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  • 101
    Publication Date: 2014-03-05
    Description: Epithelial folding mediated by apical constriction converts flat epithelial sheets into multilayered, complex tissue structures and is used throughout development in most animals. Little is known, however, about how forces produced near the apical surface of the tissue are transmitted within individual cells to generate the global changes in cell shape that characterize tissue deformation. Here we apply particle tracking velocimetry in gastrulating Drosophila embryos to measure the movement of cytoplasm and plasma membrane during ventral furrow formation. We find that cytoplasmic redistribution during the lengthening phase of ventral furrow formation can be precisely described by viscous flows that quantitatively match the predictions of hydrodynamics. Cell membranes move with the ambient cytoplasm, with little resistance to, or driving force on, the flow. Strikingly, apical constriction produces similar flow patterns in mutant embryos that fail to form cells before gastrulation ('acellular' embryos), such that the global redistribution of cytoplasm mirrors the summed redistribution occurring in individual cells of wild-type embryos. Our results indicate that during the lengthening phase of ventral furrow formation, hydrodynamic behaviour of the cytoplasm provides the predominant mechanism transmitting apically generated forces deep into the tissue and that cell individualization is dispensable.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4111109/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4111109/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉He, Bing -- Doubrovinski, Konstantin -- Polyakov, Oleg -- Wieschaus, Eric -- 5R37HD15587/HD/NICHD NIH HHS/ -- P50 GM 071508/GM/NIGMS NIH HHS/ -- R01 HD015587/HD/NICHD NIH HHS/ -- R37 HD015587/HD/NICHD NIH HHS/ -- Howard Hughes Medical Institute/ -- England -- Nature. 2014 Apr 17;508(7496):392-6. doi: 10.1038/nature13070. Epub 2014 Mar 2.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉1] Department of Molecular Biology, Princeton University, Princeton, New Jersey 08544, USA [2]. ; Department of Physics, Princeton University, Princeton, New Jersey 08544, USA. ; 1] Department of Molecular Biology, Princeton University, Princeton, New Jersey 08544, USA [2] Howard Hughes Medical Institute, Princeton University, Princeton, New Jersey 08544, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24590071" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Membrane/metabolism ; *Cell Polarity ; *Cell Shape ; Cytoplasm/metabolism ; Drosophila melanogaster/*cytology/*embryology ; Female ; Gastrulation ; Hydrodynamics ; Male ; Mesoderm/cytology/metabolism ; *Morphogenesis ; Movement
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  • 102
    Publication Date: 2014-08-15
    Description: The connection between an altered gut microbiota and metabolic disorders such as obesity, diabetes, and cardiovascular disease is well established. Defects in preserving the integrity of the mucosal barriers can result in systemic endotoxaemia that contributes to chronic low-grade inflammation, which further promotes the development of metabolic syndrome. Interleukin (IL)-22 exerts essential roles in eliciting antimicrobial immunity and maintaining mucosal barrier integrity within the intestine. Here we investigate the connection between IL-22 and metabolic disorders. We find that the induction of IL-22 from innate lymphoid cells and CD4(+) T cells is impaired in obese mice under various immune challenges, especially in the colon during infection with Citrobacter rodentium. While innate lymphoid cell populations are largely intact in obese mice, the upregulation of IL-23, a cytokine upstream of IL-22, is compromised during the infection. Consequently, these mice are susceptible to C. rodentium infection, and both exogenous IL-22 and IL-23 are able to restore the mucosal host defence. Importantly, we further unveil unexpected functions of IL-22 in regulating metabolism. Mice deficient in IL-22 receptor and fed with high-fat diet are prone to developing metabolic disorders. Strikingly, administration of exogenous IL-22 in genetically obese leptin-receptor-deficient (db/db) mice and mice fed with high-fat diet reverses many of the metabolic symptoms, including hyperglycaemia and insulin resistance. IL-22 shows diverse metabolic benefits, as it improves insulin sensitivity, preserves gut mucosal barrier and endocrine functions, decreases endotoxaemia and chronic inflammation, and regulates lipid metabolism in liver and adipose tissues. In summary, we identify the IL-22 pathway as a novel target for therapeutic intervention in metabolic diseases.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wang, Xiaoting -- Ota, Naruhisa -- Manzanillo, Paolo -- Kates, Lance -- Zavala-Solorio, Jose -- Eidenschenk, Celine -- Zhang, Juan -- Lesch, Justin -- Lee, Wyne P -- Ross, Jed -- Diehl, Lauri -- van Bruggen, Nicholas -- Kolumam, Ganesh -- Ouyang, Wenjun -- England -- Nature. 2014 Oct 9;514(7521):237-41. doi: 10.1038/nature13564. Epub 2014 Aug 6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉1] Department of Immunology, Genentech, South San Francisco, California 94080, USA [2]. ; Department of Immunology, Genentech, South San Francisco, California 94080, USA. ; Department of Biomedical Imaging, Genentech, South San Francisco, California 94080, USA. ; Department of Pathology, Genentech, South San Francisco, California 94080, USA. ; 1] Department of Biomedical Imaging, Genentech, South San Francisco, California 94080, USA [2].〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25119041" target="_blank"〉PubMed〈/a〉
    Keywords: Adipose Tissue, White/drug effects/metabolism ; Animals ; CD4-Positive T-Lymphocytes/immunology/secretion ; Chronic Disease ; Citrobacter rodentium/drug effects/immunology/physiology ; Colon/drug effects/immunology/microbiology ; Diabetes Mellitus/*immunology/*metabolism/pathology ; Diet, High-Fat ; Female ; Hyperglycemia/diet therapy/drug therapy/metabolism ; *Immunity, Mucosal/drug effects ; Inflammation/drug therapy/metabolism/pathology ; Insulin/metabolism ; Insulin Resistance ; Interleukin-23/immunology/metabolism/pharmacology ; Interleukins/*immunology/*metabolism/pharmacology/therapeutic use ; Lipid Metabolism/drug effects ; Liver/drug effects/metabolism ; Male ; Metabolic Diseases/diet therapy/drug therapy/*metabolism ; Mice ; Mice, Inbred C57BL ; Mice, Obese ; Obesity/metabolism ; Receptors, Interleukin/deficiency/metabolism ; Receptors, Leptin/deficiency/metabolism
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  • 103
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    Nature Publishing Group (NPG)
    Publication Date: 2014-06-26
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Gupta, Sujata -- England -- Nature. 2014 Jun 26;510(7506):S10-1. doi: 10.1038/510S10a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24964021" target="_blank"〉PubMed〈/a〉
    Keywords: Activities of Daily Living/psychology ; Antidepressive Agents/therapeutic use ; Depressive Disorder, Major/diagnosis/drug therapy/*etiology/psychology ; Female ; Humans ; Mental Health ; Middle Aged ; Stroke/drug therapy/*psychology/rehabilitation
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  • 104
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    Nature Publishing Group (NPG)
    Publication Date: 2014-02-15
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉England -- Nature. 2014 Feb 13;506(7487):132.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24527498" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Endangered Species/*statistics & numerical data ; Female ; *Islands ; Male ; Wolves/*physiology
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  • 105
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    Nature Publishing Group (NPG)
    Publication Date: 2014-03-29
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Eberl, Gerard -- England -- Nature. 2014 Apr 3;508(7494):47-8. doi: 10.1038/nature13216. Epub 2014 Mar 19.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Lymphoid Tissue Development Unit, Institut Pasteur, 75724 Paris, France.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24670655" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Female ; Fetus/*immunology ; Immunity, Innate/*immunology ; Pregnancy ; Prenatal Exposure Delayed Effects/*immunology ; Tretinoin/*immunology/*pharmacology
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  • 106
    Publication Date: 2014-08-01
    Description: In mammals, cytosine methylation is predominantly restricted to CpG dinucleotides and stably distributed across the genome, with local, cell-type-specific regulation directed by DNA binding factors. This comparatively static landscape is in marked contrast with the events of fertilization, during which the paternal genome is globally reprogrammed. Paternal genome demethylation includes the majority of CpGs, although methylation remains detectable at several notable features. These dynamics have been extensively characterized in the mouse, with only limited observations available in other mammals, and direct measurements are required to understand the extent to which early embryonic landscapes are conserved. We present genome-scale DNA methylation maps of human preimplantation development and embryonic stem cell derivation, confirming a transient state of global hypomethylation that includes most CpGs, while sites of residual maintenance are primarily restricted to gene bodies. Although most features share similar dynamics to those in mouse, maternally contributed methylation is divergently targeted to species-specific sets of CpG island promoters that extend beyond known imprint control regions. Retrotransposon regulation is also highly diverse, and transitions from maternally to embryonically expressed elements. Together, our data confirm that paternal genome demethylation is a general attribute of early mammalian development that is characterized by distinct modes of epigenetic regulation.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4178976/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4178976/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Smith, Zachary D -- Chan, Michelle M -- Humm, Kathryn C -- Karnik, Rahul -- Mekhoubad, Shila -- Regev, Aviv -- Eggan, Kevin -- Meissner, Alexander -- 1P50HG006193-01/HG/NHGRI NIH HHS/ -- 5DP1OD003958/OD/NIH HHS/ -- P01 GM099117/GM/NIGMS NIH HHS/ -- P01GM099117/GM/NIGMS NIH HHS/ -- P50 HG006193/HG/NHGRI NIH HHS/ -- U01 ES017155/ES/NIEHS NIH HHS/ -- Howard Hughes Medical Institute/ -- England -- Nature. 2014 Jul 31;511(7511):611-5. doi: 10.1038/nature13581. Epub 2014 Jul 23.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉1] Broad Institute of MIT and Harvard, Cambridge, Massachusetts 02142, USA [2] Harvard Stem Cell Institute, Cambridge, Massachusetts 02138, USA [3] Department of Stem Cell and Regenerative Biology, Harvard University, Cambridge, Massachusetts 02138, USA [4] Department of Molecular and Cellular Biology, Harvard University, Cambridge, Massachusetts 02138, USA [5]. ; 1] Broad Institute of MIT and Harvard, Cambridge, Massachusetts 02142, USA [2] Computational and Systems Biology Program, Massachusetts Institute of Technology, Cambridge, Massachusetts 02142, USA [3]. ; 1] Department of Stem Cell and Regenerative Biology, Harvard University, Cambridge, Massachusetts 02138, USA [2] Division of Reproductive Endocrinology &Infertility, Department of Obstetrics &Gynecology, Beth Israel Deaconess Medical Center, Boston, Massachusetts 02215, USA [3] Obstetrics, Gynecology, and Reproductive Biology, Harvard Medical School, Boston, Massachusetts 02215, USA [4] Boston IVF, Waltham, Massachusetts 02451, USA [5] Howard Hughes Medical Institute, Massachusetts Institute of Technology, Cambridge, Massachusetts 02142, USA [6]. ; 1] Broad Institute of MIT and Harvard, Cambridge, Massachusetts 02142, USA [2] Harvard Stem Cell Institute, Cambridge, Massachusetts 02138, USA [3] Department of Stem Cell and Regenerative Biology, Harvard University, Cambridge, Massachusetts 02138, USA. ; 1] Department of Stem Cell and Regenerative Biology, Harvard University, Cambridge, Massachusetts 02138, USA [2] Department of Molecular and Cellular Biology, Harvard University, Cambridge, Massachusetts 02138, USA. ; 1] Broad Institute of MIT and Harvard, Cambridge, Massachusetts 02142, USA [2] Howard Hughes Medical Institute, Massachusetts Institute of Technology, Cambridge, Massachusetts 02142, USA [3] Massachusetts Institute of Technology, Cambridge, Massachusetts 02142, USA. ; 1] Broad Institute of MIT and Harvard, Cambridge, Massachusetts 02142, USA [2] Harvard Stem Cell Institute, Cambridge, Massachusetts 02138, USA [3] Department of Stem Cell and Regenerative Biology, Harvard University, Cambridge, Massachusetts 02138, USA [4] Department of Molecular and Cellular Biology, Harvard University, Cambridge, Massachusetts 02138, USA [5] Howard Hughes Medical Institute, Harvard University, Cambridge, Massachusetts 02138, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25079558" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Blastocyst/*metabolism ; Cell Line ; CpG Islands/physiology ; DNA/metabolism ; *DNA Methylation ; Embryonic Stem Cells ; Female ; Gene Expression Regulation, Developmental ; Humans ; Male ; Mice ; Mice, Inbred C57BL
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  • 107
    Publication Date: 2014-10-03
    Description: Bone-marrow transplantation is an effective cell therapy but requires myeloablation, which increases infection risk and mortality. Recent lineage-tracing studies documenting that resident macrophage populations self-maintain independently of haematological progenitors prompted us to consider organ-targeted, cell-specific therapy. Here, using granulocyte-macrophage colony-stimulating factor (GM-CSF) receptor-beta-deficient (Csf2rb(-/-)) mice that develop a myeloid cell disorder identical to hereditary pulmonary alveolar proteinosis (hPAP) in children with CSF2RA or CSF2RB mutations, we show that pulmonary macrophage transplantation (PMT) of either wild-type or Csf2rb-gene-corrected macrophages without myeloablation was safe and well-tolerated and that one administration corrected the lung disease, secondary systemic manifestations and normalized disease-related biomarkers, and prevented disease-specific mortality. PMT-derived alveolar macrophages persisted for at least one year as did therapeutic effects. Our findings identify mechanisms regulating alveolar macrophage population size in health and disease, indicate that GM-CSF is required for phenotypic determination of alveolar macrophages, and support translation of PMT as the first specific therapy for children with hPAP.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4236859/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4236859/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Suzuki, Takuji -- Arumugam, Paritha -- Sakagami, Takuro -- Lachmann, Nico -- Chalk, Claudia -- Sallese, Anthony -- Abe, Shuichi -- Trapnell, Cole -- Carey, Brenna -- Moritz, Thomas -- Malik, Punam -- Lutzko, Carolyn -- Wood, Robert E -- Trapnell, Bruce C -- 8UL1TR000077-05/TR/NCATS NIH HHS/ -- AR-47363/AR/NIAMS NIH HHS/ -- DK78392/DK/NIDDK NIH HHS/ -- DK90971/DK/NIDDK NIH HHS/ -- P30 AR047363/AR/NIAMS NIH HHS/ -- R01 HL069549/HL/NHLBI NIH HHS/ -- R01 HL085453/HL/NHLBI NIH HHS/ -- R01 HL118342/HL/NHLBI NIH HHS/ -- R01HL085453/HL/NHLBI NIH HHS/ -- R01HL118342/HL/NHLBI NIH HHS/ -- R21 HL106134/HL/NHLBI NIH HHS/ -- U54 HL127672/HL/NHLBI NIH HHS/ -- England -- Nature. 2014 Oct 23;514(7523):450-4. doi: 10.1038/nature13807. Epub 2014 Oct 1.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Division of Pulmonary Biology, Perinatal Institute, Cincinnati Children's Hospital Medical Center, 3333 Burnet Avenue, Cincinnati, Ohio 45229, USA. ; Division of Experimental Hematology, Cincinnati Children's Hospital Medical Center, 3333 Burnet Avenue, Cincinnati, Ohio 45229, USA. ; RG Reprograming and Gene Therapy, Institute of Experimental Hematology, Hannover Medical School, Carl Neuberg-Str. 1, 30625 Hannover, Germany. ; 1] Department of Stem Cell and Regenerative Biology, Harvard University, Cambridge, Massachusetts 02138, USA [2] Broad Institute of Massachusetts Institute of Technology and Harvard University, Cambridge, Massachusetts 02138, USA. ; Division of Pulmonary Medicine, Cincinnati Children's Hospital Medical Center, 3333 Burnet Avenue, Cincinnati, Ohio 45229, USA. ; 1] Division of Pulmonary Biology, Perinatal Institute, Cincinnati Children's Hospital Medical Center, 3333 Burnet Avenue, Cincinnati, Ohio 45229, USA [2] Division of Pulmonary Medicine, Cincinnati Children's Hospital Medical Center, 3333 Burnet Avenue, Cincinnati, Ohio 45229, USA [3] Division of Pulmonary, Critical Care, and Sleep Medicine, University of Cincinnati Medical Center, 3333 Burnet Avenue, Cincinnati, Ohio 45229, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25274301" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Separation ; *Cell Transplantation ; Cytokine Receptor Common beta Subunit/deficiency/*genetics ; Female ; *Genetic Therapy ; Lung/*cytology/metabolism/pathology ; Macrophages, Alveolar/*metabolism/*transplantation ; Male ; Mice ; Oligonucleotide Array Sequence Analysis ; Phenotype ; Pulmonary Alveolar Proteinosis/genetics/pathology/*therapy ; Time Factors
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  • 108
    Publication Date: 2014-08-15
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Richardson, Sarah S -- Daniels, Cynthia R -- Gillman, Matthew W -- Golden, Janet -- Kukla, Rebecca -- Kuzawa, Christopher -- Rich-Edwards, Janet -- England -- Nature. 2014 Aug 14;512(7513):131-2. doi: 10.1038/512131a.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Harvard University in Cambridge, Massachusetts, USA. ; Rutgers University in New Brunswick, New Jersey, USA. ; Harvard Medical School in Boston, Massachusetts, USA. ; Rutgers University in Camden, New Jersey, USA. ; Georgetown University in Washington DC, USA. ; Northwestern University in Evanston, Illinois, USA. ; Connors Center for Women's Health and Gender Biology at Harvard Medical School in Boston, Massachusetts, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25119222" target="_blank"〉PubMed〈/a〉
    Keywords: Female ; Humans ; Male ; *Maternal Exposure/legislation & jurisprudence/prevention & control ; Pregnancy ; *Prenatal Exposure Delayed Effects ; Publications/standards ; Social Control Policies ; *Social Environment
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  • 109
    Publication Date: 2014-01-24
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Leeman, Dena S -- Brunet, Anne -- P01 AG036695/AG/NIA NIH HHS/ -- England -- Nature. 2014 Jan 23;505(7484):488-90. doi: 10.1038/505488a.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Genetics, the Cancer Biology Program, and the Glenn Laboratories for the Biology of Aging, Stanford University, Stanford, California 94305, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24451537" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Estrogens/*metabolism ; Female ; Hematopoietic Stem Cells/*cytology/*metabolism ; Male ; Pregnancy
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  • 110
    Publication Date: 2014-03-29
    Description: Increases in brain blood flow, evoked by neuronal activity, power neural computation and form the basis of BOLD (blood-oxygen-level-dependent) functional imaging. Whether blood flow is controlled solely by arteriole smooth muscle, or also by capillary pericytes, is controversial. We demonstrate that neuronal activity and the neurotransmitter glutamate evoke the release of messengers that dilate capillaries by actively relaxing pericytes. Dilation is mediated by prostaglandin E2, but requires nitric oxide release to suppress vasoconstricting 20-HETE synthesis. In vivo, when sensory input increases blood flow, capillaries dilate before arterioles and are estimated to produce 84% of the blood flow increase. In pathology, ischaemia evokes capillary constriction by pericytes. We show that this is followed by pericyte death in rigor, which may irreversibly constrict capillaries and damage the blood-brain barrier. Thus, pericytes are major regulators of cerebral blood flow and initiators of functional imaging signals. Prevention of pericyte constriction and death may reduce the long-lasting blood flow decrease that damages neurons after stroke.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3976267/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3976267/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hall, Catherine N -- Reynell, Clare -- Gesslein, Bodil -- Hamilton, Nicola B -- Mishra, Anusha -- Sutherland, Brad A -- O'Farrell, Fergus M -- Buchan, Alastair M -- Lauritzen, Martin -- Attwell, David -- 075232/Wellcome Trust/United Kingdom -- G0500495/Medical Research Council/United Kingdom -- Medical Research Council/United Kingdom -- Wellcome Trust/United Kingdom -- England -- Nature. 2014 Apr 3;508(7494):55-60. doi: 10.1038/nature13165. Epub 2014 Mar 26.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉1] Department of Neuroscience, Physiology and Pharmacology, University College London, Gower Street, London, WC1E 6BT, UK [2]. ; 1] Department of Neuroscience and Pharmacology and Center for Healthy Aging, University of Copenhagen, DK-2200 Copenhagen N, Denmark [2]. ; Acute Stroke Programme, Radcliffe Department of Medicine, University of Oxford, Oxford OX3 9DU, UK. ; Department of Neuroscience, Physiology and Pharmacology, University College London, Gower Street, London, WC1E 6BT, UK. ; 1] Department of Neuroscience and Pharmacology and Center for Healthy Aging, University of Copenhagen, DK-2200 Copenhagen N, Denmark [2] Department of Clinical Neurophysiology, Glostrup University Hospital, DK-2600 Glostrup, Denmark.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24670647" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Arterioles/physiology ; Blood-Brain Barrier/pathology/physiopathology ; Brain Ischemia/pathology ; Capillaries/*cytology/drug effects ; Cell Death ; Cerebellum/blood supply ; Cerebral Cortex/blood supply/cytology ; Cerebrovascular Circulation/drug effects/*physiology ; Dinoprostone/metabolism ; Excitatory Amino Acid Antagonists/pharmacology ; Female ; Functional Neuroimaging ; Glutamic Acid/pharmacology ; Hydroxyeicosatetraenoic Acids/biosynthesis ; In Vitro Techniques ; Male ; Mice ; Mice, Inbred C57BL ; Nitric Oxide/metabolism ; Pericytes/cytology/drug effects/pathology/*physiology ; Rats ; Rats, Sprague-Dawley ; Rats, Wistar ; Receptors, Glutamate/metabolism ; Signal Transduction/drug effects ; Stroke/pathology ; Vasoconstriction ; Vasodilation/drug effects
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  • 111
    Publication Date: 2014-01-02
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hall, Stephen S -- England -- Nature. 2014 Jan 2;505(7481):14-7. doi: 10.1038/505014a.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉New York University.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24380939" target="_blank"〉PubMed〈/a〉
    Keywords: *Aggression ; Animals ; Canada ; *Epigenomics ; Female ; Humans ; Infant ; Male ; Pregnancy ; Prenatal Exposure Delayed Effects/*genetics
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  • 112
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    Nature Publishing Group (NPG)
    Publication Date: 2014-05-23
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Callaway, Ewen -- England -- Nature. 2014 May 22;509(7501):414-7. doi: 10.1038/509414a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24848045" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Animals ; Child, Preschool ; Clinical Trials as Topic ; Cytoplasm/metabolism ; Female ; Great Britain ; Humans ; Infant ; Leigh Disease/genetics/*pathology/*prevention & control ; Macaca mulatta ; Male ; *Mitochondria/genetics/pathology ; *Nuclear Transfer Techniques ; Ovum/cytology/metabolism/pathology ; Reproductive Medicine/*methods ; United States ; United States Food and Drug Administration
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  • 113
    Publication Date: 2014-05-16
    Description: Docosahexaenoic acid (DHA) is an omega-3 fatty acid that is essential for normal brain growth and cognitive function. Consistent with its importance in the brain, DHA is highly enriched in brain phospholipids. Despite being an abundant fatty acid in brain phospholipids, DHA cannot be de novo synthesized in brain and must be imported across the blood-brain barrier, but mechanisms for DHA uptake in brain have remained enigmatic. Here we identify a member of the major facilitator superfamily--Mfsd2a (previously an orphan transporter)--as the major transporter for DHA uptake into brain. Mfsd2a is found to be expressed exclusively in endothelium of the blood-brain barrier of micro-vessels. Lipidomic analysis indicates that Mfsd2a-deficient (Mfsd2a-knockout) mice show markedly reduced levels of DHA in brain accompanied by neuronal cell loss in hippocampus and cerebellum, as well as cognitive deficits and severe anxiety, and microcephaly. Unexpectedly, cell-based studies indicate that Mfsd2a transports DHA in the form of lysophosphatidylcholine (LPC), but not unesterified fatty acid, in a sodium-dependent manner. Notably, Mfsd2a transports common plasma LPCs carrying long-chain fatty acids such LPC oleate and LPC palmitate, but not LPCs with less than a 14-carbon acyl chain. Moreover, we determine that the phosphor-zwitterionic headgroup of LPC is critical for transport. Importantly, Mfsd2a-knockout mice have markedly reduced uptake of labelled LPC DHA, and other LPCs, from plasma into brain, demonstrating that Mfsd2a is required for brain uptake of DHA. Our findings reveal an unexpected essential physiological role of plasma-derived LPCs in brain growth and function.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Nguyen, Long N -- Ma, Dongliang -- Shui, Guanghou -- Wong, Peiyan -- Cazenave-Gassiot, Amaury -- Zhang, Xiaodong -- Wenk, Markus R -- Goh, Eyleen L K -- Silver, David L -- England -- Nature. 2014 May 22;509(7501):503-6. doi: 10.1038/nature13241. Epub 2014 May 14.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Signature Research Program in Cardiovascular and Metabolic Disorders, Duke-NUS Graduate Medical School Singapore, 8 College Road, 169857 Singapore. ; Signature Research Program in Neuroscience and Behavioral Disorders, Duke-NUS Graduate Medical School Singapore, 8 College Road, 169857 Singapore. ; Department of Biochemistry, National University of Singapore, 8 Medical Drive, Block MD7, 117597 Singapore.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24828044" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Anxiety/physiopathology ; Biological Transport ; Blood-Brain Barrier/metabolism ; Brain/*metabolism/pathology/physiopathology ; Cognition Disorders/pathology/physiopathology ; Docosahexaenoic Acids/deficiency/*metabolism ; Endothelium, Vascular/metabolism ; Female ; Lysophosphatidylcholines/chemistry/metabolism ; Male ; Membrane Transport Proteins/deficiency/genetics/*metabolism ; Mice ; Mice, Knockout ; Microcephaly/metabolism/pathology ; Microvessels/metabolism ; Neurons/metabolism/pathology ; Organ Size ; Sodium/metabolism
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  • 114
    Publication Date: 2014-01-07
    Description: Recombinant adeno-associated viral (rAAV) vectors have shown early promise in clinical trials. The therapeutic transgene cassette can be packaged in different AAV capsid pseudotypes, each having a unique transduction profile. At present, rAAV capsid serotype selection for a specific clinical trial is based on effectiveness in animal models. However, preclinical animal studies are not always predictive of human outcome. Here, in an attempt to further our understanding of these discrepancies, we used a chimaeric human-murine liver model to compare directly the relative efficiency of rAAV transduction in human versus mouse hepatocytes in vivo. As predicted from preclinical and clinical studies, rAAV2 vectors functionally transduced mouse and human hepatocytes at equivalent but relatively low levels. However, rAAV8 vectors, which are very effective in many animal models, transduced human hepatocytes rather poorly-approximately 20 times less efficiently than mouse hepatocytes. In light of the limitations of the rAAV vectors currently used in clinical studies, we used the same murine chimaeric liver model to perform serial selection using a human-specific replication-competent viral library composed of DNA-shuffled AAV capsids. One chimaeric capsid composed of five different parental AAV capsids was found to transduce human primary hepatocytes at high efficiency in vitro and in vivo, and provided species-selected transduction in primary liver, cultured cells and a hepatocellular carcinoma xenograft model. This vector is an ideal clinical candidate and a reagent for gene modification of human xenotransplants in mouse models of human diseases. More importantly, our results suggest that humanized murine models may represent a more precise approach for both selecting and evaluating clinically relevant rAAV serotypes for gene therapeutic applications.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3939040/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3939040/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lisowski, Leszek -- Dane, Allison P -- Chu, Kirk -- Zhang, Yue -- Cunningham, Sharon C -- Wilson, Elizabeth M -- Nygaard, Sean -- Grompe, Markus -- Alexander, Ian E -- Kay, Mark A -- DK048252/DK/NIDDK NIH HHS/ -- HL064274/HL/NHLBI NIH HHS/ -- HL092096/HL/NHLBI NIH HHS/ -- R01 DK048252/DK/NIDDK NIH HHS/ -- R01 HL064274/HL/NHLBI NIH HHS/ -- R01 HL092096/HL/NHLBI NIH HHS/ -- England -- Nature. 2014 Feb 20;506(7488):382-6. doi: 10.1038/nature12875. Epub 2013 Dec 25.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉1] Stanford University, School of Medicine, Departments of Pediatrics and Genetics, 269 Campus Drive, Stanford, California 94305, USA [2] Gene Transfer, Targeting and Therapeutics Core, The Salk Institute for Biological Studies, 10010 N. Torrey Pines Rd, San Diego, California 92037, USA (L.L.); Department of Haematology, University College London Cancer Institute, London WC1E 6BT, UK (A.P.D.). ; 1] Gene Therapy Research Unit, The Children's Hospital at Westmead and Children's Medical Research Institute, Locked Bag 4001, Westmead, 2145 New South Wales, Australia [2] Gene Transfer, Targeting and Therapeutics Core, The Salk Institute for Biological Studies, 10010 N. Torrey Pines Rd, San Diego, California 92037, USA (L.L.); Department of Haematology, University College London Cancer Institute, London WC1E 6BT, UK (A.P.D.). ; Stanford University, School of Medicine, Departments of Pediatrics and Genetics, 269 Campus Drive, Stanford, California 94305, USA. ; Gene Therapy Research Unit, The Children's Hospital at Westmead and Children's Medical Research Institute, Locked Bag 4001, Westmead, 2145 New South Wales, Australia. ; Yecuris Corporation, Portland, Oregon 97062, USA. ; Oregon Stem Cell Center, Oregon Health and Science University, Portland, Oregon 97239, USA. ; 1] Gene Therapy Research Unit, The Children's Hospital at Westmead and Children's Medical Research Institute, Locked Bag 4001, Westmead, 2145 New South Wales, Australia [2] Discipline of Paediatrics and Child Health, The University of Sydney, 2145 New South Wales, Australia.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24390344" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Capsid/metabolism ; Capsid Proteins/genetics/metabolism ; Carcinoma, Hepatocellular/genetics/pathology ; Cell Line, Tumor ; Cells, Cultured ; Chimera/genetics/metabolism ; Clinical Trials as Topic ; Dependovirus/*genetics/isolation & purification ; Disease Models, Animal ; Female ; Genetic Therapy/*methods ; Genetic Vectors/*genetics ; Hepatocytes/cytology/metabolism/pathology/transplantation ; Heterografts/*metabolism ; Humans ; Liver/cytology/*metabolism/pathology ; Male ; Mice ; Species Specificity ; Transduction, Genetic/*methods ; Transgenes/*genetics
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  • 115
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    Nature Publishing Group (NPG)
    Publication Date: 2014-06-20
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Fields, R Douglas -- England -- Nature. 2014 Jun 19;510(7505):340. doi: 10.1038/510340a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24943947" target="_blank"〉PubMed〈/a〉
    Keywords: *Animal Experimentation ; Animals ; Biomedical Research/*methods ; Female ; Humans ; Male ; *National Institutes of Health (U.S.) ; *Research Design ; *Sex Characteristics ; *Sex Ratio
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  • 116
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    Nature Publishing Group (NPG)
    Publication Date: 2014-10-31
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Check Hayden, Erika -- England -- Nature. 2014 Oct 30;514(7524):546. doi: 10.1038/514546a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25355339" target="_blank"〉PubMed〈/a〉
    Keywords: Aging/*drug effects ; Animals ; Clinical Trials as Topic/*veterinary ; Dogs/*physiology ; Female ; Humans ; Longevity/*drug effects ; Male ; Mice ; Models, Animal ; Pets/*physiology ; Pilot Projects ; Sirolimus/administration & dosage/adverse effects/*pharmacology
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  • 117
    Publication Date: 2014-09-26
    Description: 〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4476531/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4476531/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Fieni, Francesca -- Johnson, Derrick E -- Hudmon, Andy -- Kirichok, Yuriy -- R01 NS078171/NS/NINDS NIH HHS/ -- England -- Nature. 2014 Sep 25;513(7519):E1-2. doi: 10.1038/nature13626.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Physiology, University of California San Francisco, San Francisco, California 94158, USA. ; Department of Biochemistry and Molecular Biology, Stark Neuroscience Research Institute, Indiana University School of Medicine, Indianapolis, Indiana 46202, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25254480" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Calcium/*metabolism ; Calcium-Calmodulin-Dependent Protein Kinase Type 2/*metabolism ; Female ; Mitochondria, Heart/*metabolism/*pathology ; Myocardium/*enzymology/*pathology ; *Stress, Physiological
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  • 118
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    Nature Publishing Group (NPG)
    Publication Date: 2014-11-20
    Description: 〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4429762/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4429762/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Muoio, Deborah M -- Newgard, Christopher B -- P01 DK058398/DK/NIDDK NIH HHS/ -- R01 DK089312/DK/NIDDK NIH HHS/ -- England -- Nature. 2014 Dec 4;516(7529):49-50. doi: 10.1038/nature14070. Epub 2014 Nov 19.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Sarah W. Stedman Nutrition and Metabolism Center and Duke Molecular Physiology Institute, and the Departments of Pharmacology and Cancer Biology and Medicine, Duke University Medical Center, Durham, North Carolina 27701, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25409152" target="_blank"〉PubMed〈/a〉
    Keywords: Adipose Tissue/*metabolism ; Animals ; Diabetes Mellitus, Type 2/*metabolism ; Esters/*metabolism ; Fatty Acids/*metabolism ; Female ; Humans ; Male
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  • 119
    Publication Date: 2014-08-28
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Takeuchi, Tomonori -- Morris, Richard G M -- England -- Nature. 2014 Sep 18;513(7518):323-4. doi: 10.1038/nature13745. Epub 2014 Aug 27.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Centre for Cognitive and Neural Systems, University of Edinburgh, Edinburgh EH8 9JZ, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25162529" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Female ; Hippocampus/*physiology ; Male ; Memory/*physiology
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  • 120
    Publication Date: 2014-10-25
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Callaway, Ewen -- Sutikna, Thomas -- Roberts, Richard -- Saptomo, Wahyu -- Brown, Peter -- Gee, Henry -- Dayton, Leigh -- Jungers, Bill -- Henneberg, Maciej -- Falk, Dean -- Martin, Robert -- Aiello, Leslie -- England -- Nature. 2014 Oct 23;514(7523):422-6. doi: 10.1038/514422a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25341771" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biological Evolution ; Caves ; Expeditions ; Female ; *Fossils ; Hominidae/*anatomy & histology/*classification ; Humans ; Indonesia ; Islands ; Microcephaly ; Skeleton ; Skull/anatomy & histology/pathology ; Species Specificity
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  • 121
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    Nature Publishing Group (NPG)
    Publication Date: 2014-09-12
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Landecker, Hannah -- England -- Nature. 2014 Sep 11;513(7517):172. doi: 10.1038/513172b.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉University of California, Los Angeles, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25209787" target="_blank"〉PubMed〈/a〉
    Keywords: Female ; Humans ; Male ; *Maternal Exposure ; Pregnancy ; *Prenatal Exposure Delayed Effects ; *Social Environment
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  • 122
    Publication Date: 2014-10-03
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Thomassen, Mary Jane -- Kavuru, Mani S -- England -- Nature. 2014 Oct 23;514(7523):438-40. doi: 10.1038/nature13758. Epub 2014 Oct 1.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Division of Pulmonary, Critical Care and Sleep Medicine, East Carolina University, Greenville, North Carolina 27834, USA. ; Division of Pulmonary and Critical Care Medicine, Thomas Jefferson University and Hospital, Philadelphia, Pennsylvania 19107, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25274303" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Cell Transplantation ; Cytokine Receptor Common beta Subunit/*genetics ; Female ; *Genetic Therapy ; Lung/*cytology ; Macrophages, Alveolar/*metabolism/*transplantation ; Male ; Pulmonary Alveolar Proteinosis/*therapy
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  • 123
    Publication Date: 2014-02-21
    Description: Crohn's disease is a debilitating inflammatory bowel disease (IBD) that can involve the entire digestive tract. A single-nucleotide polymorphism (SNP) encoding a missense variant in the autophagy gene ATG16L1 (rs2241880, Thr300Ala) is strongly associated with the incidence of Crohn's disease. Numerous studies have demonstrated the effect of ATG16L1 deletion or deficiency; however, the molecular consequences of the Thr300Ala (T300A) variant remains unknown. Here we show that amino acids 296-299 constitute a caspase cleavage motif in ATG16L1 and that the T300A variant (T316A in mice) significantly increases ATG16L1 sensitization to caspase-3-mediated processing. We observed that death-receptor activation or starvation-induced metabolic stress in human and murine macrophages increased degradation of the T300A or T316A variants of ATG16L1, respectively, resulting in diminished autophagy. Knock-in mice harbouring the T316A variant showed defective clearance of the ileal pathogen Yersinia enterocolitica and an elevated inflammatory cytokine response. In turn, deletion of the caspase-3-encoding gene, Casp3, or elimination of the caspase cleavage site by site-directed mutagenesis rescued starvation-induced autophagy and pathogen clearance, respectively. These findings demonstrate that caspase 3 activation in the presence of a common risk allele leads to accelerated degradation of ATG16L1, placing cellular stress, apoptotic stimuli and impaired autophagy in a unified pathway that predisposes to Crohn's disease.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Murthy, Aditya -- Li, Yun -- Peng, Ivan -- Reichelt, Mike -- Katakam, Anand Kumar -- Noubade, Rajkumar -- Roose-Girma, Merone -- DeVoss, Jason -- Diehl, Lauri -- Graham, Robert R -- van Lookeren Campagne, Menno -- England -- Nature. 2014 Feb 27;506(7489):456-62. doi: 10.1038/nature13044. Epub 2014 Feb 19.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Immunology, Genentech, Inc., 1 DNA Way, South San Francisco, California 94080, USA. ; Department of Pathology, Genentech, Inc., 1 DNA Way, South San Francisco, California 94080, USA. ; Department of Molecular Biology, Genentech, Inc., 1 DNA Way, South San Francisco, California 94080, USA. ; ITGR Human Genetics, Genentech, Inc., 1 DNA Way, South San Francisco, California 94080, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24553140" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Motifs ; Animals ; Autophagy/genetics ; Carrier Proteins/chemistry/*genetics/*metabolism ; Caspase 3/deficiency/genetics/*metabolism ; Cell Line ; Cells, Cultured ; Crohn Disease/*genetics/pathology ; Cytokines/immunology ; Enzyme Activation ; Female ; Food Deprivation ; Humans ; Macrophages/immunology/metabolism ; Male ; Mice ; Mice, Inbred C57BL ; Mutagenesis, Site-Directed ; Polymorphism, Single Nucleotide/*genetics ; *Proteolysis ; Stress, Physiological ; Yersinia enterocolitica/immunology
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  • 124
    Publication Date: 2014-02-28
    Description: The hippocampus is critical for encoding declarative memory, our repository of knowledge of who, what, where and when. Mnemonic information is processed in the hippocampus through several parallel routes involving distinct subregions. In the classic trisynaptic pathway, information proceeds from entorhinal cortex (EC) to dentate gyrus to CA3 and then to CA1, the main hippocampal output. Genetic lesions of EC (ref. 3) and hippocampal dentate gyrus (ref. 4), CA3 (ref. 5) and CA1 (ref. 6) regions have revealed their distinct functions in learning and memory. In contrast, little is known about the role of CA2, a relatively small area interposed between CA3 and CA1 that forms the nexus of a powerful disynaptic circuit linking EC input with CA1 output. Here we report a novel transgenic mouse line that enabled us to selectively examine the synaptic connections and behavioural role of the CA2 region in adult mice. Genetically targeted inactivation of CA2 pyramidal neurons caused a pronounced loss of social memory--the ability of an animal to remember a conspecific--with no change in sociability or several other hippocampus-dependent behaviours, including spatial and contextual memory. These behavioural and anatomical results thus reveal CA2 as a critical hub of sociocognitive memory processing.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4000264/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4000264/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hitti, Frederick L -- Siegelbaum, Steven A -- F30 MH098633/MH/NIMH NIH HHS/ -- Howard Hughes Medical Institute/ -- England -- Nature. 2014 Apr 3;508(7494):88-92. doi: 10.1038/nature13028. Epub 2014 Feb 23.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Neuroscience, Kavli Institute, College of Physicians and Surgeons, Columbia University 1051 Riverside Drive, New York, New York 10032, USA. ; 1] Department of Neuroscience, Kavli Institute, College of Physicians and Surgeons, Columbia University 1051 Riverside Drive, New York, New York 10032, USA [2] Department of Pharmacology, Howard Hughes Medical Institute, College of Physicians and Surgeons, Columbia University 1051 Riverside Drive, New York, New York 10032, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24572357" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Autistic Disorder/physiopathology ; CA2 Region, Hippocampal/cytology/*physiology ; Electrophysiology ; Female ; Integrases/genetics/metabolism ; Male ; Memory/*physiology ; Mice ; Mice, Inbred C57BL ; Mice, Transgenic ; Pyramidal Cells/physiology ; Schizophrenia/physiopathology ; *Social Behavior ; Space Perception/physiology ; Synapses/metabolism
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  • 125
    Publication Date: 2014-09-19
    Description: Gain-of-function mutations in the fibroblast growth factor receptor 3 gene (FGFR3) result in skeletal dysplasias, such as thanatophoric dysplasia and achondroplasia (ACH). The lack of disease models using human cells has hampered the identification of a clinically effective treatment for these diseases. Here we show that statin treatment can rescue patient-specific induced pluripotent stem cell (iPSC) models and a mouse model of FGFR3 skeletal dysplasia. We converted fibroblasts from thanatophoric dysplasia type I (TD1) and ACH patients into iPSCs. The chondrogenic differentiation of TD1 iPSCs and ACH iPSCs resulted in the formation of degraded cartilage. We found that statins could correct the degraded cartilage in both chondrogenically differentiated TD1 and ACH iPSCs. Treatment of ACH model mice with statin led to a significant recovery of bone growth. These results suggest that statins could represent a medical treatment for infants and children with TD1 and ACH.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Yamashita, Akihiro -- Morioka, Miho -- Kishi, Hiromi -- Kimura, Takeshi -- Yahara, Yasuhito -- Okada, Minoru -- Fujita, Kaori -- Sawai, Hideaki -- Ikegawa, Shiro -- Tsumaki, Noriyuki -- England -- Nature. 2014 Sep 25;513(7519):507-11. doi: 10.1038/nature13775. Epub 2014 Sep 17.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Cell Induction and Regulation Field, Department of Cell Growth and Differentiation, Center for iPS Cell Research and Application, Kyoto University, Kyoto 606-8507, Japan. ; 1] Cell Induction and Regulation Field, Department of Cell Growth and Differentiation, Center for iPS Cell Research and Application, Kyoto University, Kyoto 606-8507, Japan [2] Department of Pediatrics, Osaka University Graduate School of Medicine, Osaka 565-0871, Japan. ; Department of Obstetrics and Gynecology, Hyogo College of Medicine, Hyogo 663-8501, Japan. ; Laboratory of Bone and Joint Diseases, Center for Integrated Medical Sciences, RIKEN, Tokyo 108-8639, Japan. ; 1] Cell Induction and Regulation Field, Department of Cell Growth and Differentiation, Center for iPS Cell Research and Application, Kyoto University, Kyoto 606-8507, Japan [2] Japan Science and Technology Agency, CREST, Tokyo 102-0075, Japan.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25231866" target="_blank"〉PubMed〈/a〉
    Keywords: Achondroplasia/*drug therapy/genetics/*pathology ; Animals ; Bone Development/drug effects ; Cartilage/cytology/drug effects/pathology ; Cell Differentiation ; Chondrocytes/cytology/pathology ; Disease Models, Animal ; Female ; Fluorobenzenes/administration & dosage/pharmacology/therapeutic use ; Hydroxymethylglutaryl-CoA Reductase Inhibitors/administration & ; dosage/pharmacology/*therapeutic use ; Induced Pluripotent Stem Cells/cytology/pathology ; Lovastatin/pharmacology/therapeutic use ; Male ; Mice ; Mice, Inbred C57BL ; Phenotype ; Pyrimidines/administration & dosage/pharmacology/therapeutic use ; Receptor, Fibroblast Growth Factor, Type 3/*deficiency/*genetics ; Rosuvastatin Calcium ; Sulfonamides/administration & dosage/pharmacology/therapeutic use ; Thanatophoric Dysplasia/*drug therapy/genetics/*pathology
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  • 126
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    Nature Publishing Group (NPG)
    Publication Date: 2014-05-16
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Rodriguez, Ivan -- England -- Nature. 2014 May 15;509(7500):294-6. doi: 10.1038/509294a.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Genetics and Evolution, University of Geneva, CH-1205 Geneva, Switzerland.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24828185" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Female ; Galanin/*metabolism ; Male ; Maternal Behavior/*physiology ; Neurons/*metabolism ; Paternal Behavior/*physiology ; Preoptic Area/*cytology
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  • 127
    Publication Date: 2014-09-16
    Description: The Ras-like GTPases RalA and RalB are important drivers of tumour growth and metastasis. Chemicals that block Ral function would be valuable as research tools and for cancer therapeutics. Here we used protein structure analysis and virtual screening to identify drug-like molecules that bind to a site on the GDP-bound form of Ral. The compounds RBC6, RBC8 and RBC10 inhibited the binding of Ral to its effector RALBP1, as well as inhibiting Ral-mediated cell spreading of murine embryonic fibroblasts and anchorage-independent growth of human cancer cell lines. The binding of the RBC8 derivative BQU57 to RalB was confirmed by isothermal titration calorimetry, surface plasmon resonance and (1)H-(15)N transverse relaxation-optimized spectroscopy (TROSY) NMR spectroscopy. RBC8 and BQU57 show selectivity for Ral relative to the GTPases Ras and RhoA and inhibit tumour xenograft growth to a similar extent to the depletion of Ral using RNA interference. Our results show the utility of structure-based discovery for the development of therapeutics for Ral-dependent cancers.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4351747/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4351747/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Yan, Chao -- Liu, Degang -- Li, Liwei -- Wempe, Michael F -- Guin, Sunny -- Khanna, May -- Meier, Jeremy -- Hoffman, Brenton -- Owens, Charles -- Wysoczynski, Christina L -- Nitz, Matthew D -- Knabe, William E -- Ahmed, Mansoor -- Brautigan, David L -- Paschal, Bryce M -- Schwartz, Martin A -- Jones, David N M -- Ross, David -- Meroueh, Samy O -- Theodorescu, Dan -- CA075115/CA/NCI NIH HHS/ -- CA091846/CA/NCI NIH HHS/ -- CA104106/CA/NCI NIH HHS/ -- GM47214/GM/NIGMS NIH HHS/ -- P01 CA104106/CA/NCI NIH HHS/ -- P30 CA044579/CA/NCI NIH HHS/ -- P30 CA046934/CA/NCI NIH HHS/ -- P50 CA091846/CA/NCI NIH HHS/ -- R01 CA075115/CA/NCI NIH HHS/ -- R01 CA143971/CA/NCI NIH HHS/ -- T32 GM007635/GM/NIGMS NIH HHS/ -- UL1 TR001082/TR/NCATS NIH HHS/ -- UL1TR001082/TR/NCATS NIH HHS/ -- England -- Nature. 2014 Nov 20;515(7527):443-7. doi: 10.1038/nature13713. Epub 2014 Sep 14.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Surgery, University of Colorado, Aurora, Colorado 80045, USA. ; Department of Biochemistry, Indiana University School of Medicine, Indianapolis, Indiana 46202, USA. ; Department of Pharmaceutical Sciences, University of Colorado, Aurora, Colorado 80045, USA. ; Cardiovascular Research Center, University of Virginia, Charlottesville, Virginia 22908, USA. ; Department of Pharmacology, University of Colorado, Aurora, Colorado 80045, USA. ; Department of Microbiology, Immunology, and Cancer Biology, University of Virginia, Charlottesville, Virginia 22908, USA. ; 1] Department of Cardiology, Yale University, New Haven, Connecticut 06511, USA [2] Department of Cell Biology, Yale University, New Haven, Connecticut 06511, USA. ; Department of Biochemistry and Molecular Genetics, University of Virginia, Charlottesville, Virginia 22908, USA. ; 1] Department of Biochemistry, Indiana University School of Medicine, Indianapolis, Indiana 46202, USA [2] Department of Chemistry and Chemical Biology, Indiana University - Purdue University, Indianapolis, Indiana 46202, USA. ; 1] Department of Surgery, University of Colorado, Aurora, Colorado 80045, USA [2] Department of Pharmacology, University of Colorado, Aurora, Colorado 80045, USA [3] University of Colorado Comprehensive Cancer Center, Aurora, Colorado 80045, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25219851" target="_blank"〉PubMed〈/a〉
    Keywords: ATP-Binding Cassette Transporters/metabolism ; Animals ; Cell Line, Tumor ; Cell Proliferation/drug effects ; Computer Simulation ; *Drug Screening Assays, Antitumor ; Female ; GTPase-Activating Proteins/metabolism ; Humans ; Mice ; Models, Molecular ; *Molecular Targeted Therapy ; Neoplasms/drug therapy/enzymology/metabolism/pathology ; Protein Binding/drug effects ; Signal Transduction/drug effects ; Small Molecule Libraries/*chemistry/*pharmacology ; Substrate Specificity ; Xenograft Model Antitumor Assays ; ral GTP-Binding Proteins/*antagonists & inhibitors/chemistry/metabolism ; ras Proteins/metabolism
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  • 128
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    Nature Publishing Group (NPG)
    Publication Date: 2014-05-16
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Moreno, Eduardo -- England -- Nature. 2014 May 22;509(7501):435-6. doi: 10.1038/nature13337. Epub 2014 May 14.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institute of Cell Biology, IZB, University of Bern, Bern CH-3012, Switzerland.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24828043" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Cell Transformation, Neoplastic ; Female ; Hematopoietic Stem Cells/*cytology ; Humans ; Male ; Precursor T-Cell Lymphoblastic Leukemia-Lymphoma/*pathology ; Thymus Gland/*cytology
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  • 129
    Publication Date: 2014-01-28
    Description: To resolve the mechanisms that switch competition to cooperation is key to understanding biological organization. This is particularly relevant for intrasexual competition, which often leads to males harming females. Recent theory proposes that kin selection may modulate female harm by relaxing competition among male relatives. Here we experimentally manipulate the relatedness of groups of male Drosophila melanogaster competing over females to demonstrate that, as expected, within-group relatedness inhibits male competition and female harm. Females exposed to groups of three brothers unrelated to the female had higher lifetime reproductive success and slower reproductive ageing compared to females exposed to groups of three males unrelated to each other. Triplets of brothers also fought less with each other, courted females less intensively and lived longer than triplets of unrelated males. However, associations among brothers may be vulnerable to invasion by minorities of unrelated males: when two brothers were matched with an unrelated male, the unrelated male sired on average twice as many offspring as either brother. These results demonstrate that relatedness can profoundly affect fitness through its modulation of intrasexual competition, as flies plastically adjust sexual behaviour in a manner consistent with kin-selection theory.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Carazo, Pau -- Tan, Cedric K W -- Allen, Felicity -- Wigby, Stuart -- Pizzari, Tommaso -- Wellcome Trust/United Kingdom -- England -- Nature. 2014 Jan 30;505(7485):672-5. doi: 10.1038/nature12949. Epub 2014 Jan 22.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉1] Edward Grey Institute, Department of Zoology, University of Oxford, Oxford OX1 3PS, UK [2]. ; Edward Grey Institute, Department of Zoology, University of Oxford, Oxford OX1 3PS, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24463521" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Competitive Behavior/physiology ; *Cooperative Behavior ; Drosophila melanogaster/genetics/*physiology ; Female ; Heredity/physiology ; Longevity/genetics/physiology ; Male ; Models, Biological ; Reproduction/physiology ; Sexual Behavior, Animal/*physiology ; *Siblings
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  • 130
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    Nature Publishing Group (NPG)
    Publication Date: 2014-04-25
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Clark, Andrew G -- England -- Nature. 2014 Apr 24;508(7497):463-5. doi: 10.1038/508463a.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Molecular Biology and Genetics, Cornell University, Ithaca, New York 14853, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24759407" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Evolution, Molecular ; Female ; Gene Dosage/*genetics ; Humans ; Male ; Mammals/*genetics ; Y Chromosome/*genetics
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  • 131
    Publication Date: 2014-04-04
    Description: Activated RAS GTPase signalling is a critical driver of oncogenic transformation and malignant disease. Cellular models of RAS-dependent cancers have been used to identify experimental small molecules, such as SCH51344, but their molecular mechanism of action remains generally unknown. Here, using a chemical proteomic approach, we identify the target of SCH51344 as the human mutT homologue MTH1 (also known as NUDT1), a nucleotide pool sanitizing enzyme. Loss-of-function of MTH1 impaired growth of KRAS tumour cells, whereas MTH1 overexpression mitigated sensitivity towards SCH51344. Searching for more drug-like inhibitors, we identified the kinase inhibitor crizotinib as a nanomolar suppressor of MTH1 activity. Surprisingly, the clinically used (R)-enantiomer of the drug was inactive, whereas the (S)-enantiomer selectively inhibited MTH1 catalytic activity. Enzymatic assays, chemical proteomic profiling, kinome-wide activity surveys and MTH1 co-crystal structures of both enantiomers provide a rationale for this remarkable stereospecificity. Disruption of nucleotide pool homeostasis via MTH1 inhibition by (S)-crizotinib induced an increase in DNA single-strand breaks, activated DNA repair in human colon carcinoma cells, and effectively suppressed tumour growth in animal models. Our results propose (S)-crizotinib as an attractive chemical entity for further pre-clinical evaluation, and small-molecule inhibitors of MTH1 in general as a promising novel class of anticancer agents.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4150021/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4150021/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Huber, Kilian V M -- Salah, Eidarus -- Radic, Branka -- Gridling, Manuela -- Elkins, Jonathan M -- Stukalov, Alexey -- Jemth, Ann-Sofie -- Gokturk, Camilla -- Sanjiv, Kumar -- Stromberg, Kia -- Pham, Therese -- Berglund, Ulrika Warpman -- Colinge, Jacques -- Bennett, Keiryn L -- Loizou, Joanna I -- Helleday, Thomas -- Knapp, Stefan -- Superti-Furga, Giulio -- 092809/Wellcome Trust/United Kingdom -- 092809/Z/10/Z/Wellcome Trust/United Kingdom -- F 4711/Austrian Science Fund FWF/Austria -- Canadian Institutes of Health Research/Canada -- England -- Nature. 2014 Apr 10;508(7495):222-7. doi: 10.1038/nature13194. Epub 2014 Apr 2.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉CeMM Research Center for Molecular Medicine of the Austrian Academy of Sciences, 1090 Vienna, Austria. ; Nuffield Department of Clinical Medicine, Structural Genomics Consortium, University of Oxford, Old Road Campus Research Building, Roosevelt Drive, Oxford OX3 7DQ, UK. ; Science for Life Laboratory, Division of Translational Medicine and Chemical Biology, Department of Medical Biochemistry and Biophysics, Karolinska Institutet, 17121 Stockholm, Sweden.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24695225" target="_blank"〉PubMed〈/a〉
    Keywords: Aminoquinolines/pharmacology ; Animals ; Antineoplastic Agents/chemistry/*pharmacology ; Colonic Neoplasms/drug therapy/genetics/pathology ; Crystallization ; DNA Breaks, Single-Stranded/drug effects ; DNA Repair ; DNA Repair Enzymes/*antagonists & inhibitors/biosynthesis/chemistry/*metabolism ; Disease Models, Animal ; Female ; Homeostasis/drug effects ; Humans ; Mice ; Mice, SCID ; Models, Molecular ; Nucleotides/metabolism ; Phosphoric Monoester Hydrolases/*antagonists & ; inhibitors/biosynthesis/chemistry/*metabolism ; Protein Conformation ; Protein Kinase Inhibitors/chemistry/*pharmacology ; Proteomics ; Proto-Oncogene Proteins/genetics ; Pyrazoles/chemistry/*pharmacology ; Pyridines/chemistry/*pharmacology ; Substrate Specificity ; Xenograft Model Antitumor Assays ; ras Proteins/genetics
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  • 132
    Publication Date: 2014-04-04
    Description: Cancer genome sequencing studies indicate that a single breast cancer typically harbours multiple genetically distinct subclones. As carcinogenesis involves a breakdown in the cell-cell cooperation that normally maintains epithelial tissue architecture, individual subclones within a malignant microenvironment are commonly depicted as self-interested competitors. Alternatively, breast cancer subclones might interact cooperatively to gain a selective growth advantage in some cases. Although interclonal cooperation has been shown to drive tumorigenesis in fruitfly models, definitive evidence for functional cooperation between epithelial tumour cell subclones in mammals is lacking. Here we use mouse models of breast cancer to show that interclonal cooperation can be essential for tumour maintenance. Aberrant expression of the secreted signalling molecule Wnt1 generates mixed-lineage mammary tumours composed of basal and luminal tumour cell subtypes, which purportedly derive from a bipotent malignant progenitor cell residing atop a tumour cell hierarchy. Using somatic Hras mutations as clonal markers, we show that some Wnt tumours indeed conform to a hierarchical configuration, but that others unexpectedly harbour genetically distinct basal Hras mutant and luminal Hras wild-type subclones. Both subclones are required for efficient tumour propagation, which strictly depends on luminally produced Wnt1. When biclonal tumours were challenged with Wnt withdrawal to simulate targeted therapy, analysis of tumour regression and relapse revealed that basal subclones recruit heterologous Wnt-producing cells to restore tumour growth. Alternatively, in the absence of a substitute Wnt source, the original subclones often evolve to rescue Wnt pathway activation and drive relapse, either by restoring cooperation or by switching to a defector strategy. Uncovering similar modes of interclonal cooperation in human cancers may inform efforts aimed at eradicating tumour cell communities.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4050741/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4050741/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cleary, Allison S -- Leonard, Travis L -- Gestl, Shelley A -- Gunther, Edward J -- R01 CA152222/CA/NCI NIH HHS/ -- England -- Nature. 2014 Apr 3;508(7494):113-7. doi: 10.1038/nature13187.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉1] Jake Gittlen Laboratories for Cancer Research, Pennsylvania State University College of Medicine, Hershey, Pennsylvania 17033, USA [2] Penn State Hershey Cancer Institute, Pennsylvania State University College of Medicine, Hershey, Hershey, Pennsylvania 17033, USA. ; 1] Jake Gittlen Laboratories for Cancer Research, Pennsylvania State University College of Medicine, Hershey, Pennsylvania 17033, USA [2] Penn State Hershey Cancer Institute, Pennsylvania State University College of Medicine, Hershey, Hershey, Pennsylvania 17033, USA [3] Department of Medicine (Hematology/Oncology), Pennsylvania State University College of Medicine, Hershey, Hershey, Pennsylvania 17033, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24695311" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Base Sequence ; Breast Neoplasms/genetics/*metabolism/*pathology ; Cell Lineage ; Cell Proliferation ; Clone Cells/metabolism/pathology ; Disease Models, Animal ; Female ; Mice ; Mosaicism ; Mutation ; Neoplasm Recurrence, Local/genetics/metabolism/pathology ; Neoplastic Stem Cells/metabolism/pathology ; Proto-Oncogene Proteins p21(ras)/genetics/metabolism ; Wnt Signaling Pathway ; Wnt1 Protein/deficiency/*metabolism
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  • 133
    Publication Date: 2014-06-06
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sanchez, Irma -- Dynlacht, Brian D -- England -- Nature. 2014 Jun 5;510(7503):40-2. doi: 10.1038/510040a.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉New York University School of Medicine, New York, New York 10016, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24899299" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Calmodulin-Binding Proteins/*deficiency/*genetics ; Cilia/*genetics/*physiology ; Female ; Male ; MicroRNAs/*genetics ; Morphogenesis/*genetics
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  • 134
    Publication Date: 2014-03-07
    Description: The generation of acoustic communication signals is widespread across the animal kingdom, and males of many species, including Drosophilidae, produce patterned courtship songs to increase their chance of success with a female. For some animals, song structure can vary considerably from one rendition to the next; neural noise within pattern generating circuits is widely assumed to be the primary source of such variability, and statistical models that incorporate neural noise are successful at reproducing the full variation present in natural songs. In direct contrast, here we demonstrate that much of the pattern variability in Drosophila courtship song can be explained by taking into account the dynamic sensory experience of the male. In particular, using a quantitative behavioural assay combined with computational modelling, we find that males use fast modulations in visual and self-motion signals to pattern their songs, a relationship that we show is evolutionarily conserved. Using neural circuit manipulations, we also identify the pathways involved in song patterning choices and show that females are sensitive to song features. Our data not only demonstrate that Drosophila song production is not a fixed action pattern, but establish Drosophila as a valuable new model for studies of rapid decision-making under both social and naturalistic conditions.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Coen, Philip -- Clemens, Jan -- Weinstein, Andrew J -- Pacheco, Diego A -- Deng, Yi -- Murthy, Mala -- Howard Hughes Medical Institute/ -- England -- Nature. 2014 Mar 13;507(7491):233-7. doi: 10.1038/nature13131. Epub 2014 Mar 5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉1] Princeton Neuroscience Institute, Princeton University, Princeton, New Jersey 08544, USA [2] Department of Molecular Biology, Princeton University, Princeton, New Jersey 08544, USA. ; 1] Department of Physics, Princeton University, Princeton, New Jersey 08544, USA [2] Department of Biophysics, University of Washington School of Medicine, Seattle, Washington 98195, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24598544" target="_blank"〉PubMed〈/a〉
    Keywords: *Animal Communication ; Animals ; *Courtship ; Cues ; Decision Making/physiology ; Drosophila melanogaster/anatomy & histology/*physiology ; Female ; Male ; Neural Pathways ; Sexual Behavior, Animal/physiology ; *Vibration ; Wings, Animal/*physiology
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  • 135
    Publication Date: 2014-10-03
    Description: The monarch butterfly, Danaus plexippus, is famous for its spectacular annual migration across North America, recent worldwide dispersal, and orange warning colouration. Despite decades of study and broad public interest, we know little about the genetic basis of these hallmark traits. Here we uncover the history of the monarch's evolutionary origin and global dispersal, characterize the genes and pathways associated with migratory behaviour, and identify the discrete genetic basis of warning colouration by sequencing 101 Danaus genomes from around the globe. The results rewrite our understanding of this classic system, showing that D. plexippus was ancestrally migratory and dispersed out of North America to occupy its broad distribution. We find the strongest signatures of selection associated with migration centre on flight muscle function, resulting in greater flight efficiency among migratory monarchs, and that variation in monarch warning colouration is controlled by a single myosin gene not previously implicated in insect pigmentation.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4331202/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4331202/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Zhan, Shuai -- Zhang, Wei -- Niitepold, Kristjan -- Hsu, Jeremy -- Haeger, Juan Fernandez -- Zalucki, Myron P -- Altizer, Sonia -- de Roode, Jacobus C -- Reppert, Steven M -- Kronforst, Marcus R -- GM086794-02S1/GM/NIGMS NIH HHS/ -- R01 GM086794/GM/NIGMS NIH HHS/ -- England -- Nature. 2014 Oct 16;514(7522):317-21. doi: 10.1038/nature13812. Epub 2014 Oct 1.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉1] Key Laboratory of Insect Developmental and Evolutionary Biology, Institute of Plant Physiology and Ecology, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai 200032, China [2] Department of Ecology &Evolution, University of Chicago, Chicago, Illinois 60637, USA [3] Department of Neurobiology, University of Massachusetts Medical School, Worcester, Massachusetts 01605, USA. ; Department of Ecology &Evolution, University of Chicago, Chicago, Illinois 60637, USA. ; 1] Department of Biology, Stanford University, Stanford, California 94305, USA [2] Department of Biosciences, University of Helsinki, FI-00014 Helsinki, Finland. ; Department of Biology, Stanford University, Stanford, California 94305, USA. ; Departamento de Botanica, Ecologia y Fisiologia Vegetal, Universidad de Cordoba, 14071 Cordoba, Spain. ; School of Biological Sciences, The University of Queensland, Brisbane, Queensland 4072, Australia. ; Odum School of Ecology, University of Georgia, Athens, Georgia 30602, USA. ; Department of Biology, Emory University, Atlanta, Georgia 30322, USA. ; Department of Neurobiology, University of Massachusetts Medical School, Worcester, Massachusetts 01605, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25274300" target="_blank"〉PubMed〈/a〉
    Keywords: *Animal Migration ; Animals ; Biological Evolution ; Butterflies/*genetics/*physiology ; Collagen Type IV/metabolism ; Female ; Flight, Animal ; Male ; Mice ; Muscles/physiology ; Myosin Type V/genetics/metabolism ; North America ; Phenotype ; Pigmentation/*genetics/*physiology ; Selection, Genetic ; Wings, Animal/*metabolism
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  • 136
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    Nature Publishing Group (NPG)
    Publication Date: 2014-04-18
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hughes, Virginia -- England -- Nature. 2014 Apr 17;508(7496):296-7. doi: 10.1038/508296a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24740043" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Carbohydrate Metabolism/genetics ; Depression/genetics ; Epigenesis, Genetic/genetics ; Female ; Heredity/*genetics ; Hippocampus/metabolism ; Humans ; Male ; Mice ; MicroRNAs/*analysis/blood/*genetics ; Models, Genetic ; Parent-Child Relations ; Receptors, Glucocorticoid/metabolism ; Spermatozoa/*metabolism ; Stress, Psychological/*genetics
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  • 137
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    Nature Publishing Group (NPG)
    Publication Date: 2014-02-14
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Marris, Emma -- England -- Nature. 2014 Feb 13;506(7487):140-1. doi: 10.1038/506140a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24522579" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Canada ; Endangered Species/*statistics & numerical data ; Female ; Freezing ; Inbreeding ; *Islands ; Lakes ; Male ; Population Dynamics ; Predatory Behavior ; Ruminants/physiology ; United States ; Wolves/genetics/*physiology
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  • 138
    Publication Date: 2014-03-29
    Description: Successful mammalian cloning using somatic cell nuclear transfer (SCNT) into unfertilized, metaphase II (MII)-arrested oocytes attests to the cytoplasmic presence of reprogramming factors capable of inducing totipotency in somatic cell nuclei. However, these poorly defined maternal factors presumably decline sharply after fertilization, as the cytoplasm of pronuclear-stage zygotes is reportedly inactive. Recent evidence suggests that zygotic cytoplasm, if maintained at metaphase, can also support derivation of embryonic stem (ES) cells after SCNT, albeit at low efficiency. This led to the conclusion that critical oocyte reprogramming factors present in the metaphase but not in the interphase cytoplasm are 'trapped' inside the nucleus during interphase and effectively removed during enucleation. Here we investigated the presence of reprogramming activity in the cytoplasm of interphase two-cell mouse embryos (I2C). First, the presence of candidate reprogramming factors was documented in both intact and enucleated metaphase and interphase zygotes and two-cell embryos. Consequently, enucleation did not provide a likely explanation for the inability of interphase cytoplasm to induce reprogramming. Second, when we carefully synchronized the cell cycle stage between the transplanted nucleus (ES cell, fetal fibroblast or terminally differentiated cumulus cell) and the recipient I2C cytoplasm, the reconstructed SCNT embryos developed into blastocysts and ES cells capable of contributing to traditional germline and tetraploid chimaeras. Last, direct transfer of cloned embryos, reconstructed with ES cell nuclei, into recipients resulted in live offspring. Thus, the cytoplasm of I2C supports efficient reprogramming, with cell cycle synchronization between the donor nucleus and recipient cytoplasm as the most critical parameter determining success. The ability to use interphase cytoplasm in SCNT could aid efforts to generate autologous human ES cells for regenerative applications, as donated or discarded embryos are more accessible than unfertilized MII oocytes.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4124901/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4124901/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kang, Eunju -- Wu, Guangming -- Ma, Hong -- Li, Ying -- Tippner-Hedges, Rebecca -- Tachibana, Masahito -- Sparman, Michelle -- Wolf, Don P -- Scholer, Hans R -- Mitalipov, Shoukhrat -- P51 OD011092/OD/NIH HHS/ -- P51OD011092/OD/NIH HHS/ -- R01 EY021214/EY/NEI NIH HHS/ -- R01 HD057121/HD/NICHD NIH HHS/ -- R01 HD059946/HD/NICHD NIH HHS/ -- R01 HD063276/HD/NICHD NIH HHS/ -- R01EY021214/EY/NEI NIH HHS/ -- R01HD057121/HD/NICHD NIH HHS/ -- R01HD059946/HD/NICHD NIH HHS/ -- R01HD063276/HD/NICHD NIH HHS/ -- England -- Nature. 2014 May 1;509(7498):101-4. doi: 10.1038/nature13134. Epub 2014 Mar 26.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Division of Reproductive and Developmental Sciences, Oregon National Primate Research Center, Oregon Health & Science University, Beaverton, Oregon 97006, USA. ; Max Planck Institute for Molecular Biomedicine, Munster 48149, Germany. ; 1] Division of Reproductive and Developmental Sciences, Oregon National Primate Research Center, Oregon Health & Science University, Beaverton, Oregon 97006, USA [2] South Miyagi Medical Center, Miyagi 989-1253, Japan.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24670652" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Count ; *Cellular Reprogramming ; Cloning, Organism ; Cytoplasm/*metabolism ; Embryo, Mammalian/*cytology ; Embryonic Stem Cells/*cytology ; Female ; Induced Pluripotent Stem Cells/*cytology ; *Interphase ; Male ; Metaphase ; Mice ; *Nuclear Transfer Techniques
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  • 139
    Publication Date: 2014-07-06
    Description: The large spectrum of limb morphologies reflects the wide evolutionary diversification of the basic pentadactyl pattern in tetrapods. In even-toed ungulates (artiodactyls, including cattle), limbs are adapted for running as a consequence of progressive reduction of their distal skeleton to symmetrical and elongated middle digits with hoofed phalanges. Here we analyse bovine embryos to establish that polarized gene expression is progressively lost during limb development in comparison to the mouse. Notably, the transcriptional upregulation of the Ptch1 gene, which encodes a Sonic hedgehog (SHH) receptor, is disrupted specifically in the bovine limb bud mesenchyme. This is due to evolutionary alteration of a Ptch1 cis-regulatory module, which no longer responds to graded SHH signalling during bovine handplate development. Our study provides a molecular explanation for the loss of digit asymmetry in bovine limb buds and suggests that modifications affecting the Ptch1 cis-regulatory landscape have contributed to evolutionary diversification of artiodactyl limbs.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lopez-Rios, Javier -- Duchesne, Amandine -- Speziale, Dario -- Andrey, Guillaume -- Peterson, Kevin A -- Germann, Philipp -- Unal, Erkan -- Liu, Jing -- Floriot, Sandrine -- Barbey, Sarah -- Gallard, Yves -- Muller-Gerbl, Magdalena -- Courtney, Andrew D -- Klopp, Christophe -- Rodriguez, Sabrina -- Ivanek, Robert -- Beisel, Christian -- Wicking, Carol -- Iber, Dagmar -- Robert, Benoit -- McMahon, Andrew P -- Duboule, Denis -- Zeller, Rolf -- NS 033642/NS/NINDS NIH HHS/ -- England -- Nature. 2014 Jul 3;511(7507):46-51. doi: 10.1038/nature13289. Epub 2014 Jun 18.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉1] Developmental Genetics, Department Biomedicine, University of Basel, CH-4058 Basel, Switzerland [2]. ; 1] Developmental Genetics, Department Biomedicine, University of Basel, CH-4058 Basel, Switzerland [2] Institut National de la Recherche Agronomique, Genetique Animale et Biologie Integrative, F-78350 Jouy-en-Josas, France [3]. ; Developmental Genetics, Department Biomedicine, University of Basel, CH-4058 Basel, Switzerland. ; School of Life Sciences, Federal Institute of Technology Lausanne, CH-1015 Lausanne, Switzerland. ; Department of Stem Cell Biology and Regenerative Medicine, Eli and Edythe Broad Center for Regenerative Medicine and Stem Cell Research, Keck School of Medicine, University of Southern California, Los Angeles, California 90089, USA. ; Department for Biosystems Science and Engineering, Federal Institute of Technology Zurich and Swiss Institute of Bioinformatics, CH-4058 Basel, Switzerland. ; 1] Developmental Genetics, Department Biomedicine, University of Basel, CH-4058 Basel, Switzerland [2] Department for Biosystems Science and Engineering, Federal Institute of Technology Zurich and Swiss Institute of Bioinformatics, CH-4058 Basel, Switzerland. ; Institut National de la Recherche Agronomique, Genetique Animale et Biologie Integrative, F-78350 Jouy-en-Josas, France. ; Institut National de la Recherche Agronomique, Domaine Experimental du Pin au Haras, F-61310 Exmes, France. ; Institute of Anatomy, Department Biomedicine, University of Basel, CH-4056 Basel, Switzerland. ; Institute for Molecular Bioscience, The University of Queensland, St Lucia, Queensland 4072, Australia. ; Institut National de la Recherche Agronomique, Biometrie et Intelligence Artificielle, F-31326 Castanet-Tolosan, France. ; 1] Institut National de la Recherche Agronomique, Genetique Animale et Biologie Integrative, F-78350 Jouy-en-Josas, France [2] Institut National de la Recherche Agronomique, Laboratoire d'Ingenierie des Systemes Biologiques et des Procedes, F-31077 Toulouse, France. ; 1] Developmental Genetics, Department Biomedicine, University of Basel, CH-4058 Basel, Switzerland [2] Swiss Institute of Bioinformatics, CH-4058 Basel, Switzerland. ; Institut Pasteur, Genetique Moleculaire de la Morphogenese and Centre National de la Recherche Scientifique URA-2578, F-75015 Paris, France. ; 1] School of Life Sciences, Federal Institute of Technology Lausanne, CH-1015 Lausanne, Switzerland [2] Department of Genetics and Evolution, University of Geneva, CH-1211 Geneva, Switzerland.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24990743" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biological Evolution ; Body Patterning ; Cattle ; Extremities/*anatomy & histology/*embryology ; Female ; Gene Expression Regulation, Developmental/genetics ; Hedgehog Proteins/*metabolism ; Limb Buds/anatomy & histology/embryology ; Male ; Mesoderm/metabolism ; Mice ; Mice, Transgenic ; Receptors, Cell Surface/genetics/*metabolism ; Regulatory Sequences, Nucleic Acid/genetics
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  • 140
    Publication Date: 2014-02-28
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Coffelt, Seth B -- de Visser, Karin E -- England -- Nature. 2014 Mar 6;507(7490):48-9. doi: 10.1038/nature13062. Epub 2014 Feb 26.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Division of Immunology, Netherlands Cancer Institute, 1066 CX Amsterdam, the Netherlands.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24572360" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Female ; Inflammation/*etiology ; Lung Neoplasms/*secondary ; Male ; Melanoma/*blood supply/*pathology ; Skin Neoplasms/*pathology ; Sunburn/*etiology ; *Ultraviolet Rays
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  • 141
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    Unknown
    Nature Publishing Group (NPG)
    Publication Date: 2014-12-04
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Humphries, Courtney -- England -- Nature. 2014 Dec 4;516(7529):S10-1. doi: 10.1038/516S10a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25470193" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Carcinoma, Hepatocellular/drug therapy/*epidemiology/*genetics/physiopathology ; Drug Discovery/trends ; Female ; Genetic Predisposition to Disease ; Hormones/metabolism ; Humans ; Inflammation ; Liver Neoplasms/drug therapy/*epidemiology/*genetics/physiopathology ; Male ; Mice ; Prolactin/metabolism ; Risk Factors ; Sex Factors
    Print ISSN: 0028-0836
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 142
    Publication Date: 2014-01-31
    Description: We recently discovered an unexpected phenomenon of somatic cell reprogramming into pluripotent cells by exposure to sublethal stimuli, which we call stimulus-triggered acquisition of pluripotency (STAP). This reprogramming does not require nuclear transfer or genetic manipulation. Here we report that reprogrammed STAP cells, unlike embryonic stem (ES) cells, can contribute to both embryonic and placental tissues, as seen in a blastocyst injection assay. Mouse STAP cells lose the ability to contribute to the placenta as well as trophoblast marker expression on converting into ES-like stem cells by treatment with adrenocorticotropic hormone (ACTH) and leukaemia inhibitory factor (LIF). In contrast, when cultured with Fgf4, STAP cells give rise to proliferative stem cells with enhanced trophoblastic characteristics. Notably, unlike conventional trophoblast stem cells, the Fgf4-induced stem cells from STAP cells contribute to both embryonic and placental tissues in vivo and transform into ES-like cells when cultured with LIF-containing medium. Taken together, the developmental potential of STAP cells, shown by chimaera formation and in vitro cell conversion, indicates that they represent a unique state of pluripotency.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Obokata, Haruko -- Sasai, Yoshiki -- Niwa, Hitoshi -- Kadota, Mitsutaka -- Andrabi, Munazah -- Takata, Nozomu -- Tokoro, Mikiko -- Terashita, Yukari -- Yonemura, Shigenobu -- Vacanti, Charles A -- Wakayama, Teruhiko -- England -- Nature. 2014 Jan 30;505(7485):676-80. doi: 10.1038/nature12969.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉1] Laboratory for Cellular Reprogramming, RIKEN Center for Developmental Biology, Kobe 650-0047, Japan [2] Laboratory for Genomic Reprogramming, RIKEN Center for Developmental Biology, Kobe 650-0047, Japan [3] Laboratory for Tissue Engineering and Regenerative Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts 02115, USA. ; Laboratory for Organogenesis and Neurogenesis, RIKEN Center for Developmental Biology, Kobe 650-0047, Japan. ; Laboratory for Pluripotent Stem Cell Studies, RIKEN Center for Developmental Biology, Kobe 650-0047, Japan. ; Genome Resource and Analysis Unit, RIKEN Center for Developmental Biology, Kobe 650-0047, Japan. ; Laboratory for Genomic Reprogramming, RIKEN Center for Developmental Biology, Kobe 650-0047, Japan. ; 1] Laboratory for Cellular Reprogramming, RIKEN Center for Developmental Biology, Kobe 650-0047, Japan [2] Laboratory for Genomic Reprogramming, RIKEN Center for Developmental Biology, Kobe 650-0047, Japan. ; Electron Microscopy Laboratory, RIKEN Center for Developmental Biology, Kobe 650-0047, Japan. ; Laboratory for Tissue Engineering and Regenerative Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts 02115, USA. ; 1] Laboratory for Genomic Reprogramming, RIKEN Center for Developmental Biology, Kobe 650-0047, Japan [2] Faculty of Life and Environmental Sciences, University of Yamanashi, Yamanashi 400-8510, Japan.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24476891" target="_blank"〉PubMed〈/a〉
    Keywords: Adrenocorticotropic Hormone/pharmacology ; Animals ; *Cell Differentiation/drug effects/genetics ; Cell Lineage/drug effects ; *Cellular Reprogramming/drug effects ; Embryonic Stem Cells/*cytology/drug effects/metabolism ; Epigenesis, Genetic/drug effects/genetics ; Female ; Fibroblast Growth Factor 4/pharmacology ; Induced Pluripotent Stem Cells/*cytology/drug effects ; Leukemia Inhibitory Factor/pharmacology ; Mice ; Mice, Inbred ICR ; Placenta/*cytology/drug effects ; Pregnancy ; Trophoblasts/*cytology/drug effects
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  • 143
    Publication Date: 2014-01-17
    Description: Historically, the study of speech processing has emphasized a strong link between auditory perceptual input and motor production output. A kind of 'parity' is essential, as both perception- and production-based representations must form a unified interface to facilitate access to higher-order language processes such as syntax and semantics, believed to be computed in the dominant, typically left hemisphere. Although various theories have been proposed to unite perception and production, the underlying neural mechanisms are unclear. Early models of speech and language processing proposed that perceptual processing occurred in the left posterior superior temporal gyrus (Wernicke's area) and motor production processes occurred in the left inferior frontal gyrus (Broca's area). Sensory activity was proposed to link to production activity through connecting fibre tracts, forming the left lateralized speech sensory-motor system. Although recent evidence indicates that speech perception occurs bilaterally, prevailing models maintain that the speech sensory-motor system is left lateralized and facilitates the transformation from sensory-based auditory representations to motor-based production representations. However, evidence for the lateralized computation of sensory-motor speech transformations is indirect and primarily comes from stroke patients that have speech repetition deficits (conduction aphasia) and studies using covert speech and haemodynamic functional imaging. Whether the speech sensory-motor system is lateralized, like higher-order language processes, or bilateral, like speech perception, is controversial. Here we use direct neural recordings in subjects performing sensory-motor tasks involving overt speech production to show that sensory-motor transformations occur bilaterally. We demonstrate that electrodes over bilateral inferior frontal, inferior parietal, superior temporal, premotor and somatosensory cortices exhibit robust sensory-motor neural responses during both perception and production in an overt word-repetition task. Using a non-word transformation task, we show that bilateral sensory-motor responses can perform transformations between speech-perception- and speech-production-based representations. These results establish a bilateral sublexical speech sensory-motor system.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4000028/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4000028/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cogan, Gregory B -- Thesen, Thomas -- Carlson, Chad -- Doyle, Werner -- Devinsky, Orrin -- Pesaran, Bijan -- R03 DC010475/DC/NIDCD NIH HHS/ -- R03-DC010475/DC/NIDCD NIH HHS/ -- England -- Nature. 2014 Mar 6;507(7490):94-8. doi: 10.1038/nature12935. Epub 2014 Jan 15.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Center for Neural Science, New York University, New York, New York 10003, USA. ; Department of Neurology, New York University School of Medicine, New York, New York 10016, USA. ; 1] Department of Neurology, New York University School of Medicine, New York, New York 10016, USA [2] Medical College of Wisconsin, Milwaukee, Wisconsin 53226, USA. ; Department of Neurosurgery, New York University School of Medicine, New York, New York 10016, USA. ; 1] Department of Neurology, New York University School of Medicine, New York, New York 10016, USA [2] Department of Neurosurgery, New York University School of Medicine, New York, New York 10016, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24429520" target="_blank"〉PubMed〈/a〉
    Keywords: Brain/*anatomy & histology/*physiology ; Brain Mapping ; Female ; Frontal Lobe/physiology ; Functional Laterality/physiology ; Hearing/physiology ; Humans ; Language ; Male ; Models, Neurological ; Psychomotor Performance/*physiology ; Speech/*physiology ; Speech Perception/*physiology ; Temporal Lobe/physiology
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  • 144
    Publication Date: 2014-02-28
    Description: Intermittent intense ultraviolet (UV) exposure represents an important aetiological factor in the development of malignant melanoma. The ability of UV radiation to cause tumour-initiating DNA mutations in melanocytes is now firmly established, but how the microenvironmental effects of UV radiation influence melanoma pathogenesis is not fully understood. Here we report that repetitive UV exposure of primary cutaneous melanomas in a genetically engineered mouse model promotes metastatic progression, independent of its tumour-initiating effects. UV irradiation enhanced the expansion of tumour cells along abluminal blood vessel surfaces and increased the number of lung metastases. This effect depended on the recruitment and activation of neutrophils, initiated by the release of high mobility group box 1 (HMGB1) from UV-damaged epidermal keratinocytes and driven by Toll-like receptor 4 (TLR4). The UV-induced neutrophilic inflammatory response stimulated angiogenesis and promoted the ability of melanoma cells to migrate towards endothelial cells and use selective motility cues on their surfaces. Our results not only reveal how UV irradiation of epidermal keratinocytes is sensed by the innate immune system, but also show that the resulting inflammatory response catalyses reciprocal melanoma-endothelial cell interactions leading to perivascular invasion, a phenomenon originally described as angiotropism in human melanomas by histopathologists. Angiotropism represents a hitherto underappreciated mechanism of metastasis that also increases the likelihood of intravasation and haematogenous dissemination. Consistent with our findings, ulcerated primary human melanomas with abundant neutrophils and reactive angiogenesis frequently show angiotropism and a high risk for metastases. Our work indicates that targeting the inflammation-induced phenotypic plasticity of melanoma cells and their association with endothelial cells represent rational strategies to specifically interfere with metastatic progression.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bald, Tobias -- Quast, Thomas -- Landsberg, Jennifer -- Rogava, Meri -- Glodde, Nicole -- Lopez-Ramos, Dorys -- Kohlmeyer, Judith -- Riesenberg, Stefanie -- van den Boorn-Konijnenberg, Debby -- Homig-Holzel, Cornelia -- Reuten, Raphael -- Schadow, Benjamin -- Weighardt, Heike -- Wenzel, Daniela -- Helfrich, Iris -- Schadendorf, Dirk -- Bloch, Wilhelm -- Bianchi, Marco E -- Lugassy, Claire -- Barnhill, Raymond L -- Koch, Manuel -- Fleischmann, Bernd K -- Forster, Irmgard -- Kastenmuller, Wolfgang -- Kolanus, Waldemar -- Holzel, Michael -- Gaffal, Evelyn -- Tuting, Thomas -- England -- Nature. 2014 Mar 6;507(7490):109-13. doi: 10.1038/nature13111. Epub 2014 Feb 26.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratory of Experimental Dermatology, Department of Dermatology and Allergy, University of Bonn, 53115 Bonn, Germany. ; Molecular Immunology and Cell Biology, Life and Medical Sciences Institute, University of Bonn, 53115 Bonn, Germany. ; Unit for RNA Biology, Department of Clinical Chemistry and Clinical Pharmacology, University of Bonn, 53105 Bonn, Germany. ; Institute for Dental Research and Oral Musculoskeletal Biology, Center for Biochemistry, Medical Faculty, University of Cologne, D-50931 Cologne, Germany. ; Immunology and Environment, Life and Medical Sciences Institute, University of Bonn, 53115 Bonn, Germany. ; Institute for Physiology I, Life & Brain Center, University of Bonn, 53105 Bonn, Germany. ; Department of Dermatology, University Hospital Essen, 45122 Essen, Germany. ; Institute of Cardiovascular Research and Sport Medicine, Department of Molecular and Cellular Sport Medicine, German Sport University Cologne, 50933 Cologne, Germany. ; Division of Genetics and Cell Biology, San Raffaele University and Scientific Institute, 20132 Milan, Italy. ; Department of Pathology and Laboratory Medicine, Jonsson Comprehensive Cancer Center, University of California Los Angeles (UCLA) Medical Center, Los Angeles, California 90095, USA. ; Institutes of Molecular Medicine and Experimental Immunology, University of Bonn, 53105 Bonn, Germany.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24572365" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Movement/radiation effects ; Cell Transformation, Neoplastic/radiation effects ; Disease Models, Animal ; Disease Progression ; Female ; HMGB1 Protein/metabolism ; Immunity, Innate/radiation effects ; Inflammation/*etiology ; Keratinocytes/metabolism/pathology/radiation effects ; Lung Neoplasms/blood supply/etiology/*secondary ; Male ; Melanocytes/pathology/radiation effects ; Melanoma/*blood supply/etiology/*pathology ; Mice ; Mice, Inbred C57BL ; Neovascularization, Pathologic/etiology ; Neutrophils/immunology/metabolism ; Skin Neoplasms/blood supply/etiology/*pathology ; Sunburn/complications/*etiology ; Toll-Like Receptor 4/metabolism ; *Ultraviolet Rays
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  • 145
    Publication Date: 2014-01-31
    Description: Here we report a unique cellular reprogramming phenomenon, called stimulus-triggered acquisition of pluripotency (STAP), which requires neither nuclear transfer nor the introduction of transcription factors. In STAP, strong external stimuli such as a transient low-pH stressor reprogrammed mammalian somatic cells, resulting in the generation of pluripotent cells. Through real-time imaging of STAP cells derived from purified lymphocytes, as well as gene rearrangement analysis, we found that committed somatic cells give rise to STAP cells by reprogramming rather than selection. STAP cells showed a substantial decrease in DNA methylation in the regulatory regions of pluripotency marker genes. Blastocyst injection showed that STAP cells efficiently contribute to chimaeric embryos and to offspring via germline transmission. We also demonstrate the derivation of robustly expandable pluripotent cell lines from STAP cells. Thus, our findings indicate that epigenetic fate determination of mammalian cells can be markedly converted in a context-dependent manner by strong environmental cues.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Obokata, Haruko -- Wakayama, Teruhiko -- Sasai, Yoshiki -- Kojima, Koji -- Vacanti, Martin P -- Niwa, Hitoshi -- Yamato, Masayuki -- Vacanti, Charles A -- England -- Nature. 2014 Jan 30;505(7485):641-7. doi: 10.1038/nature12968.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉1] Laboratory for Tissue Engineering and Regenerative Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts 02115, USA [2] Laboratory for Cellular Reprogramming, RIKEN Center for Developmental biology, Kobe 650-0047, Japan [3] Laboratory for Genomic Reprogramming, RIKEN Center for Developmental biology, Kobe 650-0047, Japan. ; 1] Laboratory for Genomic Reprogramming, RIKEN Center for Developmental biology, Kobe 650-0047, Japan [2] Faculty of Life and Environmental Sciences, University of Yamanashi, Yamanashi 400-8510, Japan. ; Laboratory for Organogenesis and Neurogenesis, RIKEN Center for Developmental biology, Kobe 650-0047, Japan. ; Laboratory for Tissue Engineering and Regenerative Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts 02115, USA. ; 1] Laboratory for Tissue Engineering and Regenerative Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts 02115, USA [2] Department of Pathology, Irwin Army Community Hospital, Fort Riley, Kansas 66442, USA. ; Laboratory for Pluripotent Stem Cell Studies, RIKEN Center for Developmental biology, Kobe 650-0047, Japan. ; Institute of Advanced Biomedical Engineering and Science, Tokyo Women's Medical University, Tokyo 162-8666, Japan.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24476887" target="_blank"〉PubMed〈/a〉
    Keywords: Acids/*pharmacology ; Animals ; Antigens, CD45/metabolism ; Cell Dedifferentiation/drug effects ; Cell Proliferation ; Cellular Reprogramming/*drug effects ; Chimera/metabolism ; DNA Methylation/drug effects ; Embryonic Stem Cells/cytology/metabolism ; Female ; Green Fluorescent Proteins/genetics/metabolism ; Hydrogen-Ion Concentration ; Induced Pluripotent Stem Cells/*cytology/*drug effects/metabolism ; Lymphocytes/cytology/drug effects/metabolism ; Male ; Mice ; Mice, Inbred ICR ; Octamer Transcription Factor-3/metabolism ; Organ Specificity
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 146
    Publication Date: 2014-07-18
    Description: Generating engraftable human haematopoietic cells from autologous tissues is a potential route to new therapies for blood diseases. However, directed differentiation of pluripotent stem cells yields haematopoietic cells that engraft poorly. Here, we have devised a method to phenocopy the vascular-niche microenvironment of haemogenic cells, thereby enabling reprogramming of human endothelial cells into engraftable haematopoietic cells without transition through a pluripotent intermediate. Highly purified non-haemogenic human umbilical vein endothelial cells or adult dermal microvascular endothelial cells were transduced with the transcription factors FOSB, GFI1, RUNX1 and SPI1 (hereafter referred to as FGRS), and then propagated on serum-free instructive vascular niche monolayers to induce outgrowth of haematopoietic colonies containing cells with functional and immunophenotypic features of multipotent progenitor cells (MPPs). These endothelial cells that have been reprogrammed into human MPPs (rEC-hMPPs) acquire colony-forming-cell potential and durably engraft into immune-deficient mice after primary and secondary transplantation, producing long-term rEC-hMPP-derived myeloid (granulocytic/monocytic, erythroid, megakaryocytic) and lymphoid (natural killer and B cell) progenies. Conditional expression of FGRS transgenes, combined with vascular induction, activates endogenous FGRS genes, endowing rEC-hMPPs with a transcriptional and functional profile similar to that of self-renewing MPPs. Our approach underscores the role of inductive cues from the vascular niche in coordinating and sustaining haematopoietic specification and may prove useful for engineering autologous haematopoietic grafts to treat inherited and acquired blood disorders.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4159670/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4159670/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sandler, Vladislav M -- Lis, Raphael -- Liu, Ying -- Kedem, Alon -- James, Daylon -- Elemento, Olivier -- Butler, Jason M -- Scandura, Joseph M -- Rafii, Shahin -- CA159175/CA/NCI NIH HHS/ -- CA163167/CA/NCI NIH HHS/ -- HL055748/HL/NHLBI NIH HHS/ -- HL119872/HL/NHLBI NIH HHS/ -- R01 DK095039/DK/NIDDK NIH HHS/ -- R01 HL097797/HL/NHLBI NIH HHS/ -- R01 HL115128/HL/NHLBI NIH HHS/ -- R01 HL119872/HL/NHLBI NIH HHS/ -- R01DK095039/DK/NIDDK NIH HHS/ -- R01HL097797/HL/NHLBI NIH HHS/ -- R01HL119872/HL/NHLBI NIH HHS/ -- U01 HL099997/HL/NHLBI NIH HHS/ -- U01-HL099997/HL/NHLBI NIH HHS/ -- U54 CA163167/CA/NCI NIH HHS/ -- U54CA163167/CA/NCI NIH HHS/ -- Howard Hughes Medical Institute/ -- England -- Nature. 2014 Jul 17;511(7509):312-8. doi: 10.1038/nature13547. Epub 2014 Jul 2.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Ansary Stem Cell Institute, Department of Genetic Medicine, and Howard Hughes Medical Institute, Weill Cornell Medical College, New York, New York 10065, USA. ; 1] Ansary Stem Cell Institute, Department of Genetic Medicine, and Howard Hughes Medical Institute, Weill Cornell Medical College, New York, New York 10065, USA [2] Ronald O. Perelman and Claudia Cohen Center for Reproductive Medicine, Weill Cornell Medical College, New York, New York 10065, USA. ; HRH Prince Alwaleed Bin Talal Bin Abdulaziz Alsaud Institute for Computational Biomedicine, Weill Cornell Medical College, New York, New York 10065, USA. ; Department of Medicine, Hematology-Oncology, Weill Cornell Medical College and the New York Presbyterian Hospital, New York, New York 10065, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25030167" target="_blank"〉PubMed〈/a〉
    Keywords: Adult Stem Cells/cytology/metabolism/transplantation ; Animals ; Aorta ; Cell Lineage ; *Cellular Microenvironment ; *Cellular Reprogramming ; Endothelial Cells/*cytology/metabolism ; Female ; Gene Expression Regulation ; Gonads ; Hematopoiesis ; Hematopoietic Stem Cell Transplantation ; Hematopoietic Stem Cells/*cytology/metabolism ; Humans ; Lymphocytes/cytology ; Mesonephros ; Mice ; Multipotent Stem Cells/*cytology/metabolism/transplantation ; Myeloid Cells/cytology ; Pluripotent Stem Cells ; Time Factors ; Transcription Factors/genetics/metabolism ; Transgenes/genetics
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  • 147
    Publication Date: 2014-05-16
    Description: Cell competition is an emerging principle underlying selection for cellular fitness during development and disease. Competition may be relevant for cancer, but an experimental link between defects in competition and tumorigenesis is elusive. In the thymus, T lymphocytes develop from precursors that are constantly replaced by bone-marrow-derived progenitors. Here we show that in mice this turnover is regulated by natural cell competition between 'young' bone-marrow-derived and 'old' thymus-resident progenitors that, although genetically identical, execute differential gene expression programs. Disruption of cell competition leads to progenitor self-renewal, upregulation of Hmga1, transformation, and T-cell acute lymphoblastic leukaemia (T-ALL) resembling the human disease in pathology, genomic lesions, leukaemia-associated transcripts, and activating mutations in Notch1. Hence, cell competition is a tumour suppressor mechanism in the thymus. Failure to select fit progenitors through cell competition may explain leukaemia in X-linked severe combined immune deficiency patients who showed thymus-autonomous T-cell development after therapy with gene-corrected autologous progenitors.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Martins, Vera C -- Busch, Katrin -- Juraeva, Dilafruz -- Blum, Carmen -- Ludwig, Carolin -- Rasche, Volker -- Lasitschka, Felix -- Mastitsky, Sergey E -- Brors, Benedikt -- Hielscher, Thomas -- Fehling, Hans Joerg -- Rodewald, Hans-Reimer -- England -- Nature. 2014 May 22;509(7501):465-70. doi: 10.1038/nature13317. Epub 2014 May 14.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉1] Division of Cellular Immunology, German Cancer Research Center, D-69120 Heidelberg, Germany [2] Institute of Immunology, University of Ulm, D-89081 Ulm, Germany. ; Division of Cellular Immunology, German Cancer Research Center, D-69120 Heidelberg, Germany. ; Division of Theoretical Bioinformatics, German Cancer Research Center, D-69120 Heidelberg, Germany. ; Institute of Immunology, University of Ulm, D-89081 Ulm, Germany. ; Core Facility Small Animal MRI, University of Ulm, D-89081 Ulm, Germany. ; Institute of Pathology, University Hospital Heidelberg, Im Neuenheimer Feld 224, 69120 Heidelberg, Germany. ; Division of Biostatistics, German Cancer Research Center, D-69120 Heidelberg, Germany.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24828041" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Division ; Cell Movement ; *Cell Transformation, Neoplastic/genetics ; Disease Progression ; Female ; Gene Expression Regulation, Neoplastic ; HMGA Proteins/genetics ; Hematopoietic Stem Cells/*cytology/metabolism ; Humans ; Male ; Mice ; Mice, Inbred C57BL ; Precursor T-Cell Lymphoblastic Leukemia-Lymphoma/genetics/*pathology ; Receptor, Notch1/genetics ; T-Lymphocytes/cytology/metabolism/pathology ; Thymus Gland/*cytology/pathology ; Transcriptome/genetics
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  • 148
    Publication Date: 2014-05-03
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Scott, Stephen H -- Crevecoeur, Frederic -- England -- Nature. 2014 May 1;509(7498):38-9. doi: 10.1038/509038a.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biomedical and Molecular Sciences, Centre for Neuroscience Studies, Queen's University, Kingston, Ontario K7L 3N6, Canada.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24784211" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Feedback, Sensory/*physiology ; Female ; Male ; Motor Skills/*physiology ; Movement/*physiology ; Neural Inhibition/*physiology ; Presynaptic Terminals/*physiology ; Spinal Cord/*physiology
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  • 149
    Publication Date: 2014-08-15
    Description: Pancreatic ductal adenocarcinoma (PDAC) is one of the deadliest cancers in western countries, with a median survival of 6 months and an extremely low percentage of long-term surviving patients. KRAS mutations are known to be a driver event of PDAC, but targeting mutant KRAS has proved challenging. Targeting oncogene-driven signalling pathways is a clinically validated approach for several devastating diseases. Still, despite marked tumour shrinkage, the frequency of relapse indicates that a fraction of tumour cells survives shut down of oncogenic signalling. Here we explore the role of mutant KRAS in PDAC maintenance using a recently developed inducible mouse model of mutated Kras (Kras(G12D), herein KRas) in a p53(LoxP/WT) background. We demonstrate that a subpopulation of dormant tumour cells surviving oncogene ablation (surviving cells) and responsible for tumour relapse has features of cancer stem cells and relies on oxidative phosphorylation for survival. Transcriptomic and metabolic analyses of surviving cells reveal prominent expression of genes governing mitochondrial function, autophagy and lysosome activity, as well as a strong reliance on mitochondrial respiration and a decreased dependence on glycolysis for cellular energetics. Accordingly, surviving cells show high sensitivity to oxidative phosphorylation inhibitors, which can inhibit tumour recurrence. Our integrated analyses illuminate a therapeutic strategy of combined targeting of the KRAS pathway and mitochondrial respiration to manage pancreatic cancer.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4376130/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4376130/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Viale, Andrea -- Pettazzoni, Piergiorgio -- Lyssiotis, Costas A -- Ying, Haoqiang -- Sanchez, Nora -- Marchesini, Matteo -- Carugo, Alessandro -- Green, Tessa -- Seth, Sahil -- Giuliani, Virginia -- Kost-Alimova, Maria -- Muller, Florian -- Colla, Simona -- Nezi, Luigi -- Genovese, Giannicola -- Deem, Angela K -- Kapoor, Avnish -- Yao, Wantong -- Brunetto, Emanuela -- Kang, Ya'an -- Yuan, Min -- Asara, John M -- Wang, Y Alan -- Heffernan, Timothy P -- Kimmelman, Alec C -- Wang, Huamin -- Fleming, Jason B -- Cantley, Lewis C -- DePinho, Ronald A -- Draetta, Giulio F -- CA016672/CA/NCI NIH HHS/ -- CA16672/CA/NCI NIH HHS/ -- P01 CA117969/CA/NCI NIH HHS/ -- P01 CA120964/CA/NCI NIH HHS/ -- P01CA117969/CA/NCI NIH HHS/ -- P01CA120964/CA/NCI NIH HHS/ -- P30 CA016672/CA/NCI NIH HHS/ -- P30CA16672/CA/NCI NIH HHS/ -- P50 CA127003/CA/NCI NIH HHS/ -- England -- Nature. 2014 Oct 30;514(7524):628-32. doi: 10.1038/nature13611. Epub 2014 Aug 10.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉1] Department of Genomic Medicine, The University of Texas MD Anderson Cancer Center, Houston, Texas 77030, USA [2] Department of Molecular and Cellular Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas 77030, USA [3]. ; Department of Medicine, Weill Cornell Medical College, New York, New York 10065, USA. ; Department of Genomic Medicine, The University of Texas MD Anderson Cancer Center, Houston, Texas 77030, USA. ; 1] Department of Genomic Medicine, The University of Texas MD Anderson Cancer Center, Houston, Texas 77030, USA [2] Department of Molecular and Cellular Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas 77030, USA. ; 1] Department of Genomic Medicine, The University of Texas MD Anderson Cancer Center, Houston, Texas 77030, USA [2] Department of Molecular and Cellular Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas 77030, USA [3] Department of Experimental Oncology, European Institute of Oncology, Milan 20139, Italy. ; Institute for Applied Cancer Science, The University of Texas MD Anderson Cancer Center, Houston, Texas 77030, USA. ; Pathology Unit, San Raffaele Scientific Institute, Milan 20132, Italy. ; Department of Surgical Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas 77030, USA. ; Department of Medicine, Division of Signal Transduction, Beth Israel Deaconess Medical Center, Boston, Massachusetts 02115, USA. ; Department of Radiation Oncology, Dana-Farber Cancer Institute, Boston, Massachusetts 02215, USA. ; Department of Pathology, The University of Texas MD Anderson Cancer Center, Houston, Texas 77030, USA. ; Department of Cancer Biology, The University of Texas MD Anderson Cancer Center, Houston, Texas 77030, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25119024" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Autophagy ; Carcinoma, Pancreatic Ductal/drug therapy/genetics/*metabolism/*pathology ; Cell Respiration/drug effects ; Cell Survival/drug effects ; Disease Models, Animal ; Female ; Gene Expression Regulation, Neoplastic ; Genes, p53/genetics ; Glycolysis ; Lysosomes/metabolism ; Mice ; Mitochondria/drug effects/*metabolism ; Mutation/genetics ; Neoplasm Recurrence, Local/prevention & control ; Neoplastic Stem Cells/drug effects/metabolism/pathology ; Oxidative Phosphorylation/drug effects ; Pancreatic Neoplasms/drug therapy/genetics/*metabolism/*pathology ; Proto-Oncogene Proteins p21(ras)/*genetics/metabolism ; Recurrence ; Signal Transduction
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  • 150
    Publication Date: 2014-05-30
    Description: Although considerable evidence suggests that the chemical synapse is a lynchpin underlying affective disorders, how molecular insults differentially affect specific synaptic connections remains poorly understood. For instance, Neurexin 1a and 2 (NRXN1 and NRXN2) and CNTNAP2 (also known as CASPR2), all members of the neurexin superfamily of transmembrane molecules, have been implicated in neuropsychiatric disorders. However, their loss leads to deficits that have been best characterized with regard to their effect on excitatory cells. Notably, other disease-associated genes such as BDNF and ERBB4 implicate specific interneuron synapses in psychiatric disorders. Consistent with this, cortical interneuron dysfunction has been linked to epilepsy, schizophrenia and autism. Using a microarray screen that focused upon synapse-associated molecules, we identified Cntnap4 (contactin associated protein-like 4, also known as Caspr4) as highly enriched in developing murine interneurons. In this study we show that Cntnap4 is localized presynaptically and its loss leads to a reduction in the output of cortical parvalbumin (PV)-positive GABAergic (gamma-aminobutyric acid producing) basket cells. Paradoxically, the loss of Cntnap4 augments midbrain dopaminergic release in the nucleus accumbens. In Cntnap4 mutant mice, synaptic defects in these disease-relevant neuronal populations are mirrored by sensory-motor gating and grooming endophenotypes; these symptoms could be pharmacologically reversed, providing promise for therapeutic intervention in psychiatric disorders.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4281262/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4281262/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Karayannis, T -- Au, E -- Patel, J C -- Kruglikov, I -- Markx, S -- Delorme, R -- Heron, D -- Salomon, D -- Glessner, J -- Restituito, S -- Gordon, A -- Rodriguez-Murillo, L -- Roy, N C -- Gogos, J A -- Rudy, B -- Rice, M E -- Karayiorgou, M -- Hakonarson, H -- Keren, B -- Huguet, G -- Bourgeron, T -- Hoeffer, C -- Tsien, R W -- Peles, E -- Fishell, G -- NS30989/NS/NINDS NIH HHS/ -- NS50220/NS/NINDS NIH HHS/ -- P01 NS074972/NS/NINDS NIH HHS/ -- R01 DA033811/DA/NIDA NIH HHS/ -- R01 MH071679/MH/NIMH NIH HHS/ -- R01 NS030989/NS/NINDS NIH HHS/ -- R01 NS036362/NS/NINDS NIH HHS/ -- R01 NS050220/NS/NINDS NIH HHS/ -- R01 NS074972/NS/NINDS NIH HHS/ -- R01 NS081297/NS/NINDS NIH HHS/ -- Canadian Institutes of Health Research/Canada -- England -- Nature. 2014 Jul 10;511(7508):236-40.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24870235" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antipsychotic Agents/pharmacology ; Behavior, Animal/drug effects/physiology ; Dopamine/*metabolism ; Electrical Synapses/genetics/ultrastructure ; Female ; Genotype ; Humans ; Male ; Membrane Proteins/*genetics/*metabolism ; Mice ; Nerve Tissue Proteins/*genetics/*metabolism ; Polymorphism, Single Nucleotide ; *Signal Transduction ; Synaptic Transmission/*genetics ; gamma-Aminobutyric Acid/*metabolism
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  • 151
    Publication Date: 2014-07-22
    Description: Macrophages have an important role in the maintenance of tissue homeostasis. To perform this function, macrophages must have the capacity to monitor the functional states of their 'client cells': namely, the parenchymal cells in the various tissues in which macrophages reside. Tumours exhibit many features of abnormally developed organs, including tissue architecture and cellular composition. Similarly to macrophages in normal tissues and organs, macrophages in tumours (tumour-associated macrophages) perform some key homeostatic functions that allow tumour maintenance and growth. However, the signals involved in communication between tumours and macrophages are poorly defined. Here we show that lactic acid produced by tumour cells, as a by-product of aerobic or anaerobic glycolysis, has a critical function in signalling, through inducing the expression of vascular endothelial growth factor and the M2-like polarization of tumour-associated macrophages. Furthermore, we demonstrate that this effect of lactic acid is mediated by hypoxia-inducible factor 1alpha (HIF1alpha). Finally, we show that the lactate-induced expression of arginase 1 by macrophages has an important role in tumour growth. Collectively, these findings identify a mechanism of communication between macrophages and their client cells, including tumour cells. This communication most probably evolved to promote homeostasis in normal tissues but can also be engaged in tumours to promote their growth.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4301845/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4301845/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Colegio, Oscar R -- Chu, Ngoc-Quynh -- Szabo, Alison L -- Chu, Thach -- Rhebergen, Anne Marie -- Jairam, Vikram -- Cyrus, Nika -- Brokowski, Carolyn E -- Eisenbarth, Stephanie C -- Phillips, Gillian M -- Cline, Gary W -- Phillips, Andrew J -- Medzhitov, Ruslan -- 1 P50 CA121974/CA/NCI NIH HHS/ -- 1K08CA172580-01/CA/NCI NIH HHS/ -- 5KL2RR024138/RR/NCRR NIH HHS/ -- AI046688/AI/NIAID NIH HHS/ -- AI089771/AI/NIAID NIH HHS/ -- CA157461/CA/NCI NIH HHS/ -- K08 CA172580/CA/NCI NIH HHS/ -- P30 CA016359/CA/NCI NIH HHS/ -- R01 AI089771/AI/NIAID NIH HHS/ -- R01 CA157461/CA/NCI NIH HHS/ -- R37 AI046688/AI/NIAID NIH HHS/ -- UL1 TR000142/TR/NCATS NIH HHS/ -- Howard Hughes Medical Institute/ -- England -- Nature. 2014 Sep 25;513(7519):559-63. doi: 10.1038/nature13490. Epub 2014 Jul 13.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉1] Department of Immunobiology, Yale University School of Medicine, New Haven, Connecticut 06519-1612, USA [2] Department of Dermatology, Yale University School of Medicine, New Haven, Connecticut 06520-8059, USA [3] Yale-New Haven Transplantation Center, Yale University School of Medicine, New Haven, Connecticut 06519-1369, USA [4] Yale Cancer Center, Yale University School of Medicine, New Haven, Connecticut 06520-8028, USA. ; Department of Immunobiology, Yale University School of Medicine, New Haven, Connecticut 06519-1612, USA. ; 1] Department of Immunobiology, Yale University School of Medicine, New Haven, Connecticut 06519-1612, USA [2] Department of Laboratory Medicine, Yale University School of Medicine, New Haven, Connecticut 06520-8035, USA. ; Department of Chemistry, Yale University School of Medicine, New Haven, Connecticut 06520-8107, USA. ; Department of Internal Medicine, Yale University School of Medicine, New Haven, Connecticut 06520-8020, USA. ; 1] Department of Immunobiology, Yale University School of Medicine, New Haven, Connecticut 06519-1612, USA [2] Yale Cancer Center, Yale University School of Medicine, New Haven, Connecticut 06520-8028, USA [3] Howard Hughes Medical Institute, Chevy Chase, Maryland 20815-6789, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25043024" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Arginase/genetics/metabolism ; Carcinoma, Lewis Lung/pathology ; Cell Communication/drug effects ; Cell Division/drug effects ; Culture Media, Conditioned/chemistry/pharmacology ; Female ; Glycolysis ; Homeostasis ; Hypoxia-Inducible Factor 1, alpha Subunit/metabolism ; Lactic Acid/*metabolism/pharmacology ; Macrophages/*metabolism/*pathology ; Male ; Melanoma, Experimental/pathology ; Mice ; Mice, Inbred BALB C ; Mice, Inbred C57BL ; Neoplasms/*metabolism/*pathology ; RNA, Messenger/analysis/genetics ; Solubility ; Up-Regulation/drug effects ; Vascular Endothelial Growth Factor A/genetics/metabolism
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  • 152
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    Unknown
    Nature Publishing Group (NPG)
    Publication Date: 2014-02-01
    Description: 〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4058759/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4058759/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Collins, Francis S -- Tabak, Lawrence A -- Z99 OD999999/Intramural NIH HHS/ -- England -- Nature. 2014 Jan 30;505(7485):612-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24482835" target="_blank"〉PubMed〈/a〉
    Keywords: Access to Information ; Animals ; Biomedical Research/*standards ; Disclosure/standards ; Female ; Humans ; Male ; *National Institutes of Health (U.S.) ; Pilot Projects ; Reproducibility of Results ; Research Design/*standards ; Scientific Misconduct/statistics & numerical data ; Sex Characteristics ; United States
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  • 153
    Publication Date: 2014-04-18
    Description: Efferocytosis, the process by which dying or dead cells are removed by phagocytosis, has an important role in development, tissue homeostasis and innate immunity. Efferocytosis is mediated, in part, by receptors that bind to exofacial phosphatidylserine (PS) on cells or cellular debris after loss of plasma membrane asymmetry. Here we show that a bacterial pathogen, Listeria monocytogenes, can exploit efferocytosis to promote cell-to-cell spread during infection. These bacteria can escape the phagosome in host cells by using the pore-forming toxin listeriolysin O (LLO) and two phospholipase C enzymes. Expression of the cell surface protein ActA allows L. monocytogenes to activate host actin regulatory factors and undergo actin-based motility in the cytosol, eventually leading to formation of actin-rich protrusions at the cell surface. Here we show that protrusion formation is associated with plasma membrane damage due to LLO's pore-forming activity. LLO also promotes the release of bacteria-containing protrusions from the host cell, generating membrane-derived vesicles with exofacial PS. The PS-binding receptor TIM-4 (encoded by the Timd4 gene) contributes to efficient cell-to-cell spread by L. monocytogenes in macrophages in vitro and growth of these bacteria is impaired in Timd4(-/-) mice. Thus, L. monocytogenes promotes its dissemination in a host by exploiting efferocytosis. Our results indicate that PS-targeted therapeutics may be useful in the fight against infections by L. monocytogenes and other bacteria that use similar strategies of cell-to-cell spread during infection.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4151619/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4151619/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Czuczman, Mark A -- Fattouh, Ramzi -- van Rijn, Jorik M -- Canadien, Veronica -- Osborne, Suzanne -- Muise, Aleixo M -- Kuchroo, Vijay K -- Higgins, Darren E -- Brumell, John H -- AI053669/AI/NIAID NIH HHS/ -- R01 AI053669/AI/NIAID NIH HHS/ -- R01 DK096138/DK/NIDDK NIH HHS/ -- Canadian Institutes of Health Research/Canada -- England -- Nature. 2014 May 8;509(7499):230-4. doi: 10.1038/nature13168. Epub 2014 Apr 13.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉1] Cell Biology Program, Hospital for Sick Children, Toronto, Ontario M5G0A4, Canada [2] Department of Molecular Genetics, University of Toronto, Toronto, Ontario M5S1A8, Canada. ; Cell Biology Program, Hospital for Sick Children, Toronto, Ontario M5G0A4, Canada. ; Department of Cell Biology and Institute of Biomembranes, University Medical Center Utrecht, 3584 CX Utrecht, the Netherlands. ; 1] Cell Biology Program, Hospital for Sick Children, Toronto, Ontario M5G0A4, Canada [2] Division of Gastroenterology, Hepatology, and Nutrition, Department of Paediatrics, Hospital for Sick Children, Toronto, Ontario M5G1X8, Canada [3] Institute of Medical Science, University of Toronto, Toronto, Ontario M5S1A8, Canada [4] Sickkids IBD Centre, Hospital for Sick Children, Toronto, Ontario M5G1X8, Canada. ; Center for Neurologic Diseases, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts 02115, USA. ; Department of Microbiology and Immunobiology, Harvard Medical School, Boston, Massachusetts 02115, USA. ; 1] Cell Biology Program, Hospital for Sick Children, Toronto, Ontario M5G0A4, Canada [2] Department of Molecular Genetics, University of Toronto, Toronto, Ontario M5S1A8, Canada [3] Institute of Medical Science, University of Toronto, Toronto, Ontario M5S1A8, Canada [4] Sickkids IBD Centre, Hospital for Sick Children, Toronto, Ontario M5G1X8, Canada.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24739967" target="_blank"〉PubMed〈/a〉
    Keywords: Actins/metabolism ; Animals ; Bacterial Toxins/metabolism ; Cell Membrane/metabolism/microbiology/pathology ; Cell Surface Extensions/metabolism/*microbiology ; Cytoplasm/metabolism/microbiology ; Female ; HeLa Cells ; Heat-Shock Proteins/metabolism ; Hemolysin Proteins/metabolism ; Humans ; Listeria monocytogenes/pathogenicity/*physiology ; Macrophages/cytology/metabolism/microbiology ; Membrane Proteins/metabolism ; Mice ; *Phagocytosis ; Phagosomes/metabolism/microbiology ; Phosphatidylserines/metabolism ; Type C Phospholipases/metabolism ; Vacuoles/metabolism/microbiology
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  • 154
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    Unknown
    Nature Publishing Group (NPG)
    Publication Date: 2014-01-24
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cyranoski, David -- England -- Nature. 2014 Jan 23;505(7484):468-71. doi: 10.1038/505468a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24451524" target="_blank"〉PubMed〈/a〉
    Keywords: Alzheimer Disease/genetics/physiopathology ; Animals ; Animals, Genetically Modified ; Cattle ; *Cloning, Organism/economics/ethics/history ; Disease Models, Animal ; Dogs ; Embryo Research/ethics/history/legislation & jurisprudence ; Embryonic Stem Cells/cytology ; Epigenomics ; Female ; Heterografts/transplantation ; History, 21st Century ; Humans ; Interferons/biosynthesis/genetics ; Oocyte Donation/economics/ethics ; Parthenogenesis ; Pets ; Republic of Korea ; Research Personnel/economics/*ethics/standards ; Scientific Misconduct/history ; Swine
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  • 155
    facet.materialart.
    Unknown
    Nature Publishing Group (NPG)
    Publication Date: 2014-11-27
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Savage, Neil -- England -- Nature. 2014 Nov 27;515(7528):S158-9. doi: 10.1038/515S158a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25427204" target="_blank"〉PubMed〈/a〉
    Keywords: Blood Coagulation Factors/economics/therapeutic use ; Blood Transfusion/*adverse effects ; Female ; HIV Infections/etiology ; Hemophilia A/*genetics/pathology/*therapy ; Hemophilia B/*genetics/pathology/*therapy ; Hepatitis/etiology ; Humans ; Male ; Pedigree
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  • 156
    facet.materialart.
    Unknown
    Nature Publishing Group (NPG)
    Publication Date: 2014-05-30
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Savage, Neil -- England -- Nature. 2014 May 29;509(7502):S66-7. doi: 10.1038/509S66a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24870826" target="_blank"〉PubMed〈/a〉
    Keywords: Access to Information ; Aneuploidy ; Breast Neoplasms/genetics ; *Computational Biology ; *Data Mining ; *Databases, Genetic ; Electronic Health Records ; Female ; Genes, Tumor Suppressor ; Humans ; Leukemia, Myeloid, Acute/genetics ; Neoplasms/*genetics/pathology ; Oncogenes/genetics ; Practice Guidelines as Topic
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  • 157
    Publication Date: 2014-04-04
    Description: Cancers have dysfunctional redox regulation resulting in reactive oxygen species production, damaging both DNA and free dNTPs. The MTH1 protein sanitizes oxidized dNTP pools to prevent incorporation of damaged bases during DNA replication. Although MTH1 is non-essential in normal cells, we show that cancer cells require MTH1 activity to avoid incorporation of oxidized dNTPs, resulting in DNA damage and cell death. We validate MTH1 as an anticancer target in vivo and describe small molecules TH287 and TH588 as first-in-class nudix hydrolase family inhibitors that potently and selectively engage and inhibit the MTH1 protein in cells. Protein co-crystal structures demonstrate that the inhibitors bind in the active site of MTH1. The inhibitors cause incorporation of oxidized dNTPs in cancer cells, leading to DNA damage, cytotoxicity and therapeutic responses in patient-derived mouse xenografts. This study exemplifies the non-oncogene addiction concept for anticancer treatment and validates MTH1 as being cancer phenotypic lethal.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Gad, Helge -- Koolmeister, Tobias -- Jemth, Ann-Sofie -- Eshtad, Saeed -- Jacques, Sylvain A -- Strom, Cecilia E -- Svensson, Linda M -- Schultz, Niklas -- Lundback, Thomas -- Einarsdottir, Berglind Osk -- Saleh, Aljona -- Gokturk, Camilla -- Baranczewski, Pawel -- Svensson, Richard -- Berntsson, Ronnie P-A -- Gustafsson, Robert -- Stromberg, Kia -- Sanjiv, Kumar -- Jacques-Cordonnier, Marie-Caroline -- Desroses, Matthieu -- Gustavsson, Anna-Lena -- Olofsson, Roger -- Johansson, Fredrik -- Homan, Evert J -- Loseva, Olga -- Brautigam, Lars -- Johansson, Lars -- Hoglund, Andreas -- Hagenkort, Anna -- Pham, Therese -- Altun, Mikael -- Gaugaz, Fabienne Z -- Vikingsson, Svante -- Evers, Bastiaan -- Henriksson, Martin -- Vallin, Karl S A -- Wallner, Olov A -- Hammarstrom, Lars G J -- Wiita, Elisee -- Almlof, Ingrid -- Kalderen, Christina -- Axelsson, Hanna -- Djureinovic, Tatjana -- Puigvert, Jordi Carreras -- Haggblad, Maria -- Jeppsson, Fredrik -- Martens, Ulf -- Lundin, Cecilia -- Lundgren, Bo -- Granelli, Ingrid -- Jensen, Annika Jenmalm -- Artursson, Per -- Nilsson, Jonas A -- Stenmark, Pal -- Scobie, Martin -- Berglund, Ulrika Warpman -- Helleday, Thomas -- England -- Nature. 2014 Apr 10;508(7495):215-21. doi: 10.1038/nature13181. Epub 2014 Apr 2.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉1] Science for Life Laboratory, Division of Translational Medicine and Chemical Biology, Department of Medical Biochemistry and Biophysics, Karolinska Institutet, S-171 21 Stockholm, Sweden [2]. ; Department of Biochemistry and Biophysics, Stockholm University, S-106 91 Stockholm, Sweden. ; Science for Life Laboratory, Division of Translational Medicine and Chemical Biology, Department of Medical Biochemistry and Biophysics, Karolinska Institutet, S-171 21 Stockholm, Sweden. ; 1] Science for Life Laboratory, Division of Translational Medicine and Chemical Biology, Department of Medical Biochemistry and Biophysics, Karolinska Institutet, S-171 21 Stockholm, Sweden [2] Chemical Biology Consortium Sweden, Science for Life Laboratory, Division of Translational Medicine and Chemical Biology, Department of Medical Biochemistry and Biophysics, Karolinska Institutet, S-171 21 Stockholm, Sweden. ; Sahlgrenska Translational Melanoma Group, Sahlgrenska Cancer Center, Department of Surgery, University of Gothenburg and Sahlgrenska University Hospital, S-405 30 Gothenburg, Sweden. ; Department of Analytical Chemistry, Stockholm University, S-106 91 Stockholm, Sweden. ; 1] Science for Life Laboratory, Division of Translational Medicine and Chemical Biology, Department of Medical Biochemistry and Biophysics, Karolinska Institutet, S-171 21 Stockholm, Sweden [2] Uppsala University Drug Optimization and Pharmaceutical Profiling Platform, Department of Pharmacy, Uppsala University, S-751 23 Uppsala, Sweden. ; 1] Chemical Biology Consortium Sweden, Science for Life Laboratory, Division of Translational Medicine and Chemical Biology, Department of Medical Biochemistry and Biophysics, Karolinska Institutet, S-171 21 Stockholm, Sweden [2] Uppsala University Drug Optimization and Pharmaceutical Profiling Platform, Department of Pharmacy, Uppsala University, S-751 23 Uppsala, Sweden. ; Department of Genetics, Microbiology and Toxicology, Stockholm University, S-106 91 Stockholm, Sweden. ; 1] Science for Life Laboratory, Division of Translational Medicine and Chemical Biology, Department of Medical Biochemistry and Biophysics, Karolinska Institutet, S-171 21 Stockholm, Sweden [2] Clinical Pharmacology, Department of Medical and Health Sciences, Linkoping University, S-58185 Linkoping, Sweden. ; 1] Science for Life Laboratory, Division of Translational Medicine and Chemical Biology, Department of Medical Biochemistry and Biophysics, Karolinska Institutet, S-171 21 Stockholm, Sweden [2] Division of Molecular Carcinogenesis, The Netherlands Cancer Institute, 1006 Amsterdam, The Netherlands (B.E.); Department of Immunology, Genetics, and Pathology, Uppsala University, S-751 23 Uppsala, Sweden (T.D.). ; 1] Department of Genetics, Microbiology and Toxicology, Stockholm University, S-106 91 Stockholm, Sweden [2] Division of Molecular Carcinogenesis, The Netherlands Cancer Institute, 1006 Amsterdam, The Netherlands (B.E.); Department of Immunology, Genetics, and Pathology, Uppsala University, S-751 23 Uppsala, Sweden (T.D.). ; Science for Life Laboratory, RNAi Cell Screening Facility, Department of Biochemistry and Biophysics, Stockholm University, S-106 91 Stockholm, Sweden.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24695224" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Catalytic Domain ; Cell Death/drug effects ; Cell Survival/drug effects ; Crystallization ; DNA Damage ; DNA Repair Enzymes/*antagonists & inhibitors/chemistry/metabolism ; Deoxyguanine Nucleotides/metabolism ; Enzyme Inhibitors/chemistry/pharmacokinetics/pharmacology/therapeutic use ; Female ; Humans ; Male ; Mice ; Models, Molecular ; Molecular Conformation ; Molecular Targeted Therapy ; Neoplasms/*drug therapy/*metabolism/pathology ; Nucleotides/*metabolism ; Oxidation-Reduction/drug effects ; Phosphoric Monoester Hydrolases/*antagonists & inhibitors/chemistry/metabolism ; Pyrimidines/chemistry/pharmacokinetics/pharmacology/therapeutic use ; Pyrophosphatases/antagonists & inhibitors ; Reproducibility of Results ; Xenograft Model Antitumor Assays
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  • 158
    Publication Date: 2014-04-11
    Description: The mechanisms by which mucosal homeostasis is maintained are of central importance to inflammatory bowel disease. Critical to these processes is the intestinal epithelial cell (IEC), which regulates immune responses at the interface between the commensal microbiota and the host. CD1d presents self and microbial lipid antigens to natural killer T (NKT) cells, which are involved in the pathogenesis of colitis in animal models and human inflammatory bowel disease. As CD1d crosslinking on model IECs results in the production of the important regulatory cytokine interleukin (IL)-10 (ref. 9), decreased epithelial CD1d expression--as observed in inflammatory bowel disease--may contribute substantially to intestinal inflammation. Here we show in mice that whereas bone-marrow-derived CD1d signals contribute to NKT-cell-mediated intestinal inflammation, engagement of epithelial CD1d elicits protective effects through the activation of STAT3 and STAT3-dependent transcription of IL-10, heat shock protein 110 (HSP110; also known as HSP105), and CD1d itself. All of these epithelial elements are critically involved in controlling CD1d-mediated intestinal inflammation. This is demonstrated by severe NKT-cell-mediated colitis upon IEC-specific deletion of IL-10, CD1d, and its critical regulator microsomal triglyceride transfer protein (MTP), as well as deletion of HSP110 in the radioresistant compartment. Our studies thus uncover a novel pathway of IEC-dependent regulation of mucosal homeostasis and highlight a critical role of IL-10 in the intestinal epithelium, with broad implications for diseases such as inflammatory bowel disease.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4132962/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4132962/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Olszak, Torsten -- Neves, Joana F -- Dowds, C Marie -- Baker, Kristi -- Glickman, Jonathan -- Davidson, Nicholas O -- Lin, Chyuan-Sheng -- Jobin, Christian -- Brand, Stephan -- Sotlar, Karl -- Wada, Koichiro -- Katayama, Kazufumi -- Nakajima, Atsushi -- Mizuguchi, Hiroyuki -- Kawasaki, Kunito -- Nagata, Kazuhiro -- Muller, Werner -- Snapper, Scott B -- Schreiber, Stefan -- Kaser, Arthur -- Zeissig, Sebastian -- Blumberg, Richard S -- 260961/European Research Council/International -- AI50950/AI/NIAID NIH HHS/ -- DK0034854/DK/NIDDK NIH HHS/ -- DK034854/DK/NIDDK NIH HHS/ -- DK044319/DK/NIDDK NIH HHS/ -- DK051362/DK/NIDDK NIH HHS/ -- DK053056/DK/NIDDK NIH HHS/ -- DK088199/DK/NIDDK NIH HHS/ -- DK56260/DK/NIDDK NIH HHS/ -- HL38180/HL/NHLBI NIH HHS/ -- HL59561/HL/NHLBI NIH HHS/ -- P30 DK034854/DK/NIDDK NIH HHS/ -- P30 DK052574/DK/NIDDK NIH HHS/ -- P30CA013696/CA/NCI NIH HHS/ -- P30DK52574/DK/NIDDK NIH HHS/ -- R01 DK044319/DK/NIDDK NIH HHS/ -- England -- Nature. 2014 May 22;509(7501):497-502. doi: 10.1038/nature13150. Epub 2014 Apr 6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉1] Division of Gastroenterology, Hepatology, and Endoscopy, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts 02115, USA [2]. ; 1] Department of Internal Medicine I, University Medical Center Schleswig-Holstein, 24105 Kiel, Germany [2]. ; Division of Gastroenterology, Hepatology, and Endoscopy, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts 02115, USA. ; GI Pathology, Miraca Life Sciences, Newton, Massachusetts 02464, USA. ; Division of Gastroenterology, Washington University School of Medicine, St Louis, Missouri 63110, USA. ; Herbert Irving Comprehensive Cancer Center, Columbia University, New York, New York 10032, USA. ; Department of Medicine, Department of Infectious Diseases & Pathology, University of Florida, Gainesville, Florida 32611, USA. ; Department of Medicine II-Grosshadern, Ludwig Maximilians University, Munich 81377, Germany. ; Institute of Pathology, Ludwig Maximilians University, Munich 80337, Germany. ; Department of Pharmacology, Graduate School of Dentistry, Osaka University, Osaka 565-0871, Japan. ; Gastroenterology Division, Yokohama City University School of Medicine, Yokohama, Kanagawa 236-0027, Japan. ; Laboratory of Biochemistry and Molecular Biology, Graduate School of Pharmaceutical Sciences, Osaka University, Osaka 565-0871, Japan. ; Department of Molecular Biosciences, Faculty of Life Sciences, Kyoto Sangyo University, Motoyama, Kamigamo, Kita-ku, Kyoto 603-8555, Japan. ; Faculty of Life Sciences, University of Manchester, Manchester M13 9PL, UK. ; 1] Division of Gastroenterology, Hepatology, and Endoscopy, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts 02115, USA [2] Division of Pediatric Gastroenterology, Hepatology, and Nutrition, Department of Medicine, Children's Hospital Boston, Boston, Massachusetts 02115, USA. ; Department of Internal Medicine I, University Medical Center Schleswig-Holstein, 24105 Kiel, Germany. ; Division of Gastroenterology, Addenbrooke Hospital, University of Cambridge, Cambridge CB2 0QQ, UK. ; 1] Division of Gastroenterology, Hepatology, and Endoscopy, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts 02115, USA [2] Department of Internal Medicine I, University Medical Center Schleswig-Holstein, 24105 Kiel, Germany [3].〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24717441" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antigens, CD1d/*immunology ; Carrier Proteins/metabolism ; Colitis/immunology/pathology ; Disease Models, Animal ; Epithelial Cells/*immunology/metabolism ; Female ; HSP110 Heat-Shock Proteins/genetics/metabolism ; Humans ; Immunity, Mucosal/*immunology ; Inflammation/immunology/pathology ; Inflammatory Bowel Diseases/immunology/pathology ; Interleukin-10/genetics/*immunology ; Intestinal Mucosa/*cytology/*immunology ; Male ; Mice ; Natural Killer T-Cells/immunology/metabolism ; Oxazolone ; STAT3 Transcription Factor/metabolism
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  • 159
    Publication Date: 2014-03-07
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Olveczky, Bence P -- England -- Nature. 2014 Mar 13;507(7491):177-8. doi: 10.1038/nature13208. Epub 2014 Mar 5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Organismic and Evolutionary Biology, Harvard University, Cambridge, Massachusetts 02138, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24598540" target="_blank"〉PubMed〈/a〉
    Keywords: *Animal Communication ; Animals ; *Courtship ; Drosophila melanogaster/*physiology ; Female ; Male ; *Vibration ; Wings, Animal/*physiology
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  • 160
    Publication Date: 2014-08-01
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bartek, Jiri -- Hodny, Zdenek -- England -- Nature. 2014 Aug 14;512(7513):140-1. doi: 10.1038/nature13652. Epub 2014 Jul 30.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉1] Institute of Molecular Genetics of the ASCR, v.v.i., Prague 142 20, Czech Republic. [2] Danish Cancer Society Research Center, Genome Integrity Unit, Copenhagen DK-2100, Denmark. ; Institute of Molecular Genetics of the ASCR, v.v.i., Prague 142 20, Czech Republic.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25079313" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Aging/*physiology ; DNA Replication/*physiology ; Female ; Hematopoietic Stem Cells/*pathology ; Male ; *Stress, Physiological
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  • 161
    Publication Date: 2014-10-16
    Description: Endothelial cells contribute to a subset of cardiac fibroblasts by undergoing endothelial-to-mesenchymal transition, but whether cardiac fibroblasts can adopt an endothelial cell fate and directly contribute to neovascularization after cardiac injury is not known. Here, using genetic fate map techniques, we demonstrate that cardiac fibroblasts rapidly adopt an endothelial-cell-like phenotype after acute ischaemic cardiac injury. Fibroblast-derived endothelial cells exhibit anatomical and functional characteristics of native endothelial cells. We show that the transcription factor p53 regulates such a switch in cardiac fibroblast fate. Loss of p53 in cardiac fibroblasts severely decreases the formation of fibroblast-derived endothelial cells, reduces post-infarct vascular density and worsens cardiac function. Conversely, stimulation of the p53 pathway in cardiac fibroblasts augments mesenchymal-to-endothelial transition, enhances vascularity and improves cardiac function. These observations demonstrate that mesenchymal-to-endothelial transition contributes to neovascularization of the injured heart and represents a potential therapeutic target for enhancing cardiac repair.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4214889/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4214889/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ubil, Eric -- Duan, Jinzhu -- Pillai, Indulekha C L -- Rosa-Garrido, Manuel -- Wu, Yong -- Bargiacchi, Francesca -- Lu, Yan -- Stanbouly, Seta -- Huang, Jie -- Rojas, Mauricio -- Vondriska, Thomas M -- Stefani, Enrico -- Deb, Arjun -- HL088640/HL/NHLBI NIH HHS/ -- HL105699/HL/NHLBI NIH HHS/ -- R01 HL102190/HL/NHLBI NIH HHS/ -- R01HL102190/HL/NHLBI NIH HHS/ -- T32 GM007040/GM/NIGMS NIH HHS/ -- England -- Nature. 2014 Oct 30;514(7524):585-90. doi: 10.1038/nature13839. Epub 2014 Oct 15.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Cell Biology &Physiology, School of Medicine, University of North Carolina, Chapel Hill, North Carolina 27599, USA. ; 1] Division of Cardiology, Department of Medicine, David Geffen School of Medicine, University of California, Los Angeles, California 90095, USA [2] Cardiovascular Research Laboratory, David Geffen School of Medicine, University of California, Los Angeles, California 90095, USA [3] Eli and Edythe Broad Institute of Regenerative Medicine and Stem Cell Research, University of California, Los Angeles, California 90095, USA [4] Department of Molecular, Cell and Developmental Biology, College of Letters and Sciences, University of California, Los Angeles, California 90095, USA [5] Jonsson Comprehensive Cancer Center, University of California, Los Angeles, California 90095, USA [6] Molecular Biology Institute, University of California, Los Angeles, California 90095, USA. ; 1] Division of Cardiology, Department of Medicine, David Geffen School of Medicine, University of California, Los Angeles, California 90095, USA [2] Cardiovascular Research Laboratory, David Geffen School of Medicine, University of California, Los Angeles, California 90095, USA [3] Division of Molecular Medicine, Department of Anesthesiology, David Geffen School of Medicine, University of California, Los Angeles, California 90095, USA [4] Department of Physiology, David Geffen School of Medicine, University of California, Los Angeles, California 90095, USA. ; Division of Molecular Medicine, Department of Anesthesiology, David Geffen School of Medicine, University of California, Los Angeles, California 90095, USA. ; Department of Pharmacology, School of Medicine, University of North Carolina, Chapel Hill, North Carolina 27599, USA. ; Department of Medicine, McAllister Heart Institute, University of North Carolina, Chapel Hill, North Carolina 27599, USA. ; 1] Division of Cardiology, Department of Medicine, David Geffen School of Medicine, University of California, Los Angeles, California 90095, USA [2] Cardiovascular Research Laboratory, David Geffen School of Medicine, University of California, Los Angeles, California 90095, USA [3] Molecular Biology Institute, University of California, Los Angeles, California 90095, USA [4] Division of Molecular Medicine, Department of Anesthesiology, David Geffen School of Medicine, University of California, Los Angeles, California 90095, USA [5] Department of Physiology, David Geffen School of Medicine, University of California, Los Angeles, California 90095, USA. ; 1] Cardiovascular Research Laboratory, David Geffen School of Medicine, University of California, Los Angeles, California 90095, USA [2] Division of Molecular Medicine, Department of Anesthesiology, David Geffen School of Medicine, University of California, Los Angeles, California 90095, USA [3] Department of Physiology, David Geffen School of Medicine, University of California, Los Angeles, California 90095, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25317562" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Cell Transdifferentiation ; Coronary Vessels/*cytology/*growth & development ; Endothelial Cells/*cytology ; Female ; Fibroblasts/cytology ; In Vitro Techniques ; Male ; Mesoderm/*cytology ; Mice ; Myocardial Ischemia/*pathology ; *Neovascularization, Physiologic ; Tumor Suppressor Protein p53/genetics/metabolism
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  • 162
    Publication Date: 2014-07-06
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Behar, Samuel M -- Sassetti, Christopher M -- England -- Nature. 2014 Jul 3;511(7507):39-40. doi: 10.1038/nature13512. Epub 2014 Jun 25.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Microbiology and Physiological Systems, University of Massachusetts Medical School, Worcester, Massachusetts 01655, USA. ; 1] Department of Microbiology and Physiological Systems, University of Massachusetts Medical School, Worcester, Massachusetts 01655, USA. [2] Howard Hughes Medical Institute, Chevy Chase, Maryland.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24990740" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Female ; Humans ; *Immunotherapy ; Interferon Type I/*immunology ; Interleukin-1/*immunology ; Male ; Mycobacterium tuberculosis/*immunology ; Tuberculosis, Pulmonary/*immunology/*therapy
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  • 163
    Publication Date: 2014-12-19
    Description: Naturally occurring variations of Polycomb repressive complex 1 (PRC1) comprise a core assembly of Polycomb group proteins and additional factors that include, surprisingly, autism susceptibility candidate 2 (AUTS2). Although AUTS2 is often disrupted in patients with neuronal disorders, the mechanism underlying the pathogenesis is unclear. We investigated the role of AUTS2 as part of a previously identified PRC1 complex (PRC1-AUTS2), and in the context of neurodevelopment. In contrast to the canonical role of PRC1 in gene repression, PRC1-AUTS2 activates transcription. Biochemical studies demonstrate that the CK2 component of PRC1-AUTS2 neutralizes PRC1 repressive activity, whereas AUTS2-mediated recruitment of P300 leads to gene activation. Chromatin immunoprecipitation followed by sequencing (ChIP-seq) demonstrated that AUTS2 regulates neuronal gene expression through promoter association. Conditional targeting of Auts2 in the mouse central nervous system (CNS) leads to various developmental defects. These findings reveal a natural means of subverting PRC1 activity, linking key epigenetic modulators with neuronal functions and diseases.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4323097/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4323097/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Gao, Zhonghua -- Lee, Pedro -- Stafford, James M -- von Schimmelmann, Melanie -- Schaefer, Anne -- Reinberg, Danny -- 1DP2MH100012-01/DP/NCCDPHP CDC HHS/ -- 1F32GM105275/GM/NIGMS NIH HHS/ -- 5T32CA160002/CA/NCI NIH HHS/ -- DP2 MH100012/MH/NIMH NIH HHS/ -- F32AA022842/AA/NIAAA NIH HHS/ -- GM-64844/GM/NIGMS NIH HHS/ -- P30 CA016087/CA/NCI NIH HHS/ -- R01 GM064844/GM/NIGMS NIH HHS/ -- T32 CA160002/CA/NCI NIH HHS/ -- Howard Hughes Medical Institute/ -- England -- Nature. 2014 Dec 18;516(7531):349-54. doi: 10.1038/nature13921.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Howard Hughes Medical Institute, New York University Langone School of Medicine, Department of Biochemistry and Molecular Pharmacology, New York, New York 10016, USA. ; Friedman Brain Institute, Department of Neuroscience, Mount Sinai School of Medicine, New York, New York 10029, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25519132" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Behavior, Animal/physiology ; Cell Cycle Proteins/genetics/*metabolism ; Central Nervous System/*metabolism ; Female ; Gene Expression Profiling ; Gene Expression Regulation/*genetics ; Gene Knockout Techniques ; Genotype ; HEK293 Cells ; Histones/metabolism ; Humans ; Male ; Mice ; Mice, Inbred C57BL ; Phosphorylation ; Proteins/genetics/*metabolism ; Ubiquitination
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  • 164
    facet.materialart.
    Unknown
    Nature Publishing Group (NPG)
    Publication Date: 2014-01-10
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Maher, Brendan -- England -- Nature. 2014 Jan 9;505(7482):150-2. doi: 10.1038/505150a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24402265" target="_blank"〉PubMed〈/a〉
    Keywords: Civil Defense ; Female ; Humans ; Male ; Risk Assessment ; *Safety Management ; *Universities ; Violence/*prevention & control/psychology/statistics & numerical data ; Workplace Violence/prevention & control/psychology/statistics & numerical data
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  • 165
    Publication Date: 2014-12-24
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Tachibana-Konwalski, Kikue -- England -- Nature. 2015 Jan 22;517(7535):441-2. doi: 10.1038/nature14087. Epub 2014 Dec 31.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institute of Molecular Biotechnology of the Austrian Academy of Sciences (IMBA), 1030 Vienna, Austria.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25533954" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Chromosomal Proteins, Non-Histone/*metabolism ; *Conserved Sequence ; Female ; Humans ; Kinetochores/*metabolism ; Male ; *Meiosis
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  • 166
    Publication Date: 2014-01-15
    Description: Cells differentiate when transcription factors bind accessible cis-regulatory elements to establish specific gene expression programs. In differentiating embryonic stem cells, chromatin at lineage-restricted genes becomes sequentially accessible, probably by means of 'pioneer' transcription factor activity, but tissues may use other strategies in vivo. Lateral inhibition is a pervasive process in which one cell forces a different identity on its neighbours, and it is unclear how chromatin in equipotent progenitors undergoing lateral inhibition quickly enables distinct, transiently reversible cell fates. Here we report the chromatin and transcriptional underpinnings of differentiation in mouse small intestine crypts, where notch signalling mediates lateral inhibition to assign progenitor cells into absorptive or secretory lineages. Transcript profiles in isolated LGR5(+) intestinal stem cells and secretory and absorptive progenitors indicated that each cell population was distinct and the progenitors specified. Nevertheless, secretory and absorptive progenitors showed comparable levels of H3K4me2 and H3K27ac histone marks and DNase I hypersensitivity--signifying accessible, permissive chromatin-at most of the same cis-elements. Enhancers acting uniquely in progenitors were well demarcated in LGR5(+) intestinal stem cells, revealing early priming of chromatin for divergent transcriptional programs, and retained active marks well after lineages were specified. On this chromatin background, ATOH1, a secretory-specific transcription factor, controls lateral inhibition through delta-like notch ligand genes and also drives the expression of numerous secretory lineage genes. Depletion of ATOH1 from specified secretory cells converted them into functional enterocytes, indicating prolonged responsiveness of marked enhancers to the presence or absence of a key transcription factor. Thus, lateral inhibition and intestinal crypt lineage plasticity involve interaction of a lineage-restricted transcription factor with broadly permissive chromatin established in multipotent stem cells.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4151315/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4151315/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kim, Tae-Hee -- Li, Fugen -- Ferreiro-Neira, Isabel -- Ho, Li-Lun -- Luyten, Annouck -- Nalapareddy, Kodandaramireddy -- Long, Henry -- Verzi, Michael -- Shivdasani, Ramesh A -- K01 DK088868/DK/NIDDK NIH HHS/ -- K01DK088868/DK/NIDDK NIH HHS/ -- K99 DK095983/DK/NIDDK NIH HHS/ -- K99DK095983/DK/NIDDK NIH HHS/ -- P50 CA127003/CA/NCI NIH HHS/ -- P50CA127003/CA/NCI NIH HHS/ -- R01 DK081113/DK/NIDDK NIH HHS/ -- R01 DK082889/DK/NIDDK NIH HHS/ -- R01DK081113/DK/NIDDK NIH HHS/ -- R01DK082889/DK/NIDDK NIH HHS/ -- England -- Nature. 2014 Feb 27;506(7489):511-5. doi: 10.1038/nature12903. Epub 2014 Jan 12.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉1] Department of Medical Oncology and Center for Functional Cancer Epigenetics, Dana-Farber Cancer Institute, Boston, Massachusetts 02215, USA [2] Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts 02215, USA. ; Department of Medical Oncology and Center for Functional Cancer Epigenetics, Dana-Farber Cancer Institute, Boston, Massachusetts 02215, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24413398" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Basic Helix-Loop-Helix Transcription Factors/deficiency/metabolism ; Cell Differentiation/*genetics ; Cell Lineage/genetics ; Chromatin/*genetics/*metabolism ; Deoxyribonuclease I/metabolism ; Enhancer Elements, Genetic/genetics ; Enterocytes/cytology/metabolism ; Female ; *Gene Expression Regulation ; Histones/metabolism ; Intestine, Small/cytology/*metabolism ; Male ; Mice ; Mice, Inbred C57BL ; Receptors, Notch/metabolism ; Stem Cells/cytology/metabolism ; Transcription, Genetic
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  • 167
    facet.materialart.
    Unknown
    Nature Publishing Group (NPG)
    Publication Date: 2014-03-29
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Shen, Helen -- England -- Nature. 2014 Mar 27;507(7493):407-8. doi: 10.1038/507407a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24670737" target="_blank"〉PubMed〈/a〉
    Keywords: Biomedical Research/*legislation & jurisprudence ; Cannabidiol/analysis ; Cannabinol/analysis ; Cannabis/chemistry/classification/growth & development ; Child ; Colorado/epidemiology ; Data Collection/trends ; Dronabinol/analysis ; *Federal Government ; Female ; Humans ; Marijuana Smoking/economics/epidemiology/legislation & jurisprudence/psychology ; National Institute on Drug Abuse (U.S.) ; Pregnancy ; United States ; Washington/epidemiology
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  • 168
    Publication Date: 2014-09-26
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Brooke, Michael -- England -- Nature. 2014 Sep 25;513(7519):484-5. doi: 10.1038/513484a.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉University Museum of Zoology in Cambridge, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25254461" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Birds/anatomy & histology/*physiology ; *Courtship ; Female ; Habits ; History, 20th Century ; Humans ; Male ; Mating Preference, Animal
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  • 169
    Publication Date: 2014-01-02
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉King, Carolyn -- Robinson, Andrew -- Vickers, James -- England -- Nature. 2014 Jan 2;505(7481):26. doi: 10.1038/505026a.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Wicking Dementia Research and Education Centre, University of Tasmania, Hobart, Australia.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24380947" target="_blank"〉PubMed〈/a〉
    Keywords: Education/*statistics & numerical data ; Female ; Humans ; Internet/*utilization ; Male ; Students/*statistics & numerical data
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  • 170
    Publication Date: 2014-02-28
    Description: B lymphocytes have critical roles as positive and negative regulators of immunity. Their inhibitory function has been associated primarily with interleukin 10 (IL-10) because B-cell-derived IL-10 can protect against autoimmune disease and increase susceptibility to pathogens. Here we identify IL-35-producing B cells as key players in the negative regulation of immunity. Mice in which only B cells did not express IL-35 lost their ability to recover from the T-cell-mediated demyelinating autoimmune disease experimental autoimmune encephalomyelitis (EAE). In contrast, these mice displayed a markedly improved resistance to infection with the intracellular bacterial pathogen Salmonella enterica serovar Typhimurium as shown by their superior containment of the bacterial growth and their prolonged survival after primary infection, and upon secondary challenge, compared to control mice. The increased immunity found in mice lacking IL-35 production by B cells was associated with a higher activation of macrophages and inflammatory T cells, as well as an increased function of B cells as antigen-presenting cells (APCs). During Salmonella infection, IL-35- and IL-10-producing B cells corresponded to two largely distinct sets of surface-IgM(+)CD138(hi)TACI(+)CXCR4(+)CD1d(int)Tim1(int) plasma cells expressing the transcription factor Blimp1 (also known as Prdm1). During EAE, CD138(+) plasma cells were also the main source of B-cell-derived IL-35 and IL-10. Collectively, our data show the importance of IL-35-producing B cells in regulation of immunity and highlight IL-35 production by B cells as a potential therapeutic target for autoimmune and infectious diseases. This study reveals the central role of activated B cells, particularly plasma cells, and their production of cytokines in the regulation of immune responses in health and disease.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4260166/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4260166/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Shen, Ping -- Roch, Toralf -- Lampropoulou, Vicky -- O'Connor, Richard A -- Stervbo, Ulrik -- Hilgenberg, Ellen -- Ries, Stefanie -- Dang, Van Duc -- Jaimes, Yarua -- Daridon, Capucine -- Li, Rui -- Jouneau, Luc -- Boudinot, Pierre -- Wilantri, Siska -- Sakwa, Imme -- Miyazaki, Yusei -- Leech, Melanie D -- McPherson, Rhoanne C -- Wirtz, Stefan -- Neurath, Markus -- Hoehlig, Kai -- Meinl, Edgar -- Grutzkau, Andreas -- Grun, Joachim R -- Horn, Katharina -- Kuhl, Anja A -- Dorner, Thomas -- Bar-Or, Amit -- Kaufmann, Stefan H E -- Anderton, Stephen M -- Fillatreau, Simon -- 087833/Wellcome Trust/United Kingdom -- 095831/Wellcome Trust/United Kingdom -- G0801924/Medical Research Council/United Kingdom -- G0901697/Medical Research Council/United Kingdom -- G1100084/Medical Research Council/United Kingdom -- Canadian Institutes of Health Research/Canada -- Medical Research Council/United Kingdom -- Wellcome Trust/United Kingdom -- England -- Nature. 2014 Mar 20;507(7492):366-70. doi: 10.1038/nature12979. Epub 2014 Feb 23.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉1] Deutsches Rheuma-Forschungszentrum, a Leibniz Institute, Chariteplatz 1, 10117 Berlin, Germany [2]. ; 1] Deutsches Rheuma-Forschungszentrum, a Leibniz Institute, Chariteplatz 1, 10117 Berlin, Germany [2] Institute of Biomaterial Science, Helmholtz-Zentrum Geesthacht, Centre for Materials and Coastal Research, Kantstrasse 55, 14513 Teltow, Germany. [3]. ; Deutsches Rheuma-Forschungszentrum, a Leibniz Institute, Chariteplatz 1, 10117 Berlin, Germany. ; University of Edinburgh, Centre for Inflammation Research and Centre for Multiple Sclerosis Research, Queen's Medical Research Institute, Edinburgh EH16 4TJ, UK. ; 1] Deutsches Rheuma-Forschungszentrum, a Leibniz Institute, Chariteplatz 1, 10117 Berlin, Germany [2] Charite Universitatsmedizin Berlin, CC12, Department of Medicine/Rheumatology and Clinical Immunology, 10117 Berlin, Germany. ; Neuroimmunology Unit, Montreal Neurological Institute and Hospital, McGill University, Montreal, Quebec H3A2B4, Canada. ; Virologie et Immunologie Moleculaires, INRA, 78352 Jouy-en-Josas, France. ; Medical Clinic 1, Kussmaul Campus for Medical Research, University of Erlangen-Nurnberg, 91054 Erlangen, Germany. ; Institut fur Klinische Neuroimmunologie Klinikum der Ludwig-Maximilians-Universitat Munchen, 81377 Munchen, Germany. ; Immunpathologie, Research Center ImmunoSciences, 12203 Berlin, Germany. ; Max Planck Institute of Infection Biology, Department of Immunology, Chariteplatz 1, 10117 Berlin, Germany.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24572363" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antigen-Presenting Cells/immunology/metabolism ; Antigens, CD40/immunology ; B-Lymphocytes/*immunology/*metabolism/secretion ; Encephalomyelitis, Autoimmune, Experimental/*immunology ; Female ; Humans ; Immunity/*immunology ; Interleukin-10/metabolism ; Interleukins/immunology/*metabolism/secretion ; Lymphocyte Activation ; Macrophages/cytology/immunology ; Male ; Mice ; Plasma Cells/immunology/metabolism ; Salmonella Infections/*immunology/microbiology ; T-Lymphocytes/immunology ; Toll-Like Receptor 4/immunology
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  • 171
    Publication Date: 2014-07-22
    Description: Aberrant regulation of RNA stability has an important role in many disease states. Deregulated post-transcriptional modulation, such as that governed by microRNAs targeting linear sequence elements in messenger RNAs, has been implicated in the progression of many cancer types. A defining feature of RNA is its ability to fold into structures. However, the roles of structural mRNA elements in cancer progression remain unexplored. Here we performed an unbiased search for post-transcriptional modulators of mRNA stability in breast cancer by conducting whole-genome transcript stability measurements in poorly and highly metastatic isogenic human breast cancer lines. Using a computational framework that searches RNA sequence and structure space, we discovered a family of GC-rich structural cis-regulatory RNA elements, termed sRSEs for structural RNA stability elements, which are significantly overrepresented in transcripts displaying reduced stability in highly metastatic cells. By integrating computational and biochemical approaches, we identified TARBP2, a double-stranded RNA-binding protein implicated in microRNA processing, as the trans factor that binds the sRSE family and similar structural elements--collectively termed TARBP2-binding structural elements (TBSEs)--in transcripts. TARBP2 is overexpressed in metastatic cells and metastatic human breast tumours and destabilizes transcripts containing TBSEs. Endogenous TARBP2 promotes metastatic cell invasion and colonization by destabilizing amyloid precursor protein (APP) and ZNF395 transcripts, two genes previously associated with Alzheimer's and Huntington's disease, respectively. We reveal these genes to be novel metastasis suppressor genes in breast cancer. The cleavage product of APP, extracellular amyloid-alpha peptide, directly suppresses invasion while ZNF395 transcriptionally represses a pro-metastatic gene expression program. The expression levels of TARBP2, APP and ZNF395 in human breast carcinomas support their experimentally uncovered roles in metastasis. Our findings establish a non-canonical and direct role for TARBP2 in mammalian gene expression regulation and reveal that regulated RNA destabilization through protein-mediated binding of mRNA structural elements can govern cancer progression.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4440807/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4440807/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Goodarzi, Hani -- Zhang, Steven -- Buss, Colin G -- Fish, Lisa -- Tavazoie, Saeed -- Tavazoie, Sohail F -- R01 HG003219/HG/NHGRI NIH HHS/ -- England -- Nature. 2014 Sep 11;513(7517):256-60. doi: 10.1038/nature13466. Epub 2014 Jul 9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratory of Systems Cancer Biology, Rockefeller University, 1230 York Avenue, New York, New York 10065, USA. ; Department of Biochemistry and Molecular Biophysics, and Department of Systems Biology, Columbia University, New York, New York 10032, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25043050" target="_blank"〉PubMed〈/a〉
    Keywords: Amyloid beta-Protein Precursor/metabolism ; Breast Neoplasms/pathology ; Cell Line, Tumor ; DNA-Binding Proteins/metabolism ; Female ; Gene Expression Profiling ; Gene Expression Regulation, Neoplastic ; HEK293 Cells ; Humans ; Neoplasm Metastasis ; Protein Binding ; *RNA Stability ; RNA, Messenger/*metabolism ; RNA-Binding Proteins/genetics/*metabolism ; Transcription Factors/metabolism
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  • 172
    Publication Date: 2014-11-28
    Description: There have been no major advances for the treatment of metastatic urothelial bladder cancer (UBC) in the last 30 years. Chemotherapy is still the standard of care. Patient outcomes, especially for those in whom chemotherapy is not effective or is poorly tolerated, remain poor. One hallmark of UBC is the presence of high rates of somatic mutations. These alterations may enhance the ability of the host immune system to recognize tumour cells as foreign owing to an increased number of antigens. However, these cancers may also elude immune surveillance and eradication through the expression of programmed death-ligand 1 (PD-L1; also called CD274 or B7-H1) in the tumour microenvironment. Therefore, we examined the anti-PD-L1 antibody MPDL3280A, a systemic cancer immunotherapy, for the treatment of metastatic UBC. MPDL3280A is a high-affinity engineered human anti-PD-L1 monoclonal immunoglobulin-G1 antibody that inhibits the interaction of PD-L1 with PD-1 (PDCD1) and B7.1 (CD80). Because PD-L1 is expressed on activated T cells, MPDL3280A was engineered with a modification in the Fc domain that eliminates antibody-dependent cellular cytotoxicity at clinically relevant doses to prevent the depletion of T cells expressing PD-L1. Here we show that MPDL3280A has noteworthy activity in metastatic UBC. Responses were often rapid, with many occurring at the time of the first response assessment (6 weeks) and nearly all were ongoing at the data cutoff. This phase I expansion study, with an adaptive design that allowed for biomarker-positive enriched cohorts, demonstrated that tumours expressing PD-L1-positive tumour-infiltrating immune cells had particularly high response rates. Moreover, owing to the favourable toxicity profile, including a lack of renal toxicity, patients with UBC, who are often older and have a higher incidence of renal impairment, may be better able to tolerate MPDL3280A versus chemotherapy. These results suggest that MPDL3280A may have an important role in treating UBC-the drug received breakthrough designation status by the US Food and Drug Administration (FDA) in June 2014.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Powles, Thomas -- Eder, Joseph Paul -- Fine, Gregg D -- Braiteh, Fadi S -- Loriot, Yohann -- Cruz, Cristina -- Bellmunt, Joaquim -- Burris, Howard A -- Petrylak, Daniel P -- Teng, Siew-leng -- Shen, Xiaodong -- Boyd, Zachary -- Hegde, Priti S -- Chen, Daniel S -- Vogelzang, Nicholas J -- England -- Nature. 2014 Nov 27;515(7528):558-62. doi: 10.1038/nature13904.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Barts Cancer Institute, Queen Mary University of London, Barts Experimental Cancer Medicine Centre, London EC1M 6BQ, UK. ; Yale Cancer Center, 333 Cedar Street, WWW211, New Haven, Connecticut 06520, USA. ; Genentech, Inc. 1 DNA Way, South San Francisco, California 94080, USA. ; Comprehensive Cancer Centers of Nevada, 3730 S. Eastern Avenue, Las Vegas, Nevada 89169, USA. ; Gustave Roussy, 114 Rue Edouard Vaillant, 94805 Villejuif, France. ; Vall d'Hebron Institute of Oncology (VHIO) and Vall d'Hebron University Hospital. Passeig Vall d'Hebron, 119-129, 08035, Barcelona, Spain. ; Bladder Cancer Center, Dana-Farber/Brigham and Women's Cancer Center, Harvard Medical School, 450 Brookline Avenue, Boston, Massachusetts 02215, USA. ; Sarah Cannon Research Institute, 3322 West End Avenue, Suite 900, Nashville, Tennessee 37203, USA. ; University of Nevada School of Medicine and US Oncology/Comprehensive Cancer Centers of Nevada, 3730 S. Eastern Avenue, Las Vegas, Nevada 89169, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25428503" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Aged ; Aged, 80 and over ; Antibodies, Monoclonal/adverse effects/*therapeutic use ; Antigens, CD274/metabolism ; Female ; Humans ; *Immunotherapy ; Male ; Middle Aged ; Treatment Outcome ; Urinary Bladder Neoplasms/*therapy
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  • 173
    Publication Date: 2014-04-18
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wassarman, Paul M -- England -- Nature. 2014 Apr 24;508(7497):466-7. doi: 10.1038/nature13227. Epub 2014 Apr 16.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Developmental and Regenerative Biology, Icahn School of Medicine at Mount Sinai, New York, New York 10029-6574, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24739970" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Female ; Fertilization/*physiology ; Humans ; Immunoglobulins/*metabolism ; Male ; Membrane Proteins/*metabolism ; Ovum/*metabolism ; Receptors, Cell Surface/*metabolism ; Spermatozoa/*metabolism
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  • 174
    Publication Date: 2014-05-30
    Description: In female mice, two forms of X-chromosome inactivation (XCI) ensure the selective silencing of female sex chromosomes during mouse embryogenesis. Beginning at the four-cell stage, imprinted XCI (iXCI) exclusively silences the paternal X chromosome. Later, around implantation, epiblast cells of the inner cell mass that give rise to the embryo reactivate the paternal X chromosome and undergo a random form of XCI (rXCI). Xist, a long non-coding RNA crucial for both forms of XCI, is activated by the ubiquitin ligase RLIM (also known as Rnf12). Although RLIM is required for triggering iXCI in mice, its importance for rXCI has been controversial. Here we show that RLIM levels are downregulated in embryonic cells undergoing rXCI. Using mouse genetics we demonstrate that female cells lacking RLIM from pre-implantation stages onwards show hallmarks of XCI, including Xist clouds and H3K27me3 foci, and have full embryogenic potential. These results provide evidence that RLIM is dispensable for rXCI, indicating that in mice an RLIM-independent mechanism activates Xist in the embryo proper.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4105192/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4105192/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Shin, JongDae -- Wallingford, Mary C -- Gallant, Judith -- Marcho, Chelsea -- Jiao, Baowei -- Byron, Meg -- Bossenz, Michael -- Lawrence, Jeanne B -- Jones, Stephen N -- Mager, Jesse -- Bach, Ingolf -- CA077735/CA/NCI NIH HHS/ -- CA131158/CA/NCI NIH HHS/ -- DK32520/DK/NIDDK NIH HHS/ -- GM053234/GM/NIGMS NIH HHS/ -- R01 CA131158/CA/NCI NIH HHS/ -- R01 GM053234/GM/NIGMS NIH HHS/ -- England -- Nature. 2014 Jul 3;511(7507):86-9. doi: 10.1038/nature13286. Epub 2014 May 25.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Program in Gene Function and Expression, University of Massachusetts Medical School (UMMS), Worcester, Massachusetts 01605, USA. ; Veterinary & Animal Sciences, University of Massachusetts Amherst, Amherst, Massachusetts 01003, USA. ; Department of Cell and Developmental Biology, UMMS, Worcester, Massachusetts 01605, USA. ; 1] Program in Gene Function and Expression, University of Massachusetts Medical School (UMMS), Worcester, Massachusetts 01605, USA [2] Kunming Institute of Zoology, Chinese Academy of Science, Kunming 650223, China. ; Ortenau Klinikum Lahr-Ettenheim, Institut fur Pathologie, 77933 Lahr, Germany. ; 1] Program in Gene Function and Expression, University of Massachusetts Medical School (UMMS), Worcester, Massachusetts 01605, USA [2] Program in Molecular Medicine, UMMS, Worcester, Massachusetts 01605, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24870238" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Down-Regulation ; Embryo Implantation ; Embryo, Mammalian/embryology/metabolism ; Female ; Germ Layers/*embryology/*metabolism ; Histones/chemistry/metabolism ; In Situ Hybridization, Fluorescence ; Lysine/metabolism ; Methylation ; Mice ; Mice, Knockout ; RNA, Long Noncoding/genetics ; Ubiquitin-Protein Ligases/genetics/*metabolism ; X Chromosome Inactivation/*genetics
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  • 175
    Publication Date: 2014-05-16
    Description: The silkworm Bombyx mori uses a WZ sex determination system that is analogous to the one found in birds and some reptiles. In this system, males have two Z sex chromosomes, whereas females have Z and W sex chromosomes. The silkworm W chromosome has a dominant role in female determination, suggesting the existence of a dominant feminizing gene in this chromosome. However, the W chromosome is almost fully occupied by transposable element sequences, and no functional protein-coding gene has been identified so far. Female-enriched PIWI-interacting RNAs (piRNAs) are the only known transcripts that are produced from the sex-determining region of the W chromosome, but the function(s) of these piRNAs are unknown. Here we show that a W-chromosome-derived, female-specific piRNA is the feminizing factor of B. mori. This piRNA is produced from a piRNA precursor which we named Fem. Fem sequences were arranged in tandem in the sex-determining region of the W chromosome. Inhibition of Fem-derived piRNA-mediated signalling in female embryos led to the production of the male-specific splice variants of B. mori doublesex (Bmdsx), a gene which acts at the downstream end of the sex differentiation cascade. A target gene of Fem-derived piRNA was identified on the Z chromosome of B. mori. This gene, which we named Masc, encoded a CCCH-type zinc finger protein. We show that the silencing of Masc messenger RNA by Fem piRNA is required for the production of female-specific isoforms of Bmdsx in female embryos, and that Masc protein controls both dosage compensation and masculinization in male embryos. Our study characterizes a single small RNA that is responsible for primary sex determination in the WZ sex determination system.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kiuchi, Takashi -- Koga, Hikaru -- Kawamoto, Munetaka -- Shoji, Keisuke -- Sakai, Hiroki -- Arai, Yuji -- Ishihara, Genki -- Kawaoka, Shinpei -- Sugano, Sumio -- Shimada, Toru -- Suzuki, Yutaka -- Suzuki, Masataka G -- Katsuma, Susumu -- England -- Nature. 2014 May 29;509(7502):633-6. doi: 10.1038/nature13315. Epub 2014 May 14.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Agricultural and Environmental Biology, Graduate School of Agricultural and Life Sciences, The University of Tokyo, 1-1-1 Yayoi, Bunkyo-ku, Tokyo 113-8657, Japan. ; 1] Department of Agricultural and Environmental Biology, Graduate School of Agricultural and Life Sciences, The University of Tokyo, 1-1-1 Yayoi, Bunkyo-ku, Tokyo 113-8657, Japan [2]. ; Department of Integrated Biosciences, Graduate School of Frontier Sciences, The University of Tokyo, 5-1-5 Kashiwanoha, Kashiwa, Chiba 277-8562, Japan. ; Department of Medical Genome Sciences, Graduate School of Frontier Sciences, The University of Tokyo, 4-6-1 Shirokanedai, Minato-ku, Tokyo 108-8639, Japan.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24828047" target="_blank"〉PubMed〈/a〉
    Keywords: Alternative Splicing/genetics ; Animals ; Base Sequence ; Bombyx/embryology/*genetics ; Dosage Compensation, Genetic ; Female ; Male ; Molecular Sequence Data ; RNA, Small Interfering/*genetics ; *Sex Characteristics ; Sex Chromosomes/genetics ; Sex Determination Processes/*genetics
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  • 176
    Publication Date: 2014-08-15
    Description: To protect against human immunodeficiency virus (HIV-1) infection, broadly neutralizing antibodies (bnAbs) must be active at the portals of viral entry in the gastrointestinal or cervicovaginal tracts. The localization and persistence of antibodies at these sites is influenced by the neonatal Fc receptor (FcRn), whose role in protecting against infection in vivo has not been defined. Here, we show that a bnAb with enhanced FcRn binding has increased gut mucosal tissue localization, which improves protection against lentiviral infection in non-human primates. A bnAb directed to the CD4-binding site of the HIV-1 envelope (Env) protein (denoted VRC01) was modified by site-directed mutagenesis to increase its binding affinity for FcRn. This enhanced FcRn-binding mutant bnAb, denoted VRC01-LS, displayed increased transcytosis across human FcRn-expressing cellular monolayers in vitro while retaining FcgammaRIIIa binding and function, including antibody-dependent cell-mediated cytotoxicity (ADCC) activity, at levels similar to VRC01 (the wild type). VRC01-LS had a threefold longer serum half-life than VRC01 in non-human primates and persisted in the rectal mucosa even when it was no longer detectable in the serum. Notably, VRC01-LS mediated protection superior to that afforded by VRC01 against intrarectal infection with simian-human immunodeficiency virus (SHIV). These findings suggest that modification of FcRn binding provides a mechanism not only to increase serum half-life but also to enhance mucosal localization that confers immune protection. Mutations that enhance FcRn function could therefore increase the potency and durability of passive immunization strategies to prevent HIV-1 infection.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4433741/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4433741/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ko, Sung-Youl -- Pegu, Amarendra -- Rudicell, Rebecca S -- Yang, Zhi-yong -- Joyce, M Gordon -- Chen, Xuejun -- Wang, Keyun -- Bao, Saran -- Kraemer, Thomas D -- Rath, Timo -- Zeng, Ming -- Schmidt, Stephen D -- Todd, John-Paul -- Penzak, Scott R -- Saunders, Kevin O -- Nason, Martha C -- Haase, Ashley T -- Rao, Srinivas S -- Blumberg, Richard S -- Mascola, John R -- Nabel, Gary J -- DK0034854/DK/NIDDK NIH HHS/ -- DK044319/DK/NIDDK NIH HHS/ -- DK051362/DK/NIDDK NIH HHS/ -- DK053056/DK/NIDDK NIH HHS/ -- DK088199/DK/NIDDK NIH HHS/ -- R01 DK053056/DK/NIDDK NIH HHS/ -- Intramural NIH HHS/ -- England -- Nature. 2014 Oct 30;514(7524):642-5. doi: 10.1038/nature13612. Epub 2014 Aug 13.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Vaccine Research Center, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Building 40, Room 4502, MSC-3005, 40 Convent Drive, Bethesda, Maryland 20892-3005, USA. ; 1] Vaccine Research Center, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Building 40, Room 4502, MSC-3005, 40 Convent Drive, Bethesda, Maryland 20892-3005, USA [2] Sanofi, 640 Memorial Drive, Cambridge, Massachusetts 02139, USA (R.S.R., Z.-Y.Y. and G.J.N.); Center for Genetics of Host Defense, University of Texas Southwestern Medical Center, 5323 Harry Hines Boulevard, Dallas, Texas 75235-8505, USA (M.Z.); University of North Texas System College of Pharmacy, 3500 Camp Bowie Boulevard, RES-340J, Fort Worth, Texas 76107, USA (S.R.P.). ; Division of Gastroenterology, Department of Medicine, Brigham &Women's Hospital, Harvard Medical School, 75 Francis Street, Boston, Massachusetts 02115, USA. ; 1] Department of Microbiology, Medical School, University of Minnesota, 420 Delaware Street South East, Minneapolis, Minnesota 55455, USA [2] Sanofi, 640 Memorial Drive, Cambridge, Massachusetts 02139, USA (R.S.R., Z.-Y.Y. and G.J.N.); Center for Genetics of Host Defense, University of Texas Southwestern Medical Center, 5323 Harry Hines Boulevard, Dallas, Texas 75235-8505, USA (M.Z.); University of North Texas System College of Pharmacy, 3500 Camp Bowie Boulevard, RES-340J, Fort Worth, Texas 76107, USA (S.R.P.). ; 1] Clinical Pharmacokinetics Laboratory, Pharmacy Department, Clinical Center, National Institutes of Health, Building 10, 10 Center Drive, Bethesda, Maryland 20814, USA [2] Sanofi, 640 Memorial Drive, Cambridge, Massachusetts 02139, USA (R.S.R., Z.-Y.Y. and G.J.N.); Center for Genetics of Host Defense, University of Texas Southwestern Medical Center, 5323 Harry Hines Boulevard, Dallas, Texas 75235-8505, USA (M.Z.); University of North Texas System College of Pharmacy, 3500 Camp Bowie Boulevard, RES-340J, Fort Worth, Texas 76107, USA (S.R.P.). ; Biostatistics Research Branch, Division of Clinical Research, National Institute of Allergy and Infectious Diseases, National Institutes of Health, 6700A Rockledge Drive, Room 5235, Bethesda, Maryland 20892, USA. ; Department of Microbiology, Medical School, University of Minnesota, 420 Delaware Street South East, Minneapolis, Minnesota 55455, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25119033" target="_blank"〉PubMed〈/a〉
    Keywords: Administration, Rectal ; Animals ; Antibodies, Neutralizing/analysis/blood/genetics/*immunology ; Antibodies, Viral/analysis/blood/genetics/*immunology ; Antibody Affinity/genetics/immunology ; Antibody-Dependent Cell Cytotoxicity/immunology ; Antigens, CD4/metabolism ; Binding Sites/genetics ; Female ; HIV/chemistry/immunology ; HIV Antibodies/analysis/blood/genetics/immunology ; HIV Envelope Protein gp160/chemistry/immunology ; HIV Infections/*immunology/*prevention & control ; Half-Life ; Histocompatibility Antigens Class I/*immunology ; Immunity, Mucosal/immunology ; Immunization, Passive ; Intestinal Mucosa/immunology ; Macaca mulatta ; Male ; Mice ; Mutagenesis, Site-Directed ; Receptors, Fc/*immunology ; Receptors, IgG/immunology/metabolism ; Rectum/immunology ; Simian Acquired Immunodeficiency Syndrome/*immunology/*prevention & control ; Simian Immunodeficiency Virus/immunology ; Transcytosis
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  • 177
    Publication Date: 2014-02-14
    Description: In acute myeloid leukaemia (AML), the cell of origin, nature and biological consequences of initiating lesions, and order of subsequent mutations remain poorly understood, as AML is typically diagnosed without observation of a pre-leukaemic phase. Here, highly purified haematopoietic stem cells (HSCs), progenitor and mature cell fractions from the blood of AML patients were found to contain recurrent DNMT3A mutations (DNMT3A(mut)) at high allele frequency, but without coincident NPM1 mutations (NPM1c) present in AML blasts. DNMT3A(mut)-bearing HSCs showed a multilineage repopulation advantage over non-mutated HSCs in xenografts, establishing their identity as pre-leukaemic HSCs. Pre-leukaemic HSCs were found in remission samples, indicating that they survive chemotherapy. Therefore DNMT3A(mut) arises early in AML evolution, probably in HSCs, leading to a clonally expanded pool of pre-leukaemic HSCs from which AML evolves. Our findings provide a paradigm for the detection and treatment of pre-leukaemic clones before the acquisition of additional genetic lesions engenders greater therapeutic resistance.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Shlush, Liran I -- Zandi, Sasan -- Mitchell, Amanda -- Chen, Weihsu Claire -- Brandwein, Joseph M -- Gupta, Vikas -- Kennedy, James A -- Schimmer, Aaron D -- Schuh, Andre C -- Yee, Karen W -- McLeod, Jessica L -- Doedens, Monica -- Medeiros, Jessie J F -- Marke, Rene -- Kim, Hyeoung Joon -- Lee, Kwon -- McPherson, John D -- Hudson, Thomas J -- HALT Pan-Leukemia Gene Panel Consortium -- Brown, Andrew M K -- Yousif, Fouad -- Trinh, Quang M -- Stein, Lincoln D -- Minden, Mark D -- Wang, Jean C Y -- Dick, John E -- CSC-105367/Canadian Institutes of Health Research/Canada -- R21 CA152613/CA/NCI NIH HHS/ -- England -- Nature. 2014 Feb 20;506(7488):328-33. doi: 10.1038/nature13038. Epub 2014 Feb 12.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉1] Princess Margaret Cancer Centre, University Health Network (UHN), Toronto, Ontario M5G 2M9, Canada [2]. ; Princess Margaret Cancer Centre, University Health Network (UHN), Toronto, Ontario M5G 2M9, Canada. ; 1] Princess Margaret Cancer Centre, University Health Network (UHN), Toronto, Ontario M5G 2M9, Canada [2] Department of Medicine, University of Toronto, Toronto, Ontario M5S 2J7, Canada [3] Division of Medical Oncology and Hematology, UHN, Toronto, Ontario M5G 2M9, Canada. ; 1] Princess Margaret Cancer Centre, University Health Network (UHN), Toronto, Ontario M5G 2M9, Canada [2] Department of Medicine, University of Toronto, Toronto, Ontario M5S 2J7, Canada [3] Division of Medical Oncology and Hematology, UHN, Toronto, Ontario M5G 2M9, Canada [4] Department of Medical Biophysics, University of Toronto, Toronto, Ontario M5G 2M9, Canada. ; 1] Princess Margaret Cancer Centre, University Health Network (UHN), Toronto, Ontario M5G 2M9, Canada [2] Radboud University, Nijmegen Medical Centre, Nijmegen 6500 HB, The Netherlands. ; Chonnam National University Hwasun Hospital, Genome Research Center for Hematopoietic Diseases, Gwangju 519-809, South Korea. ; 1] Department of Medical Biophysics, University of Toronto, Toronto, Ontario M5G 2M9, Canada [2] Ontario Institute for Cancer Research, Toronto, Ontario M5G 0A3, Canada. ; 1] Department of Medical Biophysics, University of Toronto, Toronto, Ontario M5G 2M9, Canada [2] Ontario Institute for Cancer Research, Toronto, Ontario M5G 0A3, Canada [3] Department of Molecular Genetics, University of Toronto, Toronto, Ontario M5S 1A8, Canada. ; Ontario Institute for Cancer Research, Toronto, Ontario M5G 0A3, Canada. ; 1] Ontario Institute for Cancer Research, Toronto, Ontario M5G 0A3, Canada [2] Department of Molecular Genetics, University of Toronto, Toronto, Ontario M5S 1A8, Canada. ; 1] Princess Margaret Cancer Centre, University Health Network (UHN), Toronto, Ontario M5G 2M9, Canada [2] Department of Molecular Genetics, University of Toronto, Toronto, Ontario M5S 1A8, Canada.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24522528" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Differentiation ; Cell Division ; Cell Lineage ; Clone Cells/cytology/metabolism/pathology ; DNA (Cytosine-5-)-Methyltransferase/genetics/metabolism ; Drug Resistance, Neoplasm/drug effects ; Female ; Hematopoiesis ; Hematopoietic Stem Cells/*cytology/drug effects/metabolism/pathology ; Heterografts ; Humans ; Isocitrate Dehydrogenase/genetics ; Leukemia, Myeloid, Acute/diagnosis/drug therapy/genetics/*pathology ; Mice ; Mice, Inbred NOD ; Mice, SCID ; Mutation/genetics ; Neoplasm Transplantation ; Neoplastic Stem Cells/*cytology/drug effects/metabolism/pathology ; Nuclear Proteins/genetics ; Remission Induction ; T-Lymphocytes/metabolism/pathology
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  • 178
    Publication Date: 2014-01-17
    Description: Cells of the osteoblast lineage affect the homing and the number of long-term repopulating haematopoietic stem cells, haematopoietic stem cell mobilization and lineage determination and B cell lymphopoiesis. Osteoblasts were recently implicated in pre-leukaemic conditions in mice. However, a single genetic change in osteoblasts that can induce leukaemogenesis has not been shown. Here we show that an activating mutation of beta-catenin in mouse osteoblasts alters the differentiation potential of myeloid and lymphoid progenitors leading to development of acute myeloid leukaemia with common chromosomal aberrations and cell autonomous progression. Activated beta-catenin stimulates expression of the Notch ligand jagged 1 in osteoblasts. Subsequent activation of Notch signalling in haematopoietic stem cell progenitors induces the malignant changes. Genetic or pharmacological inhibition of Notch signalling ameliorates acute myeloid leukaemia and demonstrates the pathogenic role of the Notch pathway. In 38% of patients with myelodysplastic syndromes or acute myeloid leukaemia, increased beta-catenin signalling and nuclear accumulation was identified in osteoblasts and these patients showed increased Notch signalling in haematopoietic cells. These findings demonstrate that genetic alterations in osteoblasts can induce acute myeloid leukaemia, identify molecular signals leading to this transformation and suggest a potential novel pharmacotherapeutic approach to acute myeloid leukaemia.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4116754/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4116754/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kode, Aruna -- Manavalan, John S -- Mosialou, Ioanna -- Bhagat, Govind -- Rathinam, Chozha V -- Luo, Na -- Khiabanian, Hossein -- Lee, Albert -- Murty, Vundavalli V -- Friedman, Richard -- Brum, Andrea -- Park, David -- Galili, Naomi -- Mukherjee, Siddhartha -- Teruya-Feldstein, Julie -- Raza, Azra -- Rabadan, Raul -- Berman, Ellin -- Kousteni, Stavroula -- P01 AG032959/AG/NIA NIH HHS/ -- P30 DK063608/DK/NIDDK NIH HHS/ -- R01 AR054447/AR/NIAMS NIH HHS/ -- R01 AR055931/AR/NIAMS NIH HHS/ -- T32 GM082797/GM/NIGMS NIH HHS/ -- England -- Nature. 2014 Feb 13;506(7487):240-4. doi: 10.1038/nature12883. Epub 2014 Jan 15.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Medicine, Division of Endocrinology, College of Physicians & Surgeons, Columbia University, New York, New York 10032, USA. ; Department of Pathology and Cell Biology, College of Physicians & Surgeons, Columbia University, New York, New York 10032, USA. ; Department of Genetics and Development College of Physicians & Surgeons, Columbia University, New York, New York 10032, USA. ; Department of Biomedical Informatics and Center for Computational Biology and Bioinformatics, Columbia University, New York, New York 10032, USA. ; Department of Pathology & Institute for Cancer Genetics Irving Cancer Research Center, Columbia University, New York, New York 10032, USA. ; Biomedical Informatics Shared Resource, Herbert Irving Comprehensive Cancer Center and Department of Biomedical Informatics, College of Physicians & Surgeons, Columbia University, New York, New York 10032, USA. ; 1] Department of Medicine, Division of Endocrinology, College of Physicians & Surgeons, Columbia University, New York, New York 10032, USA [2] Department of Internal Medicine, Erasmus MC, Dr. Molewaterplein 50, NL-3015 GE Rotterdam, The Netherlands. ; Department of Pathology, Memorial Sloan-Kettering Cancer Center, New York, New York 10021, USA. ; Myelodysplastic Syndromes Center, Columbia University New York, New York 10032, USA. ; Departments of Medicine Hematology & Oncology Columbia University New York, New York 10032, USA. ; Leukemia Service, Department of Medicine, Memorial Sloan-Kettering Cancer Center, New York, New York 10021, USA. ; 1] Department of Medicine, Division of Endocrinology, College of Physicians & Surgeons, Columbia University, New York, New York 10032, USA [2] Department of Physiology & Cellular Biophysics, College of Physicians & Surgeons, Columbia University, New York, New York 10032, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24429522" target="_blank"〉PubMed〈/a〉
    Keywords: Anemia/genetics/metabolism/pathology ; Animals ; Base Sequence ; Calcium-Binding Proteins/deficiency/genetics/metabolism ; Cell Differentiation/genetics ; Cell Lineage ; Cell Nucleus/metabolism ; Cell Transformation, Neoplastic/*genetics/pathology ; Chromosome Aberrations ; Female ; Hematopoietic Stem Cells/metabolism/pathology ; Humans ; Intercellular Signaling Peptides and Proteins/deficiency/genetics/metabolism ; Leukemia, Myeloid, Acute/*genetics/metabolism/*pathology ; Ligands ; Male ; Membrane Proteins/deficiency/genetics/metabolism ; Mice ; Mutation/*genetics ; Myelodysplastic Syndromes/genetics/metabolism/pathology ; Myeloid Cells/metabolism/pathology ; Osteoblasts/*metabolism/pathology/secretion ; Receptors, Notch/metabolism ; Signal Transduction ; Tumor Microenvironment/genetics ; beta Catenin/*genetics/*metabolism
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  • 179
    Publication Date: 2014-08-01
    Description: Mesenchymal stem cells occupy niches in stromal tissues where they provide sources of cells for specialized mesenchymal derivatives during growth and repair. The origins of mesenchymal stem cells have been the subject of considerable discussion, and current consensus holds that perivascular cells form mesenchymal stem cells in most tissues. The continuously growing mouse incisor tooth offers an excellent model to address the origin of mesenchymal stem cells. These stem cells dwell in a niche at the tooth apex where they produce a variety of differentiated derivatives. Cells constituting the tooth are mostly derived from two embryonic sources: neural crest ectomesenchyme and ectodermal epithelium. It has been thought for decades that the dental mesenchymal stem cells giving rise to pulp cells and odontoblasts derive from neural crest cells after their migration in the early head and formation of ectomesenchymal tissue. Here we show that a significant population of mesenchymal stem cells during development, self-renewal and repair of a tooth are derived from peripheral nerve-associated glia. Glial cells generate multipotent mesenchymal stem cells that produce pulp cells and odontoblasts. By combining a clonal colour-coding technique with tracing of peripheral glia, we provide new insights into the dynamics of tooth organogenesis and growth.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kaukua, Nina -- Shahidi, Maryam Khatibi -- Konstantinidou, Chrysoula -- Dyachuk, Vyacheslav -- Kaucka, Marketa -- Furlan, Alessandro -- An, Zhengwen -- Wang, Longlong -- Hultman, Isabell -- Ahrlund-Richter, Lars -- Blom, Hans -- Brismar, Hjalmar -- Lopes, Natalia Assaife -- Pachnis, Vassilis -- Suter, Ueli -- Clevers, Hans -- Thesleff, Irma -- Sharpe, Paul -- Ernfors, Patrik -- Fried, Kaj -- Adameyko, Igor -- G0901599/Medical Research Council/United Kingdom -- MC_U117537087/Medical Research Council/United Kingdom -- England -- Nature. 2014 Sep 25;513(7519):551-4. doi: 10.1038/nature13536. Epub 2014 Jul 27.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉1] Department of Neuroscience, Karolinska Institutet, Stockholm 17177, Sweden [2]. ; 1] Department of Dental Medicine, Karolinska Institutet, Stockholm 17177, Sweden [2]. ; Division of Molecular Neurobiology, MRC National Institute for Medical Research, London NW7 1AA, UK. ; 1] Department of Physiology and Pharmacology, Karolinska Institutet, Stockholm 17177, Sweden [2] A.V. Zhirmunsky Institute of Marine Biology of the Far Eastern Branch of the Russian Academy of Sciences, Vladivostok 690041, Russia. ; Department of Physiology and Pharmacology, Karolinska Institutet, Stockholm 17177, Sweden. ; Unit of Molecular Neurobiology, Department of Medical Biochemistry and Biophysics, Karolinska Institutet, Stockholm 17177, Sweden. ; Department of Craniofacial Development and Stem Cell Biology, King's College London Dental Institute, Guy's Hospital, London SE1 3QD, UK. ; Department of Women's and Children's Health, Karolinska Institutet, Stockholm 17177, Sweden. ; Science for Life Laboratory, Royal Institute of Technology, Stockholm 17177, Sweden. ; Department of Biology, Institute of Molecular Health Sciences, ETH Zurich CH-8093, Switzerland. ; 1] Hubrecht Institute, Koninklijke Nederlandse Akademie van Wetenschappen (KNAW), PO Box 85164, 3508 AD Utrecht, the Netherlands [2] Department of Molecular Genetics, University Medical Center Utrecht, Utrecht 3508 GA, the Netherlands. ; Institute of Biotechnology, Developmental Biology Program, University of Helsinki, Helsinki FI-00014, Finland. ; Department of Neuroscience, Karolinska Institutet, Stockholm 17177, Sweden.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25079316" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Cell Differentiation ; *Cell Lineage ; Cell Tracking ; Clone Cells/cytology ; Dental Pulp/cytology ; Female ; Incisor/*cytology/embryology ; Male ; Mesenchymal Stromal Cells/*cytology ; Mice ; Models, Biological ; Neural Crest/cytology ; Neuroglia/*cytology ; Odontoblasts/cytology ; Regeneration ; Schwann Cells/cytology
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  • 180
    Publication Date: 2014-10-17
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bottos, Alessia -- Hynes, Nancy E -- England -- Nature. 2014 Oct 16;514(7522):309-10. doi: 10.1038/514309a.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Friedrich Miescher Institute for Biomedical Research, 4058 Basel, Switzerland.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25318518" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Breast Neoplasms/*pathology ; Female ; Humans ; Male ; Neoplasm Metastasis/*pathology ; Neoplastic Cells, Circulating/*pathology
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  • 181
    Publication Date: 2014-02-11
    Description: The transcription factors c-Myc and N-Myc--encoded by Myc and Mycn, respectively--regulate cellular growth and are required for embryonic development. A third paralogue, Mycl1, is dispensable for normal embryonic development but its biological function has remained unclear. To examine the in vivo function of Mycl1 in mice, we generated an inactivating Mycl1(gfp) allele that also reports Mycl1 expression. We find that Mycl1 is selectively expressed in dendritic cells (DCs) of the immune system and controlled by IRF8, and that during DC development, Mycl1 expression is initiated in the common DC progenitor concurrent with reduction in c-Myc expression. Mature DCs lack expression of c-Myc and N-Myc but maintain L-Myc expression even in the presence of inflammatory signals such as granulocyte-macrophage colony-stimulating factor. All DC subsets develop in Mycl1-deficient mice, but some subsets such as migratory CD103(+) conventional DCs in the lung and liver are greatly reduced at steady state. Importantly, loss of L-Myc by DCs causes a significant decrease in in vivo T-cell priming during infection by Listeria monocytogenes and vesicular stomatitis virus. The replacement of c-Myc by L-Myc in immature DCs may provide for Myc transcriptional activity in the setting of inflammation that is required for optimal T-cell priming.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3954917/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3954917/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉KC, Wumesh -- Satpathy, Ansuman T -- Rapaport, Aaron S -- Briseno, Carlos G -- Wu, Xiaodi -- Albring, Jorn C -- Russler-Germain, Emilie V -- Kretzer, Nicole M -- Durai, Vivek -- Persaud, Stephen P -- Edelson, Brian T -- Loschko, Jakob -- Cella, Marina -- Allen, Paul M -- Nussenzweig, Michel C -- Colonna, Marco -- Sleckman, Barry P -- Murphy, Theresa L -- Murphy, Kenneth M -- P30 CA091842/CA/NCI NIH HHS/ -- P30 CA91842/CA/NCI NIH HHS/ -- R01 AI024157/AI/NIAID NIH HHS/ -- R01 AI047829/AI/NIAID NIH HHS/ -- T32 AI007163/AI/NIAID NIH HHS/ -- T32 GM007200/GM/NIGMS NIH HHS/ -- Howard Hughes Medical Institute/ -- England -- Nature. 2014 Mar 13;507(7491):243-7. doi: 10.1038/nature12967. Epub 2014 Feb 9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Pathology and Immunology, Washington University School of Medicine, 660 S. Euclid Avenue, St Louis, Missouri 63110, USA. ; Department of Medicine A, Hematology and Oncology, University of Muenster, 48149 Muenster, Germany. ; Laboratory of Molecular Immunology, Howard Hughes Medical Institute, The Rockefeller University, New York, New York 10065, USA. ; 1] Department of Pathology and Immunology, Washington University School of Medicine, 660 S. Euclid Avenue, St Louis, Missouri 63110, USA [2] Howard Hughes Medical Institute, Washington University School of Medicine, 660 S. Euclid Avenue, St Louis, Missouri 63110, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24509714" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antigens, CD/metabolism ; Cell Division ; Cross-Priming/*immunology ; Dendritic Cells/cytology/*immunology/*metabolism ; Female ; *Gene Expression Regulation ; Granulocyte-Macrophage Colony-Stimulating Factor/metabolism ; Inflammation/immunology/metabolism ; Integrin alpha Chains/metabolism ; Interferon Regulatory Factors/metabolism ; Listeria monocytogenes/immunology ; Liver/cytology/immunology ; Lung/cytology/immunology ; Male ; Mice ; Proto-Oncogene Proteins c-myc/deficiency/*metabolism ; T-Lymphocytes/*immunology ; Transcription, Genetic ; Vesiculovirus/immunology
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  • 182
    facet.materialart.
    Unknown
    Nature Publishing Group (NPG)
    Publication Date: 2014-07-25
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉England -- Nature. 2014 Jul 24;511(7510):384. doi: 10.1038/511384a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25056027" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Climate Change ; Female ; Fur Seals/*genetics ; *Heterozygote
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  • 183
    Publication Date: 2014-04-18
    Description: A primary goal of the Human Microbiome Project (HMP) was to provide a reference collection of 16S ribosomal RNA gene sequences collected from sites across the human body that would allow microbiologists to better associate changes in the microbiome with changes in health. The HMP Consortium has reported the structure and function of the human microbiome in 300 healthy adults at 18 body sites from a single time point. Using additional data collected over the course of 12-18 months, we used Dirichlet multinomial mixture models to partition the data into community types for each body site and made three important observations. First, there were strong associations between whether individuals had been breastfed as an infant, their gender, and their level of education with their community types at several body sites. Second, although the specific taxonomic compositions of the oral and gut microbiomes were different, the community types observed at these sites were predictive of each other. Finally, over the course of the sampling period, the community types from sites within the oral cavity were the least stable, whereas those in the vagina and gut were the most stable. Our results demonstrate that even with the considerable intra- and interpersonal variation in the human microbiome, this variation can be partitioned into community types that are predictive of each other and are probably the result of life-history characteristics. Understanding the diversity of community types and the mechanisms that result in an individual having a particular type or changing types, will allow us to use their community types to assess disease risk and to personalize therapies.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4139711/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4139711/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ding, Tao -- Schloss, Patrick D -- P30 DK034933/DK/NIDDK NIH HHS/ -- P30DK034933/DK/NIDDK NIH HHS/ -- R01 GM099514/GM/NIGMS NIH HHS/ -- R01 HG005975/HG/NHGRI NIH HHS/ -- R01GM099514/GM/NIGMS NIH HHS/ -- R01HG005975/HG/NHGRI NIH HHS/ -- England -- Nature. 2014 May 15;509(7500):357-60. doi: 10.1038/nature13178. Epub 2014 Apr 16.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Microbiology and Immunology, 1500 W. Medical Center, University of Michigan, Ann Arbor, Michigan 48109, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24739969" target="_blank"〉PubMed〈/a〉
    Keywords: Breast Feeding ; Disease Susceptibility ; Educational Status ; Feces/microbiology ; Female ; Gastrointestinal Tract/microbiology ; Health ; *Human Body ; Humans ; Life Style ; Male ; Metagenome/genetics ; *Microbiota/genetics ; Mouth/microbiology ; *Organ Specificity ; Precision Medicine ; RNA, Ribosomal, 16S/genetics ; Sex Characteristics ; Time Factors ; Vagina/microbiology
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  • 184
    Publication Date: 2014-09-19
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Silk, Joan B -- England -- Nature. 2014 Sep 18;513(7518):321-2. doi: 10.1038/513321a.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉School of Human Evolution &Social Change, Arizona State University, Tempe, Arizona 85287-2402, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25230649" target="_blank"〉PubMed〈/a〉
    Keywords: Aggression/*physiology/*psychology ; Animals ; Behavior, Animal/*physiology ; Female ; *Human Activities ; Humans ; Male ; *Models, Biological ; *Pan paniscus ; *Pan troglodytes
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  • 185
    facet.materialart.
    Unknown
    Nature Publishing Group (NPG)
    Publication Date: 2014-11-27
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Dolgin, Elie -- England -- Nature. 2014 Nov 27;515(7528):S166-7. doi: 10.1038/515S166a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25427208" target="_blank"〉PubMed〈/a〉
    Keywords: Administration, Oral ; Animals ; Blood Coagulation Factor Inhibitors/metabolism ; Chloroplasts/genetics ; Dogs ; Factor IX/administration & dosage/adverse effects/genetics ; Female ; Genetic Therapy/trends ; Hemophilia A/immunology/therapy ; Hemophilia B/immunology/*therapy ; Humans ; Hypersensitivity/immunology/*prevention & control ; Immune Tolerance/immunology ; Lettuce/*genetics ; Mice ; Nanoparticles/metabolism/therapeutic use
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  • 186
    Publication Date: 2014-03-05
    Description: Recognition of modified histones by 'reader' proteins plays a critical role in the regulation of chromatin. H3K36 trimethylation (H3K36me3) is deposited onto the nucleosomes in the transcribed regions after RNA polymerase II elongation. In yeast, this mark in turn recruits epigenetic regulators to reset the chromatin to a relatively repressive state, thus suppressing cryptic transcription. However, much less is known about the role of H3K36me3 in transcription regulation in mammals. This is further complicated by the transcription-coupled incorporation of the histone variant H3.3 in gene bodies. Here we show that the candidate tumour suppressor ZMYND11 specifically recognizes H3K36me3 on H3.3 (H3.3K36me3) and regulates RNA polymerase II elongation. Structural studies show that in addition to the trimethyl-lysine binding by an aromatic cage within the PWWP domain, the H3.3-dependent recognition is mediated by the encapsulation of the H3.3-specific 'Ser 31' residue in a composite pocket formed by the tandem bromo-PWWP domains of ZMYND11. Chromatin immunoprecipitation followed by sequencing shows a genome-wide co-localization of ZMYND11 with H3K36me3 and H3.3 in gene bodies, and its occupancy requires the pre-deposition of H3.3K36me3. Although ZMYND11 is associated with highly expressed genes, it functions as an unconventional transcription co-repressor by modulating RNA polymerase II at the elongation stage. ZMYND11 is critical for the repression of a transcriptional program that is essential for tumour cell growth; low expression levels of ZMYND11 in breast cancer patients correlate with worse prognosis. Consistently, overexpression of ZMYND11 suppresses cancer cell growth in vitro and tumour formation in mice. Together, this study identifies ZMYND11 as an H3.3-specific reader of H3K36me3 that links the histone-variant-mediated transcription elongation control to tumour suppression.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4142212/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4142212/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wen, Hong -- Li, Yuanyuan -- Xi, Yuanxin -- Jiang, Shiming -- Stratton, Sabrina -- Peng, Danni -- Tanaka, Kaori -- Ren, Yongfeng -- Xia, Zheng -- Wu, Jun -- Li, Bing -- Barton, Michelle C -- Li, Wei -- Li, Haitao -- Shi, Xiaobing -- CA016672/CA/NCI NIH HHS/ -- P30 CA016672/CA/NCI NIH HHS/ -- R01 GM090077/GM/NIGMS NIH HHS/ -- R01 HG007538/HG/NHGRI NIH HHS/ -- R01GM090077/GM/NIGMS NIH HHS/ -- R01HG007538/HG/NHGRI NIH HHS/ -- England -- Nature. 2014 Apr 10;508(7495):263-8. doi: 10.1038/nature13045. Epub 2014 Mar 2.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉1] Department of Biochemistry and Molecular Biology, The University of Texas MD Anderson Cancer Center, Houston, Texas 77030, USA [2] Center for Cancer Epigenetics, Center for Genetics and Genomics, and Center for Stem Cell and Developmental Biology, The University of Texas MD Anderson Cancer Center, Houston, Texas 77030, USA [3]. ; 1] MOE Key Laboratory of Protein Sciences, Center for Structural Biology, School of Life Sciences, Tsinghua University, Beijing 100084, China [2] Department of Basic Medical Sciences, School of Medicine, Tsinghua University, Beijing 100084, China [3]. ; 1] Dan L. Duncan Cancer Center, Department of Molecular and Cellular Biology, Baylor College of Medicine, Houston, Texas 77030, USA [2]. ; Department of Biochemistry and Molecular Biology, The University of Texas MD Anderson Cancer Center, Houston, Texas 77030, USA. ; 1] MOE Key Laboratory of Protein Sciences, Center for Structural Biology, School of Life Sciences, Tsinghua University, Beijing 100084, China [2] Department of Basic Medical Sciences, School of Medicine, Tsinghua University, Beijing 100084, China. ; Dan L. Duncan Cancer Center, Department of Molecular and Cellular Biology, Baylor College of Medicine, Houston, Texas 77030, USA. ; Department of Molecular Biology, The University of Texas Southwestern Medical Center, Dallas, Texas 75390, USA. ; 1] Department of Biochemistry and Molecular Biology, The University of Texas MD Anderson Cancer Center, Houston, Texas 77030, USA [2] Center for Cancer Epigenetics, Center for Genetics and Genomics, and Center for Stem Cell and Developmental Biology, The University of Texas MD Anderson Cancer Center, Houston, Texas 77030, USA [3] Genes and Development Graduate Program, The University of Texas Graduate School of Biomedical Sciences, Houston, Teaxs 77030, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24590075" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Breast Neoplasms/*genetics/metabolism/*pathology ; Carrier Proteins/chemistry/*metabolism ; Chromatin/genetics/metabolism ; Co-Repressor Proteins/chemistry/metabolism ; Crystallography, X-Ray ; Disease-Free Survival ; Female ; Gene Expression Regulation, Neoplastic/genetics ; Histones/chemistry/*metabolism ; Humans ; Lysine/*metabolism ; Methylation ; Mice ; Mice, Nude ; Models, Molecular ; Molecular Sequence Data ; Oncogenes/genetics ; Prognosis ; Protein Binding ; Protein Conformation ; Protein Structure, Tertiary ; RNA Polymerase II/*metabolism ; Substrate Specificity ; *Transcription Elongation, Genetic
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  • 187
    Publication Date: 2014-02-28
    Description: Commitment to and completion of sexual development are essential for malaria parasites (protists of the genus Plasmodium) to be transmitted through mosquitoes. The molecular mechanism(s) responsible for commitment have been hitherto unknown. Here we show that PbAP2-G, a conserved member of the apicomplexan AP2 (ApiAP2) family of DNA-binding proteins, is essential for the commitment of asexually replicating forms to sexual development in Plasmodium berghei, a malaria parasite of rodents. PbAP2-G was identified from mutations in its encoding gene, PBANKA_143750, which account for the loss of sexual development frequently observed in parasites transmitted artificially by blood passage. Systematic gene deletion of conserved ApiAP2 genes in Plasmodium confirmed the role of PbAP2-G and revealed a second ApiAP2 member (PBANKA_103430, here termed PbAP2-G2) that significantly modulates but does not abolish gametocytogenesis, indicating that a cascade of ApiAP2 proteins are involved in commitment to the production and maturation of gametocytes. The data suggest a mechanism of commitment to gametocytogenesis in Plasmodium consistent with a positive feedback loop involving PbAP2-G that could be exploited to prevent the transmission of this pernicious parasite.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4105895/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4105895/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sinha, Abhinav -- Hughes, Katie R -- Modrzynska, Katarzyna K -- Otto, Thomas D -- Pfander, Claudia -- Dickens, Nicholas J -- Religa, Agnieszka A -- Bushell, Ellen -- Graham, Anne L -- Cameron, Rachael -- Kafsack, Bjorn F C -- Williams, April E -- Llinas, Manuel -- Berriman, Matthew -- Billker, Oliver -- Waters, Andrew P -- 083811/Wellcome Trust/United Kingdom -- 083811/Z/07/Z/Wellcome Trust/United Kingdom -- 085349/Wellcome Trust/United Kingdom -- 098051/Wellcome Trust/United Kingdom -- 104111/Wellcome Trust/United Kingdom -- G0501670/Medical Research Council/United Kingdom -- P50 GM071508/GM/NIGMS NIH HHS/ -- P50GM071508/GM/NIGMS NIH HHS/ -- R01 AI076276/AI/NIAID NIH HHS/ -- T32 GM007388/GM/NIGMS NIH HHS/ -- Howard Hughes Medical Institute/ -- England -- Nature. 2014 Mar 13;507(7491):253-7. doi: 10.1038/nature12970. Epub 2014 Feb 23.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉1] Wellcome Trust Centre for Molecular Parasitology, University of Glasgow, Glasgow G12 8QQ, UK [2]. ; 1] Wellcome Trust Sanger Institute, Hinxton, Cambridge CB10 1SA, UK [2]. ; Wellcome Trust Sanger Institute, Hinxton, Cambridge CB10 1SA, UK. ; Wellcome Trust Centre for Molecular Parasitology, University of Glasgow, Glasgow G12 8QQ, UK. ; Department of Molecular Biology, Princeton University, Princeton, New Jersey 08544-1014, USA. ; 1] Department of Molecular Biology, Princeton University, Princeton, New Jersey 08544-1014, USA [2] Lewis-Sigler Institute for Integrative Genomics, Princeton University, Princeton, New Jersey 08544, USA. ; 1] Department of Molecular Biology, Princeton University, Princeton, New Jersey 08544-1014, USA [2] Lewis-Sigler Institute for Integrative Genomics, Princeton University, Princeton, New Jersey 08544, USA [3] Department of Biochemistry and Molecular Biology and Center for Infectious Disease Dynamics, The Pennsylvania State University, State College, Pennsylvania 16802, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24572359" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Culicidae/parasitology ; DNA-Binding Proteins/deficiency/genetics/*metabolism ; Feedback, Physiological ; Female ; Gene Expression Regulation ; Germ Cells/cytology/*growth & development/metabolism ; Malaria/*parasitology ; Male ; Mutation/genetics ; Plasmodium berghei/cytology/*genetics/*physiology ; Protein Transport ; Protozoan Proteins/genetics/*metabolism ; Reproduction, Asexual ; Sexual Development/*genetics ; Transcription, Genetic
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  • 188
    Publication Date: 2014-04-04
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Dominissini, Dan -- He, Chuan -- England -- Nature. 2014 Apr 10;508(7495):191-2. doi: 10.1038/nature13221. Epub 2014 Apr 2.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Chemistry and Institute for Biophysical Dynamics, and at the Howard Hughes Medical Institute, University of Chicago, Chicago, Illinois 60637, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24695227" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antineoplastic Agents/*pharmacology ; DNA Repair Enzymes/*antagonists & inhibitors/*metabolism ; Female ; Humans ; Male ; Neoplasms/*drug therapy/*metabolism ; Nucleotides/*metabolism ; Phosphoric Monoester Hydrolases/*antagonists & inhibitors/*metabolism ; Protein Kinase Inhibitors/*pharmacology ; Pyrazoles/*pharmacology ; Pyridines/*pharmacology
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  • 189
    Publication Date: 2014-02-04
    Description: Hunger is a hard-wired motivational state essential for survival. Agouti-related peptide (AgRP)-expressing neurons in the arcuate nucleus (ARC) at the base of the hypothalamus are crucial to the control of hunger. They are activated by caloric deficiency and, when naturally or artificially stimulated, they potently induce intense hunger and subsequent food intake. Consistent with their obligatory role in regulating appetite, genetic ablation or chemogenetic inhibition of AgRP neurons decreases feeding. Excitatory input to AgRP neurons is important in caloric-deficiency-induced activation, and is notable for its remarkable degree of caloric-state-dependent synaptic plasticity. Despite the important role of excitatory input, its source(s) has been unknown. Here, through the use of Cre-recombinase-enabled, cell-specific neuron mapping techniques in mice, we have discovered strong excitatory drive that, unexpectedly, emanates from the hypothalamic paraventricular nucleus, specifically from subsets of neurons expressing thyrotropin-releasing hormone (TRH) and pituitary adenylate cyclase-activating polypeptide (PACAP, also known as ADCYAP1). Chemogenetic stimulation of these afferent neurons in sated mice markedly activates AgRP neurons and induces intense feeding. Conversely, acute inhibition in mice with caloric-deficiency-induced hunger decreases feeding. Discovery of these afferent neurons capable of triggering hunger advances understanding of how this intense motivational state is regulated.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3955843/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3955843/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Krashes, Michael J -- Shah, Bhavik P -- Madara, Joseph C -- Olson, David P -- Strochlic, David E -- Garfield, Alastair S -- Vong, Linh -- Pei, Hongjuan -- Watabe-Uchida, Mitsuko -- Uchida, Naoshige -- Liberles, Stephen D -- Lowell, Bradford B -- F32 DK078478/DK/NIDDK NIH HHS/ -- F32 DK089710/DK/NIDDK NIH HHS/ -- K08 DK071561/DK/NIDDK NIH HHS/ -- P30 DK046200/DK/NIDDK NIH HHS/ -- P30 DK057521/DK/NIDDK NIH HHS/ -- P30 DK57521/DK/NIDDK NIH HHS/ -- P30 HD018655/HD/NICHD NIH HHS/ -- R01 DK071051/DK/NIDDK NIH HHS/ -- R01 DK075632/DK/NIDDK NIH HHS/ -- R01 DK089044/DK/NIDDK NIH HHS/ -- R01 DK096010/DK/NIDDK NIH HHS/ -- R01 MH095953/MH/NIMH NIH HHS/ -- R01 MH101207/MH/NIMH NIH HHS/ -- R37 DK053477/DK/NIDDK NIH HHS/ -- England -- Nature. 2014 Mar 13;507(7491):238-42. doi: 10.1038/nature12956. Epub 2014 Feb 2.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉1] Division of Endocrinology, Diabetes and Metabolism, Department of Medicine, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts 02215, USA [2] Diabetes, Endocrinology and Obesity Branch, National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Bethesda, Maryland 20892, USA (M.J.K.); National Institute on Drug Abuse, National Institutes of Health, Baltimore, Maryland 21224, USA (M.J.K.); Cardiovascular and Metabolic Diseases, Pfizer, 610 Main Street, Cambridge, Massachusetts 02139, USA (B.P.S.); Division of Pediatric Endocrinology, Departments of Pediatrics, University of Michigan, Ann Arbor, Michigan 48105, USA (D.P.O.); Cardiovascular and Metabolic Diseases, Novartis Institutes for BioMedical Research, 100 Technology Square, Cambridge, Massachusetts 02139, USA (L.V.). [3]. ; Division of Endocrinology, Diabetes and Metabolism, Department of Medicine, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts 02215, USA. ; 1] Division of Endocrinology, Diabetes and Metabolism, Department of Medicine, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts 02215, USA [2] Diabetes, Endocrinology and Obesity Branch, National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Bethesda, Maryland 20892, USA (M.J.K.); National Institute on Drug Abuse, National Institutes of Health, Baltimore, Maryland 21224, USA (M.J.K.); Cardiovascular and Metabolic Diseases, Pfizer, 610 Main Street, Cambridge, Massachusetts 02139, USA (B.P.S.); Division of Pediatric Endocrinology, Departments of Pediatrics, University of Michigan, Ann Arbor, Michigan 48105, USA (D.P.O.); Cardiovascular and Metabolic Diseases, Novartis Institutes for BioMedical Research, 100 Technology Square, Cambridge, Massachusetts 02139, USA (L.V.). ; 1] Department of Cell Biology, Harvard Medical School, Boston, Massachusetts 02115, USA [2] Program in Neuroscience, Harvard Medical School, Boston, Massachusetts 02115, USA. ; 1] Division of Endocrinology, Diabetes and Metabolism, Department of Medicine, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts 02215, USA [2] Center for Integrative Physiology, University of Edinburgh, Edinburgh EH8 9XD, UK. ; Division of Pediatric Endocrinology, Departments of Pediatrics, University of Michigan, Ann Arbor, Michigan 48105, USA. ; Center for Brain Science, Department of Molecular and Cellular Biology, Harvard University, 16 Divinity Avenue, Cambridge, Massachusetts 02138, USA. ; 1] Program in Neuroscience, Harvard Medical School, Boston, Massachusetts 02115, USA [2] Center for Brain Science, Department of Molecular and Cellular Biology, Harvard University, 16 Divinity Avenue, Cambridge, Massachusetts 02138, USA. ; 1] Division of Endocrinology, Diabetes and Metabolism, Department of Medicine, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts 02215, USA [2] Program in Neuroscience, Harvard Medical School, Boston, Massachusetts 02115, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24487620" target="_blank"〉PubMed〈/a〉
    Keywords: Agouti-Related Protein/deficiency/*metabolism ; Animals ; Appetite/drug effects/physiology ; Arcuate Nucleus of Hypothalamus/cytology/metabolism ; Brain Mapping ; Cell Tracking ; Clozapine/analogs & derivatives/pharmacology ; Dependovirus/genetics ; Eating/drug effects/physiology ; Female ; Food Deprivation ; Hunger/drug effects/*physiology ; Integrases/metabolism ; Male ; Mice ; Neural Pathways/drug effects/*physiology ; Neuronal Plasticity/drug effects/physiology ; Neurons/drug effects/*metabolism ; Neurons, Afferent/drug effects/metabolism ; Paraventricular Hypothalamic Nucleus/cytology/*physiology ; Peptide Fragments/deficiency/metabolism ; Pituitary Adenylate Cyclase-Activating Polypeptide/metabolism ; Rabies virus/genetics ; Satiety Response/physiology ; Thyrotropin-Releasing Hormone/metabolism
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  • 190
    Publication Date: 2014-01-18
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Green, Robert C -- Farahany, Nita A -- England -- Nature. 2014 Jan 16;505(7483):286-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24436984" target="_blank"〉PubMed〈/a〉
    Keywords: Consumer Advocacy/*legislation & jurisprudence ; Female ; Genes, BRCA1 ; Genetic Counseling/ethics/*legislation & jurisprudence/psychology/standards ; Genetic Testing/ethics/*legislation & jurisprudence/standards/statistics & ; numerical data ; Genetics, Medical/ethics/*legislation & jurisprudence/standards ; Genomics/ethics/*legislation & jurisprudence/standards ; Hereditary Breast and Ovarian Cancer Syndrome/genetics ; Humans ; Stress, Psychological/etiology ; United States ; United States Food and Drug Administration/*legislation & jurisprudence
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  • 191
    Publication Date: 2014-10-03
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Whiten, Andrew -- England -- Nature. 2014 Oct 9;514(7521):178-9. doi: 10.1038/nature13759. Epub 2014 Oct 1.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Centre for Social Learning and Cognitive Evolution, School of Psychology and Neuroscience, University of St Andrews, St Andrews KY16 9JP, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25274304" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Female ; Male ; *Models, Psychological ; Pan troglodytes/*psychology ; *Social Behavior ; *Tool Use Behavior
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  • 192
    Publication Date: 2014-08-30
    Description: Without an approved vaccine or treatments, Ebola outbreak management has been limited to palliative care and barrier methods to prevent transmission. These approaches, however, have yet to end the 2014 outbreak of Ebola after its prolonged presence in West Africa. Here we show that a combination of monoclonal antibodies (ZMapp), optimized from two previous antibody cocktails, is able to rescue 100% of rhesus macaques when treatment is initiated up to 5 days post-challenge. High fever, viraemia and abnormalities in blood count and blood chemistry were evident in many animals before ZMapp intervention. Advanced disease, as indicated by elevated liver enzymes, mucosal haemorrhages and generalized petechia could be reversed, leading to full recovery. ELISA and neutralizing antibody assays indicate that ZMapp is cross-reactive with the Guinean variant of Ebola. ZMapp exceeds the efficacy of any other therapeutics described so far, and results warrant further development of this cocktail for clinical use.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4214273/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4214273/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Qiu, Xiangguo -- Wong, Gary -- Audet, Jonathan -- Bello, Alexander -- Fernando, Lisa -- Alimonti, Judie B -- Fausther-Bovendo, Hugues -- Wei, Haiyan -- Aviles, Jenna -- Hiatt, Ernie -- Johnson, Ashley -- Morton, Josh -- Swope, Kelsi -- Bohorov, Ognian -- Bohorova, Natasha -- Goodman, Charles -- Kim, Do -- Pauly, Michael H -- Velasco, Jesus -- Pettitt, James -- Olinger, Gene G -- Whaley, Kevin -- Xu, Bianli -- Strong, James E -- Zeitlin, Larry -- Kobinger, Gary P -- U19 AI109762/AI/NIAID NIH HHS/ -- U19AI109762/AI/NIAID NIH HHS/ -- Canadian Institutes of Health Research/Canada -- England -- Nature. 2014 Oct 2;514(7520):47-53. doi: 10.1038/nature13777. Epub 2014 Aug 29.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉National Laboratory for Zoonotic Diseases and Special Pathogens, Public Health Agency of Canada, Winnipeg, Manitoba R3E 3R2, Canada. ; 1] National Laboratory for Zoonotic Diseases and Special Pathogens, Public Health Agency of Canada, Winnipeg, Manitoba R3E 3R2, Canada [2] Department of Medical Microbiology, University of Manitoba, Winnipeg, Manitoba R3E 0J9, Canada. ; 1] National Laboratory for Zoonotic Diseases and Special Pathogens, Public Health Agency of Canada, Winnipeg, Manitoba R3E 3R2, Canada [2] Institute of Infectious Disease, Henan Centre for Disease Control and Prevention, Zhengzhou, 450012 Henan, China. ; Kentucky BioProcessing, Owensboro, Kentucky 42301, USA. ; Mapp Biopharmaceutical Inc., San Diego, California 92121, USA. ; 1] United States Army Medical Research Institute of Infectious Diseases (USAMRIID), Frederick, Maryland 21702, USA [2] Integrated Research Facility, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Frederick, Maryland 21702, USA. ; Institute of Infectious Disease, Henan Centre for Disease Control and Prevention, Zhengzhou, 450012 Henan, China. ; 1] National Laboratory for Zoonotic Diseases and Special Pathogens, Public Health Agency of Canada, Winnipeg, Manitoba R3E 3R2, Canada [2] Department of Medical Microbiology, University of Manitoba, Winnipeg, Manitoba R3E 0J9, Canada [3] Department of Pediatrics and Child Health, University of Manitoba, Winnipeg, Manitoba R3A 1S1, Canada. ; 1] National Laboratory for Zoonotic Diseases and Special Pathogens, Public Health Agency of Canada, Winnipeg, Manitoba R3E 3R2, Canada [2] Department of Medical Microbiology, University of Manitoba, Winnipeg, Manitoba R3E 0J9, Canada [3] Department of Immunology, University of Manitoba, Winnipeg, Manitoba R3E 0T5, Canada [4] Department of Pathology and Laboratory Medicine, University of Pennsylvania School of Medicine, Philadelphia, Pennsylvania 19104, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25171469" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Antibodies, Monoclonal/immunology/*therapeutic use ; Antibodies, Neutralizing/immunology/therapeutic use ; Antibodies, Viral/immunology/*therapeutic use ; Cross Reactions/immunology ; Ebolavirus/immunology ; Enzyme-Linked Immunosorbent Assay ; Female ; Guinea ; Guinea Pigs ; Hemorrhagic Fever, Ebola/blood/*drug therapy/immunology/virology ; *Immunization, Passive ; Macaca mulatta/immunology/virology ; Male ; Molecular Sequence Data ; Sequence Alignment ; Viral Envelope Proteins/chemistry/immunology ; Viremia/drug therapy/immunology/virology
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  • 193
    Publication Date: 2014-11-05
    Description: The genetic architecture of autism spectrum disorder involves the interplay of common and rare variants and their impact on hundreds of genes. Using exome sequencing, here we show that analysis of rare coding variation in 3,871 autism cases and 9,937 ancestry-matched or parental controls implicates 22 autosomal genes at a false discovery rate (FDR) 〈 0.05, plus a set of 107 autosomal genes strongly enriched for those likely to affect risk (FDR 〈 0.30). These 107 genes, which show unusual evolutionary constraint against mutations, incur de novo loss-of-function mutations in over 5% of autistic subjects. Many of the genes implicated encode proteins for synaptic formation, transcriptional regulation and chromatin-remodelling pathways. These include voltage-gated ion channels regulating the propagation of action potentials, pacemaking and excitability-transcription coupling, as well as histone-modifying enzymes and chromatin remodellers-most prominently those that mediate post-translational lysine methylation/demethylation modifications of histones.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4402723/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4402723/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉De Rubeis, Silvia -- He, Xin -- Goldberg, Arthur P -- Poultney, Christopher S -- Samocha, Kaitlin -- Cicek, A Erucment -- Kou, Yan -- Liu, Li -- Fromer, Menachem -- Walker, Susan -- Singh, Tarinder -- Klei, Lambertus -- Kosmicki, Jack -- Shih-Chen, Fu -- Aleksic, Branko -- Biscaldi, Monica -- Bolton, Patrick F -- Brownfeld, Jessica M -- Cai, Jinlu -- Campbell, Nicholas G -- Carracedo, Angel -- Chahrour, Maria H -- Chiocchetti, Andreas G -- Coon, Hilary -- Crawford, Emily L -- Curran, Sarah R -- Dawson, Geraldine -- Duketis, Eftichia -- Fernandez, Bridget A -- Gallagher, Louise -- Geller, Evan -- Guter, Stephen J -- Hill, R Sean -- Ionita-Laza, Juliana -- Jimenz Gonzalez, Patricia -- Kilpinen, Helena -- Klauck, Sabine M -- Kolevzon, Alexander -- Lee, Irene -- Lei, Irene -- Lei, Jing -- Lehtimaki, Terho -- Lin, Chiao-Feng -- Ma'ayan, Avi -- Marshall, Christian R -- McInnes, Alison L -- Neale, Benjamin -- Owen, Michael J -- Ozaki, Noriio -- Parellada, Mara -- Parr, Jeremy R -- Purcell, Shaun -- Puura, Kaija -- Rajagopalan, Deepthi -- Rehnstrom, Karola -- Reichenberg, Abraham -- Sabo, Aniko -- Sachse, Michael -- Sanders, Stephan J -- Schafer, Chad -- Schulte-Ruther, Martin -- Skuse, David -- Stevens, Christine -- Szatmari, Peter -- Tammimies, Kristiina -- Valladares, Otto -- Voran, Annette -- Li-San, Wang -- Weiss, Lauren A -- Willsey, A Jeremy -- Yu, Timothy W -- Yuen, Ryan K C -- DDD Study -- Homozygosity Mapping Collaborative for Autism -- UK10K Consortium -- Cook, Edwin H -- Freitag, Christine M -- Gill, Michael -- Hultman, Christina M -- Lehner, Thomas -- Palotie, Aaarno -- Schellenberg, Gerard D -- Sklar, Pamela -- State, Matthew W -- Sutcliffe, James S -- Walsh, Christiopher A -- Scherer, Stephen W -- Zwick, Michael E -- Barett, Jeffrey C -- Cutler, David J -- Roeder, Kathryn -- Devlin, Bernie -- Daly, Mark J -- Buxbaum, Joseph D -- 5UL1 RR024975/RR/NCRR NIH HHS/ -- MH077139/MH/NIMH NIH HHS/ -- MH089482/MH/NIMH NIH HHS/ -- MH095034/MH/NIMH NIH HHS/ -- P30 HD15052/HD/NICHD NIH HHS/ -- P50 HD055751/HD/NICHD NIH HHS/ -- R01 MH061009/MH/NIMH NIH HHS/ -- R01 MH083565/MH/NIMH NIH HHS/ -- R01 MH089482/MH/NIMH NIH HHS/ -- R01 MH094400/MH/NIMH NIH HHS/ -- R01 MH095797/MH/NIMH NIH HHS/ -- R01 MH097849/MH/NIMH NIH HHS/ -- R01 MH100229/MH/NIMH NIH HHS/ -- R01 NS073601/NS/NINDS NIH HHS/ -- R01MH083565/MH/NIMH NIH HHS/ -- R01MH089208/MH/NIMH NIH HHS/ -- R37 MH057881/MH/NIMH NIH HHS/ -- RC2MH089952/MH/NIMH NIH HHS/ -- T32 HG002295/HG/NHGRI NIH HHS/ -- U01 MH100209/MH/NIMH NIH HHS/ -- U01 MH100229/MH/NIMH NIH HHS/ -- U01 MH100233/MH/NIMH NIH HHS/ -- U01 MH100239/MH/NIMH NIH HHS/ -- U01MH100209/MH/NIMH NIH HHS/ -- U01MH100229/MH/NIMH NIH HHS/ -- U01MH100233/MH/NIMH NIH HHS/ -- U01MH100239/MH/NIMH NIH HHS/ -- U54 HG003067/HG/NHGRI NIH HHS/ -- UL1TR000445/TR/NCATS NIH HHS/ -- WT091310/Wellcome Trust/United Kingdom -- WT098051/Wellcome Trust/United Kingdom -- Howard Hughes Medical Institute/ -- England -- Nature. 2014 Nov 13;515(7526):209-15. doi: 10.1038/nature13772. Epub 2014 Oct 29.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25363760" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Child Development Disorders, Pervasive/*genetics/pathology ; Chromatin/*genetics/metabolism ; Chromatin Assembly and Disassembly ; Exome/genetics ; Female ; Genetic Predisposition to Disease/*genetics ; Germ-Line Mutation/genetics ; Humans ; Male ; Molecular Sequence Data ; Mutation/*genetics ; Mutation, Missense/genetics ; Nerve Net/metabolism ; Odds Ratio ; Synapses/*metabolism ; Transcription, Genetic/*genetics
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  • 194
    Publication Date: 2014-02-04
    Description: Translating the behavioural output of the nervous system into movement involves interaction between brain and spinal cord. The brainstem provides an essential bridge between the two structures, but circuit-level organization and function of this intermediary system remain poorly understood. Here we use intersectional virus tracing and genetic strategies in mice to reveal a selective synaptic connectivity matrix between brainstem substructures and functionally distinct spinal motor neurons that regulate limb movement. The brainstem nucleus medullary reticular formation ventral part (MdV) stands out as specifically targeting subpopulations of forelimb-innervating motor neurons. Its glutamatergic premotor neurons receive synaptic input from key upper motor centres and are recruited during motor tasks. Selective neuronal ablation or silencing experiments reveal that MdV is critically important specifically for skilled motor behaviour, including accelerating rotarod and single-food-pellet reaching tasks. Our results indicate that distinct premotor brainstem nuclei access spinal subcircuits to mediate task-specific aspects of motor programs.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Esposito, Maria Soledad -- Capelli, Paolo -- Arber, Silvia -- England -- Nature. 2014 Apr 17;508(7496):351-6. doi: 10.1038/nature13023. Epub 2014 Feb 2.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉1] Biozentrum, Department of Cell Biology, University of Basel, Basel 4056, Switzerland [2] Friedrich Miescher Institute for Biomedical Research, Basel 4058, Switzerland.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24487621" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Female ; Forelimb/*innervation/*physiology ; Interneurons/metabolism ; Male ; Medulla Oblongata/anatomy & histology/cytology ; Mice ; Motor Neurons/*physiology ; Motor Skills/*physiology ; Movement/*physiology ; Reticular Formation/*anatomy & histology/*cytology ; Rotarod Performance Test ; Spinal Cord/cytology ; Synapses/metabolism
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  • 195
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    Nature Publishing Group (NPG)
    Publication Date: 2014-04-04
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Erler, Janine T -- England -- Nature. 2014 Apr 3;508(7494):46-7. doi: 10.1038/508046a.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Biotech Research and Innovation Centre (BRIC), University of Copenhagen, Copenhagen 2200, Denmark.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24695307" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Brain/*metabolism ; Brain Neoplasms/*metabolism/*secondary ; Female ; Fibrinolysin/*metabolism ; Humans ; Neuropeptides/*metabolism ; Plasminogen Activator Inhibitor 2/*metabolism ; Serpins/*metabolism
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  • 196
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    Publication Date: 2014-02-14
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Shaffer, Stephen -- England -- Nature. 2014 Feb 13;506(7487):159. doi: 10.1038/506159b.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Endicott, New York, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24522588" target="_blank"〉PubMed〈/a〉
    Keywords: Female ; Humans ; Male ; *Safety Management ; *Universities ; Violence/*prevention & control
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  • 197
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    Publication Date: 2014-10-25
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Maxwell, Sean -- England -- Nature. 2014 Oct 23;514(7523):434. doi: 10.1038/514434d.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉University of Queensland, Brisbane, Australia.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25341775" target="_blank"〉PubMed〈/a〉
    Keywords: Conservation of Natural Resources/*trends ; Female ; *Goals ; Humans ; *Policy Making ; Pregnancy ; United Nations/*organization & administration
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  • 198
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    Nature Publishing Group (NPG)
    Publication Date: 2014-05-30
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kessler, Rebecca -- England -- Nature. 2014 May 29;509(7502):S62-3. doi: 10.1038/509S62a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24870824" target="_blank"〉PubMed〈/a〉
    Keywords: Air Pollution/adverse effects/analysis ; Carcinogens/analysis/*toxicity ; Child ; China ; Disease Susceptibility ; Endocrine Disruptors/adverse effects ; Environmental Exposure/*adverse effects/*prevention & control ; Environmental Pollution/*adverse effects/prevention & control/statistics & ; numerical data ; Epigenesis, Genetic/drug effects ; Female ; Humans ; Life Style ; Neoplasms/*chemically induced/genetics/*prevention & control ; Occupational Exposure/adverse effects/statistics & numerical data ; Particulate Matter/adverse effects ; Pregnancy ; Risk Reduction Behavior ; Tetrachloroethylene/adverse effects ; Time Factors ; United States ; United States Environmental Protection Agency ; World Health Organization
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  • 199
    Publication Date: 2014-01-31
    Description: In parallel to the genetic code for protein synthesis, a second layer of information is embedded in all RNA transcripts in the form of RNA structure. RNA structure influences practically every step in the gene expression program. However, the nature of most RNA structures or effects of sequence variation on structure are not known. Here we report the initial landscape and variation of RNA secondary structures (RSSs) in a human family trio (mother, father and their child). This provides a comprehensive RSS map of human coding and non-coding RNAs. We identify unique RSS signatures that demarcate open reading frames and splicing junctions, and define authentic microRNA-binding sites. Comparison of native deproteinized RNA isolated from cells versus refolded purified RNA suggests that the majority of the RSS information is encoded within RNA sequence. Over 1,900 transcribed single nucleotide variants (approximately 15% of all transcribed single nucleotide variants) alter local RNA structure. We discover simple sequence and spacing rules that determine the ability of point mutations to impact RSSs. Selective depletion of 'riboSNitches' versus structurally synonymous variants at precise locations suggests selection for specific RNA shapes at thousands of sites, including 3' untranslated regions, binding sites of microRNAs and RNA-binding proteins genome-wide. These results highlight the potentially broad contribution of RNA structure and its variation to gene regulation.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3973747/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3973747/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wan, Yue -- Qu, Kun -- Zhang, Qiangfeng Cliff -- Flynn, Ryan A -- Manor, Ohad -- Ouyang, Zhengqing -- Zhang, Jiajing -- Spitale, Robert C -- Snyder, Michael P -- Segal, Eran -- Chang, Howard Y -- P30 CA034196/CA/NCI NIH HHS/ -- R01 HG004361/HG/NHGRI NIH HHS/ -- R01-HG004361/HG/NHGRI NIH HHS/ -- T32 CA009302/CA/NCI NIH HHS/ -- Howard Hughes Medical Institute/ -- England -- Nature. 2014 Jan 30;505(7485):706-9. doi: 10.1038/nature12946.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉1] Howard Hughes Medical Institute and Program in Epithelial Biology, Stanford University School of Medicine, Stanford, California 94305, USA [2] Stem Cell and Development, Genome Institute of Singapore, 60 Biopolis Street, Singapore 138672 [3]. ; 1] Howard Hughes Medical Institute and Program in Epithelial Biology, Stanford University School of Medicine, Stanford, California 94305, USA [2]. ; Howard Hughes Medical Institute and Program in Epithelial Biology, Stanford University School of Medicine, Stanford, California 94305, USA. ; Department of Computer Science and Applied Mathematics, Weizmann Institute of Science, Rehovet 76100, Israel. ; 1] Howard Hughes Medical Institute and Program in Epithelial Biology, Stanford University School of Medicine, Stanford, California 94305, USA [2] The Jackson Laboratory for Genomic Medicine, 263 Farmington Avenue, ASB Call Box 901 Farmington, Connecticut 06030, USA. ; Department of Genetics, Stanford University School of Medicine, Stanford, California 94305, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24476892" target="_blank"〉PubMed〈/a〉
    Keywords: 3' Untranslated Regions/genetics ; Base Sequence ; Binding Sites ; Child ; Female ; Gene Expression Regulation/genetics ; Genome, Human/genetics ; Humans ; Male ; MicroRNAs/chemistry/genetics/metabolism ; *Nucleic Acid Conformation ; Open Reading Frames/genetics ; Point Mutation/genetics ; RNA/*chemistry/*genetics/metabolism ; RNA Splice Sites/genetics ; RNA-Binding Proteins/metabolism ; Transcriptome/*genetics
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 200
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    Nature Publishing Group (NPG)
    Publication Date: 2014-07-06
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hayden, Erika Check -- England -- Nature. 2014 Jul 3;511(7507):19-21. doi: 10.1038/511019a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24990726" target="_blank"〉PubMed〈/a〉
    Keywords: Academies and Institutes/*economics/organization & administration ; Adolescent ; California ; Conflict of Interest ; Female ; Humans ; Investments ; *Public Opinion ; Regenerative Medicine/*economics/organization & administration ; *Research Support as Topic ; Stem Cell Research/*economics ; Translational Medical Research/economics/trends
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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