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  • Mice  (1,033)
  • *Biological Evolution
  • American Association for the Advancement of Science (AAAS)  (1,264)
  • 2015-2019  (263)
  • 1995-1999  (1,001)
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  • 101
    Publication Date: 2015-10-31
    Description: Light mechanical stimulation of hairy skin can induce a form of itch known as mechanical itch. This itch sensation is normally suppressed by inputs from mechanoreceptors; however, in many forms of chronic itch, including alloknesis, this gating mechanism is lost. Here we demonstrate that a population of spinal inhibitory interneurons that are defined by the expression of neuropeptide Y::Cre (NPY::Cre) act to gate mechanical itch. Mice in which dorsal NPY::Cre-derived neurons are selectively ablated or silenced develop mechanical itch without an increase in sensitivity to chemical itch or pain. This chronic itch state is histamine-independent and is transmitted independently of neurons that express the gastrin-releasing peptide receptor. Thus, our studies reveal a dedicated spinal cord inhibitory pathway that gates the transmission of mechanical itch.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4700934/" 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/PMC4700934/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bourane, Steeve -- Duan, Bo -- Koch, Stephanie C -- Dalet, Antoine -- Britz, Olivier -- Garcia-Campmany, Lidia -- Kim, Euiseok -- Cheng, Longzhen -- Ghosh, Anirvan -- Ma, Qiufu -- Goulding, Martyn -- NS072031/NS/NINDS NIH HHS/ -- NS072040/NS/NINDS NIH HHS/ -- NS080586/NS/NINDS NIH HHS/ -- NS086372/NS/NINDS NIH HHS/ -- P01 NS072040/NS/NINDS NIH HHS/ -- P30 NS072031/NS/NINDS NIH HHS/ -- R01 NS 067216/NS/NINDS NIH HHS/ -- R01 NS080586/NS/NINDS NIH HHS/ -- R01 NS086372/NS/NINDS NIH HHS/ -- New York, N.Y. -- Science. 2015 Oct 30;350(6260):550-4. doi: 10.1126/science.aac8653.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Molecular Neurobiology Laboratory, The Salk Institute for Biological Studies, 10010 North Torrey Pines Road, La Jolla, CA 92037, USA. ; Dana-Farber Cancer Institute and Department of Neurobiology, Harvard Medical School, 1 Jimmy Fund Way, Boston, MA 02115, USA. ; Neurobiology Section, Division of Biological Sciences, University of California, San Diego, CA 92093, USA. ; Dana-Farber Cancer Institute and Department of Neurobiology, Harvard Medical School, 1 Jimmy Fund Way, Boston, MA 02115, USA. Institute of Brain Science and State Key Laboratory of Medical Neurobiology, Fudan University, Shanghai 200032, China. ; Dana-Farber Cancer Institute and Department of Neurobiology, Harvard Medical School, 1 Jimmy Fund Way, Boston, MA 02115, USA. goulding@salk.edu qiufu_ma@dfci.harvard.edu. ; Molecular Neurobiology Laboratory, The Salk Institute for Biological Studies, 10010 North Torrey Pines Road, La Jolla, CA 92037, USA. goulding@salk.edu qiufu_ma@dfci.harvard.edu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26516282" target="_blank"〉PubMed〈/a〉
    Keywords: Action Potentials ; Animals ; Hair/physiology ; Interneurons/*physiology ; Mechanoreceptors/physiology ; Mechanotransduction, Cellular/genetics/*physiology ; Mice ; Mice, Transgenic ; *Neural Inhibition ; Neuropeptide Y/genetics/physiology ; Pruritus/*physiopathology ; Skin/innervation ; Spinal Cord/*physiology ; *Synaptic Transmission
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  • 102
    Publication Date: 2015-05-16
    Description: In animal gonads, PIWI-clade Argonaute proteins repress transposons sequence-specifically via bound Piwi-interacting RNAs (piRNAs). These are processed from single-stranded precursor RNAs by largely unknown mechanisms. Here we show that primary piRNA biogenesis is a 3'-directed and phased process that, in the Drosophila germ line, is initiated by secondary piRNA-guided transcript cleavage. Phasing results from consecutive endonucleolytic cleavages catalyzed by Zucchini, implying coupled formation of 3' and 5' ends of flanking piRNAs. Unexpectedly, Zucchini also participates in 3' end formation of secondary piRNAs. Its function can, however, be bypassed by downstream piRNA-guided precursor cleavages coupled to exonucleolytic trimming. Our data uncover an evolutionarily conserved piRNA biogenesis mechanism in which Zucchini plays a central role in defining piRNA 5' and 3' ends.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Mohn, Fabio -- Handler, Dominik -- Brennecke, Julius -- New York, N.Y. -- Science. 2015 May 15;348(6236):812-7. doi: 10.1126/science.aaa1039.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institute of Molecular Biotechnology of the Austrian Academy of Sciences (IMBA), Dr. Bohrgasse 3, 1030 Vienna, Austria. ; Institute of Molecular Biotechnology of the Austrian Academy of Sciences (IMBA), Dr. Bohrgasse 3, 1030 Vienna, Austria. julius.brennecke@imba.oeaw.ac.at.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25977553" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Drosophila Proteins/genetics/*metabolism ; Drosophila melanogaster/*enzymology/genetics ; Endoribonucleases/genetics/*metabolism ; Evolution, Molecular ; Female ; Germ Cells/enzymology ; Male ; Mice ; Ovary/enzymology ; *RNA Cleavage ; RNA, Guide/*metabolism ; RNA, Small Interfering/biosynthesis/*metabolism ; RNA-Binding Proteins/genetics ; Testis/enzymology ; *Transcription, Genetic ; Uridine/metabolism
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  • 103
    Publication Date: 2015-06-20
    Description: Villmoare et al. (Reports, 20 March 2015, p. 1352) report on a hominin mandible from the Ledi-Geraru research area, Ethiopia, which they claim to be the earliest known representative of the genus Homo. However, certain measurements and observations for Australopithecus sediba mandibles presented are incorrect or are not included in critical aspects of the study. When correctly used, these data demonstrate that specimen LD 350-1 cannot be unequivocally assigned to the genus Homo.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hawks, John -- de Ruiter, Darryl J -- Berger, Lee R -- New York, N.Y. -- Science. 2015 Jun 19;348(6241):1326. doi: 10.1126/science.aab0591.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Anthropology, University of Wisconsin, Madison, WI 53706, USA. Institute for Human Evolution, University of the Witwatersrand, Johannesburg, South Africa. jhawks@wisc.edu. ; Institute for Human Evolution, University of the Witwatersrand, Johannesburg, South Africa. Department of Anthropology, Texas A&M University, College Station, TX 77843, USA. ; Institute for Human Evolution, University of the Witwatersrand, Johannesburg, South Africa.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26089505" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biological Evolution ; Hominidae/*anatomy & histology ; Humans
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  • 104
    Publication Date: 2015-10-24
    Description: Mammalian sleep comprises rapid eye movement (REM) sleep and non-REM (NREM) sleep. To functionally isolate from the complex mixture of neurons populating the brainstem pons those involved in switching between REM and NREM sleep, we chemogenetically manipulated neurons of a specific embryonic cell lineage in mice. We identified excitatory glutamatergic neurons that inhibit REM sleep and promote NREM sleep. These neurons shared a common developmental origin with neurons promoting wakefulness; both derived from a pool of proneural hindbrain cells expressing Atoh1 at embryonic day 10.5. We also identified inhibitory gamma-aminobutyric acid-releasing neurons that act downstream to inhibit REM sleep. Artificial reduction or prolongation of REM sleep in turn affected slow-wave activity during subsequent NREM sleep, implicating REM sleep in the regulation of NREM sleep.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hayashi, Yu -- Kashiwagi, Mitsuaki -- Yasuda, Kosuke -- Ando, Reiko -- Kanuka, Mika -- Sakai, Kazuya -- Itohara, Shigeyoshi -- New York, N.Y. -- Science. 2015 Nov 20;350(6263):957-61. doi: 10.1126/science.aad1023. Epub 2015 Oct 22.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉International Institute for Integrative Sleep Medicine (WPI-IIIS), University of Tsukuba, 1-1-1 Tennodai Tsukuba, Ibaraki 305-8575, Japan. Japan Science and Technology Agency (JST), PRESTO, 4-1-8 Honcho Kawaguchi, Saitama 332-0012, Japan. hayashi.yu.fp@u.tsukuba.ac.jp sitohara@brain.riken.jp. ; International Institute for Integrative Sleep Medicine (WPI-IIIS), University of Tsukuba, 1-1-1 Tennodai Tsukuba, Ibaraki 305-8575, Japan. ; Laboratory for Behavioral Genetics, Brain Science Institute, RIKEN, 2-1 Hirosawa, Wako-city, Saitama 351-0198, Japan. ; Integrative Physiology of the Brain Arousal System, Lyon Neuroscience Research Center, INSERM U1028-CNRS UMR5292, School of Medicine, Claude Bernard University Lyon 1, F-69373 Lyon, France. ; Laboratory for Behavioral Genetics, Brain Science Institute, RIKEN, 2-1 Hirosawa, Wako-city, Saitama 351-0198, Japan. hayashi.yu.fp@u.tsukuba.ac.jp sitohara@brain.riken.jp.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26494173" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Basic Helix-Loop-Helix Transcription Factors/genetics/metabolism ; Brain Stem/cytology/physiology ; Cell Lineage ; Cell Separation ; Female ; Glutamates/metabolism ; Male ; Mice ; Mice, Transgenic ; Neurons/metabolism/*physiology ; Pons/cytology/physiology ; Rhombencephalon/*cytology/*embryology ; Sleep, REM/*physiology ; Wakefulness/*physiology ; gamma-Aminobutyric Acid
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  • 105
    Publication Date: 2015-03-21
    Description: Deterioration of adult stem cells accounts for much of aging-associated compromised tissue maintenance. How stem cells maintain metabolic homeostasis remains elusive. Here, we identified a regulatory branch of the mitochondrial unfolded protein response (UPR(mt)), which is mediated by the interplay of SIRT7 and NRF1 and is coupled to cellular energy metabolism and proliferation. SIRT7 inactivation caused reduced quiescence, increased mitochondrial protein folding stress (PFS(mt)), and compromised regenerative capacity of hematopoietic stem cells (HSCs). SIRT7 expression was reduced in aged HSCs, and SIRT7 up-regulation improved the regenerative capacity of aged HSCs. These findings define the deregulation of a UPR(mt)-mediated metabolic checkpoint as a reversible contributing factor for HSC aging.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4447312/" 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/PMC4447312/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Mohrin, Mary -- Shin, Jiyung -- Liu, Yufei -- Brown, Katharine -- Luo, Hanzhi -- Xi, Yannan -- Haynes, Cole M -- Chen, Danica -- R01 AG040990/AG/NIA NIH HHS/ -- R01AG040061/AG/NIA NIH HHS/ -- T32 AG000266/AG/NIA NIH HHS/ -- New York, N.Y. -- Science. 2015 Mar 20;347(6228):1374-7. doi: 10.1126/science.aaa2361.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Program in Metabolic Biology, Nutritional Sciences and Toxicology, University of California, Berkeley, CA 94720, USA. ; Department of Molecular and Cell Biology, University of California, Berkeley, CA 94720, USA. ; Cell Biology Program, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA. Biochemistry, Cell and Molecular Biology Allied Program, Weill Cornell Medical College, 1300 York Avenue, New York, NY, USA. ; Program in Metabolic Biology, Nutritional Sciences and Toxicology, University of California, Berkeley, CA 94720, USA. danicac@berkeley.edu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25792330" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Cell Aging ; *Cell Cycle Checkpoints ; Energy Metabolism ; HEK293 Cells ; Hematopoietic Stem Cells/metabolism/*physiology ; Humans ; Mice ; Mice, Mutant Strains ; Mitochondria/*metabolism ; Mitochondrial Proteins/genetics/*metabolism ; Nuclear Respiratory Factor 1/*metabolism ; Protein Biosynthesis ; Sirtuins/genetics/*metabolism ; *Unfolded Protein Response
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  • 106
    Publication Date: 2015-09-19
    Description: Throughout life, neural stem cells (NSCs) generate neurons in the mammalian brain. Using photobleaching experiments, we found that during cell division in vitro and within the developing mouse forebrain, NSCs generate a lateral diffusion barrier in the membrane of the endoplasmic reticulum, thereby promoting asymmetric segregation of cellular components. The diffusion barrier weakens with age and in response to impairment of lamin-associated nuclear envelope constituents. Weakening of the diffusion barrier disrupts asymmetric segregation of damaged proteins, a product of aging. Damaged proteins are asymmetrically inherited by the nonstem daughter cell in embryonic and young adult NSC divisions, whereas in the older adult brain, damaged proteins are more symmetrically distributed between progeny. Thus, these data identify a mechanism of how damage that accumulates with age is asymmetrically distributed during somatic stem cell division.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Moore, D L -- Pilz, G A -- Arauzo-Bravo, M J -- Barral, Y -- Jessberger, S -- New York, N.Y. -- Science. 2015 Sep 18;349(6254):1334-8. doi: 10.1126/science.aac9868.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Brain Research Institute, Faculty of Medicine and Science, University of Zurich, 8057 Zurich, Switzerland. ; Biodonostia Health Research Institute, 20014 San Sebastian, Spain. IKERBASQUE, Basque Foundation for Science, 48013 Bilbao, Spain. ; Institute of Biochemistry, Department of Biology, ETH Zurich, 8093 Zurich, Switzerland. ; Brain Research Institute, Faculty of Medicine and Science, University of Zurich, 8057 Zurich, Switzerland. jessberger@hifo.uzh.ch.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26383951" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Cell Aging ; *Cell Division ; Diffusion ; Endoplasmic Reticulum/physiology/ultrastructure ; Intracellular Membranes/physiology/ultrastructure ; Lamin Type A/*metabolism ; Mice ; Neural Stem Cells/*cytology/*metabolism ; Photobleaching ; Prosencephalon/cytology/growth & development/metabolism ; Protein Transport
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  • 107
    Publication Date: 2015-05-30
    Description: Memory consolidation is the process by which a newly formed and unstable memory transforms into a stable long-term memory. It is unknown whether the process of memory consolidation occurs exclusively through the stabilization of memory engrams. By using learning-dependent cell labeling, we identified an increase of synaptic strength and dendritic spine density specifically in consolidated memory engram cells. Although these properties are lacking in engram cells under protein synthesis inhibitor-induced amnesia, direct optogenetic activation of these cells results in memory retrieval, and this correlates with retained engram cell-specific connectivity. We propose that a specific pattern of connectivity of engram cells may be crucial for memory information storage and that strengthened synapses in these cells critically contribute to the memory retrieval process.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ryan, Tomas J -- Roy, Dheeraj S -- Pignatelli, Michele -- Arons, Autumn -- Tonegawa, Susumu -- Howard Hughes Medical Institute/ -- New York, N.Y. -- Science. 2015 May 29;348(6238):1007-13. doi: 10.1126/science.aaa5542. Epub 2015 May 28.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉RIKEN-MIT Center for Neural Circuit Genetics at the Picower Institute for Learning and Memory, Department of Biology and Department of Brain and Cognitive Sciences, Massachusetts Institute of Technology, Cambridge, MA 02139, USA. Howard Hughes Medical Institute, Massachusetts Institute of Technology, Cambridge, MA 02139, USA. ; RIKEN-MIT Center for Neural Circuit Genetics at the Picower Institute for Learning and Memory, Department of Biology and Department of Brain and Cognitive Sciences, Massachusetts Institute of Technology, Cambridge, MA 02139, USA. ; RIKEN-MIT Center for Neural Circuit Genetics at the Picower Institute for Learning and Memory, Department of Biology and Department of Brain and Cognitive Sciences, Massachusetts Institute of Technology, Cambridge, MA 02139, USA. Howard Hughes Medical Institute, Massachusetts Institute of Technology, Cambridge, MA 02139, USA. tonegawa@mit.edu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26023136" target="_blank"〉PubMed〈/a〉
    Keywords: Amnesia, Retrograde/chemically induced/*physiopathology ; Amygdala/chemistry/physiopathology ; Animals ; Conditioning, Classical ; Dendrites/chemistry/pathology/*physiology ; Dentate Gyrus/chemistry/pathology/physiopathology ; Fluorescent Dyes/analysis ; Luminescent Proteins/analysis ; Memory, Long-Term/*physiology ; Mice ; Neuronal Plasticity/physiology ; Protein Synthesis Inhibitors/pharmacology ; Staining and Labeling ; Synapses/physiology
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  • 108
    Publication Date: 2015-02-24
    Description: Cope's rule proposes that animal lineages evolve toward larger body size over time. To test this hypothesis across all marine animals, we compiled a data set of body sizes for 17,208 genera of marine animals spanning the past 542 million years. Mean biovolume across genera has increased by a factor of 150 since the Cambrian, whereas minimum biovolume has decreased by less than a factor of 10, and maximum biovolume has increased by more than a factor of 100,000. Neutral drift from a small initial value cannot explain this pattern. Instead, most of the size increase reflects differential diversification across classes, indicating that the pattern does not reflect a simple scaling-up of widespread and persistent selection for larger size within populations.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Heim, Noel A -- Knope, Matthew L -- Schaal, Ellen K -- Wang, Steve C -- Payne, Jonathan L -- New York, N.Y. -- Science. 2015 Feb 20;347(6224):867-70. doi: 10.1126/science.1260065.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Geological and Environmental Sciences, Stanford University, 450 Serra Mall, Stanford, CA 94305, USA. naheim@stanford.edu. ; Department of Geological and Environmental Sciences, Stanford University, 450 Serra Mall, Stanford, CA 94305, USA. ; Department of Mathematics and Statistics, Swarthmore College, Swarthmore, PA 19081, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25700517" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Aquatic Organisms ; *Biological Evolution ; *Body Size
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  • 109
    Publication Date: 2015-03-21
    Description: Neuronal excitation is regulated by energy metabolism, and drug-resistant epilepsy can be suppressed by special diets. Here, we report that seizures and epileptiform activity are reduced by inhibition of the metabolic pathway via lactate dehydrogenase (LDH), a component of the astrocyte-neuron lactate shuttle. Inhibition of the enzyme LDH hyperpolarized neurons, which was reversed by the downstream metabolite pyruvate. LDH inhibition also suppressed seizures in vivo in a mouse model of epilepsy. We further found that stiripentol, a clinically used antiepileptic drug, is an LDH inhibitor. By modifying its chemical structure, we identified a previously unknown LDH inhibitor, which potently suppressed seizures in vivo. We conclude that LDH inhibitors are a promising new group of antiepileptic drugs.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sada, Nagisa -- Lee, Suni -- Katsu, Takashi -- Otsuki, Takemi -- Inoue, Tsuyoshi -- New York, N.Y. -- Science. 2015 Mar 20;347(6228):1362-7. doi: 10.1126/science.aaa1299.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biophysical Chemistry, Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama University, Okayama 700-8530, Japan. ; Department of Hygiene, Kawasaki Medical School, Kurashiki 701-0192, Japan. ; Department of Biophysical Chemistry, Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama University, Okayama 700-8530, Japan. tinoue@pharm.okayama-u.ac.jp.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25792327" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Anticonvulsants/chemistry/*pharmacology/therapeutic use ; Dioxolanes/chemistry/*pharmacology/therapeutic use ; Disease Models, Animal ; Enzyme Inhibitors/chemistry/*pharmacology/therapeutic use ; L-Lactate Dehydrogenase/*antagonists & inhibitors ; Membrane Potentials/drug effects ; Mice ; Mice, Inbred ICR ; Neurons/enzymology/physiology ; Patch-Clamp Techniques ; Safrole/chemistry/*pharmacology/therapeutic use ; Seizures/*drug therapy ; Subthalamic Nucleus/enzymology
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  • 110
    Publication Date: 2015-05-23
    Description: Innate lymphoid cells (ILCs) are a growing family of immune cells that mirror the phenotypes and functions of T cells. However, in contrast to T cells, ILCs do not express acquired antigen receptors or undergo clonal selection and expansion when stimulated. Instead, ILCs react promptly to signals from infected or injured tissues and produce an array of secreted proteins termed cytokines that direct the developing immune response into one that is adapted to the original insult. The complex cross-talk between microenvironment, ILCs, and adaptive immunity remains to be fully deciphered. Only by understanding these complex regulatory networks can the power of ILCs be controlled or unleashed in order to regulate or enhance immune responses in disease prevention and therapy.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Eberl, Gerard -- Colonna, Marco -- Di Santo, James P -- McKenzie, Andrew N J -- 100963/Wellcome Trust/United Kingdom -- 1U01AI095542/AI/NIAID NIH HHS/ -- MC_U105178805/Medical Research Council/United Kingdom -- R01DE021255/DE/NIDCR NIH HHS/ -- R21CA16719/CA/NCI NIH HHS/ -- Medical Research Council/United Kingdom -- Wellcome Trust/United Kingdom -- New York, N.Y. -- Science. 2015 May 22;348(6237):aaa6566. doi: 10.1126/science.aaa6566. Epub 2015 May 21.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institut Pasteur, Microenvironment and Immunity Unit, 75724 Paris, France. gerard.eberl@pasteur.fr. ; Department of Pathology and Immunology, Washington University School of Medicine, St. Louis, MO 63110, USA. ; Institut Pasteur, Innate Immunity Unit, INSERM U668, 75724 Paris, France. ; Medical Research Council (MRC) Laboratory of Molecular Biology, Francis Crick Avenue, Cambridge Biomedical Campus, Cambridge CB2 0QH, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25999512" target="_blank"〉PubMed〈/a〉
    Keywords: Adaptive Immunity ; Adipose Tissue/immunology ; *Biological Evolution ; Bone Marrow/immunology ; Cytokines/immunology ; Diet ; Humans ; *Immunity, Innate ; Immunotherapy ; Inflammation/immunology ; Liver/embryology/immunology ; Lymphocyte Activation ; Lymphocytes/*immunology ; Microbiota/immunology ; T-Lymphocytes/immunology
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  • 111
    Publication Date: 2015-10-17
    Description: Research in the genetics of neurodevelopmental disorders such as autism suggests that several hundred genes are likely risk factors for these disorders. This heterogeneity presents a challenge and an opportunity at the same time. Although the exact identity of many of the genes remains to be discovered, genes identified to date encode proteins that play roles in certain conserved pathways: protein synthesis, transcriptional and epigenetic regulation, and synaptic signaling. The next generation of research in neurodevelopmental disorders must address the neural circuitry underlying the behavioral symptoms and comorbidities, the cell types playing critical roles in these circuits, and common intercellular signaling pathways that link diverse genes. Results from clinical trials have been mixed so far. Only when we can leverage the heterogeneity of neurodevelopmental disorders into precision medicine will the mechanism-based therapeutics for these disorders start to unlock success.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4739545/" 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/PMC4739545/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sahin, Mustafa -- Sur, Mriganka -- EF1451125/PHS HHS/ -- EY007023/EY/NEI NIH HHS/ -- MH085802/MH/NIMH NIH HHS/ -- NS090473/NS/NINDS NIH HHS/ -- P20 NS080199/NS/NINDS NIH HHS/ -- P30 HD018655/HD/NICHD NIH HHS/ -- U01 NS082320/NS/NINDS NIH HHS/ -- U54 NS092090/NS/NINDS NIH HHS/ -- U54NS092090/NS/NINDS NIH HHS/ -- New York, N.Y. -- Science. 2015 Nov 20;350(6263). pii: aab3897. doi: 10.1126/science.aab3897. Epub 2015 Oct 15.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉F. M. Kirby Center for Neurobiology, Translational Neuroscience Center, Department of Neurology, Boston Children's Hospital, Boston, MA 02115, USA. mustafa.sahin@childrens.harvard.edu msur@mit.edu. ; Simons Center for the Social Brain, Picower Institute for Learning and Memory, Department of Brain and Cognitive Sciences, Massachusetts Institute of Technology, Cambridge, MA 02139, USA. mustafa.sahin@childrens.harvard.edu msur@mit.edu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26472761" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Autistic Disorder/drug therapy/genetics ; Behavior ; Brain/growth & development/metabolism ; Chromatin Assembly and Disassembly ; Clinical Trials as Topic ; Epigenesis, Genetic ; Genes ; *Genetic Predisposition to Disease ; Humans ; Metabolic Networks and Pathways/genetics ; Mice ; Mutation ; Neural Pathways/metabolism ; Neurodevelopmental Disorders/*drug therapy/*genetics ; Precision Medicine/*methods ; Protein Biosynthesis/genetics ; Transcription, Genetic ; Translational Medical Research
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  • 112
    Publication Date: 2015-02-14
    Description: The C-terminal region of Clostridium perfringens enterotoxin (C-CPE) can bind to specific claudins, resulting in the disintegration of tight junctions (TJs) and an increase in the paracellular permeability across epithelial cell sheets. Here we present the structure of mammalian claudin-19 in complex with C-CPE at 3.7 A resolution. The structure shows that C-CPE forms extensive hydrophobic and hydrophilic interactions with the two extracellular segments of claudin-19. The claudin-19/C-CPE complex shows no density of a short extracellular helix that is critical for claudins to assemble into TJ strands. The helix displacement may thus underlie C-CPE-mediated disassembly of TJs.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Saitoh, Yasunori -- Suzuki, Hiroshi -- Tani, Kazutoshi -- Nishikawa, Kouki -- Irie, Katsumasa -- Ogura, Yuki -- Tamura, Atsushi -- Tsukita, Sachiko -- Fujiyoshi, Yoshinori -- New York, N.Y. -- Science. 2015 Feb 13;347(6223):775-8. doi: 10.1126/science.1261833.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Cellular and Structural Physiology Institute, Nagoya University, Chikusa, Nagoya 464-8601, Japan. Department of Basic Medical Science, Graduate School of Pharmaceutical Science, Nagoya University, Chikusa, Nagoya 464-8601, Japan. ; Cellular and Structural Physiology Institute, Nagoya University, Chikusa, Nagoya 464-8601, Japan. ; Laboratory of Biological Science, Graduate School of Frontier Biosciences and Graduate School of Medicine, Osaka University, Suita, Osaka 565-0871, Japan. ; Cellular and Structural Physiology Institute, Nagoya University, Chikusa, Nagoya 464-8601, Japan. Department of Basic Medical Science, Graduate School of Pharmaceutical Science, Nagoya University, Chikusa, Nagoya 464-8601, Japan. yoshi@cespi.nagoya-u.ac.jp.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25678664" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Claudins/*chemistry ; Enterotoxins/*chemistry ; Hydrophobic and Hydrophilic Interactions ; Mice ; Protein Structure, Secondary ; Tight Junctions/chemistry/*ultrastructure
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  • 113
    Publication Date: 2015-02-28
    Description: Ebola virus causes sporadic outbreaks of lethal hemorrhagic fever in humans, but there is no currently approved therapy. Cells take up Ebola virus by macropinocytosis, followed by trafficking through endosomal vesicles. However, few factors controlling endosomal virus movement are known. Here we find that Ebola virus entry into host cells requires the endosomal calcium channels called two-pore channels (TPCs). Disrupting TPC function by gene knockout, small interfering RNAs, or small-molecule inhibitors halted virus trafficking and prevented infection. Tetrandrine, the most potent small molecule that we tested, inhibited infection of human macrophages, the primary target of Ebola virus in vivo, and also showed therapeutic efficacy in mice. Therefore, TPC proteins play a key role in Ebola virus infection and may be effective targets for antiviral therapy.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4550587/" 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/PMC4550587/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sakurai, Yasuteru -- Kolokoltsov, Andrey A -- Chen, Cheng-Chang -- Tidwell, Michael W -- Bauta, William E -- Klugbauer, Norbert -- Grimm, Christian -- Wahl-Schott, Christian -- Biel, Martin -- Davey, Robert A -- R01 AI063513/AI/NIAID NIH HHS/ -- R01AI063513/AI/NIAID NIH HHS/ -- New York, N.Y. -- Science. 2015 Feb 27;347(6225):995-8. doi: 10.1126/science.1258758.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Texas Biomedical Research Institute, San Antonio, TX, USA. ; The University of Texas Medical Branch, Galveston, TX, USA. ; Center for Integrated Protein Science Munich (CIPSM) at the Department of Pharmacy-Center for Drug Research, Ludwig-Maximilians-Universitat Munchen, Munich, Germany. ; Southwest Research Institute, San Antonio, TX, USA. ; Institute for Experimental and Clinical Pharmacology and Toxicology, Albert-Ludwigs-Universitat Freiburg, Freiburg, Germany. ; Texas Biomedical Research Institute, San Antonio, TX, USA. rdavey@txbiomed.org.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25722412" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antiviral Agents/*pharmacology/therapeutic use ; BALB 3T3 Cells ; Benzylisoquinolines/pharmacology/therapeutic use ; Calcium Channel Blockers/*pharmacology/therapeutic use ; Calcium Channels/genetics/*physiology ; Ebolavirus/drug effects/*physiology ; Female ; Gene Knockout Techniques ; HeLa Cells ; Hemorrhagic Fever, Ebola/drug therapy/*therapy/virology ; Humans ; Macrophages/drug effects/virology ; Mice ; *Molecular Targeted Therapy ; NADP/analogs & derivatives/metabolism ; RNA Interference ; Signal Transduction ; Verapamil/pharmacology/therapeutic use ; Virus Internalization/*drug effects
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  • 114
    Publication Date: 2015-07-04
    Description: Larger brains tend to have more folded cortices, but what makes the cortex fold has remained unknown. We show that the degree of cortical folding scales uniformly across lissencephalic and gyrencephalic species, across individuals, and within individual cortices as a function of the product of cortical surface area and the square root of cortical thickness. This relation is derived from the minimization of the effective free energy associated with cortical shape according to a simple physical model, based on known mechanisms of axonal elongation. This model also explains the scaling of the folding index of crumpled paper balls. We discuss the implications of this finding for the evolutionary and developmental origin of folding, including the newfound continuum between lissencephaly and gyrencephaly, and for pathologies such as human lissencephaly.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Mota, Bruno -- Herculano-Houzel, Suzana -- New York, N.Y. -- Science. 2015 Jul 3;349(6243):74-7. doi: 10.1126/science.aaa9101.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Instituto de Fisica, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil. ; Instituto de Ciencias Biomedicas, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil. Instituto Nacional de Neurociencia Translacional, INCT/MCT, Sao Paulo, Brazil. suzanahh@gmail.com.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26138976" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Count ; *Cerebral Cortex/cytology/embryology/pathology ; Humans ; Lissencephaly/*pathology ; Mice ; Models, Neurological ; Neurons/*cytology/pathology ; Rats ; Species Specificity
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  • 115
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2015-10-31
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Underwood, Emily -- New York, N.Y. -- Science. 2015 Oct 30;350(6260):491-2. doi: 10.1126/science.350.6260.491.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26516259" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Brain/*physiology/ultrastructure ; Brain-Derived Neurotrophic Factor/pharmacology ; Memory, Long-Term/*physiology ; Mice ; Microscopy, Electron ; Nerve Net/*physiology/ultrastructure ; Neurons/drug effects/physiology ; Neurosciences ; Synapses/*physiology/ultrastructure
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  • 116
    Publication Date: 2015-11-14
    Description: Following the end-Devonian mass extinction (359 million years ago), vertebrates experienced persistent reductions in body size for at least 36 million years. Global shrinkage was not related to oxygen or temperature, which suggests that ecological drivers played a key role in determining the length and direction of size trends. Small, fast-breeding ray-finned fishes, sharks, and tetrapods, most under 1 meter in length from snout to tail, radiated to dominate postextinction ecosystems and vertebrae biodiversity. The few large-bodied, slow-breeding survivors failed to diversify, facing extinction despite earlier evolutionary success. Thus, the recovery interval resembled modern ecological successions in terms of active selection on size and related life histories. Disruption of global vertebrate, and particularly fish, biotas may commonly lead to widespread, long-term reduction in body size, structuring future biodiversity.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sallan, Lauren -- Galimberti, Andrew K -- New York, N.Y. -- Science. 2015 Nov 13;350(6262):812-5. doi: 10.1126/science.aac7373.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Earth and Environmental Science, University of Pennsylvania, Philadelphia, PA 19104, USA. lsallan@sas.upenn.edu. ; Department of Biology, Kalamazoo College, Kalamazoo, MI 49006, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26564854" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Biodiversity ; *Biological Evolution ; *Body Size ; Extinction, Biological ; Fishes/*anatomy & histology ; Tail/anatomy & histology
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  • 117
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2015-04-04
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Mueller, Kristen L -- New York, N.Y. -- Science. 2015 Apr 3;348(6230):54-5. doi: 10.1126/science.348.6230.54.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25838372" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antibodies/immunology/therapeutic use ; Humans ; Immunotherapy ; Mice ; Neoplasms/*immunology/*therapy ; Receptors, Antigen, T-Cell/antagonists & inhibitors/immunology
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  • 118
    Publication Date: 2015-04-25
    Description: Inflammatory CD4(+) T cell responses to self or commensal bacteria underlie the pathogenesis of autoimmunity and inflammatory bowel disease (IBD), respectively. Although selection of self-specific T cells in the thymus limits responses to mammalian tissue antigens, the mechanisms that control selection of commensal bacteria-specific T cells remain poorly understood. Here, we demonstrate that group 3 innate lymphoid cell (ILC3)-intrinsic expression of major histocompatibility complex class II (MHCII) is regulated similarly to thymic epithelial cells and that MHCII(+) ILC3s directly induce cell death of activated commensal bacteria-specific T cells. Further, MHCII on colonic ILC3s was reduced in pediatric IBD patients. Collectively, these results define a selection pathway for commensal bacteria-specific CD4(+) T cells in the intestine and suggest that this process is dysregulated in human IBD.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4449822/" 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/PMC4449822/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hepworth, Matthew R -- Fung, Thomas C -- Masur, Samuel H -- Kelsen, Judith R -- McConnell, Fiona M -- Dubrot, Juan -- Withers, David R -- Hugues, Stephanie -- Farrar, Michael A -- Reith, Walter -- Eberl, Gerard -- Baldassano, Robert N -- Laufer, Terri M -- Elson, Charles O -- Sonnenberg, Gregory F -- DK071176/DK/NIDDK NIH HHS/ -- DP5 OD012116/OD/NIH HHS/ -- DP5OD012116/OD/NIH HHS/ -- UL1-RR024134/RR/NCRR NIH HHS/ -- Wellcome Trust/United Kingdom -- New York, N.Y. -- Science. 2015 May 29;348(6238):1031-5. doi: 10.1126/science.aaa4812. Epub 2015 Apr 23.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Jill Roberts Institute for Research in Inflammatory Bowel Disease, Joan and Sanford I. Weill Department of Medicine, Gastroenterology Division, and Department of Microbiology and Immunology, Weill Cornell Medical College, Cornell University, New York, NY, USA. ; Jill Roberts Institute for Research in Inflammatory Bowel Disease, Joan and Sanford I. Weill Department of Medicine, Gastroenterology Division, and Department of Microbiology and Immunology, Weill Cornell Medical College, Cornell University, New York, NY, USA. Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA. ; Division of Gastroenterology, Hepatology, and Nutrition, Children's Hospital of Philadelphia, Philadelphia, PA, USA. ; Medical Research Council, Centre for Immune Regulation, College of Medical and Dental Sciences, University of Birmingham, Birmingham, UK. ; Department of Pathology and Immunology, University of Geneva Medical School, Geneva, Switzerland. ; Center for Immunology, Department of Laboratory Medicine and Pathology, University of Minnesota, MN, USA. ; Institut Pasteur, Microenvironment and Immunity Unit, Paris, France. ; Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA. Philadelphia Veterans Affairs Medical Center, Philadelphia, PA, USA. ; Departments of Medicine and Microbiology, University of Alabama at Birmingham, Birmingham, AL, USA. ; Jill Roberts Institute for Research in Inflammatory Bowel Disease, Joan and Sanford I. Weill Department of Medicine, Gastroenterology Division, and Department of Microbiology and Immunology, Weill Cornell Medical College, Cornell University, New York, NY, USA. gfsonnenberg@med.cornell.edu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25908663" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Apoptosis/immunology ; Autoimmunity ; Bacteria/*immunology ; CD4-Positive T-Lymphocytes/*immunology ; Colon/*microbiology ; Female ; Flagellin/genetics/immunology ; Histocompatibility Antigens Class II/*immunology ; Humans ; *Immunity, Innate ; Inflammatory Bowel Diseases/immunology/*microbiology ; Lymphocyte Activation ; Male ; Mice ; Mice, Inbred C57BL ; Symbiosis ; Thymus Gland/immunology
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  • 119
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2015-08-08
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Underwood, Emily -- New York, N.Y. -- Science. 2015 Aug 7;349(6248):575-7. doi: 10.1126/science.349.6248.575.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26250665" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Brain/*cytology ; Caenorhabditis elegans ; Cell Shape ; Humans ; Identity Crisis ; Interneurons/classification ; Mice ; Neuroanatomy/*methods ; Neurons/*classification ; Retina/cytology ; Silver Staining ; Visual Cortex/cytology
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  • 120
    Publication Date: 2015-03-31
    Description: Trypanosoma brucei, a causative agent of African Sleeping Sickness, constantly changes its dense variant surface glycoprotein (VSG) coat to avoid elimination by the immune system of its mammalian host, using an extensive repertoire of dedicated genes. However, the dynamics of VSG expression in T. brucei during an infection are poorly understood. We have developed a method, based on de novo assembly of VSGs, for quantitatively examining the diversity of expressed VSGs in any population of trypanosomes and monitored VSG population dynamics in vivo. Our experiments revealed unexpected diversity within parasite populations and a mechanism for diversifying the genome-encoded VSG repertoire. The interaction between T. brucei and its host is substantially more dynamic and nuanced than previously expected.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4514441/" 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/PMC4514441/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Mugnier, Monica R -- Cross, George A M -- Papavasiliou, F Nina -- AI085973/AI/NIAID NIH HHS/ -- R01 AI085973/AI/NIAID NIH HHS/ -- R01 AI097127/AI/NIAID NIH HHS/ -- New York, N.Y. -- Science. 2015 Mar 27;347(6229):1470-3. doi: 10.1126/science.aaa4502.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratory of Lymphocyte Biology, The Rockefeller University, New York, NY, USA. Laboratory of Molecular Parasitology, The Rockefeller University, New York, NY, USA. ; Laboratory of Lymphocyte Biology, The Rockefeller University, New York, NY, USA. Laboratory of Molecular Parasitology, The Rockefeller University, New York, NY, USA. papavasiliou@rockefeller.edu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25814582" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Antigenic Variation ; Host-Parasite Interactions/*immunology ; Humans ; Mice ; Mice, Inbred BALB C ; Trypanosoma brucei brucei/*immunology ; Trypanosomiasis, African/*immunology ; Variant Surface Glycoproteins, Trypanosoma/*immunology
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  • 121
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2015-03-15
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Underwood, Emily -- New York, N.Y. -- Science. 2015 Mar 13;347(6227):1186-7. doi: 10.1126/science.347.6227.1186.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25766212" target="_blank"〉PubMed〈/a〉
    Keywords: Alzheimer Disease/pathology/*therapy ; Animals ; Antineoplastic Agents/administration & dosage ; *Blood-Brain Barrier ; Brain/pathology ; Brain Neoplasms/drug therapy/*therapy ; Clinical Trials, Phase I as Topic ; Disease Models, Animal ; Humans ; Mice ; Microbubbles ; Plaque, Amyloid/pathology/therapy ; *Ultrasonic Therapy
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  • 122
    Publication Date: 2015-03-31
    Description: Dynactin is an essential cofactor for the microtubule motor cytoplasmic dynein-1. We report the structure of the 23-subunit dynactin complex by cryo-electron microscopy to 4.0 angstroms. Our reconstruction reveals how dynactin is built around a filament containing eight copies of the actin-related protein Arp1 and one of beta-actin. The filament is capped at each end by distinct protein complexes, and its length is defined by elongated peptides that emerge from the alpha-helical shoulder domain. A further 8.2 angstrom structure of the complex between dynein, dynactin, and the motility-inducing cargo adaptor Bicaudal-D2 shows how the translational symmetry of the dynein tail matches that of the dynactin filament. The Bicaudal-D2 coiled coil runs between dynein and dynactin to stabilize the mutually dependent interactions between all three components.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4413427/" 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/PMC4413427/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Urnavicius, Linas -- Zhang, Kai -- Diamant, Aristides G -- Motz, Carina -- Schlager, Max A -- Yu, Minmin -- Patel, Nisha A -- Robinson, Carol V -- Carter, Andrew P -- 100387/Wellcome Trust/United Kingdom -- MC_UP_A025_1011/Medical Research Council/United Kingdom -- WT100387/Wellcome Trust/United Kingdom -- New York, N.Y. -- Science. 2015 Mar 27;347(6229):1441-6. doi: 10.1126/science.aaa4080. Epub 2015 Feb 12.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Medical Research Council Laboratory of Molecular Biology, Division of Structural Studies, Francis Crick Avenue, Cambridge CB2 0QH, UK. ; Department of Chemistry, Physical and Theoretical Chemistry Laboratory, University of Oxford, Oxford OX1 3QZ, UK. ; Medical Research Council Laboratory of Molecular Biology, Division of Structural Studies, Francis Crick Avenue, Cambridge CB2 0QH, UK. cartera@mrc-lmb.cam.ac.uk.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25814576" target="_blank"〉PubMed〈/a〉
    Keywords: Actins/chemistry ; Animals ; Cryoelectron Microscopy ; Dyneins/*chemistry ; Humans ; Mice ; Microtubule-Associated Proteins/*chemistry ; Multiprotein Complexes/*chemistry ; Protein Interaction Mapping ; Protein Structure, Secondary ; Protein Structure, Tertiary ; Protein Subunits/chemistry ; Swine
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  • 123
    Publication Date: 2015-04-18
    Description: Human-like modes of communication, including mutual gaze, in dogs may have been acquired during domestication with humans. We show that gazing behavior from dogs, but not wolves, increased urinary oxytocin concentrations in owners, which consequently facilitated owners' affiliation and increased oxytocin concentration in dogs. Further, nasally administered oxytocin increased gazing behavior in dogs, which in turn increased urinary oxytocin concentrations in owners. These findings support the existence of an interspecies oxytocin-mediated positive loop facilitated and modulated by gazing, which may have supported the coevolution of human-dog bonding by engaging common modes of communicating social attachment.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Nagasawa, Miho -- Mitsui, Shouhei -- En, Shiori -- Ohtani, Nobuyo -- Ohta, Mitsuaki -- Sakuma, Yasuo -- Onaka, Tatsushi -- Mogi, Kazutaka -- Kikusui, Takefumi -- New York, N.Y. -- Science. 2015 Apr 17;348(6232):333-6. doi: 10.1126/science.1261022. Epub 2015 Apr 16.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Animal Science and Biotechnology, Azabu University, Sagamihara, Kanagawa, Japan. Department of Physiology, Jichi Medical University, Shimotsuke, Tochigi, Japan. ; Department of Animal Science and Biotechnology, Azabu University, Sagamihara, Kanagawa, Japan. ; University of Tokyo Health Sciences, Tama, Tokyo, Japan. ; Department of Physiology, Jichi Medical University, Shimotsuke, Tochigi, Japan. ; Department of Animal Science and Biotechnology, Azabu University, Sagamihara, Kanagawa, Japan. kikusui@azabu-u.ac.jp.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25883356" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Animals, Domestic/*psychology ; *Biological Evolution ; *Bonding, Human-Pet ; *Communication ; Dogs/*psychology ; Female ; *Fixation, Ocular ; Humans ; Oxytocin/*physiology ; Wolves/*psychology
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 124
    Publication Date: 2015-10-31
    Description: Antitumor immunity driven by intratumoral dendritic cells contributes to the efficacy of anthracycline-based chemotherapy in cancer. We identified a loss-of-function allele of the gene coding for formyl peptide receptor 1 (FPR1) that was associated with poor metastasis-free and overall survival in breast and colorectal cancer patients receiving adjuvant chemotherapy. The therapeutic effects of anthracyclines were abrogated in tumor-bearing Fpr1(-/-) mice due to impaired antitumor immunity. Fpr1-deficient dendritic cells failed to approach dying cancer cells and, as a result, could not elicit antitumor T cell immunity. Experiments performed in a microfluidic device confirmed that FPR1 and its ligand, annexin-1, promoted stable interactions between dying cancer cells and human or murine leukocytes. Altogether, these results highlight the importance of FPR1 in chemotherapy-induced anticancer immune responses.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Vacchelli, Erika -- Ma, Yuting -- Baracco, Elisa E -- Sistigu, Antonella -- Enot, David P -- Pietrocola, Federico -- Yang, Heng -- Adjemian, Sandy -- Chaba, Kariman -- Semeraro, Michaela -- Signore, Michele -- De Ninno, Adele -- Lucarini, Valeria -- Peschiaroli, Francesca -- Businaro, Luca -- Gerardino, Annamaria -- Manic, Gwenola -- Ulas, Thomas -- Gunther, Patrick -- Schultze, Joachim L -- Kepp, Oliver -- Stoll, Gautier -- Lefebvre, Celine -- Mulot, Claire -- Castoldi, Francesca -- Rusakiewicz, Sylvie -- Ladoire, Sylvain -- Apetoh, Lionel -- Bravo-San Pedro, Jose Manuel -- Lucattelli, Monica -- Delarasse, Cecile -- Boige, Valerie -- Ducreux, Michel -- Delaloge, Suzette -- Borg, Christophe -- Andre, Fabrice -- Schiavoni, Giovanna -- Vitale, Ilio -- Laurent-Puig, Pierre -- Mattei, Fabrizio -- Zitvogel, Laurence -- Kroemer, Guido -- New York, N.Y. -- Science. 2015 Nov 20;350(6263):972-8. doi: 10.1126/science.aad0779. Epub 2015 Oct 29.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Gustave Roussy Cancer Campus, Villejuif, France. INSERM, U1138, Paris, France. Equipe 11 Labellisee par la Ligue Nationale Contre le Cancer, Centre de Recherche des Cordeliers, Paris, France. Universite Paris Descartes, Sorbonne Paris Cite, Paris, France. Universite Pierre et Marie Curie, Paris, France. ; Gustave Roussy Cancer Campus, Villejuif, France. INSERM, U1138, Paris, France. Equipe 11 Labellisee par la Ligue Nationale Contre le Cancer, Centre de Recherche des Cordeliers, Paris, France. Universite Paris Descartes, Sorbonne Paris Cite, Paris, France. Universite Pierre et Marie Curie, Paris, France. Suzhou Institute of Systems Medicine, Suzhou, Jiangsu, China. Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China. ; Gustave Roussy Cancer Campus, Villejuif, France. INSERM, U1138, Paris, France. Equipe 11 Labellisee par la Ligue Nationale Contre le Cancer, Centre de Recherche des Cordeliers, Paris, France. Faculte de Medecine, Universite Paris-Saclay, Kremlin-Bicetre, France. ; Regina Elena National Cancer Institute, Rome, Italy. ; Gustave Roussy Cancer Campus, Villejuif, France. INSERM, U1138, Paris, France. Equipe 11 Labellisee par la Ligue Nationale Contre le Cancer, Centre de Recherche des Cordeliers, Paris, France. Metabolomics and Cell Biology Platforms, Gustave Roussy Cancer Campus, Villejuif, France. ; Gustave Roussy Cancer Campus, Villejuif, France. INSERM, U1138, Paris, France. Equipe 11 Labellisee par la Ligue Nationale Contre le Cancer, Centre de Recherche des Cordeliers, Paris, France. ; Gustave Roussy Cancer Campus, Villejuif, France. INSERM, U1138, Paris, France. Equipe 11 Labellisee par la Ligue Nationale Contre le Cancer, Centre de Recherche des Cordeliers, Paris, France. Universite Paris Descartes, Sorbonne Paris Cite, Paris, France. ; Gustave Roussy Cancer Campus, Villejuif, France. INSERM, U1015, Villejuif, France. Center of Clinical Investigations in Biotherapies of Cancer (CICBT) 507, Villejuif, France. ; Department of Hematology, Oncology, and Molecular Medicine, Istituto Superiore di Sanita, Rome, Italy. ; Italian National Research Council, Institute for Photonics and Nanotechnology, Rome, Italy. ; Genomics and Immunoregulation, Life and Medical Science Center Institute, University of Bonn, Germany. ; Gustave Roussy Cancer Campus, Villejuif, France. INSERM, U981, Villejuif, France. ; Universite Paris Sorbonne Cite, UMRS 775, INSERM, Paris, France. INSERM U1147, Centre de Ressources Biologiques (CRB) EPIGENETIC, Paris, France. ; Gustave Roussy Cancer Campus, Villejuif, France. INSERM, U1138, Paris, France. Equipe 11 Labellisee par la Ligue Nationale Contre le Cancer, Centre de Recherche des Cordeliers, Paris, France. Faculte de Medecine, Universite Paris-Saclay, Kremlin-Bicetre, France. Sotio, Prague, Czech Republic. ; Department of Medical Oncology, Centre Georges-Francois Leclerc, Dijon, France. Universite Bourgogne Franche-Comte, Dijon, France. Centre Georges Francois Leclerc, Dijon, France. ; Department of Life Sciences, University of Siena, Siena, Italy. ; Institut du Cerveau et de la Moelle Epiniere, ICM CNRS UMR 7225 - INSERM U 1127 - UPMC-P6 UMR S 1127, Equipe Neurogenetique et Physiologie Hopital de la Pitie-Salpetriere, 47, Boulevard de l'Hopital, 75013 Paris, France. ; INSERM U1147, Centre de Ressources Biologiques (CRB) EPIGENETIC, Paris, France. Department of Medical Oncology, Gustave Roussy Cancer Campus, Villejuif Cedex, France. ; Faculte de Medecine, Universite Paris-Saclay, Kremlin-Bicetre, France. Department of Medical Oncology, Gustave Roussy Cancer Campus, Villejuif Cedex, France. ; INSERM, U981, Villejuif, France. Department of Breast Oncology, Gustave Roussy Cancer Campus, Villejuif, France. ; University of Franche-Comte, INSERM 1098, France. ; Gustave Roussy Cancer Campus, Villejuif, France. INSERM, U981, Villejuif, France. Department of Biology and Pathology, Gustave Roussy Cancer Campus, Villejuif, France. Department of Medical Oncology, Gustave Roussy Cancer Campus, Villejuif, France. ; Regina Elena National Cancer Institute, Rome, Italy. Department of Biology, University of Rome "Tor Vergata," Rome, Italy. ; Universite Paris Sorbonne Cite, UMRS 775, INSERM, Paris, France. INSERM U1147, Centre de Ressources Biologiques (CRB) EPIGENETIC, Paris, France. Pole de Biologie, Hopital Europeen Georges Pompidou, AP-HP, Paris, France. ; Gustave Roussy Cancer Campus, Villejuif, France. Faculte de Medecine, Universite Paris-Saclay, Kremlin-Bicetre, France. INSERM, U1015, Villejuif, France. Center of Clinical Investigations in Biotherapies of Cancer (CICBT) 507, Villejuif, France. kroemer@orange.fr laurence.zitvogel@gustaveroussy.fr. ; Gustave Roussy Cancer Campus, Villejuif, France. INSERM, U1138, Paris, France. Equipe 11 Labellisee par la Ligue Nationale Contre le Cancer, Centre de Recherche des Cordeliers, Paris, France. Universite Paris Descartes, Sorbonne Paris Cite, Paris, France. Universite Pierre et Marie Curie, Paris, France. Metabolomics and Cell Biology Platforms, Gustave Roussy Cancer Campus, Villejuif, France. Pole de Biologie, Hopital Europeen Georges Pompidou, AP-HP, Paris, France. Karolinska Institute, Department of Women's and Children's Health, Karolinska University Hospital, 17176 Stockholm, Sweden. kroemer@orange.fr laurence.zitvogel@gustaveroussy.fr.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26516201" target="_blank"〉PubMed〈/a〉
    Keywords: Alleles ; Animals ; Annexin A1/metabolism/pharmacology ; Anthracyclines/*therapeutic use ; Breast Neoplasms/drug therapy/immunology ; Cell Line, Tumor ; Chemotherapy, Adjuvant ; Colorectal Neoplasms/drug therapy/immunology ; Dendritic Cells/drug effects/immunology ; Female ; Humans ; Immunity, Innate/genetics ; Leukocytes/drug effects/immunology ; Mice ; Neoplasms/*drug therapy/*immunology ; Polymorphism, Single Nucleotide ; Receptors, Formyl Peptide/genetics/*physiology ; T-Lymphocytes/immunology
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  • 125
    Publication Date: 2015-10-31
    Description: Infections and inflammation can lead to cachexia and wasting of skeletal muscle and fat tissue by as yet poorly understood mechanisms. We observed that gut colonization of mice by a strain of Escherichia coli prevents wasting triggered by infections or physical damage to the intestine. During intestinal infection with the pathogen Salmonella Typhimurium or pneumonic infection with Burkholderia thailandensis, the presence of this E. coli did not alter changes in host metabolism, caloric uptake, or inflammation but instead sustained signaling of the insulin-like growth factor 1/phosphatidylinositol 3-kinase/AKT pathway in skeletal muscle, which is required for prevention of muscle wasting. This effect was dependent on engagement of the NLRC4 inflammasome. Therefore, this commensal promotes tolerance to diverse diseases.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4732872/" 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/PMC4732872/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Schieber, Alexandria M Palaferri -- Lee, Yujung Michelle -- Chang, Max W -- Leblanc, Mathias -- Collins, Brett -- Downes, Michael -- Evans, Ronald M -- Ayres, Janelle S -- CA014195/CA/NCI NIH HHS/ -- DK0577978/DK/NIDDK NIH HHS/ -- P30 CA014195/CA/NCI NIH HHS/ -- R01 AI114929/AI/NIAID NIH HHS/ -- R01AI114929/AI/NIAID NIH HHS/ -- R37 DK057978/DK/NIDDK NIH HHS/ -- Howard Hughes Medical Institute/ -- New York, N.Y. -- Science. 2015 Oct 30;350(6260):558-63. doi: 10.1126/science.aac6468.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Nomis Center for Immunobiology and Microbial Pathogenesis, The Salk Institute for Biological Studies, La Jolla, CA 92037, USA. ; Integrative Genomics and Bioinformatics Core, The Salk Institute for Biological Studies, La Jolla, CA 92037, USA. ; Gene Expression Laboratory, The Salk Institute for Biological Studies, La Jolla, CA 92037, USA. ; Gene Expression Laboratory, The Salk Institute for Biological Studies, La Jolla, CA 92037, USA. Howard Hughes Medical Institute, The Salk Institute for Biological Studies, La Jolla, CA 92037, USA. ; Nomis Center for Immunobiology and Microbial Pathogenesis, The Salk Institute for Biological Studies, La Jolla, CA 92037, USA. jayres@salk.edu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26516283" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Apoptosis Regulatory Proteins/metabolism ; Biosynthetic Pathways ; Burkholderia ; Burkholderia Infections/complications ; Calcium-Binding Proteins/metabolism ; Escherichia coli/*immunology ; Inflammasomes/*immunology ; Insulin-Like Growth Factor I/*metabolism ; Intestines/*microbiology ; Mice ; Mice, Inbred C57BL ; *Microbiota ; Muscle, Skeletal/*metabolism ; Phosphatidylinositol 3-Kinase/metabolism ; Proto-Oncogene Proteins c-akt/metabolism ; Salmonella Infections/complications ; Salmonella typhimurium ; Wasting Syndrome/etiology/*immunology/*microbiology
    Print ISSN: 0036-8075
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  • 126
    Publication Date: 2015-02-28
    Description: Polycomb and Trithorax group proteins encode the epigenetic memory of cellular positional identity by establishing inheritable domains of repressive and active chromatin within the Hox clusters. Here we demonstrate that the CCCTC-binding factor (CTCF) functions to insulate these adjacent yet antagonistic chromatin domains during embryonic stem cell differentiation into cervical motor neurons. Deletion of CTCF binding sites within the Hox clusters results in the expansion of active chromatin into the repressive domain. CTCF functions as an insulator by organizing Hox clusters into spatially disjoint domains. Ablation of CTCF binding disrupts topological boundaries such that caudal Hox genes leave the repressed domain and become subject to transcriptional activation. Hence, CTCF is required to insulate facultative heterochromatin from impinging euchromatin to produce discrete positional identities.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4428148/" 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/PMC4428148/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Narendra, Varun -- Rocha, Pedro P -- An, Disi -- Raviram, Ramya -- Skok, Jane A -- Mazzoni, Esteban O -- Reinberg, Danny -- GM-64844/GM/NIGMS NIH HHS/ -- GM086852/GM/NIGMS NIH HHS/ -- GM112192/GM/NIGMS NIH HHS/ -- P30 CA016087/CA/NCI NIH HHS/ -- R01 GM086852/GM/NIGMS NIH HHS/ -- R01 GM112192/GM/NIGMS NIH HHS/ -- R01 HD079682/HD/NICHD NIH HHS/ -- R01HD079682/HD/NICHD NIH HHS/ -- R37-37120/PHS HHS/ -- T32 GM007238/GM/NIGMS NIH HHS/ -- Howard Hughes Medical Institute/ -- New York, N.Y. -- Science. 2015 Feb 27;347(6225):1017-21. doi: 10.1126/science.1262088.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Howard Hughes Medical Institute, Chevy Chase, MD 20815, USA. Department of Biochemistry and Molecular Pharmacology, New York University School of Medicine, New York, NY 10016, USA. ; Department of Pathology, New York University School of Medicine, New York, NY 10016, USA. ; Department of Biology, New York University, New York, NY 10003, USA. ; Department of Biology, New York University, New York, NY 10003, USA. danny.reinberg@nyumc.org eom204@nyu.edu. ; Howard Hughes Medical Institute, Chevy Chase, MD 20815, USA. Department of Biochemistry and Molecular Pharmacology, New York University School of Medicine, New York, NY 10016, USA. danny.reinberg@nyumc.org eom204@nyu.edu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25722416" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Differentiation/*genetics ; Chromatin/chemistry/genetics/*metabolism ; Dogs ; Embryonic Stem Cells/*cytology ; *Gene Expression Regulation ; *Genes, Homeobox ; Humans ; Mice ; Motor Neurons/*cytology ; Multigene Family ; Neck ; Protein Structure, Tertiary ; Rats ; Repressor Proteins/chemistry/genetics/*metabolism
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  • 127
    facet.materialart.
    Unknown
    American Association for the Advancement of Science (AAAS)
    Publication Date: 2015-07-25
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Evans, Susan -- New York, N.Y. -- Science. 2015 Jul 24;349(6246):374-5. doi: 10.1126/science.aac5672. Epub 2015 Jul 23.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Cell and Developmental Biology, University College London, London, UK. s.e.evans@ucl.ac.uk.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26206915" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biological Evolution ; Extremities/*anatomy & histology ; Lizards/*anatomy & histology ; Snakes/*anatomy & histology/*classification
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  • 128
    Publication Date: 2015-04-04
    Description: MicroRNAs (miRNAs) repress the expression of many genes in metazoans by accelerating messenger RNA degradation and inhibiting translation, thereby reducing the level of protein. However, miRNAs only slightly reduce the mean expression of most targeted proteins, leading to speculation about their role in the variability, or noise, of protein expression. We used mathematical modeling and single-cell reporter assays to show that miRNAs, in conjunction with increased transcription, decrease protein expression noise for lowly expressed genes but increase noise for highly expressed genes. Genes that are regulated by multiple miRNAs show more-pronounced noise reduction. We estimate that hundreds of (lowly expressed) genes in mouse embryonic stem cells have reduced noise due to substantial miRNA regulation. Our findings suggest that miRNAs confer precision to protein expression and thus offer plausible explanations for the commonly observed combinatorial targeting of endogenous genes by multiple miRNAs, as well as the preferential targeting of lowly expressed genes.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Schmiedel, Jorn M -- Klemm, Sandy L -- Zheng, Yannan -- Sahay, Apratim -- Bluthgen, Nils -- Marks, Debora S -- van Oudenaarden, Alexander -- New York, N.Y. -- Science. 2015 Apr 3;348(6230):128-32. doi: 10.1126/science.aaa1738.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Integrative Research Institute for the Life Sciences and Institute for Theoretical Biology, Humboldt Universitat, 10115 Berlin, Germany. Institute of Pathology, Charite-Universitatsmedizin, 10117 Berlin, Germany. Department of Physics, Massachusetts Institute of Technology (MIT), Cambridge MA 02139, USA. ; Department of Electrical Engineering and Computer Science, MIT, Cambridge, MA 02139, USA. ; Department of Physics, Massachusetts Institute of Technology (MIT), Cambridge MA 02139, USA. ; Integrative Research Institute for the Life Sciences and Institute for Theoretical Biology, Humboldt Universitat, 10115 Berlin, Germany. Institute of Pathology, Charite-Universitatsmedizin, 10117 Berlin, Germany. nils.bluethgen@charite.de debbie@hms.harvard.edu a.vanoudenaarden@hubrecht.eu. ; Department of Systems Biology, Harvard Medical School, Longwood Avenue, Boston, MA 02115, USA. nils.bluethgen@charite.de debbie@hms.harvard.edu a.vanoudenaarden@hubrecht.eu. ; Department of Physics, Massachusetts Institute of Technology (MIT), Cambridge MA 02139, USA. Department of Biology, MIT, Cambridge, MA 02139, USA. Hubrecht Institute, Royal Netherlands Academy of Arts and Sciences, and University Medical Center Utrecht, Uppsalalaan 8, 3584 CT, Utrecht, Netherlands. nils.bluethgen@charite.de debbie@hms.harvard.edu a.vanoudenaarden@hubrecht.eu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25838385" target="_blank"〉PubMed〈/a〉
    Keywords: 3' Untranslated Regions/genetics/physiology ; Animals ; Embryonic Stem Cells/metabolism ; *Gene Expression Regulation ; Mice ; MicroRNAs/genetics/*physiology ; Models, Genetic ; Protein Biosynthesis/*genetics ; RNA, Messenger/biosynthesis ; Single-Cell Analysis ; Transcription, Genetic
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  • 129
    Publication Date: 2015-11-21
    Description: Stabilization of the hypoxia-inducible factor 1 (HIF-1) increases life span and health span in nematodes through an unknown mechanism. We report that neuronal stabilization of HIF-1 mediates these effects in Caenorhabditis elegans through a cell nonautonomous signal to the intestine, which results in activation of the xenobiotic detoxification enzyme flavin-containing monooxygenase-2 (FMO-2). This prolongevity signal requires the serotonin biosynthetic enzyme TPH-1 in neurons and the serotonin receptor SER-7 in the intestine. Intestinal FMO-2 is also activated by dietary restriction (DR) and is necessary for DR-mediated life-span extension, which suggests that this enzyme represents a point of convergence for two distinct longevity pathways. FMOs are conserved in eukaryotes and induced by multiple life span-extending interventions in mice, which suggests that these enzymes may play a critical role in promoting health and longevity across phyla.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Leiser, Scott F -- Miller, Hillary -- Rossner, Ryan -- Fletcher, Marissa -- Leonard, Alison -- Primitivo, Melissa -- Rintala, Nicholas -- Ramos, Fresnida J -- Miller, Dana L -- Kaeberlein, Matt -- P30AG013280/AG/NIA NIH HHS/ -- R00AGA0033050/PHS HHS/ -- R01AG038518/AG/NIA NIH HHS/ -- T32AG000057/AG/NIA NIH HHS/ -- New York, N.Y. -- Science. 2015 Dec 11;350(6266):1375-8. doi: 10.1126/science.aac9257. Epub 2015 Nov 19.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Pathology, University of Washington, Seattle, WA 98195, USA. ; Department of Biochemistry, University of Washington, Seattle, WA 98195, USA. ; Department of Pathology, University of Washington, Seattle, WA 98195, USA. kaeber@uw.edu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26586189" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Basic Helix-Loop-Helix Transcription Factors/metabolism ; Caenorhabditis elegans/genetics/metabolism/*physiology ; Caenorhabditis elegans Proteins/chemistry/genetics/metabolism/*physiology ; Diet ; Intestines/*enzymology ; Longevity/genetics/*physiology ; Mice ; Neurons/*metabolism ; Oxygenases/genetics/*physiology ; Protein Stability ; RNA Interference ; Receptors, Serotonin/metabolism ; Signal Transduction ; Transcription Factors/chemistry/*metabolism ; Tryptophan Hydroxylase/metabolism
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  • 130
    Publication Date: 2015-06-06
    Description: Aneuploidy in human eggs is the leading cause of pregnancy loss and several genetic disorders such as Down syndrome. Most aneuploidy results from chromosome segregation errors during the meiotic divisions of an oocyte, the egg's progenitor cell. The basis for particularly error-prone chromosome segregation in human oocytes is not known. We analyzed meiosis in more than 100 live human oocytes and identified an error-prone chromosome-mediated spindle assembly mechanism as a major contributor to chromosome segregation defects. Human oocytes assembled a meiotic spindle independently of either centrosomes or other microtubule organizing centers. Instead, spindle assembly was mediated by chromosomes and the small guanosine triphosphatase Ran in a process requiring ~16 hours. This unusually long spindle assembly period was marked by intrinsic spindle instability and abnormal kinetochore-microtubule attachments, which favor chromosome segregation errors and provide a possible explanation for high rates of aneuploidy in human eggs.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4477045/" 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/PMC4477045/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Holubcova, Zuzana -- Blayney, Martyn -- Elder, Kay -- Schuh, Melina -- MC_U105192711/Medical Research Council/United Kingdom -- New York, N.Y. -- Science. 2015 Jun 5;348(6239):1143-7. doi: 10.1126/science.aaa9529.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Medical Research Council, Laboratory of Molecular Biology, Francis Crick Avenue, Cambridge Biomedical Campus, Cambridge CB2 0QH, UK. ; Bourn Hall Clinic, Bourn, Cambridge CB23 2TN, UK. ; Medical Research Council, Laboratory of Molecular Biology, Francis Crick Avenue, Cambridge Biomedical Campus, Cambridge CB2 0QH, UK. mschuh@mrc-lmb.cam.ac.uk.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26045437" target="_blank"〉PubMed〈/a〉
    Keywords: Anaphase ; *Aneuploidy ; Animals ; Cells, Cultured ; *Chromosome Segregation ; Female ; Green Fluorescent Proteins/genetics/metabolism ; Humans ; Kinetochores/metabolism ; *Meiosis ; Mice ; Microtubule-Associated Proteins/genetics/metabolism ; Microtubule-Organizing Center/metabolism ; Oocytes/*pathology ; Spindle Apparatus/*metabolism ; ran GTP-Binding Protein/metabolism
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  • 131
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    Unknown
    American Association for the Advancement of Science (AAAS)
    Publication Date: 2015-11-07
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Leslie, Mitch -- New York, N.Y. -- Science. 2015 Nov 6;350(6261):614-5. doi: 10.1126/science.350.6261.614.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26542545" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antibodies, Monoclonal/therapeutic use ; Antibodies, Monoclonal, Humanized/therapeutic use ; Antigens, CD274/antagonists & inhibitors ; Antineoplastic Agents/*therapeutic use ; Bacteroides/*immunology ; Burkholderia/*immunology ; CTLA-4 Antigen/antagonists & inhibitors ; Gastrointestinal Tract/*microbiology ; Immunotherapy/methods ; Mice ; Microbiota/genetics/*immunology ; Neoplasms/immunology/*therapy ; Probiotics/*therapeutic use ; T-Lymphocytes/drug effects/*immunology
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 132
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2015-05-09
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Leslie, Mitch -- New York, N.Y. -- Science. 2015 May 8;348(6235):615-6. doi: 10.1126/science.348.6235.615.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25953984" target="_blank"〉PubMed〈/a〉
    Keywords: Archaea/enzymology/genetics/ultrastructure ; Bacteria/enzymology/genetics/ultrastructure ; *Biological Evolution ; Chloroplasts ; Eukaryota/*classification/genetics/*ultrastructure ; Mitochondria ; Oceans and Seas ; Seawater/*microbiology
    Print ISSN: 0036-8075
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  • 133
    Publication Date: 2015-09-05
    Description: Growing up on a dairy farm protects children from allergy, hay fever, and asthma. A mechanism linking exposure to this endotoxin (bacterial lipopolysaccharide)-rich environment with protection has remained elusive. Here we show that chronic exposure to low-dose endotoxin or farm dust protects mice from developing house dust mite (HDM)-induced asthma. Endotoxin reduced epithelial cell cytokines that activate dendritic cells (DCs), thus suppressing type 2 immunity to HDMs. Loss of the ubiquitin-modifying enzyme A20 in lung epithelium abolished the protective effect. A single-nucleotide polymorphism in the gene encoding A20 was associated with allergy and asthma risk in children growing up on farms. Thus, the farming environment protects from allergy by modifying the communication between barrier epithelial cells and DCs through A20 induction.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Schuijs, Martijn J -- Willart, Monique A -- Vergote, Karl -- Gras, Delphine -- Deswarte, Kim -- Ege, Markus J -- Madeira, Filipe Branco -- Beyaert, Rudi -- van Loo, Geert -- Bracher, Franz -- von Mutius, Erika -- Chanez, Pascal -- Lambrecht, Bart N -- Hammad, Hamida -- New York, N.Y. -- Science. 2015 Sep 4;349(6252):1106-10. doi: 10.1126/science.aac6623.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratory of Immunoregulation, VIB Inflammation Research Center, Ghent, Belgium. Department of Internal Medicine, Ghent University, Ghent, Belgium. ; Department of Respiratory Medicine, Assistance Publique Hopitaux de Marseille, UMR INSERM U1067 CNRS 7333, Aix Marseille University, Marseille, France. ; Dr. von Hauner Children's Hospital, Ludwig-Maximilians-Universitat, Munich, Germany. ; Unit of Molecular Signal Transduction, VIB Inflammation Research Center, Ghent, Belgium. Department of Biomedical Molecular Biology, Ghent University, Ghent, Belgium. ; Center for Drug Research, Department of Pharmacy, Ludwig Maximilians University, Butenandtstrasse 5-13, D-81377 Munich, Germany. ; Laboratory of Immunoregulation, VIB Inflammation Research Center, Ghent, Belgium. Department of Internal Medicine, Ghent University, Ghent, Belgium. Department of Pulmonary Medicine, Erasmus Medical Center, Rotterdam, Netherlands. hamida.hammad@ugent.be bart.lambrecht@ugent.be. ; Laboratory of Immunoregulation, VIB Inflammation Research Center, Ghent, Belgium. Department of Internal Medicine, Ghent University, Ghent, Belgium. hamida.hammad@ugent.be bart.lambrecht@ugent.be.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26339029" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Asthma/immunology/prevention & control ; Cells, Cultured ; Child ; DNA-Binding Proteins/*biosynthesis ; Dairying ; Dendritic Cells/immunology ; Dust/*immunology ; Female ; Humans ; Hygiene Hypothesis ; Hypersensitivity/enzymology/immunology/*prevention & control ; Inhalation Exposure ; Intracellular Signaling Peptides and Proteins/*biosynthesis ; Lipopolysaccharides/*immunology ; Lung/*enzymology/immunology ; Mice ; Mice, Inbred C57BL ; Nuclear Proteins/*biosynthesis ; Pyroglyphidae/*immunology ; Respiratory Mucosa/*enzymology/immunology
    Print ISSN: 0036-8075
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 134
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2015-03-07
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Leslie, Mitch -- New York, N.Y. -- Science. 2015 Mar 6;347(6226):1058-9, 1061. doi: 10.1126/science.347.6226.1058.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25745143" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antibodies, Monoclonal/chemistry/immunology/*therapeutic use ; Clinical Trials as Topic ; Drug Approval ; Humans ; Immune System/immunology ; Mice ; Multiple Sclerosis/*therapy ; Myelin Sheath/immunology ; Protein Conformation ; Recombinant Proteins/immunology/*therapeutic use ; United States ; United States Food and Drug Administration
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 135
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2015-11-28
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Vermeij, Geerat -- New York, N.Y. -- Science. 2015 Nov 27;350(6264):1038. doi: 10.1126/science.aad7032.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Dept. of Earth and Planetary Sciences, University of California at Davis, Davis, CA 95616, USA. gjvermeij@ucdavis.edu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26612940" target="_blank"〉PubMed〈/a〉
    Keywords: *Adaptation, Biological ; Animals ; *Biological Evolution ; Cichlids/*anatomy & histology ; *Extinction, Biological ; Jaw/*anatomy & histology ; Pharynx/*anatomy & histology
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  • 136
    Publication Date: 2015-11-07
    Description: Antibodies targeting CTLA-4 have been successfully used as cancer immunotherapy. We find that the antitumor effects of CTLA-4 blockade depend on distinct Bacteroides species. In mice and patients, T cell responses specific for B. thetaiotaomicron or B. fragilis were associated with the efficacy of CTLA-4 blockade. Tumors in antibiotic-treated or germ-free mice did not respond to CTLA blockade. This defect was overcome by gavage with B. fragilis, by immunization with B. fragilis polysaccharides, or by adoptive transfer of B. fragilis-specific T cells. Fecal microbial transplantation from humans to mice confirmed that treatment of melanoma patients with antibodies against CTLA-4 favored the outgrowth of B. fragilis with anticancer properties. This study reveals a key role for Bacteroidales in the immunostimulatory effects of CTLA-4 blockade.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4721659/" 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/PMC4721659/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Vetizou, Marie -- Pitt, Jonathan M -- Daillere, Romain -- Lepage, Patricia -- Waldschmitt, Nadine -- Flament, Caroline -- Rusakiewicz, Sylvie -- Routy, Bertrand -- Roberti, Maria P -- Duong, Connie P M -- Poirier-Colame, Vichnou -- Roux, Antoine -- Becharef, Sonia -- Formenti, Silvia -- Golden, Encouse -- Cording, Sascha -- Eberl, Gerard -- Schlitzer, Andreas -- Ginhoux, Florent -- Mani, Sridhar -- Yamazaki, Takahiro -- Jacquelot, Nicolas -- Enot, David P -- Berard, Marion -- Nigou, Jerome -- Opolon, Paule -- Eggermont, Alexander -- Woerther, Paul-Louis -- Chachaty, Elisabeth -- Chaput, Nathalie -- Robert, Caroline -- Mateus, Christina -- Kroemer, Guido -- Raoult, Didier -- Boneca, Ivo Gomperts -- Carbonnel, Franck -- Chamaillard, Mathias -- Zitvogel, Laurence -- R01 CA161879/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 2015 Nov 27;350(6264):1079-84. doi: 10.1126/science.aad1329. Epub 2015 Nov 5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institut de Cancerologie Gustave Roussy Cancer Campus (GRCC), 114 rue Edouard Vaillant, 94805 Villejuif, France. INSERM U1015, GRCC, Villejuif, France. University of Paris Sud XI, Kremlin-Bicetre, France. ; Institut National de la Recherche Agronomique (INRA), Micalis-UMR1319, 78360 Jouy-en-Josas, France. ; University of Lille, CNRS, INSERM, Centre Hospitalier Regional Universitaire de Lille, Institut Pasteur de Lille, U1019, UMR 8204, Centre d'Infection et d'Immunite de Lille (CIIL), F-59000 Lille, France. ; Institut de Cancerologie Gustave Roussy Cancer Campus (GRCC), 114 rue Edouard Vaillant, 94805 Villejuif, France. INSERM U1015, GRCC, Villejuif, France. Center of Clinical Investigations in Biotherapies of Cancer 1428, Villejuif, France. ; Institut de Cancerologie Gustave Roussy Cancer Campus (GRCC), 114 rue Edouard Vaillant, 94805 Villejuif, France. INSERM U1015, GRCC, Villejuif, France. University of Paris Sud XI, Kremlin-Bicetre, France. Center of Clinical Investigations in Biotherapies of Cancer 1428, Villejuif, France. ; Institut de Cancerologie Gustave Roussy Cancer Campus (GRCC), 114 rue Edouard Vaillant, 94805 Villejuif, France. INSERM U1015, GRCC, Villejuif, France. Universite Paris Descartes, Sorbonne Paris Cite, Paris, France. ; Department of Radiation Oncology, New York University, New York, NY, USA. ; Microenvironment and Immunity Unit, Institut Pasteur, Paris, France. ; Singapore Immunology Network (SIgN), Agency for Science, Technology and Research (A*STAR), Singapore, Singapore. ; Department of Genetics and Department of Medicine, Albert Einstein College of Medicine, Bronx, NY 10461, USA. ; Institut de Cancerologie Gustave Roussy Cancer Campus (GRCC), 114 rue Edouard Vaillant, 94805 Villejuif, France. Universite Paris Descartes, Sorbonne Paris Cite, Paris, France. Metabolomics Platform, GRCC, Villejuif, France. ; Animalerie Centrale, Institut Pasteur, Paris, France. ; Centre National de la Recherche Scientifique, Institut de Pharmacologie et de Biologie Structurale (IPBS), Toulouse, France. Universite de Toulouse, Universite Paul Sabatier, IPBS, F-31077 Toulouse, France. ; Institut de Cancerologie Gustave Roussy Cancer Campus (GRCC), 114 rue Edouard Vaillant, 94805 Villejuif, France. ; Institut de Cancerologie Gustave Roussy Cancer Campus (GRCC), 114 rue Edouard Vaillant, 94805 Villejuif, France. INSERM U1015, GRCC, Villejuif, France. Department of Medical Oncology, Institut Gustave Roussy, Villejuif, France. ; Service de microbiologie, GRCC, Villejuif, France. ; Institut de Cancerologie Gustave Roussy Cancer Campus (GRCC), 114 rue Edouard Vaillant, 94805 Villejuif, France. Laboratory of Immunomonitoring in Oncology, UMS 3655 CNRS/US 23 INSERM, GRCC, Villejuif, France. ; Institut de Cancerologie Gustave Roussy Cancer Campus (GRCC), 114 rue Edouard Vaillant, 94805 Villejuif, France. Department of Medical Oncology, Institut Gustave Roussy, Villejuif, France. INSERM U981, GRCC, Villejuif, France. ; Institut de Cancerologie Gustave Roussy Cancer Campus (GRCC), 114 rue Edouard Vaillant, 94805 Villejuif, France. Department of Medical Oncology, Institut Gustave Roussy, Villejuif, France. ; Universite Paris Descartes, Sorbonne Paris Cite, Paris, France. Metabolomics Platform, GRCC, Villejuif, France. INSERM U848, Villejuif, France. Equipe 11 Labellisee-Ligue Nationale contre le Cancer, Centre de Recherche des Cordeliers, INSERM U1138, Paris, France. Pole de Biologie, Hopital Europeen Georges Pompidou, Assistance Publique-Hopitaux de Paris, Paris, France. ; Unite des Rickettsies, Faculte de Medecine, Universite de la Mediterranee, Marseille, France. ; Institut Pasteur, Unit of Biology and Genetics of the Bacterial Cell Wall, Paris, France. INSERM, Equipe Avenir, Paris, France. ; University of Paris Sud XI, Kremlin-Bicetre, France. Gastroenterology Department, Hopital Bicetre, Assistance Publique-Hopitaux de Paris, Paris, France. ; Institut de Cancerologie Gustave Roussy Cancer Campus (GRCC), 114 rue Edouard Vaillant, 94805 Villejuif, France. INSERM U1015, GRCC, Villejuif, France. University of Paris Sud XI, Kremlin-Bicetre, France. Center of Clinical Investigations in Biotherapies of Cancer 1428, Villejuif, France. laurence.zitvogel@gustaveroussy.fr.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26541610" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Aged ; Aged, 80 and over ; Animals ; Anti-Bacterial Agents/pharmacology ; Antibodies, Monoclonal/adverse effects/*therapeutic use ; Bacteroides/*immunology ; CTLA-4 Antigen/*antagonists & inhibitors/immunology ; Dysbiosis/immunology ; Fecal Microbiota Transplantation ; Female ; Gastrointestinal Microbiome/drug effects/*immunology ; Germ-Free Life/immunology ; Humans ; Immunologic Memory ; Immunotherapy ; Intestines/immunology/microbiology ; Male ; Melanoma/*therapy ; Mice ; Mice, Inbred C57BL ; Middle Aged ; Skin Neoplasms/*therapy ; T-Lymphocytes/immunology
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  • 137
    Publication Date: 2015-07-15
    Description: The carnivoran giant panda has a specialized bamboo diet, to which its alimentary tract is poorly adapted. Measurements of daily energy expenditure across five captive and three wild pandas averaged 5.2 megajoules (MJ)/day, only 37.7% of the predicted value (13.8 MJ/day). For the wild pandas, the mean was 6.2 MJ/day, or 45% of the mammalian expectation. Pandas achieve this exceptionally low expenditure in part by reduced sizes of several vital organs and low physical activity. In addition, circulating levels of thyroid hormones thyroxine (T4) and triiodothyronine (T3) averaged 46.9 and 64%, respectively, of the levels expected for a eutherian mammal of comparable size. A giant panda-unique mutation in the DUOX2 gene, critical for thyroid hormone synthesis, might explain these low thyroid hormone levels. A combination of morphological, behavioral, physiological, and genetic adaptations, leading to low energy expenditure, likely enables giant pandas to survive on a bamboo diet.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Nie, Yonggang -- Speakman, John R -- Wu, Qi -- Zhang, Chenglin -- Hu, Yibo -- Xia, Maohua -- Yan, Li -- Hambly, Catherine -- Wang, Lu -- Wei, Wei -- Zhang, Jinguo -- Wei, Fuwen -- New York, N.Y. -- Science. 2015 Jul 10;349(6244):171-4. doi: 10.1126/science.aab2413.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Key Laboratory of Animal Ecology and Conservation Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, China. ; State Key Laboratory of Molecular Developmental Biology, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Beijing, China. Institute of Biological and Environmental Sciences, University of Aberdeen, Aberdeen, Scotland, UK. ; Beijing Key Laboratory of Captive Wildlife Technologies, Beijing Zoo, Beijing, China. ; Institute of Biological and Environmental Sciences, University of Aberdeen, Aberdeen, Scotland, UK. ; State Key Laboratory of Molecular Developmental Biology, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Beijing, China. ; Key Laboratory of Animal Ecology and Conservation Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, China. weifw@ioz.ac.cn.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26160943" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Base Sequence ; Body Temperature ; Cattle ; Chromosomes, Human, Pair 15/genetics ; Diet/veterinary ; Dogs ; *Eating ; Energy Metabolism/genetics/*physiology ; Gastrointestinal Tract ; Genetic Variation ; Humans ; Mice ; Molecular Sequence Data ; Motor Activity ; NADPH Oxidase/*genetics ; Organ Size ; Sasa ; Thyroxine/blood ; Triiodothyronine/blood ; Ursidae/anatomy & histology/*genetics/*physiology
    Print ISSN: 0036-8075
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  • 138
    Publication Date: 2015-06-20
    Description: Hawks et al. argue that our analysis of Australopithecus sediba mandibles is flawed and that specimen LD 350-1 cannot be distinguished from this, or any other, Australopithecus species. Our reexamination of the evidence confirms that LD 350-1 falls outside of the pattern that A. sediba shares with Australopithecus and thus is reasonably assigned to the genus Homo.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Villmoare, Brian -- Kimbel, William H -- Seyoum, Chalachew -- Campisano, Christopher J -- DiMaggio, Erin -- Rowan, John -- Braun, David R -- Arrowsmith, J Ramon -- Reed, Kaye E -- New York, N.Y. -- Science. 2015 Jun 19;348(6241):1326. doi: 10.1126/science.aab1122.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Anthropology, University of Nevada Las Vegas, Las Vegas, NV, 89154, USA. Center for the Advanced Study of Hominin Paleobiology, George Washington University, Washington, DC 20052, USA. Department of Anthropology, University College London, London WC1H 0BW, UK. brian.villmoare@unlv.edu wkimbel.iho@asu.edu. ; School of Human Evolution and Social Change and Institute of Human Origins, Arizona State University, Tempe, AZ 85287, USA. brian.villmoare@unlv.edu wkimbel.iho@asu.edu. ; School of Human Evolution and Social Change and Institute of Human Origins, Arizona State University, Tempe, AZ 85287, USA. Authority for Research and Conservation of Cultural Heritage, Addis Ababa, Ethiopia. ; School of Human Evolution and Social Change and Institute of Human Origins, Arizona State University, Tempe, AZ 85287, USA. ; Department of Geosciences, Pennsylvania State University, University Park, PA 16802, USA. ; Center for the Advanced Study of Hominin Paleobiology, George Washington University, Washington, DC 20052, USA. ; School of Earth and Space Exploration, Arizona State University, Tempe, AZ 85281, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26089506" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biological Evolution ; Hominidae/*anatomy & histology ; Humans
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  • 139
    Publication Date: 2015-03-06
    Description: Our understanding of the origin of the genus Homo has been hampered by a limited fossil record in eastern Africa between 2.0 and 3.0 million years ago (Ma). Here we report the discovery of a partial hominin mandible with teeth from the Ledi-Geraru research area, Afar Regional State, Ethiopia, that establishes the presence of Homo at 2.80 to 2.75 Ma. This specimen combines primitive traits seen in early Australopithecus with derived morphology observed in later Homo, confirming that dentognathic departures from the australopith pattern occurred early in the Homo lineage. The Ledi-Geraru discovery has implications for hypotheses about the timing and place of origin of the genus Homo.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Villmoare, Brian -- Kimbel, William H -- Seyoum, Chalachew -- Campisano, Christopher J -- DiMaggio, Erin N -- Rowan, John -- Braun, David R -- Arrowsmith, J Ramon -- Reed, Kaye E -- New York, N.Y. -- Science. 2015 Mar 20;347(6228):1352-5. doi: 10.1126/science.aaa1343. Epub 2015 Mar 4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Anthropology, University of Nevada Las Vegas, Las Vegas, NV 89154, USA. Center for the Advanced Study of Hominin Paleobiology, George Washington University, Washington, DC 20052, USA. Department of Anthropology, University College London, London WC1H 0BW, UK. brian.villmoare@unlv.edu wkimbel.iho@asu.edu. ; Institute of Human Origins and School of Human Evolution and Social Change, Arizona State University, Tempe, AZ 85287, USA. brian.villmoare@unlv.edu wkimbel.iho@asu.edu. ; Institute of Human Origins and School of Human Evolution and Social Change, Arizona State University, Tempe, AZ 85287, USA. Authority for Research and Conservation of Cultural Heritage, Addis Ababa, Ethiopia. ; Institute of Human Origins and School of Human Evolution and Social Change, Arizona State University, Tempe, AZ 85287, USA. ; Department of Geosciences, Pennsylvania State University, University Park, PA 16802, USA. ; Center for the Advanced Study of Hominin Paleobiology, George Washington University, Washington, DC 20052, USA. ; School of Earth and Space Exploration, Arizona State University, Tempe, AZ 85281, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25739410" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biological Evolution ; Ethiopia ; Fossils ; Hominidae/*anatomy & histology ; Humans ; Mandible/anatomy & histology ; Tooth/anatomy & histology
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  • 140
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    Unknown
    American Association for the Advancement of Science (AAAS)
    Publication Date: 2015-10-17
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Vogel, Gretchen -- New York, N.Y. -- Science. 2015 Oct 16;350(6258):261-2. doi: 10.1126/science.350.6258.261.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26472885" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cattle ; *Chimera ; *Embryonic Stem Cells ; *Financing, Organized ; Humans ; Mice ; National Institutes of Health (U.S.)/*economics ; Organ Transplantation ; Rats ; Stem Cell Research/*economics ; Swine ; United States
    Print ISSN: 0036-8075
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  • 141
    Publication Date: 2015-07-04
    Description: There are four closely-related dengue virus (DENV) serotypes. Infection with one serotype generates antibodies that may cross-react and enhance infection with other serotypes in a secondary infection. We demonstrated that DENV serotype 2 (DENV2)-specific human monoclonal antibody (HMAb) 2D22 is therapeutic in a mouse model of antibody-enhanced severe dengue disease. We determined the cryo-electron microscopy (cryo-EM) structures of HMAb 2D22 complexed with two different DENV2 strains. HMAb 2D22 binds across viral envelope (E) proteins in the dimeric structure, which probably blocks the E protein reorganization required for virus fusion. HMAb 2D22 "locks" two-thirds of or all dimers on the virus surface, depending on the strain, but neutralizes these DENV2 strains with equal potency. The epitope defined by HMAb 2D22 is a potential target for vaccines and therapeutics.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4672004/" 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/PMC4672004/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Fibriansah, Guntur -- Ibarra, Kristie D -- Ng, Thiam-Seng -- Smith, Scott A -- Tan, Joanne L -- Lim, Xin-Ni -- Ooi, Justin S G -- Kostyuchenko, Victor A -- Wang, Jiaqi -- de Silva, Aravinda M -- Harris, Eva -- Crowe, James E Jr -- Lok, Shee-Mei -- K08 AI103038/AI/NIAID NIH HHS/ -- R01 AI107731/AI/NIAID NIH HHS/ -- U54 AI057157/AI/NIAID NIH HHS/ -- U54 AI065359/AI/NIAID NIH HHS/ -- New York, N.Y. -- Science. 2015 Jul 3;349(6243):88-91. doi: 10.1126/science.aaa8651.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Program in Emerging Infectious Diseases, Duke-National University of Singapore Graduate Medical School, Singapore. Centre for BioImaging Sciences, National University of Singapore, Singapore. ; Division of Infectious Diseases and Vaccinology, School of Public Health, University of California, Berkeley, CA, USA. ; Department of Medicine, Vanderbilt University, Nashville, TN, USA. The Vanderbilt Vaccine Center, Vanderbilt University, Nashville, TN, USA. ; Department of Microbiology and Immunology, University of North Carolina School of Medicine, Chapel Hill, NC, USA. ; The Vanderbilt Vaccine Center, Vanderbilt University, Nashville, TN, USA. Departments of Pediatrics and Pathology, Microbiology and Immunology, Vanderbilt University, Nashville, TN, USA. sheemei.lok@duke-nus.edu.sg james.crowe@vanderbilt.edu. ; Program in Emerging Infectious Diseases, Duke-National University of Singapore Graduate Medical School, Singapore. Centre for BioImaging Sciences, National University of Singapore, Singapore. sheemei.lok@duke-nus.edu.sg james.crowe@vanderbilt.edu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26138979" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antibodies, Monoclonal/*ultrastructure ; Antibodies, Neutralizing/*ultrastructure ; Coinfection/immunology ; Cross Reactions ; Cryoelectron Microscopy ; Dengue Virus/*immunology ; Disease Models, Animal ; Epitopes/immunology ; Humans ; Mice ; Serogroup ; Viral Envelope Proteins/*immunology
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  • 142
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    Unknown
    American Association for the Advancement of Science (AAAS)
    Publication Date: 2015-11-21
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lichten, Michael -- New York, N.Y. -- Science. 2015 Nov 20;350(6263):913. doi: 10.1126/science.aad5404. Epub 2015 Nov 19.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉National Cancer Institute, Bethesda, MD 20892, USA. mlichten@helix.nih.gov.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26586748" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biological Evolution ; *DNA Breaks, Double-Stranded ; *Evolution, Molecular ; Finches/*genetics ; *Gene Expression Regulation ; *Homologous Recombination ; Meiosis/*genetics ; *Recombination, Genetic ; Repressor Proteins/*genetics ; Saccharomyces cerevisiae/*genetics
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  • 143
    Publication Date: 2015-08-15
    Description: Adenosine-to-inosine (A-to-I) editing is a highly prevalent posttranscriptional modification of RNA, mediated by ADAR (adenosine deaminase acting on RNA) enzymes. In addition to RNA editing, additional functions have been proposed for ADAR1. To determine the specific role of RNA editing by ADAR1, we generated mice with an editing-deficient knock-in mutation (Adar1(E861A), where E861A denotes Glu(861)--〉Ala(861)). Adar1(E861A/E861A) embryos died at ~E13.5 (embryonic day 13.5), with activated interferon and double-stranded RNA (dsRNA)-sensing pathways. Genome-wide analysis of the in vivo substrates of ADAR1 identified clustered hyperediting within long dsRNA stem loops within 3' untranslated regions of endogenous transcripts. Finally, embryonic death and phenotypes of Adar1(E861A/E861A) were rescued by concurrent deletion of the cytosolic sensor of dsRNA, MDA5. A-to-I editing of endogenous dsRNA is the essential function of ADAR1, preventing the activation of the cytosolic dsRNA response by endogenous transcripts.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Liddicoat, Brian J -- Piskol, Robert -- Chalk, Alistair M -- Ramaswami, Gokul -- Higuchi, Miyoko -- Hartner, Jochen C -- Li, Jin Billy -- Seeburg, Peter H -- Walkley, Carl R -- R01GM102484/GM/NIGMS NIH HHS/ -- T32 HG000044/HG/NHGRI NIH HHS/ -- New York, N.Y. -- Science. 2015 Sep 4;349(6252):1115-20. doi: 10.1126/science.aac7049. Epub 2015 Jul 23.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉St. Vincent's Institute of Medical Research, Fitzroy, Victoria 3065, Australia. Department of Medicine, St. Vincent's Hospital, University of Melbourne, Fitzroy, Victoria 3065, Australia. ; Department of Genetics, Stanford University, Stanford, CA 94305, USA. ; Department of Molecular Neurobiology, Max Planck Institute for Medical Research, 69120 Heidelberg, Germany. ; Taconic Biosciences, 51063 Cologne, Germany. ; St. Vincent's Institute of Medical Research, Fitzroy, Victoria 3065, Australia. Department of Medicine, St. Vincent's Hospital, University of Melbourne, Fitzroy, Victoria 3065, Australia. cwalkley@svi.edu.au.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26275108" target="_blank"〉PubMed〈/a〉
    Keywords: 3' Untranslated Regions ; Adenosine/genetics ; Adenosine Deaminase/genetics/*metabolism ; Animals ; DEAD-box RNA Helicases/genetics/*metabolism ; Embryo Loss/*genetics ; Gene Deletion ; Gene Knock-In Techniques ; Inosine/genetics ; Mice ; Mice, Mutant Strains ; Mutation ; Nucleic Acid Conformation ; *RNA Editing ; RNA, Double-Stranded/chemistry/*metabolism ; Transcription, Genetic
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  • 144
    Publication Date: 2015-10-03
    Description: gamma-Aminobutyric acid (GABA) is the major inhibitory transmitter in the mature brain but is excitatory in the developing cortex. We found that mouse zona incerta (ZI) projection neurons form a GABAergic axon plexus in neonatal cortical layer 1, making synapses with neurons in both deep and superficial layers. A similar depolarizing GABAergic plexus exists in the developing human cortex. Selectively silencing mouse ZI GABAergic neurons at birth decreased synaptic activity and apical dendritic complexity of cortical neurons. The ZI GABAergic projection becomes inhibitory with maturation and can block epileptiform activity in the adult brain. These data reveal an early-developing GABAergic projection from the ZI to cortical layer 1 that is essential for proper development of cortical neurons and balances excitation with inhibition in the adult cortex.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Chen, Jiadong -- Kriegstein, Arnold R -- R37 NS35710/NS/NINDS NIH HHS/ -- New York, N.Y. -- Science. 2015 Oct 30;350(6260):554-8. doi: 10.1126/science.aac6472. Epub 2015 Oct 1.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Neurology, Eli and Edythe Broad Center of Regeneration Medicine and Stem Cell Research, University of California, San Francisco, CA 94143, USA. jardongchen@gmail.com kriegsteina@stemcell.ucsf.edu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26429884" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Axons/physiology ; Cerebral Cortex/cytology/*embryology ; GABAergic Neurons/*cytology ; Humans ; Inhibitory Postsynaptic Potentials ; Mice ; Mice, Transgenic ; Synaptic Transmission ; Zona Incerta/cytology/*embryology
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  • 145
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    Unknown
    American Association for the Advancement of Science (AAAS)
    Publication Date: 2015-07-25
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Service, Robert F -- New York, N.Y. -- Science. 2015 Jul 24;349(6246):372-3. doi: 10.1126/science.349.6246.372.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26206914" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biological Evolution ; Collagen/chemistry ; *Extinction, Biological ; Fossils ; Humans ; Mammals ; Paleontology/*methods ; Proteomics/*methods ; Sequence Analysis, Protein/*methods ; Skull
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  • 146
    Publication Date: 2015-02-28
    Description: Evolutionary expansion of the human neocortex reflects increased amplification of basal progenitors in the subventricular zone, producing more neurons during fetal corticogenesis. In this work, we analyze the transcriptomes of distinct progenitor subpopulations isolated by a cell polarity-based approach from developing mouse and human neocortex. We identify 56 genes preferentially expressed in human apical and basal radial glia that lack mouse orthologs. Among these, ARHGAP11B has the highest degree of radial glia-specific expression. ARHGAP11B arose from partial duplication of ARHGAP11A (which encodes a Rho guanosine triphosphatase-activating protein) on the human lineage after separation from the chimpanzee lineage. Expression of ARHGAP11B in embryonic mouse neocortex promotes basal progenitor generation and self-renewal and can increase cortical plate area and induce gyrification. Hence, ARHGAP11B may have contributed to evolutionary expansion of human neocortex.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Florio, Marta -- Albert, Mareike -- Taverna, Elena -- Namba, Takashi -- Brandl, Holger -- Lewitus, Eric -- Haffner, Christiane -- Sykes, Alex -- Wong, Fong Kuan -- Peters, Jula -- Guhr, Elaine -- Klemroth, Sylvia -- Prufer, Kay -- Kelso, Janet -- Naumann, Ronald -- Nusslein, Ina -- Dahl, Andreas -- Lachmann, Robert -- Paabo, Svante -- Huttner, Wieland B -- New York, N.Y. -- Science. 2015 Mar 27;347(6229):1465-70. doi: 10.1126/science.aaa1975. Epub 2015 Feb 26.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Max Planck Institute of Molecular Cell Biology and Genetics (MPI-CBG), Pfotenhauerstrasse 108, D-01307 Dresden, Germany. ; Technische Universitat Dresden, Center for Regenerative Therapies Dresden, Fetscherstrasse 105, D-01307 Dresden, Germany. ; Max Planck Institute for Evolutionary Anthropology (MPI-EVA), Deutscher Platz 6, D-04103 Leipzig, Germany. ; Technische Universitat Dresden, Universitatsklinikum Carl Gustav Carus, Klinik und Poliklinik fur Frauenheilkunde und Geburtshilfe, Fetscherstrasse 74, D-01307 Dresden, Germany. ; Max Planck Institute of Molecular Cell Biology and Genetics (MPI-CBG), Pfotenhauerstrasse 108, D-01307 Dresden, Germany. huttner@mpi-cbg.de.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25721503" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Separation ; GTPase-Activating Proteins/chemistry/genetics/*physiology ; Gene Duplication ; *Gene Expression Regulation, Developmental ; Humans ; Lateral Ventricles/cytology ; Mice ; Neocortex/cytology/*embryology/metabolism ; Neural Stem Cells/*cytology/metabolism ; Neurogenesis/*genetics ; Neuroglia/cytology/metabolism ; Neurons/cytology/metabolism ; Protein Structure, Tertiary ; Transcriptome
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  • 147
    Publication Date: 2015-09-05
    Description: During viral infections, chemokines guide activated effector T cells to infection sites. However, the cells responsible for producing these chemokines and how such chemokines recruit T cells are unknown. Here, we show that the early recruitment of neutrophils into influenza-infected trachea is essential for CD8(+) T cell-mediated immune protection in mice. We observed that migrating neutrophils leave behind long-lasting trails that are enriched in the chemokine CXCL12. Experiments with granulocyte-specific CXCL12 conditionally depleted mice and a CXCR4 antagonist revealed that CXCL12 derived from neutrophil trails is critical for virus-specific CD8(+) T cell recruitment and effector functions. Collectively, these results suggest that neutrophils deposit long-lasting, chemokine-containing trails, which may provide both chemotactic and haptotactic cues for efficient CD8(+) T cell migration and localization in influenza-infected tissues.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lim, Kihong -- Hyun, Young-Min -- Lambert-Emo, Kris -- Capece, Tara -- Bae, Seyeon -- Miller, Richard -- Topham, David J -- Kim, Minsoo -- AI102851/AI/NIAID NIH HHS/ -- HHSN272201400005C/PHS HHS/ -- HL087088/HL/NHLBI NIH HHS/ -- New York, N.Y. -- Science. 2015 Sep 4;349(6252):aaa4352. doi: 10.1126/science.aaa4352.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Microbiology and Immunology, David H. Smith Center for Vaccine Biology and Immunology, University of Rochester, Rochester, NY, USA. ; Department of Pharmacology, Northwestern University, Chicago, IL, USA. ; Department of Microbiology and Immunology, David H. Smith Center for Vaccine Biology and Immunology, University of Rochester, Rochester, NY, USA. minsoo_kim@urmc.rochester.edu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26339033" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; CD8-Positive T-Lymphocytes/*immunology ; Chemokine CXCL12/*immunology/pharmacology ; Chemotaxis/*immunology ; Heterocyclic Compounds/pharmacology ; Influenza A virus/*immunology ; Lung/immunology/virology ; Male ; Matrix Metalloproteinase 2/immunology ; Matrix Metalloproteinase 9/immunology ; Mice ; Mice, Inbred C57BL ; Neutropenia/immunology ; Neutrophils/*immunology/virology ; Orthomyxoviridae Infections/*immunology ; Trachea/*immunology/virology
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  • 148
    Publication Date: 2015-03-15
    Description: Wireless deep brain stimulation of well-defined neuronal populations could facilitate the study of intact brain circuits and the treatment of neurological disorders. Here, we demonstrate minimally invasive and remote neural excitation through the activation of the heat-sensitive capsaicin receptor TRPV1 by magnetic nanoparticles. When exposed to alternating magnetic fields, the nanoparticles dissipate heat generated by hysteresis, triggering widespread and reversible firing of TRPV1(+) neurons. Wireless magnetothermal stimulation in the ventral tegmental area of mice evoked excitation in subpopulations of neurons in the targeted brain region and in structures receiving excitatory projections. The nanoparticles persisted in the brain for over a month, allowing for chronic stimulation without the need for implants and connectors.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Chen, Ritchie -- Romero, Gabriela -- Christiansen, Michael G -- Mohr, Alan -- Anikeeva, Polina -- New York, N.Y. -- Science. 2015 Mar 27;347(6229):1477-80. doi: 10.1126/science.1261821. Epub 2015 Mar 12.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Materials Science and Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139, USA. Research Laboratory of Electronics, Massachusetts Institute of Technology, Cambridge, MA 02139, USA. ; Research Laboratory of Electronics, Massachusetts Institute of Technology, Cambridge, MA 02139, USA. ; Department of Chemical Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139, USA. ; Department of Materials Science and Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139, USA. Research Laboratory of Electronics, Massachusetts Institute of Technology, Cambridge, MA 02139, USA. anikeeva@mit.edu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25765068" target="_blank"〉PubMed〈/a〉
    Keywords: Action Potentials ; Animals ; Deep Brain Stimulation/*methods ; Evoked Potentials ; HEK293 Cells ; Humans ; *Magnetite Nanoparticles ; Male ; Mice ; Mice, Inbred C57BL ; Neurons/physiology ; Rats ; TRPV Cation Channels/agonists ; Ventral Tegmental Area/physiology ; *Wireless Technology
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  • 149
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    Unknown
    American Association for the Advancement of Science (AAAS)
    Publication Date: 2015-07-25
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wade, Lizzie -- New York, N.Y. -- Science. 2015 Jul 24;349(6246):370-1. doi: 10.1126/science.349.6246.370. Epub 2015 Jul 23.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26206913" target="_blank"〉PubMed〈/a〉
    Keywords: Analytic Sample Preparation Methods ; Animals ; Biodiversity ; *Biological Evolution ; *Caves ; Cold Temperature ; DNA/chemistry/*genetics/*isolation & purification ; Hot Temperature ; Mexico ; Rodentia/*genetics ; Tooth/chemistry ; *Tropical Climate
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  • 150
    Publication Date: 2015-02-14
    Description: The identification of active neurons and circuits in vivo is a fundamental challenge in understanding the neural basis of behavior. Genetically encoded calcium (Ca(2+)) indicators (GECIs) enable quantitative monitoring of cellular-resolution activity during behavior. However, such indicators require online monitoring within a limited field of view. Alternatively, post hoc staining of immediate early genes (IEGs) indicates highly active cells within the entire brain, albeit with poor temporal resolution. We designed a fluorescent sensor, CaMPARI, that combines the genetic targetability and quantitative link to neural activity of GECIs with the permanent, large-scale labeling of IEGs, allowing a temporally precise "activity snapshot" of a large tissue volume. CaMPARI undergoes efficient and irreversible green-to-red conversion only when elevated intracellular Ca(2+) and experimenter-controlled illumination coincide. We demonstrate the utility of CaMPARI in freely moving larvae of zebrafish and flies, and in head-fixed mice and adult flies.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Fosque, Benjamin F -- Sun, Yi -- Dana, Hod -- Yang, Chao-Tsung -- Ohyama, Tomoko -- Tadross, Michael R -- Patel, Ronak -- Zlatic, Marta -- Kim, Douglas S -- Ahrens, Misha B -- Jayaraman, Vivek -- Looger, Loren L -- Schreiter, Eric R -- Howard Hughes Medical Institute/ -- New York, N.Y. -- Science. 2015 Feb 13;347(6223):755-60. doi: 10.1126/science.1260922.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Howard Hughes Medical Institute, Janelia Farm Research Campus, 19700 Helix Drive, Ashburn, VA 20147, USA. ; Howard Hughes Medical Institute, Janelia Farm Research Campus, 19700 Helix Drive, Ashburn, VA 20147, USA. schreitere@janelia.hhmi.org.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25678659" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biosensing Techniques ; Calcium/*analysis/metabolism ; Drosophila melanogaster ; Fluorescence ; *Genes, Immediate-Early ; Indicators and Reagents/analysis/metabolism ; Luminescent Proteins/genetics/*metabolism ; Mice ; Neural Pathways/*chemistry/cytology/physiology ; Neuronal Calcium-Sensor Proteins/genetics/*metabolism ; Protein Engineering ; Sensory Receptor Cells/*chemistry/physiology ; Staining and Labeling/*methods ; Zebrafish
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  • 151
    Publication Date: 2015-08-26
    Description: The identification of human broadly neutralizing antibodies (bnAbs) targeting the hemagglutinin (HA) stem revitalized hopes of developing a universal influenza vaccine. Using a rational design and library approach, we engineered stable HA stem antigens ("mini-HAs") based on an H1 subtype sequence. Our most advanced candidate exhibits structural and bnAb binding properties comparable to those of full-length HA, completely protects mice in lethal heterologous and heterosubtypic challenge models, and reduces fever after sublethal challenge in cynomolgus monkeys. Antibodies elicited by this mini-HA in mice and nonhuman primates bound a wide range of HAs, competed with human bnAbs for HA stem binding, neutralized H5N1 viruses, and mediated antibody-dependent effector activity. These results represent a proof of concept for the design of HA stem mimics that elicit bnAbs against influenza A group 1 viruses.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Impagliazzo, Antonietta -- Milder, Fin -- Kuipers, Harmjan -- Wagner, Michelle V -- Zhu, Xueyong -- Hoffman, Ryan M B -- van Meersbergen, Ruud -- Huizingh, Jeroen -- Wanningen, Patrick -- Verspuij, Johan -- de Man, Martijn -- Ding, Zhaoqing -- Apetri, Adrian -- Kukrer, Basak -- Sneekes-Vriese, Eveline -- Tomkiewicz, Danuta -- Laursen, Nick S -- Lee, Peter S -- Zakrzewska, Anna -- Dekking, Liesbeth -- Tolboom, Jeroen -- Tettero, Lisanne -- van Meerten, Sander -- Yu, Wenli -- Koudstaal, Wouter -- Goudsmit, Jaap -- Ward, Andrew B -- Meijberg, Wim -- Wilson, Ian A -- Radosevic, Katarina -- P41GM103393/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2015 Sep 18;349(6254):1301-6. doi: 10.1126/science.aac7263. Epub 2015 Aug 24.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Crucell Vaccine Institute, Janssen Center of Excellence for Immunoprophylaxis, Archimedesweg 4-6, 2301 CA Leiden, Netherlands. aimpagli@its.jnj.com wilson@scripps.edu. ; Crucell Vaccine Institute, Janssen Center of Excellence for Immunoprophylaxis, Archimedesweg 4-6, 2301 CA Leiden, Netherlands. ; Crucell Vaccine Institute, Janssen Center of Excellence for Immunoprophylaxis, 3210 Merryfield Row, San Diego, CA 92121, USA. ; Department of Integrative Structural and Computational Biology, The Scripps Research Institute, 10550 North Torrey Pines Road, La Jolla, CA 92037, USA. ; Department of Integrative Structural and Computational Biology, The Scripps Research Institute, 10550 North Torrey Pines Road, La Jolla, CA 92037, USA. aimpagli@its.jnj.com wilson@scripps.edu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26303961" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antibodies, Neutralizing/immunology ; Antibodies, Viral/immunology ; Hemagglutinin Glycoproteins, Influenza Virus/*chemistry/*immunology ; Humans ; Influenza A Virus, H1N1 Subtype/*immunology ; Influenza A Virus, H5N1 Subtype/*immunology ; Influenza Vaccines/*immunology ; Influenza, Human/*prevention & control ; Mice ; Protein Multimerization ; Protein Structure, Secondary
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  • 152
    Publication Date: 2015-02-14
    Description: Acute myeloid leukemia (AML) is the most common form of adult leukemia. The transcription factor fusion CBFbeta-SMMHC (core binding factor beta and the smooth-muscle myosin heavy chain), expressed in AML with the chromosome inversion inv(16)(p13q22), outcompetes wild-type CBFbeta for binding to the transcription factor RUNX1, deregulates RUNX1 activity in hematopoiesis, and induces AML. Current inv(16) AML treatment with nonselective cytotoxic chemotherapy results in a good initial response but limited long-term survival. Here, we report the development of a protein-protein interaction inhibitor, AI-10-49, that selectively binds to CBFbeta-SMMHC and disrupts its binding to RUNX1. AI-10-49 restores RUNX1 transcriptional activity, displays favorable pharmacokinetics, and delays leukemia progression in mice. Treatment of primary inv(16) AML patient blasts with AI-10-49 triggers selective cell death. These data suggest that direct inhibition of the oncogenic CBFbeta-SMMHC fusion protein may be an effective therapeutic approach for inv(16) AML, and they provide support for transcription factor targeted therapy in other cancers.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4423805/" 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/PMC4423805/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Illendula, Anuradha -- Pulikkan, John A -- Zong, Hongliang -- Grembecka, Jolanta -- Xue, Liting -- Sen, Siddhartha -- Zhou, Yunpeng -- Boulton, Adam -- Kuntimaddi, Aravinda -- Gao, Yan -- Rajewski, Roger A -- Guzman, Monica L -- Castilla, Lucio H -- Bushweller, John H -- 1 DP2 OD007399-01/OD/NIH HHS/ -- DP2 OD007399/OD/NIH HHS/ -- R01 AI039536/AI/NIAID NIH HHS/ -- R01 CA096983/CA/NCI NIH HHS/ -- R01 CA140398/CA/NCI NIH HHS/ -- T32 GM080186/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2015 Feb 13;347(6223):779-84. doi: 10.1126/science.aaa0314.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Molecular Physiology and Biological Physics, University of Virginia, Charlottesville, VA 22908, USA. ; Program in Gene Function and Expression, University of Massachusetts Medical School, Worcester, MA 01605, USA. ; Department of Medicine, Weill Medical College of Cornell University, New York, NY 10065, USA. ; Department of Pathology, University of Michigan, Ann Arbor, MI 48109, USA. ; Department of Pharmaceutical Chemistry, University of Kansas, Lawrence, KS 66045, USA. ; Program in Gene Function and Expression, University of Massachusetts Medical School, Worcester, MA 01605, USA. jhb4v@virginia.edu Lucio.Castilla@umassmed.edu. ; Department of Molecular Physiology and Biological Physics, University of Virginia, Charlottesville, VA 22908, USA. jhb4v@virginia.edu Lucio.Castilla@umassmed.edu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25678665" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antineoplastic Agents/chemistry/*therapeutic use ; Benzimidazoles/chemistry/*therapeutic use ; Cell Line, Tumor ; Core Binding Factor Alpha 2 Subunit/antagonists & inhibitors/metabolism ; Female ; Humans ; Leukemia, Myeloid, Acute/*drug therapy ; Mice ; Mice, Inbred C57BL ; Oncogene Proteins, Fusion/*antagonists & inhibitors/metabolism ; Protein Interaction Maps ; Small Molecule Libraries/chemistry
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  • 153
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    Unknown
    American Association for the Advancement of Science (AAAS)
    Publication Date: 2015-11-14
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wagner, Peter J -- New York, N.Y. -- Science. 2015 Nov 13;350(6262):736-7. doi: 10.1126/science.aad6283.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Paleobiology, National Museum of Natural History, Smithsonian Institution, Washington, DC 20560, USA. wagnerpj@si.edu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26564831" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biological Evolution ; *Body Size ; Fishes/*anatomy & histology
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  • 154
    Publication Date: 2015-11-28
    Description: Vibrational spectroscopy has been extensively applied to the study of molecules in gas phase, in condensed phase, and at interfaces. The transition from spectroscopy to spectroscopic imaging of living systems, which allows the spectrum of biomolecules to act as natural contrast, is opening new opportunities to reveal cellular machinery and to enable molecule-based diagnosis. Such a transition, however, involves more than a simple combination of spectrometry and microscopy. We review recent efforts that have pushed the boundary of the vibrational spectroscopic imaging field in terms of spectral acquisition speed, detection sensitivity, spatial resolution, and imaging depth. We further highlight recent applications in functional analysis of single cells and in label-free detection of diseases.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cheng, Ji-Xin -- Xie, X Sunney -- New York, N.Y. -- Science. 2015 Nov 27;350(6264):aaa8870. doi: 10.1126/science.aaa8870.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Weldon School of Biomedical Engineering and Department of Chemistry, Purdue University, West Lafayette, IN 47907, USA. jcheng@purdue.edu xie@chemistry.harvard.edu. ; Department of Chemistry and Chemical Biology, Harvard University, Cambridge, MA 02138, USA. jcheng@purdue.edu xie@chemistry.harvard.edu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26612955" target="_blank"〉PubMed〈/a〉
    Keywords: 3T3-L1 Cells ; Animals ; Biology ; Gases ; Humans ; Medicine ; Mice ; Microscopy/*methods ; Molecular Imaging/*methods ; Sensitivity and Specificity ; Spectrum Analysis, Raman/*methods ; Vibration
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  • 155
    Publication Date: 2015-08-08
    Description: Cytoplasmic aggregation of TDP-43, accompanied by its nuclear clearance, is a key common pathological hallmark of amyotrophic lateral sclerosis and frontotemporal dementia (ALS-FTD). However, a limited understanding of this RNA-binding protein (RBP) impedes the clarification of pathogenic mechanisms underlying TDP-43 proteinopathy. In contrast to RBPs that regulate splicing of conserved exons, we found that TDP-43 repressed the splicing of nonconserved cryptic exons, maintaining intron integrity. When TDP-43 was depleted from mouse embryonic stem cells, these cryptic exons were spliced into messenger RNAs, often disrupting their translation and promoting nonsense-mediated decay. Moreover, enforced repression of cryptic exons prevented cell death in TDP-43-deficient cells. Furthermore, repression of cryptic exons was impaired in ALS-FTD cases, suggesting that this splicing defect could potentially underlie TDP-43 proteinopathy.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ling, Jonathan P -- Pletnikova, Olga -- Troncoso, Juan C -- Wong, Philip C -- P50AG05146/AG/NIA NIH HHS/ -- New York, N.Y. -- Science. 2015 Aug 7;349(6248):650-5. doi: 10.1126/science.aab0983.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Pathology, Johns Hopkins University School of Medicine, Baltimore, MD 21205-2196, USA. ; Department of Pathology, Johns Hopkins University School of Medicine, Baltimore, MD 21205-2196, USA. Department of Neurology, Johns Hopkins University School of Medicine, Baltimore, MD 21205-2196, USA. ; Department of Pathology, Johns Hopkins University School of Medicine, Baltimore, MD 21205-2196, USA. Department of Neuroscience, Johns Hopkins University School of Medicine, Baltimore, MD 21205-2196, USA. wong@jhmi.edu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26250685" target="_blank"〉PubMed〈/a〉
    Keywords: Amyotrophic Lateral Sclerosis/*genetics ; Animals ; Base Sequence ; Cells, Cultured ; Cysteine Endopeptidases/genetics ; DNA-Binding Proteins/genetics/*physiology ; Embryonic Stem Cells ; Exons/*genetics ; Frontotemporal Dementia/*genetics ; Gene Knockout Techniques ; HeLa Cells ; Humans ; Mice ; Molecular Sequence Data ; Protein Isoforms/genetics ; *RNA Splicing ; RNA Stability ; RNA, Messenger/metabolism ; Sequence Analysis, DNA
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  • 156
    Publication Date: 2015-07-15
    Description: Changes to the symbiotic microbiota early in life, or the absence of it, can lead to exacerbated type 2 immunity and allergic inflammations. Although it is unclear how the microbiota regulates type 2 immunity, it is a strong inducer of proinflammatory T helper 17 (T(H)17) cells and regulatory T cells (T(regs)) in the intestine. Here, we report that microbiota-induced T(regs) express the nuclear hormone receptor RORgammat and differentiate along a pathway that also leads to T(H)17 cells. In the absence of RORgammat(+) T(regs), T(H)2-driven defense against helminths is more efficient, whereas T(H)2-associated pathology is exacerbated. Thus, the microbiota regulates type 2 responses through the induction of type 3 RORgammat(+) T(regs) and T(H)17 cells and acts as a key factor in balancing immune responses at mucosal surfaces.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ohnmacht, Caspar -- Park, Joo-Hong -- Cording, Sascha -- Wing, James B -- Atarashi, Koji -- Obata, Yuuki -- Gaboriau-Routhiau, Valerie -- Marques, Rute -- Dulauroy, Sophie -- Fedoseeva, Maria -- Busslinger, Meinrad -- Cerf-Bensussan, Nadine -- Boneca, Ivo G -- Voehringer, David -- Hase, Koji -- Honda, Kenya -- Sakaguchi, Shimon -- Eberl, Gerard -- New York, N.Y. -- Science. 2015 Aug 28;349(6251):989-93. doi: 10.1126/science.aac4263. Epub 2015 Jul 9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institut Pasteur, Microenvironment and Immunity Unit, 75724 Paris, France. ; Laboratory of Experimental Immunology, Immunology Frontier Research Center, Osaka University, Suita 565-0871, Japan. ; RIKEN Center for Integrative Medical Sciences (IMS-RCAI), Yokohama, Kanagawa 230-0045, Japan. PRESTO, Japan Science and Technology Agency, Saitama 332-0012, Japan. ; The Institute of Medical Science, The University of Tokyo, Tokyo 108-8639, Japan. ; INSERM, U1163, Laboratory of Intestinal Immunity, Paris, France. Universite Paris Descartes-Sorbonne Paris Cite and Institut Imagine, Paris, France. INRA Micalis UMR1319, Jouy-en-Josas, France. ; Center of Allergy and Environment (ZAUM), Technische Universitat and Helmholtz Zentrum Munchen, Munich, Germany. ; Research Institute of Molecular Pathology, Vienna Biocenter, 1030 Vienna, Austria. ; INSERM, U1163, Laboratory of Intestinal Immunity, Paris, France. Universite Paris Descartes-Sorbonne Paris Cite and Institut Imagine, Paris, France. ; Institut Pasteur, Biology and Genetics of Bacterial Cell Wall, 75724 Paris, France. INSERM, Groupe Avenir, 75015 Paris, France. ; Department of Infection Biology at the Institute of Clinical Microbiology, Immunology and Hygiene, University Clinic Erlangen and Friedrich-Alexander University Erlangen-Nuremberg, 91054 Erlangen, Germany. ; RIKEN Center for Integrative Medical Sciences (IMS-RCAI), Yokohama, Kanagawa 230-0045, Japan. CREST, Japan Science and Technology Agency, 4-1-8 Honcho Kawaguchi, Saitama 332-0012, Japan. ; Laboratory of Experimental Immunology, Immunology Frontier Research Center, Osaka University, Suita 565-0871, Japan. Department of Experimental Pathology, Institute for Frontier Medical Sciences, Kyoto University, Kyoto 606-8507, Japan. ; Institut Pasteur, Microenvironment and Immunity Unit, 75724 Paris, France. gerard.eberl@pasteur.fr.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26160380" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Colitis, Ulcerative/immunology ; Colon/immunology/microbiology ; Germ-Free Life ; Homeostasis ; *Immunity, Mucosal ; Intestinal Mucosa/*immunology/*microbiology ; Intestine, Small/immunology/microbiology ; Intestines/immunology/*microbiology ; Mice ; Microbiota/*immunology ; Models, Immunological ; Nematospiroides dubius ; Nuclear Receptor Subfamily 1, Group F, Member 3/*metabolism ; Specific Pathogen-Free Organisms ; Strongylida Infections/immunology ; T-Lymphocyte Subsets/immunology ; T-Lymphocytes, Regulatory/*immunology/metabolism ; Th17 Cells/immunology ; Th2 Cells/immunology ; Vitamin A/metabolism
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  • 157
    Publication Date: 2015-07-15
    Description: Human inborn errors of immunity mediated by the cytokines interleukin-17A and interleukin-17F (IL-17A/F) underlie mucocutaneous candidiasis, whereas inborn errors of interferon-gamma (IFN-gamma) immunity underlie mycobacterial disease. We report the discovery of bi-allelic RORC loss-of-function mutations in seven individuals from three kindreds of different ethnic origins with both candidiasis and mycobacteriosis. The lack of functional RORgamma and RORgammaT isoforms resulted in the absence of IL-17A/F-producing T cells in these individuals, probably accounting for their chronic candidiasis. Unexpectedly, leukocytes from RORgamma- and RORgammaT-deficient individuals also displayed an impaired IFN-gamma response to Mycobacterium. This principally reflected profoundly defective IFN-gamma production by circulating gammadelta T cells and CD4(+)CCR6(+)CXCR3(+) alphabeta T cells. In humans, both mucocutaneous immunity to Candida and systemic immunity to Mycobacterium require RORgamma, RORgammaT, or both.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4668938/" 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/PMC4668938/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Okada, Satoshi -- Markle, Janet G -- Deenick, Elissa K -- Mele, Federico -- Averbuch, Dina -- Lagos, Macarena -- Alzahrani, Mohammed -- Al-Muhsen, Saleh -- Halwani, Rabih -- Ma, Cindy S -- Wong, Natalie -- Soudais, Claire -- Henderson, Lauren A -- Marzouqa, Hiyam -- Shamma, Jamal -- Gonzalez, Marcela -- Martinez-Barricarte, Ruben -- Okada, Chizuru -- Avery, Danielle T -- Latorre, Daniela -- Deswarte, Caroline -- Jabot-Hanin, Fabienne -- Torrado, Egidio -- Fountain, Jeffrey -- Belkadi, Aziz -- Itan, Yuval -- Boisson, Bertrand -- Migaud, Melanie -- Arlehamn, Cecilia S Lindestam -- Sette, Alessandro -- Breton, Sylvain -- McCluskey, James -- Rossjohn, Jamie -- de Villartay, Jean-Pierre -- Moshous, Despina -- Hambleton, Sophie -- Latour, Sylvain -- Arkwright, Peter D -- Picard, Capucine -- Lantz, Olivier -- Engelhard, Dan -- Kobayashi, Masao -- Abel, Laurent -- Cooper, Andrea M -- Notarangelo, Luigi D -- Boisson-Dupuis, Stephanie -- Puel, Anne -- Sallusto, Federica -- Bustamante, Jacinta -- Tangye, Stuart G -- Casanova, Jean-Laurent -- 8UL1TR000043/TR/NCATS NIH HHS/ -- HHSN272200900044C/AI/NIAID NIH HHS/ -- HHSN272200900044C/PHS HHS/ -- R37 AI095983/AI/NIAID NIH HHS/ -- R37AI095983/AI/NIAID NIH HHS/ -- T32 AI007512/AI/NIAID NIH HHS/ -- Canadian Institutes of Health Research/Canada -- Howard Hughes Medical Institute/ -- New York, N.Y. -- Science. 2015 Aug 7;349(6248):606-13. doi: 10.1126/science.aaa4282. Epub 2015 Jul 9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉St. Giles Laboratory of Human Genetics of Infectious Diseases, Rockefeller Branch, The Rockefeller University, New York, NY 10065, USA. Department of Pediatrics, Hiroshima University Graduate School of Biomedical and Health Sciences, Hiroshima, Japan. ; St. Giles Laboratory of Human Genetics of Infectious Diseases, Rockefeller Branch, The Rockefeller University, New York, NY 10065, USA. jmarkle@rockefeller.edu jean-laurent.casanova@rockefeller.edu. ; Immunology Division, Garvan Institute of Medical Research, Darlinghurst, New South Wales, Australia. St Vincent's Clinical School, University of New South Wales, Sydney, New South Wales, Australia. ; Institute for Research in Biomedicine, University of Italian Switzerland, Bellinzona, Switzerland. ; Department of Pediatrics, Hadassah University Hospital, Jerusalem, Israel. ; Department of Immunology, School of Medicine, Universidad de Valparaiso, Santiago, Chile. Department of Pediatrics, Padre Hurtado Hospital and Clinica Alemana, Santiago, Chile. ; Department of Pediatrics, King Faisal Specialist Hospital and Research Center, Riyadh, Saudi Arabia. ; Department of Pediatrics, King Faisal Specialist Hospital and Research Center, Riyadh, Saudi Arabia. Department of Pediatrics, Prince Naif Center for Immunology Research, College of Medicine, King Saud University, Riyadh, Saudi Arabia. ; Department of Pediatrics, Prince Naif Center for Immunology Research, College of Medicine, King Saud University, Riyadh, Saudi Arabia. ; Immunology Division, Garvan Institute of Medical Research, Darlinghurst, New South Wales, Australia. ; Institut Curie, INSERM U932, Paris, France. ; Division of Immunology, Boston Children's Hospital, Boston, MA 02115, USA. ; Caritas Baby Hospital, Post Office Box 11535, Jerusalem, Israel. ; Department of Immunology, School of Medicine, Universidad de Valparaiso, Santiago, Chile. ; St. Giles Laboratory of Human Genetics of Infectious Diseases, Rockefeller Branch, The Rockefeller University, New York, NY 10065, USA. ; Laboratory of Human Genetics of Infectious Diseases, Necker Branch, INSERM UMR 1163, Paris, France. Paris Descartes University, Imagine Institute, Paris, France. ; Trudeau Institute, Saranac Lake, NY 12983, USA. ; La Jolla Institute for Allergy and Immunology, La Jolla, CA 92037, USA. ; Department of Radiology, Assistance Publique-Hopitaux de Paris (AP-HP), Necker Hospital for Sick Children, Paris, France. ; Department of Microbiology and Immunology, Peter Doherty Institute for Infection and Immunity, University of Melbourne, Parkville, Victoria, Australia. ; Department of Biochemistry and Molecular Biology, School of Biomedical Sciences, Monash University, Clayton, Victoria, Australia. Australian Research Council Centre of Excellence for Advanced Molecular Imaging, Monash University, Clayton, Victoria, Australia. Institute of Infection and Immunity, Cardiff University, School of Medicine, Heath Park, Cardiff CF14 4XN, UK. ; Laboratoire Dynamique du Genome et Systeme Immunitaire, INSERM UMR 1163, Universite Paris Descartes-Sorbonne Paris Cite, Imagine Institute, Paris, France. ; Laboratoire Dynamique du Genome et Systeme Immunitaire, INSERM UMR 1163, Universite Paris Descartes-Sorbonne Paris Cite, Imagine Institute, Paris, France. Pediatric Hematology-Immunology Unit, AP-HP, Necker Hospital for Sick Children, Paris, France. ; Institute of Cellular Medicine, Newcastle University and Great North Children's Hospital, Newcastle upon Tyne NE4 6BE, UK. ; Laboratory of Lymphocyte Activation and Susceptibility to EBV Infection, INSERM UMR 1163, Universite Paris Descartes-Sorbonne Paris Cite, Imagine Institute, Paris, France. ; Department of Paediatric Allergy Immunology, University of Manchester, Royal Manchester Children's Hospital, Manchester, UK. ; St. Giles Laboratory of Human Genetics of Infectious Diseases, Rockefeller Branch, The Rockefeller University, New York, NY 10065, USA. Laboratory of Human Genetics of Infectious Diseases, Necker Branch, INSERM UMR 1163, Paris, France. Paris Descartes University, Imagine Institute, Paris, France. Pediatric Hematology-Immunology Unit, AP-HP, Necker Hospital for Sick Children, Paris, France. Center for the Study of Primary Immunodeficiencies, AP-HP, Necker Hospital for Sick Children, Paris, France. ; Department of Pediatrics, Hiroshima University Graduate School of Biomedical and Health Sciences, Hiroshima, Japan. ; St. Giles Laboratory of Human Genetics of Infectious Diseases, Rockefeller Branch, The Rockefeller University, New York, NY 10065, USA. Laboratory of Human Genetics of Infectious Diseases, Necker Branch, INSERM UMR 1163, Paris, France. Paris Descartes University, Imagine Institute, Paris, France. ; Division of Immunology, Boston Children's Hospital, Boston, MA 02115, USA. Manton Center for Orphan Disease Research, Children's Hospital, Boston, MA 02115, USA. ; Institute for Research in Biomedicine, University of Italian Switzerland, Bellinzona, Switzerland. Center of Medical Immunology, Institute for Research in Biomedicine, University of Italian Switzerland, Bellinzona, Switzerland. ; St. Giles Laboratory of Human Genetics of Infectious Diseases, Rockefeller Branch, The Rockefeller University, New York, NY 10065, USA. Laboratory of Human Genetics of Infectious Diseases, Necker Branch, INSERM UMR 1163, Paris, France. Paris Descartes University, Imagine Institute, Paris, France. Center for the Study of Primary Immunodeficiencies, AP-HP, Necker Hospital for Sick Children, Paris, France. ; St. Giles Laboratory of Human Genetics of Infectious Diseases, Rockefeller Branch, The Rockefeller University, New York, NY 10065, USA. Laboratory of Human Genetics of Infectious Diseases, Necker Branch, INSERM UMR 1163, Paris, France. Paris Descartes University, Imagine Institute, Paris, France. Pediatric Hematology-Immunology Unit, AP-HP, Necker Hospital for Sick Children, Paris, France. Howard Hughes Medical Institute, New York, NY 10065, USA. jmarkle@rockefeller.edu jean-laurent.casanova@rockefeller.edu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26160376" target="_blank"〉PubMed〈/a〉
    Keywords: Alleles ; Animals ; Candida albicans/*immunology ; Candidiasis, Chronic Mucocutaneous/complications/*genetics/immunology ; Cattle ; Child ; Child, Preschool ; DNA Mutational Analysis ; Exome/genetics ; Female ; Gene Rearrangement, alpha-Chain T-Cell Antigen Receptor ; Humans ; Immunity/*genetics ; Interferon-gamma/immunology ; Interleukin-17/immunology ; Mice ; Mutation ; Mycobacterium bovis/immunology/isolation & purification ; Mycobacterium tuberculosis/immunology/isolation & purification ; Nuclear Receptor Subfamily 1, Group F, Member 3/*genetics ; Pedigree ; Receptors, Antigen, T-Cell, alpha-beta/genetics/immunology ; Receptors, Antigen, T-Cell, gamma-delta/genetics/immunology ; Severe Combined Immunodeficiency/*genetics ; T-Lymphocytes/immunology ; Thymus Gland/abnormalities/immunology ; Tuberculosis, Bovine/*genetics/immunology ; Tuberculosis, Pulmonary/*genetics/immunology
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  • 158
    Publication Date: 2015-04-18
    Description: Protective CD8(+) T cell-mediated immunity requires a massive expansion in cell number and the development of long-lived memory cells. Using forward genetics in mice, we identified an orphan protein named lymphocyte expansion molecule (LEM) that promoted antigen-dependent CD8(+) T cell proliferation, effector function, and memory cell generation in response to infection with lymphocytic choriomeningitis virus. Generation of LEM-deficient mice confirmed these results. Through interaction with CR6 interacting factor (CRIF1), LEM controlled the levels of oxidative phosphorylation (OXPHOS) complexes and respiration, resulting in the production of pro-proliferative mitochondrial reactive oxygen species (mROS). LEM provides a link between immune activation and the expansion of protective CD8(+) T cells driven by OXPHOS and represents a pathway for the restoration of long-term protective immunity based on metabolically modified cytotoxic CD8(+) T cells.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Okoye, Isobel -- Wang, Lihui -- Pallmer, Katharina -- Richter, Kirsten -- Ichimura, Takahuru -- Haas, Robert -- Crouse, Josh -- Choi, Onjee -- Heathcote, Dean -- Lovo, Elena -- Mauro, Claudio -- Abdi, Reza -- Oxenius, Annette -- Rutschmann, Sophie -- Ashton-Rickardt, Philip G -- A9995/Cancer Research UK/United Kingdom -- AI091930/AI/NIAID NIH HHS/ -- AI45108/AI/NIAID NIH HHS/ -- FS/12/38/29640/British Heart Foundation/United Kingdom -- G0700795/Medical Research Council/United Kingdom -- Wellcome Trust/United Kingdom -- New York, N.Y. -- Science. 2015 May 29;348(6238):995-1001. doi: 10.1126/science.aaa7516. Epub 2015 Apr 16.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Section of Immunobiology, Division of Inflammation and Immunology, Department of Medicine, Faculty of Medicine, Imperial College London, Exhibition Road, London SW7 2AZ, UK. ; Institute of Microbiology, Eidgenossische Technische Hochschule Zurich (ETHZ), Vladimir-Prelog-Weg 1-5/10, 8093 Zurich, Switzerland. ; Transplantation Research Center, Brigham and Women's Hospital, Harvard Medical School, 221 Longwood Avenue, Boston, MA 02215, USA. ; William Harvey Research Institute, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, London EC1M 6BQ, UK. ; Section of Immunobiology, Division of Inflammation and Immunology, Department of Medicine, Faculty of Medicine, Imperial College London, Exhibition Road, London SW7 2AZ, UK. Transplantation Research Center, Brigham and Women's Hospital, Harvard Medical School, 221 Longwood Avenue, Boston, MA 02215, USA. p.ashton-rickardt@imperial.ac.uk.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25883318" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; CD8-Positive T-Lymphocytes/*immunology/*metabolism ; Cell Cycle Proteins/metabolism ; Cell Respiration ; Immunity, Cellular ; *Immunologic Memory ; Lymphocytic Choriomeningitis/immunology ; Lymphocytic choriomeningitis virus/immunology ; Mice ; Mice, Inbred C57BL ; Mice, Knockout ; Mitochondria/*metabolism ; Mitochondrial Proteins/genetics/*metabolism ; Molecular Sequence Data ; Oxidative Phosphorylation ; Reactive Oxygen Species/metabolism
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  • 159
    facet.materialart.
    Unknown
    American Association for the Advancement of Science (AAAS)
    Publication Date: 2015-11-14
    Description: Mammoths provide a detailed example of species origins and dispersal, but understanding has been impeded by taxonomic confusion, especially in North America. The Columbian mammoth Mammuthus columbi was thought to have evolved in North America from a more primitive Eurasian immigrant. The earliest American mammoths (1.5 million years ago), however, resemble the advanced Eurasian M. trogontherii that crossed the Bering land bridge around that time, giving rise directly to M. columbi. Woolly mammoth M. primigenius later evolved in Beringia and spread into Europe and North America, leading to a diversity of morphologies as it encountered endemic M. trogontherii and M. columbi, respectively. In North America, this included intermediates ("M. jeffersonii"), suggesting introgression of M. primigenius with M. columbi. The lineage illustrates the dynamic interplay of local adaptation, dispersal, and gene flow in the evolution of a widely distributed species complex.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lister, A M -- Sher, A V -- New York, N.Y. -- Science. 2015 Nov 13;350(6262):805-9. doi: 10.1126/science.aac5660.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Earth Sciences, Natural History Museum, London SW7 5BD, UK. a.lister@nhm.ac.uk. ; Severtsov Institute of Ecology and Evolution, Moscow 119071, Russia.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26564853" target="_blank"〉PubMed〈/a〉
    Keywords: Adaptation, Physiological ; Animal Migration ; Animals ; *Biological Evolution ; Europe ; Fossils ; Gene Flow ; Mammoths/anatomy & histology/*classification/genetics ; Molar/anatomy & histology ; North America ; Tooth Wear/pathology
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 160
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2015-03-21
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Servick, Kelly -- New York, N.Y. -- Science. 2015 Mar 20;347(6228):1299. doi: 10.1126/science.347.6228.1299.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25792309" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antibodies/immunology ; Energy Metabolism ; *Enzyme-Linked Immunosorbent Assay ; Exercise/*physiology ; False Positive Reactions ; Fibronectins/*blood/immunology/metabolism ; Humans ; Mice ; Molecular Targeted Therapy ; Muscle, Skeletal/metabolism ; Obesity/drug therapy/metabolism ; *Reagent Kits, Diagnostic
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 161
    Publication Date: 2015-06-27
    Description: Cardiac progenitor cells are multipotent and give rise to cardiac endothelium, smooth muscle, and cardiomyocytes. Here, we define and characterize the cardiomyoblast intermediate that is committed to the cardiomyocyte fate, and we characterize the niche signals that regulate commitment. Cardiomyoblasts express Hopx, which functions to coordinate local Bmp signals to inhibit the Wnt pathway, thus promoting cardiomyogenesis. Hopx integrates Bmp and Wnt signaling by physically interacting with activated Smads and repressing Wnt genes. The identification of the committed cardiomyoblast that retains proliferative potential will inform cardiac regenerative therapeutics. In addition, Bmp signals characterize adult stem cell niches in other tissues where Hopx-mediated inhibition of Wnt is likely to contribute to stem cell quiescence and to explain the role of Hopx as a tumor suppressor.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Jain, Rajan -- Li, Deqiang -- Gupta, Mudit -- Manderfield, Lauren J -- Ifkovits, Jamie L -- Wang, Qiaohong -- Liu, Feiyan -- Liu, Ying -- Poleshko, Andrey -- Padmanabhan, Arun -- Raum, Jeffrey C -- Li, Li -- Morrisey, Edward E -- Lu, Min Min -- Won, Kyoung-Jae -- Epstein, Jonathan A -- 5-T32-GM-007170/GM/NIGMS NIH HHS/ -- K08 HL119553/HL/NHLBI NIH HHS/ -- K08 HL119553-02/HL/NHLBI NIH HHS/ -- R01 HL071546/HL/NHLBI NIH HHS/ -- U01 HL100405/HL/NHLBI NIH HHS/ -- New York, N.Y. -- Science. 2015 Jun 26;348(6242):aaa6071. doi: 10.1126/science.aaa6071.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Cell and Developmental Biology, Penn Cardiovascular Institute, Institute of Regenerative Medicine, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA 19104, USA. ; Department of Genetics, Institute for Diabetes, Obesity, and Metabolism, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA 19104, USA. ; Department of Cell and Developmental Biology, Penn Cardiovascular Institute, Institute of Regenerative Medicine, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA 19104, USA. epsteinj@upenn.edu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26113728" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Bone Morphogenetic Proteins/genetics/*metabolism ; Cell Lineage/genetics ; Gene Expression ; *Gene Expression Regulation, Developmental ; Heart/*embryology ; Homeodomain Proteins/genetics/*metabolism ; Mice ; Mice, Mutant Strains ; Molecular Sequence Data ; Muscle, Smooth/cytology/metabolism ; Myoblasts, Cardiac/cytology/*metabolism ; Organogenesis/*genetics ; Stem Cell Niche/genetics/physiology ; Tumor Suppressor Proteins/genetics/*metabolism ; Wnt Signaling Pathway/*genetics
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  • 162
    Publication Date: 2015-10-24
    Description: The nucleotide-binding oligomerization domain-like receptor (Nlrp) 6 maintains gut microbiota homeostasis and regulates antibacterial immunity. We now report a role for Nlrp6 in the control of enteric virus infection. Nlrp6(-/-) and control mice systemically challenged with encephalomyocarditis virus had similar mortality; however, the gastrointestinal tract of Nlrp6(-/-) mice exhibited increased viral loads. Nlrp6(-/-) mice orally infected with encephalomyocarditis virus had increased mortality and viremia compared with controls. Similar results were observed with murine norovirus 1. Nlrp6 bound viral RNA via the RNA helicase Dhx15 and interacted with mitochondrial antiviral signaling protein to induce type I/III interferons (IFNs) and IFN-stimulated genes (ISGs). These data demonstrate that Nlrp6 functions with Dhx15 as a viral RNA sensor to induce ISGs, and this effect is especially important in the intestinal tract.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wang, Penghua -- Zhu, Shu -- Yang, Long -- Cui, Shuang -- Pan, Wen -- Jackson, Ruaidhri -- Zheng, Yunjiang -- Rongvaux, Anthony -- Sun, Qiangming -- Yang, Guang -- Gao, Shandian -- Lin, Rongtuan -- You, Fuping -- Flavell, Richard -- Fikrig, Erol -- AI099625/AI/NIAID NIH HHS/ -- AI103807/AI/NIAID NIH HHS/ -- N01-HHSN272201100019C/PHS HHS/ -- R03 AI099625/AI/NIAID NIH HHS/ -- R21 AI103807/AI/NIAID NIH HHS/ -- Howard Hughes Medical Institute/ -- New York, N.Y. -- Science. 2015 Nov 13;350(6262):826-30. doi: 10.1126/science.aab3145. Epub 2015 Oct 22.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Section of Infectious Diseases, Yale University School of Medicine, 300 Cedar Street, New Haven, CT 06510, USA. Department of Microbiology and Immunology, New York Medical College, Valhalla, NY 10595, USA. ; Department of Immunobiology, Yale University School of Medicine, 300 Cedar Street, New Haven, CT 06510, USA. ; Section of Infectious Diseases, Yale University School of Medicine, 300 Cedar Street, New Haven, CT 06510, USA. ; Department of Genetics, Yale University School of Medicine, 300 Cedar Street, New Haven, CT 06510, USA. ; Lady Davis Institute, Department of Medicine, McGill University, Montreal, Quebec, Canada. ; Department of Immunobiology, Yale University School of Medicine, 300 Cedar Street, New Haven, CT 06510, USA. Howard Hughes Medical Institute, Chevy Chase, MD 20815-6789, USA. richard.flavell@yale.edu erol.fikrig@yale.edu. ; Section of Infectious Diseases, Yale University School of Medicine, 300 Cedar Street, New Haven, CT 06510, USA. Howard Hughes Medical Institute, Chevy Chase, MD 20815-6789, USA. richard.flavell@yale.edu erol.fikrig@yale.edu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26494172" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Caliciviridae Infections/immunology/virology ; Cardiovirus Infections/immunology/virology ; Cytokines/genetics ; Encephalomyocarditis virus/immunology ; Gastroenteritis/immunology/virology ; Gene Expression Regulation ; HEK293 Cells ; Humans ; Immunity, Innate/*genetics ; Interferon Type I/*immunology ; Intestines/*immunology/*virology ; Mice ; Mice, Mutant Strains ; Norovirus/immunology ; RNA Helicases/*physiology ; RNA, Viral/*immunology ; Receptors, Cell Surface/genetics/*physiology ; Ubiquitins/genetics ; Viremia/genetics/immunology
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  • 163
    Publication Date: 2015-10-03
    Description: Dendritic cells can capture and transfer retroviruses in vitro across synaptic cell-cell contacts to uninfected cells, a process called trans-infection. Whether trans-infection contributes to retroviral spread in vivo remains unknown. Here, we visualize how retroviruses disseminate in secondary lymphoid tissues of living mice. We demonstrate that murine leukemia virus (MLV) and human immunodeficiency virus (HIV) are first captured by sinus-lining macrophages. CD169/Siglec-1, an I-type lectin that recognizes gangliosides, captures the virus. MLV-laden macrophages then form long-lived synaptic contacts to trans-infect B-1 cells. Infected B-1 cells subsequently migrate into the lymph node to spread the infection through virological synapses. Robust infection in lymph nodes and spleen requires CD169, suggesting that a combination of fluid-based movement followed by CD169-dependent trans-infection can contribute to viral spread.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4651917/" 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/PMC4651917/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sewald, Xaver -- Ladinsky, Mark S -- Uchil, Pradeep D -- Beloor, Jagadish -- Pi, Ruoxi -- Herrmann, Christin -- Motamedi, Nasim -- Murooka, Thomas T -- Brehm, Michael A -- Greiner, Dale L -- Shultz, Leonard D -- Mempel, Thorsten R -- Bjorkman, Pamela J -- Kumar, Priti -- Mothes, Walther -- P01 AI078897/AI/NIAID NIH HHS/ -- P30 CA016359/CA/NCI NIH HHS/ -- P50 GM082545/GM/NIGMS NIH HHS/ -- P50GM082545/GM/NIGMS NIH HHS/ -- R01 AI097052/AI/NIAID NIH HHS/ -- R01 AI112443/AI/NIAID NIH HHS/ -- R01 CA098727/CA/NCI NIH HHS/ -- R01 DA036298/DA/NIDA NIH HHS/ -- S10 RR026697/RR/NCRR NIH HHS/ -- New York, N.Y. -- Science. 2015 Oct 30;350(6260):563-7. doi: 10.1126/science.aab2749. Epub 2015 Oct 1.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Microbial Pathogenesis, Yale University School of Medicine, New Haven, CT 06510, USA. sewald@mvp.uni-muenchen.de priti.kumar@yale.edu walther.mothes@yale.edu. ; Division of Biology and Biological Engineering, California Institute of Technology, Pasadena, CA 91125, USA. ; Department of Microbial Pathogenesis, Yale University School of Medicine, New Haven, CT 06510, USA. ; Department of Internal Medicine, Yale University School of Medicine, New Haven, CT 06510, USA. ; Department of Genetics, Yale University School of Medicine, New Haven, CT 06510, USA. ; Center for Immunology and Inflammatory Diseases, Massachusetts General Hospital, Harvard Medical School, Boston, MA 02114, USA. ; Program in Molecular Medicine, University of Massachusetts Medical School, Worcester, MA 01655, USA. ; The Jackson Laboratory, Bar Harbor, ME 04609, USA. ; Department of Internal Medicine, Yale University School of Medicine, New Haven, CT 06510, USA. sewald@mvp.uni-muenchen.de priti.kumar@yale.edu walther.mothes@yale.edu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26429886" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Dendritic Cells/immunology/virology ; HIV Infections/*immunology ; HIV-1/*physiology ; Humans ; Leukemia Virus, Murine/*physiology ; Lymph Nodes/immunology/virology ; Lymphocytes/immunology/*virology ; Macrophages/immunology/virology ; Mice ; Mice, Inbred C57BL ; Mice, Knockout ; Retroviridae Infections/*immunology ; Sialic Acid Binding Ig-like Lectin 1/genetics/*physiology ; Spleen/immunology/virology ; *Virus Internalization
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  • 164
    Publication Date: 2015-02-01
    Description: During virus infection, the adaptor proteins MAVS and STING transduce signals from the cytosolic nucleic acid sensors RIG-I and cGAS, respectively, to induce type I interferons (IFNs) and other antiviral molecules. Here we show that MAVS and STING harbor two conserved serine and threonine clusters that are phosphorylated by the kinases IKK and/or TBK1 in response to stimulation. Phosphorylated MAVS and STING then bind to a positively charged surface of interferon regulatory factor 3 (IRF3) and thereby recruit IRF3 for its phosphorylation and activation by TBK1. We further show that TRIF, an adaptor protein in Toll-like receptor signaling, activates IRF3 through a similar phosphorylation-dependent mechanism. These results reveal that phosphorylation of innate adaptor proteins is an essential and conserved mechanism that selectively recruits IRF3 to activate the type I IFN pathway.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Liu, Siqi -- Cai, Xin -- Wu, Jiaxi -- Cong, Qian -- Chen, Xiang -- Li, Tuo -- Du, Fenghe -- Ren, Junyao -- Wu, You-Tong -- Grishin, Nick V -- Chen, Zhijian J -- AI-93967/AI/NIAID NIH HHS/ -- GM-094575/GM/NIGMS NIH HHS/ -- GM-63692/GM/NIGMS NIH HHS/ -- Howard Hughes Medical Institute/ -- New York, N.Y. -- Science. 2015 Mar 13;347(6227):aaa2630. doi: 10.1126/science.aaa2630. Epub 2015 Jan 29.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Molecular Biology, University of Texas Southwestern Medical Center, Dallas, TX 75390-9148, USA. ; Departments of Biophysics and Biochemistry, University of Texas Southwestern Medical Center, Dallas, TX 75390-9148, USA. ; Department of Molecular Biology, University of Texas Southwestern Medical Center, Dallas, TX 75390-9148, USA. Howard Hughes Medical Institute (HHMI), University of Texas Southwestern Medical Center, Dallas, TX 75390-9148, USA. ; Departments of Biophysics and Biochemistry, University of Texas Southwestern Medical Center, Dallas, TX 75390-9148, USA. Howard Hughes Medical Institute (HHMI), University of Texas Southwestern Medical Center, Dallas, TX 75390-9148, USA. ; Department of Molecular Biology, University of Texas Southwestern Medical Center, Dallas, TX 75390-9148, USA. Howard Hughes Medical Institute (HHMI), University of Texas Southwestern Medical Center, Dallas, TX 75390-9148, USA. zhijian.chen@utsouthwestern.edu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25636800" target="_blank"〉PubMed〈/a〉
    Keywords: Adaptor Proteins, Signal Transducing/chemistry/*metabolism ; Adaptor Proteins, Vesicular Transport/chemistry/*metabolism ; Amino Acid Sequence ; Animals ; Cell Line ; Humans ; I-kappa B Kinase/metabolism ; Interferon Regulatory Factor-3/chemistry/*metabolism ; Interferon-alpha/biosynthesis ; Interferon-beta/biosynthesis ; Membrane Proteins/chemistry/*metabolism ; Mice ; Molecular Sequence Data ; Phosphorylation ; Protein Binding ; Protein Multimerization ; Protein-Serine-Threonine Kinases/metabolism ; Recombinant Proteins/metabolism ; Sendai virus/physiology ; Serine/metabolism ; Signal Transduction ; Ubiquitination ; Vesiculovirus/physiology
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  • 165
    Publication Date: 2015-06-27
    Description: The fear responses to environmental threats play a fundamental role in survival. Little is known about the neural circuits specifically processing threat-relevant sensory information in the mammalian brain. We identified parvalbumin-positive (PV(+)) excitatory projection neurons in mouse superior colliculus (SC) as a key neuronal subtype for detecting looming objects and triggering fear responses. These neurons, distributed predominantly in the superficial SC, divergently projected to different brain areas, including the parabigeminal nucleus (PBGN), an intermediate station leading to the amygdala. Activation of the PV(+) SC-PBGN pathway triggered fear responses, induced conditioned aversion, and caused depression-related behaviors. Approximately 20% of mice subjected to the fear-conditioning paradigm developed a generalized fear memory.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Shang, Congping -- Liu, Zhihui -- Chen, Zijun -- Shi, Yingchao -- Wang, Qian -- Liu, Su -- Li, Dapeng -- Cao, Peng -- New York, N.Y. -- Science. 2015 Jun 26;348(6242):1472-7. doi: 10.1126/science.aaa8694.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉State Key Laboratory of Brain and Cognitive Sciences, Institute of Biophysics, Chinese Academy of Sciences, Beijing 100101, China. University of Chinese Academy of Sciences, Beijing 100049, China. ; State Key Laboratory of Brain and Cognitive Sciences, Institute of Biophysics, Chinese Academy of Sciences, Beijing 100101, China. ; State Key Laboratory of Brain and Cognitive Sciences, Institute of Biophysics, Chinese Academy of Sciences, Beijing 100101, China. pcao@ibp.ac.cn.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26113723" target="_blank"〉PubMed〈/a〉
    Keywords: Amygdala/physiology ; Animals ; Conditioning, Classical ; Fear/*physiology ; Female ; Male ; Memory/*physiology ; Mice ; Neurons/chemistry/*physiology ; Parvalbumins/analysis/*metabolism ; Superior Colliculi/cytology/*physiology ; Visual Pathways/*physiology
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  • 166
    Publication Date: 2015-06-13
    Description: Steffen et al. (Research Articles, 13 February 2015, p. 736) recently assessed current global freshwater use, finding it to be well below a corresponding planetary boundary. However, they ignored recent scientific advances implying that the global consumptive use of freshwater may have already crossed the associated planetary boundary.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Jaramillo, Fernando -- Destouni, Georgia -- New York, N.Y. -- Science. 2015 Jun 12;348(6240):1217. doi: 10.1126/science.aaa9629. Epub 2015 Jun 11.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Physical Geography, Stockholm University, SE-106 91, Stockholm, Sweden. Bolin Centre for Climate Research, Stockholm University, SE-106 91, Stockholm, Sweden. fernando.jaramillo@natgeo.su.se. ; Department of Physical Geography, Stockholm University, SE-106 91, Stockholm, Sweden. Bolin Centre for Climate Research, Stockholm University, SE-106 91, Stockholm, Sweden.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26068843" target="_blank"〉PubMed〈/a〉
    Keywords: *Biological Evolution ; *Climate Change ; *Earth (Planet) ; Humans ; *Ozone Depletion
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  • 167
    Publication Date: 2015-07-18
    Description: Secretion of the cytokine interleukin-1beta (IL-1beta) by macrophages, a major driver of pathogenesis in atherosclerosis, requires two steps: Priming signals promote transcription of immature IL-1beta, and then endogenous "danger" signals activate innate immune signaling complexes called inflammasomes to process IL-1beta for secretion. Although cholesterol crystals are known to act as danger signals in atherosclerosis, what primes IL-1beta transcription remains elusive. Using a murine model of atherosclerosis, we found that cholesterol crystals acted both as priming and danger signals for IL-1beta production. Cholesterol crystals triggered neutrophils to release neutrophil extracellular traps (NETs). NETs primed macrophages for cytokine release, activating T helper 17 (TH17) cells that amplify immune cell recruitment in atherosclerotic plaques. Therefore, danger signals may drive sterile inflammation, such as that seen in atherosclerosis, through their interactions with neutrophils.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Warnatsch, Annika -- Ioannou, Marianna -- Wang, Qian -- Papayannopoulos, Venizelos -- MC_UP_1202/13/Medical Research Council/United Kingdom -- New York, N.Y. -- Science. 2015 Jul 17;349(6245):316-20. doi: 10.1126/science.aaa8064. Epub 2015 Jul 16.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Mill Hill Laboratory, Francis Crick Institute, London NW7 1AA, UK. ; Mill Hill Laboratory, Francis Crick Institute, London NW7 1AA, UK. veni.p@crick.ac.uk.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26185250" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Apolipoproteins E/genetics ; Atherosclerosis/*immunology ; Cells, Cultured ; Cholesterol/chemistry/immunology ; Disease Models, Animal ; Extracellular Traps/*immunology ; Humans ; Inflammasomes/immunology ; Inflammation/immunology ; Interleukin-1beta/*biosynthesis/genetics ; Macrophages/*immunology ; Mice ; Mice, Mutant Strains ; Neutrophils/*immunology ; Signal Transduction ; Th17 Cells/immunology ; Transcription, Genetic
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  • 168
    Publication Date: 2015-06-20
    Description: A major goal of HIV-1 vaccine research is the design of immunogens capable of inducing broadly neutralizing antibodies (bnAbs) that bind to the viral envelope glycoprotein (Env). Poor binding of Env to unmutated precursors of bnAbs, including those of the VRC01 class, appears to be a major problem for bnAb induction. We engineered an immunogen that binds to VRC01-class bnAb precursors and immunized knock-in mice expressing germline-reverted VRC01 heavy chains. Induced antibodies showed characteristics of VRC01-class bnAbs, including a short CDRL3 (light-chain complementarity-determining region 3) and mutations that favored binding to near-native HIV-1 gp120 constructs. In contrast, native-like immunogens failed to activate VRC01-class precursors. The results suggest that rational epitope design can prime rare B cell precursors for affinity maturation to desired targets.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4669217/" 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/PMC4669217/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Jardine, Joseph G -- Ota, Takayuki -- Sok, Devin -- Pauthner, Matthias -- Kulp, Daniel W -- Kalyuzhniy, Oleksandr -- Skog, Patrick D -- Thinnes, Theresa C -- Bhullar, Deepika -- Briney, Bryan -- Menis, Sergey -- Jones, Meaghan -- Kubitz, Mike -- Spencer, Skye -- Adachi, Yumiko -- Burton, Dennis R -- Schief, William R -- Nemazee, David -- 1UM1AI100663/AI/NIAID NIH HHS/ -- P01 AI094419/AI/NIAID NIH HHS/ -- P01AI081625/AI/NIAID NIH HHS/ -- R01 AI073148/AI/NIAID NIH HHS/ -- R01 AI081625/AI/NIAID NIH HHS/ -- R01-AI073148/AI/NIAID NIH HHS/ -- T32 AI007244/AI/NIAID NIH HHS/ -- UM1 AI100663/AI/NIAID NIH HHS/ -- New York, N.Y. -- Science. 2015 Jul 10;349(6244):156-61. doi: 10.1126/science.aac5894. Epub 2015 Jun 18.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Immunology and Microbial Science, The Scripps Research Institute, La Jolla, CA 92037, USA. International AIDS Vaccine Initiative (IAVI) Neutralizing Antibody Center (NAC), The Scripps Research Institute, La Jolla, CA 92037, USA. Center for HIV/AIDS Vaccine Immunology and Immunogen Discovery, The Scripps Research Institute, La Jolla, CA 92037, USA. ; Department of Immunology and Microbial Science, The Scripps Research Institute, La Jolla, CA 92037, USA. ; Department of Immunology and Microbial Science, The Scripps Research Institute, La Jolla, CA 92037, USA. International AIDS Vaccine Initiative (IAVI) Neutralizing Antibody Center (NAC), The Scripps Research Institute, La Jolla, CA 92037, USA. Center for HIV/AIDS Vaccine Immunology and Immunogen Discovery, The Scripps Research Institute, La Jolla, CA 92037, USA. Ragon Institute of MGH, MIT, and Harvard, Cambridge, MA 02129, USA. nemazee@scripps.edu schief@scripps.edu burton@scripps.edu. ; Department of Immunology and Microbial Science, The Scripps Research Institute, La Jolla, CA 92037, USA. nemazee@scripps.edu schief@scripps.edu burton@scripps.edu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26089355" target="_blank"〉PubMed〈/a〉
    Keywords: AIDS Vaccines/*immunology ; Animals ; Antibodies, Monoclonal/biosynthesis/*immunology ; Antibodies, Neutralizing/biosynthesis/*immunology ; Antibody Affinity ; B-Lymphocytes/immunology ; Complementarity Determining Regions/genetics/immunology ; Epitopes/genetics/immunology ; HIV Antibodies/biosynthesis/*immunology ; HIV Envelope Protein gp120/genetics/*immunology ; HIV Infections/*prevention & control ; HIV-1/*immunology ; Immunoglobulin Heavy Chains/genetics/immunology ; Mice ; Mice, Knockout
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  • 169
    Publication Date: 2015-11-07
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sharma, Arun -- Sebastiano, Vittorio -- Scott, Christopher T -- Magnus, David -- Koyano-Nakagawa, Naoko -- Garry, Daniel J -- Witte, Owen N -- Nakauchi, Hiromitsu -- Wu, Joseph C -- Weissman, Irving L -- Wu, Sean M -- New York, N.Y. -- Science. 2015 Nov 6;350(6261):640. doi: 10.1126/science.350.6261.640-a. Epub 2015 Nov 5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institute for Stem Cell Biology and Regenerative Medicine, Stanford University School of Medicine, Stanford, CA 94305, USA. Cardiovascular Institute, Stanford University School of Medicine, Stanford, CA 94305, USA. ; Institute for Stem Cell Biology and Regenerative Medicine, Stanford University School of Medicine, Stanford, CA 94305, USA. Department of Obstetrics and Gynecology, Stanford University School of Medicine, Stanford, CA 94305, USA. ; Center for Biomedical Ethics, Stanford University School of Medicine, Stanford, CA 94305, USA. ; Lillehei Heart Institute, University of Minnesota, Minneapolis, MN 55455, USA. ; Lillehei Heart Institute, University of Minnesota, Minneapolis, MN 55455, USA. Stem Cell Institute and Paul and Sheila Wellstone Muscular Dystrophy Center, University of Minnesota, Minneapolis, MN 55455, USA. Cardiovascular Division, Department of Medicine, University of Minnesota, Minneapolis, MN 55455, USA. ; Broad Stem Cell Research Center and Department of Microbiology, Immunology, and Molecular Genetics, University of California, Los Angeles, Los Angeles, CA 90095, USA. ; Institute for Stem Cell Biology and Regenerative Medicine, Stanford University School of Medicine, Stanford, CA 94305, USA. Department of Genetics, Stanford University School of Medicine, Stanford, CA 94305, USA. Center for Stem Cell Biology and Regenerative Medicine, The University of Tokyo, Tokyo, Japan. ; Institute for Stem Cell Biology and Regenerative Medicine, Stanford University School of Medicine, Stanford, CA 94305, USA. Cardiovascular Institute, Stanford University School of Medicine, Stanford, CA 94305, USA. Division of Cardiovascular Medicine, Department of Medicine, Stanford University School of Medicine, Stanford, CA 94305, USA. Department of Radiology, Stanford University School of Medicine, Stanford, CA 94305, USA. ; Institute for Stem Cell Biology and Regenerative Medicine, Stanford University School of Medicine, Stanford, CA 94305, USA. Department of Pathology, Stanford University School of Medicine, Stanford, CA 94305, USA. irv@stanford.edu smwu@stanford.edu. ; Institute for Stem Cell Biology and Regenerative Medicine, Stanford University School of Medicine, Stanford, CA 94305, USA. Cardiovascular Institute, Stanford University School of Medicine, Stanford, CA 94305, USA. Division of Cardiovascular Medicine, Department of Medicine, Stanford University School of Medicine, Stanford, CA 94305, USA. irv@stanford.edu smwu@stanford.edu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26542560" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Bioethical Issues ; Blastocyst ; *Chimera ; Financial Management/ethics ; Humans ; Mice ; National Institutes of Health (U.S.)/economics/ethics ; Pluripotent Stem Cells/*transplantation ; Stem Cell Research/economics/*ethics ; United States
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  • 170
    Publication Date: 2015-11-21
    Description: Axon pathfinding is orchestrated by numerous guidance cues, including Slits and their Robo receptors, but it remains unclear how information from multiple cues is integrated or filtered. Robo3, a Robo family member, allows commissural axons to reach and cross the spinal cord midline by antagonizing Robo1/2-mediated repulsion from midline-expressed Slits and potentiating deleted in colorectal cancer (DCC)-mediated midline attraction to Netrin-1, but without binding either Slits or Netrins. We identified a secreted Robo3 ligand, neural epidermal growth factor-like-like 2 (NELL2), which repels mouse commissural axons through Robo3 and helps steer them to the midline. These findings identify NELL2 as an axon guidance cue and establish Robo3 as a multifunctional regulator of pathfinding that simultaneously mediates NELL2 repulsion, inhibits Slit repulsion, and facilitates Netrin attraction to achieve a common guidance purpose.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Jaworski, Alexander -- Tom, Irene -- Tong, Raymond K -- Gildea, Holly K -- Koch, Alexander W -- Gonzalez, Lino C -- Tessier-Lavigne, Marc -- New York, N.Y. -- Science. 2015 Nov 20;350(6263):961-5. doi: 10.1126/science.aad2615.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Division of Research, Genentech, South San Francisco, CA 94080, USA. Laboratory of Brain Development and Repair, The Rockefeller University, New York, NY 10065, USA. Department of Neuroscience, Brown University, Providence, RI 02912, USA. alexander_jaworski@brown.edu marctl@rockefeller.edu. ; Department of Protein Chemistry, Genentech, South San Francisco, CA 94080, USA. ; Department of Neuroscience, Brown University, Providence, RI 02912, USA. ; Division of Research, Genentech, South San Francisco, CA 94080, USA. Laboratory of Brain Development and Repair, The Rockefeller University, New York, NY 10065, USA. alexander_jaworski@brown.edu marctl@rockefeller.edu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26586761" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Axons/metabolism/*physiology ; Ligands ; Membrane Proteins/genetics/*metabolism ; Mice ; Mice, Mutant Strains ; Nerve Growth Factors/metabolism ; Nerve Tissue Proteins/genetics/*metabolism ; Neurogenesis/genetics/*physiology ; Receptors, Immunologic/metabolism ; Spinal Cord/*embryology ; Tumor Suppressor Proteins/metabolism
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  • 171
    Publication Date: 2015-10-03
    Description: Memory stabilization after learning requires translational and transcriptional regulations in the brain, yet the temporal molecular changes that occur after learning have not been explored at the genomic scale. We used ribosome profiling and RNA sequencing to quantify the translational status and transcript levels in the mouse hippocampus after contextual fear conditioning. We revealed three types of repressive regulations: translational suppression of ribosomal protein-coding genes in the hippocampus, learning-induced early translational repression of specific genes, and late persistent suppression of a subset of genes via inhibition of estrogen receptor 1 (ESR1/ERalpha) signaling. In behavioral analyses, overexpressing Nrsn1, one of the newly identified genes undergoing rapid translational repression, or activating ESR1 in the hippocampus impaired memory formation. Collectively, this study unveils the yet-unappreciated importance of gene repression mechanisms for memory formation.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cho, Jun -- Yu, Nam-Kyung -- Choi, Jun-Hyeok -- Sim, Su-Eon -- Kang, SukJae Joshua -- Kwak, Chuljung -- Lee, Seung-Woo -- Kim, Ji-il -- Choi, Dong Il -- Kim, V Narry -- Kaang, Bong-Kiun -- New York, N.Y. -- Science. 2015 Oct 2;350(6256):82-7. doi: 10.1126/science.aac7368.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Center for RNA Research, Institute for Basic Science, Seoul 151-742, Korea. Department of Biological Sciences, College of Natural Sciences, Seoul National University, Seoul 151-747, Korea. ; Department of Biological Sciences, College of Natural Sciences, Seoul National University, Seoul 151-747, Korea. ; Center for RNA Research, Institute for Basic Science, Seoul 151-742, Korea. Department of Biological Sciences, College of Natural Sciences, Seoul National University, Seoul 151-747, Korea. narrykim@snu.ac.kr kaang@snu.ac.kr. ; Department of Biological Sciences, College of Natural Sciences, Seoul National University, Seoul 151-747, Korea. narrykim@snu.ac.kr kaang@snu.ac.kr.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26430118" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Conditioning, Classical ; Estrogen Receptor alpha/*genetics ; Fear ; *Gene Expression Regulation ; Hippocampus/*metabolism ; Male ; Membrane Proteins/*genetics ; *Memory ; Mice ; Mice, Inbred C57BL ; Protein Biosynthesis/*genetics ; Ribosomal Proteins/genetics ; Transcription, Genetic
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  • 172
    Publication Date: 2015-01-09
    Description: The mechanistic target of rapamycin (mTOR) complex 1 (mTORC1) integrates environmental and intracellular signals to regulate cell growth. Amino acids stimulate mTORC1 activation at the lysosome in a manner thought to be dependent on the Rag small guanosine triphosphatases (GTPases), the Ragulator complex, and the vacuolar H(+)-adenosine triphosphatase (v-ATPase). We report that leucine and glutamine stimulate mTORC1 by Rag GTPase-dependent and -independent mechanisms, respectively. Glutamine promoted mTORC1 translocation to the lysosome in RagA and RagB knockout cells and required the v-ATPase but not the Ragulator. Furthermore, we identified the adenosine diphosphate ribosylation factor-1 GTPase to be required for mTORC1 activation and lysosomal localization by glutamine. Our results uncover a signaling cascade to mTORC1 activation independent of the Rag GTPases and suggest that mTORC1 is differentially regulated by specific amino acids.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4384888/" 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/PMC4384888/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Jewell, Jenna L -- Kim, Young Chul -- Russell, Ryan C -- Yu, Fa-Xing -- Park, Hyun Woo -- Plouffe, Steven W -- Tagliabracci, Vincent S -- Guan, Kun-Liang -- K99DK099254/DK/NIDDK NIH HHS/ -- R01 CA108941/CA/NCI NIH HHS/ -- R01CA108941/CA/NCI NIH HHS/ -- R01GM051586/GM/NIGMS NIH HHS/ -- T32 CA121938/CA/NCI NIH HHS/ -- T32CA121938/CA/NCI NIH HHS/ -- T32GM007752/GM/NIGMS NIH HHS/ -- Canadian Institutes of Health Research/Canada -- New York, N.Y. -- Science. 2015 Jan 9;347(6218):194-8. doi: 10.1126/science.1259472. Epub 2015 Jan 7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Pharmacology and Moores Cancer Center, University of California, San Diego, La Jolla, CA 92093, USA. ; Children's Hospital and Institute of Biomedical Sciences, Fudan University, Shanghai 200032, China. ; Department of Pharmacology and Moores Cancer Center, University of California, San Diego, La Jolla, CA 92093, USA. kuguan@ucsd.edu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25567907" target="_blank"〉PubMed〈/a〉
    Keywords: ADP-Ribosylation Factor 1/genetics/metabolism ; Adaptor Proteins, Signal Transducing/genetics/metabolism ; Animals ; Enzyme Activation ; Gene Knockdown Techniques ; Glutamine/*metabolism ; HEK293 Cells ; Humans ; Leucine/*metabolism ; Lysosomes/*enzymology ; Mice ; Mice, Knockout ; Monomeric GTP-Binding Proteins/genetics/*metabolism ; Multiprotein Complexes/*metabolism ; Protein Transport ; TOR Serine-Threonine Kinases/*metabolism
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  • 173
    Publication Date: 2015-07-25
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lloyd, K C Kent -- Meehan, Terry -- Beaudet, Arthur -- Murray, Steve -- Svenson, Karen -- McKerlie, Colin -- West, David -- Morse, Iva -- Parkinson, Helen -- Brown, Steve -- Mallon, Ann-Marie -- Moore, Mark -- U42 OD011175/OD/NIH HHS/ -- U42 OD011185/OD/NIH HHS/ -- U54 HG006332/HG/NHGRI NIH HHS/ -- U54 HG006364/HG/NHGRI NIH HHS/ -- New York, N.Y. -- Science. 2015 Jul 24;349(6246):390. doi: 10.1126/science.349.6246.390-a. Epub 2015 Jul 23.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉University of California, Davis, Davis, CA 95616, USA. kclloyd@ucdavis.edu. ; European Bioinformatics Institute, Hinxton, Cambridge, CB10 1SD, UK. ; Baylor College of Medicine, Houston, TX 77030, USA. ; The Jackson Laboratory, Bar Harbor, ME 04609, USA. ; Toronto Centre for Phenogenomics, Toronto, ON, M5T 3H7, Canada. ; Children's Hospital Oakland Research Institute, Oakland, CA 94609, USA. ; Charles River Laboratories, Wilmington, MA 01887, USA. ; Medical Research Council Harwell, Oxfordshire, OX11 0RD, UK. ; International Mouse Phenotyping Consortium, Hinxton, Cambridge, CB10 1SD, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26206923" target="_blank"〉PubMed〈/a〉
    Keywords: Animal Experimentation/*standards ; Animals ; Electronic Health Records ; Female ; Genomics ; Humans ; Male ; Metabolomics ; Mice ; Mice, Knockout ; National Institutes of Health (U.S.) ; Precision Medicine/*economics/*trends ; United States
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  • 174
    Publication Date: 2015-03-15
    Description: Sepsis is a frequently fatal condition characterized by an uncontrolled and harmful host reaction to microbial infection. Despite the prevalence and severity of sepsis, we lack a fundamental grasp of its pathophysiology. Here we report that the cytokine interleukin-3 (IL-3) potentiates inflammation in sepsis. Using a mouse model of abdominal sepsis, we showed that innate response activator B cells produce IL-3, which induces myelopoiesis of Ly-6C(high) monocytes and neutrophils and fuels a cytokine storm. IL-3 deficiency protects mice against sepsis. In humans with sepsis, high plasma IL-3 levels are associated with high mortality even after adjusting for prognostic indicators. This study deepens our understanding of immune activation, identifies IL-3 as an orchestrator of emergency myelopoiesis, and reveals a new therapeutic target for treating sepsis.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4376966/" 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/PMC4376966/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Weber, Georg F -- Chousterman, Benjamin G -- He, Shun -- Fenn, Ashley M -- Nairz, Manfred -- Anzai, Atsushi -- Brenner, Thorsten -- Uhle, Florian -- Iwamoto, Yoshiko -- Robbins, Clinton S -- Noiret, Lorette -- Maier, Sarah L -- Zonnchen, Tina -- Rahbari, Nuh N -- Scholch, Sebastian -- Klotzsche-von Ameln, Anne -- Chavakis, Triantafyllos -- Weitz, Jurgen -- Hofer, Stefan -- Weigand, Markus A -- Nahrendorf, Matthias -- Weissleder, Ralph -- Swirski, Filip K -- 5R01HL095612/HL/NHLBI NIH HHS/ -- R01 HL095612/HL/NHLBI NIH HHS/ -- R56 AI104695/AI/NIAID NIH HHS/ -- R56-AI104695/AI/NIAID NIH HHS/ -- New York, N.Y. -- Science. 2015 Mar 13;347(6227):1260-5. doi: 10.1126/science.aaa4268.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Center for Systems Biology, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA. Department of Visceral, Thoracic and Vascular Surgery, Technische Universitat Dresden, Dresden, Germany. fswirski@mgh.harvard.edu georg.weber@uniklinikum-dresden.de. ; Center for Systems Biology, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA. ; Department of Anesthesiology, University of Heidelberg, Heidelberg, Germany. ; Department of Visceral, Thoracic and Vascular Surgery, Technische Universitat Dresden, Dresden, Germany. ; Department of Clinical Pathobiochemistry and Institute for Clinical Chemistry and Laboratory Medicine, Technische Universitat Dresden, Dresden, Germany. ; Center for Systems Biology, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA. Department of Systems Biology, Harvard Medical School, Boston, MA 02115, USA. ; Center for Systems Biology, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA. fswirski@mgh.harvard.edu georg.weber@uniklinikum-dresden.de.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25766237" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; B-Lymphocyte Subsets/immunology ; Cytokines/immunology/metabolism ; Disease Models, Animal ; Humans ; Inflammation ; Interleukin-3/blood/*immunology/metabolism ; Lipopolysaccharides/immunology ; Lymphoid Tissue/immunology ; Mice ; Mice, Inbred BALB C ; Monocytes/immunology ; Myelopoiesis ; Neutrophils/immunology ; Peritonitis/immunology/pathology ; Prognosis ; Sepsis/*immunology/mortality/pathology/therapy
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  • 175
    Publication Date: 2015-10-31
    Description: Miocene small-bodied anthropoid primates from Africa and Eurasia are generally considered to precede the divergence between the two groups of extant catarrhines-hominoids (apes and humans) and Old World monkeys-and are thus viewed as more primitive than the stem ape Proconsul. Here we describe Pliobates cataloniae gen. et sp. nov., a small-bodied (4 to 5 kilograms) primate from the Iberian Miocene (11.6 million years ago) that displays a mosaic of primitive characteristics coupled with multiple cranial and postcranial shared derived features of extant hominoids. Our cladistic analyses show that Pliobates is a stem hominoid that is more derived than previously described small catarrhines and Proconsul. This forces us to reevaluate the role played by small-bodied catarrhines in ape evolution and provides key insight into the last common ancestor of hylobatids (gibbons) and hominids (great apes and humans).〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Alba, David M -- Almecija, Sergio -- DeMiguel, Daniel -- Fortuny, Josep -- Perez de los Rios, Miriam -- Pina, Marta -- Robles, Josep M -- Moya-Sola, Salvador -- New York, N.Y. -- Science. 2015 Oct 30;350(6260):aab2625. doi: 10.1126/science.aab2625. Epub 2015 Oct 29.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institut Catala de Paleontologia Miquel Crusafont (ICP), Universitat Autonoma de Barcelona (UAB), Edifici ICTA-ICP, Carrer de les Columnes sense numero, Campus de la UAB, 08193 Cerdanyola del Valles, Barcelona, Spain. ; Center for the Advanced Study of Human Paleobiology, Department of Anthropology, The George Washington University, Washington, DC 20052, USA. Institut Catala de Paleontologia Miquel Crusafont (ICP), Universitat Autonoma de Barcelona (UAB), Edifici ICTA-ICP, Carrer de les Columnes sense numero, Campus de la UAB, 08193 Cerdanyola del Valles, Barcelona, Spain. ; Institut Catala de Paleontologia Miquel Crusafont (ICP), Universitat Autonoma de Barcelona (UAB), Edifici ICTA-ICP, Carrer de les Columnes sense numero, Campus de la UAB, 08193 Cerdanyola del Valles, Barcelona, Spain. FOSSILIA Serveis Paleontologics i Geologics, Jaume I 87, 5e 1a, 08470 Sant Celoni, Barcelona, Spain. ; Institucio Catalana de Recerca i Estudis Avancats at ICP and Unitat d'Antropologia Biologica (Department de Biologia Animal, de Biologia Vegetal i d'Ecologia), Universitat Autonoma de Barcelona, Edifici ICTA-ICP, Carrer de les Columnes sense numero, Campus de la UAB, 08193 Cerdanyola del Valles, Barcelona, Spain.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26516285" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biological Evolution ; Body Weight ; Bone and Bones/anatomy & histology ; Brain/anatomy & histology/growth & development ; Dentition ; Hominidae/anatomy & histology/*classification/growth & development ; Humans ; Hylobates/anatomy & histology/*classification/growth & development ; Phylogeny ; Skull/anatomy & histology/growth & development ; Spain
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  • 176
    Publication Date: 2015-10-17
    Description: Innate lymphoid cells (ILCs) contribute to barrier immunity, tissue homeostasis, and immune regulation at various anatomical sites throughout the body. How ILCs maintain their presence in lymphoid and peripheral tissues thus far has been unclear. We found that in the lymphoid and nonlymphoid organs of adult mice, ILCs are tissue-resident cells that were maintained and expanded locally under physiologic conditions, upon systemic perturbation of immune homeostasis and during acute helminth infection. However, at later time points after infection, cells from hematogenous sources helped to partially replenish the pool of resident ILCs. Thus, ILCs are maintained by self-renewal in broadly different microenvironments and physiological settings. Such an extreme "sedentary" lifestyle is consistent with the proposed roles of ILCs as sentinels and local keepers of tissue function.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4720139/" 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/PMC4720139/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Gasteiger, Georg -- Fan, Xiying -- Dikiy, Stanislav -- Lee, Sue Y -- Rudensky, Alexander Y -- P30 CA008748/CA/NCI NIH HHS/ -- P30CA008748/CA/NCI NIH HHS/ -- R01 AI034206/AI/NIAID NIH HHS/ -- R37 AI034206/AI/NIAID NIH HHS/ -- R37AI034206/AI/NIAID NIH HHS/ -- T32 GM007739/GM/NIGMS NIH HHS/ -- T32GM07739/GM/NIGMS NIH HHS/ -- Howard Hughes Medical Institute/ -- New York, N.Y. -- Science. 2015 Nov 20;350(6263):981-5. doi: 10.1126/science.aac9593. Epub 2015 Oct 15.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Howard Hughes Medical Institute, Immunology Program, and Ludwig Center, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA. Institute of Medical Microbiology and Hygiene, University of Mainz Medical Centre, Mainz 55131, Germany. ; Howard Hughes Medical Institute, Immunology Program, and Ludwig Center, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26472762" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Female ; Helminthiasis/immunology ; Homeostasis/immunology ; *Immunity, Innate ; Intestine, Small/cytology/immunology ; Lung/cytology/immunology ; Lymphocytes/*immunology ; Lymphoid Tissue/cytology/*immunology ; Mice ; Mice, Inbred C57BL ; Organ Specificity/immunology ; Parabiosis ; Salivary Glands/cytology/immunology
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  • 177
    Publication Date: 2015-11-28
    Description: Since the work of Ramon y Cajal in the late 19th and early 20th centuries, neuroscientists have speculated that a complete understanding of neuronal cell types and their connections is key to explaining complex brain functions. However, a complete census of the constituent cell types and their wiring diagram in mature neocortex remains elusive. By combining octuple whole-cell recordings with an optimized avidin-biotin-peroxidase staining technique, we carried out a morphological and electrophysiological census of neuronal types in layers 1, 2/3, and 5 of mature neocortex and mapped the connectivity between more than 11,000 pairs of identified neurons. We categorized 15 types of interneurons, and each exhibited a characteristic pattern of connectivity with other interneuron types and pyramidal cells. The essential connectivity structure of the neocortical microcircuit could be captured by only a few connectivity motifs.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Jiang, Xiaolong -- Shen, Shan -- Cadwell, Cathryn R -- Berens, Philipp -- Sinz, Fabian -- Ecker, Alexander S -- Patel, Saumil -- Tolias, Andreas S -- DP1EY023176/DP/NCCDPHP CDC HHS/ -- DP1OD008301/OD/NIH HHS/ -- F30MH095440/MH/NIMH NIH HHS/ -- P30EY002520/EY/NEI NIH HHS/ -- R21EB016223/EB/NIBIB NIH HHS/ -- T32EB006350/EB/NIBIB NIH HHS/ -- T32EY07001/EY/NEI NIH HHS/ -- T32GM007330/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2015 Nov 27;350(6264):aac9462. doi: 10.1126/science.aac9462.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Neuroscience, Baylor College of Medicine, Houston, TX, USA. astolias@bcm.edu xiaolonj@bcm.edu. ; Department of Neuroscience, Baylor College of Medicine, Houston, TX, USA. ; Department of Neuroscience, Baylor College of Medicine, Houston, TX, USA. Bernstein Centre for Computational Neuroscience, Tubingen, Germany. Institute for Ophthalmic Research, University of Tubingen, Tubingen, Germany. Werner Reichardt Center for Integrative Neuroscience and Institute of Theoretical Physics, University of Tubingen, Tubingen, Germany. ; Department of Neuroscience, Baylor College of Medicine, Houston, TX, USA. Bernstein Centre for Computational Neuroscience, Tubingen, Germany. Werner Reichardt Center for Integrative Neuroscience and Institute of Theoretical Physics, University of Tubingen, Tubingen, Germany. Max Planck Institute for Biological Cybernetics, Tubingen, Germany. ; Department of Neuroscience, Baylor College of Medicine, Houston, TX, USA. Bernstein Centre for Computational Neuroscience, Tubingen, Germany. astolias@bcm.edu xiaolonj@bcm.edu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26612957" target="_blank"〉PubMed〈/a〉
    Keywords: Action Potentials ; Animals ; Avidin ; Biotin ; GABAergic Neurons/classification/cytology/physiology ; Interneurons/*classification/cytology/physiology ; Mice ; Neocortex/*cytology/*physiology ; Neural Inhibition ; Neural Pathways/*cytology/*physiology ; Patch-Clamp Techniques ; Peroxidase ; Pyramidal Cells/cytology/physiology ; Staining and Labeling ; Synapses/physiology/ultrastructure
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  • 178
    Publication Date: 2015-02-07
    Description: The layer of macrophages at the subcapsular sinus (SCS) captures pathogens entering the lymph node, preventing their global dissemination and triggering an immune response. However, how infection affects SCS macrophages remains largely unexplored. Here we show that infection and inflammation disrupt the organization of SCS macrophages in a manner that involves the migration of mature dendritic cells to the lymph node. This disrupted organization reduces the capacity of SCS macrophages to retain and present antigen in a subsequent secondary infection, resulting in diminished B cell responses. Thus, the SCS macrophage layer may act as a sensor or valve during infection to temporarily shut down the lymph node to further antigenic challenge. This shutdown may increase an organism's susceptibility to secondary infections.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Gaya, Mauro -- Castello, Angelo -- Montaner, Beatriz -- Rogers, Neil -- Reis e Sousa, Caetano -- Bruckbauer, Andreas -- Batista, Facundo D -- Cancer Research UK/United Kingdom -- New York, N.Y. -- Science. 2015 Feb 6;347(6222):667-72. doi: 10.1126/science.aaa1300.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Lymphocyte Interaction Laboratory, London Research Institute, Cancer Research UK, 44 Lincoln's Inn Fields, London WC2A 3LY, UK. ; Immunobiology Laboratory, London Research Institute, Cancer Research UK, 44 Lincoln's Inn Fields, London WC2A 3LY, UK. ; Lymphocyte Interaction Laboratory, London Research Institute, Cancer Research UK, 44 Lincoln's Inn Fields, London WC2A 3LY, UK. facundo.batista@cancer.org.uk.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25657250" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antigens/immunology ; B-Lymphocytes/*immunology/pathology ; Cell Movement/*immunology ; Coinfection/*immunology ; Dendritic Cells/immunology ; Inflammation/*immunology ; Lymph Nodes/immunology/pathology ; Macrophages/*immunology/pathology ; Mice ; Mice, Inbred C57BL ; Staphylococcal Skin Infections/*immunology ; *Staphylococcus aureus
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 179
    Publication Date: 2015-07-04
    Description: Individual cortical neurons can selectively respond to specific environmental features, such as visual motion or faces. How this relates to the selectivity of the presynaptic network across cortical layers remains unclear. We used single-cell-initiated, monosynaptically restricted retrograde transsynaptic tracing with rabies viruses expressing GCaMP6s to image, in vivo, the visual motion-evoked activity of individual layer 2/3 pyramidal neurons and their presynaptic networks across layers in mouse primary visual cortex. Neurons within each layer exhibited similar motion direction preferences, forming layer-specific functional modules. In one-third of the networks, the layer modules were locked to the direction preference of the postsynaptic neuron, whereas for other networks the direction preference varied by layer. Thus, there exist feature-locked and feature-variant cortical networks.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wertz, Adrian -- Trenholm, Stuart -- Yonehara, Keisuke -- Hillier, Daniel -- Raics, Zoltan -- Leinweber, Marcus -- Szalay, Gergely -- Ghanem, Alexander -- Keller, Georg -- Rozsa, Balazs -- Conzelmann, Karl-Klaus -- Roska, Botond -- New York, N.Y. -- Science. 2015 Jul 3;349(6243):70-4. doi: 10.1126/science.aab1687.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Neural Circuit Laboratories, Friedrich Miescher Institute for Biomedical Research, Basel, Switzerland. ; Two-Photon Imaging Center, Institute of Experimental Medicine, Hungarian Academy of Sciences, Budapest, Hungary. ; Max von Pettenkofer-Institute and Gene Center, Ludwig-Maximilians-University Munich, Munich, Germany. ; Neural Circuit Laboratories, Friedrich Miescher Institute for Biomedical Research, Basel, Switzerland. Department of Ophthalmology, University of Basel, Basel, Switzerland. botond.roska@fmi.ch.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26138975" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Calcium-Binding Proteins/chemistry/genetics ; Evoked Potentials, Visual ; Luminescent Proteins/chemistry/genetics ; Mice ; Motion ; Nerve Net/cytology/physiology ; Neuroimaging ; Presynaptic Terminals/*physiology ; Pyramidal Cells/*physiology ; Rabies virus ; Single-Cell Analysis ; Visual Cortex/*physiology
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  • 180
    Publication Date: 2015-08-01
    Description: Infected cells detect viruses through a variety of receptors that initiate cell-intrinsic innate defense responses. Cyclic guanosine monophosphate (GMP)-adenosine monophosphate (AMP) synthase (cGAS) is a cytosolic sensor for many DNA viruses and HIV-1. In response to cytosolic viral DNA, cGAS synthesizes the second messenger 2'3'-cyclic GMP-AMP (cGAMP), which activates antiviral signaling pathways. We show that in cells producing virus, cGAS-synthesized cGAMP can be packaged in viral particles and extracellular vesicles. Viral particles efficiently delivered cGAMP to target cells. cGAMP transfer by viral particles to dendritic cells activated innate immunity and antiviral defenses. Finally, we show that cell-free murine cytomegalovirus and Modified Vaccinia Ankara virus contained cGAMP. Thus, transfer of cGAMP by viruses may represent a defense mechanism to propagate immune responses to uninfected target cells.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Gentili, Matteo -- Kowal, Joanna -- Tkach, Mercedes -- Satoh, Takeshi -- Lahaye, Xavier -- Conrad, Cecile -- Boyron, Marilyn -- Lombard, Berangere -- Durand, Sylvere -- Kroemer, Guido -- Loew, Damarys -- Dalod, Marc -- Thery, Clotilde -- Manel, Nicolas -- New York, N.Y. -- Science. 2015 Sep 11;349(6253):1232-6. doi: 10.1126/science.aab3628. Epub 2015 Jul 30.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉INSERM U932, Immunity and Cancer Unit, Institut Curie, Paris, France. ; Centre d'Immunologie de Marseille-Luminy, Aix Marseille Universite UM2, INSERM U1104, CNRS UMR7280, 13288 Marseille, France. ; Laboratoire de Spectrometrie de Masse Proteomique, Institut Curie, Paris, France. ; Labex Dendritic Cell Biology (DCBIOL), Paris, France. ; Metabolomics and Cell Biology Platforms, Gustave Roussy Comprehensive Cancer Institute, 94805 Villejuif, France. ; INSERM U932, Immunity and Cancer Unit, Institut Curie, Paris, France. Labex Dendritic Cell Biology (DCBIOL), Paris, France. ; INSERM U932, Immunity and Cancer Unit, Institut Curie, Paris, France. Labex Dendritic Cell Biology (DCBIOL), Paris, France. Labex Vaccine Research Institute (VRI), Paris, France. nicolas.manel@curie.fr.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26229115" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cercopithecus aethiops ; Cytosol/immunology/metabolism/virology ; Dendritic Cells/*immunology/virology ; Genetic Vectors/genetics/metabolism ; HIV Infections/immunology ; HIV-1/genetics/metabolism ; HeLa Cells ; Herpesviridae Infections/*immunology ; Humans ; Immunity, Innate/genetics/*immunology ; Mice ; Mice, Inbred C57BL ; Muromegalovirus/genetics/*metabolism ; Nucleotides, Cyclic/*metabolism ; *Second Messenger Systems ; Vaccinia/*immunology ; Vaccinia virus/genetics/*metabolism ; Vero Cells ; Virion/genetics/*metabolism ; Virus Assembly
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  • 181
    Publication Date: 2015-04-25
    Description: Axon degeneration is an intrinsic self-destruction program that underlies axon loss during injury and disease. Sterile alpha and TIR motif-containing 1 (SARM1) protein is an essential mediator of axon degeneration. We report that SARM1 initiates a local destruction program involving rapid breakdown of nicotinamide adenine dinucleotide (NAD(+)) after injury. We used an engineered protease-sensitized SARM1 to demonstrate that SARM1 activity is required after axon injury to induce axon degeneration. Dimerization of the Toll-interleukin receptor (TIR) domain of SARM1 alone was sufficient to induce locally mediated axon degeneration. Formation of the SARM1 TIR dimer triggered rapid breakdown of NAD(+), whereas SARM1-induced axon destruction could be counteracted by increased NAD(+) synthesis. SARM1-induced depletion of NAD(+) may explain the potent axon protection in Wallerian degeneration slow (Wld(s)) mutant mice.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4513950/" 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/PMC4513950/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Gerdts, Josiah -- Brace, E J -- Sasaki, Yo -- DiAntonio, Aaron -- Milbrandt, Jeffrey -- F31 NS074517/NS/NINDS NIH HHS/ -- F31NS074517/NS/NINDS NIH HHS/ -- R01 AG013730/AG/NIA NIH HHS/ -- R01 DA020812/DA/NIDA NIH HHS/ -- R01 NS065053/NS/NINDS NIH HHS/ -- R01 NS078007/NS/NINDS NIH HHS/ -- R01 NS087632/NS/NINDS NIH HHS/ -- R01AG013730/AG/NIA NIH HHS/ -- R01DA020812/DA/NIDA NIH HHS/ -- R01NS065053/NS/NINDS NIH HHS/ -- R01NS078007/NS/NINDS NIH HHS/ -- R01NS087632/NS/NINDS NIH HHS/ -- New York, N.Y. -- Science. 2015 Apr 24;348(6233):453-7. doi: 10.1126/science.1258366. Epub 2015 Apr 23.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Genetics, Washington University Medical School, Saint Louis, MO, USA. ; Department of Developmental Biology, Washington University Medical School, Saint Louis, MO, USA. ; Department of Developmental Biology, Washington University Medical School, Saint Louis, MO, USA. Hope Center for Neurological Disorders, Saint Louis, MO, USA. ; Department of Genetics, Washington University Medical School, Saint Louis, MO, USA. Hope Center for Neurological Disorders, Saint Louis, MO, USA. jmilbrandt@wustl.edu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25908823" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Armadillo Domain Proteins/chemistry/genetics/*metabolism ; Axons/*metabolism/pathology ; Cytoskeletal Proteins/chemistry/genetics/*metabolism ; HEK293 Cells ; Humans ; Mice ; Mice, Knockout ; NAD/*metabolism ; Neurons/metabolism/pathology ; Peripheral Nerve Injuries/*metabolism ; Protein Multimerization ; Wallerian Degeneration/*metabolism/pathology
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  • 182
    Publication Date: 2015-06-06
    Description: Skinner and colleagues (Research Article, 23 January 2015, p. 395), based on metacarpal trabecular bone structure, argue that Australopithecus africanus employed human-like dexterity for stone tool making and use 3 million years ago. However, their evolutionary and biological assumptions are misinformed, failing to refute the previously existing hypothesis that human-like manipulation preceded systematized stone tool manufacture, as indicated by the fossil record.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Almecija, Sergio -- Wallace, Ian J -- Judex, Stefan -- Alba, David M -- Moya-Sola, Salvador -- New York, N.Y. -- Science. 2015 Jun 5;348(6239):1101. doi: 10.1126/science.aaa8414.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Anatomical Sciences, Stony Brook University, Stony Brook, NY 11794, USA. Center for the Advanced Study of Human Paleobiology, Department of Anthropology, The George Washington University, Science and Engineering Hall, 800 22nd Street NW, Washington, DC 20052, USA. Institut Catala de Paleontologia Miquel Crusafont, Universitat Autonoma de Barcelona, Edifici ICTA-ICP, Carrer de les Columnes s/n, Campus de la UAB, 08193 Cerdanyola del Valles, Barcelona, Spain. sergio.almecija@gmail.com. ; Department of Anthropology, Stony Brook University, Stony Brook, NY 11794, USA. ; Department of Biomedical Engineering, Stony Brook University, Stony Brook, NY 11794, USA. ; Institut Catala de Paleontologia Miquel Crusafont, Universitat Autonoma de Barcelona, Edifici ICTA-ICP, Carrer de les Columnes s/n, Campus de la UAB, 08193 Cerdanyola del Valles, Barcelona, Spain. ; ICREA at Institut Catala de Paleontologia Miquel Crusafont and Unitat d'Antropologia Biologica (Departament BABVE), Universitat Autonoma de Barcelona, Edifici ICTA-CP, Carrer de les Columnes s/n, Campus de la UAB, 08193 Cerdanyola del Valles, Barcelona, Spain.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26045428" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biological Evolution ; Humans ; Metacarpal Bones/*anatomy & histology ; Metacarpus/*anatomy & histology ; Thumb/*anatomy & histology
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  • 183
    Publication Date: 2015-06-13
    Description: Jaramillo and Destouni claim that freshwater consumption is beyond the planetary boundary, based on high estimates of water cycle components, different definitions of water consumption, and extrapolation from a single case study. The difference from our analysis, based on mainstream assessments of global water consumption, highlights the need for clearer definitions of water cycle components and improved models and databases.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Gerten, Dieter -- Rockstrom, Johan -- Heinke, Jens -- Steffen, Will -- Richardson, Katherine -- Cornell, Sarah -- New York, N.Y. -- Science. 2015 Jun 12;348(6240):1217. doi: 10.1126/science.aab0031. Epub 2015 Jun 11.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Research Domain of Earth System Analysis, Potsdam Institute for Climate Impact Research, 14473 Potsdam, Germany. gerten@pik-potsdam.de. ; Stockholm Resilience Centre, Stockholm University, 10691 Stockholm, Sweden. ; Research Domain of Earth System Analysis, Potsdam Institute for Climate Impact Research, 14473 Potsdam, Germany. International Livestock Research Institute, Nairobi, 00100 Kenya. Commonwealth Scientific and Industrial Research Organization, St. Lucia, QLD 4067, Australia. ; Stockholm Resilience Centre, Stockholm University, 10691 Stockholm, Sweden. Fenner School of Environment and Society, The Australian National University, Canberra, ACT 2601, Australia. ; Center for Macroecology, Evolution, and Climate, University of Copenhagen, Natural History Museum of Denmark, 2100 Copenhagen, Denmark.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26068844" target="_blank"〉PubMed〈/a〉
    Keywords: *Biological Evolution ; *Climate Change ; *Earth (Planet) ; Humans ; *Ozone Depletion
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  • 184
    Publication Date: 2015-10-31
    Description: Transcription factors (TFs) bind specific sequences in promoter-proximal and -distal DNA elements to regulate gene transcription. RNA is transcribed from both of these DNA elements, and some DNA binding TFs bind RNA. Hence, RNA transcribed from regulatory elements may contribute to stable TF occupancy at these sites. We show that the ubiquitously expressed TF Yin-Yang 1 (YY1) binds to both gene regulatory elements and their associated RNA species across the entire genome. Reduced transcription of regulatory elements diminishes YY1 occupancy, whereas artificial tethering of RNA enhances YY1 occupancy at these elements. We propose that RNA makes a modest but important contribution to the maintenance of certain TFs at gene regulatory elements and suggest that transcription of regulatory elements produces a positive-feedback loop that contributes to the stability of gene expression programs.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4720525/" 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/PMC4720525/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sigova, Alla A -- Abraham, Brian J -- Ji, Xiong -- Molinie, Benoit -- Hannett, Nancy M -- Guo, Yang Eric -- Jangi, Mohini -- Giallourakis, Cosmas C -- Sharp, Phillip A -- Young, Richard A -- HG002668/HG/NHGRI NIH HHS/ -- R01 HG002668/HG/NHGRI NIH HHS/ -- New York, N.Y. -- Science. 2015 Nov 20;350(6263):978-81. doi: 10.1126/science.aad3346. Epub 2015 Oct 29.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Whitehead Institute for Biomedical Research, Cambridge, MA 02142, USA. ; Massachusetts General Hospital, Harvard Medical School, Boston, MA 02114, USA. ; Department of Biology, Massachusetts Institute of Technology, Cambridge, MA 02142, USA. David H. Koch Institute for Integrative Cancer Research, Cambridge, MA 02140, USA. ; Whitehead Institute for Biomedical Research, Cambridge, MA 02142, USA. Department of Biology, Massachusetts Institute of Technology, Cambridge, MA 02142, USA. young@wi.mit.edu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26516199" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Base Sequence ; Binding Sites ; Cell Line ; Consensus Sequence ; DNA/metabolism ; Embryonic Stem Cells/metabolism ; *Enhancer Elements, Genetic ; *Gene Expression Regulation ; Mice ; *Promoter Regions, Genetic ; RNA, Messenger/*metabolism ; *Transcription, Genetic ; YY1 Transcription Factor/*metabolism
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  • 185
    Publication Date: 2015-10-10
    Description: A father's lifetime experiences can be transmitted to his offspring to affect health and development. However, the mechanisms underlying paternal epigenetic transmission are unclear. Unlike in somatic cells, there are few nucleosomes in sperm, and their function in epigenetic inheritance is unknown. We generated transgenic mice in which overexpression of the histone H3 lysine 4 (H3K4) demethylase KDM1A (also known as LSD1) during spermatogenesis reduced H3K4 dimethylation in sperm. KDM1A overexpression in one generation severely impaired development and survivability of offspring. These defects persisted transgenerationally in the absence of KDM1A germline expression and were associated with altered RNA profiles in sperm and offspring. We show that epigenetic inheritance of aberrant development can be initiated by histone demethylase activity in developing sperm, without changes to DNA methylation at CpG-rich regions.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Siklenka, Keith -- Erkek, Serap -- Godmann, Maren -- Lambrot, Romain -- McGraw, Serge -- Lafleur, Christine -- Cohen, Tamara -- Xia, Jianguo -- Suderman, Matthew -- Hallett, Michael -- Trasler, Jacquetta -- Peters, Antoine H F M -- Kimmins, Sarah -- Canadian Institutes of Health Research/Canada -- New York, N.Y. -- Science. 2015 Nov 6;350(6261):aab2006. doi: 10.1126/science.aab2006. Epub 2015 Oct 8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Pharmacology and Therapeutics, Faculty of Medicine, McGill University, Montreal, Quebec, Canada. ; Friedrich Miescher Institute for Biomedical Research (FMI), CH-4058 Basel, Switzerland. Faculty of Sciences, University of Basel, Basel, Switzerland. ; Department of Animal Science, Faculty of Agricultural and Environmental Sciences, McGill University, Montreal, Quebec, Canada. ; Department of Pediatrics, Faculty of Medicine, McGill University, Montreal, Quebec, Canada. ; Department of Animal Science, Faculty of Agricultural and Environmental Sciences, McGill University, Montreal, Quebec, Canada. Institute of Parasitology, Faculty of Agricultural and Environmental Sciences, McGill University, Montreal, Quebec, Canada. ; MRC Integrative Epidemiology Unity, School of Social and Community Medicine, University of Bristol, Bristol, UK. ; McGill Centre for Bioinformatics, School of Computer Science, Faculty of Science, McGill University, Montreal, Quebec, Canada. ; Department of Pediatrics, Faculty of Medicine, McGill University, Montreal, Quebec, Canada. Department of Human Genetics and Department of Pharmacology and Therapeutics, Research Institute of the McGill University Health Centre at the Montreal Children's Hospital, Montreal, Quebec, Canada. ; Friedrich Miescher Institute for Biomedical Research (FMI), CH-4058 Basel, Switzerland. Faculty of Sciences, University of Basel, Basel, Switzerland. sarah.kimmins@mcgill.ca antoine.peters@fmi.ch. ; Department of Pharmacology and Therapeutics, Faculty of Medicine, McGill University, Montreal, Quebec, Canada. Department of Animal Science, Faculty of Agricultural and Environmental Sciences, McGill University, Montreal, Quebec, Canada. sarah.kimmins@mcgill.ca antoine.peters@fmi.ch.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26449473" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Congenital Abnormalities/*genetics ; CpG Islands ; DNA Methylation ; *Epigenesis, Genetic ; Female ; *Gene Expression Regulation, Developmental ; Histone Demethylases/genetics/*metabolism ; Histones/*metabolism ; Male ; Methylation ; Mice ; Mice, Transgenic ; RNA, Messenger/metabolism ; Spermatogenesis/*genetics ; Spermatozoa/enzymology/*growth & development
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  • 186
    Publication Date: 2015-01-09
    Description: Naive and primed pluripotent states retain distinct molecular properties, yet limited knowledge exists on how their state transitions are regulated. Here, we identify Mettl3, an N(6)-methyladenosine (m(6)A) transferase, as a regulator for terminating murine naive pluripotency. Mettl3 knockout preimplantation epiblasts and naive embryonic stem cells are depleted for m(6)A in mRNAs, yet are viable. However, they fail to adequately terminate their naive state and, subsequently, undergo aberrant and restricted lineage priming at the postimplantation stage, which leads to early embryonic lethality. m(6)A predominantly and directly reduces mRNA stability, including that of key naive pluripotency-promoting transcripts. This study highlights a critical role for an mRNA epigenetic modification in vivo and identifies regulatory modules that functionally influence naive and primed pluripotency in an opposing manner.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Geula, Shay -- Moshitch-Moshkovitz, Sharon -- Dominissini, Dan -- Mansour, Abed AlFatah -- Kol, Nitzan -- Salmon-Divon, Mali -- Hershkovitz, Vera -- Peer, Eyal -- Mor, Nofar -- Manor, Yair S -- Ben-Haim, Moshe Shay -- Eyal, Eran -- Yunger, Sharon -- Pinto, Yishay -- Jaitin, Diego Adhemar -- Viukov, Sergey -- Rais, Yoach -- Krupalnik, Vladislav -- Chomsky, Elad -- Zerbib, Mirie -- Maza, Itay -- Rechavi, Yoav -- Massarwa, Rada -- Hanna, Suhair -- Amit, Ido -- Levanon, Erez Y -- Amariglio, Ninette -- Stern-Ginossar, Noam -- Novershtern, Noa -- Rechavi, Gideon -- Hanna, Jacob H -- New York, N.Y. -- Science. 2015 Feb 27;347(6225):1002-6. doi: 10.1126/science.1261417. Epub 2015 Jan 1.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉The Department of Molecular Genetics, Weizmann Institute of Science, Rehovot, Israel. ; Cancer Research Center, Chaim Sheba Medical Center, Tel Hashomer, Israel, and Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel. ; Department of Chemistry and Institute for Biophysical Dynamics, The University of Chicago, Chicago, IL 60637, USA. ; Mina and Everard Goodman Faculty of Life Sciences, Bar-Ilan University, Ramat Gan, Israel. ; The Department of Immunology, Weizmann Institute of Science, Rehovot, Israel. ; The Department of Molecular Genetics, Weizmann Institute of Science, Rehovot, Israel. The Department of Pediatrics and the Pediatric Immunology Unit, Rambam Medical Center, and the B. Rappaport Faculty of Medicine, Technion, Haifa, Israel. ; Cancer Research Center, Chaim Sheba Medical Center, Tel Hashomer, Israel, and Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel. Mina and Everard Goodman Faculty of Life Sciences, Bar-Ilan University, Ramat Gan, Israel. ; The Department of Molecular Genetics, Weizmann Institute of Science, Rehovot, Israel. jacob.hanna@weizmann.ac.il noa.novershtern@weizmann.ac.il gidi.rechavi@sheba.health.gov.il. ; Cancer Research Center, Chaim Sheba Medical Center, Tel Hashomer, Israel, and Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel. jacob.hanna@weizmann.ac.il noa.novershtern@weizmann.ac.il gidi.rechavi@sheba.health.gov.il.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25569111" target="_blank"〉PubMed〈/a〉
    Keywords: Adenosine/*analogs & derivatives/metabolism ; Animals ; Blastocyst/enzymology ; Cell Differentiation/genetics/*physiology ; Cell Line ; Embryo Loss/genetics ; Epigenesis, Genetic ; Female ; Gene Knockout Techniques ; Male ; Methylation ; Methyltransferases/genetics/*physiology ; Mice ; Mice, Knockout ; Pluripotent Stem Cells/*cytology/enzymology ; RNA, Messenger/*metabolism
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  • 187
    Publication Date: 2015-04-04
    Description: Effective immunotherapy promotes the killing of cancer cells by cytotoxic T cells. This requires not only that cancer-specific T cells be generated, but also that these T cells physically contact cancer cells. The coexistence in some patients of cancer cells and T cells that recognize them indicates that tumors may exhibit the phenomenon of immune privilege, in which immunogenic tissue is protected from immune attack. Here, we review the evidence that stromal cells of the tumor microenvironment mediate this restriction by excluding T cells from the vicinity of cancer cells. Overcoming this T cell checkpoint may thus enable optimal immunotherapy.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Joyce, Johanna A -- Fearon, Douglas T -- New York, N.Y. -- Science. 2015 Apr 3;348(6230):74-80. doi: 10.1126/science.aaa6204.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Cancer Biology and Genetics Program, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA. joycej@mskcc.org dfearon@cshl.edu. ; Cold Spring Harbor Laboratory, New York, NY 11724, USA. Department of Microbiology and Immunology, Joan and Sanford I. Weill Department of Medicine, Weill Cornell Medical School, New York, NY 10065, USA. joycej@mskcc.org dfearon@cshl.edu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25838376" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Humans ; *Immune Tolerance ; Immunotherapy/*methods ; Mice ; Neoplasms/blood supply/*therapy ; Neovascularization, Pathologic/immunology ; Stromal Cells/immunology ; T-Lymphocytes, Cytotoxic/*immunology ; Tumor Microenvironment/*immunology
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 188
    Publication Date: 2015-08-15
    Description: The evolution of sexual reproduction is often explained by Red Queen dynamics: Organisms must continually evolve to maintain fitness relative to interacting organisms, such as parasites. Recombination accompanies sexual reproduction and helps diversify an organism's offspring, so that parasites cannot exploit static host genotypes. Here we show that Drosophila melanogaster plastically increases the production of recombinant offspring after infection. The response is consistent across genetic backgrounds, developmental stages, and parasite types but is not induced after sterile wounding. Furthermore, the response appears to be driven by transmission distortion rather than increased recombination. Our study extends the Red Queen model to include the increased production of recombinant offspring and uncovers a remarkable ability of hosts to actively distort their recombination fraction in rapid response to environmental cues.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Singh, Nadia D -- Criscoe, Dallas R -- Skolfield, Shelly -- Kohl, Kathryn P -- Keebaugh, Erin S -- Schlenke, Todd A -- New York, N.Y. -- Science. 2015 Aug 14;349(6249):747-50. doi: 10.1126/science.aab1768.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biological Sciences and Bioinformatics Research Center, North Carolina State University, Raleigh, NC, USA. ndsingh@ncsu.edu schlenkt@reed.edu. ; Translational Biology and Molecular Medicine Program, Baylor College of Medicine, Houston, TX, USA. ; Department of Biology, Reed College, Portland, OR, USA. ; Department of Biology, Winthrop University, Rock Hill, SC, USA. ; Department of Biology, Emory University, Atlanta, GA, USA. ; Department of Biology, Reed College, Portland, OR, USA. ndsingh@ncsu.edu schlenkt@reed.edu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26273057" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biological Evolution ; Drosophila melanogaster/*genetics/growth & development/*parasitology ; Female ; *Genetic Fitness ; Genetic Variation ; Larva ; Male ; Mutation ; Parasitic Diseases/genetics ; *Recombination, Genetic ; Reproduction/genetics
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  • 189
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2015-11-28
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pennisi, Elizabeth -- New York, N.Y. -- Science. 2015 Nov 27;350(6264):1014. doi: 10.1126/science.350.6264.1014.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26612928" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Anopheles/*genetics/growth & development/*immunology ; Antibodies/*genetics ; Clustered Regularly Interspaced Short Palindromic Repeats ; Genetic Engineering/*methods ; Humans ; Life Cycle Stages/immunology ; Malaria/parasitology/*prevention & control ; Mice ; Mosquito Control/*methods ; Mutation
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 190
    Publication Date: 2015-03-07
    Description: Protein expression is regulated by the production and degradation of messenger RNAs (mRNAs) and proteins, but their specific relationships remain unknown. We combine measurements of protein production and degradation and mRNA dynamics so as to build a quantitative genomic model of the differential regulation of gene expression in lipopolysaccharide-stimulated mouse dendritic cells. Changes in mRNA abundance play a dominant role in determining most dynamic fold changes in protein levels. Conversely, the preexisting proteome of proteins performing basic cellular functions is remodeled primarily through changes in protein production or degradation, accounting for more than half of the absolute change in protein molecules in the cell. Thus, the proteome is regulated by transcriptional induction for newly activated cellular functions and by protein life-cycle changes for remodeling of preexisting functions.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4506746/" 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/PMC4506746/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Jovanovic, Marko -- Rooney, Michael S -- Mertins, Philipp -- Przybylski, Dariusz -- Chevrier, Nicolas -- Satija, Rahul -- Rodriguez, Edwin H -- Fields, Alexander P -- Schwartz, Schraga -- Raychowdhury, Raktima -- Mumbach, Maxwell R -- Eisenhaure, Thomas -- Rabani, Michal -- Gennert, Dave -- Lu, Diana -- Delorey, Toni -- Weissman, Jonathan S -- Carr, Steven A -- Hacohen, Nir -- Regev, Aviv -- F32 HD075541/HD/NICHD NIH HHS/ -- P50 HG006193/HG/NHGRI NIH HHS/ -- Howard Hughes Medical Institute/ -- New York, N.Y. -- Science. 2015 Mar 6;347(6226):1259038. doi: 10.1126/science.1259038. Epub 2015 Feb 12.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉The Broad Institute of MIT and Harvard, Cambridge, MA 02142, USA. ; The Broad Institute of MIT and Harvard, Cambridge, MA 02142, USA. Division of Health Sciences and Technology, Massachusetts Institute of Technology, Cambridge, MA 02139, USA. ; The Broad Institute of MIT and Harvard, Cambridge, MA 02142, USA. Harvard Faculty of Arts and Sciences Center for Systems Biology, Harvard University, Cambridge, MA 02138, USA. ; Department of Cellular and Molecular Pharmacology, California Institute for Quantitative Biomedical Research, University of California, San Francisco, San Francisco, CA 94158, USA. ; The Broad Institute of MIT and Harvard, Cambridge, MA 02142, USA. Center for Immunology and Inflammatory Diseases, Massachusetts General Hospital, Boston, MA 02114, USA. ; Department of Cellular and Molecular Pharmacology, California Institute for Quantitative Biomedical Research, University of California, San Francisco, San Francisco, CA 94158, USA. Howard Hughes Medical Institute (HHMI), University of California, San Francisco, San Francisco, CA 94158, USA. ; The Broad Institute of MIT and Harvard, Cambridge, MA 02142, USA. Center for Immunology and Inflammatory Diseases, Massachusetts General Hospital, Boston, MA 02114, USA. Harvard Medical School, Boston, MA 02115, USA. aregev@broad.mit.edu nhacohen@mgh.harvard.edu. ; The Broad Institute of MIT and Harvard, Cambridge, MA 02142, USA. Department of Biology, Massachusetts Institute of Technology, Cambridge, MA 02140, USA. HHMI, Department of Biology, Massachusetts Institute of Technology, Cambridge, MA 02140, USA. aregev@broad.mit.edu nhacohen@mgh.harvard.edu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25745177" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acids/chemistry/metabolism ; Animals ; Bone Marrow Cells/*immunology ; Cell Culture Techniques ; Dendritic Cells/*immunology ; Host-Pathogen Interactions/*immunology ; Isotope Labeling/methods ; Lipopolysaccharides/immunology ; Mice ; Mitochondrial Proteins/metabolism ; *Molecular Dynamics Simulation ; *Protein Biosynthesis ; *Proteolysis ; RNA, Messenger/biosynthesis/genetics ; Sequence Analysis, RNA
    Print ISSN: 0036-8075
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  • 191
    Publication Date: 2015-12-19
    Description: Dysfunction of microRNA (miRNA) metabolism is thought to underlie diseases affecting motoneurons. One miRNA, miR-218, is abundantly and selectively expressed by developing and mature motoneurons. Here we show that mutant mice lacking miR-218 die neonatally and exhibit neuromuscular junction defects, motoneuron hyperexcitability, and progressive motoneuron cell loss, all of which are hallmarks of motoneuron diseases such as amyotrophic lateral sclerosis and spinal muscular atrophy. Gene profiling reveals that miR-218 modestly represses a cohort of hundreds of genes that are neuronally enriched but are not specific to a single neuron subpopulation. Thus, the set of messenger RNAs targeted by miR-218, designated TARGET(218), defines a neuronal gene network that is selectively tuned down in motoneurons to prevent neuromuscular failure and neurodegeneration.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Amin, Neal D -- Bai, Ge -- Klug, Jason R -- Bonanomi, Dario -- Pankratz, Matthew T -- Gifford, Wesley D -- Hinckley, Christopher A -- Sternfeld, Matthew J -- Driscoll, Shawn P -- Dominguez, Bertha -- Lee, Kuo-Fen -- Jin, Xin -- Pfaff, Samuel L -- F31-NS080340-03/NS/NINDS NIH HHS/ -- P30 CA014195/CA/NCI NIH HHS/ -- P30 NS072031/NS/NINDS NIH HHS/ -- R01AG0476669/AG/NIA NIH HHS/ -- R01GM088278/GM/NIGMS NIH HHS/ -- R01NS044420/NS/NINDS NIH HHS/ -- R01NS054154/NS/NINDS NIH HHS/ -- R01NS060833/NS/NINDS NIH HHS/ -- R21NS084254/NS/NINDS NIH HHS/ -- T32-GM007198/GM/NIGMS NIH HHS/ -- Howard Hughes Medical Institute/ -- New York, N.Y. -- Science. 2015 Dec 18;350(6267):1525-9. doi: 10.1126/science.aad2509.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Howard Hughes Medical Institute and Gene Expression Laboratory, Salk Institute for Biological Studies, 10010 North Torrey Pines Road, La Jolla, CA 92037, USA. Medical Scientist Training Program, University of California, San Diego (UCSD), 9500 Gilman Drive, La Jolla, CA 92037, USA. Biomedical Sciences Graduate Program, UCSD, 9500 Gilman Drive, La Jolla, CA 92037, USA. ; Howard Hughes Medical Institute and Gene Expression Laboratory, Salk Institute for Biological Studies, 10010 North Torrey Pines Road, La Jolla, CA 92037, USA. ; Molecular Neurobiology Laboratory, Salk Institute for Biological Studies, 10010 North Torrey Pines Road, La Jolla, CA 92037, USA. ; Howard Hughes Medical Institute and Gene Expression Laboratory, Salk Institute for Biological Studies, 10010 North Torrey Pines Road, La Jolla, CA 92037, USA. Medical Scientist Training Program, University of California, San Diego (UCSD), 9500 Gilman Drive, La Jolla, CA 92037, USA. Neurosciences Graduate Program, UCSD, 9500 Gilman Drive, La Jolla, CA 92037, USA. ; Howard Hughes Medical Institute and Gene Expression Laboratory, Salk Institute for Biological Studies, 10010 North Torrey Pines Road, La Jolla, CA 92037, USA. Biological Sciences Graduate Program, UCSD, 9500 Gilman Drive, La Jolla, CA 92037, USA. ; Peptide Biology Laboratory, Salk Institute for Biological Studies, 10010 North Torrey Pines Road, La Jolla, CA 92037, USA. ; Howard Hughes Medical Institute and Gene Expression Laboratory, Salk Institute for Biological Studies, 10010 North Torrey Pines Road, La Jolla, CA 92037, USA. pfaff@salk.edu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26680198" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Gene Expression Regulation ; Gene Regulatory Networks ; Mice ; Mice, Knockout ; MicroRNAs/genetics/*physiology ; Motor Neuron Disease/*genetics/physiopathology ; Motor Neurons/metabolism/pathology/*physiology ; Neurodegenerative Diseases/*genetics/pathology ; Spinal Cord/metabolism/physiopathology
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  • 192
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2015-11-14
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pennisi, Elizabeth -- New York, N.Y. -- Science. 2015 Nov 13;350(6262):729-30. doi: 10.1126/science.350.6262.729.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26564827" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biological Evolution ; Brain/*growth & development ; *Fossils ; Pandalidae
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  • 193
    Publication Date: 2015-11-07
    Description: T cell infiltration of solid tumors is associated with favorable patient outcomes, yet the mechanisms underlying variable immune responses between individuals are not well understood. One possible modulator could be the intestinal microbiota. We compared melanoma growth in mice harboring distinct commensal microbiota and observed differences in spontaneous antitumor immunity, which were eliminated upon cohousing or after fecal transfer. Sequencing of the 16S ribosomal RNA identified Bifidobacterium as associated with the antitumor effects. Oral administration of Bifidobacterium alone improved tumor control to the same degree as programmed cell death protein 1 ligand 1 (PD-L1)-specific antibody therapy (checkpoint blockade), and combination treatment nearly abolished tumor outgrowth. Augmented dendritic cell function leading to enhanced CD8(+) T cell priming and accumulation in the tumor microenvironment mediated the effect. Our data suggest that manipulating the microbiota may modulate cancer immunotherapy.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sivan, Ayelet -- Corrales, Leticia -- Hubert, Nathaniel -- Williams, Jason B -- Aquino-Michaels, Keston -- Earley, Zachary M -- Benyamin, Franco W -- Lei, Yuk Man -- Jabri, Bana -- Alegre, Maria-Luisa -- Chang, Eugene B -- Gajewski, Thomas F -- 5T32CA009594-25/CA/NCI NIH HHS/ -- P30 DK42086/DK/NIDDK NIH HHS/ -- T32 AI007090/AI/NIAID NIH HHS/ -- New York, N.Y. -- Science. 2015 Nov 27;350(6264):1084-9. doi: 10.1126/science.aac4255. Epub 2015 Nov 5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Pathology, University of Chicago, Chicago, IL 60637, USA. ; Department of Medicine, University of Chicago, Chicago, IL 60637, USA. ; Section of Genetic Medicine, University of Chicago, Chicago, IL 60637, USA. ; Department of Pathology, University of Chicago, Chicago, IL 60637, USA. Department of Medicine, University of Chicago, Chicago, IL 60637, USA. tgajewsk@medicine.bsd.uchicago.edu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26541606" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antibodies, Monoclonal/*therapeutic use ; Antigens, CD274/*immunology ; Bifidobacterium/genetics/*immunology ; CD8-Positive T-Lymphocytes/immunology ; Dendritic Cells/immunology ; Fecal Microbiota Transplantation ; Gastrointestinal Microbiome/*immunology ; Gene Expression Regulation ; Humans ; Immunity/genetics ; Immunotherapy/methods ; Lymphocyte Activation ; Melanoma/*immunology/*therapy ; Mice ; Mice, Inbred C57BL ; RNA, Ribosomal, 16S/genetics ; Skin Neoplasms/*immunology/*therapy ; Symbiosis ; T-Lymphocytes/immunology ; Tumor Microenvironment/immunology
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  • 194
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2015-10-17
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Gibbons, Ann -- New York, N.Y. -- Science. 2015 Oct 16;350(6258):264. doi: 10.1126/science.350.6258.264.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26472887" target="_blank"〉PubMed〈/a〉
    Keywords: Africa ; *Biological Evolution ; Caves ; China ; *Fossils ; *Human Migration ; Humans ; Tooth
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  • 195
    Publication Date: 2015-06-06
    Description: Almecija and colleagues claim that we apply a simplified understanding of bone functional adaptation and that our results of human-like hand use in Australopithecus africanus are not novel. We argue that our results speak to actual behavior, rather than potential behaviors, and our functional interpretation is well supported by our methodological approach, comparative sample, and previous experimental data.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Skinner, Matthew M -- Stephens, Nicholas B -- Tsegai, Zewdi J -- Foote, Alexandra C -- Nguyen, N Huynh -- Gross, Thomas -- Pahr, Dieter H -- Hublin, Jean-Jacques -- Kivell, Tracy L -- New York, N.Y. -- Science. 2015 Jun 5;348(6239):1101. doi: 10.1126/science.aaa8931.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉School of Anthropology and Conservation, University of Kent, Canterbury CT2 7NR, UK. Department of Anthropology, University College London London, WC1H 0BW, UK. Department of Human Evolution, Max Planck Institute for Evolutionary Anthropology, Deutscher Platz 6, 04103 Leipzig, Germany. Evolutionary Studies Institute and Centre for Excellence in PalaeoSciences, University of the Witwatersrand, Private Bag 3, Wits 2050, South Africa. m.skinner@kent.ac.uk t.l.kivell@kent.ac.uk. ; Department of Human Evolution, Max Planck Institute for Evolutionary Anthropology, Deutscher Platz 6, 04103 Leipzig, Germany. ; Department of Anthropology, University College London London, WC1H 0BW, UK. ; Institute of Lightweight Design and Structural Biomechanics, Vienna University of Technology, Gusshausstrasse 27-29, 1040 Wien, Vienna, Austria. ; School of Anthropology and Conservation, University of Kent, Canterbury CT2 7NR, UK. Department of Human Evolution, Max Planck Institute for Evolutionary Anthropology, Deutscher Platz 6, 04103 Leipzig, Germany. Evolutionary Studies Institute and Centre for Excellence in PalaeoSciences, University of the Witwatersrand, Private Bag 3, Wits 2050, South Africa. m.skinner@kent.ac.uk t.l.kivell@kent.ac.uk.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26045429" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biological Evolution ; Humans ; Metacarpal Bones/*anatomy & histology ; Metacarpus/*anatomy & histology ; Thumb/*anatomy & histology
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  • 196
    Publication Date: 2015-02-14
    Description: A new Late Jurassic docodontan shows specializations for a subterranean lifestyle. It is similar to extant subterranean golden moles in having reduced digit segments as compared to the ancestral phalangeal pattern of mammaliaforms and extant mammals. The reduction of digit segments can occur in mammals by fusion of the proximal and intermediate phalangeal precursors, a developmental process for which a gene and signaling network have been characterized in mouse and human. Docodontans show a positional shift of thoracolumbar ribs, a developmental variation that is controlled by Hox9 and Myf5 genes in extant mammals. We argue that these morphogenetic mechanisms of modern mammals were operating before the rise of modern mammals, driving the morphological disparity in the earliest mammaliaform diversification.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Luo, Zhe-Xi -- Meng, Qing-Jin -- Ji, Qiang -- Liu, Di -- Zhang, Yu-Guang -- Neander, April I -- New York, N.Y. -- Science. 2015 Feb 13;347(6223):760-4. doi: 10.1126/science.1260880.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Organismal Biology and Anatomy, University of Chicago, Chicago, IL 60637, USA. zxluo@uchicago.edu mengqingjin@bmnh.org.cn. ; Beijing Museum of Natural History, Beijing 100050, China. zxluo@uchicago.edu mengqingjin@bmnh.org.cn. ; Institute of Geology, Chinese Academy of Geological Sciences, Beijing 100037, China. ; Beijing Museum of Natural History, Beijing 100050, China. ; Department of Organismal Biology and Anatomy, University of Chicago, Chicago, IL 60637, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25678660" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biological Evolution ; China ; Finger Phalanges/*anatomy & histology/*growth & development ; Foot/anatomy & histology/growth & development ; Homeodomain Proteins/genetics/physiology ; Humans ; Mammals/*anatomy & histology/genetics/*growth & development ; Mice ; Morphogenesis/genetics/*physiology ; Myogenic Regulatory Factor 5/genetics/physiology
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  • 197
    Publication Date: 2015-05-23
    Description: The development of effective pharmacological inhibitors of multidomain scaffold proteins, notably transcription factors, is a particularly challenging problem. In part, this is because many small-molecule antagonists disrupt the activity of only one domain in the target protein. We devised a chemical strategy that promotes ligand-dependent target protein degradation using as an example the transcriptional coactivator BRD4, a protein critical for cancer cell growth and survival. We appended a competitive antagonist of BET bromodomains to a phthalimide moiety to hijack the cereblon E3 ubiquitin ligase complex. The resultant compound, dBET1, induced highly selective cereblon-dependent BET protein degradation in vitro and in vivo and delayed leukemia progression in mice. A second series of probes resulted in selective degradation of the cytosolic protein FKBP12. This chemical strategy for controlling target protein stability may have implications for therapeutically targeting previously intractable proteins.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Winter, Georg E -- Buckley, Dennis L -- Paulk, Joshiawa -- Roberts, Justin M -- Souza, Amanda -- Dhe-Paganon, Sirano -- Bradner, James E -- P01 CA066996/CA/NCI NIH HHS/ -- P01-CA066996/CA/NCI NIH HHS/ -- R01-CA176745/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 2015 Jun 19;348(6241):1376-81. doi: 10.1126/science.aab1433. Epub 2015 May 21.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA 02115, USA. ; Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA 02115, USA. ; Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA 02115, USA. Department of Medicine, Harvard Medical School, Boston, MA 02115, USA. james_bradner@dfci.harvard.edu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25999370" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Azepines/chemistry/*pharmacology/therapeutic use ; Cell Line, Tumor ; Crystallography, X-Ray ; Disease Models, Animal ; *Drug Design ; Leukemia, Promyelocytic, Acute/drug therapy ; Ligands ; Mice ; Molecular Targeted Therapy ; Nuclear Proteins/antagonists & inhibitors/chemistry/*metabolism ; Peptide Hydrolases/*metabolism ; Phthalimides/*chemistry ; Protein Stability/drug effects ; Protein Structure, Tertiary ; Proteolysis/*drug effects ; Tacrolimus Binding Protein 1A/metabolism ; Thalidomide/*analogs & derivatives/chemistry/pharmacology/therapeutic use ; Transcription Factors/antagonists & inhibitors/chemistry/*metabolism ; Ubiquitin-Protein Ligases/metabolism
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  • 198
    Publication Date: 2015-01-24
    Description: The distinctly human ability for forceful precision and power "squeeze" gripping is linked to two key evolutionary transitions in hand use: a reduction in arboreal climbing and the manufacture and use of tools. However, it is unclear when these locomotory and manipulative transitions occurred. Here we show that Australopithecus africanus (~3 to 2 million years ago) and several Pleistocene hominins, traditionally considered not to have engaged in habitual tool manufacture, have a human-like trabecular bone pattern in the metacarpals consistent with forceful opposition of the thumb and fingers typically adopted during tool use. These results support archaeological evidence for stone tool use in australopiths and provide morphological evidence that Pliocene hominins achieved human-like hand postures much earlier and more frequently than previously considered.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Skinner, Matthew M -- Stephens, Nicholas B -- Tsegai, Zewdi J -- Foote, Alexandra C -- Nguyen, N Huynh -- Gross, Thomas -- Pahr, Dieter H -- Hublin, Jean-Jacques -- Kivell, Tracy L -- New York, N.Y. -- Science. 2015 Jan 23;347(6220):395-9. doi: 10.1126/science.1261735.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉School of Anthropology and Conservation, University of Kent, Canterbury CT2 7NR, UK. Department of Anthropology, University College London, London WC1H 0BW, UK. Department of Human Evolution, Max Planck Institute for Evolutionary Anthropology, Deutscher Platz 6, 04103 Leipzig Germany. Evolutionary Studies Institute and Centre for Excellence in PalaeoSciences, University of the Witwatersrand, Private Bag 3, Wits 2050, South Africa. m.skinner@kent.ac.uk t.l.kivell@kent.ac.uk. ; Department of Human Evolution, Max Planck Institute for Evolutionary Anthropology, Deutscher Platz 6, 04103 Leipzig Germany. ; Department of Anthropology, University College London, London WC1H 0BW, UK. ; Institute of Lightweight Design and Structural Biomechanics, Vienna University of Technology, Gusshausstrasse 27-29, 1040 Wien, Vienna, Austria. ; School of Anthropology and Conservation, University of Kent, Canterbury CT2 7NR, UK. Department of Human Evolution, Max Planck Institute for Evolutionary Anthropology, Deutscher Platz 6, 04103 Leipzig Germany. Evolutionary Studies Institute and Centre for Excellence in PalaeoSciences, University of the Witwatersrand, Private Bag 3, Wits 2050, South Africa. m.skinner@kent.ac.uk t.l.kivell@kent.ac.uk.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25613885" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Archaeology ; *Biological Evolution ; Hominidae/anatomy & histology ; Humans ; Metacarpal Bones/*anatomy & histology ; Metacarpus/*anatomy & histology/physiology ; Neanderthals/anatomy & histology ; Posture ; Thumb/*anatomy & histology/physiology
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  • 199
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2015-07-25
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Gibbons, Ann -- New York, N.Y. -- Science. 2015 Jul 24;349(6246):362-6. doi: 10.1126/science.349.6246.362.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26206910" target="_blank"〉PubMed〈/a〉
    Keywords: Archaeology ; Asia/ethnology ; *Biological Evolution ; DNA/*genetics ; Europe/ethnology ; *Genome, Human ; Humans ; Russia/ethnology ; *Sequence Analysis, DNA ; Skull
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  • 200
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2015-07-04
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pennisi, Elizabeth -- New York, N.Y. -- Science. 2015 Jul 3;349(6243):21-3. doi: 10.1126/science.349.6243.21.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26138961" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biological Evolution ; Brain/*anatomy & histology/*embryology ; DNA/genetics ; *Enhancer Elements, Genetic ; GTPase-Activating Proteins/genetics ; Gene Dosage ; Genes, Regulator ; Genetic Engineering ; *Genome, Human ; Humans ; Mice ; Mutagenesis, Insertional ; Organ Size/genetics ; Pan troglodytes/anatomy & histology/embryology/genetics ; Receptors, Cell Surface/genetics ; Species Specificity
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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