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  • 2015-2019
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  • 2010  (308)
  • 1
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    Sex bias blights drug studies (2010)
    Nature Publishing Group (NPG)
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    Publication Date: 2010-03-20
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Check Hayden, Erika -- England -- Nature. 2010 Mar 18;464(7287):332-3. doi: 10.1038/464332b.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20237530" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Bias (Epidemiology) ; Biomedical Research/*methods ; Clinical Trials as Topic/methods ; Drug Evaluation/*methods ; Female ; Humans ; Male ; Patient Selection ; Prejudice ; *Sex Characteristics ; Sex Distribution
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 2
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    The primate connection (2010)
    Nature Publishing Group (NPG)
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    Publication Date: 2010-07-16
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Trivedi, Bijal -- England -- Nature. 2010 Jul 15;466(7304):S5. doi: 10.1038/nature09236.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20631704" target="_blank"〉PubMed〈/a〉
    Keywords: AIDS Vaccines/immunology ; Animals ; Chronic Disease ; Disease Models, Animal ; Disease Progression ; Female ; Genome, Viral/genetics ; HIV Infections/*immunology/physiopathology/virology ; HIV-1/genetics/growth & development/immunology ; Host-Pathogen Interactions/immunology ; Immunity, Innate/immunology ; Inflammation/immunology/pathology ; Interleukin-17/immunology ; Macaca/immunology/virology ; Male ; Physiology, Comparative/methods ; Primates/*immunology/metabolism/*virology ; Receptors, HIV/metabolism ; Simian Acquired Immunodeficiency Syndrome/*immunology/metabolism/virology ; Simian Immunodeficiency Virus/classification/genetics/pathogenicity/*physiology ; T-Lymphocytes, Helper-Inducer/immunology/pathology ; Viral Load
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 3
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    Males still dominate animal studies (2010)
    Nature Publishing Group (NPG)
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    Publication Date: 2010-06-11
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Zucker, Irving -- Beery, Annaliese K -- England -- Nature. 2010 Jun 10;465(7299):690. doi: 10.1038/465690a.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Departmentsof Psychology, Helen Wills Neuroscience Institute, University of California, Berkeley, California 94720, USA. irvzuck@berkeley.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20535186" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Bias (Epidemiology) ; Biomedical Research/ethics/*methods/trends ; *Disease Models, Animal ; Female ; Humans ; Male ; Prevalence ; *Sex Characteristics ; Sex Distribution ; Sex Factors
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 4
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    Foot strike patterns and collision forces in habitually barefoot versus shod runners (2010)
    Nature Publishing Group (NPG)
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    Publication Date: 2010-01-30
    Description: Humans have engaged in endurance running for millions of years, but the modern running shoe was not invented until the 1970s. For most of human evolutionary history, runners were either barefoot or wore minimal footwear such as sandals or moccasins with smaller heels and little cushioning relative to modern running shoes. We wondered how runners coped with the impact caused by the foot colliding with the ground before the invention of the modern shoe. Here we show that habitually barefoot endurance runners often land on the fore-foot (fore-foot strike) before bringing down the heel, but they sometimes land with a flat foot (mid-foot strike) or, less often, on the heel (rear-foot strike). In contrast, habitually shod runners mostly rear-foot strike, facilitated by the elevated and cushioned heel of the modern running shoe. Kinematic and kinetic analyses show that even on hard surfaces, barefoot runners who fore-foot strike generate smaller collision forces than shod rear-foot strikers. This difference results primarily from a more plantarflexed foot at landing and more ankle compliance during impact, decreasing the effective mass of the body that collides with the ground. Fore-foot- and mid-foot-strike gaits were probably more common when humans ran barefoot or in minimal shoes, and may protect the feet and lower limbs from some of the impact-related injuries now experienced by a high percentage of runners.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lieberman, Daniel E -- Venkadesan, Madhusudhan -- Werbel, William A -- Daoud, Adam I -- D'Andrea, Susan -- Davis, Irene S -- Mang'eni, Robert Ojiambo -- Pitsiladis, Yannis -- England -- Nature. 2010 Jan 28;463(7280):531-5. doi: 10.1038/nature08723.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Human Evolutionary Biology, 11 Divinity Avenue, Harvard University, Cambridge, Massachusetts 02138, USA. danlieb@fas.harvard.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20111000" target="_blank"〉PubMed〈/a〉
    Keywords: Adolescent ; Adult ; Biomechanical Phenomena ; Child ; Female ; Foot/*physiology ; Forefoot, Human/physiology ; Gait/physiology ; Humans ; Kenya ; Male ; Running/*physiology ; *Shoes/standards ; *Stress, Mechanical ; United States ; Weight-Bearing/physiology ; Young Adult
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 5
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    Amygdalar and hippocampal substrates of anxious temperament differ in their heritability (2010)
    Nature Publishing Group (NPG)
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    Publication Date: 2010-08-13
    Description: Anxious temperament (AT) in human and non-human primates is a trait-like phenotype evident early in life that is characterized by increased behavioural and physiological reactivity to mildly threatening stimuli. Studies in children demonstrate that AT is an important risk factor for the later development of anxiety disorders, depression and comorbid substance abuse. Despite its importance as an early predictor of psychopathology, little is known about the factors that predispose vulnerable children to develop AT and the brain systems that underlie its expression. To characterize the neural circuitry associated with AT and the extent to which the function of this circuit is heritable, we studied a large sample of rhesus monkeys phenotyped for AT. Using 238 young monkeys from a multigenerational single-family pedigree, we simultaneously assessed brain metabolic activity and AT while monkeys were exposed to the relevant ethological condition that elicits the phenotype. High-resolution (18)F-labelled deoxyglucose positron-emission tomography (FDG-PET) was selected as the imaging modality because it provides semi-quantitative indices of absolute glucose metabolic rate, allows for simultaneous measurement of behaviour and brain activity, and has a time course suited for assessing temperament-associated sustained brain responses. Here we demonstrate that the central nucleus region of the amygdala and the anterior hippocampus are key components of the neural circuit predictive of AT. We also show significant heritability of the AT phenotype by using quantitative genetic analysis. Additionally, using voxelwise analyses, we reveal significant heritability of metabolic activity in AT-associated hippocampal regions. However, activity in the amygdala region predictive of AT is not significantly heritable. Furthermore, the heritabilities of the hippocampal and amygdala regions significantly differ from each other. Even though these structures are closely linked, the results suggest differential influences of genes and environment on how these brain regions mediate AT and the ongoing risk of developing anxiety and depression.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2998538/" 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/PMC2998538/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Oler, Jonathan A -- Fox, Andrew S -- Shelton, Steven E -- Rogers, Jeffrey -- Dyer, Thomas D -- Davidson, Richard J -- Shelledy, Wendy -- Oakes, Terrence R -- Blangero, John -- Kalin, Ned H -- MH018931/MH/NIMH NIH HHS/ -- MH046729/MH/NIMH NIH HHS/ -- MH059490/MH/NIMH NIH HHS/ -- MH081884/MH/NIMH NIH HHS/ -- MH084051/MH/NIMH NIH HHS/ -- P50 MH084051/MH/NIMH NIH HHS/ -- P50 MH084051-030001/MH/NIMH NIH HHS/ -- R01 MH046729/MH/NIMH NIH HHS/ -- R01 MH046729-17/MH/NIMH NIH HHS/ -- R01 MH081884/MH/NIMH NIH HHS/ -- R01 MH081884-04/MH/NIMH NIH HHS/ -- R37 MH059490/MH/NIMH NIH HHS/ -- R37 MH059490-13/MH/NIMH NIH HHS/ -- England -- Nature. 2010 Aug 12;466(7308):864-8. doi: 10.1038/nature09282.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Psychiatry, University of Wisconsin-Madison, Madison, Wisconsin 53719, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20703306" target="_blank"〉PubMed〈/a〉
    Keywords: Amygdala/*metabolism ; Animals ; Anxiety/*genetics/*physiopathology ; Depression/genetics ; Female ; Freezing Reaction, Cataleptic ; Genetic Predisposition to Disease/*genetics ; Glucose/metabolism ; *Heredity ; Hippocampus/*metabolism ; Macaca mulatta/genetics/physiology ; Male ; Models, Animal ; Neural Pathways/physiology ; Pedigree ; Phenotype ; Positron-Emission Tomography ; Stress, Psychological ; Temperament/*physiology ; Temporal Lobe/metabolism ; Vocalization, Animal
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 6
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    Forgotten lessons (2010)
    Nature Publishing Group (NPG)
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    Publication Date: 2010-07-16
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Basu, Paroma -- England -- Nature. 2010 Jul 15;466(7304):S14-5. doi: 10.1038/nature09241.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20631697" target="_blank"〉PubMed〈/a〉
    Keywords: Acquired Immunodeficiency Syndrome/drug therapy/epidemiology/prevention & ; control/psychology/transmission ; Adult ; Child ; Chronic Disease/drug therapy/epidemiology/prevention & control/psychology ; Community-Institutional Relations ; Developed Countries/*statistics & numerical data ; Female ; HIV Infections/drug therapy/*epidemiology/prevention & ; control/*psychology/transmission ; Health Education ; Humans ; Incidence ; Male ; Patient Compliance/psychology/statistics & numerical data ; Risk-Taking ; Safe Sex/*psychology/*statistics & numerical data ; Viral Load/drug effects
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 7
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    Competition drives cooperation among closely related sperm of deer mice (2010)
    Nature Publishing Group (NPG)
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    Publication Date: 2010-01-22
    Description: Among the extraordinary adaptations driven by sperm competition is the cooperative behaviour of spermatozoa. By forming cooperative groups, sperm can increase their swimming velocity and thereby gain an advantage in intermale sperm competition. Accordingly, selection should favour cooperation of the most closely related sperm to maximize fitness. Here we show that sperm of deer mice (genus Peromyscus) form motile aggregations, then we use this system to test predictions of sperm cooperation. We find that sperm aggregate more often with conspecific than heterospecific sperm, suggesting that individual sperm can discriminate on the basis of genetic relatedness. Next, we provide evidence that the cooperative behaviour of closely related sperm is driven by sperm competition. In a monogamous species lacking sperm competition, Peromyscus polionotus, sperm indiscriminately group with unrelated conspecific sperm. In contrast, in the highly promiscuous deer mouse, Peromyscus maniculatus, sperm are significantly more likely to aggregate with those obtained from the same male than with sperm from an unrelated conspecific donor. Even when we test sperm from sibling males, we continue to see preferential aggregations of related sperm in P. maniculatus. These results suggest that sperm from promiscuous deer mice discriminate among relatives and thereby cooperate with the most closely related sperm, an adaptation likely to have been driven by sperm competition.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2824558/" 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/PMC2824558/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Fisher, Heidi S -- Hoekstra, Hopi E -- F32 GM084719/GM/NIGMS NIH HHS/ -- F32 GM084719-02/GM/NIGMS NIH HHS/ -- England -- Nature. 2010 Feb 11;463(7282):801-3. doi: 10.1038/nature08736. Epub 2010 Jan 20.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Organismic and Evolutionary Biology, Museum of Comparative Zoology, Cambridge, Massachusetts 02138, USA. hfisher@oeb.harvard.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20090679" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Aggregation ; Competitive Behavior/*physiology ; *Cooperative Behavior ; Copulation/physiology ; Female ; Male ; Peromyscus/*classification/*physiology ; Sexual Behavior, Animal/*physiology ; Species Specificity ; Sperm Motility/physiology ; Spermatozoa/*physiology
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 8
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    A systems approach (2010)
    Nature Publishing Group (NPG)
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    Publication Date: 2010-05-27
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Chi, Kelly Rae -- England -- Nature. 2010 Apr 15;464(7291):1090-1.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20503480" target="_blank"〉PubMed〈/a〉
    Keywords: Breast Neoplasms/genetics/metabolism/pathology/therapy ; Computational Biology/education/manpower/trends ; Female ; Genetic Heterogeneity ; Humans ; Models, Biological ; Neoplasms/genetics/*metabolism/*pathology/therapy ; Research Personnel/education ; Systems Biology/education/manpower/*trends
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 9
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    Neuroscience: Sexy circuits (2010)
    Nature Publishing Group (NPG)
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    Publication Date: 2010-12-03
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Benton, Richard -- England -- Nature. 2010 Dec 2;468(7324):638-40. doi: 10.1038/468638a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21124442" target="_blank"〉PubMed〈/a〉
    Keywords: Acetates/pharmacology ; Animals ; Drosophila Proteins/genetics/metabolism ; Drosophila melanogaster/anatomy & histology/*cytology/*drug effects/physiology ; Female ; Gene Expression Regulation ; Male ; Nerve Tissue Proteins/genetics/metabolism ; Neuroanatomical Tract-Tracing Techniques/methods ; Oleic Acids/pharmacology ; Olfactory Pathways/anatomy & histology/cytology/*drug effects ; Olfactory Perception/drug effects/physiology ; Pheromones/*pharmacology ; Sensory Receptor Cells/drug effects/physiology ; *Sex Characteristics ; Sexual Behavior, Animal/physiology ; Transcription Factors/genetics/metabolism
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 10
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    Lkb1 regulates quiescence and metabolic homeostasis of haematopoietic stem cells (2010)
    Nature Publishing Group (NPG)
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    Publication Date: 2010-12-03
    Description: The capacity to fine-tune cellular bioenergetics with the demands of stem-cell maintenance and regeneration is central to normal development and ageing, and to organismal survival during periods of acute stress. How energy metabolism and stem-cell homeostatic processes are coordinated is not well understood. Lkb1 acts as an evolutionarily conserved regulator of cellular energy metabolism in eukaryotic cells and functions as the major upstream kinase to phosphorylate AMP-activated protein kinase (AMPK) and 12 other AMPK-related kinases. Whether Lkb1 regulates stem-cell maintenance remains unknown. Here we show that Lkb1 has an essential role in haematopoietic stem cell (HSC) homeostasis. We demonstrate that ablation of Lkb1 in adult mice results in severe pancytopenia and subsequent lethality. Loss of Lkb1 leads to impaired survival and escape from quiescence of HSCs, resulting in exhaustion of the HSC pool and a marked reduction of HSC repopulating potential in vivo. Lkb1 deletion has an impact on cell proliferation in HSCs, but not on more committed compartments, pointing to context-specific functions for Lkb1 in haematopoiesis. The adverse impact of Lkb1 deletion on haematopoiesis was predominantly cell-autonomous and mTOR complex 1 (mTORC1)-independent, and involves multiple mechanisms converging on mitochondrial apoptosis and possibly downregulation of PGC-1 coactivators and their transcriptional network, which have critical roles in mitochondrial biogenesis and function. Thus, Lkb1 serves as an essential regulator of HSCs and haematopoiesis, and more generally, points to the critical importance of coupling energy metabolism and stem-cell homeostasis.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3058342/" 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/PMC3058342/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Gan, Boyi -- Hu, Jian -- Jiang, Shan -- Liu, Yingchun -- Sahin, Ergun -- Zhuang, Li -- Fletcher-Sananikone, Eliot -- Colla, Simona -- Wang, Y Alan -- Chin, Lynda -- Depinho, Ronald A -- 01CA141508/CA/NCI NIH HHS/ -- R21 CA135057/CA/NCI NIH HHS/ -- R21 CA135057-01/CA/NCI NIH HHS/ -- R21CA135057/CA/NCI NIH HHS/ -- U01 CA141508/CA/NCI NIH HHS/ -- U01 CA141508-01/CA/NCI NIH HHS/ -- England -- Nature. 2010 Dec 2;468(7324):701-4. doi: 10.1038/nature09595.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Belfer Institute for Applied Cancer Science, Dana-Farber Cancer Institute, Boston, Massachusetts 02115, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21124456" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Apoptosis ; Cell Cycle/*physiology ; Cell Proliferation ; Cell Survival ; *Energy Metabolism ; Female ; Gene Deletion ; Hematopoiesis ; Hematopoietic Stem Cells/*cytology/*metabolism/pathology ; *Homeostasis ; Male ; Mice ; Mice, Inbred C57BL ; Mice, Knockout ; Mitochondria/metabolism/pathology ; Multiprotein Complexes ; Pancytopenia/genetics ; Phenotype ; Protein-Serine-Threonine Kinases/deficiency/genetics/*metabolism ; Proteins/metabolism ; Survival Analysis ; TOR Serine-Threonine Kinases ; Transcription Factors/metabolism
    Print ISSN: 0028-0836
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    Secrets of the shaking palsy (2010)
    Nature Publishing Group (NPG)
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    Publication Date: 2010-08-27
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Schnabel, Jim -- England -- Nature. 2010 Aug 26;466(7310):S2-5. doi: 10.1038/466S2b.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20739933" target="_blank"〉PubMed〈/a〉
    Keywords: Amyloid/metabolism ; Female ; Humans ; Male ; Mitochondria/pathology ; Neurons/*pathology ; Parkinson Disease/diagnosis/genetics/*pathology ; alpha-Synuclein/genetics/metabolism
    Print ISSN: 0028-0836
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 12
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    Sister chromosome pairing maintains heterozygosity in parthenogenetic lizards (2010)
    Nature Publishing Group (NPG)
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    Publication Date: 2010-02-23
    Description: Although bisexual reproduction has proven to be highly successful, parthenogenetic all-female populations occur frequently in certain taxa, including the whiptail lizards of the genus Aspidoscelis. Allozyme analysis revealed a high degree of fixed heterozygosity in these parthenogenetic species, supporting the view that they originated from hybridization events between related sexual species. It has remained unclear how the meiotic program is altered to produce diploid eggs while maintaining heterozygosity. Here we show that meiosis commences with twice the number of chromosomes in parthenogenetic versus sexual species, a mechanism that provides the basis for generating gametes with unreduced chromosome content without fundamental deviation from the classic meiotic program. Our observation of synaptonemal complexes and chiasmata demonstrate that a typical meiotic program occurs and that heterozygosity is not maintained by bypassing recombination. Instead, fluorescent in situ hybridization probes that distinguish between homologues reveal that bivalents form between sister chromosomes, the genetically identical products of the first of two premeiotic replication cycles. Sister chromosome pairing provides a mechanism for the maintenance of heterozygosity, which is critical for offsetting the reduced fitness associated with the lack of genetic diversity in parthenogenetic species.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2840635/" 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/PMC2840635/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lutes, Aracely A -- Neaves, William B -- Baumann, Diana P -- Wiegraebe, Winfried -- Baumann, Peter -- Howard Hughes Medical Institute/ -- England -- Nature. 2010 Mar 11;464(7286):283-6. doi: 10.1038/nature08818. Epub 2010 Feb 21.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Stowers Institute for Medical Research, Kansas City, Missouri 64110, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20173738" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Chromosome Pairing/*genetics ; Chromosomes/*genetics ; Crossing Over, Genetic/genetics ; Female ; *Heterozygote ; Lizards/*genetics ; Meiosis/genetics ; Microscopy, Electron, Transmission ; Oocytes/cytology/physiology/ultrastructure ; Telomere/genetics
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    Chemical genetics strategy identifies an HCV NS5A inhibitor with a potent clinical effect (2010)
    Nature Publishing Group (NPG)
    Details
    Publication Date: 2010-04-23
    Description: The worldwide prevalence of chronic hepatitis C virus (HCV) infection is estimated to be approaching 200 million people. Current therapy relies upon a combination of pegylated interferon-alpha and ribavirin, a poorly tolerated regimen typically associated with less than 50% sustained virological response rate in those infected with genotype 1 virus. The development of direct-acting antiviral agents to treat HCV has focused predominantly on inhibitors of the viral enzymes NS3 protease and the RNA-dependent RNA polymerase NS5B. Here we describe the profile of BMS-790052, a small molecule inhibitor of the HCV NS5A protein that exhibits picomolar half-maximum effective concentrations (EC(50)) towards replicons expressing a broad range of HCV genotypes and the JFH-1 genotype 2a infectious virus in cell culture. In a phase I clinical trial in patients chronically infected with HCV, administration of a single 100-mg dose of BMS-790052 was associated with a 3.3 log(10) reduction in mean viral load measured 24 h post-dose that was sustained for an additional 120 h in two patients infected with genotype 1b virus. Genotypic analysis of samples taken at baseline, 24 and 144 h post-dose revealed that the major HCV variants observed had substitutions at amino-acid positions identified using the in vitro replicon system. These results provide the first clinical validation of an inhibitor of HCV NS5A, a protein with no known enzymatic function, as an approach to the suppression of virus replication that offers potential as part of a therapeutic regimen based on combinations of HCV inhibitors.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Gao, Min -- Nettles, Richard E -- Belema, Makonen -- Snyder, Lawrence B -- Nguyen, Van N -- Fridell, Robert A -- Serrano-Wu, Michael H -- Langley, David R -- Sun, Jin-Hua -- O'Boyle, Donald R 2nd -- Lemm, Julie A -- Wang, Chunfu -- Knipe, Jay O -- Chien, Caly -- Colonno, Richard J -- Grasela, Dennis M -- Meanwell, Nicholas A -- Hamann, Lawrence G -- England -- Nature. 2010 May 6;465(7294):96-100. doi: 10.1038/nature08960. Epub 2010 Apr 21.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Virology, Bristol-Myers Squibb Research and Development, 5 Research Parkway, Wallingford, Connecticut 06492, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20410884" target="_blank"〉PubMed〈/a〉
    Keywords: Adolescent ; Adult ; Animals ; Antiviral Agents/blood/chemistry/*pharmacology/therapeutic use ; Cell Line ; Cercopithecus aethiops ; Drug Resistance, Viral ; Female ; Genotype ; HeLa Cells ; Hepacivirus/*drug effects ; Hepatitis C/drug therapy/virology ; Humans ; Imidazoles/blood/chemistry/*pharmacology ; Inhibitory Concentration 50 ; Male ; Middle Aged ; Time Factors ; Vero Cells ; Viral Load/drug effects ; Viral Nonstructural Proteins/*antagonists & inhibitors ; Young Adult
    Print ISSN: 0028-0836
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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    Evolutionary biology: Oh sibling, who art thou? (2010)
    Nature Publishing Group (NPG)
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    Publication Date: 2010-08-21
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cockburn, Andrew -- England -- Nature. 2010 Aug 19;466(7309):930-1. doi: 10.1038/466930a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20725030" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biological Evolution ; Birds/classification/genetics/*physiology ; *Cooperative Behavior ; Fathers ; Female ; Male ; Models, Biological ; Mothers ; Phylogeny ; Reproduction/genetics/physiology ; Sexual Behavior, Animal/*physiology ; *Siblings
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    Long shadow of the stem-cell ruling (2010)
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    Publication Date: 2010-10-29
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉England -- Nature. 2010 Oct 28;467(7319):1031-3. doi: 10.1038/4671031a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20981069" target="_blank"〉PubMed〈/a〉
    Keywords: *Embryonic Stem Cells ; Female ; HeLa Cells ; Humans ; *Policy Making ; Politics ; Public Policy/legislation & jurisprudence/trends ; Research Personnel/economics/ethics/psychology ; Stem Cell Research/*economics/ethics/*legislation & jurisprudence ; United States
    Print ISSN: 0028-0836
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 16
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    Stem cells: Cues from steroid hormones (2010)
    Nature Publishing Group (NPG)
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    Publication Date: 2010-06-11
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lydon, John P -- England -- Nature. 2010 Jun 10;465(7299):695-6. doi: 10.1038/465695a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20535190" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Breast Neoplasms/pathology ; Cell Division ; Estrogens/*metabolism ; Estrous Cycle/physiology ; Female ; Humans ; Lactation/physiology ; Mammary Glands, Animal/*cytology ; Mice ; Paracrine Communication ; Pregnancy ; Pregnancy, Animal/physiology ; Progesterone/*metabolism ; RANK Ligand/metabolism ; Receptors, Estrogen/deficiency ; Receptors, Progesterone/deficiency ; Stem Cell Niche/cytology/metabolism ; Stem Cells/*cytology/drug effects/*metabolism
    Print ISSN: 0028-0836
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  • 17
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    Higher rates of sex evolve in spatially heterogeneous environments (2010)
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    Publication Date: 2010-10-15
    Description: The evolution and maintenance of sexual reproduction has puzzled biologists for decades. Although this field is rich in hypotheses, experimental evidence is scarce. Some important experiments have demonstrated differences in evolutionary rates between sexual and asexual populations; other experiments have documented evolutionary changes in phenomena related to genetic mixing, such as recombination and selfing. However, direct experiments of the evolution of sex within populations are extremely rare (but see ref. 12). Here we use the rotifer, Brachionus calyciflorus, which is capable of both sexual and asexual reproduction, to test recent theory predicting that there is more opportunity for sex to evolve in spatially heterogeneous environments. Replicated experimental populations of rotifers were maintained in homogeneous environments, composed of either high- or low-quality food habitats, or in heterogeneous environments that consisted of a mix of the two habitats. For populations maintained in either type of homogeneous environment, the rate of sex evolves rapidly towards zero. In contrast, higher rates of sex evolve in populations experiencing spatially heterogeneous environments. The data indicate that the higher level of sex observed under heterogeneity is not due to sex being less costly or selection against sex being less efficient; rather sex is sufficiently advantageous in heterogeneous environments to overwhelm its inherent costs. Counter to some alternative theories for the evolution of sex, there is no evidence that genetic drift plays any part in the evolution of sex in these populations.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Becks, Lutz -- Agrawal, Aneil F -- England -- Nature. 2010 Nov 4;468(7320):89-92. doi: 10.1038/nature09449. Epub 2010 Oct 13.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Ecology & Evolutionary Biology, University of Toronto, Toronto, Ontario M5S 3B2, Canada. lutz.becks@utoronto.ca〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20944628" target="_blank"〉PubMed〈/a〉
    Keywords: Animal Migration/physiology ; Animals ; *Biological Evolution ; Diet/veterinary ; *Ecosystem ; Female ; *Food ; Genetic Drift ; Male ; Meiosis/genetics ; Models, Biological ; Ovum/physiology ; Population Density ; Reproduction/physiology ; Reproduction, Asexual/physiology ; Rotifera/cytology/genetics/*physiology ; Selection, Genetic ; *Sex
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    Epigenetic silencing of engineered L1 retrotransposition events in human embryonic carcinoma cells (2010)
    Nature Publishing Group (NPG)
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    Publication Date: 2010-08-06
    Description: Long interspersed element-1 (LINE-1 or L1) retrotransposition continues to affect human genome evolution. L1s can retrotranspose in the germline, during early development and in select somatic cells; however, the host response to L1 retrotransposition remains largely unexplored. Here we show that reporter genes introduced into the genome of various human embryonic carcinoma-derived cell lines (ECs) by L1 retrotransposition are rapidly and efficiently silenced either during or immediately after their integration. Treating ECs with histone deacetylase inhibitors rapidly reverses this silencing, and chromatin immunoprecipitation experiments revealed that reactivation of the reporter gene was correlated with changes in chromatin status at the L1 integration site. Under our assay conditions, rapid silencing was also observed when reporter genes were delivered into ECs by mouse L1s and a zebrafish LINE-2 element, but not when similar reporter genes were delivered into ECs by Moloney murine leukaemia virus or human immunodeficiency virus, suggesting that these integration events are silenced by distinct mechanisms. Finally, we demonstrate that subjecting ECs to culture conditions that promote differentiation attenuates the silencing of reporter genes delivered by L1 retrotransposition, but that differentiation, in itself, is not sufficient to reactivate previously silenced reporter genes. Thus, our data indicate that ECs differ from many differentiated cells in their ability to silence reporter genes delivered by L1 retrotransposition.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3034402/" 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/PMC3034402/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Garcia-Perez, Jose L -- Morell, Maria -- Scheys, Joshua O -- Kulpa, Deanna A -- Morell, Santiago -- Carter, Christoph C -- Hammer, Gary D -- Collins, Kathleen L -- O'Shea, K Sue -- Menendez, Pablo -- Moran, John V -- 5 P30 CA46592/CA/NCI NIH HHS/ -- GM-069985/GM/NIGMS NIH HHS/ -- GM060518/GM/NIGMS NIH HHS/ -- GM082970/GM/NIGMS NIH HHS/ -- NS-048187/NS/NINDS NIH HHS/ -- R01 DK62027/DK/NIDDK NIH HHS/ -- R01 GM060518/GM/NIGMS NIH HHS/ -- R01 GM060518-12/GM/NIGMS NIH HHS/ -- R01 GM082970/GM/NIGMS NIH HHS/ -- R01 GM082970-04/GM/NIGMS NIH HHS/ -- R01AI051198/AI/NIAID NIH HHS/ -- T32-GM08322/GM/NIGMS NIH HHS/ -- Howard Hughes Medical Institute/ -- England -- Nature. 2010 Aug 5;466(7307):769-73. doi: 10.1038/nature09209.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Human Genetics, 1241 East Catherine Street, University of Michigan Medical School, Ann Arbor, Michigan 48109-5618, USA. josel.garcia.perez@juntadeandalucia.es〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20686575" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Differentiation/genetics/physiology ; Cell Line, Tumor ; Chromatin/drug effects/genetics/metabolism ; Chromatin Immunoprecipitation ; Embryonal Carcinoma Stem Cells/*metabolism/pathology ; Epigenesis, Genetic/drug effects/*genetics ; Female ; Gene Expression Regulation, Neoplastic/drug effects ; *Gene Silencing/drug effects ; Genes, Reporter/genetics ; Genetic Engineering ; Genetic Vectors/genetics ; Genome, Human/genetics ; HIV/genetics ; Histone Deacetylase Inhibitors/pharmacology ; Humans ; Long Interspersed Nucleotide Elements/genetics ; Male ; Mice ; Models, Genetic ; Moloney murine leukemia virus/genetics ; Retroelements/*genetics ; Zebrafish/genetics
    Print ISSN: 0028-0836
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    Osteoclast differentiation factor RANKL controls development of progestin-driven mammary cancer (2010)
    Nature Publishing Group (NPG)
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    Publication Date: 2010-10-01
    Description: Breast cancer is one of the most common cancers in humans and will on average affect up to one in eight women in their lifetime in the United States and Europe. The Women's Health Initiative and the Million Women Study have shown that hormone replacement therapy is associated with an increased risk of incident and fatal breast cancer. In particular, synthetic progesterone derivatives (progestins) such as medroxyprogesterone acetate (MPA), used in millions of women for hormone replacement therapy and contraceptives, markedly increase the risk of developing breast cancer. Here we show that the in vivo administration of MPA triggers massive induction of the key osteoclast differentiation factor RANKL (receptor activator of NF-kappaB ligand) in mammary-gland epithelial cells. Genetic inactivation of the RANKL receptor RANK in mammary-gland epithelial cells prevents MPA-induced epithelial proliferation, impairs expansion of the CD49f(hi) stem-cell-enriched population, and sensitizes these cells to DNA-damage-induced cell death. Deletion of RANK from the mammary epithelium results in a markedly decreased incidence and delayed onset of MPA-driven mammary cancer. These data show that the RANKL/RANK system controls the incidence and onset of progestin-driven breast cancer.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3084017/" 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/PMC3084017/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Schramek, Daniel -- Leibbrandt, Andreas -- Sigl, Verena -- Kenner, Lukas -- Pospisilik, John A -- Lee, Heather J -- Hanada, Reiko -- Joshi, Purna A -- Aliprantis, Antonios -- Glimcher, Laurie -- Pasparakis, Manolis -- Khokha, Rama -- Ormandy, Christopher J -- Widschwendter, Martin -- Schett, Georg -- Penninger, Josef M -- HD055601/HD/NICHD NIH HHS/ -- R01 HD055601/HD/NICHD NIH HHS/ -- R01 HD055601-04/HD/NICHD NIH HHS/ -- England -- Nature. 2010 Nov 4;468(7320):98-102. doi: 10.1038/nature09387. Epub 2010 Sep 29.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉IMBA, Institute of Molecular Biotechnology of the Austrian Academy of Sciences, 1030 Vienna, Austria.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20881962" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Apoptosis/radiation effects ; Cell Differentiation ; Cell Proliferation/drug effects ; DNA Damage ; Epithelial Cells/cytology/drug effects/metabolism/radiation effects ; Female ; Gamma Rays ; Integrin alpha6/metabolism ; Mammary Neoplasms, Experimental/*chemically ; induced/genetics/metabolism/*pathology ; Medroxyprogesterone Acetate/administration & dosage/adverse effects ; Mice ; NF-kappa B/metabolism ; Osteoclasts/cytology ; Phosphoproteins/analysis/immunology ; Progestins/administration & dosage/*adverse effects ; RANK Ligand/deficiency/genetics/*metabolism ; Receptor Activator of Nuclear Factor-kappa B/deficiency/genetics/metabolism ; Signal Transduction ; Stem Cells/cytology/drug effects/metabolism
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    RANK ligand mediates progestin-induced mammary epithelial proliferation and carcinogenesis (2010)
    Nature Publishing Group (NPG)
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    Publication Date: 2010-10-01
    Description: RANK ligand (RANKL), a TNF-related molecule, is essential for osteoclast formation, function and survival through interaction with its receptor RANK. Mammary glands of RANK- and RANKL-deficient mice develop normally during sexual maturation, but fail to form lobuloalveolar structures during pregnancy because of defective proliferation and increased apoptosis of mammary epithelium. It has been shown that RANKL is responsible for the major proliferative response of mouse mammary epithelium to progesterone during mammary lactational morphogenesis, and in mouse models, manipulated to induce activation of the RANK/RANKL pathway in the absence of strict hormonal control, inappropriate mammary proliferation is observed. However, there is no evidence so far of a functional contribution of RANKL to tumorigenesis. Here we show that RANK and RANKL are expressed within normal, pre-malignant and neoplastic mammary epithelium, and using complementary gain-of-function (mouse mammary tumour virus (MMTV)-RANK transgenic mice) and loss-of function (pharmacological inhibition of RANKL) approaches, define a direct contribution of this pathway in mammary tumorigenesis. Accelerated pre-neoplasias and increased mammary tumour formation were observed in MMTV-RANK transgenic mice after multiparity or treatment with carcinogen and hormone (progesterone). Reciprocally, selective pharmacological inhibition of RANKL attenuated mammary tumour development not only in hormone- and carcinogen-treated MMTV-RANK and wild-type mice, but also in the MMTV-neu transgenic spontaneous tumour model. The reduction in tumorigenesis upon RANKL inhibition was preceded by a reduction in pre-neoplasias as well as rapid and sustained reductions in hormone- and carcinogen-induced mammary epithelial proliferation and cyclin D1 levels. Collectively, our results indicate that RANKL inhibition is acting directly on hormone-induced mammary epithelium at early stages in tumorigenesis, and the permissive contribution of progesterone to increased mammary cancer incidence is due to RANKL-dependent proliferative changes in the mammary epithelium. The current study highlights a potential role for RANKL inhibition in the management of proliferative breast disease.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Gonzalez-Suarez, Eva -- Jacob, Allison P -- Jones, Jon -- Miller, Robert -- Roudier-Meyer, Martine P -- Erwert, Ryan -- Pinkas, Jan -- Branstetter, Dan -- Dougall, William C -- England -- Nature. 2010 Nov 4;468(7320):103-7. doi: 10.1038/nature09495. Epub 2010 Sep 29.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Hematology/Oncology Research, Amgen Inc, Seattle, Washington 98119, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20881963" target="_blank"〉PubMed〈/a〉
    Keywords: 9,10-Dimethyl-1,2-benzanthracene/administration & dosage/adverse effects ; Animals ; Breast Neoplasms/metabolism/pathology ; Cell Proliferation/drug effects ; Cell Transformation, Neoplastic/*chemically induced/*drug effects/pathology ; Disease Models, Animal ; Epithelial Cells/drug effects/metabolism/pathology ; Female ; Humans ; Lung Neoplasms/secondary ; Mammary Neoplasms, Experimental/*chemically ; induced/genetics/metabolism/*pathology ; Mammary Tumor Virus, Mouse/genetics/physiology ; Medroxyprogesterone Acetate/administration & dosage/adverse effects ; Mice ; Mice, Inbred C57BL ; Mice, Transgenic ; Neoplasm Invasiveness ; Precancerous Conditions/pathology/prevention & control ; Progesterone/administration & dosage/adverse effects ; Progestins/administration & dosage/*adverse effects ; RANK Ligand/antagonists & inhibitors/genetics/*metabolism ; Receptor Activator of Nuclear Factor-kappa B/genetics/metabolism
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    A population-specific HTR2B stop codon predisposes to severe impulsivity (2010)
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    Publication Date: 2010-12-24
    Description: Impulsivity, describing action without foresight, is an important feature of several psychiatric diseases, suicidality and violent behaviour. The complex origins of impulsivity hinder identification of the genes influencing it and the diseases with which it is associated. Here we perform exon-focused sequencing of impulsive individuals in a founder population, targeting fourteen genes belonging to the serotonin and dopamine domain. A stop codon in HTR2B was identified that is common (minor allele frequency 〉 1%) but exclusive to Finnish people. Expression of the gene in the human brain was assessed, as well as the molecular functionality of the stop codon, which was associated with psychiatric diseases marked by impulsivity in both population and family-based analyses. Knockout of Htr2b increased impulsive behaviours in mice, indicative of predictive validity. Our study shows the potential for identifying and tracing effects of rare alleles in complex behavioural phenotypes using founder populations, and indicates a role for HTR2B in impulsivity.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3183507/" 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/PMC3183507/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bevilacqua, Laura -- Doly, Stephane -- Kaprio, Jaakko -- Yuan, Qiaoping -- Tikkanen, Roope -- Paunio, Tiina -- Zhou, Zhifeng -- Wedenoja, Juho -- Maroteaux, Luc -- Diaz, Silvina -- Belmer, Arnaud -- Hodgkinson, Colin A -- Dell'osso, Liliana -- Suvisaari, Jaana -- Coccaro, Emil -- Rose, Richard J -- Peltonen, Leena -- Virkkunen, Matti -- Goldman, David -- AA-09203/AA/NIAAA NIH HHS/ -- AA-12502/AA/NIAAA NIH HHS/ -- Z01 AA000301-09/Intramural NIH HHS/ -- Z01 AA000301-10/Intramural NIH HHS/ -- Z99 AA999999/Intramural NIH HHS/ -- England -- Nature. 2010 Dec 23;468(7327):1061-6. doi: 10.1038/nature09629.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratory of Neurogenetics, National Institute on Alcohol Abuse and Alcoholism, NIH, Rockville, Maryland 20852, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21179162" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Brain/metabolism ; Case-Control Studies ; Cell Line ; Female ; Finland ; Founder Effect ; Gene Expression Regulation ; Gene Knockout Techniques ; Genotype ; Humans ; Impulsive Behavior/*genetics ; Male ; Mental Disorders/genetics ; Mice ; Mice, 129 Strain ; Mice, Knockout ; Pedigree ; Polymorphism, Single Nucleotide/genetics ; Receptor, Serotonin, 5-HT2B/*genetics/*metabolism ; Testosterone/blood/cerebrospinal fluid
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    Bone progenitor dysfunction induces myelodysplasia and secondary leukaemia (2010)
    Nature Publishing Group (NPG)
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    Publication Date: 2010-03-23
    Description: Mesenchymal cells contribute to the 'stroma' of most normal and malignant tissues, with specific mesenchymal cells participating in the regulatory niches of stem cells. By examining how mesenchymal osteolineage cells modulate haematopoiesis, here we show that deletion of Dicer1 specifically in mouse osteoprogenitors, but not in mature osteoblasts, disrupts the integrity of haematopoiesis. Myelodysplasia resulted and acute myelogenous leukaemia emerged that had acquired several genetic abnormalities while having intact Dicer1. Examining gene expression altered in osteoprogenitors as a result of Dicer1 deletion showed reduced expression of Sbds, the gene mutated in Schwachman-Bodian-Diamond syndrome-a human bone marrow failure and leukaemia pre-disposition condition. Deletion of Sbds in mouse osteoprogenitors induced bone marrow dysfunction with myelodysplasia. Therefore, perturbation of specific mesenchymal subsets of stromal cells can disorder differentiation, proliferation and apoptosis of heterologous cells, and disrupt tissue homeostasis. Furthermore, primary stromal dysfunction can result in secondary neoplastic disease, supporting the concept of niche-induced oncogenesis.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3422863/" 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/PMC3422863/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Raaijmakers, Marc H G P -- Mukherjee, Siddhartha -- Guo, Shangqin -- Zhang, Siyi -- Kobayashi, Tatsuya -- Schoonmaker, Jesse A -- Ebert, Benjamin L -- Al-Shahrour, Fatima -- Hasserjian, Robert P -- Scadden, Edward O -- Aung, Zinmar -- Matza, Marc -- Merkenschlager, Matthias -- Lin, Charles -- Rommens, Johanna M -- Scadden, David T -- MC_U120027516/Medical Research Council/United Kingdom -- R01 DK050234/DK/NIDDK NIH HHS/ -- R01 HL044851/HL/NHLBI NIH HHS/ -- R01 HL097794/HL/NHLBI NIH HHS/ -- U01 HL100402/HL/NHLBI NIH HHS/ -- U54 HL081030/HL/NHLBI NIH HHS/ -- England -- Nature. 2010 Apr 8;464(7290):852-7. doi: 10.1038/nature08851. Epub 2010 Mar 21.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Center for Regenerative Medicine, Massachusetts General Hospital and Harvard Medical School CPZN, USA. hraaijmakers@partners.org〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20305640" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Bone Marrow/metabolism/pathology ; Bone and Bones/metabolism/*pathology ; Cell Differentiation ; Cell Lineage ; Female ; Gene Deletion ; Hematopoiesis/genetics ; Leukemia, Myeloid, Acute/genetics/metabolism/*pathology ; Male ; Mesoderm/cytology ; Mice ; Myelodysplastic Syndromes/genetics/metabolism/*pathology ; Osteoblasts/metabolism/pathology ; Phenotype ; Proteins/genetics/metabolism ; Ribonuclease III/deficiency/genetics/metabolism ; Sarcoma, Myeloid/genetics/metabolism/pathology ; Stem Cell Niche/metabolism/pathology ; Stem Cells/metabolism/*pathology ; Stromal Cells/metabolism/pathology
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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    The evolution of eusociality (2010)
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    Publication Date: 2010-08-27
    Description: Eusociality, in which some individuals reduce their own lifetime reproductive potential to raise the offspring of others, underlies the most advanced forms of social organization and the ecologically dominant role of social insects and humans. For the past four decades kin selection theory, based on the concept of inclusive fitness, has been the major theoretical attempt to explain the evolution of eusociality. Here we show the limitations of this approach. We argue that standard natural selection theory in the context of precise models of population structure represents a simpler and superior approach, allows the evaluation of multiple competing hypotheses, and provides an exact framework for interpreting empirical observations.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3279739/" 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/PMC3279739/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Nowak, Martin A -- Tarnita, Corina E -- Wilson, Edward O -- R01 GM078986/GM/NIGMS NIH HHS/ -- R01 GM078986-04/GM/NIGMS NIH HHS/ -- R01GM078986/GM/NIGMS NIH HHS/ -- England -- Nature. 2010 Aug 26;466(7310):1057-62. doi: 10.1038/nature09205.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Program for Evolutionary Dynamics, Department of Mathematics, Harvard University, Cambridge, Massachusetts 02138, USA. martin_nowak@harvard.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20740005" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Behavior, Animal/*physiology ; *Biological Evolution ; Female ; Humans ; Insects/physiology ; Male ; Models, Biological ; Selection, Genetic ; *Social Behavior
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    A redox switch in angiotensinogen modulates angiotensin release (2010)
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    Publication Date: 2010-10-12
    Description: Blood pressure is critically controlled by angiotensins, which are vasopressor peptides specifically released by the enzyme renin from the tail of angiotensinogen-a non-inhibitory member of the serpin family of protease inhibitors. Although angiotensinogen has long been regarded as a passive substrate, the crystal structures solved here to 2.1 A resolution show that the angiotensin cleavage site is inaccessibly buried in its amino-terminal tail. The conformational rearrangement that makes this site accessible for proteolysis is revealed in our 4.4 A structure of the complex of human angiotensinogen with renin. The co-ordinated changes involved are seen to be critically linked by a conserved but labile disulphide bridge. Here we show that the reduced unbridged form of angiotensinogen is present in the circulation in a near 40:60 ratio with the oxidized sulphydryl-bridged form, which preferentially interacts with receptor-bound renin. We propose that this redox-responsive transition of angiotensinogen to a form that will more effectively release angiotensin at a cellular level contributes to the modulation of blood pressure. Specifically, we demonstrate the oxidative switch of angiotensinogen to its more active sulphydryl-bridged form in the maternal circulation in pre-eclampsia-the hypertensive crisis of pregnancy that threatens the health and survival of both mother and child.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3024006/" 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/PMC3024006/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Zhou, Aiwu -- Carrell, Robin W -- Murphy, Michael P -- Wei, Zhenquan -- Yan, Yahui -- Stanley, Peter L D -- Stein, Penelope E -- Broughton Pipkin, Fiona -- Read, Randy J -- 082961/Wellcome Trust/United Kingdom -- BS/05/002/18361/British Heart Foundation/United Kingdom -- MC_U105663142/Medical Research Council/United Kingdom -- PG/08/041/24818/British Heart Foundation/United Kingdom -- PG/09/072/27945/British Heart Foundation/United Kingdom -- British Heart Foundation/United Kingdom -- Medical Research Council/United Kingdom -- Wellcome Trust/United Kingdom -- England -- Nature. 2010 Nov 4;468(7320):108-11. doi: 10.1038/nature09505. Epub 2010 Oct 6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Haematology, Cambridge Institute for Medical Research, University of Cambridge, Hills Road, Cambridge CB2 0XY, UK. awz20@cam.ac.uk〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20927107" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Angiotensinogen/blood/*chemistry/*metabolism ; Angiotensins/chemistry/*metabolism/secretion ; Blood Pressure ; Crystallography, X-Ray ; Disulfides/chemistry/metabolism ; Female ; Humans ; Kinetics ; Models, Molecular ; Molecular Sequence Data ; Oxidation-Reduction ; Oxidative Stress ; Pre-Eclampsia/blood/metabolism ; Pregnancy ; Protein Conformation ; *Protein Processing, Post-Translational ; Renin/chemistry/metabolism
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    CD95 promotes tumour growth (2010)
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    Publication Date: 2010-05-28
    Description: CD95 (also called Fas and APO-1) is a prototypical death receptor that regulates tissue homeostasis mainly in the immune system through the induction of apoptosis. During cancer progression CD95 is frequently downregulated or cells are rendered apoptosis resistant, raising the possibility that loss of CD95 is part of a mechanism for tumour evasion. However, complete loss of CD95 is rarely seen in human cancers and many cancer cells express large quantities of CD95 and are highly sensitive to CD95-mediated apoptosis in vitro. Furthermore, cancer patients frequently have elevated levels of the physiological ligand for CD95, CD95L. These data raise the possibility that CD95 could actually promote the growth of tumours through its non-apoptotic activities. Here we show that cancer cells in general, regardless of their CD95 apoptosis sensitivity, depend on constitutive activity of CD95, stimulated by cancer-produced CD95L, for optimal growth. Consistently, loss of CD95 in mouse models of ovarian cancer and liver cancer reduces cancer incidence as well as the size of the tumours. The tumorigenic activity of CD95 is mediated by a pathway involving JNK and Jun. These results demonstrate that CD95 has a growth-promoting role during tumorigenesis and indicate that efforts to inhibit its activity rather than to enhance it should be considered during cancer therapy.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2879093/" 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/PMC2879093/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Chen, Lina -- Park, Sun-Mi -- Tumanov, Alexei V -- Hau, Annika -- Sawada, Kenjiro -- Feig, Christine -- Turner, Jerrold R -- Fu, Yang-Xin -- Romero, Iris L -- Lengyel, Ernst -- Peter, Marcus E -- CA112240/CA/NCI NIH HHS/ -- K12 HD000849/HD/NICHD NIH HHS/ -- L30 CA153336/CA/NCI NIH HHS/ -- R01 CA095319/CA/NCI NIH HHS/ -- R01 CA11182/CA/NCI NIH HHS/ -- R01 CA112240/CA/NCI NIH HHS/ -- R01 CA112240-01A1/CA/NCI NIH HHS/ -- R01 CA112240-02/CA/NCI NIH HHS/ -- R01 CA112240-03/CA/NCI NIH HHS/ -- R01 CA112240-04/CA/NCI NIH HHS/ -- R01 CA112240-05/CA/NCI NIH HHS/ -- England -- Nature. 2010 May 27;465(7297):492-6. doi: 10.1038/nature09075.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉The Ben May Department for Cancer Research, The University of Chicago, 924 E 57th Street, Chicago, Illinois 60637, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20505730" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antigens, CD95/deficiency/genetics/*metabolism ; Apoptosis ; Carcinoma, Endometrioid/metabolism/pathology ; Cell Line, Tumor ; Cell Proliferation ; Fas Ligand Protein/antagonists & inhibitors/immunology/metabolism ; Female ; Gene Expression Regulation, Neoplastic ; Hepatocytes/enzymology/metabolism/pathology ; Humans ; Liver Neoplasms/enzymology/metabolism/pathology ; Male ; Mice ; Mitogen-Activated Protein Kinase 8/deficiency/genetics/metabolism ; Neoplasms/*metabolism/*pathology ; Ovarian Neoplasms/metabolism/pathology
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    Migrastatin analogues target fascin to block tumour metastasis (2010)
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    Publication Date: 2010-04-16
    Description: Tumour metastasis is the primary cause of death of cancer patients. Development of new therapeutics preventing tumour metastasis is urgently needed. Migrastatin is a natural product secreted by Streptomyces, and synthesized migrastatin analogues such as macroketone are potent inhibitors of metastatic tumour cell migration, invasion and metastasis. Here we show that these migrastatin analogues target the actin-bundling protein fascin to inhibit its activity. X-ray crystal structural studies reveal that migrastatin analogues bind to one of the actin-binding sites on fascin. Our data demonstrate that actin cytoskeletal proteins such as fascin can be explored as new molecular targets for cancer treatment, in a similar manner to the microtubule protein tubulin.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2857318/" 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/PMC2857318/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Chen, Lin -- Yang, Shengyu -- Jakoncic, Jean -- Zhang, J Jillian -- Huang, Xin-Yun -- CA136837/CA/NCI NIH HHS/ -- R01 CA136837/CA/NCI NIH HHS/ -- R01 CA136837-01A1/CA/NCI NIH HHS/ -- England -- Nature. 2010 Apr 15;464(7291):1062-6. doi: 10.1038/nature08978.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Physiology, Cornell University Weill Medical College, New York, New York 10065, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20393565" target="_blank"〉PubMed〈/a〉
    Keywords: Actins/metabolism ; Animals ; Antineoplastic Agents/chemistry/metabolism/pharmacology/therapeutic use ; Binding Sites/drug effects ; Breast Neoplasms/drug therapy/pathology ; Carrier Proteins/*antagonists & inhibitors/chemistry/genetics/metabolism ; Cell Line, Tumor ; Cell Movement/drug effects ; Crystallography, X-Ray ; Drug Resistance, Neoplasm/genetics ; Female ; Humans ; Lung Neoplasms/prevention & control/secondary ; Macrolides/*chemistry/metabolism/*pharmacology/therapeutic use ; Mice ; Mice, Inbred BALB C ; Mice, Inbred NOD ; Mice, SCID ; Microfilament Proteins/*antagonists & inhibitors/chemistry/genetics/metabolism ; Models, Molecular ; Mutation/genetics ; Neoplasm Invasiveness/pathology/prevention & control ; Neoplasm Metastasis/drug therapy/pathology/*prevention & control ; Piperidones/*chemistry/metabolism/*pharmacology/therapeutic use ; Protein Conformation
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    Altruism researchers must cooperate (2010)
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    Publication Date: 2010-10-12
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Okasha, Samir -- England -- Nature. 2010 Oct 7;467(7316):653-5. doi: 10.1038/467653a.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Philosophy, University of Bristol, Bristol BS8 1TB, UK. Samir.Okasha@bristol.ac.uk〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20930821" target="_blank"〉PubMed〈/a〉
    Keywords: *Altruism ; Animals ; Biological Evolution ; *Cooperative Behavior ; Female ; Group Processes ; Male ; Models, Biological ; *Research Personnel ; Selection, Genetic ; Social Behavior
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    Sex determination: An avian sexual revolution (2010)
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    Publication Date: 2010-03-12
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Barske, Lindsey A -- Capel, Blanche -- England -- Nature. 2010 Mar 11;464(7286):171-2. doi: 10.1038/464171a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20220830" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Birds/genetics/*physiology ; Chick Embryo ; Chickens ; Female ; Genotype ; Humans ; Male ; Mice ; Mosaicism ; Phenotype ; Sex Characteristics ; Sex Chromosomes/genetics ; *Sex Determination Processes
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    Blindsight depends on the lateral geniculate nucleus (2010)
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    Publication Date: 2010-06-25
    Description: Injury to the primary visual cortex (V1) leads to the loss of visual experience. Nonetheless, careful testing shows that certain visually guided behaviours can persist even in the absence of visual awareness. The neural circuits supporting this phenomenon, which is often termed blindsight, remain uncertain. Here we demonstrate that the thalamic lateral geniculate nucleus (LGN) has a causal role in V1-independent processing of visual information. By comparing functional magnetic resonance imaging (fMRI) and behavioural measures with and without temporary LGN inactivation, we assessed the contribution of the LGN to visual functions of macaque monkeys (Macaca mulatta) with chronic V1 lesions. Before LGN inactivation, high-contrast stimuli presented to the lesion-affected visual field (scotoma) produced significant V1-independent fMRI activation in the extrastriate cortical areas V2, V3, V4, V5/middle temporal (MT), fundus of the superior temporal sulcus (FST) and lateral intraparietal area (LIP) and the animals correctly located the stimuli in a detection task. However, following reversible inactivation of the LGN in the V1-lesioned hemisphere, fMRI responses and behavioural detection were abolished. These results demonstrate that direct LGN projections to the extrastriate cortex have a critical functional contribution to blindsight. They suggest a viable pathway to mediate fast detection during normal vision.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2904843/" 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/PMC2904843/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Schmid, Michael C -- Mrowka, Sylwia W -- Turchi, Janita -- Saunders, Richard C -- Wilke, Melanie -- Peters, Andrew J -- Ye, Frank Q -- Leopold, David A -- Z01 MH002838-05/Intramural NIH HHS/ -- England -- Nature. 2010 Jul 15;466(7304):373-7. doi: 10.1038/nature09179. Epub 2010 Jun 23.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratory of Neuropsychology, National Institute of Mental Health (NIMH), 49 Convent Drive, Bethesda, Maryland 20892, USA. schmidmicha@gmail.com〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20574422" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Female ; Geniculate Bodies/*physiology/physiopathology ; Macaca mulatta/*physiology ; Male ; Models, Neurological ; Photic Stimulation ; Visual Cortex/physiology/physiopathology ; Visual Pathways/*physiology/physiopathology ; Visual Perception/*physiology
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    Animal behaviour: An ill wind for finches (2010)
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    Publication Date: 2010-02-19
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lincoln, Tim -- England -- Nature. 2010 Feb 18;463(7283):888. doi: 10.1038/463888a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20164914" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Bird Diseases/*epidemiology/microbiology/transmission ; Cues ; Feeding Behavior/*physiology ; Female ; Finches/*physiology ; Male ; Mycoplasma Infections/epidemiology/microbiology/transmission/*veterinary ; *Mycoplasma gallisepticum/pathogenicity ; Sex Factors
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    Multiple personal genomes await (2010)
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    Publication Date: 2010-04-03
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Venter, J Craig -- England -- Nature. 2010 Apr 1;464(7289):676-7. doi: 10.1038/464676a.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉J. Craig Venter Institute, La Jolla, California 92121, USA. jcventer@jcvi.org〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20360717" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Continental Population Groups/genetics ; Diploidy ; Female ; Genetic Predisposition to Disease/genetics ; Genetic Variation/genetics ; Genetics, Medical/*trends ; Genome, Human/*genetics ; Genomics/economics/history/*trends ; Haploidy ; Haplotypes/genetics ; History, 20th Century ; History, 21st Century ; Human Genome Project/economics/history ; Humans ; Male ; Phenotype ; Precision Medicine/*trends ; Sequence Analysis, DNA/economics/history/instrumentation/methods
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    In vivo imaging of haematopoietic cells emerging from the mouse aortic endothelium (2010)
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    Publication Date: 2010-02-16
    Description: Haematopoietic stem cells (HSCs), responsible for blood production in the adult mouse, are first detected in the dorsal aorta starting at embryonic day 10.5 (E10.5). Immunohistological analysis of fixed embryo sections has revealed the presence of haematopoietic cell clusters attached to the aortic endothelium where HSCs might localize. The origin of HSCs has long been controversial and several candidates of the direct HSC precursors have been proposed (for review see ref. 7), including a specialized endothelial cell population with a haemogenic potential. Such cells have been described both in vitro in the embryonic stem cell (ESC) culture system and retrospectively in vivo by endothelial lineage tracing and conditional deletion experiments. Whether the transition from haemogenic endothelium to HSC actually occurs in the mouse embryonic aorta is still unclear and requires direct and real-time in vivo observation. To address this issue we used time-lapse confocal imaging and a new dissection procedure to visualize the deeply located aorta. Here we show the dynamic de novo emergence of phenotypically defined HSCs (Sca1(+), c-kit(+), CD41(+)) directly from ventral aortic haemogenic endothelial cells.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Boisset, Jean-Charles -- van Cappellen, Wiggert -- Andrieu-Soler, Charlotte -- Galjart, Niels -- Dzierzak, Elaine -- Robin, Catherine -- R37 DKO54077/PHS HHS/ -- England -- Nature. 2010 Mar 4;464(7285):116-20. doi: 10.1038/nature08764. Epub 2010 Feb 14.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Erasmus Medical Center, Department of Cell Biology, CA Rotterdam, The Netherlands.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20154729" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Aorta/*cytology/embryology/surgery ; *Cell Differentiation ; *Cell Lineage ; Core Binding Factor Alpha 2 Subunit/deficiency/genetics/metabolism ; Dissection ; Embryo, Mammalian/cytology ; Endothelial Cells/cytology ; Endothelium, Vascular/*cytology/embryology ; Female ; Hematopoietic Stem Cells/*cytology ; Male ; Mice ; Microscopy, Confocal ; Phenotype ; Pregnancy
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    Coupled dynamics of body mass and population growth in response to environmental change (2010)
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    Publication Date: 2010-07-24
    Description: Environmental change has altered the phenology, morphological traits and population dynamics of many species. However, the links underlying these joint responses remain largely unknown owing to a paucity of long-term data and the lack of an appropriate analytical framework. Here we investigate the link between phenotypic and demographic responses to environmental change using a new methodology and a long-term (1976-2008) data set from a hibernating mammal (the yellow-bellied marmot) inhabiting a dynamic subalpine habitat. We demonstrate how earlier emergence from hibernation and earlier weaning of young has led to a longer growing season and larger body masses before hibernation. The resulting shift in both the phenotype and the relationship between phenotype and fitness components led to a decline in adult mortality, which in turn triggered an abrupt increase in population size in recent years. Direct and trait-mediated effects of environmental change made comparable contributions to the observed marked increase in population growth. Our results help explain how a shift in phenology can cause simultaneous phenotypic and demographic changes, and highlight the need for a theory integrating ecological and evolutionary dynamics in stochastic environments.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ozgul, Arpat -- Childs, Dylan Z -- Oli, Madan K -- Armitage, Kenneth B -- Blumstein, Daniel T -- Olson, Lucretia E -- Tuljapurkar, Shripad -- Coulson, Tim -- P01 AG022500/AG/NIA NIH HHS/ -- Wellcome Trust/United Kingdom -- England -- Nature. 2010 Jul 22;466(7305):482-5. doi: 10.1038/nature09210.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Life Sciences, Imperial College London, Ascot, Berkshire SL5 7PY, UK. a.ozgul@imperial.ac.uk〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20651690" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Biological Evolution ; Body Weight/*physiology ; Colorado ; Female ; *Global Warming ; Hibernation/*physiology ; Marmota/*anatomy & histology/growth & development/*physiology ; Phenotype ; Population Dynamics ; Reproduction/physiology ; Survival Rate ; Time Factors ; Weaning
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    Gender agenda: sex bias can be justified in animal research (2010)
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    Publication Date: 2010-07-03
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bolon, Brad -- England -- Nature. 2010 Jul 1;466(7302):28. doi: 10.1038/466028d.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20595991" target="_blank"〉PubMed〈/a〉
    Keywords: Animal Experimentation/standards ; Animals ; Animals, Laboratory ; *Bias (Epidemiology) ; Clinical Trials as Topic ; Editorial Policies ; Female ; Humans ; Male ; *Models, Animal ; *Research Design ; *Sex Characteristics
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    Climate-driven population divergence in sex-determining systems (2010)
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    Publication Date: 2010-10-29
    Description: Sex determination is a fundamental biological process, yet its mechanisms are remarkably diverse. In vertebrates, sex can be determined by inherited genetic factors or by the temperature experienced during embryonic development. However, the evolutionary causes of this diversity remain unknown. Here we show that live-bearing lizards at different climatic extremes of the species' distribution differ in their sex-determining mechanisms, with temperature-dependent sex determination in lowlands and genotypic sex determination in highlands. A theoretical model parameterized with field data accurately predicts this divergence in sex-determining systems and the consequence thereof for variation in cohort sex ratios among years. Furthermore, we show that divergent natural selection on sex determination across altitudes is caused by climatic effects on lizard life history and variation in the magnitude of between-year temperature fluctuations. Our results establish an adaptive explanation for intra-specific divergence in sex-determining systems driven by phenotypic plasticity and ecological selection, thereby providing a unifying framework for integrating the developmental, ecological and evolutionary basis for variation in vertebrate sex determination.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pen, Ido -- Uller, Tobias -- Feldmeyer, Barbara -- Harts, Anna -- While, Geoffrey M -- Wapstra, Erik -- England -- Nature. 2010 Nov 18;468(7322):436-8. doi: 10.1038/nature09512. Epub 2010 Oct 27.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Theoretical Biology Group, University of Groningen, PO Box 14, 9750 AA Haren, the Netherlands. i.r.pen@rug.nl〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20981009" target="_blank"〉PubMed〈/a〉
    Keywords: Altitude ; Animals ; Biological Evolution ; *Climate ; Female ; Genotype ; Lizards/*genetics/*physiology ; Male ; Models, Biological ; Phenotype ; Selection, Genetic ; Sex Chromosomes ; *Sex Determination Processes/genetics/physiology ; *Sex Differentiation/genetics/physiology ; Sex Ratio ; *Temperature ; Time Factors ; Viviparity, Nonmammalian/physiology
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    Physiology: The bones of contention (2010)
    Nature Publishing Group (NPG)
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    Publication Date: 2010-08-21
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Katsnelson, Alla -- England -- Nature. 2010 Aug 19;466(7309):914-5. doi: 10.1038/466914a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20725014" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Bone Remodeling ; Bone and Bones/*physiology ; Diabetes Mellitus/metabolism/therapy ; *Energy Metabolism ; Female ; Glucose/*metabolism ; Humans ; Insulin/metabolism/secretion ; Islets of Langerhans/secretion ; Leptin/deficiency/genetics/metabolism ; Mice ; Obesity/metabolism ; Osteocalcin/blood/deficiency/genetics/metabolism ; Osteoporosis/metabolism ; Receptor, Insulin/deficiency/genetics/metabolism
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    Neuroscience: A mine of imprinted genes (2010)
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    Publication Date: 2010-08-13
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Keverne, Eric B -- England -- Nature. 2010 Aug 12;466(7308):823-4. doi: 10.1038/466823a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20703293" target="_blank"〉PubMed〈/a〉
    Keywords: *Alleles ; Animals ; Bias (Epidemiology) ; Brain/cytology/*metabolism ; Fathers ; Female ; Genomic Imprinting/*genetics ; Male ; Mice ; Models, Genetic ; Mothers ; X Chromosome/genetics
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    Strange lesions after stem-cell therapy (2010)
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    Publication Date: 2010-06-26
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cyranoski, David -- England -- Nature. 2010 Jun 24;465(7301):997. doi: 10.1038/465997a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20577182" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Child ; Fatal Outcome ; Female ; *Hematopoietic Stem Cell Transplantation/adverse effects ; Humans ; Lupus Nephritis/*complications/*therapy ; Male ; Thailand
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    What will get sick from the slick? (2010)
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    Publication Date: 2010-07-03
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Gaskill, Melissa -- England -- Nature. 2010 Jul 1;466(7302):14-5. doi: 10.1038/466014a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20595980" target="_blank"〉PubMed〈/a〉
    Keywords: Animal Identification Systems/utilization ; Animal Migration ; Animals ; *Disasters ; *Ecosystem ; Female ; Food Chain ; Larva/drug effects/growth & development ; Marine Biology ; Mexico ; Oceans and Seas ; Petroleum/analysis/*poisoning/*toxicity ; Seawater/*chemistry ; Sharks/physiology ; Survival Rate ; Tuna/physiology ; Turtles/physiology ; Whales/physiology
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    Toxicology: The big test for bisphenol A (2010)
    Nature Publishing Group (NPG)
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    Publication Date: 2010-04-24
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Borrell, Brendan -- England -- Nature. 2010 Apr 22;464(7292):1122-4. doi: 10.1038/4641122a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20414285" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Benzhydryl Compounds ; Chemical Industry/methods/standards ; Endocrine Disruptors/adverse effects/toxicity ; Estrogens, Non-Steroidal/adverse effects/toxicity ; Female ; Guidelines as Topic ; Humans ; Infant ; Male ; Mice ; National Institute of Environmental Health Sciences (U.S.) ; Neoplasms/chemically induced/etiology ; Phenols/adverse effects/*toxicity ; Rats ; Toxicity Tests/methods/standards ; Toxicology/economics/*methods/*standards ; United States ; United States Environmental Protection Agency ; Validation Studies as Topic
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    Sex bias in trials and treatment must end (2010)
    Nature Publishing Group (NPG)
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    Publication Date: 2010-06-11
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kim, Alison M -- Tingen, Candace M -- Woodruff, Teresa K -- England -- Nature. 2010 Jun 10;465(7299):688-9. doi: 10.1038/465688a.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Obstetrics and Gynecology, Feinberg School of Medicine, Northwestern University, Chicago, Illinois 60611, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20535184" target="_blank"〉PubMed〈/a〉
    Keywords: Bias (Epidemiology) ; Biomedical Research/methods/*trends ; Clinical Trials as Topic/methods/*trends ; Drug Dosage Calculations ; Female ; Genomic Imprinting ; Humans ; Male ; Precision Medicine/trends ; *Sex Characteristics ; Sex Distribution ; Sex Factors
    Print ISSN: 0028-0836
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    Role of conserved non-coding DNA elements in the Foxp3 gene in regulatory T-cell fate (2010)
    Nature Publishing Group (NPG)
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    Publication Date: 2010-01-15
    Description: Immune homeostasis is dependent on tight control over the size of a population of regulatory T (T(reg)) cells capable of suppressing over-exuberant immune responses. The T(reg) cell subset is comprised of cells that commit to the T(reg) lineage by upregulating the transcription factor Foxp3 either in the thymus (tT(reg)) or in the periphery (iT(reg)). Considering a central role for Foxp3 in T(reg) cell differentiation and function, we proposed that conserved non-coding DNA sequence (CNS) elements at the Foxp3 locus encode information defining the size, composition and stability of the T(reg) cell population. Here we describe the function of three Foxp3 CNS elements (CNS1-3) in T(reg) cell fate determination in mice. The pioneer element CNS3, which acts to potently increase the frequency of T(reg) cells generated in the thymus and the periphery, binds c-Rel in in vitro assays. In contrast, CNS1, which contains a TGF-beta-NFAT response element, is superfluous for tT(reg) cell differentiation, but has a prominent role in iT(reg) cell generation in gut-associated lymphoid tissues. CNS2, although dispensable for Foxp3 induction, is required for Foxp3 expression in the progeny of dividing T(reg) cells. Foxp3 binds to CNS2 in a Cbf-beta-Runx1 and CpG DNA demethylation-dependent manner, suggesting that Foxp3 recruitment to this 'cellular memory module' facilitates the heritable maintenance of the active state of the Foxp3 locus and, therefore, T(reg) lineage stability. Together, our studies demonstrate that the composition, size and maintenance of the T(reg) cell population are controlled by Foxp3 CNS elements engaged in response to distinct cell-extrinsic or -intrinsic cues.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2884187/" 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/PMC2884187/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Zheng, Ye -- Josefowicz, Steven -- Chaudhry, Ashutosh -- Peng, Xiao P -- Forbush, Katherine -- Rudensky, Alexander Y -- R37 AI034206/AI/NIAID NIH HHS/ -- Howard Hughes Medical Institute/ -- England -- Nature. 2010 Feb 11;463(7282):808-12. doi: 10.1038/nature08750. Epub 2010 Jan 13.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Howard Hughes Medical Institute and Department of Immunology, University of Washington, Seattle, Washington 98195, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20072126" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Differentiation ; Cell Lineage/*genetics ; Chromatin Assembly and Disassembly ; Conserved Sequence/*genetics ; CpG Islands/genetics ; DNA Methylation ; Female ; Forkhead Transcription Factors/*genetics/metabolism ; Gene Expression Regulation ; Lymphocyte Count ; Male ; Mice ; Mice, Inbred C57BL ; Proto-Oncogene Proteins c-rel/metabolism ; Regulatory Sequences, Nucleic Acid/*genetics ; Response Elements/genetics ; T-Lymphocytes, Regulatory/*cytology/immunology/*metabolism ; Thymus Gland/cytology/immunology/metabolism
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    Science in court: head case (2010)
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    Publication Date: 2010-03-20
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hughes, Virginia -- England -- Nature. 2010 Mar 18;464(7287):340-2. doi: 10.1038/464340a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20237536" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Antisocial Personality Disorder/physiopathology/psychology ; Child ; Female ; Forensic Sciences/ethics/*methods/trends ; Homicide/*legislation & jurisprudence/*psychology ; Humans ; Insanity Defense ; Magnetic Resonance Imaging/standards/*utilization ; Male ; *Neurosciences ; Positron-Emission Tomography/utilization ; Rape/legislation & jurisprudence/psychology ; Reproducibility of Results
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    DNMT1 maintains progenitor function in self-renewing somatic tissue (2010)
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    Publication Date: 2010-01-19
    Description: Progenitor cells maintain self-renewing tissues throughout life by sustaining their capacity for proliferation while suppressing cell cycle exit and terminal differentiation. DNA methylation provides a potential epigenetic mechanism for the cellular memory needed to preserve the somatic progenitor state through repeated cell divisions. DNA methyltransferase 1 (DNMT1) maintains DNA methylation patterns after cellular replication. Although dispensable for embryonic stem cell maintenance, the role for DNMT1 in maintaining the progenitor state in constantly replenished somatic tissues, such as mammalian epidermis, is unclear. Here we show that DNMT1 is essential for epidermal progenitor cell function. DNMT1 protein was found enriched in undifferentiated cells, where it was required to retain proliferative stamina and suppress differentiation. In tissue, DNMT1 depletion led to exit from the progenitor cell compartment, premature differentiation and eventual tissue loss. Genome-wide analysis showed that a significant portion of epidermal differentiation gene promoters were methylated in self-renewing conditions but were subsequently demethylated during differentiation. Furthermore, UHRF1 (refs 9, 10), a component of the DNA methylation machinery that targets DNMT1 to hemi-methylated DNA, is also necessary to suppress premature differentiation and sustain proliferation. In contrast, Gadd45A and B, which promote active DNA demethylation, are required for full epidermal differentiation gene induction. These data demonstrate that proteins involved in the dynamic regulation of DNA methylation patterns are required for progenitor maintenance and self-renewal in mammalian somatic tissue.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3050546/" 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/PMC3050546/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sen, George L -- Reuter, Jason A -- Webster, Daniel E -- Zhu, Lilly -- Khavari, Paul A -- AR055849/AR/NIAMS NIH HHS/ -- AR45192/AR/NIAMS NIH HHS/ -- F32 AR055849/AR/NIAMS NIH HHS/ -- F32 AR055849-02/AR/NIAMS NIH HHS/ -- K01 AR057828/AR/NIAMS NIH HHS/ -- R01 AR045192/AR/NIAMS NIH HHS/ -- R01 AR045192-11A2/AR/NIAMS NIH HHS/ -- R01 AR049737/AR/NIAMS NIH HHS/ -- R01 AR049737-05/AR/NIAMS NIH HHS/ -- T32 CA009302/CA/NCI NIH HHS/ -- England -- Nature. 2010 Jan 28;463(7280):563-7. doi: 10.1038/nature08683. Epub 2010 Jan 17.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Programs in Epithelial Biology and Cancer Biology and the Stanford Institute for Stem Cell Biology and Regenerative Medicine, Stanford University, Stanford, California 94305, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20081831" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Cell Differentiation ; Cell Proliferation ; Cells, Cultured ; DNA Methylation ; Down-Regulation ; Epidermis/*cytology/*metabolism ; Female ; Gene Silencing ; Humans ; Mice ; Mice, SCID ; Repressor Proteins/deficiency/genetics/*metabolism ; Stem Cells/*cytology/*metabolism
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    Genome, epigenome and RNA sequences of monozygotic twins discordant for multiple sclerosis (2010)
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    Publication Date: 2010-04-30
    Description: Monozygotic or 'identical' twins have been widely studied to dissect the relative contributions of genetics and environment in human diseases. In multiple sclerosis (MS), an autoimmune demyelinating disease and common cause of neurodegeneration and disability in young adults, disease discordance in monozygotic twins has been interpreted to indicate environmental importance in its pathogenesis. However, genetic and epigenetic differences between monozygotic twins have been described, challenging the accepted experimental model in disambiguating the effects of nature and nurture. Here we report the genome sequences of one MS-discordant monozygotic twin pair, and messenger RNA transcriptome and epigenome sequences of CD4(+) lymphocytes from three MS-discordant, monozygotic twin pairs. No reproducible differences were detected between co-twins among approximately 3.6 million single nucleotide polymorphisms (SNPs) or approximately 0.2 million insertion-deletion polymorphisms. Nor were any reproducible differences observed between siblings of the three twin pairs in HLA haplotypes, confirmed MS-susceptibility SNPs, copy number variations, mRNA and genomic SNP and insertion-deletion genotypes, or the expression of approximately 19,000 genes in CD4(+) T cells. Only 2 to 176 differences in the methylation of approximately 2 million CpG dinucleotides were detected between siblings of the three twin pairs, in contrast to approximately 800 methylation differences between T cells of unrelated individuals and several thousand differences between tissues or between normal and cancerous tissues. In the first systematic effort to estimate sequence variation among monozygotic co-twins, we did not find evidence for genetic, epigenetic or transcriptome differences that explained disease discordance. These are the first, to our knowledge, female, twin and autoimmune disease individual genome sequences reported.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2862593/" 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/PMC2862593/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Baranzini, Sergio E -- Mudge, Joann -- van Velkinburgh, Jennifer C -- Khankhanian, Pouya -- Khrebtukova, Irina -- Miller, Neil A -- Zhang, Lu -- Farmer, Andrew D -- Bell, Callum J -- Kim, Ryan W -- May, Gregory D -- Woodward, Jimmy E -- Caillier, Stacy J -- McElroy, Joseph P -- Gomez, Refujia -- Pando, Marcelo J -- Clendenen, Leonda E -- Ganusova, Elena E -- Schilkey, Faye D -- Ramaraj, Thiruvarangan -- Khan, Omar A -- Huntley, Jim J -- Luo, Shujun -- Kwok, Pui-Yan -- Wu, Thomas D -- Schroth, Gary P -- Oksenberg, Jorge R -- Hauser, Stephen L -- Kingsmore, Stephen F -- P20 RR016480/RR/NCRR NIH HHS/ -- P20 RR016480-09/RR/NCRR NIH HHS/ -- R01 NS026799/NS/NINDS NIH HHS/ -- R01 NS026799-20A1/NS/NINDS NIH HHS/ -- R01 NS046297/NS/NINDS NIH HHS/ -- R01 NS046297-06/NS/NINDS NIH HHS/ -- R01NS26799/NS/NINDS NIH HHS/ -- R01NS46297/NS/NINDS NIH HHS/ -- RR016480/RR/NCRR NIH HHS/ -- U01 AI066569/AI/NIAID NIH HHS/ -- U01 AI066569-05/AI/NIAID NIH HHS/ -- U19 HD077693/HD/NICHD NIH HHS/ -- England -- Nature. 2010 Apr 29;464(7293):1351-6. doi: 10.1038/nature08990.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Neurology, University of California at San Francisco, San Francisco, California 94143, USA. sebaran@cgl.ucsf.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20428171" target="_blank"〉PubMed〈/a〉
    Keywords: Adolescent ; Adult ; Allelic Imbalance/genetics ; Breast/metabolism ; Breast Neoplasms/genetics ; CD4-Positive T-Lymphocytes/metabolism ; Case-Control Studies ; CpG Islands/genetics ; DNA Copy Number Variations/genetics ; DNA Methylation/genetics ; Epigenesis, Genetic/*genetics ; Female ; Genetic Predisposition to Disease/genetics ; Genome, Human/*genetics ; Haplotypes/genetics ; Heterozygote ; Humans ; INDEL Mutation/genetics ; Lung/metabolism ; Lung Neoplasms/genetics ; Male ; Multiple Sclerosis/*genetics ; Polymorphism, Genetic/genetics ; Quantitative Trait Loci/genetics ; RNA, Messenger/analysis/*genetics/metabolism ; Twins, Monozygotic/*genetics
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    Selective inhibition of BET bromodomains (2010)
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    Publication Date: 2010-09-28
    Description: Epigenetic proteins are intently pursued targets in ligand discovery. So far, successful efforts have been limited to chromatin modifying enzymes, or so-called epigenetic 'writers' and 'erasers'. Potent inhibitors of histone binding modules have not yet been described. Here we report a cell-permeable small molecule (JQ1) that binds competitively to acetyl-lysine recognition motifs, or bromodomains. High potency and specificity towards a subset of human bromodomains is explained by co-crystal structures with bromodomain and extra-terminal (BET) family member BRD4, revealing excellent shape complementarity with the acetyl-lysine binding cavity. Recurrent translocation of BRD4 is observed in a genetically-defined, incurable subtype of human squamous carcinoma. Competitive binding by JQ1 displaces the BRD4 fusion oncoprotein from chromatin, prompting squamous differentiation and specific antiproliferative effects in BRD4-dependent cell lines and patient-derived xenograft models. These data establish proof-of-concept for targeting protein-protein interactions of epigenetic 'readers', and provide a versatile chemical scaffold for the development of chemical probes more broadly throughout the bromodomain family.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3010259/" 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/PMC3010259/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Filippakopoulos, Panagis -- Qi, Jun -- Picaud, Sarah -- Shen, Yao -- Smith, William B -- Fedorov, Oleg -- Morse, Elizabeth M -- Keates, Tracey -- Hickman, Tyler T -- Felletar, Ildiko -- Philpott, Martin -- Munro, Shonagh -- McKeown, Michael R -- Wang, Yuchuan -- Christie, Amanda L -- West, Nathan -- Cameron, Michael J -- Schwartz, Brian -- Heightman, Tom D -- La Thangue, Nicholas -- French, Christopher A -- Wiest, Olaf -- Kung, Andrew L -- Knapp, Stefan -- Bradner, James E -- 13058/Cancer Research UK/United Kingdom -- G0500905/Medical Research Council/United Kingdom -- G1000807/Medical Research Council/United Kingdom -- G9400953/Medical Research Council/United Kingdom -- K08 CA128972/CA/NCI NIH HHS/ -- K08 CA128972-03/CA/NCI NIH HHS/ -- T32-075762/PHS HHS/ -- Canadian Institutes of Health Research/Canada -- Wellcome Trust/United Kingdom -- England -- Nature. 2010 Dec 23;468(7327):1067-73. doi: 10.1038/nature09504. Epub 2010 Sep 24.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Clinical Medicine, Structural Genomics Consortium, University of Oxford, Old Road Campus, Roosevelt Drive, Oxford OX3 7DQ, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20871596" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Azirines/chemical synthesis/chemistry/*pharmacology ; Binding Sites ; Carcinoma, Squamous Cell/physiopathology ; Cell Differentiation/drug effects ; Cell Line, Tumor ; Cell Proliferation/drug effects ; Chromatin/metabolism ; Dihydropyridines/chemical synthesis/chemistry/*pharmacology ; Female ; Humans ; Mice ; Mice, Nude ; *Models, Molecular ; Molecular Sequence Data ; Nuclear Proteins/*antagonists & inhibitors/*metabolism ; Protein Binding/drug effects ; Protein Structure, Tertiary ; Recombinant Proteins/metabolism ; Sequence Alignment ; Skin Neoplasms/physiopathology ; Stereoisomerism ; Transcription Factors/*antagonists & inhibitors/*metabolism
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    Convergent evolution of chicken Z and human X chromosomes by expansion and gene acquisition (2010)
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    Details
    Publication Date: 2010-07-14
    Description: In birds, as in mammals, one pair of chromosomes differs between the sexes. In birds, males are ZZ and females ZW. In mammals, males are XY and females XX. Like the mammalian XY pair, the avian ZW pair is believed to have evolved from autosomes, with most change occurring in the chromosomes found in only one sex--the W and Y chromosomes. By contrast, the sex chromosomes found in both sexes--the Z and X chromosomes--are assumed to have diverged little from their autosomal progenitors. Here we report findings that challenge this assumption for both the chicken Z chromosome and the human X chromosome. The chicken Z chromosome, which we sequenced essentially to completion, is less gene-dense than chicken autosomes but contains a massive tandem array containing hundreds of duplicated genes expressed in testes. A comprehensive comparison of the chicken Z chromosome with the finished sequence of the human X chromosome demonstrates that each evolved independently from different portions of the ancestral genome. Despite this independence, the chicken Z and human X chromosomes share features that distinguish them from autosomes: the acquisition and amplification of testis-expressed genes, and a low gene density resulting from an expansion of intergenic regions. These features were not present on the autosomes from which the Z and X chromosomes originated but were instead acquired during the evolution of Z and X as sex chromosomes. We conclude that the avian Z and mammalian X chromosomes followed convergent evolutionary trajectories, despite their evolving with opposite (female versus male) systems of heterogamety. More broadly, in birds and mammals, sex chromosome evolution involved not only gene loss in sex-specific chromosomes, but also marked expansion and gene acquisition in sex chromosomes common to males and females.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2943333/" 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/PMC2943333/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bellott, Daniel W -- Skaletsky, Helen -- Pyntikova, Tatyana -- Mardis, Elaine R -- Graves, Tina -- Kremitzki, Colin -- Brown, Laura G -- Rozen, Steve -- Warren, Wesley C -- Wilson, Richard K -- Page, David C -- R01 HG000257/HG/NHGRI NIH HHS/ -- R01 HG000257-21/HG/NHGRI NIH HHS/ -- Howard Hughes Medical Institute/ -- England -- Nature. 2010 Jul 29;466(7306):612-6. doi: 10.1038/nature09172. Epub 2010 Jul 11.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biology, Massachusetts Institute of Technology, 9 Cambridge Center, Cambridge, Massachusetts 02142, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20622855" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Chickens/*genetics ; Chromosomes, Human, X/*genetics ; *Evolution, Molecular ; Female ; Gene Deletion ; Genes/*genetics ; Genome/genetics ; Humans ; Male ; Multigene Family/genetics ; Sex Characteristics ; Sex Chromosomes/*genetics ; Testis/metabolism
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    Learning from the elite (2010)
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    Publication Date: 2010-07-16
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Trivedi, Bijal -- England -- Nature. 2010 Jul 15;466(7304):S4. doi: 10.1038/nature09235.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20631703" target="_blank"〉PubMed〈/a〉
    Keywords: Acquired Immunodeficiency Syndrome/genetics/*immunology/prevention & ; control/virology ; Alleles ; *Disease Progression ; Female ; Genetic Predisposition to Disease/genetics ; Genome-Wide Association Study ; HIV/genetics/immunology ; HIV Infections/genetics/*immunology/prevention & control/virology ; *HIV Long-Term Survivors/statistics & numerical data ; HLA-B Antigens/genetics/immunology ; Humans ; Immunity, Innate/genetics/*immunology ; Major Histocompatibility Complex/genetics ; Male ; Polymorphism, Single Nucleotide/genetics ; RNA, Viral/blood
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    Putting gender on the agenda (2010)
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    Publication Date: 2010-06-11
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉England -- Nature. 2010 Jun 10;465(7299):665. doi: 10.1038/465665a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20535156" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Bias (Epidemiology) ; Biomedical Research/*methods/*trends ; Clinical Trials as Topic/*methods/*trends ; Evidence-Based Medicine/methods/trends ; Female ; Humans ; Male ; Precision Medicine/methods/trends ; Pregnancy ; *Sex Characteristics ; Sex Factors
    Print ISSN: 0028-0836
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    Chagas disease: pushing through the pipeline (2010)
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    Publication Date: 2010-06-24
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Clayton, Julie -- England -- Nature. 2010 Jun 24;465(7301):S12-5. doi: 10.1038/nature09224.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20571548" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Animals ; Chagas Disease/complications/diagnosis/*drug therapy/parasitology ; Child ; Chronic Disease ; Clinical Trials as Topic ; Drug Evaluation, Preclinical/*trends ; Female ; Humans ; Infant, Newborn ; Lupus Erythematosus, Systemic/complications/drug therapy/immunology ; Molecular Targeted Therapy/trends ; Nitroimidazoles/therapeutic use ; Triazoles/pharmacology/therapeutic use ; *Trypanocidal Agents/economics/pharmacology/therapeutic use ; Trypanosoma cruzi/drug effects/enzymology/genetics/metabolism ; Young Adult
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    Evolutionary biology: pregnant fathers in charge (2010)
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    Publication Date: 2010-03-20
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Berglund, Anders -- England -- Nature. 2010 Mar 18;464(7287):364-5. doi: 10.1038/464364a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20237558" target="_blank"〉PubMed〈/a〉
    Keywords: Abortion, Eugenic/veterinary ; Animals ; *Biological Evolution ; Body Size/physiology ; *Conflict (Psychology) ; Embryo, Nonmammalian/embryology/physiology ; Embryonic Development/*physiology ; Female ; Male ; Mating Preference, Animal/*physiology ; Paternal Behavior ; Selection, Genetic ; *Sex ; Sex Characteristics ; Smegmamorpha/anatomy & histology/embryology/*physiology ; Survival Rate
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    Pregnant women deserve better (2010)
    Nature Publishing Group (NPG)
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    Publication Date: 2010-06-11
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Baylis, Francoise -- England -- Nature. 2010 Jun 10;465(7299):689-90. doi: 10.1038/465689a.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Bioethics, Dalhousie University, Halifax, Nova Scotia B3H 3P7, Canada. francoise.baylis@dal.ca〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20535185" target="_blank"〉PubMed〈/a〉
    Keywords: Bias (Epidemiology) ; Clinical Trials as Topic/ethics/*methods ; Evidence-Based Medicine/ethics/trends ; Female ; Humans ; Pregnancy ; *Sex Characteristics ; Sex Distribution ; Sex Factors ; Uncertainty
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    Staphylococcus epidermidis Esp inhibits Staphylococcus aureus biofilm formation and nasal colonization (2010)
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    Publication Date: 2010-05-21
    Description: Commensal bacteria are known to inhibit pathogen colonization; however, complex host-microbe and microbe-microbe interactions have made it difficult to gain a detailed understanding of the mechanisms involved in the inhibition of colonization. Here we show that the serine protease Esp secreted by a subset of Staphylococcus epidermidis, a commensal bacterium, inhibits biofilm formation and nasal colonization by Staphylococcus aureus, a human pathogen. Epidemiological studies have demonstrated that the presence of Esp-secreting S. epidermidis in the nasal cavities of human volunteers correlates with the absence of S. aureus. Purified Esp inhibits biofilm formation and destroys pre-existing S. aureus biofilms. Furthermore, Esp enhances the susceptibility of S. aureus in biofilms to immune system components. In vivo studies have shown that Esp-secreting S. epidermidis eliminates S. aureus nasal colonization. These findings indicate that Esp hinders S. aureus colonization in vivo through a novel mechanism of bacterial interference, which could lead to the development of novel therapeutics to prevent S. aureus colonization and infection.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Iwase, Tadayuki -- Uehara, Yoshio -- Shinji, Hitomi -- Tajima, Akiko -- Seo, Hiromi -- Takada, Koji -- Agata, Toshihiko -- Mizunoe, Yoshimitsu -- England -- Nature. 2010 May 20;465(7296):346-9. doi: 10.1038/nature09074.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Bacteriology, The Jikei University School of Medicine, Tokyo, 105-8461 Japan. iwase.tadayuki@jikei.ac.jp〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20485435" target="_blank"〉PubMed〈/a〉
    Keywords: Bacterial Proteins/chemistry/isolation & purification/*metabolism/pharmacology ; Biofilms/*growth & development ; Female ; Humans ; Male ; Nose/*microbiology ; Odds Ratio ; Serine Proteases/chemistry/deficiency/isolation & purification/*metabolism ; Staphylococcal Infections/microbiology/prevention & control/therapy ; Staphylococcus aureus/*growth & development/immunology ; Staphylococcus epidermidis/*enzymology/genetics/*physiology ; Superinfection/immunology/microbiology/prevention & control/therapy ; Young Adult ; beta-Defensins/immunology/pharmacology
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    Korean deaths spark inquiry (2010)
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    Publication Date: 2010-11-26
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cyranoski, David -- England -- Nature. 2010 Nov 25;468(7323):485. doi: 10.1038/468485a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21107396" target="_blank"〉PubMed〈/a〉
    Keywords: Female ; Humans ; Male ; *Medical Tourism/economics/ethics/legislation & jurisprudence ; Republic of Korea ; Stem Cell Transplantation/*ethics/*legislation & jurisprudence/mortality ; *Travel
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    Production of p53 gene knockout rats by homologous recombination in embryonic stem cells (2010)
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    Publication Date: 2010-08-13
    Description: The use of homologous recombination to modify genes in embryonic stem (ES) cells provides a powerful means to elucidate gene function and create disease models. Application of this technology to engineer genes in rats has not previously been possible because of the absence of germline-competent ES cells in this species. We have recently established authentic rat ES cells. Here we report the generation of gene knockout rats using the ES-cell-based gene targeting technology. We designed a targeting vector to disrupt the tumour suppressor gene p53 (also known as Tp53) in rat ES cells by means of homologous recombination. p53 gene-targeted rat ES cells can be routinely generated. Furthermore, the p53 gene-targeted mutation in the rat ES-cell genome can transmit through the germ line via ES-cell rat chimaeras to create p53 gene knockout rats. The rat is the most widely used animal model in biological research. The establishment of gene targeting technology in rat ES cells, in combination with advances in genomics and the vast amount of research data on physiology and pharmacology in this species, now provide a powerful new platform for the study of human disease.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2937076/" 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/PMC2937076/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Tong, Chang -- Li, Ping -- Wu, Nancy L -- Yan, Youzhen -- Ying, Qi-Long -- 1R01 RR025881/RR/NCRR NIH HHS/ -- R01 OD010926/OD/NIH HHS/ -- R01 RR025881/RR/NCRR NIH HHS/ -- R01 RR025881-01A2/RR/NCRR NIH HHS/ -- England -- Nature. 2010 Sep 9;467(7312):211-3. doi: 10.1038/nature09368. Epub 2010 Aug 11.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Eli and Edythe Broad Center for Regenerative Medicine and Stem Cell Research at USC, Department of Cell and Neurobiology, Keck School of Medicine, University of Southern California, Los Angeles, California 90033, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20703227" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Base Sequence ; Cell Culture Techniques ; Embryo, Mammalian/cytology ; Embryonic Stem Cells/*cytology ; Female ; Gene Knockout Techniques/*methods ; *Genes, p53 ; Germ-Line Mutation ; Male ; Mice ; Molecular Sequence Data ; Rats/*genetics ; Rats, Inbred F344 ; Rats, Sprague-Dawley ; Recombination, Genetic
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    ON and OFF pathways in Drosophila motion vision (2010)
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    Publication Date: 2010-11-12
    Description: Motion vision is a major function of all visual systems, yet the underlying neural mechanisms and circuits are still elusive. In the lamina, the first optic neuropile of Drosophila melanogaster, photoreceptor signals split into five parallel pathways, L1-L5. Here we examine how these pathways contribute to visual motion detection by combining genetic block and reconstitution of neural activity in different lamina cell types with whole-cell recordings from downstream motion-sensitive neurons. We find reduced responses to moving gratings if L1 or L2 is blocked; however, reconstitution of photoreceptor input to only L1 or L2 results in wild-type responses. Thus, the first experiment indicates the necessity of both pathways, whereas the second indicates sufficiency of each single pathway. This contradiction can be explained by electrical coupling between L1 and L2, allowing for activation of both pathways even when only one of them receives photoreceptor input. A fundamental difference between the L1 pathway and the L2 pathway is uncovered when blocking L1 or L2 output while presenting moving edges of positive (ON) or negative (OFF) contrast polarity: blocking L1 eliminates the response to moving ON edges, whereas blocking L2 eliminates the response to moving OFF edges. Thus, similar to the segregation of photoreceptor signals in ON and OFF bipolar cell pathways in the vertebrate retina, photoreceptor signals segregate into ON-L1 and OFF-L2 channels in the lamina of Drosophila.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Joesch, Maximilian -- Schnell, Bettina -- Raghu, Shamprasad Varija -- Reiff, Dierk F -- Borst, Alexander -- England -- Nature. 2010 Nov 11;468(7321):300-4. doi: 10.1038/nature09545.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉MPI for Neurobiology, Department of Systems and Computational Neurobiology, Am Klopferspitz 18, 82152 Martinsried, Germany.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21068841" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Calcium Signaling/radiation effects ; Drosophila melanogaster/cytology/metabolism/*physiology/radiation effects ; Female ; Gap Junctions/metabolism/radiation effects ; Light ; Models, Neurological ; *Motion ; Motion Perception/*physiology/radiation effects ; Optic Lobe, Nonmammalian/cytology/physiology/radiation effects ; Photoreceptor Cells, Invertebrate/metabolism/radiation effects ; Vision, Ocular/*physiology/radiation effects ; Visual Pathways/cytology/*physiology/radiation effects
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    Maternal Rnf12/RLIM is required for imprinted X-chromosome inactivation in mice (2010)
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    Publication Date: 2010-10-22
    Description: Two forms of X-chromosome inactivation (XCI) ensure the selective silencing of female sex chromosomes during mouse embryogenesis. Imprinted XCI begins with the detection of Xist RNA expression on the paternal X chromosome (Xp) at about the four-cell stage of embryonic development. In the embryonic tissues of the inner cell mass, a random form of XCI occurs in blastocysts that inactivates either Xp or the maternal X chromosome (Xm). Both forms of XCI require the non-coding Xist RNA that coats the inactive X chromosome from which it is expressed. Xist has crucial functions in the silencing of X-linked genes, including Rnf12 (refs 3, 4) encoding the ubiquitin ligase RLIM (RING finger LIM-domain-interacting protein). Here we show, by targeting a conditional knockout of Rnf12 to oocytes where RLIM accumulates to high levels, that the maternal transmission of the mutant X chromosome (Deltam) leads to lethality in female embryos as a result of defective imprinted XCI. We provide evidence that in Deltam female embryos the initial formation of Xist clouds and Xp silencing are inhibited. In contrast, embryonic stem cells lacking RLIM are able to form Xist clouds and silence at least some X-linked genes during random XCI. These results assign crucial functions to the maternal deposit of Rnf12/RLIM for the initiation of imprinted XCI.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2967734/" 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/PMC2967734/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Shin, Jongdae -- Bossenz, Michael -- Chung, Young -- Ma, Hong -- Byron, Meg -- Taniguchi-Ishigaki, Naoko -- Zhu, Xiaochun -- Jiao, Baowei -- Hall, Lisa L -- Green, Michael R -- Jones, Stephen N -- Hermans-Borgmeyer, Irm -- Lawrence, Jeanne B -- Bach, Ingolf -- 5 P30 DK32520/DK/NIDDK NIH HHS/ -- DK32520/DK/NIDDK NIH HHS/ -- GM053234/GM/NIGMS NIH HHS/ -- R01 CA131158/CA/NCI NIH HHS/ -- R01 CA131158-04/CA/NCI NIH HHS/ -- R01 GM033977/GM/NIGMS NIH HHS/ -- R01 GM053234/GM/NIGMS NIH HHS/ -- R01CA131158/CA/NCI NIH HHS/ -- Howard Hughes Medical Institute/ -- England -- Nature. 2010 Oct 21;467(7318):977-81. doi: 10.1038/nature09457.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Program in Gene Function and Expression, University of Massachusetts Medical School (UMMS), Worcester, Massachusetts 01605, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20962847" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Animals, Congenic ; Blastocyst/metabolism ; Cell Line ; Chromosomes, Mammalian/*genetics ; Embryo Loss/genetics ; Fathers ; Female ; Gene Silencing ; *Genomic Imprinting ; Male ; Mice ; Mice, Transgenic ; *Mothers ; RNA, Long Noncoding ; RNA, Untranslated/genetics ; Repressor Proteins/deficiency/genetics/*metabolism ; Ubiquitin-Protein Ligases ; X Chromosome/*genetics ; X Chromosome Inactivation/*genetics
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    Haematopoietic stem cells derive directly from aortic endothelium during development (2010)
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    Publication Date: 2010-02-16
    Description: A major goal of regenerative medicine is to instruct formation of multipotent, tissue-specific stem cells from induced pluripotent stem cells (iPSCs) for cell replacement therapies. Generation of haematopoietic stem cells (HSCs) from iPSCs or embryonic stem cells (ESCs) is not currently possible, however, necessitating a better understanding of how HSCs normally arise during embryonic development. We previously showed that haematopoiesis occurs through four distinct waves during zebrafish development, with HSCs arising in the final wave in close association with the dorsal aorta. Recent reports have suggested that murine HSCs derive from haemogenic endothelial cells (ECs) lining the aortic floor. Additional in vitro studies have similarly indicated that the haematopoietic progeny of ESCs arise through intermediates with endothelial potential. Here we have used the unique strengths of the zebrafish embryo to image directly the generation of HSCs from the ventral wall of the dorsal aorta. Using combinations of fluorescent reporter transgenes, confocal time-lapse microscopy and flow cytometry, we have identified and isolated the stepwise intermediates as aortic haemogenic endothelium transitions to nascent HSCs. Finally, using a permanent lineage tracing strategy, we demonstrate that the HSCs generated from haemogenic endothelium are the lineal founders of the adult haematopoietic system.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2858358/" 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/PMC2858358/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bertrand, Julien Y -- Chi, Neil C -- Santoso, Buyung -- Teng, Shutian -- Stainier, Didier Y R -- Traver, David -- DK074482/DK/NIDDK NIH HHS/ -- F32DK752433/DK/NIDDK NIH HHS/ -- HL074891/HL/NHLBI NIH HHS/ -- HL54737/HL/NHLBI NIH HHS/ -- R01 DK074482/DK/NIDDK NIH HHS/ -- R01 DK074482-04/DK/NIDDK NIH HHS/ -- England -- Nature. 2010 Mar 4;464(7285):108-11. doi: 10.1038/nature08738. Epub 2010 Feb 14.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Cellular and Molecular Medicine, University of California, San Diego, La Jolla, California 92093-0380, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20154733" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Animals, Genetically Modified ; Aorta/*cytology/*embryology ; *Cell Differentiation ; *Cell Lineage ; Cell Separation ; Endothelial Cells/cytology ; Endothelium, Vascular/*cytology/embryology ; Female ; Flow Cytometry ; Genes, Reporter/genetics ; Hematopoietic Stem Cells/*cytology ; Male ; Microscopy, Confocal ; Microscopy, Fluorescence ; Transgenes/genetics ; Zebrafish/blood/*embryology
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    Twin study surveys genome for cause of multiple sclerosis (2010)
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    Publication Date: 2010-04-30
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Katsnelson, Alla -- England -- Nature. 2010 Apr 29;464(7293):1259. doi: 10.1038/4641259a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20428135" target="_blank"〉PubMed〈/a〉
    Keywords: Diseases in Twins/*genetics ; *Environment ; Epigenesis, Genetic/genetics ; Female ; Genetic Predisposition to Disease/genetics ; Genome, Human/*genetics ; Humans ; Multiple Sclerosis/*etiology/*genetics ; Sequence Analysis, DNA ; *Twin Studies as Topic
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    Metabolic disorders: Fathers' nutritional legacy (2010)
    Nature Publishing Group (NPG)
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    Publication Date: 2010-10-22
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Skinner, Michael K -- England -- Nature. 2010 Oct 21;467(7318):922-3. doi: 10.1038/467922a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20962833" target="_blank"〉PubMed〈/a〉
    Keywords: Adiposity/drug effects ; Animals ; Body Weight/drug effects ; DNA Methylation ; Diabetes Mellitus, Type 2/etiology/genetics/pathology/physiopathology ; Diet/*adverse effects ; Dietary Fats/*administration & dosage/*adverse effects ; Epigenesis, Genetic/drug effects ; *Fathers ; Female ; Gene Expression Profiling ; Glucose Intolerance/etiology/pathology/physiopathology ; Insulin/secretion ; Insulin-Secreting Cells/metabolism/*pathology/secretion ; Male ; Obesity/etiology/genetics/pathology/physiopathology ; Paternal Exposure/*adverse effects ; Rats ; Spermatozoa/drug effects/metabolism
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    Promiscuity and the evolutionary transition to complex societies (2010)
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    Publication Date: 2010-08-21
    Description: Theory predicts that the evolution of cooperative behaviour is favoured by low levels of promiscuity leading to high within-group relatedness. However, in vertebrates, cooperation often occurs between non-relatives and promiscuity rates are among the highest recorded. Here we resolve this apparent inconsistency with a phylogenetic analysis of 267 bird species, demonstrating that cooperative breeding is associated with low promiscuity; that in cooperative species, helping is more common when promiscuity is low; and that intermediate levels of promiscuity favour kin discrimination. Overall, these results suggest that promiscuity is a unifying feature across taxa in explaining transitions to and from cooperative societies.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cornwallis, Charlie K -- West, Stuart A -- Davis, Katie E -- Griffin, Ashleigh S -- England -- Nature. 2010 Aug 19;466(7309):969-72. doi: 10.1038/nature09335.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Edward Grey Institute, Department of Zoology, University of Oxford, South Parks Road, Oxford OX1 3PS, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20725039" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biological Evolution ; Birds/classification/genetics/*physiology ; *Cooperative Behavior ; Fathers ; Female ; Male ; Models, Biological ; Mothers ; Phylogeny ; Reproduction/genetics/physiology ; Sexual Behavior, Animal/*physiology ; *Siblings
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    Rekindling the gender-bias debate (2010)
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    Publication Date: 2010-01-29
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kaplan, Karen -- England -- Nature. 2009 Dec 17;462(7275):947.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20108406" target="_blank"〉PubMed〈/a〉
    Keywords: *Aptitude ; Biomedical Research/manpower ; Engineering/*manpower ; Female ; Femininity ; Humans ; Male ; Masculinity ; Mathematics/*manpower ; Models, Psychological ; Motivation ; *Prejudice ; Science/*manpower ; *Sex Characteristics ; Sex Factors ; Workload
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    Allelic variation in a fatty-acyl reductase gene causes divergence in moth sex pheromones (2010)
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    Publication Date: 2010-07-02
    Description: Pheromone-based behaviours are crucial in animals from insects to mammals, and reproductive isolation is often based on pheromone differences. However, the genetic mechanisms by which pheromone signals change during the evolution of new species are largely unknown. In the sexual communication system of moths (Insecta: Lepidoptera), females emit a species-specific pheromone blend that attracts males over long distances. The European corn borer, Ostrinia nubilalis, consists of two sex pheromone races, Z and E, that use different ratios of the cis and trans isomers of acetate pheromone components. This subtle difference leads to strong reproductive isolation in the field between the two races, which could represent a first step in speciation. Female sex pheromone production and male behavioural response are under the control of different major genes, but the identity of these genes is unknown. Here we show that allelic variation in a fatty-acyl reductase gene essential for pheromone biosynthesis accounts for the phenotypic variation in female pheromone production, leading to race-specific signals. Both the cis and trans isomers of the pheromone precursors are produced by both races, but the precursors are differentially reduced to yield opposite ratios in the final pheromone blend as a result of the substrate specificity of the enzymes encoded by the Z and E alleles. This is the first functional characterization of a gene contributing to intraspecific behavioural reproductive isolation in moths, highlighting the importance of evolutionary diversification in a lepidopteran-specific family of reductases. Accumulation of substitutions in the coding region of a single biosynthetic enzyme can produce pheromone differences resulting in reproductive isolation, with speciation as a potential end result.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lassance, Jean-Marc -- Groot, Astrid T -- Lienard, Marjorie A -- Antony, Binu -- Borgwardt, Christin -- Andersson, Fredrik -- Hedenstrom, Erik -- Heckel, David G -- Lofstedt, Christer -- England -- Nature. 2010 Jul 22;466(7305):486-9. doi: 10.1038/nature09058. Epub 2010 Jun 30.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biology, Lund University, 22362 Lund, Sweden.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20592730" target="_blank"〉PubMed〈/a〉
    Keywords: *Alleles ; Animals ; Female ; Isomerism ; Male ; Molecular Sequence Data ; Moths/classification/enzymology/genetics/*physiology ; Oxidoreductases/*genetics/*metabolism ; Phylogeny ; RNA/analysis/genetics/metabolism ; Sex Attractants/biosynthesis/chemistry/*metabolism ; Substrate Specificity
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    Genetic dissection of an amygdala microcircuit that gates conditioned fear (2010)
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    Publication Date: 2010-11-12
    Description: The role of different amygdala nuclei (neuroanatomical subdivisions) in processing Pavlovian conditioned fear has been studied extensively, but the function of the heterogeneous neuronal subtypes within these nuclei remains poorly understood. Here we use molecular genetic approaches to map the functional connectivity of a subpopulation of GABA-containing neurons, located in the lateral subdivision of the central amygdala (CEl), which express protein kinase C-delta (PKC-delta). Channelrhodopsin-2-assisted circuit mapping in amygdala slices and cell-specific viral tracing indicate that PKC-delta(+) neurons inhibit output neurons in the medial central amygdala (CEm), and also make reciprocal inhibitory synapses with PKC-delta(-) neurons in CEl. Electrical silencing of PKC-delta(+) neurons in vivo suggests that they correspond to physiologically identified units that are inhibited by the conditioned stimulus, called CEl(off) units. This correspondence, together with behavioural data, defines an inhibitory microcircuit in CEl that gates CEm output to control the level of conditioned freezing.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3597095/" 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/PMC3597095/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Haubensak, Wulf -- Kunwar, Prabhat S -- Cai, Haijiang -- Ciocchi, Stephane -- Wall, Nicholas R -- Ponnusamy, Ravikumar -- Biag, Jonathan -- Dong, Hong-Wei -- Deisseroth, Karl -- Callaway, Edward M -- Fanselow, Michael S -- Luthi, Andreas -- Anderson, David J -- 1 R01 MH085082-01A1/MH/NIMH NIH HHS/ -- R01 MH063912/MH/NIMH NIH HHS/ -- R01 MH063912-09/MH/NIMH NIH HHS/ -- R01 MH063912-09S1/MH/NIMH NIH HHS/ -- R01 MH063912-10/MH/NIMH NIH HHS/ -- R01 MH085082/MH/NIMH NIH HHS/ -- R01 MH085082-01A1/MH/NIMH NIH HHS/ -- RC2 NS069464/NS/NINDS NIH HHS/ -- RC2 NS069464-01/NS/NINDS NIH HHS/ -- RC2 NS069464-02/NS/NINDS NIH HHS/ -- Howard Hughes Medical Institute/ -- England -- Nature. 2010 Nov 11;468(7321):270-6. doi: 10.1038/nature09553.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Division of Biology 216-76, California Institute of Technology, Pasadena, California 91125, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21068836" target="_blank"〉PubMed〈/a〉
    Keywords: Amygdala/anatomy & histology/cytology/enzymology/*physiology ; Animals ; Axonal Transport ; Cells, Cultured ; Conditioning, Classical/*physiology ; Fear/*physiology ; Female ; Freezing Reaction, Cataleptic ; Genetic Techniques ; Humans ; Male ; Mice ; Mice, Transgenic ; Neural Inhibition/*physiology ; Neural Pathways/cytology/enzymology/*physiology ; Neurons/enzymology/metabolism ; Protein Kinase C-delta/deficiency/genetics/metabolism ; Synapses/metabolism ; gamma-Aminobutyric Acid/metabolism
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    Epigenetics: Tales of adversity (2010)
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    Publication Date: 2010-12-24
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ahmed, Farooq -- England -- Nature. 2010 Dec 23;468(7327):S20. doi: 10.1038/468S20a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21179081" target="_blank"〉PubMed〈/a〉
    Keywords: *Epigenomics ; Female ; Fetal Nutrition Disorders ; Humans ; *Maternal Nutritional Physiological Phenomena ; Obesity ; Pregnancy ; *Prenatal Exposure Delayed Effects ; Starvation
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    Neuroscience: the most vulnerable brains (2010)
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    Publication Date: 2010-01-16
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hayden, Erika Check -- England -- Nature. 2010 Jan 14;463(7278):154-6. doi: 10.1038/463154a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20075895" target="_blank"〉PubMed〈/a〉
    Keywords: Brain Diseases/*congenital/prevention & control/therapy ; Cerebral Palsy/congenital/prevention & control ; Female ; Humans ; Hypothermia, Induced ; Infant, Newborn ; Infant, Newborn, Diseases/*prevention & control/*therapy ; Infant, Premature/*physiology ; Intensive Care Units, Neonatal ; Intensive Care, Neonatal ; Neurosciences/trends ; Nurseries, Hospital ; Stroke/congenital/prevention & control
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    NLRP3 inflammasomes are required for atherogenesis and activated by cholesterol crystals (2010)
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    Publication Date: 2010-04-30
    Description: The inflammatory nature of atherosclerosis is well established but the agent(s) that incite inflammation in the artery wall remain largely unknown. Germ-free animals are susceptible to atherosclerosis, suggesting that endogenous substances initiate the inflammation. Mature atherosclerotic lesions contain macroscopic deposits of cholesterol crystals in the necrotic core, but their appearance late in atherogenesis had been thought to disqualify them as primary inflammatory stimuli. However, using a new microscopic technique, we revealed that minute cholesterol crystals are present in early diet-induced atherosclerotic lesions and that their appearance in mice coincides with the first appearance of inflammatory cells. Other crystalline substances can induce inflammation by stimulating the caspase-1-activating NLRP3 (NALP3 or cryopyrin) inflammasome, which results in cleavage and secretion of interleukin (IL)-1 family cytokines. Here we show that cholesterol crystals activate the NLRP3 inflammasome in phagocytes in vitro in a process that involves phagolysosomal damage. Similarly, when injected intraperitoneally, cholesterol crystals induce acute inflammation, which is impaired in mice deficient in components of the NLRP3 inflammasome, cathepsin B, cathepsin L or IL-1 molecules. Moreover, when mice deficient in low-density lipoprotein receptor (LDLR) were bone-marrow transplanted with NLRP3-deficient, ASC (also known as PYCARD)-deficient or IL-1alpha/beta-deficient bone marrow and fed on a high-cholesterol diet, they had markedly decreased early atherosclerosis and inflammasome-dependent IL-18 levels. Minimally modified LDL can lead to cholesterol crystallization concomitant with NLRP3 inflammasome priming and activation in macrophages. Although there is the possibility that oxidized LDL activates the NLRP3 inflammasome in vivo, our results demonstrate that crystalline cholesterol acts as an endogenous danger signal and its deposition in arteries or elsewhere is an early cause rather than a late consequence of inflammation. These findings provide new insights into the pathogenesis of atherosclerosis and indicate new potential molecular targets for the therapy of this disease.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2946640/" 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/PMC2946640/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Duewell, Peter -- Kono, Hajime -- Rayner, Katey J -- Sirois, Cherilyn M -- Vladimer, Gregory -- Bauernfeind, Franz G -- Abela, George S -- Franchi, Luigi -- Nunez, Gabriel -- Schnurr, Max -- Espevik, Terje -- Lien, Egil -- Fitzgerald, Katherine A -- Rock, Kenneth L -- Moore, Kathryn J -- Wright, Samuel D -- Hornung, Veit -- Latz, Eicke -- R01 AI075318/AI/NIAID NIH HHS/ -- R01 AI083713/AI/NIAID NIH HHS/ -- R01 AI083713-01/AI/NIAID NIH HHS/ -- R01 HL093262/HL/NHLBI NIH HHS/ -- R01 HL093262-01A1/HL/NHLBI NIH HHS/ -- England -- Nature. 2010 Apr 29;464(7293):1357-61. doi: 10.1038/nature08938.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Infectious Diseases and Immunology, University of Massachusetts Medical School, Worcester, Massachusetts 01605, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20428172" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Apoptosis Regulatory Proteins ; Atherosclerosis/chemically induced/*metabolism/*pathology ; Bone Marrow Transplantation ; Carrier Proteins/genetics/*metabolism ; Cathepsin B/metabolism ; Cathepsin L/metabolism ; Cholesterol/*chemistry/*metabolism/pharmacology ; Crystallization ; Cytoskeletal Proteins/deficiency ; Diet, Atherogenic ; Female ; Humans ; Inflammation/chemically induced/metabolism/pathology ; Interleukin-1/deficiency ; Interleukin-18/metabolism ; Lysosomes/drug effects/pathology ; Mice ; Mice, Inbred C57BL ; Peritoneal Cavity/pathology ; Phagocytes/drug effects/pathology/physiology ; Receptors, LDL/deficiency ; Time Factors
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    Maternal mRNA deadenylation and decay by the piRNA pathway in the early Drosophila embryo (2010)
    Nature Publishing Group (NPG)
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    Publication Date: 2010-10-19
    Description: Piwi-associated RNAs (piRNAs), a specific class of 24- to 30-nucleotide-long RNAs produced by the Piwi-type of Argonaute proteins, have a specific germline function in repressing transposable elements. This repression is thought to involve heterochromatin formation and transcriptional and post-transcriptional silencing. The piRNA pathway has other essential functions in germline stem cell maintenance and in maintaining germline DNA integrity. Here we uncover an unexpected function of the piRNA pathway in the decay of maternal messenger RNAs and in translational repression in the early embryo. A subset of maternal mRNAs is degraded in the embryo at the maternal-to-zygotic transition. In Drosophila, maternal mRNA degradation depends on the RNA-binding protein Smaug and the deadenylase CCR4, as well as the zygotic expression of a microRNA cluster. Using mRNA encoding the embryonic posterior morphogen Nanos (Nos) as a paradigm to study maternal mRNA decay, we found that CCR4-mediated deadenylation of nos depends on components of the piRNA pathway including piRNAs complementary to a specific region in the nos 3' untranslated region. Reduced deadenylation when piRNA-induced regulation is impaired correlates with nos mRNA stabilization and translational derepression in the embryo, resulting in head development defects. Aubergine, one of the Argonaute proteins in the piRNA pathway, is present in a complex with Smaug, CCR4, nos mRNA and piRNAs that target the nos 3' untranslated region, in the bulk of the embryo. We propose that piRNAs and their associated proteins act together with Smaug to recruit the CCR4 deadenylation complex to specific mRNAs, thus promoting their decay. Because the piRNAs involved in this regulation are produced from transposable elements, this identifies a direct developmental function for transposable elements in the regulation of gene expression.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4505748/" 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/PMC4505748/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Rouget, Christel -- Papin, Catherine -- Boureux, Anthony -- Meunier, Anne-Cecile -- Franco, Benedicte -- Robine, Nicolas -- Lai, Eric C -- Pelisson, Alain -- Simonelig, Martine -- R01 GM083300/GM/NIGMS NIH HHS/ -- R01-GM083300/GM/NIGMS NIH HHS/ -- England -- Nature. 2010 Oct 28;467(7319):1128-32. doi: 10.1038/nature09465. Epub 2010 Oct 17.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉mRNA Regulation and Development, Institute of Human Genetics, CNRS UPR1142, 141 rue de la Cardonille, Cedex 5, 34396 Montpellier, France.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20953170" target="_blank"〉PubMed〈/a〉
    Keywords: 3' Untranslated Regions/genetics ; Animals ; Argonaute Proteins ; Cytoplasm/genetics/metabolism ; DNA Transposable Elements/genetics ; Drosophila Proteins/genetics/metabolism ; Drosophila melanogaster/cytology/*embryology/*genetics ; Embryo, Nonmammalian/cytology/embryology/metabolism ; Female ; *Gene Expression Regulation, Developmental ; Mothers ; Peptide Initiation Factors/genetics/metabolism ; Polyadenylation/*genetics ; *RNA Stability ; RNA, Messenger/genetics/*metabolism ; RNA, Small Interfering/*genetics/metabolism ; RNA-Binding Proteins/genetics/metabolism ; Repressor Proteins/genetics/metabolism ; Ribonucleases/genetics/metabolism ; Zygote/metabolism
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    TAp63 suppresses metastasis through coordinate regulation of Dicer and miRNAs (2010)
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    Publication Date: 2010-10-22
    Description: Aberrant expression of microRNAs (miRNAs) and the enzymes that control their processing have been reported in multiple biological processes including primary and metastatic tumours, but the mechanisms governing this are not clearly understood. Here we show that TAp63, a p53 family member, suppresses tumorigenesis and metastasis, and coordinately regulates Dicer and miR-130b to suppress metastasis. Metastatic mouse and human tumours deficient in TAp63 express Dicer at very low levels, and we found that modulation of expression of Dicer and miR-130b markedly affected the metastatic potential of cells lacking TAp63. TAp63 binds to and transactivates the Dicer promoter, demonstrating direct transcriptional regulation of Dicer by TAp63. These data provide a novel understanding of the roles of TAp63 in tumour and metastasis suppression through the coordinate transcriptional regulation of Dicer and miR-130b and may have implications for the many processes regulated by miRNAs.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3055799/" 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/PMC3055799/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Su, Xiaohua -- Chakravarti, Deepavali -- Cho, Min Soon -- Liu, Lingzhi -- Gi, Young Jin -- Lin, Yu-Li -- Leung, Marco L -- El-Naggar, Adel -- Creighton, Chad J -- Suraokar, Milind B -- Wistuba, Ignacio -- Flores, Elsa R -- 01DE019765/DE/NIDCR NIH HHS/ -- CA16672/CA/NCI NIH HHS/ -- P30 CA016672-27/CA/NCI NIH HHS/ -- P50 CA070907/CA/NCI NIH HHS/ -- P50 CA070907-10/CA/NCI NIH HHS/ -- P50 CA091846/CA/NCI NIH HHS/ -- P50 CA091846-10/CA/NCI NIH HHS/ -- P50CA070907/CA/NCI NIH HHS/ -- P50CA091846/CA/NCI NIH HHS/ -- U01 DE019765/DE/NIDCR NIH HHS/ -- U01 DE019765-03/DE/NIDCR NIH HHS/ -- England -- Nature. 2010 Oct 21;467(7318):986-90. doi: 10.1038/nature09459.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Molecular and Cellular Oncology, The University of Texas M. D. Anderson Cancer Center, 1515 Holcombe Boulevard, Houston, Texas 77030, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20962848" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Aging ; Cell Line ; Cell Line, Tumor ; DEAD-box RNA Helicases/biosynthesis/deficiency/genetics/*metabolism ; Endoribonucleases/genetics/*metabolism ; Female ; *Gene Expression Regulation, Neoplastic ; Genes, Tumor Suppressor/physiology ; Genomic Instability ; Humans ; Male ; Mice ; Mice, Inbred C57BL ; MicroRNAs/*biosynthesis/genetics/metabolism ; Neoplasm Metastasis/*genetics ; Neoplasms/genetics/pathology/secretion ; Phosphoproteins/deficiency/genetics/*metabolism ; Promoter Regions, Genetic/genetics ; Ribonuclease III/biosynthesis/deficiency/genetics/*metabolism ; Trans-Activators/deficiency/genetics/*metabolism ; Transcription Factors ; Transcriptional Activation ; Tumor Suppressor Proteins/deficiency/genetics/*metabolism
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    Heteroplasmic mitochondrial DNA mutations in normal and tumour cells (2010)
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    Publication Date: 2010-03-05
    Description: The presence of hundreds of copies of mitochondrial DNA (mtDNA) in each human cell poses a challenge for the complete characterization of mtDNA genomes by conventional sequencing technologies. Here we describe digital sequencing of mtDNA genomes with the use of massively parallel sequencing-by-synthesis approaches. Although the mtDNA of human cells is considered to be homogeneous, we found widespread heterogeneity (heteroplasmy) in the mtDNA of normal human cells. Moreover, the frequency of heteroplasmic variants varied considerably between different tissues in the same individual. In addition to the variants identified in normal tissues, cancer cells harboured further homoplasmic and heteroplasmic mutations that could also be detected in patient plasma. These studies provide insights into the nature and variability of mtDNA sequences and have implications for mitochondrial processes during embryogenesis, cancer biomarker development and forensic analysis. In particular, they demonstrate that individual humans are characterized by a complex mixture of related mitochondrial genotypes rather than a single genotype.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3176451/" 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/PMC3176451/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉He, Yiping -- Wu, Jian -- Dressman, Devin C -- Iacobuzio-Donahue, Christine -- Markowitz, Sanford D -- Velculescu, Victor E -- Diaz, Luis A Jr -- Kinzler, Kenneth W -- Vogelstein, Bert -- Papadopoulos, Nickolas -- CA 43460/CA/NCI NIH HHS/ -- CA 62924/CA/NCI NIH HHS/ -- CA121113/CA/NCI NIH HHS/ -- CA57345/CA/NCI NIH HHS/ -- P50 CA062924/CA/NCI NIH HHS/ -- P50 CA062924-06/CA/NCI NIH HHS/ -- R01 CA057345/CA/NCI NIH HHS/ -- R01 CA057345-08/CA/NCI NIH HHS/ -- R01 CA121113/CA/NCI NIH HHS/ -- R01 CA121113-04/CA/NCI NIH HHS/ -- R37 CA043460/CA/NCI NIH HHS/ -- R37 CA043460-16/CA/NCI NIH HHS/ -- Howard Hughes Medical Institute/ -- England -- Nature. 2010 Mar 25;464(7288):610-4. doi: 10.1038/nature08802. Epub 2010 Mar 3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉The Ludwig Center for Cancer Genetics and Therapeutics and The Howard Hughes Medical Institute at The Johns Hopkins Kimmel Cancer Center, Baltimore, Maryland 21231, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20200521" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Aged ; Child ; Colorectal Neoplasms/*pathology ; DNA, Mitochondrial/blood/*genetics ; Female ; Gene Frequency ; *Genetic Heterogeneity ; Genetic Variation ; Genotype ; Humans ; Intestinal Mucosa/cytology/pathology ; Male ; Middle Aged ; Mutation/*genetics
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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    Behavioural neurobiology: The treacherous scent of a human (2010)
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    Publication Date: 2010-03-06
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Leal, Walter S -- England -- Nature. 2010 Mar 4;464(7285):37-8. doi: 10.1038/464037a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20203594" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Anopheles gambiae/genetics/*metabolism ; Drosophila melanogaster/cytology/genetics/metabolism ; Female ; Humans ; Insect Bites and Stings/prevention & control ; Insect Vectors/*metabolism ; *Malaria/prevention & control/transmission ; Odors/*analysis ; Olfactory Pathways/*metabolism ; Olfactory Receptor Neurons/metabolism ; Receptors, Odorant/genetics/*metabolism
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    Whole-genome resequencing reveals loci under selection during chicken domestication (2010)
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    Publication Date: 2010-03-12
    Description: Domestic animals are excellent models for genetic studies of phenotypic evolution. They have evolved genetic adaptations to a new environment, the farm, and have been subjected to strong human-driven selection leading to remarkable phenotypic changes in morphology, physiology and behaviour. Identifying the genetic changes underlying these developments provides new insight into general mechanisms by which genetic variation shapes phenotypic diversity. Here we describe the use of massively parallel sequencing to identify selective sweeps of favourable alleles and candidate mutations that have had a prominent role in the domestication of chickens (Gallus gallus domesticus) and their subsequent specialization into broiler (meat-producing) and layer (egg-producing) chickens. We have generated 44.5-fold coverage of the chicken genome using pools of genomic DNA representing eight different populations of domestic chickens as well as red jungle fowl (Gallus gallus), the major wild ancestor. We report more than 7,000,000 single nucleotide polymorphisms, almost 1,300 deletions and a number of putative selective sweeps. One of the most striking selective sweeps found in all domestic chickens occurred at the locus for thyroid stimulating hormone receptor (TSHR), which has a pivotal role in metabolic regulation and photoperiod control of reproduction in vertebrates. Several of the selective sweeps detected in broilers overlapped genes associated with growth, appetite and metabolic regulation. We found little evidence that selection for loss-of-function mutations had a prominent role in chicken domestication, but we detected two deletions in coding sequences that we suggest are functionally important. This study has direct application to animal breeding and enhances the importance of the domestic chicken as a model organism for biomedical research.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Rubin, Carl-Johan -- Zody, Michael C -- Eriksson, Jonas -- Meadows, Jennifer R S -- Sherwood, Ellen -- Webster, Matthew T -- Jiang, Lin -- Ingman, Max -- Sharpe, Ted -- Ka, Sojeong -- Hallbook, Finn -- Besnier, Francois -- Carlborg, Orjan -- Bed'hom, Bertrand -- Tixier-Boichard, Michele -- Jensen, Per -- Siegel, Paul -- Lindblad-Toh, Kerstin -- Andersson, Leif -- England -- Nature. 2010 Mar 25;464(7288):587-91. doi: 10.1038/nature08832. Epub 2010 Mar 10.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Medical Biochemistry and Microbiology, Uppsala University, Box 582, SE-75123 Uppsala, Sweden.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20220755" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Biological Evolution ; Chickens/*genetics ; Female ; Genetic Loci/*genetics ; Genome/*genetics ; Male ; Molecular Sequence Data ; Polymorphism, Single Nucleotide ; Selection, Genetic/*genetics ; Sequence Alignment ; Sequence Analysis, DNA ; Sequence Deletion
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    Lkb1 regulates cell cycle and energy metabolism in haematopoietic stem cells (2010)
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    Publication Date: 2010-12-03
    Description: Little is known about metabolic regulation in stem cells and how this modulates tissue regeneration or tumour suppression. We studied the Lkb1 tumour suppressor and its substrate AMP-activated protein kinase (AMPK), kinases that coordinate metabolism with cell growth. Deletion of the Lkb1 (also called Stk11) gene in mice caused increased haematopoietic stem cell (HSC) division, rapid HSC depletion and pancytopenia. HSCs depended more acutely on Lkb1 for cell-cycle regulation and survival than many other haematopoietic cells. HSC depletion did not depend on mTOR activation or oxidative stress. Lkb1-deficient HSCs, but not myeloid progenitors, had reduced mitochondrial membrane potential and ATP levels. HSCs deficient for two catalytic alpha-subunits of AMPK (AMPK-deficient HSCs) showed similar changes in mitochondrial function but remained able to reconstitute irradiated mice. Lkb1-deficient HSCs, but not AMPK-deficient HSCs, exhibited defects in centrosomes and mitotic spindles in culture, and became aneuploid. Lkb1 is therefore required for HSC maintenance through AMPK-dependent and AMPK-independent mechanisms, revealing differences in metabolic and cell-cycle regulation between HSCs and some other haematopoietic progenitors.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3059717/" 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/PMC3059717/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Nakada, Daisuke -- Saunders, Thomas L -- Morrison, Sean J -- CA46592/CA/NCI NIH HHS/ -- Howard Hughes Medical Institute/ -- England -- Nature. 2010 Dec 2;468(7324):653-8. doi: 10.1038/nature09571.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Howard Hughes Medical Institute, Life Sciences Institute, Center for Stem Cell Biology, University of Michigan, Ann Arbor, Michigan 48109-2216, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21124450" target="_blank"〉PubMed〈/a〉
    Keywords: AMP-Activated Protein Kinases/chemistry/deficiency/genetics/metabolism ; Aneuploidy ; Animals ; Catalytic Domain/genetics ; Cell Cycle/*physiology ; Cell Death ; Cell Division ; Cell Survival ; Centrosome/pathology ; Energy Metabolism/*physiology ; Enzyme Activation ; Female ; Gene Deletion ; Hematopoietic Stem Cells/*cytology/drug effects/*metabolism/pathology ; Male ; Mice ; Mice, Inbred C57BL ; Mitochondria/metabolism/pathology ; Multiprotein Complexes ; Pancytopenia/genetics ; Protein-Serine-Threonine Kinases/deficiency/genetics/*metabolism ; Proteins/metabolism ; Regeneration ; Signal Transduction ; Sirolimus/pharmacology ; Spindle Apparatus/pathology ; TOR Serine-Threonine Kinases/metabolism
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    Asterless is a scaffold for the onset of centriole assembly (2010)
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    Publication Date: 2010-09-21
    Description: Centrioles are found in the centrosome core and, as basal bodies, at the base of cilia and flagella. Centriole assembly and duplication is controlled by Polo-like-kinase 4 (Plk4): these processes fail if Plk4 is downregulated and are promoted by Plk4 overexpression. Here we show that the centriolar protein Asterless (Asl; human orthologue CEP152) provides a conserved molecular platform, the amino terminus of which interacts with the cryptic Polo box of Plk4 whereas the carboxy terminus interacts with the centriolar protein Sas-4 (CPAP in humans). Drosophila Asl and human CEP152 are required for the centrosomal loading of Plk4 in Drosophila and CPAP in human cells, respectively. Depletion of Asl or CEP152 caused failure of centrosome duplication; their overexpression led to de novo centriole formation in Drosophila eggs, duplication of free centrosomes in Drosophila embryos, and centrosome amplification in cultured Drosophila and human cells. Overexpression of a Plk4-binding-deficient mutant of Asl prevented centriole duplication in cultured cells and embryos. However, this mutant protein was able to promote microtubule organizing centre (MTOC) formation in both embryos and oocytes. Such MTOCs had pericentriolar material and the centriolar protein Sas-4, but no centrioles at their core. Formation of such acentriolar MTOCs could be phenocopied by overexpression of Sas-4 in oocytes or embryos. Our findings identify independent functions for Asl as a scaffold for Plk4 and Sas-4 that facilitates self-assembly and duplication of the centriole and organization of pericentriolar material.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Dzhindzhev, Nikola S -- Yu, Quan D -- Weiskopf, Kipp -- Tzolovsky, George -- Cunha-Ferreira, Ines -- Riparbelli, Maria -- Rodrigues-Martins, Ana -- Bettencourt-Dias, Monica -- Callaini, Giuliano -- Glover, David M -- 11431/Cancer Research UK/United Kingdom -- Cancer Research UK/United Kingdom -- England -- Nature. 2010 Oct 7;467(7316):714-8. doi: 10.1038/nature09445. Epub 2010 Sep 19.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Cancer Research UK Cell Cycle Genetics Group, University of Cambridge, Department of Genetics, Downing Street, Cambridge CB2 3EH, UK. nsd23@cam.ac.uk〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20852615" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Animals, Genetically Modified ; Cell Cycle Proteins/*metabolism ; Cell Line ; Centrioles/*metabolism ; Centrosome/metabolism ; Drosophila Proteins/chemistry/deficiency/genetics/*metabolism ; Drosophila melanogaster/cytology/embryology/genetics/metabolism ; Female ; Humans ; Microtubule-Associated Proteins/metabolism ; Microtubule-Organizing Center/metabolism ; Oocytes/cytology/metabolism ; Protein Binding ; Protein-Serine-Threonine Kinases/chemistry/deficiency/genetics/metabolism ; Proto-Oncogene Proteins c-myc/genetics/metabolism
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    Molecular coupling of Tsix regulation and pluripotency (2010)
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    Publication Date: 2010-11-19
    Description: The reprogramming of X-chromosome inactivation during the acquisition of pluripotency in vivo and in vitro is accompanied by the repression of Xist, the trigger of X-inactivation, and the upregulation of its antisense counterpart Tsix. We have shown that key factors supporting pluripotency-Nanog, Oct4 and Sox2-bind within Xist intron 1 in undifferentiated embryonic stem cells (ESC) to repress Xist transcription. However, the relationship between transcription factors of the pluripotency network and Tsix regulation has remained unclear. Here we show that Tsix upregulation in embryonic stem cells depends on the recruitment of the pluripotent marker Rex1, and of the reprogramming-associated factors Klf4 and c-Myc, by the DXPas34 minisatellite associated with the Tsix promoter. Upon deletion of DXPas34, binding of the three factors is abrogated and the transcriptional machinery is no longer efficiently recruited to the Tsix promoter. Additional analyses including knockdown experiments further demonstrate that Rex1 is critically important for efficient transcription elongation of Tsix. Hence, distinct embryonic-stem-cell-specific complexes couple X-inactivation reprogramming and pluripotency, with Nanog, Oct4 and Sox2 repressing Xist to facilitate the reactivation of the inactive X, and Klf4, c-Myc and Rex1 activating Tsix to remodel Xist chromatin and ensure random X-inactivation upon differentiation. The holistic pattern of Xist/Tsix regulation by pluripotent factors that we have identified suggests a general direct governance of complex epigenetic processes by the machinery dedicated to pluripotency.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Navarro, Pablo -- Oldfield, Andrew -- Legoupi, Julie -- Festuccia, Nicola -- Dubois, Agnes -- Attia, Mikael -- Schoorlemmer, Jon -- Rougeulle, Claire -- Chambers, Ian -- Avner, Philip -- Wellcome Trust/United Kingdom -- England -- Nature. 2010 Nov 18;468(7322):457-60. doi: 10.1038/nature09496.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Unite de Genetique Moleculaire Murine, URA 2578, Institut Pasteur, 75724 Paris Cedex 15, France. pablo.navarro@ed.ac.uk〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21085182" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Embryonic Stem Cells/cytology/*metabolism ; Female ; Homeodomain Proteins/metabolism ; Kruppel-Like Transcription Factors/metabolism ; Male ; Mice ; Minisatellite Repeats/genetics ; Octamer Transcription Factor-3/metabolism ; Pluripotent Stem Cells/cytology/*metabolism ; Promoter Regions, Genetic/genetics ; Proto-Oncogene Proteins c-myc/metabolism ; RNA, Long Noncoding ; RNA, Untranslated/*genetics ; SOXB1 Transcription Factors/metabolism ; Transcription Factors/metabolism ; Transcription, Genetic/*genetics ; Up-Regulation/*genetics ; X Chromosome Inactivation/genetics
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    Fossil genome reveals ancestral link (2010)
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    Publication Date: 2010-12-24
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Callaway, Ewen -- England -- Nature. 2010 Dec 23;468(7327):1012. doi: 10.1038/4681012a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21179140" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Biological Evolution ; Female ; *Fossils ; Genome/*genetics ; Hominidae/classification/*genetics ; Humans
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    A dimorphic pheromone circuit in Drosophila from sensory input to descending output (2010)
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    Publication Date: 2010-12-03
    Description: Drosophila show innate olfactory-driven behaviours that are observed in naive animals without previous learning or experience, suggesting that the neural circuits that mediate these behaviours are genetically programmed. Despite the numerical simplicity of the fly nervous system, features of the anatomical organization of the fly brain often confound the delineation of these circuits. Here we identify a neural circuit responsive to cVA, a pheromone that elicits sexually dimorphic behaviours. We have combined neural tracing using an improved photoactivatable green fluorescent protein (PA-GFP) with electrophysiology, optical imaging and laser-mediated microlesioning to map this circuit from the activation of sensory neurons in the antennae to the excitation of descending neurons in the ventral nerve cord. This circuit is concise and minimally comprises four neurons, connected by three synapses. Three of these neurons are overtly dimorphic and identify a male-specific neuropil that integrates inputs from multiple sensory systems and sends outputs to the ventral nerve cord. This neural pathway suggests a means by which a single pheromone can elicit different behaviours in the two sexes.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ruta, Vanessa -- Datta, Sandeep Robert -- Vasconcelos, Maria Luisa -- Freeland, Jessica -- Looger, Loren L -- Axel, Richard -- Howard Hughes Medical Institute/ -- England -- Nature. 2010 Dec 2;468(7324):686-90. doi: 10.1038/nature09554.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biochemistry and Molecular Biophysics and the Howard Hughes Medical Institute, College of Physicians and Surgeons, Columbia University, New York, New York 10032, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21124455" target="_blank"〉PubMed〈/a〉
    Keywords: Acetates/pharmacology ; Animals ; Arthropod Antennae/cytology/drug effects/innervation ; Drosophila Proteins/genetics/metabolism ; Drosophila melanogaster/anatomy & histology/*cytology/*drug effects ; Female ; Male ; Nerve Tissue Proteins/genetics/metabolism ; Neuroanatomical Tract-Tracing Techniques ; Odors ; Oleic Acids/pharmacology ; Olfactory Pathways/cytology/*drug effects ; Olfactory Perception/drug effects/physiology ; Pheromones/*pharmacology ; Physical Stimulation ; Sensory Receptor Cells/drug effects/physiology ; *Sex Characteristics ; Sexual Behavior, Animal/drug effects/physiology ; Transcription Factors/genetics/metabolism
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    Drug safety crackdown revs up (2010)
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    Publication Date: 2010-08-06
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ledford, Heidi -- England -- Nature. 2010 Aug 5;466(7307):677. doi: 10.1038/466677a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20686544" target="_blank"〉PubMed〈/a〉
    Keywords: Benzazepines/*adverse effects ; Female ; Humans ; Male ; *Product Surveillance, Postmarketing ; Quinoxalines/*adverse effects ; Risk Assessment ; Thiazolidinediones/adverse effects ; United States ; United States Food and Drug Administration/*legislation & jurisprudence ; Varenicline ; Violence
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    Ataxin-2 intermediate-length polyglutamine expansions are associated with increased risk for ALS (2010)
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    Publication Date: 2010-08-27
    Description: The causes of amyotrophic lateral sclerosis (ALS), a devastating human neurodegenerative disease, are poorly understood, although the protein TDP-43 has been suggested to have a critical role in disease pathogenesis. Here we show that ataxin 2 (ATXN2), a polyglutamine (polyQ) protein mutated in spinocerebellar ataxia type 2, is a potent modifier of TDP-43 toxicity in animal and cellular models. ATXN2 and TDP-43 associate in a complex that depends on RNA. In spinal cord neurons of ALS patients, ATXN2 is abnormally localized; likewise, TDP-43 shows mislocalization in spinocerebellar ataxia type 2. To assess the involvement of ATXN2 in ALS, we analysed the length of the polyQ repeat in the ATXN2 gene in 915 ALS patients. We found that intermediate-length polyQ expansions (27-33 glutamines) in ATXN2 were significantly associated with ALS. These data establish ATXN2 as a relatively common ALS susceptibility gene. Furthermore, these findings indicate that the TDP-43-ATXN2 interaction may be a promising target for therapeutic intervention in ALS and other TDP-43 proteinopathies.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2965417/" 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/PMC2965417/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Elden, Andrew C -- Kim, Hyung-Jun -- Hart, Michael P -- Chen-Plotkin, Alice S -- Johnson, Brian S -- Fang, Xiaodong -- Armakola, Maria -- Geser, Felix -- Greene, Robert -- Lu, Min Min -- Padmanabhan, Arun -- Clay-Falcone, Dana -- McCluskey, Leo -- Elman, Lauren -- Juhr, Denise -- Gruber, Peter J -- Rub, Udo -- Auburger, Georg -- Trojanowski, John Q -- Lee, Virginia M-Y -- Van Deerlin, Vivianna M -- Bonini, Nancy M -- Gitler, Aaron D -- 1DP2OD004417-01/OD/NIH HHS/ -- 1R01NS065317-01/NS/NINDS NIH HHS/ -- AG-10124/AG/NIA NIH HHS/ -- AG-17586/AG/NIA NIH HHS/ -- DP2 OD004417/OD/NIH HHS/ -- DP2 OD004417-01/OD/NIH HHS/ -- K08 AG-033101-01/AG/NIA NIH HHS/ -- P01 AG-09215/AG/NIA NIH HHS/ -- R01 NS065317/NS/NINDS NIH HHS/ -- R01 NS065317-01/NS/NINDS NIH HHS/ -- R01 NS065317-02/NS/NINDS NIH HHS/ -- R01 NS065317-03/NS/NINDS NIH HHS/ -- Howard Hughes Medical Institute/ -- England -- Nature. 2010 Aug 26;466(7310):1069-75. doi: 10.1038/nature09320.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Cell and Developmental Biology, University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20740007" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Aged ; Aged, 80 and over ; Amyotrophic Lateral Sclerosis/*genetics ; Animals ; Ataxins ; Cell Line ; DNA-Binding Proteins/metabolism/toxicity ; Drosophila/drug effects/genetics ; Female ; *Genetic Predisposition to Disease ; Humans ; Male ; Middle Aged ; Nerve Tissue Proteins/*genetics/*metabolism ; Neurons/pathology ; Peptides/chemistry/*genetics ; Repetitive Sequences, Amino Acid/*genetics ; Risk Factors ; Saccharomyces cerevisiae/drug effects/genetics/metabolism ; Young Adult
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    Globe still in grip of addiction (2010)
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    Publication Date: 2010-02-26
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Samet, Jonathan M -- Wipfli, Heather L -- England -- Nature. 2010 Feb 25;463(7284):1020-1. doi: 10.1038/4631020a.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉University of Southern California, Keck School of Medicine, Department of Preventive Medicine and USC Institute for Global Health, Los Angeles, California 90033, USA. jsamet@usc.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20182492" target="_blank"〉PubMed〈/a〉
    Keywords: Developed Countries/statistics & numerical data ; Developing Countries/*statistics & numerical data ; Female ; Global Health ; Humans ; International Cooperation ; Male ; Public Health ; Smoking/adverse effects/*epidemiology/legislation & jurisprudence/*prevention & ; control ; Tobacco/adverse effects ; Tobacco Smoke Pollution/adverse effects/legislation & jurisprudence/prevention & ; control ; Tobacco Use Disorder/*epidemiology/etiology/*prevention & control ; World Health Organization
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    Chronic high-fat diet in fathers programs beta-cell dysfunction in female rat offspring (2010)
    Nature Publishing Group (NPG)
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    Publication Date: 2010-10-22
    Description: The global prevalence of obesity is increasing across most ages in both sexes. This is contributing to the early emergence of type 2 diabetes and its related epidemic. Having either parent obese is an independent risk factor for childhood obesity. Although the detrimental impacts of diet-induced maternal obesity on adiposity and metabolism in offspring are well established, the extent of any contribution of obese fathers is unclear, particularly the role of non-genetic factors in the causal pathway. Here we show that paternal high-fat-diet (HFD) exposure programs beta-cell 'dysfunction' in rat F(1) female offspring. Chronic HFD consumption in Sprague-Dawley fathers induced increased body weight, adiposity, impaired glucose tolerance and insulin sensitivity. Relative to controls, their female offspring had an early onset of impaired insulin secretion and glucose tolerance that worsened with time, and normal adiposity. Paternal HFD altered the expression of 642 pancreatic islet genes in adult female offspring (P 〈 0.01); genes belonged to 13 functional clusters, including cation and ATP binding, cytoskeleton and intracellular transport. Broader pathway analysis of 2,492 genes differentially expressed (P 〈 0.05) demonstrated involvement of calcium-, MAPK- and Wnt-signalling pathways, apoptosis and the cell cycle. Hypomethylation of the Il13ra2 gene, which showed the highest fold difference in expression (1.76-fold increase), was demonstrated. This is the first report in mammals of non-genetic, intergenerational transmission of metabolic sequelae of a HFD from father to offspring.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ng, Sheau-Fang -- Lin, Ruby C Y -- Laybutt, D Ross -- Barres, Romain -- Owens, Julie A -- Morris, Margaret J -- England -- Nature. 2010 Oct 21;467(7318):963-6. doi: 10.1038/nature09491.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Pharmacology, School of Medical Sciences, University of New South Wales, New South Wales, Sydney 2052, Australia.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20962845" target="_blank"〉PubMed〈/a〉
    Keywords: Adenosine Triphosphate/metabolism ; Adiposity/drug effects ; Aging/genetics ; Animals ; Apoptosis/genetics ; Body Weight/drug effects ; Cations/metabolism ; Cell Cycle/genetics ; Cytoskeleton/metabolism ; DNA Methylation/drug effects ; Diabetes Mellitus, Type 2/etiology/pathology/physiopathology ; Diet/*adverse effects ; Dietary Fats/*administration & dosage/*adverse effects ; Epigenesis, Genetic/drug effects ; *Fathers ; Female ; Gene Expression Profiling ; Gene Expression Regulation ; Glucose/pharmacology ; Glucose Intolerance/etiology/pathology/physiopathology ; Glucose Tolerance Test ; Homeostasis/drug effects ; Insulin/secretion ; Insulin-Secreting Cells/metabolism/*pathology/secretion ; Litter Size ; Male ; Obesity/etiology/pathology/physiopathology ; Paternal Exposure/*adverse effects ; Rats ; Rats, Sprague-Dawley ; Signal Transduction/genetics
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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    Non-muscle myosin IIA is a functional entry receptor for herpes simplex virus-1 (2010)
    Nature Publishing Group (NPG)
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    Publication Date: 2010-10-15
    Description: Herpes simplex virus-1 (HSV-1), the prototype of the alpha-herpesvirus family, causes life-long infections in humans. Although generally associated with various mucocutaneous diseases, HSV-1 is also involved in lethal encephalitis. HSV-1 entry into host cells requires cellular receptors for both envelope glycoproteins B (gB) and D (gD). However, the gB receptors responsible for its broad host range in vitro and infection of critical targets in vivo remain unknown. Here we show that non-muscle myosin heavy chain IIA (NMHC-IIA), a subunit of non-muscle myosin IIA (NM-IIA), functions as an HSV-1 entry receptor by interacting with gB. A cell line that is relatively resistant to HSV-1 infection became highly susceptible to infection by this virus when NMHC-IIA was overexpressed. Antibody to NMHC-IIA blocked HSV-1 infection in naturally permissive target cells. Furthermore, knockdown of NMHC-IIA in the permissive cells inhibited HSV-1 infection as well as cell-cell fusion when gB, gD, gH and gL were coexpressed. Cell-surface expression of NMHC-IIA was markedly and rapidly induced during the initiation of HSV-1 entry. A specific inhibitor of myosin light chain kinase, which regulates NM-IIA by phosphorylation, reduced the redistribution of NMHC-IIA as well as HSV-1 infection in cell culture and in a murine model for herpes stromal keratitis. NMHC-IIA is ubiquitously expressed in various human tissues and cell types and, therefore, is implicated as a functional gB receptor that mediates broad HSV-1 infectivity both in vitro and in vivo. The identification of NMHC-IIA as an HSV-1 entry receptor and the involvement of NM-IIA regulation in HSV-1 infection provide an insight into HSV-1 entry and identify new targets for antiviral drug development.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Arii, Jun -- Goto, Hideo -- Suenaga, Tadahiro -- Oyama, Masaaki -- Kozuka-Hata, Hiroko -- Imai, Takahiko -- Minowa, Atsuko -- Akashi, Hiroomi -- Arase, Hisashi -- Kawaoka, Yoshihiro -- Kawaguchi, Yasushi -- England -- Nature. 2010 Oct 14;467(7317):859-62. doi: 10.1038/nature09420.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Division of Viral Infection, Department of Infectious Disease Control, International Research Center for Infectious Diseases, The Institute of Medical Science, The University of Tokyo, Minato-ku, Tokyo 108-8639, Japan.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20944748" target="_blank"〉PubMed〈/a〉
    Keywords: Adsorption ; Animals ; Azepines/pharmacology ; CHO Cells ; Cell Fusion ; Cercopithecus aethiops ; Cricetinae ; Cricetulus ; Female ; Gene Knockdown Techniques ; HEK293 Cells ; HL-60 Cells ; Herpes Simplex/virology ; Herpesvirus 1, Human/drug effects/metabolism/*physiology ; Humans ; Mice ; Myosin-Light-Chain Kinase/antagonists & inhibitors ; Naphthalenes/pharmacology ; Nonmuscle Myosin Type IIA/deficiency/genetics/*metabolism ; Receptors, Virus/*metabolism ; Temperature ; Up-Regulation ; Vero Cells ; Viral Envelope Proteins/metabolism ; Virus Internalization/drug effects
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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    Gender agenda: positive steps taken in Germany (2010)
    Nature Publishing Group (NPG)
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    Publication Date: 2010-07-16
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Zeeb, Hajo -- Spallek, Jacob -- Jahn, Ingeborg -- England -- Nature. 2010 Jul 15;466(7304):315. doi: 10.1038/466315b.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20631777" target="_blank"〉PubMed〈/a〉
    Keywords: Bias (Epidemiology) ; Biomedical Research/standards ; Chronic Disease/*epidemiology ; Cohort Studies ; Female ; Germany ; Humans ; Male ; *Patient Selection ; Public Health/standards ; Research Personnel/*statistics & numerical data ; Sex Distribution
    Print ISSN: 0028-0836
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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    Patient-specific induced pluripotent stem-cell-derived models of LEOPARD syndrome (2010)
    Nature Publishing Group (NPG)
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    Publication Date: 2010-06-11
    Description: The generation of reprogrammed induced pluripotent stem cells (iPSCs) from patients with defined genetic disorders holds the promise of increased understanding of the aetiologies of complex diseases and may also facilitate the development of novel therapeutic interventions. We have generated iPSCs from patients with LEOPARD syndrome (an acronym formed from its main features; that is, lentigines, electrocardiographic abnormalities, ocular hypertelorism, pulmonary valve stenosis, abnormal genitalia, retardation of growth and deafness), an autosomal-dominant developmental disorder belonging to a relatively prevalent class of inherited RAS-mitogen-activated protein kinase signalling diseases, which also includes Noonan syndrome, with pleomorphic effects on several tissues and organ systems. The patient-derived cells have a mutation in the PTPN11 gene, which encodes the SHP2 phosphatase. The iPSCs have been extensively characterized and produce multiple differentiated cell lineages. A major disease phenotype in patients with LEOPARD syndrome is hypertrophic cardiomyopathy. We show that in vitro-derived cardiomyocytes from LEOPARD syndrome iPSCs are larger, have a higher degree of sarcomeric organization and preferential localization of NFATC4 in the nucleus when compared with cardiomyocytes derived from human embryonic stem cells or wild-type iPSCs derived from a healthy brother of one of the LEOPARD syndrome patients. These features correlate with a potential hypertrophic state. We also provide molecular insights into signalling pathways that may promote the disease phenotype.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2885001/" 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/PMC2885001/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Carvajal-Vergara, Xonia -- Sevilla, Ana -- D'Souza, Sunita L -- Ang, Yen-Sin -- Schaniel, Christoph -- Lee, Dung-Fang -- Yang, Lei -- Kaplan, Aaron D -- Adler, Eric D -- Rozov, Roye -- Ge, Yongchao -- Cohen, Ninette -- Edelmann, Lisa J -- Chang, Betty -- Waghray, Avinash -- Su, Jie -- Pardo, Sherly -- Lichtenbelt, Klaske D -- Tartaglia, Marco -- Gelb, Bruce D -- Lemischka, Ihor R -- 5R01GM078465/GM/NIGMS NIH HHS/ -- R01 GM078465/GM/NIGMS NIH HHS/ -- R01 GM078465-03/GM/NIGMS NIH HHS/ -- England -- Nature. 2010 Jun 10;465(7299):808-12. doi: 10.1038/nature09005.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Gene and Cell Medicine, Black Family Stem Cell Institute, Mount Sinai School of Medicine, New York, New York 10029, USA. xcarvajal@gmail.com〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20535210" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Cell Differentiation ; Cell Line ; Cell Lineage ; Cells, Cultured ; Embryonic Stem Cells/metabolism ; Enzyme Activation ; Female ; Fibroblasts/metabolism/pathology ; Gene Expression Profiling ; Homeodomain Proteins/genetics ; Humans ; Induced Pluripotent Stem Cells/enzymology/metabolism/*pathology ; LEOPARD Syndrome/drug therapy/metabolism/*pathology ; Male ; Mitogen-Activated Protein Kinases/metabolism ; *Models, Biological ; Myocytes, Cardiac/metabolism/pathology ; NFATC Transcription Factors/genetics/metabolism ; Octamer Transcription Factor-3/genetics ; Phosphoproteins/analysis ; Polymerase Chain Reaction ; *Precision Medicine ; Protein Tyrosine Phosphatase, Non-Receptor Type 11/genetics/metabolism ; SOXB1 Transcription Factors/genetics
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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    Control of mammary stem cell function by steroid hormone signalling (2010)
    Nature Publishing Group (NPG)
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    Publication Date: 2010-04-13
    Description: The ovarian hormones oestrogen and progesterone profoundly influence breast cancer risk, underpinning the benefit of endocrine therapies in the treatment of breast cancer. Modulation of their effects through ovarian ablation or chemoprevention strategies also significantly decreases breast cancer incidence. Conversely, there is an increased risk of breast cancer associated with pregnancy in the short term. The cellular mechanisms underlying these observations, however, are poorly defined. Here we demonstrate that mouse mammary stem cells (MaSCs) are highly responsive to steroid hormone signalling, despite lacking the oestrogen and progesterone receptors. Ovariectomy markedly diminished MaSC number and outgrowth potential in vivo, whereas MaSC activity increased in mice treated with oestrogen plus progesterone. Notably, even three weeks of treatment with the aromatase inhibitor letrozole was sufficient to reduce the MaSC pool. In contrast, pregnancy led to a transient 11-fold increase in MaSC numbers, probably mediated through paracrine signalling from RANK ligand. The augmented MaSC pool indicates a cellular basis for the short-term increase in breast cancer incidence that accompanies pregnancy. These findings further indicate that breast cancer chemoprevention may be achieved, in part, through suppression of MaSC function.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Asselin-Labat, Marie-Liesse -- Vaillant, Francois -- Sheridan, Julie M -- Pal, Bhupinder -- Wu, Di -- Simpson, Evan R -- Yasuda, Hisataka -- Smyth, Gordon K -- Martin, T John -- Lindeman, Geoffrey J -- Visvader, Jane E -- England -- Nature. 2010 Jun 10;465(7299):798-802. doi: 10.1038/nature09027. Epub 2010 Apr 11.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉The Walter and Eliza Hall Institute of Medical Research, Parkville, Victoria 3052, Australia.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20383121" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antigens, CD24/metabolism ; Antigens, CD29/metabolism ; Aromatase/metabolism ; Aromatase Inhibitors/pharmacology ; Cell Count ; Estrogens/*metabolism/pharmacology ; Female ; Humans ; Integrin beta3/metabolism ; Mammary Glands, Animal/*cytology ; Mice ; Nitriles/pharmacology ; Ovariectomy ; Paracrine Communication/drug effects ; Pregnancy ; Pregnancy, Animal/physiology ; Progesterone/antagonists & inhibitors/*metabolism/pharmacology ; RANK Ligand/metabolism ; Receptor, Epidermal Growth Factor/metabolism ; Receptors, Estrogen/deficiency ; Receptors, Progesterone/deficiency ; Signal Transduction/drug effects ; Stem Cells/*cytology/drug effects/metabolism ; Triazoles/pharmacology
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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    Biological, clinical and population relevance of 95 loci for blood lipids (2010)
    Nature Publishing Group (NPG)
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    Publication Date: 2010-08-06
    Description: Plasma concentrations of total cholesterol, low-density lipoprotein cholesterol, high-density lipoprotein cholesterol and triglycerides are among the most important risk factors for coronary artery disease (CAD) and are targets for therapeutic intervention. We screened the genome for common variants associated with plasma lipids in 〉100,000 individuals of European ancestry. Here we report 95 significantly associated loci (P 〈 5 x 10(-8)), with 59 showing genome-wide significant association with lipid traits for the first time. The newly reported associations include single nucleotide polymorphisms (SNPs) near known lipid regulators (for example, CYP7A1, NPC1L1 and SCARB1) as well as in scores of loci not previously implicated in lipoprotein metabolism. The 95 loci contribute not only to normal variation in lipid traits but also to extreme lipid phenotypes and have an impact on lipid traits in three non-European populations (East Asians, South Asians and African Americans). Our results identify several novel loci associated with plasma lipids that are also associated with CAD. Finally, we validated three of the novel genes-GALNT2, PPP1R3B and TTC39B-with experiments in mouse models. Taken together, our findings provide the foundation to develop a broader biological understanding of lipoprotein metabolism and to identify new therapeutic opportunities for the prevention of CAD.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3039276/" 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/PMC3039276/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Teslovich, Tanya M -- Musunuru, Kiran -- Smith, Albert V -- Edmondson, Andrew C -- Stylianou, Ioannis M -- Koseki, Masahiro -- Pirruccello, James P -- Ripatti, Samuli -- Chasman, Daniel I -- Willer, Cristen J -- Johansen, Christopher T -- Fouchier, Sigrid W -- Isaacs, Aaron -- Peloso, Gina M -- Barbalic, Maja -- Ricketts, Sally L -- Bis, Joshua C -- Aulchenko, Yurii S -- Thorleifsson, Gudmar -- Feitosa, Mary F -- Chambers, John -- Orho-Melander, Marju -- Melander, Olle -- Johnson, Toby -- Li, Xiaohui -- Guo, Xiuqing -- Li, Mingyao -- Shin Cho, Yoon -- Jin Go, Min -- Jin Kim, Young -- Lee, Jong-Young -- Park, Taesung -- Kim, Kyunga -- Sim, Xueling -- Twee-Hee Ong, Rick -- Croteau-Chonka, Damien C -- Lange, Leslie A -- Smith, Joshua D -- Song, Kijoung -- Hua Zhao, Jing -- Yuan, Xin -- Luan, Jian'an -- Lamina, Claudia -- Ziegler, Andreas -- Zhang, Weihua -- Zee, Robert Y L -- Wright, Alan F -- Witteman, Jacqueline C M -- Wilson, James F -- Willemsen, Gonneke -- Wichmann, H-Erich -- Whitfield, John B -- Waterworth, Dawn M -- Wareham, Nicholas J -- Waeber, Gerard -- Vollenweider, Peter -- Voight, Benjamin F -- Vitart, Veronique -- Uitterlinden, Andre G -- Uda, Manuela -- Tuomilehto, Jaakko -- Thompson, John R -- Tanaka, Toshiko -- Surakka, Ida -- Stringham, Heather M -- Spector, Tim D -- Soranzo, Nicole -- Smit, Johannes H -- Sinisalo, Juha -- Silander, Kaisa -- Sijbrands, Eric J G -- Scuteri, Angelo -- Scott, James -- Schlessinger, David -- Sanna, Serena -- Salomaa, Veikko -- Saharinen, Juha -- Sabatti, Chiara -- Ruokonen, Aimo -- Rudan, Igor -- Rose, Lynda M -- Roberts, Robert -- Rieder, Mark -- Psaty, Bruce M -- Pramstaller, Peter P -- Pichler, Irene -- Perola, Markus -- Penninx, Brenda W J H -- Pedersen, Nancy L -- Pattaro, Cristian -- Parker, Alex N -- Pare, Guillaume -- Oostra, Ben A -- O'Donnell, Christopher J -- Nieminen, Markku S -- Nickerson, Deborah A -- Montgomery, Grant W -- Meitinger, Thomas -- McPherson, Ruth -- McCarthy, Mark I -- McArdle, Wendy -- Masson, David -- Martin, Nicholas G -- Marroni, Fabio -- Mangino, Massimo -- Magnusson, Patrik K E -- Lucas, Gavin -- Luben, Robert -- Loos, Ruth J F -- Lokki, Marja-Liisa -- Lettre, Guillaume -- Langenberg, Claudia -- Launer, Lenore J -- Lakatta, Edward G -- Laaksonen, Reijo -- Kyvik, Kirsten O -- Kronenberg, Florian -- Konig, Inke R -- Khaw, Kay-Tee -- Kaprio, Jaakko -- Kaplan, Lee M -- Johansson, Asa -- Jarvelin, Marjo-Riitta -- Janssens, A Cecile J W -- Ingelsson, Erik -- Igl, Wilmar -- Kees Hovingh, G -- Hottenga, Jouke-Jan -- Hofman, Albert -- Hicks, Andrew A -- Hengstenberg, Christian -- Heid, Iris M -- Hayward, Caroline -- Havulinna, Aki S -- Hastie, Nicholas D -- Harris, Tamara B -- Haritunians, Talin -- Hall, Alistair S -- Gyllensten, Ulf -- Guiducci, Candace -- Groop, Leif C -- Gonzalez, Elena -- Gieger, Christian -- Freimer, Nelson B -- Ferrucci, Luigi -- Erdmann, Jeanette -- Elliott, Paul -- Ejebe, Kenechi G -- Doring, Angela -- Dominiczak, Anna F -- Demissie, Serkalem -- Deloukas, Panagiotis -- de Geus, Eco J C -- de Faire, Ulf -- Crawford, Gabriel -- Collins, Francis S -- Chen, Yii-der I -- Caulfield, Mark J -- Campbell, Harry -- Burtt, Noel P -- Bonnycastle, Lori L -- Boomsma, Dorret I -- Boekholdt, S Matthijs -- Bergman, Richard N -- Barroso, Ines -- Bandinelli, Stefania -- Ballantyne, Christie M -- Assimes, Themistocles L -- Quertermous, Thomas -- Altshuler, David -- Seielstad, Mark -- Wong, Tien Y -- Tai, E-Shyong -- Feranil, Alan B -- Kuzawa, Christopher W -- Adair, Linda S -- Taylor, Herman A Jr -- Borecki, Ingrid B -- Gabriel, Stacey B -- Wilson, James G -- Holm, Hilma -- Thorsteinsdottir, Unnur -- Gudnason, Vilmundur -- Krauss, Ronald M -- Mohlke, Karen L -- Ordovas, Jose M -- Munroe, Patricia B -- Kooner, Jaspal S -- Tall, Alan R -- Hegele, Robert A -- Kastelein, John J P -- Schadt, Eric E -- Rotter, Jerome I -- Boerwinkle, Eric -- Strachan, David P -- Mooser, Vincent -- Stefansson, Kari -- Reilly, Muredach P -- Samani, Nilesh J -- Schunkert, Heribert -- Cupples, L Adrienne -- Sandhu, Manjinder S -- Ridker, Paul M -- Rader, Daniel J -- van Duijn, Cornelia M -- Peltonen, Leena -- Abecasis, Goncalo R -- Boehnke, Michael -- Kathiresan, Sekar -- 068545/Z/02/Wellcome Trust/United Kingdom -- 076113/B/04/Z/Wellcome Trust/United Kingdom -- 077016/Z/05/Z/Wellcome Trust/United Kingdom -- 079895/Wellcome Trust/United Kingdom -- 1Z01 HG000024/HG/NHGRI NIH HHS/ -- 5R01DK06833603/DK/NIDDK NIH HHS/ -- 5R01DK07568102/DK/NIDDK NIH HHS/ -- 5R01HL087679-02/HL/NHLBI NIH HHS/ -- 5R01HL08770003/HL/NHLBI NIH HHS/ -- 5R01HL08821502/HL/NHLBI NIH HHS/ -- CA 047988/CA/NCI NIH HHS/ -- CZB/4/710/Chief Scientist Office/United Kingdom -- DK062370/DK/NIDDK NIH HHS/ -- DK063491/DK/NIDDK NIH HHS/ -- DK072193/DK/NIDDK NIH HHS/ -- DK078150/DK/NIDDK NIH HHS/ -- DK56350/DK/NIDDK NIH HHS/ -- ES10126/ES/NIEHS NIH HHS/ -- G0000934/Medical Research Council/United Kingdom -- G0401527/Medical Research Council/United Kingdom -- G0601966/Medical Research Council/United Kingdom -- G0700931/Medical Research Council/United Kingdom -- G0701863/Medical Research Council/United Kingdom -- G0801056/Medical Research Council/United Kingdom -- G0801566/Medical Research Council/United Kingdom -- G9521010/Medical Research Council/United Kingdom -- G9521010D/Medical Research Council/United Kingdom -- HHSN268200625226C/PHS HHS/ -- HL 04381/HL/NHLBI NIH HHS/ -- HL 080467/HL/NHLBI NIH HHS/ -- HL-54776/HL/NHLBI NIH HHS/ -- HL085144/HL/NHLBI NIH HHS/ -- K99 HL098364/HL/NHLBI NIH HHS/ -- K99 HL098364-01/HL/NHLBI NIH HHS/ -- K99HL094535/HL/NHLBI NIH HHS/ -- M01-RR00425/RR/NCRR NIH HHS/ -- MC_QA137934/Medical Research Council/United Kingdom -- MC_U106179471/Medical Research Council/United Kingdom -- MC_U106188470/Medical Research Council/United Kingdom -- MC_U127561128/Medical Research Council/United Kingdom -- N01 HC-15103/HC/NHLBI NIH HHS/ -- N01 HC-55222/HC/NHLBI NIH HHS/ -- N01-AG-12100/AG/NIA NIH HHS/ -- N01-HC-25195/HC/NHLBI NIH HHS/ -- N01-HC-35129/HC/NHLBI NIH HHS/ -- N01-HC-45133/HC/NHLBI NIH HHS/ -- N01-HC-55015/HC/NHLBI NIH HHS/ -- N01-HC-55016/HC/NHLBI NIH HHS/ -- N01-HC-55018/HC/NHLBI NIH HHS/ -- N01-HC-55019/HC/NHLBI NIH HHS/ -- N01-HC-55020/HC/NHLBI NIH HHS/ -- N01-HC-55021/HC/NHLBI NIH HHS/ -- N01-HC-55022/HC/NHLBI NIH HHS/ -- N01-HC-75150/HC/NHLBI NIH HHS/ -- N01-HC-85079/HC/NHLBI NIH HHS/ -- N01-HC-85080/HC/NHLBI NIH HHS/ -- N01-HC-85081/HC/NHLBI NIH HHS/ -- N01-HC-85082/HC/NHLBI NIH HHS/ -- N01-HC-85083/HC/NHLBI NIH HHS/ -- N01-HC-85084/HC/NHLBI NIH HHS/ -- N01-HC-85085/HC/NHLBI NIH HHS/ -- N01-HC-85086/HC/NHLBI NIH HHS/ -- N01-HG-65403/HG/NHGRI NIH HHS/ -- N02-HL-6-4278/HL/NHLBI NIH HHS/ -- PG/02/128/British Heart Foundation/United Kingdom -- PG/08/094/British Heart Foundation/United Kingdom -- PG/08/094/26019/British Heart Foundation/United Kingdom -- R01 DK072193/DK/NIDDK NIH HHS/ -- R01 DK078150/DK/NIDDK NIH HHS/ -- R01 HL087647/HL/NHLBI NIH HHS/ -- R01 HL087676/HL/NHLBI NIH HHS/ -- R01 HL089650/HL/NHLBI NIH HHS/ -- R01HL086694/HL/NHLBI NIH HHS/ -- R01HL087641/HL/NHLBI NIH HHS/ -- R01HL087652/HL/NHLBI NIH HHS/ -- R01HL59367/HL/NHLBI NIH HHS/ -- R24 HD050924/HD/NICHD NIH HHS/ -- RC1 HL099634/HL/NHLBI NIH HHS/ -- RC1 HL099634-02/HL/NHLBI NIH HHS/ -- RC1 HL099793/HL/NHLBI NIH HHS/ -- RC2 HL101864,/HL/NHLBI NIH HHS/ -- RC2 HL102419/HL/NHLBI NIH HHS/ -- RG/07/005/23633/British Heart Foundation/United Kingdom -- RR20649/RR/NCRR NIH HHS/ -- SP/08/005/25115/British Heart Foundation/United Kingdom -- T32 GM007092/GM/NIGMS NIH HHS/ -- T32 HG00040/HG/NHGRI NIH HHS/ -- T32HL007208/HL/NHLBI NIH HHS/ -- TW05596/TW/FIC NIH HHS/ -- U01 DK062370/DK/NIDDK NIH HHS/ -- U01 DK062418/DK/NIDDK NIH HHS/ -- U01 HL069757/HL/NHLBI NIH HHS/ -- U01 HL080295/HL/NHLBI NIH HHS/ -- U01HG004402/HG/NHGRI NIH HHS/ -- U54 RR020278/RR/NCRR NIH HHS/ -- UL1RR025005/RR/NCRR NIH HHS/ -- Intramural NIH HHS/ -- England -- Nature. 2010 Aug 5;466(7307):707-13. doi: 10.1038/nature09270.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Center for Statistical Genetics, Department of Biostatistics, University of Michigan, Ann Arbor, Michigan 48109, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20686565" target="_blank"〉PubMed〈/a〉
    Keywords: African Americans/genetics ; Animals ; Asian Continental Ancestry Group/genetics ; Cholesterol, HDL/blood ; Cholesterol, LDL/blood ; Coronary Artery Disease/blood/genetics/therapy ; Europe/ethnology ; European Continental Ancestry Group/genetics ; Female ; Genetic Loci/*genetics ; *Genome-Wide Association Study ; Genotype ; Humans ; Lipid Metabolism/*genetics ; Lipids/*blood ; Liver/metabolism ; Male ; Mice ; N-Acetylgalactosaminyltransferases/genetics/metabolism ; Phenotype ; Polymorphism, Single Nucleotide/genetics ; Protein Phosphatase 1/genetics/metabolism ; Reproducibility of Results ; Triglycerides/blood
    Print ISSN: 0028-0836
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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    Targeting Bcr-Abl by combining allosteric with ATP-binding-site inhibitors (2010)
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    Publication Date: 2010-01-15
    Description: In an effort to find new pharmacological modalities to overcome resistance to ATP-binding-site inhibitors of Bcr-Abl, we recently reported the discovery of GNF-2, a selective allosteric Bcr-Abl inhibitor. Here, using solution NMR, X-ray crystallography, mutagenesis and hydrogen exchange mass spectrometry, we show that GNF-2 binds to the myristate-binding site of Abl, leading to changes in the structural dynamics of the ATP-binding site. GNF-5, an analogue of GNF-2 with improved pharmacokinetic properties, when used in combination with the ATP-competitive inhibitors imatinib or nilotinib, suppressed the emergence of resistance mutations in vitro, displayed additive inhibitory activity in biochemical and cellular assays against T315I mutant human Bcr-Abl and displayed in vivo efficacy against this recalcitrant mutant in a murine bone-marrow transplantation model. These results show that therapeutically relevant inhibition of Bcr-Abl activity can be achieved with inhibitors that bind to the myristate-binding site and that combining allosteric and ATP-competitive inhibitors can overcome resistance to either agent alone.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2901986/" 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/PMC2901986/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Zhang, Jianming -- Adrian, Francisco J -- Jahnke, Wolfgang -- Cowan-Jacob, Sandra W -- Li, Allen G -- Iacob, Roxana E -- Sim, Taebo -- Powers, John -- Dierks, Christine -- Sun, Fangxian -- Guo, Gui-Rong -- Ding, Qiang -- Okram, Barun -- Choi, Yongmun -- Wojciechowski, Amy -- Deng, Xianming -- Liu, Guoxun -- Fendrich, Gabriele -- Strauss, Andre -- Vajpai, Navratna -- Grzesiek, Stephan -- Tuntland, Tove -- Liu, Yi -- Bursulaya, Badry -- Azam, Mohammad -- Manley, Paul W -- Engen, John R -- Daley, George Q -- Warmuth, Markus -- Gray, Nathanael S -- R01 CA130876/CA/NCI NIH HHS/ -- R01 CA130876-03/CA/NCI NIH HHS/ -- England -- Nature. 2010 Jan 28;463(7280):501-6. doi: 10.1038/nature08675. Epub 2010 Jan 13.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Dana-Farber Cancer Institute, Harvard Medical School, Department of Cancer Biology, Seeley G. Mudd Building 628, Boston, Massachusetts 02115, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20072125" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antineoplastic Agents/*chemistry/metabolism/*pharmacology ; Antineoplastic Combined Chemotherapy Protocols ; Benzamides ; Binding Sites ; Bone Marrow Transplantation ; Cell Line, Tumor ; Crystallization ; Disease Models, Animal ; Drug Resistance, Neoplasm/*drug effects ; Female ; Fusion Proteins, bcr-abl/*chemistry/genetics/metabolism ; Humans ; Imatinib Mesylate ; Inhibitory Concentration 50 ; Leukemia, Myelogenous, Chronic, BCR-ABL Positive/drug ; therapy/enzymology/*metabolism ; Male ; Mass Spectrometry ; Mice ; Models, Molecular ; Mutation/genetics ; Piperazines/chemistry/pharmacology ; Protein Structure, Tertiary ; Pyrimidines/chemistry/metabolism/pharmacology ; Transplantation, Heterologous
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    Conversion of adult pancreatic alpha-cells to beta-cells after extreme beta-cell loss (2010)
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    Publication Date: 2010-04-07
    Description: Pancreatic insulin-producing beta-cells have a long lifespan, such that in healthy conditions they replicate little during a lifetime. Nevertheless, they show increased self-duplication after increased metabolic demand or after injury (that is, beta-cell loss). It is not known whether adult mammals can differentiate (regenerate) new beta-cells after extreme, total beta-cell loss, as in diabetes. This would indicate differentiation from precursors or another heterologous (non-beta-cell) source. Here we show beta-cell regeneration in a transgenic model of diphtheria-toxin-induced acute selective near-total beta-cell ablation. If given insulin, the mice survived and showed beta-cell mass augmentation with time. Lineage-tracing to label the glucagon-producing alpha-cells before beta-cell ablation tracked large fractions of regenerated beta-cells as deriving from alpha-cells, revealing a previously disregarded degree of pancreatic cell plasticity. Such inter-endocrine spontaneous adult cell conversion could be harnessed towards methods of producing beta-cells for diabetes therapies, either in differentiation settings in vitro or in induced regeneration.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2877635/" 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/PMC2877635/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Thorel, Fabrizio -- Nepote, Virginie -- Avril, Isabelle -- Kohno, Kenji -- Desgraz, Renaud -- Chera, Simona -- Herrera, Pedro L -- U01 DK072522/DK/NIDDK NIH HHS/ -- U01 DK072522-01/DK/NIDDK NIH HHS/ -- U01 DK072522-02/DK/NIDDK NIH HHS/ -- U01 DK072522-03/DK/NIDDK NIH HHS/ -- U01 DK072522-04/DK/NIDDK NIH HHS/ -- U01 DK072522-05/DK/NIDDK NIH HHS/ -- England -- Nature. 2010 Apr 22;464(7292):1149-54. doi: 10.1038/nature08894. Epub 2010 Apr 4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Cell Physiology & Metabolism, University of Geneva Faculty of Medicine, 1 rue Michel-Servet, CH-1211 Geneva 4, Switzerland.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20364121" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Biomarkers/metabolism ; Cell Count ; Cell Death/drug effects ; Cell Differentiation/*physiology ; Cell Lineage ; Cell Proliferation ; Cell Transdifferentiation/*physiology ; Cellular Reprogramming ; Diphtheria Toxin/pharmacology/toxicity ; Female ; Glucagon/biosynthesis/genetics/secretion ; Glucagon-Secreting Cells/*cytology/metabolism/secretion ; Humans ; Insulin/biosynthesis/pharmacology/secretion ; Insulin-Secreting Cells/*cytology/drug effects/metabolism/secretion ; Male ; Mice ; Mice, Transgenic ; Rats ; Regeneration/physiology
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    Ecology: A world without mosquitoes (2010)
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    Publication Date: 2010-07-24
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Fang, Janet -- England -- Nature. 2010 Jul 22;466(7305):432-4. doi: 10.1038/466432a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20651669" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Arctic Regions ; *Biodiversity ; Biomass ; Birds/physiology ; Culicidae/classification/growth & development/parasitology/*physiology ; Female ; *Food Chain ; Forecasting ; Humans ; Insect Vectors/parasitology/*physiology ; Larva/physiology ; Male ; *Models, Biological ; Plants/metabolism ; Pollination/physiology ; Population Density
    Print ISSN: 0028-0836
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    Ground truth is the test that counts (2010)
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    Publication Date: 2010-10-12
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Nonacs, Peter -- England -- Nature. 2010 Oct 7;467(7316):661. doi: 10.1038/467661c.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20930828" target="_blank"〉PubMed〈/a〉
    Keywords: *Altruism ; Animals ; *Biological Evolution ; Cooperative Behavior ; Female ; Male ; Mathematics ; *Models, Biological ; Selection, Genetic
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    Somatic sex identity is cell autonomous in the chicken (2010)
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    Publication Date: 2010-03-12
    Description: In the mammalian model of sex determination, embryos are considered to be sexually indifferent until the transient action of a sex-determining gene initiates gonadal differentiation. Although this model is thought to apply to all vertebrates, this has yet to be established. Here we have examined three lateral gynandromorph chickens (a rare, naturally occurring phenomenon in which one side of the animal appears male and the other female) to investigate the sex-determining mechanism in birds. These studies demonstrated that gynandromorph birds are genuine male:female chimaeras, and indicated that male and female avian somatic cells may have an inherent sex identity. To test this hypothesis, we transplanted presumptive mesoderm between embryos of reciprocal sexes to generate embryos containing male:female chimaeric gonads. In contrast to the outcome for mammalian mixed-sex chimaeras, in chicken mixed-sex chimaeras the donor cells were excluded from the functional structures of the host gonad. In an example where female tissue was transplanted into a male host, donor cells contributing to the developing testis retained a female identity and expressed a marker of female function. Our study demonstrates that avian somatic cells possess an inherent sex identity and that, in birds, sexual differentiation is substantively cell autonomous.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3925877/" 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/PMC3925877/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Zhao, D -- McBride, D -- Nandi, S -- McQueen, H A -- McGrew, M J -- Hocking, P M -- Lewis, P D -- Sang, H M -- Clinton, M -- BB/E011276/2/Biotechnology and Biological Sciences Research Council/United Kingdom -- BB/E015425/1/Biotechnology and Biological Sciences Research Council/United Kingdom -- BB/H012486/1/Biotechnology and Biological Sciences Research Council/United Kingdom -- BBE0154251/Biotechnology and Biological Sciences Research Council/United Kingdom -- England -- Nature. 2010 Mar 11;464(7286):237-42. doi: 10.1038/nature08852.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Division of Developmental Biology, The Roslin Institute and Royal (Dick) School of Veterinary Studies, University of Edinburgh, Roslin, Midlothian EH25 9PS, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20220842" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Cell Physiological Phenomena ; Chick Embryo ; Chickens/genetics/*physiology ; Chimera/genetics/physiology ; Female ; Gonadal Hormones/metabolism ; Male ; Sex Characteristics ; Sex Differentiation/genetics/*physiology
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    Microscopy: A new phase for X-ray imaging (2010)
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    Publication Date: 2010-09-25
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Chapman, Henry N -- England -- Nature. 2010 Sep 23;467(7314):409-10. doi: 10.1038/467409a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20864990" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Bone and Bones/*cytology/*radiography ; Female ; History, 19th Century ; History, 21st Century ; Humans ; Imaging, Three-Dimensional/*methods ; Mice ; Microscopy/history/*methods ; Nanotechnology/*methods ; Tomography, X-Ray Computed/*methods
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    Control of cortical GABA circuitry development by Nrg1 and ErbB4 signalling (2010)
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    Publication Date: 2010-04-16
    Description: Schizophrenia is a complex disorder that interferes with the function of several brain systems required for cognition and normal social behaviour. Although the most notable clinical aspects of the disease only become apparent during late adolescence or early adulthood, many lines of evidence suggest that schizophrenia is a neurodevelopmental disorder with a strong genetic component. Several independent studies have identified neuregulin 1 (NRG1) and its receptor ERBB4 as important risk genes for schizophrenia, although their precise role in the disease process remains unknown. Here we show that Nrg1 and ErbB4 signalling controls the development of inhibitory circuitries in the mammalian cerebral cortex by cell-autonomously regulating the connectivity of specific GABA (gamma-aminobutyric acid)-containing interneurons. In contrast to the prevalent view, which supports a role for these genes in the formation and function of excitatory synapses between pyramidal cells, we found that ErbB4 expression in the mouse neocortex and hippocampus is largely confined to certain classes of interneurons. In particular, ErbB4 is expressed by many parvalbumin-expressing chandelier and basket cells, where it localizes to axon terminals and postsynaptic densities receiving glutamatergic input. Gain- and loss-of-function experiments, both in vitro and in vivo, demonstrate that ErbB4 cell-autonomously promotes the formation of axo-axonic inhibitory synapses over pyramidal cells, and that this function is probably mediated by Nrg1. In addition, ErbB4 expression in GABA-containing interneurons regulates the formation of excitatory synapses onto the dendrites of these cells. By contrast, ErbB4 is dispensable for excitatory transmission between pyramidal neurons. Altogether, our results indicate that Nrg1 and ErbB4 signalling is required for the wiring of GABA-mediated circuits in the postnatal cortex, providing a new perspective to the involvement of these genes in the aetiology of schizophrenia.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Fazzari, Pietro -- Paternain, Ana V -- Valiente, Manuel -- Pla, Ramon -- Lujan, Rafael -- Lloyd, Kent -- Lerma, Juan -- Marin, Oscar -- Rico, Beatriz -- England -- Nature. 2010 Apr 29;464(7293):1376-80. doi: 10.1038/nature08928. Epub 2010 Apr 14.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Instituto de Neurociencias, Consejo Superior de Investigaciones Cientificas & Universidad Miguel Hernandez, 03550 Sant Joan d'Alacant, Spain.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20393464" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Differentiation ; Cerebral Cortex/cytology/embryology/growth & development/*metabolism ; Dendrites/metabolism ; Embryo, Mammalian ; Excitatory Postsynaptic Potentials/genetics/physiology ; Female ; In Vitro Techniques ; Interneurons/*metabolism ; Mice ; Neural Inhibition/genetics/physiology ; Neural Pathways/*physiology ; Neuregulin-1/*metabolism ; Pyramidal Cells/metabolism ; Receptor, Epidermal Growth Factor/deficiency/genetics/*metabolism ; Receptor, ErbB-4 ; Schizophrenia/genetics/metabolism ; *Signal Transduction ; Synapses/metabolism ; gamma-Aminobutyric Acid/*metabolism
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    Gender agenda: let's track women's trial participation (2010)
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    Publication Date: 2010-06-26
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ballantyne, Angela -- Rogers, Wendy -- England -- Nature. 2010 Jun 24;465(7301):1005. doi: 10.1038/4651005d.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20577186" target="_blank"〉PubMed〈/a〉
    Keywords: Bias (Epidemiology) ; Clinical Trials as Topic/*statistics & numerical data ; Female ; Humans ; *Registries ; Sex Characteristics ; Sex Distribution ; *Women's Health
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    N-myristoyltransferase inhibitors as new leads to treat sleeping sickness (2010)
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    Publication Date: 2010-04-03
    Description: African sleeping sickness or human African trypanosomiasis, caused by Trypanosoma brucei spp., is responsible for approximately 30,000 deaths each year. Available treatments for this disease are poor, with unacceptable efficacy and safety profiles, particularly in the late stage of the disease when the parasite has infected the central nervous system. Here we report the validation of a molecular target and the discovery of associated lead compounds with the potential to address this lack of suitable treatments. Inhibition of this target-T. brucei N-myristoyltransferase-leads to rapid killing of trypanosomes both in vitro and in vivo and cures trypanosomiasis in mice. These high-affinity inhibitors bind into the peptide substrate pocket of the enzyme and inhibit protein N-myristoylation in trypanosomes. The compounds identified have promising pharmaceutical properties and represent an opportunity to develop oral drugs to treat this devastating disease. Our studies validate T. brucei N-myristoyltransferase as a promising therapeutic target for human African trypanosomiasis.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2917743/" 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/PMC2917743/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Frearson, Julie A -- Brand, Stephen -- McElroy, Stuart P -- Cleghorn, Laura A T -- Smid, Ondrej -- Stojanovski, Laste -- Price, Helen P -- Guther, M Lucia S -- Torrie, Leah S -- Robinson, David A -- Hallyburton, Irene -- Mpamhanga, Chidochangu P -- Brannigan, James A -- Wilkinson, Anthony J -- Hodgkinson, Michael -- Hui, Raymond -- Qiu, Wei -- Raimi, Olawale G -- van Aalten, Daan M F -- Brenk, Ruth -- Gilbert, Ian H -- Read, Kevin D -- Fairlamb, Alan H -- Ferguson, Michael A J -- Smith, Deborah F -- Wyatt, Paul G -- 077503/Wellcome Trust/United Kingdom -- 077705/Wellcome Trust/United Kingdom -- 085622/Wellcome Trust/United Kingdom -- 087590/Wellcome Trust/United Kingdom -- 1097737/Canadian Institutes of Health Research/Canada -- G0900138/Medical Research Council/United Kingdom -- G0900138(90614)/Medical Research Council/United Kingdom -- WT077503/Wellcome Trust/United Kingdom -- WT077705/Wellcome Trust/United Kingdom -- WT083481,/Wellcome Trust/United Kingdom -- WT085622/Wellcome Trust/United Kingdom -- England -- Nature. 2010 Apr 1;464(7289):728-32. doi: 10.1038/nature08893.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Drug Discovery Unit, Division of Biological Chemistry and Drug Discovery, University of Dundee, Dundee DD1 5EH, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20360736" target="_blank"〉PubMed〈/a〉
    Keywords: Acyltransferases/*antagonists & inhibitors/metabolism ; Aminopyridines/chemistry/metabolism/pharmacology/therapeutic use ; Animals ; Antiparasitic Agents/chemistry/metabolism/*pharmacology/*therapeutic use ; Enzyme Assays ; Enzyme Inhibitors/chemistry/metabolism/pharmacology/therapeutic use ; Female ; Humans ; Mice ; Molecular Structure ; Pyrazoles/chemistry/metabolism/pharmacology/therapeutic use ; Rats ; Sulfonamides/chemistry/metabolism/pharmacology/therapeutic use ; Time Factors ; Trypanosoma brucei brucei/*drug effects/*enzymology/growth & development ; Trypanosomiasis, African/*drug therapy/*parasitology
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    A role for the elongator complex in zygotic paternal genome demethylation (2010)
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    Publication Date: 2010-01-08
    Description: The life cycle of mammals begins when a sperm enters an egg. Immediately after fertilization, both the maternal and paternal genomes undergo dramatic reprogramming to prepare for the transition from germ cell to somatic cell transcription programs. One of the molecular events that takes place during this transition is the demethylation of the paternal genome. Despite extensive efforts, the factors responsible for paternal DNA demethylation have not been identified. To search for such factors, we developed a live cell imaging system that allows us to monitor the paternal DNA methylation state in zygotes. Through short-interfering-RNA-mediated knockdown in mouse zygotes, we identified Elp3 (also called KAT9), a component of the elongator complex, to be important for paternal DNA demethylation. We demonstrate that knockdown of Elp3 impairs paternal DNA demethylation as indicated by reporter binding, immunostaining and bisulphite sequencing. Similar results were also obtained when other elongator components, Elp1 and Elp4, were knocked down. Importantly, injection of messenger RNA encoding the Elp3 radical SAM domain mutant, but not the HAT domain mutant, into MII oocytes before fertilization also impaired paternal DNA demethylation, indicating that the SAM radical domain is involved in the demethylation process. Our study not only establishes a critical role for the elongator complex in zygotic paternal genome demethylation, but also indicates that the demethylation process may be mediated through a reaction that requires an intact radical SAM domain.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2834414/" 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/PMC2834414/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Okada, Yuki -- Yamagata, Kazuo -- Hong, Kwonho -- Wakayama, Teruhiko -- Zhang, Yi -- R01 GM068804/GM/NIGMS NIH HHS/ -- R01 GM068804-07/GM/NIGMS NIH HHS/ -- Howard Hughes Medical Institute/ -- England -- Nature. 2010 Jan 28;463(7280):554-8. doi: 10.1038/nature08732. Epub 2010 Jan 6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Howard Hughes Medical Institute, Chapel Hill, North Carolina 27599-7295, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20054296" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Line ; Cells, Cultured ; *DNA Methylation ; Embryonic Development/*genetics ; Female ; Gene Knockdown Techniques ; Genome/*genetics ; Histone Acetyltransferases/*metabolism ; Male ; Mice ; Mice, Inbred C57BL ; Mutation/genetics ; Protein Structure, Tertiary/genetics ; Zygote/*metabolism
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    AIDS research must link to local policy (2010)
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    Publication Date: 2010-02-12
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Karim, Salim S Abdool -- Karim, Quarraisha Abdool -- England -- Nature. 2010 Feb 11;463(7282):733-4. doi: 10.1038/463733a.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Centre for the AIDS Programme of Research in South Africa, University of KwaZulu-Natal, Congella 4013, South Africa.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20148015" target="_blank"〉PubMed〈/a〉
    Keywords: Biomedical Research/economics/*organization & administration/*trends ; Community Networks/economics/*organization & administration/*trends ; Evidence-Based Medicine/trends ; Female ; HIV Infections/economics/*epidemiology/prevention & control/transmission ; Humans ; Infant, Newborn ; Infectious Disease Transmission, Vertical/prevention & control ; Internationality ; Politics ; Public Health/economics/methods/*trends ; South Africa/epidemiology
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    Developmental genetics: Time for teeth (2010)
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    Publication Date: 2010-03-06
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Shadan, Sadaf -- England -- Nature. 2010 Mar 4;464(7285):43. doi: 10.1038/464043a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20203600" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Child, Preschool ; Female ; Finland ; Genome-Wide Association Study ; Great Britain ; Humans ; Infant ; Male ; Polymorphism, Single Nucleotide/*genetics ; Time Factors ; *Tooth, Deciduous/*growth & development
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Published by Nature Publishing Group (NPG)
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    Reproductive ageing: Of worms and women (2010)
    Nature Publishing Group (NPG)
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    Publication Date: 2010-11-19
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Flurkey, Kevin -- Harrison, David E -- P30 AG025707/AG/NIA NIH HHS/ -- R01 AG026074/AG/NIA NIH HHS/ -- England -- Nature. 2010 Nov 18;468(7322):386-7. doi: 10.1038/468386a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21085171" target="_blank"〉PubMed〈/a〉
    Keywords: Aging/genetics/*physiology ; Animals ; Caenorhabditis elegans/cytology/embryology/genetics/*physiology ; Caenorhabditis elegans Proteins/genetics/metabolism ; Embryo, Nonmammalian/cytology/embryology ; Female ; Fertility/genetics/*physiology ; Humans ; Insulin/metabolism ; Insulin-Like Growth Factor I/metabolism ; Longevity/genetics/*physiology ; Male ; Maternal Age ; Models, Animal ; Models, Biological ; Oocytes/growth & development/*physiology ; Receptor, Insulin/genetics/metabolism ; Signal Transduction/genetics/physiology ; Transforming Growth Factor beta/metabolism
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Published by Nature Publishing Group (NPG)
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    Genome-wide erasure of DNA methylation in mouse primordial germ cells is affected by AID deficiency (2010)
    Nature Publishing Group (NPG)
    Details
    Publication Date: 2010-01-26
    Description: Epigenetic reprogramming including demethylation of DNA occurs in mammalian primordial germ cells (PGCs) and in early embryos, and is important for the erasure of imprints and epimutations, and the return to pluripotency. The extent of this reprogramming and its molecular mechanisms are poorly understood. We previously showed that the cytidine deaminases AID and APOBEC1 can deaminate 5-methylcytosine in vitro and in Escherichia coli, and in the mouse are expressed in tissues in which demethylation occurs. Here we profiled DNA methylation throughout the genome by unbiased bisulphite next generation sequencing in wild-type and AID-deficient mouse PGCs at embryonic day (E)13.5. Wild-type PGCs revealed marked genome-wide erasure of methylation to a level below that of methylation deficient (Np95(-/-), also called Uhrf1(-/-)) embryonic stem cells, with female PGCs being less methylated than male ones. By contrast, AID-deficient PGCs were up to three times more methylated than wild-type ones; this substantial difference occurred throughout the genome, with introns, intergenic regions and transposons being relatively more methylated than exons. Relative hypermethylation in AID-deficient PGCs was confirmed by analysis of individual loci in the genome. Our results reveal that erasure of DNA methylation in the germ line is a global process, hence limiting the potential for transgenerational epigenetic inheritance. AID deficiency interferes with genome-wide erasure of DNA methylation patterns, indicating that AID has a critical function in epigenetic reprogramming and potentially in restricting the inheritance of epimutations in mammals.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2965733/" 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/PMC2965733/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Popp, Christian -- Dean, Wendy -- Feng, Suhua -- Cokus, Shawn J -- Andrews, Simon -- Pellegrini, Matteo -- Jacobsen, Steven E -- Reik, Wolf -- G0700098/Medical Research Council/United Kingdom -- R37 GM060398/GM/NIGMS NIH HHS/ -- R37 GM060398-11/GM/NIGMS NIH HHS/ -- Biotechnology and Biological Sciences Research Council/United Kingdom -- Howard Hughes Medical Institute/ -- Medical Research Council/United Kingdom -- England -- Nature. 2010 Feb 25;463(7284):1101-5. doi: 10.1038/nature08829.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratory of Developmental Genetics and Imprinting, The Babraham Institute, Cambridge, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20098412" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cytidine Deaminase/*deficiency/genetics/*metabolism ; *DNA Methylation ; DNA Transposable Elements/genetics ; Embryo, Mammalian/cytology/embryology/metabolism ; Epigenesis, Genetic/genetics ; Exons/genetics ; Female ; *Genome/genetics ; Germ Cells/enzymology/*metabolism ; Introns/genetics ; Male ; Mice ; Mice, Inbred C57BL ; Nuclear Proteins/deficiency/genetics ; Octamer Transcription Factor-3/genetics
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Published by Nature Publishing Group (NPG)
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