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  • Mice, Inbred C57BL  (19)
  • ASTROPHYSICS
  • Life and Medical Sciences
  • Lunar and Planetary Science and Exploration
  • American Association for the Advancement of Science (AAAS)  (19)
  • 2010-2014  (19)
  • 1950-1954
  • 1930-1934
  • 2013  (19)
  • 1933
  • 1932
  • 1930
Collection
Keywords
Publisher
Years
  • 2010-2014  (19)
  • 1950-1954
  • 1930-1934
Year
  • 1
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    Mucus enhances gut homeostasis and oral tolerance by delivering immunoregulatory signals (2013)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2013-09-28
    Description: A dense mucus layer in the large intestine prevents inflammation by shielding the underlying epithelium from luminal bacteria and food antigens. This mucus barrier is organized around the hyperglycosylated mucin MUC2. Here we show that the small intestine has a porous mucus layer, which permitted the uptake of MUC2 by antigen-sampling dendritic cells (DCs). Glycans associated with MUC2 imprinted DCs with anti-inflammatory properties by assembling a galectin-3-Dectin-1-FcgammaRIIB receptor complex that activated beta-catenin. This transcription factor interfered with DC expression of inflammatory but not tolerogenic cytokines by inhibiting gene transcription through nuclear factor kappaB. MUC2 induced additional conditioning signals in intestinal epithelial cells. Thus, mucus does not merely form a nonspecific physical barrier, but also constrains the immunogenicity of gut antigens by delivering tolerogenic signals.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4005805/" 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/PMC4005805/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Shan, Meimei -- Gentile, Maurizio -- Yeiser, John R -- Walland, A Cooper -- Bornstein, Victor U -- Chen, Kang -- He, Bing -- Cassis, Linda -- Bigas, Anna -- Cols, Montserrat -- Comerma, Laura -- Huang, Bihui -- Blander, J Magarian -- Xiong, Huabao -- Mayer, Lloyd -- Berin, Cecilia -- Augenlicht, Leonard H -- Velcich, Anna -- Cerutti, Andrea -- AI073899/AI/NIAID NIH HHS/ -- AI095245/AI/NIAID NIH HHS/ -- AI57653/AI/NIAID NIH HHS/ -- AI61093/AI/NIAID NIH HHS/ -- AI74378/AI/NIAID NIH HHS/ -- AI95613/AI/NIAID NIH HHS/ -- AI96187/AI/NIAID NIH HHS/ -- DK072201/DK/NIDDK NIH HHS/ -- P01 AI061093/AI/NIAID NIH HHS/ -- P01 DK072201/DK/NIDDK NIH HHS/ -- P60 DK020541/DK/NIDDK NIH HHS/ -- R01 AI057653/AI/NIAID NIH HHS/ -- R01 AI093577/AI/NIAID NIH HHS/ -- U01 AI095613/AI/NIAID NIH HHS/ -- U19 AI096187/AI/NIAID NIH HHS/ -- New York, N.Y. -- Science. 2013 Oct 25;342(6157):447-53. doi: 10.1126/science.1237910. Epub 2013 Sep 26.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Medicine, Immunology Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24072822" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cells, Cultured ; Dendritic Cells/immunology ; Galectin 3/genetics/metabolism ; Glycosylation ; *Homeostasis ; Humans ; Immune Tolerance/genetics/*immunology ; Inflammation/immunology ; Intestinal Mucosa/immunology ; Intestine, Small/*immunology ; Lectins, C-Type/genetics/metabolism ; Mice ; Mice, Inbred C57BL ; Mice, Mutant Strains ; Mouth/*immunology ; Mucin-2/genetics/physiology ; Mucus/*immunology ; NF-kappa B/metabolism ; Receptors, IgG/genetics/metabolism ; Transcription, Genetic ; beta Catenin/metabolism
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 2
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    Gut microbiomes of Malawian twin pairs discordant for kwashiorkor (2013)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2013-02-01
    Description: Kwashiorkor, an enigmatic form of severe acute malnutrition, is the consequence of inadequate nutrient intake plus additional environmental insults. To investigate the role of the gut microbiome, we studied 317 Malawian twin pairs during the first 3 years of life. During this time, half of the twin pairs remained well nourished, whereas 43% became discordant, and 7% manifested concordance for acute malnutrition. Both children in twin pairs discordant for kwashiorkor were treated with a peanut-based, ready-to-use therapeutic food (RUTF). Time-series metagenomic studies revealed that RUTF produced a transient maturation of metabolic functions in kwashiorkor gut microbiomes that regressed when administration of RUTF was stopped. Previously frozen fecal communities from several discordant pairs were each transplanted into gnotobiotic mice. The combination of Malawian diet and kwashiorkor microbiome produced marked weight loss in recipient mice, accompanied by perturbations in amino acid, carbohydrate, and intermediary metabolism that were only transiently ameliorated with RUTF. These findings implicate the gut microbiome as a causal factor in kwashiorkor.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3667500/" 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/PMC3667500/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Smith, Michelle I -- Yatsunenko, Tanya -- Manary, Mark J -- Trehan, Indi -- Mkakosya, Rajhab -- Cheng, Jiye -- Kau, Andrew L -- Rich, Stephen S -- Concannon, Patrick -- Mychaleckyj, Josyf C -- Liu, Jie -- Houpt, Eric -- Li, Jia V -- Holmes, Elaine -- Nicholson, Jeremy -- Knights, Dan -- Ursell, Luke K -- Knight, Rob -- Gordon, Jeffrey I -- DK078669/DK/NIDDK NIH HHS/ -- DK30292/DK/NIDDK NIH HHS/ -- F32 DK091044/DK/NIDDK NIH HHS/ -- P01 DK078669/DK/NIDDK NIH HHS/ -- P30 DK056341/DK/NIDDK NIH HHS/ -- R37 DK030292/DK/NIDDK NIH HHS/ -- T32 HD049338/HD/NICHD NIH HHS/ -- T32-HD049338/HD/NICHD NIH HHS/ -- T35 DK074375/DK/NIDDK NIH HHS/ -- New York, N.Y. -- Science. 2013 Feb 1;339(6119):548-54. doi: 10.1126/science.1229000. Epub 2013 Jan 30.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Center for Genome Sciences and Systems Biology, Washington University in St. Louis, St. Louis, MO 63110, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23363771" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acids/metabolism ; Animals ; Arachis ; Carbohydrate Metabolism ; Child, Preschool ; Diseases in Twins/*microbiology ; Feces/microbiology ; Female ; Gastrointestinal Tract/*microbiology ; Germ-Free Life ; Humans ; Infant ; Kwashiorkor/diet therapy/epidemiology/*microbiology ; Longitudinal Studies ; Malawi/epidemiology ; Male ; *Metagenome ; Mice ; Mice, Inbred C57BL
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 3
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    Cleavage of fibrinogen by proteinases elicits allergic responses through Toll-like receptor 4 (2013)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2013-08-21
    Description: Proteinases and the innate immune receptor Toll-like receptor 4 (TLR4) are essential for expression of allergic inflammation and diseases such as asthma. A mechanism that links these inflammatory mediators is essential for explaining the fundamental basis of allergic disease but has been elusive. Here, we demonstrate that TLR4 is activated by airway proteinase activity to initiate both allergic airway disease and antifungal immunity. These outcomes were induced by proteinase cleavage of the clotting protein fibrinogen, yielding fibrinogen cleavage products that acted as TLR4 ligands on airway epithelial cells and macrophages. Thus, allergic airway inflammation represents an antifungal defensive strategy that is driven by fibrinogen cleavage and TLR4 activation. These findings clarify the molecular basis of allergic disease and suggest new therapeutic strategies.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3898200/" 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/PMC3898200/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Millien, Valentine Ongeri -- Lu, Wen -- Shaw, Joanne -- Yuan, Xiaoyi -- Mak, Garbo -- Roberts, Luz -- Song, Li-Zhen -- Knight, J Morgan -- Creighton, Chad J -- Luong, Amber -- Kheradmand, Farrah -- Corry, David B -- AI057696/AI/NIAID NIH HHS/ -- AI070973/AI/NIAID NIH HHS/ -- CA125123/CA/NCI NIH HHS/ -- HL75243/HL/NHLBI NIH HHS/ -- K02 HL075243/HL/NHLBI NIH HHS/ -- R01 AI057696/AI/NIAID NIH HHS/ -- R01 HL095382/HL/NHLBI NIH HHS/ -- R01 HL117181/HL/NHLBI NIH HHS/ -- R25GM56929/GM/NIGMS NIH HHS/ -- T32 GM088129/GM/NIGMS NIH HHS/ -- T32GM088129/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2013 Aug 16;341(6147):792-6. doi: 10.1126/science.1240342.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Translational Biology and Molecular Medicine Program, Baylor College of Medicine, Houston, TX, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23950537" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Aspergillus niger/growth & development/*immunology ; Aspergillus oryzae/enzymology ; Bronchoalveolar Lavage Fluid/cytology ; Epithelial Cells/immunology/metabolism ; Fibrinogen/*metabolism ; Immunity, Innate ; Ligands ; Macrophage Activation ; Macrophages/immunology/metabolism/microbiology ; Mice ; Mice, Inbred BALB C ; Mice, Inbred C57BL ; Peptide Hydrolases/immunology/*metabolism ; Respiratory Hypersensitivity/*immunology/*metabolism ; Respiratory Mucosa/cytology/immunology/metabolism ; Th2 Cells/immunology ; Toll-Like Receptor 4/genetics/*metabolism
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 4
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    The human language-associated gene SRPX2 regulates synapse formation and vocalization in mice (2013)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2013-11-02
    Description: Synapse formation in the developing brain depends on the coordinated activity of synaptogenic proteins, some of which have been implicated in a number of neurodevelopmental disorders. Here, we show that the sushi repeat-containing protein X-linked 2 (SRPX2) gene encodes a protein that promotes synaptogenesis in the cerebral cortex. In humans, SRPX2 is an epilepsy- and language-associated gene that is a target of the foxhead box protein P2 (FoxP2) transcription factor. We also show that FoxP2 modulates synapse formation through regulating SRPX2 levels and that SRPX2 reduction impairs development of ultrasonic vocalization in mice. Our results suggest FoxP2 modulates the development of neural circuits through regulating synaptogenesis and that SRPX2 is a synaptogenic factor that plays a role in the pathogenesis of language disorders.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3903157/" 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/PMC3903157/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sia, G M -- Clem, R L -- Huganir, R L -- NS050274/NS/NINDS NIH HHS/ -- P30 NS050274/NS/NINDS NIH HHS/ -- P50 MH084020/MH/NIMH NIH HHS/ -- P50MH084020/MH/NIMH NIH HHS/ -- R01 MH095058/MH/NIMH NIH HHS/ -- Howard Hughes Medical Institute/ -- New York, N.Y. -- Science. 2013 Nov 22;342(6161):987-91. doi: 10.1126/science.1245079. Epub 2013 Oct 31.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Howard Hughes Medical Institute, Johns Hopkins University School of Medicine, 725 North Wolfe Street, Baltimore, MD 21205, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24179158" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cerebral Cortex/cytology ; Epilepsy/genetics ; Forkhead Transcription Factors/genetics/*metabolism ; Humans ; *Language ; Language Disorders/*genetics ; Mice ; Mice, Inbred C57BL ; Nerve Tissue Proteins/genetics/*physiology ; Neurons/physiology ; Synapses/*physiology ; Transfection ; *Vocalization, Animal
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 5
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    Gut microbiota from twins discordant for obesity modulate metabolism in mice (2013)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2013-09-07
    Description: The role of specific gut microbes in shaping body composition remains unclear. We transplanted fecal microbiota from adult female twin pairs discordant for obesity into germ-free mice fed low-fat mouse chow, as well as diets representing different levels of saturated fat and fruit and vegetable consumption typical of the U.S. diet. Increased total body and fat mass, as well as obesity-associated metabolic phenotypes, were transmissible with uncultured fecal communities and with their corresponding fecal bacterial culture collections. Cohousing mice harboring an obese twin's microbiota (Ob) with mice containing the lean co-twin's microbiota (Ln) prevented the development of increased body mass and obesity-associated metabolic phenotypes in Ob cage mates. Rescue correlated with invasion of specific members of Bacteroidetes from the Ln microbiota into Ob microbiota and was diet-dependent. These findings reveal transmissible, rapid, and modifiable effects of diet-by-microbiota interactions.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3829625/" 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/PMC3829625/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ridaura, Vanessa K -- Faith, Jeremiah J -- Rey, Federico E -- Cheng, Jiye -- Duncan, Alexis E -- Kau, Andrew L -- Griffin, Nicholas W -- Lombard, Vincent -- Henrissat, Bernard -- Bain, James R -- Muehlbauer, Michael J -- Ilkayeva, Olga -- Semenkovich, Clay F -- Funai, Katsuhiko -- Hayashi, David K -- Lyle, Barbara J -- Martini, Margaret C -- Ursell, Luke K -- Clemente, Jose C -- Van Treuren, William -- Walters, William A -- Knight, Rob -- Newgard, Christopher B -- Heath, Andrew C -- Gordon, Jeffrey I -- DK078669/DK/NIDDK NIH HHS/ -- DK58398/DK/NIDDK NIH HHS/ -- DK70977/DK/NIDDK NIH HHS/ -- F32 DK091044/DK/NIDDK NIH HHS/ -- K01 DK095774/DK/NIDDK NIH HHS/ -- K05 AA017688/AA/NIAAA NIH HHS/ -- P01 DK078669/DK/NIDDK NIH HHS/ -- P30 AG028716/AG/NIA NIH HHS/ -- P30 DK020579/DK/NIDDK NIH HHS/ -- P30 DK056341/DK/NIDDK NIH HHS/ -- P30-AG028716/AG/NIA NIH HHS/ -- R01 DK070977/DK/NIDDK NIH HHS/ -- R01 DK076729/DK/NIDDK NIH HHS/ -- Howard Hughes Medical Institute/ -- New York, N.Y. -- Science. 2013 Sep 6;341(6150):1241214. doi: 10.1126/science.1241214.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Center for Genome Sciences and Systems Biology, Washington University School of Medicine, St. Louis, MO 63108, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24009397" target="_blank"〉PubMed〈/a〉
    Keywords: *Adiposity ; Adult ; Animals ; Bacteroidetes/genetics/*physiology ; Cecum/metabolism/microbiology ; Diet, Fat-Restricted ; Feces/microbiology ; Female ; Gastrointestinal Tract/*microbiology ; Germ-Free Life ; Humans ; Metabolome ; Metagenome/genetics/*physiology ; Mice ; Mice, Inbred C57BL ; Mice, Obese ; Obesity/genetics/*metabolism ; Thinness/microbiology ; Twins ; Weight Gain ; Young Adult
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 6
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    Role of tissue protection in lethal respiratory viral-bacterial coinfection (2013)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2013-04-27
    Description: Secondary bacterial pneumonia leads to increased morbidity and mortality from influenza virus infections. What causes this increased susceptibility, however, is not well defined. Host defense from infection relies not only on immune resistance mechanisms but also on the ability to tolerate a given level of pathogen burden. Failure of either resistance or tolerance can contribute to disease severity, making it hard to distinguish their relative contribution. We employ a coinfection mouse model of influenza virus and Legionella pneumophila in which we can separate resistance and tolerance. We demonstrate that influenza virus can promote susceptibility to lethal bacterial coinfection, even when bacterial infection is controlled by the immune system. We propose that this failure of host defense is due to impaired ability to tolerate tissue damage.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3933032/" 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/PMC3933032/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Jamieson, Amanda M -- Pasman, Lesley -- Yu, Shuang -- Gamradt, Pia -- Homer, Robert J -- Decker, Thomas -- Medzhitov, Ruslan -- AI R01 055502/AI/NIAID NIH HHS/ -- R01 046688/PHS HHS/ -- R01 AI046688/AI/NIAID NIH HHS/ -- R01 AI055502/AI/NIAID NIH HHS/ -- Howard Hughes Medical Institute/ -- New York, N.Y. -- Science. 2013 Jun 7;340(6137):1230-4. doi: 10.1126/science.1233632. Epub 2013 Apr 25.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Howard Hughes Medical Institute and Department of Immunobiology, Yale University School of Medicine, New Haven, CT 06520, USA. amanda_jamieson@brown.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23618765" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Caspase 1 ; Coinfection/*immunology/pathology ; Disease Models, Animal ; Host-Pathogen Interactions/immunology ; Interleukin-1beta/metabolism ; *Legionella pneumophila ; Legionnaires' Disease/*immunology/pathology ; Lung/microbiology/pathology/virology ; Mice ; Mice, Inbred C57BL ; *Orthomyxoviridae ; Orthomyxoviridae Infections/*immunology/pathology ; Pneumonia, Bacterial/*immunology/pathology ; Toll-Like Receptor 2/metabolism ; Toll-Like Receptor 3/metabolism ; Toll-Like Receptor 4/metabolism ; Tumor Necrosis Factor-alpha/metabolism
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 7
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    Interferon-epsilon protects the female reproductive tract from viral and bacterial infection (2013)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2013-03-02
    Description: The innate immune system senses pathogens through pattern-recognition receptors (PRRs) that signal to induce effector cytokines, such as type I interferons (IFNs). We characterized IFN-epsilon as a type I IFN because it signaled via the Ifnar1 and Ifnar2 receptors to induce IFN-regulated genes. In contrast to other type I IFNs, IFN-epsilon was not induced by known PRR pathways; instead, IFN-epsilon was constitutively expressed by epithelial cells of the female reproductive tract (FRT) and was hormonally regulated. Ifn-epsilon-deficient mice had increased susceptibility to infection of the FRT by the common sexually transmitted infections (STIs) herpes simplex virus 2 and Chlamydia muridarum. Thus, IFN-epsilon is a potent antipathogen and immunoregulatory cytokine that may be important in combating STIs that represent a major global health and socioeconomic burden.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3617553/" 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/PMC3617553/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Fung, Ka Yee -- Mangan, Niamh E -- Cumming, Helen -- Horvat, Jay C -- Mayall, Jemma R -- Stifter, Sebastian A -- De Weerd, Nicole -- Roisman, Laila C -- Rossjohn, Jamie -- Robertson, Sarah A -- Schjenken, John E -- Parker, Belinda -- Gargett, Caroline E -- Nguyen, Hong P T -- Carr, Daniel J -- Hansbro, Philip M -- Hertzog, Paul J -- R01 AI053108/AI/NIAID NIH HHS/ -- New York, N.Y. -- Science. 2013 Mar 1;339(6123):1088-92. doi: 10.1126/science.1233321.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Centre for Innate Immunity and Infectious Diseases, Monash Institute of Medical Research, Monash University, Clayton, Victoria, Australia.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23449591" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Line ; Chlamydia Infections/genetics/*immunology ; *Chlamydia muridarum ; Estrogens/administration & dosage/immunology ; Female ; HEK293 Cells ; Herpes Genitalis/genetics/*immunology ; *Herpesvirus 2, Human ; Humans ; Interferons/genetics/*immunology ; Ligands ; Mice ; Mice, Inbred C57BL ; Oligodeoxyribonucleotides/immunology ; Poly I-C/immunology ; Poly dA-dT/immunology ; Toll-Like Receptors/*immunology ; Uterus/immunology ; Vagina/*immunology/microbiology/virology
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 8
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    Sleep drives metabolite clearance from the adult brain (2013)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2013-10-19
    Description: The conservation of sleep across all animal species suggests that sleep serves a vital function. We here report that sleep has a critical function in ensuring metabolic homeostasis. Using real-time assessments of tetramethylammonium diffusion and two-photon imaging in live mice, we show that natural sleep or anesthesia are associated with a 60% increase in the interstitial space, resulting in a striking increase in convective exchange of cerebrospinal fluid with interstitial fluid. In turn, convective fluxes of interstitial fluid increased the rate of beta-amyloid clearance during sleep. Thus, the restorative function of sleep may be a consequence of the enhanced removal of potentially neurotoxic waste products that accumulate in the awake central nervous system.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3880190/" 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/PMC3880190/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Xie, Lulu -- Kang, Hongyi -- Xu, Qiwu -- Chen, Michael J -- Liao, Yonghong -- Thiyagarajan, Meenakshisundaram -- O'Donnell, John -- Christensen, Daniel J -- Nicholson, Charles -- Iliff, Jeffrey J -- Takano, Takahiro -- Deane, Rashid -- Nedergaard, Maiken -- NS028642/NS/NINDS NIH HHS/ -- NS078167/NS/NINDS NIH HHS/ -- NS078304/NS/NINDS NIH HHS/ -- R01 DE022743/DE/NIDCR NIH HHS/ -- R01 NS075177/NS/NINDS NIH HHS/ -- R01 NS078167/NS/NINDS NIH HHS/ -- R01 NS078304/NS/NINDS NIH HHS/ -- New York, N.Y. -- Science. 2013 Oct 18;342(6156):373-7. doi: 10.1126/science.1241224.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Division of Glial Disease and Therapeutics, Center for Translational Neuromedicine, Department of Neurosurgery, University of Rochester Medical Center, Rochester, NY 14642, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24136970" target="_blank"〉PubMed〈/a〉
    Keywords: Adrenergic Antagonists/administration & dosage ; Amyloid beta-Peptides/*metabolism ; Animals ; Brain/*metabolism/physiology ; Cerebral Cortex/metabolism/physiology ; Cerebrospinal Fluid/metabolism ; Diffusion ; Electroencephalography ; Extracellular Space ; Intracellular Space ; Male ; Mice ; Mice, Inbred C57BL ; Neurodegenerative Diseases/*metabolism ; Quaternary Ammonium Compounds/chemistry ; Receptors, Adrenergic/metabolism ; Sleep/*physiology ; Wakefulness/physiology
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 9
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    TH17 cell differentiation is regulated by the circadian clock (2013)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2013-11-10
    Description: Circadian clocks regulate numerous physiological processes that vary across the day-night (diurnal) cycle, but if and how the circadian clock regulates the adaptive immune system is mostly unclear. Interleukin-17-producing CD4(+) T helper (T(H)17) cells are proinflammatory immune cells that protect against bacterial and fungal infections at mucosal surfaces. Their lineage specification is regulated by the orphan nuclear receptor RORgammat. We show that the transcription factor NFIL3 suppresses T(H)17 cell development by directly binding and repressing the Rorgammat promoter. NFIL3 links T(H)17 cell development to the circadian clock network through the transcription factor REV-ERBalpha. Accordingly, TH17 lineage specification varies diurnally and is altered in Rev-erbalpha(-/-) mice. Light-cycle disruption elevated intestinal T(H)17 cell frequencies and increased susceptibility to inflammatory disease. Thus, lineage specification of a key immune cell is under direct circadian control.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4165400/" 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/PMC4165400/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Yu, Xiaofei -- Rollins, Darcy -- Ruhn, Kelly A -- Stubblefield, Jeremy J -- Green, Carla B -- Kashiwada, Masaki -- Rothman, Paul B -- Takahashi, Joseph S -- Hooper, Lora V -- R01 DK070855/DK/NIDDK NIH HHS/ -- Howard Hughes Medical Institute/ -- New York, N.Y. -- Science. 2013 Nov 8;342(6159):727-30. doi: 10.1126/science.1243884.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Immunology, The University of Texas Southwestern Medical Center, Dallas, TX 75390, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24202171" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Basic-Leucine Zipper Transcription Factors/genetics/*metabolism ; CLOCK Proteins/genetics ; Cell Differentiation/*genetics ; Cell Lineage/genetics ; Circadian Clocks/genetics/*immunology ; *Gene Expression Regulation ; Germ-Free Life ; HEK293 Cells ; Humans ; Intestine, Small/immunology/microbiology ; Jurkat Cells ; Mice ; Mice, Inbred C57BL ; Mice, Mutant Strains ; Nuclear Receptor Subfamily 1, Group D, Member 1/genetics/metabolism ; Nuclear Receptor Subfamily 1, Group F, Member 3/*genetics ; Promoter Regions, Genetic ; Th17 Cells/*cytology
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 10
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    Creating a false memory in the hippocampus (2013)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2013-07-28
    Description: Memories can be unreliable. We created a false memory in mice by optogenetically manipulating memory engram-bearing cells in the hippocampus. Dentate gyrus (DG) or CA1 neurons activated by exposure to a particular context were labeled with channelrhodopsin-2. These neurons were later optically reactivated during fear conditioning in a different context. The DG experimental group showed increased freezing in the original context, in which a foot shock was never delivered. The recall of this false memory was context-specific, activated similar downstream regions engaged during natural fear memory recall, and was also capable of driving an active fear response. Our data demonstrate that it is possible to generate an internally represented and behaviorally expressed fear memory via artificial means.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ramirez, Steve -- Liu, Xu -- Lin, Pei-Ann -- Suh, Junghyup -- Pignatelli, Michele -- Redondo, Roger L -- Ryan, Tomas J -- Tonegawa, Susumu -- Howard Hughes Medical Institute/ -- New York, N.Y. -- Science. 2013 Jul 26;341(6144):387-91. doi: 10.1126/science.1239073.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉RIKEN-Massachusetts Institute of Technology Center for Neural Circuit Genetics at the Picower Institute for Learning and Memory, Department of Biology, MIT, Cambridge, MA 02139, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23888038" target="_blank"〉PubMed〈/a〉
    Keywords: Amygdala/physiology ; Animals ; Association ; CA1 Region, Hippocampal/cytology/*physiology ; *Conditioning (Psychology) ; Dentate Gyrus/cytology/*physiology ; Dependovirus/genetics ; Doxycycline/administration & dosage ; Fear ; Genes, fos ; Light ; Memory/*physiology ; Mental Recall/physiology ; Mice ; Mice, Inbred C57BL ; Mice, Transgenic ; Neurons/*physiology ; Optogenetics ; Rhodopsin/genetics/metabolism
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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