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  • 1
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    Regulation of fasted blood glucose by resistin (2004)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2004-02-21
    Description: The association between obesity and diabetes supports an endocrine role for the adipocyte in maintaining glucose homeostasis. Here we report that mice lacking the adipocyte hormone resistin exhibit low blood glucose levels after fasting, due to reduced hepatic glucose production. This is partly mediated by activation of adenosine monophosphate-activated protein kinase and decreased expression of gluconeogenic enzymes in the liver. The data thus support a physiological function for resistin in the maintenance of blood glucose during fasting. Remarkably, lack of resistin diminishes the increase in post-fast blood glucose normally associated with increased weight, suggesting a role for resistin in mediating hyperglycemia associated with obesity.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Banerjee, Ronadip R -- Rangwala, Shamina M -- Shapiro, Jennifer S -- Rich, A Sophie -- Rhoades, Ben -- Qi, Yong -- Wang, Juan -- Rajala, Michael W -- Pocai, Alessandro -- Scherer, Phillipp E -- Steppan, Claire M -- Ahima, Rexford S -- Obici, Silvana -- Rossetti, Luciano -- Lazar, Mitchell A -- NIH T32-GM008216/GM/NIGMS NIH HHS/ -- P01 DK49210/DK/NIDDK NIH HHS/ -- P30 DK19525/DK/NIDDK NIH HHS/ -- P60 DK20541/DK/NIDDK NIH HHS/ -- New York, N.Y. -- Science. 2004 Feb 20;303(5661):1195-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Division of Endocrinology, Diabetes, and Metabolism, Department of Medicine, and The Penn Diabetes Center, 611 CRB, 415 Curie Boulevard, Universityof Pennsylvania School of Medicine, Philadelphia, PA 19104, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/14976316" target="_blank"〉PubMed〈/a〉
    Keywords: AMP-Activated Protein Kinases ; Adipocytes/metabolism ; Animals ; Blood Glucose/*metabolism ; Body Weight ; Diet ; Dietary Fats/administration & dosage ; *Fasting ; Gene Targeting ; Gluconeogenesis ; Glucose Tolerance Test ; Glucose-6-Phosphatase/metabolism ; Homeostasis ; Hormones, Ectopic/administration & dosage/blood/genetics/*physiology ; Insulin/blood ; Liver/metabolism ; Male ; Mice ; Multienzyme Complexes/metabolism ; Obesity/metabolism ; Phosphoenolpyruvate Carboxykinase (GTP)/metabolism ; Protein-Serine-Threonine Kinases/metabolism ; Recombinant Proteins/administration & dosage ; Resistin ; Signal Transduction
    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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  • 2
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    Histone deacetylase 3 coordinates commensal-bacteria-dependent intestinal homeostasis (2013)
    Nature Publishing Group (NPG)
    Details
    Publication Date: 2013-11-05
    Description: The development and severity of inflammatory bowel diseases and other chronic inflammatory conditions can be influenced by host genetic and environmental factors, including signals derived from commensal bacteria. However, the mechanisms that integrate these diverse cues remain undefined. Here we demonstrate that mice with an intestinal epithelial cell (IEC)-specific deletion of the epigenome-modifying enzyme histone deacetylase 3 (HDAC3(DeltaIEC) mice) exhibited extensive dysregulation of IEC-intrinsic gene expression, including decreased basal expression of genes associated with antimicrobial defence. Critically, conventionally housed HDAC3(DeltaIEC) mice demonstrated loss of Paneth cells, impaired IEC function and alterations in the composition of intestinal commensal bacteria. In addition, HDAC3(DeltaIEC) mice showed significantly increased susceptibility to intestinal damage and inflammation, indicating that epithelial expression of HDAC3 has a central role in maintaining intestinal homeostasis. Re-derivation of HDAC3(DeltaIEC) mice into germ-free conditions revealed that dysregulated IEC gene expression, Paneth cell homeostasis and intestinal barrier function were largely restored in the absence of commensal bacteria. Although the specific mechanisms through which IEC-intrinsic HDAC3 expression regulates these complex phenotypes remain to be determined, these data indicate that HDAC3 is a critical factor that integrates commensal-bacteria-derived signals to calibrate epithelial cell responses required to establish normal host-commensal relationships and maintain intestinal homeostasis.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3949438/" 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/PMC3949438/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Alenghat, Theresa -- Osborne, Lisa C -- Saenz, Steven A -- Kobuley, Dmytro -- Ziegler, Carly G K -- Mullican, Shannon E -- Choi, Inchan -- Grunberg, Stephanie -- Sinha, Rohini -- Wynosky-Dolfi, Meghan -- Snyder, Annelise -- Giacomin, Paul R -- Joyce, Karen L -- Hoang, Tram B -- Bewtra, Meenakshi -- Brodsky, Igor E -- Sonnenberg, Gregory F -- Bushman, Frederic D -- Won, Kyoung-Jae -- Lazar, Mitchell A -- Artis, David -- 2-P30 CA016520/CA/NCI NIH HHS/ -- AI061570/AI/NIAID NIH HHS/ -- AI074878/AI/NIAID NIH HHS/ -- AI087990/AI/NIAID NIH HHS/ -- AI095466/AI/NIAID NIH HHS/ -- AI095608/AI/NIAID NIH HHS/ -- AI097333/AI/NIAID NIH HHS/ -- AI102942/AI/NIAID NIH HHS/ -- AI106697/AI/NIAID NIH HHS/ -- DK043806/DK/NIDDK NIH HHS/ -- DP5 OD012116/OD/NIH HHS/ -- DP5OD012116/OD/NIH HHS/ -- F31-GM082187/GM/NIGMS NIH HHS/ -- K08 DK084347/DK/NIDDK NIH HHS/ -- K08 DK093784/DK/NIDDK NIH HHS/ -- K08-DK084347/DK/NIDDK NIH HHS/ -- K08-DK093784/DK/NIDDK NIH HHS/ -- P01 AI106697/AI/NIAID NIH HHS/ -- P30 CA016520/CA/NCI NIH HHS/ -- P30 DK019525/DK/NIDDK NIH HHS/ -- P30-DK050306/DK/NIDDK NIH HHS/ -- P30-DK19525/DK/NIDDK NIH HHS/ -- R01 AI061570/AI/NIAID NIH HHS/ -- R01 AI074878/AI/NIAID NIH HHS/ -- R01 AI095466/AI/NIAID NIH HHS/ -- R01 AI097333/AI/NIAID NIH HHS/ -- R01 AI102942/AI/NIAID NIH HHS/ -- R21 AI083480/AI/NIAID NIH HHS/ -- R21 AI087990/AI/NIAID NIH HHS/ -- R21 AI105346/AI/NIAID NIH HHS/ -- R21-AI105346/AI/NIAID NIH HHS/ -- R37 DK043806/DK/NIDDK NIH HHS/ -- T32-RR007063/RR/NCRR NIH HHS/ -- U01 AI095608/AI/NIAID NIH HHS/ -- England -- Nature. 2013 Dec 5;504(7478):153-7. doi: 10.1038/nature12687. Epub 2013 Nov 3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉1] Department of Microbiology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA [2] Institute for Immunology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA [3] Department of Pathobiology, School of Veterinary Medicine, University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24185009" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Animals ; Bacteria/genetics ; Colitis, Ulcerative/enzymology/genetics/microbiology ; Crohn Disease/enzymology/genetics/microbiology ; Female ; Gene Deletion ; Gene Expression Profiling ; *Gene Expression Regulation ; Histone Deacetylases/genetics/*metabolism ; *Homeostasis ; Humans ; Intestinal Mucosa/*enzymology/pathology ; Intestines/*microbiology ; Male ; Mice ; Mice, Inbred C57BL ; Paneth Cells/cytology/metabolism ; RNA, Ribosomal, 16S/genetics ; Signal Transduction ; *Symbiosis
    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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  • 3
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    Physiology. De-meaning of metabolism (2012)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2012-06-30
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lazar, Mitchell A -- Birnbaum, Morris J -- P01 CA093615/CA/NCI NIH HHS/ -- P01 DK49210/DK/NIDDK NIH HHS/ -- R01 DK056886/DK/NIDDK NIH HHS/ -- New York, N.Y. -- Science. 2012 Jun 29;336(6089):1651-2. doi: 10.1126/science.1221834.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Division of Endocrinology, Diabetes, and Metabolism, Department of Medicine, and The Institute for Diabetes, Obesity, and Metabolism, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA 19104, USA. lazar@mail.med.upenn.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/22745413" target="_blank"〉PubMed〈/a〉
    Keywords: Humans ; Metabolic Diseases/metabolism ; *Metabolism ; Neoplasms/metabolism ; Signal Transduction ; Terminology as Topic
    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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