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  • 1
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    Impairment of mycobacterial but not viral immunity by a germline human STAT1 mutation (2001)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2001-07-14
    Description: Interferons (IFN) alpha/beta and gamma induce the formation of two transcriptional activators: gamma-activating factor (GAF) and interferon-stimulated gamma factor 3 (ISGF3). We report a natural heterozygous germline STAT1 mutation associated with susceptibility to mycobacterial but not viral disease. This mutation causes a loss of GAF and ISGF3 activation but is dominant for one cellular phenotype and recessive for the other. It impairs the nuclear accumulation of GAF but not of ISGF3 in heterozygous cells stimulated by IFNs. Thus, the antimycobacterial, but not the antiviral, effects of human IFNs are principally mediated by GAF.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Dupuis, S -- Dargemont, C -- Fieschi, C -- Thomassin, N -- Rosenzweig, S -- Harris, J -- Holland, S M -- Schreiber, R D -- Casanova, J L -- New York, N.Y. -- Science. 2001 Jul 13;293(5528):300-3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratoire de Genetique Humaine des Maladies Infectieuses, Universite de Paris Rene Descartes-INSERM UMR550, Faculte de Medecine Necker-Enfants Malades, 75015 Paris, France.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/11452125" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Animals ; Cell Line ; Child ; Child, Preschool ; DNA/metabolism ; DNA-Binding Proteins/genetics/*physiology ; Female ; Fibroblasts/metabolism/virology ; Gene Expression Regulation ; *Germ-Line Mutation ; Humans ; *Immunity/genetics ; Interferon-Stimulated Gene Factor 3 ; Interferon-Stimulated Gene Factor 3, gamma Subunit ; Interferon-alpha/*immunology/metabolism ; Interferon-gamma/*immunology/metabolism ; Janus Kinase 1 ; Mice ; Mycobacterium Infections/genetics/*immunology ; Mycobacterium avium Complex/immunology ; Mycobacterium avium-intracellulare Infection/genetics/immunology ; Mycobacterium bovis ; Pedigree ; Protein Binding ; Protein-Tyrosine Kinases/genetics ; STAT1 Transcription Factor ; Signal Transduction ; Simian virus 40 ; Trans-Activators/genetics/*physiology ; Transcription Factors/physiology ; Virus Diseases/genetics/*immunology
    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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    An internal thermal sensor controlling temperature preference in Drosophila (2008)
    Nature Publishing Group (NPG)
    Details
    Publication Date: 2008-06-13
    Description: Animals from flies to humans are able to distinguish subtle gradations in temperature and show strong temperature preferences. Animals move to environments of optimal temperature and some manipulate the temperature of their surroundings, as humans do using clothing and shelter. Despite the ubiquitous influence of environmental temperature on animal behaviour, the neural circuits and strategies through which animals select a preferred temperature remain largely unknown. Here we identify a small set of warmth-activated anterior cell (AC) neurons located in the Drosophila brain, the function of which is critical for preferred temperature selection. AC neuron activation occurs just above the fly's preferred temperature and depends on dTrpA1, an ion channel that functions as a molecular sensor of warmth. Flies that selectively express dTrpA1 in the AC neurons select normal temperatures, whereas flies in which dTrpA1 function is reduced or eliminated choose warmer temperatures. This internal warmth-sensing pathway promotes avoidance of slightly elevated temperatures and acts together with a distinct pathway for cold avoidance to set the fly's preferred temperature. Thus, flies select a preferred temperature by using a thermal sensing pathway tuned to trigger avoidance of temperatures that deviate even slightly from the preferred temperature. This provides a potentially general strategy for robustly selecting a narrow temperature range optimal for survival.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2730888/" 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/PMC2730888/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hamada, Fumika N -- Rosenzweig, Mark -- Kang, Kyeongjin -- Pulver, Stefan R -- Ghezzi, Alfredo -- Jegla, Timothy J -- Garrity, Paul A -- P01 NS044232/NS/NINDS NIH HHS/ -- P01 NS044232-060002/NS/NINDS NIH HHS/ -- P01 NS044232-070002/NS/NINDS NIH HHS/ -- P30 NS045713/NS/NINDS NIH HHS/ -- P30 NS045713-069006/NS/NINDS NIH HHS/ -- P30 NS045713S10/NS/NINDS NIH HHS/ -- R01 EY013874/EY/NEI NIH HHS/ -- R01 EY013874-06/EY/NEI NIH HHS/ -- R01 EY13874/EY/NEI NIH HHS/ -- R01 MH067284/MH/NIMH NIH HHS/ -- R01 MH067284-05/MH/NIMH NIH HHS/ -- RR16780/RR/NCRR NIH HHS/ -- England -- Nature. 2008 Jul 10;454(7201):217-20. doi: 10.1038/nature07001. Epub 2008 Jun 11.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉National Center for Behavioral Genomics, Volen Center for Complex Systems, Biology Department, Brandeis University MS-008, 415 South Street, Waltham, Massachusetts 02454, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18548007" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Avoidance Learning ; Body Temperature ; Choice Behavior/*physiology ; Drosophila Proteins/genetics/*metabolism ; Drosophila melanogaster/growth & development/*physiology ; Female ; Larva ; Molecular Sequence Data ; Neurons/metabolism ; Oocytes/metabolism ; TRPC Cation Channels/genetics/*metabolism ; *Temperature ; Xenopus laevis
    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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    Progression to diabetes in nonobese diabetic (NOD) mice with transgenic T cell receptors (1993)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1993-02-19
    Description: The T cell receptor (TCR) requirements in the pathogenesis of insulin-dependent diabetes were examined with transgenic NOD mice bearing nondisease-related TCR alpha and beta chains. In both TCR beta and TCR alpha beta transgenic NOD mice the beta chain transgene was expressed by 〉 98% of peripheral T cells. The alpha chain transgene was also highly expressed. Insulitis developed in both sets of transgenic animals with most of the lymphocytes in the lesion expressing the transgenic beta chain and with depletion of the endogenous TCR V beta genes. Nonetheless, NOD animals transgenic for TCR beta and TCR alpha beta developed diabetes similar to controls. Thus, skewing the TCR repertoire did not diminish autoimmune susceptibility in NOD mice.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lipes, M A -- Rosenzweig, A -- Tan, K N -- Tanigawa, G -- Ladd, D -- Seidman, J G -- Eisenbarth, G S -- New York, N.Y. -- Science. 1993 Feb 19;259(5098):1165-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Joslin Diabetes Center, Harvard Medical School, Brigham and Women's Hospital, Boston, MA 02115.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8267690" target="_blank"〉PubMed〈/a〉
    Keywords: Aging/physiology ; Animals ; Base Sequence ; Crosses, Genetic ; Diabetes Mellitus, Type 2/genetics/immunology/*physiopathology ; Female ; Gene Rearrangement, T-Lymphocyte ; Islets of Langerhans/immunology/pathology ; Male ; Mice ; Mice, Inbred NOD/*physiology ; Mice, Transgenic ; Molecular Sequence Data ; Oligodeoxyribonucleotides ; Pancreatic Diseases/genetics/immunology/pathology ; Polymerase Chain Reaction/methods ; Receptors, Antigen, T-Cell, alpha-beta/genetics/*physiology ; T-Lymphocytes/*immunology/pathology
    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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