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  • Articles  (5)
  • Other Sources
  • Mice, Inbred C57BL
  • 2010-2014
  • 1990-1994  (5)
  • 1990  (5)
  • Biology  (5)
  • 1
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    Tolerance in transgenic mice expressing major histocompatibility molecules extrathymically on pancreatic cells (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1990-06-15
    Description: Transgenic mice with defined expression of major histocompatibility complex (MHC) proteins provide novel systems for understanding the fundamental question of T cell tolerance to nonlymphoid self components. The MHC class II I-E and I-A and class I H-2K molecules expressed specifically on pancreatic islet or acinar cells serve as model self antigens. In these systems, transgenic proteins are not detected in the thymus or other lymphoid tissues. Yet mice are tolerant to the pancreatic MHC products in vivo; this tolerance is not induced by clonal deletion. These studies have been aided by monoclonal antibodies specific for I-E-reactive T cells and indicate that clonal anergy may be an important mechanism of tolerance to peripheral proteins.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Burkly, L C -- Lo, D -- Flavell, R A -- New York, N.Y. -- Science. 1990 Jun 15;248(4961):1364-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Biogen Incorporated, 14 Cambridge Center, MA 02142.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1694042" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antigen-Presenting Cells/immunology ; Autoantigens/immunology ; CD4-Positive T-Lymphocytes/immunology ; Clone Cells/immunology ; Epitopes/immunology ; H-2 Antigens/immunology ; Histocompatibility Antigens/*immunology ; Histocompatibility Antigens Class II/immunology ; *Immune Tolerance ; Islets of Langerhans/*immunology ; Mice ; Mice, Inbred C57BL ; Mice, Transgenic ; Receptors, Antigen, T-Cell/immunology ; T-Lymphocytes/*immunology ; T-Lymphocytes, Regulatory/immunology ; Thymus Gland/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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    A dominant mutation that predisposes to multiple intestinal neoplasia in the mouse (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1990-01-19
    Description: In a pedigree derived from a mouse treated with the mutagen ethylnitrosourea, a mutation has been identified that predisposes to spontaneous intestinal cancer. The mutant gene was found to be dominantly expressed and fully penetrant. Affected mice developed multiple adenomas throughout the entire intestinal tract at an early age.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Moser, A R -- Pitot, H C -- Dove, W F -- CA07175/CA/NCI NIH HHS/ -- CA50585/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1990 Jan 19;247(4940):322-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉McArdle Laboratory for Cancer Research, University of Wisconsin-Madison 53706.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2296722" target="_blank"〉PubMed〈/a〉
    Keywords: Adenoma/complications/*genetics ; Alleles ; Anemia/complications/genetics ; Animals ; Ethylnitrosourea ; Female ; Intestinal Neoplasms/complications/*genetics/pathology ; Male ; Mice ; Mice, Inbred AKR ; Mice, Inbred C57BL ; Mice, Mutant Strains ; *Mutation
    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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  • 3
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    Shared actions of endotoxin and taxol on TNF receptors and TNF release (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1990-04-20
    Description: Bacterial lipopolysaccharide (LPS) exerts profound effects on mammalian hosts in part by inducing macrophages to release tumor necrosis factor-alpha (TNF-alpha); the mechanisms involved are unresolved. The microtubule stabilizer taxol shared two actions of LPS on macrophages: it rapidly decreased TNF-alpha receptors and triggered TNF-alpha release. Both actions of taxol were absent in LPS-hyporesponsive C3H/HeJ mice. In recombinant inbred mice, the genes controlling responses to LPS and to taxol were closely linked. Dexamethasone blocked release of TNF-alpha by both stimuli but did not block the decrease in TNF-alpha receptors. Thus, a protein associated with microtubules may be a cellular target of LPS.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ding, A H -- Porteu, F -- Sanchez, E -- Nathan, C F -- CA-43610/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1990 Apr 20;248(4953):370-2.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Medicine, Cornell University Medical College, New York, NY 10021.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1970196" target="_blank"〉PubMed〈/a〉
    Keywords: Alkaloids/*pharmacology ; Animals ; Crosses, Genetic ; Dexamethasone/pharmacology ; Lipopolysaccharides/*pharmacology ; Macrophages/*drug effects/metabolism ; Mice ; Mice, Inbred C3H ; Mice, Inbred C57BL ; Mice, Mutant Strains ; Paclitaxel ; Receptors, Cell Surface/*drug effects/metabolism ; Receptors, Tumor Necrosis Factor ; 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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  • 4
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    Inhibition of T cell receptor expression and function in immature CD4+CD8+ cells by CD4 (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1990-09-28
    Description: Most immature CD4+CD8+ thymocytes express only a small number of T cell receptor (TCR) molecules on their surface, and the TCR molecules they do express are only marginally capable of transducing intracellular signals. TCR expression and function was not intrinsically low in immature CD4+CD8+ thymocytes, but was found to be actively inhibited by CD4-mediated signals. Indeed, release of CD4+CD8+ thymocytes from CD4-mediated signals resulted in significant increases in both TCR expression and signaling function. These results suggest that, in CD4+CD8+ cells developing in the thymus, increased TCR expression and function requires release from CD4-mediated inhibition.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Nakayama, T -- June, C H -- Munitz, T I -- Sheard, M -- McCarthy, S A -- Sharrow, S O -- Samelson, L E -- Singer, A -- New York, N.Y. -- Science. 1990 Sep 28;249(4976):1558-61.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Experimental Immunology Branch, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2120773" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antibodies, Monoclonal/immunology ; Antigens, CD4/*immunology ; Antigens, CD8 ; Antigens, Differentiation, T-Lymphocyte/*immunology ; Cell Membrane/immunology ; Cells, Cultured ; Histocompatibility Antigens Class II/immunology ; Mice ; Mice, Inbred C57BL ; Receptors, Antigen, T-Cell/biosynthesis/*physiology ; T-Lymphocytes/*immunology
    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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    Regulation of alloreactivity in vivo by a soluble form of the interleukin-1 receptor (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1990-05-11
    Description: In vitro studies have shown that cytokines are involved in the regulation of the immune response, but their role in vivo is less well defined. Specific cytokine antagonists enable the identification of particular cytokines involved in the response and offer a means for modifying it. Systemic administration of a soluble, extracellular portion of the receptor for interleukin-1 (sIL-1R) had profound inhibitory effects on the development of in vivo alloreactivity. Survival of heterotopic heart allografts was prolonged from 12 days in controls to 17 days in mice treated with sIL-1R. Lymph node hyperplasia in response to a localized injection of allogeneic cells was completely blocked by sIL-1R treatment. The inhibition was overcome by simultaneous administration of interleukin-1 (IL-1); thus, sIL-1R acts by neutralizing IL-1. These results implicate IL-1 as a regulator of allograft rejection and demonstrate the in vivo biological efficacy of a soluble cytokine receptor.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Fanslow, W C -- Sims, J E -- Sassenfeld, H -- Morrissey, P J -- Gillis, S -- Dower, S K -- Widmer, M B -- New York, N.Y. -- Science. 1990 May 11;248(4956):739-42.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Immunex Corporation, Seattle, WA 98101.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2139736" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Animals, Newborn ; Graft Rejection ; *Graft Survival ; H-2 Antigens/immunology ; Heart Transplantation/*immunology ; Immunosuppression ; Interleukin-1/*immunology ; Mice ; Mice, Inbred BALB C ; Mice, Inbred C57BL ; Receptors, Antigen, T-Cell/immunology ; Receptors, Immunologic/*immunology ; Receptors, Interleukin-1 ; Transplantation, Heterotopic ; Transplantation, Homologous
    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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