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  • 1
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1985-02-15
    Description: Extracellular factors from the sea urchin egg induce a change in the electrophoretic mobility of an abundant sperm membrane phosphoprotein. The modified protein was identified as guanylate cyclase. The mobility shift of the cyclase was shown to be associated with a decrease in its enzymatic activity.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ward, G E -- Garbers, D L -- Vacquier, V D -- HD-10254/HD/NICHD NIH HHS/ -- HD-12986/HD/NICHD NIH HHS/ -- New York, N.Y. -- Science. 1985 Feb 15;227(4688):768-70.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2857502" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Enzyme Activation ; Female ; Fertilization ; Guanylate Cyclase/*metabolism ; Male ; Membrane Proteins/metabolism ; Molecular Weight ; Phosphoproteins/metabolism ; Sea Urchins ; Sperm Maturation ; *Sperm-Ovum Interactions ; Spermatozoa/*enzymology
    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
    Publication Date: 1989-12-08
    Description: Vascular endothelial growth factor (VEGF) was purified from media conditioned by bovine pituitary folliculostellate cells (FC). VEGF is a heparin-binding growth factor specific for vascular endothelial cells that is able to induce angiogenesis in vivo. Complementary DNA clones for bovine and human VEGF were isolated from cDNA libraries prepared from FC and HL60 leukemia cells, respectively. These cDNAs encode hydrophilic proteins with sequences related to those of the A and B chains of platelet-derived growth factor. DNA sequencing suggests the existence of several molecular species of VEGF. VEGFs are secreted proteins, in contrast to other endothelial cell mitogens such as acidic or basic fibroblast growth factors and platelet-derived endothelial cell growth factor. Human 293 cells transfected with an expression vector containing a bovine or human VEGF cDNA insert secrete an endothelial cell mitogen that behaves like native VEGF.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Leung, D W -- Cachianes, G -- Kuang, W J -- Goeddel, D V -- Ferrara, N -- New York, N.Y. -- Science. 1989 Dec 8;246(4935):1306-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Molecular Biology, Genetech, South San Francisco, CA 94080.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2479986" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Base Sequence ; Blotting, Northern ; Cattle ; Cell Division ; Cloning, Molecular ; Endothelium, Vascular/*cytology ; Gene Library ; Humans ; Lymphokines/genetics/*physiology/secretion ; Molecular Sequence Data ; Neovascularization, Pathologic/*physiopathology ; Sequence Homology, Nucleic Acid ; Vascular Endothelial Growth Factor A ; Vascular Endothelial Growth Factors
    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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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1988-11-11
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Prochazka, M -- Leiter, E H -- Serreze, D V -- Coleman, D L -- Jackson, R A -- New York, N.Y. -- Science. 1988 Nov 11;242(4880):945.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Jackson Laboratory, Bar Harbor, ME 04609.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3187535" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Crosses, Genetic ; DNA/genetics ; Diabetes Mellitus, Type 1/*genetics ; *Genes, Recessive ; Major Histocompatibility Complex ; Mice ; Recombination, Genetic
    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
    Publication Date: 1988-11-11
    Description: Manganous superoxide dismutase (MnSOD) scavenges potentially toxic superoxide radicals produced in the mitochondria. Tumor necrosis factor-alpha (TNF-alpha) was found to induce the messenger RNA for MnSOD, but not the mRNAs for other antioxidant or mitochondrial enzymes tested. The increase in MnSOD mRNA occurred rapidly and was blocked by actinomycin D, but not by cycloheximide. Induction of MnSOD mRNA was also observed with TNF-beta, interleukin-1 alpha (IL-1 alpha), and IL-1 beta but not with other cytokines or agents tested. TNF-alpha induced MnSOD mRNA in all cell lines and normal cells examined in vitro and in various organs of mice in vivo. These effects of TNF-alpha and IL-1 on target cells may contribute to their reported protective activity against radiation as well as their ability to induce resistance to cell killing induced by the combination of TNF-alpha and cycloheximide.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wong, G H -- Goeddel, D V -- New York, N.Y. -- Science. 1988 Nov 11;242(4880):941-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Molecular Biology, Genentech, San Francisco, CA 94080.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3263703" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Catalase/metabolism ; Cell Line ; Cycloheximide/pharmacology ; Dactinomycin/pharmacology ; Enzyme Induction/drug effects ; Humans ; Interleukin-1/pharmacology ; Kinetics ; Mice ; Mitochondria/enzymology ; RNA, Messenger/biosynthesis ; Rats ; Superoxide Dismutase/*biosynthesis/genetics/metabolism ; Tissue Distribution ; Tumor Necrosis Factor-alpha/*pharmacology
    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
    Publication Date: 1987-07-17
    Description: A polygenic basis for susceptibility to insulin-dependent diabetes in nonobese diabetic (NOD) mice has been established by outcross to a related inbred strain, nonobese normal (NON). Analysis of first and second backcross progeny has shown that at least three recessive genes are required for development of overt diabetes. One, Idd-1s, is tightly linked to the H-2K locus on chromosome 17; another, Idd-2s, is localized proximal to the Thy-1/Alp-1 cluster on chromosome 9. Segregation of a third, Idd-3s, could be shown in a second backcross. Neither Idd-1s nor Idd-2s could individually be identified as the locus controlling insulitis; leukocytic infiltrates in pancreas were common in most asymptomatic BC1 mice. Both F1 and BC1 mice exhibited the unusually high percentage of splenic T lymphocytes characteristic of NOD, suggesting dominant inheritance of this trait. The polygenic control of diabetogenesis in NOD mice, in which a recessive gene linked to the major histocompatibility complex is but one of several controlling loci, suggests that similar polygenic interactions underlie this type of diabetes in humans.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Prochazka, M -- Leiter, E H -- Serreze, D V -- Coleman, D L -- AM 14461/AM/NIADDK NIH HHS/ -- AM 27722/AM/NIADDK NIH HHS/ -- AM 36175/AM/NIADDK NIH HHS/ -- New York, N.Y. -- Science. 1987 Jul 17;237(4812):286-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2885918" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Chromosome Mapping ; Diabetes Mellitus, Type 1/*genetics/immunology ; *Genes, Recessive ; Islets of Langerhans/immunology ; Mice ; Mice, Inbred Strains ; Mice, Mutant Strains ; Polymorphism, Genetic ; Polymorphism, Restriction Fragment Length ; T-Lymphocytes/physiology
    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
    Publication Date: 1986-10-31
    Description: A novel human B-lymphotropic virus (HBLV) was isolated from the peripheral blood leukocytes of six individuals: two HTLV-III seropositive patients from the United States (one with AIDS-related lymphoma and one with dermatopathic lymphadenopathy), three HTLV-III seronegative patients from the United States (one with angioimmunoblastic lymphadenopathy, one with cutaneous T-cell lymphoma, and one with immunoblastic lymphoma), and one HTLV-III seronegative patient with acute lymphocytic leukemia from Jamaica. All six isolates were closely related by antigenic analysis, and sera from all six virus-positive patients reacted immunologically with each virus isolate. In contrast, only four sera from 220 randomly selected healthy donors and none from 12 AIDS patients without associated lymphoma were seropositive. The virus selectively infected freshly isolated human B cells and converted them into large, refractile mono- or binucleated cells with nuclear and cytoplasmic inclusion bodies. HBLV is morphologically similar to viruses of the herpesvirus family but is readily distinguishable from the known human and nonhuman primate herpesviruses by host range, in vitro biological effects, and antigenic features.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Salahuddin, S Z -- Ablashi, D V -- Markham, P D -- Josephs, S F -- Sturzenegger, S -- Kaplan, M -- Halligan, G -- Biberfeld, P -- Wong-Staal, F -- Kramarsky, B -- New York, N.Y. -- Science. 1986 Oct 31;234(4776):596-601.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2876520" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; B-Lymphocytes/microbiology ; Cell Line ; Deltaretrovirus Infections/microbiology ; Fluorescent Antibody Technique ; Haplorhini ; Herpesviridae/*isolation & purification ; Herpesviridae Infections/*microbiology ; Humans ; Lymphoproliferative Disorders/*microbiology ; Microscopy, Electron ; T-Lymphocytes/microbiology
    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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