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  • Humans  (19)
  • Molecular Sequence Data  (17)
  • American Association for the Advancement of Science (AAAS)  (27)
  • American Physical Society (APS)
  • 1990-1994  (27)
Collection
Publisher
  • American Association for the Advancement of Science (AAAS)  (27)
  • American Physical Society (APS)
Years
Year
  • 1
    Publication Date: 1990-11-09
    Description: Cytokine synthesis inhibitory factor (CSIF; interleukin-10), a product of mouse TH2 T cell clones that inhibits synthesis of cytokines by mouse TH1 T cell clones, exhibits extensive sequence similarity to an uncharacterized open reading frame in the Epstein-Barr virus BCRF1. Recombinant BCRF1 protein mimics the activity of interleukin-10, suggesting that BCRF1 may have a role in the interaction of the virus with the host's immune system.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hsu, D H -- de Waal Malefyt, R -- Fiorentino, D F -- Dang, M N -- Vieira, P -- de Vries, J -- Spits, H -- Mosmann, T R -- Moore, K W -- New York, N.Y. -- Science. 1990 Nov 9;250(4982):830-2.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Immunology, DNAX Research Institute, Palo Alto, CA 94304.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2173142" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Line ; DNA, Viral/genetics ; Electrophoresis, Polyacrylamide Gel ; *Gene Expression Regulation, Viral ; Herpesvirus 4, Human/genetics/*immunology ; Humans ; Interleukin-10 ; Interleukins/*biosynthesis ; Killer Cells, Natural/immunology ; Mice ; Radioimmunoprecipitation Assay ; T-Lymphocytes/immunology ; Viral Proteins/genetics/*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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  • 2
    Publication Date: 1994-02-11
    Description: Tumor necrosis factor (TNF), but not lymphotoxin (LT), is directly trypanolytic for salivarian trypanosomes. This activity was not blocked by soluble 55-kilodalton and 75-kilodalton TNF receptors, but was potently inhibited by N,N'-diacetylchitobiose, an oligosaccharide that binds TNF. Comparative sequence analysis of TNF and LT localized the trypanocidal region, and synthetic peptides were trypanolytic. TNF molecules in which the trypanocidal region was mutated or deleted retained tumoricidal activity. Thus, trypanosome-TNF interactions occur via a TNF domain, probably with lectin-like affinity, which is functionally and spatially distinct from the mammalian TNF receptor binding sites.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lucas, R -- Magez, S -- De Leys, R -- Fransen, L -- Scheerlinck, J P -- Rampelberg, M -- Sablon, E -- De Baetselier, P -- New York, N.Y. -- Science. 1994 Feb 11;263(5148):814-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratory of Cellular Immunology, University of Brussels, Sint-Genesius-Rode, Belgium.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8303299" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Base Sequence ; Binding Sites ; *Disaccharides ; Glucans/metabolism/pharmacology ; L Cells (Cell Line) ; Lectins/chemistry/metabolism/*pharmacology ; Lymphotoxin-alpha/pharmacology ; Mice ; Molecular Sequence Data ; Mutation ; Peptide Fragments/chemistry/pharmacology ; Receptors, Tumor Necrosis Factor/metabolism ; Trypanosoma brucei brucei/*drug effects ; Tumor Necrosis Factor-alpha/chemistry/genetics/metabolism/*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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  • 3
    Publication Date: 1991-07-26
    Description: Malignant hyperthermia (MH) causes neurological, liver, and kidney damage and death in humans and major economic losses in the swine industry. A single point mutation in the porcine gene for the skeletal muscle ryanodine receptor (ryr1) was found to be correlated with MH in five major breeds of lean, heavily muscled swine. Haplotyping suggests that the mutation in all five breeds has a common origin. Assuming that this is the causal mutation for MH, the development of a noninvasive diagnostic test will provide the basis for elimination of the MH gene or its controlled inclusion in swine breeding programs.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Fujii, J -- Otsu, K -- Zorzato, F -- de Leon, S -- Khanna, V K -- Weiler, J E -- O'Brien, P J -- MacLennan, D H -- New York, N.Y. -- Science. 1991 Jul 26;253(5018):448-51.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Banting and Best Department of Medical Research, University of Toronto, Ontario, Canada.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1862346" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Base Sequence ; Codon/genetics ; Haplotypes ; Malignant Hyperthermia/genetics/*veterinary ; Molecular Sequence Data ; *Mutation ; Polymerase Chain Reaction ; Polymorphism, Genetic ; Receptors, Cholinergic/*genetics ; Restriction Mapping ; Ryanodine/metabolism ; Ryanodine Receptor Calcium Release Channel ; Species Specificity ; Swine ; Swine Diseases/*genetics
    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: 1991-01-04
    Description: CD40 is a 45- to 50-kilodalton transmembrane glycoprotein expressed on B lymphocytes, epithelial cells, and some carcinoma cell lines. Human resting B lymphocytes entered a state of sustained proliferation when incubated with both the mouse fibroblastic Ltk- cell line that had been transfected with the human Fc receptor (Fc gamma RII/CDw32) and monoclonal antibodies to CD40. In combination with interleukin-4, factor-dependent long-term normal human B cell lines were generated that were consistently negative for Epstein-Barr viral infection. Thus, cross-linking of CD40 is likely to represent an important phenomenon in the clonal expansion of B cells.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Banchereau, J -- de Paoli, P -- Valle, A -- Garcia, E -- Rousset, F -- New York, N.Y. -- Science. 1991 Jan 4;251(4989):70-2.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratory for Immunological Research, Dardilly, France.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1702555" target="_blank"〉PubMed〈/a〉
    Keywords: Antibodies, Monoclonal/*pharmacology ; Antigens, CD/immunology/physiology ; Antigens, CD40 ; Antigens, Differentiation, B-Lymphocyte/immunology/*physiology ; B-Lymphocytes/cytology/*immunology/microbiology ; Cell Division ; Fibroblasts/metabolism ; Herpesvirus 4, Human/growth & development ; Humans ; Interleukin-4/*pharmacology ; Lymphocyte Activation ; Receptors, Fc/genetics/physiology ; Recombinant Proteins/pharmacology ; Transfection
    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: 1992-02-21
    Description: The fms-like tyrosine kinase (Flt) is a transmembrane receptor in the tyrosine kinase family. Expression of flt complementary DNA in COS cells conferred specific, high-affinity binding of vascular endothelial growth factor, also known as vascular permeability factor (VEGF-VPF), a factor that induces vascular permeability when injected in the guinea pig skin and stimulates endothelial cell proliferation. Expression of Flt in Xenopus laevis oocytes caused the oocytes to release calcium in response to VEGF-VPF. These findings show that flt encodes a receptor for VEGF-VPF.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉de Vries, C -- Escobedo, J A -- Ueno, H -- Houck, K -- Ferrara, N -- Williams, L T -- P01 HL-43821/HL/NHLBI NIH HHS/ -- R01 HL-32898/HL/NHLBI NIH HHS/ -- New York, N.Y. -- Science. 1992 Feb 21;255(5047):989-91.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Medicine, University of California, San Francisco 94143.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1312256" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cloning, Molecular ; Cross-Linking Reagents ; Endothelial Growth Factors/*physiology ; Enzyme Activation ; Humans ; In Vitro Techniques ; Lymphokines/*physiology ; Proto-Oncogene Proteins/genetics/*physiology ; Receptors, Cell Surface/*genetics ; Signal Transduction ; Transfection ; Vascular Endothelial Growth Factor A ; Vascular Endothelial Growth Factor Receptor-1 ; Vascular Endothelial Growth Factors ; Xenopus laevis
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    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 6
    Publication Date: 1992-01-17
    Description: Binding of human growth hormone (hGH) to its receptor is required for regulation of normal human growth and development. Examination of the 2.8 angstrom crystal structure of the complex between the hormone and the extracellular domain of its receptor (hGHbp) showed that the complex consists of one molecule of growth hormone per two molecules of receptor. The hormone is a four-helix bundle with an unusual topology. The binding protein contains two distinct domains, similar in some respects to immunoglobulin domains. The relative orientation of these domains differs from that found between constant and variable domains in immunoglobulin Fab fragments. Both hGHbp domains contribute residues that participate in hGH binding. In the complex both receptors donate essentially the same residues to interact with the hormone, even though the two binding sites on hGH have no structural similarity. Generally, the hormone-receptor interfaces match those identified by previous mutational analyses. In addition to the hormone-receptor interfaces, there is also a substantial contact surface between the carboxyl-terminal domains of the receptors. The relative extents of the contact areas support a sequential mechanism for dimerization that may be crucial for signal transduction.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉de Vos, A M -- Ultsch, M -- Kossiakoff, A A -- New York, N.Y. -- Science. 1992 Jan 17;255(5042):306-12.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Protein Engineering, Genentech, Inc., South San Francisco, CA 94080.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1549776" target="_blank"〉PubMed〈/a〉
    Keywords: Binding Sites ; Crystallography ; Growth Hormone/*chemistry/metabolism ; Humans ; Hydrogen Bonding ; Models, Molecular ; Molecular Structure ; Mutation ; Receptors, Somatotropin/*chemistry/metabolism ; Signal Transduction
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  • 7
    Publication Date: 1992-03-20
    Description: The highly symmetric pyruvate dehydrogenase multienzyme complexes have molecular masses ranging from 5 to 10 million daltons. They consist of numerous copies of three different enzymes: pyruvate dehydrogenase, dihydrolipoyl transacetylase, and lipoamide dehydrogenase. The three-dimensional crystal structure of the catalytic domain of Azotobacter vinelandii dihydrolipoyl transacetylase has been determined at 2.6 angstrom (A) resolution. Eight trimers assemble as a hollow truncated cube with an edge of 125 A, forming the core of the multienzyme complex. Coenzyme A must enter the 29 A long active site channel from the inside of the cube, and lipoamide must enter from the outside. The trimer of the catalytic domain of dihydrolipoyl transacetylase has a topology identical to chloramphenicol acetyl transferase. The atomic structure of the 24-subunit cube core provides a framework for understanding all pyruvate dehydrogenase and related multienzyme complexes.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Mattevi, A -- Obmolova, G -- Schulze, E -- Kalk, K H -- Westphal, A H -- de Kok, A -- Hol, W G -- New York, N.Y. -- Science. 1992 Mar 20;255(5051):1544-50.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Chemistry, University of Groningen, The Netherlands.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1549782" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Azotobacter vinelandii/enzymology ; Chloramphenicol O-Acetyltransferase/genetics ; Humans ; Models, Molecular ; Molecular Sequence Data ; Molecular Structure ; Pyruvate Dehydrogenase Complex/*chemistry/genetics ; Sequence Homology, Nucleic Acid
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 8
    Publication Date: 1992-05-08
    Description: Voltage-sensitive sodium channels are responsible for the initiation and propagation of the action potential and therefore are important for neuronal excitability. Complementary DNA clones encoding the beta 1 subunit of the rat brain sodium channel were isolated by a combination of polymerase chain reaction and library screening techniques. The deduced primary structure indicates that the beta 1 subunit is a 22,851-dalton protein that contains a single putative transmembrane domain and four potential extracellular N-linked glycosylation sites, consistent with biochemical data. Northern blot analysis reveals a 1,400-nucleotide messenger RNA in rat brain, heart, skeletal muscle, and spinal cord. Coexpression of beta 1 subunits with alpha subunits increases the size of the peak sodium current, accelerates its inactivation, and shifts the voltage dependence of inactivation to more negative membrane potentials. These results indicate that the beta 1 subunit is crucial in the assembly, expression, and functional modulation of the heterotrimeric complex of the rat brain sodium channel.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Isom, L L -- De Jongh, K S -- Patton, D E -- Reber, B F -- Offord, J -- Charbonneau, H -- Walsh, K -- Goldin, A L -- Catterall, W A -- NS15751/NS/NINDS NIH HHS/ -- NS25704/NS/NINDS NIH HHS/ -- NS26729/NS/NINDS NIH HHS/ -- New York, N.Y. -- Science. 1992 May 8;256(5058):839-42.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Pharmacology, University of Washington, Seattle 98195.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1375395" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Blotting, Northern ; Brain/*physiology ; Cloning, Molecular ; DNA/genetics/isolation & purification ; Female ; Kinetics ; Macromolecular Substances ; Membrane Potentials ; Molecular Sequence Data ; Oocytes/physiology ; Polymerase Chain Reaction/methods ; Protein Conformation ; RNA/genetics/isolation & purification ; RNA, Messenger/genetics ; Rats ; Sodium Channels/*genetics/*physiology ; Voltage-Gated Sodium Channel beta-1 Subunit ; Xenopus
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 9
    Publication Date: 1990-08-17
    Description: In 1988 to 1989, 698 adult cadavers in Abidjan's two largest morgues were studied, representing 38 to 43% of all adult deaths in the city over the study period, and 6 to 7% of annual deaths. Forty-one percent of male and 32% of female cadavers were infected with human immunodeficiency virus (HIV). Fifteen percent of adult male and 13% of adult female annual deaths are due to acquired immunodeficiency syndrome (AIDS). In Abidjan, AIDS is the leading cause of death and years of potential life lost in adult men, followed by unintentional injuries and tuberculosis. In women, AIDS is the second leading cause of death and premature mortality, after deaths related to pregnancy and abortion. AIDS-specific and AIDS-proportional mortality rates may be higher in other African cities where AIDS has been found for a longer time than in Abidjan.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉De Cock, K M -- Barrere, B -- Diaby, L -- Lafontaine, M F -- Gnaore, E -- Porter, A -- Pantobe, D -- Lafontant, G C -- Dago-Akribi, A -- Ette, M -- New York, N.Y. -- Science. 1990 Aug 17;249(4970):793-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Center for Infectious Diseases, Centers for Disease Control, Atlanta, GA 30333.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2167515" target="_blank"〉PubMed〈/a〉
    Keywords: Acquired Immunodeficiency Syndrome/epidemiology/*mortality ; Adolescent ; Adult ; Africa ; Cause of Death ; Cote d'Ivoire ; Female ; HIV Seropositivity ; HIV-1/immunology ; HIV-2/immunology ; Humans ; Male
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 10
    Publication Date: 1990-05-11
    Description: Receptors for immunoglobulin G immune complexes (Fc gamma RII and Fc gamma RIII) are expressed on most hematopoietic cells and show much structural and functional diversity. In order to determine the genetic basis for this diversity, a family of genes encoding the human and mouse receptors was isolated and characterized. Humans have five distinct genes for low-affinity Fc gamma Rs, in contrast to two in the mouse. With the use of yeast artificial chromosomes, the genes encoding the human receptors were oriented and linked, which established the structure of this complex locus. Comparison of the human and mouse genes generated a model for the evolutionary amplification of this locus.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Qiu, W Q -- de Bruin, D -- Brownstein, B H -- Pearse, R -- Ravetch, J V -- GM 36306/GM/NIGMS NIH HHS/ -- GM 39256/GM/NIGMS NIH HHS/ -- K23 AG022476/AG/NIA NIH HHS/ -- R01 AG031171/AG/NIA NIH HHS/ -- New York, N.Y. -- Science. 1990 May 11;248(4956):732-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Division of Molecular Biology, Sloan-Kettering Institute, New York, NY 10021.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2139735" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antigens, Differentiation/*genetics/metabolism ; Base Sequence ; Blotting, Southern ; Exons ; Genome, Human ; Humans ; Immunoglobulin G/metabolism ; Introns ; Mice ; Molecular Sequence Data ; *Multigene Family ; Mutation ; Receptors, Fc/*genetics/metabolism ; Receptors, IgG ; Recombination, Genetic ; Restriction Mapping ; Spleen/immunology
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    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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