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  • Humans  (31)
  • Adult  (3)
  • American Association for the Advancement of Science (AAAS)  (31)
  • American Geophysical Union (AGU)
  • Oxford University Press
  • 1990-1994  (31)
Collection
Publisher
  • American Association for the Advancement of Science (AAAS)  (31)
  • American Geophysical Union (AGU)
  • Oxford University Press
Years
Year
  • 1
    Publication Date: 1993-08-27
    Description: Plasmodium vivax and P. falciparum are the major causes of human malaria, except in sub-Saharan Africa where people lack the Duffy blood group antigen, the erythrocyte receptor for P. vivax. Duffy negative human erythrocytes are resistant to invasion by P. vivax and the related monkey malaria, P. knowlesi. Several lines of evidence in the present study indicate that the Duffy blood group antigen is the erythrocyte receptor for the chemokines interleukin-8 (IL-8) and melanoma growth stimulatory activity (MGSA). First, IL-8 binds minimally to Duffy negative erythrocytes. Second, a monoclonal antibody to the Duffy blood group antigen blocked binding of IL-8 and other chemokines to Duffy positive erythrocytes. Third, both MGSA and IL-8 blocked the binding of the parasite ligand and the invasion of human erythrocytes by P. knowlesi, suggesting the possibility of receptor blockade for anti-malarial therapy.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Horuk, R -- Chitnis, C E -- Darbonne, W C -- Colby, T J -- Rybicki, A -- Hadley, T J -- Miller, L H -- HL 41382/HL/NHLBI NIH HHS/ -- New York, N.Y. -- Science. 1993 Aug 27;261(5125):1182-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Genentech, Inc., South San Francisco, CA 94080.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7689250" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Antigens, Protozoan ; Chemokine CCL5 ; Chemokine CXCL1 ; *Chemokines, CXC ; Chemotactic Factors/metabolism ; Cytokines/metabolism ; *Duffy Blood-Group System ; Erythrocytes/*parasitology ; Growth Substances/metabolism ; Humans ; *Intercellular Signaling Peptides and Proteins ; Interleukin-8/*metabolism ; Lymphokines/metabolism ; Monocyte Chemoattractant Proteins ; Plasmodium knowlesi/*metabolism/physiology ; Plasmodium vivax/*metabolism/physiology ; *Protozoan Proteins ; Receptors, Cell Surface/*metabolism ; Receptors, Immunologic/*metabolism ; Receptors, Interleukin-8A
    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
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1990-12-14
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bouchard, T J -- Lykken, D T -- McGue, M -- Segal, N -- Tellegen, A -- New York, N.Y. -- Science. 1990 Dec 14;250(4987):1498.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2274774" target="_blank"〉PubMed〈/a〉
    Keywords: *Genetic Variation ; Genotype ; Humans ; *Intelligence ; Intelligence Tests ; Twins, Monozygotic/*genetics
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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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  • 3
    Publication Date: 1990-07-20
    Description: The crystallographic structure of a recombinant hirudin-thrombin complex has been solved at 2.3 angstrom (A) resolution. Hirudin consists of an NH2-terminal globular domain and a long (39 A) COOH-terminal extended domain. Residues Ile1 to Tyr3 of hirudin form a parallel beta-strand with Ser214 to Glu217 of thrombin with the nitrogen atom of Ile1 making a hydrogen bond with Ser195 O gamma atom of the catalytic site, but the specificity pocket of thrombin is not involved in the interaction. The COOH-terminal segment makes numerous electrostatic interactions with an anion-binding exosite of thrombin, whereas the last five residues are in a helical loop that forms many hydrophobic contacts. In all, 27 of the 65 residues of hirudin have contacts less than 4.0 A with thrombin (10 ion pairs and 23 hydrogen bonds). Such abundant interactions may account for the high affinity and specificity of hirudin.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Rydel, T J -- Ravichandran, K G -- Tulinsky, A -- Bode, W -- Huber, R -- Roitsch, C -- Fenton, J W 2nd -- HL13160/HL/NHLBI NIH HHS/ -- HL43229/HL/NHLBI NIH HHS/ -- New York, N.Y. -- Science. 1990 Jul 20;249(4966):277-80.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Chemistry, Michigan State University, East Lansing 48824.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2374926" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Binding Sites ; Hirudins/*metabolism ; Humans ; Models, Molecular ; Molecular Sequence Data ; Protein Binding ; Protein Conformation ; Recombinant Proteins/metabolism ; Thrombin/*metabolism ; X-Ray Diffraction
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 4
    Publication Date: 1990-12-14
    Description: The principal neutralizing determinant (PND) of human immunodeficiency virus (HIV)-1 resides within the V3 loop of the envelope protein. Antibodies elicited by peptides of this region were able to neutralize diverse isolates. Serum from one of three animals immunized with the human T cell lymphoma virus (HTLV)-IIIMN PND peptide, RP142, neutralized MN and the sequence-divergent HTLV-IIIB isolate. Serum from one of three animals immunized with a 13-amino acid IIIB PND peptide (RP337) also neutralized both of these isolates. Characterization of these sera revealed that the cross-neutralizing antibodies bound the amino acid sequence GlyProGlyArgAlaPhe (GPGRAF) that is present in both isolates. This sequence is frequently found in the PNDs analyzed in randomly selected HIV-1 isolates. Sera from two rabbits immunized with a peptide containing only the GPGRAF residues neutralized divergent isolates, including IIIB and MN.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Javaherian, K -- Langlois, A J -- LaRosa, G J -- Profy, A T -- Bolognesi, D P -- Herlihy, W C -- Putney, S D -- Matthews, T J -- New York, N.Y. -- Science. 1990 Dec 14;250(4987):1590-3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Surgery, Duke University Medical School, Durham, NC 27710.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1703322" target="_blank"〉PubMed〈/a〉
    Keywords: Acquired Immunodeficiency Syndrome/microbiology ; Amino Acid Sequence ; Animals ; Enzyme-Linked Immunosorbent Assay ; Epitopes/*immunology ; Guinea Pigs ; HIV Antibodies/*immunology ; HIV Antigens/*immunology ; HIV-1/*immunology ; Humans ; Immune Sera/immunology ; Immunization ; Molecular Sequence Data ; Neutralization Tests ; Rabbits ; Viral Envelope Proteins/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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  • 5
    Publication Date: 1991-05-10
    Description: Immunophilins, when complexed to immunosuppressive ligands, appear to inhibit signal transduction pathways that result in exocytosis and transcription. The solution structure of one of these, the human FK506 and rapamycin binding protein (FKBP), has been determined by nuclear magnetic resonance (NMR). FKBP has a previously unobserved antiparallel beta-sheet folding topology that results in a novel loop crossing and produces a large cavity lined by a conserved array of aromatic residues; this cavity serves as the rotamase active site and drug-binding pocket. There are other significant structural features (such as a protruding positively charged loop and an apparently flexible loop) that may be involved in the biological activity of FKBP.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Michnick, S W -- Rosen, M K -- Wandless, T J -- Karplus, M -- Schreiber, S L -- GM-30804/GM/NIGMS NIH HHS/ -- GM-38627/GM/NIGMS NIH HHS/ -- I-S10-RR04870/RR/NCRR NIH HHS/ -- New York, N.Y. -- Science. 1991 May 10;252(5007):836-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Chemistry, Harvard University, Cambridge, MA 02138.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1709301" target="_blank"〉PubMed〈/a〉
    Keywords: Anti-Bacterial Agents/metabolism ; Binding Sites ; Carrier Proteins/*ultrastructure ; Crystallography ; Humans ; Immunosuppressive Agents/metabolism ; Magnetic Resonance Spectroscopy ; Molecular Structure ; Polyenes/metabolism ; Sirolimus ; Tacrolimus ; Tacrolimus Binding Proteins
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 6
    Publication Date: 1991-09-06
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉LaRosa, G J -- Weinhold, K -- Profy, A T -- Langlois, A J -- Dreesman, G R -- Boswell, R N -- Shadduck, P -- Bolognesi, D P -- Matthews, T J -- Emini, E A -- New York, N.Y. -- Science. 1991 Sep 6;253(5024):1146.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Repligen Corporation, Cambridge, MA 02139.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1887238" target="_blank"〉PubMed〈/a〉
    Keywords: Acquired Immunodeficiency Syndrome/microbiology ; Amino Acid Sequence ; Databases, Factual ; Genes, Viral ; Genetic Variation ; HIV-1/*genetics ; Humans ; Molecular Sequence Data ; Polymerase Chain Reaction/methods
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  • 7
    Publication Date: 1990-01-26
    Description: A synthetic peptidemimetic substrate of the human immunodeficiency virus 1 (HIV-1) protease with a nonhydrolyzable pseudodipeptidyl insert at the protease cleavage site was prepared. The peptide U-81749 inhibited recombinant HIV-1 protease in vitro (inhibition constant Ki of 70 nanomolar) and HIV-1 replication in human peripheral blood lymphocytes (inhibitory concentration IC50 of 0.1 to 1 micromolar). Moreover, 10 micromolar concentrations of U-81749 significantly inhibited proteolysis of the HIV-1 gag polyprotein (p55) to the mature viral structural proteins p24 and p17 in cells infected with a recombinant vaccinia virus expressing the HIV-1 gag-pol genes. The HIV-1 like particles released from inhibitor-treated cells contained almost exclusively p55 and other gag precursors, but not p24. Incubation of HIV-like particles recovered from drug-treated cultures in drug-free medium indicated that inhibition of p55 proteolysis was at least partially reversible, suggesting that U-81749 was present within the particles.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉McQuade, T J -- Tomasselli, A G -- Liu, L -- Karacostas, V -- Moss, B -- Sawyer, T K -- Heinrikson, R L -- Tarpley, W G -- New York, N.Y. -- Science. 1990 Jan 26;247(4941):454-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Infectious Disease Research Unit, Upjohn Company, Kalamazoo, MI 49001.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2405486" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Antiviral Agents/*pharmacology ; DNA, Viral/genetics ; Endopeptidases/*metabolism ; Fusion Proteins, gag-pol/genetics/metabolism ; Gene Products, gag/metabolism ; HIV Protease ; HIV-1/*drug effects/genetics/physiology ; Humans ; Lymphocytes/microbiology ; Molecular Sequence Data ; Molecular Structure ; Oligopeptides/*pharmacology ; Protease Inhibitors/*pharmacology ; Protein Precursors/metabolism ; RNA, Viral/metabolism ; Transfection ; Virus Replication/drug effects
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  • 8
    Publication Date: 1990-11-09
    Description: The product of the cdc2 gene, designated p34cdc2, is a serine-threonine protein kinase that controls entry of eukaryotic cells into mitosis. Freshly isolated human T lymphocytes (G0 phase) were found to have very low amounts of p34cdc2 and cdc2 messenger RNA. Expression of cdc2 increased 18 to 24 hours after exposure of T cells to phytohemagglutinin, coincident with the G1 to S transition. Antisense oligodeoxynucleotides could reduce the increase in cdc2 expression and inhibited DNA synthesis, but had no effect on several early and mid-G1 events, including blastogenesis and expression of interleukin-2 receptors, transferrin receptors, c-myb, and c-myc. Induction of cdc2 required prior induction of c-myb and c-myc. These results suggest that cdc2 induction is part of an orderly sequence of events that occurs at the G1 to S transition in T cells.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Furukawa, Y -- Piwnica-Worms, H -- Ernst, T J -- Kanakura, Y -- Griffin, J D -- CA36167/CA/NCI NIH HHS/ -- CA47843/CA/NCI NIH HHS/ -- CA50767/CA/NCI NIH HHS/ -- etc. -- New York, N.Y. -- Science. 1990 Nov 9;250(4982):805-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Division of Tumor Immunology, Dana-Farber Cancer Institute, Boston, MA 02115.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2237430" target="_blank"〉PubMed〈/a〉
    Keywords: Base Sequence ; Blotting, Northern ; CDC2 Protein Kinase/biosynthesis/*genetics ; Cells, Cultured ; DNA/biosynthesis/genetics ; Flow Cytometry ; *G1 Phase ; *Gene Expression Regulation ; Genes, Retinoblastoma ; Genes, myc ; Humans ; Lymphocyte Activation ; Molecular Sequence Data ; Phosphorylation ; Polymerase Chain Reaction ; Proto-Oncogene Proteins/genetics ; Proto-Oncogene Proteins c-myb ; RNA, Messenger/biosynthesis/genetics ; *S Phase ; T-Lymphocytes/*cytology/metabolism
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  • 9
    Publication Date: 1990-09-21
    Description: In order to investigate the potential for Borrelia burgdorferi infection before the recognition of Lyme disease as a clinical entity, the polymerase chain reaction (PCR) was used to examine museum specimens of Ixodes dammini (deer ticks) for the presence of spirochete-specific DNA sequences. One hundred and thirty-six archival tick specimens were obtained representing various continental U.S. locations; DNA sequences characteristic of modern day isolates of B. burgdorferi were detected in 13 1940s specimens from Montauk Point and Hither Hills, Long Island, New York. Five archival specimens of Dermacentor variabilis (dog tick) from the same collection and 118 Ixodes specimens from other endemic and nonendemic sites were negative. These data suggest that the appearance of the Lyme disease spirochete in suitable arthropod vectors preceded, by at least a generation, the formal recognition of this disease as a clinical entity in the United States.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Persing, D H -- Telford, S R 3rd -- Rys, P N -- Dodge, D E -- White, T J -- Malawista, S E -- Spielman, A -- AM07107/AM/NIADDK NIH HHS/ -- AM10493/AM/NIADDK NIH HHS/ -- AM40452/AM/NIADDK NIH HHS/ -- etc. -- New York, N.Y. -- Science. 1990 Sep 21;249(4975):1420-3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Laboratory Medicine, Yale University School of Medicine, New Haven, CT 06510.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2402635" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Base Sequence ; Borrelia burgdorferi Group/genetics/*isolation & purification ; DNA, Bacterial/genetics/*isolation & purification ; Dogs ; Genes, Bacterial ; Humans ; Lyme Disease/microbiology ; Molecular Sequence Data ; Museums ; New York ; Ticks/*microbiology
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  • 10
    Publication Date: 1992-08-07
    Description: Autosomal recessive generalized myotonia (Becker's disease) (GM) and autosomal dominant myotonia congenita (Thomsen's disease) (MC) are characterized by skeletal muscle stiffness that is a result of muscle membrane hyperexcitability. For both diseases, alterations in muscle chloride or sodium currents or both have been observed. A complementary DNA for a human skeletal muscle chloride channel (CLC-1) was cloned, physically localized on chromosome 7, and linked to the T cell receptor beta (TCRB) locus. Tight linkage of these two loci to GM and MC was found in German families. An unusual restriction site in the CLC-1 locus in two GM families identified a mutation associated with that disease, a phenylalanine-to-cysteine substitution in putative transmembrane domain D8. This suggests that different mutations in CLC-1 may cause dominant or recessive myotonia.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Koch, M C -- Steinmeyer, K -- Lorenz, C -- Ricker, K -- Wolf, F -- Otto, M -- Zoll, B -- Lehmann-Horn, F -- Grzeschik, K H -- Jentsch, T J -- New York, N.Y. -- Science. 1992 Aug 7;257(5071):797-800.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Medical Center for Human Genetics, Marburg University, Germany.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1379744" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Blotting, Southern ; Chloride Channels ; *Chromosomes, Human, Pair 7 ; Cloning, Molecular ; DNA/genetics ; Female ; *Genes, Dominant ; *Genes, Recessive ; Genetic Linkage ; Humans ; Ion Channels/*genetics ; Lod Score ; Male ; Membrane Proteins/*genetics ; Molecular Sequence Data ; Muscular Dystrophies/*genetics ; Myotonia Congenita/*genetics ; Pedigree ; Polymorphism, Restriction Fragment Length ; Receptors, Antigen, T-Cell/genetics ; Recombination, Genetic ; 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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