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  • Humans  (177)
  • American Association for the Advancement of Science (AAAS)  (177)
  • 1990-1994  (92)
  • 1980-1984  (85)
  • 2010
  • 1990  (92)
  • 1984  (85)
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  • American Association for the Advancement of Science (AAAS)  (177)
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  • 1
    Publication Date: 1984-07-06
    Description: A retrovirus isolated from three patients with the acquired immunodeficiency syndrome (AIDS) in the United States was morphologically and antigenically identical to lymphadenopathy associated virus isolated in France. Two of these isolates were from a blood donor-recipient pair, each of whom developed AIDS. Lymphadenopathy associated virus was isolated from the blood donor's lymphocytes 12 months after his onset of AIDS symptoms and from the blood recipient's lymphocytes 1 month after her onset of AIDS symptoms. Two isolates from the blood donor-recipient pair and an isolate from an epidemiologically unrelated homosexual man were examined by competitive radioimmunoassay to determine their antigenic relatedness to each other and to other human retroviruses. The major core proteins (p25) of the isolates were antigenically identical and all three isolates were identical to prototype lymphadenopathy associated virus isolated in France.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Feorino, P M -- Kalyanaraman, V S -- Haverkos, H W -- Cabradilla, C D -- Warfield, D T -- Jaffe, H W -- Harrison, A K -- Gottlieb, M S -- Goldfinger, D -- Chermann, J C -- New York, N.Y. -- Science. 1984 Jul 6;225(4657):69-72.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6328663" target="_blank"〉PubMed〈/a〉
    Keywords: Acquired Immunodeficiency Syndrome/*microbiology/transmission ; Adult ; Antibodies, Viral/immunology ; *Blood Donors ; Blood Transfusion/adverse effects ; Deltaretrovirus/immunology ; Female ; Humans ; Male ; Retroviridae/*immunology ; Retroviridae Infections/*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: 1984-08-31
    Description: Plasma-free homovanillic acid, a major metabolite of dopamine, was measured in chronically ill schizophrenic patients both before and during treatment with the antipsychotic phenothiazine, fluphenazine. Neuroleptic treatment was associated with a significant time-dependent decrease in plasma homovanillic acid from pretreatment values, which were significantly elevated when compared with those of age- and sex-matched healthy control subjects. Further, both the absolute concentrations as well as the neuroleptic-induced reductions in plasma homovanillic acid determined over 5 weeks of neuroleptic treatment were statistically significantly correlated with ratings of psychosis and improvement in psychosis, respectively. These findings suggest that the delayed effects of neuroleptic agents on presynaptic dopamine activity may more closely parallel their therapeutic actions than do their immediate effects in blocking postsynaptic dopamine receptors and that a decrease in dopamine "turnover" may be responsible for their antipsychotic effects.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pickar, D -- Labarca, R -- Linnoila, M -- Roy, A -- Hommer, D -- Everett, D -- Paul, S M -- New York, N.Y. -- Science. 1984 Aug 31;225(4665):954-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6474162" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Dopamine/metabolism ; Female ; Fluphenazine/pharmacology/*therapeutic use ; Homovanillic Acid/*blood ; Humans ; Male ; Phenylacetates/*blood ; Schizophrenia/blood/*drug therapy ; Time 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
    Publication Date: 1990-12-07
    Description: The binding of a 13C-labeled cyclosporin A (CsA) analog to cyclophilin (peptidyl prolyl isomerase) was examined by means of isotope-edited nuclear magnetic resonance (NMR) techniques. A trans 9,10 peptide bond was adopted when CsA was bound to cyclophilin, in contrast to the cis 9,10 peptide bond found in the crystalline and solution conformations of CsA. Furthermore, nuclear Overhauser effects (NOEs) were observed between the zeta 3 and epsilon 3 protons of the methylleucine (MeLeu) residue at position 9 of CsA and tryptophan121 (Trp121) and phenylalanine (Phe) protons of cyclophilin, suggesting that the MeLeu9 residue of CsA interacts with cyclophilin. These results illustrate the power of isotope-edited NMR techniques for rapidly providing useful information about the conformations and active site environment of inhibitors bound to their target enzymes.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Fesik, S W -- Gampe, R T Jr -- Holzman, T F -- Egan, D A -- Edalji, R -- Luly, J R -- Simmer, R -- Helfrich, R -- Kishore, V -- Rich, D H -- New York, N.Y. -- Science. 1990 Dec 7;250(4986):1406-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Pharmaceutical Discovery Division, Abbott Laboratories, Abbott Park, IL 60064.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2255910" target="_blank"〉PubMed〈/a〉
    Keywords: Amides ; Amino Acid Isomerases/chemistry/*metabolism ; Carbon Isotopes ; Carrier Proteins/chemistry/*metabolism ; Cyclosporins/chemistry/*metabolism ; Escherichia coli/genetics ; Humans ; Leucine/analogs & derivatives/chemistry ; Magnetic Resonance Spectroscopy/methods ; Peptidylprolyl Isomerase ; Phenylalanine/chemistry ; Protein Binding ; Protein Conformation ; Recombinant Proteins/chemistry/metabolism ; Tryptophan/chemistry
    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: 1990-06-22
    Description: The vast repertoire of immunoglobulins and T cell receptors is generated, in part, by V(D)J recombination, a series of genomic rearrangements that occur specifically in developing lymphocytes. The recombination activating gene, RAG-1, which is a gene expressed exclusively in maturing lymphoid cells, was previously isolated. RAG-1 inefficiently induced V(D)J recombinase activity when transfected into fibroblasts, but cotransfection with an adjacent gene, RAG-2, has resulted in at least a 1000-fold increase in the frequency of recombination. The 2.1-kilobase RAG-2 complementary DNA encodes a putative protein of 527 amino acids whose sequence is unrelated to that of RAG-1. Like RAG-1, RAG-2 is conserved between species that carry out V(D)J recombination, and its expression pattern correlates precisely with that of V(D)J recombinase activity. In addition to being located just 8 kilobases apart, these convergently transcribed genes are unusual in that most, if not all, of their coding and 3' untranslated sequences are contained in single exons. RAG-1 and RAG-2 might activate the expression of the V(D)J recombinase but, more likely, they directly participate in the recombination reaction.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Oettinger, M A -- Schatz, D G -- Gorka, C -- Baltimore, D -- GM39458/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1990 Jun 22;248(4962):1517-23.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Whitehead Institute for Biomedical Research, Cambridge, MA 02142.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2360047" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Base Sequence ; Biological Evolution ; Cattle ; Cell Line ; Chickens ; Cricetinae ; DNA/*genetics ; DNA Nucleotidyltransferases/*genetics ; *DNA-Binding Proteins ; Dogs ; Female ; *Gene Rearrangement, B-Lymphocyte ; *Gene Rearrangement, T-Lymphocyte ; *Homeodomain Proteins ; Humans ; Male ; Mice ; Molecular Sequence Data ; *Multigene Family ; Nuclear Proteins ; Nucleic Acid Hybridization ; Opossums ; Proteins/*genetics ; Rabbits ; Recombination, Genetic/*genetics ; Restriction Mapping ; Transfection ; Turtles ; VDJ Recombinases
    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: 1990-05-11
    Description: Protease nexin-II (PN-II) [amyloid beta-protein precursor (APP)] and the amyloid beta-protein are major constituents of neuritic plaques and cerebrovascular deposits in individuals with Alzheimer's disease and Down syndrome. Both the brain and the circulation have been implicated as sources of these molecules, although they have not been detected in blood. Human platelets have now been found to contain relatively large amounts of PN-II/APP. Platelet PN-II/APP was localized in platelet alpha-granules and was secreted upon platelet activation. Because PN-II/APP is a potent protease inhibitor and possesses growth factor activity, these results implicate PN-II/APP in wound repair. In certain disease states, alterations in platelet release and processing and clearance of PN-II/APP and its derived fragments could lead to pathological accumulation of these proteins.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Van Nostrand, W E -- Schmaier, A H -- Farrow, J S -- Cunningham, D D -- GM-31609/GM/NIGMS NIH HHS/ -- HL01615/HL/NHLBI NIH HHS/ -- HL35553/HL/NHLBI NIH HHS/ -- New York, N.Y. -- Science. 1990 May 11;248(4956):745-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Microbiology and Molecular Genetics, University of California, Irvine 92717.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2110384" target="_blank"〉PubMed〈/a〉
    Keywords: Amyloid/*blood/isolation & purification ; Amyloid beta-Peptides/*blood/isolation & purification ; Amyloid beta-Protein Precursor ; Antibodies, Monoclonal ; Blood Platelets/*chemistry ; Cell Fractionation ; Cytoplasmic Granules/*chemistry ; Epidermal Growth Factor/blood ; Humans ; Immunoblotting ; Plasminogen Inactivators/blood ; Platelet Activation ; Protein Precursors/*blood/isolation & purification
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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: 1990-12-21
    Description: Ten strains of a new arbovirus belonging to the Bunyamwera group (Bunyaviridae) were recovered from field-collected Aedes albopictus mosquitoes in Potosi, Missouri. This evidence indicates that this species may serve as an arbovirus vector in the United States. The urban-suburban distribution, aggressive biting behavior, and broad viral susceptibility of Ae. albopictus may lead to the transmission of viruses of known public health importance and perhaps of viruses hitherto not transmitted to humans because of the feeding pattern of their usual vectors.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Francy, D B -- Karabatsos, N -- Wesson, D M -- Moore, C G Jr -- Lazuick, J S -- Niebylski, M L -- Tsai, T F -- Craig, G B Jr -- New York, N.Y. -- Science. 1990 Dec 21;250(4988):1738-40.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Division of Vector-Borne Infectious Diseases, Centers for Disease Control, U.S. Public Health Service, Fort Collins, CO 80522.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2270489" target="_blank"〉PubMed〈/a〉
    Keywords: Aedes/*microbiology ; Animals ; Arboviruses/*isolation & purification ; Asia ; Humans ; Insect Vectors ; United States
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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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  • 7
    Publication Date: 1990-01-05
    Description: Cosmid clones containing human DNA inserts have been mapped on chromosome 11 by fluorescence in situ hybridization under conditions that suppress signal from repetitive DNA sequences. Thirteen known genes, one chromosome 11-specific DNA repeat, and 36 random clones were analyzed. High-resolution mapping was facilitated by using digital imaging microscopy and by analyzing extended (prometaphase) chromosomes. The map coordinates established by in situ hybridization showed a one to one correspondence with those determined by Southern (DNA) blot analysis of hybrid cell lines containing fragments of chromosome 11. Furthermore, by hybridizing three or more cosmids simultaneously, gene order on the chromosome could be established unequivocally. These results demonstrate the feasibility of rapidly producing high-resolution maps of human chromosomes by in situ hybridization.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lichter, P -- Tang, C J -- Call, K -- Hermanson, G -- Evans, G A -- Housman, D -- Ward, D C -- GM-27882/GM/NIGMS NIH HHS/ -- GM-33868/GM/NIGMS NIH HHS/ -- HD-18012/HD/NICHD NIH HHS/ -- etc. -- New York, N.Y. -- Science. 1990 Jan 5;247(4938):64-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Human Genetics, 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/2294592" target="_blank"〉PubMed〈/a〉
    Keywords: Blotting, Southern ; Cell Line ; *Chromosome Mapping ; *Chromosomes, Human, Pair 11 ; Cloning, Molecular ; Cosmids/*genetics ; DNA/*genetics ; DNA Probes ; Fluorescent Dyes ; Humans ; Hybrid Cells ; Microscopy, Fluorescence ; *Nucleic Acid Hybridization ; Repetitive Sequences, Nucleic Acid
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  • 8
    Publication Date: 1990-09-21
    Description: Thyrotropin (TSH), luteinizing hormone (LH), and chorionic gonadotropin (CG) are structurally related glycoprotein hormones, which bind to receptors that share a high degree of sequence similarity. However, comparison of the primary amino acid sequences of the TSH and LH-CG receptors reveals two unique insertions of 8 and 50 amino acids in the extracellular domain of the TSH receptor. The functional significance of these insertions were determined by site-directed mutagenesis. Deletion of the 50-amino acid tract (residues 317 to 366) had no effect on TSH binding or on TSH and thyroid-stimulating immunoglobulin (TSI) biological activities. In contrast, either deletion or substitution of the eight-amino acid region (residues 38 to 45) abolished these activities. This eight-amino acid tract near the amino terminus of the TSH receptor appears to be an important site of interaction for both TSH and TSI.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wadsworth, H L -- Chazenbalk, G D -- Nagayama, Y -- Russo, D -- Rapoport, B -- DK-19289/DK/NIDDK NIH HHS/ -- DK-36182/DK/NIDDK NIH HHS/ -- New York, N.Y. -- Science. 1990 Sep 21;249(4975):1423-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Medicine, Veterans Administration Medical Center, San Francisco, CA 94121.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2169649" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Base Sequence ; Binding Sites ; Cell Line ; Chromosome Deletion ; Clone Cells ; Cyclic AMP/metabolism ; Humans ; Molecular Sequence Data ; Mutation ; Oligonucleotide Probes ; Receptors, Thyrotropin/*genetics/metabolism ; Thyrotropin/*metabolism/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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  • 9
    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
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  • 10
    Publication Date: 1990-11-23
    Description: Sjogren's syndrome is an autoimmune disease that is characterized by dryness of the mouth and eyes. The loss of salivary and lacrimal gland function is accompanied by lymphocytic infiltration. Because similar symptoms and glandular pathology are observed in certain persons infected with human immunodeficiency virus (HIV), a search was initiated for a possible retroviral etiology in this syndrome. A human intracisternal A-type retroviral particle that is antigenically related to HIV was detected in lymphoblastoid cells exposed to homogenates of salivary tissue from patients with Sjogren's syndrome. Comparison of this retroviral particle to HIV indicates that they are distinguishable by several ultrastructural, physical, and enzymatic criteria.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Garry, R F -- Fermin, C D -- Hart, D J -- Alexander, S S -- Donehower, L A -- Luo-Zhang, H -- AI 22720/AI/NIAID NIH HHS/ -- AI 28048/AI/NIAID NIH HHS/ -- DC 00712/DC/NIDCD NIH HHS/ -- etc. -- New York, N.Y. -- Science. 1990 Nov 23;250(4984):1127-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Microbiology and Immunology, Tulane University School of Medicine, New Orleans, LA 70112.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1701273" target="_blank"〉PubMed〈/a〉
    Keywords: Centrifugation, Density Gradient ; *HIV/immunology/ultrastructure ; HIV Antigens/analysis ; Humans ; Magnesium/pharmacology ; Manganese/pharmacology ; Microscopy, Electron ; RNA-Directed DNA Polymerase/metabolism ; *Retroviridae/immunology/ultrastructure ; Salivary Glands/microbiology ; Sjogren's Syndrome/*microbiology ; Virion/enzymology/*isolation & purification/ultrastructure
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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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