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  • Humans  (60)
  • 2010-2014
  • 1985-1989  (60)
  • 1975-1979
  • 1945-1949
  • 1985  (60)
  • 1
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    Genomic heterogeneity of AIDS retroviral isolates from North America and Zaire (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1985-11-22
    Description: In an analysis of the genomic variation of AIDS retroviral isolates from patients living in New York, Alabama, and Zaire, restriction maps were constructed by using seven enzymes, each known to cleave the proviral DNA more than once, in conjunction with Southern blot analysis. The maps of LAV, HTLV-III, and ARV-2 as deduced from their published nucleotide sequences were included in this analysis. The results demonstrated that (i) several "signature" restriction sites were common to all isolates; (ii) with the exception of LAV and HTLV-III, the North American and European isolates were all different from one another and showed no geographical specificity; (iii) the African isolates as a group were more diverse than those from North America and Europe; and (iv) the genomic variability was concentrated within the env gene.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Benn, S -- Rutledge, R -- Folks, T -- Gold, J -- Baker, L -- McCormick, J -- Feorino, P -- Piot, P -- Quinn, T -- Martin, M -- New York, N.Y. -- Science. 1985 Nov 22;230(4728):949-51.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2997922" target="_blank"〉PubMed〈/a〉
    Keywords: Acquired Immunodeficiency Syndrome/*microbiology ; Base Sequence ; Chromosome Mapping ; Cloning, Molecular ; DNA Restriction Enzymes ; DNA, Viral/genetics ; Deltaretrovirus/*genetics ; Democratic Republic of the Congo ; Genes, Viral ; Humans ; North America ; Viral Proteins/genetics
    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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    Expression in Escherichia coli of open reading frame gene segments of HTLV-III (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1985-04-05
    Description: Human T-cell lymphotropic virus type III (HTLV-III), the causative agent of the acquired immune deficiency syndrome (AIDS), was recently isolated and its genomic structure analyzed by DNA cloning methods. In the studies reported here a combined cloning and expression system was used to identify HTLV-III encoded peptides that react immunologically with antibodies in sera from AIDS patients. Cloned HTLV-III DNA was sheared into approximately 500-base-pair fragments and inserted into an "open reading frame" expression vector, pMR100. The inserted DNA was expressed in Escherichia coli transformants as a polypeptide fused to the lambda CI protein at its amino terminus and to beta-galactosidase at its carboxyl terminus. Sera from AIDS patients containing antibodies to HTLV-III were then used to screen for immunoreactive fusion proteins. Twenty clones, each specifying a fusion protein strongly reactive with AIDS serum, were identified. DNA sequence analysis indicated that the HTLV-III fragments were derived from the open reading frame DNA segments corresponding to the gag and pol gene coding regions and also the large open reading frame region (env-lor) located near the 3' end of the viral genome.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Chang, N T -- Chanda, P K -- Barone, A D -- McKinney, S -- Rhodes, D P -- Tam, S H -- Shearman, C W -- Huang, J -- Chang, T W -- Gallo, R C -- New York, N.Y. -- Science. 1985 Apr 5;228(4695):93-6.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2983429" target="_blank"〉PubMed〈/a〉
    Keywords: Acquired Immunodeficiency Syndrome/immunology ; Antibodies, Viral/immunology ; Cloning, Molecular ; DNA, Recombinant/metabolism ; DNA, Viral/genetics ; Deltaretrovirus/*genetics ; Electrophoresis, Polyacrylamide Gel ; Escherichia coli/genetics ; Genes, Viral ; Genetic Vectors ; Humans ; Viral Proteins/*genetics/immunology/isolation & purification ; beta-Galactosidase/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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  • 3
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    Plasticity of hippocampal circuitry in Alzheimer's disease (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1985-12-06
    Description: Two markers of neuronal plasticity were used to compare the response of the human central nervous system to neuronal loss resulting from Alzheimer's disease with the response of rats to a similar neuronal loss induced by lesions. In rats that had received lesions of the entorhinal cortex, axon sprouting of commissural and associational fibers into the denervated molecular layer of the dentate gyrus was paralleled by a spread in the distribution of tritiated kainic acid-binding sites. A similar expansion of kainic acid receptor distribution was observed in hippocampal samples obtained postmortem from patients with Alzheimer's disease. An enhancement of acetylcholinesterase activity in the dentate gyrus molecular layer, indicative of septal afferent sprouting, was also observed in those patients with a minimal loss of cholinergic neurons. These results are evidence that the central nervous system is capable of a plastic response in Alzheimer's disease. Adaptive growth responses occur along with the degenerative events.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Geddes, J W -- Monaghan, D T -- Cotman, C W -- Lott, I T -- Kim, R C -- Chui, H C -- AG00538/AG/NIA NIH HHS/ -- MH 19691/MH/NIMH NIH HHS/ -- P50AG5142/AG/NIA NIH HHS/ -- New York, N.Y. -- Science. 1985 Dec 6;230(4730):1179-81.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/4071042" target="_blank"〉PubMed〈/a〉
    Keywords: Acetylcholinesterase/metabolism ; Alzheimer Disease/*pathology ; Animals ; Hippocampus/enzymology/*pathology ; Humans ; Kainic Acid/metabolism ; Male ; *Neuronal Plasticity ; Neurons/pathology ; Rats ; Rats, Inbred Strains
    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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    Human von Willebrand factor (vWF): isolation of complementary DNA (cDNA) clones and chromosomal localization (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1985-06-21
    Description: Human factor VIII--von Willebrand factor (vWF) is a large, multimeric glycoprotein that plays a central role in the blood coagulation system, serving both as a carrier for factor VIIIC (antihemophilic factor) and as a major mediator of platelet-vessel wall interaction. Diminished or abnormal vWF activity results in von Willebrand's disease (vWD), a common and complex hereditary bleeding disorder. Overlapping vWF cDNA clones that span 8.2 kilobases of the vWF messenger RNA have been obtained. vWF accounts for approximately 0.3 percent of endothelial cell messenger RNA and was undetectable in several other tissues examined. A large single copy gene for vWF is located on the short arm of chromosome 12 (12p12----12pter). No gross gene rearrangement or deletion was detected in the DNA of two patients with severe vWD.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ginsburg, D -- Handin, R I -- Bonthron, D T -- Donlon, T A -- Bruns, G A -- Latt, S A -- Orkin, S H -- New York, N.Y. -- Science. 1985 Jun 21;228(4706):1401-6.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3874428" target="_blank"〉PubMed〈/a〉
    Keywords: Base Sequence ; Blood Coagulation Factors/*genetics ; Chromosome Mapping ; *Chromosomes, Human, 6-12 and X ; Cloning, Molecular ; DNA/*isolation & purification ; Humans ; RNA, Messenger ; von Willebrand Factor/*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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  • 5
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    Modulation of the sis gene transcript during endothelial cell differentiation in vitro (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1985-05-17
    Description: Endothelial cells, which line the interior walls of blood vessels, proliferate at the site of blood vessel injury. Knowledge of the factors that control the proliferation of these cells would help elucidate the role of endothelial cells in wound healing, tumor growth, and arteriosclerosis. In vitro, endothelial cells organize into viable, three-dimensional tubular structures in environments that limit cell proliferation. The process of endothelial cell organization was found to result in decreased levels of the sis messenger RNA transcript and increased levels of the messenger RNA transcript for fibronectin. This situation was reversed on transition from the organized structure to a proliferative monolayer. These results suggest a reciprocity for two biological response modifiers involved in the regulation of endothelial cell proliferation and differentiation in vitro.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Jaye, M -- McConathy, E -- Drohan, W -- Tong, B -- Deuel, T -- Maciag, T -- 14147/PHS HHS/ -- 310765/PHS HHS/ -- 4807/PHS HHS/ -- etc. -- New York, N.Y. -- Science. 1985 May 17;228(4701):882-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3890179" target="_blank"〉PubMed〈/a〉
    Keywords: Cell Differentiation ; Cell Division ; Cells, Cultured ; Culture Media ; Endothelial Growth Factors ; Endothelium/*cytology/metabolism ; Extracellular Matrix/metabolism ; Fibronectins/biosynthesis/genetics ; *Gene Expression Regulation ; Growth Substances/pharmacology ; Humans ; Platelet-Derived Growth Factor/*genetics ; RNA, Messenger/*genetics ; *Transcription, 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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  • 6
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    Human apolipoprotein B: structure of carboxyl-terminal domains, sites of gene expression, and chromosomal localization (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1985-10-04
    Description: Apolipoprotein (apo-) B is the ligand responsible for the receptor-mediated catabolism of low density lipoproteins, the principal cholesterol-transporting lipoproteins in plasma. The primary structure of the carboxyl-terminal 30 percent (1455 amino acids) of human apo-B (apo-B100) has been deduced from the nucleotide sequence of complementary DNA. Portions of the protein structure that may relate to its receptor binding function and lipid binding properties have been identified. The apo-B100 messenger RNA is about 19 kilobases in length. The apo-B100 gene is expressed primarily in liver and, to a lesser extent, in small intestine, but in no other tissues. The gene for apo-B100 is located in the p24 region (near the tip of the short arm) of chromosome 2.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Knott, T J -- Rall, S C Jr -- Innerarity, T L -- Jacobson, S F -- Urdea, M S -- Levy-Wilson, B -- Powell, L M -- Pease, R J -- Eddy, R -- Nakai, H -- GM 20454/GM/NIGMS NIH HHS/ -- HO 05196/HO/NHLBI NIH HHS/ -- New York, N.Y. -- Science. 1985 Oct 4;230(4721):37-43.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2994225" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Apolipoprotein B-100 ; Apolipoproteins B/analysis/*genetics ; Apolipoproteins E/analysis ; Base Sequence ; *Chromosome Mapping ; Chromosomes, Human, 1-3 ; DNA/analysis ; DNA Restriction Enzymes/metabolism ; Female ; *Gene Expression Regulation ; Haplorhini ; Humans ; Intestine, Small/metabolism ; Lipid Metabolism ; Lipoproteins, LDL/metabolism ; Liver/metabolism ; Mice ; RNA, Messenger/analysis ; Receptors, LDL/metabolism ; Structure-Activity Relationship
    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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  • 7
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    Tyrosine kinase receptor with extensive homology to EGF receptor shares chromosomal location with neu oncogene (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1985-12-06
    Description: A novel potential cell surface receptor of the tyrosine kinase gene family has been identified and characterized by molecular cloning. Its primary sequence is very similar to that of the human epidermal growth factor receptor and the v-erbB oncogene product; the chromosomal location of the gene for this protein is coincident with the neu oncogene, which suggests that the two genes may be identical.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Coussens, L -- Yang-Feng, T L -- Liao, Y C -- Chen, E -- Gray, A -- McGrath, J -- Seeburg, P H -- Libermann, T A -- Schlessinger, J -- Francke, U -- New York, N.Y. -- Science. 1985 Dec 6;230(4730):1132-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2999974" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Base Sequence ; *Chromosome Mapping ; Chromosomes, Human, 16-18 ; Chromosomes, Human, 6-12 and X ; DNA/genetics ; Fetus/metabolism ; Humans ; Nucleic Acid Hybridization ; *Oncogenes ; Rats ; Receptor, Epidermal Growth Factor ; Receptors, Cell Surface/*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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  • 8
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    Analysis of T-cell receptor gene rearrangement and expression in human natural killer clones (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1985-06-28
    Description: A series of clones of human natural killer (NK) cells was characterized with respect to expression of the Ti alpha and Ti beta genes of the T-cell receptor. T11+T3+ NK clones contained Ti alpha and Ti beta RNA transcripts and expressed disulfide-linked heterodimers, demonstrating the presence of a functional T-cell receptor. In contrast, T11+T3- NK clones expressed only 1.0-kilobase truncated Ti beta transcripts, without a Ti alpha transcript and no detectable surface Ti protein. Since previous studies demonstrated that Ti beta gene activation precedes Ti alpha gene activation in thymic ontogeny, the T11+T3- NK cells appear to be derived from T-lineage precursors.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ritz, J -- Campen, T J -- Schmidt, R E -- Royer, H D -- Hercend, T -- Hussey, R E -- Reinherz, E L -- AI 19807/AI/NIAID NIH HHS/ -- AI 21226/AI/NIAID NIH HHS/ -- CA 34183/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1985 Jun 28;228(4707):1540-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2409597" target="_blank"〉PubMed〈/a〉
    Keywords: Clone Cells/analysis ; Cytotoxicity, Immunologic ; Electrophoresis, Polyacrylamide Gel ; *Gene Expression Regulation ; Humans ; Killer Cells, Natural/*analysis ; Phenotype ; RNA/analysis ; Receptors, Antigen, T-Cell/*genetics ; Transcription, Genetic ; Transcriptional Activation
    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
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    A new HTLV-III/LAV encoded antigen detected by antibodies from AIDS patients (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1985-11-15
    Description: A newly identified protein from HTLV-III/LAV, the virus implicated as the etiologic agent of the acquired immune deficiency syndrome, was studied. This protein, which has a molecular weight of 27,000 (p27), was shown by amino acid sequencing to have a coding origin 3' to the env gene on the HTLV-III genome. The presence of antibodies to p27 in virus-exposed individuals indicated that this gene is functional in the natural host.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Allan, J S -- Coligan, J E -- Lee, T H -- McLane, M F -- Kanki, P J -- Groopman, J E -- Essex, M -- 2T32-CA09031/CA/NCI NIH HHS/ -- CA23885/CA/NCI NIH HHS/ -- CA37466/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1985 Nov 15;230(4727):810-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2997921" target="_blank"〉PubMed〈/a〉
    Keywords: Acquired Immunodeficiency Syndrome/*immunology/microbiology ; Amino Acid Sequence ; Animals ; Antibodies, Viral/*immunology ; Antibody Formation ; Antigens, Viral/*immunology ; Deltaretrovirus/genetics/*immunology ; Electrophoresis, Polyacrylamide Gel ; Haplorhini/microbiology ; Humans ; Male ; Molecular Weight ; Repetitive Sequences, Nucleic Acid
    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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  • 10
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    Major glycoprotein antigens that induce antibodies in AIDS patients are encoded by HTLV-III (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1985-05-31
    Description: Antibodies from the serum of patients with the acquired immune deficiency syndrome (AIDS) or with the AIDS-related complex and from the serum of seropositive healthy homosexuals, recognize two major glycoproteins in cells infected with human T-cell lymphotropic virus type III (HTLV III). These glycoproteins, gp160 and gp120, are encoded by the 2.5-kilobase open reading frame located in the 3' end of the HTLV-III genome, as determined by amino terminus sequence analysis of the radiolabeled forms of these proteins. It is hypothesized that gp160 and gp120 represent the major species of virus-encoded envelope gene products for HTLV-III.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Allan, J S -- Coligan, J E -- Barin, F -- McLane, M F -- Sodroski, J G -- Rosen, C A -- Haseltine, W A -- Lee, T H -- Essex, M -- 2T32-CA09031/CA/NCI NIH HHS/ -- CA 13885/CA/NCI NIH HHS/ -- CA 37466/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1985 May 31;228(4703):1091-4.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2986290" target="_blank"〉PubMed〈/a〉
    Keywords: Acquired Immunodeficiency Syndrome/*immunology ; Amino Acid Sequence ; Antibodies, Viral/immunology ; Antigens, Viral/genetics/*immunology ; Base Sequence ; Deltaretrovirus/*immunology ; Genes, Viral ; Glycoproteins/genetics/immunology ; Humans ; Molecular Weight ; Tunicamycin/pharmacology ; Viral Envelope 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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