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  • Female  (489)
  • Cloning, Molecular  (233)
  • American Association for the Advancement of Science (AAAS)  (702)
  • American Association of Petroleum Geologists (AAPG)
  • American Institute of Physics
  • International Union of Crystallography (IUCr)
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  • Oxford University Press
  • 1990-1994  (702)
  • 1950-1954
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  • American Association for the Advancement of Science (AAAS)  (702)
  • American Association of Petroleum Geologists (AAPG)
  • American Institute of Physics
  • International Union of Crystallography (IUCr)
  • National Academy of Sciences
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  • 1
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    Induction of AIDS in rhesus monkeys by molecularly cloned simian immunodeficiency virus (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1990-06-01
    Description: Better understanding of the pathogenesis of acquired immunodeficiency syndrome (AIDS) would be greatly facilitated by a relevant animal model that uses molecularly cloned virus of defined sequence to induce the disease. Such a system would also be of great value for AIDS vaccine research. An infectious molecular clone of simian immunodeficiency virus (SIV) was identified that induces AIDS in common rhesus monkeys in a time frame suitable for laboratory investigation. These results provide another strong link in the chain of evidence for the viral etiology of AIDS. More importantly, they define a system for molecular dissection of the determinants of AIDS pathogenesis.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kestler, H -- Kodama, T -- Ringler, D -- Marthas, M -- Pedersen, N -- Lackner, A -- Regier, D -- Sehgal, P -- Daniel, M -- King, N -- AI25328/AI/NIAID NIH HHS/ -- RR00168/RR/NCRR NIH HHS/ -- RR00169/RR/NCRR NIH HHS/ -- etc. -- New York, N.Y. -- Science. 1990 Jun 1;248(4959):1109-12.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉New England Regional Primate Research Center, Harvard Medical School, Southborough, MA 01772.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2160735" target="_blank"〉PubMed〈/a〉
    Keywords: *Acquired Immunodeficiency Syndrome ; Animals ; Antibodies, Viral/biosynthesis ; Cloning, Molecular ; *Disease Models, Animal ; Leukocytes, Mononuclear/microbiology ; Macaca mulatta ; Macrophages/microbiology ; Opportunistic Infections/etiology ; *Retroviridae Infections/complications/immunology ; *Simian Immunodeficiency Virus/genetics/immunology/isolation & ; purification/pathogenicity ; Transfection ; Virus Replication
    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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    Breast cancer: two steps closer to understanding (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1990-12-21
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wright, K -- New York, N.Y. -- Science. 1990 Dec 21;250(4988):1659.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2270478" target="_blank"〉PubMed〈/a〉
    Keywords: Breast Neoplasms/diagnosis/*genetics/prevention & control ; Female ; Humans ; Risk Factors
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 3
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    Female primatologists confer--without men (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1990-09-28
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Dusheck, J -- New York, N.Y. -- Science. 1990 Sep 28;249(4976):1494-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2218487" target="_blank"〉PubMed〈/a〉
    Keywords: *Biological Evolution ; Congresses as Topic ; Female ; Humans ; Male ; Men ; United States ; *Women
    Print ISSN: 0036-8075
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 4
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    Acceleration of diabetes in young NOD mice with a CD4+ islet-specific T cell clone (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1990-09-21
    Description: Nonobese diabetic (NOD) mice develop an autoimmune form of diabetes, becoming hyperglycemic after 3 months of age. This process was accelerated by injecting young NOD mice with CD4+ islet-specific T cell clones derived from NOD mice. Overt diabetes developed in 10 of 19 experimental animals by 7 weeks of age, with the remaining mice showing marked signs of the disease in progress. Control mice did not become diabetic and had no significant pancreatic infiltration. This work demonstrates that a CD4 T cell clone is sufficient to initiate the disease process in the diabetes-prone NOD mouse.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Haskins, K -- McDuffie, M -- P01 DK40144/DK/NIDDK NIH HHS/ -- New York, N.Y. -- Science. 1990 Sep 21;249(4975):1433-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Barbara Davis Center for Childhood Diabetes, University of Colorado Health Sciences Center, Denver 80262.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2205920" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antigens, CD4/analysis/*immunology ; Clone Cells ; Diabetes Mellitus, Experimental/*immunology/pathology ; Female ; Islets of Langerhans/*immunology/pathology ; Male ; Mice ; Mice, Inbred Strains ; Mice, Mutant Strains ; T-Lymphocytes/*immunology/transplantation
    Print ISSN: 0036-8075
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 5
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    GT-1 binding site confers light responsive expression in transgenic tobacco (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1990-04-27
    Description: Light-dependent expression of rbcS, the gene encoding the small subunit of ribulose-1,5-bisphosphate carboxylase, which is the key enzyme involved in carbon fixation in higher plants, is regulated at the transcriptional level. Sequence analysis of the gene has uncovered a conserved GT motif in the -150 to -100 region of many rbcS promoters. This motif serves as the binding site of a nuclear factor, designated GT-1. Analysis of site-specific mutants of pea rbcS-3A promoter demonstrated that GT-1 binding in vitro is correlated with light-responsive expression of the rbcS promoter in transgenic plants. However, it is not known whether factors other than GT-1 might also be required for activation of transcription by light. A synthetic tetramer of box II (TGTGTGGTTAATATG), the GT-1 binding site located between -152 to -138 of the rbcS-3A promoter, inserted upstream of a truncated cauliflower mosaic virus 35S promoter is sufficient to confer expression in leaves of transgenic tobacco. This expression occurs principally in chloroplast-containing cells, is induced by light, and is correlated with the ability of box II to bind GT-1 in vitro. The data show that the binding site for GT-1 is likely to be a part of the molecular light switch for rbcS activation.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lam, E -- Chua, N H -- New York, N.Y. -- Science. 1990 Apr 27;248(4954):471-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratory of Plant Molecular Biology, Rockefeller University, New York, NY 10021.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2330508" target="_blank"〉PubMed〈/a〉
    Keywords: Base Sequence ; Binding Sites ; Chloramphenicol O-Acetyltransferase/genetics ; Cloning, Molecular ; DNA-Binding Proteins/*metabolism ; Gene Expression Regulation/*physiology ; Genetic Vectors ; *Light ; Molecular Sequence Data ; Mutation ; Nuclear Proteins/*metabolism ; Plant Proteins/*metabolism ; *Plants, Toxic ; Promoter Regions, Genetic/genetics ; Ribulose-Bisphosphate Carboxylase/*genetics ; Tobacco/enzymology/*genetics ; Transcription, Genetic/radiation effects ; Transformation, Genetic
    Print ISSN: 0036-8075
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 6
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    A cDNA for a protein that interacts with the human immunodeficiency virus Tat transactivator (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1990-06-29
    Description: The human immunodeficiency virus (HIV) tat protein (Tat) is a positive regulator of virus gene expression and replication. Biotinylated Tat was used as a probe to screen a lambda gt11 fusion protein library, and a complementary DNA encoding a protein that interacts with Tat was cloned. Expression of this protein, designated TBP-1 (for Tat binding protein-1), was observed in a variety of cell lines, with expression being highest in human cells. TBP-1 was localized predominantly in the nucleus, which is consistent with the nuclear localization of Tat. In cotransfection experiments, expression of TBP-1 was able to specifically suppress Tat-mediated transactivation. The strategy described may be useful for direct identification and cloning of genes encoding proteins that associate with other proteins to modulate their activity in a positive or negative fashion.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Nelbock, P -- Dillon, P J -- Perkins, A -- Rosen, C A -- New York, N.Y. -- Science. 1990 Jun 29;248(4963):1650-3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Molecular Oncology and Virology, Roche Institute of Molecular Biology, Hoffmann-La Roche Inc., Nutley, NJ 07110.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2194290" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Cell Line ; Cloning, Molecular ; DNA, Neoplasm/genetics ; DNA-Binding Proteins/*genetics/metabolism ; Escherichia coli/genetics ; Gene Expression ; Gene Library ; Gene Products, tat/*metabolism ; HIV/genetics ; Humans ; Molecular Sequence Data ; Plasmids ; Polymerase Chain Reaction ; *Proteasome Endopeptidase Complex ; Recombinant Fusion Proteins/metabolism ; Trans-Activators/*metabolism ; Transcriptional Activation ; Transfection ; tat Gene Products, Human Immunodeficiency Virus
    Print ISSN: 0036-8075
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  • 7
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    Common modifications of trimeric G proteins and ras protein: involvement of polyisoprenylation (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1990-07-13
    Description: The heterotrimeric guanine nucleotide-binding regulatory proteins act at the inner surface of the plasma membrane to relay information from cell surface receptors to effectors inside the cell. These G proteins are not integral membrane proteins, yet are membrane associated. The processing and function of the gamma subunit of the yeast G protein involved in mating-pheromone signal transduction was found to be affected by the same mutations that block ras processing. The nature of these mutations implied that the gamma subunit was polyisoprenylated and that this modification was necessary for membrane association and biological activity. A microbial screen was developed for pharmacological agents that inhibit polyisoprenylation and that have potential application in cancer therapy.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Finegold, A A -- Schafer, W R -- Rine, J -- Whiteway, M -- Tamanoi, F -- CA 41996/CA/NCI NIH HHS/ -- GM 07183/GM/NIGMS NIH HHS/ -- GM 35827/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1990 Jul 13;249(4965):165-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biochemistry and Molecular Biology, University of Chicago, IL 60637.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1695391" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Cell Membrane/metabolism ; Cloning, Molecular ; Epitopes/genetics ; GTP-Binding Proteins/genetics/*metabolism ; Hemagglutinins, Viral/immunology ; Lovastatin/pharmacology ; Mevalonic Acid/pharmacology ; Molecular Sequence Data ; Mutation ; Oncogene Protein p21(ras)/genetics/*metabolism ; Orthomyxoviridae/immunology ; Protein Processing, Post-Translational ; Saccharomyces cerevisiae/*genetics/metabolism ; Signal Transduction ; Suppression, Genetic
    Print ISSN: 0036-8075
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  • 8
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    A potent GAL4 derivative activates transcription at a distance in vitro (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1990-02-09
    Description: Transcription of a typical eukaryotic gene by RNA polymerase II is activated by proteins bound to sites found near the beginning of the gene as well as to sites, called enhancers, located a great distance from the gene. According to one view, the primary difference between an activator that can work at a large distance and one that cannot is that the former bears a particularly strong activating region; the stronger the activating region, the more readily the activator interacts with its target bound near the transcriptional start site, with the intervening DNA looping out to accommodate the reaction. One alternative view is that the effect of proteins bound to enhancers might require some special aspect of cellular or chromosome structure. Consistent with the first view, an activator bearing an unusually potent activating region can stimulate transcription of a mammalian gene in a HeLa nuclear extract when bound as far as 1.3 kilobase pairs upstream or 320 base pairs downstream of the transcriptional start site.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Carey, M -- Leatherwood, J -- Ptashne, M -- New York, N.Y. -- Science. 1990 Feb 9;247(4943):710-2.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biochemistry and Molecular Biology, Harvard University, Cambridge, MA 02138.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2405489" target="_blank"〉PubMed〈/a〉
    Keywords: Activating Transcription Factors ; Binding Sites ; Blood Proteins/pharmacology ; Cloning, Molecular ; DNA/metabolism ; DNA-Binding Proteins ; Fungal Proteins/metabolism/*pharmacology ; HeLa Cells ; Phosphoproteins/pharmacology ; Promoter Regions, Genetic ; RNA Polymerase II/metabolism ; Recombinant Fusion Proteins/pharmacology ; *Saccharomyces cerevisiae Proteins ; Templates, Genetic ; Trans-Activators/pharmacology ; Transcription Factors/pharmacology ; Transcription, Genetic/*drug effects
    Print ISSN: 0036-8075
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  • 9
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    Autophosphorylation of protein kinase C at three separated regions of its primary sequence (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1990-07-27
    Description: The major autophosphorylation sites of the rat beta II isozyme of protein kinase C were identified. The modified threonine and serine residues were found in the amino-terminal peptide, the carboxyl-terminal tail, and the hinge region between the regulatory lipid-binding domain and the catalytic kinase domain. Because this autophosphorylation follows an intrapeptide mechanism, extraordinary flexibility of the protein is necessary to phosphorylate the three regions. Comparison of the sequences surrounding the modified residues showed no obvious recognition motif nor any similarity to substrate phosphorylation sites, suggesting that proximity to the active site may be the primary criterion for their phosphorylation.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Flint, A J -- Paladini, R D -- Koshland, D E Jr -- DK09765/DK/NIDDK NIH HHS/ -- New York, N.Y. -- Science. 1990 Jul 27;249(4967):408-11.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Molecular and Cellular Biology, University of California, Berkeley 94720.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2377895" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Binding Sites ; Brain/enzymology ; Cloning, Molecular ; Isoenzymes/genetics/*metabolism ; Molecular Sequence Data ; Peptide Fragments/isolation & purification/metabolism ; Phosphorylation ; Protein Conformation ; Protein Kinase C/genetics/*metabolism ; Rats ; Recombinant Proteins/metabolism ; Signal Transduction ; Trypsin
    Print ISSN: 0036-8075
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  • 10
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    Cloning of a 67-kD neutrophil oxidase factor with similarity to a noncatalytic region of p60c-src (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1990-05-11
    Description: Chronic granulomatous diseases (CGDs) are characterized by recurrent infections resulting from impaired superoxide production by a phagocytic cell, nicotinamide adenine dinucleotide phosphate (reduced) (NADPH) oxidase. Complementary DNAs were cloned that encode the 67-kilodalton (kD) cytosolic oxidase factor (p67), which is deficient in 5% of CGD patients. Recombinant p67 (r-p67) partially restored NADPH oxidase activity to p67-deficient neutrophil cytosol from these patients. The p67 cDNA encodes a 526-amino acid protein with acidic middle and carboxyl-terminal domains that are similar to a sequence motif found in the noncatalytic domain of src-related tyrosine kinases. This motif was recently noted in phospholipase C-gamma, nonerythroid alpha-spectrin (fodrin), p21ras-guanosine triphophatase-activating protein (GAP), myosin-1 isoforms, yeast proteins cdc-25 and fus-1, and the 47-kD phagocyte oxidase factor (p47), which suggests the possibility of common regulatory features.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Leto, T L -- Lomax, K J -- Volpp, B D -- Nunoi, H -- Sechler, J M -- Nauseef, W M -- Clark, R A -- Gallin, J I -- Malech, H L -- I01 BX000513/BX/BLRD VA/ -- New York, N.Y. -- Science. 1990 May 11;248(4956):727-30.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratory of Clinical Investigation, National Institute of Allergy and Infectious Diseases, Bethesda, MD 20892.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1692159" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Base Sequence ; Cloning, Molecular ; Granulomatous Disease, Chronic/blood/enzymology/genetics ; Humans ; Molecular Sequence Data ; NADH, NADPH Oxidoreductases/blood/*genetics ; NADPH Oxidase ; Neutrophils/*enzymology ; Protein-Tyrosine Kinases/genetics ; Proto-Oncogene Proteins/*genetics ; Proto-Oncogene Proteins pp60(c-src) ; Sequence Homology, Nucleic Acid
    Print ISSN: 0036-8075
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  • 11
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    Dominant negative regulation of the mouse alpha-fetoprotein gene in adult liver (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1990-12-21
    Description: Transcription of the mouse alpha-fetoprotein gene is activated in the developing fetal liver and gut and repressed in both tissues shortly after birth. With germline transformation in mice, a cis-acting element was identified upstream of the transcription initiation site of the alpha-fetoprotein gene that was responsible for repression of the gene in adult liver. This negative element acts as a repressor in a position-dependent manner.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Vacher, J -- Tilghman, S M -- CA44976/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1990 Dec 21;250(4988):1732-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Howard Hughes Medical Institute, Department of Biology, Princeton University, NJ 08544.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1702902" target="_blank"〉PubMed〈/a〉
    Keywords: Aging ; Animals ; Animals, Newborn ; Chromosome Deletion ; Cloning, Molecular ; DNA-Binding Proteins/metabolism ; Enhancer Elements, Genetic ; Fetus ; *Gene Expression Regulation ; Hepatocyte Nuclear Factor 1 ; Hepatocyte Nuclear Factor 1-alpha ; Hepatocyte Nuclear Factor 1-beta ; Liver/growth & development/*metabolism ; Mice ; *Nuclear Proteins ; Transcription Factors/metabolism ; Transcription, Genetic ; alpha-Fetoproteins/*genetics
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  • 12
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    RAG-1 and RAG-2, adjacent genes that synergistically activate V(D)J recombination (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    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
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  • 13
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    High-resolution mapping of human chromosome 11 by in situ hybridization with cosmid clones (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    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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  • 14
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    Expression of T cell antigen receptor heterodimers in a lipid-linked form (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1990-08-10
    Description: The interaction of the T cell receptor for antigen (TCR) with its antigen-major histocompatibility complex ligand is difficult to study because both are cell surface multimers. The TCR consists of two chains (alpha and beta) that are complexed to the five or more nonpolymorphic CD3 polypeptides. A soluble form of the TCR was engineered by replacing the carboxyl termini of alpha and beta with signal sequences from lipid-linked proteins, making them susceptible to enzymatic cleavage. In this manner, TCR heterodimers can be expressed independently of the CD3 polypeptides and in significant quantities (0.5 milligram per week). This technique seems generalizable to biochemical and structural studies of many other cell surface molecules as well.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lin, A Y -- Devaux, B -- Green, A -- Sagerstrom, C -- Elliott, J F -- Davis, M M -- New York, N.Y. -- Science. 1990 Aug 10;249(4969):677-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Howard Hughes Medical Institute, Stanford University School of Medicine, CA 94305-5402.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1696397" target="_blank"〉PubMed〈/a〉
    Keywords: Alkaline Phosphatase/genetics ; Amino Acid Sequence ; Animals ; Antigens, CD3 ; Antigens, CD55 ; Antigens, Differentiation, T-Lymphocyte/genetics ; Cell Line ; Complement Inactivator Proteins/genetics ; Female ; Humans ; Macromolecular Substances ; Membrane Proteins/genetics ; Molecular Sequence Data ; Placenta/enzymology ; Pregnancy ; Protein Sorting Signals/genetics ; Receptors, Antigen, T-Cell/*genetics ; Transfection
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  • 15
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    Requirement of ets-2 expression for Xenopus oocyte maturation (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1990-12-07
    Description: A molecular clone of the Xenopus laevis ets-2 gene was isolated from an oocyte complementary DNA library. The amount of messenger RNA (mRNA) in each oocyte or embryo was almost constant during oogenesis and was maintained until the blastula stage of embryonic development, indicating that the observed 3.2-kilobase transcript is a maternal message. The only normal adult tissue in which ets-2 mRNA was detected was the ovary. Injection of antisense oligonucleotides homologous to the ets-2 sequence into oocytes led to degradation of the mRNA and blocked hormone-induced germinal vesicle breakdown. The ets-2 product is thus required for the meiotic maturation of Xenopus oocytes.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Chen, Z Q -- Burdett, L A -- Seth, A K -- Lautenberger, J A -- Papas, T S -- New York, N.Y. -- Science. 1990 Dec 7;250(4986):1416-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratory of Molecular Oncology, National Cancer Institute, Frederick, MD 21702.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2255913" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Division ; *DNA-Binding Proteins ; Embryo, Nonmammalian/physiology ; Female ; Gene Expression ; Gene Library ; Oligonucleotides, Antisense/pharmacology ; Oocytes/cytology/drug effects/*physiology ; Oogenesis ; Protein-Tyrosine Kinases/genetics ; Proto-Oncogene Protein c-ets-2 ; Proto-Oncogene Proteins/*genetics ; *Proto-Oncogenes ; RNA, Messenger/analysis/genetics ; *Repressor Proteins ; *Trans-Activators ; *Transcription Factors ; Transcription, Genetic ; Xenopus laevis
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  • 16
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    Genetic differences in the ethanol sensitivity of GABAA receptors expressed in Xenopus oocytes (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1990-07-20
    Description: Animal lines selected for differences in drug sensitivity can be used to help determine the molecular basis of drug action. Long-sleep (LS) and short-sleep (SS) mice differ markedly in their genetic sensitivity to ethanol. To investigate the molecular basis for this difference, mRNA from brains of LS and SS mice was expressed in Xenopus oocytes and the ethanol sensitivity of gamma-aminobutyric acid A (GABAA)- and N-methyl D-aspartate (NMDA)-activated ion channels was tested. Ethanol facilitated GABA responses in oocytes injected with mRNA from LS mice but antagonized responses in oocytes injected with mRNA from SS animals. Ethanol inhibited NMDA responses equally in the two lines. Thus, genes coding for the GABAA receptor or associated proteins may be critical determinants of individual differences in ethanol sensitivity.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wafford, K A -- Burnett, D M -- Dunwiddie, T V -- Harris, R A -- AA03527/AA/NIAAA NIH HHS/ -- AA06399/AA/NIAAA NIH HHS/ -- New York, N.Y. -- Science. 1990 Jul 20;249(4966):291-3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Pharmacology, University of Colorado Health Sciences Center, Denver.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1695761" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Aspartic Acid/analogs & derivatives/pharmacology ; Brain/*metabolism ; Chloride Channels ; Chlorides/*physiology ; Diazepam/pharmacology ; Ethanol/*pharmacology ; Female ; Ion Channels/drug effects/physiology ; Membrane Proteins/*physiology ; Mice ; Mice, Inbred Strains ; Microinjections ; N-Methylaspartate ; Oocytes/*drug effects/*physiology ; RNA, Messenger/administration & dosage/genetics ; Receptors, GABA-A/drug effects/*genetics ; Xenopus ; gamma-Aminobutyric Acid/pharmacology
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  • 17
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    beta-Arrestin: a protein that regulates beta-adrenergic receptor function (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1990-06-22
    Description: Homologous or agonist-specific desensitization of beta-adrenergic receptors is thought to be mediated by a specific kinase, the beta-adrenergic receptor kinase (beta ARK). However, recent data suggest that a cofactor is required for this kinase to inhibit receptor function. The complementary DNA for such a cofactor was cloned and found to encode a 418-amino acid protein homologous to the retinal protein arrestin. The protein, termed beta-arrestin, was expressed and partially purified. It inhibited the signaling function of beta ARK-phosphorylated beta-adrenergic receptors by more than 75 percent, but not that of rhodopsin. It is proposed that beta-arrestin in concert with beta ARK effects homologous desensitization of beta-adrenergic receptors.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lohse, M J -- Benovic, J L -- Codina, J -- Caron, M G -- Lefkowitz, R J -- DK19318/DK/NIDDK NIH HHS/ -- HL16037/HL/NHLBI NIH HHS/ -- New York, N.Y. -- Science. 1990 Jun 22;248(4962):1547-50.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Howard Hughes Medical Institute, Department of Medicine, Biochemistry and Cell Biology, Durham, NC 27710.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2163110" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Antigens/*genetics/isolation & purification/pharmacology ; Arrestin ; Blotting, Northern ; Chromatography, Ion Exchange ; Cloning, Molecular ; *Cyclic AMP-Dependent Protein Kinases ; DNA/genetics ; Eye Proteins/*genetics/isolation & purification/pharmacology ; Gene Expression Regulation ; Molecular Sequence Data ; Phosphodiesterase Inhibitors/*pharmacology ; Phosphorylation ; Protein Kinases/*pharmacology ; RNA, Messenger/analysis ; Receptors, Adrenergic, beta/*drug effects/physiology ; Transfection ; beta-Adrenergic Receptor Kinases
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  • 18
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    Human cortical neuronal cell line: establishment from a patient with unilateral megalencephaly (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1990-05-04
    Description: A cell line has been established in continuous culture of human cerebral cortical neurons obtained from a patient with unilateral megalencephaly, a disorder associated with continued proliferation of immature neuronal cells. When differentiated in the presence of nerve growth factor, 1-isobutyl-3-methylxanthine, and dibutyryl adenosine 3',5'-monophosphate (cAMP), the cells display mature neuronal morphology with numerous long, extensively branched processes with spines and varicosities. The cells stain positively for neurofilament protein and neuron-specific enolase (selective neuronal markers) but are negative for glial markers, such as glial fibrillary acidic protein, S-100, and myelin basic protein. The cells also stain positively for the neurotransmitters gamma-aminobutyric acid (GABA), glutamate, somatostatin, cholecystokinin-8, and vasoactive intestinal polypeptide. These cells may facilitate characterization of neurons in the human central nervous system.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ronnett, G V -- Hester, L D -- Nye, J S -- Connors, K -- Snyder, S H -- DA 00074/DA/NIDA NIH HHS/ -- DA 00266/DA/NIDA NIH HHS/ -- MH 18501/MH/NIMH NIH HHS/ -- etc. -- New York, N.Y. -- Science. 1990 May 4;248(4955):603-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Neurology, Johns Hopkins University School of Medicine, Baltimore, MD 21205.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1692158" target="_blank"〉PubMed〈/a〉
    Keywords: 1-Methyl-3-isobutylxanthine/pharmacology ; Brain Diseases/*pathology ; Bucladesine/pharmacology ; Cell Differentiation/drug effects ; Cell Line ; Cerebral Cortex/*pathology ; Culture Techniques/methods ; Female ; Humans ; Infant ; Nerve Growth Factors/pharmacology ; Nerve Tissue Proteins/analysis ; Neurons/cytology/drug effects/*pathology ; Neurotransmitter Agents/analysis ; gamma-Aminobutyric Acid/analysis
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  • 19
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    Direct interaction of a ligand for the erbB2 oncogene product with the EGF receptor and p185erbB2 (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1990-09-28
    Description: The erbB2 oncogene encodes a 185-kilodalton transmembrane protein whose sequence is similar to the epidermal growth factor receptor (EGFR). A 30-kilodalton factor (gp30) secreted from MDA-MB-231 human breast cancer cells was shown to be a ligand for p185erbB2. An antibody to EGFR abolished the tyrosine phosphorylation induced by EGF and transforming growth factor-alpha (TGF-alpha) but only partially blocked that produced by gp30 in SK-BR-3 breast cancer cells. In two cell lines that overexpress erbB2 but do not expresss EGFR (MDA-MB-453 breast cancer cells and a Chinese hamster ovary cell line that had been transfected with erbB2), phosphorylation of p185erbB2 was induced only by gp30. The gp30 specifically inhibited the growth of cells that overexpressed p185erbB2. An antibody to EGFR had no effect on the inhibition of SK-BR-3 cell colony formation obtained with gp30. Thus, it appeared that gp30 interacted directly with the EGFR and erbB2. Direct binding of gp30 to p185erbB2 was confirmed by binding competition experiments, where gp30 was found to displace the p185erbB2 binding of a specific antibody to p185erbB2. The evidence described here suggests that gp30 is a ligand for p185erbB2.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lupu, R -- Colomer, R -- Zugmaier, G -- Sarup, J -- Shepard, M -- Slamon, D -- Lippman, M E -- New York, N.Y. -- Science. 1990 Sep 28;249(4976):1552-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Vincent T. Lombardi Cancer Research Center, Georgetown University Medical Center, Washington, DC 20007.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2218496" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antibodies, Monoclonal ; Binding, Competitive ; Breast Neoplasms ; Cell Line ; Chromatography, Affinity ; Female ; Humans ; Kinetics ; Ligands ; Molecular Weight ; Phosphorylation ; Protein-Tyrosine Kinases/metabolism ; Proto-Oncogene Proteins/genetics/immunology/*metabolism ; Proto-Oncogenes ; Receptor, Epidermal Growth Factor/isolation & purification/*metabolism ; Transfection
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  • 20
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    All-women conference: did it discriminate? (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1990-12-07
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Galloway, A -- New York, N.Y. -- Science. 1990 Dec 7;250(4986):1319.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2078250" target="_blank"〉PubMed〈/a〉
    Keywords: *Congresses as Topic ; Female ; Government Agencies ; Humans ; *Prejudice ; Science ; United States ; *Women
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  • 21
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    Identity of inositol 1,2-cyclic phosphate 2-phosphohydrolase with lipocortin III (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1990-05-04
    Description: The amino acid sequences of three fragments of cyanogen bromide-digested human placental inositol 1,2-cyclic phosphate 2-phosphohydrolase, an enzyme of the phosphatidylinositol signaling pathway, are identical to sequences within lipocortin III, a member of a family of homologous calcium- and phospholipid-binding proteins that do not have defined physiological functions. Lipocortin III has also been previously identified as placental anticoagulant protein III (PAP III) and calcimedin 35 alpha. Antibodies to PAP III detected PAP III and inositol 1,2-cyclic phosphate 2-phosphohydrolase with identical reactivity on immunoblotting. In addition, inositol 1,2-cyclic phosphate 2-phosphohydrolase was stimulated by the same acidic phospholipids that bind lipocortins.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ross, T S -- Tait, J F -- Majerus, P W -- HLBI 14147/HL/NHLBI NIH HHS/ -- HLBI 16634/HL/NHLBI NIH HHS/ -- HLBI 40801/HL/NHLBI NIH HHS/ -- New York, N.Y. -- Science. 1990 May 4;248(4955):605-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Internal Medicine, Washington University School of Medicine, St Louis, MO 63110.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2159184" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Annexin A3 ; Annexins ; Calcium-Binding Proteins/*genetics ; Female ; Humans ; Immunoblotting ; Kinetics ; Molecular Sequence Data ; Phosphoric Diester Hydrolases/*genetics/isolation & purification/metabolism ; Placenta/*enzymology ; Pregnancy
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  • 22
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    Two G protein oncogenes in human endocrine tumors (1990)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1990-08-10
    Description: Somatic mutations in a subset of growth hormone (GH)-secreting pituitary tumors convert the gene for the alpha polypeptide chain (alpha s) of Gs into a putative oncogene, termed gsp. These mutations, which activate alpha s by inhibiting its guanosine triphosphatase (GTPase) activity, are found in codons for either of two amino acids, each of which is completely conserved in all known G protein alpha chains. The likelihood that similar mutations would activate other G proteins prompted a survey of human tumors for mutations that replace either of these two amino acids in other G protein alpha chain genes. The first gene so far tested, which encodes the alpha chain of Gi2, showed mutations that replaced arginine-179 with either cysteine or histidine in 3 of 11 tumors of the adrenal cortex and 3 of 10 endocrine tumors of the ovary. The mutant alpha i2 gene is a putative oncogene, referred to as gip2. In addition, gsp mutations were found in 18 of 42 GH-secreting pituitary tumors and in an autonomously functioning thyroid adenoma. These findings suggest that human tumors may harbor oncogenic mutations in various G protein alpha chain genes.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lyons, J -- Landis, C A -- Harsh, G -- Vallar, L -- Grunewald, K -- Feichtinger, H -- Duh, Q Y -- Clark, O H -- Kawasaki, E -- Bourne, H R -- New York, N.Y. -- Science. 1990 Aug 10;249(4969):655-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Human Genetics, Cetus Corporation, Emeryville CA 94608.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2116665" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Base Sequence ; DNA, Neoplasm/genetics ; Endocrine System Diseases/*genetics ; Female ; GTP Phosphohydrolases/genetics/metabolism ; GTP-Binding Proteins/*genetics/metabolism ; Humans ; Male ; Molecular Sequence Data ; *Mutation ; Neoplasms/*genetics ; Oligonucleotide Probes ; *Oncogenes ; Pituitary Neoplasms/*genetics ; Polymerase Chain Reaction
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  • 23
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    Characterization of naturally occurring minor histocompatibility peptides including H-4 and H-Y (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1990-07-20
    Description: Minor histocompatibility (H) antigens can be peptides derived from cellular proteins that are presented on the cell surface by major histocompatibility complex (MHC) class I molecules. This is similar to viral antigens, because in both cases cytotoxic T lymphocytes (CTLs) recognize artificially produced peptides loaded on target cells. Naturally processed minor H peptides were found to be similar to those artificial CTL-epitopes, as far as size and hydrophobicity is concerned. The peptides studied were isolated from a transfectant that expressed a model CTL-defined antigen, beta-galactosidase, from male cells that express H-Y, which has been known operationally since 1955, and from cells that express H-4, known since 1961.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Rotzschke, O -- Falk, K -- Wallny, H J -- Faath, S -- Rammensee, H G -- New York, N.Y. -- Science. 1990 Jul 20;249(4966):283-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Max-Planck-Institut fur Biologie, Abteilung Immungenetik, Tubingen, Federal Republic of Germany.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1695760" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Epitopes/isolation & purification ; Female ; H-Y Antigen/*analysis/immunology ; Male ; Mice ; Mice, Inbred Strains ; Minor Histocompatibility Antigens/*analysis/immunology ; Molecular Sequence Data ; Peptides/chemical synthesis ; Species Specificity ; Spleen/immunology ; T-Lymphocytes, Cytotoxic/*immunology
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  • 24
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    Reversal of creatine kinase translational repression by 3' untranslated sequences (1990)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1990-05-25
    Description: A subline of U937 cells (U937D) was obtained in which creatine kinase B (CK-B) messenger RNA was present and bound to ribosomes, but CK activity was undetectable. Transformation of U937D cells with retrovirus vectors that contain the 3' untranslated region (3' UTR) of CK-B messenger RNA exhibited CK activity with no change in abundance of CK-B mRNA. The 3' UTR formed a complex in vitro with a component of S100 extracts from wild-type cells. This binding activity was not detectable in S100 extracts from cells that expressed CK activity after transformation with the 3' UTR-containing vector. These results suggest that translation of CK-B is repressed by binding of a soluble factor or factors to the 3' UTR.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ch'ng, J L -- Shoemaker, D L -- Schimmel, P -- Holmes, E W -- GM34366/GM/NIGMS NIH HHS/ -- R01-CA 47631-02/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1990 May 25;248(4958):1003-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Medicine, Duke University, Durham, NC 27710.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2343304" target="_blank"〉PubMed〈/a〉
    Keywords: Cell Line ; Cloning, Molecular ; Creatine Kinase/*genetics ; *Gene Expression Regulation ; Humans ; Hypoxanthine Phosphoribosyltransferase/genetics ; Polyribosomes/metabolism ; *Protein Biosynthesis ; RNA, Messenger/*genetics
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  • 25
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    Zebrafish as developmental models (1990)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1990-12-07
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Page, L M -- New York, N.Y. -- Science. 1990 Dec 7;250(4986):1320.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2255901" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Female ; Models, Biological ; Reproduction ; Species Specificity ; Zebrafish/genetics/*physiology
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  • 26
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    Hypertriglyceridemia as a result of human apo CIII gene expression in transgenic mice (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1990-08-17
    Description: Primary and secondary hypertriglyceridemia is common in the general population, but the biochemical basis for this disease is largely unknown. With the use of transgenic technology, two lines of mice were created that express the human apolipoprotein CIII gene. One of these mouse lines with 100 copies of the gene was found to express large amounts of the protein and to be severely hypertriglyceridemic. The other mouse line with one to two copies of the gene expressed low amounts of the protein, but nevertheless manifested mild hypertriglyceridemia. Thus, overexpression of apolipoprotein CIII can be a primary cause of hypertriglyceridemia in vivo and may provide one possible etiology for this common disorder in humans.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ito, Y -- Azrolan, N -- O'Connell, A -- Walsh, A -- Breslow, J L -- HL 36461/HL/NHLBI NIH HHS/ -- HL33435/HL/NHLBI NIH HHS/ -- HL33714/HL/NHLBI NIH HHS/ -- etc. -- New York, N.Y. -- Science. 1990 Aug 17;249(4970):790-3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Rockefeller University, New York, NY 10021.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2167514" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Apolipoprotein C-III ; Apolipoproteins C/blood/*genetics ; Chylomicrons/blood ; Cloning, Molecular ; DNA Restriction Enzymes/metabolism ; DNA, Recombinant/metabolism ; *Gene Expression ; Humans ; Hypertriglyceridemia/blood/*genetics ; Lipoproteins, VLDL/blood ; Mice ; Mice, Inbred C57BL ; Mice, Inbred CBA ; Mice, Transgenic ; Nucleic Acid Hybridization ; RNA, Messenger/genetics ; Triglycerides/blood
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  • 27
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    Psychological responses after abortion (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1990-04-06
    Description: A review of methodologically sound studies of the psychological responses of U.S. women after they obtained legal, nonrestrictive abortions indicates that distress is generally greatest before the abortion and that the incidence of severe negative responses is low. Factors associated with increased risk of negative response are consistent with those reported in research on other stressful life events.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Adler, N E -- David, H P -- Major, B N -- Roth, S H -- Russo, N F -- Wyatt, G E -- New York, N.Y. -- Science. 1990 Apr 6;248(4951):41-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉University of California, San Francisco 94143.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2181664" target="_blank"〉PubMed〈/a〉
    Keywords: Abortion, Induced/*psychology ; Adaptation, Psychological ; Adolescent ; Emotions ; Female ; Humans ; Pregnancy ; Pregnancy Trimester, First ; *Pregnant Women ; Risk Assessment ; Social Support ; United States
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    T cells responsive to myelin basic protein in patients with multiple sclerosis (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1990-02-09
    Description: Gene mutation in vivo in human T lymphocytes appears to occur preferentially in dividing cells. Individuals with multiple sclerosis (MS) are assumed to have one or more populations of diving T cells that are being stimulated by autoantigens. Mutant T cell clones from MS patients were isolated and tested for reactivity to myelin basic protein, an antigen that is thought to participate in the induction of the disease. The hypoxanthine guanine phosphoribosyltransferase (hprt) clonal assay was used to determine mutant frequency values in MS patients with chronic progressive disease. Eleven of 258 thioguanine-resistant (hprt-) T cell clones from five of the six MS patients who were tested proliferated in response to human myelin basic protein without prior in vitro exposure to this antigen. No wild-type clones from these patients, nor any hprt- or wild-type clones from three healthy individuals responded to myelin basic protein. Thus, T cell clones that react with myelin basic protein can be isolated from the peripheral blood of MS patients.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Allegretta, M -- Nicklas, J A -- Sriram, S -- Albertini, R J -- CA30688-07/CA/NCI NIH HHS/ -- NS00849/NS/NINDS NIH HHS/ -- New York, N.Y. -- Science. 1990 Feb 9;247(4943):718-21.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Genetics Laboratory, University of Vermont, Burlington 05401.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1689076" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Autoantigens/immunology ; Cell Division ; Clone Cells/immunology ; Female ; Humans ; Hypoxanthine Phosphoribosyltransferase/genetics ; Male ; Middle Aged ; Multiple Sclerosis/genetics/*immunology ; Mutation ; Myelin Basic Protein/*immunology ; T-Lymphocytes/drug effects/*immunology ; Thioguanine/pharmacology ; X Chromosome
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Experts clash over cancer data (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1990-11-16
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Marshall, E -- New York, N.Y. -- Science. 1990 Nov 16;250(4983):900-2.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2237436" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Aged ; Female ; Humans ; Male ; Middle Aged ; Neoplasms/*mortality ; United States
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Smokers: black and white (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1990-07-20
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Schneiderman, M -- Davis, D L -- Wagener, D K -- New York, N.Y. -- Science. 1990 Jul 20;249(4966):228-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2374921" target="_blank"〉PubMed〈/a〉
    Keywords: African Americans ; European Continental Ancestry Group ; Female ; Humans ; Lung Neoplasms/mortality ; Male ; Prevalence ; Smoking/*epidemiology ; United States
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    A mouse model of the aniridia-Wilms tumor deletion syndrome (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1990-11-09
    Description: Deletion of chromosome 11p13 in humans produces the WAGR syndrome, consisting of aniridia (an absence or malformation of the iris), Wilms tumor (nephroblastoma), genitourinary malformations, and mental retardation. An interspecies backcross between Mus musculus/domesticus and Mus spretus was made in order to map the homologous chromosomal region in the mouse genome and to define an animal model of this syndrome. Nine evolutionarily conserved DNA clones from proximal human 11p were localized on mouse chromosome 2 near Small-eyes (Sey), a semidominant mutation that is phenotypically similar to aniridia. Analysis of Dickie's Small-eye (SeyDey), a poorly viable allele that has pleiotropic effects, revealed the deletion of three clones, f3, f8, and k13, which encompass the aniridia (AN2) and Wilms tumor susceptibility genes in man. Unlike their human counterparts, SeyDey/+ mice do not develop nephroblastomas. These findings suggest that the Small-eye defect is genetically equivalent to human aniridia, but that loss of the murine homolog of the Wilms tumor gene is not sufficient for tumor initiation. A comparison among Sey alleles suggests that the AN2 gene product is required for induction of the lens and nasal placodes.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Glaser, T -- Lane, J -- Housman, D -- 2 T32 GMO7753-11/GM/NIGMS NIH HHS/ -- GM27882/GM/NIGMS NIH HHS/ -- T32 GM007753/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1990 Nov 9;250(4982):823-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Center for Cancer Research, Massachusetts Institute of Technology, Cambridge 02139.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2173141" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Aniridia/*genetics ; Blotting, Southern ; Chromosome Deletion ; Chromosome Mapping ; DNA/analysis ; *Disease Models, Animal ; Eye/embryology/pathology ; Female ; Genes, Wilms Tumor/*genetics ; Genetic Markers ; Kidney Neoplasms/*genetics ; Male ; Mice ; Mice, Inbred C3H ; Mice, Inbred C57BL ; Muridae ; Mutation ; Phenotype ; Polymorphism, Genetic ; Syndrome ; Wilms Tumor/*genetics
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    HSP104 required for induced thermotolerance (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1990-06-01
    Description: A heat shock protein gene, HSP104, was isolated from Saccharomyces cerevisiae and a deletion mutation was introduced into yeast cells. Mutant cells grew at the same rate as wild-type cells and died at the same rate when exposed directly to high temperatures. However, when given a mild pre-heat treatment, the mutant cells did not acquire tolerance to heat, as did wild-type cells. Transformation with the wild-type gene rescued the defect of mutant cells. The results demonstrate that a particular heat shock protein plays a critical role in cell survival at extreme temperatures.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sanchez, Y -- Lindquist, S L -- GM 35483/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1990 Jun 1;248(4959):1112-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Howard Hughes Medical Institute, Department of Molecular Genetics and Cell Biology, University of Chicago, Illinois 60637.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2188365" target="_blank"〉PubMed〈/a〉
    Keywords: Cloning, Molecular ; Fungal Proteins/biosynthesis/*genetics ; Genes, Fungal ; Heat-Shock Proteins/biosynthesis/genetics/*physiology ; *Hot Temperature ; Mutation ; Restriction Mapping ; Saccharomyces cerevisiae/genetics/growth & development/*physiology
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Identification of a specialized adenylyl cyclase that may mediate odorant detection (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1990-12-07
    Description: The mammalian olfactory system may transduce odorant information via a G protein-mediated adenosine 3',5'-monophosphate (cAMP) cascade. A newly discovered adenylyl cyclase, termed type III, has been cloned, and its expression was localized to olfactory neurons. The type III protein resides in the sensory neuronal cilia, which project into the nasal lumen and are accessible to airborne odorants. The enzymatic activity of the type III adenylyl cyclase appears to differ from nonsensory cyclases. The large difference seen between basal and stimulated activity for the type III enzyme could allow considerable modulation of the intracellular cAMP concentration. This property may represent one mechanism of achieving sensitivity in odorant perception.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bakalyar, H A -- Reed, R R -- 5T32CA09339/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1990 Dec 7;250(4986):1403-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Molecular Biology and Genetics, Howard Hughes Medical Institute, Johns Hopkins University School of Medicine, Baltimore, MD 21205.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2255909" target="_blank"〉PubMed〈/a〉
    Keywords: Adenylyl Cyclases/genetics/*physiology ; Amino Acid Sequence ; Animals ; Brain/enzymology/physiology ; Cell Line ; Clone Cells ; Cloning, Molecular ; Gene Library ; Glycosylation ; Isoenzymes/genetics/*physiology ; Macromolecular Substances ; Molecular Sequence Data ; Molecular Weight ; Neurons, Afferent/enzymology/physiology ; Nose/enzymology/physiology ; *Odors ; Protein Conformation ; Rats ; *Signal Transduction
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Subtle cerebellar phenotype in mice homozygous for a targeted deletion of the En-2 homeobox (1991)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1991-03-08
    Description: The two mouse genes, En-1 and En-2, that are homologs of the Drosophila segmentation gene engrailed, show overlapping spatially restricted patterns of expression in the neural tube during embryogenesis, suggestive of a role in regional specification. Mice homozygous for a targeted mutation that deletes the homeobox were viable and showed no obvious defects in embryonic development. This may be due to functional redundancy of En-2 and the related En-1 gene product during embryogenesis. Consistent with this hypothesis, the mutant mice showed abnormal foliation in the adult cerebellum, where En-2, and not En-1, is normally expressed.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Joyner, A L -- Herrup, K -- Auerbach, B A -- Davis, C A -- Rossant, J -- HD25334/HD/NICHD NIH HHS/ -- NS18381/NS/NINDS NIH HHS/ -- NS20591/NS/NINDS NIH HHS/ -- New York, N.Y. -- Science. 1991 Mar 8;251(4998):1239-43.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Samuel Lunenfeld Research Institute, Mount Sinai Hospital, Toronto, Ontario, Canada.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1672471" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Blastocyst ; Cell Line ; Cerebellum/*anatomy & histology/embryology/pathology ; Chimera ; *Chromosome Deletion ; Female ; *Genes, Homeobox ; Male ; Mice ; Mice, Inbred BALB C ; Mice, Inbred C57BL ; Nervous System/embryology ; Phenotype
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Peptide processing and targeting in the neuronal secretory pathway (1991)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1991-03-15
    Description: The abdominal ganglion of the marine mollusk Aplysia contains a pair of identified neuronal clusters, the bag cells, which control egg laying by means of a number of unique regulatory mechanisms. Each neuron in the bag cell clusters synthesizes several peptides derived from a single prohormone and packages them into separate vesicles. These vesicles are then differentially localized in specific neuronal processes, thus segregating peptides destined for autocrine and hormonal release sites. Therefore in this system, protein trafficking through the secretory pathway organizes multiple peptide neurochemical messengers to efficiently regulate simple behaviors.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Jung, L J -- Scheller, R H -- New York, N.Y. -- Science. 1991 Mar 15;251(4999):1330-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Howard Hughes Medical Institute, Department of Molecular and Cellular Physiology, Beckman Center, Stanford University, CA 94305.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2003219" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Aplysia/genetics/*physiology ; Cell Compartmentation ; Cloning, Molecular ; DNA/genetics ; Invertebrate Hormones/genetics/*metabolism ; Neuropeptides/*physiology ; Neurosecretory Systems/*physiology ; Protein Precursors/metabolism ; Protein Processing, Post-Translational ; Sexual Behavior, Animal/physiology ; Transfection
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Reproductive behavior and health in consanguineous marriages (1991)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1991-05-10
    Description: In many regions of Asia and Africa, consanguineous marriages currently account for approximately 20 to 50% of all unions, and preliminary observations indicate that migrants from these areas continue to contract marriages with close relatives when resident in North America and Western Europe. Consanguinity is associated with increased gross fertility, due at least in part to younger maternal age at first livebirth. Morbidity and mortality also may be elevated, resulting in comparable numbers of surviving offspring in consanguineous and nonconsanguineous families. With advances in medicine and public health, genetic disorders will account for an increased proportion of disease worldwide. Predictably, this burden will fall more heavily on countries and communities in which consanguinity is strongly favored, as the result of the expression of deleterious recessive genes. However, studies conducted in such populations indicate that the adverse effects associated with inbreeding are experienced by a minority of families.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bittles, A H -- Mason, W M -- Greene, J -- Rao, N A -- New York, N.Y. -- Science. 1991 May 10;252(5007):789-94.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉King's College, University of London.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2028254" target="_blank"〉PubMed〈/a〉
    Keywords: Congenital Abnormalities/epidemiology ; *Consanguinity ; Female ; Humans ; India ; Infertility ; Marriage ; Maternal Age ; Parity ; Pregnancy ; Pregnancy Outcome ; Regression Analysis ; Sexual Behavior/*statistics & numerical data
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    Identification of the DNA binding site for NGFI-B by genetic selection in yeast (1991)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1991-05-31
    Description: An in vivo selection system for isolating targets of DNA binding proteins in yeast was developed and used to identify the DNA binding site for the NGFI-B protein, a member of the steroid-thyroid hormone receptor superfamily. The feasibility of the technique was verified by selecting DNA fragments that contained binding sites for GCN4, a well-characterized yeast transcriptional activator. The DNA binding domain of NGFI-B, expressed as part of a LexA-NGFI-B-GAL4 chimeric activator, was then used to isolate a rat genomic DNA fragment that contained an NGFI-B binding site. The NGFI-B response element (NBRE) is similar to but functionally distinct from elements recognized by the estrogen and thyroid hormone receptors and the hormone receptor-like proteins COUP-TF, CF1, and H-2RIIBP. Cotransfection experiments in mammalian cells demonstrated that NGFI-B can activate transcription from the NBRE with or without its putative ligand binding domain.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wilson, T E -- Fahrner, T J -- Johnston, M -- Milbrandt, J -- NS01018/NS/NINDS NIH HHS/ -- P01 CA49712/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1991 May 31;252(5010):1296-300.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Pathology, Washington University School of Medicine, St. Louis, MO 63110.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1925541" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Bacterial Proteins/metabolism ; Base Sequence ; Binding Sites ; Cloning, Molecular ; DNA, Fungal/*metabolism ; DNA-Binding Proteins/genetics/*metabolism/pharmacology ; Fungal Proteins/metabolism ; Molecular Sequence Data ; Nuclear Receptor Subfamily 4, Group A, Member 1 ; Plasmids ; *Protein Kinases ; Rats ; Receptors, Cytoplasmic and Nuclear ; Receptors, Steroid ; Repressor Proteins ; Saccharomyces cerevisiae/*genetics ; *Saccharomyces cerevisiae Proteins ; *Serine Endopeptidases ; Transcription Factors/genetics/*metabolism/pharmacology ; Transcription, Genetic ; Transfection
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    Breast cancer: stalemate in the war on cancer (1991)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1991-12-20
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Marshall, E -- New York, N.Y. -- Science. 1991 Dec 20;254(5039):1719-20.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1763320" target="_blank"〉PubMed〈/a〉
    Keywords: Breast Neoplasms/*economics/prevention & control/therapy ; Female ; Government Agencies ; Humans ; National Institutes of Health (U.S.) ; Research Support as Topic ; United States
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  • 39
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    Split anergy in a CD8+ T cell: receptor-dependent cytolysis in the absence of interleukin-2 production (1991)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1991-03-08
    Description: Engagement of the antigen-specific receptor (TCR) of CD4+ T lymphocytes without a second (costimulatory) signal prevents the subsequent production of interleukin-2 (IL-2) by these cells. Because IL-2 is a key immunoregulatory lymphokine and is also produced by a subset of CD8+ T cells that are able to kill target cells, the effect of engaging the TCR of one such clone in the absence of costimulatory signals was examined. The capacity for TCR-dependent IL-2 production was lost, indicating comparable costimulator-dependent signaling requirements for IL-2 production in CD4+ and CD8+ T cells. However, TCR-mediated cytotoxicity was not impaired, implying that costimulation is required for only certain TCR-dependent effector functions.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Otten, G R -- Germain, R N -- New York, N.Y. -- Science. 1991 Mar 8;251(4998):1228-31.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Lymphocyte Biology Section, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD 20892.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1900952" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antibodies, Monoclonal/immunology ; Antigen-Presenting Cells/immunology ; Antigens, CD8 ; Antigens, Differentiation, T-Lymphocyte/*immunology ; Female ; Interleukin-2/biosynthesis/*physiology ; Kinetics ; Lymphocyte Activation ; Mice ; Mice, Inbred Strains ; Ovalbumin/immunology ; Rats ; Receptors, Antigen, T-Cell/*immunology ; Spleen/immunology/radiation effects ; T-Lymphocytes/*immunology
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    Molecular nature of the Drosophila sex determination signal and its link to neurogenesis (1991)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1991-03-01
    Description: In 1921 it was discovered that the sexual fate of Drosophila is determined by the ratio of X chromosomes to sets of autosomes. Only recently has it been found that the X chromosome to autosome (X:A) ratio is communicated in part by the dose of sisterless-b (sis-b), an X-linked genetic element located within the achaete-scute complex of genes involved in neurogenesis. In this report, the molecular nature of the primary sex determination signal and its relation to these proneural genes was determined by analysis of sis-b+ germline transformants. The sis-b+ function is confered by protein T4, a member of the helix-loop-helix family of transcription factors. Although T4 is shared by sis-b and scute-alpha, the regulatory regions of sis-b, which control T4 expression in sex determination, are both separable from and simpler than those of scute-alpha, which control T4 expression in neurogenesis. Dose-sensitive cooperative interactions in the assembly or binding of sis-dependent transcription factors may directly determine the activity of the female-specific promoter of Sex-lethal, the master regulator of sexual development. In this model there is no need to invoke the existence of analogous autosomal negative regulators of Sex-lethal.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Erickson, J W -- Cline, T W -- GM 23468/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1991 Mar 1;251(4997):1071-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Molecular and Cell Biology, University of California, Berkeley 94720.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1900130" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Animals, Genetically Modified ; DNA Mutational Analysis ; Dosage Compensation, Genetic ; Drosophila melanogaster/*genetics ; Female ; Genes ; Genes, Lethal ; Male ; *Nervous System Physiological Phenomena ; Restriction Mapping ; *Sex Determination Analysis ; Transcription, Genetic ; X Chromosome/physiology
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    Viruses in human cancers (1991)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1991-11-22
    Description: Viruses may contribute to the development of human tumors by different mechanisms: indirectly by inducing immunosuppression or by modifying the host cell genome without persistence of viral DNA; directly by inducing oncoproteins or by altering the expression of host cell proteins at the site of viral DNA integration. Human cancers associated with papillomavirus, hepatitis B virus, Epstein-Barr virus, and human T cell leukemia-lymphoma virus infections are responsible for approximately 15 percent of the worldwide cancer incidence. Cancer of the cervix and hepatocellular carcinoma account for about 80 percent of virus-linked cancers. Because experimental and epidemiologic data imply a causative role for viruses, particularly in cervical and liver cancer, viruses must be thought of as the second most important risk factor for cancer development in humans, exceeded only by tobacco consumption.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉zur Hausen, H -- New York, N.Y. -- Science. 1991 Nov 22;254(5035):1167-73.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Deutsches Krebsforschungszentrum, Heidelberg, Germany.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1659743" target="_blank"〉PubMed〈/a〉
    Keywords: Anus Neoplasms/microbiology ; Female ; Genital Neoplasms, Female/microbiology ; Hepatitis B virus/pathogenicity ; Herpesvirus 4, Human/pathogenicity ; Human T-lymphotropic virus 1/pathogenicity ; Humans ; Leukemia-Lymphoma, Adult T-Cell/microbiology ; Liver Neoplasms/microbiology ; Neoplasms/*microbiology ; *Oncogenic Viruses ; Papillomaviridae/pathogenicity
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Cloning and expression of a cocaine-sensitive rat dopamine transporter (1991)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1991-10-25
    Description: The action of dopamine and other monoamine neurotransmitters at synapses is terminated predominantly by high-affinity reuptake into presynaptic terminals by specific sodium-dependent neurotransmitter transport proteins. A complementary DNA encoding a rat dopamine transporter has been isolated that exhibits high sequence similarity with the previously cloned norepinephrine and gamma-aminobutyric acid transporters. Transient expression of the complementary DNA in HeLa cells confirms the cocaine sensitivity of this transporter.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kilty, J E -- Lorang, D -- Amara, S G -- New York, N.Y. -- Science. 1991 Oct 25;254(5031):578-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Yale University, New Haven, CT 06510.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1948035" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Base Sequence ; Carrier Proteins/drug effects/*genetics/metabolism ; Cloning, Molecular ; Cocaine/*pharmacology ; Dopamine/*metabolism ; Dopamine Plasma Membrane Transport Proteins ; Gene Expression ; HeLa Cells ; Humans ; Kinetics ; *Membrane Glycoproteins ; *Membrane Transport Proteins ; Molecular Sequence Data ; *Nerve Tissue Proteins ; Oligodeoxyribonucleotides ; Polymerase Chain Reaction/methods ; Rats ; Sequence Homology, Nucleic Acid ; Transfection
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    Mutation identified as a possible cause of Alzheimer's disease (1991)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1991-02-22
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Marx, J -- New York, N.Y. -- Science. 1991 Feb 22;251(4996):876-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1900373" target="_blank"〉PubMed〈/a〉
    Keywords: Alzheimer Disease/*genetics ; Amyloid beta-Peptides/*genetics ; Amyloid beta-Protein Precursor ; Chromosomes, Human, Pair 21 ; Cloning, Molecular ; Humans ; *Mutation ; Protein Precursors/*genetics
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    Improvements seen for RU-486 abortions (1991)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1991-10-11
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Maurice, J -- New York, N.Y. -- Science. 1991 Oct 11;254(5029):198, 200.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1925574" target="_blank"〉PubMed〈/a〉
    Keywords: *Abortion, Induced ; Female ; Humans ; Internationality ; Mifepristone/*therapeutic use ; Pregnancy ; Pregnant Women ; *Risk Assessment
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  • 45
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    Exchange of conduction pathways between two related K+ channels (1991)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1991-02-22
    Description: The structure of the ion conduction pathway or pore of voltage-gated ion channels is unknown, although the linker between the membrane spanning segments S5 and S6 has been suggested to form part of the pore in potassium channels. To test whether this region controls potassium channel conduction, a 21-amino acid segment of the S5-S6 linker was transplanted from the voltage-activated potassium channel NGK2 to another potassium channel DRK1, which has very different pore properties. In the resulting chimeric channel, the single channel conductance and blockade by external and internal tetraethylammonium (TEA) ion were characteristic of the donor NGK2 channel. Thus, this 21-amino acid segment controls the essential biophysical properties of the pore and may form the conduction pathway of these potassium channels.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hartmann, H A -- Kirsch, G E -- Drewe, J A -- Taglialatela, M -- Joho, R H -- Brown, A M -- NS08805/NS/NINDS NIH HHS/ -- NS23877/NS/NINDS NIH HHS/ -- NS28407/NS/NINDS NIH HHS/ -- New York, N.Y. -- Science. 1991 Feb 22;251(4996):942-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Molecular Physiology and Biophysics, Baylor College of Medicine, Houston, TX 77030.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2000495" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Base Sequence ; Brain/physiology ; Chimera ; Cloning, Molecular ; Female ; Ion Channel Gating ; Membrane Potentials ; Molecular Sequence Data ; Oligonucleotide Probes ; Oocytes/physiology ; Polymerase Chain Reaction ; Potassium Channels/drug effects/genetics/*physiology ; Rats ; Restriction Mapping ; Sequence Homology, Nucleic Acid ; Tetraethylammonium ; Tetraethylammonium Compounds/pharmacology ; Xenopus
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  • 46
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    Deregulation of a homeobox gene, HOX11, by the t(10;14) in T cell leukemia (1991)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1991-07-05
    Description: Molecular cloning of the t(10;14)(q24;q11) recurrent breakpoint of T cell acute lymphoblastic leukemia has demonstrated a transcript for the candidate gene TCL3. Characterization of this gene from chromosome segment 10q24 revealed it to be a new homeobox, HOX11. The HOX11 homeodomain is most similar to that of the murine gene Hlx and possesses a markedly glycine-rich variable region and an acidic carboxyl terminus. HOX11, while expressed in liver, was not detected in normal thymus or T cells. This lineage-restricted homeobox gene is deregulated upon translocation into the T cell receptor locus where it may act as an oncogene.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hatano, M -- Roberts, C W -- Minden, M -- Crist, W M -- Korsmeyer, S J -- 1 PO1 CA49712/CA/NCI NIH HHS/ -- CA 21765/CA/NCI NIH HHS/ -- CA 30969/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1991 Jul 5;253(5015):79-82.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Howard Hughes Medical Institute, Washington University School of Medicine, St. Louis, MO 63110.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1676542" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Base Sequence ; Blotting, Northern ; Chromosomes, Human, Pair 10 ; Chromosomes, Human, Pair 14 ; Cloning, Molecular ; *Gene Expression Regulation, Neoplastic ; *Genes, Homeobox ; Humans ; Leukemia-Lymphoma, Adult T-Cell/*genetics ; Mice ; Molecular Sequence Data ; Receptors, Antigen, T-Cell/genetics ; Restriction Mapping ; Sequence Homology, Nucleic Acid ; *Translocation, Genetic
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Selective activation of the B natriuretic peptide receptor by C-type natriuretic peptide (CNP) (1991)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1991-04-05
    Description: The natriuretic peptides are hormones that can stimulate natriuretic, diuretic, and vasorelaxant activity in vivo, presumably through the activation of two known cell surface receptor guanylyl cyclases (ANPR-A and ANPR-B). Although atrial natriuretic peptide (ANP) and, to a lesser extent, brain natriuretic peptide (BNP) are efficient activators of the ANPR-A guanylyl cyclase, neither hormone can significantly stimulate ANPR-B. A member of this hormone family, C-type natriuretic peptide (CNP), potently and selectively activated the human ANPR-B guanylyl cyclase. CNP does not increase guanosine 3',5'-monophosphate accumulation in cells expressing human ANPR-A. The affinity of CNP for ANPR-B is 50- or 500-fold higher than ANP or BNP, respectively. This ligand-receptor pair may be involved in the regulation of fluid homeostasis by the central nervous system.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Koller, K J -- Lowe, D G -- Bennett, G L -- Minamino, N -- Kangawa, K -- Matsuo, H -- Goeddel, D V -- New York, N.Y. -- Science. 1991 Apr 5;252(5002):120-3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Molecular Biology, Genentech, Inc., South San Francisco 94080.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1672777" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Atrial Natriuretic Factor/*physiology ; Cells, Cultured ; Cercopithecus aethiops ; Cloning, Molecular ; Dose-Response Relationship, Drug ; Guanylate Cyclase/metabolism ; Humans ; Natriuretic Peptide, Brain ; Natriuretic Peptide, C-Type ; Nerve Tissue Proteins/*pharmacology ; Receptors, Atrial Natriuretic Factor ; Receptors, Cell Surface/*physiology ; Recombinant Proteins ; Signal Transduction
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    Longitudinal studies of effects of divorce on children in Great Britain and the United States (1991)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1991-06-07
    Description: National, longitudinal surveys from Great Britain and the United States were used to investigate the effects of divorce on children. In both studies, a subsample of children who were in two-parent families during the initial interview (at age 7 in the British data and at ages 7 to 11 in the U.S. data) were followed through the next interview (at age 11 and ages 11 to 16, respectively). At both time points in the British data, parents and teachers independently rated the children's behavior problems, and the children were given reading and mathematics achievement tests. At both time points in the U.S. data, parents rated the children's behavior problems. Children whose parents divorced or separated between the two time points were compared to children whose families remained intact. For boys, the apparent effect of separation or divorce on behavior problems and achievement at the later time point was sharply reduced by considering behavior problems, achievement levels, and family difficulties that were present at the earlier time point, before any of the families had broken up. For girls, the reduction in the apparent effect of divorce occurred to a lesser but still noticeable extent once preexisting conditions were considered.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cherlin, A J -- Furstenberg, F F Jr -- Chase-Lansdale, L -- Kiernan, K E -- Robins, P K -- Morrison, D R -- Teitler, J O -- HD25936/HD/NICHD NIH HHS/ -- New York, N.Y. -- Science. 1991 Jun 7;252(5011):1386-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Sociology, Johns Hopkins University, Baltimore, MD 21218.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2047851" target="_blank"〉PubMed〈/a〉
    Keywords: Achievement ; Adolescent ; Child ; Child Behavior ; Divorce/*psychology ; England ; Female ; Humans ; Longitudinal Studies ; Male ; United States
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    Name of the game? (1991)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1991-09-06
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Fox, C H -- New York, N.Y. -- Science. 1991 Sep 6;253(5024):1075.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1887232" target="_blank"〉PubMed〈/a〉
    Keywords: *Ethics, Professional ; Female ; Humans ; Laboratories/organization & administration ; Male ; Research Support as Topic ; Scientific Misconduct ; United States
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    Targets for dioxin: genes for plasminogen activator inhibitor-2 and interleukin-1 beta (1991)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1991-10-18
    Description: Dioxin (2,3,7,8-tetrachlorodibenzo-p-dioxin, TCDD), a widespread environmental contaminant, may elicit its effects by altering gene expression in susceptible cells. Five TCDD-responsive complementary DNA clones were isolated from a human keratinocyte cell line. One of these clones encodes plasminogen activator inhibitor-2, a factor that influences growth and differentiation by regulating proteolysis of the extracellular matrix. Another encodes the cytokine interleukin-1 beta. Thus, TCDD alters the expression of growth regulatory genes and has effects similar to those of other tumor-promoting agents that affect both inflammation and differentiation.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sutter, T R -- Guzman, K -- Dold, K M -- Greenlee, W F -- New York, N.Y. -- Science. 1991 Oct 18;254(5030):415-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Chemical Industry Institute of Toxicology, Research Triangle Park, NC 27709.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1925598" target="_blank"〉PubMed〈/a〉
    Keywords: Base Sequence ; Blood Physiological Phenomena ; Blotting, Northern ; Calcium/pharmacology ; Cell Line ; Cloning, Molecular ; Cycloheximide/pharmacology ; Gene Expression Regulation/drug effects ; Humans ; Interleukin-1/*genetics ; *Plasminogen Inactivators ; RNA, Messenger/drug effects ; Tetrachlorodibenzodioxin/*pharmacology ; Transcription, Genetic/drug effects
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    Fatal sibling aggression, precocial development, and androgens in neonatal spotted hyenas (1991)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1991-05-03
    Description: Fatal neonatal sibling aggression is common in predatory birds but has not been previously reported in wild mammals. Spotted hyena females are strongly masculinized, both anatomically and behaviorally, apparently by high levels of androgens during ontogeny. Neonates display elevated androgen levels, precocial motor development, and fully erupted front teeth. Litters are usually twins, and siblings fight violently at birth, apparently leading to the death of one sibling in same-sex litters, whereas in mixed-sex litters both siblings usually survive.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Frank, L G -- Glickman, S E -- Licht, P -- MH39917/MH/NIMH NIH HHS/ -- New York, N.Y. -- Science. 1991 May 3;252(5006):702-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Psychology, University of California, Berkeley 94720.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2024122" target="_blank"〉PubMed〈/a〉
    Keywords: Aggression/*physiology ; Androgens/*blood ; Animals ; Animals, Newborn/*physiology ; Behavior, Animal/*physiology ; Carnivora/*physiology ; Dentition ; Female ; Male ; Motor Activity/physiology ; *Sex Characteristics ; Sex Ratio ; Sibling Relations ; Tooth Eruption/physiology
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    Oh, for a normal brain! (1991)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1991-11-01
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉New York, N.Y. -- Science. 1991 Nov 1;254(5032):648.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1948043" target="_blank"〉PubMed〈/a〉
    Keywords: Autopsy ; Brain/anatomy & histology/pathology/*physiology ; Female ; Humans ; Middle Aged ; Reference Values
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  • 53
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    Biology and homosexuality (1991)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1991-11-01
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉New York, N.Y. -- Science. 1991 Nov 1;254(5032):630.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1948038" target="_blank"〉PubMed〈/a〉
    Keywords: Brain/*physiology ; Female ; *Homosexuality ; Humans ; Male ; Sexual Behavior/*physiology
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  • 54
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    Cloning of a factor required for activity of the Ah (dioxin) receptor (1991)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1991-05-17
    Description: The aryl hydrocarbon (Ah) receptor binds various environmental pollutants, such as polycyclic aromatic hydrocarbons, heterocyclic amines, and polychlorinated aromatic compounds (dioxins, dibenzofurans, and biphenyls), and mediates the carcinogenic effects of these agents. The complementary DNA and part of the gene for an 87-kilodalton human protein that is necessary for Ah receptor function have been cloned. The protein is not the ligand-binding subunit of the receptor but is a factor that is required for the ligand-binding subunit to translocate from the cytosol to the nucleus after binding ligand. The requirement for this factor distinguishes the Ah receptor from the glucocorticoid receptor, to which the Ah receptor has been presumed to be similar. Two portions of the 87-kilodalton protein share sequence similarities with two Drosophila proteins, Per and Sim. Another segment of the protein shows conformity to the consensus sequence for the basic helix-loop-helix motif found in proteins that bind DNA as homodimers or heterodimers.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hoffman, E C -- Reyes, H -- Chu, F F -- Sander, F -- Conley, L H -- Brooks, B A -- Hankinson, O -- CA 16048/CA/NCI NIH HHS/ -- CA 28868/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1991 May 17;252(5008):954-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Pathology, University of California, Los Angeles 90024.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1852076" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Aryl Hydrocarbon Receptor Nuclear Translocator ; Base Sequence ; Cell Line ; Cell Nucleus/metabolism ; Cloning, Molecular ; Cytosol/metabolism ; *DNA-Binding Proteins ; Humans ; Macromolecular Substances ; Molecular Sequence Data ; Molecular Weight ; Oligonucleotide Probes ; Proteins/*genetics/metabolism ; RNA, Messenger/genetics ; Receptors, Aryl Hydrocarbon ; Receptors, Drug/genetics/*metabolism ; Sequence Homology, Nucleic Acid ; Tetrachlorodibenzodioxin/*metabolism ; *Transcription Factors ; Transfection
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    Another sex survey bites the dust (1991)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1991-09-27
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Moffat, A S -- New York, N.Y. -- Science. 1991 Sep 27;253(5027):1483.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1896855" target="_blank"〉PubMed〈/a〉
    Keywords: Acquired Immunodeficiency Syndrome/prevention & control ; Adolescent ; Adult ; Female ; *Health Surveys ; Humans ; Male ; National Institutes of Health (U.S.) ; *Sexual Behavior ; Sexually Transmitted Diseases/prevention & control ; United States
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    FISHing cuts the angst in amniocentesis (1991)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1991-10-18
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Roberts, L -- New York, N.Y. -- Science. 1991 Oct 18;254(5030):378-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1925595" target="_blank"〉PubMed〈/a〉
    Keywords: Female ; *Genetic Techniques ; Humans ; *Nucleic Acid Hybridization ; Pregnancy ; Prenatal Diagnosis/*methods ; Time Factors
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    Feminist group dissents on RU-486 use for abortion (1991)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1991-10-11
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hoffman, M -- New York, N.Y. -- Science. 1991 Oct 11;254(5029):199.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1925575" target="_blank"〉PubMed〈/a〉
    Keywords: *Abortion, Induced ; Female ; Humans ; Mifepristone/*therapeutic use ; Pregnancy ; United States
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    Regulation of the apolipoprotein AI gene by ARP-1, a novel member of the steroid receptor superfamily (1991)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1991-02-01
    Description: Apolipoprotein AI (apoAI) is a lipid-binding protein that participates in the transport of cholesterol and other lipids in the plasma. A complementary DNA clone for a protein that bound to regulatory elements of the apoAI gene was isolated. This protein, designated apoAI regulatory protein-1 (ARP-1), is a novel member of the steroid hormone receptor superfamily. ARP-1 bound to DNA as a dimer, and its dimerization domain was localized to the COOH-terminal region. ARP-1 also bound to a thyroid hormone-responsive element and to regulatory regions of the apoB, apoCIII, insulin, and ovalbumin genes. In cotransfection experiments, ARP-1 downregulated the apoAI gene. The involvement of ARP-1 in the regulation of apoAI gene expression suggests that it may participate in lipid metabolism and cholesterol homeostasis.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ladias, J A -- Karathanasis, S K -- New York, N.Y. -- Science. 1991 Feb 1;251(4993):561-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Cardiology, Children's Hospital, Boston, MA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1899293" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Apolipoprotein A-I ; Apolipoproteins A/*genetics ; Base Sequence ; COUP Transcription Factor II ; COUP Transcription Factors ; Cloning, Molecular ; DNA/metabolism ; DNA-Binding Proteins/*metabolism ; Gene Expression Regulation ; Humans ; Lipoproteins, HDL/*genetics ; Molecular Sequence Data ; Oligonucleotide Probes ; Receptors, Steroid/*metabolism ; Regulatory Sequences, Nucleic Acid ; *Transcription Factors
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    Identification of Ets- and notch-related subunits in GA binding protein (1991)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1991-08-16
    Description: Recombinant cDNA clones that encode two distinct subunits of the transcription factor GA binding protein (GABP) have been isolated. The predicted amino acid sequence of one subunit, GABP alpha, exhibits similarity to the sequence of the product of the ets-1 protooncogene in a region known to encompass the Ets DNA binding domain. The sequence of the second subunit, GABP beta, contains four 33-amino acid repeats located close to the NH2-terminus of the subunit. The sequences of these repeats are similar to repeats in several transmembrane proteins, including Notch from Drosophila melanogaster and Glp-1 and Lin-12 from Caenorhabditis elegans. Avid, sequence-specific binding to DNA required the presence of both polypeptides, revealing a conceptual convergence of nuclear transforming proteins and membrane-anchored proteins implicated in developmentally regulated signal transduction processes.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉LaMarco, K -- Thompson, C C -- Byers, B P -- Walton, E M -- McKnight, S L -- New York, N.Y. -- Science. 1991 Aug 16;253(5021):789-92.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Howard Hughes Research Laboratories, Carnegie Institution of Washington, Department of Embryology, Baltimore, MD 21210.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1876836" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Blotting, Northern ; Cloning, Molecular ; DNA-Binding Proteins/*chemistry/genetics ; GA-Binding Protein Transcription Factor ; Gene Expression ; Molecular Sequence Data ; Nuclear Proteins/chemistry/genetics ; Peptides/chemistry ; Proto-Oncogene Protein c-ets-1 ; Proto-Oncogene Proteins/chemistry ; Proto-Oncogene Proteins c-ets ; RNA, Messenger/genetics ; Rats ; Recombinant Proteins ; Transcription Factors/*chemistry/genetics
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    A component of calcium-activated potassium channels encoded by the Drosophila slo locus (1991)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1991-08-02
    Description: Calcium-activated potassium channels mediate many biologically important functions in electrically excitable cells. Despite recent progress in the molecular analysis of voltage-activated K+ channels, Ca(2+)-activated K+ channels have not been similarly characterized. The Drosophila slowpoke (slo) locus, mutations of which specifically abolish a Ca(2+)-activated K+ current in muscles and neurons, provides an opportunity for molecular characterization of these channels. Genomic and complementary DNA clones from the slo locus were isolated and sequenced. The polypeptide predicted by slo is similar to voltage-activated K+ channel polypeptides in discrete domains known to be essential for function. Thus, these results indicate that slo encodes a structural component of Ca(2+)-activated K+ channels.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Atkinson, N S -- Robertson, G A -- Ganetzky, B -- NS15390/NS/NINDS NIH HHS/ -- T32 GM07131/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1991 Aug 2;253(5019):551-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratory of Genetics, University of Wisconsin, Madison 53706.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1857984" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Calcium/pharmacology ; Chromosome Aberrations ; Chromosome Deletion ; Cloning, Molecular ; DNA/genetics/isolation & purification ; Drosophila/*genetics/physiology ; Exons ; Molecular Sequence Data ; Nucleic Acid Hybridization ; Phenotype ; Potassium Channels/drug effects/*genetics/physiology ; Protein Conformation ; Sequence Homology, Nucleic Acid ; Transcription, Genetic ; Translocation, Genetic
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    Whom do yew trust? (1991)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1991-06-28
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Langreth, R -- New York, N.Y. -- Science. 1991 Jun 28;252(5014):1780.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1676541" target="_blank"〉PubMed〈/a〉
    Keywords: Alkaloids/*isolation & purification/therapeutic use ; Antineoplastic Agents, Phytogenic/*isolation & purification ; Environment ; Female ; Humans ; National Institutes of Health (U.S.) ; Neoplasms/*drug therapy ; Oregon ; Ovarian Neoplasms/drug therapy ; Paclitaxel ; Trees ; United States
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    Unraveling the genetics of fragile X syndrome (1991)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1991-05-24
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hoffman, M -- New York, N.Y. -- Science. 1991 May 24;252(5009):1070.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2031180" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Chromosome Mapping ; Female ; Fragile X Syndrome/*genetics ; Humans ; Male ; *Mutation ; X Chromosome
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Research on animals: unforseen benefits (1991)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1991-10-11
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Morrison, A R -- New York, N.Y. -- Science. 1991 Oct 11;254(5029):176.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1925566" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Animals, Laboratory ; Female ; Guinea Pigs ; Humans ; Neuroblastoma/diagnosis ; *Research ; Thoracic Neoplasms/diagnosis
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    FTZ-F1, a steroid hormone receptor-like protein implicated in the activation of fushi tarazu (1991)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1991-05-10
    Description: The Drosophila homeobox segmentation gene fushi tarazu (ftz) is expressed in a seven-stripe pattern during early embryogenesis. This characteristic pattern is largely specified by the zebra element located immediately upstream of the ftz transcriptional start site. The FTZ-F1 protein, one of multiple DNA binding factors that interacts with the zebra element, is implicated in the activation of ftz transcription, especially in stripes 1, 2, 3, and 6. An FTZ-F1 complementary DNA has been cloned by recognition site screening of a Drosophila expression library. The identity of the FTZ-F1 complementary DNA clone was confirmed by immunological cross-reaction with antibodies to FTZ-F1 and by sequence analysis of peptides from purified FTZ-F1 protein. The predicted amino acid sequence of FTZ-F1 revealed that the protein is a member of the nuclear hormone receptor superfamily. This finding raises the possibility that a hormonal ligand affects the expression of a homeobox segmentation gene early in embryonic development.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lavorgna, G -- Ueda, H -- Clos, J -- Wu, C -- New York, N.Y. -- Science. 1991 May 10;252(5007):848-51.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratory of Biochemistry, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1709303" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Base Sequence ; Blotting, Northern ; Blotting, Southern ; Blotting, Western ; Chromosome Mapping ; Cloning, Molecular ; Drosophila Proteins ; Drosophila melanogaster ; Fushi Tarazu Transcription Factors ; Gene Expression Regulation ; Genes, Homeobox ; *Homeodomain Proteins ; Insect Hormones/*chemistry ; Molecular Sequence Data ; Open Reading Frames ; RNA/analysis ; Receptors, Steroid/genetics ; Sequence Homology, Nucleic Acid ; Transcription, Genetic ; Zinc Fingers
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    The brain as "sexual organ" (1991)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1991-08-30
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Gibbons, A -- New York, N.Y. -- Science. 1991 Aug 30;253(5023):957-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1887226" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Brain/*anatomy & histology/physiology ; Corpus Callosum/anatomy & histology/physiology ; Female ; Humans ; Hypothalamus/*anatomy & histology/physiology ; Male ; Rats ; *Sex Characteristics
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    Abortion stirs the neuroscience gumbo (1991)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1991-10-25
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Barinaga, M -- New York, N.Y. -- Science. 1991 Oct 25;254(5031):514.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1948022" target="_blank"〉PubMed〈/a〉
    Keywords: *Abortion, Legal ; *Ethics, Professional ; Female ; Humans ; Louisiana ; *Neurology ; Pregnancy ; *Societies, Scientific ; United States
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    A difference in hypothalamic structure between heterosexual and homosexual men (1991)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1991-08-30
    Description: The anterior hypothalamus of the brain participates in the regulation of male-typical sexual behavior. The volumes of four cell groups in this region [interstitial nuclei of the anterior hypothalamus (INAH) 1, 2, 3, and 4] were measured in postmortem tissue from three subject groups: women, men who were presumed to be heterosexual, and homosexual men. No differences were found between the groups in the volumes of INAH 1, 2, or 4. As has been reported previously, INAH 3 was more than twice as large in the heterosexual men as in the women. It was also, however, more than twice as large in the heterosexual men as in the homosexual men. This finding indicates that INAH is dimorphic with sexual orientation, at least in men, and suggests that sexual orientation has a biological substrate.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉LeVay, S -- New York, N.Y. -- Science. 1991 Aug 30;253(5023):1034-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Salk Institute for Biological Studies, San Diego, CA 92186.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1887219" target="_blank"〉PubMed〈/a〉
    Keywords: Anterior Hypothalamic Nucleus/*anatomy & histology/cytology ; Female ; *Homosexuality ; Humans ; Male ; Optic Chiasm/anatomy & histology ; Sexual Behavior/*physiology
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    Dynamic tracking of cardiac vulnerability by complex demodulation of the T wave (1991)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1991-04-19
    Description: A link is found between T wave alternans and vulnerability to ventricular fibrillation, and a new approach is provided for quantification of susceptibility to malignant arrhythmias. Complex demodulation reveals that alternation of the electrocardiogram is concentrated during the first half of the T wave, coinciding with the vulnerable period of the cardiac cycle. During myocardial ischemia and reperfusion, there are marked increases in the degree of T wave alternans that parallel the established time course of changes in vulnerability. The influence of the sympathetic nervous system in arrhythmogenesis is also accurately detected. Ultimately, complex demodulation of the electrocardiogram could provide a technique for identification and management of individuals at risk for sudden cardiac death.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Nearing, B D -- Huang, A H -- Verrier, R L -- HL-33567/HL/NHLBI NIH HHS/ -- New York, N.Y. -- Science. 1991 Apr 19;252(5004):437-40.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Georgetown University School of Medicine, Washington, DC 20007.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2017682" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Constriction ; Coronary Vessels ; Dogs ; Electric Stimulation ; *Electrocardiography ; Electrophysiology ; Female ; Heart Conduction System/*physiopathology ; Kinetics ; Male ; Mathematics ; Reperfusion ; Ventricular Fibrillation/*physiopathology
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    Isolation of a rel-related human cDNA that potentially encodes the 65-kD subunit of NF-kappa B (1991)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1991-03-22
    Description: A DNA probe that spanned a domain conserved among the proto-oncogene c-rel, the Drosophila morphogen dorsal, and the p50 DNA binding subunit of NF-kappa B was generated from Jurkat T cell complementary DNA with the polymerase chain reaction (PCR) and degenerate oligonucleotides. This probe was used to identify a rel-related complementary DNA that hybridized to a 2.6-kilobase messenger RNA present in human T and B lymphocytes. In vitro transcription and translation of the complementary DNA resulted in the synthesis of a protein with an apparent molecular size of 65 kilodaltons (kD). The translated protein showed weak DNA binding with a specificity for the kappa B binding motif. This protein-DNA complex comigrated with the complex obtained with the purified human p65 NF-kappa B subunit and binding was inhibited by I kappa B-alpha and -beta proteins. In addition, the 65-kD protein associated with the p50 subunit of NF-kappa B and the kappa B probe to form a complex with the same electrophoretic mobility as the NF-kappa B-DNA complex. Therefore the rel-related 65-kD protein may represent the p65 subunit of the active NF-kappa B transcription factor complex.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ruben, S M -- Dillon, P J -- Schreck, R -- Henkel, T -- Chen, C H -- Maher, M -- Baeuerle, P A -- Rosen, C A -- New York, N.Y. -- Science. 1991 Mar 22;251(5000):1490-3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Molecular Oncology and Virology, Roche Institute of Molecular Biology, Roche Research Center, Nutley, NJ 07110-1199.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2006423" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Blotting, Northern ; Cloning, Molecular ; DNA/genetics ; Humans ; Macromolecular Substances ; Molecular Sequence Data ; NF-kappa B/*genetics ; Polymerase Chain Reaction ; Proto-Oncogene Proteins/*genetics ; Proto-Oncogene Proteins c-rel ; T-Lymphocytes
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    Is homosexuality biological? (1991)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1991-08-30
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Barinaga, M -- New York, N.Y. -- Science. 1991 Aug 30;253(5023):956-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1887225" target="_blank"〉PubMed〈/a〉
    Keywords: Female ; *Homosexuality ; Humans ; Hypothalamus/cytology/*physiology ; Male ; Sex Characteristics ; Sexual Behavior/*physiology
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    Sexism charged by Stanford physician (1991)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1991-06-14
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Barinaga, M -- New York, N.Y. -- Science. 1991 Jun 14;252(5012):1484.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2047855" target="_blank"〉PubMed〈/a〉
    Keywords: California ; Female ; Humans ; *Neurosurgery ; *Prejudice ; Schools, Medical ; *Women
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    Expression cloning of an adenylate cyclase-coupled calcitonin receptor (1991)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1991-11-25
    Description: A calcitonin receptor complementary DNA (cDNA) was cloned by expression of a cDNA library from a porcine kidney epithelial cell line in COS cells. The 482-amino acid receptor has high affinity for salmon calcitonin (dissociation constant Kd approximately 6 nM) and is functionally coupled to increases in intracellular cyclic adenosine monophosphate (cAMP). The receptor shows no sequence similarity to other reported G protein-coupled receptors but is homologous to the parathyroid hormone-parathyroid hormone-related peptide (PTH-PTHrP) receptor, indicating that the receptors for these hormones, which regulate calcium homeostasis, represent a new family of G protein-coupled receptors.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lin, H Y -- Harris, T L -- Flannery, M S -- Aruffo, A -- Kaji, E H -- Gorn, A -- Kolakowski, L F Jr -- Lodish, H F -- Goldring, S R -- AM 03564/AM/NIADDK NIH HHS/ -- HL-41484/HL/NHLBI NIH HHS/ -- New York, N.Y. -- Science. 1991 Nov 15;254(5034):1022-4.〈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/1658940" target="_blank"〉PubMed〈/a〉
    Keywords: Adenylyl Cyclases/physiology ; Amino Acid Sequence ; Animals ; Blotting, Northern ; Calcitonin/*metabolism ; Cloning, Molecular ; Cyclic AMP/physiology ; DNA/genetics ; Gene Expression ; Kidney/physiology ; Molecular Sequence Data ; RNA, Messenger/genetics ; Receptors, Calcitonin ; Receptors, Cell Surface/*genetics ; Swine
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    Using immunity to block conception (1991)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1991-03-01
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Barinaga, M -- New York, N.Y. -- Science. 1991 Mar 1;251(4997):1020-1.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1998115" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Contraception/*methods ; Egg Proteins/immunology ; Female ; Male ; Spermatozoa/immunology ; Vaccines
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    An immunogenic Onchocerca volvulus antigen: a specific and early marker of infection (1991)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1991-03-29
    Description: Onchocerciasis (river blindness) is a serious health problem and a severe obstacle to social and economic development, especially in Africa. A complementary DNA fragment coding for an Onchocerca volvulus antigen (OV-16) was cloned and expressed in the plasmid vector pCG808fx. Immune responses to this O. volvulus-specific recombinant antigen were detectable in patients with documented onchocerciasis; the antibody response was also detectable at 3 months and at more than 1 year before infection could otherwise be detected in humans and in chimpanzees experimentally infected with O. volvulus third-stage larvae.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lobos, E -- Weiss, N -- Karam, M -- Taylor, H R -- Ottesen, E A -- Nutman, T B -- New York, N.Y. -- Science. 1991 Mar 29;251(5001):1603-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratory of Parasitic Diseases, National Institutes of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD 20892.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2011741" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antibodies, Helminth ; Antibody Specificity ; Antigens, Helminth/*analysis/genetics ; Child ; Cloning, Molecular ; Enzyme-Linked Immunosorbent Assay ; Humans ; Mali ; Onchocerca/genetics/*immunology ; Onchocerciasis/*diagnosis/immunology/prevention & control ; Pan troglodytes
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    Increased osteoclast development after estrogen loss: mediation by interleukin-6 (1992)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1992-07-03
    Description: Osteoclasts, the cells that resorb bone, develop from hematopoietic precursors of the bone marrow under the control of factors produced in their microenvironment. The cytokine interleukin-6 can promote hematopoiesis and osteoclastogenesis. Interleukin-6 production by bone and marrow stromal cells is suppressed by 17 beta-estradiol in vitro. In mice, estrogen loss (ovariectomy) increased the number of colony-forming units for granulocytes and macrophages, enhanced osteoclast development in ex vivo cultures of marrow, and increased the number of osteoclasts in trabecular bone. These changes were prevented by 17 beta-estradiol or an antibody to interleukin-6. Thus, estrogen loss results in an interleukin-6-mediated stimulation of osteoclastogenesis, which suggests a mechanism for the increased bone resorption in postmenopausal osteoporosis.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Jilka, R L -- Hangoc, G -- Girasole, G -- Passeri, G -- Williams, D C -- Abrams, J S -- Boyce, B -- Broxmeyer, H -- Manolagas, S C -- AI21761/AI/NIAID NIH HHS/ -- AR41313/AR/NIAMS NIH HHS/ -- CA36464/CA/NCI NIH HHS/ -- etc. -- New York, N.Y. -- Science. 1992 Jul 3;257(5066):88-91.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Veterans Affairs Medical Center, Indiana University School of Medicine, Indianapolis 46202.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1621100" target="_blank"〉PubMed〈/a〉
    Keywords: Analysis of Variance ; Animals ; Antibodies, Monoclonal ; Bone Marrow Cells ; Cells, Cultured ; Estradiol/*pharmacology ; Female ; Granulocyte-Macrophage Colony-Stimulating Factor/pharmacology ; Immunoglobulin G ; Interleukin-6/immunology/*physiology ; Mice ; Osteoclasts/*cytology/drug effects ; *Ovariectomy ; Recombinant Proteins/pharmacology ; Spleen/cytology ; Stem Cells/cytology/drug effects
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Reductase activity encoded by the HM1 disease resistance gene in maize (1992)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1992-11-06
    Description: The HM1 gene in maize controls both race-specific resistance to the fungus Cochliobolus carbonum race 1 and expression of the NADPH (reduced form of nicotinamide adenine dinucleotide phosphate)-dependent HC toxin reductase (HCTR), which inactivates HC toxin, a cyclic tetrapeptide produced by the fungus to permit infection. Several HM1 alleles were generated and cloned by transposon-induced mutagenesis. The sequence of wild-type HM1 shares homology with dihydroflavonol-4-reductase genes from maize, petunia, and snap-dragon. Sequence homology is greatest in the beta alpha beta-dinucleotide binding fold that is conserved among NADPH- and NADH (reduced form of nicotinamide adenine dinucleotide)-dependent reductases and dehydrogenases. This indicates that HM1 encodes HCTR.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Johal, G S -- Briggs, S P -- New York, N.Y. -- Science. 1992 Nov 6;258(5084):985-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biotechnology Research, Pioneer Hi-Bred International, Inc., Johnston, IA 50131.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1359642" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Base Sequence ; Blotting, Southern ; Cloning, Molecular ; DNA/chemistry/genetics ; *Genes, Plant ; *Helminthosporium ; Introns ; Molecular Sequence Data ; NADP/pharmacology ; Nucleic Acid Hybridization ; Oxidoreductases/chemistry/*genetics ; Peptides, Cyclic/antagonists & inhibitors ; *Plant Diseases ; *Plant Proteins ; Polymorphism, Restriction Fragment Length ; RNA Splicing ; RNA, Messenger/genetics ; Zea mays/enzymology/*genetics
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    Centriole duplication in lysates of Spisula solidissima oocytes (1992)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1992-04-10
    Description: A cell-free system has been developed that executes centriole duplication. Surf clam (Spisula solidissima) oocytes, arrested at late prophase of meiosis I, do not contain centrioles, centrosomes, or asters. Serial section high-voltage electron microscopy (HVEM) of asters and spindles isolated from potassium chloride-activated oocytes indicates that within 4 minutes oocytes assemble a single centriole that is duplicated by 15 minutes when assembly of the first meiotic spindle is complete. A mixture of lysates from unactivated oocytes and potassium chloride-activated oocytes induces centriole formation and duplication. Astral microtubule content in these lysate mixtures increases with time.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Palazzo, R E -- Vaisberg, E -- Cole, R W -- Rieder, C L -- R01-40198/PHS HHS/ -- R01-43264/PHS HHS/ -- RR 01219/RR/NCRR NIH HHS/ -- New York, N.Y. -- Science. 1992 Apr 10;256(5054):219-21.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Marine Biological Laboratory, Woods Hole, MA 02543.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1566068" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Bivalvia ; Cell-Free System ; Centrioles/*ultrastructure ; Female ; Meiosis ; Microscopy, Electron ; Oocytes/cytology/*ultrastructure ; Prophase ; Tubulin/analysis
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    NIH wrestles with furor over conference (1992)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1992-08-07
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Palca, J -- New York, N.Y. -- Science. 1992 Aug 7;257(5071):739.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1496391" target="_blank"〉PubMed〈/a〉
    Keywords: Adolescent ; *Crime ; Female ; *Genetics, Medical ; Humans ; Male ; *National Institutes of Health (U.S.) ; *Research Support as Topic ; United States ; United States Dept. of Health and Human Services ; *Violence
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    Molecular epidemiology of HIV transmission in a dental practice (1992)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1992-05-22
    Description: Human immunodeficiency virus type 1 (HIV-1) transmission from infected patients to health-care workers has been well documented, but transmission from an infected health-care worker to a patient has not been reported. After identification of an acquired immunodeficiency syndrome (AIDS) patient who had no known risk factors for HIV infection but who had undergone an invasive procedure performed by a dentist with AIDS, six other patients of this dentist were found to be HIV-infected. Molecular biologic studies were conducted to complement the epidemiologic investigation. Portions of the HIV proviral envelope gene from each of the seven patients, the dentist, and 35 HIV-infected persons from the local geographic area were amplified by polymerase chain reaction and sequenced. Three separate comparative genetic analyses--genetic distance measurements, phylogenetic tree analysis, and amino acid signature pattern analysis--showed that the viruses from the dentist and five dental patients were closely related. These data, together with the epidemiologic investigation, indicated that these patients became infected with HIV while receiving care from a dentist with AIDS.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ou, C Y -- Ciesielski, C A -- Myers, G -- Bandea, C I -- Luo, C C -- Korber, B T -- Mullins, J I -- Schochetman, G -- Berkelman, R L -- Economou, A N -- New York, N.Y. -- Science. 1992 May 22;256(5060):1165-71.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Division of HIV/AIDS, Centers for Disease Control, Atlanta, GA 30333.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1589796" target="_blank"〉PubMed〈/a〉
    Keywords: Acquired Immunodeficiency Syndrome/blood/microbiology/*transmission ; Amino Acid Sequence ; Base Sequence ; DNA, Viral/blood/genetics/isolation & purification ; *Dentistry ; Female ; Florida ; Genetic Variation ; HIV Infections/microbiology/*transmission ; HIV-1/*genetics/isolation & purification ; Humans ; Male ; Molecular Sequence Data ; Monocytes/physiology ; Oligodeoxyribonucleotides ; *Patients ; Phylogeny ; Sequence Homology, Nucleic Acid ; Viral Envelope Proteins/*genetics
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    Requirement for the adenovirus type 9 E4 region in production of mammary tumors (1992)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1992-09-07
    Description: Oncogenic viruses demonstrating a strict tropism for the mammary gland provide special opportunities to study the susceptibility of this tissue to neoplasia. In rats, human adenovirus type 9 (Ad9) elicits mammary fibroadenomas that are similar to common breast tumors in women, as well as phyllodes-like tumors and mammary sarcomas. By constructing recombinant adenoviruses between Ad9 and Ad26 (a related nontumorigenic virus), it was shown that the Ad9 E4 region was absolutely required to produce these mammary tumors. This indicates that an adenovirus gene located outside the classic transforming region (E1) can significantly influence the in vivo oncogenicity of an adenovirus. Consistent with a direct role in mammary gland oncogenesis, the Ad9 E4 region also exhibited transforming properties in vitro. Therefore, the Ad9 E4 region is a viral oncogene specifically involved in mammary gland tumorigenesis.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Javier, R -- Raska, K Jr -- Shenk, T -- CA 21196/CA/NCI NIH HHS/ -- CA 41086/CA/NCI NIH HHS/ -- T32 CA09528/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1992 Aug 28;257(5074):1267-71.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Howard Hughes Medical Institute, Department of Molecular Biology, Princeton University, NJ 08544.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1519063" target="_blank"〉PubMed〈/a〉
    Keywords: Adenoviridae/genetics/*pathogenicity ; Amino Acid Sequence ; Animals ; Cell Transformation, Neoplastic/*genetics ; Chromosome Mapping ; Female ; Mammary Neoplasms, Experimental/*genetics/*microbiology ; Molecular Sequence Data ; Open Reading Frames/genetics ; Rats ; Rats, Inbred WF ; Sequence Homology, Nucleic Acid
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    Identification of ras oncogene mutations in the stool of patients with curable colorectal tumors (1992)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1992-04-03
    Description: Colorectal (CR) tumors are usually curable if detected before metastasis. Because genetic alterations are associated with the development of these tumors, mutant genes may be found in the stool of individuals with CR neoplasms. The stools of nine patients whose tumors contained mutations of K-ras were analyzed. In eight of the nine cases, the ras mutations were detectable in DNA purified from the stool. These patients included those with benign and malignant neoplasms from proximal and distal colonic epithelium. Thus, colorectal tumors can be detected by a noninvasive method based on the molecular pathogenesis of the disease.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sidransky, D -- Tokino, T -- Hamilton, S R -- Kinzler, K W -- Levin, B -- Frost, P -- Vogelstein, B -- CA06973/CA/NCI NIH HHS/ -- CA35494/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1992 Apr 3;256(5053):102-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Oncology, Johns Hopkins University, Baltimore, MD 21231.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1566048" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Aged ; Amino Acid Sequence ; Base Sequence ; Blotting, Southern ; Carcinoma/diagnosis/*genetics/pathology ; Colonic Neoplasms/diagnosis/*genetics/pathology ; DNA, Neoplasm/genetics/*isolation & purification ; Feces/chemistry ; Female ; *Genes, ras ; Humans ; Male ; Middle Aged ; Molecular Sequence Data ; *Mutation ; Oligodeoxyribonucleotides ; Polymerase Chain Reaction ; Prognosis ; Rectal Neoplasms/diagnosis/*genetics/pathology
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    Minority health. NIH spells out plans for a $45 million initiative (1992)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1992-04-03
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Palca, J -- New York, N.Y. -- Science. 1992 Apr 3;256(5053):24.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1566053" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Child ; Female ; *Health Promotion ; Humans ; Infant ; Infant Mortality ; Male ; Middle Aged ; *Minority Groups ; National Institutes of Health (U.S.) ; *Research Support as Topic ; United States
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    The fms-like tyrosine kinase, a receptor for vascular endothelial growth factor (1992)
    American Association for the Advancement of Science (AAAS)
    Details
    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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    Spatial control of the gap gene knirps in the Drosophila embryo by posterior morphogen system (1992)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1992-02-21
    Description: The gap genes of Drosophila are the first zygotic genes to respond to the maternal positional signals and establish the body pattern along the anterior-posterior axis. The gap gene knirps, required for patterning in the posterior region of the embryo, can be activated throughout the wild-type embryo and is normally repressed from the anterior and posterior sides. These results provide direct molecular evidence that the posterior morphogen system interacts in a fundamentally different manner than do hunchback and bicoid, which are responsible for anterior pattern formation.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pankratz, M J -- Busch, M -- Hoch, M -- Seifert, E -- Jackle, H -- New York, N.Y. -- Science. 1992 Feb 21;255(5047):986-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Max-Planck Institut fur Biophysikalische Chemie, Abteilung Molekulare Entwicklungsbiologie, Gottingen, Germany.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1546296" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Base Sequence ; Binding Sites ; Cloning, Molecular ; Drosophila melanogaster/embryology/*genetics ; Gene Expression Regulation ; Genes ; Molecular Sequence Data ; Morphogenesis ; Regulatory Sequences, Nucleic Acid
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    Changes in the sensory processing of olfactory signals induced by birth in sheep (1992)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1992-05-08
    Description: After giving birth, sheep and many other species form a selective bond with their offspring based on the sense of smell. Processing of olfactory signals is altered to allow the animals to perform this selective recognition. Lamb odors have little effect on either neurotransmitter release or electrical activity of neurons in the olfactory bulb before birth. However, after birth there is an increase in the number of mitral cells, the principal cells of the olfactory bulb, that respond to lamb odors, which is associated with increased cholinergic and noradrenergic neurotransmitter release. Selective recognition of lambs is accompanied by increased activity of a subset of mitral cells and release of glutamate and gamma-aminobutyric acid (GABA) from the dendrodendritic synapses between the mitral and granule cells. The relation between the release of each transmitter after birth also suggests an increased efficacy of glutamate-evoked GABA release.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kendrick, K M -- Levy, F -- Keverne, E B -- New York, N.Y. -- Science. 1992 May 8;256(5058):833-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Agricultural and Food Research Council, Institute of Animal Physiology and Genetics Research, Babraham, Cambridge, United Kingdom.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1589766" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Animals, Newborn ; Female ; Glutamates/secretion ; Labor, Obstetric ; *Maternal Behavior ; Models, Neurological ; Neurons/physiology ; Odors ; Olfactory Bulb/*physiology ; Olfactory Nerve/physiology ; Pregnancy ; Regression Analysis ; Sheep ; *Smell ; Time Factors ; gamma-Aminobutyric Acid/secretion
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  • 86
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    Selective transmission of human immunodeficiency virus type-1 variants from mothers to infants (1992)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1992-02-28
    Description: Multiple human immunodeficiency virus type-1 sequences from the V3 and V4-V5 regions of the envelope gene were analyzed from three mother-infant pairs. The infants' viral sequences were less diverse than those of their mothers. In two pairs, a proviral form infrequently found in the mother predominated in her infant. A conserved N-linked glycosylation site within the V3 region, present in each mother's sequence set, was absent in all of the infants' sequence sets. These findings demonstrate that a minor subset of maternal virus is transmitted to the infant.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wolinsky, S M -- Wike, C M -- Korber, B T -- Hutto, C -- Parks, W P -- Rosenblum, L L -- Kunstman, K J -- Furtado, M R -- Munoz, J L -- AI-32535/AI/NIAID NIH HHS/ -- HD26619-01/HD/NICHD NIH HHS/ -- P01-25569/PHS HHS/ -- New York, N.Y. -- Science. 1992 Feb 28;255(5048):1134-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Medicine, Northwestern University Medical School, Chicago, IL 60611.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1546316" target="_blank"〉PubMed〈/a〉
    Keywords: Acquired Immunodeficiency Syndrome/congenital/microbiology/*transmission ; Amino Acid Sequence ; Base Sequence ; Female ; Genotype ; Glycosylation ; HIV Antigens/genetics ; HIV Envelope Protein gp120/genetics/immunology ; HIV-1/*genetics/immunology ; Humans ; Infant ; Maternal-Fetal Exchange ; Molecular Sequence Data ; Oligodeoxyribonucleotides/chemistry ; Polymerase Chain Reaction ; Pregnancy ; Selection, Genetic ; Sequence Alignment
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    Isolation of two genes that encode subunits of the yeast transcription factor IIA (1992)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1992-02-28
    Description: The yeast transcription factor IIA (TFIIA), a component of the basal transcription machinery of RNA polymerase II and implicated in vitro in regulation of basal transcription, is composed of two subunits of 32 and 13.5 kilodaltons. The genes that encode these subunits, termed TOA1 and TOA2, respectively, were cloned. Neither gene shares obvious sequence similarity with the other or with any other previously identified genes. The recombinant factor bound to a TATA binding protein-DNA complex and complemented yeast and mammalian in vitro transcription systems depleted of TFIIA. Both the TOA1 and TOA2 genes are essential for growth of yeast.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ranish, J A -- Lane, W S -- Hahn, S -- New York, N.Y. -- Science. 1992 Feb 28;255(5048):1127-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Fred Hutchinson Cancer Research Center, Seattle, WA 98104.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1546313" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Cloning, Molecular ; DNA Mutational Analysis ; DNA-Binding Proteins/genetics ; *Genes, Fungal ; Molecular Sequence Data ; Recombinant Proteins/metabolism ; Saccharomyces cerevisiae/*genetics ; *Saccharomyces cerevisiae Proteins ; Transcription Factor TFIIA ; Transcription Factors/*genetics ; Transcription, Genetic
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    A multifunctional aqueous channel formed by CFTR (1992)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1992-11-27
    Description: The cystic fibrosis gene product (CFTR) is a complex protein that functions as an adenosine 3,5-monophosphate (cAMP)-stimulated ion channel and possibly as a regulator of intracellular processes. In order to determine whether the CFTR molecule contains a functional aqueous pathway, anion, water, and urea transport were measured in Xenopus oocytes expressing CFTR. Cyclic AMP agonists induced a Cl- conductance of 94 microsiemens and an increase in water permeability of 4 x 10(-4) centimeter per second that was inhibited by a Cl- channel blocker and was dependent on anion composition. CFTR has a calculated single channel water conductance of 9 x 10(-13) cubic centimeter per second, suggesting a pore-like aqueous pathway. Oocytes expressing CFTR also showed cAMP-stimulated transport of urea but not the larger solute sucrose. Thus CFTR contains a cAMP-stimulated aqueous pore that can transport anions, water, and small solutes. The results also provide functional evidence for water movement through an ion channel.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hasegawa, H -- Skach, W -- Baker, O -- Calayag, M C -- Lingappa, V -- Verkman, A S -- DK35124/DK/NIDDK NIH HHS/ -- DK43840/DK/NIDDK NIH HHS/ -- HL42368/HL/NHLBI NIH HHS/ -- etc. -- New York, N.Y. -- Science. 1992 Nov 27;258(5087):1477-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Medicine, University of California, San Francisco 94143-0532.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1279809" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Base Sequence ; Biological Transport/physiology ; Chlorides/metabolism ; Cyclic AMP/physiology ; Cystic Fibrosis Transmembrane Conductance Regulator ; Female ; Humans ; In Vitro Techniques ; Ion Channels/*physiology ; Membrane Proteins/*physiology ; Molecular Sequence Data ; Oocytes ; Urea/metabolism ; Water/metabolism ; Xenopus
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  • 89
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    Triplet repeat mutations in human disease (1992)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1992-05-18
    Description: Triplet repeats are the sites of mutation in three human heritable disorders, spinal and bulbar muscular atrophy (SBMA), fragile X syndrome, and myotonic dystrophy (DM). These repeats are GC-rich and highly polymorphic in the normal population. Fragile X syndrome and DM are examples of diseases in which premutation alleles cause little or no disease in the individual, but give rise to significantly amplified repeats in affected progeny. This newly identified mechanism of mutation has, so far, been identified in two of the most common heritable disorders, fragile X syndrome and DM, and one rare disease, SBMA.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Caskey, C T -- Pizzuti, A -- Fu, Y H -- Fenwick, R G Jr -- Nelson, D L -- 1R01HD29256/HD/NICHD NIH HHS/ -- P30-HG00210/HG/NHGRI NIH HHS/ -- P30HD24064/HD/NICHD NIH HHS/ -- New York, N.Y. -- Science. 1992 May 8;256(5058):784-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institute for Molecular Genetics, Baylor College of Medicine, Houston, TX 77030.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1589758" target="_blank"〉PubMed〈/a〉
    Keywords: Female ; Fragile X Syndrome/*genetics/physiopathology ; Genetic Diseases, Inborn/*genetics/physiopathology ; Humans ; Male ; Muscular Atrophy, Spinal/*genetics/physiopathology ; *Mutation ; Myotonic Dystrophy/*genetics/physiopathology ; Pedigree ; Repetitive Sequences, Nucleic Acid
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  • 90
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    Identification of a protein that binds to the SH3 region of Abl and is similar to Bcr and GAP-rho (1992)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1992-08-07
    Description: A Src homology 3 (SH3) region is a sequence of approximately 50 amino acids found in many nonreceptor tyrosine kinases and other proteins. Deletion of the SH3 region from the protein encoded by the c-abl proto-oncogene activates the protein's transforming capacity, thereby suggesting the participation of the SH3 region in the negative regulation of transformation. A complementary DNA was isolated that encoded a protein, 3BP-1, to which the SH3 region of Abl bound with high specificity and to which SH3 regions from other proteins bound differentially. The sequence of the 3BP-1 protein is similar to that of a COOH-terminal segment of Bcr and to guanosine triphosphatase-activating protein (GAP)-rho, which suggests that it might have GAP activity for Ras-related proteins. The 3BP-1 protein may therefore be a mediator of SH3 function in transformation inhibition and may link tyrosine kinases to Ras-related proteins.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cicchetti, P -- Mayer, B J -- Thiel, G -- Baltimore, D -- A107233/PHS HHS/ -- CA 08875/CA/NCI NIH HHS/ -- CA51462/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1992 Aug 7;257(5071):803-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Rockefeller University, New York, NY 10021.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1379745" target="_blank"〉PubMed〈/a〉
    Keywords: 3T3 Cells ; Amino Acid Sequence ; Animals ; Binding Sites ; Chimera ; Cloning, Molecular ; GTPase-Activating Proteins ; Gene Library ; *Genes, abl ; *Genes, src ; Glutathione Transferase/genetics/metabolism ; Mice ; Molecular Sequence Data ; Oncogene Proteins/genetics/*metabolism ; Plasmids ; Polymerase Chain Reaction/methods ; Prosencephalon/physiology ; Protein-Tyrosine Kinases/*metabolism ; Proteins/*metabolism ; *Proto-Oncogene Proteins ; Proto-Oncogene Proteins c-abl/genetics/*metabolism ; Proto-Oncogene Proteins c-bcr ; Proto-Oncogene Proteins pp60(c-src)/genetics/*metabolism ; Recombinant Fusion Proteins/metabolism ; Restriction Mapping ; Rho Factor/*metabolism ; Sequence Homology, Nucleic Acid ; ras GTPase-Activating Proteins
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  • 91
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    Women in science: from panes to ceilings (1992)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1992-03-13
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Healy, B -- New York, N.Y. -- Science. 1992 Mar 13;255(5050):1333.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1542782" target="_blank"〉PubMed〈/a〉
    Keywords: Female ; Humans ; Research Personnel/*statistics & numerical data ; Science/*manpower ; United States ; Women, Working/*statistics & numerical data
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 92
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    Sexually antagonistic genes: experimental evidence (1992)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1992-06-05
    Description: When selection differs between the sexes, a mutation beneficial to one sex may be harmful to the other (sexually antagonistic). Because the sexes share a common gene pool, selection in one sex can interfere with the other's adaptive evolution. Theory predicts that sexually antagonistic mutations should accumulate in tight linkage with a new sex-determining gene, even when the harm to benefit ratio is high. Genetic markers and artificial selection were used to make a pair of autosomal genes segregate like a new pair of sex-determining genes in a Drosophila melanogaster model system. A 29-generation study provides experimental evidence that sexually antagonistic genes may be common in nature and will accumulate in response to a new sex-determining gene.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Rice, W R -- New York, N.Y. -- Science. 1992 Jun 5;256(5062):1436-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Biology Board of Studies, University of California, Santa Cruz 95064.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1604317" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Drosophila melanogaster/*genetics ; Eye Color/genetics ; Female ; *Genes ; Male ; Phenotype ; *Recombination, Genetic ; *Selection, Genetic ; *Sex Ratio
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  • 93
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    Molecular cloning of the interleukin-1 beta converting enzyme (1992)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1992-04-03
    Description: Interleukin-1 beta (IL-1 beta) mediates a wide range of immune and inflammatory responses. The active cytokine is generated by proteolytic cleavage of an inactive precursor. A complementary DNA encoding a protease that carries out this cleavage has been cloned. Recombinant expression in COS-7 cells enabled the cells to process precursor IL-1 beta to the mature form. Sequence analysis indicated that the enzyme itself may undergo proteolytic processing. The gene encoding the protease was mapped to chromosomal band 11q23, a site frequently involved in rearrangement in human cancers.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cerretti, D P -- Kozlosky, C J -- Mosley, B -- Nelson, N -- Van Ness, K -- Greenstreet, T A -- March, C J -- Kronheim, S R -- Druck, T -- Cannizzaro, L A -- New York, N.Y. -- Science. 1992 Apr 3;256(5053):97-100.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Immunex Corporation, Seattle, WA 98101.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1373520" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Base Sequence ; Caspase 1 ; Cell Line ; Chromosome Banding ; *Chromosomes, Human, Pair 11 ; Cloning, Molecular ; Enzyme Precursors/biosynthesis/*genetics/isolation & purification ; Humans ; Metalloendopeptidases/biosynthesis/*genetics/isolation & purification ; Molecular Sequence Data ; Neutrophils/enzymology ; Oligodeoxyribonucleotides ; Poly A/genetics/isolation & purification ; Polymerase Chain Reaction/methods ; RNA/genetics/isolation & purification ; RNA, Messenger/genetics ; Recombinant Proteins/biosynthesis/isolation & purification ; Transfection
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  • 94
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    Human gene therapy (1992)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1992-05-08
    Description: Human gene therapy is a procedure that is being used in an attempt to treat genetic and other diseases. Eleven clinical protocols are under way at the present time, each with scientific and clinical objectives. Human genetic engineering raises unique safety, social, and ethical concerns.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Anderson, W F -- New York, N.Y. -- Science. 1992 May 8;256(5058):808-13.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Molecular Hematology Branch, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD 20892.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1589762" target="_blank"〉PubMed〈/a〉
    Keywords: Adenosine Deaminase/deficiency/*genetics ; Bioethics ; Clinical Trials as Topic ; Federal Government ; Female ; Genetic Diseases, Inborn ; Genetic Engineering ; *Genetic Therapy ; Government Regulation ; Humans ; Male ; Neoplasms/genetics/therapy ; Risk Assessment ; Safety ; Social Responsibility
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  • 95
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    Microinjection of a conserved peptide sequence of p34cdc2 induces a Ca2+ transient in oocytes (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1990-01-19
    Description: The product of the yeast cell cycle control gene cdc2, and its homologs in higher eukaryotes (p34cdc2), all contain a perfectly conserved sequence of 16 amino acids that has not been found in any other protein sequence. Microinjection of this peptide triggers a specific increase in the concentration of intracellular free Ca2+ that originates from intracellular stores in both starfish and Xenopus oocytes. Thus, p34cdc2 might interact through its conserved peptide domain with some component of the Ca2(+)-regulatory system.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Picard, A -- Cavadore, J C -- Lory, P -- Bernengo, J C -- Ojeda, C -- Doree, M -- New York, N.Y. -- Science. 1990 Jan 19;247(4940):327-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉CNRS and INSERM, Montpellier, France.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2153316" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; *CDC2 Protein Kinase ; Calcium/*metabolism ; Chloride Channels ; Chlorides/metabolism ; Cytoplasmic Granules/physiology ; Egtazic Acid/pharmacology ; Exocytosis/drug effects ; Female ; Genes, Fungal ; Growth Substances/*genetics ; Maturation-Promoting Factor ; Membrane Proteins/metabolism ; Microinjections ; Molecular Sequence Data ; Oocytes/drug effects/*physiology ; *Peptide Fragments ; Peptides/*pharmacology ; Starfish ; Xenopus
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  • 96
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    Identification of mutations in the COL4A5 collagen gene in Alport syndrome (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1990-06-08
    Description: X-linked Alport syndrome is a hereditary glomerulonephritis in which progressive loss of kidney function is often accompanied by progressive loss of hearing. Ultrastructural defects in glomerular basement membranes (GBM) of Alport syndrome patients implicate an altered structural protein as the cause of nephritis. The product of COL4A5, the alpha 5(IV) collagen chain, is a specific component of GBM within the kidney, and the gene maps to the same X chromosomal region as does Alport syndrome. Three structural aberrations were found in COL4A5, in intragenic deletion, a Pst I site variant, and an uncharacterized abnormality, which appear to cause nephritis and deafness, with allele-specific severity, in three Alport syndrome kindreds in Utah.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Barker, D F -- Hostikka, S L -- Zhou, J -- Chow, L T -- Oliphant, A R -- Gerken, S C -- Gregory, M C -- Skolnick, M H -- Atkin, C L -- Tryggvason, K -- DK 36200/DK/NIDDK NIH HHS/ -- DK 39497/DK/NIDDK NIH HHS/ -- M01 RR 00064/RR/NCRR NIH HHS/ -- New York, N.Y. -- Science. 1990 Jun 8;248(4960):1224-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Medical Informatics, University of Utah School of Medicine, Salt Lake City 84132.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2349482" target="_blank"〉PubMed〈/a〉
    Keywords: Blotting, Southern ; Cloning, Molecular ; Collagen/*genetics ; DNA/genetics/isolation & purification ; Exons ; Female ; *Genes ; Humans ; Male ; Molecular Weight ; *Mutation ; Nephritis, Hereditary/*genetics ; Pedigree ; Restriction Mapping ; X Chromosome
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  • 97
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    Inheritance of proliferative breast disease in breast cancer kindreds (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1990-12-21
    Description: Previous studies have emphasized that genetic susceptibility to breast cancer is rare and is expressed primarily as premenopausal breast cancer, bilateral breast cancer, or both. Proliferative breast disease (PBD) is a significant risk factor for the development of breast cancer and appears to be a precursor lesion. PBD and breast cancer were studied in 103 women from 20 kindreds that were selected for the presence of two first degree relatives with breast cancer and in 31 control women. Physical examination, screening mammography, and four-quadrant fine-needle breast aspirates were performed. Cytologic analysis of breast aspirates revealed PBD in 35% of clinically normal female first degree relatives of breast cancer cases and in 13% of controls. Genetic analysis suggests that genetic susceptibility causes both PBD and breast cancer in these kindreds. This study supports the hypothesis that this susceptibility is responsible for a considerable portion of breast cancer, including unilateral and postmenopausal breast cancer.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Skolnick, M H -- Cannon-Albright, L A -- Goldgar, D E -- Ward, J H -- Marshall, C J -- Schumann, G B -- Hogle, H -- McWhorter, W P -- Wright, E C -- Tran, T D -- CA-28854/CA/NCI NIH HHS/ -- CA-42014/CA/NCI NIH HHS/ -- CA-48711/CA/NCI NIH HHS/ -- etc. -- New York, N.Y. -- Science. 1990 Dec 21;250(4988):1715-20.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Utah Regional Cancer Center, University of Utah Medical Center, Salt Lake City 84132.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2270486" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Aged ; Breast Diseases/*genetics/pathology ; Breast Neoplasms/*genetics/pathology ; Female ; Genetic Predisposition to Disease ; Humans ; Male ; Menopause ; Middle Aged ; Pedigree
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  • 98
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    Evidence that beta-amyloid protein in Alzheimer's disease is not derived by normal processing (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1990-04-27
    Description: The beta-amyloid protein (beta/A4), derived from a larger amyloid precursor protein (APP), is the principal component of senile plaques in Alzheimer's disease. APP is an integral membrane glycoprotein and is secreted as a carboxyl-terminal truncated molecule. APP cleavage, which is a membrane-associated event, occurred at a site located within the beta/A4 region. This suggests that an intact amyloidogenic beta/A4 fragment is not generated during normal APP catabolism. Therefore, an early event in amyloid formation may involve altered APP processing that results in the release and subsequent deposition of intact beta/A4.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sisodia, S S -- Koo, E H -- Beyreuther, K -- Unterbeck, A -- Price, D L -- AG 03359/AG/NIA NIH HHS/ -- AG 05146/AG/NIA NIH HHS/ -- AG 07914/AG/NIA NIH HHS/ -- etc. -- New York, N.Y. -- Science. 1990 Apr 27;248(4954):492-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Pathology, Johns Hopkins University School of Medicine, Baltimore, MD 21205-2181.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1691865" target="_blank"〉PubMed〈/a〉
    Keywords: Aged ; Alzheimer Disease/*metabolism ; Amyloid/genetics/*metabolism ; Amyloid beta-Peptides ; Amyloid beta-Protein Precursor ; Animals ; Cell Membrane ; Cells, Cultured ; Cloning, Molecular ; DNA, Recombinant ; Glycosylation ; Half-Life ; Humans ; Immunoblotting ; Molecular Weight ; Plasmids ; Protein Precursors/genetics/*metabolism ; *Protein Processing, Post-Translational ; Recombinant Fusion Proteins/metabolism ; Substance P/genetics ; Transfection
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  • 99
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    A class I antigen, HLA-G, expressed in human trophoblasts (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1990-04-13
    Description: The alpha chain of the human histocompatibility antigen HLA-G was identified as an array of five 37- to 39-kilodalton isoforms by the use of two-dimensional gel electrophoresis. Both cell-associated and secreted HLA-G antigens are prominent in first trimester villous cytotrophoblasts and are greatly reduced in third trimester cytotrophoblasts. Allelic variation was not detected, an indication that HLA-G is not obviously polymorphic in cytotrophoblasts. Among the following choriocarcinoma cell lines studied, HLA-G is expressed in JEG but not in Jar or BeWo. Expression of endogenous HLA-G genes has not been found in normal lymphoid cells. Thus, HLA-G is subject to both cell type-specific and developmental regulation and is expressed in early gestation human cytotrophoblasts.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kovats, S -- Main, E K -- Librach, C -- Stubblebine, M -- Fisher, S J -- DeMars, R -- AI-15586/AI/NIAID NIH HHS/ -- HD-24495/HD/NICHD NIH HHS/ -- P0I HD-24180/HD/NICHD NIH HHS/ -- etc. -- New York, N.Y. -- Science. 1990 Apr 13;248(4952):220-3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Human Oncology, University of Wisconsin, Madison 53706.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2326636" target="_blank"〉PubMed〈/a〉
    Keywords: Antibodies, Monoclonal ; Cell Line ; Choriocarcinoma/immunology ; Female ; Gene Expression ; *Genes, MHC Class I ; HLA Antigens/*genetics ; HLA-G Antigens ; Histocompatibility Antigens Class I/*genetics ; Humans ; Macromolecular Substances ; Pregnancy ; Pregnancy Trimester, First ; Trophoblasts/*immunology ; Tumor Cells, Cultured/immunology ; Uterine Neoplasms/immunology
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  • 100
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    Olfactory recognition: a simple memory system (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1990-11-30
    Description: Mice have an olfactory (pheromone) recognition memory located at the first relay in the sensory system. It is acquired with one-trial learning, contingent upon norepinephrine activation at mating, and lasts for several weeks. The mechanism involves Hebbian (association-dependent) changes in synaptic efficacy at dendrodendritic synapses in the accessory olfactory bulb. As a result of this memory, males made familiar by mating are recognized by the females, thereby mitigating pregnancy block. Such a memory function is biologically important to the female, as it is required to sustain pregnancy in the presence of her stud male's odors.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Brennan, P -- Kaba, H -- Keverne, E B -- New York, N.Y. -- Science. 1990 Nov 30;250(4985):1223-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Sub-Department of Animal Behaviour, University of Cambridge, United Kingdom.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2147078" target="_blank"〉PubMed〈/a〉
    Keywords: Amygdala/drug effects/physiology ; Animals ; Female ; Hypothalamus/physiology ; Lidocaine/pharmacology ; Male ; Memory/*physiology ; Mice ; Mice, Inbred BALB C ; Mice, Inbred CBA ; N-Methylaspartate/antagonists & inhibitors/physiology ; Norepinephrine/physiology ; Olfactory Bulb/drug effects/physiology ; Olfactory Pathways/drug effects/physiology ; *Pheromones/urine ; Pregnancy ; Pregnancy, Animal/*physiology ; Receptors, N-Methyl-D-Aspartate/physiology ; Reproduction/physiology ; Smell/*physiology ; Synapses/physiology
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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