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  • DNA/genetics  (156)
  • American Association for the Advancement of Science (AAAS)  (156)
  • Oxford University Press
  • American Institute of Physics (AIP)
  • 1985-1989  (156)
Collection
Publisher
  • American Association for the Advancement of Science (AAAS)  (156)
  • Oxford University Press
  • American Institute of Physics (AIP)
Years
Year
  • 1
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1989-01-20
    Description: Human and murine mononuclear phagocytes express a high-affinity receptor for immunoglobulin G that plays a central role in macrophage antibody-dependent cellular cytotoxicity and clearance of immune complexes. The receptor (FcRI) may also be involved in CD4-independent infection of human macrophages by human immunodeficiency virus. This report describes the isolation of cDNA clones encoding the human FcRI by a ligand-mediated selection technique. Expression of the cDNAs in COS cells gave rise to immunoglobulin G binding of the expected affinity and subtype specificity. RNA blot analysis revealed expression of a 1.7-kilobase transcript in macrophages and in cells of the promonocytic cell line U937 induced with interferon-gamma. The extracellular region of FcRI consists of three immunoglobulin-like domains, two of which share homology with low-affinity receptor domains.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Allen, J M -- Seed, B -- New York, N.Y. -- Science. 1989 Jan 20;243(4889):378-81.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Molecular Biology, Massachusetts General Hospital, Boston 02114.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2911749" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Blotting, Northern ; Cercopithecus aethiops ; Cloning, Molecular ; DNA/genetics ; Gene Expression Regulation ; Humans ; Molecular Sequence Data ; Molecular Weight ; Polymorphism, Genetic ; Receptors, Fc/*genetics ; Transfection
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  • 2
    Publication Date: 1989-06-30
    Description: Complementary DNA's that encode an adenylyl cyclase were isolated from a bovine brain library. Most of the deduced amino acid sequence of 1134 residues is divisible into two alternating sets of hydrophobic and hydrophilic domains. Each of the two large hydrophobic domains appears to contain six transmembrane spans. Each of the two large hydrophilic domains contains a sequence that is homologous to a single cytoplasmic domain of several guanylyl cyclases; these sequences may represent nucleotide binding sites. An unexpected topographical resemblance between adenylyl cyclase and various plasma membrane channels and transporters was observed. This structural complexity suggests possible, unappreciated functions for this important enzyme.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Krupinski, J -- Coussen, F -- Bakalyar, H A -- Tang, W J -- Feinstein, P G -- Orth, K -- Slaughter, C -- Reed, R R -- Gilman, A G -- CA16519/CA/NCI NIH HHS/ -- GM12230/GM/NIGMS NIH HHS/ -- GM34497/GM/NIGMS NIH HHS/ -- etc. -- New York, N.Y. -- Science. 1989 Jun 30;244(4912):1558-64.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Pharmacology, University of Texas Southwestern Medical Center, Dallas 75235.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2472670" target="_blank"〉PubMed〈/a〉
    Keywords: *Adenylyl Cyclases/genetics/isolation & purification ; Amino Acid Sequence ; Animals ; Base Sequence ; Brain/enzymology ; *Carrier Proteins ; Cattle ; Cell Line ; Cloning, Molecular ; DNA/genetics ; Electrophoresis, Polyacrylamide Gel ; *Ion Channels ; Membrane Proteins ; Molecular Sequence Data ; Nucleic Acid Hybridization ; Protein Conformation ; Transfection
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  • 3
    Publication Date: 1989-05-05
    Description: An approach based on the polymerase chain reaction has been devised to clone new members of the family of genes encoding guanosine triphosphate-binding protein (G protein)-coupled receptors. Degenerate primers corresponding to consensus sequences of the third and sixth transmembrane segments of available receptors were used to selectively amplify and clone members of this gene family from thyroid complementary DNA. Clones encoding three known receptors and four new putative receptors were obtained. Sequence comparisons established that the new genes belong to the G protein-coupled receptor family. Close structural similarity was observed between one of the putative receptors and the 5HT1a receptor. Two other molecules displayed common sequence characteristics, suggesting that they are members of a new subfamily of receptors with a very short nonglycosylated (extracellular) amino-terminal extension.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Libert, F -- Parmentier, M -- Lefort, A -- Dinsart, C -- Van Sande, J -- Maenhaut, C -- Simons, M J -- Dumont, J E -- Vassart, G -- New York, N.Y. -- Science. 1989 May 5;244(4904):569-72.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institut de Recherche Interdisciplinaire, Faculte de Medecine, Universite Libre de Bruxelles, Campus Erasme, Belgium.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2541503" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Base Sequence ; *Cloning, Molecular ; DNA/genetics ; DNA-Directed DNA Polymerase ; GTP-Binding Proteins/*metabolism ; *Gene Amplification ; Humans ; Molecular Sequence Data ; Receptors, Adrenergic, alpha/genetics ; Receptors, Adrenergic, beta/genetics ; Receptors, Muscarinic/genetics ; Receptors, Neurokinin-2 ; Receptors, Neurotransmitter/*genetics ; Receptors, Serotonin/genetics ; Sequence Homology, Nucleic Acid ; Thyroid Gland/analysis ; Transcription, Genetic
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  • 4
    Publication Date: 1989-11-24
    Description: Ciliary neurotrophic factor (CNTF) is one of a small number of proteins with neurotrophic activities distinct from nerve growth factor (NGF). CNTF has now been purified and cloned and the primary structure of CNTF from rabbit sciatic nerve has been determined. Biologically active CNTF has been transiently expressed from a rabbit complementary DNA clone. CNTF is a neural effector without significant sequence homologies to any previously reported protein.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lin, L F -- Mismer, D -- Lile, J D -- Armes, L G -- Butler, E T 3rd -- Vannice, J L -- Collins, F -- New York, N.Y. -- Science. 1989 Nov 24;246(4933):1023-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Protein Chemistry Group, Synergen, Inc., Boulder, CO 80301.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2587985" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Cell Line ; Ciliary Neurotrophic Factor ; Cloning, Molecular ; DNA/genetics ; Molecular Sequence Data ; Nerve Growth Factors/*genetics ; Nerve Tissue Proteins/biosynthesis/*genetics/isolation & purification ; Rabbits ; Recombinant Proteins/biosynthesis ; Sciatic Nerve/metabolism ; Transfection
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  • 5
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1989-11-24
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lomax, K J -- Leto, T L -- Nunoi, H -- Gallin, J I -- Malech, H L -- New York, N.Y. -- Science. 1989 Nov 24;246(4933):987.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2587992" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Cytosol/enzymology ; DNA/genetics ; Molecular Sequence Data ; Oxidoreductases/*genetics
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  • 6
    Publication Date: 1989-03-31
    Description: The tpa-1 gene mediates the action of tumor-promoting phorbol esters in the nematode Caenorhabditis elegans. A genomic fragment that constitutes a portion of the tpa-1 gene was cloned by Tc1 transposon tagging and was used as a probe to screen a nematode complementary DNA library. One of the isolated complementary DNA clones had a nucleotide sequence that predicts a polypeptide of 526 amino acids. The predicted amino acid sequence revealed that the predicted tpa-1 protein sequence is highly similar to protein kinase C molecules from various animals, including man.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Tabuse, Y -- Nishiwaki, K -- Miwa, J -- New York, N.Y. -- Science. 1989 Mar 31;243(4899):1713-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Fundamental Research Laboratories, NEC Corporation, Kawasaki, Kanagawa, Japan.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2538925" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Base Sequence ; Caenorhabditis/*drug effects/genetics ; Cloning, Molecular ; Codon ; DNA/genetics ; DNA Restriction Enzymes ; Drug Resistance/genetics ; Genetic Markers ; Molecular Sequence Data ; Mutation ; Nucleic Acid Hybridization ; Phenotype ; Phorbol Esters/*pharmacology ; Protein Kinase C/*genetics ; Sequence Homology, Nucleic Acid
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  • 7
    Publication Date: 1989-09-01
    Description: The structure and function of transcription factors of higher plants was studied by isolating cDNA clones encoding a wheat sequence-specific DNA binding protein. A hexameric nucleotide motif, ACGTCA, is located upstream from the TATA box of several plant histone genes. It has been suggested that this motif is essential for efficient transcription of the wheat histone H3 gene. A wheat nuclear protein, HBP-1 (histone DNA binding protein-1), which specifically binds to the hexameric motif, has previously been identified as a putative transcription factor. A cDNA clone encoding HBP-1 has been isolated on the basis of specific binding of HBP-1 to the hexameric motif. The deduced amino acid sequence indicates that HBP-1 contains the leucine zipper motif, which represents a characteristic property of several eukaryotic transcription factors.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Tabata, T -- Takase, H -- Takayama, S -- Mikami, K -- Nakatsuka, A -- Kawata, T -- Nakayama, T -- Iwabuchi, M -- New York, N.Y. -- Science. 1989 Sep 1;245(4921):965-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Botany, Faculty of Science, Kyoto University, Japan.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2772648" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Base Sequence ; Cloning, Molecular ; DNA/genetics ; DNA-Binding Proteins/*genetics ; *Genes ; Genes, Regulator ; Histones/*genetics ; Information Systems ; *Leucine ; Methylation ; Molecular Sequence Data ; Nuclear Proteins/*genetics ; Nucleic Acid Hybridization ; Plants/*genetics ; *Transcription, Genetic ; Triticum/genetics
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  • 8
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1989-12-01
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Perlman, P S -- Butow, R A -- GM 35510/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1989 Dec 1;246(4934):1106-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Molecular Genetics, Ohio State University, Columbus 43210.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2479980" target="_blank"〉PubMed〈/a〉
    Keywords: Base Sequence ; DNA/genetics ; *Introns/genetics ; Molecular Sequence Data ; Proteins/*genetics ; RNA/genetics ; *RNA Splicing/genetics
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  • 9
    Publication Date: 1989-06-09
    Description: The pathogenesis of Heymann nephritis, a rat model of human membranous glomerulonephritis, depends on the interaction of autoantibodies with a renal glycoprotein (GP330) on glomerular podocytes. Partial complementary DNAs coding for GP330 were isolated and sequenced. The deduced amino acid sequence from 4.3 kilobases of complementary DNA contains the sequences identical to two peptides derived from the isolated glycoprotein. The deduced amino acid sequence of this protein contains regions with homology to the human low density lipoprotein (LDL) receptor, an indication that GP330 and the LDL receptor may be members of the same gene family. Autoantibodies from the kidneys of rats with Heymann nephritis reacted with a nonglycosylated segment of GP330 that contains cysteine-rich 40-amino acid repeats, which are also features of the LDL receptor. GP330 is also similar in some regions to the mouse epidermal growth factor precursor.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Raychowdhury, R -- Niles, J L -- McCluskey, R T -- Smith, J A -- P01-DK38452/DK/NIDDK NIH HHS/ -- R01-DK18729/DK/NIDDK NIH HHS/ -- New York, N.Y. -- Science. 1989 Jun 9;244(4909):1163-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Molecular Biology, Massachusetts General Hospital, Boston 02114.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2786251" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Autoantibodies/*genetics ; DNA/genetics ; Glomerulonephritis/genetics/*immunology ; Heymann Nephritis Antigenic Complex ; Humans ; Membrane Glycoproteins/*genetics ; Molecular Sequence Data ; Rats ; Rats, Inbred Lew ; Receptors, LDL/*genetics ; Reference Values ; Sequence Homology, Nucleic Acid
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  • 10
    Publication Date: 1989-06-23
    Description: Adipsin is a serine protease that is secreted by adipocytes into the bloodstream; it is deficient in several animal models of obesity, representing a striking example of defective gene expression in this disorder. Recombinant mouse adipsin was purified and its biochemical and enzymatic properties were studied in order to elucidate the function of this protein. Activated adipsin has little or no proteolytic activity toward most substrates but has the same activity as human complement factor D, cleaving complement factor B when it is complexed with activated complement component C3. Like authentic factor D, adipsin can activate the alternative pathway of complement, resulting in red blood cell lysis. Decreased (58 to 80 percent) complement factor D activity, relative to lean controls, was observed as a common feature of several experimental models of obesity, including the ob/ob, db/db, and monosodium glutamate (MSG)-injected mouse and the fa/fa rat. These results suggest that adipsin and the alternative pathway of complement may play an unexpected but important role in the regulation of systemic energy balance in vivo.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Rosen, B S -- Cook, K S -- Yaglom, J -- Groves, D L -- Volanakis, J E -- Damm, D -- White, T -- Spiegelman, B M -- DK31403/DK/NIDDK NIH HHS/ -- DK34605/DK/NIDDK NIH HHS/ -- New York, N.Y. -- Science. 1989 Jun 23;244(4911):1483-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Dana-Farber Cancer Institute, Boston, MA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2734615" target="_blank"〉PubMed〈/a〉
    Keywords: Adipose Tissue/metabolism ; Amino Acid Sequence ; Animals ; Cell Line ; Complement Activating Enzymes/*metabolism ; Complement Factor D/*metabolism ; Complement Pathway, Alternative ; Cricetinae ; DNA/genetics ; Gene Expression Regulation ; Humans ; Immunoblotting ; Mice ; Molecular Sequence Data ; Obesity/genetics/*immunology/metabolism ; RNA, Messenger/metabolism ; Recombinant Proteins ; Serine Endopeptidases/genetics/isolation & purification/*metabolism ; Substrate Specificity ; Transfection
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  • 11
    Publication Date: 1989-02-10
    Description: A genomic sequence and cloned complementary DNA has been identified for a novel receptor-like gene of the PDGF receptor/CSF1 receptor subfamily (platelet-derived growth factor receptor/colony-stimulating factor type 1 receptor). The gene recognized a 6.4-kilobase transcript that was coexpressed in normal human tissues with the 5.3-kilobase PDGF receptor messenger RNA. Introduction of complementary DNA of the novel gene into COS-1 cells led to expression of proteins that were specifically detected with antiserum directed against a predicted peptide. When the new gene was transfected into COS-1 cells, a characteristic pattern of binding of the PDGF isoforms was observed, which was different from the pattern observed with the known PDGF receptor. Tyrosine phosphorylation of the receptor in response to the PDGF isoforms was also different from the known receptor. The new PDGF receptor gene was localized to chromosome 4q11-4q12. The existence of genes encoding two PDGF receptors that interact in a distinct manner with three different PDGF isoforms likely confers considerable regulatory flexibility in the functional responses to PDGF.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Matsui, T -- Heidaran, M -- Miki, T -- Popescu, N -- La Rochelle, W -- Kraus, M -- Pierce, J -- Aaronson, S -- New York, N.Y. -- Science. 1989 Feb 10;243(4892):800-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratory of Cellular and Molecular Biology, National Cancer Institute, Bethesda, MD 20892.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2536956" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Cells, Cultured ; *Chromosomes, Human, Pair 4 ; Cloning, Molecular ; DNA/genetics ; Gene Expression Regulation ; *Genes ; Humans ; Molecular Sequence Data ; Multigene Family ; Platelet-Derived Growth Factor/*physiology ; Protein-Tyrosine Kinases/genetics ; RNA, Messenger/genetics ; Receptors, Cell Surface/*genetics ; Receptors, Platelet-Derived Growth Factor ; Tissue Distribution
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  • 12
    Publication Date: 1989-11-17
    Description: The zona pellucida surrounding mouse oocytes is an extracellular matrix composed of three sulfated glycoproteins, ZP1, ZP2, and ZP3. It has been demonstrated that a monoclonal antibody to ZP3 injected into female mice inhibits fertilization by binding to the zona pellucida and blocking sperm penetration. A complementary DNA encoding ZP3 was randomly cleaved and 200- to 1000-base pair fragments were cloned into the expression vector lambda gt11. This epitope library was screened with the aforementioned contraceptive antibody, and the positive clones were used to map the seven-amino acid epitope recognized by the antibody. Female mice were immunized with a synthetic peptide containing this B cell epitope coupled to a carrier protein to provide helper T cell epitopes. The resultant circulating antibodies to ZP3 bound to the zona pellucida of immunized animals and produced long-lasting contraception. The lack of ovarian histopathology or cellular cytotoxicity among the immunized animals may be because of the absence of zona pellucida T cell epitopes in this vaccine.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Millar, S E -- Chamow, S M -- Baur, A W -- Oliver, C -- Robey, F -- Dean, J -- New York, N.Y. -- Science. 1989 Nov 17;246(4932):935-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratory of Cellular and Developmental Biology, National Institute of Diabetes and Digestive and Kidney Diseases, Bethesda, MD 20892.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2479101" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Antigens/immunology ; Base Sequence ; Cloning, Molecular ; *Contraception ; *Contraception, Immunologic ; DNA/genetics ; *Egg Proteins ; Epitopes/analysis ; Female ; Glycoproteins/genetics/*immunology ; Male ; *Membrane Glycoproteins ; Mice ; Molecular Sequence Data ; Ovum/*physiology ; Protein Conformation ; RNA, Messenger/genetics ; *Receptors, Cell Surface ; *Vaccination ; Zona Pellucida/*physiology
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  • 13
    Publication Date: 1989-04-21
    Description: The receptor with high affinity for immunoglobulin E (IgE) on mast cells and basophils is critical in initiating allergic reactions. It is composed of an IgE-binding alpha subunit, a beta subunit, and two gamma subunits. The human alpha subunit was expressed on transfected cells in the presence of rat beta and gamma subunits or in the presence of the gamma subunit alone. The IgE binding properties of the expressed human alpha were characteristic of receptors on normal human cells. These results now permit a systematic analysis of human IgE binding and a search for therapeutically useful inhibitors of that binding.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Miller, L -- Blank, U -- Metzger, H -- Kinet, J P -- New York, N.Y. -- Science. 1989 Apr 21;244(4902):334-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Section on Chemical Immunology, National Institute of Arthritis and Musculoskeletal and Skin Diseases, Bethesda, MD 20892.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2523561" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antigens, Differentiation, B-Lymphocyte/genetics/*metabolism ; Basophils/*immunology ; Cell Line ; Cloning, Molecular ; Cricetinae ; DNA/genetics ; Humans ; Immunoglobulin E/*metabolism ; Immunosorbent Techniques ; Mast Cells/*immunology ; Rats ; Receptors, Fc/genetics/*metabolism ; Receptors, IgE ; *Transfection ; Tumor Cells, Cultured
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  • 14
    Publication Date: 1989-08-11
    Description: Cadherins are a family of Ca2+-dependent intercellular adhesion molecules. Complementary DNAs encoding mouse neural cadherin (N-cadherin) were cloned, and the cell binding specificity of this molecule was examined. Mouse N-cadherin shows 92 percent similarity in amino acid sequence to the chicken homolog, while it shows 49 percent and 43 percent similarity to epithelial cadherin and to placental cadherin of the same species, respectively. In cell binding assays, mouse N-cadherin did not cross-react with other mouse cadherins, but it did cross-react with chicken N-cadherin. The results indicate that each cadherin type confers distinct adhesive specificities on different cells, and also that the specificity of N-cadherin is conserved between mammalian and avian cells.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Miyatani, S -- Shimamura, K -- Hatta, M -- Nagafuchi, A -- Nose, A -- Matsunaga, M -- Hatta, K -- Takeichi, M -- New York, N.Y. -- Science. 1989 Aug 11;245(4918):631-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biophysics, Faculty of Science, Kyoto University, Japan.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2762814" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Antibodies, Monoclonal ; Antigens, Surface/genetics/*physiology ; Base Sequence ; Brain Chemistry ; *Cell Adhesion ; Cell Adhesion Molecules ; Chickens ; Cloning, Molecular ; DNA/genetics ; Embryo, Mammalian ; Embryo, Nonmammalian ; L Cells (Cell Line) ; Mice ; Molecular Sequence Data ; Nerve Tissue/*analysis ; Nucleic Acid Hybridization ; Tissue Distribution ; Transfection
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  • 15
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1989-09-01
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Marx, J L -- New York, N.Y. -- Science. 1989 Sep 1;245(4921):923-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2772644" target="_blank"〉PubMed〈/a〉
    Keywords: Chromosome Mapping ; *Chromosomes, Human, Pair 7 ; Cystic Fibrosis/*genetics ; DNA/genetics ; *Genes ; Humans
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  • 16
    Publication Date: 1989-09-15
    Description: Joining of V-, D-, and J-region gene segments during DNA rearrangements within all antigen receptor genes involves recognition of the same highly conserved heptamernonamer sequences flanking each segment. In order to investigate the possibility that recognition of these conserved sequences may sometimes permit intergenic joining of segments among different antigen receptor genes, DNA of normal human lymphoid tissues was examined by polymerase chain reaction amplification for the presence of chimeric gamma-delta T cell receptor gene rearrangements. These studies detected V gamma-(D delta)-J delta and V delta-(D delta)-J gamma rearrangements in thymus, peripheral blood, and tonsil. Analysis of thymus RNA indicated that many of these rearrangements are expressed as V gamma-(D delta)-J delta-C delta and V delta-(D delta)-J gamma-C gamma transcripts. Most transcripts (19 of 20 complementary DNA clones studied) are appropriately spliced and show correct open translational reading frames across the V-(D)-J junctions. Thus, chimeric antigen receptor genes are generated in a subset of normal lymphoid cells, probably as a result of chromosomal translocations, and such genes may possibly contribute to increased diversity within the antigen receptor repertoire.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Tycko, B -- Palmer, J D -- Sklar, J -- CA38621/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1989 Sep 15;245(4923):1242-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Pathology, Stanford University, CA 94305.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2551037" target="_blank"〉PubMed〈/a〉
    Keywords: Base Sequence ; Blotting, Southern ; Cell Line ; Chimera ; DNA/genetics ; DNA Probes ; Gene Amplification ; *Gene Rearrangement, T-Lymphocyte ; *Gene Rearrangement, gamma-Chain T-Cell Antigen Receptor ; Humans ; *Lymphoid Tissue ; Molecular Sequence Data ; Nucleic Acid Hybridization ; Receptors, Antigen, T-Cell/*genetics ; Sequence Homology, Nucleic Acid ; Thymus Gland
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  • 17
    Publication Date: 1989-03-03
    Description: Sindbis virus, an enveloped virus with a single-stranded RNA genome, was engineered to express a bacterial protein, chloramphenicol acetyltransferase (CAT), in cultured insect, avian, and mammalian cells. The vectors were self-replicating and gene expression was efficient and rapid; up to 10(8) CAT polypeptides were produced per infected cell in 16 to 20 hours. CAT expression could be made temperature-sensitive by means of a derivative that incorporated a temperature-sensitive mutation in viral RNA synthesis. Vector genomic RNAs were packaged into infectious particles when Sindbis helper virus was used to supply virion structural proteins. The vector RNAs were stable to at least seven cycles of infection. The expression of CAT increased about 10(3)-fold, despite a 10(15)-fold dilution during the passaging. Sindbis virus vectors should prove useful for expressing large quantities of gene products in a variety of animal cells.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Xiong, C -- Levis, R -- Shen, P -- Schlesinger, S -- Rice, C M -- Huang, H V -- AG05681/AG/NIA NIH HHS/ -- AI11377/AI/NIAID NIH HHS/ -- AI24134/AI/NIAID NIH HHS/ -- New York, N.Y. -- Science. 1989 Mar 3;243(4895):1188-91.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Microbiology and Immunology, 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/2922607" target="_blank"〉PubMed〈/a〉
    Keywords: Aedes ; Animals ; Bacteria/enzymology ; Cells, Cultured ; Chick Embryo ; Chloramphenicol O-Acetyltransferase/*genetics ; Codon ; Cricetinae ; DNA/genetics ; Drosophila ; Gene Amplification ; Gene Expression Regulation ; *Genetic Engineering ; *Genetic Vectors ; Humans ; Quail ; RNA, Viral/*genetics ; Sindbis Virus/*genetics ; Transcription, Genetic ; Transfection
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  • 18
    Publication Date: 1989-06-30
    Description: The mdx mouse is an X-linked myopathic mutant, an animal model for human Duchenne muscular dystrophy. In both mouse and man the mutations lie within the dystrophin gene, but the phenotypic differences of the disease in the two species confer much interest on the molecular basis of the mdx mutation. The complementary DNA for mouse dystrophin has been cloned, and the sequence has been used in the polymerase chain reaction to amplify normal and mdx dystrophin transcripts in the area of the mdx mutation. Sequence analysis of the amplification products showed that the mdx mouse has a single base substitution within an exon, which causes premature termination of the polypeptide chain.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sicinski, P -- Geng, Y -- Ryder-Cook, A S -- Barnard, E A -- Darlison, M G -- Barnard, P J -- New York, N.Y. -- Science. 1989 Jun 30;244(4912):1578-80.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Medical Research Unit, MRC Centre, Cambridge, United Kingdom.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2662404" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Base Sequence ; Chromosome Mapping ; Cloning, Molecular ; Codon ; DNA/genetics ; DNA Probes ; DNA-Directed DNA Polymerase ; Dystrophin ; Exons ; Gene Amplification ; Humans ; Mice ; Mice, Mutant Strains ; Molecular Sequence Data ; Muscle Proteins/*genetics ; Muscular Dystrophy, Animal/*genetics ; *Mutation ; Nucleic Acid Hybridization ; Phenotype
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  • 19
    Publication Date: 1989-12-15
    Description: A protein secreted by cultured rat heart cells can direct the choice of neurotransmitter phenotype made by cultured rat sympathetic neurons. Structural analysis and biological assays demonstrated that this protein is identical to a protein that regulates the growth and differentiation of embryonic stem cells and myeloid cells, and that stimulates bone remodeling and acute-phase protein synthesis in hepatocytes. This protein has been termed D factor, DIA, DIF, DRF, HSFIII, and LIF. Thus, this cytokine, like IL-6 and TGF beta, regulates growth and differentiation in the embryo and in the adult in many tissues, now including the nervous system.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Yamamori, T -- Fukada, K -- Aebersold, R -- Korsching, S -- Fann, M J -- Patterson, P H -- New York, N.Y. -- Science. 1989 Dec 15;246(4936):1412-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Biology Division, California Institute of Technology, Pasadena 91125.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2512641" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Base Sequence ; Cell Differentiation ; Cells, Cultured ; Choline/*physiology ; Cloning, Molecular ; DNA/genetics ; *Growth Inhibitors/genetics/pharmacology/secretion ; Humans ; Immunosorbent Techniques ; *Interleukin-6 ; Leukemia Inhibitory Factor ; *Lymphokines ; Mice ; Molecular Sequence Data ; Myocardium/*metabolism ; Neurons/*cytology ; Rats ; Sequence Homology, Nucleic Acid
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  • 20
    Publication Date: 1989-11-03
    Description: A complementary DNA (cDNA) for ubiquitin carboxyl-terminal hydrolase isozyme L3 was cloned from human B cells. The cDNA encodes a protein of 230 amino acids with a molecular mass of 26.182 daltons. The human protein is very similar to the bovine homolog, with only three amino acids differing in over 100 residues compared. The amino acid sequence deduced from the cDNA was 54% identical to that of the neuron-specific protein PGP 9.5. Purification of bovine PGP 9.5 confirmed that it is also a ubiquitin carboxyl-terminal hydrolase. These results suggest that a family of such related proteins exists and that their expression is tissue-specific.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wilkinson, K D -- Lee, K M -- Deshpande, S -- Duerksen-Hughes, P -- Boss, J M -- Pohl, J -- New York, N.Y. -- Science. 1989 Nov 3;246(4930):670-3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biochemistry, Emory University School of Medicine, Atlanta, GA 30322.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2530630" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; B-Lymphocytes/enzymology ; Base Sequence ; Cattle ; DNA/genetics ; Humans ; Isoenzymes/genetics ; Molecular Sequence Data ; Neuropeptides/*genetics/isolation & purification ; Sequence Homology, Nucleic Acid ; Thiolester Hydrolases/*genetics/isolation & purification ; Ubiquitin Thiolesterase
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  • 21
    Publication Date: 1989-06-09
    Description: Insulin-dependent diabetes mellitus (IDDM) is caused by a specific loss of the insulin-producing beta cells from pancreatic Langerhans islets. It has been proposed that aberrant expression of major histocompatibility complex (MHC) class II molecules on these cells could be a triggering factor for their autoimmune destruction. This proposal was tested in transgenic mice that express allogeneic or syngeneic class II molecules on the surface of islet cells at a level comparable with that normally found on resting B lymphocytes. These animals do not develop diabetes, nor is lymphocyte infiltration of the islets observed. This immunological inactivity does not result from tolerance to the "foreign" class II molecules.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bohme, J -- Haskins, K -- Stecha, P -- van Ewijk, W -- LeMeur, M -- Gerlinger, P -- Benoist, C -- Mathis, D -- New York, N.Y. -- Science. 1989 Jun 9;244(4909):1179-83.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratoire de Genetique Moleculaire des Eucaryotes du CNRS--Unite 184, Institut de Chimie Biologique, Faculte de Medecine, Strasbourg, France.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2499048" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Blood Glucose/analysis ; DNA/genetics ; Diabetes Mellitus, Experimental/genetics/immunology ; Diabetes Mellitus, Type 1/genetics/immunology ; *Genes, MHC Class II ; Globins/genetics ; Histocompatibility Antigens Class II/*immunology ; Islets of Langerhans/*immunology ; Lymphocyte Activation ; Major Histocompatibility Complex ; Mice ; Mice, Transgenic
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  • 22
    Publication Date: 1989-02-03
    Description: The RNA genome of the hepatitis delta virus (HDV) appears to be made up of two parts: a small domain with a high degree of sequence conservation and structural features likely to promote replication; plus a second, larger domain that is less conserved and encodes the delta antigen. This report focuses on one of the several sets of data that have led to the proposal of this model: the existence of a novel structural element in HDV genomic RNA. This structural element lies within the highly conserved domain of HDV RNA and may be related to the local tertiary structure previously mapped to the central conserved region of the plant viroid genome. Both elements occur in regions with no apparent coding capacity and are distinctively responsive to ultraviolet (UV) light. Transcripts containing partial and full-length genomic sequences of HDV readily undergo a UV-induced crosslinking reaction, which establishes a covalent bond between two noncontiguous segments. By locking two segments of the overall structure into place, this crosslink has permitted the unbranched, rodlike model of HDV RNA to be examined and confirmed in the portion of the RNA analyzed. The clustering of the novel tertiary structure and the recently discovered self-cleavage sites into a highly conserved, but apparently noncoding, portion of the genome defines a viroid-like domain in HDV RNA and raises questions about the possible events leading up to the association of free-living RNAs with messenger RNAs and other RNA molecules.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Branch, A D -- Benenfeld, B J -- Baroudy, B M -- Wells, F V -- Gerin, J L -- Robertson, H D -- DA-5130/DA/NIDA NIH HHS/ -- GM-28294/GM/NIGMS NIH HHS/ -- N01-AI-72623/AI/NIAID NIH HHS/ -- New York, N.Y. -- Science. 1989 Feb 3;243(4891):649-52.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratory of Genetics, Rockefeller University, New York, NY 10021.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2492676" target="_blank"〉PubMed〈/a〉
    Keywords: DNA/genetics ; Electrophoresis, Polyacrylamide Gel ; *Genes ; *Genes, Viral ; Hepatitis Delta Virus/*genetics ; Macromolecular Substances ; RNA, Ribosomal, 5S ; RNA, Viral/metabolism/*radiation effects ; Ribonuclease T1/metabolism ; Ribonuclease, Pancreatic/metabolism ; Transcription, Genetic ; *Ultraviolet Rays
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  • 23
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1989-08-11
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Barinaga, M -- New York, N.Y. -- Science. 1989 Aug 11;245(4918):590-1.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2669126" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; DNA/genetics ; Fertilization in Vitro ; Genetic Engineering/*methods ; History, 20th Century ; Male ; Mice ; Mice, Transgenic/*genetics ; Spermatozoa ; Transfection ; Zygote
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  • 24
    Publication Date: 1989-03-03
    Description: Focal adhesion of leukocytes to the blood vessel lining is a key step in inflammation and certain vascular disease processes. Endothelial leukocyte adhesion molecule-1 (ELAM-1), a cell surface glycoprotein expressed by cytokine-activated endothelium, mediates the adhesion of blood neutrophils. A full-length complementary DNA (cDNA) for ELAM-1 has now been isolated by transient expression in COS cells. Cells transfected with the ELAM-1 clone express a surface structure recognized by two ELAM-1 specific monoclonal antibodies (H4/18 and H18/7) and support the adhesion of isolated human neutrophils and the promyelocytic cell line HL-60. Expression of ELAM-1 transcripts in cultured human endothelial cells is induced by cytokines, reaching a maximum at 2 to 4 hours and decaying by 24 hours; cell surface expression of ELAM-1 protein parallels that of the mRNA. The primary sequence of ELAM-1 predicts an amino-terminal lectin-like domain, an EGF domain, and six tandem repetitive motifs (about 60 amino acids each) related to those found in complement regulatory proteins. A similar domain structure is also found in the MEL-14 lymphocyte cell surface homing receptor, and in granule-membrane protein 140, a membrane glycoprotein of platelet and endothelial secretory granules that can be rapidly mobilized (less than 5 minutes) to the cell surface by thrombin and other stimuli. Thus, ELAM-1 may be a member of a nascent gene family of cell surface molecules involved in the regulation of inflammatory and immunological events at the interface of vessel wall and blood.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bevilacqua, M P -- Stengelin, S -- Gimbrone, M A Jr -- Seed, B -- P01 HL-36028/HL/NHLBI NIH HHS/ -- New York, N.Y. -- Science. 1989 Mar 3;243(4895):1160-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Pathology, Brigham and Women's Hospital, Boston, MA 02115.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2466335" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Base Sequence ; Cell Adhesion ; DNA/genetics ; E-Selectin ; Endothelium, Vascular/metabolism ; Gene Expression Regulation ; Humans ; Immunoassay ; Interleukin-1/pharmacology ; *Membrane Glycoproteins ; Molecular Sequence Data ; Neutrophils/*physiology ; Nucleic Acid Hybridization ; Recombinant Proteins ; Sequence Homology, Nucleic Acid ; Transcription, Genetic ; Transfection ; Tumor Cells, Cultured ; Tumor Necrosis Factor-alpha/pharmacology
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  • 25
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1989-04-21
    Description: Mature B cells that express surface immunoglobulin (Ig) are usually committed to their original Ig product. It was shown that such a cell can replace its light chain by rearranging and expressing a new light chain from the other allele. Anti-idiotype antibodies were used to isolate idiotypic variants from a surface IgM+lambda+ human B cell tumor line. The variants expressed a new lambda light chain. Both the original and the new lambda transcripts were present in the variant cells, but only the new one was expressed as a protein on the cell surface. Therefore, although the cell exhibited allelic exclusion and had only one Ig receptor at a time, the commitment to a particular light chain gene was reversible.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Berinstein, N -- Levy, S -- Levy, R -- CA33399/CA/NCI NIH HHS/ -- CA34233/CA/NCI NIH HHS/ -- RR-01685-05/RR/NCRR NIH HHS/ -- New York, N.Y. -- Science. 1989 Apr 21;244(4902):337-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Medicine, Stanford University Medical Center, CA 94305.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2496466" target="_blank"〉PubMed〈/a〉
    Keywords: *Alleles ; Amino Acid Sequence ; Antibodies, Anti-Idiotypic ; B-Lymphocytes/immunology ; Base Sequence ; DNA/genetics ; DNA Probes ; *Genes, Immunoglobulin ; Genetic Variation ; Humans ; Immunoglobulin Idiotypes/immunology ; Immunoglobulin M/genetics ; Immunoglobulin Variable Region/genetics ; Immunoglobulin lambda-Chains/genetics ; Lymphoma/genetics/*immunology ; Molecular Sequence Data ; Nucleic Acid Hybridization ; Transcription, Genetic ; Tumor Cells, Cultured
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  • 26
    Publication Date: 1988-12-16
    Description: Fibroblasts were genetically modified to secrete nerve growth factor (NGF) by infection with a retroviral vector and then implanted into the brains of rats that had surgical lesions of the fimbria-fornix. The grafted cells survived and produced sufficient NGF to prevent the degeneration of cholinergic neurons that would die without treatment. In addition, the protected cholinergic cells sprouted axons that projected in the direction of the cellular source of NGF. These results indicate that a combination of gene transfer and intracerebral grafting may provide an effective treatment for some disorders of the central nervous system.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Rosenberg, M B -- Friedmann, T -- Robertson, R C -- Tuszynski, M -- Wolff, J A -- Breakefield, X O -- Gage, F H -- AG06088/AG/NIA NIH HHS/ -- HD20034/HD/NICHD NIH HHS/ -- NS24279/NS/NINDS NIH HHS/ -- New York, N.Y. -- Science. 1988 Dec 16;242(4885):1575-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Pediatrics, University of California School of Medicine, La Jolla 92093.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3201248" target="_blank"〉PubMed〈/a〉
    Keywords: Acetylcholinesterase/metabolism ; Animals ; Brain/cytology/enzymology/*pathology ; Cell Survival ; DNA/genetics ; Fibroblasts/metabolism/*transplantation ; Genetic Vectors ; Histocytochemistry ; Moloney murine leukemia virus/genetics ; Nerve Growth Factors/genetics/*physiology ; Rats
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  • 27
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1988-02-19
    Description: Point mutations were introduced into the overlapping trans-regulatory genes (tat-III and trs) of human immunodeficiency virus type 1 (HIV-1), and the mutants were evaluated for virus expression. The results showed that tat-III has a positive transacting role and is required for transcriptional activation. A chain terminating mutation early in the trs gene resulted in an increase in transcription of viral messenger RNA as measured by nuclear transcription experiments, but only one major species of viral messenger RNA (1.8 kilobases) was detected, and little or no viral structural proteins were made. Thus, the trs gene product is essential for expression of virus structural proteins but, at the same time, may have a negative trans-regulatory role in transcription. Cotransfection of the point mutant proviruses defective in tat or trs with each other or with a complementary DNA clone containing tat and trs sequences restored the normal transcription pattern and subsequent virus production.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sadaie, M R -- Benter, T -- Wong-Staal, F -- New York, N.Y. -- Science. 1988 Feb 19;239(4842):910-3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratory of Tumor Cell Biology, 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/3277284" target="_blank"〉PubMed〈/a〉
    Keywords: Acetyltransferases/genetics ; Acquired Immunodeficiency Syndrome/immunology ; Animals ; Cell Line ; Chloramphenicol O-Acetyltransferase ; Codon ; DNA/genetics ; *Genes, Regulator ; *Genes, Viral ; HIV/*genetics ; Humans ; Immunosorbent Techniques ; *Mutation ; Plasmids ; RNA, Messenger/genetics ; RNA, Viral/genetics ; Transcription, Genetic ; Transfection
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  • 28
    Publication Date: 1988-02-26
    Description: The inheritance of particular alleles of major histocompatibility complex class II genes increases the risk for various human autoimmune diseases; however, only a small percentage of individuals having an allele associated with susceptibility develop disease. The identification of allelic variants more precisely correlated with disease susceptibility would greatly facilitate clinical screening and diagnosis. Oligonucleotide-primed gene amplification in vitro was used to determine the nucleotide sequence of a class II variant found almost exclusively in patients with the autoimmune skin disease pemphigus vulgaris. In addition to clinical implications, the disease-restricted distribution of this variant should provide insight into the molecular mechanisms underlying associations between diseases and HLA-class II genes.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sinha, A A -- Brautbar, C -- Szafer, F -- Friedmann, A -- Tzfoni, E -- Todd, J A -- Steinman, L -- McDevitt, H O -- New York, N.Y. -- Science. 1988 Feb 26;239(4843):1026-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Medical Microbiology, Stanford University, CA 94305.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2894075" target="_blank"〉PubMed〈/a〉
    Keywords: Alleles ; Autoimmune Diseases/*genetics/immunology ; Base Sequence ; DNA/genetics ; Gene Amplification ; Genetic Variation ; HLA-D Antigens/*genetics ; HLA-DQ Antigens/*genetics/immunology ; HLA-DR Antigens/immunology ; Humans ; Molecular Sequence Data ; Nucleic Acid Hybridization ; Pemphigus/*genetics/immunology ; Polymorphism, Restriction Fragment Length
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  • 29
    Publication Date: 1988-07-29
    Description: An octamer DNA sequence plays a critical role in directing transcription of immunoglobulin genes in B lymphocytes. A new technique of direct binding of radioactive DNA was used to screen a complementary DNA expression library from the BJAB cell line in lambda gt11 phage to derive molecular cDNA clones representing a putative B lymphocyte-specific octamer binding protein. The plaques were screened with DNA containing four copies of the octamer sequence and positive phage recombinants were identified. The fusion protein produced on inducing a lysogen of one phage bound to a monomeric octamer probe. The cDNA insert from this phage hybridized to messenger RNA found in B lymphocytes, but not in most other cells. Thus, this cDNA derives from a gene (oct-2) that specifies an octamer binding protein expressed preferentially in B lymphocytes, proving that, for at least one gene, a cell-specific transcription factor exists and its amount is controlled through messenger RNA availability.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Staudt, L M -- Clerc, R G -- Singh, H -- LeBowitz, J H -- Sharp, P A -- Baltimore, D -- P01-CA42063/CA/NCI NIH HHS/ -- P30-CAL4051/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1988 Jul 29;241(4865):577-80.〈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/3399892" target="_blank"〉PubMed〈/a〉
    Keywords: Cloning, Molecular ; DNA/genetics ; DNA-Binding Proteins/*physiology ; Gene Expression Regulation ; *Genes ; Humans ; Lymphocytes/*physiology ; *Regulatory Sequences, Nucleic Acid ; Transcription Factors/*physiology
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  • 30
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1988-11-18
    Description: A rat kidney messenger RNA that induces a slowly activating, voltage-dependent potassium current on its expression in Xenopus oocytes was identified by combining molecular cloning with an electrophysiological assay. The cloned complementary DNA encodes a novel membrane protein that consists of 130 amino acids with a single putative transmembrane domain. This protein differs from the known ion channel proteins but is involved in the induction of selective permeation of potassium ions by membrane depolarization.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Takumi, T -- Ohkubo, H -- Nakanishi, S -- New York, N.Y. -- Science. 1988 Nov 18;242(4881):1042-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institute for Immunology, Kyoto University Faculty of Medicine, Japan.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3194754" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Base Sequence ; Blotting, Northern ; Cloning, Molecular ; DNA/genetics ; Electric Conductivity ; Membrane Potentials ; Membrane Proteins/*genetics ; Molecular Sequence Data ; Molecular Weight ; Potassium Channels/*physiology ; Rats ; Xenopus laevis
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  • 31
    Publication Date: 1988-10-14
    Description: Structural changes of the human retinoblastoma gene have been demonstrated previously in retinoblastoma and some clinically related tumors including osteosarcoma. Structural aberrations of the retinoblastoma locus (RB1) were observed in 25% of breast tumor cell lines studied and 7% of the primary tumors. These changes include homozygous internal deletions and total deletion of RB1; a duplication of an exon was observed in one of the cell lines. In all cases, structural changes either resulted in the absence or truncation of the RB1 transcript. No obvious defect in RB1 was detected by DNA blot analysis in primary tumors or cell lines from Wilms' tumor, cervical carcinoma, or hepatoma. These results further support the concept that the human RB1 gene has pleiotropic effects on specific types of cancer.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉T'Ang, A -- Varley, J M -- Chakraborty, S -- Murphree, A L -- Fung, Y K -- CA44754/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1988 Oct 14;242(4876):263-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Division of Hematology/Oncology, Childrens Hospital of Los Angeles, CA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3175651" target="_blank"〉PubMed〈/a〉
    Keywords: Breast Neoplasms/*genetics ; Chromosome Aberrations ; Chromosomes, Human, Pair 13 ; DNA/genetics ; DNA Probes ; Exons ; Eye Neoplasms/*genetics ; Female ; *Gene Rearrangement ; Homozygote ; Humans ; Lymphatic Metastasis ; Menopause ; Mutation ; Nucleic Acid Hybridization ; Retinoblastoma/*genetics ; Risk Factors ; Tumor Cells, Cultured
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  • 32
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1988-06-17
    Description: Unequal crossing-over within a head-to-tail tandem array of the homologous red and green visual pigment genes has been proposed to explain the observed variation in green-pigment gene number among individuals and the prevalence of red-green fusion genes among color-blind subjects. This model was tested by probing the structure of the red and green pigment loci with long-range physical mapping techniques. The loci were found to constitute a gene array with an approximately 39-kilobase repeat length. The position of the red pigment gene at the 5' edge of the array explains its lack of variation in copy number. Restriction maps of the array in four individuals who differ in gene number are consistent with a head-to-tail configuration of the genes. These results provide physical evidence in support of the model and help to explain the high incidence of color blindness in the human population.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Vollrath, D -- Nathans, J -- Davis, R W -- GM21891/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1988 Jun 17;240(4859):1669-72.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biochemistry, Stanford University School of Medicine, CA 94305.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2837827" target="_blank"〉PubMed〈/a〉
    Keywords: Color Vision Defects/*genetics ; Crossing Over, Genetic ; DNA/genetics ; DNA Restriction Enzymes ; Electrophoresis, Agar Gel ; Exons ; Female ; Genetic Variation ; Humans ; Male ; Nucleic Acid Hybridization ; Recombination, Genetic ; Repetitive Sequences, Nucleic Acid ; Retinal Pigments/*genetics ; *X Chromosome
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  • 33
    Publication Date: 1988-04-29
    Description: Zeins, the storage proteins of maize, are totally lacking in the essential amino acids lysine and tryptophan. Lysine codons and lysine- and tryptophan-encoding oligonucleotides were introduced at several positions into a 19-kilodalton zein complementary DNA by oligonucleotide-mediated mutagenesis. A 450-base pair open reading frame from a simian virus 40 (SV40) coat protein was also engineered into the zein coding region. Messenger RNAs for the modified zeins were synthesized in vitro with an SP6 RNA polymerase system and injected into Xenopus laevis oocytes. The modifications did not affect the translation, signal peptide cleavage, or stability of the zeins. The ability of the modified zeins to assemble into structures similar to maize protein bodies was assayed by two criteria: assembly into membrane-bound vesicles resistant to exogenously added protease, and ability to self-aggregate into dense structures. All of the modified zeins were membrane-bound; only the one containing a 17-kilodalton SV40 protein fragment was unable to aggregate. These findings suggest that it may be possible to create high-lysine corn by genetic engineering.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wallace, J C -- Galili, G -- Kawata, E E -- Cuellar, R E -- Shotwell, M A -- Larkins, B A -- New York, N.Y. -- Science. 1988 Apr 29;240(4852):662-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Botany and Plant Pathology, Purdue University, West Lafayette, IN 47907.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2834822" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Cell Membrane/metabolism ; DNA/genetics ; DNA, Recombinant ; Female ; Genetic Engineering ; *Lysine/genetics ; Macromolecular Substances ; Molecular Sequence Data ; Mutation ; Oocytes/*metabolism ; Peptide Hydrolases/metabolism ; RNA, Messenger/genetics ; Simian virus 40/genetics ; Xenopus laevis ; Zea mays ; Zein/genetics/*metabolism
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  • 34
    Publication Date: 1988-05-06
    Description: Acute promyelocytic leukemia (subtype M3) is characterized by malignant promyelocytes exhibiting an abundance of abnormally large or aberrant primary granules. Myeloperoxidase (MPO) activity of these azurophilic granules, as assessed by cytochemical staining, is unusually intense. In addition, M3 is universally associated with a chromosomal translocation, t(15;17)(q22;q11.2). In this report, the MPO gene was localized to human chromosome 17 (q12-q21), the region of the breakpoint on chromosome 17 in the t(15;17), by somatic cell hybrid analysis and in situ chromosomal hybridization. By means of MPO complementary DNA clones for in situ hybridization and Southern blot analysis, the effect of this specific translocation on the MPO gene was examined. In all cases of M3 examined, MPO is translocated to chromosome 15. Genomic blot analyses indicate rearrangement of MPO in leukemia cells of two of four cases examined. These findings suggest that MPO may be pivotal in the pathogenesis of acute promyelocytic leukemia.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Weil, S C -- Rosner, G L -- Reid, M S -- Chisholm, R L -- Lemons, R S -- Swanson, M S -- Carrino, J J -- Diaz, M O -- Le Beau, M M -- 1R01 CA44475/CA/NCI NIH HHS/ -- CA09273/CA/NCI NIH HHS/ -- CA16910/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1988 May 6;240(4853):790-2.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Pathology, Northwestern University Medical Center, Chicago, IL 60611.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2896388" target="_blank"〉PubMed〈/a〉
    Keywords: Bone Marrow/analysis ; Chromosome Mapping ; Chromosomes, Human, Pair 15 ; Chromosomes, Human, Pair 17 ; DNA/genetics ; DNA Restriction Enzymes ; DNA, Recombinant ; Humans ; Leukemia, Myeloid, Acute/*enzymology/genetics ; Nucleic Acid Hybridization ; Peroxidase/*genetics ; Plasmids ; Polymorphism, Restriction Fragment Length ; *Translocation, Genetic
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  • 35
    Publication Date: 1988-03-18
    Description: A probe for the 5' end of the Duchenne muscular dystrophy (DMD) gene was used to study expression of the gene in normal human muscle, myogenic cell cultures, and muscle from patients with DMD. Expression was found in RNA from normal fetal muscle, adult cardiac and skeletal muscle, and cultured muscle after myoblast fusion. In DMD muscle, expression of this portion of the gene was also revealed by in situ RNA hybridization, particularly in regenerating muscle fibers.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Scott, M O -- Sylvester, J E -- Heiman-Patterson, T -- Shi, Y J -- Fieles, W -- Stedman, H -- Burghes, A -- Ray, P -- Worton, R -- Fischbeck, K H -- GM32592/GM/NIGMS NIH HHS/ -- NS08075/NS/NINDS NIH HHS/ -- New York, N.Y. -- Science. 1988 Mar 18;239(4846):1418-20.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Neurology Department, Hospital of the University of Pennsylvania, Philadelphia, 19104.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2450401" target="_blank"〉PubMed〈/a〉
    Keywords: Cells, Cultured ; DNA/genetics ; DNA, Recombinant ; *Gene Expression Regulation ; Humans ; Muscles/embryology/*metabolism ; Muscular Dystrophies/*genetics ; Myocardium/metabolism ; Nucleic Acid Hybridization ; RNA/metabolism ; RNA, Messenger/metabolism ; Regeneration ; Transcription, Genetic
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  • 36
    Publication Date: 1988-05-06
    Description: A point mutation in the human insulin receptor gene in a patient with type A insulin resistance alters the amino acid sequence within the tetrabasic processing site of the proreceptor molecule from Arg-Lys-Arg-Arg to Arg-Lys-Arg-Ser. Epstein-Barr virus-transformed lymphocytes from this patient synthesize an insulin receptor precursor that is normally glycosylated and inserted into the plasma membrane but is not cleaved to mature alpha and beta subunits. Insulin binding to these cells is severely reduced but can be increased about fivefold by gentle treatment with trypsin, accompanied by the appearance of normal alpha subunits. These results indicate that proteolysis of the proreceptor is necessary for its normal full insulin-binding sensitivity and signal-transducing activity and that a cellular protease that is more stringent in its specificity than trypsin is required to process the receptor precursor.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Yoshimasa, Y -- Seino, S -- Whittaker, J -- Kakehi, T -- Kosaki, A -- Kuzuya, H -- Imura, H -- Bell, G I -- Steiner, D F -- AM 13914/AM/NIADDK NIH HHS/ -- AM 20595/AM/NIADDK NIH HHS/ -- New York, N.Y. -- Science. 1988 May 6;240(4853):784-7.〈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/3283938" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Amino Acid Sequence ; Cell Membrane/metabolism ; Cells, Cultured ; DNA/genetics ; Diabetes Mellitus/*genetics/metabolism ; Female ; Glycosylation ; Humans ; Insulin/metabolism ; Insulin Resistance/*genetics ; Lymphocytes/metabolism ; Molecular Sequence Data ; Mutation ; Nucleic Acid Hybridization ; Protein Precursors/*genetics/metabolism ; RNA, Messenger/metabolism ; Receptor, Insulin/*genetics/metabolism ; Trypsin/metabolism
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  • 37
    Publication Date: 1988-12-16
    Description: Protein extracts derived from bone can initiate the process that begins with cartilage formation and ends in de novo bone formation. The critical components of this extract, termed bone morphogenetic protein (BMP), that direct cartilage and bone formation as well as the constitutive elements supplied by the animal during this process have long remained unclear. Amino acid sequence has been derived from a highly purified preparation of BMP from bovine bone. Now, human complementary DNA clones corresponding to three polypeptides present in this BMP preparation have been isolated, and expression of the recombinant human proteins have been obtained. Each of the three (BMP-1, BMP-2A, and BMP-3) appears to be independently capable of inducing the formation of cartilage in vivo. Two of the encoded proteins (BMP-2A and BMP-3) are new members of the TGF-beta supergene family, while the third, BMP-1, appears to be a novel regulatory molecule.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wozney, J M -- Rosen, V -- Celeste, A J -- Mitsock, L M -- Whitters, M J -- Kriz, R W -- Hewick, R M -- Wang, E A -- New York, N.Y. -- Science. 1988 Dec 16;242(4885):1528-34.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Tissue Growth and Repair Program, Genetics Institute, Inc., Cambridge, MA 02140.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3201241" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Bone Morphogenetic Proteins ; Cartilage/cytology/drug effects ; Cell Line ; DNA/genetics ; Growth Substances/*genetics ; Humans ; Molecular Sequence Data ; *Osteogenesis ; Proteins/*genetics/pharmacology ; Recombinant Proteins/pharmacology ; Sequence Homology, Nucleic Acid ; Transforming Growth Factors/genetics
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  • 38
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1988-10-14
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Marx, J L -- New York, N.Y. -- Science. 1988 Oct 14;242(4876):191-2.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3175649" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Chimera ; DNA/genetics ; Drug Resistance/genetics ; *Genetic Therapy ; Globins/genetics ; Growth ; Hypoxanthine Phosphoribosyltransferase/genetics ; Mice ; *Transfection
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  • 39
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1988-01-22
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Marx, J L -- New York, N.Y. -- Science. 1988 Jan 22;239(4838):351.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3336788" target="_blank"〉PubMed〈/a〉
    Keywords: DNA/genetics ; *Genes ; Humans ; Receptors, Antigen, T-Cell/*genetics
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  • 40
    Publication Date: 1988-10-21
    Description: Expression of a complementary DNA (cDNA) encoding the mouse MyoD1 protein in a variety of fibroblast and adipoblast cell lines converts them to myogenic cells. Polyclonal antisera to fusion proteins containing the MyoD1 sequence show that MyoD1 is a phosphoprotein present in the nuclei of proliferating myoblasts and differentiated myotubes but not expressed in 10T1/2 fibroblasts or other nonmuscle cell types. Functional domains of the MyoD1 protein were analyzed by site-directed deletional mutagenesis of the MyoD1 cDNA. Deletion of a highly basic region (residues 102 to 135) interferes with both nuclear localization and induction of myogenesis. Deletion of a short region (residues 143 to 162) that is similar to a conserved region in the c-Myc family of proteins eliminates the ability of the MyoD1 protein to initiate myogenesis but does not alter nuclear localization. Deletions of regions spanning the remainder of MyoD1 did not affect nuclear localization and did not inhibit myogenesis. Furthermore, expression of only 68 amino acids of MyoD1, containing the basic and the Myc similarity domains, is sufficient to activate myogenesis in stably transfected 10T1/2 cells. Genetic analysis maps the MyoD1 gene to mouse chromosome 7 and human chromosome 11.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Tapscott, S J -- Davis, R L -- Thayer, M J -- Cheng, P F -- Weintraub, H -- Lassar, A B -- New York, N.Y. -- Science. 1988 Oct 21;242(4877):405-11.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Genetics, 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/3175662" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Differentiation ; Cell Division ; Cells, Cultured ; Chromosome Mapping ; DNA/genetics ; Fibroblasts/cytology ; *Genes ; Humans ; Mice ; Muscles/cytology ; *MyoD Protein ; Nuclear Proteins/*genetics/physiology ; *Oncogenes ; Phosphoproteins/*genetics/physiology
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  • 41
    Publication Date: 1988-10-14
    Description: A survey of rat tissues by RNA analysis, aimed at uncovering the physiological function of the parathyroid hormone-like peptide (PTH-LP) associated with hypercalcemia of malignancy, revealed the presence of a 1.5-kilobase messenger RNA encoding this peptide in lactating mammary glands. PTH-LP messenger RNA is expressed in mammary tissue only during lactation; it appears and disappears rapidly (2 to 4 hours) as a function of the sucking stimulus. The identity of this messenger RNA was confirmed by cloning the rat PTH-LP complementary DNA, which predicts a peptide with strong similarity to the human homolog. Moreover, extracts from lactating mammary tissue stimulated parathyroid hormone-dependent adenylate cyclase. These findings suggest that PTH-LP plays a physiological role in lactation, possibly as a hormone for the mobilization or transfer (or both) of calcium to the milk.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Thiede, M A -- Rodan, G A -- New York, N.Y. -- Science. 1988 Oct 14;242(4876):278-80.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Bone Biology and Osteoporosis Research, Merck Sharp & Dohme Research Laboratories, West Point, PA 19486.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3175653" target="_blank"〉PubMed〈/a〉
    Keywords: Adenylyl Cyclases/metabolism ; Amino Acid Sequence ; Animals ; Base Sequence ; Calcium/*metabolism ; Cloning, Molecular ; DNA/genetics ; Female ; *Gene Expression Regulation ; Humans ; Lactation/*metabolism ; Mammary Glands, Animal/*metabolism ; Molecular Sequence Data ; Neoplasm Proteins/*genetics/physiology ; Parathyroid Hormone-Related Protein ; Pregnancy ; RNA, Messenger/genetics/*metabolism ; Rats ; Sequence Homology, Nucleic Acid ; Tissue Distribution
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  • 42
    Publication Date: 1988-07-29
    Description: Interleukin-1 alpha and -1 beta (IL-1 alpha and IL-1 beta) are cytokines that participate in the regulation of immune responses, inflammatory reactions, and hematopoiesis. A direct expression strategy was used to clone the receptor for IL-1 from mouse T cells. The product of the cloned complementary DNA binds both IL-1 alpha and IL-1 beta in a manner indistinguishable from that of the native T cell IL-1 receptor. The extracellular, IL-1 binding portion of the receptor is 319 amino acids in length and is composed of three immunoglobulin-like domains. The cytoplasmic portion of the receptor is 217 amino acids long.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sims, J E -- March, C J -- Cosman, D -- Widmer, M B -- MacDonald, H R -- McMahan, C J -- Grubin, C E -- Wignall, J M -- Jackson, J L -- Call, S M -- New York, N.Y. -- Science. 1988 Jul 29;241(4865):585-9.〈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/2969618" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Base Sequence ; Cloning, Molecular ; DNA/genetics ; Gene Expression Regulation ; Genes, Immunoglobulin ; Interleukin-1/*physiology ; Mice ; Molecular Sequence Data ; *Multigene Family ; Receptors, Immunologic/*genetics ; Receptors, Interleukin-1
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  • 43
    Publication Date: 1988-08-05
    Description: Qa-2, a cell-surface glycoprotein anchored by phosphatidylinositol (PI), is structurally related to the class I transplantation antigens H-2 K, D, and L, which are integral membrane glycoproteins. The predicted transmembrane segment of Qa-2 differs from those of H-2 K, D, and L by the presence of an aspartate in place of a valine at position 295. A single base change that replaced this aspartate with valine resulted in cell-surface Qa-2 molecules that were insensitive to hydrolysis by a PI-specific phospholipase C and more resistant to papain cleavage, properties shared by H-2D. Cells expressing Asp----Val mutant Qa-2 proteins were still able to attach a PI anchor to endogenous proteins such as Thy-1 and J11D. It therefore appears that this single amino acid change converts Qa-2 from a PI-linked form into an integral membrane protein.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Waneck, G L -- Stein, M E -- Flavell, R A -- AI24562/AI/NIAID NIH HHS/ -- New York, N.Y. -- Science. 1988 Aug 5;241(4866):697-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Biogen Research Corporation, Cambridge, MA 02142.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3399901" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; *Antigens, Surface/genetics ; *Aspartic Acid ; Cell Line ; DNA/genetics ; H-2 Antigens ; *Histocompatibility Antigens/genetics ; *Histocompatibility Antigens Class I ; Membrane Proteins/genetics/*metabolism ; Mutation ; Papain/metabolism ; Phosphatidylinositols/*metabolism ; Thymoma ; Thymus Neoplasms ; Transfection ; Tumor Cells, Cultured ; Type C Phospholipases/metabolism ; *Valine
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  • 44
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1988-11-11
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Prochazka, M -- Leiter, E H -- Serreze, D V -- Coleman, D L -- Jackson, R A -- New York, N.Y. -- Science. 1988 Nov 11;242(4880):945.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Jackson Laboratory, Bar Harbor, ME 04609.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3187535" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Crosses, Genetic ; DNA/genetics ; Diabetes Mellitus, Type 1/*genetics ; *Genes, Recessive ; Major Histocompatibility Complex ; Mice ; Recombination, Genetic
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  • 45
    Publication Date: 1988-08-05
    Description: The presence of macrophages is required for the regeneration of many cell types during wound healing. Macrophages have been reported to express a wide range of mitogenic factors and cytokines, but none of these factors has been shown in vivo to sustain all the wound-healing processes. It has been suggested that transforming growth factor-alpha (TGF-alpha) may mediate angiogenesis, epidermal regrowth, and formation of granulation tissue in vivo. Macrophages isolated from a wound site, and not exposed to cell culture conditions, expressed messenger RNA transcripts for TGF-alpha, TGF-beta, platelet-derived growth factor A-chain, and insulin-like growth factor-1. The expression of these transcripts was determined by a novel method for RNA analysis in which low numbers of mouse macrophages were isolated from wound cylinders, their RNA was purified and reverse-transcribed, and the complementary DNA was amplified in a polymerase chain reaction primed with growth factor sequence-specific primers. This single-cell RNA phenotyping procedure is rapid and has the potential for quantification, and mRNA transcripts from a single cell or a few cells can be unambiguously demonstrated, with the simultaneous analysis of several mRNA species. Macrophages from wounds expressed TGF-alpha antigen, and wound fluids contained TGF-alpha. Elicited macrophages in culture also expressed TGF-alpha transcripts and polypeptide in a time-dependent manner after stimulation with modified low-density lipoproteins and lipopolysaccharide endotoxin, which are characteristic of the activators found in injured tissues.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Rappolee, D A -- Mark, D -- Banda, M J -- Werb, Z -- AR 32746/AR/NIAMS NIH HHS/ -- GM 27345/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1988 Aug 5;241(4866):708-12.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratory of Radiobiology and Environmental Health, University of California, San Francisco 94143.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3041594" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Line ; DNA/genetics ; Enzyme-Linked Immunosorbent Assay ; Epidermal Growth Factor/biosynthesis/genetics ; Fibroblast Growth Factors/biosynthesis/genetics ; Fibroblasts/metabolism ; Fluorescent Antibody Technique ; Growth Substances/*biosynthesis/genetics ; Insulin-Like Growth Factor I/biosynthesis/genetics ; Macrophages/*metabolism ; Male ; Mice ; Nucleic Acid Hybridization ; *Peptide Biosynthesis ; Peptides/genetics ; Platelet-Derived Growth Factor/biosynthesis/genetics ; Protein Biosynthesis ; RNA, Messenger/*biosynthesis ; Rabbits ; Transcription, Genetic ; Transforming Growth Factors ; *Wound Healing ; Wounds and Injuries/*pathology
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  • 46
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1988-01-29
    Description: A sequencing method called genomic amplification with transcript sequencing (GAWTS) is described that is based on amplification with the polymerase chain reaction (PCR). GAWTS bypasses cloning and increases the rate of sequence acquisition by at least fivefold. The method involves the attachment of a phage promoter onto at least one of the PCR primers. The segments amplified by PCR are transcribed to further increase the signal and to provide an abundance of single-stranded template for reverse transcriptase-mediated dideoxy sequencing. An end-labeled reverse transcriptase primer complementary to the desired sequence generates the additional specificity required to generate unambiguous sequence data. GAWTS can be performed on as little as a nanogram of genomic DNA. The rate of GAWTS can be increased by coamplification and cotranscription of multiple regions as illustrated by two regions of the factor IX gene. Since GAWTS lends itself well to automation, further increases in the rate of sequence acquisition can be expected.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Stoflet, E S -- Koeberl, D D -- Sarkar, G -- Sommer, S S -- New York, N.Y. -- Science. 1988 Jan 29;239(4839):491-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biochemistry and Molecular Biology, Mayo Clinic/Foundation, Rochester, MN 55905.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3340835" target="_blank"〉PubMed〈/a〉
    Keywords: Base Sequence ; DNA/genetics ; DNA-Directed DNA Polymerase/metabolism ; DNA-Directed RNA Polymerases ; Electrophoresis, Agar Gel ; Exons ; Factor IX/*genetics ; Hemophilia A/genetics ; Humans ; Molecular Sequence Data ; Mutation ; *Nucleic Acid Amplification Techniques ; T-Phages/enzymology ; *Transcription, Genetic
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  • 47
    Publication Date: 1988-02-26
    Description: The T cell antigen receptor is a multi-subunit receptor complex present on the surface of all mature and many developing T cells. It consists of clonotypic heterodimers noncovalently linked to five invariant chains that are encoded by four genes and referred to as the CD3 complex. The CD3 gamma, delta, and epsilon chains have been molecularly characterized. In this report the molecular cloning of a complementary DNA encoding the zeta chain of the murine T cell antigen receptor is described. The predicted protein sequence of the zeta chain suggests a structure distinct from those of any of the previously described receptor subunits.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Weissman, A M -- Baniyash, M -- Hou, D -- Samelson, L E -- Burgess, W H -- Klausner, R D -- New York, N.Y. -- Science. 1988 Feb 26;239(4843):1018-21.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Cell Biology and Metabolism Branch, National Institute of Child Health and Human Development, Bethesda, MD 20892.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3278377" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Base Sequence ; Cell Membrane/metabolism ; Chromatography, High Pressure Liquid ; *Cloning, Molecular ; Cyanogen Bromide ; DNA/genetics ; Electrophoresis, Polyacrylamide Gel ; Immunosorbent Techniques ; Macromolecular Substances ; *Membrane Proteins ; Mice ; Molecular Sequence Data ; Molecular Weight ; Nucleic Acid Hybridization ; Peptide Fragments ; Protein Biosynthesis ; RNA, Messenger/genetics ; Receptors, Antigen, T-Cell/*genetics ; T-Lymphocytes/analysis ; Transcription, Genetic ; Tumor Cells, Cultured
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  • 48
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1988-04-01
    Description: Retinoblastoma, an intraocular tumor that occurs in children, has long been regarded, on the basis of morphological criteria, as a malignancy of the photoreceptor cell lineage. Here it is shown that when this tumor is grown in vitro, the cells express highly specialized photoreceptor cell genes. Transcripts for the transducin alpha subunit, TC alpha, which is specific to the cone cell, as well as transcripts for the red or green cone cell photopigment, were found in seven out of seven low-passage retinoblastoma cell lines. No marker genes specific to rod cell were expressed, suggesting that retinoblastoma has a cone cell lineage.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bogenmann, E -- Lochrie, M A -- Simon, M I -- EY04950/EY/NEI NIH HHS/ -- New York, N.Y. -- Science. 1988 Apr 1;240(4848):76-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Division of Hematology Oncology, Childrens Hospital of Los Angeles, CA 90027.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2451289" target="_blank"〉PubMed〈/a〉
    Keywords: DNA/genetics ; Gene Expression Regulation ; Humans ; Membrane Proteins/*genetics ; Nucleic Acid Hybridization ; Photoreceptor Cells/*metabolism ; RNA/genetics ; Retinoblastoma/*genetics ; Transcription, Genetic ; Transducin ; Tumor Cells, Cultured
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  • 49
    Publication Date: 1988-12-23
    Description: Homozygous inheritance of the Z-type mutant form of the alpha 1-antitrypsin (alpha 1AT) gene results in the most common form of alpha 1AT deficiency, a human hereditary disease associated with a high risk for the development of emphysema and an increased incidence of neonatal hepatitis. The alpha 1AT-synthesizing cells of individuals with the Z gene have normal alpha 1AT messenger RNA levels, but alpha 1AT secretion is markedly reduced secondary to accumulation of newly synthesized alpha 1AT in the rough endoplasmic reticulum. Crystallographic analysis of alpha 1AT predicts that in normal alpha 1AT, a negatively charged Glu342 is adjacent to positively charged Lys290. Thus the Glu342----Lys342 Z mutation caused the loss of a normal salt bridge, resulting in the intracellular aggregation of the Z molecule. The prediction was made that a second mutation in the alpha 1AT genet that changed the positively charged Lys290 to a negatively charged Glu290 would correct the secretion defect. When the second mutation was added to the Z-type complementary DNA, the resulting gene directed the synthesis and secretion of amounts of alpha 1AT similar to that directed by the normal alpha 1AT complementary DNA in an in vitro eukaryotic expression system. This suggests the possibility that a human hereditary disease can be corrected by inserting an additional mutation in the same gene.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Brantly, M -- Courtney, M -- Crystal, R G -- New York, N.Y. -- Science. 1988 Dec 23;242(4886):1700-2.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Pulmonary Branch, National Heart, Lung, and Blood Institute, Bethesda, MD.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2904702" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Line ; Codon ; DNA/genetics ; Electrochemistry ; Endoplasmic Reticulum/metabolism ; Glutamates ; Glutamic Acid ; Humans ; Lysine ; *Mutation ; Protein Conformation ; RNA, Messenger/metabolism ; Structure-Activity Relationship ; Transfection ; alpha 1-Antitrypsin/*genetics/secretion ; alpha 1-Antitrypsin Deficiency
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  • 50
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1988-04-15
    Description: Complementary DNAs (cDNAs) encoding androgen receptors were obtained from human testis and rat ventral prostate cDNA libraries. The amino acid sequence deduced from the nucleotide sequences of the cDNAs indicated the presence of a cysteine-rich DNA-binding domain that is highly conserved in all steroid receptors. The human cDNA was transcribed and the RNA product was translated in cell-free systems to yield a 76-kilodalton protein. The protein was immunoprecipitable by human autoimmune antibodies to the androgen receptor. The protein bound androgens specifically and with high affinity.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Chang, C S -- Kokontis, J -- Liao, S T -- DK-09461/DK/NIDDK NIH HHS/ -- DK-37694/DK/NIDDK NIH HHS/ -- New York, N.Y. -- Science. 1988 Apr 15;240(4850):324-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Ben May Institute, University of Chicago, IL 60637.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3353726" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Binding, Competitive ; *Cloning, Molecular ; DNA/genetics ; *Genes ; Humans ; Male ; Molecular Sequence Data ; Molecular Weight ; Rats ; Receptors, Androgen/*genetics/metabolism ; Sequence Homology, Nucleic Acid ; Species Specificity ; Testis/metabolism
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  • 51
    Publication Date: 1988-09-16
    Description: Hormone-sensitive lipase, a key enzyme in fatty acid mobilization, overall energy homeostasis, and possibly steroidogenesis, is acutely controlled through reversible phosphorylation by catecholamines and insulin. The 757-amino acid sequence predicted from a cloned rat adipocyte complementary DNA showed no homology with any other known lipase or protein. The activity-controlling phosphorylation site was localized to Ser563 in a markedly hydrophilic domain, and a lipid-binding consensus site was tentatively identified. One or several messenger RNA species (3.3, 3.5, or 3.9 kilobases) were expressed in adipose and steroidogenic tissues and heart and skeletal muscle. The human hormone-sensitive lipase gene mapped to chromosome 19 cent-q13.3.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Holm, C -- Kirchgessner, T G -- Svenson, K L -- Fredrikson, G -- Nilsson, S -- Miller, C G -- Shively, J E -- Heinzmann, C -- Sparkes, R S -- Mohandas, T -- New York, N.Y. -- Science. 1988 Sep 16;241(4872):1503-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Medical and Physiological Chemistry, University of Lund, Sweden.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3420405" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Base Sequence ; Chromosome Mapping ; *Chromosomes, Human, Pair 19 ; Cloning, Molecular ; DNA/genetics ; Gene Expression Regulation ; Humans ; Molecular Sequence Data ; Rats ; Sterol Esterase/*genetics
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  • 52
    Publication Date: 1988-02-26
    Description: A 50-nucleotide untranslated region is shown to be present within the coding sequence of Escherichia coli bacteriophage T4 gene 60, which encodes one of the subunits for its type II DNA topoisomerase. This interruption is part of the transcribed messenger RNA and appears not to be removed before translation. Thus, the usual colinearity between messenger RNA and the encoded protein sequence apparently does not exist in this case. The interruption is bracketed by a direct repeat of five base pairs. A mechanism is proposed in which folding of the untranslated region brings together codons separated by the interruption so that the elongating ribosome may skip the 50 nucleotides during translation. The alternative possibility, that the protein is efficiently translated from a very minor and undetectable form of processed messenger RNA, seems unlikely, but has not been completely ruled out.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Huang, W M -- Ao, S Z -- Casjens, S -- Orlandi, R -- Zeikus, R -- Weiss, R -- Winge, D -- Fang, M -- GM 21960/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1988 Feb 26;239(4843):1005-12.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Cellular, Viral and Molecular Biology, 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/2830666" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Base Sequence ; Cloning, Molecular ; Codon ; DNA/genetics ; DNA Topoisomerases, Type I/*genetics ; DNA, Recombinant ; *Genes, Viral ; Molecular Sequence Data ; Nucleic Acid Conformation ; Plasmids ; Protein Biosynthesis ; RNA Splicing ; RNA, Messenger/genetics ; RNA, Viral/genetics ; T-Phages/enzymology/*genetics ; Transcription, Genetic
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  • 53
    Publication Date: 1988-07-29
    Description: Neurons that release serotonin as a neurotransmitter project to most regions of the central and peripheral nervous system and mediate diverse neural functions. The physiological effects of serotonin are initiated by the activation of multiple, distinct receptor subtypes. Cloning in RNA expression vectors was combined with a sensitive electrophysiological assay in Xenopus oocytes in order to isolate a functional cDNA clone encoding the 5HTlc serotonin receptor. Injection of RNA transcribed in vitro from this clone into Xenopus oocytes elicits serotonin sensitivity. Mouse fibroblasts transformed with this clone bind serotonin agonists and antagonists and exhibit an increase in intracellular Ca2+ concentrations in response to serotonin. The sequence of the 5HTlc receptor reveals that it belongs to the family of G protein-coupled receptors, which are thought to traverse the cytoplasmic membrane seven times. Moreover, in situ hybridization and RNA blot analysis indicate that the 5HTlc receptor is expressed in neurons in many regions of the central nervous system and suggest that this subclass of receptor may mediate many of the central actions of serotonin.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Julius, D -- MacDermott, A B -- Axel, R -- Jessell, T M -- New York, N.Y. -- Science. 1988 Jul 29;241(4865):558-64.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biochemistry and Molecular Biophysics, College of Physicians and Surgeons, Columbia University, New York, NY 10032.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3399891" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Base Sequence ; Cloning, Molecular ; DNA/genetics ; Fibroblasts/physiology ; Gene Expression Regulation ; Membrane Glycoproteins/genetics ; Molecular Sequence Data ; Oocytes/physiology ; Phosphoproteins/physiology ; Rats ; Receptors, Serotonin/*genetics ; Serotonin/*physiology ; Xenopus laevis
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  • 54
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1988-01-15
    Description: Tau protein is a family of microtubule binding proteins, heterogeneous in molecular weight, that are induced during neurite outgrowth and are found prominently in neurofibrillary tangles in Alzheimer's disease. The predicted amino acid sequences of two forms of tau protein from mouse brain were determined from complementary DNA clones. These forms are identical in their amino-terminal sequences but differ in their carboxyl-terminal domains. Both proteins contain repeated sequences that may be tubulin binding sites. The sequence suggests that tau is an elongated molecule with no extensive alpha-helical or beta-sheet domains. These complementary DNAs should enable the study of various functional domains of tau and the study of tau expression in normal and pathological states.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lee, G -- Cowan, N -- Kirschner, M -- GM32099/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1988 Jan 15;239(4837):285-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Neurology, Harvard Medical School, Boston, MA 02115.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3122323" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Base Sequence ; *Brain Chemistry ; Codon ; DNA/genetics ; DNA, Recombinant ; Mice ; Microtubule-Associated Proteins/*genetics ; Molecular Sequence Data ; Molecular Weight ; Nerve Tissue Proteins/genetics ; Protein Conformation ; RNA, Messenger/genetics ; Repetitive Sequences, Nucleic Acid ; tau Proteins
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  • 55
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1988-07-01
    Description: Arsenic is a well-established carcinogen in humans, but there is little evidence for its carcinogenicity in animals and it is inactive as an initiator or tumor promoter in two-stage models of carcinogenicity in mice. Two arsenic salts (sodium arsenite and sodium arsenate) induced a high frequency of methotrexate-resistant 3T6 cells, which were shown to have amplified copies of the dihydrofolate reductase gene. The ability of arsenic to induce gene amplification may relate to its carcinogenic effects in humans since amplification of oncogenes is observed in many human tumors. The inability of arsenic to induce gene mutations may relate to the negative results of arsenic in long-term animal studies and suggests that these experiments may not detect some environmental agents that act late in the carcinogenic process in humans.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lee, T C -- Tanaka, N -- Lamb, P W -- Gilmer, T M -- Barrett, J C -- New York, N.Y. -- Science. 1988 Jul 1;241(4861):79-81.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratory of Molecular Carcinogenesis, National Institute of Environmental Health Sciences, Research Triangle Park, North Carolina 27709.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3388020" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Arsenates/*pharmacology ; Arsenic/*pharmacology ; *Arsenites ; Cell Line ; DNA/genetics ; Drug Resistance ; Gene Amplification/*drug effects ; Humans ; Methotrexate ; Mice ; Neoplasms, Experimental/chemically induced/genetics ; Nucleic Acid Hybridization ; Oncogenes ; *Sodium Compounds ; Tetrahydrofolate Dehydrogenase/*genetics
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  • 56
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1988-11-04
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lewin, R -- New York, N.Y. -- Science. 1988 Nov 4;242(4879):671.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3187518" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Biological Evolution ; DNA/genetics ; Genes ; Globins/genetics ; Hominidae/*classification/genetics ; Humans
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  • 57
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1988-02-05
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lewin, R -- New York, N.Y. -- Science. 1988 Feb 5;239(4840):561-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3340843" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biological Evolution ; DNA/genetics ; Humans ; *Models, Genetic ; Time Factors
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  • 58
    Publication Date: 1988-11-11
    Description: The microtubule-associated protein MAP2 is a prominent large-sized component of purified brain microtubules that, like the 36- to 38-kilodalton tau proteins, bears antigenic determinants found in association with the neurofibrillary tangles of Alzheimer's disease. The complete sequence of mouse brain MAP2 was determined from a series of overlapping cloned complementary DNAs. The sequence of the carboxyl-terminal 185 amino acids is very similar (67 percent) to a corresponding region of tau protein, and includes a series of three imperfect repeats, each 18 amino acids long and separated by 13 or 14 amino acids. A subcloned fragment spanning the first two of the 18-amino acid repeats was expressed as a polypeptide by translation in vitro. This polypeptide copurified with microtubules through two successive cycles of polymerization and depolymerization, whereas a control polypeptide derived from the amino-terminal region of MAP2 completely failed to copurify. These data imply that the carboxyl-terminal domain containing the 18-amino acid repeats constitutes the microtubule binding site in MAP2. The occurrence of these repeats in tau protein suggests that these may be a general feature of microtubule binding proteins.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lewis, S A -- Wang, D H -- Cowan, N J -- New York, N.Y. -- Science. 1988 Nov 11;242(4880):936-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biochemistry, New York University Medical Center, NY 10016.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3142041" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Binding Sites ; DNA/genetics ; Mice ; Microtubule-Associated Proteins/genetics/*metabolism ; Microtubules/*metabolism ; Molecular Sequence Data ; Molecular Weight ; Nerve Tissue Proteins ; Protein Biosynthesis ; Repetitive Sequences, Nucleic Acid ; Sequence Homology, Nucleic Acid ; Tubulin/metabolism ; tau Proteins
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  • 59
    Publication Date: 1988-03-04
    Description: Amino acid sequences deduced from rat complementary DNA clones encoding the insulin-like growth factor II (IGF-II) receptor closely resemble those of the bovine cation-independent mannose-6-phosphate receptor (Man-6-P receptorCI), suggesting they are identical structures. It is also shown that IGF-II receptors are adsorbed by immobilized pentamannosyl-6-phosphate and are specifically eluted with Man-6-P. Furthermore, Man-6-P specifically increases by about two times the apparent affinity of the purified rat placental receptor for 125I-labeled IGF-II. These results indicate that the type II IGF receptor contains cooperative, high-affinity binding sites for both IGF-II and Man-6-P-containing proteins.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉MacDonald, R G -- Pfeffer, S R -- Coussens, L -- Tepper, M A -- Brocklebank, C M -- Mole, J E -- Anderson, J K -- Chen, E -- Czech, M P -- Ullrich, A -- CA 39240/CA/NCI NIH HHS/ -- DK 30648/DK/NIDDK NIH HHS/ -- DK 34063/DK/NIDDK NIH HHS/ -- etc. -- New York, N.Y. -- Science. 1988 Mar 4;239(4844):1134-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biochemistry, University of Massachusetts Medical Center, Worcester 01655.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2964083" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Base Sequence ; Carrier Proteins/genetics/*metabolism ; Cell Membrane/analysis/metabolism ; Chromatography, Affinity ; DNA/genetics ; Female ; Hexosephosphates/*metabolism ; Insulin-Like Growth Factor II/*metabolism ; Mannosephosphates/*metabolism ; Molecular Sequence Data ; Placenta/analysis ; Pregnancy ; Rats ; Receptor, IGF Type 2 ; Receptor, Insulin/genetics/*metabolism ; Receptors, Somatomedin ; Sequence Homology, Nucleic Acid ; Somatomedins/*metabolism
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  • 60
    Publication Date: 1988-05-13
    Description: The biosynthetic rates for both the transferrin receptor (TfR) and ferritin are regulated by iron. An iron-responsive element (IRE) in the 5' untranslated portion of the ferritin messenger RNA (mRNA) mediates iron-dependent control of its translation. In this report the 3' untranslated region of the mRNA for the human TfR was shown to be necessary and sufficient for iron-dependent control of mRNA levels. Deletion studies identified a 678-nucleotide fragment of the TfR complementary DNA that is critical for this iron regulation. Five potential stem-loops that resemble the ferritin IRE are contained within the region critical for TfR regulation. Each of two of the five TfR elements was independently inserted into the 5' untranslated region of an indicator gene transcript. In this location they conferred iron regulation of translation. Thus, an mRNA element has been implicated in the mediation of distinct regulatory phenomena dependent on the context of the element within the transcript.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Casey, J L -- Hentze, M W -- Koeller, D M -- Caughman, S W -- Rouault, T A -- Klausner, R D -- Harford, J B -- New York, N.Y. -- Science. 1988 May 13;240(4854):924-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Cell Biology and Metabolism Branch, National Institute of Child Health and Human Development, Bethesda, MD 20892.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2452485" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Base Sequence ; DNA/genetics ; DNA, Recombinant ; Ferritins/biosynthesis/*genetics ; Growth Hormone/genetics ; Humans ; Iron/*pharmacology ; Mice ; Plasmids ; Protein Biosynthesis/*drug effects ; RNA/*genetics ; RNA, Messenger/*genetics ; Receptors, Transferrin/biosynthesis/*genetics ; *Regulatory Sequences, Nucleic Acid ; Transcription, Genetic ; Transfection ; Transformation, Genetic
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  • 61
    Publication Date: 1988-03-18
    Description: Complementary DNA clones were isolated that represent the 5' terminal 2.5 kilobases of the murine Duchenne muscular dystrophy (Dmd) messenger RNA (mRNA). Mouse Dmd mRNA was detectable in skeletal and cardiac muscle and at a level approximately 90 percent lower in brain. Dmd mRNA is also present, but at much lower than normal levels, in both the muscle and brain of three different strains of dystrophic mdx mice. The identification of Dmd mRNA in brain raises the possibility of a relation between human Duchenne muscular dystrophy (DMD) gene expression and the mental retardation found in some DMD males. These results also provide evidence that the mdx mutations are allelic variants of mouse Dmd gene mutations.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Chamberlain, J S -- Pearlman, J A -- Muzny, D M -- Gibbs, R A -- Ranier, J E -- Caskey, C T -- Reeves, A A -- New York, N.Y. -- Science. 1988 Mar 18;239(4846):1416-8.〈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/3347839" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Brain/*metabolism ; DNA/genetics ; DNA, Recombinant ; *Gene Expression Regulation ; Intellectual Disability/genetics ; Mice ; Mice, Inbred ICR ; Mice, Mutant Strains ; Muscles/*metabolism ; Muscular Dystrophy, Animal/*genetics ; Mutation ; Nucleic Acid Hybridization ; RNA, Messenger/metabolism ; Ribonuclease, Pancreatic/metabolism
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  • 62
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    Unknown
    American Association for the Advancement of Science (AAAS)
    Publication Date: 1988-12-09
    Description: Two genome rearrangements involving 11- and 55-kilobase DNA elements occur during the terminal differentiation of an Anabaena photosynthetic vegetative cell into a nitrogen-fixing heterocyst. The xisA gene, located on the nifD 11-kilobase DNA element, was inactivated by recombination between the chromosome and a copy of the xisA gene that was mutated by inserting an antibiotic gene cassette. Site-directed inactivation of the Anabaena xisA gene blocked rearrangement of the 11-kilobase element and nitrogen fixation, but did not affect rearrangement of the 55-kilobase element, heterocyst differentiation, or heterocyst pattern formation.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Golden, J W -- Wiest, D R -- GM36890/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1988 Dec 9;242(4884):1421-3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biology, Texas A&M University, College Station 77843.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3144039" target="_blank"〉PubMed〈/a〉
    Keywords: Cyanobacteria/*genetics/growth & development ; DNA/genetics ; *Gene Rearrangement ; *Genes ; *Genes, Bacterial ; Immunoblotting ; Nitrogen Fixation/*genetics ; Phenotype ; Restriction Mapping
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  • 63
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    Unknown
    American Association for the Advancement of Science (AAAS)
    Publication Date: 1988-04-01
    Description: Individuals infected with the human immunodeficiency virus type 1 (HIV-1) may be asymptomatic or have AIDS-related complex or the acquired immuno deficiency syndrome (AIDS). Little is known about the factors that influence progression of infection to AIDS. In this study of isolates of HIV-1 obtained at intervals during the infection of four individuals, the development of disease was found to be correlated with the emergence of HIV-1 variants that were more cytopathic in vitro as the disease progressed and that replicated more efficiently in a wide variety of different human cells. The biologic properties of HIV-1 in vitro thus appear to reflect its virulence in the host. Further studies of such sequentially isolated viruses may lead to the identification of viral genes that govern pathogenesis.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cheng-Mayer, C -- Seto, D -- Tateno, M -- Levy, J A -- P01 AI-24286/AI/NIAID NIH HHS/ -- R01 AI-24499/AI/NIAID NIH HHS/ -- R01 AI-25284/AI/NIAID NIH HHS/ -- New York, N.Y. -- Science. 1988 Apr 1;240(4848):80-2.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Medicine, University of California, School of Medicine, San Francisco 94143.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2832945" target="_blank"〉PubMed〈/a〉
    Keywords: AIDS-Related Complex/etiology/microbiology ; Acquired Immunodeficiency Syndrome/etiology/microbiology ; Cytopathogenic Effect, Viral ; DNA/genetics ; Genetic Variation ; HIV/genetics/*pathogenicity/physiology ; HIV Envelope Protein gp120 ; Humans ; Neutralization Tests ; Retroviridae Proteins/genetics
    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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  • 64
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    Unknown
    American Association for the Advancement of Science (AAAS)
    Publication Date: 1988-03-04
    Description: A versatile genetic method for identifying and cloning Drosophila melanogaster genes affecting any recognizable phenotype is described. Strains are constructed in which the insertion of a single P transposable element has caused a new mutation, greatly simplifying the genetic and molecular analysis of the affected gene. Mutagenesis is initiated by crossing two strains, each of which contains a specially designed P element. One element (jumpstarter), encoding P element transposase, efficiently mobilizes the second nonautonomous transposon (mutator), whose structure facilitates selection and cloning of new insertion mutations. Random mutator transpositions are captured in individual stocks that no longer contain jumpstarter, where they remain stable. This method was used to construct 1300 single P element insertion stocks which were then screened for recessive mutations. A library of single-element insertion strains will allow the structure and function of Drosophila genes to be readily correlated, and should have many other applications in Drosophila molecular genetics.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cooley, L -- Kelley, R -- Spradling, A -- New York, N.Y. -- Science. 1988 Mar 4;239(4844):1121-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Embryology, Carnegie Institution of Washington, Baltimore, MD 21210.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2830671" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Chromosomes ; Cloning, Molecular ; DNA/genetics ; *DNA Transposable Elements ; DNA, Recombinant ; Drosophila melanogaster/*genetics ; *Mutation ; Transformation, Genetic
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  • 65
    Publication Date: 1988-07-01
    Description: In seven strains of cultured normal human osteoblast-like cells, a mean of 1615 molecules of tritium-labeled 17 beta-estradiol per cell nucleus could be bound to specific nuclear sites. The nuclear binding of the labeled steroid was temperature-dependent, steroid-specific, saturable, and cell type-specific. These are characteristics of biologically active estrogen receptors. Pretreatment with 10 nanomolar estradiol in vitro increased the specific nuclear binding of progesterone in four of six cell strains, indicating an induction of functional progesterone receptors. RNA blot analysis demonstrated the presence of messenger RNA for the human estrogen receptor. The data suggest that estrogen acts directly on human bone cells through a classical estrogen receptor-mediated mechanism.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Eriksen, E F -- Colvard, D S -- Berg, N J -- Graham, M L -- Mann, K G -- Spelsberg, T C -- Riggs, B L -- AG-04875/AG/NIA NIH HHS/ -- CA-90441/CA/NCI NIH HHS/ -- HD-9140/HD/NICHD NIH HHS/ -- New York, N.Y. -- Science. 1988 Jul 1;241(4861):84-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Endocrine Research Unit, Mayo Clinic, Rochester, MN 55905.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3388021" target="_blank"〉PubMed〈/a〉
    Keywords: Binding, Competitive ; Cell Nucleus/metabolism ; Cells, Cultured ; DNA/genetics ; Dexamethasone/metabolism ; Diethylstilbestrol/metabolism ; Estradiol/metabolism/pharmacology ; Humans ; Nucleic Acid Hybridization ; Osteoblasts/drug effects/*metabolism ; Progesterone/metabolism ; Promegestone/metabolism ; RNA, Messenger/metabolism ; Receptors, Estrogen/drug effects/genetics/*metabolism ; Receptors, Progesterone/drug effects/metabolism ; Tritium
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  • 66
    Publication Date: 1988-03-11
    Description: A complementary DNA encoding the human low density lipoprotein (LDL) receptor under control of the mouse metallothionein-I promoter was injected into fertilized mouse eggs, and a strain of mice expressing high levels of LDL receptors was established. After administration of cadmium, these mice cleared intravenously injected 125I-labeled LDL from blood eight to ten times more rapidly than did normal mice. The plasma concentrations of apoproteins B-100 and E, the two ligands for the LDL receptor, declined by more than 90 percent after cadmium treatment, but the concentration of another apoprotein, A-I, was unaffected. Therefore, overexpression of an endocytotic receptor can dramatically lower the ambient concentration of its ligand in vivo.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hofmann, S L -- Russell, D W -- Brown, M S -- Goldstein, J L -- Hammer, R E -- HL 01287/HL/NHLBI NIH HHS/ -- HL 20948/HL/NHLBI NIH HHS/ -- New York, N.Y. -- Science. 1988 Mar 11;239(4845):1277-81.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Molecular Genetics, University of Texas Southwestern Medical Center, Dallas 75235.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3344433" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cloning, Molecular ; DNA/genetics ; Female ; *Genes ; Humans ; Kinetics ; Lipoproteins, LDL/*blood ; Mice ; Mice, Transgenic ; Plasmids ; Receptors, LDL/*genetics/metabolism ; Reference Values ; Transcription, Genetic
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  • 67
    Publication Date: 1988-07-01
    Description: High specific activity estradiol labeled with iodine-125 was used to detect approximately 200 saturable, high-affinity (dissociation constant approximately equal to 1.0 nM) nuclear binding sites in rat (ROS 17/2.8) and human (HOS TE85) clonal osteoblast-like osteosarcoma cells. Of the steroids tested, only testosterone exhibited significant cross-reactivity with estrogen binding. RNA blot analysis with a complementary DNA probe to the human estrogen receptor revealed putative receptor transcripts of 6 to 6.2 kilobases in both rat and human osteosarcoma cells. Type I procollagen and transforming growth factor-beta messenger RNA levels were enhanced in cultured human osteoblast-like cells treated with 1 nM estradiol. Thus, estrogen can act directly on osteoblasts by a receptor-mediated mechanism and thereby modulate the extracellular matrix and other proteins involved in the maintenance of skeletal mineralization and remodeling.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Komm, B S -- Terpening, C M -- Benz, D J -- Graeme, K A -- Gallegos, A -- Korc, M -- Greene, G L -- O'Malley, B W -- Haussler, M R -- New York, N.Y. -- Science. 1988 Jul 1;241(4861):81-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biochemistry, University of Arizona College of Medicine, Tucson 85724.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3164526" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Binding, Competitive ; Cell Nucleus/metabolism ; DNA/genetics ; Estradiol/*metabolism/pharmacology ; Humans ; Iodine Radioisotopes ; Nucleic Acid Hybridization ; Osteoblasts/drug effects/*metabolism ; Osteosarcoma/*metabolism ; Peptides/genetics ; Procollagen/genetics ; RNA, Messenger/*metabolism ; Rats ; Receptors, Estrogen/genetics/*metabolism ; Transcription, Genetic ; Transforming Growth Factors ; Tumor Cells, Cultured
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  • 68
    Publication Date: 1988-12-09
    Description: A proteinase with high affinity for insulin has been proposed to play a role in the cellular processing of this hormone. A complementary DNA (cDNA) coding for this enzyme has been isolated and sequenced. The deduced amino acid sequence of the enzyme contained the sequences of 13 peptides derived from the isolated protein. The cDNA could be transcribed in vitro to yield a synthetic RNA that in cell-free translations produced a protein that coelectrophoresed with the native proteinase and could be immunoprecipitated with monoclonal antibodies to this enzyme. The deduced sequence of this proteinase did not contain the consensus sequences for any of the known classes of proteinases (that is, metallo, cysteine, aspartic, or serine), but it did show homology to an Escherichia coli proteinase (called protease III), which also cleaves insulin and is present in the periplasmic space. Thus, these two proteins may be members of a family of proteases that are involved in intercellular peptide signaling.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Affholter, J A -- Fried, V A -- Roth, R A -- CA21765/CA/NCI NIH HHS/ -- DK01393/DK/NIDDK NIH HHS/ -- DK34926/DK/NIDDK NIH HHS/ -- New York, N.Y. -- Science. 1988 Dec 9;242(4884):1415-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Pharmacology, Stanford University School of Medicine, CA 94305.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3059494" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Base Sequence ; Cloning, Molecular ; DNA/genetics ; Endopeptidases/*genetics ; Escherichia coli/enzymology/*genetics ; Genes ; Humans ; Insulysin/*genetics ; *Metalloendopeptidases ; Molecular Sequence Data ; Peptide Hydrolases/*genetics ; Sequence Homology, Nucleic Acid
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  • 69
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    Unknown
    American Association for the Advancement of Science (AAAS)
    Publication Date: 1988-10-14
    Description: Messenger RNAs isolated from adult or newborn rat spinal cord were fractionated in a sucrose gradient. The fractions were injected into Xenopus oocytes to determine their potencies for expression of glycine receptors (GlyRs), which were then examined electrophysiologically. The sedimentation profiles disclosed two classes of GlyR mRNAs, one heavy and the other light. The adult spinal cord was rich in heavy GlyR mRNA, whereas the light GlyR mRNA was more abundant in neonatal spinal cord and in adult cerebral cortex. Glycine receptors encoded by heavy and light mRNAs of adult spinal cord showed some electrophysiological differences. Thus there are two types of GlyRs encoded by mRNAs of different sizes, and the expression of these mRNAs is developmentally regulated. A tissue- and age-dependent distribution of heterogeneous GlyR mRNAs may imply diverse roles of the GlyRs in neuronal function in the central nervous system.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Akagi, H -- Miledi, R -- R01-NS23284/NS/NINDS NIH HHS/ -- New York, N.Y. -- Science. 1988 Oct 14;242(4876):270-3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Psychobiology, University of California, Irvine 92717.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2845580" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Animals, Newborn ; Cell Membrane/physiology ; Centrifugation, Density Gradient ; Cerebral Cortex/*analysis ; DNA/genetics ; Electric Conductivity ; Glycine/pharmacology ; Nucleic Acid Hybridization ; Oocytes/drug effects/physiology ; RNA, Messenger/*genetics/isolation & purification ; Rats ; Receptors, Glycine ; Receptors, Neurotransmitter/*genetics/physiology ; Spinal Cord/*analysis ; Transcription, Genetic ; Xenopus laevis
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  • 70
    Publication Date: 1988-01-29
    Description: CD14 is a myelomonocytic differentiation antigen expressed by monocytes, macrophages, and activated granulocytes and is detectable with the monoclonal antibodies MO2, MY4, and LeuM3. Analyses of complementary DNA and genomic clones of CD14 show that it has a novel structure and that it maps to chromosome 5 within a region containing other genes encoding growth factors and receptors; it may therefore represent a new receptor important for myeloid differentiation. In addition, the CD14 gene is included in the "critical" region that is frequently deleted in certain myeloid leukemias.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Goyert, S M -- Ferrero, E -- Rettig, W J -- Yenamandra, A K -- Obata, F -- Le Beau, M M -- R01-AI23859/AI/NIAID NIH HHS/ -- New York, N.Y. -- Science. 1988 Jan 29;239(4839):497-500.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Rheumatic Diseases, Hospital for Joint Diseases Orthopaedic Institute, New York, NY 10003.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2448876" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antibodies, Monoclonal ; Antigens, CD14 ; Antigens, Differentiation/*genetics/immunology ; Cell Differentiation ; Chromosome Mapping ; Chromosomes, Human, Pair 5 ; DNA/genetics ; Electrophoresis, Polyacrylamide Gel ; Granulocytes/immunology ; Growth Substances/*genetics ; Humans ; Immunosorbent Techniques ; Leukemia/genetics ; Macrophages/immunology ; Mice ; Monocytes/*immunology ; Myelodysplastic Syndromes/genetics ; Nucleic Acid Hybridization ; RNA, Messenger/genetics ; Receptors, Cell Surface/*genetics
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  • 71
    Publication Date: 1988-05-06
    Description: Insulin receptor complementary DNA has been cloned from an insulin-resistant patient with leprechaunism whose receptors exhibited multiple abnormalities in insulin binding. The patient is a compound heterozygote, having inherited two different mutant alleles of the insulin receptor gene. One allele contains a missense mutation encoding the substitution of glutamic acid for lysine at position 460 in the alpha subunit of the receptor. The second allele has a nonsense mutation causing premature chain termination after amino acid 671 in the alpha subunit, thereby deleting both the transmembrane and tyrosine kinase domains of the receptor. Interestingly, the father is heterozygous for this nonsense mutation and exhibits a moderate degree of insulin resistance. This raises the possibility that mutations in the insulin receptor gene may account for the insulin resistance in some patients with non-insulin-dependent diabetes mellitus.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kadowaki, T -- Bevins, C L -- Cama, A -- Ojamaa, K -- Marcus-Samuels, B -- Kadowaki, H -- Beitz, L -- McKeon, C -- Taylor, S I -- New York, N.Y. -- Science. 1988 May 6;240(4853):787-90.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Biochemistry and Molecular Pathophysiology Section, National Institute of Diabetes, Digestive, and Kidney Disease, Bethesda, MD 20892.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2834824" target="_blank"〉PubMed〈/a〉
    Keywords: Alleles ; Base Sequence ; Cell Line ; Cell Membrane/metabolism ; Cell Transformation, Viral ; DNA/genetics ; Diabetes Mellitus, Type 2/*genetics ; Endocrine System Diseases/genetics ; Female ; Gene Amplification ; Growth Disorders/genetics ; Herpesvirus 4, Human ; Heterozygote ; Humans ; Hydrogen-Ion Concentration ; Insulin/blood ; Insulin Resistance/*genetics ; Lymphocytes/metabolism ; Monocytes/metabolism ; Mutation ; Receptor, Insulin/*genetics ; Syndrome ; Transfection
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  • 72
    Publication Date: 1988-07-29
    Description: Myelin basic proteins (MBPs) are coded by the single gene necessary for myelin formation in the central nervous system of the mouse. An antisense MBP mini-gene was constructed and used to determine the function of antisense DNA in transgenic mice. Several transgenic offspring of a founder transgenic mouse, AS100, were converted from the normal to mutant shiverer phenotype. Antisense MBP messenger RNA was expressed in these mice, and the endogenous MBP messenger RNA, the MBP, and the myelination in the central nervous system were reduced.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Katsuki, M -- Sato, M -- Kimura, M -- Yokoyama, M -- Kobayashi, K -- Nomura, T -- New York, N.Y. -- Science. 1988 Jul 29;241(4865):593-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of DNA Biology, School of Medicine, Tokai University, Isehara, Japan.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2456614" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Base Sequence ; Brain/physiology ; DNA/genetics ; Gene Expression Regulation ; Mice ; Mice, Neurologic Mutants/*physiology ; Mice, Transgenic ; Molecular Sequence Data ; Myelin Basic Protein/genetics/*physiology ; Myelin Sheath/physiology ; Phenotype ; RNA/*genetics ; RNA, Antisense
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  • 73
    Publication Date: 1988-11-18
    Description: A complementary DNA clone corresponding to a 4.2-kilobase transcript that is present in the Xenopus oocyte and newly transcribed in the neurula stages of development has been isolated. This messenger RNA encodes a 155-amino acid protein that is 84% identical to the human basic fibroblast growth factor (bFGF). When expressed in Escherichia coli and purified, the Xenopus FGF induced mesoderm in animal cell blastomeres as measured by muscle actin expression. Immunoblots with an antibody to a Xenopus FGF peptide show that the oocyte and early embryo contain a store of the FGF polypeptide at high enough concentrations to induce mesoderm. The presence of FGF in the oocyte, together with the apparent lack of a secretory signal sequence in the protein, suggest that the regulation of mesoderm induction may involve novel mechanisms that occur after the translation of FGF.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kimelman, D -- Abraham, J A -- Haaparanta, T -- Palisi, T M -- Kirschner, M W -- New York, N.Y. -- Science. 1988 Nov 18;242(4881):1053-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biochemistry and Biophysics, University of California, San Francisco 94143.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3194757" target="_blank"〉PubMed〈/a〉
    Keywords: Actins/genetics ; Amino Acid Sequence ; Animals ; Blotting, Northern ; Blotting, Western ; Cloning, Molecular ; DNA/genetics ; DNA Probes ; Fibroblast Growth Factors/*physiology ; Gene Expression Regulation ; Mesoderm/*cytology ; Molecular Sequence Data ; Oocytes/physiology ; Xenopus laevis/*embryology
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  • 74
    Publication Date: 1987-02-27
    Description: Deletions of the long arm of chromosome 6 (6q-) are frequently found in hematopoietic neoplasms, including acute lymphoblastic leukemias, non-Hodgkin lymphomas and (less frequently) myeloid leukemias. The c-myb proto-oncogene has been mapped to region 6q21-24, which suggests that it could be involved in the 6q- aberrations. By means of in situ chromosomal hybridization on cells from six hematopoietic malignancies, it was demonstrated that the c-myb locus is not deleted, but is retained on band q22, which is consistently bordered by the chromosomal breakpoints in both interstitial and terminal 6q- deletions. The deletion breakpoints were located at some distance from the myb locus since no rearrangement of c-myb sequences was found. In one case, however, amplification of the entire c-myb locus was detectable. Furthermore, in all cases tested that carry 6q- deletions, myb messenger RNA levels were significantly higher than in normal cells or in malignant cells matched for lineage and stage of differentiation but lacking the 6q- marker. These results indicate that 6q- deletions are accompanied by structural and functional alterations of the c-myb locus and that these alterations may be involved in the pathogenesis of leukemias and lymphomas.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Barletta, C -- Pelicci, P G -- Kenyon, L C -- Smith, S D -- Dalla-Favera, R -- CA16239/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1987 Feb 27;235(4792):1064-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3469751" target="_blank"〉PubMed〈/a〉
    Keywords: *Chromosome Deletion ; *Chromosomes, Human, Pair 6 ; DNA/genetics ; Gene Amplification ; Humans ; Leukemia/*genetics ; Leukemia, Lymphoid/genetics ; Leukemia, Myeloid/genetics ; Lymphoma, Non-Hodgkin/*genetics ; Nucleic Acid Hybridization ; RNA, Messenger/genetics
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  • 75
    Publication Date: 1987-07-10
    Description: A wide variety of human tumors contain an amplified or overexpressed erbB-2 gene, which encodes a growth factor receptor-like protein. When erbB-2 complementary DNA was expressed in NIH/3T3 cells under the control of the SV40 promoter, the gene lacked transforming activity despite expression of detectable levels of the erbB-2 protein. A further five- to tenfold increase in its expression under influence of the long terminal repeat of Moloney murine leukemia virus was associated with activation of erbB-2 as a potent oncogene. The high levels of the erbB-2 product associated with malignant transformation of NIH/3T3 cells were observed in human mammary tumor cells that overexpressed this gene. These findings demonstrate a new mechanism for acquisition of oncogenic properties by genes encoding growth factor receptor-like proteins and provide a functional basis for the role of their overexpression in the development of human malignancies.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Di Fiore, P P -- Pierce, J H -- Kraus, M H -- Segatto, O -- King, C R -- Aaronson, S A -- New York, N.Y. -- Science. 1987 Jul 10;237(4811):178-82.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2885917" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Breast Neoplasms/genetics ; Cell Line ; *Cell Transformation, Neoplastic/genetics ; DNA/genetics ; Fibroblasts/*metabolism ; Gene Expression Regulation ; Genes, Viral ; Humans ; Mice ; Moloney murine leukemia virus/genetics ; Promoter Regions, Genetic ; Proto-Oncogene Proteins/biosynthesis/genetics/*physiology ; Rats ; Receptor, Epidermal Growth Factor ; Receptor, ErbB-2 ; Receptors, Cell Surface/genetics ; Recombinant Fusion Proteins/biosynthesis/genetics/physiology ; Simian virus 40/genetics ; Tumor Stem Cell Assay
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  • 76
    Publication Date: 1987-02-20
    Description: Four clones were isolated from an adult human brain complementary DNA library with an oligonucleotide probe corresponding to the first 20 amino acids of the beta peptide of brain amyloid from Alzheimer's disease. The open reading frame of the sequenced clone coded for 97 amino acids, including the known amino acid sequence of this polypeptide. The 3.5-kilobase messenger RNA was detected in mammalian brains and human thymus. The gene is highly conserved in evolution and has been mapped to human chromosome 21.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Goldgaber, D -- Lerman, M I -- McBride, O W -- Saffiotti, U -- Gajdusek, D C -- New York, N.Y. -- Science. 1987 Feb 20;235(4791):877-80.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3810169" target="_blank"〉PubMed〈/a〉
    Keywords: Alzheimer Disease/*genetics ; Amino Acid Sequence ; Amyloid/*genetics ; *Chromosomes, Human, Pair 21 ; Cloning, Molecular ; DNA/genetics ; Humans ; Protein Conformation ; RNA, Messenger/genetics ; Solubility ; Transcription, Genetic
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  • 77
    Publication Date: 1987-07-17
    Description: The calcium-calmodulin-dependent protein kinase II is a major component of brain synaptic junctions and has been proposed to play a variety of important roles in brain function. A complementary DNA representing a portion of the smaller 50-kilodalton subunit of the rat brain enzyme has been cloned and sequenced. The calmodulin-binding region has been identified and a synthetic analog prepared that binds calmodulin with high affinity in the presence of calcium. Like the 50-kilodalton kinase polypeptide, the concentration of the messenger RNA varies both neuroanatomically and during postnatal development of the brain. The broad tissue and species cross-reactivity of the complementary DNA suggests that the 50-kilodalton subunit found in rat brain is evolutionarily conserved and is the product of a single gene.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hanley, R M -- Means, A R -- Ono, T -- Kemp, B E -- Burgin, K E -- Waxham, N -- Kelly, P T -- New York, N.Y. -- Science. 1987 Jul 17;237(4812):293-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3037704" target="_blank"〉PubMed〈/a〉
    Keywords: Age Factors ; Amino Acid Sequence ; Animals ; Base Sequence ; Biological Assay ; Brain/enzymology/growth & development ; Calcium-Calmodulin-Dependent Protein Kinases ; Cloning, Molecular ; DNA/genetics ; Protein Kinases/*genetics ; RNA, Messenger/genetics ; Rats ; Species Specificity
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  • 78
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    Unknown
    American Association for the Advancement of Science (AAAS)
    Publication Date: 1987-03-13
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kolata, G -- New York, N.Y. -- Science. 1987 Mar 13;235(4794):1323.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3823884" target="_blank"〉PubMed〈/a〉
    Keywords: Base Sequence ; DNA/genetics ; Eye Neoplasms/*genetics ; *Genes ; Humans ; Retinoblastoma/*genetics
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  • 79
    Publication Date: 1987-08-21
    Description: The molecular basis for the marked difference between primate and rodent cells in sensitivity to the cardiac glycoside ouabain has been established by genetic techniques. A complementary DNA encoding the entire alpha 1 subunit of the mouse Na+- and K+-dependent adenosine triphosphatase (ATPase) was inserted into the expression vector pSV2. This engineered DNA molecule confers resistance against 10(-4) M ouabain to monkey CV-1 cells. Deletion of sequences encoding the carboxyl terminus of the alpha 1 subunit abolish the activity of the complementary DNA. The ability to assay the biological activity of this ATPase in a transfection protocol permits the application of molecular genetic techniques to the analysis of structure-function relationships for the enzyme that establishes the internal Na+/K+ environment of most animal cells. The full-length alpha 1 subunit complementary DNA will also be useful as a dominant selectable marker for somatic cell genetic studies utilizing ouabain-sensitive cells.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kent, R B -- Emanuel, J R -- Ben Neriah, Y -- Levenson, R -- Housman, D E -- CA-07919/CA/NCI NIH HHS/ -- CA-26712/CA/NCI NIH HHS/ -- CA-38992/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1987 Aug 21;237(4817):901-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3039660" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cells, Cultured ; Cercopithecus aethiops ; DNA/genetics ; Drug Resistance ; Gene Expression Regulation ; Macromolecular Substances ; Mice ; Ouabain/*pharmacology ; Sodium-Potassium-Exchanging ATPase/antagonists & inhibitors/*genetics ; Species Specificity ; Structure-Activity Relationship ; Transfection
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  • 80
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    Unknown
    American Association for the Advancement of Science (AAAS)
    Publication Date: 1987-10-16
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lewin, R -- New York, N.Y. -- Science. 1987 Oct 16;238(4825):273-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3116670" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Base Sequence ; *Biological Evolution ; DNA/genetics ; Dental Enamel/anatomy & histology ; Gait ; Haplorhini/anatomy & histology/*genetics ; Humans ; Metacarpophalangeal Joint/anatomy & histology ; Molar ; Nucleic Acid Hybridization ; Pan troglodytes/anatomy & histology/*genetics ; Sequence Homology, Nucleic Acid
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  • 81
    Publication Date: 1987-05-29
    Description: Two complementary DNA's, encoding the complete sequences of 671 and 673 amino acids for subspecies of rat brain protein kinase C, were expressed in COS 7 cells. The complementary DNA sequence analysis predicted that the two enzymes are derived from different ways of splicing and differ from each other only in the short ranges of their carboxyl-terminal regions. Both enzymes showed typical characteristics of protein kinase C that responded to Ca2+, phospholipid, and diacylglycerol. The enzymes showed practically identical physical and kinetic properties and were indistinguishable from one of the several subspecies of protein kinase C that occurs in rat brain but not in untransfected COS 7 cells. Partial analysis of the genomic structure confirmed that these two subspecies of protein kinase C resulted indeed from alternative splicing of a single gene.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ono, Y -- Kikkawa, U -- Ogita, K -- Fujii, T -- Kurokawa, T -- Asaoka, Y -- Sekiguchi, K -- Ase, K -- Igarashi, K -- Nishizuka, Y -- New York, N.Y. -- Science. 1987 May 29;236(4805):1116-20.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3576226" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Base Sequence ; Brain/enzymology ; Chromatography, High Pressure Liquid ; DNA/genetics ; Nucleic Acid Hybridization ; Protein Kinase C/*genetics/metabolism ; RNA Splicing ; Rabbits ; Rats
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  • 82
    Publication Date: 1987-08-28
    Description: The human T cell antigen-receptor gamma chain, which is expressed on the surface of a subpopulation of CD3+ T lymphocytes, exhibits size polymorphism and varies in its ability to form disulfide bonds with a second polypeptide. Analysis of both genomic and complementary DNA clones encoding the human gamma polypeptide shows differences in lengths of the coding portions of the two constant region genes, C gamma 1 and C gamma 2. A single second-exon segment is always present in the C gamma 1 gene. C gamma 2 alleles containing either duplicated or triplicated second-exon segments are present in the normal human population and are expressed as messenger RNAs. Furthermore, a cysteine residue, encoded by the second exon of C gamma 1 and probably involved in interchain disulfide bridging, is absent in all C gamma 2 second-exon segments. These differences between C gamma 1 and the two alleles of C gamma 2 may explain the variability in molecular weight and disulfide bonding of gamma molecules expressed in different cells.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pelicci, P G -- Subar, M -- Weiss, A -- Dalla-Favera, R -- Littman, D R -- CA 09454/CA/NCI NIH HHS/ -- CA 37165/CA/NCI NIH HHS/ -- CA 37295/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1987 Aug 28;237(4818):1051-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3112943" target="_blank"〉PubMed〈/a〉
    Keywords: Base Sequence ; DNA/genetics ; Genes, MHC Class II ; Humans ; Immunoglobulin Constant Regions/*genetics ; Immunoglobulin Heavy Chains/*genetics ; Immunoglobulin gamma-Chains/*genetics ; Immunoglobulins/*genetics ; Polymorphism, Genetic ; Receptors, Antigen, T-Cell/*genetics
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  • 83
    Publication Date: 1987-05-01
    Description: A partial amino acid sequence obtained for porcine atrial muscarinic acetylcholine receptor was used to isolate complementary DNA clones containing the complete receptor coding region. The deduced 466-amino acid polypeptide exhibits extensive structural and sequence homology with other receptors coupled to guanine nucleotide binding (G) proteins (for example, the beta-adrenergic receptor and rhodopsins); this similarity predicts a structure of seven membrane-spanning regions distinguished by the disposition of a large cytoplasmic domain. Stable transfection of the Chinese hamster ovary cell line with the atrial receptor complementary DNA leads to the binding of muscarinic antagonists in these cells with affinities characteristic of the M2 receptor subtype. The atrial muscarinic receptor is encoded by a unique gene consisting of a single coding exon and multiple, alternatively spliced 5' noncoding regions. The atrial receptor is distinct from the cerebral muscarinic receptor gene product, sharing only 38% overall amino acid homology and possessing a completely nonhomologous large cytoplasmic domain, suggesting a role for the latter region in differential effector coupling.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Peralta, E G -- Winslow, J W -- Peterson, G L -- Smith, D H -- Ashkenazi, A -- Ramachandran, J -- Schimerlik, M I -- Capon, D J -- CA16417/CA/NCI NIH HHS/ -- HL23632/HL/NHLBI NIH HHS/ -- New York, N.Y. -- Science. 1987 May 1;236(4801):600-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3107123" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Base Sequence ; Cell Line ; DNA/genetics ; Exons ; GTP-Binding Proteins/metabolism ; Heart Atria/analysis ; Immunosorbent Techniques ; Membrane Proteins ; Molecular Weight ; Nucleic Acid Hybridization ; Peptide Fragments/metabolism ; Quinuclidinyl Benzilate/metabolism ; Receptors, Muscarinic/*genetics/metabolism ; Sequence Homology, Nucleic Acid ; Swine ; Transfection
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  • 84
    Publication Date: 1987-04-03
    Description: The primary structure of human uromodulin, a 616-amino acid, 85-kilodalton glycoprotein with in vitro immunosuppressive properties, was determined through isolation and characterization of complementary DNA and genomic clones. The amino acid sequence encoded by one of the exons of the uromodulin gene has homology to the low-density-lipoprotein receptor and the epidermal growth factor precursor. Northern hybridization analyses demonstrate that uromodulin is synthesized by the kidney. Evidence is provided that uromodulin is identical to the previously characterized Tamm-Horsfall glycoprotein, the most abundant protein in normal human urine.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pennica, D -- Kohr, W J -- Kuang, W J -- Glaister, D -- Aggarwal, B B -- Chen, E Y -- Goeddel, D V -- New York, N.Y. -- Science. 1987 Apr 3;236(4797):83-8.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3453112" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Amino Acids/analysis ; Base Sequence ; Chemistry, Physical ; Cloning, Molecular ; Cysteine ; DNA/genetics ; Gene Expression Regulation ; Genes ; Glycoproteins/*genetics ; Humans ; Mucoproteins/*analysis/*genetics ; Peptide Fragments/analysis ; Physicochemical Phenomena ; RNA, Messenger/genetics ; Uromodulin
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  • 85
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    Unknown
    American Association for the Advancement of Science (AAAS)
    Publication Date: 1987-10-30
    Description: The progressive deposition in the human brain of amyloid filaments composed of the amyloid beta protein is a principal feature of Alzheimer's disease (AD). Densitometric analysis of Southern blots probed with a complementary DNA for the amyloid protein has been carried out to determine the relative dosage of this gene in genomic DNA of 14 patients with AD, 12 aged normal subjects, and 10 patients with trisomy 21 (Down syndrome). Whereas patients in the last group showed the expected 1.5-fold increase in dosage of this gene, none of the patients with AD had a gene dosage higher than that of the normal controls. These results do not support the hypothesis that the genetic defect in AD involves duplication of a segment of chromosome 21 containing the amyloid gene. Alternative mechanisms for the brain-specific increase in amyloid protein deposition in AD should be considered.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Podlisny, M B -- Lee, G -- Selkoe, D J -- AGO2741/AG/NIA NIH HHS/ -- AGO6173/AG/NIA NIH HHS/ -- New York, N.Y. -- Science. 1987 Oct 30;238(4827):669-71.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Neurology, Harvard Medical School, Boston, MA 02115.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2960019" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Aged ; Aged, 80 and over ; Alzheimer Disease/*genetics ; Amyloid/*genetics ; Amyloid beta-Peptides ; Chromosomes, Human, Pair 21 ; DNA/genetics ; Down Syndrome/genetics ; Genes ; Humans ; Leukocytes/physiology
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  • 86
    Publication Date: 1987-09-25
    Description: A complementary DNA clone derived from rat brain messenger RNA has been isolated on the basis of homology to the human thyroid hormone receptor gene. Expression of this complementary DNA produces a high-affinity binding protein for thyroid hormones. Sequence analysis and the mapping of this gene to a distinct human genetic locus indicate the existence of multiple human thyroid hormone receptors. Messenger RNA from this gene is expressed in a tissue-specific fashion with highest levels in the central nervous system.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Thompson, C C -- Weinberger, C -- Lebo, R -- Evans, R M -- GM-266444-09/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1987 Sep 25;237(4822):1610-4.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3629259" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Base Sequence ; Brain/*physiology ; DNA/genetics ; DNA-Binding Proteins/*genetics ; Gene Expression Regulation ; Genes ; Humans ; RNA, Messenger/genetics ; Rats ; Receptors, Thyroid Hormone/*genetics/metabolism ; Tissue Distribution ; Triiodothyronine/metabolism
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  • 87
    Publication Date: 1987-03-20
    Description: A 4-kilobase complementary DNA (cDNA) encoding human macrophage-specific colony-stimulating factor (CSF-1) was isolated. When introduced into mammalian cells, this cDNA directs the expression of CSF-1 that is structurally and functionally indistinguishable from the natural human urinary CSF-1. Direct structural analysis of both the recombinant CSF-1 and the purified human urinary protein revealed that these species contain a sequence of at least 40 amino acids at their carboxyl termini which are not found in the coding region of a 1.6-kilobase CSF-1 cDNA that was previously described. These results demonstrate that the human CSF-1 gene can be expressed to yield at least two different messenger RNA species that encode distinct but related forms of CSF-1.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wong, G G -- Temple, P A -- Leary, A C -- Witek-Giannotti, J S -- Yang, Y C -- Ciarletta, A B -- Chung, M -- Murtha, P -- Kriz, R -- Kaufman, R J -- New York, N.Y. -- Science. 1987 Mar 20;235(4795):1504-8.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3493529" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Base Sequence ; Cloning, Molecular ; Colony-Stimulating Factors/*genetics/urine ; DNA/genetics ; Gene Expression Regulation ; Humans ; Macrophages/physiology ; Molecular Weight ; Peptide Fragments ; Protein Processing, Post-Translational ; RNA, Messenger/genetics
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  • 88
    Publication Date: 1987-03-20
    Description: A human B-cell growth factor (BCGF) (12 kilodaltons) supports the clonal proliferation of B lymphocytes. A clone was isolated that contained the proper structural sequence to encode biologically active, 12-kilodalton BCGF in Escherichia coli and to hybridize to a specific messenger RNA, identified by in vitro translation in Xenopus laevis oocytes. A relatively hydrophobic region of 18 amino acids was found at the amino terminal of the 124-amino acid-long polypeptide. The carboxyl terminal is composed of at least 32 amino acids that are derived from nucleotide sequences bearing significant homology to the Alu repeat family.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sharma, S -- Mehta, S -- Morgan, J -- Maizel, A -- 16672/PHS HHS/ -- CA38499/CA/NCI NIH HHS/ -- CA39798/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1987 Mar 20;235(4795):1489-92.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3547651" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; B-Lymphocytes/*physiology ; Base Sequence ; Cloning, Molecular ; DNA/genetics ; Escherichia coli ; Gene Expression Regulation ; Growth Substances/*genetics ; Interleukin-4 ; Lymphokines/*genetics ; Repetitive Sequences, Nucleic Acid ; Sequence Homology, Nucleic Acid
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  • 89
    Publication Date: 1987-01-09
    Description: The HER-2/neu oncogene is a member of the erbB-like oncogene family, and is related to, but distinct from, the epidermal growth factor receptor. This gene has been shown to be amplified in human breast cancer cell lines. In the current study, alterations of the gene in 189 primary human breast cancers were investigated. HER-2/neu was found to be amplified from 2- to greater than 20-fold in 30% of the tumors. Correlation of gene amplification with several disease parameters was evaluated. Amplification of the HER-2/neu gene was a significant predictor of both overall survival and time to relapse in patients with breast cancer. It retained its significance even when adjustments were made for other known prognostic factors. Moreover, HER-2/neu amplification had greater prognostic value than most currently used prognostic factors, including hormonal-receptor status, in lymph node-positive disease. These data indicate that this gene may play a role in the biologic behavior and/or pathogenesis of human breast cancer.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Slamon, D J -- Clark, G M -- Wong, S G -- Levin, W J -- Ullrich, A -- McGuire, W L -- CA 30195/CA/NCI NIH HHS/ -- CA 36827/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1987 Jan 9;235(4785):177-82.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3798106" target="_blank"〉PubMed〈/a〉
    Keywords: Axilla ; Breast Neoplasms/*genetics/mortality/pathology ; DNA/genetics ; Female ; *Gene Amplification ; Humans ; Lymph Nodes/pathology ; Neoplasm Recurrence, Local/*genetics ; Nucleic Acid Hybridization ; *Oncogenes ; Prognosis ; Receptor, Epidermal Growth Factor/genetics
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  • 90
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    Unknown
    American Association for the Advancement of Science (AAAS)
    Publication Date: 1987-10-30
    Description: The Drosophila gene, dorsal, is a maternal effect locus that is essential for the establishment of dorsal-ventral polarity in the developing embryo. The dorsal protein was predicted from the complementary DNA sequence; it is almost 50 percent identical, over an extensive region, to the protein encoded by the avian oncogene v-rel, its cellular homolog, c-rel, and a human c-rel fragment. The oncogene v-rel is highly oncogenic in avian lymphoid, spleen, and bone marrow cells.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Steward, R -- New York, N.Y. -- Science. 1987 Oct 30;238(4827):692-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biology, Princeton University, NJ 08544.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3118464" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; DNA/genetics ; Drosophila melanogaster/embryology/*genetics ; Genes ; Molecular Sequence Data ; *Morphogenesis ; Oogenesis ; Proto-Oncogene Proteins/*genetics ; *Proto-Oncogenes ; Sequence Homology, Nucleic Acid
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  • 91
    Publication Date: 1987-10-30
    Description: Complementary DNAs (cDNAs) encoding portions of the amyloid beta protein were used to investigate possible amyloid gene duplication in sporadic Alzheimer's disease. A strategy employing two Eco RI restriction fragment length polymorphisms (RFLPs) detected by the amyloid cDNAs was used. RFLPs allow the detection of a 2:1 gene dosage in the DNA of any individual who is heterozygous for a particular RFLP. The amyloid gene regions homologous to the cDNAs used were not duplicated in the DNA from brains of individuals with sporadic Alzheimer's disease. Similar results were also obtained with a strategy employing a test for 3:2 gene dosage.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Tanzi, R E -- Bird, E D -- Latt, S A -- Neve, R L -- HD 18658/HD/NICHD NIH HHS/ -- MH/NS 31862/MH/NIMH NIH HHS/ -- New York, N.Y. -- Science. 1987 Oct 30;238(4827):666-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Division of Genetics and Mental Retardation Center, Children's Hospital, Boston, MA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2890207" target="_blank"〉PubMed〈/a〉
    Keywords: Alleles ; Alzheimer Disease/*genetics ; Amyloid/*genetics ; Amyloid beta-Peptides ; Chromosomes, Human, Pair 17 ; Chromosomes, Human, Pair 21 ; DNA/genetics ; Genes ; Humans ; Microtubule-Associated Proteins/genetics ; Polymorphism, Restriction Fragment Length ; tau Proteins
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  • 92
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    Unknown
    American Association for the Advancement of Science (AAAS)
    Publication Date: 1987-11-27
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cassatt, J C -- Peterson, J L -- New York, N.Y. -- Science. 1987 Nov 27;238(4831):1215.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3685968" target="_blank"〉PubMed〈/a〉
    Keywords: *Base Sequence ; DNA/genetics ; *Information Systems ; National Institutes of Health (U.S.) ; United States
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  • 93
    Publication Date: 1987-10-16
    Description: The primary structure of human apolipoprotein (apo) B-48 has been deduced and shown by a combination of DNA excess hybridization, sequencing of tryptic peptides, cloned complementary DNAs, and intestinal messenger RNAs (mRNAs) to be the product of an intestinal mRNA with an in-frame UAA stop codon resulting from a C to U change in the codon CAA encoding Gln2153 in apoB-100 mRNA. The carboxyl-terminal Ile2152 of apoB-48 purified from chylous ascites fluid has apparently been cleaved from the initial translation product, leaving Met2151 as the new carboxyl-terminus. These data indicate that approximately 85% of the intestinal mRNAs terminate within approximately 0.1 to 1.0 kilobase downstream from the stop codon. The other approximately 15% have lengths similar to hepatic apoB-100 mRNA even though they have the same in-frame stop codon. The organ-specific introduction of a stop codon to a mRNA appears unprecedented and might have implications for cryptic polyadenylation signal recognition and RNA processing.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Chen, S H -- Habib, G -- Yang, C Y -- Gu, Z W -- Lee, B R -- Weng, S A -- Silberman, S R -- Cai, S J -- Deslypere, J P -- Rosseneu, M -- GM-30998/GM/NIGMS NIH HHS/ -- HL-27341/HL/NHLBI NIH HHS/ -- New York, N.Y. -- Science. 1987 Oct 16;238(4825):363-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Cell Biology, Baylor College of Medicine, Houston, TX 77030.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3659919" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Apolipoprotein B-48 ; Apolipoproteins B/*genetics/metabolism ; Base Sequence ; Chylous Ascites/metabolism ; *Codon ; DNA/genetics ; Humans ; Intestine, Small/analysis ; Molecular Sequence Data ; Nucleic Acid Hybridization ; Peptide Fragments ; *RNA, Messenger/analysis/*genetics ; Trypsin/metabolism
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  • 94
    Publication Date: 1987-07-17
    Description: Low-stringency hybridization with human glucocorticoid receptor (hGR) complementary DNA was used to isolate a new gene encoding a predicted 107-kilodalton polypeptide. Expression studies demonstrate its ability to bind aldosterone with high affinity and to activate gene transcription in response to aldosterone, thus establishing its identity as the human mineralocorticoid receptor (hMR). This molecule also shows high affinity for glucocorticoids and stimulates a glucocorticoid-responsive promoter. Together the hMR and hGR provide unexpected functional diversity in which hormone-binding properties, target gene interactions, and patterns of tissue-specific expression may be used in a combinatorial fashion to achieve complex physiologic control.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Arriza, J L -- Weinberger, C -- Cerelli, G -- Glaser, T M -- Handelin, B L -- Housman, D E -- Evans, R M -- New York, N.Y. -- Science. 1987 Jul 17;237(4812):268-75.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3037703" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Base Sequence ; Chromosomes, Human, Pair 4 ; Cloning, Molecular ; DNA/genetics ; DNA-Binding Proteins/genetics ; Humans ; Rats ; Receptors, Glucocorticoid/*genetics ; Receptors, Mineralocorticoid ; Receptors, Steroid/*genetics ; Sequence Homology, Nucleic Acid ; Tissue Distribution ; Transcription Factors/*genetics ; Transcription, Genetic
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  • 95
    Publication Date: 1987-03-13
    Description: With the recently cloned complementary DNA probe, lambda Am4 for the chromosome 21 gene encoding brain amyloid polypeptide (beta amyloid protein) of Alzheimer's disease, leukocyte DNA from three patients with sporadic Alzheimer's disease and two patients with karyotypically normal Down syndrome was found to contain three copies of this gene. Because a small region of chromosome 21 containing the ets-2 gene is duplicated in patients with Alzheimer's disease, as well as in karyotypically normal Down syndrome, duplication of a subsection of the critical segment of chromosome 21 that is duplicated in Down syndrome may be the genetic defect in Alzheimer's disease.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Delabar, J M -- Goldgaber, D -- Lamour, Y -- Nicole, A -- Huret, J L -- de Grouchy, J -- Brown, P -- Gajdusek, D C -- Sinet, P M -- New York, N.Y. -- Science. 1987 Mar 13;235(4794):1390-2.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2950593" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Aged ; Alzheimer Disease/*genetics ; Amyloid/*genetics ; *Chromosomes, Human, Pair 21 ; DNA/genetics ; Down Syndrome/*genetics ; Humans ; Leukocytes/analysis ; *Multigene Family
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  • 96
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    Unknown
    American Association for the Advancement of Science (AAAS)
    Publication Date: 1987-10-30
    Description: A novel T cell receptor (TCR) subunit termed TCR delta, associated with TCR gamma and CD3 polypeptides, was recently found on a subpopulation of human T lymphocytes. T cell-specific complementary DNA clones present in a human TCR gamma delta T cell complementary DNA library were obtained and characterized in order to identify candidate clones encoding TCR delta. One cross-hybridizing group of clones detected transcripts that are expressed in lymphocytes bearing TCR gamma delta but not in other T lymphocytes and are encoded by genes that are rearranged in TCR gamma delta lymphocytes but deleted in other T lymphocytes. Their sequences indicate homology to the variable, joining, and constant elements of other TCR and immunoglobulin genes. These characteristics, as well as the immunochemical data presented in a companion paper, are strong evidence that the complementary DNA clones encode TCR delta.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hata, S -- Brenner, M B -- Krangel, M S -- 1-K01-AM01598/AM/NIADDK NIH HHS/ -- New York, N.Y. -- Science. 1987 Oct 30;238(4827):678-82.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Division of Tumor Virology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA 02115.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3499667" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Base Sequence ; Cloning, Molecular ; DNA/genetics ; Genes ; Humans ; Membrane Proteins/genetics ; Molecular Sequence Data ; RNA, Messenger/genetics ; Receptors, Antigen, T-Cell/*genetics ; T-Lymphocytes/*physiology
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  • 97
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    Unknown
    American Association for the Advancement of Science (AAAS)
    Publication Date: 1987-03-13
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kolata, G -- New York, N.Y. -- Science. 1987 Mar 13;235(4794):1328.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3823887" target="_blank"〉PubMed〈/a〉
    Keywords: DNA/genetics ; Female ; Gaucher Disease/complications/*genetics/pathology ; Heterozygote Detection ; Humans ; Nervous System Diseases/diagnosis/*genetics ; Pregnancy ; Prenatal Diagnosis
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  • 98
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    Unknown
    American Association for the Advancement of Science (AAAS)
    Publication Date: 1987-10-23
    Description: M1 RNA, the catalytic RNA subunit of Escherichia coli ribonuclease P, can cleave novel transfer RNA (tRNA) precursors that lack specific domains of the normal tRNA sequence. The smallest tRNA precursor that was cleaved efficiently retained only the domain of the amino acid acceptor stem and the T stem and loop. The importance of the 3' terminal CCA nucleotide residues in the processing of both novel and normal tRNA precursors implies that the same enzymatic function of M1 RNA is involved.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉McClain, W H -- Guerrier-Takada, C -- Altman, S -- AI10257/AI/NIAID NIH HHS/ -- GM19422/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1987 Oct 23;238(4826):527-30.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Bacteriology, University of Wisconsin, Madison 53706.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2443980" target="_blank"〉PubMed〈/a〉
    Keywords: Base Sequence ; DNA/genetics ; DNA, Recombinant ; Endoribonucleases/*metabolism ; Escherichia coli/*enzymology ; *Escherichia coli Proteins ; Molecular Sequence Data ; Mutation ; Nucleic Acid Conformation ; Plasmids ; RNA Precursors/*metabolism ; RNA, Bacterial/genetics ; RNA, Transfer, Amino Acyl/genetics ; Ribonuclease P ; Ribonuclease T1/metabolism ; Structure-Activity Relationship ; Substrate Specificity ; Suppression, Genetic
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  • 99
    Publication Date: 1987-08-14
    Description: The deduced amino acid sequence of a Drosophila gene isolated with a vertebrate sodium channel complementary DNA probe revealed an organization virtually identical to the vertebrate sodium channel protein; four homologous domains containing all putative membrane-spanning regions are repeated in tandem with connecting linkers of various sizes. All areas of the protein presumed to be critical for channel function show high evolutionary conservation. These include those proposed to function in voltage-sensitive gating, inactivation, and ion selectivity. All 24 putative gating charges of the vertebrate protein are in identical positions in the Drosophila gene. Ten introns interrupt the coding regions of the four homology units; introns with positions conserved among homology units bracket a region hypothesized to be the selectivity filter for the channel. The Drosophila gene maps to the right arm of the second chromosome in region 60D-E. This position does not coincide with any known mutations that confer behavioral phenotypes, but is close to the seizure locus (60A-B), which has been hypothesized to code for a voltage-sensitive sodium channel.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Salkoff, L -- Butler, A -- Wei, A -- Scavarda, N -- Giffen, K -- Ifune, C -- Goodman, R -- Mandel, G -- 1 R01 NS24785-01/NS/NINDS NIH HHS/ -- New York, N.Y. -- Science. 1987 Aug 14;237(4816):744-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2441469" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Biological Evolution ; DNA/genetics ; DNA Restriction Enzymes ; Drosophila/*genetics ; Drosophila melanogaster/genetics ; Electrophorus/genetics ; Exons ; Gene Expression Regulation ; Introns ; *Ion Channels ; Membrane Proteins/*genetics ; RNA, Messenger/genetics ; Sequence Homology, Nucleic Acid ; Sodium/*metabolism
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  • 100
    Publication Date: 1987-08-21
    Description: Humoral hypercalcemia of malignancy is a common complication of lung and certain other cancers. The hypercalcemia results from the actions of tumor factors on bone and kidney. We report here the isolation of full-length complementary DNA clones of a putative hypercalcemia factor, and the expression from the cloned DNA of the active protein in mammalian cells. The clones encode a prepro peptide of 36 amino acids and a mature protein of 141 amino acids that has significant homology with parathyroid hormone in the amino-terminal region. This previously unrecognized hormone may be important in normal as well as abnormal calcium metabolism.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Suva, L J -- Winslow, G A -- Wettenhall, R E -- Hammonds, R G -- Moseley, J M -- Diefenbach-Jagger, H -- Rodda, C P -- Kemp, B E -- Rodriguez, H -- Chen, E Y -- New York, N.Y. -- Science. 1987 Aug 21;237(4817):893-6.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3616618" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Cell Line ; Cloning, Molecular ; DNA/genetics ; Gene Expression Regulation ; Humans ; Hypercalcemia/*genetics ; Lung Neoplasms/complications/*genetics ; Neoplasm Proteins/*genetics ; Parathyroid Hormone/genetics ; Parathyroid Hormone-Related Protein
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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