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  • Articles  (578)
  • Humans  (534)
  • Binding Sites  (62)
  • Cell & Developmental Biology
  • 1990-1994  (578)
  • 1993  (578)
  • Computer Science  (578)
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  • Articles  (578)
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  • 1990-1994  (578)
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  • 1
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    Human growth hormone. French scientists may face charges over CJD outbreak (1993)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1993-07-30
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Balter, M -- New York, N.Y. -- Science. 1993 Jul 30;261(5121):543.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8342013" target="_blank"〉PubMed〈/a〉
    Keywords: Child ; Creutzfeldt-Jakob Syndrome/epidemiology/*transmission ; *Disease Outbreaks ; *Drug Contamination ; Dwarfism, Pituitary/drug therapy ; France/epidemiology ; Growth Hormone/*adverse effects ; History, 20th Century ; Humans
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 2
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    Sea urchin egg receptor for sperm: sequence similarity of binding domain and hsp70 (1993)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1993-03-05
    Description: Fertilization depends on cell surface recognition proteins that interact and thereby mediate binding and subsequent fusion of the sperm and egg. Overlapping complementary DNA's encoding the egg plasma membrane receptor for sperm from the sea urchin Strongylocentrotus purpuratus were cloned and sequenced. Analysis of the deduced primary structure suggests that the receptor is a transmembrane protein with a short cytoplasmic domain. This domain showed no sequence similarity to known protein sequences. In contrast, the extracellular, sperm binding domain of the receptor did show sequence similarity to the heat shock protein 70 (hsp70) family of proteins. Recombinant protein representing this portion of the receptor bound to the sperm protein, binding, and also inhibited fertilization in a species-specific manner; beads coated with the protein became specifically bound to acrosome-reacted sperm. These data provide a basis for detailed investigations of molecular interactions that occur in gamete recognition and egg activation.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Foltz, K R -- Partin, J S -- Lennarz, W J -- HD18590/HD/NICHD NIH HHS/ -- New York, N.Y. -- Science. 1993 Mar 5;259(5100):1421-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biological Sciences, University of California, Santa Barbara 93106.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8383878" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Cloning, Molecular ; Female ; Fertilization ; Heat-Shock Proteins/*genetics ; Humans ; Male ; Molecular Sequence Data ; Ovum/physiology ; Receptors, Cell Surface/*genetics/metabolism ; Recombinant Proteins/metabolism ; Restriction Mapping ; Sea Urchins ; Sequence Homology, Amino Acid ; Sperm-Ovum Interactions ; Spermatozoa/cytology/physiology
    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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  • 3
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    Eastern Europe. Joining forces to probe environment-health links (1993)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1993-07-02
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Balter, M -- New York, N.Y. -- Science. 1993 Jul 2;261(5117):24-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8316853" target="_blank"〉PubMed〈/a〉
    Keywords: *Environmental Health ; *Environmental Pollution ; Europe, Eastern ; Humans ; *International Cooperation ; United States ; United States Environmental Protection Agency
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 4
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    IOM issues vaccine report (1993)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1993-07-09
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cohen, J -- New York, N.Y. -- Science. 1993 Jul 9;261(5118):156.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8327886" target="_blank"〉PubMed〈/a〉
    Keywords: Clinical Trials as Topic ; Drug Industry ; Humans ; Patents as Topic ; Research ; United States ; *Vaccines
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 5
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    Gene therapy approval process (1993)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1993-03-19
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Royston, I -- New York, N.Y. -- Science. 1993 Mar 19;259(5102):1678-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8456290" target="_blank"〉PubMed〈/a〉
    Keywords: Genetic Therapy/*legislation & jurisprudence ; Humans ; National Institutes of Health (U.S.) ; United States
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 6
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    Transcription factor TFIIB sites important for interaction with promoter-bound TFIID (1993)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1993-07-23
    Description: Transcription initiation factor TFIIB recruits RNA polymerase II to the promoter subsequent to interaction with a preformed TFIID-promoter complex. The domains of TFIIB required for binding to the TFIID-promoter complex and for transcription initiation have been determined. The carboxyl-terminal two-thirds of TFIIB, which contains two direct repeats and two basic residue repeats, is sufficient for interaction with the TFIID-promoter complex. An extra 84-residue amino-terminal region, with no obvious known structural motifs, is required for basal transcription activity. Basic residues within the second basic repeat of TFIIB are necessary for stable interaction with the TFIID-promoter complex, whereas the basic character of the first basic repeat is not. Functional roles of other potential structural motifs are discussed in light of the present study.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Yamashita, S -- Hisatake, K -- Kokubo, T -- Doi, K -- Roeder, R G -- Horikoshi, M -- Nakatani, Y -- AI27397/AI/NIAID NIH HHS/ -- CA42567/CA/NCI NIH HHS/ -- GM45258/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1993 Jul 23;261(5120):463-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉National Institute of Neurological Diseases and Stroke, National Institutes of Health, Bethesda, MD 20892.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8332911" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Binding Sites ; DNA-Binding Proteins/*metabolism ; Drosophila ; Molecular Sequence Data ; Mutation ; *Promoter Regions, Genetic ; Protein Binding ; Transcription Factor TFIIB ; Transcription Factor TFIID ; Transcription Factors/*chemistry/*metabolism
    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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  • 7
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    Somber news from the AIDS front (1993)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1993-06-18
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cohen, J -- New York, N.Y. -- Science. 1993 Jun 18;260(5115):1712-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8390093" target="_blank"〉PubMed〈/a〉
    Keywords: AIDS Vaccines/therapeutic use ; *Acquired Immunodeficiency Syndrome/drug therapy/immunology/prevention & control ; Drug Therapy, Combination ; Female ; Humans ; Immunity, Cellular ; Male ; Sexually Transmitted Diseases/prevention & control ; Zalcitabine/therapeutic use ; Zidovudine/therapeutic use
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 8
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    Sex, violence, and sociobiology (1993)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1993-10-22
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Barash, D P -- New York, N.Y. -- Science. 1993 Oct 22;262(5133):491.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8211168" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biological Evolution ; Child ; Child Abuse ; Female ; Humans ; Male ; *Sexual Behavior ; Sexual Behavior, Animal ; Sociology ; *Violence
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 9
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    Mutations in the glucose-6-phosphatase gene that cause glycogen storage disease type 1a (1993)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1993-10-22
    Description: Glycogen storage disease (GSD) type 1a is caused by the deficiency of D-glucose-6-phosphatase (G6Pase), the key enzyme in glucose homeostasis. Despite both a high incidence and morbidity, the molecular mechanisms underlying this deficiency have eluded characterization. In the present study, the molecular and biochemical characterization of the human G6Pase complementary DNA, its gene, and the expressed protein, which is indistinguishable from human microsomal G6Pase, are reported. Several mutations in the G6Pase gene of affected individuals that completely inactivate the enzyme have been identified. These results establish the molecular basis of this disease and open the way for future gene therapy.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lei, K J -- Shelly, L L -- Pan, C J -- Sidbury, J B -- Chou, J Y -- New York, N.Y. -- Science. 1993 Oct 22;262(5133):580-3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Human Genetics Branch, National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, MD 20892.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8211187" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Base Sequence ; Cell Line ; DNA, Complementary/genetics ; Exons ; Glucose-6-Phosphatase/*genetics/metabolism ; Glycogen Storage Disease Type I/enzymology/*genetics ; Glycosylation ; Humans ; Liver/enzymology ; Mice ; Molecular Sequence Data ; *Mutation ; Protein Conformation ; Transfection
    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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  • 10
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    The human cornucopia (1993)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1993-05-14
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Jasny, B R -- Miller, L J -- New York, N.Y. -- Science. 1993 May 14;260(5110):875.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8493511" target="_blank"〉PubMed〈/a〉
    Keywords: *Biotechnology ; Humans ; *Therapeutics
    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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  • 11
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    Multidrug resistance-associated protein: sequence correction (1993)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1993-05-14
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cole, S P -- Deeley, R G -- New York, N.Y. -- Science. 1993 May 14;260(5110):879.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8098549" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Carrier Proteins/*chemistry ; Humans ; Membrane Glycoproteins/*chemistry ; Molecular Sequence Data ; P-Glycoprotein
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 12
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    Dioxin exposure (1993)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1993-12-03
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Collins, J J -- New York, N.Y. -- Science. 1993 Dec 3;262(5139):1498.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8248790" target="_blank"〉PubMed〈/a〉
    Keywords: Carcinogens, Environmental/*adverse effects ; Dioxins/*adverse effects ; Humans ; Italy ; Neoplasms/*chemically induced
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 13
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    Tropical poison frogs (1993)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1993-11-19
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Myers, C W -- Daly, J W -- New York, N.Y. -- Science. 1993 Nov 19;262(5137):1193.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8235639" target="_blank"〉PubMed〈/a〉
    Keywords: *Amphibian Venoms ; Animals ; *Animals, Poisonous ; *Anura ; Humans ; Indians, South American
    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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  • 14
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    Deletion of the paired alpha 5(IV) and alpha 6(IV) collagen genes in inherited smooth muscle tumors (1993)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1993-08-27
    Description: The gene encoding alpha 6(IV) collagen, COL4A6, was identified on the human X chromosome in a head-to-head arrangement and within 452 base pairs of the alpha 5(IV) collagen gene, COL4A5. In earlier studies, intragenic deletions of COL4A5 were detected in a subset of patients with Alport syndrome (AS), a hereditary defect of basement membranes. In some families, AS cosegregates with diffuse leiomyomatosis (DL), a benign smooth muscle tumor diathesis. Here it is shown that patients with AS-DL harbor deletions that disrupt both COL4A5 and COL4A6. Thus, type IV collagen may regulate smooth muscle differentiation and morphogenesis.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Zhou, J -- Mochizuki, T -- Smeets, H -- Antignac, C -- Laurila, P -- de Paepe, A -- Tryggvason, K -- Reeders, S T -- New York, N.Y. -- Science. 1993 Aug 27;261(5125):1167-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Howard Hughes Medical Institute, Yale University School of Medicine, New Haven, CT 06536-0812.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8356449" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Base Sequence ; Cell Differentiation ; Collagen/chemistry/*genetics ; Exons ; Female ; Fetus/metabolism ; *Gene Deletion ; Genetic Linkage ; Humans ; Leiomyoma/*genetics ; Male ; Molecular Sequence Data ; Morphogenesis ; Muscle, Smooth/cytology ; Mutation ; Nephritis, Hereditary/*genetics ; RNA, Messenger/genetics/metabolism
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 15
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    DNA repair helicase: a component of BTF2 (TFIIH) basic transcription factor (1993)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1993-04-02
    Description: The human BTF2 basic transcription factor (also called TFIIH), which is similar to the delta factor in rat and factor b in yeast, is required for class II gene transcription. A strand displacement assay was used to show that highly purified preparation of BTF2 had an adenosine triphosphate-dependent DNA helicase activity, in addition to the previously characterized carboxyl-terminal domain kinase activity. Amino acid sequence analysis of the tryptic digest generated from the 89-kilodalton subunit of BTF2 indicated that this polypeptide corresponded to the ERCC-3 gene product, a presumed helicase implicated in the human DNA excision repair disorders xeroderma pigmentosum and Cockayne's syndrome. These findings suggest that transcription and nucleotide excision repair may share common factors and hence may be considered to be functionally related.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Schaeffer, L -- Roy, R -- Humbert, S -- Moncollin, V -- Vermeulen, W -- Hoeijmakers, J H -- Chambon, P -- Egly, J M -- New York, N.Y. -- Science. 1993 Apr 2;260(5104):58-63.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉UPR 6520 (CNRS), Unite 184 (INSERM), Faculte de Medecine, Strasbourg, France.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8465201" target="_blank"〉PubMed〈/a〉
    Keywords: Adenosine Triphosphate/pharmacology ; Binding Sites ; Cockayne Syndrome/enzymology/genetics ; DNA/metabolism ; DNA Helicases/metabolism ; *DNA Repair ; Humans ; Immunoblotting ; Peptide Fragments ; Promoter Regions, Genetic ; Protein Kinases/metabolism ; RNA Polymerase II/metabolism ; Recombinant Proteins/metabolism ; Sequence Analysis ; Transcription Factor TFIIH ; Transcription Factors/*metabolism ; *Transcription Factors, TFII ; Transcription, Genetic ; Trypsin/metabolism ; Xeroderma Pigmentosum/enzymology/genetics
    Print ISSN: 0036-8075
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  • 16
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    Regioselective and enantioselective epoxidation catalyzed by metalloporphyrins (1993)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1993-09-10
    Description: Recent progress in regioselective and enantioselective epoxidations catalyzed by metalloporphyrins is discussed here, with an explanation of the biomimetic antecedents of this area and its relevance to synthetic applications. Classification of the catalysts that have been studied allows useful conclusions to be drawn about the development of this field. In particular, both the most promising biomimetic and practical catalysts have arisen from systems that can be systematically modified by convenient synthetic methodology.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Collman, J P -- Zhang, X -- Lee, V J -- Uffelman, E S -- Brauman, J I -- 5R37-GM 17880/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1993 Sep 10;261(5127):1404-11.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Chemistry, Stanford University, CA 94305.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8367724" target="_blank"〉PubMed〈/a〉
    Keywords: Alkenes/chemistry ; Binding Sites ; Catalysis ; Epoxy Compounds/chemistry/*metabolism ; Ethylenediamines/chemistry ; Hydroxylation ; Ligands ; Metalloporphyrins/chemistry/*metabolism ; Molecular Structure ; Oxidation-Reduction ; Stereoisomerism
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  • 17
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    Repair of DNA methylphosphotriesters through a metalloactivated cysteine nucleophile (1993)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1993-08-27
    Description: The Escherichia coli Ada protein repairs methylphosphotriesters in DNA by direct, irreversible methyl transfer to one of its own cysteines. Upon methyl transfer, Ada acquires the ability to bind specific DNA sequences and thereby to induce genes that confer resistance to methylating agents. The amino-terminal domain of Ada, which comprises the methylphosphotriester repair and sequence-specific DNA binding elements, contains a tightly bound zinc ion. Analysis of the zinc binding site by cadmium-113 nuclear magnetic resonance and site-directed mutagenesis revealed that zinc participates in the autocatalytic activation of the active site cysteine and may also function as a conformational switch.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Myers, L C -- Terranova, M P -- Ferentz, A E -- Wagner, G -- Verdine, G L -- New York, N.Y. -- Science. 1993 Aug 27;261(5125):1164-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Program for Higher Degrees in Biophysics, Harvard University, Cambridge, MA 02138.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8395079" target="_blank"〉PubMed〈/a〉
    Keywords: Bacterial Proteins/chemistry/genetics/*metabolism ; Binding Sites ; Cadmium ; Cysteine/metabolism ; DNA/*metabolism ; *DNA Repair ; *Escherichia coli Proteins ; Isotopes ; Magnetic Resonance Spectroscopy ; Methylation ; Mutagenesis, Site-Directed ; O(6)-Methylguanine-DNA Methyltransferase ; Protons ; Transcription Factors ; Zinc/chemistry/*metabolism
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 18
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    A heavy ion accelerator gears up to fight cancer (1993)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1993-09-03
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Myers, F -- New York, N.Y. -- Science. 1993 Sep 3;261(5126):1270.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8362241" target="_blank"〉PubMed〈/a〉
    Keywords: Combined Modality Therapy ; Humans ; Japan ; Neoplasms/*therapy ; *Synchrotrons
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  • 19
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    The development of biological therapies for breast cancer (1993)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1993-01-29
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lippman, M E -- New York, N.Y. -- Science. 1993 Jan 29;259(5095):631-2.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Vincent T. Lombardi Cancer Research Center, Georgetown University Medical Center, Washington, DC 20007.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8430312" target="_blank"〉PubMed〈/a〉
    Keywords: Biological Factors/*therapeutic use ; Breast Neoplasms/*therapy ; Female ; Growth Substances/*therapeutic use ; Humans ; Prognosis
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Dialkylglycine decarboxylase structure: bifunctional active site and alkali metal sites (1993)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1993-08-06
    Description: The structure of the bifunctional, pyridoxal phosphate-dependent enzyme dialkylglycine decarboxylase was determined to 2.1-angstrom resolution. Model building suggests that a single cleavage site catalyzes both decarboxylation and transamination by maximizing stereoelectronic advantages and providing electrostatic and general base catalysis. The enzyme contains two binding sites for alkali metal ions. One is located near the active site and accounts for the dependence of activity on potassium ions. The other is located at the carboxyl terminus of an alpha helix. These sites help show how proteins can specifically bind alkali metals and how these ions can exert functional effects.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Toney, M D -- Hohenester, E -- Cowan, S W -- Jansonius, J N -- GM13854/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1993 Aug 6;261(5122):756-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Structural Biology, University of Basel, Switzerland.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8342040" target="_blank"〉PubMed〈/a〉
    Keywords: Amination ; Amino Acid Sequence ; Binding Sites ; Carboxy-Lyases/*chemistry/metabolism ; Catalysis ; Computer Graphics ; Decarboxylation ; Metals, Alkali/*metabolism ; Models, Molecular ; Molecular Sequence Data ; Protein Conformation ; Protein Structure, Secondary ; X-Ray Diffraction
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Toxic terror; phantom risks (1993)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1993-07-23
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Abelson, P H -- New York, N.Y. -- Science. 1993 Jul 23;261(5120):407.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8305008" target="_blank"〉PubMed〈/a〉
    Keywords: Carcinogens, Environmental/*adverse effects ; Hazardous Substances/*adverse effects ; Humans ; Jurisprudence ; *Public Opinion ; Risk
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 22
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    Inhibition of Rev-mediated HIV-1 expression by an RNA binding protein encoded by the interferon-inducible 9-27 gene (1993)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1993-02-26
    Description: Interferon inhibits expression of human immunodeficiency virus type-1 (HIV-1) through unknown mechanisms. A gene inducible by interferon-alpha (IFN-alpha) and interferon-gamma (IFN-gamma) was isolated by screening of a human complementary DNA library for proteins binding to the Rev-responsive element (RRE) of HIV-1. The product of this gene, RBP9-27, was shown to bind RNA in vitro and to inhibit HIV-1 expression after transfection into human cells. RBP9-27 primarily inhibited Rev-dependent posttranscriptional steps of viral gene expression. Thus, RBP9-27 is a cellular factor that antagonizes Rev function. These results suggest an interferon-induced antiviral mechanism operating through the induction of RNA binding proteins such as RBP9-27. Elucidation of RBP9-27 function may lead to a better understanding of the mechanism of interferon action during HIV-1 infection.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Constantoulakis, P -- Campbell, M -- Felber, B K -- Nasioulas, G -- Afonina, E -- Pavlakis, G N -- N0-CO-74101/CO/NCI NIH HHS/ -- New York, N.Y. -- Science. 1993 Feb 26;259(5099):1314-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Human Retrovirus Section, National Cancer Institute-Frederick Cancer Research and Development Center, MD 21702.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7680491" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Base Sequence ; Cloning, Molecular ; *Gene Expression Regulation, Viral ; Genes, env ; *Genes, rev ; HIV-1/*genetics ; Humans ; Interferons/pharmacology ; *Membrane Proteins ; Molecular Sequence Data ; Oligodeoxyribonucleotides/chemistry ; RNA-Binding Proteins/*genetics ; Regulatory Sequences, Nucleic Acid
    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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  • 23
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    Present status and future prospects for HIV therapies (1993)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1993-05-28
    Description: Since the discovery of human immunodeficiency virus (HIV) in 1983, significant progress has been made toward the discovery, development, and licensing of anti-HIV drugs. In vitro screens against whole virus are now being complemented by screens against specific viral targets, resulting in the development of clinical candidates acting at several critical stages of the viral life cycle. Despite these advances, clinical therapy remains largely palliative. In addition, it has recently been recognized that HIV resistance to most drugs may pose even greater obstacles. Moreover, emerging data on immunopathogenesis raise the possibility that even if virus was eliminated from an infected individual, the patient's immune system might not be capable of restoration to normal function. In the face of such obstacles, deeper insights into the pathogenic mechanisms of disease, aggressive exploitation of those mechanisms for therapeutic gain, and continued commitment of both public and private sectors to support and collaborate in this research are needed.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Johnston, M I -- Hoth, D F -- New York, N.Y. -- Science. 1993 May 28;260(5112):1286-93.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Basic Research and Development Program, National Institute of Allergy and Infectious Diseases (NIAID), National Institutes of Health (NIH), Bethesda, MD 20892.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7684163" target="_blank"〉PubMed〈/a〉
    Keywords: AIDS Vaccines/therapeutic use ; Acquired Immunodeficiency Syndrome/drug therapy/*therapy ; Antiviral Agents/*therapeutic use ; Drug Resistance, Microbial ; Gene Products, tat/antagonists & inhibitors ; Genetic Therapy ; HIV/drug effects ; HIV Infections/drug therapy/*therapy ; HIV Protease Inhibitors/pharmacology/therapeutic use ; Humans ; Immunotherapy ; Reverse Transcriptase Inhibitors ; Treatment Failure ; tat Gene Products, Human Immunodeficiency Virus
    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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  • 24
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    Disappearance of the lymphoid system in Bcl-2 homozygous mutant chimeric mice (1993)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1993-09-17
    Description: The bcl-2 proto-oncogene can prevent the death of many cell types. Mice were generated that were chimeric for the homozygous inactivation of bcl-2. Lymphocytes without Bcl-2 differentiated into phenotypically mature cells. However, in vitro, the mature T cells that lacked Bcl-2 had shorter life-spans and increased sensitivity to glucocorticoids and gamma-irradiation. In contrast, stimulation of CD3 inhibited the death of these cells. T and B cells with no Bcl-2 disappeared from the bone marrow, thymus, and periphery by 4 weeks of age. Thus, Bcl-2 was dispensable for lymphocyte maturation, but was required for a stable immune system after birth.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Nakayama, K -- Negishi, I -- Kuida, K -- Shinkai, Y -- Louie, M C -- Fields, L E -- Lucas, P J -- Stewart, V -- Alt, F W -- AI 15322/AI/NIAID NIH HHS/ -- New York, N.Y. -- Science. 1993 Sep 17;261(5128):1584-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Howard Hughes Medical Institute, Department of Medicine, Washington University School of Medicine, St. Louis, MO 63110.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8372353" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antigens, CD3/immunology ; Apoptosis ; B-Lymphocytes/cytology/*immunology ; Base Sequence ; Bone Marrow/immunology ; Bone Marrow Cells ; Cell Line ; Chimera ; Homozygote ; Humans ; Lymphoid Tissue/cytology/immunology ; Mice ; Mice, Inbred C57BL ; Molecular Sequence Data ; Proto-Oncogene Proteins/genetics/*physiology ; Proto-Oncogene Proteins c-bcl-2 ; Proto-Oncogenes ; Receptors, Antigen, T-Cell/immunology ; T-Lymphocytes/cytology/*immunology
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Microsatellite instability in cancer of the proximal colon (1993)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1993-05-07
    Description: Colorectal tumor DNA was examined for somatic instability at (CA)n repeats on human chromosomes 5q, 15q, 17p, and 18q. Differences between tumor and normal DNA were detected in 25 of the 90 (28 percent) tumors examined. This instability appeared as either a substantial change in repeat length (often heterogeneous in nature) or a minor change (typically two base pairs). Microsatellite instability was significantly correlated with the tumor's location in the proximal colon (P = 0.003), with increased patient survival (P = 0.02), and, inversely, with loss of heterozygosity for chromosomes 5q, 17p, and 18q. These data suggest that some colorectal cancers may arise through a mechanism that does not necessarily involve loss of heterozygosity.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Thibodeau, S N -- Bren, G -- Schaid, D -- CA-15083-18E8.1/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1993 May 7;260(5109):816-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Molecular Genetics Laboratory, Mayo Clinic, Rochester, MN 55905.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8484122" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Aged ; Aged, 80 and over ; Chromosomes, Human, Pair 15 ; Chromosomes, Human, Pair 17 ; Chromosomes, Human, Pair 18 ; Chromosomes, Human, Pair 5 ; Colonic Neoplasms/*genetics ; Colorectal Neoplasms/*genetics ; DNA, Neoplasm/*genetics ; DNA, Satellite/*genetics ; Female ; Heterozygote ; Humans ; Male ; Middle Aged ; *Mutation ; Polymerase Chain Reaction ; Repetitive Sequences, Nucleic Acid
    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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    HHS fumbles ball on AIDS vaccine trial (1993)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1993-07-09
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉New York, N.Y. -- Science. 1993 Jul 9;261(5118):151.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8327883" target="_blank"〉PubMed〈/a〉
    Keywords: AIDS Vaccines/*therapeutic use ; Acquired Immunodeficiency Syndrome/*therapy ; Clinical Trials as Topic ; Financing, Government ; Government Agencies ; Humans ; Recombinant Proteins/therapeutic use ; United States ; United States Dept. of Health and Human Services ; Vaccines, Synthetic/therapeutic use
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    A 'Manhattan project' for AIDS? (1993)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1993-02-19
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cohen, J -- New York, N.Y. -- Science. 1993 Feb 19;259(5098):1112-4.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8438161" target="_blank"〉PubMed〈/a〉
    Keywords: *Acquired Immunodeficiency Syndrome/economics ; *Hiv ; Humans ; National Institutes of Health (U.S.) ; *Research ; Research Support as Topic ; United States
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 28
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    Genome maps IV 1993. Wall chart (1993)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1993-10-01
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Copeland, N G -- Gilbert, D J -- Jenkins, N A -- Nadeau, J H -- Eppig, J T -- Maltais, L J -- Miller, J C -- Dietrich, W F -- Steen, R G -- Lincoln, S E -- New York, N.Y. -- Science. 1993 Oct 1;262(5130):67-82.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉National Cancer Institute, Frederick MD.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8211131" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Chromosome Mapping ; Genetic Markers ; *Genome ; Genome, Human ; Humans ; Mice/*genetics ; Mice, Inbred Strains/genetics ; Sequence Homology, Nucleic Acid
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 29
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    New Alzheimer's therapy suggested (1993)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1993-06-18
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Schnabel, J -- New York, N.Y. -- Science. 1993 Jun 18;260(5115):1719-20.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8323582" target="_blank"〉PubMed〈/a〉
    Keywords: Alzheimer Disease/*drug therapy/etiology/pathology ; Amyloid/biosynthesis ; Anti-Inflammatory Agents, Non-Steroidal/*therapeutic use ; Brain/pathology ; Humans ; Indomethacin/*therapeutic use ; Inflammation ; Neuroglia/physiology ; Pilot Projects
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  • 30
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    Carbon monoxide: killer to brain messenger in one step (1993)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1993-01-15
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Barinaga, M -- New York, N.Y. -- Science. 1993 Jan 15;259(5093):309.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8093563" target="_blank"〉PubMed〈/a〉
    Keywords: Brain/*physiology ; Carbon Monoxide/*metabolism ; Cyclic GMP/metabolism ; Heme Oxygenase (Decyclizing)/metabolism ; Humans ; Neurotransmitter Agents/*metabolism
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    A genetic linkage map of the mouse: current applications and future prospects (1993)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1993-10-01
    Description: Technological advances have made possible the development of high-resolution genetic linkage maps for the mouse. These maps in turn offer exciting prospects for understanding mammalian genome evolution through comparative mapping, for developing mouse models of human disease, and for identifying the function of all genes in the organism.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Copeland, N G -- Jenkins, N A -- Gilbert, D J -- Eppig, J T -- Maltais, L J -- Miller, J C -- Dietrich, W F -- Weaver, A -- Lincoln, S E -- Steen, R G -- HG00198/HG/NHGRI NIH HHS/ -- N01-CO-74101/CO/NCI NIH HHS/ -- New York, N.Y. -- Science. 1993 Oct 1;262(5130):57-66.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉ABL-Basic Research Program, National Cancer Institute-Frederick Cancer Research and Development Center, MD 21702.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8211130" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Biological Evolution ; *Chromosome Mapping ; Cloning, Molecular ; Crosses, Genetic ; Female ; Genetic Markers ; *Genome ; Human Genome Project ; Humans ; Male ; Mice/*genetics ; Multigene Family ; Muridae/*genetics ; Mutation ; Neoplasms/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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  • 32
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    Agencies spar over vaccine trial (1993)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1993-02-05
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cohen, J -- New York, N.Y. -- Science. 1993 Feb 5;259(5096):752-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8430324" target="_blank"〉PubMed〈/a〉
    Keywords: AIDS Vaccines/economics/*therapeutic use ; Acquired Immunodeficiency Syndrome/economics/immunology/*therapy ; Antigens, CD4/analysis ; Government Agencies ; HIV Infections/economics/immunology/*therapy ; Humans ; Military Medicine ; National Institutes of Health (U.S.) ; Research Support as Topic ; United States ; United States Food and Drug Administration
    Print ISSN: 0036-8075
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  • 33
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    Cloning of B7-2: a CTLA-4 counter-receptor that costimulates human T cell proliferation (1993)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1993-11-05
    Description: Although presentation of antigen to the T cell receptor is necessary for the initiation of an immune response, additional molecules expressed on antigen-presenting cells deliver essential costimulatory signals. T cell activation, in the absence of costimulation, results in T cell anergy. The B7-1 protein is a costimulator molecule that regulates interleukin-2 (IL-2) secretion by signaling through the pathway that uses CD28 and CTLA-4 (hereafter referred to as the CD28 pathway). We have cloned a counter-receptor of CD28 and CTLA-4, termed B7-2. Although only 26 percent identical to B7-1, B7-2 also costimulates IL-2 production and T cell proliferation. Unlike B7-1, B7-2 messenger RNA is constitutively expressed in unstimulated B cells. It is likely that B7-2 provides a critical early costimulatory signal determining if the T cell will contribute to an immune response or become anergic.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Freeman, G J -- Gribben, J G -- Boussiotis, V A -- Ng, J W -- Restivo, V A Jr -- Lombard, L A -- Gray, G S -- Nadler, L M -- CA 40216/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1993 Nov 5;262(5135):909-11.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Division of Hematologic Malignancies, Dana-Farber Cancer Institute.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7694363" target="_blank"〉PubMed〈/a〉
    Keywords: Abatacept ; Amino Acid Sequence ; Animals ; *Antigens, CD ; Antigens, CD28/metabolism ; Antigens, CD80/chemistry/genetics/*immunology/metabolism ; Antigens, CD86 ; Antigens, Differentiation/*metabolism ; B-Lymphocytes/*immunology/metabolism ; CTLA-4 Antigen ; Cell Line ; *Cloning, Molecular ; DNA, Complementary/genetics ; Humans ; *Immunoconjugates ; *Lymphocyte Activation ; *Membrane Glycoproteins ; Molecular Sequence Data ; Sequence Alignment ; Signal Transduction ; T-Lymphocytes/*immunology
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  • 34
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    New AIDS drug leaps over the counter (1993)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1993-07-23
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉New York, N.Y. -- Science. 1993 Jul 23;261(5120):422-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8332905" target="_blank"〉PubMed〈/a〉
    Keywords: Aspirin/*therapeutic use ; HIV Infections/*drug therapy ; Humans
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  • 35
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    HHS: Gallo guilty of misconduct (1993)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1993-01-08
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cohen, J -- New York, N.Y. -- Science. 1993 Jan 8;259(5092):168-70.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8380653" target="_blank"〉PubMed〈/a〉
    Keywords: Acquired Immunodeficiency Syndrome/*microbiology ; *Biomedical Research ; Federal Government ; *Government Regulation ; *HIV/growth & development/isolation & purification ; History, 20th Century ; Humans ; *Scientific Misconduct ; United States ; United States Office of Research Integrity ; Virus Cultivation
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  • 36
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    AIDS 1993: unanswered questions (1993)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1993-05-28
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Jasny, B R -- New York, N.Y. -- Science. 1993 May 28;260(5112):1219.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8493558" target="_blank"〉PubMed〈/a〉
    Keywords: AIDS Vaccines ; AIDS-Related Opportunistic Infections/drug therapy ; *Acquired Immunodeficiency Syndrome/immunology/microbiology/therapy ; Antiviral Agents/pharmacology/therapeutic use ; HIV/drug effects/physiology ; Humans
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Structure of the thiamine- and flavin-dependent enzyme pyruvate oxidase (1993)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1993-02-12
    Description: Pyruvate oxidase from Lactobacillus plantarum is a tetrameric enzyme that decarboxylates pyruvate, producing hydrogen peroxide and the energy-storage metabolite acetylphosphate. Structure determination at 2.1 angstroms showed that the cofactors thiamine pyrophosphate (TPP) and flavin adenine dinucleotide (FAD) are bound at the carboxyl termini of six-stranded parallel beta sheets. The pyrophosphate moiety of TPP is bound to a metal ion and to a beta alpha alpha beta unit corresponding to an established sequence fingerprint. The spatial arrangement of TPP and FAD suggests that the oxidation of the oxyethyl intermediate does not occur by hydride displacement but rather by a two-step transfer of two electrons.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Muller, Y A -- Schulz, G E -- New York, N.Y. -- Science. 1993 Feb 12;259(5097):965-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institut fur Organische Chemie und Biochemie, Albert-Ludwigs-Universitat, Freiburg, Germany.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8438155" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Binding Sites ; Chemistry, Physical ; Crystallization ; Flavin-Adenine Dinucleotide/metabolism/*pharmacology ; Lactobacillus/*enzymology ; Macromolecular Substances ; Molecular Sequence Data ; Molecular Structure ; Physicochemical Phenomena ; Protein Structure, Secondary ; Pyruvate Oxidase/*chemistry/metabolism ; Thiamine Pyrophosphate/metabolism/*pharmacology ; X-Ray Diffraction
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    The basic science of gene therapy (1993)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1993-05-14
    Description: The development over the past decade of methods for delivering genes to mammalian cells has stimulated great interest in the possibility of treating human disease by gene-based therapies. However, despite substantial progress, a number of key technical issues need to be resolved before gene therapy can be safely and effectively applied in the clinic. Future technological developments, particularly in the areas of gene delivery and cell transplantation, will be critical for the successful practice of gene therapy.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Mulligan, R C -- New York, N.Y. -- Science. 1993 May 14;260(5110):926-32.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Whitehead Institute for Biomedical Research, Massachusetts Institute of Technology, Cambridge 02142.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8493530" target="_blank"〉PubMed〈/a〉
    Keywords: Adenoviridae/genetics ; Animals ; *Genetic Therapy ; Genetic Vectors ; Hematologic Diseases/therapy ; Hematopoietic Stem Cells ; Humans ; Liver Diseases/therapy ; Lung Diseases/therapy ; Neoplasms/therapy ; Retroviridae/genetics ; Tissue Transplantation ; *Transfection ; Viruses/genetics
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    National Institutes of Health. Gene therapists jump ship (1993)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1993-01-15
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Thompson, L -- New York, N.Y. -- Science. 1993 Jan 15;259(5093):303.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8419999" target="_blank"〉PubMed〈/a〉
    Keywords: *Genetic Therapy/history ; History, 20th Century ; Humans ; *National Institutes of Health (U.S.)/history ; *Research/history ; United States
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  • 40
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    AI helps researchers find meaning in molecules (1993)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1993-08-13
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Freedman, D -- New York, N.Y. -- Science. 1993 Aug 13;261(5123):844-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8346437" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; *Artificial Intelligence ; Base Sequence ; Collagen/chemistry/genetics/physiology ; DNA/chemistry/genetics ; Humans ; Molecular Sequence Data ; Mutation ; *Protein Structure, Secondary ; *Protein Structure, Tertiary ; *Sequence Analysis, DNA ; Software
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  • 41
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    Nucleosome disruption by transcription factor binding in yeast (1993)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1993-12-03
    Description: Studies in vivo and in vitro have shown that the packaging of DNA into chromatin can affect gene expression. Here, binding of the yeast transcriptional activator GAL4 to DNA in chromatin has been investigated in vivo with a yeast episome. A positioned nucleosome that is present in cells grown in glucose and contains a single GAL4 binding site is disrupted by GAL4 binding in galactose. GAL4 can also bind to DNA in chromatin when the carboxyl-terminal activation domain of GAL4 is either masked by GAL80 or is absent. These results show that a transcription factor can bind to its site in vivo in what would appear to be a repressive chromatin structure.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Morse, R H -- New York, N.Y. -- Science. 1993 Dec 3;262(5139):1563-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratory of Cellular and Developmental Biology, National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Bethesda, MD 20892.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8248805" target="_blank"〉PubMed〈/a〉
    Keywords: Base Sequence ; Binding Sites ; DNA-Binding Proteins/*metabolism ; Fungal Proteins/*metabolism ; Galactose/metabolism ; Glucose/metabolism ; Molecular Sequence Data ; Nucleosomes/*metabolism ; Plasmids ; Recombinant Fusion Proteins/metabolism ; Saccharomyces cerevisiae/*metabolism ; *Saccharomyces cerevisiae Proteins ; Transcription Factors/*metabolism
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    Human genome program. Healy and Collins strike a deal (1993)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1993-01-01
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Thompson, L -- New York, N.Y. -- Science. 1993 Jan 1;259(5091):22-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8418490" target="_blank"〉PubMed〈/a〉
    Keywords: Government Agencies ; Human Genome Project/*organization & administration ; Humans ; National Institutes of Health (U.S.) ; United States
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    A new five-year plan for the U.S. Human Genome Project (1993)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1993-10-01
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Collins, F -- Galas, D -- New York, N.Y. -- Science. 1993 Oct 1;262(5130):43-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉National Center for Human Genome Research, National Institutes of Health, Bethesda, MD 20892.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8211127" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Biomedical Research ; Chromosome Mapping ; Ethics, Medical ; Federal Government ; Financing, Government ; Genetic Diseases, Inborn ; Genetic Markers ; Genetic Techniques ; Government Agencies ; *Human Genome Project/economics/legislation & jurisprudence ; Humans ; Industry ; International Cooperation ; Internationality ; Mice ; National Institutes of Health (U.S.) ; Research ; Sequence Analysis, DNA ; United States
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  • 44
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    Generation of allospecific natural killer cells by stimulation across a polymorphism of HLA-C (1993)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1993-05-21
    Description: The cytotoxicity of human natural killer (NK) cells is modulated by the major histocompatibility complex human leukocyte antigen (HLA)-C molecules on the surface of the target cell. Alloreactive NK cells specific for the NK-1 alloantigen could be reproducibly generated from individuals that were homozygous for HLA-C with asparagine at residue 77 and lysine at residue 80 [HLA-C(Asn77,Lys80)] by stimulation with target cells that were homozygous for HLA-C(Ser77,Asn80); the reciprocal stimulation yielded NK cells specific for the NK-2 alloantigen. However, neither homozygous target cell stimulated the generation of alloreactive NK cells from heterozygous individuals. Thus, these data reveal an unanticipated difference between human NK alloreactivity defined by this system and murine "hybrid resistance."〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Colonna, M -- Brooks, E G -- Falco, M -- Ferrara, G B -- Strominger, J L -- CA 47554/CA/NCI NIH HHS/ -- KO8 AI01064/AI/NIAID NIH HHS/ -- New York, N.Y. -- Science. 1993 May 21;260(5111):1121-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratory of Immunogenetics, Istituto Nazionale per la Ricerca sul Cancro, Genoa, Italy.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8493555" target="_blank"〉PubMed〈/a〉
    Keywords: Alleles ; Animals ; Base Sequence ; Cell Line ; *Cytotoxicity, Immunologic ; Genotype ; HLA-C Antigens/genetics/*immunology ; Heterozygote ; Homozygote ; Humans ; Isoantigens/*immunology ; Killer Cells, Natural/*immunology ; Mice ; Molecular Sequence Data ; Oligodeoxyribonucleotides ; Polymorphism, Genetic
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  • 45
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    Altered fluid transport across airway epithelium in cystic fibrosis (1993)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1993-10-15
    Description: In cystic fibrosis (CF), absence or dysfunction of a phosphorylation-regulated chloride channel [CF transmembrane conductance regulator (CFTR)] leads to the loss or reduction of chloride secretion into the airways. Active sodium absorption is also increased in CF, and both of these ion transport changes could alter fluid transport across the airways. Under baseline conditions, cultured human airway epithelia from normal individuals absorbed fluid, and this absorption was increased in epithelia from patients with CF. In normal and CF epithelial cultures fluid absorption was inhibited by amiloride. Adenosine 3',5'-monophosphate stimulated fluid secretion in normal epithelial cultures but not in cultures from individuals with CF. In contrast, fluid secretion induced by nucleotide triphosphates (uridine triphosphate or adenosine triphosphate) was unaltered in cultures of epithelia from patients with CF, suggesting an approach to the treatment of CF.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Jiang, C -- Finkbeiner, W E -- Widdicombe, J H -- McCray, P B Jr -- Miller, S S -- HL 42368/HL/NHLBI NIH HHS/ -- New York, N.Y. -- Science. 1993 Oct 15;262(5132):424-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Molecular and Cell Biology, University of California, Berkeley 94720.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8211164" target="_blank"〉PubMed〈/a〉
    Keywords: Absorption ; Adenosine Triphosphate/pharmacology ; Adolescent ; Adult ; Amiloride/pharmacology ; Body Fluids/*metabolism ; Cells, Cultured ; Cyclic AMP/pharmacology ; Cystic Fibrosis/*metabolism ; Epithelial Cells ; Epithelium/metabolism ; Female ; Humans ; Male ; Middle Aged ; Nasal Mucosa/cytology/*metabolism ; Sodium/metabolism ; Sodium Channels/metabolism ; Trachea/cytology/*metabolism ; Uridine Triphosphate/pharmacology
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    Mineralocorticoids, glucocorticoids, receptors and response elements (1993)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1993-02-19
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Funder, J W -- New York, N.Y. -- Science. 1993 Feb 19;259(5098):1132-3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Baker Medical Research Institute, Prahran, Victoria, Australia.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8382375" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Base Sequence ; Binding Sites ; DNA/*metabolism ; DNA-Binding Proteins/*metabolism ; Gene Expression Regulation ; Glucocorticoids/*physiology ; Mineralocorticoids/*physiology ; Models, Biological ; Molecular Sequence Data ; Receptors, Glucocorticoid/*metabolism ; Receptors, Mineralocorticoid ; Receptors, Steroid/*metabolism ; *Transcription, Genetic
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  • 47
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    Distinct functions of SR proteins in alternative pre-mRNA splicing (1993)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1993-04-09
    Description: Alternative splicing of precursor messenger RNAs (pre-mRNAs) is a common mechanism of regulating gene expression. SR proteins are a family of pre-mRNA splicing factors that are structurally related and evolutionarily conserved. Any member of the SR family can complement a splicing-deficient extract that lacks the entire family of SR proteins. Here it is demonstrated that particular SR proteins have distinct functions in alternative pre-mRNA splicing in vitro. In addition, SR proteins are differentially expressed in a variety of tissues. These results suggest a fundamental role for SR proteins in the regulation of alternative splicing.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Zahler, A M -- Neugebauer, K M -- Lane, W S -- Roth, M B -- 42786-02/PHS HHS/ -- New York, N.Y. -- Science. 1993 Apr 9;260(5105):219-22.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Division of Basic Sciences, 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/8385799" target="_blank"〉PubMed〈/a〉
    Keywords: *Alternative Splicing ; Amino Acid Sequence ; Cell Extracts ; HeLa Cells ; Humans ; Molecular Sequence Data ; RNA Precursors/*genetics ; RNA Splicing ; RNA, Viral/genetics ; RNA-Binding Proteins/*physiology ; Simian virus 40/genetics
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    HTLV-1 provirus and mycosis fungoides (1993)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1993-03-05
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bazarbachi, A -- Saal, F -- Laroche, L -- Flageul, B -- Peries, J -- de The, H -- New York, N.Y. -- Science. 1993 Mar 5;259(5100):1470-1.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8451646" target="_blank"〉PubMed〈/a〉
    Keywords: *Genes, Viral ; Genetic Markers ; Human T-lymphotropic virus 1/genetics/*isolation & purification ; Humans ; Mycosis Fungoides/*microbiology ; Oligodeoxyribonucleotides ; Polymerase Chain Reaction/methods ; Sezary Syndrome/*microbiology ; Skin Neoplasms/*microbiology
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    Bioinorganic chemistry: a maturing frontier (1993)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1993-08-06
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lippard, S J -- New York, N.Y. -- Science. 1993 Aug 6;261(5122):699-700.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Chemistry, Massachusetts Institute of Technology, Cambridge 02139.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8342037" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Chemistry, Bioinorganic ; Enzymes/metabolism ; Humans ; Indicators and Reagents ; *Metalloproteins/physiology ; *Metals/metabolism ; Oxidation-Reduction ; RNA, Catalytic/metabolism
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    Structure of DNA polymerase I Klenow fragment bound to duplex DNA (1993)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1993-04-16
    Description: Klenow fragment of Escherichia coli DNA polymerase I, which was cocrystallized with duplex DNA, positioned 11 base pairs of DNA in a groove that lies at right angles to the cleft that contains the polymerase active site and is adjacent to the 3' to 5' exonuclease domain. When the fragment bound DNA, a region previously referred to as the "disordered domain" became more ordered and moved along with two helices toward the 3' to 5' exonuclease domain to form the binding groove. A single-stranded, 3' extension of three nucleotides bound to the 3' to 5' exonuclease active site. Although this cocrystal structure appears to be an editing complex, it suggests that the primer strand approaches the catalytic site of the polymerase from the direction of the 3' to 5' exonuclease domain and that the duplex DNA product may bend to enter the cleft that contains the polymerase catalytic site.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Beese, L S -- Derbyshire, V -- Steitz, T A -- GM28550/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1993 Apr 16;260(5106):352-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Molecular Biophysics and Biochemistry, Yale University, New Haven, CT 06511.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8469987" target="_blank"〉PubMed〈/a〉
    Keywords: Base Sequence ; Binding Sites ; Crystallization ; DNA/chemistry/*metabolism ; DNA Polymerase I/*chemistry/metabolism ; DNA Replication ; DNA, Single-Stranded/chemistry/metabolism ; Escherichia coli/*enzymology ; Models, Molecular ; Molecular Sequence Data ; Protein Conformation ; Templates, Genetic
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    Cloning the differences between two complex genomes (1993)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1993-02-12
    Description: The analysis of the differences between two complex genomes holds promise for the discovery of infectious agents and probes useful for genetic studies. A system was developed in which subtractive and kinetic enrichment was used to purify restriction endonuclease fragments present in one population of DNA fragments but not in another. Application of this method to DNA populations of reduced complexity ("representations") resulted in the isolation of probes to viral genomes present as single copies in human DNA, and probes that detect polymorphisms between two individuals. In principle, this system, called representational difference analysis (RDA), may also be used for isolating probes linked to sites of genomic rearrangements, whether occurring spontaneously and resulting in genetic disorders or cancer, or programmed during differentiation and development.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lisitsyn, N -- Wigler, M -- New York, N.Y. -- Science. 1993 Feb 12;259(5097):946-51.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Cold Spring Harbor Laboratory, NY 11724.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8438152" target="_blank"〉PubMed〈/a〉
    Keywords: Adenoviridae/genetics ; Bacteriophage lambda/genetics ; Base Sequence ; *Cloning, Molecular ; DNA/*chemistry ; DNA Probes ; DNA, Viral ; Female ; Gene Deletion ; Genetic Diseases, Inborn/genetics ; Humans ; Male ; Molecular Sequence Data ; Neoplasms/genetics ; Nucleic Acid Hybridization/methods ; Polymerase Chain Reaction ; Polymorphism, Genetic ; Sequence Homology, Nucleic Acid
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    White House wins an AIDS czarina (1993)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1993-07-09
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉New York, N.Y. -- Science. 1993 Jul 9;261(5118):158.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8327888" target="_blank"〉PubMed〈/a〉
    Keywords: *Acquired Immunodeficiency Syndrome ; *Health Policy ; History, 20th Century ; Humans ; Research ; United States
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    AIDS research. Reorganization plan draws fire at NIH (1993)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1993-02-05
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cohen, J -- New York, N.Y. -- Science. 1993 Feb 5;259(5096):753-4.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8430325" target="_blank"〉PubMed〈/a〉
    Keywords: *Acquired Immunodeficiency Syndrome/economics ; Humans ; National Institutes of Health (U.S.) ; Politics ; *Research ; Research Support as Topic ; United States ; United States Dept. of Health and Human Services
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    Fusion between transcription factor CBF beta/PEBP2 beta and a myosin heavy chain in acute myeloid leukemia (1993)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1993-08-20
    Description: The pericentric inversion of chromosome 16 [inv(16)(p13q22)] is a characteristic karyotypic abnormality associated with acute myeloid leukemia, most commonly of the M4Eo subtype. The 16p and 16q breakpoints were pinpointed by yeast artificial chromosome and cosmid cloning, and the two genes involved in this inversion were identified. On 16q the inversion occurred near the end of the coding region for CBF beta, also known as PEBP2 beta, a subunit of a heterodimeric transcription factor regulating genes expressed in T cells; on 16p a smooth muscle myosin heavy chain (SMMHC) gene (MYH11) was interrupted. In six of six inv(16) patient samples tested, an in-frame fusion messenger RNA was demonstrated that connected the first 165 amino acids of CBF beta with the tail region of SMMHC. The repeated coiled coil of SMMHC may result in dimerization of the CBF beta fusion protein, which in turn would lead to alterations in transcriptional regulation and contribute to leukemic transformation.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Liu, P -- Tarle, S A -- Hajra, A -- Claxton, D F -- Marlton, P -- Freedman, M -- Siciliano, M J -- Collins, F S -- CA55164/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1993 Aug 20;261(5124):1041-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Howard Hughes Medical Institute, Department of Internal Medicine, University of Michigan Medical Center, Ann Arbor 48109.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8351518" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Base Sequence ; *Chromosome Inversion ; *Chromosomes, Human, Pair 16 ; Cloning, Molecular ; Core Binding Factor Alpha 1 Subunit ; Core Binding Factor beta Subunit ; Core Binding Factors ; Cosmids ; DNA-Binding Proteins/*genetics ; Humans ; In Situ Hybridization, Fluorescence ; Leukemia, Myelomonocytic, Acute/*genetics ; Molecular Sequence Data ; Muscle, Smooth/chemistry ; Myosins/*genetics ; *Neoplasm Proteins ; Polymerase Chain Reaction ; Protein Multimerization ; Restriction Mapping ; Transcription Factor AP-2 ; Transcription Factors/*genetics
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    Genetic identification of a hantavirus associated with an outbreak of acute respiratory illness (1993)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1993-11-05
    Description: A mysterious respiratory illness with high mortality was recently reported in the southwestern United States. Serologic studies implicated the hantaviruses, rodent-borne RNA viruses usually associated elsewhere in the world with hemorrhagic fever with renal syndrome. A genetic detection assay amplified hantavirus-specific DNA fragments from RNA extracted from the tissues of patients and deer mice (Peromyscus maniculatus) caught at or near patient residences. Nucleotide sequence analysis revealed the associated virus to be a new hantavirus and provided a direct genetic link between infection in patients and rodents.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Nichol, S T -- Spiropoulou, C F -- Morzunov, S -- Rollin, P E -- Ksiazek, T G -- Feldmann, H -- Sanchez, A -- Childs, J -- Zaki, S -- Peters, C J -- New York, N.Y. -- Science. 1993 Nov 5;262(5135):914-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Division of Viral and Rickettsial Diseases, Centers for Disease Control and Prevention, Atlanta, GA 30333.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8235615" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Base Sequence ; Bunyaviridae Infections/epidemiology/*microbiology/veterinary ; DNA Primers ; *Disease Outbreaks ; *Disease Reservoirs ; *Genome, Viral ; Hantavirus/classification/*genetics/isolation & purification ; Humans ; Lung Diseases/epidemiology/*microbiology ; Molecular Sequence Data ; Peromyscus/*microbiology ; Phylogeny ; Polymerase Chain Reaction ; Rodent Diseases/epidemiology/microbiology ; Sequence Homology, Nucleic Acid ; Southwestern United States/epidemiology
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    A third recognition element in bacterial promoters: DNA binding by the alpha subunit of RNA polymerase (1993)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1993-11-26
    Description: A DNA sequence rich in (A+T), located upstream of the -10, -35 region of the Escherichia coli ribosomal RNA promoter rrnB P1 and called the UP element, stimulates transcription by a factor of 30 in vivo, as well as in vitro in the absence of protein factors other than RNA polymerase (RNAP). When fused to other promoters, such as lacUV5, the UP element also stimulates transcription, indicating that it is a separate promoter module. Mutations in the carboxyl-terminal region of the alpha subunit of RNAP prevent stimulation of these promoters by the UP element although the mutant enzymes are effective in transcribing the "core" promoters (those lacking the UP element). Protection of UP element DNA by the mutant RNAPs is severely reduced in footprinting experiments, suggesting that the selective decrease in transcription might result from defective interactions between alpha and the UP element. Purified alpha binds specifically to the UP element, confirming that alpha acts directly in promoter recognition. Transcription of three other promoters was also reduced by the COOH-terminal alpha mutations. These results suggest that UP elements comprise a third promoter recognition region (in addition to the -10, -35 recognition hexamers, which interact with the sigma subunit) and may account for the presence of (A+T)-rich DNA upstream of many prokaryotic promoters. Since the same alpha mutations also block activation by some transcription factors, mechanisms of promoter stimulation by upstream DNA elements and positive control by certain transcription factors may be related.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ross, W -- Gosink, K K -- Salomon, J -- Igarashi, K -- Zou, C -- Ishihama, A -- Severinov, K -- Gourse, R L -- AI90035/AI/NIAID NIH HHS/ -- GM49242/GM/NIGMS NIH HHS/ -- R01 GM37048/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1993 Nov 26;262(5138):1407-13.〈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/8248780" target="_blank"〉PubMed〈/a〉
    Keywords: Base Sequence ; Binding Sites ; Carrier Proteins/metabolism ; DNA, Bacterial/*metabolism ; DNA-Binding Proteins/metabolism ; DNA-Directed RNA Polymerases/*metabolism ; Escherichia coli/enzymology/*genetics ; *Escherichia coli Proteins ; Integration Host Factors ; Molecular Sequence Data ; *Promoter Regions, Genetic ; Transcription Factors/metabolism ; Transcription, Genetic ; *rRNA Operon
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    Identification of the von Hippel-Lindau disease tumor suppressor gene (1993)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1993-05-28
    Description: A gene discovered by positional cloning has been identified as the von Hippel-Lindau (VHL) disease tumor suppressor gene. A restriction fragment encompassing the gene showed rearrangements in 28 of 221 VHL kindreds. Eighteen of these rearrangements were due to deletions in the candidate gene, including three large nonoverlapping deletions. Intragenic mutations were detected in cell lines derived from VHL patients and from sporadic renal cell carcinomas. The VHL gene is evolutionarily conserved and encodes two widely expressed transcripts of approximately 6 and 6.5 kilobases. The partial sequence of the inferred gene product shows no homology to other proteins, except for an acidic repeat domain found in the procyclic surface membrane glycoprotein of Trypanosoma brucei.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Latif, F -- Tory, K -- Gnarra, J -- Yao, M -- Duh, F M -- Orcutt, M L -- Stackhouse, T -- Kuzmin, I -- Modi, W -- Geil, L -- New York, N.Y. -- Science. 1993 May 28;260(5112):1317-20.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratory of Immunobiology, National Cancer Institute-Frederick Cancer Research and Development Center (NCI-FCRDC), Frederick, MD 21702-1201.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8493574" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Base Sequence ; Carcinoma, Renal Cell/genetics ; Chromosomes, Human, Pair 3 ; Cloning, Molecular ; Gene Deletion ; *Genes, Tumor Suppressor ; Humans ; Kidney Neoplasms/genetics ; Membrane Glycoproteins/chemistry/*genetics ; Molecular Sequence Data ; Mutation ; Open Reading Frames ; Pedigree ; Polymorphism, Genetic ; Tumor Cells, Cultured ; von Hippel-Lindau Disease/*genetics
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    Hantavirus pulmonary syndrome: an emerging infectious disease (1993)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1993-11-05
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hughes, J M -- Peters, C J -- Cohen, M L -- Mahy, B W -- New York, N.Y. -- Science. 1993 Nov 5;262(5135):850-1.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉National Center for Infectious Diseases, U.S. Department of Health and Human Services, Atlanta, GA 30333.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8235607" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Bunyaviridae Infections/*epidemiology/microbiology/therapy ; *Disease Outbreaks ; Disease Reservoirs ; Hantavirus/*isolation & purification ; Humans ; Lung Diseases/*epidemiology/microbiology/therapy ; Peromyscus/*microbiology ; Pulmonary Edema ; Southwestern United States/epidemiology ; United States/epidemiology
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    A mechanism for virilization of female spotted hyenas in utero (1993)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1993-06-25
    Description: Female spotted hyenas exhibit male-like genitalia and dominance over males. Hyena ovarian tissues incubated in vitro produced large quantities of the steroid hormone precursor androstenedione. The activity of aromatase, which converts androstenedione to estrogen, was one-twentieth as great in hyena versus human placental homogenates. In comparison, the activity of 17 beta-hydroxysteroid dehydrogenase, which converts androstenedione to testosterone, was equal in the two homogenates. The limited aromatase activity may allow the hyena placenta to convert high circulating concentrations of androstenedione to testosterone, which results in virilization of the fetal external genitalia and possibly destruction of fetal ovarian follicles. Androstenedione production by residual ovarian stromal cells during reproductive life accounts for the epigenetic transmission of virilization in female spotted hyenas.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Yalcinkaya, T M -- Siiteri, P K -- Vigne, J L -- Licht, P -- Pavgi, S -- Frank, L G -- Glickman, S E -- CA-39825/CA/NCI NIH HHS/ -- MH-39917/MH/NIMH NIH HHS/ -- New York, N.Y. -- Science. 1993 Jun 25;260(5116):1929-31.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Obstetrics, Gynecology, 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/8391165" target="_blank"〉PubMed〈/a〉
    Keywords: 17-Hydroxysteroid Dehydrogenases/metabolism ; Animals ; Aromatase/*metabolism ; Carnivora/embryology/*metabolism ; Corpus Luteum/metabolism ; Estradiol/biosynthesis ; Female ; Humans ; In Vitro Techniques ; Luteinizing Hormone/pharmacology ; Male ; Ovary/*metabolism ; Placenta/enzymology/*metabolism ; Pregnancy ; Progesterone/biosynthesis ; *Sex Differentiation ; Testosterone/*biosynthesis
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    A Manhattan Project by any other name (1993)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1993-08-13
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉New York, N.Y. -- Science. 1993 Aug 13;261(5123):827.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8346433" target="_blank"〉PubMed〈/a〉
    Keywords: *Acquired Immunodeficiency Syndrome ; Humans ; *Research ; United States
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    AIDS the unanswered questions: four European researchers (1993)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1993-05-28
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cohen, J -- New York, N.Y. -- Science. 1993 May 28;260(5112):1263-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8493569" target="_blank"〉PubMed〈/a〉
    Keywords: *AIDS Vaccines ; *Acquired Immunodeficiency Syndrome/immunology/microbiology ; HIV/genetics/immunology ; Humans ; *Research
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    Army to test only MicroGeneSys vaccine (1993)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1993-08-13
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉New York, N.Y. -- Science. 1993 Aug 13;261(5123):819.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8346429" target="_blank"〉PubMed〈/a〉
    Keywords: AIDS Vaccines/*therapeutic use ; Acquired Immunodeficiency Syndrome/therapy ; Clinical Trials as Topic ; Financing, Government ; Government Agencies ; HIV/immunology ; Humans ; *Military Medicine ; Recombinant Proteins/therapeutic use ; United States ; United States Dept. of Health and Human Services ; Vaccines, Synthetic/therapeutic use
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    Structure of the regulatory complex of Escherichia coli IIIGlc with glycerol kinase (1993)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1993-01-29
    Description: The phosphocarrier protein IIIGlc is an integral component of the bacterial phosphotransferase (PTS) system. Unphosphorylated IIIGlc inhibits non-PTS carbohydrate transport systems by binding to diverse target proteins. The crystal structure at 2.6 A resolution of one of the targets, glycerol kinase (GK), in complex with unphosphorylated IIIGlc, glycerol, and adenosine diphosphate was determined. GK contains a region that is topologically identical to the adenosine triphosphate binding domains of hexokinase, the 70-kD heat shock cognate, and actin. IIIGlc binds far from the catalytic site of GK, indicating that long-range conformational changes mediate the inhibition of GK by IIIGlc. GK and IIIGlc are bound by hydrophobic and electrostatic interactions, with only one hydrogen bond involving an uncharged group. The phosphorylation site of IIIGlc, His90, is buried in a hydrophobic environment formed by the active site region of IIIGlc and a 3(10) helix of GK, suggesting that phosphorylation prevents IIIGlc binding to GK by directly disrupting protein-protein interactions.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hurley, J H -- Faber, H R -- Worthylake, D -- Meadow, N D -- Roseman, S -- Pettigrew, D W -- Remington, S J -- 5-R37 GM38759/GM/NIGMS NIH HHS/ -- GM 42618-01A1/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1993 Jan 29;259(5095):673-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institute of Molecular Biology, University of Oregon, Eugene 97403.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8430315" target="_blank"〉PubMed〈/a〉
    Keywords: Adenosine Diphosphate/metabolism ; Amino Acid Sequence ; Binding Sites ; Escherichia coli/*enzymology ; Escherichia coli Proteins ; Glycerol Kinase/*chemistry/*metabolism ; Hydrogen Bonding ; Models, Molecular ; Models, Structural ; Phosphoenolpyruvate Sugar Phosphotransferase System/*chemistry/*metabolism ; *Protein Structure, Secondary
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    Association of the APC gene product with beta-catenin (1993)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1993-12-10
    Description: Mutations in the human APC gene are linked to familial adenomatous polyposis and to the progression of sporadic colorectal and gastric tumors. To gain insight into APC function, APC-associated proteins were identified by immunoprecipitation experiments. Antibodies to APC precipitated a 95-kilodalton protein that was purified and identified by sequencing as beta-catenin, a protein that binds to the cell adhesion molecule E-cadherin. An antibody specific to beta-catenin also recognized the 95-kilodalton protein in the immunoprecipitates. These results suggest that APC is involved in cell adhesion.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Rubinfeld, B -- Souza, B -- Albert, I -- Muller, O -- Chamberlain, S H -- Masiarz, F R -- Munemitsu, S -- Polakis, P -- New York, N.Y. -- Science. 1993 Dec 10;262(5140):1731-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Onyx Pharmaceuticals, Richmond, CA 94806.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8259518" target="_blank"〉PubMed〈/a〉
    Keywords: Adenomatous Polyposis Coli Protein ; Amino Acid Sequence ; Antibodies ; Cadherins/*metabolism ; Cell Adhesion ; Cell Line ; Colonic Neoplasms/genetics/*metabolism ; Cytoskeletal Proteins/chemistry/isolation & purification/*metabolism ; *Genes, APC ; Humans ; Molecular Sequence Data ; Neoplasm Proteins/genetics/immunology/*metabolism ; Precipitin Tests ; *Trans-Activators ; Tumor Cells, Cultured ; beta Catenin
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    Alterations of a zinc finger-encoding gene, BCL-6, in diffuse large-cell lymphoma (1993)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1993-10-29
    Description: The molecular pathogenesis of diffuse large-cell lymphoma (DLCL), the most frequent and clinically relevant type of lymphoma, is unknown. A gene was cloned from chromosomal translocations affecting band 3q27, which are common in DLCL. This gene, BCL-6, codes for a 79-kilodalton protein that is homologous with zinc finger-transcription factors. In 33 percent (13 of 39) of DLCL samples, but not in other types of lymphoid malignancies, the BCL-6 gene is truncated within its 5' noncoding sequences, suggesting that its expression is deregulated. Thus, BCL-6 may be a proto-oncogene specifically involved in the pathogenesis of DLCL.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ye, B H -- Lista, F -- Lo Coco, F -- Knowles, D M -- Offit, K -- Chaganti, R S -- Dalla-Favera, R -- CA 44029/CA/NCI NIH HHS/ -- CA 48236/CA/NCI NIH HHS/ -- EY 06337/EY/NEI NIH HHS/ -- etc. -- New York, N.Y. -- Science. 1993 Oct 29;262(5134):747-50.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Pathology, 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/8235596" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Cell Line ; Chromosomes, Human, Pair 3 ; DNA, Complementary ; DNA-Binding Proteins/genetics ; Exons ; Gene Rearrangement ; Humans ; Introns ; Lymphoma, Large B-Cell, Diffuse/*genetics ; Molecular Sequence Data ; Proto-Oncogene Proteins/genetics ; Proto-Oncogene Proteins c-bcl-6 ; Proto-Oncogenes/*genetics ; Sequence Homology, Amino Acid ; Transcription Factors/genetics ; Translocation, Genetic ; Zinc Fingers/*genetics
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    AIDS conference in Berlin offers plenty of hidden gems (1993)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1993-05-28
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cohen, J -- New York, N.Y. -- Science. 1993 May 28;260(5112):1262-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8493568" target="_blank"〉PubMed〈/a〉
    Keywords: AIDS Vaccines ; *Acquired Immunodeficiency Syndrome/immunology/microbiology ; Animals ; Berlin ; HIV/physiology ; Humans ; Immunity, Innate
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    What HIV parts should be the basis of a vaccine? How should they be presented to the immune system? (1993)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1993-05-28
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cohen, J -- New York, N.Y. -- Science. 1993 May 28;260(5112):1261.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8493567" target="_blank"〉PubMed〈/a〉
    Keywords: AIDS Vaccines/*immunology ; Animals ; Genetic Engineering ; HIV/genetics/immunology ; HIV Antibodies/biosynthesis ; Haplorhini ; Humans ; Killer Cells, Natural/immunology ; Vaccines, Attenuated/immunology ; Vaccines, Synthetic/immunology
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    How can viral variation be overcome? (1993)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1993-05-28
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cohen, J -- New York, N.Y. -- Science. 1993 May 28;260(5112):1260.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8493566" target="_blank"〉PubMed〈/a〉
    Keywords: *AIDS Vaccines ; Acquired Immunodeficiency Syndrome/microbiology ; *Genetic Variation ; Giant Cells ; HIV/classification/*genetics/immunology ; Humans ; Phenotype
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    The biological and social phenomenon of Lyme disease (1993)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1993-06-11
    Description: Lyme disease, unknown in the United States two decades ago, is now the most common arthropod-borne disease in the country and has caused considerable morbidity in several suburban and rural areas. The emergence of this disease is in part the consequence of the reforestation of the northeastern United States and the rise in deer populations. Unfortunately, an accurate estimation of its importance to human and animal health has not been made because of difficulties in diagnosis and inadequate surveillance activities. Strategies for prevention of Lyme disease include vector control and vaccines.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Barbour, A G -- Fish, D -- AI24424/AI/NIAID NIH HHS/ -- AI28956/AI/NIAID NIH HHS/ -- AI29731/AI/NIAID NIH HHS/ -- etc. -- New York, N.Y. -- Science. 1993 Jun 11;260(5114):1610-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Microbiology, University of Texas Health Science Center, San Antonio 78284.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8503006" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Arachnid Vectors ; Borrelia burgdorferi Group/physiology ; Disease Reservoirs ; Humans ; *Lyme Disease/diagnosis/epidemiology/prevention & control ; Tick Control ; United States/epidemiology ; Vaccination
    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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    What are the correlates of protection? (1993)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1993-05-28
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cohen, J -- New York, N.Y. -- Science. 1993 May 28;260(5112):1259.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8493565" target="_blank"〉PubMed〈/a〉
    Keywords: AIDS Vaccines/*immunology ; Acquired Immunodeficiency Syndrome/*immunology/prevention & control ; Animals ; HIV/*immunology ; HIV Antibodies/biosynthesis ; Haplorhini ; Humans ; Immunity, Cellular ; Pan troglodytes ; T-Lymphocytes, Cytotoxic/immunology
    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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  • 71
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    AIDS research: the mood is uncertain (1993)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1993-05-28
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cohen, J -- New York, N.Y. -- Science. 1993 May 28;260(5112):1254-61.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8493564" target="_blank"〉PubMed〈/a〉
    Keywords: AIDS Vaccines ; *Acquired Immunodeficiency Syndrome/immunology/microbiology/therapy ; Animals ; Antiviral Agents/therapeutic use ; Humans ; *Research ; Surveys and Questionnaires
    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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  • 72
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    French AIDS tests get the hook (1993)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1993-08-06
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉New York, N.Y. -- Science. 1993 Aug 6;261(5122):679.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8342034" target="_blank"〉PubMed〈/a〉
    Keywords: AIDS Serodiagnosis/*standards ; False Negative Reactions ; France ; Humans
    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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  • 73
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    How can HIV replication be controlled? (1993)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1993-05-28
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cohen, J -- New York, N.Y. -- Science. 1993 May 28;260(5112):1257.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8333877" target="_blank"〉PubMed〈/a〉
    Keywords: Acquired Immunodeficiency Syndrome/*microbiology ; Antiviral Agents/*pharmacology ; HIV/drug effects/*physiology ; Humans ; Trans-Activators/drug effects ; Viral Proteins/*drug effects ; Virus Replication/drug effects
    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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  • 74
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    New domain motif: the structure of pectate lyase C, a secreted plant virulence factor (1993)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1993-06-04
    Description: Pectate lyases are secreted by pathogens and initiate soft-rot diseases in plants by cleaving polygalacturonate, a major component of the plant cell wall. The three-dimensional structure of pectate lyase C from Erwinia chrysanthemi has been solved and refined to a resolution of 2.2 angstroms. The enzyme folds into a unique motif of parallel beta strands coiled into a large helix. Within the core, the amino acids form linear stacks and include a novel asparagine ladder. The sequence similarities that pectate lyases share with pectin lyases, pollen and style proteins, and tubulins suggest that the parallel beta helix motif may occur in a broad spectrum of proteins.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Yoder, M D -- Keen, N T -- Jurnak, F -- New York, N.Y. -- Science. 1993 Jun 4;260(5113):1503-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biochemistry, University of California, Riverside 92521.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8502994" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Binding Sites ; Calcium ; Crystallography ; Isoenzymes/*chemistry ; Models, Molecular ; Molecular Sequence Data ; Pectobacterium chrysanthemi/enzymology ; Polysaccharide-Lyases/*chemistry ; Protein Structure, Secondary ; *Protein Structure, Tertiary
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  • 75
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    Ribozymes: killing the messenger (1993)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1993-12-03
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Barinaga, M -- New York, N.Y. -- Science. 1993 Dec 3;262(5139):1512-4.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8248799" target="_blank"〉PubMed〈/a〉
    Keywords: Base Sequence ; Genetic Therapy/*methods ; HIV/genetics ; HIV Infections/*therapy ; Humans ; Molecular Sequence Data ; RNA, Catalytic/*genetics/metabolism/therapeutic use ; RNA, Viral/metabolism
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  • 76
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    What causes the immune system collapse seen in AIDS? (1993)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1993-05-28
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cohen, J -- New York, N.Y. -- Science. 1993 May 28;260(5112):1256.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8098551" target="_blank"〉PubMed〈/a〉
    Keywords: Acquired Immunodeficiency Syndrome/*immunology/microbiology ; Apoptosis ; CD4-Positive T-Lymphocytes/*immunology/pathology ; HIV/*pathogenicity ; HIV Envelope Protein gp120/metabolism ; Humans
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  • 77
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    Dino DNA: the hunt and the hype (1993)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1993-07-09
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Morell, V -- New York, N.Y. -- Science. 1993 Jul 9;261(5118):160-2.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8327889" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Biological Evolution ; Bone and Bones/chemistry ; DNA/blood/*isolation & purification ; *Fossils ; History, Ancient ; Humans ; *Paleontology ; Phylogeny
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  • 78
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    Effect of platelet-associated virus on assays of HIV-1 in plasma (1993)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1993-12-03
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lee, T H -- Stromberg, R R -- Henrard, D -- Busch, M P -- New York, N.Y. -- Science. 1993 Dec 3;262(5139):1585-6.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8248811" target="_blank"〉PubMed〈/a〉
    Keywords: Blood Platelets/*microbiology ; HIV-1/*isolation & purification ; Humans ; Plasma/*microbiology ; RNA, Viral/blood
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  • 79
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    Evidence found for a possible 'aggression gene' (1993)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1993-06-18
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Morell, V -- New York, N.Y. -- Science. 1993 Jun 18;260(5115):1722-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8511575" target="_blank"〉PubMed〈/a〉
    Keywords: *Aggression ; Female ; *Genes, Recessive ; Genetic Diseases, Inborn ; Humans ; Male ; Monoamine Oxidase/deficiency/*genetics ; Mutation ; Pedigree ; *X Chromosome
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  • 80
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    Can combination therapy overcome drug resistance? (1993)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1993-05-28
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cohen, J -- New York, N.Y. -- Science. 1993 May 28;260(5112):1258.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7684162" target="_blank"〉PubMed〈/a〉
    Keywords: Acquired Immunodeficiency Syndrome/*drug therapy/microbiology ; Antiviral Agents/pharmacology/*therapeutic use ; Drug Resistance, Microbial ; Drug Therapy, Combination ; HIV/*drug effects/enzymology/genetics ; Humans ; RNA-Directed DNA Polymerase/drug effects/genetics ; Zidovudine/pharmacology/therapeutic use
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  • 81
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    New accomplices in cell death (1993)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1993-11-19
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Barinaga, M -- New York, N.Y. -- Science. 1993 Nov 19;262(5137):1211-2.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7901912" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Transport System X-AG ; Arachidonic Acid/metabolism ; Biological Transport ; Brain/*metabolism ; Cell Death ; Glutamates/*metabolism ; Glutamic Acid ; Glycoproteins/*metabolism ; Humans ; Neurons/cytology/*metabolism ; Nitric Oxide/metabolism
    Print ISSN: 0036-8075
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  • 82
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    The puzzle of the triple repeats (1993)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1993-06-04
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Morell, V -- New York, N.Y. -- Science. 1993 Jun 4;260(5113):1422-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8502986" target="_blank"〉PubMed〈/a〉
    Keywords: Fragile X Syndrome/genetics ; Humans ; Huntington Disease/genetics ; *Mutation ; Neuromuscular Diseases/genetics ; Oligodeoxyribonucleotides/genetics ; *Repetitive Sequences, Nucleic Acid
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  • 83
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    Drug companies join forces in search for AIDS therapy (1993)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1993-04-23
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cohen, J -- New York, N.Y. -- Science. 1993 Apr 23;260(5107):482.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8475379" target="_blank"〉PubMed〈/a〉
    Keywords: Acquired Immunodeficiency Syndrome/*drug therapy ; *Antiviral Agents/*therapeutic use ; Drug Industry ; Humans
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 84
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    Treating arthritis with tolerance (1993)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1993-09-24
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Barinaga, M -- New York, N.Y. -- Science. 1993 Sep 24;261(5129):1669-70.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8378767" target="_blank"〉PubMed〈/a〉
    Keywords: Administration, Oral ; Arthritis, Rheumatoid/*drug therapy/immunology ; Autoimmune Diseases/*drug therapy/immunology ; Collagen/*administration & dosage/therapeutic use ; Humans ; *Immune Tolerance
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  • 85
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    Guam ALS-PDC: possible causes (1993)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1993-11-05
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sacks, O W -- New York, N.Y. -- Science. 1993 Nov 5;262(5135):826.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8235600" target="_blank"〉PubMed〈/a〉
    Keywords: Amyotrophic Lateral Sclerosis/*etiology ; Dementia/*etiology ; Guam ; Humans ; Parkinson Disease, Postencephalitic/*etiology ; Syndrome
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  • 86
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    AIDS research. Keystone's blunt message: 'it's the virus, stupid' (1993)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1993-04-16
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cohen, J -- New York, N.Y. -- Science. 1993 Apr 16;260(5106):292-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8469983" target="_blank"〉PubMed〈/a〉
    Keywords: Acquired Immunodeficiency Syndrome/immunology/*microbiology ; Animals ; CD4-CD8 Ratio ; Dendritic Cells/immunology ; HIV/*isolation & purification/physiology ; Humans ; Lymph Nodes/immunology/*microbiology ; Polymerase Chain Reaction ; Virus Replication
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  • 87
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    MS study yields mixed results (1993)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1993-02-26
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Yoon, C K -- New York, N.Y. -- Science. 1993 Feb 26;259(5099):1263.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8446895" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Autoantigens/administration & dosage ; Cattle ; Humans ; Immune Tolerance ; Multiple Sclerosis/immunology/*therapy ; Myelin Sheath/*immunology ; Pilot Projects
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  • 88
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    MicroGeneSys: NIH faces down DOD (1993)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1993-04-16
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cohen, J -- New York, N.Y. -- Science. 1993 Apr 16;260(5106):288.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8469980" target="_blank"〉PubMed〈/a〉
    Keywords: *AIDS Vaccines ; Clinical Trials as Topic ; *Government Agencies ; HIV/immunology ; Humans ; *National Institutes of Health (U.S.) ; Recombinant Proteins ; United States ; United States Food and Drug Administration ; Vaccines, Synthetic
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  • 89
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    Huntington's gene finally found (1993)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1993-04-02
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Morell, V -- New York, N.Y. -- Science. 1993 Apr 2;260(5104):28-30.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8465196" target="_blank"〉PubMed〈/a〉
    Keywords: *Chromosome Mapping ; *Chromosomes, Human, Pair 4 ; Genetic Markers ; Heterozygote Detection ; Humans ; Huntington Disease/*genetics ; Repetitive Sequences, Nucleic Acid
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  • 90
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    Supramolecular chemistry (1993)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1993-06-18
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lehn, J M -- New York, N.Y. -- Science. 1993 Jun 18;260(5115):1762-3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉College de France, Paris, France.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8511582" target="_blank"〉PubMed〈/a〉
    Keywords: Binding Sites ; Chemical Phenomena ; *Chemistry ; *Macromolecular Substances
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  • 91
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    Enzyme may blunt cocaine's action (1993)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1993-03-26
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Morell, V -- New York, N.Y. -- Science. 1993 Mar 26;259(5103):1828.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8456310" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antibodies, Catalytic/*therapeutic use ; Antibodies, Monoclonal/*therapeutic use ; *Cocaine/immunology/metabolism ; Humans ; Mice ; Substance-Related Disorders/*drug therapy
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 92
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    Pushing at the envelope (1993)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1993-10-01
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Jasny, B R -- New York, N.Y. -- Science. 1993 Oct 1;262(5130):11.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8211115" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Chromosome Mapping ; Genetic Testing ; Genetic Therapy ; *Human Genome Project ; Humans ; Mice
    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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  • 93
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    MHC-restricted depletion of human myelin basic protein-reactive T cells by T cell vaccination (1993)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1993-09-10
    Description: Activated autoreactive T cells are potentially pathogenic and regulated by clonotypic networks. Experimental autoimmune diseases can be treated by inoculation with autoreactive T cells (T cell vaccination). In the present study, patients with multiple sclerosis were inoculated with irradiated myelin basic protein (MBP)-reactive T cells. T cell responses to the inoculates were induced to deplete circulating MBP-reactive T cells in the recipients. Regulatory T cell lines isolated from the recipients inhibited T cells used for vaccination. The cytotoxicity of the CD8+ T cell lines was restricted by major histocompatibility antigens. Thus, clonotypic interactions regulating autoreactive T cells in humans can be induced by T cell vaccination.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Zhang, J -- Medaer, R -- Stinissen, P -- Hafler, D -- Raus, J -- New York, N.Y. -- Science. 1993 Sep 10;261(5127):1451-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Multiple Sclerosis Research Unit, Dr. L. Willems Instituut, Diepenbeek, Belgium.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7690157" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Antigens, CD4/analysis ; Antigens, CD8/analysis ; Cell Line ; Epitopes/immunology ; Female ; Humans ; *Immunotherapy, Adoptive ; Lymphocyte Activation ; Male ; Middle Aged ; Multiple Sclerosis/immunology/*therapy ; Myelin Basic Protein/*immunology ; Receptors, Antigen, T-Cell, alpha-beta/immunology ; T-Lymphocytes/*immunology ; Vaccination
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 94
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    Should dying patients receive untested genetic methods? (1993)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1993-01-22
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Thompson, L -- New York, N.Y. -- Science. 1993 Jan 22;259(5094):452.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8424165" target="_blank"〉PubMed〈/a〉
    Keywords: Advisory Committees ; *Bioethics ; Brain Neoplasms/*therapy ; DNA, Recombinant ; Death ; *Ethical Review ; Federal Government ; Female ; *Genetic Therapy ; *Government Regulation ; Humans ; Middle Aged ; National Institutes of Health (U.S.) ; *Therapeutic Human Experimentation ; United States
    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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  • 95
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    GDNF: a glial cell line-derived neurotrophic factor for midbrain dopaminergic neurons (1993)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1993-05-21
    Description: A potent neurotrophic factor that enhances survival of midbrain dopaminergic neurons was purified and cloned. Glial cell line-derived neurotrophic factor (GDNF) is a glycosylated, disulfide-bonded homodimer that is a distantly related member of the transforming growth factor-beta superfamily. In embryonic midbrain cultures, recombinant human GDNF promoted the survival and morphological differentiation of dopaminergic neurons and increased their high-affinity dopamine uptake. These effects were relatively specific; GDNF did not increase total neuron or astrocyte numbers nor did it increase transmitter uptake by gamma-aminobutyric-containing and serotonergic neurons. GDNF may have utility in the treatment of Parkinson's disease, which is marked by progressive degeneration of midbrain dopaminergic neurons.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lin, L F -- Doherty, D H -- Lile, J D -- Bektesh, S -- Collins, F -- New York, N.Y. -- Science. 1993 May 21;260(5111):1130-2.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Synergen, Inc., Boulder, CO 80301.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8493557" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Astrocytes/cytology/drug effects ; Base Sequence ; Cell Differentiation/drug effects ; Cell Line ; Cell Survival/drug effects ; Cells, Cultured ; Cloning, Molecular ; Dopamine/*biosynthesis ; Glial Cell Line-Derived Neurotrophic Factor ; Humans ; Mesencephalon/cytology/*drug effects/metabolism ; Molecular Sequence Data ; Molecular Weight ; *Nerve Growth Factors ; Nerve Tissue Proteins/chemistry/genetics/isolation & purification/*pharmacology ; Neuroglia/*metabolism ; Neurons/cytology/*drug effects/metabolism ; Parkinson Disease/drug therapy ; Rats
    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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  • 96
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    Cells in stress: transcriptional activation of heat shock genes (1993)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1993-03-05
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Morimoto, R I -- New York, N.Y. -- Science. 1993 Mar 5;259(5100):1409-10.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biochemistry, Molecular and Cell Biology, Northwestern University, Evanston, IL 60201.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8451637" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Base Sequence ; DNA/genetics/metabolism ; DNA-Binding Proteins/metabolism ; *Gene Expression Regulation ; Heat-Shock Proteins/*genetics ; Hot Temperature ; Humans ; Models, Genetic ; Molecular Sequence Data ; Transcription Factors/*metabolism ; *Transcription, Genetic
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 97
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    Gene therapy. Healy approves an unproven treatment (1993)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1993-01-08
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Thompson, L -- New York, N.Y. -- Science. 1993 Jan 8;259(5092):172.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8421780" target="_blank"〉PubMed〈/a〉
    Keywords: Advisory Committees ; Ethical Review ; Federal Government ; Female ; Genetic Therapy/*legislation & jurisprudence ; *Government Regulation ; Humans ; Interleukin-2/*genetics ; Middle Aged ; National Institutes of Health (U.S.) ; Neoplasms/*therapy ; Patient Selection ; Research Subjects ; United States
    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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  • 98
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    IL-6-induced homodimerization of gp130 and associated activation of a tyrosine kinase (1993)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1993-06-18
    Description: The biological functions of interleukin-6 (IL-6) are mediated through a signal-transducing component of the IL-6 receptor, gp130, which is associated with the ligand-occupied IL-6 receptor (IL-6R) protein. Binding of IL-6 to IL-6R induced disulfide-linked homodimerization of gp130. Tyrosine kinase activity was associated with dimerized but not monomeric gp130 protein. Substitution of serine for proline residues 656 and 658 in the cytoplasmic motif abolished tyrosine kinase activation and cellular responses but not homodimerization of gp130. The IL-6-induced gp130 homodimer appears to be similar in function to the heterodimer formed between the leukemia inhibitory factor (LIF) receptor (LIFR) and gp130 in response to the LIF or ciliary neurotrophic factor (CNTF). Thus, a general first step in IL-6-related cytokine signaling may be the dimerization of signal-transducing molecules and activation of associated tyrosine kinases.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Murakami, M -- Hibi, M -- Nakagawa, N -- Nakagawa, T -- Yasukawa, K -- Yamanishi, K -- Taga, T -- Kishimoto, T -- New York, N.Y. -- Science. 1993 Jun 18;260(5115):1808-10.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institute for Molecular and Cellular Biology, Osaka University, Japan.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8511589" target="_blank"〉PubMed〈/a〉
    Keywords: *Antigens, CD ; Cytokine Receptor gp130 ; Enzyme Activation ; Haptoglobins/biosynthesis ; Humans ; Interleukin-6/*metabolism/pharmacology ; Macromolecular Substances ; Membrane Glycoproteins/chemistry/*metabolism ; Phosphorylation ; Protein-Tyrosine Kinases/*metabolism ; Receptors, Immunologic/*metabolism ; Receptors, Interleukin-6 ; *Signal Transduction ; Transfection ; Tumor Cells, Cultured
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 99
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    Intrigue grows around Redfield report (1993)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1993-07-16
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉New York, N.Y. -- Science. 1993 Jul 16;261(5119):283.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8332893" target="_blank"〉PubMed〈/a〉
    Keywords: AIDS Vaccines/*therapeutic use ; HIV Infections/*therapy ; History, 20th Century ; Humans ; *Military Medicine/history ; Recombinant Proteins/therapeutic use ; *Scientific Misconduct ; Vaccines, Synthetic/therapeutic use
    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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  • 100
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    Genetic variation in Africa (1993)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1993-09-17
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Thorne, A G -- Wolpoff, M H -- Eckhardt, R B -- New York, N.Y. -- Science. 1993 Sep 17;261(5128):1507-8.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8372344" target="_blank"〉PubMed〈/a〉
    Keywords: Africa ; Animals ; Biological Evolution ; *Genetic Variation ; Hominidae/*genetics ; Humans
    Print ISSN: 0036-8075
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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