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  • Articles  (281)
  • Latest Papers from Table of Contents or Articles in Press  (281)
  • United States  (163)
  • Binding Sites  (65)
  • Phosphorylation  (62)
  • American Association for the Advancement of Science (AAAS)  (281)
  • Springer
  • 1995-1999  (281)
  • 1999  (281)
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  • Articles  (281)
Source
Keywords
Publisher
  • American Association for the Advancement of Science (AAAS)  (281)
  • Springer
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  • 1995-1999  (281)
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Journal
Topic
  • 101
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    Discovery of a small molecule insulin mimetic with antidiabetic activity in mice (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-05-13
    Description: Insulin elicits a spectrum of biological responses by binding to its cell surface receptor. In a screen for small molecules that activate the human insulin receptor tyrosine kinase, a nonpeptidyl fungal metabolite (L-783,281) was identified that acted as an insulin mimetic in several biochemical and cellular assays. The compound was selective for insulin receptor versus insulin-like growth factor I (IGFI) receptor and other receptor tyrosine kinases. Oral administration of L-783,281 to two mouse models of diabetes resulted in significant lowering in blood glucose levels. These results demonstrate the feasibility of discovering novel insulin receptor activators that may lead to new therapies for diabetes.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Zhang, B -- Salituro, G -- Szalkowski, D -- Li, Z -- Zhang, Y -- Royo, I -- Vilella, D -- Diez, M T -- Pelaez, F -- Ruby, C -- Kendall, R L -- Mao, X -- Griffin, P -- Calaycay, J -- Zierath, J R -- Heck, J V -- Smith, R G -- Moller, D E -- New York, N.Y. -- Science. 1999 May 7;284(5416):974-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Molecular Endocrinology, Merck Research Laboratories, R80W250, Post Office Box 2000, Rahway, NJ 07065, USA. bei_zhang@merck.com〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10320380" target="_blank"〉PubMed〈/a〉
    Keywords: Adenosine Triphosphate/metabolism ; Animals ; Ascomycota/*metabolism ; Binding Sites ; Blood Glucose/metabolism ; CHO Cells ; Cricetinae ; Diabetes Mellitus, Type 2/*drug therapy ; Dose-Response Relationship, Drug ; Drug Evaluation, Preclinical ; Enzyme Activation ; Glucose Tolerance Test ; Hyperglycemia/drug therapy ; Hypoglycemic Agents/chemistry/metabolism/*pharmacology/therapeutic use ; Indoles/chemistry/metabolism/*pharmacology/therapeutic use ; Insulin/blood/metabolism/*pharmacology ; Insulin Receptor Substrate Proteins ; Mice ; Mice, Mutant Strains ; Mice, Obese ; Molecular Mimicry ; Phosphoproteins/metabolism ; Phosphorylation ; Protein Conformation/drug effects ; Receptor, Epidermal Growth Factor/metabolism ; Receptor, IGF Type 1/metabolism ; Receptor, Insulin/chemistry/*metabolism ; Signal Transduction
    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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  • 102
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    Beta-arrestin-dependent formation of beta2 adrenergic receptor-Src protein kinase complexes (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-01-29
    Description: The Ras-dependent activation of mitogen-activated protein (MAP) kinase pathways by many receptors coupled to heterotrimeric guanine nucleotide binding proteins (G proteins) requires the activation of Src family tyrosine kinases. Stimulation of beta2 adrenergic receptors resulted in the assembly of a protein complex containing activated c-Src and the receptor. Src recruitment was mediated by beta-arrestin, which functions as an adapter protein, binding both c-Src and the agonist-occupied receptor. beta-Arrestin 1 mutants, impaired either in c-Src binding or in the ability to target receptors to clathrin-coated pits, acted as dominant negative inhibitors of beta2 adrenergic receptor-mediated activation of the MAP kinases Erk1 and Erk2. These data suggest that beta-arrestin binding, which terminates receptor-G protein coupling, also initiates a second wave of signal transduction in which the "desensitized" receptor functions as a critical structural component of a mitogenic signaling complex.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Luttrell, L M -- Ferguson, S S -- Daaka, Y -- Miller, W E -- Maudsley, S -- Della Rocca, G J -- Lin, F -- Kawakatsu, H -- Owada, K -- Luttrell, D K -- Caron, M G -- Lefkowitz, R J -- DK02352/DK/NIDDK NIH HHS/ -- DK55524/DK/NIDDK NIH HHS/ -- HL16037/HL/NHLBI NIH HHS/ -- etc. -- New York, N.Y. -- Science. 1999 Jan 29;283(5402):655-61.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Howard Hughes Medical Institute and Department of Medicine, Duke University Medical Center, Durham, NC 27710, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9924018" target="_blank"〉PubMed〈/a〉
    Keywords: Adrenergic beta-Agonists/metabolism/pharmacology ; Animals ; Arrestins/genetics/*metabolism ; Calcium-Calmodulin-Dependent Protein Kinases/metabolism ; Cell Line ; Cell Membrane/metabolism ; Enzyme Activation ; GTP-Binding Proteins/metabolism ; Humans ; Isoproterenol/metabolism/pharmacology ; Mitogen-Activated Protein Kinase 1 ; Mitogen-Activated Protein Kinase 3 ; *Mitogen-Activated Protein Kinases ; Models, Biological ; Phosphorylation ; Point Mutation ; Precipitin Tests ; Proto-Oncogene Proteins pp60(c-src)/*metabolism ; Receptor Cross-Talk ; Receptors, Adrenergic, beta-2/*metabolism ; Receptors, Cell Surface/metabolism ; *Signal Transduction ; Transfection ; src Homology Domains
    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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  • 103
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    Two-metal-Ion catalysis in adenylyl cyclase (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-07-31
    Description: Adenylyl cyclase (AC) converts adenosine triphosphate (ATP) to cyclic adenosine monophosphate, a ubiquitous second messenger that regulates many cellular functions. Recent structural studies have revealed much about the structure and function of mammalian AC but have not fully defined its active site or catalytic mechanism. Four crystal structures were determined of the catalytic domains of AC in complex with two different ATP analogs and various divalent metal ions. These structures provide a model for the enzyme-substrate complex and conclusively demonstrate that two metal ions bind in the active site. The similarity of the active site of AC to those of DNA polymerases suggests that the enzymes catalyze phosphoryl transfer by the same two-metal-ion mechanism and likely have evolved from a common ancestor.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Tesmer, J J -- Sunahara, R K -- Johnson, R A -- Gosselin, G -- Gilman, A G -- Sprang, S R -- DK38828/DK/NIDDK NIH HHS/ -- DK46371/DK/NIDDK NIH HHS/ -- GM34497/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1999 Jul 30;285(5428):756-60.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Howard Hughes Medical Institute, Department of Biochemistry, University of Texas Southwestern Medical Center, 5323 Harry Hines Boulevard, Dallas, TX 75235-9050, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10427002" target="_blank"〉PubMed〈/a〉
    Keywords: Adenosine Triphosphate/metabolism ; Adenylyl Cyclase Inhibitors ; Adenylyl Cyclases/chemistry/genetics/*metabolism ; Animals ; Aspartic Acid/metabolism ; Binding Sites ; Catalysis ; Crystallography, X-Ray ; Deoxyadenine Nucleotides/metabolism/pharmacology ; Dideoxynucleotides ; Dimerization ; Enzyme Inhibitors/metabolism ; Hydrogen Bonding ; Ligands ; Magnesium/*metabolism ; Manganese/*metabolism ; Models, Molecular ; Mutation ; Protein Conformation ; Protein Folding ; Rats ; Thionucleotides/metabolism/pharmacology ; Zinc/*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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  • 104
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    NIH-study-section scoring (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-10-09
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Doniach, S -- New York, N.Y. -- Science. 1999 Sep 17;285(5435):1850.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10515787" target="_blank"〉PubMed〈/a〉
    Keywords: National Institutes of Health (U.S.)/*organization & administration ; *Peer Review, Research ; Research Support as Topic ; 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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  • 105
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    Policy forum: public health. Regulating firearms as a consumer product (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-12-28
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sorenson, S B -- New York, N.Y. -- Science. 1999 Nov 19;286(5444):1481-2.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉School of Public Health, University of California, Los Angeles, Los Angeles, CA 90095-1772, USA. sorenson@ucla.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10610547" target="_blank"〉PubMed〈/a〉
    Keywords: *Consumer Product Safety/legislation & jurisprudence ; Firearms/legislation & jurisprudence/*standards ; Public Opinion ; Public Policy ; Safety ; 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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  • 106
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    Development of DNA sequencer (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-09-04
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Dovichi, N -- New York, N.Y. -- Science. 1999 Aug 13;285(5430):1016.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10475843" target="_blank"〉PubMed〈/a〉
    Keywords: Canada ; Financing, Government ; Human Genome Project ; Research Support as Topic ; Sequence Analysis, DNA/*instrumentation ; United States
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 107
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    Signaling from Rho to the actin cytoskeleton through protein kinases ROCK and LIM-kinase (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-08-07
    Description: The actin cytoskeleton undergoes extensive remodeling during cell morphogenesis and motility. The small guanosine triphosphatase Rho regulates such remodeling, but the underlying mechanisms of this regulation remain unclear. Cofilin exhibits actin-depolymerizing activity that is inhibited as a result of its phosphorylation by LIM-kinase. Cofilin was phosphorylated in N1E-115 neuroblastoma cells during lysophosphatidic acid-induced, Rho-mediated neurite retraction. This phosphorylation was sensitive to Y-27632, a specific inhibitor of the Rho-associated kinase ROCK. ROCK, which is a downstream effector of Rho, did not phosphorylate cofilin directly but phosphorylated LIM-kinase, which in turn was activated to phosphorylate cofilin. Overexpression of LIM-kinase in HeLa cells induced the formation of actin stress fibers in a Y-27632-sensitive manner. These results indicate that phosphorylation of LIM-kinase by ROCK and consequently increased phosphorylation of cofilin by LIM-kinase contribute to Rho-induced reorganization of the actin cytoskeleton.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Maekawa, M -- Ishizaki, T -- Boku, S -- Watanabe, N -- Fujita, A -- Iwamatsu, A -- Obinata, T -- Ohashi, K -- Mizuno, K -- Narumiya, S -- New York, N.Y. -- Science. 1999 Aug 6;285(5429):895-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Pharmacology, Kyoto University Faculty of Medicine, Kyoto 606-8315, Japan.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10436159" target="_blank"〉PubMed〈/a〉
    Keywords: Actin Cytoskeleton/*metabolism ; Actin Depolymerizing Factors ; Actins/metabolism ; Amides/pharmacology ; Animals ; COS Cells ; DNA-Binding Proteins/metabolism ; Enzyme Activation ; GTP Phosphohydrolases/*metabolism ; GTP-Binding Proteins/*metabolism ; HeLa Cells ; Humans ; Intracellular Signaling Peptides and Proteins ; Lim Kinases ; Lysophospholipids/pharmacology ; Membrane Proteins/*metabolism ; Microfilament Proteins/metabolism ; Phosphorylation ; Protein Kinases/*metabolism ; Protein-Serine-Threonine Kinases/*metabolism ; Pyridines/pharmacology ; *Signal Transduction ; Tumor Cells, Cultured ; rho-Associated Kinases ; rhoB GTP-Binding Protein
    Print ISSN: 0036-8075
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  • 108
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    Perspectives: immunology. Regulating the regulator (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-09-18
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Mach, B -- New York, N.Y. -- Science. 1999 Aug 27;285(5432):1367.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Genetics and Microbiology, University of Geneva Medical School, Geneva, Switzerland. Bernard.Mach@medecine.unige.ch〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10490413" target="_blank"〉PubMed〈/a〉
    Keywords: Binding Sites ; Cell Nucleus/metabolism ; DNA-Binding Proteins/metabolism ; GTP-Binding Proteins/chemistry/genetics/*metabolism ; *Gene Expression Regulation ; *Genes, MHC Class II ; Guanosine Triphosphate/*metabolism ; Humans ; Lymphocyte Activation ; Mutation ; *Nuclear Proteins ; Promoter Regions, Genetic ; T-Lymphocytes/immunology ; Trans-Activators/chemistry/genetics/*metabolism ; Transcription Factors/metabolism
    Print ISSN: 0036-8075
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  • 109
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    Role of the S. typhimurium actin-binding protein SipA in bacterial internalization (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-03-26
    Description: Entry of the bacterium Salmonella typhimurium into host cells requires membrane ruffling and rearrangement of the actin cytoskeleton. Here, it is shown that the bacterial protein SipA plays a critical role in this process. SipA binds directly to actin, decreases its critical concentration, and inhibits depolymerization of actin filaments. These activities result in the spatial localization and more pronounced outward extension of the Salmonella-induced membrane ruffles, thereby facilitating bacterial uptake.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Zhou, D -- Mooseker, M S -- Galan, J E -- AI30492/AI/NIAID NIH HHS/ -- DK25387/DK/NIDDK NIH HHS/ -- GM52543/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1999 Mar 26;283(5410):2092-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Section of Microbial Pathogenesis, Boyer Center for Molecular Medicine, Yale School of Medicine, New Haven, CT 06536, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10092234" target="_blank"〉PubMed〈/a〉
    Keywords: Actins/chemistry/genetics/*metabolism ; Antigens, Bacterial/metabolism ; Bacterial Proteins/chemistry/genetics/*metabolism ; Binding Sites ; Biopolymers ; Cell Membrane/ultrastructure ; HeLa Cells ; Humans ; *Microfilament Proteins ; Microscopy, Fluorescence ; Mutation ; Recombinant Fusion Proteins/metabolism ; Salmonella typhimurium/genetics/metabolism/*pathogenicity ; Signal Transduction ; Vinculin/metabolism
    Print ISSN: 0036-8075
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  • 110
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    Kansas dumps Darwin, raises alarm across the United States (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-09-15
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Holden, C -- New York, N.Y. -- Science. 1999 Aug 20;285(5431):1186-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10484724" target="_blank"〉PubMed〈/a〉
    Keywords: *Biological Evolution ; Curriculum ; Kansas ; Religion and Science ; Science/*education ; United States
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  • 111
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    2000 budget. Thanks to NIH, R&D ends up with 5% boost (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-12-28
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Malakoff, D -- New York, N.Y. -- Science. 1999 Dec 3;286(5446):1836.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10610571" target="_blank"〉PubMed〈/a〉
    Keywords: *Budgets ; Government Agencies/economics ; National Institutes of Health (U.S.)/*economics ; Research/*economics ; *Research Support as Topic ; United States
    Print ISSN: 0036-8075
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  • 112
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    IkappaB kinases: kinsmen with different crafts (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-05-08
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉May, M J -- Ghosh, S -- New York, N.Y. -- Science. 1999 Apr 9;284(5412):271-3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Section of Immunobiology, Howard Hughes Medical Institute, Yale University School of Medicine, New Haven, CT 06520, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10232975" target="_blank"〉PubMed〈/a〉
    Keywords: Abnormalities, Multiple/enzymology/genetics ; Animals ; Bone Development ; DNA-Binding Proteins/metabolism ; Dimerization ; *Embryonic and Fetal Development ; Gene Targeting ; I-kappa B Kinase ; I-kappa B Proteins ; Interleukin-1/pharmacology ; Mice ; Morphogenesis ; NF-kappa B/*metabolism ; Phosphorylation ; Protein-Serine-Threonine Kinases/chemistry/genetics/*metabolism ; Signal Transduction ; Skin/embryology ; Tumor Necrosis Factor-alpha/pharmacology
    Print ISSN: 0036-8075
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  • 113
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    Biomedical attacks (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-12-28
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Trull, F L -- New York, N.Y. -- Science. 1999 Nov 19;286(5444):1477.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10610546" target="_blank"〉PubMed〈/a〉
    Keywords: *Animal Rights ; Animals ; Animals, Laboratory ; *Organizations ; *Research Personnel ; United States ; *Violence
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  • 114
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    Scientific misconduct. Shalala takes watchdog office out of the hunt (1999)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1999-11-30
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kaiser, J -- New York, N.Y. -- Science. 1999 Oct 29;286(5441):883.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10577232" target="_blank"〉PubMed〈/a〉
    Keywords: *Government Regulation ; *Scientific Misconduct ; United States ; United States Office of Research Integrity/*organization & administration
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  • 115
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    Animal rights. Booby-trapped letters sent to 87 researchers (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-12-28
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kaiser, J -- New York, N.Y. -- Science. 1999 Nov 5;286(5442):1059.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10610514" target="_blank"〉PubMed〈/a〉
    Keywords: *Animal Rights ; Animals ; Animals, Laboratory ; *Primates ; *Research Personnel ; United States ; *Violence
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  • 116
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    Disappearing physician-scientists (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-02-27
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Brinkley, W R -- New York, N.Y. -- Science. 1999 Feb 5;283(5403):791.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10049119" target="_blank"〉PubMed〈/a〉
    Keywords: *Career Choice ; *Education, Medical, Graduate ; Humans ; National Institutes of Health (U.S.) ; *Physicians/statistics & numerical data ; Research/*manpower ; *Research Personnel/education/statistics & numerical data ; Research Support as Topic ; Societies, Scientific ; Training Support ; United States
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  • 117
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    EPA ponders pesticide tests in humans (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-01-23
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kaiser, J -- New York, N.Y. -- Science. 1999 Jan 1;283(5398):18-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9917257" target="_blank"〉PubMed〈/a〉
    Keywords: Advisory Committees ; *Bioethics ; Federal Government ; *Human Experimentation ; No-Observed-Adverse-Effect Level ; *Nontherapeutic Human Experimentation ; Pesticides/*toxicity ; *Toxicity Tests/standards ; United States ; *United States Environmental Protection Agency
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    View from the top of a biomedical empire. Interview by Eliot Marshall (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-10-16
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Varmus, H -- New York, N.Y. -- Science. 1999 Sep 10;285(5434):1654-6.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10523178" target="_blank"〉PubMed〈/a〉
    Keywords: Acquired Immunodeficiency Syndrome ; Budgets ; Computational Biology ; Embryo, Mammalian/cytology ; Humans ; Internet ; *National Institutes of Health (U.S.)/economics/organization & administration ; Peer Review, Research ; Public Policy ; Publishing ; Research ; Stem Cells ; United States
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    Physician-scientists--endangered and essential (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-01-30
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Rosenberg, L -- New York, N.Y. -- Science. 1999 Jan 15;283(5400):331-2.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Molecular Biology, Princeton University, NJ 08544, USA. lrosenberg@molbiol.princeton.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9925491" target="_blank"〉PubMed〈/a〉
    Keywords: Academic Medical Centers ; *Career Choice ; Drug Industry ; *Education, Medical, Graduate ; Fellowships and Scholarships ; Financing, Government ; Foundations ; Health Care Sector ; National Institutes of Health (U.S.) ; *Physicians/statistics & numerical data/trends ; Public Policy ; Research/*manpower ; *Research Personnel ; 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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    Differentiation stage-specific inhibition of the Raf-MEK-ERK pathway by Akt (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-11-27
    Description: Extracellular signals often result in simultaneous activation of both the Raf-MEK-ERK and PI3K-Akt pathways (where ERK is extracellular-regulated kinase, MEK is mitogen-activated protein kinase or ERK kinase, and PI3K is phosphatidylinositol 3-kinase). However, these two signaling pathways were shown to exert opposing effects on muscle cell hypertrophy. Furthermore, the PI3K-Akt pathway was shown to inhibit the Raf-MEK-ERK pathway; this cross-regulation depended on the differentiation state of the cell: Akt activation inhibited the Raf-MEK-ERK pathway in differentiated myotubes, but not in their myoblast precursors. The stage-specific inhibitory action of Akt correlated with its stage-specific ability to form a complex with Raf, suggesting the existence of differentially expressed mediators of an inhibitory Akt-Raf complex.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Rommel, C -- Clarke, B A -- Zimmermann, S -- Nunez, L -- Rossman, R -- Reid, K -- Moelling, K -- Yancopoulos, G D -- Glass, D J -- New York, N.Y. -- Science. 1999 Nov 26;286(5445):1738-41.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Regeneron Pharmaceuticals, 777 Old Saw Mill River Road, Tarrytown, NY 10591, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10576741" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Differentiation ; Cell Line ; Cyclin-Dependent Kinase Inhibitor p21 ; Cyclins/genetics ; Enzyme Activation ; Enzyme Inhibitors/pharmacology ; Flavonoids/pharmacology ; Insulin-Like Growth Factor I/pharmacology ; MAP Kinase Signaling System/drug effects ; Mice ; Mitogen-Activated Protein Kinases/*antagonists & inhibitors/metabolism ; Muscle, Skeletal/*cytology/*metabolism ; Myogenin/genetics ; Phenotype ; Phosphatidylinositol 3-Kinases/metabolism ; Phosphorylation ; Protein-Serine-Threonine Kinases/*metabolism ; Proto-Oncogene Proteins/*metabolism ; Proto-Oncogene Proteins c-akt ; Proto-Oncogene Proteins c-raf/*antagonists & inhibitors/metabolism ; Signal Transduction ; Transfection ; Transgenes
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    Who's balancing the federal research portfolio and how? (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-10-16
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Merrill, S A -- McGeary, M -- New York, N.Y. -- Science. 1999 Sep 10;285(5434):1679-80.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉National Research Council's Board on Science, Technology, and Economic Policy (STEP), Washington, DC 20418, USA. smerrill@nas.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10523184" target="_blank"〉PubMed〈/a〉
    Keywords: Budgets ; Government Agencies/economics ; National Institutes of Health (U.S.)/economics ; *Research ; *Research Support as Topic ; United States
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    Essay: Amersham Pharmacia Biotech & Science prize. Tantalizing transcriptomes--SAGE and its use in global gene expression analysis (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-12-28
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Velculescu, V E -- New York, N.Y. -- Science. 1999 Nov 19;286(5444):1491-2.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Johns Hopkins Oncology Center, Baltimore, MD 21231, USA. velculescu@jhmi.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10610550" target="_blank"〉PubMed〈/a〉
    Keywords: *Awards and Prizes ; Gene Expression ; *Gene Expression Profiling ; Gene Expression Regulation, Neoplastic ; Genes, ras ; *Genome ; History, 20th Century ; Humans ; Neoplasms/genetics ; RNA, Messenger/*genetics ; Saccharomyces cerevisiae/genetics ; United States
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    A rational approach to labeling biotech-derived foods (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-06-26
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Miller, H I -- New York, N.Y. -- Science. 1999 May 28;284(5419):1471-2.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Hoover Institution, Stanford University, Stanford, CA 94305, USA. miller@hoover.stanford.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10383324" target="_blank"〉PubMed〈/a〉
    Keywords: *Biotechnology/legislation & jurisprudence ; Consumer Product Safety/legislation & jurisprudence ; Costs and Cost Analysis ; *Crops, Agricultural ; Crosses, Genetic ; *Food Labeling/economics/legislation & jurisprudence ; Food Technology/legislation & jurisprudence ; Genetic Engineering ; *Plants, Genetically Modified ; Risk Factors ; United States ; *United States Food and Drug Administration
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    Support for structural genomics and synchrotrons (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-11-30
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cassman, M -- Norvell, J C -- New York, N.Y. -- Science. 1999 Oct 8;286(5438):239-40.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10577190" target="_blank"〉PubMed〈/a〉
    Keywords: Computational Biology ; *Crystallography, X-Ray ; *National Institutes of Health (U.S.)/economics ; Proteins/*chemistry/genetics ; *Research Support as Topic ; *Synchrotrons/economics ; United States
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    Religion and science (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-07-03
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Goodenough, U W -- New York, N.Y. -- Science. 1999 Jun 11;284(5421):1774.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10391794" target="_blank"〉PubMed〈/a〉
    Keywords: *Foundations ; *Religion and Science ; United States
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    Mechanical rotation of the c subunit oligomer in ATP synthase (F0F1): direct observation (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-11-27
    Description: F0F1, found in mitochondria or bacterial membranes, synthesizes adenosine 5'-triphosphate (ATP) coupling with an electrochemical proton gradient and also reversibly hydrolyzes ATP to form the gradient. An actin filament connected to a c subunit oligomer of F0 was able to rotate by using the energy of ATP hydrolysis. The rotary torque produced by the c subunit oligomer reached about 40 piconewton-nanometers, which is similar to that generated by the gamma subunit in the F1 motor. These results suggest that the gamma and c subunits rotate together during ATP hydrolysis and synthesis. Thus, coupled rotation may be essential for energy coupling between proton transport through F0 and ATP hydrolysis or synthesis in F1.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sambongi, Y -- Iko, Y -- Tanabe, M -- Omote, H -- Iwamoto-Kihara, A -- Ueda, I -- Yanagida, T -- Wada, Y -- Futai, M -- New York, N.Y. -- Science. 1999 Nov 26;286(5445):1722-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Division of Biological Sciences, Institute of Scientific and Industrial Research, Osaka University, CREST (Core Research for Evolutional Science and Technology) of Japan Science and Technology Corporation, Ibaraki, Osaka 567-0047, Japan.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10576736" target="_blank"〉PubMed〈/a〉
    Keywords: Actins/chemistry/metabolism ; Adenosine Triphosphate/*metabolism ; Binding Sites ; Biotinylation ; Energy Transfer ; Enzymes, Immobilized ; Escherichia coli/enzymology ; Hydrolysis ; Molecular Motor Proteins/*chemistry/*metabolism ; Proton-Motive Force ; Proton-Translocating ATPases/*chemistry/*metabolism ; Uncoupling Agents/metabolism/pharmacology ; Venturicidins/pharmacology ; Video Recording
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    Inner sanctum (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-05-18
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Schiff, H -- New York, N.Y. -- Science. 1999 Apr 23;284(5414):589, 591.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10328739" target="_blank"〉PubMed〈/a〉
    Keywords: *Consumer Participation ; *National Institutes of Health (U.S.) ; *Patient Advocacy ; *Peer Review, Research ; *Research Support as Topic ; United States
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    Requirement for Tec kinases Rlk and Itk in T cell receptor signaling and immunity (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-04-24
    Description: T cell receptor (TCR) signaling requires activation of Zap-70 and Src family tyrosine kinases, but requirements for other tyrosine kinases are less clear. Combined deletion in mice of two Tec kinases, Rlk and Itk, caused marked defects in TCR responses including proliferation, cytokine production, and apoptosis in vitro and adaptive immune responses to Toxoplasma gondii in vivo. Molecular events immediately downstream from the TCR were intact in rlk-/-itk-/- cells, but intermediate events including inositol trisphosphate production, calcium mobilization, and mitogen-activated protein kinase activation were impaired, establishing Tec kinases as critical regulators of TCR signaling required for phospholipase C-gamma activation.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Schaeffer, E M -- Debnath, J -- Yap, G -- McVicar, D -- Liao, X C -- Littman, D R -- Sher, A -- Varmus, H E -- Lenardo, M J -- Schwartzberg, P L -- New York, N.Y. -- Science. 1999 Apr 23;284(5414):638-41.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉National Human Genome Research Institute, National Cancer Institute, National Institute for Allergy and Infectious Diseases, NIH, Bethesda, MD 20892, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10213685" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Apoptosis ; CD4-CD8 Ratio ; Calcium Signaling ; Calcium-Calmodulin-Dependent Protein Kinases/metabolism ; Diglycerides/metabolism ; Gene Targeting ; Inositol Phosphates/metabolism ; Interferon-gamma/biosynthesis ; Interleukin-2/biosynthesis/pharmacology ; Isoenzymes/metabolism ; Killer Cells, Natural/immunology ; Lymphocyte Activation ; Mice ; Mutation ; Phospholipase C gamma ; Phosphorylation ; Protein-Tyrosine Kinases/genetics/*metabolism ; Receptors, Antigen, T-Cell/*metabolism ; *Signal Transduction ; T-Lymphocytes/*enzymology/*immunology ; Toxoplasmosis, Animal/immunology ; Type C Phospholipases/metabolism
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    Kennedy named Editor-in Chief of Science (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-12-28
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉New York, N.Y. -- Science. 1999 Nov 12;286(5443):1263.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10610526" target="_blank"〉PubMed〈/a〉
    Keywords: History, 20th Century ; *Periodicals as Topic/history ; Publishing/history ; *Science ; United States
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    Aging in the third millennium (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-02-27
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Schneider, E L -- New York, N.Y. -- Science. 1999 Feb 5;283(5403):796-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Leonard Davis School of Gerontology, Ethel Percy Andrus Gerontology Center, University of Southern California, Los Angeles, CA 90089-0191, USA. eschneid@usc.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10049123" target="_blank"〉PubMed〈/a〉
    Keywords: Aged ; Aged, 80 and over ; *Aging ; Chronic Disease/economics ; Economics ; *Health Status ; Housing for the Elderly ; Humans ; Medicare ; *Preventive Medicine ; *Research ; Social Security ; Transportation ; United States
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    Ca2+-induced apoptosis through calcineurin dephosphorylation of BAD (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-04-09
    Description: The Ca2+-activated protein phosphatase calcineurin induces apoptosis, but the mechanism is unknown. Calcineurin was found to dephosphorylate BAD, a pro-apoptotic member of the Bcl-2 family, thus enhancing BAD heterodimerization with Bcl-xL and promoting apoptosis. The Ca2+-induced dephosphorylation of BAD correlated with its dissociation from 14-3-3 in the cytosol and translocation to mitochondria where Bcl-xL resides. In hippocampal neurons, L-glutamate, an inducer of Ca2+ influx and calcineurin activation, triggered mitochondrial targeting of BAD and apoptosis, which were both suppressible by coexpression of a dominant-inhibitory mutant of calcineurin or pharmacological inhibitors of this phosphatase. Thus, a Ca2+-inducible mechanism for apoptosis induction operates by regulating BAD phosphorylation and localization in cells.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wang, H G -- Pathan, N -- Ethell, I M -- Krajewski, S -- Yamaguchi, Y -- Shibasaki, F -- McKeon, F -- Bobo, T -- Franke, T F -- Reed, J C -- AG-1593/AG/NIA NIH HHS/ -- CA-69381/CA/NCI NIH HHS/ -- HD25938/HD/NICHD NIH HHS/ -- etc. -- New York, N.Y. -- Science. 1999 Apr 9;284(5412):339-43.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉The Burnham Institute, 10901 North Torrey Pines Road, La Jolla, CA 92037, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10195903" target="_blank"〉PubMed〈/a〉
    Keywords: 14-3-3 Proteins ; Animals ; *Apoptosis ; Calcineurin/genetics/*metabolism ; Calcineurin Inhibitors ; Calcium/*metabolism/pharmacology ; Carrier Proteins/chemistry/*metabolism ; Cell Line ; Cells, Cultured ; Dimerization ; Enzyme Inhibitors/pharmacology ; Glutamic Acid/pharmacology ; Hippocampus/cytology ; Humans ; Mitochondria/metabolism ; Neurons/cytology/metabolism ; Phosphorylation ; Protein-Serine-Threonine Kinases/metabolism ; Proteins/metabolism ; Proto-Oncogene Proteins c-bcl-2/metabolism ; Rats ; Recombinant Fusion Proteins/metabolism ; Transfection ; *Tyrosine 3-Monooxygenase ; bcl-Associated Death Protein ; bcl-X Protein
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    Roles of phosphorylation sites in regulating activity of the transcription factor Pho4 (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-05-13
    Description: Transcription factors are often phosphorylated at multiple sites. Here it is shown that multiple phosphorylation sites on the budding yeast transcription factor Pho4 play distinct and separable roles in regulating the factor's activity. Phosphorylation of Pho4 at two sites promotes the factor's nuclear export and phosphorylation at a third site inhibits its nuclear import. Phosphorylation of a fourth site blocks the interaction of Pho4 with the transcription factor Pho2. Multiple phosphorylation sites provide overlapping and partially redundant layers of regulation that function to efficiently control the activity of Pho4.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Komeili, A -- O'Shea, E K -- New York, N.Y. -- Science. 1999 May 7;284(5416):977-80.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉University of California-San Francisco, Department of Biochemistry and Biophysics, 513 Parnassus Avenue, San Francisco, CA 94143-0448, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10320381" target="_blank"〉PubMed〈/a〉
    Keywords: Acid Phosphatase/metabolism ; Amino Acid Substitution ; Cell Nucleus/*metabolism ; Cyclin-Dependent Kinases/metabolism ; Cyclins/metabolism ; *DNA-Binding Proteins ; Fungal Proteins/genetics/*metabolism ; *Homeodomain Proteins ; Karyopherins ; *Membrane Transport Proteins ; Nuclear Localization Signals ; Phosphorylation ; Receptors, Cytoplasmic and Nuclear/metabolism ; Recombinant Fusion Proteins/metabolism ; *Repressor Proteins ; Saccharomyces cerevisiae/genetics/*metabolism ; *Saccharomyces cerevisiae Proteins ; Trans-Activators/metabolism ; Transcription Factors/genetics/*metabolism ; Transcription, Genetic
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    Biological warfare (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-12-28
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Abelson, P H -- New York, N.Y. -- Science. 1999 Nov 26;286(5445):1677.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10610560" target="_blank"〉PubMed〈/a〉
    Keywords: Aerosols ; *Air Microbiology ; Bacteria/isolation & purification/pathogenicity ; *Biological Warfare ; *Spectrometry, Mass, Matrix-Assisted Laser ; Desorption-Ionization/instrumentation/methods ; United States
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    NIH eyes sweeping reform of peer review (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-12-28
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Agnew, B -- New York, N.Y. -- Science. 1999 Nov 5;286(5442):1074-6.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10610519" target="_blank"〉PubMed〈/a〉
    Keywords: Internet ; *National Institutes of Health (U.S.) ; *Peer Review, Research ; Research Support as Topic ; United States
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    Crystal structure of the Zalpha domain of the human editing enzyme ADAR1 bound to left-handed Z-DNA (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-06-12
    Description: The editing enzyme double-stranded RNA adenosine deaminase includes a DNA binding domain, Zalpha, which is specific for left-handed Z-DNA. The 2.1 angstrom crystal structure of Zalpha complexed to DNA reveals that the substrate is in the left-handed Z conformation. The contacts between Zalpha and Z-DNA are made primarily with the "zigzag" sugar-phosphate backbone, which provides a basis for the specificity for the Z conformation. A single base contact is observed to guanine in the syn conformation, characteristic of Z-DNA. Intriguingly, the helix-turn-helix motif, frequently used to recognize B-DNA, is used by Zalpha to contact Z-DNA.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Schwartz, T -- Rould, M A -- Lowenhaupt, K -- Herbert, A -- Rich, A -- New York, N.Y. -- Science. 1999 Jun 11;284(5421):1841-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biology, Massachusetts Institute of Technology, Cambridge, MA 02139, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10364558" target="_blank"〉PubMed〈/a〉
    Keywords: Adenosine Deaminase/*chemistry/metabolism ; Amino Acid Sequence ; Binding Sites ; Crystallography, X-Ray ; DNA/chemistry/*metabolism ; Helix-Turn-Helix Motifs ; Humans ; Hydrogen Bonding ; Models, Molecular ; Molecular Sequence Data ; Nucleic Acid Conformation ; Protein Conformation ; Protein Structure, Secondary ; RNA-Binding Proteins ; Substrate Specificity ; Water/metabolism
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    Philanthropy's rising tide lifts science (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-11-30
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cohen, J -- New York, N.Y. -- Science. 1999 Oct 8;286(5438):214-23.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10577186" target="_blank"〉PubMed〈/a〉
    Keywords: Academies and Institutes/*economics ; Charities/*economics ; Financial Management ; Financing, Government ; Foundations/*economics/organization & administration ; *Fund Raising ; Government Agencies/economics ; *Research Support as Topic ; Taxes ; United States
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    NIH. Protests win challenge to peer-review proposal (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-12-28
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Agnew, B -- New York, N.Y. -- Science. 1999 Nov 19;286(5444):1453-4.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10610539" target="_blank"〉PubMed〈/a〉
    Keywords: *National Institutes of Health (U.S.) ; *Peer Review, Research ; United States
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Ambitious clinical trial stirs debate (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-10-16
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cohen, J -- New York, N.Y. -- Science. 1999 Sep 24;285(5436):2039, 2041-2.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10523191" target="_blank"〉PubMed〈/a〉
    Keywords: Acquired Immunodeficiency Syndrome/*drug therapy/immunology ; Anti-HIV Agents/*therapeutic use ; CD4 Lymphocyte Count ; *Controlled Clinical Trials as Topic ; Drug Therapy, Combination ; Humans ; Interleukin-2/*therapeutic use ; Multicenter Studies as Topic ; National Institutes of Health (U.S.) ; Peer Review, Research ; Recombinant Proteins/therapeutic use ; United States
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    Scientists block NIH plan to grant Ph.D.s (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-07-03
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Agnew, B -- New York, N.Y. -- Science. 1999 Jun 11;284(5421):1743.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10391784" target="_blank"〉PubMed〈/a〉
    Keywords: Biological Science Disciplines/*education ; Computational Biology/*education ; Curriculum ; *Education, Graduate ; Genetics/*education ; *National Institutes of Health (U.S.) ; Public Policy ; United States
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    NIH invites activists into the inner sanctum (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-04-17
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Agnew, B -- New York, N.Y. -- Science. 1999 Mar 26;283(5410):1999-2001.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10206900" target="_blank"〉PubMed〈/a〉
    Keywords: *Consumer Participation ; *National Institutes of Health (U.S.) ; *Patient Advocacy ; *Peer Review, Research ; *Research Support as Topic ; United States
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    Religion and science (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-07-03
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Weinberg, S -- New York, N.Y. -- Science. 1999 Jun 11;284(5421):1773.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10391793" target="_blank"〉PubMed〈/a〉
    Keywords: Foundations ; *Religion and Science ; Societies, Scientific ; United States
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    NCI asked to increase focus on minorities (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-02-13
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Agnew, B -- New York, N.Y. -- Science. 1999 Jan 29;283(5402):615-6.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9988652" target="_blank"〉PubMed〈/a〉
    Keywords: Budgets ; Humans ; Institute of Medicine (U.S.) ; Medically Underserved Area ; *Minority Groups ; *National Institutes of Health (U.S.) ; Neoplasms/*ethnology ; Research Support as Topic ; Risk Factors ; United States
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    Regulation of beta-catenin signaling by the B56 subunit of protein phosphatase 2A (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-03-26
    Description: Dysregulation of Wnt-beta-catenin signaling disrupts axis formation in vertebrate embryos and underlies multiple human malignancies. The adenomatous polyposis coli (APC) protein, axin, and glycogen synthase kinase 3beta form a Wnt-regulated signaling complex that mediates the phosphorylation-dependent degradation of beta-catenin. A protein phosphatase 2A (PP2A) regulatory subunit, B56, interacted with APC in the yeast two-hybrid system. Expression of B56 reduced the abundance of beta-catenin and inhibited transcription of beta-catenin target genes in mammalian cells and Xenopus embryo explants. The B56-dependent decrease in beta-catenin was blocked by oncogenic mutations in beta-catenin or APC, and by proteasome inhibitors. B56 may direct PP2A to dephosphorylate specific components of the APC-dependent signaling complex and thereby inhibit Wnt signaling.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Seeling, J M -- Miller, J R -- Gil, R -- Moon, R T -- White, R -- Virshup, D M -- 3P30CA42014/CA/NCI NIH HHS/ -- R01 CA71074/CA/NCI NIH HHS/ -- T32CA09602/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1999 Mar 26;283(5410):2089-91.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Oncological Sciences, Huntsman Cancer Institute, University of Utah, Salt Lake City, UT 84132, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10092233" target="_blank"〉PubMed〈/a〉
    Keywords: Adenomatous Polyposis Coli Protein ; Animals ; Calcium-Calmodulin-Dependent Protein Kinases/metabolism ; Cell Line ; Cysteine Endopeptidases/metabolism ; Cysteine Proteinase Inhibitors/pharmacology ; Cytoskeletal Proteins/genetics/*metabolism ; Down-Regulation ; Genes, Reporter ; Glycogen Synthase Kinase 3 ; Glycogen Synthase Kinases ; Humans ; Leupeptins/pharmacology ; Multienzyme Complexes/metabolism ; Mutation ; Phosphoprotein Phosphatases/chemistry/genetics/*metabolism ; Phosphorylation ; Proteasome Endopeptidase Complex ; Protein Phosphatase 2 ; Proto-Oncogene Proteins/*metabolism ; *Signal Transduction ; *Trans-Activators ; Transcriptional Activation ; Transfection ; Tumor Cells, Cultured ; Wnt Proteins ; Xenopus ; Xenopus Proteins ; *Zebrafish Proteins ; beta Catenin
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    Crystal structure of Thermotoga maritima ribosome recycling factor: a tRNA mimic (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-12-22
    Description: Ribosome recycling factor (RRF), together with elongation factor G (EF-G), catalyzes recycling of ribosomes after one round of protein synthesis. The crystal structure of RRF was determined at 2.55 angstrom resolution. The protein has an unusual fold where domain I is a long three-helix bundle and domain II is a three-layer beta/alpha/beta sandwich. The molecule superimposes almost perfectly with a transfer RNA (tRNA) except that the amino acid-binding 3' end is missing. The mimicry suggests that RRF interacts with the posttermination ribosomal complex in a similar manner to a tRNA, leading to disassembly of the complex. The structural arrangement of this mimicry is entirely different from that of other cases of less pronounced mimicry of tRNA so far described.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Selmer, M -- Al-Karadaghi, S -- Hirokawa, G -- Kaji, A -- Liljas, A -- New York, N.Y. -- Science. 1999 Dec 17;286(5448):2349-52.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Molecular Biophysics, Center for Chemistry and Chemical Engineering, Lund University, Post Office Box 124, SE-22100 Lund, Sweden.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10600747" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Binding Sites ; Crystallography, X-Ray ; Models, Molecular ; *Molecular Mimicry ; Molecular Sequence Data ; Nucleic Acid Conformation ; Peptide Elongation Factor G/chemistry ; Protein Biosynthesis ; Protein Conformation ; Protein Folding ; Protein Structure, Secondary ; Protein Structure, Tertiary ; Proteins/*chemistry/*metabolism ; RNA, Bacterial/chemistry/metabolism ; RNA, Fungal/chemistry/metabolism ; RNA, Transfer/*chemistry/metabolism ; RNA, Transfer, Phe/chemistry/metabolism ; Ribosomal Proteins ; Ribosomes/*metabolism ; Sequence Alignment ; Thermotoga maritima/*chemistry/metabolism
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    Scientific leaders balk at broad data release (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-01-30
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Agnew, B -- New York, N.Y. -- Science. 1999 Jan 15;283(5400):307, 309.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9925482" target="_blank"〉PubMed〈/a〉
    Keywords: Confidentiality ; Financing, Government ; Intellectual Property ; *Public Policy ; Research/*legislation & jurisprudence ; *Research Support as Topic ; Truth Disclosure ; United States
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    Xenografts and retroviruses (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-09-15
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Weiss, R A -- New York, N.Y. -- Science. 1999 Aug 20;285(5431):1221-2.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Wohl Virion Centre, Windeyer Institute of Medical Sciences, Univesity College, London W1) 6DB, UK. r.weiss@ucl.ac.uk〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10484730" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Animals, Genetically Modified ; *Gammaretrovirus/genetics/isolation & purification/physiology ; Graft Rejection ; Humans ; Retroviridae Infections/diagnosis/*transmission/virology ; *Risk Assessment ; Swine ; *Transplantation, Heterologous/adverse effects ; Tumor Virus Infections/diagnosis/*transmission/virology ; United States ; United States Food and Drug Administration ; Viremia/diagnosis ; Virus Replication ; *Zoonoses
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    Research shutdown roils Los Angeles VA (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-04-24
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cohen, J -- New York, N.Y. -- Science. 1999 Apr 2;284(5411):18-9, 21.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10215523" target="_blank"〉PubMed〈/a〉
    Keywords: Animal Experimentation ; *Clinical Trials as Topic ; Ethics Committees, Research ; *Federal Government ; Financing, Government ; *Government Regulation ; *Hospitals, Veterans ; Humans ; Informed Consent ; Los Angeles ; *Research ; Research Support as Topic ; United States ; *United States Department of Veterans Affairs/organization & administration ; United States Dept. of Health and Human Services
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    Proposed changes for NIH's Center for Scientific Review. Panel on Scientific Boundaries for Review. Center for Scientific Review Advisory Committee, National Institutes of Health (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-08-24
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Alberts, B M -- Ayala, F J -- Botstein, D -- Frank, E -- Holmes, E W -- Lee, R D -- Macagno, E R -- Marrack, P -- Oparil, S -- Orkin, S H -- Rubenstein, A H -- Slayman, C W -- Sparling, P F -- Squire, L R -- von Hippel, P H -- Yamamoto, K R -- New York, N.Y. -- Science. 1999 Jul 30;285(5428):666-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10454921" target="_blank"〉PubMed〈/a〉
    Keywords: National Institutes of Health (U.S.)/*organization & administration ; *Peer Review, Research ; Public Policy ; Research ; United States
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Colorado Nobelist chosen to lead Howard Hughes (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-04-24
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cohen, J -- New York, N.Y. -- Science. 1999 Apr 2;284(5411):18.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10215522" target="_blank"〉PubMed〈/a〉
    Keywords: Academies and Institutes/*organization & administration ; Administrative Personnel ; Colorado ; History, 20th Century ; Nobel Prize ; Research Support as Topic ; United States
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    A role for the proteasome in the light response of the timeless clock protein (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-09-11
    Description: The cyclic expression of the period (PER) and timeless (TIM) proteins is critical for the molecular circadian feedback loop in Drosophila. The entrainment by light of the circadian clock is mediated by a reduction in TIM levels. To elucidate the mechanism of this process, the sensitivity of TIM regulation by light was tested in an in vitro assay with inhibitors of candidate proteolytic pathways. The data suggested that TIM is degraded through a ubiquitin-proteasome mechanism. In addition, in cultures from third-instar larvae, TIM degradation was blocked specifically by inhibitors of proteasome activity. Degradation appeared to be preceded by tyrosine phosphorylation. Finally, TIM was ubiquitinated in response to light in cultured cells.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Naidoo, N -- Song, W -- Hunter-Ensor, M -- Sehgal, A -- New York, N.Y. -- Science. 1999 Sep 10;285(5434):1737-41.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Howard Hughes Medical Institute, Department of Neuroscience, University of Pennsylvania School of Medicine, Philadelphia, PA 19104, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10481010" target="_blank"〉PubMed〈/a〉
    Keywords: Acetylcysteine/analogs & derivatives/pharmacology ; Animals ; *Biological Clocks ; Cells, Cultured ; *Circadian Rhythm ; Cysteine Endopeptidases/*physiology ; Cysteine Proteinase Inhibitors/pharmacology ; Darkness ; Drosophila ; *Drosophila Proteins ; Feedback ; Insect Proteins/*metabolism ; Leucine/analogs & derivatives/pharmacology ; Leupeptins/pharmacology ; *Light ; Multienzyme Complexes/*physiology ; Neurons/*metabolism ; Phosphorylation ; Phosphotyrosine/metabolism ; Protease Inhibitors/pharmacology ; Proteasome Endopeptidase Complex ; Ubiquitins/metabolism
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    Nabel to head NIH Vaccine Research Center (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-04-17
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cohen, J -- New York, N.Y. -- Science. 1999 Mar 19;283(5409):1829, 1831.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10206884" target="_blank"〉PubMed〈/a〉
    Keywords: *AIDS Vaccines ; Administrative Personnel ; History, 20th Century ; National Institutes of Health (U.S.)/*organization & administration ; Research ; United States ; Vaccines
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    Scientific publications. The march of paradigms (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-04-17
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cohen, J -- New York, N.Y. -- Science. 1999 Mar 26;283(5410):1998-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10206899" target="_blank"〉PubMed〈/a〉
    Keywords: Medline ; *Publishing ; *Terminology as Topic ; United States
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    STAT5 interaction with the T cell receptor complex and stimulation of T cell proliferation (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-01-08
    Description: The role of STAT (signal transducer and activator of transcription) proteins in T cell receptor (TCR) signaling was analyzed. STAT5 became immediately and transiently phosphorylated on tyrosine 694 in response to TCR stimulation. Expression of the protein tyrosine kinase Lck, a key signaling protein in the TCR complex, activated DNA binding of transfected STAT5A and STAT5B to specific STAT inducible elements. The role of Lck in STAT5 activation was confirmed in a Lck-deficient T cell line in which the activation of STAT5 by TCR stimulation was abolished. Expression of Lck induced specific interaction of STAT5 with the subunits of the TCR, indicating that STAT5 may be directly involved in TCR signaling. Stimulation of T cell clones and primary T cell lines also induced the association of STAT5 with the TCR complex. Inhibition of STAT5 function by expression of a dominant negative mutant STAT5 reduced antigen-stimulated proliferation of T cells. Thus, TCR stimulation appears to directly activate STAT5, which may participate in the regulation of gene transcription and T cell proliferation during immunological responses.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Welte, T -- Leitenberg, D -- Dittel, B N -- al-Ramadi, B K -- Xie, B -- Chin, Y E -- Janeway, C A Jr -- Bothwell, A L -- Bottomly, K -- Fu, X Y -- AI34522/AI/NIAID NIH HHS/ -- GM46367/GM/NIGMS NIH HHS/ -- GM55590/GM/NIGMS NIH HHS/ -- etc. -- New York, N.Y. -- Science. 1999 Jan 8;283(5399):222-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Pathology, Yale University School of Medicine, New Haven, CT 06520, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9880255" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antibodies ; Antigen-Presenting Cells/immunology ; Antigens/immunology ; Cell Division ; Cell Line ; DNA-Binding Proteins/genetics/*metabolism ; Interferon-gamma/pharmacology ; Interleukin-2/pharmacology ; *Lymphocyte Activation ; Lymphocyte Specific Protein Tyrosine Kinase p56(lck)/genetics/metabolism ; Membrane Proteins/genetics/immunology/metabolism ; Mice ; Mice, Transgenic ; *Milk Proteins ; Phosphorylation ; Phosphotyrosine/metabolism ; Receptors, Antigen, T-Cell/genetics/immunology/*metabolism ; STAT5 Transcription Factor ; Signal Transduction ; T-Lymphocytes, Helper-Inducer/cytology/*immunology/metabolism ; Th2 Cells/immunology/metabolism ; Trans-Activators/genetics/*metabolism ; Transfection
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    CFTR chloride channel regulation by an interdomain interaction (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-10-16
    Description: The cystic fibrosis gene encodes a chloride channel, CFTR (cystic fibrosis transmembrane conductance regulator), that regulates salt and water transport across epithelial tissues. Phosphorylation of the cytoplasmic regulatory (R) domain by protein kinase A activates CFTR by an unknown mechanism. The amino-terminal cytoplasmic tail of CFTR was found to control protein kinase A-dependent channel gating through a physical interaction with the R domain. This regulatory activity mapped to a cluster of acidic residues in the NH(2)-terminal tail; mutating these residues proportionately inhibited R domain binding and CFTR channel function. CFTR activity appears to be governed by an interdomain interaction involving the amino-terminal tail, which is a potential target for physiologic and pharmacologic modulators of this ion channel.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Naren, A P -- Cormet-Boyaka, E -- Fu, J -- Villain, M -- Blalock, J E -- Quick, M W -- Kirk, K L -- DA10509/DA/NIDA NIH HHS/ -- DK50830/DK/NIDDK NIH HHS/ -- DK51868/DK/NIDDK NIH HHS/ -- etc. -- New York, N.Y. -- Science. 1999 Oct 15;286(5439):544-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Physiology and Biophysics, Gregory Fleming James Cystic Fibrosis Research Center, University of Alabama at Birmingham, Birmingham, AL 35294, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10521352" target="_blank"〉PubMed〈/a〉
    Keywords: Adenosine Triphosphate/metabolism ; Amino Acid Sequence ; Amino Acid Substitution ; Animals ; COS Cells ; Cyclic AMP/metabolism ; Cyclic AMP-Dependent Protein Kinases/metabolism ; Cystic Fibrosis Transmembrane Conductance ; Regulator/*chemistry/genetics/*metabolism ; DNA Mutational Analysis ; Humans ; *Ion Channel Gating ; Molecular Sequence Data ; Mutation ; Oocytes ; Patch-Clamp Techniques ; Phosphorylation ; Protein Structure, Secondary ; Recombinant Fusion Proteins/metabolism ; Xenopus
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Stem cells profile. A man in a hurry (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-04-17
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Alper, J -- New York, N.Y. -- Science. 1999 Mar 5;283(5407):1434-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10206867" target="_blank"〉PubMed〈/a〉
    Keywords: Aging ; Animals ; Bioethics ; *Biomedical Research ; Cattle ; Embryo Research ; Embryo, Mammalian/*cytology ; *Genetic Research ; History, 20th Century ; Humans ; Hybrid Cells ; Nuclear Transfer Techniques ; *Research ; *Stem Cells ; United States
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 156
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    Regulation of NMDA receptors by an associated phosphatase-kinase signaling complex (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-07-03
    Description: Regulation of N-methyl-D-aspartate (NMDA) receptor activity by kinases and phosphatases contributes to the modulation of synaptic transmission. Targeting of these enzymes near the substrate is proposed to enhance phosphorylation-dependent modulation. Yotiao, an NMDA receptor-associated protein, bound the type I protein phosphatase (PP1) and the adenosine 3',5'-monophosphate (cAMP)-dependent protein kinase (PKA) holoenzyme. Anchored PP1 was active, limiting channel activity, whereas PKA activation overcame constitutive PP1 activity and conferred rapid enhancement of NMDA receptor currents. Hence, yotiao is a scaffold protein that physically attaches PP1 and PKA to NMDA receptors to regulate channel activity.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Westphal, R S -- Tavalin, S J -- Lin, J W -- Alto, N M -- Fraser, I D -- Langeberg, L K -- Sheng, M -- Scott, J D -- F32 NS010202/NS/NINDS NIH HHS/ -- GM 48231/GM/NIGMS NIH HHS/ -- NS10202/NS/NINDS NIH HHS/ -- NS10543/NS/NINDS NIH HHS/ -- etc. -- New York, N.Y. -- Science. 1999 Jul 2;285(5424):93-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Howard Hughes Medical Institute, Vollum Institute, Oregon Health Sciences University, 3181 S.W. Sam Jackson Road, Portland, OR 97201, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10390370" target="_blank"〉PubMed〈/a〉
    Keywords: A Kinase Anchor Proteins ; *Adaptor Proteins, Signal Transducing ; Amino Acid Sequence ; Animals ; Binding Sites ; Carrier Proteins/*metabolism ; Cell Line ; Cyclic AMP/analogs & derivatives/pharmacology ; Cyclic AMP-Dependent Protein Kinases/*metabolism ; Cytoskeletal Proteins/*metabolism ; Enzyme Inhibitors/pharmacology ; Holoenzymes/metabolism ; Humans ; Molecular Sequence Data ; Okadaic Acid/pharmacology ; Patch-Clamp Techniques ; Peptide Fragments/pharmacology ; Phosphoprotein Phosphatases/*metabolism ; Phosphorylation ; Rats ; Receptors, N-Methyl-D-Aspartate/*metabolism ; Recombinant Fusion Proteins/metabolism ; Signal Transduction ; Thionucleotides/pharmacology ; Transfection
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Three-dimensional structure of the human TFIID-IIA-IIB complex (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-12-11
    Description: The multisubunit transcription factor IID (TFIID) is an essential component of the eukaryotic RNA polymerase II machinery that works in concert with TFIIA (IIA) and TFIIB (IIB) to assemble initiation complexes at core eukaryotic promoters. Here the structures of human TFIID and the TFIID-IIA-IIB complex that were obtained by electron microscopy and image analysis to 35 angstrom resolution are presented. TFIID is a trilobed, horseshoe-shaped structure, with TFIIA and TFIIB bound on opposite lobes and flanking a central cavity. Antibody studies locate the TATA-binding protein (TBP) between TFIIA and TFIIB at the top of the cavity that most likely encompasses the TATA DNA binding region of the supramolecular complex.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Andel, F 3rd -- Ladurner, A G -- Inouye, C -- Tjian, R -- Nogales, E -- New York, N.Y. -- Science. 1999 Dec 10;286(5447):2153-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Life Science Division, Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10591646" target="_blank"〉PubMed〈/a〉
    Keywords: Binding Sites ; DNA/metabolism ; DNA-Binding Proteins/chemistry/metabolism ; HeLa Cells ; Humans ; Image Processing, Computer-Assisted ; Microscopy, Electron ; Promoter Regions, Genetic ; Protein Conformation ; Recombinant Proteins/chemistry/metabolism ; TATA-Box Binding Protein ; Transcription Factor TFIIA ; Transcription Factor TFIIB ; Transcription Factor TFIID ; Transcription Factors/*chemistry/metabolism ; Transcription Factors, TFII/*chemistry/metabolism ; Transcription, Genetic
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    Reducing natural disasters (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-10-09
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lane, N -- New York, N.Y. -- Science. 1999 Sep 17;285(5435):1850-1.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10515788" target="_blank"〉PubMed〈/a〉
    Keywords: Disaster Planning/*organization & administration ; *Disasters ; Private Sector ; Public Policy ; United States
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Inner sanctum (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-05-18
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cook-Deegan, R M -- New York, N.Y. -- Science. 1999 Apr 23;284(5414):589.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10328738" target="_blank"〉PubMed〈/a〉
    Keywords: *Consumer Participation ; *National Institutes of Health (U.S.) ; *Patient Advocacy ; *Peer Review, Research ; *Research Support as Topic ; United States
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  • 160
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    A glycyl radical site in the crystal structure of a class III ribonucleotide reductase (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-03-05
    Description: Ribonucleotide reductases catalyze the reduction of ribonucleotides to deoxyribonucleotides. Three classes have been identified, all using free-radical chemistry but based on different cofactors. Classes I and II have been shown to be evolutionarily related, whereas the origin of anaerobic class III has remained elusive. The structure of a class III enzyme suggests a common origin for the three classes but shows differences in the active site that can be understood on the basis of the radical-initiation system and source of reductive electrons, as well as a unique protein glycyl radical site. A possible evolutionary relationship between early deoxyribonucleotide metabolism and primary anaerobic metabolism is suggested.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Logan, D T -- Andersson, J -- Sjoberg, B M -- Nordlund, P -- New York, N.Y. -- Science. 1999 Mar 5;283(5407):1499-504.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biochemistry and Department of Molecular Biology, Stockholm University, S-106 91 Stockholm, Sweden. derek@biokemi.su.se〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10066165" target="_blank"〉PubMed〈/a〉
    Keywords: Acetyltransferases/chemistry/metabolism ; Amino Acid Sequence ; Anaerobiosis ; Binding Sites ; Crystallography, X-Ray ; Dimerization ; Evolution, Molecular ; Glycine/*chemistry ; Hydrogen Bonding ; Models, Molecular ; Molecular Sequence Data ; Mutation ; Protein Conformation ; Protein Folding ; Protein Structure, Secondary ; Ribonucleotide Reductases/*chemistry/genetics/metabolism ; Viral Proteins/chemistry
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  • 161
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    Structural rearrangements underlying K+-channel activation gating (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-07-03
    Description: The intramembrane molecular events underlying activation gating in the Streptomyces K+ channel were investigated by site-directed spin-labeling methods and electron paramagnetic resonance spectroscopy. A comparison of the closed and open conformations of the channel revealed periodic changes in spin-label mobility and intersubunit spin-spin interaction consistent with rigid-body movements of the two transmembrane helices TM1 and TM2. These changes involve translations and counterclockwise rotations of both helices relative to the center of symmetry of the channel. The movement of TM2 increases the diameter of the permeation pathway along the point of convergence of the four subunits, thus opening the pore. Although the extracellular residues flanking the selectivity filter remained immobile during gating, small movements were detected at the C-terminal end of the pore helix, with possible implications to the gating mechanism.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Perozo, E -- Cortes, D M -- Cuello, L G -- GM54690/GM/NIGMS NIH HHS/ -- GM57846/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1999 Jul 2;285(5424):73-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Molecular Physiology and Biological Physics and Center for Structural Biology, University of Virginia Health Sciences Center, Charlottesville, VA 22906-0011, USA. eperozo@virginia.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10390363" target="_blank"〉PubMed〈/a〉
    Keywords: *Bacterial Proteins ; Binding Sites ; Circular Dichroism ; Cysteine/chemistry ; Electron Spin Resonance Spectroscopy ; Hydrogen-Ion Concentration ; *Ion Channel Gating ; Models, Molecular ; Potassium/*metabolism ; Potassium Channels/*chemistry/*physiology ; Protein Conformation ; Protein Structure, Secondary ; Rubidium/metabolism ; Sequence Deletion ; Streptomyces/chemistry/physiology
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    Perspectives: evolutionary biology. The evolutionary synthesis (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-12-28
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Stenseth, N C -- New York, N.Y. -- Science. 1999 Nov 19;286(5444):1490.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biology, University of Oslo, Oslo, Norway. n.c.stenseth@bio.uio.no〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10610549" target="_blank"〉PubMed〈/a〉
    Keywords: Academies and Institutes ; *Awards and Prizes ; *Biological Evolution ; England ; History, 20th Century ; Selection, Genetic ; Sweden ; United States
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    Neuronal activity-dependent cell survival mediated by transcription factor MEF2 (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-10-26
    Description: During mammalian development, electrical activity promotes the calcium-dependent survival of neurons that have made appropriate synaptic connections. However, the mechanisms by which calcium mediates neuronal survival during development are not well characterized. A transcription-dependent mechanism was identified by which calcium influx into neurons promoted cell survival. The transcription factor MEF2 was selectively expressed in newly generated postmitotic neurons and was required for the survival of these neurons. Calcium influx into cerebellar granule neurons led to activation of p38 mitogen-activated protein kinase-dependent phosphorylation and activation of MEF2. Once activated, MEF2 regulated neuronal survival by stimulating MEF2-dependent gene transcription. These findings demonstrate that MEF2 is a calcium-regulated transcription factor and define a function for MEF2 during nervous system development that is distinct from previously well-characterized functions of MEF2 during muscle differentiation.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Mao, Z -- Bonni, A -- Xia, F -- Nadal-Vicens, M -- Greenberg, M E -- 5T32NS07112/NS/NINDS NIH HHS/ -- NS28829/NS/NINDS NIH HHS/ -- P30-HD18655/HD/NICHD NIH HHS/ -- New York, N.Y. -- Science. 1999 Oct 22;286(5440):785-90.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Division of Neuroscience, Department of Neurology, Children's Hospital and Department of Neurobiology, Harvard Medical School, Boston, MA 02115, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10531066" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Apoptosis ; Calcium/metabolism ; Calcium Channels, L-Type/metabolism ; Cell Differentiation ; Cell Survival ; Cells, Cultured ; Cerebellum/cytology/metabolism ; Cerebral Cortex/cytology/embryology/metabolism ; DNA-Binding Proteins/genetics/*metabolism ; Dimerization ; Immunohistochemistry ; MEF2 Transcription Factors ; Mitogen-Activated Protein Kinases/metabolism ; Mitosis ; Mutation ; Myogenic Regulatory Factors ; Neurons/*cytology/*metabolism ; Phosphorylation ; Rats ; Signal Transduction ; Transcription Factors/genetics/*metabolism ; *Transcription, Genetic ; Transfection ; p38 Mitogen-Activated Protein Kinases
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    Unexpected modes of PDZ domain scaffolding revealed by structure of nNOS-syntrophin complex (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-04-30
    Description: The PDZ protein interaction domain of neuronal nitric oxide synthase (nNOS) can heterodimerize with the PDZ domains of postsynaptic density protein 95 and syntrophin through interactions that are not mediated by recognition of a typical carboxyl-terminal motif. The nNOS-syntrophin PDZ complex structure revealed that the domains interact in an unusual linear head-to-tail arrangement. The nNOS PDZ domain has two opposite interaction surfaces-one face has the canonical peptide binding groove, whereas the other has a beta-hairpin "finger." This nNOS beta finger docks in the syntrophin peptide binding groove, mimicking a peptide ligand, except that a sharp beta turn replaces the normally required carboxyl terminus. This structure explains how PDZ domains can participate in diverse interaction modes to assemble protein networks.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hillier, B J -- Christopherson, K S -- Prehoda, K E -- Bredt, D S -- Lim, W A -- New York, N.Y. -- Science. 1999 Apr 30;284(5415):812-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Cellular and Molecular Pharmacology, University of California, San Francisco, San Francisco, CA 94143, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10221915" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Binding Sites ; Crystallography, X-Ray ; Dimerization ; *Dystrophin-Associated Proteins ; Ligands ; Membrane Proteins/*chemistry/metabolism ; Molecular Sequence Data ; Muscle Proteins/*chemistry/metabolism ; Nitric Oxide Synthase/*chemistry/metabolism ; Nitric Oxide Synthase Type I ; Protein Conformation ; Protein Folding ; Protein Structure, Secondary ; Signal Transduction
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    Recognition of the codon-anticodon helix by ribosomal RNA (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-09-11
    Description: Translational fidelity is established by ribosomal recognition of the codon-anticodon interaction within the aminoacyl-transfer RNA (tRNA) site (A site) of the ribosome. Experiments are presented that reveal possible contacts between 16S ribosomal RNA and the codon-anticodon complex. N1 methylation of adenine at position 1492 (A1492) and A1493 interfered with A-site tRNA binding. Mutation of A1492 and A1493 to guanine or cytosine also impaired A-site tRNA binding. The deleterious effects of A1492G or A1493G (or both) mutations were compensated by 2'fluorine substitutions in the mRNA codon. The results suggest that the ribosome recognizes the codon-anticodon complex by adenine contacts to the messenger RNA backbone and provide a mechanism for molecular discrimination of correct versus incorrect codon-anticodon pairs.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Yoshizawa, S -- Fourmy, D -- Puglisi, J D -- GM51266/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1999 Sep 10;285(5434):1722-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Structural Biology, Stanford University School of Medicine, Stanford, CA 94305-5126, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10481006" target="_blank"〉PubMed〈/a〉
    Keywords: Adenine/analogs & derivatives/metabolism ; Anticodon/chemistry/*metabolism ; Binding Sites ; Biotin ; Codon/chemistry/*metabolism ; Escherichia coli ; Hydrogen Bonding ; Methylation ; Mutagenesis, Site-Directed ; *Nucleic Acid Conformation ; Paromomycin/pharmacology ; Protein Biosynthesis ; RNA, Bacterial/chemistry/metabolism ; RNA, Ribosomal, 16S/chemistry/genetics/*metabolism ; RNA, Transfer, Met/metabolism ; RNA, Transfer, Phe/metabolism ; Ribosomes/*metabolism
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    U.S., European backers differ on E-biomed plan (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-08-07
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Marshall, E -- New York, N.Y. -- Science. 1999 Jul 16;285(5426):315.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10438291" target="_blank"〉PubMed〈/a〉
    Keywords: Europe ; *Internet ; National Institutes of Health (U.S.) ; Peer Review, Research ; *Publishing ; Societies, Scientific ; United States
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Impaired Fas response and autoimmunity in Pten+/- mice (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-09-25
    Description: Inactivating mutations in the PTEN tumor suppressor gene, encoding a phosphatase, occur in three related human autosomal dominant disorders characterized by tumor susceptibility. Here it is shown that Pten heterozygous (Pten+/-) mutants develop a lethal polyclonal autoimmune disorder with features reminiscent of those observed in Fas-deficient mutants. Fas-mediated apoptosis was impaired in Pten+/- mice, and T lymphocytes from these mice show reduced activation-induced cell death and increased proliferation upon activation. Phosphatidylinositol (PI) 3-kinase inhibitors restored Fas responsiveness in Pten+/- cells. These results indicate that Pten is an essential mediator of the Fas response and a repressor of autoimmunity and thus implicate the PI 3-kinase/Akt pathway in Fas-mediated apoptosis.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Di Cristofano, A -- Kotsi, P -- Peng, Y F -- Cordon-Cardo, C -- Elkon, K B -- Pandolfi, P P -- AR45482/AR/NIAMS NIH HHS/ -- CA-08748/CA/NCI NIH HHS/ -- CA-82328/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1999 Sep 24;285(5436):2122-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Human Genetics-Molecular Biology Program, Memorial Sloan-Kettering Cancer Center, Sloan-Kettering Institute, 1275 York Avenue, New York, NY 10021, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10497129" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antibodies, Antinuclear/blood ; Antigens, CD95/*physiology ; *Apoptosis ; Autoimmune Diseases/*immunology/pathology ; B-Lymphocytes/immunology/pathology ; Female ; Heterozygote ; Immunoglobulin G/blood ; Kidney Diseases/*immunology/pathology ; Kidney Glomerulus/immunology/pathology ; Lymphocyte Activation ; Male ; Mice ; Mice, Inbred C57BL ; PTEN Phosphohydrolase ; Phosphatidylinositol 3-Kinases/antagonists & inhibitors/metabolism ; Phosphoric Monoester Hydrolases/genetics/*physiology ; Phosphorylation ; *Protein-Serine-Threonine Kinases ; Proto-Oncogene Proteins/metabolism ; Proto-Oncogene Proteins c-akt ; T-Lymphocytes/immunology/pathology ; *Tumor Suppressor Proteins
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    DOE builds a web site for the physical sciences (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-08-24
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Marshall, E -- New York, N.Y. -- Science. 1999 Aug 6;285(5429):811.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10454925" target="_blank"〉PubMed〈/a〉
    Keywords: *Government Agencies ; *Information Systems ; *Internet ; *Natural Science Disciplines ; *Publishing ; United States
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  • 169
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    Martin Rodbell (1925-1998) (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-04-03
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Birnbaumer, L -- New York, N.Y. -- Science. 1999 Mar 12;283(5408):1656.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Molecular, Cell and Developmental Biology, University of California, Los Angeles, CA 90095, USA. lutzb@ucla.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10189319" target="_blank"〉PubMed〈/a〉
    Keywords: History, 20th Century ; Models, Biological ; Physiology/history ; *Signal Transduction ; United States
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    Mitigating natural disasters (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-07-10
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Press, F -- Hamilton, R M -- New York, N.Y. -- Science. 1999 Jun 18;284(5422):1927.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10400533" target="_blank"〉PubMed〈/a〉
    Keywords: *Disaster Planning/organization & administration/trends ; *Disasters ; Public Policy ; United Nations ; United States
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  • 171
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    Redefining rats, mice, and birds. AAA (American Association of Anatomists) Public Affairs Committee (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-04-24
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Besharse, J C -- Carlson, B M -- Jenkins, D P -- Lester, D S -- Olds, J L -- Satir, P -- New York, N.Y. -- Science. 1999 Apr 2;284(5411):49-50.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10215528" target="_blank"〉PubMed〈/a〉
    Keywords: Animal Rights/*legislation & jurisprudence ; Animal Welfare/*legislation & jurisprudence ; Animals ; *Animals, Laboratory ; Birds ; Mice ; Rats ; Research ; Societies, Scientific ; United States ; United States Department of Agriculture/legislation & jurisprudence
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 172
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    President revokes plan to destroy smallpox (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-05-21
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Marshall, E -- New York, N.Y. -- Science. 1999 Apr 30;284(5415):718-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10336389" target="_blank"〉PubMed〈/a〉
    Keywords: *Biological Specimen Banks ; Containment of Biohazards ; Institute of Medicine (U.S.) ; Preservation, Biological ; Smallpox Vaccine ; United States ; *Variola virus ; Violence ; World Health Organization
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  • 173
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    The Frist-Rockefeller scenario (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-08-07
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lubell, M S -- New York, N.Y. -- Science. 1999 Jul 16;285(5426):338-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10438296" target="_blank"〉PubMed〈/a〉
    Keywords: *Budgets ; National Institutes of Health (U.S.)/*economics/legislation & jurisprudence ; Politics ; Research/economics/*legislation & jurisprudence ; United States
    Print ISSN: 0036-8075
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  • 174
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    NIH ethics office tapped for a promotion (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-07-03
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Marshall, E -- New York, N.Y. -- Science. 1999 Jun 11;284(5421):1749, 1751.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10391786" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Bioethics ; Budgets ; Human Experimentation ; Humans ; National Institutes of Health (U.S.)/*organization & administration ; Public Policy ; Research/*standards ; United States ; United States Dept. of Health and Human Services/*organization & administration
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  • 175
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    Nuclear fusion of signaling pathways (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-05-08
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Janknecht, R -- Hunter, T -- New York, N.Y. -- Science. 1999 Apr 16;284(5413):443-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Deparment of Biochemistry, Mayo Clinic, Rochester, MN 55905, USA. janknecht.ralf@mayo.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10232991" target="_blank"〉PubMed〈/a〉
    Keywords: Acetylation ; Astrocytes/*cytology/metabolism ; Bone Morphogenetic Protein 2 ; Bone Morphogenetic Protein Receptors ; Bone Morphogenetic Proteins/metabolism/pharmacology ; Cell Differentiation ; Cell Nucleus/metabolism ; Cytokines/metabolism/*pharmacology ; DNA-Binding Proteins/metabolism ; Dimerization ; Glial Fibrillary Acidic Protein/genetics ; Growth Inhibitors/metabolism/pharmacology ; *Interleukin-6 ; Leukemia Inhibitory Factor ; Lymphokines/metabolism/pharmacology ; Models, Biological ; Nuclear Proteins/*metabolism ; Phosphorylation ; Promoter Regions, Genetic ; Receptors, Cell Surface/metabolism ; Receptors, Cytokine/metabolism ; *Receptors, Growth Factor ; Receptors, OSM-LIF ; STAT3 Transcription Factor ; *Signal Transduction ; Smad Proteins ; Trans-Activators/*metabolism ; *Transcriptional Activation ; *Transforming Growth Factor beta
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  • 176
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    Which Jefferson was the father? (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-01-30
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Marshall, E -- New York, N.Y. -- Science. 1999 Jan 8;283(5399):153-4.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9925468" target="_blank"〉PubMed〈/a〉
    Keywords: Dna ; *Famous Persons ; Female ; History, 18th Century ; History, 19th Century ; Humans ; Male ; *Paternity ; Politics ; Publishing ; United States ; Y Chromosome
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  • 177
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    Oligomeric structure of the human EphB2 receptor SAM domain (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-02-05
    Description: The sterile alpha motif (SAM) domain is a protein interaction module that is present in diverse signal-transducing proteins. SAM domains are known to form homo- and hetero-oligomers. The crystal structure of the SAM domain from an Eph receptor tyrosine kinase, EphB2, reveals two large interfaces. In one interface, adjacent monomers exchange amino-terminal peptides that insert into a hydrophobic groove on each neighbor. A second interface is composed of the carboxyl-terminal helix and a nearby loop. A possible oligomer, constructed from a combination of these binding modes, may provide a platform for the formation of larger protein complexes.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Thanos, C D -- Goodwill, K E -- Bowie, J U -- New York, N.Y. -- Science. 1999 Feb 5;283(5403):833-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉UCLA-DOE Laboratory of Structural Biology and Molecular Medicine and Department of Chemistry and Biochemistry, University of California, Los Angeles, CA 90095, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9933164" target="_blank"〉PubMed〈/a〉
    Keywords: Binding Sites ; Crystallization ; Crystallography, X-Ray ; Dimerization ; GRB10 Adaptor Protein ; Humans ; Hydrogen Bonding ; Kinesin/metabolism ; Models, Molecular ; Myosins/metabolism ; Phosphorylation ; *Protein Conformation ; Protein Structure, Secondary ; Protein Tyrosine Phosphatases/metabolism ; Proteins/metabolism ; Receptor Aggregation ; Receptor Protein-Tyrosine Kinases/*chemistry/metabolism ; Receptor, EphB2 ; Recombinant Proteins/chemistry/metabolism ; Surface Properties
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  • 178
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    Kennewick man gets his day in the lab (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-03-20
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Holden, C -- New York, N.Y. -- Science. 1999 Feb 26;283(5406):1239-40.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10084923" target="_blank"〉PubMed〈/a〉
    Keywords: Government Agencies ; History, Ancient ; Humans ; *Indians, North American ; Male ; *Paleontology ; Skeleton ; Skull ; United States ; Washington
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  • 179
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    Budget finale. NIH gets $17.9 billion in another record year (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-12-28
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Malakoff, D -- New York, N.Y. -- Science. 1999 Nov 26;286(5445):1654.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10610554" target="_blank"〉PubMed〈/a〉
    Keywords: *Budgets ; Financing, Government ; National Institutes of Health (U.S.)/*economics/organization & administration ; *Research Support as Topic ; United States
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  • 180
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    Novel endotheliotropic herpesviruses fatal for Asian and African elephants (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-02-19
    Description: A highly fatal hemorrhagic disease has been identified in 10 young Asian and African elephants at North American zoos. In the affected animals there was ultrastructural evidence for herpesvirus-like particles in endothelial cells of the heart, liver, and tongue. Consensus primer polymerase chain reaction combined with sequencing yielded molecular evidence that confirmed the presence of two novel but related herpesviruses associated with the disease, one in Asian elephants and another in African elephants. Otherwise healthy African elephants with external herpetic lesions yielded herpesvirus sequences identical to that found in Asian elephants with endothelial disease. This finding suggests that the Asian elephant deaths were caused by cross-species infection with a herpesvirus that is naturally latent in, but normally not lethal to, African elephants. A reciprocal relationship may exist for the African elephant disease.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Richman, L K -- Montali, R J -- Garber, R L -- Kennedy, M A -- Lehnhardt, J -- Hildebrandt, T -- Schmitt, D -- Hardy, D -- Alcendor, D J -- Hayward, G S -- 1 K08 AI01526-01/AI/NIAID NIH HHS/ -- New York, N.Y. -- Science. 1999 Feb 19;283(5405):1171-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Smithsonian, National Zoological Park, Washington, DC 20008, USA. lkrichma@welchlink.welch.jhu.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10024244" target="_blank"〉PubMed〈/a〉
    Keywords: Africa ; Amino Acid Sequence ; Animals ; Animals, Zoo/*virology ; Asia ; Base Sequence ; DNA, Viral/genetics ; DNA-Directed DNA Polymerase/chemistry/genetics ; Elephants/*virology ; Endodeoxyribonucleases/chemistry/genetics ; Endothelium, Vascular/pathology/*virology ; Female ; Genes, Viral ; Hemorrhage/pathology/veterinary/virology ; Herpesviridae/classification/genetics/*isolation & purification ; Herpesviridae Infections/pathology/transmission/*veterinary/virology ; Inclusion Bodies, Viral/ultrastructure ; Male ; Molecular Sequence Data ; Phylogeny ; Polymerase Chain Reaction ; United States ; Viral Proteins/genetics
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    Community divides over push for bigger budget (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-06-26
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Malakoff, D -- New York, N.Y. -- Science. 1999 May 28;284(5419):1452-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10383319" target="_blank"〉PubMed〈/a〉
    Keywords: *Budgets/legislation & jurisprudence ; National Institutes of Health (U.S.)/*economics/legislation & jurisprudence ; *Politics ; Research/*economics/legislation & jurisprudence ; Research Support as Topic/legislation & jurisprudence ; United States
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  • 182
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    Are genetic tests adequately regulated? (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-11-30
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Holtzman, N A -- New York, N.Y. -- Science. 1999 Oct 15;286(5439):409.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10577197" target="_blank"〉PubMed〈/a〉
    Keywords: Genetic Testing/legislation & jurisprudence/*standards ; *Government Regulation ; Humans ; Predictive Value of Tests ; Probability ; Risk Factors ; United States ; United States Food and Drug Administration
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  • 183
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    Phosphorylation and regulation of Raf by Akt (protein kinase B) (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-11-27
    Description: Activation of the protein kinase Raf can lead to opposing cellular responses such as proliferation, growth arrest, apoptosis, or differentiation. Akt (protein kinase B), a member of a different signaling pathway that also regulates these responses, interacted with Raf and phosphorylated this protein at a highly conserved serine residue in its regulatory domain in vivo. This phosphorylation of Raf by Akt inhibited activation of the Raf-MEK-ERK signaling pathway and shifted the cellular response in a human breast cancer cell line from cell cycle arrest to proliferation. These observations provide a molecular basis for cross talk between two signaling pathways at the level of Raf and Akt.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Zimmermann, S -- Moelling, K -- New York, N.Y. -- Science. 1999 Nov 26;286(5445):1741-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institute of Medical Virology, University of Zurich, Gloriastrasse 30/32, CH-8028 Zurich, Switzerland.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10576742" target="_blank"〉PubMed〈/a〉
    Keywords: *Cell Division ; Cell Line ; Chromones/pharmacology ; Cyclin-Dependent Kinase Inhibitor p21 ; Cyclins/metabolism ; Enzyme Activation ; Enzyme Inhibitors/pharmacology ; Epidermal Growth Factor/pharmacology ; Flavonoids/pharmacology ; Humans ; *MAP Kinase Signaling System ; Morpholines/pharmacology ; Phosphatidylinositol 3-Kinases/antagonists & inhibitors/metabolism ; Phosphorylation ; Phosphoserine/metabolism ; Protein-Serine-Threonine Kinases/antagonists & inhibitors/*metabolism ; Proto-Oncogene Proteins/antagonists & inhibitors/*metabolism ; Proto-Oncogene Proteins c-akt ; Proto-Oncogene Proteins c-raf/antagonists & inhibitors/*metabolism ; Recombinant Fusion Proteins/metabolism ; Signal Transduction ; Somatomedins/pharmacology ; Tetradecanoylphorbol Acetate/pharmacology ; Tumor Cells, Cultured ; ras Proteins/metabolism
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  • 184
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    Techview: biochemistry. Biomolecule mass spectrometry (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-06-26
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉McLafferty, F W -- Fridriksson, E K -- Horn, D M -- Lewis, M A -- Zubarev, R A -- New York, N.Y. -- Science. 1999 May 21;284(5418):1289-90.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Chemistry and Chemical Biology, Cornell University, Ithaca, NY 14853-1301, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10383309" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Binding Sites ; DNA/*chemistry/isolation & purification/metabolism ; Mass Spectrometry/instrumentation/*methods ; Molecular Sequence Data ; Molecular Weight ; Proteins/*chemistry/isolation & purification/metabolism ; Sequence Analysis ; Sequence Analysis, DNA ; Thermodynamics ; Ubiquitins/chemistry
    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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  • 185
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    Activation of a floral homeotic gene in Arabidopsis (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-07-27
    Description: The patterned expression of floral homeotic genes in Arabidopsis depends on the earlier action of meristem-identity genes such as LEAFY, which encodes a transcription factor that determines whether a meristem will generate flowers instead of leaves and shoots. The LEAFY protein, which is expressed throughout the flower, participates in the activation of homeotic genes, which are expressed in specific regions of the flower. Analysis of a LEAFY-responsive enhancer in the homeotic gene AGAMOUS indicates that direct interaction of LEAFY with this enhancer is required for its activity in plants. Thus, LEAFY is a direct upstream regulator of floral homeotic genes.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Busch, M A -- Bomblies, K -- Weigel, D -- New York, N.Y. -- Science. 1999 Jul 23;285(5427):585-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉The Salk Institute for Biological Studies, 10010 North Torrey Pines Road, La Jolla, CA 92037, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10417388" target="_blank"〉PubMed〈/a〉
    Keywords: AGAMOUS Protein, Arabidopsis ; Arabidopsis/*genetics ; *Arabidopsis Proteins ; Binding Sites ; DNA-Binding Proteins/*genetics ; Enhancer Elements, Genetic ; *Gene Expression Regulation, Plant ; *Genes, Homeobox ; Genes, Plant ; Genes, Reporter ; Meristem/genetics/metabolism ; Plant Proteins/*genetics/*metabolism ; Plant Structures/genetics/metabolism ; Point Mutation ; Trans-Activators/genetics/metabolism ; *Transcription Factors ; *Transcriptional Activation
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Disappearing physician-scientists (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-02-27
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Varki, A -- New York, N.Y. -- Science. 1999 Feb 5;283(5403):791-2.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10049120" target="_blank"〉PubMed〈/a〉
    Keywords: *Career Choice ; Humans ; *Physicians/statistics & numerical data/trends ; *Research ; *Research Personnel/statistics & numerical data/trends ; Societies, Scientific ; United States
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 187
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    Scientific misconduct. Baylor saga comes to an end (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-03-13
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kaiser, J -- New York, N.Y. -- Science. 1999 Feb 19;283(5405):1091.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10075561" target="_blank"〉PubMed〈/a〉
    Keywords: Biomedical Research ; Federal Government ; *Government Regulation ; Jurisprudence ; Scientific Misconduct/*legislation & jurisprudence ; Texas ; United States ; United States Office of Research Integrity ; Universities/*legislation & jurisprudence
    Print ISSN: 0036-8075
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  • 188
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    Predicting the evolution of human influenza A (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-12-03
    Description: Eighteen codons in the HA1 domain of the hemagglutinin genes of human influenza A subtype H3 appear to be under positive selection to change the amino acid they encode. Retrospective tests show that viral lineages undergoing the greatest number of mutations in the positively selected codons were the progenitors of future H3 lineages in 9 of 11 recent influenza seasons. Codons under positive selection were associated with antibody combining site A or B or the sialic acid receptor binding site. However, not all codons in these sites had predictive value. Monitoring new H3 isolates for additional changes in positively selected codons might help identify the most fit extant viral strains that arise during antigenic drift.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bush, R M -- Bender, C A -- Subbarao, K -- Cox, N J -- Fitch, W M -- New York, N.Y. -- Science. 1999 Dec 3;286(5446):1921-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Ecology and Evolutionary Biology, University of California, Irvine, CA 92697, USA. rmbush@uci.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10583948" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Substitution ; *Antigenic Variation ; Binding Sites ; Codon ; Epitopes ; *Evolution, Molecular ; Forecasting ; Genes, Viral ; Hemagglutinin Glycoproteins, Influenza Virus/chemistry/*genetics/immunology ; Humans ; Influenza A virus/*genetics/immunology ; Influenza, Human/*virology ; Mutation ; *Phylogeny ; Probability ; Protein Structure, Tertiary ; Receptors, Cell Surface/metabolism ; Retrospective Studies ; Selection, Genetic
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  • 189
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    RAC nixes plan to treat retinoblastoma (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-07-17
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Garber, K -- New York, N.Y. -- Science. 1999 Jun 25;284(5423):2066.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10409057" target="_blank"〉PubMed〈/a〉
    Keywords: Advisory Committees ; Child, Preschool ; Clinical Protocols ; Clinical Trials as Topic ; DNA, Recombinant ; Federal Government ; *Genetic Therapy/adverse effects ; *Government Regulation ; Humans ; Infant ; National Institutes of Health (U.S.) ; *Public Policy ; Retinal Neoplasms/*therapy ; Retinoblastoma/*therapy ; *Risk Assessment ; United States ; United States Food and Drug Administration
    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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  • 190
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    Worlds apart? The reception of genetically modified foods in Europe and the U.S (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-07-20
    Description: Recent controversies about genetically modified foods in the United Kingdom and several other European countries highlight the apparent differences that exist in public opinion on this subject across the Atlantic. Why are people in the United States seemingly untroubled by a technology that causes Europeans so many difficulties? The results of survey research on public perceptions of biotechnology in Europe and the United States during 1996-1997, together with an analysis of press coverage and policy formation from 1984 to 1996, can help to answer this question.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Gaskell, G -- Bauer, M W -- Durant, J -- Allum, N C -- New York, N.Y. -- Science. 1999 Jul 16;285(5426):384-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Methodology Institute, Department of Social Psychology, London School of Economics, London WC2A 2AE, UK. G.Gaskell@lse.ac.uk〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10411496" target="_blank"〉PubMed〈/a〉
    Keywords: *Attitude ; *Biotechnology ; Crops, Agricultural/genetics ; Data Collection ; Europe ; *Food ; *Genetic Engineering ; Government Agencies ; Government Regulation ; Health Knowledge, Attitudes, Practice ; *Internationality ; Newspapers as Topic ; *Public Opinion ; Public Policy ; *Risk Assessment ; Transplantation, Heterologous ; Trust ; United Nations ; United States
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 191
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    Crosstalk between Rac and Rho (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-04-17
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Burridge, K -- New York, N.Y. -- Science. 1999 Mar 26;283(5410):2028-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Cell Biology, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA. kburridg@med.unc.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10206910" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Cycle Proteins/metabolism ; Cell Line ; Cell Movement ; GTP Phosphohydrolases/*metabolism ; GTP-Binding Proteins/*metabolism ; Intracellular Signaling Peptides and Proteins ; Myosin Light Chains/*metabolism ; Myosin-Light-Chain Kinase/antagonists & inhibitors/*metabolism ; Myosin-Light-Chain Phosphatase ; Phosphoprotein Phosphatases/metabolism ; Phosphorylation ; Protein-Serine-Threonine Kinases/*metabolism ; *Signal Transduction ; cdc42 GTP-Binding Protein ; p21-Activated Kinases ; rac GTP-Binding Proteins ; rho-Associated Kinases ; rhoA GTP-Binding Protein
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 192
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    Physician-scientists at risk (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-04-17
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cameron, O G -- New York, N.Y. -- Science. 1999 Mar 5;283(5407):1456.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10206873" target="_blank"〉PubMed〈/a〉
    Keywords: Managed Care Programs ; *Research ; *Research Support as Topic ; Schools, Medical/*economics ; United States
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  • 193
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    Keck helps five careers with $1 million grants (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-08-07
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Mervis, J -- New York, N.Y. -- Science. 1999 Jul 16;285(5426):312-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10438290" target="_blank"〉PubMed〈/a〉
    Keywords: Academic Medical Centers ; *Faculty ; *Foundations ; *Research Support as Topic ; United States ; Universities
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  • 194
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    Beta-secretase cleavage of Alzheimer's amyloid precursor protein by the transmembrane aspartic protease BACE (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-10-26
    Description: Cerebral deposition of amyloid beta peptide (Abeta) is an early and critical feature of Alzheimer's disease. Abeta generation depends on proteolytic cleavage of the amyloid precursor protein (APP) by two unknown proteases: beta-secretase and gamma-secretase. These proteases are prime therapeutic targets. A transmembrane aspartic protease with all the known characteristics of beta-secretase was cloned and characterized. Overexpression of this protease, termed BACE (for beta-site APP-cleaving enzyme) increased the amount of beta-secretase cleavage products, and these were cleaved exactly and only at known beta-secretase positions. Antisense inhibition of endogenous BACE messenger RNA decreased the amount of beta-secretase cleavage products, and purified BACE protein cleaved APP-derived substrates with the same sequence specificity as beta-secretase. Finally, the expression pattern and subcellular localization of BACE were consistent with that expected for beta-secretase. Future development of BACE inhibitors may prove beneficial for the treatment of Alzheimer's disease.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Vassar, R -- Bennett, B D -- Babu-Khan, S -- Kahn, S -- Mendiaz, E A -- Denis, P -- Teplow, D B -- Ross, S -- Amarante, P -- Loeloff, R -- Luo, Y -- Fisher, S -- Fuller, J -- Edenson, S -- Lile, J -- Jarosinski, M A -- Biere, A L -- Curran, E -- Burgess, T -- Louis, J C -- Collins, F -- Treanor, J -- Rogers, G -- Citron, M -- New York, N.Y. -- Science. 1999 Oct 22;286(5440):735-41.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Amgen, Inc., One Amgen Center Drive, M/S 29-2-B, Thousand Oaks, CA 91320-1799, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10531052" target="_blank"〉PubMed〈/a〉
    Keywords: Alzheimer Disease/drug therapy/*enzymology ; Amino Acid Motifs ; Amino Acid Sequence ; Amyloid Precursor Protein Secretases ; Amyloid beta-Peptides/*biosynthesis ; Amyloid beta-Protein Precursor/*metabolism ; Animals ; Aspartic Acid Endopeptidases/chemistry/genetics/*isolation & ; purification/*metabolism ; Binding Sites ; Brain/enzymology/metabolism ; Cell Line ; Cloning, Molecular ; Endopeptidases ; Endosomes/enzymology ; Gene Expression ; Gene Library ; Golgi Apparatus/enzymology ; Humans ; Hydrogen-Ion Concentration ; Molecular Sequence Data ; Oligonucleotides, Antisense/pharmacology ; Peptides/metabolism ; Protease Inhibitors/pharmacology ; RNA, Messenger/genetics/metabolism ; Recombinant Fusion Proteins/metabolism ; Transfection
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    p53- and ATM-dependent apoptosis induced by telomeres lacking TRF2 (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-02-26
    Description: Although broken chromosomes can induce apoptosis, natural chromosome ends (telomeres) do not trigger this response. It is shown that this suppression of apoptosis involves the telomeric-repeat binding factor 2 (TRF2). Inhibition of TRF2 resulted in apoptosis in a subset of mammalian cell types. The response was mediated by p53 and the ATM (ataxia telangiectasia mutated) kinase, consistent with activation of a DNA damage checkpoint. Apoptosis was not due to rupture of dicentric chromosomes formed by end-to-end fusion, indicating that telomeres lacking TRF2 directly signal apoptosis, possibly because they resemble damaged DNA. Thus, in some cells, telomere shortening may signal cell death rather than senescence.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Karlseder, J -- Broccoli, D -- Dai, Y -- Hardy, S -- de Lange, T -- GM49046/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1999 Feb 26;283(5406):1321-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratory for Cell Biology and Genetics, The Rockefeller University, New York, NY 10021, USA. Cell Genesys, Foster City, CA 94405, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10037601" target="_blank"〉PubMed〈/a〉
    Keywords: Adenoviridae/genetics/physiology ; Animals ; *Apoptosis ; Ataxia Telangiectasia/pathology ; Ataxia Telangiectasia Mutated Proteins ; B-Lymphocytes/cytology ; Cell Cycle Proteins ; Cell Line ; Cells, Cultured ; Cloning, Molecular ; DNA Damage ; DNA-Binding Proteins/chemistry/genetics/*physiology ; Genetic Vectors ; Humans ; In Situ Nick-End Labeling ; Mice ; Mitosis ; Phosphorylation ; *Protein-Serine-Threonine Kinases ; Proteins/metabolism ; T-Lymphocytes/cytology ; Telomere/*physiology ; Telomeric Repeat Binding Protein 2 ; Tumor Cells, Cultured ; Tumor Suppressor Protein p53/*metabolism ; Tumor Suppressor Proteins
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    Modulation of polyketide synthase activity by accessory proteins during lovastatin biosynthesis (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-05-21
    Description: Polyketides, the ubiquitous products of secondary metabolism in microorganisms, are made by a process resembling fatty acid biosynthesis that allows the suppression of reduction or dehydration reactions at specific biosynthetic steps, giving rise to a wide range of often medically useful products. The lovastatin biosynthesis cluster contains two type I polyketide synthase genes. Synthesis of the main nonaketide-derived skeleton was found to require the previously known iterative lovastatin nonaketide synthase (LNKS), plus at least one additional protein (LovC) that interacts with LNKS and is necessary for the correct processing of the growing polyketide chain and production of dihydromonacolin L. The noniterative lovastatin diketide synthase (LDKS) enzyme specifies formation of 2-methylbutyrate and interacts closely with an additional transesterase (LovD) responsible for assembling lovastatin from this polyketide and monacolin J.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kennedy, J -- Auclair, K -- Kendrew, S G -- Park, C -- Vederas, J C -- Hutchinson, C R -- AI43031/AI/NIAID NIH HHS/ -- New York, N.Y. -- Science. 1999 May 21;284(5418):1368-72.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉School of Pharmacy, Bacteriology Department, University of Wisconsin, Madison, WI 53706, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10334994" target="_blank"〉PubMed〈/a〉
    Keywords: Aspergillus/enzymology/genetics/*metabolism ; Aspergillus nidulans/enzymology/genetics/metabolism ; Binding Sites ; Butyrates/metabolism ; Esterases/*metabolism ; Fungal Proteins/*metabolism ; Genes, Fungal ; Lovastatin/*biosynthesis ; Multienzyme Complexes/chemistry/genetics/*metabolism ; Naphthalenes/metabolism
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  • 197
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    E-publication proposal (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-09-04
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kirschner, M W -- New York, N.Y. -- Science. 1999 Aug 13;285(5430):1013.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10475839" target="_blank"〉PubMed〈/a〉
    Keywords: *Internet ; National Institutes of Health (U.S.) ; Periodicals as Topic ; *Publishing ; United States
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  • 198
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    X-ray crystal structures of 70S ribosome functional complexes (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-09-25
    Description: Structures of 70S ribosome complexes containing messenger RNA and transfer RNA (tRNA), or tRNA analogs, have been solved by x-ray crystallography at up to 7.8 angstrom resolution. Many details of the interactions between tRNA and the ribosome, and of the packing arrangements of ribosomal RNA (rRNA) helices in and between the ribosomal subunits, can be seen. Numerous contacts are made between the 30S subunit and the P-tRNA anticodon stem-loop; in contrast, the anticodon region of A-tRNA is much more exposed. A complex network of molecular interactions suggestive of a functional relay is centered around the long penultimate stem of 16S rRNA at the subunit interface, including interactions involving the "switch" helix and decoding site of 16S rRNA, and RNA bridges from the 50S subunit.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cate, J H -- Yusupov, M M -- Yusupova, G Z -- Earnest, T N -- Noller, H F -- GM-17129/GM/NIGMS NIH HHS/ -- GM-59140/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1999 Sep 24;285(5436):2095-104.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Center for Molecular Biology of RNA, Sinsheimer Laboratories, University of California, Santa Cruz, CA 95064, USA. cate@wi.mit.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10497122" target="_blank"〉PubMed〈/a〉
    Keywords: Anticodon/metabolism ; Bacterial Proteins/chemistry/metabolism ; Base Pairing ; Binding Sites ; Crystallization ; Crystallography, X-Ray ; Fourier Analysis ; Models, Molecular ; Nucleic Acid Conformation ; Peptide Elongation Factors/metabolism ; Protein Biosynthesis ; Protein Conformation ; RNA, Bacterial/chemistry/metabolism ; RNA, Messenger/chemistry/metabolism ; RNA, Ribosomal/*chemistry/metabolism ; RNA, Ribosomal, 16S/chemistry ; RNA, Ribosomal, 23S/chemistry ; RNA, Transfer/*chemistry/metabolism ; Ribosomal Proteins/chemistry/metabolism ; Ribosomes/*chemistry/*physiology/ultrastructure ; Thermus thermophilus/*chemistry/ultrastructure
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  • 199
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    FDA weighs using tumor cell lines for vaccine development (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-10-09
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Vogel, G -- New York, N.Y. -- Science. 1999 Sep 17;285(5435):1826-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10515783" target="_blank"〉PubMed〈/a〉
    Keywords: Humans ; Neoplasms/etiology ; Risk Assessment ; *Tumor Cells, Cultured ; United States ; *United States Food and Drug Administration ; Vaccines/adverse effects/*biosynthesis ; Viral Vaccines/biosynthesis
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  • 200
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    Genetic enhancement in humans (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-04-17
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Gordon, J W -- New York, N.Y. -- Science. 1999 Mar 26;283(5410):2023-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Center for Laboratory Animal Sciences, Mount Sinai School of Medicine, New York, NY 10029, USA. jgordon@smtplink.mssm.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10206908" target="_blank"〉PubMed〈/a〉
    Keywords: Animal Experimentation ; Animals ; Bioethics ; Biological Evolution ; Breeding ; Embryo Research ; *Eugenics/legislation & jurisprudence ; *Gene Transfer Techniques ; *Genetic Engineering/legislation & jurisprudence ; *Genetic Enhancement ; Genetic Research ; Humans ; Informed Consent ; Public Policy ; Reproductive Techniques ; Research/legislation & jurisprudence ; Risk Assessment ; Selection, Genetic ; Social Responsibility ; Transgenes ; United States
    Print ISSN: 0036-8075
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