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  • Articles  (342)
  • United States  (189)
  • Rats  (73)
  • Transfection  (55)
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  • 1995-1999
  • 1990-1994  (342)
  • 1950-1954
  • 1990  (342)
  • Physics  (342)
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  • Articles  (342)
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  • 1995-1999
  • 1990-1994  (342)
  • 1950-1954
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  • 1
    Electronic Resource
    Electronic Resource
    Sensitivity of secular trends in precipitation data to observational errors (1990)
    Springer
    Pure and applied geophysics 134 (1990), S. 1-12 
    Details
    ISSN: 1420-9136
    Keywords: Precipitation ; trends ; climate changes ; data errors ; United States ; rainfall
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences , Physics
    Notes: Abstract There has been considerable interest in estimating secular trends in precipitation data in various regions of the world. It is therefore important to ascertain the manner in which errors of observation affect estimated trends. For this purpose we have compared trends at 1219 stations in the contiguous United States for two data sets: (a) original observations, also called “raw” observations, and (b) the observations, adjusted to compensate for suspected errors. The adjustments were made at the National Climate Data Center, Asheville (Quinlan et al., 1987;karl andWilliams, 1987), In order to focus on the effects of observational errors we attempted to avoid the effects of filling of missing data by limiting the analysis to the period 1940–1984 for which the number of missing values is much smaller than earlier periods. A least-square linear regression was performed on the raw and adjusted data for each station and the slopes of the fitted lines were compared. The comparison was made for monthly, seasonal and annual precipitation values. The results for annual precipitation showed that 23 percent of the stations have trends of opposite signs in the raw and adjusted data. The trends were identical in annual data at only 11 percent of the stations. When monthly data are combined to form seasonal and annual averages the magnitude of the difference between the slopes of the adjusted and the raw observations generally increases, indicating that the errors in the individual monthly observations are correlated. When the station data were averaged to obtain state-wide averages, the effects of the errors became less pronounced in most of the states. These results indicate that obtaining trends in precipitation from station data is a more difficult problem than has been realized.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00878076
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  • 2
    Electronic Resource
    Electronic Resource
    Studies on organ weights in naproxen treated rats after intermittent exposure to simulated high altitude (1990)
    Springer
    International journal of biometeorology 34 (1990), S. 90-92 
    Details
    ISSN: 1432-1254
    Keywords: Rats ; Naproxen ; Hypoxia ; Organ weight
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geography , Physics
    Notes: Abstract Rats were exposed intermittently for 8h per day over 6 days at simulated high altitude of 20 000 feet. One group of altitude-exposed animals was treated with naproxen, a prostaglandin inhibiting drug. Significant reduction in body weight gain was observed in both altitude-exposed and drug-treated altitude-exposed animals compared to the control group. Right and left ventricular weights and weights of the adrenal glands were increased significantly in altitude-exposed and altitude-exposed drug-treated animals. The weight of the spleen was increased significantly in altitude-exposed animals whereas no such increase of splenic weight was observed in drug-treated altitude-exposed group of animals. On the other hand, the weight of the liver was decreased significantly in both cases. In drug-treated altitude-exposed animals, the unaltered splenic weight was thought to be due to inhibition of the erythropoietic activity.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01093453
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  • 3
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    NIH director: sixth time lucky? (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1990-09-07
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Culliton, B J -- New York, N.Y. -- Science. 1990 Sep 7;249(4973):1101.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2204112" target="_blank"〉PubMed〈/a〉
    Keywords: History, 20th Century ; *National Institutes of Health (U.S.) ; United States
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 4
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    Better numbers on primate research (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1990-03-30
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉New York, N.Y. -- Science. 1990 Mar 30;247(4950):1539.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/11642762" target="_blank"〉PubMed〈/a〉
    Keywords: *Animal Experimentation ; *Animal Welfare ; Animals ; Humans ; Literature ; *Primates ; *Statistics as Topic ; Substance-Related Disorders ; United States
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 5
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    A G protein mutant that inhibits thrombin and purinergic receptor activation of phospholipase A2 (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1990-08-10
    Description: The stimulation of phospholipase A2 by thrombin and type 2 (P2)-purinergic receptor agonists in Chinese hamster ovary cells is mediated by the G protein Gi. To delineate alpha chain regulatory regions responsible for control of phospholipase A2, chimeric cDNAs were constructed in which different lengths of the alpha subunit of Gs (alpha s) were replaced with the corresponding sequence of the Gi alpha subunit (alpha i2). When a carboxyl-terminal chimera alpha s-i(38), which has the last 38 amino acids of alpha s substituted with the last 36 residues of alpha i2, was expressed in Chinese hamster ovary cells, the receptor-stimulated phospholipase A2 activity was inhibited, although the chimera could still activate adenylyl cyclase. Thus, alpha s-i(38) is an active alpha s, but also a dominant negative alpha i molecule, indicating that the last 36 amino acids of alpha i2 are a critical domain for G protein regulation of phospholipase A2 activity.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Gupta, S K -- Diez, E -- Heasley, L E -- Osawa, S -- Johnson, G L -- DK37871/DK/NIDDK NIH HHS/ -- GM30324/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1990 Aug 10;249(4969):662-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Division of Basic Sciences, National Jewish Center for Immunology and Respiratory Medicine, Denver, CO 80206.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2166341" target="_blank"〉PubMed〈/a〉
    Keywords: Adenosine Triphosphate/pharmacology ; Animals ; Arachidonic Acid ; Arachidonic Acids/metabolism ; Cell Line ; Chlorides/pharmacology ; Enzyme Activation ; GTP-Binding Proteins/*genetics/metabolism ; Inositol Phosphates/metabolism ; Kinetics ; Lithium/pharmacology ; Lithium Chloride ; Macromolecular Substances ; *Mutation ; Phospholipases/*metabolism ; Phospholipases A/*metabolism ; Phospholipases A2 ; Receptors, Purinergic/drug effects/*physiology ; Restriction Mapping ; Thrombin/antagonists & inhibitors/*pharmacology ; Transfection
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 6
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    NIH misconduct probes draw legal complaints (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1990-07-20
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Culliton, B J -- New York, N.Y. -- Science. 1990 Jul 20;249(4966):240-2.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2374923" target="_blank"〉PubMed〈/a〉
    Keywords: *Biomedical Research ; Editorial Policies ; Federal Government ; *Government Regulation ; *National Institutes of Health (U.S.) ; Periodicals as Topic ; Politics ; Scientific Misconduct/*legislation & jurisprudence ; United States ; Universities
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 7
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    Fraudbusters back at NIH (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1990-06-29
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Culliton, B J -- New York, N.Y. -- Science. 1990 Jun 29;248(4963):1599.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2363045" target="_blank"〉PubMed〈/a〉
    Keywords: Great Britain ; *National Institutes of Health (U.S.) ; Periodicals as Topic ; Politics ; Publishing ; *Scientific Misconduct ; United States ; United States Dept. of Health and Human Services
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 8
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    Slow going for blood substitutes (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1990-12-21
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pool, R -- New York, N.Y. -- Science. 1990 Dec 21;250(4988):1655-6.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2270476" target="_blank"〉PubMed〈/a〉
    Keywords: *Blood Substitutes/adverse effects ; Hemoglobins/*therapeutic use ; Humans ; National Institutes of Health (U.S.) ; United States ; United States Food and Drug Administration
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 9
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    NIH director: recommendations (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1990-05-18
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Singer, M F -- New York, N.Y. -- Science. 1990 May 18;248(4957):795.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2343298" target="_blank"〉PubMed〈/a〉
    Keywords: *Administrative Personnel ; Budgets ; National Institutes of Health (U.S.)/*organization & administration ; Politics ; Salaries and Fringe Benefits ; United States
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 10
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    A cytosolic protein catalyzes the release of GDP from p21ras (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1990-04-06
    Description: The rate of release of guanine nucleotides from the ras proteins (Ras) is extremely slow in the presence of Mg2+. It seemed likely, therefore that a factor might exist to accelerate the release of guanosine diphosphate (GDP), and hence the exchange of GDP for guanosine triphosphate (GTP). Such a factor has now been discovered in rat brain cytosol. Brain cytosol was found to catalyze, by orders of magnitude, the release of guanine nucleotides from recombinant v-H-Ras protein bound with [alpha-32P]GDP. This effect occurred even in the presence of a large excess of Mg2+, but was destroyed by heat or by incubation of the cytosol for an hour at 37 degrees C in the absence of phosphatase inhibitors. The effect was observed with either v-H-Ras or c-H-Ras, but not with p25rab3A, a small G protein with about 30% similarity to Ras. The effect could not be mimicked by addition of recombinant Ras-GAP or purified GEF, a guanine nucleotide exchange factor involved in the regulation of eukaryotic protein synthesis. By gel filtration chromatography, the factor appears to possess a molecular size between 100,000 and 160,000 daltons. This protein (Ras-guanine nucleotide-releasing factor, or Ras-GRF) may be involved in the activation of p21ras.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wolfman, A -- Macara, I G -- CA 43551/CA/NCI NIH HHS/ -- ES 01247/ES/NIEHS NIH HHS/ -- GM 41220/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1990 Apr 6;248(4951):67-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biophysics, University of Rochester Medical Center, NY 14642.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2181667" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Binding, Competitive ; Brain/metabolism ; Cholic Acids ; Cytosol/*metabolism ; Guanine Nucleotides/*metabolism ; Guanosine 5'-O-(3-Thiotriphosphate) ; Guanosine Diphosphate/*metabolism ; Guanosine Triphosphate/analogs & derivatives/metabolism ; Hot Temperature ; Immunosorbent Techniques ; Kinetics ; Magnesium Chloride/pharmacology ; Molecular Weight ; Proto-Oncogene Proteins/*metabolism ; Proto-Oncogene Proteins p21(ras) ; Rats ; Thionucleotides/metabolism
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 11
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    NIH seeks a chief, desperately (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1990-03-09
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Culliton, B J -- New York, N.Y. -- Science. 1990 Mar 9;247(4947):1176.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2315692" target="_blank"〉PubMed〈/a〉
    Keywords: *Administrative Personnel ; National Institutes of Health (U.S.)/*organization & administration ; United States
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 12
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    New transplant method evades immune attack (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1990-09-14
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Skerrett, P J -- New York, N.Y. -- Science. 1990 Sep 14;249(4974):1248.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2119053" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Diabetes Mellitus, Experimental/*surgery ; Graft Enhancement, Immunologic ; Immune Tolerance ; *Islets of Langerhans Transplantation ; Rats ; T-Lymphocytes/immunology ; Thymus Gland/surgery ; Transplantation, Heterotopic
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 13
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    Stanford psychiatry deal falls through (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1990-03-23
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Culliton, B J -- New York, N.Y. -- Science. 1990 Mar 23;247(4949 Pt 1):1405.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2321005" target="_blank"〉PubMed〈/a〉
    Keywords: California ; Hospitals ; Hospitals, Proprietary/*economics ; Hospitals, Psychiatric/*economics ; Hospitals, Teaching/*economics ; Hospitals, University/*economics ; Organizational Affiliation/*economics ; United States
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 14
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    Mycoplasmas in the AIDS spotlight (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1990-05-11
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wright, K -- New York, N.Y. -- Science. 1990 May 11;248(4956):682-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2333519" target="_blank"〉PubMed〈/a〉
    Keywords: Acquired Immunodeficiency Syndrome/*microbiology ; Animals ; HIV/isolation & purification/pathogenicity ; Humans ; Liver/microbiology ; Mycoplasma/*isolation & purification/pathogenicity ; National Institutes of Health (U.S.) ; Research/standards ; Research Design ; United States
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 15
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    Induction of AIDS in rhesus monkeys by molecularly cloned simian immunodeficiency virus (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1990-06-01
    Description: Better understanding of the pathogenesis of acquired immunodeficiency syndrome (AIDS) would be greatly facilitated by a relevant animal model that uses molecularly cloned virus of defined sequence to induce the disease. Such a system would also be of great value for AIDS vaccine research. An infectious molecular clone of simian immunodeficiency virus (SIV) was identified that induces AIDS in common rhesus monkeys in a time frame suitable for laboratory investigation. These results provide another strong link in the chain of evidence for the viral etiology of AIDS. More importantly, they define a system for molecular dissection of the determinants of AIDS pathogenesis.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kestler, H -- Kodama, T -- Ringler, D -- Marthas, M -- Pedersen, N -- Lackner, A -- Regier, D -- Sehgal, P -- Daniel, M -- King, N -- AI25328/AI/NIAID NIH HHS/ -- RR00168/RR/NCRR NIH HHS/ -- RR00169/RR/NCRR NIH HHS/ -- etc. -- New York, N.Y. -- Science. 1990 Jun 1;248(4959):1109-12.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉New England Regional Primate Research Center, Harvard Medical School, Southborough, MA 01772.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2160735" target="_blank"〉PubMed〈/a〉
    Keywords: *Acquired Immunodeficiency Syndrome ; Animals ; Antibodies, Viral/biosynthesis ; Cloning, Molecular ; *Disease Models, Animal ; Leukocytes, Mononuclear/microbiology ; Macaca mulatta ; Macrophages/microbiology ; Opportunistic Infections/etiology ; *Retroviridae Infections/complications/immunology ; *Simian Immunodeficiency Virus/genetics/immunology/isolation & ; purification/pathogenicity ; Transfection ; Virus Replication
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 16
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    Human genome initiative (1990)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1990-09-21
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sinsheimer, R L -- New York, N.Y. -- Science. 1990 Sep 21;249(4975):1359.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2402630" target="_blank"〉PubMed〈/a〉
    Keywords: *Human Genome Project ; Humans ; National Institutes of Health (U.S.) ; United States
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 17
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    Flying blind: the making of EMF policy (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1990-10-05
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pool, R -- New York, N.Y. -- Science. 1990 Oct 5;250(4977):23-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2218509" target="_blank"〉PubMed〈/a〉
    Keywords: *Electromagnetic Phenomena ; *Environmental Exposure ; Humans ; National Institutes of Health (U.S.) ; Neoplasms/*etiology ; United States ; United States Environmental Protection Agency
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 18
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    Oregon puts bold health plan on ice (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1990-08-03
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Morell, V -- New York, N.Y. -- Science. 1990 Aug 3;249(4968):468-71.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2382125" target="_blank"〉PubMed〈/a〉
    Keywords: Costs and Cost Analysis ; Delivery of Health Care/economics/*organization & administration ; Health Services/economics ; *Health Services Administration ; Humans ; Oregon ; United States
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 19
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    The need to reform personal injury law leaving scientific disputes to scientists (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1990-05-18
    Description: Personal injury law is staggeringly inefficient as a system of victim compensation. There is little reason to assume that it importantly curtails unreasonably dangerous conduct, yet there is good reason to conclude that it promotes socially undesirable behavior. Moreover, the tort law system ill serves the goal of individual justice, in part because it assumes that lay juries can correctly decide complex scientific issues. Several methods of replacing tort law with other compensation systems are surveyed and a specific, balanced reform package is proposed.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sugarman, S D -- New York, N.Y. -- Science. 1990 May 18;248(4957):823-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉University of California, Berkeley 94720.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2343303" target="_blank"〉PubMed〈/a〉
    Keywords: Accidents/economics/*legislation & jurisprudence ; Behavior ; Consumer Product Safety/legislation & jurisprudence ; Expert Testimony ; Humans ; Insurance, Liability/economics ; Malpractice/legislation & jurisprudence ; United States
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 20
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    Induction of cellular senescence in immortalized cells by human chromosome 1 (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1990-02-09
    Description: The control of cellular senescence by specific human chromosomes was examined in interspecies cell hybrids between diploid human fibroblasts and an immortal, Syrian hamster cell line. Most such hybrids exhibited a limited life span comparable to that of the human fibroblasts, indicating that cellular senescence is dominant in these hybrids. Karyotypic analyses of the hybrid clones that did not senesce revealed that all these clones had lost both copies of human chromosome 1, whereas all other human chromosomes were observed in at least some of the immortal hybrids. The application of selective pressure for retention of human chromosome 1 to the cell hybrids resulted in an increased percentage of hybrids that senesced. Further, the introduction of a single copy of human chromosome 1 to the hamster cells by microcell fusion caused typical signs of cellular senescence. Transfer of chromosome 11 had no effect on the growth of the cells. These findings indicate that human chromosome 1 may participate in the control of cellular senescence and further support a genetic basis for cellular senescence.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sugawara, O -- Oshimura, M -- Koi, M -- Annab, L A -- Barrett, J C -- New York, N.Y. -- Science. 1990 Feb 9;247(4943):707-10.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉National Institute of Environmental Health Sciences, National Institutes of Health, Research Triangle Park, NC 27709.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2300822" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Line ; Cell Survival/*genetics ; Chromosome Mapping ; *Chromosomes, Human, Pair 1 ; Clone Cells ; Cricetinae ; Diploidy ; Fibroblasts/*cytology ; Humans ; Hybrid Cells/*cytology ; Hypoxanthine Phosphoribosyltransferase/genetics ; Karyotyping ; Mice ; Ploidies ; Transfection ; Translocation, Genetic ; X Chromosome
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    Female primatologists confer--without men (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1990-09-28
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Dusheck, J -- New York, N.Y. -- Science. 1990 Sep 28;249(4976):1494-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2218487" target="_blank"〉PubMed〈/a〉
    Keywords: *Biological Evolution ; Congresses as Topic ; Female ; Humans ; Male ; Men ; United States ; *Women
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Disease puzzle nears solution (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1990-08-10
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Raphals, P -- New York, N.Y. -- Science. 1990 Aug 10;249(4969):619.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2166338" target="_blank"〉PubMed〈/a〉
    Keywords: Centers for Disease Control and Prevention (U.S.) ; Eosinophilia/chemically induced/epidemiology/*etiology ; Humans ; Muscular Diseases/chemically induced/epidemiology/*etiology ; New Mexico ; Pain/physiopathology ; Syndrome ; Tryptophan/*adverse effects ; United States
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    The antibiotic record (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1990-03-23
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Swan, H T -- New York, N.Y. -- Science. 1990 Mar 23;247(4949 Pt 1):1387-8.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2181661" target="_blank"〉PubMed〈/a〉
    Keywords: Anti-Bacterial Agents/*history ; Great Britain ; History, 20th Century ; Penicillins/history ; United States
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Society, cure thyself (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1990-04-06
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Koshland, D E Jr -- New York, N.Y. -- Science. 1990 Apr 6;248(4951):9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2321029" target="_blank"〉PubMed〈/a〉
    Keywords: Health Planning/*economics ; National Health Insurance, United States/*economics ; United States
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    Cleavage of amyloid beta peptide during constitutive processing of its precursor (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1990-06-01
    Description: The amyloid beta peptide (A beta P) is a small fragment of the much larger, broadly distributed amyloid precursor protein (APP). Abundant A beta P deposition in the brains of patients with Alzheimer's disease suggests that altered APP processing may represent a key pathogenic event. Direct protein structural analyses showed that constitutive processing in human embryonic kidney 293 cells cleaves APP in the interior of the A beta P, thus preventing A beta P deposition. A deficiency of this processing event may ultimately prove to be the etiological event in Alzheimer's disease that gives rise to senile plaque formation.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Esch, F S -- Keim, P S -- Beattie, E C -- Blacher, R W -- Culwell, A R -- Oltersdorf, T -- McClure, D -- Ward, P J -- New York, N.Y. -- Science. 1990 Jun 1;248(4959):1122-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Athena Neurosciences, Incorporated, South San Francisco, CA 94080.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2111583" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Amyloid/isolation & purification/*metabolism ; Amyloid beta-Protein Precursor ; Humans ; Molecular Sequence Data ; Peptide Fragments/isolation & purification ; Protein Precursors/isolation & purification/*metabolism ; Protein Processing, Post-Translational/*physiology ; Transfection
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    Acceleration of diabetes in young NOD mice with a CD4+ islet-specific T cell clone (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1990-09-21
    Description: Nonobese diabetic (NOD) mice develop an autoimmune form of diabetes, becoming hyperglycemic after 3 months of age. This process was accelerated by injecting young NOD mice with CD4+ islet-specific T cell clones derived from NOD mice. Overt diabetes developed in 10 of 19 experimental animals by 7 weeks of age, with the remaining mice showing marked signs of the disease in progress. Control mice did not become diabetic and had no significant pancreatic infiltration. This work demonstrates that a CD4 T cell clone is sufficient to initiate the disease process in the diabetes-prone NOD mouse.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Haskins, K -- McDuffie, M -- P01 DK40144/DK/NIDDK NIH HHS/ -- New York, N.Y. -- Science. 1990 Sep 21;249(4975):1433-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Barbara Davis Center for Childhood Diabetes, University of Colorado Health Sciences Center, Denver 80262.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2205920" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antigens, CD4/analysis/*immunology ; Clone Cells ; Diabetes Mellitus, Experimental/*immunology/pathology ; Female ; Islets of Langerhans/*immunology/pathology ; Male ; Mice ; Mice, Inbred Strains ; Mice, Mutant Strains ; T-Lymphocytes/*immunology/transplantation
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Priority one: rescue the environment (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1990-02-16
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Koshland, D E Jr -- New York, N.Y. -- Science. 1990 Feb 16;247(4944):777.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2305247" target="_blank"〉PubMed〈/a〉
    Keywords: Environmental Pollution/legislation & jurisprudence/*prevention & control ; United States ; United States Environmental Protection Agency
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    Molecular localization of the transforming and secretory properties of PDGF A and PDGF B (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1990-06-22
    Description: Human platelet-derived growth factor (PDGF) is a connective tissue cell mitogen comprised of two related chains encoded by distinct genes. The B chain is the homolog of the v-sis oncogene product. Properties that distinguish these ligands include greater transforming potency of the B chain and more efficient secretion of the A chain. By a strategy involving the generation of PDGF A and B chimeras, these properties were mapped to distinct domains of the respective molecules. Increased transforming efficiency segregated with the ability to activate both alpha and beta PDGF receptors. These findings genetically map PDGF B residues 105 to 144 as responsible for conformational alterations critical to beta PDGF receptor interaction and provide a mechanistic basis for the greater transforming potency of the PDGF B chain.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉LaRochelle, W J -- Giese, N -- May-Siroff, M -- Robbins, K C -- Aaronson, S A -- New York, N.Y. -- Science. 1990 Jun 22;248(4962):1541-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratory of Cellular and Molecular Biology, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2163109" target="_blank"〉PubMed〈/a〉
    Keywords: Cell Line, Transformed ; *Cell Transformation, Neoplastic ; Chimera ; Genetic Vectors ; Humans ; Ligands ; Platelet-Derived Growth Factor/*genetics/physiology/secretion ; Precipitin Tests ; Proto-Oncogene Proteins/*genetics/physiology ; Proto-Oncogene Proteins c-sis ; Receptors, Cell Surface/genetics ; Receptors, Platelet-Derived Growth Factor ; Transfection
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    A cDNA for a protein that interacts with the human immunodeficiency virus Tat transactivator (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1990-06-29
    Description: The human immunodeficiency virus (HIV) tat protein (Tat) is a positive regulator of virus gene expression and replication. Biotinylated Tat was used as a probe to screen a lambda gt11 fusion protein library, and a complementary DNA encoding a protein that interacts with Tat was cloned. Expression of this protein, designated TBP-1 (for Tat binding protein-1), was observed in a variety of cell lines, with expression being highest in human cells. TBP-1 was localized predominantly in the nucleus, which is consistent with the nuclear localization of Tat. In cotransfection experiments, expression of TBP-1 was able to specifically suppress Tat-mediated transactivation. The strategy described may be useful for direct identification and cloning of genes encoding proteins that associate with other proteins to modulate their activity in a positive or negative fashion.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Nelbock, P -- Dillon, P J -- Perkins, A -- Rosen, C A -- New York, N.Y. -- Science. 1990 Jun 29;248(4963):1650-3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Molecular Oncology and Virology, Roche Institute of Molecular Biology, Hoffmann-La Roche Inc., Nutley, NJ 07110.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2194290" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Cell Line ; Cloning, Molecular ; DNA, Neoplasm/genetics ; DNA-Binding Proteins/*genetics/metabolism ; Escherichia coli/genetics ; Gene Expression ; Gene Library ; Gene Products, tat/*metabolism ; HIV/genetics ; Humans ; Molecular Sequence Data ; Plasmids ; Polymerase Chain Reaction ; *Proteasome Endopeptidase Complex ; Recombinant Fusion Proteins/metabolism ; Trans-Activators/*metabolism ; Transcriptional Activation ; Transfection ; tat Gene Products, Human Immunodeficiency Virus
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    NIH Office of Scientific Integrity: policies and procedures (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1990-09-14
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hallum, J V -- Hadley, S W -- New York, N.Y. -- Science. 1990 Sep 14;249(4974):1227-8.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2399458" target="_blank"〉PubMed〈/a〉
    Keywords: *National Institutes of Health (U.S.) ; Public Policy ; Scientific Misconduct/*legislation & jurisprudence ; United States
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    Bromley promises small science focus (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1990-04-20
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Norman, C -- New York, N.Y. -- Science. 1990 Apr 20;248(4953):297.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2326641" target="_blank"〉PubMed〈/a〉
    Keywords: Budgets ; *Financing, Government ; National Institutes of Health (U.S.)/economics ; Research Support as Topic/*economics ; United States
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    Large-scale sequencing trials begin (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1990-12-07
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Roberts, L -- New York, N.Y. -- Science. 1990 Dec 7;250(4986):1336-8.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2255904" target="_blank"〉PubMed〈/a〉
    Keywords: *Gene Library ; *Genome, Human ; Human Genome Project ; Humans ; United States
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 33
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    Autophosphorylation of protein kinase C at three separated regions of its primary sequence (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1990-07-27
    Description: The major autophosphorylation sites of the rat beta II isozyme of protein kinase C were identified. The modified threonine and serine residues were found in the amino-terminal peptide, the carboxyl-terminal tail, and the hinge region between the regulatory lipid-binding domain and the catalytic kinase domain. Because this autophosphorylation follows an intrapeptide mechanism, extraordinary flexibility of the protein is necessary to phosphorylate the three regions. Comparison of the sequences surrounding the modified residues showed no obvious recognition motif nor any similarity to substrate phosphorylation sites, suggesting that proximity to the active site may be the primary criterion for their phosphorylation.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Flint, A J -- Paladini, R D -- Koshland, D E Jr -- DK09765/DK/NIDDK NIH HHS/ -- New York, N.Y. -- Science. 1990 Jul 27;249(4967):408-11.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Molecular and Cellular Biology, University of California, Berkeley 94720.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2377895" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Binding Sites ; Brain/enzymology ; Cloning, Molecular ; Isoenzymes/genetics/*metabolism ; Molecular Sequence Data ; Peptide Fragments/isolation & purification/metabolism ; Phosphorylation ; Protein Conformation ; Protein Kinase C/genetics/*metabolism ; Rats ; Recombinant Proteins/metabolism ; Signal Transduction ; Trypsin
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    Tough times ahead for the genome project (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1990-06-29
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Roberts, L -- New York, N.Y. -- Science. 1990 Jun 29;248(4963):1600-1.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2363046" target="_blank"〉PubMed〈/a〉
    Keywords: Biomedical Research ; Federal Government ; Human Genome Project/*economics/legislation & jurisprudence ; Humans ; Research Support as Topic ; Resource Allocation ; United States
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  • 35
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    Pinning down sequencing costs (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1990-12-21
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉New York, N.Y. -- Science. 1990 Dec 21;250(4988):1663.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2270479" target="_blank"〉PubMed〈/a〉
    Keywords: Cost Control ; DNA/*genetics ; Government Agencies ; Human Genome Project/*economics ; Humans ; National Institutes of Health (U.S.) ; United States
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    A meeting of the minds on the genome project? (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1990-11-09
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Roberts, L -- New York, N.Y. -- Science. 1990 Nov 9;250(4982):756-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2237425" target="_blank"〉PubMed〈/a〉
    Keywords: Federal Government ; Government Agencies ; *Human Genome Project ; National Institutes of Health (U.S.) ; *Research Design ; Resource Allocation ; United States
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 37
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    Identification of a sequence in the PEPCK gene that mediates a negative effect of insulin on transcription (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1990-08-03
    Description: Phosphoenolpyruvate carboxykinase (PEPCK) governs the rate-limiting step in gluconeogenesis. Glucocorticoids and adenosine 3',5'-monophosphate (cAMP) increase PEPCK gene transcription and gluconeogenesis, whereas insulin has the opposite effect. Insulin is dominant, since it prevents cAMP and glucocorticoid-stimulated transcription. Glucocorticoid and cAMP response elements have been located in the PEPCK gene and now a 15-base pair insulin-responsive sequence (IRS) is described. Evidence for a binding activity that recognizes this sequence is presented.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉O'Brien, R M -- Lucas, P C -- Forest, C D -- Magnuson, M A -- Granner, D K -- DK 20593/DK/NIDDK NIH HHS/ -- DK 35107/DK/NIDDK NIH HHS/ -- New York, N.Y. -- Science. 1990 Aug 3;249(4968):533-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Molecular Physiology and Biophysics, Vanderbilt University Medical School, Nashville, TN 37232-0615.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2166335" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Base Sequence ; Cell Line ; Chloramphenicol O-Acetyltransferase/genetics/metabolism ; Cyclic AMP/analogs & derivatives/physiology ; Dexamethasone/pharmacology ; *Genes, Regulator ; Insulin/*pharmacology ; Molecular Sequence Data ; Phosphoenolpyruvate Carboxykinase (GTP)/*genetics/metabolism ; RNA, Messenger/drug effects/genetics ; Recombinant Fusion Proteins/metabolism ; Thionucleotides ; Transcription, Genetic/*drug effects ; Transfection
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  • 38
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    RAG-1 and RAG-2, adjacent genes that synergistically activate V(D)J recombination (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1990-06-22
    Description: The vast repertoire of immunoglobulins and T cell receptors is generated, in part, by V(D)J recombination, a series of genomic rearrangements that occur specifically in developing lymphocytes. The recombination activating gene, RAG-1, which is a gene expressed exclusively in maturing lymphoid cells, was previously isolated. RAG-1 inefficiently induced V(D)J recombinase activity when transfected into fibroblasts, but cotransfection with an adjacent gene, RAG-2, has resulted in at least a 1000-fold increase in the frequency of recombination. The 2.1-kilobase RAG-2 complementary DNA encodes a putative protein of 527 amino acids whose sequence is unrelated to that of RAG-1. Like RAG-1, RAG-2 is conserved between species that carry out V(D)J recombination, and its expression pattern correlates precisely with that of V(D)J recombinase activity. In addition to being located just 8 kilobases apart, these convergently transcribed genes are unusual in that most, if not all, of their coding and 3' untranslated sequences are contained in single exons. RAG-1 and RAG-2 might activate the expression of the V(D)J recombinase but, more likely, they directly participate in the recombination reaction.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Oettinger, M A -- Schatz, D G -- Gorka, C -- Baltimore, D -- GM39458/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1990 Jun 22;248(4962):1517-23.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Whitehead Institute for Biomedical Research, Cambridge, MA 02142.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2360047" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Base Sequence ; Biological Evolution ; Cattle ; Cell Line ; Chickens ; Cricetinae ; DNA/*genetics ; DNA Nucleotidyltransferases/*genetics ; *DNA-Binding Proteins ; Dogs ; Female ; *Gene Rearrangement, B-Lymphocyte ; *Gene Rearrangement, T-Lymphocyte ; *Homeodomain Proteins ; Humans ; Male ; Mice ; Molecular Sequence Data ; *Multigene Family ; Nuclear Proteins ; Nucleic Acid Hybridization ; Opossums ; Proteins/*genetics ; Rabbits ; Recombination, Genetic/*genetics ; Restriction Mapping ; Transfection ; Turtles ; VDJ Recombinases
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    A new arbovirus from Aedes albopictus, an Asian mosquito established in the United States (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1990-12-21
    Description: Ten strains of a new arbovirus belonging to the Bunyamwera group (Bunyaviridae) were recovered from field-collected Aedes albopictus mosquitoes in Potosi, Missouri. This evidence indicates that this species may serve as an arbovirus vector in the United States. The urban-suburban distribution, aggressive biting behavior, and broad viral susceptibility of Ae. albopictus may lead to the transmission of viruses of known public health importance and perhaps of viruses hitherto not transmitted to humans because of the feeding pattern of their usual vectors.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Francy, D B -- Karabatsos, N -- Wesson, D M -- Moore, C G Jr -- Lazuick, J S -- Niebylski, M L -- Tsai, T F -- Craig, G B Jr -- New York, N.Y. -- Science. 1990 Dec 21;250(4988):1738-40.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Division of Vector-Borne Infectious Diseases, Centers for Disease Control, U.S. Public Health Service, Fort Collins, CO 80522.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2270489" target="_blank"〉PubMed〈/a〉
    Keywords: Aedes/*microbiology ; Animals ; Arboviruses/*isolation & purification ; Asia ; Humans ; Insect Vectors ; United States
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 40
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    Expression of T cell antigen receptor heterodimers in a lipid-linked form (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1990-08-10
    Description: The interaction of the T cell receptor for antigen (TCR) with its antigen-major histocompatibility complex ligand is difficult to study because both are cell surface multimers. The TCR consists of two chains (alpha and beta) that are complexed to the five or more nonpolymorphic CD3 polypeptides. A soluble form of the TCR was engineered by replacing the carboxyl termini of alpha and beta with signal sequences from lipid-linked proteins, making them susceptible to enzymatic cleavage. In this manner, TCR heterodimers can be expressed independently of the CD3 polypeptides and in significant quantities (0.5 milligram per week). This technique seems generalizable to biochemical and structural studies of many other cell surface molecules as well.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lin, A Y -- Devaux, B -- Green, A -- Sagerstrom, C -- Elliott, J F -- Davis, M M -- New York, N.Y. -- Science. 1990 Aug 10;249(4969):677-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Howard Hughes Medical Institute, Stanford University School of Medicine, CA 94305-5402.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1696397" target="_blank"〉PubMed〈/a〉
    Keywords: Alkaline Phosphatase/genetics ; Amino Acid Sequence ; Animals ; Antigens, CD3 ; Antigens, CD55 ; Antigens, Differentiation, T-Lymphocyte/genetics ; Cell Line ; Complement Inactivator Proteins/genetics ; Female ; Humans ; Macromolecular Substances ; Membrane Proteins/genetics ; Molecular Sequence Data ; Placenta/enzymology ; Pregnancy ; Protein Sorting Signals/genetics ; Receptors, Antigen, T-Cell/*genetics ; Transfection
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    What's holding up "aversives" report? (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1990-08-31
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Holden, C -- New York, N.Y. -- Science. 1990 Aug 31;249(4972):980-1.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2396100" target="_blank"〉PubMed〈/a〉
    Keywords: *Aversive Therapy ; Electroconvulsive Therapy ; Humans ; Intellectual Disability/*therapy ; National Institutes of Health (U.S.) ; Self Mutilation/prevention & control ; United States
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  • 42
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    An insertion in the human thyrotropin receptor critical for high affinity hormone binding (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1990-09-21
    Description: Thyrotropin (TSH), luteinizing hormone (LH), and chorionic gonadotropin (CG) are structurally related glycoprotein hormones, which bind to receptors that share a high degree of sequence similarity. However, comparison of the primary amino acid sequences of the TSH and LH-CG receptors reveals two unique insertions of 8 and 50 amino acids in the extracellular domain of the TSH receptor. The functional significance of these insertions were determined by site-directed mutagenesis. Deletion of the 50-amino acid tract (residues 317 to 366) had no effect on TSH binding or on TSH and thyroid-stimulating immunoglobulin (TSI) biological activities. In contrast, either deletion or substitution of the eight-amino acid region (residues 38 to 45) abolished these activities. This eight-amino acid tract near the amino terminus of the TSH receptor appears to be an important site of interaction for both TSH and TSI.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wadsworth, H L -- Chazenbalk, G D -- Nagayama, Y -- Russo, D -- Rapoport, B -- DK-19289/DK/NIDDK NIH HHS/ -- DK-36182/DK/NIDDK NIH HHS/ -- New York, N.Y. -- Science. 1990 Sep 21;249(4975):1423-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Medicine, Veterans Administration Medical Center, San Francisco, CA 94121.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2169649" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Base Sequence ; Binding Sites ; Cell Line ; Chromosome Deletion ; Clone Cells ; Cyclic AMP/metabolism ; Humans ; Molecular Sequence Data ; Mutation ; Oligonucleotide Probes ; Receptors, Thyrotropin/*genetics/metabolism ; Thyrotropin/*metabolism/pharmacology ; Transfection
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    beta-Arrestin: a protein that regulates beta-adrenergic receptor function (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1990-06-22
    Description: Homologous or agonist-specific desensitization of beta-adrenergic receptors is thought to be mediated by a specific kinase, the beta-adrenergic receptor kinase (beta ARK). However, recent data suggest that a cofactor is required for this kinase to inhibit receptor function. The complementary DNA for such a cofactor was cloned and found to encode a 418-amino acid protein homologous to the retinal protein arrestin. The protein, termed beta-arrestin, was expressed and partially purified. It inhibited the signaling function of beta ARK-phosphorylated beta-adrenergic receptors by more than 75 percent, but not that of rhodopsin. It is proposed that beta-arrestin in concert with beta ARK effects homologous desensitization of beta-adrenergic receptors.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lohse, M J -- Benovic, J L -- Codina, J -- Caron, M G -- Lefkowitz, R J -- DK19318/DK/NIDDK NIH HHS/ -- HL16037/HL/NHLBI NIH HHS/ -- New York, N.Y. -- Science. 1990 Jun 22;248(4962):1547-50.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Howard Hughes Medical Institute, Department of Medicine, Biochemistry and Cell Biology, Durham, NC 27710.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2163110" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Antigens/*genetics/isolation & purification/pharmacology ; Arrestin ; Blotting, Northern ; Chromatography, Ion Exchange ; Cloning, Molecular ; *Cyclic AMP-Dependent Protein Kinases ; DNA/genetics ; Eye Proteins/*genetics/isolation & purification/pharmacology ; Gene Expression Regulation ; Molecular Sequence Data ; Phosphodiesterase Inhibitors/*pharmacology ; Phosphorylation ; Protein Kinases/*pharmacology ; RNA, Messenger/analysis ; Receptors, Adrenergic, beta/*drug effects/physiology ; Transfection ; beta-Adrenergic Receptor Kinases
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  • 44
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    Defective presentation of endogenous antigen by a cell line expressing class I molecules (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1990-04-20
    Description: Cytotoxic T lymphocytes (CTLs) recognize class I major histocompatibility complex (MHC) molecules associated with antigenic peptides derived from endogenously synthesized proteins. Binding to such peptides is a requirement for class I assembly in the endoplasmic reticulum (ER). A mutant human cell line, T2, assembles and transports to its surface some, but not all, class I MHC molecules. The class I molecules expressed on the surface of T2 do not present peptides derived from cytosolic antigens, although they can present exogenously added peptides to CTL. The transported class I molecules may interact weakly with an unknown retaining factor in the ER such that they can assemble despite the relative shortage of peptides.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hosken, N A -- Bevan, M J -- AI-19335/AI/NIAID NIH HHS/ -- New York, N.Y. -- Science. 1990 Apr 20;248(4953):367-70.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Immunology, Research Institute of Scripps Clinic, La Jolla, CA 92037.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2326647" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antigen-Presenting Cells/*immunology ; Antigens/immunology ; Antigens, Viral/immunology ; B-Lymphocytes/immunology ; Capsid/immunology ; Cell Line ; Endoplasmic Reticulum/immunology ; Gene Expression ; H-2 Antigens/genetics/immunology ; HLA Antigens/genetics ; Histocompatibility Antigens Class I/*immunology ; Histocompatibility Antigens Class II/genetics ; Humans ; Mice ; Mutation ; Ovalbumin/immunology ; Peptides/immunology ; T-Lymphocytes, Cytotoxic/immunology ; Transfection ; Tumor Cells, Cultured ; Viral Core Proteins/immunology
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    Uncertainties about health effects of radon (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1990-10-19
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Abelson, P H -- New York, N.Y. -- Science. 1990 Oct 19;250(4979):353.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2218536" target="_blank"〉PubMed〈/a〉
    Keywords: Humans ; *Radiation Effects ; *Radon ; United States ; United States Environmental Protection Agency
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    Grant financing: PI salaries (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1990-03-23
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Rosenzweig, R M -- New York, N.Y. -- Science. 1990 Mar 23;247(4949 Pt 1):1385.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2321003" target="_blank"〉PubMed〈/a〉
    Keywords: *National Institutes of Health (U.S.) ; Research Personnel/*economics ; Research Support as Topic/*organization & administration ; United States ; Universities/*economics
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  • 47
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    Retroviral recombination and reverse transcription (1990)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1990-11-30
    Description: Recombination occurs at a high rate in retroviral replication, and its observation requires a virion containing two different RNA molecules (heterodimeric particles). Analysis of retroviral recombinants formed after a single round of replication revealed that (i) the nonselected markers changed more frequently than expected from the rate of recombination of selected markers; (ii) the transfer of the initially synthesized minus strand strong stop DNA was either intramolecular or intermolecular; (iii) the transfer of the first synthesized plus strand strong stop DNA was always intramolecular; and (iv) there was a strong correlation between the type of transfer of the minus strand strong stop DNA and the number of template switches observed. These data suggest that retroviral recombination is ordered and occurs during the synthesis of both minus and plus strand DNA.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hu, W S -- Temin, H M -- CA-07175/CA/NCI NIH HHS/ -- CA-22443/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1990 Nov 30;250(4985):1227-33.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉McArdle Laboratory for Cancer Research, University of Wisconsin-Madison 53706.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1700865" target="_blank"〉PubMed〈/a〉
    Keywords: Biological Evolution ; DNA, Viral/biosynthesis/genetics ; Drug Resistance/genetics ; Genetic Vectors ; Neomycin ; Osteosarcoma ; RNA, Viral/genetics ; RNA-Directed DNA Polymerase ; *Recombination, Genetic ; Repetitive Sequences, Nucleic Acid ; Restriction Mapping ; Retroviridae/*genetics/physiology ; T-Lymphocytes, Helper-Inducer/microbiology ; Templates, Genetic ; *Transcription, Genetic ; Transfection ; Tumor Cells, Cultured ; Virion/genetics ; Virus Replication
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  • 48
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    Direct interaction of a ligand for the erbB2 oncogene product with the EGF receptor and p185erbB2 (1990)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1990-09-28
    Description: The erbB2 oncogene encodes a 185-kilodalton transmembrane protein whose sequence is similar to the epidermal growth factor receptor (EGFR). A 30-kilodalton factor (gp30) secreted from MDA-MB-231 human breast cancer cells was shown to be a ligand for p185erbB2. An antibody to EGFR abolished the tyrosine phosphorylation induced by EGF and transforming growth factor-alpha (TGF-alpha) but only partially blocked that produced by gp30 in SK-BR-3 breast cancer cells. In two cell lines that overexpress erbB2 but do not expresss EGFR (MDA-MB-453 breast cancer cells and a Chinese hamster ovary cell line that had been transfected with erbB2), phosphorylation of p185erbB2 was induced only by gp30. The gp30 specifically inhibited the growth of cells that overexpressed p185erbB2. An antibody to EGFR had no effect on the inhibition of SK-BR-3 cell colony formation obtained with gp30. Thus, it appeared that gp30 interacted directly with the EGFR and erbB2. Direct binding of gp30 to p185erbB2 was confirmed by binding competition experiments, where gp30 was found to displace the p185erbB2 binding of a specific antibody to p185erbB2. The evidence described here suggests that gp30 is a ligand for p185erbB2.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lupu, R -- Colomer, R -- Zugmaier, G -- Sarup, J -- Shepard, M -- Slamon, D -- Lippman, M E -- New York, N.Y. -- Science. 1990 Sep 28;249(4976):1552-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Vincent T. Lombardi Cancer Research Center, Georgetown University Medical Center, Washington, DC 20007.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2218496" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antibodies, Monoclonal ; Binding, Competitive ; Breast Neoplasms ; Cell Line ; Chromatography, Affinity ; Female ; Humans ; Kinetics ; Ligands ; Molecular Weight ; Phosphorylation ; Protein-Tyrosine Kinases/metabolism ; Proto-Oncogene Proteins/genetics/immunology/*metabolism ; Proto-Oncogenes ; Receptor, Epidermal Growth Factor/isolation & purification/*metabolism ; Transfection
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    All-women conference: did it discriminate? (1990)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1990-12-07
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Galloway, A -- New York, N.Y. -- Science. 1990 Dec 7;250(4986):1319.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2078250" target="_blank"〉PubMed〈/a〉
    Keywords: *Congresses as Topic ; Female ; Government Agencies ; Humans ; *Prejudice ; Science ; United States ; *Women
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  • 50
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    Will protests derail AIDS meeting? (1990)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1990-04-06
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cherfas, J -- New York, N.Y. -- Science. 1990 Apr 6;248(4951):26.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2321024" target="_blank"〉PubMed〈/a〉
    Keywords: *Acquired Immunodeficiency Syndrome ; *Congresses as Topic ; Humans ; *Prejudice ; *Travel ; United States
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    Two G protein oncogenes in human endocrine tumors (1990)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1990-08-10
    Description: Somatic mutations in a subset of growth hormone (GH)-secreting pituitary tumors convert the gene for the alpha polypeptide chain (alpha s) of Gs into a putative oncogene, termed gsp. These mutations, which activate alpha s by inhibiting its guanosine triphosphatase (GTPase) activity, are found in codons for either of two amino acids, each of which is completely conserved in all known G protein alpha chains. The likelihood that similar mutations would activate other G proteins prompted a survey of human tumors for mutations that replace either of these two amino acids in other G protein alpha chain genes. The first gene so far tested, which encodes the alpha chain of Gi2, showed mutations that replaced arginine-179 with either cysteine or histidine in 3 of 11 tumors of the adrenal cortex and 3 of 10 endocrine tumors of the ovary. The mutant alpha i2 gene is a putative oncogene, referred to as gip2. In addition, gsp mutations were found in 18 of 42 GH-secreting pituitary tumors and in an autonomously functioning thyroid adenoma. These findings suggest that human tumors may harbor oncogenic mutations in various G protein alpha chain genes.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lyons, J -- Landis, C A -- Harsh, G -- Vallar, L -- Grunewald, K -- Feichtinger, H -- Duh, Q Y -- Clark, O H -- Kawasaki, E -- Bourne, H R -- New York, N.Y. -- Science. 1990 Aug 10;249(4969):655-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Human Genetics, Cetus Corporation, Emeryville CA 94608.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2116665" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Base Sequence ; DNA, Neoplasm/genetics ; Endocrine System Diseases/*genetics ; Female ; GTP Phosphohydrolases/genetics/metabolism ; GTP-Binding Proteins/*genetics/metabolism ; Humans ; Male ; Molecular Sequence Data ; *Mutation ; Neoplasms/*genetics ; Oligonucleotide Probes ; *Oncogenes ; Pituitary Neoplasms/*genetics ; Polymerase Chain Reaction
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    HIV: dangerous and contagious? (1990)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1990-06-01
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉New York, N.Y. -- Science. 1990 Jun 1;248(4959):1075.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2343315" target="_blank"〉PubMed〈/a〉
    Keywords: *Emigration and Immigration ; HIV Infections/*prevention & control ; Humans ; Legislation, Medical ; United States
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    New physicians: a natural experiment in market organization (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1990-12-14
    Description: The National Resident Matching Program is a centralized clearinghouse through which new medical graduates in the United States obtain their first positions. The history of this market, from the market failures that the centralized system was designed to address, to the present, is discussed, and a hypothesis about the behavior of such markets is presented. New evidence is then presented from a set of similar centralized markets in the United Kingdom. Because some of these latter markets have failed, while others have succeeded, they provide a natural experiment that permits the hypothesis to be tested. The new evidence also suggests directions in which modifications of existing procedures might be considered.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Roth, A E -- New York, N.Y. -- Science. 1990 Dec 14;250(4987):1524-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉University of Pittsburgh, PA 15260.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2274783" target="_blank"〉PubMed〈/a〉
    Keywords: Algorithms ; Economic Competition ; Employment ; Great Britain ; History, 20th Century ; Hospitals ; Information Centers/*history ; Internship and Residency/history/*organization & administration ; *Personnel Staffing and Scheduling Information Systems ; Program Evaluation ; United States
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    Characterization of naturally occurring minor histocompatibility peptides including H-4 and H-Y (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1990-07-20
    Description: Minor histocompatibility (H) antigens can be peptides derived from cellular proteins that are presented on the cell surface by major histocompatibility complex (MHC) class I molecules. This is similar to viral antigens, because in both cases cytotoxic T lymphocytes (CTLs) recognize artificially produced peptides loaded on target cells. Naturally processed minor H peptides were found to be similar to those artificial CTL-epitopes, as far as size and hydrophobicity is concerned. The peptides studied were isolated from a transfectant that expressed a model CTL-defined antigen, beta-galactosidase, from male cells that express H-Y, which has been known operationally since 1955, and from cells that express H-4, known since 1961.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Rotzschke, O -- Falk, K -- Wallny, H J -- Faath, S -- Rammensee, H G -- New York, N.Y. -- Science. 1990 Jul 20;249(4966):283-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Max-Planck-Institut fur Biologie, Abteilung Immungenetik, Tubingen, Federal Republic of Germany.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1695760" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Epitopes/isolation & purification ; Female ; H-Y Antigen/*analysis/immunology ; Male ; Mice ; Mice, Inbred Strains ; Minor Histocompatibility Antigens/*analysis/immunology ; Molecular Sequence Data ; Peptides/chemical synthesis ; Species Specificity ; Spleen/immunology ; T-Lymphocytes, Cytotoxic/*immunology
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    Control of the interferon-induced 68-kilodalton protein kinase by the HIV-1 tat gene product (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1990-03-09
    Description: The tat-responsive region (TAR) of the human immunodeficiency virus-1 (HIV-1) exhibits a trans-inhibitory effect on translation in vitro by activating the interferon-induced 68-kilodalton protein kinase (p68 kinase). Productive infection by HIV-1 was shown to result in a significant decrease in the amount of cellular p68 kinase. The steady-state amount of p68 kinase was also reduced in interferon-treated HeLa cell lines stably expressing tat, as compared to the amount of the kinase in interferon-treated control HeLa cells. Thus, the potential translational inhibitory effects of the TAR RNA region mediated by activation of p68 kinase may be downregulated by tat during productive HIV-1 infection.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Roy, S -- Katze, M G -- Parkin, N T -- Edery, I -- Hovanessian, A G -- Sonenberg, N -- AI22646/AI/NIAID NIH HHS/ -- RR00166/RR/NCRR NIH HHS/ -- New York, N.Y. -- Science. 1990 Mar 9;247(4947):1216-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biochemistry, McGill University, Montreal, Canada.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2180064" target="_blank"〉PubMed〈/a〉
    Keywords: 2',5'-Oligoadenylate Synthetase/genetics ; Down-Regulation ; Enzyme Induction ; *Gene Expression Regulation, Enzymologic ; Gene Products, tat/*physiology ; *Genes, Viral ; *Genes, tat ; HIV-1/*genetics ; HeLa Cells ; Humans ; Immunosorbent Techniques ; Interferon Type I/*pharmacology ; Molecular Weight ; Protein Kinases/biosynthesis/*genetics ; Trans-Activators/*physiology ; Transfection ; tat Gene Products, Human Immunodeficiency Virus
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    Protection from chemotherapy-induced alopecia in a rat model (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1990-09-28
    Description: Alopecia (hair loss) is among the most distressing side effects of cancer chemotherapy. Little progress has been made, however, in its prevention or treatment, partly because of the lack of suitable experimental model. In recent work on the treatment of myelogenous leukemia in the rat, the following observations were made: (i) treatment of 8-day-old rats with cytosine arabinoside consistently produced alopecia, and (ii) ImuVert, a biologic response modifier derived from the bacterium Serratia marcescens, uniformly produced complete protection against the alopecia. In subsequent experiments, both cyclophosphamide and doxorubicin also produced alopecia in this model, and the doxorubicin-induced alopecia was prevented by treatment with ImuVert. The potential relevance of these observations to chemotherapy-induced alopecia in the clinical setting should be examined.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hussein, A M -- Jimenez, J J -- McCall, C A -- Yunis, A A -- DK07114/DK/NIDDK NIH HHS/ -- New York, N.Y. -- Science. 1990 Sep 28;249(4976):1564-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Medicine, University of Miami School of Medicine, FL 33101.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2218498" target="_blank"〉PubMed〈/a〉
    Keywords: Alopecia/chemically induced/*prevention & control ; Animals ; Biological Products ; Cytarabine/therapeutic use/*toxicity ; Disease Models, Animal ; Immunologic Factors/*therapeutic use ; Leukemia, Experimental/*drug therapy ; Rats ; Rats, Inbred F344 ; Skin/drug effects/pathology
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    A base dispute (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1990-08-03
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Waldrop, M M -- New York, N.Y. -- Science. 1990 Aug 3;249(4968):472-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2382127" target="_blank"〉PubMed〈/a〉
    Keywords: Chemical Phenomena ; Chemistry ; *Information Systems ; Jurisprudence ; Societies, Scientific ; United States
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    Autoradiographic imaging of phosphoinositide turnover in the brain (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1990-08-17
    Description: With [3H]cytidine as a precursor, phosphoinositide turnover can be localized in brain slices by selective autoradiography of the product [3H]cytidine diphosphate diacylglycerol, which is membrane-bound. In the cerebellum, glutamatergic stimulation elicits an increase of phosphoinositide turnover only in Purkinje cells and the molecular layer. In the hippocampus, both glutamatergic and muscarinic cholinergic stimulation increase phosphoinositide turnover, but with distinct localizations. Cholinergic stimulation affects CA1, CA3, CA4, and subiculum, whereas glutamatergic effects are restricted to the subiculum and CA3. Imaging phosphoinositide turnover in brain slices, which are amenable to electrophysiologic studies, will permit a dynamic localized analysis of regulation of this second messenger in response to synaptic stimulation of specific neuronal pathways.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hwang, P M -- Bredt, D S -- Snyder, S H -- DA-00074/DA/NIDA NIH HHS/ -- GM-07309/GM/NIGMS NIH HHS/ -- MH-18501/MH/NIMH NIH HHS/ -- New York, N.Y. -- Science. 1990 Aug 17;249(4970):802-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Neuroscience, Johns Hopkins University School of Medicine, Baltimore, MD 21205.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1975122" target="_blank"〉PubMed〈/a〉
    Keywords: Alanine/analogs & derivatives/pharmacology ; Animals ; Autoradiography ; Brain/*metabolism ; Carbachol/pharmacology ; Cerebellum/drug effects/metabolism ; Cycloleucine/analogs & derivatives/pharmacology ; Cytidine/metabolism ; Cytidine Diphosphate Diglycerides/metabolism ; Glutamates/physiology ; Glutamic Acid ; Hippocampus/drug effects/metabolism ; Neomycin/pharmacology ; Phosphatidylinositols/*metabolism ; Pirenzepine/pharmacology ; Purkinje Cells/metabolism ; Rats ; Receptors, Muscarinic/drug effects/physiology ; Tissue Distribution
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    The untold story of HUT78 (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1990-06-22
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Rubinstein, E -- New York, N.Y. -- Science. 1990 Jun 22;248(4962):1499-507.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2193399" target="_blank"〉PubMed〈/a〉
    Keywords: Acquired Immunodeficiency Syndrome/history/*microbiology ; *Biomedical Research ; *Cell Line ; *Ethics ; Federal Government ; Government Regulation ; HIV/*isolation & purification ; History, 20th Century ; Humans ; *Information Dissemination ; National Institutes of Health (U.S.) ; United States
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    The asbestos removal fiasco (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1990-03-02
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Abelson, P H -- New York, N.Y. -- Science. 1990 Mar 2;247(4946):1017.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2309114" target="_blank"〉PubMed〈/a〉
    Keywords: *Asbestos ; Environmental Exposure ; Environmental Pollution/*legislation & jurisprudence ; Humans ; United States ; United States Environmental Protection Agency
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    Medicine from plants (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1990-02-02
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Abelson, P H -- New York, N.Y. -- Science. 1990 Feb 2;247(4942):513.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2300807" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antineoplastic Agents/pharmacology ; Drug Evaluation, Preclinical ; Drug Screening Assays, Antitumor ; Humans ; National Institutes of Health (U.S.) ; *Plants, Medicinal ; Tumor Cells, Cultured/drug effects ; United States
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    D1 and D2 dopamine receptor-regulated gene expression of striatonigral and striatopallidal neurons (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1990-12-07
    Description: The striatum, which is the major component of the basal ganglia in the brain, is regulated in part by dopaminergic input from the substantia nigra. Severe movement disorders result from the loss of striatal dopamine in patients with Parkinson's disease. Rats with lesions of the nigrostriatal dopamine pathway caused by 6-hydroxydopamine (6-OHDA) serve as a model for Parkinson's disease and show alterations in gene expression in the two major output systems of the striatum to the globus pallidus and substantia nigra. Striatopallidal neurons show a 6-OHDA-induced elevation in their specific expression of messenger RNAs (mRNAs) encoding the D2 dopamine receptor and enkephalin, which is reversed by subsequent continuous treatment with the D2 agonist quinpirole. Conversely, striatonigral neurons show a 6-OHDA-induced reduction in their specific expression of mRNAs encoding the D1 dopamine receptor and substance P, which is reversed by subsequent daily injections of the D1 agonist SKF-38393. This treatment also increases dynorphin mRNA in striatonigral neurons. Thus, the differential effects of dopamine on striatonigral and striatopallidal neurons are mediated by their specific expression of D1 and D2 dopamine receptor subtypes, respectively.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Gerfen, C R -- Engber, T M -- Mahan, L C -- Susel, Z -- Chase, T N -- Monsma, F J Jr -- Sibley, D R -- New York, N.Y. -- Science. 1990 Dec 7;250(4986):1429-32.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratory of Cell Biology, National Institute of Mental Health, Bethesda, MD 20892.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2147780" target="_blank"〉PubMed〈/a〉
    Keywords: 2,3,4,5-Tetrahydro-7,8-dihydroxy-1-phenyl-1H-3-benzazepine/pharmacology ; Animals ; Cerebral Cortex/physiology ; Corpus Striatum/drug effects/*metabolism ; Ergolines/pharmacology ; Gene Expression Regulation ; Globus Pallidus/drug effects/*metabolism ; Hydroxydopamines/pharmacology ; Models, Neurological ; Neurons/drug effects/*metabolism ; Oligonucleotide Probes ; Oxidopamine ; Quinpirole ; RNA, Messenger/drug effects/*genetics ; Rats ; Receptors, Dopamine/*genetics ; Receptors, Dopamine D1 ; Receptors, Dopamine D2 ; Substantia Nigra/drug effects/*metabolism ; Thalamus/physiology
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    Light pulses that shift rhythms induce gene expression in the suprachiasmatic nucleus (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1990-06-08
    Description: Lighting cycles synchronize (entrain) mammalian circadian rhythms by altering activity of cells in the suprachiasmatic nucleus (SCN) of the hypothalamus, a circadian pacemaker. Exposure of hamsters and rats to light pulses at those phases of the circadian rhythm during which light can shift the rhythm caused increased immunoreactivity for the product of the immediate-early gene c-fos in cells in the region of the SCN that receives retinal fibers. Light pulses also increased messenger RNA for the Fos protein and for the immediate-early protein NGFI-A in the rat SCN. Similar increases in mRNA for NGFI-A were seen in the SCN of hamsters. Thus cells in this portion of the SCN undergo alterations in gene expression in response to retinal illumination, but only at times in the circadian cycle when light is capable of influencing entrainment.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Rusak, B -- Robertson, H A -- Wisden, W -- Hunt, S P -- New York, N.Y. -- Science. 1990 Jun 8;248(4960):1237-40.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Psychology, Dalhousie University, Halifax, Nova Scotia, Canada.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2112267" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Circadian Rhythm ; Cricetinae ; Darkness ; *Gene Expression ; Light ; Nerve Growth Factors/*genetics ; Proto-Oncogene Proteins/*genetics ; Proto-Oncogene Proteins c-fos ; *Proto-Oncogenes ; RNA, Messenger/*analysis/genetics ; Rats ; Suprachiasmatic Nucleus/*physiology/radiation effects ; Transcription, Genetic
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    NIH panel: bovine hormone gets the nod (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1990-12-14
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Gibbons, A -- New York, N.Y. -- Science. 1990 Dec 14;250(4987):1506.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2274780" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cattle ; Food Contamination ; Growth Hormone/*adverse effects ; Humans ; *Legislation, Drug ; Meat ; Milk ; *National Institutes of Health (U.S.) ; Recombinant Proteins/adverse effects ; United States ; United States Food and Drug Administration
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    Cloning of an interleukin-3 receptor gene: a member of a distinct receptor gene family (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1990-01-19
    Description: Interleukin-3 (IL-3) binds to its receptor with high and low affinities, induces tyrosine phosphorylation, and promotes the proliferation and differentiation of hematopoietic cells. A binding component of the IL-3 receptor was cloned. Fibroblasts transfected with the complementary DNA bound IL-3 with a low affinity [dissociation constant (Kd) of 17.9 +/- 3.6 nM]. No consensus sequence for a tyrosine kinase was present in the cytoplasmic domain. Thus, additional components are required for a functional high affinity IL-3 receptor. A sequence comparison of the IL-3 receptor with other cytokine receptors (erythropoietin, IL-4, IL-6, and the beta chain IL-2 receptor) revealed a common motif of a distinct receptor gene family.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Itoh, N -- Yonehara, S -- Schreurs, J -- Gorman, D M -- Maruyama, K -- Ishii, A -- Yahara, I -- Arai, K -- Miyajima, A -- New York, N.Y. -- Science. 1990 Jan 19;247(4940):324-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Molecular Biology, DNAX Research Institute of Molecular and Cellular Biology, Palo Alto, CA 94304.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2404337" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; *Cloning, Molecular ; DNA/genetics ; DNA Probes ; Escherichia coli/genetics ; Fibroblasts/metabolism ; Interleukin-3/metabolism ; Mice ; Molecular Sequence Data ; Nucleic Acid Hybridization ; Plasmids ; Protein-Tyrosine Kinases/metabolism ; Receptors, Immunologic/*genetics/metabolism ; Receptors, Interleukin-3 ; Sequence Homology, Nucleic Acid ; Transfection
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    Molecular cloning and expression of a complementary DNA for inositol 1,4,5-trisphosphate 3-kinase (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1990-04-06
    Description: A complementary DNA (cDNA) clone that encodes inositol 1,4,5-trisphosphate 3-kinase was isolated from a rat brain cDNA expression library with the use of monoclonal antibodies. This clone had an open reading frame that would direct the synthesis of a protein consisting of 449 amino acids and with a molecular mass of 49,853 daltons. The putative protein revealed a potential calmodulin-binding site and six regions with amino acid compositions (PEST regions) common to proteins that are susceptible to calpain. Expression of the cDNA in COS cells resulted in an approximately 150-fold increase in inositol 1,4,5-trisphosphate 3-kinase activity of these cells.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Choi, K Y -- Kim, H K -- Lee, S Y -- Moon, K H -- Sim, S S -- Kim, J W -- Chung, H K -- Rhee, S G -- New York, N.Y. -- Science. 1990 Apr 6;248(4951):64-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratory of Biochemistry, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD 20892.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2157285" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Binding Sites ; Brain/enzymology ; Calcium/metabolism ; Calmodulin/metabolism ; Calpain/antagonists & inhibitors/pharmacology ; Cell Line ; *Cloning, Molecular ; Codon ; DNA/*genetics ; *Gene Expression ; Molecular Sequence Data ; Molecular Weight ; Phosphotransferases/*genetics/metabolism ; *Phosphotransferases (Alcohol Group Acceptor) ; Plasmids ; Rats ; Transfection
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    Mapping of herpes simplex virus-1 neurovirulence to gamma 134.5, a gene nonessential for growth in culture (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1990-11-30
    Description: The gene designated gamma 134.5 maps in the inverted repeats flanking the long unique sequence of herpes simplex virus-1 (HSV-1) DNA, and therefore it is present in two copies per genome. This gene is not essential for viral growth in cell culture. Four recombinant viruses were genetically engineered to test the function of this gene. These were (i) a virus from which both copies of the gene were deleted, (ii) a virus containing a stop codon in both copies of the gene, (iii) a virus containing after the first codon an insert encoding a 16-amino acid epitope known to react with a specific monoclonal antibody, and (iv) a virus in which the deleted sequences were restored. The viruses from which the gene was deleted or which carried stop codons were avirulent on intracerebral inoculation of mice. The virus with the gene tagged by the sequence encoding the epitope was moderately virulent, whereas the restored virus reacquired the phenotype of the parent virus. Significant amounts of virus were recovered only from brains of animals inoculated with virulent viruses. Inasmuch as the product of the gamma 134.5 gene extended the host range of the virus by enabling it to replicate and destroy brain cells, it is a viral neurovirulence factor.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Chou, J -- Kern, E R -- Whitley, R J -- Roizman, B -- AI 1588-11/AI/NIAID NIH HHS/ -- AI 24009/AI/NIAID NIH HHS/ -- CA 47451/CA/NCI NIH HHS/ -- etc. -- New York, N.Y. -- Science. 1990 Nov 30;250(4985):1262-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Marjorie B. Kovler Viral Oncology Laboratories, University of Chicago, IL 60637.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2173860" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Antibodies, Monoclonal ; Antigens, Viral/genetics/immunology ; Base Sequence ; Chromosome Deletion ; *Chromosome Mapping ; Codon ; DNA, Viral/genetics ; Encephalitis/*microbiology ; *Genes, Viral ; Herpes Simplex/*microbiology ; Humans ; *Immediate-Early Proteins ; Molecular Sequence Data ; Rabbits ; Repetitive Sequences, Nucleic Acid ; Simplexvirus/*genetics/growth & development/pathogenicity ; Thymidine Kinase/genetics ; Transfection ; Viral Proteins/*genetics ; Viral Regulatory and Accessory Proteins/genetics/immunology
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    Biomedical funds: IOM strikes back (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1990-12-07
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Palca, J -- New York, N.Y. -- Science. 1990 Dec 7;250(4986):1332.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2255903" target="_blank"〉PubMed〈/a〉
    Keywords: *Institute of Medicine (U.S.) ; National Institutes of Health (U.S.) ; *Research Support as Topic ; United States
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    Psychological responses after abortion (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1990-04-06
    Description: A review of methodologically sound studies of the psychological responses of U.S. women after they obtained legal, nonrestrictive abortions indicates that distress is generally greatest before the abortion and that the incidence of severe negative responses is low. Factors associated with increased risk of negative response are consistent with those reported in research on other stressful life events.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Adler, N E -- David, H P -- Major, B N -- Roth, S H -- Russo, N F -- Wyatt, G E -- New York, N.Y. -- Science. 1990 Apr 6;248(4951):41-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉University of California, San Francisco 94143.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2181664" target="_blank"〉PubMed〈/a〉
    Keywords: Abortion, Induced/*psychology ; Adaptation, Psychological ; Adolescent ; Emotions ; Female ; Humans ; Pregnancy ; Pregnancy Trimester, First ; *Pregnant Women ; Risk Assessment ; Social Support ; United States
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    A storm over steroid therapy (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1990-11-30
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Palca, J -- New York, N.Y. -- Science. 1990 Nov 30;250(4985):1196-8.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2244205" target="_blank"〉PubMed〈/a〉
    Keywords: Acquired Immunodeficiency Syndrome/*complications ; Health Policy ; Humans ; National Institutes of Health (U.S.) ; Periodicals as Topic ; Pneumonia, Pneumocystis/complications/*drug therapy ; Steroids/adverse effects/*therapeutic use ; United States
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    Immigration bill saves AIDS meeting (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1990-11-09
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Palca, J -- New York, N.Y. -- Science. 1990 Nov 9;250(4982):749.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2237423" target="_blank"〉PubMed〈/a〉
    Keywords: *Acquired Immunodeficiency Syndrome ; Communicable Disease Control/*legislation & jurisprudence ; Congresses as Topic/*legislation & jurisprudence ; Emigration and Immigration/*legislation & jurisprudence ; Humans ; United States
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Final verdict on science budget: not bad at all (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1990-11-02
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Palca, J -- New York, N.Y. -- Science. 1990 Nov 2;250(4981):617-8.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2237410" target="_blank"〉PubMed〈/a〉
    Keywords: *Budgets ; Research Support as Topic/*economics ; United States
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Orphan drug compromise Bush-whacked (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1990-11-16
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Gibbons, A -- New York, N.Y. -- Science. 1990 Nov 16;250(4983):905.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2237437" target="_blank"〉PubMed〈/a〉
    Keywords: Orphan Drug Production/*legislation & jurisprudence ; United States
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    Learning to drink from a fire hose (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1990-05-11
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Waldrop, M M -- New York, N.Y. -- Science. 1990 May 11;248(4956):674-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2333516" target="_blank"〉PubMed〈/a〉
    Keywords: *Computer Communication Networks ; *Computer Systems ; Government Agencies ; Human Genome Project ; Humans ; *Information Systems ; Software ; United States
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 75
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    Overcoming rejection to win a Nobel Prize (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1990-10-19
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Palca, J -- New York, N.Y. -- Science. 1990 Oct 19;250(4979):378.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2218543" target="_blank"〉PubMed〈/a〉
    Keywords: History, 20th Century ; Humans ; *Nobel Prize ; Transplantation/*history ; United States
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    Billion-dollar orphans: prescription for trouble (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1990-05-11
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Gibbons, A -- New York, N.Y. -- Science. 1990 May 11;248(4956):678-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2333518" target="_blank"〉PubMed〈/a〉
    Keywords: Acquired Immunodeficiency Syndrome/*drug therapy/economics ; Adenosine Deaminase/*supply & distribution ; Drug Industry/*economics ; Humans ; *Legislation, Drug ; Nucleoside Deaminases/*supply & distribution ; Orphan Drug Production/*economics ; United States
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    Import rules threaten research on primates (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1990-06-01
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Palca, J -- New York, N.Y. -- Science. 1990 Jun 1;248(4959):1071-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2160732" target="_blank"〉PubMed〈/a〉
    Keywords: *Animal Experimentation ; Animals ; Animals, Laboratory/*microbiology ; Centers for Disease Control and Prevention (U.S.) ; Cercopithecidae/*microbiology ; Ebolavirus/*isolation & purification ; Federal Government ; *Government Regulation ; Hemorrhagic Fevers, Viral/*prevention & control/veterinary ; Humans ; Internationality ; Philippines ; Quarantine ; Rhabdoviridae/*isolation & purification ; United States ; Zoonoses/*prevention & control
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Effect of phospholipase C-gamma overexpression on PDGF-induced second messengers and mitogenesis (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1990-05-04
    Description: Platelet-derived growth factor (PDGF) stimulates phospholipase C (PLC) activity and the phosphorylation of the gamma isozyme of PLC (PLC-gamma) in vitro and in living cells. The role of PLC-gamma in the phosphoinositide signaling pathway was addressed by examining the effect of overexpression of PLC-gamma on cellular responses to PDGF. Overexpression of PLC-gamma correlated with PDGF-induced tyrosine phosphorylation of PLC-gamma and with PDGF-induced breakdown of phosphatidylinositol 4,5-bisphosphate (PIP2). However, neither bradykinin- nor lysophosphatidic acid-induced phosphoinositide metabolism was enhanced in the transfected cells, suggesting that the G protein-coupled phosphoinositide responses to these ligands are mediated by other PLC isozymes. The enhanced PDGF-induced generation of inositol trisphosphate (IP3) did not enhance intracellular calcium signaling or influence PDGF-induced DNA synthesis. Thus, enzymes other than PLC-gamma may limit PDGF-induced calcium signaling and DNA synthesis. Alternatively, PDGF-induced calcium signaling and DNA synthesis may use biochemical pathways other than phosphoinositide metabolism for signal transduction.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Margolis, B -- Zilberstein, A -- Franks, C -- Felder, S -- Kremer, S -- Ullrich, A -- Rhee, S G -- Skorecki, K -- Schlessinger, J -- New York, N.Y. -- Science. 1990 May 4;248(4955):607-10.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Rorer Biotechnology, King of Prussia, PA 19406.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2333512" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Calcium/physiology ; Cattle ; Cell Division/*drug effects ; Cells, Cultured ; DNA Replication/drug effects ; Genetic Vectors ; Inositol Phosphates/metabolism ; Isoenzymes/biosynthesis/*genetics/metabolism ; Kinetics ; Mice ; Platelet-Derived Growth Factor/*pharmacology ; Second Messenger Systems/*drug effects ; Transfection ; Type C Phospholipases/biosynthesis/*genetics/metabolism
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    Bovine growth hormone: human food safety evaluation (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1990-08-24
    Description: Scientists in the Food and Drug Administration (FDA), after reviewing the scientific literature and evaluating studies conducted by pharmaceutical companies, have concluded that the use of recombinant bovine growth hormone (rbGH) in dairy cattle presents no increased health risk to consumers. Bovine GH is not biologically active in humans, and oral toxicity studies have demonstrated that rbGH is not orally active in rats, a species responsive to parenterally administered bGH. Recombinant bGH treatment produces an increase in the concentration of insulin-like growth factor-I (IGF-I) in cow's milk. However, oral toxicity studies have shown that bovine IGF-I lacks oral activity in rats. Additionally, the concentration of IGF-I in milk of rbGH-treated cows is within the normal physiological range found in human breast milk, and IGF-I is denatured under conditions used to process cow's milk for infant formula. On the basis of estimates of the amount of protein absorbed intact in humans and the concentration of IGF-I in cow's milk during rbGH treatment, biologically significant levels of intact IGF-I would not be absorbed.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Juskevich, J C -- Guyer, C G -- New York, N.Y. -- Science. 1990 Aug 24;249(4971):875-84.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Food and Drug Administration, Center for Veterinary Medicine, Office of New Animal Drug Evaluation, Rockville, MD 20857.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2203142" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cattle ; Food/*standards ; Growth Hormone/pharmacology/physiology/*standards ; Humans ; Insulin-Like Growth Factor I/physiology ; Recombinant Proteins/standards ; United States ; United States Food and Drug Administration
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    T cells responsive to myelin basic protein in patients with multiple sclerosis (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1990-02-09
    Description: Gene mutation in vivo in human T lymphocytes appears to occur preferentially in dividing cells. Individuals with multiple sclerosis (MS) are assumed to have one or more populations of diving T cells that are being stimulated by autoantigens. Mutant T cell clones from MS patients were isolated and tested for reactivity to myelin basic protein, an antigen that is thought to participate in the induction of the disease. The hypoxanthine guanine phosphoribosyltransferase (hprt) clonal assay was used to determine mutant frequency values in MS patients with chronic progressive disease. Eleven of 258 thioguanine-resistant (hprt-) T cell clones from five of the six MS patients who were tested proliferated in response to human myelin basic protein without prior in vitro exposure to this antigen. No wild-type clones from these patients, nor any hprt- or wild-type clones from three healthy individuals responded to myelin basic protein. Thus, T cell clones that react with myelin basic protein can be isolated from the peripheral blood of MS patients.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Allegretta, M -- Nicklas, J A -- Sriram, S -- Albertini, R J -- CA30688-07/CA/NCI NIH HHS/ -- NS00849/NS/NINDS NIH HHS/ -- New York, N.Y. -- Science. 1990 Feb 9;247(4943):718-21.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Genetics Laboratory, University of Vermont, Burlington 05401.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1689076" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Autoantigens/immunology ; Cell Division ; Clone Cells/immunology ; Female ; Humans ; Hypoxanthine Phosphoribosyltransferase/genetics ; Male ; Middle Aged ; Multiple Sclerosis/genetics/*immunology ; Mutation ; Myelin Basic Protein/*immunology ; T-Lymphocytes/drug effects/*immunology ; Thioguanine/pharmacology ; X Chromosome
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    Phencyclidine, dizocilpine, and cerebrocortical neurons (1990)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1990-01-12
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Allen, H L -- Iversen, L L -- New York, N.Y. -- Science. 1990 Jan 12;247(4939):221.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Merck Sharp & Dohme Research Laboratories, West Point, PA 19486.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2403696" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cerebral Cortex/drug effects/*ultrastructure ; Dibenzocycloheptenes/administration & dosage/*pharmacology ; Dizocilpine Maleate ; Male ; Neurons/drug effects/*ultrastructure ; Phencyclidine/*pharmacology ; Rats ; Vacuoles/drug effects
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    Experts clash over cancer data (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1990-11-16
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Marshall, E -- New York, N.Y. -- Science. 1990 Nov 16;250(4983):900-2.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2237436" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Aged ; Female ; Humans ; Male ; Middle Aged ; Neoplasms/*mortality ; United States
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    Smokers: black and white (1990)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1990-07-20
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Schneiderman, M -- Davis, D L -- Wagener, D K -- New York, N.Y. -- Science. 1990 Jul 20;249(4966):228-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2374921" target="_blank"〉PubMed〈/a〉
    Keywords: African Americans ; European Continental Ancestry Group ; Female ; Humans ; Lung Neoplasms/mortality ; Male ; Prevalence ; Smoking/*epidemiology ; United States
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    The human genome project: past, present, and future (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1990-04-06
    Description: This article presents a short discussion of the development of the human genome program in the United States, a summary of the current status of the organization and administration of the National Institutes of Health component of the program, and some prospects for the future directions of the program and the applications of genome information.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Watson, J D -- New York, N.Y. -- Science. 1990 Apr 6;248(4951):44-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉National Center for Human Genome Research, National Institutes of Health, Bethesda, MD 20892.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2181665" target="_blank"〉PubMed〈/a〉
    Keywords: Base Sequence ; Budgets ; Dna ; Federal Government ; *Human Genome Project/economics/organization & administration ; Humans ; International Cooperation ; Internationality ; National Institutes of Health (U.S.)/organization & administration ; Research Support as Topic ; Risk Assessment ; United States
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    A mouse model of the aniridia-Wilms tumor deletion syndrome (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1990-11-09
    Description: Deletion of chromosome 11p13 in humans produces the WAGR syndrome, consisting of aniridia (an absence or malformation of the iris), Wilms tumor (nephroblastoma), genitourinary malformations, and mental retardation. An interspecies backcross between Mus musculus/domesticus and Mus spretus was made in order to map the homologous chromosomal region in the mouse genome and to define an animal model of this syndrome. Nine evolutionarily conserved DNA clones from proximal human 11p were localized on mouse chromosome 2 near Small-eyes (Sey), a semidominant mutation that is phenotypically similar to aniridia. Analysis of Dickie's Small-eye (SeyDey), a poorly viable allele that has pleiotropic effects, revealed the deletion of three clones, f3, f8, and k13, which encompass the aniridia (AN2) and Wilms tumor susceptibility genes in man. Unlike their human counterparts, SeyDey/+ mice do not develop nephroblastomas. These findings suggest that the Small-eye defect is genetically equivalent to human aniridia, but that loss of the murine homolog of the Wilms tumor gene is not sufficient for tumor initiation. A comparison among Sey alleles suggests that the AN2 gene product is required for induction of the lens and nasal placodes.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Glaser, T -- Lane, J -- Housman, D -- 2 T32 GMO7753-11/GM/NIGMS NIH HHS/ -- GM27882/GM/NIGMS NIH HHS/ -- T32 GM007753/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1990 Nov 9;250(4982):823-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Center for Cancer Research, Massachusetts Institute of Technology, Cambridge 02139.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2173141" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Aniridia/*genetics ; Blotting, Southern ; Chromosome Deletion ; Chromosome Mapping ; DNA/analysis ; *Disease Models, Animal ; Eye/embryology/pathology ; Female ; Genes, Wilms Tumor/*genetics ; Genetic Markers ; Kidney Neoplasms/*genetics ; Male ; Mice ; Mice, Inbred C3H ; Mice, Inbred C57BL ; Muridae ; Mutation ; Phenotype ; Polymorphism, Genetic ; Syndrome ; Wilms Tumor/*genetics
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    FDA publishes bovine growth hormone data (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1990-08-24
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Gibbons, A -- New York, N.Y. -- Science. 1990 Aug 24;249(4971):852-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2392676" target="_blank"〉PubMed〈/a〉
    Keywords: Agriculture ; Animals ; Cattle ; Europe ; Growth Hormone/*standards ; Politics ; Recombinant Proteins/standards ; United States ; United States Food and Drug Administration
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  • 87
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    Identification of a specialized adenylyl cyclase that may mediate odorant detection (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1990-12-07
    Description: The mammalian olfactory system may transduce odorant information via a G protein-mediated adenosine 3',5'-monophosphate (cAMP) cascade. A newly discovered adenylyl cyclase, termed type III, has been cloned, and its expression was localized to olfactory neurons. The type III protein resides in the sensory neuronal cilia, which project into the nasal lumen and are accessible to airborne odorants. The enzymatic activity of the type III adenylyl cyclase appears to differ from nonsensory cyclases. The large difference seen between basal and stimulated activity for the type III enzyme could allow considerable modulation of the intracellular cAMP concentration. This property may represent one mechanism of achieving sensitivity in odorant perception.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bakalyar, H A -- Reed, R R -- 5T32CA09339/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1990 Dec 7;250(4986):1403-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Molecular Biology and Genetics, Howard Hughes Medical Institute, Johns Hopkins University School of Medicine, Baltimore, MD 21205.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2255909" target="_blank"〉PubMed〈/a〉
    Keywords: Adenylyl Cyclases/genetics/*physiology ; Amino Acid Sequence ; Animals ; Brain/enzymology/physiology ; Cell Line ; Clone Cells ; Cloning, Molecular ; Gene Library ; Glycosylation ; Isoenzymes/genetics/*physiology ; Macromolecular Substances ; Molecular Sequence Data ; Molecular Weight ; Neurons, Afferent/enzymology/physiology ; Nose/enzymology/physiology ; *Odors ; Protein Conformation ; Rats ; *Signal Transduction
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 88
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    Fibroblast growth factor receptor is a portal of cellular entry for herpes simplex virus type 1 (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1990-06-15
    Description: Herpes simplex virus type 1 (HSV-1) is a ubiquitous pathogen responsible for considerable morbidity in the general population. The results presented herein establish the basic fibroblast growth factor (FGF) receptor as a means of entry of HSV-1 into vertebrate cells. Inhibitors of basic FGF binding to its receptor and competitive polypeptide antagonists of basic FGF prevented HSV-1 uptake. Chinese hamster ovary (CHO) cells that do not express FGF receptors are resistant to HSV-1 entry; however, HSV-1 uptake is dramatically increased in CHO cells transfected with a complementary DNA encoding a basic FGF receptor. The distribution of this integral membrane protein in vivo may explain the tissue and cell tropism of HSV-1.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kaner, R J -- Baird, A -- Mansukhani, A -- Basilico, C -- Summers, B D -- Florkiewicz, R Z -- Hajjar, D P -- P01 DK 18811/DK/NIDDK NIH HHS/ -- P01 HD 96601/HD/NICHD NIH HHS/ -- P50 HL 18828/HL/NHLBI NIH HHS/ -- etc. -- New York, N.Y. -- Science. 1990 Jun 15;248(4961):1410-3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Medicine, Memorial Sloan-Kettering Cancer Center, New York, NY 10021.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2162560" target="_blank"〉PubMed〈/a〉
    Keywords: Adsorption ; Amino Acid Sequence ; Animals ; Binding, Competitive ; Cell Line ; Cell Membrane/microbiology ; Cricetinae ; DNA/genetics ; Fibroblast Growth Factors/antagonists & inhibitors/metabolism/pharmacology ; Heparitin Sulfate/metabolism ; Molecular Sequence Data ; Peptide Fragments/pharmacology ; Receptors, Cell Surface/genetics/*physiology ; Receptors, Fibroblast Growth Factor ; Simplexvirus/*physiology ; Transfection
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  • 89
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    Drug policy: striking the right balance (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1990-09-28
    Description: Drug policy should strike the right balance between reducing the harm done by psychoactive drugs and reducing the harm that results from strict legal prohibitions and their enforcement. It is concluded, from a cost-benefit analysis based on pharmacologic, toxicologic, sociologic, and historical facts, that radical steps to repeal the prohibitions on presently illicit drugs would be likely, on balance, to make matters worse rather than better. Specific recommendations are offered for ameliorating the dangers to users and to society that are posed by each addictive drug.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Goldstein, A -- Kalant, H -- New York, N.Y. -- Science. 1990 Sep 28;249(4976):1513-21.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Stanford University, CA 94305.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2218493" target="_blank"〉PubMed〈/a〉
    Keywords: Caffeine ; Cocaine ; Ethanol ; *Health Policy ; Humans ; Plants, Toxic ; *Psychotropic Drugs/adverse effects/toxicity ; Street Drugs ; Tobacco ; United States
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  • 90
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    HTLV-I trans-activator protein, tax, is a trans-repressor of the human beta-polymerase gene (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1990-03-02
    Description: Human T cell leukemia virus type I (HTLV-I) is the etiological agent for adult T cell leukemia (ATL). The HTLV-I trans-activator protein Tax can activate the expression of its own long terminal repeat (LTR) and many cellular and viral genes. Tax down-regulated the expression of human beta-polymerase (hu beta-pol), a cellular enzyme involved in host cell DNA repair. This finding suggests a possible correlation between HTLV-I infection and host chromosomal damage, which is often seen in ATL cells.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Jeang, K T -- Widen, S G -- Semmes, O J 4th -- Wilson, S H -- New York, N.Y. -- Science. 1990 Mar 2;247(4946):1082-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratory of Molecular Microbiology, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD 20892.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2309119" target="_blank"〉PubMed〈/a〉
    Keywords: Base Sequence ; Cell Line ; Cell Line, Transformed ; DNA Polymerase I/*genetics ; DNA, Viral/genetics ; Gene Expression Regulation, Enzymologic ; Gene Expression Regulation, Viral ; Human T-lymphotropic virus 1/*genetics ; Humans ; Molecular Sequence Data ; Plasmids ; Promoter Regions, Genetic ; RNA, Messenger/biosynthesis ; Repetitive Sequences, Nucleic Acid ; Repressor Proteins/biosynthesis/*genetics ; Trans-Activators/biosynthesis/*genetics ; Transcription Factors/*genetics ; Transfection
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    Judd leaves NIMH (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1990-10-19
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉New York, N.Y. -- Science. 1990 Oct 19;250(4979):371.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2218540" target="_blank"〉PubMed〈/a〉
    Keywords: National Institute of Mental Health (U.S.)/*organization & administration ; United States
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  • 92
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    Endogenous cholecystokinin reduces feeding in young rats (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1990-03-30
    Description: The hypothesis that endogenous cholecystokinin (CCK) released from the small intestine during feeding causes satiety was tested in rat pups, 9 to 12 days old. Intragastric administration of soybean trypsin inhibitor, a procedure that releases CCK from the small intestine, decreased the subsequent intake of a test meal. This effect was reversed by prior treatment with MK-329, a selective antagonist of CCK at alimentary-type CCK (CCK-A) receptors. Thus, endogenous, small intestinal CCK can cause satiety in the neonatal rat and this effect involves CCK-A receptors.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Weller, A -- Smith, G P -- Gibbs, J -- MH00149/MH/NIMH NIH HHS/ -- MH40010/MH/NIMH NIH HHS/ -- New York, N.Y. -- Science. 1990 Mar 30;247(4950):1589-91.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Psychiatry, Cornell University Medical College, White Plains, NY.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2321020" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Benzodiazepinones/pharmacology ; Cholecystokinin/antagonists & inhibitors/*physiology ; Devazepide ; Eating/*physiology ; Intestine, Small/*metabolism ; Rats ; Rats, Inbred Strains ; Receptors, Cholecystokinin/drug effects/*physiology
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  • 93
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    Ligand-induced transformation by a noninternalizing epidermal growth factor receptor (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1990-02-23
    Description: Identification of a mutant epidermal growth factor (EGF) receptor that does not undergo downregulation has provided a genetic probe to investigate the role of internalization in ligand-induced mitogenesis. Contact-inhibited cells expressing this internalization-defective receptor exhibited a normal mitogenic response at significantly lower ligand concentrations than did cells expressing wild-type receptors. A transformed phenotype and anchorage-independent growth were observed at ligand concentrations that failed to elicit these responses in cells expressing wild-type receptors. These findings imply that activation of the protein tyrosine kinase activity at the cell membrane is sufficient for the growth-enhancing effects of EGF. Thus, downregulation can serve as an attenuation mechanism, without which transformation ensues.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wells, A -- Welsh, J B -- Lazar, C S -- Wiley, H S -- Gill, G N -- Rosenfeld, M G -- DDK 13149/DK/NIDDK NIH HHS/ -- DDK 18477/DK/NIDDK NIH HHS/ -- New York, N.Y. -- Science. 1990 Feb 23;247(4945):962-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Pathology, University of California-San Diego, La Jolla 92093.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2305263" target="_blank"〉PubMed〈/a〉
    Keywords: Cell Division ; Cell Line ; Down-Regulation ; *Endocytosis ; Enzyme Activation ; Epidermal Growth Factor/pharmacology ; Genetic Vectors ; Moloney murine leukemia virus/genetics ; Mutation ; Phenotype ; Protein-Tyrosine Kinases/metabolism ; Receptor, Epidermal Growth Factor/genetics/*metabolism ; Transfection
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  • 94
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    Requirement for activin A and transforming growth factor--beta 1 pro-regions in homodimer assembly (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1990-03-16
    Description: Many proteins are initially synthesized as part of a large precursor. The role of the pro-region in the biosynthesis of transforming growth factor--beta 1 (TGF-beta 1) and activin A, two structurally related disulfide-linked homodimers synthesized as large precursors, was studied. Vectors that expressed either the pro-region or the mature regions of these molecules were used in complementation experiments, only when the pro-region was coexpressed with the mature region did intracellular dimerization and secretion of biologically active homodimers occur. The pro-regions of activin A and TGF-beta 1, therefore, aid the folding, disulfide bond formation, and export of their respective homodimers.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Gray, A M -- Mason, A J -- New York, N.Y. -- Science. 1990 Mar 16;247(4948):1328-30.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Developmental Biology, Genentech, Inc., South San Francisco, CA 94080.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2315700" target="_blank"〉PubMed〈/a〉
    Keywords: Activins ; Amino Acid Sequence ; Cells, Cultured ; Genetic Complementation Test ; Humans ; Inhibins/*biosynthesis/ultrastructure ; Macromolecular Substances ; Molecular Sequence Data ; Protein Processing, Post-Translational ; Protein Sorting Signals/physiology ; Transfection ; Transforming Growth Factors/*biosynthesis
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    Hair analysis (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1990-11-23
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Martinez, F -- Poet, T S -- Watson, R R -- New York, N.Y. -- Science. 1990 Nov 23;250(4984):1070.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2251495" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cocaine/metabolism/pharmacokinetics ; Hair/*chemistry/metabolism ; Humans ; Male ; Mice ; Morphine/metabolism/pharmacokinetics ; *Substance Abuse Detection
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  • 96
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    Biotechnology on the auction block (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1990-02-23
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Barinaga, M -- New York, N.Y. -- Science. 1990 Feb 23;247(4945):906-8.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2305258" target="_blank"〉PubMed〈/a〉
    Keywords: Biotechnology/*economics ; *Commerce ; Research Personnel ; United States
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    A FASEB sampler. American Societies for Experimental Biology (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1990-04-13
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Williams, S -- New York, N.Y. -- Science. 1990 Apr 13;248(4952):166.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2326632" target="_blank"〉PubMed〈/a〉
    Keywords: Cocaine/*adverse effects ; Death, Sudden ; *Heart Transplantation ; Humans ; *Societies, Scientific ; Tissue Preservation/methods ; United States
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  • 98
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    Scientific integrity (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1990-01-12
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Mason, J O -- Bivens, L W -- New York, N.Y. -- Science. 1990 Jan 12;247(4939):144-6.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2294598" target="_blank"〉PubMed〈/a〉
    Keywords: *Biomedical Research ; Federal Government ; *Government Regulation ; Research/*standards ; Scientific Misconduct ; *Social Control, Formal ; United States ; United States Public Health Service
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  • 99
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    Dingell: AIDS researcher in conflict (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1990-05-11
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Culliton, B J -- New York, N.Y. -- Science. 1990 May 11;248(4956):676.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2333517" target="_blank"〉PubMed〈/a〉
    Keywords: Acquired Immunodeficiency Syndrome/*microbiology ; *Biotechnology ; Conflict (Psychology) ; Ethics, Professional ; *Hiv ; Humans ; National Institutes of Health (U.S.) ; *Research ; United States
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  • 100
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    NIH conflict-of-interest guidelines (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1990-02-02
    Description: In the News & Comment article "Super Collider advocates tangle with cost cutters" by Mark Crawford (12 Jan., p. 152), the collision energy of the Superconducting Super Collider (SSC) was incorrectly described as being two orders of magnitude greater than that of the Tevatron. The SSC's collision energy is supposed to be 40 trillion election volts-20 times that of the Tevatron. In addition, the $7.2-billion cost estimate for the project is based on inflated dollars, not constant dollars, as was stated.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Siekevitz, P -- New York, N.Y. -- Science. 1990 Feb 2;247(4942):516.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2300808" target="_blank"〉PubMed〈/a〉
    Keywords: *Ethics, Professional ; *National Institutes of Health (U.S.) ; *Research Support as Topic ; United States
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