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  • 1
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    Science over politics (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-04-17
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lanza, R P -- Arrow, K J -- Axelrod, J -- Baltimore, D -- Benacerraf, B -- Bloch, K E -- Bloembergen, N -- Brown, H C -- Brown, M S -- Cibelli, J B -- Cohen, S -- Cooper, L N -- Corey, E J -- Dulbecco, R -- Fischer, E H -- Fitch, V L -- Friedmen, M -- Friedman, M -- Furchgott, R F -- Gell-Mann, M -- Glaser, D A -- Glashow, S L -- Gilbert, W -- Goldstein, J L -- Wilson, R W -- New York, N.Y. -- Science. 1999 Mar 19;283(5409):1849-50.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10206888" target="_blank"〉PubMed〈/a〉
    Keywords: *Bioethics ; Biomedical Research ; *Embryo Research ; Embryo, Mammalian/*cytology ; Federal Government ; Government Regulation ; Humans ; Politics ; Research/*legislation & jurisprudence ; Research Support as Topic/legislation & jurisprudence ; *Risk Assessment ; *Stem Cells ; 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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  • 2
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    Inhibition of proteasome activities and subunit-specific amino-terminal threonine modification by lactacystin (1995)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1995-05-05
    Description: Lactacystin is a Streptomyces metabolite that inhibits cell cycle progression and induces neurite outgrowth in a murine neuroblastoma cell line. Tritium-labeled lactacystin was used to identify the 20S proteasome as its specific cellular target. Three distinct peptidase activities of this enzyme complex (trypsin-like, chymotrypsin-like, and peptidylglutamyl-peptide hydrolyzing activities) were inhibited by lactacystin, the first two irreversibly and all at different rates. None of five other proteases were inhibited, and the ability of lactacystin analogs to inhibit cell cycle progression and induce neurite outgrowth correlated with their ability to inhibit the proteasome. Lactacystin appears to modify covalently the highly conserved amino-terminal threonine of the mammalian proteasome subunit X (also called MB1), a close homolog of the LMP7 proteasome subunit encoded by the major histocompatibility complex. This threonine residue may therefore have a catalytic role, and subunit X/MB1 may be a core component of an amino-terminal-threonine protease activity of the proteasome.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Fenteany, G -- Standaert, R F -- Lane, W S -- Choi, S -- Corey, E J -- Schreiber, S L -- New York, N.Y. -- Science. 1995 May 5;268(5211):726-31.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Howard Hughes Medical Institute, Department of Chemistry, Harvard University, Cambridge, MA 02138.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7732382" target="_blank"〉PubMed〈/a〉
    Keywords: Acetylcysteine/*analogs & derivatives/pharmacology ; Amino Acid Sequence ; Animals ; Carrier Proteins/metabolism ; Cattle ; Chromatography, High Pressure Liquid ; Cysteine Endopeptidases/*drug effects/metabolism ; Cysteine Proteinase Inhibitors/*pharmacology ; Electrophoresis, Polyacrylamide Gel ; Mice ; Molecular Sequence Data ; Multienzyme Complexes/*drug effects/metabolism ; Nerve Tissue Proteins/metabolism ; Neurons/*drug effects ; Proteasome Endopeptidase Complex ; Threonine/*drug effects ; Tumor Cells, Cultured
    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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  • 3
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    Bronchoconstrictor effects of leukotriene C in humans (1982)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1982-04-09
    Description: Maximum expiratory flow rate at 30 percent of vital capacity above residual volume served as an index of airway obstruction in comparing the effects of leukotriene C and histamine administered by aerosol to five normal persons. Leukotriene C was 600 to 9500 times more potent than histamine on a molar basis in producing an equivalent decrement in the residual volume. The leukotriene C response was slow in onset and prolonged, reminiscent of the effects of aerosol allergen challenge in asthmatic allergic subjects.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Weiss, J W -- Drazen, J M -- Coles, N -- McFadden, E R Jr -- Weller, P F -- Corey, E J -- Lewis, R A -- Austen, K F -- AI-00399/AI/NIAID NIH HHS/ -- AI-07722/AI/NIAID NIH HHS/ -- AI-10356/AI/NIAID NIH HHS/ -- New York, N.Y. -- Science. 1982 Apr 9;216(4542):196-8.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7063880" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Airway Resistance/*drug effects ; Bronchi/*drug effects ; Dose-Response Relationship, Drug ; Female ; Histamine/pharmacology ; Humans ; Male ; Middle Aged ; Prostaglandins F/pharmacology ; SRS-A/*pharmacology ; Time Factors
    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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    Antiarthritic gold compounds effectively quench electronically excited singlet oxygen (1987)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1987-04-03
    Description: Although certain gold [Au(I)] compounds have been used effectively in the treatment of rheumatoid arthritis for some years, the molecular basis for such therapeutic action has been unclear. One possible mechanism of the action of Au(I) compounds is that they protect unsaturated membrane lipids and proteins against oxidative degradation caused by activated phagocytes that are not properly regulated. In this study it has been shown that superoxide ion (O-2.), a product of activated phagocytes, can be oxidized to electronically excited singlet oxygen (O1(2)delta g), an agent that is capable of peroxidation of unsaturated fatty acid derivatives. It has also been shown that antiarthritic Au(I) compounds are effective deactivators of O1(2)delta g with quenching constants on the order of 10(7) M-1 sec-1.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Corey, E J -- Mehrotra, M M -- Khan, A U -- New York, N.Y. -- Science. 1987 Apr 3;236(4797):68-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3563489" target="_blank"〉PubMed〈/a〉
    Keywords: Arthritis, Rheumatoid/drug therapy ; *Auranofin ; Chemistry, Physical ; Humans ; Kinetics ; Lipid Peroxides ; *Oxygen ; Physicochemical Phenomena
    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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    Computer-assisted analysis in organic synthesis (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1985-04-26
    Description: The planning of alternative routes for the synthesis of complex organic molecules has been facilitated by the formulation of guiding strategies that can be applied to a broad range of problems. Analysis of organic synthesis can be carried out in the retrosynthetic direction, opposite to the actual process of chemical synthesis, or bidirectionally, that is, as a combined retrosynthetic and synthetic search. An interactive computer program is described which utilizes the general strategies of retrosynthetic analysis and an appropriate database to generate pathways of chemical intermediates for chemical synthesis of a particular target structure. Computer graphics and standard chemical structures are used for man-machine communication.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Corey, E J -- Long, A K -- Rubenstein, S D -- New York, N.Y. -- Science. 1985 Apr 26;228(4698):408-18.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3838594" target="_blank"〉PubMed〈/a〉
    Keywords: Chemical Phenomena ; Chemistry ; Chemistry, Organic/*methods ; *Computers ; Forecasting ; Software
    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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    rel-Methyl (3R,3aR,4aS,5S,7R,8R,8aS,9aS)-5-bromododecahydro-3-isopropyl-8,9a-dimethyl-10-oxo-4a,8-(epoxymethano)-4aH-benz[f]indene-7-carboxylate (1) and rel-methyl (3R,3aS,4aS,5S,7R,8R,8aS,9aS)-5-bromododecahydro-3-isopropyl-8,9a-dimethyl-10-oxo-4a,8-(epoxymethano)-4aH-benz[f]indene-7-carboxylate (2), C21H31BrO4 (1985)
    International Union of Crystallography
    Details
    Publication Date: 1985-02-15
    Print ISSN: 0108-2701
    Electronic ISSN: 1600-5759
    Topics: Chemistry and Pharmacology , Geosciences , Physics
    Published by International Union of Crystallography
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