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  • United States  (113)
  • Cell Line  (46)
  • Molecular Weight  (25)
  • Phosphorylation
  • American Association for the Advancement of Science (AAAS)  (188)
  • American Association of Petroleum Geologists (AAPG)
  • Bonn: Institute of Labor Economics (IZA)
  • Cornell University Press
  • 1985-1989  (188)
  • 1975-1979
  • 1986  (188)
Collection
Keywords
Publisher
  • American Association for the Advancement of Science (AAAS)  (188)
  • American Association of Petroleum Geologists (AAPG)
  • Bonn: Institute of Labor Economics (IZA)
  • Cornell University Press
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  • 1985-1989  (188)
  • 1975-1979
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  • 1
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    Research toward malaria vaccines (1986)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1986-12-12
    Description: Malaria exacts a toll of disease to people in the Tropics that seems incomprehensible to those only familiar with medicine and human health in the developed world. The methods of molecular biology, immunology, and cell biology are now being used to develop an antimalarial vaccine. The Plasmodium parasites that cause malaria have many stages in their life cycle. Each stage is antigenically distinct and potentially could be interrupted by different vaccines. However, achieving complete protection by vaccination may require a better understanding of the complexities of B- and T-cell priming in natural infections and the development of an appropriate adjuvant for use in humans.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Miller, L H -- Howard, R J -- Carter, R -- Good, M F -- Nussenzweig, V -- Nussenzweig, R S -- P01-AI17429/AI/NIAID NIH HHS/ -- New York, N.Y. -- Science. 1986 Dec 12;234(4782):1349-56.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2431481" target="_blank"〉PubMed〈/a〉
    Keywords: Antigens, Protozoan/analysis ; Arthropod Vectors ; Epitopes/analysis ; Erythrocytes/parasitology ; Humans ; *Immunotherapy ; Malaria/immunology/*prevention & control/transmission ; Molecular Weight ; Mosquito Control ; Plasmodium/immunology ; Receptors, Antigen, T-Cell/immunology ; T-Lymphocytes, Helper-Inducer/immunology ; *Vaccines
    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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    Radiation effects research in Japan (1986)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1986-10-10
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Shigematsu, I -- New York, N.Y. -- Science. 1986 Oct 10;234(4773):128.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3749896" target="_blank"〉PubMed〈/a〉
    Keywords: Follow-Up Studies ; Humans ; Japan ; *Nuclear Warfare ; *Radiation Injuries ; 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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  • 3
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    Human multidrug-resistant cell lines: increased mdr1 expression can precede gene amplification (1986)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1986-05-02
    Description: The development of simultaneous resistance to multiple structurally unrelated drugs is a major impediment to cancer chemotherapy. Multidrug resistance in human KB carcinoma cells selected in colchicine, vinblastine, or Adriamycin is associated with amplification of specific DNA sequences (the multidrug resistance locus, mdr1). During colchicine selection resistance is initially accompanied by elevated expression of a 4.5-kilobase mdr1 messenger RNA (mRNA) without amplification of the corresponding genomic sequences. During selection for increased levels of resistance, expression of this mRNA is increased simultaneously with amplification of mdr1 DNA. Increased expression and amplification of mdr1 sequences were also found in multidrug-resistant sublines of human leukemia and ovarian carcinoma cells. These results suggest that increased expression of mdr1 mRNA is a common mechanism for multidrug resistance in human cells. Activation of the mdr1 gene by mutations or epigenetic changes may precede its amplification during the development of resistance.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Shen, D W -- Fojo, A -- Chin, J E -- Roninson, I B -- Richert, N -- Pastan, I -- Gottesman, M M -- New York, N.Y. -- Science. 1986 May 2;232(4750):643-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3457471" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Line ; Colchicine/pharmacology ; Cricetinae ; Cricetulus ; DNA, Neoplasm/genetics ; Doxorubicin/pharmacology ; *Drug Resistance ; Female ; *Gene Amplification ; Humans ; Leukemia, Lymphoid/drug therapy ; Neoplasms/*drug therapy/genetics ; Nucleic Acid Hybridization ; Ovarian Neoplasms/drug therapy ; RNA, Messenger/genetics ; Vinblastine/pharmacology
    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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    Congress likely to halt shrinkage in AIDS funds (1986)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1986-03-21
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Norman, C -- New York, N.Y. -- Science. 1986 Mar 21;231(4744):1364-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3952488" target="_blank"〉PubMed〈/a〉
    Keywords: Acquired Immunodeficiency Syndrome/*economics ; National Institutes of Health (U.S.) ; Research Support as Topic ; 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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  • 5
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    NIH gets a friendly hearing on Capitol Hill (1986)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1986-03-21
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Norman, C -- New York, N.Y. -- Science. 1986 Mar 21;231(4744):1364.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3952487" target="_blank"〉PubMed〈/a〉
    Keywords: Budgets ; Legislation, Medical ; *National Institutes of Health (U.S.) ; United States
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 6
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    Science escapes brunt of budget ax (1986)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1986-02-21
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Norman, C -- New York, N.Y. -- Science. 1986 Feb 21;231(4740):785-8.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3945809" target="_blank"〉PubMed〈/a〉
    Keywords: Legislation as Topic ; National Institutes of Health (U.S.)/*economics ; 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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  • 7
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    AIDS priority fight goes to court (1986)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1986-01-03
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Norman, C -- New York, N.Y. -- Science. 1986 Jan 3;231(4733):11-2.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3001932" target="_blank"〉PubMed〈/a〉
    Keywords: Acquired Immunodeficiency Syndrome/*microbiology ; Antibodies, Viral/analysis ; Deltaretrovirus/*isolation & purification ; France ; HIV Antibodies ; Humans ; Patents as Topic/*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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  • 8
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    Cell surface molecule associated with lymphocyte homing is a ubiquitinated branched-chain glycoprotein (1986)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1986-02-21
    Description: Partial amino acid sequence analysis of a purified lymphocyte homing receptor demonstrates the presence of two amino termini, one of which corresponds precisely to the amino terminus of ubiquitin. This observation extends the province of this conserved polypeptide to the cell surface and leads to a proposed model of the receptor complex as a core polypeptide modified by glycosylation and ubiquitination. Independent antibodies to ubiquitin serve to identify additional cell surface species, an indication that ubiquitination of cell surface proteins may be more general. It is proposed that functional binding of lymphocytes to lymph node high endothelial venules might involve the ubiquitinated region of the receptor; if true, cell surface ubiquitin could play a more general role in cell-cell interaction and adhesion.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Siegelman, M -- Bond, M W -- Gallatin, W M -- St John, T -- Smith, H T -- Fried, V A -- Weissman, I L -- AI 19512/AI/NIAID NIH HHS/ -- CA 09151/CA/NCI NIH HHS/ -- GM 31461/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1986 Feb 21;231(4740):823-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3003913" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Antibodies, Monoclonal ; Cell Movement ; Endothelium/metabolism ; Glycoproteins/metabolism/*physiology ; Glycoside Hydrolases/metabolism ; High Mobility Group Proteins/*metabolism ; Lymphocytes/*physiology ; Mannosyl-Glycoprotein Endo-beta-N-Acetylglucosaminidase ; Membrane Proteins/metabolism/*physiology ; Mice ; Molecular Weight ; Protein Processing, Post-Translational ; Receptors, Cell Surface/metabolism/*physiology ; Ubiquitins/immunology/*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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  • 9
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    Subsidizing research: role of the university (1986)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1986-06-20
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Rosenzweig, R M -- New York, N.Y. -- Science. 1986 Jun 20;232(4757):1508-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3715459" target="_blank"〉PubMed〈/a〉
    Keywords: Government Agencies ; *Research Support as Topic ; United States ; Universities/*economics
    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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    Calcium rises abruptly and briefly throughout the cell at the onset of anaphase (1986)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1986-08-22
    Description: Continuous measurement and imaging of the intracellular free calcium ion concentration ([Ca2+]i) of mitotic and interphase PtK1 cells was accomplished with the new fluorescent Ca2+ indicator fura-2. No statistically significant difference between basal [Ca2+]i of interphase and mitotic cells was detected. However, mitotic cells showed a rapid elevation of [Ca2+]i from basal levels of 130 nM to 500 to 800 nM at the metaphase-anaphase transition. The [Ca2+]i transient was brief, lasting approximately 20 seconds and the elevated [Ca2+]i appeared uniformly distributed over the entire spindle and central region of the cell. The close temporal association of the [Ca2+]i transient with the onset of anaphase suggests that calcium may have a signaling role in this event.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Poenie, M -- Alderton, J -- Steinhardt, R -- Tsien, R -- EY04372/EY/NEI NIH HHS/ -- GM31004/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1986 Aug 22;233(4766):886-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3755550" target="_blank"〉PubMed〈/a〉
    Keywords: *Anaphase ; Animals ; Benzofurans ; Calcium/*metabolism ; Cell Line ; Fluorescent Dyes ; Fura-2 ; Mitosis
    Print ISSN: 0036-8075
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 11
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    Replicative and cytopathic potential of HTLV-III/LAV with sor gene deletions (1986)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1986-03-28
    Description: The genome of the human T-lymphotropic virus type III (HTLV-III/LAV) has the potential to encode at least three polypeptides in addition to those encoded by the gag, pol, and env genes. In this study, the product of the sor (short open reading frame) region, which overlaps the 3' end of the pol gene, was found to be a protein with a molecular weight of 23,000. An assay was developed for testing the ability of cloned HTLV-III proviruses to produce viruses cytopathic for T4+ lymphocytes. In the cell line used, C8166, neither the HTLV-III sor gene product nor the complete 3'-orf gene product were necessary for the replication or cytopathic effects of the HTLV-III.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sodroski, J -- Goh, W C -- Rosen, C -- Tartar, A -- Portetelle, D -- Burny, A -- Haseltine, W -- CA07580/CA/NCI NIH HHS/ -- CA40658/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1986 Mar 28;231(4745):1549-53.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3006244" target="_blank"〉PubMed〈/a〉
    Keywords: Cell Line ; Cytopathogenic Effect, Viral ; Deltaretrovirus/*genetics/pathogenicity ; *Genes, Viral ; Humans ; Retroviridae Proteins/genetics ; T-Lymphocytes/microbiology ; *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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  • 12
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    Recombinant human granulocyte colony-stimulating factor: effects on normal and leukemic myeloid cells (1986)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1986-04-04
    Description: Experiments were conducted to isolate and characterize the gene and gene product of a human hematopoietic colony-stimulating factor with pluripotent biological activities. This factor has the ability to induce differentiation of a murine myelomonocytic leukemia cell line WEHI-3B(D+) and cells from patients with newly diagnosed acute nonlymphocytic leukemia (ANLL). A complementary DNA copy of the gene encoding a pluripotent human granulocyte colony-stimulating factor (hG-CSF) was cloned and expressed in Escherichia coli. The recombinant form of hG-CSF is capable of supporting neutrophil proliferation in a CFU-GM assay. In addition, recombinant hG-CSF can support early erythroid colonies and mixed colony formation. Competitive binding studies done with 125I-labeled hG-CSF and cell samples from two patients with newly diagnosed human leukemias as well as WEHI-3B(D+) cells showed that one of the human leukemias (ANLL, classified as M4) and the WEHI-3B(D+) cells have receptors for hG-CSF. Furthermore, the murine WEHI-3B(D+) cells and human leukemic cells classified as M2, M3, and M4 were induced by recombinant hG-CSF to undergo terminal differentiation to macrophages and granulocytes. The secreted form of the protein produced by the bladder carcinoma cell line 5637 was found to be O-glycosylated and to have a molecular weight of 19,600.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Souza, L M -- Boone, T C -- Gabrilove, J -- Lai, P H -- Zsebo, K M -- Murdock, D C -- Chazin, V R -- Bruszewski, J -- Lu, H -- Chen, K K -- CA00966/CA/NCI NIH HHS/ -- CA20194/CA/NCI NIH HHS/ -- CA32516/CA/NCI NIH HHS/ -- etc. -- New York, N.Y. -- Science. 1986 Apr 4;232(4746):61-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2420009" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Differentiation/drug effects ; Cell Line ; Colony-Forming Units Assay ; Colony-Stimulating Factors/genetics/*pharmacology ; DNA/metabolism ; Escherichia coli/genetics ; Genes ; Granulocyte Colony-Stimulating Factor ; Granulocytes/*physiology ; Humans ; Leukemia/*pathology ; Leukemia, Myeloid/pathology ; Mice ; Plasmids ; Recombinant Proteins/*pharmacology
    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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    $2-billion program urged for AIDS (1986)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1986-11-07
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Norman, C -- New York, N.Y. -- Science. 1986 Nov 7;234(4777):661-2.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3775357" target="_blank"〉PubMed〈/a〉
    Keywords: *Acquired Immunodeficiency Syndrome ; Humans ; Research Support as Topic ; 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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    Participation of c-myc protein in DNA synthesis of human cells (1986)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1986-10-24
    Description: The protein product of oncogene c-myc is believed to be important in regulation of the cell cycle. However, its direct role in DNA synthesis has not been explored. Experiments presented here show that the addition of affinity-purified antibodies against the human c-myc protein to nuclei isolated from several types of human cells reversibly inhibited DNA synthesis and DNA polymerase activity of these nuclei. This suggests that c-myc encodes a protein that is functionally involved in DNA synthesis.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Studzinski, G P -- Brelvi, Z S -- Feldman, S C -- Watt, R A -- New York, N.Y. -- Science. 1986 Oct 24;234(4775):467-70.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3532322" target="_blank"〉PubMed〈/a〉
    Keywords: Cell Line ; Cell Nucleus/physiology ; Cell-Free System ; DNA/biosynthesis ; *DNA Replication ; Humans ; Immunologic Techniques ; Nucleic Acid Synthesis Inhibitors ; Proto-Oncogene Proteins/*physiology ; *Proto-Oncogenes
    Print ISSN: 0036-8075
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 15
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    Vaccine compensation proposals abound on Capitol Hill (1986)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1986-07-25
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sun, M -- New York, N.Y. -- Science. 1986 Jul 25;233(4762):415.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3487830" target="_blank"〉PubMed〈/a〉
    Keywords: Child ; *Compensation and Redress ; Diphtheria Toxoid/adverse effects ; Diphtheria-Tetanus-Pertussis Vaccine ; Drug Combinations/adverse effects ; Federal Government ; Humans ; *Legislation, Medical ; Pertussis Vaccine/adverse effects ; Tetanus Toxoid/adverse effects ; United States ; Vaccines/*adverse effects
    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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    Drug export bill torpedoed by amendment (1986)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1986-07-04
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sun, M -- New York, N.Y. -- Science. 1986 Jul 4;233(4759):22.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3715472" target="_blank"〉PubMed〈/a〉
    Keywords: *Legislation, Pharmacy ; United States
    Print ISSN: 0036-8075
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 17
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    Adult decisions (1986)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1986-01-31
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Soloway, A H -- New York, N.Y. -- Science. 1986 Jan 31;231(4737):442.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3941905" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Child ; Drug Therapy/*standards ; *Government Agencies ; Humans ; *Patient Participation ; Social Responsibility ; United States
    Print ISSN: 0036-8075
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 18
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    Immortalization of human T lymphocytes after transfection of Epstein-Barr virus DNA (1986)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1986-08-29
    Description: Epstein-Barr virus (EBV), a ubiquitous human herpesvirus, has the ability to transform human B lymphocytes. No other cell type has been experimentally transformed by EBV, either by intact virions or naked viral DNA and subgenomic fragments. Two immortalized human T-lymphoblastoid cell lines have now been established by transfecting cord blood lymphocytes with purified B95-8 viral DNA enclosed in fusogenic Sendai virus envelopes (RSVE) and then exposing the cells to EBV from a P3HR-1 cell subclone. One of these lines, which has been fully characterized, is termed HBD-1. This line is positive for EBV DNA and expresses surface OKT11, OKT4, and Tac receptors, but not M-1, mu immunoglobulin chains, EBV receptors, or B-1 surface markers. The cells contain fully rearranged T-cell receptor genes and germline immunoglobulin genes. The karyotype of the cells is normal, they do not require interleukin-2 for growth, and do not contain human T-lymphotropic virus type I. However, the HBD-1 cells contain incomplete EBV genomes and express several EBV-determined antigens, including the early antigen type D, membrane antigens, but not EBV-determined nuclear antigen (EBNA). This association of the EBV genome with permanently growing hematopoietic cells of non B-cell lineage should prove useful in studies on the mechanism of EBV-mediated cell transformation.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Stevenson, M -- Volsky, B -- Hedenskog, M -- Volsky, D J -- CA33386/CA/NCI NIH HHS/ -- CA37465/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1986 Aug 29;233(4767):980-4.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3016899" target="_blank"〉PubMed〈/a〉
    Keywords: Cell Line ; Cell Survival ; DNA, Viral/*genetics ; Deltaretrovirus/genetics ; Herpesvirus 4, Human/*genetics ; Humans ; Nucleic Acid Hybridization ; T-Lymphocytes/*microbiology/physiology ; *Transfection
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  • 19
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    Oligodendrocyte adhesion activates protein kinase C-mediated phosphorylation of myelin basic protein (1986)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1986-12-12
    Description: When isolated adult oligodendrocytes adhere to a substratum myelinogenesis occurs. Investigation of the mechanism by which this happens indicated that the oligodendrocyte-substratum interaction activated protein kinase C-dependent phosphorylation of myelin basic protein and promoted the synthesis of myelin basic protein. In addition, when agents that activate protein kinase C (second messenger diacylglycerol or a tumor-promoting phorbol ester) were added to nonattached oligodendrocytes, they mimicked the influence of the substratum by inducing phosphorylation of myelin basic protein; and reagents that increase cellular adenosine 3', 5'-monophosphate (cyclic AMP) inhibited phosphorylation of myelin basic protein. Thus, at least in vitro, the interaction between oligodendrocytes and the substratum may mediate myelinogenic events, and phosphorylation of myelin basic protein may be an early requirement in the sequence of steps that ultimately results in myelin formation.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Vartanian, T -- Szuchet, S -- Dawson, G -- Campagnoni, A T -- GM-07183/GM/NIGMS NIH HHS/ -- HD-04583/HD/NICHD NIH HHS/ -- HD-06426/HD/NICHD NIH HHS/ -- etc. -- New York, N.Y. -- Science. 1986 Dec 12;234(4782):1395-8.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2431483" target="_blank"〉PubMed〈/a〉
    Keywords: 1-Methyl-3-isobutylxanthine/pharmacology ; Adult ; Calcimycin/pharmacology ; Cell Adhesion ; Colforsin/pharmacology ; Cyclic AMP/metabolism ; Enzyme Activation ; Humans ; Myelin Basic Protein/*metabolism ; Neuroglia/*cytology ; Oligodendroglia/*cytology ; Phosphorylation ; Protein Kinase C/*metabolism ; Tetradecanoylphorbol Acetate/pharmacology
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  • 20
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    Fertility in the United States (1986)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1986-10-31
    Description: From the postwar high of 3.8 births per woman at the peak of the baby boom, the total fertility rate in the United States has fallen to 1.8, where it has remained unchanged for nearly a decade. This below-replacement level of fertility has, in recent decades, characterized most Western countries, some of which have shown declines to well below 1.5 births per woman. Were it not for the continued infusion of immigrants, the U.S. population, which already shows the aging characteristic of low fertility, would stop growing and begin to decline before the middle of the next century. The low fertility in the United States has been accomplished by a postponement of marriage and by the widespread use of contraception, with heavy reliance on surgical sterilization as a contraceptive method. Judging from the experience of other Western countries and from our own historical experience of two centuries of fertility decline interrupted only by the baby boom, as well as from the absence of social trends that would counteract those contributing to that decline, the prognosis is for a continued low level of fertility in the United States.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Westoff, C F -- New York, N.Y. -- Science. 1986 Oct 31;234(4776):554-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3532324" target="_blank"〉PubMed〈/a〉
    Keywords: Adolescent ; Adult ; *Birth Rate ; Contraception/history ; Ethnic Groups ; Female ; Fertility ; Forecasting ; History, 20th Century ; Humans ; Population Dynamics ; Population Growth ; Pregnancy ; Pregnancy in Adolescence ; United States
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  • 21
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    Expression and characterization of the trans-activator of HTLV-III/LAV virus (1986)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1986-11-21
    Description: The human T-lymphotropic retrovirus HTLV-III/LAV encodes a trans-activator that increases viral gene expression. We expressed this trans-activator in animal cells and studied its structural and functional characteristics. The putative trans-activator protein was immunoprecipitated from overproducing stable cell lines and shown to migrate as a 14-kilodalton polypeptide on sodium dodecyl sulfate-polyacrylamide gels. S1 nuclease mapping experiments showed that the trans-activator increases the levels of steady-state messenger RNA transcribed from the viral long terminal repeat promoter. Sequences within the R region of the HTLV-III/LAV long terminal repeat are essential for trans-activation. Quantitations of messenger RNA and protein showed that the protein increase was greater than the messenger RNA increase in CV1 and HeLa cells, indicating that more than one mechanism was responsible for the trans-activation and that cell type-specific factors may determine the final level of trans-activation.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wright, C M -- Felber, B K -- Paskalis, H -- Pavlakis, G N -- N01-CO-23909/CO/NCI NIH HHS/ -- New York, N.Y. -- Science. 1986 Nov 21;234(4779):988-92.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3490693" target="_blank"〉PubMed〈/a〉
    Keywords: Cell Line ; Electrophoresis, Polyacrylamide Gel ; Gene Products, rev ; HIV/*genetics ; Molecular Sequence Data ; Nucleic Acid Hybridization ; RNA, Messenger/analysis ; Retroviridae Proteins/*metabolism ; Transfection ; Viral Proteins/*biosynthesis ; Virus Activation ; rev Gene Products, Human Immunodeficiency Virus
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  • 22
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    Activation of mouse T-helper cells induces abundant preproenkephalin mRNA synthesis (1986)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1986-05-09
    Description: Antigenic or mitogenic stimulation of T cells induces the secretion of an array of protein hormones that regulate immune responses. Molecular cloning has contributed strongly to our present understanding of the nature of this regulation. A complementary DNA (cDNA) library prepared from a cloned concanavalin A-activated mouse T-helper cell line was screened for abundant and induction-specific cDNA's. One such randomly chosen cDNA was found to encode mouse preproenkephalin messenger RNA (mRNA). Preproenkephalin mRNA represented about 0.4 percent of the mRNA in the activated cell line but was absent in resting cells of this line. Other induced T-helper cell lines have 0.1 to 0.5 percent of their mRNA as preproenkephalin mRNA. Induced T-helper cell culture supernatants have [Met]enkephalin-immunoreactive material. The production by activated T cells of a peptide neurotransmitter identifies a signal that can potentially permit T cells to modulate the nervous system.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Zurawski, G -- Benedik, M -- Kamb, B J -- Abrams, J S -- Zurawski, S M -- Lee, F D -- New York, N.Y. -- Science. 1986 May 9;232(4751):772-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2938259" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Base Sequence ; Cattle ; Cell Line ; Cloning, Molecular ; DNA/genetics ; Enkephalins/*biosynthesis/genetics ; Humans ; *Lymphocyte Activation ; Mice ; Protein Precursors/*biosynthesis/genetics ; RNA, Messenger/*biosynthesis ; Rats ; T-Lymphocytes, Helper-Inducer/drug effects/metabolism/*physiology
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  • 23
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    Transition state analogs as ligands for affinity purification of juvenile hormone esterase (1986)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1986-09-05
    Description: Insect juvenile hormones are metabolized in numerous species of caterpillars by low abundance, highly specific esterases. Because of their role in regulating and possibly disrupting juvenile hormone titer and thus insect metamorphosis, they are of interest to developmental biologists as well as scientists interested in selective insect control. However, the enzymes have defied attempts to purify and characterize them. Juvenile hormone esterase activity can be inhibited by a variety of 3-substituted 1,1,1-trifluoropropanone sulfides. These apparent transition state analogs were used as ligands and eluting agents to purify juvenile hormone esterase from four insect species from 500-fold to over 1000-fold in high yield. After elution from the affinity column, the enzymes were radiolabeled with paraoxon and analyzed by electrophoresis, and the results demonstrate a high degree of purity. Transition state analogs may be useful for the affinity purification of other enzymes.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Abdel-Aal, Y A -- Hammock, B D -- New York, N.Y. -- Science. 1986 Sep 5;233(4768):1073-6.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3738525" target="_blank"〉PubMed〈/a〉
    Keywords: Acetone/*analogs & derivatives ; Animals ; Carboxylic Ester Hydrolases/antagonists & inhibitors/*isolation & purification ; Chromatography, Affinity/*methods ; Fluorine ; Hemolymph/enzymology ; Juvenile Hormones/*metabolism ; Ligands ; Molecular Weight ; Moths ; Paraoxon/pharmacology
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  • 24
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    Senate votes to expand anti-AIDS drug trials (1986)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1986-09-26
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Barnes, D M -- New York, N.Y. -- Science. 1986 Sep 26;233(4771):1382.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3529390" target="_blank"〉PubMed〈/a〉
    Keywords: Acquired Immunodeficiency Syndrome/*drug therapy ; Clinical Trials as Topic ; Government Agencies ; Humans ; National Institutes of Health (U.S.) ; Thymidine/*analogs & derivatives/therapeutic use ; United States ; Zidovudine
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  • 25
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    A yeast gene that is essential for release from glucose repression encodes a protein kinase (1986)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1986-09-12
    Description: The SNF1 gene plays a central role in carbon catabolite repression in the yeast Saccharomyces cerevisiae, namely that SNF1 function is required for expression of glucose-repressible genes. The nucleotide sequence of the cloned SNF1 gene was determined, and the predicted amino acid sequence shows that SNF1 encodes a 72,040-dalton polypeptide that has significant homology to the conserved catalytic domain of mammalian protein kinases. Specific antisera were prepared and used to identify the SNF1 protein. The protein was shown to transfer phosphate from adenosine triphosphate to serine and threonine residues in an in vitro autophosphorylation reaction. These findings indicate that SNF1 encodes a protein kinase and suggest that protein phosphorylation plays a critical role in regulation by carbon catabolite repression in eukaryotic cells.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Celenza, J L -- Carlson, M -- GM34095/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1986 Sep 12;233(4769):1175-80.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3526554" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Base Sequence ; Enzyme Repression ; Genes ; Glucose/*metabolism ; Phosphorylation ; Protein Kinases/biosynthesis/*genetics ; Saccharomyces cerevisiae/enzymology/*genetics
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  • 26
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    Gene transfer and molecular cloning of the human NGF receptor (1986)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1986-04-25
    Description: Nerve growth factor (NGF) and its receptor are important in the development of cells derived from the neural crest. Mouse L cell transformants have been generated that stably express the human NGF receptor gene transfer with total human DNA. Affinity cross-linking, metabolic labeling and immunoprecipitation, and equilibrium binding with 125I-labeled NGF revealed that this NGF receptor had the same size and binding characteristics as the receptor from human melanoma cells and rat PC12 cells. The sequences encoding the NGF receptor were molecularly cloned using the human Alu repetitive sequence as a probe. A cosmid clone that contained the human NGF receptor gene allowed efficient transfection and expression of the receptor.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Chao, M V -- Bothwell, M A -- Ross, A H -- Koprowski, H -- Lanahan, A A -- Buck, C R -- Sehgal, A -- NS-17551/NS/NINDS NIH HHS/ -- NS-23343-01/NS/NINDS NIH HHS/ -- NS21072/NS/NINDS NIH HHS/ -- etc. -- New York, N.Y. -- Science. 1986 Apr 25;232(4749):518-21.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3008331" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Line ; Cell Transformation, Neoplastic/drug effects ; *Cloning, Molecular ; DNA, Recombinant ; Genes ; Humans ; Melanoma/metabolism ; Mice ; Oncogenes ; Rats ; Receptors, Cell Surface/*genetics ; Receptors, Nerve Growth Factor ; Repetitive Sequences, Nucleic Acid ; Tunicamycin/pharmacology
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  • 27
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    Drug-resistant Salmonella in the United States: an epidemiologic perspective (1986)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1986-11-21
    Description: Salmonellosis poses a health problem of large proportions in the United States. Annually, it accounts for more than 40,000 reported cases, 500 deaths, and financial costs well in excess of $50 million. Antimicrobial resistance is increasing in Salmonella strains, a finding that has important public health implications. Although the chain of transmission of the bacteria is often complex, combined epidemiologic and laboratory studies with the use of new methods in molecular biology make it possible to trace antimicrobial-resistant salmonellae to their primary source--foods of animal origin. These studies suggest that the antimicrobial drugs to which food animals are exposed provide selective pressure that leads to the appearance and persistence of resistant strains.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cohen, M L -- Tauxe, R V -- New York, N.Y. -- Science. 1986 Nov 21;234(4779):964-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3535069" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Anti-Bacterial Agents/*pharmacology/therapeutic use ; Chloramphenicol/pharmacology ; Disease Outbreaks/*epidemiology ; *Drug Resistance, Microbial ; Gastroenteritis/etiology ; Humans ; Meningitis/drug therapy ; Salmonella/*drug effects ; Salmonella Food Poisoning ; Salmonella Infections/epidemiology ; Salmonella Infections, Animal/transmission ; Sepsis/drug therapy ; United States
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  • 28
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    Harvard researchers retract data in immunology paper (1986)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1986-11-28
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Culliton, B J -- New York, N.Y. -- Science. 1986 Nov 28;234(4780):1069.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3535072" target="_blank"〉PubMed〈/a〉
    Keywords: *Publishing ; *Retraction of Publication as Topic ; United States
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  • 29
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    OMB slashes NIH budget for FY 88 (1986)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1986-12-19
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Culliton, B J -- New York, N.Y. -- Science. 1986 Dec 19;234(4783):1494.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3787258" target="_blank"〉PubMed〈/a〉
    Keywords: Budgets/*legislation & jurisprudence ; Financial Management/*legislation & jurisprudence ; *National Institutes of Health (U.S.) ; United States
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  • 30
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    Pressure to cut the deficit creates uncertainty for biomedical research (1986)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1986-05-02
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Culliton, B J -- New York, N.Y. -- Science. 1986 May 2;232(4750):564-6.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3961496" target="_blank"〉PubMed〈/a〉
    Keywords: *National Institutes of Health (U.S.) ; Research Support as Topic/*economics ; United States
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  • 31
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    Plant glutamine synthetase complements a glnA mutation in Escherichia coli (1986)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1986-06-06
    Description: A glutamine synthetase gene from alfalfa (Medicago sativa) has been expressed in Escherichia coli after fusion of bacterial transcription and translation signals to a complete alfalfa glutamine synthetase coding sequence. Synthesis of the alfalfa glutamine synthetase enzyme in Escherichia coli was demonstrated by functional genetic complementation of a glutamine synthetase-deficient mutant and by immunoblotting analysis. These results should facilitate protein engineering and structure-function analysis of the plant enzyme.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉DasSarma, S -- Tischer, E -- Goodman, H M -- New York, N.Y. -- Science. 1986 Jun 6;232(4755):1242-4.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2871626" target="_blank"〉PubMed〈/a〉
    Keywords: Base Sequence ; *DNA, Recombinant ; Escherichia coli/*genetics ; Genes ; Genetic Complementation Test ; Glutamate-Ammonia Ligase/*genetics ; Medicago sativa/*genetics ; Molecular Weight ; Plasmids ; Promoter Regions, Genetic
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  • 32
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    Estrogen-induced factors of breast cancer cells partially replace estrogen to promote tumor growth (1986)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1986-06-20
    Description: The hormone 17 beta-estradiol acts through its receptor system to induce MCF-7 human breast cancer cells to form tumors in athymic mice. In vitro studies have identified the production of estrogen-induced growth factors from MCF-7 cells that may have a role in growth control. These induced growth factors were sufficient to stimulate MCF-7 tumor growth in ovariectomized athymic mice, thus partially replacing estradiol. Growth factors may act as estrogen-induced "second messengers" in estrogen-responsive growth of human breast cancer.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Dickson, R B -- McManaway, M E -- Lippman, M E -- New York, N.Y. -- Science. 1986 Jun 20;232(4757):1540-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3715461" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Breast Neoplasms/*pathology ; Cell Division ; Cell Line ; Culture Media ; Estradiol/*physiology ; Female ; Humans ; Mice ; Mice, Nude ; Neoplasm Transplantation ; Ovariectomy ; Receptors, Estradiol/*physiology ; Receptors, Estrogen/*physiology ; Transplantation, Heterologous
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  • 33
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    Calcium modulation activates Epstein-Barr virus genome in latently infected cells (1986)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1986-06-20
    Description: In many viral infections the host cell carries the viral genome without producing viral particles, a phenomenon known as viral latency. The cellular mechanisms by which viral latency is maintained or viral replication is induced are not known. The modulation of intracellular calcium concentrations by calcium ionophores induced Epstein-Barr viral antigens in lymphoblastoid cell lines that carry the virus. When calcium ionophores were used in conjunction with direct activators of protein kinase C (12-O-tetradecanoyl phorbol-13-acetate and a synthetic diacylglycerol), a greater induction of viral antigens was observed than with either agent alone. Activation of protein kinase C may be required for the expression of the viral genome.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Faggioni, A -- Zompetta, C -- Grimaldi, S -- Barile, G -- Frati, L -- Lazdins, J -- New York, N.Y. -- Science. 1986 Jun 20;232(4757):1554-6.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3012779" target="_blank"〉PubMed〈/a〉
    Keywords: Aminoquinolines ; Burkitt Lymphoma ; Calcimycin/pharmacology ; Calcium/*pharmacology ; Cell Line ; Cell Transformation, Viral/*drug effects ; Culture Media ; Ethers/pharmacology ; Fluorescent Dyes ; Genes, Viral/*drug effects ; Herpesvirus 4, Human/drug effects/*genetics ; Humans ; Ionomycin ; Kinetics ; Tetradecanoylphorbol Acetate/pharmacology
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  • 34
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    Age-dependent changes in proteins of Drosophila melanogaster (1986)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1986-03-07
    Description: Several molecular theories of aging postulate that there are age-dependent changes in gene expression and that these changes contribute to the reduction in the viability of senescent cells. High-resolution, semiautomated, quantitative two-dimensional gel electrophoresis of many soluble proteins was used to test this hypothesis in Drosophila. Two-dimensional protein gel patterns were analyzed for each of three age groups of [(35)S]methionine-labeled adult male Drosophila melanogaster, which, except for their spermatocytes, consist entirely of fixed postmitotic cells. Seven relatively abundant polypeptides expressed in middle-aged (28-day-old) flies were absent in both young(10-day-old) and old (44-day-old) flies. Quantitative analyses of an additional 100 polypeptides were carried out by computer-assisted microdensitometry of fluorograms of the gel preparations. These analyses revealed a significant age-related heterogeneity in the quantitative distribution of radiolabel in these proteins. The data indicate that the qualitative pattern of gene expression is identical in young and old flies, but that profound quantitative changes occur in the expression of proteins during the Drosophila life-span.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Fleming, J E -- Quattrocki, E -- Latter, G -- Miquel, J -- Marcuson, R -- Zuckerkandl, E -- Bensch, K G -- New York, N.Y. -- Science. 1986 Mar 7;231(4742):1157-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3080809" target="_blank"〉PubMed〈/a〉
    Keywords: *Aging ; Animals ; Drosophila melanogaster/*metabolism ; Electrophoresis ; Male ; Molecular Weight ; Proteins/*metabolism
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    Rifkin against the world (1986)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1986-08-15
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉New York, N.Y. -- Science. 1986 Aug 15;233(4765):704-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3461560" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Genetic Engineering ; Government Agencies ; Pseudorabies/prevention & control ; Swine ; Swine Diseases/prevention & control ; United States ; Viral Vaccines
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    Induction of HTLV-III/LAV from a nonvirus-producing T-cell line: implications for latency (1986)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1986-02-07
    Description: When the human T-cell line A3.01 is infected with HTLV-III/LAV, the virus associated with the acquired immune deficiency syndrome (AIDS), most of the cells are killed. However, a small number of cells that lack the Leu-3 surface marker survive. Under normal conditions these surviving cells do not produce virus, nor can they be infected by the virus, but they can be induced to produce virus by treatment with 5-iodo-2'-deoxyuridine. This response can be induced for as long as 3 months after the initial infection, suggesting that the cells may harbor a latent form of HTLV-III/LAV.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Folks, T -- Powell, D M -- Lightfoote, M M -- Benn, S -- Martin, M A -- Fauci, A S -- New York, N.Y. -- Science. 1986 Feb 7;231(4738):600-2.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3003906" target="_blank"〉PubMed〈/a〉
    Keywords: Acquired Immunodeficiency Syndrome/genetics/microbiology ; Cell Line ; Deltaretrovirus/*growth & development ; Humans ; Idoxuridine/pharmacology ; Models, Genetic ; T-Lymphocytes/drug effects/*microbiology ; Time Factors ; *Virus Activation/drug effects
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    Propolypeptide of von Willebrand factor circulates in blood and is identical to von Willebrand antigen II (1986)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1986-05-23
    Description: The generally mild bleeding disorder of von Willebrand disease is associated with abnormalities of two distinct plasma proteins, the large multimeric von Willebrand factor (vWF), which mediates platelet adhesion, and von Willebrand antigen II (vW AgII), which is of unknown function. The two proteins were found to have a common biosynthetic origin in endothelial cells and megakaryocytes, which explains their simultaneous absence in the severe form of this hereditary disease. Shared amino acid sequences from a 100-kilodalton plasma glycoprotein and from vW AgII are identical to amino acid sequences predicted from a complementary DNA clone encoding the 5' end of vWF. In addition, these proteins have identical molecular weights and immunologic cross reactivities. Monoclonal antibodies prepared against both proteins recognize epitopes on the pro-vWF subunit and on a 100-kilodalton protein that are not present on the mature vWF subunit in endothelial cell lysates. In contrast, polyclonal antibodies against vWF recognize both pro-vWF and vWF subunits. Thus, the 100-kilodalton plasma glycoprotein and vW AgII are identical proteins and represent an extremely large propolypeptide that is first cleaved from pro-vWF during intracellular processing and then released into plasma.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Fay, P J -- Kawai, Y -- Wagner, D D -- Ginsburg, D -- Bonthron, D -- Ohlsson-Wilhelm, B M -- Chavin, S I -- Abraham, G N -- Handin, R I -- Orkin, S H -- HL-30616/HL/NHLBI NIH HHS/ -- HL-34050/HL/NHLBI NIH HHS/ -- HL-34787/HL/NHLBI NIH HHS/ -- etc. -- New York, N.Y. -- Science. 1986 May 23;232(4753):995-8.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3486471" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Antigens/immunology/*metabolism ; Blood Proteins/immunology/metabolism ; Endothelium/metabolism ; Humans ; Molecular Weight ; Peptide Fragments/analysis ; Protein Precursors/metabolism ; Protein Processing, Post-Translational ; von Willebrand Factor/*metabolism
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    Inhibition of development of exoerythrocytic forms of malaria parasites by gamma-interferon (1986)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1986-05-16
    Description: A specific DNA probe was used to study the effect of recombinant rat, mouse, and human gamma-interferon (gamma-IFN) on the course of sporozoite-induced malaria infections. In mice and rats infected with sporozoites of Plasmodium berghei, mouse and rat gamma-IFN's strongly inhibited the development of the exoerythrocytic forms in the liver liver cells of the hosts, but not the development of the erythrocytic stages. The degree of inhibition of the exoerythrocytic forms was proportional to the dose of gamma-IFN administered, but was independent of the number of sporozoites used for challenge. A 30 percent reduction in the development of exoerythrocytic forms in rat liver was achieved when 150 units (about 15 nanograms of protein) of rat gamma-IFN were injected a few hours before sporozoite challenge; the reduction was 90 percent or more with higher doses of gamma-IFN. The effect was less pronounced if the gamma-IFN was administered 18 hours before or a few hours after challenge. Human gamma-IFN also diminished the parasitemia in chimpanzees infected with sporozoites of the human malaria parasite Plasmodium vivax. The target of gamma-IFN activity may be the infected hepatocytes themselves, as shown by in vitro experiments in which small doses of the human lymphokine inhibited the development of exoerythrocytic forms of Plasmodium berghei in a human hepatoma cell line. These results suggest that immunologically induced interferon may be involved in controlling malaria infection under natural conditions.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ferreira, A -- Schofield, L -- Enea, V -- Schellekens, H -- van der Meide, P -- Collins, W E -- Nussenzweig, R S -- Nussenzweig, V -- New York, N.Y. -- Science. 1986 May 16;232(4752):881-4.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3085218" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Line ; Humans ; Interferon-gamma/pharmacology/*therapeutic use ; Liver/cytology ; Malaria/*drug therapy ; Mice ; Pan troglodytes ; Plasmodium berghei/drug effects ; Plasmodium vivax/drug effects ; Toxoplasma/drug effects
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    ras-transformed cells: altered levels of phosphatidylinositol-4,5-bisphosphate and catabolites (1986)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1986-01-24
    Description: Steady-state cellular levels of phosphatidylinositol-4,5-bisphosphate (PIP2), 1,2-diacylglycerol (DAG), and inositol phosphates have been measured in two different fibroblast cell lines (NIH 3T3 and NRK cells) before and after transformation with three different ras genes. At high cell density the ratio of DAG to PIP2 was 2.5- to 3-fold higher in the ras-transformed cells than in their untransformed counterparts. The sum of the water-soluble breakdown products of the polyphosphoinositides, inositol-1,4-bisphosphate and inositol-1,4,5-trisphosphate, was also elevated in ras-transformed NRK cells compared with nontransformed NRK cells. These findings suggest that the ras (p21) protein may act by affecting these levels, possibly as a regulatory element in the PIP2 breakdown pathway.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Fleischman, L F -- Chahwala, S B -- Cantley, L -- GM 36133/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1986 Jan 24;231(4736):407-10.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3001936" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Line ; Cell Transformation, Neoplastic/*analysis ; Diglycerides/analysis ; Humans ; Inositol 1,4,5-Trisphosphate ; Inositol Phosphates/analysis ; *Oncogenes ; Phosphatidylinositol 4,5-Diphosphate ; Phosphatidylinositols/*analysis ; Rats
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    Neuronal properties of clonal hybrid cell lines derived from central cholinergic neurons (1986)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1986-12-05
    Description: Clonal cell lines derived from specific types of central neurons can be used to identify and characterize properties specific to those neurons. With somatic cell fusion techniques, nine clonal hybrid cell lines have been developed from the septal region of the mouse basal forebrain. Two lines express characteristics typical of cholinergic neurons--choline acetyltransferase activity and immunoreactivity, neurite formation with neurofilament protein immunoreactivity, and aggregation in rotation-mediated cell culture. These cell lines may be useful for studying the trophic interactions that support the development and maintenance of central cholinergic connections.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hammond, D N -- Wainer, B H -- Tonsgard, J H -- Heller, A -- HD04583/HD/NICHD NIH HHS/ -- NS07195/NS/NINDS NIH HHS/ -- NS17661/NS/NINDS NIH HHS/ -- etc. -- New York, N.Y. -- Science. 1986 Dec 5;234(4781):1237-40.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3775382" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Brain/cytology ; Cell Line ; Choline O-Acetyltransferase/metabolism ; Cholinergic Fibers/*physiology ; Clone Cells ; Hybrid Cells ; Mice ; Mice, Inbred C57BL ; Neuroblastoma/metabolism ; Neurons/*physiology
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    Induction of macrophage tumoricidal activity by granulocyte-macrophage colony-stimulating factor (1986)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1986-04-25
    Description: Monocytes are a subpopulation of peripheral blood leukocytes, which when appropriately activated by the regulatory hormones of the immune system, are capable of becoming macrophages--potent effector cells for immune response to tumors and parasites. A complementary DNA for the T lymphocyte-derived lymphokine, granulocyte-macrophage colony-stimulating factor (GM-CSF), has been cloned, and recombinant GM-CSF protein has been expressed in yeast and purified to homogeneity. This purified human recombinant GM-CSF stimulated peripheral blood monocytes in vitro to become cytotoxic for the malignant melanoma cell line A375. Another T cell-derived lymphokine, gamma-interferon (IFN-gamma), also stimulated peripheral blood monocytes to become tumoricidal against this malignant cell line. When IFN-gamma activates monocytes to become tumoricidal, additional stimulation by exogenously added lipopolysaccharide is required. No such exogenous signals were required for the activation of monocytes by GM-CSF.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Grabstein, K H -- Urdal, D L -- Tushinski, R J -- Mochizuki, D Y -- Price, V L -- Cantrell, M A -- Gillis, S -- Conlon, P J -- New York, N.Y. -- Science. 1986 Apr 25;232(4749):506-8.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3083507" target="_blank"〉PubMed〈/a〉
    Keywords: Cell Line ; Colony-Stimulating Factors/biosynthesis/*pharmacology ; Cytotoxicity, Immunologic/*drug effects ; Humans ; Interferon-gamma/biosynthesis/pharmacology ; Macrophages/*drug effects ; Melanoma/immunology ; Monocytes/drug effects ; Neoplasms/*immunology ; Recombinant Proteins/biosynthesis/pharmacology
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    Ultraviolet irradiation transforms C3H10T1/2 cells to a unique, suppressible phenotype (1986)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1986-12-12
    Description: Transformation of C3H10T1/2 cells by exposure to ultraviolet (UV) irradiation followed by tetradecanoyl phorbol acetate (TPA) has been used as a model of two-stage carcinogenesis. However, cells cloned from UV-TPA-induced foci (UV-TDTx cells) had a unique phenotype. Cloned UV-TDTx cells appeared transformed in pure culture but were unable to form foci when cocultured with C3H10T1/2 cells. However, in the presence of TPA, UV-TDTx cells form foci in mixed culture with C3H10T1/2 cells. This phenotype was the only one observed for UV-TPA transformants. These data suggest that communal suppression of cell division is a discrete phenomenon that must be overcome as one step in the multistage process of transformation, and this protocol permits the routine isolation of transformed cells responsive to density-dependent growth suppression.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Herschman, H R -- Brankow, D W -- New York, N.Y. -- Science. 1986 Dec 12;234(4782):1385-8.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3787250" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Division ; Cell Line ; *Cell Transformation, Neoplastic/drug effects/radiation effects ; Clone Cells ; Mice ; Mice, Inbred C3H ; Phenotype ; Tetradecanoylphorbol Acetate/pharmacology ; *Ultraviolet Rays
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    Thyroid hormone induction of an autocrine growth factor secreted by pituitary tumor cells (1986)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1986-12-19
    Description: Thyroid hormones stimulate the rate of cell division by poorly understood mechanisms. The possibility that thyroid hormones increase cell growth by stimulating secretion of a growth factor was investigated. Thyroid hormones are nearly an absolute requirement for the division of GH4C1 rat pituitary tumor cells plated at low density. Conditioned media from cells grown with or without L-triiodothyronine (T3) were treated with an ion exchange resin to remove T3 and were tested for ability to stimulate the division of GH4C1 cells. Conditioned medium from T3-treated cells was as active as thyroid hormone at promoting GH4C1 cell growth but did not elicit other thyroid hormone responses, induction of growth hormone, and down-regulation of thyrotropin-releasing hormone receptors, as effectively as T3 did. A substance or substances associated with T3-induced growth stimulatory activity migrated at high molecular weight at neutral pH and was different from known growth-promoting hormones induced by T3. The results demonstrate that thyroid hormones stimulate the division of GH4C1 pituitary cells by stimulating the secretion of an autocrine growth factor.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hinkle, P M -- Kinsella, P A -- AM 32847/AM/NIADDK NIH HHS/ -- AM/NS 00827/AM/NIADDK NIH HHS/ -- CA 11198/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1986 Dec 19;234(4783):1549-52.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3097825" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Division ; Cell Line ; Epidermal Growth Factor/metabolism ; Growth Hormone/metabolism ; Growth Substances/*secretion ; Nerve Growth Factors/metabolism ; Pituitary Neoplasms/*metabolism/pathology ; Rats ; Thyrotropin-Releasing Hormone/metabolism ; Triiodothyronine/*pharmacology
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    NIMH review of fraud charge moves slowly (1986)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1986-12-19
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Holden, C -- New York, N.Y. -- Science. 1986 Dec 19;234(4783):1488-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2878494" target="_blank"〉PubMed〈/a〉
    Keywords: Antipsychotic Agents/*adverse effects/therapeutic use ; *Biomedical Research ; *Crime ; Dyskinesia, Drug-Induced ; Federal Government ; *Fraud ; Government Regulation ; Humans ; Intellectual Disability/*psychology ; National Institute of Mental Health (U.S.) ; *Research ; Risk Assessment ; United States
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    Regulating software for medical devices (1986)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1986-10-03
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Holden, C -- New York, N.Y. -- Science. 1986 Oct 3;234(4772):20.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3755844" target="_blank"〉PubMed〈/a〉
    Keywords: Computers/*legislation & jurisprudence ; *Equipment and Supplies ; Humans ; Software/*legislation & jurisprudence ; United States ; *United States Food and Drug Administration
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    Growing focus on criminal careers (1986)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1986-09-26
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Holden, C -- New York, N.Y. -- Science. 1986 Sep 26;233(4771):1377-8.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3749882" target="_blank"〉PubMed〈/a〉
    Keywords: Adolescent ; *Adolescent Behavior ; Adult ; *Crime ; Government Agencies ; Humans ; Middle Aged ; United States
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    Researchers grapple with problems of updating classic psychological test (1986)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1986-09-19
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Holden, C -- New York, N.Y. -- Science. 1986 Sep 19;233(4770):1249-51.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3749875" target="_blank"〉PubMed〈/a〉
    Keywords: Adolescent ; Adult ; Female ; Humans ; *Mmpi ; Male ; United States
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    On the origin of bacterial resistance to penicillin: comparison of a beta-lactamase and a penicillin target (1986)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1986-03-21
    Description: Structural data are now available for comparing a penicillin target enzyme, the D-alanyl-D-alanine-peptidase from Streptomyces R61, with a penicillin-hydrolyzing enzyme, the beta-lactamase from Bacillus licheniformis 749/C. Although the two enzymes have distinct catalytic properties and lack relatedness in their overall amino acid sequences except near the active-site serine, the significant similarity found by x-ray crystallography in the spatial arrangement of the elements of secondary structure provides strong support for earlier hypotheses that beta-lactamases arose from penicillin-sensitive D-alanyl-D-alanine-peptidases involved in bacterial wall peptidoglycan metabolism.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kelly, J A -- Dideberg, O -- Charlier, P -- Wery, J P -- Libert, M -- Moews, P C -- Knox, J R -- Duez, C -- Fraipont, C -- Joris, B -- 10RRO1955-01/RR/NCRR NIH HHS/ -- AI-10925/AI/NIAID NIH HHS/ -- AI-16702/AI/NIAID NIH HHS/ -- New York, N.Y. -- Science. 1986 Mar 21;231(4744):1429-31.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3082007" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Bacillus cereus/enzymology ; Binding Sites ; Carboxypeptidases/genetics/*metabolism ; Molecular Weight ; *Penicillin Resistance ; Protein Conformation ; *Serine-Type D-Ala-D-Ala Carboxypeptidase ; Streptomyces/enzymology ; X-Ray Diffraction ; beta-Lactamases/genetics/*metabolism
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    Homelessness: experts differ on root causes (1986)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1986-05-02
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Holden, C -- New York, N.Y. -- Science. 1986 May 2;232(4750):569-70.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3961497" target="_blank"〉PubMed〈/a〉
    Keywords: Child ; Family ; Female ; *Homeless Persons/psychology ; Humans ; Mental Disorders/psychology ; Mothers ; United States
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    High court says no to administration's Baby Doe rules (1986)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1986-06-27
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Holden, C -- New York, N.Y. -- Science. 1986 Jun 27;232(4758):1595-6.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3715464" target="_blank"〉PubMed〈/a〉
    Keywords: Congenital Abnormalities/*therapy ; Ethics, Medical ; Humans ; United States ; United States Dept. of Health and Human Services
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Antiserum to a synthetic peptide recognizes the HTLV-III envelope glycoprotein (1986)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1986-03-28
    Description: In a study performed to determine which regions of the human T-cell lymphotrophic virus type III (HTLV-III) may represent vaccine candidates to prevent the acquired immune deficiency syndrome (AIDS), a synthetic peptide corresponding to amino acid sequence 735 to 752 of the precursor envelope glycoprotein of HTLV-III was used to immunize rabbits. The resulting rabbit antiserum to the synthetic peptide specifically recognized the precursor envelope glycoprotein (gp160) of HTLV-III. Human sera positive for antibody to HTLV-III reacted with this peptide. These findings indicate that synthetic peptides can be used to induce an immune response directed against a native envelope glycoprotein epitope of HTLV-III. The data are discussed in terms of using synthetic peptides to identify antigenic determinants involved in the induction of protective immunity and possibly as vaccine candidates against the etiologic agent of AIDS.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kennedy, R C -- Henkel, R D -- Pauletti, D -- Allan, J S -- Lee, T H -- Essex, M -- Dreesman, G R -- N0I-HL-23505/HL/NHLBI NIH HHS/ -- R23-AI-22307-01/AI/NIAID NIH HHS/ -- New York, N.Y. -- Science. 1986 Mar 28;231(4745):1556-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3006246" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antibodies, Viral/*immunology ; Antibody Specificity ; Antigens, Viral/*immunology ; Deltaretrovirus/*immunology ; Humans ; Molecular Weight ; Peptides/chemical synthesis/*immunology ; Rabbits ; Solubility ; Viral Envelope Proteins/*immunology
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Thyrotropin-releasing hormone precursor: characterization in rat brain (1986)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1986-01-10
    Description: To characterize the precursor of mammalian thyrotropin-releasing hormone (TRH), a rat hypothalamic lambda gt11 library was screened with an antiserum directed against a synthetic peptide representing a portion of the rat TRH prohormone. The nucleotide sequence of the immunopositive complementary DNA encoded a protein with a molecular weight of 29,247. This protein contained five copies of the sequence Gln-His-Pro-Gly flanked by paired basic amino acids and could therefore generate five TRH molecules. In addition, potential cleavage sites in the TRH precursor could produce other non-TRH peptides, which may be secreted. In situ hybridization to rat brain sections demonstrated that the pre-proTRH complementary DNA detected neurons concentrated in the parvocellular division of the paraventricular nucleus, the same location as cells detected by immunohistochemistry. These findings indicate that mammalian TRH arises by posttranslational processing of a larger precursor protein. The ability of the TRH prohormone to generate multiple copies of the bioactive peptide may be an important mechanism in the amplification of hormone production.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lechan, R M -- Wu, P -- Jackson, I M -- Wolf, H -- Cooperman, S -- Mandel, G -- Goodman, R H -- AM 34540/AM/NIADDK NIH HHS/ -- CA 37370/CA/NCI NIH HHS/ -- P30 AM 39428/AM/NIADDK NIH HHS/ -- New York, N.Y. -- Science. 1986 Jan 10;231(4734):159-61.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3079917" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Brain/*physiology ; DNA/genetics ; Hypothalamus/physiology ; Molecular Weight ; Protein Precursors/genetics/*physiology ; Pyrrolidonecarboxylic Acid/analogs & derivatives ; Rats ; Rats, Inbred Strains ; Thyrotropin-Releasing Hormone/genetics/*physiology
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    Pertussis toxin inhibition of B cell and macrophage responses to bacterial lipopolysaccharide (1986)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1986-11-07
    Description: Lipopolysaccharide, a component of the outer membrane of Gram-negative bacteria, activates B lymphocytes and macrophages. Pertussis toxin, which inactivates several members of the G protein family of signaling components, including Gi and transducin, was found to inhibit the lipopolysaccharide-induced responses of the WEHI-231 B lymphoma cell line and the P388D1 macrophage cell line. These results, combined with the demonstration that lipopolysaccharide inhibits adenylate cyclase activity in P388D1 cells, strongly argues that lipopolysaccharide activation of cells is mediated by a Gi-like receptor-effector coupling protein.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Jakway, J P -- DeFranco, A L -- AI-20038/AI/NIAID NIH HHS/ -- New York, N.Y. -- Science. 1986 Nov 7;234(4777):743-6.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3095921" target="_blank"〉PubMed〈/a〉
    Keywords: *Adenylate Cyclase Toxin ; Antibodies, Anti-Idiotypic/immunology ; B-Lymphocytes/*physiology ; Cell Line ; Dose-Response Relationship, Drug ; Escherichia coli ; GTP-Binding Proteins/*physiology ; Immunoglobulin M/immunology ; Interleukin-1/metabolism ; Lipopolysaccharides/*antagonists & inhibitors/immunology ; Lymphocyte Activation/drug effects ; Macrophage Activation/drug effects ; Macrophages/*physiology ; *Pertussis Toxin ; Virulence Factors, Bordetella/*pharmacology
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Unexpected size pattern in bacterial proteins (1986)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1986-05-16
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lewin, R -- New York, N.Y. -- Science. 1986 May 16;232(4752):825-6.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3518057" target="_blank"〉PubMed〈/a〉
    Keywords: *Bacterial Proteins ; Escherichia coli/metabolism ; Molecular Weight
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    Interferon inhibits the establishment of competence in Go/S-phase transition (1986)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1986-07-18
    Description: Addition of mouse interferon-alpha/beta (IFN) to confluent, quiescent BALB/c 3T3 (clone A31) mouse fibroblasts resulted in a block or delay in serum-induced activation of the cell cycle. It was necessary to add IFN within 6 hours after serum stimulation to inhibit nuclear labeling with [3H]thymidine. This is consistent with the time required for platelet-derived growth factor (PDGF) to induce cells to become competent to respond to additional growth factors present in platelet-poor plasma. Simultaneous addition of IFN with PDGF inhibited the PDGF-induced synthesis of a 29-kilodalton and a 35-kilodalton protein that normally occurs within 1 hour after PDGF addition. IFN also suppressed the general increase in protein synthesis that occurs by the fifth hour after PDGF addition. These results show that IFN antagonizes the action of PDGF, thereby interfering with the activation of Go cells for G1 traverse and S-phase entry.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lin, S L -- Kikuchi, T -- Pledger, W J -- Tamm, I -- CA 18213/CA/NCI NIH HHS/ -- CA 18608/CA/NCI NIH HHS/ -- CA 42713/CA/NCI NIH HHS/ -- etc. -- New York, N.Y. -- Science. 1986 Jul 18;233(4761):356-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3726533" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Blood ; Cell Cycle/*drug effects ; Electrophoresis, Polyacrylamide Gel ; Interferon Type I/*pharmacology ; Interphase ; Mice ; Mice, Inbred BALB C ; Molecular Weight ; Platelet-Derived Growth Factor/pharmacology ; Protein Biosynthesis ; Time Factors
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    Diet advice, with a grain of salt and a large helping of pepper (1986)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1986-02-07
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Marshall, E -- New York, N.Y. -- Science. 1986 Feb 7;231(4738):537-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3003903" target="_blank"〉PubMed〈/a〉
    Keywords: Cholesterol/adverse effects ; *Diet ; Dietary Fats/adverse effects ; Dietary Fiber/administration & dosage ; Food-Processing Industry ; Humans ; National Institutes of Health (U.S.) ; Nutritional Sciences/education ; United States
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    The 1986 Nobel Prize for physiology or medicine (1986)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1986-10-31
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Marx, J L -- New York, N.Y. -- Science. 1986 Oct 31;234(4776):543-4.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3532323" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Epidermal Growth Factor ; History, 20th Century ; Italy ; Mice ; *Nerve Growth Factors ; *Nobel Prize ; United States
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    The slow, insidious natures of the HTLV's (1986)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1986-01-31
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Marx, J L -- New York, N.Y. -- Science. 1986 Jan 31;231(4737):450-1.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3001937" target="_blank"〉PubMed〈/a〉
    Keywords: Acquired Immunodeficiency Syndrome/*microbiology/transmission ; Deltaretrovirus/*pathogenicity ; Female ; Humans ; Male ; National Institutes of Health (U.S.) ; Sex ; United States
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    Age and infertility (1986)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1986-09-26
    Description: Direct evidence on age patterns of infecundity and sterility cannot be obtained from contemporary populations because such large fractions of couples use contraception or have been sterilized. Instead, historical data are exploited to yield upper bounds applicable to contemporary populations on the proportions sterile at each age. Examination of recent changes in sexual behavior that may increase infecundity indicates that sexually transmitted infections, the prime candidate for hypothesized rises in infertility, are unlikely to have added to infecundity to any great extent. These results imply that a woman in a monogamous union faces only moderate increases in the probability of becoming sterile (or infecund) until her late thirties. Nevertheless, it appears that recent changes in reproductive behavior were guaranteed to result in the perception that infecundity is on the rise.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Menken, J -- Trussell, J -- Larsen, U -- HD11720/HD/NICHD NIH HHS/ -- New York, N.Y. -- Science. 1986 Sep 26;233(4771):1389-94.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3755843" target="_blank"〉PubMed〈/a〉
    Keywords: Adolescent ; Adult ; Age Factors ; *Aging ; Female ; *Fertility ; Humans ; Infertility, Female/*epidemiology ; Infertility, Male/*epidemiology ; Male ; Marriage ; Middle Aged ; United States
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    Identification of a T helper cell-derived lymphokine that activates resting T lymphocytes (1986)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1986-03-07
    Description: A novel lymphokine with apparent molecular size of 10 to 12 kilodaltons is secreted from helper T cell clones within hours after cross-linking their T cell antigen-MHC (major histocompatibility complex) receptors (T3-Ti). This lymphokine, termed interleukin-4A (IL-4A), stimulates resting lymphocytes by binding to a surface component (or components) of the alternative T11 pathway and subsequently by inducing interleukin-2 (IL-2) receptors. The activation process is neither dependent on antigen specificities of the recruited population or the presence of macrophages. It appears, therefore, that IL-4A is a mediator involved in amplifying the T cell immune response.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Milanese, C -- Richardson, N E -- Reinherz, E L -- AI 21226/AI/NIAID NIH HHS/ -- CA 40134/CA/NCI NIH HHS/ -- R0I AI 19807/AI/NIAID NIH HHS/ -- New York, N.Y. -- Science. 1986 Mar 7;231(4742):1118-22.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2935936" target="_blank"〉PubMed〈/a〉
    Keywords: Antibodies, Monoclonal ; Clone Cells ; Humans ; Lymphocyte Activation ; Lymphokines/*immunology ; Molecular Weight ; Receptors, Immunologic/analysis ; Receptors, Interleukin-2 ; T-Lymphocytes/*immunology ; T-Lymphocytes, Helper-Inducer/*metabolism
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    A macrophage-derived factor required by plasmacytomas for survival and proliferation in vitro (1986)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1986-08-01
    Description: Plasmacytoma (PCT) cell lines dependent for proliferation and survival on a factor elaborated by the murine macrophage cell line, P388D1, were established in vitro. Adherent peritoneal cells induced by pristane produced 50-fold greater amounts of this activity in vitro than did resident cells. The molecules responsible for plasmacytoma growth were distinct from a number of characterized factors including interleukin-1, -2, and -3, macrophage colony-stimulating factor, B-cell stimulatory factor-1, B-cell growth factor II, epidermal growth factor, transforming growth factor-beta, and gamma- and beta-interferon, none of which were able to support the growth of the factor-dependent PCT cell lines. These results suggest that PCT growth factor may be a novel factor that has not been previously characterized and, further, that its production is associated with the pristane-induced, chronic peritoneal inflammatory response that precedes plasmacytoma formation.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Nordan, R P -- Potter, M -- New York, N.Y. -- Science. 1986 Aug 1;233(4763):566-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3726549" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Cell Division/drug effects ; Cell Line ; *Cell Survival/drug effects ; Growth Substances/*isolation & purification/pharmacology/physiology ; Humans ; In Vitro Techniques ; Macrophages/*physiology ; Mice ; Plasmacytoma/*physiopathology
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Military AIDS testing offers research bonus (1986)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1986-05-16
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Norman, C -- New York, N.Y. -- Science. 1986 May 16;232(4752):818-20.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3704628" target="_blank"〉PubMed〈/a〉
    Keywords: *Acquired Immunodeficiency Syndrome/transmission ; Female ; Humans ; Male ; Mass Screening ; *Military Medicine ; United States
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    A new twist in AIDS patent fight (1986)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1986-04-18
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Norman, C -- New York, N.Y. -- Science. 1986 Apr 18;232(4748):308-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3008327" target="_blank"〉PubMed〈/a〉
    Keywords: Acquired Immunodeficiency Syndrome/*microbiology ; *Deltaretrovirus/ultrastructure ; France ; Humans ; Microscopy, Electron ; *Patents as Topic ; United States
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    A plea from academia (1986)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1986-01-31
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Norman, C -- New York, N.Y. -- Science. 1986 Jan 31;231(4737):447.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3941908" target="_blank"〉PubMed〈/a〉
    Keywords: National Institutes of Health (U.S.) ; Research Support as Topic/*economics ; United States ; Universities/*economics
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    Research on mental illness and addictive disorders (1986)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1986-04-18
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pincus, H A -- New York, N.Y. -- Science. 1986 Apr 18;232(4748):307.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3008326" target="_blank"〉PubMed〈/a〉
    Keywords: *Mental Disorders ; National Institute of Mental Health (U.S.) ; National Institutes of Health (U.S.) ; Research ; *Substance-Related Disorders ; United States ; United States Substance Abuse and Mental Health Services Administration
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  • 66
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    HTLV-III/LAV-neutralizing antibodies to an E. coli-produced fragment of the virus envelope (1986)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1986-12-12
    Description: Immunization with either an Escherichia coli recombinant segment of the human T-cell lymphotropic virus (HTLV-III/LAV) envelope protein (gp 120) or with deglycosylated gp 120 envelope protein produced antibodies that neutralize HTLV-III/LAV infection in vitro. Virus neutralization titers of these antisera were equivalent to those obtained with purified native gp120 as immunogen. This localizes at least one class of neutralizing epitopes to the carboxyl-terminal half of the molecule. In addition, native gp120 prevented HTLV-III/LAV--mediated cell fusion, whereas the recombinant gp120 fragment did not. This shows that although glycosylation is not required for induction of neutralizing antibodies, it may be important for interaction with CD4, the virus receptor. A segment of the HTLV-III/LAV envelope produced in E. coli may be an important ingredient of a vaccine for acquired immune deficiency syndrome.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Putney, S D -- Matthews, T J -- Robey, W G -- Lynn, D L -- Robert-Guroff, M -- Mueller, W T -- Langlois, A J -- Ghrayeb, J -- Petteway, S R Jr -- Weinhold, K J -- 1PO1-CA43447-01/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1986 Dec 12;234(4782):1392-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2431482" target="_blank"〉PubMed〈/a〉
    Keywords: Antibodies, Viral/*immunology ; Electrophoresis, Polyacrylamide Gel ; Enzyme-Linked Immunosorbent Assay ; Epitopes/analysis ; Escherichia coli/*genetics ; HIV Antibodies ; Humans ; Immunization ; Molecular Weight ; Receptors, Virus/metabolism ; Recombinant Proteins/immunology ; Viral Envelope Proteins/genetics/*immunology
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    Soviets presented plans for Chernobyl study (1986)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1986-08-01
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kolata, G -- New York, N.Y. -- Science. 1986 Aug 1;233(4763):513-4.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3523755" target="_blank"〉PubMed〈/a〉
    Keywords: *Accidents ; Bone Marrow Transplantation ; Ethics Committees, Clinical ; Ethics Committees, Research ; Federal Government ; *Government Regulation ; Humans ; International Cooperation ; Internationality ; National Institutes of Health (U.S.) ; *Nuclear Reactors ; Radiation Injuries/*therapy ; Ukraine ; United States
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    U.S. agencies may be shut out of Chernobyl follow-up (1986)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1986-07-11
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kolata, G -- New York, N.Y. -- Science. 1986 Jul 11;233(4760):147.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3726525" target="_blank"〉PubMed〈/a〉
    Keywords: *Accidents ; Government Agencies ; Humans ; *Nuclear Reactors ; Radiation Injuries/etiology ; Ukraine ; United States
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    New blood test raises thorny issues (1986)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1986-07-11
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kolata, G -- New York, N.Y. -- Science. 1986 Jul 11;233(4760):149-50.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3088724" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Blood Banks ; Blood Donors ; Hepatitis C/blood/*prevention & control ; Hepatitis, Viral, Human/*prevention & control ; Humans ; Pan troglodytes ; United States
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Hu-ets-1 and Hu-ets-2 genes are transposed in acute leukemias with (4;11) and (8;21) translocations (1986)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1986-01-24
    Description: Human probes identifying the cellular homologs of the v-ets gene, Hu-ets-1 and Hu-ets-2, and two panels of rodent-human cell hybrids were used to study specific translocations occurring in acute leukemias. The human ets-1 gene was found to translocate from chromosome 11 to 4 in the t(4;11)(q21;23), a translocation characteristic of a subtype of leukemia that represents the expansion of a myeloid/lymphoid precursor cell. Similarly, the human ets-2 gene was found to translocate from chromosome 21 to chromosome 8 in the t(8;21)(q22;q22), a nonrandom translocation commonly found in patients with acute myeloid leukemia with morphology M2 (AML-M2). Both translocations are associated with expression different from the expression in normal lymphoid cells of ets genes, raising the possibility that these genes play a role in the pathogenesis of these leukemias.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sacchi, N -- Watson, D K -- Guerts van Kessel, A H -- Hagemeijer, A -- Kersey, J -- Drabkin, H D -- Patterson, D -- Papas, T S -- AG00029/AG/NIA NIH HHS/ -- HD17449/HD/NICHD NIH HHS/ -- New York, N.Y. -- Science. 1986 Jan 24;231(4736):379-82.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3941901" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Line ; Chromosomes, Human, 21-22 and Y ; Chromosomes, Human, 6-12 and X ; Cricetinae ; Cricetulus ; Humans ; Hybrid Cells ; Leukemia/*genetics ; Nucleic Acid Hybridization ; *Oncogenes ; *Translocation, Genetic
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    Protein-tyrosine kinase activity in Saccharomyces cerevisiae (1986)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1986-01-24
    Description: Saccharomyces cerevisiae was examined for tyrosine kinase activity in vitro because this organism offers molecular and genetic approaches for analyzing the role of tyrosine phosphorylation in cellular growth control that are unavailable in higher eukaryotes. Yeast extracts phosphorylated a random copolymer (glutamic acid:tyrosine, 80:20) at tyrosine in a reaction that was linear with respect to time and protein concentration. In the absence of added copolymer, phosphotyrosine was 0.1 percent of the total phosphoamino acids labeled with [gamma-32P]adenosine triphosphate in endogenous yeast proteins. However, specific activities of these reactions were low (approximately 1 percent of those in extracts of chick embryo fibroblasts). Lack of significant incorporation of label from [alpha-32P]adenosine triphosphate into the copolymer or endogenous yeast proteins demonstrated that nucleotide interconversion, adenylylation, and subsequent hydrolysis could not account for the generation of phosphotyrosine observed.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Schieven, G -- Thorner, J -- Martin, G S -- CA17546/CA/NCI NIH HHS/ -- ES07075/ES/NIEHS NIH HHS/ -- GM21841/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1986 Jan 24;231(4736):390-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2417318" target="_blank"〉PubMed〈/a〉
    Keywords: Kinetics ; Peptides/metabolism ; Phosphorylation ; Phosphotyrosine ; Protein-Tyrosine Kinases/*metabolism ; Saccharomyces cerevisiae/*enzymology/metabolism ; Tyrosine/analogs & derivatives/metabolism
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  • 72
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    Human melanoma proteoglycan: expression in hybrids controlled by intrinsic and extrinsic signals (1986)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1986-03-14
    Description: Human malignant melanoma cells express specific chondroitin sulfate proteoglycans (mel-CSPG) on the surface, both in vivo and in vitro. Melanocytes in normal skin show no detectable mel-CSPG but can be induced to express the antigen when cultured in the presence of cholera toxin and the tumor promoter 12-O-tetradecanoylphorbol-13-acetate. Most other cell types do not express mel-CSPG either in vivo or in vitro. A study was designed to examine regulatory signals controlling mel-CSPG expression. The gene encoding mel-CSPG was mapped to human chromosome 15, and this chromosome was introduced into rodent cells derived from distinct differentiation lineages. Three types of mel-CSPG--expressing hybrids were found: (i) hybrids derived from human melanomas; (ii) hybrids derived from human cells that do not express mel-CSPG; and (iii) hybrids derived from human cells expressing mel-CSPG that are antigen-negative but that are induced to express mel-CSPG when cultured on extracellular matrix instead of plastic surfaces. Thus, mel-CSPG expression can be controlled both through intrinsic signals, provided by the differentiation program of the rodent fusion partner, and through extrinsic signals, provided by specific cell-matrix interactions.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Rettig, W J -- Real, F X -- Spengler, B A -- Biedler, J L -- Old, L J -- CA-08748/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1986 Mar 14;231(4743):1281-4.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3633135" target="_blank"〉PubMed〈/a〉
    Keywords: Aggrecans ; Animals ; Antibodies, Monoclonal ; Cell Line ; Cholera Toxin/pharmacology ; Chromosome Mapping ; Chromosomes, Human, 13-15 ; Cricetinae ; Cricetulus ; *Extracellular Matrix Proteins ; Gene Expression Regulation/drug effects ; Glycoproteins/*biosynthesis/genetics ; Humans ; Hybrid Cells/drug effects/*metabolism ; Lectins, C-Type ; Lymphocytes/metabolism ; Melanocytes/drug effects/metabolism ; Melanoma/*metabolism ; Mice ; Neoplasm Proteins/*biosynthesis/genetics ; Neuroblastoma/metabolism ; *Proteoglycans ; Rats ; Tetradecanoylphorbol Acetate/pharmacology
    Print ISSN: 0036-8075
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    The E5 transforming gene of bovine papillomavirus encodes a small, hydrophobic polypeptide (1986)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1986-07-25
    Description: Bovine papillomavirus (BPV-1) contains two independent transforming genes that have been mapped to the E5 and E6 open reading frames (ORF's). The E5 transforming protein was identified by means of an antiserum against a synthetic peptide corresponding to the 20 COOH-terminal amino acids of the E5 ORF. The E5 polypeptide is the smallest viral transforming protein yet characterized; it had an apparent size of 7 kilodaltons. The transforming polypeptide is encoded entirely within the second half of the E5 ORF and its predicted amino acid composition is very unusual; 68% of the amino acids are strongly hydrophobic and 34% are leucine. Cell fractionation studies localized this polypeptide predominantly to cellular membranes.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Schlegel, R -- Wade-Glass, M -- Rabson, M S -- Yang, Y C -- New York, N.Y. -- Science. 1986 Jul 25;233(4762):464-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3014660" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Bovine papillomavirus 1/*genetics ; Cell Line ; Cell Transformation, Viral ; *Genes, Viral ; Mice ; Oncogene Proteins, Viral/*genetics ; Papillomaviridae/*genetics
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    Studies of the human c-myb gene and its product in human acute leukemias (1986)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1986-07-18
    Description: The myb gene is the transforming oncogene of the avian myeloblastosis virus (AMV); its normal cellular homolog, c-myb, is conserved across a broad span of evolution. In humans, c-myb is expressed in malignant hematopoietic cell lines and in primary hematopoietic tumors. Partial complementary DNA clones were generated from blast cells of patients with acute myelogenous leukemia. The sequences of the clones were compared to the c-myb of other species, as well as the v-myb of AMV. In addition, the carboxyl terminal region of human c-myb was placed in an expression vector to obtain protein for the generation of antiserum, which was used to identify the human c-myb gene product. Like v-myb, this protein was found within the nucleus of leukemic cells where it was associated with the nuclear matrix. These studies provide further evidence that c-myb might be involved in human leukemia.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Slamon, D J -- Boone, T C -- Murdock, D C -- Keith, D E -- Press, M F -- Larson, R A -- Souza, L M -- CA36827/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1986 Jul 18;233(4761):347-51.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3014652" target="_blank"〉PubMed〈/a〉
    Keywords: *Aspartate Carbamoyltransferase ; Avian Leukosis Virus/*genetics ; Avian Myeloblastosis Virus/*genetics ; Base Sequence ; *Carbamoyl-Phosphate Synthase (Glutamine-Hydrolyzing) ; Cell Line ; Cloning, Molecular ; DNA/analysis ; DNA Restriction Enzymes/metabolism ; *Dihydroorotase ; Escherichia coli/genetics ; Hematopoietic Stem Cells/microbiology ; Humans ; Leukemia, Myeloid, Acute/*genetics ; Molecular Weight ; *Multienzyme Complexes ; *Oncogenes ; Proteins/analysis
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    Early signals in the mitogenic response (1986)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1986-10-10
    Description: Polypeptide growth factors, regulatory peptides, and a variety of pharmacological agents acting alone or synergistically induce mitogenesis in cultured fibroblasts. The early signals in the membrane, cytosol, and nucleus promoted by these extracellular factors, together with their mitogenic effectiveness, are integrated in a unified hypothesis for the regulation of fibroblast growth.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Rozengurt, E -- New York, N.Y. -- Science. 1986 Oct 10;234(4773):161-6.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3018928" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Bombesin/pharmacology ; Cell Line ; Cell Membrane/metabolism ; Cell Nucleus/metabolism ; Cyclic AMP/metabolism ; Cytosol/metabolism ; DNA/biosynthesis ; Enzyme Activation ; Growth Substances/*pharmacology ; Interphase ; Ions/metabolism ; Mitogens/*pharmacology ; Mitosis ; Models, Biological ; Oncogenes ; Phosphorylation ; Platelet-Derived Growth Factor/*pharmacology ; Protein Kinase C/metabolism ; Receptor, Epidermal Growth Factor ; Receptors, Cell Surface/metabolism
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    Isolation of a new virus, HBLV, in patients with lymphoproliferative disorders (1986)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1986-10-31
    Description: A novel human B-lymphotropic virus (HBLV) was isolated from the peripheral blood leukocytes of six individuals: two HTLV-III seropositive patients from the United States (one with AIDS-related lymphoma and one with dermatopathic lymphadenopathy), three HTLV-III seronegative patients from the United States (one with angioimmunoblastic lymphadenopathy, one with cutaneous T-cell lymphoma, and one with immunoblastic lymphoma), and one HTLV-III seronegative patient with acute lymphocytic leukemia from Jamaica. All six isolates were closely related by antigenic analysis, and sera from all six virus-positive patients reacted immunologically with each virus isolate. In contrast, only four sera from 220 randomly selected healthy donors and none from 12 AIDS patients without associated lymphoma were seropositive. The virus selectively infected freshly isolated human B cells and converted them into large, refractile mono- or binucleated cells with nuclear and cytoplasmic inclusion bodies. HBLV is morphologically similar to viruses of the herpesvirus family but is readily distinguishable from the known human and nonhuman primate herpesviruses by host range, in vitro biological effects, and antigenic features.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Salahuddin, S Z -- Ablashi, D V -- Markham, P D -- Josephs, S F -- Sturzenegger, S -- Kaplan, M -- Halligan, G -- Biberfeld, P -- Wong-Staal, F -- Kramarsky, B -- New York, N.Y. -- Science. 1986 Oct 31;234(4776):596-601.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2876520" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; B-Lymphocytes/microbiology ; Cell Line ; Deltaretrovirus Infections/microbiology ; Fluorescent Antibody Technique ; Haplorhini ; Herpesviridae/*isolation & purification ; Herpesviridae Infections/*microbiology ; Humans ; Lymphoproliferative Disorders/*microbiology ; Microscopy, Electron ; T-Lymphocytes/microbiology
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    AIDS patent negotiations break down (1986)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1986-05-16
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Norman, C -- New York, N.Y. -- Science. 1986 May 16;232(4752):819.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3010454" target="_blank"〉PubMed〈/a〉
    Keywords: *Acquired Immunodeficiency Syndrome/immunology/microbiology ; Antibodies, Viral/immunology ; Deltaretrovirus/immunology ; France ; Humans ; *Patents as Topic ; United States
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  • 78
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    In vivo competition between a metallothionein regulatory element and the SV40 enhancer (1986)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1986-04-04
    Description: The human metallothionein-IIA (hMT-IIA) gene contains an enhancer element within its 5' regulatory region. This enhancer element can compete with the SV40 enhancer for one or more cellular factors in vivo. The competition between the two elements is modulated by cadmium, an inducer of hMT-IIA transcription. The data presented are consistent with a model in which heavy metal ions control the ability of the hMT-IIA enhancer to bind a positive factor, leading to increased transcription. The same factor is required for maximal activity of the SV40 enhancer, which suggests that viruses utilize factors that have a normal role in cellular gene expression to control their own genes.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Scholer, H -- Haslinger, A -- Heguy, A -- Holtgreve, H -- Karin, M -- ES03222/ES/NIEHS NIH HHS/ -- New York, N.Y. -- Science. 1986 Apr 4;232(4746):76-80.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3006253" target="_blank"〉PubMed〈/a〉
    Keywords: Acetyltransferases/genetics ; Animals ; Base Sequence ; Cadmium/pharmacology ; Cell Line ; Cercopithecus aethiops ; Chloramphenicol O-Acetyltransferase ; *Enhancer Elements, Genetic ; *Genes ; *Genes, Regulator ; *Genes, Viral ; Humans ; Kidney ; Kinetics ; Metallothionein/*genetics ; Plasmids ; Simian virus 40/*genetics ; Transcription, Genetic/drug effects ; Transfection
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  • 79
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    Primary rat embryo cells transformed by one or two oncogenes show different metastatic potentials (1986)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1986-04-11
    Description: Second-passage rat embryo cells were transfected with a neomycin resistance gene and the activated form of the c-Ha-ras I gene, or with these two genes plus the adenovirus type 2 E1a gene. Foci of morphologically transformed cells were observed in both cases; however, the frequency of transformation was at least ten times higher with two oncogenes than with the ras gene alone. All the transformed cell lines gave rise to rapidly growing tumors when injected subcutaneously into nude mice. All but one of the cell lines transformed by the ras oncogene alone formed metastatic nodules in the lungs of animals that had been injected subcutaneously with transformed cells. When transformed cells were injected intravenously, all the ras single-gene transformants gave rise to many metastatic lung nodules. In contrast, cell lines transformed with ras and E1a did not generate metastases after subcutaneous injection and gave rise to very few metastatic lung nodules after intravenous injection. These data demonstrate that a fully malignant cell with metastatic potential, as measured in an immunodeficient animal, can be obtained from early passage embryo cells by the transfection of the ras oncogene alone.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pozzatti, R -- Muschel, R -- Williams, J -- Padmanabhan, R -- Howard, B -- Liotta, L -- Khoury, G -- 3F32CA07245-02/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1986 Apr 11;232(4747):223-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3456644" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Carcinoma/genetics ; Cell Line ; Cell Transformation, Neoplastic/*metabolism ; Cricetinae ; Genetic Engineering ; Mice ; Mice, Nude ; *Oncogenes ; Plasmids ; Rats/embryology ; Rats, Inbred Strains/embryology ; Transfection ; Urinary Bladder Neoplasms/genetics
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    Biotech firm gets another black eye over experiment (1986)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1986-03-14
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sun, Marjorie -- New York, N.Y. -- Science. 1986 Mar 14;231(4743):1242.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/11643907" target="_blank"〉PubMed〈/a〉
    Keywords: *DNA, Recombinant ; *Ecology ; Federal Government ; Government ; *Government Regulation ; *Industry ; Jurisprudence ; Microbiology ; Politics ; Public Policy ; Risk ; Risk Assessment ; *Social Control, Formal ; United States ; United States Environmental Protection Agency
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    Formaldehyde poses little risk, study says (1986)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1986-03-21
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sun, M -- New York, N.Y. -- Science. 1986 Mar 21;231(4744):1365.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3952489" target="_blank"〉PubMed〈/a〉
    Keywords: Environmental Exposure ; Formaldehyde/*adverse effects ; Humans ; Lung Neoplasms/chemically induced ; National Institutes of Health (U.S.) ; United States ; United States Occupational Safety and Health Administration
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    Biotech guidelines challenged by Rifkin (1986)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1986-08-01
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sun, Marjorie -- New York, N.Y. -- Science. 1986 Aug 1;233(4763):516.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/11643926" target="_blank"〉PubMed〈/a〉
    Keywords: Advisory Committees ; *DNA, Recombinant ; *Ecology ; Federal Government ; Government ; *Government Regulation ; Jurisprudence ; Politics ; *Public Policy ; *Social Control, Formal ; United States ; United States Environmental Protection Agency
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    EPA proposal on alachlor nears (1986)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1986-09-12
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sun, M -- New York, N.Y. -- Science. 1986 Sep 12;233(4769):1143-4.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3738527" target="_blank"〉PubMed〈/a〉
    Keywords: Acetamides/*adverse effects ; Animals ; *Government Agencies ; Herbicides/*adverse effects ; Humans ; Neoplasms/chemically induced ; Rats ; United States ; *United States Environmental Protection Agency
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    Florida physician to be Assistant Secretary for Health (1986)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1986-07-04
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sun, M -- New York, N.Y. -- Science. 1986 Jul 4;233(4759):22.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3520821" target="_blank"〉PubMed〈/a〉
    Keywords: History, 20th Century ; United States ; United States Public Health Service/*organization & administration
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    White House to release biotechnology guidelines (1986)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1986-06-06
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sun, Marjorie -- New York, N.Y. -- Science. 1986 Jun 6;232(4755):1189.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/11643922" target="_blank"〉PubMed〈/a〉
    Keywords: Advisory Committees ; Containment of Biohazards ; *DNA, Recombinant ; Drug-Related Side Effects and Adverse Reactions ; *Ecology ; Federal Government ; Government ; *Government Regulation ; Guidelines as Topic ; Industry ; Microbiology ; National Institutes of Health (U.S.) ; *Public Policy ; Reference Standards ; *Social Control, Formal ; United States ; United States Environmental Protection Agency
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 86
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    USDA biotechnology review criticized and defended (1986)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1986-04-18
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sun, Marjorie -- New York, N.Y. -- Science. 1986 Apr 18;232(4748):316.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/11643917" target="_blank"〉PubMed〈/a〉
    Keywords: *DNA, Recombinant ; Ecology ; *Federal Government ; *Government ; *Government Regulation ; Industry ; Microbiology ; Politics ; Public Policy ; *Social Control, Formal ; United States
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    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 87
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    EPA suspends biotech permit (1986)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1986-04-04
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sun, M -- New York, N.Y. -- Science. 1986 Apr 4;232(4746):15.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3456642" target="_blank"〉PubMed〈/a〉
    Keywords: *Agriculture ; Bacteria/genetics ; *Genetic Engineering ; *Government Agencies ; United States ; *United States Environmental Protection Agency
    Print ISSN: 0036-8075
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 88
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    A neuronal antigen in the brains of Alzheimer patients (1986)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1986-05-02
    Description: A monoclonal antibody was prepared against pooled homogenates of brain tissue from patients with Alzheimer's disease. This antibody recognizes an antigen present in much higher concentration in certain brain regions of Alzheimer patients than in normal brain. The antigen appears to be a protein present in neurons involved in the formation of neuritic plaques and neurofibrillary tangles, and in some morphologically normal neurons in sections from Alzheimer brains. Partial purification and Western blot analysis revealed the antigen from Alzheimer brain to be a single protein with a molecular weight of 68,000. Application of the same purification procedure to normal brain tissue results in the detection of small amounts of a protein of lower molecular weight.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wolozin, B L -- Pruchnicki, A -- Dickson, D W -- Davies, P -- CA13330/CA/NCI NIH HHS/ -- T32 GM7288/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1986 May 2;232(4750):648-50.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3083509" target="_blank"〉PubMed〈/a〉
    Keywords: Alzheimer Disease/*immunology ; Antibodies, Monoclonal/immunology ; Antigens/immunology/isolation & purification ; Brain/cytology/*immunology ; Cerebral Cortex/cytology/immunology ; Choline O-Acetyltransferase/immunology ; Chromatography, Gel ; Enzyme-Linked Immunosorbent Assay ; Hippocampus/cytology/immunology ; Humans ; Intermediate Filaments/immunology ; Microtubule-Associated Proteins/immunology ; Molecular Weight ; Nerve Tissue Proteins/immunology/isolation & purification ; Neurons/immunology ; tau Proteins
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 89
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    The ninth component of complement and the pore-forming protein (perforin 1) from cytotoxic T cells: structural, immunological, and functional similarities (1986)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1986-07-11
    Description: The ninth component of complement (C9) and the pore-forming protein (PFP or perforin) from cytotoxic T lymphocytes polymerize to tubular lesions having an internal diameter of 100 A and 160 A, respectively, when bound to lipid bilayers. Polymerized C9, assembled by slow spontaneous or rapid Zn2+-induced polymerization, and polyperforin, which is assembled only in the presence of Ca2+, constitute large aqueous pores that are stable, nonselective for solutes, and insensitive to changes of membrane potential. Monospecific polyclonal antibodies to purified C9 and PFP show cross-reactivity, suggesting structural homology between the two molecules. The structural and functional homologies between these two killer molecules imply an active role for pore formation during cell lysis.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Young, J D -- Cohn, Z A -- Podack, E R -- AI070127/AI/NIAID NIH HHS/ -- AI18525/AI/NIAID NIH HHS/ -- CA3019/CA/NCI NIH HHS/ -- etc. -- New York, N.Y. -- Science. 1986 Jul 11;233(4760):184-90.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2425429" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Centrifugation, Isopycnic ; Complement C9/*immunology/physiology ; Cross Reactions ; Humans ; Ion Channels/physiology ; *Membrane Glycoproteins ; Membrane Proteins/*immunology/physiology ; Mice ; Molecular Weight ; Perforin ; Pore Forming Cytotoxic Proteins ; T-Lymphocytes, Cytotoxic/*physiology ; Zinc/physiology
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 90
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    Biotechnology regulation (1986)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1986-09-12
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Miller, H I -- Young, F E -- New York, N.Y. -- Science. 1986 Sep 12;233(4769):1135-6.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3461563" target="_blank"〉PubMed〈/a〉
    Keywords: *Genetic Engineering ; *Legislation as Topic ; United States ; United States Food and Drug Administration
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 91
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    Distribution of airborne radon-222 concentrations in U.S. homes (1986)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1986-11-21
    Description: Apparently large exposures of the general public to the radioactive decay products of radon-222 present in indoor air have led to systematical appraisal of monitoring data from U.S. single-family homes; several ways of aggregating data were used that take into account differences in sample selection and season of measurements. The resulting distribution of annual-average radon-222 concentrations can be characterized by an arithmetic mean of 1.5 picocurie per liter (55 becquerels per cubic meter) and a long tail with 1 to 3% of homes exceeding 8 picocuries per liter, or by a geometric mean of 0.9 picocurie per liter and a geometric standard deviation of about 2.8. The standard deviation in the means is 15%, estimated from the number and variability of the available data sets, but the total uncertainty is larger because these data may not be representative. Available dose-response data suggest that an average of 1.5 picocuries per liter contributes about 0.3% lifetime risk of lung cancer and that, in the million homes with the highest concentrations, where annual exposures approximate or exceed those received by underground uranium miners, long-term occupants suffer an added lifetime risk of at least 2%, reaching extraordinary values at the highest concentrations observed.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Nero, A V -- Schwehr, M B -- Nazaroff, W W -- Revzan, K L -- New York, N.Y. -- Science. 1986 Nov 21;234(4779):992-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3775373" target="_blank"〉PubMed〈/a〉
    Keywords: *Air Pollutants ; *Air Pollutants, Radioactive ; Lung Neoplasms/etiology ; Neoplasms, Radiation-Induced ; *Radon/analysis ; Seasons ; United States
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 92
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    Deficits haunt science budgets (1986)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1986-08-29
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Norman, C -- New York, N.Y. -- Science. 1986 Aug 29;233(4767):927-8.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3738515" target="_blank"〉PubMed〈/a〉
    Keywords: Budgets ; Government Agencies ; *Legislation as Topic ; National Institutes of Health (U.S.) ; United States
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 93
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    OMB floats new indirect cost plan (1986)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1986-06-20
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Norman, C -- New York, N.Y. -- Science. 1986 Jun 20;232(4757):1494-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3715455" target="_blank"〉PubMed〈/a〉
    Keywords: *Government Agencies ; *Research Support as Topic ; United States ; Universities/*economics
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 94
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    Novel interleukin-2 receptor subunit detected by cross-linking under high-affinity conditions (1986)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1986-11-14
    Description: Interleukin-2 (IL-2) binds to both high- and low-affinity classes of IL-2 receptors on activated T lymphocytes. Only the high-affinity receptors are involved in receptor-mediated endocytosis and normally transduce the mitogenic signals of IL-2; however, the structural features distinguishing the high- and low-affinity receptors are unknown. When 125I-labeled IL-2 was chemically cross-linked to activated human T lymphocytes, two major bands were identified. First, as predicted, a 68- to 72-kilodalton band, consisting of IL-2 (15.5 kilodaltons) cross-linked to the IL-2 receptor (55 kilodaltons), was observed. Second, an unpredicted 85- to 92-kilodalton moiety was detected. This band was not present when IL-2 was cross-linked to transfected C127 cells, which exclusively express low-affinity receptors. The data presented are most consistent with the existence of a 70- to 77-kilodalton glycoprotein subunit (p70) which, upon associating with the 55-kilodalton low-affinity receptor (p55), transforms it into a high-affinity site. It is proposed that p55 and p70 be referred to as the alpha and beta subunits, respectively, of the high-affinity IL-2 receptor.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sharon, M -- Klausner, R D -- Cullen, B R -- Chizzonite, R -- Leonard, W J -- New York, N.Y. -- Science. 1986 Nov 14;234(4778):859-63.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3095922" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Line ; *Cross-Linking Reagents ; Humans ; Immunosorbent Techniques ; Interleukin-2/metabolism ; Leukemia, Lymphoid/metabolism ; Lymphocyte Activation ; Mice ; Molecular Weight ; Receptors, Immunologic/*metabolism ; Receptors, Interleukin-2 ; Succinimides ; T-Lymphocytes/metabolism
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  • 95
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    High titers of autoantibodies to topoisomerase I (Scl-70) in sera from scleroderma patients (1986)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1986-02-14
    Description: Patients with rheumatic diseases often have circulating autoantibodies to nuclear components. The clinical significance of the antibodies is controversial, although in some cases they are valuable in the diagnosis of the disease. This report presents results of a study of Scl-70, an autoantigen recognized by sera of many patients with the most severe form of progressive systemic sclerosis. It was possible to show, by three independent criteria, that Scl-70 is the abundant nuclear enzyme DNA topoisomerase I. Therefore, antibody probes of high titer and high affinity are now available for the study of this important nuclear enzyme.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Shero, J H -- Bordwell, B -- Rothfield, N F -- Earnshaw, W C -- GM-30985/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1986 Feb 14;231(4739):737-40.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3003910" target="_blank"〉PubMed〈/a〉
    Keywords: Antibody Specificity ; Autoantibodies/*immunology ; Chromosomes/immunology ; DNA Topoisomerases, Type I/*genetics ; Humans ; Molecular Weight ; Scleroderma, Systemic/*immunology
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  • 96
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    Risk research: when should we say "enough"? (1986)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1986-05-23
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Morgan, M G -- New York, N.Y. -- Science. 1986 May 23;232(4753):917.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3704631" target="_blank"〉PubMed〈/a〉
    Keywords: Humans ; *Probability ; Research Support as Topic ; *Risk ; United States
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 97
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    Insulin-stimulated hydrolysis of a novel glycolipid generates modulators of cAMP phosphodiesterase (1986)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1986-08-29
    Description: Insulin action may involve the intracellular generation of low molecular weight substances that modulate certain key enzymes. The production of two substances that regulate the activity of adenosine 3',5'-monophosphate phosphodiesterase was evaluated in cultured myocytes by incorporation of radiolabeled precursors. Insulin caused the rapid hydrolysis of a chemically undefined membrane glycolipid, resulting in the production of two related complex carbohydrates as well as diacylglycerol. Both the glycolipid precursor and the aqueous products were monitored by labeling with radioactive inositol and glucosamine. Depletion of the labeled precursor and the appearance of labeled water-soluble products and diacylglycerol occurred within 30 seconds after hormone treatment and was followed by rapid resynthesis of the precursor. The aqueous products that were radioactively labeled appeared chromatographically and electrophoretically identical to phosphodiesterase modulating activities produced by insulin from the same cells. The purified radiolabeled and bioactive substances had similar chemical properties. Hydrolysis of the glycolipid precursor and subsequent generation of products could be reproduced by incubation of extracted lipids with a phosphatidylinositol-specific phospholipase C. These studies suggest that insulin stimulates an endogenous, selective phospholipase C activity that hydrolyzes a novel glycolipid, resulting in the generation of a complex carbohydrate-phosphate substance containing inositol and glucosamine that may mediate some of the actions of the hormone.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Saltiel, A R -- Fox, J A -- Sherline, P -- Cuatrecasas, P -- AM33804/AM/NIADDK NIH HHS/ -- F32 AI07185/AI/NIAID NIH HHS/ -- New York, N.Y. -- Science. 1986 Aug 29;233(4767):967-72.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3016898" target="_blank"〉PubMed〈/a〉
    Keywords: 3',5'-Cyclic-AMP Phosphodiesterases/*metabolism ; Animals ; Cell Line ; Glucosamine/metabolism ; Glycolipids/*metabolism ; Hydrolysis ; Inositol/metabolism ; Insulin/*pharmacology ; Liver/metabolism ; Mice ; Phosphatidylinositol Diacylglycerol-Lyase ; Phosphoinositide Phospholipase C ; Phosphoric Diester Hydrolases/metabolism ; Staphylococcus aureus/enzymology
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  • 98
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    Ground water ills: many diagnoses, few remedies (1986)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1986-06-20
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sun, M -- New York, N.Y. -- Science. 1986 Jun 20;232(4757):1490-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3012777" target="_blank"〉PubMed〈/a〉
    Keywords: Agriculture ; Fertilizers/analysis ; Pesticides/analysis ; United States ; Water Pollution, Chemical/*prevention & control ; Water Supply
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 99
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    NIH plans probe on test of altered virus (1986)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1986-05-16
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sun, M -- New York, N.Y. -- Science. 1986 May 16;232(4752):821-2.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3704629" target="_blank"〉PubMed〈/a〉
    Keywords: Advisory Committees ; Animal Experimentation ; Animals ; Federal Government ; *Government Regulation ; *National Institutes of Health (U.S.) ; Pseudorabies/immunology/*prevention & control ; Swine ; Swine Diseases/*prevention & control ; United States ; Viral Vaccines/*therapeutic use
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 100
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    USDA suspends license for engineered vaccine (1986)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1986-04-25
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sun, M -- New York, N.Y. -- Science. 1986 Apr 25;232(4749):446.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3457469" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Federal Government ; *Genetic Engineering ; Government Agencies ; *Government Regulation ; United States ; *Vaccines
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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