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  • Articles  (2,027)
  • Humans  (1,941)
  • Cells, Cultured  (154)
  • Cell & Developmental Biology
  • 1985-1989  (2,027)
  • Computer Science  (2,027)
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  • Articles  (2,027)
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  • 101
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    Transformation and plasmacytoid differentiation of EBV-infected human B lymphoblasts by ras oncogenes (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-02-03
    Description: The biological effects of ras oncogene activation in B cells were studied by using amphotropic retroviral vectors to introduce H- or N-ras oncogenes into human B lymphoblasts immortalized by Epstein-Barr virus. Expression of both H- and N-ras oncogenes led to malignant transformation of these cells, as shown by clonogenicity in semisolid media and tumorigenicity in immunodeficient mice. In addition, terminal differentiation into plasma cells was detectable as specific changes in morphology, immunoglobulin secretion, and cell surface antigen expression. This combined effect, promoting growth and differentiation in human lymphoblasts, represents a novel biological action of ras oncogenes and has implications for the pathogenesis of terminally differentiated B-lymphoid malignancies such as multiple myeloma.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Seremetis, S -- Inghirami, G -- Ferrero, D -- Newcomb, E W -- Knowles, D M -- Dotto, G P -- Dalla-Favera, R -- CA-37165/CA/NCI NIH HHS/ -- CA49236/CA/NCI NIH HHS/ -- EY 06337/EY/NEI NIH HHS/ -- New York, N.Y. -- Science. 1989 Feb 3;243(4891):660-3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Pathology, New York University, NY 10016.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2536954" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; B-Lymphocytes/metabolism/*pathology ; Cell Differentiation ; *Cell Transformation, Neoplastic ; *Cell Transformation, Viral ; DNA Replication ; Flow Cytometry ; Fluorescent Antibody Technique ; Gene Expression Regulation ; *Genes, ras ; *Herpesvirus 4, Human ; Humans ; Mice ; Mice, Nude ; Neoplasm Transplantation ; Neoplasms, Experimental/etiology ; Phenotype ; Plasma Cells/*pathology
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 102
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    Brain region and gene specificity of neuropeptide gene expression in cultured astrocytes (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-07-28
    Description: Astrocytes have many neuronal characteristics, such as neurotransmitter receptors, ion channels, and neurotransmitter uptake systems. Cultured astrocytes were shown to express certain neuropeptide genes, with specificity for both the gene expressed and the brain region from which the cells were prepared. Somatostatin messenger RNA and peptides were detected only in cerebellar astrocytes, whereas proenkephalin messenger RNA and enkephalin peptides were present in astrocytes of cortex, cerebellum, and striatum. Cholecystokinin was not expressed in any of the cells. These results support the hypothesis that peptides synthesized in astrocytes may play a role in the development of the central nervous system.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Shinoda, H -- Marini, A M -- Cosi, C -- Schwartz, J P -- New York, N.Y. -- Science. 1989 Jul 28;245(4916):415-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Clinical Neuroscience Branch, National Institute of Neurological Disorders and Stroke, Bethesda, MD 20892.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2569236" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Animals, Newborn ; Astrocytes/*metabolism ; Blotting, Northern ; Cells, Cultured ; Cerebellum/cytology/metabolism ; Cerebral Cortex/cytology/metabolism ; Corpus Striatum/cytology/metabolism ; Enkephalin, Methionine/biosynthesis/genetics ; Enkephalins/biosynthesis/genetics ; *Gene Expression Regulation ; Neuropeptides/biosynthesis/*genetics ; Protein Precursors/biosynthesis/genetics ; RNA, Messenger/analysis ; Radioimmunoassay ; Rats ; Somatostatin/biosynthesis/genetics
    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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  • 103
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    Lectins as cell recognition molecules (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-10-13
    Description: Lectins on cell surfaces mediate cell-cell interactions by combining with complementary carbohydrates on apposing cells. They play a key role in the control of various normal and pathological processes in living organisms.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sharon, N -- Lis, H -- New York, N.Y. -- Science. 1989 Oct 13;246(4927):227-34.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biophysics, Weizmann Institute of Science, Rehovot, Israel.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2552581" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Bacterial Physiological Phenomena ; Cell Communication/*physiology ; Cell Differentiation ; Entamoeba histolytica/physiology ; Fabaceae/physiology ; Humans ; Lectins/*physiology ; Myxomycetes/physiology ; Orthomyxoviridae/physiology ; Plant Lectins ; Plants, Medicinal
    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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  • 104
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    The incremental threshold of the rod visual system and Weber's law (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-04-21
    Description: The incremental threshold of the isolated rod visual system is believed, under certain conditions, to obey Weber's law (that is, to increase in direct proportion to the intensity of the background). This relation was tested at several background wavelengths, over an intensity range for which the target was seen only by the rods. Although the slope on long-wavelength background approximates unity (that is, Weber's law on log-log coordinates), it averages less than 0.8 on short- and middle-wavelength backgrounds. This is the same value as that found for the thresholds of a typical, complete achromat--who lacks cone vision--regardless of background wavelength. These results force the conclusion that Weber's law for incremental threshold detection is achieved not by the rods alone but only by the rods acting together with the cones.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sharpe, L T -- Fach, C -- Nordby, K -- Stockman, A -- New York, N.Y. -- Science. 1989 Apr 21;244(4902):354-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Neurologische Universitatsklinik, Freiburg im Breisgau, Federal Republic of Germany.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2711186" target="_blank"〉PubMed〈/a〉
    Keywords: Dark Adaptation ; Humans ; Light ; Photoreceptor Cells/*physiology ; Vision, Ocular/*physiology
    Print ISSN: 0036-8075
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 105
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    Commitment of neural crest cells to the sensory neuron lineage (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-03-24
    Description: Clonal cultures and monoclonal antibodies against a lineage-specific epitope, stage-specific embryonic antigen-1 (SSEA-1) were used to analyze the commitment of quail neural crest cells to the sensory neuron pathway. There were two distinct populations of sensory cells at the time of gangliogenesis. Postmitotic neuroblasts that remained in close association with the neural tube coexisted with a large number of pluripotent cells that formed the leading edge of the emigrating cells and gave rise to sensory and autonomic neuroblasts and to melanocytes. The data suggest a dual origin of spinal sensory neuroblasts and a predominantly late divergence of the autonomic and sensory lineages.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sieber-Blum, M -- HD21423/HD/NICHD NIH HHS/ -- New York, N.Y. -- Science. 1989 Mar 24;243(4898):1608-11.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Anatomy and Cellular Biology, Medical College of Wisconsin, Milwaukee 53226.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2564699" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antibodies, Monoclonal/immunology ; Antigens, CD15 ; Cell Differentiation ; Cell Division ; Cells, Cultured ; Coturnix ; Glycolipids/*physiology ; Neural Crest/*cytology ; Neurons, Afferent/*embryology ; Pigmentation
    Print ISSN: 0036-8075
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 106
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    The effect of deprenyl (selegiline) on the natural history of Parkinson's disease (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-08-04
    Description: The effects of MPTP (1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine), a neurotoxin that produces the symptoms of Parkinson's disease, can be fully prevented in experimental animals by inhibiting monoamine oxidase B. On the basis of this observation, a double-blind, placebo-controlled study in patients with early Parkinson's disease was initiated to determine whether deprenyl (a selective monoamine oxidase B inhibitor) would delay the need for L-dopa therapy by slowing the progression of the disease. Fifty-four patients were randomly assigned to deprenyl (10 mg/day) or placebo treatment groups and followed until L-dopa therapy was indicated or until the patient had been in the study for 3 years. Analysis of Kaplan-Meier survival curves for each group showed that deprenyl delayed the need for L-dopa therapy; the average time until L-dopa was needed was 312.1 days for patients in the placebo group and 548.9 days for patients in the deprenyl group. Disease progression, as monitored by five different assessment scales, was slowed (by 40 to 83% per year) in the deprenyl group compared to placebo. Therefore, early deprenyl therapy delays the requirement for antiparkinsonian medication, possibly by slowing progression of the disease.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Tetrud, J W -- Langston, J W -- New York, N.Y. -- Science. 1989 Aug 4;245(4917):519-22.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉California Parkinson's Foundation, San Jose 95128.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2502843" target="_blank"〉PubMed〈/a〉
    Keywords: 1-Methyl-4-phenyl-1,2,3,6-tetrahydropyridine ; Aged ; Clinical Trials as Topic ; Double-Blind Method ; Female ; Humans ; Levodopa/therapeutic use ; Male ; Middle Aged ; Monoamine Oxidase Inhibitors/*therapeutic use ; Parkinson Disease/*drug therapy/physiopathology ; Parkinson Disease, Secondary/chemically induced ; Phenethylamines/*therapeutic use ; Pyridines/adverse effects/antagonists & inhibitors ; Random Allocation ; Selegiline/adverse effects/*therapeutic use
    Print ISSN: 0036-8075
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  • 107
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    The neuronal growth-associated protein GAP-43 induces filopodia in non-neuronal cells (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-06-09
    Description: The neuron-specific protein GAP-43 is associated with the membrane of the nerve growth cone and thus may be important to the activity of this distinctive neuronal structure. Transient transfection of COS and NIH 3T3 cells with appropriate vectors resulted in expression of GAP-43 in these non-neuronal cells; as in neurons, transfected GAP-43 associated with the membrane. In addition, many long fine filopodial processes extended from the periphery of such transfected cells. Stable CHO cell lines expressing GAP-43 also exhibited processes that were more numerous, far longer, and more complex than those of CHO cell lines not transfected or transfected with control plasmids. Thus GAP-43 may directly contribute to growth cone activity by regulating cell membrane structure and enhancing extension of filopodial processes.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Zuber, M X -- Goodman, D W -- Karns, L R -- Fishman, M C -- New York, N.Y. -- Science. 1989 Jun 9;244(4909):1193-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Developmental Biology Laboratory, Massachusetts General Hospital Cancer Center, Boston.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2658062" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Line ; Cell Membrane/*ultrastructure ; Cells, Cultured ; Fluorescent Antibody Technique ; GAP-43 Protein ; Growth Substances/*physiology ; Membrane Proteins/genetics/*physiology ; Mice ; Nerve Tissue Proteins/genetics/*physiology ; Recombinant Proteins/pharmacology ; Transfection
    Print ISSN: 0036-8075
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  • 108
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    Allelotype of colorectal carcinomas (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-04-14
    Description: To examine the extent and variation of allelic loss in a common adult tumor, polymorphic DNA markers were studied from every nonacrocentric autosomal arm in 56 paired colorectal carcinoma and adjacent normal colonic mucosa specimens. This analysis was termed an allelotype, in analogy with a karyotype. Three major conclusions were drawn from this analysis: (i) Allelic deletions were remarkably common; one of the alleles of each polymorphic marker tested was lost in at least some tumors, and some tumors lost more than half of their parental alleles. (ii) In addition to allelic deletions, new DNA fragments not present in normal tissue were identified in five carcinomas; these new fragments contained repeated sequences of the variable number of tandem repeat type. (iii) Patients with more than the median percentage of allelic deletions had a considerably worse prognosis than did the other patients, although the size and stage of the primary tumors were very similar in the two groups. In addition to its implications concerning the genetic events underlying tumorigenesis, tumor allelotype may provide a molecular tool for improved estimation of prognosis in patients with colorectal cancer.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Vogelstein, B -- Fearon, E R -- Kern, S E -- Hamilton, S R -- Preisinger, A C -- Nakamura, Y -- White, R -- CA41183/CA/NCI NIH HHS/ -- GM07184/GM/NIGMS NIH HHS/ -- GM07309/GM/NIGMS NIH HHS/ -- etc. -- New York, N.Y. -- Science. 1989 Apr 14;244(4901):207-11.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Oncology Center, Johns Hopkins University School of Medicine, Baltimore, MD 21231.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2565047" target="_blank"〉PubMed〈/a〉
    Keywords: Alleles ; Chromosome Aberrations/genetics ; Chromosome Disorders ; Colorectal Neoplasms/*genetics ; DNA, Neoplasm/genetics ; Humans ; *Karyotyping ; Polymorphism, Restriction Fragment Length
    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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  • 109
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    Caution urged on DNA fingerprinting (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-08-18
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Norman, C -- New York, N.Y. -- Science. 1989 Aug 18;245(4919):699.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2772633" target="_blank"〉PubMed〈/a〉
    Keywords: *Dna ; *Forensic Medicine ; Humans ; *Nucleotide Mapping
    Print ISSN: 0036-8075
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  • 110
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    U.S. physicians probe deaths in Soviet Georgia (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-06-09
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Norman, C -- New York, N.Y. -- Science. 1989 Jun 9;244(4909):1133.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2524878" target="_blank"〉PubMed〈/a〉
    Keywords: *Death ; Georgia (Republic) ; Humans ; Physicians ; *Riots ; Social Control, Formal ; United States
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 111
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    Duesberg's PNAS paper (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-03-03
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Duesberg, P -- New York, N.Y. -- Science. 1989 Mar 3;243(4895):1125.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2922599" target="_blank"〉PubMed〈/a〉
    Keywords: Acquired Immunodeficiency Syndrome/*etiology ; *Hiv ; Humans ; Publishing/*standards
    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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  • 112
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    Science and the lame-duck budget (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-01-13
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Norman, C -- New York, N.Y. -- Science. 1989 Jan 13;243(4888):159-61.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2911727" target="_blank"〉PubMed〈/a〉
    Keywords: Acquired Immunodeficiency Syndrome/economics ; Budgets ; Government Agencies ; Humans ; National Institutes of Health (U.S.) ; *Research Support as Topic ; United States
    Print ISSN: 0036-8075
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 113
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    Parasitic protozoa and helminths: biological and immunological challenges (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-11-24
    Description: Parasitic protozoans and helminths pose considerable medical as well as scientific challenges. Investigations of the complex and very different life cycles of these organisms, their adaptation to the obligate parasitic mode of life, and their ability to face the hostile host environment have resulted in many exciting discoveries. Invasion of host erythrocytes by plasmodial sporozoites and intact skin by schistosomal cercariae are outlined as examples of the elaborate mechanisms of parasitism. Isolation and characterization of single protective antigens or subunit vaccines from these two organisms are examined as models for vaccine development. Finally, developments in exploring gene regulation in protozoans and free and parasitic nematodes are briefly outlined.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Mahmoud, A A -- New York, N.Y. -- Science. 1989 Nov 24;246(4933):1015-22.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Medicine, Case Western Reserve University School of Medicine, Cleveland, OH 44106.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2686024" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Base Sequence ; Eukaryota/genetics/pathogenicity/*physiology ; Gene Expression Regulation ; Helminthiasis/*immunology ; Helminths/genetics/pathogenicity/*physiology ; Humans ; Molecular Sequence Data ; Protozoan Infections/*immunology
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  • 114
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    Old bones solve new problems (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-09-15
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Marshall, E -- New York, N.Y. -- Science. 1989 Sep 15;245(4923):1185.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2781278" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Bone and Bones/*analysis/anatomy & histology ; Female ; *Forensic Medicine ; *Fossils ; Humans ; Infant ; Male ; *Paleontology
    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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  • 115
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    Quick release of AIDS drugs (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-07-28
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Marshall, E -- New York, N.Y. -- Science. 1989 Jul 28;245(4916):345, 347.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2756418" target="_blank"〉PubMed〈/a〉
    Keywords: Acquired Immunodeficiency Syndrome/*drug therapy ; Clinical Trials as Topic/*standards ; Humans ; *Legislation, Drug
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 116
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    A common language for physical mapping of the human genome (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-09-29
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Olson, M -- Hood, L -- Cantor, C -- Botstein, D -- New York, N.Y. -- Science. 1989 Sep 29;245(4925):1434-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Genetics, Washington University School of Medicine, St. Louis, MO 63110.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2781285" target="_blank"〉PubMed〈/a〉
    Keywords: *Base Sequence ; *Chromosome Mapping ; *Chromosomes, Human ; Humans ; Research Design/standards
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 117
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    The Molecule of the Year (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-12-22
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Guyer, R L -- Koshland, D E Jr -- New York, N.Y. -- Science. 1989 Dec 22;246(4937):1543-6.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2688087" target="_blank"〉PubMed〈/a〉
    Keywords: Abortion, Induced ; Cystic Fibrosis/genetics ; DNA/*genetics ; DNA-Directed DNA Polymerase ; Female ; *Genetic Techniques ; Humans ; Microscopy, Electron, Scanning ; Mifepristone ; Nucleic Acid Amplification Techniques ; Pregnancy ; Research/*trends
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    Research on child and adolescent mental disorders (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-11-10
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hamburg, B A -- New York, N.Y. -- Science. 1989 Nov 10;246(4931):738.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2814491" target="_blank"〉PubMed〈/a〉
    Keywords: Adolescent ; Child ; Child, Preschool ; Humans ; Infant ; *Mental Disorders ; *Research ; United States
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Innovative approaches to plasminogen activator therapy (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-01-06
    Description: Plasminogen activator therapy for acute myocardial infarction has become standard medical practice. Bleeding complications, however, limit the utility of the currently available agents. This article reviews how the tools of molecular biology and protein engineering are being used to develop safer and more effective plasminogen activators.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Haber, E -- Quertermous, T -- Matsueda, G R -- Runge, M S -- HL-19259/HL/NHLBI NIH HHS/ -- HL-28015/HL/NHLBI NIH HHS/ -- New York, N.Y. -- Science. 1989 Jan 6;243(4887):51-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Cardiac Unit, Massachusetts General Hospital, Boston 02114.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2492113" target="_blank"〉PubMed〈/a〉
    Keywords: Humans ; Myocardial Infarction/*drug therapy ; Plasminogen Activators/*therapeutic use ; Protein Conformation ; Recombinant Proteins/therapeutic use ; Streptokinase/therapeutic use ; Tissue Plasminogen Activator/therapeutic use ; Urokinase-Type Plasminogen Activator/therapeutic use
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Functions of sphingolipids and sphingolipid breakdown products in cellular regulation (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-01-27
    Description: The discovery that breakdown products of cellular sphingolipids are biologically active has generated interest in the role of these molecules in cell physiology and pathology. Sphingolipid breakdown products, sphingosine and lysosphingolipids, inhibit protein kinase C, a pivotal enzyme in cell regulation and signal transduction. Sphingolipids and lysosphingolipids affect significant cellular responses and exhibit antitumor promoter activities in various mammalian cells. These molecules may function as endogenous modulators of cell function and possibly as second messengers.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hannun, Y A -- Bell, R M -- CA46738/CA/NCI NIH HHS/ -- GM38737/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1989 Jan 27;243(4890):500-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Medicine, Duke University Medical Center, Durham, NC 27710.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2643164" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Cell Physiological Phenomena ; Ethanolamines/physiology ; Humans ; Lipids/physiology ; Protein Kinase C/antagonists & inhibitors ; Sphingolipids/*physiology ; Sphingosine/physiology
    Print ISSN: 0036-8075
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Government ddI trials on trial (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-12-08
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Palca, J -- New York, N.Y. -- Science. 1989 Dec 8;246(4935):1244.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2511632" target="_blank"〉PubMed〈/a〉
    Keywords: Acquired Immunodeficiency Syndrome/*drug therapy ; *Clinical Trials as Topic ; Didanosine/*therapeutic use ; Humans
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    New AIDS drugs take careful aim (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-12-22
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Palca, J -- New York, N.Y. -- Science. 1989 Dec 22;246(4937):1559-60.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2595368" target="_blank"〉PubMed〈/a〉
    Keywords: *ADP Ribose Transferases ; Acquired Immunodeficiency Syndrome/immunology/*therapy ; Antigens, CD4/immunology ; *Bacterial Toxins ; Drug Design ; Exotoxins/*therapeutic use ; Humans ; Immunoglobulin G ; Immunotoxins/*therapeutic use ; *Virulence Factors
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Young's sudden move (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-11-17
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Palca, J -- New York, N.Y. -- Science. 1989 Nov 17;246(4932):882.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2814511" target="_blank"〉PubMed〈/a〉
    Keywords: Humans ; Personnel Staffing and Scheduling ; United States ; *United States Dept. of Health and Human Services ; *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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    Is the AIDS epidemic slowing? (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-12-22
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Palca, J -- New York, N.Y. -- Science. 1989 Dec 22;246(4937):1560.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2556794" target="_blank"〉PubMed〈/a〉
    Keywords: Acquired Immunodeficiency Syndrome/*epidemiology/prevention & ; control/transmission ; Centers for Disease Control and Prevention (U.S.) ; Humans ; United States
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Fetal tissue transplants remain off limits (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-11-10
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Palca, J -- New York, N.Y. -- Science. 1989 Nov 10;246(4931):752.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2814496" target="_blank"〉PubMed〈/a〉
    Keywords: *Aborted Fetus ; *Abortion, Induced ; Federal Government ; *Fetal Research ; *Fetus ; Government Regulation ; Humans ; *Research Support as Topic ; Transplantation/*legislation & jurisprudence ; United States
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 126
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    New AIDS drug passes first clinical test (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-07-28
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Marx, J L -- New York, N.Y. -- Science. 1989 Jul 28;245(4916):353.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2502839" target="_blank"〉PubMed〈/a〉
    Keywords: Acquired Immunodeficiency Syndrome/*drug therapy ; Antiviral Agents/*therapeutic use ; Clinical Trials as Topic ; Didanosine ; Dideoxynucleosides/*therapeutic use ; HIV/*drug effects ; Humans
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    The cell cycle coming under control (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-07-21
    Description: An article in 30 June issue (";Dangerous' liaisons in cell biology," p. 1539), which discussed the commentary in the 2 June issue of the journal Cell by Max L. Birnstiel and Meinrad Busslinger regarding the transgenic mice experiments of Corrado Spadafora and co-workers, stated that Vienna's Institute of Molecular Pathology (IMP), for which Birnstiel and Busslinger work, was seeking patents on extensions of the Spadafora experiments. On further investigation, we have learned that this is not correct. At present no applications have been applied for or granted to IMP or its parent companies Genentech and Boehringer Ingelheim. We wish to correct the record, apologize to Dr. Birnstiel and Dr. Busslinger for this misstatement, and alert our readers to their letter, which is printed in our Letters section on page 243.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Marx, J L -- New York, N.Y. -- Science. 1989 Jul 21;245(4915):252-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2526371" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; CDC2 Protein Kinase ; *Cell Cycle ; Cell Division ; Cyclins ; Growth Substances/physiology ; Humans ; Invertebrate Hormones/physiology ; Maturation-Promoting Factor ; Phosphoproteins/*physiology ; Protein Kinases/*physiology ; Proto-Oncogenes
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    Genome projects are growing like weeds (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-07-14
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Palca, J -- New York, N.Y. -- Science. 1989 Jul 14;245(4914):131.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2749252" target="_blank"〉PubMed〈/a〉
    Keywords: *Base Sequence ; *Chromosome Mapping ; *Chromosomes, Human ; Humans ; *National Institutes of Health (U.S.) ; Plants/*genetics ; United States
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    Tonotopic organization of the auditory cortex: pitch versus frequency representation (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-10-27
    Description: According to the place principles of the classical hearing theory, the physical entity frequency is encoded in the auditory periphery as place information (tonotopic representation), which is decoded in more central parts of the auditory system to form the subjective entity pitch. However, this relation is true only for pure-tone signals (spectral pitch); it can be quite different in the case of complex auditory stimuli (virtual pitch), thus requiring a multistage process for pitch formation. Neuromagnetic measurements showed that the tonotopic organization of the primary auditory cortex reflects the pitch rather than the frequency of the stimulus; that is, the pitch formation process must take place in subcortical regions.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pantev, C -- Hoke, M -- Lutkenhoner, B -- Lehnertz, K -- New York, N.Y. -- Science. 1989 Oct 27;246(4929):486-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institute of Experimental Audiology, University of Munster, Federal Republic of Germany.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2814476" target="_blank"〉PubMed〈/a〉
    Keywords: Acoustic Stimulation ; Acoustics ; Audiometry/methods ; Auditory Cortex/*physiology ; Brain Mapping ; Humans ; Magnetics ; Pitch Perception/*physiology
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    Sleep researchers awake to possibilities (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-07-28
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Palca, J -- New York, N.Y. -- Science. 1989 Jul 28;245(4916):351-2.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2756422" target="_blank"〉PubMed〈/a〉
    Keywords: Humans ; Research ; Sleep/*physiology ; Sleep Wake Disorders/*physiopathology
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Court ruling rekindles controversy over SATs (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-02-17
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Holden, C -- New York, N.Y. -- Science. 1989 Feb 17;243(4893):885-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2919279" target="_blank"〉PubMed〈/a〉
    Keywords: *Educational Measurement ; Female ; Humans ; *Jurisprudence ; Male ; *Prejudice ; *School Admission Criteria ; Sex Factors ; United States ; *Universities
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Drug-resistant strains of AIDS virus found (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-03-24
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Marx, J L -- New York, N.Y. -- Science. 1989 Mar 24;243(4898):1551-2.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2928791" target="_blank"〉PubMed〈/a〉
    Keywords: Acquired Immunodeficiency Syndrome/*drug therapy ; *Drug Resistance, Microbial ; HIV/*drug effects ; Humans ; Zidovudine/*therapeutic use
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    How DNA viruses may cause cancer (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-02-24
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Marx, J L -- New York, N.Y. -- Science. 1989 Feb 24;243(4894 Pt 1):1012-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2538000" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Transformation, Neoplastic ; Cell Transformation, Viral ; DNA Tumor Viruses/genetics/*physiology ; Genes, Viral ; Hepatitis B virus/genetics/*physiology ; Herpesvirus 4, Human/genetics/*physiology ; Humans ; Neoplasms/*etiology/immunology/prevention & control ; Oncogenes ; Papillomaviridae/genetics/*physiology ; Tumor Virus Infections/microbiology
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Detecting mutations in human genes (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-02-10
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Marx, J L -- New York, N.Y. -- Science. 1989 Feb 10;243(4892):737-8.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2783787" target="_blank"〉PubMed〈/a〉
    Keywords: Cells, Cultured ; Electrophoresis/methods ; Humans ; Hypoxanthine Phosphoribosyltransferase/genetics ; *Mutagenicity Tests ; T-Lymphocytes/drug effects
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    Getting to the heart of genetic disease (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-01-20
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Marx, J L -- New York, N.Y. -- Science. 1989 Jan 20;243(4889):315-6.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2521401" target="_blank"〉PubMed〈/a〉
    Keywords: Aging ; Blood Coagulation Disorders/physiopathology ; Emphysema/genetics/therapy ; Heart Diseases/*genetics ; Hematologic Diseases/*genetics ; Humans ; Lipoprotein(a) ; Lipoproteins/genetics ; Lung Diseases/*genetics ; Thrombin/physiology ; alpha 1-Antitrypsin/genetics
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    Point mutational inactivation of the retinoblastoma antioncogene (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-02-17
    Description: The retinoblastoma (Rb) antioncogene encodes a nuclear phosphoprotein, p105-Rb, that forms protein complexes with the adenovirus E1A and SV40 large T oncoproteins. A novel, aberrant Rb protein detected in J82 bladder carcinoma cells was not able to form a complex with E1A and was less stable than p105-Rb. By means of a rapid method for the detection of mutations in Rb mRNA, this defective Rb protein was observed to result from a single point mutation within a splice acceptor sequence in J82 genomic DNA. This mutation eliminates a single exon and 35 amino acids from its encoded protein product.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Horowitz, J M -- Yandell, D W -- Park, S H -- Canning, S -- Whyte, P -- Buchkovich, K -- Harlow, E -- Weinberg, R A -- Dryja, T P -- CA 08131/CA/NCI NIH HHS/ -- CA 13106/CA/NCI NIH HHS/ -- CA 39826/CA/NCI NIH HHS/ -- etc. -- New York, N.Y. -- Science. 1989 Feb 17;243(4893):937-40.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Whitehead Institute for Biomedical Research, Massachusetts Institute of Technology, Cambridge 02142.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2521957" target="_blank"〉PubMed〈/a〉
    Keywords: Adenovirus Early Proteins ; Antigens, Polyomavirus Transforming ; Base Sequence ; DNA-Binding Proteins/metabolism ; Eye Neoplasms/*genetics ; Humans ; Molecular Sequence Data ; *Mutation ; Oncogene Proteins, Viral/metabolism ; *Oncogenes ; Phosphoproteins/*genetics/metabolism ; Retinoblastoma/*genetics ; Retinoblastoma Protein
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    Wider use of AIDS drugs advocated (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-08-25
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Marx, J L -- New York, N.Y. -- Science. 1989 Aug 25;245(4920):811.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2672331" target="_blank"〉PubMed〈/a〉
    Keywords: Acquired Immunodeficiency Syndrome/*drug therapy ; Clinical Trials as Topic ; Humans ; Zidovudine/*therapeutic use
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Vitamin C papers (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-03-24
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pauling, L -- New York, N.Y. -- Science. 1989 Mar 24;243(4898):1535.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2928785" target="_blank"〉PubMed〈/a〉
    Keywords: Ascorbic Acid/*history ; Humans ; Publishing/standards
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    Epilepsy "cure" (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-11-17
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pavlakis, S G -- New York, N.Y. -- Science. 1989 Nov 17;246(4932):874.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2814504" target="_blank"〉PubMed〈/a〉
    Keywords: Epilepsy/*therapy ; Humans ; Magnetics ; Periodicals as Topic/standards ; Publishing
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    Catalytic hydrolysis of vasoactive intestinal peptide by human autoantibody (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-06-09
    Description: Vasoactive intestinal peptide (VIP) labeled with 125I, [Tyr10-125I]VIP, can be hydrolyzed by immunoglobulin G (IgG) purified from a human subject, as judged by trichloroacetic acid precipitation and reversed-phase high-performance liquid chromatography (HPLC). The hydrolytic activity was precipitated by antibody to human IgG, it was bound by immobilized protein G and showed a molecular mass close to 150 kilodaltons by gel filtration chromatography, properties similar to those of authentic IgG. The Fab fragment, prepared from IgG by papain treatment, retained the VIP hydrolytic activity of the IgG. Peptide fragments produced by treatment of VIP with the antibody fraction were purified by reversed-phase HPLC and identified by fast atom bombardment-mass spectrometry and peptide sequencing. The scissile bond in VIP deduced from these experiments was Gln16-Met17. The antibody concentration (73.4 fmol per milligram of IgG) and the Kd (0.4 nM) were computed from analysis of VIP binding under conditions that did not result in peptide hydrolysis. Analysis of the antibody-mediated VIP hydrolysis at varying concentrations of substrate suggested conformity with Michaelis-Menton kinetics (Km). The values for Km (37.9 X 10(-9) M) and the turnover number kcat (15.6 min-1) suggested relatively tight VIP binding and a moderate catalytic efficiency of the antibody.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Paul, S -- Volle, D J -- Beach, C M -- Johnson, D R -- Powell, M J -- Massey, R J -- HL 35506/HL/NHLBI NIH HHS/ -- HL 40348/HL/NHLBI NIH HHS/ -- New York, N.Y. -- Science. 1989 Jun 9;244(4909):1158-62.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Pharmacology, University of Nebraska Medical Center, Omaha 68105.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2727702" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; *Autoantibodies ; Catalysis ; Chromatography, High Pressure Liquid ; Humans ; Hydrolysis ; Immunoglobulin Fab Fragments ; *Immunoglobulin G ; Kinetics ; Molecular Sequence Data ; Peptide Fragments/isolation & purification ; Vasoactive Intestinal Peptide/*immunology
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    Genomic sequencing and methylation analysis by ligation mediated PCR (1989)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1989-11-10
    Description: Genomic sequencing permits studies of in vivo DNA methylation and protein-DNA interactions, but its use has been limited because of the complexity of the mammalian genome. A newly developed genomic sequencing procedure in which a ligation mediated polymerase chain reaction (PCR) is used generates high quality, reproducible sequence ladders starting with only 1 microgram of uncloned mammalian DNA per reaction. Different sequence ladders can be created simultaneously by inclusion of multiple primers and visualized separately by rehybridization. Relatively little radioactivity is needed for hybridization and exposure times are short. Methylation patterns in genomic DNA are readily detectable; for example, 17 CpG dinucleotides in the 5' region of human X-linked PGK-1 (phosphoglycerate kinase 1) were found to be methylated on an inactive human X chromosome, but unmethylated on an active X chromosome.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pfeifer, G P -- Steigerwald, S D -- Mueller, P R -- Wold, B -- Riggs, A D -- AG08196/AG/NIA NIH HHS/ -- GM355262BW/GM/NIGMS NIH HHS/ -- RR07003/RR/NCRR NIH HHS/ -- New York, N.Y. -- Science. 1989 Nov 10;246(4931):810-3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Molecular Biology Section, Beckman Research Institute of the City of Hope, Duarte, CA 91010.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2814502" target="_blank"〉PubMed〈/a〉
    Keywords: 5-Methylcytosine ; Animals ; Autoradiography ; Base Sequence ; Cytosine ; DNA/*genetics/metabolism ; Exons ; HeLa Cells ; Humans ; Methylation ; Molecular Sequence Data ; *Nucleic Acid Amplification Techniques ; *Nucleic Acid Hybridization ; Phosphoglycerate Kinase/genetics ; Polymerase Chain Reaction/*methods ; Promoter Regions, Genetic ; X Chromosome
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  • 142
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    Illuminating jet lag (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-06-16
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pool, R -- New York, N.Y. -- Science. 1989 Jun 16;244(4910):1256-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2734609" target="_blank"〉PubMed〈/a〉
    Keywords: *Circadian Rhythm ; Humans ; *Phototherapy ; Sleep Wake Disorders/*therapy ; Travel
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  • 143
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    Is it healthy to be chaotic? (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-02-03
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pool, R -- New York, N.Y. -- Science. 1989 Feb 3;243(4891):604-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2916117" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Brain/*physiopathology ; Electrocardiography ; Electroencephalography ; Epilepsy/physiopathology ; Heart/*physiopathology ; Heart Rate ; Homeostasis ; Humans ; Myocardial Infarction/physiopathology ; *Periodicity ; Risk Factors
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  • 144
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    Is it chaos, or is it just noise? (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-01-06
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pool, R -- New York, N.Y. -- Science. 1989 Jan 6;243(4887):25-8.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2911717" target="_blank"〉PubMed〈/a〉
    Keywords: Child ; Computer Simulation ; *Epidemiology ; Humans ; Measles/epidemiology ; *Models, Statistical ; *Models, Theoretical ; New York City ; Vaccination
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  • 145
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    Science and PR north of the border (1989)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1989-12-22
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Powell, D -- New York, N.Y. -- Science. 1989 Dec 22;246(4937):1555-6.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2595367" target="_blank"〉PubMed〈/a〉
    Keywords: Acquired Immunodeficiency Syndrome/*prevention & control ; *Biotechnology ; Canada ; Drug Evaluation ; Humans ; Public Relations ; Viral Vaccines/adverse effects/therapeutic use
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  • 146
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    Chaos theory: how big an advance? (1989)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1989-07-07
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Poole, R -- New York, N.Y. -- Science. 1989 Jul 7;245(4913):26-8.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2740911" target="_blank"〉PubMed〈/a〉
    Keywords: Heart/physiology/physiopathology ; *Heart Rate ; Humans ; *Models, Theoretical ; Physical Phenomena ; *Physics
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  • 147
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    Type I and type II GABAA-benzodiazepine receptors produced in transfected cells (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-09-22
    Description: GABAA (gamma-aminobutyric acid A)-benzodiazepine receptors expressed in mammalian cells and assembled from one of three different alpha subunit variants (alpha 1, alpha 2, or alpha 3) in combination with a beta 1 and a gamma 2 subunit display the pharmacological properties of either type I or type II receptor subtypes. These receptors contain high-affinity binding sites for benzodiazepines. However, CL 218 872, 2-oxoquazepam, and methyl beta-carboline-3-carboxylate (beta-CCM) show a temperature-modulated selectivity for alpha 1 subunit-containing receptors. There were no significant differences in the binding of clonazepam, diazepam, Ro 15-1788, or dimethoxy-4-ethyl-beta-carboline-3-carboxylate (DMCM) to all three recombinant receptors. Receptors containing the alpha 3 subunit show greater GABA potentiation of benzodiazepine binding than receptors containing the alpha 1 or alpha 2 subunit, indicating that there are subtypes within the type II class. Thus, diversity in benzodiazepine pharmacology is generated by heterogeneity of the alpha subunit of the GABAA receptor.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pritchett, D B -- Luddens, H -- Seeburg, P H -- New York, N.Y. -- Science. 1989 Sep 22;245(4924):1389-92.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Molecular Neuroendocrinology, Zentrum fur Molekulare Biologie, Universitat Heidelberg, Federal Republic of Germany.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2551039" target="_blank"〉PubMed〈/a〉
    Keywords: Cell Line ; Diazepam/metabolism ; Flumazenil/metabolism ; Flunitrazepam/metabolism ; Humans ; Molecular Weight ; Pyridazines/metabolism ; Receptors, GABA-A/classification/*genetics/metabolism ; Recombinant Proteins/metabolism ; Transfection
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  • 148
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    Role of Na+/H+ exchange by interferon-gamma in enhanced expression of JE and I-A beta genes (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-04-28
    Description: The rapid transductional sequences initiated by interferon-gamma (IFN-gamma) on binding to its receptor regulate functional and genomic responses in many cells but are not well defined. Induction of macrophage activation is an example of such functional and genomic changes in response to IFN-gamma. Addition of IFN-gamma to murine macrophages, at activating concentrations, produced rapid (within 60 seconds) alkalinization of the cytosol and a concomitant, rapid influx of 22Na+. Amiloride inhibited the ion fluxes and the accumulation of specific messenger RNA for two genes induced by IFN-gamma (the early gene JE and the beta chain of the class II major histocompatibility complex gene I-A). The data indicate that IFN-gamma initiates rapid exchange of Na+ and H+ by means of the Na+/H+ antiporter and that these amiloride-sensitive ion fluxes are important to some of the genomic effects of IFN-gamma.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Prpic, V -- Yu, S F -- Figueiredo, F -- Hollenbach, P W -- Gawdi, G -- Herman, B -- Uhing, R J -- Adams, D O -- New York, N.Y. -- Science. 1989 Apr 28;244(4903):469-71.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Pathology, Duke University Medical Center, Durham, NC 27710.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2541500" target="_blank"〉PubMed〈/a〉
    Keywords: Amiloride/pharmacology ; Animals ; Carrier Proteins/antagonists & inhibitors/metabolism ; Cells, Cultured ; Cytosol/metabolism ; *Gene Expression Regulation ; Histocompatibility Antigens Class II/*genetics ; Hydrogen-Ion Concentration ; Interferon-gamma/*physiology ; Kinetics ; Macrophage Activation ; Macrophages/drug effects/metabolism ; Mice ; *Protons ; RNA, Messenger/biosynthesis ; Sodium/*metabolism ; Sodium-Hydrogen Antiporter
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  • 149
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    Interleukin-1 mitogenic activity for fibroblasts and smooth muscle cells is due to PDGF-AA (1989)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1989-01-20
    Description: Both interleukin-1 (IL-1) and platelet-derived growth factor (PDGF) induce proliferation of cultured fibroblasts and smooth muscle cells. These polypeptide mediators are released by activated macrophages and other cell types in response to injury and are thought to have a role in tissue remodeling and a number of pathologic processes. Analysis of the kinetics of [3H]thymidine incorporation by cultured fibroblasts demonstrated that the response to IL-1 is delayed approximately 8 hours relative to their response to PDGF. IL-1 transiently stimulated expression of the PDGF A-chain gene, with maximum induction after approximately 2 hours. Subsequent synthesis and release of PDGF activity into the medium was detected as early as 4 hours after IL-1 stimulation, and downregulation of the binding site for the PDGF-AA isoform of PDGF followed PDGF-AA secretion. Antibodies to PDGF completely block the mitogenic response to IL-1. Therefore, the mitogenic activity of IL-1 for fibroblasts and smooth muscle cells appears to be indirect and mediated by induction of the PDGF A-chain gene.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Raines, E W -- Dower, S K -- Ross, R -- HL-18645/HL/NHLBI NIH HHS/ -- New York, N.Y. -- Science. 1989 Jan 20;243(4889):393-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Pathology, University of Washington, Seattle 98195.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2783498" target="_blank"〉PubMed〈/a〉
    Keywords: Cells, Cultured ; Fibroblasts/cytology/*drug effects ; Gene Expression Regulation/drug effects ; Humans ; Interleukin-1/*pharmacology ; Muscle, Smooth/cytology/*drug effects ; Platelet-Derived Growth Factor/*physiology ; RNA, Messenger/genetics ; Time Factors
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    Glial cell diversification in the rat optic nerve (1989)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1989-03-17
    Description: A central challenge in developmental neurobiology is to understand how an apparently homogeneous population of neuroepithelial cells in the early mammalian embryo gives rise to the great diversity of nerve cells (neurons) and supporting cells (glial cells) in the mature central nervous system. Because the optic nerve is one of the several types of glial cells but no intrinsic neurons, it is an attractive place to investigate how neuroepithelial cells diversify. Studies of developing rat optic nerve cells in culture suggest that both cell-cell interactions and intrinsic cellular programs play important parts in glial cell diversification.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Raff, M C -- New York, N.Y. -- Science. 1989 Mar 17;243(4897):1450-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2648568" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Astrocytes/cytology ; Brain/cytology ; Cell Differentiation ; Cell Movement ; Cells, Cultured ; Epithelial Cells ; Morphogenesis ; Neuroglia/*cytology ; Oligodendroglia/cytology ; Optic Nerve/*cytology ; Rats
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    Identification of a zinc finger protein that binds to the sterol regulatory element (1989)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1989-08-11
    Description: Cholesterol balance in mammalian cells is maintained in part by sterol-mediated repression of gene transcription for the low density lipoprotein receptor and enzymes in the cholesterol biosynthetic pathway. A promoter sequence termed the sterol regulatory element (SRE) is essential for this repression. With the use of an oligonucleotide containing the SRE to screen a human hepatoma complementary DNA expression library, a clone for a DNA binding protein was isolated that binds to the conserved SRE octanucleotide in both a sequence-specific and a single-strand--specific manner. This protein contains seven highly conserved zinc finger repeats that exhibit striking sequence similarity to retroviral nucleic acid binding proteins (NBPs). We have designated the protein "cellular NBP" (CNBP). CNBP is expressed in a wide variety of tissues, is up regulated by sterols, and exhibits binding specificity that correlates with in vivo function. These properties are consistent with a role in sterol-mediated control of transcription.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Rajavashisth, T B -- Taylor, A K -- Andalibi, A -- Svenson, K L -- Lusis, A J -- HL30568/HL/NHLBI NIH HHS/ -- New York, N.Y. -- Science. 1989 Aug 11;245(4918):640-3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Medicine, University of California, Los Angeles 90024.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2562787" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Base Sequence ; Binding Sites ; Carcinoma, Hepatocellular/metabolism ; Cholesterol/biosynthesis ; DNA/*metabolism ; DNA Probes ; DNA-Binding Proteins/genetics/*metabolism ; Gene Expression Regulation/*drug effects ; Humans ; Hydroxymethylglutaryl CoA Reductases/genetics ; Liver Neoplasms/metabolism ; Metalloproteins/genetics/*metabolism ; Molecular Sequence Data ; Promoter Regions, Genetic ; *RNA-Binding Proteins ; Receptors, LDL/genetics ; *Regulatory Sequences, Nucleic Acid ; Sequence Homology, Nucleic Acid ; Sterols/*pharmacology ; Tumor Cells, Cultured
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    Oil spill health effects (1989)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1989-11-03
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Rall, D P -- New York, N.Y. -- Science. 1989 Nov 3;246(4930):564.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2619823" target="_blank"〉PubMed〈/a〉
    Keywords: *Accidents ; Alaska ; *Environmental Pollution ; *Fuel Oils ; Humans ; *Petroleum
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  • 153
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    elk, tissue-specific ets-related genes on chromosomes X and 14 near translocation breakpoints (1989)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1989-04-07
    Description: The myb-ets-containing acute leukemia virus, E26, transforms myeloblasts and erythroblasts in culture and causes a mixed erythroid and myeloid leukemia in chicks. Genes (ets-1, ets-2, and erg) with variable relatedness to the v-ets oncogene of the E26 virus have been identified, cloned, and characterized in several species. Two new members (elk-1 and elk-2) of the ets oncogene superfamily have now been identified. Nucleotide sequence analysis of the elk-1 cDNA clone revealed that this gene encodes a 428-residue protein whose predicted amino acid sequence showed 82% similarity to the 3' region of v-ets. The elk or related sequences appear to be transcriptionally active in testis and lung. The elk cDNA probe detects two loci in the human genome, elk-1 and elk-2, which map to chromosome regions Xp11.2 and 14q32.3, respectively. These loci are near the translocation breakpoint seen in the t(X;18) (p11.2;q11.2), which is characteristic of synovial sarcoma, and the chromosome 14q32 breakpoints seen in ataxia telangiectasia and other T cell malignancies. This suggests the possibility that rearrangements of elk loci may be involved in pathogenesis of certain tumors.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Rao, V N -- Huebner, K -- Isobe, M -- ar-Rushdi, A -- Croce, C M -- Reddy, E S -- CA-21124/CA/NCI NIH HHS/ -- CA-25875/CA/NCI NIH HHS/ -- CA-39860/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1989 Apr 7;244(4900):66-70.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Wistar Institute of Anatomy and Biology, Philadelphia, PA 19104.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2539641" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Avian Leukosis Virus/*genetics ; Base Sequence ; Chick Embryo ; Chickens ; Chromosome Mapping ; Cloning, Molecular ; DNA Probes ; *DNA-Binding Proteins ; Humans ; Mice ; Molecular Sequence Data ; *Oncogenes ; *Proto-Oncogene Proteins ; Rats ; Retroviridae Proteins/*genetics/isolation & purification ; *Transcription Factors ; *Translocation, Genetic ; *X Chromosome ; ets-Domain Protein Elk-1
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    Autoimmune target in Heymann nephritis is a glycoprotein with homology to the LDL receptor (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-06-09
    Description: The pathogenesis of Heymann nephritis, a rat model of human membranous glomerulonephritis, depends on the interaction of autoantibodies with a renal glycoprotein (GP330) on glomerular podocytes. Partial complementary DNAs coding for GP330 were isolated and sequenced. The deduced amino acid sequence from 4.3 kilobases of complementary DNA contains the sequences identical to two peptides derived from the isolated glycoprotein. The deduced amino acid sequence of this protein contains regions with homology to the human low density lipoprotein (LDL) receptor, an indication that GP330 and the LDL receptor may be members of the same gene family. Autoantibodies from the kidneys of rats with Heymann nephritis reacted with a nonglycosylated segment of GP330 that contains cysteine-rich 40-amino acid repeats, which are also features of the LDL receptor. GP330 is also similar in some regions to the mouse epidermal growth factor precursor.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Raychowdhury, R -- Niles, J L -- McCluskey, R T -- Smith, J A -- P01-DK38452/DK/NIDDK NIH HHS/ -- R01-DK18729/DK/NIDDK NIH HHS/ -- New York, N.Y. -- Science. 1989 Jun 9;244(4909):1163-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Molecular Biology, Massachusetts General Hospital, Boston 02114.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2786251" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Autoantibodies/*genetics ; DNA/genetics ; Glomerulonephritis/genetics/*immunology ; Heymann Nephritis Antigenic Complex ; Humans ; Membrane Glycoproteins/*genetics ; Molecular Sequence Data ; Rats ; Rats, Inbred Lew ; Receptors, LDL/*genetics ; Reference Values ; Sequence Homology, Nucleic Acid
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Amplification and molecular cloning of HTLV-I sequences from DNA of multiple sclerosis patients (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-01-27
    Description: Techniques of gene amplification, molecular cloning, and sequence analysis were used to test for the presence of sequences related to human T-lymphotropic virus type I (HTLV-I) in peripheral blood mononuclear cells of six patients with multiple sclerosis (MS) and 20 normal individuals. HTLV-I sequences were detected in all six MS patients and in one individual from the control group by DNA blot analysis and molecular cloning of amplified DNAs. The viral sequence in MS patients were associated with adherent cell populations consisting predominantly of monocytes and macrophages. Molecular cloning and nucleotide sequence analysis indicated that these amplified viral sequences were related to the HTLV-I proviral genome.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Reddy, E P -- Sandberg-Wollheim, M -- Mettus, R V -- Ray, P E -- DeFreitas, E -- Koprowski, H -- CA-10815/CA/NCI NIH HHS/ -- NS-11036/NS/NINDS NIH HHS/ -- New York, N.Y. -- Science. 1989 Jan 27;243(4890):529-33.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Wistar Institute of Anatomy and Biology, Philadelphia, PA 19104.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2536193" target="_blank"〉PubMed〈/a〉
    Keywords: Adolescent ; Adult ; Base Sequence ; Child ; *Cloning, Molecular ; DNA Restriction Enzymes ; DNA, Viral/*genetics ; Female ; *Gene Amplification ; Human T-lymphotropic virus 1/*genetics ; Humans ; Leukocytes, Mononuclear/analysis/microbiology ; Macrophages/analysis/microbiology ; Male ; Molecular Sequence Data ; Multiple Sclerosis/*microbiology ; Nucleic Acid Hybridization ; Oligonucleotide Probes
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Neuroanatomical correlates of anticipatory anxiety (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-02-24
    Description: Positron emission tomographic measurements of regional blood flow, a marker of local neuronal activity, were used to investigate the neuroanatomical correlates of a normal emotion. Healthy volunteers were studied before, during, and after anticipation of a painful electric shock. During anticipatory anxiety, there were significant blood flow increases in bilateral temporal poles, the same regions recently implicated in a lactate-induced anxiety attack in patients with panic disorder. Thus, the temporal poles seem to be involved in normal and pathological forms of human anxiety.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Reiman, E M -- Fusselman, M J -- Fox, P T -- Raichle, M E -- MH-00615/MH/NIMH NIH HHS/ -- NS-00904/NS/NINDS NIH HHS/ -- NS-06833/NS/NINDS NIH HHS/ -- etc. -- New York, N.Y. -- Science. 1989 Feb 24;243(4894 Pt 1):1071-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Psychiatry, Washington University School of Medicine, St. Louis, MO 63110.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2784226" target="_blank"〉PubMed〈/a〉
    Keywords: Anxiety/*physiology ; Brain/anatomy & histology/blood supply/*physiology ; Electroshock ; Humans ; Neurons/physiology ; Regional Blood Flow ; Tomography, Emission-Computed
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  • 157
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    Amplification and Molecular Cloning of HTLV-I Sequences from DNA of Multiple Sclerosis Patients. Correction (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-10-06
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Reddy, E P -- New York, N.Y. -- Science. 1989 Oct 6;246(4926):10-1.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2781296" target="_blank"〉PubMed〈/a〉
    Keywords: Base Sequence ; DNA, Single-Stranded/genetics ; Gene Amplification ; Human T-lymphotropic virus 1/*genetics ; Humans ; Multiple Sclerosis/*genetics
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    An inducible endothelial cell surface glycoprotein mediates melanoma adhesion (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-12-08
    Description: Hematogenous metastasis requires the arrest and extravasation of blood-borne tumor cells, possibly involving direct adhesive interactions with vascular endothelium. Cytokine activation of cultured human endothelium increases adhesion of melanoma and carcinoma cell lines. An inducible 110-kD endothelial cell surface glycoprotein, designated INCAM-110, appears to mediate adhesion of melanoma cells. In addition, an inducible endothelial receptor for neutrophils, ELAM-1, supports the adhesion of a human colon carcinoma cell line. Thus, activation of vascular endothelium in vivo that results in increased expression of INCAM-110 and ELAM-1 may promote tumor cell adhesion and affect the incidence and distribution of metastases.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Rice, G E -- Bevilacqua, M P -- HL 07727/HL/NHLBI NIH HHS/ -- P01 HL36028/HL/NHLBI NIH HHS/ -- New York, N.Y. -- Science. 1989 Dec 8;246(4935):1303-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Pathology, Brigham and Women's Hospital, Boston, MA 02115.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2588007" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antibodies, Monoclonal ; Cell Adhesion/physiology ; Cell Adhesion Molecules/analysis/*physiology ; Colonic Neoplasms/pathology ; Endothelium, Vascular/analysis/*cytology/physiology ; Humans ; Melanoma/*pathology ; Melanoma, Experimental/pathology ; Molecular Weight ; Tumor Cells, Cultured
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 159
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    A novel vasodilatory peptide from the salivary glands of the sand fly Lutzomyia longipalpis (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-01-13
    Description: Salivary gland lysates of the sand fly Lutzomyia longipalpis contain a potent vasodilator that aids the fly to feed on the blood of its vertebrate hosts. Chromatographic analysis, antibody reactivity, and data obtained from bioassays of the salivary erythema-inducing factor indicate striking similarity with human calcitonin gene-related peptide. The erythema-inducing factor is, however, at least one order of magnitude more potent than calcitonin gene-related peptide.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ribeiro, J M -- Vachereau, A -- Modi, G B -- Tesh, R B -- AI18694-0481/AI/NIAID NIH HHS/ -- AI21049/AI/NIAID NIH HHS/ -- New York, N.Y. -- Science. 1989 Jan 13;243(4888):212-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Tropical Public Health, Harvard School of Public Health, Boston, MA 02115.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2783496" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Aorta/drug effects/physiology ; Calcitonin/pharmacology ; Calcitonin Gene-Related Peptide ; Chromatography, High Pressure Liquid ; Diptera ; Erythema ; Humans ; In Vitro Techniques ; Muscle, Smooth, Vascular/drug effects/*physiology ; Neuropeptides/pharmacology ; Rabbits ; Salivary Proteins and Peptides/*isolation & purification/pharmacology ; Vasodilation ; *Vasodilator Agents
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  • 160
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    Normal expression of a rearranged and mutated c-myc oncogene after transfection into fibroblasts (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-10-27
    Description: Expression of the c-myc oncogene is deregulated in a variety of malignancies. Rearrangement and mutation of the c-myc locus is a characteristic feature of human Burkitt's lymphoma. Whether deregulation is solely a result of mutation of c-myc or whether it is influenced by the transformed B cell context has not been determined. A translocated and mutated allele of c-myc was stably transfected into fibroblasts. The rearranged allele was expressed indistinguishably from a normal c-myc gene: it had serum-regulated expression, was transcribed with normal promoter preference, and was strongly attenuated. Thus mutations by themselves are insufficient to deregulate c-myc transcription.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Richman, A -- Hayday, A -- 40364/PHS HHS/ -- GM 07499/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1989 Oct 27;246(4929):494-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Biology Department, Yale University, New Haven, CT 06511.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2683072" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Burkitt Lymphoma/genetics ; Cell Line ; Fibroblasts/metabolism ; Gene Expression Regulation, Neoplastic ; Humans ; Mutation ; Oncogenes/*genetics ; Proto-Oncogene Proteins/biosynthesis/*genetics ; Proto-Oncogene Proteins c-myc ; *Transfection ; Translocation, Genetic
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 161
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    Navy marine mammals (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-02-17
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ridgway, S H -- New York, N.Y. -- Science. 1989 Feb 17;243(4893):875.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2919278" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Dolphins ; Humans ; *Military Science ; *Pinnipedia ; *Seals, Earless ; United States
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  • 162
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    Introduction of human DNA into mouse eggs by injection of dissected chromosome fragments (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-07-14
    Description: A procedure has been developed for introducing exogenous DNA into mouse eggs by injection of chromosome fragments. Chromosome fragments were dissected from human metaphase spreads and microinjected into the pronuclei of fertilized mouse eggs. Many of the injected eggs subsequently exhibited normal pre- and postimplantation development. Embryos obtained from eggs injected with centromeric fragments retained human centromeric DNA as demonstrated by in situ hybridization analysis. From eggs injected with noncentromeric fragments, a mouse was obtained whose tail tissue exhibited the presence of human DNA. This procedure should facilitate incorporation of very large (more than 10 megabases) DNA fragments into cells and embryos without the need for cloned sequences.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Richa, J -- Lo, C W -- New York, N.Y. -- Science. 1989 Jul 14;245(4914):175-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Biology Department, University of Pennsylvania, Philadelphia 19104.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2749254" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Blastocyst ; Cell Line ; Centromere ; *Chromosomes, Human ; DNA/*genetics ; Humans ; Metaphase ; Mice ; *Mice, Transgenic ; Microinjections ; Nucleic Acid Hybridization ; Ovum ; *Transfection
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  • 163
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    Identification of the cystic fibrosis gene: cloning and characterization of complementary DNA (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-09-08
    Description: Overlapping complementary DNA clones were isolated from epithelial cell libraries with a genomic DNA segment containing a portion of the putative cystic fibrosis (CF) locus, which is on chromosome 7. Transcripts, approximately 6500 nucleotides in size, were detectable in the tissues affected in patients with CF. The predicted protein consists of two similar motifs, each with (i) a domain having properties consistent with membrane association and (ii) a domain believed to be involved in ATP (adenosine triphosphate) binding. A deletion of three base pairs that results in the omission of a phenylalanine residue at the center of the first predicted nucleotide-binding domain was detected in CF patients.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Riordan, J R -- Rommens, J M -- Kerem, B -- Alon, N -- Rozmahel, R -- Grzelczak, Z -- Zielenski, J -- Lok, S -- Plavsic, N -- Chou, J L -- DK34944/DK/NIDDK NIH HHS/ -- DK39690/DK/NIDDK NIH HHS/ -- New York, N.Y. -- Science. 1989 Sep 8;245(4922):1066-73.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biochemistry, Hospital for Sick Children, Toronto, Ontario, Canada.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2475911" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Base Sequence ; Biological Transport ; Cloning, Molecular/methods ; Cystic Fibrosis/*genetics/metabolism/pathology ; Cystic Fibrosis Transmembrane Conductance Regulator ; DNA/*isolation & purification ; *Genes ; *Genes, Recessive ; Humans ; Ion Channels/pathology ; Membrane Proteins/*genetics/isolation & purification ; Molecular Sequence Data ; Peptides/*genetics/isolation & purification ; Sequence Homology, Nucleic Acid ; Transcription, Genetic
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  • 164
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    Disease and death in the New World (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-12-08
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Roberts, L -- New York, N.Y. -- Science. 1989 Dec 8;246(4935):1245-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2479984" target="_blank"〉PubMed〈/a〉
    Keywords: Americas/epidemiology ; Disease Outbreaks/*history ; History, 15th Century ; History, 16th Century ; History, 17th Century ; Humans ; Indians, North American/*history ; Indians, South American/*history ; Population
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  • 165
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    Watson versus Japan (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-11-03
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Roberts, L -- New York, N.Y. -- Science. 1989 Nov 3;246(4930):576, 578.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2814484" target="_blank"〉PubMed〈/a〉
    Keywords: Base Sequence ; Costs and Cost Analysis ; DNA/*genetics ; Human Genome Project/*economics ; Humans ; *Information Systems ; *Internationality ; Japan ; United States
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  • 166
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    New game plan for genome mapping (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-09-29
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Roberts, L -- New York, N.Y. -- Science. 1989 Sep 29;245(4925):1438-40.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2781288" target="_blank"〉PubMed〈/a〉
    Keywords: *Base Sequence ; *Chromosome Mapping ; *Chromosomes, Human ; Federal Government ; Humans ; Research Design/standards
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 167
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    Genome mapping goal now in reach (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-04-28
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Roberts, L -- New York, N.Y. -- Science. 1989 Apr 28;244(4903):424-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2717935" target="_blank"〉PubMed〈/a〉
    Keywords: *Base Sequence ; *Chromosome Mapping ; *Chromosomes, Human ; DNA/radiation effects ; DNA Probes ; Fluorescent Dyes ; Humans ; Nucleic Acid Hybridization
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  • 168
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    New chip may speed genome analysis (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-05-12
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Roberts, L -- New York, N.Y. -- Science. 1989 May 12;244(4905):655-6.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2717944" target="_blank"〉PubMed〈/a〉
    Keywords: *Base Sequence ; *Chromosome Mapping ; *Chromosomes, Human ; *Computers ; Dna ; Humans ; Information Systems
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 169
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    Rifkin battles gene transfer experiment (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-02-10
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Roberts, L -- New York, N.Y. -- Science. 1989 Feb 10;243(4892):734.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2916123" target="_blank"〉PubMed〈/a〉
    Keywords: *Genetic Engineering ; Humans ; Jurisprudence ; United States
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  • 170
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    Are neural nets like the human brain? (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-01-27
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Roberts, L -- New York, N.Y. -- Science. 1989 Jan 27;243(4890):481-2.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2911754" target="_blank"〉PubMed〈/a〉
    Keywords: Brain/*physiology ; *Computer Simulation ; *Computers ; Humans ; Neurons/physiology
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  • 171
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    Human gene transfer test approved (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-01-27
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Roberts, L -- New York, N.Y. -- Science. 1989 Jan 27;243(4890):473.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2911753" target="_blank"〉PubMed〈/a〉
    Keywords: Humans ; *Legislation, Medical ; National Institutes of Health (U.S.) ; *Transfection ; United States
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  • 172
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    Pesticides and kids (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-03-10
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Roberts, L -- New York, N.Y. -- Science. 1989 Mar 10;243(4896):1280-1.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2922610" target="_blank"〉PubMed〈/a〉
    Keywords: Child ; *Fruit ; Humans ; Pesticide Residues/*adverse effects ; United States ; *Vegetables
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    Ethical questions haunt new genetic technologies (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-03-03
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Roberts, L -- New York, N.Y. -- Science. 1989 Mar 3;243(4895):1134-6.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2922602" target="_blank"〉PubMed〈/a〉
    Keywords: Abortion, Induced ; *Advisory Committees ; DNA, Recombinant ; *Ethics, Medical ; Federal Government ; Genetic Engineering ; Genetic Markers ; *Genetic Therapy ; Humans ; Legislation, Medical ; National Institutes of Health (U.S.) ; Transfection ; United States
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  • 174
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    Alar: the numbers game (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-03-17
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Roberts, L -- New York, N.Y. -- Science. 1989 Mar 17;243(4897):1430.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2928776" target="_blank"〉PubMed〈/a〉
    Keywords: Humans ; Pesticide Residues/*toxicity ; Risk Factors ; Succinates/*toxicity ; 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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  • 175
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    A corrosive fight over California's toxics law (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-01-20
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Roberts, L -- New York, N.Y. -- Science. 1989 Jan 20;243(4889):306-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2911742" target="_blank"〉PubMed〈/a〉
    Keywords: California ; *Carcinogens ; Environmental Exposure ; Environmental Pollutants/*toxicity ; Ethanol ; Humans ; Legislation as Topic ; Plants, Toxic ; Tobacco
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  • 176
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    Genome project under way, at last (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-01-13
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Roberts, L -- New York, N.Y. -- Science. 1989 Jan 13;243(4888):167-8.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2911730" target="_blank"〉PubMed〈/a〉
    Keywords: *Chromosome Mapping ; *Chromosomes, Human ; *Genes ; Humans ; 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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  • 177
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    Morphogenesis of the polarized epithelial cell phenotype (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-08-18
    Description: Polarized epithelial cells play fundamental roles in the ontogeny and function of a variety of tissues and organs in mammals. The morphogenesis of a sheet of polarized epithelial cells (the trophectoderm) is the first overt sign of cellular differentiation in early embryonic development. In the adult, polarized epithelial cells line all body cavities and occur in tissues that carry out specialized vectorial transport functions of absorption and secretion. The generation of this phenotype is a multistage process requiring extracellular cues and the reorganization of proteins in the cytoplasm and on the plasma membrane; once established, the phenotype is maintained by the segregation and retention of specific proteins and lipids in distinct apical and basal-lateral plasma membrane domains.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Rodriguez-Boulan, E -- Nelson, W J -- GM 35527/GM/NIGMS NIH HHS/ -- GM-34107/GM/NIGMS NIH HHS/ -- HL-37675/HL/NHLBI NIH HHS/ -- etc. -- New York, N.Y. -- Science. 1989 Aug 18;245(4919):718-25.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Cell Biology and Anatomy, Cornell University Medical College, New York, NY 10021.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2672330" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Membrane/physiology ; Embryo, Mammalian ; Epithelial Cells ; Epithelium/*physiology/ultrastructure ; Humans ; Membrane Lipids/physiology ; Membrane Proteins/physiology ; Morphogenesis ; Organelles/physiology ; *Phenotype
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  • 178
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    Information age and overload (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-11-03
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Roe, K E -- New York, N.Y. -- Science. 1989 Nov 3;246(4930):563.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2814480" target="_blank"〉PubMed〈/a〉
    Keywords: Accidents ; Humans ; *Information Systems ; Nuclear Reactors ; Pennsylvania ; Risk Factors
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  • 179
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    Circumsporozoite protein heterogeneity in the human malaria parasite Plasmodium vivax (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-09-01
    Description: Phenotypic heterogeneity in the repetitive portion of a human malaria circumsporozoite (CS) protein, a major target of candidate vaccines, has been found. Over 14% of clinical cases of uncomplicated Plasmodium vivax malaria at two sites in western Thailand produced sporozoites immunologically distinct from previously characterized examples of the species. Monoclonal antibodies to the CS protein of other P. vivax isolates and to other species of human and simian malarias did not bind to these nonreactive sporozoites, nor did antibodies from monkeys immunized with a candidate vaccine made from the repeat portion of a New World CS protein. The section of the CS protein gene between the conserved regions I and II of a nonreactive isolate contained a nonapeptide repeat, Ala-Asn-Gly-Ala-Gly-Asn-Gln-Pro-Gly, identical at only three amino acid positions with published nonapeptide sequences. This heterogeneity implies that a P. vivax vaccine based on the CS protein repeat of one isolate will not be universally protective.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Rosenberg, R -- Wirtz, R A -- Lanar, D E -- Sattabongkot, J -- Hall, T -- Waters, A P -- Prasittisuk, C -- New York, N.Y. -- Science. 1989 Sep 1;245(4921):973-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Entomology, Armed Forces Research Institute of Medical Sciences, Bangkok, Thailand.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2672336" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Antigens, Surface/*genetics ; Base Sequence ; Gene Amplification ; *Genes ; Humans ; Malaria/parasitology ; Molecular Sequence Data ; Phenotype ; Plasmodium vivax/*genetics/growth & development ; *Protozoan Proteins ; Repetitive Sequences, Nucleic Acid ; Sequence Homology, Nucleic Acid
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    Malaria red cell cytoadherence (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-11-24
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Roth, E Jr -- Kaul, D K -- Nagel, R L -- New York, N.Y. -- Science. 1989 Nov 24;246(4933):1051.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2686026" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Adhesion ; Erythrocytes/cytology/*parasitology ; Humans ; Malaria/*blood ; Plasmodium falciparum/pathogenicity
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  • 181
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    Adipsin and complement factor D activity: an immune-related defect in obesity (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-06-23
    Description: Adipsin is a serine protease that is secreted by adipocytes into the bloodstream; it is deficient in several animal models of obesity, representing a striking example of defective gene expression in this disorder. Recombinant mouse adipsin was purified and its biochemical and enzymatic properties were studied in order to elucidate the function of this protein. Activated adipsin has little or no proteolytic activity toward most substrates but has the same activity as human complement factor D, cleaving complement factor B when it is complexed with activated complement component C3. Like authentic factor D, adipsin can activate the alternative pathway of complement, resulting in red blood cell lysis. Decreased (58 to 80 percent) complement factor D activity, relative to lean controls, was observed as a common feature of several experimental models of obesity, including the ob/ob, db/db, and monosodium glutamate (MSG)-injected mouse and the fa/fa rat. These results suggest that adipsin and the alternative pathway of complement may play an unexpected but important role in the regulation of systemic energy balance in vivo.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Rosen, B S -- Cook, K S -- Yaglom, J -- Groves, D L -- Volanakis, J E -- Damm, D -- White, T -- Spiegelman, B M -- DK31403/DK/NIDDK NIH HHS/ -- DK34605/DK/NIDDK NIH HHS/ -- New York, N.Y. -- Science. 1989 Jun 23;244(4911):1483-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Dana-Farber Cancer Institute, Boston, MA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2734615" target="_blank"〉PubMed〈/a〉
    Keywords: Adipose Tissue/metabolism ; Amino Acid Sequence ; Animals ; Cell Line ; Complement Activating Enzymes/*metabolism ; Complement Factor D/*metabolism ; Complement Pathway, Alternative ; Cricetinae ; DNA/genetics ; Gene Expression Regulation ; Humans ; Immunoblotting ; Mice ; Molecular Sequence Data ; Obesity/genetics/*immunology/metabolism ; RNA, Messenger/metabolism ; Recombinant Proteins ; Serine Endopeptidases/genetics/isolation & purification/*metabolism ; Substrate Specificity ; Transfection
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    Identification of the cystic fibrosis gene: chromosome walking and jumping (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-09-08
    Description: An understanding of the basic defect in the inherited disorder cystic fibrosis requires cloning of the cystic fibrosis gene and definition of its protein product. In the absence of direct functional information, chromosomal map position is a guide for locating the gene. Chromosome walking and jumping and complementary DNA hybridization were used to isolate DNA sequences, encompassing more than 500,000 base pairs, from the cystic fibrosis region on the long arm of human chromosome 7. Several transcribed sequences and conserved segments were identified in this cloned region. One of these corresponds to the cystic fibrosis gene and spans approximately 250,000 base pairs of genomic DNA.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Rommens, J M -- Iannuzzi, M C -- Kerem, B -- Drumm, M L -- Melmer, G -- Dean, M -- Rozmahel, R -- Cole, J L -- Kennedy, D -- Hidaka, N -- DK34944/DK/NIDDK NIH HHS/ -- DK39690/DK/NIDDK NIH HHS/ -- N01-CO-74102/CO/NCI NIH HHS/ -- New York, N.Y. -- Science. 1989 Sep 8;245(4922):1059-65.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Genetics, Hospital for Sick Children, Toronto, Ontario, Canada.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2772657" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Base Sequence ; Cattle ; Chickens ; *Chromosome Mapping ; *Chromosomes, Human, Pair 7 ; Cloning, Molecular/methods ; Cricetinae ; Cystic Fibrosis/*genetics ; DNA Probes ; Genes, Overlapping ; *Genes, Recessive ; Genetic Markers ; Humans ; Mice ; Nucleic Acid Hybridization ; Restriction Mapping/methods
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    Some of the tough decisions required by a national health plan (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-11-17
    Description: The goals of providing coverage for everyone in the United States and controlling the growth in national health expenditures require difficult decisions about what medical services to provide. Currently accepted practices vary enormously in the amount of health they produce for a given expenditure. Studies of the health effects of several major interventions in relation to their costs--Pap smears, mammography, coronary care units, bypass surgery, and cholesterol reduction--indicate the kinds of choices to be made.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Russell, L B -- New York, N.Y. -- Science. 1989 Nov 17;246(4932):892-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institute for Health Care Policy, and Aging Research, Rutgers University, New Brunswick, NJ 08903.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2510299" target="_blank"〉PubMed〈/a〉
    Keywords: Cost-Benefit Analysis ; Costs and Cost Analysis ; Humans ; *National Health Insurance, United States/economics ; *Resource Allocation ; United States
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    On radiation, paradigms, and hormesis (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-08-11
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sagan, L A -- New York, N.Y. -- Science. 1989 Aug 11;245(4918):574, 621.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Electric Power Research Institute, Palo Alto, CA 94303.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2669125" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; DNA/radiation effects ; DNA Repair/radiation effects ; Dose-Response Relationship, Radiation ; Humans ; *Radiation Effects ; Radiation Injuries ; Risk Factors
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    Tumor suppressor genes: the puzzle and the promise (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-12-15
    Description: Tumor suppressor genes are wild-type alleles of genes that play regulatory roles in cell proliferation, differentiation, and other cellular and systemic processes. It is their loss or inactivation that is oncogenic. The first evidence of tumor suppressor genes appeared in the early 1970s, but only within the past few years has a wealth of new information illuminated the central importance of these genes. Two or more different suppressor genes may be inactivated in the same tumors, and the same suppressors may be inactive in different tumor types (for example, lung, breast, and colon). The suppressor genes already identified are involved in cell cycle control, signal transduction, angiogenesis, and development, indicating that they contribute to a broad array of normal and tumor-related functions. It is proposed that tumor suppressor genes provide a vast untapped resource for anticancer therapy.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sager, R -- New York, N.Y. -- Science. 1989 Dec 15;246(4936):1406-12.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Division of Cancer Genetics, Dana-Farber Cancer Institute, Boston, MA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2574499" target="_blank"〉PubMed〈/a〉
    Keywords: Alleles ; Animals ; Cell Differentiation ; Cell Division ; Cell Transformation, Neoplastic/genetics ; Chromosome Aberrations ; Cloning, Molecular ; Eye Neoplasms/genetics ; Heterozygote ; Humans ; Hybrid Cells ; Kidney Neoplasms/genetics ; Mutation ; Neoplasms/*genetics ; Oncogene Proteins/genetics ; Phosphoproteins/genetics ; Polymorphism, Restriction Fragment Length ; Retinoblastoma/genetics ; Suppression, Genetic/*genetics ; Tumor Cells, Cultured ; Tumor Suppressor Protein p53 ; Wilms Tumor/genetics
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  • 186
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    Developmental biology of T cell receptors (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-05-26
    Description: T cell receptors are the antigen-recognizing elements found on the effector cells of the immune system. Two isotypes have been discovered, TCR-gamma delta and TCR-alpha beta, which appear in that order during ontogeny. The maturation of prothymocytes that colonize the thymic rudiment at defined gestational stages occurs principally within the thymus, although some evidence for extrathymic maturation also exists. The maturation process includes the rearrangement and expression of the T cell receptor genes. Determination of these mechanisms, the lineages of the cells, and the subsequent thymic selection that results in self-tolerance is the central problem in developmental immunology and is important for the understanding of autoimmune diseases.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Strominger, J L -- New York, N.Y. -- Science. 1989 May 26;244(4907):943-50.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biochemistry and Molecular Biology, Harvard University, Cambridge, MA 02138.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2658058" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antigens, Differentiation, T-Lymphocyte/analysis ; Gene Expression Regulation ; Humans ; Receptors, Antigen, T-Cell/genetics/immunology/*physiology ; T-Lymphocytes/*immunology ; Thymus Gland/embryology/*growth & development/immunology
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    Consensus elusive on Japan's genome plans (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-03-31
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sun, M -- New York, N.Y. -- Science. 1989 Mar 31;243(4899):1656-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2928799" target="_blank"〉PubMed〈/a〉
    Keywords: Autoanalysis ; *Base Sequence ; *Chromosome Mapping ; *Chromosomes, Human ; Humans ; Japan ; Research Support as Topic
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  • 188
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    Fighting the bends in the Indian Ocean (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-06-09
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sun, M -- New York, N.Y. -- Science. 1989 Jun 9;244(4909):1134.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2727698" target="_blank"〉PubMed〈/a〉
    Keywords: *Decompression Sickness ; Humans ; *International Cooperation ; Seychelles ; Ussr ; United States
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  • 189
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    La difference (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-03-24
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Fischer, R -- New York, N.Y. -- Science. 1989 Mar 24;243(4898):1536.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2928786" target="_blank"〉PubMed〈/a〉
    Keywords: Body Composition ; *Energy Metabolism ; Female ; Humans ; Male ; *Sex Factors
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  • 190
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    Finite social space, evolutionary pathways, and reconstructing hominid behavior (1989)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1989-02-17
    Description: Changes in social behavior were a key aspect of human evolution, and yet it is notoriously difficult for paleobiologists to determine patterns of social evolution. By defining the limited number of distributional strategies available to members of each sex of any species and investigating the conditions under which they may occur and change, the social behavior of different hominid taxa may be reconstructed.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Foley, R A -- Lee, P C -- New York, N.Y. -- Science. 1989 Feb 17;243(4893):901-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉University of Cambridge, United Kingdom.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2493158" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Behavior ; *Biological Evolution ; Female ; Haplorhini/genetics ; Hominidae/*genetics ; Humans ; Male ; Models, Genetic ; *Social Behavior
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  • 191
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    Electric and magnetic fields (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-10-27
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Foster, K R -- New York, N.Y. -- Science. 1989 Oct 27;246(4929):431.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2814470" target="_blank"〉PubMed〈/a〉
    Keywords: Electricity/*adverse effects ; Humans ; *Magnetics
    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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  • 192
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    Petition on Dugway facility (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-01-06
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Franklin, N C -- New York, N.Y. -- Science. 1989 Jan 6;243(4887):11-2.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2911712" target="_blank"〉PubMed〈/a〉
    Keywords: Aerosols ; *Biological Warfare ; *Ethics, Professional ; Genetic Engineering ; Government Agencies ; Humans ; 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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  • 193
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    Progress toward human gene therapy (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-06-16
    Description: Current therapies for most human genetic diseases are inadequate. In response to the need for effective treatments, modern molecular genetics is providing tools for an unprecedented new approach to disease treatment through an attack directly on mutant genes. Recent results with several target organs and gene transfer techniques have led to broad medical and scientific acceptance of the feasibility of this "gene therapy" concept for disorders of the bone marrow, liver, and central nervous system; some kinds of cancer; and deficiencies of circulating enzymes, hormones, and coagulation factors. The most well-developed models involve alteration of mutant target genes by gene transfer with recombinant pathogenic viruses in order to express new genetic information and to correct disease phenotypes--the conversion of the swords of pathology into the plowshares of therapy.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Friedmann, T -- New York, N.Y. -- Science. 1989 Jun 16;244(4910):1275-81.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Pediatrics, School of Medicine, University of California, San Diego, La Jolla 92093.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2660259" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Bone Marrow/physiology ; Brain/physiology ; Ethics, Medical ; Gene Expression Regulation ; Genetic Diseases, Inborn ; Genetic Therapy/*methods/trends ; Genetic Vectors ; Humans ; Liver/physiology ; Neoplasms/genetics ; Risk Assessment ; Transfection
    Print ISSN: 0036-8075
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 194
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    Body weight and reproduction (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-10-27
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Frisch, R E -- New York, N.Y. -- Science. 1989 Oct 27;246(4929):432.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2814472" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Animals ; Body Weight/*physiology ; Cricetinae ; Female ; Fertility/*physiology ; Humans ; Mesocricetus
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 195
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    DNA topoisomerase I--targeted chemotherapy of human colon cancer in xenografts (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-11-24
    Description: Drug development is needed to improve chemotherapy of patients with locally advanced or metastatic colon carcinoma, who otherwise have an unfavorable prognosis. DNA topoisomerase I, a nuclear enzyme important for solving topological problems arising during DNA replication and for other cellular functions, has been identified as a principal target of a plant alkaloid 20(S)-camptothecin. Significantly increased concentrations of this enzyme, compared to that in normal colonic mucosa, were found in advanced stages of human colon adenocarcinoma and in xenografts of colon cancer carried by immunodeficient mice. Several synthetic analogs of camptothecin, selected by tests with the purified enzyme and tissue-culture screens, were evaluated in the xenograft model. Unlike other anticancer drugs tested, 20(RS)-9-amino-camptothecin (9-AC) induced disease-free remissions. The overall drug toxicity was low and allowed for repeated courses of treatment.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Giovanella, B C -- Stehlin, J S -- Wall, M E -- Wani, M C -- Nicholas, A W -- Liu, L F -- Silber, R -- Potmesil, M -- CA-11655/CA/NCI NIH HHS/ -- CA-16087/CA/NCI NIH HHS/ -- CA-349636/CA/NCI NIH HHS/ -- etc. -- New York, N.Y. -- Science. 1989 Nov 24;246(4933):1046-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Stehlin Foundation for Cancer Research, St. Joseph Hospital, Houston, TX 77002.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2555920" target="_blank"〉PubMed〈/a〉
    Keywords: Adenocarcinoma/analysis/*drug therapy/enzymology ; Animals ; Antineoplastic Agents/*therapeutic use ; Biomarkers, Tumor/analysis ; Camptothecin/*analogs & derivatives/*therapeutic use/toxicity ; Colonic Neoplasms/analysis/*drug therapy/enzymology ; DNA Topoisomerases, Type I/analysis ; DNA, Neoplasm/analysis ; Drug Design ; Humans ; Intestinal Mucosa/enzymology ; Mice ; Mice, Inbred Strains ; Neoplasm Transplantation ; *Topoisomerase I Inhibitors ; Transplantation, Heterologous
    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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  • 196
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    The RNA processing enzyme RNase MRP is identical to the Th RNP and related to RNase P (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-09-22
    Description: Sera from patients with autoimmune diseases often contain antibodies that bind ribonucleoproteins (RNPs). Sera from 30 such patients were found to immunoprecipitate ribonuclease P (RNase P), an RNP enzyme required to process the 5' termini of transfer RNA transcripts in nuclei and mitochondria of eukaryotic cells. All 30 sera also immunoprecipitated the nucleolar Th RNP, indicating that the two RNPs are structurally related. Nucleotide sequence analysis of the Th RNP revealed it was identical to the RNA component of the mitochondrial RNA processing enzyme known as RNase MRP. Antibodies that immunoprecipitated the Th RNP selectively depleted murine and human cell extracts of RNase MRP activity, indicating that the Th and RNase MRP RNPs are identical. Since RNase P and RNase MRP are not associated with each other during biochemical purification, we suggest that these two RNA processing enzymes share a common autoantigenic polypeptide.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Gold, H A -- Topper, J N -- Clayton, D A -- Craft, J -- AI 26853/AI/NIAID NIH HHS/ -- GM 33088-19/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1989 Sep 22;245(4924):1377-80.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Medicine, Yale University School of Medicine, New Haven, CT 06511.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2476849" target="_blank"〉PubMed〈/a〉
    Keywords: *Autoantigens ; Base Sequence ; Cell Nucleus/enzymology ; *Endoribonucleases/analysis/immunology ; Humans ; Mitochondria/enzymology ; Molecular Sequence Data ; RNA/analysis ; *RNA Processing, Post-Transcriptional ; Ribonuclease P ; *Ribonucleoproteins
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 197
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    Myristoylated and nonmyristoylated forms of a protein are phosphorylated by protein kinase C (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-10-27
    Description: Activation of protein kinase C is thought to require association of the kinase with the cell membrane. It has been assumed that cellular substrates for the kinase must likewise be associated with membranes, and previous studies with membrane-associated myristoylated proteins have supported this view. It is now shown that a mutation that prevents the normal amino-terminal myristoylation of a prominent cellular substrate of protein kinase C, and appears to prevent its membrane association, does not prevent the normal phosphorylation of this protein in intact cells in response to phorbol esters. Thus, membrane association may not be required in order for protein kinase C substrates to undergo phosphorylation.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Graff, J M -- Gordon, J I -- Blackshear, P J -- 2T32-GM 07171/GM/NIGMS NIH HHS/ -- AI27179/AI/NIAID NIH HHS/ -- New York, N.Y. -- Science. 1989 Oct 27;246(4929):503-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Howard Hughes Medical Institute Laboratories, Durham, NC 27710.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2814478" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Cells, Cultured ; Chickens ; Enzyme Activation ; *Intracellular Signaling Peptides and Proteins ; Membrane Proteins/metabolism ; Mutation ; Myristic Acid ; Myristic Acids ; Phosphorylation ; Protein Kinase C/*metabolism ; Proteins/*metabolism ; Substrate Specificity ; Transfection
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 198
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    Fairness in employment testing (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-07-07
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hartigan, J -- Wigdor, A -- New York, N.Y. -- Science. 1989 Jul 7;245(4913):14.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2740906" target="_blank"〉PubMed〈/a〉
    Keywords: *Aptitude Tests ; Civil Rights ; *Employment ; Humans ; Minority Groups ; *Personnel Management ; *Personnel Selection ; 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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  • 199
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    Interleukin-2 receptor beta chain gene: generation of three receptor forms by cloned human alpha and beta chain cDNA's (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-05-05
    Description: Interleukin-2 (IL-2) binds to two distinct receptor molecules, the IL-2 receptor alpha (IL-2R alpha, p55) chain and the newly identified IL-2 receptor beta (IL-2R beta, p70-75) chain. The cDNA encoding the human IL-2R beta chain has now been isolated. The overall primary structure of the IL-2R beta chain shows no apparent homology to other known receptors. Unlike the IL-2R alpha chain, the IL-2R beta chain has a large cytoplasmic region in which a functional domain (or domains) mediating an intracellular signal transduction pathway (or pathways) may be embodied. The cDNA-encoded beta chain binds and internalizes IL-2 when expressed on T lymphoid cells but not fibroblast cells. Furthermore, the cDNA gives rise to the generation of high-affinity IL-2 receptor when co-expressed with the IL-2R alpha chain cDNA.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hatakeyama, M -- Tsudo, M -- Minamoto, S -- Kono, T -- Doi, T -- Miyata, T -- Miyasaka, M -- Taniguchi, T -- New York, N.Y. -- Science. 1989 May 5;244(4904):551-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institute for Molecular and Cellular Biology, Osaka University, Japan.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2785715" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Base Sequence ; *Cloning, Molecular ; Cross-Linking Reagents ; DNA/*genetics/isolation & purification ; Fibroblasts/metabolism ; Gene Expression Regulation ; Humans ; Interleukin-2/metabolism ; Leukemia ; Molecular Sequence Data ; Nucleic Acid Hybridization ; RNA, Messenger/genetics ; Receptors, Interleukin-2/*genetics/metabolism ; Recombinant Proteins ; Sequence Homology, Nucleic Acid ; Signal Transduction ; Succinimides ; T-Lymphocytes/metabolism ; Transfection ; Tumor Cells, Cultured
    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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  • 200
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    Science in court (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-03-31
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Holden, C -- New York, N.Y. -- Science. 1989 Mar 31;243(4899):1658-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2928801" target="_blank"〉PubMed〈/a〉
    Keywords: *Expert Testimony ; Hazardous Substances/*adverse effects ; Humans ; *Jurisprudence
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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