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  • Cell Line  (101)
  • Adult  (58)
  • Gene Expression Regulation
  • American Association for the Advancement of Science (AAAS)  (182)
  • 1980-1984  (182)
  • 1975-1979
  • 1984  (101)
  • 1983  (81)
Collection
Keywords
Publisher
  • American Association for the Advancement of Science (AAAS)  (182)
Years
  • 1980-1984  (182)
  • 1975-1979
Year
  • 1
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    Eye movements of preschool children (1983)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1983-10-07
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉HD-12572/HD/NICHD NIH HHS/ -- MH-00318/MH/NIMH NIH HHS/ -- New York, N.Y. -- Science. 1983 Oct 7;222(4619):74-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6623059" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Age Factors ; Child, Preschool ; *Eye Movements ; Humans ; Research Design
    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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  • 2
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    Gene splicers contemplate the rat brain (1983)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1983-11-18
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Fox, J L -- New York, N.Y. -- Science. 1983 Nov 18;222(4625):828-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6138857" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Brain/*physiology ; DNA, Recombinant ; Gene Expression Regulation ; Nerve Tissue Proteins/*genetics ; Neurotransmitter Agents/*physiology ; Rats
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 3
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    Proviral DNA of a retrovirus, human T-cell leukemia virus, in two patients with AIDS (1983)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1983-05-20
    Description: The acquired immune deficiency syndrome (AIDS) is characterized by T-lymphocyte dysfunction and is frequently accompanied by opportunistic infections and Kaposi's sarcoma. Human T-cell leukemia virus (HTLV) is associated with T-cell malignancies and can transform T lymphocytes in vitro. In an attempt to find evidence of HTLV infection in patients with AIDS, DNA from samples of peripheral blood lymphocytes from 33 AIDS patients was analyzed by Southern blot-hybridization with a radiolabeled cloned HTLV DNA probe. Analysis of DNA from both the fresh (uncultured) lymphocytes and from T cells cultured with T-cell growth factor revealed the presence of integrated HTLV proviral sequences in lymphocytes from two of the patients, both of whom had antibody to HTLV. The proviral sequences could not be detected in blood samples obtained from these individuals at a later date, consistent with the possibility that the population of infected cells had become depleted.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Gelmann, E P -- Popovic, M -- Blayney, D -- Masur, H -- Sidhu, G -- Stahl, R E -- Gallo, R C -- New York, N.Y. -- Science. 1983 May 20;220(4599):862-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6601822" target="_blank"〉PubMed〈/a〉
    Keywords: Acquired Immunodeficiency Syndrome/etiology/immunology/*microbiology ; Adult ; Animals ; Cats ; DNA, Viral/*analysis ; Humans ; Male ; Middle Aged ; *Retroviridae/genetics ; T-Lymphocytes/analysis/microbiology ; Tumor Virus Infections/complications/*microbiology
    Print ISSN: 0036-8075
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  • 4
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    High efficiency DNA-mediated transformation of primate cells (1983)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1983-08-05
    Description: Tissue culture cells from several mammalian species, including three primate lines, were transfected with recombinant vectors carrying Escherichia coli xanthine-guanine phosphoribosyltransferase or Tn5 aminoglycoside phosphotransferase dominant selectable markers. Human HeLa and SV40-transformed xeroderma pigmentosum cells exhibited stable transformation frequencies of at least 10(-3) (0.1 percent). CV-1, an African green monkey kidney cell line, could be stably transformed with the exceptionally high frequency of 6 X 10(-2) (6 percent).〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Gorman, C -- Padmanabhan, R -- Howard, B H -- New York, N.Y. -- Science. 1983 Aug 5;221(4610):551-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6306768" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Avian Sarcoma Viruses/genetics ; Cell Line ; Cercopithecus aethiops ; Cricetinae ; Cricetulus ; DNA, Recombinant/*metabolism ; Genetic Vectors ; HeLa Cells/metabolism ; Humans ; Mice ; Plasmids ; *Transfection
    Print ISSN: 0036-8075
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  • 5
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    Secretion of human interferons by yeast (1983)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1983-02-11
    Description: Plasmids were constructed to direct synthesis of the human interferons IFN-alpha 1, IFN-alpha 2, and IFN-gamma in the yeast Saccharomyces cerevisiae. Expression of IFN genes containing coding sequences for secretion signals resulted in the secretion of IFN activity. A large proportion of the IFN-alpha 1 and IFN-alpha 2 isolated from the yeast cell growth media had the same amino termini as the natural mature interferons, suggesting a removal of the signal sequences identical to that of human cells. These results show that a lower eukaryote, such as yeast, can utilize and process a human signal sequence.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hitzeman, R A -- Leung, D W -- Perry, L J -- Kohr, W J -- Levine, H L -- Goeddel, D V -- New York, N.Y. -- Science. 1983 Feb 11;219(4585):620-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6186023" target="_blank"〉PubMed〈/a〉
    Keywords: Cloning, Molecular ; Gene Expression Regulation ; Humans ; Interferons/*genetics/secretion ; Peptides/physiology ; Plasmids ; Protein Processing, Post-Translational ; Protein Sorting Signals ; RNA Processing, Post-Transcriptional ; Saccharomyces cerevisiae/genetics
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  • 6
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    Modifying oculomotor activity in awake subjects increases the amplitude of eye movements during REM sleep (1983)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1983-06-03
    Description: The eye movements of human subjects were experimentally modified while they were awake to determine the effect of waking experience on electroculographic activity during rapid eye movement (REM) sleep. After normal eye movements were monitored under controlled conditions, subjects spent 5 days wearing goggles that contained minification lenses and that curtailed vision to a 5 degree field. The amplitude and frequency of eye movements decreased when subjects were awake and increased during REM sleep; sleep stage durations and distributions were unaffected. Values returned to normal in the first 24 hours of recovery.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Herman, J H -- Roffwarg, H P -- MH 3414/MH/NIMH NIH HHS/ -- New York, N.Y. -- Science. 1983 Jun 3;220(4601):1074-6.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6844929" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Electrooculography ; *Eye Movements ; Humans ; Oculomotor Muscles/physiology ; Sleep, REM/*physiology ; Wakefulness/*physiology
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  • 7
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    Fragile sites in chromosomes: possible model for the study of spontaneous chromosome breakage (1983)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1983-04-01
    Description: The tissue culture condition that is required for the type of chromosome breakage seen at most fragile sites, namely, the absence of folic acid and thymidine in the medium, greatly enhanced micronucleus formation in proliferating lymphocyte cultures from normal individuals. This suggests that chromosome breakage at fragile sites and the apparently spontaneous damage that gives rise to micronuclei are controlled by the same mechanism.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Jacky, P B -- Beek, B -- Sutherland, G R -- New York, N.Y. -- Science. 1983 Apr 1;220(4592):69-70.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6828880" target="_blank"〉PubMed〈/a〉
    Keywords: Adolescent ; Adult ; Cell Nucleus/drug effects/ultrastructure ; Cells, Cultured ; Child ; *Chromosome Aberrations ; Chromosome Fragile Sites ; *Chromosome Fragility ; Culture Media ; Dose-Response Relationship, Drug ; Female ; Folic Acid/pharmacology ; Humans ; Lymphocytes/ultrastructure ; Male ; Middle Aged ; Thymidine/pharmacology
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  • 8
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    Synthesis of kappa light chains by cell lines containing an 8;22 chromosomal translocation derived from a male homosexual with Burkitt's lymphoma (1983)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1983-12-09
    Description: Three cell lines were derived from a homosexual patient with probable acquired immunodeficiency syndrome and Burkitt's lymphoma. The cell lines produce an unusual strain of Epstein-Barr virus which will both transform cord blood lymphocytes and induce early antigens in Raji cells. Translocations between chromosomes 8 and 22 have occurred in all three lines, but the cells synthesize immunoglobulin M with light chains of the kappa type, in contrast to the usual concordance between a translocation involving chromosome 22 and lambda chain synthesis. Both kappa genes and one lambda gene are rearranged. These findings indicate either that translocation may occur as a separate event from immunoglobulin gene rearrangement or that the proposed hierarchical sequence of immunoglobulin gene rearrangements is not always adhered to. The data also imply that in cells containing a translocation between the long arm of chromosome 8 and a chromosome bearing an immunoglobulin gene, alteration of cellular myc expression may occur regardless of the immunoglobulin gene that is expressed.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Magrath, I -- Erikson, J -- Whang-Peng, J -- Sieverts, H -- Armstrong, G -- Benjamin, D -- Triche, T -- Alabaster, O -- Croce, C M -- New York, N.Y. -- Science. 1983 Dec 9;222(4628):1094-8.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6316501" target="_blank"〉PubMed〈/a〉
    Keywords: Acquired Immunodeficiency Syndrome/complications ; Antigens, Viral/analysis ; Burkitt Lymphoma/complications/*genetics ; Cell Line ; Chromosomes, Human, 21-22 and Y ; Chromosomes, Human, 6-12 and X ; Epstein-Barr Virus Nuclear Antigens ; Herpesvirus 4, Human/analysis ; Homosexuality ; Humans ; Immunoglobulin Light Chains/*biosynthesis ; Immunoglobulin kappa-Chains/*biosynthesis ; Male ; Oncogenes
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  • 9
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    Potential role of galactokinase in neonatal carbohydrate assimilation (1983)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1983-04-15
    Description: Glucose given to the newborn human may result in hyperglycemia, suggesting that its utilization is impaired at this developmental stage. Galactose is thought to be a more appropriate carbohydrate source for the newborn. The enzymes involved in hexose phosphorylation may, in part, be responsible for these observations. A key regulatory enzyme of hepatic glucose assimilation, glucokinase, is diminished in newborns compared to adults, whereas galactokinase activity is increased. When newborn dogs were fasted and then fed either glucose or galactose, their plasma insulin responses to glucose were similar, but the pups fed galactose demonstrated an attenuated systemic appearance rate of glucose. Hexose incorporation into hepatic glycogen and net glycogen synthesis was augmented in the galactose-fed dogs. In vitro, liver from neonatal dogs showed enhanced galactokinase activity relative to that for hexokinase or glucokinase. Neonatal hexose assimilation may be independent of insulin action and, instead, be related to the developmental presence of hexose phosphorylating enzymes.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kliegman, R M -- Miettinen, E L -- Morton, S -- HD05740/HD/NICHD NIH HHS/ -- New York, N.Y. -- Science. 1983 Apr 15;220(4594):302-4.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6836273" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Animals ; Animals, Newborn/metabolism ; *Carbohydrate Metabolism ; Dogs ; Galactokinase/*physiology ; Galactose/metabolism ; Galactosemias ; Glucose/metabolism ; Humans ; Infant, Newborn ; Liver/enzymology ; Liver Glycogen/biosynthesis ; Phosphorylation ; Rats
    Print ISSN: 0036-8075
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  • 10
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    A silent, neutral substitution detected by reverse-phase high-performance liquid chromatography: hemoglobin Beirut (1983)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1983-08-26
    Description: A substitution of alanine for valine at position 126 in the beta-chain of hemoglobin was discovered in a hematologically normal adult male of Lebanese extraction. The variant beta-globin was initially observed and subsequently purified by reverse-phase high-performance liquid chromatography (HPLC). Reverse-phase HPLC was also used to isolate the variant tryptic peptide of beta-T13 that has alanine replacing valine at residue 126. The discovery of hemoglobin Beirut illustrates the usefulness of reverse-phase HPLC for the detection of neutral amino acid substitutions in proteins. The ability to detect neutral substitutions in undigested proteins is pertinent to the monitoring of genetic variation in human populations.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Strahler, J R -- Rosenbloom, B B -- Hanash, S M -- R01-HL25541/HL/NHLBI NIH HHS/ -- New York, N.Y. -- Science. 1983 Aug 26;221(4613):860-2.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6879181" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Chromatography, High Pressure Liquid ; Hemoglobins, Abnormal/genetics/*isolation & purification ; Humans ; Isoelectric Point ; Macromolecular Substances ; Male
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  • 11
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    Effects of serotonin on memory impairments produced by ethanol (1983)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1983-07-29
    Description: Subjects treated with low or high doses of ethanol demonstrated impaired memory, particularly in tests involving the recall of poorly learned information. Zimelidine, an inhibitor of serotonin reuptake, reversed this ethanol-induced impairment. The serotonin neurotransmitter system may mediate learning and memory in humans and may determine some of the effects of alcohol on higher mental functions.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Weingartner, H -- Rudorfer, M V -- Buchsbaum, M S -- Linnoila, M -- New York, N.Y. -- Science. 1983 Jul 29;221(4609):472-4.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6223371" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Brompheniramine/analogs & derivatives/pharmacology ; Ethanol/*adverse effects ; Humans ; Learning/drug effects ; Male ; Memory/drug effects ; Memory Disorders/*chemically induced ; Mental Recall/drug effects ; Serotonin/*physiology ; Serotonin Antagonists/pharmacology ; Zimeldine
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  • 12
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    DNA methylation decreases in aging but not in immortal cells (1983)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1983-06-03
    Description: When normal diploid fibroblasts from mice, hamsters, and humans were grown in culture, the 5-methylcytosine content of their DNA's markedly decreased. The greatest rate of loss of 5-methylcytosine residues was observed in mouse cells, which survived the least number of division. Immortal mouse cell lines had more stable rates of methylation.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wilson, V L -- Jones, P A -- 1-T32-CA09320/CA/NCI NIH HHS/ -- R01-GM30892/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1983 Jun 3;220(4601):1055-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6844925" target="_blank"〉PubMed〈/a〉
    Keywords: 5-Methylcytosine ; *Aging ; Animals ; Cell Division ; Cell Line ; Cricetinae ; Cytosine/analogs & derivatives/metabolism ; DNA/metabolism/*physiology ; Fibroblasts/metabolism ; Humans ; Mesocricetus ; Methylation ; Mice ; Time Factors
    Print ISSN: 0036-8075
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  • 13
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    Bacterial contamination of human tumor samples (1984)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1984-08-17
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉New York, N.Y. -- Science. 1984 Aug 17;225(4663):670-1.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6087452" target="_blank"〉PubMed〈/a〉
    Keywords: Carcinoma, Hepatocellular/genetics ; Cell Line ; DNA, Bacterial ; *DNA, Neoplasm ; DNA, Viral ; Hepatitis B virus/genetics ; Humans ; Liver Neoplasms/genetics ; Oncogenes
    Print ISSN: 0036-8075
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  • 14
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    Biotechnology as an intellectual property (1984)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1984-04-27
    Description: Recent advances in biotechnology have created many public policy and legal issues, one of the most significant of which is the treatment of biotechnological industrial products, particularly under the patent system. Patents represent one of several types of intellectual property; their ownership confers the right to exclude others from benefitting from the tangible products of a proprietary subject matter. Intellectual property law and its protections will play a major role in the rate at which biotechnology develops in the United States. In this article biotechnological intellectual property issues are reviewed in the context of their underlying legal requirements. The implications of other factors, such as international competition, research funding, and gene ownership, are also considered.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Adler, R G -- New York, N.Y. -- Science. 1984 Apr 27;224(4647):357-63.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6584975" target="_blank"〉PubMed〈/a〉
    Keywords: *Biomedical Research ; Cell Line ; Copyright ; DNA, Recombinant ; Economic Competition ; Federal Government ; *Genetic Engineering ; *Genetics, Microbial ; Government Regulation ; Legislation as Topic ; Ownership ; *Patents as Topic ; Research ; *Technology ; United States ; as a question of intellectual property rights. Attention is focused on the major ; role played by the U.S. patent system in establishing such rights, as illustrated ; by the case of products of recombinant DNA research. Trade secret, copyright, and ; trademark protections are also considered, as are policy issues such as ; international competition in the development of biomedical technologies and ; financing arrangements.
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  • 15
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    Prospects for human gene therapy (1984)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1984-10-26
    Description: Procedures have now been developed for inserting functional genes into the bone marrow of mice. The most effective delivery system at present uses retroviral-based vectors to transfer a gene into murine bone marrow cells in culture. The genetically altered bone marrow is then implanted into recipient animals. These somatic cell gene therapy techniques are becoming increasingly efficient. Their future application in humans should result in at least partial correction of a number of genetic disorders. However, the safety of the procedures must still be established by further animal studies before human clinical trials would be ethical.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Anderson, W F -- New York, N.Y. -- Science. 1984 Oct 26;226(4673):401-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6093246" target="_blank"〉PubMed〈/a〉
    Keywords: Animal Experimentation ; Bone Marrow ; Containment of Biohazards ; DNA Viruses/genetics ; *DNA, Recombinant ; Ethics Committees, Research ; Ethics, Medical ; Federal Government ; Gene Expression Regulation ; *Genes ; Genetic Diseases, Inborn/*therapy ; *Genetic Engineering ; Genetic Vectors ; Government Regulation ; Humans ; Microinjections ; Operon ; Plasmids ; Retroviridae/genetics ; Risk Assessment ; Skin ; Transcription, Genetic ; future clinical trials in humans are being debated among scientists and policy ; makers. Anderson, chief of the Laboratory of Molecular Hematology at the National ; Heart, Lung, and Blood Institute, examines how soon gene therapy might be ; available for the treatment of diseases in humans, and what criteria should be ; met before experimentation with human subjects begins. He identifies delivery, ; gene expression, and safety as the three requisites that must be satisfied, and ; reviews the animal work that has been done in these areas. Human trials should ; begin only after more animal studies have demonstrated to local and federal ; review committees that gene therapy is safe and offers the possibility of benefit ; to patients.
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  • 16
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    Stress hormones: their interaction and regulation (1984)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1984-05-04
    Description: Stress stimulates several adaptive hormonal responses. Prominent among these responses are the secretion of catecholamines from the adrenal medulla, corticosteroids from the adrenal cortex, and adrenocorticotropin from the anterior pituitary. A number of complex interactions are involved in the regulation of these hormones. Glucocorticoids regulate catecholamine biosynthesis in the adrenal medulla and catecholamines stimulate adrenocorticotropin release from the anterior pituitary. In addition, other hormones, including corticotropin-releasing factor, vasoactive intestinal peptide, and arginine vasopressin stimulate while the corticosteroids and somatostatin inhibit adrenocorticotropin secretion. Together these agents appear to determine the complex physiologic responses to a variety of stressors.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Axelrod, J -- Reisine, T D -- New York, N.Y. -- Science. 1984 May 4;224(4648):452-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6143403" target="_blank"〉PubMed〈/a〉
    Keywords: Adenylyl Cyclases/metabolism ; Adrenal Cortex/metabolism ; Adrenal Medulla/metabolism ; Adrenocorticotropic Hormone/*metabolism ; Animals ; Brain/metabolism ; Catecholamines/*metabolism ; Cell Line ; Corticotropin-Releasing Hormone/metabolism ; Cyclic AMP/metabolism ; Glucocorticoids/*metabolism ; Humans ; Phospholipases A/metabolism ; Pituitary Gland, Anterior/metabolism ; Receptors, Adrenergic, alpha/metabolism ; Receptors, Adrenergic, beta/metabolism ; Receptors, Cell Surface/metabolism ; Receptors, Corticotropin-Releasing Hormone ; Receptors, Somatostatin ; Somatostatin/pharmacology ; Stress, Physiological/*metabolism ; Stress, Psychological/metabolism ; Sympathetic Nervous System/metabolism ; Vasoactive Intestinal Peptide/pharmacology ; Vasopressins/pharmacology
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 17
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    Regulation of a hybrid gene by glucose and temperature in hamster fibroblasts (1984)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1984-10-12
    Description: A novel eukaryotic hybrid gene has been constructed from the 5' sequence of a rat gene and the bacterial neomycin-resistance gene. After transfection into hamster fibroblasts, the neo transcripts can be induced to high levels by the absence of glucose. Furthermore, this hybrid gene can be regulated by temperature when it is introduced into a temperature-sensitive mutant cell line.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Attenello, J W -- Lee, A S -- CA-27607/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1984 Oct 12;226(4671):187-90.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6484570" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Line ; Cricetinae ; DNA, Recombinant ; Drug Resistance, Microbial ; Fibroblasts ; *Gene Expression Regulation ; Genes, Bacterial ; *Genes, Regulator ; Glucose/*pharmacology ; *HSP70 Heat-Shock Proteins ; Membrane Proteins/biosynthesis/*genetics ; Mutation ; Neomycin/pharmacology ; Rats ; Temperature ; Transcription, Genetic ; Transfection
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  • 18
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    T-cell growth factor gene: lack of expression in human T-cell leukemia-lymphoma virus-infected cells (1984)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1984-03-09
    Description: Activated mature T cells require T-cell growth factor (TCGF) for continuous proliferation. However, many mature T cells infected with human T-cell leukemia-lymphoma virus grow independently of exogenously added TCGF. It is now reported that cells infected with this virus also lack detectable TCGF messenger RNA (less than one copy per cell) and thus do not produce their own growth factor. The results apparently rule out an autostimulation mechanism of growth control.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Arya, S K -- Wong-Staal, F -- Gallo, R C -- New York, N.Y. -- Science. 1984 Mar 9;223(4640):1086-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6320374" target="_blank"〉PubMed〈/a〉
    Keywords: Cell Line ; Deltaretrovirus/*physiology ; *Gene Expression Regulation/drug effects ; Humans ; Interferon-gamma/genetics ; Interleukin-2/*genetics ; Phytohemagglutinins/pharmacology ; RNA, Messenger/*genetics ; T-Lymphocytes/metabolism/*microbiology ; Tetradecanoylphorbol Acetate/pharmacology
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  • 19
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    Event-related brain potentials in boys at risk for alcoholism (1984)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1984-09-28
    Description: Recent neurophysiological findings have demonstrated that abstinent chronic alcoholics manifest deficits in event-related brain potentials. To explore possible biological antecedents of alcoholism the present study examined boys at high risk for alcoholism. Event-related brain potentials were recorded from biological sons of alcoholic fathers and matched control boys. Differences in the P3 component of the potentials were obtained between the high-risk and control subjects.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Begleiter, H -- Porjesz, B -- Bihari, B -- Kissin, B -- AA 05524/AA/NIAAA NIH HHS/ -- New York, N.Y. -- Science. 1984 Sep 28;225(4669):1493-6.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6474187" target="_blank"〉PubMed〈/a〉
    Keywords: Adolescent ; Adult ; Alcoholism/*genetics/physiopathology ; Analysis of Variance ; Brain/*physiopathology ; Child ; Evoked Potentials ; Fathers ; Humans ; Male ; Memory Disorders/etiology ; Risk
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  • 20
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    Functional expression of a cloned I-A beta k gene in B-lymphoma cells (1984)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1984-02-24
    Description: The immune response genes of the mouse encode two cell-surface glycoproteins, I-A and I-E, that play critical roles in determining the animal's immune responsiveness. The I-A antigen contains two chains, alpha and beta. A cloned beta-chain gene, I-A beta k, was introduced into B-lymphoma cells that express I-Ad. The transfected gene was successfully expressed on the cell surface of the recipient cells and was functional in stimulating allospecific T cells.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ben-Nun, A -- Glimcher, L H -- Weis, J -- Seidman, J G -- AI18436/AI/NIAID NIH HHS/ -- New York, N.Y. -- Science. 1984 Feb 24;223(4638):825-8.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6420890" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; B-Lymphocytes/*physiology ; Cloning, Molecular ; Gene Expression Regulation ; *Genes, MHC Class II ; Heterozygote ; Lymphocyte Cooperation ; Lymphoma ; Macromolecular Substances ; Mice ; T-Lymphocytes/physiology ; Transfection ; Transformation, Genetic
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  • 21
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    Studying promoters and terminators by gene fusion (1983)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1983-11-18
    Description: Prokaryotic gene control signals can be isolated, compared, and characterized by precise fusion in vitro to the Escherichia coli galactokinase gene (galK), which provides both a simple assay and genetic selection. This recombinant galK fusion vector system was applied to the study of promoters and terminators recognized by the Escherichia coli RNA polymerase. Three promoters created by mutation from DNA sequences having no promoter function were characterized. Mutations that inactivate promoter function were selected, structurally defined, and functionally analyzed. Similarly, transcription termination was examined, and mutations affecting terminator function were isolated and characterized.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Rosenberg, M -- Chepelinsky, A B -- McKenney, K -- New York, N.Y. -- Science. 1983 Nov 18;222(4625):734-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6356355" target="_blank"〉PubMed〈/a〉
    Keywords: Base Sequence ; DNA, Bacterial/*genetics ; DNA, Recombinant ; DNA-Directed RNA Polymerases/genetics ; Escherichia coli/genetics ; Galactokinase/genetics ; Gene Expression Regulation ; Mutation ; Nucleic Acid Conformation ; *Operon ; *Transcription, Genetic
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  • 22
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    Identification of DNA sequence responsible for 5-bromodeoxyuridine-induced gene amplification (1984)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1984-08-31
    Description: Bromodeoxyuridine (BrdUrd) treatment of the prolactin nonproducing subclone of GH cells (rat pituitary tumor cells) induces amplification of a 20-kilobase DNA fragment including all of the prolactin gene coding sequences. This amplified DNA segment, which is flanked by two unamplified regions, thus designates a unit of BrdUrd-induced amplified sequence. Cloned DNA segments, 10.3 kilobases long, from the 5' end of the rat prolactin gene of BrdUrd-responsive and -nonresponsive cells, were ligated to the thymidine kinase gene of herpes simplex virus type 1 (HSV1TK), and the hybrid DNA was transferred to thymidine kinase-deficient mouse fibroblast cells by transfection. The HSV1TK gene and the rat prolactin gene were amplified together in drug-treated transfectants carrying the hybrid DNA HSV1TK gene and rat prolactin gene of BrdUrd-responsive GH cells. These results suggest that the 10.3-kilobase DNA segment at the 5' end of the rat prolactin gene of BrdUrd-responsive GH cells carries the information for drug-induced gene amplification (amplicon) and that another gene, such as the HSV1TK gene, is also amplified when the latter is placed adjacent to this segment.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Biswas, D K -- Hartigan, J A -- Pichler, M H -- CA28218/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1984 Aug 31;225(4665):941-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6089335" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Base Sequence ; Bromodeoxyuridine/*pharmacology ; Cell Line ; Cloning, Molecular ; DNA/*genetics ; DNA, Recombinant ; *Gene Amplification ; Genes, Viral ; Mice ; Prolactin/genetics ; Rats ; Simplexvirus/genetics ; Thymidine Kinase/genetics ; Transfection
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  • 23
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    Insulin receptor: evidence that it is a protein kinase (1983)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1983-01-21
    Description: Highly purified preparations of insulin receptor catalyzed the phosphorylation of the 95,000-dalton subunit of the insulin receptor. This subunit of the insulin receptor was also labeled with [alpha-32P]8-azidoadenosine 5'-triphosphate, a photoaffinity label for adenosine triphosphate binding sites. The identity of the 95,000-dalton band was confirmed in both cases by precipitation with a monoclonal antibody to the insulin receptor. These results suggest that the insulin receptor is itself a protein kinase.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Roth, R A -- Cassell, D J -- New York, N.Y. -- Science. 1983 Jan 21;219(4582):299-301.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6849137" target="_blank"〉PubMed〈/a〉
    Keywords: Adenosine Triphosphate/metabolism ; Cell Line ; Cells, Cultured ; Lymphocytes ; Molecular Weight ; Phosphoproteins/physiology ; Protein Kinases/*physiology ; Receptor, Insulin/*physiology
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  • 24
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    Urinary phenyl acetate: a diagnostic test for depression? (1983)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1983-06-10
    Description: The compound 2-phenylethylamine is an "endogenous amphetamine" which may modulate central adrenergic functions. 2-Phenylethylamine is mainly metabolized by monoamine oxidase to form phenyl acetate (PAA). The 24-hour urinary excretion of PAA was measured in normal healthy volunteers and depressed patients. Patients were diagnosed according to the Diagnostic and Statistical Manual of Mental Disorders, edition 3. In 70 percent of healthy volunteers of both sexes, the excretion of PAA ranged between 70 and 175 milligrams per 24 hours (mean = 141.1 +/- 10.2). Inpatients with major depressive disorder (unipolar type) (N = 31) excreted less PAA (68.7 +/- 7.0 milligrams per 24 hours) and 55 percent of them excreted less than 70 milligrams per 24 hours; there were no significant differences in the PAA excretion between untreated patients (N = 13) and those treated with antidepressants that were not effective (N = 18). The PAA excretion was reduced to a lesser extent in 35 less severely depressed unipolar outpatients (drug-free for 1 week) (86.3 +/- 11.8 milligrams per 24 hours). These results suggest that low PAA urinary excretion may be a reliable state marker for the diagnosis of some forms of unipolar major depressive disorders.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sabelli, H C -- Fawcett, J -- Gusovsky, F -- Javaid, J -- Edwards, J -- Jeffriess, H -- New York, N.Y. -- Science. 1983 Jun 10;220(4602):1187-8.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6857245" target="_blank"〉PubMed〈/a〉
    Keywords: Adolescent ; Adult ; Aged ; Antidepressive Agents/pharmacology ; Depressive Disorder/*diagnosis/urine ; Female ; Humans ; Male ; Middle Aged ; Phenethylamines/metabolism/physiology ; Phenylacetates/*urine
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  • 25
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    Expression of streptococcal M protein in Escherichia coli (1983)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1983-08-19
    Description: The structural gene for group A streptococcal M protein, the fibrillar surface molecule enabling the organism to resist phagocytosis, has been cloned into Escherichia coli. The molecule produced by Escherichia coli is slightly larger than the M protein isolated by solubilization of the streptococcal cell wall, but is similar in size to that secreted by streptococcal protoplast and L forms. Immunologically, the molecule synthesized by Escherichia coli has the same type-specific determinants as the streptococcal M protein.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Scott, J R -- Fischetti, V A -- AI11822/AI/NIAID NIH HHS/ -- RR05364/RR/NCRR NIH HHS/ -- New York, N.Y. -- Science. 1983 Aug 19;221(4612):758-60.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6192499" target="_blank"〉PubMed〈/a〉
    Keywords: *Antigens, Bacterial ; *Bacterial Outer Membrane Proteins ; Bacterial Proteins/*genetics/immunology ; *Carrier Proteins ; Cloning, Molecular ; Epitopes ; Escherichia coli/*genetics ; Gene Expression Regulation ; Molecular Weight
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  • 26
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    Herpes simplex virus glycoprotein D: human monoclonal antibody produced by bone marrow cell line (1983)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1983-07-08
    Description: Normal bone marrow cells from a donor positive for herpes simplex virus were transformed with Epstein-Barr virus. The resulting lymphoblastoid cell line has secreted immunoglobulin G1 of the kappa type continuously for 2 years. This immunoglobulin, detected both on the cell surface and in the cytoplasm, reacts with cells infected with herpes simplex virus. It defines an antigen that comigrates with the 55-kilodalton glycoprotein D of herpes simplex virus type 1 and neutralizes the infectivity of herpes simplex viruses 1 and 2.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Seigneurin, J M -- Desgranges, C -- Seigneurin, D -- Paire, J -- Renversez, J C -- Jacquemont, B -- Micouin, C -- New York, N.Y. -- Science. 1983 Jul 8;221(4606):173-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6304881" target="_blank"〉PubMed〈/a〉
    Keywords: Aged ; Antibodies, Monoclonal/*immunology ; B-Lymphocytes/immunology ; Bone Marrow/*immunology ; Bone Marrow Cells ; Cell Line ; Enzyme-Linked Immunosorbent Assay ; Humans ; Immunoglobulin G/immunology ; Simplexvirus/*immunology ; Viral Envelope Proteins ; Viral Proteins/*immunology
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  • 27
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    Altered transcription of the c-abl oncogene in K-562 and other chronic myelogenous leukemia cells (1984)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1984-07-06
    Description: Expression of the cellular abl (c- abl ) oncogene was studied in K-562 and other chronic myelogenous leukemia (CML) cells and cell lines by means of Northern blot hybridization. In contrast to non-CML cells, which contained 7.4- and 6.8-kilobase abl -related transcripts, the CML cells contained a predominant and novel 8.2-kilobase abl -related RNA. In addition, the levels of abl -related message were up to eight times higher in CML cell lines from patients at the blast crisis stage of the disease compared with CML cells obtained during the chronic phase and with non-CML cells.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Collins, S J -- Kubonishi, I -- Miyoshi, I -- Groudine, M T -- New York, N.Y. -- Science. 1984 Jul 6;225(4657):72-4.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6587568" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Line ; Chromosomes, Human, 21-22 and Y ; Chromosomes, Human, 6-12 and X ; DNA, Neoplasm/genetics ; Humans ; Leukemia, Myeloid/*genetics ; Mice ; Nucleic Acid Hybridization ; *Oncogenes ; RNA, Messenger/genetics ; *Transcription, Genetic
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  • 28
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    Indoor air pollution: a public health perspective (1983)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1983-07-01
    Description: Although official efforts to control air pollution have traditionally focused on outdoor air, it is now apparent that elevated contaminant concentrations are common inside some private and public buildings. Concerns about potential public health problems due to indoor air pollution are based on evidence that urban residents typically spend more than 90 percent of their time indoors, concentrations of some contaminants are higher indoors than outdoors, and for some pollutants personal exposures are not characterized adequately by outdoor measurements. Among the more important indoor contaminants associated with health or irritation effects are passive tobacco smoke, radon decay products, carbon monoxide, nitrogen dioxide, formaldehyde, asbestos fibers, microorganisms, and aeroallergens. Efforts to assess health risks associated with indoor air pollution are limited by insufficient information about the number of people exposed, the pattern and severity of exposures, and the health consequences of exposures. An overall strategy should be developed to investigate indoor exposures, health effects, control options, and public policy alternatives.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Spengler, J D -- Sexton, K -- ES-01108/ES/NIEHS NIH HHS/ -- New York, N.Y. -- Science. 1983 Jul 1;221(4605):9-17.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6857273" target="_blank"〉PubMed〈/a〉
    Keywords: Adolescent ; Adult ; Air Microbiology ; Air Pollution/*adverse effects/prevention & control ; Air Pollution, Radioactive/adverse effects ; Asbestos/adverse effects ; Carbon Monoxide/adverse effects ; Child ; Construction Materials/adverse effects ; Formaldehyde/adverse effects ; Fuel Oils/adverse effects ; Household Articles ; Humans ; Public Policy ; Radon/adverse effects ; Smoke/adverse effects ; Smoking ; Tobacco Smoke Pollution/adverse effects ; Ventilation
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  • 29
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    Bovine x mouse hybridomas that secrete bovine immunoglobulin G1 (1983)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1983-04-29
    Description: The interspecific fusion of normal bovine lymphocytes with a nonsecreting mouse hybridoma produced stable cell lines secreting bovine immunoglobulins. One of these lines has continued to secrete immunoglobulin G1 (5 to 10 micrograms per milliliter) for over 16 months. The bovine x mouse hybrid cells can be expected to provide bovine monoclonal immunoglobulins for sequencing studies and for use as serological standards as well as to provide messenger RNA for cloning bovine immunoglobulin genes.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Srikumaran, S -- Guidry, A J -- Goldsby, R A -- New York, N.Y. -- Science. 1983 Apr 29;220(4596):522-4.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6403985" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antibodies, Monoclonal/biosynthesis ; Cattle ; Cell Line ; Hybridomas/*immunology ; Immunoglobulin G/*biosynthesis/immunology/isolation & purification ; Immunoglobulin Heavy Chains/immunology ; Immunoglobulin Light Chains/immunology ; Immunoglobulin M/immunology ; Mice ; Radioimmunoassay
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  • 30
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    Serological visualization of interleukin 2 (1983)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1983-06-10
    Description: Interleukin 2, a lymphokine that acts as a second signal of cellular immune response by way of its action as a T-cell growth factor, was morphologically identified by immunoperoxidase staining. With the use of a monoclonal antibody to interleukin 2 and several complex-forming antisera, the lymphokine was readily distinguished in cytocentrifuge preparations of peripheral blood leukocytes stimulated with a T-cell mitogen. When preparations of cloned interleukin 2 producer and responder cells were stained by the same procedures, discrete patterns of both responder and producer cell phenotypes were revealed. Interleukin 2 producer T cells exhibited a characteristic intense, ringlike cytoplasmic staining, whereas the responder cells (as exemplified by interleukin 2-dependent cell lines) exhibited a less intensive, spotlike membrane staining. In addition, intense membrane localization of interleukin 2, reminiscent of potential capping phenomena, could be observed in stained preparations of cloned responder cells.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Steinmann, G -- Conlon, P -- Hefeneider, S -- Gillis, S -- New York, N.Y. -- Science. 1983 Jun 10;220(4602):1188-90.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6344215" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antibodies, Monoclonal/immunology ; Cell Line ; Humans ; Immunoenzyme Techniques ; Interleukin-2/*physiology ; Leukocytes/physiology ; Mice ; T-Lymphocytes/physiology
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  • 31
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    Increased sensitivity of lymphocytes from people over 65 to cell cycle arrest and chromosomal damage (1983)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1983-03-18
    Description: Flow cytometry revealed that, in the presence of tritiated thymidine, a greater percentage of phytohemagglutinin-stimulated lymphocytes from old human donors were arrested in the G2 or M phase than were cells from young donors. Furthermore, lymphocytes from old donors showed significantly more chromosomal damage than did lymphocytes from young donors. Lymphocyte cultures from old or young donors not exposed to tritiated thymidine had the same percentage of cycling lymphocytes in G2 or M, although the number of lymphocytes stimulated by phytohemagglutinin to enter the cell cycle was significantly lower in cultures from old donors. Thus, the impaired incorporation of tritiated thymidine by phytohemagglutinin-exposed lymphocytes from old humans reflects both an impaired proliferative response to phytohemagglutinin and an increased sensitivity to the radiobiological effects of tritiated thymidine.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Staiano-Coico, L -- Darzynkiewicz, Z -- Hefton, J M -- Dutkowski, R -- Darlington, G J -- Weksler, M E -- New York, N.Y. -- Science. 1983 Mar 18;219(4590):1335-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6828861" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Aged ; *Aging ; Cell Cycle/*radiation effects ; Chromosomes/*radiation effects/ultrastructure ; DNA Repair/radiation effects ; Humans ; Middle Aged ; Thymidine/adverse effects ; Tritium
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  • 32
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    Reinitiation of growth in senescent mouse mammary epithelium in response to cholera toxin (1984)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1984-06-15
    Description: Several lines of mouse mammary tissue that had been serially transplanted until mitotic senescence was reached were exposed in vivo to plastic implants that slowly released cholera toxin. Gland tissue surrounding the implants displayed new end buds, indicating reinitiation of growth and morphogenesis. The ability of cholera toxin, which elevates intracellular adenosine 3',5'-monophosphate, to temporarily reverse the senescent phenotype suggests that this mitotic dysfunction results not from generalized cellular deterioration but from specific changes in cell regulation.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Daniel, C W -- Silberstein, G B -- Strickland, P -- 1050/PHS HHS/ -- New York, N.Y. -- Science. 1984 Jun 15;224(4654):1245-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6328652" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Division/*drug effects ; Cell Line ; Cholera Toxin/*pharmacology ; Cyclic AMP/physiology ; DNA/biosynthesis ; Epithelium/drug effects ; Female ; Fibroblasts/drug effects ; Humans ; Mammary Glands, Animal/*drug effects ; Mice ; Mice, Inbred BALB C ; Mitosis/drug effects
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    A new type D retrovirus isolated from macaques with an immunodeficiency syndrome (1984)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1984-02-10
    Description: Macaque monkeys with the recently described acquired immunodeficiency syndrome show a marked defect in T-lymphocyte function and die with opportunistic infections and lymphoproliferative abnormalities. In the study described here a new type D retrovirus was isolated from two Macaca cyclopis with this syndrome. This virus is related to, but distinct from, Mason-Pfizer monkey virus, a type D retrovirus previously isolated from a mammary tumor of a rhesus monkey (Macaca mulatta).〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Daniel, M D -- King, N W -- Letvin, N L -- Hunt, R D -- Sehgal, P K -- Desrosiers, R C -- R01-A1 20729/PHS HHS/ -- RR00168/RR/NCRR NIH HHS/ -- New York, N.Y. -- Science. 1984 Feb 10;223(4636):602-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6695172" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Burkitt Lymphoma ; Cell Line ; Humans ; Immunologic Deficiency Syndromes/*microbiology ; Macaca ; Nucleic Acid Hybridization ; Retroviridae/genetics/immunology/*isolation & purification
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    Nucleotide sequence of a human Blym transforming gene activated in a Burkitt's lymphoma (1984)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1984-08-03
    Description: The nucleotide sequence of a human Blym-1 transforming gene activated in a Burkitt's lymphoma cell line was determined. This sequence predicts a small protein of 58 amino acids that is 33 percent identical to the predicted product of chicken Blym-1, the activated transforming gene of chicken B cell lymphomas. Both the human and chicken Blym-1 genes exhibit significant identity to an amino-terminal region of transferrins.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Diamond, A -- Devine, J M -- Cooper, G M -- CA 07250/CA/NCI NIH HHS/ -- CA 28946/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1984 Aug 3;225(4661):516-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6330897" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Base Sequence ; Burkitt Lymphoma/*genetics ; Cell Line ; *Cell Transformation, Neoplastic ; DNA Restriction Enzymes ; Humans ; *Oncogenes ; Structure-Activity Relationship ; Transcription, Genetic ; Transferrin/genetics
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  • 35
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    Haploid expression of a mouse testis alpha-tubulin gene (1984)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1984-04-06
    Description: A complementary DNA clone for an alpha-tubulin has been isolated from a mouse testis complementary DNA library. The untranslated 3' end of this complementary DNA is homologous to two RNA transcripts present in postmeiotic cells of the testis but absent from meiotic cells and from several tissues including brain. The temporal expression of this alpha-tubulin complementary DNA provides evidence for the haploid expression of a mammalian structural gene.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Distel, R J -- Kleene, K C -- Hecht, N B -- GM 29224/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1984 Apr 6;224(4644):68-70.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6701535" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Brain/metabolism ; Cloning, Molecular ; DNA/genetics ; Drosophila ; Gene Expression Regulation ; Haploidy ; Male ; Mice ; Nucleic Acid Hybridization ; Rats ; Spermatids/metabolism ; Spermatogenesis ; Spermatozoa/physiology ; Testis/*metabolism ; Tubulin/*genetics
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    Smell identification ability: changes with age (1984)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1984-12-21
    Description: Smell identification ability was measured in 1955 persons ranging in age from 5 to 99 years. On the average, women outperformed men at all ages, and nonsmokers outperformed smokers. Peak performance occurred in the third through fifth decades and declined markedly after the seventh. More than half of those 65 to 80 years old evidenced major olfactory impairment. After 80 years, more than three-quarters evidenced major impairment. Given these findings, it is not surprising that many elderly persons complain that food lacks flavor and that the elderly account for a disproportionate number of accidental gas poisoning cases each year.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Doty, R L -- Shaman, P -- Applebaum, S L -- Giberson, R -- Siksorski, L -- Rosenberg, L -- NS 16265/NS/NINDS NIH HHS/ -- New York, N.Y. -- Science. 1984 Dec 21;226(4681):1441-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6505700" target="_blank"〉PubMed〈/a〉
    Keywords: Adolescent ; Adult ; Aged ; *Aging ; Child ; Child, Preschool ; Female ; Humans ; Male ; Middle Aged ; Sensory Thresholds ; Sex Factors ; Smell/*physiology ; Smoking
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    Coronary arteries of cardiac patients are hyperreactive and contain stores of amines: a mechanism for coronary spasm (1984)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1984-03-30
    Description: Coronary arteries from hearts of cardiac patients contain significantly higher concentrations of histamine than do those from noncardiac patients. The coronary vessels of cardiac patients are also hyperresponsive to histamine and serotonin. These differences between groups of patients suggest an explanation for coronary artery spasm in heart disease.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kalsner, S -- Richards, R -- New York, N.Y. -- Science. 1984 Mar 30;223(4643):1435-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6701530" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Aged ; Animals ; Arteriosclerosis/physiopathology ; Catecholamines/analysis ; Cattle ; Coronary Vasospasm/*physiopathology ; Coronary Vessels/analysis/drug effects/*physiopathology ; Female ; Histamine/*analysis/pharmacology ; Humans ; Male ; Middle Aged ; Norepinephrine/pharmacology ; Serotonin/analysis/pharmacology
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    JC virus enhancer-promoter active in human brain cells (1984)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1984-12-14
    Description: A human papovavirus, JCV, is the etiologic agent of the fatal demyelinating disease, progressive multifocal leukoencephalopathy. The JCV 98-base-pair tandem repeats, located to the late side of the viral replication origin, were shown to be a transcriptional regulatory element with enhancer-like activity in human fetal glial cells. These tandem repeats share significant homology with the 82-nucleotide rat brain-specific identifier RNA sequence.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kenney, S -- Natarajan, V -- Strike, D -- Khoury, G -- Salzman, N P -- New York, N.Y. -- Science. 1984 Dec 14;226(4680):1337-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6095453" target="_blank"〉PubMed〈/a〉
    Keywords: Base Sequence ; Brain/*microbiology ; Fetus ; Gene Amplification ; Gene Expression Regulation ; Genes, Viral ; Humans ; JC Virus/*genetics ; Neuroglia/microbiology ; *Operon ; Polyomavirus/*genetics
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  • 39
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    Frequent detection and isolation of cytopathic retroviruses (HTLV-III) from patients with AIDS and at risk for AIDS (1984)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1984-05-04
    Description: Peripheral blood lymphocytes from patients with the acquired immunodeficiency syndrome (AIDS) or with signs or symptoms that frequently precede AIDS (pre-AIDS) were grown in vitro with added T-cell growth factor and assayed for the expression and release of human T-lymphotropic retroviruses (HTLV). Retroviruses belonging to the HTLV family and collectively designated HTLV-III were isolated from a total of 48 subjects including 18 of 21 patients wih pre-AIDS, three of four clinically normal mothers of juveniles with AIDS, 26 of 72 adult and juvenile patients with AIDS, and from one of 22 normal male homosexual subjects. No HTLV-III was detected in or isolated from 115 normal heterosexual subjects. The number of HTLV-III isolates reported here underestimates the true prevalence of the virus since many specimens were received in unsatisfactory condition. Other data show that serum samples from a high proportion of AIDS patients contain antibodies to HTLV-III. That these new isolates are members of the HTLV family but differ from the previous isolates known as HTLV-I and HTLV-II is indicated by their morphological, biological, and immunological characteristics. These results and those reported elsewhere in this issue suggest that HTLV-III may be the primary cause of AIDS.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Gallo, R C -- Salahuddin, S Z -- Popovic, M -- Shearer, G M -- Kaplan, M -- Haynes, B F -- Palker, T J -- Redfield, R -- Oleske, J -- Safai, B -- New York, N.Y. -- Science. 1984 May 4;224(4648):500-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6200936" target="_blank"〉PubMed〈/a〉
    Keywords: Acquired Immunodeficiency Syndrome/blood/*microbiology ; Adult ; Antigens, Viral/analysis ; Cells, Cultured ; Cytopathogenic Effect, Viral ; Deltaretrovirus/*isolation & purification/physiology/ultrastructure ; Female ; Homosexuality ; Humans ; Immune Sera/pharmacology ; Interferon Type I/immunology ; Male ; RNA-Directed DNA Polymerase/metabolism ; Risk ; T-Lymphocytes/microbiology
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    Purified human granulocyte-macrophage colony-stimulating factor: direct action on neutrophils (1984)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1984-12-14
    Description: Neutrophil migration inhibition factor from T lymphocytes (NIF-T) is a lymphokine that acts to localize granulocytes. Medium conditioned by the Mo human T-lymphoblast cell line was used to purify NIF-T, a glycoprotein with a molecular weight of 22,000. The NIF-T was found to potently stimulate the growth of granulocyte and macrophage colonies from human bone marrow and colony formation by the KG-1 myeloid leukemia cell line. Thus a human lymphokine (NIF-T) that modulates the activities of mature neutrophilic granulocytes is also a colony-stimulating factor acting on precursors to induce growth and differentiation of new effector cells.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Gasson, J C -- Weisbart, R H -- Kaufman, S E -- Clark, S C -- Hewick, R M -- Wong, G G -- Golde, D W -- CA 30280/CA/NCI NIH HHS/ -- CA 30388/CA/NCI NIH HHS/ -- CA 32737/CA/NCI NIH HHS/ -- etc. -- New York, N.Y. -- Science. 1984 Dec 14;226(4680):1339-42.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6390681" target="_blank"〉PubMed〈/a〉
    Keywords: Bone Marrow Cells ; Cell Division ; Cell Line ; Chromatography, High Pressure Liquid ; Colony-Stimulating Factors/*isolation & purification ; Electrophoresis, Polyacrylamide Gel ; Granulocytes/*cytology ; Humans ; Leukocyte Migration-Inhibitory Factors/*pharmacology ; Lymphokines/*pharmacology ; Macrophages/*cytology ; Molecular Weight
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    Cigarette craving, smoking withdrawal, and clonidine (1984)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1984-11-16
    Description: Clonidine, an alpha-2-adrenergic agonist, significantly reduces opiate withdrawal. Fifteen heavy smokers abstained from cigarettes on three separate occasions and received instead clonidine, placebo, or the benzodiazepine alprazolam. Clonidine and alprazolam diminished withdrawal symptoms. The two drugs suppressed anxiety, tension, irritability, and restlessness equally but clonidine had a greater effect than alprazolam on cigarette craving. These observations suggest that noradrenergic activity is a common feature in the pathophysiology of withdrawal and that a special relationship exists between central noradrenergic activity and craving.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Glassman, A H -- Jackson, W K -- Walsh, B T -- Roose, S P -- Rosenfeld, B -- New York, N.Y. -- Science. 1984 Nov 16;226(4676):864-6.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6387913" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Alprazolam ; Anxiety/drug therapy ; Benzodiazepines/therapeutic use ; Clinical Trials as Topic ; Clonidine/*therapeutic use ; Double-Blind Method ; Female ; Humans ; Male ; *Smoking ; Substance Withdrawal Syndrome/*drug therapy
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    Cytomegalovirus replicates in differentiated but not in undifferentiated human embryonal carcinoma cells (1984)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1984-04-13
    Description: To study the mode of action of human cytomegalovirus, an important teratogenic agent in human populations, the susceptibility of a pluripotent human embryonal carcinoma cell line to the virus was investigated. Viral antigens were not expressed nor was infectious virus produced by human embryonal carcinoma cells after infection, although the virus was able to penetrate these cells. In contrast, retinoic acid-induced differentiated derivatives of embryonal carcinoma cells were permissive for antigen expression and infectious virus production. Replication of human cytomegalovirus in human teratocarcinoma cells may therefore depend on cellular functions associated with differentiation.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Gonczol, E -- Andrews, P W -- Plotkin, S A -- AI-14927/AI/NIAID NIH HHS/ -- CA-29894/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1984 Apr 13;224(4645):159-61.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6322309" target="_blank"〉PubMed〈/a〉
    Keywords: Cell Line ; Cell Transformation, Neoplastic/drug effects/metabolism ; Cell Transformation, Viral/drug effects ; Cytomegalovirus/*physiology ; Embryonal Carcinoma Stem Cells ; Humans ; Neoplastic Stem Cells/*microbiology ; Stem Cells/*microbiology ; Teratoma/*microbiology ; Tretinoin/pharmacology ; *Virus Replication
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    Detection of c-sis transcripts and synthesis of PDGF-like proteins by human osteosarcoma cells (1984)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1984-11-23
    Description: Platelet-derived growth factor (PDGF) has been previously shown to be homologous to the transforming gene of simian sarcoma virus (v-sis), and inappropriate expression of the cellular counterpart of the v-sis gene (c-sis) has been implicated in the generation of mesenchymal tumors. The U-2 OS human osteosarcoma line was shown to contain multiple c-sis transcripts. Immunoprecipitation experiments with antiserum to PDGF identified a variety of polypeptides ranging in size from 18,000 to 165,000 daltons that were immunoprecipitated specifically from U-2 OS cell extracts. The osteosarcoma also was shown to secrete a 29,000-dalton protein having the serological and structural characteristics of PDGF.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Graves, D T -- Owen, A J -- Barth, R K -- Tempst, P -- Winoto, A -- Fors, L -- Hood, L E -- Antoniades, H N -- CA30101/CA/NCI NIH HHS/ -- HL27607/HL/NHLBI NIH HHS/ -- HL29583/HL/NHLBI NIH HHS/ -- New York, N.Y. -- Science. 1984 Nov 23;226(4677):972-4.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6209798" target="_blank"〉PubMed〈/a〉
    Keywords: Cell Line ; DNA Replication ; Humans ; Molecular Weight ; Neoplasm Proteins/*genetics ; *Oncogenes ; Osteosarcoma/*genetics ; *Platelet-Derived Growth Factor ; Poly A/genetics/isolation & purification ; RNA/genetics/isolation & purification ; RNA, Messenger ; *Transcription, Genetic
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  • 44
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    Activated expression of the N-myc gene in human neuroblastomas and related tumors (1984)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1984-12-14
    Description: In neuroblastoma lines in which the N-myc gene is present as a single copy, the expression of N-myc as messenger RNA is increased relative to that in nonneuroblastoma cell lines and tumors. The increase of expression in neuroblastomas with amplified N-myc genes is the result of (i) an increase in the absolute amount of expression of each N-myc gene and (ii) an increase in the copy number of the N-myc gene. A second gene--which is amplified in many of the same lines as N-myc--is expressed to about the same degree in most human cell lines and primary tumors regardless of origin (when normalized to gene copy number). Thus, a change in the regulation of N-myc expression in neuroblastomas and certain other tumors results in greatly increased expression of each N-myc gene copy.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kohl, N E -- Gee, C E -- Alt, F W -- 2-P01 CA 23767-06/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1984 Dec 14;226(4680):1335-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6505694" target="_blank"〉PubMed〈/a〉
    Keywords: Cell Line ; *Gene Amplification ; Gene Expression Regulation ; Humans ; Neuroblastoma/*genetics ; *Oncogenes ; RNA, Messenger/metabolism
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  • 45
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    Lowered cholesterol decreases heart disease (1984)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1984-01-27
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kolata, G -- New York, N.Y. -- Science. 1984 Jan 27;223(4634):381-2.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6362006" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Cholesterol/*blood ; Cholesterol, Dietary ; Cholestyramine Resin/*therapeutic use ; Clinical Trials as Topic ; Double-Blind Method ; Heart Diseases/etiology/*prevention & control ; Humans ; Hypercholesterolemia/complications/drug therapy ; Male ; Middle Aged ; Risk
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  • 46
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    Antigens encoded by the 3'-terminal region of human T-cell leukemia virus: evidence for a functional gene (1984)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1984-10-05
    Description: Antibodies in sera from patients with adult T-cell leukemia-lymphoma or from healthy carriers of type I human T-cell leukemia virus (HTLV) recognize an antigen of approximately 42 kilodaltons (p42) in cell lines infected with HTLV-I. Radiolabel sequence analysis of cyanogen bromide fragments of p42 led to the conclusion that this antigen is encoded in part by LOR, a conserved portion of the "X" region that is flanked by the envelope gene and the 3' long terminal repeat of HTLV-I. It is possible that this novel product mediates the unique transformation properties of the HTLV family.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lee, T H -- Coligan, J E -- Sodroski, J G -- Haseltine, W A -- Salahuddin, S Z -- Wong-Staal, F -- Gallo, R C -- Essex, M -- 2-T32-CA0903/CA/NCI NIH HHS/ -- CA07094/CA/NCI NIH HHS/ -- CA13885/CA/NCI NIH HHS/ -- etc. -- New York, N.Y. -- Science. 1984 Oct 5;226(4670):57-61.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6089350" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Antigens, Viral/*genetics ; Base Sequence ; Cell Line ; Cyanogen Bromide ; Deltaretrovirus/*genetics/immunology ; *Genes, Viral ; Humans ; Peptide Fragments ; Trans-Activators ; Viral Proteins/*genetics
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  • 47
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    Isolation of lymphocytopathic retroviruses from San Francisco patients with AIDS (1984)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1984-08-24
    Description: Infectious retroviruses have been detected in 22 of 45 randomly selected patients with acquired immune deficiency syndrome (AIDS) and in other individuals from San Francisco. The AIDS-associated retroviruses (ARV) studied in detail had a type D morphology, Mg2+-dependent reverse transcriptase, and cytopathic effects on lymphocytes. The viruses can be propagated in an established adult human T cell line, HUT-78. They cross-react with antiserum to the lymphadenopathy-associated retrovirus isolated from AIDS patients in France. Antibodies to ARV were found in all 86 AIDS patients and in a high percentage of 88 other homosexual men in San Francisco. This observation indicates the widespread presence of these lymphocytopathic retroviruses and their close association with AIDS.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Levy, J A -- Hoffman, A D -- Kramer, S M -- Landis, J A -- Shimabukuro, J M -- Oshiro, L S -- CA-34980/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1984 Aug 24;225(4664):840-2.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6206563" target="_blank"〉PubMed〈/a〉
    Keywords: Acquired Immunodeficiency Syndrome/immunology/*microbiology ; Antibodies, Viral/analysis ; Bone Marrow/microbiology ; California ; Cell Line ; Cells, Cultured ; Cross Reactions ; Cytopathogenic Effect, Viral ; Deltaretrovirus/immunology/*isolation & purification/physiology/ultrastructure ; *Homosexuality ; Humans ; Leukocytes/microbiology ; Lymphatic Diseases/immunology ; Male ; RNA-Directed DNA Polymerase/metabolism ; Syndrome ; T-Lymphocytes ; Virus Cultivation
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Expression cloning of human EGF receptor complementary DNA: gene amplification and three related messenger RNA products in A431 cells (1984)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1984-05-25
    Description: In order to further define the mechanisms by which polypeptide growth factors regulate gene transcription and cellular growth, expression cloning techniques were used to select human epidermal growth factor (EGF) receptor complementary DNA clones. The EGF 3' coding domain shows striking homology to the transforming gene product of avian erythroblastosis virus (v-erbB). Over-expression of EGF receptors in A431 cell lines correlates with increased EGF receptor mRNA levels and amplification (up to 110 times) of the apparently singular EGF receptor gene. There appear to be three cytoplasmic polyadenylated RNA products of EGF receptor gene expression in A431 cells, one of which contains only 5' (EGF binding domain) sequences and is postulated to encode the secreted EGF receptor-related protein.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lin, C R -- Chen, W S -- Kruiger, W -- Stolarsky, L S -- Weber, W -- Evans, R M -- Verma, I M -- Gill, G N -- Rosenfeld, M G -- New York, N.Y. -- Science. 1984 May 25;224(4651):843-8.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6326261" target="_blank"〉PubMed〈/a〉
    Keywords: Base Sequence ; Cell Line ; Cloning, Molecular ; DNA/*genetics ; Gene Amplification ; Gene Expression Regulation ; Polymorphism, Genetic ; RNA, Messenger/genetics ; Receptor, Epidermal Growth Factor ; Receptors, Cell Surface/*genetics
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    Transfection of the DNA polymerase-alpha gene (1984)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1984-11-16
    Description: DNA polymerase-alpha is the major replicative DNA polymerase in animal cells. The gene coding for a mutant DNA polymerase-alpha was transferred from one cell to another by transfection of DNA from mutant cells. The DNA was isolated from a mutant hamster cell line resistant to aphidicolin, a specific inhibitor of DNA polymerase-alpha, and transferred into an aphidicolin-sensitive cell line. The resulting transfectants exhibited increased survival in the presence of aphidicolin and contained an aphidicolin-resistant DNA polymerase-alpha.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Liu, P K -- Loeb, L A -- CA07418/CA/NCI NIH HHS/ -- CA24845/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1984 Nov 16;226(4676):833-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6436977" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Aphidicolin ; Cell Line ; Clone Cells ; Cricetinae ; Cricetulus/genetics ; DNA Polymerase II/*genetics ; Diterpenes/pharmacology ; Escherichia coli/genetics ; Humans ; Mice ; Mutation ; Salmon/genetics ; *Transfection
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 50
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    Proliferation of astroglia and oligodendroglia in response to human T cell-derived factors (1984)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1984-06-29
    Description: Human T lymphocytes transformed by human T cell leukemia-lymphoma viruses or activated by lectins were found to produce stimulating factors that promoted both proliferation and maturation of oligodendroglial and astroglial cells in vitro.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Merrill, J E -- Kutsunai, S -- Mohlstrom, C -- Hofman, F -- Groopman, J -- Golde, D W -- CA 30388/CA/NCI NIH HHS/ -- CA 32737/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1984 Jun 29;224(4656):1428-30.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6610212" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Animals ; Astrocytes/*drug effects ; Cell Division/*drug effects ; Cell Line ; Growth Substances/*pharmacology ; Humans ; Lymphocyte Activation ; Lymphokines/pharmacology ; Neuroglia/*drug effects ; Oligodendroglia/*drug effects ; Rats ; Receptors, Fc/metabolism ; T-Lymphocytes/*physiology
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  • 51
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    Amplification and enhanced expression of the epidermal growth factor receptor gene in A431 human carcinoma cells (1984)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1984-04-27
    Description: The sequence of the human epidermal growth factor (EGF) receptor shows great homology with the avian erythroblastosis virus v-erb B oncogene, raising the possibility that the receptor gene is identical to the c-erb B protooncogene. Human A431 epidermoid carcinoma cells, which have an unusually high number of EGF receptors, were examined to determine whether elevated EGF receptor levels correlate with gene amplification. Southern blots of genomic DNA's from A431 and other human cell lines were probed with either a v-erb B gene fragment or a human EGF receptor complementary DNA clone (pE7), previously isolated from an A431 complementary DNA library. When either probe was used to analyze Eco RI- or Hind III-generated DNA fragments, EGF receptor DNA sequences were amplified about 30-fold in A431. Differences in the banding pattern of A431 DNA fragments relative to normal fibroblast DNA indicate the occurrence of a rearrangement in the region of the receptor gene. Furthermore, A431 cells contain a characteristic, prominent 2.9-kilobase RNA. These results are consistent with the hypothesis that, in A431 cells, gene amplification, possibly associated with a translocation event, may result in the overproduction of EGF receptor protein or the appearance of the transformed phenotype (or both).〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Merlino, G T -- Xu, Y H -- Ishii, S -- Clark, A J -- Semba, K -- Toyoshima, K -- Yamamoto, T -- Pastan, I -- New York, N.Y. -- Science. 1984 Apr 27;224(4647):417-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6200934" target="_blank"〉PubMed〈/a〉
    Keywords: Alpharetrovirus/genetics ; Base Sequence ; Carcinoma, Squamous Cell ; Cell Line ; Dna ; DNA Restriction Enzymes ; Epidermal Growth Factor/metabolism ; *Gene Amplification ; Genes, Viral ; Humans ; Nucleic Acid Hybridization ; Oncogenes ; Poly A/genetics ; RNA/genetics ; RNA, Messenger ; Receptor, Epidermal Growth Factor ; Receptors, Cell Surface/biosynthesis/*genetics ; Translocation, Genetic
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    Inhibitors of poly(adenosine diphosphate-ribose) synthesis: effect on other metabolic processes (1984)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1984-02-10
    Description: 3-Aminobenzamide and benzamide, purported to be specific inhibitors of the synthesis of poly(adenosine diphosphate-ribose), were used to elucidate possible functions of this biopolymer. These compounds, at frequently used experimental concentrations, not only inhibited the action of poly(adenosine diphosphate-ribose) synthetase but also affected cell viability, glucose metabolism, and DNA synthesis. Thus, the usefulness of 3-aminobenzamide and benzamide may be severely restricted by the difficulty of finding a dose small enough to inhibit the synthetase without producing additional metabolic effects.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Milam, K M -- Cleaver, J E -- New York, N.Y. -- Science. 1984 Feb 10;223(4636):589-91.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6420886" target="_blank"〉PubMed〈/a〉
    Keywords: Benzamides/*toxicity ; Cell Line ; DNA Replication/drug effects ; Humans ; Kinetics ; Lymphocytes ; Nucleoside Diphosphate Sugars/*biosynthesis ; Poly Adenosine Diphosphate Ribose/*biosynthesis ; Poly(ADP-ribose) Polymerases/metabolism ; Structure-Activity Relationship
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    Infectious and selectable retrovirus containing an inducible rat growth hormone minigene (1984)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1984-09-07
    Description: A growth hormone minigene carrying its natural promoter (237 nucleotides of chromosomal DNA) was stably propagated in a murine retrovirus containing hypoxanthine-guanine phosphoribosyltransferase as a selectable marker. Glucocorticoid and thyroid hormone inducibility was transferred with the growth hormone gene. Recombinant virus with titers of 10(6) per milliliter was recovered. This demonstration that retroviruses can be used to transfer a nonselectable gene under its own regulatory control enlarges the scope of retroviral vectors as potent tools for gene transfer.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Miller, A D -- Ong, E S -- Rosenfeld, M G -- Verma, I M -- Evans, R M -- New York, N.Y. -- Science. 1984 Sep 7;225(4666):993-8.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6089340" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Line ; DNA, Recombinant ; DNA, Viral/analysis ; Dexamethasone/pharmacology ; Gene Expression Regulation ; *Genes ; Genes, Viral ; Genetic Markers ; *Genetic Vectors ; Growth Hormone/biosynthesis/*genetics ; Hypoxanthine Phosphoribosyltransferase/genetics ; Mice ; Operon ; Phenotype ; RNA, Viral/genetics ; Rats ; Retroviridae/*genetics ; Transcription, Genetic ; Transfection ; Triiodothyronine/pharmacology
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  • 54
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    Adaptation of lymphadenopathy associated virus (LAV) to replication in EBV-transformed B lymphoblastoid cell lines (1984)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1984-07-06
    Description: A strain of lymphadenopathy associated retrovirus ( LAV ) passaged in vitro was used to infect a lymphoblastoid cell line obtained by transformation with Epstein-Barr virus of B lymphocytes from a healthy donor. The virus produced from this line (B- LAV ) was also able to grow at a high rate in some other lymphoblastoid lines and in a Burkitt lymphoma line. This adapted strain retained the biochemical, ultrastructural, and antigenic characteristics of the original strain, as well as its tropism for normal T4+ lymphocytes. It is thus possible to grow LAV in large quantities that can be used for the preparation of diagnostic reagents. The interaction between such a human retrovirus and Epstein-Barr virus, a DNA virus, may have some implication for the pathology of the acquired immunodeficiency syndrome and related diseases.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Montagnier, L -- Gruest, J -- Chamaret, S -- Dauguet, C -- Axler, C -- Guetard, D -- Nugeyre, M T -- Barre-Sinoussi, F -- Chermann, J C -- Brunet, J B -- New York, N.Y. -- Science. 1984 Jul 6;225(4657):63-6.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6328661" target="_blank"〉PubMed〈/a〉
    Keywords: Acquired Immunodeficiency Syndrome/microbiology ; Antibodies, Monoclonal/immunology ; B-Lymphocytes/*microbiology ; Cell Line ; Cell Transformation, Viral ; Deltaretrovirus/metabolism ; Herpesvirus 4, Human/*metabolism ; Humans ; Retroviridae/*growth & development ; T-Lymphocytes/microbiology ; *Virus Replication
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    Elevated concentrations of CSF corticotropin-releasing factor-like immunoreactivity in depressed patients (1984)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1984-12-14
    Description: The possibility that hypersecretion of corticotropin-releasing factor (CRF) contributes to the hyperactivity of the hypothalamo-pituitary-adrenal axis observed in patients with major depression was investigated by measuring the concentration of this peptide in cerebrospinal fluid of normal healthy volunteers and in drug-free patients with DSM-III diagnoses of major depression, schizophrenia, or dementia. When compared to the controls and the other diagnostic groups, the patients with major depression showed significantly increased cerebrospinal fluid concentrations of CRF-like immunoreactivity; in 11 of the 23 depressed patients this immunoreactivity was greater than the highest value in the normal controls. These findings are concordant with the hypothesis that CRF hypersecretion is, at least in part, responsible for the hyperactivity of the hypothalamo-pituitary-adrenal axis characteristic of major depression.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Nemeroff, C B -- Widerlov, E -- Bissette, G -- Walleus, H -- Karlsson, I -- Eklund, K -- Kilts, C D -- Loosen, P T -- Vale, W -- MH-36157/MH/NIMH NIH HHS/ -- MH-39415/MH/NIMH NIH HHS/ -- New York, N.Y. -- Science. 1984 Dec 14;226(4680):1342-4.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6334362" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Aged ; Corticotropin-Releasing Hormone/*cerebrospinal fluid ; Dementia/cerebrospinal fluid ; Depressive Disorder/*cerebrospinal fluid ; Female ; Humans ; Male ; Middle Aged ; Radioimmunoassay ; Schizophrenia/cerebrospinal fluid
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    Organ-specific adhesion of metastatic tumor cells in vitro (1984)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1984-06-08
    Description: Binding of tumor cells to cryostat sections of host organs was studied. B16-F10 melanoma cells and reticulum cell sarcoma cells demonstrated an organ specificity in their binding in vitro that reflected the organ specificity of their metastatic distribution 25 days after intravenous injection. These results provide evidence for specific binding of tumor cells to the tissues that they selectively colonize in vivo.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Netland, P A -- Zetter, B R -- 5 T32 GM 07258/GM/NIGMS NIH HHS/ -- R01 CA 28540/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1984 Jun 8;224(4653):1113-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6372098" target="_blank"〉PubMed〈/a〉
    Keywords: Adhesiveness ; Animals ; Cell Line ; Humans ; Liver/physiopathology ; Lung/physiopathology ; Lymphoma, Large B-Cell, Diffuse/physiopathology ; Melanoma/physiopathology ; Mice ; Mice, Inbred BALB C ; Mice, Inbred C57BL ; Neoplasm Metastasis/physiopathology ; Neoplasms/*physiopathology ; Neoplasms, Experimental/physiopathology ; *Organ Specificity
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  • 57
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    Dopamine-beta-hydroxylase activity and homovanillic acid in spinal fluid of schizophrenics with brain atrophy (1983)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1983-05-27
    Description: Schizophrenic patients with high ventricle brain ratios and cortical brain atrophy, as shown by computerized tomography, had decreased spinal fluid concentrations of homovanillic acid and dopamine-beta-hydroxylase activity. These decreased cerebral spinal fluid concentrations in patients with brain atrophy support the proposal of disturbed noradrenaline and dopamine neurotransmission in a subgroup of schizophrenic patients.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉van Kammen, D P -- Mann, L S -- Sternberg, D E -- Scheinin, M -- Ninan, P T -- Marder, S R -- van Kammen, W B -- Rieder, R O -- Linnoila, M -- New York, N.Y. -- Science. 1983 May 27;220(4600):974-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6133351" target="_blank"〉PubMed〈/a〉
    Keywords: Adolescent ; Adult ; Aged ; Animals ; Antipsychotic Agents/adverse effects ; Atrophy ; Brain/metabolism/*pathology ; Dopamine/metabolism ; Dopamine beta-Hydroxylase/*cerebrospinal fluid ; Homovanillic Acid/*cerebrospinal fluid ; Humans ; Middle Aged ; Phenylacetates/*cerebrospinal fluid ; Rats ; Schizophrenia/*cerebrospinal fluid ; Tomography, X-Ray Computed
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    Lymphokine production by cultured human T cells transformed by human T-cell leukemia-lymphoma virus-I (1984)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1984-02-17
    Description: Cell-free conditioned media from human T cells transformed by human T-cell leukemia-lymphoma virus (HTLV-I) were tested for the production of soluble biologically active factors, including several known lymphokines. The cell lines used were established from patients with T-cell leukemia-lymphoma and from human umbilical cord blood and bone marrow leukocytes transformed by HTLV-I in vitro. All of the cell lines liberated constitutively one or more of the 12 biological activities assayed. These included macrophage migration inhibitory factor (MIF), leukocyte migration inhibitory factor (LIF), leukocyte migration enhancing factor (MEF), macrophage activating factor (MAF), differentiation inducing factor (DIF), colony stimulating factor (CSF), eosinophil growth and maturation activity (eos. GMA), fibroblast activating factor (FAF), gamma-interferon and, in rare instances, T-cell growth factor (TCGF). Some cell lines produced interleukin 3 (IL-3), platelet-derived growth factor (PDGF), or B-cell growth factors (BCGF). Such cells should prove useful for the production of lymphokines and as sources of specific messenger RNA's for their genetic cloning.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Salahuddin, S Z -- Markham, P D -- Lindner, S G -- Gootenberg, J -- Popovic, M -- Hemmi, H -- Sarin, P S -- Gallo, R C -- New York, N.Y. -- Science. 1984 Feb 17;223(4637):703-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6320367" target="_blank"〉PubMed〈/a〉
    Keywords: Antibodies, Monoclonal ; Antigens, Neoplasm/analysis ; Bone Marrow ; Cell Line ; *Cell Transformation, Neoplastic ; Cells, Cultured ; Deltaretrovirus/*genetics ; Female ; Humans ; Leukemia/*microbiology ; Lymphokines/*biosynthesis ; Lymphoma/*microbiology ; Phenotype ; Pregnancy ; T-Lymphocytes/*immunology
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  • 59
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    Human T-cell leukemia virus (HTLV-I) antibodies in Africa (1984)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1984-09-28
    Description: Antibodies specific for human T-cell leukemia-lymphoma virus type I (HTLV-I) were demonstrated in serum samples from various groups of people in South Africa, Uganda, Ghana, Nigeria, Tunisia, and Egypt. The samples had been collected for other purposes and were presumably selected without bias toward clinical conditions associated with HTLV infections. Regional differences in antibody positivity were observed, indicating widely distributed loci of occurrence of HTLV on the African continent in people of both black and white ancestry. Two patients with high titers of antibody to HTLV-I had some signs of adult T-cell leukemia-lymphoma. In several groups a high frequency of false positive serum reactions was indicated when specific confirmation steps were included in the assay. Further characterization of these sera revealed highly elevated immunoglobulin levels, possibly due to polyclonal activation of immunoglobulin synthesis in these subjects. The possibility that related cross-reactive human retroviruses coexist in the same groups was not eliminated.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Saxinger, W -- Blattner, W A -- Levine, P H -- Clark, J -- Biggar, R -- Hoh, M -- Moghissi, J -- Jacobs, P -- Wilson, L -- Jacobson, R -- New York, N.Y. -- Science. 1984 Sep 28;225(4669):1473-6.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6089348" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Africa ; African Continental Ancestry Group ; Antibodies, Viral/*analysis ; Burkitt Lymphoma/immunology ; Cross Reactions ; Deltaretrovirus/*immunology ; Enzyme-Linked Immunosorbent Assay ; European Continental Ancestry Group ; False Positive Reactions ; Female ; Humans ; Lymphoma/immunology ; Male ; Middle Aged ; Retroviridae/immunology ; T-Lymphocytes
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    Nucleotide sequences of the human and mouse atrial natriuretic factor genes (1984)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1984-12-07
    Description: Mouse and human atrial natriuretic factor (ANF) genes have been cloned and their nucleotide sequences determined. Each ANF gene consists of three coding blocks separated by two intervening sequences. The 5' flanking sequences and those encoding proANF are highly conserved between the two species, while the intervening sequences and 3' untranslated regions are not. The conserved sequences 5' of the gene may play an important role in the regulation of ANF gene expression.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Seidman, C E -- Bloch, K D -- Klein, K A -- Smith, J A -- Seidman, J G -- AI-18436/AI/NIAID NIH HHS/ -- HL-070208/HL/NHLBI NIH HHS/ -- New York, N.Y. -- Science. 1984 Dec 7;226(4679):1206-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6542248" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Atrial Natriuretic Factor ; Base Sequence ; Cloning, Molecular ; Gene Expression Regulation ; Genes ; Heart Atria/metabolism ; Humans ; Mice ; Natriuretic Agents ; Protein Precursors/genetics ; Proteins/*genetics ; Receptors, Glucocorticoid/metabolism
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    Treatment of a 12-hour shift of sleep schedule with benzodiazepines (1984)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1984-06-15
    Description: Normal sleepers underwent sleep recordings and daytime tests of sleep tendency, performance, and mood while being shifted 180 degrees in their sleep-wake schedule. After two baseline 24-hour periods, subjects postponed sleep until noon. For the next three 24-hour periods, they were in bed from 1200 to 2000 and received triazolam, flurazepam, or placebo at bedtime in parallel groups. Placebo subjects showed significant sleep loss after the shift. Active medication reversed this sleep loss. Despite good sleep, flurazepam subjects appeared most impaired of the three groups on objective assessments of waking function; triazolam subjects were least impaired.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Seidel, W F -- Roth, T -- Roehrs, T -- Zorick, F -- Dement, W C -- NIMH 05804/MH/NIMH NIH HHS/ -- New York, N.Y. -- Science. 1984 Jun 15;224(4654):1262-4.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6729454" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Arousal/drug effects ; Benzodiazepines/pharmacology/*therapeutic use ; Emotions/drug effects ; Female ; Flurazepam/pharmacology/therapeutic use ; Humans ; Male ; Sleep/drug effects ; Sleep Wake Disorders/*drug therapy ; Triazolam/pharmacology/therapeutic use
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    Antibodies reactive with human T-lymphotropic retroviruses (HTLV-III) in the serum of patients with AIDS (1984)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1984-05-04
    Description: In cats, infection with T-lymphotropic retroviruses can cause T-cell proliferation and leukemia or T-cell depletion and immunosuppression. In humans, some highly T4 tropic retroviruses called HTLV-I can cause T-cell proliferation and leukemia. The subgroup HTLV-II also induces T-cell proliferation in vitro, but its role in disease is unclear. Viruses of a third subgroup of human T-lymphotropic retroviruses, collectively designated HTLV-III, have been isolated from cultured cells of 48 patients with acquired immunodeficiency syndrome (AIDS). The biological properties of HTLV-III and immunological analyses of its proteins show that this virus is a member of the HTLV family, and that it is more closely related to HTLV-II than to HTLV-I. Serum samples from 88 percent of patients with AIDS and from 79 percent of homosexual men with signs and symptoms that frequently precede AIDS, but from less than 1 percent of heterosexual subjects, have antibodies reactive against antigens of HTLV-III. The major immune reactivity appears to be directed against p41, the presumed envelope antigen of the virus.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sarngadharan, M G -- Popovic, M -- Bruch, L -- Schupbach, J -- Gallo, R C -- New York, N.Y. -- Science. 1984 May 4;224(4648):506-8.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6324345" target="_blank"〉PubMed〈/a〉
    Keywords: Acquired Immunodeficiency Syndrome/*immunology/microbiology ; Adult ; Antibodies, Viral/*analysis ; Antigens, Viral/immunology ; Child, Preschool ; Deltaretrovirus/*immunology ; Enzyme-Linked Immunosorbent Assay ; Female ; Homosexuality ; Humans ; Infant ; Male ; Middle Aged ; Sarcoma, Kaposi/immunology ; Substance-Related Disorders ; T-Lymphocytes/microbiology ; Viral Envelope Proteins/immunology
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    Molecular characterization of human T-cell leukemia (lymphotropic) virus type III in the acquired immune deficiency syndrome (1984)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1984-12-07
    Description: The human T-cell leukemia (lymphotropic) virus type III (HTLV-III) appears to be central to the causation of the acquired immune deficiency syndrome (AIDS). Two full-length integrated proviral DNA forms of HTLV-III have now been cloned and analyzed, and DNA sequences of the virus in cell lines and fresh tissues from patients with AIDS or AIDS-related complex (ARC) have been characterized. The results revealed that (i) HTLV-III is an exogenous human retrovirus, approximately 10 kilobases in length, that lacks nucleic acid sequences derived from normal human DNA; (ii) HTLV-III, unlike HTLV types I and II, shows substantial diversity in its genomic restriction enzyme cleavage pattern; (iii) HTLV-III persists in substantial amounts in cells as unintegrated linear DNA, an uncommon property that has been linked to the cytopathic effects of certain animal retroviruses; and (iv) HTLV-III viral DNA can be detected in low levels in fresh (primary) lymphoid tissue of a minority of patients with AIDS or ARC but appears not to be present in Kaposi's sarcoma tissue. These findings have important implications concerning the biological properties of HTLV-III and the pathophysiology of AIDS and Kaposi's sarcoma.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Shaw, G M -- Hahn, B H -- Arya, S K -- Groopman, J E -- Gallo, R C -- Wong-Staal, F -- New York, N.Y. -- Science. 1984 Dec 7;226(4679):1165-71.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6095449" target="_blank"〉PubMed〈/a〉
    Keywords: Acquired Immunodeficiency Syndrome/*microbiology ; Base Sequence ; Cell Line ; Child ; Cloning, Molecular ; Cytopathogenic Effect, Viral ; DNA Restriction Enzymes/metabolism ; DNA, Viral/*analysis ; Deltaretrovirus/*genetics ; Humans ; Male ; Nucleic Acid Hybridization
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    BK viral enhancer element and a human cellular homolog (1983)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1983-11-18
    Description: Comparison of two closely related primate papovaviruses, simian virus 40 (SV40) and human BK virus (BKV), reveals that the only region of extensive divergence, the tandem sequences adjacent to the origins of DNA replication, is responsible in SV40 for enhancing early gene expression. This study demonstrates a similar enhancer function for the analogous repeated region in BKV. The dissimilarity in sequence of the BKV and SV40 enhancer elements suggests that they may have been acquired since SV40 and BKV diverged. A locus cloned from the human genome homologous to the BKV tandem repeats has been shown to function as low level enhancer element in mammalian cells. These data support the hypothesis that viral enhancer sequences may be evolutionarily related to host cell sequences.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Rosenthal, N -- Kress, M -- Gruss, P -- Khoury, G -- New York, N.Y. -- Science. 1983 Nov 18;222(4625):749-55.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6314501" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; BK Virus/*genetics ; Base Sequence ; Biological Evolution ; DNA, Viral/*genetics ; Gene Expression Regulation ; *Genes, Regulator ; Humans ; Plasmids ; Polyomavirus/*genetics ; Repetitive Sequences, Nucleic Acid ; Species Specificity
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    Differential gene expression in the gastrula of Xenopus laevis (1983)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1983-10-14
    Description: A modified cloning method designed to produce differential complementary DNA libraries permits the isolation of sequences that are present in the RNA population of any developmental stage or tissue, but are not present or are much less abundant in another stage or tissue. Selective complementary DNA cloning is especially useful when the differentially expressed RNA's are of low to moderate abundance in the cells in which they occur. A class of cytoplasmic polyadenylated RNA's differentially expressed in gastrula embryos of Xenopus laevis (DG RNA's) has been isolated. These DG RNA's occur very rarely or not at all in unfertilized eggs and blastulae, accumulate as the result of transcription before and during gastrulation, and, with some exceptions, decline in abundance as development proceeds. Many of these RNA molecules appear to be translated at the gastrula stage. Thus, DG RNA's may encode proteins that are important in the process of gastrulation.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sargent, T D -- Dawid, I B -- New York, N.Y. -- Science. 1983 Oct 14;222(4620):135-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6688681" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cloning, Molecular ; DNA/genetics ; Gastrula/*physiology ; Gene Expression Regulation ; Nucleic Acid Hybridization ; Polyribosomes/metabolism ; Protein Biosynthesis ; Transcription, Genetic ; Xenopus laevis/*embryology/genetics
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    Amplification of N-myc in untreated human neuroblastomas correlates with advanced disease stage (1984)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1984-06-08
    Description: A domain of DNA designated N-myc is amplified 20- to 140-fold in human neuroblastoma cell lines but not in cell lines from other tumor types. N-myc has now been found to be amplified in neuroblastoma tissue from 24 of 63 untreated patients (38 percent). The extent of amplification appears to be bimodal, with amplification of 100- to 300-fold in 12 cases and 3- to 10-fold in 10 others. Amplification was found in 0 of 15 patients with stage 1 or 2 disease, whereas 24 of 48 cases (50 percent) with stage 3 or 4 had evidence of N-myc amplification. These data indicate that N-myc amplification is a common event in untreated human neuroblastomas. Furthermore, N-myc amplification is highly correlated with advanced stages of disease (P less than 0.001) and with the ability to grow in vitro as an established cell line, both of which are associated with a poor prognosis.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Brodeur, G M -- Seeger, R C -- Schwab, M -- Varmus, H E -- Bishop, J M -- CA02971/CA/NCI NIH HHS/ -- CA13539/CA/NCI NIH HHS/ -- CA17829/CA/NCI NIH HHS/ -- etc. -- New York, N.Y. -- Science. 1984 Jun 8;224(4653):1121-4.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6719137" target="_blank"〉PubMed〈/a〉
    Keywords: Adolescent ; Adult ; Aged ; Cell Line ; Child ; Child, Preschool ; DNA, Neoplasm/genetics ; Eye Neoplasms/genetics ; *Gene Amplification ; Humans ; Infant ; Lymphatic Metastasis ; Middle Aged ; Neuroblastoma/*genetics/physiopathology ; Nucleic Acid Hybridization ; *Oncogenes ; Prognosis ; Retinoblastoma/genetics
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    Down's syndrome in adults: brain metabolism (1983)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1983-08-19
    Description: The cerebral metabolic rate for glucose, as measured with positron emission tomography and fluorine-18-labeled 2-deoxy-D-glucose, was significantly higher in four healthy young subjects with trisomy 21 syndrome (Down's syndrome) than the mean rate in healthy young controls. The rate of cerebral glucose utilization in the frontal lobe of a 51-year-old subject with Down's syndrome was significantly lower than the rate in the young subjects with this syndrome, but approximated the rate in middle-aged controls. Thus glucose utilization by the brain appears to be excessive in young adults with Down's syndrome but may decline with age in some brain regions.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Schwartz, M -- Duara, R -- Haxby, J -- Grady, C -- White, B J -- Kessler, R M -- Kay, A D -- Cutler, N R -- Rapoport, S I -- New York, N.Y. -- Science. 1983 Aug 19;221(4612):781-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6224294" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Age Factors ; Brain/*physiopathology ; Dementia/etiology ; Down Syndrome/complications/*physiopathology ; Female ; Glucose/*metabolism ; Humans ; Male ; Middle Aged
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    Bromine residue at hydrophilic region influences biological activity of aplysiatoxin, a tumor promoter (1983)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1983-12-16
    Description: Aplysiatoxin and debromoaplysiatoxin, which are isolated from the seaweed, Lyngbya gracilis, differ in their chemical structure only by the presence or absence of a bromine residue in the hydrophilic region. The function and the structure-activity relation of the hydrophilic region are not known. Aplysiatoxin increased malignant transformation, stimulated DNA synthesis, and inhibited the binding of phorbol-12,13-dibutyrate and epidermal growth factor to cell receptors. Debromoaplysiatoxin inhibited the binding of these two substances as strongly as aplysiatoxin but did not increase malignant transformation or stimulate DNA synthesis. These results indicate that a slight change in the chemical structure of the hydrophilic region of aplysiatoxin affects its abilities to increase cell transformation and stimulate DNA synthesis and that the abilities of the tumor promoters to inhibit the binding of phorbol-12,13-dibutyrate and epidermal growth factor are dissociable from their abilities to increase cell transformation and stimulate DNA synthesis under some circumstances.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Shimomura, K -- Mullinix, M G -- Kakunaga, T -- Fujiki, H -- Sugimura, T -- New York, N.Y. -- Science. 1983 Dec 16;222(4629):1242-4.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6316505" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Caenorhabditis elegans Proteins ; Carcinogens/*pharmacology ; Carrier Proteins ; Cell Line ; Cell Transformation, Neoplastic/*drug effects ; Chemical Phenomena ; Chemistry ; DNA/biosynthesis ; Epidermal Growth Factor/metabolism ; Lactones/analysis/*pharmacology ; *Lyngbya Toxins ; Mice ; Phorbol 12,13-Dibutyrate ; Phorbol Esters/metabolism ; *Protein Kinase C ; Receptor, Epidermal Growth Factor ; Receptors, Cell Surface/metabolism ; *Receptors, Drug ; Structure-Activity Relationship
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    O-acetylation of disialoganglioside GD3 by human melanoma cells creates a unique antigenic determinant (1984)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1984-08-24
    Description: Monoclonal antibody Mab D1.1 recognizes on human melanoma cells a ganglioside antigen characterized by an alkali-labile O-acetylated sialic acid residue. Immunochemical analysis showed that this molecule is an O-acetylated product of the neuroectoderm-associated disialoganglioside GD3. Controlled chemical O-acetylation of purified GD3 resulted in the generation of this same epitope. Lysates of human melanoma cells were found to contain O-acetyltransferase activity capable of generating the antigenic epitope recognized by Mab D1.1. Thus, the addition of a single O-acetyl group to a common cell surface-associated ganglioside can create a potentially tumor-specific antigen.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cheresh, D A -- Reisfeld, R A -- Varki, A P -- CA 07544/CA/NCI NIH HHS/ -- CA 28420/CA/NCI NIH HHS/ -- GM32373/GM/NIGMS NIH HHS/ -- etc. -- New York, N.Y. -- Science. 1984 Aug 24;225(4664):844-6.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6206564" target="_blank"〉PubMed〈/a〉
    Keywords: Acetylation ; Acetyltransferases/metabolism ; Antibodies, Monoclonal ; Antigens, Neoplasm/*immunology ; Cell Line ; Epitopes/immunology ; Gangliosides/analysis/*immunology/metabolism ; Humans ; Melanoma/enzymology/*immunology
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    Potentiation of bleomycin lethality by anticalmodulin drugs: a role for calmodulin in DNA repair (1984)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1984-06-22
    Description: Treatment of exponentially growing Chinese hamster ovary cells with bleomycin causes a dose-dependent decrease in cell survival due to DNA damage. This lethal effect can be potentiated by the addition of a nonlethal dose of the anticalmodulin drug N-(4-aminobutyl)-5-chloro-2-naphthalenesulfonamide ( W13 ) but not its inactive analog N-(4-aminobutyl)-2-naphthalenesulfonamide ( W12 ). By preventing the repair of damaged DNA, W13 also inhibits recovery from potentially lethal damage induced by bleomycin. These data suggest a role for calmodulin in the DNA repair pathway.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Chafouleas, J G -- Bolton, W E -- Means, A R -- RR-05425/RR/NCRR NIH HHS/ -- New York, N.Y. -- Science. 1984 Jun 22;224(4655):1346-8.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6203171" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Bleomycin/*pharmacology ; Calmodulin/*antagonists & inhibitors/*physiology ; Cell Division/drug effects ; Cell Line ; Cell Survival/drug effects ; Cricetinae ; Cricetulus ; DNA Repair/*drug effects ; Dose-Response Relationship, Drug ; Drug Synergism ; Sulfonamides/pharmacology
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    Appearance of a new nucleosomal protein during differentiation of human leukemia (HL-60) cells (1984)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1984-03-30
    Description: A 60-kilodalton protein was identified in chromatin digested by micrococcal nuclease during retinoic acid-induced differentiation of human leukemia (HL-60) cells to mature-like granulocytes. The protein was not detected in a retinoic acid-resistant variant of the HL-60 cell line treated with retinoic acid, in HL-60 cells induced with dimethyl sulfoxide, or in normal human granulocytes. This protein may have an important role in the regulation of retinoic acid-induced leukemic cell differentiation.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Chou, R H -- Chervenick, P A -- Barch, D R -- CA14278-08/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1984 Mar 30;223(4643):1420-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6583846" target="_blank"〉PubMed〈/a〉
    Keywords: Cell Line ; Cell Transformation, Neoplastic/drug effects ; Centrifugation, Density Gradient ; Dimethyl Sulfoxide/pharmacology ; Electrophoresis, Polyacrylamide Gel ; Granulocytes/metabolism ; Humans ; Leukemia, Myeloid, Acute/*metabolism ; Neoplasm Proteins/*isolation & purification ; Nucleosomes/*metabolism ; Tretinoin/pharmacology
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    Estrogen-dependent Leydig cell protein recognized by monoclonal antibody to MCF-7 cell line (1984)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1984-10-26
    Description: A protein (27,000 molecular weight) was previously found in rat Leydig cells after treatment with estradiol (E2) and human chorionic gonadotropin (hCG) in vitro. The effect of hCG occurred through increased E2 production. This hormone-regulated rat testicular protein was compared to an estrogen-regulated protein of similar physical characteristics isolated from a human mammary cancer cell line (MCF-7) and present in normal human estrogen target organs. The Leydig cells from rat and human tissue showed specific immunofluorescence and immunoperoxidase staining in the cytoplasm upon incubation with a monoclonal antibody (C11) to the estrogen-regulated protein from MCF-7 cells. Leydig cells after exposure to E2 or hCG showed the highest fluorescence intensity; this intensity was reduced by treatment with Tamoxifen. No reaction was associated with other testicular cells. The estrogen-regulated protein from human cell lines is therefore immunologically similar to that from the rat Leydig cell. The monoclonal antibody should be useful for further characterization of the Leydig cell protein.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ciocca, D R -- Dufau, M L -- CA 11378/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1984 Oct 26;226(4673):445-6.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6387908" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Animals ; *Antibodies, Monoclonal ; Breast Neoplasms/metabolism ; Cell Line ; Chorionic Gonadotropin/pharmacology ; Cross Reactions ; Estradiol/pharmacology ; Fluorescent Antibody Technique ; Humans ; Immunoenzyme Techniques ; Leydig Cells/*analysis ; Male ; Middle Aged ; Proteins/*analysis ; Rats
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    Mo cell case has its first court hearing (1984)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1984-11-16
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Culliton, B J -- New York, N.Y. -- Science. 1984 Nov 16;226(4676):813-4.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6494909" target="_blank"〉PubMed〈/a〉
    Keywords: *Biomedical Research ; California ; Cell Line ; *Human Body ; Humans ; *Jurisprudence ; Patents as Topic/legislation & jurisprudence ; *Patient Rights ; Spleen/cytology ; *Tissue and Organ Procurement ; Regents of the University of California on the grounds that two researchers at ; the Los Angeles campus took unfair advantage of him by misappropriating cells ; derived from his spleen in the course of leukemia therapy--cells that were then ; used in research that led to a patent. A federal court procedural hearing on 29 ; October 1984 yielded a ruling that the case will be heard in California state ; court, though it will probably be at least three years before a trial date can be ; scheduled. University officials and scientists see the case as an "outrageous" ; and legally unjustified attempt to assert a claim to the patent. Nevertheless, ; policy makers and university institutional review boards now face the question of ; whether, and how, consent forms should be rewritten to clarify the issue.
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    X chromosome-linked transmission and expression of retroviral genomes microinjected into mouse zygotes (1983)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1983-08-19
    Description: A genomic clone consisting of the Moloney leukemia proviral genome with moderately repetitive mouse sequences was microinjected into the pronucleus of a mouse zygote. An animal was derived that carried multiple copies of proviral DNA in a tandem array. No evidence for homologous recombination was obtained. The viral genome was expressed in this animal and was transmitted as a single unit to its offspring. Subsequent breeding studies revealed that the proviral DNA had integrated on an X chromosome.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Stewart, C -- Harbers, K -- Jahner, D -- Jaenisch, R -- New York, N.Y. -- Science. 1983 Aug 19;221(4612):760-2.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6683871" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Nucleus/physiology ; Female ; Gene Expression Regulation ; Genes, Viral ; Mice ; Microinjections ; Moloney murine leukemia virus/*genetics ; Recombination, Genetic ; Sex Chromosomes/*physiology ; X Chromosome/*physiology
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    Functional alpha 1-protease inhibitor in the lower respiratory tract of cigarette smokers is not decreased (1983)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1983-09-16
    Description: Cigarette smoking is the major risk factor for the development of pulmonary emphysema, a disorder that may result from an imbalance between the elastase and antielastase levels in the lungs. Decreased functional alpha 1-protease inhibitor, an inhibitor of neutrophil elastase, might render smokers susceptible to elastase-catalyzed destruction of pulmonary elastic fibers and the development of emphysema. Binding and inactivation of isotopically labeled porcine pancreatic elastase and human neutrophil elastase by alpha 1-protease inhibitor were measured in fluid obtained by bronchoalveolar lavage of volunteers. The inhibition of elastase-catalyzed solubilization of elastin and a tripeptide substrate were also determined. The mean level of functional alpha 1-protease inhibitor in the bronchoalveolar lavage fluid of smokers was found to be equal to or greater than that of nonsmokers, contradicting reports by other investigators. Increased elastase derived from pulmonary neutrophils, rather than decreased functional alpha 1-protease inhibitor, appears to be the main factor in the genesis of emphysema in smokers.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Stone, P J -- Calore, J D -- McGowan, S E -- Bernardo, J -- Snider, G L -- Franzblau, C -- HL-19717/HL/NHLBI NIH HHS/ -- HL-25229/HL/NHLBI NIH HHS/ -- New York, N.Y. -- Science. 1983 Sep 16;221(4616):1187-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6612333" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Bronchi/*metabolism ; Female ; Humans ; In Vitro Techniques ; Male ; Neutrophils/metabolism ; Protease Inhibitors/*metabolism ; Pulmonary Alveoli/*metabolism ; *Smoking
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  • 76
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    The respiratory sinus arrhythmia: a measure of cardiac age (1984)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1984-06-01
    Description: A method developed for quantifying respiratory sinus arrhythmia (RSA) during voluntary cardiorespiratory synchronization relies on computer-assisted rhythmometric cosinor analysis of instantaneous heart rate data. The RSA was present in all subjects tested, even those at advanced ages. The amplitude of the RSA falls approximately 10 percent per decade. An individual with a transplanted heart and one with severe diabetic neuropathy each had resting RSA values that were normal for their ages. The shape and amplitude of the RSA during voluntary cardiorespiratory synchronization may reflect the suppleness of the heart and its response to rhythmically changing intrathoracic pressure and the subsequent ebb-and-flow of venous return. Our technology allows objective quantitative assessment of the biologic age of the heart and also the effect of any drug, disease, or behavior that affects the RSA.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hrushesky, W J -- Fader, D -- Schmitt, O -- Gilbertsen, V -- New York, N.Y. -- Science. 1984 Jun 1;224(4652):1001-4.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6372092" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Aged ; *Aging ; Arrhythmia, Sinus/*physiopathology ; Compliance ; Diabetic Neuropathies/physiopathology ; Female ; Heart/*physiology/physiopathology ; Heart Rate ; Heart Transplantation ; Humans ; Male ; Microcomputers ; Middle Aged ; *Respiration
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  • 77
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    Induction of interleukin 2 messenger RNA inhibited by cyclosporin A (1984)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1984-12-21
    Description: Cyclosporin A blocked production of the lymphokine interleukin 2 by activated T lymphocytes. In a human and a murine cell line this inhibition reflected an absence of interleukin 2 messenger RNA. Under conditions in which these cells are normally stimulated to secrete high levels of interleukin 2, they failed to do so in the presence of cyclosporin A. In both cell lines this failure was accompanied by an absence of interleukin 2 messenger accumulation.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Elliott, J F -- Lin, Y -- Mizel, S B -- Bleackley, R C -- Harnish, D G -- Paetkau, V -- New York, N.Y. -- Science. 1984 Dec 21;226(4681):1439-41.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6334364" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Line ; Cyclosporins/*pharmacology ; Humans ; Interleukin-2/biosynthesis/*genetics ; Mice ; Protein Biosynthesis/drug effects ; RNA, Messenger/*metabolism ; T-Lymphocytes/metabolism
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  • 78
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    Somatic activation of rasK gene in a human ovarian carcinoma (1984)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1984-02-17
    Description: A tumor isolate from a patient with serous cystadenocarcinoma of the ovary contained an activated rasK gene detected hy transfection of NIH/3T3 cells. In contrast, DNA from normal cells of the same patient lacked transforming activity, indicating that activation of this transforming gene was the consequence of somatic mutation in the neoplastic cells. The transforming gene product displayed an electrophoretic mobility in sodium dodecyl sulfate-polyacrylamide gels that differed from the mobilities of rasK transforming proteins in other tumors, indicating that a previously undescribed mutation was responsible for activation of rasK in this ovarian carcinoma.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Feig, L A -- Bast, R C Jr -- Knapp, R C -- Cooper, G M -- CA07101/CA/NCI NIH HHS/ -- CA18689/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1984 Feb 17;223(4637):698-701.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6695178" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Base Sequence ; Cell Line ; Cell Transformation, Neoplastic ; Cystadenocarcinoma/*genetics ; DNA, Neoplasm/genetics/isolation & purification ; Female ; Humans ; Lung Neoplasms/genetics ; Mice ; *Oncogenes ; Ovarian Neoplasms/*genetics ; Transfection
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  • 79
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    Lymphadenopathy associated virus infection of a blood donor--recipient pair with acquired immunodeficiency syndrome (1984)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1984-07-06
    Description: A retrovirus isolated from three patients with the acquired immunodeficiency syndrome (AIDS) in the United States was morphologically and antigenically identical to lymphadenopathy associated virus isolated in France. Two of these isolates were from a blood donor-recipient pair, each of whom developed AIDS. Lymphadenopathy associated virus was isolated from the blood donor's lymphocytes 12 months after his onset of AIDS symptoms and from the blood recipient's lymphocytes 1 month after her onset of AIDS symptoms. Two isolates from the blood donor-recipient pair and an isolate from an epidemiologically unrelated homosexual man were examined by competitive radioimmunoassay to determine their antigenic relatedness to each other and to other human retroviruses. The major core proteins (p25) of the isolates were antigenically identical and all three isolates were identical to prototype lymphadenopathy associated virus isolated in France.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Feorino, P M -- Kalyanaraman, V S -- Haverkos, H W -- Cabradilla, C D -- Warfield, D T -- Jaffe, H W -- Harrison, A K -- Gottlieb, M S -- Goldfinger, D -- Chermann, J C -- New York, N.Y. -- Science. 1984 Jul 6;225(4657):69-72.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6328663" target="_blank"〉PubMed〈/a〉
    Keywords: Acquired Immunodeficiency Syndrome/*microbiology/transmission ; Adult ; Antibodies, Viral/immunology ; *Blood Donors ; Blood Transfusion/adverse effects ; Deltaretrovirus/immunology ; Female ; Humans ; Male ; Retroviridae/*immunology ; Retroviridae Infections/*immunology
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  • 80
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    Elevated beta-endorphin in cerebrospinal fluid after electrical brain stimulation: artifact of contrast infusion? (1984)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1984-06-01
    Description: Beta-Endorphin-like immunoreactivity in cerebrospinal fluid was assayed in 11 patients receiving electrical stimulation of the brain for chronic pain. Immunoreactivity increased dramatically after contrast ventriculography prior to stimulation. No further elevations were observed after stimulation. The magnitude and time course of elevations were identical after placement of electrodes either in the thalamus or in the periventricular gray matter. These results suggest that previous findings of stimulation-induced elevation of beta-endorphin-like immunoreactivity in cerebrospinal fluid are attributable to an artifact of contrast ventriculography.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Fessler, R G -- Brown, F D -- Rachlin, J R -- Mullan, S -- Fang, V S -- New York, N.Y. -- Science. 1984 Jun 1;224(4652):1017-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6326266" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Aged ; *Cerebral Ventriculography ; Contrast Media ; *Electronarcosis ; Endorphins/*cerebrospinal fluid ; Female ; Humans ; Male ; Middle Aged ; Pain/physiopathology ; Pain Management ; Radioimmunoassay ; beta-Endorphin
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  • 81
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    Antigenic similarity between cells transformed by ultraviolet radiation in vitro and in vivo (1984)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1984-02-10
    Description: Cells of the 10T 1/2 mouse fibroblast line transformed in vitro by ultraviolet radiation are antigenically similar to those from skin cancers produced in mice by repeated exposure to ultraviolet radiation. Both types of tumor cells grew preferentially in ultraviolet-irradiated syngeneic mice relative to untreated animals, and both were recognized by ultraviolet radiation-induced tumor-specific suppressor lymphocytes. These properties were not shared by 10T 1/2 cells transformed in vitro by x-rays or 3-methylcholanthrene.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Fisher, M S -- Kripke, M L -- Chan, G L -- CA-09078/CA/NCI NIH HHS/ -- CA-11751/CA/NCI NIH HHS/ -- N01-CO-23909/CO/NCI NIH HHS/ -- New York, N.Y. -- Science. 1984 Feb 10;223(4636):593-4.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6695169" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antigens, Neoplasm/*analysis ; Carcinogens ; Cell Line ; *Cell Transformation, Neoplastic ; Cells, Cultured ; Mice ; Mice, Inbred C3H ; Neoplasm Transplantation ; Transplantation, Isogeneic ; *Ultraviolet Rays
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  • 82
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    A cell line expressing vesicular stomatitis virus glycoprotein fuses at low pH (1984)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1984-08-17
    Description: A stable cell line expressing a complementary DNA clone encoding the vesicular stomatitis virus glycoprotein fused and formed polykaryons at pH 5.5. The formation of polykaryons was dependent on the presence of glycoprotein anchored at the cell surface and could be prevented by incubation of cells with a monoclonal antibody to the glycoprotein. Fusion occurred at a pH 0.5 unit lower than that observed for cells infected with vesicular stomatitis virus.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Florkiewicz, R Z -- Rose, J K -- 1 F32 AI06911-01/AI/NIAID NIH HHS/ -- AI15481/AI/NIAID NIH HHS/ -- CA 14195/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1984 Aug 17;225(4663):721-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6087454" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antibodies, Monoclonal/metabolism ; *Cell Fusion ; Cell Line ; Cell Membrane/*metabolism ; Glycoproteins/*metabolism ; Hydrogen-Ion Concentration ; *Membrane Glycoproteins ; Mice ; Vesicular stomatitis Indiana virus/*metabolism ; *Viral Envelope Proteins ; Viral Proteins/*metabolism
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 83
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    Isolation, characterization, and chromosome assignment of mouse N-ras gene from carcinogen-induced thymic lymphoma (1984)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1984-09-07
    Description: Treatment of mice with the carcinogen N-methylnitrosourea results in the development of thymic lymphomas with frequent involvement of the N-ras oncogene. The activated mouse N-ras gene was isolated from one of these lymphomas and, by transformation in concert with restriction digestion, a map of the gene was prepared and its approximate boundaries were determined. By means of somatic cell hybrids the normal N-ras gene was found to be unlinked to other members of the ras gene family.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Guerrero, I -- Villasante, A -- D'Eustachio, P -- Pellicer, A -- CA-16239/CA/NCI NIH HHS/ -- GM-32105/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1984 Sep 7;225(4666):1041-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6089339" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Line ; Cell Transformation, Neoplastic ; Chromosome Mapping ; Cloning, Molecular ; Cricetinae ; DNA Restriction Enzymes ; Deoxyribonuclease EcoRI ; Genetic Linkage ; Hybrid Cells ; Lymphoma/chemically induced/*genetics ; Methylnitrosourea ; Mice ; Mice, Inbred Strains ; *Oncogenes ; Thymus Neoplasms/chemically induced/*genetics
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  • 84
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    Novel viral sequences related to human T-cell leukemia virus in T cells of a seropositive baboon (1984)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1984-03-16
    Description: Antibodies reactive with proteins of human T-cell leukemia virus (HTLV) can be found in Old World monkeys. A T-lymphocyte cell line established from a seropositive baboon (Papio cynocephalus) was analyzed for the presence of viral DNA sequences. The provirus found in these cells was related to but distinct from HTLV subgroup I. These results add to recent evidence from human studies that HTLV represents a spectrum of infectious T-lymphotropic retroviruses that includes closely and distantly related members.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Guo, H G -- Wong-Stall, F -- Gallo, R C -- New York, N.Y. -- Science. 1984 Mar 16;223(4641):1195-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6322297" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antibodies, Viral/analysis ; Antigens, Viral/immunology ; Base Sequence ; Cell Line ; DNA Restriction Enzymes ; DNA, Viral/*analysis ; Deltaretrovirus/*genetics/immunology ; *Genes, Viral ; Humans ; Nucleic Acid Hybridization ; Papio/immunology/*microbiology ; Repetitive Sequences, Nucleic Acid ; T-Lymphocytes/*analysis/microbiology
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  • 85
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    Common region on chromosome 14 in T-cell leukemia and lymphoma (1984)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1984-12-21
    Description: Chromosome 14 breakpoints in malignant human lymphocytes cluster on the long (q) arm near bands q11 and q32. An inversion of chromosome 14 due to breaks in q11.2 and q32.3 has now been found in a newly established childhood T-cell lymphoma cell line and confirmed in T-cell chronic lymphocytic leukemia. A translocation was also found between chromosomes 10 and 14 with a breakpoint at 14q11.2 in another T-cell lymphoma cell line. It is proposed that a proximal region on chromosome 14 in or near sub-band q11.2 is related to T-cell function. Rearrangements in this region may affect the growth of T lymphocytes and be involved in the development of T-cell malignancies.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hecht, F -- Morgan, R -- Hecht, B K -- Smith, S D -- 25055/PHS HHS/ -- New York, N.Y. -- Science. 1984 Dec 21;226(4681):1445-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6438800" target="_blank"〉PubMed〈/a〉
    Keywords: Cell Line ; *Chromosome Aberrations ; Humans ; Immunoglobulin Heavy Chains/genetics ; Leukemia, Lymphoid/*genetics ; Lymphoma/*genetics ; Male ; Middle Aged ; T-Lymphocytes ; Translocation, Genetic
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  • 86
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    Dynamic heterogeneity: rapid generation of metastatic variants in mouse B16 melanoma cells (1984)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1984-06-01
    Description: The ability of clonally derived lines of B16F1 and B16F10 melanoma cells to form experimental metastases in C57BL mice after intravenous injection was examined. Luria- Delbruck fluctuation analysis was applied to the results obtained with parallel subclones grown to small population sizes before testing for metastatic ability. The analysis demonstrated that variant cells capable of forming experimental metastases were generated in B16F1 cell populations at an effective rate of about 1.3 X 10(-5) per cell per generation while in B16F10 cell populations the effective rate of production was about 5 X 10(-5) per cell per generation. These results are consistent with a dynamic heterogeneity model of tumor progression. They suggest that the majority of cells in both lines are effectively nonmetastatic and that the higher metastatic ability of the B16F10 population may be due in part to a higher rate of generation of metastatic variants.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hill, R P -- Chambers, A F -- Ling, V -- Harris, J F -- New York, N.Y. -- Science. 1984 Jun 1;224(4652):998-1001.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6719130" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Line ; Clone Cells ; Humans ; Melanoma/genetics/*physiopathology ; Mice ; Mice, Inbred C57BL ; Neoplasm Metastasis/physiopathology ; Neoplasms, Experimental/genetics/physiopathology ; Phenotype
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  • 87
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    HTLV-III in the semen and blood of a healthy homosexual man (1984)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1984-10-26
    Description: Human T-lymphotropic virus type III (HTLV-III) is the probable etiologic agent for the acquired immune deficiency syndrome (AIDS). HTLV-III was isolated from semen and blood of a healthy homosexual man whose serum contains antibodies to HTLV-III. The finding of virus in semen supports epidemiologic data that suggest that AIDS can be transmitted sexually. In addition, the demonstration of HTLV-III in the blood and semen of a healthy individual establishes an asymptomatic, virus-positive carrier state which may be important in the dissemination of HTLV-III and, consequently, AIDS.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ho, D D -- Schooley, R T -- Rota, T R -- Kaplan, J C -- Flynn, T -- Salahuddin, S Z -- Gonda, M A -- Hirsch, M S -- CA 12464/CA/NCI NIH HHS/ -- CA 35020/CA/NCI NIH HHS/ -- CA 37461/CA/NCI NIH HHS/ -- etc. -- New York, N.Y. -- Science. 1984 Oct 26;226(4673):451-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6208608" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Blood/*microbiology ; Carrier State ; Cytopathogenic Effect, Viral ; Deltaretrovirus/*isolation & purification ; *Homosexuality ; Humans ; Male ; Microscopy, Electron ; RNA-Directed DNA Polymerase/analysis ; Semen/*microbiology
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  • 88
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    Oncogene-induced transformation of C3H 10T1/2 cells is enhanced by tumor promoters (1984)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1984-11-02
    Description: The tumor promoters 12-O-tetradecanoyl-phorbol-13-acetate and teleocidin markedly enhanced the transformation of C3H 10T1/2 mouse fibroblasts when these cells were transfected with the cloned human bladder cancer c-rasH oncogene. Transfection studies with the drug resistance marker gpt and time course studies indicate that this enhancement is not simply an effect on the process of DNA transfection. These findings, together with parallel studies with NIH 3T3 fibroblasts, also indicate that the competence of animal cells for DNA transfection is a function of the recipient cell line, the transfected marker, and the growth conditions. Our findings suggest that during multistage carcinogenesis tumor promoters may complement the function of activated cellular oncogenes.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hsiao, W L -- Gattoni-Celli, S -- Weinstein, I B -- CA 26056/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1984 Nov 2;226(4674):552-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6436974" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Carcinogens/*pharmacology ; Cell Line ; Cell Transformation, Neoplastic/*chemically induced ; DNA, Neoplasm/metabolism ; Humans ; Lyngbya Toxins/pharmacology ; Mice ; Mice, Inbred C3H ; Oncogenes/*drug effects ; Tetradecanoylphorbol Acetate/pharmacology ; Transfection/drug effects
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  • 89
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    Transfusion-associated AIDS: serologic evidence of human T-cell leukemia virus infection of donors (1984)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1984-03-23
    Description: An assay for antibodies to membrane antigens of cells infected by human T-cell leukemia virus was used to examine serum from persons who donated blood to 12 patients with acquired immunodeficiency syndrome (AIDS) associated with blood transfusions. The occurrence of positive results in the assay was significantly greater among donors to the AIDS patients (9 of 117; 7.7 percent) than among random donors (1 of 298; 0.3 percent). Of 12 sets of donors examined, 9 sets included a donor whose serum gave positive results for the presence of the antibodies. In six of these nine sets, the seropositive donor was an individual who was also identified as a possible source of AIDS transmission when epidemiologic and immunologic criteria were used.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Jaffe, H W -- Francis, D P -- McLane, M F -- Cabradilla, C -- Curran, J W -- Kilbourne, B W -- Lawrence, D N -- Haverkos, H W -- Spira, T J -- Dodd, R Y -- New York, N.Y. -- Science. 1984 Mar 23;223(4642):1309-12.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6322301" target="_blank"〉PubMed〈/a〉
    Keywords: Acquired Immunodeficiency Syndrome/*etiology/immunology/transmission ; Adult ; Aged ; Antibodies, Viral/*analysis ; Antigens, Surface/immunology ; Antigens, Viral/immunology ; *Blood Donors ; Blood Transfusion/*adverse effects ; Deltaretrovirus/immunology/*pathogenicity ; Female ; Homosexuality ; Humans ; Male ; Middle Aged ; Retroviridae/*immunology ; Retroviridae Infections/*epidemiology ; Risk
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  • 90
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    Rat transforming growth factor type 1: structure and relation to epidermal growth factor (1984)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1984-03-09
    Description: The complete amino acid sequence of rat transforming growth factor type 1 has been determined. This growth factor, obtained from retrovirus-transformed fibroblasts, is structurally and functionally related to mouse epidermal growth factor and human urogastrone. Production of this polypeptide by various neoplastic cells might contribute to the continued expression of the transformed phenotype.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Marquardt, H -- Hunkapiller, M W -- Hood, L E -- Todaro, G J -- New York, N.Y. -- Science. 1984 Mar 9;223(4640):1079-82.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6320373" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Cell Line ; *Cell Transformation, Neoplastic ; DNA/biosynthesis ; Epidermal Growth Factor/*metabolism/pharmacology ; Humans ; Idoxuridine/metabolism ; Mice ; Peptide Biosynthesis ; Peptides/*metabolism/pharmacology ; Rats ; Receptor, Epidermal Growth Factor ; Receptors, Cell Surface/metabolism ; Structure-Activity Relationship ; Transforming Growth Factors
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 91
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    Oncogenes amplified in cancer cells (1984)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1984-01-06
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Marx, J L -- New York, N.Y. -- Science. 1984 Jan 6;223(4631):40-1.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6691135" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Line ; Cell Transformation, Neoplastic ; Chromosome Aberrations ; *Gene Amplification ; Humans ; Leukemia/genetics ; Lung Neoplasms/genetics ; Neoplasms/*genetics/metabolism ; Neuroblastoma/genetics ; *Oncogenes ; RNA, Messenger/biosynthesis ; RNA, Neoplasm/biosynthesis ; Translocation, Genetic
    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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  • 92
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    Blood pressure and nutrient intake in the United States (1984)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1984-06-29
    Description: A data base of the National Center for Health Statistics, Health and Nutrition Examination Survey I (HANES I), was used to perform a computer-assisted, comprehensive analysis of the relation of 17 nutrients to the blood pressure profile of adult Americans. Subjects were 10,372 individuals, 18 to 74 years of age, who denied a history of hypertension and intentional modification of their diet. Significant decreases in the consumption of calcium, potassium, vitamin A, and vitamin C were identified as the nutritional factors that distinguished hypertensive from normotensive subjects. Lower calcium intake was the most consistent factor in hypertensive individuals. Across the population, higher intakes of calcium, potassium, and sodium were associated with lower mean systolic blood pressure and lower absolute risk of hypertension. Increments of dietary calcium were also negatively correlated with body mass. Even though these correlations cannot be accepted as proof of causation, they have implications for future studies of the association of nutritional factors and dietary patterns with hypertension in America.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉McCarron, D A -- Morris, C D -- Henry, H J -- Stanton, J L -- New York, N.Y. -- Science. 1984 Jun 29;224(4656):1392-8.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6729459" target="_blank"〉PubMed〈/a〉
    Keywords: Adolescent ; Adult ; Age Factors ; Aged ; Ascorbic Acid/metabolism ; *Blood Pressure/drug effects ; Calcium/metabolism ; Continental Population Groups ; Energy Intake ; Female ; Humans ; Hypertension/metabolism ; Male ; Middle Aged ; National Center for Health Statistics (U.S.) ; Nutrition Surveys ; *Nutritional Physiological Phenomena ; Obesity/metabolism ; Potassium/metabolism ; Sex Factors ; Sodium/metabolism ; United States ; Vitamin A/metabolism
    Print ISSN: 0036-8075
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 93
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    The significance of responses of the genome to challenge (1984)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1984-11-16
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉McClintock, B -- New York, N.Y. -- Science. 1984 Nov 16;226(4676):792-801.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15739260" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Nucleus/metabolism ; Chromosome Breakage ; Chromosomes, Plant/physiology/radiation effects ; *DNA Transposable Elements ; Gene Expression Regulation ; *Gene Expression Regulation, Plant ; Genetics/history ; *Genome, Plant ; History, 20th Century ; Hybridization, Genetic ; Meiosis ; Mitosis ; Mutation ; Plant Viruses/physiology ; Telophase ; Zea mays/*genetics/physiology/virology
    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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  • 94
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    Functional properties of antigen-specific T cells infected by human T-cell leukemia-lymphoma virus (HTLV-I) (1984)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1984-09-28
    Description: Tetanus-toxoid specific helper-inducer T-cell clones, which had been infected and transformed by human T-cell leukemia-lymphoma virus (HTLV-I), were obtained from an antigen-specific human T cell line by using a limiting dilution technique in the presence of the virus. These HTLV-I-infected T-cell clones proliferated specifically in response to soluble tetanus toxoid but, unlike normal T cells, they could do so in the absence of accessory cells. The HTLV-I-infected T-cell clones did not present the antigen to autologous antigen-specific T cells that were not infected with HTLV-I. The capacity of helper-inducer T cells to retain antigen-specific reactivity after infection by HTLV-I, while losing the normal T-cell requirement for accessory cells, has clinical and theoretical implications.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Mitsuya, H -- Guo, H G -- Cossman, J -- Megson, M -- Reitz, M S Jr -- Broder, S -- New York, N.Y. -- Science. 1984 Sep 28;225(4669):1484-6.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6206569" target="_blank"〉PubMed〈/a〉
    Keywords: Antigens, Surface/analysis ; Binding Sites ; Cell Line ; Cell Transformation, Viral ; Deltaretrovirus/genetics/*physiology ; Epitopes/metabolism ; Genes, Viral ; Humans ; *Lymphocyte Activation ; Phenotype ; T-Lymphocytes/*immunology/microbiology ; Tetanus Toxoid/immunology ; Viral Proteins/biosynthesis
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 95
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    Suramin protection of T cells in vitro against infectivity and cytopathic effect of HTLV-III (1984)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1984-10-12
    Description: A recently discovered member of the human T-cell leukemia virus (HTLV) family of retroviruses has been etiologically linked to the acquired immune deficiency syndrome (AIDS). This virus, which has been designated HTLV-III, is tropic for OKT4-bearing (helper-inducer) T cells. Moreover, the virus is cytopathic for these cells. Suramin is a drug used in the therapy of Rhodesian trypanosomiasis and onchocerciasis, and it is known to inhibit the reverse transcriptase of a number of retroviruses. Suramin has now been found to block in vitro the infectivity and cytopathic effect of HTLV-III at doses that are clinically attainable in human beings.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Mitsuya, H -- Popovic, M -- Yarchoan, R -- Matsushita, S -- Gallo, R C -- Broder, S -- New York, N.Y. -- Science. 1984 Oct 12;226(4671):172-4.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6091268" target="_blank"〉PubMed〈/a〉
    Keywords: Cell Line ; Cell Survival/drug effects ; Clone Cells ; Cytopathogenic Effect, Viral/drug effects ; Deltaretrovirus/*drug effects/physiology ; Humans ; Suramin/*pharmacology ; T-Lymphocytes/*microbiology/physiology ; T-Lymphocytes, Helper-Inducer/*microbiology/physiology ; Virus Replication/drug effects
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 96
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    High-resolution proton nuclear magnetic resonance analysis of metastatic cancer cells (1984)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1984-12-21
    Description: High-resolution proton nuclear magnetic resonance (NMR) studies of intact cancer cells revealed differences between cells with the capacity to metastasize and those that produce locally invasive tumors. The NMR resonances that characterize the metastatic cells were associated with an increased ratio of cholesterol to phospholipid and an increased amount of plasma membrane-bound cholesterol ester. High-resolution NMR spectroscopy could therefore be used to assess the metastatic potential of primary tumors.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Mountford, C E -- Wright, L C -- Holmes, K T -- Mackinnon, W B -- Gregory, P -- Fox, R M -- New York, N.Y. -- Science. 1984 Dec 21;226(4681):1415-8.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6505699" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Line ; Cell Membrane/analysis ; Cholesterol Esters/analysis ; *Magnetic Resonance Spectroscopy ; Membrane Lipids/analysis ; Neoplasm Metastasis/*etiology ; Neoplasms, Experimental/*analysis/pathology ; Rats ; Rats, Inbred Strains ; Triglycerides/analysis
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 97
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    Detection of high molecular weight forms of platelet-derived growth factor by sequence-specific antisera (1984)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1984-11-09
    Description: Antisera to synthetic peptides representing sequences of both chains of platelet-derived growth factor (PDGF) were used to structurally analyze PDGF isolated from outdated human platelets and PDGF-like proteins in normal and transformed cells. Most PDGF isolated from platelets did not contain the carboxyl portion of PDGF-2 in contrast to p20sis, the major form of p28sis detected in simian sarcoma virus-transformed cells. In addition, higher molecular weight forms of molecules containing PDGF-1 and PDGF-2 sequences were detected in all cell lines tested. These lines were heterogeneous with respect to species, cell type, and transforming agent.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Niman, H L -- Houghten, R A -- Bowen-Pope, D F -- CA 25803/CA/NCI NIH HHS/ -- HL 18645/HL/NHLBI NIH HHS/ -- New York, N.Y. -- Science. 1984 Nov 9;226(4675):701-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6494905" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Cell Line ; Electrophoresis, Polyacrylamide Gel ; Humans ; Immune Sera/immunology ; Molecular Weight ; Platelet-Derived Growth Factor/*immunology/isolation & purification ; Rats
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 98
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    Amplification of the c-myb oncogene in a case of human acute myelogenous leukemia (1984)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1984-06-08
    Description: Amplification is one of the mechanisms by which cellular oncogenes may be altered in their function, possibly leading to neoplastic transformation. The oncogenes c-myc, c- abl , and c-Ki-ras are amplified in several different human neoplasias. The oncogene c-myb, which is specifically expressed and regulated in hematopoietic cells, was found to be amplified in cell lines ML-1, ML-2, and ML-3, which were separately cultured from cells of a patient with acute myelogenous leukemia (AML). A five- to tenfold amplification was correlated with high levels of expression of normal size c-myb messenger RNA and with chromosomal abnormalities in the region 6q22 -24, where the c-myb locus is normally located. Amplification and cytogenetic abnormalities were detected in DNA's from primary and secondary cultures of ML cells, suggesting that they may have contributed to leukemogenesis. The similar AML cell lines HL-60 and ML's contain different amplified oncogenes: c-myc and c-myb, respectively. Alternative activation of structurally and possibly functionally similar oncogenes may distinguish--at the pathogenetic level--phenotypically similar tumors.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pelicci, P G -- Lanfrancone, L -- Brathwaite, M D -- Wolman, S R -- Dalla-Favera, R -- P30 CA-16087/CA/NCI NIH HHS/ -- RR 05399/RR/NCRR NIH HHS/ -- New York, N.Y. -- Science. 1984 Jun 8;224(4653):1117-21.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6585957" target="_blank"〉PubMed〈/a〉
    Keywords: Cell Line ; DNA, Neoplasm/genetics ; *Gene Amplification ; Humans ; Karyotyping ; Leukemia, Myeloid, Acute/*genetics ; Nucleic Acid Hybridization ; *Oncogenes
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 99
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    Detection, isolation, and continuous production of cytopathic retroviruses (HTLV-III) from patients with AIDS and pre-AIDS (1984)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1984-05-04
    Description: A cell system was developed for the reproducible detection of human T-lymphotropic retroviruses (HTLV family) from patients with the acquired immunodeficiency syndrome (AIDS) or with signs or symptoms that frequently precede AIDS (pre-AIDS). The cells are specific clones from a permissive human neoplastic T-cell line. Some of the clones permanently grow and continuously produce large amounts of virus after infection with cytopathic (HTLV-III) variants of these viruses. One cytopathic effect of HTLV-III in this system is the arrangement of multiple nuclei in a characteristic ring formation in giant cells of the infected T-cell population. These structures can be used as an indicator to detect HTLV-III in clinical specimens. This system opens the way to the routine detection of HTLV-III and related cytopathic variants of HTLV in patients with AIDS or pre-AIDS and in healthy carriers, and it provides large amounts of virus for detailed molecular and immunological analyses.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Popovic, M -- Sarngadharan, M G -- Read, E -- Gallo, R C -- New York, N.Y. -- Science. 1984 May 4;224(4648):497-500.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6200935" target="_blank"〉PubMed〈/a〉
    Keywords: Acquired Immunodeficiency Syndrome/*microbiology ; Cell Division ; Cell Line ; Cell Nucleus/ultrastructure ; Cell Survival ; Clone Cells/microbiology ; Cytopathogenic Effect, Viral ; Deltaretrovirus/growth & development/*isolation & purification ; Genetic Variation ; Humans ; RNA-Directed DNA Polymerase/metabolism ; T-Lymphocytes/microbiology ; Virus Cultivation
    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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  • 100
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    Neuroleptic-induced decrease in plasma homovanillic acid and antipsychotic activity in schizophrenic patients (1984)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1984-08-31
    Description: Plasma-free homovanillic acid, a major metabolite of dopamine, was measured in chronically ill schizophrenic patients both before and during treatment with the antipsychotic phenothiazine, fluphenazine. Neuroleptic treatment was associated with a significant time-dependent decrease in plasma homovanillic acid from pretreatment values, which were significantly elevated when compared with those of age- and sex-matched healthy control subjects. Further, both the absolute concentrations as well as the neuroleptic-induced reductions in plasma homovanillic acid determined over 5 weeks of neuroleptic treatment were statistically significantly correlated with ratings of psychosis and improvement in psychosis, respectively. These findings suggest that the delayed effects of neuroleptic agents on presynaptic dopamine activity may more closely parallel their therapeutic actions than do their immediate effects in blocking postsynaptic dopamine receptors and that a decrease in dopamine "turnover" may be responsible for their antipsychotic effects.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pickar, D -- Labarca, R -- Linnoila, M -- Roy, A -- Hommer, D -- Everett, D -- Paul, S M -- New York, N.Y. -- Science. 1984 Aug 31;225(4665):954-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6474162" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Dopamine/metabolism ; Female ; Fluphenazine/pharmacology/*therapeutic use ; Homovanillic Acid/*blood ; Humans ; Male ; Phenylacetates/*blood ; Schizophrenia/blood/*drug therapy ; Time Factors
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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