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  • Male  (122)
  • American Association for the Advancement of Science (AAAS)  (122)
  • 1980-1984  (122)
  • 1935-1939
  • 1983  (122)
Collection
Keywords
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  • American Association for the Advancement of Science (AAAS)  (122)
Years
  • 1980-1984  (122)
  • 1935-1939
Year
  • 1
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    Estradiol fatty acid esters occur naturally in human blood (1983)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1983-12-23
    Description: Treatment of nonpolar ether extracts of human female blood with mild alkali produced more immunoassayable estradiol than the unhydrolyzed extract. Analysis of the serum extracts showed that the substance which released immunoreactive estradiol after hydrolysis has chromatographic properties identical to those of fatty acid esters of estradiol esterified at carbon 17. The physiological role of these previously unknown endogenous esters might be inferred from their structural similarity to synthetic drugs used therapeutically for their prolonged estrogenic action.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Janocko, L -- Hochberg, R B -- CA29591/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1983 Dec 23;222(4630):1334-6.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6419346" target="_blank"〉PubMed〈/a〉
    Keywords: Chromatography, High Pressure Liquid ; Esters ; Estradiol/*analogs & derivatives/blood ; Fatty Acids ; Female ; Humans ; Hydrogen-Ion Concentration ; Hydrolysis ; Male ; Menotropins/pharmacology ; Menstruation ; Radioimmunoassay
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 2
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    Biotinated probe containing a long-terminal repeat hybridized to a mouse colon tumor and normal tissue (1983)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1983-12-23
    Description: The cloned complementary DNA pMCT-1, which contains an intracisternal A particle long-terminal repeat, is more highly expressed in a mouse colon tumor than in the normal mouse colon. In situ hybridization of biotin-substituted pMCT-1 to fixed frozen sections shows that expression of pMCT-1 is seen throughout the tumor and is highly heterogeneous on a cellular basis, while expression is undetectable in any cell in the normal colonic mucosa.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Royston, M E -- Augenlicht, L H -- CA 22367/CA/NCI NIH HHS/ -- CA 33383/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1983 Dec 23;222(4630):1339-41.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6689218" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Biotin ; Colon/*analysis ; Colonic Neoplasms/*genetics/pathology ; Dna ; Interphase ; Intestinal Mucosa/analysis ; Male ; Mice ; Mice, Inbred BALB C ; *Nucleic Acid Hybridization ; RNA, Neoplasm/*genetics ; Repetitive Sequences, Nucleic Acid ; *Transcription, Genetic
    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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  • 3
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    Math genius may have hormonal basis (1983)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1983-12-23
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kolata, G -- New York, N.Y. -- Science. 1983 Dec 23;222(4630):1312.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6658454" target="_blank"〉PubMed〈/a〉
    Keywords: Child ; *Child, Gifted ; Female ; Humans ; Infant ; Male ; *Mathematics ; Sex Factors ; Testosterone/*physiology
    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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  • 4
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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
    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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  • 5
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    Dietary chloride as a determinant of "sodium-dependent" hypertension (1983)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1983-12-09
    Description: The uninephrectomized rat given desoxycorticosterone (DOC) provides a classic model of "sodium-dependent" hypertension. In such rats, the extent to which a given dietary intake of sodium induced an increase in blood pressure depended on whether or not the anionic component of the sodium salt was chloride. With normal and high dietary intakes of sodium, sodium chloride induced increases in blood pressure much greater than that induced by approximately equimolar amounts of sodium bicarbonate, sodium ascorbate, or a combination of sodium bicarbonate and sodium ascorbate. A normal amount of dietary sodium chloride induced hypertension, whereas an equimolar amount of sodium bicarbonate did not increase blood pressure. This difference could not be attributed to differences in sodium or potassium balances, weight gain, or caloric intake. The DOC model of "sodium-dependent" hypertension might better be considered sodium chloride-dependent.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kurtz, T W -- Morris, R C Jr -- R01-AM32631-01/AM/NIADDK NIH HHS/ -- RR-00079/RR/NCRR NIH HHS/ -- New York, N.Y. -- Science. 1983 Dec 9;222(4628):1139-41.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6648527" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Blood Volume ; Chlorides/*physiology ; Disease Models, Animal ; Hydrogen-Ion Concentration ; Hypertension/*etiology ; Male ; Rats ; Sodium/physiology
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 6
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    Acquired immune deficiency syndrome abroad. The new immune deficiency disease is now found in several countries: links to Central Africa and Haiti may provide clues to its origin (1983)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1983-12-02
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Marx, J L -- New York, N.Y. -- Science. 1983 Dec 2;222(4627):998-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6648521" target="_blank"〉PubMed〈/a〉
    Keywords: Acquired Immunodeficiency Syndrome/*epidemiology/transmission ; Africa, Central ; Blood ; Europe ; Female ; Haiti ; Homosexuality ; Humans ; Male ; Sarcoma, Kaposi/epidemiology ; United States
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 7
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    L-tryptophan: a common denominator of biochemical and neurological events of acute hepatic porphyria? (1983)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1983-12-02
    Description: Hepatic porphyrias are disorders of heme synthesis characterized by genetically determined lesions of one of the key enzymes of heme synthesis. In carriers of such lesions, several factors (drugs, environmental chemicals, or diet) precipitate acute and often fatal attacks of neurologic dysfunction, which are promptly relieved by intravenous infusion of heme. However, the mechanism of such heme-induced amelioration remains elusive. To probe this mechanism, the biochemical events triggered by acute hepatic heme deficiency were examined in an animal model of chemically induced porphyria. Acute hepatic heme depletion in porphyric rats was found to impair hepatic tryptophan pyrrolase activity which, in turn, elevated tryptophan and 5-hydroxytryptamine turnover in the brain. These alterations in porphyric rats were dramatically reversed by parenteral heme administration. These findings suggest that increased tryptophan and 5-hydroxytryptamine in the nervous system may be responsible for the neurologic dysfunctions observed in humans with acute attacks of hepatic porphyria.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Litman, D A -- Correia, M A -- AM-26506/AM/NIADDK NIH HHS/ -- AM-26743/AM/NIADDK NIH HHS/ -- New York, N.Y. -- Science. 1983 Dec 2;222(4627):1031-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6648517" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Brain/*metabolism ; Heme/*deficiency/pharmacology ; Liver/enzymology ; Liver Diseases/complications/*metabolism ; Male ; Nervous System Diseases/etiology ; Porphyrias/complications/*metabolism ; Rats ; Rats, Inbred Strains ; Serotonin/metabolism ; Tryptophan/*metabolism ; Tryptophan Oxygenase/metabolism
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 8
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    Sex differences in mathematical reasoning ability: more facts (1983)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1983-12-02
    Description: Almost 40,000 selected seventh-grade students from the Middle Atlantic region of the United States took the College Board Scholastic Aptitude Test as part of the Johns Hopkins regional talent search in 1980, 1981, and 1982. A separate nationwide talent search was conducted in which any student under age 13 who was willing to take the test was eligible. The results obtained by both procedures establish that by age 13 a large sex difference in mathematical reasoning ability exists and that it is especially pronounced at the high end of the distribution: among students who scored greater than or equal to 700, boys outnumbered girls 13 to 1. Some hypothesized explanations of such differences were not supported by the data.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Benbow, C P -- Stanley, J C -- New York, N.Y. -- Science. 1983 Dec 2;222(4627):1029-31.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6648516" target="_blank"〉PubMed〈/a〉
    Keywords: Child ; *Cognition ; Female ; Humans ; Male ; *Mathematics ; Sex Factors ; United States
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 9
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    Specific expression of transferred genes. Foreign genes, which were transferred into mice, appear to be expressed according to more normal patterns of tissue distribution (1983)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1983-12-02
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Marx, J L -- New York, N.Y. -- Science. 1983 Dec 2;222(4627):1001-2.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6417788" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cloning, Molecular ; Female ; *Gene Expression Regulation ; *Genetic Engineering ; Immunoglobulin Light Chains/*genetics ; Immunoglobulin kappa-Chains/biosynthesis/*genetics ; Liver/metabolism ; Male ; Mice ; Organ Specificity ; Spleen/metabolism ; Transferrin/biosynthesis/*genetics
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 10
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    Development of gynogenetic eggs in the mouse: implications for parthenogenetic embryos (1983)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1983-12-02
    Description: Mouse eggs with different genetic constitutions were prepared by micromanipulation of fertilized diploids and triploids. The diploid gynogenones, activated by the male gamete which was then removed, developed at best to about the 25-somite stage as did the genetically similar diploid parthenogenones stimulated to develop in the complete absence of the male gamete. The failure of development to term in both cases may be due to homozygosity and does not appear to be due to a lack of extragenetic contribution from spermatozoa.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Surani, M A -- Barton, S C -- New York, N.Y. -- Science. 1983 Dec 2;222(4627):1034-6.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6648518" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Division ; Cytoplasm/physiology ; Embryo Implantation ; Embryo Transfer ; Embryo, Mammalian/*physiology ; Female ; Genes, Lethal ; Homozygote ; Male ; Mice ; Mice, Inbred BALB C ; Mice, Inbred C57BL ; *Parthenogenesis ; Spermatozoa/physiology
    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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