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  • 1
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1979-07-06
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Anylan, W G -- Gillin, C -- Solomon, F -- New York, N.Y. -- Science. 1979 Jul 6;205(4401):6.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/451580" target="_blank"〉PubMed〈/a〉
    Keywords: Flurazepam/adverse effects/therapeutic use ; Humans ; Hypnotics and Sedatives/adverse effects/*therapeutic use ; Sleep Initiation and Maintenance Disorders/*drug therapy
    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
    Publication Date: 1979-12-14
    Description: Caffeine (1,3,7-trimethylxanthine) is a biotransformation product of theophylline (1,3-dimethylxanthine) in the human fetus. Liver explants, obtained from human fetuses with gestational ages of 12 to 20 weeks, were incubated with theophylline and produced caffeine and, in lesser amounts, 1,3-dimethyluric acid and 3-methylxanthine. These findings suggest that the predominant pathway in theophylline metabolism in the fetus and newborn infant is the methylation reaction producing caffeine. This may contribute to the neonate's exceedingly slower elimination of caffeine relative to theophylline. Caffeine produced from theophylline may add to the pharmacologic effects of theophylline in newborn infants with apnea.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Aranda, J V -- Louridas, A T -- Vitullo, B B -- Thom, P -- Aldridge, A -- Haber, R -- New York, N.Y. -- Science. 1979 Dec 14;206(4424):1319-21.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/515734" target="_blank"〉PubMed〈/a〉
    Keywords: Apnea/drug therapy ; Biotransformation ; Caffeine/*biosynthesis/metabolism/therapeutic use ; Cells, Cultured ; Gestational Age ; Humans ; Infant, Newborn ; Liver/*embryology/metabolism ; Methylation ; Theophylline/*metabolism/therapeutic use
    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
    Publication Date: 1979-03-09
    Description: Sixty-eight independent hybrid clones were isolated after irradiated normal human lymphocytes were fused with Chinese hamster fibroblasts lacking hypoxanthine-guanine phosphoribosyltransferase activity. The cells were grown under selective conditions requiring retention of the X chromosome-linked locus for human hypoxanthine-guanine phosphoribosyltransferase. The frequency and patterns of cotransference of human phosphoribosylpyrophosphate synthetase with the selected marker and with additional X-linked enzymatic markers confirm X linkage of the structural gene for human phosphoribosylpyrophosphate synthetase and support assignment of this gene to a position on the long arm of the X, between the loci for alpha-galactosidase and hypoxanthine-guanine phosphoribosyltransferase.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Becker, M A -- Yen, R C -- Itkin, P -- Goss, S J -- Seegmiller, J E -- Bakay, B -- New York, N.Y. -- Science. 1979 Mar 9;203(4384):1016-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/218284" target="_blank"〉PubMed〈/a〉
    Keywords: Chromosome Mapping ; Female ; Genetic Linkage ; Humans ; Hybrid Cells ; Hypoxanthine Phosphoribosyltransferase/genetics ; Phosphotransferases/*genetics ; Ribose-Phosphate Pyrophosphokinase/*genetics ; *Sex Chromosomes ; *X Chromosome
    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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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1979-12-14
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Benarde, M A -- New York, N.Y. -- Science. 1979 Dec 14;206(4424):1256-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/515730" target="_blank"〉PubMed〈/a〉
    Keywords: *Carcinogens ; Food Additives/*adverse effects ; Humans ; Public Opinion
    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
    Publication Date: 1979-11-16
    Description: Murine teratocarcinomas were located in mice by external gamma-ray scintigraphy with an iodine-125-labeled monoclonal antibody specific to the tumors. The specificity of the method was increased by subtracting the radiation produced by an iodine-125-labeled indifferent monoclonal antibody of the same immunoglobulin class as the tumor-specific antibody.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ballou, B -- Levine, G -- Hakala, T R -- Solter, D -- New York, N.Y. -- Science. 1979 Nov 16;206(4420):844-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/493985" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antibodies, Neoplasm ; Clone Cells/immunology ; Mice ; Neoplasms, Experimental/diagnosis/immunology ; Radionuclide Imaging/*methods ; Teratoma/*diagnosis/immunology
    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
    Publication Date: 1979-09-07
    Description: In laboratory rodents, concentrations of reduced glutathione (GSH) are exceedingly high (up to 7 to 8 millimolar) in the glandular gastric tissue compared to concentrations in other portions of the gastrointestinal tract or to those of most other organs. Gastric GSH varies diurnally, with the highest levels occurring in the late afternoon or early evening. Starvation, treatment with diethyl maleate, or cold-restraint stress all caused marked decreases in stomach GSH, whereas treatment with cobaltous chloride caused an increase in the GSH concentrations. The physiological significance of the high gastric GSH is unknown, but because this endogenous compound may strongly modulate (decrease or increase) the macromolecular binding of certain chemicals capable of inducing stomach tumors, the possible role of glutathione in the pathogenesis of chemically induced gastric cancer should be considered.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Body, S C -- Sasame, H A -- Body, M R -- New York, N.Y. -- Science. 1979 Sep 7;205(4410):1010-2.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/572989" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Circadian Rhythm ; Cobalt/pharmacology ; Food Deprivation ; Glutathione/*metabolism ; Liver/metabolism ; Rats ; Stomach/*metabolism ; Stomach Neoplasms/*etiology ; Stress, Physiological/physiopathology
    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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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1979-04-06
    Description: Vascular casts of the pituitary gland have demonstrated a paucity of veins extending from the adenohypophysis to the systemic circulation and have suggested that some adenohypophyseal venous blood returns to the neurohypophysis. The neurohypophyseal capillary bed may function as a vascular switch and in this article a series of 14 questions are proposed regarding the vascular dynamics of the pituitary. Together these questions raise the larger question, namely, whether pituitary hormones are transported directly to the brain to modify brain function?〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bergland, R M -- Page, R B -- New York, N.Y. -- Science. 1979 Apr 6;204(4388):18-24.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/373118" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Arteriovenous Anastomosis/anatomy & histology ; Capillaries/anatomy & histology ; Cats ; *Cerebrovascular Circulation ; Dogs ; Humans ; Hypothalamo-Hypophyseal System/blood supply ; Pituitary Gland/*blood supply ; Pituitary Gland, Anterior/blood supply ; Rats ; Species Specificity
    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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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1979-03-16
    Description: Subcutaneous injections of naloxone, an opiate antagonist, lead to an increase in serum luteinizing hormone concentrations in female but not in male rats before they reach puberty. In addition, estradiol benzoate specifically blocks the luteinizing hormone response to naloxone in prepubertal female rats, suggesting that the opioid peptides have a physiological role in the endocrine events leading to sexual maturation.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Blank, M S -- Panerai, A E -- Friesen, H G -- New York, N.Y. -- Science. 1979 Mar 16;203(4385):1129-31.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/424743" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Endorphins/antagonists & inhibitors/*physiology ; Estradiol/pharmacology ; Female ; Luteinizing Hormone/blood/*secretion ; Male ; Naloxone/antagonists & inhibitors/pharmacology ; Rats ; Secretory Rate/drug effects ; Sexual Maturation/*drug effects
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 9
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1979-11-09
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Broad, W J -- New York, N.Y. -- Science. 1979 Nov 9;206(4419):666-8.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/493971" target="_blank"〉PubMed〈/a〉
    Keywords: Diet/*adverse effects ; Disease/*etiology ; Humans ; Legislation as Topic ; National Institutes of Health (U.S.) ; Nutritional Physiological Phenomena ; Peer Review ; Preventive Medicine/methods ; Research Support as Topic ; United States
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 10
    Publication Date: 1979-10-05
    Description: The metabolism of americium-241 has been studied during an 8-year period in an adult male and his son who, at the ages of 50 and 4 years, respectively, were accidentally and unknowingly contaminated within their home by means of inhalation. Chelation therapy with calcium trisodium pentetate was more effective in enhancing the removal of americium-241 from the child than from the father.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cohen, N -- Sasso, T L -- Wrenn, M E -- New York, N.Y. -- Science. 1979 Oct 5;206(4414):64-6.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/482925" target="_blank"〉PubMed〈/a〉
    Keywords: Age Factors ; Americium/*metabolism/poisoning ; Body Burden ; Body Height ; Body Weight ; Bone and Bones/metabolism ; Chelating Agents/*therapeutic use ; Child, Preschool ; Humans ; Liver/metabolism ; Lung/metabolism ; Male ; Middle Aged
    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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