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  • Female  (231)
  • Dose-Response Relationship, Drug  (59)
  • American Association for the Advancement of Science (AAAS)  (273)
  • 1975-1979  (273)
Collection
Keywords
Publisher
  • American Association for the Advancement of Science (AAAS)  (273)
  • Springer  (2)
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Year
  • 1
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    Regional localization of the gene for human phosphoribosylpyrophosphate synthetase on the X chromosome (1979)
    American Association for the Advancement of Science (AAAS)
    Details
    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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  • 2
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    Opioid peptides modulate luteinizing hormone secretion during sexual maturation (1979)
    American Association for the Advancement of Science (AAAS)
    Details
    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
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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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    Ingested mineral fibers: elimination in human urine (1979)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1979-04-13
    Description: Sediment in human urine examined by transmission electron microscopy contains amphibole fibers which originate from the ingestion of drinking water contaminated with these mineral fibers. The ingestion of filtered water results in the eventual disappearance of amphibole fibers from urine. These observations provide the first direct evidence for the passage of mineral fibers through the human gastro-intestinal mucosa under normal conditions of the alimentary canal.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cook, P M -- Olson, G F -- New York, N.Y. -- Science. 1979 Apr 13;204(4389):195-8.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/219478" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Aged ; Female ; Gastric Mucosa/metabolism ; Humans ; Intestinal Absorption ; Intestinal Mucosa/metabolism ; Male ; Middle Aged ; Silicon Dioxide/metabolism/*urine ; *Water Pollutants ; *Water Pollutants, Chemical
    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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    Preferential transmission of the Z deficient allele of alpha 1-antitrypsin (1979)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1979-07-27
    Description: The transmission of the Z deficient allele of alpha 1-antitrypsin was studied in 23 families, each with a single parent heterozygous for this allele. When the mother carried the Z allele, the distribution of phenotypes in the children did not differ significantly from the expected frequency. In contrast, when the father was the carrier, a significant increase of heterozygous phenotypes was observed in the children. This observation suggests that a selective advantage is associated with the expression of the Z allele in male gametes.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Chapuis-Cellier, C -- Arnaud, P -- New York, N.Y. -- Science. 1979 Jul 27;205(4404):407-8.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/313077" target="_blank"〉PubMed〈/a〉
    Keywords: *Alleles ; Child ; Female ; Heterozygote Detection ; Humans ; Male ; *Polymorphism, Genetic ; Sex Factors ; alpha 1-Antitrypsin/genetics ; *alpha 1-Antitrypsin Deficiency
    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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    Neuronal chemotaxis: chick dorsal-root axons turn toward high concentrations of nerve growth factor (1979)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1979-11-30
    Description: Micropipettes containing 2 to 50 biological units of beta growth factor (NGF) were placed near growing axons of chick dorsal-root ganglion neurons in tissue culture. The axons turned and grew toward the NGF source within 21 minutes. This turning response to elevated concentrations of NGF appears to represent chemotactic guidance rather than a general enhancement of growth rate.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Gundersen, R W -- Barrett, J N -- New York, N.Y. -- Science. 1979 Nov 30;206(4422):1079-80.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/493992" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Axons/growth & development/*physiology ; Cells, Cultured ; *Chemotaxis/drug effects ; Chick Embryo ; Dose-Response Relationship, Drug ; Ganglia, Spinal/physiology ; Nerve Growth Factors/*pharmacology
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 6
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    Cerebral specialization, writing posture, and motor control of writing in left-handers (1979)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1979-09-21
    Description: It has been suggested that the inverted hand position of left-handers during writing indicates the left hemisphere of their brain is linguistically specialized and that the writing of these left-handers may be controlled via ipsilateral pathways. Electroencephalograph alpha asymmetry measures at central and parietal leads, as well as dichotic tests, differentiated right-handers from left-handers, but not inverters from noninverters. Electroencephalograph differences between hand posture groups did appear, but only at occipital leads during reading and writing tasks. Regardless of hand posture or speech lateralization, the right central region of the brain is significantly involved in the control of left-handed writing.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Herron, J -- Galin, D -- Johnstone, J -- Ornstein, R E -- New York, N.Y. -- Science. 1979 Sep 21;205(4412):1285-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/472745" target="_blank"〉PubMed〈/a〉
    Keywords: Auditory Perception/physiology ; Brain/*physiology ; Cognition/physiology ; Female ; *Functional Laterality ; Humans ; Male ; Movement ; *Posture ; Speech/physiology ; Visual Perception/physiology ; *Writing
    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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    Chromosome 13 long arm interstitial deletion may result from maternal inverted insertion (1979)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1979-09-07
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hoegerman, S F -- New York, N.Y. -- Science. 1979 Sep 7;205(4410):1035-6.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/472726" target="_blank"〉PubMed〈/a〉
    Keywords: Chromosome Aberrations/*genetics ; Chromosome Deletion ; Chromosome Disorders ; Chromosome Inversion ; *Chromosomes, Human, 13-15 ; Female ; Humans
    Print ISSN: 0036-8075
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  • 8
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    Vomeronasal and olfactory system modulation of maternal behavior in the rat (1979)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1979-01-26
    Description: The onset of maternal responsiveness by virgin female rats to foster pups was observed after (i) complete vomeronasal nerve cuts, (ii) partial olfactory bulb cuts, or (iii) the combined procedures. Although both vomeronasal nerve cuts and olfactory bulb cuts resulted in a more rapid onset of maternal care, relative to control animals with sham operations, animals sustaining the loss of both sources of olfactory input exhibited the shortest response latency. These findings are discussed in terms of the probable distinct functions of the two olfactory systems in the control of maternal behavior in the rat.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Fleming, A -- Vaccarino, F -- Tambosso, L -- Chee, P -- New York, N.Y. -- Science. 1979 Jan 26;203(4378):372-4.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/760196" target="_blank"〉PubMed〈/a〉
    Keywords: Afferent Pathways ; Animals ; Central Nervous System/*physiology ; Female ; *Maternal Behavior ; Olfactory Bulb/physiology ; Olfactory Pathways/*physiology ; Rats ; Smell/*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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  • 9
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    Difference between postpartum and nutritional amenorrhea (1979)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1979-03-02
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Frisch, R E -- McArthur, J W -- New York, N.Y. -- Science. 1979 Mar 2;203(4383):921-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/419411" target="_blank"〉PubMed〈/a〉
    Keywords: Amenorrhea/*etiology/physiopathology ; Body Weight ; Female ; Humans ; Lactation ; Nutrition Disorders/complications ; Pregnancy ; Time Factors
    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 the capacity for tactile information transfer between hemispheres in normal children (1979)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1979-06-22
    Description: The hypothesis of less direct interaction between hemispheres in young children was supported by a behavioral test. Fabric samples were compared with either the same hand (same hemisphere) or with opposite hands (between hemispheres). Crossed errors were a significantly larger proportion of total errors in 3-year-olds than in 5-year-olds.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Galin, D -- Johnstone, J -- Nakell, L -- Herron, J -- New York, N.Y. -- Science. 1979 Jun 22;204(4399):1330-2.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/451542" target="_blank"〉PubMed〈/a〉
    Keywords: Brain/*growth & development/physiology ; Child, Preschool ; Female ; *Functional Laterality ; Humans ; Touch/*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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  • 11
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    Electroencephalogram correlates of higher cortical functions (1979)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1979-02-16
    Description: By means of two-stage, nonlinear multivariate pattern recognition, electroencephalograms (EEG's) were analyzed during performance of verbal and spatial tasks. Complex scalp distributions of theta-, beta-, and, to a lesser extent, alpha-band spectral intensities discriminated between the two members of a pair of tasks, such as writing sentences and Koh's block design. Small EEG asymmetries were probably attributable to limb movements and other uncontrolled noncognitive aspects of tasks. Significant EEG differences beteeen cognitive tasks were eliminated when controls for inter-task differences in efferent activity, stimulus characteristics, and performance-related factors were introduced. Each controlled task was associated with an approximately 10 percent reduction, as compared with visual fixation, in the magnitude of alpha- and beta-band spectral intensity. This effect occurred bilaterally and was approximately the same over occipital, parietal, and central regions, with some minor difference over the frontal region in the beta band. With these controls, no evidence for lateralization of different cognitive functions was found in the EEG.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Gevins, A S -- Zeitlin, G M -- Doyle, J C -- Yingling, C D -- Schaffer, R E -- Callaway, E -- Yeager, C L -- New York, N.Y. -- Science. 1979 Feb 16;203(4381):665-8.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/760212" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Cerebral Cortex/*physiology ; Cognition/*physiology ; *Electroencephalography ; Female ; *Functional Laterality ; Humans ; Male ; Memory/physiology ; Movement ; Pattern Recognition, Visual/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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  • 12
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    Effect of beta-endorphin on calcium uptake in the brain (1979)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1979-10-05
    Description: The uptake of 45Ca2+ by nerve-ending fractions from brains of mice was inhibited in vitro by 10(-9)M concentrations of beta-endorphin and in mice injected intraventricularly with 7 picomoles of beta-endorphin. That the effect was a specific opiate agonist response of beta-endorphin was demonstrated by use of the opiate antagonist, naloxone, which reversed the action. A role for beta-endorphin in the regulation of calcium flux and neurotransmitter release should be considered.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Guerrero-Munoz, F -- de Lourdes Guerrero, M -- Way, E L -- Li, C H -- New York, N.Y. -- Science. 1979 Oct 5;206(4414):89-91.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/39340" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Biological Transport/drug effects ; Calcium/*metabolism ; Dose-Response Relationship, Drug ; Drug Tolerance ; Endorphins/antagonists & inhibitors/*pharmacology ; Male ; Mice ; Naloxone/pharmacology ; Neurotransmitter Agents/metabolism ; Rats ; Synaptosomes/*drug effects/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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  • 13
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    Vitamin D deficiency and reproduction in rats (1979)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1979-04-06
    Description: Female weanling rats from a colony maintained on a diet low in vitamin D were raised on a diet that was deficient in vitamin D but was otherwise adequate. Vitamin D deficiency was confirmed in the rats by hypocalcemia and the absence of vitamin D metabolites in blood. These females gave birth to litters that were slightly smaller than control litters from females maintained on a vitamin D-containing diet. The pups from the vitamin D-deficient mothers appeared normal throughout lactation, and at weaning had normal concentrations of calcium and phosphate in the plasma. These results indicate that vitamin D and its metabolites are not necessary for reproduction and fetal development in the rat.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Halloran, B P -- DeLuca, H F -- New York, N.Y. -- Science. 1979 Apr 6;204(4388):73-4.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/432628" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Animals, Suckling/blood ; Body Weight ; Bone Development ; Calcium/blood ; Female ; Hydroxycholecalciferols/blood ; Phosphates/blood ; Rats ; *Reproduction ; Vitamin D Deficiency/blood/*physiopathology
    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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  • 14
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    Human skin fibroblasts derived from papillary and reticular dermis: differences in growth potential in vitro (1979)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1979-05-04
    Description: Papillary fibroblasts, when compared to reticular fibroblasts from the same skin specimen, exhibit greater proliferative capacities in vitro. These results demonstrate a difference in function between morphologically similar cells obtained from the same tissue. Such findings represent an important consideration in the study of cell aging in vitro.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Harper, R A -- Grove, G -- New York, N.Y. -- Science. 1979 May 4;204(4392):526-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/432659" target="_blank"〉PubMed〈/a〉
    Keywords: Cell Division ; Female ; Fibroblasts/cytology ; Humans ; Male ; Skin/*cytology
    Print ISSN: 0036-8075
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  • 15
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    Radioimmunoassay of the insulin receptor: a new probe of receptor structure and function (1979)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1979-02-09
    Description: A sensitive and specific radioimmunoassay for the insulin receptor has been developed employing receptor autoantibodies from the serum of a patient with insulin-resistant diabetes. The assay detects insulin binding sites at concentrations as low as 0.1 nanomolar; distinguishes between receptors originating from human placental membranes, human lymphoblastoid cells, and mouse liver membranes; and measures the receptor independently of its binding function. Down-regulation, or loss of binding after exposure to insulin, is associated with loss of immunoreactive receptor.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Harrison, L C -- Flier, J -- Itin, A -- Kahn, C R -- Roth, J -- New York, N.Y. -- Science. 1979 Feb 9;203(4380):544-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/83675" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antigen-Antibody Reactions ; Binding Sites ; Binding Sites, Antibody ; Epitopes ; Female ; Humans ; Liver/analysis ; Lymphocytes/analysis ; Mice ; Placenta/analysis ; Pregnancy ; Radioimmunoassay/methods ; Receptor, Insulin/analysis/*immunology ; Solubility
    Print ISSN: 0036-8075
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  • 16
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    Smallpox death in Britain challenges presumption of laboratory safety (1979)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1979-03-02
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hawkes, N -- New York, N.Y. -- Science. 1979 Mar 2;203(4383):855-6.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/419409" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Female ; Great Britain ; Humans ; Jurisprudence ; Laboratories/*standards ; Peer Review ; Safety ; Smallpox/*etiology ; World Health Organization
    Print ISSN: 0036-8075
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 17
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    Cancer and environment: Higginson speaks out (1979)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1979-09-28
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Higginson, J -- New York, N.Y. -- Science. 1979 Sep 28;205(4413):1363-4, 1366.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/472753" target="_blank"〉PubMed〈/a〉
    Keywords: Behavior ; *Carcinogens ; Diet ; *Environment ; Female ; Humans ; Life Style ; Male ; Neoplasms/*etiology ; Stress, Psychological/complications
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 18
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    Iodine-125--labeled estradiol: a gamma-emitting analog of estradiol that binds to the estrogen receptor (1979)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1979-09-14
    Description: 17 beta-[16 alpha-125I]Iodoestradiol has been synthesized by exchange of 16 beta-bromoestradiol with Na125I. The iodinated product is readily separated from the bromo reactant by column chromatography. It concentrates in the rat uterus in vivo and binds avidly and specifically to the uterine estrogen receptor in vitro.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hochberg, R B -- New York, N.Y. -- Science. 1979 Sep 14;205(4411):1138-40.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/472733" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Estradiol/*analogs & derivatives/analysis/metabolism ; Female ; Iodine Radioisotopes ; Radioimmunoassay/methods ; Rats ; Receptors, Estrogen/*metabolism ; Uterus/metabolism
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  • 19
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    Stimulation of human periaqueductal gray for pain relief increases immunoreactive beta-endorphin in ventricular fluid (1979)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1979-01-19
    Description: Immunoreactive beta-endorphin was measured in the ventricular fluid of six patients with chronic pain. Stimulation of the periaqueductal gray matter in three patients with pain of peripheral origin resulted in significant increases (50 to 300 percent) in the concentration of ventricular immunoreactive beta-endorphin. In three other patients suffering deafferentation dysesthesia, stimulation of the posterior limb of the internal capsule did not alter the concentration of this peptide. These results provide evidence of the release of human immunoreactive beta-endorphin in vivo and suggest that naloxone-reversible pain relief achieved by stimulation of the periaqueductal gray matter may be in part mediated by the activation of beta-endorphin-rich diencephalic areas.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hosobuchi, Y -- Rossier, J -- Bloom, F E -- Guillemin, R -- New York, N.Y. -- Science. 1979 Jan 19;203(4377):279-81.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/83674" target="_blank"〉PubMed〈/a〉
    Keywords: Aged ; Brain/*physiology ; Cerebral Aqueduct ; Electric Stimulation ; Endorphins/*cerebrospinal fluid/immunology ; Enkephalins/cerebrospinal fluid ; Female ; Humans ; Male ; Middle Aged ; Palliative Care/methods ; Radioimmunoassay
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    Mammary cancer: selective action of the estrogen receptor complex (1979)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1979-01-26
    Description: Progesterone receptors in the autonomous rat mammary tumor MTW-9B are reduced 80 to 90 percent after ovariectomy, but are not reduced if ovariectomized animals are given estrogen. Tumor growth, however, is independent of estrogen status and insensitive to pharmacological doses of estradiol. This represents an unusual system characterized by a selective action of an inducing agent on the genome.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ip, M -- Milholland, R J -- Rosen, F -- Kim, U -- New York, N.Y. -- Science. 1979 Jan 26;203(4378):361-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/760195" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Castration ; Cytosol/metabolism ; Estradiol/metabolism/pharmacology ; Female ; Male ; Mammary Neoplasms, Experimental/*metabolism ; Rats ; Receptors, Estrogen/*metabolism ; Receptors, Progesterone/biosynthesis/drug effects/*metabolism
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    DNA polymerase with characteristics of reverse transcriptase purified from human milk (1979)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1979-05-04
    Description: A DNA polymerase purified from a particulate fraction of human milk has biochemical and biophysical properties similar to those of viral reverse transcriptases. This enzyme is immunologically distinct from cellular DNA polymerases obtained from a variety of human sources.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kantor, J A -- Lee, Y H -- Chirikjian, J G -- Feller, W F -- New York, N.Y. -- Science. 1979 May 4;204(4392):511-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/86209" target="_blank"〉PubMed〈/a〉
    Keywords: DNA-Directed DNA Polymerase/immunology/*metabolism ; Female ; Humans ; Milk, Human/*enzymology ; Molecular Weight ; RNA-Directed DNA Polymerase/immunology/*metabolism ; Retroviridae/enzymology ; Substrate Specificity ; Templates, Genetic
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  • 22
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    3-Methoxy-4-hydroxyphenethyleneglycol production by human brain in vivo (1979)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1979-09-07
    Description: A direct method has been employed to estimate the rate of production by human brain of 3-methoxy-4-hydroxyphenethyleneglycol, the major metabolite of brain norepinephrine, a brain neurotransmitter. Venous specimens were obtained from the internal jugular vein from ten awake human subjects at a puncture site above the common facial vein, the first major source of extracranial inflow. Arterial specimens were simultaneously obtained from the radial artery. Plasma samples were assayed and a highly significant difference was found in the concentration of the metabolite in plasma coming out of the brain (venous blood) as compared to plasma entering the brain (arterial blood). This venous-arterial difference was calculated to be 0.7 +/- 0.1 nanogram per milliliter of blood. Assuming an adult brain weight of 1400 grams and normal cerebral blood flow, it is estimated that the rate of production of 3-methoxy-4-hydroxyphenethyleneglycol by the awake human brain is approximately 597 nanograms per minute or 35.8 micrograms per hour. Urine specimens were also collected from six of these subjects during a period of 1 to 3.5 hours, which bracketed the time the blood samples were obtained. For these six subjects the output of 3-methyoxy-4-hydroxyphenethyleneglycol by whole brain was estimated to be 40.9 micrograms per hour, whereas the rate of its excretion into urine was 64.5 micrograms per hour.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Maas, J W -- Hattox, S E -- Greene, N M -- Landis, D H -- New York, N.Y. -- Science. 1979 Sep 7;205(4410):1025-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/472724" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Brain/*metabolism ; Cerebrovascular Circulation ; Female ; Glycols/*metabolism ; Humans ; Male ; Methoxyhydroxyphenylglycol/blood/*metabolism/urine ; Middle Aged ; Norepinephrine/metabolism
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  • 23
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    Imbalance in X-chromosome expression: evidence for a human X-linked gene affecting growth of hemopoietic cells (1979)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1979-09-28
    Description: In each of six family members who were heterozygous at the X-linked locus for glucose-6-phosphate dehydrogenase, only one or the other of the two alleles at that locus was almost exclusively expressed. The data are consistent with evidence that X-chromosome inactivation is a random process that may be followed by selection for one of the two resulting cell types on the basis of an unknown gene, which is located on the X chromosome and which can affect the rate of proliferation of hemopoietic cells in humans.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Luzzatto, L -- Usanga, E A -- Bienzle, U -- Esan, G F -- Fusuan, F A -- New York, N.Y. -- Science. 1979 Sep 28;205(4413):1418-20.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/472761" target="_blank"〉PubMed〈/a〉
    Keywords: Alleles ; Erythrocytes/enzymology ; Female ; Genetic Linkage ; Glucosephosphate Dehydrogenase/blood/genetics ; *Hematopoiesis ; Heterozygote ; Humans ; Leukocytes/enzymology ; *Mosaicism ; *Sex Chromosomes ; *X Chromosome
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  • 24
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    Treatment reduces deaths from hypertension (1979)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1979-12-21
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kolata, G B -- New York, N.Y. -- Science. 1979 Dec 21;206(4425):1386-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/505012" target="_blank"〉PubMed〈/a〉
    Keywords: Antihypertensive Agents/therapeutic use ; Blood Pressure ; Diet, Sodium-Restricted ; Female ; Humans ; Hypertension/complications/*drug therapy/physiopathology ; Male ; Myocardial Infarction/etiology/prevention & control
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  • 25
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    Sex hormones and brain development (1979)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1979-09-07
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kolata, G B -- New York, N.Y. -- Science. 1979 Sep 7;205(4410):985-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/112680" target="_blank"〉PubMed〈/a〉
    Keywords: Adrenocortical Hyperfunction/physiopathology ; Animals ; Behavior/*physiology ; Behavior, Animal/physiology ; Brain/*growth & development ; Female ; Gonadal Steroid Hormones/*physiology ; Haplorhini ; Humans ; Male ; Preoptic Area/growth & development ; Rats ; Receptors, Estrogen/metabolism ; Sex Differentiation ; Testosterone/metabolism
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  • 26
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    Scientists attack report that obstetrical medications endanger children (1979)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1979-04-27
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kolata, G B -- New York, N.Y. -- Science. 1979 Apr 27;204(4391):391-2.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/87012" target="_blank"〉PubMed〈/a〉
    Keywords: Anesthesia, Obstetrical/*adverse effects ; Child ; Child Development/*drug effects ; Child, Preschool ; Delivery, Obstetric/methods ; Developmental Disabilities/chemically induced ; Female ; Humans ; Infant ; Infant, Newborn ; Labor, Obstetric ; Methods ; Pregnancy
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  • 27
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    Moment of inertia: psychophysical study of an overlooked sensation (1979)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1979-11-02
    Description: The distribution of mass in an object held in the hand, as described by its moment of inertia, is a fundamental and potent but largely unrecognized contributor to the object's "feel." A limited set of experiments has produced Weber fractions for human differential sensitivity to this property in the approximate range of 1/5 to 1/3, which is about ten times the Weber fraction reported for lifted weights.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kreifeldt, J G -- Chuang, M C -- New York, N.Y. -- Science. 1979 Nov 2;206(4418):588-90.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/493965" target="_blank"〉PubMed〈/a〉
    Keywords: Biophysical Phenomena ; *Biophysics ; Female ; Humans ; Male ; Weight Perception/*physiology
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  • 28
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    The annual Pap smear: an idea whose time has gone? (1979)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1979-07-13
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Marx, J L -- New York, N.Y. -- Science. 1979 Jul 13;205(4402):177-8.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/451586" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Female ; Humans ; Mass Screening/*economics ; Middle Aged ; *Papanicolaou Test ; Risk ; Socioeconomic Factors ; Uterine Cervical Neoplasms/epidemiology/*prevention & control ; Vaginal Smears/*economics
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  • 29
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    The HDL: the good cholestrol carriers? (1979)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1979-08-17
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Marx, J L -- New York, N.Y. -- Science. 1979 Aug 17;205(4407):677-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/223241" target="_blank"〉PubMed〈/a〉
    Keywords: Age Factors ; Cholesterol/*blood/metabolism ; Diet ; Female ; Humans ; Lipoproteins, HDL/*blood ; Lipoproteins, LDL/blood ; Male ; Middle Aged ; Myocardial Infarction/etiology ; Risk ; Running ; Sex Factors ; Tissue Distribution
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  • 30
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    Pharmacologic effects in man of a potent, long-acting dopamine receptor agonist (1979)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1979-09-14
    Description: Single-dose administration of pergolide mesylate (100 to 400 micrograms) results in a dose-related inhibition of prolactin secretion which persists for more than 24 hours. During multiple-dose administration of pergolide, plasma prolactin concentrations remain markedly reduced (greater than 80 percnet) and gradually return to control levels several days after drug administration is discontinued.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lemberger, L -- Crabtree, R E -- New York, N.Y. -- Science. 1979 Sep 14;205(4411):1151-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/382359" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Clinical Trials as Topic ; Dose-Response Relationship, Drug ; Ergolines/*pharmacology/therapeutic use ; Humans ; Informed Consent ; Male ; Middle Aged ; Placebos ; Prolactin/blood ; Receptors, Dopamine/*drug effects ; Time Factors
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  • 31
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    Clomid administration to pregnant rats causes abnormalities of the reproductive tract in offspring and mothers (1979)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1979-05-11
    Description: In rats, a single injection of clomiphene citrate (Clomid) during pregnancy causes multiple abnormalities of the reproductive tract in the offspring and mothers. These abnormalities probably result from the ability of Clomid to cause long-term estrogenic stimulation.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉McCormack, S -- Clark, J H -- New York, N.Y. -- Science. 1979 May 11;204(4393):629-31.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/432668" target="_blank"〉PubMed〈/a〉
    Keywords: Abnormalities, Drug-Induced/*pathology ; Animals ; Clomiphene/*toxicity ; Fallopian Tubes/pathology ; Female ; Metaplasia ; Pregnancy ; Pregnancy, Animal/*drug effects ; Rats ; Uterine Diseases/chemically induced/pathology ; Vaginal Diseases/chemically induced
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  • 32
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    Octopamine receptors, adenosine 3',5'-monophosphate, and neural control of firefly flashing (1979)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1979-01-05
    Description: An adenylate cyclase activated as much as 25-fold by low concentrations of octopamine has been identified in the firefly lantern. The relative potency of octopamine and various other amines in stimulating this enzyme, and effects of antagonists in blocking octopamine activation, correlate well with the known effects of these agents in affecting light production. In addition to suggesting a role for adenosine 3',5'-monophosphate (or pyrophosphate) in the neural control of firefly flashing, identification of this potent enzyme should facilitate the characterization of phenylethylamine receptors in excitable tissue.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Nathanson, J A -- New York, N.Y. -- Science. 1979 Jan 5;203(4375):65-8.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/214856" target="_blank"〉PubMed〈/a〉
    Keywords: Adenylyl Cyclases/*metabolism ; Animals ; Beetles/*physiology ; Catecholamines/pharmacology ; Cyclic AMP/*biosynthesis ; Dose-Response Relationship, Drug ; Enzyme Activation/drug effects ; Kinetics ; Octopamine/*pharmacology ; Phentolamine/pharmacology ; Propranolol/pharmacology ; Receptors, Cell Surface/*drug effects ; Receptors, Neurotransmitter/*drug effects ; Structure-Activity Relationship
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    Insulin receptor binding in obesity: a reassessment (1979)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1979-09-07
    Description: A defect in the binding of insulin to circulating monocytes occurs when obese patients are hospitalized and fed a liberal carbohydrate diet. Under ordinary circumstances, most obese patients have normal insulin binding despite very high concentrations of serum insulin. These results show that insulin does not necessarily regulate its own receptor in vivo--as it does in vitro.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Misbin, R I -- O'Leary, J P -- Pulkkinen, A -- New York, N.Y. -- Science. 1979 Sep 7;205(4410):1003-4.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/472718" target="_blank"〉PubMed〈/a〉
    Keywords: Dietary Carbohydrates/metabolism ; Female ; Humans ; Insulin/blood ; Insulin Resistance ; Male ; Monocytes/metabolism ; Obesity/*metabolism ; Physical Exertion ; Receptor, Insulin/*metabolism
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  • 34
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    Nitrite promotes lymphoma incidence in rats (1979)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1979-06-08
    Description: Rats were exposed to sodium nitrite in food or water at concentrations of 0, 250, 1000, and 2000 parts per million. Lymphoma was increased in all groups fed nitrite; the overall combined incidence was 5.4 percent in 573 control rats and 10.2 percent in 1383 treated rats. The mechanism of cancer induction did not appear to be through the formation of nitrosamines but through a more direct effect of nitrite on the lymphocyte.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Newberne, P M -- New York, N.Y. -- Science. 1979 Jun 8;204(4397):1079-81.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/451551" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Dose-Response Relationship, Drug ; Lymphocytes/drug effects ; Lymphoma/*chemically induced ; Neoplasms, Experimental/chemically induced ; *Nitrites/pharmacology ; Rats
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  • 35
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    Drug discrimination training with progressively lowered doses (1979)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1979-08-17
    Description: Rats were trained to discriminate drug from no-drug conditions in a two-lever operant task. Moderately high dosages were used initially. Whenever the discrimination was learned, training was continued with progressively reduced dosages. Eventually the rats discriminated extremely low doses of phenobarbital, chlordiazepoxide, cyclazocine, and fentanyl.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Overton, D A -- New York, N.Y. -- Science. 1979 Aug 17;205(4407):720-1.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/462182" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Chlordiazepoxide/pharmacology ; Cyclazocine/pharmacology ; Discrimination Learning/*physiology ; Dose-Response Relationship, Drug ; Fentanyl/pharmacology ; *Pharmacology ; Phenobarbital/pharmacology ; Rats ; Scopolamine Hydrobromide/pharmacology
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  • 36
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    Dynamic changes in circulating 1,25-dihydroxyvitamin D during reproduction in rats (1979)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1979-06-29
    Description: The concentrations of 1,25-dihydroxyvitamin D [1,25-(OH)2D], calcium, and phosphorus were measured in the serum of rats during pregnancy and at various stages of lactation. The concentration of 1,25-(OH)2D hormone increased almost two-fold during pregnancy and the latter part of lactation, but decreased to control levels or very low values immediately after birth and weaning, respectively. Furthermore, the concentration of 1,25-(OH)2D was inversely correlated with the concentration of calcium, suggesting that circulating 1,25-(OH)2D fluctuates in concert with calcium demands during the reproductive cycle. Parathyroidectomy in lactating rats caused a 70 percent inhibition of the normally observed 1,25-(OH)2D increase, indicating that parathyroid hormone, in response to changes in serum calcium, is a primary modulator of 1,25-(OH)2D during lactation.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pike, J W -- Parker, J B -- Haussler, M R -- Boass, A -- Toverud, S V -- New York, N.Y. -- Science. 1979 Jun 29;204(4400):1427-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/451573" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Calcium/blood ; Dihydroxycholecalciferols/*blood ; Female ; Hydroxycholecalciferols/*blood ; *Lactation ; Parathyroid Glands/physiology ; Parathyroid Hormone/physiology ; Phosphorus/blood ; Pregnancy ; *Pregnancy, Animal ; Rats
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    Microwave radiation and chlordiazepoxide: synergistic effects on fixed-interval behavior (1979)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1979-03-30
    Description: In the presence of low-intensity pulsed microwave radiation, at an average power density of 1 milliwatt per square centimeter, the response-rate-increasing effects of chlordiazepoxide were potentiated in rats. The behavioral effects of a drug can be modified by brief exposure to a low-level microwave field even when the radiation level alone has no apparent effects on the behavior.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Thomas, J R -- Burch, L S -- Yeandle, S S -- New York, N.Y. -- Science. 1979 Mar 30;203(4387):1357-8.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/424759" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Behavior, Animal/drug effects/*radiation effects ; Chlordiazepoxide/*pharmacology ; Dose-Response Relationship, Drug ; Dose-Response Relationship, Radiation ; Male ; *Microwaves ; Rats
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    Nickel carbonyl: prenatal exposure (1979)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1979-03-23
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Warner, J S -- New York, N.Y. -- Science. 1979 Mar 23;203(4386):1194-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/424746" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Dose-Response Relationship, Drug ; Female ; Humans ; Ketones/*toxicity ; Nickel/*toxicity ; Occupational Medicine ; Pregnancy ; Rats ; *Teratogens
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    Starvation-induced decreased sensitivity of resting metabolic rate to triiodothyronine (1979)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1979-09-21
    Description: The decrease in resting oxygen consumption induced by starvation was found to occur not only in euthyroid rats but also in hypothyroid and even in hypothyroid animals treated with triiodothyronine. Furthermore, the effectiveness of triiodothyronine was decreased when given to hypothyroid animals.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wimpfheimer, C -- Saville, E -- Voirol, M J -- Danforth, E Jr -- Burger, A G -- New York, N.Y. -- Science. 1979 Sep 21;205(4412):1272-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/224460" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Dose-Response Relationship, Drug ; Energy Metabolism/drug effects ; Hypothyroidism/metabolism ; Male ; Oxygen Consumption/*drug effects ; Rats ; Receptors, Cell Surface/drug effects ; Starvation/*metabolism ; Triiodothyronine/*pharmacology
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  • 40
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    Elimination of metabolic cooperation in Chinese hamster cells by a tumor promoter (1979)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1979-11-30
    Description: Wild-type Chinese hamster V79 cells (6-thioguanine-sensitive) reduce the recovery of 6-thioguanine-resistant cells when they are cultured together at high densities, through a form of intercellular communication (metabolic cooperation). Cooperation is inhibited by 12-O-tetradecanoyl phorbol-13-acetate, rescuing the 6-thioguanine-resistant cells. These results may be useful in the study of an aspect of the mechanism of tumor promotion and in assaying for promoters.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Yotti, L P -- Chang, C C -- Trosko, J E -- New York, N.Y. -- Science. 1979 Nov 30;206(4422):1089-91.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/493994" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Communication/*drug effects ; Cell Membrane/drug effects ; Cricetinae ; Dose-Response Relationship, Drug ; Drug Resistance ; Phorbol Esters/*pharmacology ; Phorbols/*pharmacology ; Structure-Activity Relationship ; Tetradecanoylphorbol Acetate/pharmacology ; Thioguanine/pharmacology
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  • 41
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    Phase advance of the circadian sleep-wake cycle as an antidepressant (1979)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1979-11-09
    Description: Sleep in depressed patients resembles sleep in normal subjects whose circadian rhythms of temperature and rapid-eye-movement sleep are phase-advanced (shifted earlier) relative to their sleep schedules. If this analogy is relevant to the pathophysiology of depressive illness, advancing the time of sleep and awakening should temporarily compensate for the abnormal timing of depressed patients' circadian rhythms. Four of seven manic-depressive patients studied longitudinally spontaneously advanced their times of awakening (activity onset) as they emerged from the depressive phase of their illness. In a phase-shift experiment, a depressed manic-depressive woman was twice brought out of depression for 2 weeks by advancing her sleep period so that she went to sleep and arose 6 hours earlier than usual. The antidepressant effect of the procedure was temporary and similar in duration to circadian desynchronization induced by jet lag in healthy subjects. This result supports the hypothesis that abnormalities of sleep patterns in some types of depression are due to abnormal internal phase relationships of circadian rhythms.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wehr, T A -- Wirz-Justice, A -- Goodwin, F K -- Duncan, W -- Gillin, J C -- New York, N.Y. -- Science. 1979 Nov 9;206(4419):710-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/227056" target="_blank"〉PubMed〈/a〉
    Keywords: Bipolar Disorder/*physiopathology/therapy ; Body Temperature Regulation ; *Circadian Rhythm ; Female ; Humans ; Middle Aged ; Motor Activity/physiology ; Sleep, REM/*physiology
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    Hyperthermia and local anesthetics: potentiation of survival of tumor-bearing mice (1979)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1979-07-13
    Description: Lidocaine infusion of a CA755 mammary adenocarcinoma growing in the hind leg of BDF1 mice results in a significant increase in the animals' survival when combined with heating for 1 hour in a 43.5 degrees C water bath. This ability of local anesthetics to prolong survival following hyperthermia is consistent with the hypothesis that increases in membrane fluidity influence sensitivity to heat. In view of the extensive clinical experience with local anesthetics, the delay between clinical application and the observation that they potentiate the action of hyperthermia in animals may be reduced.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Yatvin, M B -- Clifton, K H -- Dennis, W H -- New York, N.Y. -- Science. 1979 Jul 13;205(4402):195-6.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/451588" target="_blank"〉PubMed〈/a〉
    Keywords: Adenocarcinoma/therapy ; Anesthetics, Local/*therapeutic use ; Animals ; Female ; *Hot Temperature ; Lidocaine/therapeutic use ; Mammary Neoplasms, Experimental/therapy ; Membrane Fluidity/drug effects ; Mice ; Neoplasms, Experimental/*therapy
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    Surgeon general seeks physicians' help in DES alert (1979)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1979-01-12
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉New York, N.Y. -- Science. 1979 Jan 12;203(4376):159.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/758685" target="_blank"〉PubMed〈/a〉
    Keywords: Diethylstilbestrol/*adverse effects ; Drug Information Services ; Female ; Government Agencies ; Humans ; Mesonephroma/*chemically induced ; United States ; Vaginal Neoplasms/*chemically induced
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    Chemical carcinogens (1979)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1979-02-16
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉New York, N.Y. -- Science. 1979 Feb 16;203(4381):602-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/760207" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Carcinogens/administration & dosage ; Dose-Response Relationship, Drug ; Mice ; Mutagens ; Neoplasms, Experimental/chemically induced ; Rats ; Vinyl Chloride/*toxicity ; Vinyl Compounds/*toxicity
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    Effects of anesthesia (1979)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1979-02-23
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉New York, N.Y. -- Science. 1979 Feb 23;203(4382):705.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/419403" target="_blank"〉PubMed〈/a〉
    Keywords: *Abnormalities, Drug-Induced ; Abortion, Spontaneous/*chemically induced ; Anesthetics/*adverse effects ; Female ; Humans ; Male ; Pregnancy
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  • 46
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    Delayed neurotoxicity of phenylphosphonothioate esters (1979)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1979-08-17
    Description: Administration of a single oral dose of five phenylphosphonothioate esters produced delayed neurotoxicity in hens; their potency was, in descending order, cyanofenphos, EPN, desbromoleptophos, leptophos, and EPBP (Seven). Histological examination showed that in some hens there was marked axonal and myelin degeneration in the spinal cord and peripheral nerves. The results suggest that delayed neurotoxicity may be a general feature of phenylphosphonothioate insecticides.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Abou-Donia, M B -- New York, N.Y. -- Science. 1979 Aug 17;205(4407):713-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/462181" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Ataxia/chemically induced ; Chickens ; Demyelinating Diseases/chemically induced ; Dose-Response Relationship, Drug ; Female ; Insecticides/*toxicity ; Nerve Degeneration ; *Neurotoxins ; *Organothiophosphorus Compounds ; Time Factors
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    Yearly report on carcinogens could be a potent weapon in the war on cancer (1979)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1979-02-09
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Carter, L J -- New York, N.Y. -- Science. 1979 Feb 9;203(4380):525-8.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/760203" target="_blank"〉PubMed〈/a〉
    Keywords: *Carcinogens ; Dose-Response Relationship, Drug ; Government Agencies ; Humans ; Legislation, Drug ; Neoplasms/*prevention & control ; United States
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    Chloroxymorphamine, and opioid receptor site-directed alkylating agent having narcotic agonist activity (1979)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1979-04-20
    Description: Chloroxymorphamine, the 6beta-N,N-bis(2-chloroethyl) derivative of oxymorphone, is a potent nonequilibrium narcotic agonist in the longitudinal muscle preparation of guinea pig ileum. The corresponding naltrexone analog,chlornaltrexamine, is a potent nonequilibrium antagonist of morphine. These receptor sitedirected alkylating agents possess considerable potenial as pharmacologic and biochemical probes of apoid receptors.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Caruso, T P -- Takemori, A E -- Larson, D L -- Portoghese, P S -- New York, N.Y. -- Science. 1979 Apr 20;204(4390):316-8.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/86208" target="_blank"〉PubMed〈/a〉
    Keywords: *Alkylating Agents ; Animals ; Chlorambucil/pharmacology ; Dose-Response Relationship, Drug ; Drug Synergism ; Guinea Pigs ; Hydromorphone/*analogs & derivatives ; In Vitro Techniques ; Morphine/pharmacology ; Naloxone/pharmacology ; Naltrexone/analogs & derivatives/pharmacology ; Nitrogen Mustard Compounds/*pharmacology ; Norepinephrine/pharmacology ; Oxymorphone/*analogs & derivatives/pharmacology ; Phenoxybenzamine/pharmacology ; Receptors, Opioid/*drug effects
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  • 49
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    Menopausal flushes: a neuroendocrine link with pulsatile luteninizing hormone secreation (1979)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1979-08-24
    Description: Menopausal flush episodes were found to be invariably associated with the initiation of pulsatile pituitary release of luteinizing hormone. This was not accompanied by a significant change in circulating catecholamine or prolactin concentrations. Since pulsatile luteinizing hormone release results from episodic secretion of luteinizing hormone releasing factor by the hypothalamus, these findings suggest a link between the neuroendocrine mechanisms that initiate such episodic secretion and those responsible for the onset of flush episodes.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Casper, R F -- Yen, S S -- Wilkes, M M -- New York, N.Y. -- Science. 1979 Aug 24;205(4408):823-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/462193" target="_blank"〉PubMed〈/a〉
    Keywords: *Climacteric ; Dopamine/blood ; Epinephrine/blood ; Female ; Follicle Stimulating Hormone/blood ; Humans ; Luteinizing Hormone/blood/*secretion ; Middle Aged ; Norepinephrine/blood ; Prolactin/blood
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    Prolonged inhibition of neurons by neuroendocrine cells in Aplysia (1979)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1979-04-27
    Description: In the abdominal ganglion of Aplysia, a burst of action potentials in peptide-secreting neuroendocrine cells, the bag cells, produces slow inhibition of two identified bursting pacemaker neurons. The inhibition is due to slow hyperpolarizing potential that reduces bursting pacemaker activity for 3 hours or more. The slow inhibitory potential results from a large and prolonged increase in membrane conductance to potassium ions as well as a slower ionic process that is relatively independent of membrane conductance.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Brownell, P -- Mayeri, E -- New York, N.Y. -- Science. 1979 Apr 27;204(4391):417-20.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/35827" target="_blank"〉PubMed〈/a〉
    Keywords: Action Potentials ; Animals ; Aplysia/*physiology ; Electric Conductivity ; Electric Stimulation ; Female ; Ganglia/physiology ; *Neural Inhibition ; Neurosecretory Systems/*physiology ; Neurotransmitter Agents/physiology ; Oviposition ; Peptides/physiology
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    2-Deoxy-D-glucose maps movement-specific nervous activity in the second visual ganglion of Drosophila (1979)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1979-08-17
    Description: Adult Drosophila were fed with tritium labeled deoxyglucose prior to a 5-hour period of visual stimulation. A flickering disk of light and a moving grating were presented to the left and right eyes, respectively. Autoradiography revealed enhanced labeling solely in that part of the second optic ganglion (medulla) whose visual field was stimulated by movement.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Buchner, E -- Buchner, S -- Hengstenberg, R -- New York, N.Y. -- Science. 1979 Aug 17;205(4407):687-8.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/111349" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Deoxy Sugars/*metabolism ; Deoxyglucose/*metabolism ; Drosophila melanogaster/anatomy & histology/*physiology ; Female ; Ganglia/metabolism ; Motion Perception/*physiology ; Neurons/*metabolism ; Visual Pathways/metabolism ; Visual Perception/physiology
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    Chlorpromazine and its metabolites alter polymerization and gelation of actin (1979)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1979-12-21
    Description: Hepatic hydroxylated metabolites of chlorpromazine (10(-5)M to 10(-4)M), a frequently used phenothiazine tranquilizer, produce solid gel formation with filamentous actin, but the less toxic chlorpromazine sulfoxide metabolite does not. At higher concentrations (5 x 10(-4)M) chlorpromazine inhibits actin polymerization. These dose-response relationships parallel the drug's hepatic toxicity in vivo and suggest that interactions between chloropromazine or chlorpromazine metabolites and actin could be an underlying mechanism of cell injury.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Elias, E -- Boyer, J L -- New York, N.Y. -- Science. 1979 Dec 21;206(4425):1404-6.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/574316" target="_blank"〉PubMed〈/a〉
    Keywords: Actins/*metabolism ; Animals ; Chlorpromazine/*analogs & derivatives/*pharmacology ; Cytoskeleton/drug effects ; Dose-Response Relationship, Drug ; Gels ; Protein Binding/drug effects ; Rabbits ; Viscosity
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    Evidence for extra-renal 1 alpha-hydroxylation of 25-hydroxyvitamin D3 in pregnancy (1979)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1979-06-22
    Description: The kidneys are thought to be the only organs capable of 1 alpha-hydroxylation of vitamin D and its metabolites. We have examined the in vivo conversion of 3H-(25,26)-25-hydroxyvitamin D3(25OHD3) to 3H-(25,26)-1 alpha,25-dihydroxyvitamin D3 [1 alpha,25(OH)2D3] in vitamin D-deficient, pregnant and nonpregnant rats. As expected, nephrectomy of nonpregnant, vitamin D-deficient rats prevented the conversion of 25OHD3 to 1 alpha,25(OH)2D3. In contrast, nephrectomy of pregnant, vitamin D-deficient rats reduced but did not abolish the formation of 1 alpha,25(OH)2D3 from its precursor. The identity of the radioactive metabolite formed from 3H-25OHD3 which circulated in nephrectomized, pregnant rats was established as 1 alpha,25(OH)2D3 by comigration with synthetic 1 alpha,25(OH)2D3 on high-pressure liquid chromatography. The simultaneous absence of 1 alpha,25(OH)2D3 in the fetal kidneys indicated that the site of 1 alpha-hydroxylation after nephrectomy of the pregnant rat was probably extra-renal in origin. Two sites of 1 alpha-hydroxylation of 25OHD3, one renal and the other extra-renal, either fetoplacental or maternal, may exist in the pregnant, vitamin D-deficient rat.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Gray, T K -- Lester, G E -- Lorenc, R S -- New York, N.Y. -- Science. 1979 Jun 22;204(4399):1311-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/451538" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Dihydroxycholecalciferols/biosynthesis ; Female ; Fetal Blood/metabolism ; Hydroxycholecalciferols/*metabolism ; Hydroxylation ; Kidney/embryology/metabolism ; *Nephrectomy ; Placenta/metabolism ; Pregnancy ; *Pregnancy, Animal
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    Toxaphene, a complex mixture of polychloroterpenes and a major insecticide, is mutagenic (1979)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1979-08-10
    Description: Toxaphene, the most widely used chlorinated insecticide, is mutagenic in the Salmonella test without requiring liver homogenate for activity. This insecticide is a complex mixture (more than 177 polychloroterpenes) with carcinogenic activity in rodents. Some but not all of the mutagenic components are easily separated from the insecticidal ingredients.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hooper, N K -- Ames, B N -- Saleh, M A -- Casida, J E -- New York, N.Y. -- Science. 1979 Aug 10;205(4406):591-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/377495" target="_blank"〉PubMed〈/a〉
    Keywords: Dose-Response Relationship, Drug ; Insecticides/*pharmacology ; *Mutagens ; Mutation ; Salmonella typhimurium/drug effects ; Toxaphene/*pharmacology
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    [Interpreting "imitative" responses in early infancy] (1979)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1979-07-13
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Jacobson, S W -- Kagan, J -- New York, N.Y. -- Science. 1979 Jul 13;205(4402):215-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/451595" target="_blank"〉PubMed〈/a〉
    Keywords: Behavior/*physiology ; Female ; Humans ; *Infant ; *Infant, Newborn ; Male ; Movement ; Tongue/physiology
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    Calcitonin: inhibitory effect on eating in rats (1979)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1979-11-16
    Description: Subcutaneous and intracerebral injections of calcitonin inhibited feeding in rats. The anorectic activity of calcitonin was destroyed by exposing the hormone to heat, trypsin, or hydrogen peroxide. Calcitonin did not produce a conditioned taste aversion to saccharin, and maximum inhibition of feeding occurred 4.5 to 8.3 hours after subcutaneous administration. It is concluded that calcitonin inhibits feeding by acting directly on the central nervous system.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Freed, W J -- Perlow, M J -- Wyatt, R J -- New York, N.Y. -- Science. 1979 Nov 16;206(4420):850-2.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/493987" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Brain/drug effects ; Calcitonin/administration & dosage/*pharmacology ; Depression, Chemical ; Diuresis/drug effects ; Dose-Response Relationship, Drug ; Feeding Behavior/*drug effects ; Injections, Intraventricular ; Rats
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    Pseudohermaphroditism in Ilyanassa obsoleta (Mollusca: Neogastropoda) (1979)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1979-09-28
    Description: Field studies, a rearing and maintenance program, and a transfer experiment have shown that anomalous male traits found in some female Ilyanassa obsoleta are an expression of environmentally controlled psuedohermaphroditism. The particular pattern of pseudohermaphroditism discovered in this species has not been reported previously from any other group, but may be characteristic of the Neogastropoda.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Jenner, M G -- New York, N.Y. -- Science. 1979 Sep 28;205(4413):1407-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/472758" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Disorders of Sex Development/pathology/*physiopathology ; Female ; Male ; Sex Differentiation ; Snails/growth & development/*physiology
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    Genetic resistance to aflatoxin in Japanese quail (1979)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1979-12-14
    Description: Progress was rapid in attempts to develop lines of quail resistant to acute aflatoxicosis induced by oral dosing with aflatoxin. After five generations of selection, 8- and 11-fold differences were present in mortality between two selected lines and their respective control lines. These quail lines should be of value in investigating the physiological basis of resistance to aflatoxin.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Marks, H L -- Wyatt, R D -- New York, N.Y. -- Science. 1979 Dec 14;206(4424):1329-30.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/515737" target="_blank"〉PubMed〈/a〉
    Keywords: Aflatoxins/*pharmacology ; Animals ; Coturnix/*genetics ; *Drug Resistance ; Female ; Genes ; Male ; Quail/*genetics ; Selection, Genetic
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    Dysmenorrhea: basic research leads to a rational therapy (1979)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1979-07-13
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Marx, J L -- New York, N.Y. -- Science. 1979 Jul 13;205(4402):175-6.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/109921" target="_blank"〉PubMed〈/a〉
    Keywords: Cyclooxygenase Inhibitors ; Dysmenorrhea/drug therapy/*physiopathology ; Female ; Humans ; Progesterone/physiology ; Prostaglandins/*physiology ; Uterine Contraction
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    Albumin-deficient rat mutant (1979)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1979-08-10
    Description: An analbuminemic colony was established from Sprague-Dawley rats. Analbuminemia was inherited as an autosomal recessive trait. The rates of growth and reproduction of the mutant rats were no different from those of normal rats. Biochemically, the mutant was characterized by an extraordinarily low serum albumin content and a hyperlipidemia. Total serum protein in the mutant rat was similar to that of control Sprague-Dawley rats, with increased globulin. Serum cholesterol was inversely correlated with a decrease in albumin; the correlation coefficient for ablumin was --.92. These mutant rats may serve as a model of human familial analbuminemia and may also be useful in elucidating the functional roles of albumin.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Nagase, S -- Shimamune, K -- Shumiya, S -- New York, N.Y. -- Science. 1979 Aug 10;205(4406):590-1.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/451621" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Chromosome Aberrations/*blood ; Chromosome Disorders ; Crosses, Genetic ; Female ; Immunoelectrophoresis ; Male ; Mutation ; Rats/*genetics ; Serum Albumin/*deficiency ; Serum Globulins/analysis
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    Calmodulin activation of adenylate cyclase in pancreatic islets (1979)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1979-10-12
    Description: Pancreatic islets contain calmodulin. The protein binds to a particulate fraction derived from the islets and stimulates adenylate cyclase activity in this subcellular fraction, both phenomena being activated by ionized calcium. A calcium-dependent stimulation of adenylate cyclase by endogenous calmodulin may contribute to the accumulation of adenosine 3',5'-monophosphate evoked by insulin releasing agents in the islet cells.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Valverde, I -- Vandermeers, A -- Anjaneyulu, R -- Malaisse, W J -- New York, N.Y. -- Science. 1979 Oct 12;206(4415):225-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/225798" target="_blank"〉PubMed〈/a〉
    Keywords: Adenylyl Cyclases/*metabolism ; Animals ; Calcium/*physiology ; Calcium-Binding Proteins/*metabolism ; Calmodulin/*metabolism ; Cell Membrane/metabolism ; Cyclic AMP/metabolism ; Egtazic Acid/metabolism ; Enzyme Activation ; Female ; Glucose/pharmacology ; Insulin/*secretion ; Islets of Langerhans/*enzymology ; Kinetics ; Rats
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    Semliki forest virus: cause of a fatal case of human encephalitis (1979)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1979-03-16
    Description: A fatal case of human encephalitis has been observed for which our results indicate that Semliki Forest virus (SFV) was the etiologic agent. This is surprising in view of the fact that this virus, which has been widely studied, was believed to be one of the arboviruses nonpathogenic for man. Described are the clinical course, the virological examinations performed, and the histopathological findings in the central nervous system.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Willems, W R -- Kaluza, G -- Boschek, C B -- Bauer, H -- Hager, H -- Schutz, H J -- Feistner, H -- New York, N.Y. -- Science. 1979 Mar 16;203(4385):1127-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/424742" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Antigens, Viral/analysis ; Arbovirus Infections/*etiology ; Encephalitis/*etiology/microbiology/pathology ; Female ; Humans ; Laboratory Infection/*etiology/microbiology ; *Semliki forest virus/immunology
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    The hyperactive child syndrome (1979)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1979-09-28
    Description: The behavioral characteristics of the hyperactive child are described at different stages of development. Recent and sometimes controversial research findings are discussed with respect to prevalence, etiology, treatment, and outcome. It is concluded that this syndrome can best be understood in terms of interactions between social, psychological, and biological variables.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Weiss, G -- Hechtman, L -- New York, N.Y. -- Science. 1979 Sep 28;205(4413):1348-54.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/472752" target="_blank"〉PubMed〈/a〉
    Keywords: Age Factors ; Attention Deficit Disorder with Hyperactivity/etiology ; Child ; Child Behavior Disorders/diagnosis/*etiology/therapy ; Child, Preschool ; Environment ; Female ; Humans ; Infant ; Male ; Methylphenidate/therapeutic use ; Sex Ratio ; Syndrome ; Terminology as Topic
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    Intestinal absorption of immune complexes by neonatal rats: a route of antigen transfer from mother to young (1979)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1979-11-02
    Description: Horseradish peroxidase (HRP) in the presence of specific immunoglobulin G antibody to HRP is selectively absorbed from the gut lumen and transferred by intestinal epithelial cells to the lamina propria in newborn rats. The HRP is not transferred in detectable amounts in the absence of the antibody. Transport of maternally derived antigen via antigen-antibody complexes may have important influences on the developing immune system in young mammals.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Abrahamson, D R -- Powers, A -- Rodewald, R -- New York, N.Y. -- Science. 1979 Nov 2;206(4418):567-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/493961" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Animals, Newborn/*immunology ; *Antigen-Antibody Complex ; *Antigens ; Biological Transport, Active ; Female ; Horseradish Peroxidase/immunology ; Immunoglobulin Fab Fragments ; Immunoglobulin Fc Fragments ; *Intestinal Absorption ; Jejunum/*immunology/metabolism ; Male ; Rats
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    Physostigmine and recent memory: effects in young and aged nonhuman primates (1979)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1979-11-30
    Description: The effect of physostigmine on recent memory was evaluated in young and aged rhesus monkeys. All aged monkeys had previously shown impaired memory. The performance of the young monkeys treated with physostigmine was similar to that recently reported for young humans--no effects at low doses, some improvement at a restricted range of doses, and deficits at the highest dose. Although the aged subjects also improved at the same general doses, their overall response as a group was much more variable than that of the younger subjects. The performance of some aged monkeys was impaired by low doses that did not affect young monkeys. Continued improvement was observed in some aged monkeys at the highest dose, which typically impaired young monkeys. These variable effects across aged subjects suggest that physostigmine cannot easily or reliably be used as an agent for treating geriatric cognition. Nevertheless, the differential age-related effects suggest that appropriate manipulation of the cholinergic system may eventually be developed to alleviate some of the cognitive impairments suffered by aged subjects.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bartus, R T -- New York, N.Y. -- Science. 1979 Nov 30;206(4422):1087-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/227061" target="_blank"〉PubMed〈/a〉
    Keywords: Acetylcholine/physiology ; Aging ; Animals ; Cognition/physiology ; Female ; Haplorhini ; Humans ; Male ; Memory/*drug effects ; Memory Disorders/drug therapy ; Memory, Short-Term/drug effects ; Physostigmine/*pharmacology/therapeutic use ; Synaptic Transmission
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    "Sontaneous" neoplastic transformation in vitro: a form of foreign body (smooth surface) tumorigenesis (1979)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1979-04-13
    Description: Explants of subcutaneous connective tissue from adult BALB/c mice into plastic petri dishes were serially subcultured and tested for tumorigenicity in two ways: by the subcutaneous implantation of cells attached to plastic plates (1 by 5 by 10 millimeters), and by the subcutaneous injection of cells suspended in saline. Cells grown in vitro for 18 or more days before being implanted attached to a plastic plate (2.4 x 10(4) to 3.4 x 10(5) cells per plate) formed tumors after 24 to 79 weeks. The latent period before tumor appearance correlated inversely with the time spent by the cells in tissue culture. Cells inoculated in saline suspension (10 to 100 times the above number per plate) did not form tumors until after 84 days in vitro; plates alone did not induce tumor formation within more than 1 1/2 years of implantation. The tumors arising from the plate-attached cells were transplantable without plates and histologically appeared to be undifferentiated sarcomas. It is well established that smooth-surfaced foreign bodies, regardless of their chemical composition, will produce sarcomas when transplanted subcutaneously in rodents. We interpret our data, particularly the decrease in tumor latent period with time spent in tissue culture, as indicating that a smooth surface was acting as a carcinogen first in vitro (the surface of the tissue culture dish) and then in vivo (the surface of the plastic plate).〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Boone, C W -- Takeichi, N -- Eaton, S D -- Paranjpe, M -- New York, N.Y. -- Science. 1979 Apr 13;204(4389):177-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/373119" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Cell Transformation, Neoplastic/pathology ; Cells, Cultured ; Connective Tissue/pathology ; Female ; Foreign-Body Reaction/*complications ; Mice ; Neoplasms, Experimental/*etiology ; *Plastics ; Sarcoma, Experimental/etiology ; Time Factors
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    Fetal research ethics (1979)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1979-10-26
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Brackbill, Y -- New York, N.Y. -- Science. 1979 Oct 26;206(4417):404-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/504983" target="_blank"〉PubMed〈/a〉
    Keywords: Abortion, Induced ; Disclosure ; *Ethics, Medical ; Female ; Fetus/*physiology ; Humans ; Informed Consent ; Pregnancy ; *Risk Assessment
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    High anxiety over flights through ozone (1979)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1979-08-24
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Broad, W J -- New York, N.Y. -- Science. 1979 Aug 24;205(4408):767, 769.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/462189" target="_blank"〉PubMed〈/a〉
    Keywords: *Aerospace Medicine ; Female ; Humans ; Male ; Occupational Diseases/*chemically induced ; Ozone/*poisoning
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    Ethanol embryotoxicity: direct effects on mammalian embryos in vitro (1979)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1979-11-02
    Description: Exposure to ethanol retards growth and differentiation in cultured rat embryos during organogenesis. The development of untreated embryos is indistinguishable from growth in utero. These data suggest that the hypoplastic features of children born to chronically alcoholic mothers are due, at least in part, to a direct action of ethanol, which causes reduced embryonic cellular proliferation early in gestation.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Brown, N A -- Goulding, E H -- Fabro, S -- New York, N.Y. -- Science. 1979 Nov 2;206(4418):573-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/573922" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Dose-Response Relationship, Drug ; Ectogenesis/*drug effects ; Embryo, Mammalian/*drug effects ; Ethanol/*toxicity ; Female ; Fetal Growth Retardation/chemically induced ; Pregnancy ; Rats ; *Teratogens
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    Temperature-dependent sex determination in turtles (1979)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1979-12-07
    Description: The sex of hatchling map turtles is determined by incubation temperature of eggs in the laboratory as well as in nature. Temperature controls sex differentiation rather than causing a differential mortality of sexes. Temperature has no effect on sex determination in a soft-shelled turtle.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bull, J J -- Vogt, R C -- New York, N.Y. -- Science. 1979 Dec 7;206(4423):1186-8.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/505003" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Female ; Genotype ; Male ; *Sex Determination Analysis ; Species Specificity ; Temperature ; Turtles/*physiology
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    Release of luteinizing hormone in male mice during exposure to females: habituation of the response (1979)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1979-11-30
    Description: Male mice release luteinizing hormone when exposed for a short time to a female. In this experiment, multiple blood samples were withdrawn by atrial cannulas from tethered males during either continuous or intermittent exposure to nonreceptive females. After an immediate, transient release of luteinizing hormone, continuous exposure to the same female was accompanied by only random, spontaneous elevations in plasma levels of this hormone. Successive presentations of the same female at 2-hour intervals elicited gradually diminishing luteinizing hormone responses. Exposing such unresponsive males to novel, diestrous females, however, dramatically stimulated their release of the hormone. These results demonstrate habituation of a socially induced, neuroendocrine response involving reproductive hormones.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Coquelin, A -- Bronson, F H -- New York, N.Y. -- Science. 1979 Nov 30;206(4422):1099-101.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/573924" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Arousal/physiology ; Diestrus ; Female ; Habituation, Psychophysiologic/*physiology ; Luteinizing Hormone/*metabolism ; Male ; Mice ; Pregnancy ; Sexual Behavior, Animal/physiology
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    5-Bromodeoxyuridine inhibits sequence changes within inverted repeat DNA during embryogenesis (1979)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1979-08-24
    Description: Previous studies on the genome of Strongylocentrotus purpuratus sea urchin have shown that changes in the nucleotide sequence of inverted repeat sequences occur during embryogenesis. The present study indicates that these sequence changes fail to occur when the embryos are raised in the presence of 5-bromodeoxyuridine. This drug is an analog of thymidine, is incorporated into the DNA during embryogenesis, and inhibits cell differentiation in these embryos.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Dickinson, D G -- Baker, R F -- New York, N.Y. -- Science. 1979 Aug 24;205(4408):816-8.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/572583" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Base Sequence/*drug effects ; Bromodeoxyuridine/*pharmacology ; DNA Replication/*drug effects ; Female ; Ovum/*metabolism ; Sea Urchins
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    Human chorionic gonadotropin: induction of ovulation in the squirrel monkey (1979)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1979-10-12
    Description: The minimum dose of human chorionic gonadotropin that would cause ovulation in the squirrel monkey (Saimiri sciureus) was found to be between 100 and 250 international units.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Dukelow, W R -- New York, N.Y. -- Science. 1979 Oct 12;206(4415):234-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/113874" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Chorionic Gonadotropin/administration & dosage/*pharmacology ; Dose-Response Relationship, Drug ; Female ; Follicle Stimulating Hormone/pharmacology ; Haplorhini/*physiology ; Ovulation/*drug effects ; Saimiri/*physiology
    Print ISSN: 0036-8075
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 74
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    To know with the nose: keys to odor identification (1979)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1979-02-02
    Description: Successful odor identification depends on (i) commonly encountered substances, (ii) a long-standing connection between an odor and its name, and (iii) aid in recalling the name. The absence of any one ingredient impairs performance dramatically, but the presence of all three permits ready identification of scores of substances, with performance seemingly limited only by the inherent confusability of the stimuli.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cain, W S -- New York, N.Y. -- Science. 1979 Feb 2;203(4379):467-70.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/760202" target="_blank"〉PubMed〈/a〉
    Keywords: Feedback ; Female ; Humans ; Memory/physiology ; Odors ; Smell/*physiology
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  • 75
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    Cyclic AMP receptor triggers nuclear protein phosphorylation in a hormone-dependent mammary tumor cell-free system (1979)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1979-09-28
    Description: Adenosine 3',5'-monophosphate (cyclic AMP) receptor protein of 56,000 daltons increases markedly in mammary tumors induced by 7,12-dimethylbenz[a]anthracene (DMBA) after incubation of tumor slices with cyclic AMP, benzamide, and arginine. Incubation of cytosol from these tumor slices with nuclei from unincubated tumors results in nuclear uptake of the 56,000-dalton cyclic AMP receptor and in phosphorylation of the 76,000-dalton nuclear protein. Binding of the 56,000-dalton receptor and phosphorylation of the 76,000-dalton protein also occur in DMBA tumor nuclei when protein kinase type II of bovine heart is used. The results suggest that cyclic AMP receptor is involved in the nuclear events of a hormone-dependent mammary tumor.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cho-Chung, Y S -- Archibald, D -- Clair, T -- New York, N.Y. -- Science. 1979 Sep 28;205(4413):1390-2.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/224463" target="_blank"〉PubMed〈/a〉
    Keywords: 9,10-Dimethyl-1,2-benzanthracene ; Animals ; Cell Nucleus/metabolism ; Cell-Free System ; Chromosomal Proteins, Non-Histone/*metabolism ; Cyclic AMP/*metabolism ; Female ; Mammary Neoplasms, Experimental/*metabolism ; Neoplasm Proteins/metabolism ; Phosphorylation ; Protein Kinases/*metabolism ; Rats ; Receptors, Cyclic AMP/*metabolism
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  • 76
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    Induction of luteolysis in the human with a long-acting analog of luteinizing hormone-releasing factor (1979)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1979-07-27
    Description: Subcutaneous injection of 50 micrograms of a long-acting analog of luteinizing hormone-releasing factor on each of two successive days during mid-luteal phase in normally cycling women induced a short luteal phase and premature menstruation. These events were associated with luteolysis, as evidenced by the consistent and parallel premature decline of progesterone and estradiol levels compared with those in control cycles. This finding may prove to be useful in the prevention or interception of implantation.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Casper, R F -- Yen, S S -- New York, N.Y. -- Science. 1979 Jul 27;205(4404):408-10.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/377491" target="_blank"〉PubMed〈/a〉
    Keywords: Corpus Luteum/drug effects/*physiology ; Estradiol/blood ; Female ; Follicle Stimulating Hormone/blood ; Gonadotropin-Releasing Hormone/*analogs & derivatives ; Humans ; Luteal Phase/*drug effects ; Luteinizing Hormone/blood ; Menstruation/*drug effects ; Progesterone/blood
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  • 77
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    Selective phospholipid adsorption and atherosclerosis (1979)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1979-05-04
    Description: Disaturated (fully saturated) lecithins adsorb onto solid surfaces more readily than lecithins in which one or both fatty acids are unsaturated. If saturated lecithins adsorb to arterial walls as they do to glass and polystyrene surfaces, there may be increased probability of atherosclerosis when the disaturated lecithin content of plasma is elevated. Analyses of lecithins in plasma samples from patients with myocardial infarction, and from patients with premature atherosclerosis but with low concentrations of plasma cholesterol and triglycerides, are consistent with the hypothesis that a high concentration of disaturated lecithin in plasma may be a significant risk factor for atherosclerosis, independent of triglyceride and cholesterol concentrations.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Gershfeld, N L -- New York, N.Y. -- Science. 1979 May 4;204(4392):506-8.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/581915" target="_blank"〉PubMed〈/a〉
    Keywords: Adsorption ; Adult ; Aged ; Arteriosclerosis/blood/*etiology ; Coronary Disease/*blood ; Fatty Acids, Unsaturated ; Female ; Humans ; Male ; Middle Aged ; Myocardial Infarction/blood ; *Phosphatidylcholines/blood ; Pulmonary Surfactants/blood ; Structure-Activity Relationship ; Temperature
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  • 78
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    Prenatal stress reduces fertility and fecundity in female offspring (1979)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1979-11-30
    Description: Female rats subjected to prenatal stress later experienced fewer conceptions, more spontaneous abortions and vaginal hemorrhaging, longer pregnancies, and fewer viable young than nonstressed rats. The offspring of the prenatally stressed rats were lighter in weight and less likely to survive the neonatal period. Prenatal stress may influence the balance of adrenal and gonadal hormones during a critical stage of fetal hypothalamic differentiation, thereby producing a variety of reproductive dysfunctions in adulthood.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Herrenkohl, L R -- New York, N.Y. -- Science. 1979 Nov 30;206(4422):1097-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/573923" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Disorders of Sex Development/etiology ; Female ; Gestational Age ; Humans ; Infertility, Female/*etiology ; Lighting ; Litter Size ; Maternal Behavior ; Pregnancy ; Rats ; Reproduction ; Stress, Psychological/*complications
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  • 79
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    beta-Adrenergic regulation of adenosine 3',5'-monophosphate concentration in brain microvessels (1979)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1979-04-20
    Description: Norepinephrine increases the concentration of adenosine 3',5'-monophosphate (cyclic AMP) in an incubated suspension of brain microvessels. This response can be matched by other drugs that stimulate the beta receptors, but the alpha-adrenergic agonist phenylephrine is without effect; beta-adrenergic blockade abolishes the response while alpha-adrenergic blockade produces no change. The data support the contention that cerebral capillary function is subject to adrenergic neural control.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Herbst, T J -- Raichle, M E -- Ferrendelli, J A -- New York, N.Y. -- Science. 1979 Apr 20;204(4390):330-2.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/34879" target="_blank"〉PubMed〈/a〉
    Keywords: Adrenergic beta-Agonists/*pharmacology ; Animals ; Capillaries/innervation/*metabolism ; *Cerebrovascular Circulation ; Cyclic AMP/*metabolism ; Dose-Response Relationship, Drug ; Male ; Norepinephrine/pharmacology ; Rats ; Sympatholytics/pharmacology
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  • 80
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    Low urinary estrogen glucuronides in women at risk for familial breast cancer (1979)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1979-06-08
    Description: Daily (12-hour) urine collections taken throughout the menstrual cycle were obtained from 30 young women who by genetic analysis were at risk for familial breast cancer, and from 30 control women carefully matched for age, height, and reproductive history. Steroids in the urine were extracted by glucuronidase hydrolysis, and the primary glucocorticoid, androgen, and estrogen hormones and their metabolites were measured by radioimmunoassay. Highly significant differences were observed only in the case of estrone and estradiol, with the high-risk subjects exhibiting lower values that the controls. This endocrine abnormality in young women at risk for breast cancer may be a potential discriminant for identifying women at risk for the disease in the population at large.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Fishman, J -- Fukushima, D K -- O'Connor, J -- Lynch, H T -- New York, N.Y. -- Science. 1979 Jun 8;204(4397):1089-91.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/451553" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Age Factors ; Breast Neoplasms/genetics/*urine ; Estradiol/urine ; Estriol/urine ; Estrogens/*urine ; Estrone/urine ; Female ; Humans ; Menopause ; Menstruation ; Parity ; Puberty ; Risk ; Seasons
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  • 81
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    C26 sterol in a human urine (1979)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1979-06-15
    Description: A new C26 sterol, 22-trans-27-norcholesta-5,22-dien-3 beta-ol, was found in the urine of a 6-year-old girl, with a clinical diagnosis of congenital adrenal hyperplasia of the salt losing type, accompanied by symptoms of mixed sex anatomy and skin pigmentation. The structure of the sterol was determined by comparison with the synthetic compound. The sterol was also detected in ther serum. This appears to be the first case in which a C26 sterol has occurred in mammalia.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ikekawa, N -- Fujimoto, Y -- Isiguro, M -- Suwa, S -- Hirayama, Y -- Mizunuma, H -- New York, N.Y. -- Science. 1979 Jun 15;204(4398):1223-4.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/451568" target="_blank"〉PubMed〈/a〉
    Keywords: Adrenocortical Hyperfunction/*urine ; Child ; Cholestadienols/blood/*urine ; Female ; Humans ; Norsteroids/blood/urine
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  • 82
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    Fetal mortality and sex ratio (1979)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1979-12-21
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lowry, J T -- New York, N.Y. -- Science. 1979 Dec 21;206(4425):1428.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/505019" target="_blank"〉PubMed〈/a〉
    Keywords: Female ; Fetal Death/*epidemiology ; Humans ; Male ; Pregnancy ; *Sex Ratio
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  • 83
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    Genetic effects of impure and pure saccharin in yeast (1979)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1979-09-07
    Description: Yeast cells were grown in media containing impure or purified saccharin preparations. Dose-dependent increases in frequencies of cells possessing aberrant cell morphologies were revealed by light microscopy. At each test dose, cells grown in impure saccharin exhibited up to sevenfold higher frequencies of mitotic crossing-over or gene conversion in three of four assays for genetic recombination than cells grown in purified saccharin from the same lot. With one exception, the sweetener produced by the Maumee process caused larger increases in recombination and gene reversion than the sweetener produced by the Remsen-Fahlberg process. The several test markers did not respond equally to any test saccharin. Cells grown in liquid media containing no saccharin or two of three test concentrations of saccharin produced cell titers that were approximately equivalent.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Moore, C W -- Schmick, A -- New York, N.Y. -- Science. 1979 Sep 7;205(4410):1007-10.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/382356" target="_blank"〉PubMed〈/a〉
    Keywords: Cell Division/drug effects ; Crossing Over, Genetic/drug effects ; Dose-Response Relationship, Drug ; Mitosis/drug effects ; *Mutagens ; Recombination, Genetic/drug effects ; Saccharin/chemical synthesis/*pharmacology ; Saccharomyces cerevisiae/*drug effects ; Structure-Activity Relationship
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  • 84
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    Hormones and their effects in the aging body (1979)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1979-11-16
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Marx, J L -- New York, N.Y. -- Science. 1979 Nov 16;206(4420):805-6.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/227057" target="_blank"〉PubMed〈/a〉
    Keywords: *Aging ; Breast Neoplasms/etiology ; Estrogens/physiology ; Female ; Hormones/*physiology ; Humans ; Male ; Menopause ; Osteoporosis/etiology ; Progesterone/physiology ; Receptors, Cell Surface/physiology ; Testosterone/physiology ; Uterine Neoplasms/etiology
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  • 85
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    A regulatory locus for mouse beta-glucuronidase induction, Gur, controls messenger RNA activity (1979)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1979-02-09
    Description: A regulatory locus in a higher organism has been shown to control a specific messenger RNA activity. The Gur locus in mice regulates the production of kidney beta-glucuronidase messenger RNA activity after induction of the beta-glucuronidase structural gene, Gus, by testosterone. beta-Glucuronidase messenger RNA was assayed by its ability to direct the synthesis of catalytically active murine beta-glucuronidase in Xenopus oocytes.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Paigen, K -- Labarca, C -- Watson, G -- New York, N.Y. -- Science. 1979 Feb 9;203(4380):554-6.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/760204" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Enzyme Induction/drug effects ; Female ; Genes ; *Genes, Regulator ; Genetic Linkage ; Glucuronidase/*genetics ; Hot Temperature ; Kidney/*enzymology ; Mice ; Oocytes/metabolism ; RNA, Messenger/*genetics ; Testosterone/pharmacology ; Xenopus
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  • 86
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    Inhibition of gonadotropin by delta9-tetrahydrocannabinol:mediation by steroid receptors? (1979)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1979-04-20
    Description: Competition assays for estradiol receptors in cytosol preparations of uteri from rhesus monkeys and humans showed that delta9-tetrahydrocannabinol (THC) does not compete with estradiol for intracellular estrogen recptors. Although isotopically labeled THC bound to macromolecules in uterine cytosol from the rhesus monkey, the binding was not displaced by unlabeled THC, diethylstilbestrol, estradiol, progesterone, cortisol, or 5 alpha-dihydrostestosterone. Scatchard analyses indicated that high-affinity saturable binding of THC to cytosol did not occur. Thus the inhibitory effect of THC on gonadotropin and steroid secretion in primates is not mediated by the interaction of THC with intracellular steroid hormone receptors.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Smith, R G -- Besch, N F -- Besch, P K -- Smith, C G -- New York, N.Y. -- Science. 1979 Apr 20;204(4390):325-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/107589" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Binding, Competitive ; Cytosol/metabolism ; Diethylstilbestrol/metabolism ; Dronabinol/*pharmacology ; Estradiol/metabolism ; Female ; Haplorhini ; Humans ; Receptors, Estrogen/*drug effects/metabolism ; Steroids/metabolism ; Uterus/*metabolism
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  • 87
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    Mediatory role of calcium and guanosine 3', 5'-monophosphate in adrenocorticotropin-induced steroidogenesis by adrenal cells (1979)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1979-03-23
    Description: When incubated in a calcium-free medium, isolated rat fasciculata cells showed neither an increase in the concentration of guanocine 3',5'-monophosphate (cyclic GMP) nor an increase in corticosterone production in response to adrenocorticotropic hormone (ACTH). In response to submaximum and maximum steroidogenic concentrations of ACTH, corticosterone formation was directly proportional to increases in calcium concentration ranging from 0 to 2.5 mM. Higher concentration of calcium, however, inhibited maximal ACTH-induced steroidogenesis. In the absence of ACTH, calcium did not stimulate cyclic GMP accumulation and corticosterone formation. ACTH-induced corticosterone synthesis, preceded by an increase in cyclic GMP, was restored when ACTH and calcium were both present in the medium. Cyclic GMP or dibutryl cyclic GMP-induced steroidogenesis was substantially reduced in the absence of calcium, but in contrast to the ACTH effect a significant amount of corticosterone formation occurred without calcium. It is proposed that at the physiological concentrations of the hormone, calcium regulates the transduction of information between hormone receptors and guanylate cyclase.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Perchellet, J P -- Sharma, R K -- New York, N.Y. -- Science. 1979 Mar 23;203(4386):1259-61.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/34216" target="_blank"〉PubMed〈/a〉
    Keywords: Adrenal Cortex/*drug effects/metabolism ; Adrenal Cortex Hormones/*biosynthesis ; Adrenocorticotropic Hormone/*pharmacology ; Animals ; Calcium/*pharmacology ; Cyclic GMP/*pharmacology ; Dibutyryl Cyclic GMP/pharmacology ; Dose-Response Relationship, Drug ; Drug Interactions ; Guanylate Cyclase/metabolism ; In Vitro Techniques ; Models, Biological ; Rats
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  • 88
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    Retinoblastoma with 13q- chromosomal deletion associated with maternal paracentric inversion of 13q (1979)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1979-03-09
    Description: A girl with sporadic unilateral retinoblastoma and mental retardation has an interstitial deletion in the long arm of chromosome 13. Her mother has a paracentric inversion of one chromosome 13; the deleted chromosome 13 in the daughter is derived from the mother's normal chromosome 13.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sparkes, R S -- Muller, H -- Klisak, I -- New York, N.Y. -- Science. 1979 Mar 9;203(4384):1027-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/424728" target="_blank"〉PubMed〈/a〉
    Keywords: Child ; Chromosome Aberrations/*genetics ; *Chromosome Deletion ; Chromosome Disorders ; *Chromosome Inversion ; *Chromosomes, Human, 13-15 ; Eye Neoplasms/*genetics ; Female ; Humans ; Models, Biological ; Retinoblastoma/*genetics
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  • 89
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    Localization of the neurally mediated arrhythmogenic properties of digitalis (1979)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1979-04-20
    Description: Available evidence suggests that the propensity of digitalis glycosides to produce cardiac arrhythmias is due in part to their neuroexictatory effects. We have performed experiments in cats which support the existence of a neurogenic component in the etiology of digitalis-induced ventricular arrhythmias. Our data further indicate that the locus of this neural effect lies within an area of the medulla 2 millimeters above to 2 millimeters below the obex. These findings, when considered with the effects of polar cardiac glycosides that do not cross the blood-brain barrier, suggest that the area postrema may be the site of neural activation.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Somberg, J C -- Smith, T W -- New York, N.Y. -- Science. 1979 Apr 20;204(4390):321-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/219481" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Arrhythmias, Cardiac/*chemically induced ; Brain Stem/*physiology ; Cats ; Digitalis Glycosides/*pharmacology/toxicity ; Dose-Response Relationship, Drug ; Heart/*drug effects/innervation ; Myocardium/*metabolism ; Sodium-Potassium-Exchanging ATPase/metabolism ; Spinal Cord/physiology ; Vagus Nerve/physiology
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  • 90
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    Morphine-naloxone interactions: a role for nonspecific morphine excitatory effects in withdrawal (1979)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1979-09-28
    Description: The opiate antagonist naloxone precipitates withdrawal when given either 15 minutes after or 1 minute before a single injection of morphine in drug-naive mice. We propose that withdrawal signs arise from a synergistic mixture of excitatory influences that are direct (agonistic action on nonspecific opiate receptors) and indirect (sensory and affective disorders, stress, hormonal and neurotransmitter dysfunction, and so forth). The predominant effects during precipitated withdrawal are assumed to be direct, whereas during abstinence in tolerant animals they are indirect.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Stevens, D R -- Klemm, W R -- New York, N.Y. -- Science. 1979 Sep 28;205(4413):1379-8.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/224462" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Behavior, Animal/physiology ; Dose-Response Relationship, Drug ; Drug Interactions ; Drug Tolerance ; Female ; Humans ; Mice ; Morphine/*pharmacology ; Naloxone/*pharmacology ; Receptors, Opioid/*drug effects ; Stereotyped Behavior/physiology ; Substance Withdrawal Syndrome/*physiopathology
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  • 91
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    Rank order of sarcoma susceptibility among mouse strains reverses with low concentrations of carcinogen (1979)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1979-04-20
    Description: Ten mouse strains in which aryl hydrocarbon hydroxylase can be induced, or F1 hybrids of these strains, were ranked according to their sarcoma susceptibility when exposed to a high concentration (5 percent) of the chemical carcinogen 3-methylcholanthrene. This rank order was reversed when the concentration of 3-methylcholanthrene was reduced to 0.05 percent.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Prehn, L M -- Lawler, E M -- New York, N.Y. -- Science. 1979 Apr 20;204(4390):309-10.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/432644" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Aryl Hydrocarbon Hydroxylases/genetics/metabolism ; Dose-Response Relationship, Drug ; Dose-Response Relationship, Immunologic ; Female ; Genes ; Male ; *Methylcholanthrene ; Mice ; Mice, Inbred Strains/*physiology ; Sarcoma, Experimental/*chemically induced/immunology
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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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    Exercise during development induces an increase in Purkinje cell dendritic tree size (1979)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1979-10-12
    Description: Mice allowed to exercise during the late postnatal period had Purkinje cells with larger dendritic trees and greater numbers of spines than littermates whose physical activity was severly restricted. These changes in Purkinje cells were accompanied by a selective reduction in the thickness of the cerebellar molecular layer. The data provide evidence for cerebellar plasticity during late development and demonstrate that physical activity can modify the development of Purkinje cell dendrites.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pysh, J J -- Weiss, G M -- New York, N.Y. -- Science. 1979 Oct 12;206(4415):230-2.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/482938" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Behavior, Animal/physiology ; Cell Differentiation ; Cerebellar Cortex/growth & development ; Cerebellum/*growth & development ; Dendrites/ultrastructure ; Female ; Male ; Mice ; Motor Activity/physiology ; Physical Exertion ; Purkinje Cells/*cytology
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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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    6-Hydroxydopamine potentiates acute herpes simplex virus infection of the superior cervical ganglion in mice (1979)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1979-08-03
    Description: Treatment of mice with 6-hydroxydopamine increased herpes simplex virus replication in the superior cervical ganglion while it decreased the subsequent prevalence of latent infection. Preganglionic neurectomy failed to block this effect. These observations suggest that intrinsic neural events modify the outcome of viral infections of the nervous system.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Price, R W -- New York, N.Y. -- Science. 1979 Aug 3;205(4405):518-20.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/221984" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Ascorbic Acid/pharmacology ; Eye Diseases/immunology ; Female ; Ganglia, Autonomic/drug effects/*microbiology ; Herpes Simplex/immunology ; Hydroxydopamines/*pharmacology ; Immunity ; Mice ; Mice, Inbred BALB C ; Simplexvirus/drug effects/immunology/*pathogenicity
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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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    Estimating fatness (1979)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1979-05-25
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Reeves, J -- New York, N.Y. -- Science. 1979 May 25;204(4395):881.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/441744" target="_blank"〉PubMed〈/a〉
    Keywords: *Adipose Tissue ; Adolescent ; Anthropometry/*methods ; Body Height ; Body Water/analysis ; *Body Weight ; Female ; Humans ; Menarche
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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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    Erythrocytes: a new cell type for the evaluation of insulin receptor defects in diabetic humans (1979)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1979-07-13
    Description: Human erythrocytes have specific insulin receptors. When studied in an insulin radioreceptor assay, erythrocytes from adult-onset, nonobese diabetic subjects bound at least 42 percent less insulin than the normal subjects at insulin concentrations from 0.1 to 100 nanograms per milliliter. The diabetic subjects had 190 insulin receptor sites per cell as compared with the 380 insulin receptor sites per cell for the normal subjects. The deficit of insulin binding in the diabetic subject was thus associated with a fewer number of insulin binding sites per cell with little or no change in affinity. The erythrocyte is a readily available cell for the evaluation of cellular insulin receptor activity.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Robinson, T J -- Archer, J A -- Gambhir, K K -- Hollis, V W Jr -- Carter, L -- Bradley, C -- New York, N.Y. -- Science. 1979 Jul 13;205(4402):200-2.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/451590" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Aged ; Diabetes Mellitus/*blood/metabolism ; Erythrocyte Membrane/*metabolism ; Erythrocytes/*metabolism ; Female ; Humans ; Insulin/metabolism ; Male ; Middle Aged ; Receptor, Insulin/*metabolism
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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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    Acetaminophen: potentially toxic metabolite formed by human fetal and adult liver microsomes and isolated fetal liver cells (1979)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1979-09-28
    Description: A reactive metabolite of acetaminophen is hepatotoxic in humans when the drug is ingested in large overdoses. The ability of the human fetal and adult liver to oxidize acetaminophen by trapping the potentially toxic metabolite as a glutathione conjugate has been measured. Oxidation by fetal liver was approximately ten times slower than by adult liver. However, there was a definite increase in acetaminophen oxidation with fetal age. Isolated human fetal liver cells conjugated acetaminophen with sulfate but not with glucuronic acid. The results indicate that the human fetal liver is able to detoxify acetaminophen by conjugation. However, it also catalyzes the formation of an active metabolite of acetaminophen through oxidation. Hence the fetus remains at risk should a large dose of the drug cross into the fetal circulation.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Rollins, D E -- von Bahr, C -- Glaumann, H -- Moldeus, P -- Rane, A -- New York, N.Y. -- Science. 1979 Sep 28;205(4413):1414-6.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/38505" target="_blank"〉PubMed〈/a〉
    Keywords: Acetaminophen/*metabolism/toxicity ; Biotransformation ; Cytochrome P-450 Enzyme System/metabolism ; Female ; Glutathione/metabolism ; Humans ; Liver/embryology ; Maternal-Fetal Exchange ; Microsomes, Liver/*metabolism ; NADP/metabolism ; Pregnancy
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  • 97
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    Genetic variance in nonverbal intelligence: data from the kinships of identical twins (1979)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1979-09-14
    Description: The multiple relationships within kinships of adult monozygotic twins permit incisive analyses to be made of genetic and environmental effects on behavioral traits. Data from families of 65 monozygotic twin pairs yield evidence of genetic variance on the Block Design Test, a nonverbal measure of general intelligence.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Rose, R J -- Harris, E L -- Christian, J C -- Nance, W E -- New York, N.Y. -- Science. 1979 Sep 14;205(4411):1153-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/572991" target="_blank"〉PubMed〈/a〉
    Keywords: Female ; Humans ; *Intelligence ; Pedigree ; Pregnancy ; *Twins ; *Twins, Monozygotic ; Wechsler Scales
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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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    Enduring changes in dopamine receptor cells of pups from drug administration to pregnant and nursing rats (1979)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1979-03-16
    Description: A decrease in specific [3H]spiroperidol binding to rat caudate tissue and a parallel decrease in sensitivity to apomorphine in eliciting stereotyped behavior was observed in the offspring of rat mothers treated with either haloperidol or alpha-methyl-p-tyrosine-methyl ester during pregnancy. In contrast, evidence of increased dopamine-receptor sensitivity was observed in the pups if haloperidol was administered to their mothers postpartum during nursing rather than during pregnancy.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Rosengarten, H -- Friedhoff, A J -- New York, N.Y. -- Science. 1979 Mar 16;203(4385):1133-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/570724" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Behavior, Animal/drug effects ; Corpus Striatum/*drug effects/embryology/growth & development ; Female ; Fetus/*drug effects ; Haloperidol/*pharmacology ; Humans ; *Lactation ; Maternal-Fetal Exchange ; Methyltyrosines/*pharmacology ; Pregnancy ; Rats ; Receptors, Dopamine/*drug effects ; Stereotyped Behavior/drug effects
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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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    Plasma beta-endorphin immunoreactivity in schizophrenia (1979)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1979-09-14
    Description: Plasma beta-endorphin-like immunoreactivity was measured by a method that was equally sensitive to beta-endorphin and [Leu5]-beta-endorphin. Immunoreactivity in 98 schizophrenic patients did not differ greatly from that in 42 normal subjects. No immunoreactivity was detectable in dialyzates from first-time hemodialysis of eight nonpsychotic renal patients and nine schizophrenic patients. These results are not compatible with recent reports of extremely high concentrations of [Leu5]-beta-endorphin in hemodialyzates from schizophrenic patients.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ross, M -- Berger, P A -- Goldstein, A -- New York, N.Y. -- Science. 1979 Sep 14;205(4411):1163-4.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/472735" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Aged ; Endorphins/*blood/immunology ; Female ; Humans ; Male ; Middle Aged ; Radioimmunoassay ; Schizophrenia/*blood ; Stress, Physiological/blood
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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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    Derived X chromosome in the turtle genus Staurotypus (1979)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1979-12-21
    Description: C-banding, G-banding, and silver (Ag-AS) staining techniques reveal a distinctive sex chromosome system in the turtle Staurotypus salvinii. Unlike previously described systems in most other vertebrate groups in which the Y or W is derived and the homogametic sex represents the primitive condition, the reverse is true for S. salvinii. The X chromosome is derived; thus the homogametic sex (female) is more derived than the heterogametic sex. The male is intermediate between the female and the ancestral condition observed in other turtle species. Staurotypus does not confirm to the general model of sex chromosome evolution for diploid dioecious organisms.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sites, J W Jr -- Bickham, J W -- Haiduk, M W -- New York, N.Y. -- Science. 1979 Dec 21;206(4425):1410-2.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/92052" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Biological Evolution ; Female ; Sex Chromosomes/*ultrastructure ; Silver ; Species Specificity ; Staining and Labeling ; Turtles/*anatomy & histology ; X Chromosome/*ultrastructure
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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