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  • 1
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    Comparison of the nucleic acid sequence of anglerfish and mammalian insulin mRNA's from cloned cDNA's (1980)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1980-12-19
    Description: Anglerfish (Lophius americanus) insulin complementary DNA was cloned in bacterial plasmids, and its sequence was determined. Fish insulin messenger RNA is larger (1.5 times) than the messenger RNA encoding mammalian (rat and human) insulin, in part because of a larger C peptide (an additional six amino acids or 18 nucleotides in length) but mainly because of increases in the 5' and 3' untranslated regions. Comparison of the fish, rat, and human insulin messenger RNA (from the complementary DNA) reveals that, in addition to the regions coding for the A and B peptides, sequence conservation is limited to a segment within the 5' untranslated region which may be involved in ribosomal binding, two small segments of the signal peptide, and two stretches of sequence in the 3' untranslated region.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hobart, P M -- Shen, L P -- Crawford, R -- Pictet, R L -- Rutter, W J -- AM 21344/AM/NIADDK NIH HHS/ -- New York, N.Y. -- Science. 1980 Dec 19;210(4476):1360-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7001633" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; *Biological Evolution ; Cloning, Molecular ; Codon ; Fishes/*genetics ; Insulin/*genetics ; Nucleic Acid Conformation ; Proinsulin/genetics ; Protein Biosynthesis ; Protein Precursors/genetics ; RNA, Messenger/*genetics
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 2
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    Pineal melatonin rhythm: reduction in aging Syrian hamsters (1980)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1980-12-19
    Description: The melatonin content measured by radioimmunoassay of the pineal gland over a 24-hour period (a light:dark cycle of 14 hours of light and 10 of darkness) was compared in young and old female and male Syrian hamsters. The young animals of both sexes exhibited roughly an eightfold rise in pineal melatonin during the dark phase of the cycle, whereas in the old hamsters the nocturnal rise in melatonin was almost completely absent. The results indicate a marked drop in pineal biosynthetic activity in the aging hamster.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Reiter, R J -- Richardson, B A -- Johnson, L Y -- Ferguson, B N -- Dinh, D T -- New York, N.Y. -- Science. 1980 Dec 19;210(4476):1372-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7434032" target="_blank"〉PubMed〈/a〉
    Keywords: *Aging ; Animals ; Circadian Rhythm ; Cricetinae ; Melatonin/*metabolism ; Mesocricetus ; Pineal Gland/*physiology ; Sex 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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  • 3
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    Membrane depolarization accumulates during acquisition of an associative behavioral change (1980)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1980-12-19
    Description: Long-lasting electrical changes of identified Hermissenda neurons, the type B photoreceptors, can account for concomitant associative behavioral changes. Depolarization of the type B cells after paired light and rotation accumulates (as monitored with intracellular electrodes) with reptition. This accumulation was specific to stimulus pairing (versus light alone or explicitly unpaired stimuli) and to the orientation of the nervous system with respect to the center of rotation; it provides a neural step in the acquisition of associative behavioral changes for gastropod mollusks and possibly other species.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Alkon, D L -- New York, N.Y. -- Science. 1980 Dec 19;210(4476):1375-6.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7434034" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Association ; Behavior, Animal/*physiology ; In Vitro Techniques ; Light ; Membrane Potentials ; Mollusca/*physiology ; Neurons/physiology ; Orientation ; Photoreceptor Cells/physiology
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 4
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    Neural organization predicts stimulus specificity for a retained associative behavioral change (1980)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1980-12-19
    Description: Paired, but not random, presentations of light and rotation produced long-term changes in Hermissenda's response to light. The nature of this change depended on the orientation of the animals with respect to the center of rotation and was predicted by known organizational features of Hermissenda's nervous system. When rotation that excited caudal hair cells was paired with light, a significant increase in response latency to test lights resulted. Rotation exciting cephalic hair cells when paired with light decreased the response latencies compared with latencies produced by random presentation of light and rotation.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Farley, J -- Alkon, D L -- New York, N.Y. -- Science. 1980 Dec 19;210(4476):1373-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7434033" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Association ; Behavior, Animal/*physiology ; Membrane Potentials ; Mollusca/anatomy & histology/*physiology ; Orientation ; Photoreceptor Cells/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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  • 5
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    Arginine vasopressin in extracts of bovine pituitary (1980)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1980-12-19
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cort, J H -- New York, N.Y. -- Science. 1980 Dec 19;210(4476):1377.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7434035" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Arginine Vasopressin/*metabolism ; Cattle ; Pituitary Gland, Posterior/*metabolism ; Protein Precursors/metabolism
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 6
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    Modulation of epidermal growth factor receptors on 3T3 cells by platelet-derived growth factor (1980)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1980-12-19
    Description: Platelet-derived growth factor does not compete with epidermal growth factor (EGF) for binding to EGF receptors on the murine 3T3 cell surface, but it modulates EGF receptors in two ways: (i) it induces a transient down regulation of EGF receptors and (ii) it inhibits EGF-induced down regulation of EGF receptors. These data suggest a common cellular internalization mechanism for the receptors for both hormones.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wrann, M -- Fox, C F -- Ross, R -- AM-25826/AM/NIADDK NIH HHS/ -- New York, N.Y. -- Science. 1980 Dec 19;210(4476):1363-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6254158" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Binding, Competitive ; Blood Platelets/*physiology ; Cell Line ; Endocytosis ; Epidermal Growth Factor/*metabolism ; Growth Substances/*pharmacology ; Mice ; Peptides/*metabolism/*pharmacology ; Platelet-Derived Growth Factor ; Receptor, Epidermal Growth Factor ; Receptors, Cell Surface/*drug effects/metabolism
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 7
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    Functional development of grafted vasopressin neurons (1980)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1980-12-19
    Description: Vasopressin neurons, transplanted from normal rat fetuses into the third ventricle of adult Brattleboro rats, alleviate the polydipsia and polyuria of the hosts. Determination of the antidiuretic activity of grafted neurons in hosts with congenital diabetes insipidus provides a convenient model for analyzing the development, plasticity, and function of transplanted central nervous system neurons in mammals.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Gash, D -- Sladek, J R Jr -- Sladek, C D -- AM 16166/AM/NIADDK NIH HHS/ -- NS 15109/NS/NINDS NIH HHS/ -- New York, N.Y. -- Science. 1980 Dec 19;210(4476):1367-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7434031" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Diabetes Insipidus/physiopathology/*therapy ; Disease Models, Animal ; Drinking Behavior/physiology ; Hypothalamus/cytology/embryology/*transplantation ; Kidney Concentrating Ability ; Rats ; Transplantation, Homologous ; Vasopressins/*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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  • 8
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    Gene transfer moves ahead (1980)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1980-12-19
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Marx, J L -- New York, N.Y. -- Science. 1980 Dec 19;210(4476):1334-6.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6254157" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; DNA, Recombinant ; Gene Expression Regulation ; Genetic Engineering/*methods ; Genetic Vectors ; Hypoxanthine Phosphoribosyltransferase/genetics ; Selection, Genetic ; Thymidine Kinase/genetics ; Transformation, Genetic
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 9
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    Fasting associated with decrease in hypothalamic beta-endorphin (1980)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1980-12-12
    Description: In rats that were fasted for 2 to 3 days there was a decline in hypothalamic, but not pituitary, beta-endorphin. There was no change in pituitary or hypothalamic adrenocorticotropin content as a result of fasting. Endogenous opiates may be involved in physiological adaptation to fasting.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Gambert, S R -- Garthwaite, T L -- Pontzer, C H -- Hagen, T C -- New York, N.Y. -- Science. 1980 Dec 12;210(4475):1271-2.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6254156" target="_blank"〉PubMed〈/a〉
    Keywords: Adrenocorticotropic Hormone/metabolism ; Animals ; Endorphins/*metabolism ; *Fasting ; Hypothalamus/*metabolism ; Male ; Pituitary Gland/metabolism ; Rats ; 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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    Vasoactive intestinal peptide: a possible transmitter of nonadrenergic relaxation of guinea pig airways (1980)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1980-12-12
    Description: Vasoactive intestinal peptide, a smooth-muscle relaxant neuropeptide with neurotransmitter properties, was relaxed during electrical field stimulation of guinea pig trachea. The amount released correlated with the degree of relaxation, and the release was blocked by tetrodotoxin. Prior incubation of the trachea with antiserum to vasoactive intestinal peptide reduced the relaxation. Thus vasoactive intestinal peptide may mediate the nonadrenergic relaxation of tracheal smooth muscle.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Matsuzaki, Y -- Hamasaki, Y -- Said, S I -- HL-14187/HL/NHLBI NIH HHS/ -- New York, N.Y. -- Science. 1980 Dec 12;210(4475):1252-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6254154" target="_blank"〉PubMed〈/a〉
    Keywords: Adrenergic Fibers/*physiology ; Animals ; Antigen-Antibody Reactions ; Electric Stimulation ; Female ; Gastrointestinal Hormones/*physiology ; Humans ; Mice ; *Muscle Contraction ; *Muscle Relaxation ; Muscle, Smooth/drug effects ; Neural Inhibition ; Synaptic Transmission ; Tetrodotoxin/pharmacology ; Trachea/*innervation ; Vasoactive Intestinal Peptide/immunology/*physiology
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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