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  • Rats  (33)
  • American Association for the Advancement of Science (AAAS)  (33)
  • PANGAEA
  • Springer
  • 1980-1984  (33)
  • 1983  (33)
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Schlagwörter
Verlag/Herausgeber
  • American Association for the Advancement of Science (AAAS)  (33)
  • PANGAEA
  • Springer
Erscheinungszeitraum
  • 1980-1984  (33)
Jahr
  • 1
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    Midbrain microinfusions of prolactin increase the estrogen-dependent behavior, lordosis (1983)
    American Association for the Advancement of Science (AAAS)
    Details
    Publikationsdatum: 1983-03-25
    Beschreibung: Microinfusions of rat prolactin into the dorsal midbrain of estrogen-treated, ovariectomized rats increased lordosis behavior. Midbrain microinfusions of antiserum to prolactin into rats displaying maximum lordosis had the opposite effect. The distribution of a prolactin-like substance in the brain was studied immunocytochemically. The results suggest that a hypothalamic neuronal system projecting to the midbrain contains a prolactin-like substance that plays a role in facilitating this behavior and therefore may mediate some of the effects of estrogen on the brain. These data, together with others from studies of the prolactin gene and its regulation, indicate that it may be possible to analyze a sequence of molecular events in the brain that facilitate a behavioral response.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Harlan, R E -- Shivers, B D -- Pfaff, D W -- HD-05585/HD/NICHD NIH HHS/ -- HD-05737/HD/NICHD NIH HHS/ -- New York, N.Y. -- Science. 1983 Mar 25;219(4591):1451-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6828874" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Adrenalectomy ; Animals ; Castration ; Cerebral Cortex/drug effects/*physiology ; Cosyntropin/pharmacology ; Estradiol/pharmacology ; Female ; Growth Hormone/pharmacology ; Immune Sera ; Kinetics ; Mesencephalon/*physiology ; Oxytocin/pharmacology ; Posture ; Prolactin/administration & dosage/*pharmacology ; Rats ; Sexual Behavior, Animal/*drug effects ; Vasopressins/pharmacology
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Publiziert von American Association for the Advancement of Science (AAAS)
    Standort Signatur Erwartet Verfügbarkeit
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  • 2
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    Depletion of intracellular polyamines may alter DNA conformation in 9L rat brain tumor cells (1983)
    American Association for the Advancement of Science (AAAS)
    Details
    Publikationsdatum: 1983-07-22
    Beschreibung: Depletion of polyamines in 9L rat brain tumor cells by treatment with alpha-difluoromethylornithine dramatically altered DNA conformation as measured by viscoelastometry. The reduction of intracellular putrescine and spermidine concentrations to less than 5 percent of their concentrations in control cells decreased the sensitivity of 9L cell DNA to x-irradiation and increased the maximum viscoelastic retardation time of the DNA. Both of these phenomena were reversed by addition of exogenous putrescine.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hung, D T -- Marton, L J -- Deen, D F -- Shafer, R H -- CA-13525/CA/NCI NIH HHS/ -- CA-19658/CA/NCI NIH HHS/ -- CA-27343/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1983 Jul 22;221(4608):368-70.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6408733" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; Brain Neoplasms/*metabolism ; DNA, Neoplasm/*metabolism ; Eflornithine ; Molecular Conformation ; Ornithine/analogs & derivatives/pharmacology ; Polyamines/*metabolism ; Putrescine/metabolism ; Rats ; Spermidine/metabolism ; Viscosity
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Publiziert von American Association for the Advancement of Science (AAAS)
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  • 3
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    Some neurons of the rat central nervous system contain aromatic-L-amino-acid decarboxylase but not monoamines (1983)
    American Association for the Advancement of Science (AAAS)
    Details
    Publikationsdatum: 1983-03-11
    Beschreibung: Neurons containing the enzyme aromatic-L-amino-acid decarboxylase (AADC) but lacking either tyrosine hydroxylase or serotonin were found in the spinal cord of neonatal and adult rats by light and electron microscopic immunocytochemistry. The majority of these neurons localized to area X of Rexed contact ependyma. Thus, spinal AADC neurons have the enzymatic capacity to catalyze directly the conversion of the amino acids tyrosine, tryptophan, or phenylalanine to their respective amines tyramine, tryptamine, or phenylethylamine. These amines normally present in the central nervous system may be of potential clinical significance as endogenous psychotomimetics.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Jaeger, C B -- Teitelman, G -- Joh, T H -- Albert, V R -- Park, D H -- Reis, D J -- HL-07379-04/HL/NHLBI NIH HHS/ -- HL-18974/HL/NHLBI NIH HHS/ -- New York, N.Y. -- Science. 1983 Mar 11;219(4589):1233-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6131537" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; Aromatic-L-Amino-Acid Decarboxylases/*metabolism ; Biogenic Amines/*metabolism ; Brain/*metabolism ; Neurons/enzymology ; Neurotransmitter Agents/biosynthesis ; Rats ; Spinal Cord/*metabolism
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Publiziert von American Association for the Advancement of Science (AAAS)
    Standort Signatur Erwartet Verfügbarkeit
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  • 4
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    Dopamine-beta-hydroxylase activity and homovanillic acid in spinal fluid of schizophrenics with brain atrophy (1983)
    American Association for the Advancement of Science (AAAS)
    Details
    Publikationsdatum: 1983-05-27
    Beschreibung: Schizophrenic patients with high ventricle brain ratios and cortical brain atrophy, as shown by computerized tomography, had decreased spinal fluid concentrations of homovanillic acid and dopamine-beta-hydroxylase activity. These decreased cerebral spinal fluid concentrations in patients with brain atrophy support the proposal of disturbed noradrenaline and dopamine neurotransmission in a subgroup of schizophrenic patients.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉van Kammen, D P -- Mann, L S -- Sternberg, D E -- Scheinin, M -- Ninan, P T -- Marder, S R -- van Kammen, W B -- Rieder, R O -- Linnoila, M -- New York, N.Y. -- Science. 1983 May 27;220(4600):974-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6133351" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Adolescent ; Adult ; Aged ; Animals ; Antipsychotic Agents/adverse effects ; Atrophy ; Brain/metabolism/*pathology ; Dopamine/metabolism ; Dopamine beta-Hydroxylase/*cerebrospinal fluid ; Homovanillic Acid/*cerebrospinal fluid ; Humans ; Middle Aged ; Phenylacetates/*cerebrospinal fluid ; Rats ; Schizophrenia/*cerebrospinal fluid ; Tomography, X-Ray Computed
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Publiziert von American Association for the Advancement of Science (AAAS)
    Standort Signatur Erwartet Verfügbarkeit
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  • 5
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    Immunoreactive dynorphin-(1-8) and corticotropin- releasing factor in subpopulation of hypothalamic neurons (1983)
    American Association for the Advancement of Science (AAAS)
    Details
    Publikationsdatum: 1983-01-14
    Beschreibung: Immunoreactive corticotropin-releasing factor (CRF) and dynorphin-(I-8) were visualized in rat hypothalamus by immunohistofluorescence with specific antibodies. In brains from colchicine-treated, adrenalectomized rats, neuronal perikarya with immunoreactive CRF were observed in the paraventricular nucleus of the hypothalamus. The CRF occurred together with the dynorphin-(1-8). However, the CRF immunoreactivity occurred only in a subpopulation of the dynorphin-(1-8) immunoreactive cells. These findings suggest that there may be a functional interrelationship of CRF with dynorphin-related opioid peptides and provide further evidence that neurons may contain more than one bioactive substance.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Roth, K A -- Weber, E -- Barchas, J D -- Chang, D -- Chang, J K -- New York, N.Y. -- Science. 1983 Jan 14;219(4581):189-91.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6129700" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; Corticotropin-Releasing Hormone/immunology/*metabolism ; Dynorphins ; Endorphins/immunology/*metabolism ; Fluorescent Antibody Technique ; Hypothalamus/cytology/*metabolism ; Neurons/metabolism ; Paraventricular Hypothalamic Nucleus/metabolism ; Peptide Fragments/metabolism ; Rats
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Publiziert von American Association for the Advancement of Science (AAAS)
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  • 6
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    5-hydroxytryptophan elevates serum melatonin (1983)
    American Association for the Advancement of Science (AAAS)
    Details
    Publikationsdatum: 1983-08-12
    Beschreibung: Daytime administration of 5-hydroxytryptophan to sheep elevated serum melatonin more than sevenfold within 2 hours. This suggests that administration of 5-hydroxytryptophan could be used as the basis of a clinical test of pineal function and that melatonin might mediate some clinical effects of 5-hydroxytryptophan.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Namboodiri, M A -- Sugden, D -- Klein, D C -- Mefford, I N -- New York, N.Y. -- Science. 1983 Aug 12;221(4611):659-61.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6867734" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; Dose-Response Relationship, Drug ; Humans ; Male ; Melatonin/*blood ; Pineal Gland/physiology ; Rats ; Serotonin/*pharmacology ; Sheep ; Tryptophan/pharmacology
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Publiziert von American Association for the Advancement of Science (AAAS)
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  • 7
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    Strain differences in rat brain epinephrine synthesis: regulation of alpha-adrenergic receptor number by epinephrine (1983)
    American Association for the Advancement of Science (AAAS)
    Details
    Publikationsdatum: 1983-09-23
    Beschreibung: Inbred tht strains Fischer 344 (F344) and Buffalo (BUF) differ in serveral physiological and behavioral measures. It was found that the activity of adrenomedullary and regional brain phenylethanolamine N-methyltransferase is at least four times higher in F344 rats than in BUF rats; these strain-dependent differences corresponded directly with the epinephrine content of the medulla-pons and hypothalamus. Conversely, alpha-adrenergic receptor density in brain regions containing phenylethanolamine N-methyltransferase is two to three times lower in F344 rats than in BUF rats; alpha-receptors in frontal cortex (a brain region lacking phenylethanolamine N-methyltransferase activity and epinephrine) are similar in both strains. These findings suggest that strain-dependent differences in alpha-receptors are regulated by inherited differences in presynaptic adrenergic neuronal function in different brain regions.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Perry, B D -- Stolk, J M -- Vantini, G -- Guchhait, R B -- U'Prichard, D C -- DA 02763/DA/NIDA NIH HHS/ -- MH 32842/MH/NIMH NIH HHS/ -- NS 15595/NS/NINDS NIH HHS/ -- etc. -- New York, N.Y. -- Science. 1983 Sep 23;221(4617):1297-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6310752" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Adrenal Medulla/enzymology ; Animals ; Brain/*metabolism ; Cell Membrane/metabolism ; Cerebral Cortex/enzymology ; Epinephrine/*physiology ; Female ; Hypothalamus/enzymology ; Medulla Oblongata/enzymology ; Phenylethanolamine N-Methyltransferase/metabolism ; Pons/enzymology ; Rats ; Rats, Inbred Strains/*metabolism ; Receptors, Adrenergic/*metabolism ; Receptors, Adrenergic, alpha/*metabolism ; Species Specificity
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Publiziert von American Association for the Advancement of Science (AAAS)
    Standort Signatur Erwartet Verfügbarkeit
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  • 8
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    Insulin receptor antiserum and plant lectins mimic the direct effects of insulin on nuclear envelope phosphorylation (1983)
    American Association for the Advancement of Science (AAAS)
    Details
    Publikationsdatum: 1983-07-29
    Beschreibung: Insulin directly inhibits protein phosphorylation in isolated rat liver nuclear envelopes. In the present studies, an antiserum to insulin receptor as well as the plant lectins concanavalin A and phytohemagglutinin mimicked insulin action in isolated nuclear envelopes. These studies suggest that insulin and agents that mimic it may directly regulate nuclear functions.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Purrello, F -- Burnham, D B -- Goldfine, I D -- AM 06659/AM/NIADDK NIH HHS/ -- AM 26667/AM/NIADDK NIH HHS/ -- New York, N.Y. -- Science. 1983 Jul 29;221(4609):462-4.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6346487" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; Concanavalin A/pharmacology ; Female ; Immune Sera ; Insulin/*pharmacology ; Lectins/*pharmacology ; Nuclear Envelope/*drug effects/metabolism ; Phosphorylation ; Phytohemagglutinins/pharmacology ; Rats ; Rats, Inbred Strains ; Receptor, Insulin/*immunology
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Publiziert von American Association for the Advancement of Science (AAAS)
    Standort Signatur Erwartet Verfügbarkeit
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  • 9
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    Burst discharge in mammalian neuroendocrine cells involves an intrinsic regenerative mechanism (1983)
    American Association for the Advancement of Science (AAAS)
    Details
    Publikationsdatum: 1983-09-09
    Beschreibung: Intracellular recordings from mammalian neuroendocrine cells showed that steady, injected currents can modify and block periodic spike bursts previously associated with increased neurohormone release. Spike afterpotentials could sum to form plateau potentials, which generated bursts and did not depend on axonal conduction or chemical synapses. Therefore, bursting involves a spike-dependent, positive-feedback mechanism endogenous to single neuroendocrine cells.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Andrew, R D -- Dudek, F E -- NS 16877/NS/NINDS NIH HHS/ -- New York, N.Y. -- Science. 1983 Sep 9;221(4615):1050-2.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6879204" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Action Potentials ; Animals ; *Electrophysiology ; Evoked Potentials ; Feedback ; Hypothalamus/cytology ; In Vitro Techniques ; Membrane Potentials ; Neurosecretory Systems/cytology/*physiology ; Rats ; Tetrodotoxin/pharmacology
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Publiziert von American Association for the Advancement of Science (AAAS)
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  • 10
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    Brief deprivation of vision after unilateral lesions of the frontal eye field prevents contralateral inattention (1983)
    American Association for the Advancement of Science (AAAS)
    Details
    Publikationsdatum: 1983-04-29
    Beschreibung: Brief deprivation of vision after unilateral lesions of the frontal eye field prevents the appearance of contralateral inattention to visual, auditory, and somatosensory stimuli. The forced circling that accompanies inattention, however, is not affected. An equivalent preoperative period in the dark only partly reduces inattention symptoms. Visual deprivation does not reduce or prevent inattention resulting from lesions of the superior colliculus.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Crowne, D P -- Richardson, C M -- Ward, G -- New York, N.Y. -- Science. 1983 Apr 29;220(4596):527-30.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6836298" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; Attention/*physiology ; Darkness ; Frontal Lobe/*physiology ; Male ; Movement ; Rats ; Sensory Deprivation/*physiology ; Superior Colliculi/*physiology ; Visual Perception/*physiology
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Publiziert von American Association for the Advancement of Science (AAAS)
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