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  • Animals  (7)
  • Female
  • Mutation
  • Phylogeny
  • American Association for the Advancement of Science (AAAS)  (7)
  • 2010-2014
  • 1985-1989  (7)
  • 1985  (7)
Sammlung
Schlagwörter
Verlag/Herausgeber
  • American Association for the Advancement of Science (AAAS)  (7)
Erscheinungszeitraum
  • 2010-2014
  • 1985-1989  (7)
Jahr
  • 1
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    A potent nonpeptide cholecystokinin antagonist selective for peripheral tissues isolated from Aspergillus alliaceus (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publikationsdatum: 1985-10-11
    Beschreibung: A new, competitive, nonpeptide cholecystokinin (CCK) antagonist, asperlicin, was isolated from the fungus Aspergillus alliaceus. The compound has 300 to 400 times the affinity for pancreatic, ileal, and gallbladder CCK receptors than proglumide, a standard agent of this class. Moreover, asperlicin is highly selective for peripheral CCK receptors relative to brain CCK and gastrin receptors. Since asperlicin also exhibits long-lasting CCK antagonist activity in vivo, it should provide a valuable tool for investigating the physiological and pharmacological actions of CCK.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Chang, R S -- Lotti, V J -- Monaghan, R L -- Birnbaum, J -- Stapley, E O -- Goetz, M A -- Albers-Schonberg, G -- Patchett, A A -- Liesch, J M -- Hensens, O D -- New York, N.Y. -- Science. 1985 Oct 11;230(4722):177-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2994227" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; Aspergillus/*metabolism ; Benzodiazepinones/*isolation & purification/pharmacology ; Chemical Phenomena ; Chemistry ; Cholecystokinin/*antagonists & inhibitors/pharmacology/physiology ; Dose-Response Relationship, Drug ; Gallbladder/drug effects ; Guinea Pigs ; Ileum/drug effects ; Pancreas/drug effects ; Rats ; Receptors, Cell Surface/drug effects ; Receptors, Cholecystokinin
    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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    Complete development of hepatic stages of Plasmodium falciparum in vitro (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publikationsdatum: 1985-01-25
    Beschreibung: An in vitro model was developed to study the hepatic phase of Plasmodium falciparum, the only malaria parasite lethal to man. Primary cultures of human hepatocytes were inoculated with sporozoites of Brazilian and African strains of P. falciparum. On days 1 through 7 after inoculation examination of fluorescence-labeled and Giemsa-stained preparations demonstrated the presence of many intracellular parasites. In three separate sets of experiments all cultures were found to be infected with as many as 650 liver schizonts measuring up to 40 micrometers. After the addition of red blood cells, intraerythrocytic forms of P. falciparum were detected on days 12 and 13 by an immunofluorescence assay, indicating that the hepatic cycle had been completed in vitro.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Mazier, D -- Beaudoin, R L -- Mellouk, S -- Druilhe, P -- Texier, B -- Trosper, J -- Miltgen, F -- Landau, I -- Paul, C -- Brandicourt, O -- New York, N.Y. -- Science. 1985 Jan 25;227(4685):440-2.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3880923" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; Azure Stains ; Cells, Cultured ; Culture Media ; Erythrocytes/parasitology ; Fluorescent Antibody Technique ; Liver/*parasitology ; Plasmodium falciparum/cytology/*growth & development ; Time Factors
    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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  • 3
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    Molecular defects in a human immunoglobulin kappa chain deficiency (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publikationsdatum: 1985-10-25
    Beschreibung: The molecular basis of a human immunoglobulin deficiency characterized by the complete absence of kappa chains has been investigated by nucleotide sequence analyses of a patient's kappa constant region (C kappa) genes. Both of his C kappa genes had a single point mutation, resulting in the loss of the invariant tryptophan from one allele and of an invariant cysteine from the other allele. These results indicate that neither of the patient's C kappa alleles encoded a kappa chain that could form a stable intradomain disulfide bond, although peculiarities in the expression of kappa chains in the patient's family suggest that other factors may be involved.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Stavnezer-Nordgren, J -- Kekish, O -- Zegers, B J -- AI17558/AI/NIAID NIH HHS/ -- New York, N.Y. -- Science. 1985 Oct 25;230(4724):458-61.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3931219" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; Base Sequence ; DNA, Recombinant ; Genetic Engineering ; Humans ; Immunoglobulin kappa-Chains/*genetics ; Immunologic Deficiency Syndromes/*genetics ; Pedigree ; Rabbits
    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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    Melatonin: a coordinating signal for mammalian reproduction? (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publikationsdatum: 1985-02-15
    Beschreibung: There is a daily rhythm in the production of the pineal hormone melatonin in all mammalian species. Production is stimulated by darkness and inhibited by light. This provides a signal reflecting the changing environmental lighting cycle. In seasonally breeding mammals that use changes in the photoperiod to time their reproductive cycles, temporal signals to the reproductive system are controlled by the daily rhythm in melatonin production.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Tamarkin, L -- Baird, C J -- Almeida, O F -- New York, N.Y. -- Science. 1985 Feb 15;227(4688):714-20.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3881822" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; Circadian Rhythm ; Estrus ; Female ; Gonads/physiology ; Hypothalamo-Hypophyseal System/physiology ; Light ; Male ; Mammals/physiology ; Melatonin/*physiology ; Pineal Gland/*physiology ; Pregnancy ; *Reproduction ; Seasons ; Sexual Maturation
    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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    cis- and trans-acting transcriptional regulation of visna virus (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publikationsdatum: 1985-08-02
    Beschreibung: Visna virus is a pathogenic lentivirus of sheep that is related to human T-cell lymphotropic virus type III (HTLV-III), the probable etiologic agent of the acquired immune deficiency syndrome (AIDS). The transcriptional activity of visna virus promoter and enhancer sequences was studied by means of an assay based on the transient expression of the bacterial gene chloramphenicol acetyltransferase (CAT). The results suggest that the high level of expression of visna virus is due in part to cis-acting enhancer sequences that give the viral promoter a high level of transcriptional activity. In addition, the rate of transcription from the visna virus promoter situated in a plasmid expressing the CAT gene was much greater in infected than uninfected cells. This phenomenon of trans-acting transcriptional activation may involve either virally or cellularly encoded factors.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hess, J L -- Clements, J E -- Narayan, O -- NS-15721/NS/NINDS NIH HHS/ -- NS-16145/NS/NINDS NIH HHS/ -- New York, N.Y. -- Science. 1985 Aug 2;229(4712):482-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2990051" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Acetyltransferases/genetics ; Animals ; Base Sequence ; Cell Line ; Chloramphenicol O-Acetyltransferase ; Choroid Plexus ; Chromosome Mapping ; Enhancer Elements, Genetic ; *Genes, Regulator ; Goats ; Humans ; L Cells (Cell Line) ; Macrophages ; Mice ; Plasmids ; Promoter Regions, Genetic ; Sheep ; Synovial Membrane ; T-Lymphocytes ; *Transcription, Genetic ; Transfection ; Visna-maedi virus/*genetics
    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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  • 6
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    Coronary vasoconstrictor effects of atriopeptin II (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publikationsdatum: 1985-11-01
    Beschreibung: Atrial natriuretic peptides lower arterial pressure, cardiac filling pressure, and cardiac output. In isolated, Langendorff-perfused guinea pig hearts, atriopeptin II, the 23-amino acid atrial natriuretic peptide, is also a potent coronary vasoconstrictor. The median effective dose for atriopeptin II in guinea pig hearts is 26 nanomoles, the threshold constrictor dose is 5 nanomoles, and flow nearly ceases at a dose of 100 nanomoles in perfused hearts at constant pressure. Similar concentrations of atriopeptin II also cause coronary vasoconstriction in rat and dog heart preparations. The disulfide bridge is necessary for vasoconstrictor activity; reduction of this bridge abolishes the activity, as it does the other biological activities of atrial natriuretic peptides.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wangler, R D -- Breuhaus, B A -- Otero, H O -- Hastings, D A -- Holzman, M D -- Saneii, H H -- Sparks, H V Jr -- Chimoskey, J E -- HL07507/HL/NHLBI NIH HHS/ -- HL24232/HL/NHLBI NIH HHS/ -- HL30239/HL/NHLBI NIH HHS/ -- etc. -- New York, N.Y. -- Science. 1985 Nov 1;230(4725):558-61.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2931801" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Adenosine/pharmacology ; Animals ; Atrial Natriuretic Factor/*pharmacology ; Coronary Circulation/*drug effects ; Dose-Response Relationship, Drug ; Guinea Pigs ; Norepinephrine/pharmacology ; Perfusion ; Regional Blood Flow/drug effects ; Vasoconstriction/*drug effects ; Verapamil/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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  • 7
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    Characterization of envelope and core structural gene products of HTLV-III with sera from AIDS patients (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publikationsdatum: 1985-05-03
    Beschreibung: The envelope (env) and structural (gag) gene products of human T-cell leukemia (lymphotropic) virus type III were identified by immunoaffinity chromatography, immunoprecipitation, and two-dimensional oligopeptide mapping methods. The env gene specifies a glycosylated polypeptide with a molecular weight of 160,000 (gp160) that is processed to gp120 and smaller gene products. The gag gene specifies two polypeptides of 70,000 and 55,000 molecular weight (p70 and p55), both of which contain p24, the major structural protein of the mature virion. The techniques in this study can be used to define the extent of variability of the env gene product among different virus isolates and may identify the nature and patterns of the humoral immune response that lead to an immunologically protected state.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Robey, W G -- Safai, B -- Oroszlan, S -- Arthur, L O -- Gonda, M A -- Gallo, R C -- Fischinger, P J -- N01-CO-23909/CO/NCI NIH HHS/ -- N01-CO-23910/CO/NCI NIH HHS/ -- New York, N.Y. -- Science. 1985 May 3;228(4699):593-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2984774" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Acquired Immunodeficiency Syndrome/*microbiology ; Animals ; Antibodies, Viral/immunology ; Chromatography, Affinity ; Deltaretrovirus/*metabolism ; Genes, Viral ; Humans ; Molecular Weight ; Pan troglodytes ; Sarcoma, Kaposi/microbiology ; Viral Envelope Proteins/*isolation & purification ; Viral Proteins/isolation & purification
    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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