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  • Benzazepines/pharmacology  (1)
  • Drug Resistance  (1)
  • Macaca mulatta  (1)
  • 1
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    Dual signaling regulated by calcyon, a D1 dopamine receptor interacting protein (2000)
    American Association for the Advancement of Science (AAAS)
    Details
    Publikationsdatum: 2000-03-04
    Beschreibung: The synergistic response of cells to the stimulation of multiple receptors has been ascribed to receptor cross talk; however, the specific molecules that mediate the resultant signal amplification have not been defined. Here a 24-kilodalton single transmembrane protein, designated calcyon, we functionally characterize that interacts with the D1 dopamine receptor. Calcyon localizes to dendritic spines of D1 receptor-expressing pyramidal cells in prefrontal cortex. These studies delineate a mechanism of Gq- and Gs-coupled heterotrimeric GTP-binding protein-coupled receptor cross talk by which D1 receptors can shift effector coupling to stimulate robust intracellular calcium (Ca2+i) release as a result of interaction with calcyon. The role of calcyon in potentiating Ca2+-dependent signaling should provide insight into the D1 receptor-modulated cognitive functions of prefrontal cortex.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lezcano, N -- Mrzljak, L -- Eubanks, S -- Levenson, R -- Goldman-Rakic, P -- Bergson, C -- MH56608/MH/NIMH NIH HHS/ -- P50 MH068789/MH/NIMH NIH HHS/ -- P50 MH44866/MH/NIMH NIH HHS/ -- R01 MH063271/MH/NIMH NIH HHS/ -- New York, N.Y. -- Science. 2000 Mar 3;287(5458):1660-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Pharmacology and Toxicology, Medical College of Georgia, Augusta, GA 30912-2300, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10698743" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Amino Acid Sequence ; Animals ; Benzazepines/pharmacology ; Brain/cytology/metabolism ; Calcium/metabolism ; Calcium Signaling ; Cell Line ; Cyclic AMP/metabolism ; Dendrites/chemistry/metabolism ; Dopamine Agonists/pharmacology ; Female ; Heterotrimeric GTP-Binding Proteins/metabolism ; Humans ; Macaca mulatta ; Membrane Proteins/analysis/chemistry/genetics/*metabolism ; Molecular Sequence Data ; Prefrontal Cortex/cytology/*metabolism ; Pyramidal Cells/chemistry/*metabolism ; Rabbits ; *Receptor Cross-Talk ; Receptors, Dopamine D1/analysis/*metabolism ; Receptors, Neurotransmitter/metabolism ; Recombinant Fusion Proteins/metabolism ; Signal Transduction ; Two-Hybrid System Techniques
    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
    BibTip Andere fanden auch interessant ...
    AKTUELLE ARTIKEL
  • 2
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    Ouabain resistance conferred by expression of the cDNA for a murine Na+, K+-ATPase alpha subunit (1987)
    American Association for the Advancement of Science (AAAS)
    Details
    Publikationsdatum: 1987-08-21
    Beschreibung: The molecular basis for the marked difference between primate and rodent cells in sensitivity to the cardiac glycoside ouabain has been established by genetic techniques. A complementary DNA encoding the entire alpha 1 subunit of the mouse Na+- and K+-dependent adenosine triphosphatase (ATPase) was inserted into the expression vector pSV2. This engineered DNA molecule confers resistance against 10(-4) M ouabain to monkey CV-1 cells. Deletion of sequences encoding the carboxyl terminus of the alpha 1 subunit abolish the activity of the complementary DNA. The ability to assay the biological activity of this ATPase in a transfection protocol permits the application of molecular genetic techniques to the analysis of structure-function relationships for the enzyme that establishes the internal Na+/K+ environment of most animal cells. The full-length alpha 1 subunit complementary DNA will also be useful as a dominant selectable marker for somatic cell genetic studies utilizing ouabain-sensitive cells.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kent, R B -- Emanuel, J R -- Ben Neriah, Y -- Levenson, R -- Housman, D E -- CA-07919/CA/NCI NIH HHS/ -- CA-26712/CA/NCI NIH HHS/ -- CA-38992/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1987 Aug 21;237(4817):901-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3039660" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; Cells, Cultured ; Cercopithecus aethiops ; DNA/genetics ; Drug Resistance ; Gene Expression Regulation ; Macromolecular Substances ; Mice ; Ouabain/*pharmacology ; Sodium-Potassium-Exchanging ATPase/antagonists & inhibitors/*genetics ; Species Specificity ; Structure-Activity Relationship ; Transfection
    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
    BibTip Andere fanden auch interessant ...
    AKTUELLE ARTIKEL
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