Neurotransmitter modulation of calcium current in rat spinal cord neurons

作者: DW Sah

DOI: 10.1523/JNEUROSCI.10-01-00136.1990

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摘要: The modulation of Ca2+ currents by neurotransmitters was studied in freshly dissociated rat spinal cord neurons, using the whole-cell patch- clamp technique. GABA, baclofen, adenosine, ATP, serotonin, norepinephrine, somatostatin, and dynorphin A inhibited current through channels a substantial fraction cells, while substance P, vasoactive intestinal polypeptide, [D-ala2,d-leu5]- enkephalin, cholecystokinin-8 (sulfated), calcitonin gene-related peptide, angiotensin II, neurotensin, vasopressin, thyrotropin- releasing hormone had no effect. In case inhibition is mediated, at least part, GTP-binding protein. Suppression may represent mechanism presynaptic cord.

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