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Constitutive activity of the dopamine (D5) receptor, highly expressed in CA1 hippocampal neurons, selectively reduces CaV3.2 and CaV3.3 currents

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CaV3.1‐3 currents differentially contribute to neuronal firing patterns. CaV3 are regulated by G protein‐coupled receptors (GPCRs) activity, but information about CaV3 as targets of the constitutive activity of GPCRs is… Click to show full abstract

CaV3.1‐3 currents differentially contribute to neuronal firing patterns. CaV3 are regulated by G protein‐coupled receptors (GPCRs) activity, but information about CaV3 as targets of the constitutive activity of GPCRs is scarce. We investigate the impact of D5 recpetor constitutive activity, a GPCR with high levels of basal activity, on CaV3 functionality. D5 recpetor and CaV3 are expressed in the hippocampus and have been independently linked to pathophysiological states associated with epilepsy.

Keywords: activity dopamine; dopamine receptor; constitutive activity; cav3 currents; cav3; activity

Journal Title: British Journal of Pharmacology
Year Published: 2022

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