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  • Title: Effects of chronic electroconvulsive shock on D1 and D2 dopamine receptor-mediated activity of adenylate cyclase in homogenates of striatum and limbic forebrain of rat.
    Author: Newman ME, Lerer B.
    Journal: Neuropharmacology; 1989 Aug; 28(8):787-90. PubMed ID: 2674765.
    Abstract:
    Stimulation of adenylate cyclase by dopamine in homogenates of the striatum was unaltered in rats which had received either a single or a series of 10 electroconvulsive shock, compared to those which received sham treatment. In homogenates of the limbic forebrain, stimulation by both 100 microM dopamine and by 4 microM SKF 38393 was significantly increased after chronic electroconvulsive shock. The activity of D2 receptors, as measured by inhibition of forskolin-stimulated adenylate cyclase, in the presence of the D1 receptor antagonist SCH 23390, was unaltered by chronic electroconvulsive shock in either area of the brain. The selective effect of chronic electroconvulsive shock in increasing the activity of D1 receptors may account both for the increase, in dopamine-mediated behaviour, seen after chronic electroconvulsive shock and for the antiparkinsonian effects of this treatment.
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