Functional antagonism of D-1 and D-2 dopaminergic mechanisms affecting striatal acetylcholine release.


Rat striatal slices prelabelled with [3H]choline were superfused with dopamine D-1 and D-2 agonists and antagonists, separately and in combination, during measurement of [3H]acetylcholine (ACh) release. SKF38393 (D-1 agonist), 10(-7)-10(-4) M, and SCH23390 (D-1 antagonist), 10(-7)-10(-5) M, produced a dose-dependent increase in [3H]ACh release when given… (More)


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