Chronic domperidone fails to increase striatal spiperone binding sites despite hyperprolactinemia: comparison with chronic haloperidol.


Mice were administered the dopaminergic antagonists haloperidol or domperidone in their drinking water for 2 or 21 days. Serum prolactin levels and striatal 3H-spiperone-binding sites (D-2 receptors) were compared to vehicle-treated controls. While only domperidone elevated serum prolactin levels, only haloperidol increased the density of striatal 3H… (More)


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