Down regulation of beta-receptors by bupropion and its major metabolite in mouse brain.


Mice were treated with bupropion Compound II (major metabolite of bupropion) or desmethylimpramine (DMI) twice a day intraperitoneally for either 1 or 3 weeks. The binding of dihydroalprenolol and spiroperidol in the frontal cortex and limbic forebrain areas were analyzed. There was a significant reduction in beta-receptors in the frontal cortex induced by… (More)


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