Cocaine and amphetamine-regulated-transcript peptide mediation of leptin stimulatory effect on the rat gonadotropin-releasing hormone pulse generator in vitro.

Abstract excerpt

Pulsatile gonadotropin-releasing hormone (GnRH) secretion was studied in vitro using explants of the retrochiasmatic hypothalamus from prepubertal male and female rats. Leptin caused a dose-dependent reduction of the GnRH interpulse interval in both sexes. We studied the effects of cocaine- and amphetamine-regulated transcript (CART) since this peptide was shown recently to mediate the anorectic effects of leptin...

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