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  • Title: Maintenance of sexual behavior in castrate male SW mice using the anti-androgen, cyproterone acetate.
    Author: Hall NR, Luttge WG.
    Journal: Pharmacol Biochem Behav; 1975; 3(4):551-5. PubMed ID: 1187718.
    Abstract:
    The present study was designed to test the hypothesis that cyproterone acetate (C) might selectively block the actions of dihydrotestosterone (D) and via this action, function as an anti-androgen in male sexual behavior. Sexually experienced male SW mice, a strain previously shown to respond to D following castration, were divided randomly into six groups. Beginning on the day after castration, animals received SC injections for 21 days of either testosterone (T), (D), (C), (T+C), (D+C) or vehicle (V). C was found to significantly reduce seminal vesicle and body weights in all androgen treated groups. There was no evidence to support the contention that C selectively blocks the action of D. To the contrary, in sex tests C maintained palpations, thrust mounts, with intromissions and mounts with ejaculations. Indeed, only animals receiving C alone or in combination with T and D exhibited ejaculations throughout the testing. These results suggest that in the SW mouse, C can work like an androgen in the maintenance of male sexual behavior.
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