D. Allen, K. Renner, V. Luine
Mar 1, 1985
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Journal
Hormones and Behavior
Abstract
Naltrexone hydrochloride (3mg/kg) facilitated sexual receptivity in ovariectomized female rats given estradiol benzoate 44 hr previously. The latency of naltrexone facilitation is 3 hr, which is similar to that by progesterone. Other doses of naltrexone (1 and 5 mg/kg) were ineffective. Unlike the effect of progesterone, the facilitation of behavior by naltrexone is not blocked by the protein synthesis inhibitor anisomycin. Naltrexone facilitation was blocked by pargyline, a monoamine oxidase inhibitor.