EFFECTS OF CYPROTERONE ACETATE UPON URINARY AVERSIVE CUES AND ACCESSORY SEX GLANDS IN MALE ALBINO MICE

in Journal of Endocrinology
Authors:
R. B. JONES
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N. W. NOWELL
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Male mouse urine contains an androgen-dependent aversive pheromone which discourages prolonged investigation, by male conspecifics, of an area marked with such urine (Jones & Nowell, 1973a). The source of this pheromone lies in the coagulating glands, whose secretion, when combined with bladder urine, causes avoidance (Jones & Nowell 1973b). The present study describes an attempt to inhibit the release of the aversive pheromone of male mice by treatment with the potent anti-androgen cyproterone acetate. Thus the open-field responses of male mice to the urine of either oil-injected or cyproterone acetate-injected males were compared. Some confirmation of the inhibitory action of cyproterone acetate upon sex accessory organ responses to endogenous androgens was gained by recording the weights of the ventral prostate, preputial and coagulating glands.

Twenty 24-day-old male t.o. albino mice were divided into two groups of ten; the first group received s.c. injections of cyproterone acetate (2 mg/mouse)

 

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