Testosterone regulation of androgen receptor levels in the uropygial gland of quails (Coturnix coturnix): A further proof for the androgen dependency of the uropygial gland

1986 
Abstract In castrated quails supplemented with testosterone by a chronically implanted silastic capsule, removal of the implant resulted in the gradual disappearance of the androgen receptors in both cloacal and uropygial glands. However, after a 7-day time span, the receptors reappeared in both glands but did not reach the original level of implanted birds. On the other hand, the photostimulation of intact birds induced an increase of the receptor content of their uropygial and cloacal glands when compared to sexually quiescent birds. These results show that, the concentration of the androgen receptors of the uropygial and cloacal glands of adult male quails is partly controlled by testosterone. By comparison with the mechanism of the action of testosterone in mammal target organs, our results add weight to the androgen dependency of quails uropygial glands (a sebaceous like organ).
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