Article ID Journal Published Year Pages File Type
4200952 Journal of Traditional Chinese Medicine 2016 6 Pages PDF
Abstract

ObjectiveTo determine whether the central nervous system is involved in the effect of Chinese herbal medicine on sexual function recovery in orchidectomized rats.MethodsOrchidectomized rats were administered intragastrically with a decoction of “kidney-nourishing” Chinese herbal medicine once per day for 28 days. Accessory genital organ weight, plasma testosterone, and mating behavior were investigated. The expression of c-Fos and neuronal nitric oxide synthase (nNOS) in neuronal cells in the nucleus accumbens (NAc) was analyzed by immunohistochemistry.ResultsThere was a decrease in accessory genital organ weight, plasma testosterone, and sexual behavior, as well as a low number of c-Fos-positive cells and a large nNOS-positive cell area in orchidectomized rats. Administration of the herbal medicine increased accessory genital organ weight, testosterone level, mating behavior, and c-Fos-positive cell number, while it decreased the nNOS-positive cell area in orchidectomized rats.ConclusionAn increase of plasma testosterone after administration of “kidney-nourishing” herbal medicine might contribute to the elevated sexual function and activity in orchidectomized rats. In addition, a central nervous system mechanism, such as the functional alteration of NAc, might be involved.

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