KMID : 0359319950350020263
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Korean Journal of Veterinary Research 1995 Volume.35 No. 2 p.263 ~ p.270
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The effects of testosterone propionate , dihydrotestosterone , nandrolone decanoate on the levels of phosphocreatine and creatine in the mouse seminal vesicle
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Abstract
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Creatinc(Cr) and phosphocreatine(PCr), the important mediators of intracellular high-energy phosphate buffer system, were found in the tissues of mouse seminal vesicle and also in the extracellular fluids of seminal vesicle secretion. This study was performed m confirm that the secretion and accumulation of Cr and PCr is regulated by testosterone and its 5¥á-reduced metabolite, 5¥á-dihydrotestosterone(DHT). In addition, the effect of nandrolone decanoate(ND), a synthetic anabolic steroid, on the levels of Cr and PCr in the seminal vesicle was compared with those of testosterone propionate(TP) and DHT. Male Swiss-Webster mice were castrated and three groups of the castrates were treated with daily injection(sc) of same molar dose(1.45¡¿10^(-8)§ß/g BW) oP TP, DHT, or ND. All three androgens rapidly increased weights of seminal vesicle tissue and fluid, and also increased concentrations of Cr and PCr in the tissue and fluid. However, ND was least effective in increasing seminal vesicle weights, whereas ND was as effective as, or in some cases, more effective than, TP or DHT in increasing Cr and PCr levels in the tissue and fluid. The results confirm that the accumulation of Cr and PCr in the seminal vesicles is regulated by testosterone and DHT, and also suggest that the effects of androgens on seminal vesicle growth and secretory activity may be differentiated.
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KEYWORD
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