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Abstract

Volume 1, Issue 4 (December 1999) 1, 181–185;

Apoptosis in rat erectile tissue induced by castration

X.H. Zhang, L.Q. Hu, X.M. Zheng, S.W. Li

Research Center of Urology and Andrology, Hubei Medical University, Wuhan 430071, China
    
    

Advance online publication 1 December 1999

Abstract

Aim: To investigate the effect of androgen on the structure of corpus cavernosum. Methods: Thirty mature rats were randomized into 3 groups, i.e., simple castration, castration with testosterone (T) supplementation and sham-operated controls. One week after operation, the animals were sacrificed and corpora cavenosa harvested. Apoptosis was detected with the in situ end labeling (ISEL) techniques and DNA fragment analysis. Results: The apoptotic rate was 4.19% in the simple castrated rats, 0.2% in castrated rats supplemented with T and 0.14% in the controls. Significant difference was found between the simple castrates and other two groups (P<0.01). When comparing the T-supplementation group with the controls, there was no statistical difference (P>0.05). Conclusion: Castration induced apoptosis in rat corpus cavernosum, that could be prevented by T supplementation. It suggests that androgen plays an important role in maintaining the structure of corpus cavernosum.

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Asian Journal of Andrology CN 31-1795/R ISSN 1008-682X  Copyright © 2023  Shanghai Materia Medica, Chinese Academy of Sciences.  All rights reserved.