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dos Santos Gomes F.O.,Laboratorio Of Ultraestrutura Do Instituto Aggeu Magalhaes Fiocruz | dos Santos Gomes F.O.,Federal University of Pernambuco | Saraiva K.L.A.,State University of Paraiba | Ribeiro E.L.,Laboratorio Of Ultraestrutura Do Instituto Aggeu Magalhaes Fiocruz | And 10 more authors.
Tissue and Cell | Year: 2014

Sildenafil is a potent and selective inhibitor of phosphodiesterase-5 (PDE5) and is considered first-line therapy for erectile dysfunction. Nowadays, Sildenafil is used extensively throughout the world on patients with pulmonary hypertension. However, few studies have evaluated the possible side effects of chronic Sildenafil treatment on the male reproductive system, specifically in the prostate. In the present study, it was demonstrated via morphological and ultrastructural analysis that chronic treatment with Sildenafil induced an enhancement of the glandular activity of the prostate. In addition, mice treated with Sildenafil showed a significant increase in testosterone serum levels. However, no statistically significant differences were observed in nitric oxide serum levels, or in sGC, eNOS, PSA and TGF-β prostatic expression. In conclusion, the present study suggests that chronic use of Sildenafil does not cause evident prostatic damage, and therefore, can be used pharmacologically to treat a variety of disorders. © 2014 Elsevier Ltd. Source

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