The impact in the agnors expression and apoptosis in the prostate of hamster-mesocricetus auratus (HMA) submitted to finasteride application.

OBJECTIVE To evaluate the impact on the AgNORs expression and apoptosis in the prostate of the hamster-Mesocricetus auratus (HMA) submitted to the application of finasteride. METHODS Twenty male rodents of the species HMA (n = 20) were randomly assigned to groups of ten animals: Finasteride group (n = 10) and the Control group (n = 10). In the finasteride group 7.14 ng / mL finasteride was subcutaneously (SC) administered on the back of the animals three times a week for 90 days. AgNOR expression was evaluated as a marker of cell proliferation and apoptosis as a marker of cell death. RESULTS The expression of AgNORs was lower in the finasteride group, 2.846 ± 0.877 vs. 3.68 ± 1.07 argyrophilic regions per square micrometer (µm2) in the control group, p = <0.0001. Apoptosis was more frequent in the finasteride group, 53.62 ± 1.389 versus 14.76 ± 2.13 per µm2 in the control group, p = 0.0408. CONCLUSION We observed decreased expression of AgNORs and promotion of apoptosis in the prostate of rodents treated with finasteride.