Author: Moshtaghion Seyyed-Mehdi Malekinejad Hassan Razi Mazdak Shafie-Irannejad Vahid
Publisher: Informa Healthcare
ISSN: 1939-6368
Source: Systems Biology in Reproductive Medicine, Vol.59, Iss.5, 2013-10, pp. : 270-280
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Abstract
This study was designed to evaluate the protective effect of silymarin (SMN) on varicocele-induced damage in testis and its effects on sperm parameters and on antioxidant status. Wistar rats were divided into three groups: control-sham, varicocele-induced, and SMN-treated varicocelized (50mg/kg, orally) rats. The sperm count, DNA integrity, and histone-protamine transition was evaluated after 42 days. The antioxidant status was analyzed by determining testicular malondialdehyde (MDA) and total thiol molecules (TTM). The endocrine status of the testicular tissue was estimated by counting the normal Leydig cell distribution/mm2 and by determination of serum testosterone. The expression of E2f1 mRNA was analyzed using RT-PCR. Carbohydrate depletion and lipid foci replacement in germinal cells were examined by histochemical analyses. Silymarin rehabilitated the varicocele-induced Leydig cell degeneration and testosterone reduction. In addition, SMN recovered the varicocele-induced reduction of TTM and lowered significantly (
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