Animal Reproduction (AR)
Animal Reproduction (AR)
Original Article

Magnesium sulfate protects testis against unilateral varicocele in rat

Ahmad Asghari, Ghasem Akbari, Geghani Galustanian

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The aim of this study was to investigate the effect of magnesium sulfate (MgSO4) on experimental unilateral varicocele-induced in rats. Sixty male Wistar rats were randomly divided into six experimental groups (n = 10). The Control group had no received any medications and surgery. The Sham group had no received any medication, abdominal cavity was opened without varicocele-induced. Varicocele group: abdominal cavity was opened, varicocele done without any medication treatment. In group 4 abdominal cavity was opened, varicocele-induced then animals orally treated with MgSO4 (25 mg/kg) for 42 days. The groups 5 and 6 were similar to group 4, except animals received 50 and 100 mg/kg of MgSO4, respectively. At the end of days 21 and 42, the abdomen was opened, the left testis extracted for histopathological studies. Also, from the cauda epididymis semen samples were collected to determine malondialdehyde, superoxide dismutase and glutathione peroxidase values. According to the results, there was a significant difference in testis damage grade in Varicocele group compared to the Control group (P < 0.05). The MgSO4 significantly improved testis damage grade on day 42 (P < 0.05). The MgSO4 treatment, dose dependently improved seminiferous tubules with many spermatocytes in the seminiferous tubules in experimental unilateral varicocele established rats after 21 and 42 days (P < 0.05). Also, administration of the MgSO4 via a dose dependent manner significantly normalized malondialdehyde, superoxide dismutase and glutathione peroxidase values to the physiologic level in varicocele-induced rats after 21 and 42 days (P < 0.05). These results suggest administration of the MgSO4 protects testis against unilateral varicocele in rat.


magnesium sulfate, rat, testis, varicocele.


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