|Title:||Using curcumin to prevent structural impairments of testicles in rats induced by sodium metabisulfite|
|Abstract:||Sodium metabisulfite (Na-MBS) is a disinfectant and preservative agent. Some organ including testicle would be in danger in the case of Na-MBS consumption. Curcumin (CUR) is the constituent of turmeric with protective properties. The effect of CUR on testicles in rats exposed to Na-MBS evaluated using stereological methods. Sprague-Dawley rats were divided into eight groups. The rats in groups I to VIII received the following respec- tively: distilled water, CUR (100 mg/kg/day), low (0.7 mg/kg/day: acceptable daily intake), intermediate (7 mg/ kg/day), and high (70 mg/kg/day) doses of Na-MBS, and low, intermediate, and high doses of Na-MBS plus CUR. After 7 weeks, the testicles were analyzed. The volume of seminiferous tubule, tubular epithelium and tubule length reduced (25-40 %) on average in the rats that received intermediate and high doses of Na-MBS, while the connective tissue volume increased (15-20 %) in both groups (P<0.01). Besides, 19-36 % and 41-57 % of the cells (spermatogonia types A and B, spermatids, Sertoli and Leydig) were lost in the rats that received intermediate and high doses of Na-MBS respectively in comparison to the control groups. Nonetheless, all the above-mentioned alterations ameliorated drastically in the rats that received Na-MBS plus CUR compared to those exposed to Na- MBS without CUR therapy (P<0.01). The acceptable daily intake of Na-MBS for 7 weeks did not affect on testic- ular parameters. CUR (100 mg/kg/day) could prevent structural impairments of testicles in the rats induced by Na-MBS (7 and 70 mg/kg/day).|
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