Abstract
The present study was aimed to examine the effects of 3-week zinc and melatonin administration on testicular tissue injury and serum Inhibin-B levels caused by unilateral testicular torsion–detorsion in rats. The study was performed on 60 Wistar Albino-type adult male rats. The animals were allocated to 6 groups in equal numbers. 1. Control; 2. Sham; 3. Ischemia–reperfusion; 4. Zinc + ischemia–reperfusion; 5. Melatonin + ischemia–reperfusion; 6. Zinc + melatonin + ischemia–reperfusion. Zinc and melatonin were administered before ischemia–reperfusion at doses of 5 and 3 mg/kg respectively, by intraperitoneal route for a period of 3 weeks. Testicular torsion–detorsion procedures consisted of ischemia for 1 h and then reperfusion for another hour of the left testis. Blood and testicular tissue samples were collected to analyze erythrocyte and tissue GSH and plasma and tissue MDA, Inhibin-B levels. The highest erythrocyte and testis GSH values were found in zinc, melatonin, and zinc + melatonin groups (p < 0.001). Torsion–detorsion group has significantly lower erythrocyte GSH levels and higher plasma MDA values (p < 0.001). Serum inhibin-B and spermatogenic activity levels in the torsion–detorsion group were also significantly lower than those in the other groups (p < 0.001). However, zinc-, melatonin-, and melatonin + zinc-supplemented groups have higher inhibin-B and spermatogenetic activity (p < 0.001). The results of the study show that zinc, melatonin, and melatonin + zinc administration partially restores the increased oxidative stress, as well as the reduced inhibin-B and spermatogenic activity levels in testes ischemia–reperfusion in rats. Suppressed inhibin-B levels in the testicular tissue may be a marker of oxidative stress.






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This study was supported by the Scientific Research Projects Coordinatorship of Selcuk University (SUBAPK; Project No. 12202010).
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Authors declare no conflict of interest. The study protocol was approved by the Ethics Board of the Selcuk University’s School of Veterinary Medicine in (28 December 2011 and 2011/112).
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Semercioz, A., Baltaci, A.K., Mogulkoc, R. et al. Effect of Zinc and Melatonin on Oxidative Stress and Serum Inhibin-B Levels in a Rat Testicular Torsion–Detorsion Model. Biochem Genet 55, 395–409 (2017). https://doi.org/10.1007/s10528-017-9826-5
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DOI: https://doi.org/10.1007/s10528-017-9826-5


