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《亚太生殖杂志（英文版）》
>Plasma antioxidant capacity, sexual and thyroid hormones levels, sperm quantity and quality parameters in stressed male rats received nano-particle of selenium
Plasma antioxidant capacity, sexual and thyroid hormones levels, sperm quantity and quality parameters in stressed male rats received nano-particle of selenium
Objective:To evaluate the effects of nano-particle of selenium (nSe) on plasma antioxidant capacity, sexual and thyroid hormones and spermatogenesis in male rats exposed to oxidative stress.Methods:Forty rats were randomly divided into four treatments with ten replicates. Treatment groups were: C, the control group received normal saline as gavage and injection (i.p.); OS, received tert-butyl hydroperoxide (0.2 mmol/kg body weight) for inducing oxidative stress; nSe, received nSe (0.3 mg/kg body weight) as gavage, and OS+nSe, received tert-butyl hydroperoxide and nSe. All groups were treated for 28 d and administrations were done each 48 h.Results:Oxidative stress decreased and gavage of nSe to stressed rats increased the antioxidant capacity and activities (P<0.05). Oxidative stress decreased and nSe increased the levels of thyroid, gonadotropic and testosterone hormones as compared with the control group (P<0.05). Gavage of nSe to stressed rat resulted in increase (P<0.05) of gonadotropin and testosterone hormones compared to oxidative stress group. There were no significant differences (P>0.05) between rats exposed to oxidative stress and those in the control group for sperm quantity and quality. Gavage of nSe to stressed rats had no effect (P>0.05) on the sperm parameters, except increased viability and progressive percentages.Conclusions:Nano-particle of Selenium administration in stressed rats could ameliorate the negative effects of oxidative stress on the antioxidant capacity and activities, but not on the quantity and quality parameters of sperm.
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