期刊
INTERNATIONAL JOURNAL OF PEPTIDE RESEARCH AND THERAPEUTICS
卷 18, 期 3, 页码 239-247出版社
SPRINGER
DOI: 10.1007/s10989-012-9297-9
关键词
Betaine; Testes; Antioxidant status; Ethanol; Rat
资金
- School of Veterinary Medicine-Shiraz University, Shiraz, Iran
Oxidative stress is one of the factors associated with decline in fertility and betaine has been shown to bear antioxidant and methyl donor properties in our recent studies. Thus, we designed the present study to examine antioxidant and methyl donor abilities of betaine in oxidative stress induced by ethanol in the rat testes. The adult male Sprague-Dawley rats were divided into four experimental groups and treated daily for 2 months as follows: control, ethanol (4 g/kg, orally), betaine (1.5 % of total diet, orally), and betaine plus ethanol (betaine, 1.5 % of total diet and after 120 min, ethanol 4 g/kg). Sperm motility and concentration significantly increased in betaine group when compared to the ethanol-treated rats. The main antioxidant enzyme (GPx) activity significantly increased (in order compensatory) in ethanol-treated rats when compared to betaine group while, antiperoxidative enzyme (CAT) activity significantly increased in betaine plus ethanol group as compared to ethanol-treated rats. Total homocysteine (tHcy) and TBARS concentration (as a lipid peroxidation marker) also significantly decreased in betaine and betaine plus ethanol groups as compared to ethanol-treated rats. Overall, methyl donor and antioxidant properties of betaine are promising and reduce the elevated tHcy and TBARS concentrations in betaine plus ethanol group. Therefore, betaine might be used as a potential therapy in hyperhomocysteinemia and oxidative stress induced by ethanol in alcoholism.
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