Abstract
This study investigated the effect of copper sulfate (CuSO4) in the rat spermatogenesis. Forty male rats, weighing 70–80 g, were randomly divided into four groups: control group (CG, 0 mg/kg BW), low-dose group (LG, 100 mg/kg BW), mid-dose group (MG, 200 mg/kg BW), and high-dose group (HG, 400 mg/kg BW). Rats were administered CuSO4 by gavage for 30 days. A variety of measurements were taken including the testis coefficients, the sperm count, the abnormal malformation rate, testosterone (T), luteinizing hormone (LH), and follicle-stimulating hormone (FSH) concentrations in the serum. In addition, glutathione peroxidase (GSH-Px) and superoxide dismutase (SOD) activities, and malondialdehyde (MDA) concentration in the testis were determined. The results showed that in the CuSO4-treated groups, the testis coefficients, sperm count, T, LH, and FSH concentrations, and GSH-Px and SOD activities decreased, while the abnormal malformation rate and MDA concentration increased, compared with the CG. It indicates that CuSO4 exposure impairs the sperm quality and inhibits secretion of sex hormone and gonadotropin, and testis anti-oxidative function, suppressing the rat spermatogenesis.
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Acknowledgments
This study was supported by a grant from the Ph.D. Programs Foundation of Ministry of Education of China (20132325110001), the Natural Science Foundation of Heilongjiang Province of China (C201425), and the National Natural Science Foundation Project (31372496).
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Liu, J.Y., Yang, X., Sun, X.D. et al. Suppressive Effects of Copper Sulfate Accumulation on the Spermatogenesis of Rats. Biol Trace Elem Res 174, 356–361 (2016). https://doi.org/10.1007/s12011-016-0710-7
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DOI: https://doi.org/10.1007/s12011-016-0710-7