International Journal of Biomedicine. 2019;9(1):31-34.
DOI: 10.21103/Article9(1)_OA5
Originally published March 15, 2019
A comparative analysis was carried out of the parameters of lipoperoxidation and antioxidant protection in fertile and infertile men of two ethnic groups (Caucasians and Mongoloids), who were carriers of different genotypes of xenobiotic biotransformation genes (GSTT1 and GSTM1). In serum and ejaculate, we determined the content of thiobarbituric acid (TBA-AP), α-tocopherol, reduced glutathione (GSH) and oxidized glutathione (GSSG); the activity of glutathione-S-transferase (GST), glutathione peroxidase (GPO) and glutathione reductase (GR); and total antioxidant activity (AOA). It was found that in Caucasian fertile men, carriers of genotypes GSTT1(*0/*0)/GSTM1(*0/*0), there was a decrease in GST activity in serum and ejaculate with an increase in AOA in these substrates in comparison with similar indicators in carriers of genotypes GSTT1(1+/1+)/GSTM1(1+/1+). In Mongoloid fertile men, carriers of genotypes GSTT1(*0/*0)/GSTM1(*0/*0), in comparison with similar indices in carriers of genotypes GSTT1(1+/1+)/GSTM1(1+/1+), we found an increase in serum content of α-tocopherol and activity of GPO, a decrease in GST activity, and a decrease in the level of α-tocopherol in the ejaculate. In Caucasians with infertility, carriers of genotypes GSTT1(*0/*0)/GSTM1(0*/*0), we found decreased activity of GST in the blood and ejaculate. In this group, we also registered a decrease in the GSH level, with an increase in the level TBA-AP and GPO activity. In infertile Mongoloids, carriers of genotypes GSTT1(*0/*0)/GSTM1(*0/*0), we found an increase in the level TBA-AP and GPO activity and a decrease in serum α-tocopherol level.
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Received January 28, 2019.
Accepted February 20, 2019.
©2019 International Medical Research and Development Corporation.
