Abstract
To analyze oxidative stress markers and seminal standard parameters after using resveratrol (0.1, 1.0, and 10.0 mM), an important antioxidant, in the cryopreservation of human semen. In vitro prospective study. Institutional study. Infertile and fertile men. None. Levels of thiobarbituric acid-reactive species (TBARS), superoxide dismutase (SOD), and catalase (CAT) activities and spermatozoa concentration, motility, and morphology. Increased TBARS levels were observed in the post-thawing semen in both fertile and infertile men. Infertile men had lower CAT and SOD activities in prefreezing and post-thawing samples when compared with fertile men. The addition of resveratrol in all the concentrations assayed was able to prevent post-thawing lipoperoxidation in both fertile and infertile men. However, this effect was not dose dependent. The cryopreservation process was not able to change sperm concentration or morphology. However, a decrease in sperm motility was observed in both the fertile and infertile men. The addition of resveratrol was not able to prevent this effect. Resveratrol avoids oxidative damages induced by the cryopreservation of human semen, but it is not able to restore the decrease in sperm motility.
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