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        검색결과 1

        1.
        2018.11 구독 인증기관·개인회원 무료
        Bisphenol A (BPA), an endocrine-disrupting chemical, has received tremendous attention in the past few decades because of its detrimental health effects. Growing evidence supports that BPA is capable to alter the reproductive performance of the exposed individual. In spermatozoa, it has been reported that BPA increased oxidative stress by the overproduction of reactive oxygen species (ROS), subsequently affects the sperm function, biochemical properties, and fertility. Since antioxidants minimize cellular oxidative stress, therefore may have protective effects against BPA-induced stress. In the present study, we incubated mice spermatozoa for 6 h in a condition that support in vitro fertilization. The sperm incubation media was additionally supplemented with either BPA or BPA together with antioxidants, such as glutathione, vitamin C, and vitamin E. Our results showed that antioxidant significantly decreased the production of ROS that subsequently supports motility and acrosomal integrity of BPA-exposed spermatozoa. Particularly, glutathione and vitamin E inhibit protein kinase-A dependent phosphorylation of sperm proteins subsequently prevented precocious acrosome reaction. In addition, both antioxidants were found to restore fertilization and early embryo development potentiality of BPA-exposed spermatozoa. Therefore, we conclude that antioxidants minimize oxidative stress in spermatozoa in a BPA containing micro-environment, thus avoiding BPA-mediated harmful consequences. The current finding has both theoretical and clinical significance for developing potential remedies of the BPA toxicity.