Journal
ANDROLOGIA
Volume 51, Issue 11, Pages -Publisher
WILEY
DOI: 10.1111/and.13432
Keywords
epigenetics; infertility; oxidative stress; spermatogenesis
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Spermatogenesis is a series of complex events involving a delicate balance between cell proliferation and cell differentiation. Aggregation of chromatins and epigenetic modifications play a vital role in spermatogenesis via regulation of molecular pathways to maintain testicular homeostasis. These epigenetic mechanisms consist of histone modification, chromatin remodelling, DNA methylation and miRNA, etc., which reportedly are critical players in spermatogenesis. One such mechanism involves regulation of oxidative stress in the male reproductive system. The fact that testicular cells contain plenty of unsaturated fatty acids and undergo division at a high rate makes spermatogenic cells highly susceptible to oxidative insult leading to deleterious effect on spermatozoa, which may culminate in infertility in men. Although the correlation between ROS-mediated oxidative stress and epigenetic alterations has been indicated, research in this regard is still in infancy. Further, the fact that environmental and life style factors are critical determinants of spermatogenic potential indicates the importance of epigenetic regulation of key molecular events in spermatogenesis. Therefore, the current review aims to discuss the ROS-induced epigenetic deregulation of the molecular mechanism(s) involved in spermatogenesis.
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