期刊
FRONTIERS IN CELL AND DEVELOPMENTAL BIOLOGY
卷 9, 期 -, 页码 -出版社
FRONTIERS MEDIA SA
DOI: 10.3389/fcell.2021.689624
关键词
DNA methylation; sperm DNA; male infertility; imprinting; infertility; epigenomics; sperm; imprinted genes
资金
- University of Ferrara, Fondo di Ateneo per la Ricerca (FAR)
Research has shown a correlation between sperm DNA methylation and male infertility, with various genes displaying differential methylation patterns in impaired spermatogenesis and reproductive dysfunction. Specifically, DNA methylation defects in MEST and H19 within imprinted genes, as well as MTHFR within non-imprinted genes, have been linked to male infertility. Further studies are needed to better understand the mechanisms affecting methylation in sperm and its impact on male infertility.
In recent years, a number of studies focused on the role of epigenetics, including DNA methylation, in spermatogenesis and male infertility. We aimed to provide an overview of the knowledge concerning the gene and genome methylation and its regulation during spermatogenesis, specifically in the context of male infertility etiopathogenesis. Overall, the findings support the hypothesis that sperm DNA methylation is associated with sperm alterations and infertility. Several genes have been found to be differentially methylated in relation to impaired spermatogenesis and/or reproductive dysfunction. Particularly, DNA methylation defects of MEST and H19 within imprinted genes and MTHFR within non-imprinted genes have been repeatedly linked with male infertility. A deep knowledge of sperm DNA methylation status in association with reduced reproductive potential could improve the development of novel diagnostic tools for this disease. Further studies are needed to better elucidate the mechanisms affecting methylation in sperm and their impact on male infertility.
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