发育医学电子杂志 2022, Vol. 10 Issue (3): 228-234 DOI: 10.3969/j.issn.2095-5340.2022.03.012
生殖胚胎
综述
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精子DNA 异常甲基化与男性不育症关系 的研究进展
张耀东 颜宏利
1. 海军第九七一医院 检验科,山东 青岛 266071;2. 海军 军医大学第一附属医院 生殖医学中心,上海 200433
Research progress on the relationship between abnormal sperm DNA methylation and male infertility
Zhang Yaodong, Yan Hongli
摘要 男性不育症受到遗传、生理、病理等自身和环 境多种因素的影响,是一种复杂的生殖系统疾病。 据2015 年统计数据显示,在不孕夫妻中男性因素 占20%~70%[1] 。男性不育症是一种异质性疾病, 由多基因变异和相互作用引起,特发性不育症与精 子DNA 或部分基因的异常甲基化有关[2] 。Santi 等[3] 进行的Meta 分析表明,男性生育能力低下与 精子DNA 甲基化异常之间存在关系,印迹基因特 别是与生殖相关基因的异常甲基化可能是导致特 发性不育症的原因,并在不育组中发现H19 基因甲 基化水平显著降低,而MEST 和SNRPN 基因甲基 化水平显著升高。此外,不育症与非印迹基因异常 甲基化之间的关联也被发现[4-6] 。因此精子DNA
甲基化作为一种无创、有价值的男性不育症诊断评 估指标,具有较高的应用价值,为发现不育症病因
的分子生物学机制奠定了基础。本文通过多项与 基因异常甲基化造成精子成熟障碍或功能缺陷有 关的报道,总结精子DNA 甲基化过程在男性不育 症中的作用,就精子DNA 异常甲基化对男性不育 症的影响进行讨论。
关键词:
男性不育症
生殖
精子DNA
收稿日期: 2022-01-26
发布日期: 2022-05-31
基金资助: 国家重点研发计划(2018YFC1005002);军队计生专项(18JS003)
通讯作者:
颜宏利
E-mail: hongliyan@smmu.edu.cn
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