表观遗传年龄加速与中风的因果关系及其功能结果:一个双样本,双阶段的门德尔随机化研究
Baizhi Qiu1,2, Shuyang Wen1,2, Zifan Li1
1Department of Rehabilitation Medicine, Zhujiang Hospital, Southern Medical University, Guangzhou, China.
Brain and behavior
|March 19, 2025
概括
表观遗传加快年龄,特别是PhenoAge,因果上增加了小血管中风 (SVS) 的风险. 针对表观遗传衰老的生活方式干预可以减少中风的发生率.
科学领域:
- 遗传学 遗传学 是一个
- 表观遗传学 在表观遗传学中,表观遗传学是指表观遗传学.
- 流行病学 流行病学
背景情况:
- 观察性研究表明,表观遗传衰老加速与中风发病率增加和较差的结果有关.
- 这些关联中的因果关系和混因素需要严格调查.
- 表观遗传年龄可以作为中风风险的预测生物标志物.
研究的目的:
- 研究表观遗传年龄对中风发生率和功能结果的因果关系.
- 探索表观遗传年龄在生活方式因素和中风之间关系中的调解作用.
- 为了验证表观遗传年龄作为中风预测的生物标志物.
主要方法:
- 使用双样本的门德尔随机化 (MR) 分析来评估因果关系.
- 两步MR分析研究了生活方式因素,表观遗传年龄和中风之间的调解途径.
- 来自元分析和联盟 (MEGASTROKE,GISCOME) 的大型遗传数据集被利用.
主要成果:
- 芬诺Age与小血管中风 (SVS) 的风险增加存在因果关系.
- 吸烟开始的SVS风险部分由PhenoAge (9.5%的调解) 调解.
- 在表观遗传年龄和中风功能结果之间没有发现因果关系.
结论:
- 表观遗传年龄,特别是PhenoAge,是预测中风发生的有效生物标志物.
- 减缓表观遗传衰老的干预措施,包括改变生活方式,是减轻中风风险的有希望的策略.
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