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肠道微生物群和男性生育能力:一个双样本的门德尔随机化研究
1Department of Reproductive Center, The First Hospital of Shanxi Medical University, Taiyuan, China.
Medicine
|February 24, 2025
概括
这项研究使用了门德尔的随机化来研究肠道细菌和男性生育能力之间的因果关系. 减少Ruminiclostridm6和Prevotella9与男性不孕症和异常精子有关,分别.
科学领域:
- 微生物学 微生物学
- 遗传学 遗传学 是一个
- 生殖健康 生殖健康
背景情况:
- 肠道微生物组合的变化与男性生育能力有关.
- 建立肠道微生物群和男性生育能力之间的因果关系仍然具有挑战性.
研究的目的:
- 用孟德尔随机化 (MR) 评估肠道微生物群对男性生育能力的因果关系.
- 确定与男性不育,异常精子和勃起功能障碍因果相关的特定细菌种群.
主要方法:
- 分析了211种肠道细菌种群和男性生育特征的全基因组关联研究 (GWAS) 总结统计数据.
- 使用两样MR分析,包括IVW,加权中位数,MR-Egger和MR-PRESSO方法.
- 为了确保结果的稳定性,进行了敏感性分析 (Cochran的Q测试,MR-Egger拦截,离开一个,漏斗图).
主要成果:
- 在三种细菌属和男性生育能力之间确定了因果关系.
- 减少鲁米尼克洛斯特m6的丰度与男性不孕症的风险增加有关 (OR=0.537).
- 减少的Prevotella9与异常的精子有关 (OR=0.670),而LachnospiraceaeNC2004组与勃起功能障碍有关 (OR=1.173).
结论:
- 这项研究表明,Ruminiclostridm6,Prevotella9和Lachnospiraceae NC2004组在男性生育方面起着因果作用.
- 这些发现为影响男性生殖健康的肠道微生物介导机制提供了新的见解.
- 需要进一步的研究来阐明这些细菌的作用背后的具体机制.
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