胃食道逆流病和骨质疏松症:双向的门德尔随机化研究
Qinghua Yang1, Longao Huang1, Hongyuan Xu1
1Department of Spine Surgery, The First Affiliated Hospital of Guangxi Medical University, Nanning, China.
Medicine
|April 7, 2025
概括
门德尔随机分析发现,胃食道逆流病 (GERD) 和骨质疏松症 (OP) 的遗传倾向之间没有因果关系. 然而,较高的骨矿物质密度 (BMD) 基因预测了较低的GERD发病率.
科学领域:
- 遗传学 是一个遗传学.
- 流行病学 流行病学
- 胃肠病学 胃肠病学
背景情况:
- 观察性研究表明,骨质疏松症 (OP) 和胃食道逆流症 (GERD) 之间存在关联.
- GERD和OP之间的因果关系仍然不清楚.
- 门德尔随机化 (MR) 可以使用遗传变异来调查因果关系.
研究的目的:
- 用双向,双样本的门德尔随机化分析来确定GERD和OP之间的因果关系.
- 调查GERD的遗传倾向是否影响骨矿物质密度 (BMD).
- 探索 BMD 对 GERD 发病率的潜在因果影响.
主要方法:
- 利用了来自GERD (129,080例,473,524对照) 和BMD (537,750人) 的大型全基因组关联研究的摘要级数据.
- 采用多种MR方法,包括反变量加权 (IVW),MR-Egger回归和MR-PRESSO.
- 通过使用MR-Egger拦截,Cochran Q和留下一个强度的测试进行了灵敏度分析.
主要成果:
- 没有发现对GERD的遗传倾向与减少的BMD或OP之间的显著因果关系.
- 在更高的基因预测BMD和更低的GERD发病率之间观察到显著的因果关系 (例如,TB-BMD:OR=0.941,P<0.001).
- 敏感性分析证实了主要发现,表明GERD在欧洲人口中对骨或OP没有显著的因果作用.
结论:
- 对GERD的遗传倾向不会因果影响骨质疏松症或降低骨矿物质密度.
- 基因预测较高的骨矿物质密度与发展GERD的风险降低有关.
- 这些发现表明,较高的BMD对GERD有潜在的保护作用.
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