血清总白血素和胆病之间的因果关系:双向的双样本孟德尔随机化研究
Yang Sun1, Shaojie Yang1, Wanlin Dai2
1Biliary Surgery (2nd General) Unit, Department of General Surgery, Shengjing Hospital of China Medical University, Shenyang, Liaoning, China.
Frontiers in endocrinology
|July 20, 2023
概括
这项研究使用了门德尔的随机化来证实血清总胆红素水平较高与胆结石 (胆结石) 风险增加之间的因果关系. 它还表明,胆结石可以导致胆红素水平更高.
科学领域:
- 遗传学 遗传学 是一个
- 肝病学 肝病学是一种肝病学.
- 胃肠病学 胃肠病学
背景情况:
- 对血清总胆红素和胆病的观察性研究产生了不一致的结果.
- 血清总胆红素和胆病之间的因果关系需要进一步调查.
研究的目的:
- 通过双向双样本的门德尔随机化 (MR) 研究,研究血清总胆红素和胆病之间的因果关系.
- 为了确定血清总白血素是否因果关系影响胆病风险,反之亦然.
主要方法:
- 在双向两样 MR 设计中,利用单核酸多态 (SNP) 作为仪器变量.
- 采用逆变量加权 (IVW) 作为主要分析,并补充了MR-Egger,加权中位数,加权模式,以及MR-PRESSO用于稳定性和变性评估.
主要成果:
- 血清总白血素因果关系与胆病风险增加有关 (β = 0.10;95% CI,0.07至0.14;p < 0.001).
- 还发现胆病与血清总胆红素水平的增加有因果关系 (β = 0.12;95% CI,0.09至0.15;p < 0.001).
- 灵敏度分析证实了这些双向因果关联,并表明潜在类型的最小影响.
结论:
- 血清总白血素对发展胆固醇病的风险具有因果关系.
- 有一个相互的因果关系,在这种情况下,胆病也会影响血清总胆素水平.
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