血清维生素D水平与尿病的因果关系:双向的双样本孟德尔随机化研究
Qi-Feng Zhang1,2, He-Zhen Zhang3, Sheng Wang4
1Department of Andrology, Guilin People's Hospital, Guilin, 541002, China. lanwind@163.com.
European journal of nutrition
|November 30, 2024
概括
这项研究发现,维生素D水平与尿病之间没有因果关系. 然而,结石可能与较低的维生素D水平有关,这表明潜在的反向关系.
科学领域:
- 遗传学 是一个遗传学.
- 代谢疾病 代谢疾病
- 流行病学 流行病学
背景情况:
- 观察性研究表明,血清维生素D和尿病之间存在不一致的相关性.
- 研究遗传因果关系对于理解这种关系至关重要.
研究的目的:
- 为了调查基因组范围内的血清中基因预测的25(OH) D水平与尿病之间的因果关系.
- 用孟德尔随机化来澄清维生素D在结石形成中的作用.
主要方法:
- 利用全基因组关联研究 (GWAS) 对血清维生素D和尿病的总结统计.
- 采用双向双样本门德尔随机化 (MR) 分析,包括IVW,MR-Egger和加权中位数方法.
- 进行了敏感性分析 (科克兰的Q,MR-Egger拦截,留出一个,MR-PRESSO) 以确保稳定性.
主要成果:
- 血清25(OH) D水平对尿病 (脏/尿道结石OR=1.134,p=0.155;下泌尿道结石OR=1.158,p=0.428) 没有显著的因果作用.
- 基因预测结石和尿路结石与血清25(OH) D水平降低有关 (β=-0.025,p=0.028).
- 没有观察到下尿路结石对血清25(OH) D水平的因果关系 (β=-0.002,p=0.662).
结论:
- 该研究没有证据表明血清25(OH) D水平与欧洲血统人士的尿病之间存在因果关系.
- 结石和尿路结石与血清25(OH) D水平之间存在潜在的负面因果关系.
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