心房动和血管痴呆症之间没有因果遗传关系:双向的门德尔随机化研究
Ya-Fang Gao1,2, Tian-Yu Jin2,3, Yan Chen2
1Department of Cardiology, Zhangzhou Affiliated Hospital of Fujian Medical University, Zhangzhou, China.
Frontiers in cardiovascular medicine
|July 17, 2023
概括
这项研究使用孟德尔的随机化研究了心房 (AF) 和血管痴呆 (VaD) 之间的遗传联系. 结果显示,AF和VaD风险之间没有因果关系,反之亦然.
科学领域:
- 心血管遗传学 心血管遗传学
- 神经学 神经学
- 流行病学 流行病学
背景情况:
- 观察性研究表明,心房动 (AF) 与血管痴呆 (VaD) 风险增加之间存在联系.
- AF和VaD之间的因果遗传关系尚不清楚.
- 门德尔随机化 (MR) 分析用于调查潜在的因果关系.
研究的目的:
- 评估心房 (AF) 对血管痴呆 (VaD) 风险的因果关系.
- 调查血管痴呆症 (VaD) 对心房动 (AF) 风险的潜在因果影响.
主要方法:
- 进行了双向门德尔随机化 (MR) 分析.
- 从大型全基因组关联研究 (GWAS) 中选择了单核酸多态 (SNP).
- 使用了逆方差加权 (IVW),MR-Egger和加权中位数 (WM) 方法,并对变性和异质性进行了敏感性分析.
主要成果:
- 核磁共振分析发现AF和VaD风险之间没有显著的遗传关系 (IVW:OR=1.10,P=0.20).
- 反向方向分析也显示,VAD和AF风险之间没有显著的遗传关系 (IVW:OR = 1.00,P = 0.52).
- 灵敏度分析证实没有显著的水平形或异质性.
结论:
- 这种MR分析不支持心房动和血管痴呆风险之间的因果遗传关系.
- 没有证据表明血管痴呆对心房动风险的因果关系.
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