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血液代谢物和高血压风险之间的因果关系:孟德尔的随机化研究

Tao Cheng^1,2, Zhangjun Yun², Shaowei Fan¹

¹Department of Cardiological Medicine, China Academy of Chinese Medical Sciences Guang'anmen Hospital, Beijing, China.

Frontiers in cardiovascular medicine

|June 24, 2024

概括

这项研究使用了门德尔的随机化来调查血液代谢物和基本高血压 (EHT) 之间的因果关系. 两种特定的代谢物N-乙诺尼丁和X-12510-2-amininooctanoic acid被发现与降低EHT风险有因果关系.

科学领域:

代谢学代谢学代谢学
遗传学是一个遗传学.
心血管疾病研究研究

背景情况:

观察性研究表明,血液代谢物和高血压之间存在强烈的关联.
然而,特定代谢物和基本高血压 (EHT) 之间的因果关系尚不清楚.

研究的目的:

通过两样本的门德尔随机化 (MR) 方法,研究486种血液代谢物对基本高血压 (EHT) 的潜在因果作用.
为了确定可能影响发展EHT的风险的特定血液代谢物.

主要方法:

两个样本的孟德尔随机化 (MR) 分析利用全基因组关联研究 (GWAS) 数据对486种血液代谢物 (暴露) 和EHT (结果) 的数据.
作为主要分析的逆方差加权 (IVW) 方法,补充了MR-Egger,加权中位数和MR-PRESSO的稳定性.
灵敏度分析包括Cochran Q测试异质性,MR-Egger拦截和MR-PRESSO全球测试水平变性,以及MR-Steiger测试因果关系方向.

主要成果:

核磁共振分析发现了9种与EHT相关的潜在血液代谢物,包括N-乙诺尼丁,X-12510-2-amininooctanoic acid,肌酸和六甲二酸盐.
使用单独的EHT GWAS数据集进行复制证实了N-乙诺尼丁和X-12510-2-aminooctanoic acid的因果关系.
无论是N-乙诺尼丁 (OR=0.987,P=1.01×10−4) 还是X-12510-2-aminooctanoic acid (OR=0.982,P=0.0017) 都显示出与EHT的负相关性,没有发现显著的异质性或性.

结论:

这项MR研究提供了特定血液代谢物和基本高血压之间的因果关系的证据.
N-乙诺尼丁和X-12510-2-氨基诺酸可能在EHT的发展中起着保护作用.
这些发现有助于了解高血压的病理生理学,并可能提供新的治疗点.

关键词:

这是一种N-乙诺尼丁.有关因果关系的因果关系基本高血压是什么意思门德尔的随机化是门德尔的随机化代谢产物的代谢产物

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