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血液代谢物和代谢途径对外围动脉样硬化的因果关系:孟德尔的随机化研究
Qian Ye1, Yilin Zhou2, Kai Xu1
1Department of Clinical Laboratory, Wenzhou People's Hospital, The Third Affiliated Hospital of Shanghai University, The Third Clinical Institute Affiliated to Wenzhou Medical University, Wenzhou, Zhejiang, China.
Frontiers in nutrition
|September 19, 2024
概括
这项研究确定了八种与外周动脉样硬化有因果关系的血液代谢物,为疾病查和预防策略提供了新的途径. 这些发现推动了我们对动脉样硬化机制的理解.
科学领域:
- 心血管研究研究心血管研究
- 代谢学 代谢学 代谢学
- 遗传流行病学遗传流行病学
背景情况:
- 周围动脉样硬化涉及心脏和大脑外的动脉样硬化,生物机制不完全理解.
- 了解血液代谢物和外周动脉硬化之间的因果关系对于开发有效的干预措施至关重要.
研究的目的:
- 研究各种血液代谢物与外周动脉硬化发展之间的因果关系.
- 确定在外周动脉样硬化病变发生过程中起因作用的特定代谢物.
主要方法:
- 采用孟德尔的随机化 (MR) 分析,利用全基因组关联研究 (GWAS) 数据对1400种代谢物作为暴露和两个GWAS数据集用于外周动脉样硬化作为结果.
- 反变量加权 (IVW) 方法是主要的分析方法,补充了MR-Egger,简单模式,加权中位数和稳定性加权模式.
- 敏感性分析包括科克兰Q测试,MR-Egger拦截测试,漏斗图,MR-Pleiotropy RESidual Sum和Outlier (MR-PRESSO) 等. 用MetaboAnalyst 5.0.0.进行了评估,以评估代谢途径的丰富性.
主要成果:
- 八种血液代谢物显示出与外周动脉硬化有显著的因果关系.
- 关键的代谢物包括1-myristoyl-2-arachidonoyl-GPC,1-palmitoyl-2-arachidonoyl-gpc,1-(1-enyl-stearoyl)-2-arachidonoyl-GPE,1-palmitoyl-2-dihomo-linolenoyl-GPC,Gamma-glutamylleucine,Desoxycholic acid glucuronide,以及两种新型标识剂 (X-24546,X-26111).这些代谢物中含有甲基因.
- 确定了涉及到外围动脉样硬化五个重要的代谢途径.
结论:
- 这项MR研究确立了特定血液代谢物和外周动脉硬化之间的因果关系.
- 鉴定到的代谢物为未来对外围动脉样硬化的查和预防策略提供了新的标.
- 这些发现有助于更深入地了解周围动脉样硬化的代谢基础.
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