基因确定BCAA水平对心血管疾病及其风险因素的影响:孟德尔的随机化研究
Zheng Zuo1, Yi Tong1, Minghua Li1
1Cardiovascular Medicine Department, Cardiology Center, First Hospital of Jilin University, Changchun, Jilin Province, China.
Nutrition, metabolism, and cardiovascular diseases : NMCD
|October 3, 2023
概括
基因决定的分支链氨基酸 (BCAA) 水平与高血压风险增加有关. 这项门德尔的随机化研究发现,对其他心血管疾病没有因果关系,突出了与高血压的特定关联.
科学领域:
- 遗传学 是一个遗传学.
- 代谢健康 代谢健康
- 心血管流行病学心血管流行病学
背景情况:
- 观察性研究表明,血清分支链氨基酸 (BCAA) 与心血管疾病 (CVD) 风险之间存在联系.
- 由于BCAA和CVD之间的因果关系尚不清楚.
研究的目的:
- 研究基因确定BCAA水平对心血管疾病及其危险因素的因果关系.
- 使用门德尔随机化 (MR) 来评估因果关系.
主要方法:
- 进行了单变量和多变量门德尔随机化分析.
- 使用来自多个全基因组关联研究 (GWAS) 和FinnGen联盟的总结级数据.
- 采用随机效应IVW和固定效应模型进行可靠的分析.
主要成果:
- 基因决定的BCAA总和个体水平与高血压的更高风险有关.
- 在BCAA水平和三个特定的心血管疾病或其他风险因素之间没有发现因果关系的证据.
- 患高血压的几率在BCAA总水平每增加1个SD时增加 (OR=1.02,P=0.005),氨酸 (OR=1.02,P<0.0001),白氨酸 (OR=1.02,P<0.01),和异氨酸 (OR=1.02,P<0.0001).
结论:
- 总和个体BCAA水平可能与高血压风险增加有关.
- 这项门德尔随机化研究提供了证据,证明BCAA与高血压之间存在潜在的因果关系.
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