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从甲状腺功能低下症到冠状动脉心脏病:解开脂质谱链接:孟德尔的随机化研究

Jinjian Li¹, Siyu Long¹, Boyuan Liu¹

¹Department of Endocrinology, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong Province 510080, China.

Journal of the Endocrine Society

|August 13, 2025

概括

甲状腺功能低下症因果性地增加了冠状动脉心脏病 (CHD) 的风险,由改变的高密度脂蛋白胆固醇 (HDL-C) 和无脂蛋白AI水平介导. 监测甲状腺功能低下患者的脂质对于预防心血管疾病至关重要.

科学领域:

内分泌学和心脏病学.
遗传流行病学遗传流行病学
代谢障碍代谢障碍代谢障碍

背景情况:

甲状腺功能低下症和冠心病 (CHD) 之间的关系仍在争论中,特别是关于其对脂质代谢的影响.
了解因果途径对于有效的预防和治疗策略至关重要对于低甲状腺症患者的心血管疾病.

研究的目的:

研究甲状腺功能低下症对心血管疾病发展的因果关系.
检查脂质样本的潜在调解作用,包括高密度脂蛋白胆固醇 (HDL-C) 和无脂蛋白AI,在这种关系中.

主要方法:

利用孟德尔随机化 (MR) 与来自500,000名欧洲祖先参与者的全基因组关联研究数据 (FinnGen和英国生物银行).
采用双向MR进行因果关系评估,以逆方差加权 (IVW) 方法作为主要分析.
使用加权中位数,MR-Egger和MR-Pleiotropy残余和异常值 (MR-PRESSO) 进行了敏感性分析,以确保调查结果的可靠性.

主要成果:

基因预测的甲状腺功能低下症与心脏病风险显著增加有关 (OR = 1.078,P = .003).
甲状腺功能低下症与高密度脂蛋白胆固醇 (HDL-C) (β = -0.013,P = .005) 和无脂蛋白AI水平 (β = -0.014,P = .008) 有相反的关联.
较低的HDL-C (OR = 0.734,P < .001) 和无脂蛋白A-I (OR = 0.845,P < .001) 独立地与心脏病风险增加有关.

结论:

确立了甲状腺功能低下症和心脏病风险升高之间的因果关系,由HDL-C和阿波利波蛋白AI的失调调节介导.
强调在患有甲状腺功能低下症的患者中监测脂质配置文件的临床重要性.
建议进一步研究这些机制性途径,以改善心血管疾病管理.

关键词:

门德尔的随机化这种因果关系是因果关系.冠心病是一种冠心病.甲状腺功能低下症甲状腺功能低下症脂质特征脂质特征脂质特征

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