2型糖尿病和抑郁症之间的双向关系的证据; 孟德尔的随机化研究
Renu Bala1, Dale Handley2, Alexandra Gillett2
1Department of Clinical and Biomedical Sciences, Faculty of Health and Life Sciences, University of Exeter, Exeter, UK.
Molecular psychiatry
|July 2, 2025
概括
大型抑郁症 (MDD) 和2型糖尿病 (T2D) 具有双向的因果关系. MDD增加了T2D风险和胰岛素耐药性,而T2D预测了MDD和耐治疗抑郁症,肥胖症起到了关键作用.
科学领域:
- 遗传学和流行病学
- 代谢和精神疾病 代谢和精神疾病
背景情况:
- 重度抑郁症 (MDD) 和2型糖尿病 (T2D) 是普遍存在的全球健康问题,具有显著的同时发生.
- 了解MDD和T2D之间的因果关系对于公共卫生和临床干预至关重要.
研究的目的:
- 使用孟德尔随机化 (MR) 调查MDD和T2D之间的双向因果关系.
- 为了检查MDD和非糖尿病人的血糖生物标志物之间的关联.
- 评估T2D在耐治疗抑郁症 (TRD) 中的作用以及身体质量指数 (BMI) 对MDD-T2D联系的影响.
主要方法:
- 孟德尔随机化 (MR) 分析利用全基因组关联研究 (GWAS) 总结统计和英国生物库 (UKB) 个人级数据.
- 多变量MR (MVMR) 用于调查BMI在MDD-T2D关联中的调解作用.
- 分析包括评估MDD对血糖生物标志物的影响 (例如,TG:HDL-C比率,禁食葡萄糖) 和T2D对TRD的影响.
主要成果:
- 在MDD和T2D之间发现了显著的双向因果关系.
- 增加MDD的遗传责任与T2D的更高几率有关 (OR:1.14),T2D遗传责任与MDD的更高几率有关 (OR:1.02).
- 发现T2D可以预测MDD和TRD,肥胖和身体脂肪途径调解T2D与MDD的关系. 在非糖尿病患者中,MDD遗传责任与较高的TG:HDL-C比率相关.
结论:
- 证据支持MDD和T2D之间的双向因果关系,MDD强烈预测胰岛素抵抗和T2D.
- T2D是MDD和TRD的预测因素,强调了代谢健康在精神疾病中的重要性.
- 肥胖和相关的代谢途径在T2D到MDD的因果途径中发挥着重要作用.
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