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甲状腺功能和精神分裂症之间的因果关系:一个双样本的门德尔随机化研究
Dennis Freuer1, Christa Meisinger2
1Epidemiology, Medical Faculty, University of Augsburg, Augsburg, Germany. dennis.freuer@med.uni-augsburg.de.
European journal of epidemiology
|August 17, 2023
概括
以高甲状腺刺激激素 (TSH) 为特征的甲状腺功能低下症的遗传责任与精神分裂症风险相反相关. 这表明更高的TSH水平可能会降低患精神分裂症的可能性.
科学领域:
- 精神病学是一个精神病学.
- 内分泌学 在内分泌学.
- 遗传学 是一个遗传学.
背景情况:
- 精神分裂症是一种复杂的精神疾病,具有重大社会影响.
- 在精神分裂症患者中观察到甲状腺功能的改变,但现有研究提出了相互矛盾的结果.
- 甲状腺功能和精神分裂症之间的因果关系尚不清楚.
研究的目的:
- 通过双向门德尔随机化研究,研究甲状腺功能和精神分裂症之间的潜在因果关系.
- 为了确定甲状腺功能是否影响精神分裂症风险或相反.
主要方法:
- 一项双向的双样本孟德尔随机化 (MR) 研究使用全基因组关联研究 (GWAS) 总结统计数据从多达330,132名欧洲人进行.
- 甲状腺功能通过正常范围的甲状腺刺激激素 (TSH),自由甲状腺素水平和TSH状态 (增加/减少) 来评估.
- 主要分析采用了代的辐射反变量加权方法,使用类强度方法和网络分析进行稳定性检查.
主要成果:
- 对甲状腺功能低下症 (提升的TSH) 的遗传责任与精神分裂症风险有显著的反向关联 ([公式:参见文本];95% CI: -0.10至-0.02).
- 在其他甲状腺参数 (自由甲状腺素,降低TSH) 和精神分裂症之间没有发现显著的关联.
- 没有证据表明精神分裂症对甲状腺功能的因果关系.
结论:
- 甲状腺刺激激素 (TSH) 水平升高与精神分裂症风险降低有关.
- 甲状腺功能,特别是TSH调节,可能在精神分裂症的病理生理学中发挥作用.
- 对精神分裂症发展中的下丘脑-垂体-甲状腺轴的进一步研究是有必要的.
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