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甲状腺功能低下症和皮肤/多聚质炎:一个双样本的门德尔随机化研究.

Qianqian Li1, Shaoying Yang1, Yan Ma1

  • 1Department of Rheumatology, Ren Ji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China.

Frontiers in endocrinology
|September 19, 2024
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概括

甲状腺功能低下症可能导致皮肤肌炎 (DM) 和多聚肌炎 (PM). 这项研究使用门德尔的随机化来分析遗传数据,发现甲状腺功能低下症和DM和PM风险增加之间存在因果关系.

关键词:
门德尔的随机化皮肤肌肉炎 (dermatomyositis) 是一种疾病.甲状腺功能低下症 甲状腺功能低下症免疫疾病是一种免疫疾病.过多神经炎是一种多神经炎.

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科学领域:

  • 内分泌学 在内分泌学.
  • 类风湿病学 类风湿病学
  • 遗传学 是一个遗传学.

背景情况:

  • 观察性研究表明,甲状腺功能低下症和炎症性肌肉病,如皮肤肌炎 (DM) 和多聚肌炎 (PM) 之间存在联系.
  • 然而,还没有确立因果关系,因此需要对潜在机制进行进一步调查.

研究的目的:

  • 调查甲状腺功能低下症与患上皮肤肌炎 (DM) 或多肌炎 (PM) 的风险之间的潜在因果关系.
  • 使用两个样本的门德尔随机化 (TSMR) 来使用遗传数据评估这种因果关系.

主要方法:

  • 全基因组关联研究 (GWAS) 的甲状腺功能低下症,DM和PM的数据来自IEU开放GWAS项目.
  • 采用双样本孟德尔随机化 (TSMR),与甲状腺功能低下症相关的单核酸多态 (SNP) 作为仪器变量 (IV).
  • 使用了统计模型,包括逆方差加权 (IVW),MR-Egger,加权中位数和加权模式,以及异质性和性质的测试.

主要成果:

  • 在DM (OR2.563,P=0.00156) 和PM (OR1.709,P=0.007) 两方面都发现了甲状腺功能低下的显著积极因果作用.
  • 68个DM的SNP和68个PM的SNP被用作IV.
  • 没有检测到显著的异质性或性,支持发现的有效性.

结论:

  • 门德尔的随机化分析提供了强有力的证据,表明甲状腺功能低下在DM和PM发展中的因果作用.
  • 这些发现凸显了甲状腺激素状态在这些自身免疫性疾病的发病过程中的潜在重要性.
  • 这些结果可以通过考虑甲状腺功能来为DM和PM的未来治疗策略提供信息.