双向的双样本门德尔随机化分析确定了主要抑郁症和过敏性疾病之间的因果关系
Qi Zhang1, Ya-Kui Mou2, Jia-Jia Yun3
1Department of Psychiatry, First Clinical College, Xuzhou Medical University.
概括
重度抑郁症 (MDD) 可能因果性地增加过敏性鼻炎 (AR) 和过敏性喘 (AAS) 的风险. 这项门德尔随机化研究没有发现MDD导致亚托皮肤炎或过敏性疾病导致MDD的证据.
科学领域:
- 遗传学和精神病学 遗传学和精神病学
- 流行病学 流行病学
- 免疫学 免疫学 免疫学
背景情况:
- 大型抑郁症 (MDD) 和过敏性疾病 (ADs) 之间的关联已被注意到,但缺乏确的因果证据.
- 双向的双样本门德尔随机化 (MR) 用于调查潜在的因果关系.
研究的目的:
- 使用MR检测MDD和ADs之间的因果关系.
- 为了确定MDD的遗传易感性是否会影响患过敏性喘 (AAS),过敏性鼻炎 (AR) 和亚托皮炎的风险.
- 评估ADs是否因果关系影响MDD风险.
主要方法:
- 对MDD的总结统计数据是从精神病基因组学联盟获得的.
- 针对AAS,AR和亚托皮性皮肤炎的单核酸多态 (SNPs) 从FinnGen联盟提取.
- 逆方差加权 (IVW) 方法是主要的分析工具,其补充了其他MR方法和对异质性和水平变性敏感性分析. 还进行了反向MRI.
主要成果:
- 在MDD和AR风险增加之间发现了名义上显著的关联 (OR=1.191,p=0.042).
- 在移除异常值后,确定了MDD和AAS (OR=1.418,p=0.000022) 的遗传敏感性之间的因果关系,结果通过了敏感性测试.
- 没有发现MDD对亚托皮性皮肤炎的因果关系 (OR=1.049,p=0.53).
- 反向MR分析没有支持ADs与MDD的因果关系.
结论:
- 这项研究表明,MDD与AR风险增加之间存在名义上显著的因果关系.
- 表明MDD和AAS之间存在特定的因果关系.
- 这些发现需要进一步验证.
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