干果摄入量与骨关节炎风险之间的因果关系:孟德尔的随机化研究
Ruiming Liang1, Weixing Zhong, Shuaidi Ze
1School of Traditional Chinese Medicine, Southern Medical University, Guangzhou, China.
Medicine
|April 5, 2024
概括
干果的消费可能会降低骨关节炎 (OA) 的风险. 这项门德尔的随机化研究发现,食用干果和患风的可能性较低之间存在潜在的因果关系.
科学领域:
- 营养流行病学 营养流行病学
- 遗传流行病学遗传流行病学
背景情况:
- 骨关节炎 (OA) 是一种常见的退行性关节疾病,具有重大公共卫生影响.
- 饮食因素越来越多地被认为是它们在OA病原和进展中的潜在作用.
- 干果摄入量对瘤风险的具体影响仍未得到充分研究.
研究的目的:
- 调查干果消费与患骨关节炎 (OA) 的风险之间的潜在因果关系.
- 利用遗传变异作为工具变量来进行强大的因果推断分析.
主要方法:
- 进行了对两个样本的门德尔随机化 (MR) 分析.
- 使用了全基因组关联研究 (GWAS) 对干果摄入量 (n=421,764) 和OA (n=484,598) 的总结统计数据.
- 使用逆变量加权 (IVW),加权中位数 (WM) 和MR-Egger回归方法来评估因果关系.
主要成果:
- 反变量加权 (IVW) 方法表明,干果摄入量与OA之间存在因果关系 (P=0.039).
- 权重中位数 (WM) 方法也表明了因果关系,干果摄入量与OA风险降低有关 (P=0.026).
- 通过MR-Egger回归,没有发现方向形 (P=0.984) 的证据,但也没有支持因果关系 (P=0.610).
- 科克兰的Q测试表明异质性,但I2统计表明低水平.
结论:
- 门德尔随机分析提供了证据,支持干果摄入量与骨关节炎风险降低之间的潜在因果关系.
- 可能需要进一步的研究来证实这些发现并阐明潜在的生物机制.
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