可修改的生活方式和出生特征对骨髓缩风险的因果推断:双向的双样本孟德尔随机化研究
Binbin Xu1, Yanni Hu2, Ziguang Wu1
1Zhongshan Hospital of Traditional Chinese Medicine Affiliated to Guangzhou University of Traditional Chinese Medicine, Zhongshan, Guangdong Province, China.
Medicine
|October 25, 2025
概括
更多的葡萄,谷物,体力活动和出生体重的摄入量可能会降低骨硬化 (ON) 的风险. 这些因素,以及饮水量,显示出对这种渐进性骨疾病的保护作用.
科学领域:
- 遗传学和流行病学
- 骨质新陈代谢和疾病
- 公共卫生和预防医学
背景情况:
- 骨髓缩 (ON) 是一种使人虚弱的骨疾病,与骨 perfusion 和细胞活力受损有关.
- 确定的ON风险因素包括皮质类固醇使用和酒精摄入,但可修改的生活方式和发育因素的影响仍然不清楚.
研究的目的:
- 调查特定的生活方式行为 (葡萄,谷物,饮水量,体力活动) 和早期发育特征 (出生体重,出生长度) 与骨髓缩 (ON) 风险之间的因果关系.
- 采用双向的双样本孟德尔随机化 (MR) 方法来评估这些因果关系.
主要方法:
- 一个双向的双样本孟德尔随机化 (MR) 研究,利用来自大型全基因组关联研究的总结级遗传数据.
- 主要分析使用了反变量加权方法,使用MR-Egger和加权中位数方法来确定灵敏度.
- 错误发现率 (FDR) 校正被应用用于多次测试.
主要成果:
- 基因预测的葡萄 (OR=0.16),谷物 (OR=0.18),体力活动幅度 (OR=0.13) 和出生体重 (OR=0.56) 的较高摄入量显著与降低ON风险相关.
- 水摄入量显示出与ON风险 (OR=0.19) 有一个暗示性的反向关联.
- 出生的长度与ON风险没有显著关联 (OR=0.67).
结论:
- 基于遗传证据,饮食模式 (葡萄和谷物摄入量),体力活动和出生体重成为预防骨硬化 (ON) 的重要保护因素.
- 反向MR分析支持从这些因素到ON敏感性的单向因果途径,而不是反之.
- 这些发现突出了潜在的可修改的风险因素和早期生活特征,用于ON预防策略和未来研究.
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