饮食因素与口腔粘膜病变之间的因果关系:双样本孟德尔随机化分析
Siqi Jiang1, Yi Liu2, Jing Lei1
1Department of Stomatology, Taikang Tongji (Wuhan) Hospital, Wuhan, Hubei Province, P.R. China.
Medicine
|September 9, 2025
概括
干水果的摄入可能会降低复发性口腔口炎 (RAS) 的风险,而非油性鱼的摄入可能会降低口腔平坦 (OLP) 的风险. 这些发现支持口腔粘膜病变 (OML) 的饮食指南.
科学领域:
- 遗传学和流行病学
- 营养科学 营养科学
- 口腔医学是指口腔医学.
背景情况:
- 以前的研究表明饮食影响口腔粘膜病变 (OML),但研究往往缺乏强大的方法.
- 在先前的研究中,有限的样本大小和混因素需要进一步调查与OMLs的因果饮食联系.
研究的目的:
- 调查13种饮食因素和三种常见的OML之间的因果关系:复发性口腔口腔炎 (RAS),口腔平坦 (OLP) 和口腔白血病 (OLK).
- 利用大规模的遗传数据,对饮食-OML关联进行更可靠的评估,最大限度地减少偏差.
主要方法:
- 利用两个样本的门德尔随机化 (MR) 分析与公开可用的全基因组关联研究 (GWAS) 总结统计数据.
- 采用逆方差加权 (IVW) 作为主要方法,使用MR-Egger,加权中位数和其他方法进行验证.
- 进行了灵敏度分析 (MR-Egger拦截,留出一个,MR-PRESSO) 和FDR校正,以确保结果的有效性,并考虑多次测试.
主要成果:
- 在干果摄入量与RAS风险 (OR=0.281,P-FDR=0.004) 之间发现了显著的反向因果关系.
- 非油性鱼类摄入量与OLP风险有显著的反向因果关系 (OR=0.072,P-FDR=0.026).
- 没有检测到水平形或异质性的证据,支持发现的有效性.
结论:
- 干燥水果的消费可能会对RAS有保护作用.
- 增加非油性鱼类的摄入量可能会降低OLP的风险.
- 这些发现为旨在预防和管理OMLs的特定饮食建议提供了更有力的证据.
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