饮食习惯与肝癌风险之间的因果关系:一个双样本的门德尔随机化研究
Wen-Hao Hu1, Jia-An Sun1, Chang Liu2
1Department of Emergency, Zhengzhou Central Hospital Affiliated With Zhengzhou University, Henan, Zhengzhou, 450007, China.
Discover oncology
|February 5, 2025
概括
受遗传影响的油性鱼类消费可能会降低肝癌风险. 这项孟德尔的随机化研究发现,其他饮食习惯与肝癌之间没有显著的联系,强调油性鱼作为潜在的保护因素.
科学领域:
- 遗传学和流行病学
- 营养科学 营养科学
- 在瘤学瘤学.
背景情况:
- 肝癌是全球主要的健康问题,死亡率高.
- 人们怀疑饮食习惯会影响肝癌风险,但因果关系尚不清楚.
- 门德尔随机化 (MR) 是一种强大的方法,用于调查暴露和结果之间的因果关系.
研究的目的:
- 为了确定特定的饮食选择是否会对患肝癌的风险产生因果关系.
- 利用遗传数据来探索饮食在肝癌中的病因作用.
主要方法:
- 使用了两个样本的门德尔随机化 (MR) 设计.
- 从英国生物银行提取的饮食暴露数据和来自FinnGen.
- 采用逆方差加权 (IVW) 分析,严格检查异质性和水平变性.
主要成果:
- 基因预测较高的油性鱼类摄入量与肝癌风险降低显著相关 (OR=0.160,P=0.046).
- 没有发现肝癌和其他评估的饮食因素 (例如,水果,蔬菜,非油性鱼,饮料,肉类) 之间存在显著的因果关系.
- 仪表变量显示没有实质性的类效应,支持MR分析的有效性.
结论:
- 研究结果表明,油性鱼类消费对抗肝癌的潜在保护作用.
- 需要进一步的研究来证实这些结果并阐明潜在的机制.
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