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评估饮食维生素摄入量与淋巴瘤风险之间的因果关系:孟德尔的随机化研究

Mingming Zhou^1,2, Junfen Xia³, Xiaolin Chen⁴

¹Department of Epidemiology and Statistics, College of Public Health, Zhengzhou University, Zhengzhou, China.

International journal of food sciences and nutrition

|November 7, 2023

概括

更高的维生素B12摄入量可能会降低霍奇金淋巴瘤的风险. 这项门德尔随机化研究发现,其他饮食维生素与霍奇金或非霍奇金淋巴瘤风险之间没有因果关系.

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
在瘤学瘤学.

背景情况:

对食维生素和淋巴瘤风险的观察性研究产生了不一致的结果.
确定因果关系对于理解饮食在淋巴瘤发展中的作用至关重要.

研究的目的:

研究基因预测的特定维生素的饮食摄入量与霍奇金淋巴瘤 (HL) 和非霍奇金淋巴瘤 (NHL) 的风险之间的因果关系.
评估食中的视网醇,维生素C,维生素E,维生素B6和维生素B12对淋巴瘤风险的影响.

主要方法:

采用了一种门德尔的随机化 (MR) 研究设计.
利用遗传变异作为饮食维生素摄入量的工具变量.
使用逆方差加权 (IVW),MR-Egger回归和加权中位数方法来估计因果关系.
进行了灵敏度分析,包括异质性和质性评估 (Q测试,MR-Egger拦截,留出一个分析).

主要成果:

基因预测较高的饮食维生素B12摄入量与霍奇金淋巴瘤风险降低显著相关 (OR = 0.22,p = 0.036).
没有发现显著的异质性或性,支持维生素B12发现的有效性.
在饮食中摄入的视网醇,维生素C,维生素E或维生素B6与HL或NHL风险之间没有观察到统计学上显著的因果关系.

结论:

饮食维生素B12的摄入可能对霍奇金淋巴瘤有保护作用.
这项研究提供了支持维生素B12在HL病因学中的潜在因果作用的证据.
没有发现其他评估的饮食维生素摄入量与HL或NHL风险之间的因果关系.

关键词:

霍奇金淋巴瘤是一种霍奇金淋巴瘤.门德尔的随机化非霍奇金淋巴瘤非霍奇金淋巴瘤因果关系影响因果关系影响.这是一种食维生素维生素.

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