干果摄入量与功能之间的关联:从单变量和多变量门德尔随机研究中进行的研究
Yuhang Gao1, Xinghai Yue2, Wanchao Zhao3
1The First Clinical College, Liaoning University of Traditional Chinese Medicine, Shenyang, China.
Frontiers in nutrition
|November 7, 2024
概括
干果摄入量与改善功能标志物如BUN,肌素,尿酸和囊素C有因果关系.然而,这种联系在饮酒和吸烟时会减弱,这表明与生活方式因素的复杂相互作用.
科学领域:
- 腎臟病學 (nephrology) 是一種醫學專業.
- 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:
- 观察性研究表明,干果消费与功能之间存在联系.
- 之前研究的局限性包括混因素和反向因果关系.
- 需要一种门德尔的随机化方法来确定因果关系.
研究的目的:
- 调查干果摄入量与功能标志物之间的潜在因果关系.
- 评估干果对血液尿素 (BUN),肌素 (CR),尿酸 (UA) 和囊素C (CysC) 的影响.
主要方法:
- 进行了一项双样本的门德尔随机化 (MR) 研究.
- 全基因组关联研究 (GWAS) 的数据被用于大规模遗传分析.
- 使用逆方差权衡 (IVW),MR-Egger和加权中位数方法进行了可靠的分析.
- 多变量门德尔随机化 (MVMR) 用于调整酒精和吸烟等潜在混因素.
主要成果:
- 增加干果摄入量与较低的BUN,CR,UA和CysC水平有因果关系.
- 没有发现与血或微专尿有显著的关联.
- 在MVMR分析中考虑酒精消费和吸烟后,BUN和CR的因果影响减少了.
- 对UA和CysC的因果作用减弱,但在调整酒精和吸烟后仍然显著.
结论:
- 干果的摄入可能对功能标志物产生有益的因果作用,特别是在没有吸烟和饮酒的情况下.
- 干果摄入量与功能之间观察到的关联受生活方式因素,如酒精和吸烟的影响.
- 这些发现表明一种潜在的饮食策略来控制慢性病的进展.
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