饮食摄入量和IgA脏病之间的因果关系:孟德尔的随机化研究
Yaping Li1, Shengli Wan1, Jing Liu2
1Department of Pharmacy, The Affiliated Hospital, Southwest Medical University, Luzhou, China.
Frontiers in nutrition
|September 17, 2024
概括
这项研究使用了门德尔的随机化来研究饮食和IgA脏病 (IgAN). 增加酒精摄入频率是危险因素,而奶酪,谷物和寿司摄入量对IgAN有保护作用.
科学领域:
- 腎臟病學 (nephrology) 是一種醫學.
- 遗传流行病学遗传流行病学
- 营养科学 营养科学
背景情况:
- 饮食因素与免疫球蛋白A脏病 (IgAN) 有关.
- 饮食和IgAN之间的因果关系尚不清楚.
- 全基因组关联研究 (GWAS) 的数据提供了对遗传倾向的见解.
研究的目的:
- 为了确定26种饮食暴露和IGAN之间的因果关系.
- 为了利用孟德尔随机化 (MR) 进行强大的因果推理.
- 为了确定影响IGAN风险的特定饮食成分.
主要方法:
- 使用公开可用的GWAS数据进行双样本门德尔随机化 (MR) 分析.
- 采用逆方差加权 (IVW),MR-Egger回归和加权中位数方法.
- 通过MR-Egger拦截和MR-PRESSO测试评估横向形,并使用科克兰的Q统计数据评估仪器异质性.
主要成果:
- 酒精摄入频率显示出因果关系作为Igan的危险因素 (OR = 1.267,P = 0.001).
- 奶酪摄入量 (OR = 0.626,P = 0.0001),谷物摄入量 (OR = 0.652,P = 0.033) 和寿司摄入量 (OR = 0.145,P = 0.049) 被确定为保护因素.
- 对于其他饮食暴露,没有发现显著的因果关系.
结论:
- 遗传证据表明,饮酒频率会增加IGAN的风险.
- 消费奶酪,谷物和寿司可能会降低患IgAN的风险.
- 需要进一步的研究来验证Igan中的这些饮食关联.
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