乳制品和酒精消费与严重抑郁症之间的关联在孟德尔随机化研究中
Dan Qiu1, Renjie Song1, Xuejing Cao1
1School of Mathematical and Information Science, Shaoxing University, Shaoxing, 312000, China.
Scientific reports
|November 20, 2024
概括
这项研究使用了门德尔的随机化来将饮食和严重抑郁症 (MDD) 联系起来. 吃奶酪和干水果可能会降低MDD风险,而喝酒和烈酒可能会增加MDD风险.
科学领域:
- 营养精神病学 营养精神病学
- 遗传流行病学遗传流行病学
- 心理健康研究 心理健康研究
背景情况:
- 重度抑郁症 (MDD) 是一个重要的全球健康问题.
- 人们越来越认识到饮食因素对心理健康的潜在作用.
- 了解特定食物和MDD之间的因果关系对于预防策略至关重要.
研究的目的:
- 调查各种食物和酒精消费表型对重大抑郁症 (MDD) 风险的遗传预测因果关系.
- 确定可能影响MDD风险的特定饮食成分,告知潜在的预防措施.
- 使用强大的遗传方法,区分关联和潜在的因果关系.
主要方法:
- 采用孟德尔的随机化 (MR) 分析,利用单核酸多态 (SNP) 作为饮食因素的仪器变量.
- 在单变量MR (UVMR) 和多变量MR (MVMR) 分析中应用逆变量加权 (IVW).
- 进行了敏感性分析,包括MR-Egger回归,加权中位数和异常值测试,以确保研究结果的可靠性和稳定性.
- 执行反向MR (rMR) 来评估因果关系的方向性.
主要成果:
- 紫外线MR表明,基因预测的奶酪 (OR=0.841) 和干果 (OR=0.792) 消费与MDD风险降低有关.
- 酒 (OR=1.284) 和烈酒 (OR=3.837) 的消费与增加MDD风险有积极的关联.
- MVMR证实了奶酪摄入对MDD的独立保护作用 (OR=0.754),而其他关联不是独立的.
- 反向MR支持从饮食到MDD的单向因果作用,而不是相反.
结论:
- 奶酪和干果的消费可能会对重度抑郁症有保护作用.
- 酒和烈酒的高摄入量可能是发展MDD的危险因素.
- 饮食修改,包括增加奶酪和干果的摄入量,减少酒和烈酒的消费,可能对预防MDD有益.
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