空气污染和常见的自身免疫性疾病之间的因果关系:一个双样本的门德尔随机化研究
Ming Zhang1,2, Yidian Wang3, Shouye Hu3
1Department of Cardiovascular Medicine, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, China. 1130414968@qq.com.
这项研究使用了门德尔的随机化来发现空气污染和自身免疫性疾病 (ADS) 之间的因果关系. 暴露于氧化,PM2.5和PM10与风湿性关节炎,Sjogren综合征,全身性红斑狼,性结肠炎和牛皮的风险增加有关.
科学领域:
- 环境流行病学环境流行病学
- 遗传流行病学遗传流行病学
- 自身免疫性疾病 研究 研究 研究
背景情况:
- 空气污染是已知的自身免疫性疾病 (ADS) 的风险因素.
- 空气污染物和ADS之间的确切遗传因果关系尚不清楚.
- 了解这些联系对于公共卫生干预至关重要.
研究的目的:
- 使用孟德尔随机化 (MR) 调查常见空气污染物和特定的ADs之间的因果关系.
- 探索风险因素 (如BMI和吸烟) 在空气污染-ADS路径中的中介作用.
- 为改善空气质量提供证据,作为ADS的预防策略.
主要方法:
- 利用了5种常见空气污染物的全基因组关联研究 (GWAS) 的综合数据.
- 采用单核酸多态 (SNP) 作为仪器变量.
- 应用逆方差加权 (IVW) 方法进行初级分析和两步MR进行中介分析.
主要成果:
- 氧化与类风湿性关节炎 (RA),Sjogren综合征 (SS) 和全身性红斑狼具有积极的因果关系.
- 分别确定PM2.5和PM10为性结肠炎和牛皮的危险因素.
- 在PM2.5-10和SS之间观察到负因果关系;BMI和吸烟对RA的中介作用.
结论:
- 这项MR研究提供了强有力的证据,证明特定空气污染物与ADS之间的因果关系.
- 研究结果表明,减少空气污染暴露可能是预防ADS的可行策略.
- 对调解因素的进一步研究可以改进有针对性的公共卫生战略.
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