在结石疾病中解开肠-免疫-轴:双步门德尔随机化调查
Jian Hou1, Junxiong Li1, Yupeng Wu2
1Department of Urology, The First Affiliated Hospital of Kunming Medical University, Kunming, Yunnan, China.
Urolithiasis
|August 20, 2025
概括
肠道微生物群通过免疫路径影响结石疾病 (KSD) 的风险. 像Prevotella这样的特定肠道细菌表现出保护作用,而像Bacteroides这样的细菌则通过免疫细胞变化来增加KSD的风险.
科学领域:
- 微生物学
- 免疫学
- 肝脏病学
背景情况:
- 肠道微生物群 (GM) 在免疫系统调节和全身性疾病中起着关键作用.
- 转基因影响结石疾病 (KSD) 的具体机制尚未完全理解.
- 研究肠-免疫-轴对于了解KSD的发病过程至关重要.
研究的目的:
- 调查肠道微生物特征与结石疾病 (KSD) 易感性之间的因果关系.
- 探索免疫相关机制在介导转基因对KSD的影响中的作用.
- 确定与KSD风险相关的特定肠道微生物和免疫特征.
主要方法:
- 使用全基因组关联研究 (GWAS) 总结数据进行了孟德尔随机化 (MR) 分析.
- 两步MR评估了430个转基因特征对731个免疫细胞特征和KSD的因果关系.
- 使用逆方差加权 (IVW) 方法,MR- Egger回归和中介MR分析.
主要成果:
- 在15个转基因分类种和KSD之间发现了显著的因果关系.
- 保护性属包括Prevotella,Phascolarctobacterium和Ruminococcaceae;与风险相关的属包括Bacteroides,Clostridiales和Subdoligranulum.
- 在CD39+CD4+T细胞上的CD28表达调解了Prevotella对KSD的保护作用.
结论:
- 这项研究提供了影响KSD的肠-免疫-轴的因果证据.
- 特定的肠道微生物通过免疫调节影响KSD易感性.
- 这些发现可以为新的微生物群或免疫向的KSD预防策略提供信息.
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