肠道微生物群与常见的重叠胃肠道疾病之间的关联:双向的双样本孟德尔随机化研究
Yuhan Huang1,2, Zhen Kang1,2, Yuhan He1,2
1The Second Affiliated Hospital of Hunan University of Chinese Medicine, Changsha, Hunan, China.
Frontiers in microbiology
|June 10, 2024
概括
这项研究使用了门德尔的随机化来探索肠道细菌和功能性胃肠道疾病 (FGIDs) 之间的因果关系,如功能性消化不良 (FD) 和刺激性肠道综合征 (IBS),以及胃食道反流症 (GERD). 发现特定的肠道微生物与这些疾病有关.
科学领域:
- 胃肠病学 胃肠病学
- 微生物组研究 微生物组研究
- 遗传学 是一个遗传学.
背景情况:
- 功能性胃肠道疾病 (FGIDs),包括功能性消化不良 (FD) 和刺激性肠综合征 (IBS),往往与胃食道逆流病 (GERD) 共享症状.
- 肠道微生物群在FGID和GERD中的作用是公认的,但尚未完全理解.
- 建立肠道微生物群和这些疾病之间的因果关系对于有效的诊断和治疗至关重要.
研究的目的:
- 调查肠道微生物组成与功能性消化不良 (FD),刺激性肠综合征 (IBS) 和胃食道反流病 (GERD) 之间的潜在因果关系.
- 使用双向双样本的门德尔随机化 (MR) 分析来探索这些关联.
主要方法:
- 211个肠道微生物种群的遗传数据来源于MiBioGen联盟和荷兰微生物组项目.
- 针对FD和IBS的全基因组关联研究 (GWAS) 数据来自FinnGen联盟,而针对GERD则来自IEU OpenGWAS项目.
- 进行了双向双样本的门德尔随机化 (MR) 分析,主要使用反变量加权 (IVW) 方法,以及灵敏度分析和反向MR.
主要成果:
- 分析确定了8种与FD相关的肠道微生物种群,包括*Lachnospiraceae NK4A136组*和*Terrisporobacter*的属.
- 八种肠道微生物种类与IBS有关,特别是家族*Prevotellaceae*和物种*Clostridium leptum*.
- 五种肠道微生物种类与GERD有关. 反向MR分析显示了特定微生物种群与FD (2),IBS (5) 和GERD (21) 之间的关联.
结论:
- 这项研究提供了关于特定肠道微生物对FD,IBS和GERD的潜在因果影响的证据.
- 这些发现可能为这些普遍的胃肠道疾病的临床诊断和治疗策略提供新的视角.
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