在脊椎关节炎,急性前水道炎和克罗恩病中共享和独特的肠道微生物群
Morgan Essex1, Valeria Rios Rodriguez2, Judith Rademacher3
1Experimental and Clinical Research Center (ECRC; a cooperation of the Max Delbrück Center and Charité-Universitätsmedizin), Max Delbrück Center for Molecular Medicine in the Helmholtz Association (MDC), and Charité-Universitätsmedizin Berlin (a corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin), Berlin, Germany.
对肠道微生物组在脊椎关节炎 (SpA) 和相关炎症性疾病的研究发现了共享的功能失调. 像Fusicatenibacter和Collinella这样的特定细菌与SPA和克罗恩病有关,为疾病机制提供了洞察力.
科学领域:
- 胃肠病学 胃肠病学
- 免疫学 免疫学 免疫学
- 微生物组研究 微生物组研究
背景情况:
- 脊椎关节炎 (SpA) 与诸如克罗恩氏病 (CD) 和急性前膜炎 (AAU) 等炎症状况有关.
- 肠道微生物群在这些免疫媒介疾病中的作用正在调查中.
- 了解共享和独特的肠道微生物特征可以阐明疾病病理生理学.
研究的目的:
- 为了研究与健康对照组相比,患有SPA,CD和AAU的患者的肠道微生物组组成.
- 确定与这些炎症状况相关的共享和疾病特异的微生物特征.
- 探索疾病活动和炎症的潜在微生物媒介.
主要方法:
- 在277名患者 (CD,AAU,SPA) 和62名对照者的便样本上进行了16S核糖体RNA测序.
- 采用统计方法来确定微生物差异和控制混因素.
- 患者未接受过治疗或没有接受过超过3个月的生物DMARDs.
主要成果:
- 鉴定出一种常见的免疫媒介疾病信号,其特征是Lachnospiraceae的稀少性,特别是Fusicatenibacter.
- 菌在单独治疗NSAID的对照组中最为丰富,并且可能会调解高C-反应蛋白.
- 脊髓炎患者显示了柯林塞拉的丰富,HLA-B27+个体有丰富的便细菌,CD患者有更高的鲁米诺菌丰富度.
结论:
- 这项研究支持SPA和相关的炎症性疾病中常见的肠道失调.
- 发现了共同的和特定于疾病的微生物关联,表明了疾病活动的潜在媒介.
- 需要进一步的验证研究来澄清特定细菌 (例如,Fusicatenibacter) 的作用及其与宿主因子 (例如,HLA-B27) 的关系.
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