Ann Rheum Dis:类风湿性关节炎风险个体中的肠道普氏菌

2019-02-16 xiangting MedSci原创

处于临床前RA阶段的个体在起病前,普雷沃菌属的富集表明肠道生态失调在RA的进展中起作用。

类风湿性关节炎(RA)与粪便普雷沃氏菌的相对扩增有关。这项研究旨在确定一组RA风险升高的个体在发病前普雷沃菌属的微生物组成和患病率。

在一项正在进行的针对RA患者直系亲属(FDRs)的队列研究中,研究人员确定了"FDR对照"、无症状和无自身抗体的个体以及处于临床前RA阶段的个体,临床前RA阶段个体抗瓜氨酸肽抗体或类风湿因子阳性和/或出现与RA相关的症状和体征。进行粪便取样和不依赖培养的微生物群分析,然后进行菌群结构的描述性统计和统计学分析。

共纳入133名参与者,其中50名被归类为"FDR对照",83名归入"临床前RA阶段"。与FDR对照相比,"临床前RA阶段"个体微生物群有显著改变。研究发现"临床前RA"组中的细菌家族普雷沃氏菌科,特别是普雷沃菌属明显富集(p=0.04)。

处于临床前RA阶段的个体在起病前,普雷沃菌属的富集表明肠道生态失调在RA的进展中起作用。

原始出处:
Deshire Alpizar-Rodriguez. Prevotella copri in individuals at risk for rheumatoid arthritis. Ann Rheum Dis. 15 February 2019.

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