BMC MED:粪便菌群移植对患者菌群的长期影响研究

2016-10-15 MedSci MedSci原创

粪便菌群移植(FMT)可有效治疗复发性难辨梭菌感染(rCDI),这种治疗方法可以破坏肠道菌群,抑制艰难梭菌。不管是肠道菌群的长期稳定性,还是黏膜菌群的恢复,都没有得到相关研究,而本项研究就对此进行了评估;此外,还调查了治疗有效性背后的特定细菌。 使用系统微阵列对154份粪便和粘膜样本进行了高通量微生物分析,其中131份标本来自14名rCDI患者,采样时间为FMT治疗前、后、以及随访1年期间;

粪便菌群移植(FMT)可有效治疗复发性难辨梭菌感染(rCDI),这种治疗方法可以破坏肠道菌群,抑制艰难梭菌。

不管是肠道菌群的长期稳定性,还是黏膜菌群的恢复,都没有得到相关研究,而本项研究就对此进行了评估;此外,还调查了治疗有效性背后的特定细菌。

使用系统微阵列对154份粪便和粘膜样本进行了高通量微生物分析,其中131份标本来自14名rCDI患者,采样时间为FMT治疗前、后、以及随访1年期间;还有23份标本来自3名捐赠者。

所有FMT治疗患者均取得了成功。FMT恢复患者的细菌群落,以梭状芽孢杆菌群IV和XIVa为主,是健康肠道的主要厌氧菌群。粘膜样本中的兼性厌氧菌数量下降,不过拟杆菌门数量增加。

FMT治疗后,患者的微生物群特征与捐赠者相似,甚至随访1年的时间,仍保留惊人的相似。此外,通过FMT治疗,可以让CDI患者建立包含24个细菌类群组成的核心菌群。

结果表明,FMT治疗可以让患者的菌群发生显著变化,这也是为什么FMT治疗CDI的有效性如此之高。

原始出处:


Jonna Jalanka, Eero Mattila,et al.Long-term effects on luminal and mucosal microbiota and commonly acquired taxa in faecal microbiota transplantation for recurrent Clostridium difficile infection.BMC Medicine.11 October 2016

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    2016-10-17 Homburg
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