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Article Publish Status: FREE
Abstract Title:

Gut Microbiota Mediates Protection Against Enteropathy Induced by Indomethacin.

Abstract Source:

Sci Rep. 2017 Jan 9 ;7:40317. Epub 2017 Jan 9. PMID: 28067296

Abstract Author(s):

Xue Xiao, Geicho Nakatsu, Ye Jin, Sunny Wong, Jun Yu, James Y W Lau

Article Affiliation:

Xue Xiao

Abstract:

Non-steroidal anti-inflammatory drugs (NSAIDs) can cause significant small bowel injuries. The role of gut microbiota in this NSAID-induced enteropathy is poorly understood. We studied the dynamic changes in gut microbiota following indomethacin administration in mice, and investigated the effects of these adaptive changes on subsequent NSAID-induced enteropathy. The changes in gut microbiota were studied using 16S rRNA sequencing, and the effects of such changes were investigated using antibiotics and a faecal transplantation model. After indomethacin treatment, significant adaptive changes in gut microbiota were observed, including increased abundance of Firmicutes and decreased abundance in that of Bacteroidetes. Depletion of gut microbiota with antibiotics led to a higher mortality (P = 0.0021) in mice compared to controls. Mice pre-transplanted with adaptively changed microbiota showed less small bowel injury and lower levels of pro-inflammatory cytokines when exposed to indomethacin. In summary, this study identifies adaptive changes in the gut microbiota upon indomethacinadministration, which can in turn ameliorate further NSAID-induced injury. The heightened mortality with antibiotic depletion of the adaptively changed microbiota suggests its important role in protecting against such injury. This study provides insight for future efforts to target the microbiota as a therapeutic strategy.

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Sayer Ji
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