Anti-Inflammatory Effect of Clostridium butyricum-Derived Extracellular Vesicles in Ulcerative Colitis: Impact on Host microRNAs Expressions and Gut Microbiome Profiles
文献类型： 外文期刊
作者： Ma, Lingyan 1 ; Lyu, Wentao 1 ; Song, Yuanyuan 1 ; Chen, Kai 2 ; Lv, Lu 1 ; Yang, Hua 1 ; Wang, Wen 1 ; Xiao, Yingping 1 ;
作者机构： 1.Zhejiang Acad Agr Sci, Inst Agroprod Safety & Nutr, State Key Lab Managing Biot & Chem Threats Qual &, Hangzhou 310021, Peoples R China
2.Zhejiang Ctr Anim Dis Control, Hangzhou 311199, Peoples R China
关键词： Clostridium butyricum; colitis; extracellular vesicles; gut microbiota; microRNA
期刊名称：MOLECULAR NUTRITION & FOOD RESEARCH （ 影响因子：5.2； 五年影响因子：6.2 ）
ISSN： 1613-4125
年卷期： 2023 年 67 卷 13 期
页码：
收录情况： SCI
摘要： ScoreProbiotics extracellular vesicles (EVs) have shown potential as EV-based nanomaterials therapy for the treatment of inflammatory bowel disease (IBD). Although probiotic Clostridium butyricum has been reported to be protective in various models of intestinal inflammation, the therapeutic effects of C. butyricum-derived extracellular vesicles (CbEVs) in IBD remain to be demonstrated. Methods and resultsIn this study, multi-omics sequencing is combined with an in vitro model of lipopolysaccharide-induced RAW264.7 cells and an in vivo mouse model of dextran sodium sulfate-induced colitis to explore the regulatory impact and mechanism of CbEVs in ulcerative colitis. Through small RNA sequencing, the study finds that microRNA is involved in the alleviation of colonic inflammation under CbEVs treatment. Mechanistically, CbEVs restore miR-199a-3p expression, interacting with map3k4, and thereby suppress proinflammatory MAPK and NF-kappa B signaling. Additionally, metagenomic sequencing demonstrate that CbEVs alleviate bacterial dysbiosis in colitis mice and significantly reduces the abundance of the bacterial pathogens Escherichia coli and Shigella flexneri. Furthermore, CbEVs regulate the microbial tryptophan metabolites, which further improve intestinal barrier integrity and inhibit the inflammatory response in colitis mice. ConclusionC. butyricum-derived extracellular vesicles can be a novel agent for the treatment of colitis and miR-199a-3p can be a potential target for IBD treatment.
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