Chlorogenic Acid Ameliorates Experimental Colitis by Promoting Growth of Akkermansia in Mice
AbstractChlorogenic acid (ChA)—one of the most abundant polyphenol compounds in the human diet—exerts anti-inflammatory activities. The aim of this study was to investigate the effect of ChA on gut microbiota in ulcerative colitis (UC). Colitis was induced by 2.5% dextran sulfate sodium (DSS) in C57BL/6 mice, which were on a control diet or diet with ChA (1 mM). The histopathological changes and inflammation were evaluated. Fecal samples were analyzed by 16S rRNA gene sequencing. ChA attenuated several effects of DSS-induced colitis, including weight loss, increased disease activity index, and improved mucosal damage. Moreover, ChA could significantly suppress the secretion of IFNγ, TNFα, and IL-6 and the colonic infiltration of F4/80+ macrophages, CD3+ T cells, and CD177+ neutrophils via inhibition of the active NF-κB signaling pathway. In addition, ChA decreased the proportion of Firmicutes and Bacteroidetes. ChA also enhanced a reduction in fecal microbiota diversity in DSS treated mice. Interestingly, ChA treatment markedly increased the proportion of the mucin-degrading bacterium Akkermansia in colitis mice. ChA acted as the intestine-modifying gut microbial community structure, resulting in a lower intestinal and systemic inflammation and also improving the course of the DSS-induced colitis, which is associated with a proportional increase in Akkermansia. View Full-Text
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Zhang, Z.; Wu, X.; Cao, S.; Cromie, M.; Shen, Y.; Feng, Y.; Yang, H.; Li, L. Chlorogenic Acid Ameliorates Experimental Colitis by Promoting Growth of Akkermansia in Mice. Nutrients 2017, 9, 677.
Zhang Z, Wu X, Cao S, Cromie M, Shen Y, Feng Y, Yang H, Li L. Chlorogenic Acid Ameliorates Experimental Colitis by Promoting Growth of Akkermansia in Mice. Nutrients. 2017; 9(7):677.Chicago/Turabian Style
Zhang, Zhan; Wu, Xinyue; Cao, Shuyuan; Cromie, Meghan; Shen, Yonghua; Feng, Yiming; Yang, Hui; Li, Lei. 2017. "Chlorogenic Acid Ameliorates Experimental Colitis by Promoting Growth of Akkermansia in Mice." Nutrients 9, no. 7: 677.
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