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Chlorogenic Acid Ameliorates Experimental Colitis by Promoting Growth of Akkermansia in Mice

Department of Hygiene Analysis and Detection, School of Public Health, Nanjing Medical University, Nanjing 211166, Jiangsu, China
Department of Environmental Toxicology, The Institute of Environmental and Human Health, Texas Tech University, 1207 Gilbert Drive, Lubbock, TX 79416, USA
Department of Gastroenterology, The Affiliated Drum Tower Hospital of Nanjing University Medical School, Nanjing 210008, Jiangsu, China
Author to whom correspondence should be addressed.
Nutrients 2017, 9(7), 677;
Received: 25 April 2017 / Revised: 12 June 2017 / Accepted: 24 June 2017 / Published: 29 June 2017
Chlorogenic 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
Keywords: chlorogenic acid; colitis; inflammation; gut microbiota; Akkermansia chlorogenic acid; colitis; inflammation; gut microbiota; Akkermansia
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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.

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