期刊
JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY
卷 70, 期 47, 页码 14817-14830出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.jafc.2c02066
关键词
Lactobacillus; feruloyl esterase; ulcerative colitis; NF-KB inflammatory signaling pathway
资金
- Priority Academic Program Development of Jiangsu Higher Education Institutions (PAPD)
- National Natural Science Foundation of China
- Open Project of China Canada Food Nutrition and Health Joint Laboratory
- China Postdoctoral Science Foundation
- [31801545]
- [ZJ-2020-07]
- [2020M671517]
This study found that supplementation with a Lactobacillus species producing feruloyl esterase (FAEb) can alleviate ulcerative colitis in mice by reducing body weight loss, colon length shortening, fecal occult blood severity, and disease activity index. FAEb supplementation also improves antioxidant capacity, promotes beneficial short-chain fatty acid production, increases expression of tight junction proteins, reduces histopathological scores, and prevents mucous barrier damage in the gut. Additionally, FAEb supplementation inhibits inflammatory signaling pathways, increases beneficial bacteria abundance, and regulates gut microbiota balance.
Ulcerative colitis (UC) is becoming an increasingly serious health problem. This study aimed to investigate the effect of a newly isolated Lactobacillus species that produces feruloyl esterase (FAEb) on dextran sodium sulfate (DSS)-induced UC in mice. In this study, FAEb supplementation slowed body weight loss and mitigated colon length shortening, the severity of fecal occult blood, and increases in the disease activity index (DAI) in UC model mice. FAEb supplementation was also shown to reduce the expression of proinflammatory factors, increase the antioxidant capacity, improve the production of beneficial short-chain fatty acids (SCFAs), upregulate the expression of tight junction proteins, reduce the histopathological scores, and reduce mucous barrier damage in the gut. Furthermore, FAEb supplementation was shown to inhibit inflammatory NF -KB signaling pathway activity, increase the abundance of beneficial bacteria, and regulate the balance of microbiota in the gut. These results suggest that FAEb may serve as a potential probiotic to prevent and treat UC.
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