Lactobacillus fermentum Inhibits the Development of Colitis by Regulating the Intestinal Microbiota and Metabolites to Enhance the Intestinal Barrier and Decrease Inflammatory Responses
Year: 2025
Type: article
Abstract: Ulcerative colitis (UC) is a chronic inflammatory disorder difficult to cure with current treatments. Therefore, preventive interventions for UC are crucial. This research investigated the intervention potential of Lactobacillus (L.) fermentum S1 derived from a cat in reducing dextran sulfate sodium (DSS)-triggered UC. Through a combination of physiological, microbiological, and metabolomic analyses, we demonstrated that preventive supplementation with L. fermentum S1 significantly mitigated DSS-triggered body weight loss, colon shortening, intestinal barrier (IB) dysfunction, and inflammatory reaction. L. fermentum S1 modulated gut microbiota (GM) components and elevated short-chain fatty acids generation. Beneficial genera were abundant (Akkermansia, Ligilactobacillus, Turicibacter, and Prevotella_9) while suppressing pathogenic taxa (Parabacteroides and Acinetobacter). Furthermore, L. fermentum S1 increased the amount of the anti-inflammatory metabolite hecogenin within the intestines. Spearman’s correlation analysis exhibited significant associations between microbial shifts and metabolite profiles, suggesting that microbiota-derived metabolites can mediate their therapeutic effects. These outcomes indicate the potential of L. fermentum S1 as a new dietary supplement and provide a theoretical basis for UC prevention.
DOI: 10.3390/ijms26189181
Authors: Xiaoyan You, Pengcheng Shi, Wenjing Liu, Wenjing Liu, Mengyi Zheng, Lixia Jin, Wei Liu, Wei Liu
Language: English
Topic: Gut microbiota and health
Subfield: Molecular Biology
Domain: Life Sciences
Open Access status: gold
Estimated APC paid: $3,499
OpenAlex ID: W4414579477