期刊
FOODS
卷 12, 期 11, 页码 -出版社
MDPI
DOI: 10.3390/foods12112251
关键词
Lactiplantibacillus plantarum; chitosan oligosaccharides; colitis; short-chain fatty acids; cytokines; gut microbiota
In this study, endogenous and exogenous Lactiplantibacillus plantarum (L. plantarum) were combined with chitosan oligosaccharides (COS) to form synbiotics, which were tested for their anti-inflammatory activity in a mouse model of acute colitis. The results showed that L. plantarum, COS, and the synbiotics alleviated colitis symptoms and modulated the gut microbiota. The exogenous synbiotics showed better anti-inflammatory effects compared to exogenous L. plantarum LP-P alone, suggesting that the combination of COS with exogenous L. plantarum can enhance its therapeutic potential.
In this work, Lactiplantibacillus plantarum (L. plantarum) isolated from mice feces (LP-M) and pickles (LP-P) were chosen as the endogenous and exogenous L. plantarum, respectively, which were separately combined with chitosan oligosaccharides (COS) to be synbiotics. The anti-inflammatory activity of LP-M, LP-P, COS, and the synbiotics was explored using dextran-sodium-sulfate (DSS)-induced acute colitis mice, as well as by comparing the synergistic effects of COS with LP-M or LP-P. The results revealed that L. plantarum, COS, and the synbiotics alleviated the symptoms of mice colitis and inhibited the changes in short-chain fatty acids (SCFAs), tumor necrosis factor- ff (TNF-alpha), interleukin (IL)-1 beta, IL-6, IL-10, and myeloperoxidase (MPO) caused by DSS. In addition, the intervention of L. plantarum, COS, and the synbiotics increased the relative abundance of beneficial bacteria Muribaculaceae and Lactobacillus and suppressed the pathogenic bacteria Turicibacter and Escherichia-Shigella. There was no statistically difference between LP-M and the endogenous synbiotics on intestinal immunity and metabolism. However, the exogenous synbiotics improved SCFAs, inhibited the changes in cytokines and MPO activity, and restored the gut microbiota more effectively than exogenous L. plantarum LP-P. This indicated that the anti-inflammatory activity of exogenous LP-P can be increased by combining it with COS as a synbiotic.
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