Altered metabolome and microbiome features provide clues in predicting recurrence of ulcerative colitis
JOURNAL OF PHARMACEUTICAL AND BIOMEDICAL ANALYSIS(2024)
摘要
Purpose: Many studies have shown that the imbalance of the intestinal flora and metabolite can lead to the development of ulcerative colitis (UC), but their role in recurrent-UC is still unclear. We studied the intestinal flora and metabolites associated with recurrent-UC to elucidate the mechanism and biomarkers of recurrent-UC.Methods: Ulcerative colitis (UC) models in active, remission, and recurrence stages were established, and the abundance of intestinal flora was determined by 16 S rRNA sequencing. The changes in the metabolites present in feces and serum were analyzed by UPLC-MS/MS.Results: We identified 24 metabolites in feces and serum, which might be used as diagnostic and predictive biomarkers of recurrent-UC. The dominant flora of recurrent-UC included Romboutsia, UCG-005, etc. The results of a network analysis found that long-chain fatty acids and phenylalanine were strongly correlated with Fir-micutes and Proteobacteria, which indicated that the recurrence of UC might be closely related to metabolites and microorganisms.Conclusion: The changes in intestinal microbiota and metabolites are closely related to the development of UC. Microbiota is an important inducer of UC, which can regulate metabolites through the 'microorganism-gut -metabolite' axis. It may provide a new method for the prediction and treatment of UC.
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关键词
Ulcerative colitis,Gut microbiota,Metabolomics,Biomarkers
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