Metabolomics

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Disease progression-associated alterations in fecal metabolites in SAMP1/YitFc mice, a Crohn’s disease model


ABSTRACT:

INTRODUCTION: Crohn’s disease (CD) is a chronic, relapsing inflammatory bowel disease affecting the gastrointestinal tract. Although its precise etiology has not been fully elucidated, imbalance of the intestinal microbiota has been known to play a role in CD. Fecal metabolites may be related to the onset and progression of CD.

OBJECTIVES: This study aimed to clarify the transition of fecal metabolites associated with disease progression using SAMP1/YitFc mice, mouse models of spontaneous CD.

METHODS: Feces from control ICR (n = 6) and SAMP1/YitFc (n = 8) mice at different ages were subjected to 1H nuclear magnetic resonance (NMR) analysis. The obtained NMR spectra were used for multivariate and quantitative analyses.

RESULTS: Fecal metabolites, such as short-chain fatty acids, lactate, glucose, xylose, and choline, dramatically fluctuated with disease progression before histological abnormalities associated with CD were apparent in SAMP1/YitFc mice. Unlike that of other metabolites, fecal taurine concentration in SAMP1/YitFc was high regardless of age.

CONCLUSION: The fecal metabolites showing characteristic fluctuations may be utilized as potential biomarkers in predicting CD pathology.

INSTRUMENT(S): Nuclear Magnetic Resonance (NMR) -

SUBMITTER: Yosuke Komatsu  

PROVIDER: MTBLS1209 | MetaboLights | 2020-09-02

REPOSITORIES: MetaboLights

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