Untargeted metabonomics reveals intervention effects of chicory polysaccharide in a rat model of non-alcoholic fatty liver disease.

Abstract	In the current study, serum metabolomics techniques were used to evaluate the potential mechanism of the effect of chicory polysaccharides in non-alcoholic fatty liver disease (NAFLD) rats. A rat model of NAFLD was constructed according to the histopathological data and biochemical parameters, while the underlying mechanisms of high-fat diet (HFD) induced NAFLD and the therapeutic effects of chicory polysaccharides (CP) were studied by the adoption of serum metabolomics. The serum metabolites were analyzed by GC/MS. Multivariate statistical approaches such as principal component analysis, revealed significant differences with HFD model and CP groups against the control. Results indicated that CP plays a regulatory role in the occurrence of NAFLD. Meantime, a total of 65 candidate biomarkers were screened and identified. Cluster analysis, enrichment analysis and metabolic pathway analysis of differential metabolites also indicated that amino acid metabolism and fatty acid biosynthesis in NAFLD rats, the β-oxidation and urea cycle of very long-chain fatty acids were mainly disturbed when compared against the control group. The corresponding metabolic pathways in the CP group were relieved compared against the NAFLD rats. These results showed that untargeted metabonomics helps to explain intervention effects of chicory polysaccharide with the rat model of NAFLD.
Authors	Hua Zhu, Zhenjiong Wang, Yulong Wu, Haitao Jiang, Feng Zhou, Xiaohong Xie, Renlei Wang, Chun Hua
Journal	International journal of biological macromolecules (Int J Biol Macromol) Vol. 128 Pg. 363-375 (May 01 2019) ISSN: 1879-0003 [Electronic] Netherlands
PMID	30690116 (Publication Type: Journal Article)
Copyright	Copyright © 2019 Elsevier B.V. All rights reserved.
Chemical References	Polysaccharides
Topics	Animals Biopsy Body Weight (drug effects) Cichorium intybus (chemistry) Diet, High-Fat (adverse effects) Disease Models, Animal Liver (drug effects, pathology) Male Metabolomics Non-alcoholic Fatty Liver Disease (blood, chemically induced, metabolism, pathology) Polysaccharides (pharmacology) Rats Rats, Sprague-Dawley

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