SUN Ming-qian,YIN Chun-yuan,MIAO Lan,et al.Liver Untargeted Metabolomics of Hyperlipidemic Hamsters Based on Liquid Chromatography-Time-of-flight Mass Spectrometry[J].Journal of Instrumental Analysis,2021,40(08):1129-1135.
SUN Ming-qian,YIN Chun-yuan,MIAO Lan,et al.Liver Untargeted Metabolomics of Hyperlipidemic Hamsters Based on Liquid Chromatography-Time-of-flight Mass Spectrometry[J].Journal of Instrumental Analysis,2021,40(08):1129-1135. DOI: 10.19969/j.fxcsxb.20093006.
Liver Untargeted Metabolomics of Hyperlipidemic Hamsters Based on Liquid Chromatography-Time-of-flight Mass Spectrometry
In this study, metabolic profiles of liver homogenate from hyperlipidemic hamsters were analyzed by liquid chromatography coupled to time-of-flight mass spectrometry, and the potential biomarkers were explored by pattern recognition method to investigate the pathogenesis. Both reversed-phase(RPLC) chromatography and hydrophilic interaction chromatography(HILIC) were used to separate the endogenous metabolites in liver homogenates. Partial least squares discriminant analysis(PLS-DA) was used to analyze the data, and the qualitative analysis of the endogenous components was carried out by comparing the standards, the database or fragmentation analysis. Good separations were observed between the model and normal groups in both HILIC and RPLC separating modes by PLS-DA. Compared with the normal group, 16 potential biomarkers in liver of hyperlipidemic group were identified. The major disturbed metabolic pathways were purine metabolism,phosphatidylcholine metabolism,sphingolipids metabolism and lysine metabolism. Results showed that the abnormal biomarkers and pathways may provide evidences to understand the metabolic mechanism of liver in hyperlipidemic hamsters.
关键词
高脂血症代谢组学生物标志物金黄地鼠液相色谱-飞行时间质谱联用
Keywords
hyperlipidemiametabolomicsbiomarkershamstersliquid chromatography-time-of-flight mass spectrometry
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