[Hyperoxia caused intestinal metabolism disorder in mice].
Chinese Critical Care Medicine(2023)
摘要
OBJECTIVE:To investigate the effect of hyperoxia on intestinal metabolomics in mice.
METHODS:Sixteen 8-week-old male C57BL/6 mice were randomly divided into hyperoxia group and control group, with 8 mice in each group. The hyperoxia group was exposed to 80% oxygen for 14 days. Mice were anesthetized and euthanized, and cecal contents were collected for untargeted metabolomics analysis by liquid chromatography-mass spectrometry (LC-MS) combined detection. Orthogonal partial least square discriminant analysis (OPLS-DA), volcano plot analysis, heat map analysis, and Kyoto Encyclopedia of Genes and Genomes (KEGG) were used to analyze the effects of hyperoxia on metabolism.
RESULTS:(1) OPLS-DA analysis showed that R
22CONCLUSIONS:Hyperoxia significantly induces intestinal metabolic disorders. Hyperoxia enhances the metabolism of porphyrins and chlorophyll, inhibits the degradation of lysine, and delays the degradation of aromatic compounds such as benzene and o-cresol.
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关键词
intestinal metabolism disorder,hyperoxia,mice
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