气相色谱-质谱联用技术对小鼠急性肝损伤的代谢物及相关代谢通路的研究*
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马晓丽,E-mail:1065158755@qq.com

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国家自然科学基金(No:81760753,81460493)


Study on metabolites and related metabolic pathways of acute liver injury in mice by gas chromatography-mass spectrometry*
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    摘要:

    目的 采用气相色谱-质谱(GC-MS)联用技术探究四氯化碳CCl4致小鼠急性肝损伤后肝组织代谢物的变化,筛选相关代谢通路。方法 腹腔注射0.1% CCl4(V/V)橄榄油溶液复制诱导小鼠急性肝损伤模型,对照组和模型组小鼠肝组织样品经预处理、衍生后,进行基于GC-MS的代谢全谱分析,利用Metabo analyst 3.0 统计软件进行在线数据分析,观察两组的差异代谢物并分析相关代谢通路。结果 通过GC-MS检测分析共找到33种可能的内源性物质,通过图谱指认出14种物质,利用基于偏最小二乘判别分析(PLS-DA)能清晰地将两组样本分开,通过标志代谢物分析可能的代谢通路。结论 基于GC-MS的代谢组学技术可用于急性肝损伤小鼠动物模型的评价研究。

    Abstract:

    Objective To investigate the changes of liver tissue metabolites induced by carbon tetrachloride (CCl4) in mice after acute liver injury by gas chromatography-mass spectrometry (GC-MS), and to screen related metabolic pathways. Method A model of acute liver injury induced by intraperitoneal injection of 0.1% CCl4 (V/V) olive oil was established. The liver tissue samples of the blank control group and the model group were pretreated and derivatized to perform GC-MS based metabolism. Online data analysis using Metabo Analyst 3.0 was used to observe differential metabolites in the two groups and analyze relevant metabolic pathways. Result A total of 33 possible endogenous substances were identified by GC-MS analysis. 14 substances were identified by the map. The partial least squares method was used to distinguish the two groups of samples clearly and analyzed possible metabolic pathways by marker metabolites. Conclusion GC-MS metabolomics techniques can be used to evaluate animal models of acute liver injury in mice.

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马小芬,苏比努尔·巴克,李珍,李德龙,马晓丽.气相色谱-质谱联用技术对小鼠急性肝损伤的代谢物及相关代谢通路的研究*[J].中国现代医学杂志,2020,(3):7-11

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  • 收稿日期:2019-08-08
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  • 在线发布日期: 2020-02-15
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