Detailed mitochondrial phenotyping by high resolution metabolomics.

Detailed mitochondrial phenotyping by high resolution metabolomics.
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DOI:
10.1371/journal.pone.0033020
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发表时间:
2012
期刊:
影响因子:
3.7
通讯作者:
Jones DP
Jones DP
中科院分区:
综合性期刊3区
文献类型:
--
作者:
Roede JR;Park Y;Li S;Strobel FH;Jones DP

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线粒体表型是复杂的,难以在单个细胞类型的水平上定义。较新的代谢分析方法可以从相对较小的样本中提供数十种代谢途径的信息。这项初步研究使用“自上而下”的代谢谱来确定肝线粒体中存在的代谢物谱。高分辨率质谱分析和多元统计检验提供了线粒体的全球代谢信息,并显示肝脏线粒体具有基于性别和基因型的显著表型。数据还显示,线粒体中含有大量未经鉴定的化学物质。
Mitochondrial phenotype is complex and difficult to define at the level of individual cell types. Newer metabolic profiling methods provide information on dozens of metabolic pathways from a relatively small sample. This pilot study used “top-down” metabolic profiling to determine the spectrum of metabolites present in liver mitochondria. High resolution mass spectral analyses and multivariate statistical tests provided global metabolic information about mitochondria and showed that liver mitochondria possess a significant phenotype based on gender and genotype. The data also show that mitochondria contain a large number of unidentified chemicals.
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