Analysis of Intra- and Extracellular Levels of Purine Bases, Nucleosides, and Nucleotides in HepG2 Cells by High-performance Liquid Chromatography

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  • FUKUUCHI Tomoko
    The Laboratory of Biomedical and Analytical Sciences, Faculty of Pharma Sciences, Teikyo University
  • YAMAOKA Noriko
    The Laboratory of Biomedical and Analytical Sciences, Faculty of Pharma Sciences, Teikyo University
  • KANEKO Kiyoko
    The Laboratory of Biomedical and Analytical Sciences, Faculty of Pharma Sciences, Teikyo University

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説明

To evaluate cellular uptake and purine transport, we developed a high-performance liquid chromatography method for intra- and extracellular purine quantification. Our aim was to develop an effective method for simultaneously quantifying the substrate and metabolites with high sensitivity. C18 columns from different manufacturers were tested for simultaneous quantification of 22 different purine bases, nucleosides, and nucleotides. We used a YMC-Triart C18 column. The analysis conditions, including extraction solutions for the cells and cell culture medium, were optimized to achieve good quantification. Linearity, accuracy, determination limits, and recovery were assessed and showed good performance. The developed HPLC method was successfully applied to the qualitative analysis of 22 different intra- and extracellular purines, demonstrating that it is useful for studying the overall pattern of purine metabolism. This method could also be useful for evaluating metabolic dynamics of purines under a variety of stimulatory conditions of culture cells.

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  • Analytical Sciences

    Analytical Sciences 31 (9), 895-901, 2015

    社団法人 日本分析化学会

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