Simultaneous determination of tricarboxylic acid cycle metabolites by high-performance liquid chromatography with ultraviolet detection.

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Analytical biochemistry, ISSN: 1096-0309, Vol: 503, Page: 8-10

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Shurubor, Yevgeniya I; Cooper, Arthur J L; Isakova, Elena P; Deryabina, Yulia I; Beal, M. Flint; Krasnikov, Boris F
Elsevier BV; Academic Press; Touro Scholar
Biochemistry, Genetics and Molecular Biology; Energy metabolism; High-performance liquid chromatography; Organic acids; Tricarboxylic acid cycle; Ultraviolet detection; Analytical Chemistry; Biochemistry; Molecular Biology
article description
Here we describe a simple high-performance liquid chromatography (HPLC) procedure for the simultaneous detection and quantitation in standard solutions of 13 important metabolites of cellular energy metabolism, including 9 tricarboxylic acid (TCA) cycle components and 4 additional metabolites. The metabolites are detected by their absorbance at 210 nm. The procedure does not require prior derivatization, and an analysis can be carried out at ambient temperature within 15 min. The significance of the current work is that the current HPLC procedure should motivate the development of simplified TCA cycle enzyme assays, isotopomer analysis, and determination of selected TCA metabolite levels in plasma/tissues.