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. 1992 Nov 27;583(1):83-90.
doi: 10.1016/0378-4347(92)80347-s.

High-performance liquid chromatographic assay of the methyl and nucleotide metabolites of 6-mercaptopurine: quantitation of red blood cell 6-thioguanine nucleotide, 6-thioinosinic acid and 6-methylmercaptopurine metabolites in a single sample

L Lennard  1 , H J Singleton
Affiliations

High-performance liquid chromatographic assay of the methyl and nucleotide metabolites of 6-mercaptopurine: quantitation of red blood cell 6-thioguanine nucleotide, 6-thioinosinic acid and 6-methylmercaptopurine metabolites in a single sample

L Lennard et al. J Chromatogr. .

Abstract

A reversed-phase high-performance liquid chromatographic assay was developed to quantify intracellular metabolites of the cytotoxic drug 6-mercaptopurine in the human red blood cell. The 6-thioguanine nucleotides, 6-thioinosinic acid and 6-methylmercaptopurine metabolites are measured in a single sample. A similar assay measures the parent thiopurine compounds. The limit of quantitation of the assay is 0.03, 0.03 and 0.12 nmol per 8 x 10(8) red blood cells for the 6-thioguanine nucleotides, 6-thioinosinic acid and the 6-methylmercaptopurine metabolites, respectively.

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