Article
Thiopurine S-methyltransferase phenotype-genotype correlation in hemodialyzed patients.
Pharmacological reports : PR - 1 Jan 2000
Chrzanowska Maria, Kurzawski Mateusz, Droździk Marek, Mazik Marta, Oko Andrzej, Czekalski Stanisław
Abstract excerpt
Thiopurine S-methyltransferase (TPMT) is a cytosolic enzyme, catalyzing S-methylation of thiopurine drugs. TPMT exhibits autosomal codominant polymorphism. Patients carrying a variant genotype have low TPMT activity, and produce elevated levels of 6-thioguanine nucleotides (6-TGN) in their red blood cells (RBC). 6-TGN accumulation may result in azathioprine (AZA)-induced bone marrow myelosuppression in the course...
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