Article
Individualizing Therapy with 6-Mercaptopurine and 6-Thioguanine Related to the Thiopurine Methyltransferase Genetic Polymorphism
1 Aug 1996
Abstract excerpt
The formation of intracellular thionucleotides are a prerequisite for mercaptopurine (MP) cytotoxicity, and interindividual variations in the inherited level of thiopurine methyltransferase (TPMT) activity regulate their formation. Measurement of pretreatment TPMT activities can identify the TPMT "deficient" patient and, conversely, the individual with very high enzyme activities. The former are at higher risk of...
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