Article
Frequency of thiopurine S-methyltransferase genetic variation in Thai children with acute leukemia.
Medical and pediatric oncology - 1 Oct 2000
Hongeng S, Sasanakul W, Chuansumrit A, Pakakasama S, Chattananon A, Hathirat P
Abstract excerpt
BACKGROUND: Thiopurine S-methyltransferase (TPMT) catalyzes the S-methylation (inactivation) of mercaptopurine, azathioprine, and thioguanine, and exhibits genetic variation. About 11% of Caucasians have intermediate TPMT activity because of heterozygosity, and about 1 in 300 inherits TPMT deficiency as an autosomal codominant trait. If patients who have intermediate or deficient TPMT activity receive the...
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