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The Influence of Hemodialysis on Thiopurine Methyltransferase Activity in Uremia Patients
Author(s): ZHANG Wei, ZHANG Lirong
Pages: 172-
173
Year: 2004
Issue:
3
Journal: HENAN JOURNAL OF ONCOLOGY
Keyword: 硫嘌呤甲基转移酶; 血液透析; 尿毒症;
Abstract: 目的探讨慢性尿毒症患者红细胞内硫嘌呤甲基转移酶(thiopurinemethyltransferase,TPMT)的活性及血液透析对它的影响.方法 30例慢性尿毒症患者血液透析前和血液透析后4小时及50名健康志愿者各取5毫升静脉血采用高效液相色谱法(high-perfor-mance liquid chromatographic,HPLC)测定红细胞的TPMT活性.结果健康志愿者活性的平均值为(17.1±4.6)U/mL pRBCs,慢性尿毒症患者血液透析前红细胞内TPMT活性平均为(22.3±6.7)U/mL pRBCs,而血液透析后4小时TPMT活性平均为(17.5±4.0)U/mLpRBCs.结论除了遗传因素可以影响TPMT活性外,尿毒症患者可因肾功能不全诱导TPMT活性上调,而血液透析后诱导因素去除,TPMT活性又接近正常.
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