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UGT1A6、UGT1A9基因多态性对丙戊酸血药浓度-体重日剂量比值的影响
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摘要
目的:考察尿苷二磷酸葡萄糖醛酸转移酶(UGT)1A6和1A9的单核苷酸多态性(SNP)与癫痫患者丙戊酸血药浓度之间的相关性。方法:共纳入107例丙戊酸单药抗癫痫治疗的中国癫痫患者,采用酶免疫增强放大法(EMIT)检测丙戊酸血浆稳态谷浓度。采用Sequenom(?)MassARRAY system对UGT1A6(rs2070959,rs6759892)和UGT1A9(rs13418420,rs2741045,rs2741049,rs6731242,rs72551330)进行基因分型,并分析上述基因型对丙戊酸血药浓度-体重日剂量比值(CDR)的影响。结果:UGT1A6rs6759892,rs2070959存在连锁不平衡(D′=1.000;r~2=0.934)。UGT1A6rs2070959,rs6759892携带突变基因组的丙戊酸CDR低于野生纯和组,差异有统计学意义(P<0.05)。结论:癫痫患者UGT1A6 rs2070959,rs6759892基因多态性与丙戊酸血药浓度相关,该基因型检测将有助于指导丙戊酸的临床个体化用药。
Objective:The study aims to investigate the associations of UGT1A6 and UGT1A9 polymorphisms with valproic acid plasma concentrations in Chinese epileptic patients.Methods:Blood samples and clinical data were collected from 107 epileptic patients with valproic acid monotherapy treatment.The concentration of valproic acid was detected by EMIT method.UGT1A6(rs2070959,rs6759892) and UGT1A9(rsl3418420,rs2741045,rs2741049,rs6731242,rs72551330)genotypes were detected by Sequenom(?) MassARRAY system.Results:UGT1A6 rs2070959,rs6759892 genotypes were in linkage disequilibrium(D'=1.000;r~2=0.934).Patients with variant genotypes in UGT1A6 rs6759892 and rs2070959 showed lower CDR of valproic acid than those with wild-types(P < 0.05).The results illustrated that UGT1A6 rsl3418420,rs2070959 polymorphisms were associated with valproic acid concentrations,and the test of these genotypes may be useful for individualized medicine of valproic acid.
引文
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