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系统性红斑狼疮病人中的谷胱甘肽硫转移酶基因型与活性 被引量:1

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摘要 【目的】探讨谷胱甘肽硫转移酶(GSTs)基因型和活性分布与系统性红斑狼疮(SLE)发生的联系。【方法】用多重PCR 分析健康对照和 SLE 病人的 GSTT1和 GSTT1基因多态性,PCR-RFLP 检测 GSTP1 lle105Val 基因多态性。参照报道的方法用紫外分光光度法测定红细胞 GSTs 活性。【结果】对照组与 SLE 病人之间 GSTM1、GSTT1与 GSTP1的基因型频率分布比较差异无统计学意义,SLE 病人的平均 GSTs 活性为(5.35±1.49)U/g Hb,比健康人的 GSTs 活性(3.89±1.44)U/g Hb 显著性增高(t=48.057,P=0.000)。在对照组,以 GSTM1基因型分组,GSTM1(-)组 GSTs 活性与 GSTM1(+)组 GSTs 活性差异无统计学意义(P=0.665);以 GSTP1三种基因型分组,杂合 I/V 基因型组的平均 GSTs 活性比野生 I/I 基因型的 GSTs 活性低(P=0.000),比突变 V/V 基因型的 GSTs 活性高(P=0.004)。而在 SLE 病人中,GSTM1基因型或 GSTP1基因型之间 GSTs 活性差异均不大。【结论】GSTs 基因多态性在成人 SLE 发生中的作用并不明显,而 GSTs 活性增高对 SLE 病人可能有重要影响。
出处 《中山大学学报(医学科学版)》 CAS CSCD 北大核心 2005年第B03期98-101,共4页 Journal of Sun Yat-Sen University:Medical Sciences
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