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白介素-8基因单核苷酸多态性与儿童紫癜性肾炎

The association of IL-8 single nucleotide polymorphism with Henoch-Schnlein purpura nephritis in children
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摘要 目的分析儿童中白介素(IL)-8基因3'端2767(A/G)位点与紫癜性肾炎(Henoch-Schnlein purpura nephritis,HSPN)的相关性。方法抽提68例HSPN患儿外周血DNA,经PCR扩增后,通过Pyrosequencing法进行等位基因分型。同时留取RNA样本并逆转录为cDNA,以实时荧光定量聚合酶链反应(real-time polymerase chain reaction)方法检测IL-8mRNA定量表达水平(以-ΔΔCt值表示)。结果HSPN患儿3种基因型GG、GA、AA的分布为47.1%、39.7%、13.2%,与正常儿相比差异有统计学意义(χ2=8.157,P=0.004)。GG基因型的频率显著高于正常人群(χ2=6.631,P=0.01)。HSPN患儿外周血IL-8 mRNA在GG型个体中的表达(3.816±2.348)高于AG型(2.771±1.242)和AA型(2.524±1.908)。结论IL-8基因3'端2767(A/G)位点GG基因型在一定程度上增加了儿童HSPN的患病风险,该单核苷酸多态性可能通过影响IL-8 mRNA的转录而参与HSPN的发病。
出处 《临床儿科杂志》 CAS CSCD 北大核心 2010年第4期341-343,共3页 Journal of Clinical Pediatrics
关键词 紫癜性肾炎 白介素-8 单核苷酸多态性 实时荧光定量聚合酶链反应 Henoch-Schonlein purpura nephritis interleukine-8 single nucleotide polymorphism real- time polymerase chain reaction
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参考文献7

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