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Relationship between V249I polymorphism in CX3CR1 gene and inflammatory mediators in diabetic nephropathy
Author(s): 
Pages: 515-519
Year: Issue:  7
Journal: Chinese Journal of Blood Purification

Keyword:  FractalkineCX3CR1 geneGene polymorphismDiabetic nephropathyInflammation mediator;
Abstract: 目的 研究糖尿病肾病患者Fractalkine (FKN)受体CX3CR1基因V249I多态性与炎症介质NF-κb、FKN、IL-6、TNF-α的关系.方法 应用聚合酶链反应限制片段长度多态性方法及测序法对80例糖尿病肾病(DN组)患者、119例糖尿病(DM组)患者和118例对照者(C组)的CX3CR1基因多态性进行分析,同时检测各组血清中NF-κb、FKN、IL-6、TNF-α含量.结果 等位基因249I在对照组(20.33%)中的分布频率明显高于DN组(17.23%)和DM组(8.75%)(x2=9.698,P=0.002);血清中NF-κb、FKN、IL-6、TNF-α含量DN组高于DM组,DM组高于C组,差异均有统计学意义(各指标F值分别为23.318、52.507、8.821、12.013;P值分别为0.000、0.000、0.001、0.000);DN组及DM组中Ⅵ+Ⅱ基因型FKN含量较ⅤⅤ基因型FKN含量明显增加(F=21.216; P=0.000);DN组及DM组中Ⅵ+Ⅱ基因型NF-KB含量较ⅤⅤ基因型含量明显减少(F=15.361; P=0.000);各组不同基因型中IL-6的含量并无显著差异(F=1.387;P=0.053).结论 FKN受体CX3CR1等位基因V249I变异可能与糖尿病肾病的发病危险性下降有关;CX3CR1多态性有可能通过影响肾脏的炎症过程而参与DN的发生发展.
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