结论苯中毒患者外周血白细胞的DNA复制及损伤修复基因与正常人相比存在差异性表达，为进一步筛选苯中毒生物标志物提供了依据。
Conclusions Some DNA replication, and damage repair genes associated with benzene poisoning show differential expression, which provides the basis for screening biomarkers of benzene poisoning.
目的筛选与苯中毒有关的DNA复制及损伤修复基因。
Objective To screen DNA replication, and damage repair genes associated with benzene poisoning by using gene expression profile analysis.
DNA错配修复系统可以识别并纠正DNA复制过程中出现的错误，保证基因组的稳定性和完整性。
DNA mismatch repair system could recognize and repair mistakes in process of DNA replication, guard stability and integrality of genome.
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