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目的:研究儿童白血病与家居装修及DNA依赖蛋白激酶催化亚单位(DNA-PKcs)表达的关系。方法:采用11∶配比病例对照研究方法,病例与对照按年龄、性别、民族配比,应用条件Logistic回归模型分析资料;采用免疫组化SP法检测骨髓组织中DNA-PKcs。结果:母亲怀孕期间装修(OR=5.14)装修后入住时间(OR=0.37)及入住时期气味(OR=2.81)与儿童白血病的发生有关;DNA-PKcs在儿童白血病组的阳性表达率低于对照组(2χ=7.898,P<0.01)。结论:家居装修是儿童白血病的重要危险因素,DNA-PKcs的低水平表达和白血病的发生有关。
Objective: To study the relationship between childhood leukemia and home improvement and DNA-PKcs expression. Methods: The proportion of 11 case-control study methods, cases and controls by age, gender, ethnicity, application conditions Logistic regression model analysis of data; using immunohistochemical SP method to detect DNA-PKcs in bone marrow. Results: During maternal pregnancy (OR = 5.14), the occupancy time (OR = 0.37) and odor during admission (OR = 2.81) were correlated with the occurrence of childhood leukemia. The positive rate of DNA-PKcs in childhood leukemia was lower than that of control Group (2χ = 7.898, P <0.01). Conclusion: Home decoration is an important risk factor for childhood leukemia. The low level expression of DNA-PKcs is related to the occurrence of leukemia.