DNA damage level, expression level of DNA damage repair enzymes such as cross-complementing rodent repair deficiency gene 1(ERCC1) ,uracil DNA glyco-sylase(UDG), O6-methylguanine-DNA methyltransferase(MGMT), DNA-dependent protein kinase catalytic subunit(DNA-PKcs) , hMSH2 were measured.
5种DNA损伤修复酶表达水平在1μmol/L、10μmol/L、50μmol/L剂量组依次降低,在100μmol/L、100μmol/L+VitC组依次增加,50μmol/L组各种DNA。
Objective To examine the effect of heat stress on the expression of HSP70 and XPA repair enzyme in A549 cell line.
目的研究热应激作用下A549细胞热休克蛋白70(HSP70)和XPA修复酶的表达规律及其可能的意义。