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EXPRESSION OF DELAYED CELL DEATH AND DNA REPAIR IN HUMAN EPITHELIAL CELL LINES FOLLOWING EXPOSURE TO ULTRAVIOLET RADIATION

机译:紫外线照射后人上皮细胞株中细胞死亡的延迟表达和DNA修复

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摘要

The long term effects of UVA and UVB have been investigated using two human epithelial cell lines, Htori-3 (a human thyroid epithelial cell line) and 340 RPE-T53 (a human retinal pigment epithelial cell line). There was a marked difference in clonogenic survival following exposure between the two cell lines. DNA repair studies were undertaken using ara-C treatment. Ara-C administered immediately after UVB exposure, reduced survival in both cell lines indicating that DNA repair was inhibited.
机译:已使用两种人类上皮细胞系Htori-3(人类甲状腺上皮细胞系)和340 RPE-T53(人类视网膜色素上皮细胞系)研究了UVA和UVB的长期作用。在两种细胞系之间接触后,克隆形成存活率存在显着差异。使用ara-C处理进行了DNA修复研究。 UVB暴露后立即施用Ara-C,降低了两种细胞的存活率,表明DNA修复受到抑制。

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