1．1 DNA双链断裂的修复功能 未得到及时修复的DNA双链断裂（double-strand DNA breaks，DSBs）对细胞及 其后代的生存来讲都是非常致命的，它可以直接由电离辐照产生，也可以由于 DNA模板的缺陷在D...
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DNA double-strand breaks 双链断裂 ; dna双链损伤 ; 双链发生断裂
dna double strand breaks dsb dna双链断裂
double-strand breaks of dna dna双链断裂
dna double-strand breaks dsb dna双链断裂
Detecting DNA double-strand breaks(tail moment, TM) after radiation with neutral single cell gel electrophoresis.
用中性单细胞凝胶电泳方法检测辐射后DNA双链断裂（尾矩）。
Moreover, exogenous agents, such as ionizing radiation and some chemicals can result in chromosome translocation and tumorigenesis because of their role on induction of DNA double strand breaks.
此外，外界因素，如电离辐射和某些化学药物等因素使DNA双链断裂，也可能导致染色体转位和癌变。
Different techniques are available with different sensitivity to detect DNA damages such as double strand breaks, single strand breaks, delay DNA repair sites and alkali labile sites.
目前采用的彗星实验有多种，可以检测诸如dna双链断裂、单链断裂、碱不稳定位点等多种类型的DNA损伤。
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