ADPRT及其对DNA损伤修复的影响
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摘要: ADP-核糖基转移酶(ADPRT)存在于真核细胞核内,在细胞DNA损伤后ADPRT活性明显上升,已经发现ADPRT催化的P(ADPR)反应与DNA链断裂重接、DNA拓扑异构酶活性、染色质稳定性、染色体畸变与姐妹染色单体互换、突变等过程有关。ADPRT抑制剂有希望作为肿瘤治疗的增敏剂而发挥作用。
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