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DFF和CIDE介导细胞凋亡的分子机制 被引量:1

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摘要 DNA裂解因子 (DFF)是由分子量分别为 4 5 k D和 4 0 k D两个亚单位组成的异源二聚体。在细胞凋亡信号启动的 caspase级联活化过程中作为下游 caspase的底物被活化并形成脱氧核糖核酸酶 (DNase) ,从而介导并调节 DNA断裂和染色质凝聚。 DFF作为细胞凋亡信号传递的主要途径在细胞凋亡中起着关键作用。诱导细胞死亡的 DFF4 5样效应因子 (CIDE)是与 DFF同源的诱导凋亡因子 ,CIDE与 DFF在结构、功能和作用上有很大的相似性 ,可发挥诱导凋亡的作用。本文阐述了 DFF和 CIDE在诱导细胞凋亡过程中担当的角色和它们相互作用的机制 ,从而揭示 DFF和 CIDE在细胞凋亡过程中作为传递凋亡信号——
出处 《国外医学(分子生物学分册)》 CSCD 2003年第1期44-47,共4页
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同被引文献16

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