Replication licensing--defining the proliferative state?

Replication licensing--defining the proliferative state?
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DOI:
10.1016/s0962-8924(01)02203-6
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发表时间:
2002-02
影响因子:
19
通讯作者:
Hodgson, B
Hodgson, B
中科院分区:
生物学1区
文献类型:
--
作者:
Blow, JJ;Hodgson, B

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真核细胞的增殖是一个高度调节的过程,依赖于每个细胞周期中染色体DNA的精确复制。复制许可系统的调节促进称为Mcm 2 -7的蛋白质复合物组装到复制起点上,负责防止单个细胞周期中DNA的再复制。最近的工作表明,许可系统是如何直接控制细胞周期蛋白依赖性激酶(CDK)。抑制来源许可正在成为一种普遍存在的途径,通过这种途径,增殖能力降低,Mcm 2 -7蛋白显示出作为早期癌症阶段诊断标志物的前景。这些结果促使我们提出了增殖状态和非增殖状态(包括G 0)之间的功能区别,这取决于起源是否被许可。
The proliferation of eukaryotic cells is a highly regulated process that depends on the precise duplication of chromosomal DNA in each cell cycle. Regulation of the replication licensing system, which promotes the assembly of complexes of proteins termed Mcm2-7 onto replication origins, is responsible for preventing re-replication of DNA in a single cell cycle. Recent work has shown how the licensing system is directly controlled by cyclin-dependent kinases (CDKs). Repression of origin licensing is emerging as a ubiquitous route by which proliferative capacity is lowered, and Mcm2-7 proteins show promise as diagnostic markers of early cancer stages. These results have prompted us to propose a functional distinction between the proliferative state and the non-proliferative state (including G0) depending on whether origins are licensed.
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发表时间: 1997-05-27
影响因子: 11.1
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