Signaling to p53: ribosomal proteins find their way.
Signaling to p53: ribosomal proteins find their way.
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DOI:
10.1016/j.ccr.2009.09.024
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发表时间:
2009-11-06
期刊:
影响因子:
50.3
通讯作者:
Lu H
中科院分区:
文献类型:
--
作者:
Zhang Y;Lu H
Inherently disparate cell growth and division, which are intimately coupled through a delicate network of intracellular and extracellular signaling, require ribosomal biogenesis. A number of events imparting instability to ribosomal biogenesis can cause nucleolar stress. In response to this stress, several ribosomal proteins bind to MDM2 and block MDM2-mediated p53 ubiquitination and degradation, resulting in p53-dependent cell cycle arrest. By doing so, the ribosomal proteins play a crucial role in connecting deregulated cell growth with inhibition of cell division. The ribosomal protein-MDM2-p53 signaling pathway provides a molecular switch that may constitute a surveillance network monitoring the integrity of ribosomal biogenesis.
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