Research Perspectives:

The tumor suppressor p53 connects ribosome biogenesis to cell cycle control: a double-edged sword

Michael Hölzel, Kaspar Burger, Bastian Mühl, Mathias Orban, Markus Kellner and Dirk Eick _

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Oncotarget. 2010; 1:43-47. https://doi.org/10.18632/oncotarget.107

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Received: February 23, 2010, Accepted: April 18, 2010, Published: May 1, 2010

Since its first description more than 30 years ago p53 has become a paradigm for a protein with versatile functions. P53 sensitizes a large variety of genetic alterations and has been entitled the guardian of the genome. Stabilization of p53 upon DNA damage is accompanied by a complex pattern of modifications, which ascertain the cellular response either in the direction of a reversible or irreversible cell cycle arrest or programmed cell death. More recently it became evident that p53 also responds to non-genotoxic cell stress, in particular if ribosome biogenesis is affected.


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