Cellular senescence is a response to genotoxic stress that results in an irreversible cell cycle arrest. Activation of this pathway relies on the activity of the retinoblastoma proteins and proteins of the DNA damage response cascade. Here, we discuss the functional relevance of the switch from pRb/p105 to Rb2/p130 that becomes apparent when cells enter senescent arrest.
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| http://dx.doi.org/10.1002/jcp.22786 | DOI Listing |
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