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Cancer gets the Chk'ered flag

Certain oncogenes seem to be able to trigger cellular senescence and growth arrest, thereby holding cancer at bay. Two new studies suggest that oncogenes trigger senescence through activation of a pathway initially described as sensing DNA damage.

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Figure 1: Oncogene expression leads to growth arrest.

Kim Caesar

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Cao, L., Finkel, T. Cancer gets the Chk'ered flag. Nat Med 12, 1354–1356 (2006). https://doi.org/10.1038/nm1206-1354

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