Cellular senescence is a stable proliferation arrest induced by triggers such as short telomeres, activated oncogenes and genotoxic stress. Two studies show that cellular senescence induced by genotoxic stress depends on chronic DNA-damage signalling from irreparable damage to telomeres. Hence, dysfunctional or damaged telomeres are the initiators of multiple modes of senescence.
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van Tuyn, J., Adams, P. Signalling the end of the line. Nat Cell Biol 14, 339–341 (2012). https://doi.org/10.1038/ncb2476
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DOI: https://doi.org/10.1038/ncb2476
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