Stochastic fate of <i>p53-</i> mutant epidermal progenitor cells is tilted toward proliferation by UV B during preneoplasia

Abstract excerpt

UV B (UVB) radiation induces clones of cells mutant for the p53 tumor suppressor gene in human and murine epidermis. Here we reanalyze large datasets that report the fate of clones in mice subjected to a course of UVB radiation, to uncover how p53 mutation affects epidermal progenitor cell behavior. We show that p53 mutation leads to exponential growth of clones in UV-irradiated epidermis; this finding is also...

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