The tumour-suppressor protein p53 is often mutated in cancer. But it seems that p53 deficiency is not all bad, and inhibiting this protein might mitigate toxic side effects of chemotherapy and radiotherapy.
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Berns, A. Can less be more for p53?. Nature 443, 153–154 (2006). https://doi.org/10.1038/443153a
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DOI: https://doi.org/10.1038/443153a
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