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No change in p53 protein expression in the B-5Cr survivor subpopulation. p53 protein expression was determined in untreated (CTRL) cells or after a 24 h exposure to 9 μM Na2CrO4 (9 μM Cr) in BJ-hTERT and B-5Cr cells. Protein samples were isolated 2 h after treatment and analysed by Western blotting with a p53-specific monoclonal antibody. Blots are representative of three independent experiments.
