Restoration of wild-type p53 in drug-resistant mouse breast cancer cells leads to differential gene expression, but is not sufficient to overcome the malignant phenotype.

Abstract excerpt

We established a breast cancer cell line from a fast growing mouse WAP-SVT/t breast tumor. Cells from this line, SVTneg2, switched off T-antigen expression, carry a missense mutation at the p53 codon 242 (mouse G242 corresponds to human hot spot mutation G245), are malignantly transformed, highly aneuploid and very insensitive to apoptotic stimuli. To examine the influence of wild-type p53 (wtp53) restoration on...

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