Transfection and expression of mutant p53 protein does not alter the in vivo or in vitro growth characteristics of the AA/C1 human adenoma derived cell line, including sensitivity to transforming growth factor-beta 1.

Abstract excerpt

Mutation of the p53 gene is thought to be a late event in human colorectal carcinogenesis, involved in the malignant conversion of the adenoma to the carcinoma. One of the questions that we hoped to address was whether, in vivo, a single mutational event in one p53 gene is sufficient to confer a significant growth advantage on a colonic epithelial cell. Such a growth advantage could result either from an increase...

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