Loss of p53 enhances the induction of colitis-associated neoplasia by dextran sulfate sodium.

Abstract

Loss of p53 function is an early event in colitis-associated neoplasia in humans. We assessed the role of p53 in a mouse model of colitis-associated neoplasia. Colitis was induced in p53-/-, p53+/- and p53+/+ mice using three or four cycles of dextran sulfate sodium (DSS) followed by 120 days of water. Mice were examined for incidence, multiplicity and… (More)

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