Inactivation of Apc perturbs mammary development, but only directly results in acanthoma in the context of Tcf-1 deficiency.

Abstract excerpt

Apc (adenomatous polyposis coli) encodes a tumour suppressor gene that is mutated in the majority of colorectal cancers. Recent evidence has also implicated Apc mutations in the aetiology of breast tumours. Apc is a component of the canonical Wnt signal transduction pathway, of which one target is Tcf-1. In the mouse, mutations of both Apc and Tcf-1 have been implicated in mammary tumorigenesis. We have...

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