Severe polyposis in Apc1322Tmice is associated with submaximal Wnt signalling and increased expression of the stem cell markerLgr5

Abstract excerpt

BACKGROUND AND AIMS: Adenomatous polyposis coli (APC) is a tumour suppressor gene mutated in the germline of patients with familial adenomatous polyposis (FAP) and somatically in most colorectal cancers. APC mutations impair β-catenin degradation, resulting in increased Wnt signalling. The most frequent APC mutation is a codon 1309 truncation that is associated with severe FAP. A previous study compared two mouse...

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