Article
APC-mediated downregulation of beta-catenin activity involves nuclear sequestration and nuclear export.
EMBO reports - 1 Dec 2000
Neufeld K L, Zhang F, Cullen B R, White R L
Abstract excerpt
Mutational inactivation of adenomatous polyposis coli (APC) initiates most colon carcinomas. APC functions include targeting cytoplasmic beta-catenin, a Wnt pathway mediator, for proteolysis. Although APC shuttles between cytoplasm and nucleus, the role of nuclear APC protein, particularly with respect to nuclear beta-catenin levels and activity, remains unclear. Here, we demonstrate that APC lacking functional...
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