Apc1-mediated antagonism of Wnt/beta-catenin signaling is required for retino-tectal pathfinding in the zebrafish.


The tumor suppressor Apc1 is an intracellular antagonist of the Wnt/beta-catenin pathway. We examined the effects of an Apc1 loss-of-function mutation on retino-tectal axon pathfinding in zebrafish. In apc mutants, the retina is disorganized and optic nerves portray pathfinding defects at the optic chiasm and do not project properly to the tectum. Wild-type… (More)
DOI: 10.1089/zeb.2008.0561


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