Article
Nucleo-cytoplasmic shuttling of Axin, a negative regulator of the Wnt-beta-catenin Pathway.
The Journal of biological chemistry - 13 Feb 2004
Wiechens Nicola, Heinle Karolin, Englmeier Ludwig, Schohl Anne, Fagotto François
Abstract excerpt
Axin is a negative regulator of the Wnt pathway essential for down-regulation of beta-catenin. Axin has been considered so far as a cytoplasmic protein. Here we show that, although cytoplasmic at steady state, Axin shuttles in fact in and out of the nucleus; Axin accumulates in the nucleus of cells treated with leptomycin B, a specific inhibitor of the CRM1-mediated nuclear export pathway and is efficiently...
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