Article
Re-evaluating the role of Frat in Wnt-signal transduction.
Cell cycle (Georgetown, Tex.) - 1 Aug 2005
van Amerongen Renée, Berns Anton
Abstract excerpt
Frat proteins are potent activators of canonical Wnt-signal transduction. By binding to GSK3, Frat prevents the phosphorylation and concomitant degradation of beta-catenin and allows the activation of downstream target genes by beta-catenin/TCF complexes. The identification of the Xenopus Frat homologue GBP as an essential component of the maternal Wnt-pathway during embryonic axis formation suggested that Frat...
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