Article
PITX2 and beta-catenin interactions regulate Lef-1 isoform expression.
Molecular and cellular biology - 1 Nov 2007
Amen Melanie, Liu Xiaoming, Vadlamudi Usha, Elizondo Gabriela, Diamond Evan, Engelhardt John F, Amendt Brad A
Abstract excerpt
Lef-1 and PITX2 function in the Wnt signaling pathway by recruiting and interacting with beta-catenin to activate target genes. Chromatin immunoprecipitation (ChIP) assays identified the Lef-1 promoter as a PITX2 downstream target. Transgenic mice expressing LacZ driven by the 2.5-kb LEF-1 promoter demonstrated expression in the tooth epithelium correlated with endogenous Lef-1 FL epithelial expression. PITX2...
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