Interactions between ICAT and β-catenin mutants, K312E, K435E and R386G in Lu1205 cell extracts: Consequences on <i>NEDD9</i> promoter activity.
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<p><b>A</b>. Left: WB analysis of lysates (Input) from Lu1205 cells transfected with WT or mutant HA-tagged β-catenin constructs; right: Pull-down assay of HA-tagged WT and mutant β-catenin (K312E, K435E and R386G) by WT ICAT-GST recombinant protein. <b>B</b>. Left: WB analysis of lysates (Input) from Lu1205 cells transfected with WT or mutant HA-tagged β-catenin constructs; right: Pull-down assay of HA-tagged WT and mutant β-catenin (K312E and K435E) by LEF1-GST recombinant protein. <b>C</b>. Lu1205 cells were transiently transfected with <i>NEDD9</i>::<i>luciferase</i> and either <i>β-catenin-WT</i> or <i>β-catenin</i> mutants <i>(K312E</i>, <i>K435E and R386G)</i> expression vectors. <b>D</b>. Lu1205 cells were transiently transfected with <i>NEDD9</i>::<i>luciferase</i> vector in the presence of <i>CMV</i>::<i>LEF1</i>. Cells were also transfected with <i>β-catenin-WT</i> or <i>β-catenin</i> mutants <i>(K312E</i>, <i>K435E and R386G)</i> expression vectors. Data are presented as means ± SEM of three independent experiments. *p<0.05, **p<0.01, ***p<0.001, ns = not significant.</p