Fig. 4. Activation of GSK-3β/β-catenin signaling induced by MACROD2 deficiency in HCC cells.
a Human phosphokinase array screening of changes in signaling pathways in HCC cells upon alteration of MACROD2 expression. b Western blot to validate the expression of p-GSK-3β and β-catenin in HCC cells upon alteration of MACROD2 expression. c Results of dual-luciferase assays performed 48 h after transfection of the indicated cells with TOPflash or FOPflash and Renilla pRL-TK plasmids. Reporter activity was normalized to Renilla luciferase activity. **P < 0.01. d Representative images of xenograft-derived tumor sections show p-GSK-3β and β-catenin expression. Scale bars = 100 μm. e Immunofluorescence staining showing subcellular β-catenin localization in the indicated cells. Data are shown as the mean ± SD and are representative of three independent experiments.