Fig. 5

RNF43 regulates the Wnt/β-catenin pathway in GCSLCs. a Western blot of RNF43 expression in cancer cell lines. RNF43 OE leads to downregulation of β-catenin, a key protein in Wnt/β-catenin pathway, as well as reduction of TCF4, C-myc, and Lgr5 expression. b Xenograft tumor tissues were analyzed for RNF43, β-catenin, and Sox-2 expression by immunohistochemistry. Scale bar, 10 μm (black) and 25 μm (red) (Color figure online). OE overexpression