OBI1 and hepatocellular carcinoma: ChIP assays revealed that levels of both β‐catenin and YAP1 were dramatically increased at P2 region (−1500 bp ≈ −1000 bp) on LGALS3 promoter in RNF219‐overexpressed or α‐catenin‐silenced HCC cells (Figure 6C and Figure S5G, Supporting Information).