DKK1 and hepatocellular carcinoma: The expression of KB-68A7.1 was inversely correlated with that of Wnt/β-catenin targets MYC, AXIN2, and DKK1 in HCC tissues, according to TCGA LIHC dataset (Figures 7G–I), supporting the clinical relevance between KB-68A7.1 and Wnt/β-catenin signalling in vivo.