Retraction Note:Dickkopf-1 contributes to hepatocellular carcinoma tumorigenesis by activating the Wnt/β-catenin signaling pathway

Retraction to:Signal Transduction and Targeted Therapy https://doi.org/10.1038/s41392-019-0082-5,published online 06 December 2019 The authors have retracted this article.After publication,concerns were raised regarding suspected overlap in the cell images in Figs.2 and 3.Specifically.