Retraction.

Retraction: "CUL4B promotes metastasis and proliferation in pancreatic cancer cells by inducing epithelial-mesenchymal transition via the Wnt/β-catenin signaling pathway," by Yue-Ming He, Yu-Sha Xiao, Lei Wei, Jia-Qiang Zhang, Cheng-Hong Peng, J Cell Biochem. 2018; 5308-5323: The above article, published online on 23 December 2017 in Wiley Online Library (https://onlinelibrary.wiley.com/doi/10.1002/jcb.26643) has been retracted by agreement between the journal's Editor in Chief, Prof. Dr. Christian Behl, and Wiley Periodicals LLC. The retraction has been agreed following an investigation based on allegations raised by a third party. A detailed investigation revealed that several image elements of the experimental data were published elsewhere in a different scientific context. Thus, the editors consider the conclusions of this article to be invalid.