Retraction Note: Knockdown of FOXO3a induces epithelialmesenchymal transition and promotes metastasis of pancreatic ductal adenocarcinoma by activation of the βcatenin/TCF4 pathway through SPRY2

Retraction Note: J Exp Clin Cancer Res 38, 38 (2019)

https://doi.org/10.1186/s13046-019-1046-x

The Editor-in-Chief has retracted this article. A Correction was published in 2021 [1]. Subsequently concerns have been raised with respect to both the original figures and the figures in the Correction. The authors have not provided a satisfactory response to these concerns and so the Editor-in-Chief no longer has confidence in the data presented. All authors disagree with this retraction.