The article

“circZMYM2 Competed Endogenously with miR-335-5p to Regulate JMJD2C in Pancreatic Cancer”
[Cell Physiol Biochem 2018;51:2224-2236; DOI: 10.1159/000495868]
by Yong An, Huihua Cai, Yue Zhang, Shengyong Liu, Yunfei Duan, Donglin Sun, Xuemin Chen and Xiaozhou He
has been retracted by the current and former Publishers and the Editor.

After the publication of this article, concerns were raised about the integrity of some of the data presented. Specifically, element of Figure 3A and 6F in this article was presented in other articles.
When asked to comment, the authors stated that a third party did the animal experiments and that there was improper data storage. As it is not possible to be certain that the data in the article is an accurate reflection of the conditions described in the manuscript, the results of the article can not be considered reliable and the article is being retracted.
A corresponding author, Xiaozhou He, agreed to the retraction on behalf of all authors.