The article ‘Circular RNA circPVT1 Promotes Proliferation and Invasion Through Spong- ing miR-125b and Activating E2F2 Signaling in Non-Small Cell Lung Cancer’ [Cell Physiol Biochem 2018;51:2324–2340. DOI: 10.1159/000495876] by Xiuyuan Li, Zenglei Zhang, Hua Jiang, Qiang Li, Ruliang Wang, Hongliang Pan, Yingying Niu, Fenghai Liu, Hongmei Gu, Xingjun Fan and Jinxia Gao has been retracted by the current and former Publishers and the Editor.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, partial duplication of images within Figure 3 and between Figure 3 and Figure 4 of the article was identified. Additionally, images in Figure 2, Figure 4, Figure 5 and Figure 6 were found to also be present in other articles. When asked to com- ment on the concerns the corresponding author stated that the original data is not available for review and requested retraction of the article. As the concerns raised about the figures can not be addressed, the article has been retracted.