The former and current Publishers and Editors are jointly issuing an Expression of Concern on the article entitled

“Lnc-SNHG1 Activates the TGFBR2/SMAD3 and RAB11A/Wnt/β-Catenin Pathway by Sponging MiR-302/372/373/520 in Invasive Pituitary Tumors”
[Cell Physiol Biochem 2018;48:1291-1303; DOI: 10.1159/000492089]
by Heyuan Wang, Guixia Wang, Yufei Gao, Conghai Zhao, Xiaoping Li, Fuqiang Zhang, Chunyan Jiang and Bing Wu.

After the publication of this article, concerns were raised about the integrity of some of the data presented in Figures 2 and 5. An investigation into the concern is ongoing. Readers should thus interpret the data presented in the article with caution. Appropriate editorial action will be taken once the investigation is concluded.