The article

“Downregulation of NGAL is Required for the Inhibition of Proliferation and the Promotion of Apoptosis of Human Gastric Cancer MGC-803 Cells”
[Cell Physiol Biochem 2018;50:694–705; DOI: 10.1159/000494236]
by Ming-Yang Han, Jie-Wei Nie, Yuan-Yuan Li, Yuan-Zeng Zhu and Gang Wu

has been retracted by the current and former Publishers and the Editor.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, elements of Figure 1A in this article was presented in another article without justification.
The authors did not respond to requests to comment on the concerns and provide the raw data within the given timeframe despite multiple attempts of contact. The matter has been raised to the corresponding author's institution who did not respond to our request for an investigation. Given the severity of the concerns raised this article is being retracted.
The authors have not responded to our correspondence regarding this retraction despite multiple attempts of contact.