The article

“In Vitro Effects of HAS-2 Gene Silencing on the Proliferation and Apoptosis of the MCF-7 Human Breast Cancer Cell Line”
[Cell Physiol Biochem 2016;40:807-817. DOI: 10.1159/000453140]
by Hong-Yan Zhang, Feng Liang, Fei Wang, Jian-Wei Zhang, Li Wang, Xi-Gang Kang, Jie Wang and Qi-Liu Duan

has been retracted by the current and former Publishers and the Editor.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 2 in this article were presented in other articles 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.