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

“Lycium Barbarum Polysaccharides Alleviates Oxidative Damage Induced by H2O2 Through Down-Regulating MicroRNA-194 in PC-12 and SH-SY5Y Cells”
[Cell Physiol Biochem 2018;50:460-472. DOI: 10.1159/000494159]
by Tong Niu, Liuzhong Jin, Shizhen Niu, Cunqi Gong and Hui Wang.

After the publication of this article, concerns were raised about the integrity of some of the data presented. The authors responded to our request for the raw data but did not provide the complete dataset. The authors were unresponsive to follow-up correspondence within the given timeframe. The matter has been raised to the corresponding author's institution who has not responded to our correspondence. Readers should thus interpret the data presented in the article with caution. Appropriate editorial action will be taken once the investigation is concluded.