The former and current Publisher and Editor are issuing an Expression of Concern on the article titled “Neuroprotective Effects of Pycnogenol Against Oxygen-Glucose Deprivation/ Reoxygenation-Induced Injury in Primary Rat Astrocytes via NF-κB and ERK1/2 MAPK Pathways”, [Cell Physiol Biochem 2017;42(3): 987–998. DOI:10.1159/000478681] by Ruixue Xia, Chunxue Ji, Leguo Zhang.
After publication of this article, concerns were raised regarding the veracity of the Western blot images in Figures 4C, 5 and 6 images in the article. The authors did not respond to our correspondence within the given timeframe and the matter has been raised to the corresponding author’s institution. Readers should thus interpret the data presented in the article with caution. Appropriate editorial action will be taken once the investigation is concluded.