RETRACTION: Y. Wang, Z. He, Q. Yang, and G. Zhou, “XBP1 Inhibits Mesangial Cell Apoptosis in Response to Oxidative Stress via the PTEN/AKT Pathway in Diabetic Nephropathy,” FEBS Open Bio 9, no. 7 (2019): 1249‐1258, https://doi.org/10.1002/2211‐5463.12655. This evidence concerns the gene AKT1 and diabetic kidney disease.