Retraction: Astragali radix isoflavones synergistically alleviate cerebral ischemia and reperfusion injury via activating estrogen receptor-PI3K-Akt signaling pathway

A Retraction of the Original research article “Astragali Radix Isoflavones Synergistically Alleviate Cerebral Ischemia and Reperfusion Injury Via Activating Estrogen Receptor-PI3K-Akt Signaling Pathway”Gu Y, Chen X, Fu S, Liu W, Wang Q, K-J Shen J (2021) Astragali Receptor□PI3K-Akt Pathway. Front. Pharmacol. 12:533028. doi: 10.3389/fphar.2021.533028"Following publication, concerns were raised regarding integrity images in published figures. The authors failed to provide a satisfactory explanation during investigation, which was conducted accordance with Frontiers' policies."The agree this retraction. This retraction approved by Chief Editors Frontiers Pharmacology Executive Editor