Harpagoside Rescues the Memory Impairments in Chronic Cerebral Hypoperfusion Rats by Inhibiting PTEN Activity. Chen C, Zhang H, Xu H, Xue R, Zheng Y, Wu T, Lian Y J Alzheimers Dis. 2018; 63(2):445-455. PMID: 29614669. Abstract Comment Bookmark Recommend Follow Comment | Bookmark | Recommend | Follow