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Figure 6: YZFDF activated the Akt expression in a dose-dependent manner. Cells were pretreated with or without various concentrations of YZFDF for 2 h and then incubated with 10 μM oligomer for 24 h. The data are shown as mean ± SEM (, control versus Aβ; , , Aβ + YZFDF versus Aβ).