Fig. 7

A Results of CCK8 assays for the toxicity of Aβ25-35 concentrations on PC12 cells (bar = 100 µm). B–C OD values of eight groups of PC12 cells, and inhibition rate of Aβ25-35 in each group on PC12 cells. P > 0.05, the Control group vs. 1 µm group, there was no significant difference in OD value and cell inhibition rate. *P < 0.05, the Control group vs. other groups. D Results of CCK8 assay for the toxicity of Aβ25-35 concentrations on PC12 cells (bar = 100 µm). E–F OD values of six groups of PC12 cells, and inhibition rate of Aβ25-35 in each group on PC12 cells.*P < 0.05, Control group vs. Aβ group and AST group; #P < 0.05, Aβ + AST + NAM group vs. Aβ + AST group and Aβ + NAM group; @P < 0.05, Aβ + AST group vs. Aβ group