Figure 1.

Effects of beta-amyloid peptide (Aβ)(25–35) on PC12 cell viability. PC12 cells were treated with 20 μM Aβ(25–35) for indicated 30 minutes (min) and 1, 3, 6, 12, 24, and 48 hours (h).

MTT assays were performed to detect cell viability. Results are expressed as a ratio of control cells. Data are expressed as mean ± SD from five independent experiments.

^aP < 0.05, vs. control group. Statistical analyses were performed using one-way analysis of variance, followed by the two-tailed Student's t-test.