Fig. 3.

SA does not affect proliferation and apoptosis of OPCs. A, B Representative images of BrdU-positive proliferating cells (red) (A) and TUNEL-positive apoptotic cells (red) (B) in SA (100 μg/mL)- and vehicle-treated OPCs. C, D Ratios of TUNEL⁺/Hoechst⁺ and BrdU⁺/Hoechst⁺ cells in SA (100 μg/mL)- and vehicle-treated groups. Data are shown as mean ± SD. Student’s t-test. Scale bars, 50 μm.