Fig. 1

The effects of different treatments on the vitality of endothelial cells (ECs). The MTT assay was performed to evaluate the vitality of ECs treated with the indicated reagents for 24 h. The results presented are the mean ± SD values of three independent experiments relative to the PBS control. *p < 0.05 vs. the PBS control; ^##p < 0.01 vs. 1.0 µM roxarsone