Research Article

Sodium Tanshinone IIA Sulfonate Prevents Radiation-Induced Toxicity in H9c2 Cardiomyocytes

Figure 5

Effects of STS on cardiac cell viability as determined by the MTT assay. The cells were treated with various concentrations (1.25, 2.5, 5, 10, and 20 μg/mL) of STS for 24, 48, and 72 h. The data are expressed as the mean ± SD. versus the control group. All experiments were repeated three times.