Figure 8. The expression of SHH, IHH, SMO, GLI-1, Snail, ZEB1, TGF-β1, Col-I, Col-III, E-cad and α-SMA in RWPE-1 cells (n=3 per group). ** p<0.01, * p<0.05 compared to 5% CS. A: vehicle, B: 5% CS, C: CS-30 μmol/L swertiamarin, D: CS-15 μmol/L swertiamarin.