Fig. 4

a,b,e western blotting analysis of parental CGTH-W3 and 8505C cells and transfected sublines for proteins in MAPK signaling pathway (SB, SB203580. *, p < 0.01); c, flow cytometry analysis:apoptosis in parental CGTH-W3 and 8505C cells and transfected sublines (*, p < 0.01); d, caspase-3 activity in parental CGTH-W3 and 8505C cells and transfected sublines (*, p < 0.01)