Fig. 5.

After treatment of the supernatant of nucleus pulposus cells containing FasL for 48 h, Western blot analysis shows increased expression of cleaved caspase-8, -9 and -3 in the lysates of MCF-7 breast cancer cells compared with that of controls. Human stomach and tonsil cells were used as the positive controls for caspase-8, -9 and -3, respectively