Fig. 2

Curcumin promoted apoptosis in SO-Rb50 and Y79 cells. a Apoptotic cell rate of cell pre-treated with 30 μM curcumin. b Protein expression levels of apoptosis-associated factors in cell pre-treated with 30 μM curcumin. c Quantitative protein levels. ** P < 0.01, *** P < 0.001 vs. control group