Figure 4.
Effect of NPM1 gene silencing on the apoptosis of K562 cells. Caspases activities in the cells were measured by spectrophotometry. The relative activities of caspases in K562 cells were set as 1, and the values of other groups were standardized against it. Both caspase-3 and caspase-8 activities were significantly increased in K562/pNPM1-shRNA cells. Data were shown as mean ± SD of triplicate experiments, *p<0.05. A, Relative activity of caspase-3; B, Relative activity of caspase-8.