(I) Bim(EL)/control siRNA, Bim(EL)/Bim siRNA, Bim(EL) EE/control siRNA, Bim(EL) EE/Bim siRNA, vector/control siRNA, and vector/Bim siRNA were transfected into HeLa cells. Blots were probed with the indicated antibodies. Data are shown as mean ± SD. ∗∗p < 0.01. 