Induced AIM2 expression can promote MCF-7 cell apoptosis through a mitochondrial mechanism. Note: A. Western blot analysis was performed with a cytochrome c antibody. B. The expression of PARP, cleaved caspase 9, cleaved caspase 7, Bad, Bax, and Bcl-xL in experimental cells. C. The expression of PARP, cleaved caspase 9, cleaved caspase 7, Bad, Bax, and Bcl-xL in control cells.