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. 2013 Sep 3;14(9):18041–18055. doi: 10.3390/ijms140918041

Figure 8.

Figure 8

The proposed mechanisms for ziyuglycoside II induced cell cycle arrest and apoptosis in MDA-MB-435 cells. Ziyuglycoside II increased the accumulation of ROS, which resulted in the up-regulated expression of p53, p21 and Bax but down regulated expression of Bcl-2 in MDA-MB-435 cells. Consequently, the mitochondrial membrane potential (MMP) was reduced and then accelerated the release of cytochrome c into cytoplasm leading to the apoptosis of MDA-MB-435 cells via the caspase-3 and caspase-9 dependent pathway.