Fig. 4From: Effect of Enterococcus faecalis OG1RF on human calvarial osteoblast apoptosisIntrinsic and extrinsic apoptotic pathways were involved in E. faecalis-infected osteoblasts. The activity of caspase-3 a, caspase-8 b, and caspase-9 c was significantly increased in the infected cells compared with the non-infected cells. **P < 0.01 versus the control groupBack to article page