Figure 7From: Type V collagen induces apoptosis of 8701-BC breast cancer cells and enhances m-calpain expressionEffect of calpain inhibitor I on DNA fragmentation in 8701-BC cells cultured onto either type IV or V collagen substrates for 48 and 72 h. Vertical bars indicate the s.e.m. of quadruplicate experiments. *p < 0.05 (treated versus control samples).Back to article page