Figure 5From: Matrix metalloproteinase-3 inhibitor retards treadmill running-induced cartilage degradation in rats Immunohistochemical staining of MMP-3 and the percentage of MMP-3 positive chondrocyte in all groups (A: SED group; B: HIR group; C: HIRI1group; D: HIRI2 group; E: negative control).* P < 0.05 compared to SED group; # P < 0.05 compared to HIR group.Back to article page