Figure 5. Comparison of TIMP-1 and MMP-9 levels. A: TIMP-1 levels and B: MMP-9 levels. *** indicates p<0.001 when compared to levels before treatment; ^### indicates p<0.001 when compared to the control group. TIMP-1: matrix metalloproteinase inhibitor-1; MMP-9: matrix metalloproteinase-9.