Clinical Study

The Effect of Autologous Platelet-Rich Gel on the Dynamic Changes of the Matrix Metalloproteinase-2 and Tissue Inhibitor of Metalloproteinase-2 Expression in the Diabetic Chronic Refractory Cutaneous Ulcers

Table 2

Dynamic changes of the mean density (MD) of the MMP-2, TIMP-2, and TGF-1 in granulation tissue before and within 15 days after the APG application (IHC).

MMP-2TIMP-2TGF-1

Days after APG application
 D00.0210 ± 0.01350.00282 ± 0.009790.00268 ± 0.00192
 D30.0082 ± 0.00850.00404 ± 0.003710.00443 ± 0.00850
 D60.0042 ± 0.00220.00931 ± 0.004370.00797 ± 0.00118
 D90.0125 ± 0.01210.01368 ± 0.020600.00637 ± 0.00731
 D120.0163 ± 0.01190.00991 ± 0.008700.00276 ± 0.0672
 D150.00261 ± 0.001710.00210 ± 0.002970.00440 ± 0.00291