Figure 4.

Immunohistochemical localization of MMP-9 and TGF-beta1 in the kidney of allografts and controls. Immunohistochemical analysis showed that MMP-9 and TGF-beta1 stained in tubulointerstitium and arteriolar walls of allografts and controls (A and C are MMP-9 staining in allografts, B and D are controls. E and G are TGF-beta1 staining in allografts, F and H are controls).