Fig. 3.
MMP-2 and MMP-9 in aortas of 9-month-old mice untreated or treated with doxycycline since weaning. A to F, representative immunohistochemical staining of aorta from different groups for MMP-2 (A–C) and MMP-9 (D–F). G and H, quantitative presentation of MMP-2 (G) and MMP-9 (H) in tunica media. Values are means ± S.E.M. *, p < 0.05, ANOVA with Tukey post hoc test.