MMP2, MMP9, and RANKL expression in AAAs.

<p><b>A</b>. Immunohistochemical staining for indicated proteins of serial sections of aortas one week after CaCl<sub>2</sub> treatment. Elastic van Gieson staining is also shown. SM α-actin and F4/80 were stained to locate SMCs and macrophages, respectively. Shown are representative images of 4 or more samples in each group. Scale bars, 50 µm. <b>B</b>. Relative positive staining area of MMP2, MMP9, and RANKL in sections from control diet and EPA diet groups. <i>n</i> = 4–5. *<i>P</i><0.05.</p>