Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Double immunohistochemical staining of 5 μm sections of a coronary endarterectomy specimen showing smooth muscle cells and macrophages expressing MMP-9. (A) FITC staining of MMP-9. (B) AMCA staining of CD68. (C) AMCA staining of α smooth muscle cell actin. Upward arrows indicate cells positive for α smooth muscle cell actin and MMP-9 stain. Downward arrows indicate cells positive for CD68 and MMP-9 stain. (Original magnification ×400).
