Fig. 5From: Extracellular matrix remodeling in equine sarcoid: an immunohistochemical and molecular study a MMP-9 immunostaining in equine sarcoid. The epidermis (E) shows strong positivity except for rete peg epithelium, SFs are strongly MMP-9 positive (arrows). b Secondary-only negative control. Streptavidin-biotin-peroxidase stain. 20XBack to article page