Figure 2From: Decreased levels of metalloproteinase-9 and angiogenic factors in skin lesions of patients with psoriatic arthritis after therapy with anti-TNF-αa) Comparison between MMP-9 levels (ng/ml), measured in the sera of 11 patients, before and after 6 weeks of Infliximab monotherapy; b) correlation plot and linear regression line between overall cutaneous expression of disease (PASI score) and MMP-9 serum levels.Back to article page