Figure 3From: The active form of MMP-3 is a marker of synovial inflammation and cartilage turnover in inflammatory joint diseases Act-MMP-3 assay measured in AS and RA patients at baseline and after treatment. The concentration of act-MMP-3 significant decreased after anti-TNF-α treatment in (A) AS patients (n = 98) and (B) RA patients (n = 41). (** = P < 0.01, **** = P < 0.0001).Back to article page