Figure 1From: Increased expression of carbonic anhydrase I in the synovium of patients with ankylosing spondylitis Two-dimensional polyacrylamide gel electrophoresis of the total protein extracted from the synovial tissues of AS patients. Protein was visualized by staining with colloidal Coomassie Blue. Protein spots indicated by numbers (#5 and #7) were identified by MALDI-TOF MS.Back to article page