Additional file 2: Figure S2. of CD271+ stromal cells expand in arthritic synovium and exhibit a proinflammatory phenotype

Double CD31/CD271 labeling of synovial tissues. Representative images of synovial tissues labeled for CD271 (red), CD31 (green), and DAPI counterstaining (blue) showing small vessels (a), medium-size vessels (b), and isotype control (c). Original magnification, ×400; bar, 44 μm. (PDF 167 kb)