Figure 2From: Synovial expression of IL-15 in rheumatoid arthritis is not influenced by blockade of tumour necrosis factorCo-expression of CD163 (macrophages) and IL-15 in the synovial tissue. Immunofluorescence staining of synovial tissue in rheumatoid arthritis of CD163 (a) and IL-15 neutralizing antibody (b) and double staining with CD163 and IL-15 (c). Original magnification × 250.Back to article page