Figure 3From: Constitutive upregulation of the transforming growth factor-β pathway in rheumatoid arthritis synovial fibroblastsTransforming growth factor (TGF)-β1 protein expression in osteoarthritis (OA) synovial fibroblast (SFBs) (n = 4) and rheumatoid arthritis (RA) SFBs (n = 6), as assessed by SDS-PAGE/western blotting. Bars indicate the optical density of the protein bands (median ± 75th and 25th percentiles) relative to the β-actin control.Back to article page