Fig. 2From: Transforming growth factor-β stimulates nerve growth factor production in osteoarthritic synoviumImmunolocalization of TGF-β and NGF in synovial tissue.Representative micrographs showing NGF (a) and TGF-β (b) protein expression (brown label) in the synovial lining layer. Region enclosed by dotted lines indicates the synovial lining layer. Scale bar = 100 μmBack to article page