Fig. 1From: Transforming growth factor-β stimulates nerve growth factor production in osteoarthritic synoviumCorrelation between the mRNA levels of NGF and TGFB, TNFA, and IL1B in synovial tissue.Relationship between NGF and TGFB (a), TNFA (b), and IL1B (c) in synovial tissue extracted from 107 patients with knee osteoarthritisBack to article page