Fig. 2From: In vitro chondrogenic potency of surplus chondrocytes from autologous transplantation procedures does not predict short-term clinical outcomesDedifferentiation of chondrocytes in monolayer culture. Comparison of COL2A1 and COL1A1 gene expression by qPCR in control and donor cells (n = 14, passage 3–6) in monolayer culture. Control: Freshly isolated OA chondrocytes; ND: Not detectedBack to article page