Additional file 4.

Figure S4. Differentiation status of CPC before (t0) and after cultivation in basal (BM), adipogenic (AD), osteogenic (OD) or chondrogenic (CD, micromass culture) differentiation media for four weeks. A: Adipogenic differentiation: (1) house-keeping gene GAPDH; (2) lipoprotein lipase; (3) leptin. B: Osteogenic differentiation: (1) GAPDH; (2) alkaline phosphatase; (3) Osteocalcin; (4) runt-related transcription factor 2. C: Chondrogenic differentiation: (1) GAPDH; (2) collagen type II; (3) collagen type X; (4) cartilage oligomeric matrix protein; (5) aggrecan; (6) Sry-related HMG box (SOX9). CPC: chondrogenic progenitor cells.

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Joos et al. Arthritis Research & Therapy 2013 15:R119   doi:10.1186/ar4299