Figure 1From: Chondrogenic differentiation of human subchondral progenitor cells is affected by synovial fluid from donors with osteoarthritis or rheumatoid arthritisFACS analysis of cultured CSP. Histograms obtained from FACS analysis of culture expanded CSP. Cells were positive for the surface antigens CD 73, CD 90, CD 105 and CD 166 and negative for CD 34 and CD 45. The illustration is representative for all donors in FACS analysis.Back to article page