Figure 3From: Spinning around or stagnation - what do osteoblasts and chondroblasts really like? Chondrogenic differentiaion: no specific antigen detectable (-), < 10% positive adherent cells (+), 10-59% positive adherent cells (++), 60-100% positive adherent cels (+++); COMP: chondrogenic oligometric matrix protein; CP: cartilage proteoglycan; Runx2: runt-related transcription factor-2; CD34: hematopoietic antigen CD34; CD105: mesenchymal marker CD105.Back to article page