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. Author manuscript; available in PMC: 2008 Apr 1.
Published in final edited form as: Osteoarthritis Cartilage. 2006 Nov 27;15(4):421–430. doi: 10.1016/j.joca.2006.10.004

Figure 1.

Figure 1

Safranin O staining of normal (A–D) and OA (E–H) chondrocytes cultured in alginate beads. A & E, Cells cultured in the presence of mini-ITS; B & F, Cells cultured in the presence of IGF-1 (100 ng/ml); C & G, Cells cultured in the presence of OP-1 (100 ng/ml); D & H, Cells cultured in the presence of combined OP-1 and IGF-1. Original magnification 400x.