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. Author manuscript; available in PMC: 2014 Aug 6.
Published in final edited form as: Arthritis Rheum. 2011 Jan;63(1):148–158. doi: 10.1002/art.30086

Figure 3.

Figure 3

Chondrogenic differentiation of hMSCs in P0 OA chondrocyte conditioned medium and P1 OA chondrocyte co-culture system. Real-time PCR for aggrecan, collagen type II, and collagen type I (A) of hMSCs constructs cultured in P0 OA chondrocyte conditioned medium as a function of culture time. Safranin-O (B) and collagen type II (C) staining of hMSC constructs grown in P0 OA chondrocyte conditioned medium after 21 days of culture; scale bar is 100 μm. Real-time PCR for aggrecan, collagen type II, and collagen type I (D) of hMSCs co-cultured with P1 OA chondrocytes as a function of culture time.