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Cartilage associated gene/protein expression of repaired cartilage in vivo. (a) Real-time PCR for COL1A1, COL2A1, COL10, SOX9 and ACAN of the defects at 4 weeks, 12 weeks, 26 weeks and 52 weeks after transplantation; n=6. (b) Western blot results of COL1A1 and COL2A1 at different post-transplantation time, respectively. (c) Normalized expression of COL1A1 and COL2A1 in response to WB analysis; n=6. Error bars, mean±S.D. *, #P<0.05; **, ##P<0.01; ***, ###P<0.001
