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(A–D) Protein levels of Collagen II and Aggrecan. (E,F) mRNA levels of Aggrecan and Collagen II. (G–J) Fluorescence intensity of Aggrecan and Collagen II as determined by immunofluorescence and analyzed with Image-Pro 6.0; scale bar = 50 μm. #P<0.05 versus the Control. *P<0.05, **P<0.01 versus the IL-1β group; n=3.
