Fig. 1From: Up-regulated expression of E2F2 is necessary for p16INK4a-induced cartilage injury(a) Western blot assay for the expression of Col2A1, p16INK4a and E2F2. (b) Real-time PCR (RT-PCR) for the expression of Col2A1, p16INK4a and E2F2. (c) Western blot assay for the expression of E2F2 in the cells treated with 10 ng/ml IL-1β.*P < 0.05,**P < 0.01 vs. control. Data are shown as mean ± SD, n = 4Back to article page