Fig. 6From: Up-regulated expression of E2F2 is necessary for p16INK4a-induced cartilage injury(a) Cell proliferation was detected by WST-1 cell counting kit. *P < 0.05 vs. control. Data were shown as mean ± SD, n = 5. (b) The expressions of CDC6, MCM6, p16INK4a and E2F2 determined by RT-PCR. Data were shown as mean ± SD, n = 4.*P < 0.05 vs. empty.&P < 0.05, vs. p16INK4aBack to article page