Figure 3. The expression of SIRT1 in aging MII oocytes derived from control and resveratrol-treated mice in vivo. (A) The expression of SIRT1 mRNA detected by quantitative RT-PCR. Error bar denotes SEM of three experiments. (B) Western blot detection of SIRT protein levels in aging MII oocytes from control and resveratrol-treated mice. (C) Quantitative analysis of gray intensity in control and resveratrol-treated groups.