Fig. 2From: Combined use of Diane-35 and metformin improves the ovulation in the PCOS rat model possibly via regulating glycolysis pathwayEffects of DM treatment on the PCNA expression and apoptosis-related mediators expression in the ovary of PCOS rats. a Effects of DM treatment on the PCNA mRNA expression levels in the ovarian tissues from PCOS rats. b-c Effects of DM treatment on the mRNA expression levels of Bax, Bcl-2 and caspase-3 mRNA expression levels in the ovarian tissues from PCOS rats. d IHC analysis of PCNA protein expression in the ovarian tissues of the PCOS rats after different treatments. e TUNEL analysis of apoptotic cells in the ovarian tissues of the PCOS rats after different treatments. N = 6. Significant differences between treatment groups were indicated as *P < 0.05, **P < 0.01 and ***P < 0.001Back to article page