Figure 4From: Estrogen and progesterone play pivotal roles in endothelial progenitor cell proliferationEffects of E 2 β or P 4 on the proliferation of EPCs from menstrual phase. A) The effect of E2β on the proliferation of EPCs. B) The effect of P4 on the proliferation of EPCs. *: p < 0.05 vs. control. #: p < 0.05 vs. cells treated with RU486.Back to article page