Fig. 4From: Umbilical cord-matrix stem cells induce the functional restoration of vascular endothelial cells and enhance skin wound healing in diabetic mice via the polarized macrophagesUCMSCs induced an M2 macrophage immune profile in coculture. The concentrations of several cytokines in the supernatants of LPS-treated macrophages, UCMSCs, or their cocultures were determined by ELISA, respectively. a TNF-α. b IL-6. c IL-10. d VEGF. n = 6 per group. *P < 0.05, **P < 0.01Back to article page