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Schematic diagram of the function of DPSC-Exos in accelerating cutaneous wound healing in mice by promoting the angiogenesis of HUVECs via the Cdc42/p38 MAPK signaling pathway. DPSC, dental pulp stem cell; Exo, exosome; HUVECs, human umbilical vein endothelial cells; MAPK, mitogen-activated protein kinase; Cdc42, cell division control protein 42; p-, phosphorylated.
