Fig. 1From: Tetrahedral framework nucleic acids for improving wound healingReprinted with permission from Ref. [8]A diagram of the wound healing process. PDGF: platelet-derived growth factor; FGF: fibroblast growth factor; EGF: epidermal growth factor; TGF: transforming growth factor; MCP-1: monocyte chemotactic protein 1. Back to article page