Figure 1.

The wound healing response of the skin. There are five key stages in the wound healing response: hemostasis (1), inflammation (2), granulation tissue formation (3), wound contraction and reepithelialization (4), and remodeling (5). Critical cell types, GFs, and cytokines that regulate each stage of the wound healing response are indicated. ECM, extracellular matrix; EGF, epidermal growth factor; FGF, fibroblast growth factor; G-CSF, granulocyte colony-stimulating factor; GM-CSF, granulocyte-macrophage colony-stimulating factor; HA, hyaluronic acid; IL, interleukin; MMP, matrix metalloproteinases; PDGF, platelet-derived growth factor; TGF, transforming growth factor; tPA, tissue plasminogen activator; uPA, urokinase-type plasminogen activator; VEGF, vascular endothelial growth factor. Color images are available online.