| Growth factor | Source | Wound healing related functions |
| PDGF | Platelets, macrophages, endothelial cells, injured cells | Chemotaxis, fibroblast proliferation, collagenase production |
| TGF-β | Macrophages, platelets, neutrophils, lymphocytes, fibroblasts, epithelial and endothelial cells, injured cells | Chemotaxis, fibroblast proliferation, collagen metabolism |
| EGF | Macrophages, platelets, plasma, epithelial cells | Epithelial cells proliferation, granulation tissue formation |
| TGF-α | Activated macrophages, platelets, injured cells, epithelial cells | Epithelial cells proliferation, granulation tissue formation |
| KGF | Fibroblasts | Endothelial cells proliferation |
| IL-1 | Macrophages | Fibroblast proliferation |
| FGF | Macrophages, fibroblasts, pituitary, endothelial cells | Fibroblast proliferation, matrix deposition, wound contraction angiogenesis |
| TNF-α | Macrophages, T lymphocytes | Fibroblast proliferation |
| IGF-1 | Plasma, liver, fibroblasts | Synthesis of sulfated proteoglycans and collagen, fibroblast proliferation |
| IFNs | Lymphocyte, fibroblasts | Inhibition of fibroblast proliferation and collagen synthesis |
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