Figure 1.

Mechanisms of damage. EGF, epidermal growth factor; HIF, hypoxia inducible factor; MMP, matrix metalloproteinase; PDGF, platelet-derived growth factor; TIMP, tissue inhibitor of metalloproteinase; VEGF, vascular endothelial growth factor.

Abate et al. Arthritis Research & Therapy 2009 11:235   doi:10.1186/ar2723
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