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Model for the role of classically and alternatively activated macrophages in tissue injury and repair. Abbreviations: EGF, epidermal growth factor; IFNγ, interferon-γ; IL, interleukin; LPS, lipopolysaccharide; RNS, reactive nitrogen species; ROS, reactive oxygen species; TGFβ, transforming growth factor β; TNFα, tumor necrosis factor α; VEGF, vascular endothelial growth factor.
