Several growth factors are involved in preventing or enhancing intestinal epithelial repair. HGF, hepatocyte growth factor; EGF, epidermal growth factor; IGF, insulin-like growth factor; HB-EGF, heparin binding EGF-like growth factor; KGF, keratinocyte growth factor; GLP-2, glucagon-like peptide-2; TFF, trefoil factor family; ITF, intestinal trefoil factor