Running Title: Tumorigenesis of the RON receptor

epidermal growth factor; EMT, epithelial-mesenchymal transition; FAK, focal adhesion kinase; Grb-2, growth factor receptor bound protein 2; HGF, hepatocyte growth factor; HGFL, hepatocyte growth factor-like; JNK; jun N-terminal kinase; JSRV, jaagsiekte sheep retrovirus; mAb, monoclonal antibody; MAPK, mitogen activated protein kinase; MDCK, Madin-Darby canine kidney; MSP, macrophage-stimulating protein; NF-κB, nuclear factor-κB; NGF, nerv