Abstract:
:Hepatocyte growth factor/scatter factor (HGF/SF) and its receptor, c-Met, have been implicated in the growth and progression of a variety of solid human tumors. Thus, inhibiting HGF/SF:c-Met signaling may provide a novel therapeutic approach for treating human tumors. We have generated and characterized fully human monoclonal antibodies that bind to and neutralize human HGF/SF. In this study, we tested the effects of the investigational, human anti-human HGF/SF monoclonal antibody, AMG 102, and a mixture of mouse anti-human HGF/SF monoclonal antibodies (Amix) on HGF/SF-mediated cell migration, proliferation, and invasion in vitro. Both agents had high HGF/SF-neutralizing activity in these cell-based assays. The HGF/SF:c-Met pathway has been implicated in the growth of sarcomas; thus, we also investigated the effect of AMG 102 on the growth of human leiomyosarcoma (SK-LMS-1) in HGF/SF transgenic C3H severe combined immunodeficient mice engineered to express high levels of human HGF/SF, as well as tumor growth of an autocrine variant of the SK-LMS-1 cell line (SK-LMS-1TO) in nude mice. The results indicate that interrupting autocrine and/or paracrine HGF/SF:c-Met signaling with AMG 102 has profound antitumor effects. These findings suggest that blocking HGF/SF:c-Met signaling may provide a potent intervention strategy to treat patients with HGF/SF:c-Met-dependent tumors.
journal_name
Mol Cancer Therjournal_title
Molecular cancer therapeuticsauthors
Gao CF,Xie Q,Zhang YW,Su Y,Zhao P,Cao B,Furge K,Sun J,Rex K,Osgood T,Coxon A,Burgess TL,Vande Woude GFdoi
10.1158/1535-7163.MCT-09-0125subject
Has Abstractpub_date
2009-10-01 00:00:00pages
2803-10issue
10eissn
1535-7163issn
1538-8514pii
8/10/2803journal_volume
8pub_type
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