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Published on: September 30, 2016
The MET Oncogene as a Therapeutical Target in Cancer Invasive Growth
Paolo Luraghi1, Florian Schelter, Achim Krüger
1Division of Experimental Clinical Molecular Oncology, IRCC - Institute for Cancer Research and Treatment, University of Turin Medical School Candiolo, Italy.
Abstract:
The MET proto-oncogene, encoding the tyrosine kinase receptor for Hepatocyte Growth Factor (HGF) regulates invasive growth, a genetic program that associates control of cell proliferation with invasion of the extracellular matrix and protection from apoptosis. Physiologically, invasive growth takes place during embryonic development, and, in post-natal life, in wound healing and regeneration of several tissues. The MET oncogene is overexpressed and/or genetically mutated in many tumors, thereby sustaining pathological invasive growth, a prerequisite for metastasis. MET is the subject of intense research as a target for small molecule kinase inhibitors and, together with its ligand HGF, for inhibitory antibodies. The tight interplay of MET with the protease network has unveiled mechanisms to be exploited to achieve effective inhibition of invasive growth.
Insights
The MET proto-oncogene regulates invasive growth, crucial for development and healing. Aberrant MET signaling drives cancer metastasis, making it a key therapeutic target for novel inhibitors and antibodies.
Area of Science:
- Oncology
- Molecular Biology
- Cell Biology
Background:
- The MET proto-oncogene encodes a tyrosine kinase receptor for Hepatocyte Growth Factor (HGF).
- MET signaling regulates invasive growth, a process involving cell proliferation, extracellular matrix invasion, and apoptosis resistance.
- Physiological roles include embryonic development, wound healing, and tissue regeneration.
Purpose of the Study:
- To investigate the role of MET proto-oncogene in pathological invasive growth and metastasis.
- To explore MET as a therapeutic target for cancer treatment.
- To understand the interplay between MET and the protease network for effective inhibition strategies.
Main Methods:
- Analysis of MET proto-oncogene expression and mutations in tumors.
- Investigating small molecule kinase inhibitors targeting MET.
- Developing inhibitory antibodies against MET and its ligand HGF.
- Studying the interaction of MET with the protease network.
Main Results:
- MET overexpression and/or mutations are associated with pathological invasive growth and metastasis in various tumors.
- MET signaling sustains tumor progression and is a critical factor in metastasis.
- Targeting MET with kinase inhibitors or antibodies shows promise for cancer therapy.
- Exploiting the interplay between MET and proteases offers new avenues for therapeutic intervention.
Conclusions:
- The MET proto-oncogene is a critical regulator of invasive growth, with dysregulation driving cancer metastasis.
- Targeting MET and its signaling pathway presents a promising strategy for developing novel anti-cancer therapies.
- Understanding the MET-protease network interactions is key to achieving effective inhibition of pathological invasive growth.
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