The Role of cMET in Gastric Cancer-A Review of the Literature

Gastric cancer (GC) is an important cause of cancer worldwide with over one million new cases yearly. The vast majority of cases present in stage IV disease, and it still bears a poor prognosis. However, since 2010, progress has been made with the introduction of targeted therapies against HER2 and...

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Veröffentlicht in:Cancers 2023-03, Vol.15 (7), p.1976
Hauptverfasser: Van Herpe, Filip, Van Cutsem, Eric
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description Gastric cancer (GC) is an important cause of cancer worldwide with over one million new cases yearly. The vast majority of cases present in stage IV disease, and it still bears a poor prognosis. However, since 2010, progress has been made with the introduction of targeted therapies against HER2 and with checkpoint inhibitors (PDL1). More agents interfering with other targets (FGFR2B, CLDN18.2) are being investigated. cMET is a less frequent molecular target that has been studied for gastric cancer. It is a proto-oncogene that leads to activation of the MAPK pathway and the PI3K pathway, which is responsible for activating the MTOR pathway. The prevalence of cMET is strongly debated as different techniques are being used to detect MET-driven tumors. Because of the difference in diagnostic assays, selecting patients who benefit from cMET inhibitors is difficult. In this review, we discuss the pathway of cMET, its clinical significance and the different diagnostic assays that are currently used, such as immunohistochemy (IHC), fluorescence in situ hybridization (FISH), the H-score and next-generation sequencing (NGS). Next, we discuss all the current data on cMET inhibitors in gastric cancer. Since the data on cMET inhibitors are very heterogenous, it is difficult to provide a general consensus on the outcome, as inclusion criteria differ between trials. Diagnosing cMET-driven gastric tumors is difficult, and potentially the only accurate determination of cMET overexpression/amplification may be next-generation sequencing (NGS).
doi_str_mv 10.3390/cancers15071976
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subjects 1-Phosphatidylinositol 3-kinase
Bone cancer
c-Met protein
Cancer therapies
Cell growth
Chemotherapy
Clinical trials
Development and progression
Epstein-Barr virus
ErbB-2 protein
Fluorescence in situ hybridization
Gastric cancer
Gene amplification
Genetic aspects
Growth factors
Health aspects
Immune checkpoint inhibitors
Kinases
Ligands
Literature reviews
MAP kinase
Medical prognosis
Mutation
Next-generation sequencing
Oncogenes
Phosphorylation
Prognosis
Protein-tyrosine kinase
Proteins
Review
Stomach cancer
TOR protein
Tumors
title The Role of cMET in Gastric Cancer-A Review of the Literature
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