Evidence map›Paper›PMID 28141869›Full record

ArticlePloS one2017

MET-EGFR dimerization in lung adenocarcinoma is dependent on EGFR mtations and altered by MET kinase inhibition.

Elena Ortiz-Zapater, Richard W Lee, William Owen, Gregory Weitsman, Gilbert Fruhwirth, Robert G Dunn, Michael J Neat, Frank McCaughan, Peter Parker, Tony Ng and 1 more

Open access · goldAbstract read
In one paragraph

Article in PloS one, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 18 papers.

0numbers the graph read from it
0cells of the map it votes in
18citing papers in PubMed
1.6field-weighted citation impact, top 16% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

18 citing papers in PubMed, 29 citations in OpenAlex.

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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

11 authors at 3 institutions in 1 country.

Elena Ortiz-ZapaterDivision of Asthma, Allergy and Lung Biology, King's College London, Guy's Hospital, London, United Kingdom.
Richard W LeeDivision of Asthma, Allergy and Lung Biology, King's College London, Guy's Hospital, London, United Kingdom.
William OwenDivision of Asthma, Allergy and Lung Biology, King's College London, Guy's Hospital, London, United Kingdom.
Gregory WeitsmanRichard Dimbleby Department of Cancer Research, Randall Division of Cell and Molecular Biophysics, King's College London, Guy's Medical School Campus, London, United Kingdom.
Gilbert FruhwirthDepartment of Imaging Chemistry and Biology, Division of Imaging Science and Biomedical Engineering, King's College London, The Rayne Institute/St. Thomas' Hospital, London, United Kingdom.
Robert G DunnDepartment of Cancer Genetics, Viapath, Guy's and St Thomas' NHS Foundation Trust, Guy's Hospital, London, United Kingdom.
Michael J NeatDepartment of Cancer Genetics, Viapath, Guy's and St Thomas' NHS Foundation Trust, Guy's Hospital, London, United Kingdom.
Frank McCaughanDivision of Asthma, Allergy and Lung Biology, King's College London, Guy's Hospital, London, United Kingdom.
Peter ParkerDivision of Cancer Studies, King's College London, Guy's Medical School Campus, London, United Kingdom.
Tony NgRichard Dimbleby Department of Cancer Research, Randall Division of Cell and Molecular Biophysics, King's College London, Guy's Medical School Campus, London, United Kingdom.
George SantisDivision of Asthma, Allergy and Lung Biology, King's College London, Guy's Hospital, London, United Kingdom.
Guy's Hospital · GBKing's College London · GBGuy's and St Thomas' NHS Foundation Trust · GB

Funding

Biotechnology and Biological Sciences Research Council BB/G007160/1Cancer Research UK 16463Medical Research Council MR/L001772/1
6 · The paper itself

Abstract

Advanced lung cancer has poor survival with few therapies. EGFR tyrosine kinase inhibitors (TKIs) have high response rates in patients with activating EGFR mutations, but acquired resistance is inevitable. Acquisition of the EGFR T790M mutation causes over 50% of resistance; MET amplification is also common. Preclinical data suggest synergy between MET and EGFR inhibitors. We hypothesized that EGFR-MET dimerization determines response to MET inhibition, depending on EGFR mutation status, independently of MET copy number. We tested this hypothesis by generating isogenic cell lines from NCI-H1975 cells, which co-express L858R and T790M EGFR mutations, namely H1975L858R/T790M (EGFR TKI resistant); H1975L858R (sensitized) and H1975WT (wild-type). We assessed cell proliferation in vitro and tumor growth/stroma formation in derived xenograft models in response to a MET TKI (SGX523) and correlated with EGFR-MET dimerization assessed by Förster Resonance Energy Transfer (FRET). SGX523 significantly reduced H1975L858R/T790M cell proliferation, xenograft tumor growth and decreased ERK phosphorylation. The same was not seen in H1975L858R or H1975WT cells. SGX523 only reduced stroma formation in H1975L858R. SGX523 reduced EGFR-MET dimerization in H1975L858R/T790M but induced dimer formation in H1975L858R with no effect in H1975WT. Our data suggests that MET inhibition by SGX523 and EGFR-MET heterodimerisation are determined by EGFR genotype. As tumor behaviour is modulated by this interaction, this could determine treatment efficacy.

Indexed as

Protein MultimerizationAdenocarcinomaAdenocarcinoma of LungAnimalsCell Line, TumorCell ProliferationErbB ReceptorsExtracellular Signal-Regulated MAP KinasesFocal Adhesion Protein-Tyrosine KinasesHEK293 CellsHumansLung NeoplasmsMice, Inbred BALB CMice, NudeMutationPhosphorylationErbB ReceptorsExtracellular Signal-Regulated MAP KinasesFocal Adhesion Protein-Tyrosine KinasesProtein Kinase InhibitorsProto-Oncogene Proteins c-aktProto-Oncogene Proteins c-met

Identifiers

PMID28141869
PMCPMC5283661
OpenAlexW2585465899

What OpenQuestion holds

Textmetadata
LicenceCC BY
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.