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  3. Combined deletion of Glut1 and Glut3 impairs lung adenocarcinoma growth.
 

Combined deletion of Glut1 and Glut3 impairs lung adenocarcinoma growth.

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BORIS DOI
10.48350/150077
Date of Publication
June 23, 2020
Publication Type
Article
Division/Institute

Institut für Tierpath...

Institut für Patholog...

Author
Contat, Caroline
Ancey, Pierre-Benoit
Zangger, Nadine
Sabatino, Silvia
Pascual, Justine
Escrig, Stéphane
Jensen, Louise
Göpfert, Christine
Institut für Tierpathologie (ITPA)
Lanz, Bernard
Lepore, Mario
Gruetter, Rolf
Rossier, Anouk
Berezowska, Sabina
Neppl, Christina
Zlobec, Intiorcid-logo
Institut für Pathologie, Translational Research Unit
Clerc-Rosset, Stéphanie
Knott, Graham William
Rathmell, Jeffrey C
Abel, E Dale
Meibom, Anders
Meylan, Etienne
Subject(s)

600 - Technology::630...

Series
eLife
ISSN or ISBN (if monograph)
2050-084X
Publisher
eLife Sciences Publications
Language
English
Publisher DOI
10.7554/eLife.53618
PubMed ID
32571479
Uncontrolled Keywords

NanoSIMS cancer biolo...

Description
Glucose utilization increases in tumors, a metabolic process that is observed clinically by 18F-fluorodeoxyglucose positron emission tomography (18F-FDG-PET). However, is increased glucose uptake important for tumor cells, and which transporters are implicated in vivo? In a genetically-engineered mouse model of lung adenocarcinoma, we show that the deletion of only one highly expressed glucose transporter, Glut1 or Glut3, in cancer cells does not impair tumor growth, whereas their combined loss diminishes tumor development. 18F-FDG-PET analyses of tumors demonstrate that Glut1 and Glut3 loss decreases glucose uptake, which is mainly dependent on Glut1. Using 13C-glucose tracing with correlated nanoscale secondary ion mass spectrometry (NanoSIMS) and electron microscopy, we also report the presence of lamellar body-like organelles in tumor cells accumulating glucose-derived biomass, depending partially on Glut1. Our results demonstrate the requirement for two glucose transporters in lung adenocarcinoma, the dual blockade of which could reach therapeutic responses not achieved by individual targeting.
Handle
https://boris-portal.unibe.ch/handle/20.500.12422/39007
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elife-53618-v1.pdfAdobe PDF2.46 MBpublishedOpen
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