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dc.contributor.authorChompunoot Sinthupibulyakiten_US
dc.contributor.authorWanida Ittaraten_US
dc.contributor.authorWilliam H. St. Clairen_US
dc.contributor.authorDaret K. St. Clairen_US
dc.contributor.otherUniversity of Kentucky College of Medicineen_US
dc.contributor.otherUniversity of Kentuckyen_US
dc.contributor.otherMahidol Universityen_US
dc.date.accessioned2018-09-24T08:41:03Z-
dc.date.available2018-09-24T08:41:03Z-
dc.date.issued2010-12-01en_US
dc.identifier.citationInternational Journal of Oncology. Vol.37, No.6 (2010), 1575-1581en_US
dc.identifier.issn17912423en_US
dc.identifier.issn10196439en_US
dc.identifier.other2-s2.0-78649913742en_US
dc.identifier.urihttps://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=78649913742&origin=inwarden_US
dc.identifier.urihttp://repository.li.mahidol.ac.th/dspace/handle/123456789/28587-
dc.description.abstractThe preferential use of aerobic glycolysis for energy production by cancer cells, a phenomenon known as the 'Warburg effect', is well recognized and is being considered for therapeutic applications. However, whether inhibition of glycolysis will be effective in all types of cancer is unclear. The current study shows that a glycolytic inhibitor, 2-deoxy-D-glucose (2DG), exhibits the cytotoxic effect on non-small cell lung cancer in a p53-dependent manner. 2DG significantly inhibits ATP production in p53-deficient lung cancer cells (H358) but not in p53-wt cells (A549). In contrast to p53-wt cells, p53-defective cells are unable to compensate for their need of energy via oxidative phosphorylation (OXPHOS) when glycolysis is inhibited. In the presence of p53, increased ROS from OXPHOS increases the expression of p53 target genes known to modulate metabolism, including synthesis of cytochrome c oxidase 2 (SCO2) and TP53-induced glycolysis and apoptosis regulator (TIGAR). Importantly, 2DG selectively induces the expression of the antioxidant enzymes manganese superoxide dismutase (MnSOD) and glutathione peroxidase 1 (GPx1) in a p53-dependent manner. The results demonstrate that the killing of cancer cells by the inhibitor of glycolysis is more efficient in cancer cells without functional p53 and that p53 protects against metabolic stress by up-regulation of oxidative phosphorylation and modulation of antioxidants.en_US
dc.rightsMahidol Universityen_US
dc.source.urihttps://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=78649913742&origin=inwarden_US
dc.subjectBiochemistry, Genetics and Molecular Biologyen_US
dc.subjectMedicineen_US
dc.titlep53 protects lung cancer cells against metabolic stressen_US
dc.typeArticleen_US
dc.rights.holderSCOPUSen_US
dc.identifier.doi10.3892/ijo-00000811en_US
Appears in Collections:Scopus 2006-2010

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