Inhibition of Pyruvate Kinase M2 by Reactive Oxygen Species Contributes to Cellular Antioxidant Responses
Anastasiou D, Poulogiannis G, Asara J, Boxer M, Jiang J, Shen M, Bellinger G, Sasaki A, Locasale J, Auld D, Thomas C, Vander Heiden M, Cantley L. Inhibition of Pyruvate Kinase M2 by Reactive Oxygen Species Contributes to Cellular Antioxidant Responses. Science 2011, 334: 1278-1283. PMID: 22052977, PMCID: PMC3471535, DOI: 10.1126/science.1211485.Peer-Reviewed Original ResearchMeSH KeywordsAcetylcysteineAmino Acid SubstitutionAnimalsAntioxidantsCell LineCell Line, TumorCell SurvivalCysteineDiamideEnzyme ActivatorsGlucoseGlutathioneHumansMiceMice, NudeMutant ProteinsNeoplasm TransplantationNeoplasms, ExperimentalOxidation-ReductionOxidative StressPentose Phosphate PathwayProtein SubunitsPyruvate KinaseReactive Oxygen SpeciesTransplantation, HeterologousConceptsPyruvate kinase M2Lung cancer cellsCancer cellsKinase M2Human lung cancer cellsReactive oxygen species contributesInhibition of PKM2Intracellular reactive oxygen species (ROS) concentrationCancer cell survivalCellular antioxidant responseGlycolytic enzyme pyruvate kinase M2Acute increaseXenograft modelReactive oxygen species concentrationMetabolic changesOxidative stressTumor formationGlucose fluxCell survivalIntracellular concentrationAntioxidant responseInhibitionCellsOxygen species concentrationROS