2020
STRIPAK directs PP2A activity toward MAP4K4 to promote oncogenic transformation of human cells
Kim J, Berrios C, Kim M, Schade A, Adelmant G, Yeerna H, Damato E, Iniguez A, Florens L, Washburn M, Stegmaier K, Gray N, Tamayo P, Gjoerup O, Marto J, DeCaprio J, Hahn W. STRIPAK directs PP2A activity toward MAP4K4 to promote oncogenic transformation of human cells. ELife 2020, 9: e53003. PMID: 31913126, PMCID: PMC6984821, DOI: 10.7554/elife.53003.Peer-Reviewed Original ResearchMeSH KeywordsAdaptor Proteins, Signal TransducingAnimalsCalmodulin-Binding ProteinsCell ProliferationCell Transformation, NeoplasticFemaleGene Knockdown TechniquesHEK293 CellsHeterograftsHumansIntracellular Signaling Peptides and ProteinsMicePhosphoprotein PhosphatasesProtein Serine-Threonine KinasesSignal TransductionTranscription FactorsYAP-Signaling ProteinsConceptsStriatin-interacting phosphatase and kinaseSV40 small t antigenB subunitCell transformationPP2A subunitsHippo pathway effector YAP1Regulatory B subunitPP2A B subunitsPP2A-mediated dephosphorylationSmall t antigenInduce cell transformationPP2A functionPP2A complexPP2A activityOncogenic transformationSubunit interactionsPP2AHuman cancersT antigenMAP4K4SubunitAssociated with STCell alterationsPartial lossCells
2016
PP2A Balances Glucose Metabolism and Foxo Activation to Maintain Cellular Redox Homeostasis in Acute Lymphoblastic Leukemia
Xiao G, Chen Z, Daniel B, Chan L, Geng H, Jiang X, Müschen M. PP2A Balances Glucose Metabolism and Foxo Activation to Maintain Cellular Redox Homeostasis in Acute Lymphoblastic Leukemia. Blood 2016, 128: 1056. DOI: 10.1182/blood.v128.22.1056.1056.Peer-Reviewed Original ResearchLineage-specific rolesPro-survival roleLB-100PP2A subunitsRedox homeostasisH2AX phosphorylationUnexpected rolePI3K-AktFunction of PP2AProtein phosphatase 2ACellular redox homeostasisSer/ThrCatalytic subunit CAnti-oxidant gene expressionS6 ribosomal proteinHigh glycolytic fluxRescue effectGrowth competition assaysLeukemia cellsPentose phosphate pathway fluxHigher reactive oxygen species (ROS) levelsReduced cell growthPP2A functionSmall molecule inhibitorsFOXO factors
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