2023
Serendipitous Discovery of T Cell–Produced KLK1b22 as a Regulator of Systemic Metabolism
Arwood M, Sun I, Patel C, Sun I, Oh M, Bettencourt I, Claiborne M, Chan-Li Y, Zhao L, Waickman A, Mavrothalassitis O, Wen J, Aja S, Powell J. Serendipitous Discovery of T Cell–Produced KLK1b22 as a Regulator of Systemic Metabolism. ImmunoHorizons 2023, 7: 493-507. PMID: 37358498, PMCID: PMC10580127, DOI: 10.4049/immunohorizons.2300016.Peer-Reviewed Original ResearchConceptsGlucose toleranceT cellsSystemic metabolismGenome ProjectWild-type T cellsMicroarray analysisCell differentiationNovel roleRhebMammalian targetInsulin receptorT cell differentiationReduced glucose toleranceMarked increaseStrains of miceBeige fatExpressionInsulin sensitivityOverexpressionSystemic overexpressionMetabolismCellsMiceToleranceFurther studies
2019
Glutamine blockade induces divergent metabolic programs to overcome tumor immune evasion
Leone R, Zhao L, Englert J, Sun I, Oh M, Sun I, Arwood M, Bettencourt I, Patel C, Wen J, Tam A, Blosser R, Prchalova E, Alt J, Rais R, Slusher B, Powell J. Glutamine blockade induces divergent metabolic programs to overcome tumor immune evasion. Science 2019, 366: 1013-1021. PMID: 31699883, PMCID: PMC7023461, DOI: 10.1126/science.aav2588.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAzo CompoundsCaproatesCD8-Positive T-LymphocytesCitric Acid CycleEnergy MetabolismFemaleGlucoseGlutamineImmunologic MemoryImmunotherapy, AdoptiveLymphocyte ActivationLymphocytes, Tumor-InfiltratingMaleMice, Inbred BALB CMice, Inbred C57BLNeoplasms, ExperimentalTumor EscapeTumor MicroenvironmentConceptsEffector T cellsT cellsTumor immune evasionCancer cellsPotent antitumor responsesImmune cell functionAntitumor responseImmunosuppressive microenvironmentTumor immunotherapyCancer immunotherapyMice suppressesImmune evasionCell functionOxidative metabolismGlycolytic metabolismGlutamine antagonistImmunotherapyMetabolic characteristicsMetabolic programsTumorsMetabolic checkpointDivergent changesMetabolismCellsAntagonism
2016
Deletion of mTORC1 Activity in CD4+ T Cells Is Associated with Lung Fibrosis and Increased γδ T Cells
Vigeland C, Collins S, Chan-Li Y, Hughes A, Oh M, Powell J, Horton M. Deletion of mTORC1 Activity in CD4+ T Cells Is Associated with Lung Fibrosis and Increased γδ T Cells. PLOS ONE 2016, 11: e0163288. PMID: 27649073, PMCID: PMC5029914, DOI: 10.1371/journal.pone.0163288.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBleomycinCD4-Positive T-LymphocytesDisease Models, AnimalInterleukin-17MacrophagesMechanistic Target of Rapamycin Complex 1MiceMice, KnockoutMultiprotein ComplexesNeutrophilsPulmonary FibrosisReceptors, Antigen, T-Cell, gamma-deltaSignal TransductionT-Lymphocyte SubsetsTOR Serine-Threonine KinasesConceptsΓδ T cellsTh17 cellsDevelopment of fibrosisT cellsPulmonary fibrosisIL-17AChronic inflammationCytokines IL-17ADevelopment of bleomycinNovel therapeutic targetLung dysfunctionLung neutrophilsProgressive fibrosisLung fibrosisM2 macrophagesTherapeutic targetFibrosisIncurable diseaseInflammationMortalityBleomycinCellsILCritical rolePrior studiesAsymmetric inheritance of mTORC1 kinase activity during division dictates CD8+ T cell differentiation
Pollizzi K, Sun I, Patel C, Lo Y, Oh M, Waickman A, Tam A, Blosser R, Wen J, Delgoffe G, Powell J. Asymmetric inheritance of mTORC1 kinase activity during division dictates CD8+ T cell differentiation. Nature Immunology 2016, 17: 704-711. PMID: 27064374, PMCID: PMC4873361, DOI: 10.1038/ni.3438.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsCD8-Positive T-LymphocytesCell DifferentiationCell DivisionCell SurvivalCells, CulturedFemaleGlycolysisImmunologic MemoryLipid MetabolismLysosomesMaleMechanistic Target of Rapamycin Complex 1MiceMice, Inbred C57BLMice, TransgenicMultiprotein ComplexesPrecursor Cells, T-LymphoidProtein TransportReceptors, Antigen, T-CellSignal TransductionTOR Serine-Threonine Kinases