2021
mTORC1 Signaling Regulates Proinflammatory Macrophage Function and Metabolism.
Collins S, Oh M, Sun I, Chan-Li Y, Zhao L, Powell J, Horton M. mTORC1 Signaling Regulates Proinflammatory Macrophage Function and Metabolism. The Journal Of Immunology 2021, 207: 913-922. PMID: 34290107, DOI: 10.4049/jimmunol.2100230.Peer-Reviewed Original ResearchConceptsKey regulatorImmune cell functionEnhanced histone acetylationCell functionRapid energy sourceClass III histoneDifferentiation of macrophagesHistone acetylationMacrophage functionMTORC1 signalingCellular metabolismOxidative phosphorylationCell metabolismMTOR signalingGlycolytic metabolismAntimicrobial compoundsGenetic deletionM2 macrophagesMouse macrophagesProper wound healingMetabolic programmingSignificant defectsM1 functionImmune cell metabolismSignaling
2020
Targeting glutamine metabolism enhances tumor specific immunity by modulating suppressive myeloid cells
Oh M, Sun I, Zhao L, Leone R, Sun I, Xu W, Collins S, Tam A, Blosser R, Patel C, Englert J, Arwood M, Wen J, Chan-Li Y, Tenora L, Majer P, Rais R, Slusher B, Horton M, Powell J. Targeting glutamine metabolism enhances tumor specific immunity by modulating suppressive myeloid cells. Journal Of Clinical Investigation 2020, 130: 3865-3884. PMID: 32324593, PMCID: PMC7324212, DOI: 10.1172/jci131859.Peer-Reviewed Original ResearchConceptsMyeloid-derived suppressor cellsTumor-associated macrophagesRecruitment of MDSCsGlutamine metabolismMyeloid cellsTumor growthTumor microenvironmentSuppressive myeloid cellsSuppressive immune cellsTumor-specific immunityMyeloid-derived cellsActivation-induced cell deathDevelopment of metastasesImmunogenic cell deathCell deathAntitumor immunityKynurenine levelsSuppressor cellsIDO expressionSpecific immunityImmune cellsTumor glutamine metabolismImmune evasionInflammatory macrophagesSmall molecule inhibitors
2017
mTORC2 Signaling Selectively Regulates the Generation and Function of Tissue-Resident Peritoneal Macrophages
Oh M, Collins S, Sun I, Tam A, Patel C, Arwood M, Chan-Li Y, Powell J, Horton M. mTORC2 Signaling Selectively Regulates the Generation and Function of Tissue-Resident Peritoneal Macrophages. Cell Reports 2017, 20: 2439-2454. PMID: 28877476, PMCID: PMC5659290, DOI: 10.1016/j.celrep.2017.08.046.Peer-Reviewed Original ResearchConceptsTissue-resident macrophagesMetabolic reprogrammingTissue-specific cuesUnique differentiation programCritical roleDifferentiation programmingPeritoneal resident macrophagesDifferentiation programMTORC2 activationGATA6 expressionPeritoneal macrophagesResident peritoneal macrophagesTissue microenvironmentHomeostatic functionsReprogrammingSelective roleMacrophage generationMacrophage proliferationDifferentiationDependent fashionResident macrophagesMacrophagesM2 macrophagesGATA6Microenvironment
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 studies