2024
A Th17 cell-intrinsic glutathione/mitochondrial-IL-22 axis protects against intestinal inflammation
Bonetti L, Horkova V, Grusdat M, Longworth J, Guerra L, Kurniawan H, Franchina D, Soriano-Baguet L, Binsfeld C, Verschueren C, Spath S, Ewen A, Koncina E, Gérardy J, Kobayashi T, Dostert C, Farinelle S, Härm J, Fan Y, Chen Y, Harris I, Lang P, Vasiliou V, Waisman A, Letellier E, Becher B, Mittelbronn M, Brenner D. A Th17 cell-intrinsic glutathione/mitochondrial-IL-22 axis protects against intestinal inflammation. Cell Metabolism 2024, 36: 1726-1744.e10. PMID: 38986617, DOI: 10.1016/j.cmet.2024.06.010.Peer-Reviewed Original ResearchReactive oxygen speciesMitochondrial functionCatalytic subunit of glutamate cysteine ligaseMitochondrial gene expressionDecreased cellular ATPPhosphorylation of 4E-BP1Disrupt mitochondrial functionReduced phosphorylation of 4E-BP1T cell-specific ablationCell's antioxidant mechanismsCell-specific ablationCatalytic subunitIL-22Cellular signalingIntestinal homeostasisIL-22 productionSignificant reactive oxygen speciesSubunit of glutamate cysteine ligaseGene expressionReduced IL-22 productionReduced phosphorylationCellular ATPGut protectionProtein synthesisGlutamate cysteine ligase
2021
Impaired GSH biosynthesis disrupts eye development, lens morphogenesis and PAX6 function
Thompson B, Chen Y, Davidson EA, Garcia-Milian R, Golla JP, Apostolopoulos N, Orlicky DJ, Schey K, Thompson DC, Vasiliou V. Impaired GSH biosynthesis disrupts eye development, lens morphogenesis and PAX6 function. The Ocular Surface 2021, 22: 190-203. PMID: 34425299, PMCID: PMC8560581, DOI: 10.1016/j.jtos.2021.08.010.Peer-Reviewed Original ResearchConceptsHEK293T cellsEye developmentGSH biosynthesisTransactivation activityPax6 functionReactive oxygen speciesSubsequent gene ontologyCell identity genesButhionine sulfoximineEpithelial cell identityRNA-seq analysisIngenuity Pathway AnalysisKey upstream regulatorIdentity genesCell identityGene OntologyRNA-seqImmune response genesBioinformatics analysisResponse genesGlutathione biosynthesisLens morphogenesisMolecular consequencesUpstream regulatorMicrophthalmia phenotype
2018
Glutathione and Transsulfuration in Alcohol-Associated Tissue Injury and Carcinogenesis
Chen Y, Han M, Matsumoto A, Wang Y, Thompson DC, Vasiliou V. Glutathione and Transsulfuration in Alcohol-Associated Tissue Injury and Carcinogenesis. Advances In Experimental Medicine And Biology 2018, 1032: 37-53. PMID: 30362089, PMCID: PMC6743726, DOI: 10.1007/978-3-319-98788-0_3.ChaptersConceptsGSH biosynthesisAbundant non-protein thiolEpigenetic gene regulationNon-protein thiolsGlutathione S-transferase (GST) familyGene regulationPeroxidase familyExogenous electrophilesCellular methylationReactive oxygen speciesGSH functionsCellular concentrationRelated enzymesTranssulfuration pathwayCancer developmentOxygen speciesBiosynthesisExogenous chemicalsEnzymeTransmethylation pathwayEnhanced susceptibilityPathological conditionsIntimate involvementMillimolar rangePathway
2017
Glutathione Primes T Cell Metabolism for Inflammation
Mak TW, Grusdat M, Duncan GS, Dostert C, Nonnenmacher Y, Cox M, Binsfeld C, Hao Z, Brüstle A, Itsumi M, Jäger C, Chen Y, Pinkenburg O, Camara B, Ollert M, Bindslev-Jensen C, Vasiliou V, Gorrini C, Lang PA, Lohoff M, Harris IS, Hiller K, Brenner D. Glutathione Primes T Cell Metabolism for Inflammation. Immunity 2017, 46: 675-689. PMID: 28423341, DOI: 10.1016/j.immuni.2017.03.019.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsEncephalomyelitis, Autoimmune, ExperimentalEnergy MetabolismGlutamate-Cysteine LigaseGlutamineGlutathioneGlycolysisImmunoblottingInflammationMice, Inbred C57BLMice, KnockoutNFATC Transcription FactorsProto-Oncogene Proteins c-mycReactive Oxygen SpeciesSignal TransductionT-LymphocytesTOR Serine-Threonine KinasesConceptsReactive oxygen speciesMYC transcription factorsConditional gene targetingT cell-specific ablationGlutamate-cysteine ligaseT cell metabolismRapamycin 1Catalytic subunitMetabolic integrationTranscription factorsGene targetingMetabolic reprogrammingBiosynthetic requirementsUnexpected roleExpression of NFATAntiviral defenseCysteine ligaseCell metabolismGSH pathwayMammalian targetGSH productionMurine TGSH deficiencyOxygen speciesCell effector functions
2014
Transgenic Mouse Models for Alcohol Metabolism, Toxicity, and Cancer
Heit C, Dong H, Chen Y, Shah YM, Thompson DC, Vasiliou V. Transgenic Mouse Models for Alcohol Metabolism, Toxicity, and Cancer. Advances In Experimental Medicine And Biology 2014, 815: 375-387. PMID: 25427919, PMCID: PMC4323349, DOI: 10.1007/978-3-319-09614-8_22.Peer-Reviewed Reviews, Practice Guidelines, Standards, and Consensus StatementsConceptsReactive oxygen speciesAldehyde dehydrogenasesCritical biological functionsAlcohol dehydrogenaseFormation of proteinHuman genesBiological functionsMolecular mechanismsVariety of cancersPrimary enzymeGenetic defectsOxygen speciesEnzymeNitrogen speciesEthanol metabolismTransgenic mouse modelOxidative stressSpeciesCytochrome P450Pathogenic eventsMetabolismGenetic polymorphismsAntioxidant mechanismsAlcohol-induced toxicityAlcohol-metabolizing enzymes
2012
Aldehyde dehydrogenases in cellular responses to oxidative/electrophilicstress
Singh S, Brocker C, Koppaka V, Chen Y, Jackson BC, Matsumoto A, Thompson DC, Vasiliou V. Aldehyde dehydrogenases in cellular responses to oxidative/electrophilicstress. Free Radical Biology And Medicine 2012, 56: 89-101. PMID: 23195683, PMCID: PMC3631350, DOI: 10.1016/j.freeradbiomed.2012.11.010.Peer-Reviewed Reviews, Practice Guidelines, Standards, and Consensus StatementsConceptsReactive oxygen speciesOxidative stressMulticellular speciesEukaryotic organismsElectrophilic stressExogenous aldehydesCancer stem cellsLiving systemsStress responseCellular responsesEnvironmental stressorsSimilar functionsAldehyde scavengerSpeciesStem cellsLipid peroxidationROS loadOxygen speciesElevated oxidative stressLipid membranesALDHALDH expressionOrganismsPathological processesPathological conditionsEffect of vitamin C deficiency during postnatal development on adult behavior: functional phenotype of Gulo(−/−) knockout mice
Chen Y, Curran C, Nebert D, Patel K, Williams M, Vorhees C. Effect of vitamin C deficiency during postnatal development on adult behavior: functional phenotype of Gulo(−/−) knockout mice. Genes Brain & Behavior 2012, 11: 269-277. PMID: 22296218, PMCID: PMC3325330, DOI: 10.1111/j.1601-183x.2011.00762.x.Peer-Reviewed Original ResearchConceptsGulo-/- miceBiosynthesis of ascorbateImportant cellular antioxidantAscorbate deficiencyL-gulono-γ-lactone oxidaseAmount of ascorbateGULO geneRate-limiting enzymeReactive oxygen speciesAerobic respirationAbnormal behavioral phenotypesMetabolic processesVitamin CCellular antioxidantsSupplemental vitamin CFunctional phenotypeOxygen speciesVitamin C deficiencyWild-type littermatesMild motor deficitsSpeciesBehavioral phenotypesPhenotypeDopamine agonistsMotor deficits
2011
Aldehyde dehydrogenases are regulators of hematopoietic stem cell numbers and B-cell development
Gasparetto M, Sekulovic S, Brocker C, Tang P, Zakaryan A, Xiang P, Kuchenbauer F, Wen M, Kasaian K, Witty MF, Rosten P, Chen Y, Imren S, Duester G, Thompson DC, Humphries RK, Vasiliou V, Smith C. Aldehyde dehydrogenases are regulators of hematopoietic stem cell numbers and B-cell development. Experimental Hematology 2011, 40: 318-329.e2. PMID: 22198153, DOI: 10.1016/j.exphem.2011.12.006.Peer-Reviewed Original ResearchMeSH KeywordsAldehyde DehydrogenaseAldehyde Dehydrogenase 1 FamilyAldehydesAnimalsAnimals, CongenicB-LymphocytesBone Marrow TransplantationCell CountCell CycleCell LineageCells, CulturedColony-Forming Units AssayDNA DamageEnzyme InductionGene Expression RegulationHematopoiesisHematopoietic Stem CellsLymphopeniaMiceMice, Inbred C57BLMice, KnockoutP38 Mitogen-Activated Protein KinasesRadiation ChimeraReactive Oxygen SpeciesRetinal DehydrogenaseSignal TransductionConceptsB cell developmentHematopoietic stem cellsReactive oxygen speciesMitogen-activated protein kinase activityP38 mitogen-activated protein kinase activityProtein kinase activityExcess reactive oxygen speciesOxygen speciesReactive aldehydesStem cell numbersHematopoietic stem cell numbersReactive oxygen species levelsEarly B cellsNumber of HSCsHSC biologyCell cycle distributionKinase activityOxygen species levelsAldh1a1 deficiencyGene expressionSpecies levelIntracellular signalingAldehyde dehydrogenasesDNA damageCell cyclingUltraviolet Radiation: Cellular Antioxidant Response and the Role of Ocular Aldehyde Dehydrogenase Enzymes
Marchitti SA, Chen Y, Thompson DC, Vasiliou V. Ultraviolet Radiation: Cellular Antioxidant Response and the Role of Ocular Aldehyde Dehydrogenase Enzymes. Eye & Contact Lens Science & Clinical Practice 2011, 37: 206-213. PMID: 21670692, PMCID: PMC3356694, DOI: 10.1097/icl.0b013e3182212642.Peer-Reviewed Reviews, Practice Guidelines, Standards, and Consensus StatementsConceptsReactive oxygen speciesCombat reactive oxygen speciesImportant enzymatic antioxidantsAldehyde dehydrogenaseReduction-oxidation homeostasisOxidative damageConstant oxidative stressAldehyde dehydrogenase enzymeCellular antioxidant responseOxidative stressUnique roleCellular membranesCellular responsesAntioxidant defense systemSuperoxide dismutasesAntioxidant responseEnvironmental insultsDownstream effectsDefense systemGlutathione reductaseEnzymatic antioxidantsOxygen speciesDehydrogenase enzymeNicotinamide adenine dinucleotide phosphateNonenzymatic antioxidants