2022
Oxidative stress induces inflammation of lens cells and triggers immune surveillance of ocular tissues
Thompson B, Davidson EA, Chen Y, Orlicky DJ, Thompson DC, Vasiliou V. Oxidative stress induces inflammation of lens cells and triggers immune surveillance of ocular tissues. Chemico-Biological Interactions 2022, 355: 109804. PMID: 35123994, PMCID: PMC9136680, DOI: 10.1016/j.cbi.2022.109804.Peer-Reviewed Original ResearchMeSH KeywordsAcetylcysteineAnimalsButhionine SulfoximineCell LineChemokine CCL7CytokinesDown-RegulationEpithelial CellsEpithelial-Mesenchymal TransitionEyeGlutamate-Cysteine LigaseImmunity, InnateLens, CrystallineLeukocytesMiceMice, Inbred C57BLMice, KnockoutOxidative StressReactive Oxygen SpeciesUp-RegulationConceptsPosterior capsule opacificationCytokine expressionKO miceImmune surveillanceOxidative stressLens epithelial cellsOcular structuresLens cellsDevelopment of PCOEpithelial cellsInnate immune cellsExpression of cytokinesEx vivo inductionOcular surface tissuesExpression of markersImmune response genesCON miceControl miceCapsule opacificationImmune cellsPostnatal dayΑ-SMAMouse modelOcular tissuesVivo induction
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.ChaptersMeSH KeywordsCarcinogenesisEthanolGlutathioneGlutathione TransferaseHumansHydrogen PeroxideMethylationReactive Oxygen SpeciesConceptsGSH 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 rangePathwayGlutathione de novo synthesis but not recycling process coordinates with glutamine catabolism to control redox homeostasis and directs murine T cell differentiation
Lian G, Gnanaprakasam JR, Wang T, Wu R, Chen X, Liu L, Shen Y, Yang M, Yang J, Chen Y, Vasiliou V, Cassel TA, Green DR, Liu Y, Fan TW, Wang R. Glutathione de novo synthesis but not recycling process coordinates with glutamine catabolism to control redox homeostasis and directs murine T cell differentiation. ELife 2018, 7: e36158. PMID: 30198844, PMCID: PMC6152796, DOI: 10.7554/elife.36158.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsCell DifferentiationCell ProliferationDimethyl FumarateGlutamate-Cysteine LigaseGlutamineGlutathioneGlutathione DisulfideHomeostasisLymphocyte ActivationMice, Inbred C57BLOxidation-ReductionOxidative StressReactive Oxygen SpeciesReceptors, Antigen, T-CellTh17 CellsT-LymphocytesT-Lymphocytes, RegulatoryConceptsCell fateDe novo synthesisNovo synthesisCell differentiationT cell differentiationMurine T cell differentiationT cell fateGlutamate-cysteine ligaseLineage choiceRedox demandsGlutathione de novo synthesisRecycling pathwayInhibition of GSHRedox homeostasisGSH biosynthesisGlutamine catabolismRedox balanceModifier subunitEssential precursorIntracellular GSHEssential roleGlutathione disulfideDifferentiationGSH contentGSH
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
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 StatementsMeSH KeywordsAldehyde DehydrogenaseAnimalsBacteriaCaenorhabditis elegansHumansNeoplastic Stem CellsOxidative StressPlantsReactive Oxygen SpeciesSaccharomyces cerevisiaeConceptsReactive oxygen speciesOxidative stressMulticellular speciesEukaryotic organismsElectrophilic stressExogenous aldehydesCancer stem cellsLiving systemsStress responseCellular responsesEnvironmental stressorsSimilar functionsAldehyde scavengerSpeciesStem cellsLipid peroxidationROS loadOxygen speciesElevated oxidative stressLipid membranesALDHALDH expressionOrganismsPathological processesPathological conditions
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 StatementsMeSH KeywordsAldehyde DehydrogenaseAntioxidantsEyeHumansOxidative StressReactive Oxygen SpeciesUltraviolet RaysConceptsReactive 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
2009
Antioxidant Defenses in the ocular surface
Chen Y, Mehta G, Vasiliou V. Antioxidant Defenses in the ocular surface. The Ocular Surface 2009, 7: 176-185. PMID: 19948101, PMCID: PMC4104792, DOI: 10.1016/s1542-0124(12)70185-4.Peer-Reviewed Reviews, Practice Guidelines, Standards, and Consensus StatementsMeSH KeywordsAnimalsAntioxidantsCorneaEye DiseasesHumansOxidative StressReactive Oxygen SpeciesTearsEarly onset senescence occurs when fibroblasts lack the glutamate–cysteine ligase modifier subunit
Chen Y, Johansson E, Fan Y, Shertzer HG, Vasiliou V, Nebert DW, Dalton TP. Early onset senescence occurs when fibroblasts lack the glutamate–cysteine ligase modifier subunit. Free Radical Biology And Medicine 2009, 47: 410-418. PMID: 19427898, PMCID: PMC2773044, DOI: 10.1016/j.freeradbiomed.2009.05.003.Peer-Reviewed Original ResearchMeSH KeywordsAcetylcysteineAnimalsBeta-GalactosidaseCell Culture TechniquesCell CycleCell Growth ProcessesCellular SenescenceCyclin-Dependent Kinase Inhibitor p21DNA DamageFemaleFetusFibroblastsFree Radical ScavengersGlutamate-Cysteine LigaseGlutathioneMiceMice, Inbred C57BLMice, KnockoutPregnancyProtein SubunitsReactive Oxygen SpeciesTumor Suppressor Protein p53ConceptsGlutamate-cysteine ligasePremature senescenceCellular redox environmentCellular antioxidant glutathionePrimary murine fibroblastsSenescence-associated beta-galactosidase activityCell cycle arrestInduction of p53Beta-galactosidase activityPrevents premature senescenceCatalytic subunitCellular senescenceGrowth arrestGlutamate cysteine ligase modifierModifier subunitP21 proteinPhysiological roleSenescenceDNA damageRedox environmentCycle arrestMurine fibroblastsGSH synthesisN-acetylcysteine increasesPrimary cells
2006
TCDD decreases ATP levels and increases reactive oxygen production through changes in mitochondrial F0F1-ATP synthase and ubiquinone
Shertzer HG, Genter MB, Shen D, Nebert DW, Chen Y, Dalton TP. TCDD decreases ATP levels and increases reactive oxygen production through changes in mitochondrial F0F1-ATP synthase and ubiquinone. Toxicology And Applied Pharmacology 2006, 217: 363-374. PMID: 17109908, PMCID: PMC1783833, DOI: 10.1016/j.taap.2006.09.014.Peer-Reviewed Original ResearchConceptsReactive oxygen productionATP levelsMitochondria generate ATPMitochondrial glutathione redox stateMitochondrial oxidative DNA damageF0F1-ATP synthaseATP/O ratioGlutathione redox stateOxygen productionATP synthaseGenerate ATPSignal transductionMitochondrial targetsOxidative DNA damageGreater respiratory rateOxidoreductase activityATP synthesisCell deathDNA damageFutile cycleRedox stateCellular pathologyRespiratory control ratioTCDD treatmentATP