2024
Glutathione synthesis in the mouse liver supports lipid abundance through NRF2 repression
Asantewaa G, Tuttle E, Ward N, Kang Y, Kim Y, Kavanagh M, Girnius N, Chen Y, Rodriguez K, Hecht F, Zocchi M, Smorodintsev-Schiller L, Scales T, Taylor K, Alimohammadi F, Duncan R, Sechrist Z, Agostini-Vulaj D, Schafer X, Chang H, Smith Z, O’Connor T, Whelan S, Selfors L, Crowdis J, Gray G, Bronson R, Brenner D, Rufini A, Dirksen R, Hezel A, Huber A, Munger J, Cravatt B, Vasiliou V, Cole C, DeNicola G, Harris I. Glutathione synthesis in the mouse liver supports lipid abundance through NRF2 repression. Nature Communications 2024, 15: 6152. PMID: 39034312, PMCID: PMC11271484, DOI: 10.1038/s41467-024-50454-2.Peer-Reviewed Original ResearchConceptsGlutamate-cysteine ligase catalytic subunitLipid abundanceLipogenic enzyme expressionAbundance in vivoLipid productionCatalytic subunitRepress Nrf2Transcription factorsNrf2 repressionAdult tissuesSynthesis of GSHEnzyme expressionNon-redundantRedox bufferMouse liverLoss of GSHTriglyceride productionIn vivo modelsAbundanceGlutathione synthesisLiver balanceFat storesOxidative stressLipidDeletion
2019
Glutathione deficiency-elicited reprogramming of hepatic metabolism protects against alcohol-induced steatosis
Chen Y, Manna SK, Golla S, Krausz KW, Cai Y, Garcia-Milian R, Chakraborty T, Chakraborty J, Chatterjee R, Thompson DC, Gonzalez FJ, Vasiliou V. Glutathione deficiency-elicited reprogramming of hepatic metabolism protects against alcohol-induced steatosis. Free Radical Biology And Medicine 2019, 143: 127-139. PMID: 31351176, PMCID: PMC6848780, DOI: 10.1016/j.freeradbiomed.2019.07.025.Peer-Reviewed Original ResearchMeSH KeywordsAcetyl Coenzyme AAlcohol DrinkingAMP-Activated Protein KinasesAnimalsEthanolFatty AcidsFatty LiverGlucuronic AcidGlutamate-Cysteine LigaseGlutamatesGlutathioneHomeostasisLipogenesisLiverMaleMiceMice, Inbred C57BLMice, KnockoutOligonucleotide Array Sequence AnalysisOxidation-ReductionOxidative StressPentose Phosphate PathwayProtective AgentsTranscription, GeneticConceptsGlutamate-cysteine ligase modifier subunit geneProtein kinase pathwayAcetyl-CoA fluxMultiple cellular pathwaysAlcohol-induced steatosisCellular stressNucleotide biosynthesisLiver microarray analysisGlobal profilingSubunit geneCellular pathwaysMetabolic reprogrammingKinase pathwayMicroarray analysisMolecular mechanismsGSH poolCellular responsesMetabolic pathwaysLower GSHMolecular pathwaysMetabolic homeostasisAmino acidsDepletion of glutathioneCritical pathogenic eventGlucuronate pathway
2012
Effect of chronic glutathione deficiency on the behavioral phenotype of Gclm(−/−) knockout mice
Chen Y, Curran CP, Nebert DW, Patel KV, Williams MT, Vorhees CV. Effect of chronic glutathione deficiency on the behavioral phenotype of Gclm(−/−) knockout mice. Neurotoxicology And Teratology 2012, 34: 450-457. PMID: 22580179, PMCID: PMC3404268, DOI: 10.1016/j.ntt.2012.04.009.Peer-Reviewed Original ResearchConceptsGlutamate-cysteine ligase modifier subunitMorris water mazeKO miceKnockout miceWater mazeOxidative stressChronic glutathione deficiencyPostnatal day 60Novel object recognitionWild-type littermatesTime of conceptionChronic GSH depletionChronic oxidative stressOpen-field activityKnockout mouse lineNormal spatial learningControl brain regionsAcoustic startleBehavioral abnormalitiesPostnatal lifeBrain regionsNeurodegenerative disordersDay 60Phenotyping testsMiceEffect 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
2010
Aldehyde Dehydrogenase 1B1: Molecular Cloning and Characterization of a Novel Mitochondrial Acetaldehyde-Metabolizing Enzyme
Stagos D, Chen Y, Brocker C, Donald E, Jackson BC, Orlicky DJ, Thompson DC, Vasiliou V. Aldehyde Dehydrogenase 1B1: Molecular Cloning and Characterization of a Novel Mitochondrial Acetaldehyde-Metabolizing Enzyme. Drug Metabolism And Disposition 2010, 38: 1679-1687. PMID: 20616185, PMCID: PMC2957164, DOI: 10.1124/dmd.110.034678.Peer-Reviewed Original ResearchMeSH KeywordsAcetaldehydeAldehyde DehydrogenaseAldehyde Dehydrogenase 1 FamilyAldehyde Dehydrogenase, MitochondrialAmino Acid SequenceAnimalsBaculoviridaeBlotting, WesternCell LineCloning, MolecularEthanolGenetic VectorsHumansImmunohistochemistryInsectaMaleMiceMice, Inbred C57BLMice, KnockoutMitochondriaMolecular Sequence DataNADOrgan SpecificityOxidation-ReductionPlasmidsRecombinant ProteinsReverse Transcriptase Polymerase Chain ReactionSpectrometry, Mass, Matrix-Assisted Laser Desorption-IonizationRedox Dysregulation Affects the Ventral But Not Dorsal Hippocampus: Impairment of Parvalbumin Neurons, Gamma Oscillations, and Related Behaviors
Steullet P, Cabungcal JH, Kulak A, Kraftsik R, Chen Y, Dalton TP, Cuenod M, Q. K. Redox Dysregulation Affects the Ventral But Not Dorsal Hippocampus: Impairment of Parvalbumin Neurons, Gamma Oscillations, and Related Behaviors. Journal Of Neuroscience 2010, 30: 2547-2558. PMID: 20164340, PMCID: PMC6634545, DOI: 10.1523/jneurosci.3857-09.2010.Peer-Reviewed Original Research8-Hydroxy-2'-DeoxyguanosineAdaptation, OcularAnalysis of VarianceAnimalsAnimals, NewbornBehavior, AnimalBiological ClocksCalbindin 2CalbindinsConditioning, ClassicalDeoxyguanosineElectric StimulationElectroencephalographyExcitatory Amino Acid AgonistsExploratory BehaviorFearFeeding BehaviorGene Expression RegulationGene Expression Regulation, DevelopmentalGlutamate-Cysteine LigaseGlutathioneHippocampusInterneuronsKainic AcidMaleMaze LearningMiceMice, Inbred C57BLMice, KnockoutNeural PathwaysOxidation-ReductionOxidative StressParvalbuminsPattern Recognition, VisualRewardS100 Calcium Binding Protein GSpatial Behavior
2009
Corneal aldehyde dehydrogenases: Multiple functions and novel nuclear localization
Stagos D, Chen Y, Cantore M, Jester JV, Vasiliou V. Corneal aldehyde dehydrogenases: Multiple functions and novel nuclear localization. Brain Research Bulletin 2009, 81: 211-218. PMID: 19720116, PMCID: PMC3025408, DOI: 10.1016/j.brainresbull.2009.08.017.Peer-Reviewed Original ResearchConceptsException of rabbitsCorneal epitheliumOcular tissuesMouse corneaProtective roleUVR exposureCorneaMessenger levelsNuclear presenceOxidative damageCorneal crystallinsSubstantial evidenceNovel nuclear localizationALDH3A1Rabbit keratocytesReactive aldehydesCell cycle regulationAntioxidant activityGene expressionALDHMost mammalsCycle regulationExogenous aldehydesNuclear localizationALDH1A1
2008
Knock-In Mouse Lines Expressing either Mitochondrial or Microsomal CYP1A1: Differing Responses to Dietary Benzo[a]pyrene as Proof of Principle
Dong H, Dalton TP, Miller ML, Chen Y, Uno S, Shi Z, Shertzer HG, Bansal S, Avadhani NG, Nebert DW. Knock-In Mouse Lines Expressing either Mitochondrial or Microsomal CYP1A1: Differing Responses to Dietary Benzo[a]pyrene as Proof of Principle. Molecular Pharmacology 2008, 75: 555-567. PMID: 19047483, PMCID: PMC2684908, DOI: 10.1124/mol.108.051888.Peer-Reviewed Original ResearchConceptsMitochondrial importCryptic targeting signalMitochondrial-targeting signalSignal recognition particleInner mitochondrial membraneDifferent substrate specificitiesMouse linesCYP1A1 proteinTargeting signalsRecognition particleCYP1A1 enzymeSubstrate specificityMitochondrial membraneEndoplasmic reticulumBaP toxicityPhysiological functionsTerminal processingProteinCytosolic peptidasesProof of principleMutationsEnzymeInducer propertiesCYP1B1 mRNAMicrosomal CYP1A1
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