2009
Curcumin, quercetin, and tBHQ modulate glutathione levels in astrocytes and neurons: importance of the glutamate cysteine ligase modifier subunit
Lavoie S, Chen Y, Dalton TP, Gysin R, Cuénod M, Steullet P, Q. K. Curcumin, quercetin, and tBHQ modulate glutathione levels in astrocytes and neurons: importance of the glutamate cysteine ligase modifier subunit. Journal Of Neurochemistry 2009, 108: 1410-1422. PMID: 19183254, DOI: 10.1111/j.1471-4159.2009.05908.x.Peer-Reviewed Original ResearchMeSH KeywordsAnalysis of VarianceAnimalsAntioxidantsAstrocytesCell SurvivalCells, CulturedCerebral CortexCurcuminDose-Response Relationship, DrugEmbryo, MammalianEnzyme InhibitorsGene ExpressionGlutamate-Cysteine LigaseGlutathioneHydroquinonesMiceMice, Inbred C57BLMice, KnockoutNeuronsProtein SubunitsQuercetinUp-RegulationConceptsGlutamate-cysteine ligaseGCL activityRate-limiting synthesizing enzymeRedox regulatorCatalytic subunitGSH levelsGene expressionCysteine ligaseGlutamate cysteine ligase modifierModifier subunitCell deathCell typesGSH synthesisEnzymeNeurodegenerative diseasesCultured neuronsGCLMSubunitsMRNA levelsSynthesizing enzymesGSHLower GSHAbility of curcuminExpressionLigase
2007
Interaction between the catalytic and modifier subunits of glutamate-cysteine ligase
Yang Y, Chen Y, Johansson E, Schneider SN, Shertzer HG, Nebert DW, Dalton TP. Interaction between the catalytic and modifier subunits of glutamate-cysteine ligase. Biochemical Pharmacology 2007, 74: 372-381. PMID: 17517378, DOI: 10.1016/j.bcp.2007.02.003.Peer-Reviewed Original ResearchConceptsGlutamate-cysteine ligaseHeterodimer formationEnzyme structure-function relationshipsTwo-hybrid systemGlutathione biosynthesis pathwayPrimary amino acid sequenceC-terminal regionAmino acid sequenceN-terminal regionStructure-function relationshipsBiosynthesis pathwayRegulatory subunitCatalytic subunitDeletion analysisRate-limiting enzymeTertiary structureModifier subunitAmino acidsPoint mutationsSubunitsGCLCGSH inhibitionLigaseEnzyme activityGCLM
2002
Initial Characterization of the Glutamate-Cysteine Ligase Modifier Subunit Gclm(−/−) Knockout Mouse NOVEL MODEL SYSTEM FOR A SEVERELY COMPROMISED OXIDATIVE STRESS RESPONSE*
Yang Y, Dieter MZ, Chen Y, Shertzer HG, Nebert DW, Dalton TP. Initial Characterization of the Glutamate-Cysteine Ligase Modifier Subunit Gclm(−/−) Knockout Mouse NOVEL MODEL SYSTEM FOR A SEVERELY COMPROMISED OXIDATIVE STRESS RESPONSE*. Journal Of Biological Chemistry 2002, 277: 49446-49452. PMID: 12384496, DOI: 10.1074/jbc.m209372200.Peer-Reviewed Original ResearchMeSH KeywordsAge FactorsAllelesAnimalsBlotting, NorthernBlotting, SouthernBody WeightCell DeathChromatography, GelCysteineDose-Response Relationship, DrugFibroblastsGenotypeGlutamate-Cysteine LigaseGlutamic AcidGlutathioneHomozygoteHydrogen PeroxideImmunoblottingKidneyKineticsLiverMiceMice, KnockoutModels, GeneticMutagenesis, Site-DirectedOxidative StressOxygenPhenotypePolymerase Chain ReactionProtein Structure, TertiaryTime FactorsTissue DistributionConceptsGlutamate-cysteine ligaseModifier subunitGSH biosynthesis pathwayGlutamate-cysteine ligase modifier subunitOxidative stress responseGCL holoenzymeHigher eukaryotesBiosynthesis pathwayCellular functionsCatalytic subunitNovel model systemRate-limiting enzymeNumerous pathophysiological conditionsNull allelesStress responseOvert phenotypeGCL activityOxidant insultSubunitsFetal fibroblastsChronic GSH depletionInitial characterizationHoloenzymeGSH inhibitionGSH depletion