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