2009
Early 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 cellsCurcumin, 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
Hepatocyte‐specific Gclc deletion leads to rapid onset of steatosis with mitochondrial injury and liver failure
Chen Y, Yang Y, Miller ML, Shen D, Shertzer HG, Stringer KF, Wang B, Schneider SN, Nebert DW, Dalton TP. Hepatocyte‐specific Gclc deletion leads to rapid onset of steatosis with mitochondrial injury and liver failure. Hepatology 2007, 45: 1118-1128. PMID: 17464988, DOI: 10.1002/hep.21635.Peer-Reviewed Original ResearchConceptsLiver failureMitochondrial injuryLiver biochemistry testsSevere parenchymal damageNumerous liver diseasesMonths of ageGCLC geneHepatic failureLiver injuryParenchymal damageLiver diseaseDepletion of glutathioneHepatic steatosisHistological featuresGSH synthesisHepatic functionPostnatal dayHepatocyte deathKnockout miceRapid onsetBiochemistry testsHepatic GSHSteatosisUltrastructural examinationOxidative stress
2004
Genetically altered mice to evaluate glutathione homeostasis in health and disease
Dalton TP, Chen Y, Schneider SN, Nebert DW, Shertzer HG. Genetically altered mice to evaluate glutathione homeostasis in health and disease. Free Radical Biology And Medicine 2004, 37: 1511-1526. PMID: 15477003, DOI: 10.1016/j.freeradbiomed.2004.06.040.Peer-Reviewed Reviews, Practice Guidelines, Standards, and Consensus StatementsConceptsRole of GSHGSH biosynthetic pathwayCell model systemBiosynthetic pathwayExogenous electrophilesGSH homeostasisCellular GSHHuman diseasesGlutathione homeostasisMouse modelGSH synthesisTripeptide glutathioneAntioxidant systemOxidative damageGenetic deficiencyModel systemOxidative stressHomeostasisSuch chemicalsGSHDisease processNonspecific effects