2021
Identification of Dose-Dependent DNA Damage and Repair Responses From Subchronic Exposure to 1,4-Dioxane in Mice Using a Systems Analysis Approach
Charkoftaki G, Golla JP, Santos-Neto A, Orlicky DJ, Garcia-Milian R, Chen Y, Rattray NJW, Cai Y, Wang Y, Shearn CT, Mironova V, Wang Y, Johnson CH, Thompson DC, Vasiliou V. Identification of Dose-Dependent DNA Damage and Repair Responses From Subchronic Exposure to 1,4-Dioxane in Mice Using a Systems Analysis Approach. Toxicological Sciences 2021, 183: 338-351. PMID: 33693819, PMCID: PMC8921626, DOI: 10.1093/toxsci/kfab030.Peer-Reviewed Original ResearchConceptsDX exposureBile acid quantificationRepair responseBDF-1 miceDNA damageDose-dependent DNA damageEffects of exposureHistopathological studySubchronic exposureImmunohistochemical analysisLiver carcinogenLiver carcinogenicityLiver transcriptomicsDrinking waterMetabolomic profilingMicePotential mechanismsLiverEnvironmental chemicalsState maximum contaminant levelToxic effectsCell deathExposureOxidative stress responsePresent study
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
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