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 stressLipidDeletionLong-term exposure to ambient fine particulate matter and risk of liver cancer in the NIH-AARP Diet and Health Study
Ma X, Fisher J, McGlynn K, Liao L, Vasiliou V, Sun N, Kaufman J, Silverman D, Jones R. Long-term exposure to ambient fine particulate matter and risk of liver cancer in the NIH-AARP Diet and Health Study. Environment International 2024, 187: 108637. PMID: 38636274, PMCID: PMC11286199, DOI: 10.1016/j.envint.2024.108637.Peer-Reviewed Original ResearchConceptsRisk of liver cancerIncreased risk of liver cancerFine particulate matterNIH-AARP DietNIH-AARPParticulate matterHistorical PM<sub>2.5</sub> concentrationsOutdoor PM<sub>2.5</sub> levelsAmbient PM<sub>2.5</sub> levelsLong-term exposure to ambient fine particulate matterHealth StudyExposure to ambient fine particulate matterAmbient fine particulate matterAssociated with liver cancer riskYears prior to cancer diagnosisEvidence of effect modificationLiver cancer riskLiver cancer incidenceIncreased riskSpatiotemporal prediction modelAmbient PM2.5 levelsPM2.5 levelsHistorical exposure assessmentBody mass indexPhysical activity