2022
Glutathione reactivity with aliphatic polyisocyanates
Wisnewski AV, Liu J. Glutathione reactivity with aliphatic polyisocyanates. PLOS ONE 2022, 17: e0271471. PMID: 35839242, PMCID: PMC9286259, DOI: 10.1371/journal.pone.0271471.Peer-Reviewed Original ResearchConceptsHexamethylene diisocyanateAliphatic polyisocyanatesReaction productsMS/MSTandem MS/MSReversed-phase LC-MSPositive ion modeMajor reaction productsLiquid chromatography-coupled mass spectrometryCoupled-mass spectrometryPolymeric formulationsIon modeGlutathione reactivityFragmentation patternsGSH reactivityS linkageO groupLC-MSPolyisocyanatesIonsIsocyanate productsDiisocyanateImportant productsReactivityMS
2019
Dilysine-Methylene Diphenyl Diisocyanate (MDI), a Urine Biomarker of MDI Exposure?
Wisnewski AV, Nassar AF, Liu J, Bello D. Dilysine-Methylene Diphenyl Diisocyanate (MDI), a Urine Biomarker of MDI Exposure? Chemical Research In Toxicology 2019, 32: 557-565. PMID: 30724074, PMCID: PMC6465083, DOI: 10.1021/acs.chemrestox.8b00262.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBiomarkersChromatography, LiquidDipeptidesGlutathioneIsocyanatesMiceMolecular StructureSkinTandem Mass SpectrometryConceptsRespiratory tract exposureMDI exposureUrine biomarkersSkin exposureUrine of miceFuture translational investigationsWestern blot studiesUrinary biomarkersRespiratory tractExposure surveillanceTranslational investigationsDisease preventionMDI conjugatesMiceUrineBiomarkersCollision-induced dissociation (CID) fragmentation patternsExposureUnderstanding pathwaysMDIIndustrial hygieneAlbuminMS/MSTractPrevention
2018
Development and Validation of LC–MS-MS Assay for the Determination of the Emerging Alkylating Agent Laromustine and Its Active Metabolite in Human Plasma
Nassar AF, Wisnewski AV, Wu T, Lam TT, King I. Development and Validation of LC–MS-MS Assay for the Determination of the Emerging Alkylating Agent Laromustine and Its Active Metabolite in Human Plasma. Journal Of Chromatographic Science 2018, 57: 195-203. PMID: 30395213, DOI: 10.1093/chromsci/bmy100.Peer-Reviewed Original Research
2013
Connecting glutathione with immune responses to occupational methylene diphenyl diisocyanate exposure
Wisnewski AV, Liu J, Redlich CA. Connecting glutathione with immune responses to occupational methylene diphenyl diisocyanate exposure. Chemico-Biological Interactions 2013, 205: 38-45. PMID: 23791970, PMCID: PMC3767171, DOI: 10.1016/j.cbi.2013.06.005.Peer-Reviewed Original Research
2011
Vapor conjugation of toluene diisocyanate to specific lysines of human albumin
Hettick JM, Siegel PD, Green BJ, Liu J, Wisnewski AV. Vapor conjugation of toluene diisocyanate to specific lysines of human albumin. Analytical Biochemistry 2011, 421: 706-711. PMID: 22206939, PMCID: PMC3324820, DOI: 10.1016/j.ab.2011.12.013.Peer-Reviewed Original ResearchMeSH KeywordsAlbuminsAmino Acid SequenceBlotting, WesternHumansLysineMolecular Sequence DataTandem Mass SpectrometryToluene 2,4-DiisocyanateVolatilizationToluene Diisocyanate Reactivity with Glutathione Across a Vapor/Liquid Interface and Subsequent Transcarbamoylation of Human Albumin
Wisnewski AV, Hettick JM, Siegel PD. Toluene Diisocyanate Reactivity with Glutathione Across a Vapor/Liquid Interface and Subsequent Transcarbamoylation of Human Albumin. Chemical Research In Toxicology 2011, 24: 1686-1693. PMID: 21806041, PMCID: PMC3321232, DOI: 10.1021/tx2002433.Peer-Reviewed Original ResearchMeSH KeywordsAlbuminsAllergensCarbamatesChromatography, High Pressure LiquidGlutathioneHumansTandem Mass SpectrometryToluene 2,4-DiisocyanateVolatilization
2010
Antigenic changes in human albumin caused by reactivity with the occupational allergen diphenylmethane diisocyanate
Wisnewski AV, Liu J, Redlich CA. Antigenic changes in human albumin caused by reactivity with the occupational allergen diphenylmethane diisocyanate. Analytical Biochemistry 2010, 400: 251-258. PMID: 20123080, PMCID: PMC3106273, DOI: 10.1016/j.ab.2010.01.037.Peer-Reviewed Original ResearchConceptsHigh-performance liquid chromatographyDiphenylmethane diisocyanateConjugation sitesReaction productsCross-linking agentTandem mass spectrometryPolyurethane productionMass spectrometryMDI-exposed workersCause of asthmaHuman albuminSerum immunoglobulin GLiquid chromatographyReaction specificityDiisocyanateSecond lysineMDI conjugationAirway inflammationAnalytical methodSelf proteinsProteomic methodologiesEpitope specificityAntigenic changesClinical researchConjugates