2016
Identification of novel reaction products of methylene-bis-phenylisocyanate (“MDI”) with oxidized glutathione in aqueous solution and also during incubation of MDI with a murine hepatic S9 fraction
Wisnewski AV, Liu J, Nassar AF. Identification of novel reaction products of methylene-bis-phenylisocyanate (“MDI”) with oxidized glutathione in aqueous solution and also during incubation of MDI with a murine hepatic S9 fraction. Toxicology In Vitro 2016, 36: 97-104. PMID: 27453132, PMCID: PMC5010927, DOI: 10.1016/j.tiv.2016.07.011.Peer-Reviewed Original Research
2015
Immunochemical detection of the occupational allergen, methylene diphenyl diisocyanate (MDI), in situ
Wisnewski AV, Liu J. Immunochemical detection of the occupational allergen, methylene diphenyl diisocyanate (MDI), in situ. Journal Of Immunological Methods 2015, 429: 60-65. PMID: 26690039, PMCID: PMC4753098, DOI: 10.1016/j.jim.2015.12.008.Peer-Reviewed Original ResearchConceptsKeyhole limpet hemocyaninFreund's adjuvantDiisocyanate-induced asthmaComplete Freund's adjuvantIncomplete Freund's adjuvantLung tissue sectionsFormalin-fixed paraffinOccupational asthmaLower airwaysBooster injectionOccupational allergensAirway cellsAlveolar macrophagesLimpet hemocyaninAdjuvantHealth effectsTissue distributionTissue samplesTissue sectionsAsthmaDot blot analysisFurther studiesImmunochemical studiesBlot analysisEpithelial regionsGlutathione Reaction Products with a Chemical Allergen, Methylene-diphenyl Diisocyanate, Stimulate Alternative Macrophage Activation and Eosinophilic Airway Inflammation
Wisnewski AV, Liu J, Colangelo CM. Glutathione Reaction Products with a Chemical Allergen, Methylene-diphenyl Diisocyanate, Stimulate Alternative Macrophage Activation and Eosinophilic Airway Inflammation. Chemical Research In Toxicology 2015, 28: 729-737. PMID: 25635619, PMCID: PMC4667722, DOI: 10.1021/tx5005002.Peer-Reviewed Original ResearchConceptsEosinophilic inflammatory responseAlternative macrophage activationInflammatory responseChemical allergensMacrophage activationAirway eosinophil numbersEosinophilic airway inflammationInnate immune responseGreater inflammatory responseAirway levelsMDI conjugationAirway inflammationOccupational asthmaIL-12MDI exposureAsthma pathogenesisEosinophil numbersNaïve miceAirway fluidRespiratory tractImmune responseMucus productionSkin exposureMDI conjugatesVivo evidence
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 ResearchMolecular determinants of humoral immune specificity for the occupational allergen, methylene diphenyl diisocyanate
Wisnewski AV, Liu J. Molecular determinants of humoral immune specificity for the occupational allergen, methylene diphenyl diisocyanate. Molecular Immunology 2013, 54: 233-237. PMID: 23295252, PMCID: PMC3563841, DOI: 10.1016/j.molimm.2012.11.017.Peer-Reviewed Original ResearchConceptsEpitope specificityAutologous serum proteinsLow molecular weight chemicalsOccupational asthmaOccupational allergensMolecular determinantsDisease pathogenesisSecreting clonesCDR3 regionWestern blotGene usageMonoclonal antibodiesMajor causeWeight chemicalsIgG1 mAbGermline gene usageHuman albuminImmune specificityMAbsSerum proteinsELISADiagnostic reagentsUseful diagnostic reagentHybridomasSomatic hypermutation
2012
Hexamethylene diisocyanate (HDI) vapor reactivity with glutathione and subsequent transfer to human albumin
Wisnewski AV, Mhike M, Hettick JM, Liu J, Siegel PD. Hexamethylene diisocyanate (HDI) vapor reactivity with glutathione and subsequent transfer to human albumin. Toxicology In Vitro 2012, 27: 662-671. PMID: 23178851, PMCID: PMC3587365, DOI: 10.1016/j.tiv.2012.11.013.Peer-Reviewed Original ResearchConceptsHDI vaporCommon occupational allergensRespiratory tract exposureHuman albuminLevels of GSHReaction productsGSH concentrationVapor exposureIntra-molecular cyclizationClinical responseOccupational allergensAsthma pathogenesisPolyclonal rabbit serumAirway fluidSerologic assaysLower GSH concentrationsVivo reactivityRabbit serumPotential mechanismsGlutathione reactivityMass spectrometryExposureReactivityGSH solutionKey step
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