2017
Reaction products of hexamethylene diisocyanate vapors with “self” molecules in the airways of rabbits exposed via tracheostomy
Wisnewski AV, Kanyo J, Asher J, Goodrich JA, Barnett G, Patrylak L, Liu J, Redlich CA, Nassar AF. Reaction products of hexamethylene diisocyanate vapors with “self” molecules in the airways of rabbits exposed via tracheostomy. Xenobiotica 2017, 48: 488-497. PMID: 28489470, PMCID: PMC5863241, DOI: 10.1080/00498254.2017.1329569.Peer-Reviewed Original ResearchConceptsCollision-induced dissociation (CID) fragmentation patternsReaction productsLower airwaysChemical reactivityLow molecular weight fractionWeight fractionHigh molecular weight fractionAliphatic diisocyanateMolecular weight fractionFragmentation patternsHexamethylenediisocyanateLC-MSHDI vaporAirways of rabbitsBronchoalveolar lavage fluidRabbit bronchoalveolar lavage fluidMoleculesDiisocyanate vaporsMs. 4Albumin. 5Occupational asthmaReactivityBAL fluidAsthma pathogenesisLavage fluid
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
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 Research
2004
Isocyanate vapor-induced antigenicity of human albumin
Wisnewski AV, Stowe MH, Cartier A, Liu Q, Liu J, Chen L, Redlich CA. Isocyanate vapor-induced antigenicity of human albumin. Journal Of Allergy And Clinical Immunology 2004, 113: 1178-1184. PMID: 15208602, DOI: 10.1016/j.jaci.2004.03.009.Peer-Reviewed Original ResearchConceptsHDI exposureHuman albuminAuto body shop workersHDI vaporHuman immune systemOccupational asthmaHumoral armSpecific IgEIgG titersHealthy workersImmune responseSerology studiesHuman airwaysImmune systemSignificant associationAntigenic formsShop workersAlbumin conjugatesAsthmaticsAsthmaIgEAntigenicityParallel studyAlbuminSignificant changes