2024
Expanding PFAS Identification with Transformation Product Libraries: Nontargeted Analysis Reveals Biotransformation Products in Mice
Liu S, Dukes D, Koelmel J, Stelben P, Finch J, Okeme J, Lowe C, Williams A, Godri D, Rennie E, Parry E, McDonough C, Pollitt K. Expanding PFAS Identification with Transformation Product Libraries: Nontargeted Analysis Reveals Biotransformation Products in Mice. Environmental Science And Technology 2024, 59: 119-131. PMID: 39704186, DOI: 10.1021/acs.est.4c07750.Peer-Reviewed Original ResearchConceptsMass spectral libraryTransformation productsLiquid chromatography-high resolution mass spectrometryProduct libraryPolyfluoroalkyl substancesBiological transformation productsSpectral libraryFragmentation rulesBehavior of PFASPotential transformation productsMass spectrometryToxicity predictionChemical subclassesReaction productsLiver S9 fractionBiotransformation productsEnzymatic reactionsMutagenic toxicityReactionMouse liver S9 fractionBiological systemsS9 fractionDealkylationChemicalSpectrometry
2022
Emerging and Legacy Per- and Polyfluoroalkyl Substances in an Elderly Population in Jinan, China: The Exposure Level, Short-Term Variation, and Intake Assessment
Jia X, Jin Q, Fang J, Shi Y, Hou M, Dong H, Liu Y, Deng F, Zhou Y, Pollitt K, Tang S, Shi X, Cai Y. Emerging and Legacy Per- and Polyfluoroalkyl Substances in an Elderly Population in Jinan, China: The Exposure Level, Short-Term Variation, and Intake Assessment. Environmental Science And Technology 2022, 56: 7905-7916. PMID: 35584234, DOI: 10.1021/acs.est.2c00381.Peer-Reviewed Original ResearchConceptsElderly adultsHealthy elderly adultsBw/dayHuman exposureAdverse health effectsMedian intakeIntake assessmentElderly populationMonth assessment periodDietary ingestionHealth effectsInternal exposureWhole bloodPerfluorooctanoic acidExposure levelsImportant exposure pathwayExposure assessmentAssessment periodConsecutive monthsRegression analysisPolyfluoroalkyl substancesPerfluorooctanesulfonic acidCl-PFESAExposureAdults
2018
Comparison of Airway Responses Induced in a Mouse Model by the Gas and Particulate Fractions of Gasoline Direct Injection Engine Exhaust
Maikawa CL, Zimmerman N, Ramos M, Shah M, Wallace JS, Pollitt KJG. Comparison of Airway Responses Induced in a Mouse Model by the Gas and Particulate Fractions of Gasoline Direct Injection Engine Exhaust. International Journal Of Environmental Research And Public Health 2018, 15: 429. PMID: 29494515, PMCID: PMC5876974, DOI: 10.3390/ijerph15030429.Peer-Reviewed Original ResearchConceptsAirway hyperresponsivenessAllergic asthma murine modelAsthma murine modelNon-allergic miceMethacholine responsivenessAirway responsesPulmonary responsePeripheral tissuesMurine modelMouse modelShort-term exposureAcute exposureGDI engine exhaustPolycyclic aromatic hydrocarbon metabolismUpregulation of genesHyperresponsivenessParticulate fractionHealth impactsAromatic hydrocarbon metabolismPrevalenceMiceExposureDiesel exhaustAnimalsResponse
2016
Murine precision-cut lung slices exhibit acute responses following exposure to gasoline direct injection engine emissions
Maikawa CL, Zimmerman N, Rais K, Shah M, Hawley B, Pant P, Jeong CH, Delgado-Saborit JM, Volckens J, Evans G, Wallace JS, Pollitt K. Murine precision-cut lung slices exhibit acute responses following exposure to gasoline direct injection engine emissions. The Science Of The Total Environment 2016, 568: 1102-1109. PMID: 27369091, DOI: 10.1016/j.scitotenv.2016.06.173.Peer-Reviewed Original ResearchConceptsLung slicesPulmonary responseBALB/c miceMurine precision-cut lung slicesOxidative stressPrecision-cut lung slicesOxidative stress markersOne-hour exposurePulmonary effectsC miceGDI engine exhaustAcute responseCYP1B1 expressionStress markersVivo modelPolycyclic aromatic hydrocarbon metabolismUpregulation of genesElectrostatic aerosolParticulate fractionAromatic hydrocarbon metabolismExposureUpregulated genesMRNA productionMetabolismAir-liquid interface
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