2021
Individual and joint effects of phthalate metabolites on biomarkers of oxidative stress among pregnant women in Puerto Rico
Cathey A, Eaton J, Ashrap P, Watkins D, Rosario Z, Vega C, Alshawabkeh A, Cordero J, Mukherjee B, Meeker J. Individual and joint effects of phthalate metabolites on biomarkers of oxidative stress among pregnant women in Puerto Rico. Environment International 2021, 154: 106565. PMID: 33882432, PMCID: PMC9923976, DOI: 10.1016/j.envint.2021.106565.Peer-Reviewed Original ResearchConceptsBayesian kernel machine regressionPhthalate metabolitesEnvironmental risk scoreBiomarkers of oxidative stressPregnant womenPhthalate mixtureBayesian kernel machine regression analysisEffects of phthalate metabolitesOxidative stressIndividual phthalate metabolitesLipid oxidative stressUrinary biomarker measurementsKernel machine regressionAdverse birth outcomesPuerto Rico TestsiteOxidative stress biomarkersChemical fractionationContamination threatLongitudinal birth cohortPhthalate compoundsLinear mixed effects modelsBirth outcomesOxidative stress mechanismsStudy visitsPhthalate exposure
2019
Urinary concentrations of phenols in association with biomarkers of oxidative stress in pregnancy: Assessment of effects independent of phthalates
Ferguson K, Lan Z, Yu Y, Mukherjee B, McElrath T, Meeker J. Urinary concentrations of phenols in association with biomarkers of oxidative stress in pregnancy: Assessment of effects independent of phthalates. Environment International 2019, 131: 104903. PMID: 31288179, PMCID: PMC6728185, DOI: 10.1016/j.envint.2019.104903.Peer-Reviewed Original ResearchConceptsUrinary phthalate metabolitesOxidative stress biomarkersNon-null associationsPhthalate metabolitesBiomarkers of oxidative stressInterquartile rangeBenzophenone-3Associated with increasesOutcome biomarkersIncreased maternal oxidative stressStress biomarkersExposure to environmental phenolsOxidative stressReduced fetal growthUrinary oxidative stress biomarkersMaternal oxidative stressEffect estimatesAdaptive elastic net modelStudy populationPreterm birthFetal growthConcentration of phenolUrinary phenolPregnancyUrinary concentrations
2016
Repeated measures of inflammation and oxidative stress biomarkers in preeclamptic and normotensive pregnancies
Ferguson K, Meeker J, McElrath T, Mukherjee B, Cantonwine D. Repeated measures of inflammation and oxidative stress biomarkers in preeclamptic and normotensive pregnancies. American Journal Of Obstetrics And Gynecology 2016, 216: 527.e1-527.e9. PMID: 28043842, PMCID: PMC5420472, DOI: 10.1016/j.ajog.2016.12.174.Peer-Reviewed Original ResearchConceptsTumor necrosis factor-aNormotensive pregnanciesC-reactive proteinMeasures of inflammationHazard ratioOxidative stress biomarkersInterleukin-1bTime pointsInflammation biomarkersStudy visitsTime of preeclampsia diagnosisPrediction of preeclampsiaOxidative stressHigher body mass indexOxidative stress biomarker 8-isoprostaneStress biomarkersCox proportional hazards modelsCompared to other time pointsBody mass indexProspective birth cohortCalculate hazard ratiosSmall study populationPanel of inflammationFactor AProportional hazards modelRepeated measures analysis of associations between urinary bisphenol-A concentrations and biomarkers of inflammation and oxidative stress in pregnancy
Ferguson K, Cantonwine D, McElrath T, Mukherjee B, Meeker J. Repeated measures analysis of associations between urinary bisphenol-A concentrations and biomarkers of inflammation and oxidative stress in pregnancy. Reproductive Toxicology 2016, 66: 93-98. PMID: 27751756, PMCID: PMC5125888, DOI: 10.1016/j.reprotox.2016.10.002.Peer-Reviewed Original ResearchConceptsInterquartile range increaseBisphenol AOxidative stressRange increaseUrinary bisphenol A concentrationsC-reactive proteinBiomarkers of inflammationIL-6 concentrationsAdverse birth outcomesPrimary mechanism of actionAssociated with significant increasesRepeated measures analysisBisphenol A exposureBiomarkers of oxidative stressBisphenol A concentrationsMechanism of actionPregnant womenFetal developmentImpact pregnancyInflammation markersBirth outcomesOxidative stress biomarkersIL-6BPA exposurePregnancyMediation of the Relationship between Maternal Phthalate Exposure and Preterm Birth by Oxidative Stress with Repeated Measurements across Pregnancy
Ferguson K, Chen Y, VanderWeele T, McElrath T, Meeker J, Mukherjee B. Mediation of the Relationship between Maternal Phthalate Exposure and Preterm Birth by Oxidative Stress with Repeated Measurements across Pregnancy. Environmental Health Perspectives 2016, 125: 488-494. PMID: 27352406, PMCID: PMC5332184, DOI: 10.1289/ehp282.Peer-Reviewed Original ResearchConceptsExposure-mediator interactionPreterm birthMaternal phthalate exposureNested case-control study of preterm birthCase-control study of preterm birthNested case-control studyPhthalate exposureStudy of preterm birthPhthalate metabolitesOxidative stressSpontaneous preterm birthLongitudinal measurementsMetabolites of di(2-ethylhexyl) phthalateOdds ratioRepeated measuresDi(2-ethylhexyl) phthalateMediation analysisRegression modelsOxidative stress biomarkersEstimated proportionPretermPregnancyInteraction termsBirthAssociation
2015
Associations Between Urinary Bisphenol-A Concentrations And Inflammation And Oxidative Stress Biomarkers Using Repeated Measures During Pregnancy
Ferguson K, Cantonwine D, Mukherjee B, Mcelrath T, Meeker J. Associations Between Urinary Bisphenol-A Concentrations And Inflammation And Oxidative Stress Biomarkers Using Repeated Measures During Pregnancy. ISEE Conference Abstracts 2015, 2015 DOI: 10.1289/isee.2015.2015-1948.Peer-Reviewed Original ResearchBisphenol A concentrationsUrinary bisphenol A concentrationsOxidative stress biomarkersStress biomarkersRepeated measures
2014
Urinary Phthalate Metabolite Associations with Biomarkers of Inflammation and Oxidative Stress Across Pregnancy in Puerto Rico
Ferguson K, Cantonwine D, Rivera-González L, Loch-Caruso R, Mukherjee B, Del Toro L, Jiménez-Vélez B, Calafat A, Ye X, Alshawabkeh A, Cordero J, Meeker J. Urinary Phthalate Metabolite Associations with Biomarkers of Inflammation and Oxidative Stress Across Pregnancy in Puerto Rico. Environmental Science And Technology 2014, 48: 7018-7025. PMID: 24845688, PMCID: PMC4066910, DOI: 10.1021/es502076j.Peer-Reviewed Original ResearchConceptsMono-n-butyl phthalateBiomarkers of inflammationIL-10Prospective cohort study of pregnant womenDi-2-ethylhexyl phthalate metabolitesCohort study of pregnant womenIL-6Study of pregnant womenAssociated with increased IL-6Oxidative stressUrinary phthalate metabolitesC-reactive proteinProspective cohort studyAdverse birth outcomesMetabolites of di-2-ethylhexyl phthalateOxidative stress markersPreterm birthMetabolite associationsPregnant womenMono-n-butylDi-2-ethylhexyl phthalateOxidative stress biomarkersBirth outcomesTNF-aInflammation biomarkers