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 concentrationsErratum: “Urinary Phthalate Metabolites and Biomarkers of Oxidative Stress in Pregnant Women: A Repeated Measures Analysis”
Ferguson K, McElrath T, Chen Y, Mukherjee B, Meeker J. Erratum: “Urinary Phthalate Metabolites and Biomarkers of Oxidative Stress in Pregnant Women: A Repeated Measures Analysis”. Environmental Health Perspectives 2019, 127: 019001. PMID: 30620211, PMCID: PMC6371643, DOI: 10.1289/ehp4854.Peer-Reviewed Original Research
2016
Repeated 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 exposurePregnancy
2014
Urinary Phthalate Metabolites and Biomarkers of Oxidative Stress in Pregnant Women: A Repeated Measures Analysis
Ferguson K, McElrath T, Chen Y, Mukherjee B, Meeker J. Urinary Phthalate Metabolites and Biomarkers of Oxidative Stress in Pregnant Women: A Repeated Measures Analysis. Environmental Health Perspectives 2014, 123: 210-216. PMID: 25402001, PMCID: PMC4348741, DOI: 10.1289/ehp.1307996.Peer-Reviewed Original ResearchConceptsUrinary phthalate metabolitesPhthalate metabolitesMono-n-butyl phthalateBiomarkers of oxidative stressBirth outcomesNested case-control study of preterm birthCase-control study of preterm birthPhthalate exposureStudy of preterm birthStudy of birth outcomesOxidative stressPopulation of pregnant womenNested case-control studyStudy population of pregnant womenAdverse birth outcomesUrine samplesMarkers of oxidative stressRepeated measures analysisHealth end pointsAssociated with significantly higher concentrationsDi(2-ethylhexyl) phthalatePreterm birthPregnant womenMono-n-butylLinear mixed modelsRepeated measures of urinary oxidative stress biomarkers during pregnancy and preterm birth
Ferguson K, McElrath T, Chen Y, Loch-Caruso R, Mukherjee B, Meeker J. Repeated measures of urinary oxidative stress biomarkers during pregnancy and preterm birth. American Journal Of Obstetrics And Gynecology 2014, 212: 208.e1-208.e8. PMID: 25111586, PMCID: PMC4312513, DOI: 10.1016/j.ajog.2014.08.007.Peer-Reviewed Original ResearchConceptsSpontaneous preterm birthPreterm birthAssociated with increased odds of spontaneous preterm birthCases of spontaneous preterm birthOdds of spontaneous preterm birthPathways to preterm birthMechanisms of preterm birthNested case-control studyLevels of 8-isoprostaneOxidative stressUrinary biomarkers of oxidative stressConcentrations of 8-isoprostaneUrinary oxidative stress biomarkersLevels of 8-OHdGMaternal oxidative stressCase-control studyProspective birth cohortUrinary 8-OHdG concentrationsAssociated with increased oddsInvestigate oxidative stressDelivered pretermBiomarkers of oxidative stressPlacental originUrinary concentrations of 8-isoprostanePreterm