2023
Prenatal per- and polyfluoroalkyl substances (PFAS) exposure in relation to preterm birth subtypes and size-for-gestational age in the LIFECODES cohort 2006–2008
Siwakoti R, Cathey A, Ferguson K, Hao W, Cantonwine D, Mukherjee B, McElrath T, Meeker J. Prenatal per- and polyfluoroalkyl substances (PFAS) exposure in relation to preterm birth subtypes and size-for-gestational age in the LIFECODES cohort 2006–2008. Environmental Research 2023, 237: 116967. PMID: 37634691, PMCID: PMC10913455, DOI: 10.1016/j.envres.2023.116967.Peer-Reviewed Original ResearchConceptsLarge-for-gestational agePreterm birth subtypesBayesian kernel machine regressionSize-for-gestational ageSmall-for-gestational agePreterm birthFetal sexPregnancy outcomesSex-specific estimatesIncreased risk of adverse pregnancy outcomesInterquartile range increaseRisk of adverse pregnancy outcomesBayesian kernel machine regression analysisEarly pregnancy samplesAdverse pregnancy outcomesCase-control studyPrenatal PFAS exposureAssociations of polyfluoroalkyl substancesBW z-scoreEffects of polyfluoroalkyl substancesKernel machine regressionEffect modificationEffects of prenatal exposureRange increaseStratified analysisAdverse birth outcomes are associated with circulating matrix metalloproteinases among pregnant women in Puerto Rico
Kim C, Cathey A, Watkins D, Mukherjee B, Rosario-Pabón Z, Vélez-Vega C, Alshawabkeh A, Cordero J, Meeker J. Adverse birth outcomes are associated with circulating matrix metalloproteinases among pregnant women in Puerto Rico. Journal Of Reproductive Immunology 2023, 159: 103991. PMID: 37454540, PMCID: PMC10726844, DOI: 10.1016/j.jri.2023.103991.Peer-Reviewed Original ResearchConceptsBirth outcomesMatrix metalloproteinasesFetal sexPregnant womenFemale fetusesNewborn lengthVisit 3Associated with increased odds of preeclampsiaVisit 1Impact of matrix metalloproteinasesCustomized Luminex assayGestational diabetes mellitusOdds of preeclampsiaAdverse birth outcomesAssociated with increased oddsGestational ageHealthy pregnancyMale fetusesUterine remodelingLuminex assayLogistic regression modelsDiabetes mellitusStudy visitsInverse associationExtracellular matrix
2022
Biomarkers of Exposure to Phthalate Mixtures and Adverse Birth Outcomes in a Puerto Rico Birth Cohort
Cathey A, Watkins D, Rosario Z, Vélez C, Mukherjee B, Alshawabkeh A, Cordero J, Meeker J. Biomarkers of Exposure to Phthalate Mixtures and Adverse Birth Outcomes in a Puerto Rico Birth Cohort. Environmental Health Perspectives 2022, 130: 037009. PMID: 35333099, PMCID: PMC8953418, DOI: 10.1289/ehp8990.Peer-Reviewed Original ResearchConceptsSpontaneous preterm birthPreterm birthFetal sexGestational agePregnancy outcomesBirth outcomesBayesian kernel machine regressionPhthalate metabolitesRisk of early deliveryAssociated with increased odds of PTBOdds of preterm birthPhthalate mixtureReduced gestational ageIndividual phthalate metabolitesMeasures of birth weightAssociated with increased riskPhthalate metabolite mixturesAdverse birth outcomesAssociated with increased oddsPuerto Rico TestsiteEnvironmental risk scoreEarly deliveryBirth weightPregnancy cohortLongitudinal pregnancy cohortMediation by hormone concentrations on the associations between repeated measures of phthalate mixture exposure and timing of delivery
Cathey A, Aung M, Watkins D, Rosario Z, Vélez Vega C, Alshawabkeh A, Cordero J, Mukherjee B, Meeker J. Mediation by hormone concentrations on the associations between repeated measures of phthalate mixture exposure and timing of delivery. Journal Of Exposure Science & Environmental Epidemiology 2022, 32: 374-383. PMID: 34987188, PMCID: PMC9124667, DOI: 10.1038/s41370-021-00408-3.Peer-Reviewed Original ResearchMeSH KeywordsEnvironmental PollutantsFemaleGestational AgeHormonesHumansInfant, NewbornMalePhthalic AcidsPregnancyPremature BirthConceptsSpontaneous preterm birthPreterm birthCorticotropin-releasing hormoneFetal sexMale fetusesEarly deliveryHormone concentrationsAssociated with earlier deliveryPhthalate exposurePhthalate mixtureReduced gestational ageTime of deliveryEnvironmental risk scoreGestational ageFemale fetusesUrinary phthalatesSex-specific analysesEndocrine-disrupting capabilitiesReleasing hormoneSerum hormonesFetusesRisk scoreSusceptible to endocrine disruptionBirth cohortHormone
2021
Performance of urine, blood, and integrated metal biomarkers in relation to birth outcomes in a mixture setting
Ashrap P, Watkins D, Mukherjee B, Rosario-Pabón Z, Vélez-Vega C, Alshawabkeh A, Cordero J, Meeker J. Performance of urine, blood, and integrated metal biomarkers in relation to birth outcomes in a mixture setting. Environmental Research 2021, 200: 111435. PMID: 34097892, PMCID: PMC8403638, DOI: 10.1016/j.envres.2021.111435.Peer-Reviewed Original ResearchMeSH KeywordsBiomarkersCohort StudiesFemaleHumansInfant, NewbornMetalsPregnancyPremature BirthPuerto RicoConceptsEnvironmental risk scoreIntraclass correlation coefficientBirth outcomesBody mass indexWeighted quantile sumOdds ratio of preterm birthSecond-hand smoke exposurePre-pregnancy body mass indexOdds of preterm birthAssociated with birth outcomesIncreased odds of preterm birthPractice study designHealth effectsPreterm birthMaternal educationIncreased oddsOdds ratioSmoke exposureStudy designMaternal ageMass indexArea under the curveRisk scoreLogistic regressionConfidence intervalsMaternal lipidomic signatures in relation to spontaneous preterm birth and large-for-gestational age neonates
Aung M, Ashrap P, Watkins D, Mukherjee B, Rosario Z, Vélez-Vega C, Alshawabkeh A, Cordero J, Meeker J. Maternal lipidomic signatures in relation to spontaneous preterm birth and large-for-gestational age neonates. Scientific Reports 2021, 11: 8115. PMID: 33854141, PMCID: PMC8046995, DOI: 10.1038/s41598-021-87472-9.Peer-Reviewed Original ResearchConceptsSpontaneous preterm birthBiomarkers of pregnancy outcomesGestational age neonatesPreterm birthAge neonatesPregnancy outcomesDegree of hydrocarbon chain saturationIncreased riskNeonatal anthropometric parametersAssociated with increased riskPlasmenyl phosphatidylethanolamineMaternal lipidomeWeeks gestationGestational ageLipidomic signatureAnthropometric parametersLiquid chromatography tandem mass spectrometryLipidomic profilesLipid metabolitesHydrocarbon chain saturationPlasma samplesBirthLogistic regressionHigh-performance liquid chromatography tandem mass spectrometryNeonatesPsychosocial status modifies the effect of maternal blood metal and metalloid concentrations on birth outcomes
Ashrap P, Aker A, Watkins D, Mukherjee B, Rosario-Pabón Z, Vélez-Vega C, Alshawabkeh A, Cordero J, Meeker J. Psychosocial status modifies the effect of maternal blood metal and metalloid concentrations on birth outcomes. Environment International 2021, 149: 106418. PMID: 33548848, PMCID: PMC7897320, DOI: 10.1016/j.envint.2021.106418.Peer-Reviewed Original ResearchConceptsAdverse birth outcomesPsychosocial statusBirth outcomesBody mass indexPsychosocial stressPreterm birthOdds ratioAssociated with adverse birth outcomesPre-pregnancy body mass indexSecond-hand smoke exposurePrenatal psychosocial stressPregnant womenBlood metalsClusters of womenEffects of psychosocial stressPuerto Rico TestsiteIncreased odds ratioSocial supportPerceived stressMaternal educationAdverse associationOverall preterm birthLow birth weightSpontaneous preterm birthCohort study
2020
Application of an analytical framework for multivariate mediation analysis of environmental data
Aung M, Song Y, Ferguson K, Cantonwine D, Zeng L, McElrath T, Pennathur S, Meeker J, Mukherjee B. Application of an analytical framework for multivariate mediation analysis of environmental data. Nature Communications 2020, 11: 5624. PMID: 33159049, PMCID: PMC7648785, DOI: 10.1038/s41467-020-19335-2.Peer-Reviewed Original ResearchMaternal blood metal and metalloid concentrations in association with birth outcomes in Northern Puerto Rico
Ashrap P, Watkins D, Mukherjee B, Boss J, Richards M, Rosario Z, Vélez-Vega C, Alshawabkeh A, Cordero J, Meeker J. Maternal blood metal and metalloid concentrations in association with birth outcomes in Northern Puerto Rico. Environment International 2020, 138: 105606. PMID: 32179314, PMCID: PMC7198231, DOI: 10.1016/j.envint.2020.105606.Peer-Reviewed Original ResearchMeSH KeywordsBayes TheoremFemaleGestational AgeHumansInfant, NewbornMaternal ExposureMetalloidsPregnancyPremature BirthPuerto RicoConceptsBayesian kernel machine regressionShorter gestational agePreterm birthGestational ageEnvironmental risk scoreBirth outcomesMetal concentrationsNon-essential metal(loid)sHigher risk of preterm birthRisk of preterm birthLow-level prenatal lead exposureInterquartile rangeOdds of preterm birthAssociated with higher risk of preterm birthRisk scoreEffects of metalsPredictors of birth outcomesAssociated with birth outcomesBayesian kernel machine regression modelsBirthweight z-scoreAssociated with adverse birth outcomesAssociated with higher riskAdverse birth outcomesKernel machine regressionPuerto Rico Testsite
2018
The associations between prenatal exposure to triclocarban, phenols and parabens with gestational age and birth weight in northern Puerto Rico
Aker A, Ferguson K, Rosario Z, Mukherjee B, Alshawabkeh A, Cordero J, Meeker J. The associations between prenatal exposure to triclocarban, phenols and parabens with gestational age and birth weight in northern Puerto Rico. Environmental Research 2018, 169: 41-51. PMID: 30412856, PMCID: PMC6347499, DOI: 10.1016/j.envres.2018.10.030.Peer-Reviewed Original ResearchConceptsAssociated with gestational ageGestational ageOdds of SGAInfant sexBirth outcomesStudy visitsVisit 1Odds of preterm birthOdds of LGAAssociated with adverse birth outcomesBirthweight z-scoreBiomarker concentrationsAdverse birth outcomesPuerto Rico TestsitePreterm birthPregnant womenBirth weightUrinary biomarker concentrationsExposure biomarkersLogistic regression modelsVisit 3SGADecreased oddsZ-scoreCalculate oddsAssociations between repeated ultrasound measures of fetal growth and biomarkers of maternal oxidative stress and inflammation in pregnancy
Ferguson K, Kamai E, Cantonwine D, Mukherjee B, Meeker J, McElrath T. Associations between repeated ultrasound measures of fetal growth and biomarkers of maternal oxidative stress and inflammation in pregnancy. American Journal Of Reproductive Immunology 2018, 80: e13017. PMID: 29984454, PMCID: PMC6160349, DOI: 10.1111/aji.13017.Peer-Reviewed Original ResearchConceptsAssociated with reduced fetal growthFetal growthAssociated with poorer childAdult health outcomesOxidative stress markersBirth cohort studyInterquartile rangeAssociated with head circumferenceRepeated-measures modelFetal weight z-scoreAssociated with fetal weightOxidative stressHealth outcomesStandard deviation decreaseWeight z-scoreStress markersSecondary analysisMaternal oxidative stressCohort studyZ-scoreFetal weightMaternal inflammationDeviation decreasePreterm birthHead circumference
2017
Environmental phenol associations with ultrasound and delivery measures of fetal growth
Ferguson K, Meeker J, Cantonwine D, Mukherjee B, Pace G, Weller D, McElrath T. Environmental phenol associations with ultrasound and delivery measures of fetal growth. Environment International 2017, 112: 243-250. PMID: 29294443, PMCID: PMC5899051, DOI: 10.1016/j.envint.2017.12.011.Peer-Reviewed Original ResearchMeSH KeywordsBirth WeightFemaleFetal DevelopmentHumansInfant, NewbornMaleMaternal ExposurePhenolPregnancyProspective StudiesConceptsInverse associationBirth weight z-scoreWeight z-scoreZ-scoreFetal weightInterquartile range differenceFetal growthBirth weightUltrasound estimationUltrasound estimation of fetal weightEstimation of fetal weightLIFECODES birth cohortStandard deviation decreaseEstimated fetal weightBirth cohortOutcome measuresInvestigate sex differencesWomen's HospitalPregnant womenStudy populationStudy visitsDeviation decreaseDelivery measuresPregnancyAssociationSubclinical Changes in Maternal Thyroid Function Parameters in Pregnancy and Fetal Growth
Johns L, Ferguson K, Cantonwine D, Mukherjee B, Meeker J, McElrath T. Subclinical Changes in Maternal Thyroid Function Parameters in Pregnancy and Fetal Growth. The Journal Of Clinical Endocrinology & Metabolism 2017, 103: 1349-1358. PMID: 29293986, PMCID: PMC6018657, DOI: 10.1210/jc.2017-01698.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultAsymptomatic DiseasesBirth WeightCase-Control StudiesFemaleFetal DevelopmentHumansInfant, NewbornPregnancyPregnancy ComplicationsPremature BirthProspective StudiesSocioeconomic FactorsThyroid DiseasesThyroid Function TestsThyroid GlandThyroid HormonesThyroxineUltrasonography, PrenatalYoung AdultConceptsBirth weight z-scoreOvert thyroid diseaseThyroid function parametersWeight z-scoreFetal growthThyroid diseaseInverse associationPregnant womenMeasurements of estimated fetal weightSubclinical changesIndices of fetal growthCase-control study of preterm birthStudy of preterm birthZ-scoreAbnormal fetal growthMaternal thyroid functionWeeks of gestationInfluence fetal growthZ-score decreaseThyroid-stimulating hormoneProspective birth cohortCase-control studyFunction parametersFetal weightPreterm birthThyroid hormone parameters during pregnancy in relation to urinary bisphenol A concentrations: A repeated measures study
Aung M, Johns L, Ferguson K, Mukherjee B, McElrath T, Meeker J. Thyroid hormone parameters during pregnancy in relation to urinary bisphenol A concentrations: A repeated measures study. Environment International 2017, 104: 33-40. PMID: 28410473, PMCID: PMC5497503, DOI: 10.1016/j.envint.2017.04.001.Peer-Reviewed Original ResearchConceptsThyroid hormone parametersHormonal parametersStudy visitsCases of preterm birthInterquartile rangeSupply of thyroid hormonesNormal birth outcomesUrinary bisphenol A concentrationsNested case-control studyThyrotropin (TSHContext of pregnancyUrinary BPA concentrationsUrinary bisphenol ACase-control studyIn vitro studiesPreterm birthTSH levelsMultivariate linear regression modelPregnant womenFetal developmentFree T4Visit 3Measures analysisBirth outcomesPregnancy
2016
Utilizing Longitudinal Measures of Fetal Growth to Create a Standard Method to Assess the Impacts of Maternal Disease and Environmental Exposure
Cantonwine D, Ferguson K, Mukherjee B, Chen Y, Smith N, Robinson J, Doubilet P, Meeker J, McElrath T. Utilizing Longitudinal Measures of Fetal Growth to Create a Standard Method to Assess the Impacts of Maternal Disease and Environmental Exposure. PLOS ONE 2016, 11: e0146532. PMID: 26731406, PMCID: PMC4701464, DOI: 10.1371/journal.pone.0146532.Peer-Reviewed Original ResearchConceptsFetal growthCohort study populationContemporary obstetric practiceZ-scoreNon-anomalous pregnanciesFetal sizeAssociated with increased fetal sizeClinical dataIncreased risk of perinatal morbidityMixed modelsRisk of perinatal morbidityStandard populationAssociated with fetal growthMeasures of fetal growthPrenatal careAssociated with factorsLinear mixed modelsMaternal BMIObstetric practiceEpidemiological researchMaternal smokingTrimester ultrasound evaluationSuboptimal fetal growthUS populationImpact fetal growth
2015
Associations between Maternal Biomarkers of Phthalate Exposure and Inflammation Using Repeated Measurements across Pregnancy
Ferguson K, McElrath T, Mukherjee B, Loch-Caruso R, Meeker J. Associations between Maternal Biomarkers of Phthalate Exposure and Inflammation Using Repeated Measurements across Pregnancy. PLOS ONE 2015, 10: e0135601. PMID: 26317519, PMCID: PMC4552851, DOI: 10.1371/journal.pone.0135601.Peer-Reviewed Original ResearchConceptsC-reactive proteinPregnant womenPhthalate exposureInvestigate inflammationInflammation biomarkersAnalysis of pregnant womenAssociated with adverse reproductive outcomesBiomarkers of phthalate exposureUrinary phthalate metabolitesAssociated with IL-6Plasma inflammation biomarkersMono-benzyl phthalateAdverse reproductive outcomesStatistically significant associationUrinary metabolite concentrationsMaternal biomarkersPeripheral inflammationPhthalate effectsPhthalate metabolitesIL-6Reproductive outcomesInflammationMono-benzylSignificant associationTarget tissuesStatistical methods for modeling repeated measures of maternal environmental exposure biomarkers during pregnancy in association with preterm birth
Chen Y, Ferguson K, Meeker J, McElrath T, Mukherjee B. Statistical methods for modeling repeated measures of maternal environmental exposure biomarkers during pregnancy in association with preterm birth. Environmental Health 2015, 14: 9. PMID: 25619201, PMCID: PMC4417225, DOI: 10.1186/1476-069x-14-9.Peer-Reviewed Original ResearchMeSH KeywordsAdultAge FactorsBiomarkersBostonCase-Control StudiesCross-Sectional StudiesData Interpretation, StatisticalEnvironmental ExposureFemaleHazardous SubstancesHumansInfant, NewbornMaternal ExposureMiddle AgedModels, StatisticalPhthalic AcidsPregnancyPremature BirthSocioeconomic FactorsYoung AdultConceptsPreterm birthEnvironmental chemical exposuresMeasures of urinary phthalate metabolitesNested case-control studyCross-sectional analysisAverage exposureMeasures of exposureCase-control studyUrinary phthalate metabolitesModel repeated measuresEpidemiological research projectsLongitudinal exposureRepeated measuresPremature birthPretermEnvironmental exposure biomarkersExposure measurementsUrinary metabolitesMaternal factorsPhthalate metabolitesPregnancyStudy of phthalatesLongitudinal predictorsChemical exposureBirth
2014
Latent variable models for gene–environment interactions in longitudinal studies with multiple correlated exposures
Tao Y, Sánchez B, Mukherjee B. Latent variable models for gene–environment interactions in longitudinal studies with multiple correlated exposures. Statistics In Medicine 2014, 34: 1227-1241. PMID: 25545894, PMCID: PMC4355187, DOI: 10.1002/sim.6401.Peer-Reviewed Original ResearchMeSH KeywordsBiostatisticsChild, PreschoolComputer SimulationEnvironmental ExposureFemaleGene-Environment InteractionHemochromatosis ProteinHistocompatibility Antigens Class IHumansInfantInfant, NewbornLead PoisoningLongitudinal StudiesMembrane ProteinsMexicoModels, GeneticModels, StatisticalPolymorphism, Single NucleotidePregnancyPrenatal Exposure Delayed EffectsConceptsGene-environment interactionsOutcome measuresCohort studyHealth effects of environmental exposuresEnvironmental exposuresInvestigate health effectsGene-environment associationsEffects of environmental exposuresEarly life exposuresLV frameworkG x E effectsMultivariate exposuresGenotyped single nucleotide polymorphismsEffect modificationShrinkage estimatorsLife exposureExposure measurementsSingle nucleotide polymorphismsData-adaptive wayMultiple testingOutcome dataLongitudinal studyLongitudinal natureGenetic factorsNucleotide polymorphismsRepeated 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-isoprostanePretermVariability in urinary phthalate metabolite levels across pregnancy and sensitive windows of exposure for the risk of preterm birth
Ferguson K, McElrath T, Ko Y, Mukherjee B, Meeker J. Variability in urinary phthalate metabolite levels across pregnancy and sensitive windows of exposure for the risk of preterm birth. Environment International 2014, 70: 118-124. PMID: 24934852, PMCID: PMC4104181, DOI: 10.1016/j.envint.2014.05.016.Peer-Reviewed Original ResearchConceptsAdjusted odds ratiosUrinary phthalate metabolite levelsPreterm birthPhthalate metabolite levelsOdds ratioOdds of preterm birthAssociated with increased odds of preterm birthIncreased risk of delivering pretermCases of preterm birthWeeks of completed gestationRisk of delivering pretermAssociated with increased oddsMetabolite levelsPresentation of preeclampsiaSignificant public health problemSpontaneous preterm birthIntrauterine growth restrictionLongitudinal birth cohortPhthalate metabolite concentrationsPublic health problemBirth outcomesBirth cohortGrowth restrictionThird trimesterPregnant women