2017
Investigating the Impact of Maternal Residential Mobility on Identifying Critical Windows of Susceptibility to Ambient Air Pollution During Pregnancy
Warren JL, Son JY, Pereira G, Leaderer BP, Bell ML. Investigating the Impact of Maternal Residential Mobility on Identifying Critical Windows of Susceptibility to Ambient Air Pollution During Pregnancy. American Journal Of Epidemiology 2017, 187: 992-1000. PMID: 29053768, PMCID: PMC5928458, DOI: 10.1093/aje/kwx335.Peer-Reviewed Original ResearchConceptsLow birth weightTerm low birth weightMaternal residential mobilityBirth weightCritical windowBirth cohortWeekly exposurePregnancy week 16Adverse birth outcomesWindow of susceptibilityAmbient air pollutionPregnancy windowsBirth outcomesWeek 16Mother's residencePM10 exposurePregnancyResidential addressesExposure misclassificationDisease developmentCohortAir pollutionExposureAerodynamic diameterPossible mechanismTraffic‐related air pollution associations with cytokeratin‐18, a marker of hepatocellular apoptosis, in an overweight and obese paediatric population
Hsieh S, Leaderer BP, Feldstein AE, Santoro N, McKay LA, Caprio S, McConnell R. Traffic‐related air pollution associations with cytokeratin‐18, a marker of hepatocellular apoptosis, in an overweight and obese paediatric population. Pediatric Obesity 2017, 13: 342-347. PMID: 28730729, PMCID: PMC5775922, DOI: 10.1111/ijpo.12228.Peer-Reviewed Original ResearchConceptsNon-alcoholic fatty liver diseaseTraffic-related air pollutionNon-alcoholic steatohepatitisHepatic fat fractionCK-18Pre-existing non-alcoholic fatty liver diseaseCytokeratin 18Fatty liver diseaseObese pediatric populationPediatric obesity clinicNitrogen dioxide exposureMagnetic resonance imagingObesity clinicStudy entryFatty liverLiver diseaseObese childrenPediatric populationLiver enzymesLiver susceptibilityHepatocellular apoptosisAnimal modelsResidential buffersResonance imagingAir pollution associations
2016
Indoor microbial communities: Influence on asthma severity in atopic and nonatopic children
Dannemiller KC, Gent JF, Leaderer BP, Peccia J. Indoor microbial communities: Influence on asthma severity in atopic and nonatopic children. Journal Of Allergy And Clinical Immunology 2016, 138: 76-83.e1. PMID: 26851966, PMCID: PMC5357886, DOI: 10.1016/j.jaci.2015.11.027.Peer-Reviewed Original ResearchConceptsAsthma severityAtopic statusAtopic childrenNonatopic childrenLogistic regressionMicrobial exposureChildhood asthma severityCohort of childrenAsthmatic childrenAllergenic fungal speciesTotal fungal concentrationsSeverityHouse dustCryptococcus speciesExposure metricsChildrenT-testCohortQuantitative PCRFungal concentrationsAssociationExposureNext-generation DNA sequencingStatusRegressionA systematic evaluation of chemicals in hydraulic-fracturing fluids and wastewater for reproductive and developmental toxicity
Elliott EG, Ettinger AS, Leaderer BP, Bracken MB, Deziel NC. A systematic evaluation of chemicals in hydraulic-fracturing fluids and wastewater for reproductive and developmental toxicity. Journal Of Exposure Science & Environmental Epidemiology 2016, 27: 90-99. PMID: 26732376, DOI: 10.1038/jes.2015.81.Peer-Reviewed Original ResearchConceptsWater quality standardsFederal water quality standardsQuality standardsHuman health impactsNatural gas developmentEnvironmental concentrationsHundreds of substancesDevelopmental toxicityReprotox databasesHuman exposureToxicity informationGas developmentExposure assessmentIncorporation of dataHealth StudyHealth impactsSystematic screening approachHydraulic-fracturing fluidsChemical Abstract Service Registry NumbersCandidate analytesChemicalsDrinking waterLikely etiologic agentWastewaterUnconventional oil
2015
Distributions of heavy metals in maternal and cord blood and the association with infant birth weight in China.
Hu X, Zheng T, Cheng Y, Holford T, Lin S, Leaderer B, Qiu J, Bassig BA, Shi K, Zhang Y, Niu J, Zhu Y, Li Y, Guo H, Chen Q, Zhang J, Xu S, Jin Y. Distributions of heavy metals in maternal and cord blood and the association with infant birth weight in China. The Journal Of Reproductive Medicine 2015, 60: 21-9. PMID: 25745747, PMCID: PMC4961246.Peer-Reviewed Original ResearchConceptsInfant birth weightCord blood samplesBirth weightCord bloodBlood samplesChinese pregnant womenMother-infant pairsBirth outcomesSerum levelsPregnant womenPrenatal exposureSerum concentrationsChinese infantsMultiple linear regression analysisLarger sample sizeLinear regression analysisSignificant associationChinese womenPilot studyBloodRegression analysisNewbornsAssociationWomenHigh concentrations
2014
Ambient air pollutant PM10 and risk of preterm birth in Lanzhou, China
Zhao N, Qiu J, Zhang Y, He X, Zhou M, Li M, Xu X, Cui H, Lv L, Lin X, Zhang C, Zhang H, Xu R, Zhu D, Lin R, Yao T, Su J, Dang Y, Han X, Zhang H, Bai H, Chen Y, Tang Z, Wang W, Wang Y, Liu X, Ma B, Liu S, Qiu W, Huang H, Liang J, Chen Q, Jiang M, Ma S, Jin L, Holford T, Leaderer B, Bell ML, Liu Q, Zhang Y. Ambient air pollutant PM10 and risk of preterm birth in Lanzhou, China. Environment International 2014, 76: 71-77. PMID: 25553395, PMCID: PMC4526148, DOI: 10.1016/j.envint.2014.12.009.Peer-Reviewed Original ResearchConceptsPreterm birthEntire pregnancyClinical subtypesUnconditional logistic regression modelingVery preterm birthSingleton live birthsBirth cohort studyLimited epidemiologic studiesMonths of pregnancyExposure time windowsLogistic regression modelingHigh-level exposureHealth policy makersHigh exposure levelsLast 6weeksCohort studyVery pretermRisk factorsLive birthsPM10 exposureEpidemiologic studiesAir pollution levelsPregnancyLevel exposureExposure levels
2013
Household Levels of Nitrogen Dioxide and Pediatric Asthma Severity
Belanger K, Holford TR, Gent JF, Hill ME, Kezik JM, Leaderer BP. Household Levels of Nitrogen Dioxide and Pediatric Asthma Severity. Epidemiology 2013, 24: 320-330. PMID: 23337243, PMCID: PMC3686297, DOI: 10.1097/ede.0b013e318280e2ac.Peer-Reviewed Original ResearchConceptsAsthma severityNight symptomsAsthma morbiditySeverity scoreNO2 exposureHigher asthma severity scoresFrequency of wheezeIndoor NO2 exposurePediatric asthma severityRescue medication useIndoor allergen exposureAsthma severity scoreAdverse respiratory effectsDose-dependent increaseYears of ageInner-city childrenLogistic regression modelsRescue medicationActive asthmaAllergen exposureAsthmatic childrenMedication useRespiratory effectsChildren 5Health outcomes
2012
Household mold and dust allergens: Exposure, sensitization and childhood asthma morbidity
Gent JF, Kezik JM, Hill ME, Tsai E, Li DW, Leaderer BP. Household mold and dust allergens: Exposure, sensitization and childhood asthma morbidity. Environmental Research 2012, 118: 86-93. PMID: 22863552, PMCID: PMC3604733, DOI: 10.1016/j.envres.2012.07.005.Peer-Reviewed Original ResearchConceptsRisk of wheezeSpecific allergen sensitizationRescue medication useChildhood asthma morbidityAsthma severity scoreMedication useAllergen sensitizationPersistent coughAsthma morbiditySeverity scoreHigher asthma severity scoresCommon household allergensCommon indoor allergensFel d 1Der p 1Asthma exacerbationsAllergen exposureLevel of exposureAsthmatic childrenDer pAllergy testingIndoor allergensSchool-aged childrenPet allergensDust allergensAn environmental epigenetic study of ADRB2 5′‐UTR methylation and childhood asthma severity
Fu A, Leaderer BP, Gent JF, Leaderer D, Zhu Y. An environmental epigenetic study of ADRB2 5′‐UTR methylation and childhood asthma severity. Clinical & Experimental Allergy 2012, 42: 1575-1581. PMID: 22862293, PMCID: PMC3673701, DOI: 10.1111/j.1365-2222.2012.04055.x.Peer-Reviewed Original ResearchConceptsChildhood asthma severityAsthma severitySevere asthmaSignificant associationSevere childhood asthmaBeta-agonist treatmentBeta-2 adrenergic receptorsImportant environmental exposuresAsthma exacerbationsAsthma medicationsMild asthmaChildhood asthmaSurrogate biomarkerMethylation-specific PCRPotential joint effectsClinical relevanceAdrenergic receptorsAsthmaADRB2SeverityEnvironmental exposuresIndoor exposureChildrenAssociationBloodRelationship between birth weight and exposure to airborne fine particulate potassium and titanium during gestation
Bell ML, Belanger K, Ebisu K, Gent JF, Leaderer BP. Relationship between birth weight and exposure to airborne fine particulate potassium and titanium during gestation. Environmental Research 2012, 117: 83-89. PMID: 22705336, PMCID: PMC3418490, DOI: 10.1016/j.envres.2012.05.004.Peer-Reviewed Original ResearchConceptsLow birth weightBirth weightAdverse pregnancy outcomesPregnancy outcomesTerm infantsAirborne fine particulate matterStudy populationIQR increaseMothers' exposureAfrican American mothersFirst birthInfantsEffect estimatesConfidence intervalsWhite mothersPregnancyHealth impactsRiskExposureFine particulate matterMothersMost studiesGestationWeightEffects of Ambient Pollen Concentrations on Frequency and Severity of Asthma Symptoms Among Asthmatic Children
DellaValle CT, Triche EW, Leaderer BP, Bell ML. Effects of Ambient Pollen Concentrations on Frequency and Severity of Asthma Symptoms Among Asthmatic Children. Epidemiology 2012, 23: 55-63. PMID: 22082997, PMCID: PMC3246281, DOI: 10.1097/ede.0b013e31823b66b8.Peer-Reviewed Original ResearchConceptsShortness of breathRescue medication useAsthma maintenance medicationsMaintenance medicationPersistent coughSensitized childrenChest tightnessNight symptomsAsthmatic childrenMedication usePollen exposureSeverity of asthmaDaily respiratory symptomsWeed pollenLogistic regression analysisLow exposureSeparate logistic regression analysesAsthmatic symptomsRespiratory symptomsDaily symptomsAntibiotic useSymptom outcomesDaily ambientMedicationsAmbient pollen concentrations
2011
Urban land-use and respiratory symptoms in infants
Ebisu K, Holford TR, Belanger KD, Leaderer BP, Bell ML. Urban land-use and respiratory symptoms in infants. Environmental Research 2011, 111: 677-684. PMID: 21530957, PMCID: PMC3114197, DOI: 10.1016/j.envres.2011.04.004.Peer-Reviewed Original ResearchAssociation of maternal anemia with increased wheeze and asthma in children
Triche EW, Lundsberg LS, Wickner PG, Belanger K, Leaderer BP, Bracken MB. Association of maternal anemia with increased wheeze and asthma in children. Annals Of Allergy Asthma & Immunology 2011, 106: 131-139.e1. PMID: 21277514, PMCID: PMC3073499, DOI: 10.1016/j.anai.2010.11.007.Peer-Reviewed Original ResearchConceptsMaternal anemiaEarly-onset transientRespiratory health outcomesChildren of womenOffspring of mothersRespiratory disease developmentChildren of mothersYears of ageEarly childhoodAge 3Delivery hospitalizationsRecurrent wheezeCurrent asthmaAsthma diagnosisChildhood asthmaInfant wheezeMaternal nutritionRespiratory healthWheezeAsthmaAnemiaHealth outcomesPregnancyAnemia diagnosisMicronutrient status
2010
Prenatal Exposure to Fine Particulate Matter and Birth Weight
Bell ML, Belanger K, Ebisu K, Gent JF, Lee HJ, Koutrakis P, Leaderer BP. Prenatal Exposure to Fine Particulate Matter and Birth Weight. Epidemiology 2010, 21: 884-891. PMID: 20811286, PMCID: PMC3055585, DOI: 10.1097/ede.0b013e3181f2f405.Peer-Reviewed Original Research
2009
Household airborne Penicillium associated with peak expiratory flow variability in asthmatic children
Bundy KW, Gent JF, Beckett W, Bracken MB, Belanger K, Triche E, Leaderer BP. Household airborne Penicillium associated with peak expiratory flow variability in asthmatic children. Annals Of Allergy Asthma & Immunology 2009, 103: 26-30. PMID: 19663123, PMCID: PMC2746059, DOI: 10.1016/s1081-1206(10)60139-1.Peer-Reviewed Original ResearchConceptsPeak expiratory flow variabilityExpiratory flow variabilityAsthmatic childrenAirway hyperreactivityPeak expiratory flowYears of ageLogistic regression modelsAsthma prevalencePhysician diagnosisExpiratory flowChildren 6HyperreactivityChildrenAirborne mold concentrationsRegression modelsAgeCommon moldsIndoor fungiExposureMold concentrationsHomeAsthmaAirborne fungiTotal moldPrevalenceSymptoms and Medication Use in Children with Asthma and Traffic-Related Sources of Fine Particle Pollution
Gent JF, Koutrakis P, Belanger K, Triche E, Holford TR, Bracken MB, Leaderer BP. Symptoms and Medication Use in Children with Asthma and Traffic-Related Sources of Fine Particle Pollution. Environmental Health Perspectives 2009, 117: 1168-1174. PMID: 19654929, PMCID: PMC2717146, DOI: 10.1289/ehp.0800335.Peer-Reviewed Original ResearchConceptsMedication useInhaler useLikelihood of wheezeExacerbation of asthmaMeasures logistic regression modelsRisk of symptomsRespiratory health effectsYears of ageHealth outcomes riskLikelihood of symptomsLogistic regression modelsAsthma 4Outcome riskAsthmaHealth outcomesDaily exposureSymptomsHealth effectsStudy diariesParticle exposureHealth impactsChildrenPublic healthExposureRegression models
2006
Comparison of parental reports of smoking and residential air nicotine concentrations in children
Gehring U, Leaderer B, Heinrich J, Oldenwening M, Giovannangelo M, Nordling E, Merkel G, Hoek G, Bellander T, Brunekreef B. Comparison of parental reports of smoking and residential air nicotine concentrations in children. Occupational And Environmental Medicine 2006, 63: 766. PMID: 16912089, PMCID: PMC2077986, DOI: 10.1136/oem.2006.027151.Peer-Reviewed Original ResearchConceptsAir nicotine concentrationsEnvironmental tobacco smokeUrinary cotinine measurementsNicotine concentrationsETS exposureResidential exposureCotinine measurementsPredictive valueAir nicotine levelsUrinary cotinine levelsUrinary cotinine concentrationsChildren's residential exposureQuestionnaire reportsDose-response fashionResidential ETS exposureNegative predictive valuePositive predictive valueAir nicotineCotinine levelsCotinine concentrationsSymptomatic childrenOccasional smokersSymptom statusTobacco smokeNicotine levels
2005
Indoor nitrous acid and respiratory symptoms and lung function in adults
Jarvis D, Leaderer B, Chinn S, Burney P. Indoor nitrous acid and respiratory symptoms and lung function in adults. Thorax 2005, 60: 474. PMID: 15923247, PMCID: PMC1747426, DOI: 10.1136/thx.2004.032177.Peer-Reviewed Original ResearchConceptsLung functionRespiratory symptomsHealth effectsIndoor NO2Lower lung functionMore respiratory symptomsNon-significant increaseFEV1/Expiratory volumeVital capacityRelevant confoundersSecond percentageEpidemiological studiesSignificant associationSymptomsHome levelAssociationAdultsOutdoor levelsHigh levelsLevelsFailureConfoundersMonths
2001
Use of Health Services by Insurance Status Among Children With Asthma
Ortega A, Belanger K, Paltiel A, Horwitz S, Bracken M, Leaderer B. Use of Health Services by Insurance Status Among Children With Asthma. Medical Care 2001, 39: 1065-1074. PMID: 11567169, DOI: 10.1097/00005650-200110000-00004.Peer-Reviewed Original ResearchConceptsPrimary care visitsHealth care useEmergency departmentInsurance statusCare visitsAsthmatic childrenMedication useCare useAsthma-related risk factorsRoutine primary care visitsProspective cohort studyHealth care visitsHealth care utilizationChildhood asthma severityPatient-provider communicationWhite childrenMedical DictionaryNew England hospitalsRace/ethnicityAsthma specialistCohort studyMedicaid childrenAsthma severityIndependent predictorsCare utilizationMaternal Caffeine Intake and Intrauterine Growth Retardation
Grosso L, Rosenberg K, Belanger K, Saftlas A, Leaderer B, Bracken M. Maternal Caffeine Intake and Intrauterine Growth Retardation. Epidemiology 2001, 12: 447-455. PMID: 11428387, DOI: 10.1097/00001648-200107000-00015.Peer-Reviewed Original ResearchConceptsIntrauterine growth retardationMonth 7Fetal growthMonths 1Caffeine consumptionGrowth retardationMaternal caffeine consumptionMaternal caffeine intakeThird trimesterCigarette smokingLiveborn infantsEffect modificationCaffeine intakeSoda drinkingPregnancyAdverse effectsLittle evidenceCaffeine associationCaffeineRetardationTrimesterSmokingInfantsIntakeWomen