2023
Urinary Paraben Concentrations and Associations with the Periconceptional Urinary Metabolome: Untargeted and Targeted Metabolomics Analyses of Participants from the Early Pregnancy Study
Vollmar A, Rattray N, Cai Y, Jain A, Yan H, Deziel N, Calafat A, Wilcox A, Jukic A, Johnson C. Urinary Paraben Concentrations and Associations with the Periconceptional Urinary Metabolome: Untargeted and Targeted Metabolomics Analyses of Participants from the Early Pregnancy Study. Environmental Health Perspectives 2023, 131: 097006. PMID: 37702489, PMCID: PMC10498870, DOI: 10.1289/ehp12125.Peer-Reviewed Original ResearchConceptsUrinary paraben concentrationsDiet-related metabolitesEarly Pregnancy StudyUrinary metabolomePregnancy StudyParaben concentrationsReproductive functionMultivariable linear regressionFemale reproductive functionDietary exposure assessmentUltrahigh-performance liquid chromatography-quadrupole timeMetabolomic analysisParaben exposureProspective cohortLiquid chromatography-quadrupole timeOrthogonal partial least squares discriminant analysisPericonceptional periodPotential confoundersUrinary concentrationsMetabolomic markersNutritional epidemiologyUnivariate statistical analysisExposure informationCritical windowUrine samples
2022
Urinary phenol concentrations and fecundability and early pregnancy loss
Vollmar A, Weinberg C, Baird D, Wilcox A, Calafat A, Deziel N, Johnson C, Jukic A. Urinary phenol concentrations and fecundability and early pregnancy loss. Human Reproduction 2022, 38: 139-155. PMID: 36346334, PMCID: PMC10089295, DOI: 10.1093/humrep/deac230.Peer-Reviewed Original ResearchConceptsEarly pregnancy lossPregnancy lossUrinary phenol concentrationsIntraclass correlation coefficientMenstrual cycleNational InstituteDaily first-morning urine specimensPhenol exposureEnvironmental Health SciencesFirst morning urine specimensLogistic regressionSTUDY FUNDING/COMPETINGMultivariable logistic regressionPARTICIPANTS/MATERIALSROLE OF CHANCEIntramural Research ProgramClinical miscarriageProspective cohortIncreased oddsLive birthsEpidemiologic studiesUrine specimensHealth SciencesEndocrine-disrupting potentialReproductive functionNon-targeted metabolomics and associations with per- and polyfluoroalkyl substances (PFAS) exposure in humans: A scoping review
Guo P, Furnary T, Vasiliou V, Yan Q, Nyhan K, Jones DP, Johnson CH, Liew Z. Non-targeted metabolomics and associations with per- and polyfluoroalkyl substances (PFAS) exposure in humans: A scoping review. Environment International 2022, 162: 107159. PMID: 35231839, PMCID: PMC8969205, DOI: 10.1016/j.envint.2022.107159.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultAlkanesulfonic AcidsChildEnvironmental PollutantsFemaleFluorocarbonsHumansLipid MetabolismMetabolomicsPregnancyProspective StudiesConceptsPolyfluoroalkyl substances (PFAS) exposureSubstance exposurePFAS exposureNon-pregnant adultsNon-targeted metabolomicsLiquid chromatography-mass spectrometryHigh-resolution liquid chromatography-mass spectrometryFatty acid oxidationChromatography-mass spectrometryPregnant womenBiological membrane functionMetabolic pathway alterationsEpidemiological studiesTryptophan metabolismHuman studiesMetabolomic signaturePathway alterationsLipid metabolismLipid metabolitesGlycerophospholipid metabolismProspective designHuman physiological changesMetabolomic profilesAnalytical platformMetabolome changes