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 samplesPrenatal Choline Supplement in a Maternal Obesity Model Modulates Offspring Hepatic Lipidomes
Korsmo H, Kadam I, Reaz A, Bretter R, Saxena A, Johnson C, Caviglia J, Jiang X. Prenatal Choline Supplement in a Maternal Obesity Model Modulates Offspring Hepatic Lipidomes. Nutrients 2023, 15: 965. PMID: 36839327, PMCID: PMC9963284, DOI: 10.3390/nu15040965.Peer-Reviewed Original ResearchConceptsMetabolic-associated fatty liver diseaseMaternal choline supplementationHF feedingHepatic lipidomeCholine supplementationMale offspringFatty liver diseaseChronic metabolic diseaseSemi-essential nutrientsNervonic acidEmbryonic day 17.5MAFLD progressionMaternal obesityLiver diseaseInsulin resistanceMouse offspringObesogenic dietOffspring liverLipid overloadOffspring healthLower oxidative stressMetabolic diseasesCholine supplementsMacronutrient metabolismDay 17.5
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 ResearchMeSH KeywordsAbortion, SpontaneousFemaleFertilityHumansMalePhenolPhenolsPregnancyProspective StudiesTriclosanConceptsEarly 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 functionHemoglobin normalization outperforms other methods for standardizing dried blood spot metabolomics: A comparative study
Jain A, Morris M, Lin EZ, Khan SA, Ma X, Deziel NC, Godri Pollitt KJ, Johnson CH. Hemoglobin normalization outperforms other methods for standardizing dried blood spot metabolomics: A comparative study. The Science Of The Total Environment 2022, 854: 158716. PMID: 36113793, DOI: 10.1016/j.scitotenv.2022.158716.Peer-Reviewed Original ResearchNon-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 ResearchConceptsPolyfluoroalkyl 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
2021
Use of Untargeted Metabolomics to Explore the Air Pollution-Related Disease Continuum
Jin L, Godri Pollitt KJ, Liew Z, Rosen Vollmar AK, Vasiliou V, Johnson CH, Zhang Y. Use of Untargeted Metabolomics to Explore the Air Pollution-Related Disease Continuum. Current Environmental Health Reports 2021, 8: 7-22. PMID: 33420964, DOI: 10.1007/s40572-020-00298-x.Peer-Reviewed Original ResearchConceptsAir pollutant exposureAdverse health effectsSpecific adverse health effectsOxidative stressHealth effectsPerturbation of metabolitesAir pollution exposureUntargeted metabolomicsPollutant exposureSteroid metabolic pathwaysPregnant womenInflammatory responseDisease continuumReviewThe purposeHealth outcomesLarger sample sizeMetabolic pathwaysDisease statusPollution exposureIdentified metabolitesMetabolic perturbationsMetabolic changesSummaryOur reviewAir pollution componentsMetabolomic analysis
2020
Accounting for urinary dilution in peri-implantation samples: implications for creatinine adjustment and specimen pooling
Rosen Vollmar AK, Johnson CH, Weinberg CR, Deziel NC, Baird DD, Wilcox AJ, Jukic AMZ. Accounting for urinary dilution in peri-implantation samples: implications for creatinine adjustment and specimen pooling. Journal Of Exposure Science & Environmental Epidemiology 2020, 31: 356-365. PMID: 32424331, PMCID: PMC7671945, DOI: 10.1038/s41370-020-0227-1.Peer-Reviewed Original ResearchConceptsCreatinine adjustmentCreatinine concentrationUrinary dilutionUrinary estrogen metabolitesEffect of pregnancyUrinary creatinine concentrationCreatinine levelsWeeks' gestationEarly pregnancyCreatinine excretionEstrogen metabolitesCreatinine measuresUrine specimensPooled measureBiomarker measurementsPooled specimensEnvironmental exposuresExposure measuresLinear mixed modelsBiomonitoring resultsPregnancyT-testKappa coefficientMixed modelsPerson sample