2023
Identifying Sex-Specific Cancer Metabolites and Associations to Prognosis
Shen X, Ma S, Khan S, Johnson C. Identifying Sex-Specific Cancer Metabolites and Associations to Prognosis. Learning Materials In Biosciences 2023, 271-299. DOI: 10.1007/978-3-031-44256-8_11.Peer-Reviewed Original ResearchMetabolomics dataSurvival analysisCancer metabolitesColorectal cancerCox proportional hazards regression analysisProportional hazards regression analysisHazards regression analysisSex-specific associationsClinical dataCancer patientsCancer prognosisCancerMetabolomicsMultiple comparisonsPrognosisAnalytical methodSurvivalOncology studiesPatientsAlternative analytical approachRegression analysisSex-specificMetabolitesSex interactionAssociation
2020
Analyzing Metabolomics Data for Environmental Health and Exposome Research
Cai Y, Rosen Vollmar AK, Johnson CH. Analyzing Metabolomics Data for Environmental Health and Exposome Research. Methods In Molecular Biology 2020, 2104: 447-467. PMID: 31953830, DOI: 10.1007/978-1-0716-0239-3_22.Peer-Reviewed Original ResearchConceptsLiquid chromatography-mass spectrometryChromatography-mass spectrometryBiological samplesExposure chemicalsExternal exposureSimultaneous analysisExposome researchHealth outcomesDisease preventionUnique advantagesBiological responsesUntargeted metabolomicsExposure risk assessmentHost susceptibilityMetabolomics technologyExposomeMetabolomic analysisRecent advancesSpectrometryExposureUntargeted metabolomics dataMetabolomicsHuman healthMetabolomics dataCumulative measure
2019
Normalizing Untargeted Periconceptional Urinary Metabolomics Data: A Comparison of Approaches
Vollmar A, Rattray NJW, Cai Y, Santos-Neto ÁJ, Deziel NC, Jukic AMZ, Johnson CH. Normalizing Untargeted Periconceptional Urinary Metabolomics Data: A Comparison of Approaches. Metabolites 2019, 9: 198. PMID: 31546636, PMCID: PMC6835889, DOI: 10.3390/metabo9100198.Peer-Reviewed Original ResearchUrinary metabolomics dataKidney functionOrthogonal partial least squares discriminant analysisUntargeted mass spectrometry-based metabolomics analysisCreatinine adjustmentUrine samplesMetabolomic analysisEarly-life exposomeMass spectrometry-based metabolomics analysisTime of conceptionSpecific gravity adjustmentCritical developmental windowMaternal urineEarly pregnancyPericonceptional periodUrinary concentrationsPost-implantation samplesUrinary dilutionUntargeted metabolomics analysisUrine concentrationsUnsupervised principal component analysisStudy objectiveDevelopmental windowMetabolomics dataMetabolomics studies