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
2021
Kynurenic acid may underlie sex-specific immune responses to COVID-19
Cai Y, Kim DJ, Takahashi T, Broadhurst DI, Yan H, Ma S, Rattray NJW, Casanovas-Massana A, Israelow B, Klein J, Lucas C, Mao T, Moore AJ, Muenker MC, Oh JE, Silva J, Wong P, team Y, Ko AI, Khan SA, Iwasaki A, Johnson CH. Kynurenic acid may underlie sex-specific immune responses to COVID-19. Science Signaling 2021, 14: eabf8483. PMID: 34230210, PMCID: PMC8432948, DOI: 10.1126/scisignal.abf8483.Peer-Reviewed Original ResearchConceptsKynurenic acidImmune responseClinical outcomesSex-specific immune responsesT cell responsesPoor clinical outcomeCOVID-19 patientsCoronavirus disease 2019COVID-19Sex-related differencesMale patientsCytokine abundanceInflammatory cytokinesKynurenine ratioSerum metabolomeDisease 2019Sex-specific linkKynurenine aminotransferaseCell responsesOld malePatientsMalesOutcomesResponseMetabolites
2018
Metabolomics Reveals that Dietary Xenoestrogens Alter Cellular Metabolism Induced by Palbociclib/Letrozole Combination Cancer Therapy
Warth B, Raffeiner P, Granados A, Huan T, Fang M, Forsberg EM, Benton HP, Goetz L, Johnson CH, Siuzdak G. Metabolomics Reveals that Dietary Xenoestrogens Alter Cellular Metabolism Induced by Palbociclib/Letrozole Combination Cancer Therapy. Cell Chemical Biology 2018, 25: 291-300.e3. PMID: 29337187, PMCID: PMC5856613, DOI: 10.1016/j.chembiol.2017.12.010.Peer-Reviewed Original ResearchConceptsEffects of palbociclibPositive breast cancerUS FDA approvalGlobal metabolomics approachMCF-7 cellsCombination therapyBreast cancerEstrogen receptorMetabolic effectsPhytoestrogen genisteinFDA approvalModel xenoestrogenCellular metabolismCancer therapyFunctional assaysXenoestrogensPathway modificationTherapyMetabolomics approachCombination cancer therapyFatty acidsEstrogenic mycotoxin zearalenoneProliferation experimentsMetabolitesMetabolism
2016
Metabolite and Microbiome Interplay in Cancer Immunotherapy
Johnson CH, Spilker ME, Goetz L, Peterson SN, Siuzdak G. Metabolite and Microbiome Interplay in Cancer Immunotherapy. Cancer Research 2016, 76: 6146-6152. PMID: 27729325, PMCID: PMC5093024, DOI: 10.1158/0008-5472.can-16-0309.Peer-Reviewed Original ResearchConceptsMicrobial interactionsRole of metabolitesCancer metabolismColon cancerHost microbiomeBiological originCancer progressionAdenoma/carcinomaPolysaccharide matrixTherapeutic designMetabolomic analysisPotential modulatorsMechanism of actionMicrobiomePolyamine metabolitesCancer immunotherapyBacteriaProximal colonBiofilmsProtective biofilmRecent studiesCancer treatmentMetabolismFuture targetsMetabolitesMetabolomics: beyond biomarkers and towards mechanisms
Johnson CH, Ivanisevic J, Siuzdak G. Metabolomics: beyond biomarkers and towards mechanisms. Nature Reviews Molecular Cell Biology 2016, 17: 451-459. PMID: 26979502, PMCID: PMC5729912, DOI: 10.1038/nrm.2016.25.Peer-Reviewed Original Research
2013
Liquid chromatography quadrupole time-of-flight mass spectrometry characterization of metabolites guided by the METLIN database
Zhu ZJ, Schultz AW, Wang J, Johnson CH, Yannone SM, Patti GJ, Siuzdak G. Liquid chromatography quadrupole time-of-flight mass spectrometry characterization of metabolites guided by the METLIN database. Nature Protocols 2013, 8: 451-460. PMID: 23391889, PMCID: PMC3666335, DOI: 10.1038/nprot.2013.004.Peer-Reviewed Original ResearchConceptsLiquid chromatography-quadrupole timeProfiling experimentsMETLIN metabolite databaseMore populationsSeven-step protocolFlight mass spectrometry characterizationMost biological samplesFlight mass spectrometryMass spectrometry characterizationTandem MSMetabolomic featuresQuadrupole timeComprehensive platformUntargeted metabolomicsMass spectrometryMS dataMETLIN databaseLC-Q-TOFMetabolitesMetabolite databasesBiological samplesThousands of peaks
2012
Novel metabolites and roles for α-tocopherol in humans and mice discovered by mass spectrometry–based metabolomics
Johnson CH, Slanař O, Krausz KW, Kang DW, Patterson AD, Kim JH, Luecke H, Gonzalez FJ, Idle JR. Novel metabolites and roles for α-tocopherol in humans and mice discovered by mass spectrometry–based metabolomics. American Journal Of Clinical Nutrition 2012, 96: 818-830. PMID: 22952181, PMCID: PMC3441109, DOI: 10.3945/ajcn.112.042929.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultAlpha-TocopherolAmino AcidsAnimalsCholesterolChromansChromatography, High Pressure LiquidFemaleGlucuronidesHumansLiverMaleMetabolomicsMiceMice, Inbred C57BLMolecular StructureSpecies SpecificitySpectrometry, Mass, Electrospray IonizationTaurineVitamin E DeficiencyYoung AdultConceptsVitamin EUrinary metabolitesMass spectrometry-based metabolomicsNovel urinary metaboliteLiver fatty acidLiver cholesterolC57BL/6 miceChronic diseasesClinical trialsΑ-tocopherolMouse modelNovel metabolitesVitamin E.Human volunteersDietary supplementsUltraperformance liquid chromatographyMiceSerum samplesInterindividual variationLiver samplesDosingSerumUrineFatty acidsMetabolites