2023
Profiling neuronal methylome and hydroxymethylome of opioid use disorder in the human orbitofrontal cortex
Rompala G, Nagamatsu S, Martínez-Magaña J, Nuñez-Ríos D, Wang J, Girgenti M, Krystal J, Gelernter J, Hurd Y, Montalvo-Ortiz J. Profiling neuronal methylome and hydroxymethylome of opioid use disorder in the human orbitofrontal cortex. Nature Communications 2023, 14: 4544. PMID: 37507366, PMCID: PMC10382503, DOI: 10.1038/s41467-023-40285-y.Peer-Reviewed Original ResearchConceptsOpioid use disorderMulti-omics findingsGene expression patternsCo-methylation analysisGene expression profilesMulti-omics profilingGene networksDNA methylationNeuronal methylomesDNA hydroxymethylationMethylomic analysisExpression patternsExpression profilesEpigenetic disturbancesUse disordersPsychiatric traitsOrbitofrontal cortexOpioid-related drugsPostmortem orbitofrontal cortexEnvironmental factorsDrug interaction analysisOUD treatmentHuman orbitofrontal cortexOpioid signalingInteraction analysis
2022
Dissecting the epigenomic differences between smoking and nicotine dependence in a veteran cohort
Nagamatsu S, Pietrzak R, Xu K, Krystal J, Gelernter J, Montalvo‐Ortiz J. Dissecting the epigenomic differences between smoking and nicotine dependence in a veteran cohort. Addiction Biology 2022, 28: e13259. PMID: 36577721, DOI: 10.1111/adb.13259.Peer-Reviewed Original ResearchConceptsSmoking statusNicotine dependenceVeteran cohortNon-current smokersSerious public health issueNovel treatment strategiesPublic health issueUS military veteransEpigenome-wide association studiesCurrent smokersTreatment strategiesFagerström TestNicotine addictionSmokingHealth issuesRole of epigeneticsMilitary veteransMethylationEPIC BeadChip arraySmokersContinuous variablesF2RL3 geneCohortBiomarkersBeadChip arrayPrevious findingsPsychosocial Factors Associated With Accelerated GrimAge in Male U.S. Military Veterans
Tamman AJF, Nagamatsu S, Krystal JH, Gelernter J, Montalvo-Ortiz JL, Pietrzak RH. Psychosocial Factors Associated With Accelerated GrimAge in Male U.S. Military Veterans. American Journal Of Geriatric Psychiatry 2022, 31: 97-109. PMID: 36210262, DOI: 10.1016/j.jagp.2022.09.002.Peer-Reviewed Original ResearchConceptsRisk factorsPremature mortalityU.S. veteransPsychosocial variablesNovel epigenetic clockLifetime substance use disorderRisk stratification modelMale U.S. veteransCross-sectional studyU.S. veteran populationWeekly physical exerciseSubstance use disordersMale U.S. military veteransBiological agingU.S. military veteransHealth morbidityModifiable correlatesMortality riskSleep qualityHigh riskGreater oddsUse disordersPhysical exercisePsychosocial factorsVeteran populationEpigenome-wide association study of posttraumatic stress disorder identifies novel loci in U.S. military veterans
Montalvo-Ortiz JL, Gelernter J, Cheng Z, Girgenti MJ, Xu K, Zhang X, Gopalan S, Zhou H, Duman RS, Southwick SM, Krystal JH, Pietrzak R. Epigenome-wide association study of posttraumatic stress disorder identifies novel loci in U.S. military veterans. Translational Psychiatry 2022, 12: 65. PMID: 35177594, PMCID: PMC8854688, DOI: 10.1038/s41398-022-01822-3.Peer-Reviewed Original ResearchMeSH KeywordsDNA MethylationEpigenomeGenome-Wide Association StudyHumansMaleStress Disorders, Post-TraumaticVeteransConceptsEpigenome-wide association studiesAssociation studiesTranscription regulationCpG sitesGenome-wide association studiesCell type proportionsPosttraumatic stress disorderPotential epigenetic biomarkersSignificant CpG sitesEpigenetic mechanismsDNA methylationNovel lociCell signalingEpigenetic biomarkersMethylation analysisAxonal guidanceNovel molecular biomarkersEPIC BeadChipLifetime posttraumatic stress disorderMilitary veteransPostmortem brain tissueMedial orbitofrontal cortexMolecular biomarkersRegulationU.S. military veterans
2020
DNA methylation signature on phosphatidylethanol, not on self-reported alcohol consumption, predicts hazardous alcohol consumption in two distinct populations
Liang X, Justice AC, So-Armah K, Krystal JH, Sinha R, Xu K. DNA methylation signature on phosphatidylethanol, not on self-reported alcohol consumption, predicts hazardous alcohol consumption in two distinct populations. Molecular Psychiatry 2020, 26: 2238-2253. PMID: 32034291, PMCID: PMC8440221, DOI: 10.1038/s41380-020-0668-x.Peer-Reviewed Original ResearchConceptsHazardous alcohol drinkingSelf-reported alcohol consumptionAlcohol consumptionCohort 2Cohort 1Epigenome-wide association studiesSelf-reported dataHazardous alcohol consumptionAlcohol use disorderDNAm signaturesObjective measuresAlcohol drinkingClinical assessmentUse disordersRobust biomarkersDNA methylation signaturesValidation setDistinct populationsCharacteristic curvePEthEpigenetic biomarkersMethylation signatures
2019
Epigenome‐Wide DNA Methylation Association Analysis Identified Novel Loci in Peripheral Cells for Alcohol Consumption Among European American Male Veterans
Xu K, Montalvo‐Ortiz J, Zhang X, Southwick SM, Krystal JH, Pietrzak RH, Gelernter J. Epigenome‐Wide DNA Methylation Association Analysis Identified Novel Loci in Peripheral Cells for Alcohol Consumption Among European American Male Veterans. Alcohol Clinical And Experimental Research 2019, 43: 2111-2121. PMID: 31386212, PMCID: PMC9377208, DOI: 10.1111/acer.14168.Peer-Reviewed Original ResearchConceptsEpigenome-wide association studiesDNA methylationCpG sitesSignificant CpG sitesHigh-density methylation arraysNovel DNA methylation sitesNew CpG sitesDNA methylation sitesEpigenome-wide DNA methylationAmino acid transportIndividual CpG sitesGene lengthPeripheral cellsNovel lociDNA sitesKEGG databaseMethylation sitesEnrichment analysisMethylation arraysAssociation studiesAssociation analysisGenesMethylationAcid transportFalse discovery rateAccelerated DNA Methylation Aging in U.S. Military Veterans: Results From the National Health and Resilience in Veterans Study
Tamman AJF, Montalvo-Ortiz JL, Southwick SM, Krystal JH, Levy BR, Pietrzak RH. Accelerated DNA Methylation Aging in U.S. Military Veterans: Results From the National Health and Resilience in Veterans Study. American Journal Of Geriatric Psychiatry 2019, 27: 528-532. PMID: 30792041, DOI: 10.1016/j.jagp.2019.01.001.Peer-Reviewed Original ResearchConceptsNational HealthPsychosocial factorsVeterans StudyMale U.S. veteransLifetime trauma burdenAccelerated DNA methylation agingDNA methylation agingU.S. military veteransMethylation agingTrauma burdenU.S. veteransPrevention effortsAdditional correlatesNegative beliefsMilitary veteransSexual traumaVeteransTraumatic stressDNA methylationHealthChild sexual traumaBody massRepresentative sample
2018
Machine learning selected smoking-associated DNA methylation signatures that predict HIV prognosis and mortality
Zhang X, Hu Y, Aouizerat BE, Peng G, Marconi VC, Corley MJ, Hulgan T, Bryant KJ, Zhao H, Krystal JH, Justice AC, Xu K. Machine learning selected smoking-associated DNA methylation signatures that predict HIV prognosis and mortality. Clinical Epigenetics 2018, 10: 155. PMID: 30545403, PMCID: PMC6293604, DOI: 10.1186/s13148-018-0591-z.Peer-Reviewed Original ResearchConceptsWhite blood cellsSmoking-associated DNA methylationHIV prognosisInfection-related clinical outcomesBlood cellsSmoking-associated CpGsHIV-positive individualsImmune-related outcomesEpigenome-wide significant CpGsClinical outcomesTobacco smokingVeteran populationSurvival rateDNA methylation indexMortalityFrailtyHIVMethylation indexPrognosisMethylation signaturesDNA methylationOutcomesCell cycleCpGSignificant CpGs
2017
DNA methylation signatures of illicit drug injection and hepatitis C are associated with HIV frailty
Zhang X, Hu Y, Justice AC, Li B, Wang Z, Zhao H, Krystal JH, Xu K. DNA methylation signatures of illicit drug injection and hepatitis C are associated with HIV frailty. Nature Communications 2017, 8: 2243. PMID: 29269866, PMCID: PMC5740109, DOI: 10.1038/s41467-017-02326-1.Peer-Reviewed Original ResearchConceptsIllicit drug injectionHepatitis C infectionWhite blood cellsIllicit drug useCo-occurring conditionsMethylation signaturesDiscovery sampleC infectionHepatitis CEpigenome-wide association analysisLower frailtyDrug injectionHigh frailtyImmune functionHealth outcomesDrug useFrailtyDNA methylation signaturesBlood cellsHIVReplication sampleEpigenetic programmingSignificant CpGsEpigenetic effectsIndividuals