2024
Posttraumatic Stress Disorder, Obesity, and Accelerated Epigenetic Aging Among US Military Veterans
Fischer I, Na P, Nagamatsu S, Jeste D, Cabrera-Mendoza B, Montalvo-Ortiz J, Krystal J, Polimanti R, Gelernter J, Pietrzak R. Posttraumatic Stress Disorder, Obesity, and Accelerated Epigenetic Aging Among US Military Veterans. JAMA Psychiatry 2024, 81 PMID: 39476130, PMCID: PMC11581715, DOI: 10.1001/jamapsychiatry.2024.3403.Peer-Reviewed Original Research
2023
Psychosocial moderators of polygenic risk scores of inflammatory biomarkers in relation to GrimAge
Tamman A, Koller D, Nagamatsu S, Cabrera-Mendoza B, Abdallah C, Krystal J, Gelernter J, Montalvo-Ortiz J, Polimanti R, Pietrzak R. Psychosocial moderators of polygenic risk scores of inflammatory biomarkers in relation to GrimAge. Neuropsychopharmacology 2023, 49: 699-708. PMID: 37848731, PMCID: PMC10876568, DOI: 10.1038/s41386-023-01747-5.Peer-Reviewed Original ResearchPolygenic risk scoresRisk scoreGenetic predispositionModifiable psychosocial variablesAge-related morbidityGamma-glutamyl transferaseInflammatory biomarkersSystemic inflammationNational HealthApolipoprotein BMale veteransPsychosocial factorsVeterans StudySaliva samplesPsychosocial moderatorsPsychosocial variablesAntihistamine drugsMilitary veteransGrimAgeGrimAge accelerationInflammationUK BiobankDrugsRepresentative samplePredisposition
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 findingsP79. Are Positive Psychosocial Traits Linked to Epigenetic Aging? Results From a National Sample of U.S. Military Veterans
Nagamatsu S, Pietrzak R, Na P, Krystal J, Gelernter J, Montalvo-Ortiz J. P79. Are Positive Psychosocial Traits Linked to Epigenetic Aging? Results From a National Sample of U.S. Military Veterans. Biological Psychiatry 2022, 91: s119. DOI: 10.1016/j.biopsych.2022.02.313.Peer-Reviewed Original ResearchEpigenome-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 ResearchConceptsEpigenome-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
2019
Accelerated 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