2022
Genetic liability to suicidal thoughts and behaviors and risk of suicide attempt in US military veterans: moderating effects of cumulative trauma burden
Nichter B, Koller D, De Angelis F, Wang J, Girgenti M, Na P, Hill M, Norman S, Krystal J, Gelernter J, Polimanti R, Pietrzak R. Genetic liability to suicidal thoughts and behaviors and risk of suicide attempt in US military veterans: moderating effects of cumulative trauma burden. Psychological Medicine 2022, 53: 6325-6333. PMID: 36444557, DOI: 10.1017/s0033291722003646.Peer-Reviewed Original ResearchConceptsPolygenic risk scoresUS military veteransLifetime suicide attemptsSuicide attemptsTrauma exposureTrauma burdenGenetic liabilityMilitary veteransDrug repurposing analysisPopulation-based sampleCumulative trauma exposureLifetime trauma exposureLow trauma exposureSuicide prediction modelsChronic inflammationInflammatory processNervous system developmentRisk scorePsychiatric characteristicsSuicidal behaviorExposure interactionsLarge genome-wide association studiesHigh levelsVeteransSuicidality
2021
Multi-environment gene interactions linked to the interplay between polysubstance dependence and suicidality
Polimanti R, Levey DF, Pathak GA, Wendt FR, Nunez YZ, Ursano RJ, Kessler RC, Kranzler HR, Stein MB, Gelernter J. Multi-environment gene interactions linked to the interplay between polysubstance dependence and suicidality. Translational Psychiatry 2021, 11: 34. PMID: 33431810, PMCID: PMC7801457, DOI: 10.1038/s41398-020-01153-1.Peer-Reviewed Original ResearchConceptsSuicidal ideationPolysubstance dependenceSuicide attemptsOdds ratioGene-environment interactionsYale-PennMultivariate logistic regressionImportant risk factorMultivariate gene-environment interactionsMental health risksOpioid dependenceRisk factorsNicotine dependenceSuicidality outcomesCocaine dependenceLogistic regressionSubstance dependenceSuicidalityCohortLifetime suicidalityLinear mixed modelsMultiple substancesArmy STARRSArmy personnelHealth risks
2001
Case control and family‐based studies of tryptophan hydroxylase gene A218C polymorphism and suicidality in adolescents
Zalsman G, Frisch A, King R, Pauls D, Grice D, Gelernter J, Alsobrook J, Michaelovsky E, Apter A, Tyano S, Weizman A, Leckman J. Case control and family‐based studies of tryptophan hydroxylase gene A218C polymorphism and suicidality in adolescents. American Journal Of Medical Genetics 2001, 105: 451-457. PMID: 11449398, DOI: 10.1002/ajmg.1406.Peer-Reviewed Original ResearchConceptsSuicidal behaviorSuicide riskA218C polymorphismDetailed clinical historyHaplotype relative riskAssociation of suicidalityTransmission disequilibrium test (TDT) methodsTryptophan hydroxylase geneAdolescent suicidal behaviorClinical historySame ethnic populationRelative riskCase controlAA genotypeControl groupFamily-based studySuicide intentSignificant allelic associationSignificant differencesEthnic populationsStructured interviewsInpatient adolescentsRiskAssociationSuicidality