Shared genetics of ADHD, cannabis use disorder and cannabis use and prediction of cannabis use disorder in ADHD
Nielsen T, Duan J, Levey D, Walters G, Johnson E, Thorgeirsson T, Werge T, Mortensen P, Stefansson H, Stefansson K, Hougaard D, Agrawal A, Gelernter J, Grove J, Børglum A, Demontis D. Shared genetics of ADHD, cannabis use disorder and cannabis use and prediction of cannabis use disorder in ADHD. Nature Mental Health 2024, 2: 1071-1083. DOI: 10.1038/s44220-024-00277-3.Peer-Reviewed Original ResearchAttention-deficit hyperactivity disorderCannabis use disorderCannabis useUse disorderPolygenic scoresComorbid cannabis use disorderStudies of attention-deficit hyperactivity disorderCross-disorder genome-wide association studySubstance-use disordersIncreased polygenic scoresBrain developmental stagesRisk genesCross-disorderConditions co-occurringPsychiatric disordersHyperactivity disorderGenome-wide significant lociSubstance useRare deleterious variantsCannabisDisordersSignificant lociDeleterious variantsSex-specific differencesBrainCross-ancestry genetic investigation of schizophrenia, cannabis use disorder, and tobacco smoking
Johnson E, Austin-Zimmerman I, Thorpe H, Levey D, Baranger D, Colbert S, Demontis D, Khokhar J, Davis L, Edenberg H, Di Forti M, Sanchez-Roige S, Gelernter J, Agrawal A. Cross-ancestry genetic investigation of schizophrenia, cannabis use disorder, and tobacco smoking. Neuropsychopharmacology 2024, 49: 1655-1665. PMID: 38906991, PMCID: PMC11399264, DOI: 10.1038/s41386-024-01886-3.Peer-Reviewed Original ResearchCannabis use disorderUse disorderPleiotropic lociCo-occurring substance useHeavy cannabis useInvestigation of schizophreniaSubstance use disordersGenome-wide studiesGenetic factorsMental health conditionsExecutive functionCannabis useSubstance useLead variantsSchizophreniaGenetic variantsEuropean ancestryEuropean ancestry dataRisk-takingSCZHeritable factorsCannabisDisordersTobacco smokeGenetic correlationsGene × environment effects and mediation involving adverse childhood events, mood and anxiety disorders, and substance dependence
Kranzler H, Davis C, Feinn R, Jinwala Z, Khan Y, Oikonomou A, Silva-Lopez D, Burton I, Dixon M, Milone J, Ramirez S, Shifman N, Levey D, Gelernter J, Hartwell E, Kember R. Gene × environment effects and mediation involving adverse childhood events, mood and anxiety disorders, and substance dependence. Nature Human Behaviour 2024, 8: 1616-1627. PMID: 38834750, DOI: 10.1038/s41562-024-01885-w.Peer-Reviewed Original ResearchAdverse childhood eventsSubstance dependenceMood/anxiety disordersAnxiety disordersChildhood eventsIndirect associationsGenetic riskExposure to adverse childhood eventsDevelopment of moodSubstance use disordersAssociations of adverse childhood eventsUse disorderMediation modelMood/anxietyDisorder factorsPolygenic scoresIndirect pathsDisordersEuropean ancestry individualsMoodTreatment approachesAnxietySelf-medicationEuropean ancestryLatent variablesDissecting the Relationships Between Cannabis Use Disorder and Schizophrenia Using Genome-Wide Approaches
Johnson E, Levey D, Baranger D, Colbert S, Gelernter J, Agrawal A. Dissecting the Relationships Between Cannabis Use Disorder and Schizophrenia Using Genome-Wide Approaches. Biological Psychiatry 2024, 95: s28-s29. DOI: 10.1016/j.biopsych.2024.02.075.Peer-Reviewed Original ResearchGenetic influences and causal pathways shared between cannabis use disorder and other substance use traits
Galimberti M, Levey D, Deak J, Zhou H, Stein M, Gelernter J. Genetic influences and causal pathways shared between cannabis use disorder and other substance use traits. Molecular Psychiatry 2024, 29: 2905-2910. PMID: 38580809, PMCID: PMC11419938, DOI: 10.1038/s41380-024-02548-y.Peer-Reviewed Original ResearchSubstance use disordersProblematic alcohol useSubstance use traitsCannabis use disorderCannabis useOpioid use disorderUse disorderGenomic structural equation modelingSmoking initiationLifetime cannabis useLegalization of cannabis useGlobal genetic correlationsProblematic substance useStructural equation modelingNicotine dependenceGenetic influencesCannabisSubstance useFagerstrom TestAlcohol useMendelian randomizationBidirectional relationshipGenetic correlationsDisordersSmoking cessationPleiotropy and genetically inferred causality linking multisite chronic pain to substance use disorders
Koller D, Friligkou E, Stiltner B, Pathak G, Løkhammer S, Levey D, Zhou H, Hatoum A, Deak J, Kember R, Treur J, Kranzler H, Johnson E, Stein M, Gelernter J, Polimanti R. Pleiotropy and genetically inferred causality linking multisite chronic pain to substance use disorders. Molecular Psychiatry 2024, 29: 2021-2030. PMID: 38355787, PMCID: PMC11324857, DOI: 10.1038/s41380-024-02446-3.Peer-Reviewed Original ResearchMultisite chronic painSubstance use disordersChronic painUK BiobankUse disorderMillion Veteran ProgramSNP-based heritabilityGenome-wide association statisticsMR analysisPotential causal relationshipVeteran ProgramPleiotropy analysisTobacco usePleiotropic variantsOpioid use disorderAssociation statisticsCannabis use disorderAlcohol use disorderMeta-analysesBrain-wide analysisImaging phenotypesBi-directional relationshipPainPleiotropyBiobankGenetic contribution to the comorbidity between attention-deficit/hyperactivity disorder and substance use disorders
Koller D, Mitjans M, Kouakou M, Friligkou E, Cabrera-Mendoza B, Deak J, Llonga N, Pathak G, Stiltner B, Løkhammer S, Levey D, Zhou H, Hatoum A, Kember R, Kranzler H, Stein M, Corominas R, Demontis D, Artigas M, Ramos-Quiroga J, Gelernter J, Ribasés M, Cormand B, Polimanti R. Genetic contribution to the comorbidity between attention-deficit/hyperactivity disorder and substance use disorders. Psychiatry Research 2024, 333: 115758. PMID: 38335780, PMCID: PMC11157987, DOI: 10.1016/j.psychres.2024.115758.Peer-Reviewed Original ResearchConceptsUse disorderGenome-wide association studiesGenomic structural equation modelingCannabis use disorderAlcohol Use Disorders Identification TestAttention-deficit/hyperactivity disorderAlcohol use disorderProblematic alcohol useSubstance use disordersTwo-sample Mendelian randomization analysisLinkage disequilibrium score regression analysisDisorders Identification TestMendelian randomization analysisAssociated with increased oddsOdds of ADHDOpioid use disorderAttention-deficit/hyperactivityGWAS meta-analysesAlcohol dependenceStructural equation modelingNicotine dependenceInvestigate genetic correlationsADHDPolygenic riskStrength of evidence