2024
Pleiotropy 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
2022
Associations between moderate alcohol consumption, brain iron, and cognition in UK Biobank participants: Observational and mendelian randomization analyses
Topiwala A, Wang C, Ebmeier KP, Burgess S, Bell S, Levey DF, Zhou H, McCracken C, Roca-Fernández A, Petersen SE, Raman B, Husain M, Gelernter J, Miller KL, Smith SM, Nichols TE. Associations between moderate alcohol consumption, brain iron, and cognition in UK Biobank participants: Observational and mendelian randomization analyses. PLOS Medicine 2022, 19: e1004039. PMID: 35834561, PMCID: PMC9282660, DOI: 10.1371/journal.pmed.1004039.Peer-Reviewed Original ResearchConceptsAlcohol use disorderHigh brain ironModerate alcohol consumptionBrain ironAlcohol consumptionAlcohol intakeUse disordersSubstantia nigraAlcohol-related cognitive declineIron depositionBrain regionsSusceptibility-weighted magnetic resonanceIron accumulationIron levelsBrain iron depositionBrain iron levelsSystemic iron levelsSystemic iron storesAlcohol-related cognitive deficitsBasal ganglia ironElevated liver ironMendelian randomizationWeekly alcohol consumptionUK Biobank participantsExecutive function