2024
Cross-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 correlations
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
2019
Apolipoprotein E gene polymorphism, posttraumatic stress disorder, and cognitive function in older U.S. veterans: Results from the National Health and Resilience in Veterans Study
Averill LA, Abdallah CG, Levey DF, Han S, Harpaz‐Rotem I, Kranzler HR, Southwick SM, Krystal JH, Gelernter J, Pietrzak RH. Apolipoprotein E gene polymorphism, posttraumatic stress disorder, and cognitive function in older U.S. veterans: Results from the National Health and Resilience in Veterans Study. Depression And Anxiety 2019, 36: 834-845. PMID: 31385647, DOI: 10.1002/da.22912.Peer-Reviewed Original ResearchConceptsPosttraumatic stress disorderExecutive functionCognitive functioningStress disorderΕ4 carrier statusΕ4 carriersVeterans StudyCognitive dysfunctionAttention/concentrationGreater cognitive difficultiesLower cognitive functioningOlder U.S. veteransΕ4 allele carrier statusPerseverative errorsCognitive difficultiesReplication sampleCarrier statusCognitive functionImportance of assessingNational HealthCognitive declinePredictive effectApolipoprotein E gene polymorphismE gene polymorphismΕ4 allele carriers