2024
Association between cannabis use and brain structure and function: an observational and Mendelian randomisation study
Ishrat S, Levey D, Gelernter J, Ebmeier K, Topiwala A. Association between cannabis use and brain structure and function: an observational and Mendelian randomisation study. BMJ Mental Health 2024, 27: e301065. PMID: 39477366, PMCID: PMC11529520, DOI: 10.1136/bmjment-2024-301065.Peer-Reviewed Original ResearchConceptsCannabis useBrain structuresFunctional connectivityHistory of cannabis useResting-state functional connectivityMeasures of brain structureLifetime cannabis useCentral executive networkLifetime cannabis usersWhite matter integrityGenu of the corpus callosumMendelian randomisation analysisAssociated with multiple measuresPoorer white matter integrityInvestigate potential causal relationshipsCannabis usersExecutive networkBrain regionsImaging-derived phenotypesBrain healthCannabisRandomisation analysesTwo-sample Mendelian randomisation analysisFractional anisotropyYoung adulthood
2018
Genome‐wide association meta‐analysis of age at first cannabis use
Minică CC, Verweij KJH, van der Most P, Mbarek H, Bernard M, van Eijk K, Lind PA, Liu MZ, Maciejewski DF, Palviainen T, Sánchez‐Mora C, Sherva R, Taylor M, Walters RK, Abdellaoui A, Bigdeli TB, Branje SJT, Brown SA, Casas M, Corley RP, Davey‐Smith G, Davies GE, Ehli EA, Farrer L, Fedko IO, Garcia‐Martínez I, Gordon SD, Hartman CA, Heath AC, Hickie IB, Hickman M, Hopfer CJ, Hottenga JJ, Kahn RS, Kaprio J, Korhonen T, Kranzler HR, Krauter K, van Lier P, Madden PAF, Medland SE, Neale MC, Meeus WHJ, Montgomery GW, Nolte IM, Oldehinkel AJ, Pausova Z, Ramos‐Quiroga J, Richarte V, Rose RJ, Shin J, Stallings MC, Wall TL, Ware JJ, Wright MJ, Zhao H, Koot HM, Paus T, Hewitt JK, Ribasés M, Loukola A, Boks MP, Snieder H, Munafò MR, Gelernter J, Boomsma DI, Martin NG, Gillespie NA, Vink JM, Derks EM. Genome‐wide association meta‐analysis of age at first cannabis use. Addiction 2018, 113: 2073-2086. PMID: 30003630, PMCID: PMC7087375, DOI: 10.1111/add.14368.Peer-Reviewed Original ResearchConceptsGenome-wide associationSingle nucleotide polymorphismsLinkage disequilibriumTwin-based heritabilityGene-based testsHigh linkage disequilibriumATPase geneWide associationATP2C2 geneChromosome 16Heritability analysisHeritability of ageGenetic variantsNucleotide polymorphismsDiscovery sampleHeritabilityGenesATP2C2Replication sampleEnvironmental factorsRole of calciumIdentified associationsFirst cannabis useFirst cannabisATP2B2