Genome-wide association study identifies a novel locus for cannabis dependence.
- Authors
- Agrawal, A; Chou, Y-L; Carey, C E; Baranger, D A A; Zhang, B; Sherva, R; Wetherill, L; Kapoor, M; Wang, J-C; Bertelsen, S; Anokhin, A P; Hesselbrock, V; Kramer, J; Lynskey, M T; Meyers, J L; Nurnberger, J I; Rice, J P; Tischfield, J; Bierut, L J; Degenhardt, L; Farrer, L A; Gelernter, J; Hariri, A R; Heath, A C; Kranzler, H R; Madden, P A F; Martin, N G; Montgomery, G W; Porjesz, B; Wang, T; Whitfield, J B; Edenberg, H J; Foroud, T; Goate, A M; Bogdan, R; Nelson, E C
- Year
- 2018
- Journal
- Molecular psychiatry
- PMID
- 29112194
- DOI
- 10.1038/mp.2017.200
- PMCID
- PMC5938138
Despite moderate heritability, only one study has identified genome-wide significant loci for cannabis-related phenotypes. We conducted meta-analyses of genome-wide association study data on 2080 cannabis-dependent cases and 6435 cannabis-exposed controls of European descent. A cluster of correlated single-nucleotide polymorphisms (SNPs) in a novel region on chromosome 10 was genome-wide significant (lowest P=1.3E-8). Among the SNPs, rs1409568 showed enrichment for H3K4me1 and H3K427ac marks, suggesting its role as an enhancer in addiction-relevant brain regions, such as the dorsolateral prefrontal cortex and the angular and cingulate gyri. This SNP is also predicted to modify binding scores for several transcription factors. We found modest evidence for replication for rs1409568 in an independent cohort of African American (896 cases and 1591 controls; P=0.03) but not European American (EA; 781 cases and 1905 controls) participants. The combined meta-analysis (3757 cases and 9931 controls) indicated trend-level significance for rs1409568 (P=2.85E-7). No genome-wide significant loci emerged for cannabis dependence criterion count (n=8050). There was also evidence that the minor allele of rs1409568 was associated with a 2.1% increase in right hippocampal volume in an independent sample of 430 EA college students (fwe-P=0.008). The identification and characterization of genome-wide significant loci for cannabis dependence is among the first steps toward understanding the biological contributions to the etiology of this psychiatric disorder, which appears to be rising in some developed nations.
| Name | Type |
|---|---|
| 1000 Genomes Project | cohort |
| AA participants | cohort |
| addiction | phenotype |
| addiction phenotypes | phenotype |
| African American | cohort |
| AL15778.1 local | gene |
| AL356865.1 local | gene |
| AL356865.2 local | gene |
| alcohol dependence | phenotype |
| amygdala | anatomy |
| amygdala volume | phenotype |
| angular gyrus | anatomy |
| ASW | cohort |
| azoospermia local | phenotype |
| behavioral phenotypes | phenotype |
| brain | anatomy |
| brain-derived tissues local | anatomy |
| CACUL1 local | gene |
| Cannabis abuse (DSM-IV) local | phenotype |
| cannabis dependence | phenotype |
| cannabis dependence criterion count local | phenotype |
| cannabis dependence diagnosis local | phenotype |
| Cannabis dependence (DSM-IV) local | phenotype |
| cannabis dependence symptom counts local | phenotype |
| cannabis use | phenotype |
| cannabis use disorder | phenotype |
| Cats | cohort |
| cerebellum | anatomy |
| CEU | cohort |
| cg23182539 local | variant |
| chr10 locus local | variant |
| chromosome 10 SNPs local | variant |
| Chronic cannabis use local | drug |
| cigarettes | phenotype |
| cingulate cortex | anatomy |
| CNR2 | gene |
| COGA-cc local | cohort |
| COGA-ccGWAS local | cohort |
| COGA-f local | cohort |
| COGA-fGWAS local | cohort |
| Collaborative Study on the Genetics of Alcoholism (COGA) | cohort |
| college students | cohort |
| Common Mind Consortium | cohort |
| Comorbidity and Trauma Study local | cohort |
| control | cohort |
| CpG methylation of TIAL1 local | phenotype |
| Crohnβs disease | phenotype |
| CSMD1 | gene |
| CT local | cohort |
| Digit-span performance local | phenotype |
| discovery analysis local | cohort |
| dlPFC | anatomy |
| DNase1 hypersensitivity site local | drug |
| DNS sample local | cohort |
| dorsolateral prefrontal cortex | anatomy |
| DSM-IV alcohol dependence | phenotype |
| DSM-IV cannabis dependence | phenotype |
| DSM-IV cannabis dependence criterion counts local | phenotype |
| Duke Neurogenetics Study | cohort |
| EA participants | cohort |
| endocannabinoid system | drug |
| enhancer | drug |
| ENIGMA meta-analysis local | cohort |
| European ancestry | cohort |
| European population | cohort |
| Five European descent cohorts local | cohort |
| frontal cortex | anatomy |
| genetic liability | phenotype |
| gray matter | anatomy |
| GTEx | cohort |
| H3K27ac | drug |
| H3K27ac marks local | drug |
| H3K4me1 | drug |
| heavy cannabis use | phenotype |
| Higher socioeconomic status | phenotype |
| Hippocampal volume | anatomy |
| hippocampus | anatomy |
| HOXD8 local | gene |
| Illumina platform | drug |
| Independent EA college student cohort local | cohort |
| inferior temporal lobe local | anatomy |
| LDHAP5 local | gene |
| male fertility local | phenotype |
| male reproductive health local | phenotype |
| MEI1 local | gene |
| meta-analysis | cohort |
| middle hippocampus local | anatomy |
| NANOS1 local | gene |
| nicotine dependence | phenotype |
| Occasional cannabis use local | drug |
| opioid dependence | phenotype |
| OZALC | cohort |
| OZALC+ local | cohort |
| POU4F1 | gene |
| POU4F3 | gene |
| Pou6f2 | gene |
| PRLHR local | gene |
| problem cannabis use | phenotype |
| psychiatric disorders | phenotype |
| Regional gray matter volume local | phenotype |
| replication analysis local | cohort |
| right hippocampal volume local | phenotype |
| risk factor | phenotype |
| RP11-215A21.1 local | gene |
| RP11-215A21.2 local | gene |
| RP11-498J9.2 local | gene |
| rs1409568 | variant |
| rs150525973 local | variant |
| rs2287641 local | variant |
| rs7098706 local | variant |
| rs77300175 local | variant |
| rs77378271 | variant |
| SAGE | cohort |
| Sherva et al local | cohort |
| Sherva et al top EA locus local | variant |
| SLC25A18P1 local | gene |
| sperm concentration local | phenotype |
| sperm count local | phenotype |
| striatum | anatomy |
| Stringer et al top 10 signals local | variant |
| study cohort | cohort |
| Study of Addictions: Genes and Environment local | cohort |
| substance use | phenotype |
| substantia nigra | anatomy |
| symptom count | phenotype |
| TIAL1 local | gene |
| TOMM22P5 local | gene |
| Total intracranial volume (ICV) local | phenotype |
| TT | cohort |
| U3 local | gene |
| United States | cohort |
| VAX1 local | gene |
| ventral striatum | anatomy |
| Yale-Penn | cohort |
| Yale-Penn sample | cohort |
| Yale-Penn study | cohort |
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External
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