Evidence for Association Between Polymorphisms in the Cannabinoid Receptor 1 (CNR1) Gene and Cannabis Dependence

被引:58
作者
Agrawal, Arpana [1 ]
Wetherill, Leah [2 ]
Dick, Danielle M. [3 ]
Xuei, Xiaoling [2 ]
Hinrichs, Anthony [1 ]
Hesselbrock, Victor [4 ]
Kramer, John [5 ]
Nurnberger, John I., Jr. [2 ]
Schuckit, Marc [6 ]
Bierut, Laura J. [1 ]
Edenberg, Howard J. [2 ]
Foroud, Tatiana [2 ]
机构
[1] Washington Univ, Sch Med, Dept Psychiat, St Louis, MO 63110 USA
[2] Indiana Univ, Sch Med, Indianapolis, IN USA
[3] VCU, Virginia Inst Psychiat & Behav Genet, Richmond, VA USA
[4] Univ Connecticut, Ctr Hlth, Farmington, CT USA
[5] Univ Iowa, Coll Med, Iowa City, IA USA
[6] Univ Calif San Diego, San Diego, CA 92103 USA
关键词
CNR1; cannabis dependence; COGA; pedigree disequilibrium test; association; NATIONAL EPIDEMIOLOGIC SURVEY; USE DISORDERS; FAMILIAL TRANSMISSION; SUBSTANCE DEPENDENCE; SMOKING-CESSATION; UNITED-STATES; LINKAGE SCAN; ALCOHOL; DRUG; ABUSE;
D O I
10.1002/ajmg.b.30881
中图分类号
Q3 [遗传学];
学科分类号
071007 [遗传学];
摘要
Genomic studies of cannabis use disorders have been limited. The cannabinoid receptor 1 gene (CNR1) on chromosome 6q14-15 is an excellent candidate gene for cannabis dependence due to the important role of the G-protein coupled receptor encoded by this gene in the rewarding effects of Delta 9-tetrahydrocannabinol. Previous studies have found equivocal evidence for an association between SNPs in CNR1 and a general vulnerability to substance use disorders. We investigate the association between 9 SNPs spanning CNR1 and cannabis dependence in 1,923 individuals. Two SNPs that were previously associated with cannabis dependence in other studies were also significant with this phenotype in our analyses [rs806368 (P = 0.05) and rs806380 (P = 0.009)]. Haplotype analyses revealed the association to be largely driven by the SNP rs806380. These results suggest a role for the cannabinoid receptor 1 gene in cannabis dependence. (C) 2008 Wiley-Liss, Inc.
引用
收藏
页码:736 / 740
页数:5
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