{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,15]],"date-time":"2026-06-15T20:31:52Z","timestamp":1781555512782,"version":"3.54.5"},"reference-count":34,"publisher":"Wiley","issue":"2","license":[{"start":{"date-parts":[[2011,11,15]],"date-time":"2011-11-15T00:00:00Z","timestamp":1321315200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Alcoholism Clin &amp;amp; Exp Res"],"published-print":{"date-parts":[[2012,2]]},"abstract":"<jats:p>\n            <jats:bold>Background:\u2002<\/jats:bold> Alcohol dependence (AD) vulnerability is determined by a complex array of genetic factors. Given the potential role of endocannabinoid system in AD, polymorphisms within cannabinoid receptor 1 gene (<jats:italic>CNR1)<\/jats:italic> have been potentially associated with susceptibility to this disease. We thus aimed to examine the relationship between 3 allelic variants of <jats:italic>CNR1<\/jats:italic> (rs6454674, rs1049353, and rs806368) and AD.<\/jats:p><jats:p>\n            <jats:bold>Methods:\u2002<\/jats:bold> Genotyping of the aforementioned polymorphisms was carried out by PCR in 298 male alcoholics (187 of them with AD) and 155 healthy controls. Single\u2010marker, haplotype, and interaction analysis were performed to analyze the influence of <jats:italic>CNR1<\/jats:italic> gene on AD susceptibility.<\/jats:p><jats:p>\n            <jats:bold>Results:\u2002<\/jats:bold> We found an association between <jats:italic>CNR1<\/jats:italic> gene and AD after haplotype analysis. Alcoholic patients with TGT haplotype (corresponding to rs6454674\u2010rs1049353\u2010rs806368 polymorphisms in this order) were less prone to have AD (<jats:italic>p\u2003<\/jats:italic>=<jats:italic>\u2003<\/jats:italic>0.017). Besides, alcoholics with a G\/T substitution of the first marker (GGT haplotype) or a C\/T substitution of the third marker (TGC haplotype) were more likely to develop AD (<jats:italic>p\u2003<\/jats:italic>=<jats:italic>\u2003<\/jats:italic>0.006 and 0.004, respectively) and an interaction was found between the G allele of rs6454674 single nucleotide polymorphism (SNP) and the C allele of rs806368 SNP (<jats:italic>p\u2003=\u2003<\/jats:italic>0.009).<\/jats:p><jats:p>\n            <jats:bold>Conclusions:\u2002<\/jats:bold> Our findings support previously reported associations of <jats:italic>CNR1<\/jats:italic> with dependence to alcohol and other substances and emphasizes the relevance of endocannabinoid system in AD.<\/jats:p>","DOI":"10.1111\/j.1530-0277.2011.01623.x","type":"journal-article","created":{"date-parts":[[2011,11,16]],"date-time":"2011-11-16T12:56:29Z","timestamp":1321448189000},"page":"267-271","source":"Crossref","is-referenced-by-count":38,"title":["Cannabinoid 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