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多巴胺受体 D4(DRD4)基因第 3 外显子 VNTR 多态性与墨西哥裔美国人酗酒的关联性。

The association of exon 3 VNTR polymorphism of the dopamine receptor D4 (DRD4) gene with alcoholism in Mexican Americans.

机构信息

Department of Pharmacology, Toxicology and Therapeutics, The University of Kansas Medical Center, Kansas City, KS 66160, USA.

出版信息

Psychiatry Res. 2010 May 30;177(3):358-60. doi: 10.1016/j.psychres.2010.02.021. Epub 2010 Apr 1.

Abstract

In this study, the variable number tandem repeats (VNTR) polymorphism of a 48-bp sequence located in exon 3 of the dopamine receptor D4 (DRD4) gene was genotyped in 365 alcoholic and 337 non-alcoholic Mexican Americans. Logistic regression showed that genotypes without the 7-repeat allele were risk factors for alcoholism. However, linear regression did not find an association between DRD4 VNTR and MAXDRINKS, which was defined as the maximum number of drinks consumed within 24h. Our results indicate the presence of an association between DRD4 VNTR and alcoholism in Mexican Americans.

摘要

在这项研究中,对位于多巴胺受体 D4(DRD4)基因外显子 3 中的一个 48 碱基对序列的可变数串联重复(VNTR)多态性,在 365 名酗酒的和 337 名非酗酒的墨西哥裔美国人中进行了基因分型。逻辑回归显示,没有 7 个重复等位基因的基因型是酗酒的危险因素。然而,线性回归没有发现 DRD4 VNTR 与 MAXDRINKS 之间的关联,后者定义为 24 小时内消耗的最大饮料量。我们的结果表明,DRD4 VNTR 与墨西哥裔美国人的酗酒之间存在关联。

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