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Between- and within-family association test of the dopamine receptor D2 TaqIA polymorphism and alcohol abuse and dependence in a general population sample ... Journal of Studies on Alcohol and Drugs
By Brett C. Haberstick, David Timberlake, Andrew Smolen, Joseph T. Sakai, Christian J. Hopfer, et. al.
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| List Price: | $9.95 |
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Book Details:
| Format: | Digital, 27 pages. |
| Publisher: | Thomson Gale 2007-05-01 |
| ISBN: | |
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Editorial Reviews:
This digital document is an article from Journal of Studies on Alcohol and Drugs, published by Thomson Gale on May 1, 2007. The length of the article is 7847 words. The page length shown above is based on a typical 300-word page. The article is delivered in HTML format and is available in your Amazon.com Digital Locker immediately after purchase. You can view it with any web browser.
From the author: Objective: Dopaminergic dysfunction has been hypothesized to play an important role in the etiology of alcohol-use disorders. A restriction fragment length polymorphism (RFLP) in the 3' untranslated region (3'UTR) of the DRD2 gene affects gene expression and has been implicated as a risk factor for alcohol dependence. This polymorphism (TaqIA) has been reported as positively associated with alcohol-use disorders in case-control samples, but these results have not been replicated in family-based association studies. The mixed results of association between the DRD2 TaqIA polymorphism and alcohol-use disorders may be the result of differences in sample size, phenotype definition, heterogeneity of the samples, and genetic admixture. Method: We conducted tests of association in a sample of 838 adults participating in the National Youth Survey Family Study (NYSFS). We examined whether the DRD2 TaqIA polymorphism was associated with a symptom-count measure of alcohol abuse and dependence derived from the Diagnostic and Statistical Manual of Mental Disorders, Fourth Edition, and the Craving Withdrawal Model. Results: Tests of association were nonsignificant across each classification system examined. Power calculations suggested that these results were despite the ability to detect an effect size of 1%. Conclusions: This study supports other family-based association tests that have reported no association between the DRD2 TaqIA polymorphism and alcohol abuse and dependence.
Citation Details
Title: Between- and within-family association test of the dopamine receptor D2 TaqIA polymorphism and alcohol abuse and dependence in a general population sample of adults *.(Report)
Author: Brett C. Haberstick
Publication: Journal of Studies on Alcohol and Drugs (Magazine/Journal)
Date: May 1, 2007
Publisher: Thomson Gale
Volume: 68 Issue: 3 Page: 362(9)
Article Type: Report
Distributed by Thomson Gale
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