To determine the role of genes in the chromosomal regions 11p15 and 4p12 in the development of alcohol dependence, a sample of alcoholics (n = 133) and normal controls (n = 89) were screened using polymorphisms in the dopamine D4 receptor (DRD4), tyrosine hydroxylase (TH), and GABA receptor 1 (GABR
Human ?-opioid receptor gene and susceptibility to heroin and alcohol dependence
✍ Scribed by Franke, Petra; N�then, Markus M.; Wang, Tao; Neidt, Helge; Knapp, Michael; Lichtermann, Dirk; Weiffenbach, Olaf; Mayer, Peter; H�llt, Volker; Propping, Peter; Maier, Wolfgang
- Publisher
- John Wiley and Sons
- Year
- 1999
- Tongue
- English
- Weight
- 10 KB
- Volume
- 88
- Category
- Article
- ISSN
- 0148-7299
- DOI
- 10.1002/(sici)1096-8628(19991015)88:5<462::aid-ajmg4>3.0.co;2-s
No coin nor oath required. For personal study only.
✦ Synopsis
In the present study, we tested the hypothesis that addictive behavior may be influenced by genetic variation in the human ␦-opioid receptor gene. We investigated the contribution of a silent T to C change in the coding region to the development of heroin and alcohol dependence using large casecontrol and family-based association samples. Presence of the C allele was previously reported to significantly increase the risk for heroin dependence. In the present study, however, we did not find statistically significant differences between patients and controls nor did we find preferential transmission of the C allele from parents to affected offspring. Our results, therefore, do not support an association between genetic variation of the ␦-opioid receptor and addictive behavior in man.
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