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Am J Psychiatry. 2000 Dec;157(12):2045-7.

Support for allelic association of a polymorphic site in the promoter region of the serotonin transporter gene with risk for alcohol dependence.

Author information

1
Department of Psychiatry and Medical Psychology, University Medical School of Pécs, Hungary. lichtermann@uni-bonn.de

Abstract

OBJECTIVE:

An association between the 5-HTTLPR short variant polymorphism in the promoter region of the serotonin transporter gene and risk for alcohol dependence has been reported from case-control studies that are, however, prone to chance findings related to artifacts of population structure. The authors sought additional evidence for this association from a family-based study.

METHOD:

Ninety-two alcohol-dependent probands and their parents were tested for nonrandom transmission of alleles from heterozygous parents to affected probands.

RESULTS:

Preferential transmission of the short allele was found (65 of 102 transmissions from heterozygous parents).

CONCLUSIONS:

The results suggest allelic association between a variant in the promoter region of the serotonin transporter gene and the risk for alcohol dependence. However, it remains to be seen whether the functional properties of this variant are directly responsible for the increased risk to alcohol dependence.

PMID:
11097976
DOI:
10.1176/appi.ajp.157.12.2045
[Indexed for MEDLINE]
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