Association of DNA polymorphisms in the synaptic vesicular amine transporter gene (SLCI8A2) with alcohol and nicotine dependence

The brain synaptic vesicular amine transporter SLCA18A2 is a key component for the uptake of monoamines like dopamine or serotonin into vesicles. We have analyzed seven DNA polymorphisms located in the genomic region of SLC18A2 for association with alcohol- and nicotine dependence, using a family-ba...

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Veröffentlicht in:Neuropsychopharmacology (New York, N.Y.) N.Y.), 2005-12, Vol.30 (12), p.2263-2268
Hauptverfasser: SCHWAB, Sibylle G, FRANKE, Petra E, HOEFGEN, Barbara, GUTTENTHALER, Vera, LICHTERMANN, Dirk, TRIXLER, Matyas, KNAPP, Michael, MAIER, Wolfgang, WILDENAUER, Dieter B
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container_issue 12
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container_title Neuropsychopharmacology (New York, N.Y.)
container_volume 30
creator SCHWAB, Sibylle G
FRANKE, Petra E
HOEFGEN, Barbara
GUTTENTHALER, Vera
LICHTERMANN, Dirk
TRIXLER, Matyas
KNAPP, Michael
MAIER, Wolfgang
WILDENAUER, Dieter B
description The brain synaptic vesicular amine transporter SLCA18A2 is a key component for the uptake of monoamines like dopamine or serotonin into vesicles. We have analyzed seven DNA polymorphisms located in the genomic region of SLC18A2 for association with alcohol- and nicotine dependence, using a family-based design. Our sample comprised 131 families with alcohol-dependent offspring and 96 families with at least one nicotine-dependent offspring. For the alcohol-dependent sample, we found statistical significant association for two single markers (rs363387, P=0.03; rs363333, P=0.0066) as well as for several haplotypes (minimal P=0.0038). When the sample with alcohol dependence was stratified according to gender, we observed increased association for the male subgroup (rs363387, P=0.0011). None of the markers showed association in the sample of families with nicotine dependence. However, analysis of a combined sample of alcohol and nicotine-dependent families resulted in single markers as well as several haplotypes showing statistical significant association with substance dependence (minimal P=0.0044). We conclude that DNA polymorphisms located in SLC18A2 might contribute to the development of substance dependence.
doi_str_mv 10.1038/sj.npp.1300809
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subjects Adult
Aged
Alcoholism
Alcoholism - epidemiology
Alcoholism - genetics
Alcoholism - psychology
Alcoholism and acute alcohol poisoning
Biological and medical sciences
Brain research
Dependent sample
DNA - genetics
Dopamine
Female
Genetic Markers
Genotype
Haplotypes
Humans
Linkage Disequilibrium - genetics
Male
Medical research
Medical sciences
Middle Aged
Nicotine
Polymorphism, Genetic - genetics
Psychiatric Status Rating Scales
Psychiatry
Serotonin
Sex Characteristics
Smoking
Tobacco Use Disorder - epidemiology
Tobacco Use Disorder - genetics
Tobacco Use Disorder - psychology
Toxicology
Twins
Vesicular Monoamine Transport Proteins - genetics
title Association of DNA polymorphisms in the synaptic vesicular amine transporter gene (SLCI8A2) with alcohol and nicotine dependence
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