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Article

Associations Between the Dopamine D4 Receptor and DAT1 Dopamine Transporter Genes Polymorphisms and Personality Traits in Addicted Patients

1
Department of Hygiene and Epidemiology, Faculty of Medicine and Health Science, University of Zielona Góra, Zyty 28 St., 65-046 Zielona Gora, Poland
2
Independent Laboratory of Health Promotion of the Pomeranian Medical University in Szczecin, 11 Chlapowskiego St., 70-204 Szczecin, Poland
3
Department of Oral Surgery, Pomeranian Medical University in Szczecin, 72 Powstańców Wlkp. St., 70-111 Szczecin, Poland
4
Department of Human Sciences in Medicine, Pomeranian Medical University in Szczecin, 11 Chlapowskiego St., 70-204 Szczecin, Poland
5
Department of Psychiatry, Pomeranian Medical University in Szczecin, 71-460 Szczecin, Poland
*
Author to whom correspondence should be addressed.
Int. J. Environ. Res. Public Health 2018, 15(10), 2076; https://0-doi-org.brum.beds.ac.uk/10.3390/ijerph15102076
Received: 3 August 2018 / Revised: 17 September 2018 / Accepted: 19 September 2018 / Published: 21 September 2018
(This article belongs to the Special Issue Substance Abuse, Environment and Public Health)
Many factors are involved in addiction. The dopaminergic system is thought to be the key element in this process. The mesolimbic dopamine system is a crucial element in the reward system. Changes in this system are thought to be leading to substance use disorders and dependence. Therefore, for our study we chose an analysis of two polymorphisms in genes (Variable Number of Tandem Repeats in DRD4 and DAT1) responsible for dopaminergic transmission, which might be implicated in the scores of personality traits measured by the NEO-FFI test. The study group consisted of 600 male volunteers—299 addicted subjects and 301 controls. Both groups were recruited by psychiatrists; in the case group addiction was diagnosed; in the controls a mental illness was excluded. In both groups the same psychometric test and genotyping by the PCR VNTR method were performed. The results were investigated by a multivariate analysis of the main effects ANOVA. In the presented study no DRD4 main effects were found for any of the analyzed traits but the DRD4 main effects approximated to the statistical significance for the extraversion scale. However, no DAT1 main effects were found for any of the analyzed traits but the DAT1 main effects approximated to the statistical significance for the agreeability scale.These associations open new possibilities for addiction research. View Full-Text
Keywords: addiction; genetics; personality traits addiction; genetics; personality traits
MDPI and ACS Style

Chmielowiec, J.; Chmielowiec, K.; Suchanecka, A.; Trybek, G.; Mroczek, B.; Małecka, I.; Grzywacz, A. Associations Between the Dopamine D4 Receptor and DAT1 Dopamine Transporter Genes Polymorphisms and Personality Traits in Addicted Patients. Int. J. Environ. Res. Public Health 2018, 15, 2076. https://0-doi-org.brum.beds.ac.uk/10.3390/ijerph15102076

AMA Style

Chmielowiec J, Chmielowiec K, Suchanecka A, Trybek G, Mroczek B, Małecka I, Grzywacz A. Associations Between the Dopamine D4 Receptor and DAT1 Dopamine Transporter Genes Polymorphisms and Personality Traits in Addicted Patients. International Journal of Environmental Research and Public Health. 2018; 15(10):2076. https://0-doi-org.brum.beds.ac.uk/10.3390/ijerph15102076

Chicago/Turabian Style

Chmielowiec, Jolanta, Krzysztof Chmielowiec, Aleksandra Suchanecka, Grzegorz Trybek, Bożena Mroczek, Iwona Małecka, and Anna Grzywacz. 2018. "Associations Between the Dopamine D4 Receptor and DAT1 Dopamine Transporter Genes Polymorphisms and Personality Traits in Addicted Patients" International Journal of Environmental Research and Public Health 15, no. 10: 2076. https://0-doi-org.brum.beds.ac.uk/10.3390/ijerph15102076

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