Volume 30, Issue 7 (October 2019)                   Stud Med Sci 2019, 30(7): 582-589 | Back to browse issues page

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Abdi A, Mehdizadeh Fanid L, Zeinalzadeh N, Nourazar S G. INVESTIGATING THE ASSOCIATION BETWEEN DAT1 RS27072 POLYMORPHISM AND SUSCEPTIBILITY TO ATTENTION DEFICIT HYPERACTIVITY DISORDER AMONG CHILDREN FROM NORTHWEST OF IRAN: A CASE-CONTROL STUDY. Stud Med Sci. 2019; 30 (7) :582-589
URL: http://umj.umsu.ac.ir/article-1-4726-en.html
Assistant Professor, Department of Animal Science, Faculty of Natural Sciences, University of Tabriz, Tabriz, Iran (Corresponding Author)
Abstract:   (1493 Views)
Background & Aims: Attention deficit hyperactivity disorder (ADHD) is the common mental disorder in childhood which affects 3-7 percent of children all over the world. Both genetic and environmental factors contribute to this disorder. Among the genes involved in the incidence of ADHD, dopaminergic pathway genes can be mentioned. Dopamine is the most important neurotransmitter that plays an important role in modulating the cognition, mood, and motor function of the brain. DAT1 or SLC6A3 gene (dopamine transporter gene) is involved in the dopaminergic pathway and harbors several polymorphisms, among them the rs27072 is located in the 3'-UTR region of the gene. The purpose of this study was to investigate the association between DAT1 3'UTR-rs27072 polymorphism and ADHD susceptibility among children from Northwest of Iran.
Materials & Methods: This case-control study involved 196 ADHD children and 140 controls. DNA was extracted from blood samples of children. Then, we investigated the DAT1 rs27072 polymorphism among patients and control children using PCR-RFLP method and evaluated the results by statistical methods.
Results: Frequencies of genotypes GG, TT, and GT was 112 (57.73%), 8 (4.12%) and 74 (38.14%) inpatient group and 74 (52.86%), 7 (5%) and 59 (42.14%) in control group, respectively. According to the results, there was no significant association between case and control groups (p>0.05).
Conclusion: The results of this study indicate that there is no significant association between DAT1 rs27072 polymorphism and ADHD in children from Northwest of Iran.
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Type of Study: Research | Subject: ژنتیک

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