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KMID : 0381120230450091097
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Genes and Genomics
2023 Volume.45 No. 9 p.1097 ~ p.1105
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Association between genetic polymorphisms of synaptophysin (SYP) gene and attention deficit hyperactivity disorder in Korean subjects
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Shin Eui-Yong
Kim Seong-Yong
Kim Ga-Eun
Jin Han-Jun
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Abstract
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Background
Attention deficit hyperactivity disorder (ADHD) is a common childhood neurodevelopmental disorder, and the prevalence of ADHD among Korean children has attained about 8.5%. Various genetic factors can contribute to the etiology of the disease. Synaptophysin (SYP) regulates neurotransmitter release and synaptic plasticity. According to previous studies, several genetic polymorphisms on SYP were risk factors for ADHD.
Objective
We investigated the effect of the SYP gene polymorphisms (rs2293945 and rs3817678) on ADHD in Korean children.
Methods
In this study, we examined the case-control study in 150 ADHD cases and 322 controls. The genotyping of SYP gene polymorphisms was performed using polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP).
Results
Significant associations in the genotype and genetic models of SYP rs2293945 polymorphism between girls with ADHD and control girls were found. The girls with ADHD having the C/T genotype were significantly associated with ADHD. In the dominant model of rs3817678, C/T?+?T/T genotypes were significantly associated with ADHD. The haplotype analyses showed significant associations from haplotypes of rs2293945 T-rs3817678 G and rs2293945 C-rs3817678 A.
Conclusion
Our results imply that the SYP rs2293945 C/T polymorphism in female participants may provide a possible effect on the genetic etiology of ADHD.
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KEYWORD
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ADHD, SYP, Polymorphism, Haplotype, Korean children, Genetic association
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