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ABSTRACT: Objective
This study aimed to investigate the association between the synaptosomal-associated protein 25 kDa (SNAP-25) genotype and performance on the continuous performance test (CPT) in Korean children with attention-deficit/hyperactivity disorder (ADHD).Methods
Eighty-seven children with ADHD (mean age, 9.23±1.99 years) participated in this study. Omission errors, commission errors, reaction time, and reaction time variability on the CPT were analyzed. The single-nucleotide polymorphism (SNP) rs3746544 (1065 T>G) of SNAP-25 was genotyped to examine the association with CPT performance.Results
We found significantly more omission errors on the CPT among children with the TT genotype of SNAP-25 (t=2.56, p=0.012) after correcting for multiple testing.Conclusion
Our results suggest the possible involvement of the SNAP-25 1065 T>G polymorphism in the inattention phenotype in children with ADHD. Further studies with more refined neuropsychological measures and much larger sample sizes are needed to confirm our findings.
SUBMITTER: Kim E
PROVIDER: S-EPMC5565073 | biostudies-literature | 2017 Aug
REPOSITORIES: biostudies-literature
Kim Eunjoo E Song Dong-Ho DH Kim Nam-Wook NW Sohn In-Jung IJ Cheon Keun-Ah KA
Clinical psychopharmacology and neuroscience : the official scientific journal of the Korean College of Neuropsychopharmacology 20170801 3
<h4>Objective</h4>This study aimed to investigate the association between the synaptosomal-associated protein 25 kDa (<i>SNAP-25</i>) genotype and performance on the continuous performance test (CPT) in Korean children with attention-deficit/hyperactivity disorder (ADHD).<h4>Methods</h4>Eighty-seven children with ADHD (mean age, 9.23±1.99 years) participated in this study. Omission errors, commission errors, reaction time, and reaction time variability on the CPT were analyzed. The single-nucleo ...[more]