rs6039806
This variant is located in the SNAP25 gene.
▶ClinVar annotation
▶Research that mentions this SNP (3)
▶Candidate gene studies of ADHD: a meta-analytic reviewMeta-analysisIan R. Gizer et al.(2009)· Human Genetics
Meta-analytic review of candidate gene studies for childhood ADHD examining 19 genes. Significant associations identified for DAT1 (3' UTR VNTR: OR=1.12, p=0.028; rs27072: OR=1.20, p=0.006), DRD4 (exon 3 VNTR: OR=1.33, p=0.00007; rs1800955: OR=1.21, p=0.007), DRD5, 5HTT, HTR1B (rs6296: OR=1.11, p=0.010), and SNAP25 (rs3746544: OR=1.15, p=0.030).
▶Conduct disorder and ADHD: Evaluation of conduct problems as a categorical and quantitative trait in the international multicentre ADHD genetics studyAssociationN=590Richard J.L. Anney et al.(2008)· American Journal of Medical Genetics Part B: Neuropsychiatric Genetics
Analysis of 554 SNPs across 47 candidate genes in 590 families from the IMAGE ADHD genetics study found no overall parent-of-origin effect (χ² = 1.82, P = 0.117) for ADHD transmission. Five SNP markers in DDC, TPH2, and SLC6A2 showed nominal associations (P < 0.01) with ADHD combined subtype when restricted to maternal or paternal transmission only, but these findings likely represent false positives given multiple comparisons.
▶SNPs in dopamine D2 receptor gene (DRD2) and norepinephrine transporter gene (NET) are associated with continuous performance task (CPT) phenotypes in ADHD children and their familiesAssociationN=364Kollins SH et al.(2008)· American Journal of Medical Genetics Part B: Neuropsychiatric Genetics
Haplotype-tagging SNP analysis in 364 individuals from 152 ADHD families identified significant associations between commission errors and SNPs in the DRD2 gene (rs2075654, rs1079596) and between reaction time variability and a SNP in the NET gene (rs3785155). These findings suggest that commission errors and reaction time variability are valid ADHD endophenotypes linked to dopaminergic and noradrenergic pathways.
About SNAP25
Synaptic vesicle membrane docking and fusion is mediated by SNAREs (soluble N-ethylmaleimide-sensitive factor attachment protein receptors) located on the vesicle membrane (v-SNAREs) and the target membrane (t-SNAREs). The assembled v-SNARE/t-SNARE complex consists of a bundle of four helices, one of which is supplied by v-SNARE and the other three by t-SNARE. For t-SNAREs on the plasma membrane, the protein syntaxin supplies one helix and the protein encoded by this gene contributes the other two. Therefore, this gene product is a presynaptic plasma membrane protein involved in the regulation of neurotransmitter release. Two alternative transcript variants encoding different protein isoforms have been described for this gene. [provided by RefSeq, Jul 2008]
View all SNAP25 variants →Gene information from NCBI Gene. Variant classifications from ClinVar.
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