Two SNAP-25 genetic variants in the binding site of multiple microRNAs and susceptibility of ADHD

A meta-analysis

Chuanzhong Ye, Zhijian Hu, Evan Wu, Xiaolu Yang, Ushimbra Buford, Zhihong Guo, Radu V Saveanu

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

The aim of this meta-analysis is to assess the associations between two most widely investigated polymorphisms (rs3746544 and rs1051312) in the 3′UTR of the SNAP-25 gene and susceptibility of ADHD. Two investigators selected related studies and assessed methodological quality independently. Six studies were included in this meta-analysis for a total of 715 cases and 655 controls. There is no apparent association between rs3746544 polymorphisms and risk of ADHD. However, subgroup analysis based on ethnicity demonstrated a strong association between rs3746544 polymorphism and ADHD in the subset of Asian participants, but not among Caucasians. Compared to the T allele, the allele G was associated with a significantly decreased risk of developing ADHD in the Asian population (odds ratio (OR) = 0.70, 95% confidence interval (CI) = 0.52–0.95, p = 0.02). The association between the TT genotype and ADHD risk was also significantly increased as compared to G/T (OR = 1.56, 95% CI = 1.00–2.44, p = 0.05) and the dominant genetic model (GG + GT vs. TT: OR = 1.51, 95% CI = 1.07–2.13, p = 0.02). For the rs1051312 SNP, being homozygous for the minor allele (C/C) was associated with a 3.66 higher odds of ADHD as compared to cases homozygous for the major allele (T/T) (95% CI = 1.64–8.13, p = 0.001), and 3.57 higher odds as compared to heterozygous (C/T) carriers (95% CI = 2.01–12.90, p < 0.001). Our results suggest that the polymorphisms rs3746544 and rs1051312 may increase the odds of developing ADHD. Additional studies are needed to confirm these findings.

Original languageEnglish (US)
Pages (from-to)56-62
Number of pages7
JournalJournal of Psychiatric Research
Volume81
DOIs
StatePublished - Oct 1 2016

Fingerprint

MicroRNAs
Meta-Analysis
Binding Sites
Confidence Intervals
Alleles
Odds Ratio
Genetic Models
Single Nucleotide Polymorphism
Genotype
Research Personnel
Susceptibility
Attention Deficit Hyperactivity Disorder
Meta-analysis
Confidence Interval
Population
Genes
Allele
Polymorphism

Keywords

  • ADHD
  • microRNAs
  • rs1051312
  • rs3746544
  • SNP

ASJC Scopus subject areas

  • Psychiatry and Mental health
  • Biological Psychiatry
  • Arts and Humanities (miscellaneous)

Cite this

Two SNAP-25 genetic variants in the binding site of multiple microRNAs and susceptibility of ADHD : A meta-analysis. / Ye, Chuanzhong; Hu, Zhijian; Wu, Evan; Yang, Xiaolu; Buford, Ushimbra; Guo, Zhihong; Saveanu, Radu V.

In: Journal of Psychiatric Research, Vol. 81, 01.10.2016, p. 56-62.

Research output: Contribution to journalArticle

Ye, Chuanzhong ; Hu, Zhijian ; Wu, Evan ; Yang, Xiaolu ; Buford, Ushimbra ; Guo, Zhihong ; Saveanu, Radu V. / Two SNAP-25 genetic variants in the binding site of multiple microRNAs and susceptibility of ADHD : A meta-analysis. In: Journal of Psychiatric Research. 2016 ; Vol. 81. pp. 56-62.
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