Parent-of-origin effects of FAS and PDLIM1 in attention-deficit/hyperactivity disorder

Ke Sheng Wang, Xuefeng Liu, Qunyuan Zhang, Nagesh Aragam, Yue Pan

Research output: Contribution to journalArticlepeer-review

14 Scopus citations

Abstract

Background: Previous studies have suggested that there may be a parent-of-origin effect for attention-deficit/hyperactivity disorder (ADHD) candidate genes. The objective of the present study was to investigate parent-of-origin effects using a genome-wide association analysis of the International Multicentre ADHD Genetics (IMAGE) study sample. Methods: Family-based association analysis for ADHD using 846 ADHD probands and their parents was performed using the PLINK program, and parent-of-origin effects were studied using a Z score for the difference in paternal versus maternal odds ratios. Results: We identified 44 single nucleotide polymorphisms (SNPs) showing parent-of-origin effects at a significance level of p < 0.001. The most significant SNP, rs7614907, is at position 3q13.33 in the CDGAP gene (p = 0.000064 for parent-of-origin effect). Furthermore, 2 genes (FAS and PDLIM1) showed moderate parent-of-origin effects (p = 0.00086 for rs9658691 and p = 0.00077 for rs11188249) and strong maternal transmission (p = 0.000059 for rs9658691 and p = 0.0000068 for rs11188249). In addition, ZNF775 showed a moderate parent-of-origin effect (p = 0.00036 for rs7790549) and strong paternal transmission (p = 0.000041 for rs7790549). Limitations: We only had 1 sample available for analysis. Conclusion: These results suggest several genes or regions with moderate parent-of-origin effects, and these findings will serve as a resource for replication in other populations to elucidate the potential role of these genetic variants in ADHD.

Original languageEnglish (US)
Pages (from-to)46-52
Number of pages7
JournalJournal of Psychiatry and Neuroscience
Volume37
Issue number1
DOIs
StatePublished - Jan 2012
Externally publishedYes

ASJC Scopus subject areas

  • Psychiatry and Mental health
  • Biological Psychiatry
  • Pharmacology (medical)

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