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Association of a monoamine oxidase-A gene promoter polymorphism with ADHD and anxiety in boys with autism spectrum disorder

  • Stony Brook University

Research output: Contribution to journalArticlepeer-review

38 Scopus citations

Abstract

The aim of the present study was to examine the association between a variable number tandem repeat (VNTR) functional polymorphism in the promoter region of the MAO-A gene and severity of ADHD and anxiety in boys with ASD. Parents and teachers completed a DSM-IV-referenced rating scale for 5- to 14-year-old boys with ASD (n = 43). Planned comparisons indicated that children with the 4- versus 3-repeat allele had significantly (p < 05) more severe parent-rated ADHD inattention and impulsivity, and more severe teacher-rated symptoms of generalized anxiety. Our results support a growing body of research indicating that concomitant behavioral disturbances in children with ASD warrant consideration as clinical phenotypes, but replication with independent samples is necessary to confirm this preliminary finding.

Original languageEnglish
Pages (from-to)67-74
Number of pages8
JournalJournal of Autism and Developmental Disorders
Volume39
Issue number1
DOIs
StatePublished - Jan 2009

Keywords

  • Asperger's syndrome
  • Attention-deficit/hyperactivity disorder
  • Autism
  • Autism spectrum disorder
  • Generalized anxiety disorder
  • Genetics
  • MAO-A
  • Monoamine oxidase
  • PDD-NOS

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