Cited by 31Attention Deficit Hyperactivity DisorderNeurotransmitter Receptor Influence on BehaviorNeural and Behavioral Psychology Studies

Effect of dopamine transporter genotype on caudate volume in childhood ADHD and controls

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Shook, Devon, Brady, Colin, Lee, Philip S., Kenealy, Laura, Murphy, Eric R., Gaillard, William D., VanMeter, John W., Cook, Edwin H. +2 more·2011·American Journal of Medical Genetics Part B: Neuropsychiatric Genetics

Abstract

Polymorphism of the dopamine transporter genotype (DAT1) confers a small but significant susceptibility to attention deficit hyperactivity disorder (ADHD). We examined whether the volume of the head of caudate, a striatal structure with high DAT expression that is important for inhibitory function, differs by DAT1 in children diagnosed with the disorder relative to age and IQ matched controls. Volume of the head of caudate was delineated in the right and left hemisphere and compared between 7‐ and 13‐year‐old children with and without ADHD (combined type) who were carriers of two (10/10) or one (9/10) copy of the 10‐repeat DAT1 allele. Caudate volumes were overall smaller in 10/10 than 9/10 children, particularly in the left than right hemisphere. While DAT1 effects did not vary by ADHD diagnosis, overall caudate volumes were smaller in ADHD relative to control children. Altered caudate development associated with 10‐repeat homozygosity of DAT1 may contribute susceptibility to ADHD. © 2010 Wiley‐Liss, Inc.

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  • The caudate nucleus is a core region of the dopamine reward-circuit, implicated in ADHD-control differences, and genetic variation in DAT1 is reported to affect its function and structure.

    “The caudate nucleus is a core region of the dopamine reward-circuit,42 implicated in ADHD-control differences,4 and genetic variation in DAT1 is reported to affect its function and structure 26,43”

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Authors
Shook, D., Brady, C., Lee, P. S., Kenealy, L., Murphy, E. R., Gaillard, W. D., VanMeter, J. W., Cook, E. H., Stein, M., & Vaidya, C. J.
Affiliations
  • Georgetown University (US)
  • Children's National (US)
  • Georgetown University Medical Center (US)
  • University of Illinois Chicago (US)
Corresponding author
Vaidya, Chandan J.
Venue
American Journal of Medical Genetics Part B: Neuropsychiatric Genetics
Publisher
Wiley
Published
2010-10-18
Volume
156
Issue
1
Pages
28-35
ISSN
  • 1552-4841 (ISSN-L)
  • 1552-485X
OpenAlex
W2111341053
Cited by
31
References
53
Citations by year
2023: 1 · 2022: 3 · 2021: 2 · 2018: 1 · 2017: 3 · 2016: 7 · 2015: 2 · 2014: 2 · 2013: 4 · 2012: 4
FWCI
2.40
Type
journal article
Language
en
Open access
Locations
  • American Journal of Medical Genetics Part B Neuropsychiatric Genetics (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • Georgetown University
  • National Institute of Mental Health (MH 065395, MH70564, R01MH065395, R01MH070564)
Topics
  • Health Sciences › Medicine › Psychiatry and Mental health › Attention Deficit Hyperactivity Disorder
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neurotransmitter Receptor Influence on Behavior
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Neural and Behavioral Psychology Studies
Keywords
attention deficit hyperactivity disorder, dopamine transporter, DAT1 polymorphism, caudate volume, striatum, brain structure, genetic susceptibility, combined type ADHD, children, hemispheric lateralization, inhibitory function
MeSH terms
Adolescent, Attention Deficit Disorder with Hyperactivity, Brain Mapping, Caudate Nucleus, Child, Demography, Female, Genotype, Humans, Male, Organ Size, Case-Control Studies, Dopamine Plasma Membrane Transport Proteins

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