Cited by 89Attention Deficit Hyperactivity DisorderNeurotransmitter Receptor Influence on BehaviorGenetic Associations and Epidemiology

The genetics of ADHD: A literature review of 2005

Khan, Sajjad A., Faraone, Stephen V.·2006·Current Psychiatry Reports

Abstract

Investigations into the genetic basis of attention-deficit/hyperactivity disorder (ADHD) continue to yield compelling results as candidate gene studies reveal more information about this elusive disorder. Family, twin, and adoption studies further the notion that ADHD is a highly heritable disorder with direct genetic and environmental influence. The year 2005 saw many ADHD candidate gene studies, with most focused on the catecholaminergic candidates. Although many genes were studied in 2005, a large portion of findings has been supportive of the roles of dopaminergic genes' relationship to clinical phenotypes and drug response. These studies often require replication. Clinical implications continue to be speculative, as larger sample sizes are needed to validate findings to the general population. Further understanding of endophenotypes and the impact of comorbidities also is necessary for proper clinical intervention. Forthwith, we provide a summary of ADHD genetic studies published in 2005.

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Crossref · 10.1007/s11920-006-0042-y

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  • Recent meta-analyses of candidate gene association studies found consistent evidence of significant associations between ADHD and polymorphisms in several candidate genes almost exclusively involved in the regulation of dopaminergic and serotonergic transmission, including DAT1, DRD4, DRD5, 5-HTT, HTR1B, and SNAP25.

    “Recent meta-analyses of candidate gene association studies have found consistent evidence of significant associations between ADHD and polymorphisms in several candidate genes that are almost exclusively involved in the regulation of dopaminergic and serotonergic transmission (including the dopamine transporter (DAT1) gene, the dopamine D4 receptor (DRD4) gene, the dopamine D5 receptor (DRD5) gene”

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Authors
Khan, S. A., & Faraone, S. V.
Affiliations
SUNY Upstate Medical University (US)
Corresponding author
Faraone, Stephen V.
Venue
Current Psychiatry Reports
Published
2006-10
Volume
8
Issue
5
Pages
393-397
ISSN
  • 1523-3812 (ISSN-L)
  • 1535-1645
OpenAlex
W2063720382
Cited by
89
References
26
Citations by year
2024: 1 · 2023: 5 · 2022: 2 · 2021: 5 · 2020: 5 · 2019: 2 · 2017: 4 · 2016: 5 · 2015: 4 · 2014: 6 · 2013: 5 · 2012: 4
FWCI
5.52
Type
journal article
Language
en
Open access
closed
Locations
  • Current Psychiatry Reports (publishedVersion)
  • PubMed (publishedVersion)
Funders
Eli Lilly and Company
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 › Biochemistry, Genetics and Molecular Biology › Genetics › Genetic Associations and Epidemiology
Keywords
attention deficit hyperactivity disorder, ADHD genetics, heritability, candidate gene association, dopaminergic genes, twin and family studies, adoption studies, endophenotypes, comorbidities, drug response
MeSH terms
Attention Deficit Disorder with Hyperactivity, Catecholamines, Humans

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