Cited by 96Autism Spectrum Disorder ResearchGenetics and Neurodevelopmental DisordersGenetic Associations and Epidemiology

Association of common variants in the Joubert syndrome gene (AHI1) with autism

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Alvarez Retuerto, Ana I., Cantor, Rita M., Gleeson, Joseph G., Ustaszewska, Anna, Schackwitz, Wendy S., Pennacchio, Len A., Geschwind, Daniel H.·2008·Human Molecular Genetics

Abstract

It has been suggested that autism, like other complex genetic disorders, may benefit from the study of rare or Mendelian variants associated with syndromic or non-syndromic forms of the disease. However, there are few examples in which common variation in genes causing a Mendelian neuropsychiatric disorder has been shown to contribute to disease susceptibility in an allied common condition. Joubert syndrome (JS) is a rare recessively inherited disorder, with mutations reported at several loci including the gene Abelson's Helper Integration 1 (AHI1). A significant proportion of patients with JS, in some studies up to 40%, have been diagnosed with autism spectrum disorder (ASD) and several linkage studies in ASD have nominally implicated the region on 6q where AHI1 resides. To evaluate AHI1 in ASD, we performed a three-stage analysis of AHI1 as an a priori candidate gene for autism. Re-sequencing was first used to screen AHI1, followed by two subsequent association studies, one limited and one covering the gene more completely, in Autism Genetic Resource Exchange (AGRE) families. In stage 3, we found evidence of an associated haplotype in AHI1 with ASD after correction for multiple comparisons, in a region of the gene that had been previously associated with schizophrenia. These data suggest a role for AHI1 in common disorders affecting human cognition and behavior.

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  • Homozygous mutations in AHI1 were the first identified Joubert Syndrome cause, and common genetic variation in AHI1 has been associated with non-syndromic autistic disorder.

    “Homozygous mutations in AHI1 were the first identified JS cause and common genetic variation in AHI1, represented by single nucleotide polymorphisms (SNPs), was subsequently found to be associated with non-syndromic AD [64].”

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  1. SNPs. p_Sum is similar, but the statistic is the sum of the per- mutated scores for all the SNPs tested. Both reflect region-wide significance and correct for multiple testing in that region. ELECTONIC DATABASE INFORMATION ACESCAN2: http://genes.mit.edu/acescan2/. Autism Genetic Resource Exchange (AGRE): http://www. agre.org. Applied Biosystems: http://www.jgi.doe.gov/sequencing/ protocols/archive/BigDye3.1auto1.0.doc. Berkeley Drosophila Genome Project (BDGP): http://www. fruitfly.org/seq_tools/splice.html. DOE Joing Genome institute (JGI): http://www.jgi.doe.gov/ . ESE finder: http://rulai.cshl.edu/tools/ESE/ESEbkgr.html. Exon Locator & Extractor for Resequencing program (EXLR): http://mutation.swmed.edu/ex-lax/. HapMap (Hmp): http://www.hapmap.org. HairpinFetcher Institute of Genomics & Interative Technol- ogy: http://miracle.igib.res.in/hfinder/. Illumina: http://www.illumina.com. NCBI dbSNP Build 126 database: http://www.ncbi.nlm.nih. gov/entrez/query.fcgi?db=snp.

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Authors
Alvarez Retuerto, A. I., Cantor, R. M., Gleeson, J. G., Ustaszewska, A., Schackwitz, W. S., Pennacchio, L. A., & Geschwind, D. H.
Affiliations
  • University of California San Diego (US)
  • Joint Genome Institute (US)
  • Lawrence Berkeley National Laboratory (US)
  • University of California, Los Angeles (US)
Corresponding author
Geschwind, Daniel H.
Venue
Human Molecular Genetics
Published
2008-09-09
Volume
17
Issue
24
Pages
3887-3896
ISSN
  • 0964-6906 (ISSN-L)
  • 1460-2083
OpenAlex
W2131479461
Cited by
96
References
66
Citations by year
2026: 5 · 2025: 4 · 2024: 6 · 2023: 2 · 2022: 5 · 2021: 7 · 2020: 4 · 2019: 1 · 2018: 3 · 2017: 7 · 2016: 5 · 2015: 3 · 2014: 7 · 2013: 8 · 2012: 6
FWCI
3.97
Type
journal article
Language
en
Open access
Locations
  • Human Molecular Genetics (publishedVersion)
  • Europe PMC (PubMed Central) (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • U.S. Department of Energy (-AC02-05CH11231, 05CH11231, DE AC02 05CH11231, DE-AC02-)
  • National Institute of Mental Health (R01MH64547, MH068172, MH081754, R01MH081754, U54MH068172, R01MH064547)
  • National Institute of Neurological Disorders and Stroke (R01NS052455)
  • National Institute of Child Health and Human Development
  • Lawrence Berkeley National Laboratory (AC02‐05CH11231, DE-AC02-05CH11231, 05CH11231)
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Autism Spectrum Disorder Research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetics and Neurodevelopmental Disorders
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetic Associations and Epidemiology
Keywords
AHI1, Joubert syndrome, autism spectrum disorder, common genetic variants, haplotype association, candidate genes, schizophrenia, neuropsychiatric disorders, genetic susceptibility
MeSH terms
Autistic Disorder, Cerebellum, Child, Female, Humans, Male, Schizophrenia, Syndrome, Genetic Variation, Genetic Predisposition to Disease, Polymorphism, Single Nucleotide, Adaptor Proteins, Vesicular Transport, Adaptor Proteins, Signal Transducing

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