Cited by 145Autism Spectrum Disorder ResearchGenetics and Neurodevelopmental DisordersGenetic Associations and Epidemiology

Distinct Genetic Risk Based on Association of MET in Families With Co-occurring Autism and Gastrointestinal Conditions

Campbell, Daniel B., Buie, Timothy M., Winter, Harland, Bauman, Margaret, Sutcliffe, James S., Perrin, James M., Levitt, Pat·2009·Pediatrics

Abstract

OBJECTIVE. In addition to the core behavioral symptoms of autism spectrum disorder, many patients present with complex medical conditions including gastrointestinal dysfunction. A functional variant in the promoter of the gene encoding the MET receptor tyrosine kinase is associated with autism spectrum disorder, and MET protein expression is decreased in the temporal cortex of subjects with autism spectrum disorder. MET is a pleiotropic receptor that functions in both brain development and gastrointestinal repair. On the basis of these functions, we hypothesized that association of the autism spectrum disorder–associated MET promoter variant may be enriched in a subset of individuals with co-occurring autism spectrum disorder and gastrointestinal conditions. PATIENTS AND METHODS. Subjects were 918 individuals from 214 Autism Genetics Resource Exchange families with a complete medical history including gastrointestinal condition report. Genotypes at the autism spectrum disorder–associated MET promoter variant rs1858830 were determined. Family-based association test and χ2 analyses were used to determine the association of MET rs1858830 alleles with autism spectrum disorder and the presence of gastrointestinal conditions. RESULTS. In the entire 214-family sample, the MET rs1858830 C allele was associated with both autism spectrum disorder and gastrointestinal conditions. Stratification by the presence of gastrointestinal conditions revealed that the MET C allele was associated with both autism spectrum disorder and gastrointestinal conditions in 118 families containing at least 1 child with co-occurring autism spectrum disorder and gastrointestinal conditions. In contrast, there was no association of the MET polymorphism with autism spectrum disorder in the 96 families lacking a child with co-occurring autism spectrum disorder and gastrointestinal conditions. χ2 analyses of MET rs1858830 genotypes indicated over-representation of the C allele in individuals with co-occurring autism spectrum disorder and gastrointestinal conditions compared with non-autism spectrum disorder siblings, parents, and unrelated controls. CONCLUSION. These results suggest that disrupted MET signaling may contribute to increased risk for autism spectrum disorder that includes familial gastrointestinal dysfunction.

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Crossref · 10.1542/peds.2008-0819

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  • Children with ASD and MET gene mutations were more likely to have gastrointestinal disorders.

    “Campbell et al 66 reported that children with ASD and MET gene mutations were more likely to have gastrointestinal disorders, raising the possibility that medical comorbidities in children with ASD could index underlying genetic heterogeneity.”
  • A polymorphism of the MET tyrosine receptor kinase is associated with both ASD and GI dysfunction in family samples.

    “For example, a polymorphism of the MET tyrosine receptor kinase is associated with both ASD and GI dysfunction in family samples, elucidating a potential genetic connection of the two pathologies 41.”

    From Gastrointestinal Issues and Autism Spectrum Disorder (2020) · cites this paper as [41]

  • Children with ASD and GI pain may present with non-specific signs or symptoms including aggression, self-injury, irritability, abnormal vocalizations, motor signs, hyperactivity, changes in sleep patterns and/or anxiety.

    “Consequently, children with ASD and GI pain may present with non-specific signs or symptoms to express their discomfort, including aggression, self-injury, irritability, abnormal vocalizations (i.e. frequent swallowing, moaning), motor signs (i.e. grimacing, tapping), hyperactivity, changes in sleep patterns and/or anxiety 7325414.”

    From Gastrointestinal Issues and Autism Spectrum Disorder (2020) · cites this paper as [41]

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Authors
Campbell, D. B., Buie, T. M., Winter, H., Bauman, M., Sutcliffe, J. S., Perrin, J. M., & Levitt, P.
Affiliations
  • Vanderbilt University (US)
  • Harvard University (US)
Venue
Pediatrics
Published
2009-03-01
Volume
123
Issue
3
Pages
1018-1024
ISSN
  • 0031-4005 (ISSN-L)
  • 1098-4275
OpenAlex
W2106428414
Cited by
145
References
33
Citations by year
2026: 2 · 2025: 1 · 2024: 6 · 2023: 4 · 2022: 2 · 2021: 7 · 2020: 6 · 2019: 9 · 2018: 4 · 2017: 10 · 2016: 10 · 2015: 7 · 2014: 9 · 2013: 14 · 2012: 11
FWCI
8.55
Type
journal article
Language
en
Open access
closed
Locations
  • PEDIATRICS (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • National Institute of Mental Health (MH065299)
  • Eunice Kennedy Shriver National Institute of Child Health and Human Development (P30HD015052, HD015052)
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
autism spectrum disorder, gastrointestinal dysfunction, MET receptor tyrosine kinase, genetic risk, familial aggregation, family-based association
MeSH terms
Alleles, Autistic Disorder, Child, Female, Gastrointestinal Diseases, Genotype, Humans, Male, Phenotype, Promoter Regions, Genetic, Proto-Oncogene Proteins, Risk Factors, Signal Transduction, Linkage Disequilibrium, Comorbidity, Receptors, Growth Factor, Proto-Oncogene Proteins c-met, Genetic Predisposition to Disease

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