Cited by 495Gut microbiota and healthAutism Spectrum Disorder ResearchGastrointestinal motility and disorders

The DOI matches its Crossref record; 96 of the 96 references it cites were found in a registry or an index.

Impaired Carbohydrate Digestion and Transport and Mucosal Dysbiosis in the Intestines of Children with Autism and Gastrointestinal Disturbances

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Abstract

Gastrointestinal disturbances are commonly reported in children with autism, complicate clinical management, and may contribute to behavioral impairment. Reports of deficiencies in disaccharidase enzymatic activity and of beneficial responses to probiotic and dietary therapies led us to survey gene expression and the mucoepithelial microbiota in intestinal biopsies from children with autism and gastrointestinal disease and children with gastrointestinal disease alone. Ileal transcripts encoding disaccharidases and hexose transporters were deficient in children with autism, indicating impairment of the primary pathway for carbohydrate digestion and transport in enterocytes. Deficient expression of these enzymes and transporters was associated with expression of the intestinal transcription factor, CDX2. Metagenomic analysis of intestinal bacteria revealed compositional dysbiosis manifest as decreases in Bacteroidetes, increases in the ratio of Firmicutes to Bacteroidetes, and increases in Betaproteobacteria. Expression levels of disaccharidases and transporters were associated with the abundance of affected bacterial phylotypes. These results indicate a relationship between human intestinal gene expression and bacterial community structure and may provide insights into the pathophysiology of gastrointestinal disturbances in children with autism.

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Metadata

Authors
Williams, B. L., Hornig, M., Buie, T., Bauman, M. L., Cho Paik, M., Wick, I., Bennett, A., Jabado, O., Hirschberg, D. L., & Lipkin, W. I.
Affiliations
  • Columbia University (US)
  • Massachusetts General Hospital (US)
  • Harvard University (US)
Corresponding author
Lipkin, W. Ian
Venue
PLoS ONE
Published
2011-09-16
Volume
6
Issue
9
Pages
e24585
ISSN
1932-6203 (ISSN-L)
OpenAlex
W2005365566
Cited by
492
References
96
Citations by year
2026: 10 · 2025: 34 · 2024: 25 · 2023: 31 · 2022: 41 · 2021: 46 · 2020: 38 · 2019: 52 · 2018: 45 · 2017: 21 · 2016: 31 · 2015: 37 · 2014: 32 · 2013: 28 · 2012: 19
FWCI
10.51
Type
journal article
Language
en
Open access
Locations
  • PLoS ONE (publishedVersion, cc-by)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
  • Figshare (submittedVersion, cc-by)
Funders
  • U.S. Department of Defense
  • National Institutes of Health
  • National Institute of Neurological Disorders and Stroke (NS 047537, U01NS047537)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Gut microbiota and health
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Autism Spectrum Disorder Research
  • Health Sciences › Medicine › Gastroenterology › Gastrointestinal motility and disorders
Keywords
autism spectrum disorder, gastrointestinal diseases, carbohydrate digestion, disaccharidases, hexose transporters, intestinal gene expression, CDX2, Firmicutes/Bacteroidetes ratio, Betaproteobacteria, Bacteroidetes, enterocytes
MeSH terms
Autistic Disorder, Biological Transport, Child, Preschool, Clostridium, Digestion, Female, Food Hypersensitivity, Gastrointestinal Diseases, Humans, Ileum, Infant, Intestinal Mucosa, Male, RNA, Bacterial, RNA, Messenger, RNA, Ribosomal, 16S, Time Factors, Comorbidity, Membrane Transport Proteins, Carbohydrate Metabolism, Metagenomics, Transcriptome

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