Cited by 272Gut microbiota and healthAutism Spectrum Disorder ResearchDiet and metabolism studies

Ketogenic diet modifies the gut microbiota in a murine model of autism spectrum disorder

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Newell, Christopher, Bomhof, Marc R., Reimer, Raylene A., Hittel, Dustin S., Rho, Jong M., Shearer, Jane·2016·Molecular Autism

Abstract

BACKGROUND: Gastrointestinal dysfunction and gut microbial composition disturbances have been widely reported in autism spectrum disorder (ASD). This study examines whether gut microbiome disturbances are present in the BTBR(T + tf/j) (BTBR) mouse model of ASD and if the ketogenic diet, a diet previously shown to elicit therapeutic benefit in this mouse model, is capable of altering the profile. FINDINGS: Juvenile male C57BL/6 (B6) and BTBR mice were fed a standard chow (CH, 13 % kcal fat) or ketogenic diet (KD, 75 % kcal fat) for 10-14 days. Following diets, fecal and cecal samples were collected for analysis. Main findings are as follows: (1) gut microbiota compositions of cecal and fecal samples were altered in BTBR compared to control mice, indicating that this model may be of utility in understanding gut-brain interactions in ASD; (2) KD consumption caused an anti-microbial-like effect by significantly decreasing total host bacterial abundance in cecal and fecal matter; (3) specific to BTBR animals, the KD counteracted the common ASD phenotype of a low Firmicutes to Bacteroidetes ratio in both sample types; and (4) the KD reversed elevated Akkermansia muciniphila content in the cecal and fecal matter of BTBR animals. CONCLUSIONS: Results indicate that consumption of a KD likely triggers reductions in total gut microbial counts and compositional remodeling in the BTBR mouse. These findings may explain, in part, the ability of a KD to mitigate some of the neurological symptoms associated with ASD in an animal model.

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Authors
Newell, C., Bomhof, M. R., Reimer, R. A., Hittel, D. S., Rho, J. M., & Shearer, J.
Affiliations
University of Calgary (CA)
Corresponding author
Newell, Christopher
Venue
Molecular Autism
Published
2016-09-01
Volume
7
Issue
1
Pages
37-37
ISSN
2040-2392 (ISSN-L)
OpenAlex
W2509638174
Cited by
272
References
30
Citations by year
2026: 13 · 2025: 30 · 2024: 23 · 2023: 31 · 2022: 41 · 2021: 33 · 2020: 40 · 2019: 29 · 2018: 20 · 2017: 10 · 2016: 2
FWCI
10.56
Type
journal article
Language
en
Open access
Licence
cc-by
Locations
  • Molecular Autism (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • eScholarship (California Digital Library) (submittedVersion)
  • eScholarship (California Digital Library) (submittedVersion, cc-by)
Funders
  • Alberta Children's Hospital Foundation
  • Canadian Institutes of Health Research
  • MitoCanada
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 › Physiology › Diet and metabolism studies
Keywords
ketogenic diet, autism spectrum disorder, gut microbiota, gut-brain axis, Akkermansia muciniphila, Firmicutes/Bacteroidetes ratio, cecal microbiota, fecal microbiota, dietary fat, gastrointestinal dysfunction
MeSH terms
Autism Spectrum Disorder, Gastrointestinal Microbiome, Animals, Bacteria, Behavior, Animal, Cecum, Disease Models, Animal, Feces, Male, Mice, Inbred C57BL, Social Behavior, Mice, Diet, Ketogenic

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