Cited by 44Gut microbiota and healthDiet and metabolism studiesAutism Spectrum Disorder Research

Ketogenic Diet Induced Shifts in the Gut Microbiome Associate with Changes to Inflammatory Cytokines and Brain-Related miRNAs in Children with Autism Spectrum Disorder

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Allan, Nina P., Yamamoto, Brennan Y., Kunihiro, Braden P., Nunokawa, Chandler K. L., Rubas, Noelle C., Wells, Riley K., Umeda, Lesley, Phankitnirundorn, Krit +4 more·2024·Nutrients

Abstract

In this interventional pilot study, we investigated the effects of a modified ketogenic diet (KD) on children with autism spectrum disorder (ASD). We previously observed improved behavioral symptoms in this cohort following the KD; this trial was registered with Clinicaltrials.gov (NCT02477904). This report details the alterations observed in the microbiota, inflammation markers, and microRNAs of seven children following a KD for a duration of 4 months. Our analysis included blood and stool samples, collected before and after the KD. After 4 months follow up, we found that the KD led to decreased plasma levels of proinflammatory cytokines (IL-12p70 and IL-1b) and brain-derived neurotrophic factor (BDNF). Additionally, we observed changes in the gut microbiome, increased expression of butyrate kinase in the gut, and altered levels of BDNF-associated miRNAs in the plasma. These cohort findings suggest that the KD may positively influence ASD sociability, as previously observed, by reducing inflammation, reversing gut microbial dysbiosis, and impacting the BDNF pathway related to brain activity.

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Authors
Allan, N. P., Yamamoto, B. Y., Kunihiro, B. P., Nunokawa, C. K. L., Rubas, N. C., Wells, R. K., Umeda, L., Phankitnirundorn, K., Torres, A., Peres, R., Takahashi, E., & Maunakea, A. K.
Affiliations
  • University of Hawaiʻi at Mānoa (US)
  • Harvard University (US)
Corresponding author
Maunakea, Alika K.
Venue
Nutrients
Publisher
MDPI AG
Published
2024-05-07
Volume
16
Issue
10
Pages
1401
ISSN
2072-6643 (ISSN-L)
OpenAlex
W4396706141
Cited by
44
References
59
Citations by year
2026: 11 · 2025: 29 · 2024: 4
FWCI
5.97
Type
journal article
Language
en
Open access
Locations
  • Nutrients (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
Funders
  • HMSA Foundation (1P20GM113134-17S17)
  • NIH (1P20GM113134-17S17)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Gut microbiota and health
  • Health Sciences › Medicine › Physiology › Diet and metabolism studies
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Autism Spectrum Disorder Research
Keywords
ketogenic diet, autism spectrum disorder, gut microbiota, inflammatory cytokines, brain-derived neurotrophic factor, microRNA, butyrate kinase, dysbiosis, inflammation, children, sociability
MeSH terms
Autism Spectrum Disorder, Gastrointestinal Microbiome, Brain, Child, Child, Preschool, Female, Humans, Inflammation, Male, Pilot Projects, Cytokines, Brain-Derived Neurotrophic Factor, MicroRNAs, Diet, Ketogenic, Dysbiosis

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