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The gut microbiota regulates autism-like behavior by mediating vitamin Bhomeostasis in EphB6-deficient mice

Microbiome, ISSN: 2049-2618, Vol: 8, Issue: 1, Page: 120
2020
  • 87
    Citations
  • 0
    Usage
  • 118
    Captures
  • 0
    Mentions
  • 122
    Social Media
Metric Options:   Counts1 Year3 Year

Metrics Details

  • Citations
    87
  • Captures
    118
  • Social Media
    122
    • Shares, Likes & Comments
      122
      • Facebook
        122

Article Description

Background: Autism spectrum disorder (ASD) is a developmental disorder, and the effective pharmacological treatments for the core autistic symptoms are currently limited. Increasing evidence, particularly that from clinical studies on ASD patients, suggests a functional link between the gut microbiota and the development of ASD. However, the mechanisms linking the gut microbiota with brain dysfunctions (gut-brain axis) in ASD have not yet been full elucidated. Due to its genetic mutations and downregulated expression in patients with ASD, EPHB6, which also plays important roles in gut homeostasis, is generally considered a candidate gene for ASD. Nonetheless, the role and mechanism of EPHB6 in regulating the gut microbiota and the development of ASD are unclear. Results: Here, we found that the deletion of EphB6 induced autism-like behavior and disturbed the gut microbiota in mice. More importantly, transplantation of the fecal microbiota from EphB6-deficient mice resulted in autism-like behavior in antibiotic-treated C57BL/6J mice, and transplantation of the fecal microbiota from wild-type mice ameliorated the autism-like behavior in EphB6-deficient mice. At the metabolic level, the disturbed gut microbiota in EphB6-deficient mice led to vitamin B6 and dopamine defects. At the cellular level, the excitation/inhibition (E/I) balance in the medial prefrontal cortex was regulated by gut microbiota-mediated vitamin B6 in EphB6-deficient mice. Conclusions: Our study uncovers a key role for the gut microbiota in the regulation of autism-like social behavior by vitamin B6, dopamine, and the E/I balance in EphB6-deficient mice, and these findings suggest new strategies for understanding and treating ASD. [MediaObject not available: see fulltext.]

Bibliographic Details

Li, Ying; Luo, Zheng-Yi; Hu, Yu-Ying; Bi, Yue-Wei; Yang, Jian-Ming; Zou, Wen-Jun; Song, Yun-Long; Li, Shi; Shen, Tong; Li, Shu-Ji; Huang, Lang; Zhou, Ai-Jun; Gao, Tian-Ming; Li, Jian-Ming

Springer Science and Business Media LLC

Immunology and Microbiology; Medicine

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