The perturbance of microbiome and gut-brain axis in autism spectrum disorders

Greta Fowlie, Nicholas Cohen, Xue Ming

Research output: Contribution to journalComment/debatepeer-review

60 Scopus citations


Gastrointestinal problems have been documented in Autism Spectrum Disorder (ASD). Studies have found that these disturbances may be associated with an altered gut microbiome in ASD. Furthermore, in ASD, these alterations are implicated in increased gut permeability, or “leaky gut”, which allows bacterial metabolites to cross the gut barrier, impacting neurodevelopment during early childhood in susceptible subjects by way of gut-brain axis. In our review, we will discuss the interaction of gut microbiota and brain development in ASD and the signaling mechanisms underlying this interaction. We will also explore the potential for treatment of ASD by targeting the microbiome with probiotics. Finally, this paper will attempt to provide significance to the aggregation of the research in this area of research; providing our interpretations and assessments of future of this field.

Original languageEnglish (US)
Article number2251
JournalInternational journal of molecular sciences
Issue number8
StatePublished - Aug 1 2018

All Science Journal Classification (ASJC) codes

  • Catalysis
  • Molecular Biology
  • Spectroscopy
  • Computer Science Applications
  • Physical and Theoretical Chemistry
  • Organic Chemistry
  • Inorganic Chemistry


  • Autism spectrum disorders
  • Dysbiosis
  • Gastrointestinal disorders
  • Gut brain axis
  • Leaky gut syndrome
  • Microbiome


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