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- Title
Microbiome–Gut–Mucosal–Immune–Brain Axis and Autism Spectrum Disorder (ASD): A Novel Proposal of the Role of the Gut Microbiome in ASD Aetiology.
- Authors
De Sales-Millán, Amapola; Aguirre-Garrido, José Félix; González-Cervantes, Rina María; Velázquez-Aragón, José Antonio
- Abstract
Autism Spectrum Disorder (ASD) is a complex neurodevelopmental disorder characterised by deficits in social interaction and communication, as well as restricted and stereotyped interests. Due of the high prevalence of gastrointestinal disorders in individuals with ASD, researchers have investigated the gut microbiota as a potential contributor to its aetiology. The relationship between the microbiome, gut, and brain (microbiome–gut–brain axis) has been acknowledged as a key factor in modulating brain function and social behaviour, but its connection to the aetiology of ASD is not well understood. Recently, there has been increasing attention on the relationship between the immune system, gastrointestinal disorders and neurological issues in ASD, particularly in relation to the loss of specific species or a decrease in microbial diversity. It focuses on how gut microbiota dysbiosis can affect gut permeability, immune function and microbiota metabolites in ASD. However, a very complete study suggests that dysbiosis is a consequence of the disease and that it has practically no effect on autistic manifestations. This is a review of the relationship between the immune system, microbial diversity and the microbiome–gut–brain axis in the development of autistic symptoms severity and a proposal of a novel role of gut microbiome in ASD, where dysbiosis is a consequence of ASD-related behaviour and where dysbiosis in turn accentuates the autistic manifestations of the patients via the microbiome–gut–brain axis in a feedback circuit.
- Subjects
AUTISM spectrum disorders; GUT microbiome; ETIOLOGY of diseases; IRRITABLE colon; MICROBIAL diversity; BIOLOGICAL extinction; COMMUNICATIVE disorders
- Publication
Behavioral Sciences (2076-328X), 2023, Vol 13, Issue 7, p548
- ISSN
2076-328X
- Publication type
Article
- DOI
10.3390/bs13070548