Gut microbiota profiles of autism spectrum disorder and attention deficit/hyperactivity disorder: A systematic literature review

Accumulating evidence has implicated an involvement of the gut-brain axis in autism spectrum disorder (ASD) and attention-deficit hyperactivity disorder (ADHD), however with highly diverse results. This systematic review aims to describe and evaluate studies investigating the gut microbiota composit...

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Veröffentlicht in:Gut microbes 2020-09, Vol.11 (5), p.1172-1187
Hauptverfasser: Bundgaard-Nielsen, Caspar, Knudsen, Julie, Leutscher, Peter D. C., Lauritsen, Marlene B., Nyegaard, Mette, Hagstrøm, Søren, Sørensen, Suzette
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container_end_page 1187
container_issue 5
container_start_page 1172
container_title Gut microbes
container_volume 11
creator Bundgaard-Nielsen, Caspar
Knudsen, Julie
Leutscher, Peter D. C.
Lauritsen, Marlene B.
Nyegaard, Mette
Hagstrøm, Søren
Sørensen, Suzette
description Accumulating evidence has implicated an involvement of the gut-brain axis in autism spectrum disorder (ASD) and attention-deficit hyperactivity disorder (ADHD), however with highly diverse results. This systematic review aims to describe and evaluate studies investigating the gut microbiota composition in individuals with ASD or ADHD and to evaluate if variations in gut microbiota are associated with these disorders. Twenty-four articles were identified in a systematic literature search of PubMed and Embase up to July 22, 2019. They consisted of 20 studies investigating ASD and four studies investigating ADHD. For ASD, several studies agreed on an overall difference in β-diversity, although no consistent bacterial variation between all studies was reported. For ADHD, the results were more diverse, with no clear differences observed. Several common characteristics in gut microbiota function were identified for ASD compared to controls. In contrast, highly heterogeneous results were reported for ADHD, and thus the association between gut microbiota composition and ADHD remains unclear. For both disorders, methodological differences hampered the comparison of studies.
doi_str_mv 10.1080/19490976.2020.1748258
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subjects attention-deficit hyperactivity disorder
Autism Spectrum Disorder
gut-Brain axis
microbiome
microbiota
neurodevelopmental disorders
Review
systematic Review
title Gut microbiota profiles of autism spectrum disorder and attention deficit/hyperactivity disorder: A systematic literature review
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