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Altered Gut Microbiota in Korean Children with Autism Spectrum Disorders

Authors
 Sungji Ha  ;  Donghun Oh  ;  Sunghee Lee  ;  Jaewan Park  ;  Jaeun Ahn  ;  Sungku Choi  ;  Keun-Ah Cheon 
Citation
 NUTRIENTS, Vol.13(10) : 3300, 2021-10 
Journal Title
NUTRIENTS
Issue Date
2021-10
Abstract
Autism spectrum disorder (ASD) is a neurodevelopmental disorder characterized by social and behavioral impairments. Recent studies have suggested that gut microbiota play a critical role in ASD pathogenesis. Herein, we investigated the fecal microflora of Korean ASD children to determine gut microbiota profiles associated with ASD. Specifically, fecal samples were obtained from 54 children with ASD and 38 age-matched children exhibiting typical development. Systematic bioinformatic analysis revealed that the composition of gut microbiota differed between ASD and typically developing children (TDC). Moreover, the total amounts of short-chain fatty acids, metabolites produced by bacteria, were increased in ASD children. At the phylum level, we found a significant decrease in the relative Bacteroidetes abundance of the ASD group, whereas Actinobacteria abundance was significantly increased. Furthermore, we found significantly lower Bacteroides levels and higher Bifidobacterium levels in the ASD group than in the TDC group at the genus level. Functional analysis of the microbiota in ASD children predicted that several pathways, including genetic information processing and amino acid metabolism, can be associated with ASD pathogenesis. Although more research is needed to determine whether the differences between ASD and TDC are actually related to ASD pathogenesis, these results provide further evidence of altered gut microbiota in children with ASD, possibly providing new perspectives on the diagnosis and therapeutic approaches for ASD patients.
Files in This Item:
T202104090.pdf Download
DOI
10.3390/nu13103300
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Psychiatry (정신과학교실) > 1. Journal Papers
Yonsei Authors
Ahn, Jaeun(안재은) ORCID logo https://orcid.org/0000-0002-1331-7854
Oh, Dong Hun(오동훈)
Cheon, Keun Ah(천근아) ORCID logo https://orcid.org/0000-0001-7113-9286
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/185424
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