Intestinal microbiota and allergic diseases: A systematic review

Intestinal microbiota and allergic diseases: A systematic review

Author Melli, L. C. F. L. Autor UNIFESP Google Scholar
do Carmo-Rodrigues, M. S. Google Scholar
Araujo-Filho, H. B. Autor UNIFESP Google Scholar
Sole, D. Autor UNIFESP Google Scholar
de Morais, M. B. Autor UNIFESP Google Scholar
Abstract Evidence suggests that possible imbalances in intestinal microbiota composition may be implicated in the occurrence of allergic diseases. Although several studies published until 2006 indicated a correlation between microbiota composition and allergic symptoms, it has not been possible to distinguish protective microorganisms from those associated with increased risk of allergic diseases. Therefore, the objective of this study was to review the studies published since 2007 that address the intestinal microbiota in allergic diseases. Twenty-one studies were identified after excluding those that performed a clinical intervention before stool collection. In the early microbiota of children who later developed allergies, lower bacterial diversity was observed, with a predominance of Firmicutes; a higher count of Bacteroidaceae; a higher prevalence of the anaerobic bacteria Bacteroides fragilis, Escherichia coli, Clostridium difficile, Bifidobacterium catenulatum, Bifidobacterium bifidum, and Bifidobacterium longum; and a lower prevalence of Bifidobacterium adolescentis, B. bifidum, and Lactobacillus. In the microbiota of allergic children whose intestinal microbiota was assessed at the onset of allergic symptoms, there was a higher count of Bacteroides; a lower count of Akkermansia muciniphila, Faecalibacterium prausnitzii, and Clostridium; a higher prevalence of B. adolescentis; a lower prevalence of B. catenulatum and Staphylococcus aureus; and a lower bacterial diversity. (C) 2014 SEICAP. Published by Elsevier Espana, S.L.U. All rights reserved.
Keywords Microbiota
xmlui.dri2xhtml.METS-1.0.item-coverage Barcelona
Language English
Date 2016
Published in Allergologia Et Immunopathologia. Barcelona, v. 44, n. 2, p. 177-188, 2016.
ISSN 0301-0546 (Sherpa/Romeo, impact factor)
Publisher Elsevier Doyma Sl
Extent 177-188
Access rights Closed access
Type Article
Web of Science ID WOS:000372478700013

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