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Observational Study
. 2021 Mar 5;100(9):e25091.
doi: 10.1097/MD.0000000000025091.

Differences in gut microbiota between allergic rhinitis, atopic dermatitis, and skin urticaria: A pilot study

Affiliations
Observational Study

Differences in gut microbiota between allergic rhinitis, atopic dermatitis, and skin urticaria: A pilot study (V体育平台登录)

Yu-Jih Su et al. Medicine (Baltimore). .

Abstract

Introduction: Several forms of allergy have been clinically presented, including, among others, atopic dermatitis (eczema), urticaria (hives), and allergic rhinitis (rhinitis). As their detailed pathogenesis continues to be researched, we aimed in the current study to compare gut microbiota differences between eczema, hives, and rhinitis patients VSports手机版. .

Methods: We enrolled 19 eczemas, nine hives, and 11 allergic rhinitis patients in this study. Fecal samples were examined using 16S ribosomal ribonucleic acid amplicon sequencing, followed by bioinformatics and statistical analyses. We compared microbiota in dermatitis (eczema), chronic urticaria (hives), and allergic rhinitis (rhinitis). V体育安卓版.

Results: All clinical data were similar between the subgroups. The microbiota results indicated that Bacteroidales species were found in skin allergies, both urticaria and eczema, when compared to rhinitis. The microbiota differs substantially between those patients with atopic dermatitis (eczema), chronic urticaria (hives), and allergic rhinitis (rhinitis), thus indicating that the gut-skin and gut-nose axes exist. Gut flora colonies differ significantly between skin allergy and nose allergy. Bacteroidales species could be a clinical link between gut flora and skin allergy; of those, Bacteroids Plebeius DSM 17135 is significantly associated with the urticaria (hives) subgroup. Conclusion. Our results demonstrated high intra-group homogeneous and high inter-group heterogeneous microbiota. The clinical symptoms of eczema, hives, and rhinitis can all be linked to specific microbiota in the current study. In this pilot study, the Ruminococcaceae and Bacteroidales species are associated with allergic disease, in line with several previous published articles, and the abundance of Firmicutes Phylum is representative of intestinal dysbiosis. In the future, a larger cohort and thorough biochemical studies are needed for confirmation V体育ios版. .

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Conflict of interest statement

The authors have no conflicts of interest to disclose.

Figures

Figure 1
Figure 1
The Rarefaction Curve demonstrates that the atopic dermatitis (eczema), hives (hives), and allergic rhinitis (rhinitis) subgroups were adequately sampled, as well as the species richness of the microbial DNA reach plateau.
Figure 2
Figure 2
The results of the gut microbiota communities from the atopic dermatitis (eczema), hives (hives), and allergic rhinitis (rhinitis) subgroups show that the Chao index, Shannon index, and observed species index were all P > .05, which indicates no distribution differences.
Figure 3
Figure 3
The results demonstrated that the microbial diversity differed significantly in the atopic dermatitis (eczema), hives (hives), and allergic rhinitis (rhinitis) subgroups (Figure 3A). The allergic rhinitis (rhinitis) subgroup was found to significantly differ away from the other 2 subgroups, eczema, and hives (Figure 3B).
Figure 4
Figure 4
Welch t-tests between atopic dermatitis (eczema) and hives (hives) in family and genus (Figure 4A). Welch t-tests between atopic dermatitis (eczema) and allergic rhinitis (rhinitis) in family and genus (Figure 4B). Welch t-tests between urticaria (hives) and allergic rhinitis (rhinitis) in family and genus (Figure 4C).
Figure 5
Figure 5
Phylum Firmicutes, class Clostridia, order Clostridiales, families Ruminococcaceae and Lachnospiraceae, genera Eubacterium and atopobium were 10,000 times higher than in the allergic rhinitis (rhinitis) subgroup. Species Bacteroids Plebeius DSM 17135 and genus Prevotella were 10,000 times higher than in the urticaria (hives) subgroup. Order Bacteroidales, class Bacteroidia, phylum Bacteroidetes, and genus Romboutsia were 10,000 times higher than in the atopic dermatitis (eczema) subgroup.

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