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Temporal and long-term gut microbiota variation in allergic disease: a prospective study from infancy to school age
Umeå universitet, Medicinska fakulteten, Institutionen för klinisk vetenskap, Pediatrik.
Umeå universitet, Medicinska fakulteten, Institutionen för klinisk mikrobiologi, Immunologi/immunkemi.
Umeå universitet, Teknisk-naturvetenskapliga fakulteten, Institutionen för matematik och matematisk statistik.
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2019 (Engelska)Ingår i: Allergy. European Journal of Allergy and Clinical Immunology, ISSN 0105-4538, E-ISSN 1398-9995, Vol. 74, nr 1, s. 176-185Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

Background: Compositional changes in the early‐life gut microbiota have been implicated in IgE‐associated allergic diseases, but there is lack of longitudinal studies. We examined gut microbiota development from infancy to school age in relation to onset of IgE‐associated allergic diseases. At 8 years of age, we also examined the relationship between gut microbiota and T‐cell regulation, estimated as responses to polyclonal T‐cell activation.

Methods: Stool samples were collected from 93 children at 4, 6, 13 months, and 8 years of age. The gut microbiota was profiled using 16S rRNA gene sequencing. Peripheral blood was drawn from all children, and mononuclear cells were polyclonally activated. Levels of IL‐10 and FOXP3 mRNA copies were determined using real‐time quantitative reverse transcriptase‐PCR.

Results: At 8 years of age, 21 children were diagnosed with IgE‐associated allergic disease and 90% displayed allergic comorbidity. Seventy‐two children were nonallergic and nonsensitized. Statistical tests with multiple testing corrections demonstrated temporal underrepresentation of Ruminococcus and consistent underrepresentation of Bacteroides, Prevotella, and Coprococcus in allergic compared to nonallergic children from infancy to school age. The gut microbiota of the allergic 8‐year‐olds was enriched in Bifidobacteriumand depleted of Lactobacillus, Enterococcus, and Lachnospira. In allergic 8‐year-olds, Faecalibacterium correlated with IL‐10 mRNA levels (rs = 0.49, Padj = 0.02) with the same trend for FOXP3 (rs = 0.39, Padj = 0.08).

Conclusions: We identified both temporal and long‐term variation in the differential abundance of specific bacterial genera in children developing IgE‐associated allergic disease. Improved dietary interventions aiming at expanding immune‐modulatory taxa could be studied for prevention of allergic disease.

Ort, förlag, år, upplaga, sidor
John Wiley & Sons, 2019. Vol. 74, nr 1, s. 176-185
Nyckelord [en]
allergy, diversity, intestinal colonization, microbiome, T-cell response
Nationell ämneskategori
Immunologi inom det medicinska området
Identifikatorer
URN: urn:nbn:se:umu:diva-157612DOI: 10.1111/all.13485ISI: 000459664100017PubMedID: 29786876Scopus ID: 2-s2.0-85055285542OAI: oai:DiVA.org:umu-157612DiVA, id: diva2:1299459
Tillgänglig från: 2019-03-27 Skapad: 2019-03-27 Senast uppdaterad: 2023-03-24Bibliografiskt granskad

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Simonyté Sjödin, KotrynaHammarström, Marie-LouiseRydén, PatrikHernell, OlleWest, Christina E.

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Simonyté Sjödin, KotrynaHammarström, Marie-LouiseRydén, PatrikHernell, OlleWest, Christina E.
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PediatrikImmunologi/immunkemiInstitutionen för matematik och matematisk statistik
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Allergy. European Journal of Allergy and Clinical Immunology
Immunologi inom det medicinska området

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