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Temporal and long‐term gut microbiota variation in allergic disease: A prospective study from infancy to school age

免疫学 肠道菌群 前瞻性队列研究 变化(天文学) 期限(时间) 疾病 医学 儿科 内科学 天体物理学 量子力学 物理
作者
Kotryna Simonyté Sjödin,Marie‐Louise Hammarström,Patrik Rydén,Andreas Sjödin,Olle Hernell,Lars Engstrand,Christina West
出处
期刊:Allergy [Wiley]
卷期号:74 (1): 176-185 被引量:66
标识
DOI:10.1111/all.13485
摘要

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.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.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 Bifidobacterium and 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).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.
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