Differentially methylated DNA regions in early childhood wheezing: An epigenome‐wide study using saliva

Autor: Laura De Marco, Franca Rusconi, Maja Popovic, Anna Gillio-Tos, Morena Trevisan, Franco Merletti, Francesca Fasanelli, Chiara Grasso, Silvia Polidoro, Valentina Fiano, Daniela Zugna, Lorenzo Richiardi, Manuela Bianca Assumma
Rok vydání: 2019
Předmět:
Zdroj: Pediatric Allergy and Immunology
ISSN: 1399-3038
0905-6157
DOI: 10.1111/pai.13023
Popis: BACKGROUND Epigenetics may play a role in wheezing and asthma development. We aimed to examine infant saliva DNA methylation in association with early childhood wheezing. METHODS A case-control study was nested within the NINFEA birth cohort with 68 cases matched to 68 controls by sex, age (between 6 and 18 months, median: 10.3 months) and season at saliva sampling. Using a bumphunting region-based approach, we examined associations between saliva methylome measured using Illumina Infinium HumanMethylation450k array and wheezing between 6 and 18 months of age. We tested our main findings in independent publicly available data sets of childhood respiratory allergy and atopic asthma, with DNA methylation measured in different tissues and at different ages. RESULTS We identified one wheezing-associated differentially methylated region (DMR) spanning ten sequential CpG sites in the promoter-regulatory region of PM20D1 gene (family-wise error rate
Databáze: OpenAIRE
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