SynthesisInternational journal of epidemiology2025
Newborn blood DNA methylation and childhood asthma: findings from the ECHO program.
Synthesis in International journal of epidemiology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers, 1 of them a synthesis that pooled it.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
3 citing papers in PubMed, 1 synthesis or guideline pooled it.
- Immune and inflammatory mechanisms in asthma: insights into epigenetic modifications.Frontiers in immunology · 2025Pooled it
- Pathway-level epigenetic modeling illuminates the methylation architecture to asthma risk across tissues.Epigenetics & chromatin · 2026Article
- Epigenetic mechanisms linking the perinatal environment, the placenta, and maternal and child health outcomes: evidence for sexual dimorphism.Environmental epigenetics · 2026Article
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Authors and funding
18 authors.
Funding
Abstract
backgroundDNA methylation (DNAm) at birth has been linked to childhood asthma in epigenome-wide association studies (EWASs). However, existing EWASs have limited representation of non-European and extremely preterm participants and have not explored sex-specific DNAm differences. This study examined the association between DNAm in newborn blood and subsequent childhood asthma risk in a diverse population.
methodsData from the Environmental influences on Child Health Outcomes (ECHO) Program were used for EWAS meta-analyses in United States (US) cohorts of children born before and after 28 weeks of gestation. DNAm was measured in newborn blood using Illumina arrays. Childhood asthma was defined as provider-diagnosed asthma with persistent symptoms beyond age 5. Linear regression was used to identify differentially methylated positions (DMPs), and "comb-p" was used to identify differentially methylated regions (DMRs). Sex-stratified analyses were performed.
resultsThe meta-analysis included 942 children (369 asthma cases) born after 28 weeks of gestation. We identified a novel DMP (cg24749470 in CADM1, P = 9.31 × 10-8) and 18 DMRs (Šidák P-value <.001) associated with asthma, with four DMRs in the human leukocyte antigen region. At these four DMRs, the association between DNAm and asthma differed by sex. In the extremely preterm cohort (n = 271, 106 asthma cases), we identified 20 DMRs, with two novel asthma-associated DMPs (cg03237868 in SPATA18, P = 2.71 × 10-8; cg20681219 in IRF2, P = 5.18 × 10-8) identified in males.
conclusionIn US children born before and after 28 weeks of gestation, we discovered novel genomic loci linking newborn blood DNAm to childhood asthma, suggesting DNAm involvement in early asthma development.
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Registered trials
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