Evidence map›Paper›PMID 42273165›Full record

ArticleFrontiers in allergy2026

Does early-life respiratory syncytial virus infection induce epigenetic changes that promote asthma development?

Sara Pischedda, Alberto Gómez-Carballa, Federico Martinón-Torres, Antonio Salas

Abstract read
In one paragraph

Article in Frontiers in allergy, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.

0numbers the graph read from it
0cells of the map it votes in
1citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

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.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

1 citing paper in PubMed.

  1. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

4 authors.

Sara PischeddaUnidade de Xenética, Instituto de Ciencias Forenses, Facultade de Medicina, Universidade de Santiago de Compostela, Santiago de Compostela, Galicia, Spain.
Alberto Gómez-CarballaUnidade de Xenética, Instituto de Ciencias Forenses, Facultade de Medicina, Universidade de Santiago de Compostela, Santiago de Compostela, Galicia, Spain.
Federico Martinón-TorresGenetics, Vaccines and Infections Research Group (GenViP), Instituto de Investigación Sanitaria de Santiago, Universidade de Santiago de Compostela, Santiago de Compostela, Galicia, Spain.
Antonio SalasUnidade de Xenética, Instituto de Ciencias Forenses, Facultade de Medicina, Universidade de Santiago de Compostela, Santiago de Compostela, Galicia, Spain.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Respiratory viral infections in early life are strongly associated with the development of childhood asthma, although the mechanisms linking infection to long-term respiratory outcomes remain unclear. It is not yet established whether viral infections directly cause persistent airway damage or instead unmask an underlying host susceptibility. Increasing evidence suggests that epigenetic mechanisms, particularly DNA methylation, may act as a biological interface connecting environmental exposures with immune and respiratory development. Epigenome-wide association studies have identified consistent DNA methylation signatures associated with childhood asthma, suggesting that altered immune programming may precede clinical disease rather than simply reflecting established inflammation. Our recent work in children hospitalized with respiratory syncytial virus (RSV) infection provides additional insights into the role of the epigenome in shaping later respiratory sequelae. In a longitudinal study, DNA methylation profiles obtained during the acute phase of infection were associated with subsequent wheezing and asthma development. In this Perspective, we explore the hypothesis that early-life RSV infection may contribute to epigenetic changes that increase the risk of developing asthma later in life. By examining DNA methylation biomarkers previously associated with asthma in our cohort of RSV-infected children, we observed that individuals who later developed asthma showed more alterations in these biomarkers, predominantly hypomethylation patterns consistent with prior asthma studies. These proof-of-concept findings suggest that RSV infection may initiate asthma-related epigenetic mechanisms. Further longitudinal studies are needed to determine whether these changes reflect pre-existing susceptibility or infection-induced epigenetic remodeling, and to clarify their persistence and functional impact on immune and airway biology.

Indexed as

asthmaepigenomicsgene-expressionmethylomerespiratory syncytial virusrespiratory viral infectiontranscriptome

Identifiers

PMID42273165
PMCPMC13246610

What Socratic holds

Textmetadata
LicenceCC BY
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Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the Socratic graph.