Evidence map›Paper›PMID 42910596›Full record

ArticlePediatric allergy and immunology : official publication of the European Society of Pediatric Allergy and Immunology2026

Association of early life anti-pathogen immune responses with infant food sensitisation and allergy: An elastic-net stability-selection approach.

Ellie McDonald, Sofie Biering-Sørensen, Laure F Pittet, Nigel Curtis, Nicole L Messina

Abstract read
In one paragraph

Article in Pediatric allergy and immunology : official publication of the European Society of Pediatric Allergy and Immunology, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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1 · What the graph read from it

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3 · Its place in the literature

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4 · The record

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5 · Who and what money

Authors and funding

5 authors.

Ellie McDonaldInfectious Diseases Group, Murdoch Children's Research Institute, Parkville, Victoria, Australia.ORCID https://orcid.org/0000-0003-2295-4641
Sofie Biering-SørensenInfectious Diseases Group, Murdoch Children's Research Institute, Parkville, Victoria, Australia.
Laure F PittetInfectious Diseases Group, Murdoch Children's Research Institute, Parkville, Victoria, Australia.ORCID https://orcid.org/0000-0002-2395-4574
Nigel CurtisInfectious Diseases Group, Murdoch Children's Research Institute, Parkville, Victoria, Australia.ORCID https://orcid.org/0000-0003-3446-4594
Nicole L MessinaInfectious Diseases Group, Murdoch Children's Research Institute, Parkville, Victoria, Australia.ORCID https://orcid.org/0000-0001-8404-4462

Funding

Murdoch Children's Research InstituteNational Health and Medical Research Council 1051228National Health and Medical Research Council 1099676National Health and Medical Research Council GNT2042979Royal Children's Hospital FoundationSwiss National Science Foundation Ambizione PZ00P3-209050Swiss National Science Foundation Early Postdoc Mobility grant P2GEP3_178155University of Melbourne
6 · The paper itself

Abstract

backgroundThe development of food sensitisation (FS) and food allergy (FA) reflects complex interactions between genetic, environmental and immunological factors, which conventional univariate approaches may fail to capture. This exploratory study applied penalised regression to determine whether early-life immune responses to common pathogens are associated with infant FS and FA.

methodsAt 1 year of age, FS was determined by skin prick test and FA by allergy/tolerance history and oral food challenge. Elastic net regression (ENR) was applied to cytokine response data (13 cytokines) from whole blood stimulation (11 microbial stimuli) collected at 6 months of age (n = 147), together with longitudinal clinical data from MIS BAIR trial infants. Stably selected variables (0.75) were analysed by multivariable logistic regression to explore the direction of association of the stably selected variables.

resultsFor FS, 13 cytokine-stimulant pairs were stably selected in cytokine-only ENR models. After including early-life clinical factors, four pairs were retained. Two were inversely associated with FS (Haemophilus influenzae IL-1Ra and Pam3CSK4 MIP-1α). Two were positively associated (Streptococcus pyogenes IL-1Ra and peptidoglycan IFN-γ). For FA, four cytokine-stimulant pairs were selected in cytokine-only ENR models. Two were positively associated with FA (Escherichia coli-stimulated MCP-1 and S. pyogenes IP-10), and two inversely associated (Pam3CSK4 IL-1Ra and H. influenzae IL-1Ra). No cytokine responses were selected after inclusion of clinical factors in the FA model. The most consistently selected clinical factors were infant eczema for FS and topical corticosteroid treatment by 6 months for FA likely due to disease severity.

conclusionEarly-life cytokine responses to pathogens associated with FS and FA at 1 year were identified through stability selection. While hypothesis-generating, findings were consistent with a role for early immune perturbation in the development of food sensitisation.

Indexed as

Food HypersensitivityCytokinesFemaleHumansInfantMaleSkin TestsCytokinesallergyatopycytokineinnate immunepenalised regression

Identifiers

PMID42910596
PMCPMC13688703

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