Evidence map›Paper›PMID 26973132›Full record

ArticleAllergy2016

Association of season of birth with DNA methylation and allergic disease.

G A Lockett, N Soto-Ramírez, M A Ray, T M Everson, C-J Xu, V K Patil, W Terry, A Kaushal, F I Rezwan, S L Ewart and 7 more

Open access · bronzeAbstract read
In one paragraph

Article in Allergy, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 35 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
35citing papers in PubMed, 2 pooled it
5.0field-weighted citation impact, top 4% of its field
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

35 citing papers in PubMed, 2 syntheses or guidelines pooled it, 70 citations in OpenAlex.

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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

17 authors at 7 institutions in 3 countries.

G A LockettHuman Development and Health, Faculty of Medicine, University of Southampton, Southampton, UK.
N Soto-RamírezDivision of Epidemiology, Biostatistics and Environmental Health, School of Public Health, University of Memphis, Memphis, TN, USA.
M A RayDivision of Epidemiology, Biostatistics and Environmental Health, School of Public Health, University of Memphis, Memphis, TN, USA.
T M EversonDepartment of Epidemiology and Biostatistics, Arnold School of Public Health, University of South Carolina, Columbia, SC, USA.
C-J XuDepartment of Pulmonology, GRIAC Research Institute, University of Groningen, University Medical Center Groningen, Groningen, the Netherlands.
V K PatilThe David Hide Asthma and Allergy Research Centre, Isle of Wight, UK.
W TerryDivision of Epidemiology, Biostatistics and Environmental Health, School of Public Health, University of Memphis, Memphis, TN, USA.
A KaushalDivision of Epidemiology, Biostatistics and Environmental Health, School of Public Health, University of Memphis, Memphis, TN, USA.
F I RezwanHuman Development and Health, Faculty of Medicine, University of Southampton, Southampton, UK.
S L EwartDepartment of Large Animal Clinical Sciences, Michigan State University, East Lansing, MI, USA.
U GehringInstitute for Risk Assessment Sciences, Division of Environmental Epidemiology, Utrecht University, Utrecht, the Netherlands.
D S PostmaDepartment of Pulmonary Medicine and Tuberculosis, GRIAC Research Institute, University of Groningen, University Medical Center Groningen, Groningen, the Netherlands.
G H KoppelmanDepartment of Pediatric Pulmonology and Pediatric Allergology, Beatrix Children's Hospital, GRIAC Research Institute, University of Groningen, University Medical Center Groningen, Groningen, the Netherlands.
S H ArshadThe David Hide Asthma and Allergy Research Centre, Isle of Wight, UK.
H ZhangDivision of Epidemiology, Biostatistics and Environmental Health, School of Public Health, University of Memphis, Memphis, TN, USA.
W KarmausDivision of Epidemiology, Biostatistics and Environmental Health, School of Public Health, University of Memphis, Memphis, TN, USA.
J W HollowayHuman Development and Health, Faculty of Medicine, University of Southampton, Southampton, UK.
University of Memphis · USUniversity of Southampton · GBUniversity of Groningen · NLDavid Hide Asthma and Allergy Research Centre · GBMichigan State University · USUniversity of South Carolina · USUtrecht University · NL

Funding

Transgenerational epigenetic inheritance of allergy in a multigenerational cohortR01AI091905 · NIAID · UNIVERSITY OF SOUTH CAROLINA AT COLUMBIA · PI KARMAUS, WILFRIED JJ · 2011 to 2015
$2.7M
Genetic &epidemiologic cohort study of asthma &allergyR01AI061471 · NIAID · MICHIGAN STATE UNIVERSITY · PI EWART, SUSAN L · 2005 to 2009
$1.8M
Epidemiology of asthma: risk and prognosis in a cohort from birth to adolescenceR01HL082925 · NHLBI · ST. MARY'S HOSPITAL NEWPORT · PI ARSHAD, SYED HASAN · 2007 to 2010
$1.7M
Phenomics: Joint Clustering to Associate Changes in Allergy and Asthma Over TimeR21AI099367 · NIAID · UNIVERSITY OF SOUTH CAROLINA AT COLUMBIA · PI ZHANG, HONGMEI · 2013 to 2014
$372k
Medical Research Council G0900747 91070NHLBI NIH HHS R01 HL082925NIAID NIH HHS R01 AI061471NIAID NIH HHS R01 AI091905NIAID NIH HHS R21 AI099367Wellcome TrustWellcome Trust 090532/Z/09/Z
6 · The paper itself

Abstract

backgroundSeason of birth influences allergy risk; however, the biological mechanisms underlying this observation are unclear. The environment affects DNA methylation, with potentially long-lasting effects on gene expression and disease. This study examined whether DNA methylation could underlie the association between season of birth and allergy.

methodsIn a subset of 18-year-old participants from the Isle of Wight (IoW) birth cohort (n = 367), the risks of birth season on allergic outcomes were estimated. Whole blood epigenome-wide DNA methylation was measured, and season-associated CpGs detected using a training-and-testing-based technique. Validation method examined the 8-year-old Prevention and Incidence of Asthma and Mite Allergy (PIAMA) cohort. The relationships between DNA methylation, season of birth and allergy were examined. CpGs were analysed in IoW third-generation cohort newborns.

resultsAutumn birth increased risk of eczema, relative to spring birth. Methylation at 92 CpGs showed association with season of birth in the epigenome-wide association study. In validation, significantly more CpGs had the same directionality than expected by chance, and four were statistically significant. Season-associated methylation was enriched among networks relating to development, the cell cycle and apoptosis. Twenty CpGs were nominally associated with allergic outcomes. Two CpGs were marginally on the causal pathway to allergy. Season-associated methylation was largely absent in newborns, suggesting it arises post-natally.

conclusionsThis study demonstrates that DNA methylation in adulthood is associated with season of birth, supporting the hypothesis that DNA methylation could mechanistically underlie the effect of season of birth on allergy, although other mechanisms are also likely to be involved.

Indexed as

DNA MethylationSeasonsAdolescentChildChild, PreschoolCpG IslandsDisease SusceptibilityFemaleHumansHypersensitivityImmunoglobulin EInfantInfant, NewbornMaleMaternal ExposurePregnancyImmunoglobulin E450K arrayDNA methylationepigeneticsepigenome-wide association studyseason of birth

Identifiers

PMID26973132
PMCPMC5639882
OpenAlexW2295455726

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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 OpenQuestion graph.