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A Pregnancy and Childhood Epigenetics Consortium (PACE) meta-analysis highlights potential relationships between birth order and neonatal blood DNA methylation

  • Shaobo Li
  • , Natalia Spitz
  • , Akram Ghantous
  • , Sarina Abrishamcar
  • , Brigitte Reimann
  • , Irene Marques
  • , Matt J. Silver
  • , Sofía Aguilar-Lacasaña
  • , Negusse Kitaba
  • , Faisal I. Rezwan
  • , Stefan Röder
  • , Lea Sirignano
  • , Johanna Tuhkanen
  • , Giulia Mancano
  • , Gemma C. Sharp
  • , Catherine Metayer
  • , Libby Morimoto
  • , Dan J. Stein
  • , Heather J. Zar
  • , Rossella Alfano
  • Tim Nawrot, Congrong Wang, Eero Kajantie, Elina Keikkala, Sanna Mustaniemi, Justiina Ronkainen, Sylvain Sebert, Wnurinham Silva, Marja Vääräsmäki, Vincent W.V. Jaddoe, Robin M. Bernstein, Andrew M. Prentice, Marta Cosin-Tomas, Terence Dwyer, Siri Eldevik Håberg, Zdenko Herceg, Maria C. Magnus, Monica Cheng Munthe-Kaas, Christian M. Page, Maja Völker, Maria Gilles, Tabea Send, Stephanie Witt, Lea Zillich, Luigi Gagliardi, Lorenzo Richiardi, Darina Czamara, Katri Räikkönen, Lida Chatzi, Marina Vafeiadi, S. Hasan Arshad, Susan Ewart, Michelle Plusquin, Janine F. Felix, Sophie E. Moore, Martine Vrijheid, John W. Holloway, Wilfried Karmaus, Gunda Herberth, Ana Zenclussen, Fabian Streit, Jari Lahti, Anke Hüls, Thanh T. Hoang, Stephanie J. London, Joseph L. Wiemels*
*Corresponding author for this work
  • University of Southern California
  • International Agency for Research on Cancer
  • Emory University
  • Agoralaan
  • Erasmus University Rotterdam
  • London School of Hygiene and Tropical Medicine
  • ISGlobal
  • Pompeu Fabra University
  • Centro de Investigación Biomédica en Red
  • University of Southampton
  • Aberystwyth University
  • Helmholtz Centre for Environmental Research
  • Heidelberg University 
  • University of Helsinki
  • University of Bristol
  • University of Exeter
  • University of California at Berkeley
  • University of Cape Town
  • University of Oulu
  • Norwegian University of Science and Technology
  • Helsinki University Hospital
  • National Institute for Health and Welfare
  • University of Colorado Boulder
  • University of Oxford
  • Norwegian Institute of Public Health
  • University of Oslo
  • Ospedale Versilia
  • University of Turin
  • University of Crete
  • David Hide Asthma and Allergy Research Centre
  • Michigan State University
  • King's College London
  • University of Memphis
  • Leipzig University
  • National Institutes of Health

Research output: Contribution to journalArticlepeer-review

4 Scopus citations

Abstract

Higher birth order is associated with altered risk of many disease states. Changes in placentation and exposures to in utero growth factors with successive pregnancies may impact later life disease risk via persistent DNA methylation alterations. We investigated birth order with Illumina DNA methylation array data in each of 16 birth cohorts (8164 newborns) with European, African, and Latino ancestries from the Pregnancy and Childhood Epigenetics Consortium. Meta-analyzed data demonstrated systematic DNA methylation variation in 341 CpGs (FDR adjusted P < 0.05) and 1107 regions. Forty CpGs were located within known quantitative trait loci for gene expression traits in blood, and trait enrichment analysis suggested a strong association with immune-related, transcriptional control, and blood pressure regulation phenotypes. Decreasing fertility rates worldwide with the concomitant increased proportion of first-born children highlights a potential reflection of birth order-related epigenomic states on changing disease incidence trends.

Original languageEnglish
Article number66
JournalCommunications Biology
Volume7
Issue number1
DOIs
StatePublished - Dec 2024
Externally publishedYes

Funding

FundersFunder number
National Cancer InstituteR01CA175737
U.S. Environmental Protection AgencyRD83615901, RD83451101
Horizon 2020 Framework Programme874739
Medical Research CouncilMR/T032863/1
National Institute of Environmental Health SciencesP01ES018172, R01CA185058, R01ES09137

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