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Cesarean Delivery and Blood DNA Methylation at Birth and Childhood: Meta-Analysis in the Pregnancy and Childhood Epigenetics Consortium

Siwen Wang, Emma Casey, Joanne Sordillo, Sofia Aguilar-Lacasaña, Fernanda Morales Berstein, Richard J Biedrzycki, Sonia Brescianini, Su Chen, Amy Hough, Elena Isaevska, Woo Jin Kim, Marion Lecorguillé, Sebastian Shaobo Li, Christian Page, Jaehyun Park, Stefan Roeder, Kristina Salontaji, Gillian Santorelli, Yidan Sun, Sungho WonEric Zillich, Lea Zillich, Isabella Annesi-Maesano, Syed Hasan Arshad, Mariona Bustamante, Charlotte A M Cecil, Hannah Elliott, Susan Ewart, Janine Felix, Luigi Gagliardi, Siri E Håberg, Gunda Herberth, Barbara Heude, John W. Holloway, Anke Hüls, Wilfried Karmaus, Gerard Koppelman, Stephanie London, Sunni Mumford, Lorenza Nisticò, Maja Popovic, Franca Rusconi, Enrique Schisterman, Dan J Stein, Tabea Sarah Send, Henning Tiemeier, Judith Vonk, Martine Vrijheid, Joseph L Wiemels, Stephanie H Witt, John Wright, Edwina Yeung, Heather Zar, Ana Claudia Zenclussen, Hongmei Zhang, Jorge Chavarro, Marie-France Hivert

Research output: Contribution to journalArticle (Academic Journal)peer-review

2 Citations (Scopus)

Abstract

Children born via cesarean delivery have a higher risk of metabolic, immunological, and neurodevelopmental disorders compared to those born via vaginal delivery, although mechanisms remain unclear. We conducted a meta-analysis of epigenome-wide association studies to examine the associations between delivery mode and blood DNA methylation at birth and its persistence in early childhood. Participants were from 19 pregnancy cohorts (9833 term newborns) and 6 pediatric cohorts (2429 children aged 6 to 10 years). We identified six CpGs in cord blood associated with cesarean delivery (effect size range: 0.4 to 0.7%, P < 1.0 × 10−7): MAP2K2 (cg19423175), LIM2 (cg01500140), CNP (cg13917614), BLM (cg18247172), RASA3 (cg22348356), and RUNX3 (cg20674490), independent of cell proportions and other confounders. In childhood, none of these CpGs were associated with cesarean delivery, and no additional CpGs were identified. Delivery mode was associated with cell proportions at birth but not in childhood. Further research is needed to elucidate cesarean delivery’s molecular influence on offspring health.
Original languageEnglish
Article numbereadr2084
Number of pages13
JournalScience Advances
Volume10
Issue number48
Early online date27 Nov 2024
DOIs
Publication statusPublished - 29 Nov 2024

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© 2024 the Authors, some rights reserved.

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