Genetic effects on the timing of parturition and links to fetal birth weight

Pol Solé-Navais, Christopher Flatley, Valgerdur Steinthorsdottir, Marc Vaudel, Julius Juodakis, Jing Chen, Triin Laisk, Abigail L LaBella, David Westergaard, Jonas Bacelis, Ben Brumpton, Line Skotte, Maria C Borges, Øyvind Helgeland, Anubha Mahajan, Matthias Wielscher, Frederick Lin, Catherine Briggs, Carol A Wang, Gunn-Helen MoenRobin N Beaumont, Jonathan P Bradfield, Abin Abraham, Gudmar Thorleifsson, Maiken E Gabrielsen, Sisse R Ostrowski, Dominika Modzelewska, Ellen A Nohr, Elina Hypponen, Amit Srivastava, Octavious Talbot, Catherine Allard, Scott M Williams, Ramkumar Menon, Beverley M Shields, Gardar Sveinbjornsson, Huan Xu, Mads Melbye, William Lowe, Luigi Bouchard, Emily Oken, Ole B Pedersen, Daniel F Gudbjartsson, Christian Erikstrup, Erik Sørensen, Early Growth Genetics Consortium, Rolv T Lie, Kari Teramo, Mikko Hallman, Thorhildur Juliusdottir, Hakon Hakonarson, Henrik Ullum, Andrew T Hattersley, Line Sletner, Mario Merialdi, Sheryl L Rifas-Shiman, Thora Steingrimsdottir, Denise Scholtens, Christine Power, Jane West, Mette Nyegaard, John A Capra, Anne H Skogholt, Per Magnus, Ole A Andreassen, Unnur Thorsteinsdottir, Struan F A Grant, Elisabeth Qvigstad, Craig E Pennell, Marie-France Hivert, Geoffrey M Hayes, Marjo-Riitta Jarvelin, Mark I McCarthy, Deborah A Lawlor, Henriette S Nielsen, Reedik Mägi, Antonis Rokas, Kristian Hveem, Kari Stefansson, Bjarke Feenstra, Pål Njolstad, Louis J Muglia, Rachel M Freathy, Stefan Johanson, Ge Zhang, Bo Jacobsson, Estonian Biobank Research Team, Danish Blood Donor Study Genomic Cohort

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Abstract

The timing of parturition is crucial for neonatal survival and infant health. Yet, its genetic basis remains largely unresolved. We present a maternal genome-wide meta-analysis of gestational duration (n = 195,555), identifying 22 associated loci (24 independent variants) and an enrichment in genes differentially expressed during labor. A meta-analysis of preterm delivery (18,797 cases, 260,246 controls) revealed six associated loci and large genetic similarities with gestational duration. Analysis of the parental transmitted and nontransmitted alleles (n = 136,833) shows that 15 of the gestational duration genetic variants act through the maternal genome, whereas 7 act both through the maternal and fetal genomes and 2 act only via the fetal genome. Finally, the maternal effects on gestational duration show signs of antagonistic pleiotropy with the fetal effects on birth weight: maternal alleles that increase gestational duration have negative fetal effects on birth weight. The present study provides insights into the genetic effects on the timing of parturition and the complex maternal-fetal relationship between gestational duration and birth weight.

Original languageEnglish
JournalNature Genetics
Volume55
Issue number4
Pages (from-to)559-567
Number of pages9
ISSN1061-4036
DOIs
Publication statusPublished - Apr 2023

Bibliographical note

Correction to this article has been published: https://doi.org/10.1038/s41588-023-01412-z
In the version of this article originally published, the surname of author Stefan Johansson was misspelled as Johanson. In the abstract and “Genome-wide association analyses” section of the Results, the number of loci associated with preterm birth was shown as six instead of seven. In addition, there was a production error in the Figure 1a y-axis units shown below 0, where “10” and “20” were shown as negative numbers. The errors have been corrected in the HTML and PDF versions of the article.
© 2023. The Author(s).

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