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Genome-wide association study of 398,238 women unveils seven loci associated with high-grade serous ovarian cancer

  • Daniel R. Barnes*
  • , Jonathan P. Tyrer
  • , Joe Dennis
  • , Goska Leslie
  • , Manjeet K. Bolla
  • , Michael Lush
  • , Amber M. Aeilts
  • , Kristiina Aittomäki
  • , Nadine Andrieu
  • , Irene L. Andrulis
  • , Hoda Anton-Culver
  • , Adalgeir Arason
  • , Banu K. Arun
  • , Judith Balmaña
  • , Elisa V. Bandera
  • , Rosa B. Barkardottir
  • , Lieke P.V. Berger
  • , Amy Berrington de Gonzalez
  • , Pascaline Berthet
  • , Katarzyna Bialkowska
  • Line Bjørge, Amie M. Blanco, Marinus J. Blok, Kristie A. Bobolis, Natalia V. Bogdanova, James D. Brenton, Henriett Butz, Saundra S. Buys, Maria A. Caligo, Ian Campbell, Carmen Castillo, Kathleen B.M. Claes, Sarah V. Colonna, Linda S. Cook, Mary B. Daly, Agnieszka Dansonka-Mieszkowska, Miguel de la Hoya, Anna deFazio, Allison DePersia, Yuan Chun Ding, Jennifer A. Doherty, Susan M. Domchek, Thilo Dörk, Zakaria Einbeigi, Christoph Engel, D. Gareth Evans, Lenka Foretova, Renée T. Fortner, Florentia Fostira, Maria Cristina Foti, Et al.
*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

Abstract

Nineteen genomic regions have been associated with high-grade serous ovarian cancer (HGSOC). We meta-analyzed >22 million variants for 398,238 women from the Ovarian Cancer Association Consortium (OCAC), UK Biobank (UKBB) and Consortium of Investigators of Modifiers of BRCA1/BRCA2 (CIMBA) to identify novel HGSOC susceptibility loci. Eight novel variants were associated with HGSOC risk. An interesting discovery biologically was TP53 3’-UTR SNP rs78378222-T’s association with HGSOC (per-T-allele relative risk (RR) = 1.44, 95% CI:1.28–1.62, P = 1.76 × 10-9). Polygenic scores (PGS) were developed using OCAC and CIMBA data and trained on FinnGen data. The optimal PGS included 64,518 variants and was associated with an odds ratio of 1.46 (95% CI:1.37–1.54) per standard deviation when validated in the UKBB. This study represents the largest HGSOC GWAS to date – demonstrating that improvements in imputation reference panels and increased sample sizes help to identify HGSOC associated variants that previously went undetected, ultimately improving PGS which can improve personalized HGSOC risk prediction.
Original languageEnglish
Article number73
Number of pages21
Journalnpj Genomic Medicine
Volume10
Issue number1
DOIs
Publication statusPublished - 1 Dec 2025

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