Journal Article DKFZ-2025-02589

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

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2025
Nature Publ. Group London [u.a.]

npj Genomic Medicine 10(1), 73 () [10.1038/s41525-025-00529-w]
 GO

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.

Classification:

Contributing Institute(s):
  1. Molekulargenetik des Mammakarzinoms (B072)
  2. Krebsepidemiologie (C180)
Research Program(s):
  1. 319H - Addenda (POF4-319H) (POF4-319H)

Appears in the scientific report 2025
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Medline ; Creative Commons Attribution CC BY (No Version) ; DOAJ ; Article Processing Charges ; Clarivate Analytics Master Journal List ; DOAJ Seal ; Essential Science Indicators ; Fees ; IF >= 5 ; JCR ; SCOPUS ; Science Citation Index Expanded ; Web of Science Core Collection
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 Record created 2025-11-24, last modified 2025-11-25


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