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GWAS meta-analysis provides new insights into uveal melanoma risk

  • Matthew D’Mellow
  • , Huanwei Wang
  • , Jane M. Palmer
  • , Kari Hemminki
  • , Colleen M. Cebulla
  • , Aaron B. Beasley
  • , Nikolaos E. Bechrakis
  • , Antonia L. Pritchard
  • , Karin W. Wadt
  • , Peter A. Johansson
  • , Lenha Mobuchon
  • , Samantha Barlow
  • , Kelly M. Brooks
  • , Timothy Beckman
  • , Catherine M. Olsen
  • , Sunil K. Warrier
  • , Lindsey Byrne
  • , Helen Kalirai
  • , Colette Mustard
  • , Nathan Ingold
  • Asta Försti, Timothy Isaacs, G. J. M. Shanika R. Jayasinghe, William J. Glasson, Gayle Williamson, Lindsay A. McGrath, Ngoc-Quynh Le, Vikas Chadha, Elin S. Gray, Kevin M. Brown, Paul Cauchi, Hauke Thomsen, Julie Connolly, Stuart MacGregor, David C. Whiteman, Jens F. Kiilgaard, Marc-Henri Stern, Sarah E. Coupland, Mohamed H. Abdel-Rahman, Michael Zeschnigk, Nick Hayward, Matthew H. Law

Producción científica: Articlerevisión exhaustiva

Resumen

Objective

The aim of this research is to identify germline genetic variants that predispose to uveal melanoma (UM) using data from nine studies involving 5839 individuals with UM (3853 novel) and 349,863 healthy controls.

Methods

Five novel UM genome-wide association studies (GWAS) were performed and included for meta-analysis with four previously published UM GWAS. A fixed-effects inverse-variance weighted (IVW) meta-analysis was performed by combining data from these nine UM case-control cohorts. A follow-up transcriptome-wide association study (TWAS) was conducted to identify candidate target genes at UM risk loci. Genetic correlations with melanoma-related phenotypes were measured to elucidate UM’s genetic architecture.

Results

We identify nine linkage disequilibrium (LD)-independent loci (three novel) with an IVW P value of less than 5 × 10−8. TWAS analysis indicates five potential target genes, including MOB3B, RBAK, and MTSS1, which have established links to multiple cancer types. We note a significant genetic correlation (rg = 0.31, P = 0.01) between UM and cutaneous melanoma (CM), and a non-significant but consistent correlation with naevus count (rg = 0.25, P = 0.08).

Conclusions

This meta-analysis offers new insights into the genetic architecture of UM, highlights potential therapeutic targets, and explores the genetic relationship with CM and skin pigmentation.
Idioma originalEnglish
PublicaciónBritish Journal of Cancer
DOI
EstadoPublished - 16 jun 2026

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