Evaluation of polygenic scores for hypertrophic cardiomyopathy in the general population and across clinical settings

Sean L. Zheng, Sean J. Jurgens, Kathryn A. McGurk, Xiao Xu, Chris Grace, Pantazis I. Theotokis, Rachel J. Buchan, Catherine Francis, Antonio de Marvao, Lara Curran, Wenjia Bai, Chee Jian Pua, Hak Chiaw Tang, Paloma Jorda, Marjon A. van Slegtenhorst, Judith M. A. Verhagen, Andrew R. Harper, Elizabeth Ormondroyd, Calvin W. L. Chin, James S. Ware*Antonio de Marvao, Antonis Pantazis, John Baksi, Brian P. Halliday, Paul Matthews, Yigal M. Pinto, Roddy Walsh, Ahmad S. Amin, Arthur A. M. Wilde, Stuart A. Cook, Sanjay K. Prasad, Paul J. R. Barton, Declan P. O’Regan, R. T. Lumbers, Anuj Goel, Rafik Tadros, Michelle Michels, Hugh Watkins, Connie R. Bezzina, HCM GWAS Collaborators

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

3 Citations (Scopus)

Abstract

Hypertrophic cardiomyopathy (HCM) is an important cause of morbidity and mortality, with pathogenic variants found in about a third of cases. Large-scale genome-wide association studies (GWAS) demonstrate that common genetic variation contributes to HCM risk. Here we derive polygenic scores (PGS) from HCM GWAS and genetically correlated traits and test their performance in the UK Biobank, 100,000 Genomes Project, and clinical cohorts. We show that higher PGS significantly increases the risk of HCM in the general population, particularly among pathogenic variant carriers, where HCM penetrance differs 10-fold between those in the highest and lowest PGS quintiles. Among relatives of HCM probands, PGS stratifies risks of developing HCM and adverse outcomes. Finally, among HCM cases, PGS strongly predicts the risk of adverse outcomes and death. These findings support the broad utility of PGS across clinical settings, enabling tailored screening and surveillance and stratification of risk of adverse outcomes.
Original languageEnglish
Article number3328
Pages (from-to)563-571
Number of pages9
JournalNat. Genet.
Volume57
Issue number3
Early online date2025
DOIs
Publication statusPublished - Mar 2025

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