Recent advances in polygenic scores: translation, equitability, methods and FAIR tools
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2024-12-01
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Genome Medicine
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BMC
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Melbourne Medical School
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Journal Article
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Xiang, R., Kelemen, M., Xu, Y., Harris, L. W., Parkinson, H., Inouye, M. & Lambert, S. A. (2024). Recent advances in polygenic scores: translation, equitability, methods and FAIR tools. Genome Medicine, 16 (1), https://doi.org/10.1186/s13073-024-01304-9.
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Abstract
Polygenic scores (PGS) can be used for risk stratification by quantifying individuals' genetic predisposition to disease, and many potentially clinically useful applications have been proposed. Here, we review the latest potential benefits of PGS in the clinic and challenges to implementation. PGS could augment risk stratification through combined use with traditional risk factors (demographics, disease-specific risk factors, family history, etc.), to support diagnostic pathways, to predict groups with therapeutic benefits, and to increase the efficiency of clinical trials. However, there exist challenges to maximizing the clinical utility of PGS, including FAIR (Findable, Accessible, Interoperable, and Reusable) use and standardized sharing of the genomic data needed to develop and recalculate PGS, the equitable performance of PGS across populations and ancestries, the generation of robust and reproducible PGS calculations, and the responsible communication and interpretation of results. We outline how these challenges may be overcome analytically and with more diverse data as well as highlight sustained community efforts to achieve equitable, impactful, and responsible use of PGS in healthcare.