We created a population-scale functional genomic dataset that maps whole blood regulatory variation in three South African groups. This resource supports the interpretation of genome-wide association studies in African-ancestry individuals, enabling translation to actionable discoveries.
This is a preview of subscription content, access via your institution
Access options
Access Nature and 54 other Nature Portfolio journals
Get Nature+, our best-value online-access subscription
$32.99 / 30 days
cancel any time
Subscribe to this journal
Receive 12 print issues and online access
$259.00 per year
only $21.58 per issue
Buy this article
- Purchase on SpringerLink
- Instant access to the full article PDF.
USD 39.95
Prices may be subject to local taxes which are calculated during checkout

References
Ramsay, M. African genomic data sharing and the struggle for equitable benefit. Patterns 3, 100412 (2022). An opinion article on the scarcity and value of genomic and health data in Africa and the need for ethical, benefit-sharing frameworks.
Omotoso, O. E. et al. Bridging the genomic data gap in Africa: implications for global disease burdens. Global Health 18, 103 (2022). A review article that presents the current state of ancestry represented in global genomic data repositories and the gap that exists in Africa.
Kim-Hellmuth, S. et al. Cell type-specific genetic regulation of gene expression across human tissues. Science 369, eaaz8428 (2020). This article reports the use of the xCell method, cell proportion GWAS, and cell type interaction eQTLs applied to GTEx data.
GTEx Consortium. The GTEx Consortium atlas of genetic regulatory effects across human tissues. Science 369, 1318–1330 (2020). This article reports the analysis methods and results of the GTEx project.
LeBaron von Baeyer, S. et al. Why community consultation matters in genomic research benefit-sharing models. Genome Res. 34, 1–6 (2024). A perspective article discussing the importance of benefit sharing in genomic research and proposing a community-driven collective financial model.
Additional information
Publisher’s note Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.
This is a summary of: Castel, S. E. et al. A map of blood regulatory variation in South Africans enables GWAS interpretation. Nat. Genet. https://doi.org/10.1038/s41588-025-02223-0 (2025).
Rights and permissions
About this article
Cite this article
Empowering African GWAS with a map of blood regulatory variation. Nat Genet 57, 1574–1575 (2025). https://doi.org/10.1038/s41588-025-02228-9
Published:
Version of record:
Issue date:
DOI: https://doi.org/10.1038/s41588-025-02228-9