ArticleScience advances2025
Donor HLA-DQ genetic and functional divergence affect the control of BK polyoma virus infection after kidney transplantation.
Article in Science advances, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed.
- Case Report: Late-onset BK polyomavirus-associated nephropathy in kidney transplant recipients: two cases and insights into underlying mechanisms.Frontiers in medicine · 2026Review
- "Innovative diagnostics and treatments of infections in transplantation," report from the 2025Transplant international : official journal of the European Society for Organ Transplantation · 2026Article
- Article
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- BK Virus-Specific T Cell Response Associated with HLA Genotypes, RhD Status, and CMV or EBV Serostatus in Healthy Donors for Optimized Cell Therapy.Journal of clinical immunology · 2025Article
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Authors and funding
14 authors.
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No grant is acknowledged in the PubMed record.
Abstract
BK polyomavirus (BKPyV) infection remains a major concern after kidney transplantation, increasing the risk of graft loss in the absence of specific antiviral agent now available. Here, we investigated the impact of HLA diversity on the control of posttransplant BKPyV replication. High HLA evolutionary divergence (HED) at the DQ locus in the donor was an independent predictor of BKPyV-free outcome. More generally, we highlighted the protective effect of highly divergent pairs of HLA-DQ heterodimers corresponding to heterozygous HLA-DQα01/non-DQα01 combinations. We then defined a functional divergence metrics assessed by the similarity of peptide-binding motifs between pairs of HLA-DQ molecules. Greater functional divergence correlated with the size of the BKPyV-derived DQ-bound immunopeptidome and a lower risk of BKPyV reactivation, thus providing a molecular basis for the observed genetic differences. Together, these data provide evidence for a direct link between donor HLA-DQ genetic and functional divergence, diversity of the DQ-bound immunopeptidome, and control of viral infection, likely reflecting stronger antiviral T cell responses.
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