作者: Bianca Schöne , Sabine Bergmann , Kathrin Lang , Ines Wagner , Alexander H. Schmidt
DOI: 10.1016/J.HUMIMM.2017.11.001
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摘要: The risk of acute graft-versus-host disease (GvHD) after hematopoietic stem cell transplantation is increased with donor-recipient HLA-DPB1 allele mismatching. single-nucleotide polymorphism (SNP) rs9277534 within the 3' untranslated region (UTR) correlates allotype expression and serves as a marker for permissive mismatches. Since not routinely typed, we analyzed 32,681 samples mostly European ancestry to investigate if can be reliably imputed from standard DPB1 genotyping. We confirmed previously-defined linkages between 18 alleles established additional 46 alleles. Based on these linkages, could predicted 99.6% based genotypes (99.99% concordance). demonstrate that 100% prediction accuracy achieved utilized exon 3 sequence information. genotyping 2 data alone allows no unambiguous but was estimated maintain 99% descent. conclude sufficient infer high accuracy. This information used select donors mismatches without directly screening rs9277534.