Journal
TISSUE ANTIGENS
Volume 85, Issue 1, Pages 20-28Publisher
WILEY
DOI: 10.1111/tan.12477
Keywords
allelic level; cost effective; genotyping; high throughput; human leukocyte antigen; next generation sequencing
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Next generation sequencing (NGS)-based human leukocyte antigen (HLA) typing was used for ultra large-scale genotyping of registry donors for the China Marrow Donor Program (CMDP). More than 79,000 samples were subjected to HLA genotyping at 4-digit allelic level without ambiguities for HLA-A, -B, -C, DRB1 and DQB1 loci, with throughput up to 2068 samples per lane in a HiSeq flow cell (eight lanes per run), and cost reduced by 95% compared with that of Sanger-based typing. Two percent of randomly selected samples were quality control (QC) tested at 4-digit allelic level by the CMDP QC laboratory, yielded a concordance of 99.72%. These results demonstrate that NGS is a cost effective and valuable tool for HLA typing of registry donors.
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