A multicenter international evaluation of single-tube amplification protocols for sequencing-based typing of HLA-DRB1 and HLA-DRB3, 4, 5

D.C. Sayer, R. Whidborne, D. De Santis, E.H. Rozemuller, Frank Christiansen, M.G. Tilanus

Research output: Contribution to journalArticle

40 Citations (Scopus)

Abstract

We have described previously a novel single-tube polymerase chain reaction (PCR) amplification (STAmp) protocol for the efficient sequencing-based typing (SBT) of human leukocyte antigen (HLA)-DRB1. The PCR amplification mix includes primers to each of seven allele group-sequence motifs. We have applied this principle to the simultaneous SBT of HLA-DRB3, -DRB4, and -DRB5 using locus specific primers. We report here a multicenter international evaluation of the STAmp, protocols performed as a component of the 13th International Histocompatibility Workshop. Identical amplification primer mixes, sequencing primers, and DNA were sent to participating laboratories. The primer mixes contained the amplification primers and the PCR buffer. Each laboratory was requested to amplify the DNA with the pruner mixes and perform SBT on the resulting PCR protocols, using their own protocols, and return the typing results for analysis. The reported results indicated that the expected sequence could be obtained with a variety of PCR amplification and sequencing platforms and protocols. There were difficulties but these seemed unrelated to STAmp reagents and suggest that optimal SBT results can be obtained if bi-directional sequencing is performed and software is used for sequence verification and editing. This indicates that SBT by STAmp can be applied in many laboratories for high-throughput HLA-DRB1 and BLA-DRB3,4,5 SBT.
Original languageEnglish
Pages (from-to)412-423
JournalTissue Antigens
Volume63
Issue number5
DOIs
Publication statusPublished - 2004

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