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Hum Immunol. 1993 May;37(1):59-67.

Biotinylated DRB sequence-specific oligonucleotides. Comparison to serologic HLA-DR typing of organ donors in eurotransplant.

Author information

  • 1Department of Immunohematology, Leiden University Hospital, The Netherlands.

Abstract

A novel HLA-DR typing method was applied using PCR-amplified fragments and biotin-labeled oligonucleotides (PCR-biotin-SSO). The PCR-biotin-SSO method can be used efficiently to perform HLA-DR typing for a large number of individuals when time is not the limiting factor. The reliability of HLA typing of cadaveric organ donors is of vital importance for organ exchange organizations such as ET. Due to lack of time, these typings are usually performed by the complement-dependent cytotoxicity. The individual donor center typings are immediately reported to ET, where the recipient selection procedure is started. DNA isolated from donor spleen material, sent to the ETRL for retyping purposes, was subjected to PCR-biotin-SSO typing. The results were compared with the serological HLA-DR typings as reported to ET. The analysis of 1052 donor samples for the broad DR1-DR10 antigens revealed a concordance rate of over 90% between the donor center and the ETRL. The majority of the discrepancies involved specificities of the HLA-DR5, DR6, and DR8 cross-reacting group, with DR6 as the predominant discordant specificity. The results indicate (a) that PCR-biotin-SSO is a reliable technique for DNA-based HLA-DR typing and (b) that HLA-DR serology is still a useful technique when time is limited, such as for cadaveric donor typing.

PMID:
8376188
[PubMed - indexed for MEDLINE]
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