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We have developed a single DNA typing method which uses 144 sequence-specific primer (SSP) reactions to simultaneously detect all known HLA-A, B, C, DRB1, DRB3, DRB4, DRB5 and DQB1 specificities in an allele specific or group specific manner using the same method, reagents, PCR parameters and protocols for all loci. The results from this integrated class I deviations from the standard protocol, poor quality DNA and unsuitable PCR machines can result in individual PCR failures or in incorrect assignment of antigens. Approximately 5% of genotypes were repeated (either partially or fully) because of incomplete or equivocal results.
Bunce et al. (Wed,) studied this question.