Abstract

HLA-DQB1, -DQA1, -DPB1, and -DPA1 genotyping and haplotype frequencies have been calculated from 1064 southern Chinese unrelated donors in a Hong Kong Bone Marrow Donor Registry. This is the first paper to report the distribution of DQB1-DQA1 and DPB1-DPA1 alleles in Hong Kong Chinese. Due to the Hardy-Weinberg equilibrium proportions (HWEP) deviation in DPB1 loci, this information may be of limited use for phylogenetic, comparative studies but will be useful for the permissible matching in HLA-DPB1 for Chinese patients awaiting haematopoietic stem cell transplantation in the near future due to the new recommendation of NMDP matching guidelines. The allele and haplotype data are available in the Allele Frequencies Net Database under the population name ‘‘Hong Kong Chinese HKBMDR, DQ and DP’’ and the identifier (AFND3667).

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