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Tissue Antigens. 1996 Nov;48(5):562-74.

HLA gene and haplotype frequencies in Dutch blood donors.

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


We analyzed the HLA-A, -B, -C, -DR and -DQ phenotypes of 2,440 healthy, unrelated, Dutch Caucasoid blood donors and of 20,814 Dutch blood donors who were registered as volunteer bone marrow or platelet donors. Phenotype and gene frequencies, Hardy-Weinberg equilibrium fit and homozygosity were calculated as well as 2- and 3-locus haplotype frequencies, deltas, relative deltas and significance levels of the deltas. The population appears to be in Hardy-Weinberg equilibrium. Many haplotypes are in strong positive linkage disequilibrium. A phylogenetic tree, based on the HLA-A, -B and -DR gene frequencies of blood donors in different Dutch regions, reflects the limited but manifest heterogeneity of the Dutch population. Additionally we introduce a stepwise test for Hardy-Weinberg equilibrium and discuss the applicability of this test and of the single test for Hardy-Weinberg equilibrium for tissue typing quality control and for selection of split antigens prior to gene and haplotype frequency analyses.

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