Oligonucleotide-genotyping as a method of detecting the HLA-DR2(DRw15)-Dw2,-DR2 (DRw15)-Dw12,-DR4-Dw15, and-DR4-D«KT2» haplotypes in the Japanese population
1989
We synthesized pairs of four different oligonucleotides, F22, F29, F42, and F158, to analyse the HLA-DR2 (DRw15) and -DR4 haplotypes in the Japanese population. After enzymatically amplifying the HLA-DRB1 gene, we hybridized the oligonucleotide probes with DNA extracted from 42 donors. Hybridization was completed between F22 and the DNA of haplotype DR2 (DRw15)-Dw2, between F29 and the DNA of DR2 (DRw15)-Dw12, between F42 and the DNA of DR4-D“KT2”, and between F158 and the DNA of DR4-Dw15. In keeping with the nucleotide sequences of the probes, F29 hybridized also with DNA from the DR9-Dw23 haplotype and F158 with that from some of the DRw8 haplotypes (DRw8-Dw8.3) in the Japanese population. Results of this study demonstrate that the four oligonucleotides make useful probes for detecting the haplotypes above.
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