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DNA 수준에서 한국인 HLA-Class Ⅰ 대립유전자형 및 일배체형 분포 : the Molecular Basis
최희백,김형재,김태규,김창규,정태준,한훈 대한조혈모세포이식학회 1997 대한조혈모세포이식학회지 Vol.2 No.1
The products of the human leukocyte antigen (HLA) have been detected by the serological or cellular methods. With the evailability of DNA sequences for alleles of the HLA system, and with the development of molecular biological techniques it has been possible to define the genotypes in HLA genes. And the amplification of DNA using sequence-specific primers has been proved as a reliable and rapid method for typing of HLA class II genes. We studied the distribution of the HLA-A, -B, C genotypes on 114 unrelated individuals by amplification refractory mutation system-polymerase chain reaction (ARMs-PCR). 13, 24 and 14 alleles in HLA-A, B and C genes were detected in normal Korean. The genotypes showing frequencies more than 18 percent were A*02(65.8%), A*24(02, 03) (41.2%), A*33(01, 02) (21.1%), A*11(01, 02) (20.2%), B*15(01, 02, 03, 04, 05)/B52(011, 012) (21.9%), B815(01, 04, 05, 06, 07, 12, 19, 20) (19.3%), B*40(02, 04, 05, 06) (18.4%), Cw*08(01, 02, 03) (28.9%), Cw*0303(27.2%), Cw*0304(26.3%) and Cw*01(01, 02) (24.6%). And most common 2-loci hyplotypes with frequencies larger than 0.04 were A*02-B*15(02, 08, 11, 15) (HF: 0.045), A*24(02, 03)-B*51(01, 02, 03, 04, 05)/*52(011, 012)(HF:0.044), B*51(01, 02, 03, 04, 05)/*52 (011, 012)-Cw14(01, 02) (HF: 0.069). These results suggest that the DNA typing of HLA class I may be an efficient typing method compared with the conventional method.