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KMID : 1101320080400020094
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Korean Journal of Clinical Laboratory Science
2008 Volume.40 No. 2 p.94 ~ p.97
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Genotyping of HLA-A by Polymerase Chain Reaction-Sequence Specific Primer
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Jang Soon-Mo
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Abstract
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The human leukocyte antigen (HLA) is the name of the major histocompatibility complex (MCH) in humans. The superlocus contains a large number of genes related to immune system function in humans. This group of genes resides on chromosome 6. and encode cell surface antigen-presenting proteins and many other genes. HLA class I antigen (A, B & C) present peptides from inside the cell. These peptides are produced from digested proteins that are broken down in the lysozymes. Most expressed HLA loci exhibit a remarkable degree of allelic polymorphism, which derives from sequence differences predominantly localized to discrete hypervariable regions of the amino terminal domain of the molecule. In this sutdy, the HLA-A genotypes were determined in twenty students unrelated koreans using the PCR-SSP (Polymerase Chain Reaction-Sequence Specific Primer) technique. Several specific primer pairs in assigning the HLA-A gene were used (A*0201, A*33, A*2401). The results of PCR-SSP, the HLA-A*0201 primer was detected eleven (55%), the HLA-A*33 were detected seven (35%) and the HLA-A*2401 were detected seven (35%). This study shows that the PCR-SSP technique is relatively simple, fast and a practical tool for the determination of the HLA-A genotypes.
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KEYWORD
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HLA-A, PCR-SSCP, Genotyping
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