HLA CLASS-II SPECIFICITIES AND HAPLOTYPES IN SOUTH-AFRICA DETECTED USING POLYMERASE CHAIN-REACTION AND SEQUENCE-SPECIFIC OLIGONUCLEOTIDE TYPING

被引:4
作者
MARTELL, RW
ARENDSE, B
JACOBS, M
DUTOIT, ED
机构
[1] Provincial Laboratory for Tissue Immunology, Cape Town
来源
TISSUE ANTIGENS | 1991年 / 38卷 / 02期
关键词
MAJOR HISTOCOMPATIBILITY COMPLEX; HISTOCOMPATIBILITY ANTIGENS; HLA;
D O I
10.1111/j.1399-0039.1991.tb01887.x
中图分类号
Q2 [细胞生物学];
学科分类号
071009 ; 090102 ;
摘要
DNA sequencing of HLA class II alleles has revealed a degree of polymorphism much greater than was expected on the basis of the standard serological typing methods. Amplification of the polymorphic second exon of the class II genes using the polymerase chain reaction, followed by hybridization with sequence-specific oligonucleotide probes, allows the unambiguous identification of alleles which could not be detected previously. Using the protocols of the Eleventh International Histocompatibility Workshop, we have applied this procedure for the typing of several individuals and their families with suspected alleles that had been observed using serology, cellular typing and restriction fragment length polymorphism (RFLPs). These included an allele related to DRw8 and DRwl4, which has only been observed in the mixed ancestral South African population. In addition, unusual combinations of class II genes forming unique haplotypic associations were seen.
引用
收藏
页码:95 / 98
页数:4
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