期刊
HUMAN IMMUNOLOGY
卷 73, 期 1, 页码 80-92出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.humimm.2011.10.013
关键词
South African population; HLA class I (A, B,C) and class II (DRB1) alleles; Haplotypes; Allotypes; Supertypes
类别
资金
- South African AIDS Vaccine Initiative (SAAVI)
- National Institute for Communicable Diseases/National Health Laboratory Services
A cross-section of black and Caucasian South Africans (N = 302) were genotyped at high resolution (class I HLA-A, -B, -C and class II HLA-DRB1). Five new class I alleles (A*30:01:02, A 30:02:02, A*68:27, B*42:06, and B*45:07) and one new confirmatory allele (A*29:11) were identified in the black population. Alleles and haplotypes showed expected differences between the black and Caucasian populations, with the black population, on average, showing a broader spectrum of allele representation (less single allele dominance). The most prevalent alleles at the four loci in the black population were A*30:01, B*58:02, C*06:02, and DRB1*13:01 and in the Caucasian population were A*02:01:01, B*07:02:01, C*07:01, and DRB1*03:01. HLA-B, and HLA-C loci showed the strongest overall linkage disequilibrium (LD) and HLA-B/HLA-C two locus haplotypes also showed the strongest LD (D'(ij)) in both population groups. Bw allotype representation was similar between the two populations; however C allotypes differed significantly (Cl higher representation in Caucasians; C2 higher representation in blacks). HLA-A Supertype family phenotypic frequencies did not differ between the two populations, but four (B08, B27, 858, and B62) HLA-B Supertype families differed significantly. However, vaccine coverage estimation came close to 100% in both population groups, with inclusion of only four Supertype families (Al, A2, B7, B58). (C) 2012 American Society for Histocompatibility and Immunogenetics. Published by Elsevier Inc. All rights reserved.
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