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The distribution of polymorphic Alu insertions within the MHC class I HLA-B7 and HLA-B57 haplotypes
Journal article   Peer reviewed

The distribution of polymorphic Alu insertions within the MHC class I HLA-B7 and HLA-B57 haplotypes

D.S. Dunn, B.D. Tait and J.K. Kulski
Immunogenetics, Vol.56(10), pp.765-768
2005
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Abstract

There are five polymorphic Alu insertion (POALIN) loci within the major histocompatibility complex (MHC) class I region that have been strongly associated with HLA class I alleles, such as HLA-A1, HLA-A2 and HLA-B57. In order to assess the variability and frequency of POALIN distribution within two common HLA-B haplotypes, we detected the presence of the MHC class I POALIN by PCR in a panel of 15 individuals with HLA-B57 and 47 homozygous individuals with 7.1 AH (HLA-B7, -Cw7, -A3) obtained from the Australian Bone Marrow Donor Registry, and also from four families (25 individuals) containing the HLA-B57 allele. Only two of the 47 HLA-B7 genotypes had a detectable POALIN, whereas all of the HLA-B57 genotypes had at least one or more POALINs present, confirming that certain MHC class I haplotypes are relatively POALIN-free and others are POALIN-enriched. Six distinct HLA-B57 haplotypes, based on differences at the HLA-A locus and three of five POALIN loci, were identified that appear to have evolved by different mechanisms, including either by shuffling different combinations of conserved alpha and beta blocks or by recombination events involving two or more previously generated HLA-B57 haplotypes.

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Collaboration types
Domestic collaboration
International collaboration
Citation topics
1 Clinical & Life Sciences
1.6 Immunology
1.6.607 MHC Diversity
Web Of Science research areas
Genetics & Heredity
Immunology
ESI research areas
Immunology
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