A predominant role for the HLA class II region in the association of the MHC region with multiple sclerosis.

Genetic susceptibility to multiple sclerosis is associated with genes of the major histocompatibility complex (MHC), particularly HLA-DRB1 and HLA-DQB1 (ref. 1). Both locus and allelic heterogeneity have been reported in this genomic region. To clarify whether HLA-DRB1 itself, nearby genes in the re...

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Main Authors: Lincoln, MR, Montpetit, A, Cader, M, Saarela, J, Dyment, D, Tiislar, M, Ferretti, V, Tienari, P, Sadovnick, A, Peltonen, L, Ebers, G, Hudson, T
Format: Journal article
Language:English
Published: 2005
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author Lincoln, MR
Montpetit, A
Cader, M
Saarela, J
Dyment, D
Tiislar, M
Ferretti, V
Tienari, P
Sadovnick, A
Peltonen, L
Ebers, G
Hudson, T
author_facet Lincoln, MR
Montpetit, A
Cader, M
Saarela, J
Dyment, D
Tiislar, M
Ferretti, V
Tienari, P
Sadovnick, A
Peltonen, L
Ebers, G
Hudson, T
author_sort Lincoln, MR
collection OXFORD
description Genetic susceptibility to multiple sclerosis is associated with genes of the major histocompatibility complex (MHC), particularly HLA-DRB1 and HLA-DQB1 (ref. 1). Both locus and allelic heterogeneity have been reported in this genomic region. To clarify whether HLA-DRB1 itself, nearby genes in the region encoding the MHC or combinations of these loci underlie susceptibility to multiple sclerosis, we genotyped 1,185 Canadian and Finnish families with multiple sclerosis (n = 4,203 individuals) with a high-density SNP panel spanning the genes encoding the MHC and flanking genomic regions. Strong associations in Canadian and Finnish samples were observed with blocks in the HLA class II genomic region (P < 4.9 x 10(-13) and P < 2.0 x 10(-16), respectively), but the strongest association was with HLA-DRB1 (P < 4.4 x 10(-17)). Conditioning on either HLA-DRB1 or the most significant HLA class II haplotype block found no additional block or SNP association independent of the HLA class II genomic region. This study therefore indicates that MHC-associated susceptibility to multiple sclerosis is determined by HLA class II alleles, their interactions and closely neighboring variants.
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spelling oxford-uuid:35c0f35d-c8a2-4dbd-a81c-a7bd9a123cfc2022-03-26T13:33:54ZA predominant role for the HLA class II region in the association of the MHC region with multiple sclerosis.Journal articlehttp://purl.org/coar/resource_type/c_dcae04bcuuid:35c0f35d-c8a2-4dbd-a81c-a7bd9a123cfcEnglishSymplectic Elements at Oxford2005Lincoln, MRMontpetit, ACader, MSaarela, JDyment, DTiislar, MFerretti, VTienari, PSadovnick, APeltonen, LEbers, GHudson, TGenetic susceptibility to multiple sclerosis is associated with genes of the major histocompatibility complex (MHC), particularly HLA-DRB1 and HLA-DQB1 (ref. 1). Both locus and allelic heterogeneity have been reported in this genomic region. To clarify whether HLA-DRB1 itself, nearby genes in the region encoding the MHC or combinations of these loci underlie susceptibility to multiple sclerosis, we genotyped 1,185 Canadian and Finnish families with multiple sclerosis (n = 4,203 individuals) with a high-density SNP panel spanning the genes encoding the MHC and flanking genomic regions. Strong associations in Canadian and Finnish samples were observed with blocks in the HLA class II genomic region (P < 4.9 x 10(-13) and P < 2.0 x 10(-16), respectively), but the strongest association was with HLA-DRB1 (P < 4.4 x 10(-17)). Conditioning on either HLA-DRB1 or the most significant HLA class II haplotype block found no additional block or SNP association independent of the HLA class II genomic region. This study therefore indicates that MHC-associated susceptibility to multiple sclerosis is determined by HLA class II alleles, their interactions and closely neighboring variants.
spellingShingle Lincoln, MR
Montpetit, A
Cader, M
Saarela, J
Dyment, D
Tiislar, M
Ferretti, V
Tienari, P
Sadovnick, A
Peltonen, L
Ebers, G
Hudson, T
A predominant role for the HLA class II region in the association of the MHC region with multiple sclerosis.
title A predominant role for the HLA class II region in the association of the MHC region with multiple sclerosis.
title_full A predominant role for the HLA class II region in the association of the MHC region with multiple sclerosis.
title_fullStr A predominant role for the HLA class II region in the association of the MHC region with multiple sclerosis.
title_full_unstemmed A predominant role for the HLA class II region in the association of the MHC region with multiple sclerosis.
title_short A predominant role for the HLA class II region in the association of the MHC region with multiple sclerosis.
title_sort predominant role for the hla class ii region in the association of the mhc region with multiple sclerosis
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