Cited by 418Multiple Sclerosis Research StudiesGenetic Associations and EpidemiologyPsoriasis: Treatment and Pathogenesis

Class II HLA interactions modulate genetic risk for multiple sclerosis

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the International Multiple Sclerosis Genetics Consortium·2015·Nature Genetics

Abstract

Association studies have greatly refined the understanding of how variation within the human leukocyte antigen (HLA) genes influences risk of multiple sclerosis. However, the extent to which major effects are modulated by interactions is poorly characterized. We analyzed high-density SNP data on 17,465 cases and 30,385 controls from 11 cohorts of European ancestry, in combination with imputation of classical HLA alleles, to build a high-resolution map of HLA genetic risk and assess the evidence for interactions involving classical HLA alleles. Among new and previously identified class II risk alleles (HLA-DRB1*15:01, HLA-DRB1*13:03, HLA-DRB1*03:01, HLA-DRB1*08:01 and HLA-DQB1*03:02) and class I protective alleles (HLA-A*02:01, HLA-B*44:02, HLA-B*38:01 and HLA-B*55:01), we find evidence for two interactions involving pairs of class II alleles: HLA-DQA1*01:01-HLA-DRB1*15:01 and HLA-DQB1*03:01-HLA-DQB1*03:02. We find no evidence for interactions between classical HLA alleles and non-HLA risk-associated variants and estimate a minimal effect of polygenic epistasis in modulating major risk alleles.

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  • Several variants outside the classical regions of the MHC, both class I and class II, were shown to be independently associated, suggesting biological functions beyond antigen display underlie the MHC risk effects.

    “Several variants outside the classical regions of the MHC (both class I and class II) were also shown to be independently associated, suggesting biological functions beyond antigen display underlie the MHC risk effects.”

    From Genome‐wide association studies of multiple sclerosis (2018) · cites this paper as [50]

    The Results section, “A high-resolution map of HLA risk for multiple sclerosis” (page unavailable), reports associated variants near HLA-DPB1 and in LTA, supporting part of the claim about variants beyond classical HLA alleles. It does not establish independently associated nonclassical variants in both class I and class II regions. The Discussion (page unavailable) says the disease mechanisms require functional study, rather than concluding that functions beyond antigen display underlie the risk effects. (LLM, conf=0.84)

    Experimental — accuracy not yet measured
  • The nature of the interaction may be more complicated than expected, with multiple different amino acid-level alleles demonstrating consistent interaction with HLA-DRB1*15:01, in addition to the HLA-DQA1*01:01 allele.

    “However, the nature of the interaction may be more complicated than expected, with multiple different amino acid‐level alleles demonstrating consistent interaction with HLA‐DRB1*15:01, in addition to the HLA‐DQA1*01:01 allele.”

    From Genome‐wide association studies of multiple sclerosis (2018) · cites this paper as [50]

    The Results section, “Interactions among classical HLA alleles” (page not available), reports an interaction involving HLA-DRB1*15:01 and HLA-DQA1*01:01. It says the same interaction can alternatively be explained by HLA-DQB1 alleles encoding glycine at position 70. It does not establish multiple distinct amino-acid-level interactions in addition to the HLA-DQA1*01:01 interaction. (LLM, conf=0.87)

    Experimental — accuracy not yet measured

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Cites

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Research works printed but not linked: 29

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Authors
the International Multiple Sclerosis Genetics Consortium
Venue
Nature Genetics
Published
2015-09-07
Volume
47
Issue
10
Pages
1107-1113
ISSN
  • 1061-4036 (ISSN-L)
  • 1546-1718
OpenAlex
W2239518951
Cited by
418
References
6
Citations by year
2026: 29 · 2025: 33 · 2024: 46 · 2023: 32 · 2022: 40 · 2021: 42 · 2020: 54 · 2019: 42 · 2018: 46 · 2017: 32 · 2016: 19 · 2015: 2
FWCI
26.21
Type
journal article
Language
en
Open access
Locations
  • Nature Genetics (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
  • eCite Digital Repository (University of Tasmania) (submittedVersion)
  • eScholarship (California Digital Library) (submittedVersion)
  • Figshare (submittedVersion, cc-by)
  • Lirias (KU Leuven) (submittedVersion)
  • mediaTUM – the media and publications repository of the Technical University Munich (Technical University Munich) (submittedVersion)
  • Research at the University of Copenhagen (University of Copenhagen) (submittedVersion)
  • PuSH - Publication Server of Helmholtz Zentrum München (submittedVersion)
Funders
  • Wellcome Trust (085475/Z/08/Z, 084702/Z/08/Z, 068545/Z/02), 100956, 085475/B/08/Z, 098051)
  • National Institute of General Medical Sciences (RC2GM093080)
  • National Institute of Neurological Disorders and Stroke (NS26799, RC2NS070340, R25NS070680, NS049477, R01NS032830, R01NS026799, R01NS067305, R01NS049477)
  • National Center for Research Resources (UL1RR024975)
Topics
  • Health Sciences › Medicine › Pathology and Forensic Medicine › Multiple Sclerosis Research Studies
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetic Associations and Epidemiology
  • Life Sciences › Immunology and Microbiology › Immunology › Psoriasis: Treatment and Pathogenesis
Keywords
multiple sclerosis, genetic risk, epistasis, gene-gene interaction, HLA-DRB1*1501, HLA-DQB1*0301, polygenic risk, HLA-A*0201, European ancestry
MeSH terms
Alleles, Histocompatibility Antigens Class II, Epistasis, Genetic, Humans, Multiple Sclerosis, Genetic Predisposition to Disease, Polymorphism, Single Nucleotide

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