Influence of HLA-DRB1 alleles on the susceptibility and resistance to multiple sclerosis in Japanese patients with respect to anti-aquaporin 4 antibody status

N. Isobe, T. Matsushita, R. Yamasaki, S. V. Ramagopalan, Y. Kawano, Y. Nishimura, G. C. Ebers, J. Kira

研究成果: ジャーナルへの寄稿記事

22 引用 (Scopus)

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Background: Epistatic interactions between human leukocyte antigen (HLA)-DRB1 alleles alter multiple sclerosis (MS) risk in Caucasians. Such interactions have never been studied in Asian MS patients. Objective: To investigate the influence of HLA-DRB1 alleles, including epistatic interactions at this locus, in Japanese MS patients with and without the anti-aquaporin 4 (AQP4) antibody. Methods: The HLA-DRB1 locus was genotyped in 108 MS patients and 127 healthy controls. MS patients were further classified into two groups according to anti-AQP4 antibody status (27 positive and 81 negative). Results: HLA-DRB1*09 (adjusted odds ratio (OR) = 0.243, 95% confidence interval (CI) 0.099-0.533) and HLA-DRB1*01 (adjusted OR = 0.327, 95% CI 0.103-0.873) decreased the incidence of anti-AQP4 antibody-negative MS. By contrast, HLA-DRB1*12 increased the risk of anti-AQP4 antibody-positive MS (adjusted OR = 3.691, 95% CI 1.233-10.565). Individuals with HLA-DRB1*09/15 decreased the risk of anti-AQP4 antibody-negative MS (adjusted OR = 0.164, 95% CI 0.026-0.593), while those with HLA-DRB1*12/15 increased the risk of anti-AQP4 antibody-positive MS (adjusted OR = 10.870, 95% CI 2.004-81.752). Conclusions: The ability of HLA-DRB1*09 to reduce the risk of anti-AQP4 antibody-negative MS may arise from an interaction with HLA-DRB1*15. By contrast, HLA-DRB1*12 increases susceptibility to anti-AQP4 antibody-positive MS, possibly via an interaction with HLA-DRB1*15.

元の言語英語
ページ(範囲)147-155
ページ数9
ジャーナルMultiple Sclerosis
16
発行部数2
DOI
出版物ステータス出版済み - 2 1 2010

All Science Journal Classification (ASJC) codes

  • Neurology
  • Clinical Neurology

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