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HLA-DRB1*03:01 and HLA-DRB1*04:01 modify the presentation and outcome in autoimmune hepatitis type-1

  • N. M. F. van Gerven
  • , Y. S. de Boer
  • , A. Zwiers
  • , B. J. Verwer
  • , J. P. H. Drenth
  • , B. van Hoek
  • , K. J. van Erpecum
  • , U. Beuers
  • , H. R. van Buuren
  • , J. W. den Ouden
  • , R. C. Verdonk
  • , G. H. Koek
  • , J. T. Brouwer
  • , M. M. J. Guichelaar
  • , J. M. Vrolijk
  • , M. J. Coenraad
  • , G. Kraal
  • , C. J. J. Mulder
  • , C. M. J. van Nieuwkerk
  • , E. Bloemena
  • H. W. Verspaget, V. Kumar, A. Zhernakova, C. Wijmenga, L. Franke, G. Bouma, AUTHOR GROUP

Research output: Contribution to journalArticleAcademicpeer-review

Abstract

The classical human leukocyte antigen (HLA)-DRB1*03:01 and HLA-DRB1*04:01 alleles are established autoimmune hepatitis (AIH) risk alleles. To study the immune-modifying effect of these alleles, we imputed the genotypes from genome-wide association data in 649 Dutch AIH type-1 patients. We therefore compared the international AIH group (IAIHG) diagnostic scores as well as the underlying clinical characteristics between patients positive and negative for these HLA alleles. Seventy-five percent of the AIH patients were HLA-DRB1*03:01/HLA-DRB1*04:01 positive. HLA-DRB1*03:01/HLA-DRB1*04:01-positive patients had a higher median IAIHG score than HLA-DRB1*03:01/HLA-DRB1*04:01-negative patients (P <0.001). We did not observe associations between HLA alleles and alanine transaminase levels (HLA-DRB1*03:01: P=0.2; HLA-DRB1*04:01; P=0.5); however, HLA-DRB1*03:01 was independently associated with higher immunoglobulin G levels (P=0.04). The HLA-DRB1*04:01 allele was independently associated with presentation at older age (P=0.03) and a female predominance (P=0.04). HLA-DRB1*03:01-positive patients received immunosuppressive medication and liver transplantation. In conclusion, the HLA-DRB1*03:01 and HLA-DRB1*04:01 alleles are both independently associated with the aggregate diagnostic IAIHG score in type-1 AIH patients, but are not essential for AIH development. HLA-DRB1*03:01 is the strongest genetic modifier of disease severity in AIH
Original languageEnglish
Pages (from-to)247-252
JournalGenes and immunity
Volume16
Issue number4
DOIs
Publication statusPublished - 2015

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 3 - Good Health and Well-being
    SDG 3 Good Health and Well-being

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