Lichen planopilaris is associated with HLA DRB1*11 and DQB1*03 alleles

Lev Pavlovsky, Moshe Israeli, Eti Sagy, Amy L. Berg, Michael David, Avner Shemer, Tirza Klein, Emmilia Hodak*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

19 Scopus citations

Abstract

There are no studies of the possible association of the human leukocyte antigen (HLA) system with lichen planopilaris (LPP). To determine whether the HLA system is associated with LPP, 40 consecutive Jewish Israeli patients with LPP (study group) and 252 volunteers (controls) were typed for DRB1*and DQB1* loci by molecular methods. Compared with controls, the study group had a significantly higher frequency of the DRB1*11 allele (62% vs. 21%, corrected p-value (pc) = 0.001) owing to increased frequencies of DRB1*11: 01 and DRB1*11: 04. The DQB1*03 allele was also expressed at a significantly higher frequency in the study group (70% vs. 33%, pc = 0.0005); specifically, the frequency of DQB1*03: 01 was increased. The majority (82.5%) of the patients were of non-Ashkenazi origin. We conclude that LPP appears to be over-represented in non-Ashkenazi Jewish patients and is associated with an increased frequency of HLA DRB1*11 and DQB1*03 alleles. These findings suggest that immunogenetic factors play a role in LPP.

Original languageEnglish
Pages (from-to)177-180
Number of pages4
JournalActa Dermato-Venereologica
Volume95
Issue number2
DOIs
StatePublished - 2015

Keywords

  • Alopecia
  • Ethnicity
  • Lichen planopilaris
  • Major histocompatibility complex

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