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Deletion of late cornified envelope genes, LCE3C_LCE3B-del, is not associated with psoriatic arthritis in Tunisian patients.

Authors
  • Chiraz, Bouchlaka Souissi
  • Myriam, Ammar
  • Ines, Zarra
  • Catherine, Jordan
  • Fatma, Bouazizi
  • Ilhem, Cheour
  • Raoudha, Tekaya
  • Hela, Zeglaoui
  • Hela, Fourati
  • Elyes, Bouajina
  • Nejib, Doss
  • Cindy, Helms
  • Amel, Elgaaied
  • Slaheddine, Sellami
Type
Published Article
Journal
Molecular Biology Reports
Publisher
Springer-Verlag
Publication Date
Jun 01, 2014
Volume
41
Issue
6
Pages
4141–4146
Identifiers
DOI: 10.1007/s11033-014-3285-4
PMID: 24566688
Source
Medline
License
Unknown

Abstract

A deletion of two genes from the late cornified envelope (LCE), LCE3B and LCE3C within epidermal differentiation complex on chromosome 1 was shown to be associated with both psoriasis and psoriatic arthritis (PsA) in several populations. To assess whether this deletion may contribute to the genetic predisposition to PsA in Tunisia, a total of 73 patients with PsA and 120 healthy matched controls were screened for the deletion, LCE3C_LCE3B-del, and its tag SNP, rs4112788. We also evaluated a possible relationship between PSORS1 and LCE3C_LCE3B-del through genotyping two proxy markers to HLA-C (rs12191877 and rs2073048). Our results did not provide evidence for association between the LCE3C_LCE3B-del nor the rs4112788 and the PsA. Similarly, no significant epistatic effect was observed. Our data suggest that The LCE deletion, previously identified in patients with psoriasis, is not of a major importance in the development of PsA in Tunisian patients supporting the current perception that different genetic risk factors contribute to skin and joint disease. However, these results need to be confirmed by additional large-scale studies of Tunisian PsA patients and controls.

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