Activating killer cell immunoglobulin-like receptor gene KIR2DS1 is associated with psoriatic arthritis

Fionnuala Williams, Ashley Meenagh, Carole Sleator, Daniel Cook, Marcelo Fernandez-Vina, Anne M. Bowcock, Derek Middleton

Research output: Contribution to journalArticlepeer-review

85 Scopus citations

Abstract

Killer cell immunoglobulin-like receptor genotyping was performed on a cohort of American Caucasian patients with psoriasis to investigate any possible relationship between these chromosome 19 genes and autoimmune-linked disease. This patient cohort also contained a subgroup of patients who had been additionally diagnosed as positive for psoriatic arthritis (PsA). Because of the known association of human leucocyte antigen (HLA)-Cw*06 with psoriasis, the study concentrated on the five KIR genes that have HLA-C as their recognized ligand (i.e., KIR2DL1, -2DL2, -2DL3, -2DS1, and -2DS2). An increase in the frequency of the activating KIR2DS1 gene was detected in the PsA patients, compared with psoriasis patients negative for PsA and an unaffected American Caucasian control group.

Original languageEnglish
Pages (from-to)836-841
Number of pages6
JournalHuman Immunology
Volume66
Issue number7
DOIs
StatePublished - Jul 2005
Externally publishedYes

Keywords

  • Autoimmune disease
  • KIR2DS1
  • Psoriasis
  • Psoriatic arthritis

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