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Association of KIR2DL5, KIR2DS5, and KIR2DS1 allelic variation and atopic dermatitis
Journal article   Open access   Peer reviewed

Association of KIR2DL5, KIR2DS5, and KIR2DS1 allelic variation and atopic dermatitis

David J Margolis, Nandita Mitra, Ole J Hoffstad, Ronald Berna, Brian S Kim, Abha Chopra and Elizabeth J Phillips
Scientific reports, Vol.13(1), 1730
2023
PMID: 36720995
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Open Access

Abstract

Alleles Case-Control Studies Dermatitis, Atopic - genetics Genes, MHC Class I Humans Ligands Receptors, KIR - genetics Receptors, KIR2DL5 - genetics
Natural killer cells (NK) have been associated with the pathophysiology of atopic dermatitis (AD). NK function is regulated by killer cell Ig-like receptor family (KIR) receptors that interact with HLA ligands. The study goal was to focus on allelic variation in genes KIR2DL5, KIR2DS5, and KIR2DS1 with respect to AD. This was a case-control study of individuals with (n = 313) and without (n = 176) AD. Associations were estimated using logistic regression. The prevalence of KIR2DL5 was 52.5% (95% CI 48.0,57.0), KIR2DS5 was 33.0% (28.8,37.3), and KIR2DS1 was 33.6% (29.4,38.0). The presence of the KIR2DL5*001:01 increased the odds of having AD by about 86% (odds ratio (OR): 1.86(1.23,2.82) p = 0.003). The risk for individuals homozygous for KIR2DL5*001:01 was even greater (OR: 2.16 (95% CI 1.31,3.53) p = 0.0023). The odds of having AD with KIR2DL5*001:01 was similar in Whites and Blacks. Allelic variation in KIR2DS5 and KIR2DS1 was not associated with AD. There is no known HLA binding ligand for KIR2DL5. The effect of KIR2DL5*001:01 increased in the presence of HLA-B*-21TT leader sequence (2.46(1.37,4.41) p = 0.0025) and the HLA-C2 ligand (2.07 (1.37,4.41, p = 0.000002). Our study shows an independent association of the KIR2DL5*001:01 with AD and is the first study to associate AD with KIR allelic variation.

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Collaboration types
Domestic collaboration
International collaboration
Citation topics
1 Clinical & Life Sciences
1.65 Allergy
1.65.1091 Atopic Dermatitis
Web Of Science research areas
Immunology
ESI research areas
Immunology
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