• Allergol Immunopathol (Madr) · Jul 2014

    Possible contribution of chemokine receptor CCR2 and CCR5 polymorphisms in the pathogenesis of chronic spontaneous autoreactive urticaria.

    • Z Brzoza, W Grzeszczak, B Rogala, W Trautsolt, and D Moczulski.
    • Chair and Clinical Department of Internal Diseases, Allergology and Clinical Immunology, Medical University of Silesia, Katowice, Poland. Electronic address: zbrzoza@mp.pl.
    • Allergol Immunopathol (Madr). 2014 Jul 1; 42 (4): 302-6.

    BackgroundAutoimmune mechanisms play a role in the pathophysiology of chronic urticaria. As the genetic background of autoimmunity is well proven, the role of genetics in chronic urticaria is hypothesised.Methods153 unrelated chronic spontaneous urticaria patients with a positive result of autologous serum skin test were included into the study, as were 115 healthy volunteers as control group. In all subjects we analysed CCR2 G190A and CCR5 d32 polymorphisms.ResultsWe noticed higher prevalence of CCR2 A allele as well as lower frequency of CCR5 d32 in chronic urticaria group in comparison to control group, with borderline statistical significance. Additionally, we assumed haplotype Gd statistically significant negative chronic urticaria association with tendency to higher frequency of Aw haplotype in this group.ConclusionsThe results of our study imply the role of autoimmune components in chronic urticaria pathogenesis and present chronic urticaria as possibly genetically related disorder.Copyright © 2012 SEICAP. Published by Elsevier Espana. All rights reserved.

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