PTPN22 Polymorphism Presumably Plays a Role in the Genetic Background of Chronic Spontaneous Autoreactive Urticaria

被引:31
作者
Brzoza, Z. [1 ]
Grzeszczak, W. [2 ]
Rogala, B. [1 ]
Trautsolt, W. [2 ]
Moczulski, D. [3 ]
机构
[1] Med Univ Silesia, Chair & Clin Dept Internal Dis Allergol & Clin Im, PL-40952 Katowice, Poland
[2] Med Univ Silesia, Chair & Clin Dept Internal Dis Diabetol & Nephrol, PL-40952 Katowice, Poland
[3] Med Univ Lodz, Chair & Clin Dept Internal Dis & Nephrodiabetol, Lodz, Poland
关键词
Chronic urticaria; Polymorphism; PTPN22; LYMPHOID TYROSINE PHOSPHATASE; CHRONIC IDIOPATHIC URTICARIA; FC-EPSILON-RI; SINGLE-NUCLEOTIDE POLYMORPHISM; AUTOIMMUNE THYROID-DISEASE; ANTI-IGE AUTOANTIBODIES; SERUM SKIN-TEST; DEHYDROEPIANDROSTERONE-SULFATE; RHEUMATOID-ARTHRITIS; GRAVES-DISEASE;
D O I
10.1159/000339332
中图分类号
R75 [皮肤病学与性病学];
学科分类号
100206 ;
摘要
Background: The association of chronic urticaria (CU) with autoimmune disorders is relatively well proved. Protein tyrosine phosphatase-22 (PTPN22) is considered to be one of the strongest genetic factors for human autoimmunity. We decided to evaluate whether additional, non 1858C>T, PTPN22 variants are independent contributors to the risk of CU occurrence in the Polish population. Methods: A total of 91 CU patients with a positive result of autologous serum skin test and 100 healthy volunteers were enrolled in the study. The Urticaria Activity Score was used in disease intensity assessment. In all subjects rs3811021, rs1310182 and rs2488457 polymorphisms were genotyped. Results: We found a higher prevalence of 1123 C allele among CU patients. No differences in the allele and genotype distribution were found in the other analyzed polymorphisms. Haplotype construction of the three SNPs revealed statistically significant CU association of rs2488457C, rs1310182T and rs3811021T. Conclusions: Contrary to previous findings, the contribution of PTPN22 to disease susceptibility is suggested. We can speculate that CU is a genetically complex disease and that its occurrence needs multiple genetic and environmental risk factors. Copyright (c) 2012 S. Karger AG, Basel
引用
收藏
页码:340 / 345
页数:6
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