Wednesday, June 22, 2011

A functional promoter polymorphism of the human IL-18 gene is associated with aspirin-induced urticaria

Abstract

Background:  Urticaria is the commonest cutaneous reaction caused by aspirin or other NSAIDs. The pathogenesis of aspirin-induced urticaria (AIU) is not fully understood, but appears to involve mast cell activation and neutrophil infiltration.


Objectives:  To investigate the genetic contribution of interleukin-18 (IL-18), which can amplify acute inflammation by promoting mast cell activation, neutrophil migration, and cytokine production, to the pathogenesis of AIU.


Methods:  A case–control association study was performed using 247 patients with AIU and 196 normal healthy controls in a Korean population. Two promoter polymorphisms of the IL-18 gene (–607A/C and ...

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