Journal
JOURNAL OF CLINICAL PHARMACY AND THERAPEUTICS
Volume 33, Issue 6, Pages 691-697Publisher
WILEY
DOI: 10.1111/j.1365-2710.2008.00957.x
Keywords
aspirin hypersensitivity; chronic urticaria; genetic polymorphism; transforming growth factor beta 1
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Funding
- Ministry of Health & Welfare, Republic of Korea [A030001, A050571]
- Korea Health Promotion Institute [A050571] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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Chronic urticaria/angioedema is a common phenotype in patients with aspirin sensitivity; however, its genetic mechanism is not understood. Transforming growth factor (TGF)beta 1 is a key regulatory cytokine involved in allergic inflammation. We examined the association of a TGF beta 1 genetic polymorphism with aspirin-intolerant chronic urticaria (AICU) and aspirin-tolerant chronic urticaria (ATCU) in a Korean population. A promoter polymorphism in the TGF beta 1 gene, TGF beta 1 -509C > T, was analysed in 112 AICU patients, 153 ATCU patients and 457 normal controls (NC), and the frequency was compared among the groups. Serum TGF beta 1 levels were measured by ELISA. The minor allele frequency of the -509C > T polymorphism was significantly higher in patients with AICU compared with the other two groups (P < 0.02 for AICU vs. NC; P < 0.05 for AICU vs. ATCU). Among the AICU patients, those with the T allele tended to have lower serum TGF beta 1 levels. These findings suggest that the -509C > T polymorphism in the TGF beta 1 promoter may contribute to the development of the AICU phenotype.
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