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Association between a TGFbeta1 promoter polymorphism and the phenotype of aspirin-intolerant chronic urticaria in a Korean population.

Park, HJ; Ye, YM; Hur, GY; Kim, SH; Park, HS
Journal of clinical pharmacy and therapeutics, 33(6):691-697, 2008
Journal Title
Journal of clinical pharmacy and therapeutics
BACKGROUND: Chronic urticaria/angioedema is a common phenotype in patients with aspirin sensitivity; however, its genetic mechanism is not understood. Transforming growth factor (TGF)beta1 is a key regulatory cytokine involved in allergic inflammation.

OBJECTIVE: We examined the association of a TGFbeta1 genetic polymorphism with aspirin-intolerant chronic urticaria (AICU) and aspirin-tolerant chronic urticaria (ATCU) in a Korean population.

METHODS: A promoter polymorphism in the TGFbeta1 gene, TGFbeta1 -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 TGFbeta1 levels were measured by ELISA.

RESULTS: 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 TGFbeta1 levels.

CONCLUSION: These findings suggest that the -509C>T polymorphism in the TGFbeta1 promoter may contribute to the development of the AICU phenotype.
MeSH terms
AdultAllelesAngioedema/chemically inducedAngioedema/geneticsAnti-Inflammatory Agents, Non-Steroidal/adverse effectsAspirin/adverse effects*Drug Hypersensitivity/genetics*Enzyme-Linked Immunosorbent AssayFemaleGene FrequencyHumansKorea/epidemiologyMaleMiddle AgedPhenotypePolymorphism, Genetic*Promoter Regions, GeneticTransforming Growth Factor beta1/genetics*Urticaria/chemically inducedUrticaria/geneticsYoung Adult
Appears in Collections:
Journal Papers > School of Medicine / Graduate School of Medicine > Allergy
Journal Papers > Research Organization > Regional Clinical Trial Center
AJOU Authors
박, 한정예, 영민김, 승현박, 해심
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