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Association of TNF-alpha promoter polymorphisms with aspirin-induced urticaria.

Choi, JH; Kim, SH; Cho, BY; Lee, SK; Suh, CH; Park, HS
Journal of clinical pharmacy and therapeutics, 34(2):231-238, 2009
Journal Title
Journal of clinical pharmacy and therapeutics
OBJECTIVE: Although the pathogenesis of aspirin-induced urticaria (AIU) is not fully understood, mast cell activation has been noted in patients with AIU. Tumour necrosis factor (TNF)-alpha, a potent pro-inflammatory cytokine, is released by human skin mast cells and other inflammatory cells in patients with urticaria. To investigate the role of TNF-alpha promoter polymorphisms in the development of AIU, we performed an association study of TNF-alpha promoter polymorphisms with AIU phenotype.

METHODS: Two hundred thirty-nine patients with AIU consisting of 120 patients with aspirin intolerant chronic urticaria (AICU) and 119 with aspirin-intolerant acute urticaria (AIAU), and 524 normal controls were enrolled. AIU was confirmed by oral aspirin challenge test. Five SNPs in the TNF-alpha gene (-1031T>C, -863C>A, -857C>T, -308G>A, -238G>A) were genotyped by a single-base extension method. Haplotype analyses were done.

RESULTS: The genotype frequencies of TNF-1031T>C and TNF-863C>A were significantly higher in the AIU patients than in the normal controls in both co-dominant (P = 0.014, P = 0.007) and dominant (P = 0.007, P = 0.004) models. The frequency of TNF-ht2[CACGG] containing a genotype in the AIU group was significantly higher in the normal controls with both co-dominant (P = 0.004, Pc = 0.02) and dominant models (P = 0.002, Pc = 0.01).

CONCLUSIONS: These findings suggest that the two promoter polymorphisms of TNF-alpha at -1031T>C and -863C>A may contribute to the development of AIU.
MeSH terms
AdultAnti-Inflammatory Agents, Non-Steroidal/adverse effects*Aspirin/adverse effects*FemaleGene FrequencyGenotypeHaplotypesHumansKorea/epidemiologyMaleMiddle AgedPolymorphism, Single NucleotidePromoter Regions, Genetic/genetics*Skin TestsTumor Necrosis Factor-alpha/genetics*Urticaria/chemically induced*Urticaria/epidemiologyUrticaria/genetics*
Appears in Collections:
Journal Papers > School of Medicine / Graduate School of Medicine > Allergy
Journal Papers > Research Organization > Regional Clinical Trial Center
Journal Papers > School of Medicine / Graduate School of Medicine > Rheumatology
AJOU Authors
김, 승현서, 창희박, 해심
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