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Association of four-locus gene interaction with aspirin-intolerant asthma in Korean asthmatics.

Authors
Kim, SH; Jeong, HH; Cho, BY; Kim, M; Lee, HY; Lee, J; Wee, K; Park, HS
Citation
Journal of clinical immunology, 28(4):336-342, 2008
Journal Title
Journal of clinical immunology
ISSN
0271-91421573-2592
Abstract
INTRODUCTION: Aspirin-intolerant asthma (AIA), a major clinical presentation of aspirin hypersensitivity, affects 10% of adult asthmatics. The genetic risk factors involved in the susceptibility to AIA have recently been investigated, but multilocus single-nucleotide polymorphisms (SNPs) associated with this susceptibility has not been evaluated. METHODS: We examined 246 asthmatic patients: 94 having aspirin intolerance and 152 having aspirin tolerance. We selected 23 SNPs of 13 candidate genes and genotyped each SNP using a primer extension method. Multilocus genetic interactions were examined using multifactor dimensionality reduction (MDR) to test all multilocus SNP combinations to identify a useful SNP set for predicting the AIA phenotype. RESULTS: We identified the best model using the MDR method, which consisted of a four-locus gene-gene interaction with 65.16% balanced accuracy and a cross-validation consistency of 70% in predicting AIA disease risk among asthmatic patients. This model included four SNPs such as B2ADR 46A>G, CCR3-520T>G, CysLTR1-634C>T, and FCER1B-109T>C. DISCUSSION: These results suggest that a multilocus SNP acts in combination to influence the susceptibility to aspirin intolerance in asthmatics and could be a useful genetic marker for the diagnosis of AIA.
MeSH terms
AdultAspirin/adverse effects*Asthma/chemically induced*FemaleGenetic Predisposition to Disease*HumansKoreaMalePneumonia/geneticsPolymorphism, Single NucleotideReceptors, Leukotriene/genetics
DOI
10.1007/s10875-008-9190-7
PMID
18379861
Appears in Collections:
Journal Papers > School of Medicine / Graduate School of Medicine > Allergy
Journal Papers > Research Organization > Regional Clinical Trial Center
AJOU Authors
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