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- Title
Interleukin 3 (IL3) polymorphisms associated with decreased risk of asthma and atopy.
- Authors
Byung Lae Park; Lyoung Hyo Kim; Yoo Hyun Choi; June-Hyuk Lee; Taiyoun Rhim; Young Mok Lee; Soo-Taek Uh; Hae-Sim Park; Byoung Whui Choi; Soo-Jong Hong; Choon-Sik Park; Hyoung Doo Shin
- Abstract
Cytokines, having central functions in immunological and inflammatory process, are always expected to play important roles in the pathogenesis of various diseases, such as asthma. Genetic polymorphisms of those cytokine and cytokine receptor genes are the focus of genetic association studies. In an effort to identify gene(s) whose variant(s) are involved in the development of asthma, we examined the genetic effects of 19 single nucleotide polymorphisms in eight cytokine and cytokine receptor genes, includingIL1A,IL1B,IL2,IL3,IL4,IL8,IL10, andIL5RA, on asthma and atopy. Nineteen single nucleotide polymorphisms in eight cytokine and cytokine receptor genes were genotyped using the single-base extension method in a Korean asthma cohort (n=723). Logistic regression and multiple regressions were used for statistical analyses controlling for smoking, age, and gender as covariables. Genetic association analysis of polymorphisms revealed that one exonic (exon 1),IL3+79T>C(Ser27Pro), showed significant association with the risk of asthma and atopy. The Pro allele had shown dominant and protective effects on development of asthma in nonatopic subjects (P=0.002) and also showed significant association with the risk of atopy in normal control subjects (P=0.007). This information about the genetic association of important genes with asthma might provide valuable insights into strategies for the pathogenesis of asthma and atopy.
- Subjects
INTERLEUKIN-3; INTERLEUKINS; GENETIC polymorphisms; ASTHMA; LUNG diseases; GENES
- Publication
Journal of Human Genetics, 2004, Vol 49, Issue 10, p517
- ISSN
1434-5161
- Publication type
Article
- DOI
10.1007/s10038-004-0184-x