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KMID : 0357920120460020162
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Korean Journal of Pathology
2012 Volume.46 No. 2 p.162 ~ p.168
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Identifying Polymorphisms in IL-31 and Their Association with Susceptibility to Asthma
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Yu Ji-In
Han Weon-Cheol
Yun Ki-Jung
Moon Hyung-Bae
Oh Gyung-Jae
Chae Soo-Cheon
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Abstract
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Background : Interleukin 31 (IL-31) is a T helper type 2 effector cytokine that plays an important role in the pathogenesis of atopic and allergic diseases. IL-31 may be involved in promoting allergic inflammation and in inducing airway epithelial responses such as allergic asthma.
Methods : Single-base extension analysis was used to detect the genotypes of IL-31 single nucleotide polymorphisms (SNPs), and we compared the genotype and allele frequencies of the IL-31 SNPs between patients with asthma and healthy controls.
Results : There were no significant differences in the genotype and allele frequencies of the IL-31 SNPs between patients with asthma and healthy controls. Furthermore we compared the genotype and allele frequencies of IL-31 SNPs between patients with atopic asthma, those with non-atopic asthma and healthy controls. This showed that the SNPs were not associated with the susceptibility to atopic asthma. There were no significant differences in the haplotype frequencies of IL-31 SNPs between patients with asthma and healthy controls. In patients with asthma, the IL-31 SNPs were significantly correlated with total serum levels of IgE (p=0.035).
Conclusions : Our results indicate that, the IL-31 SNPs may be associated with IgE production in patients with asthma.
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KEYWORD
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IL31, Haplotypes, Polymorphism, Asthma, Immunoglobulin E
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