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KMID : 0613820040140050847
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Journal of Life Science
2004 Volume.14 No. 5 p.847 ~ p.854
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Investigation and Analysis of Allergy-related SNPs for Allergy Affected Students in a high school
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Kim Kyung-Won
Lee Ho-Gyung
Kim Hyun-Geon
Kim Soo-Young
Ahn Jung-Hoon
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Abstract
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Allergy is a multi-factorial disease influenced by genetic and environmental factors. As the number of allergy-affected people is increasing in developed countries, there is an increasing interest in genetic predisposition to the allergy. A number of genes and chromosomal region have been identified to be linked to allergy including rhinitis, asthma and atopy. In order to understand the genetic background for the allergy-affected people, we investigated genetic predisposition among students enrolled in Busan Science Academy. Among 138 students, about 30% students had some allergy-related disorder including rhinitis, asthma and atopy. We analyzed several single nucleotide polymorphisms (SNPs) within two genes, Interleukin-4(IL-4) and Interleukin-4 receptor(IL-4R), which are involved in the induction of allergy reaction with the Th2 immunity. For 96 samples obtained from students, we analyzed 9 SNPs including -590 C/T and -34 C/T in IL-4, and I75V, Q576R, E375A, C406R, S411L, S761P and S727A in IL-4R. From the analysis, these SNPs showed slight differences among normal and allergy-affected students, but these differences was not enough to predict the predisposition to the allergy. In contrast to previous reports, we could not find SNP(s) related with allergy. These results suggest that genetic tests recently performed in Korea widely have to be reassessed for its validity of genetic predisposition. [Supported by grants from MOST]
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KEYWORD
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Allergy, IL-4, IL-4R, SNP
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