J Korean Med Sci.  2011 Jul;26(7):870-874. 10.3346/jkms.2011.26.7.870.

FCepsilonRI Gene Promoter Polymorphisms and Total IgE Levels in Susceptibility to Atopic Dermatitis in Korea

• Park KY
• Park MK
• Kim EJ
• Lee MK
• Seo SJ

• KMID: 1094256
• DOI: http://doi.org/10.3346/jkms.2011.26.7.870

Abstract

IgE-dependent activation of mast cells and basophils through the high-affinity IgE receptor (FcepsilonRI) is involved in the pathogenesis of allergen-induced immune responsiveness in atopic diseases like atopic dermatitis (AD). We sought to determine FcepsilonRI gene polymorphisms are associated with AD in Korean patients, and analyzed the relevance of FcepsilonRI gene polymorphisms and serum IgE levels. We conducted a case-control association analysis (175 patients and 56 controls) of Korean subjects. Genotyping was performed using the TaqMan fluorogenic 5' nuclease assay, and serum levels of IgE were measured using a fluorescence enzyme immunoassay. We found that there were no significant relationships between FcepsilonRI and AD, although there were trends towards an association between the 66T>C (rs2251746) polymorphism and total serum IgE levels in the Korean AD patients. In conclusion, while the 66T>C (rs2251746) of the FcepsilonRIalpha polymorphism may be linked to AD and higher serum IgE levels, polymorphisms in the FcepsilonRIbeta gene did not confer susceptibility to AD in our patient sample.

Keyword

Atopic dermatitis; FcepsilonRIalpha Polymorphism; FcepsilonRIbeta Polymorphism; Immunoglobulin E

MeSH Terms

Adolescent
Alleles
Asian Continental Ancestry Group/*genetics
Case-Control Studies
Child
Child, Preschool
Dermatitis, Atopic/*genetics/immunology
Female
Genetic Predisposition to Disease
Genotype
Humans
Immunoglobulin E/*blood
Male
*Polymorphism, Single Nucleotide
Promoter Regions, Genetic
Receptors, IgE/*genetics
Republic of Korea

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