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TAP1 and TAP2 Gene Polymorphisms in Korean Patients with Allergic Rhinitis
Journal of Korean Medical Science ; : 825-831, 2007.
Article in English | WPRIM | ID: wpr-176604
ABSTRACT
Antigen peptides are actively transported across the endoplasmic reticulum by the transporters associated with antigen presentation (TAP). TAP genes polymorphism could influence the selection process that determines which antigen peptides play a role in the pathogenesis of allergic rhinitis. The aim of this study was to investigate the association of TAP genes polymorphism with allergic rhinitis. TAP1 and TAP2 genotyping were performed on 110 allergic rhinitis patients and 107 healthy controls. TAP1 polymorphic residues at codons 333 and 637, and TAP2 polymorphic residues at codons 379, 565, 651, and 665 were analyzed by the amplification refractory mutation system-polymerase chain reaction (ARMS-PCR). Analysis of TAP1 gene polymorphism demonstrated decreased frequencies of Ile/Val genotype at codon 333, Asp/Gly genotype at codon 637, and haplotype A and B in allergic rhinitis patients when compared to controls (p<0.05). However, there was no significant difference in the genotype, phenotype, or allele frequencies at four TAP2 codons between controls and allergic rhinitis patients. In conclusion, TAP1 gene polymorphism may be an important factor contributing to the genetic susceptibility in the development of allergic rhinitis in the Korean population.
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Full text: Available Index: WPRIM (Western Pacific) Main subject: Polymorphism, Genetic / Codon / Rhinitis / ATP-Binding Cassette Transporters / Genetic Predisposition to Disease / Genotype / Hypersensitivity / Hypersensitivity, Immediate / Korea Limits: Adolescent / Adult / Aged / Child / Female / Humans / Male Country/Region as subject: Asia Language: English Journal: Journal of Korean Medical Science Year: 2007 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Main subject: Polymorphism, Genetic / Codon / Rhinitis / ATP-Binding Cassette Transporters / Genetic Predisposition to Disease / Genotype / Hypersensitivity / Hypersensitivity, Immediate / Korea Limits: Adolescent / Adult / Aged / Child / Female / Humans / Male Country/Region as subject: Asia Language: English Journal: Journal of Korean Medical Science Year: 2007 Type: Article