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Association of AIRE Polymorphisms with Genetic Susceptibility to Rheumatoid Arthritis in a Chinese Population.
|Title||Association of AIRE Polymorphisms with Genetic Susceptibility to Rheumatoid Arthritis in a Chinese Population.|
|Publication Type||Journal Article|
|Year of Publication||2013|
|Authors||Shao S, Li X-R, Cen H, Yin Z-S|
|Date Published||2013 Oct 30|
Recently, genetic polymorphisms within the autoimmune regulator (AIRE) have been implicated in the genetic susceptibility to rheumatoid arthritis (RA) in Japanese and Spanish. The aim of this case-control study involving 232 patients with RA and 313 ethnically matched control subjects was to investigate the association of AIRE rs2075876 and rs760426 polymorphisms with genetic predisposition to RA in a Chinese population. The genotypes of AIRE rs2075876 and rs760426 polymorphisms were determined by SNaPshot assay. A significant difference in the allele frequency of AIRE rs2075876 polymorphism between cases and controls was detected (A versus G, OR 1.33, 95 %CI 1.04-1.69, P = 0.02, P corrected (Bonferroni correction) Pc = 0.04). Significant evidence was found for the association between the minor allele A of AIRE rs2075876 polymorphism and the risk of RA under the recessive model (AA versus AG + GG, P = 7.15 × 10(-3), Pc = 1.43 × 10(-2)). The frequency of the minor allele G of AIRE rs760426 polymorphism was higher in patients compared with controls (47.8 % versus 42.1 %), and this deviation showed a trend towards significant level (P = 0.06, Pc = 0.12). The association between the minor allele G of AIRE rs760426 polymorphism with RA risk under the dominant model and the recessive model revealed that significant evidence was detected under the recessive model (GG versus GA + AA, P = 0.02, Pc = 0.04). Our results indicated that AIRE rs2075876 and rs760426 polymorphisms were involved in the genetic background of RA in the Chinese population.