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Rheumatol Int ; 32(5): 1299-304, 2012 May.
Artículo en Inglés | MEDLINE | ID: mdl-21286723

RESUMEN

Recent case-control studies have identified some loci that are associated with rheumatoid arthritis (RA). Among these, a single nucleotide polymorphism (SNP), Gly307Ser (rs763361), in the CD226 gene was first discovered to confer the risk of RA in populations with European and Colombian ancestry. Because the effect of genetic factors varies in different races, the association between RA and CD226 is yet to be evaluated in other non-European populations. Here, we report the significant association between CD226 and RA in a Chinese population of 423 randomly enrolled individuals. The statistical results show that the rs763361 SNP in the CD226 gene is significantly associated with RA in the Chinese population group (P (obs) = 0.005, odds ratio = 1.52). After adjusting for sex and age using multivariate logistics regression analysis, the association is still positive (P (adj) = 0.029, odds ratio = 1.45). Meta-analysis confirms the association between rs763361 and RA (overall P < 0.001, overall odds ratio = 1.12). The test of odds ratio heterogeneity also suggests that the rs763361 SNP confers the same risk of RA in both the Chinese and the Colombian populations, and indicates that rs763361 may play a more important role in non-European populations compared with the European population (P = 0.031). These results demonstrate a genetic association between the CD226 gene and RA in a Chinese Han population with a potentially greater genetic effect than in the European population.


Asunto(s)
Antígenos de Diferenciación de Linfocitos T/genética , Artritis Reumatoide/genética , Pueblo Asiatico/genética , Polimorfismo de Nucleótido Simple , Adulto , Artritis Reumatoide/etnología , Artritis Reumatoide/inmunología , Secuencia de Bases , Estudios de Casos y Controles , Distribución de Chi-Cuadrado , China/epidemiología , Colombia/epidemiología , Femenino , Frecuencia de los Genes , Predisposición Genética a la Enfermedad , Humanos , Desequilibrio de Ligamiento , Modelos Logísticos , Masculino , Persona de Mediana Edad , Datos de Secuencia Molecular , Análisis Multivariante , Oportunidad Relativa , Fenotipo , Reacción en Cadena de la Polimerasa , Medición de Riesgo , Factores de Riesgo , Población Blanca/genética
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