Association of Interleukin-23 Receptor Gene Single Nucleotide Polymorphisms with Ankylosing Spondylitis

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It has been shown previously that the IL-23 receptor (IL-23R) variants are associated with ankylosing spondylitis (AS). It is unknown whether IL-23R is associated with AS in the Chinese population. The present study was performed to examine the association of IL-23R gene polymorphisms with susceptibility to AS in the Chinese population.


A total of 157 Chinese Han patients with AS and 150 ethnically matched healthy controls were enrolled. All patients were diagnosed with AS according to the modified New York criteria. 8 single nucleotide polymorphisms (SNPs) of the IL-23R gene cluster were genotyped.


None of the 8 IL-23R SNPs were found to be associated with AS in the Chinese population.


The association of IL-23R and AS that is seen in Caucasian patients with AS is not present in Chinese patients with AS.

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