The influence of polymorphisms of interleukin-17A and interleukin-17F genes on the susceptibility to ulcerative colitis

Tomiyasu Arisawa, Tomomitsu Tahara, Tomoyuki Shibata, Mitsuo Nagasaka, Masakatsu Nakamura, Yoshio Kamiya, Hiroshi Fujita, Masahiko Nakamura, Daisuke Yoshioka, Yuko Arima, Masaaki Okubo, Ichiro Hirata, Hiroshi Nakano

研究成果: Article査読

157 被引用数 (Scopus)

抄録

We investigated the association between ulcerative colitis (UC) and polymorphisms of IL-17A (rs2275913, G-197A) and IL-17F (rs763780, 7488T/C) genes. We employed the multiplex PCR-SSCP method to detect gene polymorphisms. Both the numbers of -197A (IL-17A) and 7488T (IL-17F) alleles were significantly correlated to the development of UC. The frequencies of -197A/A and 7488T/T genotypes in the UC group were significantly higher than those in the non-UC group. An adjusted analysis revealed that -197A and 7488T alleles were independent risk factors for the developing UC. In addition, both polymorphisms were significantly associated with the pancolitis phenotype. Furthermore, -197A allele was significantly correlated to the chronic relapsing phenotype and -197A/A homozygote was more frequent in steroid-dependent cases, whereas 7488T allele was correlated with the chronic continuous phenotype. Our results provided the first evidence that -197A (IL-17A) and 7488T (IL-17F) alleles may influence the susceptibility to and pathophysiological features of UC independently.

本文言語English
ページ(範囲)44-49
ページ数6
ジャーナルJournal of Clinical Immunology
28
1
DOI
出版ステータスPublished - 01-2008

All Science Journal Classification (ASJC) codes

  • 免疫アレルギー学
  • 免疫学

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