Th17 cells in human rheumatoid arthritis

研究成果: Contribution to journalReview article査読

3 被引用数 (Scopus)

抄録

Many autoimmune diseases, such as rheumatoid arthritis (RA), have been thought as Th1-mediated diseases. However, recent studies demonstrated critical roles of IL-17, which is produced by a newly identifed subset of helper CD4T cells, Th17, in the development of murine models of autoimmune diseases. In addition, many biological functions of IL-17 fit very well with the pathology of RA joints. However, despite the presence of some reports detecting IL-17 in RA joints, the prevalence of Th17 cells in human RA had been largely unknown. Therefore, we analyzed Th17 cells in RA by intracellular staining methods. We found the frequency of IL-17-producing T cells was not increased in RA and was not correlated with disease activity of RA. Surprisingly, the frequency of CD4 T cells capable of IL-17 was decreased in the joints compared with PBL in each individual, whereas Th1 cells predominantly infitrated in the joints. Taken together with the results of other reports measuring IL-17 production in RA, it seems premature to conclude that IL-17 is abundantly produced in RA joints. Further investigation on the involvement of Th17/IL-17 in human RA is required.

本文言語英語
ページ(範囲)249-255
ページ数7
ジャーナルJapanese Journal of Clinical Immunology
32
4
DOI
出版ステータス出版済み - 2009

All Science Journal Classification (ASJC) codes

  • Immunology and Allergy
  • Immunology

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