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The effect of inflammatory cytokines on the differentiation of chondrogenic progenitor cells in the growth plates

Research Project

Project/Area Number 18591197
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field Pediatrics
Research InstitutionYokohama City University

Principal Investigator

MORI Masaaki  Yokohama City University, 附属市民総合医療センター, 准教授 (30254204)

Co-Investigator(Kenkyū-buntansha) YOKOTA Shumpei  横浜市立大学, 医学研究科, 教授 (10158363)
IMAGAWA Tomoyuki  横浜市立大学, 附属病院, 准教授 (20336548)
NARUTO Takuya  横浜市立大学, 医学研究科, 博士研究員 (60438124)
Project Period (FY) 2006 – 2008
Project Status Completed (Fiscal Year 2008)
Budget Amount *help
¥4,090,000 (Direct Cost: ¥3,400,000、Indirect Cost: ¥690,000)
Fiscal Year 2008: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2007: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2006: ¥1,100,000 (Direct Cost: ¥1,100,000)
Keywords成長板 / 軟骨細胞 / 炎症性サイトカイン
Research Abstract

全身型JIAの成長障害や関節破壊(単純X線像における骨端部の不整像)はともに骨端部における軟骨内骨化不全に起因すると考えられた。ATDC5細胞株による検討結果から、IL-6は成長軟骨板における軟骨細胞の初期分化を抑制し、軟骨内骨化不全をきたすこと、および抗IL-6受容体抗体・トシリズマブ治療により軟骨内骨化が回復し、成長障害や関節炎の改善に寄与することが推察された。

Report

(4 results)
  • 2008 Annual Research Report   Final Research Report ( PDF )
  • 2007 Annual Research Report
  • 2006 Annual Research Report
  • Research Products

    (2 results)

All 2009 Other

All Journal Article (2 results) (of which Peer Reviewed: 2 results)

  • [Journal Article] Interleukin-6 inhibits early differentiation of ATDC5 chondrogenic progenitor cells2009

    • Author(s)
      Shoko Nakajima, Takuya Naruto, Takako Miyamae, Tomoyuki Imagawa, Masaaki Mori, Shigeru Nishimaki, Shumpei Yokota
    • Journal Title

      Cytokine (CYTO-09-49R1) (accepted, in print)

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Interleukin-6 inhibits early differentiation of ATDC5 chondrogenic progenitor cells

    • Author(s)
      Shoko Nakajima, . Takuya Narato, Masaaki Mori, et al
    • Journal Title

      Cytokin (No. CYTO-09-49R1) (In press)

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed

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Published: 2006-04-01   Modified: 2016-04-21  

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