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Studies for coagulation and fibrinolysis of citrullinated fibrinogen and its association with pathophysiology in Rheumatoid Arthritis

Research Project

Project/Area Number 19590551
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field Laboratory medicine
Research InstitutionShinshu University

Principal Investigator

OKUMURA Nobuo  Shinshu University, 医学部, 教授 (60252110)

Co-Investigator(Kenkyū-buntansha) FUMIKO Terasawa  信州大学, 医学部, 助教 (40109210)
Project Period (FY) 2007 – 2008
Project Status Completed (Fiscal Year 2008)
Budget Amount *help
¥3,640,000 (Direct Cost: ¥2,800,000、Indirect Cost: ¥840,000)
Fiscal Year 2008: ¥2,210,000 (Direct Cost: ¥1,700,000、Indirect Cost: ¥510,000)
Fiscal Year 2007: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Keywordsシトルリン化フィブリノゲン / シトルリン化フィブリン / フィブリン重合反応 / 関節リウマチ / TNFa / IL-6 / PAI-1 / MMP-3 / 蛋白質 / 酵素 / 生理活性 / フィブリノペプチド放出反応 / フィブリン架橋反応
Research Abstract

関節リウマチの病因のひとつと考えられているシトルリン化フィブリノゲン(C-Fbg)は、トロンビンの切断部位のArgがシトルリン化されるため、フィブリノペプチドの放出が起こらないために重合反応が起こらないことを明らかにした。また、健常ヒト滑膜培養細胞にC-Fbgを添加する実験では、C-Fbg単独、患者中に存在する抗CCP抗体との同時添加によっても、炎症を惹起するような物質の明らかな増加は観察されなかった。

Report

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

    (4 results)

All 2009 2008 Other

All Journal Article (1 results) (of which Peer Reviewed: 1 results) Presentation (2 results) Remarks (1 results)

  • [Journal Article] Citrullinated fibrinogen shows defects in FPA and FPB release and fibrin polymerization catalyzed by thrombin2009

    • Author(s)
      Nobuo Okumura, Ayumi Haneishi, Fumiko Terasawa
    • Journal Title

      Clinica Chimica Acta 401

      Pages: 119-123

    • Related Report
      2008 Annual Research Report 2008 Final Research Report
    • Peer Reviewed
  • [Presentation] Functional analysis for citrullinated recombinant fibrinogen2008

    • Author(s)
      Nobuo Okumura, Ayumi Haneishi, Fumiko Terasawa
    • Organizer
      The XX^<th> International Fibrinogen Workshop
    • Place of Presentation
      イタリア・ベニス
    • Year and Date
      2008-07-11
    • Related Report
      2008 Final Research Report
  • [Presentation] Functional analysis for citrullinated recombinant fibrinogen2008

    • Author(s)
      Nobuo Okumura, Ayumi Haneishi, Fumiko Terasawa
    • Organizer
      The XX^<th> International Fibrinogen Workshop
    • Place of Presentation
      イタリア・ペニス
    • Related Report
      2008 Annual Research Report
  • [Remarks]

    • URL

      http://soar-rd.shinshu-u.ac.jp/soar/home.do?lng=ja

    • Related Report
      2008 Annual Research Report

URL: 

Published: 2007-04-01   Modified: 2016-04-21  

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