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Sialylated Fc as a novel therapeutic agent in the acute phase of Kawasaki disease

Research Project

Project/Area Number 16K10048
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Pediatrics
Research InstitutionFukuoka University

Principal Investigator

YOSHIKANE YUKAKO  福岡大学, 医学部, 講師 (00449927)

Co-Investigator(Kenkyū-buntansha) 原岡 誠司  福岡大学, 医学部, 講師 (40251053)
古賀 允久  福岡大学, 薬学部, 助教 (60570801)
長 環  福岡歯科大学, 口腔歯学部, 教授 (90131870)
Research Collaborator Eguchi Mitsutoshi  
Tameishi Masayuki  
Project Period (FY) 2016-04-01 – 2019-03-31
Project Status Completed (Fiscal Year 2018)
Budget Amount *help
¥4,680,000 (Direct Cost: ¥3,600,000、Indirect Cost: ¥1,080,000)
Fiscal Year 2018: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
Fiscal Year 2017: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2016: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Keywords川崎病 / カンジダ / モデルマウス / 免疫グロブリン / Fc / シアル酸 / 川崎病モデルマウス / カンジダアルビカンス / 大動脈基部血管炎 / 冠動脈起始部血管炎 / IgG / Fab / 汎血管炎 / トランスレーショナルリサーチ
Outline of Final Research Achievements

A Candida albicans cell wall extract (CAWE)-induced KD-like vasculitis model was established in DBA/2 mice. They all had coronary arteritis.
1. Administration of existing immunoglobulin suppressed coronary arteritis in all of mice. 2. Administration of Fab suppressed coronary arteritis in 25% of mice. 3. Administration of Fc suppressed arteritis in 90% of mice. We suggested Fc works for suppressing arteritis.
4. One-tenth dose IgG suppressed coronary arteritis in 50% of mice. 5. One-tenth dose sialic acid-rich IgG and 6. One-tenth dose sialic acid-rich Fc suppressed coronary arteritis in 80~100% of mice. one-tenth dose sialic acid-rich IgG and Fc had an anti-inflammatory effect equivalent to that of high-dose IgG.

Academic Significance and Societal Importance of the Research Achievements

従来の免疫グロブリン製剤は、Fab領域・Fc領域両者を含む、シアル酸が少ない抗体を含む
等の問題があり、非効率的で、総投与量が多くなっていた。「シアル酸高含有Fc」は抗炎症作用を有するシアル酸の含有が高いFc領域のみを含むため少量投与で十分な効果があり、効率的な治療が可能となる。
将来的に組み替え型の人工シアル化Fcを開発することにより、ヒトドナーを必要とせずに現行の免疫グロブリン大量療法と同等の効果が得られる人工製剤を作成できれば、さらなる供給の増加、感染症リスクの解消につながる。

Report

(4 results)
  • 2018 Annual Research Report   Final Research Report ( PDF )
  • 2017 Research-status Report
  • 2016 Research-status Report
  • Research Products

    (2 results)

All 2017

All Presentation (2 results) (of which Int'l Joint Research: 1 results)

  • [Presentation] Optimum preparation of Candida albicans wall extra (CAWE) for the mouse model of Kawasaki disease.2017

    • Author(s)
      吉兼由佳子
    • Organizer
      8th Takao Symposium
    • Related Report
      2017 Research-status Report
    • Int'l Joint Research
  • [Presentation] 川崎病血管炎マウスモデル作成におけるカンジダアルカリ抽出液作成方法の検討2017

    • Author(s)
      吉兼由佳子
    • Organizer
      第37回日本川崎病学会学術集会
    • Related Report
      2017 Research-status Report

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Published: 2016-04-21   Modified: 2022-01-27  

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