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Research for novel imaging diagnosis for fungal diseases

Research Project

Project/Area Number 18K16185
Research Category

Grant-in-Aid for Early-Career Scientists

Allocation TypeMulti-year Fund
Review Section Basic Section 54030:Infectious disease medicine-related
Research InstitutionOsaka City University

Principal Investigator

Fujimoto Hiroki  大阪市立大学, 大学院医学研究科, 学外研究員 (80779489)

Project Period (FY) 2018-04-01 – 2021-03-31
Project Status Completed (Fiscal Year 2020)
Budget Amount *help
¥4,290,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥990,000)
Fiscal Year 2020: ¥520,000 (Direct Cost: ¥400,000、Indirect Cost: ¥120,000)
Fiscal Year 2019: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2018: ¥2,470,000 (Direct Cost: ¥1,900,000、Indirect Cost: ¥570,000)
Keywordsムーコル症 / 特異抗体 / 画像診断 / Rhizopus oryzae / 肺真菌症 / PET/MRイメージ
Outline of Final Research Achievements

Mucormycosis is a life-threatening lung disease cause by mucor spp. The basic study for diagnostic imaging of mucormycosis using specific antigen for Rhisopus oryae, namely RSA, was done. The monoclonal RSA antibody was prepared. Tissue section of R. oryzae infected mouse lungs stained with RSA antigen. And we tried to detect R. oryzae in infected mice using intravenously injected radioisotope labeled RSA monoclonal antibody, but fungus was not detected outside of mouse body. The study will be continued.

Academic Significance and Societal Importance of the Research Achievements

侵襲性アスペルギルス症に関するPET/MR検査の有用性が海外より報告されているが,国内において研究は行われていない。また、ムーコル症についてはR.oryzaeの特異抗原(RSA)以外に有用なマーカーは報告されておらず、PET/MRを使用した画像診断への応用についても行われていなかった。本研究は,従前には無かったムーコル症への早期かつ非侵襲的な検査の実現に向けた基礎的な検討であると位置づけられる。今回は最終段階へは到達できなかったが、現在早期診断が難しいムーコル感染症の新規画像診断へ発展する可能性を有している。また、深在性真菌症のみならず、難診断の感染症診療に新展開をもたらす研究と考える。

Report

(4 results)
  • 2020 Annual Research Report   Final Research Report ( PDF )
  • 2019 Research-status Report
  • 2018 Research-status Report
  • Research Products

    (4 results)

All 2020 2019

All Journal Article (1 results) (of which Peer Reviewed: 1 results,  Open Access: 1 results) Presentation (3 results) (of which Int'l Joint Research: 1 results)

  • [Journal Article] Detection of Rhizopus-specific antigen in human and murine serum and bronchoalveolar lavege.2020

    • Author(s)
      Shibata W, Niki M, Sato K, Fujimoto H, Yamada K, Watanabe T, Miyazaki Y, Asai K, Obata Y, Taro T, Kawaguchi T, Kaneko Y, Kakeya H
    • Journal Title

      Medical Mycology

      Volume: - Issue: 7 Pages: 958-964

    • DOI

      10.1093/mmy/myaa001

    • Related Report
      2020 Annual Research Report 2019 Research-status Report
    • Peer Reviewed / Open Access
  • [Presentation] シンポジウム59「糸状菌診断のピットフォールと新たな展開 2.新しい血清診断法」2020

    • Author(s)
      掛屋 弘, 藤本寛樹
    • Organizer
      第94回日本感染症学会総会(東京/8月19日~21日)
    • Related Report
      2020 Annual Research Report
  • [Presentation] Detection of Rhizopus oryzae specific antigen (RSA) in serum and bronchial alveolar lavage is a potential early diagnostic marker in mucormycosis by R. oryzae2019

    • Author(s)
      Wataru Shibata, Hiroki Fujimoto, Koichi Yamada, Mamiko Niki, Satoshi Yamagoe, Yoshitsugu Miyazaki, Yukihiro Kaneko, Hiroshi Kakeya.
    • Organizer
      IDWeek2019
    • Related Report
      2019 Research-status Report
    • Int'l Joint Research
  • [Presentation] ムーコル症のトピックス2019

    • Author(s)
      掛屋 弘、藤本寛樹
    • Organizer
      第30回日本臨床微生物学会総会・学術集会
    • Related Report
      2019 Research-status Report

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Published: 2018-04-23   Modified: 2022-01-27  

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