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Mechanisms of drug resitnace of an emerrging fungal diseases

Research Project

Project/Area Number 24591487
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Infectious disease medicine
Research InstitutionOita University

Principal Investigator

TOKIMATSU Issei  大分大学, 医学部, 講師 (20347032)

Co-Investigator(Kenkyū-buntansha) KADOTA Junichi  大分大学, 医学部, 教授 (50233838)
Research Collaborator KUSHIMA Hisako  
TOBA Satoshi  
KAWANO Rie  
TANABE Kouichi  
Project Period (FY) 2012-04-01 – 2015-03-31
Project Status Completed (Fiscal Year 2014)
Budget Amount *help
¥2,600,000 (Direct Cost: ¥2,000,000、Indirect Cost: ¥600,000)
Fiscal Year 2014: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2013: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2012: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Keywords薬剤耐性 / 真菌症 / 日和見感染症 / 院内感染対策 / 抗菌薬適正使用 / 薬剤耐性菌
Outline of Final Research Achievements

The amino acid substitution and the structure change caused the high resistance to antifungal resistance in pathogenic fungi, Trichosporon, which is the ubiquitous yeast around the world. This fungus have the mutant selection window (MSW) around the minimal concentration as the results of in vivo and in vitro studies and analysis.
Besides the use of antifungal agents, by formation of a biofilm, the yeast was also found to resistance of the anti-fungal agent. The antifungals is not effective to the biofilm formation cells of this yeast.

Report

(4 results)
  • 2014 Annual Research Report   Final Research Report ( PDF )
  • 2013 Research-status Report
  • 2012 Research-status Report
  • Research Products

    (17 results)

All 2014 2013 2012

All Journal Article (7 results) (of which Peer Reviewed: 3 results) Presentation (10 results) (of which Invited: 3 results)

  • [Journal Article] ムーコル症(接合菌症)2014

    • Author(s)
      時松一成
    • Journal Title

      小児内科

      Volume: 46 Pages: 1834-1837

    • Related Report
      2014 Annual Research Report
  • [Journal Article] トリコスポロン症2014

    • Author(s)
      鳥羽聡史、時松一成、門田淳一
    • Journal Title

      日本胸部臨床

      Volume: 73 Pages: 1057-1067

    • Related Report
      2014 Annual Research Report
  • [Journal Article] Association of sustained high plasma trough concentration of voriconazole with the incidence of hepatotoxicity.2013

    • Author(s)
      Suzuki Y, Tokimatsu I, Sato Y, Kawasaki K, Sato Y, Goto T, Hashinaga K, Itoh H, Hiramatsu K, Kadota J.
    • Journal Title

      Clin Chim Acta

      Volume: 424 Pages: 119-122

    • DOI

      10.1016/j.cca.2013.05.025

    • Related Report
      2013 Research-status Report
    • Peer Reviewed
  • [Journal Article] 深在性トリコスポロン症 Trichosporonosis2013

    • Author(s)
      時松一成
    • Journal Title

      感染制御

      Volume: 9 Pages: 312-316

    • Related Report
      2013 Research-status Report
  • [Journal Article] Prognostic significance of serum β-d-glucan levels in 78 patients with Trichosporon fungemia.2013

    • Author(s)
      Kushima H, Ishii H, Komiya K, Tokimatsu I, Kadota J.
    • Journal Title

      Int J Infect Dis.

      Volume: 23 Issue: 2 Pages: e134-e135

    • DOI

      10.1016/j.ijid.2012.05.1038

    • Related Report
      2012 Research-status Report
    • Peer Reviewed
  • [Journal Article] Cloning of the lanosterol 14-α-demethylase ( ERG11 ) gene in Trichosporon asahii: a possible association between G453R amino acid substitution and azole resistance in T. asahii.2012

    • Author(s)
      Kushima H, Tokimatsu I, Ishii H, Kawano R, Shirai R, Kishi K, Hiramatsu K, Kadota J.
    • Journal Title

      FEMS Yeast Res.

      Volume: 12 Issue: 6 Pages: 662-667

    • DOI

      10.1111/j.1567-1364.2012.00816.x

    • Related Report
      2012 Research-status Report
    • Peer Reviewed
  • [Journal Article] Deep-seated mycosis Trichosporonosis2012

    • Author(s)
      時松一成
    • Journal Title

      Medical Mycology Journal

      Volume: 53 Pages: 169-174

    • Related Report
      2012 Research-status Report
  • [Presentation] その他の真菌症(ムーコル、トリコスポロン、フサリウム)2014

    • Author(s)
      時松一成
    • Organizer
      第58回日本医真菌学会総会・学術集会
    • Place of Presentation
      ワークピア横浜(神奈川県、横浜市)
    • Year and Date
      2014-11-02
    • Related Report
      2014 Annual Research Report
    • Invited
  • [Presentation] 稀な菌種による深在性真菌症2014

    • Author(s)
      串間尚子、時松一成、門田淳一
    • Organizer
      第88回日本感染症学会 第62回日本化学療法学会総会
    • Place of Presentation
      ヒルトン福岡シーホーク(福岡県、福岡市)
    • Year and Date
      2014-06-18 – 2014-06-20
    • Related Report
      2014 Annual Research Report
    • Invited
  • [Presentation] Trichosporon asahiiのbiofilm形成抑制の検討2014

    • Author(s)
      鳥羽聡史、吉川裕喜、岡 宏亮、串間尚子、橋永一彦、梅木健二、濡木真一、時松一成、平松和史、門田淳一
    • Organizer
      第88回日本感染症学会 第62回日本化学療法学会総会
    • Place of Presentation
      ヒルトン福岡シーホーク(福岡県、福岡市)
    • Year and Date
      2014-06-18 – 2014-06-20
    • Related Report
      2014 Annual Research Report
  • [Presentation] EDTAによるTrichosporon aasahiiのbiofilm形成抑制の検討2013

    • Author(s)
      鳥羽聡史、園田尚子、岡宏亮、吉川裕喜、橋永一彦、石井寛、岸建志、白井亮、時松一成、平松和史、門田淳一
    • Organizer
      第87回日本感染症学会学術講演会
    • Place of Presentation
      横浜市
    • Related Report
      2013 Research-status Report
  • [Presentation] 真菌感染症と免疫研究の最前線と今後の展望(ワークショップ)2013

    • Author(s)
      時松一成
    • Organizer
      第57回日本医真菌学会総会
    • Place of Presentation
      東京
    • Related Report
      2013 Research-status Report
  • [Presentation] Influence of voriconazole (VRC) on survival outcome of trichosporonemia2012

    • Author(s)
      I Tokimatsu, H Kushima, S Toba, J Kadota
    • Organizer
      Interscience Conference on Antimicrobial Agents and Chemotherapy 2012
    • Place of Presentation
      San Francisco, U.S.A.
    • Related Report
      2012 Research-status Report
  • [Presentation] Examination of rhodamine 6G accumulation in multi-azoles resistant Trichosporon asahii : possible role for drug efflux.2012

    • Author(s)
      S. Toba, I. Tokimatsu, H. Kushima, H. Ishii, R. Shirai, K. Kishi, K. Hiramatsu1 J. Kadota, T. Sugita
    • Organizer
      Interscience Conference on Antimicrobial Agents and Chemotherapy 2012
    • Place of Presentation
      San Francisco, U.S.A.
    • Related Report
      2012 Research-status Report
  • [Presentation] Trichosporon asahiiにおけるbiofilm形成と抗真菌薬感受性の検討2012

    • Author(s)
      鳥羽 聡史,園田 尚子,時松 一成,門田 淳一
    • Organizer
      第56回 日本医真菌学会総会
    • Place of Presentation
      東京都
    • Related Report
      2012 Research-status Report
  • [Presentation] Trichosporon asahii多剤アゾール低感受性株におけるRhodamine6G動態の検討2012

    • Author(s)
      鳥羽聡史、串間尚子、大谷哲史、橋永一彦、岸 建志、白井 亮、時松一成、平松和史、門田淳一
    • Organizer
      第60回 日本化学療法学会学術集会
    • Place of Presentation
      長崎市
    • Related Report
      2012 Research-status Report
  • [Presentation] 播種性トリコスポロン症の診断・治療への挑戦-カンジダ症との相違を含め-2012

    • Author(s)
      串間尚子、時松一成
    • Organizer
      第86回 日本感染症学会総会学術講演会
    • Place of Presentation
      長崎市
    • Related Report
      2012 Research-status Report
    • Invited

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Published: 2013-05-31   Modified: 2019-07-29  

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