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Analysis of new NLRP3 activation passway by Vibrio cholerae

Research Project

Project/Area Number 22590396
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field Bacteriology (including Mycology)
Research InstitutionUniversity of the Ryukyus

Principal Investigator

NAKASONE Noboru  琉球大学, 大学院・医学研究科, 助教 (80175497)

Co-Investigator(Kenkyū-buntansha) 小倉 裕範  琉球大学, 医学研究科, 助教 (60304557)
Co-Investigator(Renkei-kenkyūsha) SUZUKI Toshihiko  琉球大学, 大学院・医学研究科, 教授 (10292848)
Project Period (FY) 2010 – 2012
Project Status Completed (Fiscal Year 2012)
Budget Amount *help
¥3,900,000 (Direct Cost: ¥3,000,000、Indirect Cost: ¥900,000)
Fiscal Year 2012: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2011: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2010: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Keywords感染免疫 / 炎症反応 / コレラ菌 / ヘモリジン / NLRP3 / MyD88/Trif
Research Abstract

The purpose of this study is to isolate a MyD88/Trif independent NLRP3 activator from Vibrio cholerae O1 and clarified the signaling passway . We usedseveral factors of V.cholerae for the purpose, and we found that the hemolysin (HlyA) is most possible factor in V. cholerae. We also found that other bacterial hemolysins did not show same phenomenon. However, we could not obtain the certificate evidences.

Report

(4 results)
  • 2012 Annual Research Report   Final Research Report ( PDF )
  • 2011 Annual Research Report
  • 2010 Annual Research Report
  • Research Products

    (17 results)

All 2013 2012 2011 2010 Other

All Journal Article (8 results) (of which Peer Reviewed: 8 results) Presentation (5 results) Remarks (4 results)

  • [Journal Article] Vibrio parahaemolyticus effector proteins suppress inflammasome activation by interfering with host autophagy signaling2013

    • Author(s)
      Higa N, Toma C, Koizumi Y, Nakasone N, Nohara T, Masumoto J, Kodama T, Iida T, Suzuki T
    • Journal Title

      PLOS Pathogen

      Volume: 9

    • Related Report
      2012 Final Research Report
    • Peer Reviewed
  • [Journal Article] Vibrio parahaemolyticus effector proteins suppress inflammasome activation by interfering with host autophagy signaling.2013

    • Author(s)
      Higa N etal
    • Journal Title

      PLOS Pathogen

      Volume: 9

    • Related Report
      2012 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Inflammasome activation via intracellular NLRs triggered by bacterial infection2012

    • Author(s)
      Koizumi Y, Toma C, Higa N, Nohara T,Nakasone N, Suzuki T
    • Journal Title

      Cell Microbiol

      Volume: 14 Pages: 149-154

    • Related Report
      2012 Final Research Report 2011 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Inflammasome activation via intracellular NLRs triggered by bacterial infection2012

    • Author(s)
      Yukiko Koizumi, et al
    • Journal Title

      Cellular microbiology

      Volume: 14(2) Issue: 2 Pages: 149-154

    • DOI

      10.1111/j.1462-5822.2011.01707.x

    • Related Report
      2012 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Detergents enhance EspB secretion from Escherichia coli strains harboring the locus for the enterocyte effacement (LEE) gene2011

    • Author(s)
      Nakasone N, Toma C, Higa N, Koizumi Y, Ogura Y and Suzuki T
    • Journal Title

      Microbiol Lett

      Volume: 315 Pages: 109-114

    • Related Report
      2012 Final Research Report
    • Peer Reviewed
  • [Journal Article] Detergents enhance EspB secretion from Escherichia coli strains harboring the locus for enterocyte effacement (LEE) gene2011

    • Author(s)
      Nakasone N, Toma C, Higa N, Koizumi Y, Ogura Y, Suzuki
    • Journal Title

      FEMS Microbiol.Lett.

      Volume: 315 Issue: 2 Pages: 109-114

    • DOI

      10.1111/j.1574-6968.2010.02176.x

    • Related Report
      2011 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Detergents enhance EspB secretion from Escherichia coil strains harboring the locus for the enterocyte eiacement (LEE) gene2011

    • Author(s)
      Nakasone N
    • Journal Title

      FEMS microbiol lett

      Volume: 315 Pages: 109-114

    • Related Report
      2010 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Pathogenic Vibrio activate NLRP3 inflammasome via cytotoxins and TLR/Nucleotide-binding Oligomerization Domain-mediated NF-κB signaling.2010

    • Author(s)
      Toma C
    • Journal Title

      J Immunol

      Volume: 184 Pages: 5287-5297

    • Related Report
      2010 Annual Research Report
    • Peer Reviewed
  • [Presentation] The plant extracts which inhibit typeIII secretion in enteropathogenic and enterohaemorrhagic Escherichia coli2013

    • Author(s)
      Nakasone N. Higa N, Nohara,Takaesu G, Nohara T, Toma C, Suzuki T
    • Organizer
      第86回細菌学会総会
    • Place of Presentation
      千葉
    • Year and Date
      2013-03-18
    • Related Report
      2012 Final Research Report
  • [Presentation] Analysis of the virulence factors involved in Leptospira interrogans-macrophage interactions2013

    • Author(s)
      Toma C, Higa N, Nakasone N, Nohara T,Koizumi N, Suzuki T
    • Organizer
      86回細菌学会総会
    • Place of Presentation
      千葉
    • Year and Date
      2013-03-18
    • Related Report
      2012 Final Research Report
  • [Presentation] The plant extracts which inhibit typeIII secretion in enteropathogenic and enterohaemorrhagic Escherichia coli2013

    • Author(s)
      Nakasone N etal
    • Organizer
      日本細菌学会総会
    • Place of Presentation
      千葉県幕張メッセ
    • Related Report
      2012 Annual Research Report
  • [Presentation] Analysis of the virulence factors involved in Leptospira interrogans- macrophage interactions.2013

    • Author(s)
      Toma C etal
    • Organizer
      日本細菌学会総会
    • Place of Presentation
      千葉県幕張メッセ
    • Related Report
      2012 Annual Research Report
  • [Presentation] Vibrio vulnificus NF-κB活性化因子の解析2010

    • Author(s)
      仲宗根昇
    • Organizer
      日本細菌学会
    • Place of Presentation
      官崎市ホテルメリージュ
    • Year and Date
      2010-09-03
    • Related Report
      2010 Annual Research Report
  • [Remarks]

    • URL

      http://w3.u-ryukyu.ac.jp/bacteriology/

    • Related Report
      2012 Final Research Report
  • [Remarks] 琉球大学医学研究科 細菌学講座

    • URL

      http://w3.u-ryukyu.ac.jp/bacteriology/

    • Related Report
      2012 Annual Research Report
  • [Remarks]

    • URL

      http://w3.u-ryukyu.ac.jp/bacteriology/

    • Related Report
      2011 Annual Research Report
  • [Remarks]

    • URL

      http://w3.u-ryukyu.ac.jp/bacteriology/

    • Related Report
      2010 Annual Research Report

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Published: 2010-11-30   Modified: 2019-07-29  

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