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Regulations of inflammatory responses induced by Chlamydia

Research Project

Project/Area Number 15K09561
Research Category

Grant-in-Aid for Scientific Research (C)

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

Principal Investigator

Matsuo Junji  北海道大学, 保健科学研究院, 講師 (50359486)

Co-Investigator(Kenkyū-buntansha) 中村 眞二  順天堂大学, 医学(系)研究科(研究院), 助教 (40207882)
山口 博之  北海道大学, 保健科学研究院, 教授 (40221650)
Project Period (FY) 2015-04-01 – 2018-03-31
Project Status Completed (Fiscal Year 2017)
Budget Amount *help
¥4,810,000 (Direct Cost: ¥3,700,000、Indirect Cost: ¥1,110,000)
Fiscal Year 2017: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2016: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
Fiscal Year 2015: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Keywordsクラミジア / 炎症 / サイトカイン / アポトーシス / 宿主炎症応答 / miRNA / 炎症性サイトカイン
Outline of Final Research Achievements

To understand host inflammatory responses induced by Chlamydia, we tried to identify a novel receptor of host cells and chlamydial factors, which are conserved in the Chlamydiales. As a result, a non-TLR receptor and a heat-labile chlamydial factor may be involved in host inflammatory responses. In addition, the responses were enhanced in low oxygen environments. On the other hands, host caspase-3 dynamics was revealed using a cyclic fire luciferase probe. We also showed that miRNA regulation may be involved in the host inflammatory responses induced by Chlamydia.

Report

(4 results)
  • 2017 Annual Research Report   Final Research Report ( PDF )
  • 2016 Research-status Report
  • 2015 Research-status Report
  • Research Products

    (5 results)

All 2018 2017 2016

All Journal Article (1 results) (of which Peer Reviewed: 1 results,  Open Access: 1 results) Presentation (4 results) (of which Int'l Joint Research: 1 results,  Invited: 1 results)

  • [Journal Article] Acanthamoeba containing endosymbiotic chlamydia isolated from hospital environments and its potential role in inflammatory exacerbation.2016

    • Author(s)
      Fukumoto T, Matsuo J, Okubo T, Nakamura S, Miyamoto K, Oka K, Takahashi M, Akizawa K, Shibuya H, Shimizu C, Yamaguchi H.
    • Journal Title

      BMC Microbiol.

      Volume: 16 Issue: 1 Pages: 292-292

    • DOI

      10.1186/s12866-016-0906-1

    • NAID

      120005905631

    • Related Report
      2016 Research-status Report
    • Peer Reviewed / Open Access
  • [Presentation] Chlamydia trachomatisは感染後期に宿主細胞のカスパーゼ3を活性化する2018

    • Author(s)
      松尾淳司,大久保寅彦,中村眞二,山口博之
    • Organizer
      第91回日本細菌学会総会(福岡市)
    • Related Report
      2017 Annual Research Report
  • [Presentation] ヒトの移動に伴い院内に持ち込まれるアメーバ共生細菌とヒトへのリスク.2017

    • Author(s)
      松尾淳司,中村眞二,大久保寅彦,山口博之
    • Organizer
      第90回日本細菌学会総会
    • Place of Presentation
      仙台国際センター(宮城)
    • Year and Date
      2017-03-19
    • Related Report
      2016 Research-status Report
    • Invited
  • [Presentation] カスパーゼ3プローブ発現細胞を用いたクラミジア感染宿主細胞内のアポトーシス制御機構の探索2017

    • Author(s)
      松尾淳司,芳賀早苗,大久保寅彦,中村眞二,小沢岳昌,尾崎倫孝,山口博之
    • Organizer
      ConBio2017(神戸市)
    • Related Report
      2017 Annual Research Report
  • [Presentation] Amoebal endosymbiont Protochamydia isolated from a hospital can induce IL-8 in human immortal HEp-2 cells.2016

    • Author(s)
      Matsuo J., Fukumoto T., Okubo T., Nakamura S., Akizawa K., Shibuya H., Shimizu C., Yamaguchi H.
    • Organizer
      ASM Microbe 2016.
    • Place of Presentation
      Boston (USA)
    • Year and Date
      2016-06-16
    • Related Report
      2016 Research-status Report
    • Int'l Joint Research

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Published: 2015-04-16   Modified: 2019-03-29  

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