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The mechanism of complement-inhibitory function in larval stage of Echinococcus multilocularis

Research Project

Project/Area Number 15K19083
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeMulti-year Fund
Research Field Parasitology (including sanitary zoology)
Research InstitutionAsahikawa Medical College

Principal Investigator

Mizuki Sasaki  旭川医科大学, 医学部, 助教 (00632126)

Project Period (FY) 2015-04-01 – 2018-03-31
Project Status Completed (Fiscal Year 2017)
Budget Amount *help
¥3,770,000 (Direct Cost: ¥2,900,000、Indirect Cost: ¥870,000)
Fiscal Year 2017: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2016: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2015: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Keywords多包虫症 / 補体 / 多包虫 / 寄生虫 / エキノコックス / 条虫
Outline of Final Research Achievements

Alveolar echinococcosis (AE) is a zoonotic infectious disease caused by the larval stage of the cestode Echinococcus multilocularis. In humans, metacestodes develop asexually like a tumor, mainly in the liver. I identified new genes of the serpin family (serpin) in E. multilocularis using genome and gene data sets, and attempted to determine their functions as inhibitor of complement cascade. As a result, all of three serpins did not show the complement-inhibitory activity. However, I demonstrated the secretion of these gene products from larval stage of E. multilocularis and protein expression in the germinal layer the parasite.

Report

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

    (11 results)

All 2017 2016 2015 Other

All Journal Article (1 results) (of which Peer Reviewed: 1 results,  Acknowledgement Compliant: 1 results) Presentation (8 results) Remarks (2 results)

  • [Journal Article] The putative serine protease inhibitor (serpin) genes encoded on Echinococcus multilocularis genome and their expressions in metacestodal stage.2017

    • Author(s)
      Mizuki Sasaki and Yasuhito Sako
    • Journal Title

      Veterinary Parasitology

      Volume: 233 Pages: 20-24

    • DOI

      10.1016/j.vetpar.2016.11.019

    • NAID

      120006382497

    • Related Report
      2017 Annual Research Report 2016 Research-status Report
    • Peer Reviewed / Acknowledgement Compliant
  • [Presentation] Observation of development of Hymenolepis microstoma larval stage in vitro by co-culture with mammalian cells.2017

    • Author(s)
      Mizuki Sasaki
    • Organizer
      第86回日本寄生虫学会大会
    • Related Report
      2017 Annual Research Report
  • [Presentation] Hymenolepis属条虫の自家感染メカニズムの解明に向けて2017

    • Author(s)
      佐々木 瑞希
    • Organizer
      第25回分子寄生虫学ワークショップ/ 第15回分子寄生虫・マラリア研究フォーラム合同大会
    • Related Report
      2017 Annual Research Report
  • [Presentation] Hymenolepis microstoma 幼虫の成熟における 昆虫細胞との“接触”の意義2016

    • Author(s)
      佐々木瑞希
    • Organizer
      寄生虫学会北日本支部会
    • Place of Presentation
      北里大学獣医学部
    • Year and Date
      2016-10-15
    • Related Report
      2016 Research-status Report
  • [Presentation] 多包虫は宿主の補体活性を阻害する-多包虫セリンプロテアーゼインヒビターのはたらき-2016

    • Author(s)
      佐々木瑞希・迫康仁
    • Organizer
      第85回日本寄生虫学会大会
    • Place of Presentation
      宮崎市民プラザ(宮崎県宮崎市)
    • Year and Date
      2016-03-19
    • Related Report
      2015 Research-status Report
  • [Presentation] Echinococcus multilocularis evades host complement system: the function of E. multilocularis serinprotease inhibitor family.2015

    • Author(s)
      Sasaki M. and Sako Y.
    • Organizer
      第38回日本分子生物学会・第88回日本生化学会合同大会
    • Place of Presentation
      神戸ポートアイランド(兵庫県神戸市)
    • Year and Date
      2015-12-01
    • Related Report
      2015 Research-status Report
  • [Presentation] 多包虫は宿主の補体活性を阻害する-多包虫セリンプロテアーゼインヒビターのはたらき-2015

    • Author(s)
      佐々木瑞希・迫康仁
    • Organizer
      第61回日本寄生虫学会・日本衛生動物学会北日本支部合同大会
    • Place of Presentation
      帯広畜産大学原虫病研究センター(北海道帯広市)
    • Year and Date
      2015-10-10
    • Related Report
      2015 Research-status Report
  • [Presentation] in vitro培養系におけるHymenolepis microstoma幼虫ステージの発育2015

    • Author(s)
      佐々木瑞希
    • Organizer
      第23回分子寄生虫学ワークショップ・第13回マラリア研究フォーラム合同大会
    • Place of Presentation
      帯広畜産大学原虫病研究センター(北海道帯広市)
    • Year and Date
      2015-08-30
    • Related Report
      2015 Research-status Report
  • [Presentation] in vitro培養系におけるHymenolepis microstoma六鉤幼虫の発育2015

    • Author(s)
      佐々木瑞希
    • Organizer
      第9回蠕虫研究会
    • Place of Presentation
      清温荘(岩手県盛岡市)
    • Year and Date
      2015-07-17
    • Related Report
      2015 Research-status Report
  • [Remarks] 旭川医科大学寄生虫学講座ホームページ

    • URL

      https://asahikawa-parasitology.jimdo.com

    • Related Report
      2016 Research-status Report
  • [Remarks] 旭川医科大学寄生虫学講座

    • URL

      http://asahikawa-parasitology.jimdo.com

    • Related Report
      2015 Research-status Report

URL: 

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

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