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Development of IP3 clamp method

Research Project

Project/Area Number 15K15027
Research Category

Grant-in-Aid for Challenging Exploratory Research

Allocation TypeMulti-year Fund
Research Field General physiology
Research InstitutionThe University of Electro-Communications

Principal Investigator

Shirakawa Hideki  電気通信大学, 大学院情報理工学研究科, 准教授 (40241070)

Project Period (FY) 2015-04-01 – 2017-03-31
Project Status Completed (Fiscal Year 2016)
Budget Amount *help
¥3,770,000 (Direct Cost: ¥2,900,000、Indirect Cost: ¥870,000)
Fiscal Year 2016: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
Fiscal Year 2015: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
Keywordsカルシウムシグナリング / オプトジェネティクス / イノシトール三リン酸 / 細胞内カルシウム
Outline of Final Research Achievements

Protein-based molecular tools were developed, aiming to establish the IP3 clamp method, a novel technique to control the intracellular IP3 concentrations in living cells by light. It was shown that the combination of human phospholipase C and plant photoreceptor proteins could give the photoactivatability to an IP3-producing enzyme. We also developed fluorescent IP3 probes that have favorable excitation/emission wavelengths to be used with photoactivatable enzymes in the IP3 clamp system.

Report

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

    (7 results)

All 2017 2016 2015

All Journal Article (2 results) (of which Peer Reviewed: 2 results) Presentation (5 results) (of which Int'l Joint Research: 4 results,  Invited: 1 results)

  • [Journal Article] Calcium signaling in mammalian eggs at fertilization2016

    • Author(s)
      Hideki Shirakawa, Takashi Kikuchi, Masahiko Ito
    • Journal Title

      Current Topics in Medicinal Chemistry

      Volume: 16 Pages: 2664-2676

    • Related Report
      2016 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Calcium Signaling in Mammalian Eggs at Fertilization2016

    • Author(s)
      Hideki Shirakawa, Takashi Kikuchi, Masahiko Ito
    • Journal Title

      Current Topics in Medicinal Chemistry

      Volume: 26 Pages: 1-13

    • Related Report
      2015 Research-status Report
    • Peer Reviewed
  • [Presentation] Role of luminal Ca2+ binding proteins in the pattern formation of Ca2+ oscillations in mammalian eggs2017

    • Author(s)
      Takasuke Murata, Takashi Kikuchi, Hideki Shirakawa
    • Organizer
      第94回日本生理学会
    • Place of Presentation
      アクトシティ浜松(静岡・浜松)
    • Year and Date
      2017-03-28
    • Related Report
      2016 Annual Research Report
  • [Presentation] Functional requirements of interdomain interactions for the enzymatic activity of PLCzeta2016

    • Author(s)
      Noriyuki Yamada, Takuya Tuda, Hideki Shirakawa
    • Organizer
      The 22nd International Congress of Zoology
    • Place of Presentation
      沖縄コンベンションセンター(沖縄・宜野湾)
    • Year and Date
      2016-11-17
    • Related Report
      2016 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Calcium oscillation-dependent dynamics of cortical actin filaments in mouse eggs2016

    • Author(s)
      Takashi Yoshida, Hideki Shirakawa
    • Organizer
      The 22nd International Congress of Zoology
    • Place of Presentation
      沖縄コンベンションセンター(沖縄・宜野湾)
    • Year and Date
      2016-11-17
    • Related Report
      2016 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Mechanism for the generation of fast and slow Ca2+ oscillations in mouse eggs2015

    • Author(s)
      Hideki Shirakawa, Takashi Kikuchi, Noriyuki Yamada, Takuya Tsuda
    • Organizer
      Oocyte Maturation and Fertilization Meeting IV
    • Place of Presentation
      Asamushi, Aomori
    • Year and Date
      2015-06-18
    • Related Report
      2015 Research-status Report
    • Int'l Joint Research / Invited
  • [Presentation] Measurement and analysis of changes in the ER Ca2+ concentration during Ca2+ oscillations in mouse eggs2015

    • Author(s)
      Takashi Kikuchi, Takasuke Murata, Hideki Shirakawa
    • Organizer
      Oocyte Maturation and Fertilization Meeting IV
    • Place of Presentation
      Asamushi, Aomori
    • Year and Date
      2015-06-17
    • Related Report
      2015 Research-status Report
    • Int'l Joint Research

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Published: 2015-04-16   Modified: 2018-03-22  

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