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Development of inhibitors based on CaMKK-mediated signal transduction

Research Project

Project/Area Number 21H02429
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypeSingle-year Grants
Section一般
Review Section Basic Section 43030:Functional biochemistry-related
Research InstitutionOkayama University

Principal Investigator

Tokumitsu Hiroshi  岡山大学, ヘルスシステム統合科学学域, 教授 (20237077)

Co-Investigator(Kenkyū-buntansha) 石川 彰彦  岡山大学, 教育学研究科, 教授 (10263617)
渡辺 泰男  昭和薬科大学, 薬学部, 教授 (10273228)
曲 正樹  岡山大学, ヘルスシステム統合科学学域, 助教 (50359882)
Project Period (FY) 2021-04-01 – 2024-03-31
Project Status Completed (Fiscal Year 2023)
Budget Amount *help
¥16,380,000 (Direct Cost: ¥12,600,000、Indirect Cost: ¥3,780,000)
Fiscal Year 2023: ¥4,290,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥990,000)
Fiscal Year 2022: ¥5,330,000 (Direct Cost: ¥4,100,000、Indirect Cost: ¥1,230,000)
Fiscal Year 2021: ¥6,760,000 (Direct Cost: ¥5,200,000、Indirect Cost: ¥1,560,000)
KeywordsCaMKK / 細胞内カルシウムシグナル伝達 / タンパク質リン酸化反応 / キナーゼ / calmodulin / CaMキナーゼカスケード / 細胞内情報伝達 / 阻害剤 / 細胞内カルシウム / リン酸化反応 / 精子 / 細胞内カルシウム信号系 / 酵素阻害薬 / タンパク質リン酸化酵素 / Ca2+シグナル伝達 / 分子間相互作用 / 基質認識機構 / 酵素阻害剤 / カルモデュリン / キナーゼ阻害剤 / 細胞内カルシウム情報伝達 / TIM-063 / 多量体
Outline of Research at the Start

細胞内Ca2+を二次伝達因子とする細胞内シグナル伝達機構において、制御酵素として見出された Ca2+/Calmodulin-依存性キナーゼ・キナーゼ (CaMKK)の分子制御機構の解明とその分子基盤に立脚したCaMKK阻害薬の創製を研究目的とする。具体的には、CaMKKを介したリン酸化情報伝達(CaMKK/CaMKI・CaMKIV経路とCaMKK/5`AMP-活性化キナーゼ経路)の未 解明な活性化(基質認識・分子構造)、不活性化機構(脱リン酸化)、翻訳後修飾(リン酸化・レドックス制御)など詳細な調節機構の解明とCaMKK標的キナーゼの探索から新たなCa2+シグナル経路を見出す。

Outline of Final Research Achievements

Ca2+/calmodulin-dependent protein kinase kinase (CaMKK) phosphorylates and activates downstream protein kinases, including CaMKI, CaMKIV, PKB/Akt, and AMPK; thus, regulates various Ca2+-dependent physiological and pathophysiological pathways. In this study, we have investigated that the mechanism of substrate recognition of CaMKK, the role of CaMKK isoforms in spermatides, the mechanism of complex formation of CaMKK and the Ca2+/calmodulin-dependent interaction of the enzyme inhibitor TIM-063 with CaMKK. Furthermore, a drug discovery cycle method for protein kinase inhibitors using a CaMKK inhibitor, TIM-063, was conducted and a new AAK1 inhibitor was successfully developed.

Academic Significance and Societal Importance of the Research Achievements

本研究によりCa2+/カルモジュリン依存性プロテインキナーゼ(CaMKK)を介した細胞内カルシウムシグナル伝達機構の分子メカニズムと阻害剤との相互作用機構の詳細が明らかとなった。これらの研究により、CaMKKが関与すると考えられる前立腺がんや非アルコール性脂肪性肝疾患、さらには統合失調症や双極性障害などの精神疾患についての分子病態の理解が進み、これら疾患の治療薬開発が前進することが大きく期待される。

Report

(4 results)
  • 2023 Annual Research Report   Final Research Report ( PDF )
  • 2022 Annual Research Report
  • 2021 Annual Research Report
  • Research Products

    (24 results)

All 2024 2023 2022 2021 Other

All Int'l Joint Research (3 results) Journal Article (10 results) (of which Int'l Joint Research: 3 results,  Peer Reviewed: 10 results,  Open Access: 4 results) Presentation (9 results) Remarks (2 results)

  • [Int'l Joint Research] Lund University(スウェーデン)

    • Related Report
      2023 Annual Research Report
  • [Int'l Joint Research] Thomas Jefferson University(米国)

    • Related Report
      2023 Annual Research Report
  • [Int'l Joint Research] Thomas Jefferson University(米国)

    • Related Report
      2021 Annual Research Report
  • [Journal Article] Transcriptional, biochemical, and immunohistochemical analyses of CaMKKβ/2 splice variants that co-localize with CaMKIV in spermatids2024

    • Author(s)
      Ohtsuka Satomi、Miyai Yumi、Mima Hiroyuki、Magari Masaki、Chiba Yoichi、Suizu Futoshi、Sakagami Hiroyuki、Ueno Masaki、Tokumitsu Hiroshi
    • Journal Title

      Cell Calcium

      Volume: 117 Pages: 102820-102820

    • DOI

      10.1016/j.ceca.2023.102820

    • Related Report
      2023 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Development of a novel AAK1 inhibitor via Kinobeads-based screening2024

    • Author(s)
      Yoshida Akari、Ohtsuka Satomi、Matsumoto Fumiya、Miyagawa Tomoyuki、Okino Rei、Ikeda Yumeya、Tada Natsume、Gotoh Akira、Magari Masaki、Hatano Naoya、Morishita Ryo、Satoh Ayano、Sunatsuki Yukinari、Nilsson Ulf J.、Ishikawa Teruhiko、Tokumitsu Hiroshi
    • Journal Title

      Scientific Reports

      Volume: 14 Issue: 1 Pages: 3726-3726

    • DOI

      10.1038/s41598-024-57051-9

    • Related Report
      2023 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] PHI-1, an Endogenous Inhibitor Protein for Protein Phosphatase-1 and a Pan-Cancer Marker, Regulates Raf-1 Proteostasis2023

    • Author(s)
      Kirkbride Jason A.、Nilsson Garbo Young、Kim Jee In、Takeya Kosuke、Tanaka Yoshinori、Tokumitsu Hiroshi、Suizu Futoshi、Eto Masumi
    • Journal Title

      Biomolecules

      Volume: 13 Issue: 12 Pages: 1741-1741

    • DOI

      10.3390/biom13121741

    • Related Report
      2023 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Rapid detection of calmodulin/target interaction via the proximity biotinylation method2023

    • Author(s)
      Nakamura Kento Nlandu、Yamauchi Haruki、Mima Hiroyuki、Chen Yerun、Ohtsuka Satomi、Magari Masaki、Morishita Ryo、Tokumitsu Hiroshi
    • Journal Title

      Biochemical and Biophysical Research Communications

      Volume: 659 Pages: 29-33

    • DOI

      10.1016/j.bbrc.2023.03.072

    • Related Report
      2023 Annual Research Report 2022 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Substrate recognition by Arg/Pro‐rich insert domain in calcium/calmodulin‐dependent protein kinase kinase for target protein kinases2022

    • Author(s)
      Kaneshige Riku、Ohtsuka Satomi、Harada Yuhei、Kawamata Issei、Magari Masaki、Kanayama Naoki、Hatano Naoya、Sakagami Hiroyuki、Tokumitsu Hiroshi
    • Journal Title

      The FEBS Journal

      Volume: 289 Issue: 19 Pages: 5971-5984

    • DOI

      10.1111/febs.16467

    • Related Report
      2022 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Molecular Mechanisms Underlying Ca2+/Calmodulin-Dependent Protein Kinase Kinase Signal Transduction2022

    • Author(s)
      Tokumitsu Hiroshi、Sakagami Hiroyuki
    • Journal Title

      International Journal of Molecular Sciences

      Volume: 23 Issue: 19 Pages: 11025-11025

    • DOI

      10.3390/ijms231911025

    • Related Report
      2022 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] The immunoreceptor <scp>SLAMF8</scp> promotes the differentiation of follicular dendritic cell‐dependent monocytic cells with B cell‐activating ability2022

    • Author(s)
      Magari Masaki、Nishioka Miku、Hari Tomomi、Ogawa Sayaka、Takahashi Kaho、Hatano Naoya、Kanayama Naoki、Futami Junichiro、Tokumitsu Hiroshi
    • Journal Title

      FEBS Letters

      Volume: 596 Issue: 20 Pages: 2659-2667

    • DOI

      10.1002/1873-3468.14468

    • Related Report
      2022 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Oligomerization of Ca2+/calmodulin-dependent protein kinase kinase.2022

    • Author(s)
      Yusei Fukumoto, Yuhei Harada, Satomi Ohtsuka, Naoki Kanayama, Masaki Magari, Naoya Hatano, Hiroyuki Sakagami, Hiroshi Tokumitsu
    • Journal Title

      Biochemical and Biophysical Research Communications

      Volume: 587 Pages: 160-165

    • DOI

      10.1016/j.bbrc.2021.11.105

    • Related Report
      2021 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Conformation-Dependent Reversible Interaction of Ca2+/Calmodulin-Dependent Protein Kinase Kinase with an Inhibitor, TIM-0632022

    • Author(s)
      Satomi Ohtsuka, Taisei Okumura, Yuna Τabuchi, Tomoyuki Miyagawa, Naoki Kanayama, Masaki Magari, Naoya Hatano, Hiroyuki Sakagami, Futoshi Suizu, Teruhiko Ishikawa, Hiroshi Tokumitsu
    • Journal Title

      Biochemistry

      Volume: 61 Pages: 545-553

    • Related Report
      2021 Annual Research Report
    • Peer Reviewed
  • [Journal Article] A temporal Ca<sup>2+</sup> desensitization of myosin light chain kinase in phasic smooth muscles induced by CaMKKβ/PP2A pathways2021

    • Author(s)
      Kitazawa Toshio、Matsui Toshiyasu、Katsuki Shuichi、Goto Akira、Akagi Kai、Hatano Naoya、Tokumitsu Hiroshi、Takeya Kosuke、Eto Masumi
    • Journal Title

      American Journal of Physiology-Cell Physiology

      Volume: 321 Issue: 3 Pages: C549-C558

    • DOI

      10.1152/ajpcell.00136.2021

    • Related Report
      2021 Annual Research Report
    • Peer Reviewed / Int'l Joint Research
  • [Presentation] マウスCaMKKβ スプライシングバリアントの生化学的・組織学的解析2023

    • Author(s)
      大塚 里美、宮井 由美、美馬光志、曲正樹、千葉陽一、水津太、阪上洋行、上野正樹、徳光浩
    • Organizer
      第96回日本生化学会大会(福岡)
    • Related Report
      2023 Annual Research Report
  • [Presentation] 近接ビオチン化法を用いた新規 Calmodulin 相互作用キナーゼの同定2023

    • Author(s)
      山内陽生、中村謙仁ンランドウ、傳田美和子、杉山修世、大塚里美、曲正樹、森下了、徳光浩
    • Organizer
      第64回日本生化学会中国・四国支部例会(松山)
    • Related Report
      2023 Annual Research Report
  • [Presentation] 新規CaMKK阻害剤TIM-063を用いたDrug-repositioning法の開発2022

    • Author(s)
      吉田朱里、大塚里美、泥谷直、田邊史子、森下了、曲正樹、金山直樹、徳光浩
    • Organizer
      第63回 日本生化学会中国・四国支部例会
    • Related Report
      2022 Annual Research Report
  • [Presentation] CaMKKの基質認識機構の解明と特異的阻害分子開発への応用2022

    • Author(s)
      川俣一晟、美馬光志、山内陽生、北前勝哉、山内香奈、大塚里美、曲正樹、金山直樹、徳光浩
    • Organizer
      第95回 日本生化学会大会
    • Related Report
      2022 Annual Research Report
  • [Presentation] キナーゼ阻害剤プロテオミクス法を用いた薬効再評価法の開発2022

    • Author(s)
      大塚里美、吉田朱里、波多野直哉、奥村太晟、澤直樹、田邊史子、傳田美和子、金山直樹、曲正樹、森下了、石川彰彦、徳光浩
    • Organizer
      第95回 日本生化学会大会
    • Related Report
      2022 Annual Research Report
  • [Presentation] 新規CaMKK阻害剤結合担体を用いた酵素・阻害剤相互作用解析2021

    • Author(s)
      大塚 里美, 波多野 直哉, 奥村 太晟, 澤 直樹, 金山 直樹, 曲 正樹, 石川 彰彦, 徳光 浩
    • Organizer
      第62回日本生化学会中国・四国支部例会(岡山)
    • Related Report
      2021 Annual Research Report
  • [Presentation] Ca2+/Calmodulin-dependent protein kinase kinase (CaMKK)の多量体形成2021

    • Author(s)
      福本 侑世, 原田 裕平, 波多野 直哉, 曲 正樹, 金山 直樹, 徳光 浩
    • Organizer
      第62回日本生化学会中国・四国支部例会(岡山)
    • Related Report
      2021 Annual Research Report
  • [Presentation] CaMKK基質認識におけるArg/Pro領域(RP-domain)の役割2021

    • Author(s)
      兼重 陸, 川俣 一晟, 大塚 里美, 波多野 直哉, 曲 正樹, 金山 直樹, 徳光 浩
    • Organizer
      第94回日本生化学大会(横浜・オンライン)
    • Related Report
      2021 Annual Research Report
  • [Presentation] CaMKK阻害剤(TIM-063)を用いた阻害剤プロテオミクス解析2021

    • Author(s)
      大塚 里美, 波多野 直哉, 奥村 太晟, 澤 直樹, 田邊 史子, 傳田 美和子, 金山 直樹, 曲 正樹, 森下 了, 石川 彰彦, 徳光 浩
    • Organizer
      第94回日本生化学大会(横浜・オンライン)
    • Related Report
      2021 Annual Research Report
  • [Remarks] 岡山大学・大学院ヘルスシステム統合科学研究科 細胞機能設計学研究室

    • URL

      https://www.okayama-u.ac.jp/user/saibou/

    • Related Report
      2023 Annual Research Report
  • [Remarks] 岡山大学・大学院ヘルスシステム統合科学研究科 細胞機能設計学

    • URL

      https://www.okayama-u.ac.jp/user/saibou/

    • Related Report
      2022 Annual Research Report 2021 Annual Research Report

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Published: 2021-04-28   Modified: 2025-01-30  

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