• Search Research Projects
  • Search Researchers
  • How to Use
  1. Back to previous page

Regulatory mechanism of depression and anxiety via the control of axonal branch formation

Research Project

Project/Area Number 17K07086
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Nerve anatomy/Neuropathology
Research InstitutionTokyo Metropolitan Institute of Medical Science

Principal Investigator

SHIMADA Tadayuki  公益財団法人東京都医学総合研究所, 精神行動医学研究分野, 主席研究員 (80379552)

Project Period (FY) 2017-04-01 – 2021-03-31
Project Status Completed (Fiscal Year 2020)
Budget Amount *help
¥4,940,000 (Direct Cost: ¥3,800,000、Indirect Cost: ¥1,140,000)
Fiscal Year 2019: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Fiscal Year 2018: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2017: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
Keywordsうつ・不安 / セロトニン / 軸索分枝形成 / FGFシグナル / ストレス / うつ・不安行動 / うつ・不安障害 / ストレス応答 / 神経軸索分枝形成 / セロトニン・ノルアドレナリン / 神経解剖学
Outline of Final Research Achievements

We have investigated the relationship between Neuritin-mediated axonal branch formation in serotonin neuron and high anxiety/depressive behavior in mouse. As the results, we found that Neuritin-mediated activation of FGF signal promoted the axonal branch formation in serotonin neurons.
In addition, chronic stress condition or administration of FGF signal inhibitor to mice decreased the axonal fiber density of serotonin neuron in baso-lateral amygdalae, inducing high anxiety/depressive behavior in the animals.
Based on these results we hypothesized that stress condition on mouse decreased the expression level of Neuritin, resulting in the less dense axonal fibers of serotonin neuron. This axonal changes cause high anxiety/depressive behavior in the animals.

Academic Significance and Societal Importance of the Research Achievements

抗うつ・抗不安薬に関する研究から、セロトニンシグナルが重要な寄与を果たしていることは知られているが、具体的なメカニズムは不明である。本研究はセロトニン神経の軸索密度の変化がうつ・不安様行動を誘発することを示唆した。また、軸索密度を制御するメカニズムについても明らかにした。
このことは、新たなうつ・不安治療のターゲットを提示するものであり、メカニズムの解明は治療薬の開発にもつながるものである。

Report

(5 results)
  • 2020 Annual Research Report   Final Research Report ( PDF )
  • 2019 Research-status Report
  • 2018 Research-status Report
  • 2017 Research-status Report
  • Research Products

    (19 results)

All 2020 2019 2018 2017 Other

All Journal Article (6 results) (of which Int'l Joint Research: 2 results,  Peer Reviewed: 5 results,  Open Access: 3 results) Presentation (10 results) (of which Int'l Joint Research: 5 results) Remarks (3 results)

  • [Journal Article] Syntenin: PDZ Protein Regulating Signaling Pathways and Cellular Functions2019

    • Author(s)
      Tadayuki Shimada, Shin Yasuda, Hiroko Sugiura, and Kanato Yamagata.
    • Journal Title

      International Journal of Molecular Science

      Volume: 20(17) Issue: 17 Pages: 4171-4171

    • DOI

      10.3390/ijms20174171

    • Related Report
      2019 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Gradient-reading and mechano-effector machinery for netrin-1-induced axon guidance.2018

    • Author(s)
      Baba K, Yoshida W, Toriyama M, Shimada T, Manning CF, Saito M, Kohno K, Trimmer JS, Watanabe R, Inagaki N.
    • Journal Title

      eLife

      Volume: 7

    • DOI

      10.7554/elife.34593

    • NAID

      120006500834

    • Related Report
      2018 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Pentylenetetrazole-Induced Kindling Mouse Model.2018

    • Author(s)
      Shimada T, Yamagata K.
    • Journal Title

      Journal of Visualized Experiments

      Volume: 12 Issue: 136 Pages: 136-136

    • DOI

      10.3791/56573

    • Related Report
      2018 Research-status Report
    • Peer Reviewed
  • [Journal Article] Role of neuritin in retinal ganglion cell death in adult mice following optic nerve injury.2018

    • Author(s)
      Azuchi Y, Namekata K, Shimada T, Guo X, Kimura A, Harada C, Saito A, Yamagata K, Harada T.
    • Journal Title

      Scientific Reports

      Volume: 8 Issue: 1 Pages: 10132-10132

    • DOI

      10.1038/s41598-018-28425-7

    • Related Report
      2018 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] 自閉症におけるシナプス異常の新知見2018

    • Author(s)
      山形 要人、杉浦 弘子、島田 忠之
    • Journal Title

      細胞

      Volume: 50 Pages: 17-20

    • Related Report
      2018 Research-status Report
  • [Journal Article] Pentylenetetrazole-Induced Kindling Mouse Model2018

    • Author(s)
      Tadayuki Shimada and *Kanato Yamagata
    • Journal Title

      Journal of Visualized Experiments

      Volume: 印刷中

    • Related Report
      2017 Research-status Report
    • Peer Reviewed / Int'l Joint Research
  • [Presentation] Astrocyte-mediated social memory deficiency in tubular sclerosis complex model mouse2020

    • Author(s)
      Tadayuki Shimada, Hiroko Sugiura, and Kanato Yamagata
    • Organizer
      FENS 2020
    • Related Report
      2020 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Astrocyte-mediated impaired social memory in tubular sclerosis complex model mouse2020

    • Author(s)
      Tadayuki Shimada, Hiroko Sugiura, and Kanato Yamagata
    • Organizer
      第63回日本神経化学会大会
    • Related Report
      2020 Annual Research Report
  • [Presentation] Inhibition of Rheb improved abnormal social behavior in astrocyte-specific Tsc1 knockout mice.2019

    • Author(s)
      Tadayuki Shimada, Hiroko Sugiura, and Kanato Yamagata
    • Organizer
      42nd Annual Meeting of the Japan Neuroscience Society
    • Related Report
      2019 Research-status Report
    • Int'l Joint Research
  • [Presentation] Inhibition of Rheb improved abnormal social behavior in astrocyte-specific Tsc1 knockout mice2019

    • Author(s)
      Tadayuki Shimada, Hiroko Sugiura, and Kanato Yamagata
    • Organizer
      第42回日本神経科学大会
    • Related Report
      2018 Research-status Report
  • [Presentation] Memory impairment in astrocyte-specific Tsc1 knockout mice was recovered by Rheb inhibition2018

    • Author(s)
      Tadayuki Shimada, Hiroko Sugiura, and Kanato Yamagata
    • Organizer
      22nd Biennial Meeting of the International Society for Developmental Neuroscience
    • Related Report
      2018 Research-status Report
    • Int'l Joint Research
  • [Presentation] アストロサイト特異的Tsc1ノックアウトマウスにおける記憶障害のメカニズム2018

    • Author(s)
      Tadayuki Shimada, Hiroko Sugiura, and Kanato Yamagata
    • Organizer
      第61回日日本神経化学会大会
    • Related Report
      2018 Research-status Report
  • [Presentation] Loss of neuritin accelerates RGC loss and retinal degeneration in adult mice following optic nerve injury2018

    • Author(s)
      Yuriko Azuchi, Kazuhiko Namekata, Tadayuki Shimada, Xiaoli Guo, Atsuko Kimura, Chikako Harada, Atsuko Nishigaki, Kanato Yamagata, Takayuki Harada
    • Organizer
      48th Annual Meeting of the Society for Neuroscience
    • Related Report
      2018 Research-status Report
    • Int'l Joint Research
  • [Presentation] Memory impairment in astrocyte-specific Tsc1 knockout mice was recovered by Rheb inhibition2018

    • Author(s)
      Tadayuki Shimada, Hiroko Sugiura, and Kanato Yamagata
    • Organizer
      22nd Biennial Meeting of the International Society for Developmental Neuroscience
    • Related Report
      2017 Research-status Report
    • Int'l Joint Research
  • [Presentation] アストロサイト特異的Tsc1欠損マウスにおける神経膠症と行動異常2017

    • Author(s)
      島田忠之 杉浦弘子 山形要人
    • Organizer
      第58回日本神経病理学会総会学術研究会
    • Related Report
      2017 Research-status Report
  • [Presentation] Astrocyte-specific Tsc1 knockout mice show abnormal behavior and harbor severe gliosis2017

    • Author(s)
      Tadayuki Shimada, Hiroko Sugiura, and Kanato Yamagata
    • Organizer
      第40回日本神経科学大会
    • Related Report
      2017 Research-status Report
  • [Remarks] こどもの脳プロジェクト

    • URL

      https://www.igakuken.or.jp/development/

    • Related Report
      2020 Annual Research Report
  • [Remarks] シナプス可塑性

    • URL

      http://www.igakuken.or.jp/plasticity/index.html

    • Related Report
      2019 Research-status Report
  • [Remarks] 所属研究室ウェブサイト

    • URL

      http://www.igakuken.or.jp/plasticity/

    • Related Report
      2018 Research-status Report 2017 Research-status Report

URL: 

Published: 2017-04-28   Modified: 2022-01-27  

Information User Guide FAQ News Terms of Use Attribution of KAKENHI

Powered by NII kakenhi