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Role of syntaxin1 in glial cells on the interaction between neurons and glial cells

Research Project

Project/Area Number 16K07064
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Neurochemistry/Neuropharmacology
Research InstitutionKyorin University

Principal Investigator

Kofuji Takefumi  杏林大学, 医学部, 助教 (40365200)

Research Collaborator MISHIMA Tatsuya  杏林大学, 医学部, 助教 (40317095)
SAITO Ayako  杏林大学, 医学部, 実験助手 (80424109)
Project Period (FY) 2016-04-01 – 2019-03-31
Project Status Completed (Fiscal Year 2018)
Budget Amount *help
¥4,290,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥990,000)
Fiscal Year 2018: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2017: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2016: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Keywordsシンタキシン1 / グリア細胞 / 神経伝達物質 / トランスポーター / 開口放出 / 神経栄養因子 / 神経科学
Outline of Final Research Achievements

We explored some factors relating to the roles of glial STX1, and examined the physiological functions of glial STX1 using STX1A-KO or STX1B-KO mutant mice. We found that expression of Munc18-1 directly interacting with STX1 or GABA transporter, such as GAT1 or GAT3, was decreased in STX1B-KO glial cells. GABA uptake through above transporters was reduced in STX1B-KO glial cells. On the other hand, above functions in STX1A-KO glial cells were normal unlike STX1B-KO. Morphology of neurons and synaptic formation were not affected by lack of STX1 gene in glial cell

Academic Significance and Societal Importance of the Research Achievements

申請者らが作製したSTX1遺伝子欠損マウスは様々な行動異常を示すが、STX1が神経細胞に加えてグリア細胞にも発現していることから、グリア細胞におけるSTX1の機能を明らかにすることは、高次脳機能の理解のために非常に有用である。本研究において、グリア細胞におけるSTX1がGABAトランスポーターによるGABAの取込を介して、細胞外環境の興奮性と抑制性のバランスを調整していることが明らかとなった。グリア細胞のSTX1機能の一端が明らかになったことは、STX1欠損が惹起する行動異常の基盤機構を理解する一助となり、神経疾患の解明につながることが期待できる。

Report

(4 results)
  • 2018 Annual Research Report   Final Research Report ( PDF )
  • 2017 Research-status Report
  • 2016 Research-status Report
  • Research Products

    (19 results)

All 2018 2017 2016

All Journal Article (3 results) (of which Peer Reviewed: 3 results,  Open Access: 1 results,  Acknowledgement Compliant: 1 results) Presentation (16 results) (of which Int'l Joint Research: 8 results)

  • [Journal Article] Syntaxin 1B contributes to regulation of the dopaminergic system through GABA transmission in the CNS.2017

    • Author(s)
      Fujiwara T, Kofuji T, Mishima T, Akagawa K
    • Journal Title

      Eur J Neurosci.

      Volume: 46 Issue: 12 Pages: 2867-2874

    • DOI

      10.1111/ejn.13779

    • Related Report
      2017 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] A part of patients with autism spectrum disorder has haploidy of HPC-1/syntaxin1A gene that possibly caused behavioral disturbance as in experimentally gene ablated mice.2017

    • Author(s)
      Kofuji T, Hayashi Y, Fujiwara T, Sanada M, Tamaru M, Akagawa K
    • Journal Title

      Neuroscience letters

      Volume: 644 Pages: 5-9

    • DOI

      10.1016/j.neulet.2017.02.052

    • Related Report
      2016 Research-status Report
    • Peer Reviewed
  • [Journal Article] Unusual social behavior in HPC-1/syntaxin1A knockout mice is caused by disruption of the oxytocinergic neural system2016

    • Author(s)
      T Fujiwara, M Sanada, T Kofuj and K Akagawa
    • Journal Title

      J Neurochem

      Volume: 138 Issue: 1 Pages: 117-23

    • DOI

      10.1111/jnc.13634

    • Related Report
      2016 Research-status Report
    • Peer Reviewed / Acknowledgement Compliant
  • [Presentation] Role of syntaxin1 in glial cells on providing supportive functions for neurons through trophic support and transmitter uptake2018

    • Author(s)
      Takefumi Kofuji, Tomonori Fujiwara, Tatsuya Mishima and Kimio Akagawa
    • Organizer
      FENS2018
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Involvement of syntaxin 1B in the fever-associated epilepsy syndromes: Behavioral and neuronal phenotype of syntaxin 1B gene-ablated mice2018

    • Author(s)
      Tatsuya Mishima, Tomonori Fujiwara, Takefumi Kofuji, Yasuo Terao and Kimio Akagawa
    • Organizer
      FENS2018
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Syntaxin1B contributes to regulation of the dopaminergic system through GABA transmission in the CNS2018

    • Author(s)
      Tomonori Fujiwara, Takefumi Kofuji, Tatsuya Mishima and Kimio Akagawa
    • Organizer
      FENS2018
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research
  • [Presentation] HPC-1/syntaxin 1A欠損マウスにおける社会行動障害の解析2018

    • Author(s)
      藤原智徳、小藤剛史、三嶋竜弥、寺尾安生、赤川公朗
    • Organizer
      第95回日本生理学会大会
    • Related Report
      2017 Research-status Report
  • [Presentation] シンタキシン1Bの熱性けいれんへの関与2018

    • Author(s)
      三嶋竜弥、藤原智徳、小藤剛史、寺尾安生、赤川公朗
    • Organizer
      第95回日本生理学会大会
    • Related Report
      2017 Research-status Report
  • [Presentation] シンタキシン1B遺伝子欠損マウスのけいれん表現型の解析2017

    • Author(s)
      三嶋竜弥、藤原智徳、小藤剛史、寺尾安生、赤川公朗
    • Organizer
      第94回日本生理学会大会
    • Place of Presentation
      浜松
    • Year and Date
      2017-03-28
    • Related Report
      2016 Research-status Report
  • [Presentation] NMDA receptor 2B subunit and BK channel may affect mechanical allodynia by regulating the activity of enkepalinergic neurons in the spinal dorsal horn2017

    • Author(s)
      Tanaka S, Kato E, Kofuji T, Fukushima T, Hori Y
    • Organizer
      Experimental Biology 2017
    • Related Report
      2017 Research-status Report
    • Int'l Joint Research
  • [Presentation] Five cases of autism spectrum disorder with syntaxin1A gene haploid2017

    • Author(s)
      Kofuji T, Hayashi Y, Fujiwara T, Tamaru M, Akagawa K
    • Organizer
      14th Asian and Oceanian Congress of Child Neurology
    • Related Report
      2017 Research-status Report
    • Int'l Joint Research
  • [Presentation] シンタキシン1B遺伝子欠損マウスの行動・神経機能の表現型解析:シンタキシン1Bの熱性けいれんへの関与2017

    • Author(s)
      三嶋竜弥、藤原智徳、小藤剛史、寺尾安生、赤川公朗
    • Organizer
      第40回日本神経科学大会
    • Related Report
      2017 Research-status Report
  • [Presentation] Seizure phenotype in syntaxin1B gene ablated mice was associated with GABAergic system.2017

    • Author(s)
      小藤剛史、藤原智徳、三嶋竜弥、赤川公朗
    • Organizer
      第60回日本神経化学会
    • Related Report
      2017 Research-status Report
  • [Presentation] HPC-1/syntaxin1A regulates reciprocal feedforward interactions between DA and OXT systems, which, in turn, affect social behavior2017

    • Author(s)
      Fujiwara T, Kofuji T, Mishima T, Terao Y, Akagawa K
    • Organizer
      Neuroscience2017
    • Related Report
      2017 Research-status Report
    • Int'l Joint Research
  • [Presentation] Disturbance of HPC-1/syntaxin1A gene expression and variation of its gene number are highly associated with autism spectrum disorder2017

    • Author(s)
      Kofuji T, Fujiwara T, Mishima T, Sanada M, Hayashi Y, Tamaru M, Terao Y, Akagawa K
    • Organizer
      Neuroscience2017
    • Related Report
      2017 Research-status Report
    • Int'l Joint Research
  • [Presentation] A study on the behavioral and neuronal phenotype of syntaxin 1B gene-ablated mice: Involvement of syntaxin 1B in the feve-associated epilepsy syndromes2017

    • Author(s)
      Mishima T, Fujiwara T, Kofuji T, Terao Y, Akagawa K
    • Organizer
      Neuroscience2017
    • Related Report
      2017 Research-status Report
    • Int'l Joint Research
  • [Presentation] Disturbance of HPC-1/syntaxin1A gene expression and its CNV cause autistic spectrum disorder2016

    • Author(s)
      小藤剛史、藤原智徳、真田ますみ、三嶋竜弥、林優子、田丸政男、赤川公朗
    • Organizer
      第59回日本神経化学会
    • Place of Presentation
      福岡
    • Year and Date
      2016-09-08
    • Related Report
      2016 Research-status Report
  • [Presentation] HPC-1/syntaxin1A is one of causing gene for autistic spectrum disorder2016

    • Author(s)
      藤原智徳、小藤剛史、三嶋竜弥、林優子、田丸政男、赤川公朗
    • Organizer
      第39回日本神経科学大会
    • Place of Presentation
      横浜
    • Year and Date
      2016-07-20
    • Related Report
      2016 Research-status Report
  • [Presentation] Syntaxin1A遺伝子の欠損を認めた自閉症スペクトラムの5症例2016

    • Author(s)
      林優子、小藤剛史、田丸政男、赤川公朗
    • Organizer
      第58回日本小児神経学会学術集会
    • Place of Presentation
      東京
    • Year and Date
      2016-06-03
    • Related Report
      2016 Research-status Report

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Published: 2016-04-21   Modified: 2020-03-30  

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