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Regulatory mechanisms of appetite center

Research Project

Project/Area Number 17H04372
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypeSingle-year Grants
Section一般
Research Field Functional basic dentistry
Research InstitutionNiigata University

Principal Investigator

Terunuma Miho  新潟大学, 医歯学系, 教授 (50615739)

Co-Investigator(Kenkyū-buntansha) 井上 誠  新潟大学, 医歯学系, 教授 (00303131)
竹林 浩秀  新潟大学, 医歯学系, 教授 (60353439)
南野 徹  新潟大学, 医歯学系, 教授 (90328063)
Project Period (FY) 2017-04-01 – 2020-03-31
Project Status Completed (Fiscal Year 2019)
Budget Amount *help
¥17,290,000 (Direct Cost: ¥13,300,000、Indirect Cost: ¥3,990,000)
Fiscal Year 2019: ¥3,120,000 (Direct Cost: ¥2,400,000、Indirect Cost: ¥720,000)
Fiscal Year 2018: ¥3,120,000 (Direct Cost: ¥2,400,000、Indirect Cost: ¥720,000)
Fiscal Year 2017: ¥11,050,000 (Direct Cost: ¥8,500,000、Indirect Cost: ¥2,550,000)
Keywordsアストロサイト / 視床下部 / 神経炎症 / 糖尿病 / グルコース / 肥満 / 脳・神経
Outline of Final Research Achievements

Metabolic syndrome is a conditions that is associated with diabetes and obesity. It is known that people with metabolic syndrome have altered hypothalamic function due to the dysfunction of astrocytes. This is known to lead to neuroinflammation which can be the cause of various neurodegenerative disorders.
We have recently identified a molecule which regulate the expression of glutamine synthetase, a well known marker for astrocytes, that regulate the amount of glutamate, a major excitatory neurotransmitter in the brain. In this proposal, we examined if our molecule is involved in the regulation of glutamine synthetase expression in hypothalamic astrocytes by using cultured astrocytes and mice.

Academic Significance and Societal Importance of the Research Achievements

視床下部のアストロサイトの食欲における役割についてはまだ明らかになっていない。本研究により、視床下部のアストロサイトと大脳皮質のアストロサイトでは、その特異的マーカーの発現調節機構が異なることが示唆された。このことは、視床下部には特有の分子による発現制御機構が存在していることを意味しており、視床下部のアストロサイトのみを標的とした副作用の少ない薬剤の開発が将来可能になるかもしれない。

Report

(4 results)
  • 2019 Annual Research Report   Final Research Report ( PDF )
  • 2018 Annual Research Report
  • 2017 Annual Research Report
  • Research Products

    (21 results)

All 2020 2019 2018 2017

All Journal Article (3 results) (of which Int'l Joint Research: 2 results,  Peer Reviewed: 2 results,  Open Access: 2 results) Presentation (18 results) (of which Int'l Joint Research: 9 results,  Invited: 2 results)

  • [Journal Article] Direct Interaction of PP2A Phosphatase with GABAB Receptors Alters Functional Signaling.2020

    • Author(s)
      Li X, Terunuma M, Deeb TG, Wiseman S, Pangalos MN, Nairn AC, Moss SJ, Slesinger PA.
    • Journal Title

      Journal of Neuroscience

      Volume: 40(14) Issue: 14 Pages: 2808-2816

    • DOI

      10.1523/jneurosci.2654-19.2020

    • Related Report
      2019 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Diversity of structure and function of GABA<sub>B</sub> receptors: a complexity of GABA<sub>B</sub>-mediated signaling2018

    • Author(s)
      TERUNUMA Miho
    • Journal Title

      Proceedings of the Japan Academy, Series B

      Volume: 94 Issue: 10 Pages: 390-411

    • DOI

      10.2183/pjab.94.026

    • NAID

      130007529109

    • ISSN
      0386-2208, 1349-2896
    • Year and Date
      2018-12-11
    • Related Report
      2018 Annual Research Report
  • [Journal Article] A Role for Prefrontal Cortical NMDA Receptors in Murine Alcohol-Heightened Aggression.2018

    • Author(s)
      Newman EL, Terunuma M, Wang TL, Hewage N, Bicakci MB, Moss SJ, DeBold JF, Miczek KA.
    • Journal Title

      Neuropsychopharmacology

      Volume: 43(6) Issue: 6 Pages: 1224-1234

    • DOI

      10.1038/npp.2017.253

    • Related Report
      2017 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Presentation] Formation and detoxification of ammonia in the human body.2020

    • Author(s)
      Miho Terunuma
    • Organizer
      International Collaborative Symposium on Development of Human Resources in Practical Oral Health and Treatment.
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] GluK3-containing Kainate receptors influence the anxiolytic-like activities in mice.2019

    • Author(s)
      Miho Terunuma
    • Organizer
      6th Congress of Asian College of Neuropsycho pharmacology
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research
  • [Presentation] 健康な脳を維持するために必要なことは?2019

    • Author(s)
      照沼美穂
    • Organizer
      第3回オーラルサイエンス研究会
    • Related Report
      2019 Annual Research Report
  • [Presentation] Ammonia-mediated induction of Alzheimer's disease pathology in astrocytes.2019

    • Author(s)
      Ayaka Komatsu, Sari Kishikawa, Genki Ito, Izumi Iida and Miho Terunuma
    • Organizer
      Neuroscience 2019
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Ammonia induces Alzheimer’s disease pathology in astrocytes.2019

    • Author(s)
      Ayaka Komatsu, Sari Kishikawa, Miho Terunuma
    • Organizer
      2019 ISN-ASN
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Ammonia-induced regulation of glutamine synthetase stability in astrocytes.2019

    • Author(s)
      Sari Kishikawa, Miho Terunuma
    • Organizer
      NEURO2019
    • Related Report
      2019 Annual Research Report
  • [Presentation] Ammonia increases the expression of amyloid precursor protein in astrocytes.2019

    • Author(s)
      Ayaka Komatsu, Sari Kishikawa, Izumi Iida, Fumiko Harada and Miho Terunuma
    • Organizer
      NEURO2019
    • Related Report
      2019 Annual Research Report
  • [Presentation] The effect of hyperglycemia on brain cells.2019

    • Author(s)
      Ayaka Komatsu,Miho Terunuma
    • Organizer
      International Niigata-Taiwan Universities Collaborative Dental Research Symposium
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Neuroprotective role of GABAB receptors against hypoxia.2018

    • Author(s)
      Miho Terunuma
    • Organizer
      2018 GABAB Receptor Conference
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research
  • [Presentation] 脳の健康と食生活2018

    • Author(s)
      照沼美穂
    • Organizer
      歯科基礎医学会
    • Related Report
      2018 Annual Research Report
  • [Presentation] アストロサイトのアンモニア代謝調節機構の解明2018

    • Author(s)
      岸川咲吏,照沼美穂
    • Organizer
      新潟生化学懇話会
    • Related Report
      2018 Annual Research Report
  • [Presentation] カイニン酸型グルタミン酸受容体サブユニットGluK3は細胞種特異的に不安行動を調節する2018

    • Author(s)
      飯田和泉,夏目里恵,阿部学,照沼美穂,﨑村健司
    • Organizer
      新潟生化学懇話会
    • Related Report
      2018 Annual Research Report
  • [Presentation] Ammonium-induced GS degradation undergo proteasome independent pathways2018

    • Author(s)
      Sari Kishikawa, Miho Terunuma
    • Organizer
      WCP2018
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Neuroprotective role of GABAB receptors against hypoxia2018

    • Author(s)
      Miho Terunuma and Stephen J Moss
    • Organizer
      GABAB receptor conference
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research
  • [Presentation] 脳のお掃除屋さん:アストロサイトの様々な機能2018

    • Author(s)
      照沼 美穂
    • Organizer
      N-Hybrid Conference 2018
    • Related Report
      2017 Annual Research Report
  • [Presentation] Identification of novel molecule which involves in glutamine synthetase-mediated ammonium metabolism2017

    • Author(s)
      Miho Terunuma
    • Organizer
      2017年度 生命科学系学会合同年次大会
    • Related Report
      2017 Annual Research Report
  • [Presentation] Blockade of GABAB receptor endocytosis enhances neuroprotection2017

    • Author(s)
      Miho Terunuma
    • Organizer
      ISN-ESN Biennial Meeting 2017
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research
  • [Presentation] 抑制性神経伝達物質の新たな機能2017

    • Author(s)
      照沼 美穂
    • Organizer
      歯科基礎医学会
    • Related Report
      2017 Annual Research Report
    • Invited

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Published: 2017-04-28   Modified: 2021-02-19  

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