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The elucidation of central chemosensitive respiratory regulation by TRP channels expressed in glial cell.

Research Project

Project/Area Number 23590292
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Environmental physiology (including Physical medicine and Nutritional physiology)
Research InstitutionHyogo Medical University

Principal Investigator

HIRATA Yutaka  兵庫医科大学, 医学部, 講師 (10441247)

Co-Investigator(Kenkyū-buntansha) OKU Yoshitaka  兵庫医科大学, 医学部, 教授 (20252512)
KUBO Shuji  兵庫医科大学, 医学部, 准教授 (10441320)
Project Period (FY) 2011 – 2013
Project Status Completed (Fiscal Year 2013)
Budget Amount *help
¥5,200,000 (Direct Cost: ¥4,000,000、Indirect Cost: ¥1,200,000)
Fiscal Year 2013: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
Fiscal Year 2012: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2011: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
KeywordsTRP / 中枢性呼吸調節 / グリア細胞 / 二酸化炭素 / 延髄 / 中枢化学受容器 / 呼吸調節 / カルシウム応答 / ATP
Research Abstract

The central chemosensitive respiratory regulation in medulla of brainstem is important in the maintenance of blood gas and pH homeostasis. We reported that transient receptor potential (TRP) channel family was involved in hypercapnic Ca responses in medullary glial cells. To identify the subtype of the TRP channels as central chemosensing molecules, we detected the expression pattern of TRP channel family in medullary glial cells. TRP-X subtype channel is highest expression in medullary glial cells. In comparison with wild-type mice, the effects of ventilation response to 8%CO2 on TRP-X knockout mice attenuated. These results suggest that the TRP-X channel is involved in the central chemosensitive respiratory regulation.

Report

(4 results)
  • 2013 Annual Research Report   Final Research Report ( PDF )
  • 2012 Research-status Report
  • 2011 Research-status Report
  • Research Products

    (6 results)

All 2012 2011 Other

All Presentation (4 results) Remarks (2 results)

  • [Presentation] TRPチャネルが関与する、ラット延髄由来グリア細胞における高CO2負荷に対する細胞外pH非依存的なCa応答2012

    • Author(s)
      平田豊, 越久仁敬
    • Organizer
      第85回日本薬理学会年会
    • Place of Presentation
      京都
    • Year and Date
      2012-03-14
    • Related Report
      2013 Final Research Report
  • [Presentation] TRPチャネルが関与する延髄由来グリア細胞における高CO2負荷に対する細胞外pH非依存的なCa応答2012

    • Author(s)
      平田豊、越久仁敬
    • Organizer
      第85回日本薬理学会年会
    • Place of Presentation
      国立京都国際会館(京都)
    • Related Report
      2011 Research-status Report
  • [Presentation] TRP channels are involved in mediating hypercapnic Ca2+ responses in rat glia-rich medullary cultures independent of extracellular pH2011

    • Author(s)
      平田豊, 越久仁敬
    • Organizer
      第34回日本分子生物学会年会
    • Place of Presentation
      横浜
    • Year and Date
      2011-12-13
    • Related Report
      2013 Final Research Report
  • [Presentation] Glial TRP involved in hypercapnic Ca responses2011

    • Author(s)
      平田豊、越久仁敬
    • Organizer
      第34回日本分子生物学会年会
    • Place of Presentation
      パシフィコ横浜(横浜)
    • Related Report
      2011 Research-status Report
  • [Remarks] ホームページ

    • URL

      http://www.hyo-med.ac.jp/research_facilities/reserch/physiology1.html

    • Related Report
      2013 Final Research Report
  • [Remarks] 研究内容の概要

    • URL

      http://www.hyo-med.ac.jp/research_facilities/reserch/physiology1.html

    • Related Report
      2013 Annual Research Report

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Published: 2011-08-05   Modified: 2019-07-29  

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