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The functional changes of Cav3.2 T-type Ca2+ channel and its regulatory factors in a mouse model for irritable bowel syndrome

Research Project

Project/Area Number 15K18882
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeMulti-year Fund
Research Field Pharmacology in pharmacy
Research InstitutionKindai University

Principal Investigator

Tsubota Maho  近畿大学, 薬学部, 講師 (90510123)

Project Period (FY) 2015-04-01 – 2018-03-31
Project Status Completed (Fiscal Year 2017)
Budget Amount *help
¥3,900,000 (Direct Cost: ¥3,000,000、Indirect Cost: ¥900,000)
Fiscal Year 2017: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2016: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2015: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
KeywordsCav3.2 / 過敏性腸症候群 / 結腸過感受性 / T型カルシウムチャネル / 結腸痛
Outline of Final Research Achievements

This study suggest that functional upreguation of Cav3.2 T-channel has occurred in the mice with butyrate-induced IBS, and thereby direct stimulation of TRPV1, indirect activation via PAR2 stimulation, and TRPA1 stimulation might contribute to colonic hyperalgesia. These findings demonstrate that an important suggestion for elucidating the molecular mechanism of the onset of IBS.

Report

(4 results)
  • 2017 Annual Research Report   Final Research Report ( PDF )
  • 2016 Research-status Report
  • 2015 Research-status Report
  • Research Products

    (7 results)

All 2017 2016 2015 Other

All Presentation (6 results) Remarks (1 results)

  • [Presentation] utyrate誘起過敏性腸症候群モデルマウスの知覚神経過敏におけるCav3.2 T型Ca2+チャネルの役割2017

    • Author(s)
      坪田真帆、川畑篤史
    • Organizer
      第45回日本潰瘍学会
    • Related Report
      2017 Annual Research Report
  • [Presentation] Butyrate誘起過敏性腸症候群モデルマウスにおける結腸の知覚神経過敏におけるCav3.2 T型Ca2+チャネルの役割2017

    • Author(s)
      松井和樹、中野真希、友近拳、坪田真帆、川畑篤史
    • Organizer
      生体機能と創薬シンポジウム2017
    • Related Report
      2017 Annual Research Report
  • [Presentation] 結腸痛発症メカニズムの解析:侵害受容ニューロン発現分子TRPV1、PAR2およびCav3.2の役割2017

    • Author(s)
      松井和樹、中野真希、石井優子、寺田侑加、坪田真帆、川畑篤史
    • Organizer
      第90回日本薬理学会年会
    • Related Report
      2017 Annual Research Report 2016 Research-status Report
  • [Presentation] Butyrate誘起過敏性腸症候群モデルマウスにおける結腸痛覚過敏へのCav3.2 T型Ca2+チャネルの関与2016

    • Author(s)
      中野真希、松井和樹、石井優子、坪田真帆、川畑篤史
    • Organizer
      第66回 日本薬学会近畿支部総会・大会
    • Place of Presentation
      大阪薬科大学、高槻市
    • Year and Date
      2016-10-15
    • Related Report
      2016 Research-status Report
  • [Presentation] 結腸痛の発症における侵害受容ニューロン発現分子TRPV1、PAR2およびCav3.2の役割について2016

    • Author(s)
      松井和樹、中野真希、石井優子、寺田侑加、坪田真帆、川畑篤史
    • Organizer
      第129回日本薬理学会近畿部会
    • Place of Presentation
      広島県医師会館、広島市
    • Year and Date
      2016-06-24
    • Related Report
      2016 Research-status Report
  • [Presentation] Butyrate誘起過敏性腸症候群モデルマウスにおける結腸痛覚過敏へのT型Ca2+チャネルおよびHMGB1の関与2015

    • Author(s)
      坪田真帆、石井優子、中野真希、梶谷梨絵、西堀正洋、川畑篤史.
    • Organizer
      第127回日本薬理学会近畿部会
    • Place of Presentation
      長良川国際会議場 岐阜市
    • Year and Date
      2015-06-26
    • Related Report
      2015 Research-status Report
  • [Remarks] 近畿大学薬学部病態薬理学研究室

    • URL

      http://www.phar.kindai.ac.jp/byoutai/

    • Related Report
      2017 Annual Research Report 2016 Research-status Report

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Published: 2015-04-16   Modified: 2020-01-20  

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