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Modulatory influence of ovariectomy on orofacial neuropathic pain in rats

Research Project

Project/Area Number 22592256
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field Surgical dentistry
Research InstitutionOsaka University

Principal Investigator

SUGIMURA Mitsutaka  大阪大学, 大学院・歯学研究科, 准教授 (90244954)

Co-Investigator(Kenkyū-buntansha) NIWA Hitoshi  大阪大学, 大学院・歯学研究科, 教授 (30218250)
Project Period (FY) 2010 – 2012
Project Status Completed (Fiscal Year 2012)
Budget Amount *help
¥4,550,000 (Direct Cost: ¥3,500,000、Indirect Cost: ¥1,050,000)
Fiscal Year 2012: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2011: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2010: ¥2,600,000 (Direct Cost: ¥2,000,000、Indirect Cost: ¥600,000)
Keywords卵巣摘出 / 更年期 / 神経障害性疼痛 / 三叉神経 / 女性ホルモン / 口腔顔面痛 / エストロゲン / 漢方 / 神経因性疼痛 / 機械的刺激 / リアルタイムPCR
Research Abstract

We studied the effects of goshajinkigan (GJG) on mechanical hypersensitivity in ovariectomized rats with infraorbital nerve injury using the von Frey test. The results showed the potential development of gradual analgesic action with chronic administration of GJG. In addition, a difference was apparent between the ovariectomy and sham operation groups, and thus ovariectomy itself may reduce the analgesic effect induced by GJG. Examination of the effects of estradiol (Es) replacement in the same model indicated that Es acted to aggravate acute inflammation while mitigating chronic conditions such as neuropathic pain.

Report

(4 results)
  • 2012 Annual Research Report   Final Research Report ( PDF )
  • 2011 Annual Research Report
  • 2010 Annual Research Report
  • Research Products

    (8 results)

All 2012 2011 Other

All Presentation (8 results)

  • [Presentation] 卵巣摘出ラットに発症させた神経障害性疼痛に対する牛車腎気丸の効果2012

    • Author(s)
      山形和彰、杉村光隆、吉田好妃、瀧 邦 高、丹羽 均
    • Organizer
      第17回日本口腔顔面痛学会
    • Place of Presentation
      東京、慶應義塾大学病院
    • Year and Date
      2012-11-03
    • Related Report
      2012 Final Research Report
  • [Presentation] 卵巣摘出ラットに発症させた神経障害性疼痛に対する牛車腎気丸の効果2012

    • Author(s)
      山形和彰、杉村光隆、吉田好妃、瀧 邦 高、丹羽 均
    • Organizer
      第40回日本歯科麻酔学会
    • Place of Presentation
      福岡,アクロス福岡
    • Year and Date
      2012-10-06
    • Related Report
      2012 Final Research Report
  • [Presentation] Trigeminal neuropathic pain-related behavior in ovariectomized rats2012

    • Author(s)
      Yoshida M, Sugimura M, Yamagata K, Niwa H
    • Organizer
      第59回日本麻酔科学会
    • Place of Presentation
      神戸, 神戸ポートピアホテル 神戸国際展示場
    • Year and Date
      2012-06-08
    • Related Report
      2012 Final Research Report
  • [Presentation] 卵巣摘出動物の口 腔顔面領域の神経因性疼痛による行動学的変化2011

    • Author(s)
      杉村光隆,丹羽 均
    • Organizer
      第39回日本歯科麻酔学会総会・学術集会
    • Place of Presentation
      神戸市,神戸国際会議場
    • Year and Date
      2011-10-09
    • Related Report
      2012 Final Research Report
  • [Presentation] 卵巣摘出動物の口腔顔面領域の神経因性疼痛による行動学的変化2011

    • Author(s)
      杉村光隆, 丹羽均
    • Organizer
      第39回日本歯科麻酔学会総会・学術集会
    • Place of Presentation
      神戸国際会議場(神戸市)
    • Year and Date
      2011-10-09
    • Related Report
      2011 Annual Research Report
  • [Presentation] Trigeminal neuropathic pain-related behavior in ovariectomized rats

    • Author(s)
      Yoshida M, Sugimura M, Yamagata K, Niwa H
    • Organizer
      第59回日本麻酔科学会
    • Place of Presentation
      神戸, 神戸ポートピアホテル 神戸国際展示場
    • Related Report
      2012 Annual Research Report
  • [Presentation] 卵巣摘出ラットに発症させた神経障害性疼痛に対する牛車腎気丸の効果

    • Author(s)
      山形和彰、杉村光隆、吉田好妃、瀧 邦高、丹羽 均
    • Organizer
      第40回日本歯科麻酔学会
    • Place of Presentation
      福岡、アクロス福岡
    • Related Report
      2012 Annual Research Report
  • [Presentation] 卵巣摘出ラットに発症させた神経障害性疼痛に対する牛車腎気丸の効果

    • Author(s)
      山形和彰、杉村光隆、吉田好妃、瀧 邦高、丹羽 均
    • Organizer
      第17回日本口腔顔面痛学会
    • Place of Presentation
      東京、慶應義塾大学病院
    • Related Report
      2012 Annual Research Report

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Published: 2010-08-23   Modified: 2019-07-29  

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