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Elucidating mechanism of protection of saponins from Ginseng Panax against oxidative stress.

Research Project

Project/Area Number 20590701
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field General internal medicine (including Psychosomatic medicine)
Research InstitutionEhime University

Principal Investigator

SUZUKI Yoji  Ehime University, 大学院・医学系研究科, 講師 (20226567)

Co-Investigator(Kenkyū-buntansha) MITSUDA Noriaki  愛媛大学, 大学院・医学系研究科, 教授 (10314329)
OKUBO Nobutaka  愛媛大学, 大学院・医学系研究科, 講師 (10432791)
Project Period (FY) 2008 – 2010
Project Status Completed (Fiscal Year 2010)
Budget Amount *help
¥4,680,000 (Direct Cost: ¥3,600,000、Indirect Cost: ¥1,080,000)
Fiscal Year 2010: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2009: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2008: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
Keywords老年医学 / 酸化ストレス / 赤血球 / 紅参由来サポニン / 血液レオロジー / アンチエイジング
Research Abstract

Circulating erythrocytes are constantly exposed to oxidative stress as a result of the high cellular concentration of oxygen and hemoglobin, which is a source of the reactive oxygen species. Exposure to oxidative stress dramatically alters the function of the erythrocyte membrane, such as elevation of viscosity, decrease of deformability. Saponins (especially ginsenosides Rg2 & Rh1) from Ginseng Panax protect the rheological functions of erythrocytes against oxidative stress by preventing the oxidation of SH-groups in band 3 protein. The glucose metabolism were suggested to participate in mechanism of protections.

Report

(4 results)
  • 2010 Annual Research Report   Final Research Report ( PDF )
  • 2009 Annual Research Report
  • 2008 Annual Research Report
  • Research Products

    (12 results)

All 2011 2010 2009 2008 Other

All Journal Article (3 results) (of which Peer Reviewed: 3 results) Presentation (8 results) Remarks (1 results)

  • [Journal Article] Apolipoprotein E and peptide mimetics modulate inflammation by binding the SET protein and activating protein phosphatase 2A.2011

    • Author(s)
      Christensen DJ, Ohkubo N, Oddo J, Van Kanegan MJ, Neil J, Li F, Cotton CA, Vitek MP.
    • Journal Title

      J Immunol. 186

      Pages: 2535-2542

    • Related Report
      2010 Final Research Report
    • Peer Reviewed
  • [Journal Article] Protective effect of ginsenosides Rg (2) and Rh (1) on oxidation-induced impairment of erythrocyte membrane properties.2008

    • Author(s)
      Samukawa K, Suzuki Y, Ohkubo N, Aoto M, Sakanaka M, Mitsuda N
    • Journal Title

      Biorheology 45

      Pages: 689-700

    • Related Report
      2010 Final Research Report
    • Peer Reviewed
  • [Journal Article] Protective effect of ginsenosides Rg2 and Rh1 on oxidation-induced impairment of erythrocyte membrane properties2008

    • Author(s)
      Samukawa K, Suzuki Y, et al
    • Journal Title

      Biorheology 45

      Pages: 689-700

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Presentation] 血液保存における赤血球レオロジー機能障害と紅蔘由来サポニンの効果2010

    • Author(s)
      鈴木洋司
    • Organizer
      第33回日本バイオレオロジー学会年会
    • Place of Presentation
      理化学研究所(和光市)
    • Year and Date
      2010-06-04
    • Related Report
      2010 Annual Research Report
  • [Presentation] 血液保存における赤血球レオロジー機能障害と紅蔘由来サポニンの効果2010

    • Author(s)
      鈴木洋司
    • Organizer
      第33回日本バイオレオロジー学会年会
    • Place of Presentation
      和光
    • Related Report
      2010 Final Research Report
  • [Presentation] 紅蔘由来サポニンの血液保存時の機能障害に対する保護効果2010

    • Author(s)
      河野広貴, 他
    • Organizer
      第32回日本生理学会中国四国地方会
    • Place of Presentation
      出雲
    • Related Report
      2010 Final Research Report
  • [Presentation] 酸化ストレスによる赤血球レオロジー機能障害と紅参由来サポニンによる保護機構の解明2009

    • Author(s)
      鈴木洋司
    • Organizer
      第32回日本バイオレオロジー学会年会
    • Place of Presentation
      群馬大学(群馬県桐生市)
    • Year and Date
      2009-06-05
    • Related Report
      2009 Annual Research Report
  • [Presentation] 酸化ストレスによる赤血球レオロジー機能障害と紅参由来サポニンによる保護機構の解明2009

    • Author(s)
      鈴木洋司
    • Organizer
      第32回日本バイオレオロジー学会年会
    • Place of Presentation
      桐生
    • Related Report
      2010 Final Research Report
  • [Presentation] Effect of ginsenosides on theological functions of erythrocytes against oxidative stress.2009

    • Author(s)
      鈴木洋司
    • Organizer
      第36回国際生理学会世界大会
    • Place of Presentation
      Kyoto
    • Related Report
      2010 Final Research Report
  • [Presentation] 酸化ストレスによる赤血球膜の酸化障害とGinseng由来サポニンの保護効果2008

    • Author(s)
      鈴木洋司
    • Organizer
      第30回日本生理学会中国四国地方会
    • Place of Presentation
      松山
    • Year and Date
      2008-11-15
    • Related Report
      2010 Final Research Report
  • [Presentation] 酸化ストレスによる赤血球レオロジー機能障害および紅参由来サポニン分画の保護効果2008

    • Author(s)
      鈴木 洋司
    • Organizer
      第31回日本バイオレオロジー学会年会
    • Place of Presentation
      東京大学(東京都)
    • Year and Date
      2008-06-06
    • Related Report
      2008 Annual Research Report
  • [Remarks] ホームページ等

    • Related Report
      2010 Final Research Report

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Published: 2008-04-01   Modified: 2016-04-21  

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