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A role of the neutral cholesterol esterase in the cholesterol metabolism in the brain

Research Project

Project/Area Number 19590056
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field Biological pharmacy
Research InstitutionChiba University

Principal Investigator

ITSUKO Ishii  Chiba University, 大学院・薬学研究院, 准教授 (00202929)

Co-Investigator(Kenkyū-buntansha) 北田 光一  千葉大学, 医学部附属病院, 教授 (90110345)
有吉 範高  千葉大学, 医学部附属病院, 准教授 (00243957)
Co-Investigator(Renkei-kenkyūsha) KITADA Kouichi  千葉大学, 医学部・附属病院, 教授 (90110345)
ARIYOSHI Noritaka  千葉大学, 医学部・附属病院, 准教授 (00243957)
Project Period (FY) 2007 – 2008
Project Status Completed (Fiscal Year 2008)
Budget Amount *help
¥4,550,000 (Direct Cost: ¥3,500,000、Indirect Cost: ¥1,050,000)
Fiscal Year 2008: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2007: ¥2,990,000 (Direct Cost: ¥2,300,000、Indirect Cost: ¥690,000)
Keywordsコレステロール / 脳 / 中性コレステロールエスエラーゼ / スタチン / 中性コレステロールエステラーゼ / マウス
Research Abstract

脳は血液脳関門(BBB)もよって体循環から隔離されており, 独自のコレステロールde novo合成経路が発達しており, 体循環と隔離されているとされてきた。しかし、本研究でマウスに高コレステロール食を給餌すると、血中のコレステロール値が上昇し、長期投与で体重が減少し、脳内のBBBの透過性が高まることが明らかになった。また、脳内での中性コレステロールエスエラーゼを介したコレステロールのリサイクルの系も存在することが明らかになった。

Report

(3 results)
  • 2008 Annual Research Report   Final Research Report ( PDF )
  • 2007 Annual Research Report
  • Research Products

    (12 results)

All 2009 2008 2007

All Journal Article (9 results) (of which Peer Reviewed: 8 results) Presentation (3 results)

  • [Journal Article] Growth inhibition and differentiation of cultured smooth muscle cells depend on cellular crossbridges across the tubular lumen of type I collagen matrix honeycombs2009

    • Author(s)
      Suzuki T, Ishii I, Kotani A, Masuda M, Hirata K, Ueda M, Ogata T, Sakai T, Ariyoshi N, Kitada M
    • Journal Title

      Microvasc Res 77(2)

      Pages: 143-9

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Acrolein, IL-6 and CRP as markers of silent brain infarction2009

    • Author(s)
      Yoshida M, Tomitori H, Machi Y, Katagiri D, Ueda S, Horiguchi K, Kobayashi E, Saeki N, Nishimura K, Ishii I, Kashiwagi K, Igarashi K
    • Journal Title

      Atherosclerosis 203(2)

      Pages: 557-62

    • Related Report
      2008 Final Research Report
  • [Journal Article] Acrolein, IL-6 and CRO as markers of silent brain infarction2009

    • Author(s)
      Yoshida M, Tomitori H, Machi Y, Katagiri D, Ueda S, Horiguchi K, Kobayashi E, Saeki N, Nishimura K, Ishii I, Kashiwagu K, Igarashi K
    • Journal Title

      Atherosclerosis 203(2)

      Pages: 557-562

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Growth inhibition and differentiation of cultured smooth muscle cells depend on sellular crossbridges across the tubular lumen of type I collagen matrix honeycombs.2009

    • Author(s)
      Suzuki T, Ishii I, Kotani A, Masuda M, Hirata K, Ueda M, Ogata T, Sakai T, Ariyoshi N, Kitada M
    • Journal Title

      Microvasc Res. 77(2)

      Pages: 143-149

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Effect of pitavastatin on macrophage cholesterol metabolism2008

    • Author(s)
      Akisato Y, Ishii I, Kitahara M, Tamaki T, Saito Y, Kitada M
    • Journal Title

      Yakugaku Zasshi 128(3)

      Pages: 357-63

    • NAID

      110006646588

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Effect of pitavastatin on macrophage cholesterol metabolism.2008

    • Author(s)
      Akisato Y, ishii I, Kitahara M, Tamaki T, Saito Y, Kitada M
    • Journal Title

      Yakugaku Zasshi 128(3)

      Pages: 357-363

    • NAID

      110006646588

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Theoretical calculation of triazolam hydroxylation and endogenous steroidinhibition in the active site of CYP3A42007

    • Author(s)
      Torimoto N
    • Journal Title

      Biochim Biophys Acta 1774

      Pages: 223-232

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Helices F-G are important for the substrate specificities of CYP3A72007

    • Author(s)
      Torimoto N
    • Journal Title

      Drug Metab Dispos 35

      Pages: 484-492

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Identification and partial characteriZation of anovel CYP2C9 splicing variant encoding a protein lacking eight alnhlo acid residues2007

    • Author(s)
      Ariyoshi N
    • Journal Title

      Drug Metab Pharmacokinet 22

      Pages: 187-194

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Presentation] タウリンクロラミンのコレステロール蓄積抑制作用2009

    • Author(s)
      宮崎宏史、石井伊都子、有吉範高、北田光一
    • Organizer
      日本薬学会第129年会
    • Place of Presentation
      京都
    • Year and Date
      2009-03-26
    • Related Report
      2008 Annual Research Report 2008 Final Research Report
  • [Presentation] Pitavastatin inhibit foam cell formation in RAW264.7 macrophages at clinical concentration2007

    • Author(s)
      Ishii I
    • Organizer
      concentration, XVI International symposium on drug affecting lipid metabolism
    • Place of Presentation
      New York.
    • Year and Date
      2007-10-07
    • Related Report
      2008 Final Research Report
  • [Presentation] Pitavastatin inhibit foam cell formation in RAW264.7 macrophages at clinical concentration2007

    • Author(s)
      Ishii I
    • Organizer
      XVI Intemational symposium on drng affecting lipid metabolism
    • Place of Presentation
      New York
    • Year and Date
      2007-10-07
    • Related Report
      2007 Annual Research Report

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Published: 2007-04-01   Modified: 2016-04-21  

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