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Investigation for suppressing function of the transcription factor SREBP-1, to develop therapeutic approach to Metabolic Syndrome.

Research Project

Project/Area Number 20591044
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field Metabolomics
Research InstitutionUniversity of Tsukuba

Principal Investigator

TAKAHASHI Akimitsu  University of Tsukuba, 大学院・人間総合科学研究科, 講師 (70344893)

Co-Investigator(Renkei-kenkyūsha) SHIMANO Hitoshi  筑波大学, 大学院・人間総合科学研究科, 教授 (20251241)
YATOH Shigeru  筑波大学, 大学院・人間総合科学研究科, 講師 (50451703)
SUZUKI Hiroaki  筑波大学, 大学院・人間総合科学研究科, 准教授 (40344890)
Project Period (FY) 2008 – 2010
Project Status Completed (Fiscal Year 2010)
Budget Amount *help
¥4,550,000 (Direct Cost: ¥3,500,000、Indirect Cost: ¥1,050,000)
Fiscal Year 2010: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2009: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2008: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
Keywordsメタボリックシンドローム / 転写因子 / 肥満 / 糖尿病 / 動物モデル / 動脈硬化 / 脂質異常症 / 動物
Research Abstract

The suppression of SREBP-1 resulted markedly improve the hypertriglyceridemia in the mice whose LDL receptor(LDLR) disrupted and which were fed high-fat-high-calorie diet. And in mouse-peritoneal macrophages, both of SREBP-1a and -1c isoforms were expressed and suppression of both isoforms by RNA interference caused less synthesis of fatty-acids or cholesterols. Furthermore, LDLR/SREBP-1 double knockout mice showed decrement in atherosclerotic lesion formation. Those findings suggest that SREBP-1 suppression could be a therapeutic strategy for metabolic syndrome.

Report

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

    (8 results)

All 2011 2010 2009 Other

All Journal Article (1 results) (of which Peer Reviewed: 1 results) Presentation (3 results) Remarks (4 results)

  • [Journal Article] Sterol Regulatory Element-Binding Protein-1 Determines Plasma Remnant Lipoproteins and Accelerates Atherosclerosis in Low-Density Lipoprotein Receptor-Deficient Mice.2011

    • Author(s)
      Karasawa T, Takahashi A, Saito R, Sekiya M, Igarashi M, Iwasaki H, Miyahara S, Koyasu S, Nakagawa Y, Ishii K, Matsuzaka T, Kobayashi K, Yahagi N, Takekoshi K, Sone H, Yatoh S, Suzuki H, Yamada N, Shimano H
    • Journal Title

      Arterioscler Thromb Vasc Biol. (印刷中)

    • Related Report
      2010 Final Research Report
    • Peer Reviewed
  • [Presentation] Systemic SREBP-1 deficiency improves atherosclerosis in LDLR-/- mice2010

    • Author(s)
      唐澤直義
    • Organizer
      第42回日本動脈硬化学会総会・学術集会
    • Place of Presentation
      長良川国際会議場(岐阜)
    • Year and Date
      2010-07-16
    • Related Report
      2010 Final Research Report
  • [Presentation] 転写因子SREBP-1の動脈硬化性疾患に及ぼす影響の解析2010

    • Author(s)
      唐澤直義
    • Organizer
      第53回日本糖尿病学会年次学術集会
    • Place of Presentation
      ラヴィール岡山(岡山)
    • Year and Date
      2010-05-28
    • Related Report
      2010 Final Research Report
  • [Presentation] Hepatic SREBP-1c activation accelerates atherosclerosis through altering plasma lipoprotein profile in LDLR knockout mice2009

    • Author(s)
      唐澤直義
    • Organizer
      第41回日本動脈硬化学会総会・学術集会
    • Place of Presentation
      海峡メッセ下関(山口)
    • Year and Date
      2009-07-18
    • Related Report
      2010 Final Research Report
  • [Remarks] ホームページ等

    • URL

      http://www.u-tsukuba-endocrinology.jp/study/result/paper/article.html?data_id=5

    • Related Report
      2010 Final Research Report
  • [Remarks]

    • URL

      http://www.md.tsukuba.ac.jp/clinical-med/endocrinology/research/

    • Related Report
      2010 Annual Research Report
  • [Remarks]

    • URL

      http://www.md.tsukuba.ac.jp/clinical-med/endocrinology/research/

    • Related Report
      2009 Annual Research Report
  • [Remarks]

    • URL

      http://www.md.tsukuba.ac.jp/clinical-med/endocrinology/research/

    • Related Report
      2008 Annual Research Report

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

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