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2010 Fiscal Year Final Research Report

Analysis of candidate gene deficient mice cause insulin resistance in Spontaneously Hypertensive Rats

Research Project

  • PDF
Project/Area Number 20591049
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field Metabolomics
Research InstitutionThe University of Tokyo

Principal Investigator

IIZUKA Yoko  The University of Tokyo, 医学部附属病院, 助教 (40420244)

Co-Investigator(Kenkyū-buntansha) YAHAGI Naoya  筑波大学, 大学院・人間総合科学研究科, 准教授 (60420246)
Project Period (FY) 2008 – 2010
Keywordsエネルギー / 糖質代謝異常
Research Abstract

1) Normal delivery, normal growth, and null expression of mRNA and protein in each organization of KAT-1 knockout mouse have been confirmed. KAT-1 knockout mouse demonstrates 2) significant increase of blood pressure under the normal chow, more increase of blood pressure under 12 weeks high salt diet by tail-cuff and telemetry system, 3) the rise of 24-hour urine catecholamine secretion under high salt diet, 4) significant increase of fast blood glucose, the rise of insulin resistance by insulin tolerance test under normal chow, 5) the decrease of the fat pat weight under high fat diet accompanied with increase in activity level.

  • Research Products

    (14 results)

All 2010 2009 2008

All Journal Article (9 results) (of which Peer Reviewed: 9 results) Presentation (5 results)

  • [Journal Article] Polyunsaturated fatty acids selectively suppress sterol regulatory element-binding protein-1 through proteolytic processing and autoloop regulatory circuit.2010

    • Author(s)
      Takeuchi Y, Yahagi N, Iizuka Y, et al
    • Journal Title

      J Biol Chem 285

      Pages: 11681-91

    • Peer Reviewed
  • [Journal Article] Hormone-sensitive lipase deficiency suppresses insulin secretion from pancreatic islets of Lep(ob)(/)(ob) mice.2009

    • Author(s)
      Sekiya M, Yahagi N, Iizuka Y, et al
    • Journal Title

      Biochem Biophys Res Commun 387

      Pages: 511-5

    • Peer Reviewed
  • [Journal Article] Ablation of neutral cholesterol ester hydrolase 1 accelerates atherosclerosis.2009

    • Author(s)
      Sekiya M, Yahagi N, et al
    • Journal Title

      Cell Metab 10

      Pages: 219-28

    • Peer Reviewed
  • [Journal Article] Hormone-sensitive lipase is involved in hepatic cholesterol ester hydrolysis.2008

    • Author(s)
      Sekiya M, Yahagi N, Iizuka Y, et al
    • Journal Title

      J Lipid Res 49

      Pages: 1829-38

    • Peer Reviewed
  • [Journal Article] Overexpression of nuclear SREBP-2 in pancreatic beta -cells results in cholesterol accumulation leading to insulin secretion defects and diabetes: A new model for beta-cell lipotoxicity.2008

    • Author(s)
      Ishikawa M, Yahagi N, et al
    • Journal Title

      J Lipid Res 49

      Pages: 2524-34

    • Peer Reviewed
  • [Journal Article] Identification of neutral cholesterol ester hydrolase, a key enzyme removing cholesterol from macrophages.2008

    • Author(s)
      Okazaki H, Yahagi N, et al
    • Journal Title

      J Biol Chem 283

      Pages: 33357-64

    • Peer Reviewed
  • [Journal Article] Palmitate impairs and eicosapentaenoate restores insulin secretion through regulation of SREBP-1c in pancreatic islets.2008

    • Author(s)
      Kato T, Yahagi N, et al
    • Journal Title

      Diabetes 57

      Pages: 2382-92

    • Peer Reviewed
  • [Journal Article] Cyclin-dependent kinase inhibitor, p21WAF1/CIP1, is involved in adipocyte differentiation and hypertrophy, linking to obesity and insulin resistance.2008

    • Author(s)
      Inoue N, Yahagi N, et al
    • Journal Title

      J Biol Chem 283

      Pages: 21220-9

    • Peer Reviewed
  • [Journal Article] Mouse Elovl-6 promoter is an SREBP target.2008

    • Author(s)
      Kumadaki S, Yahagi N, et al
    • Journal Title

      Biochem Biophys Res Commun 368

      Pages: 261-6

    • Peer Reviewed
  • [Presentation] Establishment of kynurenine aminotransferase 1 ( KAT-1) knockout mice as an animal model of spontaneous hypertension and insulin resistance observedin the spontaneously hypertensive rats2010

    • Author(s)
      飯塚陽子, 矢作直也, et al
    • Organizer
      日本動脈硬化学会
    • Place of Presentation
      岐阜
    • Year and Date
      2010-07-15
  • [Presentation] SHRの高血圧とインスリン抵抗性原因遺伝子kynurenine aminotransferase 1(KAT-1)欠損マウスの作製と解析2010

    • Author(s)
      飯塚陽子、矢作直也、他
    • Organizer
      日本糖尿病学会
    • Place of Presentation
      岡山
    • Year and Date
      2010-05-29
  • [Presentation] kynurenine aminotransferase 1(KAT-1)のRNAiノックダウンによる解析2009

    • Author(s)
      飯塚陽子、矢作直也、他
    • Organizer
      日本糖尿病学会
    • Place of Presentation
      大阪
    • Year and Date
      2009-05-23
  • [Presentation] A search for genes underlying visceral fat accumulation in spontaneously hypertensive rat (SHR)2008

    • Author(s)
      飯塚陽子, 矢作直也, et al
    • Organizer
      日本動脈硬化学会
    • Place of Presentation
      筑波
    • Year and Date
      2008-07-11
  • [Presentation] 高血圧自然発症ラット(SHR)における内臓脂肪蓄積関連遺伝子の同定2008

    • Author(s)
      飯塚陽子、矢作直也、他
    • Organizer
      日本糖尿病学会
    • Place of Presentation
      東京
    • Year and Date
      2008-05-22

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Published: 2012-01-26   Modified: 2016-04-21  

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