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Molecular mechanisms of diabetic lipemia in streptozotocin-treated mice

Research Project

Project/Area Number 24790915
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeMulti-year Fund
Research Field Metabolomics
Research InstitutionThe University of Tokyo

Principal Investigator

TAKANASHI Mikio  東京大学, 医学部附属病院, 助教 (70610799)

Project Period (FY) 2012-04-01 – 2014-03-31
Project Status Completed (Fiscal Year 2013)
Budget Amount *help
¥4,160,000 (Direct Cost: ¥3,200,000、Indirect Cost: ¥960,000)
Fiscal Year 2013: ¥2,210,000 (Direct Cost: ¥1,700,000、Indirect Cost: ¥510,000)
Fiscal Year 2012: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
Keywordsホルモン感受性リパーゼ / リポ蛋白リパーゼ / インスリン / 脂質異常症 / ストレプトゾトシン
Research Abstract

The molecular mechanism of diabetic lipemia in the setting of insulin deficiency is not fully understood. We have previously found that the plasma level of triglycerides is lower in hormone-sensitive lipase (HSL) deficient mice than in wild-type mice when they are challenged with streptozotocin. The current study was aimed at elucidating the molecular mechanism of diabetic lipemia through the detailed analysis of HSL-deficient mice in the insulin-deficient status. We found that the enzymatic activity and mRNA levels of lipoprotein lipase (LPL) were not significantly different between wild-type and HSL-deficient mice in the insulin-deficient status. Other factors that regulate LPL activity in vivo or other pathways such as intestinal lipid absorption may explain the phenotypic difference, which are currently under investigation.

Report

(3 results)
  • 2013 Annual Research Report   Final Research Report ( PDF )
  • 2012 Research-status Report
  • Research Products

    (5 results)

All 2014 2013

All Presentation (5 results)

  • [Presentation] Molecular regulation of diabetic hyperlipidemia2014

    • Author(s)
      Hiroaki Okazaki, Mikio Takanashi, Guosheng Liang
    • Organizer
      The 4th International Symposium on Chylomicrons in Disease
    • Place of Presentation
      Tokyo
    • Related Report
      2013 Final Research Report
  • [Presentation] インスリン欠乏時の高中性脂肪血症の成因とホルモン感受性リパーゼの役割2013

    • Author(s)
      高梨 幹生, 他
    • Organizer
      第45回日本動脈硬化学会総会・学術集会
    • Place of Presentation
      東京
    • Related Report
      2013 Final Research Report
  • [Presentation] インスリン欠乏時の高中性脂肪血症におけるホルモン感受性リパーゼの役割2013

    • Author(s)
      高梨 幹生, 他
    • Organizer
      第56回日本糖尿病学会学術集会
    • Place of Presentation
      熊本
    • Related Report
      2013 Final Research Report
  • [Presentation] インスリン欠乏時の高中性脂肪血症におけるホルモン感受性リパーゼの役割2013

    • Author(s)
      高梨幹生
    • Organizer
      第56回 日本糖尿病学会 年次学術集会
    • Place of Presentation
      ホテル日航熊本
    • Related Report
      2013 Annual Research Report 2012 Research-status Report
  • [Presentation] インスリン欠乏時の高中性脂肪血症の成因とホルモン感受性リパーゼの役割2013

    • Author(s)
      高梨幹生
    • Organizer
      第45回 日本動脈硬化学会 総会・学術集会
    • Place of Presentation
      京王プラザホテル(東京)
    • Related Report
      2013 Annual Research Report

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Published: 2013-05-31   Modified: 2019-07-29  

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