• Search Research Projects
  • Search Researchers
  • How to Use
  1. Back to previous page

Involvement of adiponectin and leptin in insulin action in PI3K p85alpha-knockout mice

Research Project

Project/Area Number 19591062
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field Metabolomics
Research InstitutionYokohama City University

Principal Investigator

青木 一孝  Yokohama City University, 医学部, 助教 (60336542)

Co-Investigator(Kenkyū-buntansha) TERAUCHI Yasuo  横浜市立大, 医学部, 教授 (40359609)
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: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Fiscal Year 2007: ¥2,860,000 (Direct Cost: ¥2,200,000、Indirect Cost: ¥660,000)
Keywordsインスリン / 糖代謝 / レプチン / 糖尿病 / アディポネクチン / p85αPI3キナーゼ / 遺伝子欠損動物 / 遺伝子欠損マウス
Research Abstract

p85α欠損マウスの肝臓でのインスリン作用と糖代謝を比較検討した。グルコースクランプ法では、野生型と比較し、p85α欠損マウスの末梢組織でのインスリン感受性は亢進していたが、p85α欠損マウスの肝糖放出は抑制されていなかった。野生型と比較し、p85α欠損マウスの肝糖新生系酵素の遺伝子発現は上昇していた。また、肝臓でのAkt活性、PTEN活性は対照の野生型マウスと同程度であった。これらの結果より、p85α欠損マウスでは、末梢組織とは異なり、肝臓でのインスリン感受性は亢進しておらず、むしろ糖新生が亢進していると考えられた

Report

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

    (13 results)

All 2009 2008 2007 Other

All Journal Article (6 results) (of which Peer Reviewed: 6 results) Presentation (4 results) Book (1 results) Remarks (2 results)

  • [Journal Article] The role of the liver in glucose homeostasis in PI 3-kinase p85α-deficient mice2009

    • Author(s)
      Aoki, K., Matsui, J., Kubota, N., Nakajima, H., Iwamoto, K., Takamoto, I., Tsuji, Y., Ohno, A., Mori, S., Tokuyama, K., Murakami, K., Asano, T., Aizawa, S., Tobe, K., Kadowaki, T., and Terauchi, Y.
    • Journal Title

      Am. J. Physiol. Endocrinol. Metab. 296

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Role of the liver in glucose homeostasis in PI 3-kinase p85alpha-deficient mice.2009

    • Author(s)
      Aoki K, et al.
    • Journal Title

      Am J Physiol Endocrinol Metab. 296

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Dynamic functional relay between insulin receptor substrate 1 and 2 in hepatic insulin signaling during fasting and feeding2008

    • Author(s)
      Kubota, N., Kubota, T., Itoh, S., Kumagai, H., Kozono, H., Takamoto, I., Mineyama, T., Ogata, H., Tokuyama, K., Ohsugi, M., Sasago, T., Moroi, M., Sugi, K., Kakuta, S., Iwakura, Y., Noda, T., Nagai, R., Tobe, K., Terauchi, Y., Ueki, K., and Kadowaki, T.
    • Journal Title

      Cell Metab 8

      Pages: 49-64

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Sonographic evaluation of visceral fat by measuring para-and perirenal fat.2008

    • Author(s)
      Kawasaki, et. al.
    • Journal Title

      J Clin Ultrasound. 38

      Pages: 129-133

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Administration of miglitol until 30 min after the start of a meal is effective in type 2 diabetic patients.2007

    • Author(s)
      Aoki K, et. al.
    • Journal Title

      Diabetes Res Clin Pract. 78

      Pages: 30-33

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Divided-dose administration of miglitol just before and 15 minutes after the start of a meal smoothes postprandial plasma glucose excursions and serum insulin responses in healthy men.2007

    • Author(s)
      Aoki K, et. al.
    • Journal Title

      Endocr J. 54

      Pages: 1009-1014

    • NAID

      10021264113

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Presentation] The role of liver in glucose homeostasis in PI 3-kinase p85alpha-deficient mice2008

    • Author(s)
      Terauchi Y, Aoki K, Kubota N, Takamoto I, Kadowaki T
    • Organizer
      6^<8th> American Diabetes Association
    • Place of Presentation
      San Francisco
    • Related Report
      2008 Final Research Report
  • [Presentation] PI3キナーゼp85α欠損マウスにおける肝臓でのインスリン作用と糖代謝の検討2007

    • Author(s)
      青木一孝, 窪田哲也, 岩崎知之, 森秀一, 窪田直人, 高本偉碩, 徳山薫平, 寺内康夫
    • Organizer
      第21回日本肥満・糖尿病動物学会
    • Place of Presentation
      盛岡
    • Related Report
      2008 Final Research Report
  • [Presentation] PI3キナーゼp85α欠損マウスにおける肝臓でのインスリン作用と糖代謝の検討2007

    • Author(s)
      青木一孝, 窪田哲也, 岩崎知之, 森秀一, 窪田直人, 高本偉碩, 徳山薫平, 寺内康夫
    • Organizer
      第80回日本内分泌学会学術総会
    • Place of Presentation
      東京
    • Related Report
      2008 Final Research Report
  • [Presentation] PI3キナーゼp85〓欠損マウスにおける肝臓でのインスリン作用と糖代謝の検討2007

    • Author(s)
      青木一孝, ら
    • Organizer
      日本内分泌学会学術総会
    • Place of Presentation
      東京
    • Related Report
      2007 Annual Research Report
  • [Book] Diabetes Frontier2007

    • Author(s)
      青木一孝, 窪田哲也, 森秀一, 窪田直人, 高本偉碩, 徳山薫平, 門脇孝, 寺内康夫
    • Publisher
      PI3キナーゼp85α欠損マウスにおける肝臓でのインスリン作用と糖代謝の検討
    • Related Report
      2008 Final Research Report
  • [Remarks]

    • URL

      http://www-user.yokohama-cu.ac.jp/~nai3naib/

    • Related Report
      2008 Final Research Report
  • [Remarks]

    • URL

      http://www-user.yokohama-cu.ac.jp/~nai3naib/

    • Related Report
      2008 Annual Research Report

URL: 

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

Information User Guide FAQ News Terms of Use Attribution of KAKENHI

Powered by NII kakenhi