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2008 Fiscal Year Final Research Report

ANALYSIS OF REGULATORY MECHANISMS FOR PLASMA MEMBRANE EXPRESSION OF 5-HT_<2A> RECEPTOR BY INSULIN

Research Project

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Project/Area Number 19790175
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeSingle-year Grants
Research Field General physiology
Research InstitutionYamagata University

Principal Investigator

OHKURA Masamichi  Yamagata University, 医学部, 講師 (70369172)

Project Period (FY) 2007 – 2008
Keywordsインスリン / セロトニン / セロトニン_<2A>受容体 / 細胞膜発現 / インターナリゼーション / ARF1
Research Abstract

本研究ではインスリンによる細胞膜5-HT_<2A>受容体の発現制御機構を解明する目的でこの受容体と複合体を形成する蛋白質を探索した結果、低分子量G蛋白質であるARF1を見出した。さらにARF1の機能を解析した結果、ARF1がGDP結合型(不活性化型)からGTP結合型(活性型)に変換されると5-HT_<2A>受容体の細胞内陥入(インターナリゼーション)を起こすことを明らかにした。

  • Research Products

    (4 results)

All 2009 2008 Other

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

  • [Journal Article] The discovery of the jellyfish Aequorea green fluorescent protein (GFP) and its subsequent evolution2009

    • Author(s)
      Ohkura, M.
    • Journal Title

      Journal of Japanese Scientists 44

      Pages: 248-255

    • Peer Reviewed
  • [Journal Article] Rho-kinase, but not protein kinase C, is involved in generation of the spontaneous tone in the resting phase of the isolated pig iris sphincter muscle2009

    • Author(s)
      Okano, M., Uchikawa, Y., Tanaka, N., Mutoh, J., Ohkura, M., Hisa, H., and Yamamoto, R.
    • Journal Title

      Current Eye Research 34

      Pages: 177-183

    • Peer Reviewed
  • [Journal Article] Both 5-hydroxytryptamine 5-HT_<2A> and 5-HT_<1B> receptors are involved in the vasoconstrictor response to 5-HT in the human isolated internal thoracic artery2008

    • Author(s)
      Tanaka, N., Nakamura, E., Ohkura, M., Kuwabara, M., Yamashita, A., Onitsuka, T., Asada, Y., Hisa, H., and Yamamoto, R.
    • Journal Title

      Clinical and Experimental Pharmacology and Physiology 35

      Pages: 836-840

    • Peer Reviewed
  • [Remarks]

    • URL

      http://www.id.yamagata-u.ac.jp/Pharmaco/Pharmacol-JP.html

URL: 

Published: 2010-06-10   Modified: 2016-04-21  

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