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Molecular analysis and biological effect of PKC isoforms dependent membrane trafficking of Mrp2/Bsep

Research Project

Project/Area Number 19790116
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeSingle-year Grants
Research Field Medical pharmacy
Research InstitutionChiba University

Principal Investigator

SEKINE Shuichi  Chiba University, 大学院薬学研究院, 助教 (70401007)

Project Period (FY) 2007 – 2008
Project Status Completed (Fiscal Year 2008)
Budget Amount *help
¥3,040,000 (Direct Cost: ¥2,800,000、Indirect Cost: ¥240,000)
Fiscal Year 2008: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2007: ¥2,000,000 (Direct Cost: ¥2,000,000)
Keywords薬物動態学 / 胆汁排泄輸送体 / 膜動輸送 / 胆汁うっ滞 / PKC / MRP2 / 胆汁排泄 / BSEP / トランスポーター / 胆汁排泄輪送体 / シグナル伝達
Research Abstract

肝臓の毛細胆管側膜に発現している胆汁排泄輸送体(Mrp2, Bsep)の機能低下がリン酸化酵素PKCの分子種依存的に胆管側膜から細胞質へ局在が変化することを見出した。また、胆汁輸送体と細胞骨格のアンカー蛋白質であるEzrin-Radixin-Moesin (ERM) familyのうち肝臓で高発現のRadixinのリン酸化状態の変動がMrp2の局在に影響することを明らかとし、ERMの発現プロファイルの違いがPKC分子種依存的な胆汁排泄輸送体の局在制御機構に関わっていることが示唆された。

Report

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

    (21 results)

All 2009 2008 2007 Other

All Journal Article (6 results) (of which Peer Reviewed: 3 results) Presentation (12 results) Remarks (3 results)

  • [Journal Article] Correlation between apical localization of Abcc2/Mrp2 and phosphorylation status of ezrin in rat intestine.2009

    • Author(s)
      Nakano T, Sekine S, Ito K, Horie T.
    • Journal Title

      Drug Metab Dispos. (Epub ahead of print)

    • Related Report
      2008 Final Research Report
  • [Journal Article] Posttranslational regulation of Abcc2 expression by SUMOylation system.2009

    • Author(s)
      Minami S, Ito K, Honma M, Ikebuchi Y, Anzai N, Kanai Y, Nishida T, Tsukita S, Sekine S, Horie T, Suzuki H.
    • Journal Title

      Am J Physiol Gastrointest Liver Physiol. 296(5)

    • Related Report
      2008 Final Research Report
  • [Journal Article] Canalicular Mrp2 localization is reversibly regulated by the intracellular redox status.2009

    • Author(s)
      Sekine S, Ito K, Horie T.
    • Journal Title

      Am J Physiol Gastrointest Liver Physiol 295(5)

    • Related Report
      2008 Final Research Report
  • [Journal Article] Correlation between apical localization of Abcc2/Mrp2 and phosphoryl ation status of ezrin in rat intestine2009

    • Author(s)
      Nakano T, Sekine S, Ito K, Horie T
    • Journal Title

      Drug Metab Dispos (Epub ahead of print)

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Posttranslational regulation of Abcc2 expression by SUMOylation system2009

    • Author(s)
      Minami S, Ito K, Honma M, I kebuchi Y, Anzai N, Kanai Y, Nishida T, Tsukita S, Sekine S, Horie T, Suzuki H.
    • Journal Title

      Am J Physiol Gastrointest Liver Physiol 296(5)

      Pages: 406-413

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Canalicular Mrp2 localization is reversibly regulated by the intracellular redox status2008

    • Author(s)
      Sekine S, Ito K, Horie T.
    • Journal Title

      Am J Physiol Gastrointest Liver Physiol 295(5)

      Pages: 1035-1041

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Presentation] 酸化ストレス時におけるMrp2タンパク分解に対するユビキチン様修飾因子の関与2009

    • Author(s)
      三ツ木香織、関根秀一、堀江利治
    • Organizer
      日本薬学会第129年会
    • Place of Presentation
      京都
    • Related Report
      2008 Annual Research Report 2008 Final Research Report
  • [Presentation] 薬物誘発性ミトコンドリア膜透過性遷移における種差の解明2008

    • Author(s)
      関根秀一、木村友映、本山碧、堀江利治
    • Organizer
      日本ミトコンドリア学会年会
    • Place of Presentation
      東京
    • Related Report
      2008 Annual Research Report 2008 Final Research Report
  • [Presentation] cPKC活性化が及ぼすラット小腸Mrp2及びMdr1膜局在への影響の相違2008

    • Author(s)
      中埜貴文、関根秀一、伊藤晃成、 堀江利治
    • Organizer
      日本薬物動態学会
    • Place of Presentation
      熊本
    • Related Report
      2008 Annual Research Report 2008 Final Research Report
  • [Presentation] Estradiol 17β-glucuronideの小腸上皮トランスポーターの機能に対する影響について2008

    • Author(s)
      松尾玲子、関根秀一、堀江利治
    • Organizer
      日本薬剤学会第23年会
    • Place of Presentation
      札幌
    • Related Report
      2008 Final Research Report
  • [Presentation] LPSにより誘発されるMrp2局在変化に対するdimerumic acidの抑制効果について2008

    • Author(s)
      矢野健太郎、関根秀一、堀江利治
    • Organizer
      日本薬剤学会第23年会
    • Place of Presentation
      札幌
    • Related Report
      2008 Annual Research Report 2008 Final Research Report
  • [Presentation] LPS誘発性胆汁うっ滞に対するDimerumic acidの防御効果について2008

    • Author(s)
      根本華奈子、矢野健太郎、関根秀一、平田晃陰、不破享、堀江利治
    • Organizer
      日本薬学会第128年会
    • Place of Presentation
      横浜
    • Related Report
      2008 Final Research Report
  • [Presentation] cAMPとGenipinによる胆汁排泄輸送体Mrp2の膜局在誘導メカニズムの解析2008

    • Author(s)
      高島有紀、関根秀一、堀江利治
    • Organizer
      日本薬学会第128年会
    • Place of Presentation
      横浜
    • Related Report
      2008 Final Research Report
  • [Presentation] Estradiol 17β-glucuromideの小腸上皮トランスポーターの機能に対する影響について2008

    • Author(s)
      松尾玲子、関根秀一、堀江利治
    • Organizer
      日本薬剤学会第23年会
    • Place of Presentation
      札幌
    • Related Report
      2008 Annual Research Report
  • [Presentation] PKA/PKC活性化平衡の変動によるMrp2の可逆的膜動輸送制御について2007

    • Author(s)
      関根秀一, 伊藤晃成, 堀江利治
    • Organizer
      第29回生体膜と薬物の相互作用シンポジウム
    • Place of Presentation
      仙台
    • Related Report
      2008 Final Research Report 2007 Annual Research Report
  • [Presentation] Mrp2 localization is reversibly regulated by protein kinases.2007

    • Author(s)
      Shuichi Sekine, Kousei Ito, Toshiharu Horie
    • Organizer
      8th International ISSX
    • Place of Presentation
      仙台
    • Related Report
      2008 Final Research Report 2007 Annual Research Report
  • [Presentation] Tha phosphorylation status of ezrin regulates Mrp2 localization in rat intestine2007

    • Author(s)
      Takahumi Nakano, Shuichi Sekine, Kousei Ito, Toshiharu Horie
    • Organizer
      8th International ISSX
    • Place of Presentation
      仙台
    • Related Report
      2008 Final Research Report 2007 Annual Research Report
  • [Presentation] 小腸上皮Mrp2の膜局在と膜裏打ち蛋白質Ezrinのリン酸化状態との関連2007

    • Author(s)
      中埜貴文, 関根秀一, 伊藤晃成, 堀江利治
    • Organizer
      日本薬学会第126年会
    • Place of Presentation
      富山
    • Related Report
      2007 Annual Research Report
  • [Remarks]

    • URL

      http://www.p.chiba-u.ac.jp/lab/yakuzai/index.html

    • Related Report
      2008 Final Research Report
  • [Remarks]

    • URL

      http://www.p.chiba-u.ac.jp/lab/yakuzai/index.html

    • Related Report
      2008 Annual Research Report
  • [Remarks]

    • URL

      http://www.p.chiba-u.ac.jp/lab/yakuzai/index.html

    • Related Report
      2007 Annual Research Report

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

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