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Pathophysiology of mucosal lesion caused by defects of epithelial HCO_3^--CO_2 transport

Research Project

Project/Area Number 19590303
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field Pathological medical chemistry
Research InstitutionNagoya University

Principal Investigator

KONDO Takaharu  Nagoya University, 総合保健体育科学センター, 教授 (20135388)

Co-Investigator(Kenkyū-buntansha) ISHIGURO Hiroshi  名古屋大学, 総合保健体育科学センター, 准教授 (90303651)
YAMAMOTO Akiko  名古屋大学, 総合保健体育科学センター, 助教 (60402385)
KO Shigeru  名古屋大学, 医学部・附属病院, 助教 (90402578)
KUME Hiroaki  名古屋大学, 大学院・医学系研究科, 講師 (50303631)
Research Collaborator AKIBA Yasutada  UCLA, Los, Angeles
Project Period (FY) 2007 – 2008
Project Status Completed (Fiscal Year 2008)
Budget Amount *help
¥4,030,000 (Direct Cost: ¥3,100,000、Indirect Cost: ¥930,000)
Fiscal Year 2008: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
Fiscal Year 2007: ¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
Keywords粘膜上皮 / 膵管 / 重炭酸イオン / CFTR / 膵導管細胞 / 単離小葉間膵管 / 細胞内pH / 膜電位 / HCO_3^-透過性 / HCO_3^-チャネル / 膵外分泌 / SLC26A6 Cl-HCO_3交換輸送体 / HCO_3輸送 / ノックアウトマウス / 膵液 / siRNA法
Research Abstract

最も重要な消化液である膵液はアルカリ性(pHが8以上)であり、アルカリ性の本体である重炭酸イオン(HCO_3^-)は膵管の上皮細胞から分泌される。小動物の膵管を用いて、粘膜上皮のHCO_3^-輸送機構を解析した。CFTRとSLC26A6という二つの分子が、HCO_3^-輸送に中心的な役割を果たしていることがわかった。ヒトのように特にアルカリ性の強い膵液の分泌では、CFTRがHCO_3^-チャネルとして働くことがわかった。

Report

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

    (24 results)

All 2009 2008 2007

All Journal Article (13 results) (of which Peer Reviewed: 13 results) Presentation (8 results) Book (3 results)

  • [Journal Article] Functional coupling of apical Cl-/HCO_3^- exchange with CFTR in stimulated HCO_3^- secretion by guinea pig interlobular pancreatic duct2009

    • Author(s)
      Stewart AK, Yamamoto A, Nakakuki M, Kondo T, Alper SL, Ishiguro H.
    • Journal Title

      Am J Physiol Gastrointest Liver Physiol [Epub ahead of print]

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] CFTR functions as a bicarbonate channel in pancreatic duct cells2009

    • Author(s)
      Ishiguro H, Steward MC, Naruse S, Ko SB, Goto H, Case RM, Kondo T, Yamamoto A.
    • Journal Title

      J Gen Physiol 133(3)

      Pages: 315-26

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] CFTR functions as a bicarbonate channel in pancreatic duct cells.2009

    • Author(s)
      Ishiguro H, Steward MC, Naruse S, Ko SBH, Goto H, Case RM, Kondo T, Yamamoto A.
    • Journal Title

      J Gen Physiol 133

      Pages: 315-326

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] 汗中クロライド濃度の簡便な測定法の開発2008

    • Author(s)
      中莖みゆき、石黒洋、代田桂一、山本明子、洪繁、後藤秀実、藤木理代、近藤孝晴、遠藤彰、成瀬達
    • Journal Title

      膵臓 23(4)

      Pages: 5486-493

    • NAID

      10024367756

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] ΔFマウスとslc26a6nullマウスを用いた2008

    • Author(s)
      石黒洋、山本明子、近藤孝晴
    • Journal Title

      膵HCO_3^-分泌機構の解析 23(1)

      Pages: 25-30

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Dual pathway activated by tert-butyl hydroperoxide in human airway anion secretion2008

    • Author(s)
      Matsuno T, Ito Y, Ohashi T, Morise M, Takeda N, Shimokata K, Imaizumi K, Kume H, Hasegawa Y
    • Journal Title

      J Pharmacol Exp Ther 327(2)

      Pages: 453-64

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] 汗中クロライド濃度の簡便な測定法の開発2008

    • Author(s)
      中莖みゆき, 石黒洋, 代田桂一, 山本明子, 洪繁, 後藤秀実, 藤木理代, 近藤孝晴, 遠藤彰, 成瀬達
    • Journal Title

      膵臓 23

      Pages: 486-493

    • NAID

      10024367756

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] △Fマウスとslc26a6 nullマウスを用いた膵HCO_3^-分泌機構の解析2008

    • Author(s)
      石黒洋, 山本明子, 近藤孝晴
    • Journal Title

      膵臓 23

      Pages: 25-30

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Cystic fibrosis transmembrane conductance regulator and SLC26 transporters in HCO_3^- secretion by pancreatic duct cells2007

    • Author(s)
      Ishiguro H, Steward M, Naruse S.
    • Journal Title

      Sheng Li Xue Bao-Acta Physiologica Sinica (Chinese Journal of Physiology) 59(4)

      Pages: 465-76

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Effect of Slc26a6 deletion on apical Cl^-/HCO_3^- exchanger activity and Camp-stimulated bicarbonate secretion in pancreatic duct2007

    • Author(s)
      Ishiguro H, Namkung W, Yamamoto A, Wang Z, Worrell RT, Xu J, Lee MG, Soleimani M.
    • Journal Title

      Am J Physiol Gastrointest Liver Physiol 292(1)

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Identification of key residues that cause differential gallbladder response to PACAP and VIP in the guinea pig.2007

    • Author(s)
      Wei M, Fujiki K, Ando E, Zhaug S, Ozaki T, Ishiguro H, Kondo T, Nokihara K, Wray V, Naruse S.
    • Journal Title

      Am J Physiol Gastrointest Liver Physiol 292

      Pages: 76-83

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Acute tubulointerstitial nephritis associated with long-term gemcitabine therapy.2007

    • Author(s)
      Yamamoto A, Naruse S, Ito M, Ishiguro H, Ko SB, Yoshikawa T, Kondo T, Goto H
    • Journal Title

      Pancreas 34

      Pages: 378-379

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Sphingosine 1-phosphate causes airway hyper-reactivity by rho-mediated myosin phosphatase inactivation.2007

    • Author(s)
      Kume H, Takeda N, Oguma T, Ito S, Kondo M, Ito Y, Shimokata K
    • Journal Title

      J Pharmacol Exp Ther. 320

      Pages: 766-773

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Presentation] Regulatory interaction of the apical Na^+-H^+ exchange in HCO_3^-secretion in mouse pancreatic duct cells2008

    • Author(s)
      Yamamoto A, Ishiguro H, Kondo T.
    • Organizer
      16th United European Gastroenterology Week
    • Place of Presentation
      Vienna
    • Year and Date
      2008-10-22
    • Related Report
      2008 Final Research Report
  • [Presentation] Regulatory interaction of the apical Na^+-H^+ exchange in HCO_3- secretion in mouse pancreatic duct cells.2008

    • Author(s)
      Yamamoto A, Ishiguro H, Naruse S, Kondo T.
    • Organizer
      16th United European Gastroenterology Week
    • Place of Presentation
      ウィーン
    • Year and Date
      2008-10-22
    • Related Report
      2008 Annual Research Report
  • [Presentation] 膵導管におけるグルコース吸収機構 ワークショップ「栄養素吸収輸送システムに関する研究の進歩」2008

    • Author(s)
      石黒洋、二口祥子、藤木理代
    • Organizer
      第50回日本消化器病学会大会
    • Place of Presentation
      東京
    • Year and Date
      2008-10-04
    • Related Report
      2008 Final Research Report
  • [Presentation] 単離膵導管におけるグルコース吸収が膵液分泌に与える影響 ワークショップ「膵内・外分泌機能の基礎と臨床:相互相関をめぐって」2008

    • Author(s)
      石黒洋、二口祥子、藤木理代
    • Organizer
      第39回日本膵臓学会大会
    • Place of Presentation
      横浜
    • Year and Date
      2008-07-31
    • Related Report
      2008 Final Research Report
  • [Presentation] slc26a6ノックアウトマウスから単離した小葉間膵管の重炭酸イオン輸送2008

    • Author(s)
      石黒洋、山本明子、近藤孝晴
    • Organizer
      第85回日本生理学会大会
    • Place of Presentation
      東京
    • Year and Date
      2008-03-25
    • Related Report
      2008 Final Research Report
  • [Presentation] Interaction between cystic fibrosis transmembrane conductance regulator and Na^+-H^+ exchange in mouse pancreatic ducts2007

    • Author(s)
      Yamamoto A, Ishiguro H, Ko SB, Naruse S, Kondo T.
    • Organizer
      Asian Pacific Digestive Week 2007
    • Place of Presentation
      Kobe
    • Year and Date
      2007-10-19
    • Related Report
      2008 Final Research Report
  • [Presentation] Role of SLC26A6 in ductal HCO_3^- secretion. Symposium "Frontiers in Exocrine Pancreatic Physiology and Pathophysiology"2007

    • Author(s)
      Ishiguro H.
    • Organizer
      European Pancreatic Club 2007
    • Place of Presentation
      Newcastle-Gateshead
    • Year and Date
      2007-07-07
    • Related Report
      2008 Final Research Report
  • [Presentation] ΔFマウスおよびSlc26a6ノックアウトマウスから単離した小葉間膵管の重炭酸イオン輸送 ワークショップ「膵研究モデルの作成、選択、適用」2007

    • Author(s)
      石黒洋、山本明子、近藤孝晴
    • Organizer
      第38回日本膵臓学会大会
    • Place of Presentation
      福岡
    • Year and Date
      2007-06-29
    • Related Report
      2008 Final Research Report
  • [Book] 膵嚢胞線維症の診療の手引き2008

    • Author(s)
      大槻眞、成瀬達、近藤孝晴、石黒洋、山本明子、洪 繁、他
    • Total Pages
      74
    • Publisher
      アークメディア(東京)
    • Related Report
      2008 Final Research Report
  • [Book] 膵嚢胞線維症の診療の手引き2008

    • Author(s)
      大槻眞, 成瀬達, 近藤孝晴, 石黒洋, 山本明子, 洪繁, 他
    • Total Pages
      74
    • Publisher
      アークメディア
    • Related Report
      2008 Annual Research Report
  • [Book] CFTRの機能異常と慢性膵炎2007

    • Author(s)
      石黒洋、近藤孝晴、山本明子、成瀬達
    • Publisher
      Annual Review消化器2007(中外医学社)
    • Related Report
      2008 Final Research Report

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

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