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Cell volume regulation in T lymphocytes

Research Project

Project/Area Number 17590213
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field General pharmacology
Research InstitutionChiba University

Principal Investigator

OGURA Takehiko  Chiba University, Graduate School or Medicine, research Associate, 大学院医学研究院, 助手 (00292673)

Co-Investigator(Kenkyū-buntansha) NAKAYA Haruaki  Chiba University, Graduate School of Medicine, Professor, 大学院医学研究院, 教授 (60113594)
Project Period (FY) 2005 – 2006
Project Status Completed (Fiscal Year 2006)
Budget Amount *help
¥3,600,000 (Direct Cost: ¥3,600,000)
Fiscal Year 2006: ¥1,700,000 (Direct Cost: ¥1,700,000)
Fiscal Year 2005: ¥1,900,000 (Direct Cost: ¥1,900,000)
KeywordsT cell / cell volume / ion channel / ClC-3
Research Abstract

1. Cell volume regulation is essential for various fundamental cell functions including cell cycle progression, apoptosis and migration. It has been suggested that K^+ channels, Cl- channels, water channels, Na^+/H^+ exchangers, and TRP channels are involved in cell volume regulation. RT-PCR analysis was performed to examine the expression of ClC channels and aquaporins in Jurkat cells and human T cells. ClC-3A, ClC-3B and ClC-5 were expressed in Jurkat cells and human T cells, and ClC-4 was expressed in human T cells. AQP3 was expressed in Jurkat cells and human T cells, and AQP1 and AQP8 were expressed in human T cells. The expression of TRP channels and Na^+/H^+ exchangers was also examined in Jurkat cells. TRPC1, TRPC3, TRPC4 and NHE-1 were expressed in Jurkat cells. 2. Jurkat cell lines overexpressing ClC-3A (Jurkat-3A), ClC-3B (Jurkat-3B) and AQP1 (Jurkat-AQP1), respectively, were established. When the cells were exposed to 40% hypotonic solution, the rate of the regulatory volume decrease was accelerated in all these cell lines in comparison with control cells. 3. In Jurkat-3B but not in Jurkat-3A, the rate of proliferation was accelerated. 4. The activation-induced cell death of Jurkat cells was not affected by overexpressing ClC-3 channels. 5. Cell migration was increased in Jurkat-3B in modified Boyden chamber assay. 6. These results suggest that ClC-3A, ClC-3B, AQP1 and AQP3 are involved in cell volume regulation in T cells, and implicate important and unique roles of ClC-3B in Jurkat cell proliferation and migration. Further analysis on protein-protein interactions involving these channels and transporters will provide an important clue to better understand the molecular basis of cell volume regulation.

Report

(3 results)
  • 2006 Annual Research Report   Final Research Report Summary
  • 2005 Annual Research Report
  • Research Products

    (24 results)

All 2007 2006 2005

All Journal Article (23 results) Book (1 results)

  • [Journal Article] 心筋細胞K^+チャネルおよびミトコンドリアに対するベプリジルの作用2007

    • Author(s)
      中谷晴昭
    • Journal Title

      心電図 27・1

      Pages: 21-29

    • NAID

      10018691577

    • Related Report
      2006 Annual Research Report
  • [Journal Article] A key role for the subunit SUR2B in the preferential activation of vascular K_<ATP> channels by isoflurane2006

    • Author(s)
      Fujita H.
    • Journal Title

      Br. J. Pharmacol. 149・5

      Pages: 573-580

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2006 Annual Research Report 2006 Final Research Report Summary
  • [Journal Article] Randomized study of angiotensin II type 1 receptor blocker vs dihydropiridine calcium antagonist for the treatment of paroxysmal atrial fibrillation in patients with hypertentnsion.-The J-RHYTHM II study design for the investigation of upstream therapy for atrial fibrillation-2006

    • Author(s)
      Yamashita Y.
    • Journal Title

      Circ. J. 70・10

      Pages: 1318-1321

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2006 Final Research Report Summary
  • [Journal Article] Effects of sulfonylureas on mitochondrial ATP-sensitive K^+ channels in cardiac myocytes : implications for sulfonylurea controversy2006

    • Author(s)
      Sato T.
    • Journal Title

      Diabetes Metab. Res. Rev. 22・5

      Pages: 341-347

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2006 Annual Research Report 2006 Final Research Report Summary
  • [Journal Article] Bepridil, an antiarrhythmic drug, opens mitochondrial K_<ATP> channels, blocks sarcolemmal K_<ATP> channels, and confers cardioprotection.2006

    • Author(s)
      Sato T.
    • Journal Title

      J. Pharmacol. Exp. Ther. 316・1

      Pages: 182-188

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2006 Final Research Report Summary
  • [Journal Article] P-1075 exerts diverse modulatory effects on mitochondrial ATP-sensitive K^+ channels in rabbit ventricular myocytes.2006

    • Author(s)
      Sato T.
    • Journal Title

      J. Cardiovasc. Pharmacol. 47・1

      Pages: 165-168

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2006 Final Research Report Summary
  • [Journal Article] A key role for the subunit SUR2B in the preferential activation of vascular K_<ATP> channels by isoflurane.2006

    • Author(s)
      Fujita H.
    • Journal Title

      Br. J. Pharmacol. 149・5

      Pages: 573-580

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2006 Final Research Report Summary
  • [Journal Article] Randomized study of angiotensin II type 1 receptor blocker vs dihydropiridine calcium antagonist for the treatment of paroxysmal atrial fibrillation in patients with hypertentnsion.-The J-RHYTHM II study design for the investigation of upstream therapy for atrial fibrillation-.2006

    • Author(s)
      Yamashita Y.
    • Journal Title

      Circ. J. 70・10

      Pages: 1318-1321

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2006 Final Research Report Summary
  • [Journal Article] Effects of sulfonylureas on mitochondria] ATP-sensitive K^+ channels in cardiac myocytes: implications for sulfonylurea controversy.2006

    • Author(s)
      Sato T.
    • Journal Title

      Diabetes Metab. Res. Rev. 22・5

      Pages: 341-347

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2006 Final Research Report Summary
  • [Journal Article] P-1075 exerts diverse modulatory effects on mitochondrial ATP-sensitive K^+ channels in rabbit ventricular myocytes.2006

    • Author(s)
      Sato T.
    • Journal Title

      J. Cardiovasc. Pharmacol. 47・2

      Pages: 165-168

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2006 Final Research Report Summary
  • [Journal Article] Randomized study of angiotensin II type 1 receptor blocker vs dihydropiridine calcium antagonist for the treatment of paroxysmal atrial fibrilation in patients with hypertentnsion. -The J.RHYTHM II study design for the investigation of upstream therapy for atrial fibrillation-2006

    • Author(s)
      Yamashita Y.
    • Journal Title

      Circ. J. 70・10

      Pages: 1318-1321

    • Related Report
      2006 Annual Research Report
  • [Journal Article] 心不全に伴うイオンチャンネルのリモデリングとその治療戦略2006

    • Author(s)
      中谷晴昭
    • Journal Title

      医学のあゆみ 心不全UPDATE 218・14

      Pages: 1201-1206

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Effects of sulfonylureas on mitochondrial ATP-sensitive K^+ channels in cardiac myocytes : implications for sulfonylurea controversy.2006

    • Author(s)
      Sato T.
    • Journal Title

      Diabetes Metab Res Rev. Jan 30(Epub ahead of print)

    • Related Report
      2005 Annual Research Report
  • [Journal Article] Bepridil, an antiarrhythmic drug, opens mitochondrial K_<ATP> channels, blocks sarcolemmal K_<ATP> channels, and confers cardioprotection.2006

    • Author(s)
      Sato T.
    • Journal Title

      J Pharmacol Exp Ther. 316・1

      Pages: 182-188

    • Related Report
      2005 Annual Research Report
  • [Journal Article] P-1075 exerts diverse modulatory effects on mitochondrial ATP-sensitive K^+ channels in rabbit ventricular myocytes.2006

    • Author(s)
      Sato T.
    • Journal Title

      J Cardiovasc. Pharmacol. 47・1

      Pages: 165-168

    • Related Report
      2005 Annual Research Report
  • [Journal Article] Nontranscriptional regulation of cardiac repolarization currents by testosterone.2005

    • Author(s)
      Bai C.-X.
    • Journal Title

      Circulation 112・12

      Pages: 1701-1710

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2006 Final Research Report Summary 2005 Annual Research Report
  • [Journal Article] Kir6.2-deficient mice are susceptible to stimulated ANP secretion : K_<ATP> channel acts as a negative feedback mechanism?2005

    • Author(s)
      Saegusa N.
    • Journal Title

      Cardiovasc. Res. 67・1

      Pages: 60-68

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2006 Final Research Report Summary
  • [Journal Article] Kir6.2-deficient mice are susceptible to stimulated ANP secretion: K_<ATP> channel acts as a negative feedback mechanism?2005

    • Author(s)
      Saegusa N.
    • Journal Title

      Cardiovasc. Res. 67・1

      Pages: 60-68

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2006 Final Research Report Summary
  • [Journal Article] Kir6.2-deficient mice are susceptible to stimulated ANP secretion : K_<ATP> channel acts as a negative feedback mechanism?2005

    • Author(s)
      Saegusa N.
    • Journal Title

      Cardiovasc Res. 67・1

      Pages: 60-68

    • Related Report
      2005 Annual Research Report
  • [Journal Article] 免疫システムとイオンチャネル-抗原刺激によるTリンパ球活性化・アポトーシスにおけるイオンチャネルの役割-.2005

    • Author(s)
      古川哲史
    • Journal Title

      医学の歩み イオンチャネルup date 別冊

      Pages: 341-346

    • Related Report
      2005 Annual Research Report
  • [Journal Article] T細胞のアポトーシスにおけるClC-3BCl-チャネルの役割の解析.2005

    • Author(s)
      中谷晴昭
    • Journal Title

      上原記念生命科学財団研究報告集 19

      Pages: 181-183

    • Related Report
      2005 Annual Research Report
  • [Journal Article] 分子標的を目指した不整脈治療.2005

    • Author(s)
      中谷晴昭
    • Journal Title

      最新医学10 特集不整脈における分子機構 60・10

      Pages: 101-108

    • Related Report
      2005 Annual Research Report
  • [Journal Article] 心房細動に対する新たな治療薬の可能性.2005

    • Author(s)
      佐藤俊明
    • Journal Title

      循環器科 58・1

      Pages: 68-72

    • Related Report
      2005 Annual Research Report
  • [Book] 新目でみる循環器病シリーズ7 不整脈2005

    • Author(s)
      中谷晴昭
    • Total Pages
      378
    • Publisher
      メジカルレビュー社
    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2006 Final Research Report Summary 2005 Annual Research Report

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Published: 2005-04-01   Modified: 2016-04-21  

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