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Glomerular remodeling and its application

Research Project

Project/Area Number 19590932
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field Kidney internal medicine
Research InstitutionUniversity of Tsukuba

Principal Investigator

NAGATA Michio  University of Tsukuba, 大学院・人間総合科学研究科, 教授 (10192238)

Co-Investigator(Kenkyū-buntansha) AITA Kumi  筑波大学, 大学院・人間総合科学研究科, 講師 (40400684)
Project Period (FY) 2007 – 2008
Project Status Completed (Fiscal Year 2008)
Budget Amount *help
¥4,420,000 (Direct Cost: ¥3,400,000、Indirect Cost: ¥1,020,000)
Fiscal Year 2008: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
Fiscal Year 2007: ¥2,470,000 (Direct Cost: ¥1,900,000、Indirect Cost: ¥570,000)
Keywords糸球体 / リモデリング / 糸球体上皮細胞 / 糸球体硬化 / ポドサイト / ボウマン嚢上皮細胞 / P2I / ネフリン / ガレクチン-3 / 半月体 / podocyte / FSGS / 壁側細胞 / 濾過障壁 / 糸球体虚脱症 / p21 / マウス腎症
Research Abstract

糸球体硬化のプロトタイプである虚脱型巣状分節性糸球体硬化症(CFSGS)をモデルとして、nephrin-promoter/LacZ遺伝子により糸球体上皮細胞の系譜をタグ付けしたp21欠損マウスにCFSGSを惹起し、糸球体硬化の進展と修復のダイナミズムについて検討した。その結果、糸球体上皮細胞の急激な喪失に反応した壁側上皮の著しい増殖が、糸球体硬化やリモデリングの基本であることが判明した。さらに、糸球体上皮細胞の喪失はapoptosisを介さず、壁側上皮のmigrationや増殖に細胞周期抑制因子p21が大きく関与することを突き止めた。

Report

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

    (9 results)

All 2009 2008 2007

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

  • [Journal Article] Genetic podocyte lineage reveals progressive podocytopenia with parietal cell hyperplasia in a murine model of focal segmental glomerulosclerosis2009

    • Author(s)
      Suzuki T, Matsusaka T, Nakayama M, Asano T, Watanabe T, Ichikawa I, Nagata M.
    • Journal Title

      Am J Pathol 174

      Pages: 1675-82

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Acute and transient podocyte loss and proteinuria in preeclampsia2009

    • Author(s)
      Aita K, Etoh M, Hamada H, Yokoyama C, Takahashi A, Suzuki T, Hara M, Nagata M.
    • Journal Title

      Nephron Clin Pract 112

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Genetic Podocyte Lineage Reveals Progressive Podocytopenia with Parietal Cell Hyperplasia in a Murine Model of Cellular/Collapsing Focal Segmental Glomerulosclerosis.2009

    • Author(s)
      Suzuki T, Matsusaka T, Nakayama M, Asano T, Watanabe T, Ichikawa I, Nagata M.
    • Journal Title

      Am J Pathol (In press)

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Presentation] ポドサイトにタグ付けしたp21遺伝子欠損マウスにおけるCFSGSでの糸球体上皮細胞の動態2008

    • Author(s)
      鈴木大成、松阪泰二、浅野貴子、市川家國、長田道夫
    • Organizer
      日本小児腎臓病学会
    • Year and Date
      2008-06-28
    • Related Report
      2008 Final Research Report
  • [Presentation] 遺伝的ポドサイトタグ付けによる虚脱型糸球体硬化症進展機序2008

    • Author(s)
      鈴木 大成、松阪泰治、浅野貴子、市川家國、長田道夫
    • Organizer
      第43回 日本小児腎臓病学会
    • Place of Presentation
      福岡国際会議場(学会奨励賞受賞)
    • Year and Date
      2008-06-14
    • Related Report
      2008 Annual Research Report
  • [Presentation] ポドサイトにタグ付けしたp21遺伝子欠損マウスにおけるCFSGSでの糸球体上皮細胞の動態2008

    • Author(s)
      鈴木大成、松阪泰二、浅野貴子、市川家國、長田道夫
    • Organizer
      日本腎臓学会
    • Year and Date
      2008-05-30
    • Related Report
      2008 Final Research Report
  • [Presentation] p21欠損実験腎炎における上皮増殖病変のポドサイトタグ付け遺伝子改変マウスによる解析〜壁側上皮由来の増殖2008

    • Author(s)
      鈴木 大成、松阪泰治、浅野貴子、市川家國、長田道夫
    • Organizer
      第51回 日本腎臓学会
    • Place of Presentation
      福岡国際会議場
    • Year and Date
      2008-05-30
    • Related Report
      2008 Annual Research Report
  • [Presentation] Nphs1-Cre/ROSA26-loxP genetic podocyte tagging revealed parietal cell proliferation in p21 deficient mice with experimental glomerulonephritis2007

    • Author(s)
      Suzuki T, Matsusaka T, Asano T, Ichikawa I, Nagata M.
    • Organizer
      American Society of Nephrology
    • Year and Date
      2007-11-04
    • Related Report
      2008 Final Research Report
  • [Presentation] Nphsl-Cre/ROSA26-loxP genetic podocyte tagging revealed parietal cell proliferation in p21 deficient mice with experimental glomerulonephriti S2007

    • Author(s)
      Suzuki T, Nagata M, Matsusaka T, Ichikawa I
    • Organizer
      American Society of Nephrology, 2007
    • Place of Presentation
      サンフランシスコ
    • Year and Date
      2007-11-03
    • Related Report
      2007 Annual Research Report

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

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