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Analysis of regulatory mechanism on potency and maintenance of undifferentiated state in undifferentiated stem cells.

Research Project

Project/Area Number 18570201
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field Developmental biology
Research InstitutionTottori University

Principal Investigator

SHIRAYOSHI Yasuaki  Tottori University, 大学院・医学系研究科, 准教授 (90249946)

Project Period (FY) 2006 – 2008
Project Status Completed (Fiscal Year 2008)
Budget Amount *help
¥4,100,000 (Direct Cost: ¥3,500,000、Indirect Cost: ¥600,000)
Fiscal Year 2008: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2007: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2006: ¥1,500,000 (Direct Cost: ¥1,500,000)
Keywords幹細胞 / 細胞分化 / 多能性 / 未分化性 / クロマチン / ES細胞 / プロテオーム / 胚性幹細胞 / テラトカルシノーマ細胞 / 分化能 / 細胞融合 / 染色体
Research Abstract

テラトカルシノーマF9細胞P19細胞, PCC3細胞は、いずれもES細胞の分化を抑制し、未分化性を維持する細胞外因子を分泌していること、そしてそれらの因子は、既存のシグナル伝達系とは別の経路を利用して作用していることを明らかにした。また、ES細胞と比較して、F9細胞で特異的に発現が減少しているタンパク質として、14-3-3σ、HP1γの2つを見いだした。このうちHP1γの強制発現によってF9細胞の分化能が部分的に回復することがわかった。

Report

(4 results)
  • 2008 Annual Research Report   Final Research Report ( PDF )
  • 2007 Annual Research Report
  • 2006 Annual Research Report
  • Research Products

    (23 results)

All 2009 2008 2007 Other

All Journal Article (10 results) (of which Peer Reviewed: 8 results) Presentation (11 results) Remarks (2 results)

  • [Journal Article] Extrinsic factors from mouse embryonal carcinoma cell lines maintain pluripotency of mouse embryonic stem cells through a novel signal pathway2009

    • Author(s)
      Kawazoe S. et.al.
    • Journal Title

      Dev. Growth Differ. 51(9人中9番目)

      Pages: 81-81

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Enhanced apoptosis during early differentiation in mouse ES cells with autosomal imbalance2009

    • Author(s)
      Kai Y. et.al.
    • Journal Title

      Cell Res. 19(10人中8番目)

      Pages: 247-247

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Extrinsic factors from mouse embryonal carcinoma cell lines maintain pluripotency of mouse embryonic stem cells through a novel signal pathway.2009

    • Author(s)
      Kawazoe, S.
    • Journal Title

      Dev Growth Differ. 5 1

      Pages: 81-93

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Enhanced apoptosis during early neuronal differentiation in mouse ES cells with autosomal imbalance.2009

    • Author(s)
      Kai, Y
    • Journal Title

      Cell Res. 1 9

      Pages: 247-258

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Changes of HCN gene expression and I(f) currents in Nkx2.5-positivecardiomyocytes derived from murine embryonic stem cells during differentiation2008

    • Author(s)
      Yano S. et.al.
    • Journal Title

      Biomed Res. 29(19人中18番目)

      Pages: 195-195

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Changes of HCN gene expression and I(f) currents in Nkx2. 5-positive cardiomyocytes derived from murine embryonic stem cells during differentiation.2008

    • Author(s)
      Yano, S.
    • Journal Title

      Biomed Res. 2 9

      Pages: 195-203

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Correction of a genetic defect in multipotent germline stem cells using a human artificial chromosome2007

    • Author(s)
      Kazuki Y. et.al.
    • Journal Title

      Gene Ther. 15(17人中13番目)

      Pages: 617-617

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] ES細胞から心筋細胞への分化の分子機序2007

    • Author(s)
      白吉安昭、久留一郎
    • Journal Title

      アニテックズ 19

      Pages: 14-14

    • Related Report
      2008 Final Research Report
  • [Journal Article] Correction of a genetic defect in multipotent germline stem cells using a human artificial chromosome.2007

    • Author(s)
      Kazuki Y
    • Journal Title

      Gene Ther. 15

      Pages: 617-624

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] ES細胞から心筋細胞への分化の分子機序2007

    • Author(s)
      白吉安昭, 久留一郎
    • Journal Title

      アニテックス 19・1

      Pages: 14-20

    • Related Report
      2006 Annual Research Report
  • [Presentation] ES細胞由来心臓ペースメーカ一細胞の分取と機能解析2008

    • Author(s)
      伊藤真一
    • Organizer
      第31回日本分子生物学会
    • Place of Presentation
      神戸ポートアイランド(神戸)
    • Year and Date
      2008-12-12
    • Related Report
      2008 Final Research Report
  • [Presentation] ES細胞由来心臓ペースメーカー細胞の分取と機能解析2008

    • Author(s)
      伊藤真一
    • Organizer
      第31回 日本分子生物学会年会
    • Place of Presentation
      神戸ボートアイランド(神戸)
    • Year and Date
      2008-12-12
    • Related Report
      2008 Annual Research Report
  • [Presentation] イオンチャンネルを可視化選別マーカーとしたES細胞由来生物学的ペースメーカー細胞の樹立とその特性の検討2008

    • Author(s)
      白吉安昭
    • Organizer
      第25回日本心電学会学術集会
    • Place of Presentation
      朱鷺メッセ(新潟)
    • Year and Date
      2008-11-01
    • Related Report
      2008 Final Research Report
  • [Presentation] イオンチャンネルを可視化選別マーカーとしたES細胞由来生物学的ペースメーカー細胞の樹立とその特性の検討2008

    • Author(s)
      白吉安昭
    • Organizer
      第25回 日本心電学会学術集会
    • Place of Presentation
      朱鷺メツセ(新潟)
    • Year and Date
      2008-11-01
    • Related Report
      2008 Annual Research Report
  • [Presentation] Fuctional expression cloningof HPI beta, a modulator ofdifferentiation in embryonic stemcells and embryonal carcinoma cells2008

    • Author(s)
      Ikeda N.
    • Organizer
      第41回日本発生生物学会
    • Place of Presentation
      徳島郷土文化会館(徳島)
    • Year and Date
      2008-05-29
    • Related Report
      2008 Final Research Report
  • [Presentation] Fuctional expression cloning of HP 1 beta, a modulator of differentiation in embryonic stem cells and embryonal careinoma cells2008

    • Author(s)
      Ikeda Nobuto
    • Organizer
      第41回 日本発生生物学会年会
    • Place of Presentation
      徳島県郷土文化会館(徳島)
    • Year and Date
      2008-05-29
    • Related Report
      2008 Annual Research Report
  • [Presentation] HeterochromatinProtein1βによるES細胞の分化促進2008

    • Author(s)
      池田信人
    • Organizer
      第6回幹細胞シンポジウム
    • Place of Presentation
      学術総合センター(東京)
    • Year and Date
      2008-05-16
    • Related Report
      2008 Final Research Report
  • [Presentation] Heterochromatin Protein 1βによるES細胞の分化促進2008

    • Author(s)
      池田信人
    • Organizer
      第6回 幹細胞シンポジウム
    • Place of Presentation
      学術総合センター(東京)
    • Year and Date
      2008-05-16
    • Related Report
      2008 Annual Research Report
  • [Presentation] マウスEC細胞由来細胞外因子はマウスES細胞の多能性を新規シグナル経路を介して維持する2007

    • Author(s)
      川添真史郎
    • Organizer
      第30回日本分子生物学会
    • Place of Presentation
      横浜
    • Year and Date
      2007-12-12
    • Related Report
      2008 Final Research Report
  • [Presentation] マウスEC細胞由来細胞外因子はマウスES細胞の多能性を新規シグナル経路を介して維持する。2007

    • Author(s)
      川添真史朗
    • Organizer
      第30回 日本分子生物学会年会
    • Place of Presentation
      横浜
    • Year and Date
      2007-12-12
    • Related Report
      2007 Annual Research Report
  • [Presentation] Identification and analysis of l4 3-3 sigma specifically expressed in pluripotent stem cells2007

    • Author(s)
      Shibuya M.
    • Organizer
      第40回日本発生生物学会
    • Place of Presentation
      福岡国際会議場(福岡)
    • Year and Date
      2007-05-30
    • Related Report
      2008 Final Research Report
  • [Remarks]

    • URL

      http://www.tottori-u.ac.jp/P/igaku/daigakuin/kinou/idenshi/saisei/

    • Related Report
      2008 Final Research Report
  • [Remarks]

    • URL

      http://www.med.tottori-u.ac.jp/p/igaku/daigakuin/kinou/idenshi/saisei/

    • Related Report
      2008 Annual Research Report

URL: 

Published: 2006-04-01   Modified: 2016-04-21  

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