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Elucidation of systems for mouse PGC specification regulated by pluripotent-associatedgene Oct3/4

Research Project

Project/Area Number 20770170
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeSingle-year Grants
Research Field Developmental biology
Research InstitutionTohoku University

Principal Investigator

OKAMURA Daiji  Tohoku University, 加齢医学研究所, 助教 (80393263)

Project Period (FY) 2008 – 2009
Project Status Completed (Fiscal Year 2009)
Budget Amount *help
¥4,290,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥990,000)
Fiscal Year 2009: ¥2,470,000 (Direct Cost: ¥1,900,000、Indirect Cost: ¥570,000)
Fiscal Year 2008: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
Keywords生殖細胞 / 始原生殖細胞 / 遺伝子欠損マウス / 多能性 / 転写抑制 / マウス / 分化決定 / Oct3 / 4 / 転写抑制因子 / Rest / 相同組み替え / ES細胞
Research Abstract

We had screened the genes were first detected their expression in just specified primordial germ cells, that resulted in identification of Rest/NRSF gene. So we generated knock-out mice for Rest gene. The results showed that the number of primordial germ cells at migrating stage in Rest mutant embryos significantly decreased, compared with that in wild embryos, it caused by apoptotic cell death, but not defect of proliferation rate of primordial germ cells.

Report

(3 results)
  • 2009 Annual Research Report   Final Research Report ( PDF )
  • 2008 Annual Research Report
  • Research Products

    (6 results)

All 2010 2008

All Journal Article (2 results) (of which Peer Reviewed: 2 results) Presentation (4 results)

  • [Journal Article] Requirement of Oct3/4 function for germ cell specification.2008

    • Author(s)
      D. Okamura, Y. Tokitake, H. Niwa, Y. Matsui.
    • Journal Title

      Dev Biol. 317(2)

      Pages: 576-584

    • Related Report
      2009 Final Research Report
    • Peer Reviewed
  • [Journal Article] Requirement of Oct3/4 function for germ cell specification2008

    • Author(s)
      Okamura et.al.
    • Journal Title

      Developmental Biology 312(2)

      Pages: 576-584

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Presentation] 多能性関連分子が制御するマウス始原生殖細胞の分化決定システムの解明2010

    • Author(s)
      岡村大治, その他
    • Organizer
      シンポジウム「仙台・動物発生コロキウム」
    • Place of Presentation
      仙台・東北大学
    • Year and Date
      2010-01-22
    • Related Report
      2009 Final Research Report
  • [Presentation] 多能性関連分子が制御するマウス始原生殖細胞の分化決定システムの解明2010

    • Author(s)
      岡村大治, その他
    • Organizer
      シンポジウム「仙台・動物発生コロキウム」
    • Place of Presentation
      仙台・東北大学萩ホール
    • Year and Date
      2010-01-22
    • Related Report
      2009 Annual Research Report
  • [Presentation] Frontiers in Developmental Biology2008

    • Author(s)
      Okamura, et al.
    • Organizer
      Requirement of Oct3/4 function for germ cell specification.
    • Place of Presentation
      Giens, Southern France
    • Related Report
      2009 Final Research Report
  • [Presentation] Requirement of Oct3/4 function for germ cell specification2008

    • Author(s)
      Okamura et.al.
    • Organizer
      Frontiers in Developmental Biology
    • Place of Presentation
      Giens, Southern France
    • Related Report
      2008 Annual Research Report

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Published: 2008-04-01   Modified: 2016-04-21  

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