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Studies on the effect of oocyte microenvironment during growth on the acquisition of developmental potential of the oocytes

Research Project

Project/Area Number 18580284
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field Applied animal science
Research InstitutionNational Agricultural Research Organization

Principal Investigator

HIRAO Yuji  National Agricultural Research Organization, 高度繁殖技術研究東北サブチーム, サブチーム長 (10355349)

Project Period (FY) 2006 – 2008
Project Status Completed (Fiscal Year 2008)
Budget Amount *help
¥3,960,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥660,000)
Fiscal Year 2008: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2007: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2006: ¥1,100,000 (Direct Cost: ¥1,100,000)
Keywords発生工学 / 卵母細胞 / 発育 / 成熟 / 組織培養 / 高分子化合物 / 応用動物 / 細胞・組織 / 発生・分化 / 培養
Research Abstract

家畜の卵巣内にある発育途上の卵母細胞を効率的に発育(完成)させるための培養環境を追求した。その結果、卵母細胞の発育に合わせて酸素濃度を調節すれば胚発生能力の獲得が促進されること、培養液への糖質コルチコイドの添加も同様の促進効果をもつこと、添加する高分子化合物の種類によって潜在的胚発生能力が異なること、卵母細胞は周囲の顆粒膜細胞を増殖させるとともに黄体化を抑制していること、などを明らかにした。

Report

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

    (14 results)

All 2009 2008 2007 Other

All Journal Article (6 results) (of which Peer Reviewed: 6 results) Presentation (5 results) Remarks (2 results) Patent(Industrial Property Rights) (1 results)

  • [Journal Article] Growth of bovine oocyte-granulosa cell complexes cultured individually in microdrops of various sizes.2009

    • Author(s)
      Yuji Hirao, Manabu Shimizu, Kosuke Iga, Naoki Takenouchi
    • Journal Title

      Journal of Reproduction and Development 55(1)

      Pages: 88-93

    • NAID

      10024941178

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Growth of bovine oocyte-granulosa cell complexes cultured individually in microdrops of various sizes2009

    • Author(s)
      Yuji Hirao
    • Journal Title

      The Journal of Reproduction and Development 55(1)

      Pages: 88-93

    • NAID

      10024941178

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] In vitro growth of mouse oocytes : oocyte size at the beginning of culture influences the appropriate length of culture period.2008

    • Author(s)
      Yuji Hirao, Takashi Miyano
    • Journal Title

      Journal of Mammalian Ova Research 25(1)

      Pages: 56-62

    • NAID

      10021217774

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] 卵胞腔形成期前後の異なる発育段階から培養したウシ卵母細胞の体外発育2008

    • Author(s)
      平尾雄二, 志水学, 伊賀浩輔, 竹之内直樹
    • Journal Title

      Journal of Mammalian Ova Research 25(4)

      Pages: 266-271

    • NAID

      10024486995

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] In vitro growth of mouse oocytes : oocyte size at the beginning of culture influences the appropriate length of culture period2008

    • Author(s)
      Yuji Hirao
    • Journal Title

      Journal of Mammalian Ova Research 25(1)

      Pages: 55-62

    • NAID

      10021217774

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] 卵胞腔形成期前後の異なる発育段階から培養したウシ卵母細胞の体外発育2008

    • Author(s)
      平尾雄二
    • Journal Title

      Journal of Mammalian Ova Research 25(4)

      Pages: 266-271

    • NAID

      10024486995

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Presentation] ブタ体外発育卵母細胞の潜在的胚発生能力の獲得に及ぼす高分子化合物の影響2007

    • Author(s)
      平尾雄二
    • Organizer
      日本繁殖生物学会大会 第100回 講演要旨集
    • Place of Presentation
      東京大学(文京区)
    • Year and Date
      2007-10-22
    • Related Report
      2008 Final Research Report
  • [Presentation] ブタ体外発育卵母細胞の潜在的胚発生能力の獲得に及ぼす高分子化合物の影響2007

    • Author(s)
      平尾 雄二
    • Organizer
      日本繁殖生物学会大会 第100回
    • Place of Presentation
      東京都文京区
    • Year and Date
      2007-10-22
    • Related Report
      2007 Annual Research Report
  • [Presentation] ブタ卵母細胞の体外発育に及ぼす高分子化合物の影響2007

    • Author(s)
      平尾雄二
    • Organizer
      日本哺乳動物卵子学会 第48回大会. 講演要旨集
    • Place of Presentation
      甲府市
    • Year and Date
      2007-05-27
    • Related Report
      2008 Final Research Report
  • [Presentation] ブタ卵母細胞の体外発育に及ぼす高分子化合物の影響2007

    • Author(s)
      平尾 雄二
    • Organizer
      日本哺乳動物卵子学会、第48回大会
    • Place of Presentation
      山梨県甲府市
    • Year and Date
      2007-05-27
    • Related Report
      2007 Annual Research Report
  • [Presentation] ウシ卵母細胞の体外発育に及ぼすデキサメタゾンの影響2007

    • Author(s)
      平尾雄二, 志水学, 伊賀浩輔, 竹之内直樹
    • Organizer
      日本畜産学会第107回大会
    • Place of Presentation
      麻布大学(相模原市)
    • Year and Date
      2007-03-29
    • Related Report
      2008 Final Research Report
  • [Remarks]

    • URL

      http://tohoku.naro.affrc.go.jp/team/sub_hanshoku/index.html

    • Related Report
      2008 Final Research Report
  • [Remarks]

    • URL

      http://tohoku.naro.affrc.go.jp/team/sub_hanshoku/index.html

    • Related Report
      2008 Annual Research Report
  • [Patent(Industrial Property Rights)] 卵母細胞の培養方法及び発育方法2008

    • Inventor(s)
      平尾雄二
    • Industrial Property Rights Holder
      独立行政法人農業・食品産業技術総合研究機構
    • Acquisition Date
      2008-05-16
    • Related Report
      2008 Final Research Report

URL: 

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

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