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Effects of dietary methyl donors on development and epigenetics of bovine preimplantation embryos

Research Project

Project/Area Number 19780209
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeSingle-year Grants
Research Field Applied animal science
Research InstitutionKyoto University

Principal Investigator

IKEDA Shuntaro  Kyoto University, 大学院・農学研究科, 助教 (50447893)

Research Collaborator SUGIMOTO Miki  京都大学, 大学院農学研究科, 助教 (20243074)
KUME Shin-ichi  京都大学, 大学院農学研究科, 教授 (90355454)
Project Period (FY) 2007 – 2008
Project Status Completed (Fiscal Year 2008)
Budget Amount *help
¥3,750,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥450,000)
Fiscal Year 2008: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
Fiscal Year 2007: ¥1,800,000 (Direct Cost: ¥1,800,000)
Keywords栄養と繁殖 / メチル基栄養 / ウシ / 初期胚 / エピジェネティクス / 着床前胚 / 飼料性メチル基供与体 / エピジェネティク / メチル化 / 家畜 / 胚盤胞 / 発生 / 分化 / メチル基供与体
Research Abstract

ウシ着床前胚の発生およびエピジェネティクスにおよぼす飼料性メチル基供与体(DMD)およびその代謝産物の影響を検討した。代表的なDMDであるメチオニンの代謝産物ホモシステインをウシ体外受精胚の培養系に添加すると、胚盤胞への発生が遅れるのみならず、得られた胚盤胞のサテライトI領域のCpG配列のメチル化が有意に低下した。DMDの代謝産物がウシ胚の着床前発生に影響をおよぼすこと、さらにその影響は、ゲノムDNAのメチル化という代表的なエピジェネティクス機構への作用を伴うことが明らかにされた。

Report

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

    (10 results)

All 2009 2008 Other

All Journal Article (6 results) (of which Peer Reviewed: 6 results) Presentation (4 results)

  • [Journal Article] Expression of enzymes related to homocysteine metabolism and homocysteine sensitivity in bovine preimplantation embryos2009

    • Author(s)
      Shuntaro Ikeda, Miki Sugimoto, Shin-ichi Kume
    • Journal Title

      Reproduction, Fertility and Development 21巻

      Pages: 145-145

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Dynamic expression of vimentin in bovine blastocysts in extended in vitro culture.2009

    • Author(s)
      Ikeda S, Sugimoto M, Kume S
    • Journal Title

      Reproduction in Domestic Animals

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Expression of enzymes related to homocysteine metabolism and homocysteine sensitivity in bovine preimplantation embryos.2009

    • Author(s)
      Ikeda S, Sugimoto M, Kume S
    • Journal Title

      Reproduction, Fertility and Development 21

      Pages: 145-145

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Spatial and temporal formation of vimentin filament in bovine post-hatching blastocyst in vitro2008

    • Author(s)
      Shuntaro Ikeda, Miki Sugimoto, Shin-ichi Kume
    • Journal Title

      Biology of Reproduction Special Issue

      Pages: 95-95

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Spatial and temporal formation of vimentin filament in bovine post-hatching blastocyst in vitro.2008

    • Author(s)
      Shuntaro Ikeda, Miki Sugimoto, Shin-ichi Kume
    • Journal Title

      Program for the 41st Annual Meeting of the Study for the Study of Reprodution Special Issue(In press)

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Dynamic expression of vimentin in bovine blastocysts in extended in vitro culture

    • Author(s)
      Shuntaro Ikeda, Miki Sugimoto, Shin-ichi Kume
    • Journal Title

      Reproduction in Domestic Animals (印刷中)

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Presentation] Expression of enzymes related to homocysteine metabolism and homocysteine sensitivity in bovine preimplantation embryos2009

    • Author(s)
      Shuntaro Ikeda, Miki Sugimoto, Shin-ichi Kume
    • Organizer
      35th Annual Conference of the International Embryo Transfer Society
    • Place of Presentation
      米国カリフォルニア州サンディエゴ
    • Year and Date
      2009-01-06
    • Related Report
      2008 Final Research Report
  • [Presentation] Expression of enzymes related to homocysteine metabolism and homocysteine sensitivity in bovine preimplantation embryos2009

    • Author(s)
      Ikeda S, Sugimoto M, Kume S
    • Organizer
      35th Annual Conference of the International Embryo Transfer Society
    • Place of Presentation
      サンディエゴ・カリフォルニア・米国
    • Year and Date
      2009-01-06
    • Related Report
      2008 Annual Research Report
  • [Presentation] Spatial and temporal formation of vimentin filament in bovine post-hatching blastocyst in vitro2008

    • Author(s)
      Shuntaro Ikeda, Miki Sugimoto, Shin-ichi Kume
    • Organizer
      41st Annual Meeting of the Society for the Study of Reproduction
    • Place of Presentation
      米国ハワイ州コナ
    • Year and Date
      2008-05-28
    • Related Report
      2008 Final Research Report
  • [Presentation] Spatial and temporal formation of vimentin filament in bovine post-hatching blastocyst in vitro.2008

    • Author(s)
      Ikeda S, Sugimoto M, Kume S
    • Organizer
      the 41st Annual Meeting of the Study for the Study of Reprodution
    • Place of Presentation
      コナ・ハワイ・米国
    • Year and Date
      2008-05-28
    • Related Report
      2008 Annual Research Report

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Published: 2007-04-01   Modified: 2018-10-03  

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