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Improvement of somatic cell nuclear transfer technology by modulating H3.3 amount in chromatin

Research Project

Project/Area Number 20K15705
Research Category

Grant-in-Aid for Early-Career Scientists

Allocation TypeMulti-year Fund
Review Section Basic Section 42040:Laboratory animal science-related
Research InstitutionThe University of Tokyo (2021-2022)
Institute of Physical and Chemical Research (2020)

Principal Investigator

Hada Masashi  東京大学, 定量生命科学研究所, 助教 (10802746)

Project Period (FY) 2020-04-01 – 2023-03-31
Project Status Completed (Fiscal Year 2022)
Budget Amount *help
¥4,290,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥990,000)
Fiscal Year 2022: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2021: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2020: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Keywordsヒストンバリアント / 体細胞核移植 / 胚体外系列 / H3K9me3 / ChIP-seq / 高次クロマチン構造 / 初期発生 / histone variant / SCNT / early development / H3.1/H3.2 / H3.3 / epigenetics / 体細胞核移植法 / 初期胚 / エピジェネティクス
Outline of Research at the Start

体細胞核移植法は分化した細胞核からクローン個体を作製できる技術であるが、未だ成功率は低い。特に着床後に観察される胎盤形成異常は、現状のどのような方法を駆使しても改善することができていない。一方で最近、遺伝子発現の促進に重要なエピゲノム因子であるヒストンH3バリアントH3.3が、胎盤発生に重要であることが報告された。そこで本研究では、クローン胚において核内H3.3量を操作することにより、クローン胚の胎盤発生異常を改善し、更にH3.3の生物学的な意義について学術的知見を得ることを目的としている。

Outline of Final Research Achievements

This study aims to improve the success rate of somatic cell nuclear transfer (SCNT) through the overexpression of histone H3 variant H3.3. Notable achievements include: 1) analysis using extra-embryonic tissue cells revealed that H3.1/H3.2 acted as a barrier to the SCNT method and its mechanism; 2) the overexpression of H3.3 improved the success rate of the SCNT method.

Academic Significance and Societal Importance of the Research Achievements

本研究では H3.3 を用いた新しい SCNT 法の改善方法を提供すると共に、H3.1/H3.2 によって SCNT 法が阻害されるメカニズムを明らかにした。これらの知見は SCNT 法の実用化のみならず、初期胚発生メカニズムの理解や再生医療に進展に貢献できると期待される。なお、本研究では胎盤系列の細胞からクローンマウスを作出したが、これは世界で初めての成果である。

Report

(4 results)
  • 2022 Annual Research Report   Final Research Report ( PDF )
  • 2021 Research-status Report
  • 2020 Research-status Report
  • Research Products

    (13 results)

All 2022 2021 2020 Other

All Journal Article (6 results) (of which Int'l Joint Research: 2 results,  Peer Reviewed: 6 results,  Open Access: 6 results) Presentation (4 results) (of which Invited: 1 results) Remarks (3 results)

  • [Journal Article] Suppression of endogenous retroviral enhancers in mouse embryos derived from somatic cell nuclear transfer2022

    • Author(s)
      Shikata Daiki、Matoba Shogo、Hada Masashi、Sakashita Akihiko、Inoue Kimiko、Ogura Atsuo
    • Journal Title

      Frontiers in Genetics

      Volume: 13 Pages: 1032760-1032760

    • DOI

      10.3389/fgene.2022.1032760

    • Related Report
      2022 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Highly rigid H3.1/H3.2-H3K9me3 domains set a barrier for cell fate reprogramming in trophoblast stem cells2022

    • Author(s)
      Hada M, Miura H, Tanigawa A, Matoba S, Inoue K, Ogonuki N, Hirose M, Watanabe N, Nakato R, Fujiki K, Hasegawa A, Sakashita A, Okae H, Miura K, Shikata D, Arima T, Shirahige K, Hiratani I, Ogura A.
    • Journal Title

      Genes Dev

      Volume: 36 Issue: 1-2 Pages: 84-102

    • DOI

      10.1101/gad.348782.121

    • Related Report
      2021 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] CRISPR/Cas9-based genetic screen of SCNT-reprogramming resistant genes identifies critical genes for male germ cell development in mice2021

    • Author(s)
      Akter Most Sumona、Hada Masashi、Shikata Daiki、Watanabe Gen、Ogura Atsuo、Matoba Shogo
    • Journal Title

      Scientific Reports

      Volume: 11 Issue: 1 Pages: 15438-15438

    • DOI

      10.1038/s41598-021-94851-9

    • Related Report
      2021 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Easy and quick (EQ) sperm freezing method for urgent preservation of mouse strains2021

    • Author(s)
      Mochida Keiji、Hasegawa Ayumi、Shikata Daiki、Itami Nobuhiko、Hada Masashi、Watanabe Naomi、Tomishima Toshiko、Ogura Atsuo
    • Journal Title

      Scientific Reports

      Volume: 11 Issue: 1 Pages: 14149-14149

    • DOI

      10.1038/s41598-021-93604-y

    • Related Report
      2021 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Loss of H3K27me3 imprinting in the Sfmbt2 miRNA cluster causes enlargement of cloned mouse placentas2020

    • Author(s)
      Inoue Kimiko、Ogonuki Narumi、Kamimura Satoshi、Inoue Hiroki、Matoba Shogo、Hirose Michiko、Honda Arata、Miura Kento、Hada Masashi、Hasegawa Ayumi、Watanabe Naomi、Dodo Yukiko、Mochida Keiji、Ogura Atsuo
    • Journal Title

      Nature Communications

      Volume: 11 Issue: 1 Pages: 2150-2150

    • DOI

      10.1038/s41467-020-16044-8

    • Related Report
      2020 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Germ cell depletion in recipient testis has adverse effects on spermatogenesis in orthotopically transplanted testis pieces via retinoic acid insufficiency2020

    • Author(s)
      Tsuchimoto Akihiro、Tone Masaaki、Ogonuki Narumi、Hada Masashi、Ogura Atsuo、Takashima Seiji
    • Journal Title

      Scientific Reports

      Volume: 10 Issue: 1 Pages: 10796-10796

    • DOI

      10.1038/s41598-020-67595-1

    • Related Report
      2020 Research-status Report
    • Peer Reviewed / Open Access
  • [Presentation] 精子核凝縮過程におけるクロマチンの動態解析2022

    • Author(s)
      羽田政司、福田裕子、古賀千津子、井上絵里奈、藤原靖浩、岡田由紀
    • Organizer
      第115回日本繁殖生物学会大会
    • Related Report
      2022 Annual Research Report
  • [Presentation] 精子核凝縮過程におけるクロマチンの動態解析2022

    • Author(s)
      羽田政司、福田裕子、古賀千津子、井上絵里奈、藤原靖浩、岡田由紀
    • Organizer
      第45回日本分子生物学会年会
    • Related Report
      2022 Annual Research Report
  • [Presentation] 胚体外系列の細胞に特徴的なH3K9me3の巨大ドメインは、体細胞核移植法に対して強い抵抗性を示す2021

    • Author(s)
      羽田政司
    • Organizer
      第114回日本繁殖生物学会大会
    • Related Report
      2021 Research-status Report
    • Invited
  • [Presentation] 胚体外組織におけるヒストンH3バリアントH3.1/2の機能解析2020

    • Author(s)
      1),羽田政司, 中戸隆一郎, 岡江寛明, 廣瀬美智子, 有馬隆博, 白髭克彦, 小倉淳郎
    • Organizer
      第113回日本繁殖生物学会大会
    • Related Report
      2020 Research-status Report
  • [Remarks] Research Highlight

    • URL

      https://www.riken.jp/en/news_pubs/research_news/rr/20220401_1/index.html

    • Related Report
      2021 Research-status Report
  • [Remarks] 胎盤らしさを支える分子基盤を解明

    • URL

      https://www.riken.jp/press/2022/20220118_1/index.html

    • Related Report
      2021 Research-status Report
  • [Remarks] 胎盤らしさを支える分子基盤を解明

    • URL

      https://research-er.jp/articles/view/106845

    • Related Report
      2021 Research-status Report

URL: 

Published: 2020-04-28   Modified: 2024-01-30  

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