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2023 Fiscal Year Final Research Report

In situ epigenetics: a new strategy for studying H3K27me3 in cellular differentiation and development

Research Project

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Project/Area Number 20K06449
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Review Section Basic Section 42030:Animal life science-related
Research InstitutionJuntendo University (2022-2023)
Waseda University (2020-2021)

Principal Investigator

Arai Daisuke  順天堂大学, 医学部, 助教 (20624951)

Project Period (FY) 2020-04-01 – 2024-03-31
Keywordsエピジェネティクス / エピゲノム編集 / ヒストン修飾 / 細胞分化
Outline of Final Research Achievements

In spite of the importance of histone modifications such as H3K27me3 in cellular differentiation and development, the true function of individual modifications scattered throughout the genome has rarely been examined. To address this issue, we developed epigenome editing tools and modified ES cells (PRC2-switch ES cells) to study in situ H3K27me3. In addition, a novel knock-in method, termed BiPoD, was developed. BiPoD allows us to efficient biallelic knock-in in mouse ES cells.

Free Research Field

エピジェネティクス

Academic Significance and Societal Importance of the Research Achievements

本研究はエピジェネティクスの重要な未解明問題に対する解決の手がかりを与えるものである。開発したエピゲノム編集ベクターやPRC2スイッチES細胞は分化や発生におけるH3K27me3の意義の解明に貢献することが期待される。また本研究で開発したBiPoDはES細胞のノックイン効率と特異性を劇的に改良する手法で、エピジェネティクスのみならず多様な研究を加速させるポテンシャルを持つ。

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Published: 2025-01-30  

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