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Mechanism of de novo methylation by DNMT3 in development

Research Project

Project/Area Number 15K07065
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Cell biology
Research InstitutionKumamoto University

Principal Investigator

Okano Masaki  熊本大学, 発生医学研究所, 准教授 (50360863)

Project Period (FY) 2015-04-01 – 2019-03-31
Project Status Completed (Fiscal Year 2018)
Budget Amount *help
¥5,070,000 (Direct Cost: ¥3,900,000、Indirect Cost: ¥1,170,000)
Fiscal Year 2017: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2016: ¥2,600,000 (Direct Cost: ¥2,000,000、Indirect Cost: ¥600,000)
Fiscal Year 2015: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Keywordsエピジェネティクス / DNAメチル化 / ES細胞 / マウスES細胞
Outline of Final Research Achievements

Chemical modification of genomic DNA by methyl-group is an epigenetic mechanism that stably maintains gene regulatory programs in cells for long-term. In this study, we focused on DNA methyltransferase Dnmt3 family that establishes new methyl modifications in the genome. We generated an experimental system using mouse ES cells for analyzing regulatory mechanisms of Dnmt3 protein complex.

Academic Significance and Societal Importance of the Research Achievements

ゲノムDNAのメチル化修飾は、遺伝子発現調節プログラムを安定に維持することによって、胚発生・造血・脳神経機能など多くの生命現象に重要な役割を果たしている。ゲノムDNAのメチル化修飾は、受精を経て一旦消去され、胚から成体まで発生・成長する過程で、さまざまな細胞に特徴的なゲノムDNAのメチル化修飾が形成される。本研究によって、胎生期・成長期においてDNAメチル化修飾が形成されるしくみへの理解が深まる。

Report

(5 results)
  • 2018 Annual Research Report   Final Research Report ( PDF )
  • 2017 Research-status Report
  • 2016 Research-status Report
  • 2015 Research-status Report
  • Research Products

    (1 results)

All 2017

All Presentation (1 results)

  • [Presentation] マウス胚発生におけるde novo DNAメチル化酵素の機能と作用機序2017

    • Author(s)
      岡野 正樹, 阪上 守人, 竹林 慎一郎, 大田 浩, 松岡 智沙, 山際 晶子, 亀井 康富
    • Organizer
      2017年度生命科学系学会合同年次大会 (ConBio2017)
    • Related Report
      2017 Research-status Report

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Published: 2015-04-16   Modified: 2020-03-30  

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