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Timing-dependent effects of ERK/MAPK effects on early embryogenesis

Research Project

Project/Area Number 25440103
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Developmental biology
Research InstitutionKeio University

Principal Investigator

KURODA Hiroki  慶應義塾大学, 環境情報学部, 准教授 (70402229)

Project Period (FY) 2013-04-01 – 2016-03-31
Project Status Completed (Fiscal Year 2015)
Budget Amount *help
¥5,330,000 (Direct Cost: ¥4,100,000、Indirect Cost: ¥1,230,000)
Fiscal Year 2015: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2014: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2013: ¥2,470,000 (Direct Cost: ¥1,900,000、Indirect Cost: ¥570,000)
KeywordsERK / ツメガエル / 顕微注入 / FGF / MAPK / MEK / アフリカツメガエル / 初期発生 / MBT / hsp / 基礎バイオ研究 / トランスジェニック / ラパマイシン / FRB / エレクトロポレーション
Outline of Final Research Achievements

The main purpose of this study is to show the evidence that output phenotypes are variously changed in timing-dependent manner of ERK activation in early developmental stages in vertebrates. Phenotypical effects by microinjection of several mRNAs or DNAs into Xenopus embryos showed that obvious turning points of ERK effects were existed at pre-blastula, mid-blastula, and gastrula stages. Incidentally, new DNA constructs to activate ERK by exposure of the reagent Rapamycin or by heat treatment were also created in this study. They should be adaptable for observation of ERK activation effects in later stages by transgenic assay and for various cell biological assays.

Report

(4 results)
  • 2015 Annual Research Report   Final Research Report ( PDF )
  • 2014 Research-status Report
  • 2013 Research-status Report
  • Research Products

    (4 results)

All 2016 2014 2013 Other

All Journal Article (2 results) (of which Peer Reviewed: 2 results,  Open Access: 1 results,  Acknowledgement Compliant: 1 results) Presentation (2 results)

  • [Journal Article] Sirtuin inhibitor Ex-527 causes neural tube defects, ventral edema formations, and gastrointestinal malformations in Xenopus laevis embryos.2014

    • Author(s)
      Yoshihisa Ohata, Shinya Matsukawa, Yuki Moriyama, Tatsuo Michiue, Kenta Morimoto, Yuka Sato, Hiroki Kuroda
    • Journal Title

      Development, Growth & Differentiation

      Volume: 56 Issue: 6 Pages: 460-468

    • DOI

      10.1111/dgd.12145

    • Related Report
      2014 Research-status Report
    • Peer Reviewed / Open Access / Acknowledgement Compliant
  • [Journal Article] beta-adrenergic signaling promotes posteriorization in Xenopus early development2013

    • Author(s)
      Shoko Mori
    • Journal Title

      Development Growth and Differentiation

      Volume: 55 Issue: 3 Pages: 350-358

    • DOI

      10.1111/dgd.12046

    • Related Report
      2013 Research-status Report
    • Peer Reviewed
  • [Presentation] ERKの活性化に対して両生類の初期胚が示す時期特異的な反応2016

    • Author(s)
      藤川昂、黒田裕樹
    • Organizer
      日本発生生物学会
    • Place of Presentation
      市民会館崇城大学ホール(熊本県)
    • Year and Date
      2016-06-01
    • Related Report
      2015 Annual Research Report
  • [Presentation] 初期発生において小分子が果たす役割

    • Author(s)
      黒田裕樹
    • Organizer
      日本ツメガエル研究集会
    • Place of Presentation
      山口県
    • Related Report
      2013 Research-status Report

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Published: 2014-07-25   Modified: 2019-07-29  

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