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Creating a catalog of somatic stem cells in amphibians with high regenerative potential

Research Project

Project/Area Number 18K11544
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Review Section Basic Section 62010:Life, health and medical informatics-related
Research InstitutionUniversity of Tsukuba (2020-2021)
National Institute of Advanced Industrial Science and Technology (2018-2019)

Principal Investigator

Ito Yuzuru  筑波大学, 生命環境系, 教授 (30500079)

Project Period (FY) 2018-04-01 – 2022-03-31
Project Status Completed (Fiscal Year 2021)
Budget Amount *help
¥4,550,000 (Direct Cost: ¥3,500,000、Indirect Cost: ¥1,050,000)
Fiscal Year 2020: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2019: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
Fiscal Year 2018: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
Keywords再生 / 間葉系幹細胞 / 哺乳類 / 両生類 / 遺伝子 / 体性幹細胞 / 発生
Outline of Final Research Achievements

An important phenomenon in regenerative medicine is the formation of vascular networks. In this study, it was clarified that multiple secreted factors, which are also greatly involved in the actual formation of the vascular network and in amphibian limb bud regeneration, but whose detailed functions were not yet known, are greatly involved in the construction of the vascular network. In addition, it is now clear that there are factors that are important in the process of angiogenesis (proliferation, migration, and stabilization), and that normal angiogenesis does not occur when only some of these factors are involved. In particular, it became clear that factors such as VEGF, IGF, EGF, and bFGF, which have been widely reported, are particularly involved in the proliferative phase, the initial stage of angiogenesis, while other factors are important in the subsequent migratory and stabilization phases.

Academic Significance and Societal Importance of the Research Achievements

本研究において、種をまたいで形態形成に重要な因子が存在していることが改めて分かり、目的に応じて適切なモデル系を選択/構築することで研究を進めることの優位性が示された。また、今後再生医療等の治療効果をあげるためには、それらの因子の時間的な妥当性や協調作用まで考えて進めなければならないことも明らかになった。

Report

(5 results)
  • 2021 Annual Research Report   Final Research Report ( PDF )
  • 2020 Research-status Report
  • 2019 Research-status Report
  • 2018 Research-status Report
  • Research Products

    (3 results)

All 2020 2019 2018

All Journal Article (3 results) (of which Peer Reviewed: 3 results,  Open Access: 2 results)

  • [Journal Article] Application of a human mesoderm tissue elongation system in vitro derived from human induced pluripotent stem cells to risk assessment for teratogenic chemicals2020

    • Author(s)
      Ninomiya Hiromasa、Intoh Atsushi、Ishimine Hisako、Onuma Yasuko、Ito Yuzuru、Michiue Tatsuo、Tazaki Akira、Kato Masashi
    • Journal Title

      Chemosphere

      Volume: 250 Pages: 126124-126124

    • DOI

      10.1016/j.chemosphere.2020.126124

    • Related Report
      2019 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] A comprehensive reference transcriptome resource for the Iberian ribbed newt Pleurodeles waltl, an emerging model for developmental and regeneration biology2019

    • Author(s)
      Matsunami Masatoshi、Suzuki Miyuki、Haramoto Yoshikazu、Fukui Akimasa、Inoue Takeshi、Yamaguchi Katsushi、Uchiyama Ikuo、Mori Kazuki、Tashiro Kosuke、Ito Yuzuru、Takeuchi Takashi、Suzuki Ken-ichi T、Agata Kiyokazu、Shigenobu Shuji、Hayashi Toshinori
    • Journal Title

      DNA Research

      Volume: 印刷中 Issue: 3 Pages: 217-229

    • DOI

      10.1093/dnares/dsz003

    • Related Report
      2019 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Roles of Xenopus chemokine ligand CXCLh (XCXCLh) in early embryogenesis.2018

    • Author(s)
      Goto T., Ito Y., Michiue T.
    • Journal Title

      Dev Growth Differ.

      Volume: 印刷中 Issue: 4 Pages: 226-238

    • DOI

      10.1111/dgd.12432

    • Related Report
      2018 Research-status Report
    • Peer Reviewed

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Published: 2018-04-23   Modified: 2023-01-30  

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