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Identification of the mechanism underlying the maintenance of hair inductivity, toward the realization of hair regenerative medicine using autologous hair stem cells and its clinical application

Research Project

Project/Area Number 18K08311
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Review Section Basic Section 53050:Dermatology-related
Research InstitutionToho University

Principal Investigator

NIIYAMA Shiro  東邦大学, 医学部, 准教授 (80286286)

Project Period (FY) 2018-04-01 – 2021-03-31
Project Status Completed (Fiscal Year 2020)
Budget Amount *help
¥4,290,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥990,000)
Fiscal Year 2020: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2019: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2018: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
Keywords再生医療 / 毛球部毛根鞘細胞
Outline of Final Research Achievements

We are engaged in research using dermal sheath cup cells (DSCC) in the field of hair regenerative medicine. It is a breakthrough cell therapy with the potential to provide new treatment options for patients with androgenetic alopecia. We have identified Gremlin (GREM) as a gene that is specifically expressed in the DSC. Investigation of the mRNA expression levels of GREM by in situ hybridization revealed localization of GREM2 in the DSC, with no expression in the middle-portion (extending to the bulge) of the hair follicle. Expression of GREM2 in the DSC was observed at different stages of the hair cycle, even during the anagen and catagen phases, and even in miniaturized follicles that were almost one-half of their original size.

Academic Significance and Societal Importance of the Research Achievements

本研究結果は再生能力の維持に必須の因子、生理条件を確定することにより、毛髪再生治療の有効性を向上させることを目的とする。更に、毛髪の再生機構は腎臓、心臓、肺等の重要な内臓器官と類似点が多く、本研究で明らかにされた因子および生理条件は再生医療全般の治療技術の向上への貢献が期待される。

Report

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

    (4 results)

All 2020 2018

All Journal Article (1 results) (of which Peer Reviewed: 1 results) Presentation (3 results)

  • [Journal Article] Gene expression profiling of the intact dermal sheath cup of human hair follicles2018

    • Author(s)
      Shiro Niiyama, Yumiko Ishimatsu-Tsuji, Yosuke Nakazawa, Yuzo Yoshida, Tsutomu Soma, Ritsuro Ideta, Hideki Mukai, Jiro Kishimoto
    • Journal Title

      Acta Dermato-Venereologica

      Volume: 98 Issue: 7 Pages: 694-698

    • DOI

      10.2340/00015555-2949

    • Related Report
      2018 Research-status Report
    • Peer Reviewed
  • [Presentation] Niche formed by bone morphogenetic protein antagonists gremlin 1 and gremlin 2 in human hair follicles2020

    • Author(s)
      新山史朗、辻 弓子、岸本治郎
    • Organizer
      第28回毛髪科学研究会
    • Related Report
      2020 Annual Research Report
  • [Presentation] ヒト毛球部毛根鞘細胞の特性解析:Gremlin 2を中心に2020

    • Author(s)
      新山史朗、辻 弓子、岸本治郎
    • Organizer
      第19回日本再生医療学会総会
    • Related Report
      2019 Research-status Report
  • [Presentation] ヒト毛球部毛根鞘組織における遺伝子発現プロファイルの解析2018

    • Author(s)
      新山史朗、辻 弓子、中沢陽介、吉田雄三、相馬 勤、出田立郎、向井秀樹、岸本治郎
    • Organizer
      第23回日本臨床毛髪学会学術大会
    • Related Report
      2018 Research-status Report

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Published: 2018-04-23   Modified: 2022-01-27  

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