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Neuron regenerative therapy by direct reprogramming of equine dermal fibroblasts

Research Project

Project/Area Number 16K08089
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Integrative animal science
Research InstitutionAzabu University

Principal Investigator

Ishihara Akikazu  麻布大学, 獣医学部, 講師 (80707224)

Project Period (FY) 2016-04-01 – 2019-03-31
Project Status Completed (Fiscal Year 2018)
Budget Amount *help
¥4,810,000 (Direct Cost: ¥3,700,000、Indirect Cost: ¥1,110,000)
Fiscal Year 2018: ¥3,250,000 (Direct Cost: ¥2,500,000、Indirect Cost: ¥750,000)
Fiscal Year 2017: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2016: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Keywords再生医療 / 神経治癒 / 皮膚線維芽細胞 / ウマ / 移植・再生医療 / 外科 / 再生医学 / 獣医学
Outline of Final Research Achievements

In this study, equine dermal fibroblast selected by flowcytometry can be derived into neuron-pathway by specific medium and the injection of these cells into spinal cord explant resulted in the significant upregulation of neuron-related gene expression. In addition, endoscopic direct injection of these cells into the cervical spinal cord tissue in horses induced the neuron-relative gene upregulation in the host cells surrounding the injection site as well. These results demonstrated that dermal fibroblasts harvested from skin tissue can be derived into neuron by direct-reprogramming and used for spinal cord regeneration by direct injection for the treatment sites.

Academic Significance and Societal Importance of the Research Achievements

本研究の結果から、皮膚組織から分離した線維芽細胞を、ダイレクトリプログラミングにて神経系細胞に分化させ、それらを脊髄組織内に注射することで、損傷した神経組織の再生を誘導できることが確認された。このような「迅速な神経の再生医療」では、皮膚組織を採取した後、その日のうちに実施可能な再生医療として、脊髄疾患の治療指針を革新する、究極の治療法になるものと期待される。また、内視鏡を使って非侵襲的に細胞を注射するという、マイクロ医療と細胞治療の融合が達成されれば、脳疾患に対する再生医療も革新的に発展させると考えられる。

Report

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

    (1 results)

All 2018

All Presentation (1 results)

  • [Presentation] 馬を用いた直接転換法による迅速な神経の再生医療の基盤技術の確立2018

    • Author(s)
      石原章和
    • Organizer
      第162回 日本獣医学会学術集会
    • Related Report
      2018 Annual Research Report

URL: 

Published: 2016-04-21   Modified: 2020-03-30  

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