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Analysis of function and novel therapy of mesenchymal mesenchymal stem cell marker Meflin

Research Project

Project/Area Number 20K08589
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Review Section Basic Section 53040:Nephrology-related
Research InstitutionNagoya University

Principal Investigator

Saito Shoji  名古屋大学, 医学部附属病院, 病院講師 (00635609)

Co-Investigator(Kenkyū-buntansha) 丸山 彰一  名古屋大学, 医学系研究科, 教授 (10362253)
古橋 和拡  名古屋大学, 医学部附属病院, 病院講師 (50835121)
榎本 篤  名古屋大学, 医学系研究科, 教授 (20432255)
Project Period (FY) 2020-04-01 – 2023-03-31
Project Status Completed (Fiscal Year 2022)
Budget Amount *help
¥4,420,000 (Direct Cost: ¥3,400,000、Indirect Cost: ¥1,020,000)
Fiscal Year 2022: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2021: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2020: ¥2,210,000 (Direct Cost: ¥1,700,000、Indirect Cost: ¥510,000)
Keywords腎線維化 / 間葉系幹細胞 / 血管周囲間葉系細胞 / 線維化
Outline of Research at the Start

1)Meflinの正常腎ならびに疾患モデルマウスにおける発現を正常マウスならびにMeflinノックアウトマウスを用いて解析する
2)Meflin陽性細胞の腎線維化に関する役割をMeflin-CreERT2;Rosa26-LSL-tdtomatoマウスを用いて経時的・空間的に系譜追跡し解明する
3)Meflin-ZsGreen-DTR-Creマウスを用いてMeflin陽性細胞を消去し、その役割を解明する
4)Meflinの発現を誘導することにより、腎線維化進展や臓器不全の予防につながる治療法を開発する

Outline of Final Research Achievements

Analysis was performed using normal mice, Meflin knockout mice, and Meflin-CreERT2;Rosa26-LSL-tdtomato mice.
We also analysed Meflin-positive cells by using Meflin-ZsGreen-DTR-Cre mice and clarified its role.
By using these methods, we found out that Meflin is could be a molecule with anti-fibrotic effects and can be a marker for a new subgroup of perivascular mesenchymal cells in the kidney, and also was suggested to contribute to tissue repair.

Academic Significance and Societal Importance of the Research Achievements

腎線維化に関する研究は熾烈を極めており、様々な視点に基づいたアプローチが成されている。腎線維化には主に腎間質の間葉系細胞が関与するが、近年の研究ではPericyteを含む血管周囲間葉系細胞(Perivascular mesenchymal cell: PMC)がMyofibroblastに分化し、線維化の中心的な役割を担っていることが報告されている。
今回我々は、Meflinは抗線維化作用を持つ分子であり、腎臓におけるPMCの新規サブグループのマーカーになりうること、また腎障害時にはMeflin陽性細胞が増殖・分化し腎臓の線維化、組織修復に寄与する可能性を見出した。

Report

(4 results)
  • 2022 Annual Research Report   Final Research Report ( PDF )
  • 2021 Research-status Report
  • 2020 Research-status Report
  • Research Products

    (8 results)

All 2022 2021 2020 Other

All Journal Article (1 results) (of which Int'l Joint Research: 1 results,  Peer Reviewed: 1 results,  Open Access: 1 results) Presentation (3 results) (of which Int'l Joint Research: 1 results) Book (1 results) Remarks (3 results)

  • [Journal Article] A novel renal perivascular mesenchymal cell subset gives rise to fibroblasts distinct from classic myofibroblasts2022

    • Author(s)
      Minatoguchi S, Saito S, Furuhashi K, Sawa Y, Okazaki M, Shimamura Y, Kaihan AB, Hashimoto Y, Yasuda Y, Hara A, Mizutani Y, Ando R, Kato N, Ishimoto T, Tsuboi N, Esaki N, Matsuyama M, Shiraki Y, Kobayashi H, Asai N, Enomoto A, Maruyama S.
    • Journal Title

      Sci Rep.

      Volume: 12(1) Issue: 1 Pages: 5389-5389

    • DOI

      10.1038/s41598-022-09331-5

    • Related Report
      2022 Annual Research Report 2021 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Presentation] A novel renal perivascular mesenchymal cell subset that expresses mesenchymal stem cell marker Meflin (Islr) and gives rise to fibroblasts distinct from classic myofibroblasts2021

    • Author(s)
      湊口俊、齋藤尚二、榎本篤、丸山彰一
    • Organizer
      Japan Kidney Council
    • Related Report
      2021 Research-status Report
  • [Presentation] 腎血管周囲間葉系細胞(Perivascular mesenchymal cell)の新しいサブグループの同定2021

    • Author(s)
      湊口俊、齋藤尚二、榎本篤、丸山彰一
    • Organizer
      分子腎フォーラム
    • Related Report
      2021 Research-status Report
  • [Presentation] The mesenchymal stem cell marker Meflin defines a novel subset of renal fibroblasts and counteracts the action of TGFβ2020

    • Author(s)
      湊口俊、齋藤尚二、丸山彰一
    • Organizer
      American Society of Nephrology
    • Related Report
      2020 Research-status Report
    • Int'l Joint Research
  • [Book] 医学のあゆみ2022

    • Author(s)
      湊口俊, 齋藤尚二
    • Total Pages
      5
    • Publisher
      医歯薬出版
    • Related Report
      2022 Annual Research Report
  • [Remarks] 名古屋大学大学院医学系研究科 病態内科学講座腎臓内科

    • URL

      https://www.nagoya-kidney.jp/regeneration

    • Related Report
      2022 Annual Research Report
  • [Remarks] 名古屋大学 腎臓内科 研究について

    • URL

      https://www.nagoya-kidney.jp/regeneration

    • Related Report
      2021 Research-status Report
  • [Remarks] 名古屋大学大学院医学系研究科 病態内科学 腎臓内科

    • URL

      https://www.med.nagoya-u.ac.jp/kidney/research/regeneration.html

    • Related Report
      2020 Research-status Report

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Published: 2020-04-28   Modified: 2024-01-30  

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