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Tooth formation using mouse tooth progenitor cells that can fluorescently label odontoblasts and ameloblasts.

Research Project

Project/Area Number 19K10041
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Review Section Basic Section 57010:Oral biological science-related
Research InstitutionMie University

Principal Investigator

Yamazaki Hidetoshi  三重大学, 医学系研究科, 教授 (00283987)

Co-Investigator(Kenkyū-buntansha) 磯野 加奈  三重大学, 医学系研究科, 技術補佐員 (10833858)
Project Period (FY) 2019-04-01 – 2023-03-31
Project Status Completed (Fiscal Year 2022)
Budget Amount *help
¥4,290,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥990,000)
Fiscal Year 2021: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2020: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2019: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Keywordsエナメル芽細胞 / 象牙芽細胞 / Amelogenin-X / Dspp / 前駆細胞 / tdTomato / GFP / 胚性幹細胞 / Amelx / Tamoxifen / 蛍光標識 / Amelogenin / 象牙芽細胞前駆細胞 / エナメル芽細胞前駆細胞 / 歯の器官形成
Outline of Research at the Start

我々が作製した象牙芽細胞とエナメル芽細胞を別蛍光で同時標識できるマウスの歯髄・歯胚の象牙芽細胞やエナメル芽細胞を蛍光を指標に検出・単離し、遺伝子発現や表面分子発現を解析する 。次に、これらのマウス歯胚・歯髄から、器官培養にて蛍光陰性から陽性になりDSPP蛋白やAMELX蛋白を産生できる機能的な前駆細胞を同定・単離する。象牙芽細胞とエナメル芽細胞を別蛍光で同時に検出できるマウスから胚性幹細胞株を樹立し、蛍光を指標に象牙芽細胞やエナメル芽細胞の誘導を試みる。また、本系を用いて、蛍光を指標に歯への分化能を持つ口腔外の細胞集団を探索を行う。

Outline of Final Research Achievements

We established Dspp-GFP; Amelx-tdTomato double transgenic mice, that enable us to detect odontoblasts and ameloblasts as GFP-expressing cells or tdTomato-expressing cells fluorescently. Using these mice, GFP+ odontoblasts and tdtomato+ ameloblasts were identified and isolated by immunohistochemistry and flow cytometry. Furthermore, we have established embryonic stem cell lines from Dspp-GFP; Amelx-tdTomato double transgenic mice and attempted to induce GFP+ odontoblasts and tdTomato+ ameloblasts in vitro using different fluorescence markers.
In addition, from these mice, we have identified progenitor cells of odontoblasts or ameloblasts that are negative before culture but become positive for fluorescence after culture by using tooth organ culture.

Academic Significance and Societal Importance of the Research Achievements

高齢化社会におけるQuality of lifeは、非常に重要であり、特に歯の維持や歯の再生医療は大きな期待をされている。歯はエナメル質を産生するエナメル芽細胞と象牙質を産生する象牙芽細胞からなり、本研究では、初めて、象牙芽細胞特異的遺伝子dentin sialophosphoprotein及びエナメル芽細胞特異的遺伝子Amelogenin の発現を同一個体で別々の蛍光で検出できるマウスや胚性幹細胞株を作成した。これらの系は蛍光を指標にエナメル芽細胞と象牙芽細胞を簡単に検出することができ、今後期待される歯の試験管内再生や治療の有効な道具となる。

Report

(5 results)
  • 2022 Annual Research Report   Final Research Report ( PDF )
  • 2021 Research-status Report
  • 2020 Research-status Report
  • 2019 Research-status Report
  • Research Products

    (26 results)

All 2022 2021 2020 2019 Other

All Journal Article (5 results) (of which Peer Reviewed: 4 results,  Open Access: 2 results) Presentation (17 results) (of which Invited: 2 results) Remarks (4 results)

  • [Journal Article] Isolation of CD35+ follicular dendritic cells and its role in the differentiation from B cells to IgA+GL7+ cells2022

    • Author(s)
      Hikosaka-Kuniishi M, Yamane T, Isono K, Tetteh DN, Yamazaki H
    • Journal Title

      Immunology Letters

      Volume: 243 Pages: 53-60

    • DOI

      10.1016/j.imlet.2022.02.005

    • Related Report
      2022 Annual Research Report 2021 Research-status Report
    • Peer Reviewed
  • [Journal Article] Multiple cell populations generate macrophage progenitors in the early yolk sac2022

    • Author(s)
      Ito C, Hikosaka-Kuniishi M, Yamazaki H, Yamane T
    • Journal Title

      Cellular and Molecular Life Sciences

      Volume: 79 Issue: 3 Pages: 159-159

    • DOI

      10.1007/s00018-022-04203-7

    • Related Report
      2022 Annual Research Report 2021 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Simultaneous Fluorescent Identification of Odontoblasts and Ameloblasts2021

    • Author(s)
      Isono K, Takahashi E, Miyoshi I, Tsuneto M, Hikosaka-Kuniishi M, Yamane T, Yamazaki H
    • Journal Title

      J. Dent. Res.

      Volume: 100 Issue: 5 Pages: 532-541

    • DOI

      10.1177/0022034520974576

    • Related Report
      2021 Research-status Report 2020 Research-status Report
    • Peer Reviewed
  • [Journal Article] Inflammatory Skin-Derived Cytokines Accelerate Osteoporosis in Mice with Persistent Skin Inflammation.2020

    • Author(s)
      Mizutani K, Isono K, Matsushima Y, Okada K, Umaoka A, Iida S, Habe K, Hagimori K, Yamazaki H, Yamanaka K
    • Journal Title

      Int J Mol Sci.

      Volume: 21(10) Issue: 10 Pages: 3620-3620

    • DOI

      10.3390/ijms21103620

    • Related Report
      2020 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Follicular dendritic cell によるIgEとIgA抗体の産生制御機構の解明の取り組み2020

    • Author(s)
      國石(彦坂)茉里、山根利之、山崎英俊
    • Journal Title

      アレルギーの臨床 (北隆館)

      Volume: 40(12) Pages: 1013-1016

    • Related Report
      2020 Research-status Report
  • [Presentation] 修復象牙質形成における象牙芽細胞の役割2022

    • Author(s)
      松山加乃、磯野加奈、山﨑英俊
    • Organizer
      第3回Winter Dental Meeting in TSU
    • Related Report
      2022 Annual Research Report
  • [Presentation] エナメル質或いは象牙質形成不全症を呈すマウス象牙質でのデンチン及びエナメルマトリックスタンパクの発現2022

    • Author(s)
      磯野加奈、松山加乃、山﨑英俊
    • Organizer
      第3回Winter Dental Meeting in TSU
    • Related Report
      2022 Annual Research Report
  • [Presentation] エナメル質形成不全症様を呈すAmelex‐TdTomatoマウス及び象牙質形成不全症様を呈すDspp-GFPマウスの象牙質の性状分析2022

    • Author(s)
      磯野加奈、松山加乃、山崎英俊
    • Organizer
      第64回歯科基礎医学会学術大会
    • Related Report
      2022 Annual Research Report
  • [Presentation] The role of isolated CD35+ follicular dendritic cells in the differentiation from B cells to IgA+ GL7+ cells.2022

    • Author(s)
      Hikosaka-Kuniishi, Toshiyuki Yamane, Doris Tetteh Narki, Hidetoshi Yamazaki
    • Organizer
      第51回 日本免疫学会学術集会
    • Related Report
      2022 Annual Research Report
  • [Presentation] Neural crest-derived mesenchymal cells support thymic regeneration after lethal irradiation.2022

    • Author(s)
      Doris Tetteh Narki, Mari Hikosaka-Kuniishi, Hidetoshi Yamazaki
    • Organizer
      第51回 日本免疫学会学術集会
    • Related Report
      2022 Annual Research Report
  • [Presentation] Amelx-tdTomato 及びDspp-GFP ノックインマウスを用いたエナメル芽細胞及び象牙芽細胞の同定と表現型解析2022

    • Author(s)
      山崎英俊
    • Organizer
      第69回 日本実験動物学会総会
    • Related Report
      2022 Annual Research Report
    • Invited
  • [Presentation] Follicular dendritic cell-mediated enhancement of the differentiation into IgA+GL7+ cells2021

    • Author(s)
      國石(彦坂) 茉里、山根利之、山崎 英俊
    • Organizer
      第50回 日本免疫学会学術集会
    • Related Report
      2021 Research-status Report
  • [Presentation] 象牙芽細胞とエナメル芽細胞を別蛍光で標識出来るマウスによる象牙芽細胞・エナメル芽細胞の同定・単離2021

    • Author(s)
      山崎英俊
    • Organizer
      第57回日本口腔組織培養学会学術大会
    • Related Report
      2021 Research-status Report
    • Invited
  • [Presentation] エナメル質形成不全マウス(AmelxtdT♂)及び象牙質形成不全マウス(DsppGFP/GFP)を用いたエナメル質及び象牙質の構造解析の試み2021

    • Author(s)
      磯野加奈、國石(彦坂)茉里、山崎英俊
    • Organizer
      第2回Winter Dental Meeting in 津
    • Related Report
      2021 Research-status Report
  • [Presentation] Follicular dendritic cell によるレチノイン酸を介したIgA 抗体制御機序の解明への試み2021

    • Author(s)
      國石(彦坂) 茉里、磯野 加奈、山崎 英俊
    • Organizer
      第2回Winter Dental Meeting in 津
    • Related Report
      2021 Research-status Report
  • [Presentation] エナメル芽細胞と象牙芽細胞を蛍光標識できるAmelx-tdTomatoノックインマウス及びDspp-GFPノックインマウスの歯のマイクロCT解析2020

    • Author(s)
      磯野加奈、山崎英俊
    • Organizer
      第62回歯科基礎医学会学術大会
    • Related Report
      2020 Research-status Report
  • [Presentation] Amelx欠損及びDspp遺伝子欠損マウスの歯のCT解析2020

    • Author(s)
      磯野加奈、國石(彦坂)茉里、山崎英俊
    • Organizer
      第48回三重歯科・口腔外科学会
    • Related Report
      2020 Research-status Report
  • [Presentation] リンパ組織支持細胞Follicular dendritic cellによる粘膜免疫に関わるIgA抗体制御機構解明の試み2020

    • Author(s)
      國石(彦坂)茉里、磯野加奈、山崎英俊
    • Organizer
      第48回三重歯科・口腔外科学会
    • Related Report
      2020 Research-status Report
  • [Presentation] 粘膜免疫に関与するリンパ節支持細胞follicular dendritic cellの検出の試み2019

    • Author(s)
      國石ー彦坂茉里、磯野加奈、山崎英俊
    • Organizer
      第47回三重歯科・口腔外科学会
    • Related Report
      2019 Research-status Report
  • [Presentation] The role of Neural Crest-derived cells in thyme regeneration2019

    • Author(s)
      Doris Narki Tetteh, Mari Hikosaka-Kuniishi, Toshiyuki Yamane, Hidetoshi Yamazaki
    • Organizer
      第48回日本免疫学会総会・学術集会
    • Related Report
      2019 Research-status Report
  • [Presentation] Involvement of follicular dendritic cells in each LNs with IgA-production2019

    • Author(s)
      Mari Hikosaka-Kuniishi, Toshiyuki Yamane, Hidetoshi Yamazaki
    • Organizer
      第48回日本免疫学会総会・学術集会
    • Related Report
      2019 Research-status Report
  • [Presentation] Mulltiple cell populations generates macrophage progenitors in the early yolk sac2019

    • Author(s)
      Toshiyuki Yamane, Mari Hikosaka-Kuniishi, Hidetoshi Yamazaki
    • Organizer
      第48回日本免疫学会総会・学術集会
    • Related Report
      2019 Research-status Report
  • [Remarks] 三重大学医学系研究科幹細胞発生学分野

    • URL

      https://www.medic.mie-u.ac.jp/physiol_regener/

    • Related Report
      2022 Annual Research Report
  • [Remarks] 三重大学大学院医学系研究科幹細胞発生学分野 ホームページ

    • URL

      https://www.medic.mie-u.ac.jp/physiol_regener/

    • Related Report
      2021 Research-status Report
  • [Remarks] 三重大学大学院幹細胞発生学分野 ホームページ

    • URL

      http://www.medic.mie-u.ac.jp/phisiol_regener/

    • Related Report
      2020 Research-status Report
  • [Remarks] 三重大学大学院幹細胞発生学分野 ホームページ

    • URL

      http://www.medic.mie-u.ac.jp/physiol_regener/

    • Related Report
      2019 Research-status Report

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Published: 2019-04-18   Modified: 2024-01-30  

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