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Development of molecular-targeted therapies for pain control on inhibiting porosity of the vertebral endplate and bone loss

Research Project

Project/Area Number 21K16679
Research Category

Grant-in-Aid for Early-Career Scientists

Allocation TypeMulti-year Fund
Review Section Basic Section 56020:Orthopedics-related
Research InstitutionUniversity of Toyama

Principal Investigator

Makino Hiroto  富山大学, 附属病院, 助教 (50816022)

Project Period (FY) 2021-04-01 – 2023-03-31
Project Status Completed (Fiscal Year 2022)
Budget Amount *help
¥4,550,000 (Direct Cost: ¥3,500,000、Indirect Cost: ¥1,050,000)
Fiscal Year 2022: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
Fiscal Year 2021: ¥2,730,000 (Direct Cost: ¥2,100,000、Indirect Cost: ¥630,000)
Keywords椎間板 / 椎体終板 / c-Fos / 骨性欠損 / 脊椎 / 破骨細胞
Outline of Research at the Start

脊椎は主に椎間板と椎体によって構成される。椎間板の退行性変化は腰痛症や脊柱管狭窄症を、椎体の老化は骨粗鬆症性椎体骨折を引き起こす。しかし、椎間板と椎体の機能を同時に改善し得る治療法は未だ存在しない。我々は、T-5224が細胞外マトリックス代謝不均衡による椎間板変性と疼痛を抑制することを明らかにした。さらに近年、椎体終板に存在する破骨細胞の活性化が、疼痛を惹起する可能性が報告された。転写因子c-Fosは、破骨細胞の分化に必須である。本研究では、T-5224の椎体終板の多孔化抑制効果、骨量減少抑制効果、疼痛抑制効果を明らかにし、椎間板と椎体の機能を同時に改善し得る新規分子標的治療法の創出を目指す。

Outline of Final Research Achievements

In this study, we have focused on bone defects of the vertebral endplate and its pathogenesis and controlled its molecular mechanism so that inhibiting spinal degenerative changes and pain. CT imaging analysis revealed the defects in the endplate of patients with lumbar disc disease. We confirmed the effect of selective c-Fos/AP-1 inhibitors on osteoclast differentiation, which have the effect of ameliorating the imbalance in extracellular matrix metabolism in the intervertebral disc. It was found that the differentiation of mouse bone marrow-derived stem cells into osteoclasts was inhibited by the addition of selective c-Fos/AP-1 inhibitors. The results suggest that selective c-Fos/AP-1 inhibition may be useful in suppressing the bone defects of the endplate.

Academic Significance and Societal Importance of the Research Achievements

これまでに椎間板変性ならびに椎間板に関連する疼痛抑制効果および骨量増加効果を併せ持つ薬剤はなく、本研究でそれを示すことができれば、臨床応用も考慮されうる。脊椎退行性疾患患者における骨粗鬆症の合併例は稀ではなく、手術に至らない患者において、疼痛の軽減と骨量増加を期待できる治療法として確立することができれば、社会的利益は大きい。

Report

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

    (7 results)

All 2023 2022 2021

All Journal Article (6 results) (of which Int'l Joint Research: 2 results,  Peer Reviewed: 6 results,  Open Access: 5 results) Presentation (1 results)

  • [Journal Article] Association of Inflammation, Ectopic Bone Formation, and Sacroiliac Joint Variation in Ossification of the Posterior Longitudinal Ligament2023

    • Author(s)
      Tung Nguyen Tran Canh、He Zhongyuan、Makino Hiroto、Yasuda Taketoshi、Seki Shoji、Suzuki Kayo、Watanabe Kenta、Futakawa Hayato、Kamei Katsuhiko、Kawaguchi Yoshiharu
    • Journal Title

      Journal of Clinical Medicine

      Volume: 12 Issue: 1 Pages: 349-349

    • DOI

      10.3390/jcm12010349

    • Related Report
      2022 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Morphological characteristics of DISH in patients with OPLL and its association with high-sensitivity CRP: inflammatory DISH2022

    • Author(s)
      Nguyen Tran Canh Tung、Yahara Yasuhito、Yasuda Taketoshi、Seki Shoji、Suzuki Kayo、Watanabe Kenta、Makino Hiroto、Kamei Katsuhiko、Mori Kanji、Kawaguchi Yoshiharu
    • Journal Title

      Rheumatology

      Volume: 61 Issue: 10 Pages: 3981-3988

    • DOI

      10.1093/rheumatology/keac051

    • Related Report
      2022 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Association of Ligamentum Flavum Hypertrophy with Adolescent Idiopathic Scoliosis Progression-Comparative Microarray Gene Expression Analysis2022

    • Author(s)
      Seki S, Iwasaki M, Makino H, Yahara Y, Kondo M, Kamei K, Futakawa H, Nogami M, Watanabe K, Tran Canh Tung N, Hirokawa T, Tsuji M, Kawaguchi Y.
    • Journal Title

      Int J Mol Sci .

      Volume: 23 Issue: 9 Pages: 5038-5038

    • DOI

      10.3390/ijms23095038

    • Related Report
      2022 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Direct Reprogramming and Induction of Human Dermal Fibroblasts to Differentiate into iPS-Derived Nucleus Pulposus-like Cells in 3D Culture2022

    • Author(s)
      Seki Shoji、Iwasaki Mami、Makino Hiroto、Yahara Yasuhito、Miyazaki Yoshitaka、Kamei Katsuhiko、Futakawa Hayato、Nogami Makiko、Tran Canh Tung Nguyen、Hirokawa Tatsuro、Tsuji Mamiko、Kawaguchi Yoshiharu
    • Journal Title

      International Journal of Molecular Sciences

      Volume: 23 Issue: 7 Pages: 4059-4059

    • DOI

      10.3390/ijms23074059

    • Related Report
      2022 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Efficacy of surgeon-directed postoperative local injection with an analgesic mixture in posterior fusion surgery for adolescent idiopathic scoliosis2022

    • Author(s)
      Makino Hiroto、Seki Shoji、Kamei Katsuhiko、Yahara Yasuhito、Kawaguchi Yoshiharu
    • Journal Title

      BMC Musculoskeletal Disorders

      Volume: 23 Issue: 1

    • DOI

      10.1186/s12891-022-05158-3

    • Related Report
      2021 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Surgery for L5 radiculopathy with lumbosacral transitional vertebrae2021

    • Author(s)
      牧野 紘士、関 庄二、安田 剛敏、亀井 克彦、川口 善治
    • Journal Title

      The Central Japan Journal of Orthopaedic Surgery & Traumatology

      Volume: 64 Issue: 2 Pages: 249-250

    • DOI

      10.11359/chubu.2021.249

    • NAID

      130008075693

    • ISSN
      0008-9443, 1349-0885
    • Year and Date
      2021-03-01
    • Related Report
      2021 Research-status Report
    • Peer Reviewed
  • [Presentation] 腰部脊柱管狭窄症におけるSkip lesionに関連する因子の検討2021

    • Author(s)
      牧野 紘士, 関 庄二, 安田 剛敏, 鈴木 賀代, 箭原 康人, 渡邉 健太, 亀井 克彦, 川口 善治
    • Organizer
      第50回日本脊椎脊髄病学会学術集会
    • Related Report
      2021 Research-status Report

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Published: 2021-04-28   Modified: 2024-01-30  

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