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Analysis of the Effect of Amyloid Protein Deposition on the Mechanism of Lumbar Disc Degeneration

Research Project

Project/Area Number 22K16768
Research Category

Grant-in-Aid for Early-Career Scientists

Allocation TypeMulti-year Fund
Review Section Basic Section 56020:Orthopedics-related
Research InstitutionKumamoto University

Principal Investigator

Nakamura Takayuki  熊本大学, 病院, 特任助教 (80759887)

Project Period (FY) 2022-04-01 – 2024-03-31
Project Status Completed (Fiscal Year 2023)
Budget Amount *help
¥520,000 (Direct Cost: ¥400,000、Indirect Cost: ¥120,000)
Fiscal Year 2023: ¥260,000 (Direct Cost: ¥200,000、Indirect Cost: ¥60,000)
Fiscal Year 2022: ¥260,000 (Direct Cost: ¥200,000、Indirect Cost: ¥60,000)
Keywordsアミロイドーシス / 椎間板 / 腰椎椎間板変性 / アミロイド
Outline of Research at the Start

腰痛や下肢の痛み・しびれの原因となる腰椎椎間板ヘルニアや腰部脊柱管狭窄症には椎間板変性がその病態に関与しているが、椎間板変性のメカニズムは不明な点も多い。変性した椎間板にアミロイド沈着を認めるが、それが椎間板に与える影響は不明である。本研究はアミロイド沈着が椎間板変性にどのような影響を与えるか解明することを目的とし、椎間板変性の予防法・治療法の確立を目指す。

Outline of Final Research Achievements

Analysis of intervertebral disc tissue collected from patients with amyloidosis revealed the possibility of increased amyloid deposition in comparison with healthy subjects. In addition, amyloidosis patients have a higher incidence of intervertebral disc injury adjacent to fixation compared to healthy subjects, which is a complication of lumbar spine surgery.We believe that postoperative follow-up should be done with caution in patients with amyloidosis.

Academic Significance and Societal Importance of the Research Achievements

腰椎手術において脊椎固定術の合併症に隣接椎間障害があるが、アミロイドーシス患者は健常者と比べて固定隣接椎間障害をきたす頻度が高いことがわかった。アミロイドーシス患者の場合は注意して術後フォローが必要と考える。

Report

(3 results)
  • 2023 Annual Research Report   Final Research Report ( PDF )
  • 2022 Research-status Report
  • Research Products

    (2 results)

All 2023

All Presentation (2 results)

  • [Presentation] アミロイドーシス患者における腰椎固定術後経過の検討2023

    • Author(s)
      中村孝幸
    • Organizer
      第52回日本脊椎脊髄病学会学術集会
    • Related Report
      2023 Annual Research Report
  • [Presentation] アミロイドーシス患者における腰椎固定術後経過の検討2023

    • Author(s)
      中村 孝幸
    • Organizer
      日本脊椎脊髄病学会
    • Related Report
      2022 Research-status Report

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Published: 2022-04-19   Modified: 2025-01-30  

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