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Association between lymphangiogenesis and angiogenesis imbalance in carotid atherosclerotic lesions and PCSK9

Research Project

Project/Area Number 17K16013
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeMulti-year Fund
Research Field Cardiovascular medicine
Research InstitutionNagasaki University

Principal Investigator

Tateishi Yohei  長崎大学, 病院(医学系), 講師 (30412167)

Project Period (FY) 2017-04-01 – 2023-03-31
Project Status Completed (Fiscal Year 2022)
Budget Amount *help
¥4,160,000 (Direct Cost: ¥3,200,000、Indirect Cost: ¥960,000)
Fiscal Year 2019: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2018: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Fiscal Year 2017: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Keywords頸動脈プラーク / リンパ管 / 新生血管 / 脳梗塞 / 内頚動脈狭窄 / PCSK9 / 動脈硬化 / Low density lipoprotein
Outline of Final Research Achievements

Neovascularization densely appeared in the severely thickened lesion although those microvessels were sparse in the mildly thickened lesion. Lymphatic vessels equally exist in both the mildly and severely thickened lesions. The area stained with CD 80 in the severely thickened lesion was larger than that in the mildly thickened lesion while the area stained with CD163 was comparable in each lesion.

Academic Significance and Societal Importance of the Research Achievements

この研究で得られた知見を論文として作成し、現在投稿準備中である。これまで頸動脈プラークのリンパ管形成について検討した研究は少ない。頸動脈プラークの増大には新生血管とリンパ管のアンバランスが関わっている可能性が示唆された。つまり、動脈硬化増大因子を運ぶ新生血管が急激に増加することに、それらの因子を排出するリンパ管形成が追いつかず、プラークが増大、進展する可能性が示唆された。今後の頸動脈動脈硬化進展の治療ターゲットとして、リンパ管を増加させることも検討される。

Report

(7 results)
  • 2022 Annual Research Report   Final Research Report ( PDF )
  • 2021 Research-status Report
  • 2020 Research-status Report
  • 2019 Research-status Report
  • 2018 Research-status Report
  • 2017 Research-status Report

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Published: 2017-04-28   Modified: 2024-01-30  

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