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A study of role of phospholipid metabolism in cardiovascular diseases

Research Project

Project/Area Number 16K19436
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeMulti-year Fund
Research Field Cardiovascular medicine
Research InstitutionUniversity of Yamanashi

Principal Investigator

WATANABE Kazuhiro  山梨大学, 大学院総合研究部, 臨床助教 (50535549)

Project Period (FY) 2016-04-01 – 2019-03-31
Project Status Completed (Fiscal Year 2018)
Budget Amount *help
¥3,900,000 (Direct Cost: ¥3,000,000、Indirect Cost: ¥900,000)
Fiscal Year 2018: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2017: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2016: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Keywords心血管病 / 急性大動脈解離 / リン脂質代謝 / ホスホリパーゼA2 / 大動脈解離 / 分泌性ホスホリパーゼA2 / 細胞外マトリックス / Angiotensin II / 大動脈疾患 / 脂質代謝
Outline of Final Research Achievements

This study was aimed to examine a possible role of secreted phospholipase A2 (sPLA2) in cardiovascular diseases, and to develop a new stratagy to prevent from cardiovascular diseases. As a result, group V sPLA2 is the major sPLA2 isoform expressed in aortic endothelial cells, releases oleic and linoleic acid in response to angiotensin II stimulation, and protects against acute aortic dissection in a manner dependent upon lysyloxidase-dependent extra cellular matrix stabilization.

Academic Significance and Societal Importance of the Research Achievements

急性大動脈解離は循環器領域を代表する重篤で予後不良な疾患であるが、病態を反映する動物モデルがほとんどなく、発症メカニズムに迫る報告は極めて限られている。今回の研究によって、V型分泌性ホスホリパーゼA2を起点とするリン脂質代謝が急性大動脈解離を抑制する作用を有することが明らかとなった。今後、リン脂質代謝を標的とした急性大動脈解離の新たな治療・予防法の開発が期待できる。

Report

(4 results)
  • 2018 Annual Research Report   Final Research Report ( PDF )
  • 2017 Research-status Report
  • 2016 Research-status Report

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Published: 2016-04-21   Modified: 2020-03-30  

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