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2021 Fiscal Year Final Research Report

Investigation of novel vasoactive agents as biomarkers for ischemic heart disease.

Research Project

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Project/Area Number 19K07900
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Review Section Basic Section 52010:General internal medicine-related
Research InstitutionHokkaido University

Principal Investigator

SATO Kengo  北海道大学, 大学病院, 臨床検査技師 (70549930)

Co-Investigator(Kenkyū-buntansha) 木庭 新治  昭和大学, 医学部, 教授 (20276546)
渡部 琢也  東京薬科大学, 生命科学部, 教授 (30297014)
Project Period (FY) 2019-04-01 – 2022-03-31
Keywords動脈硬化 / 血管作動性物 / 虚血性心疾患 / バイオマーカー / 血管内皮細胞 / マクロファージ / 血管平滑筋細胞
Outline of Final Research Achievements

β-Endorphin and Lipocalin-2 promoted foam-cell formation in human macrophages. The migration was stimulated by β-Endorphin and Lipocalin-2 in human vascular smooth muscle cell. β-Endorphin and Lipocalin-2 increased THP-1 monocyte adhesion to human endothelial cells. Four-week-infusion of β-Endorphin or Lipocalin-2 into apolipoprotein E-deficient mice accelerated the development of aortic atherosclerotic lesions. In acute coronary syndrome (ACS) patients, serum β-Endorphin and Lipocalin-2 levels were increased Thus, β-Endorphin and Lipocalin-2 may become candidates for biomarker of atherosclerosis in patients with ischemic heart disease.

Free Research Field

動脈硬化

Academic Significance and Societal Importance of the Research Achievements

世界の死因の第1位は、動脈硬化に起因する「虚血性心疾患」である(本邦においても極めて多い)。これまで様々な対症療法が開発・施行されてきたが、本死亡数を減少させるには至っていない。本研究では、β-EndorphinおよびLipocalin-2は動脈硬化促進作用がある事を明らかにした。また、血中のβ-EndorphinおよびLipocalin-2が虚血性心疾患のバイオマーカーとなり得る可能性を見出した。故に、本研究は、虚血性心疾患の予防・治療に大いに貢献できると考えられる。

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Published: 2023-01-30  

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