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一种类似细胞因子的蛋白Dickkopf相关的蛋白3是Atheroprotective
Baoqi Yu1, Stefan Kiechl1, Dan Qi1
1From Cardiovascular Division, King's College London British Heart Foundation Centre, London, United Kingdom (B.Y., X.W., A.L.B., E.K., Z.Z., Y.H., Q.X.); Department of Neurology, Medical University of Innsbruck, Austria (S.K., J.W.); Department of Physiology and Pathophysiology, Capital Medical University, Beijing, China (D.Q., Y.S., A.Q.); Department of Internal and Laboratory Medicine, Bruneck Hospital, Italy (S.W., A.M.); Division of Molecular Embryology, German Cancer Research Center (DKFZ) Heidelberg Germany and Zentrum für Molekulare Biologie der Universität Heidelberg (ZMBH) Alliance, Heidelberg, Germany (I.d.B.B., C.N.); Institute of Molecular Biology, Mainz, Germany (C.N.); Department of Internal Medicine, Institute for Clinical Immunology, Friedrich-Alexander-University Erlangen-Nuremberg, Germany (G.S.); The Key Laboratory of Cardiovascular Remodelling and Function Research, Chinese Ministry of Education and Chinese Ministry of Health, Qilu Hospital, Shandong University, Jinan, China (Y.H., Q.X.); and Institute of Bioengineering, Queen Mary University of London, United Kingdom (W.W.).
通过促进内皮细胞的修复和迁移,Dikkopf相关蛋白3 (DKK3) 保护动脉样硬化. 较低的DKK3水平与动脉样硬化增加相关,表明治疗潜力.
科学领域:
- 心血管生物学
- 动脉样硬化研究
- 分子医学
背景情况:
- 迪克科夫相关蛋白3 (DKK3) 是一种被分泌的蛋白质,涉及心脏重塑和血管光滑肌细胞分化.
- 它在动脉样硬化的发病过程中的具体作用在很大程度上尚不清楚.
研究的目的:
- 研究Dikkopf相关蛋白3 (DKK3) 的动脉保护潜力.
- 阐明DKK3在动脉样硬化和血管修复中的作用.
主要方法:
- 在布鲁内克研究中的DKK3血水平的流行病学分析 (n=684,n=574).
- 在DKK3缺乏/apolipoprotein E淘汰的小鼠中进行实验评估,评估动脉样硬化和新心形成.
- 人体内皮细胞迁移和信号通路的体外研究 (ROR2,Rac1,JNK).
主要成果:
- 血DKK3水平与心动脉内膜厚度和动脉样硬化的进展相反相关.
- 在小鼠中,DKK3缺乏加快了动脉样硬化和受损的再内皮化.
- DKK3通过ROR2,Rac1激活和JNK/c-jun酸化刺激了内皮细胞迁移.
结论:
- DKK3对动脉样硬化有保护作用.
- DKK3促进内皮细胞的迁移和修复,这对血管完整性至关重要.
- DKK3是动脉样硬化治疗的潜在治疗点.
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