流感内皮基因在动脉样硬化和抗动脉变疗法开发中的作用
Kyung In Baek1, Kitae Ryu2,3
1Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory University, Atlanta, GA, USA.
Journal of cardiovascular translational research
|November 27, 2023
概括
血流模式通过改变内皮细胞基因表达,显著影响动脉样硬化发展. 干扰的流动促进了亲动脉的变化,突出了流动敏感基因作为治疗点.
科学领域:
- 心血管科学 心血管科学
- 分子生物学分子生物学
- 生物医学工程 生物医学工程
背景情况:
- 动脉样硬化是一种慢性炎症性疾病,是心血管疾病的基础.
- 内皮功能障碍,受遗传和环境因素的影响,如血液流动,开始动脉样硬化.
- 特定的动脉区域暴露于血液流动受损的动脉容易发生动脉样硬化,而不是那些有稳定的流动.
研究的目的:
- 研究生物力学力量,特别是血液流动模式如何影响内皮细胞 (EC) 的行为.
- 了解因流动干扰而引起的EC的基因组和表观基因组范围的变化.
- 确定流感基因和蛋白质作为抗动原治疗的潜在标.
主要方法:
- 对来自动脉区域的内皮细胞 (ECs) 进行分析,这些区域暴露于稳定流动和受影响的血液流动.
- 对ECs基因表达变化的全基因组和全表观基因组分析.
- 基因表达变化与动脉样硬化发展和风险因素的相关性.
主要成果:
- 与稳定的血流相比,扰乱的血流会导致EC基因表达的显著变化.
- 这些变化将EC从一个无动脉保护状态重编程到一个亲动脉的状态.
- 流动诱导的EC重编程,结合高胆固醇血症等因素,推动动脉样硬化进展.
结论:
- 血液流动模式是动脉样硬化中内皮细胞表型的关键调节者.
- 流感基因和蛋白质是动脉样硬化发展的关键机制.
- 针对这些流动敏感元件提供了针对动脉样硬化的一种新治疗策略.
相关概念视频
Regulation of Angiogenesis and Blood Supply
2.6K
Rapidly dividing tumors, embryos, and wounded tissues require more oxygen than usual, lowering the oxygen concentration in the blood. At low oxygen or hypoxic conditions, an oxygen-sensitive transcription factor called the hypoxia-inducible factor 1 or HIF1 is activated. HIF1 is a dimeric protein of alpha (ɑ) and beta (β) subunits. Under optimal oxygen conditions, HIF1β is present in the nucleus while HIF1ɑ remains in the cytosol. HIF1ɑ is hydroxylated by prolyl...
2.6K
Inflammation
53.6K
Overview
53.6K
Antiplatelet Drugs: Prostaglandin Synthesis, P2Y12 and Glycoprotein IIb/IIIa Inhibitors
532
Antiplatelet drugs emerge as frontline defenders against the insidious threat of thromboembolic diseases, where abnormal clots obstruct vital blood vessels. These drugs stand as bulwarks, inhibiting platelet aggregation and clot formation, thereby mitigating the risk of life-threatening conditions like myocardial infarction, coronary artery disease, and thrombotic strokes.
Prostaglandin synthesis inhibitors, exemplified by the widely known aspirin, wield their power by irreversibly acetylating...
Prostaglandin synthesis inhibitors, exemplified by the widely known aspirin, wield their power by irreversibly acetylating...
532
Anticoagulant Drugs: Low-Molecular-Weight Heparins
711
Hemostasis is a crucial process that prevents excessive blood loss from damaged blood vessels. It involves various mechanisms such as vasoconstriction, platelet adhesion and activation, and fibrin formation. The importance of each mechanism depends on the type of vessel injury. In contrast, thrombosis is the abnormal formation of a blood clot within the blood vessels, leading to potential complications if the clot obstructs blood flow. Thrombosis can be caused by increased coagulability of the...
711


