[Endothelial progenitor cells and atherosclerosis]
1Department of Cardiology, Rambam Medical Center, B. Rappaport Faculty of Medicine, Technion Israel Institute of Technology Haifa, Israel.
Insights
Cardiovascular risk factors impair endothelial progenitor cells (EPCs), crucial for blood vessel repair. This impairment hinders the body's ability to heal, potentially worsening atherosclerosis and cardiovascular disease.
Area of Science:
- Vascular biology and regenerative medicine.
- Cardiovascular disease research.
- Endothelial cell function and dysfunction.
Context:
- Atherosclerosis involves endothelial monolayer damage, leading to cell apoptosis and compromised vessel integrity.
- Endothelial progenitor cells (EPCs) are vital for repairing damaged blood vessels and forming new ones.
- Cardiovascular risk factors negatively impact EPC number and function.
Purpose:
- To review the role of EPCs in atherosclerosis and cardiovascular outcomes.
- To explore how cardiovascular risk factors affect EPCs.
- To highlight potential therapeutic strategies for enhancing EPC function.
Summary:
- Endothelial progenitor cells (EPCs) are critical for vascular repair and limiting atherosclerotic lesion formation.
- Risk factors like age, smoking, hypertension, hyperlipidemia, and diabetes reduce EPCs' number and functional activity.
- Impaired EPCs contribute to atherogenesis and disease progression, limiting regenerative capacity.
Impact:
- EPCs serve as important biomarkers for atherosclerosis and predicting cardiovascular outcomes.
- Understanding EPC impairment by risk factors offers insights into disease mechanisms.
- Novel strategies targeting the injury-repair balance could improve therapeutic prospects for cardiovascular diseases.
Abstract:
The integrity and functional activity of the endothelial monolayer play a crucial role in the prevention of atherosclerosis. Extended endothelial cell damage by cardiovascular risk factors can result in endothelial cell apoptosis with loss of the integrity of the endothelium. Endothelial progenitor cells (EPCs) originating from the bone marrow play a significant role in neovascularization of ischemic tissues and in re-endothelialization of injured blood vessels. This may potentially limit atherosclerotic lesion formation. However, risk factors for coronary artery disease such as age and smoking, hypertension, hyperlipidemia and diabetes reduce the number and functional activity of these circulating endothelial progenitor cells, potentially restricting the therapeutic prospective of progenitor cells and limiting the regenerative capacity. The impairment of EPCs by risk factors may contribute to atherogenesis and atherosclerotic disease progression. The article reviews the role of EPCs as markers for atherosclerosis and cardiovascular outcomes and highlights possible novel strategies to interfere with the balance of injury and repair mechanisms.
Related Concept Videos
Atherosclerosis I: Introduction
Coronary Artery Disease II: Pathophysiology
Inflammation
Peripheral Artery Disease I: Introduction
Regulation of Angiogenesis and Blood Supply
Overview of the Vascular System


