Assessment of endothelial damage/dysfunction: a focus on circulating endothelial cells

Area of Science:

• Vascular Biology
• Cardiovascular Research
• Cellular Biology

Background:

• Endothelial injury is a key factor in vascular disease and atherosclerosis.
• Circulating endothelial cells (CECs) are emerging as important indicators of endothelial health.
• Current methods for quantifying CECs face challenges due to low cell numbers and lack of standardization.

Purpose of the Study:

• To explore the role of circulating endothelial cells (CECs) as a marker of endothelial function.
• To discuss the correlation of CECs with established markers of endothelial function.
• To highlight the potential of CEC quantification in assessing disease severity and treatment efficacy.

Main Methods:

• Identification and quantification of circulating endothelial cells (CECs).
• Correlation analysis with established endothelial function markers (e.g., flow-mediated dilation, von Willebrand factor, tissue plasminogen activator).
• Distinguishing CECs from endothelial progenitor cells.

Main Results:

• Circulating endothelial cells (CECs) show promise as a novel marker for endothelial function.
• CEC levels correlate with other established markers of endothelial health.
• Increased CEC counts are observed in various disease states, reflecting disease severity.

Conclusions:

• Circulating endothelial cells (CECs) represent a valuable tool for assessing endothelial function and vascular disease.
• Quantification of CECs, despite technical difficulties, offers insights into disease progression and therapeutic responses.
• CECs are distinct from endothelial progenitor cells and hold potential for clinical applications in cardiovascular medicine.