Endothelial function and novel adhesion molecule CD44 in kidney allograft recipients

Area of Science:

• Nephrology
• Cardiovascular Medicine
• Immunology

Background:

• Kidney disease frequently causes hemostasis disturbances and endothelial damage.
• Endothelial dysfunction may link hemostasis and inflammation in kidney disease.

Purpose of the Study:

• To investigate serum concentrations of endothelial damage and inflammation markers in kidney allograft recipients.
• To explore the relationship between these markers, adhesion molecules, and kidney function.

Main Methods:

• Cross-sectional study of 90 kidney allograft recipients and 30 healthy volunteers.
• Measured markers of endothelial damage (e.g., vWF, thrombomodulin), inflammation (e.g., hsCRP, IL-6), and hemostasis.
• Utilized commercially available kits for all measurements.

Main Results:

• Kidney allograft recipients had significantly elevated markers of endothelial dysfunction and inflammation compared to controls.
• CD44 levels correlated with hsCRP, ICAM, VCAM, thrombomodulin, creatinine, and other markers.
• hsCRP, CD146, creatinine, and thrombomodulin predicted elevated CD44 levels in multiple regression analysis.

Conclusions:

• Kidney function is strongly associated with the degree of inflammation and endothelial injury.
• Endothelial cell injury and inflammation may contribute to atherosclerosis and cardiovascular complications in kidney allograft recipients.