Circulating soluble vascular cell adhesion molecule-1 and intercellular adhesion molecule-1 in immunocompetent and renal transplant patients:correlation with cytomegalovirus disease and renal function

• The plasma levels of the soluble adhesion molecules, soluble vascular cell adhesion molecule-1 (sVCAM-1) and intercellular adhesion molecule-1 (sICAM-1), were measured before and after transplantation in 26 renal transplant recipients, and in 173 longitudinally collected samples in 17 of the patients. The patients were carefully monitored for the presence of cytomegalovirus (CMV) infection and rejection. Forty healthy blood donors and 12 otherwise healthy subjects with symptomatic primary CMV infections served as controls. During CMV disease, plasma levels of sVCAM-1 and sICAM-1 were elevated in both renal transplant patients and otherwise healthy subjects with CMV disease. The sVCAM-1 levels were strongly elevated before transplantation in renal transplant recipients and correlated with creatinine levels. Increased sVCAM-1 levels were also registered during rejection episodes. CMV disease, per se, is associated with markedly increased levels of sVCAM-1 and sICAM-1. There is also a correlation of sVCAM-1 levels with serum creatinine levels. Thus, the presence of CMV infection and renal function are factors that must be considered in further studies of soluble adhesion molecules.

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