Visfatin, a new adipocytokine, is predominantly related to inflammation/endothelial damage in kidney allograft recipients.
Visfatin, a ubiquitous adipokine, was first described in 2005. It was found to be selectively up-regulated in the adipose tissue and to have insulin-mimetic effects. It has been reported that visfatin is associated with endothelial damage in chronic kidney disease. We investigated plasma visfatin levels (using commercially available kits) in 100 clinically stable kidney allograft recipients. We assessed visfatin markers of coagulation: thrombin-antithrombin complexes, prothrombin fragments 1 + 2; fibrinolysis: tissue plasminogen activator, plasminogen activator inhibitor, plasmin-antiplasmin complexes; endothelial function/injury: von Willebrand factor, thrombomodulin, intracellular adhesion molecule, vascular cell adhesion molecule (VCAM); inflammation: hsCRP and interleukin-6. Visfatin was significantly higher in kidney allograft recipients than in healthy volunteers. Visfatin did not differ significantly between diabetic and nondiabetics, hypertensives and normotensives, patients with and without coronary artery disease, and between male and female subjects. Type of immunosuppressive regimen (mycophenolate mofetil vs azathioprine) did not affect visfatin levels. On univariate analysis, visfatin correlated positively with prothrombin fragments 1 + 2, VCAM, creatinine, high-sensitivity C-reactive protein, and negatively with albumin. In multivariate analysis, only VCAM was associated with visfatin in kidney allograft recipients. Visfatin, which is related to markers of inflammation, may represent a novel link between inflammation and adipocytokines among long-term kidney transplant recipients.[1]References
- Visfatin, a new adipocytokine, is predominantly related to inflammation/endothelial damage in kidney allograft recipients. Malyszko, J., Malyszko, J.S., Mysliwiec, M. Transplant. Proc. (2009) [Pubmed]
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