Title
Soluble tumor necrosis factor-receptors are not a useful marker of acute allograft-rejection : a study in patients with renal or cardiac allografts Soluble tumor necrosis factor-receptors are not a useful marker of acute allograft-rejection : a study in patients with renal or cardiac allografts
Author
Faculty/Department
Faculty of Medicine and Health Sciences
Publication type
article
Publication
Heidelberg ,
Subject
Human medicine
Source (journal)
Transplant international. - Heidelberg, 1988
Volume/pages
8(1995) :6 , p. 459-465
ISSN
0934-0874
ISI
A1995TB55100007
Carrier
E
Target language
English (eng)
Abstract
In this study, we investigated soluble tumor necrosis factor receptor (sTNF-R) levels in plasma of patients with either a kidney or cardiac allograft when clinical suspicion of acute rejection was raised. In plasma of patients with acute renal graft rejection, the sTNF-R levels were strongly enhanced (20-150 ng/ml) as compared to plasma of patients with stable renal function. Following successful treatment of the rejection, a gradual decline in sTNF-R levels occurred with improving renal function, and an inverse correlation between creatinine clearance and sTNF-R was found. To determine whether the increase was caused by an accumulation of constitutively released sTNF-R and lack of clearance by the kidney, or whether the immunological process of the rejection caused the enhancement, we measured sTNF-R in patients suffering from acute cardiac graft rejection but with predominantly stable kidney function. Rejection of a cardiac graft did not lead to a significant enhancement of sTNF-R levels. However, treatment with ATG or OKT3 did cause enhanced sTNF-R levels, followed by a decline that reached starting values after 7 days. These results provide evidence that the immune reaction that occurs during rejection of a graft does not per se induce discernible changes in sTNF-R levels, whereas that induced by ATG or OKT3 does. Thus, sTNF-R levels are not a reliable marker in transplant recipient monitoring.
E-info
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