Serum F protein estimation in liver allograft recipients with graft dysfunction.
Serum levels of F protein, a 44 kD cytoplasmic protein mainly found in hepatocytes, became elevated during episodes of graft dysfunction following orthotopic liver transplantation. In a study of 27 liver transplant recipients, the rise in F protein did not precede rises in the other conventional biochemical indices of hepatic dysfunction. Serum F protein concentration significantly correlated with serum levels of aspartate aminotransferase, gamma-glutamyltransferase, alkaline phosphatase, and bilirubin (all P less than 0.001) and also with the prothrombin time (P = 0.048). Despite its high concentration in liver cells, this marker does not provide any additional benefit in the diagnosis of graft dysfunction or in monitoring liver allograft function following transplantation.
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