PMID: 15228232Jul 2, 2004Paper

Pyrrolidine dithiocarbamate added to University of Wisconsin solution inhibits reperfusion injury after orthotopic liver transplantation in rats

Annals of Clinical and Laboratory Science
Xiao-Ping GuYi-Tao Ding

Abstract

This study investigated the effects of pyrrolidine dithiocarbamate (PDTC), a novel NF-kappaB inhibitor, on the expression of multiple inflammatory mediators and on neutrophilic inflammation of the graft in rats following liver transplantation. Orthotopic liver transplantation (OLT) was performed after 24 hr of cold storage using University of Wisconsin (UW) solution that contained various concentrations of PDTC. We determined the time course of NF-kappaB activation and of the expression of multiple inflammatory signals: tumor necrosis factor-alpha (TNF-alpha), cytokine-inducible neutrophil chemoattractant (CINC), and intercellular adhesion molecule-1 (ICAM)-1. Serum alanine aminotransferase (ALT), intrahepatic myeloperoxidase (MPO/WBC ratio, a measure of neutrophil accumulation), and Mac-1 expression (CD11b/CD18, a measure of circulating neutrophil activity) were also evaluated. The results showed that PDTC decreased OLT-induced NF-kappaB activation in a dose-dependent manner (from 20 mmol/L to 60 mmol/L), diminished TNF-alpha, CINC, and ICAM-1 protein levels in the graft, and reduced the OLT-induced increase of serum TNF-alpha level. Pretreatment with PDTC significantly suppressed OLT-induced neutrophilic inflammation of the g...Continue Reading

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