Journal
JOURNAL OF HEPATOLOGY
Volume 46, Issue 5, Pages 797-803Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jhep.2006.11.018
Keywords
bacterial translocation; tumour necrosis factor alpha; anti-TNF-alpha; cirrhosis; ascites; bacterial infections; cytokines
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Background/Aims: TNF-alpha is involved in the development of bacterial translocation in rats with cirrhosis. The aim of the current study was to evaluate the effect of anti-TNF-alpha mAb treatment on the incidence of bacterial translocation and systemic infections in rats with cirrhosis and ascites. Methods: Thirty rats with cirrhosis and ascites were randomly assigned to receive two intraperitoneal doses of anti-TNF-alpha mAb, distilled water or immunoglobulin on days 0 and 4. On day 10, a laparotomy was performed. Results: One out of 11 animals receiving anti-TNF-alpha mAb treatment, 7 out of 10 of the placebo group (p < 0.0 1), and 5 out of 9 of the IgG group developed bacterial translocation (p < 0.05). A significantly reduced number of systemic infections were observed in animals receiving anti TNF-alpha mAb treatment vs animals receiving placebo (p < 0.01). TNF-alpha in serum at laparotomy in animals receiving anti-TNF-alpha mAb was higher than that in the rest of groups and was also higher in the overall series of animals showing bacterial translocation. Conclusions: In the experimental model of CC4-induced rat with cirrhosis and ascitic fluid, anti-TNF-alpha mAb administration decreases the incidence of bacterial translocation, in a TNF-alpha/sTNF-alpha receptor-independent manner, without increasing the risk of systemic infections. (C) 2006 European Association for the Study of the Liver. Published by Elsevier B.V. All rights reserved.
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