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ORIGINAL RESEARCH

The Effect of Platelet Activating Factor Antagonist BN 52021 on Bacterial Translocation and ICAM-I Expression in Experimental Obstructive Jaundice

, MD, , MD, , MD, , MD, , MD, , MD, , MD, , MD & , MD show all
Pages 247-256 | Received 27 Dec 2004, Accepted 25 May 2005, Published online: 09 Jul 2009
 

Abstract

Expression of intracellular adhesion molecule-1 (ICAM-1) in an obstructive jaundice model and the potential protective role of platelet activating factor antagonist over small intestine and liver together with its effects on bacterial translocation are examined in this study. Forty-eight male Wistar albino rats were assigned into four equal groups of 12. In groups I and II, animals were sham operated. In groups III and IV, common bile duct ligation and division were performed. In group I and group III, 0.5 ml/day normal saline was applied intraperitoneally daily from day 2 to 6 of the study; in group II and group IV, 1 mg/kg/day BN 52021 was applied intraperitoneally daily from day 2 to 6 of the study. All animals were sacrificed on postoperative day 7. ICAM-1 expression (CD54 positivity) was analyzed in the liver and ileum tissue by immunohistochemical method. Samples from blood, liver mesenteric lymph nodes, and spleen were cultured under aerobic conditions. It is revealed that ICAM-1 expression was statistically higher in group III, with highest bacterial translocation and liver and spleen injury when compared to other groups. Serum alanine transaminase (ALT), aspartate transaminase (AST), alkaline phosphatase (ALP), gamma-glutamyltranspeptidase (GGT), bilirubin, tumor necrosis factor α (TNFα), and interleukin 1β(IL-1β) values were at the highest level in group III, and there was a statistical decrease in group IV compared to group III. The administration of BN52021 in experimental obstructive jaundice is a useful way to reduce liver and intestinal mucosal villi damage by inhibiting bacterial translocation and systemic inflammatory response.

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