Abstract
When heat-killed Propionibacterium acnes is intravenously injected into rats followed by an intravenous injection of a small amount of Gram-negative lipopolysaccharide (LPS) 7 days later, massive hepatic cell necrosis is induced and most of the rats die within 24 hours of LPS injection. Using this experimental model, we studied the changes in the levels of leukotrienes (LTs) and prostaglandins (PGs) in the liver tissue and bile of rats with experimentally-induced massive hepatic cell necrosis. Both the levels of LTs and PGs in the liver tissue and LTs in the bile increased before the microscopic appearance of hepatic cell necrosis. These results suggest that arachidonic acid metabolites may play an important role in the induction of liver cell injury.
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