Abstract
Objective To explore the effect of TNF related apoptosis inducing ligand (TRAIL) in apoptosis induced by LPS. Methods After LPS injected mice blocking TRAIL with soluble death receptor 5 (sDRS), detecting ALT, AST and LDH of mice serum at different times, apoptotic effects of LPS to mice hepatocyte were detected by HE and flow eytometry (FCM) with Annexin V-FITC/PI staining. The expres-sion of DR5 in mice hepatocyte was assayed with immunohistochemistry and FCM. Results Apoptotic effect was promoted by up-regulated DR5 expression on hepatocyte. Blocking TRAIL with sDR5 markedly amelio-rated the hepatocyte damage and reduced apoptosis. Conclusion These results establish a critical role for TRAIL in apoptosis during disease process of LPS. Key words: Endotoxin; Lipopolysaccharides; Soluble death receptor 5 ; TNF related apoptosis inducing ligand; Hepatocyte apoptosis
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