Objective To observe the protective effect of pretreatment with wortmannin against pancreas and liver injuries indued by severe acute pancreatitis(SAP) in rats and investigate its mechanism.Methods Fifty-four SD rats were randomly divided into 3 groups: control group(C group),SAP group(P group) and SAP+wortmannin group(PW group)(n=18 per group). SAP model was induced by retrograde infusion of 50g/L sodium taurocholate into the biliopancreatic duct of rats,except C group in which sodium taurocholate was replaced by normal saline. Serum level of tumor necrosis factor-alpha(TNF-?)、 alanine aminotransferase(ALT)、aspartate aminotransferase(AST)、and nuclear factor-kappa B(NF-?B)in liver were detected. Histopathology of liver and pancreas was studied.Results In P group, serum levels of TNF-?、ALT、AST and NF-?B in liver were significantly elevated(P
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