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1.
Chinese Journal of Endocrine Surgery ; (6): 317-319,339, 2011.
Article in Chinese | WPRIM | ID: wpr-623143

ABSTRACT

Objective To explore the effects of glutamine (Gln) on tumor necrosis factor-alpha (TNF-α),interleukin-6(IL-6),and interleukin-10 (IL-10) in rats with severe acute pancreatitis (SAP).Methods 54 Sprague-Dawley rats were randomly divided into 3 groups ( n =18 for each group):Gln treatment group ( Gln),SAP model group (SAP),and negative control group (NC).SAP was induced by injection of 4% sodium taurocholate through common bile duct with a fine needle and the puncture hole in the bile duct was closed by medical sealant glue.Sham operation was performed in the rats of NC group.Rats in Gln group received Gln injection and rats in SAP group and NC group received normal saline instead of Gln.Ascites volume and blood amylase were measured at 3,6 and 12 hours after injection and plasma cytokines were detected by enzyme-linked immunosorbent assay (ELISA).Gross and histological changes of pancreas were evaluated by a scoring system.Results The ascites volume,serum amylase level,gross and histological scores,TNF-α level,and IL-6 level were significantly higher in SAP group than in NC group at each time point(P<0.05).IL-10 level was significantly higher in SAP group than in NC group at 3 hour point(P<0.05).The ascites volume,serum amylase level,and gross and histological scores were significantly lower in Gln group than in SAP group at the time point of 3 hour and 6 hour after injection( P < 0.05 ).Level of TNF-α and IL-6 was significantly lower in Gln group than in SAP group at each time point( P <0.05 ).IL-10 level was lower in Gln group than in SAP group at 3 hour point( P <0.05 ).Conclusion Gln is effective in SAP treatment by decreasing the serum level of proinflammatory cytokine and ameliorating the pathological damage of pancreatic tissues in rats.

2.
Chinese Journal of Endocrine Surgery ; (6): 19-21, 2009.
Article in Chinese | WPRIM | ID: wpr-622310

ABSTRACT

Objective To improve the establishment of severe acute pancreatitis model in rat. Methods 36 Sprague-Dawley rats were randomly divided into experiment or shame operation group(n=18,each). Severe acute pancreatitis was induced by injection of 4% sodium taurocholate through puncturing common bile duct with a fine needle, puncture hole was closed by medical sealant glue. Ascites volume and blood amylase were measured at 3, 6 and 12 hours after injection. Gross and histological changes of pancreas were evaluated by a scoring system. Results Pancreatic changes in the experiment group was hemorrhagic and necrosis.The ascites volume(8.52±1.05)ml,serum amylase activity(5247.17±547.07)u/L, gross and histological scores(13.6±3.92) in experiment group was significantly higher than ascites volume(1.21±0.32)ml,serum amylase activity(1289.5±176.67)u/L, gross and histological scores((0.83±0.58) in shame operation group at every time point(P<0.05). Conclusions Combined injection through common bile duct and medical sealant glue in the experiment can minimize the trauma and simplize the procedure. This method produces a reliable model with high success rate and it is an ideal severe acute pancreatitis animal model.

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