alexa A simple taurocholate-induced model of severe acute pancreatitis in rats.
Diabetes & Endocrinology

Diabetes & Endocrinology

Pancreatic Disorders & Therapy

Author(s): Liu ZH, Peng JS, Li CJ, Yang ZL, Xiang J,

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Abstract AIM: To investigate gut barrier damage and intestinal bacteria translocation in severe acute pancreatitis (SAP), a simple rat model of SAP was induced and studied. METHODS: Pancreatitis was induced by uniformly distributed injection of 3.8\% Na taurocholate (1 mL/kg) beneath the pancreatic capsule. Rats in the control group were injected with normal saline in the identical location. RESULTS: Serum amylase, plasma endotoxin, intestinal permeability, and pancreatitis pathology scores were all markedly higher in the pancreatitis group than in the control group (P < 0.01). The bacterial infection rate was significantly higher in the SAP group than in the control group (P < 0.01), observed in parallel by both bacterial culture and real-time polymerase chain reaction. Acute damage of the pancreas was observed histologically in SAP rats, showing interstitial edema, leukocyte infiltration, acinar cell necrosis and hemorrhage. The microstructure of the intestinal mucosa of SAP rats appeared to be destroyed with loose, shortened microvilli and rupture of the intercellular junction, as shown by electron microscopy. CONCLUSION: Significant gut barrier damage and intestinal bacterial translocation were definitely observed with few potential study confounders in this SAP rat model, suggesting that it may be an appropriate animal model for study of gut barrier damage and bacterial translocation in SAP.
This article was published in World J Gastroenterol and referenced in Pancreatic Disorders & Therapy

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