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Pancreas. 2008 Mar;36(2):e9-21. doi: 10.1097/MPA.0b013e3181575103.

Taurocholate-induced pancreatitis: a model of severe necrotizing pancreatitis in mice.

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  • 1Department of General and Visceral Surgery, Universit√§tsklinik Freiburg, Hugstetter Strasse 55, 79106 Freiburg, Germany. uwe.wittel@uniklinik-freiburg.de

Abstract

OBJECTIVES:

The outcome from acute pancreatitis depends on the severity of systemic complications. To be able to investigate mechanisms underlying the development of these systemic complications in acute pancreatitis in both wild-type and genetically engineered animal models, a mouse model of severe necrotizing pancreatitis was developed and characterized.

METHODS:

Pancreatitis was induced by retrograde infusion of sodium taurocholate into the common bile duct in mice. After determining the optimum volume and concentration of taurocholate, the pancreatic damage and systemic inflammatory response were compared with those in cerulein-induced pancreatitis.

RESULTS:

Pancreatic damage was higher in taurocholate pancreatitis than hyperstimulation-induced pancreatitis (24 hours: cerulein, 5.8 +/- 0.2 points; taurocholate, 14.8 +/- 0.8 points; P < 0.001) and mortality reached up to 60% within the first 24 hours after taurocholate administration. Pulmonary damage was detected, as measured by an increase in albumin in bronchoalveolar lavage fluid only in taurocholate-induced pancreatitis (12 hours: cerulein, 97.1 +/- 22.83 mg/g of protein; taurocholate, 234.0 +/- 32.7 mg/g of protein; P < 0.001). Furthermore, plasma interleukin 6 concentration was significantly elevated in mice with taurocholate-induced pancreatitis (12 hours: cerulein, 2.6 +/- 6.1 pg/mL; taurocholate, 2168.8 +/- 941.7 microg/mL; P < 0.001) as compared with all other groups.

CONCLUSIONS:

Taurocholate pancreatitis is a reliable model for severe necrotizing pancreatitis in mice with significantly greater pancreatic damage and systemic inflammatory response in comparison with cerulein-induced pancreatitis.

PMID:
18376298
[PubMed - indexed for MEDLINE]
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