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Updated: Jun 9, 2026

Sodium Taurocholate Induced Severe Acute Pancreatitis in C57BL/6 Mice
Published on: June 28, 2021
Effect of procainhydrochloride on phospholipase A2 catalytic activity in sodium taurocholate-induced acute
1Department of Gastroenterology, Hepatology and Infectious Diseases, Otto von Guericke University of Magdeburg, Magdeburg, Germany. s.kahl@drk-kliniken-berlin.de
Background:
In human acute pancreatitis (AP) the local anaesthetic procainhydrochloride (procain-HCl) is given intravenously for pain treatment. Procain has been shown to inhibit catalytic activity of pancreatic (group I) phospholipase A2 (PLA2) and non-pancreatic (group II) PLA2. Both enzymes are important mediators for the local and systemic inflammatory process in AP. To determine the effect of procain, we examined serum and tissue levels of both types of PLA2 activity in the experimental rodent taurocholate model of AP.
Methods:
In 60 rats, severe pancreatitis was induced by taurocholate. Forty rats were treated with procain-HCl intravenously at a dosage of 2 mg/kg body weight/h either at or 1 h after induction of pancreatitis. Twenty rats served as controls. We measured catalytic activities of group I and group II PLA2 in serum and tissue samples of lung and pancreas.
Results:
Serum group II PLA2 catalytic activity was significantly reduced 3 and 6 h after AP induction in rats treated with procain-HCl (p < 0.001) in both treatment groups. In pancreatic and lung tissue, group II PLA2 catalytic activity was significantly reduced compared with normal values (p < 0.001).
Conclusion:
Procain-HCl given intravenously either at or 1 h after induction of necrotizing pancreatitis significantly inhibits group II PLA2 catalytic activity in serum and tissues.
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