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Updated: May 25, 2026
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Preparing a Mice Model of Severe Acute Pancreatitis via a Combination of Caerulein and Lipopolysaccharide Intraperitoneal Injection
Published on: May 10, 2024
Micro-rheological changes during experimental acute pancreatitis in the rat
Robert Kotan1, Norbert Nemeth, Ferenc Kiss
1Institute of Surgery, Medical and Health Science Center, University of Debrecen, Debrecen, Hungary.
Clinical Hemorheology and Microcirculation
|January 27, 2012
Summary
This study investigated hemorheological changes in rats with acute pancreatitis (AP) induced by cerulein. Results show impaired red blood cell deformability and altered aggregation, particularly in female rats, highlighting AP
Area of Science:
- Physiology
- Pathology
- Hematology
Background:
- Microcirculatory disturbances are crucial in acute pancreatitis (AP) pathogenesis.
- Limited research has explored hemorheological parameter alterations in AP.
Purpose of the Study:
- To analyze hemorheological changes in a rat model of cerulein-induced acute pancreatitis.
- To investigate the impact of different cerulein dosages (5 and 10 μg/kg) on hemorheology.
Main Methods:
- Experimental acute pancreatitis induced in male and female rats using cerulein (5 and 10 μg/kg, s.c.).
- Blood sampling at baseline and 1, 2, and 24 hours post-administration.
- Analysis of hematological parameters, amylase activity, erythrocyte deformability (ektacytometry), and aggregation (light-transmission).
Main Results:
- Earliest impairment of red blood cell deformability observed 1 hour after 10 μg/kg cerulein.
- Significant changes in red blood cell deformability and erythrocyte aggregation in AP rats.
- Female rats exhibited worse rheological outcomes and higher mortality rates.
Conclusions:
- Cerulein administration effectively induced acute pancreatitis in rats, altering hemorheological parameters.
- Red blood cell deformability and aggregation are significantly affected in this AP model.
- The model is suitable for further comparative studies on AP pathogenesis and treatment.
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