Micro-rheological changes during experimental acute pancreatitis in the rat

Robert Kotan, Norbert Nemeth, Ferenc Kiss, Janos Posan, Kornel Miszti-Blasius, Laszlo Toth, Istvan Furka, Iren Miko, Peter Sapy, Zsolt Szentkereszty

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

Although microcirculatory disturbances play pivotal role in the pathomechanism of acute pancreatitis (AP), very few papers can be found which had been tested any of hemorheological parameters. The aim of our study was to analyze the hemorheological changes in cerulein-induced experimental acute pancreatitis in rat in two doses (5 and 10 μg/kg, s.c.). Male and female rats were subjected to Control group, or AP with 5 or 10 μg/kg cerulein groups. Blood samplings (lateral caudal vein) were completed before cerulein administration, and 1, 2 and 24 hours later. Hematological parameters, amylase activity, erythrocyte deformability (ektacytometry) and aggregation (light-transmission method) were tested. The presence of AP could be confirmed by amylase testing and histological examination. The earliest impairment of the red blood cell deformability could be observed 1 hour after cerulein administration in 10 μg/kg dosage. Female animals had the worst rheological results with high mortality. In conclusion, subcutaneously administrated cerulein in dosage of 5 and 10 μg/kg resulted in AP in rats, with significant changes in red blood cell deformability and alterations in erythrocyte aggregation. This model seems to be suitable for further comparative studies.

Original languageEnglish
Pages (from-to)255-264
Number of pages10
JournalClinical hemorheology and microcirculation
Volume51
Issue number4
DOIs
Publication statusPublished - Sep 10 2012

Keywords

  • Red blood cell deformability
  • acute pancreatitis
  • cerulein induced-pancreatitis
  • rat model
  • red blood cell aggregation

ASJC Scopus subject areas

  • Physiology
  • Hematology
  • Cardiology and Cardiovascular Medicine
  • Physiology (medical)

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