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Preparing a Mice Model of Severe Acute Pancreatitis via a Combination of Caerulein and Lipopolysaccharide Intraperitoneal Injection
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Preparing a Mice Model of Severe Acute Pancreatitis via a Combination of Caerulein and Lipopolysaccharide Intraperitoneal Injection

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[Impact of WPY on pancreatic microcirculation of acute pancreatitis in mice]

P Jia1, Z Zhang, Z Zhou

  • 1Department of General Surgery, First Affiliated Hospital, WCUMS, Chengdu 610041, China.

Hua Xi Yi Ke Da Xue Xue Bao = Journal of West China University of Medical Sciences = Huaxi Yike Daxue Xuebao
|May 8, 2003
PubMed
Abstract

Insights

This study reveals that impaired pancreatic microcirculation is crucial in acute pancreatitis progression. The Chinese herb WPY demonstrates a beneficial effect by improving microcirculatory function and restoring capillary density.

Area of Science:

  • Gastroenterology
  • Microcirculation Research
  • Pharmacology

Context:

  • Acute pancreatitis (AP) is a severe inflammatory condition characterized by pancreatic autodigestion.
  • Early microcirculatory impairment, including reduced blood flow and functional capillary density (FCD), is implicated in AP pathogenesis.
  • Understanding the mechanisms of AP and identifying therapeutic interventions are critical.

Purpose:

  • To investigate the pathogenesis of acute pancreatitis (AP) focusing on microcirculatory changes.
  • To evaluate the therapeutic effect of the Chinese herb WPY on the progression of AP.
  • To elucidate the impact of WPY on pancreatic microvascular dynamics.

Summary:

  • Intravital fluorescence microscopy was employed to assess pancreatic microvascular diameter, red blood cell (RBC) velocities, and FCD in an AP model induced by caerulein.
  • Caerulein significantly reduced FCD, RBC velocities, and interlobular arteriole diameter.
  • Administration of WPY counteracted these detrimental effects, significantly restoring FCD, arteriole diameter, and RBC velocity.

Impact:

  • Pancreatic microcirculatory failure, characterized by reduced blood flow and FCD, plays a pivotal role in early AP progression.
  • WPY exhibits a beneficial effect on AP by potentially attenuating microcirculatory failure.
  • These findings suggest WPY as a potential therapeutic agent for managing acute pancreatitis.

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