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Mononuclear phagocytic system in acute pancreatitis
E E Abdo1, Y Gonçalez, M C Machado
1Departamento de Gastroenterologia, Faculdade de Medicina, Universidade de São Paulo, Brasil.
Summary
Functional alterations in the mononuclear phagocytic system (MPS) and hepatic blood flow (HBF) were studied in rats with acute pancreatitis (AP). Results indicate MPS dysfunction and reduced HBF in AP, suggesting their role in disease pathogenesis.
Area of Science:
- Immunology
- Gastroenterology
- Hepatology
Background:
- Functional alterations of the mononuclear phagocytic system (MPS) are implicated in the pathogenesis of infection in acute pancreatitis (AP).
- Investigating MPS activity and hepatic blood flow (HBF) in AP is crucial for understanding disease mechanisms.
Purpose of the Study:
- To investigate alterations in MPS activity and HBF in a rat model of acute pancreatitis.
- To determine the relationship between MPS function and HBF changes in AP.
Main Methods:
- Acute pancreatitis was induced in Wistar rats using sodium taurocholate injection.
- MPS activity was assessed by measuring liver clearance of colloidal 198Au.
- Hepatic blood flow (HBF) was determined using 131I-bromosulphalein clearance.
Main Results:
- Rats with AP exhibited significantly altered MPS activity compared to sham-operated and intact groups.
- A reduction in HBF was observed in the AP group.
- MPS dysfunction correlated with decreased HBF in the acute pancreatitis model.
Conclusions:
- Functional alterations of the mononuclear phagocytic system (MPS) and reduced hepatic blood flow (HBF) are significant findings in acute pancreatitis (AP).
- These changes suggest that MPS dysfunction and impaired HBF play a role in the pathogenesis of AP and associated infections.