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The effects of neutrophil depletion on a completely noninvasive model of acute pancreatitis-associated lung injury

Authors
Bhatia M.Saluja A.K.Hofbauer B.Lee H.-S.Frossard J.-L.Steer M.L.
Issue Date
1998
Keywords
Acute pancreatitis; CDE diet; Lung injury; Myeloperoxidase; Neutrophil sequestration
Citation
International Journal of Pancreatology, v.24, no.2, pp.77 - 83
Indexed
SCOPUS
Journal Title
International Journal of Pancreatology
Volume
24
Number
2
Start Page
77
End Page
83
URI
https://scholarworks.korea.ac.kr/kumedicine/handle/2020.sw.kumedicine/25023
ISSN
0169-4197
Abstract
Conclusion. A completely noninvasive animal model of acute pancreatitis- associated lung injury was used to show that neutrophils, activated by pancreatitis, play a key role in mediating pancreatitis-associated lung injury. Background. Significant pulmonary complications have been known to occur in over 50% of patients with severe acute pancreatitis. Recent studies using a variety of animal models of pancreatitis have suggested that neutrophil activation may play an important role in mediating lung injury. However, in these models, the interpretation of the results is complicated because surgical manipulations alone could have resulted in the activation of neutrophils. Methods. Young female mice were fed a choline deficient ethionine (CDE) supplemented diet. The severity of pancreatitis was evaluated by measuring hyperamylasemia, acinar cell necrosis, and pancreatic myeloperoxidase activity. Lung injury was quantified by measuring lung microvascular permeability and lung myeloperoxidase activity. To evaluate the role of neutrophils in CDE diet-induced pancreatitis-associated lung injury, animals were pretreated with antineutrophil serum. Results. Mice fed the CDE diet develop pancreatitis-associated lung injury. Pretreatment of mice with antineutrophil serum results in marked depletion of circulating neutrophils. Under these conditions, the severity of pancreatitis is reduced and lung injury is completely prevented.
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Lee, Hong Sik
안암병원 (Department of Gastroenterology and Hepatology, Anam Hospital)
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