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  • Title: Lung changes and cytokine levels in a model of experimental acute pancreatitis.
    Author: Mozo G, del Olmo ML, Caro-Patón A, Reyes E, Manzano L, Belmonte A, Alvarez-Mon M.
    Journal: Rev Esp Enferm Dig; 2002 Feb; 94(2):53-66. PubMed ID: 12185654.
    Abstract:
    AIM: Prognosis of acute pancreatitis is related mainly to systemic involvement. The establishment of this systemic inflammation is mediated by proinflammatory cytokines. Our aim is to study serum levels of some proinflammatory cytokines and the associated damage of the lung in a model of experimental acute pancreatitis. EXPERIMENTAL DESIGN: Eighty seven male Wistar rats were divided into two groups: group A (control) with saline solution administration; group B with acute pancreatitis induced by intraperitoneal caerulein (50 mg/kg every hour, 4 doses). The animals were killed at 0, 2, 6 and 24 hours of the last dose of caerulein or saline solution. Pancreatic and pulmonary histology were examined, and serum levels of IL-1 beta, TNF-alpha and IL-6 were evaluated, as well as some laboratory parameters as indicators of systemic involvement. RESULTS: The administration of caerulein induced an acute edematous pancreatitis without mortality and with a trend towards resolution in 24 hours. IL-1 beta in animals with acute pancreatitis showed significantly higher levels than in the control group at 6 hours. Serum transaminases, urea and creatinine were also significantly higher at 2 and 6 h. The group with acute pancreatitis showed histological lung damage all over the study. CONCLUSIONS: In our model of acute pancreatitis we observed systemic involvement as judged by alterations of serum transaminases and parameters of renal function, as well as histological lung damage, that correlated with an increase in serum levels of IL-1b.
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