Gross, V. and Andreesen, Reinhard and Leser, H. G. and Ceska, M. and Liehl, E. and Lausen, M. and Farthmann, E. H. and Schölmerich, J. (1992) Interleukin-8 and neutrophil activation in acute pancreatitis. European journal of clinical investigation 22 (3), pp. 200-3.
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It has been suggested that leucocytes play an important role in the pathogenesis of complicated pancreatitis. Indeed, increased plasma concentrations of neutrophil elastase as a marker of neutrophil activation could be detected in patients with a severe course of the disease. Recently, interleukin-8 (IL-8) has been described as a novel neutrophil activating peptide. To determine the role of IL-8 in acute pancreatitis we measured its serum concentrations by a specific enzyme-linked immunosorbent assay in 10 patients with acute pancreatitis daily during the first week of hospitalization. IL-8 levels were compared with plasma concentrations of neutrophil elastase and the clinical course of the disease. Three of the patients had uncomplicated pancreatitis, while seven showed various extrapancreatic complications. Patients with complicated pancreatitis had statistically significant (P less than 0.05) higher mean values of IL-8 (121 +/- 41 pg/ml-1 vs. 13 +/- 6 pg ml-1, mean +/- SEM) and neutrophil elastase (547 +/- 35 ng ml-1 vs. 250 +/- 20 ng ml-1) than patients with uncomplicated disease. There was a positive correlation (r = 0.52, P less than 0.0001) between IL-8 and neutrophil elastase in the lower concentration range of IL-8 (less than 100 pg ml-1). At IL-8 levels greater than 100 pg ml-1 neutrophil elastase was always greatly elevated; however, under these conditions the relationship between IL-8 and elastase was no longer linear. No measurable IL-8 concentrations were found when plasma elastase was less than 200 ng ml-1. During follow-up, initially elevated IL-8 concentrations decreased in correlation with clinical improvement.(ABSTRACT TRUNCATED AT 250 WORDS)
|Institutions:||Medicine > Abteilung für Hämatologie und Internistische Onkologie|
|Subjects:||600 Technology > 610 Medical sciences Medicine|
|Refereed:||Yes, this version has been refereed|
|Created at the University of Regensburg:||Yes|
|Deposited On:||14 Apr 2010 05:22|
|Last Modified:||14 Apr 2010 05:22|