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Pancreas. 2000 Jul;21(1):22-31.

Chemokines MCP-1 and RANTES in isolated rat pancreatic acinar cells treated with CCK and ethanol in vitro.

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  • 1Molecular Medicine Research Groups, Plymouth Postgraduate Medical School, University of Plymouth, England. byang@plymouth.ac.uk


The role of cholecystokinin (CCK) and ethanol on the expression and secretion of monocyte chemoattractant protein-1 (MCP-1) and regulated on activation, normal T-cell expressed and secreted (RANTES) chemokines from isolated rat pancreatic acinar cells was investigated. CCK at concentrations of 1 nM and 100 nM and ethanol at concentrations of 75, 200, 400, and 600 mM were used to stimulate isolated acini. The levels of MCP-1 and RANTES in the incubation medium were determined by enzyme-linked immunoabsorbent assay (ELISA). In the control groups, MCP-1 and RANTES were secreted into the incubation medium, and both increased with time. MCP-1 increased from baseline 17.6 pg/ml to 74.1 pg/ml, whereas RANTES increased from 255.5 to 318.3 pg/ml at 390 min. CCK at 100 nM caused a sustained increase in MCP-1 levels to 89.6 pg/ml at 390 min in the incubation medium, whereas the levels of RANTES gradually decreased after 180 min and reached its lowest level at 390 min. Ethanol at a concentration of 600 mM increased the levels of RANTES in the incubation medium, but inhibited the levels of MCP-1 at all concentrations (75, 200, 400, and 600 mM). In summary, rat pancreatic acinar cells secrete MCP-1 and RANTES, and the stimulation of these chemokines by CCK and ethanol suggests that they may be involved in the pathogenesis of acute pancreatitis.

[PubMed - indexed for MEDLINE]
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