期刊
JOURNAL OF GASTROENTEROLOGY
卷 43, 期 1, 页码 79-85出版社
SPRINGER TOKYO
DOI: 10.1007/s00535-007-2126-9
关键词
acute pancreatitis; chemokines; monocyte chemoattractant protein 1
Background. Monocyte chemoattractant protein-1 (MCP-1) has been shown to affect the progression of various inflammatory disorders, including pancreatitis. To investigate the role of MCP-1 in acute pancreatitis and to seek possible therapeutic means, we evaluated the effect of a plasmid expression vector containing a dominant-negative mutant MCP-1 gene (mMCP-1). Methods. Two rat models of acute pancreatitis were employed that used either cerulein (for mild pancreatitis) or a mixture of 5% taurocholic acid and trypsin (for severe pancreatitis). At 6 h after induction of acute pancreatitis with or without injection of mMCP-1, serum amylase levels and cytokine levels, as well as morphological evaluation of the pancreas, were determined. Survival rates were also evaluated. Results. Severe pancreatitis was significantly reduced by mMCP-1 injection. mMCP-1 decreased serum levels of amylase, IL-6, IL-10, and LDH, and improved the survival rate 48h after disease onset. Histopathological changes of pancreas and lungs were also improved by mMCP-1. Conclusions. MCP-1 appears to be involved in the progression of severe forms of acute pancreatitis. Our data suggested that MCP-1 is a candidate as a therapeutic target to treat acute pancreatitis.
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