Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
4
pubmed:dateCreated
2000-11-6
pubmed:abstractText
Neutrophil infiltration into the pancreas is a key event in pancreatitis. Here we show that intercellular adhesion molecule-1 (ICAM-1), which regulates neutrophil adhesion, is present on rat pancreatic acinar cells, is upregulated by a hormone (cerulein) and mediates direct binding of neutrophils to acinar cells. ICAM-1 was upregulated in pancreas of rats with experimental pancreatitis induced by supramaximal doses of cerulein. Furthermore, cerulein time and dose dependently stimulated expression of ICAM-1 mRNA and protein in isolated pancreatic acinar cells. Inhibitory analysis showed that activation of transcription factor nuclear factor-kappaB (NF-kappaB) was involved in ICAM-1 upregulation by cerulein, but NF-kappaB did not mediate basal expression of ICAM-1 mRNA in acinar cells. With an adhesion assay, we found that neutrophils bind to isolated pancreatic acinar cells and that cerulein upregulates the extent of adhesion. Neutralizing ICAM-1 antibody blocked neutrophil binding to both control and cerulein-stimulated acinar cells, suggesting ICAM-1 involvement in this adhesion. Thus the acinar cell is capable of targeting neutrophils to its surface, a process that may be important for inflammatory and cell death responses in pancreatitis and other pancreatic disorders.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Oct
pubmed:issn
0193-1857
pubmed:author
pubmed:issnType
Print
pubmed:volume
279
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
G666-76
pubmed:dateRevised
2006-11-15
pubmed:meshHeading
pubmed-meshheading:11005752-Animals, pubmed-meshheading:11005752-Caerulein, pubmed-meshheading:11005752-Cell Adhesion, pubmed-meshheading:11005752-Cell Nucleus, pubmed-meshheading:11005752-Cells, Cultured, pubmed-meshheading:11005752-Cysteine Proteinase Inhibitors, pubmed-meshheading:11005752-Gene Expression Regulation, pubmed-meshheading:11005752-Intercellular Adhesion Molecule-1, pubmed-meshheading:11005752-Kinetics, pubmed-meshheading:11005752-Leupeptins, pubmed-meshheading:11005752-Male, pubmed-meshheading:11005752-Neutrophils, pubmed-meshheading:11005752-Pancreas, pubmed-meshheading:11005752-Pancreatitis, pubmed-meshheading:11005752-RNA, Messenger, pubmed-meshheading:11005752-Rats, pubmed-meshheading:11005752-Rats, Sprague-Dawley, pubmed-meshheading:11005752-Reverse Transcriptase Polymerase Chain Reaction, pubmed-meshheading:11005752-Transcription, Genetic
pubmed:year
2000
pubmed:articleTitle
Cerulein upregulates ICAM-1 in pancreatic acinar cells, which mediates neutrophil adhesion to these cells.
pubmed:affiliation
Department of Medicine, Veterans Affairs Greater Los Angeles Healthcare System and University of California, Los Angeles, California 90073, USA.
pubmed:publicationType
Journal Article, Research Support, U.S. Gov't, P.H.S., Research Support, U.S. Gov't, Non-P.H.S., Research Support, Non-U.S. Gov't