Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
5
pubmed:dateCreated
2004-7-19
pubmed:abstractText
Hepatocellular carcinoma represents an increasing therapeutic challenge due to its high incidence and early metastasis. Numerous studies have demonstrated the influence of the vascular system on tumor growth and development. In addition, the role of leukocyte-endothelium interaction in tumor vessels is of particular significance with regard to immunological tumor therapy. In this study we used an experimental in vivo animal model that allows a quantitative analysis on vessel morphology, microcirculation, and leukocyte-endothelium interaction. The vessel architecture in tumor tissue was found to be extremely heterogeneous, with a consecutively variable blood flow velocity. Following superfusion with chemotactic factors (fMLP, LB4), the leukocyte-endothelium interaction in tumor tissue with respect to leukocyte sticking was significantly reduced in comparison to healthy liver tissue. In conclusion, one of the main mechanisms for the reduced leukocyte-endothelium interaction in tumor tissue seems to be a decreased expression of adhesion molecules such as ICAM-1, indicating an effective immune escape mechanism for this tumor.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
AIM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
May
pubmed:issn
0163-2116
pubmed:author
pubmed:issnType
Print
pubmed:volume
49
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
859-65
pubmed:dateRevised
2007-11-15
pubmed:meshHeading
pubmed:year
2004
pubmed:articleTitle
Immune escape mechanism: defective resting and stimulated leukocyte-endothelium interaction in hepatocellular carcinoma of the rat.
pubmed:affiliation
Department of Surgery, University of Mainz, Mainz, Germany. maksan@ach.klinik.uni-mainz.de
pubmed:publicationType
Journal Article