Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
1
pubmed:dateCreated
2011-1-3
pubmed:abstractText
Endothelial cells have special relevance in tumor progression. Here, we investigated the effect of the proteasome inhibitor bortezomib on tumor-endothelial cell interaction in T-cell leukemia/lymphoma. In vitro, T-leukemia/lymphoma cell lines and primary T-leukemia/lymphoma cells were cultured with endothelial cells, either together or separately in Millicell Hanging Cell Culture system, the latter permits mutual cell exchange. At clinically achievable concentrations, in addition to a direct cytotoxicity on T-leukemia/lymphoma cells, bortezomib inhibited tumor cell adhesion to endothelial cells and endothelial cell migration toward tumor cells. In vivo, a murine tumor xenograft model was achieved by subcutaneous injection of Jurkat cells. Bortezomib also triggered an inhibition on tumor-endothelial cell contact and subsequent tumor cell infiltration. Cell adhesion molecule intracellular cell adhesion molecule-1 expression was significantly downregulated both on the tumor cells and on the endothelial cells. Taken together, bortezomib could not only act on tumor cells themselves but also abrogate tumor cell interaction with endothelial cells. This delineates another therapeutic mechanism of bortezomib in T-cell malignancies.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Jan
pubmed:issn
1432-0584
pubmed:author
pubmed:issnType
Electronic
pubmed:volume
90
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
53-8
pubmed:meshHeading
pubmed-meshheading:20617436-Animals, pubmed-meshheading:20617436-Antineoplastic Agents, pubmed-meshheading:20617436-Boronic Acids, pubmed-meshheading:20617436-Cell Communication, pubmed-meshheading:20617436-Cell Movement, pubmed-meshheading:20617436-Endothelial Cells, pubmed-meshheading:20617436-Enzyme Inhibitors, pubmed-meshheading:20617436-Humans, pubmed-meshheading:20617436-Jurkat Cells, pubmed-meshheading:20617436-Leukemia, T-Cell, pubmed-meshheading:20617436-Lymphoma, T-Cell, pubmed-meshheading:20617436-Mice, pubmed-meshheading:20617436-Mice, Nude, pubmed-meshheading:20617436-Molecular Targeted Therapy, pubmed-meshheading:20617436-Proteasome Endopeptidase Complex, pubmed-meshheading:20617436-Pyrazines, pubmed-meshheading:20617436-Tumor Cells, Cultured, pubmed-meshheading:20617436-Xenograft Model Antitumor Assays
pubmed:year
2011
pubmed:articleTitle
Proteasome inhibitor bortezomib targeted tumor-endothelial cell interaction in T-cell leukemia/lymphoma.
pubmed:affiliation
State Key Laboratory of Medical Genomics, Shanghai Institute of Hematology, Shanghai Rui Jin Hospital, Shanghai Jiao Tong University School of Medicine, 197 Rui Jin Er Road, Shanghai 200025, China.
pubmed:publicationType
Journal Article, Research Support, Non-U.S. Gov't