Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
4A
pubmed:dateCreated
1997-9-3
pubmed:abstractText
We have demonstrated that anticancer drugs at cytostatic concentrations enhance the expression and function of epidermal growth factor (EGF-R) and transferrin (TRF-R) receptors on human tumor cells. We hypothesized that these effects could represent a protective response of tumor cells to sublethal antiproliferative stimuli which could lead to enhanced growth potential. 72 hours exposure of human melanoma GLL-19 cells to 1,000 nM ara-C induced growth inhibition and increased the number of EGF-R, TRF-R and nerve growth factor receptor (NGF-R) on cell surface. Enhanced expression of beta 3 integrins CD49a, CD49c and CD49e, av integrin CD51, beta 3 integrin CD61, CD58/LFA3 and collagen IV and laminin was also detected in ara-C-treated GLL-19 cells. These changes at the tumor cell surface were paralleled by increased in vitro adhesion, invasive potential and clonogenic growth in soft agar and in vivo tumor formation. A more aggressive tumor cell phenotype is induced in human melanoma cells after transient exposure to cytostatic concentrations of ara-C.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:issn
0250-7005
pubmed:author
pubmed:issnType
Print
pubmed:volume
17
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
2369-75
pubmed:dateRevised
2011-11-17
pubmed:meshHeading
pubmed-meshheading:9252649-Animals, pubmed-meshheading:9252649-Cell Adhesion, pubmed-meshheading:9252649-Cell Cycle, pubmed-meshheading:9252649-Cell Division, pubmed-meshheading:9252649-Cytarabine, pubmed-meshheading:9252649-Drug Administration Schedule, pubmed-meshheading:9252649-Epidermal Growth Factor, pubmed-meshheading:9252649-Humans, pubmed-meshheading:9252649-Integrins, pubmed-meshheading:9252649-Melanoma, pubmed-meshheading:9252649-Mice, pubmed-meshheading:9252649-Mice, Nude, pubmed-meshheading:9252649-Neoplasm Invasiveness, pubmed-meshheading:9252649-Neoplasms, Experimental, pubmed-meshheading:9252649-Nerve Growth Factors, pubmed-meshheading:9252649-Receptor, Epidermal Growth Factor, pubmed-meshheading:9252649-Receptors, Nerve Growth Factor, pubmed-meshheading:9252649-Receptors, Transferrin, pubmed-meshheading:9252649-Transferrin, pubmed-meshheading:9252649-Tumor Cells, Cultured, pubmed-meshheading:9252649-Up-Regulation
pubmed:articleTitle
Transient exposure to cytarabine increases peptide growth factor receptor expression and tumorigenicity of melanoma cells.
pubmed:affiliation
Cattedra di Oncologia Medica, Università Federico II di Napoli, Italy.
pubmed:publicationType
Journal Article, Research Support, Non-U.S. Gov't