Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
22
pubmed:dateCreated
2005-11-18
pubmed:abstractText
Thalidomide has been used to treat a variety of diseases ranging from alleviation of autoimmune disorders to prevention of metastasis of cancers. It has been shown previously that increased levels of urokinase-type plasminogen activator receptor (uPAR) correlate well with higher invasive phenotype. We examined whether thalidomide is able to suppress the expression of uPAR mRNA and protein in human ovarian cancer cell line HRA and human chondrosarcoma cell line HCS-2/8. Here, we show that: (a) thalidomide suppresses the expression of constitutive and transforming growth factor-beta1 (TGF-beta1)-induced uPAR mRNA and protein; (b) a nuclear factor kappaB (NF-kappaB) activation system (phosphorylation of IkappaB-alpha and degradation of IkappaB-alpha) is necessary for the TGF-beta1-induced increase in uPAR expression, because L-1-tosylamido-2-phenylethyl chloromethyl ketone, a NF-kappaB inhibitor, reduced the uPAR production as well as mRNA expression; (c) thalidomide failed to further strengthen L-1-tosylamido-2-phenylethyl chloromethyl ketone's action; (d) the once-daily i.p. administration of thalidomide (400 microg/g body weight/d) decreased progressive growth of HRA tumors and ascites formation in an in vivo animal model; and (e) the once-daily i.p. administration of thalidomide in combination with paclitaxel (i.p., 100 microg/20 g at days 2 and 5) significantly decreased progressive growth of HRA cells in a synergistic fashion. We conclude that thalidomide down-regulates constitutive and TGF-beta1-stimulated uPAR mRNA and protein expression possibly through suppression of NF-kappaB activation. Furthermore, combination therapy with thalidomide plus paclitaxel may be an effective way to markedly reduce i.p. tumor growth and ascites in ovarian cancer dissemination.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
http://linkedlifedata.com/resource/pubmed/chemical/NF-kappa B, http://linkedlifedata.com/resource/pubmed/chemical/PLAUR protein, human, http://linkedlifedata.com/resource/pubmed/chemical/Paclitaxel, http://linkedlifedata.com/resource/pubmed/chemical/Plaur protein, mouse, http://linkedlifedata.com/resource/pubmed/chemical/RNA, Messenger, http://linkedlifedata.com/resource/pubmed/chemical/Receptors, Cell Surface, http://linkedlifedata.com/resource/pubmed/chemical/Receptors, Urokinase Plasminogen..., http://linkedlifedata.com/resource/pubmed/chemical/TGFB1 protein, human, http://linkedlifedata.com/resource/pubmed/chemical/Tgfb1 protein, mouse, http://linkedlifedata.com/resource/pubmed/chemical/Thalidomide, http://linkedlifedata.com/resource/pubmed/chemical/Transforming Growth Factor beta, http://linkedlifedata.com/resource/pubmed/chemical/Transforming Growth Factor beta1, http://linkedlifedata.com/resource/pubmed/chemical/Urokinase-Type Plasminogen Activator
pubmed:status
MEDLINE
pubmed:month
Nov
pubmed:issn
0008-5472
pubmed:author
pubmed:issnType
Print
pubmed:day
15
pubmed:volume
65
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
10464-71
pubmed:dateRevised
2008-11-21
pubmed:meshHeading
pubmed-meshheading:16288038-Animals, pubmed-meshheading:16288038-Antineoplastic Combined Chemotherapy Protocols, pubmed-meshheading:16288038-Cell Line, Tumor, pubmed-meshheading:16288038-Chondrosarcoma, pubmed-meshheading:16288038-Drug Synergism, pubmed-meshheading:16288038-Female, pubmed-meshheading:16288038-Gene Expression, pubmed-meshheading:16288038-Humans, pubmed-meshheading:16288038-Mice, pubmed-meshheading:16288038-Mice, Inbred BALB C, pubmed-meshheading:16288038-Mice, Nude, pubmed-meshheading:16288038-NF-kappa B, pubmed-meshheading:16288038-Ovarian Neoplasms, pubmed-meshheading:16288038-Paclitaxel, pubmed-meshheading:16288038-RNA, Messenger, pubmed-meshheading:16288038-Receptors, Cell Surface, pubmed-meshheading:16288038-Receptors, Urokinase Plasminogen Activator, pubmed-meshheading:16288038-Thalidomide, pubmed-meshheading:16288038-Transforming Growth Factor beta, pubmed-meshheading:16288038-Transforming Growth Factor beta1, pubmed-meshheading:16288038-Urokinase-Type Plasminogen Activator, pubmed-meshheading:16288038-Xenograft Model Antitumor Assays
pubmed:year
2005
pubmed:articleTitle
Suppression of urokinase receptor expression by thalidomide is associated with inhibition of nuclear factor kappaB activation and subsequently suppressed ovarian cancer dissemination.
pubmed:affiliation
Department of Obstetrics and Gynecology, Hamamatsu University School of Medicine, Handayama 1-20-1, Hamamatsu, Shizuoka, Japan. hirokoba@hama-med.ac.jp
pubmed:publicationType
Journal Article, Research Support, Non-U.S. Gov't