Linked Life Data

18485794

Source:http://linkedlifedata.com/resource/pubmed/id/18485794

Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
12
pubmed:dateCreated
2008-11-25
pubmed:abstractText
Tumstatin - non-collagenous (NC1) domain of the alpha 3 chain of type IV collagen - is a potent inhibitor of tumor angiogenesis. Successful tumor inhibition has been reported in glioma, bronchopulmonary cancer and melanoma experimental model. In this study, the effects of tumstatin, in vitro and in vivo, were investigated in an oral cancer model. Recombinant human tumstatin proteins were obtained by the transformation of Tn 5B1-4 cells, transfected with a plasmid containing tumstatin cDNA using the lipofection method, as previously described. Tumstatin inhibited the proliferation of human umbilical vascular endothelial cells in a dose dependent manner in a proliferation assay. For the in vivo analysis, we established an orthotopic oral squamous cell carcinoma (AT-84 cells) animal (C3H/He) model. In this animal model, the in vivo inhibitory effects of tumstatin on the tumor growth and on the metastasis of tumors were demonstrated. However, the tumors did not show complete remission. Immunostaining of the tumor microvessels (CD-31/PECAM) revealed that the density of tumor microvessels was significantly decreased in the tumstatin treated primary tumors. The results demonstrated that tumstatin delayed the tumor growth and the metastasis of oral squamous cell carcinomas. However, tumstatin alone failed to achieve tumor regression. Therefore, tumstatin might have an adjuvant role in the treatment of oral cancers, in combination with the conventional therapy.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Dec
pubmed:issn
1368-8375
pubmed:author
pubmed:issnType
Print
pubmed:volume
44
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
1118-26
pubmed:meshHeading
pubmed:year
2008
pubmed:articleTitle
Peritumor injections of purified tumstatin delay tumor growth and lymphatic metastasis in an orthotopic oral squamous cell carcinoma model.
pubmed:affiliation
Department of Genetic Engineering and Plant Metabolism Research Center, Kyung Hee University, Suwon 449-701, Republic of Korea.
pubmed:publicationType
Journal Article, Research Support, Non-U.S. Gov't