Growth plate chondrocytes inhibit neo-angiogenesis - a possible mechanism for tumor control
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AbstractClinically, tumors seldom grow across the articular cartilage and physeal plate. It is believed that avascular cartilage may inhibit the neo-vascularization of tumor spread. The conditioned medium of growth plate chondrocytes resisted the migration of ECV304 by approximately 41% in invasion assay. Growth plate chondrocytes were shown by the 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) assay to have an insignificant effect on the viability of human endothelial cells and fibroblasts. However, the proliferation of human endothelial cells was significantly inhibited by growth plate chondrocytes. The inhibitory activity was up to 35% and specific to endothelial cells. Inhibition of blood vessel formation was also demonstrated in the chick chorioallantoic membrane (CAM) assay. These findings demonstrated that growth plate chondrocytes secrete antiangiogenesis factor(s) which specifically inhibit both the migration and proliferation of endothelial cells. (C) 2001 Elsevier Science Ireland Ltd. All rights reserved.
All Author(s) ListCheung WH, Lee KM, Fung KP, Leung KS
Journal nameCancer Letters
Volume Number163
Issue Number1
Pages25 - 32
LanguagesEnglish-United Kingdom
Keywordsanti-angiogenesis; chondrocytes; endothelial cells; growth plate
Web of Science Subject CategoriesOncology; ONCOLOGY

Last updated on 2021-24-09 at 01:08