| Literature DB >> 19646811 |
Thomas J Wilson1, Kalyan C Nannuru, Mitsuru Futakuchi, Rakesh K Singh.
Abstract
Transforming growth factor (TGF)-beta signaling makes a significant contribution to the pathogenesis of breast cancer bone metastasis. In other tumor types, TGF-beta has been shown to promote tumor vascularity. Here, we report that inhibition of TGF-beta significantly reduces microvessel density in mammary tumor-induced bone lesions, mediated by decreased expression of both vascular endothelial growth factor (VEGF) and monocyte chemotactic protein (MCP)-1, both known angiogenic factors. Cathepsin G upregulation at the tumor-bone interface has been linked to increased TGF-beta signaling, and we also report that inhibition of Cathepsin G reduced tumor vascularity, as well as VEGF and MCP-1 expression. 2009 Elsevier Ireland Ltd. All rights reserved.Entities:
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Year: 2009 PMID: 19646811 PMCID: PMC2815079 DOI: 10.1016/j.canlet.2009.06.035
Source DB: PubMed Journal: Cancer Lett ISSN: 0304-3835 Impact factor: 8.679