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Bevacizumab resistance in breast cancer: are neuropilins the key?

Staton, C.A., Yang, Z., Reed, M.W.R. and Brown, N.J. (2008) Bevacizumab resistance in breast cancer: are neuropilins the key? In: Breast Cancer Research 2008, 13 May 2008, London, UK.


During breast cancer growth and development, angiogenesis is triggered by the interaction between vascular endothelial growth factor (VEGF) and its receptors VEGF-R1 and VEGF-R2. In breast cancer, alternative VEGF receptors, the neuropilins (Np1 and Np2), are often upregulated and serve to augment the effects of VEGF-R1/VEGF-R2 binding and provide alternative signalling pathways. Recently, a humanized antibody, Bevacizumab (Bz), which prevents VEGF binding to VEGF-R1/VEGF-R2, in combination with chemotherapy demonstrated initial efficacy (increased progression-free survival) in breast cancer phase III clinical trials. Eventually, however, the tumours evade treatment control. This may be because neuropilins are not blocked by Bz and provide an alternative VEGF signalling pathway in breast cancer. Therefore the present study aims to evaluate the potential of enhancing efficacy of Bz treatment by simultaneously blocking VEGF–neuropilin binding.

Item Type: Conference or Workshop Item (Poster)
Copyright, Publisher and Additional Information: © 2008 BioMed Central Ltd.
Institution: The University of Sheffield
Academic Units: The University of Sheffield > Faculty of Medicine, Dentistry and Health (Sheffield) > School of Medicine (Sheffield) > Division of Genomic Medicine (Sheffield) > Department of Oncology (Sheffield)
Depositing User: Sheffield Import
Date Deposited: 05 Oct 2009 16:19
Last Modified: 15 Sep 2014 01:35
Published Version: http://breast-cancer-research.com/content/10/S2/P7...
Status: Published
URI: http://eprints.whiterose.ac.uk/id/eprint/9747

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