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Pretreatment of breast cancer cells with doxorubicin facilitates the subsequent uptake of zoledronic acid

Lefley, D.V., Holen, I., Coleman, R.E. and Ottewell, P.D. (2008) Pretreatment of breast cancer cells with doxorubicin facilitates the subsequent uptake of zoledronic acid. In: Breast Cancer Research 2008, May 2008, London, UK.

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Abstract

Breast cancer patients commonly receive a combination of different therapies; however, our understanding of how such combined treatments work is incomplete. We have previously shown that sequential administration of the cytotoxic agent doxorubicin (dox) (Pharmachemie BV, Haarlem, The Netherlands) followed by the antiresorptive agent zoledronic acid (zol) (Novartis Pharma, Basel, Switzerland) synergistically increased tumour cell apoptosis in vitro, and also increased tumour cell apoptosis, decreased tumour cell proliferation and reduced subcutaneous in breast tumour growth in vivo. In contrast, pretreating the cells with zol before dox or adding both drugs simultaneously did not cause synergy. The aim of the present study was to determine the mechanism by which sequential administration of dox followed by zol exerts the increased antitumour effects.

Item Type: Conference or Workshop Item (Poster)
Copyright, Publisher and Additional Information: © 2008 BioMed Central Ltd
Academic Units: The University of Sheffield > Faculty of Medicine, Dentistry and Health (Sheffield) > School of Medicine (Sheffield)
Depositing User: Sheffield Import
Date Deposited: 05 Oct 2009 11:44
Last Modified: 08 Oct 2009 10:15
Published Version: http://breast-cancer-research.com/content/10/S2/P8...
Status: Published
URI: http://eprints.whiterose.ac.uk/id/eprint/9692

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