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Targeting the tumour microenvironment: denosumab, a new RANKL inhibitor

Coleman, R.E. (2009) Targeting the tumour microenvironment: denosumab, a new RANKL inhibitor. Breast Cancer Research, 11 (Suppl 1). S16. ISSN 1465-5411

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Abstract

Bone is the most common site for metastasis and is of particular clinical importance in breast cancer, which is common and associated with a relatively long clinical course. Metastatic bone disease results from the interactions between cancer cells in the bone marrow microenvironment and normal bone cells rather than direct destruction by cancer cells. These growth factor and cytokine-mediated interactions typically lead to stimulation of both osteoclast and osteoblast function with uncoupling and imbalance in bone remodelling. This provides the rationale for bone-targeted therapies to reduce the risk of skeletal complications such as fracture, and to relieve bone pain. Additionally, bone-derived growth factors released from bone promote a fertile environment for the survival and proliferation of cancer cells, creating a vicious cycle of bone destruction. Receptor activator of NF-κB ligand (RANKL) is a key mediator in this process. Within the bone microenvironment, factors secreted by tumour cells stimulate stromal cells and osteoblasts to secrete RANKL, which binds to its cognate receptor RANK on the surface of precursor and mature osteoclasts. RANKL is a critical mediator of osteoclast differentiation, function, and survival.

Item Type: Article
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: 01 Oct 2009 13:03
Last Modified: 01 Oct 2009 13:03
Published Version: http://breast-cancer-research.com/content/11/S1/S1...
Status: Published
Publisher: Biomed Central
Identification Number: 10.1186/bcr2277
URI: http://eprints.whiterose.ac.uk/id/eprint/9630

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