Targeting RANK/RANKL in the Treatment of Solid Tumours and Myeloma

Author(s): C.H. Buckle, H.L. Neville-Webbe, P.I. Croucher, M.A. Lawson.

Journal Name: Current Pharmaceutical Design

Volume 16 , Issue 11 , 2010

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Abstract:

Cancers which damage the human skeleton include multiple myeloma, where the primary tumour colonises bone directly, or breast and prostate cancer, where malignant cells travel from the primary tumour to form clonal outgrowths within the bone. Owing to the interaction of tumour cells with those normally found in the bone microenvironment, such as osteoclasts and osteoblasts, these cancers affect the closely linked processes of bone formation and resorption. As a result, these twin processes contribute to the clinical manifestations of cancer metastasis, including bone pain and pathological fractures. A critical component of physiologically normal bone remodelling, the RANK/RANKL/OPG pathway, has been implicated in the formation of osteolytic, and possibly osteoblastic, lesions, which characterise the bone disease associated with these malignancies. In these cancers that affect the skeleton in this way the abnormally regulated RANK/RANKL system appears to be the final effector pathway. As a result, there has been much research focused upon targeting these molecules using OPG constructs, peptidomimetics, soluble receptor constructs and antibodies to RANKL, in preclinical studies. The success of these studies has paved the way for a clinical programme, the success of which is likely to lead to a new therapeutic approach to treating cancers that develop in the skeleton.

Keywords: RANK, RANKL, OPG, TRAIL, osteoclastogenesis, bone, metastasis

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Article Details

VOLUME: 16
ISSUE: 11
Year: 2010
Page: [1272 - 1283]
Pages: 12
DOI: 10.2174/138161210791034021
Price: $58

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