Androgen receptor signalling and progression of prostate cancer [ 2004 - 2006 ]

Also known as: Androgen receptor signalling in prostate cancer

Research Grant

[Cite as]

Researchers: Prof Wayne Tilley (Principal investigator) ,  A/Pr Lisa Butler Prof Villis Marshall

Brief description Prostate cancer is a major health problem in Australia, being the second leading cause of cancer deaths in men. Although there have been improvements in the diagnosis and treatment of prostate cancer, there are no effective treatments for advanced (metastatic) disease that has spread to other parts of the body. Currently, the only therapy for advanced disease involves the reduction in circulating androgens such as testosterone by surgical or medical castration, i.e. androgen ablation. Because prostate cells are dependent on testicular androgens for their survival, surgical or medical castration results in an initial tumour regression. However, tumours inevitably develop resistance to current forms of androgen ablation therapy. Inappropriate activation of androgen signalling by non-testicular androgens or other agents may stimulate tumour growth following androgen ablation. In this study, we aim to identify and characterise determinants of the specificity and sensitivity of activation of the androgen receptor, which is the primary mediator of androgen action. Current androgen ablation treatments for prostate cancer only target the availability of androgenic ligands. We propose that it is also necessary to target the androgen receptor itself, because it can be activated by ligands other than testicular androgens. Therefore, we will also evaluate a panel ofagents that target different aspects of the androgen signalling axis, combined with androgen ablation using a cyclical approach to prevent or delay disease progression.

Funding Amount $AUD 462,750.00

Funding Scheme NHMRC Project Grants

Notes Standard Project Grant

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