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Curr Drug Targets. 2008 Jul;9(7):571-80.

Wnt signaling and prostate cancer.

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Laboratory of Cell Signaling and Carcinogenesis, Van Andel Research Institute, 333 Bostwick NE, Grand Rapids, MI 49503, USA.


Canonical Wnt signaling has emerged as an important pathway that underlies the initia nottion of prostate cancer. Both human cancers and mouse models have confirmed that mutations or altered expression of components of this pathway are associated with prostate tumors. Additionally, several reports suggest that this pathway plays a key role in the establishment of skeletal metastasis. This review discusses our current knowledge of the Wnt signaling pathway in the development of prostate cancer. First, we will overview the Wnt signaling pathway to provide background for the rest of the discussion. We will then review the literature on the role of this pathway and the down notstream effector, beta-catenin, in the development and progression of prostate cancer and skeletal metastasis. We will also discuss reports that suggest that beta-catenin can directly interact with the androgen receptor to modulate its activity. These recent developments may provide insight into how tumor growth can be achieved under androgen deprivation. Finally, we speculate on how the pathway may be targeted for therapeutic treatment and what agents may be available to achieve this goal.

[Indexed for MEDLINE]

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