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J Cell Biochem. 2004 Jan 1;91(1):3-12.

Molecular basis for the antiandrogen withdrawal syndrome.

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George Whipple Laboratory for Cancer Research, Department of Pathology, and the Cancer Center, University of Rochester Medical Center, Rochester, New York 14642, USA.


In patients with prostate cancer who manifest disease progression during combined androgen blockade therapy, discontinuation of antiandrogen treatment might result in prostate-specific antigen decline, often associated with clinical improvement. The response called antiandrogen withdrawal syndrome is thus acknowledged as a general phenomenon. However, molecular mechanisms responsible for this syndrome are not completely understood. This article outlines the proposed mechanisms, including alterations of androgen receptor gene and its coregulatory proteins and activation of the signal transduction pathway, and the potential therapeutic approaches based on the specific mechanisms.

[Indexed for MEDLINE]

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