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Am J Cancer Res. 2012;2(4):434-45. Epub 2012 Jun 28.

Androgen receptor as a targeted therapy for breast cancer.

Abstract

Breast cancer occurs at a high frequency in women and, given this fact, a primary focus of breast cancer research has been the study of estrogen receptor α (ER) signaling. However, androgens are known to play a role in normal breast physiology and therefore androgen receptor (AR) signaling is becoming increasingly recognized as an important contributor towards breast carcinogenesis. Moreover, the high frequency of AR expression in breast cancer makes it an attractive therapeutic target, but the ability to exploit AR for therapy has been difficult. Here we review the historical use of androgen/anti-androgen therapies in breast cancer, the challenges of accurately modeling nuclear hormone receptor signaling in vitro, and the presence and prognostic significance of AR in breast cancer.

KEYWORDS:

Androgen receptor; MAP kinase; androgens; breast cancer; p21

PMID:
22860233
PMCID:
PMC3410582

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