The Role of the Androgen Receptor in Triple-Negative Breast Cancer

Author:

Shah Payal D12,Gucalp Ayca12,Traina Tiffany A12

Affiliation:

1. Breast Cancer Medicine Service, Memorial Sloan-Kettering Cancer Center, 300 East 66th Street, New York, NY 10065, USA

2. Department of Medicine, Weill Medical College of Cornell University, 1300 York Avenue, New York, NY 10065, USA

Abstract

Greater than 70% of human breast cancers express the androgen receptor (AR). Emerging preclinical and clinical data suggest that AR may play a role in breast cancer pathogenesis and may serve as a therapeutic target in certain more difficult-to-treat breast cancer subtypes, such as triple-negative breast cancer. Although this is an area of active investigation, the clinical significance of this hormone receptor as a prognostic/predictive marker and its functional role in tumorigenesis is unclear. This review provides an update on the advances made in the last several years regarding the role of AR as a prognostic/predictive biomarker in breast cancer, the underlying biology of AR signaling in breast cancer development and the available clinical data for the use of androgen inhibition in the treatment of AR+ triple-negative breast cancer.

Publisher

SAGE Publications

Subject

General Medicine

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