Journal
INTERNATIONAL JOURNAL OF CANCER
Volume 120, Issue 10, Pages 2061-2067Publisher
WILEY
DOI: 10.1002/ijc.22648
Keywords
activator protein-2; HER2; carcinogenesis; breast cancer; prognosis
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Activator protein-2 (AP-2) transcription factors are involved in the regulation of cell proliferation, differentiation, apoptosis and carcinogenesis. AP-2 alpha has been suggested to function as a tumor suppressor in many cancers and AP-2 gamma to be a marker of testicular and germ cell malignancies. At least 3 of the 5 AP-2 family members identified to date, AP-2 alpha, AP-2 beta and AP-2 gamma, are known to be expressed in breast tissue and thought to coordinate the growth and development of the breast via regulation of several breast-related genes such as human epidermal growth factor receptor-2 (HER2) and estrogen receptor (ER). The function of AP-2 alpha seems to be tumor suppressive in breast tissue, whereas the role of the other AP-2 family members is less well known. In this review, we summarize the current knowledge of AP-2 in carcinogenesis, especially in breast cancer. (c) 2007 Wiley-Liss, Inc.
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