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Tamoxifen pp 343-358 | Cite as

Antiestrogen Regulation of erbB2 Expression in Human Breast Cancer Cells

  • Anni M. Wärri
  • Pirkko L. Härkönen

Abstract

The erbB2 protein is supposed to have important functions as a growth factor receptor during growth and differentiation as well as in normal function of the mammary epithelium. It can be activated to a transforming oncogene and in human breast cancer, the amplification and/or overexpression of erbB2 gene is associated with aggressive growth of the tumor and poor prognosis of the patient. The expression of erbB2 is regulated by estrogen and the antiestrogens Tamoxifen and Toremifene which are both used in the treatment of breast cancer. The knowledge of the role and mechanisms of the anti estrogen regulation of this important growth factor receptor and potential oncogene would provide important information of the biology and therapeutic possibilities of human breast cancer.

Keywords

Breast Cancer Breast Cancer Cell Human Breast Cancer Cell erbB Receptor erbB2 Expression 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Birkhäuser Boston 1996

Authors and Affiliations

  • Anni M. Wärri
  • Pirkko L. Härkönen

There are no affiliations available

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