PMID: 8614850Feb 1, 1996Paper

Implications of the new biology for therapy in breast cancer

Seminars in Oncology
George Sledge

Abstract

It is a truism that a better understanding of the biology of breast cancer should lead to improvements in diagnosis and therapy. Despite this, our significantly improved grasp of breast cancer biology has had little direct therapeutic impact to date. The technologies used to treat breast cancer (surgery, radiation therapy, chemotherapy, and hormonal therapy) were in general developed decades ago. With the exception of the prognostic factor area, advances in biological knowledge have not translated into either new therapies or altered outcomes. Fortunately, this now appears to be changing. This paper will focus on three emerging areas in which the new biology is most likely to have a therapeutic impact. The first area involves growth factors and their receptors. It is now clear that the growth of breast cancer is regulated by growth factor receptors (eg, EGFR and Her-2/neu), and that their upregulation is associated with impaired prognosis. Growth factors and their receptors represent a promising therapeutic target, both alone and in combination with other standard agents. Recent evidence suggests that growth factors and their receptors may be important for regulating programmed cell death (apoptosis) in breast cancer. A second ...Continue Reading

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