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Molecular pathology of breast cancer and its application to clinical management

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Abstract

Breast cancer is a major cause of morbidity and mortality in women in many parts of the world. Breast carcinomas are heterogenous in their biological and clinical behaviour and a greater understanding of how they develop and progress could lead to more directed forms of screening and therapy. It is important to determine the molecular mechanisms underlying the natural history of breast cancer.

Developments in the techniques for molecular analysis have meant that they can now be applied to a large range of clinical material such as cytological preparations and fixed, embedded material, so increasing the potential for relating any molecular alterations to clinical behaviour and response to therapy.

In this review we consider recent developments in three areas of importance to breast cancer; genetic analysis — oncogenes, tumour suppressor genes, loss of heterozygosity, microsatellite instability, familial breast cancer; steroid receptors, oestrogen regulated proteins, epidermal growth factor receptor, growth factors particularly transforming growth factor beta; and cell adhesion, invasion and metastasis — E-cadherin, integrins, proteases. These are discussed in relation to potential for screening, prognosis and treatment.

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Walker, R.A., Jones, J.L., Chappell, S. et al. Molecular pathology of breast cancer and its application to clinical management. Cancer Metastasis Rev 16, 5–27 (1997). https://doi.org/10.1023/A:1005740222307

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