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Clinical Chemistry and Laboratory Medicine (CCLM)

Published in Association with the European Federation of Clinical Chemistry and Laboratory Medicine (EFLM)

Editor-in-Chief: Plebani, Mario

Editorial Board Member: Gillery, Philippe / Kazmierczak, Steven / Lackner, Karl J. / Lippi, Giuseppe / Melichar, Bohuslav / Schlattmann, Peter / Whitfield, John B.

13 Issues per year

IMPACT FACTOR 2013: 2.955
Rank 5 out of 29 in category Medical Laboratory Technology in the 2013 Thomson Reuters Journal Citation Report/Science Edition

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Role of Steroid Hormones and Growth Factors in Breast Cancer

Leslie C. Lai

Citation Information: Clinical Chemistry and Laboratory Medicine. Volume 40, Issue 10, Pages 969–974, ISSN (Print) 1434-6621, DOI: 10.1515/CCLM.2002.170, June 2005

Publication History

Published Online:
2005-06-01

Abstract

Breast cancer is the most common cancer in women worldwide and its incidence is increasing. Oestrogens and mitogenic growth factors may play an important role in the development of breast cancer, whereas inhibitory growth factors may prevent the development of breast cancer. Only about 5 to 10% of cases of breast cancer are due to inheritance of mutations in the BRCA1 or BRCA2 tumour suppressor genes. Mutations in the p53 tumour suppressor gene are commonly found in sporadic breast cancers. Retinoic acid and carotenoids may play a protective role in breast cancer since they inhibit the growth of the oestrogen receptor-positive MCF-7 breast cancer cell line. The presence of oestrogen and progesterone receptors predicts the likelihood of benefit from hormonal therapy. Amplification of the c-erbB2 oncogene in breast cancers is associated with a poor prognosis. It is now apparent that there is a complex, productive cross-talk between oestrogen-directed and growth factor-directed pathways which are believed to markedly reinforce their individual cellular effects on growth and gene responses.

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