Summary
Targeted therapies for breast cancer rely on an understanding of cellular signaling in both normal and neoplastic tissue. The transforming growth factor-beta (TGF-β) signaling pathway is an important regulator of both normal mammary gland development and mammary carcinogenesis. The TGF-β signaling pathway regulates numerous cellular processes in breast tissue, including proliferation, apoptosis, migration, and invasion, in addition to contributing to angiogenesis and modulation of the immune system. TGF-β often has opposing effects on these cellular processes, with its effects being both cell and context specific. Moreover, TGF-β possesses a unique dichotomy of function in breast cancer progression, acting as a tumor suppressor early in breast cancer carcinogenesis and then as a tumor promoter in the later stages of breast cancer progression. Highlighting the complexities inherent in TGF-β signaling, along with our current efforts to better our understanding of it, we outline several strategies that may enable us to create focused therapies in the prevention and treatment of breast cancer.
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Lee, J.D., Blobe, G.C. (2009). TGF-β Signaling. In: Giordano, A., Normanno, N. (eds) Breast Cancer in the Post-Genomic Era. Current Clinical Oncology. Humana Press. https://doi.org/10.1007/978-1-60327-945-1_9
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DOI: https://doi.org/10.1007/978-1-60327-945-1_9
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