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Updated: Jul 15, 2026

Studying TGF-β Signaling and TGF-β-induced Epithelial-to-mesenchymal Transition in Breast Cancer and Normal Cells
Published on: October 27, 2020
Transforming growth factor-beta signaling in breast cancer
Ching-Fang Chang1, Reyhan Westbrook, Jun Ma
1Department of Medical Microbiology, Immunology, and Cell Biology, SimmonsCooper Cancer Institute, Southern Illinois University School of Medicine, Springfield, IL 62702, USA.
Abstract:
Transforming growth factor-beta (TGF-beta) is a multifunctional polypeptide that regulates cell growth, differentiation, and extracellular matrix formation. Studies on genetically engineered animal models have demonstrated that TGF-beta-mediated signaling pathway plays a critical role in both normal development and tumorigenesis of the breast. In pathogenesis of breast cancer, the role of TGF-beta appears featured with growth-inhibitory effects at early stages of carcinogenesis, but aggressive oncogenesis with transition to more advanced malignant states. The TGF-beta signaling pathway is also tissue-context and ligand content-dependent. Therein, therapeutic modulation of TGF-beta signaling may be a multifactorial event.
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