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Updated: Jun 21, 2026

Studying TGF-β Signaling and TGF-β-induced Epithelial-to-mesenchymal Transition in Breast Cancer and Normal Cells
Published on: October 27, 2020
TGF-beta3 and cancer: a review
H G Laverty1, L M Wakefield, N L Occleston
1Renovo Group Plc, Core Technology Facility, 48 Grafton Street, Manchester M13 9XX, UK.
Transforming growth factor-beta3 (TGF-beta3) may protect against cancer. Current data suggest that low doses of TGF-beta3 are unlikely to impact tumor development, despite some studies linking it to tumor progression.
Area of Science:
- Oncology
- Cell Biology
- Wound Healing
Background:
- Growth factors are emerging as therapeutics, prompting investigation into their role in tumorigenesis.
- Recombinant human TGF-beta3 (avotermin) is being developed for scar improvement, necessitating an understanding of its role in tumor progression.
- Elevated TGF-beta3 in late-stage tumors suggests a link to cancer, but functional data are lacking.
Purpose of the Study:
- To clarify the role of TGF-beta3 in tumor initiation and progression.
- To differentiate the function of TGF-beta3 from other TGF-beta isoforms (e.g., TGF-beta1) in cancer.
- To evaluate the potential impact of exogenous TGF-beta3 administration on tumorigenesis.
Main Methods:
- Review of existing literature on TGF-beta3 expression and function in various cancers.
- Analysis of studies investigating the normal biological roles of TGF-beta3.
- Comparison of TGF-beta3 data with data from other TGF-beta isoforms.
Main Results:
- Published studies suggest TGF-beta3 may have a protective role against tumorigenesis in skin, breast, and mucosal tissues.
- The normal biological functions of TGF-beta3 may be subverted during cancer development.
- Extrapolation of data from TGF-beta1 to TGF-beta3 is inappropriate due to distinct biological activities.
Conclusions:
- TGF-beta3's role in tumorigenesis is complex and potentially protective, contrary to some correlational findings.
- Acute, low-dose administration of exogenous TGF-beta3 is unlikely to influence tumor initiation or progression.
- Further research is needed to fully elucidate the dual role of TGF-beta3 in cancer biology.
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