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Updated: Jul 31, 2026
09:18
Spheroid Assay to Measure TGF-β-induced Invasion
Published on: November 16, 2011
TGF-beta signaling in cancer--a double-edged sword
1Mt Zion Cancer Research Institute, University of California at San Francisco, San Francisco, CA 94143-0875, USA. rakhurst@cc.ucsf.edu
Trends in Cell Biology
|October 31, 2001
Summary
Transforming growth factor beta1 (TGF-β1) normally inhibits tumor growth. Cancer cells often evade this effect, promoting invasion and metastasis, necessitating therapies that block invasion while preserving TGF-β1
Area of Science:
- Oncology
- Molecular Biology
- Cancer Signaling
Background:
- Transforming growth factor beta1 (TGF-β1) is a key tumor suppressor.
- Cancer cells frequently develop resistance to TGF-β1's inhibitory effects.
- Ras pathway activation commonly disrupts TGF-β1 signaling in carcinomas.
Purpose of the Study:
- To explore the dual role of TGF-β1 in cancer.
- To investigate mechanisms of resistance to TGF-β1.
- To inform therapeutic strategies targeting TGF-β1 signaling.
Main Methods:
- Analysis of TGF-β1 signaling pathways in cancer.
- Investigating mechanisms of cancer cell resistance to TGF-β1.
- Evaluating therapeutic interventions for TGF-β1-mediated effects.
Main Results:
- Carcinomas often exhibit resistance to TGF-β1-induced growth inhibition.
- Tumor cells can hijack TGF-β1 signaling to promote invasion and metastasis.
- Dysregulation of TGF-β1 pathway components is common in cancers.
Conclusions:
- Therapeutic strategies must address TGF-β1-induced invasion and metastasis.
- Maintaining TGF-β1's tumor-suppressive functions is crucial for effective cancer treatment.
- Targeting downstream effectors of TGF-β1 may offer novel therapeutic avenues.
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