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Updated: Apr 26, 2026
Studying TGF-β Signaling and TGF-β-induced Epithelial-to-mesenchymal Transition in Breast Cancer and Normal Cells
Published on: October 27, 2020
FGF10: Type III Epithelial Mesenchymal Transition and Invasion in Breast Cancer Cell Lines
Ali Abolhassani1, Gholam Hossein Riazi2, Ebrahim Azizi3
11. Group of Genetics, Cancer Research Center, Cancer Institute of Iran, Tehran University of Medical Sciences (TUMS), Tehran, Iran ; 2. Institute of Biochemistry and Biophysics (IBB), University of Tehran, Tehran, Iran.
Purpose:
Fibroblastic growth factor-10 (FGF-10) has an important role in type I epithelial mesenchymal transition (EMT) during the embryonic period of life (gastrulation). Since EMT has a critical role during cancer cells invasion and metastasis (type III) this study sought to investigate the possible role of FGF-10 in type III EMT by monitoring breast cancer cell lines' behavior by FGF-10 regulation.
Methods:
MCF-7 and MDA-MB-231 cell lines with different levels of FGF10 expression were treated with FGF-10 recombinant protein and FGF-10 siRNA, respectively.
Results:
The cell viability, migration, colony formation and wound healing have a direct relationship with FGF-10 expression, while FGF-10 expression decreased apoptosis. All mesenchymal factors (such as vimentin, N cadherin, snail, slug, TGF-β) increased due to FGF-10 expression with contrary expression of epithelial markers (such as E-cadherin). Moreover, GSK3β phosphorylation (inactivation) increased with FGF-10 expression.
Conclusion:
The important role of FGF-10 in type III EMT on cancer cells and initiation of metastasis via various kinds of signaling pathways has been suggested.
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Epithelial-to-Mesenchymal Transition
The epithelial-to-mesenchymal transition or EMT is a developmental process commonly observed in wound healing, embryogenesis, and cancer metastasis. EMT is induced by transforming growth factor-beta (TGF-β) or receptor tyrosine kinase (RTK) ligands, which further...