ArticleThyroid research2025
TGF-β induces EMT in thyroid cancer cells by regulating transcription factors.
Article in Thyroid research, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed.
- Inhibition of TGF-β1/Smad signaling reverses the dedifferentiated phenotype of thyroid cancer cells in three-dimensional culture.Journal of endocrinological investigation · 2026Article
- Review
- Serum-free culture with PVP enables maintenance of primary culture of parathyroid cells in vitro.Bioscience reports · 2026Article
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8 authors.
Funding
Abstract
backgroundTransforming growth factor-β (TGF-β) plays well-established roles in cancer cell invasion and epithelial-mesenchymal transition (EMT); however, its role in thyroid carcinoma (TC) remains unclear. This study aimed to evaluate the effects of TGF-β on EMT in TC and determine its underlying mechanisms.
methodsTreatment of TC cell lines with TGF-β the morphology of thyroid cancer cells changed, Immunofluorescence staining revealed that the localization of E-cadherin shifted from the cell membrane to the cytoplasm, and the fluorescence intensity decreases. Wound-healing assay in BCPAP and TPC-1 revealed that migration ability was significantly higher in the TGF-β (5 ng/mL) treatment group than in the control group (P < 0.01).
resultsTranswell assays showed that the invasive abilities of TGF-β-treated BCPAP, TPC-1, and K1 cells were 7-, 10-, and 6-fold higher than those of the control group, respectively (P < 0.05). After TGF-β treatment, mRNA levels of SNAI1 significantly increased in TPC-1 and BCPAP cell lines. Treatment of TC cell lines with TGF-β downregulated the epithelial marker E-cadherin and upregulated the mesenchymal markers N-cadherin and vimentin, at the mRNA level. Western blotting indicated similar results at the protein level, TSH could enhance this process.
conclusionsTGF-β promotes EMT-like phenotypic changes in thyroid cancer cells, accompanied by upregulation of SNAI1 and EMT-related markers, which is enhanced by TSH. Overall, this study provides a basis for the development of therapeutic strategies for TC targeting the EMT.
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