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- W3159223877 abstract "Epithelial–mesenchymal transition (EMT) is an essential mechanism contributing to glioblastoma multiforme (GBM) progression, the most common and malignant brain tumor. EMT is induced by signaling pathways that crosstalk and regulate an intricate regulatory network of transcription factors. It has been shown that downstream components of 17β-estradiol (E2) and transforming growth factor β (TGF-β) signaling pathways crosstalk in estrogen-sensitive tumors. However, little is known about the interaction between the E2 and TGF-β signaling components in brain tumors. We have investigated the relationship between E2 and TGF-β signaling pathways and their effects on EMT induction in human GBM-derived cells. Here, we showed that E2 and TGF-β negatively regulated the expression of estrogen receptor α (ER-α) and Smad2/3. TGF-β induced Smad2 phosphorylation and its subsequent nuclear translocation, which E2 inhibited. Both TGF-β and E2 induced cellular processes related to EMT, such as morphological changes, actin filament reorganization, and mesenchymal markers (N-cadherin and vimentin) expression. Interestingly, we found that the co-treatment of E2 and TGF-β blocked EMT activation. Our results suggest that E2 and TGF-β signaling pathways interact through ER-α and Smad2/3 mediators in cells derived from human GBM and inhibit EMT activation induced by both factors alone." @default.
- W3159223877 created "2021-05-10" @default.
- W3159223877 creator A5008906985 @default.
- W3159223877 creator A5032459165 @default.
- W3159223877 date "2021-04-28" @default.
- W3159223877 modified "2023-10-02" @default.
- W3159223877 title "Crosstalk between 17β-Estradiol and TGF-β Signaling Modulates Glioblastoma Progression" @default.
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- W3159223877 doi "https://doi.org/10.3390/brainsci11050564" @default.
- W3159223877 hasPubMedCentralId "https://www.ncbi.nlm.nih.gov/pmc/articles/8145480" @default.
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- W3159223877 hasPublicationYear "2021" @default.
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