TGFβ-induced FOXS1 controls epithelial-mesenchymal transition and predicts a poor prognosis in liver cancer - Sorbonne Université
Journal Articles International Hepatology Communications Year : 2022

TGFβ-induced FOXS1 controls epithelial-mesenchymal transition and predicts a poor prognosis in liver cancer

Raphaël Pineau
Stefano Caruso

Abstract

Transforming growth factor beta (TGFβ) plays a key role in tumor progression, notably as a potent inducer of epithelial-mesenchymal transition (EMT). However, all of the molecular effectors driving TGFβ-induced EMT are not fully characterized. Here, we report that forkhead box S1 (FOXS1) is a SMAD (mothers against decapentaplegic)dependent TGFβ-induced transcription factor, which regulates the expression of genes required for the initial steps of EMT (e.g., snail family transcription repressor 1) and to maintain a mesenchymal phenotype in hepatocellular carcinoma (HCC) cells. In human HCC, we report that FOXS1 is a biomarker of poorly differentiated and aggressive tumor subtypes. Importantly, FOXS1 expression level and activity are associated with a poor prognosis (e.g., reduced patient survival), not only in HCC but also in colon, stomach, and kidney cancers. Conclusion: FOXS1 constitutes a clinically relevant biomarker for tumors in which the pro-metastatic arm of TGFβ is active (i.e., patients who may benefit from targeted therapies using inhibitors of the TGFβ pathway). (Hepatology Communications 2021;0:1-15).
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hal-03456534 , version 1 (30-11-2021)

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Kevin Bévant, Matthis Desoteux, Gaëlle Angenard, Raphaël Pineau, Stefano Caruso, et al.. TGFβ-induced FOXS1 controls epithelial-mesenchymal transition and predicts a poor prognosis in liver cancer. International Hepatology Communications, 2022, 6 (5), pp.1157-1171. ⟨10.1002/hep4.1866⟩. ⟨hal-03456534⟩
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