Article Dans Une Revue Signal Transduction and Targeted Therapy Année : 2025

NADPH oxidase 1/4 dual inhibition impairs transforming growth factor-beta protumorigenic effects in cholangiocarcinoma cancer-associated fibroblasts

Mariana Yáñez-Bartolomé
Laura Sererols-Viñas
  • Fonction : Auteur
Aashreya Ravichandra
  • Fonction : Auteur
Celia Guiton
  • Fonction : Auteur
Noel P. Fuste
  • Fonction : Auteur
Ania Alay
  • Fonction : Auteur
Sara Hijazo-Pechero
  • Fonction : Auteur
Beatriz Martin-Mur
  • Fonction : Auteur
Marta Gut
Anna Esteve-Codina
Mariona Calvo
  • Fonction : Auteur
Berta Laquente
  • Fonction : Auteur
Steven Dooley
  • Fonction : Auteur
  • PersonId : 937785
Sumera I. Ilyas
  • Fonction : Auteur
Marie Lequoy
Silvia Affo
Tian V Tian

Résumé

Transforming growth factor beta (TGF-beta) signalling has become an attractive therapeutic target due to its pro-tumorigenic actions on epithelial cells and its immunosuppressive effects in the tumour microenvironment. In intrahepatic cholangiocarcinoma (iCCA), a highly aggressive malignancy of the biliary tract with poor prognosis, the latest clinical trials using TGF-beta inhibitors have failed indicating that the specific actions carried out by TGF-beta in iCCA are yet not well delineated. Here, we show that TGF-beta signalling is highly active in iCCA and exerts a prominent suppressor effect on tumour cell lines and organoids established from iCCA metastases biopsies, that relies on a functional canonical SMAD2/3/4 signalling. Thus, TGF-beta inhibitors promote, instead of inhibiting, tumour cell growth. In this context, a promising strategy is to target intracellular proteins downstream the TGF-beta receptors accounting only for TGF-beta pro-tumorigenic actions. NADPH oxidase 4 (NOX4), a downstream mediator of the TGF-beta signalling pathway, is strictly expressed in cancer-associated fibroblasts (CAF) of iCCA and acts in concert with NOX1 to regulate CAF functions. Use of a dual NOX4/NOX1 inhibitor impaired CAF actions and reduced tumour growth in vitro and in two different in vivo iCCA experimental models. Collectively, our findings reveal an actionable way to specifically target TGF-beta pro-tumorigenic actions in CAF from iCCA without undesirable side effects on tumour cells, suggesting a potentially bright future for dual NOX4/NOX1 inhibitors in the clinics, alone or in combination with other therapies.

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hal-05248792 , version 1 (10-09-2025)

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Josep Amengual, Ester Gonzalez-Sanchez, Mariana Yáñez-Bartolomé, Laura Sererols-Viñas, Aashreya Ravichandra, et al.. NADPH oxidase 1/4 dual inhibition impairs transforming growth factor-beta protumorigenic effects in cholangiocarcinoma cancer-associated fibroblasts. Signal Transduction and Targeted Therapy, 2025, 10 (1), pp.257. ⟨10.1038/s41392-025-02347-z⟩. ⟨hal-05248792⟩
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