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A Dual Role for FADD in Human Precursor T-Cell Neoplasms

Lookup NU author(s): Dr Jose Luis Marin-RubioORCiD, Jack Gudgeon, Frances Sidgwick, Professor Matthias TrostORCiD

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This work is licensed under a Creative Commons Attribution 4.0 International License (CC BY 4.0).

Abstract

© 2022 by the authors.A reduction in FADD levels has been reported in precursor T-cell neoplasms and other tumor types. Such reduction would impact on the ability of tumor cells to undergo apoptosis and has been associated with poor clinical outcomes. However, FADD is also known to participate in non-apoptotic functions, but these mechanisms are not well-understood. Linking FADD expression to the severity of precursor T-cell neoplasms could indicate its use as a prognostic marker and may open new avenues for targeted therapeutic strategies. Using transcriptomic and clinical data from patients with precursor T-cell neoplasms, complemented by in vitro analysis of cellular functions and by high-throughput interactomics, our results allow us to propose a dual role for FADD in precursor T-cell neoplasms, whereby resisting cell death and chemotherapy would be a canonical consequence of FADD deficiency in these tumors, whereas deregulation of the cellular metabolism would be a relevant non-canonical function in patients expressing FADD. These results reveal that evaluation of FADD expression in precursor T-cell neoplasms may aid in the understanding of the biological processes that are affected in the tumor cells. The altered biological processes can be of different natures depending on the availability of FADD influencing its ability to exert its canonical or non-canonical functions. Accordingly, specific therapeutic interventions would be needed in each case.

Publication metadata

Author(s): Marin-Rubio JL, Vela-Martin L, Gudgeon J, Perez-Gomez E, Sidgwick FR, Trost M, Cunningham DL, Santos J, Fernandez-Piqueras J, Villa-Morales M

Publication type: Article

Publication status: Published

Journal: International Journal of Molecular Sciences

Year: 2022

Volume: 23

Issue: 23

Print publication date: 01/12/2022

Online publication date: 02/12/2022

Acceptance date: 30/11/2022

Date deposited: 05/01/2023

ISSN (print): 1661-6596

ISSN (electronic): 1422-0067

Publisher: MDPI

URL: https://doi.org/10.3390/ijms232315157

DOI: 10.3390/ijms232315157

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