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FADD in Cancer: Mechanisms of Altered Expression and Function, and Clinical Implications

Lookup NU author(s): Dr Jose Marin Rubio

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


Abstract

FADD was initially described as an adaptor molecule for death receptor-mediated apoptosis, but subsequently it has been implicated in nonapoptotic cellular processes such as proliferation and cell cycle control. During the last decade, FADD has been shown to play a pivotal role in most of the signalosome complexes, such as the necroptosome and the inflammasome. Interestingly, various mechanisms involved in regulating FADD functions have been identified, essentially posttranslational modifications and secretion. All these aspects have been thoroughly addressed in previous reviews. However, FADD implication in cancer is complex, due to pleiotropic effects. It has been reported either as anti- or protumorigenic, depending on the cell type. Regulation of FADD expression in cancer is a complex issue since both overexpression and downregulation have been reported, but the mechanisms underlying such alterations have not been fully unveiled. Posttranslational modifications also constitute a relevant mechanism controlling FADD levels and functions in tumor cells. In this review, we aim to provide detailed, updated information on alterations leading to changes in FADD expression and function in cancer. The participation of FADD in various biological processes is recapitulated, with a mention of interesting novel functions recently proposed for FADD, such as regulation of gene expression and control of metabolic pathways. Finally, we gather all the available evidence regarding the clinical implications of FADD alterations in cancer, especially as it has been proposed as a potential biomarker with prognostic value.


Publication metadata

Author(s): Marín-Rubio JL, Vela-Martín L, Fernández-Piqueras J, Villa-Morales M

Publication type: Article

Publication status: Published

Journal: Cancers

Year: 2019

Volume: 11

Issue: 10

Online publication date: 29/09/2019

Acceptance date: 27/09/2019

Date deposited: 04/02/2021

ISSN (electronic): 2072-6694

Publisher: MDPI AG

URL: https://doi.org/10.3390/cancers11101462

DOI: 10.3390/cancers11101462

PubMed id: 31569512


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