NF-κB-Dependent and -Independent (Moonlighting) IκBα Functions in Differentiation and Cancer

IκBα is considered to play an almost exclusive role as inhibitor of the NF-κB signaling pathway. However, previous results have demonstrated that SUMOylation imposes a distinct subcellular distribution, regulation, NF-κB-binding affinity and function to the IκBα protein. In this review we discuss th...

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Main Authors: Lluís Espinosa, Laura Marruecos
Format: Article
Language:English
Published: MDPI AG 2021-09-01
Series:Biomedicines
Subjects:
Online Access:https://www.mdpi.com/2227-9059/9/9/1278
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author Lluís Espinosa
Laura Marruecos
author_facet Lluís Espinosa
Laura Marruecos
author_sort Lluís Espinosa
collection DOAJ
description IκBα is considered to play an almost exclusive role as inhibitor of the NF-κB signaling pathway. However, previous results have demonstrated that SUMOylation imposes a distinct subcellular distribution, regulation, NF-κB-binding affinity and function to the IκBα protein. In this review we discuss the main alterations of IκBα found in cancer and whether they are (most likely) associated with NF-κB-dependent or NF-κB-independent (moonlighting) activities of the protein.
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spelling doaj.art-69827e45c37147b49e2a4528960ac68f2023-11-22T12:09:42ZengMDPI AGBiomedicines2227-90592021-09-0199127810.3390/biomedicines9091278NF-κB-Dependent and -Independent (Moonlighting) IκBα Functions in Differentiation and CancerLluís Espinosa0Laura Marruecos1Cancer Research Program, Institut Mar d’Investigacions Mèdiques, CIBERONC, Hospital del Mar, Doctor Aiguader 88, 08003 Barcelona, SpainCancer Research Program, Institut Mar d’Investigacions Mèdiques, CIBERONC, Hospital del Mar, Doctor Aiguader 88, 08003 Barcelona, SpainIκBα is considered to play an almost exclusive role as inhibitor of the NF-κB signaling pathway. However, previous results have demonstrated that SUMOylation imposes a distinct subcellular distribution, regulation, NF-κB-binding affinity and function to the IκBα protein. In this review we discuss the main alterations of IκBα found in cancer and whether they are (most likely) associated with NF-κB-dependent or NF-κB-independent (moonlighting) activities of the protein.https://www.mdpi.com/2227-9059/9/9/1278IκBαSUMOylationNF-κBpolycomb repression complex (PRC) 2cancer
spellingShingle Lluís Espinosa
Laura Marruecos
NF-κB-Dependent and -Independent (Moonlighting) IκBα Functions in Differentiation and Cancer
Biomedicines
IκBα
SUMOylation
NF-κB
polycomb repression complex (PRC) 2
cancer
title NF-κB-Dependent and -Independent (Moonlighting) IκBα Functions in Differentiation and Cancer
title_full NF-κB-Dependent and -Independent (Moonlighting) IκBα Functions in Differentiation and Cancer
title_fullStr NF-κB-Dependent and -Independent (Moonlighting) IκBα Functions in Differentiation and Cancer
title_full_unstemmed NF-κB-Dependent and -Independent (Moonlighting) IκBα Functions in Differentiation and Cancer
title_short NF-κB-Dependent and -Independent (Moonlighting) IκBα Functions in Differentiation and Cancer
title_sort nf κb dependent and independent moonlighting iκbα functions in differentiation and cancer
topic IκBα
SUMOylation
NF-κB
polycomb repression complex (PRC) 2
cancer
url https://www.mdpi.com/2227-9059/9/9/1278
work_keys_str_mv AT lluisespinosa nfkbdependentandindependentmoonlightingikbafunctionsindifferentiationandcancer
AT lauramarruecos nfkbdependentandindependentmoonlightingikbafunctionsindifferentiationandcancer