Targeting Notch Trafficking and Processing in Cancers

The Notch family comprises a group of four ligand-dependent receptors that control evolutionarily conserved developmental and homeostatic processes and transmit signals to the microenvironment. NOTCH undergoes remodeling, maturation, and trafficking in a series of post-translational events, includin...

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Main Authors: Luca Pagliaro, Claudia Sorrentino, Giovanni Roti
Format: Article
Language:English
Published: MDPI AG 2020-09-01
Series:Cells
Subjects:
Online Access:https://www.mdpi.com/2073-4409/9/10/2212
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author Luca Pagliaro
Claudia Sorrentino
Giovanni Roti
author_facet Luca Pagliaro
Claudia Sorrentino
Giovanni Roti
author_sort Luca Pagliaro
collection DOAJ
description The Notch family comprises a group of four ligand-dependent receptors that control evolutionarily conserved developmental and homeostatic processes and transmit signals to the microenvironment. NOTCH undergoes remodeling, maturation, and trafficking in a series of post-translational events, including glycosylation, ubiquitination, and endocytosis. The regulatory modifications occurring in the endoplasmic reticulum/Golgi precede the intramembrane γ-secretase proteolysis and the transfer of active NOTCH to the nucleus. Hence, NOTCH proteins coexist in different subcellular compartments and undergo continuous relocation. Various factors, including ion concentration, enzymatic activity, and co-regulatory elements control Notch trafficking. Interfering with these regulatory mechanisms represents an innovative therapeutic way to bar oncogenic Notch signaling. In this review, we briefly summarize the role of Notch signaling in cancer and describe the protein modifications required for NOTCH to relocate across different subcellular compartments. We focus on the functional relationship between these modifications and the corresponding therapeutic options, and our findings could support the development of trafficking modulators as a potential alternative to the well-known γ-secretase inhibitors.
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spelling doaj.art-67a6d667646348edbac2d98e2df38a5a2023-11-20T15:33:53ZengMDPI AGCells2073-44092020-09-01910221210.3390/cells9102212Targeting Notch Trafficking and Processing in CancersLuca Pagliaro0Claudia Sorrentino1Giovanni Roti2Department of Medicine and Surgery, University of Parma, 43126 Parma, ItalyDepartment of Medicine and Surgery, University of Parma, 43126 Parma, ItalyDepartment of Medicine and Surgery, University of Parma, 43126 Parma, ItalyThe Notch family comprises a group of four ligand-dependent receptors that control evolutionarily conserved developmental and homeostatic processes and transmit signals to the microenvironment. NOTCH undergoes remodeling, maturation, and trafficking in a series of post-translational events, including glycosylation, ubiquitination, and endocytosis. The regulatory modifications occurring in the endoplasmic reticulum/Golgi precede the intramembrane γ-secretase proteolysis and the transfer of active NOTCH to the nucleus. Hence, NOTCH proteins coexist in different subcellular compartments and undergo continuous relocation. Various factors, including ion concentration, enzymatic activity, and co-regulatory elements control Notch trafficking. Interfering with these regulatory mechanisms represents an innovative therapeutic way to bar oncogenic Notch signaling. In this review, we briefly summarize the role of Notch signaling in cancer and describe the protein modifications required for NOTCH to relocate across different subcellular compartments. We focus on the functional relationship between these modifications and the corresponding therapeutic options, and our findings could support the development of trafficking modulators as a potential alternative to the well-known γ-secretase inhibitors.https://www.mdpi.com/2073-4409/9/10/2212NOTCH1SERCAT-cell acute lymphoblastic leukemiathapsigargintraffickingCAD204520
spellingShingle Luca Pagliaro
Claudia Sorrentino
Giovanni Roti
Targeting Notch Trafficking and Processing in Cancers
Cells
NOTCH1
SERCA
T-cell acute lymphoblastic leukemia
thapsigargin
trafficking
CAD204520
title Targeting Notch Trafficking and Processing in Cancers
title_full Targeting Notch Trafficking and Processing in Cancers
title_fullStr Targeting Notch Trafficking and Processing in Cancers
title_full_unstemmed Targeting Notch Trafficking and Processing in Cancers
title_short Targeting Notch Trafficking and Processing in Cancers
title_sort targeting notch trafficking and processing in cancers
topic NOTCH1
SERCA
T-cell acute lymphoblastic leukemia
thapsigargin
trafficking
CAD204520
url https://www.mdpi.com/2073-4409/9/10/2212
work_keys_str_mv AT lucapagliaro targetingnotchtraffickingandprocessingincancers
AT claudiasorrentino targetingnotchtraffickingandprocessingincancers
AT giovanniroti targetingnotchtraffickingandprocessingincancers