Targeting Hedgehog Signalling Through the Ubiquitylation Process: The Multiple Roles of the HECT-E3 Ligase Itch

Overview

Journal Cells

Publisher MDPI

Specialties Biochemistry
Biophysics
Cell Biology
Molecular Biology

Date 2019 Feb 1

PMID 30699938

Citations 12

Authors

Paola Infante

Ludovica Lospinoso Severini

Flavia Bernardi

Francesca Bufalieri

Lucia Di Marcotullio

Affiliations

Soon will be listed here.

Abstract

Hedgehog signalling (Hh) is a developmental conserved pathway strongly involved in cancers when deregulated. This important pathway is orchestrated by numerous regulators, transduces through distinct routes and is finely tuned at multiple levels. In this regard, ubiquitylation processes stand as essential for controlling Hh pathway output. Although this post-translational modification governs proteins turnover, it is also implicated in non-proteolytic events, thereby regulating the most important cellular functions. The HECT E3 ligase Itch, well known to control immune response, is emerging to have a pivotal role in tumorigenesis. By illustrating Itch specificities on Hh signalling key components, here we review the role of this HECT E3 ubiquitin ligase in suppressing Hh-dependent tumours and explore its potential as promising target for innovative therapeutic approaches.

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