DUBs Activating the Hedgehog Signaling Pathway: A Promising Therapeutic Target in Cancer

Cancers
Francesca BufalieriLucia Di Marcotullio

Abstract

The Hedgehog (HH) pathway governs cell proliferation and patterning during embryonic development and is involved in regeneration, homeostasis and stem cell maintenance in adult tissues. The activity of this signaling is finely modulated at multiple levels and its dysregulation contributes to the onset of several human cancers. Ubiquitylation is a coordinated post-translational modification that controls a wide range of cellular functions and signaling transduction pathways. It is mediated by a sequential enzymatic network, in which ubiquitin ligases (E3) and deubiquitylase (DUBs) proteins are the main actors. The dynamic balance of the activity of these enzymes dictates the abundance and the fate of cellular proteins, thus affecting both physiological and pathological processes. Several E3 ligases regulating the stability and activity of the key components of the HH pathway have been identified. Further, DUBs have emerged as novel players in HH signaling transduction, resulting as attractive and promising drug targets. Here, we review the HH-associated DUBs, discussing the consequences of deubiquitylation on the maintenance of the HH pathway activity and its implication in tumorigenesis. We also report the recent progress in th...Continue Reading

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Citations

Jul 26, 2021·International Immunopharmacology·Rana M AlsaffarMuneeb U Rehman

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Methods Mentioned

BETA
sumoylation
nuclear translocation
xenograft

Clinical Trials Mentioned

NCT02372240

Software Mentioned

Ub

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