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Revolving around the ubiquitin‒proteasome system: USP2-targeted degrader

Project description

Molecular tools for studying enzymes as drug targets

Cells have evolved a sophisticated mechanism for targeting damaged or improperly folded proteins for degradation: they modify them by adding specific ubiquitin residues. As with most post-translational modifications, ubiquitylation is reversible, and deubiquitylating (DUB) enzymes can cleave ubiquitin from proteins. DUB peptidases have a key role in many pathologies and are thus attractive drug targets. The EU-funded USP2-TD project focuses on the development of a small molecular probe against ubiquitin specific peptidase 2 (USP2) as a tool to further investigate its role in health and disease. Given the implication of USP2 in cell cycle progression and carcinogenesis, project results may open new possibilities in cancer research and treatment.

Objective

Targeting DUB enzymes has recently emerged as a promising opportunity for drug discovery that might lead to more selective, less toxic drug profiles. Target validation of these enzymes is currently a priority in the field, as we are lacking of appropriate chemical probes for most of them. A clear example is USP2, whose chemical inhibition has been barely explored, leading to a poor-quality chemical probe that has been extensively used by biologist during the last decade. Hence, this multidisciplinary project emerges to address the identified unmet need of providing the scientific community with an appropriate chemical probe for a confident interrogation and further understanding of USP2 biology and disease. This probe will be useful for a suitable validation of this promising target and can eventually feed drug discovery projects for USP2-related cancer treatments.
Herein, we aim to develop a, USP2-Targeted Degrader (USP2-TD) that overcomes the lack of selectivity and potency of its parent counterpart. This small-molecule USP2-TD will enable investigations of selective USP2 downregulation with exquisite quantitative and temporal control of protein levels. To this end, the proposed research deal with the identification of solvent-exposed region at the parent, the discovery of the USP2-TD, and its validation as chemical probe for USP2.

Fields of science (EuroSciVoc)

Keywords

Programme(s)

Topic(s)

Funding Scheme

MSCA-IF - Marie Skłodowska-Curie Individual Fellowships (IF)

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Call for proposal

(opens in new window) H2020-MSCA-IF-2020

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Coordinator

THE CHANCELLOR MASTERS AND SCHOLARS OF THE UNIVERSITY OF CAMBRIDGE
Net EU contribution
€ 212 933,76
Address
TRINITY LANE THE OLD SCHOOLS
CB2 1TN CAMBRIDGE
United Kingdom
Region
East of England East Anglia Cambridgeshire CC
Activity type
Higher or Secondary Education Establishments
Links
Total cost
€ 212 933,76