Cited by 239Protein Degradation and InhibitorsUbiquitin and proteasome pathwaysChemical Synthesis and Analysis

PROTACs: An Emerging Targeting Technique for Protein Degradation in Drug Discovery

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Gu, Shanshan, Cui, Danrui, Chen, Xiaoyu, Xiong, Xiufang, Zhao, Yongchao·2018·BioEssays

Abstract

Proteolysis‐targeting chimeric molecules (PROTACs) represent an emerging technique that is receiving much attention for therapeutic intervention. The mechanism is based on the inhibition of protein function by hijacking a ubiquitin E3 ligase for protein degradation. The hetero‐bifunctional PROTACs contain a ligand for recruiting an E3 ligase, a linker, and another ligand to bind with the protein targeted for degradation. Thus, PROTACs have profound potential to eliminate “undruggable” protein targets, such as transcription factors and non‐enzymatic proteins, which are not limited to physiological substrates of the ubiquitin‐proteasome system. These findings indicate great prospects for PROTACs in the development of therapeutics. However, there are several limitations related to poor stability, biodistribution, and penetrability in vivo. This review provides an overview of the main PROTAC‐based approaches that have been developed and discusses the promising opportunities and considerations for the application of this technology in therapies and drug discovery.

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Cited by

Sorted by citations

Authors
Gu, S., Cui, D., Chen, X., Xiong, X., & Zhao, Y.
Affiliations
First Affiliated Hospital Zhejiang University (CN)
Corresponding author
  • Xiong, Xiufang
  • Zhao, Yongchao
Venue
BioEssays
Publisher
Wiley
Published
2018-02-23
Volume
40
Issue
4
Pages
e1700247-e1700247
ISSN
  • 0265-9247 (ISSN-L)
  • 1521-1878
OpenAlex
W2792290561
Cited by
231
References
69
Citations by year
2026: 14 · 2025: 34 · 2024: 29 · 2023: 22 · 2022: 33 · 2021: 31 · 2020: 30 · 2019: 30 · 2018: 8
FWCI
2.45
Type
journal article
Language
en
Open access
Locations
  • BioEssays (publishedVersion, cc-by)
  • PubMed (publishedVersion)
Funders
  • Natural Science Foundation of Zhejiang Province (LR16C050001)
  • National Natural Science Foundation of China (31470753, 31501129, 81572708, 81672728)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Protein Degradation and Inhibitors
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Ubiquitin and proteasome pathways
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Chemical Synthesis and Analysis
Keywords
PROTACs, protein degradation, E3 ubiquitin ligase, heterobifunctional molecules, ubiquitin-proteasome system, drug discovery, linker design, tissue distribution, drug stability
MeSH terms
Animals, Humans, Proteins, Transcription Factors, Ubiquitin-Protein Ligases, Drug Discovery, Proteolysis

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