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Lee J, Lee Y, Jung YM, Park JH, Yoo HS, Park J. Discovery of E3 Ligase Ligands for Target Protein Degradation. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27196515. [PMID: 36235052 PMCID: PMC9573645 DOI: 10.3390/molecules27196515] [Citation(s) in RCA: 27] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/31/2022] [Revised: 09/22/2022] [Accepted: 09/30/2022] [Indexed: 12/02/2022]
Abstract
Target protein degradation has emerged as a promising strategy for the discovery of novel therapeutics during the last decade. Proteolysis-targeting chimera (PROTAC) harnesses a cellular ubiquitin-dependent proteolysis system for the efficient degradation of a protein of interest. PROTAC consists of a target protein ligand and an E3 ligase ligand so that it enables the target protein degradation owing to the induced proximity with ubiquitin ligases. Although a great number of PROTACs has been developed so far using previously reported ligands of proteins for their degradation, E3 ligase ligands have been mostly limited to either CRBN or VHL ligands. Those PROTACs showed their limitation due to the cell type specific expression of E3 ligases and recently reported resistance toward PROTACs with CRBN ligands or VHL ligands. To overcome these hurdles, the discovery of various E3 ligase ligands has been spotlighted to improve the current PROTAC technology. This review focuses on currently reported E3 ligase ligands and their application in the development of PROTACs.
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Affiliation(s)
- Jaeseok Lee
- Department of Chemistry, Kangwon National University, Chuncheon 24341, Korea
| | - Youngjun Lee
- Department of Chemistry and Biochemistry, University of California, San Diego, CA 92093, USA
| | - Young Mee Jung
- Department of Chemistry, Kangwon National University, Chuncheon 24341, Korea
- Kangwon Radiation Convergence Research Support Center, Kangwon National University, Chuncheon 24341, Korea
- Kangwon Institute of Inclusive Technology, Kangwon National University, Chuncheon 24341, Korea
| | - Ju Hyun Park
- Kangwon Institute of Inclusive Technology, Kangwon National University, Chuncheon 24341, Korea
- Department of Biomedical Science, Kangwon National University, Chuncheon 24341, Korea
| | - Hyuk Sang Yoo
- Kangwon Radiation Convergence Research Support Center, Kangwon National University, Chuncheon 24341, Korea
- Kangwon Institute of Inclusive Technology, Kangwon National University, Chuncheon 24341, Korea
- Department of Biomedical Science, Kangwon National University, Chuncheon 24341, Korea
| | - Jongmin Park
- Department of Chemistry, Kangwon National University, Chuncheon 24341, Korea
- Kangwon Institute of Inclusive Technology, Kangwon National University, Chuncheon 24341, Korea
- Correspondence: ; Tel.: +82-33-250-8482
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