Cited by 120Protein Degradation and InhibitorsCell death mechanisms and regulationUbiquitin and proteasome pathways

Proteolysis Targeting Chimeras for the Selective Degradation of Mcl-1/Bcl-2 Derived from Nonselective Target Binding Ligands

Wang, Ziqian, He, Nianzhe, Guo, Zongwei, Niu, Cuili, Song, Ting, Guo, Yafei, Cao, Keke, Wang, Anhui +3 more·2019·Journal of Medicinal Chemistry

Abstract

Proteolysis targeting chimera (PROTAC) recruits an E3 ligase to a target protein to induce its ubiquitination and subsequent degradation. We reported success in the development of two PROTACs ( C3 and C5 ) that potently and selectively induce the degradation of Mcl-1 and Bcl-2 (DC 50 = 0.7 and 3.0 μM), respectively, by introducing the E3 ligase cereblon-binding ligand pomalidomide to Mcl-1/Bcl-2 dual inhibitors S1-6 and Nap-1 with micromolar-range affinity. C3 -induced Mcl-1 ubiquitination translated into much more lethality in Mcl-1-dependent H23 cells than the most potent Mcl-1 occupancy-based inhibitor A-1210477 with nanomolar-range affinity. Moreover, structure–activity relationship analysis and molecular dynamic simulations discovered the structural basis for turning nonselective or promiscuous Bcl-2 family ligands into selective PROTACs. C3 and C5 exhibited reversible depletion in living cells, which provides a new potent toolkit for gain-of-function studies to probe the dynamic roles of Bcl-2 and Mcl-1 in apoptosis networks.

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Crossref · 10.1021/acs.jmedchem.9b00919

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Authors
Wang, Z., He, N., Guo, Z., Niu, C., Song, T., Guo, Y., Cao, K., Wang, A., Zhu, J., Zhang, X., & Zhang, Z.
Affiliations
Dalian University of Technology (CN)
Corresponding author
Zhang, Zhichao
Venue
Journal of Medicinal Chemistry
Published
2019-08-07
Volume
62
Issue
17
Pages
8152-8163
ISSN
  • 0022-2623 (ISSN-L)
  • 1520-4804
OpenAlex
W2964430254
Cited by
120
References
44
Citations by year
2026: 13 · 2025: 16 · 2024: 13 · 2023: 11 · 2022: 18 · 2021: 20 · 2020: 25 · 2019: 4
FWCI
5.79
Type
journal article
Language
en
Open access
closed
Locations
  • Journal of Medicinal Chemistry (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • China Postdoctoral Science Foundation (2018M641694)
  • National Natural Science Foundation of China (81430083, 21502015, 81570129)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Protein Degradation and Inhibitors
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Cell death mechanisms and regulation
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Ubiquitin and proteasome pathways
Keywords
PROTACs, Mcl-1 degradation, Bcl-2 family proteins, pomalidomide, E3 ubiquitin ligase, ubiquitination, selective protein degradation, structure-activity relationship, molecular dynamics simulation, apoptosis, H23 cells
MeSH terms
Binding Sites, Dose-Response Relationship, Drug, HeLa Cells, Humans, Ligands, Models, Molecular, Structure-Activity Relationship, Thalidomide, Tumor Cells, Cultured, Molecular Structure, Proto-Oncogene Proteins c-bcl-2, Proteolysis, Myeloid Cell Leukemia Sequence 1 Protein

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