Cited by 193Protein Degradation and InhibitorsUbiquitin and proteasome pathwaysChemical Synthesis and Analysis

PROTACs: A novel strategy for cancer therapy

Liu, Jing, Ma, Jia, Liu, Yi, Xia, Jun, Li, Yuyun, Wang, Z. Peter, Wei, Wenyi·2020·Seminars in Cancer Biology

Abstract

Chemotherapeutic strategy has been widely used for treating malignance by targeting irregular expressed or mutant proteins with small molecular inhibitors (SMIs) or monoclonal antibodies (mAbs). However, most intracellular proteins lack of active sites or antigens where SMIs or mAbs bind with, and are called as non-druggable targets for a long time. From the first year of this century, PROteolysis-TArgeting Chimeras (PROTACs) has emerged to be a promising approach for proteins, including those non-druggable ones, such as transcriptional factors and scaffold proteins. The first generation of peptide-based PROTACs adopts β-TrCP and VHL as E3 ligases, but the cellular permeability and chemical stability issues restrict their clinical application. The second generation of small molecule-based PROTACs adopts MDM2, VHL, IAPs and Cereblon as E3 ligases have been tensely studied. To date, the targets of PROTACs including those overexpressed oncogenic proteins such as ER, AR and BRDs, disease-relevant fusion proteins such as NPM/EML4-ALK and BCR-ABL, cancer-driven mutant proteins such as EGFR, kinases such as CDKs and RTKs. The major disadvantage of PROTACs is the noncancer specificity and relative higher toxicity, due to its catalytic role. To overcome this, we and other have recently developed several similar light-controllable PROTACs, termed as the third generation controllable PROTACs. The degradation of targets by those PROTACs can be triggered by UVA or visible light, providing a tool box for further PROTACs design. Here in this review, we introduce the historical milestones and prospective for further PROTACs development in clinical use.

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Crossref · 10.1016/j.semcancer.2020.02.006

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Authors
Liu, J., Ma, J., Liu, Y., Xia, J., Li, Y., Wang, Z. P., & Wei, W.
Affiliations
  • Beth Israel Deaconess Medical Center (US)
  • Bengbu Medical College (CN)
Corresponding author
  • Wang, Z. Peter
  • Wei, Wenyi
Venue
Seminars in Cancer Biology
Publisher
Elsevier BV
Published
2020-12
Volume
67
Issue
Pt 2
Pages
171-179
ISSN
1044-579X (ISSN-L)
OpenAlex
W3005962215
Cited by
186
References
120
Citations by year
2026: 19 · 2025: 32 · 2024: 39 · 2023: 25 · 2022: 35 · 2021: 19 · 2020: 17
FWCI
2.39
Type
journal article
Language
en
Open access
closed
Locations
  • Seminars in Cancer Biology (publishedVersion)
  • PubMed (publishedVersion)
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, E3 ubiquitin ligase, targeted protein degradation, MDM2, VHL, IAP, cereblon, cancer therapy, transcription factors, scaffold proteins, oncoprotein, BCR-ABL, EGFR, cyclin-dependent kinases, RTK
MeSH terms
Humans, Neoplasms, Photochemotherapy, Recombinant Proteins, Drug Resistance, Neoplasm, Ubiquitin-Protein Ligases, Von Hippel-Lindau Tumor Suppressor Protein, Small Molecule Libraries, Molecular Targeted Therapy, Proteolysis

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