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Wang L, Yang Z, Li G, Liu Y, Ai C, Rao Y. Discovery of small molecule degraders for modulating cell cycle. Front Med 2023; 17:823-854. [PMID: 37935945 DOI: 10.1007/s11684-023-1027-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2023] [Accepted: 08/16/2023] [Indexed: 11/09/2023]
Abstract
The cell cycle is a complex process that involves DNA replication, protein expression, and cell division. Dysregulation of the cell cycle is associated with various diseases. Cyclin-dependent kinases (CDKs) and their corresponding cyclins are major proteins that regulate the cell cycle. In contrast to inhibition, a new approach called proteolysis-targeting chimeras (PROTACs) and molecular glues can eliminate both enzymatic and scaffold functions of CDKs and cyclins, achieving targeted degradation. The field of PROTACs and molecular glues has developed rapidly in recent years. In this article, we aim to summarize the latest developments of CDKs and cyclin protein degraders. The selectivity, application, validation and the current state of each CDK degrader will be overviewed. Additionally, possible methods are discussed for the development of degraders for CDK members that still lack them. Overall, this article provides a comprehensive summary of the latest advancements in CDK and cyclin protein degraders, which will be helpful for researchers working on this topic.
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Affiliation(s)
- Liguo Wang
- MOE Key Laboratory of Protein Sciences, School of Pharmaceutical Sciences, MOE Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology, Tsinghua University, Beijing, 100084, China
| | - Zhouli Yang
- MOE Key Laboratory of Protein Sciences, School of Pharmaceutical Sciences, MOE Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology, Tsinghua University, Beijing, 100084, China
| | - Guangchen Li
- MOE Key Laboratory of Protein Sciences, School of Pharmaceutical Sciences, MOE Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology, Tsinghua University, Beijing, 100084, China
| | - Yongbo Liu
- MOE Key Laboratory of Protein Sciences, School of Pharmaceutical Sciences, MOE Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology, Tsinghua University, Beijing, 100084, China
| | - Chao Ai
- Beijing Tsinghua Changgung Hospital, School of Clinical Medicine, Tsinghua University, Beijing, 102218, China.
| | - Yu Rao
- MOE Key Laboratory of Protein Sciences, School of Pharmaceutical Sciences, MOE Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology, Tsinghua University, Beijing, 100084, China.
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Wu D, Zhang Z, Chen X, Yan Y, Liu X. Angel or Devil ? - CDK8 as the new drug target. Eur J Med Chem 2020; 213:113043. [PMID: 33257171 DOI: 10.1016/j.ejmech.2020.113043] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2020] [Revised: 11/16/2020] [Accepted: 11/17/2020] [Indexed: 12/19/2022]
Abstract
Cyclin-dependent kinase 8 (CDK8) plays an momentous role in transcription regulation by forming kinase module or transcription factor phosphorylation. A large number of evidences have identified CDK8 as an important factor in cancer occurrence and development. In addition, CDK8 also participates in the regulation of cancer cell stress response to radiotherapy and chemotherapy, assists tumor cell invasion, metastasis, and drug resistance. Therefore, CDK8 is regarded as a promising target for cancer therapy. Most studies in recent years supported the role of CDK8 as a carcinogen, however, under certain conditions, CDK8 exists as a tumor suppressor. The functional diversity of CDK8 and its exceptional role in different types of cancer have aroused great interest from scientists but even more controversy during the discovery of CDK8 inhibitors. In addition, CDK8 appears to be an effective target for inflammation diseases and immune system disorders. Therefore, we summarized the research results of CDK8, involving physiological/pathogenic mechanisms and the development status of compounds targeting CDK8, provide a reference for the feasibility evaluation of CDK8 as a therapeutic target, and guidance for researchers who are involved in this field for the first time.
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Affiliation(s)
- Dan Wu
- School of Biological Engineering, Hefei Technology College, Hefei, 238000, PR China
| | - Zhaoyan Zhang
- School of Pharmacy, Anhui Province Key Laboratory of Major Autoimmune Diseases, Anhui Institute of Innovative Drugs, Anhui Medical University, Hefei, 230032, PR China
| | - Xing Chen
- School of Pharmacy, Anhui Province Key Laboratory of Major Autoimmune Diseases, Anhui Institute of Innovative Drugs, Anhui Medical University, Hefei, 230032, PR China
| | - Yaoyao Yan
- School of Pharmacy, Anhui Province Key Laboratory of Major Autoimmune Diseases, Anhui Institute of Innovative Drugs, Anhui Medical University, Hefei, 230032, PR China
| | - Xinhua Liu
- School of Pharmacy, Anhui Province Key Laboratory of Major Autoimmune Diseases, Anhui Institute of Innovative Drugs, Anhui Medical University, Hefei, 230032, PR China.
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Lv X, Tian Y, Li S, Cheng K, Huang X, Kong H, Liao C, Xie Z. Discovery and Development of Cyclin-Dependent Kinase 8 Inhibitors. Curr Med Chem 2020; 27:5429-5443. [DOI: 10.2174/0929867326666190402110528] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2018] [Revised: 02/20/2019] [Accepted: 03/20/2019] [Indexed: 12/13/2022]
Abstract
Cyclin-dependent Kinase 8 (CDK8), a member of the CDKs family, has been widely
focused owing to investigations of its critical roles in transcription and oncogenesis in recent years.
Selective inhibition of CDK8 and its paralog CDK19 offers a novel therapeutic strategy for the
treatment of some cancers. Up to now, though many small molecules against CDK8 have been discovered,
most of them are discontinued in the preclinical trials due to the low selectivity and poor
physicochemical properties. This review mainly summarizes the design strategies of selective CDK8
inhibitors having different chemical scaffolds with the aim to improve the inhibitory activity, selectivity,
metabolic stability and solubility. Their corresponding Structure-activity Relationships (SAR)
are also reviewed. On the basis of the discussion in this review, we hope more effective, selective
and drug-like CDK8 inhibitors will be developed and demonstrate therapeutic values in the near
future.
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Affiliation(s)
- Xiao Lv
- School of Food and Biological Engineering, Hefei University of Technology, Hefei, Anhui 230009, China
| | - Yongbing Tian
- School of Food and Biological Engineering, Hefei University of Technology, Hefei, Anhui 230009, China
| | - Shiyu Li
- School of Food and Biological Engineering, Hefei University of Technology, Hefei, Anhui 230009, China
| | - Kai Cheng
- School of Food and Biological Engineering, Hefei University of Technology, Hefei, Anhui 230009, China
| | - Xufeng Huang
- School of Food and Biological Engineering, Hefei University of Technology, Hefei, Anhui 230009, China
| | - Haiyan Kong
- School of Food and Biological Engineering, Hefei University of Technology, Hefei, Anhui 230009, China
| | - Chenzhong Liao
- School of Food and Biological Engineering, Hefei University of Technology, Hefei, Anhui 230009, China
| | - Zhouling Xie
- School of Food and Biological Engineering, Hefei University of Technology, Hefei, Anhui 230009, China
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Abstract
The fact that many cancer types display transcriptional addiction driven by dysregulation of oncogenic enhancers and transcription factors has led to increased interest in a group of protein kinases, known as transcriptional cyclin dependent kinases (tCDKs), as potential therapeutic targets. Despite early reservations about targeting a process that is essential to healthy cell types, there is now evidence that targeting tCDKs could provide enough therapeutic window to be effective in the clinic. Here, we discuss recent developments in this field, with an emphasis on highly-selective inhibitors and the challenges to be addressed before these inhibitors could be used for therapeutic purposes. Abbreviations: CAK: CDK-activating kinase;CDK: cyclin-dependent kinase;CMGC group: CDK-, MAPK-, GSK3-, and CLK-like;CTD: C-terminal repeat domain of the RPB1 subunit of RNA polymerase II;DRB: 5,6-dichloro-1-β-D-ribofuranosylbenzimidazole;mCRPC: metastatic castration-resistant prostate cancer;NSCLC: non-small cell lung cancer;P-TEFb: positive elongation factor b;RNAPII: RNA polymerase II;S2: serine-2 of CTD repeats;S5: serine-5 of CTD repeats;S7: serine-7 of CTD repeats;SEC: super elongation complex;tCDK: transcriptional cyclin-dependent kinase;TNBC: triple-negative breast cancer
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Affiliation(s)
- Matthew D Galbraith
- a Linda Crnic Institute for Down Syndrome, School of Medicine , University of Colorado Anschutz Medical Campus , Aurora , CO , USA.,b Department of Pharmacology, School of Medicine , University of Colorado Anschutz Medical Campus , Aurora , CO , USA
| | - Heather Bender
- a Linda Crnic Institute for Down Syndrome, School of Medicine , University of Colorado Anschutz Medical Campus , Aurora , CO , USA.,b Department of Pharmacology, School of Medicine , University of Colorado Anschutz Medical Campus , Aurora , CO , USA
| | - Joaquín M Espinosa
- a Linda Crnic Institute for Down Syndrome, School of Medicine , University of Colorado Anschutz Medical Campus , Aurora , CO , USA.,b Department of Pharmacology, School of Medicine , University of Colorado Anschutz Medical Campus , Aurora , CO , USA.,c Department of Molecular, Cellular and Developmental Biology , University of Colorado Boulder , Boulder , CO , USA
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