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Singh V, Afshan T, Tyagi P, Varadwaj PK, Sahoo AK. Recent development of multi-targeted inhibitors of human topoisomerase II enzyme as potent cancer therapeutics. Int J Biol Macromol 2023; 226:473-84. [PMID: 36495993 DOI: 10.1016/j.ijbiomac.2022.12.013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2022] [Revised: 11/18/2022] [Accepted: 12/02/2022] [Indexed: 12/12/2022]
Abstract
Multi-target therapies have been considered one of the viable options to overcome the challenges to eradicate intrinsic and acquired drug-resistant cancer cells. While to increase the efficacy of therapeutics, the use of a single drug against multiple structurally similar sites, which noncommittedly modulate several vital cellular pathways proposed as a potential alternative to a 'single drug single target'. Besides, it reduces the usage of a number of drugs and their side effects. Topoisomerase II enzyme plays a very significant role in DNA replication and thus served as an important target for numerous anti-cancer agents. However, in spite of promising clinical results, in several cases, it was found that cancer cells have developed resistance against the anti-cancer agents targeting this enzyme. Therefore, multi-target therapies have been proposed as an alternative to overcome different drug resistance mechanisms while topoisomerases II are a primary target site. In this review, we have tried to discuss the characteristics of the binding cavity available for interactions of drugs, and potent inhibitors concurrently modulate the functions of topoisomerases II as well as other structurally related target sites. Additionally, the mechanism of drug resistance by considering molecular and cellular insights by including various types of cancers.
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Si R, Liu N, Wang J, Zhang Q, Li Y, Pan X, Zhang J. Discovery of selective platelet-derived growth factor receptor-beta (PDGFR-β) bifunctional small-molecule degraders. Bioorg Med Chem 2023; 77:117115. [PMID: 36508995 DOI: 10.1016/j.bmc.2022.117115] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2022] [Revised: 11/30/2022] [Accepted: 12/01/2022] [Indexed: 12/12/2022]
Abstract
Proteolysis-targeting chimeras (PROTACs) is a promising strategy for treatment of various diseases by degrading of disease-related proteins in recent years. Up to now, most PROTAC molecules are mainly aimed at the degradation of intracellular proteins, but many disease-related proteins are membrane or extracellular proteins. The targeted degradation of membrane proteins would be an attractive and general strategy for discovery of novel PROTACs. Herein, we report the development of multi-targeted kinase inhibitor sorafenib-based PROTACs, they can selectively degrade platelet-derived growth factor receptor beta (PDGFR-β). We provide a method that can be used to degrade cell membrane proteins. To our knowledge, this study also is the first report of PROTAC induced PDGFR-β degradation in cancer cells.
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Affiliation(s)
- Ru Si
- School of Pharmacy, Health Science Center, Xi'an Jiaotong University, Xi'an, 710061, China
| | - Nanxin Liu
- School of Pharmacy, Health Science Center, Xi'an Jiaotong University, Xi'an, 710061, China
| | - Jin Wang
- School of Pharmacy, Health Science Center, Xi'an Jiaotong University, Xi'an, 710061, China
| | - Qingqing Zhang
- School of Pharmacy, Health Science Center, Xi'an Jiaotong University, Xi'an, 710061, China
| | - Yanchen Li
- School of Pharmacy, Health Science Center, Xi'an Jiaotong University, Xi'an, 710061, China
| | - Xiaoyan Pan
- School of Pharmacy, Health Science Center, Xi'an Jiaotong University, Xi'an, 710061, China
| | - Jie Zhang
- School of Pharmacy, Health Science Center, Xi'an Jiaotong University, Xi'an, 710061, China.
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Zheng YG, Wang JA, Meng L, Pei X, Zhang L, An L, Li CL, Miao YL. Design, synthesis, biological activity evaluation of 3-(4-phenyl-1H-imidazol-2-yl)-1H-pyrazole derivatives as potent JAK 2/3 and aurora A/B kinases multi-targeted inhibitors. Eur J Med Chem 2020; 209:112934. [PMID: 33109396 DOI: 10.1016/j.ejmech.2020.112934] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2020] [Revised: 10/06/2020] [Accepted: 10/09/2020] [Indexed: 11/15/2022]
Abstract
In this study, a series of 3-(4-phenyl-1H-imidazol-2-yl)-1H-pyrazole derivatives were designed, synthesized, and evaluated for their biological activities. Upon performing kinase assays, most of the compounds exhibited potent inhibition against JAK2/3 and Aurora A/B with the IC50 values ranging from 0.008 to 2.52 μM. Among these derivatives, compound 10e expressed the most moderate inhibiting activities against all the four kinases with the IC50 values of 0.166 μM (JAK2), 0.057 μM (JAK3), 0.939 μM (Aurora A), and 0.583 μM (Aurora B), respectively. Moreover, most of the derived compounds exhibited potent cytotoxicity against human chronic myeloid leukemia cells K562 and human colon cancer cells HCT116, while compound 10e expressed antiproliferative activities against K562 (IC50=6.726 μM). According to western blot analysis, compound 10e down-regulated the phosphorylation of STAT3, STAT5, Aurora A, and Aurora B in a dose-dependent manner in K562 and HCT116 cells. Cell cycle analysis revealed that compound 10e inhibited the proliferation of cells by inducing cell cycle arrest in the G2 phase. The molecular modeling suggested that compound 10e could maintain a binding mode similar to the binding mode of AT9832, a common JAK 2/3 and Aurora A/B kinases multi-target kinase inhibitor. Therefore, compound 10e might be a potential agent for cancer therapy deserving further research.
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Affiliation(s)
- You-Guang Zheng
- College of Pharmacy, Xuzhou Medical University, Xuzhou, 221004, PR China; Jiangsu Key Laboratory of New Drug Research and Clinical Pharmacy, Xuzhou Medical University, Xuzhou, 221004, PR China.
| | - Jin-An Wang
- Center for Computational Biology and Department of Molecular Biosciences, University of Kansas, Lawrence, KS, 66047, USA
| | - Long Meng
- College of Pharmacy, Xuzhou Medical University, Xuzhou, 221004, PR China; Jiangsu Key Laboratory of New Drug Research and Clinical Pharmacy, Xuzhou Medical University, Xuzhou, 221004, PR China
| | - Xin Pei
- College of Pharmacy, Xuzhou Medical University, Xuzhou, 221004, PR China; Jiangsu Key Laboratory of New Drug Research and Clinical Pharmacy, Xuzhou Medical University, Xuzhou, 221004, PR China
| | - Ling Zhang
- College of Pharmacy, Xuzhou Medical University, Xuzhou, 221004, PR China; Jiangsu Key Laboratory of New Drug Research and Clinical Pharmacy, Xuzhou Medical University, Xuzhou, 221004, PR China
| | - Lin An
- College of Pharmacy, Xuzhou Medical University, Xuzhou, 221004, PR China; Jiangsu Key Laboratory of New Drug Research and Clinical Pharmacy, Xuzhou Medical University, Xuzhou, 221004, PR China
| | - Cheng-Lin Li
- College of Pharmacy, Xuzhou Medical University, Xuzhou, 221004, PR China; Jiangsu Key Laboratory of New Drug Research and Clinical Pharmacy, Xuzhou Medical University, Xuzhou, 221004, PR China
| | - Ying-Long Miao
- Center for Computational Biology and Department of Molecular Biosciences, University of Kansas, Lawrence, KS, 66047, USA
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