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He H, Li F, Tang R, Wu N, Zhou Y, Cao Y, Wang C, Wan L, Zhou Y, Zhuang H, Li P. Ultrasound Controllable Release of Proteolysis Targeting Chimeras for Triple-Negative Breast Cancer Treatment. Biomater Res 2024; 28:0064. [PMID: 39140036 PMCID: PMC11319668 DOI: 10.34133/bmr.0064] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2024] [Accepted: 07/02/2024] [Indexed: 08/15/2024] Open
Abstract
Triple-negative breast cancer (TNBC) is a special subtype of breast cancer, which is highly aggressive and incurable. Here, we proposed an ultrasound activatable bromodomain-containing protein 4 (BRD4) proteolysis targeting chimera (PROTAC) release strategy for the first time for precisely controlled protein degradation in preclinical TNBC model. Through combination of PROTAC and ultrasound-targeted microbubble destruction (UTMD) technology, the present strategy also aims to concurrently solve the major limitations of poor loading capacity of microbubbles and undesirable targeting and membrane permeability of PROTAC. PROTAC (ARV-825)-encapsulated microbubbles, ARV-MBs, were developed for the efficacious treatment of TNBC in vitro and in vivo. The microbubbles we synthesized showed ultrasound-responsive drug release ability, which could effectively promote the penetration of PROTAC into tumor site and tumor cell. Under ultrasound, ARV-MBs could play an effective antitumor effect by potentiating the ubiquitination and degradation of BRD4 in tumor. The current study may provide a new idea for promoting clinical translation of drug-loaded microbubbles and PROTAC, and offer a new efficacious therapeutic modality for TNBC.
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Affiliation(s)
- Hongye He
- Institute of Ultrasound Imaging & Department of Ultrasound, The Second Affiliated Hospital of Chongqing Medical University, Chongqing Key Laboratory of Ultrasound Molecular Imaging, Chongqing 400010, China
| | - Feng Li
- Department of Hepatobiliary and Pancreatic Surgery, The
First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China
| | - Rui Tang
- Institute of Ultrasound Imaging & Department of Ultrasound, The Second Affiliated Hospital of Chongqing Medical University, Chongqing Key Laboratory of Ultrasound Molecular Imaging, Chongqing 400010, China
| | - Nianhong Wu
- Institute of Ultrasound Imaging & Department of Ultrasound, The Second Affiliated Hospital of Chongqing Medical University, Chongqing Key Laboratory of Ultrasound Molecular Imaging, Chongqing 400010, China
| | - Ying Zhou
- Department of Geriatrics, The
Second Affiliated Hospital of Chongqing Medical University, Chongqing 400010, China
| | - Yuting Cao
- Institute of Ultrasound Imaging & Department of Ultrasound, The Second Affiliated Hospital of Chongqing Medical University, Chongqing Key Laboratory of Ultrasound Molecular Imaging, Chongqing 400010, China
| | - Can Wang
- Department of Ultrasound, The Third People’s Hospital of Chengdu City, The Affiliated Hospital of Southwest Jiaotong University, Chengdu 610014, China
| | - Li Wan
- Institute of Ultrasound Imaging & Department of Ultrasound, The Second Affiliated Hospital of Chongqing Medical University, Chongqing Key Laboratory of Ultrasound Molecular Imaging, Chongqing 400010, China
| | - Yang Zhou
- Department of Medical Ultrasound,
West China Hospital of Sichuan University, Chengdu 610041, China
| | - Hua Zhuang
- Department of Ultrasound, The Ninth People’s Hospital of Chongqing, Chongqing 400700, China
| | - Pan Li
- Institute of Ultrasound Imaging & Department of Ultrasound, The Second Affiliated Hospital of Chongqing Medical University, Chongqing Key Laboratory of Ultrasound Molecular Imaging, Chongqing 400010, China
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2
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Vicente ATS, Salvador JAR. PROteolysis-Targeting Chimeras (PROTACs) in leukemia: overview and future perspectives. MedComm (Beijing) 2024; 5:e575. [PMID: 38845697 PMCID: PMC11154823 DOI: 10.1002/mco2.575] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2024] [Revised: 04/23/2024] [Accepted: 04/25/2024] [Indexed: 06/09/2024] Open
Abstract
Leukemia is a heterogeneous group of life-threatening malignant disorders of the hematopoietic system. Immunotherapy, radiotherapy, stem cell transplantation, targeted therapy, and chemotherapy are among the approved leukemia treatments. Unfortunately, therapeutic resistance, side effects, relapses, and long-term sequelae occur in a significant proportion of patients and severely compromise the treatment efficacy. The development of novel approaches to improve outcomes is therefore an unmet need. Recently, novel leukemia drug discovery strategies, including targeted protein degradation, have shown potential to advance the field of personalized medicine for leukemia patients. Specifically, PROteolysis-TArgeting Chimeras (PROTACs) are revolutionary compounds that allow the selective degradation of a protein by the ubiquitin-proteasome system. Developed against a wide range of cancer targets, they show promising potential in overcoming many of the drawbacks associated with conventional therapies. Following the exponential growth of antileukemic PROTACs, this article reviews PROTAC-mediated degradation of leukemia-associated targets. Chemical structures, in vitro and in vivo activities, pharmacokinetics, pharmacodynamics, and clinical trials of PROTACs are critically discussed. Furthermore, advantages, challenges, and future perspectives of PROTACs in leukemia are covered, in order to understand the potential that these novel compounds may have as future drugs for leukemia treatment.
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Affiliation(s)
- André T. S. Vicente
- Laboratory of Pharmaceutical ChemistryFaculty of PharmacyUniversity of CoimbraCoimbraPortugal
- Center for Neuroscience and Cell BiologyUniversity of CoimbraCoimbraPortugal
- Center for Innovative Biomedicine and Biotechnology (CIBB)University of CoimbraCoimbraPortugal
| | - Jorge A. R. Salvador
- Laboratory of Pharmaceutical ChemistryFaculty of PharmacyUniversity of CoimbraCoimbraPortugal
- Center for Neuroscience and Cell BiologyUniversity of CoimbraCoimbraPortugal
- Center for Innovative Biomedicine and Biotechnology (CIBB)University of CoimbraCoimbraPortugal
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3
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Wang C, Zhang Y, Chen W, Wu Y, Xing D. New-generation advanced PROTACs as potential therapeutic agents in cancer therapy. Mol Cancer 2024; 23:110. [PMID: 38773495 PMCID: PMC11107062 DOI: 10.1186/s12943-024-02024-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2024] [Accepted: 05/10/2024] [Indexed: 05/23/2024] Open
Abstract
Proteolysis-targeting chimeras (PROTACs) technology has garnered significant attention over the last 10 years, representing a burgeoning therapeutic approach with the potential to address pathogenic proteins that have historically posed challenges for traditional small-molecule inhibitors. PROTACs exploit the endogenous E3 ubiquitin ligases to facilitate degradation of the proteins of interest (POIs) through the ubiquitin-proteasome system (UPS) in a cyclic catalytic manner. Despite recent endeavors to advance the utilization of PROTACs in clinical settings, the majority of PROTACs fail to progress beyond the preclinical phase of drug development. There are multiple factors impeding the market entry of PROTACs, with the insufficiently precise degradation of favorable POIs standing out as one of the most formidable obstacles. Recently, there has been exploration of new-generation advanced PROTACs, including small-molecule PROTAC prodrugs, biomacromolecule-PROTAC conjugates, and nano-PROTACs, to improve the in vivo efficacy of PROTACs. These improved PROTACs possess the capability to mitigate undesirable physicochemical characteristics inherent in traditional PROTACs, thereby enhancing their targetability and reducing off-target side effects. The new-generation of advanced PROTACs will mark a pivotal turning point in the realm of targeted protein degradation. In this comprehensive review, we have meticulously summarized the state-of-the-art advancements achieved by these cutting-edge PROTACs, elucidated their underlying design principles, deliberated upon the prevailing challenges encountered, and provided an insightful outlook on future prospects within this burgeoning field.
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Affiliation(s)
- Chao Wang
- Cancer Institute, The Affiliated Hospital of Qingdao University, Qingdao University, Qingdao, 266071, Shandong, China
| | - Yujing Zhang
- The Affiliated Cardiovascular Hospital of Qingdao University, Qingdao University, Qingdao, 266071, Shandong, China.
| | - Wujun Chen
- Cancer Institute, The Affiliated Hospital of Qingdao University, Qingdao University, Qingdao, 266071, Shandong, China
| | - Yudong Wu
- Cancer Institute, The Affiliated Hospital of Qingdao University, Qingdao University, Qingdao, 266071, Shandong, China.
| | - Dongming Xing
- Cancer Institute, The Affiliated Hospital of Qingdao University, Qingdao University, Qingdao, 266071, Shandong, China.
- School of Life Sciences, Tsinghua University, Beijing, 100084, China.
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4
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Dai XJ, Ji SK, Fu MJ, Liu GZ, Liu HM, Wang SP, Shen L, Wang N, Herdewijn P, Zheng YC, Wang SQ, Chen XB. Degraders in epigenetic therapy: PROTACs and beyond. Theranostics 2024; 14:1464-1499. [PMID: 38389844 PMCID: PMC10879860 DOI: 10.7150/thno.92526] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2023] [Accepted: 01/21/2024] [Indexed: 02/24/2024] Open
Abstract
Epigenetics refers to the reversible process through which changes in gene expression occur without changing the nucleotide sequence of DNA. The process is currently gaining prominence as a pivotal objective in the treatment of cancers and other ailments. Numerous drugs that target epigenetic mechanisms have obtained approval from the Food and Drug Administration (FDA) for the therapeutic intervention of diverse diseases; many have drawbacks, such as limited applicability, toxicity, and resistance. Since the discovery of the first proteolysis-targeting chimeras (PROTACs) in 2001, studies on targeted protein degradation (TPD)-encompassing PROTACs, molecular glue (MG), hydrophobic tagging (HyT), degradation TAG (dTAG), Trim-Away, a specific and non-genetic inhibitor of apoptosis protein (IAP)-dependent protein eraser (SNIPER), antibody-PROTACs (Ab-PROTACs), and other lysosome-based strategies-have achieved remarkable progress. In this review, we comprehensively highlight the small-molecule degraders beyond PROTACs that could achieve the degradation of epigenetic proteins (including bromodomain-containing protein-related targets, histone acetylation/deacetylation-related targets, histone methylation/demethylation related targets, and other epigenetic targets) via proteasomal or lysosomal pathways. The present difficulties and forthcoming prospects in this domain are also deliberated upon, which may be valuable for medicinal chemists when developing more potent, selective, and drug-like epigenetic drugs for clinical applications.
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Affiliation(s)
- Xing-Jie Dai
- Key Laboratory of Advanced Drug Preparation Technologies, Ministry of Education, China; State Key Laboratory of Esophageal Cancer Prevention & Treatment; Key Laboratory of Henan Province for Drug Quality and Evaluation; Institute of Drug Discovery and Development; School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, China
| | - Shi-Kun Ji
- Key Laboratory of Advanced Drug Preparation Technologies, Ministry of Education, China; State Key Laboratory of Esophageal Cancer Prevention & Treatment; Key Laboratory of Henan Province for Drug Quality and Evaluation; Institute of Drug Discovery and Development; School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, China
| | - Meng-Jie Fu
- Key Laboratory of Advanced Drug Preparation Technologies, Ministry of Education, China; State Key Laboratory of Esophageal Cancer Prevention & Treatment; Key Laboratory of Henan Province for Drug Quality and Evaluation; Institute of Drug Discovery and Development; School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, China
| | - Gao-Zhi Liu
- Key Laboratory of Advanced Drug Preparation Technologies, Ministry of Education, China; State Key Laboratory of Esophageal Cancer Prevention & Treatment; Key Laboratory of Henan Province for Drug Quality and Evaluation; Institute of Drug Discovery and Development; School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, China
| | - Hui-Min Liu
- Key Laboratory of Advanced Drug Preparation Technologies, Ministry of Education, China; State Key Laboratory of Esophageal Cancer Prevention & Treatment; Key Laboratory of Henan Province for Drug Quality and Evaluation; Institute of Drug Discovery and Development; School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, China
| | - Shao-Peng Wang
- Key Laboratory of Advanced Drug Preparation Technologies, Ministry of Education, China; State Key Laboratory of Esophageal Cancer Prevention & Treatment; Key Laboratory of Henan Province for Drug Quality and Evaluation; Institute of Drug Discovery and Development; School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, China
| | - Liang Shen
- Key Laboratory of Advanced Drug Preparation Technologies, Ministry of Education, China; State Key Laboratory of Esophageal Cancer Prevention & Treatment; Key Laboratory of Henan Province for Drug Quality and Evaluation; Institute of Drug Discovery and Development; School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, China
| | - Ning Wang
- The School of Chinese Medicine, The University of Hong Kong, Pokfulam, Hong Kong, China
| | - Piet Herdewijn
- Key Laboratory of Advanced Drug Preparation Technologies, Ministry of Education, China; State Key Laboratory of Esophageal Cancer Prevention & Treatment; Key Laboratory of Henan Province for Drug Quality and Evaluation; Institute of Drug Discovery and Development; School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, China
- XNA platform, School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, China
- Rega Institute for Medical Research, Medicinal Chemistry, KU Leuven, Herestraat 49-Box 1041, 3000 Leuven, Belgium
| | - Yi-Chao Zheng
- Key Laboratory of Advanced Drug Preparation Technologies, Ministry of Education, China; State Key Laboratory of Esophageal Cancer Prevention & Treatment; Key Laboratory of Henan Province for Drug Quality and Evaluation; Institute of Drug Discovery and Development; School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, China
- XNA platform, School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, China
| | - Sai-Qi Wang
- Department of Oncology, the Affiliated Cancer Hospital of Zhengzhou University & Henan Cancer Hospital, Zhengzhou University, Zhengzhou, China
- Department of Oncology, the Affiliated Cancer Hospital of Zhengzhou University & Henan Cancer Hospital, Henan Engineering Research Center of Precision Therapy of Gastrointestinal Cancer & Zhengzhou Key Laboratory for Precision Therapy of Gastrointestinal Cancer, Zhengzhou, China
| | - Xiao-Bing Chen
- Department of Oncology, the Affiliated Cancer Hospital of Zhengzhou University & Henan Cancer Hospital, Zhengzhou University, Zhengzhou, China
- Department of Oncology, the Affiliated Cancer Hospital of Zhengzhou University & Henan Cancer Hospital, Henan Engineering Research Center of Precision Therapy of Gastrointestinal Cancer & Zhengzhou Key Laboratory for Precision Therapy of Gastrointestinal Cancer, Zhengzhou, China
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Bollu A, Schepers H, Klöcker N, Erguven M, Lawrence-Dörner AM, Rentmeister A. Visible Light Activates Coumarin-Caged mRNA for Cytoplasmic Cap Methylation in Cells. Chemistry 2024; 30:e202303174. [PMID: 37883670 DOI: 10.1002/chem.202303174] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2023] [Accepted: 10/23/2023] [Indexed: 10/28/2023]
Abstract
Protein synthesis is important and regulated by various mechanisms in the cell. Translation initiation in eukaryotes starts at the 5' cap and is the most complex of the three phases of mRNA translation. It requires methylation of the N7 position of the terminal guanosine (m7 G). The canonical capping occurs in the nucleus, however, cytoplasmic recapping has been discovered. It functions in switching mRNAs between translating and non-translating states, but the individual steps are difficult to dissect. We targeted cytoplasmic cap methylation as the ultimate step of cytoplasmic recapping. We present an N7G photocaged 5' cap that can be activated for cytoplasmic methylation by visible light. We report chemical and chemo-enzymatic synthesis of this 5' cap with 7-(diethylamino)-4-methyl-coumarin (DEACM) at the N7G and validate that it is not bound by translation initiation factor 4E (eIF4E). We demonstrate incorporation into mRNA, the release of unmethylated cap analog and enzymatic remethylation to functional cap 0 after irradiation at 450 nm. In cells, irradiation triggers translation of mRNAs with the N7G photocaged 5' cap via cytoplasmic cap methylation.
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Affiliation(s)
- Amarnath Bollu
- Department of Chemistry, Institute of Biochemistry, University of Münster, Corrensstraße 36, 48149, Münster, Germany
| | - Helena Schepers
- Department of Chemistry, Institute of Biochemistry, University of Münster, Corrensstraße 36, 48149, Münster, Germany
| | - Nils Klöcker
- Department of Chemistry, Institute of Biochemistry, University of Münster, Corrensstraße 36, 48149, Münster, Germany
| | - Mehmet Erguven
- Department of Chemistry, Institute of Biochemistry, University of Münster, Corrensstraße 36, 48149, Münster, Germany
- Cells in Motion Interfaculty Centre, University of Münster, Waldeyerstraße 15, 48149, Münster, Germany
| | - Ann-Marie Lawrence-Dörner
- Department of Chemistry, Institute of Biochemistry, University of Münster, Corrensstraße 36, 48149, Münster, Germany
| | - Andrea Rentmeister
- Department of Chemistry, Institute of Biochemistry, University of Münster, Corrensstraße 36, 48149, Münster, Germany
- Cells in Motion Interfaculty Centre, University of Münster, Waldeyerstraße 15, 48149, Münster, Germany
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6
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Mancarella C, Morrione A, Scotlandi K. PROTAC-Based Protein Degradation as a Promising Strategy for Targeted Therapy in Sarcomas. Int J Mol Sci 2023; 24:16346. [PMID: 38003535 PMCID: PMC10671294 DOI: 10.3390/ijms242216346] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2023] [Revised: 11/10/2023] [Accepted: 11/11/2023] [Indexed: 11/26/2023] Open
Abstract
Sarcomas are heterogeneous bone and soft tissue cancers representing the second most common tumor type in children and adolescents. Histology and genetic profiling discovered more than 100 subtypes, which are characterized by peculiar molecular vulnerabilities. However, limited therapeutic options exist beyond standard therapy and clinical benefits from targeted therapies were observed only in a minority of patients with sarcomas. The rarity of these tumors, paucity of actionable mutations, and limitations in the chemical composition of current targeted therapies hindered the use of these approaches in sarcomas. Targeted protein degradation (TPD) is an innovative pharmacological modality to directly alter protein abundance with promising clinical potential in cancer, even for undruggable proteins. TPD is based on the use of small molecules called degraders or proteolysis-targeting chimeras (PROTACs), which trigger ubiquitin-dependent degradation of protein of interest. In this review, we will discuss major features of PROTAC and PROTAC-derived genetic systems for target validation and cancer treatment and focus on the potential of these approaches to overcome major issues connected to targeted therapies in sarcomas, including drug resistance, target specificity, and undruggable targets. A deeper understanding of these strategies might provide new fuel to drive molecular and personalized medicine to sarcomas.
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Affiliation(s)
- Caterina Mancarella
- Laboratory of Experimental Oncology, IRCCS Istituto Ortopedico Rizzoli, 40136 Bologna, Italy
| | - Andrea Morrione
- Sbarro Institute for Cancer Research and Molecular Medicine, Center for Biotechnology, Department of Biology, College of Science and Technology, Temple University, Philadelphia, PA 19122, USA;
| | - Katia Scotlandi
- Laboratory of Experimental Oncology, IRCCS Istituto Ortopedico Rizzoli, 40136 Bologna, Italy
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7
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Yao R, Luo T, Wang M. Delivering on Cell-Selective Protein Degradation Using Chemically Tailored PROTACs. Chembiochem 2023; 24:e202300413. [PMID: 37496112 DOI: 10.1002/cbic.202300413] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2023] [Revised: 07/26/2023] [Accepted: 07/26/2023] [Indexed: 07/28/2023]
Abstract
PROTACs (Proteolysis-Targeting Chimeras) have emerged as a groundbreaking class of chemical tools that facilitate the degradation of target proteins by leveraging the ubiquitin-proteasome system (UPS). However, the effective utilization of PROTACs in chemical biology studies and therapeutics encounters significant challenges when it comes to achieving cell-selective protein degradation and in vivo applications. This review article aims to shed light on recent advancements in the development of Pro-PROTACs, which exhibit controlled protein degradation capabilities in response to external stimuli or disease-related endogenous biochemical signals. The article delves into the specific chemical strategies employed to regulate the interaction between PROTACs and E3 ubiquitin ligases or target proteins. These strategies enable spatial and temporal control over the protein degradation potential of Pro-PROTACs. Furthermore, the review summarizes recent investigations regarding the delivery of PROTACs using biodegradable nanoparticles for in vivo applications and targeted protein degradation. Such delivery systems hold great promise for enabling efficient and selective protein degradation in vivo. Lastly, the article provides a perspective on the future design of multifunctional PROTACs and their intracellular delivery mechanisms, with a particular focus on achieving cell-selective protein degradation.
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Affiliation(s)
- Rui Yao
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Analytical Chemistry for Living Biosystems, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, China
- University of Chinese Academy of Sciences, Beijing, 100490, China
| | - Tianli Luo
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Analytical Chemistry for Living Biosystems, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, China
- University of Chinese Academy of Sciences, Beijing, 100490, China
| | - Ming Wang
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Analytical Chemistry for Living Biosystems, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, China
- University of Chinese Academy of Sciences, Beijing, 100490, China
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8
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Wang W, Zhu C, Zhang B, Feng Y, Zhang Y, Li J. Self-Assembled Nano-PROTAC Enables Near-Infrared Photodynamic Proteolysis for Cancer Therapy. J Am Chem Soc 2023; 145:16642-16649. [PMID: 37477624 DOI: 10.1021/jacs.3c04109] [Citation(s) in RCA: 15] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/22/2023]
Abstract
Confining the protein degradation activity of proteolysis-targeting chimera (PROTAC) to cancer lesions ensures precision treatment. However, it still remains challenging to precisely control PROTAC function in tumor regions in vivo. We herein describe a near-infrared (NIR) photoactivatable nano-PROTAC (NAP) for remote-controllable proteolysis in tumor-bearing mice. NAP is formed by molecular self-assembly from an amphiphilic conjugate of PROTAC linked with an NIR photosensitizer through a singlet oxygen (1O2)-cleavable linker. The activity of PROTAC is initially silenced but can be remotely switched on upon NIR photoirradiation to generate 1O2 by the photosensitizer. We demonstrated that NAP enabled tumor-specific degradation of bromodomain-containing protein 4 (BRD4) in an NIR light-instructed manner. This in combination with photodynamic therapy (PDT) elicited an effective suppression of tumor growth. This work thus presents a novel approach for spatiotemporal control over targeted protein degradation by PROTAC.
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Affiliation(s)
- Weishan Wang
- State Key Laboratory of Analytical Chemistry for Life Sciences, Jiangsu Key Laboratory of Advanced Organic Materials, School of Chemistry and Chemical Engineering, Chemistry and Biomedicine Innovation Center (ChemBIC), Nanjing University, Nanjing 210023, China
| | - Chenghong Zhu
- State Key Laboratory of Analytical Chemistry for Life Sciences, Jiangsu Key Laboratory of Advanced Organic Materials, School of Chemistry and Chemical Engineering, Chemistry and Biomedicine Innovation Center (ChemBIC), Nanjing University, Nanjing 210023, China
| | - Bin Zhang
- State Key Laboratory of Analytical Chemistry for Life Sciences, Jiangsu Key Laboratory of Advanced Organic Materials, School of Chemistry and Chemical Engineering, Chemistry and Biomedicine Innovation Center (ChemBIC), Nanjing University, Nanjing 210023, China
| | - Yi Feng
- State Key Laboratory of Analytical Chemistry for Life Sciences, Jiangsu Key Laboratory of Advanced Organic Materials, School of Chemistry and Chemical Engineering, Chemistry and Biomedicine Innovation Center (ChemBIC), Nanjing University, Nanjing 210023, China
| | - Yan Zhang
- State Key Laboratory of Analytical Chemistry for Life Sciences, Jiangsu Key Laboratory of Advanced Organic Materials, School of Chemistry and Chemical Engineering, Chemistry and Biomedicine Innovation Center (ChemBIC), Nanjing University, Nanjing 210023, China
| | - Jinbo Li
- State Key Laboratory of Analytical Chemistry for Life Sciences, Jiangsu Key Laboratory of Advanced Organic Materials, School of Chemistry and Chemical Engineering, Chemistry and Biomedicine Innovation Center (ChemBIC), Nanjing University, Nanjing 210023, China
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Jiang Q, Hu Y, Liu Q, Tang Y, Wu X, Liu J, Tu G, Li G, Lin X, Qu M, Cai Y, Huang X, Xu J, Deng Y, Chen Z, Wu L. Albumin-encapsulated HSP90-PROTAC BP3 nanoparticles not only retain protein degradation ability but also enhance the antitumour activity of BP3 in vivo. J Drug Target 2023; 31:411-420. [PMID: 36866593 DOI: 10.1080/1061186x.2023.2185247] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/04/2023]
Abstract
Proteolysis-targeting chimaera (PROTAC) has received extensive attention in industry. However, there are still some limitations that hinder its further development. In a previous study, our group first demonstrated that the HSP90 degrader BP3 synthesised by the principle of PROTACs showed therapeutic potential for cancer. However, its application was hindered by its high molecular weight and water insolubility. Herein, we aimed to improve these properties of HSP90-PROTAC BP3 by encapsulating it into human serum albumin nanoparticles (BP3@HSA NPs). The results demonstrated that BP3@HSA NPs showed a uniform spherical shape with a size of 141.01 ± 1.07 nm and polydispersity index < 0.2; moreover, BP3@HSA NPs were more readily taken up by breast cancer cells and had a stronger inhibitory effect in vitro than free BP3. BP3@HSA NPs also demonstrated the ability to degrade HSP90. Mechanistically, the improved inhibitory effect of BP3@HSA NPs on breast cancer cells was related to its stronger ability to induce cell cycle arrest and apoptosis. Furthermore, BP3@HSA NPs improved PK properties and showed stronger tumour suppression in mice. Taken together, this study demonstrated that hydrophobic HSP90-PROTAC BP3 nanoparticles encapsulated by human serum albumin could improve the safety and antitumour efficacy of BP3.
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Affiliation(s)
- Qingna Jiang
- Department of Pharmacology, School of Pharmacy, Fujian Medical University (FMU), Fuzhou, P.R. China
- Fujian Key Laboratory of Natural Medicine Pharmacology, Fujian Medical University (FMU), Fuzhou, P.R. China
| | - Yan Hu
- Department of Public Technology Service Center, Fujian Medical University (FMU), Fuzhou, P.R. China
| | - Quanyu Liu
- Department of Pharmacology, School of Pharmacy, Fujian Medical University (FMU), Fuzhou, P.R. China
- Fujian Key Laboratory of Natural Medicine Pharmacology, Fujian Medical University (FMU), Fuzhou, P.R. China
- School of Pharmacy, Fujian Health College, Fuzhou, P.R. China
| | - Yuanling Tang
- Department of Pharmacology, School of Pharmacy, Fujian Medical University (FMU), Fuzhou, P.R. China
- Fujian Key Laboratory of Natural Medicine Pharmacology, Fujian Medical University (FMU), Fuzhou, P.R. China
| | - Xinhua Wu
- Department of Pharmacology, School of Pharmacy, Fujian Medical University (FMU), Fuzhou, P.R. China
- Fujian Key Laboratory of Natural Medicine Pharmacology, Fujian Medical University (FMU), Fuzhou, P.R. China
| | - Jingwen Liu
- Department of Pharmacology, School of Pharmacy, Fujian Medical University (FMU), Fuzhou, P.R. China
- Fujian Key Laboratory of Natural Medicine Pharmacology, Fujian Medical University (FMU), Fuzhou, P.R. China
| | - Guihui Tu
- Department of Pharmacology, School of Pharmacy, Fujian Medical University (FMU), Fuzhou, P.R. China
- Fujian Key Laboratory of Natural Medicine Pharmacology, Fujian Medical University (FMU), Fuzhou, P.R. China
| | - Ge Li
- Department of Pharmacology, School of Pharmacy, Fujian Medical University (FMU), Fuzhou, P.R. China
- Fujian Key Laboratory of Natural Medicine Pharmacology, Fujian Medical University (FMU), Fuzhou, P.R. China
| | - Xiaoqing Lin
- Department of Pharmacology, School of Pharmacy, Fujian Medical University (FMU), Fuzhou, P.R. China
- Fujian Key Laboratory of Natural Medicine Pharmacology, Fujian Medical University (FMU), Fuzhou, P.R. China
| | - Minghui Qu
- Department of Pharmacology, School of Pharmacy, Fujian Medical University (FMU), Fuzhou, P.R. China
- Fujian Key Laboratory of Natural Medicine Pharmacology, Fujian Medical University (FMU), Fuzhou, P.R. China
| | - Yajuan Cai
- Department of Pharmacology, School of Pharmacy, Fujian Medical University (FMU), Fuzhou, P.R. China
- Fujian Key Laboratory of Natural Medicine Pharmacology, Fujian Medical University (FMU), Fuzhou, P.R. China
| | - Xiuwang Huang
- Department of Public Technology Service Center, Fujian Medical University (FMU), Fuzhou, P.R. China
| | - Jianhua Xu
- Department of Pharmacology, School of Pharmacy, Fujian Medical University (FMU), Fuzhou, P.R. China
- Fujian Key Laboratory of Natural Medicine Pharmacology, Fujian Medical University (FMU), Fuzhou, P.R. China
| | - Yanping Deng
- Department of Pharmaceutics, School of Pharmacy, Fujian Medical University (FMU), Fuzhou, P.R. China
| | - Zhuo Chen
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fujian Academy, University of Chinese Academy of Sciences, Fuzhou, P.R. China
| | - Lixian Wu
- Department of Pharmacology, School of Pharmacy, Fujian Medical University (FMU), Fuzhou, P.R. China
- Fujian Key Laboratory of Natural Medicine Pharmacology, Fujian Medical University (FMU), Fuzhou, P.R. China
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10
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Wang Y, Li Z, Mo F, Chen-Mayfield TJ, Saini A, LaMere AM, Hu Q. Chemically engineering cells for precision medicine. Chem Soc Rev 2023; 52:1068-1102. [PMID: 36633324 DOI: 10.1039/d2cs00142j] [Citation(s) in RCA: 16] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
Cell-based therapy holds great potential to address unmet medical needs and revolutionize the healthcare industry, as demonstrated by several therapeutics such as CAR-T cell therapy and stem cell transplantation that have achieved great success clinically. Nevertheless, natural cells are often restricted by their unsatisfactory in vivo trafficking and lack of therapeutic payloads. Chemical engineering offers a cost-effective, easy-to-implement engineering tool that allows for strengthening the inherent favorable features of cells and confers them new functionalities. Moreover, in accordance with the trend of precision medicine, leveraging chemical engineering tools to tailor cells to accommodate patients individual needs has become important for the development of cell-based treatment modalities. This review presents a comprehensive summary of the currently available chemically engineered tools, introduces their application in advanced diagnosis and precision therapy, and discusses the current challenges and future opportunities.
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Affiliation(s)
- Yixin Wang
- Pharmaceutical Sciences Division, School of Pharmacy, University of Wisconsin-Madison, Madison, WI 53705, USA. .,Carbone Cancer Center, School of Medicine and Public Health, University of Wisconsin-Madison, Madison, WI 53705, USA.,Wisconsin Center for NanoBioSystems, School of Pharmacy, University of Wisconsin-Madison, Madison, WI 53705, USA
| | - Zhaoting Li
- Pharmaceutical Sciences Division, School of Pharmacy, University of Wisconsin-Madison, Madison, WI 53705, USA. .,Carbone Cancer Center, School of Medicine and Public Health, University of Wisconsin-Madison, Madison, WI 53705, USA.,Wisconsin Center for NanoBioSystems, School of Pharmacy, University of Wisconsin-Madison, Madison, WI 53705, USA
| | - Fanyi Mo
- Pharmaceutical Sciences Division, School of Pharmacy, University of Wisconsin-Madison, Madison, WI 53705, USA.
| | - Ting-Jing Chen-Mayfield
- Pharmaceutical Sciences Division, School of Pharmacy, University of Wisconsin-Madison, Madison, WI 53705, USA.
| | - Aryan Saini
- Pharmaceutical Sciences Division, School of Pharmacy, University of Wisconsin-Madison, Madison, WI 53705, USA.
| | - Afton Martin LaMere
- Pharmaceutical Sciences Division, School of Pharmacy, University of Wisconsin-Madison, Madison, WI 53705, USA.
| | - Quanyin Hu
- Pharmaceutical Sciences Division, School of Pharmacy, University of Wisconsin-Madison, Madison, WI 53705, USA. .,Carbone Cancer Center, School of Medicine and Public Health, University of Wisconsin-Madison, Madison, WI 53705, USA.,Wisconsin Center for NanoBioSystems, School of Pharmacy, University of Wisconsin-Madison, Madison, WI 53705, USA
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11
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Bollu A, Klöcker N, Špaček P, P Weissenboeck F, Hüwel S, Rentmeister A. Light-Activated Translation of Different mRNAs in Cells via Wavelength-Dependent Photouncaging. Angew Chem Int Ed Engl 2023; 62:e202209975. [PMID: 36417319 PMCID: PMC10107135 DOI: 10.1002/anie.202209975] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2022] [Revised: 11/20/2022] [Accepted: 11/23/2022] [Indexed: 11/24/2022]
Abstract
The 5' cap is a hallmark of eukaryotic mRNA involved in the initiation of translation. Its modification with a single photo-cleavable group can bring translation of mRNA under the control of light. However, UV irradiation causes cell stress and downregulation of translation. Furthermore, complex processes often involve timed expression of more than one gene. The approach would thus greatly benefit from the ability to photo-cleave by blue light and to control more than one mRNA at a time. We report the synthesis of a 5' cap modified with a 7-(diethylamino)coumarin (CouCap) and adapted conditions for in vitro transcription. Translation of the resulting CouCap-mRNA is muted in vitro and in mammalian cells, and can be initiated by irradiation with 450 nm. The native cap is restored and no non-natural residues nor sequence alterations remain in the mRNA. Multiplexing for two different mRNAs was achieved by combining cap analogs with coumarin- and ortho-nitrobenzyl-based photo-cleavable groups.
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Affiliation(s)
- Amarnath Bollu
- Department of Chemistry, Institute of Biochemistry, Westfälische Wilhelms Universität Münster, Corrensstraße 36, 48149, Münster, Germany
| | - Nils Klöcker
- Department of Chemistry, Institute of Biochemistry, Westfälische Wilhelms Universität Münster, Corrensstraße 36, 48149, Münster, Germany
| | - Petr Špaček
- Department of Chemistry, Institute of Biochemistry, Westfälische Wilhelms Universität Münster, Corrensstraße 36, 48149, Münster, Germany
| | - Florian P Weissenboeck
- Department of Chemistry, Institute of Biochemistry, Westfälische Wilhelms Universität Münster, Corrensstraße 36, 48149, Münster, Germany
| | - Sabine Hüwel
- Department of Chemistry, Institute of Biochemistry, Westfälische Wilhelms Universität Münster, Corrensstraße 36, 48149, Münster, Germany
| | - Andrea Rentmeister
- Department of Chemistry, Institute of Biochemistry, Westfälische Wilhelms Universität Münster, Corrensstraße 36, 48149, Münster, Germany
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12
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Liu Z, Hu M, Yang Y, Du C, Zhou H, Liu C, Chen Y, Fan L, Ma H, Gong Y, Xie Y. An overview of PROTACs: a promising drug discovery paradigm. MOLECULAR BIOMEDICINE 2022; 3:46. [PMID: 36536188 PMCID: PMC9763089 DOI: 10.1186/s43556-022-00112-0] [Citation(s) in RCA: 53] [Impact Index Per Article: 26.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2022] [Accepted: 11/29/2022] [Indexed: 12/24/2022] Open
Abstract
Proteolysis targeting chimeras (PROTACs) technology has emerged as a novel therapeutic paradigm in recent years. PROTACs are heterobifunctional molecules that degrade target proteins by hijacking the ubiquitin-proteasome system. Currently, about 20-25% of all protein targets are being studied, and most works focus on their enzymatic functions. Unlike small molecules, PROTACs inhibit the whole biological function of the target protein by binding to the target protein and inducing subsequent proteasomal degradation. PROTACs compensate for limitations that transcription factors, nuclear proteins, and other scaffolding proteins are difficult to handle with traditional small-molecule inhibitors. Currently, PROTACs have successfully degraded diverse proteins, such as BTK, BRD4, AR, ER, STAT3, IRAK4, tau, etc. And ARV-110 and ARV-471 exhibited excellent efficacy in clinical II trials. However, what targets are appropriate for PROTAC technology to achieve better benefits than small-molecule inhibitors are not fully understood. And how to rationally design an efficient PROTACs and optimize it to be orally effective poses big challenges for researchers. In this review, we summarize the features of PROTAC technology, analyze the detail of general principles for designing efficient PROTACs, and discuss the typical application of PROTACs targeting different protein categories. In addition, we also introduce the progress of relevant clinical trial results of representative PROTACs and assess the challenges and limitations that PROTACs may face. Collectively, our studies provide references for further application of PROTACs.
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Affiliation(s)
- Zi Liu
- grid.13291.380000 0001 0807 1581State Key Laboratory of Biotherapy and Cancer Center, Department of Laboratory Medicine, West China Hospital, Sichuan University and Collaborative Innovation Center of Biotherapy, Chengdu, 610041 China
| | - Mingxing Hu
- grid.13291.380000 0001 0807 1581State Key Laboratory of Biotherapy and Cancer Center, Department of Laboratory Medicine, West China Hospital, Sichuan University and Collaborative Innovation Center of Biotherapy, Chengdu, 610041 China
| | - Yu Yang
- grid.13291.380000 0001 0807 1581State Key Laboratory of Biotherapy and Cancer Center, Department of Laboratory Medicine, West China Hospital, Sichuan University and Collaborative Innovation Center of Biotherapy, Chengdu, 610041 China
| | - Chenghao Du
- grid.42505.360000 0001 2156 6853Department of Biological Sciences, USC Dana and David Dornsife College of Letters, Arts and Sciences, Los Angeles, 90089 USA
| | - Haoxuan Zhou
- grid.13291.380000 0001 0807 1581State Key Laboratory of Biotherapy and Cancer Center, Department of Laboratory Medicine, West China Hospital, Sichuan University and Collaborative Innovation Center of Biotherapy, Chengdu, 610041 China
| | - Chengyali Liu
- grid.13291.380000 0001 0807 1581State Key Laboratory of Biotherapy and Cancer Center, Department of Laboratory Medicine, West China Hospital, Sichuan University and Collaborative Innovation Center of Biotherapy, Chengdu, 610041 China
| | - Yuanwei Chen
- Hinova Pharmaceuticals Inc., Chengdu, 610041 China
| | - Lei Fan
- Hinova Pharmaceuticals Inc., Chengdu, 610041 China
| | - Hongqun Ma
- Hinova Pharmaceuticals Inc., Chengdu, 610041 China
| | - Youling Gong
- grid.13291.380000 0001 0807 1581Department of Thoracic Oncology, West China Hospital, Sichuan University, Chengdu, 610041 China
| | - Yongmei Xie
- grid.13291.380000 0001 0807 1581State Key Laboratory of Biotherapy and Cancer Center, Department of Laboratory Medicine, West China Hospital, Sichuan University and Collaborative Innovation Center of Biotherapy, Chengdu, 610041 China
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13
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Koroleva OA, Dutikova YV, Trubnikov AV, Zenov FA, Manasova EV, Shtil AA, Kurkin AV. PROTAC: targeted drug strategy. Principles and limitations. Russ Chem Bull 2022; 71:2310-2334. [PMID: 36569659 PMCID: PMC9762658 DOI: 10.1007/s11172-022-3659-z] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2022] [Revised: 06/08/2022] [Accepted: 06/20/2022] [Indexed: 12/23/2022]
Abstract
The PROTAC (PROteolysis TArgeting Chimera) technology is a method of targeting intracellular proteins previously considered undruggable. This technology utilizes the ubiquitin-proteasome system in cells to specifically degrade target proteins, thereby offering significant advantages over conventional small-molecule inhibitors of the enzymatic function. Preclinical and preliminary clinical trials of PROTAC-based compounds (degraders) are presented. The review considers the general principles of the design of degraders. Advances and challenges of the PROTAC technology are discussed.
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Affiliation(s)
- O. A. Koroleva
- Department of Chemistry, Lomonosov Moscow State University, Build. 3, 1 Leninskie Gory, 119991 Moscow, Russian Federation
| | - Yu. V. Dutikova
- Patent & Law Firm “A. Zalesov and Partners”, Build. 9, 2 ul. Marshala Rybalko, 123060 Moscow, Russian Federation
| | - A. V. Trubnikov
- Department of Chemistry, Lomonosov Moscow State University, Build. 3, 1 Leninskie Gory, 119991 Moscow, Russian Federation
| | - F. A. Zenov
- Department of Chemistry, Lomonosov Moscow State University, Build. 3, 1 Leninskie Gory, 119991 Moscow, Russian Federation
| | - E. V. Manasova
- Department of Chemistry, Lomonosov Moscow State University, Build. 3, 1 Leninskie Gory, 119991 Moscow, Russian Federation
| | - A. A. Shtil
- Department of Chemistry, Lomonosov Moscow State University, Build. 3, 1 Leninskie Gory, 119991 Moscow, Russian Federation
- N. N. Blokhin National Medical Research Center of Oncology, Ministry of Health of the Russian Federation, Build. 15, 24 Kashirskoe shosse, 115478 Moscow, Russian Federation
| | - A. V. Kurkin
- Department of Chemistry, Lomonosov Moscow State University, Build. 3, 1 Leninskie Gory, 119991 Moscow, Russian Federation
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14
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Diehl CJ, Ciulli A. Discovery of small molecule ligands for the von Hippel-Lindau (VHL) E3 ligase and their use as inhibitors and PROTAC degraders. Chem Soc Rev 2022; 51:8216-8257. [PMID: 35983982 PMCID: PMC9528729 DOI: 10.1039/d2cs00387b] [Citation(s) in RCA: 46] [Impact Index Per Article: 23.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The von Hippel-Lindau (VHL) Cullin RING E3 ligase is an essential enzyme in the ubiquitin-proteasome system that recruits substrates such as the hypoxia inducible factor for ubiquitination and subsequent proteasomal degradation. The ubiquitin-proteasome pathway can be hijacked toward non-native neo-substrate proteins using proteolysis targeting chimeras (PROTACs), bifunctional molecules designed to simultaneously bind to an E3 ligase and a target protein to induce target ubiquitination and degradation. The availability of high-quality small-molecule ligands with good binding affinity for E3 ligases is fundamental for PROTAC development. Lack of good E3 ligase ligands as starting points to develop PROTAC degraders was initially a stumbling block to the development of the field. Herein, the journey towards the design of small-molecule ligands binding to VHL is presented. We cover the structure-based design of VHL ligands, their application as inhibitors in their own right, and their implementation into rationally designed, potent PROTAC degraders of various target proteins. We highlight the key findings and learnings that have provided strong foundations for the remarkable development of targeted protein degradation, and that offer a blueprint for designing new ligands for E3 ligases beyond VHL.
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Affiliation(s)
- Claudia J Diehl
- Centre for Targeted Protein Degradation, School of Life Sciences, University of Dundee, Dundee, Scotland, UK.
| | - Alessio Ciulli
- Centre for Targeted Protein Degradation, School of Life Sciences, University of Dundee, Dundee, Scotland, UK.
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15
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Anwar Z, Ali MS, Galvano A, Perez A, La Mantia M, Bukhari I, Swiatczak B. PROTACs: The Future of Leukemia Therapeutics. Front Cell Dev Biol 2022; 10:851087. [PMID: 36120561 PMCID: PMC9479449 DOI: 10.3389/fcell.2022.851087] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2022] [Accepted: 05/30/2022] [Indexed: 12/24/2022] Open
Abstract
The fight to find effective, long-lasting treatments for cancer has led many researchers to consider protein degrading entities. Recent developments in PROteolysis TArgeting Chimeras (PROTACs) have signified their potential as possible cancer therapies. PROTACs are small molecule, protein degraders that function by hijacking the built-in Ubiquitin-Proteasome pathway. This review mainly focuses on the general design and functioning of PROTACs as well as current advancements in the development of PROTACs as anticancer therapies. Particular emphasis is given to PROTACs designed against various types of Leukemia/Blood malignancies.
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Affiliation(s)
- Zubair Anwar
- Department of Surgical, Oncological, and Oral Sciences, Section of Medical Oncology, Uiniversity of Palermo, Palermo, Italy
- *Correspondence: Zubair Anwar, ; Bartlomiej Swiatczak,
| | - Muhammad Shahzad Ali
- Department of Clinical and Biological Sciences, University of Turin, San Luigi Hospital, Turin, Italy
| | - Antonio Galvano
- Department of Surgical, Oncological, and Oral Sciences, Section of Medical Oncology, Uiniversity of Palermo, Palermo, Italy
| | - Alessandro Perez
- Department of Surgical, Oncological, and Oral Sciences, Section of Medical Oncology, Uiniversity of Palermo, Palermo, Italy
| | - Maria La Mantia
- Department of Surgical, Oncological, and Oral Sciences, Section of Medical Oncology, Uiniversity of Palermo, Palermo, Italy
| | - Ihtisham Bukhari
- The Fifth Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Bartlomiej Swiatczak
- Department of History of Science and Scientific Archeology, University of Science and Technology of China, Hefei, China
- *Correspondence: Zubair Anwar, ; Bartlomiej Swiatczak,
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16
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Pedrucci F, Pappalardo C, Marzaro G, Ferri N, Ferlin A, De Toni L. Proteolysis Targeting Chimeric Molecules: Tuning Molecular Strategies for a Clinically Sound Listening. Int J Mol Sci 2022; 23:ijms23126630. [PMID: 35743070 PMCID: PMC9223854 DOI: 10.3390/ijms23126630] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2022] [Revised: 06/06/2022] [Accepted: 06/10/2022] [Indexed: 12/10/2022] Open
Abstract
From seminal evidence in the early 2000s, the opportunity to drive the specific knockdown of a protein of interest (POI) through pharmacological entities called Proteolysis Targeting Chimeric molecules, or PROTACs, has become a possible therapeutic option with the involvement of these compounds in clinical trials for cancers and autoimmune diseases. The fulcrum of PROTACs pharmacodynamics is to favor the juxtaposition between an E3 ligase activity and the POI, followed by the ubiquitination of the latter and its degradation by the proteasome system. In the face of an apparently modular design of these drugs, being constituted by an E3 ligase binding moiety and a POI-binding moiety connected by a linker, the final structure of an efficient PROTAC degradation enhancer often goes beyond the molecular descriptors known to influence the biological activity, specificity, and pharmacokinetics, requiring a rational improvement through appropriate molecular strategies. Starting from the description of the basic principles underlying the activity of the PROTACs to the evaluation of the strategies for the improvement of pharmacodynamics and pharmacokinetics and rational design, this review examines the molecular elements that have been shown to be effective in allowing the evolution of these compounds from interesting proof of concepts to potential aids of clinical interest.
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Affiliation(s)
- Federica Pedrucci
- Department of Medicine, Unit of Andrology and Reproductive Medicine, University of Padova, Via Giustiniani 2, 35128 Padova, Italy; (F.P.); (C.P.); (A.F.)
| | - Claudia Pappalardo
- Department of Medicine, Unit of Andrology and Reproductive Medicine, University of Padova, Via Giustiniani 2, 35128 Padova, Italy; (F.P.); (C.P.); (A.F.)
| | - Giovanni Marzaro
- Department of Pharmaceutical and Pharmacological Sciences, University of Padova, 35131 Padova, Italy;
| | - Nicola Ferri
- Department of Medicine, University of Padova, 35128 Padova, Italy;
| | - Alberto Ferlin
- Department of Medicine, Unit of Andrology and Reproductive Medicine, University of Padova, Via Giustiniani 2, 35128 Padova, Italy; (F.P.); (C.P.); (A.F.)
| | - Luca De Toni
- Department of Medicine, Unit of Andrology and Reproductive Medicine, University of Padova, Via Giustiniani 2, 35128 Padova, Italy; (F.P.); (C.P.); (A.F.)
- Correspondence: ; Tel.: +39-049-8218519; Fax: +39-049-8218520
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17
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Chen L, Wan X, Shan X, Zha W, Fan R. Smart PROTACs Enable Controllable Protein Degradation for Precision Cancer Therapy. Mol Diagn Ther 2022; 26:283-291. [PMID: 35471699 DOI: 10.1007/s40291-022-00586-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/03/2022] [Indexed: 10/18/2022]
Abstract
Proteolysis-targeting chimeras (PROTACs) are heterobifunctional chemicals that degrade proteins at the post-translational level, which represent an emerging therapeutic modality to fight cancer and other diseases. Although several PROTACs have now entered clinical trials, potential off-tissue side effects have resulted from nonspecific accumulation at non-cancerous sites after systemic administration, and this remains a major challenge. To this end, in the past 3 years, activatable PROTACs whose activity can only be launched on demand have gained tremendous momentum. In this review, we provide an overview of these new smart activatable PROTACs, which exert protein degradation action only in response to internal or external stimuli. We categorize these activatable PROTACs according to their activation mechanism contributed by different stimuli, including reduction-activatable, hypoxia-activatable, and enzyme-activatable PROTACs and photo-caged or photo-switchable PROTACs. The use of stimuli-responsive chemical blocks in these activatable PROTACs allows local activation of the antitumor effects while reducing the incidence of off-site side effects for precision cancer therapy. The design principle and category of smart PROTACs are introduced along with an overview of their therapeutic prospects and challenges.
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Affiliation(s)
- Lixia Chen
- Medical College of Nantong University, Nantong, China
| | - Xinqiang Wan
- Department of Gynaecology and Obstetrics, The Fourth Affiliated Hospital of Nantong University, The First People's Hospital of Yancheng, Yancheng, China
| | - Xiangxiang Shan
- Department of Geraeology, Yancheng City No. 1 People's Hospital, Yancheng, China
| | - Wenzhang Zha
- Department of General Surgery, The Fourth Affiliated Hospital of Nantong University, The First People's Hospital of Yancheng, 166 Yulong Road, Yancheng, 224001, China
| | - Rengen Fan
- Department of General Surgery, The Fourth Affiliated Hospital of Nantong University, The First People's Hospital of Yancheng, 166 Yulong Road, Yancheng, 224001, China.
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18
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Zhong Y, Chi F, Wu H, Liu Y, Xie Z, Huang W, Shi W, Qian H. Emerging targeted protein degradation tools for innovative drug discovery: From classical PROTACs to the novel and beyond. Eur J Med Chem 2022; 231:114142. [DOI: 10.1016/j.ejmech.2022.114142] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2021] [Revised: 01/17/2022] [Accepted: 01/17/2022] [Indexed: 12/22/2022]
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19
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Juan A, del Mar Noblejas-López M, Arenas-Moreira M, Alonso-Moreno C, Ocaña A. Options to Improve the Action of PROTACs in Cancer: Development of Controlled Delivery Nanoparticles. Front Cell Dev Biol 2022; 9:805336. [PMID: 35186955 PMCID: PMC8851355 DOI: 10.3389/fcell.2021.805336] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2021] [Accepted: 12/27/2021] [Indexed: 11/13/2022] Open
Abstract
Classical targeting in cancer focuses on the development of chemical structures able to bind to protein pockets with enzymatic activity. Some of these molecules are designed to bind the ATP side of the kinase domain avoiding protein activation and the subsequent oncogenic activity. A further improvement of these agents relies on the generation of non-allosteric inhibitors that once bound are able to limit the kinase function by producing a conformational change at the protein and, therefore, augmenting the antitumoural potency. Unfortunately, not all oncogenic proteins have enzymatic activity and cannot be chemically targeted with these types of molecular entities. Very recently, exploiting the protein degradation pathway through the ubiquitination and subsequent proteasomal degradation of key target proteins has gained momentum. With this approach, non-enzymatic proteins such as Transcription Factors can be degraded. In this regard, we provide an overview of current applications of the PROteolysis TArgeting Chimeras (PROTACs) compounds for the treatment of solid tumours and ways to overcome their limitations for clinical development. Among the different constraints for their development, improvements in bioavailability and safety, due to an optimized delivery, seem to be relevant. In this context, it is anticipated that those targeting pan-essential genes will have a narrow therapeutic index. In this article, we review the advantages and disadvantages of the potential use of drug delivery systems to improve the activity and safety of PROTACs.
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Affiliation(s)
- Alberto Juan
- Unidad NanoCRIB, Centro Regional de Investigaciones Biomédicas, Albacete, Spain
| | - María del Mar Noblejas-López
- Oncología Traslacional, Centro Regional de Investigaciones Biomédicas, Albacete, Spain
- Unidad de Investigación del Complejo Hospitalario Universitario de Albacete, Oncología Traslacional, Albacete, Spain
| | | | - Carlos Alonso-Moreno
- Unidad NanoCRIB, Centro Regional de Investigaciones Biomédicas, Albacete, Spain
- Facultad de Farmacia de Albacete Universidad de Castilla-La Mancha, Albacete, Spain
| | - Alberto Ocaña
- Unidad de Investigación del Complejo Hospitalario Universitario de Albacete, Oncología Traslacional, Albacete, Spain
- Experimental Therapeutics Unit, Hospital Clínico San Carlos, IdISSC and CIBERONC, Madrid, Spain
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20
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Liu L, Shi L, Wang Z, Zeng J, Wang Y, Xiao H, Zhu Y. Targeting Oncoproteins for Degradation by Small Molecule-Based Proteolysis-Targeting Chimeras (PROTACs) in Sex Hormone-Dependent Cancers. Front Endocrinol (Lausanne) 2022; 13:839857. [PMID: 35370971 PMCID: PMC8971670 DOI: 10.3389/fendo.2022.839857] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/20/2021] [Accepted: 02/22/2022] [Indexed: 11/21/2022] Open
Abstract
Sex hormone-dependent cancers, including breast, ovary, and prostate cancer, contribute to the high number of cancer-related deaths worldwide. Steroid hormones promote tumor occurrence, development, and metastasis by acting on receptors, such as estrogen receptors (ERs), androgen receptors (ARs), and estrogen-related receptors (ERRs). Therefore, endocrine therapy targeting ERs, ARs, and ERRs represents the potential and pivotal therapeutic strategy in sex hormone-dependent cancers. Proteolysis-targeting chimeras (PROTACs) are a novel strategy that can harness the potential of the endogenous ubiquitin-proteasome system (UPS) to target and degrade specific proteins, rather than simply inhibiting the activity of target proteins. Small molecule PROTACs degrade a variety of proteins in cells, mice, and humans and are an emerging approach for novel drug development. PROTACs targeting ARs, ERs, ERRs, and other proteins in sex hormone-dependent cancers have been reported and may overcome the problem of resistance to existing endocrine therapy and receptor antagonist treatments. This review briefly introduces the PROTAC strategy and summarizes the progress on the development of small molecule PROTACs targeting oncoproteins in sex hormone-dependent cancers, focusing on breast and prostate cancers.
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Affiliation(s)
- Li Liu
- Department of Clinical Pharmacy, Sichuan Cancer Hospital & Institute, Sichuan Cancer Center, School of Medicine, University of Electronic Science and Technology of China, Chengdu, China
- Department of Dermatology, The Affiliated Hospital of Southwest Medical University, Luzhou, China
| | - Lihong Shi
- Department of Clinical Pharmacy, Sichuan Cancer Hospital & Institute, Sichuan Cancer Center, School of Medicine, University of Electronic Science and Technology of China, Chengdu, China
| | - Zhaodi Wang
- Department of Gynecology, People’s Hospital of Henan University, Henan Provincial People’s Hospital, Zhengzhou, China
| | - Jun Zeng
- Department of Clinical Pharmacy, Sichuan Cancer Hospital & Institute, Sichuan Cancer Center, School of Medicine, University of Electronic Science and Technology of China, Chengdu, China
| | - Yue Wang
- Department of Gynecology, People’s Hospital of Henan University, Henan Provincial People’s Hospital, Zhengzhou, China
| | - Hongtao Xiao
- Department of Clinical Pharmacy, Sichuan Cancer Hospital & Institute, Sichuan Cancer Center, School of Medicine, University of Electronic Science and Technology of China, Chengdu, China
| | - Yongxia Zhu
- Department of Clinical Pharmacy, Sichuan Cancer Hospital & Institute, Sichuan Cancer Center, School of Medicine, University of Electronic Science and Technology of China, Chengdu, China
- *Correspondence: Yongxia Zhu,
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