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Eldeeb MA, Hohman G, Shahid M. Novel Approaches in Targeting Cell Surface and Secreted Proteins for Lysosomal Degradation. Chembiochem 2025; 26:e202400887. [PMID: 39714593 DOI: 10.1002/cbic.202400887] [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: 10/26/2024] [Revised: 12/01/2024] [Accepted: 12/03/2024] [Indexed: 12/24/2024]
Abstract
Protein degradation is pivotal for all biochemical aspects of cellular function. In mammalian cells, protein degradation is mediated mainly by the ubiquitin proteasome system (UPS) and the autophagic-lysosomal system (ALS). Over the last two decades, different types of targeted protein degradation approaches have been developed including proteolysis targeting chimeras (PROTACs) and lysosome targeting chimeras (LYTACs), which employ the UPS to degrade intracellular proteins and the ALS to degrade extracellular and membrane proteins respectively. Nevertheless, Current targeted membrane protein degradation approaches face some inherent challenges including limited target protein degradation efficacy and cell type specific applicability. Herein, we highlight some recent developments of novel targeted membrane protein degradation modalities that exhibit wide-applicability and high protein degradation efficiency. These novel membrane protein degraders hold tremendous promise as new pharmacological and biochemical tools in targeting membrane and secretory proteins for lysosomal degradation.
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Affiliation(s)
- Mohamed A Eldeeb
- Department of Chemistry, Illinois State University, Normal, Il, USA
| | - Grace Hohman
- Department of Chemistry, Illinois State University, Normal, Il, USA
| | - Michael Shahid
- Department of Chemistry, Illinois State University, Normal, Il, USA
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2
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Mao B, Tang B, Yu S, Ying J, Wu J, Lan L, Wang Y, Zan X, Zheng Q, Li J. A promising strategy for ocular noninvasive protein delivery: The case in treating corneal neovascularization. Acta Biomater 2025; 196:307-320. [PMID: 39921181 DOI: 10.1016/j.actbio.2025.02.006] [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: 10/22/2024] [Revised: 01/09/2025] [Accepted: 02/04/2025] [Indexed: 02/10/2025]
Abstract
Current clinical treatment of corneal neovascularization (CNV), a leading cause of visual impairment worldwide, by a class of glucocorticoids suffers from the ineffective and numerous adverse effects. Bevacizumab (Beva), an anti-neovascularization protein, is a promising therapeutic option but limited by subconjunctival injection due to its poor penetration across ocular bio-barriers, which significantly reduces patient compliance and increases the risk of infection. Herein, a CmA@Beva nanomedicine was developed, based on the co-assembly of novelly designed peptide, (Cysteine-Histidine-Arginine)3, with Beva in the presence of Zn2+. The conditions for the formation of CmA and encapsulation of Beva in CmA were optimized, and the pH-responsive release of Beva and the protective effects of CmA@Beva on Beva were explored. In vitro and in vivo studies showed CmA@Beva exhibited good biocompatibility and demonstrated notable improvements in Beva retention time in the anterior eye segment. CmA@Beva eye drops could overcome corneal bio-barriers by opening ocular surface tight junctions and the endocytosis-lysosomal escape pathway, which together resulted in a therapeutic outcome on rat CNV superior to subconjunctival injection. The present study contributes to the development of a noninvasive protein drug delivery strategy for the treatment of CNV or other diseases of the eye anterior segment. STATEMENT OF SIGNIFICANCE: Corneal neovascularization (CNV) has been recognized as the leading cause of vision impairment globally, affecting approximately 1.4 million people each year. Protein drugs have shown high specificity and low side effect in disease treatment compared to small molecule drugs. However, limited ability to cross ocular barriers remain a big challenge. Here, a nanomedicine (CmA@Beva) was employed to address this issue through exampling on an anti-neovascularization protein, bevacizumab (Beva). CmA@Beva enhances retention on the ocular surface and effectively delivers Beva across the epithelial barrier, and thus is much more effective than the commonly used subconjunctival injections used for treatment in the clinic. This may be a good strategy for non-invasive delivery of protein drugs for the treatment of anterior segment diseases.
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Affiliation(s)
- Bangxun Mao
- Department of Ophthalmology, The Fifth Affiliated Hospital of Wenzhou Medical University, Wenzhou Medical University, Lishui, 323000, China
| | - Bojiao Tang
- Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou Key Laboratory of Perioperative Medicine, Wenzhou, Zhejiang, 325001, China
| | - Songping Yu
- Department of Ophthalmology, The Fifth Affiliated Hospital of Wenzhou Medical University, Wenzhou Medical University, Lishui, 323000, China
| | - Jia Ying
- Department of Ophthalmology, The Fifth Affiliated Hospital of Wenzhou Medical University, Wenzhou Medical University, Lishui, 323000, China
| | - Jing Wu
- Department of Ophthalmology, The Fifth Affiliated Hospital of Wenzhou Medical University, Wenzhou Medical University, Lishui, 323000, China
| | - Lina Lan
- Department of Ophthalmology, The Fifth Affiliated Hospital of Wenzhou Medical University, Wenzhou Medical University, Lishui, 323000, China
| | - Yanfang Wang
- Department of Ophthalmology, The Fifth Affiliated Hospital of Wenzhou Medical University, Wenzhou Medical University, Lishui, 323000, China
| | - Xingjie Zan
- Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou Key Laboratory of Perioperative Medicine, Wenzhou, Zhejiang, 325001, China.
| | - Qinxiang Zheng
- Affiliated Ningbo Eye Hospital of Wenzhou Medical University, Ningbo, 315000, China.
| | - Jun Li
- Department of Ophthalmology, The Fifth Affiliated Hospital of Wenzhou Medical University, Wenzhou Medical University, Lishui, 323000, China.
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3
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Hohman G, Shahid M, Eldeeb M. Targeted degradation of membrane proteins. Nat Struct Mol Biol 2025; 32:2-4. [PMID: 39741225 DOI: 10.1038/s41594-024-01461-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2025]
Affiliation(s)
- Grace Hohman
- Department of Chemistry, Illinois State University, Normal, IL, USA
| | - Michael Shahid
- Department of Chemistry, Illinois State University, Normal, IL, USA
| | - Mohamed Eldeeb
- Department of Chemistry, Illinois State University, Normal, IL, USA.
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4
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Song J, Hu M, Zhou J, Xie S, Li T, Li Y. Targeted protein degradation in drug development: Recent advances and future challenges. Eur J Med Chem 2023; 261:115839. [PMID: 37778240 DOI: 10.1016/j.ejmech.2023.115839] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2023] [Revised: 09/12/2023] [Accepted: 09/26/2023] [Indexed: 10/03/2023]
Abstract
Targeted protein degradation (TPD) has emerged as a promising therapeutic approach with potential advantages over traditional occupancy-based inhibitors in terms of dosing, side effects and targeting "undruggable" proteins. Targeted degraders can theoretically bind any nook or cranny of targeted proteins to drive degradation. This offers convenience versus the small-molecule inhibitors that must function in a well-defined pocket. The degradation process depends mainly on two cell self-destruction mechanisms, namely the ubiquitin-proteasome system and the lysosomal degradation pathway. Various TPD strategies (e.g., proteolytic-targeting chimeras, molecular glues, lysosome-targeting chimeras, and autophagy-targeting chimeras) have been developed. These approaches hold great potential for targeting dysregulated proteins, potentially offering therapeutic benefits. In this article, we systematically review the mechanisms of various TPD strategies, potential applications to drug discovery, and recent advances. We also discuss the benefits and challenges associated with these TPD strategies, aiming to provide insight into the targeting of dysregulated proteins and facilitate their clinical applications.
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Affiliation(s)
- Jian Song
- Center for Cell Structure and Function, Shandong Provincial Key Laboratory of Animal Resistance Biology, Collaborative Innovation Center of Cell Biology in Universities of Shandong, College of Life Sciences, Shandong Normal University, Jinan, 250014, China
| | - Mingzheng Hu
- College of Life Sciences, State Key Laboratory of Medicinal Chemical Biology, Nankai University, Tianjin, 300071, China
| | - Jun Zhou
- Center for Cell Structure and Function, Shandong Provincial Key Laboratory of Animal Resistance Biology, Collaborative Innovation Center of Cell Biology in Universities of Shandong, College of Life Sciences, Shandong Normal University, Jinan, 250014, China; College of Life Sciences, State Key Laboratory of Medicinal Chemical Biology, Nankai University, Tianjin, 300071, China
| | - Songbo Xie
- Center for Cell Structure and Function, Shandong Provincial Key Laboratory of Animal Resistance Biology, Collaborative Innovation Center of Cell Biology in Universities of Shandong, College of Life Sciences, Shandong Normal University, Jinan, 250014, China; School of Life Sciences and Medicine, Shandong University of Technology, Zibo, 255000, China
| | - Tianliang Li
- Center for Cell Structure and Function, Shandong Provincial Key Laboratory of Animal Resistance Biology, Collaborative Innovation Center of Cell Biology in Universities of Shandong, College of Life Sciences, Shandong Normal University, Jinan, 250014, China.
| | - Yan Li
- Center for Cell Structure and Function, Shandong Provincial Key Laboratory of Animal Resistance Biology, Collaborative Innovation Center of Cell Biology in Universities of Shandong, College of Life Sciences, Shandong Normal University, Jinan, 250014, China.
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5
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Wang S, Yu H, Li L, Zhang M, Fu Y, Lin Z, Li J, Zhong F, Liu H, Wu Y. Fluorescent Turn-On Probes for Visualizing GPx4 Levels in Live Cells and Predicting Drug Sensitivity. Anal Chem 2023. [PMID: 37256969 DOI: 10.1021/acs.analchem.3c00864] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/02/2023]
Abstract
Glutathione peroxidase 4 (GPx4) is the membrane peroxidase in mammals that is essential for protecting cells against oxidative damage and critical for ferroptosis. However, no live cell probe is currently available to specifically label GPx4. Herein, we report both inhibitory and noninhibitory fluorescent turn-on probes for specific labeling of GPx4 in live cells. With these probes, the GPx4 expression levels and degradation kinetics in live cells could be visualized, and their real-time responses to the cellular selenium availability were revealed. These probes could also potentially serve as staining reagents to predict the sensitivity of GPx4-related ferroptosis drugs. In view of these features, these GPx4-selective probes will offer opportunities for a deeper understanding of GPx4 function in natural habitats and hold great promise for biomedical applications.
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Affiliation(s)
- Shuangshuang Wang
- Hubei Key Laboratory of Bioinorganic Chemistry and Materia Medica, Hubei Engineering Research Center for Biomaterials and Medical Protective Materials, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
| | - Huaibin Yu
- Hubei Key Laboratory of Bioinorganic Chemistry and Materia Medica, Hubei Engineering Research Center for Biomaterials and Medical Protective Materials, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
| | - Longjie Li
- School of Life Science and Technology, Wuhan Polytechnic University, Wuhan 430023, China
| | - Meizhou Zhang
- School of Life Science and Technology, Wuhan Polytechnic University, Wuhan 430023, China
| | - Yu Fu
- Hubei Key Laboratory of Bioinorganic Chemistry and Materia Medica, Hubei Engineering Research Center for Biomaterials and Medical Protective Materials, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
- College of Pharmacy, Shenzhen Technology University, Shenzhen 518118, China
| | - Zi'an Lin
- Hubei Key Laboratory of Bioinorganic Chemistry and Materia Medica, Hubei Engineering Research Center for Biomaterials and Medical Protective Materials, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
| | - Jinsheng Li
- Hubei Key Laboratory of Bioinorganic Chemistry and Materia Medica, Hubei Engineering Research Center for Biomaterials and Medical Protective Materials, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
| | - Fangrui Zhong
- Hubei Key Laboratory of Bioinorganic Chemistry and Materia Medica, Hubei Engineering Research Center for Biomaterials and Medical Protective Materials, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
| | - Hongmei Liu
- Hubei Key Laboratory of Bioinorganic Chemistry and Materia Medica, Hubei Engineering Research Center for Biomaterials and Medical Protective Materials, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
- Shenzhen Huazhong University of Science and Technology Research Institute, Shenzhen 518057, China
| | - Yuzhou Wu
- Hubei Key Laboratory of Bioinorganic Chemistry and Materia Medica, Hubei Engineering Research Center for Biomaterials and Medical Protective Materials, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
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Hardiany NS, Agusta I, Dewi S, Iswanti FC, Paramita R. Protein and Energy Supplements for the Elderly. Subcell Biochem 2023; 103:309-339. [PMID: 37120474 DOI: 10.1007/978-3-031-26576-1_14] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/01/2023]
Abstract
The proportion of elderly individuals is rising globally, and data have shown that as high as 8% of the elderly community suffer from malnutrition. Protein energy malnutrition has shown to elevate morbidity and mortality risk in the elderly; therefore, protein and energy supplement are needed for the elderly populations to create healthy conditions. This chapter describes about general structure of protein, protein turnover, amino acid metabolism including metabolism in the elderly, protein change in aging, supplementation of amino acid as well as vitamin and mineral for the elderly. The discussion in this section aims to provide a general description of protein, amino acids, changes in amino acid metabolism in the elderly, and the benefits of supplementing amino acids as well as vitamins and minerals for the elderly.
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Affiliation(s)
- Novi Silvia Hardiany
- Department of Biochemistry and Molecular Biology, Faculty of Medicine Universitas Indonesia, Jakarta, Indonesia.
- Center of Hypoxia and Oxidative Stress Studies, Faculty of Medicine Universitas Indonesia, Jakarta, Indonesia.
- Molecular Biology and Proteomic Core Facilities, Indonesia Medical Education and Research Institute, Faculty of Medicine Universitas Indonesia, Jakarta, Indonesia.
| | - Istiqomah Agusta
- Department of Biochemistry and Molecular Biology, Faculty of Medicine Universitas Indonesia, Jakarta, Indonesia
- Center of Hypoxia and Oxidative Stress Studies, Faculty of Medicine Universitas Indonesia, Jakarta, Indonesia
| | - Syarifah Dewi
- Department of Biochemistry and Molecular Biology, Faculty of Medicine Universitas Indonesia, Jakarta, Indonesia
- Center of Hypoxia and Oxidative Stress Studies, Faculty of Medicine Universitas Indonesia, Jakarta, Indonesia
| | - Febriana Catur Iswanti
- Department of Biochemistry and Molecular Biology, Faculty of Medicine Universitas Indonesia, Jakarta, Indonesia
- Center of Hypoxia and Oxidative Stress Studies, Faculty of Medicine Universitas Indonesia, Jakarta, Indonesia
- Molecular Biology and Proteomic Core Facilities, Indonesia Medical Education and Research Institute, Faculty of Medicine Universitas Indonesia, Jakarta, Indonesia
| | - Reni Paramita
- Department of Biochemistry and Molecular Biology, Faculty of Medicine Universitas Indonesia, Jakarta, Indonesia
- Center of Hypoxia and Oxidative Stress Studies, Faculty of Medicine Universitas Indonesia, Jakarta, Indonesia
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Fang Y, Wang J, Zhao M, Zheng Q, Ren C, Wang Y, Zhang J. Progress and Challenges in Targeted Protein Degradation for Neurodegenerative Disease Therapy. J Med Chem 2022; 65:11454-11477. [PMID: 36006861 DOI: 10.1021/acs.jmedchem.2c00844] [Citation(s) in RCA: 40] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Neurodegenerative diseases (NDs) are currently incurable diseases that cause progressive degeneration of nerve cells. Many of the disease-causing proteins of NDs are "undruggable" for traditional small-molecule inhibitors (SMIs). None of the compounds that attenuated the amyloid-β (Aβ) accumulation process have entered clinical practice, and many phase III clinical trials of SMIs for Alzheimer's disease (AD) have failed. In recent years, emerging targeted protein degradation (TPD) technologies such as proteolysis-targeting chimeras (PROTACs), lysosome-targeting chimaeras (LYTACs), and autophagy-targeting chimeras (AUTACs) with TPD-assistive technologies such as click-formed proteolysis-targeting chimeras (CLIPTACs) and deubiquitinase-targeting chimera (DUBTAC) have developed rapidly. In vitro and in vivo experiments have also confirmed that TPD technology can target the degradation of ND pathogenic proteins, bringing hope for the treatment of NDs. Herein, we review the latest TPD technologies, introduce their targets and technical characteristics, and discuss the emerging TPD technologies with potential in ND research, with the hope of providing a new perspective for the development of TPD technology in the NDs field.
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Affiliation(s)
- Yingxu Fang
- Joint Research Institution of Altitude Health, Department of Respiratory and Critical Care Medicine, State Key Laboratory of Biotherapy and Cancer Center, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu 610041, Sichuan, China.,Targeted Tracer Research and Development Laboratory, Institute of Respiratory Health, Frontiers Science Center for Disease-Related Molecular Network, West China Hospital, Sichuan University, Chengdu 610041, Sichuan, China
| | - Jiaxing Wang
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Tennessee Health Science Center, Memphis, Tennessee 38163, United States
| | - Min Zhao
- Joint Research Institution of Altitude Health, Department of Respiratory and Critical Care Medicine, State Key Laboratory of Biotherapy and Cancer Center, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu 610041, Sichuan, China.,Targeted Tracer Research and Development Laboratory, Institute of Respiratory Health, Frontiers Science Center for Disease-Related Molecular Network, West China Hospital, Sichuan University, Chengdu 610041, Sichuan, China.,Tianfu Jincheng Laboratory, Chengdu 610041, Sichuan, China
| | - Qinwen Zheng
- Joint Research Institution of Altitude Health, Department of Respiratory and Critical Care Medicine, State Key Laboratory of Biotherapy and Cancer Center, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu 610041, Sichuan, China
| | - Changyu Ren
- Department of Pharmacy, Chengdu Fifth People's Hospital, Chengdu 611130, Sichuan, China
| | - Yuxi Wang
- Joint Research Institution of Altitude Health, Department of Respiratory and Critical Care Medicine, State Key Laboratory of Biotherapy and Cancer Center, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu 610041, Sichuan, China.,Targeted Tracer Research and Development Laboratory, Institute of Respiratory Health, Frontiers Science Center for Disease-Related Molecular Network, West China Hospital, Sichuan University, Chengdu 610041, Sichuan, China.,Tianfu Jincheng Laboratory, Chengdu 610041, Sichuan, China
| | - Jifa Zhang
- Joint Research Institution of Altitude Health, Department of Respiratory and Critical Care Medicine, State Key Laboratory of Biotherapy and Cancer Center, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu 610041, Sichuan, China.,Targeted Tracer Research and Development Laboratory, Institute of Respiratory Health, Frontiers Science Center for Disease-Related Molecular Network, West China Hospital, Sichuan University, Chengdu 610041, Sichuan, China.,Tianfu Jincheng Laboratory, Chengdu 610041, Sichuan, China
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Wolska-Washer A, Smolewski P. Targeting Protein Degradation Pathways in Tumors: Focusing on their Role in Hematological Malignancies. Cancers (Basel) 2022; 14:3778. [PMID: 35954440 PMCID: PMC9367439 DOI: 10.3390/cancers14153778] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2022] [Revised: 07/12/2022] [Accepted: 07/26/2022] [Indexed: 02/01/2023] Open
Abstract
Cells must maintain their proteome homeostasis by balancing protein synthesis and degradation. This is facilitated by evolutionarily-conserved processes, including the unfolded protein response and the proteasome-based system of protein clearance, autophagy, and chaperone-mediated autophagy. In some hematological malignancies, including acute myeloid leukemia, misfolding or aggregation of the wild-type p53 tumor-suppressor renders cells unable to undergo apoptosis, even with an intact p53 DNA sequence. Moreover, blocking the proteasome pathway triggers lymphoma cell apoptosis. Extensive studies have led to the development of proteasome inhibitors, which have advanced into drugs (such as bortezomib) used in the treatment of certain hematological tumors, including multiple myeloma. New therapeutic options have been studied making use of the so-called proteolysis-targeting chimeras (PROTACs), that bind desired proteins with a linker that connects them to an E3 ubiquitin ligase, resulting in proteasomal-targeted degradation. This review examines the mechanisms of protein degradation in the cells of the hematopoietic system, explains the role of dysfunctional protein degradation in the pathogenesis of hematological malignancies, and discusses the current and future advances of therapies targeting these pathways, based on an extensive search of the articles and conference proceedings from 2005 to April 2022.
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Affiliation(s)
| | - Piotr Smolewski
- Department of Experimental Hematology, Medical University of Lodz, 93-510 Lodz, Poland;
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Abstract
AbstractThe druggable genome is limited by structural features that can be targeted by small molecules in disease-relevant proteins. While orthosteric and allosteric protein modulators have been well studied, they are limited to antagonistic/agonistic functions. This approach to protein modulation leaves many disease-relevant proteins as undruggable targets. Recently, protein-protein interaction modulation has emerged as a promising therapeutic field for previously undruggable protein targets. Molecular glues and heterobifunctional degraders such as PROTACs can facilitate protein interactions and bring the proteasome into proximity to induce targeted protein degradation. In this review, we discuss the function and rational design of molecular glues, heterobifunctional degraders, and hydrophobic tag degraders. We also review historic and novel molecular glues and targets and discuss the challenges and opportunities in this new therapeutic field.
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Li H, Dong J, Cai M, Xu Z, Cheng XD, Qin JJ. Protein degradation technology: a strategic paradigm shift in drug discovery. J Hematol Oncol 2021; 14:138. [PMID: 34488823 PMCID: PMC8419833 DOI: 10.1186/s13045-021-01146-7] [Citation(s) in RCA: 55] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2021] [Accepted: 08/24/2021] [Indexed: 01/10/2023] Open
Abstract
Targeting pathogenic proteins with small-molecule inhibitors (SMIs) has become a widely used strategy for treating malignant tumors. However, most intracellular proteins have been proven to be undruggable due to a lack of active sites, leading to a significant challenge in the design and development of SMIs. In recent years, the proteolysis-targeting chimeric technology and related emerging degradation technologies have provided additional approaches for targeting these undruggable proteins. These degradation technologies show a tendency of superiority over SMIs, including the rapid and continuous target consumption as well as the stronger pharmacological effects, being a hot topic in current research. This review mainly focuses on summarizing the development of protein degradation technologies in recent years. Their advantages, potential applications, and limitations are also discussed. We hope this review would shed light on the design, discovery, and clinical application of drugs associated with these degradation technologies.
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Affiliation(s)
- Haobin Li
- Zhejiang Provincial Research Center for Upper Gastrointestinal Tract Cancer, The Cancer Hospital of the University of Chinese Academy of Sciences (Zhejiang Cancer Hospital), Hangzhou, 310022 Zhejiang China
- Institute of Basic Medicine and Cancer (IBMC), Chinese Academy of Sciences, Hangzhou, 310018 Zhejiang China
- School of Pharmaceutical Sciences, Zhejiang Chinese Medical University, Hangzhou, 310053 China
| | - Jinyun Dong
- Zhejiang Provincial Research Center for Upper Gastrointestinal Tract Cancer, The Cancer Hospital of the University of Chinese Academy of Sciences (Zhejiang Cancer Hospital), Hangzhou, 310022 Zhejiang China
- Institute of Basic Medicine and Cancer (IBMC), Chinese Academy of Sciences, Hangzhou, 310018 Zhejiang China
| | - Maohua Cai
- Zhejiang Provincial Research Center for Upper Gastrointestinal Tract Cancer, The Cancer Hospital of the University of Chinese Academy of Sciences (Zhejiang Cancer Hospital), Hangzhou, 310022 Zhejiang China
- Institute of Basic Medicine and Cancer (IBMC), Chinese Academy of Sciences, Hangzhou, 310018 Zhejiang China
- School of Pharmaceutical Sciences, Zhejiang Chinese Medical University, Hangzhou, 310053 China
| | - Zhiyuan Xu
- Zhejiang Provincial Research Center for Upper Gastrointestinal Tract Cancer, The Cancer Hospital of the University of Chinese Academy of Sciences (Zhejiang Cancer Hospital), Hangzhou, 310022 Zhejiang China
- Institute of Basic Medicine and Cancer (IBMC), Chinese Academy of Sciences, Hangzhou, 310018 Zhejiang China
| | - Xiang-Dong Cheng
- Zhejiang Provincial Research Center for Upper Gastrointestinal Tract Cancer, The Cancer Hospital of the University of Chinese Academy of Sciences (Zhejiang Cancer Hospital), Hangzhou, 310022 Zhejiang China
- Institute of Basic Medicine and Cancer (IBMC), Chinese Academy of Sciences, Hangzhou, 310018 Zhejiang China
| | - Jiang-Jiang Qin
- Zhejiang Provincial Research Center for Upper Gastrointestinal Tract Cancer, The Cancer Hospital of the University of Chinese Academy of Sciences (Zhejiang Cancer Hospital), Hangzhou, 310022 Zhejiang China
- Institute of Basic Medicine and Cancer (IBMC), Chinese Academy of Sciences, Hangzhou, 310018 Zhejiang China
- School of Pharmaceutical Sciences, Zhejiang Chinese Medical University, Hangzhou, 310053 China
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