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Deni I, Stokes BH, Ward KE, Fairhurst KJ, Pasaje CFA, Yeo T, Akbar S, Park H, Muir R, Bick DS, Zhan W, Zhang H, Liu YJ, Ng CL, Kirkman LA, Almaliti J, Gould AE, Duffey M, O'Donoghue AJ, Uhlemann AC, Niles JC, da Fonseca PCA, Gerwick WH, Lin G, Bogyo M, Fidock DA. Mitigating the risk of antimalarial resistance via covalent dual-subunit inhibition of the Plasmodium proteasome. Cell Chem Biol 2023; 30:470-485.e6. [PMID: 36963402 PMCID: PMC10198959 DOI: 10.1016/j.chembiol.2023.03.002] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2022] [Revised: 02/10/2023] [Accepted: 03/02/2023] [Indexed: 03/26/2023]
Abstract
The Plasmodium falciparum proteasome constitutes a promising antimalarial target, with multiple chemotypes potently and selectively inhibiting parasite proliferation and synergizing with the first-line artemisinin drugs, including against artemisinin-resistant parasites. We compared resistance profiles of vinyl sulfone, epoxyketone, macrocyclic peptide, and asparagine ethylenediamine inhibitors and report that the vinyl sulfones were potent even against mutant parasites resistant to other proteasome inhibitors and did not readily select for resistance, particularly WLL that displays covalent and irreversible binding to the catalytic β2 and β5 proteasome subunits. We also observed instances of collateral hypersensitivity, whereby resistance to one inhibitor could sensitize parasites to distinct chemotypes. Proteasome selectivity was confirmed using CRISPR/Cas9-edited mutant and conditional knockdown parasites. Molecular modeling of proteasome mutations suggested spatial contraction of the β5 P1 binding pocket, compromising compound binding. Dual targeting of P. falciparum proteasome subunits using covalent inhibitors provides a potential strategy for restoring artemisinin activity and combating the spread of drug-resistant malaria.
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Affiliation(s)
- Ioanna Deni
- Center for Malaria Therapeutics and Antimicrobial Resistance and Department of Microbiology and Immunology, Columbia University Irving Medical Center, New York, NY, USA
| | - Barbara H Stokes
- Center for Malaria Therapeutics and Antimicrobial Resistance and Department of Microbiology and Immunology, Columbia University Irving Medical Center, New York, NY, USA
| | - Kurt E Ward
- Center for Malaria Therapeutics and Antimicrobial Resistance and Department of Microbiology and Immunology, Columbia University Irving Medical Center, New York, NY, USA
| | - Kate J Fairhurst
- Center for Malaria Therapeutics and Antimicrobial Resistance and Department of Microbiology and Immunology, Columbia University Irving Medical Center, New York, NY, USA
| | | | - Tomas Yeo
- Center for Malaria Therapeutics and Antimicrobial Resistance and Department of Microbiology and Immunology, Columbia University Irving Medical Center, New York, NY, USA
| | - Shirin Akbar
- School of Molecular Biosciences, University of Glasgow, Glasgow, Scotland, UK
| | - Heekuk Park
- Division of Infectious Diseases, Department of Medicine, Columbia University Irving Medical Center, New York, NY, USA
| | - Ryan Muir
- Department of Pathology, Stanford University School of Medicine, Stanford, CA, USA
| | - Daniella S Bick
- Center for Malaria Therapeutics and Antimicrobial Resistance and Department of Microbiology and Immunology, Columbia University Irving Medical Center, New York, NY, USA
| | - Wenhu Zhan
- Department of Microbiology and Immunology, Weill Cornell Medicine, New York, NY, USA
| | - Hao Zhang
- Department of Microbiology and Immunology, Weill Cornell Medicine, New York, NY, USA
| | - Yi Jing Liu
- Department of Microbiology and Immunology, Weill Cornell Medicine, New York, NY, USA
| | - Caroline L Ng
- Global Center for Health Security, University of Nebraska Medical Center, Omaha, NE, USA; Department of Biology, University of Nebraska Omaha, Omaha, NE, USA; Department of Pathology and Microbiology, University of Nebraska Medical Center, Omaha, NE, USA
| | - Laura A Kirkman
- Department of Microbiology and Immunology, Weill Cornell Medicine, New York, NY, USA; Division of Infectious Diseases, Department of Medicine, Weill Cornell Medicine, New York, NY
| | - Jehad Almaliti
- Scripps Institution of Oceanography, University of California San Diego, La Jolla, CA, USA; Department of Pharmaceutical Sciences, College of Pharmacy, The University of Jordan, Amman, Jordan
| | | | | | - Anthony J O'Donoghue
- Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California San Diego, La Jolla, CA, USA
| | - Anne-Catrin Uhlemann
- Division of Infectious Diseases, Department of Medicine, Columbia University Irving Medical Center, New York, NY, USA
| | - Jacquin C Niles
- Department of Biological Engineering, Massachusetts Institute of Technology, Cambridge, MA, USA
| | | | - William H Gerwick
- Scripps Institution of Oceanography, University of California San Diego, La Jolla, CA, USA; Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California San Diego, La Jolla, CA, USA
| | - Gang Lin
- Department of Microbiology and Immunology, Weill Cornell Medicine, New York, NY, USA
| | - Matthew Bogyo
- Department of Pathology, Stanford University School of Medicine, Stanford, CA, USA
| | - David A Fidock
- Center for Malaria Therapeutics and Antimicrobial Resistance and Department of Microbiology and Immunology, Columbia University Irving Medical Center, New York, NY, USA; Division of Infectious Diseases, Department of Medicine, Columbia University Irving Medical Center, New York, NY, USA.
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Ettari R, Zappalà M, Grasso S, Musolino C, Innao V, Allegra A. Immunoproteasome-selective and non-selective inhibitors: A promising approach for the treatment of multiple myeloma. Pharmacol Ther 2017; 182:176-192. [PMID: 28911826 DOI: 10.1016/j.pharmthera.2017.09.001] [Citation(s) in RCA: 65] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
The ubiquitin-proteasome system (UPS) is the major non-lysosomal proteolytic system for the degradation of abnormal or damaged proteins no longer required. The proteasome is involved in degradation of numerous proteins which regulate the cell cycle, indicating a role in controlling cell proliferation and maintaining cell survival. Defects in the UPS can lead to anarchic cell proliferation and to tumor development. For these reasons UPS inhibition has become a significant new strategy for drug development in cancer treatment. In addition to the constitutive proteasome, which is expressed in all cells and tissues, higher organisms such as vertebrates possess two immune-type proteasomes, the thymoproteasome and the immunoproteasome. The thymoproteasome is specifically expressed by thymic cortical epithelial cells and has a role in positive selection of CD8+ T cells, whereas the immunoproteasome is predominantly expressed in monocytes and lymphocytes and is responsible for the generation of antigenic peptides for cell-mediated immunity. Recent studies demonstrated that the immunoproteasome has a preservative role during oxidative stress and is up-regulated in a number of pathological disorders including cancer, inflammatory and autoimmune diseases. As a consequence, immunoproteasome-selective inhibitors are currently the focus of anticancer drug design. At present, the commercially available proteasome inhibitors bortezomib and carfilzomib which have been validated in multiple myeloma and other model systems, appear to target both the constitutive and immunoproteasomes, indiscriminately. This lack of specificity may, in part, explain some of the side effects of these agents, such as peripheral neuropathy and gastrointestinal effects, which may be due to targeting of the constitutive proteasome in these tissues. In contrast, by selectively inhibiting the immunoproteasome, it may be possible to maintain the antimyeloma and antilymphoma efficacy while reducing these toxicities, thereby increasing the therapeutic index. This review article will be focused on the discussion of the most promising immunoproteasome specific inhibitors which have been developed in recent years. Particular attention will be devoted to the description of their mechanism of action, their structure-activity relationship, and their potential application in therapy.
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Affiliation(s)
- Roberta Ettari
- Dipartimento di Scienze del Chimiche, Biologiche, Farmaceutiche ed Ambientali, Università degli Studi di Messina, Viale Annunziata, 98168 Messina, Italy
| | - Maria Zappalà
- Dipartimento di Scienze del Chimiche, Biologiche, Farmaceutiche ed Ambientali, Università degli Studi di Messina, Viale Annunziata, 98168 Messina, Italy
| | - Silvana Grasso
- Dipartimento di Scienze del Chimiche, Biologiche, Farmaceutiche ed Ambientali, Università degli Studi di Messina, Viale Annunziata, 98168 Messina, Italy
| | - Caterina Musolino
- Division of Hematology, Department of Patologia Umana dell'Adulto e dell'Età Evolutiva, University of Messina, Via Consolare Valeria, 90100 Messina, Italy
| | - Vanessa Innao
- Division of Hematology, Department of Patologia Umana dell'Adulto e dell'Età Evolutiva, University of Messina, Via Consolare Valeria, 90100 Messina, Italy
| | - Alessandro Allegra
- Division of Hematology, Department of Patologia Umana dell'Adulto e dell'Età Evolutiva, University of Messina, Via Consolare Valeria, 90100 Messina, Italy.
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LaMonte GM, Almaliti J, Bibo-Verdugo B, Keller L, Zou BY, Yang J, Antonova-Koch Y, Orjuela-Sanchez P, Boyle CA, Vigil E, Wang L, Goldgof GM, Gerwick L, O'Donoghue AJ, Winzeler EA, Gerwick WH, Ottilie S. Development of a Potent Inhibitor of the Plasmodium Proteasome with Reduced Mammalian Toxicity. J Med Chem 2017; 60:6721-6732. [PMID: 28696697 PMCID: PMC5554889 DOI: 10.1021/acs.jmedchem.7b00671] [Citation(s) in RCA: 58] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
![]()
Naturally derived chemical compounds
are the foundation of much
of our pharmacopeia, especially in antiproliferative and anti-infective
drug classes. Here, we report that a naturally derived molecule called
carmaphycin B is a potent inhibitor against both the asexual and sexual
blood stages of malaria infection. Using a combination of in silico
molecular docking and in vitro directed evolution in a well-characterized
drug-sensitive yeast model, we determined that these compounds target
the β5 subunit of the proteasome. These studies were validated
using in vitro inhibition assays with proteasomes isolated from Plasmodium falciparum. As carmaphycin B is toxic to mammalian
cells, we synthesized a series of chemical analogs that reduce host
cell toxicity while maintaining blood-stage and gametocytocidal antimalarial
activity and proteasome inhibition. This study describes a promising
new class of antimalarial compound based on the carmaphycin B scaffold,
as well as several chemical structural features that serve to enhance
antimalarial specificity.
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Affiliation(s)
- Gregory M LaMonte
- Department of Pediatrics, School of Medicine, University of California, San Diego , La Jolla, California 92093, United States
| | - Jehad Almaliti
- Scripps Institution of Oceanography, University of California, San Diego , La Jolla, California 92093, United States.,Department of Pharmaceutical Sciences, Faculty of Pharmacy, The University of Jordan , Amman 11942, Jordan
| | - Betsaida Bibo-Verdugo
- Skaggs School of Pharmacy and Pharmaceutical Sciences, Faculty of Pharmacy, and School of Medicine, University of California, San Diego , La Jolla, California 92093, United States
| | - Lena Keller
- Scripps Institution of Oceanography, University of California, San Diego , La Jolla, California 92093, United States
| | - Bing Yu Zou
- Department of Pediatrics, School of Medicine, University of California, San Diego , La Jolla, California 92093, United States
| | - Jennifer Yang
- Department of Pediatrics, School of Medicine, University of California, San Diego , La Jolla, California 92093, United States
| | - Yevgeniya Antonova-Koch
- Department of Pediatrics, School of Medicine, University of California, San Diego , La Jolla, California 92093, United States
| | - Pamela Orjuela-Sanchez
- Department of Pediatrics, School of Medicine, University of California, San Diego , La Jolla, California 92093, United States
| | - Colleen A Boyle
- Department of Pediatrics, School of Medicine, University of California, San Diego , La Jolla, California 92093, United States
| | - Edgar Vigil
- Department of Pediatrics, School of Medicine, University of California, San Diego , La Jolla, California 92093, United States
| | - Lawrence Wang
- Department of Pediatrics, School of Medicine, University of California, San Diego , La Jolla, California 92093, United States
| | - Gregory M Goldgof
- Department of Pediatrics, School of Medicine, University of California, San Diego , La Jolla, California 92093, United States
| | - Lena Gerwick
- Skaggs School of Pharmacy and Pharmaceutical Sciences, Faculty of Pharmacy, and School of Medicine, University of California, San Diego , La Jolla, California 92093, United States
| | - Anthony J O'Donoghue
- Skaggs School of Pharmacy and Pharmaceutical Sciences, Faculty of Pharmacy, and School of Medicine, University of California, San Diego , La Jolla, California 92093, United States
| | - Elizabeth A Winzeler
- Department of Pediatrics, School of Medicine, University of California, San Diego , La Jolla, California 92093, United States
| | - William H Gerwick
- Skaggs School of Pharmacy and Pharmaceutical Sciences, Faculty of Pharmacy, and School of Medicine, University of California, San Diego , La Jolla, California 92093, United States.,Scripps Institution of Oceanography, University of California, San Diego , La Jolla, California 92093, United States
| | - Sabine Ottilie
- Department of Pediatrics, School of Medicine, University of California, San Diego , La Jolla, California 92093, United States
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