1
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He J, Nitsche C. Biocompatible Synthesis of Macrocyclic Thiazol(in)e Peptides. Chemistry 2024; 30:e202401716. [PMID: 38708622 DOI: 10.1002/chem.202401716] [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: 05/01/2024] [Revised: 05/04/2024] [Accepted: 05/06/2024] [Indexed: 05/07/2024]
Abstract
Macrocyclic peptides containing a thiazole or thiazoline in the backbone are considered privileged structures in both natural compounds and drug discovery, owing to their enhanced bioactivity, stability, and permeability. Here, we present the biocompatible synthesis of macrocyclic peptides from N-terminal cysteine and C-terminal nitrile. While the N-terminal cysteine is incorporated during solid-phase peptide synthesis, the C-terminal nitrile is introduced during cleavage with aminoacetonitrile, utilizing a cleavable benzotriazole linker. This method directly yields the fully functionalized linear peptide precursor. The biocompatible cyclization reaction occurs in buffer at physiological pH and room temperature. The resulting thiazoline heterocycle remains stable in buffer but hydrolyzes under acidic conditions. While such hydrolysis enables access to macrocyclic peptides with a complete amide backbone, mild oxidation of the thiazoline leads to the stable thiazole macrocyclic peptide. While conventional oxidation strategies involve metals, we developed a protocol simply relying on alkaline salt and air. Therefore, we offer a rapid and metal-free pathway to macrocyclic thiazole peptides, featuring a biocompatible key cyclization step.
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Affiliation(s)
- Junming He
- Research School of Chemistry, Australian National University, Canberra, ACT 2601, Australia
| | - Christoph Nitsche
- Research School of Chemistry, Australian National University, Canberra, ACT 2601, Australia
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2
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Dey G, Sinai-Turyansky R, Yakobovich E, Merquiol E, Loboda J, Sridharan N, Houri-Haddad Y, Polak D, Yona S, Turk D, Wald O, Blum G. Development and Application of Reversible and Irreversible Covalent Probes for Human and Mouse Cathepsin-K Activity Detection, Revealing Nuclear Activity. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2024:e2401518. [PMID: 38970171 DOI: 10.1002/advs.202401518] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/11/2024] [Revised: 05/30/2024] [Indexed: 07/08/2024]
Abstract
Cathepsin-K (CTSK) is an osteoclast-secreted cysteine protease that efficiently cleaves extracellular matrices and promotes bone homeostasis and remodeling, making it an excellent therapeutic target. Detection of CTSK activity in complex biological samples using tailored tools such as activity-based probes (ABPs) will aid tremendously in drug development. Here, potent and selective CTSK probes are designed and created, comparing irreversible and reversible covalent ABPs with improved recognition components and electrophiles. The newly developed CTSK ABPs precisely detect active CTSK in mouse and human cells and tissues, from diseased and healthy states such as inflamed tooth implants, osteoclasts, and lung samples, indicating changes in CTSK's activity in the pathological samples. These probes are used to study how acidic pH stimulates mature CTSK activation, specifically, its transition from pro-form to mature form. Furthermore, this study reveals for the first time, why intact cells and cell lysate exhibit diverse CTSK activity while having equal levels of mature CTSK enzyme. Interestingly, these tools enabled the discovery of active CTSK in human osteoclast nuclei and in the nucleoli. Altogether, these novel probes are excellent research tools and can be applied in vivo to examine CTSK activity and inhibition in diverse diseases without immunogenicity hazards.
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Affiliation(s)
- Gourab Dey
- The Institute for Drug Research, The School of Pharmacy, The Faculty of Medicine, The Hebrew University of Jerusalem, Jerusalem, 9112001, Israel
| | - Reut Sinai-Turyansky
- The Institute for Drug Research, The School of Pharmacy, The Faculty of Medicine, The Hebrew University of Jerusalem, Jerusalem, 9112001, Israel
| | - Evalyn Yakobovich
- The Institute for Drug Research, The School of Pharmacy, The Faculty of Medicine, The Hebrew University of Jerusalem, Jerusalem, 9112001, Israel
| | - Emmanuelle Merquiol
- The Institute for Drug Research, The School of Pharmacy, The Faculty of Medicine, The Hebrew University of Jerusalem, Jerusalem, 9112001, Israel
| | - Jure Loboda
- Department of Biochemistry, Molecular and Structural Biology, J. Stefan Institute, Ljubljana, SI-1000, Slovenia
| | - Nikhila Sridharan
- The Institute of Biomedical and Oral Research, The Faculty of Dental Medicine, The Hebrew University of Jerusalem, Jerusalem, 9112001, Israel
| | - Yael Houri-Haddad
- Department of Prosthodontics, The Faculty of Dental Medicine, The Hebrew University of Jerusalem, Jerusalem, 9112001, Israel
| | - David Polak
- Department of Prosthodontics, The Faculty of Dental Medicine, The Hebrew University of Jerusalem, Jerusalem, 9112001, Israel
| | - Simon Yona
- The Institute of Biomedical and Oral Research, The Faculty of Dental Medicine, The Hebrew University of Jerusalem, Jerusalem, 9112001, Israel
| | - Dusan Turk
- Department of Biochemistry, Molecular and Structural Biology, J. Stefan Institute, Ljubljana, SI-1000, Slovenia
| | - Ori Wald
- Department of Cardiothoracic Surgery, Hadassah Hebrew University Medical Center, The Faculty of Medicine, The Hebrew University of Jerusalem, Jerusalem, 9112001, Israel
| | - Galia Blum
- The Institute for Drug Research, The School of Pharmacy, The Faculty of Medicine, The Hebrew University of Jerusalem, Jerusalem, 9112001, Israel
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3
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Lian L, Sun H, Wang J, Li W, Sheng Y, Gong X, Sun Q, Wang P, Zheng Y, Song H. Identification of the interaction between MAPK1 and Eimeria acervulina serine protease inhibitor: a preliminary functional study. Acta Biochim Biophys Sin (Shanghai) 2024. [PMID: 38946425 DOI: 10.3724/abbs.2024095] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/02/2024] Open
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4
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Wang LL, Tuohy S, Xu KL, Nace A, Yang R, Zheng Y, Burdick JA, Cotsarelis G. Local and Sustained Baricitinib Delivery to the Skin through Injectable Hydrogels Containing Reversible Thioimidate Adducts. Adv Healthc Mater 2024; 13:e2303256. [PMID: 38207170 PMCID: PMC11076163 DOI: 10.1002/adhm.202303256] [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: 09/25/2023] [Revised: 11/30/2023] [Indexed: 01/13/2024]
Abstract
Janus kinase (JAK) inhibitors are approved for many dermatologic disorders, but their use is limited by systemic toxicities including serious cardiovascular events and malignancy. To overcome these limitations, injectable hydrogels are engineered for the local and sustained delivery of baricitinib, a representative JAK inhibitor. Hydrogels are formed via disulfide crosslinking of thiolated hyaluronic acid macromers. Dynamic thioimidate bonds are introduced between the thiolated hyaluronic acid and nitrile-containing baricitinib for drug tethering, which is confirmed with 1H and 13C nuclear magnetic resonance (NMR). Release of baricitinib is tunable over six weeks in vitro and active in inhibiting JAK signaling in a cell line containing a luciferase reporter reflecting interferon signaling. For in vivo activity, baricitinib hydrogels or controls are injected intradermally into an imiquimod-induced mouse model of psoriasis. Imiquimod increases epidermal thickness in mice, which is unaffected when treated with baricitinib or hydrogel alone. Treatment with baricitinib hydrogels suppresses the increased epidermal thickness in mice treated with imiquimod, suggesting that the sustained and local release of baricitinib is important for a therapeutic outcome. This study is the first to utilize a thioimidate chemistry to deliver JAK inhibitors to the skin through injectable hydrogels, which has translational potential for treating inflammatory disorders.
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Affiliation(s)
- Leo L. Wang
- Department of Dermatology, Perelman School of Medicine, University of Pennsylvania
| | - Spencer Tuohy
- Department of Dermatology, Perelman School of Medicine, University of Pennsylvania
- Department of Bioengineering, School of Engineering and Applied Science, University of Pennsylvania
| | - Karen L. Xu
- Department of Bioengineering, School of Engineering and Applied Science, University of Pennsylvania
- BioFrontiers Institute and Department of Chemical and Biological Engineering, College of Engineering and Applied Science, University of Colorado Boulder
| | - Arben Nace
- Department of Dermatology, Perelman School of Medicine, University of Pennsylvania
| | - Ruifeng Yang
- Department of Dermatology, Perelman School of Medicine, University of Pennsylvania
| | - Ying Zheng
- Department of Dermatology, Perelman School of Medicine, University of Pennsylvania
| | - Jason A. Burdick
- Department of Bioengineering, School of Engineering and Applied Science, University of Pennsylvania
- BioFrontiers Institute and Department of Chemical and Biological Engineering, College of Engineering and Applied Science, University of Colorado Boulder
| | - George Cotsarelis
- Department of Dermatology, Perelman School of Medicine, University of Pennsylvania
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5
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Borges PHO, Ferreira SB, Silva FP. Recent Advances on Targeting Proteases for Antiviral Development. Viruses 2024; 16:366. [PMID: 38543732 PMCID: PMC10976044 DOI: 10.3390/v16030366] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2024] [Revised: 02/21/2024] [Accepted: 02/24/2024] [Indexed: 05/23/2024] Open
Abstract
Viral proteases are an important target for drug development, since they can modulate vital pathways in viral replication, maturation, assembly and cell entry. With the (re)appearance of several new viruses responsible for causing diseases in humans, like the West Nile virus (WNV) and the recent severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), understanding the mechanisms behind blocking viral protease's function is pivotal for the development of new antiviral drugs and therapeutical strategies. Apart from directly inhibiting the target protease, usually by targeting its active site, several new pathways have been explored to impair its activity, such as inducing protein aggregation, targeting allosteric sites or by inducing protein degradation by cellular proteasomes, which can be extremely valuable when considering the emerging drug-resistant strains. In this review, we aim to discuss the recent advances on a broad range of viral proteases inhibitors, therapies and molecular approaches for protein inactivation or degradation, giving an insight on different possible strategies against this important class of antiviral target.
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Affiliation(s)
- Pedro Henrique Oliveira Borges
- Laboratory of Organic Synthesis and Biological Prospecting, Chemistry Institute, Federal University of Rio de Janeiro, Rio de Janeiro 21941-909, Brazil;
- Laboratory of Experimental and Computational Biochemistry of Drugs, Oswaldo Cruz Institute, Fiocruz, Rio de Janeiro 21040-900, Brazil
| | - Sabrina Baptista Ferreira
- Laboratory of Organic Synthesis and Biological Prospecting, Chemistry Institute, Federal University of Rio de Janeiro, Rio de Janeiro 21941-909, Brazil;
| | - Floriano Paes Silva
- Laboratory of Experimental and Computational Biochemistry of Drugs, Oswaldo Cruz Institute, Fiocruz, Rio de Janeiro 21040-900, Brazil
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6
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Anderton AS, Knowles OJ, Rossi-Ashton JA, Procter DJ. Flavin-Mediated Photocatalysis Provides a General Platform for Sulfide C-H Functionalization. ACS Catal 2024; 14:2395-2401. [PMID: 38384945 PMCID: PMC10877610 DOI: 10.1021/acscatal.3c05785] [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: 11/28/2023] [Revised: 01/16/2024] [Accepted: 01/17/2024] [Indexed: 02/23/2024]
Abstract
Functionalized sulfides are important in many areas of science, ranging from chemical biology through drug discovery to organic materials chemistry. Sulfides bearing pendant reactive groups in the α-position are particularly useful; however, methods for the selective valorization of simple sulfides or the late-stage functionalization of complex sulfides by the convenient addition of valuable functionality are underexplored. Here we exemplify a general reaction platform for sulfide functionalization by showcasing three modes of α-sulfur C-H functionalization; cyanation, alkenylation, and alkynylation. Using inexpensive and commercially available riboflavin tetraacetate and visible light, decoration of both feedstock and complex sulfides proceeds in a good yield and with high selectivity. Methionine-containing peptides can also be selectively functionalized and a tolerance screen using amino-acid dopants suggests that the platform is compatible with most amino-acid side chains and thus is a potential tool for bioconjugation.
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Affiliation(s)
| | | | - James A. Rossi-Ashton
- Department of Chemistry, University
of Manchester, Oxford Road, Manchester M13 9PL, U.K.
| | - David J. Procter
- Department of Chemistry, University
of Manchester, Oxford Road, Manchester M13 9PL, U.K.
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7
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Prates JLB, Lopes JR, Chin CM, Ferreira EI, Dos Santos JL, Scarim CB. Discovery of Novel Inhibitors of Cruzain Cysteine Protease of Trypanosoma cruzi. Curr Med Chem 2024; 31:2285-2308. [PMID: 37888814 DOI: 10.2174/0109298673254864230921090519] [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: 04/06/2023] [Revised: 07/11/2023] [Accepted: 08/15/2023] [Indexed: 10/28/2023]
Abstract
Chagas disease (CD) is a parasitic disease endemic in several developing countries. According to the World Health Organization, approximately 6-8 million people worldwide are inflicted by CD. The scarcity of new drugs, mainly for the chronic phase, is the main reason for treatment limitation in CD. Therefore, there is an urgent need to discover new targets for which new therapeutical agents could be developed. Cruzain cysteine protease (CCP) is a promising alternative because this enzyme exhibits pleiotropic effects by acting as a virulence factor, modulating host immune cells, and interacting with host cells. This systematic review was conducted to discover new compounds that act as cruzain inhibitors, and their effects in vitro were studied through enzymatic assays and molecular docking. Additionally, the advances and perspectives of these inhibitors are discussed. These findings are expected to contribute to medicinal chemistry in view of the design of new, safe, and efficacious inhibitors against Trypanosoma cruzi CCP detected in the last decade (2013-2022) to provide scaffolds for further optimization, aiming toward the discovery of new drugs.
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Affiliation(s)
- João Lucas Bruno Prates
- Department of Drugs and Medicine, School of Pharmaceutical Sciences, São Paulo State University (UNESP), Araraquara, SP, Brazil
- Chemistry Institute Araraquara, São Paulo State University (UNESP), SP, Brazil
| | - Juliana Romano Lopes
- Department of Drugs and Medicine, School of Pharmaceutical Sciences, São Paulo State University (UNESP), Araraquara, SP, Brazil
| | - Chung Man Chin
- Department of Drugs and Medicine, School of Pharmaceutical Sciences, São Paulo State University (UNESP), Araraquara, SP, Brazil
- Union of the Colleges of the Great Lakes (UNILAGO), School of Medicine, Advanced Research Center in Medicine, São José do Rio Preto, SP, Brazil
| | - Elizabeth Igne Ferreira
- LAPEN-Laboratory of Design and Synthesis of Chemotherapeutic Agents Potentially Active on Neglected Diseases, Department of Pharmacy, School of Pharmaceutical Sciences, University of São Paulo (USP), São Paulo, SP, Brazil
| | - Jean Leandro Dos Santos
- Department of Drugs and Medicine, School of Pharmaceutical Sciences, São Paulo State University (UNESP), Araraquara, SP, Brazil
- Chemistry Institute Araraquara, São Paulo State University (UNESP), SP, Brazil
| | - Cauê Benito Scarim
- Department of Drugs and Medicine, School of Pharmaceutical Sciences, São Paulo State University (UNESP), Araraquara, SP, Brazil
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8
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Feral A, Martin AR, Desfoux A, Amblard M, Vezenkov LL. Covalent-reversible peptide-based protease inhibitors. Design, synthesis, and clinical success stories. Amino Acids 2023; 55:1775-1800. [PMID: 37330416 DOI: 10.1007/s00726-023-03286-1] [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: 03/30/2023] [Accepted: 05/22/2023] [Indexed: 06/19/2023]
Abstract
Dysregulated human peptidases are implicated in a large variety of diseases such as cancer, hypertension, and neurodegeneration. Viral proteases for their part are crucial for the pathogens' maturation and assembly. Several decades of research were devoted to exploring these precious therapeutic targets, often addressing them with synthetic substrate-based inhibitors to elucidate their biological roles and develop medications. The rational design of peptide-based inhibitors offered a rapid pathway to obtain a variety of research tools and drug candidates. Non-covalent modifiers were historically the first choice for protease inhibition due to their reversible enzyme binding mode and thus presumably safer profile. However, in recent years, covalent-irreversible inhibitors are having a resurgence with dramatic increase of their related publications, preclinical and clinical trials, and FDA-approved drugs. Depending on the context, covalent modifiers could provide more effective and selective drug candidates, hence requiring lower doses, thereby limiting off-target effects. Additionally, such molecules seem more suitable to tackle the crucial issue of cancer and viral drug resistances. At the frontier of reversible and irreversible based inhibitors, a new drug class, the covalent-reversible peptide-based inhibitors, has emerged with the FDA approval of Bortezomib in 2003, shortly followed by 4 other listings to date. The highlight in the field is the breathtakingly fast development of the first oral COVID-19 medication, Nirmatrelvir. Covalent-reversible inhibitors can hipothetically provide the safety of the reversible modifiers combined with the high potency and specificity of their irreversible counterparts. Herein, we will present the main groups of covalent-reversible peptide-based inhibitors, focusing on their design, synthesis, and successful drug development programs.
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Affiliation(s)
- Anthony Feral
- IBMM, University Montpellier, CNRS, ENSCM, Montpellier, France
| | | | | | - Muriel Amblard
- IBMM, University Montpellier, CNRS, ENSCM, Montpellier, France
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9
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Martinelli M, Giorgiutti C, Fessard T, Lefebvre Q. Introducing covalent warheads on spirocyclic sp 2-sp 3 fragments by innate C-H functionalization. Org Biomol Chem 2023; 21:9230-9235. [PMID: 37965862 DOI: 10.1039/d3ob01746j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2023]
Abstract
Sp2-sp3 fragments play a vital role in fragment-based drug design (FBDD). Strategies to chemically modify them and efficiently access libraries of these compounds have been goals of the highest priority in the last decades. In this work, a series of sp2-sp3 fragments was synthesized and validated for that purpose, based on their measured physical-chemical properties. Selective C-H cyanation and allylation of these fragments was demonstrated by simple heating in presence of an appropriate hydrogen-atom transfer reagent and a radical acceptor. These conditions enabled a streamlined access to covalent fragments in a single step, by direct introduction of the desired covalent binder. Preliminary results on vinylation, as well as late-stage functionalization of a drug analogue were disclosed.
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Affiliation(s)
- Matteo Martinelli
- Department of Chemistry, University of Pavia, Viale Taramelli, Pavia 27100, Italy
- SpiroChem AG, Mattenstrasse 22, 4058 Basel, Switzerland.
| | | | - Thomas Fessard
- SpiroChem AG, Mattenstrasse 22, 4058 Basel, Switzerland.
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10
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Tan B, Sacco M, Tan H, Li K, Joyce R, Zhang X, Chen Y, Wang J. Exploring diverse reactive warheads for the design of SARS-CoV-2 main protease inhibitors. Eur J Med Chem 2023; 259:115667. [PMID: 37482021 PMCID: PMC10529912 DOI: 10.1016/j.ejmech.2023.115667] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2023] [Revised: 07/15/2023] [Accepted: 07/17/2023] [Indexed: 07/25/2023]
Abstract
SARS-CoV-2 main protease (Mpro) is a validated antiviral drug target of nirmatrelvir, the active ingredient in Pfizer's oral drug Paxlovid. Drug-drug interactions limit the use of Paxlovid. In addition, drug-resistant Mpro mutants against nirmatrelvir have been identified from cell culture viral passage and naturally occurring variants. As such, there is a need for a second generation of Mpro inhibitors. In this study, we explored several reactive warheads in the design of Mpro inhibitors. We identified Jun11119R (vinyl sulfonamide warhead), Jun10221R (propiolamide warhead), Jun1112R (4-chlorobut-2-ynamide warhead), Jun10541R (nitrile warhead), and Jun10963R (dually activated nitrile warhead) as potent Mpro inhibitors. Jun10541R and Jun10963R also had potent antiviral activity against SARS-CoV-2 in Calu-3 cells with EC50 values of 2.92 and 6.47 μM, respectively. X-ray crystal structures of Mpro with Jun10541R and Jun10221 revealed covalent modification of Cys145. These Mpro inhibitors with diverse reactive warheads collectively represent promising candidates for further development.
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Affiliation(s)
- Bin Tan
- Department of Medicinal Chemistry, Ernest Mario School of Pharmacy, Rutgers, The State University of New Jersey, Piscataway, NJ, 08854, United States
| | - Michael Sacco
- Department of Molecular Medicine, Morsani College of Medicine, University of South Florida, Tampa, FL, 33612, United States
| | - Haozhou Tan
- Department of Medicinal Chemistry, Ernest Mario School of Pharmacy, Rutgers, The State University of New Jersey, Piscataway, NJ, 08854, United States
| | - Kan Li
- Department of Medicinal Chemistry, Ernest Mario School of Pharmacy, Rutgers, The State University of New Jersey, Piscataway, NJ, 08854, United States
| | - Ryan Joyce
- Department of Medicinal Chemistry, Ernest Mario School of Pharmacy, Rutgers, The State University of New Jersey, Piscataway, NJ, 08854, United States
| | - Xiujun Zhang
- Department of Molecular Medicine, Morsani College of Medicine, University of South Florida, Tampa, FL, 33612, United States
| | - Yu Chen
- Department of Molecular Medicine, Morsani College of Medicine, University of South Florida, Tampa, FL, 33612, United States
| | - Jun Wang
- Department of Medicinal Chemistry, Ernest Mario School of Pharmacy, Rutgers, The State University of New Jersey, Piscataway, NJ, 08854, United States.
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11
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Abdoli M, Krasniqi V, Bonardi A, Gütschow M, Supuran CT, Žalubovskis R. 4-Cyanamido-substituted benzenesulfonamides act as dual carbonic anhydrase and cathepsin inhibitors. Bioorg Chem 2023; 139:106725. [PMID: 37442043 DOI: 10.1016/j.bioorg.2023.106725] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2023] [Revised: 06/28/2023] [Accepted: 07/07/2023] [Indexed: 07/15/2023]
Abstract
A set of novel N-cyano-N-substituted 4-aminobenzenesulfonamide derivatives were synthesized and investigated for their inhibitory activity against four cytosolic carbonic anhydrase (CA, EC 4.2.1.1) isoforms (hCA I, II, VII and XIII) and two cathepsins (S and B). N-alkyl/benzyl-substituted derivatives were revealed to be very potent inhibitors against brain-associated hCA VII, but inactive against both cathepsins. On the other hand, N-acyl-substituted derivatives displayed significant inhibitory activities against cathepsin S, but only moderate to poor inhibitory potency against hCA VII. Both hCA VII and cathepsin S have recently been validated as therapeutic targets in neuropathic pain. This study provided an excellent starting point for further structural optimization of this class of bifunctional compounds to enhance their inhibitory activity and selectivity against hCA VII and cathepsin S and to achieve new compounds with an attractive dual mechanism of action as anti-neuropathic agents.
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Affiliation(s)
- Morteza Abdoli
- Institute of Technology of Organic Chemistry, Faculty of Materials Science and Applied Chemistry, Riga Technical University, Riga, Latvia
| | - Vesa Krasniqi
- Pharmaceutical Institute, Pharmaceutical & Medicinal Chemistry University of Bonn, An der Immenburg 4, 53121 Bonn, Germany
| | - Alessandro Bonardi
- Neurofarba Department, Universita Degli Studi di Firenze, Florence, Italy
| | - Michael Gütschow
- Pharmaceutical Institute, Pharmaceutical & Medicinal Chemistry University of Bonn, An der Immenburg 4, 53121 Bonn, Germany.
| | - Claudiu T Supuran
- Neurofarba Department, Universita Degli Studi di Firenze, Florence, Italy.
| | - Raivis Žalubovskis
- Institute of Technology of Organic Chemistry, Faculty of Materials Science and Applied Chemistry, Riga Technical University, Riga, Latvia; Latvian Institute of Organic Synthesis, Riga, Latvia.
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12
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Silva JV, Sueyoshi S, Snape TJ, Lal S, Giarolla J. Pteridine reductase (PTR1): initial structure-activity relationships studies of potential leishmanicidal arylindole derivatives compounds. SAR AND QSAR IN ENVIRONMENTAL RESEARCH 2023; 34:661-687. [PMID: 37606690 DOI: 10.1080/1062936x.2023.2247331] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/07/2023] [Accepted: 07/08/2023] [Indexed: 08/23/2023]
Abstract
Leishmaniasis is a public health concern, especially in Brazil and India. The drugs available for therapy are old, cause toxicity and have reports of resistance. Therefore, this paper aimed to carry out initial structure-activity relationships (applying molecular docking and dynamic simulations) of arylindole scaffolds against the pteridine reductase (PTR1), which is essential target for the survival of the parasite. Thus, we used a series of 43 arylindole derivatives as a privileged skeleton, which have been evaluated previously for different biological actions. Compound 7 stood out among its analogues presenting the best results of average number of interactions with binding site (2.00) and catalytic triad (1.00). Additionally, the same compound presented the best binding free energy (-32.33 kcal/mol) in dynamic simulations. Furthermore, with computational studies, it was possible to comprehend and discuss the influences of the substituent sizes, positions of substitutions in the aromatic ring and electronic influences. Therefore, this study can be a starting point for the structural improvements needed to obtain a good leishmanicidal drug.
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Affiliation(s)
- J V Silva
- Department of Pharmacy, School of Pharmaceutical Sciences, University of São Paulo, São Paulo, Brazil
| | - S Sueyoshi
- Department of Pharmacy, School of Pharmaceutical Sciences, University of São Paulo, São Paulo, Brazil
| | - T J Snape
- Leicester School of Pharmacy, De Montfort University, Leicester, UK
| | - S Lal
- Amity Institute of Pharmacy, Amity University, Gurugram, India
| | - J Giarolla
- Department of Pharmacy, School of Pharmaceutical Sciences, University of São Paulo, São Paulo, Brazil
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13
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Müller P, Meta M, Meidner JL, Schwickert M, Meyr J, Schwickert K, Kersten C, Zimmer C, Hammerschmidt SJ, Frey A, Lahu A, de la Hoz-Rodríguez S, Agost-Beltrán L, Rodríguez S, Diemer K, Neumann W, Gonzàlez FV, Engels B, Schirmeister T. Investigation of the Compatibility between Warheads and Peptidomimetic Sequences of Protease Inhibitors-A Comprehensive Reactivity and Selectivity Study. Int J Mol Sci 2023; 24:ijms24087226. [PMID: 37108388 PMCID: PMC10138721 DOI: 10.3390/ijms24087226] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2023] [Revised: 04/06/2023] [Accepted: 04/10/2023] [Indexed: 04/29/2023] Open
Abstract
Covalent peptidomimetic protease inhibitors have gained a lot of attention in drug development in recent years. They are designed to covalently bind the catalytically active amino acids through electrophilic groups called warheads. Covalent inhibition has an advantage in terms of pharmacodynamic properties but can also bear toxicity risks due to non-selective off-target protein binding. Therefore, the right combination of a reactive warhead with a well-suited peptidomimetic sequence is of great importance. Herein, the selectivities of well-known warheads combined with peptidomimetic sequences suited for five different proteases were investigated, highlighting the impact of both structure parts (warhead and peptidomimetic sequence) for affinity and selectivity. Molecular docking gave insights into the predicted binding modes of the inhibitors inside the binding pockets of the different enzymes. Moreover, the warheads were investigated by NMR and LC-MS reactivity assays against serine/threonine and cysteine nucleophile models, as well as by quantum mechanics simulations.
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Affiliation(s)
- Patrick Müller
- Institute of Pharmaceutical and Biomedical Sciences, Johannes Gutenberg University Mainz, Staudinger Weg 5, D-55128 Mainz, Germany
| | - Mergim Meta
- Institute of Pharmaceutical and Biomedical Sciences, Johannes Gutenberg University Mainz, Staudinger Weg 5, D-55128 Mainz, Germany
| | - Jan Laurenz Meidner
- Institute of Pharmaceutical and Biomedical Sciences, Johannes Gutenberg University Mainz, Staudinger Weg 5, D-55128 Mainz, Germany
| | - Marvin Schwickert
- Institute of Pharmaceutical and Biomedical Sciences, Johannes Gutenberg University Mainz, Staudinger Weg 5, D-55128 Mainz, Germany
| | - Jessica Meyr
- Institute of Physical and Theoretical Chemistry, Julius-Maximilians-University of Wuerzburg, Emil-Fischer-Straße 42 Süd, D-97074 Wuerzburg, Germany
| | - Kevin Schwickert
- Institute of Pharmaceutical and Biomedical Sciences, Johannes Gutenberg University Mainz, Staudinger Weg 5, D-55128 Mainz, Germany
| | - Christian Kersten
- Institute of Pharmaceutical and Biomedical Sciences, Johannes Gutenberg University Mainz, Staudinger Weg 5, D-55128 Mainz, Germany
| | - Collin Zimmer
- Institute of Pharmaceutical and Biomedical Sciences, Johannes Gutenberg University Mainz, Staudinger Weg 5, D-55128 Mainz, Germany
| | - Stefan Josef Hammerschmidt
- Institute of Pharmaceutical and Biomedical Sciences, Johannes Gutenberg University Mainz, Staudinger Weg 5, D-55128 Mainz, Germany
| | - Ariane Frey
- Institute of Pharmaceutical and Biomedical Sciences, Johannes Gutenberg University Mainz, Staudinger Weg 5, D-55128 Mainz, Germany
| | - Albin Lahu
- Institute of Pharmaceutical and Biomedical Sciences, Johannes Gutenberg University Mainz, Staudinger Weg 5, D-55128 Mainz, Germany
| | | | - Laura Agost-Beltrán
- Departament de Química Inorgànica i Orgànica, Universitat Jaume I, 12080 Castelló de la Pana, Spain
| | - Santiago Rodríguez
- Departament de Química Inorgànica i Orgànica, Universitat Jaume I, 12080 Castelló de la Pana, Spain
| | - Kira Diemer
- Institute of Physical and Theoretical Chemistry, Julius-Maximilians-University of Wuerzburg, Emil-Fischer-Straße 42 Süd, D-97074 Wuerzburg, Germany
| | - Wilhelm Neumann
- Institute of Physical and Theoretical Chemistry, Julius-Maximilians-University of Wuerzburg, Emil-Fischer-Straße 42 Süd, D-97074 Wuerzburg, Germany
| | - Florenci V Gonzàlez
- Departament de Química Inorgànica i Orgànica, Universitat Jaume I, 12080 Castelló de la Pana, Spain
| | - Bernd Engels
- Institute of Physical and Theoretical Chemistry, Julius-Maximilians-University of Wuerzburg, Emil-Fischer-Straße 42 Süd, D-97074 Wuerzburg, Germany
| | - Tanja Schirmeister
- Institute of Pharmaceutical and Biomedical Sciences, Johannes Gutenberg University Mainz, Staudinger Weg 5, D-55128 Mainz, Germany
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14
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Meanwell NA. The pyridazine heterocycle in molecular recognition and drug discovery. Med Chem Res 2023; 32:1-69. [PMID: 37362319 PMCID: PMC10015555 DOI: 10.1007/s00044-023-03035-9] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2023] [Accepted: 02/06/2023] [Indexed: 03/17/2023]
Abstract
The pyridazine ring is endowed with unique physicochemical properties, characterized by weak basicity, a high dipole moment that subtends π-π stacking interactions and robust, dual hydrogen-bonding capacity that can be of importance in drug-target interactions. These properties contribute to unique applications in molecular recognition while the inherent polarity, low cytochrome P450 inhibitory effects and potential to reduce interaction of a molecule with the cardiac hERG potassium channel add additional value in drug discovery and development. The recent approvals of the gonadotropin-releasing hormone receptor antagonist relugolix (24) and the allosteric tyrosine kinase 2 inhibitor deucravacitinib (25) represent the first examples of FDA-approved drugs that incorporate a pyridazine ring. In this review, the properties of the pyridazine ring are summarized in comparison to the other azines and its potential in drug discovery is illustrated through vignettes that explore applications that take advantage of the inherent physicochemical properties as an approach to solving challenges associated with candidate optimization. Graphical Abstract
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15
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Brewitz L, Dumjahn L, Zhao Y, Owen CD, Laidlaw SM, Malla TR, Nguyen D, Lukacik P, Salah E, Crawshaw AD, Warren AJ, Trincao J, Strain-Damerell C, Carroll MW, Walsh MA, Schofield CJ. Alkyne Derivatives of SARS-CoV-2 Main Protease Inhibitors Including Nirmatrelvir Inhibit by Reacting Covalently with the Nucleophilic Cysteine. J Med Chem 2023; 66:2663-2680. [PMID: 36757959 PMCID: PMC9924091 DOI: 10.1021/acs.jmedchem.2c01627] [Citation(s) in RCA: 18] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2022] [Indexed: 02/10/2023]
Abstract
Nirmatrelvir (PF-07321332) is a nitrile-bearing small-molecule inhibitor that, in combination with ritonavir, is used to treat infections by severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2). Nirmatrelvir interrupts the viral life cycle by inhibiting the SARS-CoV-2 main protease (Mpro), which is essential for processing viral polyproteins into functional nonstructural proteins. We report studies which reveal that derivatives of nirmatrelvir and other Mpro inhibitors with a nonactivated terminal alkyne group positioned similarly to the electrophilic nitrile of nirmatrelvir can efficiently inhibit isolated Mpro and SARS-CoV-2 replication in cells. Mass spectrometric and crystallographic evidence shows that the alkyne derivatives inhibit Mpro by apparent irreversible covalent reactions with the active site cysteine (Cys145), while the analogous nitriles react reversibly. The results highlight the potential for irreversible covalent inhibition of Mpro and other nucleophilic cysteine proteases by alkynes, which, in contrast to nitriles, can be functionalized at their terminal position to optimize inhibition and selectivity, as well as pharmacodynamic and pharmacokinetic properties.
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Affiliation(s)
- Lennart Brewitz
- Chemistry
Research Laboratory, Department of Chemistry and the Ineos Oxford
Institute for Antimicrobial Research, University
of Oxford, 12 Mansfield Road, Oxford OX1 3TA, United Kingdom
| | - Leo Dumjahn
- Chemistry
Research Laboratory, Department of Chemistry and the Ineos Oxford
Institute for Antimicrobial Research, University
of Oxford, 12 Mansfield Road, Oxford OX1 3TA, United Kingdom
| | - Yilin Zhao
- Chemistry
Research Laboratory, Department of Chemistry and the Ineos Oxford
Institute for Antimicrobial Research, University
of Oxford, 12 Mansfield Road, Oxford OX1 3TA, United Kingdom
| | - C. David Owen
- Diamond
Light Source Ltd., Harwell Science and Innovation Campus, Didcot OX11 0DE, United Kingdom
- Research
Complex at Harwell, Harwell Science and
Innovation Campus, Didcot OX11 0FA, United
Kingdom
| | - Stephen M. Laidlaw
- Wellcome
Centre for Human Genetics, Nuffield Department of Medicine, University of Oxford, Oxford OX3 7BN, United Kingdom
| | - Tika R. Malla
- Chemistry
Research Laboratory, Department of Chemistry and the Ineos Oxford
Institute for Antimicrobial Research, University
of Oxford, 12 Mansfield Road, Oxford OX1 3TA, United Kingdom
| | - Dung Nguyen
- Wellcome
Centre for Human Genetics, Nuffield Department of Medicine, University of Oxford, Oxford OX3 7BN, United Kingdom
| | - Petra Lukacik
- Diamond
Light Source Ltd., Harwell Science and Innovation Campus, Didcot OX11 0DE, United Kingdom
- Research
Complex at Harwell, Harwell Science and
Innovation Campus, Didcot OX11 0FA, United
Kingdom
| | - Eidarus Salah
- Chemistry
Research Laboratory, Department of Chemistry and the Ineos Oxford
Institute for Antimicrobial Research, University
of Oxford, 12 Mansfield Road, Oxford OX1 3TA, United Kingdom
| | - Adam D. Crawshaw
- Diamond
Light Source Ltd., Harwell Science and Innovation Campus, Didcot OX11 0DE, United Kingdom
| | - Anna J. Warren
- Diamond
Light Source Ltd., Harwell Science and Innovation Campus, Didcot OX11 0DE, United Kingdom
| | - Jose Trincao
- Diamond
Light Source Ltd., Harwell Science and Innovation Campus, Didcot OX11 0DE, United Kingdom
| | - Claire Strain-Damerell
- Diamond
Light Source Ltd., Harwell Science and Innovation Campus, Didcot OX11 0DE, United Kingdom
- Research
Complex at Harwell, Harwell Science and
Innovation Campus, Didcot OX11 0FA, United
Kingdom
| | - Miles W. Carroll
- Wellcome
Centre for Human Genetics, Nuffield Department of Medicine, University of Oxford, Oxford OX3 7BN, United Kingdom
| | - Martin A. Walsh
- Diamond
Light Source Ltd., Harwell Science and Innovation Campus, Didcot OX11 0DE, United Kingdom
- Research
Complex at Harwell, Harwell Science and
Innovation Campus, Didcot OX11 0FA, United
Kingdom
| | - Christopher J. Schofield
- Chemistry
Research Laboratory, Department of Chemistry and the Ineos Oxford
Institute for Antimicrobial Research, University
of Oxford, 12 Mansfield Road, Oxford OX1 3TA, United Kingdom
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16
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Bonatto V, Lameiro RF, Rocho FR, Lameira J, Leitão A, Montanari CA. Nitriles: an attractive approach to the development of covalent inhibitors. RSC Med Chem 2023; 14:201-217. [PMID: 36846367 PMCID: PMC9945868 DOI: 10.1039/d2md00204c] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2022] [Accepted: 10/31/2022] [Indexed: 11/09/2022] Open
Abstract
Nitriles have broad applications in medicinal chemistry, with more than 60 small molecule drugs on the market containing the cyano functional group. In addition to the well-known noncovalent interactions that nitriles can perform with macromolecular targets, they are also known to improve drug candidates' pharmacokinetic profiles. Moreover, the cyano group can be used as an electrophilic warhead to covalently bind an inhibitor to a target of interest, forming a covalent adduct, a strategy that can present benefits over noncovalent inhibitors. This approach has gained much notoriety in recent years, mainly with diabetes and COVID-19-approved drugs. Nevertheless, the application of nitriles in covalent ligands is not restricted to it being the reactive center, as it can also be employed to convert irreversible inhibitors into reversible ones, a promising strategy for kinase inhibition and protein degradation. In this review, we introduce and discuss the roles of the cyano group in covalent inhibitors, how to tune its reactivity and the possibility of achieving selectivity only by replacing the warhead. Finally, we provide an overview of nitrile-based covalent compounds in approved drugs and inhibitors recently described in the literature.
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Affiliation(s)
- Vinícius Bonatto
- Medicinal and Biological Chemistry Group, São Carlos Institute of Chemistry, University of São Paulo Avenue Trabalhador Sancarlense, 400 13566-590 São Carlos/SP Brazil
| | - Rafael F Lameiro
- Medicinal and Biological Chemistry Group, São Carlos Institute of Chemistry, University of São Paulo Avenue Trabalhador Sancarlense, 400 13566-590 São Carlos/SP Brazil
| | - Fernanda R Rocho
- Medicinal and Biological Chemistry Group, São Carlos Institute of Chemistry, University of São Paulo Avenue Trabalhador Sancarlense, 400 13566-590 São Carlos/SP Brazil
| | - Jerônimo Lameira
- Medicinal and Biological Chemistry Group, São Carlos Institute of Chemistry, University of São Paulo Avenue Trabalhador Sancarlense, 400 13566-590 São Carlos/SP Brazil
- Institute of Biological Science, Federal University of Pará Rua Augusto Correa S/N Belém PA Brazil
| | - Andrei Leitão
- Medicinal and Biological Chemistry Group, São Carlos Institute of Chemistry, University of São Paulo Avenue Trabalhador Sancarlense, 400 13566-590 São Carlos/SP Brazil
| | - Carlos A Montanari
- Medicinal and Biological Chemistry Group, São Carlos Institute of Chemistry, University of São Paulo Avenue Trabalhador Sancarlense, 400 13566-590 São Carlos/SP Brazil
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17
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Chen R, Gao Y, Liu H, Li H, Chen W, Ma J. Advances in research on 3C-like protease (3CL pro) inhibitors against SARS-CoV-2 since 2020. RSC Med Chem 2023; 14:9-21. [PMID: 36760740 PMCID: PMC9890616 DOI: 10.1039/d2md00344a] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2022] [Accepted: 10/24/2022] [Indexed: 12/23/2022] Open
Abstract
COVID-19 caused by SARS-CoV-2 in late 2019 is still threatening global human health. Although some vaccines and drugs are available in the market, controlling the spread of the SARS-CoV-2 virus remains a huge challenge. 3C-like protease (3CLpro) is a highly conserved key protease for SARS-CoV-2 replication, and no relevant homologous protein with a similar cleavage site to 3CLpro has been identified in humans, highlighting that development of 3CLpro inhibitors exhibits great promise for treatment of COVID-19. In this review, the authors describe the structure and function of 3CLpro. To better understand the characteristics of SARS-CoV-2 3CLpro inhibitors, the SARS-CoV-2 3CLpro inhibitors reported since 2020 are classified into peptidomimetic covalent inhibitors, non-peptidomimetic covalent inhibitors and non-covalent small molecule inhibitors, and the representative inhibitors, their biological activities and binding models are highlighted. Collectively, we hope that all the information presented here will provide new insights into the design and development of more effective 3CLpro inhibitors against SARS-CoV-2 as novel anti-coronavirus drugs.
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Affiliation(s)
- Roufen Chen
- School of Medicine, Huaqiao University Quanzhou 362000 China
| | - Yali Gao
- Pharmacy Department, The Second Affiliated Hospital of Fujian Medical University Quanzhou 362000 China
| | - Han Liu
- School of Medicine, Huaqiao University Quanzhou 362000 China
| | - He Li
- School of Medicine, Huaqiao University Quanzhou 362000 China
| | - Wenfa Chen
- Pharmacy Department, The Second Affiliated Hospital of Fujian Medical University Quanzhou 362000 China
| | - Junjie Ma
- School of Medicine, Huaqiao University Quanzhou 362000 China
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18
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Heilmann E, Costacurta F, Moghadasi SA, Ye C, Pavan M, Bassani D, Volland A, Ascher C, Weiss AKH, Bante D, Harris RS, Moro S, Rupp B, Martinez-Sobrido L, von Laer D. SARS-CoV-2 3CL pro mutations selected in a VSV-based system confer resistance to nirmatrelvir, ensitrelvir, and GC376. Sci Transl Med 2023; 15:eabq7360. [PMID: 36194133 PMCID: PMC9765458 DOI: 10.1126/scitranslmed.abq7360] [Citation(s) in RCA: 57] [Impact Index Per Article: 57.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2022] [Revised: 07/18/2022] [Accepted: 09/21/2022] [Indexed: 01/14/2023]
Abstract
Protease inhibitors are among the most powerful antiviral drugs. Nirmatrelvir is the first protease inhibitor specifically developed against the SARS-CoV-2 protease 3CLpro that has been licensed for clinical use. To identify mutations that confer resistance to this protease inhibitor, we engineered a chimeric vesicular stomatitis virus (VSV) that expressed a polyprotein composed of the VSV glycoprotein (G), the SARS-CoV-2 3CLpro, and the VSV polymerase (L). Viral replication was thus dependent on the autocatalytic processing of this precursor protein by 3CLpro and release of the functional viral proteins G and L, and replication of this chimeric VSV was effectively inhibited by nirmatrelvir. Using this system, we applied nirmatrelvir to select for resistance mutations. Resistance was confirmed by retesting nirmatrelvir against the selected mutations in additional VSV-based systems, in an independently developed cellular system, in a biochemical assay, and in a recombinant SARS-CoV-2 system. We demonstrate that some mutants are cross-resistant to ensitrelvir and GC376, whereas others are less resistant to these compounds. Furthermore, we found that most of these resistance mutations already existed in SARS-CoV-2 sequences that have been deposited in the NCBI and GISAID databases, indicating that these mutations were present in circulating SARS-CoV-2 strains.
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Affiliation(s)
- Emmanuel Heilmann
- Institute of Virology, Medical University of Innsbruck, Innsbruck, 6020, Austria
| | - Francesco Costacurta
- Institute of Virology, Medical University of Innsbruck, Innsbruck, 6020, Austria
| | - Seyed Arad Moghadasi
- Department of Biochemistry, Molecular Biology and Biophysics, Institute for Molecular Virology, University of Minnesota, Minneapolis, MN 55455, United States
| | - Chengjin Ye
- Texas Biomedical Research Institute, San Antonio, TX 78229, USA
| | - Matteo Pavan
- Molecular Modeling Section (MMS), Department of Pharmaceutical and Pharmacological Sciences, University of Padua, Via F. Marzolo 5, 35131, Padova, Italy
| | - Davide Bassani
- Molecular Modeling Section (MMS), Department of Pharmaceutical and Pharmacological Sciences, University of Padua, Via F. Marzolo 5, 35131, Padova, Italy
| | - Andre Volland
- Institute of Virology, Medical University of Innsbruck, Innsbruck, 6020, Austria
| | - Claudia Ascher
- Institute for Biomedical Aging Research, University of Innsbruck, Innsbruck, 6020, Austria
| | | | - David Bante
- Institute of Virology, Medical University of Innsbruck, Innsbruck, 6020, Austria
| | - Reuben S. Harris
- Department of Biochemistry, Molecular Biology and Biophysics, Institute for Molecular Virology, University of Minnesota, Minneapolis, MN 55455, United States
- Department of Biochemistry and Structural Biology, University of Texas Health San Antonio, San Antonio, TX 78229, United States
- Howard Hughes Medical Institute, University of Texas Health San Antonio, San Antonio, TX 78229, United States
| | - Stefano Moro
- Molecular Modeling Section (MMS), Department of Pharmaceutical and Pharmacological Sciences, University of Padua, Via F. Marzolo 5, 35131, Padova, Italy
| | - Bernhard Rupp
- Division of Genetic Epidemiology, Medical University of Innsbruck, Innsbruck, 6020, Austria
- k.-k. Hofkristallamt, San Diego, CA 92084, United States
| | | | - Dorothee von Laer
- Institute of Virology, Medical University of Innsbruck, Innsbruck, 6020, Austria
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19
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Abstract
Cysteine bioconjugation serves as a powerful tool in biological research and has been widely used for chemical modification of proteins, constructing antibody-drug conjugates, and enabling cell imaging studies. Cysteine conjugation reactions with fast kinetics and exquisite selectivity have been under heavy pursuit as they would allow clean protein modification with just stoichiometric amounts of reagents, which minimizes side reactions, simplifies purification and broadens functional group tolerance. In this concept, we summarize the recent advances in fast cysteine bioconjugation, and discuss the mechanism and chemical principles that underlie the high efficiencies of the newly developed cysteine reactive reagents.
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Affiliation(s)
- Fa-Jie Chen
- Department of Chemistry, Boston College, Merkert Chemistry Center, 2609 Beacon Street, Chestnut Hill, MA 02467, USA
| | - Jianmin Gao
- Department of Chemistry, Boston College, Merkert Chemistry Center, 2609 Beacon Street, Chestnut Hill, MA 02467, USA
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20
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Ramsperger CA, Tufts NQ, Yadav AK, Lessard JM, Stylianou KC. Sustainable and Chemoselective Synthesis of α-Aminonitriles Using Lewis and Brønsted Acid-Functionalized Nanoconfined Spaces. ACS APPLIED MATERIALS & INTERFACES 2022; 14:49957-49964. [PMID: 36300358 DOI: 10.1021/acsami.2c13945] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
α-Aminonitriles are significant components in the synthesis of biological compounds and complex drugs. Although efficient, procedures for synthesizing α-aminonitriles suffer from high loadings of expensive catalysts, long reaction times, energy-intensive conditions, and expensive, toxic solvents. Herein, we report the use of metal-organic framework Cr-MIL-101-SO3H as a catalyst for the facile synthesis of eight α-aminonitriles, five of which are reported as new molecules. We found that the presence of both open Cr3+ Lewis and -SO3H Brønsted acids in the MIL-101 pores is vital for the one-pot synthesis of α-aminonitriles. The catalytic reaction is conducted under solvent-free conditions at room temperature and a Cr-MIL-101-SO3H loading of 1% by the total mass, which is considered a sustainable synthetic pathway of α-aminonitriles. Additionally, we demonstrated for the first time that Cr-MIL-101-SO3H exhibits a high degree of catalytic chemoselectivity, differing substrates with sterically hindered and electronically withdrawn functional groups. Our study expands the existing family of α-aminonitriles and provides an intelligent strategy for the development of catalysts that can be used to synthesize functional α-aminonitriles with potential in therapeutics and health applications.
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Affiliation(s)
- Chloe A Ramsperger
- Materials Discovery Laboratory (MaD Lab), Department of Chemistry, Oregon State University, Corvallis, Oregon 97331, United States
| | - Noah Q Tufts
- Materials Discovery Laboratory (MaD Lab), Department of Chemistry, Oregon State University, Corvallis, Oregon 97331, United States
| | - Ankit K Yadav
- Materials Discovery Laboratory (MaD Lab), Department of Chemistry, Oregon State University, Corvallis, Oregon 97331, United States
| | - Jacob M Lessard
- Materials Discovery Laboratory (MaD Lab), Department of Chemistry, Oregon State University, Corvallis, Oregon 97331, United States
| | - Kyriakos C Stylianou
- Materials Discovery Laboratory (MaD Lab), Department of Chemistry, Oregon State University, Corvallis, Oregon 97331, United States
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21
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Joyce RP, Hu VW, Wang J. The history, mechanism, and perspectives of nirmatrelvir (PF-07321332): an orally bioavailable main protease inhibitor used in combination with ritonavir to reduce COVID-19-related hospitalizations. Med Chem Res 2022; 31:1637-1646. [PMID: 36060104 PMCID: PMC9425786 DOI: 10.1007/s00044-022-02951-6] [Citation(s) in RCA: 39] [Impact Index Per Article: 19.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2022] [Accepted: 08/15/2022] [Indexed: 11/27/2022]
Abstract
The rapid development of effective vaccines to combat the SARS-CoV-2 virus has been an effective counter measure to decrease hospitalization and the mortality rate in many countries. However, with the risk of mutated strains decreasing the efficacy of the vaccine, there has been an increasing demand for antivirals to treat COVID-19. While antivirals, such as remdesivir, have had some success treating COVID-19 patients in hospital settings, there is a need for orally bioavailable, cost-effective antivirals that can be administered in outpatient settings to minimize COVID-19-related hospitalizations and death. Nirmatrelvir (PF-07321332) is an orally bioavailable Mpro (also called 3CLpro) inhibitor developed by Pfizer. It is administered in combination with ritonavir, a potent CYP3A4 inhibitor that decreases the metabolism of nirmatrelvir. This review seeks to outline the history of the rational design, the target selectivity, synthesis, drug resistance, and future perspectives of nirmatrelvir. Graphical abstract ![]()
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Affiliation(s)
- Ryan P. Joyce
- Department of Medicinal Chemistry, Ernest Mario School of Pharmacy, Rutgers, The State University of New Jersey, Piscataway, NJ 08854 USA
| | - Vivian W. Hu
- Department of Medicinal Chemistry, Ernest Mario School of Pharmacy, Rutgers, The State University of New Jersey, Piscataway, NJ 08854 USA
| | - Jun Wang
- Department of Medicinal Chemistry, Ernest Mario School of Pharmacy, Rutgers, The State University of New Jersey, Piscataway, NJ 08854 USA
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