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Choi HS, Choi AY, Kopp JB, Winkler CA, Cho SK. Review of COVID-19 Therapeutics by Mechanism: From Discovery to Approval. J Korean Med Sci 2024; 39:e134. [PMID: 38622939 PMCID: PMC11018982 DOI: 10.3346/jkms.2024.39.e134] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/11/2024] [Accepted: 03/18/2024] [Indexed: 04/17/2024] Open
Abstract
The global research and pharmaceutical community rapidly mobilized to develop treatments for coronavirus disease 2019 (COVID-19). Existing treatments have been repurposed and new drugs have emerged. Here we summarize mechanisms and clinical trials of COVID-19 therapeutics approved or in development. Two reviewers, working independently, reviewed published data for approved COVID-19 vaccines and drugs, as well as developmental pipelines, using databases from the following organizations: United States Food and Drug Administration (US-FDA), European Medicines Agency (EMA), Japanese Pharmaceutical and Medical Devices Agency (PMDA), and ClinicalTrials.gov. In all, 387 drugs were found for initial review. After removing unrelated trials and drugs, 66 drugs were selected, including 17 approved drugs and 49 drugs under development. These drugs were classified into six categories: 1) drugs targeting the viral life cycle 2) Anti-severe acute respiratory syndrome coronavirus 2 Monoclonal Antibodies, 3) immunomodulators, 4) anti-coagulants, 5) COVID-19-induced neuropathy drugs, and 6) other therapeutics. Among the 49 drugs under development are the following: 6 drugs targeting the viral life cycle, 12 immunosuppression drugs, 2 immunostimulants, 2 HIF-PHD targeting drugs, 3 GM-CSF targeting drugs, 5 anti-coagulants, 2 COVID-19-induced neuropathy drugs, and 17 others. This review provides insight into mechanisms of action, properties, and indications for COVID-19 medications.
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Affiliation(s)
- Hee Sun Choi
- Department of Pharmacology, Ajou University School of Medicine, Suwon, Korea
| | - A Young Choi
- Department of Pharmacology, Ajou University School of Medicine, Suwon, Korea
| | - Jeffrey B Kopp
- Kidney Disease Section, Kidney Diseases, Branch, National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Bethesda, MD, USA
| | - Cheryl A Winkler
- Basic Research Laboratory, Center for Cancer Research, National Cancer Institute, Frederick, MD, USA
| | - Sung Kweon Cho
- Department of Pharmacology, Ajou University School of Medicine, Suwon, Korea
- Basic Research Laboratory, Center for Cancer Research, National Cancer Institute, Frederick, MD, USA.
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Moshawih S, Jarrar Q, Bahrin AA, Lim AF, Ming L, Goh HP. Evaluating NSAIDs in SARS-CoV-2: Immunomodulatory mechanisms and future therapeutic strategies. Heliyon 2024; 10:e25734. [PMID: 38356603 PMCID: PMC10864964 DOI: 10.1016/j.heliyon.2024.e25734] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2023] [Revised: 02/01/2024] [Accepted: 02/01/2024] [Indexed: 02/16/2024] Open
Abstract
Non-steroidal anti-inflammatory drugs (NSAIDs) are widely recognized for their analgesic and anti-inflammatory properties. Amidst the SARS-CoV-2 pandemic, the role of NSAIDs in modulating viral and bacterial infections has become a critical area of research, sparking debates and necessitating a thorough review. This review examines the multifaceted interactions between NSAIDs, immune responses, and infections. Focusing on the immunomodulatory mechanisms of NSAIDs in SARS-CoV-2 and their implications for other viral and bacterial infections, we aim to provide clarity and direction for future therapeutic strategies. NSAIDs demonstrate a dual role in infectious diseases. They reduce inflammation by decreasing neutrophil recruitment and cytokine release, yet potentially compromise antiviral defense mechanisms. They also modulate cytokine storms in SARS-CoV-2 and exhibit the potential to enhance anti-tumor immunity by inhibiting tumor-induced COX-2/PGE2 signaling. Specific NSAIDs have shown efficacy in inhibiting viral replication. The review highlights NSAIDs' synergy with other medications, like COX inhibitors and immunotherapy agents, in augmenting therapeutic effects. Notably, the World Health Organization's analysis found no substantial link between NSAIDs and the worsening of viral respiratory infections. The findings underscore NSAIDs' complex role in infection management. Understanding these interactions is crucial for optimizing therapeutic approaches in current and future pandemics. However, their dual nature warrants cautious application, particularly in vulnerable populations. NSAIDs present a paradoxical impact on immune responses in viral and bacterial infections. While offering potential benefits, their usage in infectious diseases, especially SARS-CoV-2, demands a nuanced understanding to balance therapeutic advantages against possible adverse effects.
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Affiliation(s)
- Said Moshawih
- PAP Rashidah Sa'adatul Bolkiah Institute of Health Sciences, Universiti Brunei Darussalam, Gadong, Brunei Darussalam
| | - Qais Jarrar
- Department of Applied Pharmaceutical Sciences and Clinical Pharmacy, Faculty of Pharmacy, Isra University, Amman, Jordan
| | - Abdul Alim Bahrin
- PAP Rashidah Sa'adatul Bolkiah Institute of Health Sciences, Universiti Brunei Darussalam, Gadong, Brunei Darussalam
| | - Ai Fern Lim
- PAP Rashidah Sa'adatul Bolkiah Institute of Health Sciences, Universiti Brunei Darussalam, Gadong, Brunei Darussalam
| | - Long Ming
- School of Medical and Life Sciences, Sunway University, Sunway City, 47500, Malaysia
| | - Hui Poh Goh
- PAP Rashidah Sa'adatul Bolkiah Institute of Health Sciences, Universiti Brunei Darussalam, Gadong, Brunei Darussalam
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Istifli ES, Okumus N, Sarikurkcu C, Kuhn ER, Netz PA, Tepe AS. Comparative docking and molecular dynamics studies of molnupiravir (EIDD-2801): implications for novel mechanisms of action on influenza and SARS-CoV-2 protein targets. J Biomol Struct Dyn 2023:1-13. [PMID: 37811782 DOI: 10.1080/07391102.2023.2267696] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2023] [Accepted: 07/27/2023] [Indexed: 10/10/2023]
Abstract
Molnupiravir (EIDD-2801) (MLN) is an oral antiviral drug for COVID-19 treatment, being integrated into viral RNA through RNA-dependent RNA polymerase (RdRp). Upon ingestion, MLN is transformed into two active metabolites: β-d-N4-hydroxycytidine (NHC) (EIDD-1931) in the host plasma, and EIDD-1931-triphosphate (MTP) within the host cells. However, recent studies provide increasing evidence of MLN's interactions with off-target proteins beyond the viral genome, suggesting that the complete mechanisms of action of MLN remain unclear. The aim of this study was therefore to investigate the molecular interactions of MLN in the form of NHC and MTP with the non-RNA structural components of avian influenza (hemagglutinin, neuraminidase) and SARS-CoV-2 (spike glycoprotein, Mpro, and RdRp) viruses and to elucidate whether these two metabolites possess the ability to form stable complexes with these major viral components. Molecular docking of NHC and MTP was performed using AutoDock 4.2.6 and the obtained protein-drug complexes were submitted to 200-ns molecular dynamics simulations in triplicate with subsequent free energy calculations using GROMACS. Docking scores, molecular dynamics and MM/GBSA results showed that MTP was tightly bound within the active site of SARS-CoV-2 RdRp and remained highly stable throughout the 200-ns simulations. Besides, it was also shown that NHC and MTP formed moderately-to-highly stable molecular complexes with off-target receptors hemagglutinin, neuraminidase and Mpro, but rather weak interactions with spike glycoprotein. Our computational findings suggest that NHC and MTP may directly inhibit these receptors, and propose that additional studies on the off-target effects of MLN, i.e. real-time protein binding assays, should be performed.Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
- Erman Salih Istifli
- Faculty of Science and Literature, Department of Biology, Cukurova University, Adana, Turkey
| | - Nurullah Okumus
- Faculty of Medicine, Department of Pediatrics, Afyonkarahisar Health Sciences University, Afyonkarahisar, Turkey
| | - Cengiz Sarikurkcu
- Faculty of Pharmacy, Department of Analytical Chemistry, Afyonkarahisar Health Sciences University, Afyonkarahisar, Turkey
| | - Eduardo Ramires Kuhn
- Theoretical Chemistry Group, Institute of Chemistry, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
| | - Paulo A Netz
- Theoretical Chemistry Group, Institute of Chemistry, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
| | - Arzuhan Sihoglu Tepe
- Department of Pharmacy Services, Kilis 7 Aralik University, Vocational High School of Health Services, Kilis, Turkey
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Marcianò G, Muraca L, Rania V, Gallelli L. Ibuprofen in the Management of Viral Infections: The Lesson of COVID-19 for Its Use in a Clinical Setting. J Clin Pharmacol 2023; 63:975-992. [PMID: 37255250 DOI: 10.1002/jcph.2258] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2023] [Accepted: 04/25/2023] [Indexed: 06/01/2023]
Abstract
Nonsteroidal anti-inflammatory drugs (NSAIDs) are commonly used for the management of fever, pain, and inflammation. However, they have always been considered to have a double-faced role, according to their capacity to manage inflammation but also their possible reduction of immune system response and diagnosis delay. This last point could favor a dramatic increase of viral infection diffusion, possibly leading to a more severe outcome. The advent of severe acute respiratory syndrome coronavirus 2 excluded the use of NSAIDs, particularly ibuprofen, and then indicated this drug as the better NSAID to manage infected outpatients and prevent complications. Several authors described the role of NSAIDs and ibuprofen in preventing cytokine storm and modulating the immune system. However, the development of both adverse drug reactions (i.e., gastrointestinal, renal, hepatic, and cardiovascular) and drug interaction recalled the necessity of prescribing the better NSAID for each patient. In this narrative review, we describe the role of NSAIDs, particularly of ibuprofen, in the management of viral symptoms, suggesting that the NSAID may be chosen considering the characteristics of the patient, the comorbidity, and the polytherapy.
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Affiliation(s)
- Gianmarco Marcianò
- Operative Unit of Pharmacology and Pharmacovigilance, "Mater Domini" Hospital, Department of Health Science, University Magna Graecia, Catanzaro, Italy
| | | | - Vincenzo Rania
- Operative Unit of Pharmacology and Pharmacovigilance, "Mater Domini" Hospital, Department of Health Science, University Magna Graecia, Catanzaro, Italy
| | - Luca Gallelli
- Operative Unit of Pharmacology and Pharmacovigilance, "Mater Domini" Hospital, Department of Health Science, University Magna Graecia, Catanzaro, Italy
- Department of Primary Care, Catanzaro, Italy
- Research Center FAS@UMG, Department of Health Science, University Magna Graecia, Catanzaro, Italy
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Liang J, Wu Y, Lan K, Dong C, Wu S, Li S, Zhou HB. Antiviral PROTACs: Opportunity borne with challenge. Cell Insight 2023; 2:100092. [PMID: 37398636 PMCID: PMC10308200 DOI: 10.1016/j.cellin.2023.100092] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/23/2022] [Revised: 03/15/2023] [Accepted: 03/16/2023] [Indexed: 07/04/2023]
Abstract
Proteolysis targeting chimera (PROTAC) degradation of pathogenic proteins by hijacking of the ubiquitin-proteasome-system has become a promising strategy in drug design. The overwhelming advantages of PROTAC technology have ensured a rapid and wide usage, and multiple PROTACs have entered clinical trials. Several antiviral PROTACs have been developed with promising bioactivities against various pathogenic viruses. However, the number of reported antiviral PROTACs is far less than that of other diseases, e.g., cancers, immune disorders, and neurodegenerative diseases, possibly because of the common deficiencies of PROTAC technology (e.g., limited available ligands and poor membrane permeability) plus the complex mechanism involved and the high tendency of viral mutation during transmission and replication, which may challenge the successful development of effective antiviral PROTACs. This review highlights the important advances in this rapidly growing field and critical limitations encountered in developing antiviral PROTACs by analyzing the current status and representative examples of antiviral PROTACs and other PROTAC-like antiviral agents. We also summarize and analyze the general principles and strategies for antiviral PROTAC design and optimization with the intent of indicating the potential strategic directions for future progress.
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Affiliation(s)
- Jinsen Liang
- Medical Research Institute, Frontier Science Center for Immunology and Metabolism, Wuhan University, Wuhan, 430071, China
| | - Yihe Wu
- Provincial Key Laboratory of Developmentally Originated Disease, Key Laboratory of Combinatorial Biosynthesis and Drug Discovery (MOE) and Hubei Province Engineering and Technology Research Center for Fluorinated Pharmaceuticals, School of Pharmaceutical Sciences, Wuhan University, Wuhan, 430071, China
| | - Ke Lan
- State Key Laboratory of Virology, College of Life Sciences, Wuhan University, Wuhan, 430072, China
| | - Chune Dong
- Medical Research Institute, Frontier Science Center for Immunology and Metabolism, Wuhan University, Wuhan, 430071, China
| | - Shuwen Wu
- State Key Laboratory of Virology, College of Life Sciences, Wuhan University, Wuhan, 430072, China
| | - Shu Li
- Medical Research Institute, Frontier Science Center for Immunology and Metabolism, Wuhan University, Wuhan, 430071, China
| | - Hai-Bing Zhou
- Medical Research Institute, Frontier Science Center for Immunology and Metabolism, Wuhan University, Wuhan, 430071, China
- Provincial Key Laboratory of Developmentally Originated Disease, Key Laboratory of Combinatorial Biosynthesis and Drug Discovery (MOE) and Hubei Province Engineering and Technology Research Center for Fluorinated Pharmaceuticals, School of Pharmaceutical Sciences, Wuhan University, Wuhan, 430071, China
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Naidu SAG, Clemens RA, Naidu AS. SARS-CoV-2 Infection Dysregulates Host Iron (Fe)-Redox Homeostasis (Fe-R-H): Role of Fe-Redox Regulators, Ferroptosis Inhibitors, Anticoagulants, and Iron-Chelators in COVID-19 Control. J Diet Suppl 2023; 20:312-371. [PMID: 35603834 DOI: 10.1080/19390211.2022.2075072] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Severe imbalance in iron metabolism among SARS-CoV-2 infected patients is prominent in every symptomatic (mild, moderate to severe) clinical phase of COVID-19. Phase-I - Hypoxia correlates with reduced O2 transport by erythrocytes, overexpression of HIF-1α, altered mitochondrial bioenergetics with host metabolic reprogramming (HMR). Phase-II - Hyperferritinemia results from an increased iron overload, which triggers a fulminant proinflammatory response - the acute cytokine release syndrome (CRS). Elevated cytokine levels (i.e. IL6, TNFα and CRP) strongly correlates with altered ferritin/TF ratios in COVID-19 patients. Phase-III - Thromboembolism is consequential to erythrocyte dysfunction with heme release, increased prothrombin time and elevated D-dimers, cumulatively linked to severe coagulopathies with life-threatening outcomes such as ARDS, and multi-organ failure. Taken together, Fe-R-H dysregulation is implicated in every symptomatic phase of COVID-19. Fe-R-H regulators such as lactoferrin (LF), hemoxygenase-1 (HO-1), erythropoietin (EPO) and hepcidin modulators are innate bio-replenishments that sequester iron, neutralize iron-mediated free radicals, reduce oxidative stress, and improve host defense by optimizing iron metabolism. Due to its pivotal role in 'cytokine storm', ferroptosis is a potential intervention target. Ferroptosis inhibitors such as ferrostatin-1, liproxstatin-1, quercetin, and melatonin could prevent mitochondrial lipid peroxidation, up-regulate antioxidant/GSH levels and abrogate iron overload-induced apoptosis through activation of Nrf2 and HO-1 signaling pathways. Iron chelators such as heparin, deferoxamine, caffeic acid, curcumin, α-lipoic acid, and phytic acid could protect against ferroptosis and restore mitochondrial function, iron-redox potential, and rebalance Fe-R-H status. Therefore, Fe-R-H restoration is a host biomarker-driven potential combat strategy for an effective clinical and post-recovery management of COVID-19.
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Affiliation(s)
| | - Roger A Clemens
- Department of International Regulatory Science, University of Southern California School of Pharmacy, Los Angeles, CA, USA
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Liu Z, Hu M, Yang Y, Du C, Zhou H, Liu C, Chen Y, Fan L, Ma H, Gong Y, Xie Y. An overview of PROTACs: a promising drug discovery paradigm. Mol Biomed 2022; 3:46. [PMID: 36536188 PMCID: PMC9763089 DOI: 10.1186/s43556-022-00112-0] [Citation(s) in RCA: 32] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2022] [Accepted: 11/29/2022] [Indexed: 12/24/2022] Open
Abstract
Proteolysis targeting chimeras (PROTACs) technology has emerged as a novel therapeutic paradigm in recent years. PROTACs are heterobifunctional molecules that degrade target proteins by hijacking the ubiquitin-proteasome system. Currently, about 20-25% of all protein targets are being studied, and most works focus on their enzymatic functions. Unlike small molecules, PROTACs inhibit the whole biological function of the target protein by binding to the target protein and inducing subsequent proteasomal degradation. PROTACs compensate for limitations that transcription factors, nuclear proteins, and other scaffolding proteins are difficult to handle with traditional small-molecule inhibitors. Currently, PROTACs have successfully degraded diverse proteins, such as BTK, BRD4, AR, ER, STAT3, IRAK4, tau, etc. And ARV-110 and ARV-471 exhibited excellent efficacy in clinical II trials. However, what targets are appropriate for PROTAC technology to achieve better benefits than small-molecule inhibitors are not fully understood. And how to rationally design an efficient PROTACs and optimize it to be orally effective poses big challenges for researchers. In this review, we summarize the features of PROTAC technology, analyze the detail of general principles for designing efficient PROTACs, and discuss the typical application of PROTACs targeting different protein categories. In addition, we also introduce the progress of relevant clinical trial results of representative PROTACs and assess the challenges and limitations that PROTACs may face. Collectively, our studies provide references for further application of PROTACs.
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Affiliation(s)
- Zi Liu
- grid.13291.380000 0001 0807 1581State Key Laboratory of Biotherapy and Cancer Center, Department of Laboratory Medicine, West China Hospital, Sichuan University and Collaborative Innovation Center of Biotherapy, Chengdu, 610041 China
| | - Mingxing Hu
- grid.13291.380000 0001 0807 1581State Key Laboratory of Biotherapy and Cancer Center, Department of Laboratory Medicine, West China Hospital, Sichuan University and Collaborative Innovation Center of Biotherapy, Chengdu, 610041 China
| | - Yu Yang
- grid.13291.380000 0001 0807 1581State Key Laboratory of Biotherapy and Cancer Center, Department of Laboratory Medicine, West China Hospital, Sichuan University and Collaborative Innovation Center of Biotherapy, Chengdu, 610041 China
| | - Chenghao Du
- grid.42505.360000 0001 2156 6853Department of Biological Sciences, USC Dana and David Dornsife College of Letters, Arts and Sciences, Los Angeles, 90089 USA
| | - Haoxuan Zhou
- grid.13291.380000 0001 0807 1581State Key Laboratory of Biotherapy and Cancer Center, Department of Laboratory Medicine, West China Hospital, Sichuan University and Collaborative Innovation Center of Biotherapy, Chengdu, 610041 China
| | - Chengyali Liu
- grid.13291.380000 0001 0807 1581State Key Laboratory of Biotherapy and Cancer Center, Department of Laboratory Medicine, West China Hospital, Sichuan University and Collaborative Innovation Center of Biotherapy, Chengdu, 610041 China
| | - Yuanwei Chen
- Hinova Pharmaceuticals Inc., Chengdu, 610041 China
| | - Lei Fan
- Hinova Pharmaceuticals Inc., Chengdu, 610041 China
| | - Hongqun Ma
- Hinova Pharmaceuticals Inc., Chengdu, 610041 China
| | - Youling Gong
- grid.13291.380000 0001 0807 1581Department of Thoracic Oncology, West China Hospital, Sichuan University, Chengdu, 610041 China
| | - Yongmei Xie
- grid.13291.380000 0001 0807 1581State Key Laboratory of Biotherapy and Cancer Center, Department of Laboratory Medicine, West China Hospital, Sichuan University and Collaborative Innovation Center of Biotherapy, Chengdu, 610041 China
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Graff Reis J, Dai Prá I, Michelon W, Viancelli A, Piedrahita Marquez DG, Schmitz C, Maraschin M, Moura S, Thaís Silva I, de Oliveira Costa G, Tizziani T, Sandjo LP, Rodríguez-Lázaro D, Fongaro G. Characterization of Planktochlorella nurekis Extracts and Virucidal Activity against a Coronavirus Model, the Murine Coronavirus 3. Int J Environ Res Public Health 2022; 19:15823. [PMID: 36497896 PMCID: PMC9735810 DOI: 10.3390/ijerph192315823] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/17/2022] [Revised: 11/23/2022] [Accepted: 11/24/2022] [Indexed: 06/17/2023]
Abstract
Certain members of the Coronaviridae family have emerged as zoonotic agents and have recently caused severe respiratory diseases in humans and animals, such as SARS, MERS, and, more recently, COVID-19. Antivirals (drugs and antiseptics) capable of controlling viruses at the site of infection are scarce. Microalgae from the Chlorellaceae family are sources of bioactive compounds with antioxidant, antiviral, and antitumor activity. In the present study, we aimed to evaluate various extracts from Planktochlorella nurekis in vitro against murine coronavirus-3 (MHV-3), which is an essential human coronavirus surrogate for laboratory assays. Methanol, hexane, and dichloromethane extracts of P. nurekis were tested in cells infected with MHV-3, and characterized by UV-vis spectrophotometry, nuclear magnetic resonance (NMR) spectroscopy, ultraperformance liquid chromatography-mass spectrometry (UPLC-MS), and the application of chemometrics through principal component analysis (PCA). All the extracts were highly efficient against MHV-3 (more than a 6 Log unit reduction), regardless of the solvent used or the concentration of the extract, but the dichloromethane extract was the most effective. Chemical characterization by spectrophotometry and NMR, with the aid of statistical analysis, showed that polyphenols, carbohydrates, and isoprene derivatives, such as terpenes and carotenoids have a more significant impact on the virucidal potential. Compounds identified by UPLC-MS were mainly lipids and only found in the dichloromethane extract. These results open new biotechnological possibilities to explore the biomass of P. nurekis; it is a natural extract and shows low cytotoxicity and an excellent antiviral effect, with low production costs, highlighting a promising potential for development and implementation of therapies against coronaviruses, such as SARS-CoV-2.
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Affiliation(s)
- Jacqueline Graff Reis
- Laboratory of Applied Virology, Department of Microbiology, Immunology, and Parasitology, Federal University of Santa Catarina, Florianópolis 88040-900, SC, Brazil
| | - Isabella Dai Prá
- Laboratory of Applied Virology, Department of Microbiology, Immunology, and Parasitology, Federal University of Santa Catarina, Florianópolis 88040-900, SC, Brazil
- Department of Pharmaceutical Sciences, Federal University Santa Catarina, Florianópolis 88040-900, SC, Brazil
| | - William Michelon
- Mestrado Profissional em Engenharia Civil, Sanitária e Ambiental, Universidade do Contestado Concórdia, Concórdia 89520-000, SC, Brazil
| | - Aline Viancelli
- Mestrado Profissional em Engenharia Civil, Sanitária e Ambiental, Universidade do Contestado Concórdia, Concórdia 89520-000, SC, Brazil
| | | | - Caroline Schmitz
- Plant Morphogenesis and Biochemistry Laboratory, Federal University of Santa Catarina, Florianópolis 88034-000, SC, Brazil
| | - Marcelo Maraschin
- Plant Morphogenesis and Biochemistry Laboratory, Federal University of Santa Catarina, Florianópolis 88034-000, SC, Brazil
| | - Sidnei Moura
- LBIOP—Laboratory of Biotechnology of Natural and Synthetics Products, Technology Department, Biotechnology Institute, University of Caxias do Sul, Caxias do Sul 95070-560, RS, Brazil
| | - Izabella Thaís Silva
- Laboratory of Applied Virology, Department of Microbiology, Immunology, and Parasitology, Federal University of Santa Catarina, Florianópolis 88040-900, SC, Brazil
- Department of Pharmaceutical Sciences, Federal University Santa Catarina, Florianópolis 88040-900, SC, Brazil
| | - Geovanna de Oliveira Costa
- Programa de Pós-Graduação em Química, Department of Chemistry, CFM, Federal University of Santa Catarina, Florianópolis 88040-900, SC, Brazil
| | - Tiago Tizziani
- Programa de Pós-Graduação em Química, Department of Chemistry, CFM, Federal University of Santa Catarina, Florianópolis 88040-900, SC, Brazil
| | - Louis P. Sandjo
- Programa de Pós-Graduação em Química, Department of Chemistry, CFM, Federal University of Santa Catarina, Florianópolis 88040-900, SC, Brazil
| | - David Rodríguez-Lázaro
- Microbiology Section, Faculty of Sciences, University of Burgos, 09001 Burgos, Spain
- Centre for Emerging pathogens and Global Health, University of Burgos, 09001 Burgos, Spain
| | - Gislaine Fongaro
- Laboratory of Applied Virology, Department of Microbiology, Immunology, and Parasitology, Federal University of Santa Catarina, Florianópolis 88040-900, SC, Brazil
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Gillis TD, Bearne SL. Effects of the 5'-Triphosphate Metabolites of Ribavirin, Sofosbuvir, Vidarabine, and Molnupiravir on CTP Synthase Catalysis and Filament Formation: Implications for Repurposing Antiviral Agents against SARS-CoV-2. ChemMedChem 2022; 17:e202200399. [PMID: 36184568 PMCID: PMC9538051 DOI: 10.1002/cmdc.202200399] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2022] [Revised: 09/22/2022] [Indexed: 01/14/2023]
Abstract
Repurposing of antiviral drugs affords a rapid and effective strategy to develop therapies to counter pandemics such as COVID-19. SARS-CoV-2 replication is closely linked to the metabolism of cytosine-containing nucleotides, especially cytidine-5'-triphosphate (CTP), such that the integrity of the viral genome is highly sensitive to intracellular CTP levels. CTP synthase (CTPS) catalyzes the rate-limiting step for the de novo biosynthesis of CTP. Hence, it is of interest to know the effects of the 5'-triphosphate (TP) metabolites of repurposed antiviral agents on CTPS activity. Using E. coli CTPS as a model enzyme, we show that ribavirin-5'-TP is a weak allosteric activator of CTPS, while sofosbuvir-5'-TP and adenine-arabinofuranoside-5'-TP are both substrates. β-d-N4 -Hydroxycytidine-5'-TP is a weak competitive inhibitor relative to CTP, but induces filament formation by CTPS. Alternatively, sofosbuvir-5'-TP prevented CTP-induced filament formation. These results reveal the underlying potential for repurposed antivirals to affect the activity of a critical pyrimidine nucleotide biosynthetic enzyme.
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Affiliation(s)
- Thomas D. Gillis
- Dalhousie UniversityDepartment of Biochemistry & Molecular Biology5850 College St.Tupper Medical Building, 9JB3H 4R2HalifaxCANADA
| | - Stephen L. Bearne
- Dalhousie UniversityBiochemistry & Molecular Biology5850 College StreetTupper Medical BuildingB3H 4R2HalifaxCANADA
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Wonisch W, Stanger O, Tatzber F, Lindschinger M, Murkovic M, Cvirn G. Stability of bioactive components in smoothies within an extended period of one year. FOOD BIOSCI 2022. [DOI: 10.1016/j.fbio.2022.101948] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/15/2022]
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Nawaz M, Ashraf MA, Ali MA, Shabbir MZ, Shabbir MAB, Altaf I, Raza S, Rafique S, Hassan S, Sardar N, Mehmood A, Aziz MW, Fazal S, Khan MT, Atique HMM, Asif A, Ullah Z, Iqbal M, Imtiaz T, Anwar M, Mukhtar N, Yaqub T. Renessans Helps in Early Clearance of SARS-CoV-2: In-Vivo Activity of the Iodine Complex in Rhesus macaque. Life (Basel) 2022; 12:life12091424. [PMID: 36143459 PMCID: PMC9571793 DOI: 10.3390/life12091424] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/12/2022] [Revised: 09/07/2022] [Accepted: 09/09/2022] [Indexed: 02/08/2023]
Abstract
Iodine complexes have known antimicrobial properties along with reported in-vitro antiviral activity for several viruses. Renessans is one such product with iodine complexes and ascorbic acid. The present study was designed to determine its efficacy for SARS-CoV-2 in Rhesus macaque. Rhesus macaque were assigned to: A) prophylactic group (n = 3), (B) treatment group (n = 3), (C) infection control group (n = 4), and (D) negative control group (n = 4). Groups A, B, and C were challenged with 2 × 106 TCID of SARS-CoV-2. The prophylactic group (A) was administered Renessans from 5 days before infection till 8 days postinfection (DPI). The treatment group (B) was administered Renessans from 3 till 8 DPI. Group C was administered water-insoluble fractions only. Nasal swabs from all monkeys of groups A, B, and C remained positive for SARS-CoV-2 till 2 and 7 DPI, while the swabs became negative for groups A and B at 14 DPI. Likewise, fecal matter of monkeys in group A returned negative results during the experiment, while that of group B had significantly decreased viral load (101.5 genome copies/mL) compared to group C (103 genome copies/mL). Hence, it is concluded that Renessans has in-vivo SARS-CoV-2 activity and may result in early clearance of SARS-CoV-2.
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Affiliation(s)
- Muhammad Nawaz
- Institute of Microbiology, University of Veterinary and Animal Sciences, Lahore 54000, Pakistan
| | - Muhammad Adnan Ashraf
- Institute of Microbiology, University of Veterinary and Animal Sciences, Lahore 54000, Pakistan
| | - Muhammad Asad Ali
- Institute of Microbiology, University of Veterinary and Animal Sciences, Lahore 54000, Pakistan
| | - Muhammad Zubair Shabbir
- Institute of Microbiology, University of Veterinary and Animal Sciences, Lahore 54000, Pakistan
| | | | - Imran Altaf
- Institute of Microbiology, University of Veterinary and Animal Sciences, Lahore 54000, Pakistan
| | - Sohail Raza
- Institute of Microbiology, University of Veterinary and Animal Sciences, Lahore 54000, Pakistan
| | - Saira Rafique
- Institute of Microbiology, University of Veterinary and Animal Sciences, Lahore 54000, Pakistan
| | - Sohail Hassan
- Institute of Microbiology, University of Veterinary and Animal Sciences, Lahore 54000, Pakistan
| | - Nageen Sardar
- Institute of Microbiology, University of Veterinary and Animal Sciences, Lahore 54000, Pakistan
| | - Adnan Mehmood
- Institute of Microbiology, University of Veterinary and Animal Sciences, Lahore 54000, Pakistan
| | - Muhammad Waqar Aziz
- Institute of Microbiology, University of Veterinary and Animal Sciences, Lahore 54000, Pakistan
| | - Sehar Fazal
- Institute of Microbiology, University of Veterinary and Animal Sciences, Lahore 54000, Pakistan
| | - Muhammad Tahir Khan
- Institute of Microbiology, University of Veterinary and Animal Sciences, Lahore 54000, Pakistan
| | | | - Ali Asif
- Institute of Microbiology, University of Veterinary and Animal Sciences, Lahore 54000, Pakistan
| | - Zia Ullah
- Pet Centre, University of Veterinary and Animal Sciences, Lahore 54000, Pakistan
| | - Mubashir Iqbal
- Institute of Microbiology, University of Veterinary and Animal Sciences, Lahore 54000, Pakistan
| | - Talha Imtiaz
- Institute of Microbiology, University of Veterinary and Animal Sciences, Lahore 54000, Pakistan
| | - Muhammad Anwar
- Institute of Microbiology, University of Veterinary and Animal Sciences, Lahore 54000, Pakistan
| | - Nadia Mukhtar
- Institute of Microbiology, University of Veterinary and Animal Sciences, Lahore 54000, Pakistan
| | - Tahir Yaqub
- Institute of Microbiology, University of Veterinary and Animal Sciences, Lahore 54000, Pakistan
- Correspondence:
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12
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Chakraborty R, Bhattacharje G, Baral J, Manna B, Mullick J, Mathapati BS, Abraham P, J M, Hasija Y, Ghosh A, Das AK. In-silico screening and in-vitro assay show the antiviral effect of Indomethacin against SARS-CoV-2. Comput Biol Med 2022; 147:105788. [PMID: 35809412 DOI: 10.1016/j.compbiomed.2022.105788] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2022] [Revised: 05/30/2022] [Accepted: 06/26/2022] [Indexed: 11/28/2022]
Abstract
Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) has caused the worldwide spread of coronavirus disease 19 (COVID-19), and till now, it has caused death to more than 6.2 million people. Although various vaccines and drug candidates are being tested globally with limited to moderate success, a comprehensive therapeutic cure is yet to be achieved. In this study, we applied computational drug repurposing methods complemented with the analyses of the already existing gene expression data to find better therapeutics in treatment and recovery. Primarily, we identified the most crucial proteins of SARS-CoV-2 and host human cells responsible for viral infection and host response. An in-silico screening of the existing drugs was performed against the crucial proteins for SARS-CoV-2 infection, and a few existing drugs were shortlisted. Further, we analyzed the gene expression data of SARS-CoV-2 in human lung epithelial cells and investigated the molecules that can reverse the cellular mRNA expression profiles in the diseased state. LINCS L1000 and Comparative Toxicogenomics Database (CTD) were utilized to obtain two sets of compounds that can be used to counter SARS-CoV-2 infection from the gene expression perspective. Indomethacin, a nonsteroidal anti-inflammatory drug (NSAID), and Vitamin-A were found in two sets of compounds, and in the in-silico screening of existing drugs to treat SARS-CoV-2. Our in-silico findings on Indomethacin were further successfully validated by in-vitro testing in Vero CCL-81 cells with an IC50 of 12 μM. Along with these findings, we briefly discuss the possible roles of Indomethacin and Vitamin-A to counter the SARS-CoV-2 infection in humans.
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13
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He M, Cao C, Ni Z, Liu Y, Song P, Hao S, He Y, Sun X, Rao Y. PROTACs: great opportunities for academia and industry (an update from 2020 to 2021). Signal Transduct Target Ther 2022; 7:181. [PMID: 35680848 PMCID: PMC9178337 DOI: 10.1038/s41392-022-00999-9] [Citation(s) in RCA: 63] [Impact Index Per Article: 31.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2022] [Revised: 03/25/2022] [Accepted: 04/12/2022] [Indexed: 02/07/2023] Open
Abstract
PROteolysis TArgeting Chimeras (PROTACs) technology is a new protein-degradation strategy that has emerged in recent years. It uses bifunctional small molecules to induce the ubiquitination and degradation of target proteins through the ubiquitin–proteasome system. PROTACs can not only be used as potential clinical treatments for diseases such as cancer, immune disorders, viral infections, and neurodegenerative diseases, but also provide unique chemical knockdown tools for biological research in a catalytic, reversible, and rapid manner. In 2019, our group published a review article “PROTACs: great opportunities for academia and industry” in the journal, summarizing the representative compounds of PROTACs reported before the end of 2019. In the past 2 years, the entire field of protein degradation has experienced rapid development, including not only a large increase in the number of research papers on protein-degradation technology but also a rapid increase in the number of small-molecule degraders that have entered the clinical and will enter the clinical stage. In addition to PROTAC and molecular glue technology, other new degradation technologies are also developing rapidly. In this article, we mainly summarize and review the representative PROTACs of related targets published in 2020–2021 to present to researchers the exciting developments in the field of protein degradation. The problems that need to be solved in this field will also be briefly introduced.
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Affiliation(s)
- Ming He
- Ministry of Education (MOE) Key Laboratory of Protein Sciences, School of Pharmaceutical Sciences, MOE Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology, Tsinghua University, 100084, Beijing, P. R. China
| | - Chaoguo Cao
- Ministry of Education (MOE) Key Laboratory of Protein Sciences, School of Pharmaceutical Sciences, MOE Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology, Tsinghua University, 100084, Beijing, P. R. China.,Tsinghua-Peking Center for Life Sciences, 100084, Beijing, P. R. China
| | - Zhihao Ni
- Ministry of Education (MOE) Key Laboratory of Protein Sciences, School of Pharmaceutical Sciences, MOE Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology, Tsinghua University, 100084, Beijing, P. R. China
| | - Yongbo Liu
- Ministry of Education (MOE) Key Laboratory of Protein Sciences, School of Pharmaceutical Sciences, MOE Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology, Tsinghua University, 100084, Beijing, P. R. China
| | - Peilu Song
- Ministry of Education (MOE) Key Laboratory of Protein Sciences, School of Pharmaceutical Sciences, MOE Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology, Tsinghua University, 100084, Beijing, P. R. China
| | - Shuang Hao
- Ministry of Education (MOE) Key Laboratory of Protein Sciences, School of Pharmaceutical Sciences, MOE Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology, Tsinghua University, 100084, Beijing, P. R. China
| | - Yuna He
- Ministry of Education (MOE) Key Laboratory of Protein Sciences, School of Pharmaceutical Sciences, MOE Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology, Tsinghua University, 100084, Beijing, P. R. China
| | - Xiuyun Sun
- Ministry of Education (MOE) Key Laboratory of Protein Sciences, School of Pharmaceutical Sciences, MOE Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology, Tsinghua University, 100084, Beijing, P. R. China
| | - Yu Rao
- Ministry of Education (MOE) Key Laboratory of Protein Sciences, School of Pharmaceutical Sciences, MOE Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology, Tsinghua University, 100084, Beijing, P. R. China. .,School of Pharmaceutical Sciences, Zhengzhou University, 450001, Zhengzhou, China.
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14
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Maslova AA, Matyugina EC, Shustova EY, Volok VP, Kozlovskaya LI, Kochetkov SN, Khandazhinskaya AL. New Analogues of Uridine as Possible Anti-Viral Agents Specific to SARS-CoV-2. Mol Biol 2022; 56:469-473. [PMID: 35693979 PMCID: PMC9165921 DOI: 10.1134/s0026893322030098] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2021] [Revised: 12/06/2021] [Accepted: 12/07/2021] [Indexed: 11/23/2022]
Affiliation(s)
- A. A. Maslova
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, 119991 Moscow, Russia
| | - E. C. Matyugina
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, 119991 Moscow, Russia
| | - E. Yu. Shustova
- Chumakov Federal Scientific Center for Research and Development of Immune-and-Biological Products, Russian Academy of Sciences, 108819 Moscow, Russia
| | - V. P. Volok
- Chumakov Federal Scientific Center for Research and Development of Immune-and-Biological Products, Russian Academy of Sciences, 108819 Moscow, Russia
| | - L. I. Kozlovskaya
- Chumakov Federal Scientific Center for Research and Development of Immune-and-Biological Products, Russian Academy of Sciences, 108819 Moscow, Russia
- Sechenov First Moscow State Medical University, 119435 Moscow, Russia
| | - S. N. Kochetkov
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, 119991 Moscow, Russia
| | - A. L. Khandazhinskaya
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, 119991 Moscow, Russia
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15
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Uma Reddy B, Routhu NK, Kumar A. Multifaceted role of plant derived small molecule inhibitors on replication cycle of sars-cov-2. Microb Pathog 2022; 168:105512. [PMID: 35381324 PMCID: PMC8976571 DOI: 10.1016/j.micpath.2022.105512] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2022] [Revised: 03/27/2022] [Accepted: 03/30/2022] [Indexed: 11/15/2022]
Abstract
Introduction Coronavirus disease 2019 (COVID-19) is an illness caused by the new coronavirus severe acute respiratory syndrome coronavirus type 2 (SARS-CoV-2). It has affected public health and the economy globally. Currently approved vaccines and other drug candidates could be associated with several drawbacks which urges developing alternative therapeutic approaches. Aim To provide a comprehensive review of anti-SARS-CoV-2 activities of plants and their bioactive compounds. Methods Information was gathered from diverse bibliographic platforms such as PubMed, Google Scholar, and ClinicalTrials.gov registry. Results The present review highlights the potential roles of crude extracts of plants as well as plant-derived small molecules in inhibiting SARS-CoV-2 infection by targeting viral or host factors essential for viral entry, polyprotein processing, replication, assembly and release. Their anti-inflammatory and antioxidant properties as well as plant-based therapies that are under development in the clinical trial phases-1 to 3 are also covered. Conclusion This knowledge could further help understanding SARS-CoV-2 infection and anti-viral mechanisms of plant-based therapeutics.
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Affiliation(s)
- B Uma Reddy
- Department of Studies in Botany, Vijayanagara Sri Krishnadevaraya University, Ballari, 583105, India.
| | - Nanda Kishore Routhu
- Emory Vaccine Center, Division of Microbiology and Immunology, Yerkes National Primate Research Center, Emory University, Atlanta, GA 30329, USA.
| | - Anuj Kumar
- Cancer Research Center of Lyon (CRCL), INSERM 1052, CNRS UMR 5286, Lyon, 69008, France.
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16
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Osorio C, Sfera A, Anton JJ, Thomas KG, Andronescu CV, Li E, Yahia RW, Avalos AG, Kozlakidis Z. Virus-Induced Membrane Fusion in Neurodegenerative Disorders. Front Cell Infect Microbiol 2022; 12:845580. [PMID: 35531328 PMCID: PMC9070112 DOI: 10.3389/fcimb.2022.845580] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2022] [Accepted: 03/01/2022] [Indexed: 12/15/2022] Open
Abstract
A growing body of epidemiological and research data has associated neurotropic viruses with accelerated brain aging and increased risk of neurodegenerative disorders. Many viruses replicate optimally in senescent cells, as they offer a hospitable microenvironment with persistently elevated cytosolic calcium, abundant intracellular iron, and low interferon type I. As cell-cell fusion is a major driver of cellular senescence, many viruses have developed the ability to promote this phenotype by forming syncytia. Cell-cell fusion is associated with immunosuppression mediated by phosphatidylserine externalization that enable viruses to evade host defenses. In hosts, virus-induced immune dysfunction and premature cellular senescence may predispose to neurodegenerative disorders. This concept is supported by novel studies that found postinfectious cognitive dysfunction in several viral illnesses, including human immunodeficiency virus-1, herpes simplex virus-1, and SARS-CoV-2. Virus-induced pathological syncytia may provide a unified framework for conceptualizing neuronal cell cycle reentry, aneuploidy, somatic mosaicism, viral spreading of pathological Tau and elimination of viable synapses and neurons by neurotoxic astrocytes and microglia. In this narrative review, we take a closer look at cell-cell fusion and vesicular merger in the pathogenesis of neurodegenerative disorders. We present a "decentralized" information processing model that conceptualizes neurodegeneration as a systemic illness, triggered by cytoskeletal pathology. We also discuss strategies for reversing cell-cell fusion, including, TMEM16F inhibitors, calcium channel blockers, senolytics, and tubulin stabilizing agents. Finally, going beyond neurodegeneration, we examine the potential benefit of harnessing fusion as a therapeutic strategy in regenerative medicine.
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Affiliation(s)
- Carolina Osorio
- Department of Psychiatry, Loma Linda University, Loma Linda, CA, United States
| | - Adonis Sfera
- Department of Psychiatry, Loma Linda University, Loma Linda, CA, United States
- Department of Psychiatry, Patton State Hospital, San Bernardino, CA, United States
| | - Jonathan J. Anton
- Department of Psychiatry, Patton State Hospital, San Bernardino, CA, United States
| | - Karina G. Thomas
- Department of Psychiatry, Patton State Hospital, San Bernardino, CA, United States
| | - Christina V. Andronescu
- Medical Anthropology – Department of Anthropology, Stanford University, Stanford, CA, United States
| | - Erica Li
- School of Medicine, University of California, Riverside, Riverside, CA, United States
| | - Rayan W. Yahia
- School of Medicine, University of California, Riverside, Riverside, CA, United States
| | - Andrea García Avalos
- Universidad Nacional Autónoma de México (UNAM), Facultad de Medicina Campus, Ciudad de Mexico, Mexico
| | - Zisis Kozlakidis
- International Agency for Research on Cancer (IARC), Lyon, France
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Orozco Rodriguez JM, Wacklin-Knecht HP, Clifton LA, Bogojevic O, Leung A, Fragneto G, Knecht W. New Insights into the Interaction of Class II Dihydroorotate Dehydrogenases with Ubiquinone in Lipid Bilayers as a Function of Lipid Composition. Int J Mol Sci 2022; 23:2437. [PMID: 35269583 DOI: 10.3390/ijms23052437] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2021] [Revised: 02/14/2022] [Accepted: 02/17/2022] [Indexed: 12/10/2022] Open
Abstract
The fourth enzymatic reaction in the de novo pyrimidine biosynthesis, the oxidation of dihydroorotate to orotate, is catalyzed by dihydroorotate dehydrogenase (DHODH). Enzymes belonging to the DHODH Class II are membrane-bound proteins that use ubiquinones as their electron acceptors. We have designed this study to understand the interaction of an N-terminally truncated human DHODH (HsΔ29DHODH) and the DHODH from Escherichia coli (EcDHODH) with ubiquinone (Q10) in supported lipid membranes using neutron reflectometry (NR). NR has allowed us to determine in situ, under solution conditions, how the enzymes bind to lipid membranes and to unambiguously resolve the location of Q10. Q10 is exclusively located at the center of all of the lipid bilayers investigated, and upon binding, both of the DHODHs penetrate into the hydrophobic region of the outer lipid leaflet towards the Q10. We therefore show that the interaction between the soluble enzymes and the membrane-embedded Q10 is mediated by enzyme penetration. We can also show that EcDHODH binds more efficiently to the surface of simple bilayers consisting of 1-palmitoyl, 2-oleoyl phosphatidylcholine, and tetraoleoyl cardiolipin than HsΔ29DHODH, but does not penetrate into the lipids to the same degree. Our results also highlight the importance of Q10, as well as lipid composition, on enzyme binding.
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Abstract
Coronavirus disease 2019 (COVID-19) is currently a worldwide pandemic caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). Currently, there are no drugs that can specifically combat SARS-CoV-2. Besides, multiple SARS-CoV-2 variants are circulating globally. These variants may lead to immune escape or drug resistance. Natural products may be appropriate for this need due to their cost efficiency, fewer side effects, and antiviral activities. Considering these circumstances, there is a need to develop or discover more compounds that have potential to target SARS-CoV-2. Therefore, we searched for articles on natural products describing anti-SARS-CoV-2 activities by targeting the SARS-CoV-2 life cycle and the cytokine storm in COVID-19 from academic databases. We reviewed anti-SARS-CoV-2 activities of natural products, especially those that target the SARS-CoV-2 life cycle (angiotensin-converting enzyme 2, transmembrane serine protease 2, cathepsin L, 3CL protease, PL protease, RNA-dependent RNA polymerase, and helicase) and cytokine storm in COVID-19. This review may provide a repurposed approach for the discovery of specific medications using natural products to treat COVID-19 through targeting the SARS-CoV-2 life cycle and the cytokine storm in COVID-19.
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Affiliation(s)
- Minjun Lee
- Department of Korean Medicine, College of Korean Medicine, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Junwoo Park
- Department of Korean Medicine, College of Korean Medicine, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Ik-Hyun Cho
- Department of Korean Medicine, College of Korean Medicine, Kyung Hee University, Seoul 02447, Republic of Korea
- Department of Convergence Medical Science, College of Korean Medicine, Kyung Hee University, Seoul 02447, Republic of Korea
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19
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Chittum JE, Sankaranarayanan NV, O’Hara CP, Desai UR. On the Selectivity of Heparan Sulfate Recognition by SARS-CoV-2 Spike Glycoprotein. ACS Med Chem Lett 2021; 12:1710-1717. [PMID: 34786180 PMCID: PMC8525342 DOI: 10.1021/acsmedchemlett.1c00343] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2021] [Accepted: 10/05/2021] [Indexed: 12/22/2022] Open
Abstract
SARS-CoV-2 infects human cells through its surface spike glycoprotein (SgP), which relies on host cell surface heparan sulfate (HS) proteoglycans that facilitate interaction with the ACE2 receptor. Targeting this process could lead to inhibitors of early steps in viral entry. Screening a microarray of 24 HS oligosaccharides against recombinant S1 and receptor-binding domain (RBD) proteins led to identification of only eight sequences as potent antagonists; results that were supported by detailed dual-filter computational studies. Competitive studies using the HS microarray suggested almost equivalent importance of IdoA2S-GlcNS6S and GlcNS3S structures, which were supported by affinity studies. Exhaustive virtual screening on a library of >93 000 sequences led to a novel pharmacophore with at least two 3-O-sulfated GlcN residues that can engineer unique selectivity in recognizing the RBD. This work puts forward the key structural motif in HS that should lead to potent and selective HS or HS-like agents against SARS-CoV-2.
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Affiliation(s)
- John E. Chittum
- Department
of Medicinal Chemistry, School of Pharmacy, Virginia Commonwealth University, Richmond, Virginia 23298, United States
- Institute
for Structural Biology, Drug Discovery and Development, Virginia Commonwealth University, Richmond, Virginia 23219, United States
| | - Nehru Viji Sankaranarayanan
- Department
of Medicinal Chemistry, School of Pharmacy, Virginia Commonwealth University, Richmond, Virginia 23298, United States
- Institute
for Structural Biology, Drug Discovery and Development, Virginia Commonwealth University, Richmond, Virginia 23219, United States
| | - Connor P. O’Hara
- Department
of Medicinal Chemistry, School of Pharmacy, Virginia Commonwealth University, Richmond, Virginia 23298, United States
- Institute
for Structural Biology, Drug Discovery and Development, Virginia Commonwealth University, Richmond, Virginia 23219, United States
| | - Umesh R. Desai
- Department
of Medicinal Chemistry, School of Pharmacy, Virginia Commonwealth University, Richmond, Virginia 23298, United States
- Institute
for Structural Biology, Drug Discovery and Development, Virginia Commonwealth University, Richmond, Virginia 23219, United States
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20
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Sarker MT, Hasan AQF, Rafi MO, Hossain MJ, El-Mageed HRA, Elsapagh RM, Capasso R, Emran TB. A Comprehensive Overview of the Newly Emerged COVID-19 Pandemic: Features, Origin, Genomics, Epidemiology, Treatment, and Prevention. Biologics 2021; 1:357-383. [DOI: 10.3390/biologics1030021] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/01/2023]
Abstract
The coronavirus disease 2019 (COVID-19), a life-threatening pandemic caused by severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2), has resulted in massive destruction and is still continuously adding to its death toll. The advent of this global outbreak has not yet been confirmed; however, investigation for suitable prophylaxis against this lethal virus is being carried out by experts all around the globe. The SARS-CoV-2 belongs to the Coronaviridae superfamily, like the other previously occurring human coronavirus variants. To better understand a new virus variant, such as the SARS-CoV-2 delta variant, it is vital to investigate previous virus strains, including their genomic composition and functionality. Our study aimed at addressing the basic overview of the virus’ profile that may provide the scientific community with evidence-based insights into COVID-19. Therefore, this study accomplished a comprehensive literature review that includes the virus’ origin, classification, structure, life cycle, genome, mutation, epidemiology, and subsequent essential factors associated with host–virus interaction. Moreover, we summarized the considerable diagnostic measures, treatment options, including multiple therapeutic approaches, and prevention, as well as future directions that may reduce the impact and misery caused by this devastating pandemic. The observations and data provided here have been screened and accumulated through extensive literature study, hence this study will help the scientific community properly understand this new virus and provide further leads for therapeutic interventions.
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21
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Reina J. [Plitidepsin, an inhibitor of the cell elongation factor eEF1a, and molnupiravir an analogue of the ribonucleoside cytidine, two new chemical compounds with intense activity against SARS-CoV-2]. Rev Esp Quimioter 2021; 34:402-407. [PMID: 33902254 PMCID: PMC8638831 DOI: 10.37201/req/042.2021] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/08/2021] [Revised: 03/14/2021] [Accepted: 03/21/2021] [Indexed: 11/10/2022]
Abstract
The knowledge of the replicative cycle of SARS-CoV-2 and its interactions with cellular proteins has opened a new therapeutic possibility based on blocking those essential for the virus. The cellular protein elongation factor eEF1A could be a good target. Among its natural inhibitors are didemnins and their related chemical compounds such as plitidepsin. In human cell culture, this compound is capable of inhibiting the virus with a potency 27,5 times that of remdesivir. It must be administered intravenously. Of the ribonucleoside analogues, molnupiravir (MK-4483/EIDD-2801) (hydroxy-cytidine) determines a lethal mutagenesis on SARS-CoV-2. In animals, after oral administration, the pulmonary viral load decreases 25,000 times and when administered as prophylaxis, approximately 100,000 times. It prevents the transmission of the virus and eliminates its presence in the oropharynx. Both chemicals have started Phase I / II human clinical trials.
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Affiliation(s)
- J Reina
- Jordi Reina, Unidad de Virología, Hospital Universitario Son Espases. Facultad de Medicina UIB. Carretera de Valldemossa 79, 07120 Palma de Mallorca. Spain.
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22
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Jiang N, Mei Y, Yang Y, Dong Y, Ding Z, Zhang J. A General Strategy for the Stereoselective Synthesis of Pyrrole‐Fused Chiral Skeletons: [3+2] Cycloaddition with 2‐Nitro‐2,3‐Unsaturated Glycosides. ChemCatChem 2021. [DOI: 10.1002/cctc.202100795] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Affiliation(s)
- Nan Jiang
- School of Chemistry and Molecular Engineering East China Normal University Shanghai 200241
| | - Yuling Mei
- School of Chemistry and Molecular Engineering East China Normal University Shanghai 200241
| | - Yu Yang
- School of Chemistry and Molecular Engineering East China Normal University Shanghai 200241
| | - Youxian Dong
- School of Chemistry and Molecular Engineering East China Normal University Shanghai 200241
| | - Zekun Ding
- School of Chemistry and Molecular Engineering East China Normal University Shanghai 200241
| | - Jianbo Zhang
- School of Chemistry and Molecular Engineering East China Normal University Shanghai 200241
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Abstract
Oxidative mechanisms are not only involved in chronic degenerative diseases but also in infectious diseases, among which viral respiratory diseases. Antioxidants have the capability to counteract the action of oxidants by scavenging reactive oxygen species (ROS) and by inhibiting oxidant generating enzymes. Overproduction of ROS and deprivation of antioxidant systems play a major role in COVID-19 occurrence, progression, and severity. Interconnected pathways account for the relationships between oxidative damage and inflammation resulting from an interplay between transcription factors having opposite effects. For instance, Nrf2 downregulates inflammation by inhibiting endogenous antioxidant enzymes such as NQO-1 and HO-1. On the other hand, NF-κB upregulates pro-inflammatory cytokines and chemokines, such as IL-1β, IL-6, IL-8, PGE-2, COX-2, TNF-α, MMP-3, and MMP-4. A central protective role against oxidants is played by reduced glutathione (GSH), which is depleted in SARS-CoV-2 infection. N-acetylcysteine (NAC), a precursor of GSH, is of particular interest as an anti-COVID-19 agent. GSH and NAC hamper binding of the S1 subunit of SARS-CoV-2 spike proteins to the angiotensin-converting enzyme 2 (ACE2) receptor. In addition, NAC and its derivatives possess a broad array of antioxidant and antiinflammatory mechanisms that could be exploited for COVID-19 prevention and adjuvant therapy. In particular, as demonstrated in a previous clinical trial evaluating influenza and influenza-like illnesses, the oral administration of NAC may be expected to decrease the risk of developing COVID-19. Furthermore, at the very high doses used worldwide as an antidote against paracetamol intoxication, intravenous NAC is likely to attenuate the pulmonary and systemic symptoms of COVID-19.
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Affiliation(s)
| | | | - SEBASTIANO LA MAESTRA
- Department of Health Sciences, University of Genoa, Italy
- Correspondence: Sebastiano La Maestra, Department of Health Sciences, University of Genoa, via A. Pastore 1, 16132 Genoa, Italy – E-mail:
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24
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Bellotti D, Remelli M. Deferoxamine B: A Natural, Excellent and Versatile Metal Chelator. Molecules 2021; 26:3255. [PMID: 34071479 DOI: 10.3390/molecules26113255] [Citation(s) in RCA: 34] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2021] [Revised: 05/25/2021] [Accepted: 05/27/2021] [Indexed: 02/06/2023] Open
Abstract
Deferoxamine B is an outstanding molecule which has been widely studied in the past decade for its ability to bind iron and many other metal ions. The versatility of this metal chelator makes it suitable for a number of medicinal and analytical applications, from the well-known iron chelation therapy to the most recent use in sensor devices. The three bidentate hydroxamic functional groups of deferoxamine B are the centerpiece of its metal binding ability, which allows the formation of stable complexes with many transition, lanthanoid and actinoid metal ions. In addition to the ferric ion, in fact, more than 20 different metal complexes of deferoxamine b have been characterized in terms of their chemical speciation in solution. In addition, the availability of a terminal amino group, most often not involved in complexation, opens the way to deferoxamine B modification and functionalization. This review aims to collect and summarize the available data concerning the complex-formation equilibria in solutions of deferoxamine B with different metal ions. A general overview of the progress of its applications over the past decade is also discussed, including the treatment of iron overload-associated diseases, its clinical use against cancer and neurodegenerative disorders and its role as a diagnostic tool.
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25
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Sainas S, Giorgis M, Circosta P, Gaidano V, Bonanni D, Pippione AC, Bagnati R, Passoni A, Qiu Y, Cojocaru CF, Canepa B, Bona A, Rolando B, Mishina M, Ramondetti C, Buccinnà B, Piccinini M, Houshmand M, Cignetti A, Giraudo E, Al-Karadaghi S, Boschi D, Saglio G, Lolli ML. Targeting Acute Myelogenous Leukemia Using Potent Human Dihydroorotate Dehydrogenase Inhibitors Based on the 2-Hydroxypyrazolo[1,5- a]pyridine Scaffold: SAR of the Biphenyl Moiety. J Med Chem 2021; 64:5404-5428. [PMID: 33844533 PMCID: PMC8279415 DOI: 10.1021/acs.jmedchem.0c01549] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2020] [Indexed: 02/08/2023]
Abstract
The connection with acute myelogenous leukemia (AML) of dihydroorotate dehydrogenase (hDHODH), a key enzyme in pyrimidine biosynthesis, has attracted significant interest from pharma as a possible AML therapeutic target. We recently discovered compound 1, a potent hDHODH inhibitor (IC50 = 1.2 nM), able to induce myeloid differentiation in AML cell lines (THP1) in the low nM range (EC50 = 32.8 nM) superior to brequinar's phase I/II clinical trial (EC50 = 265 nM). Herein, we investigate the 1 drug-like properties observing good metabolic stability and no toxic profile when administered at doses of 10 and 25 mg/kg every 3 days for 5 weeks (Balb/c mice). Moreover, in order to identify a backup compound, we investigate the SAR of this class of compounds. Inside the series, 17 is characterized by higher potency in inducing myeloid differentiation (EC50 = 17.3 nM), strong proapoptotic properties (EC50 = 20.2 nM), and low cytotoxicity toward non-AML cells (EC30(Jurkat) > 100 μM).
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Affiliation(s)
- Stefano Sainas
- Department
of Drug Science and Technology, University
of Turin, Via P. Giuria 9, Turin 10125, Italy
| | - Marta Giorgis
- Department
of Drug Science and Technology, University
of Turin, Via P. Giuria 9, Turin 10125, Italy
| | - Paola Circosta
- Department
of Clinical and Biological Sciences, University
of Turin, Regione Gonzole 10, Orbassano, Turin 10043, Italy
- Molecular
Biotechnology Center, University of Turin, Via Nizza 52, Turin 10126, Italy
| | - Valentina Gaidano
- Department
of Clinical and Biological Sciences, University
of Turin, Regione Gonzole 10, Orbassano, Turin 10043, Italy
- Division
of Hematology, AO SS Antonio e Biagio e
Cesare Arrigo, Via Venezia
16, Alessandria 15121, Italy
| | - Davide Bonanni
- Department
of Drug Science and Technology, University
of Turin, Via P. Giuria 9, Turin 10125, Italy
| | - Agnese C. Pippione
- Department
of Drug Science and Technology, University
of Turin, Via P. Giuria 9, Turin 10125, Italy
| | - Renzo Bagnati
- Department
of Environmental Health Sciences, Istituto
di Ricerche Farmacologiche Mario Negri IRCCS, Via Mario Negri 2, Milano 20156, Italy
| | - Alice Passoni
- Department
of Environmental Health Sciences, Istituto
di Ricerche Farmacologiche Mario Negri IRCCS, Via Mario Negri 2, Milano 20156, Italy
| | - Yaqi Qiu
- Laboratory
of Tumor Microenvironment, Candiolo Cancer
Institute, FPO, IRCCS, Candiolo, Strada Provinciale, 142-KM 3.95, Candiolo, Turin 10060, Italy
- Higher
Education Mega Center, Institutes for Life Sciences, South China University of Technology, Guangzhou 510641, China
| | - Carina Florina Cojocaru
- Laboratory
of Tumor Microenvironment, Candiolo Cancer
Institute, FPO, IRCCS, Candiolo, Strada Provinciale, 142-KM 3.95, Candiolo, Turin 10060, Italy
| | - Barbara Canepa
- Gem
Forlab srl, Via Ribes,
5, Colleretto Giacosa, Turin 10010, Italy
| | - Alessandro Bona
- Gem
Chimica srl, Via Maestri
del Lavoro, 25, Busca, Cuneo 12022, Italy
| | - Barbara Rolando
- Department
of Drug Science and Technology, University
of Turin, Via P. Giuria 9, Turin 10125, Italy
| | - Mariia Mishina
- Department
of Drug Science and Technology, University
of Turin, Via P. Giuria 9, Turin 10125, Italy
| | - Cristina Ramondetti
- Department
of Oncology, University of Turin, Via Michelangelo 27/B, Turin 10125, Italy
| | - Barbara Buccinnà
- Department
of Oncology, University of Turin, Via Michelangelo 27/B, Turin 10125, Italy
| | - Marco Piccinini
- Department
of Oncology, University of Turin, Via Michelangelo 27/B, Turin 10125, Italy
| | - Mohammad Houshmand
- Department
of Clinical and Biological Sciences, University
of Turin, Regione Gonzole 10, Orbassano, Turin 10043, Italy
- Molecular
Biotechnology Center, University of Turin, Via Nizza 52, Turin 10126, Italy
| | - Alessandro Cignetti
- Division
of Hematology and Cell Therapy, AO Ordine
Mauriziano, Largo Filippo Turati, 62, Turin 10128, Italy
| | - Enrico Giraudo
- Department
of Drug Science and Technology, University
of Turin, Via P. Giuria 9, Turin 10125, Italy
- Laboratory
of Tumor Microenvironment, Candiolo Cancer
Institute, FPO, IRCCS, Candiolo, Strada Provinciale, 142-KM 3.95, Candiolo, Turin 10060, Italy
| | - Salam Al-Karadaghi
- Department
of Biochemistry and Structural Biology, Lund University, Naturvetarvägen 14, Box 124, Lund 221 00, Sweden
| | - Donatella Boschi
- Department
of Drug Science and Technology, University
of Turin, Via P. Giuria 9, Turin 10125, Italy
| | - Giuseppe Saglio
- Department
of Clinical and Biological Sciences, University
of Turin, Regione Gonzole 10, Orbassano, Turin 10043, Italy
- Division
of Hematology and Cell Therapy, AO Ordine
Mauriziano, Largo Filippo Turati, 62, Turin 10128, Italy
| | - Marco L. Lolli
- Department
of Drug Science and Technology, University
of Turin, Via P. Giuria 9, Turin 10125, Italy
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26
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Gupta A, Pradhan A, Maurya VK, Kumar S, Theengh A, Puri B, Saxena SK. Therapeutic approaches for SARS-CoV-2 infection. Methods 2021; 195:29-43. [PMID: 33962011 PMCID: PMC8096528 DOI: 10.1016/j.ymeth.2021.04.026] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2021] [Accepted: 04/30/2021] [Indexed: 01/18/2023] Open
Abstract
Therapeutic approaches to COVID-19 treatment require appropriate inhibitors to target crucial proteins of SARS-CoV-2 replication machinery. It’s been approximately 12 months since the pandemic started, yet no known specific drugs are available. However, research progresses with time in terms of high throughput virtual screening (HTVS) and rational design of repurposed, novel synthetic and natural products discovery by understanding the viral life cycle, immuno-pathological and clinical outcomes in patients based on host’s nutritional, metabolic, and lifestyle status. Further, complementary and alternative medicine (CAM) approaches have also improved resiliency and immune responses. In this article, we summarize all the therapeutic antiviral strategies for COVID-19 drug discovery including computer aided virtual screening, repurposed drugs, immunomodulators, vaccines, plasma therapy, various adjunct therapies, and phage technology to unravel insightful mechanistic pathways of targeting SARS-CoV-2 and host’s intrinsic, innate immunity at multiple checkpoints that aid in the containment of the disease.
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Affiliation(s)
- Ankur Gupta
- Government Pharmacy College, Sajong, Rumtek, Gangtok 737135, India
| | - Anish Pradhan
- Government Pharmacy College, Sajong, Rumtek, Gangtok 737135, India
| | - Vimal K Maurya
- Centre for Advanced Research (CFAR), Faculty of Medicine, King George's Medical University (KGMU), Lucknow 226003, India
| | - Swatantra Kumar
- Centre for Advanced Research (CFAR), Faculty of Medicine, King George's Medical University (KGMU), Lucknow 226003, India
| | - Angila Theengh
- Government Pharmacy College, Sajong, Rumtek, Gangtok 737135, India
| | - Bipin Puri
- Centre for Advanced Research (CFAR), Faculty of Medicine, King George's Medical University (KGMU), Lucknow 226003, India
| | - Shailendra K Saxena
- Centre for Advanced Research (CFAR), Faculty of Medicine, King George's Medical University (KGMU), Lucknow 226003, India.
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27
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Kiani P, Scholey A, Dahl TA, McMann L, Iversen JM, Verster JC. In Vitro Assessment of the Antiviral Activity of Ketotifen, Indomethacin and Naproxen, Alone and in Combination, against SARS-CoV-2. Viruses 2021; 13:558. [PMID: 33810356 DOI: 10.3390/v13040558] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2021] [Revised: 03/23/2021] [Accepted: 03/25/2021] [Indexed: 12/19/2022] Open
Abstract
The 2019 coronavirus infectious disease (COVID-19) is caused by infection with the new severe acute respiratory syndrome coronavirus (SARS-CoV-2). Currently, the treatment options for COVID-19 are limited. The purpose of the experiments presented here was to investigate the effectiveness of ketotifen, naproxen and indomethacin, alone or in combination, in reducing SARS-CoV-2 replication. In addition, the cytotoxicity of the drugs was evaluated. The findings showed that the combination of ketotifen with indomethacin (SJP-002C) or naproxen both reduce viral yield. Compared to ketotifen alone (60% inhibition at EC50), an increase in percentage inhibition of SARS-CoV-2 to 79%, 83% and 93% was found when co-administered with 25, 50 and 100 μM indomethacin, respectively. Compared to ketotifen alone, an increase in percentage inhibition of SARS-CoV-2 to 68%, 68% and 92% was found when co-administered with 25, 50 and 100 μM naproxen, respectively. For both drug combinations the observations suggest an additive or synergistic effect, compared to administering the drugs alone. No cytotoxic effects were observed for the administered dosages of ketotifen, naproxen, and indomethacin. Further research is warranted to investigate the efficacy of the combination of ketotifen with indomethacin (SJP-002C) or naproxen in the treatment of SARS-CoV-2 infection in humans.
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28
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Hosseini M, Chen W, Xiao D, Wang C. Computational molecular docking and virtual screening revealed promising SARS-CoV-2 drugs. Precis Clin Med 2021; 4:1-16. [PMID: 33842834 PMCID: PMC7928605 DOI: 10.1093/pcmedi/pbab001] [Citation(s) in RCA: 50] [Impact Index Per Article: 16.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2020] [Revised: 01/13/2021] [Accepted: 01/14/2021] [Indexed: 01/18/2023] Open
Abstract
The pandemic of novel coronavirus disease 2019 (COVID-19) has rampaged the world, with more than 58.4 million confirmed cases and over 1.38 million deaths across the world by 23 November 2020. There is an urgent need to identify effective drugs and vaccines to fight against the virus. Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) belongs to the family of coronaviruses consisting of four structural and 16 non-structural proteins (NSP). Three non-structural proteins, main protease (Mpro), papain-like protease (PLpro), and RNA-dependent RNA polymerase (RdRp), are believed to have a crucial role in replication of the virus. We applied computational ligand-receptor binding modeling and performed comprehensive virtual screening on FDA-approved drugs against these three SARS-CoV-2 proteins using AutoDock Vina, Glide, and rDock. Our computational studies identified six novel ligands as potential inhibitors against SARS-CoV-2, including antiemetics rolapitant and ondansetron for Mpro; labetalol and levomefolic acid for PLpro; and leucal and antifungal natamycin for RdRp. Molecular dynamics simulation confirmed the stability of the ligand-protein complexes. The results of our analysis with some other suggested drugs indicated that chloroquine and hydroxychloroquine had high binding energy (low inhibitory effect) with all three proteins-Mpro, PLpro, and RdRp. In summary, our computational molecular docking approach and virtual screening identified some promising candidate SARS-CoV-2 inhibitors that may be considered for further clinical studies.
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Affiliation(s)
- Maryam Hosseini
- Center for Genomics, School of Medicine, Loma Linda University, Loma Linda, CA 92350, USA
| | - Wanqiu Chen
- Center for Genomics, School of Medicine, Loma Linda University, Loma Linda, CA 92350, USA
| | - Daliao Xiao
- Lawrence D. Longo, MD Center for Perinatal Biology, Department of Basic Sciences, School of Medicine, Loma Linda University, Loma Linda, CA 92350, USA
| | - Charles Wang
- Center for Genomics, School of Medicine, Loma Linda University, Loma Linda, CA 92350, USA
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