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Li Y, Huo S, Yin Z, Tian Z, Huang F, Liu P, Liu Y, Yu F. Retracted and republished from: "The current state of research on influenza antiviral drug development: drugs in clinical trial and licensed drugs". mBio 2024; 15:e0017524. [PMID: 38551343 PMCID: PMC11077966 DOI: 10.1128/mbio.00175-24] [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] [Indexed: 05/09/2024] Open
Abstract
Influenza viruses (IVs) threaten global human health due to the high morbidity, infection, and mortality rates. Currently, the influenza drugs recommended by the Food and Drug Administration are oseltamivir, zanamivir, peramivir, and baloxavir marboxil. These recommended antivirals are currently effective for major subtypes of IVs as the compounds target conserved domains in neuraminidase or polymerase acidic (PA) protein. However, this trend may gradually change due to the selection of antiviral drugs and the natural evolution of IVs. Therefore, there is an urgent need to develop drugs related to the treatment of influenza to deal with the next pandemic. Here, we summarized the cutting-edge research in mechanism of action, inhibitory activity, and clinical efficacy of drugs that have been approved and drugs that are still in clinical trials for influenza treatment. We hope this review will provide up-to-date and comprehensive information on influenza antivirals and generate hypotheses for screens and development of new broad-spectrum influenza drugs in the near future.
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Affiliation(s)
- Yanbai Li
- Hebei Key Laboratory of Analysis and Control of Zoonotic Pathogenic Microorganism, Hebei Wild Animal Health Center, College of Life Sciences, Hebei Agricultural University, Baoding, China
| | - Shanshan Huo
- Hebei Key Laboratory of Analysis and Control of Zoonotic Pathogenic Microorganism, Hebei Wild Animal Health Center, College of Life Sciences, Hebei Agricultural University, Baoding, China
| | - Zhe Yin
- Hebei Key Laboratory of Analysis and Control of Zoonotic Pathogenic Microorganism, Hebei Wild Animal Health Center, College of Life Sciences, Hebei Agricultural University, Baoding, China
| | - Zuguang Tian
- Department of High-Tech Development, Baoding City Science and Technology Bureau, Baoding, China
| | - Fang Huang
- Epidemic Prevention Laboratory, Tongzhou District Center For Animal Disease Control and Prevention, Beijing, China
| | - Peng Liu
- Hebei Key Laboratory of Analysis and Control of Zoonotic Pathogenic Microorganism, Hebei Wild Animal Health Center, College of Life Sciences, Hebei Agricultural University, Baoding, China
| | - Yue Liu
- Department of Biochemistry and Biophysics, University of California, San Francisco, California, USA
| | - Fei Yu
- Hebei Key Laboratory of Analysis and Control of Zoonotic Pathogenic Microorganism, Hebei Wild Animal Health Center, College of Life Sciences, Hebei Agricultural University, Baoding, China
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Stannard H, Koszalka P, Deshpande N, Desjardins Y, Baz M. Pre-Clinical Evaluation of the Antiviral Activity of Epigalocatechin-3-Gallate, a Component of Green Tea, against Influenza A(H1N1)pdm Viruses. Viruses 2023; 15:2447. [PMID: 38140688 PMCID: PMC10747412 DOI: 10.3390/v15122447] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2023] [Revised: 12/10/2023] [Accepted: 12/12/2023] [Indexed: 12/24/2023] Open
Abstract
Influenza antiviral drugs are important tools in our fight against both annual influenza epidemics and pandemics. Polyphenols are a group of compounds found in plants, some of which have demonstrated promising antiviral activity. Previous in vitro and mouse studies have outlined the anti-influenza virus effectiveness of the polyphenol epigallocatechin-3-gallate (EGCG); however, no study has utilised the ferret model, which is considered the gold-standard for influenza antiviral studies. This study aimed to explore the antiviral efficacy of EGCG in vitro and in ferrets. We first performed studies in Madin-Darby Canine Kidney (MDCK) and human lung carcinoma (Calu-3) cells, which demonstrated antiviral activity. In MDCK cells, we observed a selective index (SI, CC50/IC50) of 77 (290 µM/3.8 µM) and 96 (290 µM/3.0 µM) against A/California/07/2009 and A/Victoria/2570/2019 (H1N1)pdm09 influenza virus, respectively. Calu-3 cells demonstrated a SI of 16 (420 µM/26 µM) and 18 (420 µM/24 µM). Ferrets infected with A/California/07/2009 influenza virus and treated with EGCG (500 mg/kg/day for 4 days) had no change in respiratory tissue viral titres, in contrast to oseltamivir treatment, which significantly reduced viral load in the lungs of treated animals. Therefore, we demonstrated that although EGCG showed antiviral activity in vitro against influenza viruses, the drug failed to impair viral replication in the respiratory tract of ferrets.
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Affiliation(s)
- Harry Stannard
- WHO Collaborating Centre for Reference and Research on Influenza, at the Peter Doherty Institute for Infection and Immunity, Melbourne, VIC 3000, Australia; (H.S.)
| | - Paulina Koszalka
- WHO Collaborating Centre for Reference and Research on Influenza, at the Peter Doherty Institute for Infection and Immunity, Melbourne, VIC 3000, Australia; (H.S.)
| | - Nikita Deshpande
- WHO Collaborating Centre for Reference and Research on Influenza, at the Peter Doherty Institute for Infection and Immunity, Melbourne, VIC 3000, Australia; (H.S.)
| | - Yves Desjardins
- Institute of Nutrition and Functional Foods, Centre Nutrition, Santé et Societé (NUTRISS) Center, Faculté de Sciences de L’agriculture et de L’alimentation (FSAA), Université Laval, Quebec City, QC G1V 4L3, Canada
| | - Mariana Baz
- WHO Collaborating Centre for Reference and Research on Influenza, at the Peter Doherty Institute for Infection and Immunity, Melbourne, VIC 3000, Australia; (H.S.)
- Department of Microbiology and Immunology, at the Peter Doherty Institute for Infection and Immunity, The University of Melbourne, Melbourne, VIC 3000, Australia
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Liu C, Hu L, Dong G, Zhang Y, Ferreira da Silva-Júnior E, Liu X, Menéndez-Arias L, Zhan P. Emerging drug design strategies in anti-influenza drug discovery. Acta Pharm Sin B 2023; 13:4715-4732. [PMID: 38045039 PMCID: PMC10692392 DOI: 10.1016/j.apsb.2023.08.010] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2023] [Revised: 07/12/2023] [Accepted: 08/03/2023] [Indexed: 12/05/2023] Open
Abstract
Influenza is an acute respiratory infection caused by influenza viruses (IFV), According to the World Health Organization (WHO), seasonal IFV epidemics result in approximately 3-5 million cases of severe illness, leading to about half a million deaths worldwide, along with severe economic losses and social burdens. Unfortunately, frequent mutations in IFV lead to a certain lag in vaccine development as well as resistance to existing antiviral drugs. Therefore, it is of great importance to develop anti-IFV drugs with high efficiency against wild-type and resistant strains, needed in the fight against current and future outbreaks caused by different IFV strains. In this review, we summarize general strategies used for the discovery and development of antiviral agents targeting multiple IFV strains (including those resistant to available drugs). Structure-based drug design, mechanism-based drug design, multivalent interaction-based drug design and drug repurposing are amongst the most relevant strategies that provide a framework for the development of antiviral drugs targeting IFV.
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Affiliation(s)
- Chuanfeng Liu
- Department of Medicinal Chemistry, Key Laboratory of Chemical Biology (Ministry of Education), School of Pharmaceutical Sciences, Shandong University, Jinan 250012, China
| | - Lide Hu
- Department of Medicinal Chemistry, Key Laboratory of Chemical Biology (Ministry of Education), School of Pharmaceutical Sciences, Shandong University, Jinan 250012, China
| | - Guanyu Dong
- Department of Medicinal Chemistry, Key Laboratory of Chemical Biology (Ministry of Education), School of Pharmaceutical Sciences, Shandong University, Jinan 250012, China
| | - Ying Zhang
- Department of Medicinal Chemistry, Key Laboratory of Chemical Biology (Ministry of Education), School of Pharmaceutical Sciences, Shandong University, Jinan 250012, China
| | - Edeildo Ferreira da Silva-Júnior
- Laboratory of Medicinal Chemistry, Institute of Pharmaceutical Sciences, Federal University of Alagoas, Maceió 57072-970, Alagoas, Brazil
| | - Xinyong Liu
- Department of Medicinal Chemistry, Key Laboratory of Chemical Biology (Ministry of Education), School of Pharmaceutical Sciences, Shandong University, Jinan 250012, China
| | - Luis Menéndez-Arias
- Centro de Biología Molecular “Severo Ochoa” (Consejo Superior de Investigaciones Científicas & Universidad Autónoma de Madrid), Madrid 28049, Spain
| | - Peng Zhan
- Department of Medicinal Chemistry, Key Laboratory of Chemical Biology (Ministry of Education), School of Pharmaceutical Sciences, Shandong University, Jinan 250012, China
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Li Y, Huo S, Yin Z, Tian Z, Huang F, Liu P, Liu Y, Yu F. The current state of research on influenza antiviral drug development: drugs in clinical trial and licensed drugs. mBio 2023; 14:e0127323. [PMID: 37610204 PMCID: PMC10653855 DOI: 10.1128/mbio.01273-23] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/24/2023] Open
Abstract
Influenza viruses (IVs) threaten global human health due to the high morbidity, infection, and mortality rates. Currently, the influenza drugs recommended by the FDA are oseltamivir, zanamivir, peramivir, and baloxavir marboxil. Notably, owing to the high variability of IVs, no drug exists that can effectively treat all types and subtypes of IVs. Moreover, the current trend of drug resistance is likely to continue as the viral genome is constantly mutating. Therefore, there is an urgent need to develop drugs related to the treatment of influenza to deal with the next pandemic. Here, we summarized the cutting-edge research in mechanism of action, inhibitory activity, and clinical efficacy of drugs that have been approved and drugs that are still in clinical trials for influenza treatment. We hope this review will provide up-to-date and comprehensive information on influenza antivirals and generate hypotheses for screens and development of new broad-spectrum influenza drugs in the near future.
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Affiliation(s)
- Yanbai Li
- Hebei Key Laboratory of Analysis and Control of Zoonotic Pathogenic Microorganism, Hebei Wild Animal Health Center, College of Life Sciences, Hebei Agricultural University, Baoding, China
| | - Shanshan Huo
- Hebei Key Laboratory of Analysis and Control of Zoonotic Pathogenic Microorganism, Hebei Wild Animal Health Center, College of Life Sciences, Hebei Agricultural University, Baoding, China
| | - Zhe Yin
- Hebei Key Laboratory of Analysis and Control of Zoonotic Pathogenic Microorganism, Hebei Wild Animal Health Center, College of Life Sciences, Hebei Agricultural University, Baoding, China
| | - Zuguang Tian
- Baoding City Science and Technology Bureau, Baoding, China
| | - Fang Huang
- Tongzhou District Center For Animal Disease Control and Prevention, Beijing, China
| | - Peng Liu
- Hebei Key Laboratory of Analysis and Control of Zoonotic Pathogenic Microorganism, Hebei Wild Animal Health Center, College of Life Sciences, Hebei Agricultural University, Baoding, China
| | - Yue Liu
- Department of Biochemistry and Biophysics, University of California, San Francisco, California, USA
| | - Fei Yu
- Hebei Key Laboratory of Analysis and Control of Zoonotic Pathogenic Microorganism, Hebei Wild Animal Health Center, College of Life Sciences, Hebei Agricultural University, Baoding, China
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Influenza Treatment: Limitations of Antiviral Therapy and Advantages of Drug Combination Therapy. Microorganisms 2023; 11:microorganisms11010183. [PMID: 36677475 PMCID: PMC9865513 DOI: 10.3390/microorganisms11010183] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2022] [Revised: 12/23/2022] [Accepted: 01/09/2023] [Indexed: 01/15/2023] Open
Abstract
Influenza infection is serious and debilitating for humans and animals. The influenza virus undergoes incessant mutation, segment recombination, and genome reassortment. As a result, new epidemics and pandemics are expected to emerge, making the elimination challenging of the disease. Antiviral therapy has been used for the treatment of influenza since the development of amantadine in the 1960s; however, its use is hampered by the emergence of novel strains and the development of drug resistance. Thus, combinational therapy with two or more antivirals or immunomodulators with different modes of action is the optimal strategy for the effective treatment of influenza infection. In this review, we describe current options for combination therapy, their performance, and constraints imposed by resistance, calling attention to the advantages of combination therapy against severe influenza infections. We also discuss the challenges of influenza therapy and the limitations of approved antiviral drugs.
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Induction of Interferon-Stimulated Genes Correlates with Reduced Growth of Influenza A Virus in Lungs after RIG-I Agonist Treatment of Ferrets. J Virol 2022; 96:e0055922. [PMID: 35916513 PMCID: PMC9400473 DOI: 10.1128/jvi.00559-22] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023] Open
Abstract
Intracellular RIG-I receptors represent key innate sensors of RNA virus infection, and RIG-I activation results in the induction of hundreds of host effector genes, including interferon-stimulated genes (ISGs). Synthetic RNA agonists targeting RIG-I have shown promise as antivirals against a broad spectrum of viruses, including influenza A virus (IAV), in both in vitro and mouse models of infection. Herein, we demonstrate that treatment of a ferret airway epithelial (FRL) cell line with a RIG-I agonist rapidly and potently induced expression of a broad range of ISGs and resulted in potent inhibition of growth of different IAV strains. In ferrets, a single intravenous injection of RIG-I agonist was associated with upregulated ISG expression in peripheral blood mononuclear cells and lung tissue, but not in nasal tissues. In a ferret model of viral contact transmission, a single treatment of recipient animals 24 h prior to cohousing with IAV-infected donors did not reduce virus transmission and shedding but did result in reduced lung virus titers 6 days after treatment. A single treatment of the IAV-infected donor animals also resulted in reduced virus titers in the lungs 2 days later. Thus, a single intravenous treatment with RIG-I agonist prior to infection or to ferrets with an established IAV infection can reduce virus growth in the lungs. These findings support further development of RIG-I agonists as effective antiviral treatments to limit the impact of IAV infections, particularly in reducing virus replication in the lower airways. IMPORTANCE RIG-I agonists have shown potential as broad-spectrum antivirals in vitro and in mouse models of infection. However, their antiviral potential has not been reported in outbred animals such as ferrets, which are widely regarded as the gold standard small animal model for human IAV infections. Herein, we demonstrate that RIG-I agonist treatment of a ferret airway cell line resulted in ISG induction and inhibition of a broad range of human influenza viruses. A single intravenous treatment of ferrets also resulted in systemic induction of ISGs, including in lung tissue, and when delivered to animals prior to IAV exposure or to animals with established IAV infection treatment resulted in reduced virus replication in the lungs. These data demonstrate the effectiveness of single RIG-I treatment against IAV in the ferret model and highlight the importance of future studies to optimize treatment regimens and delivery routes to maximize their ability to ameliorate IAV infections.
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Effect of Baloxavir and Oseltamivir in Combination on Infection with Influenza Viruses with PA/I38T or PA/E23K Substitutions in the Ferret Model. mBio 2022; 13:e0105622. [PMID: 35938724 PMCID: PMC9426601 DOI: 10.1128/mbio.01056-22] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Abstract
Amino acid substitutions I38T and E23K in the influenza polymerase acidic (PA) protein lead to reduced susceptibility to the influenza antiviral drug baloxavir. The in vivo effectiveness of baloxavir and oseltamivir for treatment of these viruses is currently unknown. Using patient-derived influenza isolates, combination therapy was equally effective as monotherapy in reducing viral titers in the upper respiratory tract of ferrets infected with A(H1N1pdm09)-PA/E23K or A(H3N2)-PA/I38T. When treated with baloxavir plus oseltamivir, infection with a mixture of PA/I38T or PA/E23K and corresponding wild-type virus was characterized by a lower selection of viruses with reduced baloxavir susceptibility over the course of infection compared to baloxavir monotherapy. De novo emergence of the oseltamivir resistance mutation NA/H275Y occurred in ferrets treated with oseltamivir alone but not in ferrets treated with baloxavir plus oseltamivir. Our data suggest that combination therapy with influenza drugs with different mechanisms of action decreased the selection pressure for viruses with reduced drug susceptibility.
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Expression of a Functional Mx1 Protein Is Essential for the Ability of RIG-I Agonist Prophylaxis to Provide Potent and Long-Lasting Protection in a Mouse Model of Influenza A Virus Infection. Viruses 2022; 14:v14071547. [PMID: 35891527 PMCID: PMC9319350 DOI: 10.3390/v14071547] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2022] [Revised: 07/12/2022] [Accepted: 07/13/2022] [Indexed: 02/01/2023] Open
Abstract
RIG-I is an innate sensor of RNA virus infection and its activation induces interferon-stimulated genes (ISGs). In vitro studies using human cells have demonstrated the ability of synthetic RIG-I agonists (3pRNA) to inhibit IAV replication. However, in mouse models of IAV the effectiveness of 3pRNA reported to date differs markedly between studies. Myxoma resistance (Mx)1 is an ISG protein which mediates potent anti-IAV activity, however most inbred mouse strains do not express a functional Mx1. Herein, we utilised C57BL/6 mice that do (B6.A2G-Mx1) and do not (B6-WT) express functional Mx1 to assess the ability of prophylactic 3pRNA treatment to induce ISGs and to protect against subsequent IAV infection. In vitro, 3pRNA treatment of primary lung cells from B6-WT and B6.A2G-Mx1 mice resulted in ISG induction however inhibition of IAV infection was more potent in cells from B6.A2G-Mx1 mice. In vivo, a single intravenous injection of 3pRNA resulted in ISG induction in lungs of both B6-WT and B6.A2G-Mx1 mice, however potent and long-lasting protection against subsequent IAV challenge was only observed in B6.A2G-Mx1 mice. Thus, despite broad ISG induction, expression of a functional Mx1 is critical for potent and long-lasting RIG-I agonist-mediated protection in the mouse model of IAV infection.
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Caceres CJ, Seibert B, Cargnin Faccin F, Cardenas-Garcia S, Rajao DS, Perez DR. Influenza antivirals and animal models. FEBS Open Bio 2022; 12:1142-1165. [PMID: 35451200 PMCID: PMC9157400 DOI: 10.1002/2211-5463.13416] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2022] [Revised: 03/04/2022] [Accepted: 04/20/2022] [Indexed: 11/29/2022] Open
Abstract
Influenza A and B viruses are among the most prominent human respiratory pathogens. About 3-5 million severe cases of influenza are associated with 300 000-650 000 deaths per year globally. Antivirals effective at reducing morbidity and mortality are part of the first line of defense against influenza. FDA-approved antiviral drugs currently include adamantanes (rimantadine and amantadine), neuraminidase inhibitors (NAI; peramivir, zanamivir, and oseltamivir), and the PA endonuclease inhibitor (baloxavir). Mutations associated with antiviral resistance are common and highlight the need for further improvement and development of novel anti-influenza drugs. A summary is provided for the current knowledge of the approved influenza antivirals and antivirals strategies under evaluation in clinical trials. Preclinical evaluations of novel compounds effective against influenza in different animal models are also discussed.
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Affiliation(s)
- C Joaquin Caceres
- Department of Population Health, College of Veterinary Medicine, University of Georgia, Athens, GA, USA
| | - Brittany Seibert
- Department of Population Health, College of Veterinary Medicine, University of Georgia, Athens, GA, USA
| | - Flavio Cargnin Faccin
- Department of Population Health, College of Veterinary Medicine, University of Georgia, Athens, GA, USA
| | - Stivalis Cardenas-Garcia
- Department of Population Health, College of Veterinary Medicine, University of Georgia, Athens, GA, USA
| | - Daniela S Rajao
- Department of Population Health, College of Veterinary Medicine, University of Georgia, Athens, GA, USA
| | - Daniel R Perez
- Department of Population Health, College of Veterinary Medicine, University of Georgia, Athens, GA, USA
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Abstract
Antiviral drugs are an important measure of control for influenza in the population, particularly for those that are severely ill or hospitalised. The neuraminidase inhibitor (NAI) class of drugs, including oseltamivir, have been the standard of care (SOC) for severe influenza illness for many years. The approval of drugs with novel mechanisms of action, such as baloxavir marboxil, is important and broadens potential treatment options for combination therapy. The use of antiviral treatments in combination for influenza is of interest; one potential benefit of this treatment strategy is that the combination of drugs with different mechanisms of action may lower the selection of resistance due to treatment. In addition, combination therapy may become an important treatment option to improve patient outcomes in those with severe illness due to influenza or those that are immunocompromised. Clinical trials increasingly evaluate drug combinations in a range of patient cohorts. Here, we summarise preclinical and clinical advances in combination therapy for the treatment of influenza with reference to immunocompromised animal models and clinical data in hospitalised patient cohorts where available. There is a wide array of drug categories in development that have also been tested in combination. Therefore, in this review, we have included polymerase inhibitors, monoclonal antibodies (mAbs), host-targeted therapies, and adjunctive therapies. Combination treatment regimens should be carefully evaluated to determine whether they provide an added benefit relative to effectiveness of monotherapy and in a variety of patient cohorts, particularly, if there is a greater chance of an adverse outcome. Safe and effective treatment of influenza is important not only for seasonal influenza infection, but also if a pandemic strain was to emerge.
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Abstract
Influenza viruses are one of the leading causes of respiratory tract infections in humans and their newly emerging and re-emerging virus strains are responsible for seasonal epidemics and occasional pandemics, leading to a serious threat to global public health systems. The poor clinical outcome and pathogenesis during influenza virus infection in humans and animal models are often associated with elevated proinflammatory cytokines and chemokines production, which is also known as hypercytokinemia or "cytokine storm", that precedes acute respiratory distress syndrome (ARDS) and often leads to death. Although we still do not fully understand the complex nature of cytokine storms, the use of immunomodulatory drugs is a promising approach for treating hypercytokinemia induced by an acute viral infection, including highly pathogenic avian influenza virus infection and Coronavirus Disease 2019 (COVID-19). This review aims to discuss the immune responses and cytokine storm pathology induced by influenza virus infection and also summarize alternative experimental strategies for treating hypercytokinemia caused by influenza virus.
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Affiliation(s)
- Fanhua Wei
- Key Laboratory of Ministry of Education for Conservation and Utilization of Special Biological Resources in Western China, Ningxia University, Yinchuan, China.,College of Agriculture, Ningxia University, Yinchuan, China
| | - Chengjiang Gao
- Key Laboratory of Infection and Immunity of Shandong Province & Department of Immunology, School of Biomedical Sciences, Shandong University, Jinan, China
| | - Yujiong Wang
- Key Laboratory of Ministry of Education for Conservation and Utilization of Special Biological Resources in Western China, Ningxia University, Yinchuan, China.,College of Life Science, Ningxia University, Yinchuan, China
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Chen L, Chen J, Zhu LM. Two Cu(II) coordination polymers: Photocatalytic Cr(VI) reduction and treatment activity on influenza A virus infection by inducing IFITM expression. ARAB J CHEM 2020. [DOI: 10.1016/j.arabjc.2020.06.021] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023] Open
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Tilmanis D, Koszalka P, Barr IG, Rossignol JF, Mifsud E, Hurt AC. Host-targeted nitazoxanide has a high barrier to resistance but does not reduce the emergence or proliferation of oseltamivir-resistant influenza viruses in vitro or in vivo when used in combination with oseltamivir. Antiviral Res 2020; 180:104851. [DOI: 10.1016/j.antiviral.2020.104851] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2020] [Revised: 06/05/2020] [Accepted: 06/07/2020] [Indexed: 11/16/2022]
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Helmy YA, Fawzy M, Elaswad A, Sobieh A, Kenney SP, Shehata AA. The COVID-19 Pandemic: A Comprehensive Review of Taxonomy, Genetics, Epidemiology, Diagnosis, Treatment, and Control. J Clin Med 2020; 9:E1225. [PMID: 32344679 PMCID: PMC7230578 DOI: 10.3390/jcm9041225] [Citation(s) in RCA: 360] [Impact Index Per Article: 90.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2020] [Revised: 04/19/2020] [Accepted: 04/21/2020] [Indexed: 12/15/2022] Open
Abstract
A pneumonia outbreak with unknown etiology was reported in Wuhan, Hubei province, China, in December 2019, associated with the Huanan Seafood Wholesale Market. The causative agent of the outbreak was identified by the WHO as the severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2), producing the disease named coronavirus disease-2019 (COVID-19). The virus is closely related (96.3%) to bat coronavirus RaTG13, based on phylogenetic analysis. Human-to-human transmission has been confirmed even from asymptomatic carriers. The virus has spread to at least 200 countries, and more than 1,700,000 confirmed cases and 111,600 deaths have been recorded, with massive global increases in the number of cases daily. Therefore, the WHO has declared COVID-19 a pandemic. The disease is characterized by fever, dry cough, and chest pain with pneumonia in severe cases. In the beginning, the world public health authorities tried to eradicate the disease in China through quarantine but are now transitioning to prevention strategies worldwide to delay its spread. To date, there are no available vaccines or specific therapeutic drugs to treat the virus. There are many knowledge gaps about the newly emerged SARS-CoV-2, leading to misinformation. Therefore, in this review, we provide recent information about the COVID-19 pandemic. This review also provides insights for the control of pathogenic infections in humans such as SARS-CoV-2 infection and future spillovers.
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Affiliation(s)
- Yosra A. Helmy
- Department of Veterinary Preventive Medicine, Ohio Agricultural Research and Development Center, The Ohio State University, Wooster, OH 44691, USA;
- Department of Animal Hygiene, Zoonoses and Animal Ethology, Faculty of Veterinary Medicine, Suez Canal University, Ismailia 41522, Egypt
| | - Mohamed Fawzy
- Department of Virology, Faculty of Veterinary Medicine, Suez Canal University, Ismailia 41522, Egypt
| | - Ahmed Elaswad
- Department of Animal Wealth Development, Faculty of Veterinary Medicine, Suez Canal University, Ismailia 41522, Egypt;
| | - Ahmed Sobieh
- Department of Radiology, University of Massachusetts Medical School, Worcester, MA 01655, USA;
| | - Scott P. Kenney
- Department of Veterinary Preventive Medicine, Ohio Agricultural Research and Development Center, The Ohio State University, Wooster, OH 44691, USA;
| | - Awad A. Shehata
- Avian and Rabbit Diseases Department, Faculty of Veterinary Medicine, Sadat City University, Sadat 32897, Egypt;
- Research and Development Section, PerNaturam GmbH, 56290 Gödenroth, Germany
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