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Shum MHH, Lee Y, Tam L, Xia H, Chung OLW, Guo Z, Lam TTY. Binding affinity between coronavirus spike protein and human ACE2 receptor. Comput Struct Biotechnol J 2024; 23:759-770. [PMID: 38304547 PMCID: PMC10831124 DOI: 10.1016/j.csbj.2024.01.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2023] [Revised: 01/14/2024] [Accepted: 01/15/2024] [Indexed: 02/03/2024] Open
Abstract
Coronaviruses (CoVs) pose a major risk to global public health due to their ability to infect diverse animal species and potential for emergence in humans. The CoV spike protein mediates viral entry into the cell and plays a crucial role in determining the binding affinity to host cell receptors. With particular emphasis on α- and β-coronaviruses that infect humans and domestic animals, current research on CoV receptor use suggests that the exploitation of the angiotensin-converting enzyme 2 (ACE2) receptor poses a significant threat for viral emergence with pandemic potential. This review summarizes the approaches used to study binding interactions between CoV spike proteins and the human ACE2 (hACE2) receptor. Solid-phase enzyme immunoassays and cell binding assays allow qualitative assessment of binding but lack quantitative evaluation of affinity. Surface plasmon resonance, Bio-layer interferometry, and Microscale Thermophoresis on the other hand, provide accurate affinity measurement through equilibrium dissociation constants (KD). In silico modeling predicts affinity through binding structure modeling, protein-protein docking simulations, and binding energy calculations but reveals inconsistent results due to the lack of a standardized approach. Machine learning and deep learning models utilize simulated and experimental protein-protein interaction data to elucidate the critical residues associated with CoV binding affinity to hACE2. Further optimization and standardization of existing approaches for studying binding affinity could aid pandemic preparedness. Specifically, prioritizing surveillance of CoVs that can bind to human receptors stands to mitigate the risk of zoonotic spillover.
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Affiliation(s)
- Marcus Ho-Hin Shum
- State Key Laboratory of Emerging Infectious Diseases, The University of Hong Kong, Hong Kong, China
- School of Public Health, The University of Hong Kong, Hong Kong, China
- Laboratory of Data Discovery for Health (D24H), Hong Kong Science Park, Hong Kong, China
| | - Yang Lee
- School of Public Health, The University of Hong Kong, Hong Kong, China
- Centre for Immunology and Infection (C2i), Hong Kong Science Park, Hong Kong, China
| | - Leighton Tam
- School of Public Health, The University of Hong Kong, Hong Kong, China
- Laboratory of Data Discovery for Health (D24H), Hong Kong Science Park, Hong Kong, China
| | - Hui Xia
- Department of Chemistry, South University of Science and Technology of China, China
- Department of Chemistry, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong, China
| | - Oscar Lung-Wa Chung
- Department of Chemistry, South University of Science and Technology of China, China
| | - Zhihong Guo
- Department of Chemistry, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong, China
| | - Tommy Tsan-Yuk Lam
- State Key Laboratory of Emerging Infectious Diseases, The University of Hong Kong, Hong Kong, China
- School of Public Health, The University of Hong Kong, Hong Kong, China
- Laboratory of Data Discovery for Health (D24H), Hong Kong Science Park, Hong Kong, China
- Centre for Immunology and Infection (C2i), Hong Kong Science Park, Hong Kong, China
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2
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Shrwani KJ, Mahallawi WH, Mohana AI, Algaissi A, Dhayhi N, Sharwani NJ, Gadour E, Aldossari SM, Asiri H, Kameli N, Asiri AY, Asiri AM, Sherwani AJ, Cunliffe N, Zhang Q. Mucosal immunity in upper and lower respiratory tract to MERS-CoV. Front Immunol 2024; 15:1358885. [PMID: 39281686 PMCID: PMC11392799 DOI: 10.3389/fimmu.2024.1358885] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2023] [Accepted: 07/15/2024] [Indexed: 09/18/2024] Open
Abstract
Introduction Middle East respiratory syndrome coronavirus (MERS-CoV) has emerged as a deadly pathogen with a mortality rate of up to 36.2%. MERS-CoV can cause severe respiratory tract disease and multiorgan failure. Therefore, therapeutic vaccines are urgently needed. This intensive review explores the human immune responses and their immunological mechanisms during MERS-CoV infection in the mucosa of the upper and lower respiratory tracts (URT and LRT, respectively). Objective The aim of this study is to provide a valuable, informative, and critical summary of the protective immune mechanisms against MERS-CoV infection in the URT/LRT for the purpose of preventing and controlling MERS-CoV disease and designing effective therapeutic vaccines. Methods In this review, we focus on the immune potential of the respiratory tract following MERS-CoV infection. We searched PubMed, Embase, Web of Science, Cochrane, Scopus, and Google Scholar using the following terms: "MERS-CoV", "B cells", "T cells", "cytokines", "chemokines", "cytotoxic", and "upper and lower respiratory tracts". Results We found and included 152 studies in this review. We report that the cellular innate immune response, including macrophages, dendritic cells, and natural killer cells, produces antiviral substances such as interferons and interleukins to prevent the virus from spreading. In the adaptive and humoral immune responses, CD4+ helper T cells, CD8+ cytotoxic T cells, B cells, and plasma cells protect against MERS-CoV infection in URT and LRT. Conclusion The human nasopharynx-associated lymphoid tissue (NALT) and bronchus-associated lymphoid tissue (BALT) could successfully limit the spread of several respiratory pathogens. However, in the case of MERS-CoV infection, limited research has been conducted in humans with regard to immunopathogenesis and mucosal immune responses due to the lack of relevant tissues. A better understanding of the immune mechanisms of the URT and LRT is vital for the design and development of effective MERS-CoV vaccines.
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Affiliation(s)
- Khalid J Shrwani
- Department of Clinical Infection, Microbiology and Immunology, Institute of Infection, Veterinary and Ecological Sciences, University of Liverpool, Liverpool, United Kingdom
- Public Health Authority, Saudi Center for Disease Prevention and Control (SCDC), Jazan, Saudi Arabia
| | - Waleed H Mahallawi
- Clinical Laboratory Sciences Department, College of Applied Medical Sciences, Taibah University, Madinah, Saudi Arabia
| | - Abdulrhman I Mohana
- Department of Antimicrobial Resistance, Public Health Authority, Riyadh, Saudi Arabia
| | - Abdullah Algaissi
- Department of Medical Laboratory Technology, College of Applied Medical Sciences, Jazan University, Jazan, Saudi Arabia
- Emerging and Endemic Infectious Diseases Research Unit, Health Sciences Research Center, Jazan University, Jazan, Saudi Arabia
| | - Nabil Dhayhi
- Department of Pediatrics, King Fahad Central Hospital, Ministry of Health, Gizan, Saudi Arabia
| | - Nouf J Sharwani
- Department of Surgery, Mohammed bin Nasser Hospital, Ministry of Health, Gizan, Saudi Arabia
| | - Eyad Gadour
- Department of Gastroenterology and Hepatology, King Abdulaziz National Guard Hospital, Ahsa, Saudi Arabia
- Department of Medicine, Faculty of Medicine, Zamzam University College, Khartoum, Sudan
| | - Saeed M Aldossari
- Medical Laboratory Technology Department, College of Applied Medical Sciences, King Saud University, Riyadh, Saudi Arabia
| | - Hasan Asiri
- Medical Laboratory Department, Prince Mohammed bin Abdulaziz Hospital, Riyadh, Saudi Arabia
| | - Nader Kameli
- Department of Medical Laboratory Technology, Faculty of Applied Medical Sciences, Jazan University, Jazan, Saudi Arabia
| | - Ayad Y Asiri
- Intensive Care Unit Department, Al Inma Medical Group, Al Hayat National Hospital, Ministry of Health, Riyadh, Saudi Arabia
| | - Abdullah M Asiri
- Preventive Medicine Assistant Deputyship, Ministry of Health, Riyadh, Saudi Arabia
| | - Alaa J Sherwani
- Department of Pediatrics, Abu-Arish General Hospital, Ministry of Health, Gizan, Saudi Arabia
| | - Nigel Cunliffe
- Department of Clinical Infection, Microbiology and Immunology, Institute of Infection, Veterinary and Ecological Sciences, University of Liverpool, Liverpool, United Kingdom
| | - Qibo Zhang
- Academic and Research Departments, Section of Immunology, School of Biosciences, University of Surrey, Surrey, United Kingdom
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3
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Tazarghi A, Bazoq S, Taziki Balajelini MH, Ebrahimi M, Hosseini SM, Razavi Nikoo H. Liver injury in COVID-19: an insight into pathobiology and roles of risk factors. Virol J 2024; 21:65. [PMID: 38491495 PMCID: PMC10943793 DOI: 10.1186/s12985-024-02332-y] [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: 08/24/2023] [Accepted: 02/27/2024] [Indexed: 03/18/2024] Open
Abstract
COVID-19 is a complex disease that can lead to fatal respiratory failure with extrapulmonary complications, either as a direct result of viral invasion in multiple organs or secondary to oxygen supply shortage. Liver is susceptible to many viral pathogens, and due to its versatile functions in the body, it is of great interest to determine how hepatocytes may interact with SARS-CoV-2 in COVID-19 patients. Liver injury is a major cause of death, and SARS-CoV-2 is suspected to contribute significantly to hepatopathy. Owing to the lack of knowledge in this field, further research is required to address these ambiguities. Therefore, we aimed to provide a comprehensive insight into host-virus interactions, underlying mechanisms, and associated risk factors by collecting results from epidemiological analyses and relevant laboratory experiments. Backed by an avalanche of recent studies, our findings support that liver injury is a sequela of severe COVID-19, and certain pre-existing liver conditions can also intensify the morbidity of SARS-CoV-2 infection in synergy. Notably, age, sex, lifestyle, dietary habits, coinfection, and particular drug regimens play a decisive role in the final outcome and prognosis as well. Taken together, our goal was to unravel these complexities concerning the development of novel diagnostic, prophylactic, and therapeutic approaches with a focus on prioritizing high-risk groups.
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Affiliation(s)
- Abbas Tazarghi
- Department of Microbiology, Faculty of Medicine, Golestan University of Medical Sciences, Gorgan, Iran
| | - Sahar Bazoq
- Department of Microbiology, Faculty of Medicine, Golestan University of Medical Sciences, Gorgan, Iran
| | - Mohammad Hosein Taziki Balajelini
- Department of Otorhinolaryngology, Neuroscience Research Center, School of Medicine, Golestan University of Medical Sciences, Gorgan, Iran
| | - Mohsen Ebrahimi
- Neonatal and Children's Health Research Center, Golestan University of Medical Sciences, Gorgan, Iran
| | - Seyed Mehran Hosseini
- Department of Physiology, School of Medicine, Neuroscience Research Center, Golestan University of Medical Sciences, Gorgan, Iran.
| | - Hadi Razavi Nikoo
- Department of Microbiology, Faculty of Medicine, Golestan University of Medical Sciences, Gorgan, Iran.
- Infectious Diseases Research Center, Golestan University of Medical Sciences, Gorgan, Iran.
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4
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Pustake M, Giri P, Ganiyani MA, Mumtaz K, Deshmukh K, Saju M, Nunez JV, Orlova N, Das A. Drawing Parallels between SARS, MERS, and COVID-19: A Comparative Overview of Epidemiology, Pathogenesis, and Pathological Features. Indian J Community Med 2023; 48:518-524. [PMID: 37662119 PMCID: PMC10470569 DOI: 10.4103/ijcm.ijcm_460_22] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2022] [Accepted: 05/22/2023] [Indexed: 09/05/2023] Open
Abstract
Background Since November 2019, when the novel coronavirus arose in Wuhan City, over 188 million people worldwide have been infected with COVID-19. It is the third coronavirus outbreak in the twenty-first century. Until now, practically all coronavirus epidemics have occurred due to zoonotic spread from an animal or transitional host or through the consumption of their products. Coronaviruses can infect humans and cause severe illness and even death. Material and Methods This review was designed to help us recognize and harmonize the similarities and differences between these three coronaviridae family members. Result Measures aimed at containing the epidemic should be emphasized in this circumstance. Prioritizing and planning these activities require an understanding of the particulars of these three viruses. Given the pandemic's enormous death toll and rapid spread, we should be cognizant of the parallels and differences between these three viruses. Additionally, this pandemic warns us to be cautious against the possibility of a future pandemic. Conclusion We highlight the fundamental characteristics of coronaviruses that are critical for recognizing coronavirus epidemiology, pathogenesis, and pathological features that reveal numerous significant pathological attributes and evolutionary patterns in the viral genome that aid in better understanding and anticipating future epidemics.
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Affiliation(s)
- Manas Pustake
- Department of Internal Medicine, Grant Govt. Medical College and Sir JJ Group of Hospitals, Mumbai, Maharashtra, India
- Harvard Medical School, Harvard University, Boston, MA, USA
| | - Purushottam Giri
- Department of Community Medicine, IIMSR Medical College, Jalna, Maharashtra, India
| | - Mohammad Arfat Ganiyani
- Department of Internal Medicine, Grant Govt. Medical College and Sir JJ Group of Hospitals, Mumbai, Maharashtra, India
| | - Kahkashan Mumtaz
- Department of Pediatrics, Grant Govt. Medical College and Sir JJ Group of Hospitals, Mumbai, Maharashtra, India
| | - Krishna Deshmukh
- Department of Internal Medicine, Grant Govt. Medical College and Sir JJ Group of Hospitals, Mumbai, Maharashtra, India
| | - Michael Saju
- Department of Community Medicine, Grant Govt. Medical College and Sir JJ Group of Hospitals, Mumbai, Maharashtra, India
| | | | | | - Arghadip Das
- Department of Pathology, Nil Ratan Sircar Medical College and Hospital, Kolkata, West Bengal, India
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Stern B, Monteleone P, Zoldan J. SARS-CoV-2 spike protein induces endothelial dysfunction in 3D engineered vascular networks. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2022:2022.10.01.510442. [PMID: 36238721 PMCID: PMC9558435 DOI: 10.1101/2022.10.01.510442] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
With new daily discoveries about the long-term impacts of COVID-19 there is a clear need to develop in vitro models that can be used to better understand the pathogenicity and impact of COVID-19. Here we demonstrate the utility of developing a model of endothelial dysfunction that utilizes induced pluripotent stem cell-derived endothelial progenitors encapsulated in collagen hydrogels to study the effects of COVID-19 on the endothelium. We found that treating these cell-laden hydrogels with SARS-CoV-2 spike protein resulted in a significant decrease in the number of vessel-forming cells as well as vessel network connectivity. Following treatment with the anti-inflammatory drug dexamethasone, we were able to prevent SARS-CoV-2 spike protein-induced endothelial dysfunction. In addition, we confirmed release of inflammatory cytokines associated with the COVID-19 cytokine storm. In conclusion, we have demonstrated that even in the absence of immune cells, we are able to use this 3D in vitro model for angiogenesis to reproduce COVID-19 induced endothelial dysfunction seen in clinical settings.
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Uddin MB, Liang Y, Shao S, Palani S, McKelvey M, Weaver SC, Sun K. Type I IFN Signaling Protects Mice from Lethal SARS-CoV-2 Neuroinvasion. Immunohorizons 2022; 6:716-721. [DOI: 10.4049/immunohorizons.2200065] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2022] [Accepted: 09/24/2022] [Indexed: 01/04/2023] Open
Abstract
Abstract
Multiple organ damage is common in patients with severe COVID-19, even though the underlying pathogenic mechanisms remain unclear. Acute viral infection typically activates type I IFN (IFN-I) signaling. The antiviral role of IFN-I is well characterized in vitro. However, our understanding of how IFN-I regulates host immune response to SARS-CoV-2 infection in vivo is incomplete. Using a human ACE2-transgenic mouse model, we show in the present study that IFN-I receptor signaling is essential for protection against the acute lethality of SARS-CoV-2 in mice. Interestingly, although IFN-I signaling limits viral replication in the lung, the primary infection site, it is dispensable for efficient viral clearance at the adaptive phase of SARS-CoV-2 infection. Conversely, we found that in the absence of IFN-I receptor signaling, the extreme animal lethality is consistent with heightened infectious virus and prominent pathological manifestations in the brain. Taken together, our results in this study demonstrate that IFN-I receptor signaling is required for restricting virus neuroinvasion, thereby mitigating COVID-19 severity.
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Affiliation(s)
- Md Bashir Uddin
- *Department of Microbiology and Immunology, University of Texas Medical Branch, Galveston, TX; and
| | - Yuejin Liang
- *Department of Microbiology and Immunology, University of Texas Medical Branch, Galveston, TX; and
| | - Shengjun Shao
- *Department of Microbiology and Immunology, University of Texas Medical Branch, Galveston, TX; and
| | - Sunil Palani
- *Department of Microbiology and Immunology, University of Texas Medical Branch, Galveston, TX; and
| | - Michael McKelvey
- †Department of Experimental Pathology, University of Texas Medical Branch, Galveston, TX
| | - Scott C. Weaver
- *Department of Microbiology and Immunology, University of Texas Medical Branch, Galveston, TX; and
| | - Keer Sun
- *Department of Microbiology and Immunology, University of Texas Medical Branch, Galveston, TX; and
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David S, Dorado G, Duarte EL, David-Bosne S, Trigueiro-Louro J, Rebelo-de-Andrade H. COVID-19: impact on Public Health and hypothesis-driven investigations on genetic susceptibility and severity. Immunogenetics 2022; 74:381-407. [PMID: 35348847 PMCID: PMC8961091 DOI: 10.1007/s00251-022-01261-w] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2022] [Accepted: 03/14/2022] [Indexed: 12/12/2022]
Abstract
COVID-19 is a new complex multisystem disease caused by the novel coronavirus SARS-CoV-2. In slightly over 2 years, it infected nearly 500 million and killed 6 million human beings worldwide, causing an unprecedented coronavirus pandemic. Currently, the international scientific community is engaged in elucidating the molecular mechanisms of the pathophysiology of SARS-CoV-2 infection as a basis of scientific developments for the future control of COVID-19. Global exome and genome analysis efforts work to define the human genetics of protective immunity to SARS-CoV-2 infection. Here, we review the current knowledge regarding the SARS-CoV-2 infection, the implications of COVID-19 to Public Health and discuss genotype to phenotype association approaches that could be exploited through the selection of candidate genes to identify the genetic determinants of severe COVID-19.
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Affiliation(s)
- Susana David
- Departamento de Genética Humana, Instituto Nacional de Saúde Doutor Ricardo Jorge (INSA,IP), Lisboa, Portugal.
- Instituto de Investigação do Medicamento (iMed.ULisboa), Faculdade de Farmácia, Universidade de Lisboa, Lisboa, Portugal.
| | - Guillermo Dorado
- Atlántida Centro de Investigación y Desarrollo de Estudios Profesionales (CIDEP), Granada, Spain
| | - Elsa L Duarte
- MED-Instituto Mediterrâneo para a Agricultura, Ambiente e Desenvolvimento, Escola de Ciências e Tecnologia, Universidade de Évora, Évora, Portugal
| | | | - João Trigueiro-Louro
- Departamento de Doenças Infeciosas, INSA, IP, Lisboa, Portugal
- Host-Pathogen Interaction Unit, Instituto de Investigação do Medicamento (iMed.ULisboa), Faculdade de Farmácia, Universidade de Lisboa, Lisboa, Portugal
- Hospital Egas Moniz, Centro Hospitalar Lisboa Ocidental, Lisboa, Portugal
| | - Helena Rebelo-de-Andrade
- Departamento de Doenças Infeciosas, INSA, IP, Lisboa, Portugal
- Host-Pathogen Interaction Unit, Instituto de Investigação do Medicamento (iMed.ULisboa), Faculdade de Farmácia, Universidade de Lisboa, Lisboa, Portugal
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8
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Channappanavar R, Selvaraj M, More S, Perlman S. Alveolar macrophages protect mice from MERS-CoV-induced pneumonia and severe disease. Vet Pathol 2022; 59:627-638. [PMID: 35499307 DOI: 10.1177/03009858221095270] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/13/2024]
Abstract
Emerging and re-emerging human coronaviruses (hCoVs) cause severe respiratory illness in humans, but the basis for lethal pneumonia in these diseases is not well understood. Alveolar macrophages (AMs) are key orchestrators of host antiviral defense and tissue tolerance during a variety of respiratory infections, and AM dysfunction is associated with severe COVID-19. In this study, using a mouse model of Middle East respiratory syndrome coronavirus (MERS-CoV) infection, we examined the role of AMs in MERS pathogenesis. Our results show that depletion of AMs using clodronate (CL) liposomes significantly increased morbidity and mortality in human dipeptidyl peptidase 4 knock-in (hDPP4-KI) mice. Detailed examination of control and AM-depleted lungs at different days postinfection revealed increased neutrophil activity but a significantly reduced MERS-CoV-specific CD4 T-cell response in AM-deficient lungs during later stages of infection. Furthermore, enhanced MERS severity in AM-depleted mice correlated with lung inflammation and lesions. Collectively, these data demonstrate that AMs are critical for the development of an optimal virus-specific T-cell response and controlling excessive inflammation during MERS-CoV infection.
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Affiliation(s)
| | | | - Sunil More
- Oklahoma State University, Stillwater, OK
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9
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Chang T, Yang J, Deng H, Chen D, Yang X, Tang ZH. Depletion and Dysfunction of Dendritic Cells: Understanding SARS-CoV-2 Infection. Front Immunol 2022; 13:843342. [PMID: 35265087 PMCID: PMC8898834 DOI: 10.3389/fimmu.2022.843342] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2021] [Accepted: 01/31/2022] [Indexed: 12/15/2022] Open
Abstract
Uncontrolled severe acute respiratory syndrome-coronavirus (SARS-CoV)-2 infection is closely related to disorders of the innate immune and delayed adaptive immune systems. Dendritic cells (DCs) “bridge” innate immunity and adaptive immunity. DCs have important roles in defending against SARS-CoV-2 infection. In this review, we summarize the latest research concerning the role of DCs in SARS-CoV-2 infection. We focus on the complex interplay between DCs and SARS-CoV-2: pyroptosis-induced activation; activation of the renin–angiotensin–aldosterone system; and activation of dendritic cell-specific intercellular adhesion molecule 3-grabbing non-integrin. We also discuss the decline in DC number, the impaired antigen-presentation capability, and the reduced production of type-I interferon of DCs in severe SARS-CoV-2 infection. In addition, we discuss the potential mechanisms for pathological activation of DCs to understand the pattern of SARS-CoV-2 infection. Lastly, we provide a brief overview of novel vaccination and immunotherapy strategies based on DC targeting to overcome SARS-CoV-2 infection.
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Affiliation(s)
- Teding Chang
- Division of Trauma & Surgical Critical Care, Department of Surgery, Tongji Hospital, Tongji, China
| | - Jingzhi Yang
- Division of Trauma & Surgical Critical Care, Department of Surgery, Tongji Hospital, Tongji, China
| | - Hai Deng
- Division of Trauma & Surgical Critical Care, Department of Surgery, Tongji Hospital, Tongji, China
| | - Deng Chen
- Division of Trauma & Surgical Critical Care, Department of Surgery, Tongji Hospital, Tongji, China
| | - XiangPing Yang
- Department of Immunology, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Zhao-Hui Tang
- Division of Trauma & Surgical Critical Care, Department of Surgery, Tongji Hospital, Tongji, China
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10
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Oo A, Zandi K, Shepard C, Bassit LC, Musall K, Goh SL, Cho YJ, Kim DH, Schinazi RF, Kim B. Elimination of Aicardi-Goutières syndrome protein SAMHD1 activates cellular innate immunity and suppresses SARS-CoV-2 replication. J Biol Chem 2022; 298:101635. [PMID: 35085552 PMCID: PMC8786443 DOI: 10.1016/j.jbc.2022.101635] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2021] [Revised: 01/18/2022] [Accepted: 01/19/2022] [Indexed: 12/23/2022] Open
Abstract
The lack of antiviral innate immune responses during severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infections is characterized by limited production of interferons (IFNs). One protein associated with Aicardi-Goutières syndrome, SAMHD1, has been shown to negatively regulate the IFN-1 signaling pathway. However, it is unclear whether elevated IFN signaling associated with genetic loss of SAMHD1 would affect SARS-CoV-2 replication. In this study, we established in vitro tissue culture model systems for SARS-CoV-2 and human coronavirus OC43 infections in which SAMHD1 protein expression was absent as a result of CRISPR-Cas9 gene KO or lentiviral viral protein X-mediated proteosomal degradation. We show that both SARS-CoV-2 and human coronavirus OC43 replications were suppressed in SAMHD1 KO 293T and differentiated THP-1 macrophage cell lines. Similarly, when SAMHD1 was degraded by virus-like particles in primary monocyte-derived macrophages, we observed lower levels of SARS-CoV-2 RNA. The loss of SAMHD1 in 293T and differentiated THP-1 cells resulted in upregulated gene expression of IFNs and innate immunity signaling proteins from several pathways, with STAT1 mRNA being the most prominently elevated ones. Furthermore, SARS-CoV-2 replication was significantly increased in both SAMHD1 WT and KO cells when expression and phosphorylation of STAT1 were downregulated by JAK inhibitor baricitinib, which over-rode the activated antiviral innate immunity in the KO cells. This further validates baricitinib as a treatment of SARS-CoV-2-infected patients primarily at the postviral clearance stage. Overall, our tissue culture model systems demonstrated that the elevated innate immune response and IFN activation upon genetic loss of SAMHD1 effectively suppresses SARS-CoV-2 replication.
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Affiliation(s)
- Adrian Oo
- Department of Pediatrics, School of Medicine, Emory University, Atlanta, Georgia, USA
| | - Keivan Zandi
- Department of Pediatrics, School of Medicine, Emory University, Atlanta, Georgia, USA
| | - Caitlin Shepard
- Department of Pediatrics, School of Medicine, Emory University, Atlanta, Georgia, USA
| | - Leda C Bassit
- Department of Pediatrics, School of Medicine, Emory University, Atlanta, Georgia, USA
| | - Katie Musall
- Department of Pediatrics, School of Medicine, Emory University, Atlanta, Georgia, USA
| | - Shu Ling Goh
- Department of Pediatrics, School of Medicine, Emory University, Atlanta, Georgia, USA
| | - Young-Jae Cho
- Department of Pediatrics, School of Medicine, Emory University, Atlanta, Georgia, USA
| | - Dong-Hyun Kim
- Department of Pharmacy, College of Pharmacy, Kyung-Hee University, Seoul, South Korea
| | - Raymond F Schinazi
- Department of Pediatrics, School of Medicine, Emory University, Atlanta, Georgia, USA
| | - Baek Kim
- Department of Pediatrics, School of Medicine, Emory University, Atlanta, Georgia, USA; Center for Drug Discovery, Children's Healthcare of Atlanta, Atlanta, Georgia, USA.
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11
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Khalil BA, Shakartalla SB, Goel S, Madkhana B, Halwani R, Maghazachi AA, AlSafar H, Al-Omari B, Al Bataineh MT. Immune Profiling of COVID-19 in Correlation with SARS and MERS. Viruses 2022; 14:v14010164. [PMID: 35062368 PMCID: PMC8778004 DOI: 10.3390/v14010164] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2021] [Revised: 01/10/2022] [Accepted: 01/11/2022] [Indexed: 01/08/2023] Open
Abstract
Acute respiratory distress syndrome (ARDS) is a major complication of the respiratory illness coronavirus disease 2019, with a death rate reaching up to 40%. The main underlying cause of ARDS is a cytokine storm that results in a dysregulated immune response. This review discusses the role of cytokines and chemokines in SARS-CoV-2 and its predecessors SARS-CoV and MERS-CoV, with particular emphasis on the elevated levels of inflammatory mediators that are shown to be correlated with disease severity. For this purpose, we reviewed and analyzed clinical studies, research articles, and reviews published on PubMed, EMBASE, and Web of Science. This review illustrates the role of the innate and adaptive immune responses in SARS, MERS, and COVID-19 and identifies the general cytokine and chemokine profile in each of the three infections, focusing on the most prominent inflammatory mediators primarily responsible for the COVID-19 pathogenesis. The current treatment protocols or medications in clinical trials were reviewed while focusing on those targeting cytokines and chemokines. Altogether, the identified cytokines and chemokines profiles in SARS-CoV, MERS-CoV, and SARS-CoV-2 provide important information to better understand SARS-CoV-2 pathogenesis and highlight the importance of using prominent inflammatory mediators as markers for disease diagnosis and management. Our findings recommend that the use of immunosuppression cocktails provided to patients should be closely monitored and continuously assessed to maintain the desirable effects of cytokines and chemokines needed to fight the SARS, MERS, and COVID-19. The current gap in evidence is the lack of large clinical trials to determine the optimal and effective dosage and timing for a therapeutic regimen.
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Affiliation(s)
- Bariaa A. Khalil
- Sharjah Institute for Medical Research, College of Medicine, University of Sharjah, Sharjah P.O. Box 27272, United Arab Emirates; (B.A.K.); (S.B.S.); (S.G.); (B.M.); (R.H.); (A.A.M.)
| | - Sarra B. Shakartalla
- Sharjah Institute for Medical Research, College of Medicine, University of Sharjah, Sharjah P.O. Box 27272, United Arab Emirates; (B.A.K.); (S.B.S.); (S.G.); (B.M.); (R.H.); (A.A.M.)
- Faculty of Pharmacy, University of Gezira, Wad Medani 2667, Sudan
| | - Swati Goel
- Sharjah Institute for Medical Research, College of Medicine, University of Sharjah, Sharjah P.O. Box 27272, United Arab Emirates; (B.A.K.); (S.B.S.); (S.G.); (B.M.); (R.H.); (A.A.M.)
| | - Bushra Madkhana
- Sharjah Institute for Medical Research, College of Medicine, University of Sharjah, Sharjah P.O. Box 27272, United Arab Emirates; (B.A.K.); (S.B.S.); (S.G.); (B.M.); (R.H.); (A.A.M.)
| | - Rabih Halwani
- Sharjah Institute for Medical Research, College of Medicine, University of Sharjah, Sharjah P.O. Box 27272, United Arab Emirates; (B.A.K.); (S.B.S.); (S.G.); (B.M.); (R.H.); (A.A.M.)
- College of Medicine, University of Sharjah, Sharjah P.O. Box 27272, United Arab Emirates
| | - Azzam A. Maghazachi
- Sharjah Institute for Medical Research, College of Medicine, University of Sharjah, Sharjah P.O. Box 27272, United Arab Emirates; (B.A.K.); (S.B.S.); (S.G.); (B.M.); (R.H.); (A.A.M.)
- College of Medicine, University of Sharjah, Sharjah P.O. Box 27272, United Arab Emirates
| | - Habiba AlSafar
- College of Medicine and Health Sciences, Khalifa University, Abu Dhabi P.O. Box 127788, United Arab Emirates; or
- Center for Biotechnology, Khalifa University of Science and Technology, Abu Dhabi P.O. Box 127788, United Arab Emirates
- Emirates Bio-Research Center, Ministry of Interior, Abu Dhabi P.O. Box 389, United Arab Emirates
| | - Basem Al-Omari
- College of Medicine and Health Sciences, Khalifa University, Abu Dhabi P.O. Box 127788, United Arab Emirates; or
- KU Research and Data Intelligence Support Center (RDISC) AW 8474000331, Khalifa University of Science and Technology, Abu Dhabi P.O. Box 127788, United Arab Emirates
- Correspondence: (B.A.-O.); (M.T.A.B.)
| | - Mohammad T. Al Bataineh
- College of Medicine and Health Sciences, Khalifa University, Abu Dhabi P.O. Box 127788, United Arab Emirates; or
- Center for Biotechnology, Khalifa University of Science and Technology, Abu Dhabi P.O. Box 127788, United Arab Emirates
- Correspondence: (B.A.-O.); (M.T.A.B.)
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Li K, Wohlford-Lenane C, Bartlett JA, McCray PB. Inter-individual Variation in Receptor Expression Influences MERS-CoV Infection and Immune Responses in Airway Epithelia. Front Public Health 2022; 9:756049. [PMID: 35059374 PMCID: PMC8763803 DOI: 10.3389/fpubh.2021.756049] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2021] [Accepted: 12/10/2021] [Indexed: 11/13/2022] Open
Abstract
Middle East respiratory syndrome coronavirus (MERS-CoV) causes respiratory infection in humans, with symptom severity that ranges from asymptomatic to severe pneumonia. Known risk factors for severe MERS include male sex, older age, and the presence of various comorbidities. MERS-CoV gains entry into cells by binding its receptor, dipeptidyl peptidase 4 (DPP4), on the surface of airway epithelia. We hypothesized that expression of this receptor might be an additional determinant of outcomes in different individuals during MERS-CoV infection. To learn more about the role of DPP4 in facilitating MERS-CoV infection and spread, we used ELISA and immunofluorescent staining to characterize DPP4 expression in well-differentiated primary human airway epithelia (HAE). We noted wide inter-individual variation in DPP4 abundance, varying by as much as 1000-fold between HAE donors. This variability appears to influence multiple aspects of MERS-CoV infection and pathogenesis, with greater DPP4 abundance correlating with early, robust virus replication and increased cell sloughing. We also observed increased induction of interferon and some interferon-stimulated genes in response to MERS-CoV infection in epithelia with the greatest DPP4 abundance. Overall, our results indicate that inter-individual differences in DPP4 abundance are one host factor contributing to MERS-CoV replication and host defense responses, and highlight how HAE may serve as a useful model for identifying risk factors associated with heightened susceptibility to serious respiratory pathogens.
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Affiliation(s)
- Kun Li
- Department of Pediatrics, Carver College of Medicine, University of Iowa, Iowa City, IA, United States
| | - Christine Wohlford-Lenane
- Department of Pediatrics, Carver College of Medicine, University of Iowa, Iowa City, IA, United States
| | - Jennifer A. Bartlett
- Department of Pediatrics, Carver College of Medicine, University of Iowa, Iowa City, IA, United States
| | - Paul B. McCray
- Department of Pediatrics, Carver College of Medicine, University of Iowa, Iowa City, IA, United States
- Department of Microbiology and Immunology, Carver College of Medicine, University of Iowa, Iowa City, IA, United States
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Williams A, Branscome H, Khatkar P, Mensah GA, Al Sharif S, Pinto DO, DeMarino C, Kashanchi F. A comprehensive review of COVID-19 biology, diagnostics, therapeutics, and disease impacting the central nervous system. J Neurovirol 2021; 27:667-690. [PMID: 34581996 PMCID: PMC8477646 DOI: 10.1007/s13365-021-00998-6] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2021] [Revised: 05/17/2021] [Accepted: 07/01/2021] [Indexed: 01/08/2023]
Abstract
The ongoing COVID-19 pandemic, caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), is a highly transmissible disease. SARS-CoV-2 is estimated to have infected over 153 million people and to have caused over 3.2 million global deaths since its emergence in December 2019. SARS-CoV-2 is the seventh coronavirus known to infect humans, and like other coronaviruses, SARS-CoV-2 infection is characterized by a variety of symptoms including general flu-like symptoms such as a fever, sore throat, fatigue, and shortness of breath. Severe cases often display signs of pneumonia, lymphopenia, acute kidney injury, cardiac injury, cytokine storms, lung damage, acute respiratory distress syndrome (ARDS), multiple organ failure, sepsis, and death. There is evidence that around 30% of COVID-19 cases have central nervous system (CNS) or peripheral nervous system (PNS) symptoms along with or in the absence of the previously mentioned symptoms. In cases of CNS/PNS impairments, patients display dizziness, ataxia, seizure, nerve pain, and loss of taste and/or smell. This review highlights the neurological implications of SARS-CoV-2 and provides a comprehensive summary of the research done on SARS-CoV-2 pathology, diagnosis, therapeutics, and vaccines up to May 5.
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Affiliation(s)
- Anastasia Williams
- Laboratory of Molecular Virology, School of Systems Biology, George Mason University, Manassas, VA, USA
| | - Heather Branscome
- Laboratory of Molecular Virology, School of Systems Biology, George Mason University, Manassas, VA, USA
- American Type Culture Collection (ATCC), Manassas, VA, USA
| | - Pooja Khatkar
- Laboratory of Molecular Virology, School of Systems Biology, George Mason University, Manassas, VA, USA
| | - Gifty A Mensah
- Laboratory of Molecular Virology, School of Systems Biology, George Mason University, Manassas, VA, USA
| | - Sarah Al Sharif
- Laboratory of Molecular Virology, School of Systems Biology, George Mason University, Manassas, VA, USA
| | - Daniel O Pinto
- Laboratory of Molecular Virology, School of Systems Biology, George Mason University, Manassas, VA, USA
- Immunology Core, Malaria Biologics Branch, Walter Reed Army Institute of Research, Silver Spring, MD, USA
| | - Catherine DeMarino
- Laboratory of Molecular Virology, School of Systems Biology, George Mason University, Manassas, VA, USA
| | - Fatah Kashanchi
- Laboratory of Molecular Virology, School of Systems Biology, George Mason University, Manassas, VA, USA.
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Azu OO, Olojede SO, Lawal SK, Oseni SO, Rennie CO, Offo U, Naidu ECS. Novel severe acute respiratory syndrome coronavirus 2 (SARS-COV-2) infection: Microbiologic perspectives and anatomic considerations for sanctuary sites. J Infect Public Health 2021; 14:1237-1246. [PMID: 34455307 PMCID: PMC8378066 DOI: 10.1016/j.jiph.2021.08.015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2021] [Revised: 07/31/2021] [Accepted: 08/15/2021] [Indexed: 11/25/2022] Open
Abstract
Introduction A significant chunk of global life – the economy, sports, aviation, academic, and entertainment activities – has significantly been affected by the ravaging outbreak of severe acute respiratory syndrome coronavirus 2 (SARS-COV-2) with devastating consequences on morbidity and mortality in many countries of the world. Methods This review utilized search engines such as google scholar, PubMed, ResearchGate, and web of science to retrieve articles and information using keywords like “Coronavirus”, “SARS-CoV-2”, “COVID-19”, “Origin of coronavirus and SARS-CoV-2”, “microbiology of coronavirus”, “microbiology of SARS-CoV-2”, COVID-19”, “Coronavirus reservoir sites”, “Anatomic sanctuary sites and SARS-CoV-2”, biological barriers and coronavirus”, biological barrier and SARS-CoV-2”. Results While this pandemic has caught the global scientific community at its lowest level of preparedness, it has inadvertently created a unified and wholesome approach towards developing potential vaccine (s) candidates by escalating clinical trial protocols in many countries of Europe, China and the United States. Interestingly, viral pathobiology continues to be an evolving aspect that potentially shows that the management of the current outbreak may largely depend on the discovery of a vaccine as the administration of known antiviral drugs are proving to offer some respite. Unfortunately, discontinuation and longtime administration of these drugs have been implicated in endocrine, reproductive and neurological disorders owing to the development of pathological lesions at anatomical sanctuary sites such as the brain and testis, as well as the presence of complex biological barriers that permit the entry of viruses but selective to the entrance of chemical substances and drugs. Conclusion This review focuses on the microbiologic perspectives and importance of anatomical sanctuary sites in the possible viral rebound or reinfection into the system and their implications in viral re-entry and development of reproductive and neurological disorders in COVID-19 patients.
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Affiliation(s)
- Onyemaechi O Azu
- Department of Anatomy, School of Medicine, University of Namibia, Private Bag, Windhoek, 13301, Namibia.
| | - Samuel O Olojede
- Discipline of Clinical Anatomy, School of Laboratory Medicine & Medical Sciences, Nelson R Mandela School of Medicine, University of KwaZulu-Natal, 719 Umbilo Road, Durban, South Africa
| | - Sodiq K Lawal
- Discipline of Clinical Anatomy, School of Laboratory Medicine & Medical Sciences, Nelson R Mandela School of Medicine, University of KwaZulu-Natal, 719 Umbilo Road, Durban, South Africa
| | - Saheed O Oseni
- Department of Biological Sciences, Florida Atlantic University, Davie, FL 33314, USA
| | - Carmen O Rennie
- Discipline of Clinical Anatomy, School of Laboratory Medicine & Medical Sciences, Nelson R Mandela School of Medicine, University of KwaZulu-Natal, 719 Umbilo Road, Durban, South Africa
| | - Ugochukwu Offo
- Department of Pre-Clinical Sciences, University of Limpopo, South Africa
| | - Edwin C S Naidu
- Discipline of Clinical Anatomy, School of Laboratory Medicine & Medical Sciences, Nelson R Mandela School of Medicine, University of KwaZulu-Natal, 719 Umbilo Road, Durban, South Africa
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15
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Tindle C, Fuller M, Fonseca A, Taheri S, Ibeawuchi SR, Beutler N, Katkar GD, Claire A, Castillo V, Hernandez M, Russo H, Duran J, Crotty Alexander LE, Tipps A, Lin G, Thistlethwaite PA, Chattopadhyay R, Rogers TF, Sahoo D, Ghosh P, Das S. Adult stem cell-derived complete lung organoid models emulate lung disease in COVID-19. eLife 2021; 10:e66417. [PMID: 34463615 PMCID: PMC8463074 DOI: 10.7554/elife.66417] [Citation(s) in RCA: 68] [Impact Index Per Article: 22.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2021] [Accepted: 08/11/2021] [Indexed: 12/13/2022] Open
Abstract
Background SARS-CoV-2, the virus responsible for COVID-19, causes widespread damage in the lungs in the setting of an overzealous immune response whose origin remains unclear. Methods We present a scalable, propagable, personalized, cost-effective adult stem cell-derived human lung organoid model that is complete with both proximal and distal airway epithelia. Monolayers derived from adult lung organoids (ALOs), primary airway cells, or hiPSC-derived alveolar type II (AT2) pneumocytes were infected with SARS-CoV-2 to create in vitro lung models of COVID-19. Results Infected ALO monolayers best recapitulated the transcriptomic signatures in diverse cohorts of COVID-19 patient-derived respiratory samples. The airway (proximal) cells were critical for sustained viral infection, whereas distal alveolar differentiation (AT2→AT1) was critical for mounting the overzealous host immune response in fatal disease; ALO monolayers with well-mixed proximodistal airway components recapitulated both. Conclusions Findings validate a human lung model of COVID-19, which can be immediately utilized to investigate COVID-19 pathogenesis and vet new therapies and vaccines. Funding This work was supported by the National Institutes for Health (NIH) grants 1R01DK107585-01A1, 3R01DK107585-05S1 (to SD); R01-AI141630, CA100768 and CA160911 (to PG) and R01-AI 155696 (to PG, DS and SD); R00-CA151673 and R01-GM138385 (to DS), R01- HL32225 (to PT), UCOP-R00RG2642 (to SD and PG), UCOP-R01RG3780 (to P.G. and D.S) and a pilot award from the Sanford Stem Cell Clinical Center at UC San Diego Health (P.G, S.D, D.S). GDK was supported through The American Association of Immunologists Intersect Fellowship Program for Computational Scientists and Immunologists. L.C.A's salary was supported in part by the VA San Diego Healthcare System. This manuscript includes data generated at the UC San Diego Institute of Genomic Medicine (IGC) using an Illumina NovaSeq 6000 that was purchased with funding from a National Institutes of Health SIG grant (#S10 OD026929).
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Affiliation(s)
- Courtney Tindle
- Department of Cellular and Molecular Medicine, University of California San Diego, San Diego, United States
- HUMANOID CoRE, University of California San Diego, San Diego, United States
| | - MacKenzie Fuller
- Department of Cellular and Molecular Medicine, University of California San Diego, San Diego, United States
- HUMANOID CoRE, University of California San Diego, San Diego, United States
| | - Ayden Fonseca
- Department of Cellular and Molecular Medicine, University of California San Diego, San Diego, United States
- HUMANOID CoRE, University of California San Diego, San Diego, United States
| | - Sahar Taheri
- Department of Computer Science and Engineering, Jacobs School of Engineering, University of California San Diego, San Diego, United States
| | - Stella-Rita Ibeawuchi
- Department of Pathology, University of California San Diego, San Diego, United States
| | - Nathan Beutler
- Department of Immunology and Microbiology, The Scripps Research Institute, La Jolla, United States
| | - Gajanan Dattatray Katkar
- Department of Cellular and Molecular Medicine, University of California San Diego, San Diego, United States
| | - Amanraj Claire
- Department of Cellular and Molecular Medicine, University of California San Diego, San Diego, United States
- HUMANOID CoRE, University of California San Diego, San Diego, United States
| | - Vanessa Castillo
- Department of Cellular and Molecular Medicine, University of California San Diego, San Diego, United States
| | - Moises Hernandez
- Division of Cardiothoracic Surgery, University of California San Diego, San Diego, United States
| | - Hana Russo
- Department of Pathology, University of California San Diego, San Diego, United States
| | - Jason Duran
- Division of Cardiology, Department of Internal Medicine, UC San Diego Medical Center, San Diego, United States
| | - Laura E Crotty Alexander
- Pulmonary Critical Care Section, Veterans Affairs (VA) San Diego Healthcare System, La Jolla, United States
- Division of Pulmonary and Critical Care, Department of Medicine, University of California, San Diego, La Jolla, CA, United States
| | - Ann Tipps
- Department of Pathology, University of California San Diego, San Diego, United States
| | - Grace Lin
- Department of Pathology, University of California San Diego, San Diego, United States
| | | | - Ranajoy Chattopadhyay
- Department of Cellular and Molecular Medicine, University of California San Diego, San Diego, United States
- HUMANOID CoRE, University of California San Diego, San Diego, United States
- Cell Applications Inc., La Jolla, CA, United States
| | - Thomas F Rogers
- Department of Immunology and Microbiology, The Scripps Research Institute, La Jolla, United States
- Division of Infectious Diseases, Department of Medicine, University of California, San Diego, La Jolla, United States
- Department of Immunology and Microbiology, The Scripps Research Institute, La Jolla, United States
| | - Debashis Sahoo
- Department of Computer Science and Engineering, Jacobs School of Engineering, University of California San Diego, San Diego, United States
- Department of Pediatrics, University of California, San Diego, La Jolla, CA, United States
| | - Pradipta Ghosh
- Department of Cellular and Molecular Medicine, University of California San Diego, San Diego, United States
- HUMANOID CoRE, University of California San Diego, San Diego, United States
- Department of Medicine, University of California, San Diego, La Jolla, CA, United States
| | - Soumita Das
- HUMANOID CoRE, University of California San Diego, San Diego, United States
- Department of Pathology, University of California San Diego, San Diego, United States
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16
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Liatsos GD. Controversies’ clarification regarding ribavirin efficacy in measles and coronaviruses: Comprehensive therapeutic approach strictly tailored to COVID-19 disease stages. World J Clin Cases 2021; 9:5135-5178. [PMID: 34307564 PMCID: PMC8283580 DOI: 10.12998/wjcc.v9.i19.5135] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/16/2020] [Revised: 01/01/2021] [Accepted: 05/20/2021] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND Ribavirin is a broad-spectrum nucleoside antiviral drug with multimodal mechanisms of action, which supports its longevity and quality as a clinical resource. It has been widely administered for measles and coronavirus infections. Despite the large amount of data concerning the use of ribavirin alone or in combination for measles, severe acute respiratory syndrome, Middle East respiratory syndrome, and coronavirus disease 2019 (COVID-19) outbreaks, the conclusions of these studies have been contradictory. Underlying reasons for these discrepancies include possible study design inaccuracies and failures and misinterpretations of data, and these potential confounds should be addressed.
AIM To determine the confounding factors of ribavirin treatment studies and propose a therapeutic scheme for COVID-19.
METHODS PubMed database was searched over a period of five decades utilizing the terms “ribavirin” alone or combined with other compounds in measles, severe acute respiratory syndrome, Middle East respiratory syndrome, and COVID-19 infections. The literature search was performed and described according to Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines. Articles were considered eligible when they reported on ribavirin dose regimens and/or specified outcomes concerning its efficacy and/or possible adverse-effects. In vitro and animal studies were also retrieved. A chapter on ribavirin’s pharmacology was included as well.
RESULTS In addition to the difficulties and pressures of an emerging pandemic, there is the burden of designing and conducting well-organized, double-blind, randomized controlled trials. Many studies have succumbed to specific pitfalls, one of which was identified in naturally ribavirin-resistant Vero cell lines in in vitro studies. Other pitfalls include study design inconsistent with the well-established clinical course of disease; inappropriate pharmacology of applied treatments; and the misinterpretation of study results with misconceived generalizations. A comprehensive treatment for COVID-19 is proposed, documented by thorough, long-term investigation of ribavirin regimens in coronavirus infections.
CONCLUSION A comprehensive treatment strictly tailored to distinct disease stages was proposed based upon studies on ribavirin and coronavirus infections.
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Affiliation(s)
- George D Liatsos
- Department of Internal Medicine, "Hippokration" General Hospital, Athens 11527, Attiki, Greece
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17
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Wang S, Dai T, Qin Z, Pan T, Chu F, Lou L, Zhang L, Yang B, Huang H, Lu H, Zhou F. Targeting liquid-liquid phase separation of SARS-CoV-2 nucleocapsid protein promotes innate antiviral immunity by elevating MAVS activity. Nat Cell Biol 2021; 23:718-732. [PMID: 34239064 DOI: 10.1038/s41556-021-00710-0] [Citation(s) in RCA: 164] [Impact Index Per Article: 54.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2020] [Accepted: 06/07/2021] [Indexed: 02/06/2023]
Abstract
Patients with Coronavirus disease 2019 exhibit low expression of interferon-stimulated genes, contributing to a limited antiviral response. Uncovering the underlying mechanism of innate immune suppression and rescuing the innate antiviral response remain urgent issues in the current pandemic. Here we identified that the dimerization domain of the SARS-CoV-2 nucleocapsid protein (SARS2-NP) is required for SARS2-NP to undergo liquid-liquid phase separation with RNA, which inhibits Lys63-linked poly-ubiquitination and aggregation of MAVS and thereby suppresses the innate antiviral immune response. Mice infected with an RNA virus carrying SARS2-NP exhibited reduced innate immunity, an increased viral load and high morbidity. Notably, we identified SARS2-NP acetylation at Lys375 by host acetyltransferase and reported frequently occurring acetylation-mimicking mutations of Lys375, all of which impaired SARS2-NP liquid-liquid phase separation with RNA. Importantly, a peptide targeting the dimerization domain was screened out to disrupt the SARS2-NP liquid-liquid phase separation and demonstrated to inhibit SARS-CoV-2 replication and rescue innate antiviral immunity both in vitro and in vivo.
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Affiliation(s)
- Shuai Wang
- Institutes of Biology and Medical Science, Soochow University, Suzhou, China
| | - Tong Dai
- Institutes of Biology and Medical Science, Soochow University, Suzhou, China
| | - Ziran Qin
- Institutes of Biology and Medical Science, Soochow University, Suzhou, China
| | - Ting Pan
- Center for Infection and Immunity Studies, School of Medicine, Sun Yat-sen University, Shenzhen, China
| | - Feng Chu
- Institutes of Biology and Medical Science, Soochow University, Suzhou, China
| | - Lingfeng Lou
- Institutes of Biology and Medical Science, Soochow University, Suzhou, China
| | - Long Zhang
- MOE Laboratory of Biosystems Homeostasis and Protection and Innovation Center for Cell Signaling Network, Life Sciences Institute, Zhejiang University, Hangzhou, China
| | - Bing Yang
- MOE Laboratory of Biosystems Homeostasis and Protection and Innovation Center for Cell Signaling Network, Life Sciences Institute, Zhejiang University, Hangzhou, China.,Department of Pharmaceutical Chemistry and the Cardiovascular Research Institute, University of California, San Francisco, CA, USA
| | - Huizhe Huang
- Faculty of Basic Medical Sciences, Chonqing Medical University, Chongqing, China
| | - Huasong Lu
- MOE Laboratory of Biosystems Homeostasis and Protection and Innovation Center for Cell Signaling Network, Life Sciences Institute, Zhejiang University, Hangzhou, China
| | - Fangfang Zhou
- Institutes of Biology and Medical Science, Soochow University, Suzhou, China.
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18
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Fang P, Fang L, Zhang H, Xia S, Xiao S. Functions of Coronavirus Accessory Proteins: Overview of the State of the Art. Viruses 2021; 13:1139. [PMID: 34199223 PMCID: PMC8231932 DOI: 10.3390/v13061139] [Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2021] [Revised: 06/11/2021] [Accepted: 06/11/2021] [Indexed: 02/07/2023] Open
Abstract
Coronavirus accessory proteins are a unique set of proteins whose genes are interspersed among or within the genes encoding structural proteins. Different coronavirus genera, or even different species within the same coronavirus genus, encode varying amounts of accessory proteins, leading to genus- or species-specificity. Though accessory proteins are dispensable for the replication of coronavirus in vitro, they play important roles in regulating innate immunity, viral proliferation, and pathogenicity. The function of accessory proteins on virus infection and pathogenesis is an area of particular interest. In this review, we summarize the current knowledge on accessory proteins of several representative coronaviruses that infect humans or animals, including the emerging severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), with an emphasis on their roles in interaction between virus and host, mainly involving stress response, innate immunity, autophagy, and apoptosis. The cross-talking among these pathways is also discussed.
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Affiliation(s)
- Puxian Fang
- State Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, China; (P.F.); (L.F.); (H.Z.); (S.X.)
- Key Laboratory of Preventive Veterinary Medicine in Hubei Province, the Cooperative Innovation Center for Sustainable Pig Production, Wuhan 430070, China
| | - Liurong Fang
- State Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, China; (P.F.); (L.F.); (H.Z.); (S.X.)
- Key Laboratory of Preventive Veterinary Medicine in Hubei Province, the Cooperative Innovation Center for Sustainable Pig Production, Wuhan 430070, China
| | - Huichang Zhang
- State Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, China; (P.F.); (L.F.); (H.Z.); (S.X.)
- Key Laboratory of Preventive Veterinary Medicine in Hubei Province, the Cooperative Innovation Center for Sustainable Pig Production, Wuhan 430070, China
| | - Sijin Xia
- State Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, China; (P.F.); (L.F.); (H.Z.); (S.X.)
- Key Laboratory of Preventive Veterinary Medicine in Hubei Province, the Cooperative Innovation Center for Sustainable Pig Production, Wuhan 430070, China
| | - Shaobo Xiao
- State Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, China; (P.F.); (L.F.); (H.Z.); (S.X.)
- Key Laboratory of Preventive Veterinary Medicine in Hubei Province, the Cooperative Innovation Center for Sustainable Pig Production, Wuhan 430070, China
- Laboratory of Animal Virology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, China
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Alnuqaydan AM, Almutary AG, Sukamaran A, Yang BTW, Lee XT, Lim WX, Ng YM, Ibrahim R, Darmarajan T, Nanjappan S, Chellian J, Candasamy M, Madheswaran T, Sharma A, Dureja H, Prasher P, Verma N, Kumar D, Palaniveloo K, Bisht D, Gupta G, Madan JR, Singh SK, Jha NK, Dua K, Chellappan DK. Middle East Respiratory Syndrome (MERS) Virus-Pathophysiological Axis and the Current Treatment Strategies. AAPS PharmSciTech 2021; 22:173. [PMID: 34105037 PMCID: PMC8186825 DOI: 10.1208/s12249-021-02062-2] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2021] [Accepted: 05/19/2021] [Indexed: 02/07/2023] Open
Abstract
Middle East respiratory syndrome (MERS) is a lethal respiratory disease with its first case reported back in 2012 (Jeddah, Saudi Arabia). It is a novel, single-stranded, positive-sense RNA beta coronavirus (MERS-CoV) that was isolated from a patient who died from a severe respiratory illness. Later, it was found that this patient was infected with MERS. MERS is endemic to countries in the Middle East regions, such as Saudi Arabia, Jordan, Qatar, Oman, Kuwait and the United Arab Emirates. It has been reported that the MERS virus originated from bats and dromedary camels, the natural hosts of MERS-CoV. The transmission of the virus to humans has been thought to be either direct or indirect. Few camel-to-human transmissions were reported earlier. However, the mode of transmission of how the virus affects humans remains unanswered. Moreover, outbreaks in either family-based or hospital-based settings were observed with high mortality rates, especially in individuals who did not receive proper management or those with underlying comorbidities, such as diabetes and renal failure. Since then, there have been numerous reports hypothesising complications in fatal cases of MERS. Over the years, various diagnostic methods, treatment strategies and preventive measures have been strategised in containing the MERS infection. Evidence from multiple sources implicated that no treatment options and vaccines have been developed in specific, for the direct management of MERS-CoV infection. Nevertheless, there are supportive measures outlined in response to symptom-related management. Health authorities should stress more on infection and prevention control measures, to ensure that MERS remains as a low-level threat to public health.
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Affiliation(s)
- Abdullah M Alnuqaydan
- Department of Medical Biotechnology, College of Applied Medical Sciences, Qassim University, Buraydah, Saudi Arabia
| | - Abdulmajeed G Almutary
- Department of Medical Biotechnology, College of Applied Medical Sciences, Qassim University, Buraydah, Saudi Arabia
| | - Arulmalar Sukamaran
- School of Pharmacy, International Medical University, 126, Jalan Jalil Perkasa 19, Bukit Jalil, 57000, Kuala Lumpur, Malaysia
| | - Brian Tay Wei Yang
- School of Pharmacy, International Medical University, 126, Jalan Jalil Perkasa 19, Bukit Jalil, 57000, Kuala Lumpur, Malaysia
| | - Xiao Ting Lee
- School of Pharmacy, International Medical University, 126, Jalan Jalil Perkasa 19, Bukit Jalil, 57000, Kuala Lumpur, Malaysia
| | - Wei Xuan Lim
- School of Pharmacy, International Medical University, 126, Jalan Jalil Perkasa 19, Bukit Jalil, 57000, Kuala Lumpur, Malaysia
| | - Yee Min Ng
- School of Pharmacy, International Medical University, 126, Jalan Jalil Perkasa 19, Bukit Jalil, 57000, Kuala Lumpur, Malaysia
| | - Rania Ibrahim
- School of Health Sciences, International Medical University, 126, Jalan Jalil Perkasa 19, Bukit Jalil, 57000, Kuala Lumpur, Malaysia
| | - Thiviya Darmarajan
- School of Health Sciences, International Medical University, 126, Jalan Jalil Perkasa 19, Bukit Jalil, 57000, Kuala Lumpur, Malaysia
| | - Satheeshkumar Nanjappan
- Department of Natural Products, National Institute of Pharmaceutical Education & Research (NIPER-Kolkata), Chunilal Bhawan, Maniktala, Kolkata, West Bengal, 700054, India
| | - Jestin Chellian
- Department of Life Sciences, International Medical University, Bukit Jalil, 57000, Kuala Lumpur, Malaysia
| | - Mayuren Candasamy
- Department of Life Sciences, International Medical University, Bukit Jalil, 57000, Kuala Lumpur, Malaysia
| | - Thiagarajan Madheswaran
- Department of Pharmaceutical Technology, International Medical University, Bukit Jalil, 57000, Kuala Lumpur, Malaysia
| | - Ankur Sharma
- Department of Life Science, School of Basic Science and Research, Sharda University, Knowledge Park, Uttar Pradesh, 201310, India
| | - Harish Dureja
- Faculty of Pharmaceutical Sciences, Maharshi Dayanand University, Rohtak, India
| | - Parteek Prasher
- Department of Chemistry, University of Petroleum & Energy Studies, Energy Acres, Dehradun, 248007, India
| | - Nitin Verma
- Chitkara University School of Pharmacy, Chitkara University, Atal Shiksha Kunj, Atal Nagar, Himachal Pradesh, 174103, India
| | - Deepak Kumar
- School of Pharmaceutical Sciences, Shoolini University, Solan, Himachal Pradesh, 173229, India
| | - Kishneth Palaniveloo
- Institute of Ocean and Earth Sciences, Institute for Advanced Studies Building, University of Malaya, 50603, Kuala Lumpur, Malaysia
| | - Dheeraj Bisht
- Department of Pharmaceutical Sciences Bhimtal, Kumaun University Nainital, Uttarakhand, 263136, India
| | - Gaurav Gupta
- School of Pharmacy, Suresh Gyan Vihar University, Jaipur, India
| | - Jyotsana R Madan
- Department of Pharmaceutics, Smt. Kashibai Navale College of Pharmacy, Savitribai Phule Pune University, Pune, Maharashtra, India
| | - Sachin Kumar Singh
- School of Pharmaceutical Sciences, Lovely Professional University, Jalandhar-Delhi G.T Road, Phagwara, Punjab, India
| | - Niraj Kumar Jha
- Department of Biotechnology, School of Engineering & Technology (SET), Sharda University, Greater Noida, Uttar Pradesh, 201310, India
| | - Kamal Dua
- Discipline of Pharmacy, Graduate School of Health, University of Technology Sydney, Ultimo, NSW, 2007, Australia.
| | - Dinesh Kumar Chellappan
- Department of Life Sciences, International Medical University, Bukit Jalil, 57000, Kuala Lumpur, Malaysia.
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20
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Zugaj M, van Ditzhuijzen NS, Golebski K, Fokkens WJ. The effect of coronaviruses on olfaction: systematic review. Rhinology 2021; 59:226-235. [PMID: 34091654 DOI: 10.4193/rhin20.610] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
BACKGROUND Unlike other respiratory viruses, SARS-CoV-2 causes anosmia without sinonasal inflammation. Here we systematically review the effects of the 7 known human coronaviruses on olfaction to determine if SARS-CoV-2 distinctly affects the olfactory system. METHOD PubMed, EMBASE, Web of Science, bioRxiv, medRxiv and DOAJ were searched for studies describing pathophysiological, immunohistochemical, cytological and clinical data. RESULTS 49 studies were included. Common cold coronaviruses lead to sinonasal inflammation which can cause transient and chronic loss of smell. MERS-CoV entry receptors were not found in the nasal mucosa and it did not impair olfaction. SARS-CoV-1 had low affinity for its receptor ACE2, limiting olfactory effects. Anosmia is frequent in SARS-CoV-2 infections. SARS-CoV-2’s entry factors ACE2 and TMPRSS2 are expressed in the nasal respiratory epithelium and olfactory supporting cells. SARS-CoV-2 appeared to target the olfactory cleft while diffuse nasal inflammation was not observed. Damage of the olfactory epithelium was observed in animal models. Alternative receptors such as furin and neuropilin-1 and the similarity of viral proteins to odourant receptors could amplify olfactory impairment in SARS-CoV-2 infection. CONCLUSIONS The pathophysiology of anosmia in SARS-CoV-2 infection is distinct from other coronaviruses due to preferentially targeting olfactory supporting cells. However, SARS-CoV-2 does not cause sinonasal inflammation in spite of preferred entry factor expression in the nasal respiratory epithelium. This raises doubts about the attention given to ACE2. Alternative receptors, odourant receptor mimicry and other as yet unknown mechanisms may be crucial in the pathogenesis of anosmia in SARS-CoV-2 infection. Further studies are warranted to investigate infection mechanisms beyond ACE2.
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Affiliation(s)
- M Zugaj
- Department of Otorhinolaryngology, Amsterdam University Medical Centres, location AMC, Amsterdam, The Netherlands
| | - N S van Ditzhuijzen
- Department of Otorhinolaryngology, Amsterdam University Medical Centres, location AMC, Amsterdam, The Netherlands
| | - K Golebski
- Department of Respiratory Medicine, Amsterdam University Medical Centres, Location AMC, Amsterdam, The Netherlands
| | - W J Fokkens
- Department of Otorhinolaryngology, Amsterdam University Medical Centres, location AMC, Amsterdam, The Netherlands
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21
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Te N, Rodon J, Ballester M, Pérez M, Pailler-García L, Segalés J, Vergara-Alert J, Bensaid A. Type I and III IFNs produced by the nasal epithelia and dimmed inflammation are features of alpacas resolving MERS-CoV infection. PLoS Pathog 2021; 17:e1009229. [PMID: 34029358 PMCID: PMC8195365 DOI: 10.1371/journal.ppat.1009229] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2020] [Revised: 06/11/2021] [Accepted: 04/19/2021] [Indexed: 12/23/2022] Open
Abstract
While MERS-CoV (Middle East respiratory syndrome Coronavirus) provokes a lethal disease in humans, camelids, the main virus reservoir, are asymptomatic carriers, suggesting a crucial role for innate immune responses in controlling the infection. Experimentally infected camelids clear infectious virus within one week and mount an effective adaptive immune response. Here, transcription of immune response genes was monitored in the respiratory tract of MERS-CoV infected alpacas. Concomitant to the peak of infection, occurring at 2 days post inoculation (dpi), type I and III interferons (IFNs) were maximally transcribed only in the nasal mucosa of alpacas, while interferon stimulated genes (ISGs) were induced along the whole respiratory tract. Simultaneous to mild focal infiltration of leukocytes in nasal mucosa and submucosa, upregulation of the anti-inflammatory cytokine IL10 and dampened transcription of pro-inflammatory genes under NF-κB control were observed. In the lung, early (1 dpi) transcription of chemokines (CCL2 and CCL3) correlated with a transient accumulation of mainly mononuclear leukocytes. A tight regulation of IFNs in lungs with expression of ISGs and controlled inflammatory responses, might contribute to virus clearance without causing tissue damage. Thus, the nasal mucosa, the main target of MERS-CoV in camelids, seems central in driving an efficient innate immune response based on triggering ISGs as well as the dual anti-inflammatory effects of type III IFNs and IL10. Middle East respiratory syndrome coronavirus (MERS-CoV) is the etiological agent of a respiratory disease causing high mortality in humans. In camelids, the main MERS-CoV reservoir host, viral infection leads to subclinical disease. Our study describes transcriptional regulations of innate immunological pathways underlying asymptomatic clinical manifestations of alpacas in response to MERS-CoV. Concomitant to the peak of infection, these animals elicited a strong transient type I and III interferon response and induction of the anti-inflammatory cytokine IL10 in the nasal mucosa. Meanwhile, a dimmed regulation of pro-inflammatory cytokines and induction of interferon stimulated genes was observed along the whole respiratory mucosa with a rapid clearance of the virus in tissues. Thus, innate immune responses occurring in the nasal mucosa might be key in controlling MERS-CoV disease by avoiding a cytokine storm. Understanding on how asymptomatic host reservoirs counteract MERS-CoV infection will aid in the development of antiviral drugs and vaccines.
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Affiliation(s)
- Nigeer Te
- IRTA, Centre de Recerca en Sanitat Animal (CReSA, IRTA-UAB), Campus de la UAB, Cerdanyola del Vallès, Spain
| | - Jordi Rodon
- IRTA, Centre de Recerca en Sanitat Animal (CReSA, IRTA-UAB), Campus de la UAB, Cerdanyola del Vallès, Spain
| | - Maria Ballester
- Animal Breeding and Genetics Program, Institute for Research and Technology in Food and Agriculture (IRTA), Caldes de Montbui, Spain
| | - Mónica Pérez
- IRTA, Centre de Recerca en Sanitat Animal (CReSA, IRTA-UAB), Campus de la UAB, Cerdanyola del Vallès, Spain
| | - Lola Pailler-García
- IRTA, Centre de Recerca en Sanitat Animal (CReSA, IRTA-UAB), Campus de la UAB, Cerdanyola del Vallès, Spain
| | - Joaquim Segalés
- UAB, CReSA (IRTA-UAB), Campus de la UAB, Cerdanyola del Vallès, Spain
- Departament de Sanitat i Anatomia Animals, Facultat de Veterinaria, UAB, Cerdanyola del Vallès, Spain
| | - Júlia Vergara-Alert
- IRTA, Centre de Recerca en Sanitat Animal (CReSA, IRTA-UAB), Campus de la UAB, Cerdanyola del Vallès, Spain
- * E-mail:
| | - Albert Bensaid
- IRTA, Centre de Recerca en Sanitat Animal (CReSA, IRTA-UAB), Campus de la UAB, Cerdanyola del Vallès, Spain
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22
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Tindle C, Fuller M, Fonseca A, Taheri S, Ibeawuchi SR, Beutler N, Katkar G, Claire A, Castillo V, Hernandez M, Russo H, Duran J, Crotty Alexander LE, Tipps A, Lin G, Thistlethwaite PA, Chattopadhyay R, Rogers TF, Sahoo D, Ghosh P, Das S. Adult Stem Cell-derived Complete Lung Organoid Models Emulate Lung Disease in COVID-19. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2021:2020.10.17.344002. [PMID: 33106807 PMCID: PMC7587781 DOI: 10.1101/2020.10.17.344002] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/12/2023]
Abstract
SARS-CoV-2, the virus responsible for COVID-19, causes widespread damage in the lungs in the setting of an overzealous immune response whose origin remains unclear. We present a scalable, propagable, personalized, cost-effective adult stem cell-derived human lung organoid model that is complete with both proximal and distal airway epithelia. Monolayers derived from adult lung organoids (ALOs), primary airway cells, or hiPSC-derived alveolar type-II (AT2) pneumocytes were infected with SARS-CoV-2 to create in vitro lung models of COVID-19. Infected ALO-monolayers best recapitulated the transcriptomic signatures in diverse cohorts of COVID-19 patient-derived respiratory samples. The airway (proximal) cells were critical for sustained viral infection whereas distal alveolar differentiation (AT2→AT1) was critical for mounting the overzealous host immune response in fatal disease; ALO monolayers with well-mixed proximodistal airway components recapitulated both. Findings validate a human lung model of COVID-19 which can be immediately utilized to investigate COVID-19 pathogenesis, and vet new therapies and vaccines.
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23
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Salman AA, Waheed MH, Ali-Abdulsahib AA, Atwan ZW. Low type I interferon response in COVID-19 patients: Interferon response may be a potential treatment for COVID-19. Biomed Rep 2021; 14:43. [PMID: 33786172 PMCID: PMC7995242 DOI: 10.3892/br.2021.1419] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2020] [Accepted: 02/17/2021] [Indexed: 02/07/2023] Open
Abstract
Interferons (IFN) are antiviral cytokines that mitigate the effects of invading viruses early on during the infection process. SARS-CoV and MERS induce weak IFN responses; hence, the clinical trials which included recombinant IFN accompanied with other antiviral drugs exhibited improved results in terms of shortening the duration of illness. The aim of the present study was to evaluate the type I IFN response in COVID-19 patients to determine whether it is sufficient to eliminate or reduce the severity of the infection, and whether it can be recommended as a potential therapy. Total RNA samples were converted to cDNA and used as templates to evaluate the gene expression levels of IFN regulatory factor (IRF)3 and IFN-β in COVID-19 patients or control. The results showed that IRF3 gene expression was upregulated ~250-fold compared with the negative samples. In contrast, IFN-β expression increased slightly in COVID-19 patients. Consistent with other coronaviruses, such as SARS-CoV and MERS, COVID-19 infection does not induce an efficient IFN response to reduce the severity of the virus. This may be attributed to an incomplete response of IRF3 in activating the IFN-β promoter in the infected patients. The results suggest IFN-β or α may be used as potential treatments.
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Affiliation(s)
| | | | | | - Zeenah Weheed Atwan
- Genetic Engineering Laboratory, Biology Department, College of Science, Basrah University, Basrah, Iraq
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24
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Shahbazi M, Amri Maleh P, Bagherzadeh M, Moulana Z, Sepidarkish M, Rezanejad M, Mirzakhani M, Ebrahimpour S, Ghorbani H, Ahmadnia Z, Javanian M, Bayani M, Mohammadnia-Afrouzi M. Linkage of Lambda Interferons in Protection Against Severe COVID-19. J Interferon Cytokine Res 2021; 41:149-152. [PMID: 33885337 DOI: 10.1089/jir.2020.0187] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022] Open
Abstract
The most recently discovered interferon (IFN) family, type III IFNs or lambda IFNs (IFN-λs) are caused by viral infection and act in mucosal barriers, such as the respiratory tract. In this study, we assessed the serum levels of IFN-λs in new coronavirus disease-2019 (COVID-19) patients. Sixty-four COVID-19 patients were enrolled in this study. All cases were divided into the intensive care unit (ICU) and non-ICU groups according to their symptoms. Fourteen samples of healthy controls were also included. The serum levels of IFN-λ1 and IFN-λ2 were analyzed by specific enzyme-linked immunosorbent assay (ELISA) kits. The concentrations of IFN-λ1 and IFN-λ2 induced in the serum of non-ICU patients (836.7 ± 284.6 and 798.8 ± 301.5 pg/mL, respectively) were higher than found in ICU patients (81.57 ± 34.25 and 48.32 ± 28.13 pg/mL, respectively) (P = 0.004 and P = 0.006, respectively) and healthy controls (85.57 ± 33.63 and 65.82 ± 21.26 pg/mL, respectively) (P = 0.03 and P = 0.04, respectively). Meanwhile, no significant differences were found in the concentration of both cytokines between the ICU patients and healthy controls. We conclude that higher levels of IFN-λs are associated with decreased clinical manifestations in COVID-19 patients. These cytokines could be a promising therapeutic agent to avoid the overwhelming consequences of COVID-19.
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Affiliation(s)
- Mehdi Shahbazi
- Department of Immunology, School of Medicine, Babol University of Medical Sciences, Babol, Iran
- Immunoregulation Research Center, Health Research Institute, Babol University of Medical Sciences, Babol, Iran
| | - Parviz Amri Maleh
- Department of Anesthesiology, School of Medicine, Babol University of Medical Sciences, Babol, Iran
| | - Mojgan Bagherzadeh
- Immunoregulation Research Center, Health Research Institute, Babol University of Medical Sciences, Babol, Iran
| | - Zahra Moulana
- Infectious Diseases and Tropical Medicine Research Center, Health Research Institute, Babol University of Medical Sciences, Babol, Iran
| | - Mahdi Sepidarkish
- Department of Biostatistics and Epidemiology, School of Public Health, Babol University of Medical Sciences, Babol, Iran
| | - Maryam Rezanejad
- Department of Immunology, School of Medicine, Babol University of Medical Sciences, Babol, Iran
- Immunoregulation Research Center, Health Research Institute, Babol University of Medical Sciences, Babol, Iran
| | - Mohammad Mirzakhani
- Department of Immunology, School of Medicine, Babol University of Medical Sciences, Babol, Iran
- Immunoregulation Research Center, Health Research Institute, Babol University of Medical Sciences, Babol, Iran
| | - Soheil Ebrahimpour
- Infectious Diseases and Tropical Medicine Research Center, Health Research Institute, Babol University of Medical Sciences, Babol, Iran
| | - Hosein Ghorbani
- Department of Pathology, School of Medicine, Babol University of Medical Sciences, Babol, Iran
| | - Zahra Ahmadnia
- Department of Pathology, School of Medicine, Babol University of Medical Sciences, Babol, Iran
| | - Mostafa Javanian
- Infectious Diseases and Tropical Medicine Research Center, Health Research Institute, Babol University of Medical Sciences, Babol, Iran
| | - Masomeh Bayani
- Infectious Diseases and Tropical Medicine Research Center, Health Research Institute, Babol University of Medical Sciences, Babol, Iran
| | - Mousa Mohammadnia-Afrouzi
- Department of Immunology, School of Medicine, Babol University of Medical Sciences, Babol, Iran
- Immunoregulation Research Center, Health Research Institute, Babol University of Medical Sciences, Babol, Iran
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25
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El-Sayed A, Kamel M. Coronaviruses in humans and animals: the role of bats in viral evolution. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:19589-19600. [PMID: 33655480 PMCID: PMC7924989 DOI: 10.1007/s11356-021-12553-1] [Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/27/2020] [Accepted: 01/14/2021] [Indexed: 04/15/2023]
Abstract
Bats act as a natural reservoir for many viruses, including coronaviruses, and have played a crucial epidemiological role in the emergence of many viral diseases. Coronaviruses have been known for 60 years. They are usually responsible for the induction of mild respiratory signs in humans. However, since 2002, the bat-borne virus started to induce fatal epidemics according to WHO reports. In this year, the first serious human coronavirus epidemic (severe acute respiratory syndrome; SARS) occurred (China, 8098 cases, 774 deaths [9.5% of the cases] in 17 countries). The case fatality was higher in elderly patients above 60 years and reached 50% of the cases. SARS epidemic was followed 10 years later by the emergence of the middle east respiratory syndrome (MERS) in Saudi Arabia (in 2012, 2260 cases, 803 deaths [35.5% of the cases] in 27 countries). Finally, in December 2019, a new epidemic in Wuhan, China, (corona virus disease 2019, COVID-19) emerged and could spread to 217 countries infecting more than 86,255,226 cases and killing 1,863,973 people by the end of 2020. There are many reasons why bats are ideal reservoir hosts for viral diseases such as the tolerance of their immune system to the invading viruses for several months. They can actively shed the viruses, although they develop no clinical signs (will be discussed in details later in the review). Bats were directly or indirectly involved in the three previous coronavirus epidemics. The indirect transmission takes place via intermediate hosts including civet cats for SARS and dromedary camels in the case of MERS. Although bats are believed to be the source of COVID-19 pandemic, direct pieces of evidence are still lacking. Therefore, coronaviruses' role in epidemics induction and the epidemiological role of bats are discussed. The current work also presents different evidence (phylogenetic data, animal experiments, bats artificial infection studies, and computerized models of SARS-CoV2 evolution) that underline the involvement of bats in the epidemiology of the pandemic.
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Affiliation(s)
- Amr El-Sayed
- Department of Medicine and Infectious Diseases, Faculty of Medicine and Infectious Diseases, Cairo University, Giza, 12211, Egypt
| | - Mohamed Kamel
- Department of Medicine and Infectious Diseases, Faculty of Medicine and Infectious Diseases, Cairo University, Giza, 12211, Egypt.
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26
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Oh SJ, Shin OS. SARS-CoV-2 Nucleocapsid Protein Targets RIG-I-Like Receptor Pathways to Inhibit the Induction of Interferon Response. Cells 2021; 10:530. [PMID: 33801464 PMCID: PMC7999926 DOI: 10.3390/cells10030530] [Citation(s) in RCA: 79] [Impact Index Per Article: 26.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2021] [Revised: 02/23/2021] [Accepted: 02/24/2021] [Indexed: 12/14/2022] Open
Abstract
Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is the causative agent of the coronavirus disease 2019 (COVID-19) that has resulted in the current pandemic. The lack of highly efficacious antiviral drugs that can manage this ongoing global emergency gives urgency to establishing a comprehensive understanding of the molecular pathogenesis of SARS-CoV-2. We characterized the role of the nucleocapsid protein (N) of SARS-CoV-2 in modulating antiviral immunity. Overexpression of SARS-CoV-2 N resulted in the attenuation of retinoic acid inducible gene-I (RIG-I)-like receptor-mediated interferon (IFN) production and IFN-induced gene expression. Similar to the SARS-CoV-1 N protein, SARS-CoV-2 N suppressed the interaction between tripartate motif protein 25 (TRIM25) and RIG-I. Furthermore, SARS-CoV-2 N inhibited polyinosinic: polycytidylic acid [poly(I:C)]-mediated IFN signaling at the level of Tank-binding kinase 1 (TBK1) and interfered with the association between TBK1 and interferon regulatory factor 3 (IRF3), subsequently preventing the nuclear translocation of IRF3. We further found that both type I and III IFN production induced by either the influenza virus lacking the nonstructural protein 1 or the Zika virus were suppressed by the SARS-CoV-2 N protein. Our findings provide insights into the molecular function of the SARS-CoV-2 N protein with respect to counteracting the host antiviral immune response.
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Affiliation(s)
| | - Ok Sarah Shin
- BK21 Graduate Program, Department of Biomedical Sciences, College of Medicine, Korea University Guro Hospital, Seoul
08308, Korea;
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27
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Storci G, Bonifazi F, Garagnani P, Olivieri F, Bonafè M. The role of extracellular DNA in COVID-19: Clues from inflamm-aging. Ageing Res Rev 2021; 66:101234. [PMID: 33321254 PMCID: PMC7833688 DOI: 10.1016/j.arr.2020.101234] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2020] [Revised: 12/03/2020] [Accepted: 12/07/2020] [Indexed: 12/12/2022]
Abstract
Epidemiological data convey severe prognosis and high mortality rate for COVID-19 in elderly men affected by age-related diseases. These subjects develop local and systemic hyper-inflammation, which are associated with thrombotic complications and multi-organ failure. Therefore, understanding SARS-CoV-2 induced hyper-inflammation in elderly men is a pressing need. Here we focus on the role of extracellular DNA, mainly mitochondrial DNA (mtDNA) and telomeric DNA (telDNA) in the modulation of systemic inflammation in these subjects. In particular, extracellular mtDNA is regarded as a powerful trigger of the inflammatory response. On the contrary, extracellular telDNA pool is estimated to be capable of inhibiting a variety of inflammatory pathways. In turn, we underpin that telDNA reservoir is progressively depleted during aging, and that it is scarcer in men than in women. We propose that an increase in extracellular mtDNA, concomitant with the reduction of the anti-inflammatory telDNA reservoir may explain hyper-inflammation in elderly male affected by COVID-19. This scenario is reminiscent of inflamm-aging, the portmanteau word that depicts how aging and aging related diseases are intimately linked to inflammation.
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Affiliation(s)
- Gianluca Storci
- Department of Experimental and Diagnostic Medicine, University of Bologna, Italy.
| | | | - Paolo Garagnani
- Department of Experimental and Diagnostic Medicine, University of Bologna, Italy; Clinical Chemistry, Department of Laboratory Medicine, Karolinska Institutet at Huddinge University Hospital, Stockholm, Sweden
| | - Fabiola Olivieri
- Department of Clinical and Molecular Sciences (DISCLIMO), Università Politecnica delle Marche, Ancona, Italy; Center of Clinical Pathology and Regenerative Therapy, IRCCS INRCA, Ancona, Italy
| | - Massimiliano Bonafè
- Department of Experimental and Diagnostic Medicine, University of Bologna, Italy.
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28
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Uversky VN, Elrashdy F, Aljadawi A, Ali SM, Khan RH, Redwan EM. Severe acute respiratory syndrome coronavirus 2 infection reaches the human nervous system: How? J Neurosci Res 2021; 99:750-777. [PMID: 33217763 PMCID: PMC7753416 DOI: 10.1002/jnr.24752] [Citation(s) in RCA: 35] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2020] [Revised: 10/19/2020] [Accepted: 10/21/2020] [Indexed: 02/06/2023]
Abstract
Without protective and/or therapeutic agents the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection known as coronavirus disease 2019 is quickly spreading worldwide. It has surprising transmissibility potential, since it could infect all ages, gender, and human sectors. It attacks respiratory, gastrointestinal, urinary, hepatic, and endovascular systems and can reach the peripheral nervous system (PNS) and central nervous system (CNS) through known and unknown mechanisms. The reports on the neurological manifestations and complications of the SARS-CoV-2 infection are increasing exponentially. Herein, we enumerate seven candidate routes, which the mature or immature SARS-CoV-2 components could use to reach the CNS and PNS, utilizing the within-body cross talk between organs. The majority of SARS-CoV-2-infected patients suffer from some neurological manifestations (e.g., confusion, anosmia, and ageusia). It seems that although the mature virus did not reach the CNS or PNS of the majority of patients, its unassembled components and/or the accompanying immune-mediated responses may be responsible for the observed neurological symptoms. The viral particles and/or its components have been specifically documented in endothelial cells of lung, kidney, skin, and CNS. This means that the blood-endothelial barrier may be considered as the main route for SARS-CoV-2 entry into the nervous system, with the barrier disruption being more logical than barrier permeability, as evidenced by postmortem analyses.
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Affiliation(s)
- Vladimir N. Uversky
- Biological Science DepartmentFaculty of ScienceKing Abdulaziz UniversityJeddahSaudi Arabia
- Department of Molecular Medicine and USF Health Byrd Alzheimer's Research Institute, Morsani College of MedicineUniversity of South FloridaTampaFLUSA
- Institute for Biological Instrumentation of the Russian Academy of SciencesFederal Research Center “Pushchino Scientific Center for Biological Research of the Russian Academy of Sciences”PushchinoRussia
| | - Fatma Elrashdy
- Department of Endemic Medicine and HepatogastroenterologyKasr Alainy School of MedicineCairo UniversityCairoEgypt
| | - Abdullah Aljadawi
- Biological Science DepartmentFaculty of ScienceKing Abdulaziz UniversityJeddahSaudi Arabia
| | - Syed Moasfar Ali
- Interdisciplinary Biotechnology UnitAligarh Muslim UniversityAligarhIndia
| | - Rizwan Hasan Khan
- Interdisciplinary Biotechnology UnitAligarh Muslim UniversityAligarhIndia
| | - Elrashdy M. Redwan
- Biological Science DepartmentFaculty of ScienceKing Abdulaziz UniversityJeddahSaudi Arabia
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29
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COVID-19 as a worldwide selective event and bitter taste receptor polymorphisms: An ecological correlational study. Int J Biol Macromol 2021; 177:204-210. [PMID: 33582215 PMCID: PMC8043766 DOI: 10.1016/j.ijbiomac.2021.02.070] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2020] [Revised: 01/18/2021] [Accepted: 02/08/2021] [Indexed: 12/17/2022]
Abstract
Background Given the observed olfactory and gustatory dysfunctions in patients with COVID-19 and recent findings on taste receptors possible important activities in the immune system, we elected to estimate the correlation between COVID-19 mortality and polymorphism of a particular type of bitter taste receptor gene called TAS2R38, in a worldwide epidemiological point of view. Methods Pooled rate of each of the rs713598, rs1726866, rs10246939, and PAV/AVI polymorphisms of the TAS2R38 gene was obtained in different countries using a systematic review methodology and its relationship with the mortality of COVID-19. Data were analyzed by the comprehensive meta-analysis software and SPSS. Results There was only a significant reverse Pearson correlation in death counts and PAV/AVI ratio, p = 0.047, r = −0.503. Also, a significant reverse correlation of PAV/AVI ratio and death rate was seen, r = −0.572 p = 0.021. rs10246939 ratio had a significant positive correlation with death rate, r = 0.851 p = 0.031. Further analysis was not significant. Our results showed that the higher presence of PAV allele than AVI, and a higher rate of G allele than A in rs10246939 polymorphism in a country, could be associated with lower COVID-19 mortality. While assessing all three polymorphisms showed a huge diversity worldwide. Conclusion Due to extraoral activities of bitter taste receptor genes, especially in mucosal immunity, this gene seems to be a good candidate for future studies on COVID-19 pathophysiology. Also, the high worldwide diversity of TAS2R38 genes polymorphism and its possible assassination with mortality raises concerns about the efficiency of vaccine projects in different ethnicities.
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Barbosa A, Varsani A, Morandini V, Grimaldi W, Vanstreels RET, Diaz JI, Boulinier T, Dewar M, González-Acuña D, Gray R, McMahon CR, Miller G, Power M, Gamble A, Wille M. Risk assessment of SARS-CoV-2 in Antarctic wildlife. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 755:143352. [PMID: 33162142 PMCID: PMC7598351 DOI: 10.1016/j.scitotenv.2020.143352] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/27/2020] [Revised: 10/20/2020] [Accepted: 10/21/2020] [Indexed: 04/15/2023]
Abstract
The coronavirus disease 2019 (COVID-19) pandemic is caused by the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). This pathogen has spread rapidly across the world, causing high numbers of deaths and significant social and economic impacts. SARS-CoV-2 is a novel coronavirus with a suggested zoonotic origin with the potential for cross-species transmission among animals. Antarctica can be considered the only continent free of SARS-CoV-2. Therefore, concerns have been expressed regarding the potential human introduction of this virus to the continent through the activities of research or tourism to minimise the effects on human health, and the potential for virus transmission to Antarctic wildlife. We assess the reverse-zoonotic transmission risk to Antarctic wildlife by considering the available information on host susceptibility, dynamics of the infection in humans, and contact interactions between humans and Antarctic wildlife. The environmental conditions in Antarctica seem to be favourable for the virus stability. Indoor spaces such as those at research stations, research vessels or tourist cruise ships could allow for more transmission among humans and depending on their movements between different locations the virus could be spread across the continent. Among Antarctic wildlife previous in silico analyses suggested that cetaceans are at greater risk of infection whereas seals and birds appear to be at a low infection risk. However, caution needed until further research is carried out and consequently, the precautionary principle should be applied. Field researchers handling animals are identified as the human group posing the highest risk of transmission to animals while tourists and other personnel pose a significant risk only when in close proximity (< 5 m) to Antarctic fauna. We highlight measures to reduce the risk as well as identify of knowledge gaps related to this issue.
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Affiliation(s)
- Andrés Barbosa
- Evolutionary Ecology Dpt. Museo Nacional de Ciencias Naturales, CSIC, C/José Gutierrez Abascal, 2, 28006 Madrid, Spain.
| | - Arvind Varsani
- The Biodesign Center for Fundamental and Applied Microbiomics, Center for Evolution and Medicine, School of Life Sciences, Arizona State University, Tempe, AZ, USA; Structural Biology Research Unit, Department of Integrative Biomedical Sciences, University of Cape Town, Observatory, Cape Town, South Africa
| | - Virginia Morandini
- Oregon Cooperative Fish and Wildlife Research Unit, Department of Fisheries and Wildlife, Oregon State University, Oregon, USA
| | | | - Ralph E T Vanstreels
- Institute of Research and Rehabilitation of Marine Animals (IPRAM), Rodovia, Cariacica, Brazil
| | - Julia I Diaz
- Centro de Estudios Parasitológicos y de Vectores (CEPAVE-UNLP-CONICET), La Plata, Buenos Aires, Argentina
| | - Thierry Boulinier
- Centre d'Ecologie Fonctionnelle et Evolutive, CNRS, Université de Montpellier, EPHE, Université Paul Valéry Montpellier 3, IRD, Montpellier, France
| | - Meagan Dewar
- School of Science, Psychology and Sport, Federation University Australia, Australia
| | - Daniel González-Acuña
- Laboratorio de Parásitos y Enfermedades de Fauna Silvestre, Facultad de Ciencias Veterinarias, Universidad de Concepción, Chillán, Chile
| | - Rachael Gray
- Sydney School of Veterinary Science, Faculty of Science, The University of Sydney, NSW, Australia
| | - Clive R McMahon
- IMOS Animal Satellite Tagging, Sydney Institute of Marine Science, Mosman, New South Wales, Australia
| | - Gary Miller
- Discipline of Microbiology and Immunology, University of Western Australia, Crawley, WA 6009, Australia
| | - Michelle Power
- Department of Biological Sciences, Macquarie University, NSW 2109, Australia
| | - Amandine Gamble
- Department of Ecology and Evolution, University of California Los Angeles, CA, USA
| | - Michelle Wille
- Marie Bashir Institute for Infectious Diseases and Biosecurity, School of Life and Environmental Sciences and School of Medical Sciences, The University of Sydney, Sydney, New South Wales, Australia
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Majumdar S, Murphy PM. Chemokine Regulation During Epidemic Coronavirus Infection. Front Pharmacol 2021; 11:600369. [PMID: 33613280 PMCID: PMC7890195 DOI: 10.3389/fphar.2020.600369] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2020] [Accepted: 12/11/2020] [Indexed: 12/15/2022] Open
Abstract
SARS-CoV-2 (Severe Acute Respiratory Syndrome coronavirus-2) is the third coronavirus to emerge as a cause of severe and frequently fatal pneumonia epidemics in humans, joining SARS-CoV and MERS-CoV (Middle East Respiratory Syndrome-coronavirus). As with many infectious diseases, the immune response to coronavirus infection may act as a double-edged sword: necessary for promoting antiviral host defense, but, if not appropriately regulated, also able to incite life-threatening immunopathology. Key immunoregulatory mediators include the chemokines, a large family of leukocyte chemoattractants that coordinate leukocyte infiltration, positioning and activation in infected tissue by acting at specific G protein-coupled receptors. Here, we compare the involvement of chemokines and chemokine receptors during infection with the three epidemic coronaviruses and discuss their potential value as biomarkers and targets for therapeutic development.
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Affiliation(s)
| | - Philip M. Murphy
- Molecular Signaling Section, Laboratory of Molecular Immunology, National Institute of Allergy and Infectious Diseases, NIH, Bethesda, MD, United States
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Zarandi PK, Zinatizadeh MR, Zinatizadeh M, Yousefi MH, Rezaei N. SARS-CoV-2: From the pathogenesis to potential anti-viral treatments. Biomed Pharmacother 2021; 137:111352. [PMID: 33550050 PMCID: PMC7969672 DOI: 10.1016/j.biopha.2021.111352] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2020] [Revised: 01/26/2021] [Accepted: 01/29/2021] [Indexed: 12/12/2022] Open
Abstract
Introduction The world is witnessing the spread of one of the members of Coronaviruses (CoVs) family, called severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) in the 21st century. Considering the short time spent after its prevalence, limited information is known about the effect of the virus mechanism on different organs of the body; meanwhile the lack of specific treatment and vaccine for this virus has exposed millions of people to a big challenge. Areas covered The review article aims to describe the general and particular characteristics of CoVs, their classification, genome structure, host cell infection, cytokine storm, anti-viral treatments, and inhibition of COVID-19-related ER-mitochondrial stress. In addition, it refers to drugs such as Chloroquine/Hydroxychloroquine, Lopinavir/Ritonavir, darunavir, ribavirin, remdesivir, and favipiravir, which have undergone clinical trials for coronavirus disease 2019 (COVID-19) treatment. This analysis was derived from an extensive scientific literature search including Pubmed, ScienceDirect, and Google Scholar performed. Expert opinion The effectiveness rate and complications of these drugs can reveal new insights into the potential therapeutic goals for the disease. Moreover, lifestyle change can effectively prevent SARS-CoV-2 infection.
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Affiliation(s)
- Peyman Kheirandish Zarandi
- Department of Biology, Science and Research Branch, Islamic Azad University, Tehran, Iran; Cancer Biology Signaling Pathway Interest Group (CBSPIG), Universal Scientific Education and Research Network (USERN), Tehran, Iran
| | - Mohammad Reza Zinatizadeh
- Department of Biology, Science and Research Branch, Islamic Azad University, Tehran, Iran; Cancer Biology Signaling Pathway Interest Group (CBSPIG), Universal Scientific Education and Research Network (USERN), Tehran, Iran.
| | - Maryam Zinatizadeh
- Department of Anesthesiology, Semnan Branch, Islamic Azad University, Shahrood, Iran
| | - Mohammad Hadi Yousefi
- Department of Mycobacteriology and Pulmonary Research, Pasteur Institute of Iran, Tehran, Iran; Department of Mycobacteriology and Pulmonary Research, Microbiology Research Center (MRC), Pasteur Institute of Iran, Tehran, Iran
| | - Nima Rezaei
- Research Center for Immunodeficiencies, Children's Medical Center, Tehran University of Medical Sciences, Tehran, Iran; Department of Immunology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran; Network of Immunity in Infection, Malignancy and Autoimmunity (NIIMA), Universal Scientific Education and Research Network (USERN), Tehran, Iran.
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Kočar E, Režen T, Rozman D. Cholesterol, lipoproteins, and COVID-19: Basic concepts and clinical applications. Biochim Biophys Acta Mol Cell Biol Lipids 2021; 1866:158849. [PMID: 33157278 PMCID: PMC7610134 DOI: 10.1016/j.bbalip.2020.158849] [Citation(s) in RCA: 71] [Impact Index Per Article: 23.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2020] [Revised: 10/09/2020] [Accepted: 10/25/2020] [Indexed: 12/19/2022]
Abstract
Cholesterol is being recognized as a molecule involved in regulating the entry of the SARS-CoV-2 virus into the host cell. However, the data about the possible role of cholesterol carrying lipoproteins and their receptors in relation to infection are scarce and the connection of lipid-associated pathologies with COVID-19 disease is in its infancy. Herein we provide an overview of lipids and lipid metabolism in relation to COVID-19, with special attention on different forms of cholesterol. Cholesterol enriched lipid rafts represent a platform for viruses to enter the host cell by endocytosis. Generally, higher membrane cholesterol coincides with higher efficiency of COVID-19 entry. Inversely, patients with COVID-19 show lowered levels of blood cholesterol, high-density lipoproteins (HDL) and low-density lipoproteins. The modulated efficiency of viral entry can be explained by availability of SR-B1 receptor. HDL seems to have a variety of roles, from being itself a scavenger for viruses, an immune modulator and mediator of viral entry. Due to inverse roles of membrane cholesterol and lipoprotein cholesterol in COVID-19 infected patients, treatment of these patients with cholesterol lowering statins needs more attention. In conclusion, cholesterol and lipoproteins are potential markers for monitoring the viral infection status, while the lipid metabolic pathways and the composition of membranes could be targeted to selectively inhibit the life cycle of the virus as a basis for antiviral therapy.
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Affiliation(s)
- Eva Kočar
- Centre for Functional Genomics and Bio-Chips, Institute of Biochemistry, Faculty of Medicine, University of Ljubljana, Zaloška 4, 1000 Ljubljana, Slovenia.
| | - Tadeja Režen
- Centre for Functional Genomics and Bio-Chips, Institute of Biochemistry, Faculty of Medicine, University of Ljubljana, Zaloška 4, 1000 Ljubljana, Slovenia.
| | - Damjana Rozman
- Centre for Functional Genomics and Bio-Chips, Institute of Biochemistry, Faculty of Medicine, University of Ljubljana, Zaloška 4, 1000 Ljubljana, Slovenia.
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Ng CS, Stobart CC, Luo H. Innate immune evasion mediated by picornaviral 3C protease: Possible lessons for coronaviral 3C-like protease? Rev Med Virol 2021; 31:1-22. [PMID: 33624382 PMCID: PMC7883238 DOI: 10.1002/rmv.2206] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2020] [Revised: 12/03/2020] [Accepted: 12/04/2020] [Indexed: 01/10/2023]
Abstract
Severe acute respiratory syndrome coronavirus-2 is the etiological agent of the ongoing pandemic of coronavirus disease-2019, a multi-organ disease that has triggered an unprecedented global health and economic crisis. The virally encoded 3C-like protease (3CLpro ), which is named after picornaviral 3C protease (3Cpro ) due to their similarities in substrate recognition and enzymatic activity, is essential for viral replication and has been considered as the primary drug target. However, information regarding the cellular substrates of 3CLpro and its interaction with the host remains scarce, though recent work has begun to shape our understanding more clearly. Here we summarized and compared the mechanisms by which picornaviruses and coronaviruses have evolved to evade innate immune surveillance, with a focus on the established role of 3Cpro in this process. Through this comparison, we hope to highlight the potential action and mechanisms that are conserved and shared between 3Cpro and 3CLpro . In this review, we also briefly discussed current advances in the development of broad-spectrum antivirals targeting both 3Cpro and 3CLpro .
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Affiliation(s)
- Chen Seng Ng
- Centre for Heart Lung Innovation, St Paul's Hospital, University of British Columbia, Vancouver, Canada.,Department of Pathology and Laboratory of Medicine, University of British Columbia, Vancouver, Canada
| | | | - Honglin Luo
- Centre for Heart Lung Innovation, St Paul's Hospital, University of British Columbia, Vancouver, Canada.,Department of Pathology and Laboratory of Medicine, University of British Columbia, Vancouver, Canada
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Haji Abdolvahab M, Moradi-Kalbolandi S, Zarei M, Bose D, Majidzadeh-A K, Farahmand L. Potential role of interferons in treating COVID-19 patients. Int Immunopharmacol 2021; 90:107171. [PMID: 33221168 PMCID: PMC7608019 DOI: 10.1016/j.intimp.2020.107171] [Citation(s) in RCA: 41] [Impact Index Per Article: 13.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2020] [Revised: 10/15/2020] [Accepted: 10/30/2020] [Indexed: 12/14/2022]
Abstract
The recently public health crises in the world is emerged by spreading the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) also named COVID-19. The virus is originated in bats and transported to humans via undefined intermediate animals. This virus can produce from weak to severe respiratory diseases including acute respiratory distress syndrome (ARDS), multiple organ dysfunction syndrome (MODS), pneumonia and even death in patients. The COVID-19 disease is distributed by inhalation via contaminated droplets or contact with infected environment. The incubation time is from 2 to 14 day and the symptoms are typically fever, sore throat, cough, malaise, fatigue, breathlessness among others. It needs to be considered that many infected people are asymptomatic. Developing various immunological and virological methods to diagnose this disease is supported by several laboratories. Treatment is principally supportive; however, there are several agents that are using in treating of COVID-19 patients. Interferons (IFNs) have shown to be crucial in fighting with COVID-19 disease and can be a suitable candidate in treatment of these patients. Combination therapy can be more effective than monotherapy to cure this disease. Prevention necessitates to be performed by isolation of suspected people and home quarantine as well as taking care to infected people with mild or strict disease at hospitals. As the outbreak of SARS-CoV-2 has accelerated, developing effective therapy is an urgent requirement to battle the virus and prevent further pandemic. In this manuscript we reviewed available information about SARS-CoV-2 and probable therapies for COVID-19 patients.
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Affiliation(s)
- Mohadeseh Haji Abdolvahab
- Recombinant Proteins Department, Breast Cancer Research Center, Motamed Cancer Institute, ACECR, Tehran 1517964311, Iran
| | - Shima Moradi-Kalbolandi
- Recombinant Proteins Department, Breast Cancer Research Center, Motamed Cancer Institute, ACECR, Tehran 1517964311, Iran
| | - Mohammad Zarei
- Department of Pathology & Laboratory Medicine, Center for Mitochondrial & Epigenomic Medicine, Children's Hospital of Philadelphia, Philadelphia, PA 19104, USA; Department of Pathology & Laboratory Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Deepanwita Bose
- Division of Infectious Diseases, Department of Pediatrics, Boston Children's Hospital, Boston, MA, USA; Harvard Medical School, Boston, MA, USA
| | - Keivan Majidzadeh-A
- Recombinant Proteins Department, Breast Cancer Research Center, Motamed Cancer Institute, ACECR, Tehran 1517964311, Iran
| | - Leila Farahmand
- Recombinant Proteins Department, Breast Cancer Research Center, Motamed Cancer Institute, ACECR, Tehran 1517964311, Iran.
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Mangion K, Morrow A, Bagot C, Bayes H, Blyth KG, Church C, Corcoran D, Delles C, Gillespie L, Grieve D, Ho A, Kean S, Lang NN, Lennie V, Lowe DJ, Kellman P, Macfarlane PW, McConnachie A, Roditi G, Sykes R, Touyz RM, Sattar N, Wereski R, Wright S, Berry C. The Chief Scientist Office Cardiovascular and Pulmonary Imaging in SARS Coronavirus disease-19 (CISCO-19) study. Cardiovasc Res 2020; 116:2185-2196. [PMID: 32702087 PMCID: PMC7454350 DOI: 10.1093/cvr/cvaa209] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/12/2020] [Accepted: 07/17/2020] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND COVID-19 is typically a primary respiratory illness with multisystem involvement. The prevalence and clinical significance of cardiovascular and multisystem involvement in COVID-19 remain unclear. METHODS This is a prospective, observational, multicentre, longitudinal, cohort study with minimal selection criteria and a near-consecutive approach to screening. Patients who have received hospital care for COVID-19 will be enrolled within 28 days of discharge. Myocardial injury will be diagnosed according to the peak troponin I in relation to the upper reference limit (URL, 99th centile) (Abbott Architect troponin I assay; sex-specific URL, male: >34 ng/L; female: >16 ng/L). Multisystem, multimodality imaging will be undertaken during the convalescent phase at 28 days post-discharge (Visit 2). Imaging of the heart, lung, and kidneys will include multiparametric, stress perfusion, cardiovascular magnetic resonance imaging, and computed tomography coronary angiography. Health and well-being will be assessed in the longer term. The primary outcome is the proportion of patients with a diagnosis of myocardial inflammation. CONCLUSION CISCO-19 will provide detailed insights into cardiovascular and multisystem involvement of COVID-19. Our study will inform the rationale and design of novel therapeutic and management strategies for affected patients. CLINICAL TRIAL REGISTRATION ClinicalTrials.gov identifier NCT04403607.
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Affiliation(s)
- Kenneth Mangion
- British Heart Foundation Glasgow Cardiovascular Research Centre, Institute of Cardiovascular and Medical Sciences, University of Glasgow, Glasgow, UK
- Department of Cardiology, Queen Elizabeth University Hospital, NHS Greater Glasgow and Clyde Health Board, Glasgow, UK
| | - Andrew Morrow
- British Heart Foundation Glasgow Cardiovascular Research Centre, Institute of Cardiovascular and Medical Sciences, University of Glasgow, Glasgow, UK
- Department of Cardiology, Queen Elizabeth University Hospital, NHS Greater Glasgow and Clyde Health Board, Glasgow, UK
| | - Catherine Bagot
- Department of Haemostasis and Thrombosis, Royal Infirmary, NHS Greater Glasgow and Clyde Health Board, Glasgow, UK
| | - Hannah Bayes
- Department of Respiratory Medicine, Glasgow Royal Infirmary, NHS Greater Glasgow and Clyde Health Board, Glasgow, UK
| | - Kevin G Blyth
- Department of Respiratory Medicine, Queen Elizabeth University Hospital, NHS Greater Glasgow and Clyde Health Board, Glasgow, UK
- Institute of Cancer Sciences, University of Glasgow, Glasgow, UK
| | - Colin Church
- Department of Respiratory Medicine, Queen Elizabeth University Hospital, NHS Greater Glasgow and Clyde Health Board, Glasgow, UK
| | - David Corcoran
- British Heart Foundation Glasgow Cardiovascular Research Centre, Institute of Cardiovascular and Medical Sciences, University of Glasgow, Glasgow, UK
- Department of Cardiology, Queen Elizabeth University Hospital, NHS Greater Glasgow and Clyde Health Board, Glasgow, UK
| | - Christian Delles
- British Heart Foundation Glasgow Cardiovascular Research Centre, Institute of Cardiovascular and Medical Sciences, University of Glasgow, Glasgow, UK
| | - Lynsey Gillespie
- Project Management Unit, Glasgow Clinical Research Facility, Greater Glasgow and Clyde Health Board, Glasgow, UK
| | - Douglas Grieve
- Department of Respiratory Medicine, Royal Alexandra Hospital, NHS Greater Glasgow and Clyde Health Board, Glasgow, UK
| | - Antonia Ho
- MRC-University of Glasgow Centre for Virus Research, Glasgow, UK
| | - Sharon Kean
- Robertson Centre for Biostatistics, Institute of Health and Wellbeing, University of Glasgow, Glasgow, UK
| | - Ninian N Lang
- British Heart Foundation Glasgow Cardiovascular Research Centre, Institute of Cardiovascular and Medical Sciences, University of Glasgow, Glasgow, UK
- Department of Cardiology, Queen Elizabeth University Hospital, NHS Greater Glasgow and Clyde Health Board, Glasgow, UK
| | - Vera Lennie
- Department of Cardiology, University Hospital Ayr, Ayrshire and Arran Health Board, Ayr, UK
| | - David J Lowe
- Department of Emergency Medicine, Queen Elizabeth University Hospital, NHS Greater Glasgow and Clyde Health Board, Glasgow, UK
| | - Peter Kellman
- National Heart, Lung, and Blood Institute, National Institutes of Health, DHHS, Bethesda, MD, USA
| | - Peter W Macfarlane
- Electrocardiography Core Laboratory, Institute of Health and Wellbeing, University of Glasgow, UK
| | - Alex McConnachie
- MRC-University of Glasgow Centre for Virus Research, Glasgow, UK
| | - Giles Roditi
- British Heart Foundation Glasgow Cardiovascular Research Centre, Institute of Cardiovascular and Medical Sciences, University of Glasgow, Glasgow, UK
- Department of Radiology, NHS Greater Glasgow and Clyde Health Board, Glasgow, UK
| | - Robert Sykes
- British Heart Foundation Glasgow Cardiovascular Research Centre, Institute of Cardiovascular and Medical Sciences, University of Glasgow, Glasgow, UK
- Department of Cardiology, Royal Infirmary, NHS Greater Glasgow and Clyde Health Board, Glasgow, UK
| | - Rhian M Touyz
- British Heart Foundation Glasgow Cardiovascular Research Centre, Institute of Cardiovascular and Medical Sciences, University of Glasgow, Glasgow, UK
- Department of Cardiology, Queen Elizabeth University Hospital, NHS Greater Glasgow and Clyde Health Board, Glasgow, UK
| | - Naveed Sattar
- British Heart Foundation Glasgow Cardiovascular Research Centre, Institute of Cardiovascular and Medical Sciences, University of Glasgow, Glasgow, UK
| | - Ryan Wereski
- Department of Cardiology, Queen Elizabeth University Hospital, NHS Greater Glasgow and Clyde Health Board, Glasgow, UK
- Department of Cardiology, University Hospital Ayr, Ayrshire and Arran Health Board, Ayr, UK
- British Heart Foundation Centre for Cardiovascular Science, University of Edinburgh, Edinburgh, UK
| | - Sylvia Wright
- British Heart Foundation Glasgow Cardiovascular Research Centre, Institute of Cardiovascular and Medical Sciences, University of Glasgow, Glasgow, UK
- Department of Respiratory Medicine, Royal Alexandra Hospital, NHS Greater Glasgow and Clyde Health Board, Glasgow, UK
| | - Colin Berry
- British Heart Foundation Glasgow Cardiovascular Research Centre, Institute of Cardiovascular and Medical Sciences, University of Glasgow, Glasgow, UK
- Department of Cardiology, Queen Elizabeth University Hospital, NHS Greater Glasgow and Clyde Health Board, Glasgow, UK
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Lozhkov AA, Klotchenko SA, Ramsay ES, Moshkoff HD, Moshkoff DA, Vasin AV, Salvato MS. The Key Roles of Interferon Lambda in Human Molecular Defense against Respiratory Viral Infections. Pathogens 2020; 9:pathogens9120989. [PMID: 33255985 PMCID: PMC7760417 DOI: 10.3390/pathogens9120989] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2020] [Revised: 11/23/2020] [Accepted: 11/24/2020] [Indexed: 12/18/2022] Open
Abstract
Interferons (IFN) are crucial for the innate immune response. Slightly more than two decades ago, a new type of IFN was discovered: the lambda IFN (type III IFN). Like other IFN, the type III IFN display antiviral activity against a wide variety of infections, they induce expression of antiviral, interferon-stimulated genes (MX1, OAS, IFITM1), and they have immuno-modulatory activities that shape adaptive immune responses. Unlike other IFN, the type III IFN signal through distinct receptors is limited to a few cell types, primarily mucosal epithelial cells. As a consequence of their greater and more durable production in nasal and respiratory tissues, they can determine the outcome of respiratory infections. This review is focused on the role of IFN-λ in the pathogenesis of respiratory viral infections, with influenza as a prime example. The influenza virus is a major public health problem, causing up to half a million lethal infections annually. Moreover, the virus has been the cause of four pandemics over the last century. Although IFN-λ are increasingly being tested in antiviral therapy, they can have a negative influence on epithelial tissue recovery and increase the risk of secondary bacterial infections. Therefore, IFN-λ expression deserves increased scrutiny as a key factor in the host immune response to infection.
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Affiliation(s)
- Alexey A. Lozhkov
- Peter the Great St. Petersburg Polytechnic University, 195251 St. Petersburg, Russia; (A.A.L.); (D.A.M.); (A.V.V.)
- Smorodintsev Research Institute of Influenza, Russian Ministry of Health, 196376 St. Petersburg, Russia; (S.A.K.); (E.S.R.)
| | - Sergey A. Klotchenko
- Smorodintsev Research Institute of Influenza, Russian Ministry of Health, 196376 St. Petersburg, Russia; (S.A.K.); (E.S.R.)
| | - Edward S. Ramsay
- Smorodintsev Research Institute of Influenza, Russian Ministry of Health, 196376 St. Petersburg, Russia; (S.A.K.); (E.S.R.)
| | - Herman D. Moshkoff
- Russian Technological University (MIREA), 119454 Moscow, Russia;
- US Pharma Biotechnology, Inc., 5000 Thayer Center, Suite C, Oakland, MD 21550, USA
| | - Dmitry A. Moshkoff
- Peter the Great St. Petersburg Polytechnic University, 195251 St. Petersburg, Russia; (A.A.L.); (D.A.M.); (A.V.V.)
- Smorodintsev Research Institute of Influenza, Russian Ministry of Health, 196376 St. Petersburg, Russia; (S.A.K.); (E.S.R.)
- US Pharma Biotechnology, Inc., 5000 Thayer Center, Suite C, Oakland, MD 21550, USA
- Global Virus Network(GVN), 725 W Lombard St, Baltimore, MD 21201, USA
| | - Andrey V. Vasin
- Peter the Great St. Petersburg Polytechnic University, 195251 St. Petersburg, Russia; (A.A.L.); (D.A.M.); (A.V.V.)
- Smorodintsev Research Institute of Influenza, Russian Ministry of Health, 196376 St. Petersburg, Russia; (S.A.K.); (E.S.R.)
- Global Virus Network(GVN), 725 W Lombard St, Baltimore, MD 21201, USA
- St. Petersburg State Chemical-Pharmaceutical Academy, 197022 St. Petersburg, Russia
| | - Maria S. Salvato
- Global Virus Network(GVN), 725 W Lombard St, Baltimore, MD 21201, USA
- Institute of Human Virology, University of Maryland School of Medicine, Baltimore, MD 21201, USA
- Correspondence:
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Felgenhauer U, Schoen A, Gad HH, Hartmann R, Schaubmar AR, Failing K, Drosten C, Weber F. Inhibition of SARS-CoV-2 by type I and type III interferons. J Biol Chem 2020; 295:13958-13964. [PMID: 32587093 PMCID: PMC7549028 DOI: 10.1074/jbc.ac120.013788] [Citation(s) in RCA: 178] [Impact Index Per Article: 44.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2020] [Revised: 06/24/2020] [Indexed: 12/11/2022] Open
Abstract
The recently emerged severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2) is the causative agent of the devastating COVID-19 lung disease pandemic. Here, we tested the inhibitory activities of the antiviral interferons of type I (IFN-α) and type III (IFN-λ) against SARS-CoV-2 and compared them with those against SARS-CoV-1, which emerged in 2003. Using two mammalian epithelial cell lines (human Calu-3 and simian Vero E6), we found that both IFNs dose-dependently inhibit SARS-CoV-2. In contrast, SARS-CoV-1 was restricted only by IFN-α in these cell lines. SARS-CoV-2 generally exhibited a broader IFN sensitivity than SARS-CoV-1. Moreover, ruxolitinib, an inhibitor of IFN-triggered Janus kinase/signal transducer and activator of transcription signaling, boosted SARS-CoV-2 replication in the IFN-competent Calu-3 cells. We conclude that SARS-CoV-2 is sensitive to exogenously added IFNs. This finding suggests that type I and especially the less adverse effect-prone type III IFN are good candidates for the management of COVID-19.
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Affiliation(s)
- Ulrike Felgenhauer
- Institute for Virology, FB10-Veterinary Medicine, Justus Liebig University, Giessen, Germany
| | - Andreas Schoen
- Institute for Virology, FB10-Veterinary Medicine, Justus Liebig University, Giessen, Germany
| | - Hans Henrik Gad
- Department for Molecular Biology and Genetics, Aarhus University, Aarhus, Denmark
| | - Rune Hartmann
- Department for Molecular Biology and Genetics, Aarhus University, Aarhus, Denmark
| | - Andreas R Schaubmar
- Unit for Biomathematics and Data Processing, FB10-Veterinary Medicine, Justus Liebig University, Giessen, Germany
| | - Klaus Failing
- Unit for Biomathematics and Data Processing, FB10-Veterinary Medicine, Justus Liebig University, Giessen, Germany
| | - Christian Drosten
- German Centre for Infection Research (DZIF), partner sites Giessen and Charité Berlin, Germany
- Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Institute of Virology, Berlin, Germany
| | - Friedemann Weber
- Institute for Virology, FB10-Veterinary Medicine, Justus Liebig University, Giessen, Germany
- German Centre for Infection Research (DZIF), partner sites Giessen and Charité Berlin, Germany
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Lin P, Wang M, Wei Y, Kim T, Wei X. Coronavirus in human diseases: Mechanisms and advances in clinical treatment. MedComm (Beijing) 2020; 1:270-301. [PMID: 33173860 PMCID: PMC7646666 DOI: 10.1002/mco2.26] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2020] [Revised: 07/20/2020] [Accepted: 07/21/2020] [Indexed: 02/05/2023] Open
Abstract
Coronaviruses (CoVs), a subfamily of coronavirinae, are a panel of single-stranded RNA virus. Human coronavirus (HCoV) strains (HCoV-229E, HCoV-OC43, HCoV-HKU1, HCoV-NL63) usually cause mild upper respiratory diseases and are believed to be harmless. However, other HCoVs, associated with severe acute respiratory syndrome, Middle East respiratory syndrome, and COVID-19, have been identified as important pathogens due to their potent infectivity and lethality worldwide. Moreover, currently, no effective antiviral drugs treatments are available so far. In this review, we summarize the biological characters of HCoVs, their association with human diseases, and current therapeutic options for the three severe HCoVs. We also highlight the discussion about novel treatment strategies for HCoVs infections.
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Affiliation(s)
- Panpan Lin
- Laboratory of Aging Research and Cancer Drug Target State Key Laboratory of Biotherapy and Cancer Center National Clinical Research Center for Geriatrics West China Hospital Sichuan University Chengdu China
| | - Manni Wang
- Laboratory of Aging Research and Cancer Drug Target State Key Laboratory of Biotherapy and Cancer Center National Clinical Research Center for Geriatrics West China Hospital Sichuan University Chengdu China
| | - Yuquan Wei
- Laboratory of Aging Research and Cancer Drug Target State Key Laboratory of Biotherapy and Cancer Center National Clinical Research Center for Geriatrics West China Hospital Sichuan University Chengdu China
| | - Taewan Kim
- Wexner Medical Center The Ohio State University Columbus Ohio 43210 USA
| | - Xiawei Wei
- Laboratory of Aging Research and Cancer Drug Target State Key Laboratory of Biotherapy and Cancer Center National Clinical Research Center for Geriatrics West China Hospital Sichuan University Chengdu China
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O'Brien TR, Thomas DL, Jackson SS, Prokunina-Olsson L, Donnelly RP, Hartmann R. Weak Induction of Interferon Expression by Severe Acute Respiratory Syndrome Coronavirus 2 Supports Clinical Trials of Interferon-λ to Treat Early Coronavirus Disease 2019. Clin Infect Dis 2020; 71:1410-1412. [PMID: 32301957 PMCID: PMC7184357 DOI: 10.1093/cid/ciaa453] [Citation(s) in RCA: 77] [Impact Index Per Article: 19.3] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2020] [Accepted: 04/16/2020] [Indexed: 12/30/2022] Open
Affiliation(s)
- Thomas R O'Brien
- Infections and Immunoepidemiology Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute, National Institutes of Health, Bethesda, Maryland, USA
| | - David L Thomas
- Johns Hopkins University, School of Medicine, Baltimore, Maryland, USA
| | - Sarah S Jackson
- Infections and Immunoepidemiology Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute, National Institutes of Health, Bethesda, Maryland, USA
| | - Ludmila Prokunina-Olsson
- Laboratory of Translational Genomics, Division of Cancer Epidemiology and Genetics, National Cancer Institute, Bethesda, Maryland, USA
| | - Raymond P Donnelly
- Division of Biotechnology Research and Review II, Center for Drug Evaluation and Research, Food and Drug Administration, Silver Spring, Maryland, USA
| | - Rune Hartmann
- Department of Molecular Biology and Genetics, University of Aarhus, Aarhus, Denmark
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Rogan PK, Mucaki EJ, Shirley BC. A proposed molecular mechanism for pathogenesis of severe RNA-viral pulmonary infections. F1000Res 2020; 9:943. [PMID: 33299552 PMCID: PMC7676395 DOI: 10.12688/f1000research.25390.1] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 07/23/2020] [Indexed: 12/19/2022] Open
Abstract
Background: Certain riboviruses can cause severe pulmonary complications leading to death in some infected patients. We propose that DNA damage induced-apoptosis accelerates viral release, triggered by depletion of host RNA binding proteins (RBPs) from nuclear RNA bound to replicating viral sequences. Methods: Information theory-based analysis of interactions between RBPs and individual sequences in the Severe Acute Respiratory Syndrome CoronaVirus 2 (SARS-CoV-2), Influenza A (H3N1), HIV-1, and Dengue genomes identifies strong RBP binding sites in these viral genomes. Replication and expression of viral sequences is expected to increasingly sequester RBPs - SRSF1 and RNPS1. Ordinarily, RBPs bound to nascent host transcripts prevents their annealing to complementary DNA. Their depletion induces destabilizing R-loops. Chromosomal breakage occurs when an excess of unresolved R-loops collide with incoming replication forks, overwhelming the DNA repair machinery. We estimated stoichiometry of inhibition of RBPs in host nuclear RNA by counting competing binding sites in replicating viral genomes and host RNA. Results: Host RBP binding sites are frequent and conserved among different strains of RNA viral genomes. Similar binding motifs of SRSF1 and RNPS1 explain why DNA damage resulting from SRSF1 depletion is complemented by expression of RNPS1. Clustering of strong RBP binding sites coincides with the distribution of RNA-DNA hybridization sites across the genome. SARS-CoV-2 replication is estimated to require 32.5-41.8 hours to effectively compete for binding of an equal proportion of SRSF1 binding sites in host encoded nuclear RNAs. Significant changes in expression of transcripts encoding DNA repair and apoptotic proteins were found in an analysis of influenza A and Dengue-infected cells in some individuals. Conclusions: R-loop-induced apoptosis indirectly resulting from viral replication could release significant quantities of membrane-associated virions into neighboring alveoli. These could infect adjacent pneumocytes and other tissues, rapidly compromising lung function, causing multiorgan system failure and other described symptoms.
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Affiliation(s)
- Peter K. Rogan
- Biochemistry, University of Western Ontario, London, Ontario, N6A 2C8, Canada
- CytoGnomix Inc, London, Ontario, N5X 3X5, Canada
| | - Eliseos J. Mucaki
- Biochemistry, University of Western Ontario, London, Ontario, N6A 2C8, Canada
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Wong LYR, Ye ZW, Lui PY, Zheng X, Yuan S, Zhu L, Fung SY, Yuen KS, Siu KL, Yeung ML, Cai Z, Woo PCY, Yuen KY, Chan CP, Jin DY. Middle East Respiratory Syndrome Coronavirus ORF8b Accessory Protein Suppresses Type I IFN Expression by Impeding HSP70-Dependent Activation of IRF3 Kinase IKKε. THE JOURNAL OF IMMUNOLOGY 2020; 205:1564-1579. [PMID: 32747502 DOI: 10.4049/jimmunol.1901489] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/17/2019] [Accepted: 07/08/2020] [Indexed: 12/11/2022]
Abstract
Middle East respiratory syndrome coronavirus (MERS-CoV) is a highly pathogenic human coronavirus causing severe disease and mortality. MERS-CoV infection failed to elicit robust IFN response, suggesting that the virus might have evolved strategies to evade host innate immune surveillance. In this study, we identified and characterized type I IFN antagonism of MERS-CoV open reading frame (ORF) 8b accessory protein. ORF8b was abundantly expressed in MERS-CoV-infected Huh-7 cells. When ectopically expressed, ORF8b inhibited IRF3-mediated IFN-β expression induced by Sendai virus and poly(I:C). ORF8b was found to act at a step upstream of IRF3 to impede the interaction between IRF3 kinase IKKε and chaperone protein HSP70, which is required for the activation of IKKε and IRF3. An infection study using recombinant wild-type and ORF8b-deficient MERS-CoV further confirmed the suppressive role of ORF8b in type I IFN induction and its disruption of the colocalization of HSP70 with IKKε. Ectopic expression of HSP70 relieved suppression of IFN-β expression by ORF8b in an IKKε-dependent manner. Enhancement of IFN-β induction in cells infected with ORF8b-deficient virus was erased when HSP70 was depleted. Taken together, HSP70 chaperone is important for IKKε activation, and MERS-CoV ORF8b suppresses type I IFN expression by competing with IKKε for interaction with HSP70.
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Affiliation(s)
- Lok-Yin Roy Wong
- School of Biomedical Sciences, The University of Hong Kong, Pokfulam, Hong Kong
| | - Zi-Wei Ye
- State Key Laboratory of Emerging Infectious Diseases, Department of Microbiology, The University of Hong Kong, Pokfulam, Hong Kong; and
| | - Pak-Yin Lui
- School of Biomedical Sciences, The University of Hong Kong, Pokfulam, Hong Kong
| | - Xuyang Zheng
- School of Biomedical Sciences, The University of Hong Kong, Pokfulam, Hong Kong
| | - Shuofeng Yuan
- State Key Laboratory of Emerging Infectious Diseases, Department of Microbiology, The University of Hong Kong, Pokfulam, Hong Kong; and
| | - Lin Zhu
- State Key Laboratory of Environmental and Biological Analysis, Department of Chemistry, Hong Kong Baptist University, Kowloon Tong, Hong Kong
| | - Sin-Yee Fung
- School of Biomedical Sciences, The University of Hong Kong, Pokfulam, Hong Kong
| | - Kit-San Yuen
- School of Biomedical Sciences, The University of Hong Kong, Pokfulam, Hong Kong
| | - Kam-Leung Siu
- School of Biomedical Sciences, The University of Hong Kong, Pokfulam, Hong Kong
| | - Man-Lung Yeung
- State Key Laboratory of Emerging Infectious Diseases, Department of Microbiology, The University of Hong Kong, Pokfulam, Hong Kong; and
| | - Zongwei Cai
- State Key Laboratory of Environmental and Biological Analysis, Department of Chemistry, Hong Kong Baptist University, Kowloon Tong, Hong Kong
| | - Patrick Chiu-Yat Woo
- State Key Laboratory of Emerging Infectious Diseases, Department of Microbiology, The University of Hong Kong, Pokfulam, Hong Kong; and
| | - Kwok-Yung Yuen
- State Key Laboratory of Emerging Infectious Diseases, Department of Microbiology, The University of Hong Kong, Pokfulam, Hong Kong; and
| | - Chi-Ping Chan
- School of Biomedical Sciences, The University of Hong Kong, Pokfulam, Hong Kong;
| | - Dong-Yan Jin
- School of Biomedical Sciences, The University of Hong Kong, Pokfulam, Hong Kong;
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Hui KPY, Cheung MC, Perera RAPM, Ng KC, Bui CHT, Ho JCW, Ng MMT, Kuok DIT, Shih KC, Tsao SW, Poon LLM, Peiris M, Nicholls JM, Chan MCW. Tropism, replication competence, and innate immune responses of the coronavirus SARS-CoV-2 in human respiratory tract and conjunctiva: an analysis in ex-vivo and in-vitro cultures. THE LANCET. RESPIRATORY MEDICINE 2020; 8:687-695. [PMID: 32386571 PMCID: PMC7252187 DOI: 10.1016/s2213-2600(20)30193-4] [Citation(s) in RCA: 369] [Impact Index Per Article: 92.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/10/2020] [Revised: 04/20/2020] [Accepted: 04/21/2020] [Indexed: 12/15/2022]
Abstract
BACKGROUND Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) emerged in December 2019, causing a respiratory disease (coronavirus disease 2019, COVID-19) of varying severity in Wuhan, China, and subsequently leading to a pandemic. The transmissibility and pathogenesis of SARS-CoV-2 remain poorly understood. We evaluate its tissue and cellular tropism in human respiratory tract, conjunctiva, and innate immune responses in comparison with other coronavirus and influenza virus to provide insights into COVID-19 pathogenesis. METHODS We isolated SARS-CoV-2 from a patient with confirmed COVID-19, and compared virus tropism and replication competence with SARS-CoV, Middle East respiratory syndrome-associated coronavirus (MERS-CoV), and 2009 pandemic influenza H1N1 (H1N1pdm) in ex-vivo cultures of human bronchus (n=5) and lung (n=4). We assessed extrapulmonary infection using ex-vivo cultures of human conjunctiva (n=3) and in-vitro cultures of human colorectal adenocarcinoma cell lines. Innate immune responses and angiotensin-converting enzyme 2 expression were investigated in human alveolar epithelial cells and macrophages. In-vitro studies included the highly pathogenic avian influenza H5N1 virus (H5N1) and mock-infected cells as controls. FINDINGS SARS-CoV-2 infected ciliated, mucus-secreting, and club cells of bronchial epithelium, type 1 pneumocytes in the lung, and the conjunctival mucosa. In the bronchus, SARS-CoV-2 replication competence was similar to MERS-CoV, and higher than SARS-CoV, but lower than H1N1pdm. In the lung, SARS-CoV-2 replication was similar to SARS-CoV and H1N1pdm, but was lower than MERS-CoV. In conjunctiva, SARS-CoV-2 replication was greater than SARS-CoV. SARS-CoV-2 was a less potent inducer of proinflammatory cytokines than H5N1, H1N1pdm, or MERS-CoV. INTERPRETATION The conjunctival epithelium and conducting airways appear to be potential portals of infection for SARS-CoV-2. Both SARS-CoV and SARS-CoV-2 replicated similarly in the alveolar epithelium; SARS-CoV-2 replicated more extensively in the bronchus than SARS-CoV. These findings provide important insights into the transmissibility and pathogenesis of SARS-CoV-2 infection and differences with other respiratory pathogens. FUNDING US National Institute of Allergy and Infectious Diseases, University Grants Committee of Hong Kong Special Administrative Region, China; Health and Medical Research Fund, Food and Health Bureau, Government of Hong Kong Special Administrative Region, China.
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Affiliation(s)
- Kenrie P Y Hui
- School of Public Health, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Pokfulam, Special Administrative Region of Hong Kong, China
| | - Man-Chun Cheung
- School of Public Health, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Pokfulam, Special Administrative Region of Hong Kong, China
| | - Ranawaka A P M Perera
- School of Public Health, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Pokfulam, Special Administrative Region of Hong Kong, China
| | - Ka-Chun Ng
- School of Public Health, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Pokfulam, Special Administrative Region of Hong Kong, China
| | - Christine H T Bui
- School of Public Health, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Pokfulam, Special Administrative Region of Hong Kong, China
| | - John C W Ho
- School of Public Health, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Pokfulam, Special Administrative Region of Hong Kong, China
| | - Mandy M T Ng
- School of Public Health, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Pokfulam, Special Administrative Region of Hong Kong, China
| | - Denise I T Kuok
- School of Public Health, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Pokfulam, Special Administrative Region of Hong Kong, China
| | - Kendrick C Shih
- Department of Ophthalmology, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Pokfulam, Special Administrative Region of Hong Kong, China
| | - Sai-Wah Tsao
- School of Biomedical Science, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Pokfulam, Special Administrative Region of Hong Kong, China
| | - Leo L M Poon
- School of Public Health, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Pokfulam, Special Administrative Region of Hong Kong, China
| | - Malik Peiris
- School of Public Health, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Pokfulam, Special Administrative Region of Hong Kong, China
| | - John M Nicholls
- School of Public Health, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Pokfulam, Special Administrative Region of Hong Kong, China; Department of Pathology, Queen Mary Hospital, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Pokfulam, Special Administrative Region of Hong Kong, China
| | - Michael C W Chan
- School of Public Health, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Pokfulam, Special Administrative Region of Hong Kong, China.
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Abstract
The severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2) is responsible for the current COVID-19 pandemic. An unbalanced immune response, characterized by a weak production of type I interferons (IFN-Is) and an exacerbated release of proinflammatory cytokines, contributes to the severe forms of the disease. SARS-CoV-2 is genetically related to SARS-CoV and Middle East respiratory syndrome-related coronavirus (MERS-CoV), which caused outbreaks in 2003 and 2013, respectively. Although IFN treatment gave some encouraging results against SARS-CoV and MERS-CoV in animal models, its potential as a therapeutic against COVID-19 awaits validation. Here, we describe our current knowledge of the complex interplay between SARS-CoV-2 infection and the IFN system, highlighting some of the gaps that need to be filled for a better understanding of the underlying molecular mechanisms. In addition to the conserved IFN evasion strategies that are likely shared with SARS-CoV and MERS-CoV, novel counteraction mechanisms are being discovered in SARS-CoV-2-infected cells. Since the last coronavirus epidemic, we have made considerable progress in understanding the IFN-I response, including its spatiotemporal regulation and the prominent role of plasmacytoid dendritic cells (pDCs), which are the main IFN-I-producing cells. While awaiting the results of the many clinical trials that are evaluating the efficacy of IFN-I alone or in combination with antiviral molecules, we discuss the potential benefits of a well-timed IFN-I treatment and propose strategies to boost pDC-mediated IFN responses during the early stages of viral infection.
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Affiliation(s)
- Margarida Sa Ribero
- CIRI, Inserm, U1111, Université Claude Bernard Lyon 1, CNRS, École Normale Supérieure de Lyon, Univ Lyon, Lyon, France
| | | | - Marlène Dreux
- CIRI, Inserm, U1111, Université Claude Bernard Lyon 1, CNRS, École Normale Supérieure de Lyon, Univ Lyon, Lyon, France
| | - Sébastien Nisole
- IRIM, CNRS UMR9004, Université de Montpellier, Montpellier, France
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Chang CY, Liu HM, Chang MF, Chang SC. Middle East Respiratory Syndrome Coronavirus Nucleocapsid Protein Suppresses Type I and Type III Interferon Induction by Targeting RIG-I Signaling. J Virol 2020; 94:e00099-20. [PMID: 32295922 PMCID: PMC7307178 DOI: 10.1128/jvi.00099-20] [Citation(s) in RCA: 51] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2020] [Accepted: 04/09/2020] [Indexed: 12/20/2022] Open
Abstract
Type I and type III interferons (IFNs) are the frontline of antiviral defense mechanisms that trigger hundreds of downstream antiviral genes. In this study, we observed that MERS-CoV nucleocapsid (N) protein suppresses type I and type III IFN gene expression. The N protein suppresses Sendai virus-induced IFN-β and IFN-λ1 by reducing their promoter activity and mRNA levels, as well as downstream IFN-stimulated genes (ISGs). Retinoic acid-inducible gene I (RIG-I) is known to recognize viral RNA and induce IFN expression through tripartite motif-containing protein 25 (TRIM25)-mediated ubiquitination of RIG-I caspase activation and recruitment domains (CARDs). We discovered that MERS-CoV N protein suppresses RIG-I-CARD-induced, but not MDA5-CARD-induced, IFN-β and IFN-λ1 promoter activity. By interacting with TRIM25, N protein impedes RIG-I ubiquitination and activation and inhibits the phosphorylation of transcription factors IFN-regulatory factor 3 (IRF3) and NF-κB that are known to be important for IFN gene activation. By employing a recombinant Sindbis virus-EGFP replication system, we showed that viral N protein downregulated the production of not only IFN mRNA but also bioactive IFN proteins. Taken together, MERS-CoV N protein functions as an IFN antagonist. It suppresses RIG-I-induced type I and type III IFN production by interfering with TRIM25-mediated RIG-I ubiquitination. Our study sheds light on the pathogenic mechanism of how MERS-CoV causes disease.IMPORTANCE MERS-CoV causes death of about 35% of patients. Published studies showed that some coronaviruses are capable of suppressing interferon (IFN) expression in the early phase of infection and MERS-CoV proteins can modulate host immune response. In this study, we demonstrated that MERS-CoV nucleocapsid (N) protein suppresses the production of both type I and type III IFNs via sequestering TRIM25, an E3 ubiquitin ligase that is essential for activating the RIG-I signaling pathway. Ectopic expression of TRIM25 rescues the suppressive effect of the N protein. In addition, the C-terminal domain of the viral N protein plays a pivotal role in the suppression of IFN-β promoter activity. Our findings reveal how MERS-CoV evades innate immunity and provide insights into the interplay between host immune response and viral pathogenicity.
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Affiliation(s)
- Chi-You Chang
- Institute of Microbiology, National Taiwan University College of Medicine, Taipei, Taiwan
| | - Helene Minyi Liu
- Institute of Biochemistry and Molecular Biology, National Taiwan University College of Medicine, Taipei, Taiwan
| | - Ming-Fu Chang
- Institute of Biochemistry and Molecular Biology, National Taiwan University College of Medicine, Taipei, Taiwan
| | - Shin C Chang
- Institute of Microbiology, National Taiwan University College of Medicine, Taipei, Taiwan
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Natoli S, Oliveira V, Calabresi P, Maia LF, Pisani A. Does SARS-Cov-2 invade the brain? Translational lessons from animal models. Eur J Neurol 2020; 27:1764-1773. [PMID: 32333487 PMCID: PMC7267377 DOI: 10.1111/ene.14277] [Citation(s) in RCA: 184] [Impact Index Per Article: 46.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2020] [Revised: 04/19/2020] [Accepted: 04/20/2020] [Indexed: 12/16/2022]
Abstract
The current coronavirus disease (COVID‐19) outbreak, caused by the novel severe acute respiratory syndrome coronavirus 2 (SARS‐CoV‐2), has raised the possibility of potential neurotropic properties of this virus. Indeed, neurological sequelae of SARS‐CoV‐2 infection have already been reported and highlight the relevance of considering the neurological impact of coronavirus (CoV) from a translational perspective. Animal models of SARS and Middle East respiratory syndrome, caused by structurally similar CoVs during the 2002 and 2012 epidemics, have provided valuable data on nervous system involvement by CoVs and the potential for central nervous system spread of SARS‐CoV‐2. One key finding that may unify these pathogens is that all require angiotensin‐converting enzyme 2 as a cell entry receptor. The CoV spike glycoprotein, by which SARS‐CoV‐2 binds to cell membranes, binds angiotensin‐converting enzyme 2 with a higher affinity compared with SARS‐CoV. The expression of this receptor in neurons and endothelial cells hints that SARS‐CoV‐2 may have higher neuroinvasive potential compared with previous CoVs. However, it remains to be determined how such invasiveness might contribute to respiratory failure or cause direct neurological damage. Both direct and indirect mechanisms may be of relevance. Clinical heterogeneity potentially driven by differential host immune‐mediated responses will require extensive investigation. Development of disease models to anticipate emerging neurological complications and to explore mechanisms of direct or immune‐mediated pathogenicity in the short and medium term is therefore of great importance. In this brief review, we describe the current knowledge from models of previous CoV infections and discuss their potential relevance to COVID‐19.
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Affiliation(s)
- S Natoli
- Department of Clinical Science and Translational Medicine, University of Rome Tor Vergata, Rome, Italy
| | - V Oliveira
- Department of Neurology, Centro Hospitalar Universitário do Porto, Porto, Portugal
| | - P Calabresi
- Neurologia, Fondazione Policlinico Universitario Agostino Gemelli, IRCCS, Rome, Italy
| | - L F Maia
- Department of Neurology, Centro Hospitalar Universitário do Porto, Porto, Portugal.,Instituto de Investigação e Inovação em Saúde (i3S), Universidade do Porto, Porto, Portugal
| | - A Pisani
- Department of Systems Medicine, University of Rome Tor Vergata, Rome, Italy.,IRCCS Fondazione Santa Lucia, Rome, Italy
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Ababneh M, Alrwashdeh M, Khalifeh M. Recombinant adenoviral vaccine encoding the spike 1 subunit of the Middle East Respiratory Syndrome Coronavirus elicits strong humoral and cellular immune responses in mice. Vet World 2019; 12:1554-1562. [PMID: 31849416 PMCID: PMC6868266 DOI: 10.14202/vetworld.2019.1554-1562] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2019] [Accepted: 08/26/2019] [Indexed: 01/05/2023] Open
Abstract
Background and Aim Middle East respiratory syndrome coronavirus (MERS-CoV) has rapidly spread throughout the Middle East since its discovery in 2012. The virus poses a significant global public health threat with potentially devastating effects. In this study, a recombinant adenoviral-based vaccine encoding the spike 1 (S1) subunit of the MERS-CoV genome was constructed, and its humoral, and cellular immune responses were evaluated in mice. Materials and Methods Mice were immunized initially by intramuscular injection and boosted 3 weeks later by intranasal application. Expression of the S1 protein in the lungs and kidneys was detected using conventional polymerase chain reaction (PCR) and immunohistochemistry (IHC) targeting specific regions within the S1 subunit at weeks 3, 4, 5, and 6 after the first vaccination. Antigen-specific humoral and cellular immune responses were evaluated in serum and in cell culture following in vitro stimulation with a specific 9-mer epitope within the S1 protein (CYSSLILDY). Results S1 protein expression was only detected by IHC in the kidneys of the Ad-MERS-S1 group at week 6 from first immunization, and in both lungs and kidneys of Ad-MERS-S1 group by conventional PCR at weeks 3 and 5 post-prime. The vaccine elicited a specific S1-immunoglobulin G antibody response, which was detected in the sera of the vaccinated mice at weeks 4 and 6 from the onset of the first immunization. There was a significant increase in the amount of Th1-related cytokines (interferon-γ and interleukin [IL] 12), and a significant decrease in the Th2-related cytokine IL-4 in splenocyte cell culture of the vaccinated group compared with the control groups. Conclusion The results of this study suggest that this recombinant adenovirus vaccine encoding the S1 subunit of MERS-CoV elicits potentially protective antigen-specific humoral and cellular immune responses in mice. This study demonstrates a promising vaccine for the control and/or prevention of MERS-CoV infection in humans.
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Affiliation(s)
- Mustafa Ababneh
- Department of Basic Medical Veterinary Sciences, Jordan University of Science and Technology, P.O. Box 3030, Irbid 22110, Jordan
| | - Mu'men Alrwashdeh
- Department of Basic Medical Veterinary Sciences, Jordan University of Science and Technology, P.O. Box 3030, Irbid 22110, Jordan
| | - Mohammad Khalifeh
- Department of Basic Medical Veterinary Sciences, Jordan University of Science and Technology, P.O. Box 3030, Irbid 22110, Jordan
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Replication kinetics and cellular tropism of emerging reoviruses in sheep and swine respiratory ex vivo organ cultures. Vet Microbiol 2019; 234:119-127. [PMID: 31213267 DOI: 10.1016/j.vetmic.2019.06.001] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2019] [Revised: 05/23/2019] [Accepted: 06/03/2019] [Indexed: 01/06/2023]
Abstract
Ex vivo organ cultures (EVOCs) are extensively used to study the cellular tropism and infectivity of different pathogens. In this study, we used ovine and porcine respiratory EVOCs to investigate the replication kinetics and cellular tropism of selected emerging reoviruses namely Pteropine orthoreovirus, an emerging bat-borne zoonotic respiratory virus, and atypical Bluetongue virus (BTV) serotypes which, unlike classical serotypes, do not cause Bluetongue, a major OIE-listed disease of ruminants. BTV failed to replicate in ovine EVOCs. Instead, PRV showed slight replication in porcine lower respiratory EVOCs and a more sustained replication in all ovine respiratory tissues. By confocal laser scanning microscopy, PRV was demonstrated to infect bronchiolar and type I pneumocytes of ovine tissues. Overall, respiratory EVOCs from different animal species, eventually obtained at slaughterhouse, are a useful tool for testing and preliminarily characterize novel and emerging viruses addressing the essential in vivo animal work. Further experiments are, indeed, warranted in order to characterize the pathogenesis and transmission of these emerging reoviruses.
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Choudhry H, Bakhrebah MA, Abdulaal WH, Zamzami MA, Baothman OA, Hassan MA, Zeyadi M, Helmi N, Alzahrani F, Ali A, Zakaria MK, Kamal MA, Warsi MK, Ahmed F, Rasool M, Jamal MS. Middle East respiratory syndrome: pathogenesis and therapeutic developments. Future Virol 2019; 14:237-246. [PMID: 32201499 PMCID: PMC7080179 DOI: 10.2217/fvl-2018-0201] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2018] [Accepted: 03/15/2019] [Indexed: 12/13/2022]
Abstract
The first case of Middle East respiratory syndrome coronavirus (MERS-CoV) was identified in the year 2012, which spread rapidly and increased to more than 2200 in 2018. This highly pathogenic virus with high mortality rate is among one of the major public health concerns. Saudi Arabia remains to be the most affected region with the majority of MERS-CoV cases, and currently, no effective drugs and vaccines are available for prevention and treatment. A large amount of information is now available regarding the virus, its structure, route of transmission and its pathophysiology. Therefore, this review summarizes the current understanding of MERS-CoV's pathogenesis, treatment options and recent scientific advancements in vaccine and other therapeutic developments, and the major steps taken for MERS prevention control.
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Affiliation(s)
- Hani Choudhry
- Department of Biochemistry, Cancer Metabolism & Epigenetic Unit, Faculty of Science, Cancer & Mutagenesis Unit, King Fahd Medical Research Center, King Abdulaziz University, Jeddah 21589, Saudi Arabia.,Department of Biochemistry, Cancer Metabolism & Epigenetic Unit, Faculty of Science, Cancer & Mutagenesis Unit, King Fahd Medical Research Center, King Abdulaziz University, Jeddah 21589, Saudi Arabia
| | - Muhammed A Bakhrebah
- Life Science & environment Research Institute, National Center for Genome Technology, King Abdulaziz City for Science and Technology (KACST), Riyadh 12371, Saudi Arabia.,Life Science & environment Research Institute, National Center for Genome Technology, King Abdulaziz City for Science and Technology (KACST), Riyadh 12371, Saudi Arabia
| | - Wesam H Abdulaal
- Department of Biochemistry, Cancer Metabolism & Epigenetic Unit, Faculty of Science, Cancer & Mutagenesis Unit, King Fahd Medical Research Center, King Abdulaziz University, Jeddah 21589, Saudi Arabia.,Department of Biochemistry, Cancer Metabolism & Epigenetic Unit, Faculty of Science, Cancer & Mutagenesis Unit, King Fahd Medical Research Center, King Abdulaziz University, Jeddah 21589, Saudi Arabia
| | - Mazin A Zamzami
- Department of Biochemistry, Cancer Metabolism & Epigenetic Unit, Faculty of Science, Cancer & Mutagenesis Unit, King Fahd Medical Research Center, King Abdulaziz University, Jeddah 21589, Saudi Arabia.,Department of Biochemistry, Cancer Metabolism & Epigenetic Unit, Faculty of Science, Cancer & Mutagenesis Unit, King Fahd Medical Research Center, King Abdulaziz University, Jeddah 21589, Saudi Arabia
| | - Othman A Baothman
- Department of Biochemistry, Cancer Metabolism & Epigenetic Unit, Faculty of Science, Cancer & Mutagenesis Unit, King Fahd Medical Research Center, King Abdulaziz University, Jeddah 21589, Saudi Arabia.,Department of Biochemistry, Cancer Metabolism & Epigenetic Unit, Faculty of Science, Cancer & Mutagenesis Unit, King Fahd Medical Research Center, King Abdulaziz University, Jeddah 21589, Saudi Arabia
| | - Mohammed A Hassan
- Department of Biochemistry, Cancer Metabolism & Epigenetic Unit, Faculty of Science, Cancer & Mutagenesis Unit, King Fahd Medical Research Center, King Abdulaziz University, Jeddah 21589, Saudi Arabia.,Department of Basic Medical Sciences, College of Medicine & Health Sciences, Hadhramout University, Yemen.,Department of Biochemistry, Cancer Metabolism & Epigenetic Unit, Faculty of Science, Cancer & Mutagenesis Unit, King Fahd Medical Research Center, King Abdulaziz University, Jeddah 21589, Saudi Arabia.,Department of Basic Medical Sciences, College of Medicine & Health Sciences, Hadhramout University, Yemen
| | - Mustafa Zeyadi
- Department of Biochemistry, Cancer Metabolism & Epigenetic Unit, Faculty of Science, Cancer & Mutagenesis Unit, King Fahd Medical Research Center, King Abdulaziz University, Jeddah 21589, Saudi Arabia.,Department of Biochemistry, Cancer Metabolism & Epigenetic Unit, Faculty of Science, Cancer & Mutagenesis Unit, King Fahd Medical Research Center, King Abdulaziz University, Jeddah 21589, Saudi Arabia
| | - Nawal Helmi
- Department of Biochemistry, Cancer Metabolism & Epigenetic Unit, Faculty of Science, Cancer & Mutagenesis Unit, King Fahd Medical Research Center, King Abdulaziz University, Jeddah 21589, Saudi Arabia.,Department of Biochemistry, Cancer Metabolism & Epigenetic Unit, Faculty of Science, Cancer & Mutagenesis Unit, King Fahd Medical Research Center, King Abdulaziz University, Jeddah 21589, Saudi Arabia
| | - Faisal Alzahrani
- Hematology Lab Unit, King Fahd Medical Research Center, King Abdulaziz University, Jeddah 21589, Saudi Arabia.,Department of Medical Laboratory Technology, Faculty of Applied Medical Sciences, King Abdulaziz University, Jeddah 21589, Saudi Arabia.,Hematology Lab Unit, King Fahd Medical Research Center, King Abdulaziz University, Jeddah 21589, Saudi Arabia.,Department of Medical Laboratory Technology, Faculty of Applied Medical Sciences, King Abdulaziz University, Jeddah 21589, Saudi Arabia
| | - Ashraf Ali
- Hematology Lab Unit, King Fahd Medical Research Center, King Abdulaziz University, Jeddah 21589, Saudi Arabia.,Department of Medical Laboratory Technology, Faculty of Applied Medical Sciences, King Abdulaziz University, Jeddah 21589, Saudi Arabia.,Department of Science of Agriculture, Food and Environment (SAFE), University of Foggia, Via Napoli, 25 - 71122, Foggia, Italy.,Hematology Lab Unit, King Fahd Medical Research Center, King Abdulaziz University, Jeddah 21589, Saudi Arabia.,Department of Medical Laboratory Technology, Faculty of Applied Medical Sciences, King Abdulaziz University, Jeddah 21589, Saudi Arabia.,Department of Science of Agriculture, Food and Environment (SAFE), University of Foggia, Via Napoli, 25 - 71122, Foggia, Italy
| | - Mohammad Khalid Zakaria
- The Pirbright Institute, Ash Road, GU240NF, Surrey, United Kingdom.,The Pirbright Institute, Ash Road, GU240NF, Surrey, United Kingdom
| | - Mohammad Azhar Kamal
- Department of Biochemistry, University of Jeddah, Jeddah 23890, Saudi Arabia.,Department of Biochemistry, University of Jeddah, Jeddah 23890, Saudi Arabia
| | - Mohiuddin Khan Warsi
- The Pirbright Institute, Ash Road, GU240NF, Surrey, United Kingdom.,The Pirbright Institute, Ash Road, GU240NF, Surrey, United Kingdom
| | - Firoz Ahmed
- The Pirbright Institute, Ash Road, GU240NF, Surrey, United Kingdom.,The Pirbright Institute, Ash Road, GU240NF, Surrey, United Kingdom
| | - Mahmood Rasool
- Center of Excellence in Genomic Medicine Research, King Abdulaziz University, Jeddah 21589, Saudi Arabia.,Center of Excellence in Genomic Medicine Research, King Abdulaziz University, Jeddah 21589, Saudi Arabia
| | - Mohammad Sarwar Jamal
- Hematology Lab Unit, King Fahd Medical Research Center, King Abdulaziz University, Jeddah 21589, Saudi Arabia.,Department of Medical Laboratory Technology, Faculty of Applied Medical Sciences, King Abdulaziz University, Jeddah 21589, Saudi Arabia.,Hematology Lab Unit, King Fahd Medical Research Center, King Abdulaziz University, Jeddah 21589, Saudi Arabia.,Department of Medical Laboratory Technology, Faculty of Applied Medical Sciences, King Abdulaziz University, Jeddah 21589, Saudi Arabia
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Middle East Respiratory Syndrome Coronavirus (MERS-CoV): Infection, Immunological Response, and Vaccine Development. J Immunol Res 2019; 2019:6491738. [PMID: 31089478 PMCID: PMC6476043 DOI: 10.1155/2019/6491738] [Citation(s) in RCA: 136] [Impact Index Per Article: 27.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2018] [Revised: 02/20/2019] [Accepted: 02/20/2019] [Indexed: 02/06/2023] Open
Abstract
Middle East respiratory syndrome coronavirus (MERS-CoV) first emerged in late 2012. Since its emergence, a total of 2279 patients from 27 countries have been infected across the globe according to a World Health Organization (WHO) report (Feb. 12th, 2019). Approximately 806 patients have died. The virus uses its spike proteins as adhesive factors that are proinflammatory for host entry through a specific receptor called dipeptidyl peptidase-4 (DPP4). This receptor is considered a key factor in the signaling and activation of the acquired and innate immune responses in infected patients. Using potent antigens in combination with strong adjuvants may effectively trigger the activation of specific MERS-CoV cellular responses as well as the production of neutralizing antibodies. Unfortunately, to date, there is no effective approved treatment or vaccine for MERS-CoV. Thus, there are urgent needs for the development of novel MERS-CoV therapies as well as vaccines to help minimize the spread of the virus from infected patients, thereby mitigating the risk of any potential pandemics. Our main goals are to highlight and describe the current knowledge of both the innate and adaptive immune responses to MERS-CoV and the current state of MERS-CoV vaccine development. We believe this study will increase our understanding of the mechanisms that enhance the MERS-CoV immune response and subsequently contribute to the control of MERS-CoV infections.
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