1
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de Jong HK, Grobusch MP. Monoclonal antibody applications in travel medicine. Trop Dis Travel Med Vaccines 2024; 10:2. [PMID: 38221606 PMCID: PMC10789029 DOI: 10.1186/s40794-023-00212-x] [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: 11/06/2023] [Accepted: 11/21/2023] [Indexed: 01/16/2024] Open
Abstract
For decades, immunoglobulin preparations have been used to prevent or treat infectious diseases. Since only a few years, monoclonal antibody applications (mAbs) are taking flight and are increasingly dominating this field. In 2014, only two mAbs were registered; end of October 2023, more than ten mAbs are registered or have been granted emergency use authorization, and many more are in (pre)clinical phases. Especially the COVID-19 pandemic has generated this surge in licensed monoclonal antibodies, although multiple phase 1 studies were already underway in 2019 for other infectious diseases such as malaria and yellow fever. Monoclonal antibodies could function as prophylaxis (i.e., for the prevention of malaria), or could be used to treat (tropical) infections (i.e., rabies, dengue fever, yellow fever). This review focuses on the discussion of the prospects of, and obstacles for, using mAbs in the prevention and treatment of (tropical) infectious diseases seen in the returning traveler; and provides an update on the mAbs currently being developed for infectious diseases, which could potentially be of interest for travelers.
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Affiliation(s)
- Hanna K de Jong
- Centre of Tropical Medicine and Travel Medicine, Department of Infectious Diseases, Amsterdam University Medical Centers, Location AMC, Amsterdam Infection and Immunity, Amsterdam Public Health, University of Amsterdam, Meibergdreef 9, 1105 AZ, Amsterdam, The Netherlands.
| | - Martin P Grobusch
- Centre of Tropical Medicine and Travel Medicine, Department of Infectious Diseases, Amsterdam University Medical Centers, Location AMC, Amsterdam Infection and Immunity, Amsterdam Public Health, University of Amsterdam, Meibergdreef 9, 1105 AZ, Amsterdam, The Netherlands
- Institute of Tropical Medicine & Deutsches Zentrum Für Infektionsforschung, University of Tübingen, Tübingen, Germany
- Centre de Recherches Médicales, (CERMEL), Lambaréné, Gabon
- Masanga Medical Research Unit (MMRU), Masanga, Sierra Leone
- Institute of Infectious Disease and Molecular Medicine, University of Cape Town, Cape Town, South Africa
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2
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Soni M, Tulsian K, Barot P, Vyas VK. Recent Advances in Therapeutic Approaches Against Ebola Virus Infection. RECENT ADVANCES IN ANTI-INFECTIVE DRUG DISCOVERY 2024; 19:276-299. [PMID: 38279760 DOI: 10.2174/0127724344267452231206061944] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/15/2023] [Revised: 11/01/2023] [Accepted: 11/14/2023] [Indexed: 01/28/2024]
Abstract
BACKGROUND Ebola virus (EBOV) is a genus of negative-strand RNA viruses belonging to the family Filoviradae that was first described in 1976 in the present-day Democratic Republic of the Congo. It has intermittently affected substantial human populations in West Africa and presents itself as a global health menace due to the high mortality rate of patients, high transmission rate, difficult patient management, and the emergence of complicated autoimmune disease-like conditions post-infection. OBJECTIVE EBOV or other EBOV-like species as a biochemical weapon pose a significant risk; hence, the need to develop both prophylactic and therapeutic medications to combat the virus is unquestionable. METHODS In this review work, we have compiled the literature pertaining to transmission, pathogenesis, immune response, and diagnosis of EBOV infection. We included detailed structural details of EBOV along with all the available therapeutics against EBOV disease. We have also highlighted current developments and recent advances in therapeutic approaches against Ebola virus disease (EVD). DISCUSSION The development of preventive vaccines against the virus is proving to be a successful effort as of now; however, problems concerning logistics, product stability, multi- dosing, and patient tracking are prominent in West Africa. Monoclonal antibodies that target EBOV proteins have also been developed and approved in the clinic; however, no small drug molecules that target these viral proteins have cleared clinical trials. An understanding of clinically approved vaccines and their shortcomings also serves an important purpose for researchers in vaccine design in choosing the right vector, antigen, and particular physicochemical properties that are critical for the vaccine's success against the virus across the world. CONCLUSION Our work brings together a comprehensive review of all available prophylactic and therapeutic medications developed and under development against the EBOV, which will serve as a guide for researchers in pursuing the most promising drug discovery strategies against the EBOV and also explore novel mechanisms of fighting against EBOV infection.
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Affiliation(s)
- Molisha Soni
- Department of Pharmacology, Institute of Pharmacy, Nirma University, Ahmedabad, Gujarat, India
| | - Kartik Tulsian
- Institute of Pharmacy, Nirma University, Ahmedabad, Gujarat, India
| | - Parv Barot
- Institute of Pharmacy, Nirma University, Ahmedabad, Gujarat, India
| | - Vivek Kumar Vyas
- Department of Pharmaceutical Chemistry, Institute of Pharmacy, Nirma University, Ahmedabad, Gujarat, India
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3
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Bao M, Waitkus J, Liu L, Chang Y, Xu Z, Qin P, Chen J, Du K. Micro- and nanosystems for the detection of hemorrhagic fever viruses. LAB ON A CHIP 2023; 23:4173-4200. [PMID: 37675935 DOI: 10.1039/d3lc00482a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/08/2023]
Abstract
Hemorrhagic fever viruses (HFVs) are virulent pathogens that can cause severe and often fatal illnesses in humans. Timely and accurate detection of HFVs is critical for effective disease management and prevention. In recent years, micro- and nano-technologies have emerged as promising approaches for the detection of HFVs. This paper provides an overview of the current state-of-the-art systems for micro- and nano-scale approaches to detect HFVs. It covers various aspects of these technologies, including the principles behind their sensing assays, as well as the different types of diagnostic strategies that have been developed. This paper also explores future possibilities of employing micro- and nano-systems for the development of HFV diagnostic tools that meet the practical demands of clinical settings.
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Affiliation(s)
- Mengdi Bao
- Department of Chemical and Environmental Engineering, University of California, Riverside, CA, USA.
| | - Jacob Waitkus
- Department of Chemical and Environmental Engineering, University of California, Riverside, CA, USA.
| | - Li Liu
- Department of Chemical and Environmental Engineering, University of California, Riverside, CA, USA.
| | - Yu Chang
- Department of Chemical and Environmental Engineering, University of California, Riverside, CA, USA.
| | - Zhiheng Xu
- Department of Industrial Engineering, Rochester Institute of Technology, Rochester, NY, USA
| | - Peiwu Qin
- Institute of Biopharmaceutical and Health Engineering, Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen, China
| | - Juhong Chen
- Department of Biological Systems Engineering, Virginia Tech, Blacksburg, VA, USA
| | - Ke Du
- Department of Chemical and Environmental Engineering, University of California, Riverside, CA, USA.
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Almagro JC, Mellado-Sánchez G, Pedraza-Escalona M, Pérez-Tapia SM. Evolution of Anti-SARS-CoV-2 Therapeutic Antibodies. Int J Mol Sci 2022; 23:ijms23179763. [PMID: 36077159 PMCID: PMC9456190 DOI: 10.3390/ijms23179763] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2022] [Revised: 08/20/2022] [Accepted: 08/25/2022] [Indexed: 01/17/2023] Open
Abstract
Since the first COVID-19 reports back in December of 2019, this viral infection caused by SARS-CoV-2 has claimed millions of lives. To control the COVID-19 pandemic, the Food and Drug Administration (FDA) and/or European Agency of Medicines (EMA) have granted Emergency Use Authorization (EUA) to nine therapeutic antibodies. Nonetheless, the natural evolution of SARS-CoV-2 has generated numerous variants of concern (VOCs) that have challenged the efficacy of the EUA antibodies. Here, we review the most relevant characteristics of these therapeutic antibodies, including timeline of approval, neutralization profile against the VOCs, selection methods of their variable regions, somatic mutations, HCDR3 and LCDR3 features, isotype, Fc modifications used in the therapeutic format, and epitope recognized on the receptor-binding domain (RBD) of SARS-CoV-2. One of the conclusions of the review is that the EUA therapeutic antibodies that still retain efficacy against new VOCs bind an epitope formed by conserved residues that seem to be evolutionarily conserved as thus, critical for the RBD:hACE-2 interaction. The information reviewed here should help to design new and more efficacious antibodies to prevent and/or treat COVID-19, as well as other infectious diseases.
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Affiliation(s)
- Juan C. Almagro
- GlobalBio, Inc., 320 Concord Ave, Cambridge, MA 02138, USA
- Unidad de Desarrollo e Investigación en Bioterapéuticos (UDIBI), Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, Prolongación de Carpio y Plan de Ayala S/N, Colonia Santo Tomás, Alcaldía Miguel Hidalgo, Mexico City 11340, Mexico
- Laboratorio Nacional para Servicios Especializados de Investigación, Desarrollo e Innovación (I+D+i) para Farmoquímicos y Biotecnológicos, LANSEIDI-FarBiotec-CONACyT, Prolongación de Carpio y Plan de Ayala S/N, Colonia Santo Tomás, Alcaldía Miguel Hidalgo, Mexico City 11340, Mexico
- Correspondence: (J.C.A.); (S.M.P.-T.)
| | - Gabriela Mellado-Sánchez
- Unidad de Desarrollo e Investigación en Bioterapéuticos (UDIBI), Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, Prolongación de Carpio y Plan de Ayala S/N, Colonia Santo Tomás, Alcaldía Miguel Hidalgo, Mexico City 11340, Mexico
- Laboratorio Nacional para Servicios Especializados de Investigación, Desarrollo e Innovación (I+D+i) para Farmoquímicos y Biotecnológicos, LANSEIDI-FarBiotec-CONACyT, Prolongación de Carpio y Plan de Ayala S/N, Colonia Santo Tomás, Alcaldía Miguel Hidalgo, Mexico City 11340, Mexico
| | - Martha Pedraza-Escalona
- CONACyT-Unidad de Desarrollo e Investigación en Bioterapéuticos (UDIBI), Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, Prolongación de Carpio y Plan de Ayala S/N, Colonia Santo Tomás, Alcaldía Miguel Hidalgo, Mexico City 11340, Mexico
| | - Sonia M. Pérez-Tapia
- Unidad de Desarrollo e Investigación en Bioterapéuticos (UDIBI), Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, Prolongación de Carpio y Plan de Ayala S/N, Colonia Santo Tomás, Alcaldía Miguel Hidalgo, Mexico City 11340, Mexico
- Laboratorio Nacional para Servicios Especializados de Investigación, Desarrollo e Innovación (I+D+i) para Farmoquímicos y Biotecnológicos, LANSEIDI-FarBiotec-CONACyT, Prolongación de Carpio y Plan de Ayala S/N, Colonia Santo Tomás, Alcaldía Miguel Hidalgo, Mexico City 11340, Mexico
- Departamento de Inmunología, Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, Prolongación de Carpio y Plan de Ayala S/N, Colonia Santo Tomás, Alcaldía Miguel Hidalgo, Mexico City 11340, Mexico
- Correspondence: (J.C.A.); (S.M.P.-T.)
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5
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Chen Z, Du R, Galvan Achi JM, Rong L, Cui Q. SARS-CoV-2 cell entry and targeted antiviral development. Acta Pharm Sin B 2021; 11:3879-3888. [PMID: 34002130 PMCID: PMC8117542 DOI: 10.1016/j.apsb.2021.05.007] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2021] [Revised: 04/21/2021] [Accepted: 04/29/2021] [Indexed: 12/25/2022] Open
Abstract
Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is the causative agent of the pandemic coronavirus disease 2019 (COVID-19), which threatens human health and public safety. In the urgent campaign to develop anti-SARS-CoV-2 therapies, the initial entry step is one of the most appealing targets. In this review, we summarize the current understanding of SARS-CoV-2 cell entry, and the development of targeted antiviral strategies. Moreover, we speculate upon future directions toward next-generation of SARS-CoV-2 entry inhibitors during the upcoming post-pandemic era.
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Affiliation(s)
- Zinuo Chen
- College of Pharmacy, Shandong University of Traditional Chinese Medicine, Jinan 250355, China
| | - Ruikun Du
- College of Pharmacy, Shandong University of Traditional Chinese Medicine, Jinan 250355, China
- Qingdao Academy of Chinese Medicinal Sciences, Shandong University of Traditional Chinese Medicine, Qingdao 266122, China
- Experimental Center, Shandong University of Traditional Chinese Medicine, Jinan 250355, China
| | - Jazmin M. Galvan Achi
- Department of Microbiology and Immunology, College of Medicine, University of Illinois at Chicago, Chicago, IL 60612, USA
| | - Lijun Rong
- Department of Microbiology and Immunology, College of Medicine, University of Illinois at Chicago, Chicago, IL 60612, USA
| | - Qinghua Cui
- College of Pharmacy, Shandong University of Traditional Chinese Medicine, Jinan 250355, China
- Qingdao Academy of Chinese Medicinal Sciences, Shandong University of Traditional Chinese Medicine, Qingdao 266122, China
- Experimental Center, Shandong University of Traditional Chinese Medicine, Jinan 250355, China
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Esmagambetov IB, Shcheblyakov DV, Egorova DA, Voronina OL, Derkaev AA, Voronina DV, Popova O, Ryabova EI, Shcherbinin DN, Aksenova EI, Semenov AN, Kunda MS, Ryzhova NN, Zubkova OV, Tukhvatulin AI, Logunov DY, Naroditsky BS, Borisevich SV, Gintsburg AL. Nanobodies Are Potential Therapeutic Agents for the Ebola Virus Infection. Acta Naturae 2021; 13:53-63. [PMID: 35127147 PMCID: PMC8807537 DOI: 10.32607/actanaturae.11487] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2021] [Accepted: 07/14/2021] [Indexed: 11/25/2022] Open
Abstract
Ebola fever is an acute, highly contagious viral disease with a mortality rate that can reach 90%. There are currently no licensed therapeutic agents specific to Ebola in the world. Monoclonal antibodies (MAbs) with viral-neutralizing activity and high specificity to the Ebola virus glycoprotein (EBOV GP) are considered as highly effective potential antiviral drugs. Over the past decade, nanobodies (single-domain antibodies, non-canonical camelid antibodies) have found wide use in the diagnosis and treatment of various infectious and non-infectious diseases. In this study, a panel of nanobodies specifically binding to EBOV GP was obtained using recombinant human adenovirus 5, expressing GP (Ad5-GP) for alpaca (Vicugna pacos) immunization, for the first time. Based on specific activity assay results, affinity constants, and the virus-neutralizing activity against the recombinant vesicular stomatitis virus pseudotyped with EBOV GP (rVSV-GP), the most promising clone (aEv6) was selected. The aEv6 clone was then modified with the human IgG1 Fc fragment to improve its pharmacokinetic and immunologic properties. To assess the protective activity of the chimeric molecule aEv6-Fc, a lethal model of murine rVSV-GP infection was developed by using immunosuppression. The results obtained in lethal model mice have demonstrated the protective effect of aEv6-Fc. Thus, the nanobody and its modified derivative obtained in this study have shown potential protective value against Ebola virus.
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Affiliation(s)
- I. B. Esmagambetov
- Federal State Budgetary Institution “National Research Centre for Epidemiology and Microbiology named after the Honorary Academician N. F. Gamaleya” of the Ministry of Health of the Russian Federation, Moscow, 123098 Russia
| | - D. V. Shcheblyakov
- Federal State Budgetary Institution “National Research Centre for Epidemiology and Microbiology named after the Honorary Academician N. F. Gamaleya” of the Ministry of Health of the Russian Federation, Moscow, 123098 Russia
| | - D. A. Egorova
- Federal State Budgetary Institution “National Research Centre for Epidemiology and Microbiology named after the Honorary Academician N. F. Gamaleya” of the Ministry of Health of the Russian Federation, Moscow, 123098 Russia
| | - O. L. Voronina
- Federal State Budgetary Institution “National Research Centre for Epidemiology and Microbiology named after the Honorary Academician N. F. Gamaleya” of the Ministry of Health of the Russian Federation, Moscow, 123098 Russia
| | - A. A. Derkaev
- Federal State Budgetary Institution “National Research Centre for Epidemiology and Microbiology named after the Honorary Academician N. F. Gamaleya” of the Ministry of Health of the Russian Federation, Moscow, 123098 Russia
| | - D. V. Voronina
- Federal State Budgetary Institution “National Research Centre for Epidemiology and Microbiology named after the Honorary Academician N. F. Gamaleya” of the Ministry of Health of the Russian Federation, Moscow, 123098 Russia
| | - O. Popova
- Federal State Budgetary Institution “National Research Centre for Epidemiology and Microbiology named after the Honorary Academician N. F. Gamaleya” of the Ministry of Health of the Russian Federation, Moscow, 123098 Russia
| | - E. I. Ryabova
- Federal State Budgetary Institution “National Research Centre for Epidemiology and Microbiology named after the Honorary Academician N. F. Gamaleya” of the Ministry of Health of the Russian Federation, Moscow, 123098 Russia
| | - D. N. Shcherbinin
- Federal State Budgetary Institution “National Research Centre for Epidemiology and Microbiology named after the Honorary Academician N. F. Gamaleya” of the Ministry of Health of the Russian Federation, Moscow, 123098 Russia
| | - E. I. Aksenova
- Federal State Budgetary Institution “National Research Centre for Epidemiology and Microbiology named after the Honorary Academician N. F. Gamaleya” of the Ministry of Health of the Russian Federation, Moscow, 123098 Russia
| | - A. N. Semenov
- Federal State Budgetary Institution “National Research Centre for Epidemiology and Microbiology named after the Honorary Academician N. F. Gamaleya” of the Ministry of Health of the Russian Federation, Moscow, 123098 Russia
| | - M. S. Kunda
- Federal State Budgetary Institution “National Research Centre for Epidemiology and Microbiology named after the Honorary Academician N. F. Gamaleya” of the Ministry of Health of the Russian Federation, Moscow, 123098 Russia
| | - N. N. Ryzhova
- Federal State Budgetary Institution “National Research Centre for Epidemiology and Microbiology named after the Honorary Academician N. F. Gamaleya” of the Ministry of Health of the Russian Federation, Moscow, 123098 Russia
| | - O. V. Zubkova
- Federal State Budgetary Institution “National Research Centre for Epidemiology and Microbiology named after the Honorary Academician N. F. Gamaleya” of the Ministry of Health of the Russian Federation, Moscow, 123098 Russia
| | - A. I. Tukhvatulin
- Federal State Budgetary Institution “National Research Centre for Epidemiology and Microbiology named after the Honorary Academician N. F. Gamaleya” of the Ministry of Health of the Russian Federation, Moscow, 123098 Russia
| | - D. Yu. Logunov
- Federal State Budgetary Institution “National Research Centre for Epidemiology and Microbiology named after the Honorary Academician N. F. Gamaleya” of the Ministry of Health of the Russian Federation, Moscow, 123098 Russia
| | - B. S. Naroditsky
- Federal State Budgetary Institution “National Research Centre for Epidemiology and Microbiology named after the Honorary Academician N. F. Gamaleya” of the Ministry of Health of the Russian Federation, Moscow, 123098 Russia
| | - S. V. Borisevich
- 48 Central Research Institute, Ministry of Defense, Sergiev Posad-6, 141306 Russia
| | - A. L. Gintsburg
- Federal State Budgetary Institution “National Research Centre for Epidemiology and Microbiology named after the Honorary Academician N. F. Gamaleya” of the Ministry of Health of the Russian Federation, Moscow, 123098 Russia
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Raj GM, Priyadarshini R, Murugesan S, Adhimoolam M. Monoclonal Antibodies Against Infectious Microbes: So Long and Too Little! Infect Disord Drug Targets 2021; 21:4-27. [PMID: 32164518 DOI: 10.2174/1871526520666200312154649] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2019] [Revised: 02/18/2020] [Accepted: 02/21/2020] [Indexed: 11/22/2022]
Abstract
Monoclonal antibodies (mAbs) as alternatives or more often as complementary to the conventional antimicrobials have been developed for the management of infectious conditions for the past two decades. These pharmacotherapeutic strategies are inevitable as the burden of antimicrobial resistance is far-reaching in recent times. MAbs are part of the targeted pharmacotherapy armamentarium with a high degree of specificity - hence, exert comparatively superior efficacy and tolerability than the conventional polyclonal antisera. So far, only five mAbs have been approved for the management of infectious states, since the marketing authorization (1998) given to palivizumab (Synagis®) for the prophylaxis of lower respiratory tract disease caused by a respiratory syncytial virus in pediatric patients. Ibalizumab-uiyk (Trogarzo™) used for the management of multidrug-resistant HIV-1 infection not yielding to at least 10 antiretroviral drugs, was approved recently. Among the three antibacterial mAbs, raxibacumab (ABthrax®/ Anthrin®) and obiltoxaximab (Anthim®) are indicated for the treatment and prophylaxis of inhalation anthrax due to Bacillus anthracis; bezlotoxumab (Zinplava®) is used to reduce the recurrence of Clostridium difficile infection. There are also around 30 and 15 mAbs in different phases of development for viral and bacterial conditions. As alternatives to the traditional antivirals and antibacterials, the antimicrobial mAbs are the need of the hour. These mAbs are more relevant to the management of conditions like emerging viral outbreaks wherein there is a lack of prophylactic vaccines. The current cutting-edge engineering technologies revolutionizing the production of mAbs include phagedisplayed antibody libraries, cloning from single-memory B cells or single-antibody-secreting plasma B cells, proteomics-directed cloning of mAbs from serum clubbed with high-throughput sequencing techniques. Yet, the cost of manufacture continues to be the main limiting factor. In this review, the different therapeutic monoclonal antibodies directed against the microbial pathogens are discussed.
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Affiliation(s)
- Gerard M Raj
- Department of Pharmacology, Sri Venkateshwaraa Medical College Hospital and Research Centre (SVMCH & RC), Puducherry 605102, India
| | - Rekha Priyadarshini
- Department of Pharmacology, Indira Gandhi Medical College & Research Institute (IGMC & RI), Puducherry 605009, India
| | - Sakthibalan Murugesan
- Department of Pharmacology, Sri Venkateshwaraa Medical College Hospital and Research Centre (SVMCH & RC), Puducherry 605102, India
| | - Mangaiarkkarasi Adhimoolam
- Department of Pharmacology, Sri Venkateshwaraa Medical College Hospital and Research Centre (SVMCH & RC), Puducherry 605102, India
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IgY antibodies against Ebola virus possess post-exposure protection in a murine pseudovirus challenge model and excellent thermostability. PLoS Negl Trop Dis 2021; 15:e0008403. [PMID: 33711011 PMCID: PMC7990235 DOI: 10.1371/journal.pntd.0008403] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2020] [Revised: 03/24/2021] [Accepted: 02/21/2021] [Indexed: 01/07/2023] Open
Abstract
Ebola virus (EBOV) is one of the most virulent pathogens that causes hemorrhagic fever and displays high mortality rates and low prognosis rates in both humans and nonhuman primates. The post-exposure antibody therapies to prevent EBOV infection are considered effective as of yet. However, owing to the poor thermal stability of mammalian antibodies, their application in the tropics has remained limited. Therefore, a thermostable therapeutic antibody against EBOV was developed modelled on the poultry(chicken) immunoglobulin Y (IgY). The IgY antibodies retaining their neutralising activity at 25°C for one year, displayed excellent thermal stability, opposed to conventional polyclonal antibodies (pAbs) or monoclonal antibodies (mAbs). Laying hens were immunised with a variety of EBOV vaccine candidates and it was confirmed that VSVΔG/EBOVGP encoding the EBOV glycoprotein could induce high titer neutralising antibodies against EBOV. The therapeutic efficacy of immune IgY antibodies in vivo was evaluated in the newborn Balb/c mice who have been challenged with the VSVΔG/EBOVGP model. Mice that have been challenged with a lethal dose of the pseudovirus were treated 2 or 24 h post-infection with different doses of anti-EBOV IgY. The group receiving a high dose of 106 NAU/kg (neutralising antibody units/kilogram) showed complete protection with no symptoms of a disease, while the low-dose group was only partially protected. Conversely, all mice receiving naive IgY died within 10 days. In conclusion, the anti-EBOV IgY exhibits excellent thermostability and protective efficacy. Anti-EBOV IgY shows a lot of promise in entering the realm of efficient Ebola virus treatment regimens. Despite the amount of efficient Ebola virus therapeutic antibodies reported in recent years, their application in tropical endemic areas has remained limited due to the low thermal stability of mammalian antibodies. A highly thermostable therapeutic polyclonal antibody against EBOV was developed based on chicken immunoglobulin Y (IgY). The EBOV specific IgY antibodies displayed excellent thermal stability, retaining their neutralising activity at 25°C for one year. The newborn mice receiving the passive transfer of IgY achieved complete protection against a lethal dose of virus challenge proving that the anti-EBOV IgY provides a promising recourse to solve some of the current clinical application hindrances of Ebola antibody-based treatments in Africa due to thermal stability.
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9
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Gupta S, Gupta N, Yadav P, Patil D. Ebola virus outbreak preparedness plan for developing Nations: Lessons learnt from affected countries. J Infect Public Health 2021; 14:293-305. [PMID: 33610938 DOI: 10.1016/j.jiph.2020.12.030] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2020] [Revised: 09/23/2020] [Accepted: 12/20/2020] [Indexed: 11/25/2022] Open
Abstract
BACKGROUND Ebola virus (EBOV); a public health emergency of international concern,is known to pose threat of global outbreaks. EBOV has spread in African continent and due to unchecked international travel, importation of cases has been reported in different countries. In this alarming scenario, developing countries need to evaluate and upgrade their preparedness plan to contain the spread of EBOV. The present review lays down the updated preparedness plan for developing countries to contain future EBOV outbreaks. METHODS The literature on EBOV outbreaks and preparedness strategies reported were searched on Pubmed and Google Scholar using the MeSH terms such as "Ebola virus disease, Epidemic, Outbreak, Imported case, Preparedness, Public health interventions" combined with Boolean operator (OR) for the period of 2011-2020. Additionally, World Health organization (WHO) and Centers for Disease Control & Prevention (CDC) websites were searched for the guidelines, reports, containment strategies, containment plan of countries, actions taken by countries and international partners, etc. RESULTS: The present review analyzed the EBOV outbreaks between 2011-2020 and containment strategies used by the affected countries. Based on the lessons learned from EBOV outbreaks and personal experience in infectious disease management, we have recommended a preparedness and response plan for EBOV containment in developing countries. CONCLUSION Developing countries are particularly vulnerable to major outbreaks of EBOV due to increased international travel and unchecked transmission. The recommended preparedness plan will help developing counties to contain EBOV outbreaks in future.
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Affiliation(s)
- Swati Gupta
- Division of Epidemiology and Communicable Diseases, Indian Council of Medical Research (ICMR), Ansari Nagar, New Delhi 110029, India
| | - Nivedita Gupta
- Division of Epidemiology and Communicable Diseases, Indian Council of Medical Research (ICMR), Ansari Nagar, New Delhi 110029, India.
| | - Pragya Yadav
- ICMR-National Institute of Virology, 20-A, Dr. Ambedkar Road, Pune 411021, India
| | - Deepak Patil
- ICMR-National Institute of Virology, 20-A, Dr. Ambedkar Road, Pune 411021, India
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Muñoz-Basagoiti J, Perez-Zsolt D, Carrillo J, Blanco J, Clotet B, Izquierdo-Useros N. SARS-CoV-2 Cellular Infection and Therapeutic Opportunities: Lessons Learned from Ebola Virus. MEMBRANES 2021; 11:64. [PMID: 33477477 PMCID: PMC7830673 DOI: 10.3390/membranes11010064] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/30/2020] [Revised: 12/24/2020] [Accepted: 01/04/2021] [Indexed: 11/29/2022]
Abstract
Viruses rely on the cellular machinery to replicate and propagate within newly infected individuals. Thus, viral entry into the host cell sets up the stage for productive infection and disease progression. Different viruses exploit distinct cellular receptors for viral entry; however, numerous viral internalization mechanisms are shared by very diverse viral families. Such is the case of Ebola virus (EBOV), which belongs to the filoviridae family, and the recently emerged coronavirus SARS-CoV-2. These two highly pathogenic viruses can exploit very similar endocytic routes to productively infect target cells. This convergence has sped up the experimental assessment of clinical therapies against SARS-CoV-2 previously found to be effective for EBOV, and facilitated their expedited clinical testing. Here we review how the viral entry processes and subsequent replication and egress strategies of EBOV and SARS-CoV-2 can overlap, and how our previous knowledge on antivirals, antibodies, and vaccines against EBOV has boosted the search for effective countermeasures against the new coronavirus. As preparedness is key to contain forthcoming pandemics, lessons learned over the years by combating life-threatening viruses should help us to quickly deploy effective tools against novel emerging viruses.
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Affiliation(s)
- Jordana Muñoz-Basagoiti
- IrsiCaixa AIDS Research Institute, Germans Trias I Pujol Research Institute (IGTP), Can Ruti Campus, 08916 Badalona, Spain; (J.M.-B.); (D.P.-Z.); (J.C.); (J.B.); (B.C.)
| | - Daniel Perez-Zsolt
- IrsiCaixa AIDS Research Institute, Germans Trias I Pujol Research Institute (IGTP), Can Ruti Campus, 08916 Badalona, Spain; (J.M.-B.); (D.P.-Z.); (J.C.); (J.B.); (B.C.)
| | - Jorge Carrillo
- IrsiCaixa AIDS Research Institute, Germans Trias I Pujol Research Institute (IGTP), Can Ruti Campus, 08916 Badalona, Spain; (J.M.-B.); (D.P.-Z.); (J.C.); (J.B.); (B.C.)
| | - Julià Blanco
- IrsiCaixa AIDS Research Institute, Germans Trias I Pujol Research Institute (IGTP), Can Ruti Campus, 08916 Badalona, Spain; (J.M.-B.); (D.P.-Z.); (J.C.); (J.B.); (B.C.)
- Infectious Diseases and Immunity Department, Faculty of Medicine, University of Vic (UVic-UCC), 08500 Vic, Spain
| | - Bonaventura Clotet
- IrsiCaixa AIDS Research Institute, Germans Trias I Pujol Research Institute (IGTP), Can Ruti Campus, 08916 Badalona, Spain; (J.M.-B.); (D.P.-Z.); (J.C.); (J.B.); (B.C.)
- Infectious Diseases and Immunity Department, Faculty of Medicine, University of Vic (UVic-UCC), 08500 Vic, Spain
- Infectious Diseases Department, Germans Trias i Pujol Hospital, 08916 Badalona, Spain
| | - Nuria Izquierdo-Useros
- IrsiCaixa AIDS Research Institute, Germans Trias I Pujol Research Institute (IGTP), Can Ruti Campus, 08916 Badalona, Spain; (J.M.-B.); (D.P.-Z.); (J.C.); (J.B.); (B.C.)
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11
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Wang S, Peng Y, Wang R, Jiao S, Wang M, Huang W, Shan C, Jiang W, Li Z, Gu C, Chen B, Hu X, Yao Y, Min J, Zhang H, Chen Y, Gao G, Tang P, Li G, Wang A, Wang L, Zhang J, Chen S, Gui X, Yuan Z, Liu D. Characterization of neutralizing antibody with prophylactic and therapeutic efficacy against SARS-CoV-2 in rhesus monkeys. Nat Commun 2020; 11:5752. [PMID: 33188207 PMCID: PMC7666115 DOI: 10.1038/s41467-020-19568-1] [Citation(s) in RCA: 55] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2020] [Accepted: 10/21/2020] [Indexed: 12/13/2022] Open
Abstract
Efficacious interventions are urgently needed for the treatment of COVID-19. Here, we report a monoclonal antibody (mAb), MW05, with SARS-CoV-2 neutralizing activity by disrupting the interaction of receptor binding domain (RBD) with angiotensin-converting enzyme 2 (ACE2) receptor. Crosslinking of Fc with FcγRIIB mediates antibody-dependent enhancement (ADE) activity by MW05. This activity is eliminated by introducing the LALA mutation to the Fc region (MW05/LALA). Potent prophylactic and therapeutic effects against SARS-CoV-2 are observed in rhesus monkeys. A single dose of MW05/LALA blocks infection of SARS-CoV-2 in prophylactic treatment and clears SARS-CoV-2 in three days in a therapeutic treatment setting. These results pave the way for the development of MW05/LALA as an antiviral strategy for COVID-19.
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Affiliation(s)
- Shuang Wang
- Mabwell (Shanghai) Bioscience Co., Ltd, 201210, Shanghai, China
- Beijing Kohnoor Science & Technology Co., Ltd, 102206, Beijing, China
| | - Yun Peng
- Center for Biosafety Mega-Science, Wuhan Institute of Virology, Chinese Academy of Sciences, 430071, Wuhan, Hubei, China
| | - Rongjuan Wang
- Mabwell (Shanghai) Bioscience Co., Ltd, 201210, Shanghai, China
- Beijing Kohnoor Science & Technology Co., Ltd, 102206, Beijing, China
| | - Shasha Jiao
- Mabwell (Shanghai) Bioscience Co., Ltd, 201210, Shanghai, China
- Beijing Kohnoor Science & Technology Co., Ltd, 102206, Beijing, China
| | - Min Wang
- Mabwell (Shanghai) Bioscience Co., Ltd, 201210, Shanghai, China
| | - Weijin Huang
- Key Laboratory of the Ministry of Health for Research on Quality and Standardization of Biotech Products, National Institutes for Food and Drug Control, 100050, Beijing, China
| | - Chao Shan
- State Key Laboratory of Virology, Wuhan Institute of Virology, Chinese Academy of Sciences, 430071, Wuhan, Hubei, China
| | - Wen Jiang
- Mabwell (Shanghai) Bioscience Co., Ltd, 201210, Shanghai, China
| | - Zepeng Li
- Mabwell (Shanghai) Bioscience Co., Ltd, 201210, Shanghai, China
| | - Chunying Gu
- Mabwell (Shanghai) Bioscience Co., Ltd, 201210, Shanghai, China
| | - Ben Chen
- Mabwell (Shanghai) Bioscience Co., Ltd, 201210, Shanghai, China
| | - Xue Hu
- State Key Laboratory of Virology, Wuhan Institute of Virology, Chinese Academy of Sciences, 430071, Wuhan, Hubei, China
| | - Yanfeng Yao
- Center for Biosafety Mega-Science, Wuhan Institute of Virology, Chinese Academy of Sciences, 430071, Wuhan, Hubei, China
| | - Juan Min
- Wuhan Institute of Virology, Chinese Academy of Sciences, 430071, Wuhan, Hubei, China
| | - Huajun Zhang
- Center for Biosafety Mega-Science, Wuhan Institute of Virology, Chinese Academy of Sciences, 430071, Wuhan, Hubei, China
| | - Ying Chen
- Center for Biosafety Mega-Science, Wuhan Institute of Virology, Chinese Academy of Sciences, 430071, Wuhan, Hubei, China
| | - Ge Gao
- Center for Biosafety Mega-Science, Wuhan Institute of Virology, Chinese Academy of Sciences, 430071, Wuhan, Hubei, China
| | - Peipei Tang
- Mabwell (Shanghai) Bioscience Co., Ltd, 201210, Shanghai, China
| | - Gang Li
- Mabwell (Shanghai) Bioscience Co., Ltd, 201210, Shanghai, China
| | - An Wang
- Mabwell (Shanghai) Bioscience Co., Ltd, 201210, Shanghai, China
| | - Lan Wang
- Key Laboratory of the Ministry of Health for Research on Quality and Standardization of Biotech Products, National Institutes for Food and Drug Control, 100050, Beijing, China
| | - Jinchao Zhang
- Mabwell (Shanghai) Bioscience Co., Ltd, 201210, Shanghai, China
| | - Shuo Chen
- Ludwig Cancer Research, Nuffield Department of Medicine, University of Oxford, Oxford, OX3 7DQ, UK.
| | - Xun Gui
- Mabwell (Shanghai) Bioscience Co., Ltd, 201210, Shanghai, China.
| | - Zhiming Yuan
- Center for Biosafety Mega-Science, Wuhan Institute of Virology, Chinese Academy of Sciences, 430071, Wuhan, Hubei, China.
| | - Datao Liu
- Mabwell (Shanghai) Bioscience Co., Ltd, 201210, Shanghai, China.
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12
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Gonçalves BC, Lopes Barbosa MG, Silva Olak AP, Belebecha Terezo N, Nishi L, Watanabe MA, Marinello P, Zendrini Rechenchoski D, Dejato Rocha SP, Faccin-Galhardi LC. Antiviral therapies: advances and perspectives. Fundam Clin Pharmacol 2020; 35:305-320. [PMID: 33011993 PMCID: PMC7675511 DOI: 10.1111/fcp.12609] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2020] [Revised: 09/16/2020] [Accepted: 09/28/2020] [Indexed: 12/12/2022]
Abstract
Viral infections cause high morbidity and mortality, threaten public health, and impose a socioeconomic burden. We have seen the recent emergence of SARS‐CoV‐2 (Severe Acute Respiratory Syndrome Coronavirus 2), the causative agent of COVID‐19 that has already infected more than 29 million people, with more than 900 000 deaths since its identification in December 2019. Considering the significant impact of viral infections, research and development of new antivirals and control strategies are essential. In this paper, we summarize 96 antivirals approved by the Food and Drug Administration between 1987 and 2019. Of these, 49 (51%) are used in treatments against human immunodeficiency virus (HIV), four against human papillomavirus, six against cytomegalovirus, eight against hepatitis B virus, five against influenza, six against herpes simplex virus, 17 against hepatitis C virus and one against respiratory syncytial virus. This review also describes future perspectives for new antiviral therapies such as nanotechnologies, monoclonal antibodies and the CRISPR‐Cas system. These strategies are suggested as inhibitors of viral replication by various means, such as direct binding to the viral particle, blocking the infection, changes in intracellular mechanisms or viral genes, preventing replication and virion formation. We also observed that a large number of viral agents have no therapy available and the majority of those approved in the last 32 years are restricted to some groups, especially anti‐HIV. Additionally, the emergence of new viruses and strains resistant to available antivirals has necessitated the formulation of new antivirals.
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Affiliation(s)
- Bruna Carolina Gonçalves
- Departamento de Microbiologia, Centro de Ciências Biológicas, Universidade Estadual de Londrina, Londrina, 86057-970, Brazil
| | - Mário Gabriel Lopes Barbosa
- Departamento de Microbiologia, Centro de Ciências Biológicas, Universidade Estadual de Londrina, Londrina, 86057-970, Brazil
| | - Anna Paula Silva Olak
- Departamento de Microbiologia, Centro de Ciências Biológicas, Universidade Estadual de Londrina, Londrina, 86057-970, Brazil
| | - Natalia Belebecha Terezo
- Departamento de Microbiologia, Centro de Ciências Biológicas, Universidade Estadual de Londrina, Londrina, 86057-970, Brazil
| | - Leticia Nishi
- Departamento de Ciências Patológicas, Centro de Ciências Biológicas, Universidade Estadual de Londrina, Londrina, 86057-970, Brazil
| | - Maria Angélica Watanabe
- Departamento de Ciências Patológicas, Centro de Ciências Biológicas, Universidade Estadual de Londrina, Londrina, 86057-970, Brazil
| | - Poliana Marinello
- Departamento de Ciências Patológicas, Centro de Ciências Biológicas, Universidade Estadual de Londrina, Londrina, 86057-970, Brazil
| | - Daniele Zendrini Rechenchoski
- Departamento de Microbiologia, Centro de Ciências Biológicas, Universidade Estadual de Londrina, Londrina, 86057-970, Brazil
| | - Sergio Paulo Dejato Rocha
- Departamento de Microbiologia, Centro de Ciências Biológicas, Universidade Estadual de Londrina, Londrina, 86057-970, Brazil
| | - Lígia Carla Faccin-Galhardi
- Departamento de Microbiologia, Centro de Ciências Biológicas, Universidade Estadual de Londrina, Londrina, 86057-970, Brazil
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13
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Jain S, Khaiboullina SF, Baranwal M. Immunological Perspective for Ebola Virus Infection and Various Treatment Measures Taken to Fight the Disease. Pathogens 2020; 9:pathogens9100850. [PMID: 33080902 PMCID: PMC7603231 DOI: 10.3390/pathogens9100850] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2020] [Revised: 10/07/2020] [Accepted: 10/16/2020] [Indexed: 12/19/2022] Open
Abstract
Ebolaviruses, discovered in 1976, belongs to the Filoviridae family, which also includes Marburg and Lloviu viruses. They are negative-stranded RNA viruses with six known species identified to date. Ebola virus (EBOV) is a member of Zaire ebolavirus species and can cause the Ebola virus disease (EVD), an emerging zoonotic disease that results in homeostatic imbalance and multi-organ failure. There are three EBOV outbreaks documented in the last six years resulting in significant morbidity (> 32,000 cases) and mortality (> 13,500 deaths). The potential factors contributing to the high infectivity of this virus include multiple entry mechanisms, susceptibility of the host cells, employment of multiple immune evasion mechanisms and rapid person-to-person transmission. EBOV infection leads to cytokine storm, disseminated intravascular coagulation, host T cell apoptosis as well as cell mediated and humoral immune response. In this review, a concise recap of cell types targeted by EBOV and EVD symptoms followed by detailed run-through of host innate and adaptive immune responses, virus-driven regulation and their combined effects contributing to the disease pathogenesis has been presented. At last, the vaccine and drug development initiatives as well as challenges related to the management of infection have been discussed.
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Affiliation(s)
- Sahil Jain
- Department of Biotechnology, Thapar Institute of Engineering & Technology, Patiala 147004, Punjab, India;
| | - Svetlana F. Khaiboullina
- Department of Microbiology and Immunology, University of Nevada, Reno, NV 89557, USA
- Institute of Fundamental Medicine and Biology, Kazan Federal University, 420008 Kazan, Tatarstan, Russia
- Correspondence: (S.F.K.); (M.B.)
| | - Manoj Baranwal
- Department of Biotechnology, Thapar Institute of Engineering & Technology, Patiala 147004, Punjab, India;
- Correspondence: (S.F.K.); (M.B.)
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14
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Cohen-Dvashi H, Zehner M, Ehrhardt S, Katz M, Elad N, Klein F, Diskin R. Structural Basis for a Convergent Immune Response against Ebola Virus. Cell Host Microbe 2020; 27:418-427.e4. [DOI: 10.1016/j.chom.2020.01.007] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2019] [Revised: 12/31/2019] [Accepted: 01/14/2020] [Indexed: 11/29/2022]
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15
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Bache BE, Grobusch MP, Agnandji ST. Safety, immunogenicity and risk-benefit analysis of rVSV-ΔG-ZEBOV-GP (V920) Ebola vaccine in Phase I-III clinical trials across regions. Future Microbiol 2020; 15:85-106. [PMID: 32030996 DOI: 10.2217/fmb-2019-0237] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
To evaluate the risk-benefits balance of the rVSV-ΔG-ZEBOV-GP vaccine. We performed a systematic review to summarize data on safety, immunogenicity and efficacy. About 17,600 adults and 234 children received 11 different doses of the V920 vaccine ranging from 3000 to 100 million and 20 million plaque-forming units, respectively, during Phase I-III clinical trials. Cases of severe but transient arthritis were reported in about six and 0.08% of vaccinees in high-income countries (HICs) and low-middle-income countries (LMICs), respectively. The 20 million plaque-forming units dose yielded GP-specific antibody titres which peaked at day 28 with a pooled geometric mean titres of 2557.7 (95% CI: 1665.5-3934.2) versus 1156.9 (95% CI: 832.5-1649.2) but with similar seroconversion rates at 96% (95% CI: 87-100) versus 100% (95% CI: 90-100) for HICs and LMICs, respectively. Data from stringent Phase I-II clinical trials in LMICs and HICs and from the ring efficacy trials yielded a good risk-benefit balance of the V920 vaccine in adults, but also in children and pregnant and lactating women and HIV-infected people.
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Affiliation(s)
- Bache Emmanuel Bache
- Centre de Recherches Médicales de Lambaréné (CERMEL), Biomedicine and Social sciences, BP 242, Lambaréné, Gabon.,Center of Tropical Medicine & Travel Medicine, Department of Infectious Diseases, Division of Internal Medicine, Amsterdam University Medical Centres, location AMC, University of Amsterdam, Amsterdam, The Netherlands
| | - Martin P Grobusch
- Centre de Recherches Médicales de Lambaréné (CERMEL), Biomedicine and Social sciences, BP 242, Lambaréné, Gabon.,Center of Tropical Medicine & Travel Medicine, Department of Infectious Diseases, Division of Internal Medicine, Amsterdam University Medical Centres, location AMC, University of Amsterdam, Amsterdam, The Netherlands.,Institut für Tropenmedizin, Universitätsklinikum Tübingen, Tübingen, Germany
| | - Selidji Todagbe Agnandji
- Centre de Recherches Médicales de Lambaréné (CERMEL), Biomedicine and Social sciences, BP 242, Lambaréné, Gabon.,Institut für Tropenmedizin, Universitätsklinikum Tübingen, Tübingen, Germany
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16
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Rational design of universal immunotherapy for TfR1-tropic arenaviruses. Nat Commun 2020; 11:67. [PMID: 31900422 PMCID: PMC6941993 DOI: 10.1038/s41467-019-13924-6] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2019] [Accepted: 12/10/2019] [Indexed: 01/02/2023] Open
Abstract
Certain arenaviruses that circulate in rodent populations can cause life-threatening hemorrhagic fevers when they infect humans. Due to their efficient transmission, arenaviruses pose a severe risk for outbreaks and might be exploited as biological weapons. Effective countermeasures against these viruses are highly desired. Ideally, a single remedy would be effective against many or even all the pathogenic viruses in this family. However, despite the fact that all pathogenic arenaviruses from South America utilize transferrin receptor 1 (TfR1) as a cellular receptor, their viral glycoproteins are highly diversified, impeding efforts to isolate cross-neutralizing antibodies. Here we address this problem using a rational design approach to target TfR1-tropic arenaviruses with high potency and breadth. The pan-reactive molecule is highly effective against all arenaviruses that were tested, offering a universal therapeutic approach. Our design scheme avoids the shortcomings of previous immunoadhesins and can be used to combat other zoonotic pathogens.
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17
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Dibo M, Battocchio EC, dos Santos Souza LM, da Silva MDV, Banin-Hirata BK, Sapla MM, Marinello P, Rocha SP, Faccin-Galhardi LC. Antibody Therapy for the Control of Viral Diseases: An Update. Curr Pharm Biotechnol 2019; 20:1108-1121. [DOI: 10.2174/1389201020666190809112704] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2018] [Revised: 04/22/2019] [Accepted: 08/01/2019] [Indexed: 12/29/2022]
Abstract
The epidemiological impact of viral diseases, combined with the emergence and reemergence of some viruses, and the difficulties in identifying effective therapies, have encouraged several studies to develop new therapeutic strategies for viral infections. In this context, the use of immunotherapy for the treatment of viral diseases is increasing. One of the strategies of immunotherapy is the use of antibodies, particularly the monoclonal antibodies (mAbs) and multi-specific antibodies, which bind directly to the viral antigen and bring about activation of the immune system. With current advancements in science and technology, several such antibodies are being tested, and some are already approved and are undergoing clinical trials. The present work aims to review the status of mAb development for the treatment of viral diseases.
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Affiliation(s)
- Miriam Dibo
- Department of Microbiology, Biological Sciences Center, State University of Londrina, Parana, Brazil
| | - Eduardo C. Battocchio
- Department of Microbiology, Biological Sciences Center, State University of Londrina, Parana, Brazil
| | - Lucas M. dos Santos Souza
- Department of Microbiology, Biological Sciences Center, State University of Londrina, Parana, Brazil
| | | | - Bruna K. Banin-Hirata
- Department of Pathological Sciences, Biological Sciences Center, State University of Londrina, Parana, Brazil
| | - Milena M.M. Sapla
- Department of Pathological Sciences, Biological Sciences Center, State University of Londrina, Parana, Brazil
| | - Poliana Marinello
- Department of Pathological Sciences, Biological Sciences Center, State University of Londrina, Parana, Brazil
| | - Sérgio P.D. Rocha
- Department of Microbiology, Biological Sciences Center, State University of Londrina, Parana, Brazil
| | - Lígia C. Faccin-Galhardi
- Department of Microbiology, Biological Sciences Center, State University of Londrina, Parana, Brazil
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18
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Gilchuk P, Mire CE, Geisbert JB, Agans KN, Deer DJ, Cross RW, Slaughter JC, Flyak AI, Mani J, Pauly MH, Velasco J, Whaley KJ, Zeitlin L, Geisbert TW, Crowe JE. Efficacy of Human Monoclonal Antibody Monotherapy Against Bundibugyo Virus Infection in Nonhuman Primates. J Infect Dis 2019; 218:S565-S573. [PMID: 29982718 DOI: 10.1093/infdis/jiy295] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023] Open
Abstract
Background The 2013-2016 Ebola virus disease (EVD) epidemics in West Africa highlighted a need for effective therapeutics for treatment of the disease caused by filoviruses. Monoclonal antibodies (mAbs) are promising therapeutic candidates for prophylaxis or treatment of virus infections. Data about efficacy of human mAb monotherapy against filovirus infections in preclinical nonhuman primate models are limited. Methods Previously, we described a large panel of human mAbs derived from the circulating memory B cells from Bundibugyo virus (BDBV) infection survivors that bind to the surface glycoprotein (GP) of the virus. We tested one of these neutralizing mAbs that recognized the glycan cap of the GP, designated mAb BDBV289, as monotherapy in rhesus macaques. Results We found that recombinant mAb BDBV289-N could confer up to 100% protection to BDBV-infected rhesus macaques when treatment was initiated as late as 8 days after virus challenge. Protection was associated with survival and decreased viremia levels in the blood of treated animals. Conclusions These findings define the efficacy of monotherapy of lethal BDBV infection with a glycan cap-specific mAb and identify a candidate mAb therapeutic molecule that could be included in antibody cocktails for prevention or treatment of ebolavirus infections.
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Affiliation(s)
- Pavlo Gilchuk
- Vanderbilt Vaccine Center, Vanderbilt University Medical Center, Nashville, Tennessee
| | - Chad E Mire
- Galveston National Laboratory, University of Texas Medical Branch, Galveston.,Department of Microbiology and Immunology, University of Texas Medical Branch, Galveston
| | - Joan B Geisbert
- Galveston National Laboratory, University of Texas Medical Branch, Galveston.,Department of Microbiology and Immunology, University of Texas Medical Branch, Galveston
| | - Krystle N Agans
- Galveston National Laboratory, University of Texas Medical Branch, Galveston.,Department of Microbiology and Immunology, University of Texas Medical Branch, Galveston
| | - Daniel J Deer
- Galveston National Laboratory, University of Texas Medical Branch, Galveston.,Department of Microbiology and Immunology, University of Texas Medical Branch, Galveston
| | - Robert W Cross
- Galveston National Laboratory, University of Texas Medical Branch, Galveston.,Department of Microbiology and Immunology, University of Texas Medical Branch, Galveston
| | - James C Slaughter
- Department of Biostatistics, Vanderbilt University Medical Center, Nashville, Tennessee
| | - Andrew I Flyak
- Department of Pathology, Microbiology, and Immunology, Vanderbilt University Medical Center, Nashville, Tennessee
| | - Jeremy Mani
- Vanderbilt Vaccine Center, Vanderbilt University Medical Center, Nashville, Tennessee
| | | | | | | | | | - Thomas W Geisbert
- Galveston National Laboratory, University of Texas Medical Branch, Galveston.,Department of Microbiology and Immunology, University of Texas Medical Branch, Galveston
| | - James E Crowe
- Vanderbilt Vaccine Center, Vanderbilt University Medical Center, Nashville, Tennessee.,Department of Pathology, Microbiology, and Immunology, Vanderbilt University Medical Center, Nashville, Tennessee.,Department of Pediatrics, Vanderbilt University Medical Center, Nashville, Tennessee
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19
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Shcheblyakov D, Esmagambetov I, Simakin P, Kostina L, Kozlov A, Tsibezov V, Grebennikova T, Chifanov D, Rumyantseva I, Boyarskaya N, Sizikova T, Shagarova N, Andrus А, Shatohina I, Syromyatnikova S, Kovalchuk A, Pantyukhov V, Borisevich S, Zubkova O, Tukhvatulin A, Logunov D, Naroditsky B, Gintsburg A. Development and characterization of two GP-specific monoclonal antibodies, which synergistically protect non-human primates against Ebola lethal infection. Antiviral Res 2019; 172:104617. [PMID: 31593751 DOI: 10.1016/j.antiviral.2019.104617] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2019] [Revised: 09/12/2019] [Accepted: 10/01/2019] [Indexed: 01/01/2023]
Abstract
Ebola fever is an acute highly contagious viral disease characterized by severe course, high mortality and development of hemorrhagic syndrome (tendency to skin hemorrhage and bleeding of mucous membranes). The mortality rate of the disease 60-90%. Nowadays, there are no licensed specific therapeutic agents for Ebola in the world. Monoclonal antibodies (MAbs) having viral neutralizing activity with high specificity to the GP protein of the Ebola virus are considered as candidate highly effective antiviral drugs. In our study, for the first time a panel of mouse monoclonal antibodies specifically binding to EBOV GP protein was obtained using recombinant human adenovirus 5 serotype, expressing GP protein (Ad5-GP). The virus-neutralizing capacities of antibodies were evaluated on the Ebola virus cell infection model, as well as recombinant vesicular stomatitis virus pseudotyped by GP Ebola virus protein (rVSV-GP) cell infection model. Based on the results of virus neutralization, two most promising clones were selected, the specific and protective capacities of which were determined. The study of the protection of selected individual antibody clones, as well as their combinations on the model of lethal infection of rhesus macaques with Ebola virus showed that intravenous administration of a mixture of antibodies in the amount of 50 mg/kg 24 h after infection leads to the survival of 100% of the animals, while individual clones of antibodies possess partial protection (0-30%). The results of the study suggest the important role of antibodies in controlling replication of the Ebola virus in vivo and show the possibility of using a mixture of antibodies specific to the GP to protect against lethal infection with the Ebola virus in the post-infected mode of administration.
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Affiliation(s)
- Dmitry Shcheblyakov
- Federal State Budgetary Institution "National Research Centre for Epidemiology and Microbiology named after the Honorary Academician N. F. Gamaleya" of the Ministry of Health of the Russian Federation, Moscow, Russia
| | - Ilias Esmagambetov
- Federal State Budgetary Institution "National Research Centre for Epidemiology and Microbiology named after the Honorary Academician N. F. Gamaleya" of the Ministry of Health of the Russian Federation, Moscow, Russia.
| | - Pavel Simakin
- Federal State Budgetary Institution "National Research Centre for Epidemiology and Microbiology named after the Honorary Academician N. F. Gamaleya" of the Ministry of Health of the Russian Federation, Moscow, Russia
| | - Ludmila Kostina
- Federal State Budgetary Institution "National Research Centre for Epidemiology and Microbiology named after the Honorary Academician N. F. Gamaleya" of the Ministry of Health of the Russian Federation, Moscow, Russia
| | - Alexey Kozlov
- Federal State Budgetary Institution "National Research Centre for Epidemiology and Microbiology named after the Honorary Academician N. F. Gamaleya" of the Ministry of Health of the Russian Federation, Moscow, Russia
| | - Valeryi Tsibezov
- Federal State Budgetary Institution "National Research Centre for Epidemiology and Microbiology named after the Honorary Academician N. F. Gamaleya" of the Ministry of Health of the Russian Federation, Moscow, Russia
| | - Tatyana Grebennikova
- Federal State Budgetary Institution "National Research Centre for Epidemiology and Microbiology named after the Honorary Academician N. F. Gamaleya" of the Ministry of Health of the Russian Federation, Moscow, Russia
| | - Dmitriy Chifanov
- 48 Central Research Institute, Ministry of Defense of Russian Federation, Sergiev Posad-6, Russia
| | - Irina Rumyantseva
- 48 Central Research Institute, Ministry of Defense of Russian Federation, Sergiev Posad-6, Russia
| | - Natalia Boyarskaya
- 48 Central Research Institute, Ministry of Defense of Russian Federation, Sergiev Posad-6, Russia
| | - Tatiana Sizikova
- 48 Central Research Institute, Ministry of Defense of Russian Federation, Sergiev Posad-6, Russia
| | - Natalia Shagarova
- 48 Central Research Institute, Ministry of Defense of Russian Federation, Sergiev Posad-6, Russia
| | - Аlexandr Andrus
- 48 Central Research Institute, Ministry of Defense of Russian Federation, Sergiev Posad-6, Russia
| | - Irina Shatohina
- 48 Central Research Institute, Ministry of Defense of Russian Federation, Sergiev Posad-6, Russia
| | - Svetlana Syromyatnikova
- 48 Central Research Institute, Ministry of Defense of Russian Federation, Sergiev Posad-6, Russia
| | - Alexey Kovalchuk
- 48 Central Research Institute, Ministry of Defense of Russian Federation, Sergiev Posad-6, Russia
| | - Vladimir Pantyukhov
- 48 Central Research Institute, Ministry of Defense of Russian Federation, Sergiev Posad-6, Russia
| | - Sergey Borisevich
- 48 Central Research Institute, Ministry of Defense of Russian Federation, Sergiev Posad-6, Russia
| | - Olga Zubkova
- Federal State Budgetary Institution "National Research Centre for Epidemiology and Microbiology named after the Honorary Academician N. F. Gamaleya" of the Ministry of Health of the Russian Federation, Moscow, Russia
| | - Amir Tukhvatulin
- Federal State Budgetary Institution "National Research Centre for Epidemiology and Microbiology named after the Honorary Academician N. F. Gamaleya" of the Ministry of Health of the Russian Federation, Moscow, Russia
| | - Denis Logunov
- Federal State Budgetary Institution "National Research Centre for Epidemiology and Microbiology named after the Honorary Academician N. F. Gamaleya" of the Ministry of Health of the Russian Federation, Moscow, Russia
| | - Boris Naroditsky
- Federal State Budgetary Institution "National Research Centre for Epidemiology and Microbiology named after the Honorary Academician N. F. Gamaleya" of the Ministry of Health of the Russian Federation, Moscow, Russia
| | - Alexandr Gintsburg
- Federal State Budgetary Institution "National Research Centre for Epidemiology and Microbiology named after the Honorary Academician N. F. Gamaleya" of the Ministry of Health of the Russian Federation, Moscow, Russia
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20
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Tannock GA, Kim H, Xue L. Why are vaccines against many human viral diseases still unavailable; an historic perspective? J Med Virol 2019; 92:129-138. [PMID: 31502669 PMCID: PMC7166819 DOI: 10.1002/jmv.25593] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2019] [Accepted: 09/08/2019] [Indexed: 01/10/2023]
Abstract
The number of new and improved human viral vaccines licensed in recent years contrasts sharply with what could be termed the golden era (1955‐1990) when vaccines against polio‐, measles, mumps, rubella, and hepatitis B viruses first became available. Here, we attempt to explain why vaccines, mainly against viruses other than human immunodeficiency virus and hepatitis C virus, are still unavailable. They include human herpesviruses other than varicella‐zoster virus, respiratory syncytial and most other respiratory, enteric and arthropod‐borne viruses. Improved oral poliovirus vaccines are also urgently required. Their unavailability is attributable to regulatory/economic factors and the properties of individual viruses, but also to an absence of relevant animal models and ethical problems for the conduct of clinical of trials in pediatric and other critical populations. All are portents of likely difficulties for the licensing of effective vaccines against emerging pathogens, such as avian influenza, Ebola, and Zika viruses.
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Affiliation(s)
| | - Hyunsuh Kim
- Department of Infectious Diseases, St. Jude Children's Research Hospital, Memphis, Tennessee
| | - Lumin Xue
- Peter MacCallum Cancer Centre, Melbourne, Victoria, Australia
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21
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Rampling T, Page M, Horby P. International Biological Reference Preparations for Epidemic Infectious Diseases. Emerg Infect Dis 2019; 25:205-211. [PMID: 30666925 PMCID: PMC6346470 DOI: 10.3201/eid2502.180798] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Abstract
Recent years have seen unprecedented investment in research and development for countermeasures for high-threat pathogens, including specific and ambitious objectives for development of diagnostics, therapeutics, and vaccines. The inadequate availability of biological reference materials for these pathogens poses a genuine obstacle in pursuit of these objectives, and the lack of a comprehensive and equitable framework for developing reference materials is a weakness. We outline the need for internationally standardized biological materials for high-threat pathogens as a core element of global health security. We also outline the key components of a framework for addressing this deficiency.
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22
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Dhama K, Karthik K, Khandia R, Chakraborty S, Munjal A, Latheef SK, Kumar D, Ramakrishnan MA, Malik YS, Singh R, Malik SVS, Singh RK, Chaicumpa W. Advances in Designing and Developing Vaccines, Drugs, and Therapies to Counter Ebola Virus. Front Immunol 2018; 9:1803. [PMID: 30147687 PMCID: PMC6095993 DOI: 10.3389/fimmu.2018.01803] [Citation(s) in RCA: 51] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2018] [Accepted: 07/23/2018] [Indexed: 01/10/2023] Open
Abstract
Ebola virus (EBOV), a member of the family Filoviridae, is responsible for causing Ebola virus disease (EVD) (formerly named Ebola hemorrhagic fever). This is a severe, often fatal illness with mortality rates varying from 50 to 90% in humans. Although the virus and associated disease has been recognized since 1976, it was only when the recent outbreak of EBOV in 2014-2016 highlighted the danger and global impact of this virus, necessitating the need for coming up with the effective vaccines and drugs to counter its pandemic threat. Albeit no commercial vaccine is available so far against EBOV, a few vaccine candidates are under evaluation and clinical trials to assess their prophylactic efficacy. These include recombinant viral vector (recombinant vesicular stomatitis virus vector, chimpanzee adenovirus type 3-vector, and modified vaccinia Ankara virus), Ebola virus-like particles, virus-like replicon particles, DNA, and plant-based vaccines. Due to improvement in the field of genomics and proteomics, epitope-targeted vaccines have gained top priority. Correspondingly, several therapies have also been developed, including immunoglobulins against specific viral structures small cell-penetrating antibody fragments that target intracellular EBOV proteins. Small interfering RNAs and oligomer-mediated inhibition have also been verified for EVD treatment. Other treatment options include viral entry inhibitors, transfusion of convalescent blood/serum, neutralizing antibodies, and gene expression inhibitors. Repurposed drugs, which have proven safety profiles, can be adapted after high-throughput screening for efficacy and potency for EVD treatment. Herbal and other natural products are also being explored for EVD treatment. Further studies to better understand the pathogenesis and antigenic structures of the virus can help in developing an effective vaccine and identifying appropriate antiviral targets. This review presents the recent advances in designing and developing vaccines, drugs, and therapies to counter the EBOV threat.
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Affiliation(s)
- Kuldeep Dhama
- Division of Pathology, ICAR-Indian Veterinary Research Institute, Bareilly, India
| | - Kumaragurubaran Karthik
- Central University Laboratory, Tamil Nadu Veterinary and Animal Sciences University, Chennai, India
| | - Rekha Khandia
- Department of Biochemistry and Genetics, Barkatullah University, Bhopal, India
| | - Sandip Chakraborty
- Department of Veterinary Microbiology, College of Veterinary Sciences and Animal Husbandry, Agartala, India
| | - Ashok Munjal
- Department of Biochemistry and Genetics, Barkatullah University, Bhopal, India
| | - Shyma K. Latheef
- Immunology Section, ICAR-Indian Veterinary Research Institute, Bareilly, India
| | - Deepak Kumar
- Division of Veterinary Biotechnology, ICAR-Indian Veterinary Research Institute, Bareilly, India
| | | | - Yashpal Singh Malik
- Division of Biological Standardization, ICAR-Indian Veterinary Research Institute, Bareilly, India
| | - Rajendra Singh
- Division of Pathology, ICAR-Indian Veterinary Research Institute, Bareilly, India
| | - Satya Veer Singh Malik
- Division of Veterinary Public Health, ICAR-Indian Veterinary Research Institute, Bareilly, India
| | - Raj Kumar Singh
- ICAR-Indian Veterinary Research Institute, Bareilly, Uttar Pradesh, India
| | - Wanpen Chaicumpa
- Center of Research Excellence on Therapeutic Proteins and Antibody Engineering, Department of Parasitology, Faculty of Medicine SIriraj Hospital, Mahidol University, Bangkok, Thailand
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23
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Bagdonaite I, Vakhrushev SY, Joshi HJ, Wandall HH. Viral glycoproteomes: technologies for characterization and outlook for vaccine design. FEBS Lett 2018; 592:3898-3920. [PMID: 29961944 DOI: 10.1002/1873-3468.13177] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2018] [Revised: 06/13/2018] [Accepted: 06/26/2018] [Indexed: 12/27/2022]
Abstract
It has long been known that surface proteins of most enveloped viruses are covered with glycans. It has furthermore been demonstrated that glycosylation is essential for propagation and immune evasion for many viruses. The recent development of high-resolution mass spectrometry techniques has enabled identification not only of the precise structures but also the positions of such post-translational modifications on viruses, revealing substantial differences in extent of glycosylation and glycan maturation for different classes of viruses. In-depth characterization of glycosylation and other post-translational modifications of viral envelope glycoproteins is essential for rational design of vaccines and antivirals. In this Review, we provide an overview of techniques used to address viral glycosylation and summarize information on glycosylation of enveloped viruses representing ongoing public health challenges. Furthermore, we discuss how knowledge on glycosylation can be translated to means to prevent and combat viral infections.
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Affiliation(s)
- Ieva Bagdonaite
- Department of Cellular and Molecular Medicine, Copenhagen Center for Glycomics, University of Copenhagen, Denmark
| | - Sergey Y Vakhrushev
- Department of Cellular and Molecular Medicine, Copenhagen Center for Glycomics, University of Copenhagen, Denmark
| | - Hiren J Joshi
- Department of Cellular and Molecular Medicine, Copenhagen Center for Glycomics, University of Copenhagen, Denmark
| | - Hans H Wandall
- Department of Cellular and Molecular Medicine, Copenhagen Center for Glycomics, University of Copenhagen, Denmark
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24
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Grobusch MP, Schaumburg F, Weitzel T, Rothe C, Hanscheid T, Goorhuis A. Ebola 2018 – Implications for travel health advice and relevance for travel medicine. Travel Med Infect Dis 2018; 24:1-3. [DOI: 10.1016/j.tmaid.2018.06.009] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2018] [Accepted: 06/08/2018] [Indexed: 10/14/2022]
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25
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Filovirus – Auslöser von hämorrhagischem Fieber. Bundesgesundheitsblatt Gesundheitsforschung Gesundheitsschutz 2018; 61:894-907. [DOI: 10.1007/s00103-018-2757-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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26
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Rey-Jurado E, Tapia F, Muñoz-Durango N, Lay MK, Carreño LJ, Riedel CA, Bueno SM, Genzel Y, Kalergis AM. Assessing the Importance of Domestic Vaccine Manufacturing Centers: An Overview of Immunization Programs, Vaccine Manufacture, and Distribution. Front Immunol 2018; 9:26. [PMID: 29403503 PMCID: PMC5778105 DOI: 10.3389/fimmu.2018.00026] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2017] [Accepted: 01/04/2018] [Indexed: 12/03/2022] Open
Abstract
Vaccines have significantly reduced the detrimental effects of numerous human infectious diseases worldwide, helped to reduce drastically child mortality rates and even achieved eradication of major pathogens, such as smallpox. These achievements have been possible due to a dedicated effort for vaccine research and development, as well as an effective transfer of these vaccines to public health care systems globally. Either public or private institutions have committed to developing and manufacturing vaccines for local or international population supply. However, current vaccine manufacturers worldwide might not be able to guarantee sufficient vaccine supplies for all nations when epidemics or pandemics events could take place. Currently, different countries produce their own vaccine supplies under Good Manufacturing Practices, which include the USA, Canada, China, India, some nations in Europe and South America, such as Germany, the Netherlands, Italy, France, Argentina, and Brazil, respectively. Here, we discuss some of the vaccine programs and manufacturing capacities, comparing the current models of vaccine management between industrialized and developing countries. Because local vaccine production undoubtedly provides significant benefits for the respective population, the manufacture capacity of these prophylactic products should be included in every country as a matter of national safety.
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Affiliation(s)
- Emma Rey-Jurado
- Millennium Institute on Immunology and Immunotherapy, Departamento de Genética Molecular y Microbiología, Facultad de Ciencias Biológicas, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Felipe Tapia
- Max Planck Institute for Dynamics of Complex Technical Systems, Magdeburg, Germany
| | - Natalia Muñoz-Durango
- Millennium Institute on Immunology and Immunotherapy, Departamento de Genética Molecular y Microbiología, Facultad de Ciencias Biológicas, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Margarita K. Lay
- Departamento de Biotecnología, Facultad de Ciencias del Mar y Recursos Biológicos, Universidad de Antofagasta, Antofagasta, Chile
| | - Leandro J. Carreño
- Millennium Institute on Immunology and Immunotherapy, Programa de Inmunología, Instituto de Ciencias Biomédicas, Facultad de Medicina, Universidad de Chile, Santiago, Chile
| | - Claudia A. Riedel
- Millennium Institute on Immunology and Immunotherapy, Departamento de Ciencias Biológicas, Facultad de Ciencias Biológicas y Facultad de Medicina, Universidad Andrés Bello, Santiago, Chile
| | - Susan M. Bueno
- Millennium Institute on Immunology and Immunotherapy, Departamento de Genética Molecular y Microbiología, Facultad de Ciencias Biológicas, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Yvonne Genzel
- Max Planck Institute for Dynamics of Complex Technical Systems, Magdeburg, Germany
| | - Alexis M. Kalergis
- Millennium Institute on Immunology and Immunotherapy, Departamento de Genética Molecular y Microbiología, Facultad de Ciencias Biológicas, Pontificia Universidad Católica de Chile, Santiago, Chile
- Departamento de Endocrinología, Facultad de Medicina, Pontificia Universidad Católica de Chile, Santiago, Chile
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27
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Duehr J, Wohlbold TJ, Oestereich L, Chromikova V, Amanat F, Rajendran M, Gomez-Medina S, Mena I, tenOever BR, García-Sastre A, Basler CF, Munoz-Fontela C, Krammer F. Novel Cross-Reactive Monoclonal Antibodies against Ebolavirus Glycoproteins Show Protection in a Murine Challenge Model. J Virol 2017; 91:e00652-17. [PMID: 28592526 PMCID: PMC5533894 DOI: 10.1128/jvi.00652-17] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2017] [Accepted: 05/28/2017] [Indexed: 11/20/2022] Open
Abstract
Out of an estimated 31,100 cases since their discovery in 1976, ebolaviruses have caused approximately 13,000 deaths. The vast majority (∼11,000) of these occurred during the 2013-2016 West African epidemic. Three out of five species in the genus are known to cause Ebola Virus Disease in humans. Several monoclonal antibodies against the ebolavirus glycoprotein are currently in development as therapeutics. However, there is still a paucity of monoclonal antibodies that can cross-react between the glycoproteins of different ebolavirus species, and the mechanism of these monoclonal antibody therapeutics is still not understood in detail. Here, we generated a panel of eight murine monoclonal antibodies (MAbs) utilizing a prime-boost vaccination regimen with a Zaire ebolavirus glycoprotein expression plasmid followed by infection with a vesicular stomatitis virus expressing the Zaire ebolavirus glycoprotein. We tested the binding breadth of the resulting monoclonal antibodies using a set of recombinant surface glycoproteins from Reston, Taï Forest, Bundibugyo, Zaire, Sudan, and Marburg viruses and found two antibodies that showed pan-ebolavirus binding. An in vivo Stat2-/- mouse model was utilized to test the ability of these MAbs to protect from infection with a vesicular stomatitis virus expressing the Zaire ebolavirus glycoprotein. Several of our antibodies, including the broadly binding ones, protected mice from mortality despite lacking neutralization capability in vitro, suggesting their protection may be mediated by Fc-FcR interactions. Indeed, three antibodies displayed cellular phagocytosis and/or antibody-dependent cell-mediated cytotoxicity in vitro Our antibodies, specifically the two identified cross-reactive monoclonal antibodies (KL-2E5 and KL-2H7), might add to the understanding of anti-ebolavirus humoral immunity.IMPORTANCE This study describes the generation of a panel of novel anti-ebolavirus glycoprotein monoclonal antibodies, including two antibodies with broad cross-reactivity to all known ebolavirus species. The antibodies were raised using a heterologous DNA-viral vector prime-boost regimen, resulting in a high proportion of cross-reactive antibodies (25%). Similar vaccination regimens have been used successfully to induce broad protection against influenza viruses in humans, and our limited data indicate that this might be a useful strategy for filovirus vaccines as well. Several of our antibodies showed protective efficacy when tested in a novel murine challenge model and may be developed into future therapeutics.
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Affiliation(s)
- James Duehr
- Department of Microbiology, Icahn School of Medicine at Mount Sinai, New York, NY, USA
- Graduate School of Biomedical Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Teddy John Wohlbold
- Department of Microbiology, Icahn School of Medicine at Mount Sinai, New York, NY, USA
- Graduate School of Biomedical Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Lisa Oestereich
- Department of Virology, Bernhard Nocht Institute for Tropical Medicine, Hamburg, Germany
| | - Veronika Chromikova
- Department of Microbiology, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Fatima Amanat
- Department of Microbiology, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Madhusudan Rajendran
- Department of Microbiology, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Sergio Gomez-Medina
- Heinrich Pette Institute, Leibniz Institute for Experimental Virology, Hamburg, Germany
| | - Ignacio Mena
- Department of Microbiology, Icahn School of Medicine at Mount Sinai, New York, NY, USA
- Global Health and Emerging Pathogens Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Benjamin R tenOever
- Department of Microbiology, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Adolfo García-Sastre
- Department of Microbiology, Icahn School of Medicine at Mount Sinai, New York, NY, USA
- Global Health and Emerging Pathogens Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA
- Department of Medicine, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Christopher F Basler
- Center for Microbial Pathogenesis, Institute for Biomedical Sciences, Georgia State University, Atlanta, Georgia, USA
| | - Cesar Munoz-Fontela
- Department of Virology, Bernhard Nocht Institute for Tropical Medicine, Hamburg, Germany
- Heinrich Pette Institute, Leibniz Institute for Experimental Virology, Hamburg, Germany
| | - Florian Krammer
- Department of Microbiology, Icahn School of Medicine at Mount Sinai, New York, NY, USA
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28
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Grobusch MP, Goorhuis A. Safety and immunogenicity of a recombinant adenovirus vector-based Ebola vaccine. Lancet 2017; 389:578-580. [PMID: 28017405 DOI: 10.1016/s0140-6736(16)32619-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/08/2016] [Accepted: 12/13/2016] [Indexed: 10/20/2022]
Affiliation(s)
- Martin P Grobusch
- Center of Tropical Medicine and Travel Medicine, Department of Infectious Diseases, Division of Internal Medicine, Academic Medical Center, University of Amsterdam, 1100 DE Amsterdam, The Netherlands; Institute of Tropical Medicine, University of Tübingen, Tübingen, Germany; Lion Heart Medical Research Unit, Yele, Sierra Leone.
| | - Abraham Goorhuis
- Center of Tropical Medicine and Travel Medicine, Department of Infectious Diseases, Division of Internal Medicine, Academic Medical Center, University of Amsterdam, 1100 DE Amsterdam, The Netherlands; Lion Heart Medical Research Unit, Yele, Sierra Leone
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29
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Connor J, Kobinger G, Olinger G. Therapeutics Against Filovirus Infection. Curr Top Microbiol Immunol 2017; 411:263-290. [PMID: 28653190 DOI: 10.1007/82_2017_12] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Therapies for filovirus infections are urgently needed. The paradoxical issue facing therapies is the need for rigorous safety and efficacy testing, adhering to the principle tenant of medicine to do no harm, while responding to the extreme for a treatment option during an outbreak. Supportive care remains a primary goal for infected patients. Years of research into filoviruses has provided possible medical interventions ranging from direct antivirals, host-factor supportive approaches, and passive immunity. As more basic research is directed toward understanding these pathogens and their impact on the host, effective approaches to treat patients during infection will be identified. The ability to manage outbreaks with medical interventions beyond supportive care will require clinical trial design that will balance the benefits of the patient and scientific community.
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Affiliation(s)
- John Connor
- Department of Microbiology, National Emerging Infectious Diseases Laboratories, Boston University School of Medicine, 620 Albany Street, Boston, MA, 02118, USA.
| | - Gary Kobinger
- Department of Microbiology, Immunology and Infectious Diseases, Faculty of Medicine, Universite Laval, 2705 Boulevard Laurier, RC-709, Ville de Québec, QC G1V 4G2, Canada
| | - Gene Olinger
- Department of Medicine, National Emerging Infectious Diseases Laboratories, Boston University School of Medicine, 620 Albaney Street, Boston, MA, 02118, USA
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