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Perera DJ, Domenech P, Babuadze GG, Naghibosadat M, Alvarez F, Koger-Pease C, Labrie L, Stuible M, Durocher Y, Piccirillo CA, Lametti A, Fiset PO, Elahi SM, Kobinger GP, Gilbert R, Olivier M, Kozak R, Reed MB, Ndao M. BCG administration promotes the long-term protection afforded by a single-dose intranasal adenovirus-based SARS-CoV-2 vaccine. iScience 2023; 26:107612. [PMID: 37670783 PMCID: PMC10475483 DOI: 10.1016/j.isci.2023.107612] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2023] [Revised: 07/19/2023] [Accepted: 08/09/2023] [Indexed: 09/07/2023] Open
Abstract
Recent publications have explored intranasal (i.n.) adenovirus-based (Ad) vaccines as an effective strategy for SARS-CoV-2 in pre-clinical models. However, the effects of prior immunizations and infections have yet to be considered. Here, we investigate the immunomodulatory effects of Mycobacterium bovis BCG pre-immunization followed by vaccination with an S-protein-expressing i.n. Ad, termed Ad(Spike). While i.n. Ad(Spike) retains some protective effect after 6 months, a single administration of BCG-Danish prior to Ad(Spike) potentiates its ability to control viral replication of the B.1.351 SARS-CoV-2 variant within the respiratory tract. Though BCG-Danish did not affect Ad(Spike)-generated humoral immunity, it promoted the generation of cytotoxic/Th1 responses over suppressive FoxP3+ TREG cells in the lungs of infected mice. Thus, this vaccination strategy may prove useful in limiting future pandemics by potentiating the long-term efficacy of mucosal vaccines within the context of the widely distributed BCG vaccine.
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Affiliation(s)
- Dilhan J. Perera
- Division of Experimental Medicine, McGill University, Montréal, QC, Canada
- Infectious Diseases and Immunity in Global Health Program, Research Institute of the McGill University Health Centre, Montréal, QC, Canada
| | - Pilar Domenech
- Infectious Diseases and Immunity in Global Health Program, Research Institute of the McGill University Health Centre, Montréal, QC, Canada
- McGill International TB Centre, McGill University, Montréal, QC, Canada
| | - George Giorgi Babuadze
- Department of Biological Sciences, Sunnybrook Research Institute, University of Toronto, Toronto, ON, Canada
- Department of Microbiology & Immunology, University of Texas Medical Branch, Galveston, TX, USA
| | - Maedeh Naghibosadat
- Department of Biological Sciences, Sunnybrook Research Institute, University of Toronto, Toronto, ON, Canada
| | - Fernando Alvarez
- Infectious Diseases and Immunity in Global Health Program, Research Institute of the McGill University Health Centre, Montréal, QC, Canada
- Department of Microbiology and Immunology, McGill University, Montréal, QC, Canada
| | - Cal Koger-Pease
- Division of Experimental Medicine, McGill University, Montréal, QC, Canada
- Infectious Diseases and Immunity in Global Health Program, Research Institute of the McGill University Health Centre, Montréal, QC, Canada
| | - Lydia Labrie
- Infectious Diseases and Immunity in Global Health Program, Research Institute of the McGill University Health Centre, Montréal, QC, Canada
- Department of Microbiology and Immunology, McGill University, Montréal, QC, Canada
| | - Matthew Stuible
- Department of Production Platforms & Analytics, Human Health Therapeutics Research Center, National Research Council Canada, Montréal, QC, Canada
| | - Yves Durocher
- Department of Production Platforms & Analytics, Human Health Therapeutics Research Center, National Research Council Canada, Montréal, QC, Canada
| | - Ciriaco A. Piccirillo
- Division of Experimental Medicine, McGill University, Montréal, QC, Canada
- Infectious Diseases and Immunity in Global Health Program, Research Institute of the McGill University Health Centre, Montréal, QC, Canada
- Department of Microbiology and Immunology, McGill University, Montréal, QC, Canada
| | - André Lametti
- Department of Pathology, McGill University, Montréal, QC, Canada
| | | | - Seyyed Mehdy Elahi
- Department of Production Platforms & Analytics, Human Health Therapeutics Research Center, National Research Council Canada, Montréal, QC, Canada
| | - Gary P. Kobinger
- Département de Microbiologie-Infectiologie et Immunologie, Faculté de Médecine, Université Laval, Québec, QC, Canada
| | - Rénald Gilbert
- Department of Production Platforms & Analytics, Human Health Therapeutics Research Center, National Research Council Canada, Montréal, QC, Canada
| | - Martin Olivier
- Division of Experimental Medicine, McGill University, Montréal, QC, Canada
- Infectious Diseases and Immunity in Global Health Program, Research Institute of the McGill University Health Centre, Montréal, QC, Canada
- Department of Microbiology and Immunology, McGill University, Montréal, QC, Canada
| | - Robert Kozak
- Department of Biological Sciences, Sunnybrook Research Institute, University of Toronto, Toronto, ON, Canada
- Department of Laboratory Medicine and Molecular Diagnostics, Division of Microbiology, Sunnybrook Health Sciences Centre, Toronto, ON, Canada
| | - Michael B. Reed
- Infectious Diseases and Immunity in Global Health Program, Research Institute of the McGill University Health Centre, Montréal, QC, Canada
- McGill International TB Centre, McGill University, Montréal, QC, Canada
| | - Momar Ndao
- Division of Experimental Medicine, McGill University, Montréal, QC, Canada
- Infectious Diseases and Immunity in Global Health Program, Research Institute of the McGill University Health Centre, Montréal, QC, Canada
- Department of Microbiology and Immunology, McGill University, Montréal, QC, Canada
- National Reference Centre for Parasitology, McGill University Health Centre, Montréal, QC, Canada
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Fausther-Bovendo H, Qiu X, Babuadze GG, Azizi H, Pedersen J, Wong G, Kobinger GP. Transient Liver Damage and Hemolysis Are Associated With an Inhibition of Ebola Virus Glycoprotein-Specific Antibody Response and Lymphopenia. J Infect Dis 2022; 225:1852-1855. [PMID: 34791300 PMCID: PMC9113424 DOI: 10.1093/infdis/jiab552] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2021] [Accepted: 10/27/2021] [Indexed: 11/14/2022] Open
Abstract
Numerous studies have demonstrated the importance of the adaptive immunity for survival following Ebola virus (EBOV) infection. To evaluate the contribution of tissue damage to EBOV-induced immune suppression, acute liver damage or hemolysis, 2 symptoms associated with lethal EBOV infection, were chemically induced in vaccinated mice. Results show that either liver damage or hemolysis was sufficient to inhibit the host humoral response against EBOV glycoprotein and to drastically reduce the level of circulating T cells. This study thus provides a possible mechanism for the limited specific antibody production and lymphopenia in individuals with lethal hemorrhagic fever infections.
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Affiliation(s)
- Hugues Fausther-Bovendo
- Department of Microbiology and Immunology, Faculty of Medicine, Laval University, Quebec, Canada
| | - Xiangguo Qiu
- National Microbiology Laboratory, Public Health Agency of Canada, Winnipeg, Canada
| | - George Giorgi Babuadze
- Department of Microbiology and Immunology, Faculty of Medicine, Laval University, Quebec, Canada
| | - Hiva Azizi
- Department of Microbiology and Immunology, Faculty of Medicine, Laval University, Quebec, Canada
| | - Jannie Pedersen
- Department of Microbiology and Immunology, Faculty of Medicine, Laval University, Quebec, Canada
| | - Gary Wong
- Department of Microbiology and Immunology, Faculty of Medicine, Laval University, Quebec, Canada
- National Microbiology Laboratory, Public Health Agency of Canada, Winnipeg, Canada
| | - Gary P Kobinger
- Department of Microbiology and Immunology, Faculty of Medicine, Laval University, Quebec, Canada
- Department of Pathology and Laboratory Medicine, University of Pennsylvania School 27 of Medicine, Philadelphia, Pennsylvania, USA
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3
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Babuadze GG, Fausther-Bovendo H, deLaVega MA, Lillie B, Naghibosadat M, Shahhosseini N, Joyce MA, Saffran HA, Lorne Tyrrell D, Falzarano D, Senthilkumaran C, Christie-Holmes N, Ahn S, Gray-Owen SD, Banerjee A, Mubareka S, Mossman K, Dupont C, Pedersen J, Lafrance MA, Kobinger GP, Kozak R. Two DNA vaccines protect against severe disease and pathology due to SARS-CoV-2 in Syrian hamsters. NPJ Vaccines 2022; 7:49. [PMID: 35474311 PMCID: PMC9042934 DOI: 10.1038/s41541-022-00461-5] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2021] [Accepted: 02/18/2022] [Indexed: 12/30/2022] Open
Abstract
The SARS-CoV-2 pandemic is an ongoing threat to global health, and wide-scale vaccination is an efficient method to reduce morbidity and mortality. We designed and evaluated two DNA plasmid vaccines, based on the pIDV-II system, expressing the SARS-CoV-2 spike gene, with or without an immunogenic peptide, in mice, and in a Syrian hamster model of infection. Both vaccines demonstrated robust immunogenicity in BALB/c and C57BL/6 mice. Additionally, the shedding of infectious virus and the viral burden in the lungs was reduced in immunized hamsters. Moreover, high-titers of neutralizing antibodies with activity against multiple SARS-CoV-2 variants were generated in immunized animals. Vaccination also protected animals from weight loss during infection. Additionally, both vaccines were effective at reducing both pulmonary and extrapulmonary pathology in vaccinated animals. These data show the potential of a DNA vaccine for SARS-CoV-2 and suggest further investigation in large animal and human studies could be pursued.
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Affiliation(s)
- George Giorgi Babuadze
- grid.17063.330000 0001 2157 2938Biological Sciences Platform, University Toronto, Sunnybrook Research Institute at Sunnybrook Health Sciences Centre, Ontario, ON Canada
| | - Hugues Fausther-Bovendo
- grid.23856.3a0000 0004 1936 8390Département de Microbiologie-Infectiologie et Immunologie, Faculté de Médecine, Université Laval, Quebec City, QC Canada
| | - Marc-Antoine deLaVega
- grid.23856.3a0000 0004 1936 8390Département de Microbiologie-Infectiologie et Immunologie, Faculté de Médecine, Université Laval, Quebec City, QC Canada
| | - Brandon Lillie
- grid.34429.380000 0004 1936 8198Ontario Veterinary College, University of Guelph, Guelph, ON Canada
| | - Maedeh Naghibosadat
- grid.17063.330000 0001 2157 2938Biological Sciences Platform, University Toronto, Sunnybrook Research Institute at Sunnybrook Health Sciences Centre, Ontario, ON Canada
| | - Nariman Shahhosseini
- grid.23856.3a0000 0004 1936 8390Département de Microbiologie-Infectiologie et Immunologie, Faculté de Médecine, Université Laval, Quebec City, QC Canada
| | - Michael A. Joyce
- grid.17089.370000 0001 2190 316XDepartment of Medical Microbiology and Immunology, University of Alberta, Edmonton, AB Canada ,grid.17089.370000 0001 2190 316XLi Ka Shing Institute of Virology, University of Alberta, Edmonton, AB Canada
| | - Holly A. Saffran
- grid.17089.370000 0001 2190 316XDepartment of Medical Microbiology and Immunology, University of Alberta, Edmonton, AB Canada ,grid.17089.370000 0001 2190 316XLi Ka Shing Institute of Virology, University of Alberta, Edmonton, AB Canada
| | - D. Lorne Tyrrell
- grid.17089.370000 0001 2190 316XDepartment of Medical Microbiology and Immunology, University of Alberta, Edmonton, AB Canada ,grid.17089.370000 0001 2190 316XLi Ka Shing Institute of Virology, University of Alberta, Edmonton, AB Canada
| | - Darryl Falzarano
- grid.25152.310000 0001 2154 235XVaccine and Infectious Disease Organization, Department of Veterinary Microbiology, University of Saskatchewan, Saskatoon, SK Canada
| | - Chandrika Senthilkumaran
- grid.17063.330000 0001 2157 2938Biological Sciences Platform, University Toronto, Sunnybrook Research Institute at Sunnybrook Health Sciences Centre, Ontario, ON Canada
| | - Natasha Christie-Holmes
- grid.17063.330000 0001 2157 2938Combined Containment Level 3 Unit, Temerty Faculty of Medicine, University of Toronto, Toronto, ON Canada
| | - Steven Ahn
- grid.17063.330000 0001 2157 2938Department of Molecular Genetics, University of Toronto, Toronto, ON Canada
| | - Scott D. Gray-Owen
- grid.17063.330000 0001 2157 2938Department of Molecular Genetics, University of Toronto, Toronto, ON Canada
| | - Arinjay Banerjee
- grid.25152.310000 0001 2154 235XVaccine and Infectious Disease Organization, Department of Veterinary Microbiology, University of Saskatchewan, Saskatoon, SK Canada
| | - Samira Mubareka
- grid.17063.330000 0001 2157 2938Biological Sciences Platform, University Toronto, Sunnybrook Research Institute at Sunnybrook Health Sciences Centre, Ontario, ON Canada ,grid.413104.30000 0000 9743 1587Department of Laboratory Medicine and Molecular Diagnostics, Division of Microbiology, Sunnybrook Health Sciences Centre, Toronto, ON Canada ,grid.17063.330000 0001 2157 2938Department of Laboratory Medicine and Pathobiology, University of Toronto, Ontario, Canada
| | - Karen Mossman
- grid.25073.330000 0004 1936 8227Department of Medicine, McMaster University, Hamilton, ON Canada
| | - Chanel Dupont
- grid.17063.330000 0001 2157 2938Biological Sciences Platform, University Toronto, Sunnybrook Research Institute at Sunnybrook Health Sciences Centre, Ontario, ON Canada
| | - Jannie Pedersen
- grid.23856.3a0000 0004 1936 8390Département de Microbiologie-Infectiologie et Immunologie, Faculté de Médecine, Université Laval, Quebec City, QC Canada
| | - Mark-Alexandre Lafrance
- grid.23856.3a0000 0004 1936 8390Département de Microbiologie-Infectiologie et Immunologie, Faculté de Médecine, Université Laval, Quebec City, QC Canada
| | - Gary P. Kobinger
- grid.23856.3a0000 0004 1936 8390Département de Microbiologie-Infectiologie et Immunologie, Faculté de Médecine, Université Laval, Quebec City, QC Canada ,grid.21613.370000 0004 1936 9609Department of Medical Microbiology, University of Manitoba, Winnipeg, MB Canada ,grid.25879.310000 0004 1936 8972Department of Pathology and Laboratory Medicine, University of Pennsylvania School of Medicine, Philadelphia, PA USA
| | - Robert Kozak
- grid.17063.330000 0001 2157 2938Biological Sciences Platform, University Toronto, Sunnybrook Research Institute at Sunnybrook Health Sciences Centre, Ontario, ON Canada ,grid.413104.30000 0000 9743 1587Department of Laboratory Medicine and Molecular Diagnostics, Division of Microbiology, Sunnybrook Health Sciences Centre, Toronto, ON Canada ,grid.17063.330000 0001 2157 2938Department of Laboratory Medicine and Pathobiology, University of Toronto, Ontario, Canada
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4
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Babuadze GG, Echanove J, Lamarre C, deLaVega MA, Fausther-Bovendo H, Racine T, M Gomez A, Azizi H, Wade M, Kozak R, Kobinger GP. A novel DNA platform designed for vaccine use with high transgene expression and immunogenicity. Vaccine 2021; 39:7175-7181. [PMID: 34774358 DOI: 10.1016/j.vaccine.2021.10.008] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2020] [Revised: 07/01/2021] [Accepted: 10/06/2021] [Indexed: 11/17/2022]
Abstract
The development of new, low-cost vaccines and effective gene therapies requires accurate delivery and high-level expression of candidate genes. We developed a plasmid vector, pIDV-II, that allows for both easy manipulation and high expression of exogenous genes in mammalian cells. This plasmid is based upon the pVax1 plasmid and shares a common structure with typical mammalian transcription units. It is composed of a chicken β-actin promoter (CAG), followed by an intron and flanked by two restriction sites, and also includes a post-transcriptional regulatory element, followed by a transcriptional termination signal. While the modification of pVax1 elements either decreased eGFP expression levels or had no effect at all, replacement of the promoter, the poly-A signal, deletion of the T7 and AmpR promoters, and inversion of the ORI-Neo/Kan cassette, significantly increased in vitro eGFP expression with the modified plasmid called pIDV-II. To further evaluate our vector, expression levels of three viral antigens were compared in cell lines transfected either with pVax1 or pCAGGS backbones as controls. Higher transgene expression was consistently observed with pIDV-II. The humoral and cellular responses generated in mice immunized with pIDV-II vs pVax1 expressing each viral antigen individually were superior by 2-fold or more as measured by ELISA and ELISPOT assays. Overall these results indicate that pIDV-II induces robust transgene expression, with concomitant improved cellular and humoral immune responses against the transgene of interest over pVax1. The new vector, pIDV-II, offers an additional alternative for DNA based vaccination and gene therapy for animal and human use.
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Affiliation(s)
- George Giorgi Babuadze
- Axe des Maladies Infectieuses et Immunitaires, Centre de Recherche du Centre Hospitalier Universitaire de Québec-Université Laval, Quebec City, Quebec G1V 4G2, Canada
| | - Jose Echanove
- Axe des Maladies Infectieuses et Immunitaires, Centre de Recherche du Centre Hospitalier Universitaire de Québec-Université Laval, Quebec City, Quebec G1V 4G2, Canada
| | - Claude Lamarre
- Axe des Maladies Infectieuses et Immunitaires, Centre de Recherche du Centre Hospitalier Universitaire de Québec-Université Laval, Quebec City, Quebec G1V 4G2, Canada
| | - Marc-Antoine deLaVega
- Axe des Maladies Infectieuses et Immunitaires, Centre de Recherche du Centre Hospitalier Universitaire de Québec-Université Laval, Quebec City, Quebec G1V 4G2, Canada; Département de Microbiologie-Infectiologie et Immunologie, Faculté de Médecine, Université Laval, Quebec City, Quebec G1V 0A6, Canada
| | - Hugues Fausther-Bovendo
- Axe des Maladies Infectieuses et Immunitaires, Centre de Recherche du Centre Hospitalier Universitaire de Québec-Université Laval, Quebec City, Quebec G1V 4G2, Canada
| | - Trina Racine
- Axe des Maladies Infectieuses et Immunitaires, Centre de Recherche du Centre Hospitalier Universitaire de Québec-Université Laval, Quebec City, Quebec G1V 4G2, Canada; Vaccine and Infectious Disease Organization - International Vaccine Centre (VIDO-InterVac), Canada
| | - Alejandro M Gomez
- Axe des Maladies Infectieuses et Immunitaires, Centre de Recherche du Centre Hospitalier Universitaire de Québec-Université Laval, Quebec City, Quebec G1V 4G2, Canada
| | - Hiva Azizi
- Axe des Maladies Infectieuses et Immunitaires, Centre de Recherche du Centre Hospitalier Universitaire de Québec-Université Laval, Quebec City, Quebec G1V 4G2, Canada
| | - Mathew Wade
- Axe des Maladies Infectieuses et Immunitaires, Centre de Recherche du Centre Hospitalier Universitaire de Québec-Université Laval, Quebec City, Quebec G1V 4G2, Canada
| | - Robert Kozak
- Department of Laboratory Medicine and Molecular Diagnostics, Division of Microbiology, Sunnybrook Health Sciences Centre, Toronto, Ontario, Canada; Department of Laboratory Medicine and Pathobiology, University of Toronto, Ontario, Canada
| | - Gary P Kobinger
- Département de Microbiologie-Infectiologie et Immunologie, Faculté de Médecine, Université Laval, Quebec City, Quebec G1V 0A6, Canada; Department of Medical Microbiology, University of Manitoba, Winnipeg, Manitoba, Canada.
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