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Dhakal S, Loube J, Misplon JA, Lo CY, Creisher PS, Mulka KR, Deshpande S, Mitzner W, Klein SL, Epstein SL. Effect of an Adenovirus-Vectored Universal Influenza Virus Vaccine on Pulmonary Pathophysiology in a Mouse Model. J Virol 2021; 95:e02359-20. [PMID: 33627390 PMCID: PMC8104105 DOI: 10.1128/jvi.02359-20] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [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: 12/21/2020] [Accepted: 02/17/2021] [Indexed: 11/20/2022] Open
Abstract
Current influenza vaccines, live attenuated or inactivated, do not protect against antigenically novel influenza A viruses (IAVs) of pandemic potential, which has driven interest in the development of universal influenza vaccines. Universal influenza vaccine candidates targeting highly conserved antigens of IAV nucleoprotein (NP) are promising as vaccines that induce T cell immunity, but concerns have been raised about the safety of inducing robust CD8 T cell responses in the lungs. Using a mouse model, we systematically evaluated effects of recombinant adenovirus vectors (rAd) expressing IAV NP (A/NP-rAd) or influenza B virus (IBV) NP (B/NP-rAd) on pulmonary inflammation and function after vaccination and following live IAV challenge. After A/NP-rAd or B/NP-rAd vaccination, female mice exhibited robust systemic and pulmonary vaccine-specific B cell and T cell responses and experienced no morbidity (e.g., body mass loss). Both in vivo pulmonary function testing and lung histopathology scoring revealed minimal adverse effects of intranasal rAd vaccination compared with unvaccinated mice. After IAV challenge, A/NP-rAd-vaccinated mice experienced significantly less morbidity, had lower pulmonary virus titers, and developed less pulmonary inflammation than unvaccinated or B/NP-rAd-vaccinated mice. Based on analysis of pulmonary physiology using detailed testing not previously applied to the question of T cell damage, mice protected by vaccination also had better lung function than controls. Results provide evidence that, in this model, adenoviral universal influenza vaccine does not damage pulmonary tissue. In addition, adaptive immunity, in particular, T cell immunity in the lungs, does not cause damage when restimulated but instead mitigates pulmonary damage following IAV infection.IMPORTANCE Respiratory viruses can emerge and spread rapidly before vaccines are available. It would be a tremendous advance to use vaccines that protect against whole categories of viruses, such as universal influenza vaccines, without the need to predict which virus will emerge. The nucleoprotein (NP) of influenza virus provides a target conserved among strains and is a dominant T cell target. In animals, vaccination to NP generates powerful T cell immunity and long-lasting protection against diverse influenza strains. Concerns have been raised, but not evaluated experimentally, that potent local T cell responses might damage the lungs. We analyzed lung function in detail in the setting of such a vaccination. Despite CD8 T cell responses in the lungs, lungs were not damaged and functioned normally after vaccination alone and were protected upon subsequent infection. This precedent provides important support for vaccines based on T cell-mediated protection, currently being considered for both influenza and SARS-CoV-2 vaccines.
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Affiliation(s)
- Santosh Dhakal
- W. Harry Feinstone Department of Molecular Microbiology and Immunology, The Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, USA
| | - Jeffrey Loube
- Department of Environmental Health and Engineering, The Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, USA
| | - Julia A Misplon
- Division of Cellular and Gene Therapies, Office of Tissues and Advanced Therapies, Center for Biologics Evaluation and Research, U.S. Food and Drug Administration, Silver Spring, Maryland, USA
| | - Chia-Yun Lo
- Division of Cellular and Gene Therapies, Office of Tissues and Advanced Therapies, Center for Biologics Evaluation and Research, U.S. Food and Drug Administration, Silver Spring, Maryland, USA
| | - Patrick S Creisher
- W. Harry Feinstone Department of Molecular Microbiology and Immunology, The Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, USA
| | - Kathleen R Mulka
- Department of Molecular and Comparative Pathobiology, The Johns Hopkins School of Medicine, Baltimore, Maryland, USA
| | - Sharvari Deshpande
- W. Harry Feinstone Department of Molecular Microbiology and Immunology, The Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, USA
| | - Wayne Mitzner
- Department of Environmental Health and Engineering, The Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, USA
| | - Sabra L Klein
- W. Harry Feinstone Department of Molecular Microbiology and Immunology, The Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, USA
| | - Suzanne L Epstein
- Division of Cellular and Gene Therapies, Office of Tissues and Advanced Therapies, Center for Biologics Evaluation and Research, U.S. Food and Drug Administration, Silver Spring, Maryland, USA
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Torikai Y, Sasaki Y, Sasaki K, Kyuno A, Haruta S, Tanimoto A. Evaluation of Systemic and Mucosal Immune Responses Induced by a Nasal Powder Delivery System in Conjunction with an OVA Antigen in Cynomolgus Monkeys. J Pharm Sci 2020; 110:2038-2046. [PMID: 33278410 PMCID: PMC7836740 DOI: 10.1016/j.xphs.2020.11.023] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [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: 09/08/2020] [Revised: 11/20/2020] [Accepted: 11/20/2020] [Indexed: 11/17/2022]
Abstract
An immune response for a nasal ovalbumin (OVA) powder formulation with an applied nasal delivery platform technology, consisting of a powdery nasal carrier and a device, was evaluated in monkeys with similar upper respiratory tracts and immune systems to those of humans, in order to assess the applicability to a vaccine antigen. Nasal distribution and retention studies using a 3D nasal cavity model and manganese-enhanced MRI were conducted by administering nasal dye and manganese powder formulations with the applied technology. Systemic and mucosal immune responses for the nasal OVA powder formulation were evaluated by determining serum IgG and nasal wash IgA antibody titers. The nasal dye and manganese powder formulations showed wider distribution and longer retention time than did a nasal liquid formulation. The nasal OVA powder formulation also showed comparable and higher antigen-specific IgG antibody titer to an injection and nasal liquid formulation, respectively. Furthermore, antigen-specific IgA antibody response was detected only for the nasal OVA powder formulation. The present study suggests that the technology, originally designed for drug absorption, is promising for nasal vaccines, enabling both a mucosal immunity response as the first line of defense and systemic immunity response as a second line of defense against infection.
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Affiliation(s)
- Yusuke Torikai
- Department of Molecular and Cellular Pathology, Kagoshima University Graduate School of Medical and Dental Sciences, 8-35-1 Sakuragaoka, Kagoshima, 850-8544, Japan; R&D Department, TR Company, Shin Nippon Biomedical Laboratories, Ltd., 2438 Miyanoura, Kagoshima, 891-1394, Japan.
| | - Yuji Sasaki
- Department of Pathology, Drug and Safety Research Laboratories, Shin Nippon Biomedical Laboratories, Ltd., 2438 Miyanoura, Kagoshima, 891-1394, Japan
| | - Keita Sasaki
- R&D Department, TR Company, Shin Nippon Biomedical Laboratories, Ltd., 2438 Miyanoura, Kagoshima, 891-1394, Japan
| | - Akifumi Kyuno
- R&D Department, TR Company, Shin Nippon Biomedical Laboratories, Ltd., 2438 Miyanoura, Kagoshima, 891-1394, Japan
| | - Shunji Haruta
- R&D Department, TR Company, Shin Nippon Biomedical Laboratories, Ltd., 2438 Miyanoura, Kagoshima, 891-1394, Japan
| | - Akihide Tanimoto
- Department of Molecular and Cellular Pathology, Kagoshima University Graduate School of Medical and Dental Sciences, 8-35-1 Sakuragaoka, Kagoshima, 850-8544, Japan
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Sun W, Luo T, Liu W, Li J. Progress in the Development of Universal Influenza Vaccines. Viruses 2020; 12:E1033. [PMID: 32957468 DOI: 10.3390/v12091033] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2020] [Revised: 09/11/2020] [Accepted: 09/15/2020] [Indexed: 02/06/2023] Open
Abstract
Influenza viruses pose a significant threat to human health. They are responsible for a large number of deaths annually and have a serious impact on the global economy. There are numerous influenza virus subtypes, antigenic variations occur continuously, and epidemic trends are difficult to predict—all of which lead to poor outcomes of routine vaccination against targeted strain subtypes. Therefore, the development of universal influenza vaccines still constitutes the ideal strategy for controlling influenza. This article reviews the progress in development of universal vaccines directed against the conserved regions of hemagglutinin (HA), neuraminidase (NA), and other structural proteins of influenza viruses using new technologies and strategies with the goals of enhancing our understanding of universal influenza vaccines and providing a reference for research into the exploitation of natural immunity against influenza viruses.
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Plant EP, Manukyan H, Laassri M, Ye Z. Insights from the comparison of genomic variants from two influenza B viruses grown in the presence of human antibodies in cell culture. PLoS One 2020; 15:e0239015. [PMID: 32925936 PMCID: PMC7489522 DOI: 10.1371/journal.pone.0239015] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2020] [Accepted: 08/27/2020] [Indexed: 12/25/2022] Open
Abstract
Understanding the extent and limitation of viral genome evolution can provide insight about potential drug and vaccine targets. Influenza B Viruses (IBVs) infect humans in a seasonal manner and causes significant morbidity and mortality. IBVs are negative-sense single-stranded RNA viruses with a segmented genome and can be divided into two antigenically distinct lineages. The two lineages have been circulating and further evolving for almost four decades. The immune response to IBV infection can lead to antibodies that target the strain causing the infection. Some antibodies are cross-reactive and are able to bind strains from both lineages but, because of antigenic drift and immunodominance, both lineages continue to evolve and challenge human health. Here we investigate changes in the genomes of an IBVs from each lineage after passage in tissue culture in the presence of human sera containing polyclonal antibodies directed toward antigenically and temporally distinct viruses. Our previous analysis of the fourth segment, which encodes the major surface protein HA, revealed a pattern of change in which signature sequences from one lineage mutated to the signature sequences of the other lineage. Here we analyze genes from the other genomic segments and observe that most of the quasispecies’ heterogeneity occurs at the same loci in each lineage. The nature of the variants at these loci are investigated and possible reasons for this pattern are discussed. This work expands our understanding of the extent and limitations of genomic change in IBV.
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Affiliation(s)
- Ewan P. Plant
- Office of Vaccine Research and Review, US Food and Drug Administration, Silver Spring, Maryland, United States of America
- * E-mail:
| | - Hasmik Manukyan
- Office of Vaccine Research and Review, US Food and Drug Administration, Silver Spring, Maryland, United States of America
| | - Majid Laassri
- Office of Vaccine Research and Review, US Food and Drug Administration, Silver Spring, Maryland, United States of America
| | - Zhiping Ye
- Office of Vaccine Research and Review, US Food and Drug Administration, Silver Spring, Maryland, United States of America
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Kirsteina A, Akopjana I, Bogans J, Lieknina I, Jansons J, Skrastina D, Kazaka T, Tars K, Isakova-Sivak I, Mezhenskaya D, Kotomina T, Matyushenko V, Rudenko L, Kazaks A. Construction and Immunogenicity of a Novel Multivalent Vaccine Prototype Based on Conserved Influenza Virus Antigens. Vaccines (Basel) 2020; 8:vaccines8020197. [PMID: 32344753 PMCID: PMC7349063 DOI: 10.3390/vaccines8020197] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [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: 03/30/2020] [Revised: 04/17/2020] [Accepted: 04/21/2020] [Indexed: 02/06/2023] Open
Abstract
Influenza, an acute, highly contagious respiratory disease, remains a significant threat to public health. More effective vaccination strategies aimed at inducing broad cross-protection not only against seasonal influenza variants, but also zoonotic and emerging pandemic influenza strains are urgently needed. A number of conserved protein targets to elicit such cross-protective immunity have been under investigation, with long alpha-helix (LAH) from hemagglutinin stalk and ectodomain of matrix protein 2 ion channel (M2e) being the most studied ones. Recently, we have reported the three-dimensional structure and some practical applications of LAH expressed in Escherichia coli system (referred to as tri-stalk protein). In the present study, we investigated the immunogenicity and efficacy of a panel of broadly protective influenza vaccine prototypes based on both influenza tri-stalk and triple M2e (3M2e) antigens integrated into phage AP205 virus-like particles (VLPs). While VLPs containing the 3M2e alone induced protection against standard homologous and heterologous virus challenge in mice, only the combination of both conserved influenza antigens into a single VLP fully protected mice from a high-dose homologous H1N1 influenza infection. We propose that a combination of genetic fusion and chemical coupling techniques to expose two different foreign influenza antigens on a single particle is a perspective approach for generation of a broadly-effective vaccine candidate that could protect against the constantly emerging influenza virus strains.
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Affiliation(s)
- Anna Kirsteina
- Latvian Biomedical Research and Study Centre, LV-1067 Riga, Latvia; (A.K.); (I.A.); (J.B.); (I.L.); (J.J.); (D.S.); (T.K.); (K.T.)
| | - Inara Akopjana
- Latvian Biomedical Research and Study Centre, LV-1067 Riga, Latvia; (A.K.); (I.A.); (J.B.); (I.L.); (J.J.); (D.S.); (T.K.); (K.T.)
| | - Janis Bogans
- Latvian Biomedical Research and Study Centre, LV-1067 Riga, Latvia; (A.K.); (I.A.); (J.B.); (I.L.); (J.J.); (D.S.); (T.K.); (K.T.)
| | - Ilva Lieknina
- Latvian Biomedical Research and Study Centre, LV-1067 Riga, Latvia; (A.K.); (I.A.); (J.B.); (I.L.); (J.J.); (D.S.); (T.K.); (K.T.)
| | - Juris Jansons
- Latvian Biomedical Research and Study Centre, LV-1067 Riga, Latvia; (A.K.); (I.A.); (J.B.); (I.L.); (J.J.); (D.S.); (T.K.); (K.T.)
| | - Dace Skrastina
- Latvian Biomedical Research and Study Centre, LV-1067 Riga, Latvia; (A.K.); (I.A.); (J.B.); (I.L.); (J.J.); (D.S.); (T.K.); (K.T.)
| | - Tatjana Kazaka
- Latvian Biomedical Research and Study Centre, LV-1067 Riga, Latvia; (A.K.); (I.A.); (J.B.); (I.L.); (J.J.); (D.S.); (T.K.); (K.T.)
| | - Kaspars Tars
- Latvian Biomedical Research and Study Centre, LV-1067 Riga, Latvia; (A.K.); (I.A.); (J.B.); (I.L.); (J.J.); (D.S.); (T.K.); (K.T.)
| | - Irina Isakova-Sivak
- Department of Virology, Institute of Experimental Medicine, Saint Petersburg 197376, Russia; (I.I.-S.); (D.M.); (T.K.); (V.M.); (L.R.)
| | - Daria Mezhenskaya
- Department of Virology, Institute of Experimental Medicine, Saint Petersburg 197376, Russia; (I.I.-S.); (D.M.); (T.K.); (V.M.); (L.R.)
| | - Tatiana Kotomina
- Department of Virology, Institute of Experimental Medicine, Saint Petersburg 197376, Russia; (I.I.-S.); (D.M.); (T.K.); (V.M.); (L.R.)
| | - Victoria Matyushenko
- Department of Virology, Institute of Experimental Medicine, Saint Petersburg 197376, Russia; (I.I.-S.); (D.M.); (T.K.); (V.M.); (L.R.)
| | - Larisa Rudenko
- Department of Virology, Institute of Experimental Medicine, Saint Petersburg 197376, Russia; (I.I.-S.); (D.M.); (T.K.); (V.M.); (L.R.)
| | - Andris Kazaks
- Latvian Biomedical Research and Study Centre, LV-1067 Riga, Latvia; (A.K.); (I.A.); (J.B.); (I.L.); (J.J.); (D.S.); (T.K.); (K.T.)
- Correspondence:
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