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Park SC, Conti L, Franceschi V, Oh B, Yang MS, Ham G, Di Lorenzo A, Bolli E, Cavallo F, Kim B, Donofrio G. Assessment of BoHV-4-based vector vaccine intranasally administered in a hamster challenge model of lung disease. Front Immunol 2023; 14:1197649. [PMID: 37483612 PMCID: PMC10358724 DOI: 10.3389/fimmu.2023.1197649] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2023] [Accepted: 06/05/2023] [Indexed: 07/25/2023] Open
Abstract
Introduction Bovine herpesvirus 4 (BoHV-4) is a bovine Rhadinovirus not associated with a specific pathological lesion or disease and experimentally employed as a viral vector vaccine. BoHV-4-based vector (BoHV-4-BV) has been shown to be effective in immunizing and protecting several animal species when systemically administrated through intramuscular, subcutaneous, intravenous, or intraperitoneal routes. However, whether BoHV-4-BV affords respiratory disease protection when administered intranasally has never been tested. Methods In the present study, recombinant BoHV-4, BoHV-4-A-S-ΔRS-HA-ΔTK, was constructed to deliver an expression cassette for the SARS-CoV-2 spike glycoprotein, and its immunogenicity, as well as its capability to transduce cells of the respiratory tract, were tested in mice. The well-established COVID-19/Syrian hamster model was adopted to test the efficacy of intranasally administered BoHV-4-A-S-ΔRS-HA-ΔTK in protecting against a SARS-CoV-2 challenge. Results The intranasal administration of BoHV-4-A-S-ΔRS-HA-ΔTK elicited protection against SARS-CoV-2, with improved clinical signs, including significant reductions in body weight loss, significant reductions in viral load in the trachea and lungs, and significant reductions in histopathologic lung lesions compared to BoHV-4-A-S-ΔRS-HA-ΔTK administered intramuscularly. Discussion These results suggested that intranasal immunization with BoHV-4-BV induced protective immunity and that BoHV-4-BV could be a potential vaccine platform for the protection of other animal species against respiratory diseases.
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Affiliation(s)
- Seok-Chan Park
- Biosafety Research Institute and Laboratory of Veterinary Pathology, College of Veterinary Medicine, Jeonbuk National University, Iksan, Republic of Korea
| | - Laura Conti
- Department of Molecular Biotechnology and Health Sciences, University of Torino, Torino, Italy
| | | | - Byungkwan Oh
- Biosafety Research Institute and Laboratory of Veterinary Pathology, College of Veterinary Medicine, Jeonbuk National University, Iksan, Republic of Korea
| | - Myeon-Sik Yang
- Biosafety Research Institute and Laboratory of Veterinary Pathology, College of Veterinary Medicine, Jeonbuk National University, Iksan, Republic of Korea
| | - Gaeul Ham
- Biosafety Research Institute and Laboratory of Veterinary Pathology, College of Veterinary Medicine, Jeonbuk National University, Iksan, Republic of Korea
| | - Antonino Di Lorenzo
- Department of Molecular Biotechnology and Health Sciences, University of Torino, Torino, Italy
| | - Elisabetta Bolli
- Department of Molecular Biotechnology and Health Sciences, University of Torino, Torino, Italy
| | - Federica Cavallo
- Department of Molecular Biotechnology and Health Sciences, University of Torino, Torino, Italy
| | - Bumseok Kim
- Biosafety Research Institute and Laboratory of Veterinary Pathology, College of Veterinary Medicine, Jeonbuk National University, Iksan, Republic of Korea
| | - Gaetano Donofrio
- Department of Medical Veterinary Sciences, University of Parma, Parma, Italy
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Xu H, Cai L, Hufnagel S, Cui Z. Intranasal vaccine: Factors to consider in research and development. Int J Pharm 2021; 609:121180. [PMID: 34637935 DOI: 10.1016/j.ijpharm.2021.121180] [Citation(s) in RCA: 38] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2021] [Revised: 10/04/2021] [Accepted: 10/07/2021] [Indexed: 01/01/2023]
Abstract
Most existing vaccines for human use are administered by needle-based injection. Administering vaccines needle-free intranasally has numerous advantages over by needle-based injection, but there are only a few intranasal vaccines that are currently approved for human use, and all of them are live attenuated influenza virus vaccines. Clearly, there are immunological as well as non-immunological challenges that prevent vaccine developers from choosing the intranasal route of administration. We reviewed current approved intranasal vaccines and pipelines and described the target of intranasal vaccines, i.e. nose and lymphoid tissues in the nasal cavity. We then analyzed factors unique to intranasal vaccines that need to be considered when researching and developing new intranasal vaccines. We concluded that while the choice of vaccine formulations, mucoadhesives, mucosal and epithelial permeation enhancers, and ligands that target M-cells are important, safe and effective intranasal mucosal vaccine adjuvants are needed to successfully develop an intranasal vaccine that is not based on live-attenuated viruses or bacteria. Moreover, more effective intranasal vaccine application devices that can efficiently target a vaccine to lymphoid tissues in the nasal cavity as well as preclinical animal models that can better predict intranasal vaccine performance in clinical trials are needed to increase the success rate of intranasal vaccines in clinical trials.
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Affiliation(s)
- Haiyue Xu
- The University of Texas at Austin, College of Pharmacy, Division of Molecular Pharmaceutics and Drug Delivery, Austin, TX, United States
| | - Lucy Cai
- University of Texas Southwestern Medical Center, Dallas, TX, United States
| | - Stephanie Hufnagel
- The University of Texas at Austin, College of Pharmacy, Division of Molecular Pharmaceutics and Drug Delivery, Austin, TX, United States
| | - Zhengrong Cui
- The University of Texas at Austin, College of Pharmacy, Division of Molecular Pharmaceutics and Drug Delivery, Austin, TX, United States.
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Lee JC, Nallani R, Cass L, Bhalla V, Chiu AG, Villwock JA. A Systematic Review of the Neuropathologic Findings of Post-Viral Olfactory Dysfunction: Implications and Novel Insight for the COVID-19 Pandemic. Am J Rhinol Allergy 2021; 35:323-333. [PMID: 32915650 PMCID: PMC10404900 DOI: 10.1177/1945892420957853] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
BACKGROUND Post-viral olfactory dysfunction is a common cause of both short- and long-term smell alteration. The coronavirus pandemic further highlights the importance of post-viral olfactory dysfunction. Currently, a comprehensive review of the neural mechanism underpinning post-viral olfactory dysfunction is lacking. OBJECTIVES To synthesize the existing primary literature related to olfactory dysfunction secondary to viral infection, detail the underlying pathophysiological mechanisms, highlight relevance for the current COVID-19 pandemic, and identify high impact areas of future research. METHODS PubMed and Embase were searched to identify studies reporting primary scientific data on post-viral olfactory dysfunction. Results were supplemented by manual searches. Studies were categorized into animal and human studies for final analysis and summary. RESULTS A total of 38 animal studies and 7 human studies met inclusion criteria and were analyzed. There was significant variability in study design, experimental model, and outcome measured. Viral effects on the olfactory system varies significantly based on viral substrain but generally include damage or alteration in components of the olfactory epithelium and/or the olfactory bulb. CONCLUSIONS The mechanism of post-viral olfactory dysfunction is highly complex, virus-dependent, and involves a combination of insults at multiple levels of the olfactory pathway. This will have important implications for future diagnostic and therapeutic developments for patients infected with COVID-19.
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Affiliation(s)
- Jason C. Lee
- Department of Otolaryngology—Head and Neck Surgery, University of Kansas School of Medicine, Kansas City, Kansas
| | - Rohit Nallani
- Department of Otolaryngology—Head and Neck Surgery, University of Kansas School of Medicine, Kansas City, Kansas
| | - Lauren Cass
- Department of Otolaryngology—Head and Neck Surgery, University of Kansas School of Medicine, Kansas City, Kansas
| | - Vidur Bhalla
- Saint Luke’s Hospital of Kansas City, Kansas City, Missouri
| | - Alexander G. Chiu
- Department of Otolaryngology—Head and Neck Surgery, University of Kansas School of Medicine, Kansas City, Kansas
| | - Jennifer A. Villwock
- Department of Otolaryngology—Head and Neck Surgery, University of Kansas School of Medicine, Kansas City, Kansas
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Pedersen G, Cox R. The mucosal vaccine quandary: intranasal vs. sublingual immunization against influenza. Hum Vaccin Immunother 2012; 8:689-93. [PMID: 22495121 DOI: 10.4161/hv.19568] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
Abstract
Intranasal vaccination can effectively induce both local and systemic immune responses and protect against influenza, but poses a risk of antigen or adjuvant delivery into the central nervous system (CNS). Sublingual vaccine delivery has recently received increased attention as a safer alternative to the intranasal route. Studies comparing the two routes have found that higher immune responses may be induced by intranasal than sublingual administration, possibly as a consequence of the differences in mucosal tissues between the two routes. Here we examine evidence of antigen transport into the CNS following intranasal immunisation and discuss possible reasons for the superiority of the intranasal as compared with the sublingual route in terms of vaccine immunogenicity. We encourage generation of more information on the safety of mucosal adjuvants and propose that the next generation of vaccines and adjuvants may be designed specifically for administration via the different mucosal routes.
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Mori I, Goshima F, Watanabe D, Ito H, Koide N, Yoshida T, Liu B, Kimura Y, Yokochi T, Nishiyama Y. Herpes simplex virus US3 protein kinase regulates virus-induced apoptosis in olfactory and vomeronasal chemosensory neurons in vivo. Microbes Infect 2006; 8:1806-12. [PMID: 16815072 DOI: 10.1016/j.micinf.2006.02.018] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2006] [Revised: 02/14/2006] [Accepted: 02/16/2006] [Indexed: 11/17/2022]
Abstract
A role for the US3 protein kinase of herpes simplex virus (HSV) in regulating virus-induced neuronal apoptosis was investigated in an experimental mouse system, in which wild-type HSV invades the central nervous system (CNS) via the olfactory and vomeronasal systems upon intranasal infection. Wild-type HSV-2 strain 186 infected a fraction of olfactory and vomeronasal chemosensory neurons without inducing apoptosis and was transmitted to the CNS, precipitating lethal encephalitis. In sharp contrast, an US3-disrupted mutant, L1BR1, induced neuronal apoptosis in these peripheral conduits upon infection, blocking viral transmission to the CNS and causing no signs of disease. An US3-repaired mutant, L1B(-)11, behaved similarly to the wild-type virus. Only 5 p.f.u. of L1BR1 was sufficient to compromise mice when the mutant virus was introduced directly into the olfactory bulb, a viral entry site of the CNS. These results suggest that the US3 protein kinase of HSV regulates virus-induced neuronal apoptosis in peripheral conduits and determines the neuroinvasive phenotype of HSV. Furthermore, virus-induced neuronal apoptosis of peripheral nervous system cells may be a protective host response that blocks viral transmission to the CNS.
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Affiliation(s)
- Isamu Mori
- Department of Microbiology and Immunology, Aichi Medical University School of Medicine, Nagakute, Aichi, Japan.
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Mori I, Nishiyama Y, Yokochi T, Kimura Y. Olfactory transmission of neurotropic viruses. J Neurovirol 2005; 11:129-37. [PMID: 16036791 DOI: 10.1080/13550280590922793] [Citation(s) in RCA: 112] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
Olfactory receptor neurons are unique in their anatomical structure and function. Each neuron is directly exposed to the external environment at the site of its dendritic nerve terminals where it is exposed to macromolecules. These molecules can be incorporated into by olfactory receptor neurons and transported transsynaptically to the central nervous system. Certain neurotropic pathogens such as herpes simplex virus and Borna disease virus make use of this physiological mechanism to invade the brain. Here the authors review the olfactory transmission of infectious agents and the resulting hazards to human and animal health.
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Affiliation(s)
- Isamu Mori
- Department of Microbiology and Immunology, Research Center for Infectious Disease, Aichi Medical University School of Medecine, Aichi, Japan.
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Abstract
Human parainfluenza viruses (HPIV) were first discovered in the late 1950s. Over the last decade, considerable knowledge about their molecular structure and function has been accumulated. This has led to significant changes in both the nomenclature and taxonomic relationships of these viruses. HPIV is genetically and antigenically divided into types 1 to 4. Further major subtypes of HPIV-4 (A and B) and subgroups/genotypes of HPIV-1 and HPIV-3 have been described. HPIV-1 to HPIV-3 are major causes of lower respiratory infections in infants, young children, the immunocompromised, the chronically ill, and the elderly. Each subtype can cause somewhat unique clinical diseases in different hosts. HPIV are enveloped and of medium size (150 to 250 nm), and their RNA genome is in the negative sense. These viruses belong to the Paramyxoviridae family, one of the largest and most rapidly growing groups of viruses causing significant human and veterinary disease. HPIV are closely related to recently discovered megamyxoviruses (Hendra and Nipah viruses) and metapneumovirus.
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Affiliation(s)
- Kelly J Henrickson
- Department of Pediatrics Medical College of Wisconsin, Milwaukee, Wisconsin 53226, USA.
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Mori I, Goshima F, Imai Y, Kohsaka S, Sugiyama T, Yoshida T, Yokochi T, Nishiyama Y, Kimura Y. Olfactory receptor neurons prevent dissemination of neurovirulent influenza A virus into the brain by undergoing virus-induced apoptosis. J Gen Virol 2002; 83:2109-2116. [PMID: 12185263 DOI: 10.1099/0022-1317-83-9-2109] [Citation(s) in RCA: 60] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023] Open
Abstract
Olfactory receptor neurons (ORNs) were infected upon intranasal inoculation with the R404BP strain of neurovirulent influenza A virus. Virus-infected neurons and a small fraction of neighbouring uninfected neurons displayed apoptotic neurodegeneration substantiated by the immunohistochemistry for activated caspase-3 molecules and the terminal deoxynucleotidyl transferase-mediated dUTP nick end-labelling method. However, virus infection was restricted within the peripheral neuroepithelium and all mice survived the infection. Virus-infected ORNs revealed upregulated expression of the Fas ligand molecules, activating the c-Jun N-terminal kinase signal transduction pathway. In addition, Iba1-expressing activated microglia/macrophages appeared to partake in phagocytic activities, eventually clearing apoptotic bodies. These results raise the possibility that induction of apoptosis in olfactory receptor neurons at an early stage of infection may provide protective effects against invasion of the neurovirulent virus from the peripheral to the CNS.
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Affiliation(s)
- Isamu Mori
- Laboratory of Virology, Research Institute for Disease Mechanism and Control, Nagoya University School of Medicine, Aichi, Japan3
- Department of Microbiology and Immunology, Aichi Medical University School of Medicine, Aichi, Japan2
- Department of Microbiology, Fukui Medical University School of Medicine, 23-3 Matsuoka-cho, Yoshida-gun, Fukui 910-1193, Japan1
| | - Fumi Goshima
- Laboratory of Virology, Research Institute for Disease Mechanism and Control, Nagoya University School of Medicine, Aichi, Japan3
| | - Yoshinori Imai
- Department of Neurochemistry, National Institute of Neuroscience, Tokyo, Japan4
| | - Shinichi Kohsaka
- Department of Neurochemistry, National Institute of Neuroscience, Tokyo, Japan4
| | - Tsuyoshi Sugiyama
- Department of Microbiology and Immunology, Aichi Medical University School of Medicine, Aichi, Japan2
| | - Tomoaki Yoshida
- Department of Microbiology and Immunology, Aichi Medical University School of Medicine, Aichi, Japan2
| | - Takashi Yokochi
- Department of Microbiology and Immunology, Aichi Medical University School of Medicine, Aichi, Japan2
| | - Yukihiro Nishiyama
- Laboratory of Virology, Research Institute for Disease Mechanism and Control, Nagoya University School of Medicine, Aichi, Japan3
| | - Yoshinobu Kimura
- Department of Microbiology, Fukui Medical University School of Medicine, 23-3 Matsuoka-cho, Yoshida-gun, Fukui 910-1193, Japan1
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Liu B, Mori I, Hossain MJ, Dong L, Kimura Y. Peroral vaccination with a temperature-sensitive mutant of parainfluenza virus type 1 protects mice against respiratory challenge infection. J Gen Virol 2001; 82:2889-2894. [PMID: 11714963 DOI: 10.1099/0022-1317-82-12-2889] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Peroral vaccination for preventing respiratory infectious diseases was investigated in a murine model using a temperature-sensitive (ts) mutant of parainfluenza virus type 1. The ts mutant virus administered perorally in drinking water neither multiplied nor caused lesions in the respiratory tract or the central nervous system. However, ts virus antigen-positive cells appeared in oropharyngeal lymphoid tissues. This type of antigenic stimulation was capable of inducing both humoral and cellular immune responses, together with an augmentation of interferon production and natural killer cell activity, making it possible to protect the mice against challenge infection with a virulent wild-type virus. These results suggest that the oral cavity, a constituent member of the common mucosal immune system, is a candidate organ applicable as a vaccine route against virus respiratory diseases.
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Affiliation(s)
- Beixing Liu
- Department of Microbiology, Fukui Medical University School of Medicine, Shimoaizuki 23-3, Matsuoka-cho, Yoshida-gun, Fukui 910-1193, Japan1
| | - Isamu Mori
- Department of Microbiology, Fukui Medical University School of Medicine, Shimoaizuki 23-3, Matsuoka-cho, Yoshida-gun, Fukui 910-1193, Japan1
| | - Md Jaber Hossain
- Department of Microbiology, Fukui Medical University School of Medicine, Shimoaizuki 23-3, Matsuoka-cho, Yoshida-gun, Fukui 910-1193, Japan1
| | - Li Dong
- Department of Microbiology, Fukui Medical University School of Medicine, Shimoaizuki 23-3, Matsuoka-cho, Yoshida-gun, Fukui 910-1193, Japan1
| | - Yoshinobu Kimura
- Department of Microbiology, Fukui Medical University School of Medicine, Shimoaizuki 23-3, Matsuoka-cho, Yoshida-gun, Fukui 910-1193, Japan1
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Abstract
The neurovirulent WSN strain of influenza A virus, introduced into the olfactory bulb of C57BL/6 mice, selectively attacks several brain nuclei which are highly implicated in the pathogenesis of neuropsychiatric disturbances. The virus-infected neurons are eradicated through apoptotic neurodegeneration. On the other hand, activated microglia serve the neuroprotection against virus infection.
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Affiliation(s)
- I Mori
- Department of Microbiology, Fukui Medical University School of Medicine, Fukui 910-1193, Japan
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