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van der Meulen K, Smets G, Rüdelsheim P. Viral Replicon Systems and Their Biosafety Aspects. APPLIED BIOSAFETY 2023; 28:102-122. [PMID: 37342518 PMCID: PMC10278005 DOI: 10.1089/apb.2022.0037] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/23/2023]
Abstract
Introduction Viral RNA replicons are self-amplifying RNA molecules generated by deleting genetic information of one or multiple structural proteins of wild-type viruses. Remaining viral RNA is used as such (naked replicon) or packaged into a viral replicon particle (VRP), whereby missing genes or proteins are supplied via production cells. Since replicons mostly originate from pathogenic wild-type viruses, careful risk consideration is crucial. Methods A literature review was performed compiling information on potential biosafety risks of replicons originating from positive- and negative-sense single-stranded RNA viruses (except retroviruses). Results For naked replicons, risk considerations included genome integration, persistence in host cells, generation of virus-like vesicles, and off-target effects. For VRP, the main risk consideration was formation of primary replication competent virus (RCV) as a result of recombination or complementation. To limit the risks, mostly measures aiming at reducing the likelihood of RCV formation have been described. Also, modifying viral proteins in such a way that they do not exhibit hazardous characteristics in the unlikely event of RCV formation has been reported. Discussion and Conclusion Despite multiple approaches developed to reduce the likelihood of RCV formation, scientific uncertainty remains on the actual contribution of the measures and on limitations to test their effectiveness. In contrast, even though effectiveness of each individual measure is unclear, using multiple measures on different aspects of the system may create a solid barrier. Risk considerations identified in the current study can also be used to support risk group assignment of replicon constructs based on a purely synthetic design.
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Wang S, Liang B, Wang W, Li L, Feng N, Zhao Y, Wang T, Yan F, Yang S, Xia X. Viral vectored vaccines: design, development, preventive and therapeutic applications in human diseases. Signal Transduct Target Ther 2023; 8:149. [PMID: 37029123 PMCID: PMC10081433 DOI: 10.1038/s41392-023-01408-5] [Citation(s) in RCA: 33] [Impact Index Per Article: 33.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2022] [Revised: 03/06/2023] [Accepted: 03/14/2023] [Indexed: 04/09/2023] Open
Abstract
Human diseases, particularly infectious diseases and cancers, pose unprecedented challenges to public health security and the global economy. The development and distribution of novel prophylactic and therapeutic vaccines are the prioritized countermeasures of human disease. Among all vaccine platforms, viral vector vaccines offer distinguished advantages and represent prominent choices for pathogens that have hampered control efforts based on conventional vaccine approaches. Currently, viral vector vaccines remain one of the best strategies for induction of robust humoral and cellular immunity against human diseases. Numerous viruses of different families and origins, including vesicular stomatitis virus, rabies virus, parainfluenza virus, measles virus, Newcastle disease virus, influenza virus, adenovirus and poxvirus, are deemed to be prominent viral vectors that differ in structural characteristics, design strategy, antigen presentation capability, immunogenicity and protective efficacy. This review summarized the overall profile of the design strategies, progress in advance and steps taken to address barriers to the deployment of these viral vector vaccines, simultaneously highlighting their potential for mucosal delivery, therapeutic application in cancer as well as other key aspects concerning the rational application of these viral vector vaccines. Appropriate and accurate technological advances in viral vector vaccines would consolidate their position as a leading approach to accelerate breakthroughs in novel vaccines and facilitate a rapid response to public health emergencies.
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Affiliation(s)
- Shen Wang
- Key Laboratory of Jilin Province for Zoonosis Prevention and Control, Changchun Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Changchun, China
| | - Bo Liang
- Key Laboratory of Jilin Province for Zoonosis Prevention and Control, Changchun Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Changchun, China
| | - Weiqi Wang
- Key Laboratory of Jilin Province for Zoonosis Prevention and Control, Changchun Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Changchun, China
- College of Veterinary Medicine, Jilin University, Changchun, China
| | - Ling Li
- China National Research Center for Exotic Animal Diseases, China Animal Health and Epidemiology Center, Qingdao, China
| | - Na Feng
- Key Laboratory of Jilin Province for Zoonosis Prevention and Control, Changchun Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Changchun, China
| | - Yongkun Zhao
- Key Laboratory of Jilin Province for Zoonosis Prevention and Control, Changchun Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Changchun, China
| | - Tiecheng Wang
- Key Laboratory of Jilin Province for Zoonosis Prevention and Control, Changchun Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Changchun, China
| | - Feihu Yan
- Key Laboratory of Jilin Province for Zoonosis Prevention and Control, Changchun Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Changchun, China.
| | - Songtao Yang
- Key Laboratory of Jilin Province for Zoonosis Prevention and Control, Changchun Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Changchun, China.
| | - Xianzhu Xia
- Key Laboratory of Jilin Province for Zoonosis Prevention and Control, Changchun Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Changchun, China.
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Ahmed-Hassan H, Sisson B, Shukla RK, Wijewantha Y, Funderburg NT, Li Z, Hayes D, Demberg T, Liyanage NPM. Innate Immune Responses to Highly Pathogenic Coronaviruses and Other Significant Respiratory Viral Infections. Front Immunol 2020; 11:1979. [PMID: 32973803 PMCID: PMC7468245 DOI: 10.3389/fimmu.2020.01979] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2020] [Accepted: 07/22/2020] [Indexed: 12/13/2022] Open
Abstract
The new pandemic virus SARS-CoV-2 emerged in China and spread around the world in <3 months, infecting millions of people, and causing countries to shut down public life and businesses. Nearly all nations were unprepared for this pandemic with healthcare systems stretched to their limits due to the lack of an effective vaccine and treatment. Infection with SARS-CoV-2 can lead to Coronavirus disease 2019 (COVID-19). COVID-19 is respiratory disease that can result in a cytokine storm with stark differences in morbidity and mortality between younger and older patient populations. Details regarding mechanisms of viral entry via the respiratory system and immune system correlates of protection or pathogenesis have not been fully elucidated. Here, we provide an overview of the innate immune responses in the lung to the coronaviruses MERS-CoV, SARS-CoV, and SARS-CoV-2. This review provides insight into key innate immune mechanisms that will aid in the development of therapeutics and preventive vaccines for SARS-CoV-2 infection.
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Affiliation(s)
- Hanaa Ahmed-Hassan
- Department of Microbial Infection and Immunity, College of Medicine, The Ohio State University, Columbus, OH, United States.,Department of Zoonoses, Faculty of Veterinary Medicine, Cairo University, Giza, Egypt
| | - Brianna Sisson
- Department of Microbial Infection and Immunity, College of Medicine, The Ohio State University, Columbus, OH, United States
| | - Rajni Kant Shukla
- Department of Microbial Infection and Immunity, College of Medicine, The Ohio State University, Columbus, OH, United States
| | - Yasasvi Wijewantha
- Department of Microbial Infection and Immunity, College of Medicine, The Ohio State University, Columbus, OH, United States
| | - Nicholas T Funderburg
- Division of Medical Laboratory Science, School of Health and Rehabilitation Sciences, The Ohio State University, Columbus, OH, United States
| | - Zihai Li
- The James Comprehensive Cancer Center, Pelotonia Institute for Immuno-Oncology, The Ohio State University, Columbus, OH, United States
| | - Don Hayes
- Division of Pulmonary Medicine, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, United States.,Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, OH, United States
| | | | - Namal P M Liyanage
- Department of Microbial Infection and Immunity, College of Medicine, The Ohio State University, Columbus, OH, United States.,Department of Veterinary Biosciences, College of Veterinary Medicine, Ohio State University, Columbus, OH, United States.,Infectious Diseases Institute, The Ohio State University, Columbus, OH, United States
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Nagatake T, Suzuki H, Hirata SI, Matsumoto N, Wada Y, Morimoto S, Nasu A, Shimojou M, Kawano M, Ogami K, Tsujimura Y, Kuroda E, Iijima N, Hosomi K, Ishii KJ, Nosaka T, Yasutomi Y, Kunisawa J. Immunological association of inducible bronchus-associated lymphoid tissue organogenesis in Ag85B-rHPIV2 vaccine-induced anti-tuberculosis mucosal immune responses in mice. Int Immunol 2019; 30:471-481. [PMID: 30011025 PMCID: PMC6153728 DOI: 10.1093/intimm/dxy046] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2018] [Accepted: 07/12/2018] [Indexed: 12/30/2022] Open
Abstract
We previously reported that Ag85B-expressing human parainfluenza type 2 virus (Ag85B-rHPIV2) was effective as a nasal vaccine against tuberculosis in mice; however, the mechanism by which it induces an immune response remains to be investigated. In the present study, we found that organogenesis of inducible bronchus-associated lymphoid tissue (iBALT) played a role in the induction of antigen-specific T cells and IgA antibody responses in the lung of mice intra-nasally administered Ag85B-rHPIV2. We found that expression of Ag85B was dispensable for the development of iBALT, suggesting that HPIV2 acted as an iBALT-inducing vector. When iBALT organogenesis was disrupted in Ag85B-rHPIV2-immunized mice, either by neutralization of the lymphotoxin pathway or depletion of CD11b+ cells, Ag85B-specific immune responses (i.e. IFN γ-producing T cells and IgA antibody) were diminished in the lung. Furthermore, we found that immunization with Ag85B-rHPIV2 induced neutrophil and eosinophil infiltration temporally after the immunization in the lung. Thus, our results show that iBALT organogenesis contributes to the induction of antigen-specific immune responses by Ag85B-rHPIV2 and that Ag85B-rHPIV2 provokes its immune responses without inducing long-lasting inflammation.
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Affiliation(s)
- Takahiro Nagatake
- Laboratory of Vaccine Materials, Center for Vaccine and Adjuvant Research, and Laboratory of Gut Environmental System, National Institutes of Biomedical Innovation, Health and Nutrition (NIBIOHN), Ibaraki, Osaka, Japan
| | - Hidehiko Suzuki
- Laboratory of Vaccine Materials, Center for Vaccine and Adjuvant Research, and Laboratory of Gut Environmental System, National Institutes of Biomedical Innovation, Health and Nutrition (NIBIOHN), Ibaraki, Osaka, Japan
| | - So-Ichiro Hirata
- Laboratory of Vaccine Materials, Center for Vaccine and Adjuvant Research, and Laboratory of Gut Environmental System, National Institutes of Biomedical Innovation, Health and Nutrition (NIBIOHN), Ibaraki, Osaka, Japan.,Department of Microbiology and Immunology, Kobe University Graduate School of Medicine, Chuo-ku, Kobe, Hyogo, Japan
| | - Naomi Matsumoto
- Laboratory of Vaccine Materials, Center for Vaccine and Adjuvant Research, and Laboratory of Gut Environmental System, National Institutes of Biomedical Innovation, Health and Nutrition (NIBIOHN), Ibaraki, Osaka, Japan
| | - Yasuko Wada
- Laboratory of Vaccine Materials, Center for Vaccine and Adjuvant Research, and Laboratory of Gut Environmental System, National Institutes of Biomedical Innovation, Health and Nutrition (NIBIOHN), Ibaraki, Osaka, Japan.,Graduate School of Pharmaceutical Sciences, Osaka University, Suita, Osaka, Japan
| | - Sakiko Morimoto
- Laboratory of Vaccine Materials, Center for Vaccine and Adjuvant Research, and Laboratory of Gut Environmental System, National Institutes of Biomedical Innovation, Health and Nutrition (NIBIOHN), Ibaraki, Osaka, Japan
| | - Ayaka Nasu
- Laboratory of Vaccine Materials, Center for Vaccine and Adjuvant Research, and Laboratory of Gut Environmental System, National Institutes of Biomedical Innovation, Health and Nutrition (NIBIOHN), Ibaraki, Osaka, Japan
| | - Michiko Shimojou
- Laboratory of Vaccine Materials, Center for Vaccine and Adjuvant Research, and Laboratory of Gut Environmental System, National Institutes of Biomedical Innovation, Health and Nutrition (NIBIOHN), Ibaraki, Osaka, Japan
| | - Mitsuo Kawano
- Department of Microbiology and Molecular Genetics, Mie University Graduate School of Medicine, Tsu, Mie, Japan
| | - Kentaro Ogami
- Laboratory of Immunoregulation and Vaccine Research, Tsukuba Primate Research Center, NIBIOHN, Hachimandai, Tsukuba, Ibaraki, Japan
| | - Yusuke Tsujimura
- Laboratory of Immunoregulation and Vaccine Research, Tsukuba Primate Research Center, NIBIOHN, Hachimandai, Tsukuba, Ibaraki, Japan
| | - Etsushi Kuroda
- Laboratory of Vaccine Science, WPI Immunology Frontier Research Center, Osaka University, Osaka, Japan.,Laboratory of Adjuvant Innovation, Center for Vaccine and Adjuvant Research, NIBIOHN, Ibaraki, Osaka, Japan
| | - Norifumi Iijima
- Laboratory of Vaccine Science, WPI Immunology Frontier Research Center, Osaka University, Osaka, Japan.,Laboratory of Adjuvant Innovation, Center for Vaccine and Adjuvant Research, NIBIOHN, Ibaraki, Osaka, Japan
| | - Koji Hosomi
- Laboratory of Vaccine Materials, Center for Vaccine and Adjuvant Research, and Laboratory of Gut Environmental System, National Institutes of Biomedical Innovation, Health and Nutrition (NIBIOHN), Ibaraki, Osaka, Japan
| | - Ken J Ishii
- Laboratory of Vaccine Science, WPI Immunology Frontier Research Center, Osaka University, Osaka, Japan.,Laboratory of Adjuvant Innovation, Center for Vaccine and Adjuvant Research, NIBIOHN, Ibaraki, Osaka, Japan
| | - Tetsuya Nosaka
- Department of Microbiology and Molecular Genetics, Mie University Graduate School of Medicine, Tsu, Mie, Japan
| | - Yasuhiro Yasutomi
- Laboratory of Immunoregulation and Vaccine Research, Tsukuba Primate Research Center, NIBIOHN, Hachimandai, Tsukuba, Ibaraki, Japan
| | - Jun Kunisawa
- Laboratory of Vaccine Materials, Center for Vaccine and Adjuvant Research, and Laboratory of Gut Environmental System, National Institutes of Biomedical Innovation, Health and Nutrition (NIBIOHN), Ibaraki, Osaka, Japan.,Department of Microbiology and Immunology, Kobe University Graduate School of Medicine, Chuo-ku, Kobe, Hyogo, Japan.,Graduate School of Pharmaceutical Sciences, Osaka University, Suita, Osaka, Japan.,Division of Mucosal Immunology, Department of Microbiology and Immunology and International Research and Development Center for Mucosal Vaccines, The Institute of Medical Science, The University of Tokyo, Minato-ku, Tokyo, Japan.,Graduate School of Medicine, Graduate School of Dentistry, Osaka University, Suita, Osaka, Japan
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Ohtsuka J, Fukumura M, Tsurudome M, Hara K, Nishio M, Kawano M, Nosaka T. Vero/BC-F: an efficient packaging cell line stably expressing F protein to generate single round-infectious human parainfluenza virus type 2 vector. Gene Ther 2014; 21:775-84. [PMID: 24942630 DOI: 10.1038/gt.2014.55] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2013] [Revised: 05/08/2014] [Accepted: 05/12/2014] [Indexed: 01/21/2023]
Abstract
A stable packaging cell line (Vero/BC-F) constitutively expressing fusion (F) protein of the human parainfluenza virus type 2 (hPIV2) was established for production of the F-defective and single round-infectious hPIV2 vector in a strategy for recombinant vaccine development. The F gene expression has not evoked cytostatic or cytotoxic effects on the Vero/BC-F cells and the F protein was physiologically active to induce syncytial formation with giant polykaryocytes when transfected with a plasmid expressing hPIV2 hemagglutinin-neuraminidase (HN). Transduction of the F-defective replicon RNA into the Vero/BC-F cells led to the release of the infectious particles that packaged the replicon RNA (named as hPIV2ΔF) without detectable mutations, limiting the infectivity to a single round. The maximal titer of the hPIV2ΔF was 6.0 × 10(8) median tissue culture infections dose per ml. The influenza A virus M2 gene was inserted into hPIV2ΔF, and the M2 protein was found to be highly expressed in a human lung cancer cell line after transduction. Furthermore, in vivo airway infection experiments revealed that the hPIV2ΔF was capable of delivering transgenes to hamster tracheal cells. Thus, non-transmissible or single round-infectious hPIV2 vector will be potentially applicable to human gene therapy or recombinant vaccine development.
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Affiliation(s)
- J Ohtsuka
- 1] Department of Microbiology and Molecular Genetics, Mie University Graduate School of Medicine, Tsu, Japan [2] Biocomo Inc., Komono, Komono-cho, Mie, Japan
| | - M Fukumura
- 1] Department of Microbiology and Molecular Genetics, Mie University Graduate School of Medicine, Tsu, Japan [2] Biocomo Inc., Komono, Komono-cho, Mie, Japan
| | - M Tsurudome
- Department of Microbiology and Molecular Genetics, Mie University Graduate School of Medicine, Tsu, Japan
| | - K Hara
- Department of Microbiology and Molecular Genetics, Mie University Graduate School of Medicine, Tsu, Japan
| | - M Nishio
- Department of Microbiology and Molecular Genetics, Mie University Graduate School of Medicine, Tsu, Japan
| | - M Kawano
- Department of Microbiology and Molecular Genetics, Mie University Graduate School of Medicine, Tsu, Japan
| | - T Nosaka
- Department of Microbiology and Molecular Genetics, Mie University Graduate School of Medicine, Tsu, Japan
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