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Wu JS, Kan JY, Lai HC, Lin CW. Development of Zika Virus Mini-Replicon Based Single-Round Infectious Particles as Gene Delivery Vehicles. Viruses 2023; 15:1762. [PMID: 37632104 PMCID: PMC10459639 DOI: 10.3390/v15081762] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2023] [Revised: 08/14/2023] [Accepted: 08/16/2023] [Indexed: 08/27/2023] Open
Abstract
Zika virus (ZIKV) is a type of RNA virus that belongs to the Flaviviridae family. We have reported the construction of a DNA-launched replicon of the Asian-lineage Natal RGN strain and the production of single-round infectious particles (SRIPs) via the combination of prM/E virus-like particles with the replicon. The main objective of the study was to engineer the ZIKV replicon as mammalian expression vectors and evaluate the potential of ZIKV mini-replicon-based SRIPs as delivery vehicles for heterologous gene expression in vitro and in vivo. The mini-replicons contained various genetic elements, including NS4B, an NS5 methyltransferase (MTase) domain, and an NS5 RNA-dependent RNA polymerase (RdRp) domain. Among these mini-replicons, only ZIKV mini-replicons 2 and 3, which contained the full NS5 and NS4B-NS5 genetic elements, respectively, exhibited the expression of reporters (green fluorescent protein (GFP) and cyan fluorescent protein-yellow fluorescent fusion protein (CYP)) and generated self-replicating RNAs. When the mini-replicons were transfected into the cells expressing ZIKV prM/E, this led to the production of ZIKV mini-replicon-based SRIPs. ZIKV mini-replicon 3 SRIPs showed a significantly higher yield titer and a greater abundance of self-replicating replicon RNAs when compared to ZIKV mini-replicon 2 SRIPs. Additionally, there were disparities in the dynamics of CYP expression and cytotoxic effects observed in various infected cell types between ZIKV mini-replicon 2-CYP and 3-CYP SRIPs. In particular, ZIKV mini-replicon 3-CYP SRIPs led to a substantial decrease in the survival rates of infected cells at a MOI of 2. An in vivo gene expression assay indicated that hACE2 expression was detected in the lung and brain tissues of mice following the intravenous administration of ZIKV mini-replicon 3-hACE2 SRIPs. Overall, this study highlights the potential of ZIKV mini-replicon-based SRIPs as promising vehicles for gene delivery applications in vitro and in vivo.
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Affiliation(s)
- Joh-Sin Wu
- The PhD Program for Health Science and Industry, China Medical University, Taichung 404333, Taiwan;
- Department of Medical Laboratory Science and Biotechnology, China Medical University, No. 91, Hsueh-Shih Road, Taichung 404333, Taiwan;
| | - Ju-Ying Kan
- Department of Medical Laboratory Science and Biotechnology, China Medical University, No. 91, Hsueh-Shih Road, Taichung 404333, Taiwan;
- The PhD Program of Biotechnology and Biomedical Industry, China Medical University, Taichung 404333, Taiwan
| | - Hsueh-Chou Lai
- Division of Hepato-Gastroenterology, Department of Internal Medicine, China Medical University Hospital, Taichung 404332, Taiwan;
| | - Cheng-Wen Lin
- The PhD Program for Health Science and Industry, China Medical University, Taichung 404333, Taiwan;
- Department of Medical Laboratory Science and Biotechnology, China Medical University, No. 91, Hsueh-Shih Road, Taichung 404333, Taiwan;
- The PhD Program of Biotechnology and Biomedical Industry, China Medical University, Taichung 404333, Taiwan
- Drug Development Center, China Medical University, Taichung 404333, Taiwan
- Department of Medical Laboratory Science and Biotechnology, Asia University, Wufeng, Taichung 413305, Taiwan
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Oreshkova N, Myeni SK, Mishra N, Albulescu IC, Dalebout TJ, Snijder EJ, Bredenbeek PJ, Dallmeier K, Kikkert M. A Yellow Fever 17D Virus Replicon-Based Vaccine Platform for Emerging Coronaviruses. Vaccines (Basel) 2021; 9:1492. [PMID: 34960238 PMCID: PMC8704410 DOI: 10.3390/vaccines9121492] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2021] [Revised: 11/15/2021] [Accepted: 12/13/2021] [Indexed: 01/14/2023] Open
Abstract
The tremendous global impact of the current SARS-CoV-2 pandemic, as well as other current and recent outbreaks of (re)emerging viruses, emphasize the need for fast-track development of effective vaccines. Yellow fever virus 17D (YF17D) is a live-attenuated virus vaccine with an impressive efficacy record in humans, and therefore, it is a very attractive platform for the development of novel chimeric vaccines against various pathogens. In the present study, we generated a YF17D-based replicon vaccine platform by replacing the prM and E surface proteins of YF17D with antigenic subdomains from the spike (S) proteins of three different betacoronaviruses: MERS-CoV, SARS-CoV and MHV. The prM and E proteins were provided in trans for the packaging of these RNA replicons into single-round infectious particles capable of expressing coronavirus antigens in infected cells. YF17D replicon particles expressing the S1 regions of the MERS-CoV and SARS-CoV spike proteins were immunogenic in mice and elicited (neutralizing) antibody responses against both the YF17D vector and the coronavirus inserts. Thus, YF17D replicon-based vaccines, and their potential DNA- or mRNA-based derivatives, may constitute a promising and particularly safe vaccine platform for current and future emerging coronaviruses.
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Affiliation(s)
- Nadia Oreshkova
- Center of Infectious Diseases LU-CID, Department of Medical Microbiology, Leiden University Medical Center, Albinusdreef 2, 2333 ZA Leiden, The Netherlands; (N.O.); (S.K.M.); (I.C.A.); (T.J.D.); (E.J.S.); (P.J.B.)
| | - Sebenzile K. Myeni
- Center of Infectious Diseases LU-CID, Department of Medical Microbiology, Leiden University Medical Center, Albinusdreef 2, 2333 ZA Leiden, The Netherlands; (N.O.); (S.K.M.); (I.C.A.); (T.J.D.); (E.J.S.); (P.J.B.)
| | - Niraj Mishra
- Laboratory of Virology and Chemotherapy, Molecular Vaccinology and Vaccine Discovery, Department of Microbiology, Immunology and Transplantation, Rega Institute, KU Leuven, Herestraat 49 Box 1043, 3000 Leuven, Belgium; (N.M.); (K.D.)
| | - Irina C. Albulescu
- Center of Infectious Diseases LU-CID, Department of Medical Microbiology, Leiden University Medical Center, Albinusdreef 2, 2333 ZA Leiden, The Netherlands; (N.O.); (S.K.M.); (I.C.A.); (T.J.D.); (E.J.S.); (P.J.B.)
| | - Tim J. Dalebout
- Center of Infectious Diseases LU-CID, Department of Medical Microbiology, Leiden University Medical Center, Albinusdreef 2, 2333 ZA Leiden, The Netherlands; (N.O.); (S.K.M.); (I.C.A.); (T.J.D.); (E.J.S.); (P.J.B.)
| | - Eric J. Snijder
- Center of Infectious Diseases LU-CID, Department of Medical Microbiology, Leiden University Medical Center, Albinusdreef 2, 2333 ZA Leiden, The Netherlands; (N.O.); (S.K.M.); (I.C.A.); (T.J.D.); (E.J.S.); (P.J.B.)
| | - Peter J. Bredenbeek
- Center of Infectious Diseases LU-CID, Department of Medical Microbiology, Leiden University Medical Center, Albinusdreef 2, 2333 ZA Leiden, The Netherlands; (N.O.); (S.K.M.); (I.C.A.); (T.J.D.); (E.J.S.); (P.J.B.)
| | - Kai Dallmeier
- Laboratory of Virology and Chemotherapy, Molecular Vaccinology and Vaccine Discovery, Department of Microbiology, Immunology and Transplantation, Rega Institute, KU Leuven, Herestraat 49 Box 1043, 3000 Leuven, Belgium; (N.M.); (K.D.)
| | - Marjolein Kikkert
- Center of Infectious Diseases LU-CID, Department of Medical Microbiology, Leiden University Medical Center, Albinusdreef 2, 2333 ZA Leiden, The Netherlands; (N.O.); (S.K.M.); (I.C.A.); (T.J.D.); (E.J.S.); (P.J.B.)
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Giel-Moloney M, Esteban M, Oakes BH, Vaine M, Asbach B, Wagner R, Mize GJ, Spies AG, McElrath J, Perreau M, Roger T, Ives A, Calandra T, Weiss D, Perdiguero B, Kibler KV, Jacobs B, Ding S, Tomaras GD, Montefiori DC, Ferrari G, Yates NL, Roederer M, Kao SF, Foulds KE, Mayer BT, Bennett C, Gottardo R, Parrington M, Tartaglia J, Phogat S, Pantaleo G, Kleanthous H, Pugachev KV. Recombinant HIV-1 vaccine candidates based on replication-defective flavivirus vector. Sci Rep 2019; 9:20005. [PMID: 31882800 PMCID: PMC6934588 DOI: 10.1038/s41598-019-56550-4] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2019] [Accepted: 12/13/2019] [Indexed: 12/21/2022] Open
Abstract
Multiple approaches utilizing viral and DNA vectors have shown promise in the development of an effective vaccine against HIV. In this study, an alternative replication-defective flavivirus vector, RepliVax (RV), was evaluated for the delivery of HIV-1 immunogens. Recombinant RV-HIV viruses were engineered to stably express clade C virus Gag and Env (gp120TM) proteins and propagated in Vero helper cells. RV-based vectors enabled efficient expression and correct maturation of Gag and gp120TM proteins, were apathogenic in a sensitive suckling mouse neurovirulence test, and were similar in immunogenicity to recombinant poxvirus NYVAC-HIV vectors in homologous or heterologous prime-boost combinations in mice. In a pilot NHP study, immunogenicity of RV-HIV viruses used as a prime or boost for DNA or NYVAC candidates was compared to a DNA prime/NYVAC boost benchmark scheme when administered together with adjuvanted gp120 protein. Similar neutralizing antibody titers, binding IgG titers measured against a broad panel of Env and Gag antigens, and ADCC responses were observed in the groups throughout the course of the study, and T cell responses were elicited. The entire data demonstrate that RV vectors have the potential as novel HIV-1 vaccine components for use in combination with other promising candidates to develop new effective vaccination strategies.
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Affiliation(s)
| | - M Esteban
- Centro Nacional de Biotecnología (CNB-CSIC), Madrid, Spain
| | - B H Oakes
- Sanofi Pasteur, Cambridge, MA, 02139, USA
| | - M Vaine
- Sanofi Pasteur, Cambridge, MA, 02139, USA
| | - B Asbach
- University of Regensburg (UREG), Institute of Medical Microbiology and Hygiene, 93053, Regensburg, Germany
| | - R Wagner
- University of Regensburg (UREG), Institute of Medical Microbiology and Hygiene, 93053, Regensburg, Germany
- University Hospital Regensburg, Institute of Clinical Microbiology and Hygiene, 93053, Regensburg, Germany
| | - G J Mize
- Fred Hutchinson Cancer Research Center (FHCRC), Seattle, WA, 98109, USA
| | - A G Spies
- Fred Hutchinson Cancer Research Center (FHCRC), Seattle, WA, 98109, USA
| | - J McElrath
- Fred Hutchinson Cancer Research Center (FHCRC), Seattle, WA, 98109, USA
| | - M Perreau
- Service of Immunology and Allergy, Department of Medicine, Lausanne University Hospital, 1011, Lausanne, Switzerland
| | - T Roger
- Infectious Diseases Service, Department of Medicine, Lausanne University Hospital, 1011, Lausanne, Switzerland
| | - A Ives
- Infectious Diseases Service, Department of Medicine, Lausanne University Hospital, 1011, Lausanne, Switzerland
| | - T Calandra
- Infectious Diseases Service, Department of Medicine, Lausanne University Hospital, 1011, Lausanne, Switzerland
| | - D Weiss
- Bioqual Inc, Rockville, Maryland, 20850, USA
| | - B Perdiguero
- Centro Nacional de Biotecnología (CNB-CSIC), Madrid, Spain
| | - K V Kibler
- Arizona State University (ASU), Tucson, AZ, 85745, USA
| | - B Jacobs
- Arizona State University (ASU), Tucson, AZ, 85745, USA
| | - S Ding
- EuroVacc, Amsterdam, The Netherlands
| | - G D Tomaras
- Duke University Medical Center, Durham, North Carolina, 27710, USA
| | - D C Montefiori
- Duke University Medical Center, Durham, North Carolina, 27710, USA
| | - G Ferrari
- Duke University Medical Center, Durham, North Carolina, 27710, USA
| | - N L Yates
- Duke University Medical Center, Durham, North Carolina, 27710, USA
| | - M Roederer
- Vaccine Research Center, NIAID, NIH, Bethesda, MD, 20892, USA
| | - S F Kao
- Vaccine Research Center, NIAID, NIH, Bethesda, MD, 20892, USA
| | - K E Foulds
- Vaccine Research Center, NIAID, NIH, Bethesda, MD, 20892, USA
| | - B T Mayer
- Fred Hutchinson Cancer Research Center (FHCRC), Seattle, WA, 98109, USA
| | - C Bennett
- Fred Hutchinson Cancer Research Center (FHCRC), Seattle, WA, 98109, USA
| | - R Gottardo
- Fred Hutchinson Cancer Research Center (FHCRC), Seattle, WA, 98109, USA
| | | | | | - S Phogat
- Sanofi Pasteur, Cambridge, MA, 02139, USA
| | - G Pantaleo
- Service of Immunology and Allergy, Department of Medicine, Lausanne University Hospital, 1011, Lausanne, Switzerland
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