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Lu Z, Yu S, Wang W, Chen W, Wang X, Wu K, Li X, Fan S, Ding H, Yi L, Chen J. Development of Foot-and-Mouth Disease Vaccines in Recent Years. Vaccines (Basel) 2022; 10:1817. [PMID: 36366327 PMCID: PMC9693445 DOI: 10.3390/vaccines10111817] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2022] [Revised: 10/24/2022] [Accepted: 10/26/2022] [Indexed: 12/20/2023] Open
Abstract
Foot-and-mouth disease (FMD) is a serious disease affecting the global graziery industry. Once an epidemic occurs, it can lead to economic and trade stagnation. In recent decades, FMD has been effectively controlled and even successfully eradicated in some countries or regions through mandatory vaccination with inactivated foot-and-mouth disease vaccines. Nevertheless, FMD still occurs in some parts of Africa and Asia. The transmission efficiency of foot-and-mouth disease is high. Both disease countries and disease-free countries should always be prepared to deal with outbreaks of FMD. The development of vaccines has played a key role in this regard. This paper summarizes the development of several promising vaccines including progress and design ideas. It also provides ways to develop a new generation of vaccines for FMDV and other major diseases.
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Affiliation(s)
- Zhimin Lu
- College of Veterinary Medicine, South China Agricultural University, No. 483 Wushan Road, Tianhe District, Guangzhou 510642, China
- Guangdong Laboratory for Lingnan Modern Agriculture, College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, China
- Key Laboratory of Zoonosis Prevention and Control of Guangdong Province, Guangzhou 510642, China
| | - Shu Yu
- College of Veterinary Medicine, South China Agricultural University, No. 483 Wushan Road, Tianhe District, Guangzhou 510642, China
- Guangdong Laboratory for Lingnan Modern Agriculture, College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, China
- Key Laboratory of Zoonosis Prevention and Control of Guangdong Province, Guangzhou 510642, China
| | - Weijun Wang
- College of Veterinary Medicine, South China Agricultural University, No. 483 Wushan Road, Tianhe District, Guangzhou 510642, China
- Guangdong Laboratory for Lingnan Modern Agriculture, College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, China
- Key Laboratory of Zoonosis Prevention and Control of Guangdong Province, Guangzhou 510642, China
| | - Wenxian Chen
- College of Veterinary Medicine, South China Agricultural University, No. 483 Wushan Road, Tianhe District, Guangzhou 510642, China
- Guangdong Laboratory for Lingnan Modern Agriculture, College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, China
- Key Laboratory of Zoonosis Prevention and Control of Guangdong Province, Guangzhou 510642, China
| | - Xinyan Wang
- College of Veterinary Medicine, South China Agricultural University, No. 483 Wushan Road, Tianhe District, Guangzhou 510642, China
- Guangdong Laboratory for Lingnan Modern Agriculture, College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, China
- Key Laboratory of Zoonosis Prevention and Control of Guangdong Province, Guangzhou 510642, China
| | - Keke Wu
- College of Veterinary Medicine, South China Agricultural University, No. 483 Wushan Road, Tianhe District, Guangzhou 510642, China
- Guangdong Laboratory for Lingnan Modern Agriculture, College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, China
- Key Laboratory of Zoonosis Prevention and Control of Guangdong Province, Guangzhou 510642, China
| | - Xiaowen Li
- College of Veterinary Medicine, South China Agricultural University, No. 483 Wushan Road, Tianhe District, Guangzhou 510642, China
- Guangdong Laboratory for Lingnan Modern Agriculture, College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, China
- Key Laboratory of Zoonosis Prevention and Control of Guangdong Province, Guangzhou 510642, China
| | - Shuangqi Fan
- College of Veterinary Medicine, South China Agricultural University, No. 483 Wushan Road, Tianhe District, Guangzhou 510642, China
- Guangdong Laboratory for Lingnan Modern Agriculture, College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, China
- Key Laboratory of Zoonosis Prevention and Control of Guangdong Province, Guangzhou 510642, China
| | - Hongxing Ding
- College of Veterinary Medicine, South China Agricultural University, No. 483 Wushan Road, Tianhe District, Guangzhou 510642, China
- Guangdong Laboratory for Lingnan Modern Agriculture, College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, China
- Key Laboratory of Zoonosis Prevention and Control of Guangdong Province, Guangzhou 510642, China
| | - Lin Yi
- College of Veterinary Medicine, South China Agricultural University, No. 483 Wushan Road, Tianhe District, Guangzhou 510642, China
- Guangdong Laboratory for Lingnan Modern Agriculture, College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, China
- Key Laboratory of Zoonosis Prevention and Control of Guangdong Province, Guangzhou 510642, China
| | - Jingding Chen
- College of Veterinary Medicine, South China Agricultural University, No. 483 Wushan Road, Tianhe District, Guangzhou 510642, China
- Guangdong Laboratory for Lingnan Modern Agriculture, College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, China
- Key Laboratory of Zoonosis Prevention and Control of Guangdong Province, Guangzhou 510642, China
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Ziraldo M, Bidart JE, Prato CA, Tribulatti MV, Zamorano P, Mattion N, D’Antuono AL. Optimized Adenoviral Vector That Enhances the Assembly of FMDV O1 Virus-Like Particles in situ Increases Its Potential as Vaccine for Serotype O Viruses. Front Microbiol 2020; 11:591019. [PMID: 33250878 PMCID: PMC7672010 DOI: 10.3389/fmicb.2020.591019] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2020] [Accepted: 09/28/2020] [Indexed: 12/27/2022] Open
Abstract
Although replication-defective human adenovirus type 5 (Ad5) vectors that express in situ the capsid-encoding region of foot-and-mouth disease virus (FMDV) have been proven to be effective as vaccines in relevant species for several viral strains, the same result was not consistently achieved for the O1/Campos/Brazil/58 strain. In the present study, an optimization of the Ad5 system was explored and was proven to enhance the expression of FMDV capsid proteins and their association into virus-like particles (VLPs). Particularly, we engineered a novel Ad5 vector (Ad5[PVP2]OP) which harbors the foreign transcription unit in a leftward orientation relative to the Ad5 genome, and drives the expression of the FMDV sequences from an optimized cytomegalovirus (CMV) enhancer-promoter as well. The Ad5[PVP2]OP vaccine candidate also contains the amino acid substitutions S93F/Y98F in the VP2 protein coding sequence, predicted to stabilize FMD virus particles. Cells infected with the optimized vector showed an ∼14-fold increase in protein expression as compared to cells infected with an unmodified Ad5 vector tested in previous works. Furthermore, amino acid substitutions in VP2 protein allowed the assembly of FMDV O1/Campos/Brazil/58 VLPs. Evaluation of several serological parameters in inoculated mice with the optimized Ad5[PVP2]OP candidate revealed an enhanced vaccine performance, characterized by significant higher titers of neutralizing antibodies, as compared to our previous unmodified Ad5 vector. Moreover, 94% of the mice vaccinated with the Ad5[PVP2]OP candidate were protected from homologous challenge. These results indicate that both the optimized protein expression and the stabilization of the in situ generated VLPs improved the performance of Ad5-vectored vaccines against the FMDV O1/Campos/Brazil/58 strain and open optimistic expectations to be tested in target animals.
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Affiliation(s)
- Micaela Ziraldo
- Centro de Virología Animal, Consejo Nacional de Investigaciones Científicas y Técnicas, Buenos Aires, Argentina
| | - Juan E. Bidart
- Instituto de Virología e Innovaciones Tecnológicas, Centro de Investigaciones en Ciencias Veterinarias, Instituto Nacional de Tecnología Agropecuaria, Consejo Nacional de Investigaciones Científicas y Técnicas, Buenos Aires, Argentina
| | - Cecilia A. Prato
- Laboratorio de Inmunología Molecular, Instituto de Investigaciones Biotecnológicas, Universidad Nacional de San Martín, Consejo Nacional de Investigaciones Científicas y Técnicas, Buenos Aires, Argentina
| | - María V. Tribulatti
- Laboratorio de Inmunología Molecular, Instituto de Investigaciones Biotecnológicas, Universidad Nacional de San Martín, Consejo Nacional de Investigaciones Científicas y Técnicas, Buenos Aires, Argentina
| | - Patricia Zamorano
- Instituto de Virología e Innovaciones Tecnológicas, Centro de Investigaciones en Ciencias Veterinarias, Instituto Nacional de Tecnología Agropecuaria, Consejo Nacional de Investigaciones Científicas y Técnicas, Buenos Aires, Argentina
| | - Nora Mattion
- Centro de Virología Animal, Consejo Nacional de Investigaciones Científicas y Técnicas, Buenos Aires, Argentina
| | - Alejandra L. D’Antuono
- Centro de Virología Animal, Consejo Nacional de Investigaciones Científicas y Técnicas, Buenos Aires, Argentina
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Jouneau L, Lefebvre DJ, Costa F, Romey A, Blaise-Boisseau S, Relmy A, Jaszczyszyn Y, Dard-Dascot C, Déjean S, Versillé N, Guitton E, Hudelet P, Curet M, De Clercq K, Bakkali-Kassimi L, Zientara S, Klonjkowski B, Schwartz-Cornil I. The antibody response induced FMDV vaccines in sheep correlates with early transcriptomic responses in blood. NPJ Vaccines 2020; 5:1. [PMID: 31908850 PMCID: PMC6941976 DOI: 10.1038/s41541-019-0151-3] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2019] [Accepted: 11/29/2019] [Indexed: 11/09/2022] Open
Abstract
Foot and mouth disease (FMD) is a highly contagious viral disease with high economic impact, representing a major threat for cloven-hooved mammals worldwide. Vaccines based on adjuvanted inactivated virus (iFMDV) induce effective protective immunity implicating antibody (Ab) responses. To reduce the biosafety constraints of the manufacturing process, a non-replicative human adenovirus type 5 vector encoding FMDV antigens (Ad5-FMDV) has been developed. Here we compared the immunogenicity of iFMDV and Ad5-FMDV with and without the ISA206VG emulsion-type adjuvant in sheep. Contrasted Ab responses were obtained: iFMDV induced the highest Ab levels, Ad5-FMDV the lowest ones, and ISA206VG increased the Ad5-FMDV-induced Ab responses to protective levels. Each vaccine generated heterogeneous Ab responses, with high and low responders, the latter being considered as obstacles to vaccine effectiveness. A transcriptomic study on total blood responses at 24 h post-vaccination revealed several blood gene module activities correlating with long-term Ab responses. Downmodulation of T cell modules’ activities correlated with high responses to iFMDV and to Ad5-FMDV+ISA206VG vaccines as also found in other systems vaccinology studies in humans and sheep. The impact of cell cycle activity depended on the vaccine types, as it positively correlated with higher responses to iFMDV but negatively to non-adjuvanted Ad5-FMDV. Finally an elevated B cell activity at 24 h correlated with high Ab responses to the Ad5-FMDV+ISA206VG vaccine. This study provides insights into the early mechanisms driving the Ab response induced by different vaccine regimens including Ad5 vectors and points to T cell modules as early biomarker candidates of different vaccine-type efficacy across species. Foot and mouth disease virus (FMDV) is a serious pathogen of cloven hoofed mammals and is of high economic and veterinary importance. Inactivated vaccine (iFMDV) is effective but difficult to produce because of high biosafety level requirements; non-replicating adenovirus vectors carrying key FMDV antigens (Ad5-FMDV) might therefore represent an attractive alternative. Isabelle Schwartz-Cornil and colleagues use sheep to systematically compare vaccination with adjuvanted iFMDV, adjuvanted Ad5-FMDV, or non-adjuvanted Ad5-FMDV. All vaccines produce neutralizing antibody responses which are stable to at least one year, however the iFMDV group elicits the strongest response, followed by the adjuvanted Ad5-FMDV. Ad5-FMDV alone produces weak antibody titers. Blood transcriptomic analysis performed in the first 24 h following vaccination identifies a reduced T cell gene expression module as a correlate of high neutralizing antibody titers. Blood gene expression might therefore offer insights into the mechanistic underpinnings of humoral immunity as well as provide useful biomarker correlates of protection.
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Affiliation(s)
- Luc Jouneau
- Université Paris-Saclay, INRA, VIM, Domaine de Vilvert, 78350 Jouy-en-Josas, France
| | - David J Lefebvre
- Sciensano, Scientific Direction of Infectious Diseases in Animals, Service for Exotic Viruses and Particular Diseases, Groeselenberg 99, 1180 Brussels, Belgium
| | - Fleur Costa
- Université Paris-Est, ANSES, Ecole Nationale Vétérinaire d'Alfort, INRA, Laboratoire de santé animale, UMR Virologie, Maisons-Alfort, France
| | - Aurore Romey
- Université Paris-Est, ANSES, Ecole Nationale Vétérinaire d'Alfort, INRA, Laboratoire de santé animale, UMR Virologie, Maisons-Alfort, France
| | - Sandra Blaise-Boisseau
- Université Paris-Est, ANSES, Ecole Nationale Vétérinaire d'Alfort, INRA, Laboratoire de santé animale, UMR Virologie, Maisons-Alfort, France
| | - Anthony Relmy
- Université Paris-Est, ANSES, Ecole Nationale Vétérinaire d'Alfort, INRA, Laboratoire de santé animale, UMR Virologie, Maisons-Alfort, France
| | - Yan Jaszczyszyn
- 4Université Paris-Saclay, Université Paris-Sud, CNRS, CEA, Institute for Integrative Biology of the Cell (I2BC), Gif-sur-Yvette, France
| | - Cloelia Dard-Dascot
- 4Université Paris-Saclay, Université Paris-Sud, CNRS, CEA, Institute for Integrative Biology of the Cell (I2BC), Gif-sur-Yvette, France
| | - Sébastien Déjean
- 5Université de Toulouse, Université Paul Sabatier, CNRS, Institut de Mathématiques de Toulouse, UMR5219, 31062 Toulouse Cedex, France
| | | | - Edouard Guitton
- INRA, Plate-Forme d'Infectiologie Expérimentale (PFIE), UE1277, 37380 Nouzilly, France
| | - Pascal Hudelet
- 8Merial S.A.S., 29 Avenue Tony Garnier, 69007 Lyon, France
| | - Marianne Curet
- 8Merial S.A.S., 29 Avenue Tony Garnier, 69007 Lyon, France
| | - Kris De Clercq
- Sciensano, Scientific Direction of Infectious Diseases in Animals, Service for Exotic Viruses and Particular Diseases, Groeselenberg 99, 1180 Brussels, Belgium
| | - Labib Bakkali-Kassimi
- Université Paris-Est, ANSES, Ecole Nationale Vétérinaire d'Alfort, INRA, Laboratoire de santé animale, UMR Virologie, Maisons-Alfort, France
| | - Stéphan Zientara
- Université Paris-Est, ANSES, Ecole Nationale Vétérinaire d'Alfort, INRA, Laboratoire de santé animale, UMR Virologie, Maisons-Alfort, France
| | - Bernard Klonjkowski
- Université Paris-Est, ANSES, Ecole Nationale Vétérinaire d'Alfort, INRA, Laboratoire de santé animale, UMR Virologie, Maisons-Alfort, France
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Sreenivasa B, Mohapatra J, Pauszek S, Koster M, Dhanya V, Tamil Selvan R, Hosamani M, Saravanan P, Basagoudanavar SH, de los Santos T, Venkataramanan R, Rodriguez L, Grubman M. Recombinant human adenovirus-5 expressing capsid proteins of Indian vaccine strains of foot-and-mouth disease virus elicits effective antibody response in cattle. Vet Microbiol 2017; 203:196-201. [DOI: 10.1016/j.vetmic.2017.03.019] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2017] [Revised: 03/10/2017] [Accepted: 03/16/2017] [Indexed: 12/13/2022]
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Fernandez-Sainz I, Medina GN, Ramirez-Medina E, Koster MJ, Grubman MJ, de Los Santos T. Adenovirus-vectored foot-and-mouth disease vaccine confers early and full protection against FMDV O1 Manisa in swine. Virology 2016; 502:123-132. [PMID: 28039799 DOI: 10.1016/j.virol.2016.12.021] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2016] [Revised: 12/13/2016] [Accepted: 12/19/2016] [Indexed: 10/20/2022]
Abstract
A human adenovirus (Ad5) vectored foot-and-mouth disease virus (FMDV) O1-Manisa subunit vaccine (Ad5-O1Man) was engineered to deliver FMDV O1-Manisa capsid and capsid-processing proteins. Swine inoculated with Ad5-O1Man developed an FMDV-specific humoral response as compared to animals inoculated with an empty Ad5-vector. Vaccinated animals were completely protected against homologous challenge at 7 or 21 days post-vaccination. Potency studies exhibited a PD50 of about 107 pfu/animal while a dose of 4×107pfu/animal fully protected swine against FMDV intradermal challenge. In-vitro cross-neutralization analysis distinctly predicted that swine vaccinated with Ad5-O1Man would be protected against challenge with homologous FMDV O1Man Middle East-South Asia (ME-SA) topotype and also against recent outbreak strains of Mya-98 South East Asia (SEA) lineage including O1-UK-2001 and O1-South Korea-2010. These results indicate that recombinant Ad5-O1Man is an effective, safe and cross-reacting vaccine that could potentially be used preventively and in outbreak situations, to control FMDV O Mya-98 lineage in swine.
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Affiliation(s)
- Ignacio Fernandez-Sainz
- Plum Island Animal Disease Center, ARS, USDA, Greenport, NY 11944, USA; Department of Pathobiology and Veterinary Science, University of Connecticut, Storrs, CT 06269, USA
| | - Gisselle N Medina
- Plum Island Animal Disease Center, ARS, USDA, Greenport, NY 11944, USA; ORISE-PIADC Research Participation Program, Oak Ridge, TN 37831, USA
| | - Elizabeth Ramirez-Medina
- Department of Pathobiology and Veterinary Science, University of Connecticut, Storrs, CT 06269, USA; ORISE-PIADC Research Participation Program, Oak Ridge, TN 37831, USA
| | - Marla J Koster
- Plum Island Animal Disease Center, ARS, USDA, Greenport, NY 11944, USA
| | - Marvin J Grubman
- Plum Island Animal Disease Center, ARS, USDA, Greenport, NY 11944, USA
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Grubman MJ, Diaz-San Segundo F, Dias CCA, Moraes MP, Perez-Martin E, de los Santos T. Use of replication-defective adenoviruses to develop vaccines and biotherapeutics against foot-and-mouth disease. Future Virol 2012. [DOI: 10.2217/fvl.12.65] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
We have developed a replication-defective human adenovirus (Ad5) vectored foot-and-mouth disease (FMD) vaccine platform that protects both swine and cattle from subsequent challenge with homologous virus after a single immunization. This Ad5-FMD vaccine has undergone testing following the requirements of the Center for Veterinary Biologics of the Animal Plant and Health Inspection Service, US Department of Agriculture, and has recently been granted a conditional license for inclusion of the vaccine in the US National Veterinary Vaccine Stockpile. In this review, we will describe the approaches we have taken to improve the potency and efficacy of this vaccine platform. Furthermore, we will discuss the development of Ad5 vector-based biotherapeutics to generate rapid protection against FMD virus prior to vaccine-induced adaptive immunity and describe the use of a combination of these approaches to stimulate both fast and long-lasting immunity.
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Affiliation(s)
- Marvin J Grubman
- Plum Island Animal Disease Center, North Atlantic Area, Agricultural Research Service, US Department of Agriculture, Greenport, NY 11944, USA
| | - Fayna Diaz-San Segundo
- Plum Island Animal Disease Center, North Atlantic Area, Agricultural Research Service, US Department of Agriculture, Greenport, NY 11944, USA
| | - Camila CA Dias
- Plum Island Animal Disease Center, North Atlantic Area, Agricultural Research Service, US Department of Agriculture, Greenport, NY 11944, USA
- Oak Ridge Institute for Science & Education, PIADC Research Participation Program, Oak Ridge, TN 37831, USA
| | - Mauro P Moraes
- Plum Island Animal Disease Center, North Atlantic Area, Agricultural Research Service, US Department of Agriculture, Greenport, NY 11944, USA
- Department of Pathobiology & Veterinary Science, University of Connecticut, Storrs, CT 06269, USA
- Ceva Biomune, 8906 Rosehill Rd, Shawnee Mission, KS 66215, USA
| | - Eva Perez-Martin
- Plum Island Animal Disease Center, North Atlantic Area, Agricultural Research Service, US Department of Agriculture, Greenport, NY 11944, USA
- Oak Ridge Institute for Science & Education, PIADC Research Participation Program, Oak Ridge, TN 37831, USA
| | - Teresa de los Santos
- Plum Island Animal Disease Center, North Atlantic Area, Agricultural Research Service, US Department of Agriculture, Greenport, NY 11944, USA
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Fang M, Li J, Wang H, Yang M, Zhang Y, Zhou L, Wei H, Yang G, Yu Y, Wei X, Yu Y, Wang L, Wan M. Correlation between efficacy and structure of recombinant epitope vaccines against bovine type O foot and mouth disease virus. Biotechnol Lett 2012; 34:839-47. [DOI: 10.1007/s10529-012-0856-0] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2011] [Accepted: 01/18/2012] [Indexed: 11/27/2022]
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Moraes MP, Segundo FDS, Dias CC, Pena L, Grubman MJ. Increased efficacy of an adenovirus-vectored foot-and-mouth disease capsid subunit vaccine expressing nonstructural protein 2B is associated with a specific T cell response. Vaccine 2011; 29:9431-40. [DOI: 10.1016/j.vaccine.2011.10.037] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2011] [Revised: 10/06/2011] [Accepted: 10/16/2011] [Indexed: 10/15/2022]
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Grubman MJ, Moraes MP, Schutta C, Barrera J, Neilan J, Ettyreddy D, Butman BT, Brough DE, Brake DA. Adenovirus serotype 5-vectored foot-and-mouth disease subunit vaccines: the first decade. Future Virol 2010. [DOI: 10.2217/fvl.09.68] [Citation(s) in RCA: 50] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The results of the first decade of the development of a replication-defective human adenovirus serotype 5 (Ad5) containing the capsid- and 3C protease-coding regions of foot-and-mouth disease (FMD) virus as a vaccine candidate are presented. In proof-of-concept studies, it was demonstrated that a single inoculation with this vaccine vector containing the capsid of FMD virus A24 Cruzeiro protected both swine and cattle following homologous challenge by direct inoculation 1 week postvaccination. We have expanded these studies in cattle with larger numbers of animals and by testing the vaccine in direct-contact challenge studies, including its ability to prevent FMD virus shedding and transmission. Furthermore, we have developed manufacturing protocols to allow the scalable production of these FMD molecular vaccine products for US Department of Agriculture licensure approval and availability for inclusion in the US National Veterinary Stockpile. We have also constructed and initiated cattle efficacy testing of Ad5 vectors containing the capsid-coding regions from other FMD virus serotypes and subtypes, as well as initiated studies to improve FMD molecular vaccine potency.
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Affiliation(s)
- Marvin J Grubman
- USDA, ARS, NAA, Plum Island Animal Disease Center, PO Box 848, Greenport, NY 11944, USA
| | - Mauro P Moraes
- Plum Island Animal Disease Center, North Atlantic Area, Agricultural Research Service, US Department of Agriculture, Greenport, NY 11944, USA
| | - Christopher Schutta
- Plum Island Animal Disease Center, Department of Homeland Security, Science & Technology Directorate, Greenport, NY 11944, USA
| | - Jose Barrera
- The McConnell Group, Inc., Dublin, PA 18917, USA
| | - John Neilan
- Plum Island Animal Disease Center, Department of Homeland Security, Science & Technology Directorate, Greenport, NY 11944, USA
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Moraes MP, de Los Santos T, Koster M, Turecek T, Wang H, Andreyev VG, Grubman MJ. Enhanced antiviral activity against foot-and-mouth disease virus by a combination of type I and II porcine interferons. J Virol 2007; 81:7124-35. [PMID: 17459931 PMCID: PMC1933294 DOI: 10.1128/jvi.02775-06] [Citation(s) in RCA: 109] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023] Open
Abstract
Previously, we showed that type I interferon (alpha/beta interferon [IFN-alpha/beta]) can inhibit foot-and-mouth disease virus (FMDV) replication in cell culture, and swine inoculated with 10(9) PFU of human adenovirus type 5 expressing porcine IFN-alpha (Ad5-pIFN-alpha) were protected when challenged 1 day later. In this study, we found that type II pIFN (pIFN-gamma) also has antiviral activity against FMDV in cell culture and that, in combination with pIFN-alpha, it has a synergistic antiviral effect. We also observed that while each IFN alone induced a number of IFN-stimulated genes (ISGs), the combination resulted in a synergistic induction of some ISGs. To extend these studies to susceptible animals, we inoculated groups of swine with a control Ad5, 10(8) PFU of Ad5-pIFN-alpha, low- or high-dose Ad5-pIFN-gamma, or a combination of Ad5-pIFN-alpha and low- or high-dose Ad5-pIFN-gamma and challenged all groups with FMDV 1 day later. The control group and the groups inoculated with either Ad5-pIFN-alpha or a low dose of Ad5-pIFN-gamma developed clinical disease and viremia. However, the group that received the combination of both Ad5-IFNs with the low dose of Ad5-pIFN-gamma was completely protected from challenge and had no viremia. Similarly the groups inoculated with the combination of Ad5s with the higher dose of Ad5-pIFN-gamma or with only high-dose Ad5-pIFN-gamma were protected. The protected animals did not develop antibodies against viral nonstructural (NS) proteins, while all infected animals were NS protein seropositive. No antiviral activity or significant levels of IFNs were detected in the protected groups, but there was an induction of some ISGs. The results indicate that the combination of type I and II IFNs act synergistically to inhibit FMDV replication in vitro and in vivo.
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Affiliation(s)
- Mauro Pires Moraes
- Plum Island Animal Disease Center, USDA, ARS, NAA, P.O. Box 848, Greenport, NY 11944, USA
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