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Wang Y, Su M, Huang Y, Ren J, Niu S, Zhao Y, Yan F, Yan Y, Tian WX. Development of a novel PCV2 and PCV3 vaccine using virus-like vesicles incorporating Venezuelan equine encephalomyelitis virus-containing vesicular stomatitis virus glycoprotein. Front Vet Sci 2024; 11:1359421. [PMID: 38840631 PMCID: PMC11150706 DOI: 10.3389/fvets.2024.1359421] [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: 01/24/2024] [Accepted: 05/06/2024] [Indexed: 06/07/2024] Open
Abstract
Porcine circovirus disease (PCV) causes substantial economic losses in the pig industry, primarily from porcine circovirus type 2 (PCV2) and porcine circovirus type 3 (PCV3). Novel vaccines are necessary to prevent and control PCV infections. PCV coat proteins are crucial for eliciting immunogenic proteins that induce the production of antibodies and immune responses. A vaccine platform utilizing Semliki Forest virus RNA replicons expressing vesicular stomatitis virus glycoprotein (VSV-G), was recently developed. This platform generates virus-like vesicles (VLVs) containing VSV-G exclusively, excluding other viral structural proteins. In our study, we developed a novel virus-like vesicle vaccine by constructing recombinant virus-like vesicles (rVLVs) that also express EGFP. These rVLVs were created using the RNA replicon of Venezuelan equine encephalomyelitis (VEEV) and New Jersey serotype VSV-G. The rVLVs underwent characterization and safety evaluation in vitro. Subsequently, rVLVs expressing PCV2d-Cap and PCV3-Cap proteins were constructed. Immunization of C57 mice with these rVLVs led to a significant increase in anti-porcine circovirus type 2 and type 3 capsid protein antibodies in mouse serum. Additionally, a cellular immune response was induced, as evidenced by high production of IFN-γ and IL-4 cytokines. Overall, this study demonstrates the feasibility of developing a novel porcine circovirus disease vaccine based on rVLVs.
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Affiliation(s)
| | | | | | | | | | | | | | - Yi Yan
- College of Veterinary Medicine, Shanxi Agricultural University, Jinzhong, China
| | - Wen-xia Tian
- College of Veterinary Medicine, Shanxi Agricultural University, Jinzhong, China
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2
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Li W, Li J, Dai X, Liu M, Khalique A, Wang Z, Zeng Y, Zhang D, Ni X, Zeng D, Jing B, Pan K. Surface Display of porcine circovirus type 2 antigen protein cap on the spores of bacillus subtilis 168: An effective mucosal vaccine candidate. Front Immunol 2022; 13:1007202. [PMID: 36189301 PMCID: PMC9520567 DOI: 10.3389/fimmu.2022.1007202] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2022] [Accepted: 08/30/2022] [Indexed: 11/13/2022] Open
Abstract
The oral mucosal vaccine has great potential in preventing a series of diseases caused by porcine circovirus type 2 (PCV2) infection. This study constructed a recombinant Bacillus subtilis RB with PCV2 Capsid protein (Cap) on its spore surface and cotB as a fusion partner. The immune properties of the recombinant strain were evaluated in a mouse model. IgA in intestinal contents and IgG in serum were detected by enzyme-linked immunosorbent assay (ELISA). The results demonstrated that recombinant spores could activate strong specific mucosal and humoral immune responses. In addition, spores showed good mucosal immune adjuvant function, promoting the proliferation of CD3+, CD4+ and CD8+ T cells and other immune cells. We also found that the relative expression of inflammatory cytokines such as IL-1β, IL-6, IL-10, TNF-α and IFN in the small intestinal mucosa was significantly up-regulated under the stimulation of recombinant bacteriophage. These effects are important for the balance of Th1/Th2-like responses. In summary, our results suggest that recombinant B. subtilis RB as a feed additive provides a new strategy for the development of novel and safe PCV2 mucosal subunit vaccines.
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Affiliation(s)
- Weijie Li
- Animal Microecology Institute, Department of Animal and Plant Quarantine, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, China
| | - Jianzhen Li
- College of Animal Husbandry and Veterinary, Chengdu Agricultural College, Chengdu, China
| | - Xixi Dai
- College of Animal Science and Technology, Chongqing Three Gorges Vocational College, Chongqing, China
| | - Minggang Liu
- Animal Microecology Institute, Department of Animal and Plant Quarantine, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, China
| | - Abdul Khalique
- Animal Microecology Institute, Department of Animal and Plant Quarantine, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, China
| | - Zhenghua Wang
- College of Animal Husbandry and Veterinary, Chengdu Agricultural College, Chengdu, China
| | - Yan Zeng
- Animal Microecology Institute, Department of Animal and Plant Quarantine, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, China
| | - Dongmei Zhang
- Animal Microecology Institute, Department of Animal and Plant Quarantine, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, China
| | - Xueqin Ni
- Animal Microecology Institute, Department of Animal and Plant Quarantine, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, China
| | - Dong Zeng
- Animal Microecology Institute, Department of Animal and Plant Quarantine, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, China
| | - Bo Jing
- Animal Microecology Institute, Department of Animal and Plant Quarantine, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, China
| | - Kangcheng Pan
- Animal Microecology Institute, Department of Animal and Plant Quarantine, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, China
- *Correspondence: Kangcheng Pan,
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Liu C, Lin M, Hu H, Liu X, Bian Y, Huang X, Li X, Yu W, Luo F, Deng S. Rabbit hemorrhagic disease virus VP60 protein expressed in recombinant swinepox virus self-assembles into virus-like particles with strong immunogenicity in rabbits. Front Microbiol 2022; 13:960374. [PMID: 35992711 PMCID: PMC9387593 DOI: 10.3389/fmicb.2022.960374] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2022] [Accepted: 07/18/2022] [Indexed: 11/13/2022] Open
Abstract
Rabbit Hemorrhagic Disease (RHD) is an economically significant infectious disease of rabbits, and its infection causes severe losses in the meat and fur industry. RHD Virus (RHDV) is difficult to proliferate in cell lines in vitro, which has greatly impeded the progress of investigating its replication mechanism and production of inactivated virus vaccines. RHDV VP60 protein is a major antigen for developing RHD subunit vaccines. Herein, we constructed a TK-deactivated recombinant Swinepox virus (rSWPV) expressing VP60 protein and VP60 protein coupled with His-tag respectively, and the expression of foreign proteins was confirmed using immunofluorescence assay and western blotting. Transmission electron microscopy showed that the recombinant VP60, with or without His-tag, self-assembled into virus-like particles (VLPs). Its efficacy was evaluated by comparison with available commercial vaccines in rabbits. ELISA and HI titer assays showed that high levels of neutralizing antibodies were induced at the first week after immunization with the recombinant strain and were maintained during the ongoing monitoring for the following 13 weeks. Challenge experiments showed that a single immunization with 106 PFU of the recombinant strain protected rabbits from lethal RHDV infection, and no histopathological changes or antigenic staining was found in the vaccine and rSWPV groups. These results suggest that rSWPV expressing RHDV VP60 could be an efficient candidate vaccine against RHDV in rabbits.
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Affiliation(s)
- Changjin Liu
- Department of Preventive Veterinary Medicine, College of Animal Science and Technology, Jiangxi Agricultural University, Nanchang, Jiangxi, China
| | - Min Lin
- Department of Preventive Veterinary Medicine, College of Animal Science and Technology, Jiangxi Agricultural University, Nanchang, Jiangxi, China
| | - Huanyi Hu
- Department of Preventive Veterinary Medicine, College of Animal Science and Technology, Jiangxi Agricultural University, Nanchang, Jiangxi, China
| | - Xiaolan Liu
- Department of Preventive Veterinary Medicine, College of Animal Science and Technology, Jiangxi Agricultural University, Nanchang, Jiangxi, China
| | - Yanchao Bian
- Department of Preventive Veterinary Medicine, College of Animal Science and Technology, Jiangxi Agricultural University, Nanchang, Jiangxi, China
| | - Xiaohua Huang
- Department of Preventive Veterinary Medicine, College of Animal Science and Technology, Jiangxi Agricultural University, Nanchang, Jiangxi, China
| | - Xiaoxiang Li
- Department of Preventive Veterinary Medicine, College of Animal Science and Technology, Jiangxi Agricultural University, Nanchang, Jiangxi, China
| | - Wenyang Yu
- Department of Preventive Veterinary Medicine, College of Animal Science and Technology, Jiangxi Agricultural University, Nanchang, Jiangxi, China
| | - Feng Luo
- Jiangxi Jinyibo Biotechnology Company, Nanchang, Jiangxi, China
| | - Shunzhou Deng
- Department of Preventive Veterinary Medicine, College of Animal Science and Technology, Jiangxi Agricultural University, Nanchang, Jiangxi, China
- *Correspondence: Shunzhou Deng,
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Kaiser FK, Wiedemann A, Kühl B, Menke L, Beineke A, Baumgärtner W, Wohlsein P, Rigbers K, Becher P, Peters M, Osterhaus ADME, Ludlow M. Swinepox Virus Strains Isolated from Domestic Pigs and Wild Boar in Germany Display Altered Coding Capacity in the Terminal Genome Region Encoding for Species-Specific Genes. Viruses 2021; 13:v13102038. [PMID: 34696467 PMCID: PMC8538704 DOI: 10.3390/v13102038] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2021] [Revised: 10/03/2021] [Accepted: 10/06/2021] [Indexed: 11/16/2022] Open
Abstract
Swinepox virus (SWPV) is a globally distributed swine pathogen that causes sporadic cases of an acute poxvirus infection in domesticated pigs, characterized by the development of a pathognomonic proliferative dermatitis and secondary ulcerations. More severe disease with higher levels of morbidity and mortality is observed in congenitally SWPV-infected neonatal piglets. In this study, we investigated the evolutionary origins of SWPV strains isolated from domestic pigs and wild boar. Analysis of whole genome sequences of SWPV showed that at least two different virus strains are currently circulating in Germany. These were more closely related to a previously characterized North American SWPV strain than to a more recent Indian SWPV strain and showed a variation in the SWPV-specific genome region. A single nucleotide deletion in the wild boar (wb) SWPV strain leads to the fusion of the SPV019 and SPV020 open reading frames (ORFs) and encodes a new hypothetical 113 aa protein (SPVwb020-019). In addition, the domestic pig (dp) SWPV genome contained a novel ORF downstream of SPVdp020, which encodes a new hypothetical 71aa protein (SPVdp020a). In summary, we show that SWPV strains with altered coding capacity in the SWPV specific genome region are circulating in domestic pig and wild boar populations in Germany.
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Affiliation(s)
- Franziska K. Kaiser
- Research Center for Emerging Infections and Zoonoses, University of Veterinary Medicine Hannover, 30559 Hannover, Germany; (F.K.K.); (L.M.); (A.D.M.E.O.)
| | - Anastasia Wiedemann
- Institute for Virology, University of Veterinary Medicine Hannover, 30559 Hannover, Germany; (A.W.); (P.B.)
| | - Bianca Kühl
- Department of Pathology, University of Veterinary Medicine Hannover, 30559 Hannover, Germany; (B.K.); (A.B.); (W.B.); (P.W.)
| | - Laura Menke
- Research Center for Emerging Infections and Zoonoses, University of Veterinary Medicine Hannover, 30559 Hannover, Germany; (F.K.K.); (L.M.); (A.D.M.E.O.)
| | - Andreas Beineke
- Department of Pathology, University of Veterinary Medicine Hannover, 30559 Hannover, Germany; (B.K.); (A.B.); (W.B.); (P.W.)
| | - Wolfgang Baumgärtner
- Department of Pathology, University of Veterinary Medicine Hannover, 30559 Hannover, Germany; (B.K.); (A.B.); (W.B.); (P.W.)
| | - Peter Wohlsein
- Department of Pathology, University of Veterinary Medicine Hannover, 30559 Hannover, Germany; (B.K.); (A.B.); (W.B.); (P.W.)
| | - Kerstin Rigbers
- Chemisches und Veterinäruntersuchungsamt Karlsruhe, 76187 Karlsruhe, Germany;
| | - Paul Becher
- Institute for Virology, University of Veterinary Medicine Hannover, 30559 Hannover, Germany; (A.W.); (P.B.)
| | - Martin Peters
- Chemisches und Veterinäruntersuchungsamt Westfalen, 59821 Arnsberg, Germany;
| | - Albert D. M. E. Osterhaus
- Research Center for Emerging Infections and Zoonoses, University of Veterinary Medicine Hannover, 30559 Hannover, Germany; (F.K.K.); (L.M.); (A.D.M.E.O.)
| | - Martin Ludlow
- Research Center for Emerging Infections and Zoonoses, University of Veterinary Medicine Hannover, 30559 Hannover, Germany; (F.K.K.); (L.M.); (A.D.M.E.O.)
- Correspondence: ; Tel.: +49-51-1953-6112
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Liu C, Liu Y, Feng H, Zhao B, Chen Y, Huang H, Wang P, Deng R, Zhang G. PCV cap proteins fused with calreticulin expressed into polymers in Escherichia coli with high immunogenicity in mice. BMC Vet Res 2020; 16:313. [PMID: 32854700 PMCID: PMC7450944 DOI: 10.1186/s12917-020-02527-9] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2019] [Accepted: 08/18/2020] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Porcine circovirus type 2 (PCV2) is the main causative agent of porcine circovirus diseases (PCVDs) which causes huge yearly economic losses in the swine industry. Capsid protein (Cap) is the major structural protein of PCV2 that can induce a protective immune response. Therefore, developing a novel and safe subunit vaccine against PCV2 infection is needed. RESULTS In this study, the Cap gene was bound to the truncated calreticulin (CRT) (120-250 aa/120-308 aa) at the N/C terminal, and then the CRT-Cap fusion genes were expressed in Escherichia coli (E.coli). The size-exclusion chromatography and dynamic light scattering (DLS) data showed that the purified recombinant CRT-Cap fusion protein (rP5F) existed in the form of polymers. Immunization with rP5F stimulated high levels of PCV2 specific antibody and neutralization antibody in mice, which were almost identical to those induced by the commercial subunit and inactivated vaccines. The lymphocyte proliferation and cytokine secretion were also detected in rP5F immunized mice. According to the results of PCV2-challenge experiment, the virus loads significantly decreased in mice immunized with rP5F. The data obtained in the current study revealed that rP5F had the potential to be a subunit vaccine candidate against PCV2 in the future. CONCLUSIONS We have successfully expressed Cap-CRT fusion proteins in E.coli and optimized rP5F could form into immunogenic polymers. Mice immunized with rP5F efficiently induced humoral and part of cellular immune responses and decreased the virus content against PCV2-challenge, which suggested that rF5P could be a potential subunit vaccine candidate.
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Affiliation(s)
- Chang Liu
- Key Laboratory of Animal Immunology of the Ministry of Agriculture, Henan Provincial Key Laboratory of Animal Immunology, Henan Academy of Agricultural Sciences, Zhengzhou, 450002, Henan, China
| | - Yunchao Liu
- Key Laboratory of Animal Immunology of the Ministry of Agriculture, Henan Provincial Key Laboratory of Animal Immunology, Henan Academy of Agricultural Sciences, Zhengzhou, 450002, Henan, China
| | - Hua Feng
- Key Laboratory of Animal Immunology of the Ministry of Agriculture, Henan Provincial Key Laboratory of Animal Immunology, Henan Academy of Agricultural Sciences, Zhengzhou, 450002, Henan, China
| | - Baolei Zhao
- College of Animal Science and Veterinary Medicine, Henan Agricultural University, Zhengzhou, 450002, Henan, China
| | - Yumei Chen
- School of Life Sciences, Zhengzhou University, Zhengzhou, 450001, China
| | - Huimin Huang
- College of Animal Science and Veterinary Medicine, Henan Agricultural University, Zhengzhou, 450002, Henan, China
| | - Pan Wang
- Key Laboratory of Animal Immunology of the Ministry of Agriculture, Henan Provincial Key Laboratory of Animal Immunology, Henan Academy of Agricultural Sciences, Zhengzhou, 450002, Henan, China
| | - Ruiguang Deng
- Key Laboratory of Animal Immunology of the Ministry of Agriculture, Henan Provincial Key Laboratory of Animal Immunology, Henan Academy of Agricultural Sciences, Zhengzhou, 450002, Henan, China
| | - Gaiping Zhang
- Key Laboratory of Animal Immunology of the Ministry of Agriculture, Henan Provincial Key Laboratory of Animal Immunology, Henan Academy of Agricultural Sciences, Zhengzhou, 450002, Henan, China. .,College of Animal Science and Veterinary Medicine, Henan Agricultural University, Zhengzhou, 450002, Henan, China. .,School of Life Sciences, Zhengzhou University, Zhengzhou, 450001, China.
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6
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Souza FA, Dos Santos Júnior EM, Laguardia-Nascimento M, Freitas TRP, Damaso CR, Rivetti Júnior AV, Camargos MF, Fonseca Júnior AA. Validation of a real-time PCR assay for detection of swinepox virus. Arch Virol 2019; 164:3059-3063. [PMID: 31549301 DOI: 10.1007/s00705-019-04403-w] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2019] [Accepted: 08/14/2019] [Indexed: 10/25/2022]
Abstract
Swine are the only known hosts of swinepox virus (SWPV), the sole member of the genus Suipoxvirus, family Poxviridae. Rapid diagnosis is recommended for appropriate interventions because of the high morbidity associated with this virus. This study describes a real-time quantitative PCR (qPCR) assay for rapid detection and quantification of SWPV. The detection limit, repeatability, reproducibility, and specificity of this assay were determined. The efficiency was 96%, and the R2 value was 0.996. The detection limit was 1 fg or 10-0.5 TCID50/50 μL. Tests showed that the greatest source of error in the SWPV qPCR assay was variation between analysts rather than different qPCR kits or equipment. All nucleic acids from other viruses or samples collected from swine were negative in the specificity test. qPCR for SWPV is a new method with tested variables that allows main sources of error in laboratory diagnosis and viral quantification to be identified.
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Affiliation(s)
| | | | - Mateus Laguardia-Nascimento
- Laboratório Federal de Defesa Agropecuária de Minas Gerais, Avenida Rômulo Joviano, 26, Centro, Pedro Leopoldo, Minas Gerais, Brazil
| | - Tânia Rosária Pereira Freitas
- Laboratório Federal de Defesa Agropecuária de Minas Gerais, Avenida Rômulo Joviano, 26, Centro, Pedro Leopoldo, Minas Gerais, Brazil
| | | | - Anselmo V Rivetti Júnior
- Laboratório Federal de Defesa Agropecuária de Minas Gerais, Avenida Rômulo Joviano, 26, Centro, Pedro Leopoldo, Minas Gerais, Brazil
| | - Marcelo Fernandes Camargos
- Laboratório Federal de Defesa Agropecuária de Minas Gerais, Avenida Rômulo Joviano, 26, Centro, Pedro Leopoldo, Minas Gerais, Brazil
| | - Antônio Augusto Fonseca Júnior
- Laboratório Federal de Defesa Agropecuária de Minas Gerais, Avenida Rômulo Joviano, 26, Centro, Pedro Leopoldo, Minas Gerais, Brazil.
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Secreted Expression of the Cap Gene of Porcine Circovirus Type 2 in Classical Swine Fever Virus C-Strain: Potential of C-Strain Used as a Vaccine Vector. Viruses 2017; 9:v9100298. [PMID: 29035292 PMCID: PMC5691649 DOI: 10.3390/v9100298] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2017] [Revised: 10/10/2017] [Accepted: 10/13/2017] [Indexed: 12/30/2022] Open
Abstract
Bivalent vaccines based on live attenuated viruses expressing a heterologous protein are an attractive strategy to address co-infections with various pathogens in the field. Considering the excellent efficacy and safety of the lapinized live attenuated vaccine C-strain (HCLV strain) of classical swine fever virus (CSFV), we proposed that C-strain has the potential as a viral vector for developing bivalent vaccines. To this end, we generated three recombinant viruses based on C-strain, one expressing the capsid (Cap) gene of porcine circovirus type 2 (PCV2) with the nuclear localization signal (NLS) (rHCLV-2ACap), and the other two expressing the PCV2 Cap gene without the NLS yet containing the signal peptide of the prolactin gene (rHCLV-pspCap) or that of the ubiquitin-specific peptidase gene (rHCLV-uspCap). All the recombinant viruses exhibited phenotypes similar to those of the parental virus and produced high-level anti-CSFV neutralizing antibodies (NAbs) in rabbits. Interestingly, rHCLV-uspCap and rHCLV-pspCap, but not rHCLV-2ACap, elicited detectable anti-Cap and -PCV2 NAbs in rabbits. Taken together, our data demonstrate that C-strain can be used as a viral vector to develop bivalent vaccines.
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Li PC, Qiao XW, Zheng QS, Hou JB. Immunogenicity and immunoprotection of porcine circovirus type 2 (PCV2) Cap protein displayed by Lactococcus lactis. Vaccine 2016; 34:696-702. [DOI: 10.1016/j.vaccine.2015.09.007] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2015] [Revised: 08/31/2015] [Accepted: 09/04/2015] [Indexed: 12/31/2022]
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Sánchez-Sampedro L, Perdiguero B, Mejías-Pérez E, García-Arriaza J, Di Pilato M, Esteban M. The evolution of poxvirus vaccines. Viruses 2015; 7:1726-803. [PMID: 25853483 PMCID: PMC4411676 DOI: 10.3390/v7041726] [Citation(s) in RCA: 133] [Impact Index Per Article: 14.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2015] [Revised: 03/16/2015] [Accepted: 03/27/2015] [Indexed: 02/07/2023] Open
Abstract
After Edward Jenner established human vaccination over 200 years ago, attenuated poxviruses became key players to contain the deadliest virus of its own family: Variola virus (VARV), the causative agent of smallpox. Cowpox virus (CPXV) and horsepox virus (HSPV) were extensively used to this end, passaged in cattle and humans until the appearance of vaccinia virus (VACV), which was used in the final campaigns aimed to eradicate the disease, an endeavor that was accomplished by the World Health Organization (WHO) in 1980. Ever since, naturally evolved strains used for vaccination were introduced into research laboratories where VACV and other poxviruses with improved safety profiles were generated. Recombinant DNA technology along with the DNA genome features of this virus family allowed the generation of vaccines against heterologous diseases, and the specific insertion and deletion of poxvirus genes generated an even broader spectrum of modified viruses with new properties that increase their immunogenicity and safety profile as vaccine vectors. In this review, we highlight the evolution of poxvirus vaccines, from first generation to the current status, pointing out how different vaccines have emerged and approaches that are being followed up in the development of more rational vaccines against a wide range of diseases.
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MESH Headings
- Animals
- History, 18th Century
- History, 19th Century
- History, 20th Century
- History, 21st Century
- Humans
- Poxviridae/immunology
- Poxviridae/isolation & purification
- Smallpox/prevention & control
- Smallpox Vaccine/history
- Smallpox Vaccine/immunology
- Smallpox Vaccine/isolation & purification
- Vaccines, Attenuated/history
- Vaccines, Attenuated/immunology
- Vaccines, Attenuated/isolation & purification
- Vaccines, Synthetic/history
- Vaccines, Synthetic/immunology
- Vaccines, Synthetic/isolation & purification
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Affiliation(s)
- Lucas Sánchez-Sampedro
- Department of Molecular and Cellular Biology, Centro Nacional de Biotecnología, Consejo Superior de Investigaciones Científicas (CSIC), Madrid-28049, Spain.
| | - Beatriz Perdiguero
- Department of Molecular and Cellular Biology, Centro Nacional de Biotecnología, Consejo Superior de Investigaciones Científicas (CSIC), Madrid-28049, Spain.
| | - Ernesto Mejías-Pérez
- Department of Molecular and Cellular Biology, Centro Nacional de Biotecnología, Consejo Superior de Investigaciones Científicas (CSIC), Madrid-28049, Spain
| | - Juan García-Arriaza
- Department of Molecular and Cellular Biology, Centro Nacional de Biotecnología, Consejo Superior de Investigaciones Científicas (CSIC), Madrid-28049, Spain
| | - Mauro Di Pilato
- Department of Molecular and Cellular Biology, Centro Nacional de Biotecnología, Consejo Superior de Investigaciones Científicas (CSIC), Madrid-28049, Spain.
| | - Mariano Esteban
- Department of Molecular and Cellular Biology, Centro Nacional de Biotecnología, Consejo Superior de Investigaciones Científicas (CSIC), Madrid-28049, Spain.
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10
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Segalés J. Best practice and future challenges for vaccination against porcine circovirus type 2. Expert Rev Vaccines 2014; 14:473-87. [DOI: 10.1586/14760584.2015.983084] [Citation(s) in RCA: 78] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Affiliation(s)
- Joaquim Segalés
- Centre de Recerca en Sanitat Animal (CReSA), UAB-IRTA, Campus de la Universitat Autònoma de Barcelona, 08193 Bellaterra, Barcelona, Spain
- Departament de Sanitat i d’Anatomia Animals, Universitat Autònoma de Barcelona, 08193 Bellaterra, Barcelona, Spain
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11
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Lin HX, Ma Z, Yang XQ, Fan HJ, Lu CP. A novel vaccine against Porcine circovirus type 2 (PCV2) and Streptococcus equi ssp. zooepidemicus (SEZ) co-infection. Vet Microbiol 2014; 171:198-205. [PMID: 24726504 DOI: 10.1016/j.vetmic.2014.03.018] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2013] [Revised: 03/07/2014] [Accepted: 03/10/2014] [Indexed: 12/22/2022]
Abstract
To develop a vaccine against Porcine circovirus type 2 (PCV2) and Streptococcus equi ssp. zooepidemicus (SEZ) co-infection, the genes of porcine IL-18, capsid protein (Cap) of PCV2 and M-like protein (SzP) of SEZ were inserted into the swinepox virus (SPV) genome by homologous recombination. The recombinant swinepox virus rSPV-ICS was verified by PCR and indirect immunofluorescence assays. To evaluate the immunogenicity of rSPV-ICS, 28 PCV2 and SEZ seronegative Bama minipigs were immunized with rSPV-ICS (n=8), commercial PCV2 vaccine and SEZ vaccine (n=8) or wild type SPV (n=8). The results showed that SzP-specific antibody and PCV2 neutralizing antibody of the rSPV-ICS immunized group increased significantly compared to the wild type SPV treated group after vaccination and increased continuously over time. The levels of IL-4 and IFN-γ in the rSPV-ICS immunized group were significantly higher than the other three groups, respectively. After been co-challenged with PCV2 and SEZ, 87.5% piglets in rSPV-ICS immunized group were survived. Significant reductions in gross lung lesion score, histopathological lung lesion score, and lymph node lesion score were noticed in the rSPV-ICS immunized group compared with the wtSPV treated group. The results suggested that the recombinant rSPV-ICS provided piglets with significant protection against PCV2-SEZ co-infection; thus, it offers proof-of-principle for the development of a vaccine for the prevention of these swine diseases.
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Affiliation(s)
- Hui-xing Lin
- College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, China
| | - Zhe Ma
- College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, China
| | - Xu-qiu Yang
- College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, China
| | - Hong-jie Fan
- College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, China; Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou, China.
| | - Cheng-ping Lu
- College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, China
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