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Nan L, Liu Y, Ji P, Feng H, Chen C, Wang J, Liu D, Cui Y, Wang Y, Li Y, Zhou E, Zhang G. Trigger factor assisted self-assembly of canine parvovirus VP2 protein into virus-like particles in Escherichia coli with high immunogenicity. Virol J 2018; 15:103. [PMID: 29921294 PMCID: PMC6008937 DOI: 10.1186/s12985-018-1013-8] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2018] [Accepted: 06/06/2018] [Indexed: 12/26/2022] Open
Abstract
Canine parvovirus (CPV) has been considered to be an important pathogen, which can cause acute infectious disease in canids. Although current vaccines are effective in preventing CPV infection, safety problems still remain unsolved. In this study, a subunit vaccine against CPV based on virus-like particles (VLPs) with good safety and immunogenicity is reported. Soluble CPV VP2 protein was produced by co-expression of chaperone trigger factor (Tf16) in Escherichia coli (E.coli), and assembled into CPV VLPs which could be affected by NaCl and pH. At 250 mM NaCl pH 8.0, the VLPs co-expressed with Tf16 had similar size (25 nm) and shape with the authentic virus capsid under the transmission electron microscopy (TEM), which is also in accordance with the dynamic light scattering (DLS) data. Immunization with these particles could induce high-titer hemagglutination inhibition (1:12288) and neutralizing antibodies (1:6144) in guinea pigs. Splenic cells of them could secrete IFN-γ and IL-4 after stimulation by CPV. Thus, the VLPs produced by the new approach with high yield and immunogenicity could be a potential candidate for CPV vaccine.
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Affiliation(s)
- Liangliang Nan
- College of Veterinary Medicine, Northwest A&F University, Yangling, 712100, China.,Henan Provincial Key Laboratory of Animal Immunology, Henan Academy of Agricultural Sciences, Zhengzhou, 450002, China
| | - Yunchao Liu
- Henan Provincial Key Laboratory of Animal Immunology, Henan Academy of Agricultural Sciences, Zhengzhou, 450002, China
| | - Pengchao Ji
- College of Animal Science and Veterinary Medicine, Henan Agricultural University, Zhengzhou, 450002, China
| | - Hua Feng
- Henan Provincial Key Laboratory of Animal Immunology, Henan Academy of Agricultural Sciences, Zhengzhou, 450002, China
| | - Chen Chen
- College of Veterinary Medicine, Northwest A&F University, Yangling, 712100, China
| | - Juan Wang
- Henan Zhongze Biological Engineering Co., Ltd., Zhengzhou, 450019, China
| | - Dongmin Liu
- Henan Zhongze Biological Engineering Co., Ltd., Zhengzhou, 450019, China
| | - Yinglei Cui
- Henan Provincial Key Laboratory of Animal Immunology, Henan Academy of Agricultural Sciences, Zhengzhou, 450002, China.,College of Animal Science and Veterinary Medicine, Henan Agricultural University, Zhengzhou, 450002, China
| | - Yanwei Wang
- Henan Provincial Key Laboratory of Animal Immunology, Henan Academy of Agricultural Sciences, Zhengzhou, 450002, China
| | - Yafei Li
- College of Veterinary Medicine, Northwest A&F University, Yangling, 712100, China.,Henan Provincial Key Laboratory of Animal Immunology, Henan Academy of Agricultural Sciences, Zhengzhou, 450002, China
| | - Enmin Zhou
- College of Veterinary Medicine, Northwest A&F University, Yangling, 712100, China
| | - Gaiping Zhang
- College of Veterinary Medicine, Northwest A&F University, Yangling, 712100, China. .,Henan Provincial Key Laboratory of Animal Immunology, Henan Academy of Agricultural Sciences, Zhengzhou, 450002, China. .,College of Animal Science and Veterinary Medicine, Henan Agricultural University, Zhengzhou, 450002, China.
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Anh DBQ, Mi NTT, Huy DNA, Van Hung P. Isolation and Optimization of Growth Condition of Bacillus sp. from Fermented Shrimp Paste for High Fibrinolytic Enzyme Production. ARABIAN JOURNAL FOR SCIENCE AND ENGINEERING 2014. [DOI: 10.1007/s13369-014-1506-8] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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