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Guo Z, Ren H, Chang Q, Liu R, Zhou X, Xue K, Sun T, Luo J, Wang F, Ge J. Lactobacilli-derived adjuvants combined with immunoinformatics-driven multi-epitope antigens based approach protects against Clostridium perfringens in a mouse model. Int J Biol Macromol 2024; 267:131475. [PMID: 38608984 DOI: 10.1016/j.ijbiomac.2024.131475] [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: 07/28/2023] [Revised: 03/28/2024] [Accepted: 04/06/2024] [Indexed: 04/14/2024]
Abstract
Clostridium perfringens is ubiquitously distributed and capable of secreting toxins, posing a significant threat to animal health. Infections caused by Clostridium perfringens, such as Necrotic Enteritis (NE), result in substantial economic losses to the livestock industry annually. However, there is no effective commercial vaccine available. Hence, we set out to propose an effective approach for multi-epitope subunit vaccine construction utilizing biomolecules. We utilized immunoinformatics to design a novel multi-epitope antigen against C. perfringens (CPMEA). Furthermore, we innovated novel bacterium-like particles (BLPs) through thermal acid treatment of various Lactobacillus strains and selected BLP23017 among them. Then, we detailed the structure of CPMEA and BLPs and utilized them to prepare a multi-epitope vaccine. Here, we showed that our vaccine provided full protection against C. perfringens infection after a single dose in a mouse model. Additionally, BLP23017 notably augmented the secretion of secretory immunoglobulin A (sIgA) and enhanced antibody production. We conclude that our vaccine possess safety and high efficacy, making it an excellent candidate for preventing C. perfringens infection. Moreover, we demonstrate our approach to vaccine construction and the preparation of BLP23017 with distinct advantages may contribute to the prevention of a wider array of diseases and the novel vaccine development.
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Affiliation(s)
- Zhiyuan Guo
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, China
| | - Hongkun Ren
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, China
| | - Qingru Chang
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, China
| | - Runhang Liu
- State Key Laboratory for Animal Disease control and prevention, Harbin Veterinary Research Institute, The Chinese Academy of Agricultural Sciences, Harbin, China
| | - Xinyao Zhou
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, China
| | - Kun Xue
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, China
| | - Tong Sun
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, China
| | - Jilong Luo
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, China
| | - Fang Wang
- State Key Laboratory for Animal Disease control and prevention, Harbin Veterinary Research Institute, The Chinese Academy of Agricultural Sciences, Harbin, China.
| | - Junwei Ge
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, China; Heilongjiang Provincial Key Laboratory of Zoonosis, Harbin 150030, China.
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2
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Li Y, Yang R, Yin F, Zhang H, Zhai G, Sun S, Tian B, Zeng Q. Correlation between 146S Antigen Content in Foot-and-Mouth Disease Inactivated Vaccines and Immunogenicity Level and Vaccine Potency Alternative Test Methods. Vet Sci 2024; 11:168. [PMID: 38668435 PMCID: PMC11053669 DOI: 10.3390/vetsci11040168] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2024] [Revised: 03/30/2024] [Accepted: 04/05/2024] [Indexed: 04/29/2024] Open
Abstract
To investigate the association between 146S antigen contents in FMD inactivated vaccines and levels of antiviral immunity, this study vaccinated 30 kg pigs with three batches of FMD types O and A bivalent inactivated vaccines. Antibody titers and interferon-gamma (IFN-γ) secretion levels were measured on days 7, 14, 21, and 28 after primary immunization and on days 14 and 28 following booster immunization to assess associations between 146S contents and both antibody titers and IFN-γ secretion levels. Furthermore, 30 kg pigs were vaccinated with 46 batches of FMD type O inactivated vaccines and challenged on day 28, after which PD50 values were determined to evaluate the association between 146S content and PD50. The findings suggested that antibody titers and IFN-γ secretion levels at specific time points after immunization were positively associated with 146S contents. Additionally, 146S content showed a positive correlation with PD50, with greater PD50 values recorded for 146S contents ranging from 4.72 to 16.55 µg/dose. This investigation established a significant association between the 146S content in FMD inactivated vaccines and induced immune response against FMDV, thereby emphasizing its critical role in vaccine quality control. The determination of 146S content could serve as a new method for potency testing, offering an alternative to animal challenge tests.
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Affiliation(s)
- Yongxia Li
- College of Veterinary Medicine, Gansu Agricultural University, Lanzhou 730070, China;
- China Agricultural Veterinary Biotechnology Co., Ltd., Lanzhou 730046, China
| | - Ruai Yang
- China Agricultural Veterinary Biotechnology Co., Ltd., Lanzhou 730046, China
| | - Fu Yin
- China Agricultural Veterinary Biotechnology Co., Ltd., Lanzhou 730046, China
| | - Haisheng Zhang
- China Agricultural Veterinary Biotechnology Co., Ltd., Lanzhou 730046, China
| | - Guoyuan Zhai
- China Agricultural Veterinary Biotechnology Co., Ltd., Lanzhou 730046, China
| | - Shiqi Sun
- Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Lanzhou 730046, China
| | - Bo Tian
- China Agricultural Veterinary Biotechnology Co., Ltd., Lanzhou 730046, China
| | - Qiaoying Zeng
- College of Veterinary Medicine, Gansu Agricultural University, Lanzhou 730070, China;
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3
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Zhou X, Gao M, De X, Sun T, Bai Z, Luo J, Wang F, Ge J. Bacterium-like particles derived from probiotics: progress, challenges and prospects. Front Immunol 2023; 14:1263586. [PMID: 37868963 PMCID: PMC10587609 DOI: 10.3389/fimmu.2023.1263586] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2023] [Accepted: 09/22/2023] [Indexed: 10/24/2023] Open
Abstract
Bacterium-like particles (BLPs) are hollow peptidoglycan particles obtained from food-grade Lactococcus lactis inactivated by hot acid. With the advantage of easy preparation, high safety, great stability, high loading capacity, and high mucosal delivery efficiency, BLPs can load and display proteins on the surface with the help of protein anchor (PA), making BLPs a proper delivery system. Owning to these features, BLPs are widely used in the development of adjuvants, vaccine carriers, virus/antigens purification, and enzyme immobilization. This review has attempted to gather a full understanding of the technical composition, characteristics, applications. The mechanism by which BLPs induces superior adaptive immune responses is also discussed. Besides, this review tracked the latest developments in the field of BLPs, including Lactobacillus-derived BLPs and novel anchors. Finally, the main limitations and proposed breakthrough points to further enhance the immunogenicity of BLPs vaccines were discussed, providing directions for future research. We hope that further developments in the field of antigen delivery of subunit vaccines or others will benefit from BLPs.
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Affiliation(s)
- Xinyao Zhou
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, China
| | - Mingchun Gao
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, China
| | - Xinqi De
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, China
| | - Tong Sun
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, China
| | - Zhikun Bai
- School of Basic Medical Sciences, Youjiang Medical University for Nationalities, Baise, China
| | - Jilong Luo
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, China
| | - Fang Wang
- State Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute, The Chinese Academy of Agricultural Sciences, Harbin, China
| | - Junwei Ge
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, China
- Heilongjiang Provincial Key Laboratory of Zoonosis, Harbin, China
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4
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Cheng H, Yang L, Hou L, Cai Z, Yu X, Du L, Chen J, Zheng Q. Promoting immunity with novel targeting antigen delivery vehicle based on bispecific nanobody. Int Immunopharmacol 2023; 119:110140. [PMID: 37116343 DOI: 10.1016/j.intimp.2023.110140] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2023] [Revised: 03/29/2023] [Accepted: 03/31/2023] [Indexed: 04/30/2023]
Abstract
As the most potent professional antigen presenting cells, dendritic cells (DCs) have been targeted in strategies to enhance vaccination efficacy. To date, targeted delivery has been mainly used for cancer therapy, with few studies focusing on vaccine antigens for animal epidemic diseases. In this study, we selected a series of mouse DC-specific nanobodies from a non-immunized camel. The four candidate nanobodies identified (Nb4, Nb13, Nb17, and Nb25), which showed efficient endocytosis of bone marrow-derived DCs, were evaluated as potential vaccine antigen targeted delivery vehicles. First, green fluorescent protein (GFP) was selected and four corresponding DCNb-GFP fusions were constructed for verification. Nb17-GFP was effective at promoting antibody production, inducing a cellular immune response, and increasing the IL-4 level. Second, foot-and-mouth disease virus (FMDV) and a FMDV-specific nanobody (Nb205) were selected and four bispecific nanobody DCNb-Nb205 fusions were generated to investigate the feasibility of a novel targeting antigen delivery vehicle. The resulting bispecific nanobody, Nb17-Nb205, could not only deliver FMDV particles instead of antigenic peptide, but also induced the production of specific antibodies, a cellular immune response, and IFN-γ and IL-4 levels upon immunization with a single subcutaneous injection. In conclusion, our results demonstrate the potential of bispecific nanobody as a novel and efficient DC-specific antigen delivery vehicle. This highlights the potential to expand targeted delivery to the field of animal epidemic diseases and provides a reference for the general application of nanotechnology in viral diseases.
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Affiliation(s)
- Haiwei Cheng
- Institute of Veterinary Immunology & Engineering, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, China; National Research Center of Engineering and Technology for Veterinary Biologicals, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, China; Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou 225009, China; Jiangsu Key Laboratory for Food Quality and Safety-State Key Laboratory Cultivation Base, Ministry of Science and Technology, Nanjing 210014, China
| | - Li Yang
- Institute of Veterinary Immunology & Engineering, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, China; National Research Center of Engineering and Technology for Veterinary Biologicals, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, China; Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou 225009, China; Jiangsu Key Laboratory for Food Quality and Safety-State Key Laboratory Cultivation Base, Ministry of Science and Technology, Nanjing 210014, China
| | - Liting Hou
- Institute of Veterinary Immunology & Engineering, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, China; National Research Center of Engineering and Technology for Veterinary Biologicals, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, China; Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou 225009, China; Jiangsu Key Laboratory for Food Quality and Safety-State Key Laboratory Cultivation Base, Ministry of Science and Technology, Nanjing 210014, China
| | - Zizheng Cai
- Nanjing Agricultural University, Nanjing 210095, China
| | - Xiaoming Yu
- Institute of Veterinary Immunology & Engineering, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, China; National Research Center of Engineering and Technology for Veterinary Biologicals, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, China; Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou 225009, China; Jiangsu Key Laboratory for Food Quality and Safety-State Key Laboratory Cultivation Base, Ministry of Science and Technology, Nanjing 210014, China
| | - Luping Du
- Institute of Veterinary Immunology & Engineering, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, China; National Research Center of Engineering and Technology for Veterinary Biologicals, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, China; Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou 225009, China; Jiangsu Key Laboratory for Food Quality and Safety-State Key Laboratory Cultivation Base, Ministry of Science and Technology, Nanjing 210014, China.
| | - Jin Chen
- Institute of Veterinary Immunology & Engineering, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, China; National Research Center of Engineering and Technology for Veterinary Biologicals, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, China; Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou 225009, China; Jiangsu Key Laboratory for Food Quality and Safety-State Key Laboratory Cultivation Base, Ministry of Science and Technology, Nanjing 210014, China.
| | - Qisheng Zheng
- Institute of Veterinary Immunology & Engineering, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, China; National Research Center of Engineering and Technology for Veterinary Biologicals, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, China; Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou 225009, China; Jiangsu Key Laboratory for Food Quality and Safety-State Key Laboratory Cultivation Base, Ministry of Science and Technology, Nanjing 210014, China.
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Wang Q, Wang S, Shi Z, Li Z, Zhao Y, Feng N, Bi J, Jiao C, Li E, Wang T, Wang J, Jin H, Huang P, Yan F, Yang S, Xia X. GEM-PA-Based Subunit Vaccines of Crimean Congo Hemor-Rhagic Fever Induces Systemic Immune Responses in Mice. Viruses 2022; 14:v14081664. [PMID: 36016285 PMCID: PMC9416392 DOI: 10.3390/v14081664] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2022] [Revised: 07/24/2022] [Accepted: 07/27/2022] [Indexed: 02/05/2023] Open
Abstract
The Crimean Congo Hemorrhagic Fever Virus (CCHFV) is a tick-borne bunyavirus of the Narovirus genus, which is the causative agent of Crimean Congo Hemorrhagic Fever (CCHF). CCHF is endemic in Africa, the Middle East, Eastern Europe and Asia, with a high case-fatality rate of up to 50% in humans. Currently, there are no approved vaccines or effective therapies available for CCHF. The GEM-PA is a safe, versatile and effective carrier system, which offers a cost-efficient, high-throughput platform for recovery and purification of subunit proteins for vaccines. In the present study, based on a GEM-PA surface display system, a GEM-PA based vaccine expressing three subunit vaccine candidates (G-GP, including G-eGN, G-eGC and G-NAb) of CCHFV was developed, displaying the ectodomains of the structural glycoproteins eGN, eGC and NAb, respectively. According to the immunological assays including indirect-ELISA, a micro-neutralization test of pseudo-virus and ELISpot, 5 μg GPBLP3 combined with Montanide ISA 201VG plus Poly (I:C) adjuvant (A-G-GP-5 μg) elicited GP-specific humoral and cellular immunity in BALB/c mice after three vaccinations via subcutaneous injection (s.c.). The consistent data between IgG subtype and cytokine detection, ELISpot and cytokine detection indicated balanced Th1 and Th2 responses, of which G-eGN vaccines could elicit a stronger T-cell response post-vaccination, respectively. Moreover, all three vaccine candidates elicited high TNF-α, IL-6, and IL-10 cytokine levels in the supernatant of stimulated splenocytes in vitro. However, the neutralizing antibody (nAb) was only detected in A-G-eGC and A-G-eGC vaccination groups with the highest neutralizing titer of 128, suggesting that G-eGC could elicit a stronger humoral immune response. In conclusion, the GEM-PA surface display system could provide an efficient and convenient purification method for CCHFV subunit antigens, and the G-GP subunit vaccine candidates will be promising against CCHFV infections with excellent immunogenicity.
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Affiliation(s)
- Qi Wang
- College of Animal Science and Technology, Shihezi University, Shihezi 832003, China;
- Key Laboratory of Jilin Province for Zoonosis Prevention and Control, Changchun Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Changchun 130122, China; (S.W.); (Z.S.); (Z.L.); (Y.Z.); (N.F.); (J.B.); (E.L.); (T.W.)
| | - Shen Wang
- Key Laboratory of Jilin Province for Zoonosis Prevention and Control, Changchun Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Changchun 130122, China; (S.W.); (Z.S.); (Z.L.); (Y.Z.); (N.F.); (J.B.); (E.L.); (T.W.)
| | - Zhikang Shi
- Key Laboratory of Jilin Province for Zoonosis Prevention and Control, Changchun Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Changchun 130122, China; (S.W.); (Z.S.); (Z.L.); (Y.Z.); (N.F.); (J.B.); (E.L.); (T.W.)
- Animal Science and Technology College, Jilin Agricultural University, Changchun 130118, China;
| | - Zhengrong Li
- Key Laboratory of Jilin Province for Zoonosis Prevention and Control, Changchun Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Changchun 130122, China; (S.W.); (Z.S.); (Z.L.); (Y.Z.); (N.F.); (J.B.); (E.L.); (T.W.)
- College of Veterinary Medicine, Jilin University, Changchun 130062, China; (C.J.); (H.J.); (P.H.)
| | - Yongkun Zhao
- Key Laboratory of Jilin Province for Zoonosis Prevention and Control, Changchun Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Changchun 130122, China; (S.W.); (Z.S.); (Z.L.); (Y.Z.); (N.F.); (J.B.); (E.L.); (T.W.)
| | - Na Feng
- Key Laboratory of Jilin Province for Zoonosis Prevention and Control, Changchun Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Changchun 130122, China; (S.W.); (Z.S.); (Z.L.); (Y.Z.); (N.F.); (J.B.); (E.L.); (T.W.)
| | - Jinhao Bi
- Key Laboratory of Jilin Province for Zoonosis Prevention and Control, Changchun Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Changchun 130122, China; (S.W.); (Z.S.); (Z.L.); (Y.Z.); (N.F.); (J.B.); (E.L.); (T.W.)
- Animal Science and Technology College, Jilin Agricultural University, Changchun 130118, China;
| | - Cuicui Jiao
- College of Veterinary Medicine, Jilin University, Changchun 130062, China; (C.J.); (H.J.); (P.H.)
| | - Entao Li
- Key Laboratory of Jilin Province for Zoonosis Prevention and Control, Changchun Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Changchun 130122, China; (S.W.); (Z.S.); (Z.L.); (Y.Z.); (N.F.); (J.B.); (E.L.); (T.W.)
| | - Tiecheng Wang
- Key Laboratory of Jilin Province for Zoonosis Prevention and Control, Changchun Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Changchun 130122, China; (S.W.); (Z.S.); (Z.L.); (Y.Z.); (N.F.); (J.B.); (E.L.); (T.W.)
| | - Jianzhong Wang
- Animal Science and Technology College, Jilin Agricultural University, Changchun 130118, China;
| | - Hongli Jin
- College of Veterinary Medicine, Jilin University, Changchun 130062, China; (C.J.); (H.J.); (P.H.)
| | - Pei Huang
- College of Veterinary Medicine, Jilin University, Changchun 130062, China; (C.J.); (H.J.); (P.H.)
| | - Feihu Yan
- Key Laboratory of Jilin Province for Zoonosis Prevention and Control, Changchun Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Changchun 130122, China; (S.W.); (Z.S.); (Z.L.); (Y.Z.); (N.F.); (J.B.); (E.L.); (T.W.)
- Correspondence: (F.Y.); (S.Y.); (X.X.)
| | - Songtao Yang
- Key Laboratory of Jilin Province for Zoonosis Prevention and Control, Changchun Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Changchun 130122, China; (S.W.); (Z.S.); (Z.L.); (Y.Z.); (N.F.); (J.B.); (E.L.); (T.W.)
- Correspondence: (F.Y.); (S.Y.); (X.X.)
| | - Xianzhu Xia
- College of Animal Science and Technology, Shihezi University, Shihezi 832003, China;
- Key Laboratory of Jilin Province for Zoonosis Prevention and Control, Changchun Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Changchun 130122, China; (S.W.); (Z.S.); (Z.L.); (Y.Z.); (N.F.); (J.B.); (E.L.); (T.W.)
- Correspondence: (F.Y.); (S.Y.); (X.X.)
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6
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Zhang S, Yan F, Liu D, Li E, Feng N, Xu S, Wang H, Gao Y, Yang S, Zhao Y, Xia X. Bacterium-Like Particles Displaying the Rift Valley Fever Virus Gn Head Protein Induces Efficacious Immune Responses in Immunized Mice. Front Microbiol 2022; 13:799942. [PMID: 35369468 PMCID: PMC8969503 DOI: 10.3389/fmicb.2022.799942] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2021] [Accepted: 02/03/2022] [Indexed: 11/13/2022] Open
Abstract
Rift Valley fever virus (RVFV), a mosquito-borne zoonotic phlebovirus, causes serious disease in humans and ruminants. According to the World Health Organization, Rift Valley fever is classified as a priority disease, and as such, vaccine development is of high priority due to the lack of licensed vaccines. In this study, a bacterium-like particle vaccine (BLP), RVFV-BLPs, is constructed. A novel display system is described, which is based on non-living and non-genetically modified Gram-positive bacterial cells, designated as Gram-positive enhancer matrix (GEM). The RVFV Gn head protein was displayed on the surface of GEM by co-expression with the peptidoglycan-binding domain (protein anchor) at the C-terminus. We determined that the RVFV Gn head-PA fusion protein was successfully displayed on the GEM. Mice immunized with RVFV-BLPs produced humoral and cellular immunity. Interestingly, comparing the production of RVFV Gn head-specific IgG and its subtype by vaccinating with different antigen doses of the RVFV-BLPs determined that the RVFV-BLPs (50 μg) group showed a greater effect than the other two groups. More importantly, antibodies produced by mice immunized with RVFV-BLPs (50 μg) exhibited potent neutralizing activity against RVFV pseudovirus. RVFV-BLPs (50 μg) also could induce IFN-γ and IL-4 in immunized mice; these mice generated memory cells among the proliferating T cell population after immunization with RVFV-BLPs with effector memory T cells as the major population, which means that RVFV-BLPs is an effective vaccine to establish a long-lived population of memory T cells. The findings suggest that the novel RVFV-BLPs subunit vaccine has the potential to be considered a safe and effective candidate vaccine against RVFV infection.
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Affiliation(s)
- Shengnan Zhang
- Changchun Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Changchun, China
| | - Feihu Yan
- Changchun Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Changchun, China
| | - Dongping Liu
- The Nanjing Unicorn Academy of Innovation, Institute Pasteur of Shanghai, Chinese Academy of Sciences, Nanjing, China
| | - Entao Li
- Changchun Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Changchun, China
| | - Na Feng
- Changchun Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Changchun, China
| | - Shengnan Xu
- Changchun Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Changchun, China
| | - Hualei Wang
- College of Veterinary Medicine, Jilin University, Changchun, China
| | - Yuwei Gao
- Changchun Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Changchun, China
| | - Songtao Yang
- Changchun Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Changchun, China
- *Correspondence: Songtao Yang,
| | - Yongkun Zhao
- Changchun Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Changchun, China
- Yongkun Zhao,
| | - Xianzhu Xia
- Changchun Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Changchun, China
- Xianzhu Xia,
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7
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Xu W, Xu N, Zhang M, Wang Y, Ling G, Yuan Y, Zhang P. Nanotraps based on multifunctional materials for trapping and enrichment. Acta Biomater 2022; 138:57-72. [PMID: 34492372 DOI: 10.1016/j.actbio.2021.08.047] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2021] [Revised: 08/24/2021] [Accepted: 08/27/2021] [Indexed: 12/23/2022]
Abstract
Many biomarkers for early diagnosis of cancer and other diseases are difficult to detect because they often exist in body fluids in very low concentrations and are masked by high-abundance proteins such as albumin and immunoglobulins. At the same time, water pollution is one of the most serious environmental problems, but the existing adsorption materials have many shortcomings such as slow kinetics, small adsorption capacity and low adsorption efficiency. Nanotraps, mixed with gases or liquids, can capture and concentrate target substances, such as biomolecules, metal ions and oxoanions. Using nanotraps is a versatile sample pre-processing approach and it can improve the sensitivity of downstream analysis techniques. Herein, the preparations and applications of different types of nanotraps are mainly introduced. What's more, the shortcomings of using nanotraps in practical applications are also discussed. Using nanotraps is a promising sample pre-processing technology, which is of great significance for biomarkers discovery, diseases diagnosis, sewage purification and valuable ions recovery. STATEMENT OF SIGNIFICANCE: This review collates and summarizes the preparations and applications of different types of nanotraps, and discusses the shortcomings of using nanotraps in practical applications. Nanotraps, mixed with gases or liquids, can capture and concentrate target materials, such as biomolecules, metal ions and oxoanions. Using nanotraps is a versatile sample pre-processing approach and it can improve the sensitivity of downstream analysis techniques. During the COVID-19 pandemic, hydrogel nanotraps were successfully utilized for RT-PCR analysis with the FDA Emergency Used Authorization for COVID-19. Using nanotraps is a promising sample pre-processing technology, which is of great significance for biomarkers discovery, diseases diagnosis, sewage purification and valuable ions recovery.
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Affiliation(s)
- Wenxin Xu
- Shenyang Pharmaceutical University, No. 103, Wenhua Road, Shenyang 110016, China
| | - Na Xu
- Shenyang Pharmaceutical University, No. 103, Wenhua Road, Shenyang 110016, China
| | - Manyue Zhang
- Shenyang Pharmaceutical University, No. 103, Wenhua Road, Shenyang 110016, China
| | - Yan Wang
- Shenyang Pharmaceutical University, No. 103, Wenhua Road, Shenyang 110016, China
| | - Guixia Ling
- Shenyang Pharmaceutical University, No. 103, Wenhua Road, Shenyang 110016, China.
| | - Yue Yuan
- Shenyang Pharmaceutical University, No. 103, Wenhua Road, Shenyang 110016, China.
| | - Peng Zhang
- Shenyang Pharmaceutical University, No. 103, Wenhua Road, Shenyang 110016, China.
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8
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Abstract
The host immune system is highly compromised in case of viral infections and relapses are very common. The capacity of the virus to destroy the host cell by liberating its own DNA or RNA and replicating inside the host cell poses challenges in the development of antiviral therapeutics. In recent years, many new technologies have been explored for diagnosis, prevention, and treatment of viral infections. Nanotechnology has emerged as one of the most promising technologies on account of its ability to deal with viral diseases in an effective manner, addressing the limitations of traditional antiviral medicines. It has not only helped us to overcome problems related to solubility and toxicity of drugs, but also imparted unique properties to drugs, which in turn has increased their potency and selectivity toward viral cells against the host cells. The initial part of the paper focuses on some important proteins of influenza, Ebola, HIV, herpes, Zika, dengue, and corona virus and those of the host cells important for their entry and replication into the host cells. This is followed by different types of nanomaterials which have served as delivery vehicles for the antiviral drugs. It includes various lipid-based, polymer-based, lipid-polymer hybrid-based, carbon-based, inorganic metal-based, surface-modified, and stimuli-sensitive nanomaterials and their application in antiviral therapeutics. The authors also highlight newer promising treatment approaches like nanotraps, nanorobots, nanobubbles, nanofibers, nanodiamonds, nanovaccines, and mathematical modeling for the future. The paper has been updated with the recent developments in nanotechnology-based approaches in view of the ongoing pandemic of COVID-19.Graphical abstract.
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Affiliation(s)
- Malobika Chakravarty
- Shobhaben Pratapbhai Patel School of Pharmacy and Technology Management, SVKM's NMIMS, V. L. Mehta Road, Vile Parle (W), Mumbai, 400056, India
| | - Amisha Vora
- Shobhaben Pratapbhai Patel School of Pharmacy and Technology Management, SVKM's NMIMS, V. L. Mehta Road, Vile Parle (W), Mumbai, 400056, India.
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9
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Polymer Particles Bearing Recombinant LEL CD81 as Trapping Systems for Hepatitis C Virus. Pharmaceutics 2021; 13:pharmaceutics13050672. [PMID: 34067169 PMCID: PMC8151308 DOI: 10.3390/pharmaceutics13050672] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2021] [Revised: 05/03/2021] [Accepted: 05/04/2021] [Indexed: 12/23/2022] Open
Abstract
Hepatitis C is one of the most common social diseases in the world. The improvements in both the early diagnostics of the hepatitis C and the treatment of acute viremia caused by hepatitis C virus are undoubtedly an urgent task. In present work, we offered the micro- and nanotraps for the capturing of HCV. As a capturing moiety, we designed and synthesized in E. coli a fusion protein consisting of large extracellular loop of CD81 receptor and streptavidin as spacing part. The obtained protein has been immobilized on the surface of PLA-based micro- and nanoparticles. The developed trapping systems were characterized in terms of their physico-chemical properties. In order to illustrate the ability of developed micro- and nanotraps to bind HCV, E2 core protein of HCV was synthesized as a fusion protein with GFP. Interaction of E2 protein and hepatitis C virus-mimicking particles with the developed trapping systems were testified by several methods.
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Park SY, Lee JM, Kim AY, Park SH, Kim JS, Kim H, Park JW, Park JH, Ko YJ, Park CK. Application of Heparin Affinity Chromatography to Produce a Differential Vaccine without Eliciting Antibodies against the Nonstructural Proteins of the Serotype O Foot-and-Mouth Disease Viruses. Viruses 2020; 12:v12121405. [PMID: 33297420 PMCID: PMC7762290 DOI: 10.3390/v12121405] [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: 10/06/2020] [Revised: 11/30/2020] [Accepted: 12/03/2020] [Indexed: 11/16/2022] Open
Abstract
Although polyethylene glycol (PEG) application is the most widely used method in removing nonstructural proteins (NSPs) for foot-and-mouth disease (FMD) vaccine production, some NSPs remaining in the antigen could elicit antibodies against these proteins after repeated vaccinations in livestock. Therefore, the purpose of this study was to purify the FMD virus (FMDV) via affinity chromatography using a heparin ligand to remove most proteins, including NSPs. Chromatography showed an intact virus (146S) particle recovery of 70% or more for three different strains of serotype O FMDV (two locally isolated strains and one genetically modified strain). The experimental vaccine made with antigens eluted via heparin affinity chromatography elicited virus-neutralizing antibodies against homologous viruses but did not induce antibodies against NSPs even after five immunizations in goats; this indicated that the NSPs were effectively removed from the vaccine antigen. This method can then be used to produce a higher-quality vaccine compared with PEG application in terms of the purity of the FMD vaccine. Therefore, this result would be an important groundwork for advanced FMD vaccine manufacturing in the near future.
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Affiliation(s)
- Sun Young Park
- Animal and Plant Quarantine Agency, 177 Hyeoksin-8-ro, Gimcheon-si 39660, Gyeongsangbuk-do, Korea; (S.Y.P.); (J.-M.L.); (A.-Y.K.); (S.H.P.); (J.-S.K.); (H.K.); (J.-W.P.); (J.-H.P.)
- Animal Disease Intervention Center, College of Veterinary Medicine, Kyungpook National University, Daegu 41566, Gyeongsangbuk-do, Korea
| | - Jung-Min Lee
- Animal and Plant Quarantine Agency, 177 Hyeoksin-8-ro, Gimcheon-si 39660, Gyeongsangbuk-do, Korea; (S.Y.P.); (J.-M.L.); (A.-Y.K.); (S.H.P.); (J.-S.K.); (H.K.); (J.-W.P.); (J.-H.P.)
| | - Ah-Young Kim
- Animal and Plant Quarantine Agency, 177 Hyeoksin-8-ro, Gimcheon-si 39660, Gyeongsangbuk-do, Korea; (S.Y.P.); (J.-M.L.); (A.-Y.K.); (S.H.P.); (J.-S.K.); (H.K.); (J.-W.P.); (J.-H.P.)
| | - Sang Hyun Park
- Animal and Plant Quarantine Agency, 177 Hyeoksin-8-ro, Gimcheon-si 39660, Gyeongsangbuk-do, Korea; (S.Y.P.); (J.-M.L.); (A.-Y.K.); (S.H.P.); (J.-S.K.); (H.K.); (J.-W.P.); (J.-H.P.)
| | - Jae-Seok Kim
- Animal and Plant Quarantine Agency, 177 Hyeoksin-8-ro, Gimcheon-si 39660, Gyeongsangbuk-do, Korea; (S.Y.P.); (J.-M.L.); (A.-Y.K.); (S.H.P.); (J.-S.K.); (H.K.); (J.-W.P.); (J.-H.P.)
| | - Hyejin Kim
- Animal and Plant Quarantine Agency, 177 Hyeoksin-8-ro, Gimcheon-si 39660, Gyeongsangbuk-do, Korea; (S.Y.P.); (J.-M.L.); (A.-Y.K.); (S.H.P.); (J.-S.K.); (H.K.); (J.-W.P.); (J.-H.P.)
- Animal Disease Intervention Center, College of Veterinary Medicine, Kyungpook National University, Daegu 41566, Gyeongsangbuk-do, Korea
| | - Jung-Won Park
- Animal and Plant Quarantine Agency, 177 Hyeoksin-8-ro, Gimcheon-si 39660, Gyeongsangbuk-do, Korea; (S.Y.P.); (J.-M.L.); (A.-Y.K.); (S.H.P.); (J.-S.K.); (H.K.); (J.-W.P.); (J.-H.P.)
| | - Jong-Hyeon Park
- Animal and Plant Quarantine Agency, 177 Hyeoksin-8-ro, Gimcheon-si 39660, Gyeongsangbuk-do, Korea; (S.Y.P.); (J.-M.L.); (A.-Y.K.); (S.H.P.); (J.-S.K.); (H.K.); (J.-W.P.); (J.-H.P.)
| | - Young-Joon Ko
- Animal and Plant Quarantine Agency, 177 Hyeoksin-8-ro, Gimcheon-si 39660, Gyeongsangbuk-do, Korea; (S.Y.P.); (J.-M.L.); (A.-Y.K.); (S.H.P.); (J.-S.K.); (H.K.); (J.-W.P.); (J.-H.P.)
- Correspondence: (Y.-J.K.); (C.-K.P.); Tel.: +82-5491-209-08 (Y.-J.K.); +82-5395-059-73 (C.-K.P.)
| | - Choi-Kyu Park
- Animal Disease Intervention Center, College of Veterinary Medicine, Kyungpook National University, Daegu 41566, Gyeongsangbuk-do, Korea
- Correspondence: (Y.-J.K.); (C.-K.P.); Tel.: +82-5491-209-08 (Y.-J.K.); +82-5395-059-73 (C.-K.P.)
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11
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Cheng H, Yang L, Cai Z, Qiao X, Du L, Hou J, Chen J, Zheng Q. Development of haemagglutination assay for titration of porcine circovirus type 2. Anal Biochem 2020; 598:113706. [PMID: 32275892 DOI: 10.1016/j.ab.2020.113706] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2019] [Revised: 03/22/2020] [Accepted: 03/31/2020] [Indexed: 11/29/2022]
Abstract
Porcine circovirus type 2 (PCV2) was one of the most economically important viral pathogens in all the swine-producing countries and often resulted in tremendous economic losses for the swine industry. As PCV2 could not cause cytopathogenic effects while propagated in infected cells, many complicated experiments should be performed to titrate its virus titer. In this study we developed a simple and effective hemagglutination assay for titration of virus titer of PCV2. To develop the hemagglutination assay, a recombinant bispecific nanobody (BsNb) against PCV2 and chicken red blood cells (cRBCs) was constructed based on two nanobodies (NbPCV11 and NbRBC48) which were selected from the non-immunized nanobody library, respectively. The hemagglutination assay was used to titrate the virus titer of PCV2 propagated in cell culture by simple naked-eye observation within 30 min, with the detection limit of 104.09 tissue culture infective dose 50 (TCID50)/mL, excellent specificity and reproducibility. Therefore, the hemagglutination assay had potential to be a rapid, reliable, cost-effective, user-friendly qualitative and semi-quantitative tool for titration of virus titer of PCV2 during the vaccine manufacturing process.
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Affiliation(s)
- Haiwei Cheng
- Institute of Veterinary Immunology & Engineering, Jiangsu Academy of Agricultural Sciences, Nanjing, 210014, China; National Research Center of Engineering and Technology for Veterinary Biologicals, Ministry of Agriculture, Key Laboratory of Veterinary Biological Engineering and Technology, Jiangsu Academy of Agricultural Sciences, Nanjing, 210014, China; Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou, 225009, China; Jiangsu Key Laboratory for Food Quality and Safety-State Key Laboratory Cultivation Base, Ministry of Science and Technology, China
| | - Li Yang
- College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, 210095, China
| | - Zizheng Cai
- Nanjing Agricultural University, Nanjing, 210095, China
| | - Xuwen Qiao
- Institute of Veterinary Immunology & Engineering, Jiangsu Academy of Agricultural Sciences, Nanjing, 210014, China; National Research Center of Engineering and Technology for Veterinary Biologicals, Ministry of Agriculture, Key Laboratory of Veterinary Biological Engineering and Technology, Jiangsu Academy of Agricultural Sciences, Nanjing, 210014, China; Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou, 225009, China; Jiangsu Key Laboratory for Food Quality and Safety-State Key Laboratory Cultivation Base, Ministry of Science and Technology, China
| | - Luping Du
- Institute of Veterinary Immunology & Engineering, Jiangsu Academy of Agricultural Sciences, Nanjing, 210014, China; National Research Center of Engineering and Technology for Veterinary Biologicals, Ministry of Agriculture, Key Laboratory of Veterinary Biological Engineering and Technology, Jiangsu Academy of Agricultural Sciences, Nanjing, 210014, China; Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou, 225009, China; Jiangsu Key Laboratory for Food Quality and Safety-State Key Laboratory Cultivation Base, Ministry of Science and Technology, China
| | - Jibo Hou
- Institute of Veterinary Immunology & Engineering, Jiangsu Academy of Agricultural Sciences, Nanjing, 210014, China; National Research Center of Engineering and Technology for Veterinary Biologicals, Ministry of Agriculture, Key Laboratory of Veterinary Biological Engineering and Technology, Jiangsu Academy of Agricultural Sciences, Nanjing, 210014, China; Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou, 225009, China; Jiangsu Key Laboratory for Food Quality and Safety-State Key Laboratory Cultivation Base, Ministry of Science and Technology, China
| | - Jin Chen
- Institute of Veterinary Immunology & Engineering, Jiangsu Academy of Agricultural Sciences, Nanjing, 210014, China; National Research Center of Engineering and Technology for Veterinary Biologicals, Ministry of Agriculture, Key Laboratory of Veterinary Biological Engineering and Technology, Jiangsu Academy of Agricultural Sciences, Nanjing, 210014, China; Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou, 225009, China; Jiangsu Key Laboratory for Food Quality and Safety-State Key Laboratory Cultivation Base, Ministry of Science and Technology, China.
| | - Qisheng Zheng
- Institute of Veterinary Immunology & Engineering, Jiangsu Academy of Agricultural Sciences, Nanjing, 210014, China; National Research Center of Engineering and Technology for Veterinary Biologicals, Ministry of Agriculture, Key Laboratory of Veterinary Biological Engineering and Technology, Jiangsu Academy of Agricultural Sciences, Nanjing, 210014, China; Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou, 225009, China; Jiangsu Key Laboratory for Food Quality and Safety-State Key Laboratory Cultivation Base, Ministry of Science and Technology, China.
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12
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Xu S, Jiao C, Jin H, Li W, Li E, Cao Z, Shi Z, Yan F, Zhang S, He H, Chi H, Feng N, Zhao Y, Gao Y, Yang S, Wang J, Wang H, Xia X. A Novel Bacterium-Like Particle-Based Vaccine Displaying the SUDV Glycoprotein Induces Potent Humoral and Cellular Immune Responses in Mice. Viruses 2019; 11:v11121149. [PMID: 31835785 PMCID: PMC6950126 DOI: 10.3390/v11121149] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2019] [Revised: 12/01/2019] [Accepted: 12/07/2019] [Indexed: 01/24/2023] Open
Abstract
Sudan virus (SUDV) causes severe lethal hemorrhagic fever in humans and nonhuman primates. The most effective and economical way to protect against Sudan ebolavirus disease is prophylactic vaccination. However, there are no licensed vaccines to prevent SUDV infections. In this study, a bacterium-like particle (BLP)-based vaccine displaying the extracellular domain of the SUDV glycoprotein (eGP) was developed based on a gram-positive enhancer matrix-protein anchor (GEM-PA) surface display system. Expression of the recombinant GEM-displayed eGP (eGP-PA-GEM) was verified by Western blotting and immunofluorescence assays. The SUDV BLPs (SBLPs), which were mixed with Montanide ISA 201VG plus Poly (I:C) combined adjuvant, could induce high SUDV GP-specific IgG titers of up to 1:40,960 and robust virus-neutralizing antibody titers reached 1:460. The SBLP also elicited T-helper 1 (Th1) and T-helper 2 (Th2) cell-mediated immunity. These data indicate that the SBLP subunit vaccine has the potential to be developed into a promising candidate vaccine against SUDV infections.
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Affiliation(s)
- Shengnan Xu
- College of Animal Science and Technology, Jilin Agricultural University, Changchun 130118, China; (S.X.); (Z.S.)
- Key Laboratory of Jilin Province for Zoonosis Prevention and Control, Military Veterinary Research Institute, Academy of Military Medical Sciences, Changchun 130122, China; (C.J.); (H.J.); (W.L.); (E.L.); (Z.C.); (F.Y.); (S.Z.); (H.C.); (N.F.); (Y.Z.); (Y.G.); (S.Y.); (H.W.)
| | - Cuicui Jiao
- Key Laboratory of Jilin Province for Zoonosis Prevention and Control, Military Veterinary Research Institute, Academy of Military Medical Sciences, Changchun 130122, China; (C.J.); (H.J.); (W.L.); (E.L.); (Z.C.); (F.Y.); (S.Z.); (H.C.); (N.F.); (Y.Z.); (Y.G.); (S.Y.); (H.W.)
| | - Hongli Jin
- Key Laboratory of Jilin Province for Zoonosis Prevention and Control, Military Veterinary Research Institute, Academy of Military Medical Sciences, Changchun 130122, China; (C.J.); (H.J.); (W.L.); (E.L.); (Z.C.); (F.Y.); (S.Z.); (H.C.); (N.F.); (Y.Z.); (Y.G.); (S.Y.); (H.W.)
- Key Laboratory of Zoonosis Research, Ministry of Education, College of Veterinary Medicine, Jilin University, Changchun 130062, China
| | - Wujian Li
- Key Laboratory of Jilin Province for Zoonosis Prevention and Control, Military Veterinary Research Institute, Academy of Military Medical Sciences, Changchun 130122, China; (C.J.); (H.J.); (W.L.); (E.L.); (Z.C.); (F.Y.); (S.Z.); (H.C.); (N.F.); (Y.Z.); (Y.G.); (S.Y.); (H.W.)
- Key Laboratory of Zoonosis Research, Ministry of Education, College of Veterinary Medicine, Jilin University, Changchun 130062, China
| | - Entao Li
- Key Laboratory of Jilin Province for Zoonosis Prevention and Control, Military Veterinary Research Institute, Academy of Military Medical Sciences, Changchun 130122, China; (C.J.); (H.J.); (W.L.); (E.L.); (Z.C.); (F.Y.); (S.Z.); (H.C.); (N.F.); (Y.Z.); (Y.G.); (S.Y.); (H.W.)
- College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, China
| | - Zengguo Cao
- Key Laboratory of Jilin Province for Zoonosis Prevention and Control, Military Veterinary Research Institute, Academy of Military Medical Sciences, Changchun 130122, China; (C.J.); (H.J.); (W.L.); (E.L.); (Z.C.); (F.Y.); (S.Z.); (H.C.); (N.F.); (Y.Z.); (Y.G.); (S.Y.); (H.W.)
- Key Laboratory of Zoonosis Research, Ministry of Education, College of Veterinary Medicine, Jilin University, Changchun 130062, China
| | - Zhikang Shi
- College of Animal Science and Technology, Jilin Agricultural University, Changchun 130118, China; (S.X.); (Z.S.)
- Key Laboratory of Jilin Province for Zoonosis Prevention and Control, Military Veterinary Research Institute, Academy of Military Medical Sciences, Changchun 130122, China; (C.J.); (H.J.); (W.L.); (E.L.); (Z.C.); (F.Y.); (S.Z.); (H.C.); (N.F.); (Y.Z.); (Y.G.); (S.Y.); (H.W.)
| | - Feihu Yan
- Key Laboratory of Jilin Province for Zoonosis Prevention and Control, Military Veterinary Research Institute, Academy of Military Medical Sciences, Changchun 130122, China; (C.J.); (H.J.); (W.L.); (E.L.); (Z.C.); (F.Y.); (S.Z.); (H.C.); (N.F.); (Y.Z.); (Y.G.); (S.Y.); (H.W.)
| | - Shengnan Zhang
- Key Laboratory of Jilin Province for Zoonosis Prevention and Control, Military Veterinary Research Institute, Academy of Military Medical Sciences, Changchun 130122, China; (C.J.); (H.J.); (W.L.); (E.L.); (Z.C.); (F.Y.); (S.Z.); (H.C.); (N.F.); (Y.Z.); (Y.G.); (S.Y.); (H.W.)
- College of Wildlife and Protected Area, Northeast Forestry University, Harbin 150040, China
| | - Hongbin He
- Key Laboratory of Animal Resistant Biology of Shandong, Ruminant Diseases Research Center, College of Life Sciences, Shandong Normal University, Jinan 250014, China;
| | - Hang Chi
- Key Laboratory of Jilin Province for Zoonosis Prevention and Control, Military Veterinary Research Institute, Academy of Military Medical Sciences, Changchun 130122, China; (C.J.); (H.J.); (W.L.); (E.L.); (Z.C.); (F.Y.); (S.Z.); (H.C.); (N.F.); (Y.Z.); (Y.G.); (S.Y.); (H.W.)
- Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou 225000, China
| | - Na Feng
- Key Laboratory of Jilin Province for Zoonosis Prevention and Control, Military Veterinary Research Institute, Academy of Military Medical Sciences, Changchun 130122, China; (C.J.); (H.J.); (W.L.); (E.L.); (Z.C.); (F.Y.); (S.Z.); (H.C.); (N.F.); (Y.Z.); (Y.G.); (S.Y.); (H.W.)
- Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou 225000, China
| | - Yongkun Zhao
- Key Laboratory of Jilin Province for Zoonosis Prevention and Control, Military Veterinary Research Institute, Academy of Military Medical Sciences, Changchun 130122, China; (C.J.); (H.J.); (W.L.); (E.L.); (Z.C.); (F.Y.); (S.Z.); (H.C.); (N.F.); (Y.Z.); (Y.G.); (S.Y.); (H.W.)
- Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou 225000, China
| | - Yuwei Gao
- Key Laboratory of Jilin Province for Zoonosis Prevention and Control, Military Veterinary Research Institute, Academy of Military Medical Sciences, Changchun 130122, China; (C.J.); (H.J.); (W.L.); (E.L.); (Z.C.); (F.Y.); (S.Z.); (H.C.); (N.F.); (Y.Z.); (Y.G.); (S.Y.); (H.W.)
- Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou 225000, China
| | - Songtao Yang
- Key Laboratory of Jilin Province for Zoonosis Prevention and Control, Military Veterinary Research Institute, Academy of Military Medical Sciences, Changchun 130122, China; (C.J.); (H.J.); (W.L.); (E.L.); (Z.C.); (F.Y.); (S.Z.); (H.C.); (N.F.); (Y.Z.); (Y.G.); (S.Y.); (H.W.)
- Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou 225000, China
| | - Jianzhong Wang
- College of Animal Science and Technology, Jilin Agricultural University, Changchun 130118, China; (S.X.); (Z.S.)
- Correspondence: (J.W.); (X.X.)
| | - Hualei Wang
- Key Laboratory of Jilin Province for Zoonosis Prevention and Control, Military Veterinary Research Institute, Academy of Military Medical Sciences, Changchun 130122, China; (C.J.); (H.J.); (W.L.); (E.L.); (Z.C.); (F.Y.); (S.Z.); (H.C.); (N.F.); (Y.Z.); (Y.G.); (S.Y.); (H.W.)
- Key Laboratory of Zoonosis Research, Ministry of Education, College of Veterinary Medicine, Jilin University, Changchun 130062, China
- Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou 225000, China
| | - Xianzhu Xia
- Key Laboratory of Jilin Province for Zoonosis Prevention and Control, Military Veterinary Research Institute, Academy of Military Medical Sciences, Changchun 130122, China; (C.J.); (H.J.); (W.L.); (E.L.); (Z.C.); (F.Y.); (S.Z.); (H.C.); (N.F.); (Y.Z.); (Y.G.); (S.Y.); (H.W.)
- Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou 225000, China
- Correspondence: (J.W.); (X.X.)
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Surface display of classical swine fever virus E2 glycoprotein on gram-positive enhancer matrix (GEM) particles via the SpyTag/SpyCatcher system. Protein Expr Purif 2019; 167:105526. [PMID: 31689499 DOI: 10.1016/j.pep.2019.105526] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2019] [Revised: 10/12/2019] [Accepted: 10/30/2019] [Indexed: 01/20/2023]
Abstract
The E2 envelope protein is the main protective antigen of classical swine fever virus (CSFV). Importantly, gram-positive enhancer matrix (GEM) particles can work as an immunostimulant and/or carrier system to improve the immune effect of antigens. In this study, the artificially designed E2-Spy was expressed and glycosylated in Pichia pastoris, and subsequently conjugated with SpyCatcher-PA which was expressed in Escherichia coli. The conjugated E2-Spy-PA was displayed on the surface of GEM particles, generating the E2-Spy-PA-GEM complex. Blocking ELISA analysis and neutralization assays showed that both E2-Spy and E2-Spy-PA-GEM complexes induced high levels of anti-CSFV antibodies in mice. Furthermore, statistical analyses indicated that the E2-Spy-PA-GEM complex exhibited enhanced immunogenicity compared with E2-Spy alone.
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