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Song H, Abdullah SW, Pei C, Shi X, Chen X, Ma Y, Yin S, Sun S, Huang Y, Guo H. Self-Assembling E2-Based Nanoparticles Improve Vaccine Thermostability and Protective Immunity against CSFV. Int J Mol Sci 2024; 25:596. [PMID: 38203765 PMCID: PMC10778992 DOI: 10.3390/ijms25010596] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2023] [Revised: 12/23/2023] [Accepted: 12/25/2023] [Indexed: 01/12/2024] Open
Abstract
Classical swine fever virus (CSFV) is a highly contagious pathogen causing significant economic losses in the swine industry. Conventional inactivated or attenuated live vaccines for classical swine fever (CSF) are effective but face biosafety concerns and cannot distinguish vaccinated animals from those infected with the field virus, complicating CSF eradication efforts. It is noteworthy that nanoparticle (NP)-based vaccines resemble natural viruses in size and antigen structure, and offer an alternative tool to circumvent these limitations. In this study, we developed an innovative vaccine delivery scaffold utilizing self-assembled mi3 NPs, which form stable structures carrying the CSFV E2 glycoprotein. The expressed yeast E2-fused protein (E2-mi3 NPs) exhibited robust thermostability (25 to 70 °C) and long-term storage stability at room temperature (25 °C). Interestingly, E2-mi3 NPs made with this technology elicited enhanced antigen uptake by RAW264.7 cells. In a rabbit model, the E2-mi3 NP vaccine against CSFV markedly increased CSFV-specific neutralizing antibody titers. Importantly, it conferred complete protection in rabbits challenged with the C-strain of CSFV. Furthermore, we also found that the E2-mi3 NP vaccines triggered stronger cellular (T-lymphocyte proliferation, CD8+ T-lymphocytes, IFN-γ, IL-2, and IL-12p70) and humoral (CSFV-specific neutralizing antibodies, CD4+ T-lymphocytes, and IL-4) immune responses in pigs than the E2 vaccines. To sum up, these structure-based, self-assembled mi3 NPs provide valuable insights for novel antiviral strategies against the constantly infectious agents.
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Affiliation(s)
- Hetao Song
- College of Veterinary Medicine, Northwest A&F University, Yangling 712100, China;
| | - Sahibzada Waheed Abdullah
- State Key Laboratory for Animal Disease Control and Prevention, College of Veterinary Medicine, Lanzhou University, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Lanzhou 730046, China; (S.W.A.); (X.S.); (X.C.); (Y.M.); (S.Y.); (S.S.)
| | - Chenchen Pei
- State Key Laboratory for Animal Disease Control and Prevention, College of Veterinary Medicine, Lanzhou University, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Lanzhou 730046, China; (S.W.A.); (X.S.); (X.C.); (Y.M.); (S.Y.); (S.S.)
| | - Xiaoni Shi
- State Key Laboratory for Animal Disease Control and Prevention, College of Veterinary Medicine, Lanzhou University, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Lanzhou 730046, China; (S.W.A.); (X.S.); (X.C.); (Y.M.); (S.Y.); (S.S.)
| | - Xiangyang Chen
- State Key Laboratory for Animal Disease Control and Prevention, College of Veterinary Medicine, Lanzhou University, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Lanzhou 730046, China; (S.W.A.); (X.S.); (X.C.); (Y.M.); (S.Y.); (S.S.)
| | - Yuqing Ma
- State Key Laboratory for Animal Disease Control and Prevention, College of Veterinary Medicine, Lanzhou University, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Lanzhou 730046, China; (S.W.A.); (X.S.); (X.C.); (Y.M.); (S.Y.); (S.S.)
| | - Shuanghui Yin
- State Key Laboratory for Animal Disease Control and Prevention, College of Veterinary Medicine, Lanzhou University, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Lanzhou 730046, China; (S.W.A.); (X.S.); (X.C.); (Y.M.); (S.Y.); (S.S.)
| | - Shiqi Sun
- State Key Laboratory for Animal Disease Control and Prevention, College of Veterinary Medicine, Lanzhou University, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Lanzhou 730046, China; (S.W.A.); (X.S.); (X.C.); (Y.M.); (S.Y.); (S.S.)
| | - Yong Huang
- College of Veterinary Medicine, Northwest A&F University, Yangling 712100, China;
| | - Huichen Guo
- State Key Laboratory for Animal Disease Control and Prevention, College of Veterinary Medicine, Lanzhou University, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Lanzhou 730046, China; (S.W.A.); (X.S.); (X.C.); (Y.M.); (S.Y.); (S.S.)
- Gansu Province Research Center for Basic Disciplines of Pathogen Biology, Lanzhou 730046, China
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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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3
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Wang F, Hu M, Li N, Sun X, Xing G, Zheng G, Jin Q, Liu Y, Cui C, Zhang G. Precise Assembly of Multiple Antigens on Nanoparticles with Specially Designed Affinity Peptides. ACS APPLIED MATERIALS & INTERFACES 2022; 14:39843-39857. [PMID: 35998372 DOI: 10.1021/acsami.2c10684] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Antigen proteins, assembled on nanoparticles, can be recognized by antigen-presenting cells effectively to enhance antigen immunogenicity. The ability to simultaneously display multiantigens on the same nanoparticle could have numerous applications but remained technical challenges. Here, we described a method for precise assembly of multiple antigens on nanoparticles with specially designed affinity peptides. First, we designed and screened affinity peptides with high affinity and specificity, which could respectively target the key amino acid residues of classical swine fever virus (CSFV) E2 protein or porcine circovirus type 2 capsid protein (PCV2 Cap) accurately. Then, we conjugated the antigen proteins to poly(lactic acid-glycolic acid) copolymer (PLGA) and Gram-positive enhancer matrix (GEM) nanoparticles through the peptides and perfectly assembled two kinds of multiantigen display nanoparticles with different particle sizes. Subsequently, the immunological properties of the assembled nanoparticles were tested. The results showed that the antigen display nanoparticles could promote the maturation, phagocytosis, and proinflammatory effects of antigen-presenting cells (APCs). Besides, compared with the antigen proteins, multiantigen display nanoparticles could induce much higher levels of antibodies and neutralizing antibodies in mice. This strategy may provide a technical support for the study of protein structure and the research and development of polyvalent vaccines.
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Affiliation(s)
- Fangyu Wang
- Key Laboratory for Animal Immunology, Henan Academy of Agricultural Sciences, Zhengzhou, Henan 450000, China
| | - Man Hu
- Key Laboratory for Animal Immunology, Henan Academy of Agricultural Sciences, Zhengzhou, Henan 450000, China
| | - Ning Li
- College of Food Science and Technology, Henan Agricultural University, Zhengzhou, Henan 450000, China
| | - Xuefeng Sun
- Key Laboratory for Animal Immunology, Henan Academy of Agricultural Sciences, Zhengzhou, Henan 450000, China
| | - Guangxu Xing
- Key Laboratory for Animal Immunology, Henan Academy of Agricultural Sciences, Zhengzhou, Henan 450000, China
| | - Guanmin Zheng
- Public Health and Preventive Medicine Teaching and Research Center, Henan University of Chinese Medicine, Zhengzhou, Henan 450000, China
| | - Qianyue Jin
- Key Laboratory for Animal Immunology, Henan Academy of Agricultural Sciences, Zhengzhou, Henan 450000, China
| | - Yunchao Liu
- Key Laboratory for Animal Immunology, Henan Academy of Agricultural Sciences, Zhengzhou, Henan 450000, China
| | - Chenxu Cui
- College of Food Science and Technology, Henan Agricultural University, Zhengzhou, Henan 450000, China
| | - Gaiping Zhang
- Key Laboratory for Animal Immunology, Henan Academy of Agricultural Sciences, Zhengzhou, Henan 450000, China
- School of Advanced Agricultural Sciences, Peking University, Beijing 100871, China
- Jiangsu Co-Innovation Center for the Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou University, Yangzhou, Jiangsu 225009, China
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Li F, Li B, Niu X, Chen W, Li Y, Wu K, Li X, Ding H, Zhao M, Chen J, Yi L. The Development of Classical Swine Fever Marker Vaccines in Recent Years. Vaccines (Basel) 2022; 10:vaccines10040603. [PMID: 35455351 PMCID: PMC9026404 DOI: 10.3390/vaccines10040603] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2022] [Revised: 04/05/2022] [Accepted: 04/10/2022] [Indexed: 02/01/2023] Open
Abstract
Classical swine fever (CSF) is a severe disease that has caused serious economic losses for the global pig industry and is widely prevalent worldwide. In recent decades, CSF has been effectively controlled through compulsory vaccination with a live CSF vaccine (C strain). It has been successfully eradicated in some countries or regions. However, the re-emergence of CSF in Japan and Romania, where it had been eradicated, has brought increased attention to the disease. Because the traditional C-strain vaccine cannot distinguish between vaccinated and infected animals (DIVA), this makes it difficult to fight CSF. The emergence of marker vaccines is considered to be an effective strategy for the decontamination of CSF. This paper summarizes the progress of the new CSF marker vaccine and provides a detailed overview of the vaccine design ideas and immunization effects. It also provides a methodology for the development of a new generation of vaccines for CSF and vaccine development for other significant epidemics.
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Affiliation(s)
- Fangfang Li
- College of Veterinary Medicine, South China Agricultural University, No. 483 Wushan Road, Tianhe District, Guangzhou 510642, China; (F.L.); (B.L.); (X.N.); (W.C.); (Y.L.); (K.W.); (X.L.); (H.D.); (M.Z.)
- 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
| | - Bingke Li
- College of Veterinary Medicine, South China Agricultural University, No. 483 Wushan Road, Tianhe District, Guangzhou 510642, China; (F.L.); (B.L.); (X.N.); (W.C.); (Y.L.); (K.W.); (X.L.); (H.D.); (M.Z.)
- 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
| | - Xinni Niu
- College of Veterinary Medicine, South China Agricultural University, No. 483 Wushan Road, Tianhe District, Guangzhou 510642, China; (F.L.); (B.L.); (X.N.); (W.C.); (Y.L.); (K.W.); (X.L.); (H.D.); (M.Z.)
- 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; (F.L.); (B.L.); (X.N.); (W.C.); (Y.L.); (K.W.); (X.L.); (H.D.); (M.Z.)
- 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
| | - Yuwan Li
- College of Veterinary Medicine, South China Agricultural University, No. 483 Wushan Road, Tianhe District, Guangzhou 510642, China; (F.L.); (B.L.); (X.N.); (W.C.); (Y.L.); (K.W.); (X.L.); (H.D.); (M.Z.)
- 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; (F.L.); (B.L.); (X.N.); (W.C.); (Y.L.); (K.W.); (X.L.); (H.D.); (M.Z.)
- 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; (F.L.); (B.L.); (X.N.); (W.C.); (Y.L.); (K.W.); (X.L.); (H.D.); (M.Z.)
- 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; (F.L.); (B.L.); (X.N.); (W.C.); (Y.L.); (K.W.); (X.L.); (H.D.); (M.Z.)
- 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
| | - Mingqiu Zhao
- College of Veterinary Medicine, South China Agricultural University, No. 483 Wushan Road, Tianhe District, Guangzhou 510642, China; (F.L.); (B.L.); (X.N.); (W.C.); (Y.L.); (K.W.); (X.L.); (H.D.); (M.Z.)
- 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
| | - Jinding Chen
- College of Veterinary Medicine, South China Agricultural University, No. 483 Wushan Road, Tianhe District, Guangzhou 510642, China; (F.L.); (B.L.); (X.N.); (W.C.); (Y.L.); (K.W.); (X.L.); (H.D.); (M.Z.)
- 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
- Correspondence: (J.C.); (L.Y.); Tel.: +86-20-8528-8017 (J.C.); +86-20-8528-8017 (L.Y.)
| | - Lin Yi
- College of Veterinary Medicine, South China Agricultural University, No. 483 Wushan Road, Tianhe District, Guangzhou 510642, China; (F.L.); (B.L.); (X.N.); (W.C.); (Y.L.); (K.W.); (X.L.); (H.D.); (M.Z.)
- 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
- Correspondence: (J.C.); (L.Y.); Tel.: +86-20-8528-8017 (J.C.); +86-20-8528-8017 (L.Y.)
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Hu M, Wang F, Li N, Xing G, Sun X, Zhang Y, Cao S, Cui N, Zhang G. An antigen display system of GEM nanoparticles based on affinity peptide ligands. Int J Biol Macromol 2021; 193:574-584. [PMID: 34699894 DOI: 10.1016/j.ijbiomac.2021.10.135] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2021] [Revised: 10/08/2021] [Accepted: 10/18/2021] [Indexed: 10/20/2022]
Abstract
Gram-positive enhancer matrix (GEM) nanoparticles are often used in mucosal immunity, preparation of subunit vaccines or as an immune adjuvant due to its good immunological activities in recent years. Here, we designed and screened out a high affinity peptide ligand PL23, which could specifically target the non-epitope region of Classic Swine Fever Virus (CSFV) E2 protein, by virtual screening technology, enzyme linked immunosorbent assay (ELISA) and surface plasmon resonance (SPR) test. The OD value of PL23 at 450 nm was reached 1.982, and the KD value of it was 90.12 nM. Its binding capacity to protein was verified by SDS-PAGE as well. PL23 was subsequently conjugated to GEM nanoparticles by dehydration synthesis generating GEM-PL23 particles, and the GEM-PL-E2 particles were assembled after incubated with CSFV E2 protein. The cytotoxic test indicated that PL23, CSFV E2 protein, GEM nanoparticles, GEM-PL23 particles and GEM-PL-E2 particles were not toxic to cells and GEM nanoparticles could significantly promote the growth of APCs at high concentration for 1 h, p<0.001. In addition, GEM nanoparticles could promote the uptake of antigen by APCs. The cytokines tests suggested that GEM-PL-E2 particles could promote innate immune responses, regulate adaptive immune responses generated by T cells and APCs, and promote the differentiation and maturation of dendritic cells without producing inflammasomes. The results of immunological activity identification showed GEM-PL-E2 particles induced higher levels of both neutralizing antibodies and anti-CSFV antibodies than CSFV E2 protein in mice. This strategy provided a new, simpler, faster and cheaper method for assembling GEM nanoparticles, using an affinity peptide ligand replaced the protein anchor (PA), and provided a better application prospect for the application of GEM particles.
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Affiliation(s)
- Man Hu
- College of Veterinary Medicine, Jilin University, Changchun, Jilin, China; Key Laboratory for Animal Immunology, Henan Academy of Agricultural Sciences, Zhengzhou, Henan, China
| | - Fangyu Wang
- Key Laboratory for Animal Immunology, Henan Academy of Agricultural Sciences, Zhengzhou, Henan, China
| | - Ning Li
- College of Food Science and Technology, Henan Agricultural University, Zhengzhou, Henan, China
| | - Guangxu Xing
- Key Laboratory for Animal Immunology, Henan Academy of Agricultural Sciences, Zhengzhou, Henan, China
| | - Xuefeng Sun
- Key Laboratory for Animal Immunology, Henan Academy of Agricultural Sciences, Zhengzhou, Henan, China
| | - Yunshang Zhang
- Key Laboratory for Animal Immunology, Henan Academy of Agricultural Sciences, Zhengzhou, Henan, China
| | - Shuai Cao
- College of Food Science and Technology, Henan Agricultural University, Zhengzhou, Henan, China
| | - Ningning Cui
- College of Food Science and Technology, Henan Agricultural University, Zhengzhou, Henan, China
| | - Gaiping Zhang
- College of Veterinary Medicine, Jilin University, Changchun, Jilin, China; Key Laboratory for Animal Immunology, Henan Academy of Agricultural Sciences, Zhengzhou, Henan, China.
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A potential method for one-step purification and direct immobilization of target protein in cell lysate with magnetic microbeads. Biochem Eng J 2021. [DOI: 10.1016/j.bej.2021.108182] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Kajiwara K, Aoki W, Koike N, Ueda M. Development of a yeast cell surface display method using the SpyTag/SpyCatcher system. Sci Rep 2021; 11:11059. [PMID: 34040114 PMCID: PMC8155107 DOI: 10.1038/s41598-021-90593-w] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2021] [Accepted: 05/12/2021] [Indexed: 12/05/2022] Open
Abstract
Yeast cell surface display (YSD) has been used to engineer various proteins, including antibodies. Directed evolution, which subjects a gene to iterative rounds of mutagenesis, selection and amplification, is useful for protein engineering. In vivo continuous mutagenesis, which continuously diversifies target genes in the host cell, is a promising tool for accelerating directed evolution. However, combining in vivo continuous evolution and YSD is difficult because mutations in the gene encoding the anchor proteins may inhibit the display of target proteins on the cell surface. In this study, we have developed a modified YSD method that utilises SpyTag/SpyCatcher-based in vivo protein ligation. A nanobody fused with a SpyTag of 16 amino acids and an anchor protein fused with a SpyCatcher of 113 amino acids are encoded by separate gene cassettes and then assembled via isopeptide bond formation. This system achieved a high display efficiency of more than 90%, no intercellular protein ligation events, and the enrichment of target cells by cell sorting. These results suggested that our system demonstrates comparable performance with conventional YSD methods; therefore, it can be an appropriate platform to be integrated with in vivo continuous evolution.
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Affiliation(s)
- Kaho Kajiwara
- Division of Applied Life Sciences, Graduate School of Agriculture, Kyoto University, Sakyo-ku, Kyoto, 606-8502, Japan
| | - Wataru Aoki
- Division of Applied Life Sciences, Graduate School of Agriculture, Kyoto University, Sakyo-ku, Kyoto, 606-8502, Japan
- JST, CREST, 7 Goban-cho, Chiyoda-ku, Tokyo, 102-0076, Japan
| | - Naoki Koike
- TechnoPro, Inc. TechnoPro R&D, Company, Tokyo, Japan
| | - Mitsuyoshi Ueda
- Division of Applied Life Sciences, Graduate School of Agriculture, Kyoto University, Sakyo-ku, Kyoto, 606-8502, Japan.
- JST, CREST, 7 Goban-cho, Chiyoda-ku, Tokyo, 102-0076, Japan.
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Research Progress and Challenges in Vaccine Development against Classical Swine Fever Virus. Viruses 2021; 13:v13030445. [PMID: 33801868 PMCID: PMC7998128 DOI: 10.3390/v13030445] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2021] [Revised: 03/01/2021] [Accepted: 03/04/2021] [Indexed: 01/06/2023] Open
Abstract
Classical swine fever (CSF), caused by CSF virus (CSFV), is one of the most devastating viral epizootic diseases of swine in many countries. To control the disease, highly efficacious and safe live attenuated vaccines have been used for decades. However, the main drawback of these conventional vaccines is the lack of differentiability of infected from vaccinated animals (DIVA concept). Advances in biotechnology and our detailed knowledge of multiple basic science disciplines have facilitated the development of effective and safer DIVA vaccines to control CSF. To date, two types of DIVA vaccines have been developed commercially, including the subunit vaccines based on CSFV envelope glycoprotein E2 and chimeric pestivirus vaccines based on infectious cDNA clones of CSFV or bovine viral diarrhea virus (BVDV). Although inoculation of these vaccines successfully induces solid immunity against CSFV, none of them could ideally meet all demands regarding to safety, efficacy, DIVA potential, and marketability. Due to the limitations of the available choices, researchers are still striving towards the development of more advanced DIVA vaccines against CSF. This review summarizes the present status of candidate CSFV vaccines that have been developed. The strategies and approaches revealed here may also be helpful for the development of new-generation vaccines against other diseases.
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Karimi Baba Ahmadi M, Mohammadi SA, Makvandi M, Mamoueie M, Rahmati M, Wood D. Column-free purification and coating of SpyCatcher protein on ELISA wells generates universal solid support for capturing of SpyTag-fusion protein from the non-purified condition. Protein Expr Purif 2020; 174:105650. [PMID: 32360597 PMCID: PMC7189850 DOI: 10.1016/j.pep.2020.105650] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2020] [Revised: 04/02/2020] [Accepted: 04/20/2020] [Indexed: 01/22/2023]
Abstract
•Spy Tag-Protein covalent interaction is rapid and specific method for protein immobilization.•Column free purification of SpyCatcher protein enables develop a universal solid support for SpyTag protein purification.•This method is highly simple and applicable to other proteins.
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Affiliation(s)
- Mohammad Karimi Baba Ahmadi
- Department of Medical Biotechnology, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Seyed Abolghasem Mohammadi
- Department of Medical Biotechnology, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences, Tabriz, Iran; Department of Plant Breeding and Biotechnology, Faculty of Agriculture, University of Tabriz, Tabriz, Iran
| | - Manoochehr Makvandi
- Department of Virology, School of Medicine, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Morteza Mamoueie
- Department of Animal Science, Ramin Agricultural and Natural Resources University, Ahvaz, Iran
| | - Mohammad Rahmati
- Department of Medical Biotechnology, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences, Tabriz, Iran; Department of Animal Science, Ramin Agricultural and Natural Resources University, Ahvaz, Iran.
| | - David Wood
- Department of Chemical and Biomolecular Engineering, The Ohio State University, 151 W. Woodruff Ave., Columbus, OH, 43210, USA
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Hofmann T, Krah S, Sellmann C, Zielonka S, Doerner A. Greatest Hits-Innovative Technologies for High Throughput Identification of Bispecific Antibodies. Int J Mol Sci 2020; 21:E6551. [PMID: 32911608 PMCID: PMC7554978 DOI: 10.3390/ijms21186551] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2020] [Revised: 09/03/2020] [Accepted: 09/04/2020] [Indexed: 12/15/2022] Open
Abstract
Recent years have shown a tremendous increase and diversification in antibody-based therapeutics with advances in production techniques and formats. The plethora of currently investigated bi- to multi-specific antibody architectures can be harnessed to elicit a broad variety of specific modes of actions in oncology and immunology, spanning from enhanced selectivity to effector cell recruitment, all of which cannot be addressed by monospecific antibodies. Despite continuously growing efforts and methodologies, the identification of an optimal bispecific antibody as the best possible combination of two parental monospecific binders, however, remains challenging, due to tedious cloning and production, often resulting in undesired extended development times and increased expenses. Although automated high throughput screening approaches have matured for pharmaceutical small molecule development, it was only recently that protein bioconjugation technologies have been developed for the facile generation of bispecific antibodies in a 'plug and play' manner. In this review, we provide an overview of the most relevant methodologies for bispecific screening purposes-the DuoBody concept, paired light chain single cell production approaches, Sortase A and Transglutaminase, the SpyTag/SpyCatcher system, and inteins-and elaborate on the benefits as well as drawbacks of the different technologies.
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Affiliation(s)
- Tim Hofmann
- Advanced Cell Culture Technologies, Merck Life Sciences KGaA, Frankfurter Strasse 250, D-64293 Darmstadt, Germany;
| | - Simon Krah
- Protein Engineering and Antibody Technologies, Merck Healthcare KGaA, Frankfurter Strasse 250, D-64293 Darmstadt, Germany; (S.K.); (C.S.); (S.Z.)
| | - Carolin Sellmann
- Protein Engineering and Antibody Technologies, Merck Healthcare KGaA, Frankfurter Strasse 250, D-64293 Darmstadt, Germany; (S.K.); (C.S.); (S.Z.)
| | - Stefan Zielonka
- Protein Engineering and Antibody Technologies, Merck Healthcare KGaA, Frankfurter Strasse 250, D-64293 Darmstadt, Germany; (S.K.); (C.S.); (S.Z.)
| | - Achim Doerner
- Protein Engineering and Antibody Technologies, Merck Healthcare KGaA, Frankfurter Strasse 250, D-64293 Darmstadt, Germany; (S.K.); (C.S.); (S.Z.)
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Ganges L, Crooke HR, Bohórquez JA, Postel A, Sakoda Y, Becher P, Ruggli N. Classical swine fever virus: the past, present and future. Virus Res 2020; 289:198151. [PMID: 32898613 DOI: 10.1016/j.virusres.2020.198151] [Citation(s) in RCA: 86] [Impact Index Per Article: 21.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2020] [Revised: 08/24/2020] [Accepted: 08/28/2020] [Indexed: 12/22/2022]
Abstract
Classical swine fever (CSF) is among the most relevant viral epizootic diseases of swine. Due to its severe economic impact, CSF is notifiable to the world organisation for animal health. Strict control policies, including systematic stamping out of infected herds with and without vaccination, have permitted regional virus eradication. Nevertheless, CSF virus (CSFV) persists in certain areas of the world and has re-emerged regularly. This review summarizes the basic established knowledge in the field and provides a comprehensive and updated overview of the recent advances in fundamental CSFV research, diagnostics and vaccine development. It covers the latest discoveries on the genetic diversity of pestiviruses, with implications for taxonomy, the progress in understanding disease pathogenesis, immunity against acute and persistent infections, and the recent findings in virus-host interactions and virulence determinants. We also review the progress and pitfalls in the improvement of diagnostic tools and the challenges in the development of modern and efficacious marker vaccines compatible with serological tests for disease surveillance. Finally, we highlight the gaps that require research efforts in the future.
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Affiliation(s)
- Llilianne Ganges
- OIE Reference Laboratory for Classical Swine Fever, Institute of Agrifood Research and Technology, Centre de Recerca en Sanitat Animal (CReSA), 08193 Barcelona, Spain.
| | - Helen R Crooke
- Virology Department, Animal and Plant Health Agency, APHA-Weybridge, Woodham Lane, New Haw, Addlestone, KT15 3NB, UK
| | - Jose Alejandro Bohórquez
- OIE Reference Laboratory for Classical Swine Fever, Institute of Agrifood Research and Technology, Centre de Recerca en Sanitat Animal (CReSA), 08193 Barcelona, Spain
| | - Alexander Postel
- EU & OIE Reference Laboratory for Classical Swine Fever, Institute of Virology, University of Veterinary Medicine, Hannover, Buenteweg 17, 30559 Hannover, Germany
| | - Yoshihiro Sakoda
- Laboratory of Microbiology, Faculty of Veterinary Medicine, Hokkaido University, Kita 18 Nishi 9, Kita-ku, Sapporo, 060-0818, Japan
| | - Paul Becher
- EU & OIE Reference Laboratory for Classical Swine Fever, Institute of Virology, University of Veterinary Medicine, Hannover, Buenteweg 17, 30559 Hannover, Germany
| | - Nicolas Ruggli
- The Institute of Virology and Immunology IVI, Mittelhäusern, Switzerland; Department of Infectious Diseases and Pathobiology, University of Bern, Bern, Switzerland
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