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Liu K, Li Z, Li Q, Wang S, Curtiss R, Shi H. Salmonella typhimurium Vaccine Candidate Delivering Infectious Bronchitis Virus S1 Protein to Induce Protection. Biomolecules 2024; 14:133. [PMID: 38275762 PMCID: PMC10813627 DOI: 10.3390/biom14010133] [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: 01/18/2024] [Accepted: 01/18/2024] [Indexed: 01/27/2024] Open
Abstract
Infectious bronchitis (IB) is a highly infectious viral disease of chickens which causes significant economic losses in the poultry industry worldwide. An effective vaccine against IB is urgently needed to provide both biosafety and high-efficiency immune protection. In this study, the S1 protein of the infectious bronchitis virus was delivered by a recombinant attenuated Salmonella typhimurium vector to form the vaccine candidate χ11246(pYA4545-S1). S. typhimurium χ11246 carried a sifA- mutation with regulated delayed systems, striking a balance between host safety and immunogenicity. Here, we demonstrated that S1 protein is highly expressed in HD11 cells. Immunization with χ11246(pYA4545-S1) induced the production of antibody and cytokine, leading to an effective immune response against IB. Oral immunization with χ11246(pYA4545-S1) provided 72%, 56%, and 56% protection in the lacrimal gland, trachea, and cloaca against infectious bronchitis virus infection, respectively. Furthermore, it significantly reduced histopathological lesions in chickens. Together, this study provides a new idea for the prevention of IB.
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Affiliation(s)
- Kaihui Liu
- College of Veterinary Medicine, Yangzhou University, Yangzhou 225009, China; (K.L.); (Z.L.); (Q.L.)
- Jiangsu Co-Innovation Center for the Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou 225009, China
| | - Zewei Li
- College of Veterinary Medicine, Yangzhou University, Yangzhou 225009, China; (K.L.); (Z.L.); (Q.L.)
- Jiangsu Co-Innovation Center for the Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou 225009, China
| | - Quan Li
- College of Veterinary Medicine, Yangzhou University, Yangzhou 225009, China; (K.L.); (Z.L.); (Q.L.)
- Jiangsu Co-Innovation Center for the Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou 225009, China
| | - Shifeng Wang
- Department of Infectious Diseases and Immunology, College of Veterinary Medicine, University of Florida, Gainesville, FL 32611, USA; (S.W.)
| | - Roy Curtiss
- Department of Infectious Diseases and Immunology, College of Veterinary Medicine, University of Florida, Gainesville, FL 32611, USA; (S.W.)
| | - Huoying Shi
- College of Veterinary Medicine, Yangzhou University, Yangzhou 225009, China; (K.L.); (Z.L.); (Q.L.)
- Jiangsu Co-Innovation Center for the Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou 225009, China
- Joint International Research Laboratory of Agriculture and Agri-Product Safety, Yangzhou University (JIRLAAPS), Yangzhou 225009, China
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Peng P, Gao Y, Zhou Q, Jiang T, Zheng S, Huang M, Xue C, Cao Y, Xu Z. Development of an indirect ELISA for detecting swine acute diarrhoea syndrome coronavirus IgG antibodies based on a recombinant spike protein. Transbound Emerg Dis 2021; 69:2065-2075. [PMID: 34148289 DOI: 10.1111/tbed.14196] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2020] [Revised: 06/08/2021] [Accepted: 06/16/2021] [Indexed: 11/29/2022]
Abstract
Swine acute diarrhoea syndrome coronavirus (SADS-CoV) is a newly identified swine enteropathogenic coronavirus that causes watery diarrhoea in neonatal piglets, leading to significant economic losses to the swine industry. Currently, there are no suitable serological methods to assess the infection of SADS-CoV and effectiveness of vaccines, making an urgent need to exploit effective enzyme-linked immunosorbent assay (ELISA) to compensate for this deficiency. Here, a recombinant plasmid that expresses the spike (S) protein of SADS-CoV fused to the Fc domain of human IgG was constructed to generate recombinant baculovirus and expressed in HEK 293F cells. The S-Fc protein was purified with protein G Resin, which retained reactivity with anti-human Fc and anti-SADS-CoV antibodies. The S-Fc protein was then used to develop an indirect ELISA (S-iELISA) and the reaction conditions of S-iELISA were optimized. As a result, the cut-off value was determined as 0.3711 by analyzing OD450nm values of 40 SADS-CoV-negative sera confirmed by immunofluorescence assay (IFA) and western blot. The coefficient of variation (CV) of 6 SADS-CoV-positive sera within and between runs of S-iELISA were both less than 10%. The cross-reactivity assays demonstrated that S-iELISA was non-cross-reactive with other swine viruses' sera. Furthermore, the overall coincidence rate between IFA and S-iELISA was 97.3% based on testing 111 clinical serum samples. Virus neutralization test with seven different OD450nm values of the sera showed that the OD450nm values tested by S-iELISA are positively correlated with the virus neutralization assay. Finally, a total of 300 pig field serum samples were tested by S-iELISA and commercial kits of other swine enteroviruses showed that the IgG-positive for SADS-CoV, TGEV, PDCoV and PEDV was 81.7, 54, 65.3 and 6%, respectively. The results suggest that this S-iELISA is specific, sensitive, repeatable and can be applied for the detection of the SADS-CoV infection in the swine industry.
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Affiliation(s)
- Peng Peng
- State Key Laboratory of Biocontrol, School of Life Science, Sun Yat-sen University, Guangzhou, China
| | - Yuepeng Gao
- Agricultural product Quality and Safety Inspection and Testing Center, Shenzhen, China
| | - Qingfeng Zhou
- Wen' s Group Academy, Wen' s Foodstuffs Group Co, Ltd, Xinxing, Guangdong, China
| | - Tianhua Jiang
- Wen' s Group Academy, Wen' s Foodstuffs Group Co, Ltd, Xinxing, Guangdong, China
| | - Shumei Zheng
- State Key Laboratory of Biocontrol, School of Life Science, Sun Yat-sen University, Guangzhou, China
| | - Meiyan Huang
- State Key Laboratory of Biocontrol, School of Life Science, Sun Yat-sen University, Guangzhou, China
| | - Chunyi Xue
- State Key Laboratory of Biocontrol, School of Life Science, Sun Yat-sen University, Guangzhou, China
| | - Yongchang Cao
- State Key Laboratory of Biocontrol, School of Life Science, Sun Yat-sen University, Guangzhou, China
| | - Zhichao Xu
- State Key Laboratory of Biocontrol, School of Life Science, Sun Yat-sen University, Guangzhou, China
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Hasan A, Paray BA, Hussain A, Qadir FA, Attar F, Aziz FM, Sharifi M, Derakhshankhah H, Rasti B, Mehrabi M, Shahpasand K, Saboury AA, Falahati M. A review on the cleavage priming of the spike protein on coronavirus by angiotensin-converting enzyme-2 and furin. J Biomol Struct Dyn 2021; 39:3025-3033. [PMID: 32274964 PMCID: PMC7189411 DOI: 10.1080/07391102.2020.1754293] [Citation(s) in RCA: 211] [Impact Index Per Article: 70.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2020] [Accepted: 04/06/2020] [Indexed: 12/14/2022]
Abstract
The widespread antigenic changes lead to the emergence of a new type of coronavirus (CoV) called as severe acute respiratory syndrome (SARS)-CoV-2 that is immunologically different from the previous circulating species. Angiotensin-converting enzyme-2 (ACE-2) is one of the most important receptors on the cell membrane of the host cells (HCs) which its interaction with spike protein (SP) with a furin-cleavage site results in the SARS-CoV-2 invasion. Hence, in this review, we presented an overview on the interaction of ACE-2 and furin with SP. As several kinds of CoVs, from various genera, have at their S1/S2 binding site a preserved site, we further surveyed the role of furin cleavage site (FCS) on the life cycle of the CoV. Furthermore, we discussed that the small molecular inhibitors can limit the interaction of ACE-2 and furin with SP and can be used as potential therapeutic platforms to combat the spreading CoV epidemic. Finally, some ongoing challenges and future prospects for the development of potential drugs to promote targeting specific activities of the CoV were reviewed. In conclusion, this review may pave the way for providing useful information about different compounds involved in improving the effectiveness of CoV vaccine or drugs with minimum toxicity against human health.Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
- Anwarul Hasan
- Department of Mechanical and Industrial Engineering, College of Engineering, Qatar University, Doha, Qatar
- Biomedical Research Center, Qatar University, Doha, Qatar
| | - Bilal Ahamad Paray
- Department of Zoology, College of Science, King Saud University, Riyadh, Saudi Arabia
| | - Arif Hussain
- School of Life Sciences, Manipal Academy of Higher Education, Dubai, United Arab Emirates
| | - Fikry Ali Qadir
- Department of Biology, Salahaddin University-Erbil, Kurdistan Region, Iraq
| | - Farnoosh Attar
- Faculty of Food Industry and Agriculture, Department of Biology, Standard Research Institute (SRI), Karaj, Iran
| | | | - Majid Sharifi
- Department of Nanotechnology, Faculty of Advanced Science and Technology, Tehran Medical Sciences, Islamic Azad University, Tehran, Iran;
| | - Hossein Derakhshankhah
- Pharmaceutical Sciences Research Center, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Behnam Rasti
- Department of Microbiology, Faculty of Basic Sciences, Lahijan Branch, Islamic Azad University (IAU), Lahijan, Guilan, Iran
| | - Masoumeh Mehrabi
- Department of Microbiology, Faculty of Basic Sciences, Lahijan Branch, Islamic Azad University (IAU), Lahijan, Guilan, Iran
| | - Koorosh Shahpasand
- Department of Stem Cells and Developmental Biology, Cell Science Research Center, Royan Institute for Stem Cell Biology and Technology (RI-SCBT), Tehran, Iran
| | - Ali Akbar Saboury
- Institute of Biochemistry and Biophysics, University of Tehran, Tehran, Iran
| | - Mojtaba Falahati
- Department of Nanotechnology, Faculty of Advanced Science and Technology, Tehran Medical Sciences, Islamic Azad University, Tehran, Iran;
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Li Q, Xu Z, Wu T, Peng O, Huang L, Zhang Y, Xue C, Wen Z, Zhou Q, Cao Y. A flagellin-adjuvanted PED subunit vaccine improved protective efficiency against PEDV variant challenge in pigs. Vaccine 2018; 36:4228-4235. [DOI: 10.1016/j.vaccine.2018.05.124] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2018] [Revised: 05/21/2018] [Accepted: 05/31/2018] [Indexed: 02/06/2023]
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Li Q, Peng O, Wu T, Xu Z, Huang L, Zhang Y, Xue C, Wen Z, Zhou Q, Cao Y. PED subunit vaccine based on COE domain replacement of flagellin domain D3 improved specific humoral and mucosal immunity in mice. Vaccine 2018; 36:1381-1388. [PMID: 29426660 DOI: 10.1016/j.vaccine.2018.01.086] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2017] [Revised: 01/22/2018] [Accepted: 01/28/2018] [Indexed: 12/15/2022]
Abstract
Porcine epidemic diarrhea (PED) is an important re-emergent infectious disease and inflicts huge economic losses to the swine industry worldwide. To meet the pressing need of developing a safe and cost-efficient PED maternal vaccine, we generated three PED subunit vaccine candidates, using recombined Salmonella flagellin (rSF) as a mucosal molecular adjuvant. Domain D3 in rSF was replaced with COE domain of PEDV to generate rSF-COE-3D. COE fused to the flanking C'/N' terminal of rSF yielded rSF-COE-C and rSF-COE-N. As a result, rSF-COE-3D could significantly improve COE specific antibody production including serum IgG, serum IgA, mucosal IgA and PEDV neutralizing antibody. Furthermore, rSF-COE-3D elicited more CD3+CD8+ T cell and cytokine production of IFN-γ and IL-4 in mouse splenocytes. In summary, our data showed that rSF-COE-3D could improve specific humoral and mucosal immunity in mice, thus suggesting that rSF-COE-3D could be applied as a novel efficient maternal PED vaccine.
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Affiliation(s)
- Qianniu Li
- State Key Laboratory of Biocontrol, School of Life Science, Sun Yat-sen University, Guangzhou 510006, China
| | - Ouyang Peng
- State Key Laboratory of Biocontrol, School of Life Science, Sun Yat-sen University, Guangzhou 510006, China
| | - Tingting Wu
- State Key Laboratory of Biocontrol, School of Life Science, Sun Yat-sen University, Guangzhou 510006, China
| | - Zhichao Xu
- State Key Laboratory of Biocontrol, School of Life Science, Sun Yat-sen University, Guangzhou 510006, China
| | - Licheng Huang
- State Key Laboratory of Biocontrol, School of Life Science, Sun Yat-sen University, Guangzhou 510006, China
| | - Yun Zhang
- State Key Laboratory of Biocontrol, School of Life Science, Sun Yat-sen University, Guangzhou 510006, China
| | - Chunyi Xue
- State Key Laboratory of Biocontrol, School of Life Science, Sun Yat-sen University, Guangzhou 510006, China
| | - Zhifen Wen
- Guangdong Wen's Foodstuffs Group Co, Ltd, Yunfu 527300, China
| | - Qingfeng Zhou
- Guangdong Wen's Foodstuffs Group Co, Ltd, Yunfu 527300, China
| | - Yongchang Cao
- State Key Laboratory of Biocontrol, School of Life Science, Sun Yat-sen University, Guangzhou 510006, China; Guangdong Wen's Foodstuffs Group Co, Ltd, Yunfu 527300, China.
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Chen L, Yin L, Zhou Q, Li Q, Luo Y, Xu Z, Zhang Y, Xue C, Cao Y. Immunogenicity and protective efficacy of recombinant fiber-2 protein in protecting SPF chickens against fowl adenovirus 4. Vaccine 2018; 36:1203-1208. [PMID: 29395523 DOI: 10.1016/j.vaccine.2018.01.028] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2017] [Revised: 12/29/2017] [Accepted: 01/10/2018] [Indexed: 11/30/2022]
Abstract
Since a novel hyper-virulent fowl adenovirus serotype 4 (FAdV-4) infection occurred in 2015, the novel FAdV-4 has been widely spreading across China, causing significant economic losses to the poultry industry. As the urgency of the issue calls for effective and efficient solutions, the present study investigated the possibility of the fiber-2 protein of the FAdV-4 to serve as a vaccine candidate against the novel FAdV-4. In the research, fiber-2 proteins were expressed in Escherichia coli, and then purified. To evaluate the immunogenicity of the recombinant fiber-2 protein, we investigated both the humoral and cellular immune responses in chickens immunized with fiber-2. The humoral immunity was assessed by detecting IgY antibodies and virus-neutralizing antibodies in chicken serum at 7, 14, 21 days post-immunization (dpi). We examined cellular immune responses by detecting CD3+CD4+ and CD3+CD8+ changes in chickens' peripheral blood through using flow cytometry at 7, 14, 21 dpi. The cytokine production in the serum of the immunized chickens was detected by ELISA at 7, 14, 21 dpi to further explore the impact of the recombinant protein on the regulation of cytokines. The protective efficacy was determined by the survival rate of the immunized chickens challenged with the novel FAdV-4. The results show that the level of IgY antibodies of the chickens immunized with fiber-2 protein was significantly higher than that of the chickens immunized with an inactivated vaccine against FAdV-4. Moreover, 7 days after immunization, the CD4+ T-cell proliferative response of the chickens immunized with fiber-2 was significantly higher than that of the chickens immunized with the inactivated vaccine. Challenge experiment showed that the fiber-2 protein could provide full protection and the inactivated vaccine could provide 90 percent protection against the FAdV-4. These results suggest that the recombinant fiber-2 protein can be an ideal candidate for subunit vaccines against the disease.
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Affiliation(s)
- Li Chen
- State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-sen University, Guangzhou, China
| | - Lijuan Yin
- Guangdong Wen's Foodstuffs Group Co., Ltd., Yunfu, Guangdong, China
| | - Qingfeng Zhou
- Guangdong Wen's Foodstuffs Group Co., Ltd., Yunfu, Guangdong, China
| | - Qunhui Li
- Guangdong Wen's Foodstuffs Group Co., Ltd., Yunfu, Guangdong, China
| | - Yangyang Luo
- Guangdong Wen's Foodstuffs Group Co., Ltd., Yunfu, Guangdong, China
| | - Zhichao Xu
- State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-sen University, Guangzhou, China
| | - Yun Zhang
- State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-sen University, Guangzhou, China
| | - Chunyi Xue
- State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-sen University, Guangzhou, China
| | - Yongchang Cao
- State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-sen University, Guangzhou, China.
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Protection against infectious bronchitis virus by spike ectodomain subunit vaccine. Vaccine 2017; 35:5864-5871. [PMID: 28899630 PMCID: PMC7111290 DOI: 10.1016/j.vaccine.2017.09.013] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2017] [Revised: 08/15/2017] [Accepted: 09/01/2017] [Indexed: 01/05/2023]
Abstract
Strep-tagged trimeric recombinant IBV S1 and S-ectodomain proteins were produced. Recombinant S-ectodomain has improved binding to tissues compared to S1 protein. Immunization with S-ectodomain confers effective protection against IBV challenge.
The avian coronavirus infectious bronchitis virus (IBV) S1 subunit of the spike (S) glycoprotein mediates viral attachment to host cells and the S2 subunit is responsible for membrane fusion. Using IBV Arkansas-type (Ark) S protein histochemistry, we show that extension of S1 with the S2 ectodomain improves binding to chicken tissues. Although the S1 subunit is the major inducer of neutralizing antibodies, vaccination with S1 protein has been shown to confer inadequate protection against challenge. The demonstrated contribution of S2 ectodomain to binding to chicken tissues suggests that vaccination with the ectodomain might improve protection compared to vaccination with S1 alone. Therefore, we immunized chickens with recombinant trimeric soluble IBV Ark-type S1 or S-ectodomain protein produced from codon-optimized constructs in mammalian cells. Chickens were primed at 12 days of age with water-in-oil emulsified S1 or S-ectodomain proteins, and then boosted 21 days later. Challenge was performed with virulent Ark IBV 21 days after boost. Chickens immunized with recombinant S-ectodomain protein showed statistically significantly (P < 0.05) reduced viral loads 5 days post-challenge in both tears and tracheas compared to chickens immunized with recombinant S1 protein. Consistent with viral loads, significantly reduced (P < 0.05) tracheal mucosal thickness and tracheal lesion scores revealed that recombinant S-ectodomain protein provided improved protection of tracheal integrity compared to S1 protein. These results indicate that the S2 domain has an important role in inducing protective immunity. Thus, including the S2 domain with S1 might be promising for better viral vectored and/or subunit vaccine strategies.
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Jordan B. Vaccination against infectious bronchitis virus: A continuous challenge. Vet Microbiol 2017; 206:137-143. [PMID: 28081857 DOI: 10.1016/j.vetmic.2017.01.002] [Citation(s) in RCA: 143] [Impact Index Per Article: 20.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2016] [Revised: 12/29/2016] [Accepted: 01/03/2017] [Indexed: 10/20/2022]
Abstract
Infectious bronchitis virus (IBV) is a significant respiratory pathogen of commercial poultry that causes millions of dollars in lost revenue worldwide each year. Even though the poultry industry extensively vaccinates against IBV, emergence of new serotypes and variants continually occur, making control of the disease difficult. Current mass application strategies for IBV vaccines are inefficient and frequently result in vaccination failures. Novel vaccine technology development has been slow, and is hindered by the constraints of large-scale poultry production. Further complicating the situation is the lack of knowledge of IBV protein and host cell interactions, making targeted vaccine intervention strategies near impossible. Taken together, it is easy to see why this disease remains significant in poultry production. This review outlines the current situation as it relates to IBV control, including vaccination, vaccines, and development of immunity, and recent developments in vaccine technology that may provide better protection in the future.
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Affiliation(s)
- Brian Jordan
- Department of Population Health, Poultry Diagnostic and Research Center, College of Veterinary Medicine, The University of Georgia, 953 College Station Rd., Athens, GA, 30602, USA; Department of Poultry Science, College of Agricultural and Environmental Sciences, The University of Georgia, 210 Cedar St., Athens, GA, 30602, USA.
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