1
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Yang D, Su M, Guo D, Zhao F, Wang M, Liu J, Zhou J, Sun Y, Yang X, Qi S, Li Z, Zhu Q, Xing X, Li C, Cao Y, Feng L, Sun D. Combination of S1-N-Terminal and S1-C-Terminal Domain Antigens Targeting Double Receptor-Binding Domains Bolsters Protective Immunity of a Nanoparticle Vaccine against Porcine Epidemic Diarrhea Virus. ACS NANO 2024; 18:12235-12260. [PMID: 38696217 DOI: 10.1021/acsnano.4c00809] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/15/2024]
Abstract
Variants of coronavirus porcine epidemic diarrhea virus (PEDV) frequently emerge, causing an incomplete match between the vaccine and variant strains, which affects vaccine efficacy. Designing vaccines with rapidly replaceable antigens and high efficacy is a promising strategy for the prevention of infection with PEDV variant strains. In our study, three different types of self-assembled nanoparticles (nps) targeting receptor-binding N-terminal domain (NTD) and C-terminal domain (CTD) of S1 protein, named NTDnps, CTDnps, and NTD/CTDnps, were constructed and evaluated as vaccine candidates against PEDV. NTDnps and CTDnps vaccines mediated significantly higher neutralizing antibody (NAb) titers than NTD and CTD recombinant proteins in mice. The NTD/CTDnps in varying ratios elicited significantly higher NAb titers when compared with NTDnps and CTDnps alone. The NTD/CTDnps (3:1) elicited NAb with titers up to 92.92% of those induced by the commercial vaccine. Piglets immunized with NTD/CTDnps (3:1) achieved a passive immune protection rate of 83.33% of that induced by the commercial vaccine. NTD/CTDnps (3:1) enhanced the capacity of mononuclear macrophages and dendritic cells to take up and present antigens by activating major histocompatibility complex I and II molecules to stimulate humoral and cellular immunity. These data reveal that a combination of S1-NTD and S1-CTD antigens targeting double receptor-binding domains strengthens the protective immunity of nanoparticle vaccines against PEDV. Our findings will provide a promising vaccine candidate against PEDV.
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Affiliation(s)
- Dan Yang
- College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, Daqing 163319, P. R. China
| | - Mingjun Su
- College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, Daqing 163319, P. R. China
| | - Donghua Guo
- College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, Daqing 163319, P. R. China
| | - Feiyu Zhao
- College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, Daqing 163319, P. R. China
| | - Meijiao Wang
- College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, Daqing 163319, P. R. China
| | - Jiaying Liu
- College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, Daqing 163319, P. R. China
| | - Jingxuan Zhou
- College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, Daqing 163319, P. R. China
| | - Ying Sun
- College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, Daqing 163319, P. R. China
| | - Xu Yang
- College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, Daqing 163319, P. R. China
| | - Shanshan Qi
- College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, Daqing 163319, P. R. China
| | - Zhen Li
- College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, Daqing 163319, P. R. China
| | - Qinghe Zhu
- College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, Daqing 163319, P. R. China
| | - Xiaoxu Xing
- College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, Daqing 163319, P. R. China
| | - Chunqiu Li
- College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, Daqing 163319, P. R. China
| | - Yang Cao
- College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, Daqing 163319, P. R. China
| | - Li Feng
- State Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Harbin 150069, P. R. China
| | - Dongbo Sun
- College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, Daqing 163319, P. R. China
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2
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He X, Zhang X, Wu B, Deng J, Zhang Y, Zhu A, Yuan Y, Lin Y, Chen A, Feng J, Wang X, Wu S, Liu Y, Liu J, Wang Y, Li R, Liang C, Yuan Q, Liang Y, Fang Q, Xi Z, Li W, Liang L, Zhang Z, Tang H, Peng Y, Ke C, Ma X, Cai W, Pan T, Liu B, Deng K, Chen J, Zhao J, Wei X, Chen R, Zhang Y, Zhang H. The receptor binding domain of SARS-CoV-2 Omicron subvariants targets Siglec-9 to decrease its immunogenicity by preventing macrophage phagocytosis. Nat Immunol 2024; 25:622-632. [PMID: 38454157 DOI: 10.1038/s41590-024-01776-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2023] [Accepted: 02/01/2024] [Indexed: 03/09/2024]
Abstract
The development of a vaccine specific to severe acute respiratory syndrome coronavirus 2 Omicron has been hampered due to its low immunogenicity. Here, using reverse mutagenesis, we found that a phenylalanine-to-serine mutation at position 375 (F375S) in the spike protein of Omicron to revert it to the sequence found in Delta and other ancestral strains significantly enhanced the immunogenicity of Omicron vaccines. Sequence FAPFFAF at position 371-377 in Omicron spike had a potent inhibitory effect on macrophage uptake of receptor-binding domain (RBD) nanoparticles or spike-pseudovirus particles containing this sequence. Omicron RBD enhanced binding to Siglec-9 on macrophages to impair phagocytosis and antigen presentation and promote immune evasion, which could be abrogated by the F375S mutation. A bivalent F375S Omicron RBD and Delta-RBD nanoparticle vaccine elicited potent and broad nAbs in mice, rabbits and rhesus macaques. Our research suggested that manipulation of the Siglec-9 pathway could be a promising approach to enhance vaccine response.
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Affiliation(s)
- Xin He
- Institute of Human Virology, Department of Pathogen Biology and Biosecurity, and Key Laboratory of Tropical Disease Control of Ministry of Education, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, China
| | - Xiantao Zhang
- Institute of Human Virology, Department of Pathogen Biology and Biosecurity, and Key Laboratory of Tropical Disease Control of Ministry of Education, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, China
| | - Bolin Wu
- Institute of Human Virology, Department of Pathogen Biology and Biosecurity, and Key Laboratory of Tropical Disease Control of Ministry of Education, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, China
| | - Jieyi Deng
- Institute of Human Virology, Department of Pathogen Biology and Biosecurity, and Key Laboratory of Tropical Disease Control of Ministry of Education, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, China
| | - Yongli Zhang
- Institute of Human Virology, Department of Pathogen Biology and Biosecurity, and Key Laboratory of Tropical Disease Control of Ministry of Education, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, China
| | - Airu Zhu
- Guangzhou Laboratory, Bio-island, Guangzhou, China
- State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Yaochang Yuan
- Institute of Human Virology, Department of Pathogen Biology and Biosecurity, and Key Laboratory of Tropical Disease Control of Ministry of Education, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, China
| | - Yingtong Lin
- Institute of Human Virology, Department of Pathogen Biology and Biosecurity, and Key Laboratory of Tropical Disease Control of Ministry of Education, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, China
| | - Achun Chen
- Institute of Human Virology, Department of Pathogen Biology and Biosecurity, and Key Laboratory of Tropical Disease Control of Ministry of Education, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, China
| | - Jinzhu Feng
- Institute of Human Virology, Department of Pathogen Biology and Biosecurity, and Key Laboratory of Tropical Disease Control of Ministry of Education, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, China
| | - Xiumei Wang
- Institute of Human Virology, Department of Pathogen Biology and Biosecurity, and Key Laboratory of Tropical Disease Control of Ministry of Education, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, China
| | - Shijian Wu
- Institute of Human Virology, Department of Pathogen Biology and Biosecurity, and Key Laboratory of Tropical Disease Control of Ministry of Education, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, China
| | - Yingying Liu
- Institute of Human Virology, Department of Pathogen Biology and Biosecurity, and Key Laboratory of Tropical Disease Control of Ministry of Education, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, China
| | - Jie Liu
- Institute of Human Virology, Department of Pathogen Biology and Biosecurity, and Key Laboratory of Tropical Disease Control of Ministry of Education, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, China
| | - Yalin Wang
- Institute of Human Virology, Department of Pathogen Biology and Biosecurity, and Key Laboratory of Tropical Disease Control of Ministry of Education, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, China
| | - Rong Li
- Institute of Human Virology, Department of Pathogen Biology and Biosecurity, and Key Laboratory of Tropical Disease Control of Ministry of Education, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, China
| | - Chaofeng Liang
- Institute of Human Virology, Department of Pathogen Biology and Biosecurity, and Key Laboratory of Tropical Disease Control of Ministry of Education, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, China
| | - Quyu Yuan
- Institute of Human Virology, Department of Pathogen Biology and Biosecurity, and Key Laboratory of Tropical Disease Control of Ministry of Education, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, China
| | - Yu Liang
- Institute of Human Virology, Department of Pathogen Biology and Biosecurity, and Key Laboratory of Tropical Disease Control of Ministry of Education, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, China
| | - Qiannan Fang
- Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guanzhou, China
| | - Zhihui Xi
- Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guanzhou, China
| | - Wenjie Li
- Institute of Human Virology, Department of Pathogen Biology and Biosecurity, and Key Laboratory of Tropical Disease Control of Ministry of Education, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, China
| | - Liting Liang
- Qianyang Biomedical Research Institute, Guangzhou, China
| | | | - Hui Tang
- Institute of Human Virology, Department of Pathogen Biology and Biosecurity, and Key Laboratory of Tropical Disease Control of Ministry of Education, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, China
| | - Yi Peng
- Institute of Human Virology, Department of Pathogen Biology and Biosecurity, and Key Laboratory of Tropical Disease Control of Ministry of Education, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, China
| | - Changwen Ke
- Guangdong Provincial Center for Disease Control and Prevention, Guangzhou, China
| | - Xiancai Ma
- Guangzhou Laboratory, Bio-island, Guangzhou, China
| | - Weibin Cai
- Laboratory Animal Center, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, China
| | - Ting Pan
- Institute of Human Virology, Department of Pathogen Biology and Biosecurity, and Key Laboratory of Tropical Disease Control of Ministry of Education, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, China
- Center for Infection and Immunity Study, School of Medicine, Sun Yat-sen University, Shenzhen, China
| | - Bingfeng Liu
- Institute of Human Virology, Department of Pathogen Biology and Biosecurity, and Key Laboratory of Tropical Disease Control of Ministry of Education, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, China
| | - Kai Deng
- Institute of Human Virology, Department of Pathogen Biology and Biosecurity, and Key Laboratory of Tropical Disease Control of Ministry of Education, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, China
| | - Jun Chen
- Institute of Human Virology, Department of Pathogen Biology and Biosecurity, and Key Laboratory of Tropical Disease Control of Ministry of Education, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, China
- Laboratory Animal Center, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, China
| | - Jincun Zhao
- Guangzhou Laboratory, Bio-island, Guangzhou, China.
- State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China.
| | - Xuepeng Wei
- Guangzhou Laboratory, Bio-island, Guangzhou, China.
| | - Ran Chen
- Institute of Human Virology, Department of Pathogen Biology and Biosecurity, and Key Laboratory of Tropical Disease Control of Ministry of Education, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, China.
| | - Yiwen Zhang
- Institute of Human Virology, Department of Pathogen Biology and Biosecurity, and Key Laboratory of Tropical Disease Control of Ministry of Education, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, China.
| | - Hui Zhang
- Institute of Human Virology, Department of Pathogen Biology and Biosecurity, and Key Laboratory of Tropical Disease Control of Ministry of Education, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, China.
- Guangzhou Laboratory, Bio-island, Guangzhou, China.
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3
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Huang CQ, Vishwanath S, Carnell GW, Chan ACY, Heeney JL. Immune imprinting and next-generation coronavirus vaccines. Nat Microbiol 2023; 8:1971-1985. [PMID: 37932355 DOI: 10.1038/s41564-023-01505-9] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2023] [Accepted: 09/13/2023] [Indexed: 11/08/2023]
Abstract
Vaccines based on historical virus isolates provide limited protection from continuously evolving RNA viruses, such as influenza viruses or coronaviruses, which occasionally spill over between animals and humans. Despite repeated booster immunizations, population-wide declines in the neutralization of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) variants have occurred. This has been compared to seasonal influenza vaccinations in humans, where the breadth of immune responses induced by repeat exposures to antigenically distinct influenza viruses is confounded by pre-existing immunity-a mechanism known as imprinting. Since its emergence, SARS-CoV-2 has evolved in a population with partial immunity, acquired by infection, vaccination or both. Here we critically examine the evidence for and against immune imprinting in host humoral responses to SARS-CoV-2 and its implications for coronavirus disease 2019 (COVID-19) booster vaccine programmes.
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Affiliation(s)
- Chloe Qingzhou Huang
- Laboratory of Viral Zoonotics, Department of Veterinary Medicine, University of Cambridge, Cambridge, UK
| | - Sneha Vishwanath
- Laboratory of Viral Zoonotics, Department of Veterinary Medicine, University of Cambridge, Cambridge, UK
| | - George William Carnell
- Laboratory of Viral Zoonotics, Department of Veterinary Medicine, University of Cambridge, Cambridge, UK
| | - Andrew Chun Yue Chan
- Laboratory of Viral Zoonotics, Department of Veterinary Medicine, University of Cambridge, Cambridge, UK
| | - Jonathan Luke Heeney
- Laboratory of Viral Zoonotics, Department of Veterinary Medicine, University of Cambridge, Cambridge, UK.
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4
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Zhang X, Wu S, Liu J, Chen R, Zhang Y, Lin Y, Xi Z, Deng J, Pu Z, Liang C, Feng J, Li R, Lin K, Zhou M, Liu Y, Zhang X, Liu B, Zhang Y, He X, Zhang H. A Mosaic Nanoparticle Vaccine Elicits Potent Mucosal Immune Response with Significant Cross-Protection Activity against Multiple SARS-CoV-2 Sublineages. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2023; 10:e2301034. [PMID: 37526323 PMCID: PMC10520630 DOI: 10.1002/advs.202301034] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/14/2023] [Revised: 07/04/2023] [Indexed: 08/02/2023]
Abstract
Because of the rapid mutation and high airborne transmission of SARS-CoV-2, a universal vaccine preventing the infection in the upper respiratory tract is particularly urgent. Here, a mosaic receptor-binding domain (RBD) nanoparticle (NP) vaccine is developed, which induces more RBD-targeted type IV neutralizing antibodies (NAbs) and exhibits broad cross-protective activity against multiple SARS-CoV-2 sublineages including the newly-emerged BF.7, BQ.1, XBB. As several T-cell-reactive epitopes, which are highly conserved in sarbecoviruses, are displayed on the NP surface, it also provokes potent and cross-reactive cellular immune responses in the respiratory tissue. Through intranasal delivery, it elicits robust mucosal immune responses and full protection without any adjuvants. Therefore, this intranasal mosaic NP vaccine can be further developed as a pan-sarbecovirus vaccine to block the viral entrance from the upper respiratory tract.
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Affiliation(s)
- Xiantao Zhang
- Institute of Human VirologyDepartment of Pathogen Biology and BiosecurityKey Laboratory of Tropical Disease Control of Ministry of EducationZhongshan School of MedicineSun Yat‐sen UniversityGuangzhou510080China
| | - Shijian Wu
- Institute of Human VirologyDepartment of Pathogen Biology and BiosecurityKey Laboratory of Tropical Disease Control of Ministry of EducationZhongshan School of MedicineSun Yat‐sen UniversityGuangzhou510080China
| | - Jie Liu
- Institute of Human VirologyDepartment of Pathogen Biology and BiosecurityKey Laboratory of Tropical Disease Control of Ministry of EducationZhongshan School of MedicineSun Yat‐sen UniversityGuangzhou510080China
| | - Ran Chen
- Institute of Human VirologyDepartment of Pathogen Biology and BiosecurityKey Laboratory of Tropical Disease Control of Ministry of EducationZhongshan School of MedicineSun Yat‐sen UniversityGuangzhou510080China
| | - Yongli Zhang
- Institute of Human VirologyDepartment of Pathogen Biology and BiosecurityKey Laboratory of Tropical Disease Control of Ministry of EducationZhongshan School of MedicineSun Yat‐sen UniversityGuangzhou510080China
| | - Yingtong Lin
- Institute of Human VirologyDepartment of Pathogen Biology and BiosecurityKey Laboratory of Tropical Disease Control of Ministry of EducationZhongshan School of MedicineSun Yat‐sen UniversityGuangzhou510080China
| | - Zhihui Xi
- Institute of Human VirologyDepartment of Pathogen Biology and BiosecurityKey Laboratory of Tropical Disease Control of Ministry of EducationZhongshan School of MedicineSun Yat‐sen UniversityGuangzhou510080China
| | - Jieyi Deng
- Institute of Human VirologyDepartment of Pathogen Biology and BiosecurityKey Laboratory of Tropical Disease Control of Ministry of EducationZhongshan School of MedicineSun Yat‐sen UniversityGuangzhou510080China
| | - Zeyu Pu
- Institute of Human VirologyDepartment of Pathogen Biology and BiosecurityKey Laboratory of Tropical Disease Control of Ministry of EducationZhongshan School of MedicineSun Yat‐sen UniversityGuangzhou510080China
| | - Chaofeng Liang
- Institute of Human VirologyDepartment of Pathogen Biology and BiosecurityKey Laboratory of Tropical Disease Control of Ministry of EducationZhongshan School of MedicineSun Yat‐sen UniversityGuangzhou510080China
| | - Jinzhu Feng
- Institute of Human VirologyDepartment of Pathogen Biology and BiosecurityKey Laboratory of Tropical Disease Control of Ministry of EducationZhongshan School of MedicineSun Yat‐sen UniversityGuangzhou510080China
| | - Rong Li
- Institute of Human VirologyDepartment of Pathogen Biology and BiosecurityKey Laboratory of Tropical Disease Control of Ministry of EducationZhongshan School of MedicineSun Yat‐sen UniversityGuangzhou510080China
| | - Keming Lin
- Institute of Human VirologyDepartment of Pathogen Biology and BiosecurityKey Laboratory of Tropical Disease Control of Ministry of EducationZhongshan School of MedicineSun Yat‐sen UniversityGuangzhou510080China
| | - Mo Zhou
- Institute of Human VirologyDepartment of Pathogen Biology and BiosecurityKey Laboratory of Tropical Disease Control of Ministry of EducationZhongshan School of MedicineSun Yat‐sen UniversityGuangzhou510080China
| | - Yingying Liu
- Institute of Human VirologyDepartment of Pathogen Biology and BiosecurityKey Laboratory of Tropical Disease Control of Ministry of EducationZhongshan School of MedicineSun Yat‐sen UniversityGuangzhou510080China
| | - Xu Zhang
- Institute of Human VirologyDepartment of Pathogen Biology and BiosecurityKey Laboratory of Tropical Disease Control of Ministry of EducationZhongshan School of MedicineSun Yat‐sen UniversityGuangzhou510080China
| | - Bingfeng Liu
- Institute of Human VirologyDepartment of Pathogen Biology and BiosecurityKey Laboratory of Tropical Disease Control of Ministry of EducationZhongshan School of MedicineSun Yat‐sen UniversityGuangzhou510080China
| | - Yiwen Zhang
- Institute of Human VirologyDepartment of Pathogen Biology and BiosecurityKey Laboratory of Tropical Disease Control of Ministry of EducationZhongshan School of MedicineSun Yat‐sen UniversityGuangzhou510080China
| | - Xin He
- Institute of Human VirologyDepartment of Pathogen Biology and BiosecurityKey Laboratory of Tropical Disease Control of Ministry of EducationZhongshan School of MedicineSun Yat‐sen UniversityGuangzhou510080China
| | - Hui Zhang
- Institute of Human VirologyDepartment of Pathogen Biology and BiosecurityKey Laboratory of Tropical Disease Control of Ministry of EducationZhongshan School of MedicineSun Yat‐sen UniversityGuangzhou510080China
- Guangzhou National LaboratoryBio‐IslandGuangzhou510320China
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5
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Chen Q, Li R, Wu B, Zhang X, Zhang H, Chen R. A tetravalent nanoparticle vaccine elicits a balanced and potent immune response against dengue viruses without inducing antibody-dependent enhancement. Front Immunol 2023; 14:1193175. [PMID: 37275868 PMCID: PMC10235449 DOI: 10.3389/fimmu.2023.1193175] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2023] [Accepted: 05/05/2023] [Indexed: 06/07/2023] Open
Abstract
Dengue fever is a global health threat caused by the dengue virus (DENV), a vector-borne and single-stranded RNA virus. Development of a safe and efficacious vaccine against DENV is a demanding challenge. The greatest pitfall in the development of vaccines is antibody-dependent enhancement (ADE), which is closely associated with disease exacerbation. We displayed the modified envelope proteins from the four serotypes of the DENV on a 24-mer ferritin nanoparticle, respectively. This tetravalent nanoparticle vaccine induced potent humoral and cellular immunity in mice without ADE and conferred efficient protection against the lethal challenge of DENV-2 and DENV-3 in AG6 mice. Further exploration of immunization strategies showed that even single-dose vaccination could reduce pathologic damage in BALB/c mice infected with high doses of DENV-2. Treatment with cyclic-di-guanosine monophosphate facilitated a higher titer of neutralizing antibodies and a stronger type-1 T-helper cell-biased immune response, thereby revealing it to be an effective adjuvant for dengue nanoparticle vaccines. These data suggest that a promising tetravalent nanoparticle vaccine could be produced to prevent DENV infection.
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Affiliation(s)
- Qier Chen
- Institute of Human Virology, Department of Pathogen Biology and Biosecurity, Key Laboratory of Tropical Disease Control of Ministry Education, Guangdong Engineering Research Center for Antimicrobial Agent and Immunotechnology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, Guangdong, China
| | - Rong Li
- Institute of Human Virology, Department of Pathogen Biology and Biosecurity, Key Laboratory of Tropical Disease Control of Ministry Education, Guangdong Engineering Research Center for Antimicrobial Agent and Immunotechnology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, Guangdong, China
| | - Bolin Wu
- Institute of Human Virology, Department of Pathogen Biology and Biosecurity, Key Laboratory of Tropical Disease Control of Ministry Education, Guangdong Engineering Research Center for Antimicrobial Agent and Immunotechnology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, Guangdong, China
| | - Xu Zhang
- Institute of Human Virology, Department of Pathogen Biology and Biosecurity, Key Laboratory of Tropical Disease Control of Ministry Education, Guangdong Engineering Research Center for Antimicrobial Agent and Immunotechnology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, Guangdong, China
| | - Hui Zhang
- Institute of Human Virology, Department of Pathogen Biology and Biosecurity, Key Laboratory of Tropical Disease Control of Ministry Education, Guangdong Engineering Research Center for Antimicrobial Agent and Immunotechnology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, Guangdong, China
- Guangzhou National Laboratory, Bio-Island, Guangzhou, Guangdong, China
| | - Ran Chen
- Institute of Human Virology, Department of Pathogen Biology and Biosecurity, Key Laboratory of Tropical Disease Control of Ministry Education, Guangdong Engineering Research Center for Antimicrobial Agent and Immunotechnology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, Guangdong, China
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6
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Kassardjian A, Sun E, Sookhoo J, Muthuraman K, Boligan KF, Kucharska I, Rujas E, Jetha A, Branch DR, Babiuk S, Barber B, Julien JP. Modular adjuvant-free pan-HLA-DR-immunotargeting subunit vaccine against SARS-CoV-2 elicits broad sarbecovirus-neutralizing antibody responses. Cell Rep 2023; 42:112391. [PMID: 37053069 PMCID: PMC10067452 DOI: 10.1016/j.celrep.2023.112391] [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: 11/09/2022] [Revised: 02/14/2023] [Accepted: 03/29/2023] [Indexed: 04/05/2023] Open
Abstract
Subunit vaccines typically require co-administration with an adjuvant to elicit protective immunity, adding development hurdles that can impede rapid pandemic responses. To circumvent the need for adjuvant in a severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) subunit vaccine, we engineer a thermostable immunotargeting vaccine (ITV) that leverages the pan-HLA-DR monoclonal antibody 44H10 to deliver the viral spike protein receptor-binding domain (RBD) to antigen-presenting cells. X-ray crystallography shows that 44H10 binds to a conserved epitope on HLA-DR, providing the basis for its broad HLA-DR reactivity. Adjuvant-free ITV immunization in rabbits and ferrets induces robust anti-RBD antibody responses that neutralize SARS-CoV-2 variants of concern and protect recipients from SARS-CoV-2 challenge. We demonstrate that the modular nature of the ITV scaffold with respect to helper T cell epitopes and diverse RBD antigens facilitates broad sarbecovirus neutralization. Our findings support anti-HLA-DR immunotargeting as an effective means to induce strong antibody responses to subunit antigens without requiring an adjuvant.
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Affiliation(s)
- Audrey Kassardjian
- Program in Molecular Medicine, The Hospital for Sick Children Research Institute, Toronto, ON M5G 0A4, Canada; Department of Immunology, University of Toronto, Toronto, ON M5S 1A8, Canada
| | - Eric Sun
- Program in Molecular Medicine, The Hospital for Sick Children Research Institute, Toronto, ON M5G 0A4, Canada; Department of Immunology, University of Toronto, Toronto, ON M5S 1A8, Canada
| | - Jamie Sookhoo
- Canadian Food Inspection Agency, National Centre for Foreign Animal Disease, Winnipeg, MB R3E 3M4, Canada; Department of Immunology, University of Manitoba, Winnipeg, MB R3E 0T5, Canada
| | - Krithika Muthuraman
- Program in Molecular Medicine, The Hospital for Sick Children Research Institute, Toronto, ON M5G 0A4, Canada; Department of Biochemistry, University of Toronto, Toronto, ON M5S 1A8, Canada
| | | | - Iga Kucharska
- Program in Molecular Medicine, The Hospital for Sick Children Research Institute, Toronto, ON M5G 0A4, Canada
| | - Edurne Rujas
- Program in Molecular Medicine, The Hospital for Sick Children Research Institute, Toronto, ON M5G 0A4, Canada; Ikerbasque, Basque Foundation for Science, 48013 Bilbao, Spain; Pharmacokinetic, Nanotechnology and Gene Therapy Group, Faculty of Pharmacy, University of the Basque Country UPV/EHU, 01006 Vitoria, Spain; Bioaraba, Microbiology, Infectious Disease, Antimicrobial Agents, and Gene Therapy, 01006 Vitoria, Spain
| | - Arif Jetha
- Program in Molecular Medicine, The Hospital for Sick Children Research Institute, Toronto, ON M5G 0A4, Canada
| | - Donald R Branch
- Canadian Blood Services, Keenan Research Centre, Toronto, ON M5B 1W8, Canada; University of Toronto, Departments of Medicine and Laboratory Medicine and Pathobiology, Toronto, ON M5S 1A8, Canada
| | - Shawn Babiuk
- Canadian Food Inspection Agency, National Centre for Foreign Animal Disease, Winnipeg, MB R3E 3M4, Canada; Department of Immunology, University of Manitoba, Winnipeg, MB R3E 0T5, Canada
| | - Brian Barber
- Department of Immunology, University of Toronto, Toronto, ON M5S 1A8, Canada
| | - Jean-Philippe Julien
- Program in Molecular Medicine, The Hospital for Sick Children Research Institute, Toronto, ON M5G 0A4, Canada; Department of Immunology, University of Toronto, Toronto, ON M5S 1A8, Canada; Department of Biochemistry, University of Toronto, Toronto, ON M5S 1A8, Canada.
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7
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Zhang Y, Li R, Li Y, Yang H, Zhou L, Yuan J, Pan T, Liu B, Zhang H, He Y. Antibody response and cross-neutralization after Omicron BA.2 infection. Signal Transduct Target Ther 2023; 8:25. [PMID: 36611028 PMCID: PMC9823246 DOI: 10.1038/s41392-022-01305-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2022] [Revised: 08/22/2022] [Accepted: 12/18/2022] [Indexed: 01/09/2023] Open
Affiliation(s)
- Yiwen Zhang
- grid.12981.330000 0001 2360 039XInstitute of Human Virology, Key Laboratory of Tropical Disease Control of Ministry of Education, Guangdong Engineering Research Center for Antimicrobial Agent and Immunotechnology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, Guangdong 510080 China
| | - Rong Li
- grid.12981.330000 0001 2360 039XInstitute of Human Virology, Key Laboratory of Tropical Disease Control of Ministry of Education, Guangdong Engineering Research Center for Antimicrobial Agent and Immunotechnology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, Guangdong 510080 China
| | - Yuzhuang Li
- grid.12981.330000 0001 2360 039XInstitute of Human Virology, Key Laboratory of Tropical Disease Control of Ministry of Education, Guangdong Engineering Research Center for Antimicrobial Agent and Immunotechnology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, Guangdong 510080 China
| | - Hong Yang
- grid.464443.50000 0004 8511 7645Shenzhen Center for Disease Control and Prevention, Shenzhen, 518055 Guangdong China
| | - Liqiong Zhou
- grid.263488.30000 0001 0472 9649Shenzhen Third People’s Hospital, Second Hospital Affiliated to Southern University of Science and Technology, South China Hospital of Shenzhen University, Shenzhen, 518011 Guangdong China
| | - Jing Yuan
- grid.263488.30000 0001 0472 9649Shenzhen Third People’s Hospital, Second Hospital Affiliated to Southern University of Science and Technology, South China Hospital of Shenzhen University, Shenzhen, 518011 Guangdong China
| | - Ting Pan
- grid.12981.330000 0001 2360 039XInstitute of Human Virology, Key Laboratory of Tropical Disease Control of Ministry of Education, Guangdong Engineering Research Center for Antimicrobial Agent and Immunotechnology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, Guangdong 510080 China
| | - Bingfeng Liu
- Institute of Human Virology, Key Laboratory of Tropical Disease Control of Ministry of Education, Guangdong Engineering Research Center for Antimicrobial Agent and Immunotechnology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, Guangdong, 510080, China.
| | - Hui Zhang
- Institute of Human Virology, Key Laboratory of Tropical Disease Control of Ministry of Education, Guangdong Engineering Research Center for Antimicrobial Agent and Immunotechnology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, Guangdong, 510080, China.
| | - Yaqing He
- Shenzhen Center for Disease Control and Prevention, Shenzhen, 518055, Guangdong, China.
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8
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Guan X, Yang Y, Du L. Advances in SARS-CoV-2 receptor-binding domain-based COVID-19 vaccines. Expert Rev Vaccines 2023; 22:422-439. [PMID: 37161869 PMCID: PMC10355161 DOI: 10.1080/14760584.2023.2211153] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2023] [Accepted: 05/03/2023] [Indexed: 05/11/2023]
Abstract
INTRODUCTION The Coronavirus Disease 2019 (COVID-19) pandemic has caused devastating human and economic costs. Vaccination is an important step in controlling the pandemic. Severe acute respiratory coronavirus-2 (SARS-CoV-2), the causative agent of COVID-19, infects cells by binding a cellular receptor through the receptor-binding domain (RBD) within the S1 subunit of the spike (S) protein. Viral entry and membrane fusion are mediated by the S2 subunit. AREAS COVERED SARS-CoV-2 S protein, particularly RBD, serves as an important target for vaccines. Here we review the structure and function of SARS-CoV-2 S protein and its RBD, summarize current COVID-19 vaccines targeting the RBD, and outline potential strategies for improving RBD-based vaccines. Overall, this review provides important information that will facilitate rational design and development of safer and more effective COVID-19 vaccines. EXPERT OPINION The S protein of SARS-CoV-2 harbors numerous mutations, mostly in the RBD, resulting in multiple variant strains. Although many COVID-19 vaccines targeting the RBD of original virus strain (and previous variants) can prevent infection of these strains, their ability against recent dominant variants, particularly Omicron and its offspring, is significantly reduced. Collective efforts are needed to develop effective broad-spectrum vaccines to control current and future variants that have pandemic potential.
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Affiliation(s)
- Xiaoqing Guan
- Institute for Biomedical Sciences, Georgia State University, Atlanta, GA, USA
| | - Yang Yang
- Roy J. Carver Department of Biochemistry, Biophysics and Molecular Biology, Iowa State University, Ames, IA, USA
| | - Lanying Du
- Institute for Biomedical Sciences, Georgia State University, Atlanta, GA, USA
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9
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Rauf A, Abu-Izneid T, Khalil AA, Hafeez N, Olatunde A, Rahman M, Semwal P, Al-Awthan YS, Bahattab OS, Khan IN, Khan MA, Sharma R. Nanoparticles in clinical trials of COVID-19: An update. Int J Surg 2022; 104:106818. [PMID: 35953020 PMCID: PMC9359769 DOI: 10.1016/j.ijsu.2022.106818] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2022] [Revised: 07/30/2022] [Accepted: 07/31/2022] [Indexed: 11/01/2022]
Abstract
Once the World Health Organization (WHO) declared the COVID-19 (Coronavirus Infectious Disease-19) outbreak to be pandemic, massive efforts have been launched by researchers around the globe to combat this emerging infectious disease. Strategies that must be investigated such as expanding testing capabilities, developing effective medicines, as well as developing safe and effective vaccines for COVID-19 disease that produce long-lasting immunity to human system. Now-a-days, bio-sensing, medication delivery, imaging, and antimicrobial treatment are just a few of the medical applications for nanoparticles (NPs). Since the early 1990s, nanoparticle drug delivery methods have been employed in clinical trials. Since then, the discipline of nanomedicine has evolved in tandem with expanding technological demands to better medicinal delivery. Newer generations of NPs have emerged in recent decades that are capable of performing additional delivery tasks, allowing for therapy via novel therapeutic modalities. Many of these next generation NPs and associated products have entered clinical trials and have been approved for diverse indications in the present clinical environment. For systemic applications, NPs or nanomedicine-based drug delivery systems have substantial benefits over their non-formulated and free drug counterparts. Nanoparticle systems, for example, are capable of delivering medicines and treating parts of the body that are inaccessible to existing delivery systems. As a result, NPs medication delivery is one of the most studied preclinical and clinical systems. NPs-based vaccines delivering SARS-CoV-2 antigens will play an increasingly important role in prolonging or improving COVID-19 vaccination outcomes. This review provides insights about employing NPs-based drug delivery systems for the treatment of COVID-19 to increase the bioavailability of current drugs, reducing their toxicity, and to increase their efficiency. This article also exhibits their capability and efficacy, and highlighting the future aspects and challenges on nanoparticle products in clinical trials of COVID-19.
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Affiliation(s)
- Abdur Rauf
- Department of Chemistry, University of Swabi, Swabi, Anbar, 23430, Khyber Pakhtunkhwa (KP), Pakistan.
| | - Tareq Abu-Izneid
- Pharmaceutical Sciences Department, College of Pharmacy, Al Ain University for Science and Technology, Al Ain, United Arab Emirates
| | - Anees Ahmed Khalil
- University Institute of Diet and Nutritional Sciences, Faculty of Allied Health Sciences, The University of Lahore, 54000, Pakistan
| | - Nabia Hafeez
- Center of Biotechnology and Microbiology, University of Peshawar, Peshawar-KPK, 25120, KPK, Pakistan
| | - Ahmed Olatunde
- Department of Medical Biochemistry, Abubakar Tafawa Balewa University, Bauchi, 740272, Nigeria
| | - Mominur Rahman
- Department of Pharmacy, Faculty of Allied Health Sciences, Daffodil International University, 1207 Dhaka, Bangladesh
| | - Prabhakar Semwal
- Department of Life Sciences, Graphic Era Deemed to be University, Dehradun, 248002, Uttarakhand, India
| | | | - Omar Salem Bahattab
- Department of Biochemistry, Faculty of Science, University of Tabuk, Tabuk, Saudi Arabia
| | - Ishaq N Khan
- Institute of Basic Medical Sciences Khyber Medical University, Peshawar, 25100, Pakistan
| | - Muhammad Arslan Khan
- Department of Pharmacy, Faculty of Pharmacy, The University of Lahore, 54000, Pakistan
| | - Rohit Sharma
- Department of Rasa Shastra &Bhaishajya Kalpana, Faculty of Ayurveda, Institute of Medical Sciences, Banaras Hindu University, Varanasi, 221005, Uttar Pradesh, India.
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10
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Xiong D, Zhao X, Luo S, Cong Y, Zhang JZH, Duan L. Immune Escape Mechanisms of SARS-CoV-2 Delta and Omicron Variants against Two Monoclonal Antibodies That Received Emergency Use Authorization. J Phys Chem Lett 2022; 13:6064-6073. [PMID: 35758899 PMCID: PMC9260724 DOI: 10.1021/acs.jpclett.2c00912] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2022] [Accepted: 06/23/2022] [Indexed: 05/07/2023]
Abstract
Multiple-site mutated SARS-CoV-2 Delta and Omicron variants may trigger immune escape against existing monoclonal antibodies. Here, molecular dynamics simulations combined with the interaction entropy method reveal the escape mechanism of Delta/Omicron variants to Bamlanivimab/Etesevimab. The result shows the significantly reduced binding affinity of the Omicron variant for both antibodies, due to the introduction of positively charged residues that greatly weaken their electrostatic interactions. Meanwhile, significant structural deflection induces fewer atomic contacts and an unstable binding mode. As for the Delta variant, the reduced binding affinity for Bamlanivimab is owing to the alienation of the receptor-binding domain to the main part of this antibody, and the binding mode of the Delta variant to Etesevimab is similar to that of the wild type, suggesting that Etesevimab could still be effective against the Delta variant. We hope this work will provide timely theoretical insights into developing antibodies to prevalent and possible future variants of SARS-CoV-2.
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Affiliation(s)
- Danyang Xiong
- School
of Physics and Electronics, Shandong Normal
University, Jinan 250014, China
| | - Xiaoyu Zhao
- School
of Physics and Electronics, Shandong Normal
University, Jinan 250014, China
| | - Song Luo
- School
of Physics and Electronics, Shandong Normal
University, Jinan 250014, China
| | - Yalong Cong
- Shanghai
Engineering Research Center of Molecular Therapeutics and New Drug
Development, School of Chemistry and Molecular Engineering, East China Normal University, Shanghai 200062, China
| | - John Z. H. Zhang
- Shanghai
Engineering Research Center of Molecular Therapeutics and New Drug
Development, School of Chemistry and Molecular Engineering, East China Normal University, Shanghai 200062, China
- Shenzhen
Institute of Synthetic Biology, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China
- NYU-ECNU
Center for Computational Chemistry at NYU Shanghai, Shanghai 200062, China
- Department
of Chemistry, New York University, New York, New York 10003, United States
| | - Lili Duan
- School
of Physics and Electronics, Shandong Normal
University, Jinan 250014, China
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