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Montoya B, Melo-Silva CR, Tang L, Kafle S, Lidskiy P, Bajusz C, Vadovics M, Muramatsu H, Abraham E, Lipinszki Z, Chatterjee D, Scher G, Benitez J, Sung MMH, Tam YK, Catanzaro NJ, Schäfer A, Andino R, Baric RS, Martinez DR, Pardi N, Sigal LJ. mRNA-LNP vaccine-induced CD8 + T cells protect mice from lethal SARS-CoV-2 infection in the absence of specific antibodies. Mol Ther 2024; 32:1790-1804. [PMID: 38605519 DOI: 10.1016/j.ymthe.2024.04.019] [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: 09/12/2023] [Revised: 03/11/2024] [Accepted: 04/08/2024] [Indexed: 04/13/2024] Open
Abstract
The role of CD8+ T cells in SARS-CoV-2 pathogenesis or mRNA-LNP vaccine-induced protection from lethal COVID-19 is unclear. Using mouse-adapted SARS-CoV-2 virus (MA30) in C57BL/6 mice, we show that CD8+ T cells are unnecessary for the intrinsic resistance of female or the susceptibility of male mice to lethal SARS-CoV-2 infection. Also, mice immunized with a di-proline prefusion-stabilized full-length SARS-CoV-2 Spike (S-2P) mRNA-LNP vaccine, which induces Spike-specific antibodies and CD8+ T cells specific for the Spike-derived VNFNFNGL peptide, are protected from SARS-CoV-2 infection-induced lethality and weight loss, while mice vaccinated with mRNA-LNPs encoding only VNFNFNGL are protected from lethality but not weight loss. CD8+ T cell depletion ablates protection in VNFNFNGL but not in S-2P mRNA-LNP-vaccinated mice. Therefore, mRNA-LNP vaccine-induced CD8+ T cells are dispensable when protective antibodies are present but essential for survival in their absence. Hence, vaccine-induced CD8+ T cells may be critical to protect against SARS-CoV-2 variants that mutate epitopes targeted by protective antibodies.
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Affiliation(s)
- Brian Montoya
- Department of Microbiology and Immunology, Bluemle Life Science Building, Thomas Jefferson University, Philadelphia, PA 19107, USA
| | - Carolina R Melo-Silva
- Department of Microbiology and Immunology, Bluemle Life Science Building, Thomas Jefferson University, Philadelphia, PA 19107, USA
| | - Lingjuan Tang
- Department of Microbiology and Immunology, Bluemle Life Science Building, Thomas Jefferson University, Philadelphia, PA 19107, USA
| | - Samita Kafle
- Department of Microbiology and Immunology, Bluemle Life Science Building, Thomas Jefferson University, Philadelphia, PA 19107, USA
| | - Peter Lidskiy
- Department of Microbiology and Immunology, University of California, San Francisco, San Francisco, CA 94158, USA
| | - Csaba Bajusz
- Department of Microbiology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA; National Laboratory for Biotechnology, Institute of Genetics, HUN-REN Biological Research Centre, Szeged, Hungary
| | - Máté Vadovics
- Department of Microbiology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Hiromi Muramatsu
- Department of Microbiology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Edit Abraham
- National Laboratory for Biotechnology, Institute of Genetics, HUN-REN Biological Research Centre, Szeged, Hungary; MTA SZBK Lendület Laboratory of Cell Cycle Regulation, Synthetic and Systems Biology Unit, Institute of Biochemistry, HUN-REN Biological Research Centre, Szeged, Hungary
| | - Zoltan Lipinszki
- National Laboratory for Biotechnology, Institute of Genetics, HUN-REN Biological Research Centre, Szeged, Hungary; MTA SZBK Lendület Laboratory of Cell Cycle Regulation, Synthetic and Systems Biology Unit, Institute of Biochemistry, HUN-REN Biological Research Centre, Szeged, Hungary
| | - Debotri Chatterjee
- Department of Neurosciences, Thomas Jefferson University Vickie and Jack Farber Institute for Neuroscience, Philadelphia, PA, USA
| | - Gabrielle Scher
- Department of Microbiology and Immunology, Bluemle Life Science Building, Thomas Jefferson University, Philadelphia, PA 19107, USA
| | - Juliana Benitez
- Department of Microbiology and Immunology, Bluemle Life Science Building, Thomas Jefferson University, Philadelphia, PA 19107, USA
| | | | - Ying K Tam
- Acuitas Therapeutics, Vancouver, BC V6T 1Z3, Canada
| | - Nicholas J Catanzaro
- Department of Epidemiology, Microbiology and Immunology, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
| | - Alexandra Schäfer
- Department of Epidemiology, Microbiology and Immunology, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
| | - Raul Andino
- Department of Microbiology and Immunology, University of California, San Francisco, San Francisco, CA 94158, USA
| | - Ralph S Baric
- Department of Epidemiology, Microbiology and Immunology, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
| | - David R Martinez
- Department of Immunobiology, Center for Infection and Immunity, Yale School of Medicine, New Haven, CT 06520, USA
| | - Norbert Pardi
- Department of Microbiology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA.
| | - Luis J Sigal
- Department of Microbiology and Immunology, Bluemle Life Science Building, Thomas Jefferson University, Philadelphia, PA 19107, USA.
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2
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Cohen AA, Keeffe JR, Schiepers A, Dross SE, Greaney AJ, Rorick AV, Gao H, Gnanapragasam PNP, Fan C, West AP, Ramsingh AI, Erasmus JH, Pata JD, Muramatsu H, Pardi N, Lin PJC, Baxter S, Cruz R, Quintanar-Audelo M, Robb E, Serrano-Amatriain C, Magneschi L, Fotheringham IG, Fuller DH, Victora GD, Bjorkman PJ. Mosaic sarbecovirus nanoparticles elicit cross-reactive responses in pre-vaccinated animals. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.02.08.576722. [PMID: 38370696 PMCID: PMC10871317 DOI: 10.1101/2024.02.08.576722] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/20/2024]
Abstract
Immunization with mosaic-8b [60-mer nanoparticles presenting 8 SARS-like betacoronavirus (sarbecovirus) receptor-binding domains (RBDs)] elicits more broadly cross-reactive antibodies than homotypic SARS-CoV-2 RBD-only nanoparticles and protects against sarbecoviruses. To investigate original antigenic sin (OAS) effects on mosaic-8b efficacy, we evaluated effects of prior COVID-19 vaccinations in non-human primates and mice on anti-sarbecovirus responses elicited by mosaic-8b, admix-8b (8 homotypics), or homotypic SARS-CoV-2 immunizations, finding greatest cross-reactivity for mosaic-8b. As demonstrated by molecular fate-mapping in which antibodies from specific cohorts of B cells are differentially detected, B cells primed by WA1 spike mRNA-LNP dominated antibody responses after RBD-nanoparticle boosting. While mosaic-8b- and homotypic-nanoparticles boosted cross-reactive antibodies, de novo antibodies were predominantly induced by mosaic-8b, and these were specific for variant RBDs with increased identity to RBDs on mosaic-8b. These results inform OAS mechanisms and support using mosaic-8b to protect COVID-19 vaccinated/infected humans against as-yet-unknown SARS-CoV-2 variants and animal sarbecoviruses with human spillover potential.
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Affiliation(s)
- Alexander A Cohen
- Division of Biology and Biological Engineering, California Institute of Technology, Pasadena, CA 91125, USA
- These authors contributed equally
| | - Jennifer R Keeffe
- Division of Biology and Biological Engineering, California Institute of Technology, Pasadena, CA 91125, USA
- These authors contributed equally
| | - Ariën Schiepers
- Laboratory of Lymphocyte Dynamics, The Rockefeller University, New York, NY, 10065, USA
| | - Sandra E Dross
- Department of Microbiology, University of Washington, Seattle, WA 98195, USA
- National Primate Research Center, Seattle, WA 98121, USA
| | - Allison J Greaney
- Medical Scientist Training Program, University of Washington, Seattle, WA 98195, USA
| | - Annie V Rorick
- Division of Biology and Biological Engineering, California Institute of Technology, Pasadena, CA 91125, USA
| | - Han Gao
- Division of Biology and Biological Engineering, California Institute of Technology, Pasadena, CA 91125, USA
| | | | - Chengcheng Fan
- Division of Biology and Biological Engineering, California Institute of Technology, Pasadena, CA 91125, USA
| | - Anthony P West
- Division of Biology and Biological Engineering, California Institute of Technology, Pasadena, CA 91125, USA
| | | | | | - Janice D Pata
- Wadsworth Center, New York State Department of Health and Department of Biomedical Sciences, University at Albany, Albany, NY, 12201, USA
| | - Hiromi Muramatsu
- Department of Microbiology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, 19104, USA
| | - Norbert Pardi
- Department of Microbiology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, 19104, USA
| | | | - Scott Baxter
- Ingenza Ltd, Roslin Innovation Centre, Charnock Bradley Building, Roslin, EH25 9RG, UK
| | - Rita Cruz
- Ingenza Ltd, Roslin Innovation Centre, Charnock Bradley Building, Roslin, EH25 9RG, UK
| | - Martina Quintanar-Audelo
- Ingenza Ltd, Roslin Innovation Centre, Charnock Bradley Building, Roslin, EH25 9RG, UK
- Present address: Centre for Inflammation Research and Institute of Regeneration and Repair, The University of Edinburgh, Edinburgh, EH16 4UU, UK
| | - Ellis Robb
- Ingenza Ltd, Roslin Innovation Centre, Charnock Bradley Building, Roslin, EH25 9RG, UK
| | | | - Leonardo Magneschi
- Ingenza Ltd, Roslin Innovation Centre, Charnock Bradley Building, Roslin, EH25 9RG, UK
| | - Ian G Fotheringham
- Ingenza Ltd, Roslin Innovation Centre, Charnock Bradley Building, Roslin, EH25 9RG, UK
| | - Deborah H Fuller
- Department of Microbiology, University of Washington, Seattle, WA 98195, USA
- National Primate Research Center, Seattle, WA 98121, USA
| | - Gabriel D Victora
- Laboratory of Lymphocyte Dynamics, The Rockefeller University, New York, NY, 10065, USA
| | - Pamela J Bjorkman
- Division of Biology and Biological Engineering, California Institute of Technology, Pasadena, CA 91125, USA
- Lead contact
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3
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Yang D, Wang X, Yang X, Qi S, Zhao F, Guo D, Li C, Zhu Q, Xing X, Cao Y, Sun D. Construction and immune effect evaluation of the S protein heptad repeat-based nanoparticle vaccine against porcine epidemic diarrhea virus. Virology 2024; 596:110113. [PMID: 38801794 DOI: 10.1016/j.virol.2024.110113] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2024] [Revised: 04/26/2024] [Accepted: 05/13/2024] [Indexed: 05/29/2024]
Abstract
Porcine epidemic diarrhea virus (PEDV), a highly virulent enteropathogenic coronavirus, is a significant threat to the pig industry. High frequency mutations in the PEDV genome have limited the effectiveness of current vaccines in providing immune protection. Developing efficient vaccines that can quickly adapt to mutant strains is a challenging but crucial task. In this study, we chose the pivotal protein heptad repeat (HR) responsible for coronavirus entry into host cells, as the vaccine antigen. HR-Fer nanoparticles prepared using ferritin were evaluated them as PEDV vaccine candidates. Nanoparticle vaccines elicited stronger neutralizing antibody responses in mice compared to monomer vaccines. Additionally, HR protein delivered via nanoparticles increased antigen uptake by antigen-presenting cells in vitro by 2.75-fold. The collective results suggest that HR can be used as antigens for vaccines, and the HR vaccine based on ferritin nanoparticles significantly enhances immunogenicity.
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Affiliation(s)
- Dan Yang
- College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, No. 5 Xinfeng Road, Sartu District, Daqing, 163319, China
| | - Xinglin Wang
- College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, No. 5 Xinfeng Road, Sartu District, Daqing, 163319, China
| | - Xu Yang
- College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, No. 5 Xinfeng Road, Sartu District, Daqing, 163319, China
| | - Shanshan Qi
- College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, No. 5 Xinfeng Road, Sartu District, Daqing, 163319, China
| | - Feiyu Zhao
- College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, No. 5 Xinfeng Road, Sartu District, Daqing, 163319, China
| | - Donghua Guo
- College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, No. 5 Xinfeng Road, Sartu District, Daqing, 163319, China
| | - Chunqiu Li
- College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, No. 5 Xinfeng Road, Sartu District, Daqing, 163319, China
| | - Qinghe Zhu
- College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, No. 5 Xinfeng Road, Sartu District, Daqing, 163319, China
| | - Xiaoxu Xing
- College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, No. 5 Xinfeng Road, Sartu District, Daqing, 163319, China
| | - Yang Cao
- College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, No. 5 Xinfeng Road, Sartu District, Daqing, 163319, China.
| | - Dongbo Sun
- College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, No. 5 Xinfeng Road, Sartu District, Daqing, 163319, China.
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4
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Amacher JF, Antos JM. Sortases: structure, mechanism, and implications for protein engineering. Trends Biochem Sci 2024:S0968-0004(24)00100-2. [PMID: 38692993 DOI: 10.1016/j.tibs.2024.04.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2023] [Revised: 03/22/2024] [Accepted: 04/15/2024] [Indexed: 05/03/2024]
Abstract
Sortase enzymes are critical cysteine transpeptidases on the surface of bacteria that attach proteins to the cell wall and are involved in the construction of bacterial pili. Due to their ability to recognize specific substrates and covalently ligate a range of reaction partners, sortases are widely used in protein engineering applications via sortase-mediated ligation (SML) strategies. In this review, we discuss recent structural studies elucidating key aspects of sortase specificity and the catalytic mechanism. We also highlight select recent applications of SML, including examples where fundamental studies of sortase structure and function have informed the continued development of these enzymes as tools for protein engineering.
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Affiliation(s)
- Jeanine F Amacher
- Department of Chemistry, Western Washington University, Bellingham, WA 98225, USA.
| | - John M Antos
- Department of Chemistry, Western Washington University, Bellingham, WA 98225, USA.
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5
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Chao CW, Sprouse KR, Miranda MC, Catanzaro NJ, Hubbard ML, Addetia A, Stewart C, Brown JT, Dosey A, Valdez A, Ravichandran R, Hendricks GG, Ahlrichs M, Dobbins C, Hand A, Treichel C, Willoughby I, Walls AC, McGuire AT, Leaf EM, Baric RS, Schäfer A, Veesler D, King NP. Protein nanoparticle vaccines induce potent neutralizing antibody responses against MERS-CoV. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.03.13.584735. [PMID: 38558973 PMCID: PMC10979991 DOI: 10.1101/2024.03.13.584735] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/04/2024]
Abstract
Middle East respiratory syndrome coronavirus (MERS-CoV) is a zoonotic betacoronavirus that causes severe and often lethal respiratory illness in humans. The MERS-CoV spike (S) protein is the viral fusogen and the target of neutralizing antibodies, and has therefore been the focus of vaccine design efforts. Currently there are no licensed vaccines against MERS-CoV and only a few candidates have advanced to Phase I clinical trials. Here we developed MERS-CoV vaccines utilizing a computationally designed protein nanoparticle platform that has generated safe and immunogenic vaccines against various enveloped viruses, including a licensed vaccine for SARS-CoV-2. Two-component protein nanoparticles displaying MERS-CoV S-derived antigens induced robust neutralizing antibody responses and protected mice against challenge with mouse-adapted MERS-CoV. Electron microscopy polyclonal epitope mapping and serum competition assays revealed the specificities of the dominant antibody responses elicited by immunogens displaying the prefusion-stabilized S-2P trimer, receptor binding domain (RBD), or N-terminal domain (NTD). An RBD nanoparticle vaccine elicited antibodies targeting multiple non-overlapping epitopes in the RBD, whereas anti-NTD antibodies elicited by the S-2P- and NTD-based immunogens converged on a single antigenic site. Our findings demonstrate the potential of two-component nanoparticle vaccine candidates for MERS-CoV and suggest that this platform technology could be broadly applicable to betacoronavirus vaccine development.
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Affiliation(s)
- Cara W Chao
- Institute for Protein Design, University of Washington, Seattle, WA 98195, USA
- Department of Biochemistry, University of Washington, Seattle, WA 98195, USA
- Graduate Program in Molecular and Cellular Biology, University of Washington, Seattle, WA 98195, USA
| | - Kaitlin R Sprouse
- Department of Biochemistry, University of Washington, Seattle, WA 98195, USA
| | - Marcos C Miranda
- Institute for Protein Design, University of Washington, Seattle, WA 98195, USA
- Department of Biochemistry, University of Washington, Seattle, WA 98195, USA
| | - Nicholas J Catanzaro
- Department of Epidemiology, University of North Carolina at Chapel Hill, Chapel Hill, NC 27514, USA
| | - Miranda L Hubbard
- Department of Epidemiology, University of North Carolina at Chapel Hill, Chapel Hill, NC 27514, USA
| | - Amin Addetia
- Department of Biochemistry, University of Washington, Seattle, WA 98195, USA
| | - Cameron Stewart
- Department of Biochemistry, University of Washington, Seattle, WA 98195, USA
| | - Jack T Brown
- Department of Biochemistry, University of Washington, Seattle, WA 98195, USA
| | - Annie Dosey
- Institute for Protein Design, University of Washington, Seattle, WA 98195, USA
- Department of Biochemistry, University of Washington, Seattle, WA 98195, USA
| | - Adian Valdez
- Institute for Protein Design, University of Washington, Seattle, WA 98195, USA
- Department of Biochemistry, University of Washington, Seattle, WA 98195, USA
| | - Rashmi Ravichandran
- Institute for Protein Design, University of Washington, Seattle, WA 98195, USA
- Department of Biochemistry, University of Washington, Seattle, WA 98195, USA
| | - Grace G Hendricks
- Institute for Protein Design, University of Washington, Seattle, WA 98195, USA
- Department of Biochemistry, University of Washington, Seattle, WA 98195, USA
| | - Maggie Ahlrichs
- Institute for Protein Design, University of Washington, Seattle, WA 98195, USA
- Department of Biochemistry, University of Washington, Seattle, WA 98195, USA
| | - Craig Dobbins
- Institute for Protein Design, University of Washington, Seattle, WA 98195, USA
- Department of Biochemistry, University of Washington, Seattle, WA 98195, USA
| | - Alexis Hand
- Institute for Protein Design, University of Washington, Seattle, WA 98195, USA
- Department of Biochemistry, University of Washington, Seattle, WA 98195, USA
| | - Catherine Treichel
- Institute for Protein Design, University of Washington, Seattle, WA 98195, USA
- Department of Biochemistry, University of Washington, Seattle, WA 98195, USA
| | - Isabelle Willoughby
- Institute for Protein Design, University of Washington, Seattle, WA 98195, USA
- Department of Biochemistry, University of Washington, Seattle, WA 98195, USA
| | - Alexandra C Walls
- Department of Biochemistry, University of Washington, Seattle, WA 98195, USA
| | - Andrew T McGuire
- Department of Biochemistry, University of Washington, Seattle, WA 98195, USA
| | - Elizabeth M Leaf
- Institute for Protein Design, University of Washington, Seattle, WA 98195, USA
- Department of Biochemistry, University of Washington, Seattle, WA 98195, USA
| | - Ralph S Baric
- Department of Epidemiology, University of North Carolina at Chapel Hill, Chapel Hill, NC 27514, USA
| | - Alexandra Schäfer
- Department of Epidemiology, University of North Carolina at Chapel Hill, Chapel Hill, NC 27514, USA
| | - David Veesler
- Department of Biochemistry, University of Washington, Seattle, WA 98195, USA
- Howard Hughes Medical Institute, Seattle, WA 98195, USA
| | - Neil P King
- Institute for Protein Design, University of Washington, Seattle, WA 98195, USA
- Department of Biochemistry, University of Washington, Seattle, WA 98195, USA
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6
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Hsieh MS, Hsu CW, Liao HC, Lin CL, Chiang CY, Chen MY, Liu SJ, Liao CL, Chen HW. SARS-CoV-2 spike-FLIPr fusion protein plus lipidated FLIPr protects against various SARS-CoV-2 variants in hamsters. J Virol 2024; 98:e0154623. [PMID: 38299865 PMCID: PMC10878263 DOI: 10.1128/jvi.01546-23] [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: 10/03/2023] [Accepted: 12/22/2023] [Indexed: 02/02/2024] Open
Abstract
Vaccine-induced mucosal immunity and broad protective capacity against various severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) variants remain inadequate. Formyl peptide receptor-like 1 inhibitory protein (FLIPr), produced by Staphylococcus aureus, can bind to various Fcγ receptor subclasses. Recombinant lipidated FLIPr (rLF) was previously found to be an effective adjuvant. In this study, we developed a vaccine candidate, the recombinant Delta SARS-CoV-2 spike (rDS)-FLIPr fusion protein (rDS-F), which employs the property of FLIPr binding to various Fcγ receptors. Our study shows that rDS-F plus rLF promotes rDS capture by dendritic cells. Intranasal vaccination of mice with rDS-F plus rLF increases persistent systemic and mucosal antibody responses and CD4/CD8 T-cell responses. Importantly, antibodies induced by rDS-F plus rLF vaccination neutralize Delta, Wuhan, Alpha, Beta, and Omicron strains. Additionally, rDS-F plus rLF provides protective effects against various SARS-CoV-2 variants in hamsters by reducing inflammation and viral loads in the lung. Therefore, rDS-F plus rLF is a potential vaccine candidate to induce broad protective responses against various SARS-CoV-2 variants.IMPORTANCEMucosal immunity is vital for combating pathogens, especially in the context of respiratory diseases like COVID-19. Despite this, most approved vaccines are administered via injection, providing systemic but limited mucosal protection. Developing vaccines that stimulate both mucosal and systemic immunity to address future coronavirus mutations is a growing trend. However, eliciting strong mucosal immune responses without adjuvants remains a challenge. In our study, we have demonstrated that using a recombinant severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) spike-formyl peptide receptor-like 1 inhibitory protein (FLIPr) fusion protein as an antigen, in combination with recombinant lipidated FLIPr as an effective adjuvant, induced simultaneous systemic and mucosal immune responses through intranasal immunization in mice and hamster models. This approach offered protection against various SARS-CoV-2 strains, making it a promising vaccine candidate for broad protection. This finding is pivotal for future broad-spectrum vaccine development.
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Affiliation(s)
- Ming-Shu Hsieh
- National Institute of Infectious Diseases and Vaccinology, National Health Research Institutes, Miaoli, Taiwan
| | - Chia-Wei Hsu
- National Institute of Infectious Diseases and Vaccinology, National Health Research Institutes, Miaoli, Taiwan
| | - Hung-Chun Liao
- National Institute of Infectious Diseases and Vaccinology, National Health Research Institutes, Miaoli, Taiwan
| | - Chang-Ling Lin
- National Institute of Infectious Diseases and Vaccinology, National Health Research Institutes, Miaoli, Taiwan
| | - Chen-Yi Chiang
- National Institute of Infectious Diseases and Vaccinology, National Health Research Institutes, Miaoli, Taiwan
| | - Mei-Yu Chen
- National Institute of Infectious Diseases and Vaccinology, National Health Research Institutes, Miaoli, Taiwan
| | - Shih-Jen Liu
- National Institute of Infectious Diseases and Vaccinology, National Health Research Institutes, Miaoli, Taiwan
- Graduate Institute of Biomedical Sciences, China Medical University, Taichung, Taiwan
- Graduate Institute of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Ching-Len Liao
- National Institute of Infectious Diseases and Vaccinology, National Health Research Institutes, Miaoli, Taiwan
| | - Hsin-Wei Chen
- National Institute of Infectious Diseases and Vaccinology, National Health Research Institutes, Miaoli, Taiwan
- Graduate Institute of Biomedical Sciences, China Medical University, Taichung, Taiwan
- Graduate Institute of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan
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7
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Beaudoin-Bussières G, Finzi A. Deciphering Fc-effector functions against SARS-CoV-2. Trends Microbiol 2024:S0966-842X(24)00005-2. [PMID: 38365562 DOI: 10.1016/j.tim.2024.01.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2023] [Revised: 01/12/2024] [Accepted: 01/16/2024] [Indexed: 02/18/2024]
Abstract
Major efforts were deployed to study the antibody response against SARS-CoV-2. Antibodies neutralizing SARS-CoV-2 have been extensively studied in the context of infections, vaccinations, and breakthrough infections. Antibodies, however, are pleiotropic proteins that have many functions in addition to neutralization. These include Fc-effector functions such as antibody-dependent cellular cytotoxicity (ADCC) and antibody-dependent cellular phagocytosis (ADCP). Although important to combat viral infections, these Fc-effector functions were less studied in the context of SARS-CoV-2 compared with binding and neutralization. This is partly due to the difficulty in developing reliable assays to measure Fc-effector functions compared to antibody binding and neutralization. Multiple assays have now been developed and can be used to measure different Fc-effector functions. Here, we review these assays and what is known regarding anti-SARS-CoV-2 Fc-effector functions. Overall, this review summarizes and updates our current state of knowledge regarding anti-SARS-CoV-2 Fc-effector functions.
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Affiliation(s)
- Guillaume Beaudoin-Bussières
- Centre de recherche du CHUM, Montréal, Québec H2X 0A9, Canada; Département de Microbiologie, Infectiologie et Immunologie, Université de Montréal, Montreal, Québec H2X 0A9, Canada
| | - Andrés Finzi
- Centre de recherche du CHUM, Montréal, Québec H2X 0A9, Canada; Département de Microbiologie, Infectiologie et Immunologie, Université de Montréal, Montreal, Québec H2X 0A9, Canada.
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8
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Cankat S, Demael MU, Swadling L. In search of a pan-coronavirus vaccine: next-generation vaccine design and immune mechanisms. Cell Mol Immunol 2024; 21:103-118. [PMID: 38148330 PMCID: PMC10805787 DOI: 10.1038/s41423-023-01116-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2023] [Accepted: 11/21/2023] [Indexed: 12/28/2023] Open
Abstract
Members of the coronaviridae family are endemic to human populations and have caused several epidemics and pandemics in recent history. In this review, we will discuss the feasibility of and progress toward the ultimate goal of creating a pan-coronavirus vaccine that can protect against infection and disease by all members of the coronavirus family. We will detail the unmet clinical need associated with the continued transmission of SARS-CoV-2, MERS-CoV and the four seasonal coronaviruses (HCoV-OC43, NL63, HKU1 and 229E) in humans and the potential for future zoonotic coronaviruses. We will highlight how first-generation SARS-CoV-2 vaccines and natural history studies have greatly increased our understanding of effective antiviral immunity to coronaviruses and have informed next-generation vaccine design. We will then consider the ideal properties of a pan-coronavirus vaccine and propose a blueprint for the type of immunity that may offer cross-protection. Finally, we will describe a subset of the diverse technologies and novel approaches being pursued with the goal of developing broadly or universally protective vaccines for coronaviruses.
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Affiliation(s)
- S Cankat
- Division of Infection and Immunity, Institute of Immunity and Transplantation, University College London, Pears Building, London, NW3 2PP, UK
| | - M U Demael
- Division of Infection and Immunity, Institute of Immunity and Transplantation, University College London, Pears Building, London, NW3 2PP, UK
| | - L Swadling
- Division of Infection and Immunity, Institute of Immunity and Transplantation, University College London, Pears Building, London, NW3 2PP, UK.
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9
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Sankhala RS, Lal KG, Jensen JL, Dussupt V, Mendez-Rivera L, Bai H, Wieczorek L, Mayer SV, Zemil M, Wagner DA, Townsley SM, Hajduczki A, Chang WC, Chen WH, Donofrio GC, Jian N, King HAD, Lorang CG, Martinez EJ, Rees PA, Peterson CE, Schmidt F, Hart TJ, Duso DK, Kummer LW, Casey SP, Williams JK, Kannan S, Slike BM, Smith L, Swafford I, Thomas PV, Tran U, Currier JR, Bolton DL, Davidson E, Doranz BJ, Hatziioannou T, Bieniasz PD, Paquin-Proulx D, Reiley WW, Rolland M, Sullivan NJ, Vasan S, Collins ND, Modjarrad K, Gromowski GD, Polonis VR, Michael NL, Krebs SJ, Joyce MG. Diverse array of neutralizing antibodies elicited upon Spike Ferritin Nanoparticle vaccination in rhesus macaques. Nat Commun 2024; 15:200. [PMID: 38172512 PMCID: PMC10764318 DOI: 10.1038/s41467-023-44265-0] [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: 05/22/2023] [Accepted: 12/06/2023] [Indexed: 01/05/2024] Open
Abstract
The repeat emergence of SARS-CoV-2 variants of concern (VoC) with decreased susceptibility to vaccine-elicited antibodies highlights the need to develop next-generation vaccine candidates that confer broad protection. Here we describe the antibody response induced by the SARS-CoV-2 Spike Ferritin Nanoparticle (SpFN) vaccine candidate adjuvanted with the Army Liposomal Formulation including QS21 (ALFQ) in non-human primates. By isolating and characterizing several monoclonal antibodies directed against the Spike Receptor Binding Domain (RBD), N-Terminal Domain (NTD), or the S2 Domain, we define the molecular recognition of vaccine-elicited cross-reactive monoclonal antibodies (mAbs) elicited by SpFN. We identify six neutralizing antibodies with broad sarbecovirus cross-reactivity that recapitulate serum polyclonal antibody responses. In particular, RBD mAb WRAIR-5001 binds to the conserved cryptic region with high affinity to sarbecovirus clades 1 and 2, including Omicron variants, while mAb WRAIR-5021 offers complete protection from B.1.617.2 (Delta) in a murine challenge study. Our data further highlight the ability of SpFN vaccination to stimulate cross-reactive B cells targeting conserved regions of the Spike with activity against SARS CoV-1 and SARS-CoV-2 variants.
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Affiliation(s)
- Rajeshwer S Sankhala
- Emerging Infectious Diseases Branch, Walter Reed Army Institute of Research, Silver Spring, MD, USA
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Bethesda, MD, USA
| | - Kerri G Lal
- Emerging Infectious Diseases Branch, Walter Reed Army Institute of Research, Silver Spring, MD, USA
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Bethesda, MD, USA
| | - Jaime L Jensen
- Emerging Infectious Diseases Branch, Walter Reed Army Institute of Research, Silver Spring, MD, USA
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Bethesda, MD, USA
| | - Vincent Dussupt
- Emerging Infectious Diseases Branch, Walter Reed Army Institute of Research, Silver Spring, MD, USA
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Bethesda, MD, USA
- U.S. Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, MD, USA
| | - Letzibeth Mendez-Rivera
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Bethesda, MD, USA
- U.S. Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, MD, USA
| | - Hongjun Bai
- Emerging Infectious Diseases Branch, Walter Reed Army Institute of Research, Silver Spring, MD, USA
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Bethesda, MD, USA
- U.S. Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, MD, USA
| | - Lindsay Wieczorek
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Bethesda, MD, USA
- U.S. Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, MD, USA
| | - Sandra V Mayer
- Emerging Infectious Diseases Branch, Walter Reed Army Institute of Research, Silver Spring, MD, USA
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Bethesda, MD, USA
| | - Michelle Zemil
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Bethesda, MD, USA
- U.S. Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, MD, USA
| | - Danielle A Wagner
- Vaccine Research Center, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD, USA
| | - Samantha M Townsley
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Bethesda, MD, USA
- U.S. Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, MD, USA
| | - Agnes Hajduczki
- Emerging Infectious Diseases Branch, Walter Reed Army Institute of Research, Silver Spring, MD, USA
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Bethesda, MD, USA
| | - William C Chang
- Emerging Infectious Diseases Branch, Walter Reed Army Institute of Research, Silver Spring, MD, USA
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Bethesda, MD, USA
| | - Wei-Hung Chen
- Emerging Infectious Diseases Branch, Walter Reed Army Institute of Research, Silver Spring, MD, USA
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Bethesda, MD, USA
| | - Gina C Donofrio
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Bethesda, MD, USA
- U.S. Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, MD, USA
| | - Ningbo Jian
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Bethesda, MD, USA
- U.S. Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, MD, USA
| | - Hannah A D King
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Bethesda, MD, USA
- U.S. Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, MD, USA
| | - Cynthia G Lorang
- Vaccine Research Center, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD, USA
| | - Elizabeth J Martinez
- Emerging Infectious Diseases Branch, Walter Reed Army Institute of Research, Silver Spring, MD, USA
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Bethesda, MD, USA
| | - Phyllis A Rees
- Emerging Infectious Diseases Branch, Walter Reed Army Institute of Research, Silver Spring, MD, USA
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Bethesda, MD, USA
| | - Caroline E Peterson
- Emerging Infectious Diseases Branch, Walter Reed Army Institute of Research, Silver Spring, MD, USA
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Bethesda, MD, USA
| | - Fabian Schmidt
- Laboratory of Retrovirology, The Rockefeller University, New York, NY, USA
| | | | | | | | | | | | | | - Bonnie M Slike
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Bethesda, MD, USA
- U.S. Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, MD, USA
| | - Lauren Smith
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Bethesda, MD, USA
- U.S. Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, MD, USA
| | - Isabella Swafford
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Bethesda, MD, USA
- U.S. Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, MD, USA
| | - Paul V Thomas
- Emerging Infectious Diseases Branch, Walter Reed Army Institute of Research, Silver Spring, MD, USA
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Bethesda, MD, USA
| | - Ursula Tran
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Bethesda, MD, USA
- U.S. Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, MD, USA
| | - Jeffrey R Currier
- Viral Diseases Branch, Walter Reed Army Institute of Research, Silver Spring, MD, USA
| | - Diane L Bolton
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Bethesda, MD, USA
- U.S. Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, MD, USA
| | | | | | | | - Paul D Bieniasz
- Laboratory of Retrovirology, The Rockefeller University, New York, NY, USA
- Howard Hughes Medical Institute, The Rockefeller University, New York, NY, USA
| | - Dominic Paquin-Proulx
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Bethesda, MD, USA
- U.S. Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, MD, USA
| | | | - Morgane Rolland
- Emerging Infectious Diseases Branch, Walter Reed Army Institute of Research, Silver Spring, MD, USA
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Bethesda, MD, USA
- U.S. Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, MD, USA
| | - Nancy J Sullivan
- Vaccine Research Center, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD, USA
| | - Sandhya Vasan
- Emerging Infectious Diseases Branch, Walter Reed Army Institute of Research, Silver Spring, MD, USA
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Bethesda, MD, USA
- U.S. Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, MD, USA
| | - Natalie D Collins
- Emerging Infectious Diseases Branch, Walter Reed Army Institute of Research, Silver Spring, MD, USA
- Viral Diseases Branch, Walter Reed Army Institute of Research, Silver Spring, MD, USA
| | - Kayvon Modjarrad
- Emerging Infectious Diseases Branch, Walter Reed Army Institute of Research, Silver Spring, MD, USA
- Vaccine Research and Development, Pfizer, Pearl River, New York, NY, USA
| | - Gregory D Gromowski
- Viral Diseases Branch, Walter Reed Army Institute of Research, Silver Spring, MD, USA
| | - Victoria R Polonis
- U.S. Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, MD, USA
| | - Nelson L Michael
- Center for Infectious Disease Research, Walter Reed Army Institute of Research, Silver Spring, MD, USA
| | - Shelly J Krebs
- Emerging Infectious Diseases Branch, Walter Reed Army Institute of Research, Silver Spring, MD, USA.
- U.S. Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, MD, USA.
| | - M Gordon Joyce
- Emerging Infectious Diseases Branch, Walter Reed Army Institute of Research, Silver Spring, MD, USA.
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Bethesda, MD, USA.
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10
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Wang Z, Zhang B, Ou L, Qiu Q, Wang L, Bylund T, Kong WP, Shi W, Tsybovsky Y, Wu L, Zhou Q, Chaudhary R, Choe M, Dickey TH, El Anbari M, Olia AS, Rawi R, Teng IT, Wang D, Wang S, Tolia NH, Zhou T, Kwong PD. Extraordinary Titer and Broad Anti-SARS-CoV-2 Neutralization Induced by Stabilized RBD Nanoparticles from Strain BA.5. Vaccines (Basel) 2023; 12:37. [PMID: 38250850 PMCID: PMC10821209 DOI: 10.3390/vaccines12010037] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2023] [Revised: 12/15/2023] [Accepted: 12/23/2023] [Indexed: 01/23/2024] Open
Abstract
The receptor-binding domain (RBD) of the SARS-CoV-2 spike is a primary target of neutralizing antibodies and a key component of licensed vaccines. Substantial mutations in RBD, however, enable current variants to escape immunogenicity generated by vaccination with the ancestral (WA1) strain. Here, we produce and assess self-assembling nanoparticles displaying RBDs from WA1 and BA.5 strains by using the SpyTag:SpyCatcher system for coupling. We observed both WA1- and BA.5-RBD nanoparticles to degrade substantially after a few days at 37 °C. Incorporation of nine RBD-stabilizing mutations, however, increased yield ~five-fold and stability such that more than 50% of either the WA1- or BA.5-RBD nanoparticle was retained after one week at 37 °C. Murine immunizations revealed that the stabilized RBD-nanoparticles induced ~100-fold higher autologous neutralization titers than the prefusion-stabilized (S2P) spike at a 2 μg dose. Even at a 25-fold lower dose where S2P-induced neutralization titers were below the detection limit, the stabilized BA.5-RBD nanoparticle induced homologous titers of 12,795 ID50 and heterologous titers against WA1 of 1767 ID50. Assessment against a panel of β-coronavirus variants revealed both the stabilized BA.5-RBD nanoparticle and the stabilized WA1-BA.5-(mosaic)-RBD nanoparticle to elicit much higher neutralization breadth than the stabilized WA1-RBD nanoparticle. The extraordinary titer and high neutralization breadth elicited by stabilized RBD nanoparticles from strain BA.5 make them strong candidates for next-generation COVID-19 vaccines.
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Affiliation(s)
- Zhantong Wang
- Vaccine Research Center, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD 20892, USA; (Z.W.); (Q.Q.); (T.B.); (L.W.); (M.C.); (D.W.); (S.W.)
| | - Baoshan Zhang
- Vaccine Research Center, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD 20892, USA; (Z.W.); (Q.Q.); (T.B.); (L.W.); (M.C.); (D.W.); (S.W.)
| | - Li Ou
- Vaccine Research Center, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD 20892, USA; (Z.W.); (Q.Q.); (T.B.); (L.W.); (M.C.); (D.W.); (S.W.)
| | - Qi Qiu
- Vaccine Research Center, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD 20892, USA; (Z.W.); (Q.Q.); (T.B.); (L.W.); (M.C.); (D.W.); (S.W.)
| | - Lingshu Wang
- Vaccine Research Center, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD 20892, USA; (Z.W.); (Q.Q.); (T.B.); (L.W.); (M.C.); (D.W.); (S.W.)
| | - Tatsiana Bylund
- Vaccine Research Center, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD 20892, USA; (Z.W.); (Q.Q.); (T.B.); (L.W.); (M.C.); (D.W.); (S.W.)
| | - Wing-Pui Kong
- Vaccine Research Center, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD 20892, USA; (Z.W.); (Q.Q.); (T.B.); (L.W.); (M.C.); (D.W.); (S.W.)
| | - Wei Shi
- Vaccine Research Center, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD 20892, USA; (Z.W.); (Q.Q.); (T.B.); (L.W.); (M.C.); (D.W.); (S.W.)
| | - Yaroslav Tsybovsky
- Vaccine Research Center Electron Microscopy Unit, Cancer Research Technology Program, Frederick National Laboratory for Cancer Research, Frederick, MD 20701, USA
| | - Lingyuan Wu
- Vaccine Research Center, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD 20892, USA; (Z.W.); (Q.Q.); (T.B.); (L.W.); (M.C.); (D.W.); (S.W.)
| | - Qiong Zhou
- Vaccine Research Center, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD 20892, USA; (Z.W.); (Q.Q.); (T.B.); (L.W.); (M.C.); (D.W.); (S.W.)
| | - Ridhi Chaudhary
- Vaccine Research Center, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD 20892, USA; (Z.W.); (Q.Q.); (T.B.); (L.W.); (M.C.); (D.W.); (S.W.)
| | - Misook Choe
- Vaccine Research Center, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD 20892, USA; (Z.W.); (Q.Q.); (T.B.); (L.W.); (M.C.); (D.W.); (S.W.)
| | - Thayne H. Dickey
- Host-Pathogen Interactions and Structural Vaccinology Section, Laboratory of Malaria Immunology and Vaccinology, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD 20892, USA; (T.H.D.)
| | - Mohammed El Anbari
- Vaccine Research Center, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD 20892, USA; (Z.W.); (Q.Q.); (T.B.); (L.W.); (M.C.); (D.W.); (S.W.)
| | - Adam S. Olia
- Vaccine Research Center, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD 20892, USA; (Z.W.); (Q.Q.); (T.B.); (L.W.); (M.C.); (D.W.); (S.W.)
| | - Reda Rawi
- Vaccine Research Center, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD 20892, USA; (Z.W.); (Q.Q.); (T.B.); (L.W.); (M.C.); (D.W.); (S.W.)
| | - I-Ting Teng
- Vaccine Research Center, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD 20892, USA; (Z.W.); (Q.Q.); (T.B.); (L.W.); (M.C.); (D.W.); (S.W.)
| | - Danyi Wang
- Vaccine Research Center, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD 20892, USA; (Z.W.); (Q.Q.); (T.B.); (L.W.); (M.C.); (D.W.); (S.W.)
| | - Shuishu Wang
- Vaccine Research Center, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD 20892, USA; (Z.W.); (Q.Q.); (T.B.); (L.W.); (M.C.); (D.W.); (S.W.)
| | - Niraj H. Tolia
- Host-Pathogen Interactions and Structural Vaccinology Section, Laboratory of Malaria Immunology and Vaccinology, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD 20892, USA; (T.H.D.)
| | - Tongqing Zhou
- Vaccine Research Center, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD 20892, USA; (Z.W.); (Q.Q.); (T.B.); (L.W.); (M.C.); (D.W.); (S.W.)
| | - Peter D. Kwong
- Vaccine Research Center, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD 20892, USA; (Z.W.); (Q.Q.); (T.B.); (L.W.); (M.C.); (D.W.); (S.W.)
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11
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Malewana RD, Stalls V, May A, Lu X, Martinez DR, Schäfer A, Li D, Barr M, Sutherland LL, Lee E, Parks R, Beck WE, Newman A, Bock KW, Minai M, Nagata BM, DeMarco CT, Denny TN, Oguin TH, Rountree W, Wang Y, Mansouri K, Edwards RJ, Sempowski GD, Eaton A, Muramatsu H, Henderson R, Tam Y, Barbosa C, Tang J, Cain DW, Santra S, Moore IN, Andersen H, Lewis MG, Golding H, Seder R, Khurana S, Montefiori DC, Pardi N, Weissman D, Baric RS, Acharya P, Haynes BF, Saunders KO. Broadly neutralizing antibody induction by non-stabilized SARS-CoV-2 Spike mRNA vaccination in nonhuman primates. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.12.18.572191. [PMID: 38187726 PMCID: PMC10769253 DOI: 10.1101/2023.12.18.572191] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/09/2024]
Abstract
Immunization with mRNA or viral vectors encoding spike with diproline substitutions (S-2P) has provided protective immunity against severe COVID-19 disease. How immunization with Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) spike elicits neutralizing antibodies (nAbs) against difficult-to-neutralize variants of concern (VOCs) remains an area of great interest. Here, we compare immunization of macaques with mRNA vaccines expressing ancestral spike either including or lacking diproline substitutions, and show the diproline substitutions were not required for protection against SARS-CoV-2 challenge or induction of broadly neutralizing B cell lineages. One group of nAbs elicited by the ancestral spike lacking diproline substitutions targeted the outer face of the receptor binding domain (RBD), neutralized all tested SARS-CoV-2 VOCs including Omicron XBB.1.5, but lacked cross-Sarbecovirus neutralization. Structural analysis showed that the macaque broad SARS-CoV-2 VOC nAbs bound to the same epitope as a human broad SARS-CoV-2 VOC nAb, DH1193. Vaccine-induced antibodies that targeted the RBD inner face neutralized multiple Sarbecoviruses, protected mice from bat CoV RsSHC014 challenge, but lacked Omicron variant neutralization. Thus, ancestral SARS-CoV-2 spike lacking proline substitutions encoded by nucleoside-modified mRNA can induce B cell lineages binding to distinct RBD sites that either broadly neutralize animal and human Sarbecoviruses or recent Omicron VOCs.
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Affiliation(s)
- R. Dilshan Malewana
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC 27710, USA
- Department of Integrative Immunobiology, Duke University School of Medicine, Durham, NC 27710, USA
| | - Victoria Stalls
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC 27710, USA
- Department of Medicine, Duke University School of Medicine, Durham, NC 27710, USA
| | - Aaron May
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC 27710, USA
- Department of Biochemistry, Duke University School of Medicine, Durham, NC 27710, USA
| | - Xiaozhi Lu
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC 27710, USA
- Department of Medicine, Duke University School of Medicine, Durham, NC 27710, USA
| | - David R. Martinez
- Department of Epidemiology, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
- Department of Immunobiology, Yale Center for Infection and Immunity, Yale School of Medicine, New Haven, CT, USA
| | - Alexandra Schäfer
- Department of Epidemiology, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
| | - Dapeng Li
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC 27710, USA
- Department of Medicine, Duke University School of Medicine, Durham, NC 27710, USA
| | - Maggie Barr
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC 27710, USA
- Department of Medicine, Duke University School of Medicine, Durham, NC 27710, USA
| | - Laura L. Sutherland
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC 27710, USA
- Department of Medicine, Duke University School of Medicine, Durham, NC 27710, USA
| | - Esther Lee
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC 27710, USA
- Department of Medicine, Duke University School of Medicine, Durham, NC 27710, USA
| | - Robert Parks
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC 27710, USA
- Department of Medicine, Duke University School of Medicine, Durham, NC 27710, USA
| | - Whitney Edwards Beck
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC 27710, USA
- Department of Medicine, Duke University School of Medicine, Durham, NC 27710, USA
| | - Amanda Newman
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC 27710, USA
- Department of Medicine, Duke University School of Medicine, Durham, NC 27710, USA
| | - Kevin W. Bock
- Infectious Disease Pathogenesis Section, Comparative Medicine Branch, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD 20814, USA
| | - Mahnaz Minai
- Infectious Disease Pathogenesis Section, Comparative Medicine Branch, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD 20814, USA
| | - Bianca M. Nagata
- Infectious Disease Pathogenesis Section, Comparative Medicine Branch, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD 20814, USA
| | - C. Todd DeMarco
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC 27710, USA
- Department of Medicine, Duke University School of Medicine, Durham, NC 27710, USA
| | - Thomas N. Denny
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC 27710, USA
- Department of Medicine, Duke University School of Medicine, Durham, NC 27710, USA
| | - Thomas H. Oguin
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC 27710, USA
- Department of Medicine, Duke University School of Medicine, Durham, NC 27710, USA
| | - Wes Rountree
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC 27710, USA
- Department of Medicine, Duke University School of Medicine, Durham, NC 27710, USA
| | - Yunfei Wang
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC 27710, USA
- Department of Medicine, Duke University School of Medicine, Durham, NC 27710, USA
| | - Katayoun Mansouri
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC 27710, USA
- Department of Medicine, Duke University School of Medicine, Durham, NC 27710, USA
| | - Robert J. Edwards
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC 27710, USA
- Department of Medicine, Duke University School of Medicine, Durham, NC 27710, USA
| | - Gregory D. Sempowski
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC 27710, USA
- Department of Medicine, Duke University School of Medicine, Durham, NC 27710, USA
| | - Amanda Eaton
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC 27710, USA
- Department of Medicine, Duke University School of Medicine, Durham, NC 27710, USA
| | - Hiromi Muramatsu
- Department of Microbiology, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Rory Henderson
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC 27710, USA
- Department of Medicine, Duke University School of Medicine, Durham, NC 27710, USA
| | - Ying Tam
- Acuitas Therapeutics, LLC, Vancouver, BC, V6T 1Z3, Canada
| | | | - Juanjie Tang
- Division of Viral Products, Center for Biologics Evaluation and Research (CBER), Food and Drug Administration, Silver Spring, MD 20871, USA
| | - Derek W. Cain
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC 27710, USA
- Department of Medicine, Duke University School of Medicine, Durham, NC 27710, USA
| | - Sampa Santra
- Beth Israel Deaconess Medical Center, Boston, MA 02215, USA
| | - Ian N. Moore
- Infectious Disease Pathogenesis Section, Comparative Medicine Branch, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD 20814, USA
| | | | | | - Hana Golding
- Division of Viral Products, Center for Biologics Evaluation and Research (CBER), Food and Drug Administration, Silver Spring, MD 20871, USA
| | - Robert Seder
- Vaccine Research Center, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD 20814, USA
| | - Surender Khurana
- Division of Viral Products, Center for Biologics Evaluation and Research (CBER), Food and Drug Administration, Silver Spring, MD 20871, USA
| | - David C. Montefiori
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC 27710, USA
- Department of Medicine, Duke University School of Medicine, Durham, NC 27710, USA
| | - Norbert Pardi
- Department of Microbiology, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Drew Weissman
- Department of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Ralph S. Baric
- Department of Epidemiology, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
| | - Priyamvada Acharya
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC 27710, USA
- Department of Biochemistry, Duke University School of Medicine, Durham, NC 27710, USA
- Department of Surgery, Duke University School of Medicine, Durham, NC 27710, USA
| | - Barton F. Haynes
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC 27710, USA
- Department of Integrative Immunobiology, Duke University School of Medicine, Durham, NC 27710, USA
- Department of Medicine, Duke University School of Medicine, Durham, NC 27710, USA
| | - Kevin O. Saunders
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC 27710, USA
- Department of Integrative Immunobiology, Duke University School of Medicine, Durham, NC 27710, USA
- Department of Surgery, Duke University School of Medicine, Durham, NC 27710, USA
- Department of Molecular Genetics and Microbiology, Duke University School of Medicine, Durham, NC 27710, USA
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12
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Kapingidza AB, Marston DJ, Harris C, Wrapp D, Winters K, Mielke D, Xiaozhi L, Yin Q, Foulger A, Parks R, Barr M, Newman A, Schäfer A, Eaton A, Flores JM, Harner A, Catanzaro NJ, Mallory ML, Mattocks MD, Beverly C, Rhodes B, Mansouri K, Van Itallie E, Vure P, Dunn B, Keyes T, Stanfield-Oakley S, Woods CW, Petzold EA, Walter EB, Wiehe K, Edwards RJ, Montefiori DC, Ferrari G, Baric R, Cain DW, Saunders KO, Haynes BF, Azoitei ML. Engineered immunogens to elicit antibodies against conserved coronavirus epitopes. Nat Commun 2023; 14:7897. [PMID: 38036525 PMCID: PMC10689493 DOI: 10.1038/s41467-023-43638-9] [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: 01/19/2023] [Accepted: 11/15/2023] [Indexed: 12/02/2023] Open
Abstract
Immune responses to SARS-CoV-2 primarily target the receptor binding domain of the spike protein, which continually mutates to escape acquired immunity. Other regions in the spike S2 subunit, such as the stem helix and the segment encompassing residues 815-823 adjacent to the fusion peptide, are highly conserved across sarbecoviruses and are recognized by broadly reactive antibodies, providing hope that vaccines targeting these epitopes could offer protection against both current and emergent viruses. Here we employ computational modeling to design scaffolded immunogens that display the spike 815-823 peptide and the stem helix epitopes without the distracting and immunodominant receptor binding domain. These engineered proteins bind with high affinity and specificity to the mature and germline versions of previously identified broadly protective human antibodies. Epitope scaffolds interact with both sera and isolated monoclonal antibodies with broadly reactivity from individuals with pre-existing SARS-CoV-2 immunity. When used as immunogens, epitope scaffolds elicit sera with broad betacoronavirus reactivity and protect as "boosts" against live virus challenge in mice, illustrating their potential as components of a future pancoronavirus vaccine.
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Affiliation(s)
- A Brenda Kapingidza
- Duke Human Vaccine Institute, Duke University, Durham, NC, USA
- Department of Medicine, Duke University, Durham, NC, USA
| | - Daniel J Marston
- Duke Human Vaccine Institute, Duke University, Durham, NC, USA
- Department of Medicine, Duke University, Durham, NC, USA
| | - Caitlin Harris
- Duke Human Vaccine Institute, Duke University, Durham, NC, USA
- Department of Medicine, Duke University, Durham, NC, USA
| | - Daniel Wrapp
- Duke Human Vaccine Institute, Duke University, Durham, NC, USA
- Department of Medicine, Duke University, Durham, NC, USA
| | - Kaitlyn Winters
- Duke Human Vaccine Institute, Duke University, Durham, NC, USA
- Department of Medicine, Duke University, Durham, NC, USA
| | - Dieter Mielke
- Department of Surgery, Duke University, Durham, NC, USA
- Center for Human Systems Immunology, Duke University, Durham, NC, USA
| | - Lu Xiaozhi
- Duke Human Vaccine Institute, Duke University, Durham, NC, USA
- Department of Medicine, Duke University, Durham, NC, USA
| | - Qi Yin
- Duke Human Vaccine Institute, Duke University, Durham, NC, USA
- Department of Medicine, Duke University, Durham, NC, USA
| | - Andrew Foulger
- Duke Human Vaccine Institute, Duke University, Durham, NC, USA
- Department of Medicine, Duke University, Durham, NC, USA
| | - Rob Parks
- Duke Human Vaccine Institute, Duke University, Durham, NC, USA
- Department of Medicine, Duke University, Durham, NC, USA
| | - Maggie Barr
- Duke Human Vaccine Institute, Duke University, Durham, NC, USA
- Department of Medicine, Duke University, Durham, NC, USA
| | - Amanda Newman
- Duke Human Vaccine Institute, Duke University, Durham, NC, USA
- Department of Medicine, Duke University, Durham, NC, USA
| | - Alexandra Schäfer
- Department of Epidemiology, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
| | - Amanda Eaton
- Department of Surgery, Duke University, Durham, NC, USA
| | - Justine Mae Flores
- Duke Human Vaccine Institute, Duke University, Durham, NC, USA
- Department of Medicine, Duke University, Durham, NC, USA
| | - Austin Harner
- Duke Human Vaccine Institute, Duke University, Durham, NC, USA
- Department of Medicine, Duke University, Durham, NC, USA
| | - Nicholas J Catanzaro
- Department of Epidemiology, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
| | - Michael L Mallory
- Department of Epidemiology, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
| | - Melissa D Mattocks
- Department of Epidemiology, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
| | - Christopher Beverly
- Duke Human Vaccine Institute, Duke University, Durham, NC, USA
- Department of Medicine, Duke University, Durham, NC, USA
| | - Brianna Rhodes
- Duke Human Vaccine Institute, Duke University, Durham, NC, USA
- Department of Medicine, Duke University, Durham, NC, USA
| | | | - Elizabeth Van Itallie
- Duke Human Vaccine Institute, Duke University, Durham, NC, USA
- Department of Medicine, Duke University, Durham, NC, USA
| | - Pranay Vure
- Duke Human Vaccine Institute, Duke University, Durham, NC, USA
- Department of Medicine, Duke University, Durham, NC, USA
| | - Brooke Dunn
- Department of Surgery, Duke University, Durham, NC, USA
| | - Taylor Keyes
- Department of Surgery, Duke University, Durham, NC, USA
| | | | - Christopher W Woods
- Duke Human Vaccine Institute, Duke University, Durham, NC, USA
- Department of Medicine, Duke University, Durham, NC, USA
- Center for Infectious Diseases and Diagnostic Innovation, Duke University Medical Center, Durham, NC, USA
| | - Elizabeth A Petzold
- Center for Infectious Diseases and Diagnostic Innovation, Duke University Medical Center, Durham, NC, USA
| | - Emmanuel B Walter
- Duke Human Vaccine Institute, Duke University, Durham, NC, USA
- Department of Pediatrics, Duke University, Durham, NC, USA
| | - Kevin Wiehe
- Duke Human Vaccine Institute, Duke University, Durham, NC, USA
- Department of Medicine, Duke University, Durham, NC, USA
| | - Robert J Edwards
- Duke Human Vaccine Institute, Duke University, Durham, NC, USA
- Department of Medicine, Duke University, Durham, NC, USA
| | | | - Guido Ferrari
- Duke Human Vaccine Institute, Duke University, Durham, NC, USA
- Department of Surgery, Duke University, Durham, NC, USA
- Center for Human Systems Immunology, Duke University, Durham, NC, USA
- Department of Molecular Genetics and Microbiology, Duke University, Durham, NC, USA
| | - Ralph Baric
- Department of Epidemiology, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
| | - Derek W Cain
- Duke Human Vaccine Institute, Duke University, Durham, NC, USA
- Department of Medicine, Duke University, Durham, NC, USA
| | - Kevin O Saunders
- Duke Human Vaccine Institute, Duke University, Durham, NC, USA
- Department of Surgery, Duke University, Durham, NC, USA
- Department of Molecular Genetics and Microbiology, Duke University, Durham, NC, USA
- Department of Immunology, Duke University, Durham, NC, USA
| | - Barton F Haynes
- Duke Human Vaccine Institute, Duke University, Durham, NC, USA
- Department of Medicine, Duke University, Durham, NC, USA
- Department of Immunology, Duke University, Durham, NC, USA
| | - Mihai L Azoitei
- Duke Human Vaccine Institute, Duke University, Durham, NC, USA.
- Department of Medicine, Duke University, Durham, NC, USA.
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13
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Gagne M, Flynn BJ, Andrew SF, Flebbe DR, Mychalowych A, Lamb E, Davis-Gardner ME, Burnett MR, Serebryannyy LA, Lin BC, Pessaint L, Todd JPM, Ziff ZE, Maule E, Carroll R, Naisan M, Jethmalani Y, Case JB, Dmitriev IP, Kashentseva EA, Ying B, Dodson A, Kouneski K, Doria-Rose NA, O'Dell S, Godbole S, Laboune F, Henry AR, Marquez J, Teng IT, Wang L, Zhou Q, Wali B, Ellis M, Zouantchangadou S, Ry AV, Lewis MG, Andersen H, Kwong PD, Curiel DT, Foulds KE, Nason MC, Suthar MS, Roederer M, Diamond MS, Douek DC, Seder RA. Mucosal Adenoviral-vectored Vaccine Boosting Durably Prevents XBB.1.16 Infection in Nonhuman Primates. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.11.06.565765. [PMID: 37986823 PMCID: PMC10659340 DOI: 10.1101/2023.11.06.565765] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/22/2023]
Abstract
Waning immunity and continued virus evolution have limited the durability of protection from symptomatic infection mediated by intramuscularly (IM)-delivered mRNA vaccines against COVID-19 although protection from severe disease remains high. Mucosal vaccination has been proposed as a strategy to increase protection at the site of SARS-CoV-2 infection by enhancing airway immunity, potentially reducing rates of infection and transmission. Here, we compared protection against XBB.1.16 virus challenge 5 months following IM or mucosal boosting in non-human primates (NHP) that had previously received a two-dose mRNA-1273 primary vaccine regimen. The mucosal boost was composed of a bivalent chimpanzee adenoviral-vectored vaccine encoding for both SARS-CoV-2 WA1 and BA.5 spike proteins (ChAd-SARS-CoV-2-S) and delivered either by an intranasal mist or an inhaled aerosol. An additional group of animals was boosted by the IM route with bivalent WA1/BA.5 spike-matched mRNA (mRNA-1273.222) as a benchmark control. NHP were challenged in the upper and lower airways 18 weeks after boosting with XBB.1.16, a heterologous Omicron lineage strain. Cohorts boosted with ChAd-SARS-CoV-2-S by an aerosolized or intranasal route had low to undetectable virus replication as assessed by levels of subgenomic SARS-CoV-2 RNA in the lungs and nose, respectively. In contrast, animals that received the mRNA-1273.222 boost by the IM route showed minimal protection against virus replication in the upper airway but substantial reduction of virus RNA levels in the lower airway. Immune analysis showed that the mucosal vaccines elicited more durable antibody and T cell responses than the IM vaccine. Protection elicited by the aerosolized vaccine was associated with mucosal IgG and IgA responses, whereas protection elicited by intranasal delivery was mediated primarily by mucosal IgA. Thus, durable immunity and effective protection against a highly transmissible heterologous variant in both the upper and lower airways can be achieved by mucosal delivery of a virus-vectored vaccine. Our study provides a template for the development of mucosal vaccines that limit infection and transmission against respiratory pathogens. Graphical abstract
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14
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Phung I, Rodrigues KA, Marina-Zárate E, Maiorino L, Pahar B, Lee WH, Melo M, Kaur A, Allers C, Fahlberg M, Grasperge BF, Dufour JP, Schiro F, Aye PP, Lopez PG, Torres JL, Ozorowski G, Eskandarzadeh S, Kubitz M, Georgeson E, Groschel B, Nedellec R, Bick M, Kaczmarek Michaels K, Gao H, Shen X, Carnathan DG, Silvestri G, Montefiori DC, Ward AB, Hangartner L, Veazey RS, Burton DR, Schief WR, Irvine DJ, Crotty S. A combined adjuvant approach primes robust germinal center responses and humoral immunity in non-human primates. Nat Commun 2023; 14:7107. [PMID: 37925510 PMCID: PMC10625619 DOI: 10.1038/s41467-023-42923-x] [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: 04/21/2023] [Accepted: 10/25/2023] [Indexed: 11/06/2023] Open
Abstract
Adjuvants and antigen delivery kinetics can profoundly influence B cell responses and should be critically considered in rational vaccine design, particularly for difficult neutralizing antibody targets such as human immunodeficiency virus (HIV). Antigen kinetics can change depending on the delivery method. To promote extended immunogen bioavailability and to present antigen in a multivalent form, native-HIV Env trimers are modified with short phosphoserine peptide linkers that promote tight binding to aluminum hydroxide (pSer:alum). Here we explore the use of a combined adjuvant approach that incorporates pSer:alum-mediated antigen delivery with potent adjuvants (SMNP, 3M-052) in an extensive head-to-head comparison study with conventional alum to assess germinal center (GC) and humoral immune responses. Priming with pSer:alum plus SMNP induces additive effects that enhance the magnitude and persistence of GCs, which correlate with better GC-TFH cell help. Autologous HIV-neutralizing antibody titers are improved in SMNP-immunized animals after two immunizations. Over 9 months after priming immunization of pSer:alum with either SMNP or 3M-052, robust Env-specific bone marrow plasma cells (BM BPC) are observed. Furthermore, pSer-modification of Env trimer reduce targeting towards immunodominant non-neutralizing epitopes. The study shows that a combined adjuvant approach can augment humoral immunity by modulating immunodominance and shows promise for clinical translation.
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Affiliation(s)
- Ivy Phung
- Center for Infectious Disease and Vaccine Research, La Jolla Institute for Immunology (LJI), La Jolla, CA, 92037, USA
- Consortium for HIV/AIDS Vaccine Development (CHAVD), The Scripps Research Institute, La Jolla, CA, 92037, USA
- Department of Medicine, Division of Infectious Diseases and Global Public Health, University of California, San Diego (UCSD), La Jolla, CA, 92037, USA
| | - Kristen A Rodrigues
- Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA, 02139, USA
- Ragon Institute of Massachusetts General Hospital, Massachusetts Institute of Technology and Harvard University, Cambridge, MA, 02139, USA
| | - Ester Marina-Zárate
- Center for Infectious Disease and Vaccine Research, La Jolla Institute for Immunology (LJI), La Jolla, CA, 92037, USA
- Consortium for HIV/AIDS Vaccine Development (CHAVD), The Scripps Research Institute, La Jolla, CA, 92037, USA
| | - Laura Maiorino
- Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA, 02139, USA
- Ragon Institute of Massachusetts General Hospital, Massachusetts Institute of Technology and Harvard University, Cambridge, MA, 02139, USA
| | - Bapi Pahar
- Tulane National Primate Research Center, Tulane School of Medicine, Covington, LA, 70433, USA
| | - Wen-Hsin Lee
- Department of Integrative Structural and Computational Biology, The Scripps Research Institute, La Jolla, CA, 92037, USA
| | - Mariane Melo
- Consortium for HIV/AIDS Vaccine Development (CHAVD), The Scripps Research Institute, La Jolla, CA, 92037, USA
- Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA, 02139, USA
- Ragon Institute of Massachusetts General Hospital, Massachusetts Institute of Technology and Harvard University, Cambridge, MA, 02139, USA
| | - Amitinder Kaur
- Tulane National Primate Research Center, Tulane School of Medicine, Covington, LA, 70433, USA
| | - Carolina Allers
- Tulane National Primate Research Center, Tulane School of Medicine, Covington, LA, 70433, USA
| | - Marissa Fahlberg
- Tulane National Primate Research Center, Tulane School of Medicine, Covington, LA, 70433, USA
| | - Brooke F Grasperge
- Tulane National Primate Research Center, Tulane School of Medicine, Covington, LA, 70433, USA
| | - Jason P Dufour
- Tulane National Primate Research Center, Tulane School of Medicine, Covington, LA, 70433, USA
| | - Faith Schiro
- Tulane National Primate Research Center, Tulane School of Medicine, Covington, LA, 70433, USA
| | - Pyone P Aye
- Tulane National Primate Research Center, Tulane School of Medicine, Covington, LA, 70433, USA
| | - Paul G Lopez
- Center for Infectious Disease and Vaccine Research, La Jolla Institute for Immunology (LJI), La Jolla, CA, 92037, USA
| | - Jonathan L Torres
- Department of Integrative Structural and Computational Biology, The Scripps Research Institute, La Jolla, CA, 92037, USA
| | - Gabriel Ozorowski
- Consortium for HIV/AIDS Vaccine Development (CHAVD), The Scripps Research Institute, La Jolla, CA, 92037, USA
- Department of Integrative Structural and Computational Biology, The Scripps Research Institute, La Jolla, CA, 92037, USA
- IAVI Neutralizing Antibody Center, The Scripps Research Institute, La Jolla, CA, 92037, USA
| | - Saman Eskandarzadeh
- Consortium for HIV/AIDS Vaccine Development (CHAVD), The Scripps Research Institute, La Jolla, CA, 92037, USA
- IAVI Neutralizing Antibody Center, The Scripps Research Institute, La Jolla, CA, 92037, USA
- Department of Immunology and Microbiology, The Scripps Research Institute, La Jolla, CA, 92037, USA
| | - Michael Kubitz
- Consortium for HIV/AIDS Vaccine Development (CHAVD), The Scripps Research Institute, La Jolla, CA, 92037, USA
- IAVI Neutralizing Antibody Center, The Scripps Research Institute, La Jolla, CA, 92037, USA
- Department of Immunology and Microbiology, The Scripps Research Institute, La Jolla, CA, 92037, USA
| | - Erik Georgeson
- Consortium for HIV/AIDS Vaccine Development (CHAVD), The Scripps Research Institute, La Jolla, CA, 92037, USA
- IAVI Neutralizing Antibody Center, The Scripps Research Institute, La Jolla, CA, 92037, USA
- Department of Immunology and Microbiology, The Scripps Research Institute, La Jolla, CA, 92037, USA
| | - Bettina Groschel
- Consortium for HIV/AIDS Vaccine Development (CHAVD), The Scripps Research Institute, La Jolla, CA, 92037, USA
- IAVI Neutralizing Antibody Center, The Scripps Research Institute, La Jolla, CA, 92037, USA
- Department of Immunology and Microbiology, The Scripps Research Institute, La Jolla, CA, 92037, USA
| | - Rebecca Nedellec
- Department of Immunology and Microbiology, The Scripps Research Institute, La Jolla, CA, 92037, USA
| | - Michael Bick
- Department of Immunology and Microbiology, The Scripps Research Institute, La Jolla, CA, 92037, USA
| | - Katarzyna Kaczmarek Michaels
- Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA, 02139, USA
- Ragon Institute of Massachusetts General Hospital, Massachusetts Institute of Technology and Harvard University, Cambridge, MA, 02139, USA
| | - Hongmei Gao
- Department of Surgery, Laboratory for AIDS Vaccine Research & Development, Duke University Medical Center, Duke University, Durham, NC, 27710, USA
| | - Xiaoying Shen
- Department of Surgery, Laboratory for AIDS Vaccine Research & Development, Duke University Medical Center, Duke University, Durham, NC, 27710, USA
| | - Diane G Carnathan
- Emory National Primate Research Center and Emory Vaccine Center, Emory University School of Medicine, Atlanta, GA, 30322, USA
| | - Guido Silvestri
- Emory National Primate Research Center and Emory Vaccine Center, Emory University School of Medicine, Atlanta, GA, 30322, USA
| | - David C Montefiori
- Department of Surgery, Laboratory for AIDS Vaccine Research & Development, Duke University Medical Center, Duke University, Durham, NC, 27710, USA
| | - Andrew B Ward
- Consortium for HIV/AIDS Vaccine Development (CHAVD), The Scripps Research Institute, La Jolla, CA, 92037, USA
- Department of Integrative Structural and Computational Biology, The Scripps Research Institute, La Jolla, CA, 92037, USA
| | - Lars Hangartner
- Consortium for HIV/AIDS Vaccine Development (CHAVD), The Scripps Research Institute, La Jolla, CA, 92037, USA
- Department of Immunology and Microbiology, The Scripps Research Institute, La Jolla, CA, 92037, USA
| | - Ronald S Veazey
- Tulane National Primate Research Center, Tulane School of Medicine, Covington, LA, 70433, USA
| | - Dennis R Burton
- Consortium for HIV/AIDS Vaccine Development (CHAVD), The Scripps Research Institute, La Jolla, CA, 92037, USA
- Ragon Institute of Massachusetts General Hospital, Massachusetts Institute of Technology and Harvard University, Cambridge, MA, 02139, USA
- IAVI Neutralizing Antibody Center, The Scripps Research Institute, La Jolla, CA, 92037, USA
- Department of Immunology and Microbiology, The Scripps Research Institute, La Jolla, CA, 92037, USA
| | - William R Schief
- Consortium for HIV/AIDS Vaccine Development (CHAVD), The Scripps Research Institute, La Jolla, CA, 92037, USA
- Ragon Institute of Massachusetts General Hospital, Massachusetts Institute of Technology and Harvard University, Cambridge, MA, 02139, USA
- IAVI Neutralizing Antibody Center, The Scripps Research Institute, La Jolla, CA, 92037, USA
- Department of Immunology and Microbiology, The Scripps Research Institute, La Jolla, CA, 92037, USA
| | - Darrell J Irvine
- Consortium for HIV/AIDS Vaccine Development (CHAVD), The Scripps Research Institute, La Jolla, CA, 92037, USA.
- Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA, 02139, USA.
- Ragon Institute of Massachusetts General Hospital, Massachusetts Institute of Technology and Harvard University, Cambridge, MA, 02139, USA.
- Department of Biological Engineering, Massachusetts Institute of Technology, Cambridge, MA, 02139, USA.
- Department of Materials Science and Engineering, Massachusetts Institute of Technology, Cambridge, MA, 02139, USA.
- Howard Hughes Medical Institute, Chevy Chase, MD, 20815, USA.
| | - Shane Crotty
- Center for Infectious Disease and Vaccine Research, La Jolla Institute for Immunology (LJI), La Jolla, CA, 92037, USA.
- Consortium for HIV/AIDS Vaccine Development (CHAVD), The Scripps Research Institute, La Jolla, CA, 92037, USA.
- Department of Medicine, Division of Infectious Diseases and Global Public Health, University of California, San Diego (UCSD), La Jolla, CA, 92037, USA.
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15
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Martinez DR, Schäfer A, Gavitt TD, Mallory ML, Lee E, Catanzaro NJ, Chen H, Gully K, Scobey T, Korategere P, Brown A, Smith L, Parks R, Barr M, Newman A, Bowman C, Powers JM, Soderblom EJ, Mansouri K, Edwards RJ, Baric RS, Haynes BF, Saunders KO. Vaccine-mediated protection against Merbecovirus and Sarbecovirus challenge in mice. Cell Rep 2023; 42:113248. [PMID: 37858337 PMCID: PMC10842144 DOI: 10.1016/j.celrep.2023.113248] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2023] [Revised: 08/30/2023] [Accepted: 09/26/2023] [Indexed: 10/21/2023] Open
Abstract
The emergence of three highly pathogenic human coronaviruses-severe acute respiratory syndrome coronavirus (SARS-CoV) in 2003, Middle Eastern respiratory syndrome (MERS)-CoV in 2012, and SARS-CoV-2 in 2019-underlines the need to develop broadly active vaccines against the Merbecovirus and Sarbecovirus betacoronavirus subgenera. While SARS-CoV-2 vaccines protect against severe COVID-19, they do not protect against other sarbecoviruses or merbecoviruses. Here, we vaccinate mice with a trivalent sortase-conjugate nanoparticle (scNP) vaccine containing the SARS-CoV-2, RsSHC014, and MERS-CoV receptor-binding domains (RBDs), which elicited live-virus neutralizing antibody responses. The trivalent RBD scNP elicited serum neutralizing antibodies against bat zoonotic Wuhan Institute of Virology-1 (WIV-1)-CoV, SARS-CoV, SARS-CoV-2 BA.1, SARS-CoV-2 XBB.1.5, and MERS-CoV live viruses. The monovalent SARS-CoV-2 RBD scNP vaccine only protected against Sarbecovirus challenge, whereas the trivalent RBD scNP vaccine protected against both Merbecovirus and Sarbecovirus challenge in highly pathogenic and lethal mouse models. This study demonstrates proof of concept for a single pan-sarbecovirus/pan-merbecovirus vaccine that protects against three highly pathogenic human coronaviruses spanning two betacoronavirus subgenera.
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Affiliation(s)
- David R Martinez
- Department of Immunobiology, Yale School of Medicine, New Haven, CT 06510, USA; Yale Center for Infection and Immunity, Yale School of Medicine, New Haven, CT 06510, USA.
| | - Alexandra Schäfer
- Department of Epidemiology, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
| | - Tyler D Gavitt
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC 27710, USA
| | - Michael L Mallory
- Department of Epidemiology, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
| | - Esther Lee
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC 27710, USA
| | - Nicholas J Catanzaro
- Department of Epidemiology, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
| | - Haiyan Chen
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC 27710, USA
| | - Kendra Gully
- Department of Epidemiology, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
| | - Trevor Scobey
- Department of Epidemiology, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
| | - Pooja Korategere
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC 27710, USA
| | - Alecia Brown
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC 27710, USA
| | - Lena Smith
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC 27710, USA
| | - Robert Parks
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC 27710, USA
| | - Maggie Barr
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC 27710, USA
| | - Amanda Newman
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC 27710, USA
| | - Cindy Bowman
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC 27710, USA
| | - John M Powers
- Department of Epidemiology, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
| | - Erik J Soderblom
- Proteomics and Metabolomics Core Facility, Duke University School of Medicine, Durham, NC 27710, USA
| | - Katayoun Mansouri
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC 27710, USA
| | - Robert J Edwards
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC 27710, USA
| | - Ralph S Baric
- Department of Epidemiology, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA.
| | - Barton F Haynes
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC 27710, USA.
| | - Kevin O Saunders
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC 27710, USA.
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16
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Tse LV, Hou YJ, McFadden E, Lee RE, Scobey TD, Leist SR, Martinez DR, Meganck RM, Schäfer A, Yount BL, Mascenik T, Powers JM, Randell SH, Zhang Y, Wang L, Mascola J, McLellan JS, Baric RS. A MERS-CoV antibody neutralizes a pre-emerging group 2c bat coronavirus. Sci Transl Med 2023; 15:eadg5567. [PMID: 37756379 DOI: 10.1126/scitranslmed.adg5567] [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: 01/05/2023] [Accepted: 08/25/2023] [Indexed: 09/29/2023]
Abstract
The repeated emergence of zoonotic human betacoronaviruses (β-CoVs) dictates the need for broad therapeutics and conserved epitope targets for countermeasure design. Middle East respiratory syndrome (MERS)-related coronaviruses (CoVs) remain a pressing concern for global health preparedness. Using metagenomic sequence data and CoV reverse genetics, we recovered a full-length wild-type MERS-like BtCoV/li/GD/2014-422 (BtCoV-422) recombinant virus, as well as two reporter viruses, and evaluated their human emergence potential and susceptibility to currently available countermeasures. Similar to MERS-CoV, BtCoV-422 efficiently used human and other mammalian dipeptidyl peptidase protein 4 (DPP4) proteins as entry receptors and an alternative DPP4-independent infection route in the presence of exogenous proteases. BtCoV-422 also replicated efficiently in primary human airway, lung endothelial, and fibroblast cells, although less efficiently than MERS-CoV. However, BtCoV-422 shows minor signs of infection in 288/330 human DPP4 transgenic mice. Several broad CoV antivirals, including nucleoside analogs and 3C-like/Mpro protease inhibitors, demonstrated potent inhibition against BtCoV-422 in vitro. Serum from mice that received a MERS-CoV mRNA vaccine showed reduced neutralizing activity against BtCoV-422. Although most MERS-CoV-neutralizing monoclonal antibodies (mAbs) had limited activity, one anti-MERS receptor binding domain mAb, JC57-11, neutralized BtCoV-422 potently. A cryo-electron microscopy structure of JC57-11 in complex with BtCoV-422 spike protein revealed the mechanism of cross-neutralization involving occlusion of the DPP4 binding site, highlighting its potential as a broadly neutralizing mAb for group 2c CoVs that use DPP4 as a receptor. These studies provide critical insights into MERS-like CoVs and provide candidates for countermeasure development.
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Affiliation(s)
- Longping V Tse
- Department of Molecular Microbiology and Immunology, Saint Louis University, St. Louis, MO 63014, USA
| | - Yixuan J Hou
- Department of Epidemiology, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
| | - Elizabeth McFadden
- Department of Molecular Biosciences, University of Texas at Austin, Austin, TX 78712, USA
| | - Rhianna E Lee
- Marsico Lung Institute, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
| | - Trevor D Scobey
- Department of Epidemiology, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
| | - Sarah R Leist
- Department of Epidemiology, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
| | - David R Martinez
- Department of Epidemiology, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
| | - Rita M Meganck
- Department of Molecular Microbiology and Immunology, Saint Louis University, St. Louis, MO 63014, USA
| | - Alexandra Schäfer
- Department of Epidemiology, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
| | - Boyd L Yount
- Department of Epidemiology, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
| | - Teresa Mascenik
- Marsico Lung Institute, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
| | - John M Powers
- Department of Epidemiology, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
| | - Scott H Randell
- Marsico Lung Institute, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
| | - Yi Zhang
- National Institute of Allergy and Infectious Disease, National Institute of Health, Bethesda, MD 20892, USA
| | - Lingshu Wang
- National Institute of Allergy and Infectious Disease, National Institute of Health, Bethesda, MD 20892, USA
| | - John Mascola
- National Institute of Allergy and Infectious Disease, National Institute of Health, Bethesda, MD 20892, USA
| | - Jason S McLellan
- Department of Molecular Biosciences, University of Texas at Austin, Austin, TX 78712, USA
| | - Ralph S Baric
- Department of Epidemiology, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
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17
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Ren H, Jia W, Xie Y, Yu M, Chen Y. Adjuvant physiochemistry and advanced nanotechnology for vaccine development. Chem Soc Rev 2023; 52:5172-5254. [PMID: 37462107 DOI: 10.1039/d2cs00848c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/01/2023]
Abstract
Vaccines comprising innovative adjuvants are rapidly reaching advanced translational stages, such as the authorized nanotechnology adjuvants in mRNA vaccines against COVID-19 worldwide, offering new strategies to effectively combat diseases threatening human health. Adjuvants are vital ingredients in vaccines, which can augment the degree, extensiveness, and longevity of antigen specific immune response. The advances in the modulation of physicochemical properties of nanoplatforms elevate the capability of adjuvants in initiating the innate immune system and adaptive immunity, offering immense potential for developing vaccines against hard-to-target infectious diseases and cancer. In this review, we provide an essential introduction of the basic principles of prophylactic and therapeutic vaccination, key roles of adjuvants in augmenting and shaping immunity to achieve desired outcomes and effectiveness, and the physiochemical properties and action mechanisms of clinically approved adjuvants for humans. We particularly focus on the preclinical and clinical progress of highly immunogenic emerging nanotechnology adjuvants formulated in vaccines for cancer treatment or infectious disease prevention. We deliberate on how the immune system can sense and respond to the physicochemical cues (e.g., chirality, deformability, solubility, topology, and chemical structures) of nanotechnology adjuvants incorporated in the vaccines. Finally, we propose possible strategies to accelerate the clinical implementation of nanotechnology adjuvanted vaccines, such as in-depth elucidation of nano-immuno interactions, antigen identification and optimization by the deployment of high-dimensional multiomics analysis approaches, encouraging close collaborations among scientists from different scientific disciplines and aggressive exploration of novel nanotechnologies.
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Affiliation(s)
- Hongze Ren
- Materdicine Lab, School of Life Sciences, Shanghai University, Shanghai, 200444, P. R. China.
- School of Medicine, Shanghai University, Shanghai, 200444, P. R. China
| | - Wencong Jia
- Materdicine Lab, School of Life Sciences, Shanghai University, Shanghai, 200444, P. R. China.
- School of Medicine, Shanghai University, Shanghai, 200444, P. R. China
| | - Yujie Xie
- Materdicine Lab, School of Life Sciences, Shanghai University, Shanghai, 200444, P. R. China.
- School of Medicine, Shanghai University, Shanghai, 200444, P. R. China
| | - Meihua Yu
- Materdicine Lab, School of Life Sciences, Shanghai University, Shanghai, 200444, P. R. China.
| | - Yu Chen
- Materdicine Lab, School of Life Sciences, Shanghai University, Shanghai, 200444, P. R. China.
- School of Medicine, Shanghai University, Shanghai, 200444, P. R. China
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18
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Pierre CN, Adams LE, Anasti K, Goodman D, Stanfield-Oakley S, Powers JM, Li D, Rountree W, Wang Y, Edwards RJ, Munir Alam S, Ferrari G, Tomaras GD, Haynes BF, Baric RS, Saunders KO. Non-neutralizing SARS-CoV-2 N-terminal domain antibodies protect mice against severe disease using Fc-mediated effector functions. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.07.25.550460. [PMID: 37546738 PMCID: PMC10402036 DOI: 10.1101/2023.07.25.550460] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/08/2023]
Abstract
Antibodies perform both neutralizing and non-neutralizing effector functions that protect against certain pathogen-induced diseases. A human antibody directed at the SARS-CoV-2 Spike N-terminal domain (NTD), DH1052, was recently shown to be non-neutralizing yet it protected mice and cynomolgus macaques from severe disease. The mechanisms of this non-neutralizing antibody-mediated protection are unknown. Here we show that Fc effector functions mediate non-neutralizing antibody (non-nAb) protection against SARS-CoV-2 MA10 viral challenge in mice. Though non-nAb infusion did not suppress infectious viral titers in the lung as potently as NTD neutralizing antibody (nAb) infusion, disease markers including gross lung discoloration were similar in nAb and non-nAb groups. Fc functional knockout substitutions abolished non-nAb protection and increased viral titers in the nAb group. Finally, Fc enhancement increased non-nAb protection relative to WT, supporting a positive association between Fc functionality and degree of protection in SARS-CoV-2 infection. This study demonstrates that non-nAbs can utilize Fc-mediated mechanisms to lower viral load and prevent lung damage due to coronavirus infection.
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Affiliation(s)
- Camille N Pierre
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC USA
- Duke University School of Medicine, Durham, NC USA
| | - Lily E Adams
- Department of Microbiology and Immunology, University of North Carolina at Chapel Hill, Chapel Hill, NC USA
| | - Kara Anasti
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC USA
- Department of Epidemiology, University of North Carolina at Chapel Hill, Chapel Hill, NC USA
| | - Derrick Goodman
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC USA
| | | | - John M Powers
- Department of Immunology, Duke University, Durham, NC USA
| | - Dapeng Li
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC USA
| | - Wes Rountree
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC USA
- Department of Medicine, Duke University School of Medicine, Durham, NC USA
| | - Yunfei Wang
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC USA
- Department of Medicine, Duke University School of Medicine, Durham, NC USA
| | - Robert J Edwards
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC USA
- Department of Medicine, Duke University School of Medicine, Durham, NC USA
| | - S Munir Alam
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC USA
- Department of Medicine, Duke University School of Medicine, Durham, NC USA
| | - Guido Ferrari
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC USA
- Department of Surgery, Duke University School of Medicine, Durham, NC USA
- Department of Molecular Genetics and Microbiology, Duke University, Durham, NC USA
| | - Georgia D Tomaras
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC USA
- Department of Surgery, Duke University School of Medicine, Durham, NC USA
- Department of Molecular Genetics and Microbiology, Duke University, Durham, NC USA
- Department of Immunology, Duke University, Durham, NC USA
| | - Barton F Haynes
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC USA
- Duke University School of Medicine, Durham, NC USA
- Department of Immunology, Duke University, Durham, NC USA
| | - Ralph S Baric
- Department of Epidemiology, University of North Carolina at Chapel Hill, Chapel Hill, NC USA
| | - Kevin O Saunders
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC USA
- Department of Surgery, Duke University School of Medicine, Durham, NC USA
- Department of Molecular Genetics and Microbiology, Duke University, Durham, NC USA
- Department of Immunology, Duke University, Durham, NC USA
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19
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Laera D, HogenEsch H, O'Hagan DT. Aluminum Adjuvants-'Back to the Future'. Pharmaceutics 2023; 15:1884. [PMID: 37514070 PMCID: PMC10383759 DOI: 10.3390/pharmaceutics15071884] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2023] [Revised: 06/24/2023] [Accepted: 06/26/2023] [Indexed: 07/30/2023] Open
Abstract
Aluminum-based adjuvants will continue to be a key component of currently approved and next generation vaccines, including important combination vaccines. The widespread use of aluminum adjuvants is due to their excellent safety profile, which has been established through the use of hundreds of millions of doses in humans over many years. In addition, they are inexpensive, readily available, and are well known and generally accepted by regulatory agencies. Moreover, they offer a very flexible platform, to which many vaccine components can be adsorbed, enabling the preparation of liquid formulations, which typically have a long shelf life under refrigerated conditions. Nevertheless, despite their extensive use, they are perceived as relatively 'weak' vaccine adjuvants. Hence, there have been many attempts to improve their performance, which typically involves co-delivery of immune potentiators, including Toll-like receptor (TLR) agonists. This approach has allowed for the development of improved aluminum adjuvants for inclusion in licensed vaccines against HPV, HBV, and COVID-19, with others likely to follow. This review summarizes the various aluminum salts that are used in vaccines and highlights how they are prepared. We focus on the analytical challenges that remain to allowing the creation of well-characterized formulations, particularly those involving multiple antigens. In addition, we highlight how aluminum is being used to create the next generation of improved adjuvants through the adsorption and delivery of various TLR agonists.
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Affiliation(s)
- Donatello Laera
- Technical Research & Development, Drug Product, GSK, 53100 Siena, Italy
- Global Manufacturing Division, Corporate Industrial Analytics, Chiesi Pharmaceuticals, 43122 Parma, Italy
| | - Harm HogenEsch
- Department of Comparative Pathobiology, College of Veterinary Medicine, Purdue University, West Lafayette, IN 47906, USA
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20
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Tan CW, Valkenburg SA, Poon LLM, Wang LF. Broad-spectrum pan-genus and pan-family virus vaccines. Cell Host Microbe 2023; 31:902-916. [PMID: 37321173 PMCID: PMC10265776 DOI: 10.1016/j.chom.2023.05.017] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2023] [Revised: 05/09/2023] [Accepted: 05/15/2023] [Indexed: 06/17/2023]
Abstract
Although the development and clinical application of SARS-CoV-2 vaccines during the COVID-19 pandemic demonstrated unprecedented vaccine success in a short time frame, it also revealed a limitation of current vaccines in their inability to provide broad-spectrum or universal protection against emerging variants. Broad-spectrum vaccines, therefore, remain a dream and challenge for vaccinology. This review will focus on current and future efforts in developing universal vaccines targeting different viruses at the genus and/or family levels, with a special focus on henipaviruses, influenza viruses, and coronaviruses. It is evident that strategies for developing broad-spectrum vaccines will be virus-genus or family specific, and it is almost impossible to adopt a universal approach for different viruses. On the other hand, efforts in developing broad-spectrum neutralizing monoclonal antibodies have been more successful and it is worth considering broad-spectrum antibody-mediated immunization, or "universal antibody vaccine," as an alternative approach for early intervention for future disease X outbreaks.
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Affiliation(s)
- Chee Wah Tan
- Duke-NUS Medical School, National University of Singapore, Singapore, Singapore
| | - Sophie A Valkenburg
- Department of Microbiology and Immunology, The University of Melbourne, at the Peter Doherty Institute for Infection and Immunity, Melbourne, VIC 3000, Australia; HKU-Pasteur Research Pole, School of Public Health, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong SAR, China
| | - Leo L M Poon
- HKU-Pasteur Research Pole, School of Public Health, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong SAR, China; Division of Public Health Laboratory Sciences, School of Public Health, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong SAR, China; Centre for Immunology & Infection, Hong Kong Science Park, Hong Kong SAR, China.
| | - Lin-Fa Wang
- Duke-NUS Medical School, National University of Singapore, Singapore, Singapore; Department of Microbiology and Immunology, The University of Melbourne, at the Peter Doherty Institute for Infection and Immunity, Melbourne, VIC 3000, Australia; Singhealth Duke-NUS Global Health Institute, Singapore, Singapore.
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21
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Liu X, Song H, Jiang J, Gao X, Yi Y, Shang Y, Li J, Li D, Zeng Z, Li Y, Zhang Z. Baculovirus-expressed self-assembling SARS-CoV-2 nanoparticle vaccines targeting the S protein induce protective immunity in mice. Process Biochem 2023; 129:200-208. [PMID: 37007452 PMCID: PMC10038678 DOI: 10.1016/j.procbio.2023.03.026] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/06/2022] [Revised: 03/21/2023] [Accepted: 03/23/2023] [Indexed: 03/30/2023]
Abstract
Spike (S) protein, a homotrimeric glycoprotein, is the most important antigen target for SARS-CoV-2 vaccines. A complete simulation of the advanced structure of this homotrimer during subunit vaccine development is the most likely method to improve its immunoprotective effects. In this study, preparation strategies for the S protein receptor-binding domain, S1 region, and ectodomain trimer nanoparticles were designed using ferritin nanoparticle self-assembly technology. The Bombyx mori baculovirus expression system was used to prepare three nanoparticle vaccines with high expression levels recorded in silkworms. The results in mice showed that the nanoparticle vaccine prepared using this strategy could induce immune responses when administered via both the subcutaneous administration and oral routes. Given the stability of these ferritin-based nanoparticle vaccines, an easy-to-use and low-cost oral immunization strategy can be employed in vaccine blind areas attributed to shortages of ultralow-temperature equipment and medical resources in underdeveloped areas. Oral vaccines are also promising candidates for limiting the spread of SARS-CoV-2 in domestic and farmed animals, especially in stray and wild animals.
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Affiliation(s)
- Xingjian Liu
- Biotechnology Research Institute, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Haozhi Song
- Biotechnology Research Institute, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Jianmin Jiang
- Key Laboratory of Vaccine, Prevention and control of Infectious disease of Zhejiang Province, Zhejiang Provincial Center For Disease Control And Prevention, Hangzhou, Zhejiang Province, China
| | - Xintao Gao
- Biotechnology Research Institute, Chinese Academy of Agricultural Sciences, Beijing, China
- Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Yongzhu Yi
- Biotechnology Research Institute, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Yuting Shang
- Biotechnology Research Institute, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Jialei Li
- Biotechnology Research Institute, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Dan Li
- Biotechnology Research Institute, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Zhen Zeng
- Biotechnology Research Institute, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Yinü Li
- Biotechnology Research Institute, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Zhifang Zhang
- Biotechnology Research Institute, Chinese Academy of Agricultural Sciences, Beijing, China
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22
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Martinez DR, Schafer A, Gavitt TD, Mallory ML, Lee E, Catanzaro NJ, Chen H, Gully K, Scobey T, Korategere P, Brown A, Smith L, Parks R, Barr M, Newman A, Bowman C, Powers JM, Mansouri K, Edwards RJ, Baric RS, Haynes BF, Saunders KO. Vaccine-mediated protection against merbecovirus and sarbecovirus challenge in mice. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.05.22.540829. [PMID: 37293083 PMCID: PMC10245799 DOI: 10.1101/2023.05.22.540829] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
The emergence of three distinct highly pathogenic human coronaviruses - SARS-CoV in 2003, MERS-CoV in 2012, and SARS-CoV-2 in 2019 - underlines the need to develop broadly active vaccines against the Merbecovirus and Sarbecovirus betacoronavirus subgenera. While SARS-CoV-2 vaccines are highly protective against severe COVID-19 disease, they do not protect against other sarbecoviruses or merbecoviruses. Here, we vaccinate mice with a trivalent sortase-conjugate nanoparticle (scNP) vaccine containing the SARS-CoV-2, RsSHC014, and MERS-CoV receptor binding domains (RBDs), which elicited live-virus neutralizing antibody responses and broad protection. Specifically, a monovalent SARS-CoV-2 RBD scNP vaccine only protected against sarbecovirus challenge, whereas the trivalent RBD scNP vaccine protected against both merbecovirus and sarbecovirus challenge in highly pathogenic and lethal mouse models. Moreover, the trivalent RBD scNP elicited serum neutralizing antibodies against SARS-CoV, MERS-CoV and SARS-CoV-2 BA.1 live viruses. Our findings show that a trivalent RBD nanoparticle vaccine displaying merbecovirus and sarbecovirus immunogens elicits immunity that broadly protects mice against disease. This study demonstrates proof-of-concept for a single pan-betacoronavirus vaccine to protect against three highly pathogenic human coronaviruses spanning two betacoronavirus subgenera.
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Affiliation(s)
- David R. Martinez
- Department of Immunobiology, Yale School of Medicine, New Haven, CT, 06510, USA
- Yale Center for Infection and Immunity, Yale School of Medicine, New Haven, CT, 06510, USA
| | - Alexandra Schafer
- Department of Epidemiology, University of North Carolina at Chapel Hill, Chapel Hill, NC, 27599, USA
| | - Tyler D. Gavitt
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC, 27710, USA
| | - Michael L. Mallory
- Department of Epidemiology, University of North Carolina at Chapel Hill, Chapel Hill, NC, 27599, USA
| | - Esther Lee
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC, 27710, USA
| | - Nicholas J. Catanzaro
- Department of Epidemiology, University of North Carolina at Chapel Hill, Chapel Hill, NC, 27599, USA
| | - Haiyan Chen
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC, 27710, USA
| | - Kendra Gully
- Department of Epidemiology, University of North Carolina at Chapel Hill, Chapel Hill, NC, 27599, USA
| | - Trevor Scobey
- Department of Epidemiology, University of North Carolina at Chapel Hill, Chapel Hill, NC, 27599, USA
| | - Pooja Korategere
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC, 27710, USA
| | - Alecia Brown
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC, 27710, USA
| | - Lena Smith
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC, 27710, USA
| | - Rob Parks
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC, 27710, USA
| | - Maggie Barr
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC, 27710, USA
| | - Amanda Newman
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC, 27710, USA
| | - Cindy Bowman
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC, 27710, USA
| | - John M. Powers
- Department of Epidemiology, University of North Carolina at Chapel Hill, Chapel Hill, NC, 27599, USA
| | - Katayoun Mansouri
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC, 27710, USA
| | - Robert J. Edwards
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC, 27710, USA
| | - Ralph S. Baric
- Department of Epidemiology, University of North Carolina at Chapel Hill, Chapel Hill, NC, 27599, USA
| | - Barton F. Haynes
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC, 27710, USA
| | - Kevin O. Saunders
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC, 27710, USA
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23
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Tapia D, Reyes-Sandoval A, Sanchez-Villamil JI. Protein-based Nanoparticle Vaccine Approaches Against Infectious Diseases. Arch Med Res 2023; 54:168-175. [PMID: 36894463 DOI: 10.1016/j.arcmed.2023.02.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2022] [Revised: 01/10/2023] [Accepted: 02/02/2023] [Indexed: 03/09/2023]
Abstract
The field of vaccine development has seen an increase in the number of rationally designed technologies that increase effectiveness against vaccine-resistant pathogens, while not compromising safety. Yet, there is still an urgent need to expand and further understand these platforms against complex pathogens that often evade protective responses. Nanoscale platforms have been at the center of new studies, especially in the wake of the coronavirus disease 2019 (COVID-19), with the aim of deploying safe and effective vaccines in a short time period. The intrinsic properties of protein-based nanoparticles, such as biocompatibility, flexible physicochemical characteristics, and variety have made them an attractive platform against different infectious disease agents. In the past decade, several studies have tested both lumazine synthase-, ferritin-, and albumin-based nanoplatforms against a wide range of complex pathogens in pre-clinical studies. Owed to their success in pre-clinical studies, several studies are undergoing human clinical trials or are near an initial phase. In this review we highlight the different protein-based platforms, mechanisms of synthesis, and effectiveness of these over the past decade. In addition, some challenges, and future directions to increase their effectiveness are also highlighted. Taken together, protein-based nanoscaffolds have proven to be an effective means to design rationally designed vaccines, especially against complex pathogens and emerging infectious diseases.
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Affiliation(s)
- Daniel Tapia
- The Ragon Institute of Massachusetts General Hospital, The Massachusetts Institute of Technology and Harvard University, Cambridge, MA, USA
| | - Arturo Reyes-Sandoval
- Instituto Politécnico Nacional, Escuela Nacional de Ciencias Biológicas, Laboratorio Nacional de Vacunología y Virus Tropicales, Ciudad de México, México
| | - Javier I Sanchez-Villamil
- Instituto Politécnico Nacional, Centro de Investigación en Ciencia Aplicada y Tecnología Avanzada, Unidad Morelos, Atlacholoaya, Morelos, México.
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24
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Addetia A, Piccoli L, Case JB, Park YJ, Beltramello M, Guarino B, Dang H, Pinto D, Scheaffer S, Sprouse K, Bassi J, Silacci-Fregni C, Muoio F, Dini M, Vincenzetti L, Acosta R, Johnson D, Subramanian S, Saliba C, Giurdanella M, Lombardo G, Leoni G, Culap K, McAlister C, Rajesh A, Dellota E, Zhou J, Farhat N, Bohan D, Noack J, Lempp FA, Cameroni E, Whitener B, Giannini O, Ceschi A, Ferrari P, Franzetti-Pellanda A, Biggiogero M, Garzoni C, Zappi S, Bernasconi L, Kim MJ, Schnell G, Czudnochowski N, Franko N, Logue JK, Yoshiyama C, Stewart C, Chu H, Schmid MA, Purcell LIA, Snell G, Lanzavecchia A, Diamond M, Corti D, Veesler D. Therapeutic and vaccine-induced cross-reactive antibodies with effector function against emerging Omicron variants. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.01.17.523798. [PMID: 36711984 PMCID: PMC9882201 DOI: 10.1101/2023.01.17.523798] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
Currently circulating SARS-CoV-2 variants acquired convergent mutations at receptor-binding domain (RBD) hot spots. Their impact on viral infection, transmission, and efficacy of vaccines and therapeutics remains poorly understood. Here, we demonstrate that recently emerged BQ.1.1. and XBB.1 variants bind ACE2 with high affinity and promote membrane fusion more efficiently than earlier Omicron variants. Structures of the BQ.1.1 and XBB.1 RBDs bound to human ACE2 and S309 Fab (sotrovimab parent) explain the altered ACE2 recognition and preserved antibody binding through conformational selection. We show that sotrovimab binds avidly to all Omicron variants, promotes Fc-dependent effector functions and protects mice challenged with BQ.1.1, the variant displaying the greatest loss of neutralization. Moreover, in several donors vaccine-elicited plasma antibodies cross-react with and trigger effector functions against Omicron variants despite reduced neutralizing activity. Cross-reactive RBD-directed human memory B cells remained dominant even after two exposures to Omicron spikes, underscoring persistent immune imprinting. Our findings suggest that this previously overlooked class of cross-reactive antibodies, exemplified by S309, may contribute to protection against disease caused by emerging variants through elicitation of effector functions.
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25
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Zhao G, Zhang Z, Ding Y, Hou J, Liu Y, Zhang M, Sui C, Wang L, Xu X, Gao X, Kou Z. A DNA Vaccine Encoding the Full-Length Spike Protein of Beta Variant (B.1.351) Elicited Broader Cross-Reactive Immune Responses against Other SARS-CoV-2 Variants. Vaccines (Basel) 2023; 11:513. [PMID: 36992097 PMCID: PMC10054764 DOI: 10.3390/vaccines11030513] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2022] [Revised: 02/16/2023] [Accepted: 02/21/2023] [Indexed: 02/25/2023] Open
Abstract
The SARS-CoV-2 pandemic remains an ongoing threat to global health with emerging variants, especially the Omicron variant and its sub-lineages. Although large-scale vaccination worldwide has delivered outstanding achievements for COVID-19 prevention, a declining effectiveness to a different extent in emerging SARS-CoV-2 variants was observed in the vaccinated population. Vaccines eliciting broader spectrum neutralizing antibodies and cellular immune responses are urgently needed and important. To achieve this goal, rational vaccine design, including antigen modeling, screening and combination, vaccine pipelines, and delivery, are keys to developing a next-generation COVID-19 vaccine. In this study, we designed several DNA constructs based on codon-optimized spike coding regions of several SARS-CoV-2 variants and analyzed their cross-reactive antibodies, including neutralizing antibodies, and cellular immune responses against several VOCs in C57BL/6 mice. The results revealed that different SARS-CoV-2 VOCs induced different cross-reactivity; pBeta, a DNA vaccine encoding the spike protein of the Beta variant, elicited broader cross-reactive neutralizing antibodies against other variants including the Omicron variants BA.1 and BA.4/5. This result demonstrates that the spike antigen from the Beta variant potentially serves as one of the antigens for multivalent vaccine design and development against variants of SARS-CoV-2.
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Affiliation(s)
- Gan Zhao
- Advaccine Biopharmaceutics (Suzhou) Co., Ltd., Suzhou 215000, China
| | | | | | | | | | | | | | | | | | | | - Zhihua Kou
- Advaccine Biopharmaceutics (Suzhou) Co., Ltd., Suzhou 215000, China
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26
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Pedenko B, Sulbaran G, Guilligay D, Effantin G, Weissenhorn W. SARS-CoV-2 S Glycoprotein Stabilization Strategies. Viruses 2023; 15:v15020558. [PMID: 36851772 PMCID: PMC9960574 DOI: 10.3390/v15020558] [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: 01/13/2023] [Revised: 02/06/2023] [Accepted: 02/14/2023] [Indexed: 02/22/2023] Open
Abstract
The SARS-CoV-2 pandemic has again shown that structural biology plays an important role in understanding biological mechanisms and exploiting structural data for therapeutic interventions. Notably, previous work on SARS-related glycoproteins has paved the way for the rapid structural determination of the SARS-CoV-2 S glycoprotein, which is the main target for neutralizing antibodies. Therefore, all vaccine approaches aimed to employ S as an immunogen to induce neutralizing antibodies. Like all enveloped virus glycoproteins, SARS-CoV-2 S native prefusion trimers are in a metastable conformation, which primes the glycoprotein for the entry process via membrane fusion. S-mediated entry is associated with major conformational changes in S, which can expose many off-target epitopes that deviate vaccination approaches from the major aim of inducing neutralizing antibodies, which mainly target the native prefusion trimer conformation. Here, we review the viral glycoprotein stabilization methods developed prior to SARS-CoV-2, and applied to SARS-CoV-2 S, in order to stabilize S in the prefusion conformation. The importance of structure-based approaches is highlighted by the benefits of employing stabilized S trimers versus non-stabilized S in vaccines with respect to their protective efficacy.
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Zhu Y, Zhu Y, Cao T, Liu X, Liu X, Yan Y, Shi Y, Wang JC. Ferritin-based nanomedicine for disease treatment. MEDICAL REVIEW (2021) 2023; 3:49-74. [PMID: 37724111 PMCID: PMC10471093 DOI: 10.1515/mr-2023-0001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/01/2023] [Accepted: 02/01/2023] [Indexed: 09/20/2023]
Abstract
Ferritin is an endogenous protein which is self-assembled by 24 subunits into a highly uniform nanocage structure. Due to the drug-encapsulating ability in the hollow inner cavity and abundant modification sites on the outer surface, ferritin nanocage has been demonstrated great potential to become a multi-functional nanomedicine platform. Its good biocompatibility, low toxicity and immunogenicity, intrinsic tumor-targeting ability, high stability, low cost and massive production, together make ferritin nanocage stand out from other nanocarriers. In this review, we summarized ferritin-based nanomedicine in field of disease diagnosis, treatment and prevention. The different types of drugs to be loaded in ferritin, as well as drug-loading methods were classified. The strategies for site-specific and non-specific functional modification of ferritin were investigated, then the application of ferritin for disease imaging, drug delivery and vaccine development were discussed. Finally, the challenges restricting the clinical translation of ferritin-based nanomedicines were analyzed.
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Affiliation(s)
- Yuanjun Zhu
- Beijing Key Laboratory of Molecular Pharmaceutics and New Drug Delivery Systems, State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Beijing, China
- Department of Molecular and Cellular Pharmacology, School of Pharmaceutical Sciences, Peking University, Beijing, China
| | - Yuefeng Zhu
- Beijing Key Laboratory of Molecular Pharmaceutics and New Drug Delivery Systems, State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Beijing, China
| | - Tianmiao Cao
- Beijing Key Laboratory of Molecular Pharmaceutics and New Drug Delivery Systems, State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Beijing, China
| | - Xiaoyu Liu
- Beijing Key Laboratory of Molecular Pharmaceutics and New Drug Delivery Systems, State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Beijing, China
| | - Xiaoyan Liu
- Beijing Key Laboratory of Molecular Pharmaceutics and New Drug Delivery Systems, State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Beijing, China
- Department of Molecular and Cellular Pharmacology, School of Pharmaceutical Sciences, Peking University, Beijing, China
| | - Yi Yan
- Beijing Key Laboratory of Molecular Pharmaceutics and New Drug Delivery Systems, State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Beijing, China
| | - Yujie Shi
- Beijing Key Laboratory of Molecular Pharmaceutics and New Drug Delivery Systems, State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Beijing, China
| | - Jian-Cheng Wang
- Beijing Key Laboratory of Molecular Pharmaceutics and New Drug Delivery Systems, State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Beijing, China
- Laboratory of Innovative Formulations and Pharmaceutical Excipients, Ningbo Institute of Marine Medicine, Peking University, Ningbo, Zhejiang Province, China
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Lewitus E, Bai H, Rolland M. Design of a pan-betacoronavirus vaccine candidate through a phylogenetically informed approach. SCIENCE ADVANCES 2023; 9:eabq4149. [PMID: 36652518 PMCID: PMC9848278 DOI: 10.1126/sciadv.abq4149] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/06/2022] [Accepted: 12/16/2022] [Indexed: 06/01/2023]
Abstract
Coronaviruses are a diverse family of viruses that crossed over into humans at least seven times, precipitating mild to catastrophic outcomes. The severe acute respiratory syndrome coronavirus 2 pandemic renewed efforts to identify strains with zoonotic potential and to develop pan-coronavirus vaccines. The analysis of 2181 coronavirus genomes (from 102 host species) confirmed the limited sequence conservation across genera (alpha-, beta-, delta-, and gammacoronavirus) and proteins. A phylogenetically informed pan-coronavirus vaccine was not feasible because of high genetic heterogeneity across genera. We focused on betacoronaviruses and identified nonhuman-infecting receptor binding domain (RBD) sequences that were more genetically similar to human coronaviruses than expected given their phylogenetic divergence. These human-like RBDs defined three phylogenetic clusters. A vaccine candidate based on a representative sequence for each cluster covers the diversity estimated to protect against existing and future human-infecting betacoronaviruses. Our findings emphasize the potential value of conceptualizing prophylaxis against zoonoses in terms of genetic, rather than species, diversity.
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Affiliation(s)
- Eric Lewitus
- U.S. Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, MD, USA
- Henry M. Jackson Foundation for the Advancement of Military Medicine Inc., Bethesda, MD, USA
| | - Hongjun Bai
- U.S. Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, MD, USA
- Henry M. Jackson Foundation for the Advancement of Military Medicine Inc., Bethesda, MD, USA
| | - Morgane Rolland
- U.S. Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, MD, USA
- Henry M. Jackson Foundation for the Advancement of Military Medicine Inc., Bethesda, MD, USA
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Braun MR, Martinez CI, Dora EG, Showalter LJ, Mercedes AR, Tucker SN. Mucosal immunization with Ad5-based vaccines protects Syrian hamsters from challenge with omicron and delta variants of SARS-CoV-2. Front Immunol 2023; 14:1086035. [PMID: 36911687 PMCID: PMC9992185 DOI: 10.3389/fimmu.2023.1086035] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2022] [Accepted: 02/08/2023] [Indexed: 02/24/2023] Open
Abstract
SARS-CoV-2 variant clades continue to circumvent antibody responses elicited by vaccination or infection. Current parenteral vaccination strategies reduce illness and hospitalization, yet do not significantly protect against infection by the more recent variants. It is thought that mucosal vaccination strategies may better protect against infection by inducing immunity at the sites of infection, blocking viral transmission more effectively, and significantly inhibiting the evolution of new variants of concern (VOCs). In this study, we evaluated the immunogenicity and efficacy of a mucosally-delivered, non-replicating, adenovirus type 5-vectored vaccine that expresses the spike (S) gene of Wuhan (rAd5-S-Wuhan), delta (rAd5-S-delta), or omicron (rAd5-S-omicron) SARS-CoV-2 VOCs. Hamsters were immunized with these vaccines intranasally prior to challenge with omicron or delta variants. Additionally, one group was vaccinated by oral gavage with rAd5-S-Wuhan prior to challenge with the delta variant. Both intranasal and oral administration of rAd5-S-Wuhan generated cross-reactive serum IgG and mucosal IgA to all variant spike and RBD proteins tested. rAd5-S-omicron and rAd5-S-delta additionally elicited cross-reactive antibodies, though rAd5-S-omicron had significantly lower binding antibody levels except against its matched antigens. Two weeks after the final vaccination, hamsters were challenged with a SARS-CoV-2 variant; omicron or delta. Whether matched to the challenge or with rAd5-S-Wuhan, all vaccines protected hamsters from weight loss and lung pathology caused by challenge and significantly reduced viral shedding compared to placebo. Vaccination with rAd5-S-Wuhan provided significant protection, although there was an improved reduction in shedding and disease pathology in groups protected by the matched VOC vaccines. Nevertheless, Wuhan-based vaccination elicited the most cross-reactive antibody responses generally. Overall, heterologous vaccination via mucosal routes may be advantageous for second-generation vaccines.
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Affiliation(s)
- Molly R Braun
- Research & Development, Vaxart, Inc., South San Francisco, CA, United States
| | - Clarissa I Martinez
- Research & Development, Vaxart, Inc., South San Francisco, CA, United States
| | - Emery G Dora
- Research & Development, Vaxart, Inc., South San Francisco, CA, United States
| | - Laura J Showalter
- Research & Development, Vaxart, Inc., South San Francisco, CA, United States
| | - Annette R Mercedes
- Research & Development, Vaxart, Inc., South San Francisco, CA, United States
| | - Sean N Tucker
- Research & Development, Vaxart, Inc., South San Francisco, CA, United States
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