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Kang H, Martinez MR, Aves KL, Okholm AK, Wan H, Chabot S, Malik T, Sander AF, Daniels R. Capsid virus-like particle display improves recombinant influenza neuraminidase antigen stability and immunogenicity in mice. iScience 2024; 27:110038. [PMID: 38883830 PMCID: PMC11179578 DOI: 10.1016/j.isci.2024.110038] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2023] [Revised: 03/20/2024] [Accepted: 05/16/2024] [Indexed: 06/18/2024] Open
Abstract
Supplementing influenza vaccines with additional protective antigens such as neuraminidase (NA) is a promising strategy for increasing the breadth of the immune response. Here, we improved the immunogenicity and stability of secreted recombinant NA (rNA) tetramers by covalently conjugating them onto the surface of AP205 capsid virus-like particles (cVLPs) using a Tag/Catcher ligation system. cVLP display increased the induction of IgG2a subclass anti-NA antibodies, which exhibited cross-reactivity with an antigenically distant homologous NA. It also reduced the single dose rNA amounts needed for protection against viral challenge in mice, demonstrating a dose-sparing effect. Moreover, effective cVLP-display was achieved across different NA subtypes, even when the conjugation was performed shortly before administration. Notably, the rNA-cVLP immunogenicity was retained upon mixing or co-administering with commercial vaccines. These results highlight the potential of this approach for bolstering the protective immune responses elicited by influenza vaccines.
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Affiliation(s)
- Hyeog Kang
- Division of Viral Products, Center for Biologics Evaluation and Research, Food and Drug Administration, Silver Spring, MD 20993, USA
| | - Mira Rakic Martinez
- Division of Viral Products, Center for Biologics Evaluation and Research, Food and Drug Administration, Silver Spring, MD 20993, USA
| | - Kara-Lee Aves
- Department of Immunology and Microbiology, University of Copenhagen, 2200 Copenhagen, Denmark
| | - Anna Kathrine Okholm
- Department of Immunology and Microbiology, University of Copenhagen, 2200 Copenhagen, Denmark
| | - Hongquan Wan
- Division of Viral Products, Center for Biologics Evaluation and Research, Food and Drug Administration, Silver Spring, MD 20993, USA
| | - Sylvie Chabot
- Division of Viral Products, Center for Biologics Evaluation and Research, Food and Drug Administration, Silver Spring, MD 20993, USA
| | - Tahir Malik
- Division of Viral Products, Center for Biologics Evaluation and Research, Food and Drug Administration, Silver Spring, MD 20993, USA
| | - Adam F Sander
- Department of Immunology and Microbiology, University of Copenhagen, 2200 Copenhagen, Denmark
- AdaptVac, Ole Maaløes Vej 3, 2200 Copenhagen, Denmark
| | - Robert Daniels
- Division of Viral Products, Center for Biologics Evaluation and Research, Food and Drug Administration, Silver Spring, MD 20993, USA
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Dong C, Ma Y, Zhu W, Wang Y, Kim J, Wei L, Gill HS, Kang SM, Wang BZ. Influenza immune imprinting synergizes PEI-HA/CpG nanoparticle vaccine protection against heterosubtypic infection in mice. Vaccine 2024; 42:111-119. [PMID: 38097456 PMCID: PMC10842698 DOI: 10.1016/j.vaccine.2023.12.039] [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: 08/14/2023] [Revised: 12/09/2023] [Accepted: 12/10/2023] [Indexed: 01/01/2024]
Abstract
The first influenza virus infection (imprinting) can lead to long-term immune memory and influence subsequent vaccinations and infections. Previously, we reported a polyethyleneimine (PEI)-Aichi hemagglutinin (HA)/CpG (PHC) nanoparticle with cross-protective potential against homologous and heterologous influenza strains. Here we studied how influenza immune imprinting influences the antibody responses to the PHC vaccination and the protection against heterosubtypic virus challenges. We found that pre-existing virus immunity can maintain or synergize the vaccine-induced antibody titers, depending on the imprinting virus HA phylogenetic group. The HA group 1 virus (PR8, H1N1)-imprinted mice displayed comparable antigen-specific antibody responses to those without imprinting post-PHC vaccination. In contrast, the group 2 virus (Phi, H3N2)-imprinted mice showed significantly more robust and balanced antibodies post-vaccination, conferring complete protection against body weight loss and lung inflammation upon heterosubtypic reassortant A/Shanghai/2/2013 (rSH, H7N9) virus challenge. Our findings suggest that influenza imprinting from the same HA phylogenetic group can synergize subsequent vaccination, conferring heterosubtypic protection.
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Affiliation(s)
- Chunhong Dong
- Center for Inflammation, Immunity & Infection, Georgia State University Institute for Biomedical Sciences, 100 Piedmont Ave SE, Atlanta, GA 30303, USA
| | - Yao Ma
- Center for Inflammation, Immunity & Infection, Georgia State University Institute for Biomedical Sciences, 100 Piedmont Ave SE, Atlanta, GA 30303, USA
| | - Wandi Zhu
- Center for Inflammation, Immunity & Infection, Georgia State University Institute for Biomedical Sciences, 100 Piedmont Ave SE, Atlanta, GA 30303, USA
| | - Ye Wang
- Center for Inflammation, Immunity & Infection, Georgia State University Institute for Biomedical Sciences, 100 Piedmont Ave SE, Atlanta, GA 30303, USA
| | - Joo Kim
- Center for Inflammation, Immunity & Infection, Georgia State University Institute for Biomedical Sciences, 100 Piedmont Ave SE, Atlanta, GA 30303, USA
| | - Lai Wei
- Center for Inflammation, Immunity & Infection, Georgia State University Institute for Biomedical Sciences, 100 Piedmont Ave SE, Atlanta, GA 30303, USA
| | - Harvinder Singh Gill
- Department of Chemical Engineering, Texas Tech University, Lubbock, TX 79409, USA
| | - Sang-Moo Kang
- Center for Inflammation, Immunity & Infection, Georgia State University Institute for Biomedical Sciences, 100 Piedmont Ave SE, Atlanta, GA 30303, USA
| | - Bao-Zhong Wang
- Center for Inflammation, Immunity & Infection, Georgia State University Institute for Biomedical Sciences, 100 Piedmont Ave SE, Atlanta, GA 30303, USA.
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Nagar N, Naidu G, Mishra A, Poluri KM. Protein-Based Nanocarriers and Nanotherapeutics for Infection and Inflammation. J Pharmacol Exp Ther 2024; 388:91-109. [PMID: 37699711 DOI: 10.1124/jpet.123.001673] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2023] [Revised: 08/04/2023] [Accepted: 08/21/2023] [Indexed: 09/14/2023] Open
Abstract
Infectious and inflammatory diseases are one of the leading causes of death globally. The status quo has become more prominent with the onset of the coronavirus disease 2019 (COVID-19) pandemic. To combat these potential crises, proteins have been proven as highly efficacious drugs, drug targets, and biomarkers. On the other hand, advancements in nanotechnology have aided efficient and sustained drug delivery due to their nano-dimension-acquired advantages. Combining both strategies together, the protein nanoplatforms are equipped with the advantageous intrinsic properties of proteins as well as nanoformulations, eloquently changing the field of nanomedicine. Proteins can act as carriers, therapeutics, diagnostics, and theranostics in their nanoform as fusion proteins or as composites with other organic/inorganic materials. Protein-based nanoplatforms have been extensively explored to target the major infectious and inflammatory diseases of clinical concern. The current review comprehensively deliberated proteins as nanocarriers for drugs and nanotherapeutics for inflammatory and infectious agents, with special emphasis on cancer and viral diseases. A plethora of proteins from diverse organisms have aided in the synthesis of protein-based nanoformulations. The current study specifically presented the proteins of human and pathogenic origin to dwell upon the field of protein nanotechnology, emphasizing their pharmacological advantages. Further, the successful clinical translation and current bottlenecks of the protein-based nanoformulations associated with the infection-inflammation paradigm have also been discussed comprehensively. SIGNIFICANCE STATEMENT: This review discusses the plethora of promising protein-based nanocarriers and nanotherapeutics explored for infectious and inflammatory ailments, with particular emphasis on protein nanoparticles of human and pathogenic origin with reference to the advantages, ADME (absorption, distribution, metabolism, and excretion parameters), and current bottlenecks in development of protein-based nanotherapeutic interventions.
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Affiliation(s)
- Nupur Nagar
- Department of Biosciences and Bioengineering (N.N., G.N., K.M.P.) and Centre for Nanotechnology (K.M.P.), Indian Institute of Technology Roorkee, Roorkee, Uttarakhand, India; and Cellular and Molecular Neurobiology Unit, Indian Institute of Technology Jodhpur, Jodhpur, Rajasthan, India (A.M.)
| | - Goutami Naidu
- Department of Biosciences and Bioengineering (N.N., G.N., K.M.P.) and Centre for Nanotechnology (K.M.P.), Indian Institute of Technology Roorkee, Roorkee, Uttarakhand, India; and Cellular and Molecular Neurobiology Unit, Indian Institute of Technology Jodhpur, Jodhpur, Rajasthan, India (A.M.)
| | - Amit Mishra
- Department of Biosciences and Bioengineering (N.N., G.N., K.M.P.) and Centre for Nanotechnology (K.M.P.), Indian Institute of Technology Roorkee, Roorkee, Uttarakhand, India; and Cellular and Molecular Neurobiology Unit, Indian Institute of Technology Jodhpur, Jodhpur, Rajasthan, India (A.M.)
| | - Krishna Mohan Poluri
- Department of Biosciences and Bioengineering (N.N., G.N., K.M.P.) and Centre for Nanotechnology (K.M.P.), Indian Institute of Technology Roorkee, Roorkee, Uttarakhand, India; and Cellular and Molecular Neurobiology Unit, Indian Institute of Technology Jodhpur, Jodhpur, Rajasthan, India (A.M.)
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Zhu W, Park J, Pho T, Wei L, Dong C, Kim J, Ma Y, Champion JA, Wang BZ. ISCOMs/MPLA-Adjuvanted SDAD Protein Nanoparticles Induce Improved Mucosal Immune Responses and Cross-Protection in Mice. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023; 19:e2301801. [PMID: 37162451 PMCID: PMC10524461 DOI: 10.1002/smll.202301801] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/02/2023] [Revised: 04/20/2023] [Indexed: 05/11/2023]
Abstract
The epidemics caused by the influenza virus are a serious threat to public health and the economy. Adding appropriate adjuvants to improve immunogenicity and finding effective mucosal vaccines to combat respiratory infection at the portal of virus entry are important strategies to boost protection. In this study, a novel type of core/shell protein nanoparticle consisting of influenza nucleoprotein (NP) as the core and NA1-M2e or NA2-M2e fusion proteins as the coating antigens by SDAD hetero-bifunctional crosslinking is exploited. Immune-stimulating complexes (ISCOMs)/monophosphoryl lipid A (MPLA) adjuvants further boost the NP/NA-M2e SDAD protein nanoparticle-induced immune responses when administered intramuscularly. The ISCOMs/MPLA-adjuvanted protein nanoparticles are delivered through the intranasal route to validate the application as mucosal vaccines. ISCOMs/MPLA-adjuvanted nanoparticles induce significantly strengthened antigen-specific antibody responses, cytokine-secreting splenocytes in the systemic compartment, and higher levels of antigen-specific IgA and IgG in the local mucosa. Meanwhile, significantly expanded lung resident memory (RM) T and B cells (TRM /BRM ) and alveolar macrophages population are observed in ISCOMs/MPLA-adjuvanted nanoparticle-immunized mice with a 100% survival rate after homogeneous and heterogeneous H3N2 viral challenges. Taken together, ISCOMs/MPLA-adjuvanted protein nanoparticles could improve strong systemic and mucosal immune responses conferring protection in different immunization routes.
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Affiliation(s)
- Wandi Zhu
- Center for Inflammation, Immunity & Infection, Georgia State University, Atlanta, GA 30303, USA
| | - Jaeyoung Park
- School of Chemical & Biomolecular Engineering, Georgia Institute of Technology, Atlanta, GA 30332, USA
| | - Thomas Pho
- School of Chemical & Biomolecular Engineering, Georgia Institute of Technology, Atlanta, GA 30332, USA
- Bioengineering Program, Georgia Institute of Technology, Atlanta, GA 30332, USA
| | - Lai Wei
- Center for Inflammation, Immunity & Infection, Georgia State University, Atlanta, GA 30303, USA
| | - Chunhong Dong
- Center for Inflammation, Immunity & Infection, Georgia State University, Atlanta, GA 30303, USA
| | - Joo Kim
- Center for Inflammation, Immunity & Infection, Georgia State University, Atlanta, GA 30303, USA
| | - Yao Ma
- Center for Inflammation, Immunity & Infection, Georgia State University, Atlanta, GA 30303, USA
| | - Julie A. Champion
- School of Chemical & Biomolecular Engineering, Georgia Institute of Technology, Atlanta, GA 30332, USA
- Bioengineering Program, Georgia Institute of Technology, Atlanta, GA 30332, USA
| | - Bao-Zhong Wang
- Center for Inflammation, Immunity & Infection, Georgia State University, Atlanta, GA 30303, USA
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