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Le NMT, So KK, Chun J, Kim DH. Expression of virus-like particles (VLPs) of foot-and-mouth disease virus (FMDV) using Saccharomyces cerevisiae. Appl Microbiol Biotechnol 2024; 108:81. [PMID: 38194136 PMCID: PMC10776484 DOI: 10.1007/s00253-023-12902-9] [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: 07/04/2023] [Revised: 09/19/2023] [Accepted: 09/30/2023] [Indexed: 01/10/2024]
Abstract
We engineered Saccharomyces cerevisiae to express structural proteins of foot-and-mouth disease virus (FMDV) and produce virus-like particles (VLPs). The gene, which encodes four structural capsid proteins (VP0 (VP4 and VP2), VP3, and VP1), followed by a translational "ribosomal skipping" sequence consisting of 2A and protease 3C, was codon-optimized and chemically synthesized. The cloned gene was used to transform S. cerevisiae 2805 strain. Western blot analysis revealed that the polyprotein consisting of VP0, VP3, and VP1 was processed into the discrete capsid proteins. Western blot analysis of 3C confirmed the presence of discrete 3C protein, suggesting that the 2A sequence functioned as a "ribosomal skipping" signal in the yeast for an internal re-initiation of 3C translation from a monocistronic transcript, thereby indicating polyprotein processing by the discrete 3C protease. Moreover, a band corresponding to only VP2, which was known to be non-enzymatically processed from VP0 to both VP4 and VP2 during viral assembly, further validated the assembly of processed capsid proteins into VLPs. Electron microscopy showed the presence of the characteristic icosahedral VLPs. Our results clearly demonstrate that S. cerevisiae processes the viral structural polyprotein using a viral 3C protease and the resulting viral capsid subunits are assembled into virion particles. KEY POINTS: • Ribosomal skipping by self-cleaving FMDV peptide in S. cerevisiae. • Proteolytic processing of a structural polyprotein from a monocistronic transcript. • Assembly of the processed viral capsid proteins into a virus-like particle.
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Affiliation(s)
- Ngoc My Tieu Le
- Department of Bioactive Material Sciences, Jeonbuk National University, Jeonju, 54896, Jeollabuk-do, Republic of Korea
| | - Kum-Kang So
- Institute for Molecular Biology and Genetics, Department of Molecular Biology, Jeonbuk National University, Jeonju, Jeollabuk-Do, Republic of Korea
| | - Jeesun Chun
- Institute for Molecular Biology and Genetics, Department of Molecular Biology, Jeonbuk National University, Jeonju, Jeollabuk-Do, Republic of Korea
| | - Dae-Hyuk Kim
- Department of Bioactive Material Sciences, Jeonbuk National University, Jeonju, 54896, Jeollabuk-do, Republic of Korea.
- Institute for Molecular Biology and Genetics, Department of Molecular Biology, Jeonbuk National University, Jeonju, Jeollabuk-Do, Republic of Korea.
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2
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Qiu H, Sun M, Wang N, Zhang S, Deng Z, Xu H, Yang H, Gu H, Fang W, He F. Efficacy comparison in cap VLPs of PCV2 and PCV3 as swine vaccine vehicle. Int J Biol Macromol 2024; 278:134955. [PMID: 39173309 DOI: 10.1016/j.ijbiomac.2024.134955] [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: 04/25/2024] [Revised: 08/20/2024] [Accepted: 08/20/2024] [Indexed: 08/24/2024]
Abstract
As one genotype of porcine circovirus (PCV) identified in 2016, PCV3 has brought huge hidden dangers to the global swine industry together with PCV2. Virus-like particles (VLPs) of capsid protein (Cap) of PCV2 serve as an alternative nano-antigen delivery strategy to efficiently induce antiviral immune response against PCV2 and/or other covalently displayed swine pathogens. However, the current understanding is limited on the capability of PCV3 as a nano-vaccine vehicle. Here we systematically compared the characteristics and the immunogenic efficacy of PCV3 Cap (Cap3) and PCV2 Cap (Cap2) in a VLP form. Cap3 VLPs presented higher internalization efficiency into cells and cytokines production compared to those of Cap2. Meanwhile, cross-reactive immunity between Cap3 VLPs and Cap2 VLPs was detected. Furthermore, to evaluate the function of Cap3 VLPs and Cap2 VLPs as vaccine vehicles carrying foreign proteins, the non-structural protein 6 of porcine reproductive and respiratory syndrome virus (PRRSV) was fused to C-terminus of Cap. Cap3-based chimeric particles induced a higher level of nsp6-specific immune response and PRRSV inhibition. Collectively, these self-assembling, Cap-based VLPs offer a compelling platform for enhancing the effectiveness of subunit vaccinations against newly emerging diseases and hold great promise for the development of Cap3-based chimeric subunit vaccines.
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Affiliation(s)
- He Qiu
- MOA Key Laboratory of Animal Virology, Zhejiang University Center for Veterinary Sciences, Hangzhou, China; Institute of Preventive Veterinary Medicine, College of Animal Sciences, Zhejiang University, Hangzhou 310058, China
| | - Meiqi Sun
- MOA Key Laboratory of Animal Virology, Zhejiang University Center for Veterinary Sciences, Hangzhou, China; Institute of Preventive Veterinary Medicine, College of Animal Sciences, Zhejiang University, Hangzhou 310058, China
| | - Nan Wang
- MOA Key Laboratory of Animal Virology, Zhejiang University Center for Veterinary Sciences, Hangzhou, China; Institute of Preventive Veterinary Medicine, College of Animal Sciences, Zhejiang University, Hangzhou 310058, China
| | - Shengkun Zhang
- MOA Key Laboratory of Animal Virology, Zhejiang University Center for Veterinary Sciences, Hangzhou, China; Institute of Preventive Veterinary Medicine, College of Animal Sciences, Zhejiang University, Hangzhou 310058, China
| | - Zhuofan Deng
- MOA Key Laboratory of Animal Virology, Zhejiang University Center for Veterinary Sciences, Hangzhou, China; Institute of Preventive Veterinary Medicine, College of Animal Sciences, Zhejiang University, Hangzhou 310058, China
| | - Huiling Xu
- Institute of Preventive Veterinary Medicine, College of Animal Sciences, Zhejiang University, Hangzhou 310058, China; ZJU-Xinchang Joint Innovation Centre (TianMu Laboratory), Gaochuang Hi-Tech Park, Xinchang, Zhejiang, China
| | - HaoTian Yang
- MOA Key Laboratory of Animal Virology, Zhejiang University Center for Veterinary Sciences, Hangzhou, China; Institute of Preventive Veterinary Medicine, College of Animal Sciences, Zhejiang University, Hangzhou 310058, China
| | - Han Gu
- MOA Key Laboratory of Animal Virology, Zhejiang University Center for Veterinary Sciences, Hangzhou, China; Institute of Preventive Veterinary Medicine, College of Animal Sciences, Zhejiang University, Hangzhou 310058, China
| | - Weihuan Fang
- MOA Key Laboratory of Animal Virology, Zhejiang University Center for Veterinary Sciences, Hangzhou, China; Institute of Preventive Veterinary Medicine, College of Animal Sciences, Zhejiang University, Hangzhou 310058, China; ZJU-Xinchang Joint Innovation Centre (TianMu Laboratory), Gaochuang Hi-Tech Park, Xinchang, Zhejiang, China
| | - Fang He
- MOA Key Laboratory of Animal Virology, Zhejiang University Center for Veterinary Sciences, Hangzhou, China; Institute of Preventive Veterinary Medicine, College of Animal Sciences, Zhejiang University, Hangzhou 310058, China; ZJU-Xinchang Joint Innovation Centre (TianMu Laboratory), Gaochuang Hi-Tech Park, Xinchang, Zhejiang, China.
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3
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Hong Q, Wang S, Wang X, Han W, Chen T, Liu Y, Cheng F, Qin S, Zhao S, Liu Q, Cong Y, Huang Z. Vaccine Potency and Structure of Yeast-Produced Polio Type 2 Stabilized Virus-like Particles. Vaccines (Basel) 2024; 12:1077. [PMID: 39340107 PMCID: PMC11435573 DOI: 10.3390/vaccines12091077] [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: 08/12/2024] [Revised: 09/11/2024] [Accepted: 09/15/2024] [Indexed: 09/30/2024] Open
Abstract
Poliovirus (PV) is on the brink of eradication due to global vaccination programs utilizing live-attenuated oral and inactivated polio vaccines. Recombinant PV virus-like particles (VLPs) are emerging as a safe next-generation vaccine candidate for the impending polio-free era. In this study, we investigate the production, antigenicity, thermostability, immunogenicity, and structures of VLPs derived from PV serotype 2 (PV2) wildtype strain and thermally stabilized mutant (wtVLP and sVLP, respectively). Both PV2 wtVLP and sVLP are efficiently produced in Pichia pastoris yeast. The PV2 sVLP displays higher levels of D-antigen and significantly enhanced thermostability than the wtVLP. Unlike the wtVLP, the sVLP elicits neutralizing antibodies in mice at levels comparable to those induced by inactivated polio vaccine. The addition of an aluminum hydroxide adjuvant to sVLP results in faster induction and a higher magnitude of neutralizing antibodies. Furthermore, our cryo-EM structural study of both sVLP and wtVLP reveals a native conformation for the sVLP and a non-native expanded conformation for the wtVLP. Our work not only validates the yeast-produced PV2 sVLP as a promising vaccine candidate with high production potential but also sheds light on the structural mechanisms that underpin the assembly and immunogenicity of the PV2 sVLP. These findings may expedite the development of sVLP-based PV vaccines.
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Affiliation(s)
- Qin Hong
- Key Laboratory of RNA Innovation, Science and Engineering, Shanghai Institute of Biochemistry and Cell Biology, Center for Excellence in Molecular Cell Science, Chinese Academy of Sciences, University of Chinese Academy of Sciences, Shanghai 200031, China
| | - Shuxia Wang
- Shanghai Institute of Infectious Disease and Biosecurity, Key Laboratory of Medical Molecular Virology (MOE/NHC/CAMS), Shanghai Medical College, Fudan University, Shanghai 200032, China
| | - Xiaoli Wang
- Huasong (Shanghai) Biomedical Technology Co., Ltd., Shanghai 201210, China
| | - Wenyu Han
- Huasong (Shanghai) Biomedical Technology Co., Ltd., Shanghai 201210, China
| | - Tian Chen
- Shanghai Institute of Infectious Disease and Biosecurity, Key Laboratory of Medical Molecular Virology (MOE/NHC/CAMS), Shanghai Medical College, Fudan University, Shanghai 200032, China
- Huasong (Shanghai) Biomedical Technology Co., Ltd., Shanghai 201210, China
| | - Yan Liu
- Huasong (Shanghai) Biomedical Technology Co., Ltd., Shanghai 201210, China
| | - Fei Cheng
- Huasong (Shanghai) Biomedical Technology Co., Ltd., Shanghai 201210, China
| | - Song Qin
- Huasong (Shanghai) Biomedical Technology Co., Ltd., Shanghai 201210, China
| | - Shengtao Zhao
- Huasong (Shanghai) Biomedical Technology Co., Ltd., Shanghai 201210, China
| | - Qingwei Liu
- Huasong (Shanghai) Biomedical Technology Co., Ltd., Shanghai 201210, China
| | - Yao Cong
- Key Laboratory of RNA Innovation, Science and Engineering, Shanghai Institute of Biochemistry and Cell Biology, Center for Excellence in Molecular Cell Science, Chinese Academy of Sciences, University of Chinese Academy of Sciences, Shanghai 200031, China
- Key Laboratory of Systems Health Science of Zhejiang Province, School of Life Science, Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, Hangzhou 310024, China
| | - Zhong Huang
- Shanghai Institute of Infectious Disease and Biosecurity, Key Laboratory of Medical Molecular Virology (MOE/NHC/CAMS), Shanghai Medical College, Fudan University, Shanghai 200032, China
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Rothen DA, Dutta SK, Krenger PS, Pardini A, Vogt ACS, Josi R, Lieknina I, Osterhaus ADME, Mohsen MO, Vogel M, Martina B, Tars K, Bachmann MF. Preclinical Development of a Novel Zika Virus-like Particle Vaccine in Combination with Tetravalent Dengue Virus-like Particle Vaccines. Vaccines (Basel) 2024; 12:1053. [PMID: 39340083 PMCID: PMC11435730 DOI: 10.3390/vaccines12091053] [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: 07/23/2024] [Revised: 09/10/2024] [Accepted: 09/11/2024] [Indexed: 09/30/2024] Open
Abstract
Declared as a Public Health Emergency in 2016 by the World Health Organization (WHO), the Zika virus (ZIKV) continues to cause outbreaks that are linked to increased neurological complications. Transmitted mainly by Aedes mosquitoes, the virus is spread mostly amongst several tropical regions with the potential of territorial expansion due to environmental and ecological changes. The ZIKV envelope protein's domain III, crucial for vaccine development due to its role in receptor binding and neutralizing antibody targeting, was integrated into sterically optimized AP205 VLPs to create an EDIII-based VLP vaccine. To increase the potential size of domains that can be accommodated by AP205, two AP205 monomers were fused into a dimer, resulting in 90 rather than 180 N-/C- termini amenable for fusion. EDIII displayed on AP205 VLPs has several immunological advantages, like a repetitive surface, a size of 20-200 nm (another PASP), and packaged bacterial RNA as adjuvants (a natural toll-like receptor 7/8 ligand). In this study, we evaluated a novel vaccine candidate for safety and immunogenicity in mice, demonstrating its ability to induce high-affinity, ZIKV-neutralizing antibodies without significant disease-enhancing properties. Due to the close genetical and structural characteristics, the same mosquito vectors, and the same ecological niche of the dengue virus and Zika virus, a vaccine covering all four Dengue viruses (DENV) serotypes as well as ZIKV would be of significant interest. We co-formulated the ZIKV vaccine with recently developed DENV vaccines based on the same AP205 VLP platform and tested the vaccine mix in a murine model. This combinatory vaccine effectively induced a strong humoral immune response and neutralized all five targeted viruses after two doses, with no significant antibody-dependent enhancement (ADE) observed. Overall, these findings highlight the potential of the AP205 VLP-based combinatory vaccine as a promising approach for providing broad protection against DENV and ZIKV infections. Further investigations and preclinical studies are required to advance this vaccine candidate toward potential use in human populations.
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Affiliation(s)
- Dominik A. Rothen
- Department of BioMedical Research, University of Bern, 3008 Bern, Switzerland
- Department of Immunology RIA, University Hospital Bern, 3010 Bern, Switzerland
- Graduate School of Cellular and Biomedical Sciences, University of Bern, 3012 Bern, Switzerland
| | | | - Pascal S. Krenger
- Department of BioMedical Research, University of Bern, 3008 Bern, Switzerland
- Department of Immunology RIA, University Hospital Bern, 3010 Bern, Switzerland
- Graduate School of Cellular and Biomedical Sciences, University of Bern, 3012 Bern, Switzerland
| | - Alessandro Pardini
- Department of BioMedical Research, University of Bern, 3008 Bern, Switzerland
- Department of Immunology RIA, University Hospital Bern, 3010 Bern, Switzerland
- Graduate School of Cellular and Biomedical Sciences, University of Bern, 3012 Bern, Switzerland
| | - Anne-Cathrine S. Vogt
- Department of BioMedical Research, University of Bern, 3008 Bern, Switzerland
- Department of Immunology RIA, University Hospital Bern, 3010 Bern, Switzerland
- Graduate School of Cellular and Biomedical Sciences, University of Bern, 3012 Bern, Switzerland
| | - Romano Josi
- Department of BioMedical Research, University of Bern, 3008 Bern, Switzerland
- Department of Immunology RIA, University Hospital Bern, 3010 Bern, Switzerland
- Graduate School of Cellular and Biomedical Sciences, University of Bern, 3012 Bern, Switzerland
| | - Ilva Lieknina
- Latvian Biomedical Research & Study Centre, Ratsupites iela 1, 1067 Riga, Latvia
| | - Albert D. M. E. Osterhaus
- Research Center for Emerging Infections and Zoonoses, University of Veterinary Medicine Hannover, 30559 Hannover, Germany
| | - Mona O. Mohsen
- Department of BioMedical Research, University of Bern, 3008 Bern, Switzerland
- Department of Immunology RIA, University Hospital Bern, 3010 Bern, Switzerland
| | - Monique Vogel
- Department of BioMedical Research, University of Bern, 3008 Bern, Switzerland
- Department of Immunology RIA, University Hospital Bern, 3010 Bern, Switzerland
| | - Byron Martina
- Artemis Bio-Services, 2629 JD Delft, The Netherlands
| | - Kaspars Tars
- Latvian Biomedical Research & Study Centre, Ratsupites iela 1, 1067 Riga, Latvia
| | - Martin F. Bachmann
- Department of BioMedical Research, University of Bern, 3008 Bern, Switzerland
- Department of Immunology RIA, University Hospital Bern, 3010 Bern, Switzerland
- Jenner Institute, Nuffield Department of Medicine, University of Oxford, Oxford OX3 7DQ, UK
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5
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Cao S, Ma D, Ji S, Zhou M, Zhu S. Self-Assembled Ferritin Nanoparticles for Delivery of Antigens and Development of Vaccines: From Structure and Property to Applications. Molecules 2024; 29:4221. [PMID: 39275069 PMCID: PMC11397193 DOI: 10.3390/molecules29174221] [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: 08/05/2024] [Revised: 08/31/2024] [Accepted: 09/04/2024] [Indexed: 09/16/2024] Open
Abstract
Ferritin, an iron storage protein, is ubiquitously distributed across diverse life forms, fulfilling crucial roles encompassing iron retention, conversion, orchestration of cellular iron metabolism, and safeguarding cells against oxidative harm. Noteworthy attributes of ferritin include its innate amenability to facile modification, scalable mass production, as well as exceptional stability and safety. In addition, ferritin boasts unique physicochemical properties, including pH responsiveness, resilience to elevated temperatures, and resistance to a myriad of denaturing agents. Therefore, ferritin serves as the substrate for creating nanomaterials typified by uniform particle dimensions and exceptional biocompatibility. Comprising 24 subunits, each ferritin nanocage demonstrates self-assembly capabilities, culminating in the formation of nanostructures akin to intricate cages. Recent years have witnessed the ascendance of ferritin-based self-assembled nanoparticles, owing to their distinctive physicochemical traits, which confer substantial advantages and wide-ranging applications within the biomedical domain. Ferritin is highly appealing as a carrier for delivering drug molecules and antigen proteins due to its distinctive structural and biochemical properties. This review aims to highlight recent advances in the use of self-assembled ferritin as a novel carrier for antigen delivery and vaccine development, discussing the molecular mechanisms underlying its action, and presenting it as a promising and effective strategy for the future of vaccine development.
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Affiliation(s)
- Shinuo Cao
- Jiangsu Key Laboratory for High-Tech Research and Development of Veterinary Biopharmaceuticals, Engineering Technology Research Center for Modern Animal Science and Novel Veterinary Pharmaceutic Development, Jiangsu Agri-Animal Husbandry Vocational College, Taizhou 225306, China
| | - Dongxue Ma
- Department of Veterinary Medicine, Agriculture College of Yanbian University, Yanji 133000, China
| | - Shengwei Ji
- Department of Veterinary Medicine, Agriculture College of Yanbian University, Yanji 133000, China
| | - Mo Zhou
- Jiangsu Key Laboratory for High-Tech Research and Development of Veterinary Biopharmaceuticals, Engineering Technology Research Center for Modern Animal Science and Novel Veterinary Pharmaceutic Development, Jiangsu Agri-Animal Husbandry Vocational College, Taizhou 225306, China
| | - Shanyuan Zhu
- Jiangsu Key Laboratory for High-Tech Research and Development of Veterinary Biopharmaceuticals, Engineering Technology Research Center for Modern Animal Science and Novel Veterinary Pharmaceutic Development, Jiangsu Agri-Animal Husbandry Vocational College, Taizhou 225306, China
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Cevik S, Biswas SB, Ghosh A, Biswas-Fiss EE. Virus-like particles as robust tools for functional assessment: Deciphering the pathogenicity of ABCA4 genetic variants of uncertain significance. J Biol Chem 2024; 300:107739. [PMID: 39222682 PMCID: PMC11474199 DOI: 10.1016/j.jbc.2024.107739] [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: 04/04/2024] [Revised: 08/12/2024] [Accepted: 08/21/2024] [Indexed: 09/04/2024] Open
Abstract
The retina-specific ABCA transporter, ABCA4, is essential for vision, and its genetic variants are associated with a wide range of inherited retinal degenerative diseases, leading to blindness. Of the 1630 identified missense variants in ABCA4, ∼50% are of unknown pathogenicity (variants of unknown significance, VUS). This genetic uncertainty presents three main challenges: (i) inability to predict disease-causing variants in relatives of inherited retinal degenerative disease patients with multiple ABCA4 mutations; (ii) limitations in developing variant-specific treatments; and (iii) difficulty in using these variants for future disease prediction, affecting patients' life-planning and clinical trial participation. To unravel the clinical significance of ABCA4 genetic variants at the level of protein function, we have developed a virus-like particle-based system that expresses the ABCA4 protein and its variants. We validated the efficacy of this system in the enzymatic characterization (ATPase activity) of VLPs harboring ABCA4 and two variants of established pathogenicity: p.N965S and p.C1488R. Our results were consistent with previous reports and clinical phenotypes. We also applied this platform to characterize the VUS p.Y1779F and observed a functional impairment, suggesting a potential pathogenic impact. This approach offers an efficient, high-throughput method for ABCA4 VUS characterization. Our research points to the significant promise of the VLP-based system in the functional analysis of membrane proteins, offering important perspectives on the disease-causing potential of genetic variants and shedding light on genetic conditions involving such proteins.
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Affiliation(s)
- Senem Cevik
- Department of Medical and Molecular Sciences, College of Health Sciences, University of Delaware, Newark, Delaware, USA; Ammon Pinizzotto Biopharmaceutical Innovation Center, University of Delaware, Newark, Delaware, USA
| | - Subhasis B Biswas
- Department of Medical and Molecular Sciences, College of Health Sciences, University of Delaware, Newark, Delaware, USA; Ammon Pinizzotto Biopharmaceutical Innovation Center, University of Delaware, Newark, Delaware, USA
| | - Arit Ghosh
- Delaware Biotechnology Institute, UD Center for Bioimaging, University of Delaware, Newark, Delaware, USA
| | - Esther E Biswas-Fiss
- Department of Medical and Molecular Sciences, College of Health Sciences, University of Delaware, Newark, Delaware, USA; Ammon Pinizzotto Biopharmaceutical Innovation Center, University of Delaware, Newark, Delaware, USA.
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Zhang YN, Gomes KB, Lee YZ, Ward G, Xie B, Auclair S, He L, Zhu J. A Single-Component Multilayered Self-Assembling Protein Nanoparticle Vaccine Based on Extracellular Domains of Matrix Protein 2 against Both Influenza A and B. Vaccines (Basel) 2024; 12:975. [PMID: 39340007 PMCID: PMC11435909 DOI: 10.3390/vaccines12090975] [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: 07/04/2024] [Revised: 08/14/2024] [Accepted: 08/24/2024] [Indexed: 09/30/2024] Open
Abstract
The development of an effective and broadly protective influenza vaccine against circulating and emerging strains remains elusive. In this study, we evaluated a potentially universal influenza vaccine based on single-component self-assembling protein nanoparticles (1c-SApNPs) presenting the conserved matrix protein 2 ectodomain (M2e) from influenza A and B viruses (IAV and IBV, respectively). We previously designed a tandem antigen comprising three IAV M2e domains of human, avian/swine, and human/swine origins (termed M2ex3). The M2ex3-presenting 1c-SApNPs conferred complete protection in mice against sequential lethal challenges with H1N1 and H3N2. To broaden this protection to cover IBVs, we designed a series of antigens incorporating different arrangements of three IAV M2e domains and three copies of IBV M2e. Tandem repeats of IAV and IBV (termed influenza A-B) M2e arrayed on the I3-01v9a 60-mer 1c-SApNP, when formulated with an oil-in-water emulsion adjuvant, generated greater M2e-specific immunogenicity and protective efficacy than the soluble influenza A-B M2e trimer, indicated by higher survival rates and reduced weight loss post-challenge. Importantly, one of the influenza A-B M2e SApNP constructs elicited 100% protection against a lethal influenza A/Puerto Rico/8/1934 (H1N1) challenge in mice and 70% protection against a lethal influenza B/Florida/4/2006 (Yamagata lineage) challenge, the latter of which has not been reported in the literature to date. Our study thus provides a promising M2e-based single-component universal vaccine candidate against the two major types of influenza virus circulating in humans.
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Affiliation(s)
- Yi-Nan Zhang
- Department of Integrative Structural and Computational Biology, The Scripps Research Institute, La Jolla, CA 92037, USA; (Y.-N.Z.); (Y.-Z.L.); (G.W.); (B.X.); (S.A.); (L.H.)
| | | | - Yi-Zong Lee
- Department of Integrative Structural and Computational Biology, The Scripps Research Institute, La Jolla, CA 92037, USA; (Y.-N.Z.); (Y.-Z.L.); (G.W.); (B.X.); (S.A.); (L.H.)
| | - Garrett Ward
- Department of Integrative Structural and Computational Biology, The Scripps Research Institute, La Jolla, CA 92037, USA; (Y.-N.Z.); (Y.-Z.L.); (G.W.); (B.X.); (S.A.); (L.H.)
| | - Bomin Xie
- Department of Integrative Structural and Computational Biology, The Scripps Research Institute, La Jolla, CA 92037, USA; (Y.-N.Z.); (Y.-Z.L.); (G.W.); (B.X.); (S.A.); (L.H.)
| | - Sarah Auclair
- Department of Integrative Structural and Computational Biology, The Scripps Research Institute, La Jolla, CA 92037, USA; (Y.-N.Z.); (Y.-Z.L.); (G.W.); (B.X.); (S.A.); (L.H.)
| | - Linling He
- Department of Integrative Structural and Computational Biology, The Scripps Research Institute, La Jolla, CA 92037, USA; (Y.-N.Z.); (Y.-Z.L.); (G.W.); (B.X.); (S.A.); (L.H.)
| | - Jiang Zhu
- Department of Integrative Structural and Computational Biology, The Scripps Research Institute, La Jolla, CA 92037, USA; (Y.-N.Z.); (Y.-Z.L.); (G.W.); (B.X.); (S.A.); (L.H.)
- Uvax Bio, LLC, Newark, DE 19702, USA;
- Department of Immunology and Microbiology, The Scripps Research Institute, La Jolla, CA 92037, USA
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8
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Henríquez R, Muñoz-Barroso I. Viral vector- and virus-like particle-based vaccines against infectious diseases: A minireview. Heliyon 2024; 10:e34927. [PMID: 39144987 PMCID: PMC11320483 DOI: 10.1016/j.heliyon.2024.e34927] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2024] [Revised: 06/28/2024] [Accepted: 07/18/2024] [Indexed: 08/16/2024] Open
Abstract
To overcome the limitations of conventional vaccines, new platforms for vaccine design have emerged such as those based on viral vectors and virus-like particles (VLPs). Viral vector vaccines are highly efficient and the onset of protection is quick. Many recombinant vaccine candidates for humans are based on viruses belonging to different families such as Adenoviridae, Retroviridae, Paramyxoviridae, Rhabdoviridae, and Parvoviridae. Also, the first viral vector vaccine licensed for human vaccination was the Japanese encephalitis virus vaccine. Since then, several viral vectors have been approved for vaccination against the viruses of Lassa fever, Ebola, hepatitis B, hepatitis E, SARS-CoV-2, and malaria. VLPs are nanoparticles that mimic viral particles formed from the self-assembly of structural proteins and VLP-based vaccines against hepatitis B and E viruses, human papillomavirus, and malaria have been commercialized. As evidenced by the accelerated production of vaccines against COVID-19, these new approaches are important tools for vaccinology and for generating rapid responses against pathogens and emerging pandemic threats.
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Affiliation(s)
- Ruth Henríquez
- Departamento de Bioquímica y Biología Molecular, Universidad de Salamanca, Edificio Departamental Lab.106. Plaza Doctores de la Reina S/n, 37007, Salamanca, Spain
| | - Isabel Muñoz-Barroso
- Departamento de Bioquímica y Biología Molecular, Universidad de Salamanca, Edificio Departamental Lab.106. Plaza Doctores de la Reina S/n, 37007, Salamanca, Spain
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9
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Nguyen HT, Falzarano D, Gerdts V, Liu Q. Construction and immunogenicity of SARS-CoV-2 virus-like particle expressed by recombinant baculovirus BacMam. Microbiol Spectr 2024; 12:e0095924. [PMID: 38916311 PMCID: PMC11302303 DOI: 10.1128/spectrum.00959-24] [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: 04/15/2024] [Accepted: 05/13/2024] [Indexed: 06/26/2024] Open
Abstract
The pandemic severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) continues to evolve to give rise to variants of concern that can escape vaccine-induced immunity. As such, more effective vaccines are urgently needed. In this study, we evaluated virus-like particle (VLP) as a vaccine platform for SARS-CoV-2. The spike, envelope, and membrane proteins of the SARS-CoV-2 Wuhan strain were expressed by a single recombinant baculovirus BacMam and assembled into VLPs in cell culture. The morphology and size of the SARS-CoV-2 VLP as shown by transmission electron microscopy were similar to the authentic SARS-CoV-2 virus particle. In a mouse trial, two intramuscular immunizations of the VLP BacMam with no adjuvant elicited spike-specific binding antibodies in both sera and bronchoalveolar lavage fluids. Importantly, BacMam VLP-vaccinated mouse sera showed neutralization activity against SARS-CoV-2 spike pseudotyped lentivirus. Our results indicated that the SARS-CoV-2 VLP BacMam stimulated spike-specific immune responses with neutralization activity. IMPORTANCE Although existing vaccines have significantly mitigated the impact of the COVID-19 pandemic, none of the vaccines can induce sterilizing immunity. The spike protein is the main component of all approved vaccines for severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) due primarily to its ability to induce neutralizing antibodies. The conformation of the spike protein in the vaccine formulation should be critical for the efficacy of a vaccine. By way of closely resembling the authentic virions, virus-like particles (VLPs) should render the spike protein in its natural conformation. To this end, we utilized the baculovirus vector, BacMam, to express virus-like particles consisting of the spike, membrane, and envelope proteins of SARS-CoV-2. We demonstrated the immunogenicity of our VLP vaccine with neutralizing activity. Our data warrant further evaluation of the virus-like particles as a vaccine candidate in protecting against virus challenges.
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MESH Headings
- Animals
- SARS-CoV-2/immunology
- SARS-CoV-2/genetics
- Vaccines, Virus-Like Particle/immunology
- Vaccines, Virus-Like Particle/genetics
- Vaccines, Virus-Like Particle/administration & dosage
- Baculoviridae/genetics
- Baculoviridae/immunology
- Mice
- Antibodies, Viral/immunology
- Antibodies, Viral/blood
- Spike Glycoprotein, Coronavirus/immunology
- Spike Glycoprotein, Coronavirus/genetics
- COVID-19 Vaccines/immunology
- COVID-19 Vaccines/administration & dosage
- COVID-19/prevention & control
- COVID-19/immunology
- Antibodies, Neutralizing/immunology
- Antibodies, Neutralizing/blood
- Humans
- Mice, Inbred BALB C
- Female
- Immunogenicity, Vaccine
- Coronavirus Envelope Proteins/immunology
- Coronavirus Envelope Proteins/genetics
- Coronavirus M Proteins
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Affiliation(s)
- Hai Trong Nguyen
- Vaccine and Infectious Disease Organization (VIDO), University of Saskatchewan, Saskatoon, Saskatchewan, Canada
| | - Darryl Falzarano
- Vaccine and Infectious Disease Organization (VIDO), University of Saskatchewan, Saskatoon, Saskatchewan, Canada
- Department of Veterinary Microbiology, Western College of Veterinary Medicine, University of Saskatchewan, Saskatoon, Saskatchewan, Canada
| | - Volker Gerdts
- Vaccine and Infectious Disease Organization (VIDO), University of Saskatchewan, Saskatoon, Saskatchewan, Canada
- Department of Veterinary Microbiology, Western College of Veterinary Medicine, University of Saskatchewan, Saskatoon, Saskatchewan, Canada
| | - Qiang Liu
- Vaccine and Infectious Disease Organization (VIDO), University of Saskatchewan, Saskatoon, Saskatchewan, Canada
- Department of Veterinary Microbiology, Western College of Veterinary Medicine, University of Saskatchewan, Saskatoon, Saskatchewan, Canada
- Vaccinology and Immunotherapeutics, School of Public Health, University of Saskatchewan, Saskatoon, Saskatchewan, Canada
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10
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Rothen DA, Dutta SK, Krenger PS, Vogt ACS, Lieknina I, Sobczak JM, Osterhaus ADME, Mohsen MO, Vogel M, Martina B, Tars K, Bachmann MF. Preclinical Evaluation of Novel Sterically Optimized VLP-Based Vaccines against All Four DENV Serotypes. Vaccines (Basel) 2024; 12:874. [PMID: 39204000 PMCID: PMC11359203 DOI: 10.3390/vaccines12080874] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2024] [Revised: 07/25/2024] [Accepted: 07/26/2024] [Indexed: 09/03/2024] Open
Abstract
Over the past few decades, dengue fever has emerged as a significant global health threat, affecting tropical and moderate climate regions. Current vaccines have practical limitations, there is a strong need for safer, more effective options. This study introduces novel vaccine candidates covering all four dengue virus (DENV) serotypes using virus-like particles (VLPs), a proven vaccine platform. The dengue virus envelope protein domain III (EDIII), the primary target of DENV-neutralizing antibodies, was either genetically fused or chemically coupled to bacteriophage-derived AP205-VLPs. To facilitate the incorporation of the large EDIII domain, AP205 monomers were dimerized, resulting in sterically optimized VLPs with 90 N- and C-termini. These vaccines induced high-affinity/avidity antibody titers in mice, and confirmed their protective potential by neutralizing different DENV serotypes in vitro. Administration of a tetravalent vaccine induced high neutralizing titers against all four serotypes without producing enhancing antibodies, at least not against DENV2. In conclusion, the vaccine candidates, especially when administered in a combined fashion, exhibit intriguing properties for potential use in the field, and exploring the possibility of conducting a preclinical challenge model to verify protection would be a logical next step.
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Affiliation(s)
- Dominik A. Rothen
- Department of BioMedical Research, University of Bern, 3008 Bern, Switzerland (M.F.B.)
- Department of Immunology RIA, University Hospital Bern, 3010 Bern, Switzerland
- Graduate School of Cellular and Biomedical Sciences, University of Bern, 3012 Bern, Switzerland
| | | | - Pascal S. Krenger
- Department of BioMedical Research, University of Bern, 3008 Bern, Switzerland (M.F.B.)
- Department of Immunology RIA, University Hospital Bern, 3010 Bern, Switzerland
- Graduate School of Cellular and Biomedical Sciences, University of Bern, 3012 Bern, Switzerland
| | - Anne-Cathrine S. Vogt
- Department of BioMedical Research, University of Bern, 3008 Bern, Switzerland (M.F.B.)
- Department of Immunology RIA, University Hospital Bern, 3010 Bern, Switzerland
- Graduate School of Cellular and Biomedical Sciences, University of Bern, 3012 Bern, Switzerland
| | - Ilva Lieknina
- Latvian Biomedical Research & Study Centre, Ratsupites iela 1, LV 1067 Riga, Latvia
| | - Jan M. Sobczak
- Department of BioMedical Research, University of Bern, 3008 Bern, Switzerland (M.F.B.)
- Department of Immunology RIA, University Hospital Bern, 3010 Bern, Switzerland
- Graduate School of Cellular and Biomedical Sciences, University of Bern, 3012 Bern, Switzerland
| | - Albert D. M. E. Osterhaus
- Research Center for Emerging Infections and Zoonoses, University of Veterinary Medicine Hannover, 30559 Hannover, Germany
| | - Mona O. Mohsen
- Department of BioMedical Research, University of Bern, 3008 Bern, Switzerland (M.F.B.)
- Department of Immunology RIA, University Hospital Bern, 3010 Bern, Switzerland
| | - Monique Vogel
- Department of BioMedical Research, University of Bern, 3008 Bern, Switzerland (M.F.B.)
- Department of Immunology RIA, University Hospital Bern, 3010 Bern, Switzerland
| | | | - Kaspars Tars
- Latvian Biomedical Research & Study Centre, Ratsupites iela 1, LV 1067 Riga, Latvia
| | - Martin F. Bachmann
- Department of BioMedical Research, University of Bern, 3008 Bern, Switzerland (M.F.B.)
- Department of Immunology RIA, University Hospital Bern, 3010 Bern, Switzerland
- Jenner Institute, Nuffield Department of Medicine, University of Oxford, Oxford OX3 7DQ, UK
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11
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Josi R, Pardini A, Haindrich A, Marar SV, Vogt ACS, Gessler A, Rentsch D, Cherubini P, Bachmann MF, Mohsen MO. Green Routes: Exploring Protein-Based Virus-like Nanoparticle Transport and Immune Activation in Nicotiana benthamiana for Biotechnological Applications. Vaccines (Basel) 2024; 12:831. [PMID: 39203957 PMCID: PMC11358932 DOI: 10.3390/vaccines12080831] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2024] [Revised: 07/18/2024] [Accepted: 07/19/2024] [Indexed: 09/03/2024] Open
Abstract
Viral, bacterial, fungal, and nematode infections cause significant agricultural losses, with limited treatment options, necessitating novel approaches to enhance plant defense systems and protection against pathogens. Virus-like nanoparticles (VLPs), extensively used in animal and human therapies (e.g., vaccines and immune enhancers), hold potential for novel agricultural solutions and advancing plant nanotechnology. This study employed various methodologies, including VLP production, confocal microscopy, and real-time qPCR. Our findings demonstrated the presence of 30 nm Qβ-VLPs, fluorescently labeled, within the intercellular space of Nicotiana benthamiana leaves one hour post-infiltration. Furthermore, infiltration with Qβ-VLPs led to an upregulation of key defense genes (NbPR1a, NbPR5, NbNPR, NbERF1, NbMYC2, and NbLRR2) in treated plants. Using RT-qPCR, a significant increase in the relative expression levels of defense genes was observed, with sustained high levels of NbERF1 and NbLRR2 even after 24 h. These findings suggest that Qβ-VLPs effectively upregulate genes crucial for pathogen defense in N. benthamiana, initiating PAMP-triggered immunity and launching signaling cascades that enhance defense mechanisms. This innovative application of VLPs to activate plant defense programs advances plant nanobiotechnology, offering new agricultural solutions.
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Affiliation(s)
- Romano Josi
- Department for BioMedical Research, University of Bern, 3008 Bern, Switzerland (M.O.M.)
- Department of Rheumatology and Immunology, University Hospital of Bern, 3010 Bern, Switzerland
- Graduate School for Cellular and Biomedical Sciences (GCB), 3012 Bern, Switzerland
| | - Alessandro Pardini
- Department for BioMedical Research, University of Bern, 3008 Bern, Switzerland (M.O.M.)
- Department of Rheumatology and Immunology, University Hospital of Bern, 3010 Bern, Switzerland
- Graduate School for Cellular and Biomedical Sciences (GCB), 3012 Bern, Switzerland
| | | | - Sanjana V. Marar
- Department for BioMedical Research, University of Bern, 3008 Bern, Switzerland (M.O.M.)
- Department of Rheumatology and Immunology, University Hospital of Bern, 3010 Bern, Switzerland
| | - Anne-Cathrine S. Vogt
- Department for BioMedical Research, University of Bern, 3008 Bern, Switzerland (M.O.M.)
- Department of Rheumatology and Immunology, University Hospital of Bern, 3010 Bern, Switzerland
- Graduate School for Cellular and Biomedical Sciences (GCB), 3012 Bern, Switzerland
| | - Arthur Gessler
- WSL, Swiss Federal Institute for Forest Snow and Landscape Research, 8903 Birmensdorf, Switzerland
- Institute of Terrestrial Ecosystems, ETH Zürich, 8092 Zürich, Switzerland
| | - Doris Rentsch
- Institute of Plant Sciences, University of Bern, 3013 Bern, Switzerland
| | - Paolo Cherubini
- WSL, Swiss Federal Institute for Forest Snow and Landscape Research, 8903 Birmensdorf, Switzerland
- Deptartment of Forest and Conservation Sciences, University of British Columbia, Vancouver, BC V6T 1Z2, Canada
| | - Martin F. Bachmann
- Department for BioMedical Research, University of Bern, 3008 Bern, Switzerland (M.O.M.)
- Department of Rheumatology and Immunology, University Hospital of Bern, 3010 Bern, Switzerland
| | - Mona O. Mohsen
- Department for BioMedical Research, University of Bern, 3008 Bern, Switzerland (M.O.M.)
- Department of Rheumatology and Immunology, University Hospital of Bern, 3010 Bern, Switzerland
- Tajarub Research & Development, Doha P.O. Box 12627, Qatar
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12
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Ibañez-Escribano A, Gomez-Muñoz MT, Mateo M, Fonseca-Berzal C, Gomez-Lucia E, Perez RG, Alunda JM, Carrion J. Microbial Matryoshka: Addressing the Relationship between Pathogenic Flagellated Protozoans and Their RNA Viral Endosymbionts (Family Totiviridae). Vet Sci 2024; 11:321. [PMID: 39058005 PMCID: PMC11281412 DOI: 10.3390/vetsci11070321] [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: 06/07/2024] [Revised: 07/12/2024] [Accepted: 07/14/2024] [Indexed: 07/28/2024] Open
Abstract
Three genera of viruses of the family Totiviridae establish endosymbiotic associations with flagellated protozoa responsible for parasitic diseases of great impact in the context of One Health. Giardiavirus, Trichomonasvirus, and Leishmaniavirus infect the protozoa Giardia sp., Trichomonas vaginalis, and Leishmania sp., respectively. In the present work, we review the characteristics of the endosymbiotic relationships established, the advantages, and the consequences caused in mammalian hosts. Among the common characteristics of these double-stranded RNA viruses are that they do not integrate into the host genome, do not follow a lytic cycle, and do not cause cytopathic effects. However, in cases of endosymbiosis between Leishmaniavirus and Leishmania species from the Americas, and between Trichomonasvirus and Trichomonas vaginalis, it seems that it can alter their virulence (degree of pathogenicity). In a mammalian host, due to TLR3 activation of immune cells upon the recognition of viral RNA, uncontrolled inflammatory signaling responses are triggered, increasing pathological damage and the risk of failure of conventional standard treatment. Endosymbiosis with Giardiavirus can cause the loss of intestinal adherence of the protozoan, resulting in a benign disease. The current knowledge about viruses infecting flagellated protozoans is still fragmentary, and more research is required to unravel the intricacies of this three-way relationship. We need to develop early and effective diagnostic methods for further development in the field of translational medicine. Taking advantage of promising biotechnological advances, the aim is to develop ad hoc therapeutic strategies that focus not only on the disease-causing protozoan but also on the virus.
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Affiliation(s)
- Alexandra Ibañez-Escribano
- Department of Microbiology and Parasitology, Faculty of Pharmacy, Complutense University of Madrid, 28040 Madrid, Spain; (A.I.-E.); (M.M.); (C.F.-B.)
| | - Maria Teresa Gomez-Muñoz
- ICPVet Research Group, Department of Animal Health, Faculty of Veterinary Medicine, Complutense University of Madrid, 28040 Madrid, Spain; (M.T.G.-M.); (R.G.P.); (J.M.A.)
- Research Institute Hospital 12 de Octubre, 28041 Madrid, Spain
| | - Marta Mateo
- Department of Microbiology and Parasitology, Faculty of Pharmacy, Complutense University of Madrid, 28040 Madrid, Spain; (A.I.-E.); (M.M.); (C.F.-B.)
- ICPVet Research Group, Department of Animal Health, Faculty of Veterinary Medicine, Complutense University of Madrid, 28040 Madrid, Spain; (M.T.G.-M.); (R.G.P.); (J.M.A.)
- Research Institute Hospital 12 de Octubre, 28041 Madrid, Spain
| | - Cristina Fonseca-Berzal
- Department of Microbiology and Parasitology, Faculty of Pharmacy, Complutense University of Madrid, 28040 Madrid, Spain; (A.I.-E.); (M.M.); (C.F.-B.)
| | - Esperanza Gomez-Lucia
- Animal Viruses Research Group, Department of Animal Health, Faculty of Veterinary Medicine, Complutense University of Madrid, 28040 Madrid, Spain;
| | - Raquel Garcia Perez
- ICPVet Research Group, Department of Animal Health, Faculty of Veterinary Medicine, Complutense University of Madrid, 28040 Madrid, Spain; (M.T.G.-M.); (R.G.P.); (J.M.A.)
| | - Jose M. Alunda
- ICPVet Research Group, Department of Animal Health, Faculty of Veterinary Medicine, Complutense University of Madrid, 28040 Madrid, Spain; (M.T.G.-M.); (R.G.P.); (J.M.A.)
- Research Institute Hospital 12 de Octubre, 28041 Madrid, Spain
| | - Javier Carrion
- ICPVet Research Group, Department of Animal Health, Faculty of Veterinary Medicine, Complutense University of Madrid, 28040 Madrid, Spain; (M.T.G.-M.); (R.G.P.); (J.M.A.)
- Research Institute Hospital 12 de Octubre, 28041 Madrid, Spain
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13
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Song H, Waheed Abdullah S, Yin S, Dong H, Zhang Y, Tan S, Bai M, Ding Y, Teng Z, Sun S, Guo H. Virus-like particle-based multipathogen vaccine of FMD and SVA elicits balanced and broad protective efficacy in mice and pigs. Vaccine 2024; 42:3789-3801. [PMID: 38714448 DOI: 10.1016/j.vaccine.2024.04.092] [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: 12/25/2023] [Revised: 04/07/2024] [Accepted: 04/29/2024] [Indexed: 05/09/2024]
Abstract
Inactivated vaccines lack the capability to serologically differentiate between infected and vaccinated animals, thereby impeding the effective eradication of pathogen. Conversely, vaccines based on virus-like particles (VLPs) emulate natural viruses in both size and antigenic structure, presenting a promising alternative to overcome these limitations. As the complexity of swine infectious diseases increases, the increase of vaccine types and doses may intensify the stress response. This exacerbation can lead to diminished productivity, failure of immunization, and elevated costs. Given the critical dynamics of co-infection and the clinically indistinguishable symptoms associated with foot-and-mouth disease virus (FMDV) and senecavirus A (SVA), there is a dire need for an efficacious intervention. To address these challenges, we developed a combined vaccine composed of three distinct VLPs, specifically designed to target SVA and FMDV serotypes O and A. Our research demonstrates that this trivalent VLP vaccine induces antigen-specific and robust serum antibody responses, comparable to those produced by the respective monovalent vaccines. Moreover, the immune sera from the combined VLP vaccine strongly neutralized FMDV type A and O, and SVA, with neutralization titers comparable to those of the individual vaccines, indicating a high level of immunogenic compatibility among the three VLP components. Importantly, the combined VLPs vaccines-immunized sera conferred efficient protection against single or mixed infections with FMDV type A and O, and SVA viruses in pigs. In contrast, individual vaccines could only protect pigs against homologous virus infections and not against heterologous challenges. This study presents a novel combined vaccines candidate against FMD and SVA, and provides new insights for the development of combination vaccines for other viral swine diseases.
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Affiliation(s)
- Hetao Song
- State Key Laboratory for Animal Disease Control and Prevention, College of Veterinary Medicine, Lanzhou University, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Lanzhou, China
| | - Sahibzada Waheed Abdullah
- State Key Laboratory for Animal Disease Control and Prevention, College of Veterinary Medicine, Lanzhou University, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Lanzhou, China
| | - Shuanghui Yin
- State Key Laboratory for Animal Disease Control and Prevention, College of Veterinary Medicine, Lanzhou University, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Lanzhou, China
| | - Hu Dong
- State Key Laboratory for Animal Disease Control and Prevention, College of Veterinary Medicine, Lanzhou University, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Lanzhou, China
| | - Yun Zhang
- State Key Laboratory for Animal Disease Control and Prevention, College of Veterinary Medicine, Lanzhou University, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Lanzhou, China
| | - Shuzhen Tan
- State Key Laboratory for Animal Disease Control and Prevention, College of Veterinary Medicine, Lanzhou University, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Lanzhou, China
| | - Manyuan Bai
- State Key Laboratory for Animal Disease Control and Prevention, College of Veterinary Medicine, Lanzhou University, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Lanzhou, China
| | - Yaozhong Ding
- State Key Laboratory for Animal Disease Control and Prevention, College of Veterinary Medicine, Lanzhou University, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Lanzhou, China
| | - Zhidong Teng
- State Key Laboratory for Animal Disease Control and Prevention, College of Veterinary Medicine, Lanzhou University, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Lanzhou, China
| | - Shiqi Sun
- State Key Laboratory for Animal Disease Control and Prevention, College of Veterinary Medicine, Lanzhou University, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Lanzhou, China.
| | - Huichen Guo
- State Key Laboratory for Animal Disease Control and Prevention, College of Veterinary Medicine, Lanzhou University, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Lanzhou, China; Gansu Province Research Center for Basic Disciplines of Pathogen Biology, Lanzhou, China.
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14
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Bayraktar C, Kayabolen A, Odabas A, Durgun A, Kok I, Sevinc K, Supramaniam A, Idris A, Bagci-Onder T. ACE2-Decorated Virus-Like Particles Effectively Block SARS-CoV-2 Infection. Int J Nanomedicine 2024; 19:6931-6943. [PMID: 39005960 PMCID: PMC11246629 DOI: 10.2147/ijn.s446093] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2023] [Accepted: 05/02/2024] [Indexed: 07/16/2024] Open
Abstract
Purpose Over the past three years, extensive research has been dedicated to understanding and combating COVID-19. Targeting the interaction between the SARS-CoV-2 Spike protein and the ACE2 receptor has emerged as a promising therapeutic strategy against SARS-CoV-2. This study aimed to develop ACE2-coated virus-like particles (ACE2-VLPs), which can be utilized to prevent viral entry into host cells and efficiently neutralize the virus. Methods Virus-like particles were generated through the utilization of a packaging plasmid in conjunction with a plasmid containing the ACE2 envelope sequence. Subsequently, ACE2-VLPs and ACE2-EVs were purified via ultracentrifugation. The quantification of VLPs was validated through multiple methods, including Nanosight 3000, TEM imaging, and Western blot analysis. Various packaging systems were explored to optimize the ACE2-VLP configuration for enhanced neutralization capabilities. The evaluation of neutralization effectiveness was conducted using pseudoviruses bearing different spike protein variants. Furthermore, the study assessed the neutralization potential against the Omicron BA.1 variant in Vero E6 cells. Results ACE2-VLPs showed a high neutralization capacity even at low doses and demonstrated superior efficacy in in vitro pseudoviral assays compared to extracellular vesicles carrying ACE2. ACE2-VLPs remained stable under various environmental temperatures and effectively blocked all tested variants of concern in vitro. Notably, they exhibited significant neutralization against Omicron BA.1 variant in Vero E6 cells. Given their superior efficacy compared to extracellular vesicles and proven success against live virus, ACE2-VLPs stand out as crucial candidates for treating SARS-CoV-2 infections. Conclusion This novel therapeutic approach of coating VLPs with receptor particles provides a proof-of-concept for designing effective neutralization strategies for other viral diseases in the future.
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Affiliation(s)
- Canan Bayraktar
- Koç University Research Center for Translational Medicine (KUTTAM), Koç University, Istanbul, Turkey
| | - Alisan Kayabolen
- Koç University Research Center for Translational Medicine (KUTTAM), Koç University, Istanbul, Turkey
| | - Arda Odabas
- Koç University Research Center for Translational Medicine (KUTTAM), Koç University, Istanbul, Turkey
| | - Aysegul Durgun
- Koç University Research Center for Translational Medicine (KUTTAM), Koç University, Istanbul, Turkey
| | - Ipek Kok
- Koç University Research Center for Translational Medicine (KUTTAM), Koç University, Istanbul, Turkey
| | - Kenan Sevinc
- Koç University Research Center for Translational Medicine (KUTTAM), Koç University, Istanbul, Turkey
| | - Aroon Supramaniam
- Menzies Health Institute Queensland, School of Medical Science Griffith University, Gold Coast Campus, Brisbane, QLD, Australia
| | - Adi Idris
- Menzies Health Institute Queensland, School of Medical Science Griffith University, Gold Coast Campus, Brisbane, QLD, Australia
- Centre for Immunology and Infection Control, School of Biomedical Sciences, Queensland University of Technology, Brisbane, QLD, Australia
| | - Tugba Bagci-Onder
- Koç University Research Center for Translational Medicine (KUTTAM), Koç University, Istanbul, Turkey
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15
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Yu X, He Q, Kong Q. Multidisciplinary approaches to combat emerging viruses: diagnostics, therapeutic gene and vaccine delivery, and nanotherapeutics. Front Microbiol 2024; 15:1387623. [PMID: 38966392 PMCID: PMC11222566 DOI: 10.3389/fmicb.2024.1387623] [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: 02/19/2024] [Accepted: 04/08/2024] [Indexed: 07/06/2024] Open
Abstract
Emerging viruses, such as filoviruses (Ebola, Marburg), SARS and MERS coronaviruses, and Zika, pose significant threats to global public health, particularly for individuals with co-morbidities. To address these challenges, this review article explores multidisciplinary strategies for combatting emerging viruses. We emphasize the importance of developing accurate diagnostics, innovative therapeutic gene and vaccine delivery systems, and long-acting nanotherapeutics. These approaches are designed to enhance the safety and efficacy of treatments against these deadly pathogens. We discuss the collaborative efforts of virologists, geneticists, formulation scientists, clinicians, immunologists, and medicinal chemists in advancing these therapeutic modalities.
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Affiliation(s)
- Xianqiang Yu
- Medical College of Qingdao University, Qingdao, China
| | - Qing He
- School of Basic Medicine and Forensics, Key Laboratory of Bio-tech Vaccine of Zhejiang Province, Engineering Research Center of Novel Vaccine of Zhejiang Province, Hangzhou Medical College, Hangzhou, China
| | - Qingming Kong
- School of Basic Medicine and Forensics, Key Laboratory of Bio-tech Vaccine of Zhejiang Province, Engineering Research Center of Novel Vaccine of Zhejiang Province, Hangzhou Medical College, Hangzhou, China
- Key Laboratory of Biomarkers and In Vitro Diagnosis Translation of Zhejiang province, School of Laboratory Medicine and Bioengineering, Hangzhou Medical College, Hangzhou, China
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16
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Travassos R, Martins SA, Fernandes A, Correia JDG, Melo R. Tailored Viral-like Particles as Drivers of Medical Breakthroughs. Int J Mol Sci 2024; 25:6699. [PMID: 38928403 PMCID: PMC11204272 DOI: 10.3390/ijms25126699] [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: 04/10/2024] [Revised: 06/11/2024] [Accepted: 06/12/2024] [Indexed: 06/28/2024] Open
Abstract
Despite the recognized potential of nanoparticles, only a few formulations have progressed to clinical trials, and an even smaller number have been approved by the regulatory authorities and marketed. Virus-like particles (VLPs) have emerged as promising alternatives to conventional nanoparticles due to their safety, biocompatibility, immunogenicity, structural stability, scalability, and versatility. Furthermore, VLPs can be surface-functionalized with small molecules to improve circulation half-life and target specificity. Through the functionalization and coating of VLPs, it is possible to optimize the response properties to a given stimulus, such as heat, pH, an alternating magnetic field, or even enzymes. Surface functionalization can also modulate other properties, such as biocompatibility, stability, and specificity, deeming VLPs as potential vaccine candidates or delivery systems. This review aims to address the different types of surface functionalization of VLPs, highlighting the more recent cutting-edge technologies that have been explored for the design of tailored VLPs, their importance, and their consequent applicability in the medical field.
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Affiliation(s)
- Rafael Travassos
- Centro de Ciências e Tecnologias Nucleares, Instituto Superior Técnico, Universidade de Lisboa, CTN, Estrada Nacional 10 (km 139.7), 2695-066 Bobadela, Portugal; (R.T.); (S.A.M.); (A.F.)
| | - Sofia A. Martins
- Centro de Ciências e Tecnologias Nucleares, Instituto Superior Técnico, Universidade de Lisboa, CTN, Estrada Nacional 10 (km 139.7), 2695-066 Bobadela, Portugal; (R.T.); (S.A.M.); (A.F.)
| | - Ana Fernandes
- Centro de Ciências e Tecnologias Nucleares, Instituto Superior Técnico, Universidade de Lisboa, CTN, Estrada Nacional 10 (km 139.7), 2695-066 Bobadela, Portugal; (R.T.); (S.A.M.); (A.F.)
| | - João D. G. Correia
- Centro de Ciências e Tecnologias Nucleares, Instituto Superior Técnico, Universidade de Lisboa, CTN, Estrada Nacional 10 (km 139.7), 2695-066 Bobadela, Portugal; (R.T.); (S.A.M.); (A.F.)
- Departamento de Engenharia e Ciências Nucleares, Instituto Superior Técnico, Universidade de Lisboa, CTN, Estrada Nacional 10 (km 139.7), 2695-066 Bobadela, Portugal
| | - Rita Melo
- Centro de Ciências e Tecnologias Nucleares, Instituto Superior Técnico, Universidade de Lisboa, CTN, Estrada Nacional 10 (km 139.7), 2695-066 Bobadela, Portugal; (R.T.); (S.A.M.); (A.F.)
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Dietrich A, Schiemer R, Kurmann J, Zhang S, Hubbuch J. Raman-based PAT for VLP precipitation: systematic data diversification and preprocessing pipeline identification. Front Bioeng Biotechnol 2024; 12:1399938. [PMID: 38882637 PMCID: PMC11177211 DOI: 10.3389/fbioe.2024.1399938] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2024] [Accepted: 05/13/2024] [Indexed: 06/18/2024] Open
Abstract
Virus-like particles (VLPs) are a promising class of biopharmaceuticals for vaccines and targeted delivery. Starting from clarified lysate, VLPs are typically captured by selective precipitation. While VLP precipitation is induced by step-wise or continuous precipitant addition, current monitoring approaches do not support the direct product quantification, and analytical methods usually require various, time-consuming processing and sample preparation steps. Here, the application of Raman spectroscopy combined with chemometric methods may allow the simultaneous quantification of the precipitated VLPs and precipitant owing to its demonstrated advantages in analyzing crude, complex mixtures. In this study, we present a Raman spectroscopy-based Process Analytical Technology (PAT) tool developed on batch and fed-batch precipitation experiments of Hepatitis B core Antigen VLPs. We conducted small-scale precipitation experiments providing a diversified data set with varying precipitation dynamics and backgrounds induced by initial dilution or spiking of clarified Escherichia coli-derived lysates. For the Raman spectroscopy data, various preprocessing operations were systematically combined allowing the identification of a preprocessing pipeline, which proved to effectively eliminate initial lysate composition variations as well as most interferences attributed to precipitates and the precipitant present in solution. The calibrated partial least squares models seamlessly predicted the precipitant concentration with R 2 of 0.98 and 0.97 in batch and fed-batch experiments, respectively, and captured the observed precipitation trends with R 2 of 0.74 and 0.64. Although the resolution of fine differences between experiments was limited due to the observed non-linear relationship between spectral data and the VLP concentration, this study provides a foundation for employing Raman spectroscopy as a PAT sensor for monitoring VLP precipitation processes with the potential to extend its applicability to other phase-behavior dependent processes or molecules.
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Affiliation(s)
- Annabelle Dietrich
- Institute of Process Engineering in Life Sciences, Section IV: Biomolecular Separation Engineering, Karlsruhe Institute of Technology (KIT), Karlsruhe, Germany
| | - Robin Schiemer
- Institute of Process Engineering in Life Sciences, Section IV: Biomolecular Separation Engineering, Karlsruhe Institute of Technology (KIT), Karlsruhe, Germany
| | - Jasper Kurmann
- Institute of Process Engineering in Life Sciences, Section IV: Biomolecular Separation Engineering, Karlsruhe Institute of Technology (KIT), Karlsruhe, Germany
| | - Shiqi Zhang
- Institute of Process Engineering in Life Sciences, Section IV: Biomolecular Separation Engineering, Karlsruhe Institute of Technology (KIT), Karlsruhe, Germany
| | - Jürgen Hubbuch
- Institute of Process Engineering in Life Sciences, Section IV: Biomolecular Separation Engineering, Karlsruhe Institute of Technology (KIT), Karlsruhe, Germany
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Pierce BG, Felbinger N, Metcalf M, Toth EA, Ofek G, Fuerst TR. Hepatitis C Virus E1E2 Structure, Diversity, and Implications for Vaccine Development. Viruses 2024; 16:803. [PMID: 38793684 PMCID: PMC11125608 DOI: 10.3390/v16050803] [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: 03/21/2024] [Revised: 05/02/2024] [Accepted: 05/15/2024] [Indexed: 05/26/2024] Open
Abstract
Hepatitis C virus (HCV) is a major medical health burden and the leading cause of chronic liver disease and cancer worldwide. More than 58 million people are chronically infected with HCV, with 1.5 million new infections occurring each year. An effective HCV vaccine is a major public health and medical need as recognized by the World Health Organization. However, due to the high variability of the virus and its ability to escape the immune response, HCV rapidly accumulates mutations, making vaccine development a formidable challenge. An effective vaccine must elicit broadly neutralizing antibodies (bnAbs) in a consistent fashion. After decades of studies from basic research through clinical development, the antigen of choice is considered the E1E2 envelope glycoprotein due to conserved, broadly neutralizing antigenic domains located in the constituent subunits of E1, E2, and the E1E2 heterodimeric complex itself. The challenge has been elicitation of robust humoral and cellular responses leading to broad virus neutralization due to the relatively low immunogenicity of this antigen. In view of this challenge, structure-based vaccine design approaches to stabilize key antigenic domains have been hampered due to the lack of E1E2 atomic-level resolution structures to guide them. Another challenge has been the development of a delivery platform in which a multivalent form of the antigen can be presented in order to elicit a more robust anti-HCV immune response. Recent nanoparticle vaccines are gaining prominence in the field due to their ability to facilitate a controlled multivalent presentation and trafficking to lymph nodes, where they can interact with both the cellular and humoral components of the immune system. This review focuses on recent advances in understanding the E1E2 heterodimeric structure to facilitate a rational design approach and the potential for development of a multivalent nanoparticle-based HCV E1E2 vaccine. Both aspects are considered important in the development of an effective HCV vaccine that can effectively address viral diversity and escape.
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Affiliation(s)
- Brian G. Pierce
- Institute for Bioscience and Biotechnology Research, University of Maryland, Rockville, MD 20850, USA; (B.G.P.); (N.F.); (M.M.); (E.A.T.); (G.O.)
- Department of Cell Biology and Molecular Genetics, University of Maryland, College Park, MD 20742, USA
| | - Nathaniel Felbinger
- Institute for Bioscience and Biotechnology Research, University of Maryland, Rockville, MD 20850, USA; (B.G.P.); (N.F.); (M.M.); (E.A.T.); (G.O.)
- Department of Cell Biology and Molecular Genetics, University of Maryland, College Park, MD 20742, USA
| | - Matthew Metcalf
- Institute for Bioscience and Biotechnology Research, University of Maryland, Rockville, MD 20850, USA; (B.G.P.); (N.F.); (M.M.); (E.A.T.); (G.O.)
- Department of Cell Biology and Molecular Genetics, University of Maryland, College Park, MD 20742, USA
| | - Eric A. Toth
- Institute for Bioscience and Biotechnology Research, University of Maryland, Rockville, MD 20850, USA; (B.G.P.); (N.F.); (M.M.); (E.A.T.); (G.O.)
| | - Gilad Ofek
- Institute for Bioscience and Biotechnology Research, University of Maryland, Rockville, MD 20850, USA; (B.G.P.); (N.F.); (M.M.); (E.A.T.); (G.O.)
- Department of Cell Biology and Molecular Genetics, University of Maryland, College Park, MD 20742, USA
| | - Thomas R. Fuerst
- Institute for Bioscience and Biotechnology Research, University of Maryland, Rockville, MD 20850, USA; (B.G.P.); (N.F.); (M.M.); (E.A.T.); (G.O.)
- Department of Cell Biology and Molecular Genetics, University of Maryland, College Park, MD 20742, USA
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Zhuang Z, Zhuo J, Yuan Y, Chen Z, Zhang S, Zhu A, Zhao J, Zhao J. Harnessing T-Cells for Enhanced Vaccine Development against Viral Infections. Vaccines (Basel) 2024; 12:478. [PMID: 38793729 PMCID: PMC11125924 DOI: 10.3390/vaccines12050478] [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: 03/27/2024] [Revised: 04/25/2024] [Accepted: 04/28/2024] [Indexed: 05/26/2024] Open
Abstract
Despite significant strides in vaccine research and the availability of vaccines for many infectious diseases, the threat posed by both known and emerging infectious diseases persists. Moreover, breakthrough infections following vaccination remain a concern. Therefore, the development of novel vaccines is imperative. These vaccines must exhibit robust protective efficacy, broad-spectrum coverage, and long-lasting immunity. One promising avenue in vaccine development lies in leveraging T-cells, which play a crucial role in adaptive immunity and regulate immune responses during viral infections. T-cell recognition can target highly variable or conserved viral proteins, and memory T-cells offer the potential for durable immunity. Consequently, T-cell-based vaccines hold promise for advancing vaccine development efforts. This review delves into the latest research advancements in T-cell-based vaccines across various platforms and discusses the associated challenges.
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Affiliation(s)
- Zhen Zhuang
- State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, the First Affiliated Hospital of Guangzhou Medical University, Guangzhou 510182, China; (Z.Z.); (J.Z.); (Y.Y.); (Z.C.); (S.Z.); (A.Z.); (J.Z.)
| | - Jianfen Zhuo
- State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, the First Affiliated Hospital of Guangzhou Medical University, Guangzhou 510182, China; (Z.Z.); (J.Z.); (Y.Y.); (Z.C.); (S.Z.); (A.Z.); (J.Z.)
- Guangzhou National Laboratory, Guangzhou 510005, China
| | - Yaochang Yuan
- State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, the First Affiliated Hospital of Guangzhou Medical University, Guangzhou 510182, China; (Z.Z.); (J.Z.); (Y.Y.); (Z.C.); (S.Z.); (A.Z.); (J.Z.)
| | - Zhao Chen
- State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, the First Affiliated Hospital of Guangzhou Medical University, Guangzhou 510182, China; (Z.Z.); (J.Z.); (Y.Y.); (Z.C.); (S.Z.); (A.Z.); (J.Z.)
| | - Shengnan Zhang
- State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, the First Affiliated Hospital of Guangzhou Medical University, Guangzhou 510182, China; (Z.Z.); (J.Z.); (Y.Y.); (Z.C.); (S.Z.); (A.Z.); (J.Z.)
| | - Airu Zhu
- State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, the First Affiliated Hospital of Guangzhou Medical University, Guangzhou 510182, China; (Z.Z.); (J.Z.); (Y.Y.); (Z.C.); (S.Z.); (A.Z.); (J.Z.)
| | - Jingxian Zhao
- State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, the First Affiliated Hospital of Guangzhou Medical University, Guangzhou 510182, China; (Z.Z.); (J.Z.); (Y.Y.); (Z.C.); (S.Z.); (A.Z.); (J.Z.)
- Guangzhou National Laboratory, Guangzhou 510005, China
| | - Jincun Zhao
- State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, the First Affiliated Hospital of Guangzhou Medical University, Guangzhou 510182, China; (Z.Z.); (J.Z.); (Y.Y.); (Z.C.); (S.Z.); (A.Z.); (J.Z.)
- Guangzhou National Laboratory, Guangzhou 510005, China
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20
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Wu G, Li Q, Dai J, Mao G, Ma Y. Design and Application of Biosafe Coronavirus Engineering Systems without Virulence. Viruses 2024; 16:659. [PMID: 38793541 PMCID: PMC11126016 DOI: 10.3390/v16050659] [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: 03/29/2024] [Revised: 04/15/2024] [Accepted: 04/18/2024] [Indexed: 05/26/2024] Open
Abstract
In the last twenty years, three deadly zoonotic coronaviruses (CoVs)-namely, severe acute respiratory syndrome coronavirus (SARS-CoV), Middle East respiratory syndrome coronavirus (MERS-CoV), and SARS-CoV-2-have emerged. They are considered highly pathogenic for humans, particularly SARS-CoV-2, which caused the 2019 CoV disease pandemic (COVID-19), endangering the lives and health of people globally and causing unpredictable economic losses. Experiments on wild-type viruses require biosafety level 3 or 4 laboratories (BSL-3 or BSL-4), which significantly hinders basic virological research. Therefore, the development of various biosafe CoV systems without virulence is urgently needed to meet the requirements of different research fields, such as antiviral and vaccine evaluation. This review aimed to comprehensively summarize the biosafety of CoV engineering systems. These systems combine virological foundations with synthetic genomics techniques, enabling the development of efficient tools for attenuated or non-virulent vaccines, the screening of antiviral drugs, and the investigation of the pathogenic mechanisms of novel microorganisms.
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Affiliation(s)
- Guoqiang Wu
- CAS Key Laboratory of Quantitative Engineering Biology, Guangdong Provincial Key Laboratory of Synthetic Genomics and Shenzhen Key Laboratory of Synthetic Genomics, Shenzhen Institute of Synthetic Biology, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China; (G.W.); (Q.L.); (J.D.)
- School of Pharmacy, Faculty of Medicine, Macau University of Science and Technology, Macau SAR 999078, China
| | - Qiaoyu Li
- CAS Key Laboratory of Quantitative Engineering Biology, Guangdong Provincial Key Laboratory of Synthetic Genomics and Shenzhen Key Laboratory of Synthetic Genomics, Shenzhen Institute of Synthetic Biology, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China; (G.W.); (Q.L.); (J.D.)
- College of Biotechnology, Tianjin University of Science and Technology, Tianjin 300457, China
| | - Junbiao Dai
- CAS Key Laboratory of Quantitative Engineering Biology, Guangdong Provincial Key Laboratory of Synthetic Genomics and Shenzhen Key Laboratory of Synthetic Genomics, Shenzhen Institute of Synthetic Biology, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China; (G.W.); (Q.L.); (J.D.)
- Shenzhen Branch, Guangdong Laboratory for Lingnan Modern Agriculture, Key Laboratory of Synthetic Biology, Ministry of Agriculture and Rural Affairs, Agricultural Genomics Institute at Shenzhen, Chinese Academy of Agricultural Sciences, Shenzhen 518120, China
| | - Guobin Mao
- CAS Key Laboratory of Quantitative Engineering Biology, Guangdong Provincial Key Laboratory of Synthetic Genomics and Shenzhen Key Laboratory of Synthetic Genomics, Shenzhen Institute of Synthetic Biology, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China; (G.W.); (Q.L.); (J.D.)
| | - Yingxin Ma
- CAS Key Laboratory of Quantitative Engineering Biology, Guangdong Provincial Key Laboratory of Synthetic Genomics and Shenzhen Key Laboratory of Synthetic Genomics, Shenzhen Institute of Synthetic Biology, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China; (G.W.); (Q.L.); (J.D.)
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21
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Sanchez-Martinez ZV, Alpuche-Lazcano SP, Stuible M, Durocher Y. CHO cells for virus-like particle and subunit vaccine manufacturing. Vaccine 2024; 42:2530-2542. [PMID: 38503664 DOI: 10.1016/j.vaccine.2024.03.034] [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: 01/14/2024] [Revised: 02/27/2024] [Accepted: 03/13/2024] [Indexed: 03/21/2024]
Abstract
Chinese Hamster Ovary (CHO) cells, employed primarily for manufacturing monoclonal antibodies and other recombinant protein (r-protein) therapeutics, are emerging as a promising host for vaccine antigen production. This is exemplified by the recently approved CHO cell-derived subunit vaccines (SUV) against respiratory syncytial virus (RSV) and varicella-zoster virus (VZV), as well as the enveloped virus-like particle (eVLP) vaccine against hepatitis B virus (HBV). Here, we summarize the design, production, and immunogenicity features of these vaccine and review the most recent progress of other CHO-derived vaccines in pre-clinical and clinical development. We also discuss the challenges associated with vaccine production in CHO cells, with a focus on ensuring viral clearance for eVLP products.
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Affiliation(s)
- Zalma V Sanchez-Martinez
- Human Health Therapeutics Research Centre, National Research Council of Canada, Montreal, QC H4P 2R2, Canada; Department of Biochemistry and Molecular Medicine, University of Montreal, Montreal, QC H3T 1J4, Canada
| | - Sergio P Alpuche-Lazcano
- Human Health Therapeutics Research Centre, National Research Council of Canada, Montreal, QC H4P 2R2, Canada
| | - Matthew Stuible
- Human Health Therapeutics Research Centre, National Research Council of Canada, Montreal, QC H4P 2R2, Canada
| | - Yves Durocher
- Human Health Therapeutics Research Centre, National Research Council of Canada, Montreal, QC H4P 2R2, Canada; Department of Biochemistry and Molecular Medicine, University of Montreal, Montreal, QC H3T 1J4, Canada; PROTEO: The Quebec Network for Research on Protein Function, Structure, and Engineering, Université du Québec à Montréal, 201 Avenue du Président Kennedy, Montréal, QC H2X 3Y7, Canada.
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22
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Rao S, Erku D, Mahalingam S, Taylor A. Immunogenicity, safety and duration of protection afforded by chikungunya virus vaccines undergoing human clinical trials. J Gen Virol 2024; 105. [PMID: 38421278 DOI: 10.1099/jgv.0.001965] [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] [Indexed: 03/02/2024] Open
Abstract
Background. Chikungunya virus (CHIKV) causes chikungunya fever and has been responsible for major global epidemics of arthritic disease over the past two decades. Multiple CHIKV vaccine candidates are currently undergoing or have undergone human clinical trials, with one vaccine candidate receiving FDA approval. This scoping review was performed to evaluate the 'efficacy', 'safety' and 'duration of protection' provided by CHIKV vaccine candidates in human clinical trials.Methods. This scoping literature review addresses studies involving CHIKV vaccine clinical trials using available literature on the PubMed, Medline Embase, Cochrane Library and Clinicaltrial.gov databases published up to 25 August 2023. Covidence software was used to structure information and review the studies included in this article.Results. A total of 1138 studies were screened and, after removal of duplicate studies, 12 relevant studies were thoroughly reviewed to gather information. This review summarizs that all seven CHIKV vaccine candidates achieved over 90 % seroprotection against CHIKV after one or two doses. All vaccines were able to provide neutralizing antibody protection for at least 28 days.Conclusions. A variety of vaccine technologies have been used to develop CHIKV vaccine candidates. With one vaccine candidate having recently received FDA approval, it is likely that further CHIKV vaccines will be available commercially in the near future.
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Affiliation(s)
- Shambhavi Rao
- The Emerging Viruses, Inflammation and Therapeutics Group, Menzies Health Institute Queensland, Griffith University, Gold Coast, Southport, QLD, 4215, Australia
- Global Virus Network (GVN) Centre of Excellence in Arboviruses, Griffith University, Gold Coast, QLD, Australia
- School of Pharmacy and Medical Sciences, Griffith University, Gold Coast, QLD, Australia
| | - Daniel Erku
- Centre for Applied Health Economics, Menzies Health Institute Queensland, Griffith University, Gold Coast, Southport, QLD, 4215, Australia
| | - Suresh Mahalingam
- The Emerging Viruses, Inflammation and Therapeutics Group, Menzies Health Institute Queensland, Griffith University, Gold Coast, Southport, QLD, 4215, Australia
- Global Virus Network (GVN) Centre of Excellence in Arboviruses, Griffith University, Gold Coast, QLD, Australia
- School of Pharmacy and Medical Sciences, Griffith University, Gold Coast, QLD, Australia
| | - Adam Taylor
- The Emerging Viruses, Inflammation and Therapeutics Group, Menzies Health Institute Queensland, Griffith University, Gold Coast, Southport, QLD, 4215, Australia
- Global Virus Network (GVN) Centre of Excellence in Arboviruses, Griffith University, Gold Coast, QLD, Australia
- School of Pharmacy and Medical Sciences, Griffith University, Gold Coast, QLD, Australia
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23
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Gholap AD, Gupta J, Kamandar P, Bhowmik DD, Rojekar S, Faiyazuddin M, Hatvate NT, Mohanto S, Ahmed MG, Subramaniyan V, Kumarasamy V. Harnessing Nanovaccines for Effective Immunization─A Special Concern on COVID-19: Facts, Fidelity, and Future Prospective. ACS Biomater Sci Eng 2024; 10:271-297. [PMID: 38096426 DOI: 10.1021/acsbiomaterials.3c01247] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2024]
Abstract
Nanotechnology has emerged as a transformative pathway in vaccine research and delivery. Nanovaccines, encompassing lipid and nonlipid formulations, exhibit considerable advantages over traditional vaccine techniques, including enhanced antigen stability, heightened immunogenicity, targeted distribution, and the potential for codelivery with adjuvants or immune modulators. This review provides a comprehensive overview of the latest advancements and applications of lipid and non-lipid-based nanovaccines in current vaccination strategies for immunization. The review commences by outlining the fundamental concepts underlying lipid and nonlipid nanovaccine design before delving into the diverse components and production processes employed in their development. Subsequently, a comparative analysis of various nanocarriers is presented, elucidating their distinct physicochemical characteristics and impact on the immune response, along with preclinical and clinical studies. The discussion also highlights how nanotechnology enables the possibility of personalized and combined vaccination techniques, facilitating the creation of tailored nanovaccines to meet the individual patient needs. The ethical aspects concerning the use of nanovaccines, as well as potential safety concerns and public perception, are also addressed. The study underscores the gaps and challenges that must be overcome before adopting nanovaccines in clinical practice. This comprehensive analysis offers vital new insights into lipid and nonlipid nanovaccine status. It emphasizes the significance of continuous research, collaboration among interdisciplinary experts, and regulatory measures to fully unlock the potential of nanotechnology in enhancing immunization and ensuring a healthier, more resilient society.
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Affiliation(s)
- Amol D Gholap
- Department of Pharmaceutics, St. John Institute of Pharmacy and Research, Palghar 401404, Maharashtra, India
| | - Juhi Gupta
- Institute of Chemical Technology Mumbai, Marathwada Campus, Jalna 431213, Maharashtra, India
| | - Pallavi Kamandar
- Institute of Chemical Technology Mumbai, Marathwada Campus, Jalna 431213, Maharashtra, India
| | - Deblina D Bhowmik
- Institute of Chemical Technology Mumbai, Marathwada Campus, Jalna 431213, Maharashtra, India
| | - Satish Rojekar
- Department of Pharmacological Sciences, Icahn School of Medicine at Mount Sinai, New York, New York 10029, United States
| | - Md Faiyazuddin
- Department of Pharmaceutics, School of Pharmacy, Al-Karim University, Katihar 854106, Bihar, India
| | - Navnath T Hatvate
- Institute of Chemical Technology Mumbai, Marathwada Campus, Jalna 431213, Maharashtra, India
| | - Sourav Mohanto
- Department of Pharmaceutics, Yenepoya Pharmacy College & Research Centre, Yenepoya (Deemed to be University), Mangaluru 575018, Karnataka, India
| | - Mohammed Gulzar Ahmed
- Department of Pharmaceutics, Yenepoya Pharmacy College & Research Centre, Yenepoya (Deemed to be University), Mangaluru 575018, Karnataka, India
| | - Vetriselvan Subramaniyan
- Pharmacology Unit, Jeffrey Cheah School of Medicine and Health Sciences, Monash University Malaysia, Jalan Lagoon Selatan, Bandar Sunway 47500, Selangor Darul Ehsan, Malaysia
- Center for Transdisciplinary Research, Department of Pharmacology, Saveetha Dental College, Saveetha Institute of Medical and Technical Sciences, Saveetha University, Chennai 600077, Tamil Nadu, India
| | - Vinoth Kumarasamy
- Department of Parasitology and Medical Entomology, Faculty of Medicine, Universiti Kebangsaan Malaysia, Jalan Yaacob Latif, Cheras 56000, Kuala Lumpur, Malaysia
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Poria R, Kala D, Nagraik R, Dhir Y, Dhir S, Singh B, Kaushik NK, Noorani MS, Kaushal A, Gupta S. Vaccine development: Current trends and technologies. Life Sci 2024; 336:122331. [PMID: 38070863 DOI: 10.1016/j.lfs.2023.122331] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2023] [Revised: 11/24/2023] [Accepted: 12/02/2023] [Indexed: 12/24/2023]
Abstract
Despite the effectiveness of vaccination in reducing or eradicating diseases caused by pathogens, there remain certain diseases and emerging infections for which developing effective vaccines is inherently challenging. Additionally, developing vaccines for individuals with compromised immune systems or underlying medical conditions presents significant difficulties. As well as traditional vaccine different methods such as inactivated or live attenuated vaccines, viral vector vaccines, and subunit vaccines, emerging non-viral vaccine technologies, including viral-like particle and nanoparticle vaccines, DNA/RNA vaccines, and rational vaccine design, offer new strategies to address the existing challenges in vaccine development. These advancements have also greatly enhanced our understanding of vaccine immunology, which will guide future vaccine development for a broad range of diseases, including rapidly emerging infectious diseases like COVID-19 and diseases that have historically proven resistant to vaccination. This review provides a comprehensive assessment of emerging non-viral vaccine production methods and their application in addressing the fundamental and current challenges in vaccine development.
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Affiliation(s)
- Renu Poria
- Department of Bio-Sciences and Technology, Maharishi Markandeshwar (Deemed to Be) University, Mullana, Ambala 134003, India
| | - Deepak Kala
- Centera Laboratories, Institute of High Pressure Physics PAS, 01-142 Warsaw, Poland
| | - Rupak Nagraik
- School of Bioengineering and Food Technology, Faculty of Applied Sciences and Biotechnology, Shoolini University, Solan, Himachal Pradesh, India
| | - Yashika Dhir
- Department of Bio-Sciences and Technology, Maharishi Markandeshwar (Deemed to Be) University, Mullana, Ambala 134003, India
| | - Sunny Dhir
- Department of Bio-Sciences and Technology, Maharishi Markandeshwar (Deemed to Be) University, Mullana, Ambala 134003, India
| | - Bharat Singh
- Department of Bio-Sciences and Technology, Maharishi Markandeshwar (Deemed to Be) University, Mullana, Ambala 134003, India
| | - Naveen Kumar Kaushik
- Amity Institute of Virology and Immunology, Amity University Uttar Pradesh, Sector-125, Noida, Uttar Pradesh, India
| | - Md Salik Noorani
- Department of Botany, School of Chemical and Life Sciences, Jamia Hamdard, New Delhi 110062, India
| | - Ankur Kaushal
- Department of Bio-Sciences and Technology, Maharishi Markandeshwar (Deemed to Be) University, Mullana, Ambala 134003, India.
| | - Shagun Gupta
- Department of Bio-Sciences and Technology, Maharishi Markandeshwar (Deemed to Be) University, Mullana, Ambala 134003, India.
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Taghizadeh MS, Niazi A, Afsharifar A. Virus-like particles (VLPs): A promising platform for combating against Newcastle disease virus. Vaccine X 2024; 16:100440. [PMID: 38283623 PMCID: PMC10811427 DOI: 10.1016/j.jvacx.2024.100440] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2023] [Revised: 12/11/2023] [Accepted: 01/13/2024] [Indexed: 01/30/2024] Open
Abstract
The global poultry industry plays a pivotal role in providing eggs and meat for human consumption. However, outbreaks of viral disease, especially Newcastle virus disease (NDV), within poultry farms have detrimental effects on various zootechnical parameters, such as body weight gain, feed intake, feed conversion ratio, as well as the quality of egg and meat production. Cases of vaccine failure have been reported in regions where highly pathogenic strains of NDV are prevalent. To tackle this challenge, virus-like particles (VLPs) have emerged as a potential solution. VLPs closely resemble natural viruses, offering biocompatibility and immune-stimulating properties that make them highly promising for therapeutic applications against NDV. Hence, this review emphasizes the significance of NDV and the need for effective treatments. The manuscript will contain several key aspects, starting with an exploration of the structure and properties of NDV. Subsequently, the paper will delve into the characteristics and benefits of VLPs compared to conventional drug delivery systems. A comprehensive analysis of VLPs as potential vaccine candidates targeting NDV will be presented, along with a discussion on strategies for loading cargo into these NDV-targeting VLPs. The review will also examine various expression systems utilized in the production of NDV-targeting VLPs. Additionally, the manuscript will address future prospects and challenges in the field, concluding with recommendations for further research.
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Affiliation(s)
| | - Ali Niazi
- Institute of Biotechnology, Shiraz University, Shiraz, Iran
| | - Alireza Afsharifar
- Plant Virus Research Center, School of Agriculture, Shiraz University, Shiraz, Iran
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Hadj Hassine I, Ben M'hadheb M, Almalki MA, Gharbi J. Virus-like particles as powerful vaccination strategy against human viruses. Rev Med Virol 2024; 34:e2498. [PMID: 38116958 DOI: 10.1002/rmv.2498] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2023] [Revised: 11/25/2023] [Accepted: 12/08/2023] [Indexed: 12/21/2023]
Abstract
Nowadays, viruses are not only seen as causative agents of viral infectious diseases but also as valuable research materials for various biomedical purposes, including recombinant protein production. When expressed in living or cell-free expression systems, viral structural proteins self-assemble into virus-like particles (VLPs). Mimicking the native form and size of viruses and lacking the genetic material, VLPs are safe and highly immunogenic and thus can be exploited to develop antiviral vaccines. Some vaccines based on VLPs against various infectious pathogens have already been licenced for human use and are available in the commercial market, the latest of which is a VLP-based vaccine to protect against the novel Coronavirus. Despite the success and popularity of VLP subunit vaccines, many more VLPs are still in different stages of design, production, and approval. There are still many challenges that require to be addressed in the future before this surface display system can be widely used as an effective vaccine strategy in combating infectious diseases. In this review, we highlight the use of structural viral proteins to produce VLPs, emphasising their intrinsic properties, structural classification, and main expression host systems. We also compiled the recent scientific literature about VLP-based vaccines to underline the recent advances in their application as a vaccine strategy for preventing and fighting virulent human pathogens. Finally, we presented the key challenges and possible solutions for VLP-based vaccine production.
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Affiliation(s)
- Ikbel Hadj Hassine
- Virology and Antiviral Strategies Research Unit UR17ES30, Higher Institute of Biotechnology, University of Monastir, Monastir, Tunisia
- USCR-SAG Unit, Higher Institute of Biotechnology, University of Monastirs, Monastir, Tunisia
| | - Manel Ben M'hadheb
- Virology and Antiviral Strategies Research Unit UR17ES30, Higher Institute of Biotechnology, University of Monastir, Monastir, Tunisia
- USCR-SAG Unit, Higher Institute of Biotechnology, University of Monastirs, Monastir, Tunisia
| | - Mohammed A Almalki
- Department of Biological Sciences, College of Science, King Faisal University, Al-Ahsa, Saudi Arabia
| | - Jawhar Gharbi
- Department of Biological Sciences, College of Science, King Faisal University, Al-Ahsa, Saudi Arabia
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Braz Gomes K, Zhang YN, Lee YZ, Eldad M, Lim A, Ward G, Auclair S, He L, Zhu J. Single-Component Multilayered Self-Assembling Protein Nanoparticles Displaying Extracellular Domains of Matrix Protein 2 as a Pan-influenza A Vaccine. ACS NANO 2023; 17:23545-23567. [PMID: 37988765 PMCID: PMC10722606 DOI: 10.1021/acsnano.3c06526] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/16/2023] [Revised: 11/09/2023] [Accepted: 11/15/2023] [Indexed: 11/23/2023]
Abstract
The development of a cross-protective pan-influenza A vaccine remains a significant challenge. In this study, we designed and evaluated single-component self-assembling protein nanoparticles (SApNPs) presenting the conserved extracellular domain of matrix protein 2 (M2e) as vaccine candidates against influenza A viruses. The SApNP-based vaccine strategy was first validated for human M2e (hM2e) and then applied to tandem repeats of M2e from human, avian, and swine hosts (M2ex3). Vaccination with M2ex3 displayed on SApNPs demonstrated higher survival rates and less weight loss compared to the soluble M2ex3 antigen against the lethal challenges of H1N1 and H3N2 in mice. M2ex3 I3-01v9a SApNPs formulated with a squalene-based adjuvant were retained in the lymph node follicles over 8 weeks and induced long-lived germinal center reactions. Notably, a single low dose of M2ex3 I3-01v9a SApNP formulated with a potent adjuvant, either a Toll-like receptor 9 (TLR9) agonist or a stimulator of interferon genes (STING) agonist, conferred 90% protection against a lethal H1N1 challenge in mice. With the ability to induce robust and durable M2e-specific functional antibody and T cell responses, the M2ex3-presenting I3-01v9a SApNP provides a promising pan-influenza A vaccine candidate.
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Affiliation(s)
- Keegan Braz Gomes
- Department
of Integrative Structural and Computational Biology, The Scripps Research Institute, La Jolla, California 92037, United States
| | - Yi-Nan Zhang
- Department
of Integrative Structural and Computational Biology, The Scripps Research Institute, La Jolla, California 92037, United States
| | - Yi-Zong Lee
- Department
of Integrative Structural and Computational Biology, The Scripps Research Institute, La Jolla, California 92037, United States
| | - Mor Eldad
- Department
of Integrative Structural and Computational Biology, The Scripps Research Institute, La Jolla, California 92037, United States
| | - Alexander Lim
- Department
of Integrative Structural and Computational Biology, The Scripps Research Institute, La Jolla, California 92037, United States
| | - Garrett Ward
- Department
of Integrative Structural and Computational Biology, The Scripps Research Institute, La Jolla, California 92037, United States
| | - Sarah Auclair
- Department
of Integrative Structural and Computational Biology, The Scripps Research Institute, La Jolla, California 92037, United States
| | - Linling He
- Department
of Integrative Structural and Computational Biology, The Scripps Research Institute, La Jolla, California 92037, United States
| | - Jiang Zhu
- Department
of Integrative Structural and Computational Biology, The Scripps Research Institute, La Jolla, California 92037, United States
- Department
of Immunology and Microbiology, The Scripps
Research Institute, La Jolla, California 92037, United States
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Azevedo IR, Amamura TA, Isaac L. Human leptospirosis: In search for a better vaccine. Scand J Immunol 2023; 98:e13316. [PMID: 39008520 DOI: 10.1111/sji.13316] [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: 12/22/2022] [Revised: 07/03/2023] [Accepted: 07/05/2023] [Indexed: 07/17/2024]
Abstract
Leptospirosis is a neglected disease caused by bacteria of the genus Leptospira and is more prevalent in tropical and subtropical countries. This pathogen infects humans and other animals, responsible for the most widespread zoonosis in the world, estimated to be responsible for 60 000 deaths and 1 million cases per year. To date, commercial vaccines against human leptospirosis are available only in some countries such as Japan, China, Cuba and France. These vaccines prepared with inactivated Leptospira (bacterins) induce a short-term and serovar-specific immune response, with strong adverse side effects. To circumvent these limitations, several research groups are investigating new experimental vaccines in order to ensure that they are safe, efficient, and protect against several pathogenic Leptospira serovars, inducing sterilizing immunity. Most of these protocols use attenuated cultures, preparations after LPS removal, recombinant proteins or DNA from pathogenic Leptospira spp. The aim of this review was to highlight several promising vaccine candidates, considering their immunogenicity, presence in different pathogenic Leptospira serovars, their role in virulence or immune evasion and other factors.
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Affiliation(s)
- Isabela Resende Azevedo
- Department of Immunology, Institute of Biomedical Sciences, University of São Paulo, São Paulo, Brazil
| | - Thais Akemi Amamura
- Department of Immunology, Institute of Biomedical Sciences, University of São Paulo, São Paulo, Brazil
| | - Lourdes Isaac
- Department of Immunology, Institute of Biomedical Sciences, University of São Paulo, São Paulo, Brazil
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Lee SH, Chu KB, Kim MJ, Quan FS. Virus-Like Particles Assembled Using Respiratory Syncytial Virus Matrix Protein Elicit Protective Immunity in Mice. Infect Drug Resist 2023; 16:6099-6110. [PMID: 37719656 PMCID: PMC10503551 DOI: 10.2147/idr.s426039] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2023] [Accepted: 09/01/2023] [Indexed: 09/19/2023] Open
Abstract
Purpose Heterologous virus-like particle (VLP) assembly involving influenza or the Newcastle disease virus matrix protein (M) has been extensively used to explore the efficacies of VLP vaccines against the respiratory syncytial virus (RSV). Here, we attempted to generate homologous RSV VLPs by expressing the pre-fusion (pre-F) or the glycoprotein (G) on the RSV M protein and evaluated their protective efficacy in mice. Methods We generated VLPs using the baculovirus expression system in Spodoptera frugiperda (Sf9) insect cells. Recombinant baculoviruses expressing the RSV pre-F, G, and M antigens were inoculated into Sf9 cells, and particles were self-assembled. Mice were immunized with either pre-F or G-expressing VLPs, and immune parameters were assessed to determine protection. Results Our findings show that successful VLP assembly can be achieved by utilizing recombinant baculoviruses expressing the RSV pre-F or G proteins with the native matrix protein. Mice immunized with either pre-F or the G antigen-expressing VLPs elicited robust serum-mediated virus neutralization. VLP immunization evoked Th1-biased RSV-specific antibody responses in the sera of mice. Following challenge infection with the RSV A2 strain, immunized mice experienced lesser eosinophil and IL-4 accumulation in the lungs, though a substantial increase in TNF-α secretion was observed from CD4+ T cells. Interestingly, splenic antibody-secreting cell responses were substantially enhanced against RSV F antigen, but not against the RSV G antigen following immunization and challenge infection. Immunizing mice with the VLPs significantly inhibited pulmonary histopathology development, as indicated by the diminished inflammatory immune cell influx and mucin secretion. Conclusion Combined, these vaccine-induced immune responses contributed to successfully inhibiting the RSV replication in the lungs of mice and demonstrated that RSV VLP assembly using insect cell-derived homologous RSV matrix protein is a feasible approach.
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Affiliation(s)
- Su-Hwa Lee
- Department of Medical Zoology, School of Medicine, Kyung Hee University, Seoul, Republic of Korea
| | - Ki-Back Chu
- Medical Research Center for Bioreaction to Reactive Oxygen Species and Biomedical Science Institute, Core Research Institute, School of Medicine, Kyung Hee University, Seoul, Republic of Korea
| | - Min-Ju Kim
- Department of Biomedical Science, Graduate School, Kyung Hee University, Seoul, Republic of Korea
| | - Fu-Shi Quan
- Department of Medical Zoology, School of Medicine, Kyung Hee University, Seoul, Republic of Korea
- Medical Research Center for Bioreaction to Reactive Oxygen Species and Biomedical Science Institute, Core Research Institute, School of Medicine, Kyung Hee University, Seoul, Republic of Korea
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30
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Toth EA, Andrianov AK, Fuerst TR. Prospects for developing an Hepatitis C virus E1E2-based nanoparticle vaccine. Rev Med Virol 2023; 33:e2474. [PMID: 37565536 PMCID: PMC10626635 DOI: 10.1002/rmv.2474] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2023] [Revised: 07/31/2023] [Accepted: 08/02/2023] [Indexed: 08/12/2023]
Abstract
Globally, more than 58 million people are chronically infected with Hepatitis C virus (HCV) with 1.5 million new infections occurring each year. An effective vaccine for HCV is therefore a major unmet medical and public health need. Since HCV rapidly accumulates mutations, vaccines must elicit the production of broadly neutralising antibodies (bnAbs) in a reproducible fashion. Decades of research have generated a number of HCV vaccine candidates. Based on the available data and research through clinical development, a vaccine antigen based on the E1E2 glycoprotein complex appears to be the best choice, but robust induction of humoral and cellular responses leading to virus neutralisation has not yet been achieved. One issue that has arisen in developing an HCV vaccine (and many other vaccines as well) is the platform used for antigen delivery. The majority of viral vaccine trials have employed subunit vaccines. However, subunit vaccines often have limited immunogenicity, as seen for HCV, and thus multiple formats must be examined in order to elicit a robust anti-HCV immune response. Nanoparticle vaccines are gaining prominence in the field due to their ability to facilitate a controlled multivalent presentation and trafficking to lymph nodes, where they can interact with both arms of the immune system. This review discusses the potential for development of a nanoparticle-based HCV E1E2 vaccine, with an emphasis on the potential benefits of such an approach along with the major challenges facing the incorporation of E1E2 into nanoparticulate delivery systems and how those challenges can be addressed.
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Affiliation(s)
- Eric A. Toth
- University of Maryland Institute for Bioscience and Biotechnology Research, Rockville, MD 20850, USA
| | - Alexander K. Andrianov
- University of Maryland Institute for Bioscience and Biotechnology Research, Rockville, MD 20850, USA
| | - Thomas R. Fuerst
- University of Maryland Institute for Bioscience and Biotechnology Research, Rockville, MD 20850, USA
- Department of Cell Biology and Molecular Genetics, University of Maryland, College Park, MD 20742, USA
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31
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Koroleva M. Multicompartment colloid systems with lipid and polymer membranes for biomedical applications. Phys Chem Chem Phys 2023; 25:21836-21859. [PMID: 37565484 DOI: 10.1039/d3cp01984e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/12/2023]
Abstract
Multicompartment structures have the potential for biomedical applications because they can act as multifunctional systems and provide simultaneous delivery of drugs and diagnostics agents of different types. Moreover, some of them mimic biological cells to some extent with organelles as separate sub-compartments. This article analyses multicompartment colloidal structures with smaller sub-units covered with lipid or polymer membranes that provide additional protection for the encapsulated substances. Vesosomes with small vesicles encapsulated in the inner pools of larger liposomes are the most studied systems to date. Dendrimer molecules are enclosed by a lipid bilayer shell in dendrosomes. Capsosomes, polymersomes-in-polymer capsules, and cubosomes-in-polymer capsules are composed of sub-compartments encapsulated within closed multilayer polymer membranes. Janus or Cerberus emulsions contain droplets composed of two or three phases: immiscible oils in O/W emulsions and aqueous polymer or salt solutions that are separated into two or three phases and form connected droplets in W/O emulsions. In more cases, the external surface of engulfed droplets in Janus or Cerberus emulsions is covered with a lipid or polymer monolayer. eLiposomes with emulsion droplets encapsulated into a bilayer shell have been given little attention so far, but they have very great prospects. In addition to nanoemulsion droplets, solid lipid nanoparticles, nanostructured lipid carriers and inorganic nanoparticles can be loaded into eLiposomes. Molecular engineering of the external membrane allows the creation of ligand-targeted and stimuli-responsive multifunctional systems. As a result, the efficacy of drug delivery can be significantly enhanced.
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Affiliation(s)
- Marina Koroleva
- Mendeleev University of Chemical Technology, Miusskaya sq. 9, Moscow 125047.
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Asensio-Cob D, Rodríguez JM, Luque D. Rotavirus Particle Disassembly and Assembly In Vivo and In Vitro. Viruses 2023; 15:1750. [PMID: 37632092 PMCID: PMC10458742 DOI: 10.3390/v15081750] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2023] [Revised: 08/11/2023] [Accepted: 08/14/2023] [Indexed: 08/27/2023] Open
Abstract
Rotaviruses (RVs) are non-enveloped multilayered dsRNA viruses that are major etiologic agents of diarrheal disease in humans and in the young in a large number of animal species. The viral particle is composed of three different protein layers that enclose the segmented dsRNA genome and the transcriptional complexes. Each layer defines a unique subparticle that is associated with a different phase of the replication cycle. Thus, while single- and double-layered particles are associated with the intracellular processes of selective packaging, genome replication, and transcription, the viral machinery necessary for entry is located in the third layer. This modular nature of its particle allows rotaviruses to control its replication cycle by the disassembly and assembly of its structural proteins. In this review, we examine the significant advances in structural, molecular, and cellular RV biology that have contributed during the last few years to illuminating the intricate details of the RV particle disassembly and assembly processes.
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Affiliation(s)
- Dunia Asensio-Cob
- Department of Molecular Medicine, Peter Gilgan Centre for Research and Learning, The Hospital for Sick Children, 686 Bay Street, Toronto, ON M5G0A4, Canada;
| | - Javier M. Rodríguez
- Department of Structure of Macromolecules, Centro Nacional de Biotecnología/CSIC, Cantoblanco, 28049 Madrid, Spain
| | - Daniel Luque
- Electron Microscopy Unit UCCT/ISCIII, 28220 Majadahonda, Spain
- School of Biomedical Sciences, The University of New South Wales, Sydney, NSW 2052, Australia
- Electron Microscope Unit, Mark Wainwright Analytical Centre, The University of New South Wales, Sydney, NSW 2052, Australia
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Kumru OS, Bajoria S, Kaur K, Hickey JM, Van Slyke G, Doering J, Berman K, Richardson C, Lien H, Kleanthous H, Mantis NJ, Joshi SB, Volkin DB. Effects of aluminum-salt, CpG and emulsion adjuvants on the stability and immunogenicity of a virus-like particle displaying the SARS-CoV-2 receptor-binding domain (RBD). Hum Vaccin Immunother 2023; 19:2264594. [PMID: 37932241 PMCID: PMC10760504 DOI: 10.1080/21645515.2023.2264594] [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: 07/13/2023] [Accepted: 09/25/2023] [Indexed: 11/08/2023] Open
Abstract
Second-generation COVID-19 vaccines with improved immunogenicity (e.g., breadth, duration) and availability (e.g., lower costs, refrigerator stable) are needed to enhance global coverage. In this work, we formulated a clinical-stage SARS-CoV-2 receptor-binding domain (RBD) virus-like particle (VLP) vaccine candidate (IVX-411) with widely available adjuvants. Specifically, we assessed the in vitro storage stability and in vivo mouse immunogenicity of IVX-411 formulated with aluminum-salt adjuvants (Alhydrogel™, AH and Adjuphos™, AP), without or with the TLR-9 agonist CpG-1018™ (CpG), and compared these profiles to IVX-411 adjuvanted with an oil-in-water nano-emulsion (AddaVax™, AV). Although IVX-411 bound both AH and AP, lower binding strength of antigen to AP was observed by Langmuir binding isotherms. Interestingly, AH- and AP-adsorbed IVX-411 had similar storage stability profiles as measured by antigen-binding assays (competitive ELISAs), but the latter displayed higher pseudovirus neutralizing titers (pNT) in mice, at levels comparable to titers elicited by AV-adjuvanted IVX-411. CpG addition to alum (AP or AH) resulted in a marginal trend of improved pNTs in stressed samples only, yet did not impact the storage stability profiles of IVX-411. In contrast, previous work with AH-formulations of a monomeric RBD antigen showed greatly improved immunogenicity and decreased stability upon CpG addition to alum. At elevated temperatures (25, 37°C), IVX-411 formulated with AH or AP displayed decreased in vitro stability compared to AV-formulated IVX-411and this rank-ordering correlated with in vivo performance (mouse pNT values). This case study highlights the importance of characterizing antigen-adjuvant interactions to develop low cost, aluminum-salt adjuvanted recombinant subunit vaccine candidates.
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Affiliation(s)
- Ozan S. Kumru
- Department of Pharmaceutical Chemistry, Vaccine Analytics and Formulation Center, University of Kansas, Lawrence, KS, USA
| | - Sakshi Bajoria
- Department of Pharmaceutical Chemistry, Vaccine Analytics and Formulation Center, University of Kansas, Lawrence, KS, USA
| | - Kawaljit Kaur
- Department of Pharmaceutical Chemistry, Vaccine Analytics and Formulation Center, University of Kansas, Lawrence, KS, USA
| | - John M. Hickey
- Department of Pharmaceutical Chemistry, Vaccine Analytics and Formulation Center, University of Kansas, Lawrence, KS, USA
| | - Greta Van Slyke
- Division of Infectious Disease, Wadsworth Center, New York State Department of Health, Albany, NY, USA
| | - Jennifer Doering
- Division of Infectious Disease, Wadsworth Center, New York State Department of Health, Albany, NY, USA
| | - Katherine Berman
- Division of Infectious Disease, Wadsworth Center, New York State Department of Health, Albany, NY, USA
| | | | | | - Harry Kleanthous
- Discovery & Translational Sciences, Global Health, Bill and Melinda Gates Foundation, Seattle, WA, USA
| | - Nicholas J. Mantis
- Division of Infectious Disease, Wadsworth Center, New York State Department of Health, Albany, NY, USA
| | - Sangeeta B. Joshi
- Department of Pharmaceutical Chemistry, Vaccine Analytics and Formulation Center, University of Kansas, Lawrence, KS, USA
| | - David B. Volkin
- Department of Pharmaceutical Chemistry, Vaccine Analytics and Formulation Center, University of Kansas, Lawrence, KS, USA
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Dong X, Wu W, Pan P, Zhang XZ. Engineered Living Materials for Advanced Diseases Therapy. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2023:e2304963. [PMID: 37436776 DOI: 10.1002/adma.202304963] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/25/2023] [Revised: 07/04/2023] [Accepted: 07/11/2023] [Indexed: 07/13/2023]
Abstract
Natural living materials serving as biotherapeutics exhibit great potential for treating various diseases owing to their immunoactivity, tissue targeting, and other biological activities. In this review, the recent developments in engineered living materials, including mammalian cells, bacteria, viruses, fungi, microalgae, plants, and their active derivatives that are used for treating various diseases are summarized. Further, the future perspectives and challenges of such engineered living material-based biotherapeutics are discussed to provide considerations for future advances in biomedical applications.
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Affiliation(s)
- Xue Dong
- Institute for Advanced Studies, Wuhan University, Wuhan, 430072, P. R. China
- Medical Center of Hematology, Xinqiao Hospital, State Key Laboratory of Trauma, Burn and Combined Injury, Army Medical University, Chongqing, 400037, P. R. China
| | - Wei Wu
- Medical Center of Hematology, Xinqiao Hospital, State Key Laboratory of Trauma, Burn and Combined Injury, Army Medical University, Chongqing, 400037, P. R. China
| | - Pei Pan
- Key Laboratory of Biomedical Polymers of Ministry of Education and Department of Chemistry, Wuhan University, Wuhan, 430072, P. R. China
| | - Xian-Zheng Zhang
- Institute for Advanced Studies, Wuhan University, Wuhan, 430072, P. R. China
- Key Laboratory of Biomedical Polymers of Ministry of Education and Department of Chemistry, Wuhan University, Wuhan, 430072, P. R. China
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Ko HJ, Kim YJ. Antigen Delivery Systems: Past, Present, and Future. Biomol Ther (Seoul) 2023; 31:370-387. [PMID: 37072288 PMCID: PMC10315343 DOI: 10.4062/biomolther.2023.006] [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: 01/09/2023] [Revised: 03/07/2023] [Accepted: 03/22/2023] [Indexed: 04/20/2023] Open
Abstract
The COVID-19 pandemic has increased demand for safe and effective vaccines. Research to develop vaccines against diseases including Middle East respiratory syndrome, Ebolavirus, human immunodeficiency virus, and various cancers would also contribute to global well-being. For successful vaccine development, the advancement of technologies such as antigen (Ag) screening, Ag delivery systems and adjuvants, and manufacturing processes is essential. Ag delivery systems are required not only to deliver a sufficient amount of Ag for vaccination, but also to enhance immune response. In addition, Ag types and their delivery systems determine the manufacturing processes of the vaccine product. Here, we analyze the characteristics of various Ag delivery systems: plasmids, viral vectors, bacterial vectors, nanoparticles, self-assembled particles, natural and artificial cells, and extracellular vesicles. This review provides insight into the current vaccine landscape and highlights promising avenues of research for the development and improvement of Ag delivery systems.
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Affiliation(s)
- Hyun-Jeong Ko
- Laboratory of Microbiology and Immunology, Department of Pharmacy, Kangwon National University, Chuncheon 24341, Republic of Korea
| | - Yeon-Jeong Kim
- Laboratory of Microbiology and Immunology, College of Pharmacy, Inje University, Gimhae 50834, Republic of Korea
- Inje Institute of Pharmaceutical Science and Research, Inje University, Gimhae 50834, Republic of Korea
- Smart Marine Therapeutic Center, Inje University, Gimhae 50834, Republic of Korea
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36
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Sharifi E, Yousefiasl S, Trovato M, Sartorius R, Esmaeili Y, Goodarzi H, Ghomi M, Bigham A, Moghaddam FD, Heidarifard M, Pourmotabed S, Nazarzadeh Zare E, Paiva-Santos AC, Rabiee N, Wang X, Tay FR. Nanostructures for prevention, diagnosis, and treatment of viral respiratory infections: from influenza virus to SARS-CoV-2 variants. J Nanobiotechnology 2023; 21:199. [PMID: 37344894 PMCID: PMC10283343 DOI: 10.1186/s12951-023-01938-8] [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: 12/21/2022] [Accepted: 05/24/2023] [Indexed: 06/23/2023] Open
Abstract
Viruses are a major cause of mortality and socio-economic downfall despite the plethora of biopharmaceuticals designed for their eradication. Conventional antiviral therapies are often ineffective. Live-attenuated vaccines can pose a safety risk due to the possibility of pathogen reversion, whereas inactivated viral vaccines and subunit vaccines do not generate robust and sustained immune responses. Recent studies have demonstrated the potential of strategies that combine nanotechnology concepts with the diagnosis, prevention, and treatment of viral infectious diseases. The present review provides a comprehensive introduction to the different strains of viruses involved in respiratory diseases and presents an overview of recent advances in the diagnosis and treatment of viral infections based on nanotechnology concepts and applications. Discussions in diagnostic/therapeutic nanotechnology-based approaches will be focused on H1N1 influenza, respiratory syncytial virus, human parainfluenza virus type 3 infections, as well as COVID-19 infections caused by the SARS-CoV-2 virus Delta variant and new emerging Omicron variant.
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Affiliation(s)
- Esmaeel Sharifi
- Department of Tissue Engineering and Biomaterials, School of Advanced Medical Sciences and Technologies, Hamadan University of Medical Sciences, Hamadan, 6517838736, Iran.
| | - Satar Yousefiasl
- Dental Research Center, Dentistry Research Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Maria Trovato
- Institute of Biochemistry and Cell Biology (IBBC), National Research Council (CNR), 80131, Naples, Italy
| | - Rossella Sartorius
- Institute of Biochemistry and Cell Biology (IBBC), National Research Council (CNR), 80131, Naples, Italy
| | - Yasaman Esmaeili
- School of Advanced Technologies in Medicine, Biosensor Research Center, Isfahan University of Medical Sciences, Isfahan, 8174673461, Iran
| | - Hamid Goodarzi
- Centre de recherche, Hôpital Maisonneuve-Rosemont, Montreal, QC, Canada
- Départment d'Ophtalmologie, Université de Montréal, Montreal, QC, Canada
| | - Matineh Ghomi
- School of Chemistry, Damghan University, Damghan, 36716-45667, Iran
| | - Ashkan Bigham
- Department of Tissue Engineering and Biomaterials, School of Advanced Medical Sciences and Technologies, Hamadan University of Medical Sciences, Hamadan, 6517838736, Iran
| | - Farnaz Dabbagh Moghaddam
- Institute for Photonics and Nanotechnologies, National Research Council, Via Fosso del Cavaliere, 100, 00133, Rome, Italy
| | - Maryam Heidarifard
- Centre de recherche, Hôpital Maisonneuve-Rosemont, Montreal, QC, Canada
- Départment d'Ophtalmologie, Université de Montréal, Montreal, QC, Canada
| | - Samiramis Pourmotabed
- Department of Emergency Medicine, School of Medicine, Hamadan University of Medical Sciences, Hamadan, 6517838736, Iran
| | | | - Ana Cláudia Paiva-Santos
- Department of Pharmaceutical Technology, Faculty of Pharmacy of the University of Coimbra, University of Coimbra, 3000-548, Coimbra, Portugal
- Group of Pharmaceutical Technology, Faculty of Pharmacy of the University of Coimbra, University of Coimbra, 3000-548, Coimbra, Portugal
| | - Navid Rabiee
- School of Engineering, Macquarie University, Sydney, NSW, 2109, Australia
- Department of Materials Science and Engineering, Pohang University of Science and Technology (POSTECH), 77 Cheongam-ro, Nam-gu, Pohang, Gyeongbuk, 37673, Republic of Korea
| | - Xiangdong Wang
- Department of Pulmonary and Critical Care Medicine, Zhongshan Hospital, Fudan University Shanghai Medical College, Shanghai, 200032, China
| | - Franklin R Tay
- The Graduate School, Augusta University, Augusta, GA, 30912, USA.
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37
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Hillebrandt N, Hubbuch J. Size-selective downstream processing of virus particles and non-enveloped virus-like particles. Front Bioeng Biotechnol 2023; 11:1192050. [PMID: 37304136 PMCID: PMC10248422 DOI: 10.3389/fbioe.2023.1192050] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2023] [Accepted: 05/08/2023] [Indexed: 06/13/2023] Open
Abstract
Non-enveloped virus-like particles (VLPs) are versatile protein nanoparticles with great potential for biopharmaceutical applications. However, conventional protein downstream processing (DSP) and platform processes are often not easily applicable due to the large size of VLPs and virus particles (VPs) in general. The application of size-selective separation techniques offers to exploit the size difference between VPs and common host-cell impurities. Moreover, size-selective separation techniques offer the potential for wide applicability across different VPs. In this work, basic principles and applications of size-selective separation techniques are reviewed to highlight their potential in DSP of VPs. Finally, specific DSP steps for non-enveloped VLPs and their subunits are reviewed as well as the potential applications and benefits of size-selective separation techniques are shown.
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Affiliation(s)
| | - Jürgen Hubbuch
- Institute of Engineering in Life Sciences, Section IV: Biomolecular Separation Engineering, Karlsruhe Institute of Technology (KIT), Karlsruhe, Germany
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38
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Yang JI, Sepúlveda D, Vardia I, Skov J, Goksøyr L, Sander AF, Lorenzen N. High immunogenicity of virus-like particles (VLPs) decorated with Aeromonas salmonicida VapA antigen in rainbow trout. Front Immunol 2023; 14:1139206. [PMID: 37283749 PMCID: PMC10239931 DOI: 10.3389/fimmu.2023.1139206] [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: 01/06/2023] [Accepted: 05/02/2023] [Indexed: 06/08/2023] Open
Abstract
The Gram-negative bacterium A. salmonicida is the causal agent of furunculosis and used to be one of the most loss-causing bacterial infections in the salmonid aquaculture industry with a mortality rate of about 90% until the 1990s, when an inactivated vaccine with mineral oil as adjuvant was successfully implemented to control the disease. However, the use of this vaccine is associated with inflammatory side effects in the peritoneal cavity as well as autoimmune reactions in Atlantic salmon, and incomplete protection has been reported in rainbow trout. We here aimed at developing and testing a recombinant alternative vaccine based on virus-like particles (VLPs) decorated with VapA, the key structural surface protein in the outer A-layer of A. salmonicida. The VLP carrier was based on either the capsid protein of a fish nodavirus, namely red grouper nervous necrotic virus (RGNNV) or the capsid protein of Acinetobacter phage AP205. The VapA and capsid proteins were expressed individually in E. coli and VapA was fused to auto-assembled VLPs using the SpyTag/SpyCatcher technology. Rainbow trout were vaccinated/immunized with the VapA-VLP vaccines by intraperitoneal injection and were challenged with A. salmonicida 7 weeks later. The VLP vaccines provided protection comparable to that of a bacterin-based vaccine and antibody response analysis demonstrated that vaccinated fish mounted a strong VapA-specific antibody response. To our knowledge, this is the first demonstration of the potential use of antigen-decorated VLPs for vaccination against a bacterial disease in salmonids.
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Affiliation(s)
- Jeong In Yang
- National Institute of Aquatic Resources, Technical University of Denmark, Kongens Lyngby, Denmark
| | - Dagoberto Sepúlveda
- National Institute of Aquatic Resources, Technical University of Denmark, Kongens Lyngby, Denmark
| | - Irina Vardia
- National Institute of Aquatic Resources, Technical University of Denmark, Kongens Lyngby, Denmark
| | - Jakob Skov
- National Institute of Aquatic Resources, Technical University of Denmark, Kongens Lyngby, Denmark
| | - Louise Goksøyr
- Centre for Medical Parasitology, Department of Immunology and Microbiology, University of Copenhagen, Copenhagen, Denmark
- AdaptVac Aps, Copenhagen, Denmark
| | - Adam F. Sander
- Centre for Medical Parasitology, Department of Immunology and Microbiology, University of Copenhagen, Copenhagen, Denmark
- AdaptVac Aps, Copenhagen, Denmark
| | - Niels Lorenzen
- National Institute of Aquatic Resources, Technical University of Denmark, Kongens Lyngby, Denmark
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Ortiz R, Barajas A, Pons-Grífols A, Trinité B, Tarrés-Freixas F, Rovirosa C, Urrea V, Barreiro A, Gonzalez-Tendero A, Cardona M, Ferrer L, Clotet B, Carrillo J, Aguilar-Gurrieri C, Blanco J. Exploring FeLV-Gag-Based VLPs as a New Vaccine Platform-Analysis of Production and Immunogenicity. Int J Mol Sci 2023; 24:ijms24109025. [PMID: 37240371 DOI: 10.3390/ijms24109025] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2023] [Revised: 05/11/2023] [Accepted: 05/18/2023] [Indexed: 05/28/2023] Open
Abstract
Feline leukemia virus (FeLV) is one of the most prevalent infectious diseases in domestic cats. Although different commercial vaccines are available, none of them provides full protection. Thus, efforts to design a more efficient vaccine are needed. Our group has successfully engineered HIV-1 Gag-based VLPs that induce a potent and functional immune response against the HIV-1 transmembrane protein gp41. Here, we propose to use this concept to generate FeLV-Gag-based VLPs as a novel vaccine strategy against this retrovirus. By analogy to our HIV-1 platform, a fragment of the FeLV transmembrane p15E protein was exposed on FeLV-Gag-based VLPs. After optimization of Gag sequences, the immunogenicity of the selected candidates was evaluated in C57BL/6 and BALB/c mice, showing strong cellular and humoral responses to Gag but failing to generate anti-p15E antibodies. Altogether, this study not only tests the versatility of the enveloped VLP-based vaccine platform but also sheds light on FeLV vaccine research.
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Affiliation(s)
- Raquel Ortiz
- AIDS Research Institute, IrsiCaixa, Campus Can Ruti, 08916 Badalona, Spain
- Doctorate School, Microbiology Department, Universitat Autònoma de Barcelona, 08193 Bellaterra, Spain
| | - Ana Barajas
- AIDS Research Institute, IrsiCaixa, Campus Can Ruti, 08916 Badalona, Spain
- Doctorate School, Medicine Department, University of Vic-Central University of Catalonia (UVic-UCC), 08500 Vic, Spain
| | - Anna Pons-Grífols
- AIDS Research Institute, IrsiCaixa, Campus Can Ruti, 08916 Badalona, Spain
- Doctorate School, Microbiology Department, Universitat Autònoma de Barcelona, 08193 Bellaterra, Spain
| | - Benjamin Trinité
- AIDS Research Institute, IrsiCaixa, Campus Can Ruti, 08916 Badalona, Spain
| | | | - Carla Rovirosa
- AIDS Research Institute, IrsiCaixa, Campus Can Ruti, 08916 Badalona, Spain
| | - Victor Urrea
- AIDS Research Institute, IrsiCaixa, Campus Can Ruti, 08916 Badalona, Spain
| | | | | | | | | | - Bonaventura Clotet
- AIDS Research Institute, IrsiCaixa, Campus Can Ruti, 08916 Badalona, Spain
- Doctorate School, Medicine Department, University of Vic-Central University of Catalonia (UVic-UCC), 08500 Vic, Spain
- Infectious Diseases Department, Germans Trias I Pujol Hospital, 08916 Badalona, Spain
| | - Jorge Carrillo
- AIDS Research Institute, IrsiCaixa, Campus Can Ruti, 08916 Badalona, Spain
- CIBERINFEC, ISCIII, 28029 Madrid, Spain
| | | | - Julià Blanco
- AIDS Research Institute, IrsiCaixa, Campus Can Ruti, 08916 Badalona, Spain
- Doctorate School, Microbiology Department, Universitat Autònoma de Barcelona, 08193 Bellaterra, Spain
- Doctorate School, Medicine Department, University of Vic-Central University of Catalonia (UVic-UCC), 08500 Vic, Spain
- CIBERINFEC, ISCIII, 28029 Madrid, Spain
- Germans Trias I Pujol Research Institute (IGTP), Campus Can Ruti, 08916 Badalona, Spain
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40
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Chang CC, Algaissi A, Lai CC, Chang CK, Lin JS, Wang YS, Chang BH, Chang YC, Chen WT, Fan YQ, Peng BH, Chao CY, Tzeng SR, Liang PH, Sung WC, Hu AYC, Chang SC, Chang MF. Subunit vaccines with a saponin-based adjuvant boost humoral and cellular immunity to MERS coronavirus. Vaccine 2023; 41:3337-3346. [PMID: 37085450 PMCID: PMC10083212 DOI: 10.1016/j.vaccine.2023.04.006] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2022] [Revised: 02/15/2023] [Accepted: 04/03/2023] [Indexed: 04/23/2023]
Abstract
Middle East respiratory syndrome coronavirus (MERS-CoV) outbreaks have constituted a public health issue with drastic mortality higher than 34%, necessitating the development of an effective vaccine. During MERS-CoV infection, the trimeric spike protein on the viral envelope is primarily responsible for attachment to host cellular receptor, dipeptidyl peptidase 4 (DPP4). With the goal of generating a protein-based prophylactic, we designed a subunit vaccine comprising the recombinant S1 protein with a trimerization motif (S1-Fd) and examined its immunogenicity and protective immune responses in combination with various adjuvants. We found that sera from immunized wild-type and human DPP4 transgenic mice contained S1-specific antibodies that can neutralize MERS-CoV infection in susceptible cells. Vaccination with S1-Fd protein in combination with a saponin-based QS-21 adjuvant provided long-term humoral as well as cellular immunity in mice. Our findings highlight the significance of the trimeric S1 protein in the development of MERS-CoV vaccines and offer a suitable adjuvant, QS-21, to induce robust and prolonged memory T cell response.
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Affiliation(s)
- Chi-Chieh Chang
- Institute of Biochemistry and Molecular Biology, College of Medicine, National Taiwan University, Taipei 10051, Taiwan
| | - Abdullah Algaissi
- Department of Microbiology and Immunology, The University of Texas Medical Branch, Galveston, TX 77555, USA; Center for Biodefense and Emerging Disease, The University of Texas Medical Branch, Galveston, TX 77555, USA
| | - Chia-Chun Lai
- National Institute of Infectious Diseases and Vaccinology, National Health Research Institutes, Miaoli County 35053, Taiwan; College of Life Science, National Tsing Hua University, Hsinchu 30013, Taiwan
| | - Chun-Kai Chang
- School of Pharmacy, College of Medicine, National Taiwan University, Taipei 100025, Taiwan
| | - Jr-Shiuan Lin
- Graduate Institute of Immunology, College of Medicine, National Taiwan University, Taipei 10051, Taiwan
| | - Yi-Shiang Wang
- Institute of Biochemistry and Molecular Biology, College of Medicine, National Taiwan University, Taipei 10051, Taiwan
| | - Bo-Hau Chang
- Institute of Biochemistry and Molecular Biology, College of Medicine, National Taiwan University, Taipei 10051, Taiwan
| | - Yu-Chiuan Chang
- Institute of Biochemistry and Molecular Biology, College of Medicine, National Taiwan University, Taipei 10051, Taiwan
| | - Wei-Ting Chen
- Department of Physics, National Taiwan University, Taipei 10617, Taiwan
| | - Yong-Qing Fan
- Institute of Biochemistry and Molecular Biology, College of Medicine, National Taiwan University, Taipei 10051, Taiwan
| | - Bi-Hung Peng
- Department of Neurosciences, The University of Texas Medical Branch, Galveston, TX 77555, USA
| | - Chih-Yu Chao
- Department of Physics, National Taiwan University, Taipei 10617, Taiwan
| | - Shiou-Ru Tzeng
- Institute of Biochemistry and Molecular Biology, College of Medicine, National Taiwan University, Taipei 10051, Taiwan
| | - Pi-Hui Liang
- School of Pharmacy, College of Medicine, National Taiwan University, Taipei 100025, Taiwan
| | - Wang-Chou Sung
- National Institute of Infectious Diseases and Vaccinology, National Health Research Institutes, Miaoli County 35053, Taiwan
| | - Alan Yung-Chih Hu
- National Institute of Infectious Diseases and Vaccinology, National Health Research Institutes, Miaoli County 35053, Taiwan
| | - Shin C Chang
- Institute of Microbiology, College of Medicine, National Taiwan University, Taipei 10051, Taiwan
| | - Ming-Fu Chang
- Institute of Biochemistry and Molecular Biology, College of Medicine, National Taiwan University, Taipei 10051, Taiwan.
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41
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Ohba K, Sehara Y, Enoki T, Mineno J, Ozawa K, Mizukami H. Adeno-associated virus vector system controlling capsid expression improves viral quantity and quality. iScience 2023; 26:106487. [PMID: 37096037 PMCID: PMC10122016 DOI: 10.1016/j.isci.2023.106487] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2022] [Revised: 01/13/2023] [Accepted: 03/20/2023] [Indexed: 04/08/2023] Open
Abstract
Adeno-associated virus (AAV) vectors are promising tools for gene therapy. The current AAV vector system produces an abundance of empty capsids that are eliminated before clinical use, leading to increased costs for gene therapy. In the present study, we established an AAV production system that regulates the timing of capsid expression using a tetracycline-dependent promoter. Tetracycline-regulating capsid expression increased viral yield and reduced empty capsids in various serotypes without altering AAV vector infectivity in vitro and in vivo. The replicase expression pattern change observed in the developed AAV vector system improved viral quantity and quality, whereas timing control of capsid expression reduced empty capsids. These findings provide a new perspective on the development of AAV vector production systems in gene therapy.
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Affiliation(s)
- Kenji Ohba
- Division of Genetic Therapeutics, Center for Molecular Medicine, Jichi Medical University, Shimotsuke, Tochigi 329-0498, Japan
- Corresponding author
| | - Yoshihide Sehara
- Division of Genetic Therapeutics, Center for Molecular Medicine, Jichi Medical University, Shimotsuke, Tochigi 329-0498, Japan
| | - Tatsuji Enoki
- CDM Center, TAKARA Bio Inc., Kusatsu, Shiga 525-0058, Japan
| | - Junichi Mineno
- CDM Center, TAKARA Bio Inc., Kusatsu, Shiga 525-0058, Japan
| | - Keiya Ozawa
- Division of Genetic Therapeutics, Center for Molecular Medicine, Jichi Medical University, Shimotsuke, Tochigi 329-0498, Japan
- Department of Immuno-Gene & Cell Therapy (Takara Bio), Jichi Medical University, Shimotsuke, Tochigi 329-0498, Japan
| | - Hiroaki Mizukami
- Division of Genetic Therapeutics, Center for Molecular Medicine, Jichi Medical University, Shimotsuke, Tochigi 329-0498, Japan
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42
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Koopman G, Amacker M, Stegmann T, Verschoor EJ, Verstrepen BE, Bhoelan F, Bemelman D, Böszörményi KP, Fagrouch Z, Kiemenyi-Kayere G, Mortier D, Verel DE, Niphuis H, Acar RF, Kondova I, Kap YS, Bogers WMJM, Mooij P, Fleury S. A low dose of RBD and TLR7/8 agonist displayed on influenza virosome particles protects rhesus macaque against SARS-CoV-2 challenge. Sci Rep 2023; 13:5074. [PMID: 36977691 PMCID: PMC10044094 DOI: 10.1038/s41598-023-31818-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2023] [Accepted: 03/17/2023] [Indexed: 03/30/2023] Open
Abstract
Influenza virosomes serve as antigen delivery vehicles and pre-existing immunity toward influenza improves the immune responses toward antigens. Here, vaccine efficacy was evaluated in non-human primates with a COVID-19 virosome-based vaccine containing a low dose of RBD protein (15 µg) and the adjuvant 3M-052 (1 µg), displayed together on virosomes. Vaccinated animals (n = 6) received two intramuscular administrations at week 0 and 4 and challenged with SARS-CoV-2 at week 8, together with unvaccinated control animals (n = 4). The vaccine was safe and well tolerated and serum RBD IgG antibodies were induced in all animals and in the nasal washes and bronchoalveolar lavages in the three youngest animals. All control animals became strongly sgRNA positive in BAL, while all vaccinated animals were protected, although the oldest vaccinated animal (V1) was transiently weakly positive. The three youngest animals had also no detectable sgRNA in nasal wash and throat. Cross-strain serum neutralizing antibodies toward Wuhan-like, Alpha, Beta, and Delta viruses were observed in animals with the highest serum titers. Pro-inflammatory cytokines IL-8, CXCL-10 and IL-6 were increased in BALs of infected control animals but not in vaccinated animals. Virosomes-RBD/3M-052 prevented severe SARS-CoV-2, as shown by a lower total lung inflammatory pathology score than control animals.
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Grants
- TRANSVAC2 2002-08-AVVAX-COVID-19, TRANSVAC2_TNA2002-08 European Commission
- TRANSVAC2 2002-08-AVVAX-COVID-19, TRANSVAC2_TNA2002-08 European Commission
- TRANSVAC2 2002-08-AVVAX-COVID-19, TRANSVAC2_TNA2002-08 European Commission
- TRANSVAC2 2002-08-AVVAX-COVID-19, TRANSVAC2_TNA2002-08 European Commission
- TRANSVAC2 2002-08-AVVAX-COVID-19, TRANSVAC2_TNA2002-08 European Commission
- TRANSVAC2 2002-08-AVVAX-COVID-19, TRANSVAC2_TNA2002-08 European Commission
- TRANSVAC2 2002-08-AVVAX-COVID-19, TRANSVAC2_TNA2002-08 European Commission
- TRANSVAC2 2002-08-AVVAX-COVID-19, TRANSVAC2_TNA2002-08 European Commission
- TRANSVAC2 2002-08-AVVAX-COVID-19, TRANSVAC2_TNA2002-08 European Commission
- TRANSVAC2 2002-08-AVVAX-COVID-19, TRANSVAC2_TNA2002-08 European Commission
- TRANSVAC2 2002-08-AVVAX-COVID-19, TRANSVAC2_TNA2002-08 European Commission
- TRANSVAC2 2002-08-AVVAX-COVID-19, TRANSVAC2_TNA2002-08 European Commission
- TRANSVAC2 2002-08-AVVAX-COVID-19, TRANSVAC2_TNA2002-08 European Commission
- TRANSVAC2 2002-08-AVVAX-COVID-19, TRANSVAC2_TNA2002-08 European Commission
- TRANSVAC2 2002-08-AVVAX-COVID-19, TRANSVAC2_TNA2002-08 European Commission
- TRANSVAC2 2002-08-AVVAX-COVID-19, TRANSVAC2_TNA2002-08 European Commission
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Affiliation(s)
- Gerrit Koopman
- Department of Virology, Biomedical Primate Research Centre (BPRC), Rijswijk, The Netherlands.
| | - Mario Amacker
- Mymetics SA, 4 Route de La Corniche, 1066, Epalinges, Switzerland
- Department for BioMedical Research DBMR, Department of Pulmonary Medicine, Inselspital, Bern University Hospital, University of Bern, 3008, Bern, Switzerland
| | - Toon Stegmann
- Mymetics BV, JH Oortweg 21, 2333 CH, Leiden, The Netherlands
| | - Ernst J Verschoor
- Department of Virology, Biomedical Primate Research Centre (BPRC), Rijswijk, The Netherlands
| | - Babs E Verstrepen
- Department of Virology, Biomedical Primate Research Centre (BPRC), Rijswijk, The Netherlands
| | - Farien Bhoelan
- Mymetics BV, JH Oortweg 21, 2333 CH, Leiden, The Netherlands
| | - Denzel Bemelman
- Mymetics BV, JH Oortweg 21, 2333 CH, Leiden, The Netherlands
| | - Kinga P Böszörményi
- Department of Virology, Biomedical Primate Research Centre (BPRC), Rijswijk, The Netherlands
| | - Zahra Fagrouch
- Department of Virology, Biomedical Primate Research Centre (BPRC), Rijswijk, The Netherlands
| | | | - Daniella Mortier
- Department of Virology, Biomedical Primate Research Centre (BPRC), Rijswijk, The Netherlands
| | - Dagmar E Verel
- Department of Virology, Biomedical Primate Research Centre (BPRC), Rijswijk, The Netherlands
| | - Henk Niphuis
- Department of Virology, Biomedical Primate Research Centre (BPRC), Rijswijk, The Netherlands
| | - Roja Fidel Acar
- Department of Virology, Biomedical Primate Research Centre (BPRC), Rijswijk, The Netherlands
| | - Ivanela Kondova
- Animal Science Department, Biomedical Primate Research Centre (BPRC), Rijswijk, The Netherlands
| | - Yolanda S Kap
- Department of Virology, Biomedical Primate Research Centre (BPRC), Rijswijk, The Netherlands
| | - Willy M J M Bogers
- Department of Virology, Biomedical Primate Research Centre (BPRC), Rijswijk, The Netherlands
| | - Petra Mooij
- Department of Virology, Biomedical Primate Research Centre (BPRC), Rijswijk, The Netherlands
| | - Sylvain Fleury
- Mymetics SA, 4 Route de La Corniche, 1066, Epalinges, Switzerland.
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Brito C, Lourenço C, Magalhães J, Reis S, Borges M. Nanoparticles as a Delivery System of Antigens for the Development of an Effective Vaccine against Toxoplasma gondii. Vaccines (Basel) 2023; 11:vaccines11040733. [PMID: 37112645 PMCID: PMC10142924 DOI: 10.3390/vaccines11040733] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2023] [Revised: 03/10/2023] [Accepted: 03/21/2023] [Indexed: 03/29/2023] Open
Abstract
Nanoparticles include particles ranging in size from nanometers to micrometers, whose physicochemical characteristics are optimized to make them appropriate delivery vehicles for drugs or immunogens important in the fight and/or prevention of infectious diseases. There has been a rise in the use of nanoparticles in preventive vaccine formulations as immunostimulatory adjuvants, and as vehicles for immunogen delivery to target immune cells. Toxoplasma is important worldwide, and may cause human toxoplasmosis. In immunocompetent hosts, infection is usually asymptomatic, but in immunocompromised patients it can cause serious neurological and ocular consequences, such as encephalitis and retinochoroiditis. Primary infection during pregnancy may cause abortion or congenital toxoplasmosis. Currently, there is no effective human vaccine against this disease. Evidence has emerged from several experimental studies testing nanovaccines showing them to be promising tools in the prevention of experimental toxoplasmosis. For the present study, a literature review was carried out on articles published over the last 10 years through the PubMed database, pertaining to in vivo experimental models of T. gondii infection where nanovaccines were tested and protection and immune responses evaluated. This review aims to highlight the way forward in the search for an effective vaccine for toxoplasmosis.
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44
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Li Y, Sun R, Li S, Tan Z, Li Z, Liu Y, Guo Y, Huang J. ASFV proteins presented at the surface of T7 phages induce strong antibody responses in mice. J Virol Methods 2023; 316:114725. [PMID: 36965632 DOI: 10.1016/j.jviromet.2023.114725] [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: 01/24/2023] [Revised: 03/21/2023] [Accepted: 03/22/2023] [Indexed: 03/27/2023]
Abstract
African swine fever virus (ASFV) infection causes substantial economic losses to the swine industry worldwide, and there are still no safe and effective vaccines or therapeutics available. The granulated virus antigen improves the antigen present process and elicits high antibody reaction than the subunit antigen. In this study, the SpyTag peptide-p10 fusion protein was altered and displayed on the surface of the T7 phage to construct an engineered phage (T7-ST). At the same time, ASFV antigen-Spycatcher C-terminal-fused protein (antigen-SC) was expressed and purified by an E. coli prokaryotic expression system. Five virus-like particles (VLPs) displaying the main ASFV antigenic proteins P30, P54, P72, CD2v, and K145R were reconstructed by the isopeptide bond between SpyTag and antigen-SC proteins. The stability of five ASFV VLPs in high temperature and extreme pH conditions was evaluated by transmission electron microscopy (TEM) and plaque analysis. All ASFV VLPs induced a high titer antigen-specific antibody response in mice. Our results showed that the granulated antigen displaying ASFV protein on the surface of the T7 phage provides a robust potential vaccine and diagnostic tool to address the challenge of the ASFV pandemic.
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Affiliation(s)
- Yuanfang Li
- School of Life Sciences, Tianjin University, Tianjin, China, 300072
| | - Ruiqi Sun
- School of Life Sciences, Tianjin University, Tianjin, China, 300072
| | - Shujun Li
- School of Life Sciences, Tianjin University, Tianjin, China, 300072
| | - Zheng Tan
- School of Life Sciences, Tianjin University, Tianjin, China, 300072
| | - Zexing Li
- School of Life Sciences, Tianjin University, Tianjin, China, 300072
| | - Yebin Liu
- China Institute of Veterinary Drug Control, Beijing, China, 100081
| | - Yanyu Guo
- School of Life Sciences, Tianjin University, Tianjin, China, 300072.
| | - Jinhai Huang
- School of Life Sciences, Tianjin University, Tianjin, China, 300072.
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45
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Radiom M, Keys T, Turgay Y, Ali A, Preet S, Chesnov S, Lutz-Bueno V, Slack E, Mezzenga R. Mechanical tuning of virus-like particles. J Colloid Interface Sci 2023; 634:963-971. [PMID: 36571858 DOI: 10.1016/j.jcis.2022.12.090] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2022] [Revised: 12/18/2022] [Accepted: 12/18/2022] [Indexed: 12/24/2022]
Abstract
HYPOTHESIS Virus-like particles (VLPs) are promising scaffolds for developing mucosal vaccines. For their optimal performance, in addition to design parameters from an immunological perspective, biophysical properties may need to be considered. EXPERIMENTS We investigated the mechanical properties of VLPs scaffolded on the coat protein of Acinetobacter phage AP205 using atomic force microscopy and small angle X-ray scattering. FINDINGS Investigations showed that AP205 VLP is a tough nanoshell of stiffness 93 ± 23 pN/nm and elastic modulus 0.11 GPa. However, its mechanical properties are modulated by attaching muco-inert polyethylene glycol to 46 ± 10 pN/nm and 0.05 GPa. Addition of antigenic peptides derived from SARS-CoV2 spike protein by genetic fusion increased the stiffness to 146 ± 54 pN/nm although the elastic modulus remained unchanged. These results, which are interpreted in terms of shell thickness and coat protein net charge variations, demonstrate that surface conjugation can induce appreciable changes in the biophysical properties of VLP-scaffolded vaccines.
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Affiliation(s)
- Milad Radiom
- Laboratory of Food Immunology, Institute of Food, Nutrition and Health, ETH Zürich, Zürich, Switzerland; Laboratory of Food and Soft Materials, Institute of Food, Nutrition and Health, ETH Zürich, Zürich, Switzerland.
| | - Tim Keys
- Laboratory of Food Immunology, Institute of Food, Nutrition and Health, ETH Zürich, Zürich, Switzerland
| | - Yagmur Turgay
- Laboratory of Food Immunology, Institute of Food, Nutrition and Health, ETH Zürich, Zürich, Switzerland
| | - Ahmed Ali
- Laboratory of Food Immunology, Institute of Food, Nutrition and Health, ETH Zürich, Zürich, Switzerland
| | - Swapan Preet
- Laboratory of Food Immunology, Institute of Food, Nutrition and Health, ETH Zürich, Zürich, Switzerland
| | - Serge Chesnov
- University of Zürich/ETH Zürich, Functional Genomics Centre Zürich, Zürich, Switzerland
| | | | - Emma Slack
- Laboratory of Food Immunology, Institute of Food, Nutrition and Health, ETH Zürich, Zürich, Switzerland.
| | - Raffaele Mezzenga
- Laboratory of Food and Soft Materials, Institute of Food, Nutrition and Health, ETH Zürich, Zürich, Switzerland.
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46
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Ali H, Akbar M, Iqbal B, Ali F, Kant Sharma N, Kumar N, Najmi A, Albratty M, Alhazmi HA, Madkhali OA, Zoghebi K, Shamsher Alam M. Virosome: An engineered virus for vaccine delivery. Saudi Pharm J 2023; 31:752-764. [PMID: 37181145 PMCID: PMC10172599 DOI: 10.1016/j.jsps.2023.03.016] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2023] [Revised: 03/22/2023] [Accepted: 03/24/2023] [Indexed: 04/03/2023] Open
Abstract
The purpose of immunization is the effective cellular and humoral immune response against antigens. Several studies on novel vaccine delivery approaches such as micro-particles, liposomes & nanoparticles, etc. against infectious diseases have been investigated so far. In contrast to the conventional approaches in vaccine development, a virosomes-based vaccine represents the next generation in the field of immunization because of its balance between efficacy and tolerability by virtue of its mechanism of immune instigation. The versatility of virosomes as a vaccine adjuvant, and delivery vehicle of molecules of different nature, such as peptides, nucleic acids, and proteins, as well as provide an insight into the prospect of drug targeting using virosomes. This article focuses on the basics of virosomes, structure, composition formulation and development, advantages, interplay with the immune system, current clinical status, different patents highlighting the applications of virosomes and their status, recent advances, and research associated with virosomes, the efficacy, safety, and tolerability of virosomes based vaccines and the future prospective.
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González-Davis O, Villagrana-Escareño MV, Trujillo MA, Gama P, Chauhan K, Vazquez-Duhalt R. Virus-like nanoparticles as enzyme carriers for Enzyme Replacement Therapy (ERT). Virology 2023; 580:73-87. [PMID: 36791560 DOI: 10.1016/j.virol.2023.01.017] [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: 08/31/2022] [Revised: 01/20/2023] [Accepted: 01/30/2023] [Indexed: 02/09/2023]
Abstract
Enzyme replacement therapy (ERT) has been used to treat a few of the many existing diseases which are originated from the lack of, or low enzymatic activity. Exogenous enzymes are administered to contend with the enzymatic activity deficiency. Enzymatic nanoreactors based on the enzyme encapsulation inside of virus-like particles (VLPs) appear as an interesting alternative for ERT. VLPs are excellent delivery vehicles for therapeutic enzymes as they are biodegradable, uniformly organized, and porous nanostructures that transport and could protect the biocatalyst from the external environment without much affecting the bioactivity. Consequently, significant efforts have been made in the production processes of virus-based enzymatic nanoreactors and their functionalization, which are critically reviewed. The use of virus-based enzymatic nanoreactors for the treatment of lysosomal storage diseases such as Gaucher, Fabry, and Pompe diseases, as well as potential therapies for galactosemia, and Hurler and Hunter syndromes are discussed.
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Affiliation(s)
- Oscar González-Davis
- Centro de Nanociencias y Nanotecnología, Universidad Nacional Autónoma de México, Km 107 carretera, Tijuana-Ensenada, Baja California, 22860, Mexico
| | - Maria V Villagrana-Escareño
- Centro de Nanociencias y Nanotecnología, Universidad Nacional Autónoma de México, Km 107 carretera, Tijuana-Ensenada, Baja California, 22860, Mexico
| | - Mario A Trujillo
- School of Medicine, Universidad Xochicalco, Ensenada, Baja California, Mexico
| | - Pedro Gama
- Centro de Nanociencias y Nanotecnología, Universidad Nacional Autónoma de México, Km 107 carretera, Tijuana-Ensenada, Baja California, 22860, Mexico
| | - Kanchan Chauhan
- Centro de Nanociencias y Nanotecnología, Universidad Nacional Autónoma de México, Km 107 carretera, Tijuana-Ensenada, Baja California, 22860, Mexico
| | - Rafael Vazquez-Duhalt
- Centro de Nanociencias y Nanotecnología, Universidad Nacional Autónoma de México, Km 107 carretera, Tijuana-Ensenada, Baja California, 22860, Mexico.
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Assessing the Efficacy of VLP-Based Vaccine against Epstein-Barr Virus Using a Rabbit Model. Vaccines (Basel) 2023; 11:vaccines11030540. [PMID: 36992124 DOI: 10.3390/vaccines11030540] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2022] [Revised: 02/02/2023] [Accepted: 02/03/2023] [Indexed: 03/02/2023] Open
Abstract
Epstein–Barr virus (EBV) is etiologically associated with a number of malignant and non-malignant conditions. Thus, a prophylactic vaccine against this virus could help to reduce the burden of many EBV-associated diseases. Previously, we reported that an EBV virus-like particle (VLP) vaccine was highly immunogenic and produced a strong humoral response in mice. However, since EBV does not infect mice, the efficacy of the VLP in preventing EBV infection could not be addressed. Here we examined, for the first time, the efficacy of the EBV-VLP vaccine using a novel rabbit model of EBV infection. Animals vaccinated with two doses of VLP elicited higher antibody responses to total EBV antigens compared to animals receiving one dose. Vaccinated animals also elicited both IgM and IgG to EBV-specific antigens, VCA and EBNA1. Analysis of peripheral blood and spleen for EBV copy number indicated that the viral load in both of these compartments was lower in animals receiving a 2-dose vaccine. However, the VLP vaccine was ineffective in preventing EBV infection. With several other EBV vaccine candidates currently at various stages of development and testing, we believe that the rabbit model of EBV infection could be a great platform for evaluating potential candidates.
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England C, TrejoMartinez J, PerezSanchez P, Karki U, Xu J. Plants as Biofactories for Therapeutic Proteins and Antiviral Compounds to Combat COVID-19. Life (Basel) 2023; 13:617. [PMID: 36983772 PMCID: PMC10054913 DOI: 10.3390/life13030617] [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: 01/17/2023] [Revised: 02/14/2023] [Accepted: 02/20/2023] [Indexed: 02/25/2023] Open
Abstract
The outbreak of coronavirus disease 2019 (COVID-19) caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) had a profound impact on the world's health and economy. Although the end of the pandemic may come in 2023, it is generally believed that the virus will not be completely eradicated. Most likely, the disease will become an endemicity. The rapid development of vaccines of different types (mRNA, subunit protein, inactivated virus, etc.) and some other antiviral drugs (Remdesivir, Olumiant, Paxlovid, etc.) has provided effectiveness in reducing COVID-19's impact worldwide. However, the circulating SARS-CoV-2 virus has been constantly mutating with the emergence of multiple variants, which makes control of COVID-19 difficult. There is still a pressing need for developing more effective antiviral drugs to fight against the disease. Plants have provided a promising production platform for both bioactive chemical compounds (small molecules) and recombinant therapeutics (big molecules). Plants naturally produce a diverse range of bioactive compounds as secondary metabolites, such as alkaloids, terpenoids/terpenes and polyphenols, which are a rich source of countless antiviral compounds. Plants can also be genetically engineered to produce valuable recombinant therapeutics. This molecular farming in plants has an unprecedented opportunity for developing vaccines, antibodies, and other biologics for pandemic diseases because of its potential advantages, such as low cost, safety, and high production volume. This review summarizes the latest advancements in plant-derived drugs used to combat COVID-19 and discusses the prospects and challenges of the plant-based production platform for antiviral agents.
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Affiliation(s)
- Corbin England
- Arkansas Biosciences Institute, Arkansas State University, Jonesboro, AR 72401, USA
- Molecular Biosciences Program, Arkansas State University, Jonesboro, AR 72401, USA
| | | | - Paula PerezSanchez
- Department of Biological Sciences, Arkansas State University, Jonesboro, AR 72401, USA
| | - Uddhab Karki
- Arkansas Biosciences Institute, Arkansas State University, Jonesboro, AR 72401, USA
- Molecular Biosciences Program, Arkansas State University, Jonesboro, AR 72401, USA
| | - Jianfeng Xu
- Arkansas Biosciences Institute, Arkansas State University, Jonesboro, AR 72401, USA
- College of Agriculture, Arkansas State University, Jonesboro, AR 72401, USA
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Lee J, Lee SK, Park JS, Lee KR. Plant-made pharmaceuticals: exploring studies for the production of recombinant protein in plants and assessing challenges ahead. PLANT BIOTECHNOLOGY REPORTS 2023; 17:53-65. [PMID: 36820221 PMCID: PMC9931573 DOI: 10.1007/s11816-023-00821-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/24/2022] [Revised: 01/16/2023] [Accepted: 02/06/2023] [Indexed: 06/18/2023]
Abstract
The production of pharmaceutical compounds in plants is attracting increasing attention, as plant-based systems can be less expensive, safer, and more scalable than mammalian, yeast, bacterial, and insect cell expression systems. Here, we review the history and current status of plant-made pharmaceuticals. Producing pharmaceuticals in plants requires pairing the appropriate plant species with suitable transformation technology. Pharmaceuticals have been produced in tobacco, cereals, legumes, fruits, and vegetables via nuclear transformation, chloroplast transformation, transient expression, and transformation of suspension cell cultures. Despite this wide range of species and methods used, most such efforts have involved the nuclear transformation of tobacco. Tobacco readily generates large amounts of biomass, easily accepts foreign genes, and is amenable to stable gene expression via nuclear transformation. Although vaccines, antibodies, and therapeutic proteins have been produced in plants, such pharmaceuticals are not readily utilized by humans due to differences in glycosylation, and few such compounds have been approved due to a lack of clinical data. In addition, achieving an adequate immune response using plant-made pharmaceuticals can be difficult due to low rates of production compared to other expression systems. Various technologies have recently been developed to help overcome these limitations; however, plant systems are expected to increasingly become widely used expression systems for recombinant protein production.
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Affiliation(s)
- Juho Lee
- Department of Agricultural Biotechnology, National Institute of Agricultural Sciences, Rural Development Administration, Jeonju, 54874 Republic of Korea
| | - Seon-Kyeong Lee
- Department of Agricultural Biotechnology, National Institute of Agricultural Sciences, Rural Development Administration, Jeonju, 54874 Republic of Korea
| | - Jong-Sug Park
- Department of Agricultural Biotechnology, National Institute of Agricultural Sciences, Rural Development Administration, Jeonju, 54874 Republic of Korea
| | - Kyeong-Ryeol Lee
- Department of Agricultural Biotechnology, National Institute of Agricultural Sciences, Rural Development Administration, Jeonju, 54874 Republic of Korea
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