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Srisangsung T, Phetphoung T, Manopwisedjaroen S, Rattanapisit K, Bulaon CJI, Thitithanyanont A, Limprasutr V, Strasser R, Phoolcharoen W. The impact of N-glycans on the immune response of plant-produced SARS-CoV-2 RBD-Fc proteins. BIOTECHNOLOGY REPORTS (AMSTERDAM, NETHERLANDS) 2024; 43:e00847. [PMID: 39040987 PMCID: PMC11261281 DOI: 10.1016/j.btre.2024.e00847] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/14/2024] [Revised: 06/11/2024] [Accepted: 06/14/2024] [Indexed: 07/24/2024]
Abstract
Plant-based manufacturing has the advantage of post-translational modifications. While plant-specific N-glycans have been associated with allergic reactions, their effect on the specific immune response upon vaccination is not yet understood. In this study, we produced an RBD-Fc subunit vaccine in both wildtype (WT) and glycoengineered (∆XF) Nicotiana benthamiana plants. The N-glycan analysis: RBD-Fc carrying the ER retention peptide mainly displayed high mannose. When produced in WT RBD-Fc displayed complex-type (GnGnXF) N-glycans. In contrast, ∆XF plants produced RBD-Fc with humanized complex N-glycans that lack potentially immunogenic xylose and core fucose residues (GnGn). The three recombinant RBD-Fc glycovariants were tested. Immunization with any of the RBD-Fc proteins resulted in a similar titer of anti-RBD antibodies in mice. Likewise, antisera from subunit RBD-Fc vaccines also demonstrated comparable neutralization against SARS-CoV-2. Thus, we conclude that N-glycan modifications of the RBD-Fc protein have no impact on their capacity to activate immune responses and induce neutralizing antibody production.
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Affiliation(s)
- Theerakarn Srisangsung
- Center of Excellence in Plant-produced Pharmaceuticals, Chulalongkorn University, Bangkok 10330, Thailand
- Department of Pharmacognosy and Pharmaceutical Botany, Faculty of Pharmaceutical Sciences, Chulalongkorn University, Bangkok 10330, Thailand
| | - Thareeya Phetphoung
- Center of Excellence in Plant-produced Pharmaceuticals, Chulalongkorn University, Bangkok 10330, Thailand
- Department of Pharmacognosy and Pharmaceutical Botany, Faculty of Pharmaceutical Sciences, Chulalongkorn University, Bangkok 10330, Thailand
| | | | | | | | - Arunee Thitithanyanont
- Department of Microbiology, Faculty of Science, Mahidol University, Bangkok 10400, Thailand
| | - Vudhiporn Limprasutr
- Department of Pharmacology and Physiology, Faculty of Pharmaceutical Sciences, Chulalongkorn University, Bangkok 10330, Thailand
| | - Richard Strasser
- Department of Applied Genetics and Cell Biology, University of Natural Resources and Life Sciences, Vienna, Muthgasse 18, 1190 Vienna, Austria
| | - Waranyoo Phoolcharoen
- Center of Excellence in Plant-produced Pharmaceuticals, Chulalongkorn University, Bangkok 10330, Thailand
- Department of Pharmacognosy and Pharmaceutical Botany, Faculty of Pharmaceutical Sciences, Chulalongkorn University, Bangkok 10330, Thailand
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2
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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: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2023] [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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3
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Tiwari P, Srivastava Y, Sharma A, Vinayagam R. Antimicrobial Peptides: The Production of Novel Peptide-Based Therapeutics in Plant Systems. Life (Basel) 2023; 13:1875. [PMID: 37763279 PMCID: PMC10532476 DOI: 10.3390/life13091875] [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: 07/31/2023] [Revised: 08/25/2023] [Accepted: 09/04/2023] [Indexed: 09/29/2023] Open
Abstract
The increased prevalence of antibiotic resistance is alarming and has a significant impact on the economies of emerging and underdeveloped nations. The redundancy of antibiotic discovery platforms (ADPs) and injudicious use of conventional antibiotics has severely impacted millions, across the globe. Potent antimicrobials from biological sources have been extensively explored as a ray of hope to counter the growing menace of antibiotic resistance in the population. Antimicrobial peptides (AMPs) are gaining momentum as powerful antimicrobial therapies to combat drug-resistant bacterial strains. The tremendous therapeutic potential of natural and synthesized AMPs as novel and potent antimicrobials is highlighted by their unique mode of action, as exemplified by multiple research initiatives. Recent advances and developments in antimicrobial discovery and research have increased our understanding of the structure, characteristics, and function of AMPs; nevertheless, knowledge gaps still need to be addressed before these therapeutic options can be fully exploited. This thematic article provides a comprehensive insight into the potential of AMPs as potent arsenals to counter drug-resistant pathogens, a historical overview and recent advances, and their efficient production in plants, defining novel upcoming trends in drug discovery and research. The advances in synthetic biology and plant-based expression systems for AMP production have defined new paradigms in the efficient production of potent antimicrobials in plant systems, a prospective approach to countering drug-resistant pathogens.
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Affiliation(s)
- Pragya Tiwari
- Department of Biotechnology, Yeungnam University, Gyeongsan 38541, Gyeongbuk, Republic of Korea;
| | - Yashdeep Srivastava
- RR Institute of Modern Technology, Dr. A.P.J. Abdul Kalam Technical University, Sitapur Road, Lucknow 226201, Uttar Pradesh, India;
| | - Abhishek Sharma
- Department of Biotechnology and Bioengineering, Institute of Advanced Research, Koba Institutional Area, Gandhinagar 392426, Gujarat, India;
| | - Ramachandran Vinayagam
- Department of Biotechnology, Yeungnam University, Gyeongsan 38541, Gyeongbuk, Republic of Korea;
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Brooks EG, Elorriaga E, Liu Y, Duduit JR, Yuan G, Tsai CJ, Tuskan GA, Ranney TG, Yang X, Liu W. Plant Promoters and Terminators for High-Precision Bioengineering. BIODESIGN RESEARCH 2023; 5:0013. [PMID: 37849460 PMCID: PMC10328392 DOI: 10.34133/bdr.0013] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2023] [Accepted: 06/12/2023] [Indexed: 10/19/2023] Open
Abstract
High-precision bioengineering and synthetic biology require fine-tuning gene expression at both transcriptional and posttranscriptional levels. Gene transcription is tightly regulated by promoters and terminators. Promoters determine the timing, tissues and cells, and levels of the expression of genes. Terminators mediate transcription termination of genes and affect mRNA levels posttranscriptionally, e.g., the 3'-end processing, stability, translation efficiency, and nuclear to cytoplasmic export of mRNAs. The promoter and terminator combination affects gene expression. In the present article, we review the function and features of plant core promoters, proximal and distal promoters, and terminators, and their effects on and benchmarking strategies for regulating gene expression.
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Affiliation(s)
- Emily G. Brooks
- Department of Horticultural Science, North Carolina State University, Raleigh, NC 27607, USA
| | - Estefania Elorriaga
- Department of Horticultural Science, North Carolina State University, Raleigh, NC 27607, USA
| | - Yang Liu
- Biosciences Division, Oak Ridge National Laboratory, Oak Ridge, TN 37831, USA
- The Center for Bioenergy Innovation, Oak Ridge National Laboratory, Oak Ridge, TN 37831, USA
| | - James R. Duduit
- Department of Horticultural Science, North Carolina State University, Raleigh, NC 27607, USA
| | - Guoliang Yuan
- Biosciences Division, Oak Ridge National Laboratory, Oak Ridge, TN 37831, USA
- The Center for Bioenergy Innovation, Oak Ridge National Laboratory, Oak Ridge, TN 37831, USA
| | - Chung-Jui Tsai
- The Center for Bioenergy Innovation, Oak Ridge National Laboratory, Oak Ridge, TN 37831, USA
- Warnell School of Forestry and Natural Resource, University of Georgia, Athens, GA 30602, USA
- Department of Plant Biology, University of Georgia, Athens, GA 30602, USA
- Department of Genetics, University of Georgia, Athens, GA 30602, USA
| | - Gerald A. Tuskan
- Biosciences Division, Oak Ridge National Laboratory, Oak Ridge, TN 37831, USA
- The Center for Bioenergy Innovation, Oak Ridge National Laboratory, Oak Ridge, TN 37831, USA
| | - Thomas G. Ranney
- Mountain Crop Improvement Lab, Department of Horticultural Science, Mountain Horticultural Crops Research and Extension Center, North Carolina State University, Mills River, NC 28759, USA
| | - Xiaohan Yang
- The Center for Bioenergy Innovation, Oak Ridge National Laboratory, Oak Ridge, TN 37831, USA
- Warnell School of Forestry and Natural Resource, University of Georgia, Athens, GA 30602, USA
| | - Wusheng Liu
- Department of Horticultural Science, North Carolina State University, Raleigh, NC 27607, USA
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Masuda A, Man Lee J, Miyata T, Sato S, Masuda A, Taniguchi M, Fujita R, Ushijima H, Morimoto K, Ebihara T, Hino M, Kakino K, Mon H, Kusakabe T. High yield production of norovirus GII.4 virus-like particles using silkworm pupae and evaluation of their protective immunogenicity. Vaccine 2023; 41:766-777. [PMID: 36528444 DOI: 10.1016/j.vaccine.2022.12.015] [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: 05/16/2022] [Revised: 11/08/2022] [Accepted: 12/07/2022] [Indexed: 12/23/2022]
Abstract
Noroviruses (NoVs) are one of the major causes of acute viral gastroenteritis in humans. Virus-like particles (VLPs) without genomes that mimic the capsid structure of viruses are promising vaccine candidates for the prevention of NoVs infection. To produce large amounts of recombinant protein, including VLPs, the silkworm-expression vector system (silkworm-BEVS) is an efficient and powerful tool. In this study, we constructed a recombinant baculovirus that expresses VP1 protein, the major structural protein of NoV GII.4. Expression analysis showed that the baculovirus-infected silkworm pupae expressed NoV VP1 protein more efficiently than silkworm larval fat bodies. We obtained about 4.9 mg of purified NoV VP1 protein from only five silkworm pupae. The purified VP1 protein was confirmed by dynamic light scattering and electron microscopy to form VLPs of approximately 40 nm in diameter. Antisera from mice immunized with the antigen blocked NoV VLPs binding to histo-blood group antigens of pig gastric mucin and also blocked NoV infection in intestinal epithelial cells derived from human induced pluripotent stem (iPS) cells. Our findings demonstrated that NoV VLP eliciting protective antibodies could be obtained in milligram quantities from a few silkworm pupae using the silkworm-BEVS.
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Affiliation(s)
- Akitsu Masuda
- Laboratory of Creative Science for Insect Industries, Kyushu University Graduate School of Bioresource and Bioenvironmental Sciences, Motooka 744, Nishi-ku, Fukuoka 819-0395, Japan
| | - Jae Man Lee
- Laboratory of Creative Science for Insect Industries, Kyushu University Graduate School of Bioresource and Bioenvironmental Sciences, Motooka 744, Nishi-ku, Fukuoka 819-0395, Japan
| | - Takeshi Miyata
- Department of Biochemistry and Biotechnology, Faculty of Agriculture, Kagoshima University, 1-21-24 Korimoto, Kagoshima 890-0065, Japan
| | - Shintaro Sato
- Department of Virology, Research Institute for Microbial Diseases, Osaka University, 3-1 Yamadaoka, Suita, Osaka 565-0871, Japan; Department of Microbiology and Immunology, School of Pharmaceutical Sciences, Wakayama Medical University, 25-1 Shichiban-cho, Wakayama 640-8156, Japan
| | - Atsushi Masuda
- Research and Development Household Products Research, Kao Corporation, Minato 1334, Wakayama 640-8580, Japan
| | - Masahiro Taniguchi
- Research and Development Department, KAICO Ltd, 4-1 Kyudaishinmachi, Nishi-ku, Fukuoka 819-0388, Japan
| | - Ryosuke Fujita
- Laboratory of Sanitary Entomology, Kyushu University Graduate School of Bioresource and Bioenvironmental Sciences, Motooka 744, Nishi-ku, Fukuoka 819-0395, Japan
| | - Hiroshi Ushijima
- Division of Microbiology, Department of Pathology and Microbiology, Nihon University School of Medicine, 30-1 Oyaguchi Kamicho, Itabashi-ku, Tokyo 173-8610, Japan
| | - Keisuke Morimoto
- Laboratory of Insect Genome Science, Kyushu University Graduate School of Bioresource and Bioenvironmental Sciences, Motooka 744, Nishi-ku, Fukuoka 819-0395, Japan
| | - Takeru Ebihara
- Laboratory of Insect Genome Science, Kyushu University Graduate School of Bioresource and Bioenvironmental Sciences, Motooka 744, Nishi-ku, Fukuoka 819-0395, Japan
| | - Masato Hino
- Laboratory of Sanitary Entomology, Kyushu University Graduate School of Bioresource and Bioenvironmental Sciences, Motooka 744, Nishi-ku, Fukuoka 819-0395, Japan
| | - Kohei Kakino
- Laboratory of Insect Genome Science, Kyushu University Graduate School of Bioresource and Bioenvironmental Sciences, Motooka 744, Nishi-ku, Fukuoka 819-0395, Japan
| | - Hiroaki Mon
- Laboratory of Insect Genome Science, Kyushu University Graduate School of Bioresource and Bioenvironmental Sciences, Motooka 744, Nishi-ku, Fukuoka 819-0395, Japan
| | - Takahiro Kusakabe
- Laboratory of Insect Genome Science, Kyushu University Graduate School of Bioresource and Bioenvironmental Sciences, Motooka 744, Nishi-ku, Fukuoka 819-0395, Japan.
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6
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Boonyakida J, Khoris IM, Nasrin F, Park EY. Improvement of Modular Protein Display Efficiency in SpyTag-Implemented Norovirus-like Particles. Biomacromolecules 2023; 24:308-318. [PMID: 36475654 DOI: 10.1021/acs.biomac.2c01150] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Genetic fusion and chemical conjugation are the most common approaches for displaying a foreign protein on the surface of virus-like particles (VLPs); however, these methods may negatively affect the formation and stability of VLPs. Here, we aimed to develop a modular display platform for protein decoration on norovirus-like particles (NoV-LPs) by combining the NoV-LP scaffold with the SpyTag/SpyCatcher bioconjugation system, as the NoV-LP is an attractive protein nanoparticle to carry foreign proteins for various applications. The SpyTagged-NoV-LPs were prepared by introducing SpyTag peptide into the C-terminus of the norovirus VP1 protein. To increase surface exposure of the SpyTag peptide on the NoV-LPs, two or three repeated extension linkers (EAAAK) were inserted between the SpyTag peptide and VP1 protein. Fluorescence proteins, EGFP and mCherry, were fused to SpyCatcher and employed as SpyTag conjugation partners. These VP1-SpyTag variants and SpyCatcher-fused EGFP and mCherry were separately expressed in silkworm fat bodies and purified. This study reveals that adding an extension linker did not disrupt the VLP formation; instead, it increased the particle size by 4-6 nm. The conjugation efficiency of the VP1-SpyTag variants with the extended linker improved from ∼15-35 to ∼50-63% based on the densitometric analysis, while it was up to 77% based on an optical quantification of EGFP and mCherry. Results indicate that the linker causes the SpyTag peptides to be positioned further away from the C-termini of VP1 and potentially increases the exposure of the SpyTag to the outer surface of the NoV-LPs, allowing more SpyTag/SpyCatcher complex formation on the VLP surface. Our study provides a strategy for enhancing the conjugation efficiency of NoV-LP and demonstrates the platform's utility for developing vaccines or functional nanoparticles.
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Affiliation(s)
- Jirayu Boonyakida
- Research Institute of Green Science and Technology, Shizuoka University, 836 Ohya, Suruga ward, Shizuoka422-8529, Japan
| | - Indra Memdi Khoris
- Research Institute of Green Science and Technology, Shizuoka University, 836 Ohya, Suruga ward, Shizuoka422-8529, Japan
| | - Fahmida Nasrin
- Research Institute of Green Science and Technology, Shizuoka University, 836 Ohya, Suruga ward, Shizuoka422-8529, Japan
| | - Enoch Y Park
- Research Institute of Green Science and Technology, Shizuoka University, 836 Ohya, Suruga ward, Shizuoka422-8529, Japan
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7
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Mathew M, Thomas J. Tobacco-Based Vaccines, Hopes, and Concerns: A Systematic Review. Mol Biotechnol 2022:10.1007/s12033-022-00627-5. [PMID: 36528727 PMCID: PMC9759281 DOI: 10.1007/s12033-022-00627-5] [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: 08/02/2022] [Accepted: 11/26/2022] [Indexed: 12/23/2022]
Abstract
Emerging infectious diseases have vigorously devastated the global economy and health sector; cost-effective plant-based vaccines (PBV) can be the potential solution to withstand the current health economic crisis. The prominent role of tobacco as an efficient expression system for PBV has been well-established for decades, through this review we highlight the importance of tobacco-based vaccines (TBV) against evolving infectious diseases in humans. Studies focusing on the use of TBV for human infectious diseases were searched in PubMed, Google Scholar, and science direct from 1995 to 2021 using the keywords Tobacco-based vaccines OR transgenic tobacco OR Nicotiana benthamiana vaccines AND Infectious diseases or communicable diseases. We carried out a critical review of the articles and studies that fulfilled the eligibility criteria and were included in this review. Of 976 studies identified, only 63 studies fulfilling the eligibility criteria were included, which focused on either the in vitro, in vivo, or clinical studies on TBV for human infectious diseases. Around 43 in vitro studies of 23 different infectious pathogens expressed in tobacco-based systems were identified and 23 in vivo analysis studies were recognized to check the immunogenicity of vaccine candidates while only 10 of these were subjected to clinical trials. Viral infectious pathogens were studied more than bacterial pathogens. From our review, it was evident that TBV can be an effective health strategy to combat the emerging viral infectious diseases which are very difficult to manage with the current health facilities. The timely administration of cost-effective TBV can prevent the outburst of viral infections, thereby can protect the global healthcare system to a greater extent.
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Affiliation(s)
- Mintu Mathew
- Department of Pharmacology, Amrita School of Pharmacy, Kochi, Kerala India
| | - Jaya Thomas
- Department of Pharmacology, Amrita School of Pharmacy, Kochi, Kerala India
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8
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Khorattanakulchai N, Srisutthisamphan K, Shanmugaraj B, Manopwisedjaroen S, Rattanapisit K, Panapitakkul C, Kemthong T, Suttisan N, Malaivijitnond S, Thitithanyanont A, Jongkaewwattana A, Phoolcharoen W. A recombinant subunit vaccine candidate produced in plants elicits neutralizing antibodies against SARS-CoV-2 variants in macaques. FRONTIERS IN PLANT SCIENCE 2022; 13:901978. [PMID: 36247553 PMCID: PMC9555276 DOI: 10.3389/fpls.2022.901978] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/22/2022] [Accepted: 08/29/2022] [Indexed: 06/16/2023]
Abstract
Since the outbreak of the coronavirus disease (COVID) pandemic in 2019, the development of effective vaccines to combat the infection has been accelerated. With the recent emergence of highly transmissible severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) variants of concern (VOC), there are concerns regarding the immune escape from vaccine-induced immunity. Hence an effective vaccine against VOC with a potent immune response is required. Our previous study confirmed that the two doses of the plant-produced receptor-binding domain (RBD) of SARS-CoV-2 fused with the Fc region of human IgG1, namely Baiya SARS-CoV-2 Vax 1, showed high immunogenicity in mice and monkeys. Here, we aimed to evaluate the immunogenicity of a three-dose intramuscular injection of Baiya SARS-CoV-2 Vax 1 on days 0, 21, and 133 in cynomolgus monkeys. At 14 days after immunization, blood samples were collected to determine RBD-specific antibody titer, neutralizing antibody, and pseudovirus neutralizing antibody titers. Immunized monkeys developed significantly high levels of antigen-specific antibodies against SARS-CoV-2 compared to the control group. Interestingly, the sera collected from immunized monkeys also showed a neutralizing antibody response against the SARS-CoV-2 VOCs; Alpha, Beta, Gamma, Delta, and Omicron. These findings demonstrate that a three-dose regimen of Baiya SARS-CoV-2 Vax 1 vaccine elicits neutralizing immune response against SARS-CoV-2 variants.
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Affiliation(s)
- Narach Khorattanakulchai
- Center of Excellence in Plant-produced Pharmaceuticals, Chulalongkorn University, Bangkok, Thailand
- Department of Pharmacognosy and Pharmaceutical Botany, Faculty of Pharmaceutical Sciences, Chulalongkorn University, Bangkok, Thailand
| | - Kanjana Srisutthisamphan
- Virology and Cell Technology Laboratory, National Center for Genetic Engineering and Biotechnology (BIOTEC), National Science and Technology Development Agency, Pathum Thani, Thailand
| | | | | | | | - Chalisa Panapitakkul
- Center of Excellence in Plant-produced Pharmaceuticals, Chulalongkorn University, Bangkok, Thailand
- Department of Pharmacognosy and Pharmaceutical Botany, Faculty of Pharmaceutical Sciences, Chulalongkorn University, Bangkok, Thailand
| | - Taratorn Kemthong
- National Primate Research Center of Thailand-Chulalongkorn University, Saraburi, Thailand
| | - Nutchanat Suttisan
- National Primate Research Center of Thailand-Chulalongkorn University, Saraburi, Thailand
| | | | | | - Anan Jongkaewwattana
- Virology and Cell Technology Laboratory, National Center for Genetic Engineering and Biotechnology (BIOTEC), National Science and Technology Development Agency, Pathum Thani, Thailand
| | - Waranyoo Phoolcharoen
- Center of Excellence in Plant-produced Pharmaceuticals, Chulalongkorn University, Bangkok, Thailand
- Department of Pharmacognosy and Pharmaceutical Botany, Faculty of Pharmaceutical Sciences, Chulalongkorn University, Bangkok, Thailand
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9
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Abstract
The idea of producing vaccines in plants originated in the late 1980s. Initially, it was contemplated that this notion could facilitate the concept of edible vaccines, making them more cost effective and easily accessible. Initial studies on edible vaccines focussed on the use of a variety of different transgenic plant host species for the production of vaccine antigens. However, adequate expression levels of antigens, the difficulties predicted with administration of consistent doses, and regulatory rules required for growth of transgenic plants gave way to the development of vaccine candidates that could be purified and administered parenterally. The field has subsequently advanced with improved expression techniques including a shift from using transgenic to transient expression of antigens, refinement of purification protocols, a deeper understanding of the biological processes and a wealth of evidence of immunogenicity and efficacy of plant-produced vaccine candidates, all contributing to the successful practice of what is now known as biopharming or plant molecular farming. The establishment of this technology has resulted in the development of many different types of vaccine candidates including subunit vaccines and various different types of nanoparticle vaccines targeting a wide variety of bacterial and viral diseases. This has brought further acceptance of plants as a suitable platform for vaccine production and in this review, we discuss the most recent advances in the production of vaccines in plants for human use.
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Affiliation(s)
- Jennifer Stander
- Biopharming Research Unit, Department of Molecular and Cell Biology, University of Cape Town, Rondebosch, Cape Town, 7700, South Africa
| | - Sandiswa Mbewana
- Biopharming Research Unit, Department of Molecular and Cell Biology, University of Cape Town, Rondebosch, Cape Town, 7700, South Africa
| | - Ann E Meyers
- Biopharming Research Unit, Department of Molecular and Cell Biology, University of Cape Town, Rondebosch, Cape Town, 7700, South Africa.
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10
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Compendium on Food Crop Plants as a Platform for Pharmaceutical Protein Production. Int J Mol Sci 2022; 23:ijms23063236. [PMID: 35328657 PMCID: PMC8951019 DOI: 10.3390/ijms23063236] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2022] [Revised: 03/14/2022] [Accepted: 03/15/2022] [Indexed: 12/14/2022] Open
Abstract
Tremendous advances in crop biotechnology related to the availability of molecular tools and methods developed for transformation and regeneration of specific plant species have been observed. As a consequence, the interest in plant molecular farming aimed at producing the desired therapeutic proteins has significantly increased. Since the middle of the 1980s, recombinant pharmaceuticals have transformed the treatment of many serious diseases and nowadays are used in all branches of medicine. The available systems of the synthesis include wild-type or modified mammalian cells, plants or plant cell cultures, insects, yeast, fungi, or bacteria. Undeniable benefits such as well-characterised breeding conditions, safety, and relatively low costs of production make plants an attractive yet competitive platform for biopharmaceutical production. Some of the vegetable plants that have edible tubers, fruits, leaves, or seeds may be desirable as inexpensive bioreactors because these organs can provide edible vaccines and thus omit the purification step of the final product. Some crucial facts in the development of plant-made pharmaceuticals are presented here in brief. Although crop systems do not require more strictly dedicated optimization of methodologies at any stages of the of biopharmaceutical production process, here we recall the complete framework of such a project, along with theoretical background. Thus, a brief review of the advantages and disadvantages of different systems, the principles for the selection of cis elements for the expression cassettes, and available methods of plant transformation, through to the protein recovery and purification stage, are all presented here. We also outline the achievements in the production of biopharmaceuticals in economically important crop plants and provide examples of their clinical trials and commercialization.
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11
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Tariq H, Batool S, Asif S, Ali M, Abbasi BH. Virus-Like Particles: Revolutionary Platforms for Developing Vaccines Against Emerging Infectious Diseases. Front Microbiol 2022; 12:790121. [PMID: 35046918 PMCID: PMC8761975 DOI: 10.3389/fmicb.2021.790121] [Citation(s) in RCA: 72] [Impact Index Per Article: 36.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2021] [Accepted: 12/10/2021] [Indexed: 02/06/2023] Open
Abstract
Virus-like particles (VLPs) are nanostructures that possess diverse applications in therapeutics, immunization, and diagnostics. With the recent advancements in biomedical engineering technologies, commercially available VLP-based vaccines are being extensively used to combat infectious diseases, whereas many more are in different stages of development in clinical studies. Because of their desired characteristics in terms of efficacy, safety, and diversity, VLP-based approaches might become more recurrent in the years to come. However, some production and fabrication challenges must be addressed before VLP-based approaches can be widely used in therapeutics. This review offers insight into the recent VLP-based vaccines development, with an emphasis on their characteristics, expression systems, and potential applicability as ideal candidates to combat emerging virulent pathogens. Finally, the potential of VLP-based vaccine as viable and efficient immunizing agents to induce immunity against virulent infectious agents, including, SARS-CoV-2 and protein nanoparticle-based vaccines has been elaborated. Thus, VLP vaccines may serve as an effective alternative to conventional vaccine strategies in combating emerging infectious diseases.
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Affiliation(s)
- Hasnat Tariq
- Department of Biotechnology, Quaid-i-Azam University, Islamabad, Pakistan
| | - Sannia Batool
- Department of Biotechnology, Quaid-i-Azam University, Islamabad, Pakistan
| | - Saaim Asif
- Department of Biosciences, COMSATS University, Islamabad, Pakistan
| | - Mohammad Ali
- Center for Biotechnology and Microbiology, University of Swat, Swat, Pakistan
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12
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Boonyakida J, Utomo DIS, Soma FN, Park EY. Two-step purification of tag-free norovirus-like particles from silkworm larvae (Bombyx mori). Protein Expr Purif 2021; 190:106010. [PMID: 34737040 DOI: 10.1016/j.pep.2021.106010] [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: 09/30/2021] [Revised: 10/29/2021] [Accepted: 10/31/2021] [Indexed: 10/19/2022]
Abstract
Recombinantly expressed VP1 of norovirus self-assembled and formed norovirus-like particles (NoV-LPs). This native VP1 was expressed using the Bombyx mori nucleopolyhedrovirus (BmNPV) expression system in silkworm larva. NoV-LPs were collected from silkworm fat body lysate by density gradient centrifugation. To improve the purity of the NoV-LP, the proteins were further purified using immobilized metal affinity chromatography based on the surface exposed side chain of histidine residues. The additional purification led to a highly purified virus-like particle (VLP). The morphology and size of the purified VLPs were examined using a transmission electron microscope, and dynamic light scattering revealed a monodispersed spherical morphology with a diameter of 34 nm. The purified product had a purity of >90% with a recovery yield of 48.7% (equivalent to 930 μg) from crude lysate, obtained from seven silkworm larvae. In addition, the purified VLP could be recognized by antibodies against GII norovirus in sandwich enzyme-linked immunosorbent assay, which indicated that the silkworm-derived VLP is biologically functional as a NoV-LP in its native state, is structurally correct, and exerts its biological function. Our results suggest that the silkworm-derived NoV-LP may be useful for subsequent applications, such as in a vaccine platform. Moreover, the silkworm-based expression system is known for its robustness, facile up-scalability, and relatively low expense compared to insect cell systems.
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Affiliation(s)
- Jirayu Boonyakida
- Department of Bioscience, Graduate School of Science and Technology, Shizuoka University, 836 Ohya, Suruga-ku, Shizuoka, 422-8529, Japan
| | - Doddy Irawan Setyo Utomo
- Department of Bioscience, Graduate School of Science and Technology, Shizuoka University, 836 Ohya, Suruga-ku, Shizuoka, 422-8529, Japan
| | - Fahmida Nasrin Soma
- Research Institute of Green Science and Technology, Shizuoka University, 836 Ohya, Suruga-ku, Shizuoka, 422-8529, Japan
| | - Enoch Y Park
- Department of Bioscience, Graduate School of Science and Technology, Shizuoka University, 836 Ohya, Suruga-ku, Shizuoka, 422-8529, Japan; Research Institute of Green Science and Technology, Shizuoka University, 836 Ohya, Suruga-ku, Shizuoka, 422-8529, Japan.
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13
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Citiulo F, Crosatti C, Cattivelli L, Biselli C. Frontiers in the Standardization of the Plant Platform for High Scale Production of Vaccines. PLANTS (BASEL, SWITZERLAND) 2021; 10:1828. [PMID: 34579360 PMCID: PMC8467261 DOI: 10.3390/plants10091828] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/05/2021] [Revised: 08/30/2021] [Accepted: 09/01/2021] [Indexed: 12/13/2022]
Abstract
The recent COVID-19 pandemic has highlighted the value of technologies that allow a fast setup and production of biopharmaceuticals in emergency situations. The plant factory system can provide a fast response to epidemics/pandemics. Thanks to their scalability and genome plasticity, plants represent advantageous platforms to produce vaccines. Plant systems imply less complicated production processes and quality controls with respect to mammalian and bacterial cells. The expression of vaccines in plants is based on transient or stable transformation systems and the recent progresses in genome editing techniques, based on the CRISPR/Cas method, allow the manipulation of DNA in an efficient, fast, and easy way by introducing specific modifications in specific sites of a genome. Nonetheless, CRISPR/Cas is far away from being fully exploited for vaccine expression in plants. In this review, an overview of the potential conjugation of the renewed vaccine technologies (i.e., virus-like particles-VLPs, and industrialization of the production process) with genome editing to produce vaccines in plants is reported, illustrating the potential advantages in the standardization of the plant platforms, with the overtaking of constancy of large-scale production challenges, facilitating regulatory requirements and expediting the release and commercialization of the vaccine products of genome edited plants.
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Affiliation(s)
- Francesco Citiulo
- GSK Vaccines Institute for Global Health, Via Fiorentina 1, 53100 Siena, Italy;
| | - Cristina Crosatti
- Council for Agricultural Research and Economics, Research Centre for Genomics and Bioinformatics, Via San Protaso 302, 29017 Fiorenzuola d’Arda, Italy; (C.C.); (L.C.)
| | - Luigi Cattivelli
- Council for Agricultural Research and Economics, Research Centre for Genomics and Bioinformatics, Via San Protaso 302, 29017 Fiorenzuola d’Arda, Italy; (C.C.); (L.C.)
| | - Chiara Biselli
- Council for Agricultural Research and Economics, Research Centre for Viticulture and Enology, Viale Santa Margherita 80, 52100 Arezzo, Italy
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14
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Venkataraman S, Hefferon K. Application of Plant Viruses in Biotechnology, Medicine, and Human Health. Viruses 2021; 13:1697. [PMID: 34578279 PMCID: PMC8473230 DOI: 10.3390/v13091697] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2020] [Revised: 07/02/2021] [Accepted: 07/12/2021] [Indexed: 01/06/2023] Open
Abstract
Plant-based nanotechnology programs using virus-like particles (VLPs) and virus nanoparticles (VNPs) are emerging platforms that are increasingly used for a variety of applications in biotechnology and medicine. Tobacco mosaic virus (TMV) and potato virus X (PVX), by virtue of having high aspect ratios, make ideal platforms for drug delivery. TMV and PVX both possess rod-shaped structures and single-stranded RNA genomes encapsidated by their respective capsid proteins and have shown great promise as drug delivery systems. Cowpea mosaic virus (CPMV) has an icosahedral structure, and thus brings unique benefits as a nanoparticle. The uses of these three plant viruses as either nanostructures or expression vectors for high value pharmaceutical proteins such as vaccines and antibodies are discussed extensively in the following review. In addition, the potential uses of geminiviruses in medical biotechnology are explored. The uses of these expression vectors in plant biotechnology applications are also discussed. Finally, in this review, we project future prospects for plant viruses in the fields of medicine, human health, prophylaxis, and therapy of human diseases.
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Affiliation(s)
| | - Kathleen Hefferon
- Department of Cell and Systems Biology, University of Toronto, Toronto, ON M5S 3B2, Canada;
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15
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Venkataraman S, Hefferon K, Makhzoum A, Abouhaidar M. Combating Human Viral Diseases: Will Plant-Based Vaccines Be the Answer? Vaccines (Basel) 2021; 9:vaccines9070761. [PMID: 34358177 PMCID: PMC8310141 DOI: 10.3390/vaccines9070761] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2021] [Revised: 07/02/2021] [Accepted: 07/04/2021] [Indexed: 12/28/2022] Open
Abstract
Molecular pharming or the technology of application of plants and plant cell culture to manufacture high-value recombinant proteins has progressed a long way over the last three decades. Whether generated in transgenic plants by stable expression or in plant virus-based transient expression systems, biopharmaceuticals have been produced to combat several human viral diseases that have impacted the world in pandemic proportions. Plants have been variously employed in expressing a host of viral antigens as well as monoclonal antibodies. Many of these biopharmaceuticals have shown great promise in animal models and several of them have performed successfully in clinical trials. The current review elaborates the strategies and successes achieved in generating plant-derived vaccines to target several virus-induced health concerns including highly communicable infectious viral diseases. Importantly, plant-made biopharmaceuticals against hepatitis B virus (HBV), hepatitis C virus (HCV), the cancer-causing virus human papillomavirus (HPV), human immunodeficiency virus (HIV), influenza virus, zika virus, and the emerging respiratory virus, severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2) have been discussed. The use of plant virus-derived nanoparticles (VNPs) and virus-like particles (VLPs) in generating plant-based vaccines are extensively addressed. The review closes with a critical look at the caveats of plant-based molecular pharming and future prospects towards further advancements in this technology. The use of biopharmed viral vaccines in human medicine and as part of emergency response vaccines and therapeutics in humans looks promising for the near future.
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Affiliation(s)
- Srividhya Venkataraman
- Virology Laboratory, Department of Cell & Systems Biology, University of Toronto, Toronto, ON M5S 3B2, Canada; (K.H.); (M.A.)
- Correspondence:
| | - Kathleen Hefferon
- Virology Laboratory, Department of Cell & Systems Biology, University of Toronto, Toronto, ON M5S 3B2, Canada; (K.H.); (M.A.)
| | - Abdullah Makhzoum
- Department of Biological Sciences & Biotechnology, Botswana International University of Science & Technology, Palapye, Botswana;
| | - Mounir Abouhaidar
- Virology Laboratory, Department of Cell & Systems Biology, University of Toronto, Toronto, ON M5S 3B2, Canada; (K.H.); (M.A.)
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16
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Siriwattananon K, Manopwisedjaroen S, Shanmugaraj B, Rattanapisit K, Phumiamorn S, Sapsutthipas S, Trisiriwanich S, Prompetchara E, Ketloy C, Buranapraditkun S, Wijagkanalan W, Tharakhet K, Kaewpang P, Leetanasaksakul K, Kemthong T, Suttisan N, Malaivijitnond S, Ruxrungtham K, Thitithanyanont A, Phoolcharoen W. Plant-Produced Receptor-Binding Domain of SARS-CoV-2 Elicits Potent Neutralizing Responses in Mice and Non-human Primates. FRONTIERS IN PLANT SCIENCE 2021; 12:682953. [PMID: 34054909 PMCID: PMC8158422 DOI: 10.3389/fpls.2021.682953] [Citation(s) in RCA: 38] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/19/2021] [Accepted: 04/15/2021] [Indexed: 05/11/2023]
Abstract
The emergence of coronavirus disease 2019 (COVID-19) caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) has affected global public health and economy. Despite the substantial efforts, only few vaccines are currently approved and some are in the different stages of clinical trials. As the disease rapidly spreads, an affordable and effective vaccine is urgently needed. In this study, we investigated the immunogenicity of plant-produced receptor-binding domain (RBD) of SARS-CoV-2 in order to use as a subunit vaccine. In this regard, RBD of SARS-CoV-2 was fused with Fc fragment of human IgG1 and transiently expressed in Nicotiana benthamiana by agroinfiltration. The plant-produced RBD-Fc fusion protein was purified from the crude extract by using protein A affinity column chromatography. Two intramuscular administration of plant-produced RBD-Fc protein formulated with alum as an adjuvant have elicited high neutralization titers in immunized mice and cynomolgus monkeys. Further it has induced a mixed Th1/Th2 immune responses and vaccine-specific T-lymphocyte responses which was confirmed by interferon-gamma (IFN-γ) enzyme-linked immunospot assay. Altogether, our results demonstrated that the plant-produced SARS-CoV-2 RBD has the potential to be used as an effective vaccine candidate against SARS-CoV-2. To our knowledge, this is the first report demonstrating the immunogenicity of plant-produced SARS-CoV-2 RBD protein in mice and non-human primates.
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Affiliation(s)
- Konlavat Siriwattananon
- Research Unit for Plant-produced Pharmaceuticals, Chulalongkorn University, Bangkok, Thailand
- Department of Pharmacognosy and Pharmaceutical Botany, Faculty of Pharmaceutical Sciences, Chulalongkorn University, Bangkok, Thailand
| | | | | | | | - Supaporn Phumiamorn
- Department of Medical Sciences, Ministry of Public Health, Institute of Biological Products, Nonthaburi, Thailand
| | - Sompong Sapsutthipas
- Department of Medical Sciences, Ministry of Public Health, Institute of Biological Products, Nonthaburi, Thailand
| | - Sakalin Trisiriwanich
- Department of Medical Sciences, Ministry of Public Health, Institute of Biological Products, Nonthaburi, Thailand
| | - Eakachai Prompetchara
- Faculty of Medicine, Center of Excellence in Vaccine Research and Development (Chula Vaccine Research Center, Chula VRC), Chulalongkorn University, Bangkok, Thailand
- Department of Laboratory Medicine, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand
| | - Chutitorn Ketloy
- Faculty of Medicine, Center of Excellence in Vaccine Research and Development (Chula Vaccine Research Center, Chula VRC), Chulalongkorn University, Bangkok, Thailand
- Department of Laboratory Medicine, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand
| | - Supranee Buranapraditkun
- Faculty of Medicine, Center of Excellence in Vaccine Research and Development (Chula Vaccine Research Center, Chula VRC), Chulalongkorn University, Bangkok, Thailand
- Department of Medicine, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand
| | | | - Kittipan Tharakhet
- Faculty of Medicine, Center of Excellence in Vaccine Research and Development (Chula Vaccine Research Center, Chula VRC), Chulalongkorn University, Bangkok, Thailand
| | - Papatsara Kaewpang
- Faculty of Medicine, Center of Excellence in Vaccine Research and Development (Chula Vaccine Research Center, Chula VRC), Chulalongkorn University, Bangkok, Thailand
| | - Kantinan Leetanasaksakul
- National Center for Genetic Engineering and Biotechnology (BIOTEC), National Science and Technology Development Agency, Pathum Thani, Thailand
| | - Taratorn Kemthong
- National Primate Research Center of Thailand-Chulalongkorn University, Saraburi, Thailand
| | - Nutchanat Suttisan
- National Primate Research Center of Thailand-Chulalongkorn University, Saraburi, Thailand
| | | | - Kiat Ruxrungtham
- Faculty of Medicine, Center of Excellence in Vaccine Research and Development (Chula Vaccine Research Center, Chula VRC), Chulalongkorn University, Bangkok, Thailand
- Department of Medicine, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand
| | | | - Waranyoo Phoolcharoen
- Research Unit for Plant-produced Pharmaceuticals, Chulalongkorn University, Bangkok, Thailand
- Department of Pharmacognosy and Pharmaceutical Botany, Faculty of Pharmaceutical Sciences, Chulalongkorn University, Bangkok, Thailand
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17
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N-terminal VP1 Truncations Favor T = 1 Norovirus-Like Particles. Vaccines (Basel) 2020; 9:vaccines9010008. [PMID: 33374273 PMCID: PMC7824077 DOI: 10.3390/vaccines9010008] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2020] [Revised: 12/18/2020] [Accepted: 12/21/2020] [Indexed: 12/20/2022] Open
Abstract
Noroviruses cause immense sporadic gastroenteritis outbreaks worldwide. Emerging genotypes, which are divided based on the sequence of the major capsid protein VP1, further enhance this public threat. Self-assembling properties of the human norovirus major capsid protein VP1 are crucial for using virus-like particles (VLPs) for vaccine development. However, there is no vaccine available yet. Here, VLPs from different variants produced in insect cells were characterized in detail using a set of biophysical and structural tools. We used native mass spectrometry, gas-phase electrophoretic mobility molecular analysis, and proteomics to get clear insights into particle size, structure, and composition, as well as stability. Generally, noroviruses have been known to form mainly T = 3 particles. Importantly, we identified a major truncation in the capsid proteins as a likely cause for the formation of T = 1 particles. For vaccine development, particle production needs to be a reproducible, reliable process. Understanding the underlying processes in capsid size variation will help to produce particles of a defined capsid size presenting antigens consistent with intact virions. Next to vaccine production itself, this would be immensely beneficial for bio-/nano-technological approaches using viral particles as carriers or triggers for immunological reactions.
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18
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Watanabe S, Fujimoto Z, Mase M. Development of immunogenic chimeric virus-like particles based on bovine papillomavirus type 6. Vaccine 2020; 38:7774-7779. [PMID: 33164801 DOI: 10.1016/j.vaccine.2020.10.037] [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: 08/17/2020] [Revised: 10/06/2020] [Accepted: 10/11/2020] [Indexed: 11/17/2022]
Abstract
Virus-like particles (VLPs) are considered useful tools for vaccine development because they induce an immune response and are safe. In addition, VLPs may be useful as a platform for the presentation of foreign antigens to elicit immune responses. In this study, we aimed to produce a chimeric VLP composed of L1 protein of bovine papillomavirus type 6 (BPV6-L1) that can display an entire foreign protein on its surface. Based on prediction of the conformational structure of VLP of BPV6-L1 (BPV6-VLP), candidate insertion sites for the foreign protein into BPV6-VLP were identified. Fusion proteins of BPV6-L1 and EGFP as a model foreign protein were constructed and produced. Only the fusion protein in which EGFP was inserted between amino acids 136 and 137 of BPV6-L1 self-assembled into VLPs and did not exhibit hindrance of the conformation of EGFP. Chimeric BPV6-VLP-immunized mice produced specific IgG against both BPV6 and EGFP. This is the first demonstration of the production of an immunogenic, bivalent, chimeric BPV6-VLP incorporating an entire protein for stable surface display. Thus, immunogenic chimeric BPV6-VLP may constitute a promising vaccine platform.
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Affiliation(s)
- Satoko Watanabe
- National Institute of Animal Health, NARO, 3-1-5 Kannondai, Tsukuba, Ibaraki 305-0856, Japan.
| | - Zui Fujimoto
- Advanced Analysis Center, NARO, 2-1-2 Kannondai, Tsukuba, Ibaraki 305-8518, Japan
| | - Masaji Mase
- National Institute of Animal Health, NARO, 3-1-5 Kannondai, Tsukuba, Ibaraki 305-0856, Japan; United Graduate School of Veterinary Sciences, Gifu University, 1-1 Yanagido, Gifu, Gifu 501-1193, Japan
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19
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Shanmugaraj B, I. Bulaon CJ, Phoolcharoen W. Plant Molecular Farming: A Viable Platform for Recombinant Biopharmaceutical Production. PLANTS 2020; 9:plants9070842. [PMID: 32635427 PMCID: PMC7411908 DOI: 10.3390/plants9070842] [Citation(s) in RCA: 105] [Impact Index Per Article: 26.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/01/2020] [Revised: 06/20/2020] [Accepted: 06/30/2020] [Indexed: 12/20/2022]
Abstract
The demand for recombinant proteins in terms of quality, quantity, and diversity is increasing steadily, which is attracting global attention for the development of new recombinant protein production technologies and the engineering of conventional established expression systems based on bacteria or mammalian cell cultures. Since the advancements of plant genetic engineering in the 1980s, plants have been used for the production of economically valuable, biologically active non-native proteins or biopharmaceuticals, the concept termed as plant molecular farming (PMF). PMF is considered as a cost-effective technology that has grown and advanced tremendously over the past two decades. The development and improvement of the transient expression system has significantly reduced the protein production timeline and greatly improved the protein yield in plants. The major factors that drive the plant-based platform towards potential competitors for the conventional expression system are cost-effectiveness, scalability, flexibility, versatility, and robustness of the system. Many biopharmaceuticals including recombinant vaccine antigens, monoclonal antibodies, and other commercially viable proteins are produced in plants, some of which are in the pre-clinical and clinical pipeline. In this review, we consider the importance of a plant- based production system for recombinant protein production, and its potential to produce biopharmaceuticals is discussed.
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Affiliation(s)
- Balamurugan Shanmugaraj
- Research Unit for Plant-Produced Pharmaceuticals, Chulalongkorn University, Bangkok 10330, Thailand;
- Department of Pharmacognosy and Pharmaceutical Botany, Faculty of Pharmaceutical Sciences Chulalongkorn University, Bangkok 10330, Thailand;
| | - Christine Joy I. Bulaon
- Department of Pharmacognosy and Pharmaceutical Botany, Faculty of Pharmaceutical Sciences Chulalongkorn University, Bangkok 10330, Thailand;
| | - Waranyoo Phoolcharoen
- Research Unit for Plant-Produced Pharmaceuticals, Chulalongkorn University, Bangkok 10330, Thailand;
- Department of Pharmacognosy and Pharmaceutical Botany, Faculty of Pharmaceutical Sciences Chulalongkorn University, Bangkok 10330, Thailand;
- Correspondence: ; Tel.: +66-2-218-8359; Fax: +66-2-218-8357
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20
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Diamos AG, Pardhe MD, Sun H, Hunter JGL, Mor T, Meador L, Kilbourne J, Chen Q, Mason HS. Codelivery of improved immune complex and virus-like particle vaccines containing Zika virus envelope domain III synergistically enhances immunogenicity. Vaccine 2020; 38:3455-3463. [PMID: 32173095 PMCID: PMC7102565 DOI: 10.1016/j.vaccine.2020.02.089] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2019] [Revised: 02/04/2020] [Accepted: 02/29/2020] [Indexed: 12/29/2022]
Abstract
Zika virus (ZIKV) reemergence poses a significant health threat especially due to its risks to fetal development, necessitating safe and effective vaccines that can protect pregnant women. Zika envelope domain III (ZE3) has been identified as a safe and effective vaccine candidate, however it is poorly immunogenic. We previously showed that plant-made recombinant immune complex (RIC) vaccines are a robust platform to improve the immunogenicity of weak antigens. In this study, we altered the antigen fusion site on the RIC platform to accommodate N-terminal fusion to the IgG heavy chain (N-RIC), and thus a wider range of antigens, with a resulting 40% improvement in RIC expression over the normal C-terminal fusion (C-RIC). Both types of RICs containing ZE3 were efficiently assembled in plants and purified to >95% homogeneity with a simple one-step purification. Both ZE3 RICs strongly bound complement receptor C1q and elicited strong ZE3-specific antibody titers that correlated with ZIKV neutralization. When either N-RIC or C-RIC was codelivered with plant-produced hepatitis B core (HBc) virus-like particles (VLP) displaying ZE3, the combination elicited 5-fold greater antibody titers (>1,000,000) and more strongly neutralized ZIKV than either RICs or VLPs alone, after only two doses without adjuvant. These findings demonstrate that antigens that require a free N-terminus for optimal antigen display can now be used with the RIC system, and that plant-made RICs and VLPs are highly effective vaccines targeting ZE3. Thus, the RIC platform can be more generally applied to a wider variety of antigens.
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Affiliation(s)
- Andrew G Diamos
- Center for Immunotherapy, Vaccines and Virotherapy, The Biodesign Institute, and The School of Life Sciences, Arizona State University, Tempe, AZ 85287-4501, United States
| | - Mary D Pardhe
- Center for Immunotherapy, Vaccines and Virotherapy, The Biodesign Institute, and The School of Life Sciences, Arizona State University, Tempe, AZ 85287-4501, United States
| | - Haiyan Sun
- Center for Immunotherapy, Vaccines and Virotherapy, The Biodesign Institute, and The School of Life Sciences, Arizona State University, Tempe, AZ 85287-4501, United States
| | - Joseph G L Hunter
- Center for Immunotherapy, Vaccines and Virotherapy, The Biodesign Institute, and The School of Life Sciences, Arizona State University, Tempe, AZ 85287-4501, United States
| | - Tsafrir Mor
- Center for Immunotherapy, Vaccines and Virotherapy, The Biodesign Institute, and The School of Life Sciences, Arizona State University, Tempe, AZ 85287-4501, United States
| | - Lydia Meador
- Center for Immunotherapy, Vaccines and Virotherapy, The Biodesign Institute, and The School of Life Sciences, Arizona State University, Tempe, AZ 85287-4501, United States
| | - Jacquelyn Kilbourne
- Center for Immunotherapy, Vaccines and Virotherapy, The Biodesign Institute, and The School of Life Sciences, Arizona State University, Tempe, AZ 85287-4501, United States
| | - Qiang Chen
- Center for Immunotherapy, Vaccines and Virotherapy, The Biodesign Institute, and The School of Life Sciences, Arizona State University, Tempe, AZ 85287-4501, United States
| | - Hugh S Mason
- Center for Immunotherapy, Vaccines and Virotherapy, The Biodesign Institute, and The School of Life Sciences, Arizona State University, Tempe, AZ 85287-4501, United States.
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21
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Diamos AG, Hunter JGL, Pardhe MD, Rosenthal SH, Sun H, Foster BC, DiPalma MP, Chen Q, Mason HS. High Level Production of Monoclonal Antibodies Using an Optimized Plant Expression System. Front Bioeng Biotechnol 2020; 7:472. [PMID: 32010680 PMCID: PMC6978629 DOI: 10.3389/fbioe.2019.00472] [Citation(s) in RCA: 50] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2019] [Accepted: 12/23/2019] [Indexed: 12/04/2022] Open
Abstract
Biopharmaceuticals are a large and fast-growing sector of the total pharmaceutical market with antibody-based therapeutics accounting for over 100 billion USD in sales yearly. Mammalian cells are traditionally used for monoclonal antibody production, however plant-based expression systems have significant advantages. In this work, we showcase recent advances made in plant transient expression systems using optimized geminiviral vectors that can efficiently produce heteromultimeric proteins. Two, three, or four fluorescent proteins were coexpressed simultaneously, reaching high yields of 3–5 g/kg leaf fresh weight or ~50% total soluble protein. As a proof-of-concept for this system, various antibodies were produced using the optimized vectors with special focus given to the creation and production of a chimeric broadly neutralizing anti-flavivirus antibody. The variable regions of this murine antibody, 2A10G6, were codon optimized and fused to a human IgG1. Analysis of the chimeric antibody showed that it was efficiently expressed in plants at 1.5 g of antibody/kilogram of leaf tissue, can be purified to near homogeneity by a simple one-step purification process, retains its ability to recognize the Zika virus envelope protein, and potently neutralizes Zika virus. Two other monoclonal antibodies were produced at similar levels (1.2–1.4 g/kg). This technology will be a versatile tool for the production of a wide spectrum of pharmaceutical multi-protein complexes in a fast, powerful, and cost-effective way.
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Affiliation(s)
- Andrew G Diamos
- Center for Immunotherapy, Vaccines and Virotherapy, The Biodesign Institute, Arizona State University, Tempe, AZ, United States.,School of Life Sciences, Arizona State University, Tempe, AZ, United States
| | - Joseph G L Hunter
- Center for Immunotherapy, Vaccines and Virotherapy, The Biodesign Institute, Arizona State University, Tempe, AZ, United States.,School of Life Sciences, Arizona State University, Tempe, AZ, United States
| | - Mary D Pardhe
- Center for Immunotherapy, Vaccines and Virotherapy, The Biodesign Institute, Arizona State University, Tempe, AZ, United States.,School of Life Sciences, Arizona State University, Tempe, AZ, United States
| | - Sun H Rosenthal
- Center for Immunotherapy, Vaccines and Virotherapy, The Biodesign Institute, Arizona State University, Tempe, AZ, United States.,School of Life Sciences, Arizona State University, Tempe, AZ, United States
| | - Haiyan Sun
- Center for Immunotherapy, Vaccines and Virotherapy, The Biodesign Institute, Arizona State University, Tempe, AZ, United States.,School of Life Sciences, Arizona State University, Tempe, AZ, United States
| | - Bonnie C Foster
- School of Life Sciences, Arizona State University, Tempe, AZ, United States
| | - Michelle P DiPalma
- Center for Immunotherapy, Vaccines and Virotherapy, The Biodesign Institute, Arizona State University, Tempe, AZ, United States.,School of Life Sciences, Arizona State University, Tempe, AZ, United States
| | - Qiang Chen
- Center for Immunotherapy, Vaccines and Virotherapy, The Biodesign Institute, Arizona State University, Tempe, AZ, United States.,School of Life Sciences, Arizona State University, Tempe, AZ, United States
| | - Hugh S Mason
- Center for Immunotherapy, Vaccines and Virotherapy, The Biodesign Institute, Arizona State University, Tempe, AZ, United States.,School of Life Sciences, Arizona State University, Tempe, AZ, United States
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22
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Katayama K. [Review Norovirus]. Uirusu 2020; 70:117-128. [PMID: 34544926 DOI: 10.2222/jsv.70.117] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Noroviruses commonly cause infectious gastroenteritis and massive food poisoning. There is an urgent need to elucidate the infection mechanism of noroviruses and to develop vaccines and therapeutic drugs. In addition to human disease, noroviruses have been implicated in animal disease. Noroviruses that cause murine diseases can be propagated in strained cultured cells, and for many years, murine norovirus has been used as a model for human noroviruses that could not be propagated in cultured cells. That model and advances in technology have been instrumental in basic studies of noroviruses. From structural biology, noroviruses undergo dynamic shape changes to improve their infectivity when they infect cells. New culture techniques have made human intestinal organoids available for studying the mechanisms of pathogenic expression of human noroviruses in the intestinal tract, mechanisms of infection growth, and the search for receptor molecules. Vaccines and antivirals using human intestinal organoids are under active development, and some are already in clinical trials. In this paper, I review the latest research results, vaccine development, and other advances from the history of norovirus discovery.
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Affiliation(s)
- Kazuhiko Katayama
- Laboratory of Viral Infection I, Department of Infection Control and Immunology, Ōmura Satoshi Memorial Institute & Graduate School of Infection Control Sciences, Kitasato University
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Diego-Martin B, González B, Vazquez-Vilar M, Selma S, Mateos-Fernández R, Gianoglio S, Fernández-del-Carmen A, Orzáez D. Pilot Production of SARS-CoV-2 Related Proteins in Plants: A Proof of Concept for Rapid Repurposing of Indoor Farms Into Biomanufacturing Facilities. FRONTIERS IN PLANT SCIENCE 2020; 11:612781. [PMID: 33424908 PMCID: PMC7785703 DOI: 10.3389/fpls.2020.612781] [Citation(s) in RCA: 40] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/30/2020] [Accepted: 12/02/2020] [Indexed: 05/21/2023]
Abstract
The current CoVid-19 crisis is revealing the strengths and the weaknesses of the world's capacity to respond to a global health crisis. A critical weakness has resulted from the excessive centralization of the current biomanufacturing capacities, a matter of great concern, if not a source of nationalistic tensions. On the positive side, scientific data and information have been shared at an unprecedented speed fuelled by the preprint phenomena, and this has considerably strengthened our ability to develop new technology-based solutions. In this work, we explore how, in a context of rapid exchange of scientific information, plant biofactories can serve as a rapid and easily adaptable solution for local manufacturing of bioreagents, more specifically recombinant antibodies. For this purpose, we tested our ability to produce, in the framework of an academic lab and in a matter of weeks, milligram amounts of six different recombinant monoclonal antibodies against SARS-CoV-2 in Nicotiana benthamiana. For the design of the antibodies, we took advantage, among other data sources, of the DNA sequence information made rapidly available by other groups in preprint publications. mAbs were engineered as single-chain fragments fused to a human gamma Fc and transiently expressed using a viral vector. In parallel, we also produced the recombinant SARS-CoV-2 N protein and the receptor binding domain (RBD) of the Spike protein in planta and used them to test the binding specificity of the recombinant mAbs. Finally, for two of the antibodies, we assayed a simple scale-up production protocol based on the extraction of apoplastic fluid. Our results indicate that gram amounts of anti-SARS-CoV-2 antibodies could be easily produced in little more than 6 weeks in repurposed greenhouses with little infrastructure requirements using N. benthamiana as production platform. Similar procedures could be easily deployed to produce diagnostic reagents and, eventually, could be adapted for rapid therapeutic responses.
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Islam MR, Son N, Lee J, Lee DW, Sohn EJ, Hwang I. Production of bacteriophage-encoded endolysin, LysP11, in Nicotiana benthamiana and its activity as a potent antimicrobial agent against Erysipelothrix rhusiopathiae. PLANT CELL REPORTS 2019; 38:1485-1499. [PMID: 31432212 DOI: 10.1007/s00299-019-02459-1] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/20/2019] [Accepted: 08/12/2019] [Indexed: 06/10/2023]
Abstract
KEY MESSAGE We produced a biologically active phage-encoded endolysin, LysP11, in N. benthamiana. Plant-produced LysP11 exhibited robust antimicrobial activity against E. rhusiopathiae, and C-terminal domain of LysP11 bound specifically to E. rhusiopathiae. Bacterial resistance to antibiotics, a serious issue in terms of global public health, is one of the leading causes of death today. Thus, new antimicrobial agents are needed to combat pathogens. Recent research suggests that bacteriophages and endolysins derived from bacteriophages are potential alternatives to traditional antibiotics. Here, we examined the antimicrobial activity of LysP11, which is encoded by Propionibacterium phage P1.1 and comprises an N-terminal amidase-2 domain and a C-terminal domain with no homology to other bacteriophage endolysins. LysP11 was produced in Nicotiana benthamiana (N. benthamiana) using an Agrobacterium-mediated transient expression strategy. LysP11 was purified on microcrystalline cellulose-binding resin after attachment of the Clostridium thermocellum-derived family 3 cellulose-binding domain as an affinity tag. The affinity tag was removed using the small ubiquitin-related modifier (SUMO) domain and SUMO-specific protease. Plant-produced LysP11 showed strong antimicrobial activity toward Erysipelothrix rhusiopathiae (E. rhusiopathiae), mediated via lysis of the cell wall. Lytic activity was optimal at pH 8.0-9.0 (37 °C) and increased at higher concentrations of NaCl up to 400 mM. Furthermore, the C-terminal domain of LysP11 bound specifically to the E. rhusiopathiae cell wall. Based on these results, we propose that LysP11 is a potential candidate antimicrobial agent against E. rhusiopathiae.
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Affiliation(s)
- Md Reyazul Islam
- Division of Integrative Biosciences and Biotechnology, Pohang University of Science and Technology, Pohang, 37673, South Korea
| | - Namil Son
- Division of Integrative Biosciences and Biotechnology, Pohang University of Science and Technology, Pohang, 37673, South Korea
| | - Junho Lee
- Division of Integrative Biosciences and Biotechnology, Pohang University of Science and Technology, Pohang, 37673, South Korea
| | - Dong Wook Lee
- Division of Integrative Biosciences and Biotechnology, Pohang University of Science and Technology, Pohang, 37673, South Korea
| | - Eun-Ju Sohn
- BioApplications Inc., Pohang, 37668, South Korea
| | - Inhwan Hwang
- Division of Integrative Biosciences and Biotechnology, Pohang University of Science and Technology, Pohang, 37673, South Korea.
- Department of Life Sciences, Pohang University of Science and Technology, Pohang, 37673, South Korea.
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Rybicki EP. Plant molecular farming of virus‐like nanoparticles as vaccines and reagents. WILEY INTERDISCIPLINARY REVIEWS-NANOMEDICINE AND NANOBIOTECHNOLOGY 2019; 12:e1587. [DOI: 10.1002/wnan.1587] [Citation(s) in RCA: 49] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/04/2019] [Revised: 07/23/2019] [Accepted: 07/31/2019] [Indexed: 12/31/2022]
Affiliation(s)
- Edward P. Rybicki
- Biopharming Research Unit, Department of Molecular & Cell Biology University of Cape Town Cape Town South Africa
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Abstract
Immunotherapy potentiates a patient’s immune response against some forms of cancer, including malignant tumors. In this Special Report, we have summarized the use of nanoparticles that have been designed for use in cancer immunotherapy with particular emphasis on plant viruses. Plant virus-based nanoparticles are an ideal choice for therapeutic applications, as these nanoparticles are not only capable of targeting the desired cells but also of being safely delivered to the body without posing any threat of infection. Plant viruses can be taken up by tumor cells and can be functionalized as drug delivery vehicles. This Special Report describes how the future of cancer immunotherapy could be a success through the merger of computer-based technology using plant-virus nanoparticles. The nonpathogenic nature of plant viral nanoparticles makes them an ideal choice for therapeutic applications such as cancer. Understanding the molecular mechanisms behind the immune response to cancer has facilitated the use of nanotechnology as an effective cancer therapy. Biologically active self-replicating plant virus particles can be introduced to the bloodstream of the human body and used as effective drug delivery vehicles. This Special Report describes how a combination of computer-based technology and plant-virus nanoparticles can assist in cancer immunotherapy.
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High-resolution cryo-EM structures of outbreak strain human norovirus shells reveal size variations. Proc Natl Acad Sci U S A 2019; 116:12828-12832. [PMID: 31182604 PMCID: PMC6601263 DOI: 10.1073/pnas.1903562116] [Citation(s) in RCA: 41] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023] Open
Abstract
Despite being a leading cause of foodborne illnesses, accounting for 58% of all outbreaks and over 96% of nonbacterial outbreaks, there are no approved treatments available for norovirus infections. Assembled shells of the viruses without genetic materials enclosed are currently being used as candidates for vaccine trials. Although the virus shells have been thought to exist in a single-sized assembly, our structures in near-atomic detail reveal clear variations in size between different outbreak strains, and in spatial and angular arrangements of the antigenic surface spikes. The structures we present serve as valuable templates for facilitating vaccine formulations. Noroviruses are a leading cause of foodborne illnesses worldwide. Although GII.4 strains have been responsible for most norovirus outbreaks, the assembled virus shell structures have been available in detail for only a single strain (GI.1). We present high-resolution (2.6- to 4.1-Å) cryoelectron microscopy (cryo-EM) structures of GII.4, GII.2, GI.7, and GI.1 human norovirus outbreak strain virus-like particles (VLPs). Although norovirus VLPs have been thought to exist in a single-sized assembly, our structures reveal polymorphism between and within genogroups, with small, medium, and large particle sizes observed. Using asymmetric reconstruction, we were able to resolve a Zn2+ metal ion adjacent to the coreceptor binding site, which affected the structural stability of the shell. Our structures serve as valuable templates for facilitating vaccine formulations.
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