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Gaobotse G, Venkataraman S, Mmereke KM, Moustafa K, Hefferon K, Makhzoum A. Recent Progress on Vaccines Produced in Transgenic Plants. Vaccines (Basel) 2022; 10:1861. [PMID: 36366370 PMCID: PMC9698746 DOI: 10.3390/vaccines10111861] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2022] [Revised: 10/27/2022] [Accepted: 10/31/2022] [Indexed: 01/15/2024] Open
Abstract
The development of vaccines from plants has been going on for over two decades now. Vaccine production in plants requires time and a lot of effort. Despite global efforts in plant-made vaccine development, there are still challenges that hinder the realization of the final objective of manufacturing approved and safe products. Despite delays in the commercialization of plant-made vaccines, there are some human vaccines that are in clinical trials. The novel coronavirus (SARS-CoV-2) and its resultant disease, coronavirus disease 2019 (COVID-19), have reminded the global scientific community of the importance of vaccines. Plant-made vaccines could not be more important in tackling such unexpected pandemics as COVID-19. In this review, we explore current progress in the development of vaccines manufactured in transgenic plants for different human diseases over the past 5 years. However, we first explore the different host species and plant expression systems during recombinant protein production, including their shortcomings and benefits. Lastly, we address the optimization of existing plant-dependent vaccine production protocols that are aimed at improving the recovery and purification of these recombinant proteins.
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Affiliation(s)
- Goabaone Gaobotse
- Department of Biological Sciences & Biotechnology, Botswana International University of Science & Technology, Palapye, Botswana
| | - Srividhya Venkataraman
- Virology Laboratory, Department of Cell & Systems Biology, University of Toronto, Toronto, ON M5S 3B2, Canada
| | - Kamogelo M. Mmereke
- Department of Biological Sciences & Biotechnology, Botswana International University of Science & Technology, Palapye, Botswana
| | - Khaled Moustafa
- The Arabic Preprint Server/Arabic Science Archive (ArabiXiv)
| | - Kathleen Hefferon
- Department of Microbiology, Cornell University, Ithaca, NY 14850, USA
| | - Abdullah Makhzoum
- Department of Biological Sciences & Biotechnology, Botswana International University of Science & Technology, Palapye, Botswana
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Wommer L, Meiers P, Kockler I, Ulber R, Kampeis P. Development of a 3D-printed single-use separation chamber for use in mRNA-based vaccine production with magnetic microparticles. Eng Life Sci 2021; 21:573-588. [PMID: 34690630 PMCID: PMC8518576 DOI: 10.1002/elsc.202000120] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2021] [Revised: 03/17/2021] [Accepted: 04/20/2021] [Indexed: 11/08/2022] Open
Abstract
Laboratory protocols using magnetic beads have gained importance in the purification of mRNA for vaccines. Here, the produced mRNA hybridizes specifically to oligo(dT)-functionalized magnetic beads after cell lysis. The mRNA-loaded magnetic beads can be selectively separated using a magnet. Subsequently, impurities are removed by washing steps and the mRNA is eluted. Magnetic separation is utilized in each step, using different buffers such as the lysis/binding buffer. To reduce the time required for purification of larger amounts of mRNA vaccine for clinical trials, high-gradient magnetic separation (HGMS) is suitable. Thereby, magnetic beads are selectively retained in a flow-through separation chamber. To meet the requirements of biopharmaceutical production, a disposable HGMS separation chamber with a certified material (United States Pharmacopeia Class VI) was developed which can be manufactured using 3D printing. Due to the special design, the filter matrix itself is not in contact with the product. The separation chamber was tested with suspensions of oligo(dT)-functionalized Dynabeads MyOne loaded with synthetic mRNA. At a concentration of cB = 1.6-2.1 g·L-1 in lysis/binding buffer, these 1 μm magnetic particles are retained to more than 99.39% at volumetric flows of up to 150 mL·min-1 with the developed SU-HGMS separation chamber. When using the separation chamber with volumetric flow rates below 50 mL·min-1, the retained particle mass is even more than 99.99%.
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Affiliation(s)
- Lars Wommer
- Trier University of Applied SciencesEnvironmental Campus BirkenfeldInstitute for biotechnical Process DesignHoppstädten‐WeiersbachGermany
| | - Patrick Meiers
- Trier University of Applied SciencesEnvironmental Campus BirkenfeldInstitute for biotechnical Process DesignHoppstädten‐WeiersbachGermany
| | - Isabelle Kockler
- Trier University of Applied SciencesEnvironmental Campus BirkenfeldInstitute for biotechnical Process DesignHoppstädten‐WeiersbachGermany
| | - Roland Ulber
- Technical University KaiserslauternInstitute of Bioprocess EngineeringKaiserslauternGermany
| | - Percy Kampeis
- Trier University of Applied SciencesEnvironmental Campus BirkenfeldInstitute for biotechnical Process DesignHoppstädten‐WeiersbachGermany
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Multiplex secretome engineering enhances recombinant protein production and purity. Nat Commun 2020; 11:1908. [PMID: 32313013 PMCID: PMC7170862 DOI: 10.1038/s41467-020-15866-w] [Citation(s) in RCA: 52] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2019] [Accepted: 03/31/2020] [Indexed: 01/20/2023] Open
Abstract
Host cell proteins (HCPs) are process-related impurities generated during biotherapeutic protein production. HCPs can be problematic if they pose a significant metabolic demand, degrade product quality, or contaminate the final product. Here, we present an effort to create a "clean" Chinese hamster ovary (CHO) cell by disrupting multiple genes to eliminate HCPs. Using a model of CHO cell protein secretion, we predict that the elimination of unnecessary HCPs could have a non-negligible impact on protein production. We analyze the HCP content of 6-protein, 11-protein, and 14-protein knockout clones. These cell lines exhibit a substantial reduction in total HCP content (40%-70%). We also observe higher productivity and improved growth characteristics in specific clones. The reduced HCP content facilitates purification of a monoclonal antibody. Thus, substantial improvements can be made in protein titer and purity through large-scale HCP deletion, providing an avenue to increased quality and affordability of high-value biopharmaceuticals.
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Tripathi NK, Shrivastava A. Recent Developments in Bioprocessing of Recombinant Proteins: Expression Hosts and Process Development. Front Bioeng Biotechnol 2019; 7:420. [PMID: 31921823 PMCID: PMC6932962 DOI: 10.3389/fbioe.2019.00420] [Citation(s) in RCA: 242] [Impact Index Per Article: 48.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2019] [Accepted: 11/29/2019] [Indexed: 12/22/2022] Open
Abstract
Infectious diseases, along with cancers, are among the main causes of death among humans worldwide. The production of therapeutic proteins for treating diseases at large scale for millions of individuals is one of the essential needs of mankind. Recent progress in the area of recombinant DNA technologies has paved the way to producing recombinant proteins that can be used as therapeutics, vaccines, and diagnostic reagents. Recombinant proteins for these applications are mainly produced using prokaryotic and eukaryotic expression host systems such as mammalian cells, bacteria, yeast, insect cells, and transgenic plants at laboratory scale as well as in large-scale settings. The development of efficient bioprocessing strategies is crucial for industrial production of recombinant proteins of therapeutic and prophylactic importance. Recently, advances have been made in the various areas of bioprocessing and are being utilized to develop effective processes for producing recombinant proteins. These include the use of high-throughput devices for effective bioprocess optimization and of disposable systems, continuous upstream processing, continuous chromatography, integrated continuous bioprocessing, Quality by Design, and process analytical technologies to achieve quality product with higher yield. This review summarizes recent developments in the bioprocessing of recombinant proteins, including in various expression systems, bioprocess development, and the upstream and downstream processing of recombinant proteins.
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Affiliation(s)
- Nagesh K. Tripathi
- Bioprocess Scale Up Facility, Defence Research and Development Establishment, Gwalior, India
| | - Ambuj Shrivastava
- Division of Virology, Defence Research and Development Establishment, Gwalior, India
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Electrification of Biotechnology: Status quo. ADVANCES IN BIOCHEMICAL ENGINEERING/BIOTECHNOLOGY 2019; 167:1-14. [PMID: 29209791 DOI: 10.1007/10_2017_41] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Interfacing microbial, enzymatic, and electrochemical transformations has led to the new field of electrobiotechnology. Among the plethora of applications (including electric energy generation via pollutant removal), the synthesis of chemicals and energy carriers (e.g. H2) has sparked great interest. The linked transformation of chemical and electric energy may allow the joint utilization of renewable feedstock and sustainable electricity to gain commodities and fuels. The overall field is now referred to as bioelectrosynthesis and is a focus of this book. Starting with the rationale for using bioelectrosynthesis in a bioeconomy, this chapter provides a brief introduction to the field of electrobiotechnology. Subsequently, the chapter discusses the framework for bioelectrosynthesis, which is based on enzymes as well as microorganisms, and provides a definition of bioelectrosynthesis. The chapter concludes with a short overview on the history of the field. Graphical Abstract.
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Schillberg S, Raven N, Spiegel H, Rasche S, Buntru M. Critical Analysis of the Commercial Potential of Plants for the Production of Recombinant Proteins. FRONTIERS IN PLANT SCIENCE 2019; 10:720. [PMID: 31244868 PMCID: PMC6579924 DOI: 10.3389/fpls.2019.00720] [Citation(s) in RCA: 132] [Impact Index Per Article: 26.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/18/2019] [Accepted: 05/16/2019] [Indexed: 05/06/2023]
Abstract
Over the last three decades, the expression of recombinant proteins in plants and plant cells has been promoted as an alternative cost-effective production platform. However, the market is still dominated by prokaryotic and mammalian expression systems, the former offering high production capacity at a low cost, and the latter favored for the production of complex biopharmaceutical products. Although plant systems are now gaining widespread acceptance as a platform for the larger-scale production of recombinant proteins, there is still resistance to commercial uptake. This partly reflects the relatively low yields achieved in plants, as well as inconsistent product quality and difficulties with larger-scale downstream processing. Furthermore, there are only a few cases in which plants have demonstrated economic advantages compared to established and approved commercial processes, so industry is reluctant to switch to plant-based production. Nevertheless, some plant-derived proteins for research or cosmetic/pharmaceutical applications have reached the market, showing that plants can excel as a competitive production platform in some niche areas. Here, we discuss the strengths of plant expression systems for specific applications, but mainly address the bottlenecks that must be overcome before plants can compete with conventional systems, enabling the future commercial utilization of plants for the production of valuable proteins.
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Affiliation(s)
- Stefan Schillberg
- Fraunhofer Institute for Molecular Biology and Applied Ecology IME, Aachen, Germany
- Institute for Phytopathology, Justus-Liebig-University Giessen, Giessen, Germany
- *Correspondence: Stefan Schillberg,
| | - Nicole Raven
- Fraunhofer Institute for Molecular Biology and Applied Ecology IME, Aachen, Germany
| | - Holger Spiegel
- Fraunhofer Institute for Molecular Biology and Applied Ecology IME, Aachen, Germany
| | - Stefan Rasche
- Fraunhofer Institute for Molecular Biology and Applied Ecology IME, Aachen, Germany
- Aachen-Maastricht Institute for Biobased Materials, Geleen, Netherlands
| | - Matthias Buntru
- Fraunhofer Institute for Molecular Biology and Applied Ecology IME, Aachen, Germany
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Kruljec N, Molek P, Hodnik V, Anderluh G, Bratkovič T. Development and Characterization of Peptide Ligands of Immunoglobulin G Fc Region. Bioconjug Chem 2018; 29:2763-2775. [DOI: 10.1021/acs.bioconjchem.8b00395] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Nika Kruljec
- University of Ljubljana, Faculty of Pharmacy, Department of Pharmaceutical Biology, SI-1000 Ljubljana, Slovenia
- University of Ljubljana, Faculty of Medicine, Graduate School of Biomedicine, Ljubljana, SI-1000 Slovenia
| | - Peter Molek
- University of Ljubljana, Faculty of Pharmacy, Department of Pharmaceutical Biology, SI-1000 Ljubljana, Slovenia
| | - Vesna Hodnik
- University of Ljubljana, Biotechnical Faculty, Department of Biology, SI-1000 Ljubljana, Slovenia
- National Institute of Chemistry, Department of Molecular Biology and Nanobiotechnology, SI-1000 Ljubljana, Slovenia
| | - Gregor Anderluh
- National Institute of Chemistry, Department of Molecular Biology and Nanobiotechnology, SI-1000 Ljubljana, Slovenia
| | - Tomaž Bratkovič
- University of Ljubljana, Faculty of Pharmacy, Department of Pharmaceutical Biology, SI-1000 Ljubljana, Slovenia
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Fan Y, Miozzi JM, Stimple SD, Han TC, Wood DW. Column-Free Purification Methods for Recombinant Proteins Using Self-Cleaving Aggregating Tags. Polymers (Basel) 2018; 10:polym10050468. [PMID: 30966502 PMCID: PMC6415421 DOI: 10.3390/polym10050468] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2018] [Revised: 04/18/2018] [Accepted: 04/20/2018] [Indexed: 12/16/2022] Open
Abstract
Conventional column chromatography processes to purify recombinant proteins are associated with high production costs and slow volumetric throughput at both laboratory and large scale. Non-chromatographic purifications based on selective aggregating tags have the potential to reduce costs with acceptable protein yields. A significant drawback, however, is that current proteolytic approaches for post-purification tag removal after are expensive and non-scalable. To address this problem, we have developed two non-chromatographic purification strategies that use either the elastin-like polypeptide (ELP) tag or the β-roll tag (BRT17) in combination with an engineered split intein for tag removal. The use of the split intein eliminates premature cleavage during expression and provides controlled cleavage under mild conditions after purification. These self-cleaving aggregating tags were used to efficiently purify β-lactamase (β-lac), super-folder green fluorescent protein (sfGFP), streptokinase (SK) and maltose binding protein (MBP), resulting in increased yields compared to previous ELP and BRT17-based methods. Observed yields of purified targets for both systems typically ranged from approximately 200 to 300 micrograms per milliliter of cell culture, while overall recoveries ranged from 10 to 85 percent and were highly dependent on the target protein.
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Affiliation(s)
- Yamin Fan
- William G. Lowrie Department of Chemical and Biomolecular Engineering, The Ohio State University, Columbus, OH 43210, USA.
| | - Jackelyn M Miozzi
- William G. Lowrie Department of Chemical and Biomolecular Engineering, The Ohio State University, Columbus, OH 43210, USA.
| | - Samuel D Stimple
- William G. Lowrie Department of Chemical and Biomolecular Engineering, The Ohio State University, Columbus, OH 43210, USA.
| | - Tzu-Chiang Han
- William G. Lowrie Department of Chemical and Biomolecular Engineering, The Ohio State University, Columbus, OH 43210, USA.
| | - David W Wood
- William G. Lowrie Department of Chemical and Biomolecular Engineering, The Ohio State University, Columbus, OH 43210, USA.
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