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Nie J, Ren H, Sun Y, Li Y, Zhang Y, Bai Z. Application of Multivariate Data Analysis on Historical Recombinant Adenovirus Zoster Vaccine Production Data for Upstream Process Improvements. J Pharm Sci 2024; 113:1168-1176. [PMID: 38447668 DOI: 10.1016/j.xphs.2024.02.028] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2023] [Revised: 02/28/2024] [Accepted: 02/29/2024] [Indexed: 03/08/2024]
Abstract
In recent years, multivariate data analysis (MVDA) has been widely used for process characterization and fault diagnosis in the biopharmaceutical industry. This study aims to investigate the feasibility of using MVDA for the development and scale-up of a perfusion process for HEK293 cell-based recombinant adenovirus zoster vaccine (Ad-HER) production. The Principal Component Analysis (PCA) results suggested comparable performance among the ATF, PATFP, and BFP perfusion systems in benchtop-scale stirred-tank bioreactor (STR). Then a Batch Evolution Model (BEM) was built using representative data from 10 L STR with a BFP system to assess the Ad-HER perfusion process performance at pilot-scale bioreactor (50 L STR and 50 L wave bioreactor). Furthermore, another BEM model and Batch Level Model (BLM) were built to monitor process parameters over time and predict the final adenovirus titer in 50 L wave bioreactor. The loading plot revealed that lactate dehydrogenase activity, viable cell diameter, and base-added during the virus production phase could be used as preliminary indicators of adenovirus yield. Finally, an adenovirus titer of 2.0±0.3×1010 IFU/mL was achieved in the 50 L wave bioreactor with BFP system, highlighting the robustness of the Ad-HER perfusion process at pilot-scale. Overall, this study emphasizes the effectiveness of MVDA as a tool for advancing the understanding of recombinant adenovirus vaccine perfusion production process development and scale-up.
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Affiliation(s)
- Jianqi Nie
- Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, School of Life Sciences and Health Engineering, Jiangnan University, Wuxi 214122, China
| | - He Ren
- National Engineering Research Center of Cereal Fermentation and Food Biomanufacturing, Jiangnan University, Wuxi 214122, China
| | - Yang Sun
- School of Life Sciences, Henan University, Kaifeng 475004, China
| | - Ye Li
- National Engineering Research Center of Cereal Fermentation and Food Biomanufacturing, Jiangnan University, Wuxi 214122, China
| | - Yan Zhang
- Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, School of Life Sciences and Health Engineering, Jiangnan University, Wuxi 214122, China.
| | - Zhonghu Bai
- National Engineering Research Center of Cereal Fermentation and Food Biomanufacturing, Jiangnan University, Wuxi 214122, China; The Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, Wuxi 214122, China; Jiangsu Provincial Research Center for Bioactive Product Processing Technology, Jiangnan University, Wuxi 214122, China.
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LeBarre JP, Chu W, Altern SH, Kocot AJ, Bhandari D, Barbieri E, Sly J, Crapanzano M, Cramer SM, Phillips M, Roush D, Carbonell R, Boi C, Menegatti S. Mixed-mode size-exclusion silica resin for polishing human antibodies in flow-through mode. J Chromatogr A 2024; 1720:464772. [PMID: 38452560 DOI: 10.1016/j.chroma.2024.464772] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2023] [Revised: 02/07/2024] [Accepted: 02/25/2024] [Indexed: 03/09/2024]
Abstract
The polishing step in the downstream processing of therapeutic antibodies removes residual impurities from Protein A eluates. Among the various classes of impurities, antibody fragments are especially challenging to remove due to the broad biomolecular diversity generated by a multitude of fragmentation patterns. The current approach to fragment removal relies on ion exchange or mixed-mode adsorbents operated in bind-and-gradient-elution mode. However, fragments that bear strong similarity to the intact product or whose biophysical features deviate from the ensemble average can elude these adsorbents, and the lack of a chromatographic technology enabling robust antibody polishing is recognized as a major gap in downstream bioprocessing. Responding to this challenge, this study introduces size-exclusion mixed-mode (SEMM) silica resins as a novel chromatographic adsorbent for the capture of antibody fragments irrespective of their biomolecular features. The pore diameter of the silica beads features a narrow distribution and is selected to exclude monomeric antibodies, while allowing their fragments to access the pores where they are captured by the mixed-mode ligands. The static and dynamic binding capacity of the adsorbent ranged respectively between 30-45 and 25-33 gs of antibody fragments per liter of resin. Selected SEMM-silica resins also demonstrated the ability to capture antibody aggregates, which adsorb on the outer layer of the beads. Optimization of the SEMM-silica design and operation conditions - namely, pore size (10 nm) and ligand composition (quaternary amine and alkyl chain) as well as the linear velocity (100 cm/h), ionic strength (5.7 mS/cm), and pH (7) of the mobile phase - afforded a significant reduction of both fragments and aggregates, resulting into a final antibody yield up to 80% and monomeric purity above 97%.
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Affiliation(s)
- Jacob P LeBarre
- Department of Chemical and Biomolecular Engineering, North Carolina State University, 911 Partners Way, Raleigh, NC, 27695, USA
| | - Wenning Chu
- Department of Chemical and Biomolecular Engineering, North Carolina State University, 911 Partners Way, Raleigh, NC, 27695, USA
| | - Scott H Altern
- The Howard P. Isermann Department of Chemical and Biological Engineering and the Center for Biotechnology and Interdisciplinary Studies, Rensselaer Polytechnic Institute, 110 8th St, Troy, NY, 12180, USA
| | - Andrew J Kocot
- The Howard P. Isermann Department of Chemical and Biological Engineering and the Center for Biotechnology and Interdisciplinary Studies, Rensselaer Polytechnic Institute, 110 8th St, Troy, NY, 12180, USA
| | - Dipendra Bhandari
- LigaTrap Technologies, Raleigh, 1791 Varsity Dr, Raleigh, NC, 27606, USA
| | - Eduardo Barbieri
- LigaTrap Technologies, Raleigh, 1791 Varsity Dr, Raleigh, NC, 27606, USA
| | - Jae Sly
- LigaTrap Technologies, Raleigh, 1791 Varsity Dr, Raleigh, NC, 27606, USA
| | - Michael Crapanzano
- LigaTrap Technologies, Raleigh, 1791 Varsity Dr, Raleigh, NC, 27606, USA
| | - Steven M Cramer
- The Howard P. Isermann Department of Chemical and Biological Engineering and the Center for Biotechnology and Interdisciplinary Studies, Rensselaer Polytechnic Institute, 110 8th St, Troy, NY, 12180, USA
| | | | - David Roush
- Merck & Co., Inc., 2000 Galloping Hill Rd, Kenilworth, Roush Biopharma Panacea, 20 Squire Terrace, Colts Neck, NJ, 07033, USA
| | - Ruben Carbonell
- Department of Chemical and Biomolecular Engineering, North Carolina State University, 911 Partners Way, Raleigh, NC, 27695, USA; Biomanufacturing Training and Education Center (BTEC), North Carolina State University, 850 Oval Dr, Raleigh, NC 27606, USA
| | - Cristiana Boi
- Department of Chemical and Biomolecular Engineering, North Carolina State University, 911 Partners Way, Raleigh, NC, 27695, USA; Biomanufacturing Training and Education Center (BTEC), North Carolina State University, 850 Oval Dr, Raleigh, NC 27606, USA; Department of Civil, Chemical Environmental and Materials Engineering, University of Bologna, Via Terracini 28, 40131, Bologna, Italy
| | - Stefano Menegatti
- Department of Chemical and Biomolecular Engineering, North Carolina State University, 911 Partners Way, Raleigh, NC, 27695, USA; LigaTrap Technologies, Raleigh, 1791 Varsity Dr, Raleigh, NC, 27606, USA; Biomanufacturing Training and Education Center (BTEC), North Carolina State University, 850 Oval Dr, Raleigh, NC 27606, USA; North Carolina Viral Vector Initiative in Research and Learning (NC-VVIRAL), North Carolina State University, 911 Partners Way, Raleigh, NC, 27695, USA.
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3
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Nie J, Sun Y, Ren H, Huang L, Feng K, Li Y, Bai Z. Optimization of an adenovirus-vectored zoster vaccine production process with chemically defined medium and a perfusion system. Biotechnol Lett 2022; 44:1347-1358. [PMID: 36183022 PMCID: PMC9526465 DOI: 10.1007/s10529-022-03302-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2022] [Accepted: 09/11/2022] [Indexed: 11/02/2022]
Abstract
OBJECTIVES Cells grown in chemically defined medium are sensitive to shear force, potentially resulting in decreased cell growth. We optimized the perfusion process for HEK293 cell-based recombinant adenovirus-vectored zoster vaccine (Ad-HER) production with chemically defined medium. METHODS We first studied the pseudo-continuous strategies in shake flasks as a mimic of the bioreactor equipped with perfusion systems. Using design of experiment (DoE) in shake flasks, we obtained the regression models between Ad-HER titer/virus input-output ratio and three production process parameters: time of infection (TOI), multiplicity of infection (MOI), and virus production pH (pH). We then confirmed the effect of Pluronic F68 (PF-68) at 3.0 g/L on HEK293 cell growth and Ad-HER production in shake flasks and a 2 L benchtop bioreactor. RESULTS The optimized process was scale-up to a 2 L benchtop bioreactor with the PATFP perfusion system, which yielded cell density of 7.4 × 106 cells/mL and Ad-HER titer of 9.8 × 109 IFU/mL at 2 dpi, comparable to the bioreactor with a ATF2 system. CONCLUSION This optimization strategy could be used to develop a robust process with stable cell culture performance and adenovirus titer. Increasing PF-68 concentration in chemically defined medium could protect cells from shear stress generated by perfusion system.
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Affiliation(s)
- Jianqi Nie
- The Key Laboratory of Industrial Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, Wuxi, 214122, China
- National Engineering Research Center of Cereal Fermentation and Food Biomanufacturing, Jiangnan University, Wuxi, 214122, China
| | - Yang Sun
- Institute of Microbial Engineering, School of Life Sciences, Henan University, Kaifeng, 475004, China
- Engineering Research Center for Applied Microbiology of Henan Province, Kaifeng, 475004, China
| | - He Ren
- The Key Laboratory of Industrial Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, Wuxi, 214122, China
- National Engineering Research Center of Cereal Fermentation and Food Biomanufacturing, Jiangnan University, Wuxi, 214122, China
| | - Lingling Huang
- Institute of Microbial Engineering, School of Life Sciences, Henan University, Kaifeng, 475004, China
- Engineering Research Center for Applied Microbiology of Henan Province, Kaifeng, 475004, China
| | - Kai Feng
- Institute of Microbial Engineering, School of Life Sciences, Henan University, Kaifeng, 475004, China
- Engineering Research Center for Applied Microbiology of Henan Province, Kaifeng, 475004, China
| | - Ye Li
- National Engineering Research Center of Cereal Fermentation and Food Biomanufacturing, Jiangnan University, Wuxi, 214122, China.
| | - Zhonghu Bai
- National Engineering Research Center of Cereal Fermentation and Food Biomanufacturing, Jiangnan University, Wuxi, 214122, China.
- The Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, Wuxi, 214122, China.
- Jiangsu Provincial Research Center for Bioactive Product Processing Technology, Jiangnan University, Wuxi, 214122, China.
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Wang H, Yang S, Liu J, Fu Z, Liu Y, Zhou L, Guo H, Lan K, Chen Y. Human adenoviruses: A suspect behind the outbreak of acute hepatitis in children amid the COVID-19 pandemic. CELL INSIGHT 2022; 1:100043. [PMID: 37192861 PMCID: PMC10120317 DOI: 10.1016/j.cellin.2022.100043] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/20/2022] [Revised: 06/06/2022] [Accepted: 06/06/2022] [Indexed: 05/18/2023]
Abstract
As of 10 May 2022, at least 450 cases of pediatric patients with acute hepatitis of unknown cause have been reported worldwide. Human adenoviruses (HAdVs) have been detected in at least 74 cases, including the F type HAdV41 in 18 cases, which indicates that adenoviruses may be associated with this mysterious childhood hepatitis, although other infectious agents or environmental factors cannot be excluded. In this review, we provide a brief introduction of the basic features of HAdVs and describe diseases caused by different HAdVs in humans, aiming to help understand the biology and potential risk of HAdVs and cope with the outbreak of acute child hepatitis.
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Affiliation(s)
- Hongyun Wang
- State Key Laboratory of Virology, Modern Virology Research Center, Institute for Vaccine Research, RNA Institute, College of Life Sciences, Wuhan University, Wuhan, China
| | - Shimin Yang
- State Key Laboratory of Virology, Modern Virology Research Center, Institute for Vaccine Research, RNA Institute, College of Life Sciences, Wuhan University, Wuhan, China
| | - Jiejie Liu
- State Key Laboratory of Virology, Modern Virology Research Center, Institute for Vaccine Research, RNA Institute, College of Life Sciences, Wuhan University, Wuhan, China
| | - Zhiying Fu
- State Key Laboratory of Virology, Modern Virology Research Center, Institute for Vaccine Research, RNA Institute, College of Life Sciences, Wuhan University, Wuhan, China
| | - Yingle Liu
- State Key Laboratory of Virology, Modern Virology Research Center, Institute for Vaccine Research, RNA Institute, College of Life Sciences, Wuhan University, Wuhan, China
| | - Li Zhou
- State Key Laboratory of Virology, Modern Virology Research Center, Institute for Vaccine Research, RNA Institute, College of Life Sciences, Wuhan University, Wuhan, China
| | - Haitao Guo
- Department of Microbiology and Molecular Genetics, Cancer Virology Program, UPMC Hillman Cancer Center, University of Pittsburgh, Pittsburgh, USA
| | - Ke Lan
- State Key Laboratory of Virology, Modern Virology Research Center, Institute for Vaccine Research, RNA Institute, College of Life Sciences, Wuhan University, Wuhan, China
- Department of Infectious Diseases, Frontier Science Center for Immunology and Metabolism, Medical Research Institute, Zhongnan Hospital of Wuhan University, Wuhan University, Wuhan, China
| | - Yu Chen
- State Key Laboratory of Virology, Modern Virology Research Center, Institute for Vaccine Research, RNA Institute, College of Life Sciences, Wuhan University, Wuhan, China
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Sun Y, Huang L, Nie J, Feng K, Liu Y, Bai Z. Development of a perfusion process for serum-free adenovirus vector herpes zoster vaccine production. AMB Express 2022; 12:58. [PMID: 35567723 PMCID: PMC9107214 DOI: 10.1186/s13568-022-01398-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2022] [Accepted: 05/04/2022] [Indexed: 11/10/2022] Open
Abstract
Herpes zoster is caused by reactivation of the varicella zoster virus (VZV). Researching and developing a herpes zoster vaccine will help to decrease the incidence of herpes zoster. To increase the bioreactor productivity, a serum-free HEK293 cell perfusion process with adenovirus vector herpes zoster (rAd-HZ) vaccine production was developed efficiently using the design of experiment (DoE) method. First, serum-free media for HEK293 cells were screened in both batch and semi-perfusion culture modes. Then, three optimal media were employed in a medium mixture design to improve cell culture performance, and the 1:1 mixture of HEK293 medium and MCD293 medium (named HM293 medium) was identified as the optimal formulation. On the basis of the HM293 medium, the relationship of critical process parameters (CPPs), including the time of infection (TOI), multiplicity of infection (MOI), pH, and critical quality attributes (CQAs) (adenovirus titer (Titer), cell-specific virus yield (CSVY), adenovirus fold expansion (Fold)) of rAd-HZ production was investigated using the DoE approach. Furthermore, the robust setpoint and design space of these CPPs were explored. Finally, the rAd-HZ production process with parameters at a robust setpoint (TOI = 7.2 × 106 cells/mL, MOI = 3.7, and pH = 7.17) was successfully scaled-up to a 3-L bioreactor with an alternating tangential flow system, yielding an adenovirus titer of 3.0 × 1010 IFU/mL, a CSVY of 4167 IFU/cells, a Fold of 1117 at 2 days post infection (dpi). The DoE approach accelerated the development of a HEK293 serum-free medium and of a robust adenovirus production process.
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Osterloh A. Vaccination against Bacterial Infections: Challenges, Progress, and New Approaches with a Focus on Intracellular Bacteria. Vaccines (Basel) 2022; 10:751. [PMID: 35632507 PMCID: PMC9144739 DOI: 10.3390/vaccines10050751] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2022] [Revised: 05/08/2022] [Accepted: 05/09/2022] [Indexed: 12/13/2022] Open
Abstract
Many bacterial infections are major health problems worldwide, and treatment of many of these infectious diseases is becoming increasingly difficult due to the development of antibiotic resistance, which is a major threat. Prophylactic vaccines against these bacterial pathogens are urgently needed. This is also true for bacterial infections that are still neglected, even though they affect a large part of the world's population, especially under poor hygienic conditions. One example is typhus, a life-threatening disease also known as "war plague" caused by Rickettsia prowazekii, which could potentially come back in a war situation such as the one in Ukraine. However, vaccination against bacterial infections is a challenge. In general, bacteria are much more complex organisms than viruses and as such are more difficult targets. Unlike comparatively simple viruses, bacteria possess a variety of antigens whose immunogenic potential is often unknown, and it is unclear which antigen can elicit a protective and long-lasting immune response. Several vaccines against extracellular bacteria have been developed in the past and are still used successfully today, e.g., vaccines against tetanus, pertussis, and diphtheria. However, while induction of antibody production is usually sufficient for protection against extracellular bacteria, vaccination against intracellular bacteria is much more difficult because effective defense against these pathogens requires T cell-mediated responses, particularly the activation of cytotoxic CD8+ T cells. These responses are usually not efficiently elicited by immunization with non-living whole cell antigens or subunit vaccines, so that other antigen delivery strategies are required. This review provides an overview of existing antibacterial vaccines and novel approaches to vaccination with a focus on immunization against intracellular bacteria.
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Affiliation(s)
- Anke Osterloh
- Department of Infection Immunology, Research Center Borstel, Parkallee 22, 23845 Borstel, Germany
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Joe CCD, Jiang J, Linke T, Li Y, Fedosyuk S, Gupta G, Berg A, Segireddy RR, Mainwaring D, Joshi A, Cashen P, Rees B, Chopra N, Nestola P, Humphreys J, Davies S, Smith N, Bruce S, Verbart D, Bormans D, Knevelman C, Woodyer M, Davies L, Cooper L, Kapanidou M, Bleckwenn N, Pappas D, Lambe T, Smith DC, Green CM, Venkat R, Ritchie AJ, Gilbert SC, Turner R, Douglas AD. Manufacturing a chimpanzee adenovirus-vectored SARS-CoV-2 vaccine to meet global needs. Biotechnol Bioeng 2022; 119:48-58. [PMID: 34585736 PMCID: PMC8653296 DOI: 10.1002/bit.27945] [Citation(s) in RCA: 32] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2021] [Revised: 09/14/2021] [Accepted: 09/21/2021] [Indexed: 12/16/2022]
Abstract
Manufacturing has been the key factor limiting rollout of vaccination during the COVID-19 pandemic, requiring rapid development and large-scale implementation of novel manufacturing technologies. ChAdOx1 nCoV-19 (AZD1222, Vaxzevria) is an efficacious vaccine against SARS-CoV-2, based upon an adenovirus vector. We describe the development of a process for the production of this vaccine and others based upon the same platform, including novel features to facilitate very large-scale production. We discuss the process economics and the "distributed manufacturing" approach we have taken to provide the vaccine at globally-relevant scale and with international security of supply. Together, these approaches have enabled the largest viral vector manufacturing campaign to date, providing a substantial proportion of global COVID-19 vaccine supply at low cost.
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Affiliation(s)
- Carina C. D. Joe
- Nuffield Department of Medicine, Jenner InstituteUniversity of OxfordOxfordUK
| | - Jinlin Jiang
- Biopharmaceuticals DevelopmentR&D, AstraZenecaGaithersburgMarylandUSA
| | - Thomas Linke
- Biopharmaceuticals DevelopmentR&D, AstraZenecaGaithersburgMarylandUSA
| | - Yuanyuan Li
- Nuffield Department of Medicine, Jenner InstituteUniversity of OxfordOxfordUK
| | - Sofiya Fedosyuk
- Nuffield Department of Medicine, Jenner InstituteUniversity of OxfordOxfordUK
| | - Gaurav Gupta
- Nuffield Department of Medicine, Jenner InstituteUniversity of OxfordOxfordUK
| | - Adam Berg
- Nuffield Department of Medicine, Jenner InstituteUniversity of OxfordOxfordUK
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | - Nicole Bleckwenn
- Biopharmaceuticals DevelopmentR&D, AstraZenecaGaithersburgMarylandUSA
| | - Daniel Pappas
- Biopharmaceuticals DevelopmentR&D, AstraZenecaGaithersburgMarylandUSA
| | - Teresa Lambe
- Nuffield Department of Medicine, Jenner InstituteUniversity of OxfordOxfordUK
| | | | - Catherine M. Green
- Clinical Biomanufacturing Facility, Nuffield Department of MedicineUniversity of OxfordOxfordUK
| | - Raghavan Venkat
- Biopharmaceuticals DevelopmentR&D, AstraZenecaGaithersburgMarylandUSA
| | - Adam J. Ritchie
- Nuffield Department of Medicine, Jenner InstituteUniversity of OxfordOxfordUK
| | - Sarah C. Gilbert
- Nuffield Department of Medicine, Jenner InstituteUniversity of OxfordOxfordUK
| | - Richard Turner
- Purification Process Sciences, Biopharmaceuticals DevelopmentR&D, AstraZenecaCambridgeUK
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Sharon DM, Nesdoly S, Yang HJ, Gélinas JF, Xia Y, Ansorge S, Kamen AA. A pooled genome-wide screening strategy to identify and rank influenza host restriction factors in cell-based vaccine production platforms. Sci Rep 2020; 10:12166. [PMID: 32699298 PMCID: PMC7376217 DOI: 10.1038/s41598-020-68934-y] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2019] [Accepted: 06/30/2020] [Indexed: 12/26/2022] Open
Abstract
Cell-derived influenza vaccines provide better protection and a host of other advantages compared to the egg-derived vaccines that currently dominate the market, but their widespread use is hampered by a lack of high yield, low cost production platforms. Identification and knockout of innate immune and metabolic restriction factors within relevant host cell lines used to grow the virus could offer a means to substantially increase vaccine yield. In this paper, we describe and validate a novel genome-wide pooled CRISPR/Cas9 screening strategy that incorporates a reporter virus and a FACS selection step to identify and rank restriction factors in a given vaccine production cell line. Using the HEK-293SF cell line and A/PuertoRico/8/1934 H1N1 influenza as a model, we identify 64 putative influenza restriction factors to direct the creation of high yield knockout cell lines. In addition, gene ontology and protein complex enrichment analysis of this list of putative restriction factors offers broader insights into the primary host cell determinants of viral yield in cell-based vaccine production systems. Overall, this work will advance efforts to address the public health burden posed by influenza.
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MESH Headings
- CRISPR-Cas Systems/genetics
- Cell Survival
- Gene Editing
- Gene Ontology
- Genes, Reporter
- Genetic Vectors/genetics
- Genetic Vectors/metabolism
- Genome, Viral
- HEK293 Cells
- Humans
- Influenza A Virus, H1N1 Subtype/genetics
- Influenza A Virus, H1N1 Subtype/isolation & purification
- Influenza A Virus, H1N1 Subtype/physiology
- Influenza Vaccines/genetics
- Influenza Vaccines/immunology
- Influenza Vaccines/metabolism
- Influenza, Human/pathology
- Influenza, Human/prevention & control
- Influenza, Human/virology
- RNA, Guide, CRISPR-Cas Systems/metabolism
- Virus Replication
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Affiliation(s)
- David M. Sharon
- Department of Bioengineering, McGill University, McConnell Engineering Building, Room 363, 3480 Rue University, Montreal, QC H3A 2K6 Canada
| | - Sean Nesdoly
- Department of Bioengineering, McGill University, McConnell Engineering Building, Room 363, 3480 Rue University, Montreal, QC H3A 2K6 Canada
| | - Hsin J. Yang
- Department of Bioengineering, McGill University, McConnell Engineering Building, Room 363, 3480 Rue University, Montreal, QC H3A 2K6 Canada
| | - Jean-François Gélinas
- Department of Bioengineering, McGill University, McConnell Engineering Building, Room 363, 3480 Rue University, Montreal, QC H3A 2K6 Canada
| | - Yu Xia
- Department of Bioengineering, McGill University, McConnell Engineering Building, Room 363, 3480 Rue University, Montreal, QC H3A 2K6 Canada
| | - Sven Ansorge
- Human Health Therapeutics, National Research Council of Canada, Montreal, QC Canada
| | - Amine A. Kamen
- Department of Bioengineering, McGill University, McConnell Engineering Building, Room 363, 3480 Rue University, Montreal, QC H3A 2K6 Canada
- Human Health Therapeutics, National Research Council of Canada, Montreal, QC Canada
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9
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Establishing a Robust Manufacturing Platform for Recombinant Veterinary Vaccines: An Adenovirus-Vector Vaccine to Control Newcastle Disease Virus Infections of Poultry in Sub-Saharan Africa. Vaccines (Basel) 2020; 8:vaccines8020338. [PMID: 32604755 PMCID: PMC7350225 DOI: 10.3390/vaccines8020338] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2020] [Revised: 06/20/2020] [Accepted: 06/22/2020] [Indexed: 01/21/2023] Open
Abstract
Developing vaccine technology platforms to respond to pandemic threats or zoonotic diseases is a worldwide high priority. The risk of infectious diseases transmitted from wildlife and domestic animals to humans makes veterinary vaccination and animal health monitoring highly relevant for the deployment of public health global policies in the context of “one world, one health” principles. Sub-Saharan Africa is frequently impacted by outbreaks of poultry diseases such as avian influenza and Newcastle Disease (ND). Here, an adenovirus-vectored vaccine technology platform is proposed for rapid adaptation to ND or other avian viral threats in the region. Ethiopian isolates of the Newcastle Disease virus (NDV) were subjected to sequence and phylogenetic analyses, enabling the construction of antigenically matched vaccine candidates expressing the fusion (F) and hemagglutinin-neuraminidase (HN) proteins. A cost-effective vaccine production process was developed using HEK293 cells in suspension and serum-free medium. Productive infection in bioreactors (1–3 L) at 2 × 106 cells/mL resulted in consistent infectious adenoviral vector titers of approximately 5–6 × 108 TCID50/mL (approximately 1011VP/mL) in the harvest lysates. Groups of chickens were twice immunized with 1 × 1010 TCID50 of the vectors, and full protection against a lethal NDV challenge was provided by the vector expressing the F antigen. These results consolidate the basis for a streamlined and scalable-vectored vaccine manufacturing process for deployment in low- and medium-income countries.
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10
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Sánchez-Trasviña C, Fuks P, Mushagasha C, Kimerer L, Mayolo-Deloisa K, Rito-Palomares M, Carta G. Structure and functional properties of Capto™ Core 700 core-shell particles. J Chromatogr A 2020; 1621:461079. [DOI: 10.1016/j.chroma.2020.461079] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2020] [Revised: 03/23/2020] [Accepted: 03/25/2020] [Indexed: 01/13/2023]
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11
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Moleirinho MG, Silva RJS, Alves PM, Carrondo MJT, Peixoto C. Current challenges in biotherapeutic particles manufacturing. Expert Opin Biol Ther 2019; 20:451-465. [PMID: 31773998 DOI: 10.1080/14712598.2020.1693541] [Citation(s) in RCA: 67] [Impact Index Per Article: 13.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Introduction: The development of novel complex biotherapeutics led to new challenges in biopharmaceutical industry. The potential of these particles has been demonstrated by the approval of several products, in the different fields of gene therapy, oncolytic therapy, and tumor vaccines. However, their manufacturing still presents challenges related to the high dosages and purity required.Areas covered: The main challenges that biopharmaceutical industry faces today and the most recent developments in the manufacturing of different biotherapeutic particles are reported here. Several unit operations and downstream trains to purify virus, virus-like particles and extracellular vesicles are described. Innovations on the different purification steps are also highlighted with an eye on the implementation of continuous and integrated processes.Expert opinion: Manufacturing platforms that consist of a low number of unit operations, with higher-yielding processes and reduced costs will be highly appreciated by the industry. The pipeline of complex therapeutic particles is expanding and there is a clear need for advanced tools and manufacturing capacity. The use of single-use technologies, as well as continuous integrated operations, are gaining ground in the biopharmaceutical industry and should be supported by more accurate and faster analytical methods.
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Affiliation(s)
- Mafalda G Moleirinho
- IBET, Instituto de Biologia Experimental e Tecnológica, Apartado, Oeiras, Portugal.,ITQB NOVA, Instituto de Tecnologia Química e Biológica António Xavier, Universidade Nova de Lisboa, Av. da República, Oeiras, Portugal
| | - Ricardo J S Silva
- IBET, Instituto de Biologia Experimental e Tecnológica, Apartado, Oeiras, Portugal
| | - Paula M Alves
- IBET, Instituto de Biologia Experimental e Tecnológica, Apartado, Oeiras, Portugal.,ITQB NOVA, Instituto de Tecnologia Química e Biológica António Xavier, Universidade Nova de Lisboa, Av. da República, Oeiras, Portugal
| | - Manuel J T Carrondo
- IBET, Instituto de Biologia Experimental e Tecnológica, Apartado, Oeiras, Portugal
| | - Cristina Peixoto
- IBET, Instituto de Biologia Experimental e Tecnológica, Apartado, Oeiras, Portugal.,ITQB NOVA, Instituto de Tecnologia Química e Biológica António Xavier, Universidade Nova de Lisboa, Av. da República, Oeiras, Portugal
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12
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A novel method to purify adenovirus based on increasing salt concentrations in buffer. Eur J Pharm Sci 2019; 141:105090. [PMID: 31626964 DOI: 10.1016/j.ejps.2019.105090] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2019] [Revised: 09/02/2019] [Accepted: 09/24/2019] [Indexed: 02/05/2023]
Abstract
With the rapid development of gene therapy, gene-based medicine with adenovirus as vectors has become a new method for disease treatment. However, there are still enormous challenges in the large-scale production of adenoviruses for clinical use. Recent reports show that ion-exchange chromatography (IEC) is an effective tool for the isolation and purification of adenovirus. However, during the separation and purification, host cell protein and DNA, as well as serum from the culture medium, can non-specifically occupy numerous binding sites of the chromatography packings, thereby reducing the binding between the adenovirus and packing media. We here report a novel method for highly efficient purification of adenoviruses by increasing the salt concentrations of the samples to be ultrafiltrated by tangential flow filtration, the diafiltration buffer, and the samples for IEC purification. This method could significantly remove a large amount of serum proteins and host cell proteins, increase the amount of sample loaded on the IEC column, and improve the binding of the adenovirus samples to the packing media. A purity of > 95% could be obtained after one chromatography operation, and the number of purification steps and the amount of used packing media were reduced. The method is simple, economical, and efficient, and has excellent applications.
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Gélinas JF, Azizi H, Kiesslich S, Lanthier S, Perdersen J, Chahal PS, Ansorge S, Kobinger G, Gilbert R, Kamen AA. Production of rVSV-ZEBOV in serum-free suspension culture of HEK 293SF cells. Vaccine 2019; 37:6624-6632. [DOI: 10.1016/j.vaccine.2019.09.044] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2019] [Revised: 08/28/2019] [Accepted: 09/11/2019] [Indexed: 12/13/2022]
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Mennechet FJD, Paris O, Ouoba AR, Salazar Arenas S, Sirima SB, Takoudjou Dzomo GR, Diarra A, Traore IT, Kania D, Eichholz K, Weaver EA, Tuaillon E, Kremer EJ. A review of 65 years of human adenovirus seroprevalence. Expert Rev Vaccines 2019; 18:597-613. [PMID: 31132024 DOI: 10.1080/14760584.2019.1588113] [Citation(s) in RCA: 95] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Introduction: Human adenovirus (HAdV)-derived vectors have been used in numerous pre-clinical and clinical trials during the last 40 years. Current research in HAdV-based vaccines focuses on improving transgene immunogenicity and safety. Because pre-existing humoral immunity against HAdV types correlate with reduced vaccine efficacy and safety, many groups are exploring the development of HAdV types vectors with lower seroprevalence. However, global seroepidemiological data are incomplete. Areas covered: The goal of this review is to centralize 65 years of research on (primarily) HAdV epidemiology. After briefly addressing adenovirus biology, we chronical HAdV seroprevalence studies and highlight major milestones. Finally, we analyze data from about 50 studies with respect to HAdVs types that are currently used in the clinic, or are in the developmental pipeline. Expert opinion: Vaccination is among the most efficient tools to prevent infectious disease. HAdV-based vaccines have undeniable potential, but optimization is needed and antivector immunity remains a challenge if the same vectors are to be administrated to different populations. Here, we identify gaps in our knowledge and the need for updated worldwide epidemiological data.
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Affiliation(s)
- Franck J D Mennechet
- a Institut de Génétique Moléculaire de Montpellier , University of Montpellier - CNRS , Montpellier , France
| | - Océane Paris
- a Institut de Génétique Moléculaire de Montpellier , University of Montpellier - CNRS , Montpellier , France
| | - Aline Raissa Ouoba
- a Institut de Génétique Moléculaire de Montpellier , University of Montpellier - CNRS , Montpellier , France.,b UMR 1058, Pathogenesis and Control of Chronic Infections , INSERM - University of Montpellier - Establishment Français du Sang - Centre Hospitalier Universitaire de Montpellier , Montpellier , France.,c Département des sciences et de la recherche clinique , Centre Muraz , Bobo-Dioulasso , Burkina Faso
| | - Sofia Salazar Arenas
- a Institut de Génétique Moléculaire de Montpellier , University of Montpellier - CNRS , Montpellier , France
| | - Sodiomon B Sirima
- d Centre National de Recherche et de Formation sur le Paludisme , Ouagadougou , Burkina Faso.,e Groupe de Recherche Action en Santé (GRAS) , Ouagadougou , Burkina Faso
| | - Guy R Takoudjou Dzomo
- f Complexe Hospitalo Universitaire « Le Bon Samaritain » , N'Djamena , Republic of Chad
| | - Amidou Diarra
- d Centre National de Recherche et de Formation sur le Paludisme , Ouagadougou , Burkina Faso
| | - Isidore T Traore
- c Département des sciences et de la recherche clinique , Centre Muraz , Bobo-Dioulasso , Burkina Faso
| | - Dramane Kania
- c Département des sciences et de la recherche clinique , Centre Muraz , Bobo-Dioulasso , Burkina Faso
| | - Karsten Eichholz
- a Institut de Génétique Moléculaire de Montpellier , University of Montpellier - CNRS , Montpellier , France
| | - Eric A Weaver
- g University of Nebraska-Lincoln, School of Biological Sciences , Lincoln , NE , USA
| | - Edouard Tuaillon
- b UMR 1058, Pathogenesis and Control of Chronic Infections , INSERM - University of Montpellier - Establishment Français du Sang - Centre Hospitalier Universitaire de Montpellier , Montpellier , France
| | - Eric J Kremer
- a Institut de Génétique Moléculaire de Montpellier , University of Montpellier - CNRS , Montpellier , France
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Lebedeva E, Bagaev A, Pichugin A, Chulkina M, Lysenko A, Tutykhina I, Shmarov M, Logunov D, Naroditsky B, Ataullakhanov R. The differences in immunoadjuvant mechanisms of TLR3 and TLR4 agonists on the level of antigen-presenting cells during immunization with recombinant adenovirus vector. BMC Immunol 2018; 19:26. [PMID: 30055563 PMCID: PMC6064145 DOI: 10.1186/s12865-018-0264-x] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2018] [Accepted: 07/20/2018] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND Agonists of TLR3 and TLR4 are effective immunoadjuvants for different types of vaccines. The mechanisms of their immunostimulatory action differ significantly; these differences are particularly critical for immunization with non-replicating adenovirus vectors (rAds) based vaccines. Unlike traditional vaccines, rAd based vaccines are not designed to capture vaccine antigens from the external environment by antigen presenting cells (APCs), but rather they are targeted to the de novo synthesis of vaccine antigens in APCs transfected with rAd. To date, there is no clear understanding about approaches to improve the efficacy of rAd vaccinations with immunoadjuvants. In this study, we investigated the immunoadjuvant effect of TLR3 and TLR4 agonists on the level of activation of APCs during vaccination with rAds. RESULTS We demonstrated that TLR3 and TLR4 agonists confer different effects on the molecular processes in APCs that determine the efficacy of antigen delivery and activation of antigen-specific CD4+ and CD8+ T cells. APCs activated with agonists of TLR4 were characterized by up-regulated production of target antigen mRNA and protein encoded in rAd, as well as enhanced expression of the co-activation receptors CD80, CD86 and CD40, and pro-inflammatory cytokines TNF-α, IL6 and IL12. These effects of TLR4 agonists have provided a significant increase in the number of antigen-specific CD4+ and CD8+ T cells. TLR3 agonist, on the contrary, inhibited transcription and synthesis of rAd-encoded antigens, but improved expression of CD40 and IFN-β in APCs. The cumulative effect of TLR3 agonist have resulted in only a slight improvement in the activation of antigen-specific T cells. Also, we demonstrated that IFN-β and TNF-α, secreted by APCs in response to TLR3 and TLR4 agonists, respectively, have an opposite effect on the transcription of the targeted gene encoded in rAd. Specifically, IFN-β inhibited, and TNF-α stimulated the expression of target vaccine antigens in APCs. CONCLUSIONS Our data demonstrate that agonists of TLR4 but not TLR3 merit further study as adjuvants for development of vaccines based on recombinant adenoviral vectors.
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Affiliation(s)
- Ekaterina Lebedeva
- National Research Center Institute of Immunology, Federal Medical-Biological Agency of Russia, Moscow, Russia.
| | - Alexander Bagaev
- National Research Center Institute of Immunology, Federal Medical-Biological Agency of Russia, Moscow, Russia
| | - Alexey Pichugin
- National Research Center Institute of Immunology, Federal Medical-Biological Agency of Russia, Moscow, Russia
| | - Marina Chulkina
- National Research Center Institute of Immunology, Federal Medical-Biological Agency of Russia, Moscow, Russia
| | - Andrei Lysenko
- Federal Research Centre of Epidemiology and Microbiology named after Honorary Academician N.F. Gamaleya, Ministry of Health, Moscow, Russia
| | - Irina Tutykhina
- Federal Research Centre of Epidemiology and Microbiology named after Honorary Academician N.F. Gamaleya, Ministry of Health, Moscow, Russia
| | - Maxim Shmarov
- Federal Research Centre of Epidemiology and Microbiology named after Honorary Academician N.F. Gamaleya, Ministry of Health, Moscow, Russia
| | - Denis Logunov
- Federal Research Centre of Epidemiology and Microbiology named after Honorary Academician N.F. Gamaleya, Ministry of Health, Moscow, Russia
| | - Boris Naroditsky
- Federal Research Centre of Epidemiology and Microbiology named after Honorary Academician N.F. Gamaleya, Ministry of Health, Moscow, Russia
| | - Ravshan Ataullakhanov
- National Research Center Institute of Immunology, Federal Medical-Biological Agency of Russia, Moscow, Russia.
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Coppola M, van den Eeden SJF, Robbins N, Wilson L, Franken KLMC, Adams LB, Gillis TP, Ottenhoff THM, Geluk A. Vaccines for Leprosy and Tuberculosis: Opportunities for Shared Research, Development, and Application. Front Immunol 2018. [PMID: 29535713 PMCID: PMC5834475 DOI: 10.3389/fimmu.2018.00308] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
Tuberculosis (TB) and leprosy still represent significant public health challenges, especially in low- and lower middle-income countries. Both poverty-related mycobacterial diseases require better tools to improve disease control. For leprosy, there has been an increased emphasis on developing tools for improved detection of infection and early diagnosis of disease. For TB, there has been a similar emphasis on such diagnostic tests, while increased research efforts have also focused on the development of new vaccines. Bacille Calmette–Guérin (BCG), the only available TB vaccine, provides insufficient and inconsistent protection to pulmonary TB in adults. The impact of BCG on leprosy, however, is significant, and the introduction of new TB vaccines that might replace BCG could, therefore, have serious impact also on leprosy. Given the similarities in antigenic makeup between the pathogens Mycobacterium tuberculosis (Mtb) and M. leprae, it is well possible, however, that new TB vaccines could cross-protect against leprosy. New TB subunit vaccines currently evaluated in human phase I and II studies indeed often contain antigens with homologs in M. leprae. In this review, we discuss pre-clinical studies and clinical trials of subunit or whole mycobacterial vaccines for TB and leprosy and reflect on the development of vaccines that could provide protection against both diseases. Furthermore, we provide the first preclinical evidence of such cross-protection by Mtb antigen 85B (Ag85B)-early secretory antigenic target (ESAT6) fusion recombinant proteins in in vivo mouse models of Mtb and M. leprae infection. We propose that preclinical integration and harmonization of TB and leprosy research should be considered and included in global strategies with respect to cross-protective vaccine research and development.
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Affiliation(s)
- Mariateresa Coppola
- Department of Infectious Diseases, Leiden University Medical Center, Leiden, Netherlands
| | | | - Naoko Robbins
- The National Hansen's Disease Programs, Baton Rouge, LA, United States
| | - Louis Wilson
- Department of Infectious Diseases, Leiden University Medical Center, Leiden, Netherlands
| | - Kees L M C Franken
- Department of Infectious Diseases, Leiden University Medical Center, Leiden, Netherlands
| | - Linda B Adams
- The National Hansen's Disease Programs, Baton Rouge, LA, United States
| | - Tom P Gillis
- The National Hansen's Disease Programs, Baton Rouge, LA, United States
| | - Tom H M Ottenhoff
- Department of Infectious Diseases, Leiden University Medical Center, Leiden, Netherlands
| | - Annemieke Geluk
- Department of Infectious Diseases, Leiden University Medical Center, Leiden, Netherlands
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Hu J, Han J, Li H, Zhang X, Liu LL, Chen F, Zeng B. Human Embryonic Kidney 293 Cells: A Vehicle for Biopharmaceutical Manufacturing, Structural Biology, and Electrophysiology. Cells Tissues Organs 2018; 205:1-8. [PMID: 29393161 DOI: 10.1159/000485501] [Citation(s) in RCA: 54] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/21/2017] [Indexed: 12/21/2022] Open
Abstract
Mammalian cells, e.g., CHO, BHK, HEK293, HT-1080, and NS0 cells, represent important manufacturing platforms in bioengineering. They are widely used for the production of recombinant therapeutic proteins, vaccines, anticancer agents, and other clinically relevant drugs. HEK293 (human embryonic kidney 293) cells and their derived cell lines provide an attractive heterologous system for the development of recombinant proteins or adenovirus productions, not least due to their human-like posttranslational modification of protein molecules to provide the desired biological activity. Secondly, they also exhibit high transfection efficiency yielding high-quality recombinant proteins. They are easy to maintain and express with high fidelity membrane proteins, such as ion channels and transporters, and thus are attractive for structural biology and electrophysiology studies. In this article, we review the literature on HEK293 cells regarding their origins but also stress their advancements into the different cell lines engineered and discuss some significant aspects which make them versatile systems for biopharmaceutical manufacturing, drug screening, structural biology research, and electrophysiology applications.
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