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Serafin B, Kamen A, de Crescenzo G, Henry O. Antibody-independent surface plasmon resonance assays for influenza vaccine quality control. Appl Microbiol Biotechnol 2024; 108:307. [PMID: 38656587 PMCID: PMC11043112 DOI: 10.1007/s00253-024-13145-y] [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: 01/17/2024] [Revised: 03/29/2024] [Accepted: 04/10/2024] [Indexed: 04/26/2024]
Abstract
Surface plasmon resonance (SPR)-based biosensors have emerged as a powerful platform for bioprocess monitoring due to their ability to detect biointeractions in real time, without the need for labeling. Paramount for the development of a robust detection platform is the immobilization of a ligand with high specificity and affinity for the in-solution species of interest. Following the 2009 H1N1 pandemic, much effort has been made toward the development of quality control platforms for influenza A vaccine productions, many of which have employed SPR for detection. Due to the rapid antigenic drift of influenza's principal surface protein, hemagglutinin, antibodies used for immunoassays need to be produced seasonally. The production of these antibodies represents a 6-8-week delay in immunoassay and, thus, vaccine availability. This review focuses on SPR-based assays that do not rely on anti-HA antibodies for the detection, characterization, and quantification of influenza A in bioproductions and biological samples. KEY POINTS: • The single radial immunodiffusion assay (SRID) has been the gold standard for the quantification of influenza vaccines since 1979. Due to antigenic drift of influenza's hemagglutinin protein, new antibody reagents for the SRID assay must be produced each year, requiring 6-8 weeks. The resulting delay in immunoassay availability is a major bottleneck in the influenza vaccine pipeline. This review highlights ligand options for the detection and quantification of influenza viruses using surface plasmon resonance biosensors.
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Affiliation(s)
- Benjamin Serafin
- Department of Chemical Engineering, Polytechnique Montreal, Montreal, QC, Canada
| | - Amine Kamen
- Department of Bioengineering, McGill University, Montreal, QC, Canada
| | - Gregory de Crescenzo
- Department of Chemical Engineering, Polytechnique Montreal, Montreal, QC, Canada
| | - Olivier Henry
- Department of Chemical Engineering, Polytechnique Montreal, Montreal, QC, Canada.
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Narayan K, Paduraru C, Blake T, Arunachalam AB. Rapid determination of influenza vaccine potency by an SPR-based method using subtype or lineage-specific monoclonal antibodies. Front Immunol 2023; 14:1128683. [PMID: 37457687 PMCID: PMC10344355 DOI: 10.3389/fimmu.2023.1128683] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2022] [Accepted: 06/07/2023] [Indexed: 07/18/2023] Open
Abstract
Potency testing and release of annual influenza vaccines require preparation, calibration, and distribution of reference antigens (RAs) and antisera every year, which takes an average of 8 to 12 weeks, and can be a major limiting factor in pandemic situations. Here we describe for the first time a robust Surface Plasmon Resonance (SPR)-based method that employs influenza subtype or lineage hemagglutinin (HA) specific monoclonal antibodies (mAbs) to measure the HA concentration in influenza multivalent vaccines. Implementing such an advanced test method will at the very least eliminate the rate-limiting and laborious efforts of making antisera reagents annually, and thus expedite the influenza vaccine delivery to the public by at least 6 weeks. Results demonstrate that the SPR-based method, developed using Biacore, is robust and not influenced by the type of RAs (inactivated whole virus, split, or subunit vaccine-derived materials), whether they are used as monovalent or multivalent preparations. HA concentrations obtained for monovalent drug substances (DS) or quadrivalent drug products (DP) of inactivated influenza split vaccine showed a tight correlation (the best fit value for the slope is 1.001 with R2 of 0.9815 and P-value <0.0001) with the corresponding values obtained by the current potency assay, Single Radial Immunodiffusion (SRID). Supplementary analysis of the results by the Bland-Altman plot demonstrated good agreement between the SPR and SRID methods, with no consistent bias of the SPR versus SRID method. We further demonstrate that the SPR-based method can be used to estimate HA concentrations in intermediates of the influenza vaccine manufacturing process containing varying matrices and impurity levels. Further, the results demonstrate that the method is sensitive to detecting degradation of HA caused by elevated temperature, low pH, and freezing. It is evident from this report and other published work that the advancement of analytical techniques and the early findings are encouraging for the implementation of alternate potency assays with far-reaching benefits covering both seasonal and pandemic influenza.
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Ekimov A, Arunachalam AB, Blake T, Bodle J, Couzens L, Dubey S, Eichelberger M, Engelhardt OG, Gubinelli F, Joshi M, Melnyk D, Palladino G, Rigsby P, Rockman S, Savina N, Smith E, Gilchrist SAN. Assessing the stability-indicating properties of alternative potency assays for inactivated influenza vaccine. Vaccine 2023:S0264-410X(23)00726-0. [PMID: 37344260 DOI: 10.1016/j.vaccine.2023.06.051] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2023] [Revised: 05/01/2023] [Accepted: 06/13/2023] [Indexed: 06/23/2023]
Abstract
Determination of the potency of a vaccine is critical to ensuring that an appropriate dose is delivered, lot-to-lot consistency is maintained, and that the formulation is stable over the life of the vaccine. The potency of inactivated influenza vaccines is determined routinely by the Single Radial Immunodiffusion (SRID) assay. A number of alternative potency assays have been proposed and have been under evaluation in recent years. The aim of this study was to compare a surface plasmon resonance-based assay and two different enzyme linked immunoassays against the current potency assay, SRID, and against mouse immunogenicity when haemagglutinin antigen of the A(H1N1)pdm09 component of an inactivated influenza vaccine is stressed by elevated temperature, low pH and freezing. This analysis demonstrated that the alternative assays had good correspondence with SRID for samples from most stress conditions and that the immunogenicity in mice corresponded with potency in SRID for all stress samples. Subject to further analysis, the assays have been shown to have the potential to possibly replace, and at least complement, SRID.
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Affiliation(s)
- Aleksei Ekimov
- Department of New Technologies, Federal State Unitary Enterprise (FSUE), Saint-Petersburg Scientific Research Institute of Vaccines and Serums (SPbSRIVS), Federal Medical-Biological Agency (FMBA) of Russia, Saint-Petersburg 198320, Russian Federation.
| | - Arun B Arunachalam
- Global Analytical Sciences, R&D Sanofi, 1 Discovery Dr, Swiftwater, PA 18370, USA.
| | - Taylor Blake
- Global Analytical Sciences, R&D Sanofi, 1 Discovery Dr, Swiftwater, PA 18370, USA.
| | - Jesse Bodle
- Technical Development and Global Process Innovation, Seqirus Ltd, 63 Poplar Rd, Parkville, Victoria 3052, Australia.
| | - Laura Couzens
- Division of Biological Standards and Quality Control (DBSQC), Office of Compliance and Biologics Quality, Center for Biologics Evaluation and Research (CBER), US Food & Drug Administration, 10903 New Hampshire Ave, Silver Spring, MD 20993-0002, United States of America.
| | - Sitara Dubey
- Standards Lifecycle, Scientific Research & Innovation, Medicines and Healthcare Products Regulatory Agency, Blanche Lane, South Mimms, Potters Bar EN6 3QG, UK.
| | - Maryna Eichelberger
- Division of Biological Standards and Quality Control (DBSQC), Office of Compliance and Biologics Quality, Center for Biologics Evaluation and Research (CBER), US Food & Drug Administration, 10903 New Hampshire Ave, Silver Spring, MD 20993-0002, United States of America.
| | - Othmar G Engelhardt
- Vaccines, Scientific Research & Innovation, Medicines and Healthcare products Regulatory Agency, Blanche Lane, South Mimms, Potters Bar EN6 3QG, UK.
| | - Francesco Gubinelli
- Standards Lifecycle, Scientific Research & Innovation, Medicines and Healthcare Products Regulatory Agency, Blanche Lane, South Mimms, Potters Bar EN6 3QG, UK.
| | - Manju Joshi
- Division of Biological Standards and Quality Control (DBSQC), Office of Compliance and Biologics Quality, Center for Biologics Evaluation and Research (CBER), US Food & Drug Administration, 10903 New Hampshire Ave, Silver Spring, MD 20993-0002, United States of America.
| | - Darya Melnyk
- Division of Biological Standards and Quality Control (DBSQC), Office of Compliance and Biologics Quality, Center for Biologics Evaluation and Research (CBER), US Food & Drug Administration, 10903 New Hampshire Ave, Silver Spring, MD 20993-0002, United States of America.
| | - Giuseppe Palladino
- Preclinical Research, Seqirus, 50 Hampshire Street, 9th Floor Cambridge, MA 02139, United States of America.
| | - Peter Rigsby
- Analytical and Biological Sciences, Scientific Research & Innovation, Medicines and Healthcare Products Regulatory Agency, Blanche Lane, South Mimms, Potters Bar EN6 3QG, UK.
| | - Steven Rockman
- Technical Development and Global Process Innovation, Seqirus Ltd, 63 Poplar Rd, Parkville, Victoria 3052, Australia.
| | - Natalya Savina
- Department of New Technologies, Federal State Unitary Enterprise (FSUE), Saint-Petersburg Scientific Research Institute of Vaccines and Serums (SPbSRIVS), Federal Medical-Biological Agency (FMBA) of Russia, Saint-Petersburg 198320, Russian Federation.
| | - Elena Smith
- Analytical CMC, Vaccine mRNA Center of Excellence, Sanofi, 200 West Street, Waltham, MA 02451, United States of America.
| | - Shawn A N Gilchrist
- S Gilchrist Consulting Services Inc, 8 Covebank Crescent, Brampton, ON L6P 2X5, Canada.
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Biolayer Interferometry Analysis for a Higher Throughput Quantification of In-Process Samples of a Rotavirus Vaccine. Vaccines (Basel) 2022; 10:vaccines10101585. [DOI: 10.3390/vaccines10101585] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2022] [Revised: 09/05/2022] [Accepted: 09/14/2022] [Indexed: 11/16/2022] Open
Abstract
Rotavirus A infection is a global leading cause of severe acute gastroenteritis associated with life-threatening diarrheal episodes in infants and young children. The disease burden is being reduced, namely due to a wider access to rotavirus vaccines. However, there is a demand to expand rotavirus vaccination programs, and to achieve this, it is critical to improve high-throughput in-process product quality control and vaccine manufacturing monitoring. Here, we present the development of an analytical method for the quantification of rotavirus particles contained in a licensed vaccine. The binding of rotavirus proteins to distinct glycoconjugate receptors and monoclonal antibodies was evaluated using biolayer interferometry analysis, applied on an Octet platform. The antibody strategy presented the best results with a linear response range within 2.5 × 107–1.0 × 108 particles·mL−1 and limits of detection and quantification of 2.5 × 106 and 7.5 × 106 particles·mL−1, respectively. Method suitability for the quantification of in-process samples was shown using samples from different manufacturing stages and their titers were comparable with the approved CCID(50) method. This cell-free method enables a fast and high-throughput analysis, compatible with time constraints during bioprocess development and it is suitable to be adapted to other viral particle-based drug products.
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On the Use of Surface Plasmon Resonance-Based Biosensors for Advanced Bioprocess Monitoring. Processes (Basel) 2021. [DOI: 10.3390/pr9111996] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023] Open
Abstract
Biomanufacturers are being incited by regulatory agencies to transition from a quality by testing framework, where they extensively test their product after their production, to more of a quality by design or even quality by control framework. This requires powerful analytical tools and sensors enabling measurements of key process variables and/or product quality attributes during production, preferably in an online manner. As such, the demand for monitoring technologies is rapidly growing. In this context, we believe surface plasmon resonance (SPR)-based biosensors can play a role in enabling the development of improved bioprocess monitoring and control strategies. The SPR technique has been profusely used to probe the binding behavior of a solution species with a sensor surface-immobilized partner in an investigative context, but its ability to detect binding in real-time and without a label has been exploited for monitoring purposes and is promising for the near future. In this review, we examine applications of SPR that are or could be related to bioprocess monitoring in three spheres: biotherapeutics production monitoring, vaccine monitoring, and bacteria and contaminant detection. These applications mainly exploit SPR’s ability to measure solution species concentrations, but performing kinetic analyses is also possible and could prove useful for product quality assessments. We follow with a discussion on the limitations of SPR in a monitoring role and how recent advances in hardware and SPR response modeling could counter them. Mainly, throughput limitations can be addressed by multi-detection spot instruments, and nonspecific binding effects can be alleviated by new antifouling materials. A plethora of methods are available for cell growth and metabolism monitoring, but product monitoring is performed mainly a posteriori. SPR-based biosensors exhibit potential as product monitoring tools from early production to the end of downstream processing, paving the way for more efficient production control. However, more work needs to be done to facilitate or eliminate the need for sample preprocessing and to optimize the experimental protocols.
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Kastenhofer J, Rajamanickam V, Libiseller-Egger J, Spadiut O. Monitoring and control of E. coli cell integrity. J Biotechnol 2021; 329:1-12. [PMID: 33485861 DOI: 10.1016/j.jbiotec.2021.01.009] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2020] [Revised: 01/06/2021] [Accepted: 01/08/2021] [Indexed: 12/15/2022]
Abstract
Soluble expression of recombinant proteins in E. coli is often done by translocation of the product across the inner membrane (IM) into the periplasm, where it is retained by the outer membrane (OM). While the integrity of the IM is strongly coupled to viability and impurity release, a decrease in OM integrity (corresponding to increased "leakiness") leads to accumulation of product in the extracellular space, strongly impacting the downstream process. Whether leakiness is desired or not, differential monitoring and control of IM and OM integrity are necessary for an efficient E. coli bioprocess in compliance with the guidelines of Quality by Design and Process Analytical Technology. In this review, we give an overview of relevant monitoring tools, summarize the research on factors affecting E. coli membrane integrity and provide a brief discussion on how the available monitoring technology can be implemented in real-time control of E. coli cultivations.
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Affiliation(s)
- Jens Kastenhofer
- TU Wien, Institute of Chemical, Environmental and Bioscience Engineering, Research Division Biochemical Engineering, Research Group Integrated Bioprocess Development, Gumpendorfer Strasse 1a, 1060, Vienna, Austria
| | - Vignesh Rajamanickam
- TU Wien, Institute of Chemical, Environmental and Bioscience Engineering, Research Division Biochemical Engineering, Research Group Integrated Bioprocess Development, Gumpendorfer Strasse 1a, 1060, Vienna, Austria
| | - Julian Libiseller-Egger
- TU Wien, Institute of Chemical, Environmental and Bioscience Engineering, Research Division Biochemical Engineering, Research Group Integrated Bioprocess Development, Gumpendorfer Strasse 1a, 1060, Vienna, Austria
| | - Oliver Spadiut
- TU Wien, Institute of Chemical, Environmental and Bioscience Engineering, Research Division Biochemical Engineering, Research Group Integrated Bioprocess Development, Gumpendorfer Strasse 1a, 1060, Vienna, Austria.
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Hemagglutinin from multiple divergent influenza A and B viruses bind to a distinct branched, sialylated poly-LacNAc glycan by surface plasmon resonance. Vaccine 2020; 38:6757-6765. [PMID: 32928588 DOI: 10.1016/j.vaccine.2020.08.037] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/29/2020] [Revised: 08/12/2020] [Accepted: 08/15/2020] [Indexed: 12/25/2022]
Abstract
Influenza viruses initiate infection via specific interactions of hemagglutinin (HA) with host cell surface sialic acid-containing glycans. Antigenic drift has resulted in HA amino acid sequence changes that affect binding properties for sialic acids. Further, viral propagation in eggs and cell culture for vaccine production can yield variants with mutations that affect the conformation and affinity of HA for sialic acids. Therefore, influenza vaccine researchers and manufacturers need robust analytical methods to assess directly the ability of vaccine candidates to bind to their specific sialic acid ligand. We developed a surface plasmon resonance method that uses an extended, biantennary glycan terminating with α-2,6 linked sialic acids to bind influenza HA and assess this interaction. Recombinant HA (rHA) from both influenza A and B viruses isolated from 1999 to 2017 strongly and specifically bind this sialic acid ligand, suggesting the binding ability of divergent HA for this ligand is resistant to antigenic drift. Importantly, the method can differentiate between wild type and mutant rHA for which binding to this sialylated glycan and red blood cells in hemagglutination assays is compromised. We believe this method can be a powerful tool to screen influenza A and B vaccine candidates and final vaccine preparations for their functional ability to bind sialic acids, which allows manufacturers to identify preparations in which mutations that affect sialic acid binding have arisen during propagation. Evaluation of vaccine rHA antigen integrity by confirmation of the receptor binding site functionality is a prudent cautionary step to assure the antigenic quality of seasonal influenza vaccines.
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