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Conti M, Boland D, Heeran C, Symington JA, Pullen JR, Dimartino S. Purification of monoclonal antibodies using novel 3D printed ordered stationary phases. J Chromatogr A 2024; 1722:464873. [PMID: 38626540 DOI: 10.1016/j.chroma.2024.464873] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2024] [Revised: 03/31/2024] [Accepted: 04/03/2024] [Indexed: 04/18/2024]
Abstract
3D printing offers the unprecedented ability to fabricate chromatography stationary phases with bespoke 3D morphology as opposed to traditional packed beds of spherical beads. The restricted range of printable materials compatible with chromatography is considered a setback for its industrial implementation. Recently, we proposed a novel ink that exhibits favourable printing performance (printing time ∼100 mL/h, resolution ∼200 µm) and broadens the possibilities for a range of chromatography applications thanks to its customisable surface chemistry. In this work, this ink was used to fabricate 3D printed ordered columns with 300 µm channels for the capture and polishing of therapeutic monoclonal antibodies. The columns were initially assessed for leachables and extractables, revealing no material propensity for leaching. Columns were then functionalised with protein A and SO3 ligands to obtain affinity and strong cation exchangers, respectively. 3D printed protein A columns showed >85 % IgG recovery from harvested cell culture fluid with purities above 98 %. Column reusability was evaluated over 20 cycles showing unaffected performance. Eluate samples were analysed for co-eluted protein A fragments, host cell protein and aggregates. Results demonstrate excellent HCP clearance (logarithmic reduction value of > 2.5) and protein A leakage in the range of commercial affinity resins (<100 ng/mg). SO3 functionalised columns employed for polishing achieved removal of leaked Protein A (down to 10 ng/mg) to meet regulatory expectations of product purity. This work is the first implementation of 3D printed columns for mAb purification and provides strong evidence for their potential in industrial bioseparations.
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Affiliation(s)
- Mariachiara Conti
- Institute for Bioengineering, The School of Engineering, The University of Edinburgh, Edinburgh, EH9 3DW, UK
| | - Deirdre Boland
- Fujifilm Diosynth Biotechnologies, Teesside, TS23 1LH, UK
| | - Carmen Heeran
- Fujifilm Diosynth Biotechnologies, Teesside, TS23 1LH, UK
| | | | - James R Pullen
- Fujifilm Diosynth Biotechnologies, Teesside, TS23 1LH, UK
| | - Simone Dimartino
- Institute for Bioengineering, The School of Engineering, The University of Edinburgh, Edinburgh, EH9 3DW, UK.
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2
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Li X. Recent applications of quantitative mass spectrometry in biopharmaceutical process development and manufacturing. J Pharm Biomed Anal 2023; 234:115581. [PMID: 37494866 DOI: 10.1016/j.jpba.2023.115581] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2023] [Revised: 06/27/2023] [Accepted: 07/12/2023] [Indexed: 07/28/2023]
Abstract
Biopharmaceutical products have seen rapid growth over the past few decades and continue to dominate the global pharmaceutical market. Aligning with the quality by design (QbD) framework and realization, recent advances in liquid chromatography-mass spectrometry (LC-MS) instrumentation and related techniques have enhanced biopharmaceutical characterization capabilities and have supported an increased development of biopharmaceutical products. Beyond its routine qualitative characterization, the quantitative feature of LC-MS has unique applications in biopharmaceutical process development and manufacturing. This review describes the recent applications and implications of the advancement of quantitative MS methods in biopharmaceutical process development, and characterization of biopharmaceutical product, product-related variants, and process-related impurities. We also provide insights on the emerging applications of quantitative MS in the lifecycle of biopharmaceutical product development including quality control in the Good Manufacturing Practice (GMP) environment and process analytical technology (PAT) practices during process development and manufacturing. Through collaboration with instrument and software vendors and regulatory agencies, we envision broader adoption of phase-appropriate quantitative MS-based methods for the analysis of biopharmaceutical products, which in turn has the potential to enable manufacture of higher quality products for patients.
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Affiliation(s)
- Xuanwen Li
- Analytical Research and Development, MRL, Merck & Co., Inc., 126 E. Lincoln Avenue, Rahway, NJ 07065, USA.
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3
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Beaumal C, Beck A, Hernandez-Alba O, Carapito C. Advanced mass spectrometry workflows for accurate quantification of trace-level host cell proteins in drug products: Benefits of FAIMS separation and gas-phase fractionation DIA. Proteomics 2023; 23:e2300172. [PMID: 37148167 DOI: 10.1002/pmic.202300172] [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: 03/31/2023] [Revised: 04/19/2023] [Accepted: 04/19/2023] [Indexed: 05/08/2023]
Abstract
Therapeutic monoclonal antibodies (mAb) production relies on multiple purification steps before release as a drug product (DP). A few host cell proteins (HCPs) may co-purify with the mAb. Their monitoring is crucial due to the considerable risk they represent for mAb stability, integrity, and efficacy and their potential immunogenicity. Enzyme-linked immunosorbent assays (ELISA) commonly used for global HCP monitoring present limitations in terms of identification and quantification of individual HCPs. Therefore, liquid chromatography tandem mass spectrometry (LC-MS/MS) has emerged as a promising alternative. Challenging DP samples show an extreme dynamic range requiring high performing methods to detect and reliably quantify trace-level HCPs. Here, we investigated the benefits of adding high-field asymmetric ion mobility spectrometry (FAIMS) separation and gas phase fractionation (GPF) prior to data independent acquisition (DIA). FAIMS LC-MS/MS analysis allowed the identification of 221 HCPs among which 158 were reliably quantified for a global amount of 880 ng/mg of NIST mAb Reference Material. Our methods have also been successfully applied to two FDA/EMA approved DPs and allowed digging deeper into the HCP landscape with the identification and quantification of a few tens of HCPs with sensitivity down to the sub-ng/mg of mAb level.
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Affiliation(s)
- Corentin Beaumal
- Laboratoire de Spectrométrie de Masse BioOrganique, IPHC UMR 7178, CNRS, Université de Strasbourg, Strasbourg, France
- Infrastructure Nationale de Protéomique ProFI - FR2048, Strasbourg, France
| | - Alain Beck
- IRPF, Centre d'Immunologie Pierre-Fabre (CIPF), Saint-Julien-en-Genevois, France
| | - Oscar Hernandez-Alba
- Laboratoire de Spectrométrie de Masse BioOrganique, IPHC UMR 7178, CNRS, Université de Strasbourg, Strasbourg, France
- Infrastructure Nationale de Protéomique ProFI - FR2048, Strasbourg, France
| | - Christine Carapito
- Laboratoire de Spectrométrie de Masse BioOrganique, IPHC UMR 7178, CNRS, Université de Strasbourg, Strasbourg, France
- Infrastructure Nationale de Protéomique ProFI - FR2048, Strasbourg, France
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4
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Osuofa J, Husson SM. Comparative Evaluation of Commercial Protein A Membranes for the Rapid Purification of Antibodies. MEMBRANES 2023; 13:511. [PMID: 37233572 PMCID: PMC10220532 DOI: 10.3390/membranes13050511] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/11/2023] [Revised: 05/05/2023] [Accepted: 05/09/2023] [Indexed: 05/27/2023]
Abstract
Protein A chromatography is ubiquitous to antibody purification. The high specificity of Protein A for binding the Fc-region of antibodies and related products enables unmatched clearance of process impurities like host cell proteins, DNA, and virus particles. A recent development is the commercialization of research-scale Protein A membrane chromatography products that can perform capture step purification with short residence times (RT) on the order of seconds. This study investigates process-relevant performance and physical properties of four Protein A membranes: Purilogics Purexa™ PrA, Gore® Protein Capture Device, Cytiva HiTrap™ Fibro PrismA, and Sartorius Sartobind® Protein A. Performance metrics include dynamic binding capacity, equilibrium binding capacity, regeneration-reuse, impurity clearance, and elution volumes. Physical properties include permeability, pore diameter, specific surface area, and dead volume. Key results indicate that all membranes except the Gore® Protein Capture Device operate with flow rate-independent binding capacities; the Purilogics Purexa™ PrA and Cytiva HiTrap Fibro™ PrismA have binding capacities on par with resins, with orders of magnitude faster throughput; and dead volume and hydrodynamics play major roles in elution behavior. Results from this study will enable bioprocess scientists to understand the ways that Protein A membranes can fit into their antibody process development strategies.
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Affiliation(s)
| | - Scott M. Husson
- Department of Chemical and Biomolecular Engineering, Clemson University, Clemson, SC 29634, USA
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5
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Ji Q, Sokolowska I, Cao R, Jiang Y, Mo J, Hu P. A highly sensitive and robust LC-MS platform for host cell protein characterization in biotherapeutics. Biologicals 2023; 82:101675. [PMID: 37028215 DOI: 10.1016/j.biologicals.2023.101675] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2022] [Revised: 02/25/2023] [Accepted: 03/22/2023] [Indexed: 04/09/2023] Open
Abstract
Host cell proteins (HCPs) are a major class of process-related impurities that need to be closely monitored during the production of biotherapeutics. Mass spectrometry (MS) has emerged as a promising tool for HCP analysis due to its specificity for individual HCP's identification and quantitation. However, utilization of MS as a routine characterization tool is still limited due to the time-consuming procedures, non-standardized instrumentation and methodologies, and the limited sensitivity compared to the enzyme-linked immunosorbent assays (ELISA). In this study, we introduced a sensitive (limit of detection (LOD) at 1-2 ppm) and robust HCP profiling platform method with suitable precision and accuracy that can be readily adopted to antibodies and other biotherapeutic modalities without the need for HCP enrichment. The NIST mAb and multiple in-house antibodies were analyzed, and results were benchmarked with other reported studies. In addition, a targeted analysis method with optimized sample preparation for absolute quantitation of lipases was developed and qualified with an LOD of 0.6 ppm and precision of <15%, which can be further improved to an LOD of 5 ppb by using the nano-flow LC.
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Affiliation(s)
- Qinqin Ji
- Large Molecules Analytical Development, Pharmaceutical Development & Manufacturing Sciences, Janssen Research & Development, LLC, 200 Great Valley Parkway, Malvern, PA, 19355, USA.
| | - Izabela Sokolowska
- Large Molecules Analytical Development, Pharmaceutical Development & Manufacturing Sciences, Janssen Research & Development, LLC, 200 Great Valley Parkway, Malvern, PA, 19355, USA.
| | - Rui Cao
- Large Molecules Analytical Development, Pharmaceutical Development & Manufacturing Sciences, Janssen Research & Development, LLC, 200 Great Valley Parkway, Malvern, PA, 19355, USA.
| | - Yulei Jiang
- Large Molecules Analytical Development, Pharmaceutical Development & Manufacturing Sciences, Janssen Research & Development, LLC, 200 Great Valley Parkway, Malvern, PA, 19355, USA.
| | - Jingjie Mo
- Large Molecules Analytical Development, Pharmaceutical Development & Manufacturing Sciences, Janssen Research & Development, LLC, 200 Great Valley Parkway, Malvern, PA, 19355, USA.
| | - Ping Hu
- Large Molecules Analytical Development, Pharmaceutical Development & Manufacturing Sciences, Janssen Research & Development, LLC, 200 Great Valley Parkway, Malvern, PA, 19355, USA.
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6
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Tuameh A, Harding SE, Darton NJ. Methods for addressing host cell protein impurities in biopharmaceutical product development. Biotechnol J 2023; 18:e2200115. [PMID: 36427352 DOI: 10.1002/biot.202200115] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2022] [Revised: 11/18/2022] [Accepted: 11/22/2022] [Indexed: 11/27/2022]
Abstract
The high demand for monoclonal antibody (mAb) therapeutics in recent years has resulted in significant efforts to improve their costly manufacturing process. The high cost of manufacturing mAbs derives mainly from the purification process, which contributes to 50%-80% of the total manufacturing cost. One of the main challenges facing industry at the purification stage is the clearance of host cell proteins (HCPs) that are produced and often co-purified with the desired mAb product. One of the issues HCPs can cause is the degradation of the final mAb protein product. In this review, techniques are considered that can be used at different stages (upstream and downstream) of mAb manufacture to improve HCP clearance. In addition to established techniques, many new approaches for HCP removal are discussed that have the potential to replace current methods for improving HCP reduction and thereby the quality and stability of the final mAb product.
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Affiliation(s)
- Abdulrahman Tuameh
- National Centre for Macromolecular Hydrodynamics, School of Biosciences, University of Nottingham, Sutton Bonington, UK
| | - Stephen E Harding
- National Centre for Macromolecular Hydrodynamics, School of Biosciences, University of Nottingham, Sutton Bonington, UK
| | - Nicholas J Darton
- Dosage Form Design and Development, BioPharmaceuticals R&D, AstraZeneca, Cambridge, UK
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7
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Greer T, Johnson RO, Nie S, Cejkov M, Zheng X, Li N. High Throughput and High Confidence Sequence Variant Analysis in Therapeutic Antibodies using Evosep One Liquid Chromatography Tandem Mass Spectrometry with Synthetic Heavy Peptides. J Pharm Biomed Anal 2022; 219:114925. [DOI: 10.1016/j.jpba.2022.114925] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2022] [Revised: 06/30/2022] [Accepted: 07/02/2022] [Indexed: 11/25/2022]
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Abstract
INTRODUCTION Due to its excellent sensitivity, nano-flow liquid chromatography tandem mass spectrometry (LC-MS/MS) is the mainstay in proteome research; however, this comes at the expense of limited throughput and robustness. In contrast, micro-flow LC-MS/MS enables high-throughput, robustness, quantitative reproducibility, and precision while retaining a moderate degree of sensitivity. Such features make it an attractive technology for a wide range of proteomic applications. In particular, large-scale projects involving the analysis of hundreds to thousands of samples. AREAS COVERED This review summarizes the history of chromatographic separation in discovery proteomics with a focus on micro-flow LC-MS/MS, discusses the current state-of-the-art, highlights advances in column development and instrumentation, and provides guidance on which LC flow best supports different types of proteomic applications. EXPERT OPINION Micro-flow LC-MS/MS will replace nano-flow LC-MS/MS in many proteomic applications, particularly when sample quantities are not limited and sample cohorts are large. Examples include clinical analyses of body fluids, tissues, drug discovery and chemical biology investigations, plus systems biology projects across all kingdoms of life. When combined with rapid and sensitive MS, intelligent data acquisition, and informatics approaches, it will soon become possible to analyze large cohorts of more than 10,000 samples in a comprehensive and fully quantitative fashion.
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Affiliation(s)
- Yangyang Bian
- The College of Life Science, Northwest University, Xi'an, P.R. China
| | - Chunli Gao
- The College of Life Science, Northwest University, Xi'an, P.R. China
| | - Bernhard Kuster
- Chair of Proteomics and Bioanalytics, Technical University of Munich, Freising, Germany
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9
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Strasser L, Oliviero G, Jakes C, Zaborowska I, Floris P, Ribeiro da Silva M, Füssl F, Carillo S, Bones J. Detection and quantitation of host cell proteins in monoclonal antibody drug products using automated sample preparation and data-independent acquisition LC-MS/MS. J Pharm Anal 2022; 11:726-731. [PMID: 35028177 PMCID: PMC8740166 DOI: 10.1016/j.jpha.2021.05.002] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2020] [Revised: 04/29/2021] [Accepted: 05/10/2021] [Indexed: 11/17/2022] Open
Abstract
Ensuring the removal of host cell proteins (HCPs) during downstream processing of recombinant proteins such as monoclonal antibodies (mAbs) remains a challenge. Since residual HCPs might affect product stability or safety, constant monitoring is required to demonstrate their removal to be below the regulatory accepted level of 100 ng/mg. The current standard analytical approach for this procedure is based on ELISA; however, this approach only measures the overall HCP content. Therefore, the use of orthogonal methods, such as liquid chromatography-mass spectrometry (LC-MS), has been established, as it facilitates the quantitation of total HCPs as well as the identification and quantitation of the individual HCPs present. In the present study, a workflow for HCP detection and quantitation using an automated magnetic bead-based sample preparation, in combination with a data-independent acquisition (DIA) LC-MS analysis, was established. Employing the same instrumental setup commonly used for peptide mapping analysis of mAbs allows for its quick and easy implementation into pre-existing workflows, avoiding the need for dedicated instrumentation or personnel. Thereby, quantitation of HCPs over a broad dynamic range was enabled to allow monitoring of problematic HCPs or to track changes upon altered bioprocessing conditions. Reproducible HCP analysis using automated, magnetic bead-based sample preparation. Quick and easy implementation into pre-existing LC-MS peptide mapping workflows. DIA-LC-MS/MS for comprehensive analysis of low abundant HCPs, contaminating peptides without additional sample pretreatment.
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Affiliation(s)
- Lisa Strasser
- Characterization and Comparability Laboratory, NIBRT-National Institute for Bioprocessing Research and Training, Dublin, A94 X099, Ireland
| | - Giorgio Oliviero
- Characterization and Comparability Laboratory, NIBRT-National Institute for Bioprocessing Research and Training, Dublin, A94 X099, Ireland
| | - Craig Jakes
- Characterization and Comparability Laboratory, NIBRT-National Institute for Bioprocessing Research and Training, Dublin, A94 X099, Ireland.,School of Chemical and Bioprocess Engineering, University College Dublin, Dublin, D04 V1W8, Ireland
| | - Izabela Zaborowska
- Characterization and Comparability Laboratory, NIBRT-National Institute for Bioprocessing Research and Training, Dublin, A94 X099, Ireland
| | - Patrick Floris
- Characterization and Comparability Laboratory, NIBRT-National Institute for Bioprocessing Research and Training, Dublin, A94 X099, Ireland
| | - Meire Ribeiro da Silva
- Characterization and Comparability Laboratory, NIBRT-National Institute for Bioprocessing Research and Training, Dublin, A94 X099, Ireland
| | - Florian Füssl
- Characterization and Comparability Laboratory, NIBRT-National Institute for Bioprocessing Research and Training, Dublin, A94 X099, Ireland
| | - Sara Carillo
- Characterization and Comparability Laboratory, NIBRT-National Institute for Bioprocessing Research and Training, Dublin, A94 X099, Ireland
| | - Jonathan Bones
- Characterization and Comparability Laboratory, NIBRT-National Institute for Bioprocessing Research and Training, Dublin, A94 X099, Ireland.,School of Chemical and Bioprocess Engineering, University College Dublin, Dublin, D04 V1W8, Ireland
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10
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Abstract
Mass spectrometry (MS) is a powerful technique for protein identification, quantification and characterization that is widely applied in biochemical studies, and which can provide data on the quantity, structural integrity and post-translational modifications of proteins. It is therefore a versatile and widely used analytic tool for quality control of biopharmaceuticals, especially in quantifying host-cell protein impurities, identifying post-translation modifications and structural characterization of biopharmaceutical proteins. Here, we summarize recent advances in MS-based analyses of these key quality attributes of the biopharmaceutical development and manufacturing processes.
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11
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Nakayasu ES, Gritsenko M, Piehowski PD, Gao Y, Orton DJ, Schepmoes AA, Fillmore TL, Frohnert BI, Rewers M, Krischer JP, Ansong C, Suchy-Dicey AM, Evans-Molina C, Qian WJ, Webb-Robertson BJM, Metz TO. Tutorial: best practices and considerations for mass-spectrometry-based protein biomarker discovery and validation. Nat Protoc 2021; 16:3737-3760. [PMID: 34244696 PMCID: PMC8830262 DOI: 10.1038/s41596-021-00566-6] [Citation(s) in RCA: 93] [Impact Index Per Article: 31.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2020] [Accepted: 04/26/2021] [Indexed: 02/06/2023]
Abstract
Mass-spectrometry-based proteomic analysis is a powerful approach for discovering new disease biomarkers. However, certain critical steps of study design such as cohort selection, evaluation of statistical power, sample blinding and randomization, and sample/data quality control are often neglected or underappreciated during experimental design and execution. This tutorial discusses important steps for designing and implementing a liquid-chromatography-mass-spectrometry-based biomarker discovery study. We describe the rationale, considerations and possible failures in each step of such studies, including experimental design, sample collection and processing, and data collection. We also provide guidance for major steps of data processing and final statistical analysis for meaningful biological interpretations along with highlights of several successful biomarker studies. The provided guidelines from study design to implementation to data interpretation serve as a reference for improving rigor and reproducibility of biomarker development studies.
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Affiliation(s)
- Ernesto S Nakayasu
- Biological Sciences Division, Pacific Northwest National Laboratory, Richland, WA, USA.
| | - Marina Gritsenko
- Biological Sciences Division, Pacific Northwest National Laboratory, Richland, WA, USA
| | - Paul D Piehowski
- Biological Sciences Division, Pacific Northwest National Laboratory, Richland, WA, USA
| | - Yuqian Gao
- Biological Sciences Division, Pacific Northwest National Laboratory, Richland, WA, USA
| | - Daniel J Orton
- Biological Sciences Division, Pacific Northwest National Laboratory, Richland, WA, USA
| | - Athena A Schepmoes
- Biological Sciences Division, Pacific Northwest National Laboratory, Richland, WA, USA
| | - Thomas L Fillmore
- Biological Sciences Division, Pacific Northwest National Laboratory, Richland, WA, USA
| | - Brigitte I Frohnert
- Barbara Davis Center for Diabetes, School of Medicine, University of Colorado, Aurora, CO, USA
| | - Marian Rewers
- Barbara Davis Center for Diabetes, School of Medicine, University of Colorado, Aurora, CO, USA
| | - Jeffrey P Krischer
- Morsani College of Medicine, University of South Florida, Tampa, FL, USA
| | - Charles Ansong
- Biological Sciences Division, Pacific Northwest National Laboratory, Richland, WA, USA
| | - Astrid M Suchy-Dicey
- Elson S. Floyd College of Medicine, Washington State University, Seattle, WA, USA
| | - Carmella Evans-Molina
- Center for Diabetes and Metabolic Diseases and the Herman B Wells Center for Pediatric Research, Indiana University School of Medicine, Indianapolis, IN, USA
| | - Wei-Jun Qian
- Biological Sciences Division, Pacific Northwest National Laboratory, Richland, WA, USA
| | - Bobbie-Jo M Webb-Robertson
- Biological Sciences Division, Pacific Northwest National Laboratory, Richland, WA, USA
- Department of Biostatistics and Informatics, University of Colorado Anschutz Medical Campus, Aurora, CO, USA
| | - Thomas O Metz
- Biological Sciences Division, Pacific Northwest National Laboratory, Richland, WA, USA.
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12
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Skeene K, Khatri K, Soloviev Z, Lapthorn C. Current status and future prospects for ion-mobility mass spectrometry in the biopharmaceutical industry. BIOCHIMICA ET BIOPHYSICA ACTA-PROTEINS AND PROTEOMICS 2021; 1869:140697. [PMID: 34246790 DOI: 10.1016/j.bbapap.2021.140697] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 02/05/2021] [Revised: 06/11/2021] [Accepted: 07/06/2021] [Indexed: 12/12/2022]
Abstract
Detailed characterization of protein reagents and biopharmaceuticals is key in defining successful drug discovery campaigns, aimed at bringing molecules through different discovery stages up to development and commercialization. There are many challenges in this process, with complex and detailed analyses playing paramount roles in modern industry. Mass spectrometry (MS) has become an essential tool for characterization of proteins ever since the onset of soft ionization techniques and has taken the lead in quality assessment of biopharmaceutical molecules, and protein reagents, used in the drug discovery pipeline. MS use spans from identification of correct sequences, to intact molecule analyses, protein complexes and more recently epitope and paratope identification. MS toolkits could be incredibly diverse and with ever evolving instrumentation, increasingly novel MS-based techniques are becoming indispensable tools in the biopharmaceutical industry. Here we discuss application of Ion Mobility MS (IMMS) in an industrial setting, and what the current applications and outlook are for making IMMS more mainstream.
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Affiliation(s)
- Kirsty Skeene
- Biopharm Process Research, Medicinal Science and Technology, GlaxoSmithKline, Stevenage SG1 2NY, UK.
| | - Kshitij Khatri
- Structure and Function Characterization, CMC-Analytical, GlaxoSmithKline, Collegeville, PA 19406, USA.
| | - Zoja Soloviev
- Protein, Cellular and Structural Sciences, Medicinal Science and Technology, GlaxoSmithKline, Stevenage SG1 2NY, UK.
| | - Cris Lapthorn
- Structure and Function Characterization, CMC-Analytical, GlaxoSmithKline, Stevenage SG1 2NY, UK.
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13
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Molden R, Hu M, Yen E S, Saggese D, Reilly J, Mattila J, Qiu H, Chen G, Bak H, Li N. Host cell protein profiling of commercial therapeutic protein drugs as a benchmark for monoclonal antibody-based therapeutic protein development. MAbs 2021; 13:1955811. [PMID: 34365906 PMCID: PMC8354607 DOI: 10.1080/19420862.2021.1955811] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2021] [Revised: 06/28/2021] [Accepted: 07/12/2021] [Indexed: 01/20/2023] Open
Abstract
Therapeutic proteins including monoclonal antibodies (mAbs) are usually produced in engineered host cell lines that also produce thousands of endogenous proteins at varying levels. A critical aspect of the development of biotherapeutics manufacturing processes is the removal of these host cell proteins (HCP) to appropriate levels in order to minimize risk to patient safety and drug efficacy. During the development process and associated analytical characterization, mass spectrometry (MS) has become an increasingly popular tool for HCP analysis due to its ability to provide both relative abundance and identity of individual HCP and because the method does not rely on polyclonal antibodies, which are used in enzyme-linked immunosorbent assays. In this study, HCP from 29 commercially marketed mAb and mAb-based therapeutics were profiled using liquid chromatography (LC)-MS/MS with the identification and relative quantification of 79 individual HCP in total. Excluding an outlier drug, the relative levels of individual HCP determined in the approved therapeutics were generally low, with an average of 20 ppm (µmol HCP/mol drug) measured by LC-MS/MS, and only a few (<7 in average) HCP were identified in each drug analyzed. From this analysis, we also gained knowledge about which HCP are frequently identified in mAb-based products and their typical levels relative to the drugs for the identified individual HCP. In addition, we examined HCP composition from antibodies produced in house and found our current development process brings HCP to levels that are consistent with marketed drugs. Finally, we described a specific case to demonstrate how the HCP information from commercially marketed drugs could inform future HCP analyses.
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Affiliation(s)
- Rosalynn Molden
- Analytical Chemistry, Regeneron Pharmaceuticals, Inc, Tarrytown, New York, USA
| | - Mengqi Hu
- Analytical Chemistry, Regeneron Pharmaceuticals, Inc, Tarrytown, New York, USA
| | - Sook Yen E
- Analytical Chemistry, Regeneron Pharmaceuticals, Inc, Tarrytown, New York, USA
| | - Diana Saggese
- Analytical Chemistry, Regeneron Pharmaceuticals, Inc, Tarrytown, New York, USA
| | - James Reilly
- Preclinical Manufacturing and Process Development, Regeneron Pharmaceuticals, Inc, Tarrytown, New York, USA
| | - John Mattila
- Preclinical Manufacturing and Process Development, Regeneron Pharmaceuticals, Inc, Tarrytown, New York, USA
| | - Haibo Qiu
- Analytical Chemistry, Regeneron Pharmaceuticals, Inc, Tarrytown, New York, USA
| | - Gang Chen
- Protein Expression Sciences, Regeneron Pharmaceuticals, Inc, Tarrytown, New York, USA
| | - Hanne Bak
- Preclinical Manufacturing and Process Development, Regeneron Pharmaceuticals, Inc, Tarrytown, New York, USA
| | - Ning Li
- Analytical Chemistry, Regeneron Pharmaceuticals, Inc, Tarrytown, New York, USA
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