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Li Y, Miao S, Tan J, Zhang Q, Chen DDY. Capillary Electrophoresis: A Three-Year Literature Review. Anal Chem 2024; 96:7799-7816. [PMID: 38598751 DOI: 10.1021/acs.analchem.4c00857] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/12/2024]
Affiliation(s)
- Yueyang Li
- Department of Chemistry, University of British Columbia, Vancouver, British Columbia V6T 1Z1, Canada
| | - Siyu Miao
- Department of Chemistry, University of British Columbia, Vancouver, British Columbia V6T 1Z1, Canada
| | - Jiahua Tan
- Department of Chemistry, University of British Columbia, Vancouver, British Columbia V6T 1Z1, Canada
| | - Qi Zhang
- School of Pharmacy, Jiangsu University, Zhenjiang, Jiangsu 212013, P. R. China
| | - David Da Yong Chen
- Department of Chemistry, University of British Columbia, Vancouver, British Columbia V6T 1Z1, Canada
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Uçan D, Hales JE, Aoudjane S, Todd N, Dalby PA. Column-free optical deconvolution of intrinsic fluorescence for a monoclonal antibody and its product-related impurities. J Chromatogr A 2023; 1711:464463. [PMID: 37866332 DOI: 10.1016/j.chroma.2023.464463] [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: 07/24/2023] [Revised: 10/12/2023] [Accepted: 10/17/2023] [Indexed: 10/24/2023]
Abstract
The quantification of monoclonal antibody (mAb) aggregates and fragments using high pressure liquid chromatography-size exclusion chromatography (HPLC-SEC) typically requires off-line measurements that are time-consuming and therefore not compatible with real-time monitoring. However, it has been crucial to manufacturing and process development, and remains the industrial standard in the assessment of product-related impurities. Here we demonstrate that our previously established intrinsic time-resolved fluorescence (TRF) approach can be used to quantify the bioprocess critical quality attribute (CQA) of antibody product purity at various stages of a typical downstream process, with the potential to be developed for in-line bioprocess monitoring. This was directly benchmarked against industry-standard HPLC-SEC. Strong linear correlations were observed between outputs from TRF spectroscopy and HPLC-SEC, for the monomer and aggregate-fragment content, with R2 coefficients of 0.99 and 0.69, respectively. At total protein concentrations above 1.41 mg/mL, HPLC-SEC UV-Vis chromatograms displayed signs of detector saturation which reduced the accuracy of protein quantification, thus requiring additional sample dilution steps. By contrast, TRF spectroscopy increased in accuracy at these concentrations due to higher signal-to-noise ratios. Our approach opens the potential for reducing the time and labour required for validating aggregate content in mAb bioprocess stages from the several hours required for HPLC-SEC to a few minutes per sample.
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Affiliation(s)
- Deniz Uçan
- Department of Biochemical Engineering, Bernard Katz Building, University College London, Gower Street, London WC1E 6BT, UK
| | - John E Hales
- Department of Biochemical Engineering, Bernard Katz Building, University College London, Gower Street, London WC1E 6BT, UK
| | - Samir Aoudjane
- Department of Biochemical Engineering, Bernard Katz Building, University College London, Gower Street, London WC1E 6BT, UK
| | - Nathan Todd
- Cytiva, 5 Harbourgate Business Park, Southampton Road, Portsmouth PO6 4BQ, UK
| | - Paul A Dalby
- Department of Biochemical Engineering, Bernard Katz Building, University College London, Gower Street, London WC1E 6BT, UK.
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Fanali C, Della Posta S, Gentili A, Chankvetadze B, Fanali S. Recent developments in electromigration techniques related to pharmaceutical and biomedical analysis - A review. J Pharm Biomed Anal 2023; 235:115647. [PMID: 37625282 DOI: 10.1016/j.jpba.2023.115647] [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: 06/11/2023] [Revised: 08/10/2023] [Accepted: 08/12/2023] [Indexed: 08/27/2023]
Abstract
The analysis of pharmaceutical compounds is an important research topic as the use of different drugs affects people's daily life for the treatment of diseases. In addition to the widespread use of the internet, counterfeit drugs have appeared in the market. The development of modern analytical techniques, reliable, precise, sensitive, and rapid methods, has provided powerful means of analysis used in various fields such as drug production, quality control, determination of impurities and/or metabolites, biochemistry, pharmacokinetics, etc. Analytical techniques so far used in the pharmaceutical analysis include high-performance liquid chromatography (HPLC), gas chromatography (GC), super/sub-critical fluid chromatography (SFC), and capillary electromigration techniques such as capillary electrophoresis (CE) and rather rarely capillary electrochromatography (CEC). CE has some advantages over other techniques, e.g., very high efficiency, reduced costs (use of minute volumes of solvents and samples), the possibility to use different separation mechanisms, etc. In this review paper, the main features and limitations of the capillary electromigration techniques (especially CE) are discussed. Some selected applications of CE to the analysis of pharmaceutical compounds published in the period 2021-2023 (May) are reported.
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Affiliation(s)
- Chiara Fanali
- Department of Science and Technology for Humans and the Environment, University Campus Bio-Medico of Rome, Rome, Italy.
| | - Susanna Della Posta
- Department of Science and Technology for Humans and the Environment, University Campus Bio-Medico of Rome, Rome, Italy
| | - Alessandra Gentili
- Department of Chemistry, Sapienza University, P.le Aldo Moro 5, 00185 Rome, Italy
| | - Bezhan Chankvetadze
- Institute of Physical and Analytical Chemistry, School of Exact and Natural Sciences, Tbilisi State University, Tbilisi, Georgia
| | - Salvatore Fanali
- Scientific Board of the Ph.D. School in Nanosciences and Advanced Technologies, University of Verona, Verona, Italy
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Yang J, Ostafe R, Welch CJ, Verhalen B, Budyak IL, Bruening ML. Rapid Quantitation of Various Therapeutic Monoclonal Antibodies Using Membranes with Fc-Specific Ligands. Anal Chem 2023. [PMID: 37216615 DOI: 10.1021/acs.analchem.3c00531] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/24/2023]
Abstract
Therapeutic monoclonal antibodies (mAbs) provide effective treatments for many diseases, including cancer, autoimmune disorders, and, lately, COVID-19. Monitoring the concentrations of mAbs is important during their production and subsequent processing. This work demonstrates a 5 min quantitation of most human immunoglobulin G (IgG) antibodies through capture of mAbs in membranes modified with ligands that bind to the fragment crystallizable (Fc) region. This enables binding and quantitation of most IgG mAbs. Layer-by-layer (LBL) adsorption of carboxylic acid-rich polyelectrolytes in glass-fiber membranes in 96-well plates allows functionalization of the membranes with Protein A or a peptide, oxidized Fc20 (oFc20), with high affinity for the Fc region of human IgG. mAb capture occurs in <1 min during the flow of solutions through modified membranes, and subsequent binding of a fluorophore-labeled secondary antibody enables quantitation of the captured mAbs using fluorescence. The intra- and inter-plate coefficients of variations (CV) are <10 and 15%, respectively, satisfying the acceptance criteria for many assays. The limit of detection (LOD) of 15 ng/mL is on the high end of commercial enzyme-linked immunosorbent assays (ELISAs) but certainly low enough for monitoring of manufacturing solutions. Importantly, the membrane-based method requires <5 minutes, whereas ELISAs typically take at least 90 min. Membranes functionalized with oFc20 show greater mAb binding and lower LODs than membranes with Protein A. Thus, the membrane-based 96-well-plate assay, which is effective in diluted fermentation broths and in mixtures with cell lysates, is suitable for near-real-time monitoring of the general class of human IgG mAbs during their production.
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Affiliation(s)
- Junyan Yang
- Department of Chemical and Biomolecular Engineering, University of Notre Dame, Notre Dame, Indiana 46556, United States
| | - Raluca Ostafe
- Molecular Evolution, Protein Engineering and Production Facility, Purdue Institute for Inflammation, Immunology and Infection Diseases, Purdue University, West Lafayette, Indiana 47907, United States
| | - Christopher J Welch
- Indiana Consortium for Analytical Science & Engineering (ICASE), 410 W. 10th St., # 1020H, Indianapolis, Indiana 46202, United States
| | - Brandy Verhalen
- Corteva Agriscience, 8325 NW 62nd Ave, Johnston, Iowa 50131, United States
| | - Ivan L Budyak
- Biopharmaceutical Research and Development, Lilly Research Laboratories, Eli Lilly and Company, Indianapolis, Indiana 46285, United States
| | - Merlin L Bruening
- Department of Chemical and Biomolecular Engineering, University of Notre Dame, Notre Dame, Indiana 46556, United States
- Department of Chemistry and Biochemistry, University of Notre Dame, Notre Dame, Indiana 46556, United States
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Bhimwal R, Rustandi RR, Payne A, Dawod M. Recent advances in capillary gel electrophoresis for the analysis of proteins. J Chromatogr A 2022; 1682:463453. [DOI: 10.1016/j.chroma.2022.463453] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2022] [Revised: 08/23/2022] [Accepted: 08/25/2022] [Indexed: 11/16/2022]
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Sodium Dodecyl Sulfate-Capillary Gel Electrophoresis with Native Fluorescence Detection for Analysis of Therapeutic Proteins. J Pharm Biomed Anal 2022; 213:114689. [DOI: 10.1016/j.jpba.2022.114689] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2022] [Revised: 02/19/2022] [Accepted: 02/21/2022] [Indexed: 11/19/2022]
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Štěpánová S, Kašička V. Applications of capillary electromigration methods for separation and analysis of proteins (2017–mid 2021) – A review. Anal Chim Acta 2022; 1209:339447. [DOI: 10.1016/j.aca.2022.339447] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2021] [Revised: 01/04/2022] [Accepted: 01/04/2022] [Indexed: 12/11/2022]
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