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Goumenou A, Chendo C, Combès A, Fournier T, Pichon V, Delaunay N. Characterization of Concanavalin A-based lectin sorbents for the extraction of the human chorionic gonadotropin glycoforms prior to analysis by nano liquid chromatography-high resolution mass spectrometry. J Pharm Biomed Anal 2024; 242:116022. [PMID: 38354538 DOI: 10.1016/j.jpba.2024.116022] [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: 12/08/2023] [Revised: 01/24/2024] [Accepted: 02/06/2024] [Indexed: 02/16/2024]
Abstract
Human chorionic gonadotropin (hCG) is constituted of the hCGα and hCGβ subunits and is a highly glycosylated protein. Affinity supports based on immobilized Concanavalin A (Con A) lectin were used in solid phase extraction (SPE) to fractionate the hCG glycoforms according to their glycosylation state. For the first time, the lectin SPE fractions were off-line analysed by a nano liquid chromatography - high-resolution mass spectrometry (nanoLC-HRMS) method keeping the glycoforms intact. For this, home-made Con A sorbents were prepared by immobilizing lectin on Sepharose with a mean grafting yield of 98.2% (relative standard deviation (RSD) of 3.5%, n = 15). A capacity of about 100 μg of purified urinary hCG (uhCG) per ml of sorbent, grafted with a density of 10 mg of Con A per ml, was estimated. Average extraction yields of around 60% for both hCGα and hCGβ glycoforms were obtained after optimization of the extraction protocol. Intra- and inter-assay evaluation led to average RSD values of around 10%, indicating a repeatable extraction procedure. Similar results were obtained with commercial Con A-based sorbents but only after their 3rd use or after an extensive pre-conditioning step. Finally, the Con A SPE led to the fractionation of some glycoforms of uhCG, allowing the detection of an hCGα glycoform with two tetra-antennary N-glycans that couldn't be detected by direct analysis in nanoLC-HRMS without Con A SPE. Regarding a recombinant hCG, a fractionation was also observed leading to the detection of unretained hCGα glycoforms with tri-antennary N-glycans. Therefore, the combination of lectin SPE with intact protein analysis by nanoLC-HRMS can contribute to a more detailed glycosylation characterization of the hCG protein.
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Affiliation(s)
- Anastasia Goumenou
- Laboratory of Analytical, Bioanalytical Sciences and Miniaturization, Chemistry, Biology and Innovation (CBI) UMR 8231, ESPCI Paris PSL, CNRS, PSL Research University, Paris, France
| | - Christophe Chendo
- Laboratory of Analytical, Bioanalytical Sciences and Miniaturization, Chemistry, Biology and Innovation (CBI) UMR 8231, ESPCI Paris PSL, CNRS, PSL Research University, Paris, France
| | - Audrey Combès
- Laboratory of Analytical, Bioanalytical Sciences and Miniaturization, Chemistry, Biology and Innovation (CBI) UMR 8231, ESPCI Paris PSL, CNRS, PSL Research University, Paris, France
| | - Thierry Fournier
- Université Paris Cité, INSERM, "Pathophysiology & Pharmacotoxicology of the Human Placenta, pre & postnatal Microbiota", 3PHM, F-75006 Paris, France
| | - Valérie Pichon
- Laboratory of Analytical, Bioanalytical Sciences and Miniaturization, Chemistry, Biology and Innovation (CBI) UMR 8231, ESPCI Paris PSL, CNRS, PSL Research University, Paris, France; Sorbonne Université, Paris, France
| | - Nathalie Delaunay
- Laboratory of Analytical, Bioanalytical Sciences and Miniaturization, Chemistry, Biology and Innovation (CBI) UMR 8231, ESPCI Paris PSL, CNRS, PSL Research University, Paris, France.
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2
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Tomašovský R, Opetová M, Havlikova J, Mikuš P, Maráková K. Capillary electrophoresis on-line hyphenated with mass spectrometry for analysis of insulin-like growth factor-1 in pharmaceutical preparations. Electrophoresis 2023; 44:1674-1681. [PMID: 37433984 DOI: 10.1002/elps.202300089] [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: 04/29/2023] [Revised: 06/15/2023] [Accepted: 06/22/2023] [Indexed: 07/13/2023]
Abstract
Insulin-like growth factor-1 (IGF-1) is a 70-amino acid single-chain polypeptide, which has found application in diagnostics as a biomarker of growth hormone disorders and as a therapy for growth failure in children and adolescents. Due to its strong anabolic effects, it is often abused by athletes for doping purposes. Here, we developed an on-line hyphenated method based on capillary zone electrophoresis (CZE) and triple quadrupole mass spectrometry (MS) detection with electrospray ionization (CZE-electrospray ionization source-MS [CZE-ESI-MS]) for the determination of IGF-1 in pharmaceutical matrices. We achieved a highly efficient, accurate, repeatable, sensitive, and selective analysis of IGF-1 with favorable migration times (<15 min). Optimized and validated CZE-ESI-MS method was successfully applied for the determination of IGF-1 in injectable solutions (Increlex®), and its presence was also confirmed in nutritional preparations (tablets and liquid colostrum). This is the first validated CZE-ESI-MS method for the determination of IGF-1 in pharmaceutical matrices revealing the potential of capillary electrophoresis for its use in drug quality control laboratories with benefits, such as high separation efficiency, high-speed analysis, low sample consumption, as well as environmental and cost aspects.
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Affiliation(s)
- Radovan Tomašovský
- Department of Pharmaceutical Analysis and Nuclear Pharmacy, Comenius University Bratislava, Faculty of Pharmacy, Bratislava, Slovakia
- Toxicological and Antidoping Center, Comenius University Bratislava, Faculty of Pharmacy, Bratislava, Slovakia
| | - Martina Opetová
- Department of Pharmaceutical Analysis and Nuclear Pharmacy, Comenius University Bratislava, Faculty of Pharmacy, Bratislava, Slovakia
- Toxicological and Antidoping Center, Comenius University Bratislava, Faculty of Pharmacy, Bratislava, Slovakia
| | - Jana Havlikova
- Department of Pharmaceutical Analysis and Nuclear Pharmacy, Comenius University Bratislava, Faculty of Pharmacy, Bratislava, Slovakia
- Toxicological and Antidoping Center, Comenius University Bratislava, Faculty of Pharmacy, Bratislava, Slovakia
| | - Peter Mikuš
- Department of Pharmaceutical Analysis and Nuclear Pharmacy, Comenius University Bratislava, Faculty of Pharmacy, Bratislava, Slovakia
- Toxicological and Antidoping Center, Comenius University Bratislava, Faculty of Pharmacy, Bratislava, Slovakia
| | - Katarína Maráková
- Department of Pharmaceutical Analysis and Nuclear Pharmacy, Comenius University Bratislava, Faculty of Pharmacy, Bratislava, Slovakia
- Toxicological and Antidoping Center, Comenius University Bratislava, Faculty of Pharmacy, Bratislava, Slovakia
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3
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Wang ST, Sun MF, Gao H, Shen BB, Fang WJ. Monitoring of low-molecular-weight protein aggregation by CE-SDS as a complementary method to SE-HPLC. J Pharm Biomed Anal 2023; 234:115521. [PMID: 37327620 DOI: 10.1016/j.jpba.2023.115521] [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: 03/11/2023] [Revised: 06/04/2023] [Accepted: 06/08/2023] [Indexed: 06/18/2023]
Abstract
Capillary electrophoresis with sodium dodecyl sulfate (CE-SDS) has long been proven to have excellent performance in the analysis and characterization of therapeutic proteins. However, it is rarely used for the detection of low-molecular-weight proteins or peptides. Our research has proved the ability of CE-SDS to characterize the purity of low-molecular-weight proteins (i.e., <10 kDa) and even polypeptides. In this article, insulin glargine was used as a model protein, and CE-SDS was used to analyze the samples damaged by heating and light exposure. The monomers, dimers, and trimers of insulin glargine were effectively separated, and the results of the mass spectrometry also confirmed the existence of two kinds of insulin aggregates. For comparison, the size-exclusion high-performance liquid chromatography (SE-HPLC) only showed a single aggregate peak. In addition, the denaturation conditions caused only the covalent aggregates to appear in the CE-SDS analysis. These advantages also make CE-SDS an excellent supplementary technology to the traditional SE-HPLC, providing biopharmaceutical analysts with more information.
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Affiliation(s)
- Si-Tao Wang
- Institute of Drug Metabolism and Pharmaceutical Analysis, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou 310058, China
| | - Min-Fei Sun
- Institute of Drug Metabolism and Pharmaceutical Analysis, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou 310058, China; Hangzhou Institute of Innovative Medicine, Zhejiang University, Hangzhou 310016, China
| | - Han Gao
- Institute of Drug Metabolism and Pharmaceutical Analysis, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou 310058, China; Hangzhou Institute of Innovative Medicine, Zhejiang University, Hangzhou 310016, China
| | - Bin-Bin Shen
- Institute of Drug Metabolism and Pharmaceutical Analysis, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou 310058, China; Hangzhou Institute of Innovative Medicine, Zhejiang University, Hangzhou 310016, China
| | - Wei-Jie Fang
- Institute of Drug Metabolism and Pharmaceutical Analysis, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou 310058, China; Hangzhou Institute of Innovative Medicine, Zhejiang University, Hangzhou 310016, China; Innovation Center of Translational Pharmacy, Jinhua Institute of Zhejiang University, Jinhua 321000, China; Research Institute of Zhejiang University-Taizhou, Taizhou 317000, China.
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4
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Stutz H. Advances and applications of electromigration methods in the analysis of therapeutic and diagnostic recombinant proteins – A Review. J Pharm Biomed Anal 2022; 222:115089. [DOI: 10.1016/j.jpba.2022.115089] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2022] [Revised: 09/28/2022] [Accepted: 09/29/2022] [Indexed: 11/29/2022]
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Wang Y, Hu X, Long Z, Adams E, Li J, Xu M, Liang C, Ning B, Hu C, Zhang Y. Proteomic analysis of Penicillin G acylases and resulting residues in semi-synthetic β-lactam antibiotics using liquid chromatography - tandem mass spectrometry. J Chromatogr A 2022; 1678:463365. [PMID: 35907366 DOI: 10.1016/j.chroma.2022.463365] [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: 05/25/2022] [Revised: 07/18/2022] [Accepted: 07/21/2022] [Indexed: 12/31/2022]
Abstract
Penicillin G acylase (PGA), as a key enzyme, is increasingly used in the commercial production of semi-synthetic β-lactam antibiotics (SSBAs). With the substitution of conventional chemical synthesis by emerging bioconversion processes, more and more PGAs fermented from different types of strains such as Escherichia coli (E. coli, ATCC 11105), Achromobacter sp. CCM 4824 and Providencia rettgeri (ATCC 31052) have been used in this kind of enzymatic processes. As an intermediate reaction catalyst, PGA protein and its presence in the final products may cause a potential risk of human allergic reaction and bring challenges for both quality and process controls. To achieve qualitative and quantitative analysis of PGAs and their residues in SSBAs, a tryptic digestion coupled with liquid chromatography - tandem mass spectrometry (LC-MS/MS) method was developed and proposed because of advantages like high selectivity and sensitivity. A suitable filter aided sample preparation (FASP) method was also used to remove matrix interference and to enrich the target PGA retained in the ultrafiltration membrane for an efficient enzymatic hydrolysis and subsequent accurate MS detection. Finally, twelve batches of PGAs from eight companies were identified and categorized into two types of strains (E. coli and Achromobacter sp. CCM 4824) using proteomic analysis. In total nine batches of five types of SSBAs (amoxicillin, cephalexin, cefprozil, cefdinir and cefaclor) from eight manufacturers were selected for investigation. Trace levels of PGA residual proteins ranging from 0.01 to 0.44 ppm were detected in six batches of different SSBAs which were far lower than the safety limit of 35 ppm reported by DSM, a manufacturer with expertise in the production of SSBAs by enzymatic processes. The developed FASP with LC-MS/MS method is superior to traditional protein assays in terms of selectivity, sensitivity and accuracy. Moreover, it could provide in-depth analysis of amino acid sequences and signature peptides contributing to assignment of the strain sources of PGAs. This method could become a promising and powerful tool to monitor enzymatic process robustness and reliability of this kind of SSBAs manufacturing.
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Affiliation(s)
- Yan Wang
- School of Pharmacy, Health Science Center, Xi'an Jiaotong University, Xi'an 710061, China; Department of Antibiotics, National Institutes for Food and Drug Control (NIFDC), Beijing 102629, China
| | - Xinyue Hu
- Department of Antibiotics, National Institutes for Food and Drug Control (NIFDC), Beijing 102629, China
| | - Zhen Long
- Thermo Fisher Scientific Corporation, Beijing 100080, China
| | - Erwin Adams
- Department of Pharmaceutical and Pharmacological Sciences, Pharmaceutical Analysis, KU Leuven, University of Leuven, Herestraat 49, O&N2, PB 923, Leuven 3000, Belgium
| | - Jin Li
- Department of Antibiotics, National Institutes for Food and Drug Control (NIFDC), Beijing 102629, China
| | - Mingzhe Xu
- Department of Antibiotics, National Institutes for Food and Drug Control (NIFDC), Beijing 102629, China
| | - Chenggang Liang
- Department of Antibiotics, National Institutes for Food and Drug Control (NIFDC), Beijing 102629, China
| | - Baoming Ning
- Department of Antibiotics, National Institutes for Food and Drug Control (NIFDC), Beijing 102629, China
| | - Changqin Hu
- Department of Antibiotics, National Institutes for Food and Drug Control (NIFDC), Beijing 102629, China
| | - Yanmin Zhang
- School of Pharmacy, Health Science Center, Xi'an Jiaotong University, Xi'an 710061, China.
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6
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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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Kumar R, Guttman A, Rathore AS. Applications of capillary electrophoresis for biopharmaceutical product characterization. Electrophoresis 2021; 43:143-166. [PMID: 34591322 DOI: 10.1002/elps.202100182] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2021] [Revised: 09/07/2021] [Accepted: 09/23/2021] [Indexed: 12/16/2022]
Abstract
Capillary electrophoresis (CE), after being introduced several decades ago, has carved out a niche for itself in the field of analytical characterization of biopharmaceutical products. It does not only offer fast separation, high resolution in miniaturized format, but equally importantly represents an orthogonal separation mechanism to high-performance liquid chromatography. Therefore, it is not surprising that CE-based methods can be found in all major pharmacopoeias and are recommended for the analysis of biopharmaceutical products during process development, characterization, quality control, and release testing. Different separation formats of CE, such as capillary gel electrophoresis, capillary isoelectric focusing, and capillary zone electrophoresis are widely used for size and charge heterogeneity characterization as well as purity and stability testing of therapeutic proteins. Hyphenation of CE with MS is emerging as a promising bioanalytical tool to assess the primary structure of therapeutic proteins along with any impurities. In this review, we confer the latest developments in capillary electrophoresis, used for the characterization of critical quality attributes of biopharmaceutical products covering the past 6 years (2015-2021). Monoclonal antibodies, due to their significant share in the market, have been given prioritized coverage.
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Affiliation(s)
- Ramesh Kumar
- Department of Chemical Engineering, Indian Institute of Technology Delhi, Hauz Khas, New Delhi, India
| | - Andras Guttman
- Horváth Csaba Memorial Laboratories of Bioseparation Sciences, Research Center for Molecular Medicine, Faculty of Medicine, University of Debrecen, Debrecen, Hungary.,Translational Glycomics Group, Research Institute of Biomolecular and Chemical Engineering, University of Pannonia, Veszprem, Hungary
| | - Anurag S Rathore
- Department of Chemical Engineering, Indian Institute of Technology Delhi, Hauz Khas, New Delhi, India
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8
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Helena H, Ivona V, Roman Ř, František F. Current applications of capillary electrophoresis-mass spectrometry for the analysis of biologically important analytes in urine (2017 to mid-2021): A review. J Sep Sci 2021; 45:305-324. [PMID: 34538010 PMCID: PMC9292318 DOI: 10.1002/jssc.202100621] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2021] [Revised: 09/07/2021] [Accepted: 09/10/2021] [Indexed: 12/17/2022]
Abstract
Capillary electrophoresis coupled online with mass detection is a modern tool for analyzing wide ranges of compounds in complex samples, including urine. Capillary electrophoresis with mass spectrometry allows the separation and identification of various analytes spanning from small ions to high molecular weight protein complexes. Similarly to the much more common liquid chromatography‐mass spectrometry techniques, the capillary electrophoresis separation reduces the complexity of the mixture of analytes entering the mass spectrometer resulting in reduced ion suppression and a more straightforward interpretation of the mass spectrometry data. This review summarizes capillary electrophoresis with mass spectrometry studies published between the years 2017 and 2021, aiming at the determination of various compounds excreted in urine. The properties of the urine, including its diagnostical and analytical features and chemical composition, are also discussed including general protocols for the urine sample preparation. The mechanism of the electrophoretic separation and the instrumentation for capillary electrophoresis with mass spectrometry coupling is also included. This review shows the potential of the capillary electrophoresis with mass spectrometry technique for the analyses of different kinds of analytes in a complex biological matrix. The discussed applications are divided into two main groups (capillary electrophoresis with mass spectrometry for the determination of drugs and drugs of abuse in urine and capillary electrophoresis with mass spectrometry for the studies of urinary metabolome).
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Affiliation(s)
- Hrušková Helena
- Institute of Analytical Chemistry, Czech Academy of Sciences, Brno, Czech Republic.,Faculty of Science, Masaryk University, Brno, Czech Republic
| | - Voráčová Ivona
- Institute of Analytical Chemistry, Czech Academy of Sciences, Brno, Czech Republic
| | - Řemínek Roman
- Institute of Analytical Chemistry, Czech Academy of Sciences, Brno, Czech Republic
| | - Foret František
- Institute of Analytical Chemistry, Czech Academy of Sciences, Brno, Czech Republic
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Lebede M, Di Marco F, Esser-Skala W, Hennig R, Wohlschlager T, Huber CG. Exploring the Chemical Space of Protein Glycosylation in Noncovalent Protein Complexes: An Expedition along Different Structural Levels of Human Chorionic Gonadotropin by Employing Mass Spectrometry. Anal Chem 2021; 93:10424-10434. [PMID: 34288669 PMCID: PMC8340079 DOI: 10.1021/acs.analchem.1c02199] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Abstract
![]()
Modern analytical
approaches employing high-resolution mass spectrometry
(MS) facilitate the generation of a vast amount of structural data
of highly complex glycoproteins. Nevertheless, systematic interpretation
of this data at different structural levels remains an analytical
challenge. The glycoprotein utilized as a model system in this study,
human chorionic gonadotropin (hCG), exists as a heterodimer composed
of two heavily glycosylated subunits. In order to unravel the multitude
of glycoforms of recombinant hCG (drug product Ovitrelle), we combine
established techniques, such as released glycan and glycopeptide analysis,
with novel approaches employing high-performance liquid chromatography-mass
spectrometry (HPLC-MS) to characterize protein subunits and native
MS to analyze the noncovalent hCG complex. Starting from the deconvoluted
mass spectrum of dimeric hCG comprising about 50 signals, it was possible
to explore the chemical space of hCG glycoforms and elucidate the
complexity that hides behind just 50 signals. Systematic, stepwise
integration of data obtained at the levels of released glycans, glycopeptides,
and subunits using a computational annotation tool allowed us to reveal
1031 underlying glycoforms. Additionally, critical quality attributes
such as sialylation and core fucosylation were compared for two batches
of Ovitrelle to assess the potential product variability.
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Affiliation(s)
- Maximilian Lebede
- Department of Biosciences, Bioanalytical Research Labs, University of Salzburg, Hellbrunner Straße 34, 5020 Salzburg, Austria.,Christian Doppler Laboratory for Innovative Tools for Biosimilar Characterization, University of Salzburg, Hellbrunner Straße 34, 5020 Salzburg, Austria
| | - Fiammetta Di Marco
- Department of Biosciences, Bioanalytical Research Labs, University of Salzburg, Hellbrunner Straße 34, 5020 Salzburg, Austria.,Christian Doppler Laboratory for Innovative Tools for Biosimilar Characterization, University of Salzburg, Hellbrunner Straße 34, 5020 Salzburg, Austria
| | - Wolfgang Esser-Skala
- Department of Biosciences, Bioanalytical Research Labs, University of Salzburg, Hellbrunner Straße 34, 5020 Salzburg, Austria.,Christian Doppler Laboratory for Innovative Tools for Biosimilar Characterization, University of Salzburg, Hellbrunner Straße 34, 5020 Salzburg, Austria.,Department of Biosciences, Computational Systems Biology Group, University of Salzburg, Hellbrunner Straße 34, 5020 Salzburg, Austria
| | - René Hennig
- glyXera GmbH, Brenneckestraße 20 - ZENIT, 39120 Magdeburg, Germany.,Max Planck Institute for Dynamics of Complex Technical Systems, Sandtorstraße 1, 39106 Magdeburg, Germany
| | - Therese Wohlschlager
- Department of Biosciences, Bioanalytical Research Labs, University of Salzburg, Hellbrunner Straße 34, 5020 Salzburg, Austria.,Christian Doppler Laboratory for Innovative Tools for Biosimilar Characterization, University of Salzburg, Hellbrunner Straße 34, 5020 Salzburg, Austria
| | - Christian G Huber
- Department of Biosciences, Bioanalytical Research Labs, University of Salzburg, Hellbrunner Straße 34, 5020 Salzburg, Austria.,Christian Doppler Laboratory for Innovative Tools for Biosimilar Characterization, University of Salzburg, Hellbrunner Straße 34, 5020 Salzburg, Austria
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Al Matari A, Goumenou A, Combès A, Fournier T, Pichon V, Delaunay N. Identification and semi-relative quantification of intact glycoforms of human chorionic gonadotropin alpha and beta subunits by nano liquid chromatography-Orbitrap mass spectrometry. J Chromatogr A 2021; 1640:461945. [PMID: 33556683 DOI: 10.1016/j.chroma.2021.461945] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2020] [Revised: 01/11/2021] [Accepted: 01/25/2021] [Indexed: 12/27/2022]
Abstract
The human chorionic gonadotropin (hCG) protein belongs to a family of glycoprotein hormones called gonadotropins. It is a heterodimer made of two non-covalently linked subunits. The α-subunit structure, hCGα, has 2 N-glycosylation sites, while the beta subunit, hCGβ, has 2 N- and 4 O-glycosylation sites. This leads to numerous glycoforms. A method based on the analysis of hCG glycoforms at the intact level by nano-reversed phase liquid chromatography coupled to high resolution mass spectrometry (nanoLC-HRMS) with an Orbitrap analyzer was previously developed using a recombinant hCG-based drug, Ovitrelle®, as standard. It allowed the detection of about 30 hCGα glycoforms, but didn't allow the detection of hCGβ glycoforms. This method was thus here significantly modified (addition of a pre-concentration step of the sample to increase the sample volume from 70 nl to 1 µl, optimization of the gradient slope and the nature and content of the acidic additive in the mobile phase). It led to an improvement of the separation of hCGα and hCGβ glycoforms, which allowed for the first time the detection of 33 hCGβ glycoforms at intact level. In addition, a higher number of hCGα glycoforms (42 in total, i.e. a 40% increase) was detected. The figures of merit of this new method were next assessed. The relative standard deviations (RSDs) of the retention time ranged between 0.02 and 0.95% (n = 3), with an average value of 0.36% for the alpha glycoforms and between 0.01 and 1.08% (n = 3) with an average value of 0.23% for the beta glycoforms. The RSDs of the relative peak area measured on the extracted ion chromatogram of each glycoform were below 20% (n = 3), with an average value of 9.8%, thus allowing semi-relative quantification. Therefore, this method has a high potential for rapid quality control aiming for the detection and comparison of glycoforms present in glycoprotein-based pharmaceutical preparations.
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Affiliation(s)
- Amira Al Matari
- Laboratory of Analytical, Bioanalytical Sciences and Miniaturization, Chemistry, Biology and Innovation (CBI) UMR 8231, ESPCI Paris PSL, CNRS, PSL Research University, Paris, France
| | - Anastasia Goumenou
- Laboratory of Analytical, Bioanalytical Sciences and Miniaturization, Chemistry, Biology and Innovation (CBI) UMR 8231, ESPCI Paris PSL, CNRS, PSL Research University, Paris, France
| | - Audrey Combès
- Laboratory of Analytical, Bioanalytical Sciences and Miniaturization, Chemistry, Biology and Innovation (CBI) UMR 8231, ESPCI Paris PSL, CNRS, PSL Research University, Paris, France
| | - Thierry Fournier
- Université de Paris, INSERM, UMR-S1139, «Pathophysiology & Pharmacotoxicology of the Human Placenta, pre & postnatal Microbiota», 3PHM, F-75006 Paris, France
| | - Valérie Pichon
- Laboratory of Analytical, Bioanalytical Sciences and Miniaturization, Chemistry, Biology and Innovation (CBI) UMR 8231, ESPCI Paris PSL, CNRS, PSL Research University, Paris, France; Sorbonne Université, France
| | - Nathalie Delaunay
- Laboratory of Analytical, Bioanalytical Sciences and Miniaturization, Chemistry, Biology and Innovation (CBI) UMR 8231, ESPCI Paris PSL, CNRS, PSL Research University, Paris, France.
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Al Matari A, Combès A, Camperi J, Fournier T, Pichon V, Delaunay N. Identification and semi-relative quantification of intact glycoforms by nano-LC–(Orbitrap)MS: application to the α-subunit of human chorionic gonadotropin and follicle-stimulating hormone. Anal Bioanal Chem 2020; 412:5729-5741. [DOI: 10.1007/s00216-020-02794-3] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2020] [Revised: 06/16/2020] [Accepted: 06/26/2020] [Indexed: 12/29/2022]
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Fan S, Guan J, Yan F, Zhang D, Shi S, Wang S. Preparation of open‐tubular CEC column bonded with 6‐O‐monotosyl‐deoxy‐β‐cyclodextrin and its application in the enantioseparation of several related benzimidazoles. SEPARATION SCIENCE PLUS 2020. [DOI: 10.1002/sscp.202000014] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Affiliation(s)
- Shitong Fan
- School of Applied ChemistryShenyang University of Chemical Technology Shenyang P. R. China
| | - Jin Guan
- School of Applied ChemistryShenyang University of Chemical Technology Shenyang P. R. China
| | - Feng Yan
- School of Applied ChemistryShenyang University of Chemical Technology Shenyang P. R. China
| | - Dongxiang Zhang
- School of Applied ChemistryShenyang University of Chemical Technology Shenyang P. R. China
| | - Shuang Shi
- School of Applied ChemistryShenyang University of Chemical Technology Shenyang P. R. China
| | - Silin Wang
- School of Applied ChemistryShenyang University of Chemical Technology Shenyang P. R. China
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Camperi J, Combès A, Fournier T, Pichon V, Delaunay N. Analysis of the human chorionic gonadotropin protein at the intact level by HILIC-MS and comparison with RPLC-MS. Anal Bioanal Chem 2020; 412:4423-4432. [DOI: 10.1007/s00216-020-02684-8] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2020] [Revised: 04/01/2020] [Accepted: 04/24/2020] [Indexed: 12/25/2022]
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Wang AL, Paciolla M, Palmieri MJ, Hao GG. Comparison of glycoprotein separation reveals greater impact of carbohydrates and disulfides on electrophoretic mobility for CE-SDS versus SDS-PAGE. J Pharm Biomed Anal 2020; 180:113006. [DOI: 10.1016/j.jpba.2019.113006] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2019] [Revised: 11/20/2019] [Accepted: 11/21/2019] [Indexed: 12/15/2022]
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Camperi J, Pichon V, Delaunay N. Separation methods hyphenated to mass spectrometry for the characterization of the protein glycosylation at the intact level. J Pharm Biomed Anal 2019; 178:112921. [PMID: 31671335 DOI: 10.1016/j.jpba.2019.112921] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2019] [Revised: 10/07/2019] [Accepted: 10/09/2019] [Indexed: 01/26/2023]
Abstract
Glycosylation is one of the most common post-translational modifications of proteins that affects their biological activity, solubility, and half-life. Therefore, its characterization is of great interest in proteomic, particularly from a diagnostic and therapeutic point of view. However, the number and type of glycosylation sites, the degree of site occupancy and the different possible structures of glycans can lead to a very large number of isoforms for a given protein, called glycoforms. The identification of these glycoforms constitutes an important analytical challenge. Indeed, to attempt to characterize all of them, it is necessary to develop efficient separation methods associated with a sensitive and informative detection mode, such as mass spectrometry (MS). Most analytical methods are based on bottom-up proteomics, which consists in the analysis of the protein at the glycopeptides level after its digestion. Even if this approach provides essential information, including the localization and composition of glycans on the protein, it is also characterized by a loss of information on macro-heterogeneity, i.e. the nature of the glycans present on a given glycoform. The analysis of glycoforms at the intact level can overcome this disadvantage. The aim of this review is to detail the state-of-the art of separation methods that can be easily hyphenated with MS for the characterization of protein glycosylation at the intact level. The different electrophoretic and chromatographic approaches are discussed in detail. The miniaturization of these separation methods is also discussed with their potential applications. While the first studies focused on the development and optimization of the separation step to achieve high resolution between isoforms, the recent ones are much more application-oriented, such as clinical diagnosis, quality control, and glycoprotein monitoring in formulations or biological samples.
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Affiliation(s)
- Julien Camperi
- Laboratory of Analytical, Bioanalytical Sciences and Miniaturization, UMR CBI 8231 CNRS - ESPCI Paris, PSL University, Paris, France
| | - Valerie Pichon
- Laboratory of Analytical, Bioanalytical Sciences and Miniaturization, UMR CBI 8231 CNRS - ESPCI Paris, PSL University, Paris, France; Sorbonne Université, Paris, France
| | - Nathalie Delaunay
- Laboratory of Analytical, Bioanalytical Sciences and Miniaturization, UMR CBI 8231 CNRS - ESPCI Paris, PSL University, Paris, France.
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16
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Hong G, Zhang D, He Y, Yang Y, Chen P, Yang H, Zhou Z, Liu Y, Wang Y. New photothermal immunoassay of human chorionic gonadotropin using Prussian blue nanoparticle-based photothermal conversion. Anal Bioanal Chem 2019; 411:6837-6845. [PMID: 31471682 DOI: 10.1007/s00216-019-02049-w] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2019] [Revised: 07/16/2019] [Accepted: 07/22/2019] [Indexed: 12/15/2022]
Abstract
A new near-infrared-based photothermal immunosensing strategy was developed for the sensitive and feasible detection of human chorionic gonadotropin (HCG) by use of a Prussian blue nanoparticle-based photothermal conversion system. Prussian blue nanospheres synthesized by the one-pot method were used for the labeling of anti-HCG detection antibody. A sandwich-type immunoreaction was initially conducted on a monoclonal anti-HCG antibody-coated microplate with a nanoparticle-labeled signal antibody. Accompanying formation of the sandwiched immunocomplex, Prussian blue nanospheres caused photothermal conversion under 980-nm laser irradiation, thereby resulting in an increase of the temperature of the detection system measured by a portable digital thermometer. The properties and factors influencing the analytical performance of the photothermal immunoassay were studied in detail. Under the optimal conditions, the Prussian blue nanoparticle-based photothermal immunoassay exhibited good temperature responses relative to target HCG concentrations within the dynamic range of 0.01-100 ng mL-1 at a low detection limit of 5.8 pg mL-1. This system also displayed good anti-interference behavior with regard to other cancer biomarkers, good reproducibility, and relatively long storage stability. The method accuracy was evaluated for analysis of human serum specimens, giving results that matched well with those obtained with a commercial HCG enzyme-linked immunosorbent assay kit. Importantly, this protocol is promising for advanced development of photothermal immunoassays. Graphical abstract.
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Affiliation(s)
- Guolin Hong
- Department of Laboratory Medicine, The First Affiliated Hospital of Xiamen University, Xiamen, 361005, Fujian, China.,Department of Clinical Medicine, Fujian Medical University, Fuzhou, 350108, Fujian, China
| | - Dongdong Zhang
- Department of Laboratory Medicine, The First Affiliated Hospital of Xiamen University, Xiamen, 361005, Fujian, China
| | - Yinghao He
- Department of Laboratory Medicine, The First Affiliated Hospital of Xiamen University, Xiamen, 361005, Fujian, China
| | - Yuanyuan Yang
- Department of Laboratory Medicine, The First Affiliated Hospital of Xiamen University, Xiamen, 361005, Fujian, China
| | - Ping Chen
- Department of Laboratory Medicine, The First Affiliated Hospital of Xiamen University, Xiamen, 361005, Fujian, China
| | - Huijing Yang
- Department of Clinical Medicine, Fujian Medical University, Fuzhou, 350108, Fujian, China
| | - Zhiyang Zhou
- Department of Clinical Medicine, Fujian Medical University, Fuzhou, 350108, Fujian, China
| | - Yinhuan Liu
- Department of Laboratory Medicine, Fuzhou Second Hospital Affiliated to Xiamen University, Fuzhou, 350007, Fujian, China.
| | - Yan Wang
- Department of Cardiology, The Affiliated Cardiovascular Hospital of Xiamen University, Medical College of Xiamen University, Xiamen, 361004, Fujian, China.
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17
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Liu L, Qiao J, Zhang H, Qi L. Separation of antipyretic analgesics by open tubular capillary electrochromatography with homopolymer coatings. J Sep Sci 2019; 42:3016-3022. [DOI: 10.1002/jssc.201900516] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2019] [Revised: 07/08/2019] [Accepted: 07/10/2019] [Indexed: 01/20/2023]
Affiliation(s)
- Lili Liu
- College of Chemistry and Environmental ScienceHebei University Baoding P. R. China
- Beijing National Laboratory for Molecular SciencesKey Laboratory of Analytical Chemistry for Living BiosystemsInstitute of ChemistryChinese Academy of Sciences Beijing P. R. China
| | - Juan Qiao
- Beijing National Laboratory for Molecular SciencesKey Laboratory of Analytical Chemistry for Living BiosystemsInstitute of ChemistryChinese Academy of Sciences Beijing P. R. China
- School of Chemical SciencesUniversity of Chinese Academy of Sciences Beijing P. R. China
| | - Hongyi Zhang
- College of Chemistry and Environmental ScienceHebei University Baoding P. R. China
| | - Li Qi
- Beijing National Laboratory for Molecular SciencesKey Laboratory of Analytical Chemistry for Living BiosystemsInstitute of ChemistryChinese Academy of Sciences Beijing P. R. China
- School of Chemical SciencesUniversity of Chinese Academy of Sciences Beijing P. R. China
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