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Lembo A, Molinaro A, De Castro C, Berti F, Biagini M. Impact of glycosylation on viral vaccines. Carbohydr Polym 2024; 342:122402. [PMID: 39048237 DOI: 10.1016/j.carbpol.2024.122402] [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: 02/26/2024] [Revised: 05/24/2024] [Accepted: 06/11/2024] [Indexed: 07/27/2024]
Abstract
Glycosylation is the most prominent modification important for vaccines and its specific pattern depends on several factors that need to be considered when developing a new biopharmaceutical. Tailor-made glycosylation can be exploited to develop more effective and safer vaccines; for this reason, a deep understanding of both glycoengineering strategies and glycans structures and functions is required. In this review we discuss the recent advances concerning glycoprotein expression systems and the explanation of glycans immunomodulation mechanisms. Furthermore, we highlight how glycans tune the immunological properties among different vaccines platforms (whole virus, recombinant protein, nucleic acid), also comparing commercially available formulations and describing the state-of-the-art analytical technologies for glycosylation analysis. The whole review stresses the aspect of glycoprotein glycans as a potential tool to overcome nowadays medical needs in vaccine field.
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Affiliation(s)
- Antonio Lembo
- Department of Chemical Sciences, University of Naples Federico II, Naples, Italy; GSK, Siena, Italy
| | - Antonio Molinaro
- Department of Chemical Sciences, University of Naples Federico II, Naples, Italy
| | - Cristina De Castro
- Department of Chemical Sciences, University of Naples Federico II, Naples, Italy.
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2
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Sponholtz MR, Byrne PO, Lee AG, Ramamohan AR, Goldsmith JA, McCool RS, Zhou L, Johnson NV, Hsieh CL, Connors M, Karthigeyan KP, Crooks CM, Fuller AS, Campbell JD, Permar SR, Maynard JA, Yu D, Bottomley MJ, McLellan JS. Structure-based design of a soluble human cytomegalovirus glycoprotein B antigen stabilized in a prefusion-like conformation. Proc Natl Acad Sci U S A 2024; 121:e2404250121. [PMID: 39231203 PMCID: PMC11406251 DOI: 10.1073/pnas.2404250121] [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: 02/28/2024] [Accepted: 07/31/2024] [Indexed: 09/06/2024] Open
Abstract
Human cytomegalovirus (HCMV) glycoprotein B (gB) is a class III membrane fusion protein required for viral entry. HCMV vaccine candidates containing gB have demonstrated moderate clinical efficacy, but no HCMV vaccine has been approved. Here, we used structure-based design to identify and characterize amino acid substitutions that stabilize gB in its metastable prefusion conformation. One variant containing two engineered interprotomer disulfide bonds and two cavity-filling substitutions (gB-C7), displayed increased expression and thermostability. A 2.8 Å resolution cryoelectron microscopy structure shows that gB-C7 adopts a prefusion-like conformation, revealing additional structural elements at the membrane-distal apex. Unlike previous observations for several class I viral fusion proteins, mice immunized with postfusion or prefusion-stabilized forms of soluble gB protein displayed similar neutralizing antibody titers, here specifically against an HCMV laboratory strain on fibroblasts. Collectively, these results identify initial strategies to stabilize class III viral fusion proteins and provide tools to probe gB-directed antibody responses.
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Affiliation(s)
- Madeline R Sponholtz
- Department of Molecular Biosciences, The University of Texas at Austin, Austin, TX 78712
| | - Patrick O Byrne
- Department of Molecular Biosciences, The University of Texas at Austin, Austin, TX 78712
| | - Alison G Lee
- Department of Molecular Biosciences, The University of Texas at Austin, Austin, TX 78712
| | - Ajit R Ramamohan
- Department of Molecular Biosciences, The University of Texas at Austin, Austin, TX 78712
| | - Jory A Goldsmith
- Department of Molecular Biosciences, The University of Texas at Austin, Austin, TX 78712
| | - Ryan S McCool
- Department of Molecular Biosciences, The University of Texas at Austin, Austin, TX 78712
| | - Ling Zhou
- Department of Molecular Biosciences, The University of Texas at Austin, Austin, TX 78712
| | - Nicole V Johnson
- Department of Molecular Biosciences, The University of Texas at Austin, Austin, TX 78712
| | - Ching-Lin Hsieh
- Department of Molecular Biosciences, The University of Texas at Austin, Austin, TX 78712
| | - Megan Connors
- Division of Infectious Diseases, Department of Pediatrics, Weill Cornell Medicine, New York, NY 10065
| | - Krithika P Karthigeyan
- Division of Infectious Diseases, Department of Pediatrics, Weill Cornell Medicine, New York, NY 10065
| | - Chelsea M Crooks
- Division of Infectious Diseases, Department of Pediatrics, Weill Cornell Medicine, New York, NY 10065
| | - Adelaide S Fuller
- Division of Infectious Diseases, Department of Pediatrics, Weill Cornell Medicine, New York, NY 10065
| | | | - Sallie R Permar
- Division of Infectious Diseases, Department of Pediatrics, Weill Cornell Medicine, New York, NY 10065
| | - Jennifer A Maynard
- Department of Chemical Engineering, The University of Texas at Austin, Austin, TX 78712
| | - Dong Yu
- Dynavax Technologies Corporation, Emeryville, CA 94608
| | | | - Jason S McLellan
- Department of Molecular Biosciences, The University of Texas at Austin, Austin, TX 78712
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Verdú-Navarro F, Moreno-Cid JA, Weiss J, Egea-Cortines M. The advent of plant cells in bioreactors. FRONTIERS IN PLANT SCIENCE 2023; 14:1310405. [PMID: 38148861 PMCID: PMC10749943 DOI: 10.3389/fpls.2023.1310405] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/09/2023] [Accepted: 12/01/2023] [Indexed: 12/28/2023]
Abstract
Ever since agriculture started, plants have been bred to obtain better yields, better fruits, or sustainable products under uncertain biotic and abiotic conditions. However, a new way to obtain products from plant cells emerged with the development of recombinant DNA technologies. This led to the possibility of producing exogenous molecules in plants. Furthermore, plant chemodiversity has been the main source of pharmacological molecules, opening a field of plant biotechnology directed to produce high quality plant metabolites. The need for different products by the pharma, cosmetics agriculture and food industry has pushed again to develop new procedures. These include cell production in bioreactors. While plant tissue and cell culture are an established technology, beginning over a hundred years ago, plant cell cultures have shown little impact in biotechnology projects, compared to bacterial, yeasts or animal cells. In this review we address the different types of bioreactors that are currently used for plant cell production and their usage for quality biomolecule production. We make an overview of Nicotiana tabacum, Nicotiana benthamiana, Oryza sativa, Daucus carota, Vitis vinifera and Physcomitrium patens as well-established models for plant cell culture, and some species used to obtain important metabolites, with an insight into the type of bioreactor and production protocols.
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Affiliation(s)
- Fuensanta Verdú-Navarro
- Bioprocessing R&D Department, Bionet, Parque Tecnológico Fuente Álamo, Fuente Álamo, Spain
- Genética Molecular, Instituto de Biotecnología Vegetal, Universidad Politécnica de Cartagena, Cartagena, Spain
| | - Juan A. Moreno-Cid
- Bioprocessing R&D Department, Bionet, Parque Tecnológico Fuente Álamo, Fuente Álamo, Spain
| | - Julia Weiss
- Genética Molecular, Instituto de Biotecnología Vegetal, Universidad Politécnica de Cartagena, Cartagena, Spain
| | - Marcos Egea-Cortines
- Genética Molecular, Instituto de Biotecnología Vegetal, Universidad Politécnica de Cartagena, Cartagena, Spain
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Herman X, Far J, Peeters M, Quinton L, Chaumont F, Navarre C. In vivo deglycosylation of recombinant glycoproteins in tobacco BY-2 cells. PLANT BIOTECHNOLOGY JOURNAL 2023; 21:1773-1784. [PMID: 37266972 PMCID: PMC10440984 DOI: 10.1111/pbi.14074] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/18/2022] [Revised: 03/21/2023] [Accepted: 04/29/2023] [Indexed: 06/03/2023]
Abstract
Production of recombinant pharmaceutical glycoproteins has been carried out in multiple expression systems. However, N-glycosylation, which increases heterogeneity and raises safety concerns due to the presence of non-human residues, is usually not controlled. The presence and composition of N-glycans are also susceptible to affect protein stability, function and immunogenicity. To tackle these issues, we are developing glycoengineered Nicotiana tabacum Bright Yellow-2 (BY-2) cell lines through knock out and ectopic expression of genes involved in the N-glycosylation pathway. Here, we report on the generation of BY-2 cell lines producing deglycosylated proteins. To this end, endoglycosidase T was co-expressed with an immunoglobulin G or glycoprotein B of human cytomegalovirus in BY-2 cell lines producing only high mannose N-glycans. Endoglycosidase T cleaves high mannose N-glycans to generate single, asparagine-linked, N-acetylglucosamine residues. The N-glycosylation profile of the secreted antibody was determined by mass spectrometry analysis. More than 90% of the N-glycans at the conserved Asn297 site were deglycosylated. Likewise, extensive deglycosylation of glycoprotein B, which possesses 18 N-glycosylation sites, was observed. N-glycan composition of gB glycovariants was assessed by in vitro enzymatic mobility shift assay and proven to be consistent with the expected glycoforms. Comparison of IgG glycovariants by differential scanning fluorimetry revealed a significant impact of the N-glycosylation pattern on the thermal stability. Production of deglycosylated pharmaceutical proteins in BY-2 cells expands the set of glycoengineered BY-2 cell lines.
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Affiliation(s)
- Xavier Herman
- Louvain Institute of Biomolecular Science and TechnologyUCLouvainLouvain‐la‐NeuveBelgium
| | - Johann Far
- Mass Spectrometry Laboratory‐MolSys Research UnitULiegeLiègeBelgium
| | - Marie Peeters
- Louvain Institute of Biomolecular Science and TechnologyUCLouvainLouvain‐la‐NeuveBelgium
| | - Loïc Quinton
- Mass Spectrometry Laboratory‐MolSys Research UnitULiegeLiègeBelgium
| | - François Chaumont
- Louvain Institute of Biomolecular Science and TechnologyUCLouvainLouvain‐la‐NeuveBelgium
| | - Catherine Navarre
- Louvain Institute of Biomolecular Science and TechnologyUCLouvainLouvain‐la‐NeuveBelgium
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Liu D, De Schutter K, Far J, Staes A, Dewettinck K, Quinton L, Gevaert K, Smagghe G. RNAi of Mannosidase-Ia in the Colorado potato beetle and changes in the midgut and peritrophic membrane. PEST MANAGEMENT SCIENCE 2022; 78:5071-5079. [PMID: 36053804 DOI: 10.1002/ps.7145] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/02/2022] [Revised: 08/03/2022] [Accepted: 08/23/2022] [Indexed: 06/15/2023]
Abstract
BACKGROUND In addition to its role in the digestive system, the peritrophic membrane (PM) provides a physical barrier protecting the intestine from abrasion and against pathogens. Because of its sensitivity to RNA interference (RNAi), the notorious pest insect, the Colorado potato beetle (CPB, Leptinotarsa decemlineata), has become a model insect for functional studies. Previously, RNAi-mediated silencing of Mannosidase-Ia (ManIa), a key enzyme in the transition from high-mannose glycan moieties to paucimannose N-glycans, was shown to disrupt the transition from larva to pupa and the metamorphosis into adult beetles. While these effects at the organismal level were interesting in a pest control context, the effects at the organ or tissue level and also immune effects have not been investigated yet. To fill this knowledge gap, we performed an analysis of the midgut and PM in ManIa-silenced insects. RESULTS As marked phenotype, the ManIaRNAi insects, the PM pore size was found to be decreased when compared to the control GFPRNAi insects. These smaller pores are related to the observation of thinner microvilli (Mv) on the epithelial cells of the midgut of ManIaRNAi insects. A midgut and PM proteome study and reverse transcription quantitative polymerase chain reaction (RT-qPCR) analysis with a selection of marker genes was performed to characterize the midgut cells and understand their response to the silencing of ManIa. In agreement with the loss of ManIa activity, an accumulation of high-mannose N-glycans was observed in the ManIa-silenced insects. As a pathogen-associated molecular pattern (PAMP), the presence of these glycan structures could trigger the activation of the immune pathways. CONCLUSION The observed decrease in PM pore size could be a response to prevent potential pathogens to access the midgut epithelium. This hypothesis is supported by the strong increase in transcription levels of the anti-fungal peptide drosomycin-like in ManIaRNAi insects, although further research is required to elucidate this possibility. The potential immune response in the midgut and the smaller pore size in the PM shed a light on the function of the PM as a physical barrier and provide evidence for the relation between the Mv and PM. © 2022 Society of Chemical Industry.
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Affiliation(s)
- Dongdong Liu
- Laboratory of Agrozoology, Department Plants and Crops, Faculty of Bioscience Engineering, Ghent University, Ghent, Belgium
| | - Kristof De Schutter
- Laboratory of Agrozoology, Department Plants and Crops, Faculty of Bioscience Engineering, Ghent University, Ghent, Belgium
| | - Johann Far
- Mass Spectrometry Laboratory, MolSys Research Unit, University of Liège, Liège, Belgium
| | - An Staes
- VIB Center for Medical Biotechnology, Ghent University, Ghent, Belgium
- Department of Biomolecular Medicine, Ghent University, Ghent, Belgium
| | - Koen Dewettinck
- Food Structure and Function Research Group, Department of Food Technology, Safety and Health, Faculty of Bioscience Engineering, Ghent University, Ghent, Belgium
| | - Loic Quinton
- Mass Spectrometry Laboratory, MolSys Research Unit, University of Liège, Liège, Belgium
| | - Kris Gevaert
- VIB Center for Medical Biotechnology, Ghent University, Ghent, Belgium
- Department of Biomolecular Medicine, Ghent University, Ghent, Belgium
| | - Guy Smagghe
- Laboratory of Agrozoology, Department Plants and Crops, Faculty of Bioscience Engineering, Ghent University, Ghent, Belgium
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Barre A, Van Damme EJM, Klonjkowski B, Simplicien M, Sudor J, Benoist H, Rougé P. Legume Lectins with Different Specificities as Potential Glycan Probes for Pathogenic Enveloped Viruses. Cells 2022; 11:cells11030339. [PMID: 35159151 PMCID: PMC8834014 DOI: 10.3390/cells11030339] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2021] [Revised: 01/13/2022] [Accepted: 01/18/2022] [Indexed: 12/12/2022] Open
Abstract
Pathogenic enveloped viruses are covered with a glycan shield that provides a dual function: the glycan structures contribute to virus protection as well as host cell recognition. The three classical types of N-glycans, in particular complex glycans, high-mannose glycans, and hybrid glycans, together with some O-glycans, participate in the glycan shield of the Ebola virus, influenza virus, human cytomegalovirus, herpes virus, human immunodeficiency virus, Lassa virus, and MERS-CoV, SARS-CoV, and SARS-CoV-2, which are responsible for respiratory syndromes. The glycans are linked to glycoproteins that occur as metastable prefusion glycoproteins on the surface of infectious virions such as gp120 of HIV, hemagglutinin of influenza, or spike proteins of beta-coronaviruses. Plant lectins with different carbohydrate-binding specificities and, especially, mannose-specific lectins from the Vicieae tribe, such as pea lectin and lentil lectin, can be used as glycan probes for targeting the glycan shield because of their specific interaction with the α1,6-fucosylated core Man3GlcNAc2, which predominantly occurs in complex and hybrid glycans. Other plant lectins with Neu5Ac specificity or GalNAc/T/Tn specificity can also serve as potential glycan probes for the often sialylated complex glycans and truncated O-glycans, respectively, which are abundantly distributed in the glycan shield of enveloped viruses. The biomedical and therapeutical potential of plant lectins as antiviral drugs is discussed.
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Affiliation(s)
- Annick Barre
- UMR 152 PharmaDev, Institut de Recherche et Développement, Faculté de Pharmacie, Université Paul Sabatier, 35 Chemin des Maraîchers, F-31062 Toulouse, France; (A.B.); (M.S.); (J.S.); (H.B.)
| | - Els J. M. Van Damme
- Department of Biotechnology, Faculty of Bioscience Engineering, Ghent University, Coupure Links 653, B-9000 Ghent, Belgium;
| | - Bernard Klonjkowski
- UMR Virologie, INRA, ANSES, Ecole Nationale Vétérinaire d’Alfort, F-94700 Maisons-Alfort, France;
| | - Mathias Simplicien
- UMR 152 PharmaDev, Institut de Recherche et Développement, Faculté de Pharmacie, Université Paul Sabatier, 35 Chemin des Maraîchers, F-31062 Toulouse, France; (A.B.); (M.S.); (J.S.); (H.B.)
| | - Jan Sudor
- UMR 152 PharmaDev, Institut de Recherche et Développement, Faculté de Pharmacie, Université Paul Sabatier, 35 Chemin des Maraîchers, F-31062 Toulouse, France; (A.B.); (M.S.); (J.S.); (H.B.)
| | - Hervé Benoist
- UMR 152 PharmaDev, Institut de Recherche et Développement, Faculté de Pharmacie, Université Paul Sabatier, 35 Chemin des Maraîchers, F-31062 Toulouse, France; (A.B.); (M.S.); (J.S.); (H.B.)
| | - Pierre Rougé
- UMR 152 PharmaDev, Institut de Recherche et Développement, Faculté de Pharmacie, Université Paul Sabatier, 35 Chemin des Maraîchers, F-31062 Toulouse, France; (A.B.); (M.S.); (J.S.); (H.B.)
- Correspondence: ; Tel.: +33-069-552-0851
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Navarre C, Chaumont F. Production of Recombinant Glycoproteins in Nicotiana tabacum BY-2 Suspension Cells. Methods Mol Biol 2022; 2480:81-88. [PMID: 35616858 DOI: 10.1007/978-1-0716-2241-4_5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
This protocol describes a robust method to obtain transgenic Nicotiana tabacum BY-2 cells that produce glycoproteins of interest via Agrobacterium tumefaciens transformation. Compared to biolistics-based transformation, this procedure requires only standard laboratory equipment.
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Affiliation(s)
- Catherine Navarre
- Louvain Institute of Biomolecular Science and Technology, UCLouvain, Louvain-la-Neuve, Belgium
| | - François Chaumont
- Louvain Institute of Biomolecular Science and Technology, UCLouvain, Louvain-la-Neuve, Belgium.
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8
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Affiliation(s)
- Tobias
P. Wörner
- Biomolecular
Mass Spectrometry and Proteomics, Bijvoet Center for Biomolecular
Research and Utrecht Institute of Pharmaceutical Sciences, Utrecht University, Padualaan 8, 3584
CH Utrecht, The Netherlands
- Netherlands
Proteomics Center, Padualaan
8, 3584 CH Utrecht, The Netherlands
| | - Tatiana M. Shamorkina
- Biomolecular
Mass Spectrometry and Proteomics, Bijvoet Center for Biomolecular
Research and Utrecht Institute of Pharmaceutical Sciences, Utrecht University, Padualaan 8, 3584
CH Utrecht, The Netherlands
- Netherlands
Proteomics Center, Padualaan
8, 3584 CH Utrecht, The Netherlands
| | - Joost Snijder
- Biomolecular
Mass Spectrometry and Proteomics, Bijvoet Center for Biomolecular
Research and Utrecht Institute of Pharmaceutical Sciences, Utrecht University, Padualaan 8, 3584
CH Utrecht, The Netherlands
- Netherlands
Proteomics Center, Padualaan
8, 3584 CH Utrecht, The Netherlands
| | - Albert J. R. Heck
- Biomolecular
Mass Spectrometry and Proteomics, Bijvoet Center for Biomolecular
Research and Utrecht Institute of Pharmaceutical Sciences, Utrecht University, Padualaan 8, 3584
CH Utrecht, The Netherlands
- Netherlands
Proteomics Center, Padualaan
8, 3584 CH Utrecht, The Netherlands
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Herman X, Far J, Courtoy A, Bouhon L, Quinton L, De Pauw E, Chaumont F, Navarre C. Inactivation of N-Acetylglucosaminyltransferase I and α1,3-Fucosyltransferase Genes in Nicotiana tabacum BY-2 Cells Results in Glycoproteins With Highly Homogeneous, High-Mannose N-Glycans. FRONTIERS IN PLANT SCIENCE 2021; 12:634023. [PMID: 33584780 PMCID: PMC7873608 DOI: 10.3389/fpls.2021.634023] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/26/2020] [Accepted: 01/05/2021] [Indexed: 05/21/2023]
Abstract
Nicotiana tabacum Bright Yellow-2 (BY-2) suspension cells are among the most commonly used plant cell lines for producing biopharmaceutical glycoproteins. Recombinant glycoproteins are usually produced with a mix of high-mannose and complex N-glycans. However, N-glycan heterogeneity is a concern for the production of therapeutic or vaccine glycoproteins because it can alter protein activity and might lead to batch-to-batch variability. In this report, a BY-2 cell line producing glycoproteins devoid of complex N-glycans was obtained using CRISPR/Cas9 edition of two N-acetylglucosaminyltransferase I (GnTI) genes, whose activity is a prerequisite for the formation of all complex N-glycans. The suppression of complex N-glycans in the GnTI-knocked out (KO) cell lines was assessed by Western blotting. Lack of β1,2-xylose residues confirmed the abolition of GnTI activity. Unexpectedly, α1,3-fucose residues were still detected albeit dramatically reduced as compared with wild-type cells. To suppress the remaining α1,3-fucose residues, a second genome editing targeted both GnTI and α1,3-fucosyltransferase (FucT) genes. No β1,2-xylose nor α1,3-fucose residues were detected on the glycoproteins produced by the GnTI/FucT-KO cell lines. Absence of complex N-glycans on secreted glycoproteins of GnTI-KO and GnTI/FucT-KO cell lines was confirmed by mass spectrometry. Both cell lines produced high-mannose N-glycans, mainly Man5 (80 and 86%, respectively) and Man4 (16 and 11%, respectively). The high degree of N-glycan homogeneity and the high-mannose N-glycosylation profile of these BY-2 cell lines is an asset for their use as expression platforms.
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Affiliation(s)
- Xavier Herman
- Louvain Institute of Biomolecular Science and Technology, UCLouvain, Louvain-la-Neuve, Belgium
| | - Johann Far
- Mass Spectrometry Laboratory-MolSys, GIGA Proteomics Facility, University of Liège, Liège, Belgium
| | - Adeline Courtoy
- Louvain Institute of Biomolecular Science and Technology, UCLouvain, Louvain-la-Neuve, Belgium
| | - Laurent Bouhon
- Louvain Institute of Biomolecular Science and Technology, UCLouvain, Louvain-la-Neuve, Belgium
| | - Loïc Quinton
- Mass Spectrometry Laboratory-MolSys, GIGA Proteomics Facility, University of Liège, Liège, Belgium
| | - Edwin De Pauw
- Mass Spectrometry Laboratory-MolSys, GIGA Proteomics Facility, University of Liège, Liège, Belgium
| | - François Chaumont
- Louvain Institute of Biomolecular Science and Technology, UCLouvain, Louvain-la-Neuve, Belgium
- *Correspondence: François Chaumont,
| | - Catherine Navarre
- Louvain Institute of Biomolecular Science and Technology, UCLouvain, Louvain-la-Neuve, Belgium
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Cipollo JF, Parsons LM. Glycomics and glycoproteomics of viruses: Mass spectrometry applications and insights toward structure-function relationships. MASS SPECTROMETRY REVIEWS 2020; 39:371-409. [PMID: 32350911 PMCID: PMC7318305 DOI: 10.1002/mas.21629] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/15/2019] [Revised: 04/01/2020] [Accepted: 04/05/2020] [Indexed: 05/21/2023]
Abstract
The advancement of viral glycomics has paralleled that of the mass spectrometry glycomics toolbox. In some regard the glycoproteins studied have provided the impetus for this advancement. Viral proteins are often highly glycosylated, especially those targeted by the host immune system. Glycosylation tends to be dynamic over time as viruses propagate in host populations leading to increased number of and/or "movement" of glycosylation sites in response to the immune system and other pressures. This relationship can lead to highly glycosylated, difficult to analyze glycoproteins that challenge the capabilities of modern mass spectrometry. In this review, we briefly discuss five general areas where glycosylation is important in the viral niche and how mass spectrometry has been used to reveal key information regarding structure-function relationships between viral glycoproteins and host cells. We describe the recent past and current glycomics toolbox used in these analyses and give examples of how the requirement to analyze these complex glycoproteins has provided the incentive for some advances seen in glycomics mass spectrometry. A general overview of viral glycomics, special cases, mass spectrometry methods and work-flows, informatics and complementary chemical techniques currently used are discussed. © 2020 The Authors. Mass Spectrometry Reviews published by John Wiley & Sons Ltd. Mass Spec Rev.
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Affiliation(s)
- John F. Cipollo
- Center for Biologics Evaluation and Research, Food and Drug AdministrationSilver SpringMaryland
| | - Lisa M. Parsons
- Center for Biologics Evaluation and Research, Food and Drug AdministrationSilver SpringMaryland
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