1
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Hussnaetter KP, Palm P, Pich A, Franzreb M, Rapp E, Elling L. Strategies for Automated Enzymatic Glycan Synthesis (AEGS). Biotechnol Adv 2023; 67:108208. [PMID: 37437855 DOI: 10.1016/j.biotechadv.2023.108208] [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: 12/22/2022] [Revised: 06/30/2023] [Accepted: 07/07/2023] [Indexed: 07/14/2023]
Abstract
Glycans are the most abundant biopolymers on earth and are constituents of glycoproteins, glycolipids, and proteoglycans with multiple biological functions. The availability of different complex glycan structures is of major interest in biotechnology and basic research of biological systems. High complexity, establishment of general and ubiquitous synthesis techniques, as well as sophisticated analytics, are major challenges in the development of glycan synthesis strategies. Enzymatic glycan synthesis with Leloir-glycosyltransferases is an attractive alternative to chemical synthesis as it can achieve quantitative regio- and stereoselective glycosylation in a single step. Various strategies for synthesis of a wide variety of different glycan structures has already be established and will exemplarily be discussed in the scope of this review. However, the application of enzymatic glycan synthesis in an automated system has high demands on the equipment, techniques, and methods. Different automation approaches have already been shown. However, while these techniques have been applied for several glycans, only a few strategies are able to conserve the full potential of enzymatic glycan synthesis during the process - economical and enzyme technological recycling of enzymes is still rare. In this review, we show the major challenges towards Automated Enzymatic Glycan Synthesis (AEGS). First, we discuss examples for immobilization of glycans or glycosyltransferases as an important prerequisite for the embedment and implementation in an enzyme reactor. Next, improvement of bioreactors towards automation will be described. Finally, analysis and monitoring of the synthesis process are discussed. Furthermore, automation processes and cycle design are highlighted. Accordingly, the transition of recent approaches towards a universal automated glycan synthesis platform will be projected. To this end, this review aims to describe essential key features for AEGS, evaluate the current state-of-the-art and give thought- encouraging impulses towards future full automated enzymatic glycan synthesis.
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Affiliation(s)
- Kai Philip Hussnaetter
- Laboratory for Biomaterials, Institute for Biotechnology and Helmholtz-Institute for Biomedical Engineering, RWTH Aachen University, Pauwelsstraße 20, D-52074 Aachen, Germany
| | - Philip Palm
- Laboratory for Biomaterials, Institute for Biotechnology and Helmholtz-Institute for Biomedical Engineering, RWTH Aachen University, Pauwelsstraße 20, D-52074 Aachen, Germany
| | - Andrij Pich
- Functional and Interactive Polymers, Institute of Technical and Macromolecular Chemistry and DWI Leibniz-Institute for Interactive Materials e.V., RWTH Aachen University, Forckenbeckstr. 50, 52074 Aachen, Germany
| | - Matthias Franzreb
- Karlsruher Institute of Technology (KIT), Institute of Functional Interfaces, Hermann v. Helmholtz, Platz 1, 76344 Eggenstein-Leopoldshafen, Germany
| | - Erdmann Rapp
- glyXera GmbH, Brenneckestrasse 20 * ZENIT, 39120 Magdeburg, Germany; Max Planck Institute for Dynamics of Complex Technical System, Bioprocess Engineering, Sandtorstrasse 1, 39106 Magdeburg, Germany
| | - Lothar Elling
- Laboratory for Biomaterials, Institute for Biotechnology and Helmholtz-Institute for Biomedical Engineering, RWTH Aachen University, Pauwelsstraße 20, D-52074 Aachen, Germany.
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2
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Serna S, Artschwager R, Pérez-Martínez D, Lopez R, Reichardt NC. A Versatile Urea Type Linker for Functionalizing Natural Glycans and Its Validation in Glycan Arrays. Chemistry 2023; 29:e202301494. [PMID: 37347819 DOI: 10.1002/chem.202301494] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2023] [Revised: 06/21/2023] [Accepted: 06/22/2023] [Indexed: 06/24/2023]
Abstract
The isolation from organisms and readily available glycoproteins has become an increasingly convenient source of N-glycans for multiple applications including glycan microarrays, as reference standards in glycan analysis or as reagents that improve bioavailability of protein and peptide therapeutics through conjugation. A problematic step in the isolation process on a preparative scale can be the attachment of a linker for the improved purification, separation, immobilization and quantification of the glycan structures. Addressing this issue, we firstly aimed for the development of an UV active linker for a fast and reliable attachment to anomeric glycosylamines via urea bond formation. Secondly, we validated the new linker on glycan arrays in a comparative study with a collection of N-glycans which were screened against various lectins. In total, we coupled four structurally varied N-glycans to four different linkers, immobilized all constructs on a microarray and compared their binding affinities to four plant and fungal lectins of widely described specificity. Our study shows that the urea type linker showed an overall superior performance for lectin binding and once more, highlights the often neglected influence of the choice of linker on lectin recognition.
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Affiliation(s)
- Sonia Serna
- Glycotechnology Group, Basque Research and Technology Alliance (BRTA) CIC biomaGUNE, Paseo Miramon 194, 20014, Donostia-San Sebastián, Spain
| | - Raik Artschwager
- Glycotechnology Group, Basque Research and Technology Alliance (BRTA) CIC biomaGUNE, Paseo Miramon 194, 20014, Donostia-San Sebastián, Spain
- Current address: Memorial Sloan Kettering Cancer Center New York, New York, 10065, USA
| | - Damián Pérez-Martínez
- Glycotechnology Group, Basque Research and Technology Alliance (BRTA) CIC biomaGUNE, Paseo Miramon 194, 20014, Donostia-San Sebastián, Spain
| | - Rosa Lopez
- Organic Chemistry Department I, University of the Basque Country (UPV/EHU), Paseo Manuel Lardizabal 3, 20018, Donostia-San Sebastián, Spain
| | - Niels-Christian Reichardt
- Glycotechnology Group, Basque Research and Technology Alliance (BRTA) CIC biomaGUNE, Paseo Miramon 194, 20014, Donostia-San Sebastián, Spain
- CIBER-BBN, Paseo Miramon 194, 20014, Donostia-San Sebastián, Spain
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3
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Lin CL, Sojitra M, Carpenter EJ, Hayhoe ES, Sarkar S, Volker EA, Wang C, Bui DT, Yang L, Klassen JS, Wu P, Macauley MS, Lowary TL, Derda R. Chemoenzymatic synthesis of genetically-encoded multivalent liquid N-glycan arrays. Nat Commun 2023; 14:5237. [PMID: 37640713 PMCID: PMC10462762 DOI: 10.1038/s41467-023-40900-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2022] [Accepted: 08/09/2023] [Indexed: 08/31/2023] Open
Abstract
Cellular glycosylation is characterized by chemical complexity and heterogeneity, which is challenging to reproduce synthetically. Here we show chemoenzymatic synthesis on phage to produce a genetically-encoded liquid glycan array (LiGA) of complex type N-glycans. Implementing the approach involved by ligating an azide-containing sialylglycosyl-asparagine to phage functionalized with 50-1000 copies of dibenzocyclooctyne. The resulting intermediate can be trimmed by glycosidases and extended by glycosyltransferases yielding a phage library with different N-glycans. Post-reaction analysis by MALDI-TOF MS allows rigorous characterization of N-glycan structure and mean density, which are both encoded in the phage DNA. Use of this LiGA with fifteen glycan-binding proteins, including CD22 or DC-SIGN on cells, reveals optimal structure/density combinations for recognition. Injection of the LiGA into mice identifies glycoconjugates with structures and avidity necessary for enrichment in specific organs. This work provides a quantitative evaluation of the interaction of complex N-glycans with GBPs in vitro and in vivo.
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Affiliation(s)
- Chih-Lan Lin
- Department of Chemistry, University of Alberta, Edmonton, AB T6G 2G2, Canada
| | - Mirat Sojitra
- Department of Chemistry, University of Alberta, Edmonton, AB T6G 2G2, Canada
| | - Eric J Carpenter
- Department of Chemistry, University of Alberta, Edmonton, AB T6G 2G2, Canada
| | - Ellen S Hayhoe
- Department of Chemistry, University of Alberta, Edmonton, AB T6G 2G2, Canada
| | - Susmita Sarkar
- Department of Chemistry, University of Alberta, Edmonton, AB T6G 2G2, Canada
| | - Elizabeth A Volker
- Department of Chemistry, University of Alberta, Edmonton, AB T6G 2G2, Canada
| | - Chao Wang
- Department of Molecular Medicine, The Scripps Research Institute, 10550 N. Torrey Pines Road, La Jolla, CA, 92037, USA
| | - Duong T Bui
- Department of Chemistry, University of Alberta, Edmonton, AB T6G 2G2, Canada
| | - Loretta Yang
- Lectenz Bio, 111 Riverbend Rd, Athens, GA, 30602, USA
| | - John S Klassen
- Department of Chemistry, University of Alberta, Edmonton, AB T6G 2G2, Canada
| | - Peng Wu
- Department of Molecular Medicine, The Scripps Research Institute, 10550 N. Torrey Pines Road, La Jolla, CA, 92037, USA
| | - Matthew S Macauley
- Department of Chemistry, University of Alberta, Edmonton, AB T6G 2G2, Canada
- Department of Medical Microbiology and Immunology, University of Alberta, Edmonton, AB, T6G 2E1, Canada
| | - Todd L Lowary
- Department of Chemistry, University of Alberta, Edmonton, AB T6G 2G2, Canada
- Institute of Biological Chemistry, Academia Sinica, Taipei, Taiwan
- Institute of Biochemical Sciences, National Taiwan University, Taipei, Taiwan
| | - Ratmir Derda
- Department of Chemistry, University of Alberta, Edmonton, AB T6G 2G2, Canada.
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4
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Griffin ME, Hsieh-Wilson LC. Tools for mammalian glycoscience research. Cell 2022; 185:2657-2677. [PMID: 35809571 PMCID: PMC9339253 DOI: 10.1016/j.cell.2022.06.016] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2022] [Revised: 06/08/2022] [Accepted: 06/08/2022] [Indexed: 10/17/2022]
Abstract
Cellular carbohydrates or glycans are critical mediators of biological function. Their remarkably diverse structures and varied activities present exciting opportunities for understanding many areas of biology. In this primer, we discuss key methods and recent breakthrough technologies for identifying, monitoring, and manipulating glycans in mammalian systems.
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Affiliation(s)
- Matthew E. Griffin
- Department of Chemistry, University of California Irvine, Irvine, CA 92697, USA
| | - Linda C. Hsieh-Wilson
- Division of Chemistry and Chemical Engineering, California Institute of Technology, Pasadena, CA 92115, USA,Correspondence: (L.C.H.W.)
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5
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Porell RN, Follmar JL, Purcell SC, Timm B, Laubach LK, Kozirovskiy D, Thacker BE, Glass CA, Gordts PLSM, Godula K. Biologically Derived Neoproteoglycans for Profiling Protein-Glycosaminoglycan Interactions. ACS Chem Biol 2022; 17:1534-1542. [PMID: 35574759 DOI: 10.1021/acschembio.2c00205] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Glycosaminoglycans (GAGs) are a class of highly negatively charged membrane-associated and extracellular matrix polysaccharides involved in the regulation of myriad biological functions, including cell adhesion, migration, signaling, and differentiation, among others. GAGs are typically attached to core proteins, termed proteoglycans (PGs), and can engage >500 binding proteins, making them prominent relays for sensing external stimuli and transducing cellular responses. However, their unique substructural protein-recognition domains that confer their binding specificity remain elusive. While the emergence of glycan arrays has rapidly enabled the profiling of ligand specificities of a range of glycan-binding proteins, their adaptation for the analysis of GAG-binding proteins has been considerably more challenging. Current GAG microarrays primarily employ synthetically defined oligosaccharides, which capture only a fraction of the structural diversity of native GAG polysaccharides. Augmenting existing array platforms to include GAG structures purified from tissues or produced in cells with engineered glycan biosynthetic pathways may significantly advance the understanding of structure-activity relationships in GAG-protein interactions. Here, we demonstrate an efficient and tunable strategy to mimic cellular proteoglycan architectures by conjugating biologically derived GAG chains to a protein scaffold, defined as neoproteoglycans (neoPGs). The use of a reactive fluorogenic linker enabled real-time monitoring of the conjugation reaction efficiency and tuning of the neoPG valency. Immobilization of the reagents on a 96-well array platform allowed for efficient probing of ligand binding and enzyme-substrate specificity, including growth factors and the human sulfatase 1. The neoPGs can also be used directly as soluble probes to evaluate GAG-dependent growth factor signaling in cells.
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Affiliation(s)
| | | | | | | | | | | | - Bryan E. Thacker
- TEGA Therapeutics, Inc., 3550 General Atomics Court, G02-102, San Diego, California 92121, United States
| | - Charles A. Glass
- TEGA Therapeutics, Inc., 3550 General Atomics Court, G02-102, San Diego, California 92121, United States
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6
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Temme JS, Gildersleeve JC. General Strategies for Glycan Microarray Data Processing and Analysis. METHODS IN MOLECULAR BIOLOGY (CLIFTON, N.J.) 2022; 2460:67-87. [PMID: 34972931 DOI: 10.1007/978-1-0716-2148-6_5] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
Glycan microarrays provide a high-throughput technology for rapidly profiling interactions between carbohydrates and glycan-binding proteins (GBPs). Use of glycan microarrays involves several general steps, including construction of the microarray, carrying out the assay, detection of binding events, and analysis of the results. While multiple platforms have been developed to construct microarrays, most utilize fluorescence for detection of binding events. This chapter describes methods to acquire and process microarray images, including generating GAL files, imaging of the slide, aligning the grid, detecting problematic spots, and evaluating the quality of the data. The chapter focuses on processing our neoglycoprotein microarrays, but many of the lessons we have learned are applicable to other array formats.
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Affiliation(s)
- J Sebastian Temme
- Chemical Biology Laboratory, Center for Cancer Research, National Cancer Institute, Frederick, MD, USA
| | - Jeffrey C Gildersleeve
- Chemical Biology Laboratory, Center for Cancer Research, National Cancer Institute, Frederick, MD, USA.
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7
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Heine V, Dey C, Bojarová P, Křen V, Elling L. Methods of in vitro study of galectin-glycomaterial interaction. Biotechnol Adv 2022; 58:107928. [DOI: 10.1016/j.biotechadv.2022.107928] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2021] [Revised: 02/07/2022] [Accepted: 02/14/2022] [Indexed: 02/08/2023]
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8
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Tsouka A, Hoetzel K, Mende M, Heidepriem J, Paris G, Eickelmann S, Seeberger PH, Lepenies B, Loeffler FF. Probing Multivalent Carbohydrate-Protein Interactions With On-Chip Synthesized Glycopeptides Using Different Functionalized Surfaces. Front Chem 2021; 9:766932. [PMID: 34778215 PMCID: PMC8589469 DOI: 10.3389/fchem.2021.766932] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2021] [Accepted: 10/11/2021] [Indexed: 01/01/2023] Open
Abstract
Multivalent ligand-protein interactions are a commonly employed approach by nature in many biological processes. Single glycan-protein interactions are often weak, but their affinity and specificity can be drastically enhanced by engaging multiple binding sites. Microarray technology allows for quick, parallel screening of such interactions. Yet, current glycan microarray methodologies usually neglect defined multivalent presentation. Our laser-based array technology allows for a flexible, cost-efficient, and rapid in situ chemical synthesis of peptide scaffolds directly on functionalized glass slides. Using copper(I)-catalyzed azide-alkyne cycloaddition, different monomer sugar azides were attached to the scaffolds, resulting in spatially defined multivalent glycopeptides on the solid support. Studying their interaction with several different lectins showed that not only the spatially defined sugar presentation, but also the surface functionalization and wettability, as well as accessibility and flexibility, play an essential role in such interactions. Therefore, different commercially available functionalized glass slides were equipped with a polyethylene glycol (PEG) linker to demonstrate its effect on glycan-lectin interactions. Moreover, different monomer sugar azides with and without an additional PEG-spacer were attached to the peptide scaffold to increase flexibility and thereby improve binding affinity. A variety of fluorescently labeled lectins were probed, indicating that different lectin-glycan pairs require different surface functionalization and spacers for enhanced binding. This approach allows for rapid screening and evaluation of spacing-, density-, ligand and surface-dependent parameters, to find optimal lectin binders.
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Affiliation(s)
- Alexandra Tsouka
- Department of Biomolecular Systems, Max Planck Institute of Colloids and Interfaces, Potsdam, Germany
- Institute of Chemistry and Biochemistry, Freie Universität Berlin, Berlin, Germany
| | - Kassandra Hoetzel
- Department of Biomolecular Systems, Max Planck Institute of Colloids and Interfaces, Potsdam, Germany
| | - Marco Mende
- Department of Biomolecular Systems, Max Planck Institute of Colloids and Interfaces, Potsdam, Germany
| | - Jasmin Heidepriem
- Department of Biomolecular Systems, Max Planck Institute of Colloids and Interfaces, Potsdam, Germany
- Institute of Chemistry and Biochemistry, Freie Universität Berlin, Berlin, Germany
| | - Grigori Paris
- Department of Biomolecular Systems, Max Planck Institute of Colloids and Interfaces, Potsdam, Germany
- Department of System Dynamics and Friction Physics, Institute of Mechanics, Technical University of Berlin, Berlin, Germany
| | - Stephan Eickelmann
- Department of Biomolecular Systems, Max Planck Institute of Colloids and Interfaces, Potsdam, Germany
| | - Peter H. Seeberger
- Department of Biomolecular Systems, Max Planck Institute of Colloids and Interfaces, Potsdam, Germany
- Institute of Chemistry and Biochemistry, Freie Universität Berlin, Berlin, Germany
| | - Bernd Lepenies
- Institute for Immunology and Research Center for Emerging Infections and Zoonoses, University of Veterinary Medicine Hannover, Hannover, Germany
| | - Felix F. Loeffler
- Department of Biomolecular Systems, Max Planck Institute of Colloids and Interfaces, Potsdam, Germany
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9
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Morelli L, Lay L, Santana-Mederos D, Valdes-Balbin Y, Verez Bencomo V, van Diepen A, Hokke CH, Chiodo F, Compostella F. Glycan Array Evaluation of Synthetic Epitopes between the Capsular Polysaccharides from Streptococcus pneumoniae 19F and 19A. ACS Chem Biol 2021; 16:1671-1679. [PMID: 34469105 PMCID: PMC8453487 DOI: 10.1021/acschembio.1c00347] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
![]()
Vaccination represents
the most effective way to prevent invasive
pneumococcal diseases. The glycoconjugate vaccines licensed so far
are obtained from capsular polysaccharides (CPSs) of the most virulent
serotypes. Protection is largely limited to the specific vaccine serotypes,
and the continuous need for broader coverage to control the outbreak
of emerging serotypes is pushing the development of new vaccine candidates.
Indeed, the development of efficacious vaccine formulation is complicated
by the high number of bacterial serotypes with different CPSs. In
this context, to simplify vaccine composition, we propose the design
of new saccharide fragments containing chemical structures shared
by different serotypes as cross-reactive and potentially cross-protective
common antigens. In particular, we focused on Streptococcus
pneumoniae (Sp) 19A and 19F. The CPS repeating units of Sp
19F and 19A are very similar and share a common structure, the disaccharide
ManNAc-β-(1→4)-Glc (A-B). Herein, we describe the synthesis
of a small library of compounds containing different combinations
of the common 19F/19A disaccharide. The six new compounds were tested
with a glycan array to evaluate their recognition by antibodies in
reference group 19 antisera and factor reference antisera (reacting
against 19F or 19A). The disaccharide A-B, phosphorylated at the upstream
end, emerged as a hit from the glycan array screening because it is
strongly recognized by the group 19 antisera and by the 19F and 19A
factor antisera, with similar intensity compared with the CPSs used
as controls. Our data give a strong indication that the phosphorylated
disaccharide A-B can be considered a common epitope among different
Sp 19 serotypes.
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Affiliation(s)
- Laura Morelli
- Department of Medical Biotechnology and Translational Medicine, University of Milan, Via Saldini 50, 20133 Milano, Italy
| | - Luigi Lay
- Department of Chemistry, University of Milan, Via Golgi 19, 20133 Milano, Italy
| | | | | | | | - Angela van Diepen
- Department of Parasitology, Leiden University Medical Center, Albinusdreef 2, 2333 ZA Leiden, The Netherlands
| | - Cornelis H. Hokke
- Department of Parasitology, Leiden University Medical Center, Albinusdreef 2, 2333 ZA Leiden, The Netherlands
| | - Fabrizio Chiodo
- Department of Parasitology, Leiden University Medical Center, Albinusdreef 2, 2333 ZA Leiden, The Netherlands
- Italian National Research Council (CNR), Institute of Biomolecular Chemistry (ICB), Via Campi Flegrei 34, 80078 Pozzuoli, Italy
| | - Federica Compostella
- Department of Medical Biotechnology and Translational Medicine, University of Milan, Via Saldini 50, 20133 Milano, Italy
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10
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Di Maio A, Cioce A, Achilli S, Thépaut M, Vivès C, Fieschi F, Rojo J, Reichardt NC. Controlled density glycodendron microarrays for studying carbohydrate-lectin interactions. Org Biomol Chem 2021; 19:7357-7362. [PMID: 34387640 DOI: 10.1039/d1ob00872b] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Glycodendron microarrays with defined valency have been constructed by on-chip synthesis on hydrophobic indium tin oxide (ITO) coated glass slides and employed in lectin-carbohydrate binding studies with several plant and human lectins. Glycodendrons presenting sugar epitopes at different valencies were prepared by spotwise strain-promoted azide-alkyne cycloaddition (SPAAC) between immobilised cyclooctyne dendrons and azide functionalised glycans. The non-covalent immobilisation of dendrons on the ITO surface by hydrophobic interaction allowed us to study dendron surface density and SPAAC conversion rate by in situ MALDI-TOF MS analysis. By diluting the dendron surface density we could study how the carbohydrate-lectin interactions became exclusively dependant on the valency of the immobilised glycodendron.
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Affiliation(s)
- Antonio Di Maio
- Glycosystems Laboratory, Instituto de Investigaciones Químicas (IIQ), CSIC - Universidad de Sevilla, Av. Américo Vespucio 49, 41092 Seville, Spain.
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11
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Kim Y, Hyun JY, Shin I. Multivalent glycans for biological and biomedical applications. Chem Soc Rev 2021; 50:10567-10593. [PMID: 34346405 DOI: 10.1039/d0cs01606c] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Recognition of glycans by proteins plays a crucial role in a variety of physiological processes in cells and living organisms. In addition, interactions of glycans with proteins are involved in the development of diverse diseases, such as pathogen infection, inflammation and tumor metastasis. It is well-known that multivalent glycans bind to proteins much more strongly than do their monomeric counterparts. Owing to this property, numerous multivalent glycans have been utilized to elucidate glycan-mediated biological processes and to discover glycan-based biomedical agents. In this review, we discuss recent advances (2014-2020) made in the development and biological and biomedical applications of synthetic multivalent glycans, including neoglycopeptides, neoglycoproteins, glycodendrimers, glycopolymers, glyconanoparticles and glycoliposomes. We hope this review assists researchers in the design and development of novel multivalent glycans with predictable activities.
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Affiliation(s)
- Yujun Kim
- Department of Chemistry, Yonsei University, Seoul 03722, Republic of Korea.
| | - Ji Young Hyun
- Department of Drug Discovery, Data Convergence Drug Research Center, Korea Research Institute of Chemical Technology (KRICT), Daejeon 34114, Korea.
| | - Injae Shin
- Department of Chemistry, Yonsei University, Seoul 03722, Republic of Korea.
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12
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Fittolani G, Shanina E, Guberman M, Seeberger PH, Rademacher C, Delbianco M. Automatisierte Glykan‐Assemblierung
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F‐markierter Glykansonden ermöglicht Hochdurchsatz‐NMR‐Untersuchungen von Protein‐Glykan‐Interaktionen. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202102690] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Giulio Fittolani
- Department of Biomolecular Systems Max Planck Institute of Colloids and Interfaces Am Mühlenberg 1 14476 Potsdam Deutschland
- Department of Chemistry and Biochemistry Freie Universität Berlin Arnimallee 22 14195 Berlin Deutschland
| | - Elena Shanina
- Department of Biomolecular Systems Max Planck Institute of Colloids and Interfaces Am Mühlenberg 1 14476 Potsdam Deutschland
- Department of Chemistry and Biochemistry Freie Universität Berlin Arnimallee 22 14195 Berlin Deutschland
| | - Mónica Guberman
- Department of Biomolecular Systems Max Planck Institute of Colloids and Interfaces Am Mühlenberg 1 14476 Potsdam Deutschland
- Derzeitige Adresse: Medicinal Chemistry Leibniz-Forschungsinstitut für Molekulare Pharmakologie Robert-Rössle Straße 10 13125 Berlin Deutschland
| | - Peter H. Seeberger
- Department of Biomolecular Systems Max Planck Institute of Colloids and Interfaces Am Mühlenberg 1 14476 Potsdam Deutschland
- Department of Chemistry and Biochemistry Freie Universität Berlin Arnimallee 22 14195 Berlin Deutschland
| | - Christoph Rademacher
- Department of Biomolecular Systems Max Planck Institute of Colloids and Interfaces Am Mühlenberg 1 14476 Potsdam Deutschland
- Department of Chemistry and Biochemistry Freie Universität Berlin Arnimallee 22 14195 Berlin Deutschland
- Derzeitige Adresse: Department of Pharmaceutical Chemistry University of Vienna Althanstraße 14 1080 Wien Österreich
- Derzeitige Adresse: Department of Microbiology, Immunobiology and Genetics Max F. Perutz Labs Campus Vienna Biocenter 5 1030 Wien Österreich
| | - Martina Delbianco
- Department of Biomolecular Systems Max Planck Institute of Colloids and Interfaces Am Mühlenberg 1 14476 Potsdam Deutschland
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13
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Fittolani G, Shanina E, Guberman M, Seeberger PH, Rademacher C, Delbianco M. Automated Glycan Assembly of 19 F-labeled Glycan Probes Enables High-Throughput NMR Studies of Protein-Glycan Interactions. Angew Chem Int Ed Engl 2021; 60:13302-13309. [PMID: 33784430 PMCID: PMC8252726 DOI: 10.1002/anie.202102690] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2021] [Revised: 03/19/2021] [Indexed: 12/23/2022]
Abstract
Protein–glycan interactions mediate important biological processes, including pathogen host invasion and cellular communication. Herein, we showcase an expedite approach that integrates automated glycan assembly (AGA) of 19F‐labeled probes and high‐throughput NMR methods, enabling the study of protein–glycan interactions. Synthetic Lewis type 2 antigens were screened against seven glycan binding proteins (GBPs), including DC‐SIGN and BambL, respectively involved in HIV‐1 and lung infections in immunocompromised patients, confirming the preference for fucosylated glycans (Lex, H type 2, Ley). Previously unknown glycan–lectin weak interactions were detected, and thermodynamic data were obtained. Enzymatic reactions were monitored in real‐time, delivering kinetic parameters. These results demonstrate the utility of AGA combined with 19F NMR for the discovery and characterization of glycan–protein interactions, opening up new perspectives for 19F‐labeled complex glycans.
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Affiliation(s)
- Giulio Fittolani
- Department of Biomolecular Systems, Max Planck Institute of Colloids and Interfaces, Am Mühlenberg 1, 14476, Potsdam, Germany.,Department of Chemistry and Biochemistry, Freie Universität Berlin, Arnimallee 22, 14195, Berlin, Germany
| | - Elena Shanina
- Department of Biomolecular Systems, Max Planck Institute of Colloids and Interfaces, Am Mühlenberg 1, 14476, Potsdam, Germany.,Department of Chemistry and Biochemistry, Freie Universität Berlin, Arnimallee 22, 14195, Berlin, Germany
| | - Mónica Guberman
- Department of Biomolecular Systems, Max Planck Institute of Colloids and Interfaces, Am Mühlenberg 1, 14476, Potsdam, Germany.,Current address: Medicinal Chemistry, Leibniz-Forschungsinstitut für Molekulare Pharmakologie, Robert-Rössle Strasse 10, 13125, Berlin, Germany
| | - Peter H Seeberger
- Department of Biomolecular Systems, Max Planck Institute of Colloids and Interfaces, Am Mühlenberg 1, 14476, Potsdam, Germany.,Department of Chemistry and Biochemistry, Freie Universität Berlin, Arnimallee 22, 14195, Berlin, Germany
| | - Christoph Rademacher
- Department of Biomolecular Systems, Max Planck Institute of Colloids and Interfaces, Am Mühlenberg 1, 14476, Potsdam, Germany.,Department of Chemistry and Biochemistry, Freie Universität Berlin, Arnimallee 22, 14195, Berlin, Germany.,Current address: Department of Pharmaceutical Chemistry, University of Vienna, Althanstrasse 14, 1080, Vienna, Austria.,Current address: Department of Microbiology, Immunobiology and Genetics, Max F. Perutz Labs, Campus Vienna Biocenter 5, 1030, Vienna, Austria
| | - Martina Delbianco
- Department of Biomolecular Systems, Max Planck Institute of Colloids and Interfaces, Am Mühlenberg 1, 14476, Potsdam, Germany
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14
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Mathez G, Cagno V. Viruses Like Sugars: How to Assess Glycan Involvement in Viral Attachment. Microorganisms 2021; 9:1238. [PMID: 34200288 PMCID: PMC8230229 DOI: 10.3390/microorganisms9061238] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2021] [Revised: 06/01/2021] [Accepted: 06/04/2021] [Indexed: 12/12/2022] Open
Abstract
The first step of viral infection requires interaction with the host cell. Before finding the specific receptor that triggers entry, the majority of viruses interact with the glycocalyx. Identifying the carbohydrates that are specifically recognized by different viruses is important both for assessing the cellular tropism and for identifying new antiviral targets. Advances in the tools available for studying glycan-protein interactions have made it possible to identify them more rapidly; however, it is important to recognize the limitations of these methods in order to draw relevant conclusions. Here, we review different techniques: genetic screening, glycan arrays, enzymatic and pharmacological approaches, and surface plasmon resonance. We then detail the glycan interactions of enterovirus D68 and severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), highlighting the aspects that need further clarification.
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Affiliation(s)
| | - Valeria Cagno
- Institute of Microbiology, Lausanne University Hospital, University of Lausanne, 1011 Lausanne, Switzerland;
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15
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Heo HR, Joo KI, Seo JH, Kim CS, Cha HJ. Glycan chip based on structure-switchable DNA linker for on-chip biosynthesis of cancer-associated complex glycans. Nat Commun 2021; 12:1395. [PMID: 33654088 PMCID: PMC7925590 DOI: 10.1038/s41467-021-21538-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2020] [Accepted: 01/29/2021] [Indexed: 12/05/2022] Open
Abstract
On-chip glycan biosynthesis is an effective strategy for preparing useful complex glycan sources and for preparing glycan-involved applications simultaneously. However, current methods have some limitations when analyzing biosynthesized glycans and optimizing enzymatic reactions, which could result in undefined glycan structures on a surface, leading to unequal and unreliable results. In this work, a glycan chip is developed by introducing a pH-responsive i-motif DNA linker to control the immobilization and isolation of glycans on chip surfaces in a pH-dependent manner. On-chip enzymatic glycosylations are optimized for uniform biosynthesis of cancer-associated Globo H hexasaccharide and its related complex glycans through stepwise quantitative analyses of isolated products from the surface. Successful interaction analyses of the anti-Globo H antibody and MCF-7 breast cancer cells with on-chip biosynthesized Globo H-related glycans demonstrate the feasibility of the structure-switchable DNA linker-based glycan chip platform for on-chip complex glycan biosynthesis and glycan-involved applications.
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Affiliation(s)
- Hye Ryoung Heo
- School of Interdisciplinary Bioscience and Bioengineering, Pohang University of Science and Technology, Pohang, Republic of Korea
- Department of Chemical Engineering, Pohang University of Science and Technology, Pohang, Republic of Korea
| | - Kye Il Joo
- Department of Chemical Engineering, Pohang University of Science and Technology, Pohang, Republic of Korea
| | - Jeong Hyun Seo
- School of Chemical Engineering, Yeungnam University, Gyeongsan, Republic of Korea
| | - Chang Sup Kim
- School of Chemistry and Biochemistry, Yeungnam University, Gyeongsan, Republic of Korea.
| | - Hyung Joon Cha
- Department of Chemical Engineering, Pohang University of Science and Technology, Pohang, Republic of Korea.
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16
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del Hierro I, Mélida H, Broyart C, Santiago J, Molina A. Computational prediction method to decipher receptor-glycoligand interactions in plant immunity. THE PLANT JOURNAL : FOR CELL AND MOLECULAR BIOLOGY 2021; 105:1710-1726. [PMID: 33316845 PMCID: PMC8048873 DOI: 10.1111/tpj.15133] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/03/2020] [Revised: 11/30/2020] [Accepted: 12/08/2020] [Indexed: 05/22/2023]
Abstract
Microbial and plant cell walls have been selected by the plant immune system as a source of microbe- and plant damage-associated molecular patterns (MAMPs/DAMPs) that are perceived by extracellular ectodomains (ECDs) of plant pattern recognition receptors (PRRs) triggering immune responses. From the vast number of ligands that PRRs can bind, those composed of carbohydrate moieties are poorly studied, and only a handful of PRR/glycan pairs have been determined. Here we present a computational screening method, based on the first step of molecular dynamics simulation, that is able to predict putative ECD-PRR/glycan interactions. This method has been developed and optimized with Arabidopsis LysM-PRR members CERK1 and LYK4, which are involved in the perception of fungal MAMPs, chitohexaose (1,4-β-d-(GlcNAc)6 ) and laminarihexaose (1,3-β-d-(Glc)6 ). Our in silico results predicted CERK1 interactions with 1,4-β-d-(GlcNAc)6 whilst discarding its direct binding by LYK4. In contrast, no direct interaction between CERK1/laminarihexaose was predicted by the model despite CERK1 being required for laminarihexaose immune activation, suggesting that CERK1 may act as a co-receptor for its recognition. These in silico results were validated by isothermal titration calorimetry binding assays between these MAMPs and recombinant ECDs-LysM-PRRs. The robustness of the developed computational screening method was further validated by predicting that CERK1 does not bind the DAMP 1,4-β-d-(Glc)6 (cellohexaose), and then probing that immune responses triggered by this DAMP were not impaired in the Arabidopsis cerk1 mutant. The computational predictive glycan/PRR binding method developed here might accelerate the discovery of protein-glycan interactions and provide information on immune responses activated by glycoligands.
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Affiliation(s)
- Irene del Hierro
- Centro de Biotecnología y Genómica de Plantas (CBGP)Universidad Politécnica de Madrid (UPM)Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria (INIA)Campus de Montegancedo‐UPM28223Pozuelo de Alarcón, MadridSpain
- Departamento de Biotecnología‐Biología VegetalEscuela Técnica Superior de Ingeniería AgronómicaAlimentaria y de BiosistemasUniversidad Politécnica de Madrid (UPM)28040MadridSpain
| | - Hugo Mélida
- Centro de Biotecnología y Genómica de Plantas (CBGP)Universidad Politécnica de Madrid (UPM)Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria (INIA)Campus de Montegancedo‐UPM28223Pozuelo de Alarcón, MadridSpain
- Present address:
Área de Fisiología VegetalDepartamento de Ingeniería y Ciencias AgrariasUniversidad de León24071LeónSpain
| | - Caroline Broyart
- Département de Biologie Moléculaire Végétale (DBMV)University of Lausanne (UNIL)Biophore Building, UNIL SorgeCH‐1015LausanneSwitzerland
| | - Julia Santiago
- Département de Biologie Moléculaire Végétale (DBMV)University of Lausanne (UNIL)Biophore Building, UNIL SorgeCH‐1015LausanneSwitzerland
| | - Antonio Molina
- Centro de Biotecnología y Genómica de Plantas (CBGP)Universidad Politécnica de Madrid (UPM)Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria (INIA)Campus de Montegancedo‐UPM28223Pozuelo de Alarcón, MadridSpain
- Departamento de Biotecnología‐Biología VegetalEscuela Técnica Superior de Ingeniería AgronómicaAlimentaria y de BiosistemasUniversidad Politécnica de Madrid (UPM)28040MadridSpain
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17
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Smith BAH, Bertozzi CR. The clinical impact of glycobiology: targeting selectins, Siglecs and mammalian glycans. Nat Rev Drug Discov 2021; 20:217-243. [PMID: 33462432 PMCID: PMC7812346 DOI: 10.1038/s41573-020-00093-1] [Citation(s) in RCA: 198] [Impact Index Per Article: 66.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/29/2020] [Indexed: 01/31/2023]
Abstract
Carbohydrates - namely glycans - decorate every cell in the human body and most secreted proteins. Advances in genomics, glycoproteomics and tools from chemical biology have made glycobiology more tractable and understandable. Dysregulated glycosylation plays a major role in disease processes from immune evasion to cognition, sparking research that aims to target glycans for therapeutic benefit. The field is now poised for a boom in drug development. As a harbinger of this activity, glycobiology has already produced several drugs that have improved human health or are currently being translated to the clinic. Focusing on three areas - selectins, Siglecs and glycan-targeted antibodies - this Review aims to tell the stories behind therapies inspired by glycans and to outline how the lessons learned from these approaches are paving the way for future glycobiology-focused therapeutics.
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Affiliation(s)
- Benjamin A H Smith
- Department of Chemical & Systems Biology and ChEM-H, Stanford School of Medicine, Stanford, CA, USA
| | - Carolyn R Bertozzi
- Department of Chemical & Systems Biology and ChEM-H, Stanford School of Medicine, Stanford, CA, USA.
- Department of Chemistry, Stanford University, Stanford, CA, USA.
- Howard Hughes Medical Institute, Stanford University, Stanford, CA, USA.
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18
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Valles DJ, Zholdassov YS, Braunschweig AB. Evolution and applications of polymer brush hypersurface photolithography. Polym Chem 2021. [DOI: 10.1039/d1py01073e] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Hypersurface photolithography creates arbitrary polymer brush patterns with independent control over feature diameter, height, and spacing between features, while controlling composition along a polymer chain and between features.
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Affiliation(s)
- Daniel J. Valles
- Advanced Science Research Center at the Graduate Center of the City University of New York, 85 St Nicholas Terrace, New York, NY 10031, USA
- Department of Chemistry, Hunter College, 695 Park Ave, New York, NY 10065, USA
- PhD Program in Chemistry, Graduate Center of the City University of New York, 365 5th Ave, New York, NY 10016, USA
| | - Yerzhan S. Zholdassov
- Advanced Science Research Center at the Graduate Center of the City University of New York, 85 St Nicholas Terrace, New York, NY 10031, USA
- Department of Chemistry, Hunter College, 695 Park Ave, New York, NY 10065, USA
- PhD Program in Chemistry, Graduate Center of the City University of New York, 365 5th Ave, New York, NY 10016, USA
| | - Adam B. Braunschweig
- Advanced Science Research Center at the Graduate Center of the City University of New York, 85 St Nicholas Terrace, New York, NY 10031, USA
- Department of Chemistry, Hunter College, 695 Park Ave, New York, NY 10065, USA
- PhD Program in Chemistry, Graduate Center of the City University of New York, 365 5th Ave, New York, NY 10016, USA
- PhD Program in Biochemistry, Graduate Center of the City University of New York, 365 5th Ave, New York, NY 10016, USA
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19
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Bi F, Zhang C, Yang G, Wang J, Zheng W, Hua Z, Li X, Wang Z, Chen G. Photoresponsive glyco-nanostructures integrated from supramolecular metallocarbohydrates for the reversible capture and release of lectins. Polym Chem 2021. [DOI: 10.1039/d1py00146a] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Photo-controllable capture and release of proteins by glyco-nanostructures.
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Affiliation(s)
- Feihu Bi
- Biomass Molecular Engineering Center and Department of Materials Science and Engineering
- School of Forestry and Landscape Architecture
- Anhui Agricultural University
- Hefei
- China
| | - Changwei Zhang
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes
- School of Chemistry and Molecular Engineering
- East China Normal University
- Shanghai 200062
- P. R. China
| | - Guang Yang
- Biomass Molecular Engineering Center and Department of Materials Science and Engineering
- School of Forestry and Landscape Architecture
- Anhui Agricultural University
- Hefei
- China
| | - Jie Wang
- Biomass Molecular Engineering Center and Department of Materials Science and Engineering
- School of Forestry and Landscape Architecture
- Anhui Agricultural University
- Hefei
- China
| | - Wei Zheng
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes
- School of Chemistry and Molecular Engineering
- East China Normal University
- Shanghai 200062
- P. R. China
| | - Zan Hua
- Biomass Molecular Engineering Center and Department of Materials Science and Engineering
- School of Forestry and Landscape Architecture
- Anhui Agricultural University
- Hefei
- China
| | - Xiaopeng Li
- Department of Chemistry
- University of South Florida
- Tampa
- USA
| | - Zhongkai Wang
- Biomass Molecular Engineering Center and Department of Materials Science and Engineering
- School of Forestry and Landscape Architecture
- Anhui Agricultural University
- Hefei
- China
| | - Guosong Chen
- The State Key Laboratory of Molecular Engineering of Polymers and Department of Macromolecular Science
- Fudan University
- Shanghai 200433
- P. R. China
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20
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Mende M, Tsouka A, Heidepriem J, Paris G, Mattes DS, Eickelmann S, Bordoni V, Wawrzinek R, Fuchsberger FF, Seeberger PH, Rademacher C, Delbianco M, Mallagaray A, Loeffler FF. On-Chip Neo-Glycopeptide Synthesis for Multivalent Glycan Presentation. Chemistry 2020; 26:9954-9963. [PMID: 32315099 PMCID: PMC7496964 DOI: 10.1002/chem.202001291] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2020] [Revised: 04/17/2020] [Indexed: 11/11/2022]
Abstract
Single glycan-protein interactions are often weak, such that glycan binding partners commonly utilize multiple, spatially defined binding sites to enhance binding avidity and specificity. Current array technologies usually neglect defined multivalent display. Laser-based array synthesis technology allows for flexible and rapid on-surface synthesis of different peptides. By combining this technique with click chemistry, neo-glycopeptides were produced directly on a functionalized glass slide in the microarray format. Density and spatial distribution of carbohydrates can be tuned, resulting in well-defined glycan structures for multivalent display. The two lectins concanavalin A and langerin were probed with different glycans on multivalent scaffolds, revealing strong spacing-, density-, and ligand-dependent binding. In addition, we could also measure the surface dissociation constant. This approach allows for a rapid generation, screening, and optimization of a multitude of multivalent scaffolds for glycan binding.
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Affiliation(s)
- Marco Mende
- Department of Biomolecular SystemsMax Planck Institute of Colloids and InterfacesAm Muehlenberg 114476PotsdamGermany
| | - Alexandra Tsouka
- Department of Biomolecular SystemsMax Planck Institute of Colloids and InterfacesAm Muehlenberg 114476PotsdamGermany
- Department of Chemistry and BiochemistryFreie Universität BerlinArnimalle 2214195BerlinGermany
| | - Jasmin Heidepriem
- Department of Biomolecular SystemsMax Planck Institute of Colloids and InterfacesAm Muehlenberg 114476PotsdamGermany
- Department of Chemistry and BiochemistryFreie Universität BerlinArnimalle 2214195BerlinGermany
| | - Grigori Paris
- Department of Biomolecular SystemsMax Planck Institute of Colloids and InterfacesAm Muehlenberg 114476PotsdamGermany
| | - Daniela S. Mattes
- Institute of Microstructure TechnologyKarlsruhe Institute of TechnologyHermann-von-Helmholtz-Platz 176344Eggenstein-LeopoldshafenGermany
| | - Stephan Eickelmann
- Department of Biomolecular SystemsMax Planck Institute of Colloids and InterfacesAm Muehlenberg 114476PotsdamGermany
| | - Vittorio Bordoni
- Department of Biomolecular SystemsMax Planck Institute of Colloids and InterfacesAm Muehlenberg 114476PotsdamGermany
| | - Robert Wawrzinek
- Department of Biomolecular SystemsMax Planck Institute of Colloids and InterfacesAm Muehlenberg 114476PotsdamGermany
| | - Felix F. Fuchsberger
- Department of Biomolecular SystemsMax Planck Institute of Colloids and InterfacesAm Muehlenberg 114476PotsdamGermany
| | - Peter H. Seeberger
- Department of Biomolecular SystemsMax Planck Institute of Colloids and InterfacesAm Muehlenberg 114476PotsdamGermany
- Department of Chemistry and BiochemistryFreie Universität BerlinArnimalle 2214195BerlinGermany
| | - Christoph Rademacher
- Department of Biomolecular SystemsMax Planck Institute of Colloids and InterfacesAm Muehlenberg 114476PotsdamGermany
| | - Martina Delbianco
- Department of Biomolecular SystemsMax Planck Institute of Colloids and InterfacesAm Muehlenberg 114476PotsdamGermany
| | - Alvaro Mallagaray
- Institut für Chemie und MetabolomicsUniversität zu LübeckRatzeburger Allee 16023562LübeckGermany
| | - Felix F. Loeffler
- Department of Biomolecular SystemsMax Planck Institute of Colloids and InterfacesAm Muehlenberg 114476PotsdamGermany
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21
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Kappler K, Hennet T. Emergence and significance of carbohydrate-specific antibodies. Genes Immun 2020; 21:224-239. [PMID: 32753697 PMCID: PMC7449879 DOI: 10.1038/s41435-020-0105-9] [Citation(s) in RCA: 53] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2020] [Revised: 07/14/2020] [Accepted: 07/22/2020] [Indexed: 12/14/2022]
Abstract
Carbohydrate-specific antibodies are widespread among all classes of immunoglobulins. Despite their broad occurrence, little is known about their formation and biological significance. Carbohydrate-specific antibodies are often classified as natural antibodies under the assumption that they arise without prior exposure to exogenous antigens. On the other hand, various carbohydrate-specific antibodies, including antibodies to ABO blood group antigens, emerge after the contact of immune cells with the intestinal microbiota, which expresses a vast diversity of carbohydrate antigens. Here we explore the development of carbohydrate-specific antibodies in humans, addressing the definition of natural antibodies and the production of carbohydrate-specific antibodies upon antigen stimulation. We focus on the significance of the intestinal microbiota in shaping carbohydrate-specific antibodies not just in the gut, but also in the blood circulation. The structural similarity between bacterial carbohydrate antigens and surface glycoconjugates of protists, fungi and animals leads to the production of carbohydrate-specific antibodies protective against a broad range of pathogens. Mimicry between bacterial and human glycoconjugates, however, can also lead to the generation of carbohydrate-specific antibodies that cross-react with human antigens, thereby contributing to the development of autoimmune disorders.
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Affiliation(s)
| | - Thierry Hennet
- Institute of Physiology, University of Zurich, Zurich, Switzerland.
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22
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Gao C, Wei M, McKitrick TR, McQuillan AM, Heimburg-Molinaro J, Cummings RD. Glycan Microarrays as Chemical Tools for Identifying Glycan Recognition by Immune Proteins. Front Chem 2019; 7:833. [PMID: 31921763 PMCID: PMC6923789 DOI: 10.3389/fchem.2019.00833] [Citation(s) in RCA: 47] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2019] [Accepted: 11/15/2019] [Indexed: 12/15/2022] Open
Abstract
Glycans and glycan binding proteins (GBPs or lectins) are essential components in almost every aspect of immunology. Investigations of the interactions between glycans and GBPs have greatly advanced our understanding of the molecular basis of these fundamental immunological processes. In order to better study the glycan-GBP interactions, microscope glass slide-based glycan microarrays were conceived and proved to be an incredibly useful and successful tool. A variety of methods have been developed to better present the glycans so that they mimic natural presentations. Breakthroughs in chemical biology approaches have also made available glycans with sophisticated structures that were considered practically impossible just a few decade ago. Glycan microarrays provide a wealth of valuable information in immunological studies. They allow for discovery of detailed glycan binding preferences or novel binding epitopes of known endogenous immune receptors, which can potentially lead to the discovery of natural ligands that carry the glycans. Glycan microarrays also serve as a platform to discover new GBPs that are vital to the process of infection and invasion by microorganisms. This review summarizes the construction strategies and the immunological applications of glycan microarrays, particularly focused on those with the most comprehensive sets of glycan structures. We also review new methods and technologies that have evolved. We believe that glycan microarrays will continue to benefit the growing research community with various interests in the field of immunology.
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Affiliation(s)
| | | | | | | | | | - Richard D. Cummings
- Department of Surgery, National Center for Functional Glycomics, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, United States
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