1
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Ma S, Gao J, Tian Y, Wen L. Recent progress in chemoenzymatic synthesis of human glycans. Org Biomol Chem 2024; 22:7767-7785. [PMID: 39246045 DOI: 10.1039/d4ob01006j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/10/2024]
Abstract
Glycan is an essential cell component that usually exists in either a free form or a glycoconjugated form. Glycosylation affects the regulatory function of glycoconjugates in health and disease development, indicating the key role of glycan in organisms. Because of the complexity and diversity of glycan structures, it is challenging to prepare structurally well-defined glycans, which hinders the investigation of biological functions at the molecular level. Chemoenzymatic synthesis is an attractive approach for preparing complex glycans, because it avoids tedious protecting group manipulations in chemical synthesis and ensures high regio- and stereo-selectivity of glucosides during glycan assembly. Herein, enzymes, such as glycosyltransferases (GTs) and glycosidases (GHs), and sugar donors involved in the chemoenzymatic synthesis of human glycans are initially discussed. Many state-of-the-art chemoenzymatic methodologies are subsequently displayed and summarized to illustrate the development of synthetic human glycans, for example, N- and O-linked glycans, human milk oligosaccharides, and glycosaminoglycans. Thus, we provide an overview of recent chemoenzymatic synthetic designs and applications for synthesizing complex human glycans, along with insights into the limitations and perspectives of the current methods.
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Affiliation(s)
- Shengzhou Ma
- Carbohydrate-Based Drug Research Center, State Key Laboratory of Chemical Biology, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China.
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Jinhua Gao
- Carbohydrate-Based Drug Research Center, State Key Laboratory of Chemical Biology, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China.
| | - Yinping Tian
- Carbohydrate-Based Drug Research Center, State Key Laboratory of Chemical Biology, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China.
| | - Liuqing Wen
- Carbohydrate-Based Drug Research Center, State Key Laboratory of Chemical Biology, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China.
- University of Chinese Academy of Sciences, Beijing 100049, China
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2
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Li T, Li T, Yang Y, Qiu Y, Liu Y, Zhang M, Zhuang H, Schmidt RR, Peng P. Reaction Rate and Stereoselectivity Enhancement in Glycosidations with O-Glycosyl Trihaloacetimidate Donors due to Catalysis by a Lewis Acid-Nitrile Cooperative Effect. J Org Chem 2024. [PMID: 38805026 DOI: 10.1021/acs.joc.4c00554] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/29/2024]
Abstract
Activation of O-glycosyl trihaloacetimidate glycosyl donors with AuCl3 as a catalyst and pivalonitrile (tBuCN) as a ligand led to excellent glycosidation results in terms of yield and anomeric selectivity. In this way, various β-d-gluco- and β-d-galactopyranosides were obtained conveniently and efficiently. Experimental studies and density functional theory (DFT) calculations, in order to elucidate the reaction course, support formation of the tBuCN-AuCl2-OR(H)+ AuCl4- complex as a decisive intermediate in the glycosidation event. Proton transfer from this acceptor complex to the imidate nitrogen leads to donor activation. In this way, guided by the C-2 configuration of the glycosyl donor, the alignment of the acceptor complex enforces the stereoselective β-glycoside formation in an intramolecular fashion, thus promoting also a fast reaction course. The high stereocontrol of this novel 'Lewis acid-nitrile cooperative effect' is independent of the glycosyl donor anomeric configuration and without the support of neighboring group or remote group participation. The power of the methodology is shown by a successful glycoalkaloid solamargine synthesis.
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Affiliation(s)
- Tianlu Li
- National Glycoengineering Research Center, Shandong Technology Innovation Center of Carbohydrate, NMPA Key Laboratory for Quality Research and Evaluation of Carbohydrate Based Medicine, Key Laboratory of Chemical Biology (Ministry of Education), Shandong University, Shandong 266237, China
| | - Tong Li
- National Glycoengineering Research Center, Shandong Technology Innovation Center of Carbohydrate, NMPA Key Laboratory for Quality Research and Evaluation of Carbohydrate Based Medicine, Key Laboratory of Chemical Biology (Ministry of Education), Shandong University, Shandong 266237, China
| | - Yue Yang
- National Glycoengineering Research Center, Shandong Technology Innovation Center of Carbohydrate, NMPA Key Laboratory for Quality Research and Evaluation of Carbohydrate Based Medicine, Key Laboratory of Chemical Biology (Ministry of Education), Shandong University, Shandong 266237, China
| | - Yongshun Qiu
- National Glycoengineering Research Center, Shandong Technology Innovation Center of Carbohydrate, NMPA Key Laboratory for Quality Research and Evaluation of Carbohydrate Based Medicine, Key Laboratory of Chemical Biology (Ministry of Education), Shandong University, Shandong 266237, China
| | - Yingguo Liu
- Division of Molecular Catalysis and Synthesis, Henan Institute of Advanced Technology, Zhengzhou University, Zhengzhou 450000, China
| | - Miaomiao Zhang
- National Glycoengineering Research Center, Shandong Technology Innovation Center of Carbohydrate, NMPA Key Laboratory for Quality Research and Evaluation of Carbohydrate Based Medicine, Key Laboratory of Chemical Biology (Ministry of Education), Shandong University, Shandong 266237, China
| | - Haoru Zhuang
- National Glycoengineering Research Center, Shandong Technology Innovation Center of Carbohydrate, NMPA Key Laboratory for Quality Research and Evaluation of Carbohydrate Based Medicine, Key Laboratory of Chemical Biology (Ministry of Education), Shandong University, Shandong 266237, China
| | - Richard R Schmidt
- Department of Chemistry, University of Konstanz, Konstanz D-78457, Germany
| | - Peng Peng
- National Glycoengineering Research Center, Shandong Technology Innovation Center of Carbohydrate, NMPA Key Laboratory for Quality Research and Evaluation of Carbohydrate Based Medicine, Key Laboratory of Chemical Biology (Ministry of Education), Shandong University, Shandong 266237, China
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3
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Wang X, Xiao G. Recent chemical synthesis of plant polysaccharides. Curr Opin Chem Biol 2023; 77:102387. [PMID: 37716049 DOI: 10.1016/j.cbpa.2023.102387] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2023] [Revised: 08/18/2023] [Accepted: 08/22/2023] [Indexed: 09/18/2023]
Abstract
Here, chemical syntheses of long, branched and complex glycans over 10-mer from plants are summarized, which highlights amylopectin 20-mer from starch, 17-mer from carthamus tinctorius, α-glucan 30-mer from Longan, 19-mer from psidium guajava and 11-mer from dendrobium huoshanense. The glycans assembly strategies, protecting groups utilization and glycosylation methods discussed here will inspire the efficient synthesis of diverse complex glycans with many 1,2-cis glycosidic linkages.
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Affiliation(s)
- Xiufang Wang
- Department of Chemistry, Kunming University, 2 Puxing Road, Kunming 650214, China
| | - Guozhi Xiao
- State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 132 Lanhei Road, Kunming 650201, China.
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4
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Ricardo MG, Seeberger PH. Merging Solid-Phase Peptide Synthesis and Automated Glycan Assembly to Prepare Lipid-Peptide-Glycan Chimeras. Chemistry 2023; 29:e202301678. [PMID: 37358020 DOI: 10.1002/chem.202301678] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2023] [Revised: 06/24/2023] [Accepted: 06/26/2023] [Indexed: 06/27/2023]
Abstract
Biomaterials with improved biological features can be obtained by conjugating glycans to nanostructured peptides. Creating peptide-glycan chimeras requires superb chemoselectivity. We expedite access to such chimeras by merging peptide and glycan solid-phase syntheses employing a bifunctional monosaccharide. The concept was explored in the context of the on-resin generation of a model α(1→6)tetramannoside linked to peptides, lipids, steroids, and adamantane. Chimeras containing a β(1→6)tetraglucoside and self-assembling peptides such as FF, FFKLVFF, and the amphiphile palmitoyl-VVVAAAKKK were prepared in a fully automated manner. The robust synthetic protocol requires a single purification step to obtain overall yields of about 20 %. The β(1→6)tetraglucoside FFKLVFF chimera produces micelles rather than nanofibers formed by the peptide alone as judged by microscopy and circular dichroism. The peptide amphiphile-glycan chimera forms a disperse fiber network, creating opportunities for new glycan-based nanomaterials.
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Affiliation(s)
- Manuel G Ricardo
- Department of Biomolecular Systems, Max-Planck-Institute of Colloids and Interfaces, Am Muehlenberg 1, 14476, Potsdam, Germany
| | - Peter H Seeberger
- Department of Biomolecular Systems, Max-Planck-Institute of Colloids and Interfaces, Am Muehlenberg 1, 14476, Potsdam, Germany
- Institute of Chemistry and Biochemistry, Freie Universitaet Berlin, Arnimallee 22, 14195, Berlin, Germany
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5
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Reid A, Erickson KM, Hazel JM, Lukose V, Troutman JM. Chemoenzymatic Preparation of a Campylobacter jejuni Lipid-Linked Heptasaccharide on an Azide-Linked Polyisoprenoid. ACS OMEGA 2023; 8:15790-15798. [PMID: 37151508 PMCID: PMC10157688 DOI: 10.1021/acsomega.3c01657] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/11/2023] [Accepted: 04/13/2023] [Indexed: 05/09/2023]
Abstract
Complex poly- and oligosaccharides on the surface of bacteria provide a unique fingerprint to different strains of pathogenic and symbiotic microbes that could be exploited for therapeutics or sensors selective for specific glycans. To discover reagents that can selectively interact with specific bacterial glycans, a system for both the chemoenzymatic preparation and immobilization of these materials would be ideal. Bacterial glycans are typically synthesized in nature on the C55 polyisoprenoid bactoprenyl (or undecaprenyl) phosphate. However, this long-chain isoprenoid can be difficult to work with in vitro. Here, we describe the addition of a chemically functional benzylazide tag to polyisoprenoids. We have found that both the organic-soluble and water-soluble benzylazide isoprenoid can serve as a substrate for the well-characterized system responsible for Campylobacter jejuni N-linked heptasaccharide assembly. Using the organic-soluble analogue, we demonstrate the use of an N-acetyl-glucosamine epimerase that can be used to lower the cost of glycan assembly, and using the water-soluble analogue, we demonstrate the immobilization of the C. jejuni heptasaccharide on magnetic beads. These conjugated beads are then shown to interact with soybean agglutinin, a lectin known to interact with N-acetyl-galactosamine in the C. jejuni heptasaccharide. The methods provided could be used for a wide variety of applications including the discovery of new glycan-interacting partners.
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Affiliation(s)
- Amanda
J. Reid
- Nanoscale
Science Program, University of North Carolina
at Charlotte, 9201 University City Blvd., Charlotte, North Carolina 28223, United States
| | - Katelyn M. Erickson
- Nanoscale
Science Program, University of North Carolina
at Charlotte, 9201 University City Blvd., Charlotte, North Carolina 28223, United States
| | - Joseph M. Hazel
- Department
of Chemistry, University of North Carolina
at Charlotte, 9201 University
City Blvd., Charlotte, North
Carolina 28223, United States
- Department
of Chemistry, The Ohio State University, 281 W Lane Avenue, Columbus, Ohio 43210, United States
| | - Vinita Lukose
- Departments
of Chemistry and Biology, Massachusetts
Institute of Technology, 77 Massachusetts Avenue, Cambridge, Massachusetts 02139, United States
| | - Jerry M. Troutman
- Nanoscale
Science Program, University of North Carolina
at Charlotte, 9201 University City Blvd., Charlotte, North Carolina 28223, United States
- Department
of Chemistry, University of North Carolina
at Charlotte, 9201 University
City Blvd., Charlotte, North
Carolina 28223, United States
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6
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Liu Y, Huang Y, Zhu R, Farag MA, Capanoglu E, Zhao C. Structural elucidation approaches in carbohydrates: A comprehensive review on techniques and future trends. Food Chem 2023; 400:134118. [DOI: 10.1016/j.foodchem.2022.134118] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2022] [Accepted: 09/01/2022] [Indexed: 10/14/2022]
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7
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Recent applications of ionic liquid-based tags in glycoscience. Carbohydr Res 2022; 520:108643. [PMID: 35977445 DOI: 10.1016/j.carres.2022.108643] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2022] [Revised: 07/25/2022] [Accepted: 07/26/2022] [Indexed: 11/22/2022]
Abstract
The functionalization of glycosides with ionic compounds such as ionic liquids provides enhanced polarity for the labelled glycans thanks to the presence of a permanent positive charge. The chemical derivatisation of glycans with ionic liquids constitutes an emerging strategy to boost the detection sensitivity in MS applications. This allows the straightforward monitoring and detection of the presence of labelled glycans in complex matrices and in those cases where very limited amounts of material were available such as in biological samples and chemoenzymatic reactions. The use of ionic liquid based derivatisation agents can be further exploited for the labelling of live cells via metabolic oligosaccharide engineering for the detection of cancer biomarkers and for the tuning of live cells-surface properties with implications in cancer prognosis and progression. In this mini-review we summarise the latest development of the ionic liquid based derivatisation agents in glycoscience focussing on their use for sensitive MS applications.
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8
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Examining the diversity of structural motifs in fungal glycome. Comput Struct Biotechnol J 2022; 20:5466-5476. [PMID: 36249563 PMCID: PMC9535381 DOI: 10.1016/j.csbj.2022.09.040] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2022] [Revised: 09/26/2022] [Accepted: 09/26/2022] [Indexed: 11/22/2022] Open
Abstract
In this paper, we present the results of a systematic statistical analysis of the fungal glycome in comparison with the prokaryotic and protistal glycomes as described in the scientific literature and presented in the Carbohydrate Structure Database (CSDB). The monomeric and dimeric compositions of glycans, their non-carbohydrate modifications, glycosidic linkages, sizes of structures, branching degree and net charge are assessed. The obtained information can help elucidating carbohydrate molecular markers for various fungal classes which, in its turn, can be demanded for the development of diagnostic tools and carbohydrate-based vaccines against pathogenic fungi. It can also be useful for revealing specific glycosyltransferases active in a particular fungal species.
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9
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Chemical synthesis of polysaccharides. Curr Opin Chem Biol 2022; 69:102154. [DOI: 10.1016/j.cbpa.2022.102154] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2022] [Revised: 03/21/2022] [Accepted: 03/24/2022] [Indexed: 12/22/2022]
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10
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Mukherjee MM, Ghosh R, Hanover JA. Recent Advances in Stereoselective Chemical O-Glycosylation Reactions. Front Mol Biosci 2022; 9:896187. [PMID: 35775080 PMCID: PMC9237389 DOI: 10.3389/fmolb.2022.896187] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2022] [Accepted: 04/21/2022] [Indexed: 12/26/2022] Open
Abstract
Carbohydrates involving glycoconjugates play a pivotal role in many life processes. Better understanding toward glycobiological events including the structure–function relationship of these biomolecules and for diagnostic and therapeutic purposes including tailor-made vaccine development and synthesis of structurally well-defined oligosaccharides (OS) become important. Efficient chemical glycosylation in high yield and stereoselectivity is however challenging and depends on the fine tuning of a protection profile to get matching glycosyl donor–acceptor reactivity along with proper use of other important external factors like catalyst, solvent, temperature, activator, and additive. So far, many glycosylation methods have been reported including several reviews also. In the present review, we will concentrate our discussion on the recent trend on α- and β-selective glycosylation reactions reported during the past decade.
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Affiliation(s)
- Mana Mohan Mukherjee
- Laboratory of Cell and Molecular Biology, NIDDK, National Institutes of Health, Bethesda, MD, United States
| | - Rina Ghosh
- Department of Chemistry, Jadavpur University, Kolkata, India
- *Correspondence: John A. Hanover, ; Rina Ghosh,
| | - John A. Hanover
- Laboratory of Cell and Molecular Biology, NIDDK, National Institutes of Health, Bethesda, MD, United States
- *Correspondence: John A. Hanover, ; Rina Ghosh,
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11
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Generation of glycan-specific nanobodies. Cell Chem Biol 2022; 29:1353-1361.e6. [PMID: 35705094 DOI: 10.1016/j.chembiol.2022.05.007] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2021] [Revised: 02/21/2022] [Accepted: 05/23/2022] [Indexed: 11/21/2022]
Abstract
The development of antibodies that target specific glycan structures on cancer cells or human pathogens poses a significant challenge due to the immense complexity of naturally occurring glycans. Automated glycan assembly enables the production of structurally homogeneous glycans in amounts that are difficult to derive from natural sources. Nanobodies (Nbs) are the smallest antigen-binding domains of heavy-chain-only antibodies (hcAbs) found in camelids. To date, the development of glycan-specific Nbs using synthetic glycans has not been reported. Here, we use defined synthetic glycans for alpaca immunization to elicit glycan-specific hcAbs, and describe the identification, isolation, and production of a Nb specific for the tumor-associated carbohydrate antigen Globo-H. The Nb binds the terminal fucose of Globo-H and recognizes synthetic Globo-H in solution and native Globo-H on breast cancer cells with high specificity. These results demonstrate the potential of our approach for generating glycan-targeting Nbs to be used in biomedical and biotechnological applications.
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12
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Ghosh C, Priegue P, Leelayuwapan H, Fuchsberger FF, Rademacher C, Seeberger PH. Synthetic Glyconanoparticles Modulate Innate Immunity but Not the Complement System. ACS APPLIED BIO MATERIALS 2022; 5:2185-2192. [PMID: 35435657 PMCID: PMC9115801 DOI: 10.1021/acsabm.2c00026] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2022] [Accepted: 03/30/2022] [Indexed: 01/12/2023]
Abstract
Nanoparticles that modulate innate immunity can act as vaccine adjuvants and antigen carriers and are promising alternatives to conventional anticancer therapy. Nanoparticles might, upon contact with serum, activate the complement system that might in turn result in clearance and allergic reactions. Herein, we report that ultrasmall glyconanoparticles decorated with nonimmunogenic α-(1-6)-oligomannans trigger an innate immune response without drastically affecting the complement system. These negatively charged glyconanoparticles (10-15 nm) are stable in water and secrete proinflammatory cytokines from macrophages via the NF-κB signaling pathway. The glyconanoparticles can be used as immunomodulators for monotherapy or in combination with drugs and vaccines.
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Affiliation(s)
- Chandradhish Ghosh
- Department
of Biomolecular Systems, Max Planck Institute
of Colloids and Interfaces, Am Mühlenberg 1, 14476 Potsdam, Germany
| | - Patricia Priegue
- Department
of Biomolecular Systems, Max Planck Institute
of Colloids and Interfaces, Am Mühlenberg 1, 14476 Potsdam, Germany
- Institute
of Chemistry and Biochemistry, Freie Universität
Berlin, Arnimallee 22, 14195 Berlin, Germany
| | - Harin Leelayuwapan
- Department
of Biomolecular Systems, Max Planck Institute
of Colloids and Interfaces, Am Mühlenberg 1, 14476 Potsdam, Germany
| | - Felix F. Fuchsberger
- Department
of Biomolecular Systems, Max Planck Institute
of Colloids and Interfaces, Am Mühlenberg 1, 14476 Potsdam, Germany
| | - Christoph Rademacher
- Department
of Biomolecular Systems, Max Planck Institute
of Colloids and Interfaces, Am Mühlenberg 1, 14476 Potsdam, Germany
| | - Peter H. Seeberger
- Department
of Biomolecular Systems, Max Planck Institute
of Colloids and Interfaces, Am Mühlenberg 1, 14476 Potsdam, Germany
- Institute
of Chemistry and Biochemistry, Freie Universität
Berlin, Arnimallee 22, 14195 Berlin, Germany
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13
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Michalak AL, Trieger GW, Trieger KA, Godula K. Stem Cell Microarrays for Assessing Growth Factor Signaling in Engineered Glycan Microenvironments. Adv Healthc Mater 2022; 11:e2101232. [PMID: 34541824 PMCID: PMC8854331 DOI: 10.1002/adhm.202101232] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2021] [Revised: 08/19/2021] [Indexed: 02/03/2023]
Abstract
Extracellular glycans, such as glycosaminoglycans (GAGs), provide an essential regulatory component during the development and maintenance of tissues. GAGs, which harbor binding sites for a range of growth factors (GFs) and other morphogens, help establish gradients of these molecules in the extracellular matrix (ECM) and promote the formation of active signaling complexes when presented at the cell surface. As such, GAGs have been pursued as biologically active components for the development of biomaterials for cell-based regenerative therapies. However, their structural complexity and compositional heterogeneity make establishing structure-function relationships for this class of glycans difficult. Here, a stem cell array platform is described, in which chemically modified heparan sulfate (HS) GAG polysaccharides are conjugated to a gelatin matrix and introduced into a polyacrylamide hydrogel network. This array allowed for direct analysis of HS contributions to the signaling via the FGF2-dependent mitogen activated protein kinase (MAPK) pathway in mouse embryonic stem cells. With the recent emergence of powerful synthetic and recombinant technologies to produce well-defined GAG structures, a platform for analyzing both growth factor binding and signaling in response to the presence of these biomolecules will provide a powerful tool for integrating glycans into biomaterials to advance their biological properties and applications.
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Affiliation(s)
- Austen L. Michalak
- Deparment of Chemistry and Biochemistry, University of California San Diego, 9500 Gilman Drive, La Jolla CA 92093, USA
| | - Greg W. Trieger
- Deparment of Chemistry and Biochemistry, University of California San Diego, 9500 Gilman Drive, La Jolla CA 92093, USA
| | - Kelsey A. Trieger
- Deparment of Chemistry and Biochemistry, University of California San Diego, 9500 Gilman Drive, La Jolla CA 92093, USA
| | - Kamil Godula
- Deparment of Chemistry and Biochemistry, University of California San Diego, 9500 Gilman Drive, La Jolla CA 92093, USA,Glycobiology Research and Training Center, University of California San Diego, 9500 Gilman Drive, La Jolla CA 92093, USA
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14
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Basu N, Ghosh R. Recent chemical syntheses of bacteria related oligosaccharides using modern expeditious approaches. Carbohydr Res 2021; 507:108295. [PMID: 34271477 DOI: 10.1016/j.carres.2021.108295] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2020] [Revised: 02/15/2021] [Accepted: 03/16/2021] [Indexed: 12/22/2022]
Abstract
Apart from some essential and crucial roles in life processes carbohydrates also are involved in a few detrimental courses of action related to human health, like infections by pathogenic microbes, cancer metastasis, transplanted tissue rejection, etc. Regarding management of pathogenesis by microbes, keeping in mind of multi drug-resistant bacteria and epidemic or endemic incidents, preventive measure by vaccination is the best pathway as also recommended by the WHO; by vaccination, eradication of bacterial diseases is also possible. Although some valid vaccines based on attenuated bacterial cells or isolated pure polysaccharide-antigens or the corresponding conjugates thereof are available in the market for prevention of several bacterial diseases, but these are not devoid of some disadvantages also. In order to develop improved conjugate T-cell dependent vaccines oligosaccharides related to bacterial antigens are synthesized and converted to the corresponding carrier protein conjugates. Marketed Cuban Quimi-Hib is such a vaccine being used since 2004 to resist Haemophilus influenza b infections. During nearly the past two decades research is going on worldwide for improved synthesis of bacteria related oligosaccharides or polysaccharides towards development of such semisynthetic or synthetic glycoconjugate vaccines. The present dissertation is an endeavour to encompass the recent syntheses of several pathogenic bacterial oligosaccharides or polysaccharides, made during the past ten-eleven years with special reference to modern expeditious syntheses.
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Affiliation(s)
- Nabamita Basu
- Department of Chemistry, Nabagram Hiralal Paul College, Konnagar, Hoogly, West Bengal, 712246, India
| | - Rina Ghosh
- Department of Chemistry, Jadavpur University, Kolkata, 700 032, India.
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15
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Fittolani G, Tyrikos-Ergas T, Vargová D, Chaube MA, Delbianco M. Progress and challenges in the synthesis of sequence controlled polysaccharides. Beilstein J Org Chem 2021; 17:1981-2025. [PMID: 34386106 PMCID: PMC8353590 DOI: 10.3762/bjoc.17.129] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2021] [Accepted: 07/22/2021] [Indexed: 01/15/2023] Open
Abstract
The sequence, length and substitution of a polysaccharide influence its physical and biological properties. Thus, sequence controlled polysaccharides are important targets to establish structure-properties correlations. Polymerization techniques and enzymatic methods have been optimized to obtain samples with well-defined substitution patterns and narrow molecular weight distribution. Chemical synthesis has granted access to polysaccharides with full control over the length. Here, we review the progress towards the synthesis of well-defined polysaccharides. For each class of polysaccharides, we discuss the available synthetic approaches and their current limitations.
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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
| | - Theodore Tyrikos-Ergas
- 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
| | - Denisa Vargová
- Department of Biomolecular Systems, Max Planck Institute of Colloids and Interfaces, Am Mühlenberg 1, 14476 Potsdam, Germany
| | - Manishkumar A Chaube
- Department of Biomolecular Systems, Max Planck Institute of Colloids and Interfaces, Am Mühlenberg 1, 14476 Potsdam, Germany
| | - Martina Delbianco
- Department of Biomolecular Systems, Max Planck Institute of Colloids and Interfaces, Am Mühlenberg 1, 14476 Potsdam, Germany
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16
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Bulmer GS, Mattey AP, Parmeggiani F, Williams R, Ledru H, Marchesi A, Seibt LS, Both P, Huang K, Galan MC, Flitsch SL, Green AP, van Munster JM. A promiscuous glycosyltransferase generates poly-β-1,4-glucan derivatives that facilitate mass spectrometry-based detection of cellulolytic enzymes. Org Biomol Chem 2021; 19:5529-5533. [PMID: 34105582 PMCID: PMC8243248 DOI: 10.1039/d1ob00971k] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2021] [Accepted: 05/26/2021] [Indexed: 01/22/2023]
Abstract
Promiscuous activity of a glycosyltransferase was exploited to polymerise glucose from UDP-glucose via the generation of β-1,4-glycosidic linkages. The biocatalyst was incorporated into biocatalytic cascades and chemo-enzymatic strategies to synthesise cello-oligosaccharides with tailored functionalities on a scale suitable for employment in mass spectrometry-based assays. The resulting glycan structures enabled reporting of the activity and selectivity of celluloltic enzymes.
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Affiliation(s)
- Gregory S Bulmer
- Manchester Institute of Biotechnology (MIB) & School of Natural Sciences, The University of Manchester, Manchester, UK.
| | - Ashley P Mattey
- Manchester Institute of Biotechnology (MIB) & School of Natural Sciences, The University of Manchester, Manchester, UK.
| | - Fabio Parmeggiani
- Manchester Institute of Biotechnology (MIB) & School of Natural Sciences, The University of Manchester, Manchester, UK. and Department of Chemistry, Materials and Chemical Engineering "G. Natta", Politecnico di Milano, Milano, Italy
| | - Ryan Williams
- School of Chemistry, University of Bristol, Bristol, UK
| | - Helene Ledru
- School of Chemistry, University of Bristol, Bristol, UK
| | - Andrea Marchesi
- Manchester Institute of Biotechnology (MIB) & School of Natural Sciences, The University of Manchester, Manchester, UK.
| | - Lisa S Seibt
- Manchester Institute of Biotechnology (MIB) & School of Natural Sciences, The University of Manchester, Manchester, UK.
| | - Peter Both
- Manchester Institute of Biotechnology (MIB) & School of Natural Sciences, The University of Manchester, Manchester, UK.
| | - Kun Huang
- Manchester Institute of Biotechnology (MIB) & School of Natural Sciences, The University of Manchester, Manchester, UK.
| | | | - Sabine L Flitsch
- Manchester Institute of Biotechnology (MIB) & School of Natural Sciences, The University of Manchester, Manchester, UK.
| | - Anthony P Green
- Manchester Institute of Biotechnology (MIB) & School of Natural Sciences, The University of Manchester, Manchester, UK.
| | - Jolanda M van Munster
- Manchester Institute of Biotechnology (MIB) & School of Natural Sciences, The University of Manchester, Manchester, UK. and Scotland's Rural College, Central Faculty, Edinburgh, UK
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17
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Danglad-Flores J, Leichnitz S, Sletten ET, Abragam Joseph A, Bienert K, Le Mai Hoang K, Seeberger PH. Microwave-Assisted Automated Glycan Assembly. J Am Chem Soc 2021; 143:8893-8901. [PMID: 34060822 PMCID: PMC8213053 DOI: 10.1021/jacs.1c03851] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
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Automated synthesis
of DNA, RNA, and peptides provides quickly
and reliably important tools for biomedical research. Automated glycan
assembly (AGA) is significantly more challenging, as highly branched
carbohydrates require strict regio- and stereocontrol during synthesis.
A new AGA synthesizer enables rapid temperature adjustment from −40
to +100 °C to control glycosylations at low temperature and accelerates
capping, protecting group removal, and glycan modifications using
elevated temperatures. Thereby, the temporary protecting group portfolio
is extended from two to four orthogonal groups that give rise to oligosaccharides
with up to four branches. In addition, sulfated glycans and unprotected
glycans can be prepared. The new design reduces the typical coupling
cycles from 100 to 60 min while expanding the range of accessible
glycans. The instrument drastically shortens and generalizes the synthesis
of carbohydrates for use in biomedical and material science.
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Affiliation(s)
- José Danglad-Flores
- Department of Biomolecular Systems, Max-Planck-Institute of Colloids and Interfaces, 14476 Potsdam, Germany
| | - Sabrina Leichnitz
- Department of Biomolecular Systems, Max-Planck-Institute of Colloids and Interfaces, 14476 Potsdam, Germany.,Institute of Chemistry and Biochemistry, Freie Universität Berlin, 14195 Berlin, Germany
| | - Eric T Sletten
- Department of Biomolecular Systems, Max-Planck-Institute of Colloids and Interfaces, 14476 Potsdam, Germany
| | - A Abragam Joseph
- Department of Biomolecular Systems, Max-Planck-Institute of Colloids and Interfaces, 14476 Potsdam, Germany
| | - Klaus Bienert
- Max-Planck-Institute of Colloids and Interfaces, 14476 Potsdam, Germany
| | - Kim Le Mai Hoang
- GlycoUniverse GmbH & Co KGaA, Am Mühlenberg 11, 14476 Potsdam, Germany
| | - Peter H Seeberger
- Department of Biomolecular Systems, Max-Planck-Institute of Colloids and Interfaces, 14476 Potsdam, Germany.,Institute of Chemistry and Biochemistry, Freie Universität Berlin, 14195 Berlin, Germany
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18
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Sabbavarapu NM, Seeberger PH. Automated Glycan Assembly of Oligogalactofuranosides Reveals the Influence of Protecting Groups on Oligosaccharide Stability. J Org Chem 2021; 86:7280-7287. [PMID: 33960786 PMCID: PMC8154612 DOI: 10.1021/acs.joc.1c00505] [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: 01/23/2023]
Abstract
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Galactofurans are
an important structural constituent of arabinogalactan
and lipopolysaccharides (LPS) ubiquitously present on the envelopes
of all Mycobacteria. Key to the automated glycan
assembly (AGA) of linear galactofuranosides as long as 20-mers was
the identification of thioglycoside building blocks with a fine balance
of stereoelectronic and steric effects to ensure the stability of
oligogalactofuranoside during the synthesis. A benzoylated galactofuranose
thioglycoside building block proved most efficient for oligosaccharide
construction.
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Affiliation(s)
| | - Peter H Seeberger
- Department of Biomolecular Systems, Max-Planck-Institute of Colloids and Interfaces, 14476 Potsdam, Germany.,Freie Universität Berlin, Institute of Chemistry and Biochemistry, 14195 Berlin, Germany
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19
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Hill SA, Steinfort R, Mücke S, Reifenberger J, Sengpiel T, Hartmann L. Exploring Cyclic Sulfamidate Building Blocks for the Synthesis of Sequence-Defined Macromolecules. Macromol Rapid Commun 2021; 42:e2100193. [PMID: 33945179 DOI: 10.1002/marc.202100193] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2021] [Revised: 04/20/2021] [Indexed: 01/07/2023]
Abstract
The preparation of sequence-defined macromolecules using cyclic sulfamidates on solid-phase is outlined. The challenges surrounding an AB+CD approach are described with focus on understanding the formation of ring-opened side products when using amide coupling reagents. To avoid undesired side product formation, a strategy of iterative ring-openings of cyclic sulfamidates on solid-phase is explored. Ring-opening on primary and secondary amines is successfully reported, generating both linear and branched chain growth. However, attempts to selectively cleave N-sulfate bearing sp3 -hybridized groups cannot be demonstrated, limiting the overall building block scope for this methodology. Consequently, the active ring-opening of cyclic sulfamidates on amine-functionalized oligo(amidoamine) backbones is successfully applied to produce sequence-defined, N-sulfated macromolecules.
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Affiliation(s)
- Stephen Andrew Hill
- Institute of Organic Chemistry and Macromolecular Chemistry, Heinrich-Heine-University Düsseldorf, Universitätsstraße 1, 40225, Düsseldorf, Germany
| | - Robert Steinfort
- Institute of Organic Chemistry and Macromolecular Chemistry, Heinrich-Heine-University Düsseldorf, Universitätsstraße 1, 40225, Düsseldorf, Germany
| | - Sandra Mücke
- Institute of Organic Chemistry and Macromolecular Chemistry, Heinrich-Heine-University Düsseldorf, Universitätsstraße 1, 40225, Düsseldorf, Germany
| | - Josefine Reifenberger
- Institute of Organic Chemistry and Macromolecular Chemistry, Heinrich-Heine-University Düsseldorf, Universitätsstraße 1, 40225, Düsseldorf, Germany
| | - Tobias Sengpiel
- Institute of Organic Chemistry and Macromolecular Chemistry, Heinrich-Heine-University Düsseldorf, Universitätsstraße 1, 40225, Düsseldorf, Germany
| | - Laura Hartmann
- Institute of Organic Chemistry and Macromolecular Chemistry, Heinrich-Heine-University Düsseldorf, Universitätsstraße 1, 40225, Düsseldorf, Germany
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20
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Gening ML, Kurbatova EA, Nifantiev NE. Synthetic Analogs of Streptococcus pneumoniae Capsular Polysaccharides and Immunogenic Activities of Glycoconjugates. RUSSIAN JOURNAL OF BIOORGANIC CHEMISTRY 2021; 47:1-25. [PMID: 33776393 PMCID: PMC7980793 DOI: 10.1134/s1068162021010076] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/30/2020] [Revised: 08/14/2020] [Accepted: 08/15/2020] [Indexed: 12/13/2022]
Abstract
Streptococcus pneumoniae is a Gram-positive bacterium (pneumococcus) that causes severe diseases in adults and children. It was established that some capsular polysaccharides of the clinically significant serotypes of S. pneumoniae in the composition of commercial pneumococcal polysaccharide or conjugate vaccines exhibit low immunogenicity. The review considers production methods and structural features of the synthetic oligosaccharides from the problematic pneumococcal serotypes that are characterized with low immunogenicity due to destruction or detrimental modification occurring in the process of their preparation and purification. Bacterial serotypes that cause severe pneumococcal diseases as well as serotypes not included in the composition of the pneumococcal conjugate vaccines are also discussed. It is demonstrated that the synthetic oligosaccharides corresponding to protective glycotopes of the capsular polysaccharides of various pneumococcal serotypes are capable of inducing formation of the protective opsonizing antibodies and immunological memory. Optimal constructs of oligosaccharides from the epidemiologically significant pneumococcal serotypes are presented that can be used for designing synthetic pneumococcal vaccines, as well as test systems for diagnosis of S. pneumoniae infections and monitoring of vaccination efficiency .
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Affiliation(s)
- M. L. Gening
- Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, 119991 Moscow, Russia
| | - E A. Kurbatova
- Mechnikov Research Institute for Vaccines and Sera, 105064 Moscow, Russia
| | - N. E. Nifantiev
- Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, 119991 Moscow, Russia
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21
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Tokatly AI, Vinnitskiy DZ, Ustuzhanina NE, Nifantiev NE. Protecting Groups as a Factor of Stereocontrol in Glycosylation Reactions. RUSSIAN JOURNAL OF BIOORGANIC CHEMISTRY 2021. [DOI: 10.1134/s1068162021010258] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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22
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GAG-DB, the New Interface of the Three-Dimensional Landscape of Glycosaminoglycans. Biomolecules 2020; 10:biom10121660. [PMID: 33322545 PMCID: PMC7763844 DOI: 10.3390/biom10121660] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2020] [Revised: 12/03/2020] [Accepted: 12/09/2020] [Indexed: 12/18/2022] Open
Abstract
Glycosaminoglycans (GAGs) are complex linear polysaccharides. GAG-DB is a curated database that classifies the three-dimensional features of the six mammalian GAGs (chondroitin sulfate, dermatan sulfate, heparin, heparan sulfate, hyaluronan, and keratan sulfate) and their oligosaccharides complexed with proteins. The entries are structures of GAG and GAG-protein complexes determined by X-ray single-crystal diffraction methods, X-ray fiber diffractometry, solution NMR spectroscopy, and scattering data often associated with molecular modeling. We designed the database architecture and the navigation tools to query the database with the Protein Data Bank (PDB), UniProtKB, and GlyTouCan (universal glycan repository) identifiers. Special attention was devoted to the description of the bound glycan ligands using simple graphical representation and numerical format for cross-referencing to other databases in glycoscience and functional data. GAG-DB provides detailed information on GAGs, their bound protein ligands, and features their interactions using several open access applications. Binding covers interactions between monosaccharides and protein monosaccharide units and the evaluation of quaternary structure. GAG-DB is freely available.
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23
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Marchesi A, Parmeggiani F, Louçano J, Mattey AP, Huang K, Gupta T, Salwiczek M, Flitsch SL. Enzymatic Building-Block Synthesis for Solid-Phase Automated Glycan Assembly. Angew Chem Int Ed Engl 2020; 59:22456-22459. [PMID: 32857448 PMCID: PMC7756758 DOI: 10.1002/anie.202008067] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2020] [Indexed: 12/19/2022]
Abstract
Automated chemical oligosaccharide synthesis is an attractive concept that has been successfully applied to a large number of target structures, but requires excess quantities of suitably protected and activated building blocks. Herein we demonstrate the use of biocatalysis to supply such reagents for automated synthesis. By using the promiscuous NmLgtB-B β1-4 galactosyltransferase from Neisseria meningitidis we demonstrate fast and robust access to the LacNAc motif, common to many cell-surface glycans, starting from either lactose or sucrose as glycosyl donors. The enzymatic product was shown to be successfully incorporated as a complete unit into a tetrasaccharide target by automated assembly.
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Affiliation(s)
- Andrea Marchesi
- Manchester Institute of BiotechnologyUniversity of Manchester131 Princess StreetManchesterUK
| | - Fabio Parmeggiani
- Manchester Institute of BiotechnologyUniversity of Manchester131 Princess StreetManchesterUK
- Department of Chemistry, Materials and Chemical Engineering, “G. Natta”Politecnico di MilanoVia Mancinelli 720131MilanoItaly
| | - João Louçano
- GlycoUniverse GmbH & Co KGaAAm Muehlenberg 1114476PotsdamGermany
| | - Ashley P. Mattey
- Manchester Institute of BiotechnologyUniversity of Manchester131 Princess StreetManchesterUK
| | - Kun Huang
- Manchester Institute of BiotechnologyUniversity of Manchester131 Princess StreetManchesterUK
| | - Tanistha Gupta
- GlycoUniverse GmbH & Co KGaAAm Muehlenberg 1114476PotsdamGermany
| | - Mario Salwiczek
- GlycoUniverse GmbH & Co KGaAAm Muehlenberg 1114476PotsdamGermany
| | - Sabine L. Flitsch
- Manchester Institute of BiotechnologyUniversity of Manchester131 Princess StreetManchesterUK
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24
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Marchesi A, Parmeggiani F, Louçano J, Mattey AP, Huang K, Gupta T, Salwiczek M, Flitsch SL. Enzymatic Building‐Block Synthesis for Solid‐Phase Automated Glycan Assembly. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202008067] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Andrea Marchesi
- Manchester Institute of Biotechnology University of Manchester 131 Princess Street Manchester UK
| | - Fabio Parmeggiani
- Manchester Institute of Biotechnology University of Manchester 131 Princess Street Manchester UK
- Department of Chemistry, Materials and Chemical Engineering, “G. Natta” Politecnico di Milano Via Mancinelli 7 20131 Milano Italy
| | - João Louçano
- GlycoUniverse GmbH & Co KGaA Am Muehlenberg 11 14476 Potsdam Germany
| | - Ashley P. Mattey
- Manchester Institute of Biotechnology University of Manchester 131 Princess Street Manchester UK
| | - Kun Huang
- Manchester Institute of Biotechnology University of Manchester 131 Princess Street Manchester UK
| | - Tanistha Gupta
- GlycoUniverse GmbH & Co KGaA Am Muehlenberg 11 14476 Potsdam Germany
| | - Mario Salwiczek
- GlycoUniverse GmbH & Co KGaA Am Muehlenberg 11 14476 Potsdam Germany
| | - Sabine L. Flitsch
- Manchester Institute of Biotechnology University of Manchester 131 Princess Street Manchester UK
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25
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Zhu Y, Tyrikos-Ergas T, Schiefelbein K, Grafmüller A, Seeberger PH, Delbianco M. Automated access to well-defined ionic oligosaccharides. Org Biomol Chem 2020; 18:1349-1353. [PMID: 32037424 DOI: 10.1039/d0ob00137f] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Ionic polysaccharides are part of many biological events, but lack structural characterisation due to challenging purifications and complex synthesis. Four monosaccharides bearing modifications not found in nature are used for the automated synthesis of a collection of ionic oligosaccharides. Structural analysis reveals how the charge pattern affects glycan conformation.
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Affiliation(s)
- Yuntao Zhu
- Department of Biomolecular Systems, Max-Planck-Institute of Colloids and Interfaces, Am Mühlenberg 1, 14476 Potsdam, Germany.
| | - Theodore Tyrikos-Ergas
- Department of Biomolecular Systems, Max-Planck-Institute of Colloids and Interfaces, Am Mühlenberg 1, 14476 Potsdam, Germany. and Department of Chemistry and Biochemistry, Freie Universität Berlin, Arnimallee 22, 14195 Berlin, Germany
| | - Kevin Schiefelbein
- Department of Biomolecular Systems, Max-Planck-Institute of Colloids and Interfaces, Am Mühlenberg 1, 14476 Potsdam, Germany.
| | - Andrea Grafmüller
- Department of Theory, Max-Planck-Institute of Colloids and Interfaces, Am Mühlenberg 1, 14476 Potsdam, Germany
| | - Peter H Seeberger
- Department of Biomolecular Systems, Max-Planck-Institute of Colloids and Interfaces, Am Mühlenberg 1, 14476 Potsdam, Germany. and Department of Chemistry and Biochemistry, Freie Universität Berlin, Arnimallee 22, 14195 Berlin, Germany
| | - Martina Delbianco
- Department of Biomolecular Systems, Max-Planck-Institute of Colloids and Interfaces, Am Mühlenberg 1, 14476 Potsdam, Germany.
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26
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Li R, Yu H, Chen X. Recent progress in chemical synthesis of bacterial surface glycans. Curr Opin Chem Biol 2020; 58:121-136. [PMID: 32920523 DOI: 10.1016/j.cbpa.2020.08.003] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2020] [Revised: 08/05/2020] [Accepted: 08/06/2020] [Indexed: 12/13/2022]
Abstract
With the continuing advancement of carbohydrate chemical synthesis, bacterial glycomes have become increasingly attractive and accessible synthetic targets. Although bacteria also produce carbohydrate-containing secondary metabolites, our review here will cover recent chemical synthetic efforts on bacterial surface glycans. The obtained compounds are excellent candidates for the development of improved structurally defined glycoconjugate vaccines to combat bacterial infections. They are also important probes for investigating glycan-protein interactions. Glycosylation strategies applied for the formation of some challenging glycosidic bonds of various uncommon sugars in a number of recently synthesized bacterial surface glycans are highlighted.
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Affiliation(s)
- Riyao Li
- Department of Chemistry, University of California Davis, Davis, CA, USA
| | - Hai Yu
- Department of Chemistry, University of California Davis, Davis, CA, USA
| | - Xi Chen
- Department of Chemistry, University of California Davis, Davis, CA, USA.
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27
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Bandi CK, Goncalves A, Pingali SV, Chundawat SPS. Carbohydrate‐binding domains facilitate efficient oligosaccharides synthesis by enhancing mutant catalytic domain transglycosylation activity. Biotechnol Bioeng 2020; 117:2944-2956. [DOI: 10.1002/bit.27473] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2020] [Revised: 06/16/2020] [Accepted: 06/21/2020] [Indexed: 01/31/2023]
Affiliation(s)
- Chandra Kanth Bandi
- Department of Chemical and Biochemical Engineering, Rutgers The State University of New Jersey Piscataway New Jersey
| | - Antonio Goncalves
- Department of Chemical and Biochemical Engineering, Rutgers The State University of New Jersey Piscataway New Jersey
| | - Sai Venkatesh Pingali
- Neutron Scattering Division, Center for Structural Molecular Biology Oak Ridge National Laboratory Oak Ridge Tennessee
| | - Shishir P. S. Chundawat
- Department of Chemical and Biochemical Engineering, Rutgers The State University of New Jersey Piscataway New Jersey
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28
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Mende M, Bordoni V, Tsouka A, Loeffler FF, Delbianco M, Seeberger PH. Multivalent glycan arrays. Faraday Discuss 2020; 219:9-32. [PMID: 31298252 DOI: 10.1039/c9fd00080a] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Glycan microarrays have become a powerful technology to study biological processes, such as cell-cell interaction, inflammation, and infections. Yet, several challenges, especially in multivalent display, remain. In this introductory lecture we discuss the state-of-the-art glycan microarray technology, with emphasis on novel approaches to access collections of pure glycans and their immobilization on surfaces. Future directions to mimic the natural glycan presentation on an array format, as well as in situ generation of combinatorial glycan collections, are discussed.
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Affiliation(s)
- Marco Mende
- Department of Biomolecular Systems, Max Planck Institute of Colloids and Interfaces, Am Mühlenberg 1, 14476 Potsdam, Germany.
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29
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Corolleur F, Level A, Matt M, Perez S. Innovation potentials triggered by glycoscience research. Carbohydr Polym 2020; 233:115833. [DOI: 10.1016/j.carbpol.2020.115833] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2019] [Revised: 12/31/2019] [Accepted: 01/03/2020] [Indexed: 12/29/2022]
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30
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Ding Y, Vara Prasad CVNS, Wang B. Glycosylation on Unprotected or Partially Protected Acceptors. European J Org Chem 2020. [DOI: 10.1002/ejoc.201901675] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Yili Ding
- Life Science Department; Foshan University; 528000 Foshan Guangdong China
| | | | - Bingyun Wang
- Life Science Department; Foshan University; 528000 Foshan Guangdong China
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31
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Vacchini M, Edwards R, Guizzardi R, Palmioli A, Ciaramelli C, Paiotta A, Airoldi C, La Ferla B, Cipolla L. Glycan Carriers As Glycotools for Medicinal Chemistry Applications. Curr Med Chem 2019; 26:6349-6398. [DOI: 10.2174/0929867326666190104164653] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2018] [Revised: 11/07/2018] [Accepted: 12/18/2018] [Indexed: 12/12/2022]
Abstract
Carbohydrates are one of the most powerful and versatile classes of biomolecules that nature
uses to regulate organisms’ biochemistry, modulating plenty of signaling events within cells, triggering
a plethora of physiological and pathological cellular behaviors. In this framework, glycan carrier
systems or carbohydrate-decorated materials constitute interesting and relevant tools for medicinal
chemistry applications. In the last few decades, efforts have been focused, among others, on the development
of multivalent glycoconjugates, biosensors, glycoarrays, carbohydrate-decorated biomaterials
for regenerative medicine, and glyconanoparticles. This review aims to provide the reader with a general
overview of the different carbohydrate carrier systems that have been developed as tools in different
medicinal chemistry approaches relying on carbohydrate-protein interactions. Given the extent of
this topic, the present review will focus on selected examples that highlight the advancements and potentialities
offered by this specific area of research, rather than being an exhaustive literature survey of
any specific glyco-functionalized system.
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Affiliation(s)
- Mattia Vacchini
- Department of Biotechnology and Biosciences, University of Milano-Bicocca Milano, Italy
| | - Rana Edwards
- Department of Biotechnology and Biosciences, University of Milano-Bicocca Milano, Italy
| | - Roberto Guizzardi
- Department of Biotechnology and Biosciences, University of Milano-Bicocca Milano, Italy
| | - Alessandro Palmioli
- Department of Biotechnology and Biosciences, University of Milano-Bicocca Milano, Italy
| | - Carlotta Ciaramelli
- Department of Biotechnology and Biosciences, University of Milano-Bicocca Milano, Italy
| | - Alice Paiotta
- Department of Biotechnology and Biosciences, University of Milano-Bicocca Milano, Italy
| | - Cristina Airoldi
- Department of Biotechnology and Biosciences, University of Milano-Bicocca Milano, Italy
| | - Barbara La Ferla
- Department of Biotechnology and Biosciences, University of Milano-Bicocca Milano, Italy
| | - Laura Cipolla
- Department of Biotechnology and Biosciences, University of Milano-Bicocca Milano, Italy
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32
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Pardo-Vargas A, Bharate P, Delbianco M, Seeberger PH. Automated glycan assembly of arabinomannan oligosaccharides from Mycobacterium tuberculosis. Beilstein J Org Chem 2019; 15:2936-2940. [PMID: 31839840 PMCID: PMC6902893 DOI: 10.3762/bjoc.15.288] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2019] [Accepted: 11/28/2019] [Indexed: 12/12/2022] Open
Abstract
Arabinomannan (AM) polysaccharides are clinical biomarkers for Mycobacterium tuberculosis (MTB) infections due to their roles in the interaction with host cells and interference with macrophage activation. Collections of defined AM oligosaccharides can help to improve the understanding of these polysaccharides and the development of novel therapeutical and diagnostic agents. Automated glycan assembly (AGA) was employed to prepare the core structure of AM from MTB, containing α-(1,6)-Man, α-(1,5)-Ara, and α-(1,2)-Man linkages. The introduction of a capping step after each glycosylation and further optimized reaction conditions allowed for the synthesis of a series of oligosaccharides, ranging from hexa- to branched dodecasaccharides.
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Affiliation(s)
- Alonso Pardo-Vargas
- Department of Biomolecular Systems, Max-Planck-Institute of Colloids and Interfaces, Am Mühlenberg 1, 14476 Potsdam, Germany.,Institute of Chemistry and Biochemistry, Freie Universität Berlin, Arnimallee 22, 14195 Berlin, Germany
| | - Priya Bharate
- Department of Biomolecular Systems, Max-Planck-Institute of Colloids and Interfaces, Am Mühlenberg 1, 14476 Potsdam, Germany
| | - Martina Delbianco
- Department of Biomolecular Systems, Max-Planck-Institute of Colloids and Interfaces, Am Mühlenberg 1, 14476 Potsdam, Germany
| | - Peter H Seeberger
- Department of Biomolecular Systems, Max-Planck-Institute of Colloids and Interfaces, Am Mühlenberg 1, 14476 Potsdam, Germany.,Institute of Chemistry and Biochemistry, Freie Universität Berlin, Arnimallee 22, 14195 Berlin, Germany
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33
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Yu Y, Tyrikos‐Ergas T, Zhu Y, Fittolani G, Bordoni V, Singhal A, Fair RJ, Grafmüller A, Seeberger PH, Delbianco M. Systematic Hydrogen-Bond Manipulations To Establish Polysaccharide Structure-Property Correlations. Angew Chem Int Ed Engl 2019; 58:13127-13132. [PMID: 31359577 PMCID: PMC6772130 DOI: 10.1002/anie.201906577] [Citation(s) in RCA: 59] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2019] [Indexed: 12/03/2022]
Abstract
A dense hydrogen-bond network is responsible for the mechanical and structural properties of polysaccharides. Random derivatization alters the properties of the bulk material by disrupting the hydrogen bonds, but obstructs detailed structure-function correlations. We have prepared well-defined unnatural oligosaccharides including methylated, deoxygenated, deoxyfluorinated, as well as carboxymethylated cellulose and chitin analogues with full control over the degree and pattern of substitution. Molecular dynamics simulations and crystallographic analysis show how distinct hydrogen-bond modifications drastically affect the solubility, aggregation behavior, and crystallinity of carbohydrate materials. This systematic approach to establishing detailed structure-property correlations will guide the synthesis of novel, tailor-made carbohydrate materials.
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Affiliation(s)
- Yang Yu
- Department of Biomolecular SystemsMax-Planck-Institute of Colloids and InterfacesAm Mühlenberg 114476PotsdamGermany
- Department of Chemistry and BiochemistryFreie Universität BerlinArnimallee 2214195BerlinGermany
| | - Theodore Tyrikos‐Ergas
- Department of Biomolecular SystemsMax-Planck-Institute of Colloids and InterfacesAm Mühlenberg 114476PotsdamGermany
- Department of Chemistry and BiochemistryFreie Universität BerlinArnimallee 2214195BerlinGermany
| | - Yuntao Zhu
- Department of Biomolecular SystemsMax-Planck-Institute of Colloids and InterfacesAm Mühlenberg 114476PotsdamGermany
| | - Giulio Fittolani
- Department of Biomolecular SystemsMax-Planck-Institute of Colloids and InterfacesAm Mühlenberg 114476PotsdamGermany
- Department of Chemistry and BiochemistryFreie Universität BerlinArnimallee 2214195BerlinGermany
| | - Vittorio Bordoni
- Department of Biomolecular SystemsMax-Planck-Institute of Colloids and InterfacesAm Mühlenberg 114476PotsdamGermany
| | - Ankush Singhal
- Department of TheoryMax-Planck-Institute of Colloids and InterfacesAm Mühlenberg 114476PotsdamGermany
| | - Richard J. Fair
- Department of Biomolecular SystemsMax-Planck-Institute of Colloids and InterfacesAm Mühlenberg 114476PotsdamGermany
- Current affiliation: X-Chem Pharmaceutical100 Beaver St.WalthamMA02453USA
| | - Andrea Grafmüller
- Department of TheoryMax-Planck-Institute of Colloids and InterfacesAm Mühlenberg 114476PotsdamGermany
| | - Peter H. Seeberger
- Department of Biomolecular SystemsMax-Planck-Institute of Colloids and InterfacesAm Mühlenberg 114476PotsdamGermany
- Department of Chemistry and BiochemistryFreie Universität BerlinArnimallee 2214195BerlinGermany
| | - Martina Delbianco
- Department of Biomolecular SystemsMax-Planck-Institute of Colloids and InterfacesAm Mühlenberg 114476PotsdamGermany
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34
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Yu Y, Tyrikos‐Ergas T, Zhu Y, Fittolani G, Bordoni V, Singhal A, Fair RJ, Grafmüller A, Seeberger PH, Delbianco M. Systematic Hydrogen‐Bond Manipulations To Establish Polysaccharide Structure–Property Correlations. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201906577] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Yang Yu
- 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
| | - Theodore Tyrikos‐Ergas
- 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
| | - Yuntao Zhu
- Department of Biomolecular Systems Max-Planck-Institute of Colloids and Interfaces Am Mühlenberg 1 14476 Potsdam Germany
| | - 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
| | - Vittorio Bordoni
- Department of Biomolecular Systems Max-Planck-Institute of Colloids and Interfaces Am Mühlenberg 1 14476 Potsdam Germany
| | - Ankush Singhal
- Department of Theory Max-Planck-Institute of Colloids and Interfaces Am Mühlenberg 1 14476 Potsdam Germany
| | - Richard J. Fair
- Department of Biomolecular Systems Max-Planck-Institute of Colloids and Interfaces Am Mühlenberg 1 14476 Potsdam Germany
- Current affiliation: X-Chem Pharmaceutical 100 Beaver St. Waltham MA 02453 USA
| | - Andrea Grafmüller
- Department of Theory Max-Planck-Institute of Colloids and Interfaces Am Mühlenberg 1 14476 Potsdam 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
| | - Martina Delbianco
- Department of Biomolecular Systems Max-Planck-Institute of Colloids and Interfaces Am Mühlenberg 1 14476 Potsdam Germany
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35
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Acid-mediated N-iodosuccinimide-based thioglycoside activation for the automated solution-phase synthesis of α-1,2-linked-rhamnopyranosides. PURE APPL CHEM 2019. [DOI: 10.1515/pac-2019-0307] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Abstract
Carbohydrate structures are often complex. Unfortunately, synthesis of the range of sugar combinations precludes the use of a single coupling protocol or set of reagents. Adapting known, reliable bench-chemistry reactions to work via automation will help forward the goal of synthesizing a broad range of glycans. Herein, the preparation of di- and tri-saccharides of alpha 1→2 rhamnan fragments is demonstrated using thioglycoside donors with the development for a solution-phase-based automation platform of commonly used activation conditions using N-iodosuccinimide (NIS) with trimethylsilyl triflate. Byproducts of the glycosylation reaction are shown to be compatible with hydrazine-based deprotection conditions, lending broader functionality to this method as only one fluorous-solid-phase extraction step per coupling/deprotection cycle is required.
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36
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Affiliation(s)
- Giulio Fittolani
- Department of Biomolecular SystemsMax Planck Institute of Colloids and Interfaces Potsdam Germany
| | - Peter H. Seeberger
- Department of Biomolecular SystemsMax Planck Institute of Colloids and Interfaces Potsdam Germany
- Institute of Chemistry and BiochemistryFreie Universität Berlin Berlin Germany
| | - Martina Delbianco
- Department of Biomolecular SystemsMax Planck Institute of Colloids and Interfaces Potsdam Germany
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37
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Le Mai Hoang K, Pardo-Vargas A, Zhu Y, Yu Y, Loria M, Delbianco M, Seeberger PH. Traceless Photolabile Linker Expedites the Chemical Synthesis of Complex Oligosaccharides by Automated Glycan Assembly. J Am Chem Soc 2019; 141:9079-9086. [PMID: 31091089 PMCID: PMC6750752 DOI: 10.1021/jacs.9b03769] [Citation(s) in RCA: 34] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
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Automated glycan
assembly (AGA) aims at accelerating access to
synthetic oligosaccharides to meet the demand for defined glycans
as tools for molecular glycobiology. The linkers used to connect the
growing glycan chain to the solid support play a pivotal role in the
synthesis strategy as they determine all chemical conditions used
during the synthesis and the form of the glycan obtained at the end
of it. Here, we describe a traceless photolabile linker used to prepare
carbohydrates with a free reducing end. Modification of the o-nitrobenzyl scaffold of the linker is key to high yields
and compatibility with the AGA workflow. The assembly of an asymmetrical
biantennary N-glycan from oligosaccharide fragments
prepared by AGA and linear as well as branched β-oligoglucans
is described to illustrate the power of the method. These substrates
will serve as standards and biomarkers to examine the unique specificity
of glycosyl hydrolases.
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Affiliation(s)
- Kim Le Mai Hoang
- Department of Biomolecular Systems , Max-Planck-Institute of Colloids and Interfaces , Am Mühlenberg 1 , 14476 Potsdam , Germany
| | - Alonso Pardo-Vargas
- Department of Biomolecular Systems , Max-Planck-Institute of Colloids and Interfaces , Am Mühlenberg 1 , 14476 Potsdam , Germany.,Institute of Chemistry and Biochemistry , Freie Universität Berlin , Arnimallee 22 , 14195 Berlin , Germany
| | - Yuntao Zhu
- Department of Biomolecular Systems , Max-Planck-Institute of Colloids and Interfaces , Am Mühlenberg 1 , 14476 Potsdam , Germany
| | - Yang Yu
- Department of Biomolecular Systems , Max-Planck-Institute of Colloids and Interfaces , Am Mühlenberg 1 , 14476 Potsdam , Germany.,Institute of Chemistry and Biochemistry , Freie Universität Berlin , Arnimallee 22 , 14195 Berlin , Germany
| | - Mirco Loria
- Institute of Chemistry and Biochemistry , Freie Universität Berlin , Arnimallee 22 , 14195 Berlin , Germany
| | - Martina Delbianco
- Department of Biomolecular Systems , Max-Planck-Institute of Colloids and Interfaces , Am Mühlenberg 1 , 14476 Potsdam , Germany
| | - Peter H Seeberger
- Department of Biomolecular Systems , Max-Planck-Institute of Colloids and Interfaces , Am Mühlenberg 1 , 14476 Potsdam , Germany.,Institute of Chemistry and Biochemistry , Freie Universität Berlin , Arnimallee 22 , 14195 Berlin , Germany
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38
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Gim S, Zhu Y, Seeberger PH, Delbianco M. Carbohydrate-based nanomaterials for biomedical applications. WILEY INTERDISCIPLINARY REVIEWS-NANOMEDICINE AND NANOBIOTECHNOLOGY 2019; 11:e1558. [PMID: 31063240 DOI: 10.1002/wnan.1558] [Citation(s) in RCA: 38] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/12/2019] [Revised: 03/21/2019] [Accepted: 03/26/2019] [Indexed: 01/09/2023]
Abstract
Carbohydrates are abundant biomolecules, with a strong tendency to form supramolecular networks. A host of carbohydrate-based nanomaterials have been exploited for biomedical applications. These structures are based on simple mono- or disaccharides, as well as on complex, polymeric systems. Chemical modifications serve to tune the shapes and properties of these materials. In particular, carbohydrate-based nanoparticles and nanogels were used for drug delivery, imaging, and tissue engineering applications. Due to the reversible nature of the assembly, often based on a combination of hydrogen bonding and hydrophobic interactions, carbohydrate-based materials are valuable substrates for the creations of responsive systems. Herein, we review the current research on carbohydrate-based nanomaterials, with a particular focus on carbohydrate assembly. We will discuss how these systems are formed and how their properties are tuned. Particular emphasis will be placed on the use of carbohydrates for biomedical applications. This article is categorized under: Nanotechnology Approaches to Biology > Nanoscale Systems in Biology.
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Affiliation(s)
- Soeun Gim
- Department of Biomolecular Systems, Max Planck Institute of Colloids and Interfaces, Potsdam, Germany.,Department of Chemistry and Biochemistry, Freie Universität Berlin, Berlin, Germany
| | - Yuntao Zhu
- 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.,Department of Chemistry and Biochemistry, Freie Universität Berlin, Berlin, Germany
| | - Martina Delbianco
- Department of Biomolecular Systems, Max Planck Institute of Colloids and Interfaces, Potsdam, Germany
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39
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Yu Y, Gim S, Kim D, Arnon ZA, Gazit E, Seeberger PH, Delbianco M. Oligosaccharides Self-Assemble and Show Intrinsic Optical Properties. J Am Chem Soc 2019; 141:4833-4838. [PMID: 30829477 PMCID: PMC6727349 DOI: 10.1021/jacs.8b11882] [Citation(s) in RCA: 40] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
Self-assembling peptides and oligonucleotides have given rise to synthetic materials with several applications in nanotechnology. Aggregation of synthetic oligosaccharides into well-defined architectures has not been reported even though natural polysaccharides, such as cellulose and chitin, are key structural components of biomaterials. Here, we report that six synthetic oligosaccharides, ranging from dimers to hexamers, self-assemble into nanostructures of varying morphologies and emit within the visible spectrum in an excitation-dependent manner. Well-defined differences in chain length, monomer modification, and aggregation methods yield glycomaterials with distinct shapes and properties. The excitation-dependent fluorescence in a broad range within the visible spectrum illustrates their potential for use in optical devices and imaging applications. We anticipate that our systematic approach of studying well-defined synthetic oligosaccharides will form the foundation of our understanding of carbohydrate interactions in nature.
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Affiliation(s)
- Yang Yu
- 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
| | - Soeun Gim
- 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
| | - Dongyoon Kim
- Department of Biomolecular Systems , Max Planck Institute of Colloids and Interfaces , Am Mühlenberg 1 , 14476 Potsdam , Germany
| | - Zohar A Arnon
- Department of Molecular Microbiology and Biotechnology, George S. Wise Faculty of Life Sciences , Tel Aviv University , Tel Aviv 6997801 , Israel
| | - Ehud Gazit
- Department of Molecular Microbiology and Biotechnology, George S. Wise Faculty of Life Sciences , Tel Aviv University , Tel Aviv 6997801 , Israel.,Department of Materials Science and Engineering Iby and Aladar Fleischman Faculty of Engineering , Tel Aviv University , Tel Aviv 6997801 , Israel
| | - 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
| | - Martina Delbianco
- Department of Biomolecular Systems , Max Planck Institute of Colloids and Interfaces , Am Mühlenberg 1 , 14476 Potsdam , Germany
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40
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Abstract
The translation of biological glycosylation in humans to the clinical applications involves systematic studies using homogeneous samples of oligosaccharides and glycoconjugates, which could be accessed by chemical, enzymatic or other biological methods. However, the structural complexity and wide-range variations of glycans and their conjugates represent a major challenge in the synthesis of this class of biomolecules. To help navigate within many methods of oligosaccharide synthesis, this Perspective offers a critical assessment of the most promising synthetic strategies with an eye on the therapeutically relevant targets.
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Affiliation(s)
- Larissa Krasnova
- Department of Chemistry , The Scripps Research Institute , 10550 N. Torrey Pines Road , La Jolla , California 92037 , United States
| | - Chi-Huey Wong
- Department of Chemistry , The Scripps Research Institute , 10550 N. Torrey Pines Road , La Jolla , California 92037 , United States.,Genomics Research Center, Academia Sinica , Taipei 115 , Taiwan
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41
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Lucchetti N, Gilmour R. Reengineering Chemical Glycosylation: Direct, Metal-Free Anomeric O-Arylation of Unactivated Carbohydrates. Chemistry 2018; 24:16266-16270. [DOI: 10.1002/chem.201804416] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2018] [Indexed: 12/12/2022]
Affiliation(s)
- Nicola Lucchetti
- Organisch Chemisches Institut; Westfälische Wilhelms-Universität Münster; Correnstraße 40 48149 Münster Germany
| | - Ryan Gilmour
- Organisch Chemisches Institut; Westfälische Wilhelms-Universität Münster; Correnstraße 40 48149 Münster Germany
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42
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Abstract
The conjugation of biomolecules can impart materials with the bioactivity necessary to modulate specific cell behaviors. While the biological roles of particular polypeptide, oligonucleotide, and glycan structures have been extensively reviewed, along with the influence of attachment on material structure and function, the key role played by the conjugation strategy in determining activity is often overlooked. In this review, we focus on the chemistry of biomolecule conjugation and provide a comprehensive overview of the key strategies for achieving controlled biomaterial functionalization. No universal method exists to provide optimal attachment, and here we will discuss both the relative advantages and disadvantages of each technique. In doing so, we highlight the importance of carefully considering the impact and suitability of a particular technique during biomaterial design.
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Affiliation(s)
- Christopher D. Spicer
- Department
of Medical Biochemistry and Biophysics, Karolinska Institutet, Scheeles Väg 2, Stockholm, Sweden
| | - E. Thomas Pashuck
- NJ
Centre for Biomaterials, Rutgers University, 145 Bevier Road, Piscataway, New Jersey United States
| | - Molly M. Stevens
- Department
of Medical Biochemistry and Biophysics, Karolinska Institutet, Scheeles Väg 2, Stockholm, Sweden
- Department
of Materials, Department of Bioengineering, and Institute of Biomedical Engineering, Imperial College London, Exhibition Road, London, United Kingdom
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