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Li W, Yu B. Temporary ether protecting groups at the anomeric center in complex carbohydrate synthesis. Adv Carbohydr Chem Biochem 2020; 77:1-69. [PMID: 33004110 DOI: 10.1016/bs.accb.2019.10.001] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
The synthesis of a carbohydrate building block usually starts with introduction of a temporary protecting group at the anomeric center and ends with its selective cleavage for further transformation. Thus, the choice of the anomeric temporary protecting group must be carefully considered because it should retain intact during the whole synthetic manipulation, and it should be chemoselectively removable without affecting other functional groups at a late stage in the synthesis. Etherate groups are the most widely used temporary protecting groups at the anomeric center, generally including allyl ethers, MP (p-methoxyphenyl) ethers, benzyl ethers, PMB (p-methoxybenzyl) eithers, and silyl ethers. This chapter provides a comprehensive review on their formation, cleavage, and applications in the synthesis of complex carbohydrates.
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Affiliation(s)
- Wei Li
- Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, Nanjing, China.
| | - Biao Yu
- State Key Laboratory of Bio-organic and Natural Products Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai, China.
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2
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Wang N, Li ST, Lu TT, Nakanishi H, Gao XD. Approaches towards the core pentasaccharide in N- linked glycans. CHINESE CHEM LETT 2018. [DOI: 10.1016/j.cclet.2017.09.044] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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3
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Brzezicka K, Vogel U, Serna S, Johannssen T, Lepenies B, Reichardt NC. Influence of Core β-1,2-Xylosylation on Glycoprotein Recognition by Murine C-type Lectin Receptors and Its Impact on Dendritic Cell Targeting. ACS Chem Biol 2016; 11:2347-56. [PMID: 27314276 DOI: 10.1021/acschembio.6b00265] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
Targeting antigens to dendritic cell subsets is a promising strategy to enhance the efficacy of vaccines. C-type lectin receptors (CLRs) expressed by dendritic cells are particularly attractive candidates since CLR engagement may promote cell uptake and may further stimulate antigen presentation and subsequent T cell activation. While most previous approaches have involved antibody-mediated CLR-targeting, glycan-based CLR targeting has become more and more attractive in recent years. In the present study, we show that small structural glycan modifications may markedly influence CLR recognition, dendritic cell targeting, and subsequent T cell activation. A biantennary N-glycan (G0) and its analogous O-2 core xylosylated N-glycan (XG0) were synthesized, covalently conjugated to the model antigen ovalbumin, and analyzed for binding to a set of murine CLR-Fc fusion proteins using lectin microarray. To evaluate whether the differential binding of G0 and XG0 to CLRs impacted dendritic cell targeting, uptake studies using murine dendritic cells were performed. Finally, effects of the ovalbumin glycoconjugates on T cell activation were measured in a dendritic cell/T cell cocultivation assay. Our results highlight the utility of glycan-based dendritic cell targeting and demonstrate that small structural differences may have a major impact on dendritic cell targeting efficacy.
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Affiliation(s)
- Katarzyna Brzezicka
- CIC biomaGUNE, Glycotechnology Laboratory, Paseo Miramón 182, 20009 San Sebastian, Spain
| | - Uwe Vogel
- Max Planck Institute of Colloids and Interfaces, Department of Biomolecular Systems, Am Mühlenberg 1, 14476 Potsdam, Germany
| | - Sonia Serna
- CIC biomaGUNE, Glycotechnology Laboratory, Paseo Miramón 182, 20009 San Sebastian, Spain
| | - Timo Johannssen
- Max Planck Institute of Colloids and Interfaces, Department of Biomolecular Systems, Am Mühlenberg 1, 14476 Potsdam, Germany
- Freie Universität Berlin, Institute of
Chemistry and Biochemistry, Arnimallee 22, 14195 Berlin, Germany
- University of Veterinary Medicine Hannover, Immunology
Group, Research Center of Emerging Infections and Zoonoses (RIZ), Bünteweg 17, 30559 Hannover, Germany
| | - Bernd Lepenies
- Max Planck Institute of Colloids and Interfaces, Department of Biomolecular Systems, Am Mühlenberg 1, 14476 Potsdam, Germany
- Freie Universität Berlin, Institute of
Chemistry and Biochemistry, Arnimallee 22, 14195 Berlin, Germany
- University of Veterinary Medicine Hannover, Immunology
Group, Research Center of Emerging Infections and Zoonoses (RIZ), Bünteweg 17, 30559 Hannover, Germany
| | - Niels-Christian Reichardt
- CIC biomaGUNE, Glycotechnology Laboratory, Paseo Miramón 182, 20009 San Sebastian, Spain
- CIBER-BBN, Paseo Miramón 182, 20009 San Sebastian, Spain
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Calle LP, Echeverria B, Franconetti A, Serna S, Fernández‐Alonso MC, Diercks T, Cañada FJ, Ardá A, Reichardt N, Jiménez‐Barbero J. Monitoring Glycan–Protein Interactions by NMR Spectroscopic Analysis: A Simple Chemical Tag That Mimics Natural CH–π Interactions. Chemistry 2015; 21:11408-16. [DOI: 10.1002/chem.201501248] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2015] [Indexed: 11/08/2022]
Affiliation(s)
- Luis P. Calle
- Department of Chemical and Physical Biology, CIB‐CSIC, Ramiro de Maeztu 9, 28040 Madrid (Spain)
| | - Begoña Echeverria
- Department of Glycotechnology, CICbiomaGUNE, Paseo Miramón 182, 20009 San Sebastián (Spain)
| | - Antonio Franconetti
- Department of Organic Chemistry, University of Sevilla, Profesor García González 1, 41012 Sevilla (Spain)
| | - Sonia Serna
- Department of Glycotechnology, CICbiomaGUNE, Paseo Miramón 182, 20009 San Sebastián (Spain)
| | | | - Tammo Diercks
- Structural Biology Unit, CIC bioGUNE, Parque Tecnologico de Bizkaia, Building 801a, 48160 Derio (Spain)
| | - F. Javier Cañada
- Department of Chemical and Physical Biology, CIB‐CSIC, Ramiro de Maeztu 9, 28040 Madrid (Spain)
| | - Ana Ardá
- Structural Biology Unit, CIC bioGUNE, Parque Tecnologico de Bizkaia, Building 801a, 48160 Derio (Spain)
| | | | - Jesús Jiménez‐Barbero
- Structural Biology Unit, CIC bioGUNE, Parque Tecnologico de Bizkaia, Building 801a, 48160 Derio (Spain)
- Ikerbasque, Basque Foundation for Science, 48013 Bilbao (Spain)
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Brzezicka K, Echeverria B, Serna S, van Diepen A, Hokke CH, Reichardt NC. Synthesis and microarray-assisted binding studies of core xylose and fucose containing N-glycans. ACS Chem Biol 2015; 10:1290-302. [PMID: 25664929 DOI: 10.1021/cb501023u] [Citation(s) in RCA: 50] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The synthesis of a collection of 33 xylosylated and core-fucosylated N-glycans found only in nonmammalian organisms such as plants and parasitic helminths has been achieved by employing a highly convergent chemo-enzymatic approach. The influence of these core modifications on the interaction with plant lectins, with the human lectin DC-SIGN (Dendritic Cell-Specific Intercellular adhesion molecule-3-Grabbing Nonintegrin), and with serum antibodies from schistosome-infected individuals was studied. Core xylosylation markedly reduced or completely abolished binding to several mannose-binding plant lectins and to DC-SIGN, a C-type lectin receptor present on antigen presenting cells. Employing the synthetic collection of core-fucosylated and core-xylosylated N-glycans in the context of a larger glycan array including structures lacking these core modifications, we were able to dissect core xylose and core fucose specific antiglycan antibody responses in S. mansoni infection sera, and we observed clear and immunologically relevant differences between children and adult groups infected with this parasite. The work presented here suggests that, quite similar to bisecting N-acetylglucosamine, core xylose distorts the conformation of the unsubstituted glycan, with important implications for the immunogenicity and protein binding properties of complex N-glycans.
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Affiliation(s)
- Katarzyna Brzezicka
- Glycotechnology
Laboratory, CIC biomaGUNE, Paseo Miramón 182, 20009 San Sebastian, Spain
| | - Begoña Echeverria
- Glycotechnology
Laboratory, CIC biomaGUNE, Paseo Miramón 182, 20009 San Sebastian, Spain
| | - Sonia Serna
- Glycotechnology
Laboratory, CIC biomaGUNE, Paseo Miramón 182, 20009 San Sebastian, Spain
| | - Angela van Diepen
- Parasite
Glycobiology Group, Department of Parasitology, Leiden University Medical Center, P.O.
Box 9600, 2300 RC Leiden, The Netherlands
| | - Cornelis H. Hokke
- Parasite
Glycobiology Group, Department of Parasitology, Leiden University Medical Center, P.O.
Box 9600, 2300 RC Leiden, The Netherlands
| | - Niels-Christian Reichardt
- Glycotechnology
Laboratory, CIC biomaGUNE, Paseo Miramón 182, 20009 San Sebastian, Spain
- CIBER BBN, Paseo Miramón
182, 20009 San Sebastian, Spain
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Despras G, Urban D, Vauzeilles B, Beau JM. One-pot synthesis ofd-glucosamine and chitobiosyl building blocks catalyzed by triflic acid on molecular sieves. Chem Commun (Camb) 2014; 50:1067-9. [DOI: 10.1039/c3cc48078j] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
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Chassagne P, Fontana C, Guerreiro C, Gauthier C, Phalipon A, Widmalm G, Mulard LA. Structural Studies of theO-Acetyl-Containing O-Antigen from aShigella flexneriSerotype 6 Strain and Synthesis of Oligosaccharide Fragments Thereof. European J Org Chem 2013. [DOI: 10.1002/ejoc.201300180] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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8
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Lu Z, Ding N, Zhang W, Wang P, Li Y. A convenient synthesis of the core trisaccharide of the N-glycans. Tetrahedron Lett 2011. [DOI: 10.1016/j.tetlet.2011.04.060] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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9
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Serna S, Etxebarria J, Ruiz N, Martin-Lomas M, Reichardt NC. Construction ofN-Glycan Microarrays by Using Modular Synthesis and On-Chip Nanoscale Enzymatic Glycosylation. Chemistry 2010; 16:13163-75. [DOI: 10.1002/chem.201001295] [Citation(s) in RCA: 58] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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Unverzagt C, Gundel G, Eller S, Schuberth R, Seifert J, Weiss H, Niemietz M, Pischl M, Raps C. Synthesis of multiantennary complex type N-glycans by use of modular building blocks. Chemistry 2010; 15:12292-302. [PMID: 19806620 DOI: 10.1002/chem.200901908] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
A modular set of oligosaccharide building blocks was developed for the synthesis of multiantennary N-glycans of the complex type, which are commonly found on glycoproteins. The donor building blocks were laid out for the elongation of a core trisaccharide acceptor (beta-mannosyl chitobiose) conveniently protected with a single benzylidene moiety at the beta-mannoside. Through two consecutive regio- and stereoselective couplings the donors gave N-glycans with three to five antennae in high yields. Due to the consistent protection group pattern of the donors the deprotection of the final products can be performed by using a general reaction sequence.
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Affiliation(s)
- Carlo Unverzagt
- Bioorganische Chemie, Universität Bayreuth, Gebäude NW1, 95440 Bayreuth, Germany.
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Yu B, Sun J. Glycosylation with glycosyl N-phenyltrifluoroacetimidates (PTFAI) and a perspective of the future development of new glycosylation methods. Chem Commun (Camb) 2010; 46:4668-79. [DOI: 10.1039/c0cc00563k] [Citation(s) in RCA: 155] [Impact Index Per Article: 11.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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