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Hovorková M, Červený J, Bumba L, Pelantová H, Cvačka J, Křen V, Renaudet O, Goyard D, Bojarová P. Advanced high-affinity glycoconjugate ligands of galectins. Bioorg Chem 2023; 131:106279. [PMID: 36446202 DOI: 10.1016/j.bioorg.2022.106279] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2022] [Revised: 11/04/2022] [Accepted: 11/12/2022] [Indexed: 11/20/2022]
Abstract
Galectins are proteins of the family of human lectins. By binding terminal galactose units of cell surface glycans, they moderate biological and pathological processes such as cell signaling, cell adhesion, apoptosis, fibrosis, carcinogenesis, and metabolic disorders. The binding of monovalent glycans to galectins is usually relatively weak. Therefore, the presentation of carbohydrate ligands on multivalent scaffolds can efficiently increase and/or discriminate the affinity of the glycoconjugate to different galectins. A library of glycoclusters and glycodendrimers with various structural presentations of the common functionalized N-acetyllactosamine ligand was prepared to evaluate how the mode of presentation affects the affinity and selectivity to the two most abundant galectins, galectin-1 (Gal-1) and galectin-3 (Gal-3). In addition, the effect of a one- to two-unit carbohydrate spacer on the affinity of the glycoconjugates was determined. A new design of the biolayer interferometry (BLI) method with specific AVI-tagged constructs was used to determine the affinity to galectins, and compared with the gold-standard method of isothermal titration calorimetry (ITC). This study reveals new routes to low nanomolar glycoconjugate inhibitors of galectins of interest for biomedical research.
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Affiliation(s)
- Michaela Hovorková
- Institute of Microbiology, Czech Academy of Sciences, Vídeňská 1083, CZ-14220 Prague 4, Czech Republic; Department of Genetics and Microbiology, Faculty of Science, Charles University, Viničná 5, CZ-12843 Prague 2, Czech Republic
| | - Jakub Červený
- Institute of Microbiology, Czech Academy of Sciences, Vídeňská 1083, CZ-14220 Prague 4, Czech Republic; Department of Analytical Chemistry, Faculty of Science, Charles University, Hlavova 8, CZ-12843 Prague 2, Czech Republic
| | - Ladislav Bumba
- Institute of Microbiology, Czech Academy of Sciences, Vídeňská 1083, CZ-14220 Prague 4, Czech Republic
| | - Helena Pelantová
- Institute of Microbiology, Czech Academy of Sciences, Vídeňská 1083, CZ-14220 Prague 4, Czech Republic
| | - Josef Cvačka
- Institute of Organic Chemistry and Biochemistry of the Czech Academy of Sciences, Flemingovo nám, 2, CZ-166 10 Prague 6, Czech Republic
| | - Vladimír Křen
- Institute of Microbiology, Czech Academy of Sciences, Vídeňská 1083, CZ-14220 Prague 4, Czech Republic
| | - Olivier Renaudet
- Department of Molecular Chemistry, University Grenoble-Alpes, 621, Avenue Centrale, F-38400 Saint Martin-d'Hères, France
| | - David Goyard
- Department of Molecular Chemistry, University Grenoble-Alpes, 621, Avenue Centrale, F-38400 Saint Martin-d'Hères, France.
| | - Pavla Bojarová
- Institute of Microbiology, Czech Academy of Sciences, Vídeňská 1083, CZ-14220 Prague 4, Czech Republic; Department of Health Care Disciplines and Population Protection, Faculty of Biomedical Engineering, Czech Technical University in Prague, nám. Sítná 3105, CZ-272 01 Kladno, Czech Republic.
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2
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Goyard D, Ortiz AMS, Boturyn D, Renaudet O. Multivalent glycocyclopeptides: conjugation methods and biological applications. Chem Soc Rev 2022; 51:8756-8783. [PMID: 36193815 PMCID: PMC9575389 DOI: 10.1039/d2cs00640e] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2022] [Indexed: 11/21/2022]
Abstract
Click chemistry was extensively used to decorate synthetic multivalent scaffolds with glycans to mimic the cell surface glycocalyx and to develop applications in glycosciences. Conjugation methods such as oxime ligation, copper(I)-catalyzed alkyne-azide cycloaddition, thiol-ene coupling, squaramide coupling or Lansbury aspartylation proved particularly suitable to achieve this purpose. This review summarizes the synthetic strategies that can be used either in a stepwise manner or in an orthogonal one-pot approach, to conjugate multiple copies of identical or different glycans to cyclopeptide scaffolds (namely multivalent glycocyclopeptides) having different size, valency, geometry and molecular composition. The second part of this review will describe the potential of these structures to interact with various carbohydrate binding proteins or to stimulate immunity against tumor cells.
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Affiliation(s)
- David Goyard
- Univ. Grenoble Alpes, CNRS, DCM UMR 5250, F-38000 Grenoble, France.
| | | | - Didier Boturyn
- Univ. Grenoble Alpes, CNRS, DCM UMR 5250, F-38000 Grenoble, France.
| | - Olivier Renaudet
- Univ. Grenoble Alpes, CNRS, DCM UMR 5250, F-38000 Grenoble, France.
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3
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Picault L, Laigre E, Gillon E, Tiertant C, Renaudet O, Imberty A, Goyard D, Dejeu J. Characterization of the interaction of multivalent glycosylated ligands with bacterial lectins by BioLayer interferometry. Glycobiology 2022; 32:886-896. [DOI: 10.1093/glycob/cwac047] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2022] [Revised: 07/06/2022] [Accepted: 07/10/2022] [Indexed: 11/13/2022] Open
Abstract
Abstract
The study of multivalent carbohydrate–protein interactions remains highly complicated and sometimes rendered impossible due to aggregation problems. Bio-Layer Interferometry (BLI) is emerging as a tool to monitor such complex interactions. In this study, various glycoclusters and dendrimers were prepared and evaluated as ligands for lectins produced by pathogenic bacteria Pseudomonas aeruginosa (LecA and Lec B) and Burkholderia ambifaria (BambL). Reliable kinetic and thermodynamic parameters could be measured, and immobilization of either lectin or ligands resulted in high quality data. The methods gave results in full agreement with previous ITC experiments, and presented strong advantages since they require less quantity and purity for the biomolecules.
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Affiliation(s)
- L Picault
- Université Grenoble Alpes , CNRS, DCM, UMR 5250, 570 Rue de la Chimie, 38000 Grenoble , France
| | - E Laigre
- Université Grenoble Alpes , CNRS, DCM, UMR 5250, 570 Rue de la Chimie, 38000 Grenoble , France
| | - E Gillon
- Université Grenoble Alpes , CNRS, CERMAV, UPR5301, 601 Rue de la Chimie, 38000 Grenoble , France
| | - C Tiertant
- Université Grenoble Alpes , CNRS, DCM, UMR 5250, 570 Rue de la Chimie, 38000 Grenoble , France
| | - O Renaudet
- Université Grenoble Alpes , CNRS, DCM, UMR 5250, 570 Rue de la Chimie, 38000 Grenoble , France
| | - A Imberty
- Université Grenoble Alpes , CNRS, CERMAV, UPR5301, 601 Rue de la Chimie, 38000 Grenoble , France
| | - D Goyard
- Université Grenoble Alpes , CNRS, DCM, UMR 5250, 570 Rue de la Chimie, 38000 Grenoble , France
| | - J Dejeu
- Université Grenoble Alpes , CNRS, DCM, UMR 5250, 570 Rue de la Chimie, 38000 Grenoble , France
- FEMTO-ST Institute , CNRS UMR-6174, Université de Bourgogne Franche-Comté, F-25000 Besançon , France
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4
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Todaro B, Achilli S, Liet B, Laigre E, Tiertant C, Goyard D, Berthet N, Renaudet O. Structural influence of antibody recruiting glycodendrimers (ARGs) on antitumoral cytotoxicity. Biomater Sci 2021; 9:4076-4085. [PMID: 33913968 DOI: 10.1039/d1bm00485a] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
The recruitment of endogenous antibodies against cancer cells has become a reliable antitumoral immunotherapeutic alternative over the last decade. The covalent attachment of antibody and tumor binding modules (ABM and TBM) within a single, well-defined synthetic molecule was indeed demonstrated to promote the formation of an interacting ternary complex between both the antibodies and the targeted cell, which usually results in the simultaneous immune-mediated cellular destruction. In a preliminary study, we have described the first Antibody Recruiting Glycodendrimers (ARGs), combining cRGD as ligands for the αVβ3-expressing melanoma cell line M21 and Rha as ligand for natural IgM, and demonstrated that multivalency is an essential requirement to form this complex. In the present study, we synthesized a new series of ARGs composed of ABMs, i.e. self-condensed rhamnosylated cyclopeptide and polylysine dendrimer, which have been conjugated to the TBM with or without spacer. Flow cytometry and confocal microscopy experiments with human serum and different cell lines revealed that the ABM geometry significantly influences the ternary complex formation in M21, whereas no significant binding occurs in BT 549 having low integrin expression. In addition, we demonstrate with a cellular viability assay that ARGs induce high level of cytotoxicity against M21 which is also in close correlation with the ABM structure. In particular, we have shown that ARG combining cyclopeptide core and branches, with or without spacer, induce 40-57% of selective cytotoxicity against M21 cells in the presence of human serum as the unique source of immunity effectors. Finally, we also highlight that the spacer between ABM and TBM enables an increase of the immune-mediate cytotoxicity even with ABM of lower valency.
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Affiliation(s)
- Biagio Todaro
- Univ. Grenoble Alpes, CNRS, DCM UMR 5250, F-38000 Grenoble, France.
| | - Silvia Achilli
- Univ. Grenoble Alpes, CNRS, DCM UMR 5250, F-38000 Grenoble, France.
| | - Benjamin Liet
- Univ. Grenoble Alpes, CNRS, DCM UMR 5250, F-38000 Grenoble, France.
| | - Eugénie Laigre
- Univ. Grenoble Alpes, CNRS, DCM UMR 5250, F-38000 Grenoble, France.
| | - Claire Tiertant
- Univ. Grenoble Alpes, CNRS, DCM UMR 5250, F-38000 Grenoble, France.
| | - David Goyard
- Univ. Grenoble Alpes, CNRS, DCM UMR 5250, F-38000 Grenoble, France.
| | - Nathalie Berthet
- Univ. Grenoble Alpes, CNRS, DCM UMR 5250, F-38000 Grenoble, France.
| | - Olivier Renaudet
- Univ. Grenoble Alpes, CNRS, DCM UMR 5250, F-38000 Grenoble, France.
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5
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Martin H, Goyard D, Margalit A, Doherty K, Renaudet O, Kavanagh K, Velasco-Torrijos T. Multivalent Presentations of Glycomimetic Inhibitor of the Adhesion of Fungal Pathogen Candida albicans to Human Buccal Epithelial Cells. Bioconjug Chem 2021; 32:971-982. [PMID: 33887134 PMCID: PMC8154258 DOI: 10.1021/acs.bioconjchem.1c00115] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2021] [Revised: 04/08/2021] [Indexed: 12/14/2022]
Abstract
Candida albicans causes some of the most prevalent hospital-acquired fungal infections, particularly threatening for immunocompromised patients. C. albicans strongly adheres to the surface of epithelial cells so that subsequent colonization and biofilm formation can take place. Divalent galactoside glycomimetic 1 was found to be a potent inhibitor of the adhesion of C. albicans to buccal epithelial cells. In this work, we explore the effect of multivalent presentations of glycomimetic 1 on its ability to inhibit yeast adhesion and biofilm formation. Tetra-, hexa-, and hexadecavalent displays of compound 1 were built on RAFT cyclopeptide- and polylysine-based scaffolds with a highly efficient and modular synthesis. Biological evaluation revealed that the scaffold choice significantly influences the activity of the lower valency conjugates, with compound 16, constructed on a tetravalent polylysine scaffold, found to inhibit the adhesion of C. albicans to human buccal epithelial cells more effectively than the glycomimetic 1; however, the latter performed better in the biofilm reduction assays. Interestingly, the higher valency glycoconjugates did not outperform the anti-adhesion activity of the original compound 1, and no significant effect of the core scaffold could be appreciated. SEM images of C. albicans cells treated with compounds 1, 14, and 16 revealed significant differences in the aggregation patterns of the yeast cells.
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Affiliation(s)
- Harlei Martin
- Department
of Chemistry, Maynooth University, Maynooth, W23VP22, Co. Kildare, Ireland
| | - David Goyard
- DCM,
UMR 5250, Université Grenoble Alpes,
CNRS, 38000 Grenoble, France
| | - Anatte Margalit
- Department
of Biology, Maynooth University, Maynooth, W23VP22, Co. Kildare, Ireland
| | - Kyle Doherty
- Department
of Chemistry, Maynooth University, Maynooth, W23VP22, Co. Kildare, Ireland
| | - Olivier Renaudet
- DCM,
UMR 5250, Université Grenoble Alpes,
CNRS, 38000 Grenoble, France
| | - Kevin Kavanagh
- Department
of Biology, Maynooth University, Maynooth, W23VP22, Co. Kildare, Ireland
- The
Kathleen Lonsdale Institute for Human Health Research, Maynooth University, Maynooth, W23VP22, Co.
Kildare, Ireland
| | - Trinidad Velasco-Torrijos
- Department
of Chemistry, Maynooth University, Maynooth, W23VP22, Co. Kildare, Ireland
- The
Kathleen Lonsdale Institute for Human Health Research, Maynooth University, Maynooth, W23VP22, Co.
Kildare, Ireland
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6
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Vierra C, Eggers DK, LaBranche CC, McReynolds KD. An Efficient Microwave-Mediated Synthesis of Hexavalent Sialic Acid Sulfoglycodendrimers as Potential Anti-HIV Agents. ACS APPLIED POLYMER MATERIALS 2020; 2:4345-4351. [PMID: 33681810 PMCID: PMC7929521 DOI: 10.1021/acsapm.0c00538] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
A series of four sialic acid-containing hexavalent sulfoglycodendrimers (SGDs) were synthesized in excellent yields using an efficient strategy involving multiple microwave-mediated reactions. Four sugars, sialic acid, and the dimer through tetramer of α-2→8-linked oligosialic acid were added to an aminooxy-terminated hexavalent dendrimer core using a chemoselective oxime-forming reaction. This method resulted in substantial improvements in reaction time and product yields over previous methods. These multivalent glycopolymers were designed as potential topical agents for preventing the sexual transmission of HIV-1. While inactive against HIV-1, the SGDs were also not cytotoxic, opening a pathway for the further development of anti-HIV SGDs.
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Affiliation(s)
- Cory Vierra
- Department of Chemistry, California State University, Sacramento, 6000 J Street, Sacramento, CA 95819-6057
| | - Daryl K. Eggers
- Department of Chemistry, San José State University, One Washington Square, San José, CA 95192-0101
| | | | - Katherine D. McReynolds
- Department of Chemistry, California State University, Sacramento, 6000 J Street, Sacramento, CA 95819-6057
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7
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Porkolab V, Pifferi C, Sutkeviciute I, Ordanini S, Taouai M, Thépaut M, Vivès C, Benazza M, Bernardi A, Renaudet O, Fieschi F. Development of C-type lectin-oriented surfaces for high avidity glycoconjugates: towards mimicking multivalent interactions on the cell surface. Org Biomol Chem 2020; 18:4763-4772. [DOI: 10.1039/d0ob00781a] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Here we described C-type lectin-oriented surfaces for SPR analysis. They allow the preservation of receptor topology, accessibility of binding sites, better evaluation of high avidity compounds and assessment of multivalent effect at cell surface.
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8
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Liet B, Laigre E, Goyard D, Todaro B, Tiertant C, Boturyn D, Berthet N, Renaudet O. Multifunctional Glycoconjugates for Recruiting Natural Antibodies against Cancer Cells. Chemistry 2019; 25:15508-15515. [PMID: 31613028 PMCID: PMC6916168 DOI: 10.1002/chem.201903327] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2019] [Revised: 09/05/2019] [Indexed: 01/04/2023]
Abstract
We have developed a fully synthetic and multifunctional antibody-recruiting molecule (ARM) to guide natural antibodies already present in the blood stream against cancer cells without pre-immunization. Our ARM is composed of antibody and tumor binding modules (i.e., ABM and TBM) displaying clustered rhamnose and cyclo-RGD, respectively. By using a stepwise approach, we have first demonstrated the importance of multivalency for efficient recognition with naturel IgM and αv β3 integrin expressing M21 tumor cell line. Once covalently conjugated by click chemistry, we confirmed by flow cytometry and confocal microscopy that the recognition properties of both the ABM and TBM are conserved, and more importantly, that the resulting ARM promotes the formation of a ternary complex between natural IgM and cancer cells, which is required for the stimulation of the cytotoxic immune response in vivo. Due to the efficiency of the synthetic process, a larger diversity of heterovalent ligands could be easily explored by using the same multivalent approach and could open new perspectives in this field.
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Affiliation(s)
- Benjamin Liet
- DCM, UMR 5250Université Grenoble Alpes, CNRS38000GrenobleFrance
| | - Eugénie Laigre
- DCM, UMR 5250Université Grenoble Alpes, CNRS38000GrenobleFrance
| | - David Goyard
- DCM, UMR 5250Université Grenoble Alpes, CNRS38000GrenobleFrance
| | - Biagio Todaro
- DCM, UMR 5250Université Grenoble Alpes, CNRS38000GrenobleFrance
| | - Claire Tiertant
- DCM, UMR 5250Université Grenoble Alpes, CNRS38000GrenobleFrance
| | - Didier Boturyn
- DCM, UMR 5250Université Grenoble Alpes, CNRS38000GrenobleFrance
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9
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Goyard D, Thomas B, Gillon E, Imberty A, Renaudet O. Heteroglycoclusters With Dual Nanomolar Affinities for the Lectins LecA and LecB From Pseudomonas aeruginosa. Front Chem 2019; 7:666. [PMID: 31632954 PMCID: PMC6783499 DOI: 10.3389/fchem.2019.00666] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2019] [Accepted: 09/18/2019] [Indexed: 12/25/2022] Open
Abstract
Multivalent structures displaying different instead of similar sugar units, namely heteroglycoclusters (hGCs), are stimulating the efforts of glycochemists for developing compounds with new biological properties. Here we report a four-step strategy to synthesize hexadecavalent hGCs displaying eight copies of αFuc and βGal. These compounds were tested for the binding to lectins LecA and LecB from Pseudomonas aeruginosa. While parent fucosylated (19) and galactosylated (20) homoclusters present nanomolar affinity with LecB and LecA, respectively, we observed that hGCs combining these sugars (11 and 13) maintain their binding potency with both lectins despite the presence of an unspecific sugar. The added multivalency is therefore not a barrier for efficient recognition by bacterial receptors and it opens the route for adding different sugars that can be selected for their immunomodulatory properties.
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Affiliation(s)
- David Goyard
- Univ. Grenoble Alpes, CNRS, DCM UMR 5250, Grenoble, France
| | | | - Emilie Gillon
- Univ. Grenoble Alpes, CNRS, CERMAV, Grenoble, France
| | - Anne Imberty
- Univ. Grenoble Alpes, CNRS, CERMAV, Grenoble, France
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10
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Laigre E, Goyard D, Tiertant C, Dejeu J, Renaudet O. The study of multivalent carbohydrate-protein interactions by bio-layer interferometry. Org Biomol Chem 2018; 16:8899-8903. [PMID: 30264842 PMCID: PMC6289105 DOI: 10.1039/c8ob01664j] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2018] [Accepted: 08/17/2018] [Indexed: 12/18/2022]
Abstract
The study of complex multivalent carbohydrate-protein interactions remains highly complicated and sometimes rendered impossible due to aggregation problems. In this study, we demonstrate that bio-layer interferometry is an excellent complementary method to standard techniques such as SPR and ITC. Using tetra- and hexadecavalent GalNAc glycoconjugates and Helix pomatia agglutinin (HPA) as a model lectin, we were able to measure reliable kinetic and thermodynamic parameters of multivalent interactions going from the micro to the nanomolar range.
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Affiliation(s)
- Eugénie Laigre
- Univ. Grenoble Alpes
, CNRS
, DCM UMR 5250
,
F-38000 Grenoble
, France
.
;
| | - David Goyard
- Univ. Grenoble Alpes
, CNRS
, DCM UMR 5250
,
F-38000 Grenoble
, France
.
;
| | - Claire Tiertant
- Univ. Grenoble Alpes
, CNRS
, DCM UMR 5250
,
F-38000 Grenoble
, France
.
;
| | - Jérôme Dejeu
- Univ. Grenoble Alpes
, CNRS
, DCM UMR 5250
,
F-38000 Grenoble
, France
.
;
| | - Olivier Renaudet
- Univ. Grenoble Alpes
, CNRS
, DCM UMR 5250
,
F-38000 Grenoble
, France
.
;
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11
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Richard M, Ariztia J, Lamandé-Langle S, Pellegrini Moïse N. Sugar γ-Amino Acids as Building Blocks for the Synthesis of Cyclic Neoglycopeptides. ChemistrySelect 2018. [DOI: 10.1002/slct.201802146] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
| | - Julen Ariztia
- Université de Lorraine, CNRS, L2CM; F-5400 Nancy France
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12
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Goyard D, Baldoneschi V, Varrot A, Fiore M, Imberty A, Richichi B, Renaudet O, Nativi C. Multivalent Glycomimetics with Affinity and Selectivity toward Fucose-Binding Receptors from Emerging Pathogens. Bioconjug Chem 2017; 29:83-88. [DOI: 10.1021/acs.bioconjchem.7b00616] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
| | - Veronica Baldoneschi
- Department
of Chemistry Ugo Schiff, University of Florence, via della Lastruccia, 13−50019 Sesto F.no (FI) Italy
| | | | - Michele Fiore
- ICBMS, University of Lyon, 43 Blvd. du 11 novembre 1918, 69622, Villeubanne Cedex, France
| | | | - Barbara Richichi
- Department
of Chemistry Ugo Schiff, University of Florence, via della Lastruccia, 13−50019 Sesto F.no (FI) Italy
| | | | - Cristina Nativi
- Department
of Chemistry Ugo Schiff, University of Florence, via della Lastruccia, 13−50019 Sesto F.no (FI) Italy
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13
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Pifferi C, Daskhan GC, Fiore M, Shiao TC, Roy R, Renaudet O. Aminooxylated Carbohydrates: Synthesis and Applications. Chem Rev 2017; 117:9839-9873. [PMID: 28682060 DOI: 10.1021/acs.chemrev.6b00733] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Among other classes of biomolecules, carbohydrates and glycoconjugates are widely involved in numerous biological functions. In addition to addressing the related synthetic challenges, glycochemists have invested intense efforts in providing access to structures that can be used to study, activate, or inhibit these biological processes. Over the past few decades, aminooxylated carbohydrates have been found to be key building blocks for achieving these goals. This review provides the first in-depth overview covering several aspects related to the syntheses and applications of aminooxylated carbohydrates. After a brief introduction to oxime bonds and their relative stabilities compared to related C═N functions, synthetic aspects of oxime ligation and methodologies for introducing the aminooxy functionality onto both glycofuranosyls and glycopyranosyls are described. The subsequent section focuses on biological applications involving aminooxylated carbohydrates as components for the construcion of diverse architectures. Mimetics of natural structures represent useful tools for better understanding the features that drive carbohydrate-receptor interaction, their biological output and they also represent interesting structures with improved stability and tunable properties. In the next section, multivalent structures such as glycoclusters and glycodendrimers obtained through oxime ligation are described in terms of synthetic design and their biological applications such as immunomodulators. The second-to-last section discusses miscellaneous applications of oxime-based glycoconjugates, such as enantioselective catalysis and glycosylated oligonucleotides, and conclusions and perspectives are provided in the last section.
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Affiliation(s)
- Carlo Pifferi
- Université Grenoble Alpes, CNRS, DCM UMR 5250 , F-38000 Grenoble, France
| | - Gour Chand Daskhan
- Université Grenoble Alpes, CNRS, DCM UMR 5250 , F-38000 Grenoble, France
| | - Michele Fiore
- Université Grenoble Alpes, CNRS, DCM UMR 5250 , F-38000 Grenoble, France
| | - Tze Chieh Shiao
- Pharmaqam, Department of Chemistry, Université du Québec à Montreal , P.O. Box 8888, Succursale Centre-ville, Montréal, Québec H3C 3P8, Canada
| | - René Roy
- Pharmaqam, Department of Chemistry, Université du Québec à Montreal , P.O. Box 8888, Succursale Centre-ville, Montréal, Québec H3C 3P8, Canada
| | - Olivier Renaudet
- Université Grenoble Alpes, CNRS, DCM UMR 5250 , F-38000 Grenoble, France.,Institut Universitaire de France , 103 Boulevard Saint-Michel, 75005 Paris, France
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14
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Fallarini S, Brittoli A, Fiore M, Lombardi G, Renaudet O, Richichi B, Nativi C. Immunological characterization of a rigid α-Tn mimetic on murine iNKT and human NK cells. Glycoconj J 2017; 34:553-562. [DOI: 10.1007/s10719-017-9775-6] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2017] [Revised: 05/11/2017] [Accepted: 05/15/2017] [Indexed: 12/21/2022]
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15
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Harvey DJ. Analysis of carbohydrates and glycoconjugates by matrix-assisted laser desorption/ionization mass spectrometry: An update for 2011-2012. MASS SPECTROMETRY REVIEWS 2017; 36:255-422. [PMID: 26270629 DOI: 10.1002/mas.21471] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/19/2014] [Accepted: 01/15/2015] [Indexed: 06/04/2023]
Abstract
This review is the seventh update of the original article published in 1999 on the application of MALDI mass spectrometry to the analysis of carbohydrates and glycoconjugates and brings coverage of the literature to the end of 2012. General aspects such as theory of the MALDI process, matrices, derivatization, MALDI imaging, and fragmentation are covered in the first part of the review and applications to various structural types constitute the remainder. The main groups of compound are oligo- and poly-saccharides, glycoproteins, glycolipids, glycosides, and biopharmaceuticals. Much of this material is presented in tabular form. Also discussed are medical and industrial applications of the technique, studies of enzyme reactions, and applications to chemical synthesis. © 2015 Wiley Periodicals, Inc. Mass Spec Rev 36:255-422, 2017.
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Affiliation(s)
- David J Harvey
- Department of Biochemistry, Oxford Glycobiology Institute, University of Oxford, Oxford, OX1 3QU, UK
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16
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Hoang A, Laigre E, Goyard D, Defrancq E, Vinet F, Dumy P, Renaudet O. An oxime-based glycocluster microarray. Org Biomol Chem 2017; 15:5135-5139. [DOI: 10.1039/c7ob00889a] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Carbohydrate microarrays represent powerful tools to study and detect carbohydrate-binding proteins, pathogens or cells.
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Affiliation(s)
| | - Eugénie Laigre
- Univ. Grenoble Alpes
- CNRS
- DCM UMR 5250
- F-38000 Grenoble
- France
| | - David Goyard
- Univ. Grenoble Alpes
- CNRS
- DCM UMR 5250
- F-38000 Grenoble
- France
| | - Eric Defrancq
- Univ. Grenoble Alpes
- CNRS
- DCM UMR 5250
- F-38000 Grenoble
- France
| | | | - Pascal Dumy
- Ecole Nationale Supérieure de Chimie de Montpellier
- 34000 Montpellier
- France
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17
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Pifferi C, Goyard D, Gillon E, Imberty A, Renaudet O. Synthesis of Mannosylated Glycodendrimers and Evaluation against BC2L-A Lectin from Burkholderia Cenocepacia. Chempluschem 2016; 82:390-398. [PMID: 31962032 DOI: 10.1002/cplu.201600569] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2016] [Indexed: 01/29/2023]
Abstract
Chronic colonization of lungs by opportunist bacteria is the major cause of mortality for cystic fibrosis patients. Among these pathogens, Burkholderia cenocepacia is responsible for cepacia syndrome, a deadly exacerbation of infection that is the main cause of poor outcomes of lung transplantation. This bacterium contains three soluble carbohydrate-binding proteins, including the B. cenocepacia lectin A (BC2L-A), which is proposed to bind to oligomannose-type N-glycan structures to adhere to host tissues. In this work, several mannosylated glycoclusters and glycodendrimers with valencies ranging from four to 24 were prepared and their interactions with BC2L-A were thermodynamically characterized by isothermal titration calorimetry. The results show that a 24-valent structure binds to BC2L-A at nanomolar concentration, which makes this compound the highest affinity monodisperse ligand for this lectin.
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Affiliation(s)
- Carlo Pifferi
- Université Grenoble Alpes, CNRS, DCM UMR 5250, 38000, Grenoble, France
| | - David Goyard
- Université Grenoble Alpes, CNRS, DCM UMR 5250, 38000, Grenoble, France
| | - Emilie Gillon
- CERMAV, UPR5301, CNRS, and Université Grenoble Alpes, 601 rue de la Chimie, BP 53, 38041, Grenoble, France
| | - Anne Imberty
- CERMAV, UPR5301, CNRS, and Université Grenoble Alpes, 601 rue de la Chimie, BP 53, 38041, Grenoble, France
| | - Olivier Renaudet
- Université Grenoble Alpes, CNRS, DCM UMR 5250, 38000, Grenoble, France.,Institut Universitaire de France, 103 boulevard Saint-Michel, 75005, Paris, France
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18
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Abstract
The synthesis and chemical and physicochemical properties as well as biological and medical applications of various hydroxylamine-functionalized carbohydrate derivatives are summarized.
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Affiliation(s)
- N. Chen
- PPSM
- ENS Cachan
- CNRS
- Alembert Institute
- Université Paris-Saclay
| | - J. Xie
- PPSM
- ENS Cachan
- CNRS
- Alembert Institute
- Université Paris-Saclay
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19
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Delbianco M, Bharate P, Varela-Aramburu S, Seeberger PH. Carbohydrates in Supramolecular Chemistry. Chem Rev 2015; 116:1693-752. [PMID: 26702928 DOI: 10.1021/acs.chemrev.5b00516] [Citation(s) in RCA: 191] [Impact Index Per Article: 21.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
Carbohydrates are involved in a variety of biological processes. The ability of sugars to form a large number of hydrogen bonds has made them important components for supramolecular chemistry. We discuss recent advances in the use of carbohydrates in supramolecular chemistry and reveal that carbohydrates are useful building blocks for the stabilization of complex architectures. Systems are presented according to the scaffold that supports the glyco-conjugate: organic macrocycles, dendrimers, nanomaterials, and polymers are considered. Glyco-conjugates can form host-guest complexes, and can self-assemble by using carbohydrate-carbohydrate interactions and other weak interactions such as π-π interactions. Finally, complex supramolecular architectures based on carbohydrate-protein interactions are discussed.
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Affiliation(s)
- Martina Delbianco
- Department of Biomolecular Systems, Max-Planck-Institute of Colloids and Interfaces , Am Mühlenberg 1, 14476 Potsdam, Germany
| | - Priya Bharate
- 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
| | - Silvia Varela-Aramburu
- 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
| | - 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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20
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Thomas B, Pifferi C, Daskhan GC, Fiore M, Berthet N, Renaudet O. Divergent and convergent synthesis of GalNAc-conjugated dendrimers using dual orthogonal ligations. Org Biomol Chem 2015; 13:11529-38. [PMID: 26464062 DOI: 10.1039/c5ob01870f] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The synthesis of glycodendrimers remains a challenging task. In this paper we propose a protocol based on both oxime ligation (OL) to combine cyclopeptide repeating units as the dendritic core and the copper(i)-catalyzed azide-alkyne cycloaddition (CuAAC) to conjugate peripheral α and β propargylated GalNAc. By contrast with the oxime-based iterative protocol reported in our group, our current strategy can be used in both divergent and convergent routes with similar efficiency and the resulting hexadecavalent glycodendrimers can be easily characterized compared to oxime-linked analogues. A series of glycoconjugates displaying four or sixteen copies of both α and β GalNAc have been prepared and their ability to inhibit the adhesion of the soybean agglutinin (SBA) lectin to polymeric-GalNAc immobilized on microtiter plates has been evaluated. As was anticipated, the higher inhibitory effect (IC50 = 0.46 μM) was measured with the structure displaying αGalNAc with the higher valency (compound 13), which demonstrates that the binding properties of these glycoconjugates are strongly dependent on the orientation and distribution of the GalNAc units.
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21
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Daskhan GC, Berthet N, Thomas B, Fiore M, Renaudet O. Multivalent glycocyclopeptides: toward nano-sized glycostructures. Carbohydr Res 2015; 405:13-22. [DOI: 10.1016/j.carres.2014.07.017] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2014] [Revised: 07/18/2014] [Accepted: 07/21/2014] [Indexed: 10/25/2022]
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22
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van Dongen M, Dougherty CA, Banaszak Holl MM. Multivalent polymers for drug delivery and imaging: the challenges of conjugation. Biomacromolecules 2014; 15:3215-34. [PMID: 25120091 PMCID: PMC4157765 DOI: 10.1021/bm500921q] [Citation(s) in RCA: 47] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2014] [Revised: 08/06/2014] [Indexed: 12/11/2022]
Abstract
Multivalent polymers offer a powerful opportunity to develop theranostic materials on the size scale of proteins that can provide targeting, imaging, and therapeutic functionality. Achieving this goal requires the presence of multiple targeting molecules, dyes, and/or drugs on the polymer scaffold. This critical review examines the synthetic, analytical, and functional challenges associated with the heterogeneity introduced by conjugation reactions as well as polymer scaffold design. First, approaches to making multivalent polymer conjugations are discussed followed by an analysis of materials that have shown particular promise biologically. Challenges in characterizing the mixed ligand distributions and the impact of these distributions on biological applications are then discussed. Where possible, molecular-level interpretations are provided for the structures that give rise to the functional ligand and molecular weight distributions present in the polymer scaffolds. Lastly, recent strategies employed for overcoming or minimizing the presence of ligand distributions are discussed. This review focuses on multivalent polymer scaffolds where average stoichiometry and/or the distribution of products have been characterized by at least one experimental technique. Key illustrative examples are provided for scaffolds that have been carried forward to in vitro and in vivo testing with significant biological results.
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Affiliation(s)
- Mallory
A. van Dongen
- Chemistry Department, University of Michigan, Ann Arbor, Michigan 48103, United States
| | - Casey A. Dougherty
- Chemistry Department, University of Michigan, Ann Arbor, Michigan 48103, United States
| | - Mark M. Banaszak Holl
- Chemistry Department, University of Michigan, Ann Arbor, Michigan 48103, United States
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23
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Access to bifunctionalized biomolecular platforms using oxime ligation. Carbohydr Res 2014; 393:9-14. [DOI: 10.1016/j.carres.2014.04.020] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2014] [Revised: 04/28/2014] [Accepted: 04/29/2014] [Indexed: 12/12/2022]
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24
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Fiore M, Berthet N, Marra A, Gillon E, Dumy P, Dondoni A, Imberty A, Renaudet O. Tetravalent glycocyclopeptide with nanomolar affinity to wheat germ agglutinin. Org Biomol Chem 2014; 11:7113-22. [PMID: 24057055 DOI: 10.1039/c3ob41203b] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A series of tetravalent glycocyclopeptides functionalized with GlcNAc was synthesized using copper(i)-catalysed alkyne-azide cycloaddition, oxime ligation and thiol-ene coupling. The binding ability of these compounds towards wheat germ agglutinin was studied by a competitive ELLA test and ITC experiments. While all compounds were able to inhibit WGA binding to GlcNAc-polymer coated surfaces at low concentrations, derivative 17 having an aliphatic spacer and thioether linkage was 4.9 × 10(6) times more potent on a per sugar basis than GlcNAc. This remarkably strong effect was confirmed by ITC experiments as these revealed an association constant of 9 nM for this compound, therefore presenting a gain of 200,000 times over GlcNAc. These results for compound 17 represent the highest binding properties reported for WGA.
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Affiliation(s)
- Michele Fiore
- Département de Chimie Moléculaire, UMR-CNRS 5250 & ICMG FR 2607, Université Joseph Fourier, BP 53, 38041 Grenoble Cedex 9, France.
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25
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Ulrich S, Boturyn D, Marra A, Renaudet O, Dumy P. Oxime Ligation: A Chemoselective Click-Type Reaction for Accessing Multifunctional Biomolecular Constructs. Chemistry 2013; 20:34-41. [DOI: 10.1002/chem.201302426] [Citation(s) in RCA: 176] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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26
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Berthet N, Thomas B, Bossu I, Dufour E, Gillon E, Garcia J, Spinelli N, Imberty A, Dumy P, Renaudet O. High affinity glycodendrimers for the lectin LecB from Pseudomonas aeruginosa. Bioconjug Chem 2013; 24:1598-611. [PMID: 23888914 DOI: 10.1021/bc400239m] [Citation(s) in RCA: 47] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Following an iterative oxime ligation procedure, cyclopeptide (R) and lysine-based dendron (D) were combined in all possible arrangements and successively functionalized with α-fucose and β-fucose to provide a new series of hexadecavalent glycosylated scaffolds (i.e., scaffolds RD16, RR16, DR16, and DD16). These compounds and smaller analogs (tetra- and hexavalent scaffolds R4 and R6) were used to evaluate the influence of the ligand valency and architecture, and of the anomer configuration in the binding to the αFuc-specific lectin LecB from Pseudomonas aeruginosa . Competitive enzyme-linked lectin assays (ELLA) revealed that only the RD16 architecture displaying αFuc (9A) reaches strong binding improvement (IC50 of 0.6 nM) over αMeFuc, and increases the α-selectivity of LecB. Dissociation constant of 28 nM was measured by isothermal titration micorcalorimetry (ITC) for 9A, which represents the highest affinity ligand ever reported for LecB. ITC and molecular modeling suggested that the high affinity observed might be due to an aggregative chelate binding involving four sugar head groups and two lectins. Interestingly, unprecedented binding effects were observed with β-fucosylated conjugates, albeit being less active than the corresponding ligands of the αFuc series. In particular, the more flexible lysine-based dendritic structures (15B and 18B) showed a slight inhibitory enhancement in comparison with those having cyclopeptide core.
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Affiliation(s)
- Nathalie Berthet
- Département de Chimie Moléculaire, UMR-CNRS 5250 & ICMG FR 2607 , Université Joseph Fourier, BP 53, 38041 Grenoble Cedex 9, France
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27
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Applications of Glyconanoparticles as “Sweet” Glycobiological Therapeutics and Diagnostics. MULTIFACETED DEVELOPMENT AND APPLICATION OF BIOPOLYMERS FOR BIOLOGY, BIOMEDICINE AND NANOTECHNOLOGY 2013. [DOI: 10.1007/12_2012_208] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
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28
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Abstract
Combining nanotechnology with glycobiology has triggered an exponential growth of research activities in the design of novel functional bionanomaterials (glyconanotechnology). More specifically, recent synthetic advances towards the tailored and versatile design of glycosylated nanoparticles namely glyconanoparticles, considered as synthetic mimetics of natural glycoconjugates, paved the way toward diverse biomedical applications. The accessibility of a wide variety of these structured nanosystems, in terms of shapes, sizes, and organized around stable nanoparticles have readily contributed to their development and applications in nanomedicine. In this context, glycosylated gold-nanoparticles (GNPs), glycosylated quantum dots (QDs), fullerenes, single-wall natotubes (SWNTs), and self-assembled glycononanoparticles using amphiphilic glycopolymers or glycodendrimers have received considerable attention to afford powerful imaging, therapeutic, and biodiagnostic devices. This review will provide an overview of the most recent syntheses and applications of glycodendrimers in glycoscience that have permitted to deepen our understanding of multivalent carbohydrate-protein interactions. Together with synthetic breast cancer vaccines, inhibitors of bacterial adhesions to host tissues including sensitive detection devices, these novel bionanomaterials are finding extensive relevance.
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29
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Thomas B, Berthet N, Garcia J, Dumy P, Renaudet O. Expanding the scope of oxime ligation: facile synthesis of large cyclopeptide-based glycodendrimers. Chem Commun (Camb) 2013; 49:10796-8. [DOI: 10.1039/c3cc45368e] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
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30
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Abstract
Because of the importance of carbohydrate-protein interactions in biological processes, the development of glycoclusters and glycodendrimers capable of mimicking the multivalent display of carbohydrates at the cell surface has become a major field of research over the last decade. Among the large variety of scaffolds that are now available, peptides and cyclopeptides are widely used for the multivalent presentation of glycans. This review will provide an overview of the most recent advances in the preparation and utilization of linear glycopeptides and glycocyclopeptides in glycobiology.
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Affiliation(s)
- M Carmen Galan
- School of Chemistry, University of Bristol, Cantock's Close, Bristol BS8 1TS, UK
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31
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Lee DJ, Yang SH, Williams GM, Brimble MA. Synthesis of Multivalent Neoglyconjugates of MUC1 by the Conjugation of Carbohydrate-Centered, Triazole-Linked Glycoclusters to MUC1 Peptides Using Click Chemistry. J Org Chem 2012; 77:7564-71. [DOI: 10.1021/jo3013435] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Affiliation(s)
- Dong Jun Lee
- School of Chemical
Sciences, The University of Auckland, 23
Symonds Street, Auckland, New Zealand
| | - Sung-Hyun Yang
- School of Chemical
Sciences, The University of Auckland, 23
Symonds Street, Auckland, New Zealand
| | - Geoffrey M. Williams
- School of Chemical
Sciences, The University of Auckland, 23
Symonds Street, Auckland, New Zealand
| | - Margaret A. Brimble
- School of Chemical
Sciences, The University of Auckland, 23
Symonds Street, Auckland, New Zealand
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32
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Westerlind U. Synthetic glycopeptides and glycoproteins with applications in biological research. Beilstein J Org Chem 2012; 8:804-18. [PMID: 23015828 PMCID: PMC3388868 DOI: 10.3762/bjoc.8.90] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2012] [Accepted: 05/22/2012] [Indexed: 12/21/2022] Open
Abstract
Over the past few years, synthetic methods for the preparation of complex glycopeptides have been drastically improved. The need for homogenous glycopeptides and glycoproteins with defined chemical structures to study diverse biological phenomena further enhances the development of methodologies. Selected recent advances in synthesis and applications, in which glycopeptides or glycoproteins serve as tools for biological studies, are reviewed. The importance of specific antibodies directed to the glycan part, as well as the peptide backbone has been realized during the development of synthetic glycopeptide-based anti-tumor vaccines. The fine-tuning of native chemical ligation (NCL), expressed protein ligation (EPL), and chemoenzymatic glycosylation techniques have all together enabled the synthesis of functional glycoproteins. The synthesis of structurally defined, complex glycopeptides or glyco-clusters presented on natural peptide backbones, or mimics thereof, offer further possibilities to study protein-binding events.
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Affiliation(s)
- Ulrika Westerlind
- Gesellschaft zur Förderung der Analytischen Wissenschaften e.V., ISAS - Leibniz Institute for Analytical Sciences, Otto-Hahn-Str. 6b, D-44227 Dortmund, Germany, Tel: (+49)231-1392 4215
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33
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Thomas B, Fiore M, Bossu I, Dumy P, Renaudet O. Synthesis of heteroglycoclusters by using orthogonal chemoselective ligations. Beilstein J Org Chem 2012; 8:421-7. [PMID: 22509212 PMCID: PMC3326620 DOI: 10.3762/bjoc.8.47] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2012] [Accepted: 02/29/2012] [Indexed: 12/20/2022] Open
Abstract
Synthetic heteroglycoclusters are being subjected to increasing interest due to their potential to serve as selective ligands for carbohydrate-binding proteins. In this paper, we describe an expedient strategy to prepare cyclopeptides displaying well-defined distributions and combinations of carbohydrates. By using both oxime ligation and copper(I)-catalyzed alkyne–azide cycloaddition, two series of compounds bearing binary combinations of αMan, αFuc or βLac in an overall tetravalent presentation, and either 2:2 or 3:1 relative proportions, have been prepared.
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Affiliation(s)
- Baptiste Thomas
- Département de Chimie Moléculaire, UMR-CNRS 5250 & ICMG FR 2607, Université Joseph Fourier, PB 53, 38041 Grenoble Cedex 9, France
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34
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Lo Conte M, Staderini S, Chambery A, Berthet N, Dumy P, Renaudet O, Marra A, Dondoni A. Glycoside and peptide clustering around the octasilsesquioxane scaffold via photoinduced free-radical thiol–ene coupling. The observation of a striking glycoside cluster effect. Org Biomol Chem 2012; 10:3269-77. [DOI: 10.1039/c2ob07078b] [Citation(s) in RCA: 54] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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35
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Bossu I, Berthet N, Dumy P, Renaudet O. Synthesis of Glycocyclopeptides by Click Chemistry and Inhibition Assays with Lectins. J Carbohydr Chem 2011. [DOI: 10.1080/07328303.2011.590260] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Affiliation(s)
- Isabelle Bossu
- a Département de Chimie Moléculaire, UMR-CNRS 5250 & ICMG FR 2607 , Université Joseph Fourier , 570 rue de la chimie, BP 53, 38041 , Grenoble Cedex 9 , France
| | - Nathalie Berthet
- a Département de Chimie Moléculaire, UMR-CNRS 5250 & ICMG FR 2607 , Université Joseph Fourier , 570 rue de la chimie, BP 53, 38041 , Grenoble Cedex 9 , France
| | - Pascal Dumy
- a Département de Chimie Moléculaire, UMR-CNRS 5250 & ICMG FR 2607 , Université Joseph Fourier , 570 rue de la chimie, BP 53, 38041 , Grenoble Cedex 9 , France
| | - Olivier Renaudet
- a Département de Chimie Moléculaire, UMR-CNRS 5250 & ICMG FR 2607 , Université Joseph Fourier , 570 rue de la chimie, BP 53, 38041 , Grenoble Cedex 9 , France
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