1
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Scalabrini M, Loquet D, Rochard C, Baudin Marie M, Assailly C, Brissonnet Y, Daligault F, Saumonneau A, Lambert A, Grandjean C, Deniaud D, Lottin P, Pascual S, Fontaine L, Balloy V, Gouin SG. Multivalent inhibition of the Aspergillus fumigatus KDNase. Org Biomol Chem 2024; 22:5783-5789. [PMID: 38938184 DOI: 10.1039/d4ob00601a] [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: 06/29/2024]
Abstract
Aspergillus fumigatus is a saprophytic fungus and opportunistic pathogen often causing fatal infections in immunocompromised patients. Recently AfKDNAse, an exoglycosidase hydrolyzing 3-deoxy-D-galacto-D-glycero-nonulosonic acid (KDN), a rare sugar from the sialic acid family, was identified and characterized. The principal function of AfKDNAse is still unclear, but a study suggests a critical role in fungal cell wall morphology and virulence. Potent AfKDNAse inhibitors are required to better probe the enzyme's biological role and as potential antivirulence factors. In this work, we developed a set of AfKDNAse inhibitors based on enzymatically stable thio-KDN motifs. C2, C9-linked heterodi-KDN were designed to fit into unusually close KDN sugar binding pockets in the protein. A polymeric compound with an average of 54 KDN motifs was also designed by click chemistry. Inhibitory assays performed on recombinant AfKDNAse showed a moderate and strong enzymatic inhibition for the two classes of compounds, respectively. The poly-KDN showed more than a nine hundred fold improved inhibitory activity (IC50 = 1.52 ± 0.37 μM, 17-fold in a KDN molar basis) compared to a monovalent KDN reference, and is to our knowledge, the best synthetic inhibitor described for a KDNase. Multivalency appears to be a relevant strategy for the design of potent KDNase inhibitors. Importantly, poly-KDN was shown to strongly decrease filamentation when co-cultured with A. fumigatus at micromolar concentrations, opening interesting perspectives in the development of antivirulence factors.
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Affiliation(s)
| | - Denis Loquet
- Nantes Université, CNRS, CEISAM, UMR 6230, F-44000 Nantes, France.
| | - Camille Rochard
- Sorbonne Université, Inserm, Centre de Recherche Saint-Antoine, CRSA, Paris, France
| | | | - Coralie Assailly
- Nantes Université, CNRS, CEISAM, UMR 6230, F-44000 Nantes, France.
| | - Yoan Brissonnet
- Nantes Université, CNRS, CEISAM, UMR 6230, F-44000 Nantes, France.
| | - Franck Daligault
- Nantes Université, CNRS, US2B, UMR 6286, F-44000 Nantes, France 2 rue de la Houssinière, BP 92208, 44322 Nantes Cedex 3, France
| | - Amélie Saumonneau
- Nantes Université, CNRS, US2B, UMR 6286, F-44000 Nantes, France 2 rue de la Houssinière, BP 92208, 44322 Nantes Cedex 3, France
| | - Annie Lambert
- Nantes Université, CNRS, US2B, UMR 6286, F-44000 Nantes, France 2 rue de la Houssinière, BP 92208, 44322 Nantes Cedex 3, France
| | - Cyrille Grandjean
- Nantes Université, CNRS, US2B, UMR 6286, F-44000 Nantes, France 2 rue de la Houssinière, BP 92208, 44322 Nantes Cedex 3, France
| | - David Deniaud
- Nantes Université, CNRS, CEISAM, UMR 6230, F-44000 Nantes, France.
| | - Paul Lottin
- Institut des Molécules et Matériaux du Mans (IMMM), UMR 6283 CNRS, Le Mans Université, Av. O. Messiaen, 72085 Le Mans cedex 9, France
| | - Sagrario Pascual
- Institut des Molécules et Matériaux du Mans (IMMM), UMR 6283 CNRS, Le Mans Université, Av. O. Messiaen, 72085 Le Mans cedex 9, France
| | - Laurent Fontaine
- Institut des Molécules et Matériaux du Mans (IMMM), UMR 6283 CNRS, Le Mans Université, Av. O. Messiaen, 72085 Le Mans cedex 9, France
| | - Viviane Balloy
- Sorbonne Université, Inserm, Centre de Recherche Saint-Antoine, CRSA, Paris, France
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2
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Liang Y, Schettini R, Kern N, Manciocchi L, Izzo I, Spichty M, Bodlenner A, Compain P. Deconstructing Best-in-Class Neoglycoclusters as a Tool for Dissecting Key Multivalent Processes in Glycosidase Inhibition. Chemistry 2024; 30:e202304126. [PMID: 38221894 DOI: 10.1002/chem.202304126] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2023] [Revised: 01/11/2024] [Accepted: 01/12/2024] [Indexed: 01/16/2024]
Abstract
Multivalency represents an appealing option to modulate selectivity in enzyme inhibition and transform moderate glycosidase inhibitors into highly potent ones. The rational design of multivalent inhibitors is however challenging because global affinity enhancement relies on several interconnected local mechanistic events, whose relative impact is unknown. So far, the largest multivalent effects ever reported for a non-polymeric glycosidase inhibitor have been obtained with cyclopeptoid-based inhibitors of Jack bean α-mannosidase (JBα-man). Here, we report a structure-activity relationship (SAR) study based on the top-down deconstruction of best-in-class multivalent inhibitors. This approach provides a valuable tool to understand the complex interdependent mechanisms underpinning the inhibitory multivalent effect. Combining SAR experiments, binding stoichiometry assessments, thermodynamic modelling and atomistic simulations allowed us to establish the significant contribution of statistical rebinding mechanisms and the importance of several key parameters, including inhitope accessibility, topological restrictions, and electrostatic interactions. Our findings indicate that strong chelate-binding, resulting from the formation of a cross-linked complex between a multivalent inhibitor and two dimeric JBα-man molecules, is not a sufficient condition to reach high levels of affinity enhancements. The deconstruction approach thus offers unique opportunities to better understand multivalent binding and provides important guidelines for the design of potent and selective multiheaded inhibitors.
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Affiliation(s)
- Yan Liang
- Laboratoire d'Innovation Moléculaire et Applications (LIMA), University of Strasbourg|University of Haute-Alsace|CNRS (UMR 7042), Equipe de Synthèse Organique et Molécules Bioactives (SYBIO), ECPM, 25 Rue Becquerel, 67087, Strasbourg, France)
| | - Rosaria Schettini
- Dipartimento di Chimica e Biologia "A. Zambelli", Università degli Studi di, Salerno, 84084, Fisciano (Salerno), Italy
| | - Nicolas Kern
- Laboratoire d'Innovation Moléculaire et Applications (LIMA), University of Strasbourg|University of Haute-Alsace|CNRS (UMR 7042), Equipe de Synthèse Organique et Molécules Bioactives (SYBIO), ECPM, 25 Rue Becquerel, 67087, Strasbourg, France)
| | - Luca Manciocchi
- Laboratoire d'Innovation Moléculaire et Applications (LIMA), University of Strasbourg|University of Haute-Alsace|CNRS (UMR 7042)-IRJBD, 3 bis rue Alfred Werner, 68057, Mulhouse Cedex, France
| | - Irene Izzo
- Dipartimento di Chimica e Biologia "A. Zambelli", Università degli Studi di, Salerno, 84084, Fisciano (Salerno), Italy
| | - Martin Spichty
- Laboratoire d'Innovation Moléculaire et Applications (LIMA), University of Strasbourg|University of Haute-Alsace|CNRS (UMR 7042)-IRJBD, 3 bis rue Alfred Werner, 68057, Mulhouse Cedex, France
| | - Anne Bodlenner
- Laboratoire d'Innovation Moléculaire et Applications (LIMA), University of Strasbourg|University of Haute-Alsace|CNRS (UMR 7042), Equipe de Synthèse Organique et Molécules Bioactives (SYBIO), ECPM, 25 Rue Becquerel, 67087, Strasbourg, France)
| | - Philippe Compain
- Laboratoire d'Innovation Moléculaire et Applications (LIMA), University of Strasbourg|University of Haute-Alsace|CNRS (UMR 7042), Equipe de Synthèse Organique et Molécules Bioactives (SYBIO), ECPM, 25 Rue Becquerel, 67087, Strasbourg, France)
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3
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Herrera-González I, González-Cuesta M, Thépaut M, Laigre E, Goyard D, Rojo J, García Fernández JM, Fieschi F, Renaudet O, Nieto PM, Ortiz Mellet C. High-Mannose Oligosaccharide Hemimimetics that Recapitulate the Conformation and Binding Mode to Concanavalin A, DC-SIGN and Langerin. Chemistry 2024; 30:e202303041. [PMID: 37828571 DOI: 10.1002/chem.202303041] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2023] [Revised: 10/12/2023] [Accepted: 10/12/2023] [Indexed: 10/14/2023]
Abstract
The "carbohydrate chemical mimicry" exhibited by sp2 -iminosugars has been utilized to develop practical syntheses for analogs of the branched high-mannose-type oligosaccharides (HMOs) Man3 and Man5 . In these compounds, the terminal nonreducing Man residues have been substituted with 5,6-oxomethylidenemannonojirimycin (OMJ) motifs. The resulting oligomannoside hemimimetic accurately reproduce the structure, configuration, and conformational behavior of the original mannooligosaccharides, as confirmed by NMR and computational techniques. Binding studies with mannose binding lectins, including concanavalin A, DC-SIGN, and langerin, by enzyme-linked lectin assay and surface plasmon resonance revealed significant variations in their ability to accommodate the OMJ unit in the mannose binding site. Intriguingly, OMJMan segments demonstrated "in line" heteromultivalent effects during binding to the three lectins. Similar to the mannobiose (Man2 ) branches in HMOs, the binding modes involving the external or internal monosaccharide unit at the carbohydrate binding-domain exist in equilibrium, facilitating sliding and recapture processes. This equilibrium, which influences the multivalent binding of HMOs, can be finely modulated upon incorporation of the OMJ sp2 -iminosugar caps. As a proof of concept, the affinity and selectivity towards DC-SIGN and langerin were adjustable by presenting the OMJMan epitope in platforms with diverse architectures and valencies.
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Affiliation(s)
- Irene Herrera-González
- Department of Organic Chemistry, Faculty of Chemistry, University of Seville, C/ Profesor García González 1, 41012, Sevilla, Spain
- Present address: DCM, UMR 5250, Université Grenoble Alpes, CNRS, 570 Rue de la Chimie, 38000, Grenoble, France
| | - Manuel González-Cuesta
- Department of Organic Chemistry, Faculty of Chemistry, University of Seville, C/ Profesor García González 1, 41012, Sevilla, Spain
| | - Michel Thépaut
- Institut de Biologie Structurale, Université Grenoble Alpes, CNRS, CEA, 38000, Grenoble, France
| | - Eugénie Laigre
- Institut de Biologie Structurale, Université Grenoble Alpes, CNRS, CEA, 38000, Grenoble, France
- DCM, UMR 5250, Université Grenoble Alpes, CNRS, 570 Rue de la Chimie, 38000, Grenoble, France
| | - David Goyard
- DCM, UMR 5250, Université Grenoble Alpes, CNRS, 570 Rue de la Chimie, 38000, Grenoble, France
| | - Javier Rojo
- Instituto de Investigaciones Químicas (IIQ), CSIC - Universidad de Sevilla, Américo Vespucio 49, 41092, Sevilla, Spain
| | - José M García Fernández
- Instituto de Investigaciones Químicas (IIQ), CSIC - Universidad de Sevilla, Américo Vespucio 49, 41092, Sevilla, Spain
| | - Franck Fieschi
- Institut de Biologie Structurale, Université Grenoble Alpes, CNRS, CEA, 38000, Grenoble, France
- Institut Universitaire de France (IUF), Paris, France
| | - Olivier Renaudet
- DCM, UMR 5250, Université Grenoble Alpes, CNRS, 570 Rue de la Chimie, 38000, Grenoble, France
| | - Pedro M Nieto
- Instituto de Investigaciones Químicas (IIQ), CSIC - Universidad de Sevilla, Américo Vespucio 49, 41092, Sevilla, Spain
| | - Carmen Ortiz Mellet
- Department of Organic Chemistry, Faculty of Chemistry, University of Seville, C/ Profesor García González 1, 41012, Sevilla, Spain
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4
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Lu L, Chen J, Tao W, Wang Z, Liu D, Zhou J, Wu X, Sun H, Li W, Tanabe G, Muraoka O, Zhao B, Wu L, Xie W. Design and Synthesis of Sulfonium Derivatives: A Novel Class of α-Glucosidase Inhibitors with Potent In Vivo Antihyperglycemic Activities. J Med Chem 2023; 66:3484-3498. [PMID: 36812150 DOI: 10.1021/acs.jmedchem.2c01984] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/24/2023]
Abstract
We report the first attempt of double-spot structural modification on a side-chain moiety of sulfonium-type α-glucosidase inhibitors isolated from genus Salacia. A series of sulfonium salts with benzylidene acetal linkage at the C3' and C5' positions were designed and synthesized. In vitro enzyme inhibition evaluation showed that compounds with a strong electron-withdrawing group attached at the ortho position on the phenyl ring present stronger inhibitory activities. Notably, the most potent inhibitor 21b (1.0 mpk) can exhibit excellent hypoglycemic effects in mice, which can still compete with those of acarbose (20.0 mpk). Molecular docking of 21b demonstrated that besides conventional interacting patterns, the newly introduced benzylidene acetal moiety plays an important role in anchoring the whole molecule in a concave pocket of the enzyme. The successful identification of 21b as a lead compound for new drug discovery may provide a means for structure modification and diversification of the distinguished sulfonium-type α-glucosidase inhibitors.
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Affiliation(s)
- Lu Lu
- State Key Laboratory of Natural Medicines (SKLNM) and Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, Nanjing 210009, P. R. China
| | - Jingyi Chen
- State Key Laboratory of Natural Medicines (SKLNM) and Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, Nanjing 210009, P. R. China
| | - Wenxiang Tao
- State Key Laboratory of Natural Medicines (SKLNM) and Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, Nanjing 210009, P. R. China
| | - Zhimei Wang
- State Key Laboratory of Natural Medicines (SKLNM) and Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, Nanjing 210009, P. R. China
| | - Dan Liu
- State Key Laboratory of Natural Medicines (SKLNM) and Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, Nanjing 210009, P. R. China
| | - Jiahui Zhou
- State Key Laboratory of Natural Medicines (SKLNM) and Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, Nanjing 210009, P. R. China
| | - Xiaoxing Wu
- State Key Laboratory of Natural Medicines (SKLNM) and Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, Nanjing 210009, P. R. China
| | - Haopeng Sun
- State Key Laboratory of Natural Medicines (SKLNM) and Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, Nanjing 210009, P. R. China
| | - Wei Li
- State Key Laboratory of Natural Medicines (SKLNM) and Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, Nanjing 210009, P. R. China
| | - Genzoh Tanabe
- Faculty of Pharmacy Kinki University, 3-4-1 Kowakae, Higashiosaka, Osaka 577-8502, Japan
| | - Osamu Muraoka
- Faculty of Pharmacy Kinki University, 3-4-1 Kowakae, Higashiosaka, Osaka 577-8502, Japan
| | - Bo Zhao
- Department of Chemical and Material Science, Nanjing Normal University, Nanjing 210009, P. R. China
| | - Liang Wu
- Jiangsu Key Laboratory of Drug Screening, China Pharmaceutical University, Nanjing 210009, P. R. China
| | - Weijia Xie
- State Key Laboratory of Natural Medicines (SKLNM) and Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, Nanjing 210009, P. R. China
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5
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Liu M, Huang LZX, Smits AA, Büll C, Narimatsu Y, van Kuppeveld FJM, Clausen H, de Haan CAM, de Vries E. Human-type sialic acid receptors contribute to avian influenza A virus binding and entry by hetero-multivalent interactions. Nat Commun 2022; 13:4054. [PMID: 35831293 PMCID: PMC9279479 DOI: 10.1038/s41467-022-31840-0] [Citation(s) in RCA: 26] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2022] [Accepted: 07/06/2022] [Indexed: 11/09/2022] Open
Abstract
Establishment of zoonotic viruses, causing pandemics like the Spanish flu and Covid-19, requires adaptation to human receptors. Pandemic influenza A viruses (IAV) that crossed the avian-human species barrier switched from binding avian-type α2-3-linked sialic acid (2-3Sia) to human-type 2-6Sia receptors. Here, we show that this specificity switch is however less dichotomous as generally assumed. Binding and entry specificity were compared using mixed synthetic glycan gradients of 2-3Sia and 2-6Sia and by employing a genetically remodeled Sia repertoire on the surface of a Sia-free cell line and on a sialoglycoprotein secreted from these cells. Expression of a range of (mixed) 2-3Sia and 2-6Sia densities shows that non-binding human-type receptors efficiently enhanced avian IAV binding and entry provided the presence of a low density of high affinity avian-type receptors, and vice versa. Considering the heterogeneity of sialoglycan receptors encountered in vivo, hetero-multivalent binding is physiologically relevant and will impact evolutionary pathways leading to host adaptation. It is believed that human Influenza HA glycoprotein attaches to alpha2-6 linked sialic acids (SA) on cells, while avian viruses bind to alpha2-3 linked sialic acids, therewith contributing to host tropism. Here, Liu et al. show that mixing low-affinity alpha2-3 SA with low amounts of high-affinity alpha2-6 SA increases binding and entry of human viruses and the converse for avian virus. This shows that receptor recognition is not as strict as currently assumed and provides evidence that heteromultivalent interactions between human/avian HA and SA contributes to host adaptation.
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Affiliation(s)
- Mengying Liu
- Virology group, Division of Infectious Diseases and Immunology, Department of Biomolecular Health Sciences, Faculty of Veterinary Medicine, Utrecht University, Utrecht, The Netherlands
| | - Liane Z X Huang
- Virology group, Division of Infectious Diseases and Immunology, Department of Biomolecular Health Sciences, Faculty of Veterinary Medicine, Utrecht University, Utrecht, The Netherlands
| | - Anthony A Smits
- Virology group, Division of Infectious Diseases and Immunology, Department of Biomolecular Health Sciences, Faculty of Veterinary Medicine, Utrecht University, Utrecht, The Netherlands
| | - Christian Büll
- Center for Glycomics, Departments of Cellular and Molecular Medicine and Odontology, Faculty of Health Sciences, University of Copenhagen, Blegdamsvej 3, Copenhagen, Denmark.,Department of Biomolecular Chemistry, Institute for Molecules and Materials, Radboud University, Nijmegen, The Netherlands
| | - Yoshiki Narimatsu
- Center for Glycomics, Departments of Cellular and Molecular Medicine and Odontology, Faculty of Health Sciences, University of Copenhagen, Blegdamsvej 3, Copenhagen, Denmark
| | - Frank J M van Kuppeveld
- Virology group, Division of Infectious Diseases and Immunology, Department of Biomolecular Health Sciences, Faculty of Veterinary Medicine, Utrecht University, Utrecht, The Netherlands
| | - Henrik Clausen
- Center for Glycomics, Departments of Cellular and Molecular Medicine and Odontology, Faculty of Health Sciences, University of Copenhagen, Blegdamsvej 3, Copenhagen, Denmark
| | - Cornelis A M de Haan
- Virology group, Division of Infectious Diseases and Immunology, Department of Biomolecular Health Sciences, Faculty of Veterinary Medicine, Utrecht University, Utrecht, The Netherlands.
| | - Erik de Vries
- Virology group, Division of Infectious Diseases and Immunology, Department of Biomolecular Health Sciences, Faculty of Veterinary Medicine, Utrecht University, Utrecht, The Netherlands.
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6
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Multivalent glucosidase inhibitors based on perylene bisimide and iminosugar conjugates. Eur J Med Chem 2022; 241:114621. [DOI: 10.1016/j.ejmech.2022.114621] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2022] [Revised: 07/17/2022] [Accepted: 07/18/2022] [Indexed: 11/21/2022]
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7
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González-Cuesta M, Herrera-González I, García-Moreno MI, Ashmus RA, Vocadlo DJ, García Fernández JM, Nanba E, Higaki K, Ortiz Mellet C. sp 2-Iminosugars targeting human lysosomal β-hexosaminidase as pharmacological chaperone candidates for late-onset Tay-Sachs disease. J Enzyme Inhib Med Chem 2022; 37:1364-1374. [PMID: 35575117 PMCID: PMC9126592 DOI: 10.1080/14756366.2022.2073444] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
Abstract
The late-onset form of Tay-Sachs disease displays when the activity levels of human β-hexosaminidase A (HexA) fall below 10% of normal, due to mutations that destabilise the native folded form of the enzyme and impair its trafficking to the lysosome. Competitive inhibitors of HexA can rescue disease-causative mutant HexA, bearing potential as pharmacological chaperones, but often also inhibit the enzyme O-glucosaminidase (GlcNAcase; OGA), a serious drawback for translation into the clinic. We have designed sp2-iminosugar glycomimetics related to GalNAc that feature a neutral piperidine-derived thiourea or a basic piperidine-thiazolidine bicyclic core and behave as selective nanomolar competitive inhibitors of human Hex A at pH 7 with a ten-fold lower inhibitory potency at pH 5, a good indication for pharmacological chaperoning. They increased the levels of lysosomal HexA activity in Tay-Sachs patient fibroblasts having the G269S mutation, the highest prevalent in late-onset Tay-Sachs disease.
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Affiliation(s)
- Manuel González-Cuesta
- Department of Organic Chemistry, Faculty of Chemistry, University of Seville, Sevilla, Spain
| | - Irene Herrera-González
- Department of Organic Chemistry, Faculty of Chemistry, University of Seville, Sevilla, Spain
| | - M Isabel García-Moreno
- Department of Organic Chemistry, Faculty of Chemistry, University of Seville, Sevilla, Spain
| | - Roger A Ashmus
- Department of Chemistry and Department of Molecular Biology and Biochemistry, Simon Fraser University, Burnaby, Canada
| | - David J Vocadlo
- Department of Chemistry and Department of Molecular Biology and Biochemistry, Simon Fraser University, Burnaby, Canada
| | - José M García Fernández
- Instituto de Investigaciones Químicas (IIQ), Consejo Superior de Investigaciones Científicas (CSIC) - Universidad de Sevilla, Sevilla, Spain
| | - Eiji Nanba
- Organization for Research Initiative and Promotion, Tottori University, Yonago, Japan
| | - Katsumi Higaki
- Organization for Research Initiative and Promotion, Tottori University, Yonago, Japan
| | - Carmen Ortiz Mellet
- Department of Organic Chemistry, Faculty of Chemistry, University of Seville, Sevilla, Spain
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8
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Osswald U, Boneberg J, Wittmann V. Photoswitching Affinity and Mechanism of Multivalent Lectin Ligands. Chemistry 2022; 28:e202200267. [PMID: 35286724 PMCID: PMC9325471 DOI: 10.1002/chem.202200267] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2022] [Indexed: 11/09/2022]
Abstract
Multivalent receptor–ligand binding is a key principle in a plethora of biological recognition processes. Immense binding affinities can be achieved with the correct spatial orientation of the ligands. Accordingly, the incorporation of photoswitches, which can be used to reversibly change the spatial orientation of molecules, into multivalent ligands is a means to alter the binding affinity and possibly also the binding mode of such ligands. We report a divalent ligand for the model lectin wheat germ agglutinin (WGA) containing an arylazopyrazole photoswitch. This switch, which has recently been introduced as an alternative to the more commonly used azobenzene moiety, is characterized by almost quantitative E/Z photoswitching in both directions, high quantum yields, and high thermal stability of the Z isomer. The ligand was designed in a way that only one of the isomers is able to bridge adjacent binding sites of WGA leading to a chelating binding mode. Photoswitching induces an unprecedentedly high change in lectin binding affinity as determined by isothermal titration calorimetry (ITC). Furthermore, additional dynamic light scattering (DLS) data suggest that the binding mode of the ligand changes from chelating binding of the E isomer to crosslinking binding of the Z isomer.
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Affiliation(s)
- Uwe Osswald
- Department of ChemistryUniversity of Konstanz78457KonstanzGermany
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9
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Shi B, Zhou Y, Li X. Recent advances in DNA-encoded dynamic libraries. RSC Chem Biol 2022; 3:407-419. [PMID: 35441147 PMCID: PMC8985084 DOI: 10.1039/d2cb00007e] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2022] [Accepted: 02/16/2022] [Indexed: 11/21/2022] Open
Abstract
The DNA-encoded chemical library (DEL) has emerged as a powerful technology platform in drug discovery and is also gaining momentum in academic research. The rapid development of DNA-/DEL-compatible chemistries has greatly expanded the chemical space accessible to DELs. DEL technology has been widely adopted in the pharmaceutical industry and a number of clinical drug candidates have been identified from DEL selections. Recent innovations have combined DELs with other legacy and emerging techniques. Among them, the DNA-encoded dynamic library (DEDL) introduces DNA encoding into the classic dynamic combinatorial libraries (DCLs) and also integrates the principle of fragment-based drug discovery (FBDD), making DEDL a novel approach with distinct features from static DELs. In this Review, we provide a summary of the recently developed DEDL methods and their applications. Future developments in DEDLs are expected to extend the application scope of DELs to complex biological systems with unique ligand-discovery capabilities.
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Affiliation(s)
- Bingbing Shi
- Department of Biochemistry and Molecular Biology, College of Basic Medicine, Jining Medical University Jining Shandong 272067 P. R. China
| | - Yu Zhou
- Department of Chemistry and State Key Laboratory of Synthetic Chemistry, The University of Hong Kong Pokfulam Road Hong Kong SAR China
| | - Xiaoyu Li
- Department of Chemistry and State Key Laboratory of Synthetic Chemistry, The University of Hong Kong Pokfulam Road Hong Kong SAR China
- Laboratory for Synthetic Chemistry and Chemical Biology Limited, Health@InnoHK, Innovation and Technology Commission Units 1503-1511 15/F. Building 17W Hong Kong SAR China
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10
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Goyard D, Roubinet B, Vena F, Landemarre L, Renaudet O. Homo- and Heterovalent Neoglycoproteins as Ligands for Bacterial Lectins. Chempluschem 2021; 87:e202100481. [PMID: 34931469 DOI: 10.1002/cplu.202100481] [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: 10/26/2021] [Revised: 12/03/2021] [Indexed: 11/11/2022]
Abstract
Click chemistry gives access to unlimited set of multivalent glycoconjugates to explore carbohydrate-protein interactions and discover high affinity ligands. In this study, we have created supramolecular systems based on a carrier protein that was grafted by Cu(I)-catalyzed azide-alkyne cycloaddition with tetravalent glycodendrons presenting αGal, βGal and/or αFuc. Binding studies of the homo- (4 a-c) and heterovalent (5) neoglycoproteins (neoGPs) with the LecA and LecB lectins from P. aeruginosa has first confirmed the interest of the multivalent presentation of glycodendrons by the carrier protein (IC50 up to 2.8 nM). Moreover, these studies have shown that the heterovalent display of glycans (5) allows the interaction with both lectins (IC50 of 10 nM) despite the presence of unspecific moieties, and even with similar efficiency for LecB. These results demonstrate the potential of multivalent and multispecific neoGPs as a promising strategy to fight against resistant pathogens.
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Affiliation(s)
- David Goyard
- Univ. Grenoble Alpes, CNRS, DCM UMR 5250, 38000, Grenoble, France
| | | | | | | | - Olivier Renaudet
- Univ. Grenoble Alpes, CNRS, DCM UMR 5250, 38000, Grenoble, France
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11
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Abstract
Iminosugars are naturally occurring carbohydrate analogues known since 1967. These natural compounds and hundreds of their synthetic derivatives prepared over five decades have been mainly exploited to inhibit the glycosidases, the enzymes catalysing the glycosidic bond cleavage, in order to find new drugs for the treatment of type 2 diabetes and other diseases. However, iminosugars are also inhibitors of glycosyltransferases, the enzymes responsible for the synthesis of oligosaccharides and glycoconjugates. The selective inhibition of specific glycosyltransferases involved in cancer or bacterial infections could lead to innovative therapeutic agents. The synthesis and biological properties of all the iminosugars assayed to date as glycosyltransferase inhibitors are reviewed in the present article.
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Affiliation(s)
- Irene Conforti
- Institut des Biomolécules Max Mousseron (IBMM), UMR 5247, CNRS, Université de Montpellier, Ecole Nationale Supérieure de Chimie de Montpellier, 8 Rue de l'Ecole Normale, 34296 Montpellier cedex 5, France.
| | - Alberto Marra
- Institut des Biomolécules Max Mousseron (IBMM), UMR 5247, CNRS, Université de Montpellier, Ecole Nationale Supérieure de Chimie de Montpellier, 8 Rue de l'Ecole Normale, 34296 Montpellier cedex 5, France.
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12
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Li RF, Yang JX, Liu J, Ai GM, Zhang HY, Xu LY, Chen SB, Zhang HX, Li XL, Cao ZR, Wang KR. Positional Isomeric Effects on the Optical Properties, Multivalent Glycosidase Inhibition Effect, and Hypoglycemic Effect of Perylene Bisimide-deoxynojirimycin Conjugates. J Med Chem 2021; 64:5863-5873. [PMID: 33886333 DOI: 10.1021/acs.jmedchem.1c00036] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Although multivalent glycosidase inhibitors have shown enhanced glycosidase inhibition activities, further applications and research directions need to be developed in the future. In this paper, two positional isomeric perylene bisimide derivatives (PBI-4DNJ-1 and PBI-4DNJ-2) with 1-deoxynojirimycin conjugated were synthesized. Furthermore, PBI-4DNJ-1 and PBI-4DNJ-2 showed positional isomeric effects on the optical properties, self-assembly behaviors, glycosidase inhibition activities, and hypoglycemic effects. Importantly, PBI-4DNJ-1 exhibited potent hypoglycemic effects in mice with 41.33 ± 2.84 and 37.45 ± 3.94% decreases in blood glucose at 15 and 30 min, respectively. The molecular docking results showed that the active fragment of PBI-4DNJ-1 has the highest binding energy (9.649 kcal/mol) and the highest total hydrogen bond energy (62.83 kJ/mol), which were related to the positional isomeric effect on the hypoglycemic effect in mice. This work introduced a new means to develop antihyperglycemic agents in the field of multivalent glycomimetics.
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Affiliation(s)
- Ren-Feng Li
- College of Chemistry and Environmental Science, Hebei University, Baoding 071002, P. R. China.,Key Laboratory of Medicinal Chemistry and Molecular Diagnosis (Ministry of Education), Key Laboratory of Chemical Biology of Hebei Province, Baoding 071002, P. R. China.,Department of Immunology, School of Basic Medical Science, Hebei University, Baoding 071002, P. R. China
| | - Jian-Xing Yang
- College of Chemistry and Environmental Science, Hebei University, Baoding 071002, P. R. China.,Key Laboratory of Medicinal Chemistry and Molecular Diagnosis (Ministry of Education), Key Laboratory of Chemical Biology of Hebei Province, Baoding 071002, P. R. China
| | - Jing Liu
- College of Veterinary Medicine, Hebei Agricultural University, Baoding 071000, P. R. China
| | - Guo-Min Ai
- Institute of Microbiology, Chinese Academy of Sciences, Beijing 100101, P. R. China
| | - Hui-Yan Zhang
- College of Chemistry and Environmental Science, Hebei University, Baoding 071002, P. R. China.,Key Laboratory of Medicinal Chemistry and Molecular Diagnosis (Ministry of Education), Key Laboratory of Chemical Biology of Hebei Province, Baoding 071002, P. R. China
| | - Li-Yue Xu
- College of Chemistry and Environmental Science, Hebei University, Baoding 071002, P. R. China
| | - Si-Bing Chen
- College of Chemistry and Environmental Science, Hebei University, Baoding 071002, P. R. China
| | - Hong-Xin Zhang
- Medical Comprehensive Experimental Center, Hebei University, Baoding 071002, P. R. China
| | - Xiao-Liu Li
- College of Chemistry and Environmental Science, Hebei University, Baoding 071002, P. R. China.,Key Laboratory of Medicinal Chemistry and Molecular Diagnosis (Ministry of Education), Key Laboratory of Chemical Biology of Hebei Province, Baoding 071002, P. R. China
| | - Zhi-Ran Cao
- Department of Immunology, School of Basic Medical Science, Hebei University, Baoding 071002, P. R. China
| | - Ke-Rang Wang
- College of Chemistry and Environmental Science, Hebei University, Baoding 071002, P. R. China.,Key Laboratory of Medicinal Chemistry and Molecular Diagnosis (Ministry of Education), Key Laboratory of Chemical Biology of Hebei Province, Baoding 071002, P. R. China
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13
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Grafting Dendrons onto Pillar[5]Arene Scaffolds. Molecules 2021; 26:molecules26082358. [PMID: 33919656 PMCID: PMC8073356 DOI: 10.3390/molecules26082358] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2021] [Revised: 04/14/2021] [Accepted: 04/14/2021] [Indexed: 11/16/2022] Open
Abstract
With their ten peripheral substituents, pillar[5]arenes are attractive compact scaffolds for the construction of nanomaterials with a controlled number of functional groups distributed around the macrocyclic core. This review paper is focused on the functionalization of pillar[5]arene derivatives with small dendrons to generate dendrimer-like nanomaterials and bioactive compounds. Examples include non-viral gene vectors, bioactive glycoclusters, and liquid-crystalline materials.
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14
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Assailly C, Bridot C, Saumonneau A, Lottin P, Roubinet B, Krammer EM, François F, Vena F, Landemarre L, Alvarez Dorta D, Deniaud D, Grandjean C, Tellier C, Pascual S, Montembault V, Fontaine L, Daligault F, Bouckaert J, Gouin SG. Polyvalent Transition-State Analogues of Sialyl Substrates Strongly Inhibit Bacterial Sialidases*. Chemistry 2021; 27:3142-3150. [PMID: 33150981 DOI: 10.1002/chem.202004672] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2020] [Indexed: 11/06/2022]
Abstract
Bacterial sialidases (SA) are validated drug targets expressed by common human pathogens such as Streptococcus pneumoniae, Vibrio cholerae, or Clostridium perfringens. Noncovalent inhibitors of bacterial SA capable of reaching the submicromolar level are rarely reported. In this work, multi- and polyvalent compounds are developed, based on the transition-state analogue 2-deoxy-2,3-didehydro-N-acetylneuraminic (DANA). Poly-DANA inhibits the catalytic activity of SA from S. pneumoniae (NanA) and the symbiotic microorganism B. thetaiotaomicron (BtSA) at the picomolar and low nanomolar levels (expressed in moles of molecules and of DANA, respectively). Each DANA grafted to the polymer surpasses the inhibitory potential of the monovalent analogue by more than four orders of magnitude, which represents the highest multivalent effect reported so far for an enzyme inhibition. The synergistic interaction is shown to operate exclusively in the catalytic domain, and not in the flanked carbohydrate-binding module (CBM). These results offer interesting perspectives for the multivalent inhibition of other SA families lacking a CBM, such as viral, parasitic, or human SA.
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Affiliation(s)
- Coralie Assailly
- CNRS, CEISAM UMR, 6230, Université de Nantes, 44000, Nantes, France
| | - Clarisse Bridot
- Unité de Glycobiologie Structurale et Fonctionnelle (UGSF), UMR8576 CNRS, Université de Lille, Lille, 59000, France
| | - Amélie Saumonneau
- UFIP, UMR CNRS 6286, UFR des Sciences et des Techniques, Université de Nantes, 2 rue de la Houssinière, BP 92208, 44322, Nantes Cedex 3, France
| | - Paul Lottin
- Institut des Molécules et Matériaux du Mans (IMMM), UMR 6283 CNRS, Le Mans Université, Av. O. Messiaen, 72085, Le Mans cedex 9, France
| | - Benoit Roubinet
- Glycodiag, Bâtiment Physique-Chimie, Rue de Chartres, BP6759, 45067, Orléans cedex 2, France
| | - Eva-Maria Krammer
- Unité de Glycobiologie Structurale et Fonctionnelle (UGSF), UMR8576 CNRS, Université de Lille, Lille, 59000, France
| | - Francesca François
- Institut des Molécules et Matériaux du Mans (IMMM), UMR 6283 CNRS, Le Mans Université, Av. O. Messiaen, 72085, Le Mans cedex 9, France
| | - Federica Vena
- Glycodiag, Bâtiment Physique-Chimie, Rue de Chartres, BP6759, 45067, Orléans cedex 2, France
| | - Ludovic Landemarre
- Glycodiag, Bâtiment Physique-Chimie, Rue de Chartres, BP6759, 45067, Orléans cedex 2, France
| | | | - David Deniaud
- CNRS, CEISAM UMR, 6230, Université de Nantes, 44000, Nantes, France
| | - Cyrille Grandjean
- UFIP, UMR CNRS 6286, UFR des Sciences et des Techniques, Université de Nantes, 2 rue de la Houssinière, BP 92208, 44322, Nantes Cedex 3, France
| | - Charles Tellier
- UFIP, UMR CNRS 6286, UFR des Sciences et des Techniques, Université de Nantes, 2 rue de la Houssinière, BP 92208, 44322, Nantes Cedex 3, France
| | - Sagrario Pascual
- Institut des Molécules et Matériaux du Mans (IMMM), UMR 6283 CNRS, Le Mans Université, Av. O. Messiaen, 72085, Le Mans cedex 9, France
| | - Véronique Montembault
- Institut des Molécules et Matériaux du Mans (IMMM), UMR 6283 CNRS, Le Mans Université, Av. O. Messiaen, 72085, Le Mans cedex 9, France
| | - Laurent Fontaine
- Institut des Molécules et Matériaux du Mans (IMMM), UMR 6283 CNRS, Le Mans Université, Av. O. Messiaen, 72085, Le Mans cedex 9, France
| | - Franck Daligault
- UFIP, UMR CNRS 6286, UFR des Sciences et des Techniques, Université de Nantes, 2 rue de la Houssinière, BP 92208, 44322, Nantes Cedex 3, France
| | - Julie Bouckaert
- Unité de Glycobiologie Structurale et Fonctionnelle (UGSF), UMR8576 CNRS, Université de Lille, Lille, 59000, France
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15
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Della Sala P, Vanni C, Talotta C, Di Marino L, Matassini C, Goti A, Neri P, Šesták S, Cardona F, Gaeta C. Multivalent resorcinarene clusters decorated with DAB-1 inhitopes: targeting Golgi α-mannosidase from Drosophila melanogaster. Org Chem Front 2021. [DOI: 10.1039/d1qo01048d] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
Resorcinarene@DAB-1 clusters show a remarkable multivalent effect towards GMIIb over other α-mannosidases, due to a rebinding mechanism: two DAB-1 units of the cluster bind the two Zn-sites of the dimeric protein in an alternate way.
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Affiliation(s)
- Paolo Della Sala
- Laboratory of Supramolecular Chemistry (SupraLab@UniSa), Dipartimento di Chimica e Biologia “A. Zambelli”, Università di Salerno, Via Giovanni Paolo II 132, I-84984, Fisciano, Italy
| | - Costanza Vanni
- Dipartimento di Chimica “Ugo Schiff”, Università degli Studi di Firenze, via della Lastruccia 3-13, 50019 Sesto Fiorentino, FI, Italy
| | - Carmen Talotta
- Laboratory of Supramolecular Chemistry (SupraLab@UniSa), Dipartimento di Chimica e Biologia “A. Zambelli”, Università di Salerno, Via Giovanni Paolo II 132, I-84984, Fisciano, Italy
| | - Luca Di Marino
- Laboratory of Supramolecular Chemistry (SupraLab@UniSa), Dipartimento di Chimica e Biologia “A. Zambelli”, Università di Salerno, Via Giovanni Paolo II 132, I-84984, Fisciano, Italy
| | - Camilla Matassini
- Dipartimento di Chimica “Ugo Schiff”, Università degli Studi di Firenze, via della Lastruccia 3-13, 50019 Sesto Fiorentino, FI, Italy
- Associated with LENS, via N. Carrara 1, 50019 Sesto Fiorentino, FI, Italy
| | - Andrea Goti
- Dipartimento di Chimica “Ugo Schiff”, Università degli Studi di Firenze, via della Lastruccia 3-13, 50019 Sesto Fiorentino, FI, Italy
- Associated with LENS, via N. Carrara 1, 50019 Sesto Fiorentino, FI, Italy
| | - Placido Neri
- Laboratory of Supramolecular Chemistry (SupraLab@UniSa), Dipartimento di Chimica e Biologia “A. Zambelli”, Università di Salerno, Via Giovanni Paolo II 132, I-84984, Fisciano, Italy
| | - Sergej Šesták
- Institute of Chemistry, Center for Glycomics, Slovak Academy of Sciences, Dubravska cesta 9, 84538, Bratislava, Slovakia
| | - Francesca Cardona
- Dipartimento di Chimica “Ugo Schiff”, Università degli Studi di Firenze, via della Lastruccia 3-13, 50019 Sesto Fiorentino, FI, Italy
- Associated with LENS, via N. Carrara 1, 50019 Sesto Fiorentino, FI, Italy
| | - Carmine Gaeta
- Laboratory of Supramolecular Chemistry (SupraLab@UniSa), Dipartimento di Chimica e Biologia “A. Zambelli”, Università di Salerno, Via Giovanni Paolo II 132, I-84984, Fisciano, Italy
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16
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Rivero-Barbarroja G, Benito JM, Ortiz Mellet C, García Fernández JM. Cyclodextrin-Based Functional Glyconanomaterials. NANOMATERIALS (BASEL, SWITZERLAND) 2020; 10:E2517. [PMID: 33333914 PMCID: PMC7765426 DOI: 10.3390/nano10122517] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/24/2020] [Revised: 12/11/2020] [Accepted: 12/12/2020] [Indexed: 12/29/2022]
Abstract
Cyclodextrins (CDs) have long occupied a prominent position in most pharmaceutical laboratories as "off-the-shelve" tools to manipulate the pharmacokinetics of a broad range of active principles, due to their unique combination of biocompatibility and inclusion abilities. The development of precision chemical methods for their selective functionalization, in combination with "click" multiconjugation procedures, have further leveraged the nanoscaffold nature of these oligosaccharides, creating a direct link between the glyco and the nano worlds. CDs have greatly contributed to understand and exploit the interactions between multivalent glycodisplays and carbohydrate-binding proteins (lectins) and to improve the drug-loading and functional properties of nanomaterials through host-guest strategies. The whole range of capabilities can be enabled through self-assembly, template-assisted assembly or covalent connection of CD/glycan building blocks. This review discusses the advancements made in this field during the last decade and the amazing variety of functional glyconanomaterials empowered by the versatility of the CD component.
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Affiliation(s)
- Gonzalo Rivero-Barbarroja
- Department of Organic Chemistry, Faculty of Chemistry, University of Seville, 41012 Seville, Spain; (G.R.-B.); (C.O.M.)
| | - Juan Manuel Benito
- Instituto de Investigaciones Químicas (IIQ), CSIC, Universidad de Sevilla, 41092 Sevilla, Spain;
| | - Carmen Ortiz Mellet
- Department of Organic Chemistry, Faculty of Chemistry, University of Seville, 41012 Seville, Spain; (G.R.-B.); (C.O.M.)
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17
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Kim EH, Ning B, Kawamoto M, Miyatake H, Kobatake E, Ito Y, Akimoto J. Conjugation of biphenyl groups with poly(ethylene glycol) to enhance inhibitory effects on the PD-1/PD-L1 immune checkpoint interaction. J Mater Chem B 2020; 8:10162-10171. [PMID: 33095222 DOI: 10.1039/d0tb01729a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Monoclonal antibodies have been developed as anticancer agents to block immune checkpoint pathways associated with programmed cell death 1 (PD-1) and its ligand PD-L1. However, the high cost of antibodies has encouraged researchers to develop other inhibitor types. Here, biphenyl compounds were conjugated with poly(ethylene glycol) (PEG) to enhance the activity of small molecular inhibitors. Immunoassay results revealed the decrease in the inhibition activity following conjugation with linear PEG, suggesting that the PEG moiety reduced the interaction between the biphenyl structure and PD-L1. However, the inhibitory effect on PD-1/PD-L1 interaction was further enhanced by using branched PEG conjugates. The increase in the number of conjugated biphenyl compounds resulted in increased inhibitory activity. The highest IC50 value was 0.33 μM, which was about 5 times higher than that observed for a non-conjugated monovalent compound. The inhibitory activity was more than 20 times the activity reported for the starting compound. Considering the increase in the inhibition activity, this multivalent strategy can be useful in the design of new immune checkpoint inhibitors.
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Affiliation(s)
- Eun-Hye Kim
- Nano Medical Engineering Laboratory, RIKEN Cluster for Pioneering Research, 2-1 Hirosawa, Wako, 351-0198, Japan.
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18
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Synthesis and Glycosidase Inhibition Properties of Calix[8]arene-Based Iminosugar Click Clusters. Pharmaceuticals (Basel) 2020; 13:ph13110366. [PMID: 33167387 PMCID: PMC7694328 DOI: 10.3390/ph13110366] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2020] [Revised: 10/28/2020] [Accepted: 11/02/2020] [Indexed: 12/12/2022] Open
Abstract
A set of 6- to 24-valent clusters was constructed with terminal deoxynojirimycin (DNJ) inhibitory heads through C6 or C9 linkers by way of Cu(I)-catalyzed azide-alkyne cycloaddition (CuAAC) reactions between mono- or trivalent azido-armed iminosugars and calix[8]arene scaffolds differing in their valency and their rigidity but not in their size. The power of multivalency to upgrade the inhibition potency of the weak DNJ inhibitor (monovalent DNJ Ki being at 322 and 188 µM for C6 or C9 linkers, respectively) was evaluated on the model glycosidase Jack Bean α-mannosidase (JBα-man). Although for the clusters with the shorter C6 linker the rigidity of the scaffold was essential, these parameters had no influence for clusters with C9 chains: all of them showed rather good relative affinity enhancements per inhibitory epitopes between 70 and 160 highlighting the sound combination of the calix[8]arene core and the long alkyl arms. Preliminary docking studies were performed to get insights into the preferred binding modes.
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19
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Romero-Ben E, Mena Barragán T, García de Dionisio E, Sánchez-Fernández EM, Garcia Fernández JM, Guillén-Mancina E, López-Lázaro M, Khiar N. Mannose-coated polydiacetylene (PDA)-based nanomicelles: synthesis, interaction with concanavalin A and application in the water solubilization and delivery of hydrophobic molecules. J Mater Chem B 2020; 7:5930-5946. [PMID: 31512707 DOI: 10.1039/c9tb01218d] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
Carbohydrate-lectin interactions are involved in a number of relevant biological events including fertilization, immune response, cell adhesion, tumour cell metastasis, and pathogen infection. Lectins are also tissue specific, making carbohydrates not only promising drug candidates but also excellent low molecular weight ligands for active drug delivery system decorations. In order for these interactions to be effective multivalency is essential, as the interaction of a lectin with its cognate monovalent carbohydrate epitope usually takes place with low affinity. Unlike the covalent approach, supramolecular self-assembly of glyco-monomers mediated by non-covalent forces allows accessing multivalent systems with diverse topology, composition, and assembly dynamics in a single step. In order to fine-tune the size and sugar adaptability of spherical micelles at the nanoscale for an optimal glycoside cluster effect, herein we report the synthesis of mannose-coated static micelles from diacetylene-based mannopyranosyl glycolipids differing in the length of the poly(ethyleneglycol) (PEG) chains and the oxidation state of the anomeric sulfur atom. The reported shot-gun like synthetic approach for the synthesis of dilution-insensitive micelles is based on the ability of diacetylenic-based neoglycolipids to self-assemble into micelles in water and to undergo an easy photopolymerization by a simple irradiation at 254 nm. The affinity of the obtained 6 nanosystems was assessed by enzyme-linked lectin assay (ELLA) using the mannose-specific concanavalin A lectin as a model receptor. Relative binding potency enhancements, compared to methyl α-d-mannopyranoside used as control, from 20-, to 29- to 300-fold on a sugar molar basis were observed for micelles derived from sulfonyl-, sulfinyl- and thioglycoside monomers with a tatraethyleneglycol spacer, respectively, indicative of a significant cluster glycoside effect. Moreover, pMic1 micelles are able to solubilize and slowly liberate lipophilic clinically relevant drugs, and show the enhanced cytotoxic effect of docetaxel toward prostate cancer cells. These findings highlight the potential of mannose-coated photopolymerized micelles pMic1 as an efficient nanovector for active delivery of cytotoxic hydrophobic molecules.
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Affiliation(s)
- E Romero-Ben
- Asymmetric Synthesis and Functional Nanosystems Group. Instituto de Investigaciones Químicas (IIQ), CSIC and Universidad de Sevilla, C/Américo Vespucio 49, 41092, Seville, Spain.
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20
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Rohse P, Weickert S, Drescher M, Wittmann V. Precipitation-free high-affinity multivalent binding by inline lectin ligands. Chem Sci 2020; 11:5227-5237. [PMID: 34122979 PMCID: PMC8159369 DOI: 10.1039/d0sc01744b] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2020] [Accepted: 04/27/2020] [Indexed: 11/21/2022] Open
Abstract
Multivalent ligand-protein interactions are a key concept in biology mediating, for example, signalling and adhesion. Multivalent ligands often have tremendously increased binding affinities. However, they also can cause crosslinking of receptor molecules leading to precipitation of ligand-receptor complexes. Plaque formation due to precipitation is a known characteristic of numerous fatal diseases limiting a potential medical application of multivalent ligands with a precipitating binding mode. Here, we present a new design of high-potency multivalent ligands featuring an inline arrangement of ligand epitopes with exceptionally high binding affinities in the low nanomolar range. At the same time, we show with a multi-methodological approach that precipitation of the receptor is prevented. We distinguish distinct binding modes of the ligands, in particular we elucidate a unique chelating binding mode, where four receptor binding sites are simultaneously bridged by one multivalent ligand molecule. The new design concept of inline multivalent ligands, which we established for the well-investigated model lectin wheat germ agglutinin, has great potential for the development of high-potency multivalent inhibitors as future therapeutics.
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Affiliation(s)
- Philipp Rohse
- University of Konstanz, Department of Chemistry, Konstanz Research School Chemical Biology (KoRS-CB) Universitätsstraße 10 78457 Konstanz Germany
| | - Sabrina Weickert
- University of Konstanz, Department of Chemistry, Konstanz Research School Chemical Biology (KoRS-CB) Universitätsstraße 10 78457 Konstanz Germany
| | - Malte Drescher
- University of Konstanz, Department of Chemistry, Konstanz Research School Chemical Biology (KoRS-CB) Universitätsstraße 10 78457 Konstanz Germany
| | - Valentin Wittmann
- University of Konstanz, Department of Chemistry, Konstanz Research School Chemical Biology (KoRS-CB) Universitätsstraße 10 78457 Konstanz Germany
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21
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Martínez-Bailén M, Carmona AT, Cardona F, Matassini C, Goti A, Kubo M, Kato A, Robina I, Moreno-Vargas AJ. Synthesis of multimeric pyrrolidine iminosugar inhibitors of human β-glucocerebrosidase and α-galactosidase A: First example of a multivalent enzyme activity enhancer for Fabry disease. Eur J Med Chem 2020; 192:112173. [PMID: 32146376 DOI: 10.1016/j.ejmech.2020.112173] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2019] [Revised: 02/12/2020] [Accepted: 02/19/2020] [Indexed: 11/29/2022]
Abstract
The synthesis of a chemical library of multimeric pyrrolidine-based iminosugars by incorporation of three pairs of epimeric pyrrolidine-azides into different alkyne scaffolds via CuAAC is presented. The new multimers were evaluated as inhibitors of two important therapeutic enzymes, human α-galactosidase A (α-Gal A) and lysosomal β-glucocerebrosidase (GCase). Structure-activity relationships were established focusing on the iminosugar inhitope, the valency of the dendron and the linker between the inhitope and the central scaffold. Remarkable is the result obtained in the inhibition of α-Gal A, where one of the nonavalent compounds showed potent inhibition (0.20 μM, competitive inhibition), being a 375-fold more potent inhibitor than the monovalent reference. The potential of the best α-Gal A inhibitors to act as pharmacological chaperones was analyzed by evaluating their ability to increase the activity of this enzyme in R301G fibroblasts from patients with Fabry disease, a genetic disorder related with a reduced activity of α-Gal A. The best enzyme activity enhancement was obtained for the same nonavalent compound, which increased 5.2-fold the activity of the misfolded enzyme at 2.5 μM, what constitutes the first example of a multivalent α-Gal A activity enhancer of potential interest in the treatment of Fabry disease.
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Affiliation(s)
- Macarena Martínez-Bailén
- Departamento de Química Orgánica, Facultad de Química, Universidad de Sevilla, C/Prof. García González, 1, 41012, Sevilla, Spain
| | - Ana T Carmona
- Departamento de Química Orgánica, Facultad de Química, Universidad de Sevilla, C/Prof. García González, 1, 41012, Sevilla, Spain.
| | - Francesca Cardona
- Dipartimento di Chimica "Ugo Schiff", Università degli Studi di Firenze, Via della Lastruccia 3-13, 50019, Sesto Fiorentino, Firenze, Italy; Consorzio Interuniversitario Nazionale di Ricerca in Metodologie e Processi Innovativi di Sintesi (CINMPIS), 70125, Bari, Italy
| | - Camilla Matassini
- Dipartimento di Chimica "Ugo Schiff", Università degli Studi di Firenze, Via della Lastruccia 3-13, 50019, Sesto Fiorentino, Firenze, Italy
| | - Andrea Goti
- Dipartimento di Chimica "Ugo Schiff", Università degli Studi di Firenze, Via della Lastruccia 3-13, 50019, Sesto Fiorentino, Firenze, Italy; Consorzio Interuniversitario Nazionale di Ricerca in Metodologie e Processi Innovativi di Sintesi (CINMPIS), 70125, Bari, Italy
| | - Moemi Kubo
- Department of Hospital Pharmacy, University of Toyama, Toyama, 930-0194, Japan
| | - Atsushi Kato
- Department of Hospital Pharmacy, University of Toyama, Toyama, 930-0194, Japan
| | - Inmaculada Robina
- Departamento de Química Orgánica, Facultad de Química, Universidad de Sevilla, C/Prof. García González, 1, 41012, Sevilla, Spain
| | - Antonio J Moreno-Vargas
- Departamento de Química Orgánica, Facultad de Química, Universidad de Sevilla, C/Prof. García González, 1, 41012, Sevilla, Spain.
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22
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González-Cuesta M, Ortiz Mellet C, García Fernández JM. Carbohydrate supramolecular chemistry: beyond the multivalent effect. Chem Commun (Camb) 2020; 56:5207-5222. [DOI: 10.1039/d0cc01135e] [Citation(s) in RCA: 46] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
(Hetero)multivalency acts as a multichannel switch that shapes the supramolecular properties of carbohydrates in an intrinsically multifactorial biological context.
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Affiliation(s)
- Manuel González-Cuesta
- Departamento de Química Orgánica
- Facultad de Química
- Universidad de Sevilla
- Sevilla 41012
- Spain
| | - Carmen Ortiz Mellet
- Departamento de Química Orgánica
- Facultad de Química
- Universidad de Sevilla
- Sevilla 41012
- Spain
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23
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Zelli R, Dumy P, Marra A. Metal-free synthesis of imino-disaccharides and calix-iminosugars by photoinduced radical thiol–ene coupling (TEC). Org Biomol Chem 2020; 18:2392-2397. [DOI: 10.1039/d0ob00198h] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Deprotected iminosugar alkenes were subjected to thiol–ene coupling with deprotected sugar thiols to afford new imino-disaccharides. Two thiol–ene couplings converted these alkenes into iminosugar thiols and then multivalent iminosugars.
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Affiliation(s)
- Renaud Zelli
- Institut des Biomolécules Max Mousseron (IBMM)
- UMR 5247
- CNRS
- Université de Montpellier
- Ecole Nationale Supérieure de Chimie de Montpellier
| | - Pascal Dumy
- Institut des Biomolécules Max Mousseron (IBMM)
- UMR 5247
- CNRS
- Université de Montpellier
- Ecole Nationale Supérieure de Chimie de Montpellier
| | - Alberto Marra
- Institut des Biomolécules Max Mousseron (IBMM)
- UMR 5247
- CNRS
- Université de Montpellier
- Ecole Nationale Supérieure de Chimie de Montpellier
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24
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Choi HK, Lee D, Singla A, Kwon JSI, Wu HJ. The influence of heteromultivalency on lectin-glycan binding behavior. Glycobiology 2019; 29:397-408. [PMID: 30824941 DOI: 10.1093/glycob/cwz010] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2018] [Revised: 02/14/2019] [Accepted: 02/19/2019] [Indexed: 02/06/2023] Open
Abstract
We recently discovered that the nature of lectin multivalency and glycolipid diffusion on cell membranes could lead to the heteromultivalent binding (i.e., a single lectin simultaneously binding to different types of glycolipid ligands). This heteromultivalent binding may even govern the lectin-glycan recognition process. To investigate this, we developed a kinetic Monte Carlo simulation, which only considers the fundamental physics/chemistry principles, to model the process of lectin binding to glycans on cell surfaces. We found that the high-affinity glycan ligands could facilitate lectin binding to other low-affinity glycan ligands, even though these low-affinity ligands are barely detectable in microarrays with immobilized glycan ligands. Such heteromultivalent binding processes significantly change lectin binding behaviors. We hypothesize that living organisms probably utilize this mechanism to regulate the downstream lectin functions. Our finding not only offers a mechanism to describe the concept that lectins are pattern recognition molecules, but also suggests that the two overlooked parameters, surface diffusion of glycan ligand and lectin binding kinetics, can play important roles in glycobiology processes. In this paper, we identified the critical parameters that influence the heteromultivalent binding process. We also discussed how our discovery can impact the current lectin-glycan analysis.
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Affiliation(s)
- Hyun-Kyu Choi
- Department of Chemical Engineering, Texas A&M University, 3122 TAMU, College Station, TX USA
| | - Dongheon Lee
- Department of Chemical Engineering, Texas A&M University, 3122 TAMU, College Station, TX USA
| | - Akshi Singla
- Department of Chemical Engineering, Texas A&M University, 3122 TAMU, College Station, TX USA
| | - Joseph Sang-Il Kwon
- Department of Chemical Engineering, Texas A&M University, 3122 TAMU, College Station, TX USA
| | - Hung-Jen Wu
- Department of Chemical Engineering, Texas A&M University, 3122 TAMU, College Station, TX USA
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25
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González-Cuesta M, Goyard D, Nanba E, Higaki K, García Fernández JM, Renaudet O, Ortiz Mellet C. Multivalent glycoligands with lectin/enzyme dual specificity: self-deliverable glycosidase regulators. Chem Commun (Camb) 2019; 55:12845-12848. [PMID: 31596280 DOI: 10.1039/c9cc06376e] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Multivalent mannosides with inherent macrophage recognition abilities, built on β-cyclodextrin, RAFT cyclopeptide or peptide dendrimer cores, trigger selective inhibition of lysosomal β-glucocerebrosidase or α-mannosidase depending on valency and topology, offering new opportunities in multitargeted drug design.
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Affiliation(s)
- Manuel González-Cuesta
- Department of Organic Chemistry, Faculty of Chemistry, University of Seville, C/Profesor García González 1, 41012 Seville, Spain.
| | - David Goyard
- Université Grenoble Alpes, CNRS, DCM UMR 5250, 3800 Grenoble, France.
| | - Eiji Nanba
- Organization for Research Initiative and Promotion, Tottori University, 86 Nishi-cho, Yonago 683-8503, Japan
| | - Katsumi Higaki
- Organization for Research Initiative and Promotion, Tottori University, 86 Nishi-cho, Yonago 683-8503, Japan
| | - José M García Fernández
- Instituto de Investigaciones Químicas (IIQ), CSIC - Universidad de Sevilla, Avda. Américo Vespucio 49, Isla de la Cartuja, 41092 Sevilla, Spain.
| | - Olivier Renaudet
- Université Grenoble Alpes, CNRS, DCM UMR 5250, 3800 Grenoble, France. and Institut Universitaire de France, 103 Boulevard Saint-Michel, 75005 Paris, France
| | - Carmen Ortiz Mellet
- Department of Organic Chemistry, Faculty of Chemistry, University of Seville, C/Profesor García González 1, 41012 Seville, Spain.
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26
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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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27
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Matassini C, D'Adamio G, Vanni C, Goti A, Cardona F. Studies for the Multimerization of DAB-1-Based Iminosugars through Iteration of the Nitrone Cycloaddition/Ring-Opening/Allylation Sequence. European J Org Chem 2019. [DOI: 10.1002/ejoc.201900823] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Camilla Matassini
- Department of Chemistry “Ugo Schiff”; University of Florence; Via della Lastruccia 3-13 50019 Sesto Fiorentino (FI) Italy
| | - Giampiero D'Adamio
- Department of Chemistry “Ugo Schiff”; University of Florence; Via della Lastruccia 3-13 50019 Sesto Fiorentino (FI) Italy
| | - Costanza Vanni
- Department of Chemistry “Ugo Schiff”; University of Florence; Via della Lastruccia 3-13 50019 Sesto Fiorentino (FI) Italy
| | - Andrea Goti
- Department of Chemistry “Ugo Schiff”; University of Florence; Via della Lastruccia 3-13 50019 Sesto Fiorentino (FI) Italy
- Associated with Consorzio Interuniversitatio Nazionale di ricerca in Metodologie e Processi Innovativi di Sintesi (CINMPIS); Università di Bari; 70125 Bari Italy
| | - Francesca Cardona
- Department of Chemistry “Ugo Schiff”; University of Florence; Via della Lastruccia 3-13 50019 Sesto Fiorentino (FI) Italy
- Associated with Consorzio Interuniversitatio Nazionale di ricerca in Metodologie e Processi Innovativi di Sintesi (CINMPIS); Università di Bari; 70125 Bari Italy
- Associated with LENS; via N. Carrara 1 50019 Sesto Fiorentino, FI Italy
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28
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Sánchez-Fernández EM, García-Moreno MI, García-Hernández R, Padrón JM, García Fernández JM, Gamarro F, Ortiz Mellet C. Thiol-ene "Click" Synthesis and Pharmacological Evaluation of C-Glycoside sp 2-Iminosugar Glycolipids. Molecules 2019; 24:E2882. [PMID: 31398901 PMCID: PMC6720825 DOI: 10.3390/molecules24162882] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [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: 08/05/2019] [Accepted: 08/07/2019] [Indexed: 12/30/2022] Open
Abstract
The unique stereoelectronic properties of sp2-iminosugars enable their participation in glycosylation reactions, thereby behaving as true carbohydrate chemical mimics. Among sp2-iminosugar conjugates, the sp2-iminosugar glycolipids (sp2-IGLs) have shown a variety of interesting pharmacological properties ranging from glycosidase inhibition to antiproliferative, antiparasitic, and anti-inflammatory activities. Developing strategies compatible with molecular diversity-oriented strategies for structure-activity relationship studies was therefore highly wanted. Here we show that a reaction sequence consisting in stereoselective C-allylation followed by thiol-ene "click" coupling provides a very convenient access to α-C-glycoside sp2-IGLs. Both the glycone moiety and the aglycone tail can be modified by using sp2-iminosugar precursors with different configurational profiles (d-gluco or d-galacto in this work) and varied thiols, as well as by oxidation of the sulfide adducts (to the corresponding sulfones in this work). A series of derivatives was prepared in this manner and their glycosidase inhibitory, antiproliferative and antileishmanial activities were evaluated in different settings. The results confirm that the inhibition of glycosidases, particularly α-glucosidase, and the antitumor/leishmanicidal activities are unrelated. The data are also consistent with the two later activities arising from the ability of the sp2-IGLs to interfere in the immune system response in a cell line and cell context dependent manner.
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Affiliation(s)
- Elena M Sánchez-Fernández
- Department of Organic Chemistry, Faculty of Chemistry, University of Seville, C/Profesor García González 1, 41012 Seville, Spain.
| | - M Isabel García-Moreno
- Department of Organic Chemistry, Faculty of Chemistry, University of Seville, C/Profesor García González 1, 41012 Seville, Spain
| | - Raquel García-Hernández
- Instituto de Parasitología y Biomedicina "López-Neyra", IPBLN-CSIC, Parque Tecnológico de Ciencias de la Salud, 18016 Granada, Spain
| | - José M Padrón
- BioLab, Instituto Universitario de Bio-Orgánica Antonio González (IUBO AG), Centro de Investigaciones Biomédicas de Canarias (CIBCAN), Universidad de La Laguna, 38206 La Laguna, Spain
| | - José M García Fernández
- Instituto de Investigaciones Químicas (IIQ), CSIC - University of Sevilla, Avda. Américo Vespucio 49, 41092 Sevilla, Spain
| | - Francisco Gamarro
- Instituto de Parasitología y Biomedicina "López-Neyra", IPBLN-CSIC, Parque Tecnológico de Ciencias de la Salud, 18016 Granada, Spain
| | - Carmen Ortiz Mellet
- Department of Organic Chemistry, Faculty of Chemistry, University of Seville, C/Profesor García González 1, 41012 Seville, Spain.
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29
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Structural basis of the inhibition of GH1 β-glucosidases by multivalent pyrrolidine iminosugars. Bioorg Chem 2019; 89:103026. [DOI: 10.1016/j.bioorg.2019.103026] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2019] [Revised: 05/24/2019] [Accepted: 05/30/2019] [Indexed: 12/11/2022]
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30
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Neva T, Ortiz Mellet C, Fernández JMG, Benito JM. Multiply–linked cyclodextrin–aromatic hybrids: Caps, hinges and clips. J Carbohydr Chem 2019. [DOI: 10.1080/07328303.2019.1609020] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Affiliation(s)
- Tania Neva
- Instituto de Investigaciones Químicas (IIQ), CSIC–University of Seville, Seville, Spain
| | - Carmen Ortiz Mellet
- Department of Organic Chemistry, Faculty of Chemistry, University of Seville, Seville, Spain
| | | | - Juan M. Benito
- Instituto de Investigaciones Químicas (IIQ), CSIC–University of Seville, Seville, Spain
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31
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Rísquez-Cuadro R, Matsumoto R, Ortega-Caballero F, Nanba E, Higaki K, García Fernández JM, Ortiz Mellet C. Pharmacological Chaperones for the Treatment of α-Mannosidosis. J Med Chem 2019; 62:5832-5843. [PMID: 31017416 DOI: 10.1021/acs.jmedchem.9b00153] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
α-Mannosidosis (AM) results from deficient lysosomal α-mannosidase (LAMAN) activity and subsequent substrate accumulation in the lysosome, leading to severe pathology. Many of the AM-causative mutations compromise enzyme folding and could be rescued with purpose-designed pharmacological chaperones (PCs). We found that PCs combining a LAMAN glycone-binding motif based on the 5 N,6 O-oxomethylidenemannojirimycin (OMJ) glycomimetic core and different aglycones, in either mono- or multivalent displays, elicit binding modes involving glycone and nonglycone enzyme regions that reinforce the protein folding and stabilization potential. Multivalent derivatives exhibited potent enzyme inhibition that generally prevailed over the chaperone effect. On the contrary, monovalent OMJ derivatives with LAMAN aglycone binding area-fitting substituents proved effective as activity enhancers for several mutant LAMAN forms in AM patient fibroblasts and/or transfected MAN2 B1-KO cells. This translated into a significant improvement in endosomal/lysosomal function, reverting not only the primary LAMAN substrate accumulation but also the additional downstream consequences such as cholesterol accumulation.
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Affiliation(s)
- Rocío Rísquez-Cuadro
- Department of Organic Chemistry, Faculty of Chemistry , University of Sevilla , C/ Profesor García González 1 , 41012 Sevilla , Spain
| | - Reimi Matsumoto
- Organization for Research Initiative and Promotion , Tottori University , 86 Nishi-cho , Yonago 683-8503 , Japan
| | - Fernando Ortega-Caballero
- Department of Organic Chemistry, Faculty of Chemistry , University of Sevilla , C/ Profesor García González 1 , 41012 Sevilla , Spain
| | - Eiji Nanba
- Organization for Research Initiative and Promotion , Tottori University , 86 Nishi-cho , Yonago 683-8503 , Japan
| | - Katsumi Higaki
- Organization for Research Initiative and Promotion , Tottori University , 86 Nishi-cho , Yonago 683-8503 , Japan
| | - José Manuel García Fernández
- Instituto de Investigaciones Químicas (IIQ) , CSIC-Universidad de Sevilla , Avda. Américo Vespucio 49, Isla de la Cartuja , 41092 Sevilla , Spain
| | - Carmen Ortiz Mellet
- Department of Organic Chemistry, Faculty of Chemistry , University of Sevilla , C/ Profesor García González 1 , 41012 Sevilla , Spain
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32
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Compain P. Multivalent Effect in Glycosidase Inhibition: The End of the Beginning. CHEM REC 2019; 20:10-22. [PMID: 30993894 DOI: 10.1002/tcr.201900004] [Citation(s) in RCA: 34] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2019] [Revised: 03/15/2019] [Indexed: 12/21/2022]
Abstract
Glycosidases are ubiquitous enzymes involved in a diversity of key biological processes such as energy uptake or cell wall degradation. The design of specific glycosidase inhibitors has been therefore the subject of intense research efforts in academia and pharmaceutical industry. However, until recently, the study of the impact of multivalency on glycosidase inhibition was almost completely neglected. The following account will review our ten year journey on the design of multivalent glycomimetics within our research group, from the discovery of the first strong multivalent effect in glycosidase inhibition to the high-resolution crystal structures of Jack bean α-mannosidase in complex with the multimeric inhibitor displaying the largest binding enhancements reported so far.
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Affiliation(s)
- Philippe Compain
- Laboratoire d'Innovation Moléculaire et Applications (LIMA), Univ. de Strasbourg, Univ. de Haute-Alsace, CNRS (UMR 7042), Equipe de Synthèse Organique et Molécules Bioactives (SYBIO), ECPM, 25 Rue Becquerel, 67000, Strasbourg, France
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33
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Brissonnet Y, Araoz R, Sousa R, Percevault L, Brument S, Deniaud D, Servent D, Le Questel JY, Lebreton J, Gouin SG. Di- and heptavalent nicotinic analogues to interfere with α7 nicotinic acetylcholine receptors. Bioorg Med Chem 2019; 27:700-707. [PMID: 30692022 DOI: 10.1016/j.bmc.2019.01.013] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2018] [Revised: 01/07/2019] [Accepted: 01/13/2019] [Indexed: 12/11/2022]
Abstract
In the field of nicotinic acetylcholine receptors (nAChRs), recognized as important therapeutic targets, much effort has been dedicated to the development of nicotinic analogues to agonize or antagonize distinct homo- and heteropentamers nAChR subtypes, selectively. In this work we developed di- and heptavalent nicotinic derivatives based on ethylene glycol (EG) and cyclodextrin cores, respectively. The compounds showed a concentration dependent inhibition of acetylcholine-induced currents on α7 nAChR expressed by Xenopus oocytes. Interesting features were observed with the divalent nicotinic derivatives, acting as antagonists with varied inhibitory concentrations (IC50) in function of the spacer arm length. The best divalent compounds showed a 16-fold lowered IC50 compared to the monovalent reference (12 vs 195 µM). Docking investigations provide guidelines to rationalize these experimental findings.
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Affiliation(s)
- Yoan Brissonnet
- Université de Nantes, CEISAM, Chimie Et Interdisciplinarité, Synthèse, Analyse, Modélisation, UMR CNRS 6230, UFR des Sciences et des Techniques, 2, rue de la Houssinière, BP 92208, 44322 Nantes Cedex 3, France
| | - Romulo Araoz
- CNRS, Neuro-PSI, UMR9197, 91191 Gif-Sur-Yvette, France; CEA/DRF/JOLIOT/SIMOPRO/Toxines Récepteur et Canaux Ioniques, F-91191 Gif-Sur-Yvette, France.
| | - Rui Sousa
- Université de Nantes, CEISAM, Chimie Et Interdisciplinarité, Synthèse, Analyse, Modélisation, UMR CNRS 6230, UFR des Sciences et des Techniques, 2, rue de la Houssinière, BP 92208, 44322 Nantes Cedex 3, France
| | - Lucie Percevault
- Université de Nantes, CEISAM, Chimie Et Interdisciplinarité, Synthèse, Analyse, Modélisation, UMR CNRS 6230, UFR des Sciences et des Techniques, 2, rue de la Houssinière, BP 92208, 44322 Nantes Cedex 3, France
| | - Sami Brument
- Université de Nantes, CEISAM, Chimie Et Interdisciplinarité, Synthèse, Analyse, Modélisation, UMR CNRS 6230, UFR des Sciences et des Techniques, 2, rue de la Houssinière, BP 92208, 44322 Nantes Cedex 3, France
| | - David Deniaud
- Université de Nantes, CEISAM, Chimie Et Interdisciplinarité, Synthèse, Analyse, Modélisation, UMR CNRS 6230, UFR des Sciences et des Techniques, 2, rue de la Houssinière, BP 92208, 44322 Nantes Cedex 3, France
| | - Denis Servent
- CEA/DRF/JOLIOT/SIMOPRO/Toxines Récepteur et Canaux Ioniques, F-91191 Gif-Sur-Yvette, France
| | - Jean-Yves Le Questel
- Université de Nantes, CEISAM, Chimie Et Interdisciplinarité, Synthèse, Analyse, Modélisation, UMR CNRS 6230, UFR des Sciences et des Techniques, 2, rue de la Houssinière, BP 92208, 44322 Nantes Cedex 3, France.
| | - Jacques Lebreton
- Université de Nantes, CEISAM, Chimie Et Interdisciplinarité, Synthèse, Analyse, Modélisation, UMR CNRS 6230, UFR des Sciences et des Techniques, 2, rue de la Houssinière, BP 92208, 44322 Nantes Cedex 3, France
| | - Sébastien G Gouin
- Université de Nantes, CEISAM, Chimie Et Interdisciplinarité, Synthèse, Analyse, Modélisation, UMR CNRS 6230, UFR des Sciences et des Techniques, 2, rue de la Houssinière, BP 92208, 44322 Nantes Cedex 3, France.
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34
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Brissonnet Y, Assailly C, Saumonneau A, Bouckaert J, Maillasson M, Petitot C, Roubinet B, Didak B, Landemarre L, Bridot C, Blossey R, Deniaud D, Yan X, Bernard J, Tellier C, Grandjean C, Daligault F, Gouin SG. Multivalent Thiosialosides and Their Synergistic Interaction with Pathogenic Sialidases. Chemistry 2019; 25:2358-2365. [DOI: 10.1002/chem.201805790] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2018] [Revised: 12/03/2018] [Indexed: 01/18/2023]
Affiliation(s)
- Yoan Brissonnet
- CEISAM, Chimie Et Interdisciplinarité, Synthèse, Analyse, Modélisation; UMR CNRS 6230; UFR des Sciences et des Techniques; Université de Nantes; 2 rue de la Houssinière, BP 92208 44322 Nantes Cedex 3 France
| | - Coralie Assailly
- CEISAM, Chimie Et Interdisciplinarité, Synthèse, Analyse, Modélisation; UMR CNRS 6230; UFR des Sciences et des Techniques; Université de Nantes; 2 rue de la Houssinière, BP 92208 44322 Nantes Cedex 3 France
| | - Amélie Saumonneau
- UFR des Sciences et des Techniques; Université de Nantes, UFIP, UMR CNRS 6286; 2 rue de la Houssinière, BP 92208 44322 Nantes Cedex 3 France
| | - Julie Bouckaert
- Unité de Glycobiologie Structurale et Fonctionnelle (UGSF), UMR8576 CNRS; Université de Lille 1; Lille 59000 France
| | - Mike Maillasson
- Impact biogeneouest; CRCINA; Inserm; CNRS; Université de Nantes; Nantes France
| | - Clémence Petitot
- UFR des Sciences et des Techniques; Université de Nantes, UFIP, UMR CNRS 6286; 2 rue de la Houssinière, BP 92208 44322 Nantes Cedex 3 France
| | - Benoit Roubinet
- Bâtiment Physique-Chimie; Glycodiag; Rue de Chartres, BP6759 45067 Orléans cedex 2 France
| | - Blanka Didak
- Bâtiment Physique-Chimie; Glycodiag; Rue de Chartres, BP6759 45067 Orléans cedex 2 France
| | - Ludovic Landemarre
- Bâtiment Physique-Chimie; Glycodiag; Rue de Chartres, BP6759 45067 Orléans cedex 2 France
| | - Clarisse Bridot
- Unité de Glycobiologie Structurale et Fonctionnelle (UGSF), UMR8576 CNRS; Université de Lille 1; Lille 59000 France
| | - Ralf Blossey
- Unité de Glycobiologie Structurale et Fonctionnelle (UGSF), UMR8576 CNRS; Université de Lille 1; Lille 59000 France
| | - David Deniaud
- CEISAM, Chimie Et Interdisciplinarité, Synthèse, Analyse, Modélisation; UMR CNRS 6230; UFR des Sciences et des Techniques; Université de Nantes; 2 rue de la Houssinière, BP 92208 44322 Nantes Cedex 3 France
| | - Xibo Yan
- Université de Lyon, Lyon; 69003 (France), INSA- Lyon, IMP, Villeurbanne, 69621, France, CNRS, UMR 5223, Ingénierie des Matériaux Polymères, Villeurbanne, 69621 France
| | - Julien Bernard
- Université de Lyon, Lyon; 69003 (France), INSA- Lyon, IMP, Villeurbanne, 69621, France, CNRS, UMR 5223, Ingénierie des Matériaux Polymères, Villeurbanne, 69621 France
| | - Charles Tellier
- UFR des Sciences et des Techniques; Université de Nantes, UFIP, UMR CNRS 6286; 2 rue de la Houssinière, BP 92208 44322 Nantes Cedex 3 France
| | - Cyrille Grandjean
- UFR des Sciences et des Techniques; Université de Nantes, UFIP, UMR CNRS 6286; 2 rue de la Houssinière, BP 92208 44322 Nantes Cedex 3 France
| | - Franck Daligault
- UFR des Sciences et des Techniques; Université de Nantes, UFIP, UMR CNRS 6286; 2 rue de la Houssinière, BP 92208 44322 Nantes Cedex 3 France
| | - Sébastien G. Gouin
- CEISAM, Chimie Et Interdisciplinarité, Synthèse, Analyse, Modélisation; UMR CNRS 6230; UFR des Sciences et des Techniques; Université de Nantes; 2 rue de la Houssinière, BP 92208 44322 Nantes Cedex 3 France
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35
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Loka RS, Sletten ET, Barash U, Vlodavsky I, Nguyen HM. Specific Inhibition of Heparanase by a Glycopolymer with Well-Defined Sulfation Pattern Prevents Breast Cancer Metastasis in Mice. ACS APPLIED MATERIALS & INTERFACES 2019; 11:244-254. [PMID: 30543095 PMCID: PMC6512314 DOI: 10.1021/acsami.8b17625] [Citation(s) in RCA: 40] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/08/2023]
Abstract
Heparanase, the heparan sulfate polysaccharide degrading endoglycosidase enzyme, has been correlated with tumor angiogenesis and metastasis and therefore has become a potential target for anticancer drug development. In this systematic study, the sulfation pattern of the pendant disaccharide moiety on synthetic glycopolymers was synthetically manipulated to achieve optimal heparanase inhibition. Upon evaluation, a glycopolymer with 12 repeating units was determined to be the most potent inhibitor of heparanase (IC50 = 0.10 ± 0.36 nM). This glycopolymer was further examined for cross-bioactivity using a solution-based competitive biolayer interferometry assay with other HS-binding proteins (growth factors, P-selectin, and platelet factor 4), which are responsible for mediating angiogenic activity, cell metastasis, and antibody-induced thrombocytopenia. The synthetic glycopolymer has low affinity for these HS-binding proteins in comparison to natural heparin. In addition, the glycopolymer possessed no proliferative properties toward human umbilical endothelial cells (HUVECs) and a potent antimetastatic effect against 4T1 mammary carcinoma cells. Thus, our study not only establishes a specific inhibitor of heparanase with high affinity but also illustrates the high effectiveness of this multivalent heparanase inhibitor in inhibiting experimental metastasis in vivo.
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Affiliation(s)
- Ravi S Loka
- Department of Chemistry , Wayne State University , Detroit , Michigan 48202 , United States
| | - Eric T Sletten
- Department of Chemistry , University of Iowa , Iowa City, Iowa 52242 , United States
| | - Uri Barash
- Cancer and Vascular Biology Research Center, Rappaport Faculty of Medicine , Technion-Israel Institute of Technology , Haifa , Israel
| | - Israel Vlodavsky
- Cancer and Vascular Biology Research Center, Rappaport Faculty of Medicine , Technion-Israel Institute of Technology , Haifa , Israel
| | - Hien M Nguyen
- Department of Chemistry , Wayne State University , Detroit , Michigan 48202 , United States
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36
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Li M, Wang KR, Yang JX, Peng YT, Liu YX, Zhang HX, Li XL. Supramolecular azasugar clusters based on an amphiphilic fatty-acid-deoxynojirimycin derivative as multivalent glycosidase inhibitors. J Mater Chem B 2019; 7:1379-1383. [DOI: 10.1039/c8tb03249a] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
A novel supramolecular multivalent glycosidase inhibitor was constructed based on the amphiphilic deoxynojirimycin derivative FA-DNJ.
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Affiliation(s)
- Min Li
- Key Laboratory of Medicinal Chemistry and Molecular Diagnosis (Ministry of Education)
- Key Laboratory of Chemical Biology of Hebei Province
- College of Chemistry and Environmental Science
- Hebei University
- Baoding 071002
| | - Ke-Rang Wang
- Key Laboratory of Medicinal Chemistry and Molecular Diagnosis (Ministry of Education)
- Key Laboratory of Chemical Biology of Hebei Province
- College of Chemistry and Environmental Science
- Hebei University
- Baoding 071002
| | - Jian-Xing Yang
- Key Laboratory of Medicinal Chemistry and Molecular Diagnosis (Ministry of Education)
- Key Laboratory of Chemical Biology of Hebei Province
- College of Chemistry and Environmental Science
- Hebei University
- Baoding 071002
| | - Ya-Tong Peng
- Key Laboratory of Medicinal Chemistry and Molecular Diagnosis (Ministry of Education)
- Key Laboratory of Chemical Biology of Hebei Province
- College of Chemistry and Environmental Science
- Hebei University
- Baoding 071002
| | - Yi-Xuan Liu
- Key Laboratory of Medicinal Chemistry and Molecular Diagnosis (Ministry of Education)
- Key Laboratory of Chemical Biology of Hebei Province
- College of Chemistry and Environmental Science
- Hebei University
- Baoding 071002
| | - Hong-Xin Zhang
- Medical Comprehensive Experimental Center of Hebei University
- Baoding
- China
| | - Xiao-Liu Li
- Key Laboratory of Medicinal Chemistry and Molecular Diagnosis (Ministry of Education)
- Key Laboratory of Chemical Biology of Hebei Province
- College of Chemistry and Environmental Science
- Hebei University
- Baoding 071002
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37
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Pichon MM, Stauffert F, Bodlenner A, Compain P. Tight-binding inhibition of jack bean α-mannosidase by glycoimidazole clusters. Org Biomol Chem 2019; 17:5801-5817. [DOI: 10.1039/c9ob00826h] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Examples of multimeric inhibitors displaying tight binding inhibition of a carbohydrate-processing enzyme are presented.
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Affiliation(s)
- Maëva M. Pichon
- Laboratoire d'Innovation Moléculaire et Applications (LIMA)
- Univ. de Strasbourg
- Univ. de Haute-Alsace
- CNRS (UMR 7042)
- Equipe de Synthèse Organique et Molécules Bioactives (SYBIO)
- ECPM
- 67000 Strasbourg
| | - Fabien Stauffert
- Laboratoire d'Innovation Moléculaire et Applications (LIMA)
- Univ. de Strasbourg
- Univ. de Haute-Alsace
- CNRS (UMR 7042)
- Equipe de Synthèse Organique et Molécules Bioactives (SYBIO)
- ECPM
- 67000 Strasbourg
| | - Anne Bodlenner
- Laboratoire d'Innovation Moléculaire et Applications (LIMA)
- Univ. de Strasbourg
- Univ. de Haute-Alsace
- CNRS (UMR 7042)
- Equipe de Synthèse Organique et Molécules Bioactives (SYBIO)
- ECPM
- 67000 Strasbourg
| | - Philippe Compain
- Laboratoire d'Innovation Moléculaire et Applications (LIMA)
- Univ. de Strasbourg
- Univ. de Haute-Alsace
- CNRS (UMR 7042)
- Equipe de Synthèse Organique et Molécules Bioactives (SYBIO)
- ECPM
- 67000 Strasbourg
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38
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Li JJ, Wang KR, Li RF, Yang JX, Li M, Zhang HX, Cao ZR, Li XL. Synthesis, self-assembly behaviours and multivalent glycosidase inhibition effects of a deoxynojirimycin modified perylene bisimide derivative. J Mater Chem B 2019; 7:1270-1275. [DOI: 10.1039/c8tb03122c] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
A self-assembled multivalent glycosidase inhibitor based on perylene bisimide-deoxynojirimycin conjugates was constructed, inhibited α-mannosidase and exhibited a Ki value of 38 nM, increased approximately 2763-fold compared with the control drug (miglitol).
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Affiliation(s)
- Juan-Juan Li
- Key Laboratory of Medicinal Chemistry and Molecular Diagnosis of Ministry of Education
- Key Laboratory of Chemical Biology of Hebei Province
- College of Chemistry and Environmental Science, Hebei University
- Baoding 071002
- China
| | - Ke-Rang Wang
- Key Laboratory of Medicinal Chemistry and Molecular Diagnosis of Ministry of Education
- Key Laboratory of Chemical Biology of Hebei Province
- College of Chemistry and Environmental Science, Hebei University
- Baoding 071002
- China
| | - Ren-Feng Li
- Department of Immunology, School of Basic Medical Science
- Hebei University
- Baoding
- China
| | - Jian-Xing Yang
- Key Laboratory of Medicinal Chemistry and Molecular Diagnosis of Ministry of Education
- Key Laboratory of Chemical Biology of Hebei Province
- College of Chemistry and Environmental Science, Hebei University
- Baoding 071002
- China
| | - Min Li
- Key Laboratory of Medicinal Chemistry and Molecular Diagnosis of Ministry of Education
- Key Laboratory of Chemical Biology of Hebei Province
- College of Chemistry and Environmental Science, Hebei University
- Baoding 071002
- China
| | - Hong-Xin Zhang
- Medical Comprehensive Experimental Center of Hebei University
- Baoding
- China
| | - Zhi-Ran Cao
- Department of Immunology, School of Basic Medical Science
- Hebei University
- Baoding
- China
| | - Xiao-Liu Li
- Key Laboratory of Medicinal Chemistry and Molecular Diagnosis of Ministry of Education
- Key Laboratory of Chemical Biology of Hebei Province
- College of Chemistry and Environmental Science, Hebei University
- Baoding 071002
- China
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39
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Figueredo AS, Zamoner LO, Rejzek M, Field RA, Carvalho I. Cluster glycosides and heteroglycoclusters presented in alternative arrangements. Tetrahedron Lett 2018. [DOI: 10.1016/j.tetlet.2018.10.069] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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40
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Laigre E, Tiertant C, Goyard D, Renaudet O. Identification of Nanomolar Lectin Ligands by a Glycodendrimer Microarray. ACS OMEGA 2018; 3:14013-14020. [PMID: 30411056 PMCID: PMC6210076 DOI: 10.1021/acsomega.8b01526] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/03/2018] [Accepted: 09/07/2018] [Indexed: 05/20/2023]
Abstract
Carbohydrate-protein interactions play key roles in a wide variety of biological processes. These interactions are usually weak, with dissociation constants in the low millimolar to high micromolar range. Nature uses multivalency to reach high avidities via the glycoside cluster effect. Capitalizing on this effect, numerous synthetic multivalent glycoconjugates have been described and used as ligands for carbohydrate-binding proteins. However, valency is only one of the several parameters governing the binding mechanisms that are different for every biological receptor, making it almost impossible to predict. In this context, ligand optimization requires the screening of a large number of structures with different valencies, rigidities/flexibilities, and architectures. In this article, we describe a screening platform based on a glycodendrimer array and its use to determine the key parameters for high-affinity ligands of lectin. Several glycoclusters and glycodendrimers displaying varying numbers of α-N-acetylgalactosamine residues were covalently attached on glass slides, and their bindings were studied with the fluorophore-functionalized Helix pomatia agglutinin (HPA) used as a lectin model. This technique requires minimal quantities of glycoconjugate compared to those for other techniques and affords useful information on the binding strength. Building of the glycodendrimer array and quantification of the interactions with HPA are described.
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Affiliation(s)
- 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
| | - Olivier Renaudet
- Univ. Grenoble Alpes, CNRS,
DCM UMR 5250, F-38000 Grenoble, France
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41
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Seidi F, Jenjob R, Phakkeeree T, Crespy D. Saccharides, oligosaccharides, and polysaccharides nanoparticles for biomedical applications. J Control Release 2018; 284:188-212. [DOI: 10.1016/j.jconrel.2018.06.026] [Citation(s) in RCA: 57] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2018] [Revised: 06/18/2018] [Accepted: 06/20/2018] [Indexed: 12/16/2022]
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42
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Lee D, Singla A, Wu HJ, Kwon JSI. An integrated numerical and experimental framework for modeling of CTB and GD1b ganglioside binding kinetics. AIChE J 2018. [DOI: 10.1002/aic.16209] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Dongheon Lee
- Artie McFerrin Dept. of Chemical Engineering; Texas A&M University; College Station TX 77840
| | - Akshi Singla
- Artie McFerrin Dept. of Chemical Engineering; Texas A&M University; College Station TX 77840
| | - Hung-Jen Wu
- Artie McFerrin Dept. of Chemical Engineering; Texas A&M University; College Station TX 77840
| | - Joseph Sang-Il Kwon
- Artie McFerrin Dept. of Chemical Engineering; Texas A&M University; College Station TX 77840
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43
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Rodríguez-Pérez L, Ramos-Soriano J, Pérez-Sánchez A, Illescas BM, Muñoz A, Luczkowiak J, Lasala F, Rojo J, Delgado R, Martín N. Nanocarbon-Based Glycoconjugates as Multivalent Inhibitors of Ebola Virus Infection. J Am Chem Soc 2018; 140:9891-9898. [DOI: 10.1021/jacs.8b03847] [Citation(s) in RCA: 51] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Laura Rodríguez-Pérez
- Departamento de Química Orgánica, Facultad de Química, Universidad Complutense de Madrid, Avenida Complutense s/n, 28040 Madrid, Spain
| | - Javier Ramos-Soriano
- Departamento de Química Orgánica, Facultad de Química, Universidad Complutense de Madrid, Avenida Complutense s/n, 28040 Madrid, Spain
| | - Alfonso Pérez-Sánchez
- Departamento de Química Orgánica, Facultad de Química, Universidad Complutense de Madrid, Avenida Complutense s/n, 28040 Madrid, Spain
| | - Beatriz M. Illescas
- Departamento de Química Orgánica, Facultad de Química, Universidad Complutense de Madrid, Avenida Complutense s/n, 28040 Madrid, Spain
| | - Antonio Muñoz
- Departamento de Química Orgánica, Facultad de Química, Universidad Complutense de Madrid, Avenida Complutense s/n, 28040 Madrid, Spain
| | - Joanna Luczkowiak
- Laboratorio de Microbiología Molecular, Instituto de Investigación Hospital 12 de Octubre (imas12), 28041 Madrid, Spain
| | - Fátima Lasala
- Laboratorio de Microbiología Molecular, Instituto de Investigación Hospital 12 de Octubre (imas12), 28041 Madrid, Spain
| | - Javier Rojo
- Glycosystems Laboratory, Instituto de Investigaciones Químicas (IIQ), CSIC−Universidad de Sevilla, Avenida Américo Vespucio 49, 41092 Seville, Spain
| | - Rafael Delgado
- Laboratorio de Microbiología Molecular, Instituto de Investigación Hospital 12 de Octubre (imas12), 28041 Madrid, Spain
| | - Nazario Martín
- Departamento de Química Orgánica, Facultad de Química, Universidad Complutense de Madrid, Avenida Complutense s/n, 28040 Madrid, Spain
- IMDEA-Nanoscience, Campus Cantoblanco, 28049 Madrid, Spain
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44
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Howard E, Cousido‐Siah A, Lepage ML, Schneider JP, Bodlenner A, Mitschler A, Meli A, Izzo I, Alvarez HA, Podjarny A, Compain P. Structural Basis of Outstanding Multivalent Effects in Jack Bean α‐Mannosidase Inhibition. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201801202] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Eduardo Howard
- Department of Integrative BiologyInstitut de Génétique et de Biologie Moléculaire et CellulaireCNRSINSERM, UdS 1 rue Laurent Fries 67404 Illkirch CEDEX France
- Instituto de Física de Líquidos y Sistemas BiológicosCONICET, UNLP Calle 59 No. 789 La Plata Argentina
| | - Alexandra Cousido‐Siah
- Department of Integrative BiologyInstitut de Génétique et de Biologie Moléculaire et CellulaireCNRSINSERM, UdS 1 rue Laurent Fries 67404 Illkirch CEDEX France
| | - Mathieu L. Lepage
- Laboratoire d'Innovation Moléculaire et ApplicationsUniversité de Strasbourg
- Université de Haute-Alsace
- CNRS
- LIMA (UMR 7042)Equipe de Synthèse Organique et Molécules Bioactives (SYBIO)ECPM 25 rue Becquerel 67000 Strasbourg France
| | - Jérémy P. Schneider
- Laboratoire d'Innovation Moléculaire et ApplicationsUniversité de Strasbourg
- Université de Haute-Alsace
- CNRS
- LIMA (UMR 7042)Equipe de Synthèse Organique et Molécules Bioactives (SYBIO)ECPM 25 rue Becquerel 67000 Strasbourg France
| | - Anne Bodlenner
- Laboratoire d'Innovation Moléculaire et ApplicationsUniversité de Strasbourg
- Université de Haute-Alsace
- CNRS
- LIMA (UMR 7042)Equipe de Synthèse Organique et Molécules Bioactives (SYBIO)ECPM 25 rue Becquerel 67000 Strasbourg France
| | - André Mitschler
- Department of Integrative BiologyInstitut de Génétique et de Biologie Moléculaire et CellulaireCNRSINSERM, UdS 1 rue Laurent Fries 67404 Illkirch CEDEX France
| | - Alessandra Meli
- Department of Chemistry and Biology “A. Zambelli”University of Salerno Via Giovanni Paolo II, 132 84084 Fisciano, Salerno Italy
| | - Irene Izzo
- Department of Chemistry and Biology “A. Zambelli”University of Salerno Via Giovanni Paolo II, 132 84084 Fisciano, Salerno Italy
| | - H. Ariel Alvarez
- Instituto de Física de Líquidos y Sistemas BiológicosCONICET, UNLP Calle 59 No. 789 La Plata Argentina
| | - Alberto Podjarny
- Department of Integrative BiologyInstitut de Génétique et de Biologie Moléculaire et CellulaireCNRSINSERM, UdS 1 rue Laurent Fries 67404 Illkirch CEDEX France
| | - Philippe Compain
- Laboratoire d'Innovation Moléculaire et ApplicationsUniversité de Strasbourg
- Université de Haute-Alsace
- CNRS
- LIMA (UMR 7042)Equipe de Synthèse Organique et Molécules Bioactives (SYBIO)ECPM 25 rue Becquerel 67000 Strasbourg France
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45
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Howard E, Cousido-Siah A, Lepage ML, Schneider JP, Bodlenner A, Mitschler A, Meli A, Izzo I, Alvarez HA, Podjarny A, Compain P. Structural Basis of Outstanding Multivalent Effects in Jack Bean α-Mannosidase Inhibition. Angew Chem Int Ed Engl 2018; 57:8002-8006. [PMID: 29722924 DOI: 10.1002/anie.201801202] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2018] [Indexed: 12/28/2022]
Abstract
Multivalent design of glycosidase inhibitors is a promising strategy for the treatment of diseases involving enzymatic hydrolysis of glycosidic bonds in carbohydrates. An essential prerequisite for successful applications is the atomic-level understanding of how outstanding binding enhancement occurs with multivalent inhibitors. Herein we report the first high-resolution crystal structures of the Jack bean α-mannosidase (JBα-man) in apo and inhibited states. The three-dimensional structure of JBα-man in complex with the multimeric cyclopeptoid-based inhibitor displaying the largest binding enhancements reported so far provides decisive insight into the molecular mechanisms underlying multivalent effects in glycosidase inhibition.
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Affiliation(s)
- Eduardo Howard
- Department of Integrative Biology, Institut de Génétique et de Biologie Moléculaire et Cellulaire, CNRS, INSERM, UdS, 1 rue Laurent Fries, 67404, Illkirch CEDEX, France.,Instituto de Física de Líquidos y Sistemas Biológicos, CONICET, UNLP, Calle 59 No. 789, La Plata, Argentina
| | - Alexandra Cousido-Siah
- Department of Integrative Biology, Institut de Génétique et de Biologie Moléculaire et Cellulaire, CNRS, INSERM, UdS, 1 rue Laurent Fries, 67404, Illkirch CEDEX, France
| | - Mathieu L Lepage
- Laboratoire d'Innovation Moléculaire et Applications, Université de Strasbourg
- , Université de Haute-Alsace
- , CNRS
- , LIMA (UMR 7042), Equipe de Synthèse Organique et Molécules Bioactives (SYBIO), ECPM, 25 rue Becquerel, 67000, Strasbourg, France
| | - Jérémy P Schneider
- Laboratoire d'Innovation Moléculaire et Applications, Université de Strasbourg
- , Université de Haute-Alsace
- , CNRS
- , LIMA (UMR 7042), Equipe de Synthèse Organique et Molécules Bioactives (SYBIO), ECPM, 25 rue Becquerel, 67000, Strasbourg, France
| | - Anne Bodlenner
- Laboratoire d'Innovation Moléculaire et Applications, Université de Strasbourg
- , Université de Haute-Alsace
- , CNRS
- , LIMA (UMR 7042), Equipe de Synthèse Organique et Molécules Bioactives (SYBIO), ECPM, 25 rue Becquerel, 67000, Strasbourg, France
| | - André Mitschler
- Department of Integrative Biology, Institut de Génétique et de Biologie Moléculaire et Cellulaire, CNRS, INSERM, UdS, 1 rue Laurent Fries, 67404, Illkirch CEDEX, France
| | - Alessandra Meli
- Department of Chemistry and Biology "A. Zambelli", University of Salerno, Via Giovanni Paolo II, 132, 84084, Fisciano, Salerno, Italy
| | - Irene Izzo
- Department of Chemistry and Biology "A. Zambelli", University of Salerno, Via Giovanni Paolo II, 132, 84084, Fisciano, Salerno, Italy
| | - H Ariel Alvarez
- Instituto de Física de Líquidos y Sistemas Biológicos, CONICET, UNLP, Calle 59 No. 789, La Plata, Argentina
| | - Alberto Podjarny
- Department of Integrative Biology, Institut de Génétique et de Biologie Moléculaire et Cellulaire, CNRS, INSERM, UdS, 1 rue Laurent Fries, 67404, Illkirch CEDEX, France
| | - Philippe Compain
- Laboratoire d'Innovation Moléculaire et Applications, Université de Strasbourg
- , Université de Haute-Alsace
- , CNRS
- , LIMA (UMR 7042), Equipe de Synthèse Organique et Molécules Bioactives (SYBIO), ECPM, 25 rue Becquerel, 67000, Strasbourg, France
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46
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Mena-Barragán T, García-Moreno MI, Sevšek A, Okazaki T, Nanba E, Higaki K, Martin NI, Pieters RJ, Fernández JMG, Mellet CO. Probing the Inhibitor versus Chaperone Properties of sp²-Iminosugars towards Human β-Glucocerebrosidase: A Picomolar Chaperone for Gaucher Disease. Molecules 2018; 23:E927. [PMID: 29673163 PMCID: PMC6017062 DOI: 10.3390/molecules23040927] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2018] [Revised: 03/26/2018] [Accepted: 04/12/2018] [Indexed: 12/14/2022] Open
Abstract
A series of sp²-iminosugar glycomimetics differing in the reducing or nonreducing character, the configurational pattern (d-gluco or l-ido), the architecture of the glycone skeleton, and the nature of the nonglycone substituent has been synthesized and assayed for their inhibition properties towards commercial glycosidases. On the basis of their affinity and selectivity towards GH1 β-glucosidases, reducing and nonreducing bicyclic derivatives having a hydroxylation profile of structural complementarity with d-glucose and incorporating an N′-octyl-isourea or -isothiourea segment were selected for further evaluation of their inhibitory/chaperoning potential against human glucocerebrosidase (GCase). The 1-deoxynojirimycin (DNJ)-related nonreducing conjugates behaved as stronger GCase inhibitors than the reducing counterparts and exhibited potent chaperoning capabilities in Gaucher fibroblasts hosting the neuronopathic G188S/G183W mutation, the isothiourea derivative being indeed one of the most efficient chaperone candidates reported up to date (70% activity enhancement at 20 pM). At their optimal concentration, the four selected compounds promoted mutant GCase activity enhancements over 3-fold; yet, the inhibitor/chaperoning balance became unfavorable at much lower concentration for nonreducing as compared to reducing derivatives.
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Affiliation(s)
- Teresa Mena-Barragán
- Department of Organic Chemistry, Faculty of Chemistry, University of Sevilla, C/Profesor García González 1, 41011 Sevilla, Spain.
| | - M Isabel García-Moreno
- Department of Organic Chemistry, Faculty of Chemistry, University of Sevilla, C/Profesor García González 1, 41011 Sevilla, Spain.
| | - Alen Sevšek
- Department of Chemical Biology & Drug Discovery, Utrecht Institute for Pharmaceutical Sciences, Utrecht University, Universiteitsweg 99, 3584 CG Utrecht, The Netherlands.
| | - Tetsuya Okazaki
- Division of Child Neurology, Department of Brain and Neurosciences, Faculty of Medicine, Tottori University, Yonago 680-8550, Japan.
| | - Eiji Nanba
- Division of Functional Genomics, Research Center for Bioscience and Technology, Tottori University, 86 Nishi-cho, Yonago 683-8503, Japan.
| | - Katsumi Higaki
- Division of Functional Genomics, Research Center for Bioscience and Technology, Tottori University, 86 Nishi-cho, Yonago 683-8503, Japan.
| | - Nathaniel I Martin
- Department of Chemical Biology & Drug Discovery, Utrecht Institute for Pharmaceutical Sciences, Utrecht University, Universiteitsweg 99, 3584 CG Utrecht, The Netherlands.
| | - Roland J Pieters
- Department of Chemical Biology & Drug Discovery, Utrecht Institute for Pharmaceutical Sciences, Utrecht University, Universiteitsweg 99, 3584 CG Utrecht, The Netherlands.
| | - José M García Fernández
- Instituto de Investigaciones Químicas (IIQ), CSIC-University of Sevilla, Avda. Americo Vespucio 49, 41092 Sevilla, Spain.
| | - Carmen Ortiz Mellet
- Department of Organic Chemistry, Faculty of Chemistry, University of Sevilla, C/Profesor García González 1, 41011 Sevilla, Spain.
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47
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Carmona AT, Carrión-Jiménez S, Pingitore V, Moreno-Clavijo E, Robina I, Moreno-Vargas AJ. Harnessing pyrrolidine iminosugars into dimeric structures for the rapid discovery of divalent glycosidase inhibitors. Eur J Med Chem 2018; 151:765-776. [PMID: 29674295 DOI: 10.1016/j.ejmech.2018.04.008] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2018] [Revised: 03/12/2018] [Accepted: 04/03/2018] [Indexed: 11/29/2022]
Abstract
The synthesis of three libraries (1a-l, 1a'-l' and 2a-l) of dimeric iminosugars through CuAAC reaction between three different alkynyl pyrrolidines and a set of diazides was carried out. The resulting crude dimers were screened in situ against two α-fucosidases (libraries 1a-l and 1a'-l') and one β-galactosidase (2a-l). This method is pioneer in the search of divalent glycosidase inhibitors. It has allowed the rapid identification of dimer 1i as the best inhibitor of α-fucosidases from bovine kidney (Ki = 0.15 nM) and Homo sapiens (Ki = 60 nM), and dimer 2e as the best inhibitor of β-galactosidase from bovine liver (Ki = 5.8 μM). In order to evaluate a possible divalent effect in the inhibition, the synthesis and biological analysis of the reference monomers were also performed. Divalent effect was only detected in the inhibition of bovine liver β-galactosidase by dimer 2e.
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Affiliation(s)
- Ana T Carmona
- Department of Organic Chemistry, Faculty of Chemistry, University of Seville, C/ Prof. García González, 1, 41012, Seville, Spain
| | - Sebastián Carrión-Jiménez
- Department of Organic Chemistry, Faculty of Chemistry, University of Seville, C/ Prof. García González, 1, 41012, Seville, Spain
| | - Valeria Pingitore
- Department of Organic Chemistry, Faculty of Chemistry, University of Seville, C/ Prof. García González, 1, 41012, Seville, Spain
| | - Elena Moreno-Clavijo
- Department of Organic Chemistry, Faculty of Chemistry, University of Seville, C/ Prof. García González, 1, 41012, Seville, Spain
| | - Inmaculada Robina
- Department of Organic Chemistry, Faculty of Chemistry, University of Seville, C/ Prof. García González, 1, 41012, Seville, Spain
| | - Antonio J Moreno-Vargas
- Department of Organic Chemistry, Faculty of Chemistry, University of Seville, C/ Prof. García González, 1, 41012, Seville, Spain.
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48
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Nierengarten JF. Fullerene hexa-adduct scaffolding for the construction of giant molecules. Chem Commun (Camb) 2018; 53:11855-11868. [PMID: 29051931 DOI: 10.1039/c7cc07479d] [Citation(s) in RCA: 40] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Hexa-substituted fullerenes are unique scaffolds for the fast construction of globular dendrimers. Efficient synthetic methodologies based on the post-functionalization of pre-constructed fullerene hexa-adduct derivatives have been reported in recent years and dendrimers difficult or even impossible to prepare by classical fullerene chemistry are now easily accessible. Fullerodendrimers for various applications have been thus prepared. Examples include liquid crystalline materials, non-viral gene delivery systems and bioactive glycoclusters. On the other hand, fullerene hexa-adduct building blocks have been used for the ultra-fast synthesis of giant dendrimers. Indeed, the resulting dendrimers of first generation are already surrounded by 120 peripheral functional groups. This strategy has been used to prepare giant glycoclusters with anti-viral activity and multivalent glycosidase inhibitors.
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Affiliation(s)
- Jean-François Nierengarten
- Laboratoire de Chimie des Matériaux Moléculaires, Université de Strasbourg et CNRS (UMR 7509), Ecole Européenne de Chimie, Polymères et Matériaux (ECPM), 25 rue Becquerel, 67087 Strasbourg Cedex 2, France.
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49
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Nierengarten JF, Schneider JP, Trinh TMN, Joosten A, Holler M, Lepage ML, Bodlenner A, García-Moreno MI, Ortiz Mellet C, Compain P. Giant Glycosidase Inhibitors: First- and Second-Generation Fullerodendrimers with a Dense Iminosugar Shell. Chemistry 2018; 24:2483-2492. [DOI: 10.1002/chem.201705600] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2017] [Indexed: 02/06/2023]
Affiliation(s)
- Jean-François Nierengarten
- Laboratoire de Chimie des Matériaux Moléculaires; Université de Strasbourg et CNRS (UMR 7509); Ecole Européenne de Chimie, Polymères et Matériaux; 25 rue Becquerel 67087 Strasbourg Cedex 2 France
| | - Jérémy P. Schneider
- Laboratoire de Synthèse Organique et Molécules Bioactives; Université de Strasbourg et CNRS (UMR 7509); Ecole Européenne de Chimie, Polymères et Matériaux; 25 rue Becquerel 67087 Strasbourg Cedex 2 France
| | - Thi Minh Nguyet Trinh
- Laboratoire de Chimie des Matériaux Moléculaires; Université de Strasbourg et CNRS (UMR 7509); Ecole Européenne de Chimie, Polymères et Matériaux; 25 rue Becquerel 67087 Strasbourg Cedex 2 France
| | - Antoine Joosten
- Laboratoire de Synthèse Organique et Molécules Bioactives; Université de Strasbourg et CNRS (UMR 7509); Ecole Européenne de Chimie, Polymères et Matériaux; 25 rue Becquerel 67087 Strasbourg Cedex 2 France
| | - Michel Holler
- Laboratoire de Chimie des Matériaux Moléculaires; Université de Strasbourg et CNRS (UMR 7509); Ecole Européenne de Chimie, Polymères et Matériaux; 25 rue Becquerel 67087 Strasbourg Cedex 2 France
| | - Mathieu L. Lepage
- Laboratoire de Synthèse Organique et Molécules Bioactives; Université de Strasbourg et CNRS (UMR 7509); Ecole Européenne de Chimie, Polymères et Matériaux; 25 rue Becquerel 67087 Strasbourg Cedex 2 France
| | - Anne Bodlenner
- Laboratoire de Synthèse Organique et Molécules Bioactives; Université de Strasbourg et CNRS (UMR 7509); Ecole Européenne de Chimie, Polymères et Matériaux; 25 rue Becquerel 67087 Strasbourg Cedex 2 France
| | - M. Isabel García-Moreno
- Departamento de Química Orgánica; Facultad de Química; Universidad de Sevilla; Profesor García González 1 41012 Sevilla Spain
| | - Carmen Ortiz Mellet
- Departamento de Química Orgánica; Facultad de Química; Universidad de Sevilla; Profesor García González 1 41012 Sevilla Spain
| | - Philippe Compain
- Laboratoire de Synthèse Organique et Molécules Bioactives; Université de Strasbourg et CNRS (UMR 7509); Ecole Européenne de Chimie, Polymères et Matériaux; 25 rue Becquerel 67087 Strasbourg Cedex 2 France
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50
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Pifferi C, Thomas B, Goyard D, Berthet N, Renaudet O. Heterovalent Glycodendrimers as Epitope Carriers for Antitumor Synthetic Vaccines. Chemistry 2017; 23:16283-16296. [PMID: 28845889 PMCID: PMC6175327 DOI: 10.1002/chem.201702708] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2017] [Indexed: 01/01/2023]
Abstract
The large majority of TACA-based (TACA=Tumor-Associated Carbohydrate Antigens) antitumor vaccines target only one carbohydrate antigen, thereby often resulting in the incomplete destruction of cancer cells. However, the morphological heterogeneity of the tumor glycocalix, which is in constant evolution during malignant transformation, is a crucial point to consider in the design of vaccine candidates. In this paper, an efficient synthetic strategy based on orthogonal chemoselective ligations to prepare fully synthetic glycosylated cyclopeptide scaffolds grafted with both Tn and TF antigen analogues is reported. To evaluate their ability to be recognized as tumor antigens, direct interaction ELISA assays have been performed with the anti-Tn monoclonal antibody 9A7. Although both heterovalent structures showed binding capacities with 9A7, the presence of the second TF epitope did not interfere with the recognition of Tn except in one epitope arrangement. This heterovalent glycosylated structure thus represents an attractive epitope carrier to be further functionalized with T-cell peptide epitopes.
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Affiliation(s)
- Carlo Pifferi
- Univ. Grenoble AlpesCNRSDCM UMR 525038000GrenobleFrance
| | | | - David Goyard
- Univ. Grenoble AlpesCNRSDCM UMR 525038000GrenobleFrance
| | | | - Olivier Renaudet
- Univ. Grenoble AlpesCNRSDCM UMR 525038000GrenobleFrance
- Institut Universitaire de France103 boulevard Saint-Michel75005ParisFrance
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