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Wegrecki M. CD1a-mediated immunity from a molecular perspective. Mol Immunol 2023; 158:43-53. [PMID: 37116273 DOI: 10.1016/j.molimm.2023.04.010] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2022] [Revised: 03/24/2023] [Accepted: 04/24/2023] [Indexed: 04/30/2023]
Abstract
Human CD1a is a non-polymorphic glycoprotein that presents lipid antigens to T cells. The most obvious role of CD1a is associated with its expression on Langerhans cells in epidermis, where it is involved in responses to pathogens. Antigen-specific T cells are believed to co-recognise CD1a presenting bacterial antigens such as species of lipopeptides from Mycobacterium tuberculosis. Further, human skin contains large amount of endogenous lipids that can activate distinct subsets of CD1a-restricted autoreactive T cells, mostly belonging to the αβ lineage, which are abundant in human blood and skin and are important for skin homeostasis in healthy individuals. CD1a and CD1a-restricted T cells have been linked to certain autoimmune conditions such as psoriasis, atopic dermatitis and contact hypersensitivity becoming a potential candidate for clinical interventions. A significant progress has been made in the last twenty years towards our understanding of the molecular processes that orchestrate CD1a-lipid binding, antigen presentation and mechanism of CD1a recognition by αβ and γδ T cells. This review summarises the recent developments within the field of CD1a-mediated immunity from a molecular perspective.
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Affiliation(s)
- Marcin Wegrecki
- Infection and Immunity Program and Department of Biochemistry and Molecular Biology, Biomedicine Discovery Institute, Monash University, Clayton, Victoria, Australia.
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2
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Danglad-Flores J, Leichnitz S, Sletten ET, Abragam Joseph A, Bienert K, Le Mai Hoang K, Seeberger PH. Microwave-Assisted Automated Glycan Assembly. J Am Chem Soc 2021; 143:8893-8901. [PMID: 34060822 PMCID: PMC8213053 DOI: 10.1021/jacs.1c03851] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
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Automated synthesis
of DNA, RNA, and peptides provides quickly
and reliably important tools for biomedical research. Automated glycan
assembly (AGA) is significantly more challenging, as highly branched
carbohydrates require strict regio- and stereocontrol during synthesis.
A new AGA synthesizer enables rapid temperature adjustment from −40
to +100 °C to control glycosylations at low temperature and accelerates
capping, protecting group removal, and glycan modifications using
elevated temperatures. Thereby, the temporary protecting group portfolio
is extended from two to four orthogonal groups that give rise to oligosaccharides
with up to four branches. In addition, sulfated glycans and unprotected
glycans can be prepared. The new design reduces the typical coupling
cycles from 100 to 60 min while expanding the range of accessible
glycans. The instrument drastically shortens and generalizes the synthesis
of carbohydrates for use in biomedical and material science.
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Affiliation(s)
- José Danglad-Flores
- Department of Biomolecular Systems, Max-Planck-Institute of Colloids and Interfaces, 14476 Potsdam, Germany
| | - Sabrina Leichnitz
- Department of Biomolecular Systems, Max-Planck-Institute of Colloids and Interfaces, 14476 Potsdam, Germany.,Institute of Chemistry and Biochemistry, Freie Universität Berlin, 14195 Berlin, Germany
| | - Eric T Sletten
- Department of Biomolecular Systems, Max-Planck-Institute of Colloids and Interfaces, 14476 Potsdam, Germany
| | - A Abragam Joseph
- Department of Biomolecular Systems, Max-Planck-Institute of Colloids and Interfaces, 14476 Potsdam, Germany
| | - Klaus Bienert
- Max-Planck-Institute of Colloids and Interfaces, 14476 Potsdam, Germany
| | - Kim Le Mai Hoang
- GlycoUniverse GmbH & Co KGaA, Am Mühlenberg 11, 14476 Potsdam, Germany
| | - Peter H Seeberger
- Department of Biomolecular Systems, Max-Planck-Institute of Colloids and Interfaces, 14476 Potsdam, Germany.,Institute of Chemistry and Biochemistry, Freie Universität Berlin, 14195 Berlin, Germany
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3
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Abstract
The present review offers an overview of nonclassical (e.g., with no pre- or in situ activation of a carboxylic acid partner) approaches for the construction of amide bonds. The review aims to comprehensively discuss relevant work, which was mainly done in the field in the last 20 years. Organization of the data follows a subdivision according to substrate classes: catalytic direct formation of amides from carboxylic and amines ( section 2 ); the use of carboxylic acid surrogates ( section 3 ); and the use of amine surrogates ( section 4 ). The ligation strategies (NCL, Staudinger, KAHA, KATs, etc.) that could involve both carboxylic acid and amine surrogates are treated separately in section 5 .
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Affiliation(s)
- Renata Marcia de Figueiredo
- Institut Charles Gerhardt de Montpellier (ICGM), UMR 5253-CNRS-UM-ENSCM, Ecole Nationale Supérieure de Chimie , 8 rue de l'Ecole Normale, 34296 Montpellier Cedex 5, France
| | - Jean-Simon Suppo
- Institut Charles Gerhardt de Montpellier (ICGM), UMR 5253-CNRS-UM-ENSCM, Ecole Nationale Supérieure de Chimie , 8 rue de l'Ecole Normale, 34296 Montpellier Cedex 5, France
| | - Jean-Marc Campagne
- Institut Charles Gerhardt de Montpellier (ICGM), UMR 5253-CNRS-UM-ENSCM, Ecole Nationale Supérieure de Chimie , 8 rue de l'Ecole Normale, 34296 Montpellier Cedex 5, France
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4
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5
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Ágoston K, Watt GM, Fügedi P. A new set of orthogonal protecting groups on a monosaccharide scaffold. Tetrahedron Lett 2015. [DOI: 10.1016/j.tetlet.2015.07.015] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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6
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Li Y, Yin Z, Wang B, Meng XB, Li ZJ. Synthesis of orthogonally protected l-glucose, l-mannose, and l-galactose from d-glucose. Tetrahedron 2012. [DOI: 10.1016/j.tet.2012.04.001] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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7
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Compostella F, Panza L, Ronchetti F. The mammalian sulfated glycolipid sulfatide: Synthesis and biological implications. CR CHIM 2012. [DOI: 10.1016/j.crci.2011.09.011] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/15/2022]
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8
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Marín I, Castilla J, Matheu MI, Díaz Y, Castillón S. Sequential Directed Epoxydation-Acidolysis from Glycals with MCPBA. A Flexible Approach to Protected Glycosyl Donors. J Org Chem 2011; 76:9622-9. [DOI: 10.1021/jo201165v] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Irene Marín
- Departament de Química Analítica i Química Orgànica, Universitat Rovira i Virgili, C/Marcel·lí Domingo s/n, 43007 Tarragona, Spain
| | - Javier Castilla
- Departament de Química Analítica i Química Orgànica, Universitat Rovira i Virgili, C/Marcel·lí Domingo s/n, 43007 Tarragona, Spain
| | - M. Isabel Matheu
- Departament de Química Analítica i Química Orgànica, Universitat Rovira i Virgili, C/Marcel·lí Domingo s/n, 43007 Tarragona, Spain
| | - Yolanda Díaz
- Departament de Química Analítica i Química Orgànica, Universitat Rovira i Virgili, C/Marcel·lí Domingo s/n, 43007 Tarragona, Spain
| | - Sergio Castillón
- Departament de Química Analítica i Química Orgànica, Universitat Rovira i Virgili, C/Marcel·lí Domingo s/n, 43007 Tarragona, Spain
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9
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Banchet-Cadeddu A, Hénon E, Dauchez M, Renault JH, Monneaux F, Haudrechy A. The stimulating adventure of KRN 7000. Org Biomol Chem 2011; 9:3080-104. [DOI: 10.1039/c0ob00975j] [Citation(s) in RCA: 115] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
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10
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Bindl M, Jean L, Herrmann J, Müller R, Fürstner A. Preparation, Modification, and Evaluation of Cruentaren A and Analogues. Chemistry 2009; 15:12310-9. [DOI: 10.1002/chem.200901817] [Citation(s) in RCA: 42] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
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11
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Matto P, Modica E, Franchini L, Facciotti F, Mori L, de Libero G, Lombardi G, Fallarini S, Panza L, Compostella F, Ronchetti F. A General and Stereoselective Route to α- or β-Galactosphingolipids via a Common Four-Carbon Building Block. J Org Chem 2007; 72:7757-60. [PMID: 17784770 DOI: 10.1021/jo070849z] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
A general synthetic strategy toward alpha- or beta-galactosylceramides and their analogues from 3-azido-2-O-benzyl-1-O-(4-methoxybenzyl)butane-1,2,4-triol is described. The key steps for the installation of the main lipid chain are either a diasteroselective alkynylation reaction yielding the 4R stereocenter of phytosphingosine or a Wittig olefination generating the trans double bond of sphingosine. The methodology allows the preparation of different glycolipids with variations in the structure of the sphingoid base. In particular, three alpha-GalCer-related compounds have been synthesized and evaluated for their ability to activate CD1d-restricted T-cells.
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Affiliation(s)
- Pamela Matto
- Dipartimento di Chimica, Biochimica e Biotecnologie per la Medicina, Università di Milano, Via Saldini 50, 20133-Milano, Italy
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12
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Franchini L, Matto P, Ronchetti F, Panza L, Barbieri L, Costantino V, Mangoni A, Cavallari M, Mori L, De Libero G. Synthesis and evaluation of human T cell stimulating activity of an alpha-sulfatide analogue. Bioorg Med Chem 2007; 15:5529-36. [PMID: 17544671 DOI: 10.1016/j.bmc.2007.05.044] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2007] [Revised: 05/11/2007] [Accepted: 05/18/2007] [Indexed: 10/23/2022]
Abstract
A concise synthesis of alpha-sulfatide 1, an analogue of natural glycolipid antigens with potential anti-tumor activity, was performed. Two different approaches to the alpha-glycosidic bond were explored, resulting in a high yield and excellent stereoselectivity. Compound 1 combines the structural features of sulfated beta-GalCer (sulfatide) and alpha-GalCer, which activate specific T cells. alpha-Sulfatide 1 was stimulatory for CD1d-restricted semi-invariant Natural Killer T (iNKT) cell clones, although less potent than alpha-GalCer, while it was not recognized by CD1a-restricted sulfatide-specific T cells.
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Affiliation(s)
- Laura Franchini
- Dipartimento di Chimica, Biochimica e Biotecnologie per la Medicina, Università di Milano, Via Saldini 50, 20133 Milano, Italy
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13
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Hernández-Gay JJ, Panza L, Ronchetti F, Cañada FJ, Compostella F, Jiménez-Barbero J. The conformational behaviour of the C-glycosyl analogue of sulfatide studied by NMR in SDS micelles. Carbohydr Res 2007; 342:1966-73. [PMID: 17511975 DOI: 10.1016/j.carres.2007.04.023] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2007] [Revised: 04/16/2007] [Accepted: 04/22/2007] [Indexed: 10/23/2022]
Abstract
The conformational behaviour of sulfatide and its C-glycosyl analogue has been studied by using a combination of J and NOE data assisted by molecular mechanics calculations. There is a major exoanomeric conformation around the phi angle of both molecules with two or three conformers contributing to the equilibrium around psi. The MM3* calculations only provide a qualitative description of the actual population distribution. Despite this geometrical similarity, the quantitative analysis of the NOE intensities at a variety of mixing times indicates that the motion around the pseudoglycosidic linkages of the C-glycosyl analogue is faster than that for the natural compound.
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Affiliation(s)
- José Juan Hernández-Gay
- Departamento de Ciencia de Proteínas, Centro de Investigaciones Biológicas, CSIC, Ramiro de Maeztu 9, 28040 Madrid, Spain
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Morales-Serna JA, Boutureira O, Díaz Y, Matheu MI, Castillón S. Recent advances in the glycosylation of sphingosines and ceramides. Carbohydr Res 2007; 342:1595-612. [PMID: 17482586 DOI: 10.1016/j.carres.2007.03.028] [Citation(s) in RCA: 52] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2007] [Revised: 03/27/2007] [Accepted: 03/31/2007] [Indexed: 12/31/2022]
Abstract
Glycosphingolipids (GSLs) are ubiquitous components of eukaryotic cell membranes. They are highly bioactive and are involved in many aspects of cell signalling like cell-cell interaction, cell-substratum interaction and cell-pathogen interaction. GSLs also are involved in the modulation of signal transduction, resulting in regulation of cell proliferation and differentiation. The biological importance and complexity of these compounds afford many opportunities to prepare synthetic analogues for studies of their metabolism in intra- and intercellular processes. This review focuses on recent contributions in the synthesis of GSLs, highlighting improvements in glycosylation reactions leading to alpha and beta glycosyl sphingosines and ceramides and related compounds. Literature from 2000 to the present is covered. The glycosylation reactions leading to the synthesis of GSLs are classified in function of the configuration of the created glycosidic bond (alpha or beta) and of the acceptor used, either azido-sphingosine or ceramide.
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Affiliation(s)
- José Antonio Morales-Serna
- Departament de Química Analítica i Química Orgànica, Facultat de Química, Universitat Rovira i Virgili, C/Marcelí Domingo s/n, 43005 Tarragona, Spain
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