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Ion chromatography-mass spectrometry: A review of recent technologies and applications in forensic and environmental explosives analysis. Anal Chim Acta 2014; 806:27-54. [DOI: 10.1016/j.aca.2013.10.047] [Citation(s) in RCA: 108] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2013] [Revised: 10/21/2013] [Accepted: 10/27/2013] [Indexed: 11/18/2022]
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Strategies for analysis of the glycosylation of proteins: current status and future perspectives. Mol Biotechnol 2009; 43:76-88. [PMID: 19507069 DOI: 10.1007/s12033-009-9184-6] [Citation(s) in RCA: 46] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2009] [Accepted: 04/30/2009] [Indexed: 01/27/2023]
Abstract
More than half of human proteins are glycosylated by a bewildering array of complex and heterogeneous N- and O-linked glycans. They function in myriad biological processes, including cell adhesion and signalling and influence the physical characteristics, stability, function, activity and immunogenicity of soluble glycoproteins. A single protein may be glycosylated differently to yield heterogenous glycoforms. Glycosylation analysis is of increasing interest in biomedical and biological research, the pharmaceutical and healthcare industry and biotechnology. This is because it is increasingly apparent that glycosylation changes in diseases, such as cancer, making it a promising target for development of clinically useful biomarkers and therapeutics. Furthermore, as the non-human cells employed in expression systems glycosylate their proteins very differently to human cells, and as glycosylation changes unpredictably under changing environmental conditions, glycans analysis for quality control, optimum efficacy and safety of recombinant glycoproteins destined for human therapeutic use is paramount. The complexities of carbohydrate chemistry make analysis challenging and while there are a variety of robust methodologies available for glycan analysis, there is currently a pressing need for the development of new, streamlined, high throughput approaches accessible to non-specialist laboratories.
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Guignard C, Jouve L, Bogéat-Triboulot MB, Dreyer E, Hausman JF, Hoffmann L. Analysis of carbohydrates in plants by high-performance anion-exchange chromatography coupled with electrospray mass spectrometry. J Chromatogr A 2005; 1085:137-42. [PMID: 16106860 DOI: 10.1016/j.chroma.2005.05.068] [Citation(s) in RCA: 91] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
A mass spectrometer was coupled to high-performance anion-exchange chromatography (HPAEC) with the help of electrochemical neutralization of the eluent and post-column addition of lithium chloride for carbohydrate analysis. Parallel selective channels (single ion monitoring) were used to decrease the detection limits and separate unresolved peaks. The mass specific detection allowed the simultaneous analysis of a wide range of sugar alcohols, mono-, di- and oligosaccharides. Carbohydrates extracted from leaves of poplar submitted to drought stress were analyzed using pulsed amperometric detection (PAD), then mass spectrometry. It allowed the confirmation of peak attribution and the identification of salicin as a major compound in the extracts. Different responses to water deficit and re-hydration were obtained for several carbohydrates, suggesting different roles in osmoprotection processes.
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Affiliation(s)
- Cédric Guignard
- Public Research Center--Gabriel Lippmann, Environment and Biotechnologies Research Unit, 41 rue du Brill, L-4422 Belvaux, Luxembourg.
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Zhang J, Lindsay LL, Hedrick JL, Lebrilla CB. Strategy for Profiling and Structure Elucidation of Mucin-Type Oligosaccharides by Mass Spectrometry. Anal Chem 2004; 76:5990-6001. [PMID: 15481946 DOI: 10.1021/ac049666s] [Citation(s) in RCA: 44] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
A strategy combining accurate mass determination, tandem mass spectrometry, structure homology, and exoglycosidases is described that allows the structural characterization of mucin-type O-linked oligosaccharides. The method is used to profile with quantitation the O-linked oligosaccharide (both neutral and anionic) components of the only diploid Xenopus frog, Xenopus tropicalis. Collision-induced dissociation was used to determine connectivity, to identify previously characterized oligosaccharides, and to determine the presence of structural motifs in unknown oligosaccharides. Exoglycosidase digestion was used to identify the individual residues along with the linkages. The enzymes were also used to cleave larger oligosaccharides to smaller units that are similar to previously elucidated components. By using CID, isomeric structures were compared to determine whether they were identical. In this way, the exoglycosidases were more effectively used, and their use was minimized. A total of 35 oligosaccharides including neutral, sialylated, and sulfated were characterized in this way. The relative abundances of all components were also determined based on HPLC.
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Affiliation(s)
- Jinhua Zhang
- Department of Chemistry and School of Medicine, Biological Chemistry, and Department of Animal Science, University of California at Davis, Davis, California 95616, USA
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Florea D, Maes E, Haddad M, Strecker G. Structural analysis of the oligosaccharide alditols released from the jelly coat of Rana dalmatina eggs by reductive beta-elimination. Biochimie 2002; 84:611-24. [PMID: 12453633 DOI: 10.1016/s0300-9084(02)01432-3] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
A combination of ion-exchange chromatography and high performance liquid chromatography (HPLC) has been used to separate the reduced oligosaccharides produced by alkaline borohydride degradation of oviducal mucins obtained from the jelly coat of Rana dalmatina. The primary structures of 26 O-glycans were determined by one-dimensional and two-dimensional 1H and 1H13C NMR spectroscopy. As observed for 20 other amphibian species, these carbohydrate chains are highly species-specific. The main typical feature of the species R. dalmatina consists in the presence of the backbone Gal(beta1-3)[Gal(beta1-4)]Gal(beta1-3)GalNAc-ol, previously observed among Ranidae, such as R. temporaria and R. ridibunda. Nevertheless, the nature of carbohydrates present at the periphery of the glycans perfectly differentiates the three species.
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Affiliation(s)
- Doina Florea
- Departamentul de Biochimie, Facultatea de Biologie, Universitatea din Bucuresti, Splaiul Independentei 91-95, 76201 Bucuresti, Romania
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Delplace F, Maes E, Lemoine J, Strecker G. Species specificity of O-linked carbohydrate chains of the oviducal mucins in amphibians: structural analysis of neutral oligosaccharide alditols released by reductive beta-elimination from the egg-jelly coats of Rana clamitans. Biochem J 2002; 363:457-71. [PMID: 11964146 PMCID: PMC1222498 DOI: 10.1042/0264-6021:3630457] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
The extracellular matrix (the so-called jelly coat) surrounding amphibian eggs mainly comprises highly O-glycosylated proteins. These oviducal mucins have an important role in the fertilization process, and their carbohydrate chains are remarkably species-specific. Alkaline reductive treatment of the jelly-coat material of the frog Rana clamitans led to the release of oligosaccharide alditols. The neutral oligosaccharide alditols were fractionated and purified by successive chromatographic techniques. The structures of 27 of them, ranging from three to sixteen monosaccharides, were established by a combination of NMR spectroscopy, methylation analyses and matrix-assisted laser-desorption ionization-time of flight MS. Typically, some of the neutral compounds appeared to possess the core structure: Gal(beta1-3)[GlcNAc(beta1-6)]Gal(beta1-3)[GlcNAc(beta1-6)]GalNAc-ol (where GalNAc-ol represents N-acetylgalactosaminitol). Moreover, a novel type of chain termination, characterized by an unusual sequence [Fuc(alpha1-2)Gal(alpha1-3)Gal(alpha1-4)Gal(beta1-3/4)] was observed. Indeed, the most complex representative structure of this series was found to be: Fuc(alpha1-2)Gal(alpha1-3)Gal(alpha1-4)Gal(beta1-3)[Fuc(alpha1-2)Gal(alpha1-3)Gal(alpha1-4)Gal(beta1-4)GlcNAc(beta1-6)]Gal(beta1-3)[Fuc(alpha1-2)Gal(alpha1-3)Gal(alpha1-4)Gal(beta1-4)GlcNAc(beta1-6)]GalNAc-ol.
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Affiliation(s)
- Florence Delplace
- Laboratoire de Glycobiologie Structurale et Fonctionnelle, Unité Mixte de Recherche du CNRS 8576, Université des Sciences et Technologies de Lille, 59655 Villeneuve d'Ascq cedex, France
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Affiliation(s)
- Yehia Mechref
- Department of Chemistry, Indiana University, Bloomington, Indiana 47405, USA
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Mourad R, Morelle W, Neveu A, Strecker G. Diversity of O-linked glycosylation patterns between species. Characterization of 25 carbohydrate chains from oviducal mucins of Rana ridibunda. EUROPEAN JOURNAL OF BIOCHEMISTRY 2001; 268:1990-2003. [PMID: 11277921 DOI: 10.1046/j.1432-1327.2001.02071.x] [Citation(s) in RCA: 30] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
Amphibia egg jelly coats are formed by components secreted along the oviduct. These secretion products overlay the oocytes as they pass along the different oviducal portions. Mucin type glycoproteins are the major constituents of the egg jelly coats. In this study, the O-linked carbohydrate chains of the jelly coats surrounding the eggs of Rana ridibunda were released by alkaline borohydride treatment. Fractionation of the mixture of O-linked oligosaccharide-alditols was achieved by a combination of chromatographic techniques including gel-permeation chromatography, ion-exchange chromatography and high-performance liquid chromatography using an amino-bonded silica column. The primary structures of these O-glycans were determined by one-dimensional and two-dimensional 1H-NMR spectroscopy and matrix-assisted laser-desorption-ionization-time-of flight mass spectrometry. 25 oligosaccharide structures, possessing a core consisting of Gal(beta1-3)GalNAc-ol with or without branching through a GlcNAc residue linked (beta1-6) to the GalNAc residue (core type 2 or core type 1, respectively) are described. The most representative antennae are: HSO3(6)[Fuc(alpha1-3)]GlcNAc; Gal(beta1-2)Gal; Gal(beta1-2)Gal(alpha1-3)[Fuc(alpha1-2)]Gal; GlcA(beta1-3)-Gal(beta1-3)[Fuc(alpha1-2)]Gal; GalNAc(alpha1-4)Gal(beta1-4)Gal; Gal(beta1-3)GalNAc(alpha1-4)Gal(beta1-4)Gal and GlcA(beta1-3)Gal(beta1-3)GalNAc. These results confirm the species-specific O-glycosylation of Amphibia oviducal mucins. The significance of this observation should be linked to a symbiotic role of carbohydrates involved in host-parasite interactions.
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Affiliation(s)
- R Mourad
- Laboratoire de Chimie Biologique, Unité Mixte de Recherche du Centre National de Recherche Scientifique no 8576, Université des Sciences et Technologies de Lille, Flandres Artois, Villeneuve d'Ascq, France
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Jones C, Previato JO, Mendonça-Previato L. NMR assignments for glucosylated and galactosylated N-acetylhexosaminitols: oligosaccharide alditols related to O-linked glycans from the protozoan parasite Trypanosoma cruzi. Carbohydr Res 2000; 328:321-30. [PMID: 11072839 DOI: 10.1016/s0008-6215(00)00107-5] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
We report full 1H and 13C NMR assignments for 13 gluco- or galacto-pyranosylated derivatives of GlcNAc-ol, GalNAc-ol or ManNAc-ol, many of which have been prepared by enzymatic methods. These spectra are reference data to aid the structural analysis by NMR spectroscopy of glycosylated alditols derived from the mucin of the protozoan parasite Trypanosoma cruzi. A series of structural reporter groups for the derivatives from this unusual series of O-glycans are described.
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Affiliation(s)
- C Jones
- Laboratory for Molecular Structure, National Institute for Biological Standards and Control, South Mimms, Herts, UK.
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Abstract
Glycans can be O-linked to proteins via the hydroxyl group of serine, threonine, tyrosine, hydroxylysine or hydroxyproline. Sometimes the glycan is O-linked to the hydroxyl group via a phosphodiester bond. The core monosaccharide residue may be N-acetylgalactosamine, N-acetylglucosamine, galactose, glucose, fucose, mannose, xylose or arabinose. These O-linked glycans can remain as a monosaccharide, but often a complex structure is built up by stepwise addition of monosaccharides. Monosaccharides known to be added include galactose, N-acetylglucosamine, fucose, N-acetylneuraminic acid, N-glycolylneuraminic acid and 2-keto-3-deoxynonulosonic acid. O-linked glycans can also contain sulfate and phosphate residues. This leads to the possibility of the existence of numerous O-glycan structures. The biological O-linked database (BOLD) is a relational database that contains information on O-linked glycan structures, their biological sources (with a link to the SWISS-PROT protein database), the references in which the glycan was described (with a link to MEDLINE), and the methods used to determine the glycan structure. The database provides a valuable resource for glycobiology researchers interested in O-linked oligosaccharide structures that have been previously described on proteins from different species and tissues.
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Affiliation(s)
- C A Cooper
- Department of Chemistry, Macquarie University, North Ryde, Australia.
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Abstract
This review describes the application of matrix-assisted laser desorption/ionization (MALDI) mass spectrometry to carbohydrate analysis and covers the period 1991-1998. The technique is particularly valuable for carbohydrates because it enables underivatised, as well as derivatised compounds to be examined. The various MALDI matrices that have been used for carbohydrate analysis are described, and the use of derivatization for improving mass spectral detection limits is also discussed. Methods for sample preparation and for extracting carbohydrates from biological media prior to mass spectrometric analysis are compared with emphasis on highly sensitive mass spectrometric methods. Quantitative aspects of MALDI are covered with respect to the relationship between signal strength and both mass and compound structure. The value of mass measurements by MALDI to provide a carbohydrate composition is stressed, together with the ability of the technique to provide fragmentation spectra. The use of in-source and post-source decay and collision-induced fragmentation in this context is described with emphasis on ions that provide information on the linkage and branching patterns of carbohydrates. The use of MALDI mass spectrometry, linked with exoglycosidase sequencing, is described for N-linked glycans derived from glycoproteins, and methods for the analysis of O-linked glycans are also covered. The review ends with a description of various applications of the technique to carbohydrates found as constituents of glycoproteins, bacterial glycolipids, sphingolipids, and glycolipid anchors.
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Affiliation(s)
- D J Harvey
- Oxford Glycobiology Institute, Department of Biochemistry, UK.
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Morelle W, Lemoine J, Strecker G. Structural analysis of O-linked oligosaccharide-alditols by electrospray-tandem mass spectrometry after mild periodate oxidation and derivatization with 2-aminopyridine. Anal Biochem 1998; 259:16-27. [PMID: 9606138 DOI: 10.1006/abio.1998.2618] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
O-linked oligosaccharide-alditols were analyzed by a combination of high-performance liquid chromatography (HPLC) and electrospray-tandem mass spectrometry (ESI-MS/MS). First, oligosaccharide-alditols were treated with sodium meta-periodate under conditions where core N-acetylgalactosaminitol is specifically degraded. The resulting fragments were labeled with 2-aminopyridine and purified on a reversed-phase column. Pyridylamino oligosaccharides yielded protonated molecular ions in positive-ion ES-MS and gave Y-series sequence ions, arising from glycosidic cleavages, by ESI-tandem mass spectrometry. Information on sugar sequence and branching of oligosaccharides linked at C6 and C3 to the N-acetylgalactosaminitol can be obtained. A systematic study of various oligosaccharide-alditols demonstrated that this approach constitutes a powerful tool for the structural characterization of O-glycans available only in limited quantities.
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Affiliation(s)
- W Morelle
- Laboratoire de Chimie Biologique, Université des Sciences et Technologies de Lille, Villeneuve d'Ascq, France
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