1
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Sarbu M, Ica R, Sharon E, Clemmer DE, Zamfir AD. Glycomics by ion mobility tandem mass spectrometry of chondroitin sulfate disaccharide domain in biglycan. JOURNAL OF MASS SPECTROMETRY : JMS 2023; 58:e4908. [PMID: 36799777 DOI: 10.1002/jms.4908] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/15/2022] [Revised: 01/30/2023] [Accepted: 02/01/2023] [Indexed: 06/18/2023]
Abstract
Biglycan (BGN), a small leucine-rich repeat proteoglycan, is involved in a variety of pathological processes including malignant transformation, for which the upregulation of BGN was found related to cancer cell invasiveness. Because the functions of BGN are mediated by its chondroitin/dermatan sulfate (CS/DS) chains through the sulfates, the determination of CS/DS structure and sulfation pattern is of major importance. In this study, we have implemented an advanced glycomics method based on ion mobility separation (IMS) mass spectrometry (MS) and tandem MS (MS/MS) to characterize the CS disaccharide domains in BGN. The high separation efficiency and sensitivity of this technique allowed the discrimination of five distinct CS disaccharide motifs, of which four irregulated in their sulfation pattern. For the first time, trisulfated unsaturated and bisulfated saturated disaccharides were found in BGN, the latter species documenting the non-reducing end of the chains. The structural investigation by IMS MS/MS disclosed that in one or both of the CS/DS chains, the non-reducing end is 3-O-sulfated GlcA in a rather rare bisulfated motif having the structure 3-O-sulfated GlcA-4-O-sulfated GalNAc. Considering the role played by BGN in cancer cell spreading, the influence on this process of the newly identified sequences will be investigated in the future.
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Affiliation(s)
- Mirela Sarbu
- Department of Condensed Matter, National Institute for Research and Development in Electrochemistry and Condensed Matter, Timisoara, 300569, Romania
| | - Raluca Ica
- Department of Condensed Matter, National Institute for Research and Development in Electrochemistry and Condensed Matter, Timisoara, 300569, Romania
- Department of Physics, West University of Timisoara, Timisoara, 300223, Romania
| | - Edie Sharon
- Department of Chemistry, The College of Arts & Science, Indiana University, Bloomington, Indiana, USA
| | - David E Clemmer
- Department of Chemistry, The College of Arts & Science, Indiana University, Bloomington, Indiana, USA
| | - Alina D Zamfir
- Department of Condensed Matter, National Institute for Research and Development in Electrochemistry and Condensed Matter, Timisoara, 300569, Romania
- Department of Technical and Natural Sciences, "Aurel Vlaicu" University of Arad, Arad, 310330, Romania
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2
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Pepi LE, Sanderson P, Stickney M, Amster IJ. Developments in Mass Spectrometry for Glycosaminoglycan Analysis: A Review. Mol Cell Proteomics 2021; 20:100025. [PMID: 32938749 PMCID: PMC8724624 DOI: 10.1074/mcp.r120.002267] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2020] [Revised: 09/15/2020] [Accepted: 09/16/2020] [Indexed: 12/11/2022] Open
Abstract
This review covers recent developments in glycosaminoglycan (GAG) analysis via mass spectrometry (MS). GAGs participate in a variety of biological functions, including cellular communication, wound healing, and anticoagulation, and are important targets for structural characterization. GAGs exhibit a diverse range of structural features due to the variety of O- and N-sulfation modifications and uronic acid C-5 epimerization that can occur, making their analysis a challenging target. Mass spectrometry approaches to the structure assignment of GAGs have been widely investigated, and new methodologies remain the subject of development. Advances in sample preparation, tandem MS techniques (MS/MS), online separations, and automated analysis software have advanced the field of GAG analysis. These recent developments have led to remarkable improvements in the precision and time efficiency for the structural characterization of GAGs.
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Affiliation(s)
- Lauren E Pepi
- Department of Chemistry, University of Georgia, Athens, Georgia, USA
| | | | - Morgan Stickney
- Department of Chemistry, University of Georgia, Athens, Georgia, USA
| | - I Jonathan Amster
- Department of Chemistry, University of Georgia, Athens, Georgia, USA.
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3
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Robu AC, Popescu L, Seidler DG, Zamfir AD. Chip-based high resolution tandem mass spectrometric determination of fibroblast growth factor-chondroitin sulfate disaccharides noncovalent interaction. JOURNAL OF MASS SPECTROMETRY : JMS 2018; 53:624-634. [PMID: 29676520 DOI: 10.1002/jms.4193] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/06/2017] [Revised: 04/04/2018] [Accepted: 04/11/2018] [Indexed: 06/08/2023]
Abstract
Fibroblast growth factor-2 (FGF-2) is involved in wound healing and embryonic development. Glycosaminoglycans (GAGs), the major components of the extracellular matrix (ECM), play fundamental roles at this level. FGF-GAG noncovalent interactions are in the focus of research, due to their influence upon cell proliferation and tissue regeneration. Lately, high resolution mass spectrometry (MS) coupled with chip-nanoelectrospray (nanoESI) contributed a significant progress in glycosaminoglycomics by discoveries related to novel species and their characterization. We have employed a fully automated chip-nanoESI coupled to a quadrupole time-of-flight (QTOF) MS for assessing FGF-GAG noncovalent complexes. For the first time, a CS disaccharide was involved in a binding assay with FGF-2. The experiments were conducted in 10 mM ammonium acetate/formic acid, pH 6.8, by incubating FGF-2 and CS in buffer. The detected complexes were characterized by top-down in tandem MS (MS/MS) using collision induced-dissociation (CID). CID MS/MS provided data showing for the first time that the binding process occurs via the sulfate group located at C4 in GalNAc. This study has demonstrated that chip-MS may generate reliable data upon the formation of GAG-protein complexes and their structure. Biologically, the findings are relevant for studies focused on the identification of the active domains in longer GAG chains.
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Affiliation(s)
- Adrian C Robu
- Mass Spectrometry Laboratory, National Institute for Research and Development in Electrochemistry and Condensed Matter, Plautius Andronescu Str. 1, RO-300224, Timisoara, Romania
- Faculty of Physics, West University of Timisoara, Blvd. Vasile Parvan 4, RO-300223, Timisoara, Romania
| | - Laurentiu Popescu
- Mass Spectrometry Laboratory, National Institute for Research and Development in Electrochemistry and Condensed Matter, Plautius Andronescu Str. 1, RO-300224, Timisoara, Romania
- Faculty of Physics, West University of Timisoara, Blvd. Vasile Parvan 4, RO-300223, Timisoara, Romania
| | - Daniela G Seidler
- Department of Gastroentero-, Hepato-, and Endocrinology I3, Hannover Medical School, EB2/R3110, Carl-Neuberg-Str. 1, D-30625, Hannover, Germany
| | - Alina D Zamfir
- Mass Spectrometry Laboratory, National Institute for Research and Development in Electrochemistry and Condensed Matter, Plautius Andronescu Str. 1, RO-300224, Timisoara, Romania
- Department of Chemical and Biological Sciences, "Aurel Vlaicu" University of Arad, Revolutiei Blvd. 77, RO-310130, Arad, Romania
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4
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Bai M, Han W, Zhao X, Wang Q, Gao Y, Deng S. Glycosaminoglycans from a Sea Snake ( Lapemis curtus): Extraction, Structural Characterization and Antioxidant Activity. Mar Drugs 2018; 16:md16050170. [PMID: 29783635 PMCID: PMC5983301 DOI: 10.3390/md16050170] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2018] [Revised: 05/07/2018] [Accepted: 05/10/2018] [Indexed: 12/19/2022] Open
Abstract
Sea snakes have wide application prospects in medicine, health food and other fields. Several novel polysaccharides were successfully obtained from the skin and the meat of a sea snake (Lapemis curtus). The structures of polysaccharides LSP3 and LMP3, which were extracted and purified from Lapemis curtus, were determined to be new and highly heterogenic glycosaminoglycans (GAGs) by means of FT-IR, ESI-MS/MS and NMR. LSP3 is a hybrid dermatan sulfate (DS) and composed of 48% 4-sulfated disaccharides (Di4S), 42% 6-sulfated disaccharides (Di6S) and 5% disulfated disaccharides (Di2,6S), while LMP3 is a hybrid chondroitin sulfate (CS) and composed of 70% Di4S, 20% Di6S, and 8% Di2,6S. More importantly, LSP3 and LMP3 showed a strong scavenging ability of 1,1-diphenyl-2-picrylhydrazyl (DPPH) radicals, iron (Fe2+) chelating activity and total antioxidant capacity in vitro, especially LSP3, with high contents of uronic acid and sulfate, which possessed a higher scavenging ability of DPPH radicals than other fractions. These data suggested that the sea snake polysaccharides could be promising candidates for natural antioxidant ingredients.
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Affiliation(s)
- Mingyue Bai
- Key Laboratory of Marine Drugs, Ministry of Education, Shandong Provincial Key laboratory of Glycoscience and Glycoengineering, School of Medicine and Pharmacy, Ocean University of China, Qingdao 266003, China.
- Laboratory for Marine Drugs and Bioproducts of Qingdao National Laboratory for Marine Science and Technology, Qingdao 266237, China.
| | - Wenwei Han
- Key Laboratory of Marine Drugs, Ministry of Education, Shandong Provincial Key laboratory of Glycoscience and Glycoengineering, School of Medicine and Pharmacy, Ocean University of China, Qingdao 266003, China.
- Laboratory for Marine Drugs and Bioproducts of Qingdao National Laboratory for Marine Science and Technology, Qingdao 266237, China.
| | - Xia Zhao
- Key Laboratory of Marine Drugs, Ministry of Education, Shandong Provincial Key laboratory of Glycoscience and Glycoengineering, School of Medicine and Pharmacy, Ocean University of China, Qingdao 266003, China.
- Laboratory for Marine Drugs and Bioproducts of Qingdao National Laboratory for Marine Science and Technology, Qingdao 266237, China.
- Marine Biomedical Research Institute of Qingdao, Qingdao 266071, China.
| | - Qingchi Wang
- Marine Biomedical Research Institute of Qingdao, Qingdao 266071, China.
| | - Yanyun Gao
- Key Laboratory of Marine Drugs, Ministry of Education, Shandong Provincial Key laboratory of Glycoscience and Glycoengineering, School of Medicine and Pharmacy, Ocean University of China, Qingdao 266003, China.
| | - Shiming Deng
- Ocean College of Hainan University, Haikou 570228, China.
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5
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Khanal N, Masellis C, Kamrath MZ, Clemmer DE, Rizzo TR. Glycosaminoglycan Analysis by Cryogenic Messenger-Tagging IR Spectroscopy Combined with IMS-MS. Anal Chem 2017; 89:7601-7606. [PMID: 28636333 PMCID: PMC5675075 DOI: 10.1021/acs.analchem.7b01467] [Citation(s) in RCA: 49] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
We combine ion mobility spectrometry with cryogenic, messenger-tagging, infrared spectroscopy and mass spectrometry to identify different isomeric disaccharides of chondroitin sulfate (CS) and heparan sulfate (HS), which are representatives of two major subclasses of glycosaminoglycans. Our analysis shows that while CS and HS disaccharide isomers have similar drift times, they can be uniquely distinguished by their vibrational spectrum between ∼3200 and 3700 cm-1 due to their different OH hydrogen-bonding patterns. We suggest that this combination of techniques is well suited to identify and characterize glycan isomers directly, which presents tremendous challenges for existing methods.
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Affiliation(s)
- Neelam Khanal
- Department of Chemistry, Indiana University, 800 East Kirkwood Avenue, Bloomington, Indiana 47405, United States
| | - Chiara Masellis
- Laboratoire de Chimie Physique Moléculaire, École Polytechnique Fédérale de Lausanne, EPFL SB ISIC LCPM, Station 6, CH-1015 Lausanne, Switzerland
| | - Michael Z. Kamrath
- Laboratoire de Chimie Physique Moléculaire, École Polytechnique Fédérale de Lausanne, EPFL SB ISIC LCPM, Station 6, CH-1015 Lausanne, Switzerland
| | - David E. Clemmer
- Department of Chemistry, Indiana University, 800 East Kirkwood Avenue, Bloomington, Indiana 47405, United States
| | - Thomas R. Rizzo
- Laboratoire de Chimie Physique Moléculaire, École Polytechnique Fédérale de Lausanne, EPFL SB ISIC LCPM, Station 6, CH-1015 Lausanne, Switzerland
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6
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Mohamed HT, Untereiner V, Sockalingum GD, Brézillon S. Implementation of infrared and Raman modalities for glycosaminoglycan characterization in complex systems. Glycoconj J 2016; 34:309-323. [PMID: 27928742 PMCID: PMC5487820 DOI: 10.1007/s10719-016-9743-6] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2016] [Revised: 09/27/2016] [Accepted: 10/12/2016] [Indexed: 10/25/2022]
Abstract
Glycosaminoglycans (GAGs) are natural, linear and negatively charged heteropolysaccharides which are incident in every mammalian tissue. They consist of repeating disaccharide units, which are composed of either sulfated or non-sulfated monosaccharides. Depending on tissue types, GAGs exhibit structural heterogeneity such as the position and degree of sulfation or within their disaccharide units composition being heparin, heparan sulfate, chondroitine sulfate, dermatan sulfate, keratan sulfate, and hyaluronic acid. They are covalently linked to a core protein (proteoglycans) or as free chains (hyaluronan). GAGs affect cell properties and functions either by direct interaction with cell receptors or by sequestration of growth factors. These evidences of divert biological roles of GAGs make their characterization at cell and tissue levels of importance. Thus, non-invasive techniques are interesting to investigate, to qualitatively and quantitatively characterize GAGs in vitro in order to use them as diagnostic biomarkers and/or as therapeutic targets in several human diseases including cancer. Infrared and Raman microspectroscopies and imaging are sensitive enough to differentiate and classify GAG types and subtypes in spite of their close molecular structures. Spectroscopic markers characteristic of reference GAG molecules were identified. Beyond these investigations of the standard GAG spectral signature, infrared and Raman spectral signatures of GAG were searched in complex biological systems like cells. The aim of the present review is to describe the implementation of these complementary vibrational spectroscopy techniques, and to discuss their potentials, advantages and disadvantages for GAG analysis. In addition, this review presents new data as we show for the first time GAG infrared and Raman spectral signatures from conditioned media and live cells, respectively.
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Affiliation(s)
- Hossam Taha Mohamed
- Department of Zoology, Faculty of Science, Cairo University, Giza, Egypt.,CNRS UMR7369, Matrice Extracellulaire et Dynamique Cellulaire (MEDyC), Reims, France.,MéDIAN-Biophotonique et Technologies pour la Santé, UFR de Pharmacie, Reims, France
| | - Valérie Untereiner
- CNRS UMR7369, Matrice Extracellulaire et Dynamique Cellulaire (MEDyC), Reims, France.,MéDIAN-Biophotonique et Technologies pour la Santé, UFR de Pharmacie, Reims, France.,Plateforme d'imagerie Cellulaire et Tissulaire (PICT), Université de Reims Champagne-Ardenne, Reims, France
| | - Ganesh D Sockalingum
- CNRS UMR7369, Matrice Extracellulaire et Dynamique Cellulaire (MEDyC), Reims, France.,MéDIAN-Biophotonique et Technologies pour la Santé, UFR de Pharmacie, Reims, France
| | - Stéphane Brézillon
- CNRS UMR7369, Matrice Extracellulaire et Dynamique Cellulaire (MEDyC), Reims, France. .,Laboratoire de Biochimie Médicale et Biologie Moléculaire, UFR de Médecine, Université de Reims Champagne-Ardenne, Reims, France.
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7
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Zamfir AD. Applications of capillary electrophoresis electrospray ionization mass spectrometry in glycosaminoglycan analysis. Electrophoresis 2016; 37:973-86. [PMID: 26701317 DOI: 10.1002/elps.201500461] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2015] [Revised: 12/06/2015] [Accepted: 12/06/2015] [Indexed: 12/30/2022]
Abstract
Proteoglycans (PGs) represent a class of heavily glycosylated proteins distributed in the extracellular matrix, connective tissues, and on the surface of many cell types where, as functional molecules, regulate important biological processes. Structurally, PGs consist of a core protein linked to glycosaminoglycan (GAG) chains, which basically determine the properties and activities of PGs. In view of the structural complexity of GAGs and the existing correlation between this structure and PG functions, systematic efforts are invested into development of analytical methods for GAG characterization. Although less popular and of higher technical difficulty than liquid-based chromatographic methods, CE coupled with ESI MS contributed lately an important progress to glycosaminoglycomics field. In this review article, the most significant CE ESI MS and MS/MS applications in GAG research are highlighted and critically assessed. The advantages and the limitations of each concept as well as the possible further methodological refinements are also concisely discussed. Finally, the review presents the perspectives of CE ESI MS in GAG analysis along with the objectives, which still need to be reached in the near future.
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Affiliation(s)
- Alina D Zamfir
- Aurel Vlaicu University of Arad, Arad, Romania.,National Institute for Research and Development in Electrochemistry and Condensed Matter, Timisoara, Romania
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8
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Toppazzini M, Coslovi A, Rossi M, Flamigni A, Baiutti E, Campa C. Capillary Electrophoresis of Mono- and Oligosaccharides. Methods Mol Biol 2016; 1483:301-338. [PMID: 27645743 DOI: 10.1007/978-1-4939-6403-1_16] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
This chapter reports an overview of the recent advances in the analysis of mono- and oligosaccharides by capillary electrophoresis (CE); furthermore, relevant reviews and research articles recently published in the field are tabulated. Additionally, pretreatments and procedures applied to uncharged and acidic carbohydrates (i.e., monosaccharides and lower oligosaccharides carrying carboxylate, sulfate, or phosphate groups) are described.Representative examples of such procedures are reported in detail, upon describing robust methodologies for the study of (1) neutral oligosaccharides derivatized by reductive amination and by formation of glycosylamines; (2) sialic acid derivatized with 2-aminoacridone, released from human serum immunoglobulin G; (3) anomeric couples of neutral glycosides separated using borate-based buffers; (4) unsaturated, underivatized oligosaccharides from lyase-treated alginate.
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Affiliation(s)
- Mila Toppazzini
- GSK Vaccines, Manufacturing Science & Technology Bellaria di Rosia, Sovicille (Siena), Italy
| | - Anna Coslovi
- GSK Vaccines, Manufacturing Science & Technology Bellaria di Rosia, Sovicille (Siena), Italy
| | - Marco Rossi
- Bracco Imaging SpA-CRB Trieste, AREA Science Park, Trieste, Italy
| | - Anna Flamigni
- Bracco Imaging SpA-CRB Trieste, AREA Science Park, Trieste, Italy
| | - Edi Baiutti
- Bracco Imaging SpA-CRB Trieste, AREA Science Park, Trieste, Italy
| | - Cristiana Campa
- GSK Vaccines, Manufacturing Science & Technology Bellaria di Rosia, Sovicille (Siena), Italy.
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9
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Kailemia MJ, Patel AB, Johnson DT, Li L, Linhardt RJ, Amster IJ. Differentiating chondroitin sulfate glycosaminoglycans using collision-induced dissociation; uronic acid cross-ring diagnostic fragments in a single stage of tandem mass spectrometry. EUROPEAN JOURNAL OF MASS SPECTROMETRY (CHICHESTER, ENGLAND) 2015; 21:275-85. [PMID: 26307707 PMCID: PMC4552082 DOI: 10.1255/ejms.1366] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/03/2023]
Abstract
The stereochemistry of the hexuronic acid residues of the structure of glycosaminoglycans (GAGs) is a key feature that affects their interactions with proteins and other biological functions. Electron based tandem mass spectrometry methods, in particular electron detachment dissociation (EDD), have been able to distinguish glucuronic acid (GlcA) from iduronic acid (IdoA) residues in some heparan sulfate tetrasaccharides by producing epimer-specific fragments. Similarly, the relative abundance of glycosidic fragment ions produced by collision-induced dissociation (CID) or EDD has been shown to correlate with the type of hexuronic acid present in chondroitin sulfate GAGs. The present work examines the effect of charge state and degree of sodium cationization on the CID fragmentation products that can be used to distinguish GlcA and IdoA containing chondroitin sulfate A and dermatan sulfate chains. The cross-ring fragments (2,4)A(n) and (0,2)X(n) formed within the hexuronic acid residues are highly preferential for chains containing GlcA, distinguishing it from IdoA. The diagnostic capability of the fragments requires the selection of a molecular ion and fragment ions with specific ionization characteristics, namely charge state and number of ionizable protons. The ions with the appropriate characteristics display diagnostic properties for all the chondroitin sulfate and dermatan sulfate chains (degree of polymerization of 4-10) studied.
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Affiliation(s)
| | - Anish B Patel
- De partment of Chemistry, University of Georgia, Athens, GA 30602, USA.
| | - Dane T Johnson
- Department of Chemistry, University of Georgia, Athens, GA 30602, USA.
| | - Lingyun Li
- Department of Chemistry and Chemical Biology, Chemical and Biological Engineering, and Biology, Rensselaer Polytechnic Institute, Troy, NY 12180, USA.
| | - Robert J Linhardt
- Department of Chemistry and Chemical Biology, Chemical and Biological Engineering, and Biology, Rensselaer Polytechnic Institute, Troy, NY 12180, USA.
| | - I Jonathan Amster
- Department of Chemistry, University of Georgia, Athens, GA 30602, USA.
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10
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Sarbu M, Robu A, Peter-Katalinić J, Zamfir AD. Automated chip-nanoelectrospray mass spectrometry for glycourinomics in Schindler disease type I. Carbohydr Res 2014; 398:90-100. [DOI: 10.1016/j.carres.2014.08.014] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2014] [Revised: 08/19/2014] [Accepted: 08/21/2014] [Indexed: 12/16/2022]
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11
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Flangea C, Petrescu AJ, Seidler DG, Munteanu CVA, Zamfir AD. Identification of an unusually sulfated tetrasaccharide chondroitin/dermatan motif in mouse brain by combining chip-nanoelectrospray multistage MS2-MS4and high resolution MS. Electrophoresis 2013; 34:1581-92. [DOI: 10.1002/elps.201200704] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2012] [Revised: 01/31/2013] [Accepted: 02/04/2013] [Indexed: 01/06/2023]
Affiliation(s)
| | | | - Daniela G. Seidler
- Institute for Physiological Chemistry and Pathobiochemistry; University of Münster; Münster; Germany
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12
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Minsky BB, Atmuri A, Kaltashov IA, Dubin PL. Counterion Condensation on Heparin Oligomers. Biomacromolecules 2013; 14:1113-21. [DOI: 10.1021/bm400006g] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Burcu Baykal Minsky
- Department
of Chemistry, University of Massachusetts, 710 North Pleasant Street,
Amherst, Massachusetts, 01003, United States
| | - Anand Atmuri
- Department of Chemical Engineering, University of Massachusetts, Amherst, Massachusetts,
01003, United States
| | - Igor A. Kaltashov
- Department
of Chemistry, University of Massachusetts, 710 North Pleasant Street,
Amherst, Massachusetts, 01003, United States
| | - Paul L. Dubin
- Department
of Chemistry, University of Massachusetts, 710 North Pleasant Street,
Amherst, Massachusetts, 01003, United States
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13
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Zamfir AD, Flangea C, Serb A, Zagrean AM, Rizzi AM, Sisu E. Separation and identification of glycoforms by capillary electrophoresis with electrospray ionization mass spectrometric detection. Methods Mol Biol 2013; 951:145-169. [PMID: 23296530 DOI: 10.1007/978-1-62703-146-2_11] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
Abstract
Capillary electrophoresis (CE) is a resourceful and versatile separation method for the analysis of complex carbohydrate mixtures. In combination with electrospray ionization (ESI) mass spectrometry (MS), CE enables fast, sensitive, and efficient separations for the accurate identification of a large variety of glycoform mixture types. In this chapter several reliable off- and on-line CE-based methods for the analysis of glycoforms with ESI MS/MS are presented. The first part of this chapter is dedicated to the application of off-line CE/ESI MS to complex mixtures of O-glycopeptides and mixtures of proteoglycan-derived O-glycans, i.e., glycosaminoglycans such as depolymerized hybrid chains of chondroitin sulfate (CS) and dermatan sulfate (DS). Procedures for off-line fractionation of these heterogeneous mixtures followed by ESI MS screening and sequencing of single glycoforms by collision-induced dissociation (CID) at low energies are also described. Ample sections are further devoted to on-line CE/ESI MS technique and its application to separation and identification of O-glycopeptides and CS/DS oligosaccharides. The concept and construction principles of two different sheathless CE/ESI MS interfaces together with the protocols to be applied for successful on-line analysis of O-glycopeptides and CS/DS oligosaccharides are presented in details in the last part of the chapter.
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Affiliation(s)
- Alina D Zamfir
- Department of Chemical and Biological Sciences, "Aurel Vlaicu" University of Arad, Timisoara, Romania.
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14
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Chang Y, Yang B, Zhao X, Linhardt RJ. Analysis of glycosaminoglycan-derived disaccharides by capillary electrophoresis using laser-induced fluorescence detection. Anal Biochem 2012; 427:91-8. [PMID: 22609076 DOI: 10.1016/j.ab.2012.05.004] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2012] [Revised: 05/05/2012] [Accepted: 05/07/2012] [Indexed: 10/28/2022]
Abstract
A quantitative and highly sensitive method for the analysis of glycosaminoglycan (GAG)-derived disaccharides that relies on capillary electrophoresis (CE) with laser-induced fluorescence detection is presented. This method enables complete separation of 17 GAG-derived disaccharides in a single run. Unsaturated disaccharides were derivatized with 2-aminoacridone to improve sensitivity. The limit of detection was at the attomole level and approximately 100-fold more sensitive than traditional CE-ultraviolet detection. A CE separation timetable was developed to achieve complete resolution and shorten analysis time. The relative standard deviations of migration time and peak areas at both low and high concentrations of unsaturated disaccharides are all less than 2.7 and 3.2%, respectively, demonstrating that this is a reproducible method. This analysis was successfully applied to cultured Chinese hamster ovary cell samples for determination of GAG disaccharides. The current method simplifies GAG extraction steps and reduces inaccuracy in calculating ratios of heparin/heparan sulfate to chondroitin sulfate/dermatan sulfate resulting from the separate analyses of a single sample.
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Affiliation(s)
- Yuqing Chang
- Department of Chemistry and Chemical Biology, Center for Biotechnology and Interdisciplinary Studies, Rensselaer Polytechnic Institute, Troy, NY 12180, USA
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15
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Zamfir AD, Flangea C, Serb A, Sisu E, Zagrean L, Rizzi A, Seidler DG. Brain chondroitin/dermatan sulfate, from cerebral tissue to fine structure: extraction, preparation, and fully automated chip-electrospray mass spectrometric analysis. Methods Mol Biol 2012; 836:145-159. [PMID: 22252633 DOI: 10.1007/978-1-61779-498-8_10] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
Chondroitin sulfate (CS) and dermatan sulfate (DS) glycosaminoglycans (GAGs) are covalently linked to proteins, building up a wide range of proteoglycans, with a prevalent expression in the extracellular matrix (ECM). In mammalian tissues, these GAG species are often found as hybrid CS/DS chains. Their structural diversity during chain elongation is produced by variability of sulfation in the repeating disaccharide units. In central nervous system, a large proportion of the ECM is composed of proteoglycans; therefore, CS/DS play a significant role in the functional diversity of neurons, brain development, and some brain diseases. A requirement for collecting consistent data on brain proteoglycan glycosylation is the development of adequate protocols for CS/DS extraction and detailed compositional and structure analysis. This chapter will present a strategy, which combines biochemical tools for brain CS/DS extraction, purification, and fractionation, with a modern analytical platform based on chip-nanoelectrospray multistage mass spectrometry (MS) able to provide information on the essential structural elements such as epimerization, chain length, sulfate content, and sulfation sites.
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Affiliation(s)
- Alina D Zamfir
- Department of Chemical and Biological Sciences, Aurel Vlaicu University of Arad, Arad, Romania
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Flangea C, Sisu E, Seidler DG, Zamfir AD. Analysis of oversulfation in biglycan chondroitin/dermatan sulfate oligosaccharides by chip-based nanoelectrospray ionization multistage mass spectrometry. Anal Biochem 2012; 420:155-62. [DOI: 10.1016/j.ab.2011.08.052] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2011] [Revised: 08/29/2011] [Accepted: 08/31/2011] [Indexed: 01/14/2023]
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17
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King JT, Desai UR. Linear polyalkylamines as fingerprinting agents in capillary electrophoresis of low-molecular-weight heparins and glycosaminoglycans. Electrophoresis 2011; 32:3070-7. [PMID: 22002802 PMCID: PMC3516877 DOI: 10.1002/elps.201100175] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2011] [Revised: 04/18/2011] [Accepted: 04/20/2011] [Indexed: 02/05/2023]
Abstract
Glycosaminoglycan (GAG) analysis represents a challenging frontier despite the advent of many high-resolution technologies because of their unparalleled structural complexity. We previously developed a resolving agent-aided capillary electrophoretic approach for fingerprinting low-molecular-weight heparins (LMWHs) to profile their microscopic differences and assess batch-to-batch variability. In this report, we study the application of this approach for fingerprinting other GAGs and analyze the basis for the fingerprints observed in CE. Although the resolving agents, linear polyalkylamines, could resolve the broad featureless electropherogram of LMWH into a large number of distinct, highly reproducible peaks, longer GAGs such as chondroitin sulfate, dermatan sulfate, and heparin responded in a highly individualistic manner. Full-length heparin interacted with linear polyalkylamines very strongly followed by dermatan sulfate, whereas chondroitin sulfate remained essentially unaffected. Oversulfated chondroitin sulfate could be easily identified from full-length heparin. Scatchard analysis of the binding profile of enoxaparin with three linear polyalkylamines displayed a biphasic binding profile suggesting two distinctly different types of interactions. Some LMWH chains were found to interact with linear polyalkylamines with affinities as high as 10 nM, whereas others displayed nearly 5000-fold weaker affinities. These observations provide fundamental insight into the basis for fingerprinting of LMWHs by linear polyalkylamine-based resolving agents, which could be utilized in the design of advanced resolving agents for compositional profiling, direct sequencing, and chemoinformatics studies.
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Affiliation(s)
- J. Timothy King
- Department of Medicinal Chemistry and Institute for Structural Biology and Drug Discovery, Virginia Commonwealth University, Richmond, VA
| | - Umesh R. Desai
- Department of Medicinal Chemistry and Institute for Structural Biology and Drug Discovery, Virginia Commonwealth University, Richmond, VA
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18
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Zamfir AD, Flangea C, Sisu E, Seidler DG, Peter-Katalinić J. Combining size-exclusion chromatography and fully automated chip-based nanoelectrospray quadrupole time-of-flight tandem mass spectrometry for structural analysis of chondroitin/dermatan sulfate in human decorin. Electrophoresis 2011; 32:1639-46. [PMID: 21647927 DOI: 10.1002/elps.201100094] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2011] [Revised: 03/21/2011] [Accepted: 03/22/2011] [Indexed: 11/07/2022]
Abstract
Chondroitin/dermatan sulfate (CS/DS) chain of decorin (DCN) from human skin fibroblasts (HSk) was released by reductive β-elimination reaction and digested with chondroitin AC I lyase. Enzymatic hydrolysis mixture of CS/DS chains was separated by size-exclusion chromatography (SEC). Collected octasaccharide fraction was subjected to fully automated chip-based nanoelectrospray (nanoESI) quadrupole time-of-flight (QTOF) MS and tandem MS (MS/MS). MS of human skin fibroblasts DCN CS/DS displayed a high complexity due to the large variety of glycoforms, which under chip-nanoESI MS readily ionized to form multiply charged ions. Except for the regularly tetrasulfated octasaccharide, the investigated fraction contained four additional octasaccharides of atypical sulfation status. Two new oversulfated glycoforms and two undersulfated species were identified. Remarkably, the series of decasaccharides discovered in the same SEC pool was found to encompass a trisulfated and a novel hexasulfated [4,5-Δ-GlcAGalNAc(IdoAGalNAc)⁴] species. MS/MS by collision-induced dissociation (CID) on the [M-4H]⁴ ion corresponding to the previously not reported [4,5-Δ-GlcAGalNAc(IdoAGalNAc)₃](5S) corroborated for a novel motif in which three N-acetylgalactosamine (GalNAc) moieties are monosulfated, 4,5-Δ-GlcA and the first IdoA from the non-reducing end bear one sulfate group each, while the second N-acetylgalactosamine from the reducing end is unsulfated.
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Affiliation(s)
- Alina D Zamfir
- Department of Chemical and Biological Sciences, Aurel Vlaicu University of Arad, Arad, Romania.
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19
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Yang B, Solakyildirim K, Chang Y, Linhardt RJ. Hyphenated techniques for the analysis of heparin and heparan sulfate. Anal Bioanal Chem 2011; 399:541-57. [PMID: 20853165 PMCID: PMC3235348 DOI: 10.1007/s00216-010-4117-6] [Citation(s) in RCA: 49] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2010] [Revised: 08/06/2010] [Accepted: 08/09/2010] [Indexed: 12/11/2022]
Abstract
The elucidation of the structure of glycosaminoglycan has proven to be challenging for analytical chemists. Molecules of glycosaminoglycan have a high negative charge and are polydisperse and microheterogeneous, thus requiring the application of multiple analytical techniques and methods. Heparin and heparan sulfate are the most structurally complex of the glycosaminoglycans and are widely distributed in nature. They play critical roles in physiological and pathophysiological processes through their interaction with heparin-binding proteins. Moreover, heparin and low-molecular weight heparin are currently used as pharmaceutical drugs to control blood coagulation. In 2008, the health crisis resulting from the contamination of pharmaceutical heparin led to considerable attention regarding their analysis and structural characterization. Modern analytical techniques, including high-performance liquid chromatography, capillary electrophoresis, mass spectrometry, and nuclear magnetic resonance spectroscopy, played critical roles in this effort. A successful combination of separation and spectral techniques will clearly provide a critical advantage in the future analysis of heparin and heparan sulfate. This review focuses on recent efforts to develop hyphenated techniques for the analysis of heparin and heparan sulfate.
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Affiliation(s)
- Bo Yang
- Department of Chemistry and Chemical Biology, Center for Biotechnology and Interdisciplinary Studies, Rensselaer Polytechnic Institute, Troy, NY 12180, USA
| | - Kemal Solakyildirim
- Department of Chemistry and Chemical Biology, Center for Biotechnology and Interdisciplinary Studies, Rensselaer Polytechnic Institute, Troy, NY 12180, USA
| | - Yuqing Chang
- Department of Chemistry and Chemical Biology, Center for Biotechnology and Interdisciplinary Studies, Rensselaer Polytechnic Institute, Troy, NY 12180, USA
| | - Robert J. Linhardt
- Department of Chemistry and Chemical Biology, Center for Biotechnology and Interdisciplinary Studies, Rensselaer Polytechnic Institute, Troy, NY 12180, USA
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Abstract
The glycosaminoglycans (GAGs) are linear polysaccharides expressed on animal cell surfaces and in extracellular matrices. Their biosynthesis is under complex control and confers a domain structure that is essential to their ability to bind to protein partners. Key to understanding the functions of GAGs are methods to determine accurately and rapidly patterns of sulfation, acetylation and uronic acid epimerization that correlate with protein binding or other biological activities. Mass spectrometry (MS) is particularly suitable for the analysis of GAGs for biomedical purposes. Using modern ionization techniques it is possible to accurately determine molecular weights of GAG oligosaccharides and their distributions within a mixture. Methods for direct interfacing with liquid chromatography have been developed to permit online mass spectrometric analysis of GAGs. New tandem mass spectrometric methods for fine structure determination of GAGs are emerging. This review summarizes MS-based approaches for analysis of GAGs, including tissue extraction and chromatographic methods compatible with LC/MS and tandem MS.
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Affiliation(s)
- Gregory O. Staples
- Center for Biomedical Mass Spectrometry, Dept. of Biochemistry, Boston University School of Medicine
| | - Joseph Zaia
- Center for Biomedical Mass Spectrometry, Dept. of Biochemistry, Boston University School of Medicine
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Laremore TN, Leach FE, Solakyildirim K, Amster IJ, Linhardt RJ. Glycosaminoglycan characterization by electrospray ionization mass spectrometry including fourier transform mass spectrometry. Methods Enzymol 2010; 478:79-108. [PMID: 20816475 DOI: 10.1016/s0076-6879(10)78003-4] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/21/2023]
Abstract
Electrospray ionization mass spectrometry (ESI MS) is a versatile analytical technique in glycomics of glycosaminoglycans (GAGs). Combined with enzymology, ESI MS is used for assessing changes in disaccharide composition of GAGs biosynthesized under different environmental or physiological conditions. ESI coupled with high-resolution mass analyzers such as a Fourier transform mass spectrometer (FTMS) permits accurate mass measurement of large oligosaccharides and intact GAGs as well as structural characterization of GAG oligosaccharides using information-rich fragmentation methods such as electron detachment dissociation. The first part of this chapter describes methods for disaccharide compositional profiling using ESI MS and the second part is dedicated to FTMS and tandem MS methods of GAG compositional and structural analysis.
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Affiliation(s)
- Tatiana N Laremore
- Department of Chemistry and Chemical Biology, Rensselaer Polytechnic Institute, Troy, New York, USA
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Abstract
Glycosylation defines the adhesive properties of animal cell surfaces and the surrounding extracellular environments. Because cells respond to stimuli by altering glycan expression, glycan structures vary according to spatial location in tissue and temporal factors. These dynamic structural expression patterns, combined with the essential roles glycans play in physiology, drive the need for analytical methods for glycoconjugates. In addition, recombinant glycoprotein drug products represent a multibillion dollar market. Effective analytical methods are needed to speed the identification of new targets and the development of industrial glycoprotein products, both new and biosimilar. Mass spectrometry is an enabling technology in glycomics. This review summarizes mass spectrometry of glycoconjugate glycans. The intent is to summarize appropriate methods for glycans given their chemical properties as distinct from those of proteins, lipids, and small molecule metabolites. Special attention is given to the uses of mass spectral profiling for glycomics with respect to the N-linked, O-linked, ganglioside, and glycosaminoglycan compound classes. Next, the uses of tandem mass spectrometry of glycans are summarized. The review finishes with an update on mass spectral glycoproteomics.
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Affiliation(s)
- Joseph Zaia
- Department of Biochemistry, Boston University, Boston, Massachusetts, USA.
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Modern developments in mass spectrometry of chondroitin and dermatan sulfate glycosaminoglycans. Amino Acids 2010; 41:235-56. [PMID: 20632047 DOI: 10.1007/s00726-010-0682-4] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2010] [Accepted: 06/29/2010] [Indexed: 12/16/2022]
Abstract
Chondroitin sulfate (CS) and dermatan sulfate (DS) are special types of glycosaminoglycan (GAG) oligosaccharides able to regulate vital biological functions that depend on precise motifs of their constituent hexose sequences and the extent and location of their sulfation. As a result, the need for better understanding of CS/DS biological role called for the elaboration and application of straightforward strategies for their composition and structure elucidation. Due to its high sensitivity, reproducibility, and the possibility to rapidly generate data on fine CS/DS structure determinants, mass spectrometry (MS) based on either electrospray ionization (ESI) or matrix-assisted laser desorption/ionization (MALDI) brought a major progress in the field. Here, modern developments in MS of CS/DS GAGs are gathered in a critical review covering the past 5 years. The first section is dedicated to protocols for CS/DS extraction from parent proteoglycan, digestion, and purification that are among critical prerequisites of a successful MS experiment. The second part highlights several MALDI MS aspects, the requirements, and applications of this ionization method to CS/DS investigation. An ample chapter is devoted to ESI MS strategies, which employ either capillary- or advanced chip-based sample infusion in combination with multistage MS (MS(n)) using either collision-induced (CID) or electron detachment dissociation (EDD). At last, the potential of two versatile separation techniques, capillary electrophoresis (CE), and liquid chromatography (LC) in off- and/or on-line coupling with ESI MS and MS(n), is discussed, alongside an assessment of particular buffer/solvent conditions and instrumental parameters required for CS/DS mixture separation followed by on-line mass analysis of individual components.
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Tomatsu S, Montaño AM, Oguma T, Dung VC, Oikawa H, Gutiérrez ML, Yamaguchi S, Suzuki Y, Fukushi M, Barrera LA, Kida K, Kubota M, Orii T. Validation of disaccharide compositions derived from dermatan sulfate and heparan sulfate in mucopolysaccharidoses and mucolipidoses II and III by tandem mass spectrometry. Mol Genet Metab 2010; 99:124-31. [PMID: 19932038 DOI: 10.1016/j.ymgme.2009.10.001] [Citation(s) in RCA: 57] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/11/2009] [Revised: 10/02/2009] [Accepted: 10/03/2009] [Indexed: 10/20/2022]
Abstract
Glycosaminoglycans (GAGs) are accumulated in various organs in both mucopolysaccharidoses (MPS) and mucolipidoses II and III (ML II and III). MPS and ML II and III patients can not properly degrade dermatan sulfate (DS) and/or heparan sulfate (HS). HS storage occurs in the brain leading to neurological signs while DS storage involves mainly visceral and skeletal manifestations. Excessive DS and HS released into circulation and thus blood levels of both are elevated, therefore, DS and HS in blood could be critical biomarkers for MPS and ML. Such measurement can provide a potential early screening, assessment of the clinical course and efficacy of therapies. We here assay DS and HS levels in MPS and ML patients using liquid chromatography tandem mass spectrometry (LC/MS/MS). Plasma samples were digested by heparitinase and chondroitinase B to obtain disaccharides of DS and HS, followed by LC/MS/MS analysis. One hundred-twenty samples from patients and 112 control samples were analyzed. We found that all MPS I, II, III and VI patients had a significant elevation of all DS+HS compositions analyzed in plasma, compared with the controls (P<0.0001). Specificity and sensitivity was 100% if the cut off value is 800 ng/ml between control and these types of MPS group. All MPS I, II and III patients also had a significant elevation of plasma HS, compared with the controls (P<0.0001). All MPS VI patients had a significant elevation of plasma DS, compared with the controls (P<0.0001). These findings suggest measurement of DS and/or HS levels by LC/MS/MS is applicable to the screening for MPS I, II, III and VI patients.
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Affiliation(s)
- Shunji Tomatsu
- Department of Pediatrics, Saint Louis University, St Louis, MO, United States.
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Flangea C, Schiopu C, Sisu E, Serb A, Przybylski M, Seidler DG, Zamfir AD. Determination of sulfation pattern in brain glycosaminoglycans by chip-based electrospray ionization ion trap mass spectrometry. Anal Bioanal Chem 2009; 395:2489-98. [PMID: 19826794 DOI: 10.1007/s00216-009-3167-0] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2009] [Revised: 09/15/2009] [Accepted: 09/17/2009] [Indexed: 01/30/2023]
Abstract
Chondroitin sulfate (CS) and dermatan sulfate (DS) glycosaminoglycans display variability of sulfation in their constituent disaccharide repeats during chain elongation. Since a large proportion of the extracellular matrix of the central nervous system (CNS) is composed of proteoglycans, CS/DS disaccharide degree and profile of sulfation play important roles in the functional diversity of neurons, brain development, and some of its pathological states. To investigate the sulfation pattern of CS/DS structures expressed in CNS, we introduced here a novel method based on an advanced system encompassing fully automated chip nanoelectrospray ionization (nanoESI) in the negative ion mode and high capacity ion trap multistage mass spectrometry (MS(2)-MS(3)) by collision-induced dissociation (CID). This method, introduced here for the first time in glycomics of brain glycosaminoglycans, was particularly applied to structural investigation of disaccharides obtained by beta-elimination and digestion with chondroitin B and AC I lyase of hybrid CS/DS chains from wild-type mouse brain. Screening in the chip-MS mode of DS disaccharide fraction resulting after depolymerization with chondroitin B lyase revealed molecular ions assigned to monosulfated disaccharide species having a composition of 4,5-Delta-[IdoA-GalNAc]. By optimized CID MS(2)-MS(3), fragment ions supporting the localization of sulfate ester group at C4 within GalNAc were produced. Chip ESI MS profiling of CS disaccharide fraction obtained by depolymerization of the same CS/DS chain using chondroitin AC I lyase indicated the occurrence of mono- and bisulfated 4,5-Delta-[GlcA-GalNAc]. The site of oversulfation was determined by MS(2)-MS(3), which provided sequence patterns consistent with a rare GlcA-3-sulfate-GalNAc-6-sulfate structural motif. Figure Mouse brain GlcA-3-sulfate-GalNAc-6-sulfate structural motif.
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Affiliation(s)
- Corina Flangea
- Mass Spectrometry Laboratory, National Institute for Research and Development in Electrochemistry and Condensed Matter, Plautius Andronescu Str. 1, 300224, Timisoara, Romania
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Zamfir AD, Flangea C, Sisu E, Serb AF, Dinca N, Bruckner P, Seidler DG. Analysis of novel over- and under-sulfated glycosaminoglycan sequences by enzyme cleavage and multiple stage MS. Proteomics 2009; 9:3435-44. [DOI: 10.1002/pmic.200800440] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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Zaia J. On-line separations combined with MS for analysis of glycosaminoglycans. MASS SPECTROMETRY REVIEWS 2009; 28:254-72. [PMID: 18956477 PMCID: PMC4119066 DOI: 10.1002/mas.20200] [Citation(s) in RCA: 83] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/05/2023]
Abstract
The glycosaminoglycan (GAG) family of polysaccharides includes the unsulfated hyaluronan and the sulfated heparin, heparan sulfate, keratan sulfate, and chondroitin/dermatan sulfate. GAGs are biosynthesized by a series of enzymes, the activities of which are controlled by complex factors. Animal cells alter their responses to different growth conditions by changing the structures of GAGs expressed on their cell surfaces and in extracellular matrices. Because this variation is a means whereby the functions of the limited number of protein gene products in animal genomes is elaborated, the phenotypic and functional assessment of GAG structures expressed spatially and temporally is an important goal in glycomics. On-line mass spectrometric separations are essential for successful determination of expression patterns for the GAG compound classes due to their inherent complexity and heterogeneity. Options include size exclusion, anion exchange, reversed phase, reversed phase ion pairing, hydrophilic interaction, and graphitized carbon chromatographic modes and capillary electrophoresis. This review summarizes the application of these approaches to on-line MS analysis of the GAG classes.
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Affiliation(s)
- Joseph Zaia
- Department of Biochemistry, Center for Biomedical Mass Spectrometry, Mass Spectrometry Resource, Boston University School of Medicine, Boston, MA 02118, USA.
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28
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Wolff JJ, Laremore TN, Leach FE, Linhardt RJ, Amster IJ. Electron capture dissociation, electron detachment dissociation and infrared multiphoton dissociation of sucrose octasulfate. EUROPEAN JOURNAL OF MASS SPECTROMETRY (CHICHESTER, ENGLAND) 2009; 15:275-81. [PMID: 19423912 PMCID: PMC3951291 DOI: 10.1255/ejms.951] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/03/2023]
Abstract
The structural analysis of sulfated carbohydrates such as glycosaminoglycans (GAGs) has been a long- standing challenge for the field of mass spectrometry. The dissociation of sulfated carbohydrates by collisionally- activated dissociation (CAD) or infrared multiphoton dissociation (IRMPD), which activate ions via vibrational excitation, typically result in few cleavages and abundant SO(3) loss for highly sulfated GAGs such as heparin and heparan sulfate, hampering efforts to determine sites of modification. The recent application of electron activation techniques, specifically electron capture dissociation (ECD) and electron detachment dissociation (EDD), provides a marked improvement for the mass spectrometry characterization of GAGs. In this work, we compare ECD, EDD and IRMPD for the dissociation of the highly sulfated carbohydrate sucrose octasulfate (SOS). Both positive and negative multiply-charged ions are investigated. ECD, EDD and IRMPD of SOS produce abundant and reproducible fragmentation. The product ions produced by ECD are quite different than those produced by IRMPD of SOS positive ions, suggesting different dissociation mechanisms as a result of electronic versus vibrational excitation. The product ions produced by EDD and IRMPD of SOS negative ions also differ from each other. Evidence for SO(3) rearrangement exists in the negative ion IRMPD data, complicating the assignment of product ions.
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Affiliation(s)
- Jeremy J. Wolff
- Department of Chemistry, University of Georgia, Athens, GA 30602
| | - Tatiana N. Laremore
- Department of Chemistry and Chemical Biology, Rensselaer Polytechnic Institute, Troy, NY 12180
| | | | - Robert J. Linhardt
- Department of Chemistry and Chemical Biology, Rensselaer Polytechnic Institute, Troy, NY 12180
- Department of Chemical and Biological Engineering, Rensselaer Polytechnic Institute, Troy, NY 12180
- Department of Biology, Rensselaer Polytechnic Institute, Troy, NY 12180
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Amon S, Zamfir AD, Rizzi A. Glycosylation analysis of glycoproteins and proteoglycans using capillary electrophoresis-mass spectrometry strategies. Electrophoresis 2008; 29:2485-507. [PMID: 18512669 DOI: 10.1002/elps.200800105] [Citation(s) in RCA: 83] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
This review highlights recent developments in glycosylation analysis by modern MS in combination with CE based preseparation. Focused on CE-MS strategies aimed for glycotyping, the review addresses the detailed glycoform analysis of glycoproteins, glycopeptides, and proteoglycans. Glycoform analysis in the context of modern glycoproteomics is briefly addressed, as well. CZE, CIEF, and frontal analysis CE approaches hyphenated to high-resolution multistage MS for the detailed analysis of protein-linked glycan structures are overviewed in a comprehensive way. Advantages and limitations of various methodological approaches and techniques as well as mass spectrometric instrumentation are discussed in the particular context of glycoanalysis.
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Affiliation(s)
- Sabine Amon
- Institute of Analytical Chemistry and Food Chemistry, University of Vienna, Vienna, Austria
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30
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Abstract
Complex natural polysaccharides, glycosaminoglycans (GAGs), are a class of ubiquitous macromolecules that exhibit a wide range of biological functions and participate and regulate multiple cellular events and (patho)physiological processes. They are generally present either as free chains (hyaluronic acid and bacterial acidic polysaccharides) or as side chains of proteoglycans (PGs; chondroitin/dermatan sulfate, heparin/heparan sulfate, and keratan sulfate) and are most often found in cell membranes and in the extracellular matrix. The recent emergence of modern analytical tools for their study has produced a virtual explosion in the field of glycomics. CE, due to its high resolving power and sensitivity, has been useful in the analysis of intact GAGs and GAG-derived oligosaccharides and disaccharides affording concentration and structural characterization data essential for understanding the biological functions of GAGs. In this review, novel off-line and on-line CE-MS and MS/MS methods for screening of GAG-derived oligosaccharides and disaccharides will be discussed.
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Affiliation(s)
- Nicola Volpi
- Department of Biologia Animale, Biological Chemistry Section, University of Modena and Reggio Emilia, Modena, Italy.
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31
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Abstract
This chapter illustrates the usefulness of capillary electrophoresis (CE) for the analysis of sugar acids, that is, monosaccharides and lower oligosaccharides carrying carboxylate, sulphate or phosphate groups. In order to provide a general description of the main results and challenges in the field, some relevant applications and reviews on CE of such saccharidic compounds are tabulated. Furthermore, some detailed experimental procedures are shown, regarding the CE analysis of sugar acids released upon hydrolysis of acidic polysaccharides and of glycans linked to glycoproteins. In particular, the protocols will deal with the following compounds: (i) unsaturated, underivatized oligosaccharides from lyase-treated alginate; (ii) oligosaccharides derivatized with 4-aminobenzonitrile, arising from chemical hydrolysis of alginate; (iii) sialic acid derivatized with 2-aminoacridone, released from human serum immunoglobulin G.
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Gesslbauer B, Rek A, Falsone F, Rajkovic E, Kungl AJ. Proteoglycanomics: tools to unravel the biological function of glycosaminoglycans. Proteomics 2007; 7:2870-80. [PMID: 17654462 DOI: 10.1002/pmic.200700176] [Citation(s) in RCA: 33] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
Glycosylation is the most frequent PTM and contributes significantly to the function of proteins depending on the type of glycosylation. Especially glycan structures like the glycosaminoglycans are considered to constitute themselves the major function of the glycoconjugate which is therefore termed proteoglycan. Here we review recent views on and novel tools for analysing the proteoglycanome, which are directly related to the type of glycanation under investigation. We define the major function of the proteoglycanome to be its interaction with various proteins in many different (patho-)physiological conditions. This is exemplified by the differential glycosaminoglycan-interactome of healthy versus arthritic patient sera.
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Affiliation(s)
- Bernd Gesslbauer
- Institute of Pharmaceutical Sciences, University of Graz, Graz, Austria
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Chiu TMK, Sigillo K, Gross PH, Franz AH. Synthesis of Anomerically Pure, Furanose‐Free α‐Benzyl‐2‐amino‐2‐deoxy‐d‐altro‐ andd‐manno‐pyranosides and Some of Their Derivatives. SYNTHETIC COMMUN 2007. [DOI: 10.1080/00397910701410871] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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34
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Oguma T, Tomatsu S, Montano AM, Okazaki O. Analytical method for the determination of disaccharides derived from keratan, heparan, and dermatan sulfates in human serum and plasma by high-performance liquid chromatography/turbo ionspray ionization tandem mass spectrometry. Anal Biochem 2007; 368:79-86. [PMID: 17603992 DOI: 10.1016/j.ab.2007.05.016] [Citation(s) in RCA: 100] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2007] [Revised: 05/18/2007] [Accepted: 05/21/2007] [Indexed: 11/21/2022]
Abstract
We established a highly sensitive liquid chromatography tandem mass spectrometry (LC-MS/MS) method to analyze the disaccharides produced from keratan sulfate (KS), heparan sulfate (HS), and dermatan sulfate (DS). It was revealed that KS, HS, and DS in human serum and plasma were digested to each disaccharide by keratanase II, heparitinase, and chondroitinase B, respectively. Analysis of disaccharides was performed by LC-MS/MS with multiple reactions monitoring in the negative ion mode. Separation of LC was performed on a Hypercarb (2.0 mm i.d.x150 mm, 5 microm) with a gradient elution of acetonitrile-0.01M ammonium bicarbonate (pH 10). The mobile phase flow rate was 0.2ml/min. An API-4000 mass spectrometer equipped with a turbo ionspray was used to determine each glycosaminoglycan (GAG) in the serum of control subjects and plasma of mucopolysaccharidose (MPS) patients. The intraday precision expressed as a coefficient of variation was within 15.8% for five replicate analyses with three human control samples. The interday (overall, n=15) precision was within 14.8% for 3 days. This method is sensitive and reproducible, and it would be useful for clinical diagnosis.
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Affiliation(s)
- Toshihiro Oguma
- Drug Metabolism and Pharmacokinetics Research Laboratory, Shinagawa-ku, Tokyo 140-8710,
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35
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Mormann M, Zamfir AD, Seidler DG, Kresse H, Peter-Katalinić J. Analysis of oversulfation in a chondroitin sulfate oligosaccharide fraction from bovine aorta by nanoelectrospray ionization quadrupole time-of-flight and Fourier-transform ion cyclotron resonance mass spectrometry. JOURNAL OF THE AMERICAN SOCIETY FOR MASS SPECTROMETRY 2007; 18:179-87. [PMID: 17095243 DOI: 10.1016/j.jasms.2006.09.016] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/12/2006] [Revised: 08/17/2006] [Accepted: 09/20/2006] [Indexed: 05/12/2023]
Abstract
A combination of negative ion nano-electrospray ionization Fourier-transform ion cyclotron resonance and quadrupole time-of-flight mass spectrometry was applied to analysis of oversulfation in glycosaminoglycan oligosaccharides of the chondroitin sulfate type from bovine aorta. Taking advantage of the high-resolution and high mass accuracy provided by the FT-ICR instrument, a direct compositional assignment of all species present in the mixture can be obtained. An oligosaccharide fraction containing mainly hexasaccharides exhibited different levels of sulfation, indicated by the presence of species with regular sulfation pattern as well as oversulfated oligosaccharides with one additional sulfate group. Oversulfation can be directly identified from the high-resolution/high mass accuracy FT-ICR mass spectra according to their specific isotopic fine structure. Location of sulfate groups was analyzed by Q-TOF MS and low-energy CID MS/MS. Tetrasulfated hexasaccharides were analyzed by use of collision-induced dissociation at variable collision energy for an unambiguous assignment of the attachment site of the sulfate groups by minimizing unspecific neutral losses. Cleavage of glycosidic bonds gave rise to B- and C-type ions and their respective complementary Y- and Z-type fragment ions.
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Affiliation(s)
- Michael Mormann
- Institute for Medical Physics and Biophysics, Biomedical Analysis Department, University of Münster, Münster, Germany
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36
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Wolff JJ, Chi L, Linhardt RJ, Amster IJ. Electron detachment dissociation of glycosaminoglycan tetrasaccharides. JOURNAL OF THE AMERICAN SOCIETY FOR MASS SPECTROMETRY 2007; 18:234-44. [PMID: 17074503 PMCID: PMC1784114 DOI: 10.1016/j.jasms.2006.09.020] [Citation(s) in RCA: 86] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/24/2006] [Revised: 09/22/2006] [Accepted: 09/26/2006] [Indexed: 05/03/2023]
Abstract
The first application of electron detachment dissociation (EDD) to carbohydrates is presented. The structural characterization of glycosaminoglycan (GAG) oligosaccharides by mass spectrometry is a longstanding problem because of the lability of these acidic, polysulfated carbohydrates. Doubly-charged negative ions of four GAG tetrasaccharides are examined by EDD, collisionally activated dissociation (CAD), and infrared multiphoton dissociation (IRMPD). EDD is found to produce information-rich mass spectra with both cross ring and glycosidic cleavage product ions. In contrast, most of the product ions produced by CAD and IRMPD result from glycosidic cleavage. EDD shows great potential as a tool for locating the sites of sulfation and other modifications in glycosaminoglycan oligosaccharides.
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Affiliation(s)
- Jeremy J. Wolff
- Department of Chemistry, University of Georgia, Athens, GA 30602
| | - Lianli Chi
- Department of Chemistry and Chemical Biology, Chemical and Biological Engineering, and Biology, Rensselaer Polytechnic Institute, Troy, NY 12180
| | - Robert J. Linhardt
- Department of Chemistry and Chemical Biology, Chemical and Biological Engineering, and Biology, Rensselaer Polytechnic Institute, Troy, NY 12180
| | - I. Jonathan Amster
- Department of Chemistry, University of Georgia, Athens, GA 30602
- * Address for correspondence, Department of Chemistry, University of Georgia, Athens, Georgia 30602, Phone: (706) 542-2001, FAX: (706) 542-9454,
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37
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Vukelić Z, Zarei M, Peter-Katalinić J, Zamfir AD. Analysis of human hippocampus gangliosides by fully-automated chip-based nanoelectrospray tandem mass spectrometry. J Chromatogr A 2006; 1130:238-45. [PMID: 16797567 DOI: 10.1016/j.chroma.2006.05.033] [Citation(s) in RCA: 44] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2006] [Revised: 05/02/2006] [Accepted: 05/15/2006] [Indexed: 01/06/2023]
Abstract
Modern microfluidic devices are currently introduced in electrospray (ESI) mass spectrometry (MS), tending to substitute the classical capillary-based ESI infusion. Automated systems using the combination of robotized sample handling and chip-based ESI are significantly increasing the analysis reproducibility, precision, throughput, and efficiency. In the last couple of years our group developed the chip-based ESI-MS approach for glycomics in biomedical research and applied it for oligosaccharide, glycopeptide and ganglioside investigation. Here we report upon the optimization and application of this modern technique for the analysis of differential ganglioside expression patterns in human fetal and adult hippocampus. By this methodology, ganglioside species exhibiting high degree of heterogeneity in the ceramide motifs and biologically-relevant modifications could be identified in human hippocampus. The ultra-high reproducibility of the experiments uniquely provided by the chip-ESI approach allowed for a reliable MS-based ganglioside comparative assay. Moreover, the particular feature of chip ESI-tandem MS to provide structural information at high sensitivity was useful for detailed characterization of hippocampus-associated species. The experimental data presented in this study indicate the benefits of microfluidic/MS for determination of the topospecific brain ganglioside composition and development-related changes in their expression, which might be of high value in clinical investigation and for studies related to ganglioside-based therapy of central nervous system diseases.
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Affiliation(s)
- Zeljka Vukelić
- Department of Chemistry and Biochemistry, Faculty of Medicine, University of Zagreb, Zagreb, Croatia
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38
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Hitchcock AM, Yates KE, Shortkroff S, Costello CE, Zaia J. Optimized extraction of glycosaminoglycans from normal and osteoarthritic cartilage for glycomics profiling. Glycobiology 2006; 17:25-35. [PMID: 16980326 PMCID: PMC2630472 DOI: 10.1093/glycob/cwl046] [Citation(s) in RCA: 55] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023] Open
Abstract
Articular cartilage is a highly specialized smooth connective tissue whose proper functioning depends on the maintenance of an extracellular matrix consisting of an integrated assembly of collagens, glycoproteins, proteoglycans (PG), and glycosaminoglycans. Isomeric chondroitin sulfate glycoforms differing in position and degree of sulfation and uronic acid epimerization play specific and distinct functional roles during development and disease onset. This work introduces a novel glycosaminoglycan extraction method for the quantification of mixtures of chondroitin sulfate oligosaccharides from intact cartilage tissue for mass spectral analysis. Glycosaminoglycans were extracted from intact cartilage samples using a combination of ethanol precipitation and enzymatic release followed by reversed-phase and strong anion exchange solid-phase extraction steps. Extracted chondroitin sulfate glycosaminoglycans were partially depolymerized using chondroitinases, labeled with 2-anthranilic acid-d(4) (2-AA) and subjected to size exclusion chromatography with online electrospray ionization mass spectrometric detection in the negative ion mode. The method presented herein enabled simultaneous determination of sulfate position and uronic acid epimerization in juvenile bovine and adult human cartilage samples. The method was applied to a series of 13 adult human cartilage explants. Standard deviation of the mean for the measurements was 1.6 on average. Coefficients of variation were approximately 4% for all compositions of 40% or greater. These results show that the new method has sufficient accuracy to allow determination of topographical distribution of glycoforms in connective tissue.
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Affiliation(s)
- Alicia M. Hitchcock
- Department of Biochemistry, Boston University School of Medicine, 670 Albany St., Boston, Massachusetts 02118
| | - Karen E. Yates
- Department of Orthopedic Surgery, Brigham and Women’s Hospital and Harvard Medical School, Boston Massachusetts 02115
| | - Sonya Shortkroff
- Department of Orthopedic Surgery, Brigham and Women’s Hospital and Harvard Medical School, Boston Massachusetts 02115
| | - Catherine E. Costello
- Department of Biochemistry, Boston University School of Medicine, 670 Albany St., Boston, Massachusetts 02118
| | - Joseph Zaia
- Department of Biochemistry, Boston University School of Medicine, 670 Albany St., Boston, Massachusetts 02118
- To whom correspondence should be addressed: Department of Biochemistry, Boston University School of Medicine, MS Resource, 670 Albany St., Boston, MA 02118. Telephone: (617)-638-6762. Fax: (617)-638-6760.
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39
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Campa C, Coslovi A, Flamigni A, Rossi M. Overview on advances in capillary electrophoresis-mass spectrometry of carbohydrates: A tabulated review. Electrophoresis 2006; 27:2027-50. [PMID: 16736462 DOI: 10.1002/elps.200500960] [Citation(s) in RCA: 88] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
The increasing interest for carbohydrates as holder of essential bioinformations has boosted their full characterization through analytical techniques. The intent of this review is to summarize the recent trends regarding on-line and off-line CE-MS coupling for carbohydrate analysis. A statistical survey on the articles that use derivatizing agents as well as on the analyzer and type of instrument coupling (i.e. on- or off-line) is depicted. From a general overview it can be concluded that, whereas derivatization might be useful for the detection of neutral carbohydrates improving separation selectivity with volatile buffers and increasing sensitivity of the MS detection, relatively few works with derivatized carbohydrates were found; this was noticed in particular for glycosides and saccharides carrying ionizable groups, which are normally analyzed without any chemical modification. The most applied coupling is the on-line sheath-liquid interface; for on-line applications, ESI is the sole source used, whilst the most common analyzer is the IT. MS(n) is often exploited, as fragmentation increases the achieved structural information. CE-MS turned out to be mainly used for the analysis of carbohydrates in drug development (i.e. study of oligosaccharides from pathogens, carbohydrate-based drugs and drug metabolites), in nutrition and for characterization of glycans from glycoproteins. The reader will find elucidating tables regarding these recent CE-MS applications, including the main information on the analysis conditions. Comments are meant to help the immediate focus on the usefulness of the analytical technique and predict the difficulties found during analysis and, in case, their overcoming.
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40
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Henriksen J, Roepstorff P, Ringborg LH. Ion-pairing reversed-phased chromatography/mass spectrometry of heparin. Carbohydr Res 2006; 341:382-7. [PMID: 16360128 DOI: 10.1016/j.carres.2005.11.030] [Citation(s) in RCA: 42] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2005] [Accepted: 11/28/2005] [Indexed: 11/17/2022]
Abstract
Heparin and heparin-derived components are widely applied anticoagulant drugs used for amongst other applications medical treatment of deep vein thrombosis and pulmonary embolism. Depolymerisation of native heparin results in complex mixtures of sulfated linear oligosaccharides that are usually not well characterised. In order to further characterise such mixtures, two on-line ion-pairing reverse-phased chromatography electrospray ionisation (ESI) mass spectrometry methods have been developed. One of the systems allows the determination of more than 200 components in a medium molecular weight heparin preparation, whereas the other system can be used to separate isomeric heparin oligosaccharides after previous separation according to size. This latter system allows semi-preparative isolation of isomeric heparin oligosaccharides. The experimental setup includes on-line cation exchange in order to prevent the ion-pairing reagent from entering the mass spectrometer.
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Affiliation(s)
- Jens Henriksen
- Department of Biochemistry and Molecular Biology, University of Southern Denmark, 55 Campusvej, DK-5230 Odense M, Denmark.
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41
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Petit E, Delattre C, Papy-Garcia D, Michaud P. Chondroitin Sulfate Lyases: Applications in Analysis and Glycobiology. CHONDROITIN SULFATE: STRUCTURE, ROLE AND PHARMACOLOGICAL ACTIVITY 2006; 53:167-86. [PMID: 17239766 DOI: 10.1016/s1054-3589(05)53008-4] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
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42
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Zamfir AD, Bindila L, Lion N, Allen M, Girault HH, Peter-Katalinić J. Chip electrospray mass spectrometry for carbohydrate analysis. Electrophoresis 2005; 26:3650-73. [PMID: 16152660 DOI: 10.1002/elps.200500101] [Citation(s) in RCA: 44] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
Currently two types of chip systems are used in conjunction with MS: out-of-plane devices, where hundreds of nozzles, nanospray emitters are integrated onto a single silicon substrate from which electrospray is established perpendicular to the substrate, and planar microchips, embedding a microchannel at the end of which electrospray is generated in-plane, on the edge of the microchip. In the last two years, carbohydrate research greatly benefited from the introduction and implementation of the chip-based MS. In two laboratories the advantages of the chip electrospray in terms of ionization efficiency, sensitivity, reproducibility, quality of data in combination with high mass accuracy, and resolution of detection were systematically explored for several carbohydrate classes: O- and N-glycopeptides, oligosaccharides, gangliosides and glycoprotein-derived O- and N-glycans, and glycopeptides. The current state-of-the-art in interfacing the chip electrospray devices to high-performance MS for carbohydrate analysis, and the particular requirements for method optimization in both positive and negative ion modes are reviewed here. The recent applications of these miniaturized devices and their general potential for glycomic-based surveys are highlighted.
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Affiliation(s)
- Alina D Zamfir
- Institute for Medical Physics and Biophysics, University of Münster, Münster, Germany.
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43
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Saad OM, Ebel H, Uchimura K, Rosen SD, Bertozzi CR, Leary JA. Compositional profiling of heparin/heparan sulfate using mass spectrometry: assay for specificity of a novel extracellular human endosulfatase. Glycobiology 2005; 15:818-26. [PMID: 15843596 DOI: 10.1093/glycob/cwi064] [Citation(s) in RCA: 83] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023] Open
Abstract
An important class of carbohydrates studied within the field of glycobiology, heparin and heparan sulfate (HS) have been implicated in a diverse array of biological functions. Changes in their sulfation pattern and domain organization have been associated with different pathological situations such as viral infectivity, tumor growth, and metastasis. To obtain structural information about these biomolecules, and the modifications they may undergo during different stages of cell growth and development, a mass spectrometry-based method was developed and used to obtain unambiguous structural information on the glycosaminoglycans (GAGs) that comprise heparin/HS. The method was applied to assay for the heparin substrate specificity of a newly discovered human extracellular endosulfatase, HSulf-2, which has been implicated in tumorigenesis. This new protocol incorporates 12 known heparin disaccharides, including three sets of isomers. A unique response factor (R) is determined for each disaccharide, whereas a multiplexed and data processing method is incorporated for faster data acquisition and quantification purposes. Proof of principle was performed by using various heparin/HS samples isolated from bovine and porcine tissues.
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Affiliation(s)
- Ola M Saad
- Department of Chemistry, University of California, Berkeley, CA 94720, USA
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44
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Abstract
Sphingosines, or sphingoids, are a family of naturally occurring long-chain hydrocarbon derivatives sharing a common 1,3-dihydroxy-2-amino-backbone motif. The majority of sphingolipids, as their derivatives are collectively known, can be found in cell membranes in the form of amphiphilic conjugates, each composed of a polar head group attached to an N-acylated sphingoid, or ceramide. Glycosphingolipids (GSLs), which are the glycosides of either ceramide or myo-inositol-(1-O)-phosphoryl-(O-1)-ceramide, are a structurally and functionally diverse sphingolipid subclass; GSLs are ubiquitously distributed among all eukaryotic species and are found in some bacteria. Since GSLs are secondary metabolites, direct and comprehensive analysis (metabolomics) must be considered an essential complement to genomic and proteomic approaches for establishing the structural repertoire within an organism and deducing its possible functional roles. The glycosphingolipidome clearly comprises an important and extensive subset of both the glycome and the lipidome, but the complexities of GSL structure, biosynthesis, and function form the outlines of a considerable analytical problem, especially since their structural diversity confers by extension an enormous variability with respect to physicochemical properties. This chapter covers selected developments and applications of techniques in mass spectrometric (MS) that have contributed to GSL structural analysis and glycosphingolipidomics since 1990. Sections are included on basic characteristics of ionization and fragmentation of permethylated GSLs and of lithium-adducted nonderivatized GSLs under positive-ion electrospray ionization mass spectrometry (ESI-MS) and collision-induced mass spectrometry (CID-MS) conditions; on the analysis of sulfatides, mainly using negative-ion techniques; and on selected applications of ESI-MS and matrix-assisted laser desorption/ionization mass spectrometry (MALDI-MS) to emerging GSL structural, functional, and analytical issues. The latter section includes a particular focus on evolving techniques for analysis of gangliosides, GSLs containing sialic acid, as well as on characterizations of GSLs from selected nonmammalian eukaryotes, such as dipterans, nematodes, cestodes, and fungi. Additional sections focus on the issue of whether it is better to leave GSLs intact or remove the ceramide; on development and uses of thin-layer chromatography (TLC) blotting and TLC-MS techniques; and on emerging issues of high-throughput analysis, including the use of flow injection, liquid chromatography mass spectrometry (LC-MS), and capillary electrophoresis mass spectrometry (CE-MS).
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Affiliation(s)
- Steven B Levery
- Department of Chemistry, University of New Hamphsire, Durham, USA
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45
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Abstract
Cell surface and extracellular proteins are O-glycosylated, where the most abundant type of O-glycosylation in proteins is the GalNAc attachment to serine (Ser) or threonine (Thr) in the protein chain by an a-glycosidic linkage. Most eukaryotic nuclear and cytoplasmic proteins modified by a-linked O-GlcNAc to Ser or Thr exhibit reciprocal O-GlcNAc glycosylation and phosphorylation during the cell cycle, cell stimulation, and/or cell growth. Less-investigated types of O-glycosylation are O-fucosylation, O-mannosylation, and O-glucosylation, but they are functionally of high relevance for early stages of development and for vital physiological functions of proteins. Glycosaminoglycans are a-linked to proteoglycans via a xylose-containing tetrasaccharide, represented by linear chains of repetitive disaccharides modified by carboxylates and O- or/and N-linked sulfates. Analysis of O-glycosylation by mass spectrometry (MS) is a complex task due to the high structural diversity of glycan and protein factors. The parameters in structural analysis of O-glycans include determination of (i) O-glycosylation attachment sites in the protein sequence, (ii) the type of attached monosaccharide moiety, (iii) a core type in the case of GalNAc O-glycosylation, (iv) the type and size of the oligosaccharide portion, (v) carbohydrate branching patterns, (vi) the site of monosaccharide glycosidic linkages, (vii) the anomericity of glycosidic linkages, and (viii) covalent modifications of the sugar backbone chains by carbohydrate- and noncarbohydrate-type of substitutents. Classical and novel analytical strategies for identification and sequencing of O-glycans by MS are described. These include methods to analyze O-glycans after total or partial release from the parent protein by chemical or enzymatic approach or to analyze O-glycosylated peptides by mapping and sequencing from proteolytic mixtures. A recombination process of multiply charged glycopeptides with electrons by electron capture dissociation Fourier transform ion cyclotrone resonance (FTICR)-MS has been introduced and is instrumental for nonergodic polypeptide backbone cleavages without losses of labile glycan substituents. A method for O-glycoscreening under increased sensitivity and efficient sequencing as a combination of an on-line coupling of capillary electrophoresis separation, as well as an automated MS-tandem MS (MS/MS) switching under variable energy conditions collision-induced dissociation (CID) protocol, is beneficial for determination of O-acetylation and oversulfation (Bindila et al., 2004a; Zamfir et al., 2004a). O-glycomics by robotized chip-electrospray/ionization (ESI)-MS and MS/MS on the quadrupole time-of-flight (QTOF) and FTICR analyzers, accurate mass determination, and software for assignment of fragmentation spectra represent essentials for high-throughput (HTP) in serial screenings (Bindila et al., 2004b; Froesch et al., 2004; Vakhrushev et al., 2005). Dimerization of intact O-glycosylated proteins can be investigated by matrix-assisted laser desorption/ionization-time-of-flight (MALDI-TOF)-MS after blotting.
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MESH Headings
- Animals
- Biochemistry/methods
- Blotting, Western
- Cell Membrane/metabolism
- Collagen/chemistry
- Dimerization
- Electrophoresis, Capillary
- Electrophoresis, Polyacrylamide Gel
- Fungal Proteins/chemistry
- Glycoproteins/chemistry
- Glycosylation
- Humans
- Mass Spectrometry
- Models, Chemical
- Oligosaccharides/chemistry
- Peptides/chemistry
- Phosphorylation
- Protein Processing, Post-Translational
- Proteins/chemistry
- Serine/chemistry
- Software
- Spectrometry, Mass, Electrospray Ionization
- Spectrometry, Mass, Matrix-Assisted Laser Desorption-Ionization
- Spectroscopy, Fourier Transform Infrared
- Threonine/chemistry
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46
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Zamfir A, Vukelić Z, Bindila L, Peter-Katalinić J, Almeida R, Sterling A, Allen M. Fully-automated chip-based nanoelectrospray tandem mass spectrometry of gangliosides from human cerebellum. JOURNAL OF THE AMERICAN SOCIETY FOR MASS SPECTROMETRY 2004; 15:1649-1657. [PMID: 15519233 DOI: 10.1016/j.jasms.2004.08.002] [Citation(s) in RCA: 65] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/16/2004] [Revised: 08/03/2004] [Accepted: 08/03/2004] [Indexed: 05/24/2023]
Abstract
The introduction of chip-based electrospray (ESI) ion sources into biological mass spectrometry (MS) addressed the fundamental issue of how to analyze minute amounts of complex biological systems. The automation of sample delivery into the MS combined with the chip-based ESI allows for high quality bioanalysis in a high-throughput fashion. These advantages have already been demonstrated in proteomics, direct screening of drugs and drug discovery. As part of our continuing effort to implement automated chip-based mass spectrometry into the field of complex carbohydrate analysis, we hereby report the development of a chipESI MS and MS/MS methodology for the screening of gangliosides. A strategy to characterize a complex ganglioside mixture from human cerebellar tissue, by automated ESIchip-quadrupole time-of-flight (QTOF) MS and MS/MS is presented here. The feasibility of this method, and the general experimental requirements for automated chipESI MS analysis of these carbohydrate species is described.
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Affiliation(s)
- Alina Zamfir
- Institute for Medical Physics and Biophysics, Biomedical Analysis, University of Münster, Münster, Germany.
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47
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Henriksen J, Ringborg LH, Roepstorrf P. On-line size-exclusion chromatography/mass spectrometry of low molecular mass heparin. JOURNAL OF MASS SPECTROMETRY : JMS 2004; 39:1305-1312. [PMID: 15532070 DOI: 10.1002/jms.723] [Citation(s) in RCA: 41] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/24/2023]
Abstract
Heparin and low molecular mass heparin (LMMH) consists of complex mixtures of sulphated linear oligosaccharides that are difficult to analyse. An on-line size exclusion chromatographic/electrospray ionization (ESI) mass spectrometric method that allows the determination of more than 60 components in an LMMH preparation is presented. The experimental setup includes on-line cation exchange in order to prevent massive adducting in the ESI interface.
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Affiliation(s)
- Jens Henriksen
- Department of Spectroscopy, LEO Pharma A/S, 2750 Ballerup, Denmark.
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48
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Saad OM, Leary JA. Delineating mechanisms of dissociation for isomeric heparin disaccharides using isotope labeling and ion trap tandem mass spectrometry. JOURNAL OF THE AMERICAN SOCIETY FOR MASS SPECTROMETRY 2004; 15:1274-86. [PMID: 15337508 DOI: 10.1016/j.jasms.2004.05.008] [Citation(s) in RCA: 72] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/27/2004] [Revised: 05/11/2004] [Accepted: 05/12/2004] [Indexed: 05/10/2023]
Abstract
Heparin and heparan sulfate (HS) glycosaminoglycans have been identified as important players in many physiological as well as pathophysiological settings. A better understanding of the biosynthesis and structure of these molecules is critical for further elucidation of their biological function. We have demonstrated the successful use of negative electrospray ionization tandem mass spectrometry in the differentiation of all twelve standard heparin-building blocks, including the potentially important N-unsubstituted disaccharides. Collision induced dissociation of each of the isomeric disaccharides provided unique product ion spectra, useful for identification and quantification of the relative amounts of each isomer present. In the research presented herein, isotopic labeling studies using (18)O and (2)H were used to determine the origins of each of the neutral losses observed in the product ion spectra, and mechanisms of dissociation consistent with the observed data were postulated. The general mechanisms postulated were for the generation of B, Y, and Z ions formed from glycosidic cleavages, as well as A and X ions formed from cross-ring cleavages. The eight isomeric heparin disaccharides all underwent cross-ring cleavage to form (0,2)X(1) and (0,2)A(2) ions, and further experiments suggest that the mechanisms of formation of these ions are through a charge-remote process. The tandem mass spectrometry data presented herein also provide a foundation for further developments towards a practical analysis tool for the structural elucidation of larger, biologically important heparin/HS oligosaccharides by using mass spectrometry.
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Affiliation(s)
- Ola M Saad
- Department of Chemistry, University of California at Berkeley, Berkeley, California 94720-1460, USA
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49
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Zamfir A, Seidler DG, Schönherr E, Kresse H, Peter-Katalinic J. On-line sheathless capillary electrophoresis/nanoelectrospray ionization-tandem mass spectrometry for the analysis of glycosaminoglycan oligosaccharides. Electrophoresis 2004; 25:2010-2016. [PMID: 15237401 DOI: 10.1002/elps.200405925] [Citation(s) in RCA: 74] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
A novel approach in glycosaminoglycomics, based on sheathless on-line capillary electrophoresis/nanoelectrospray ionization-quadrupole time of flight-mass spectrometry (CE/nanoESI-QTOF-MS) and tandem MS of extended chondroitin sulfate/dermatan (CS/DS) oligosaccharide chains is described. The methodology required the construction of a new sheathless CE/nanoESI-QTOF-MS configuration, its implementation and optimization for the high sensitivity analysis of CS/DS oligosaccharide mixtures from conditioned culture medium of decorin transfected human embryonic kidney (HEK) 293 cells. Under newly established sheathless on-line CE/(-)nanoESI conditions for glycosaminoglycan (GAG) ionization and MS detection, single CS/DS oligosaccharide components of extended chain length and increased sulfation degree were identified. Molecular ions corresponding to species carrying 5 and 6 negative charges could be generated for large GAG oligosaccharide species in the negative ion nanoESI-MS. The optimized on-line conditions enabled the detection of molecular ions assigned to oversulfated tetradeca-, octadeca-, and eicosasaccharide CS/DS molecules, which represent the category of largest sulfated GAG-derived oligosaccharides evidenced by CE/ESI-MS. By on-line CE/ESI tandem MS in data-dependent acquisition mode the oversulfated eicosasaccharide species could be sequenced and the localization of the additional sulfate group along the chain could be determined.
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Affiliation(s)
- Alina Zamfir
- Institute for Medical Physics and Biophysics, Biomedical Analysis Department
| | - Daniela G Seidler
- Institute of Physiological Chemistry and Pathobiochemistry, UKM, University of Münster, Münster, Germany
| | - Elke Schönherr
- Institute of Physiological Chemistry and Pathobiochemistry, UKM, University of Münster, Münster, Germany
- Matrix Biology and Tissue Repair Research Unit, University of Wales, Medical College, Dental School, Cardiff, UK
| | - Hans Kresse
- Institute of Physiological Chemistry and Pathobiochemistry, UKM, University of Münster, Münster, Germany
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Zamfir A, Peter-Katalinić J. Capillary electrophoresis-mass spectrometry for glycoscreening in biomedical research. Electrophoresis 2004; 25:1949-1963. [PMID: 15237394 DOI: 10.1002/elps.200405825] [Citation(s) in RCA: 108] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
Application of capillary electrophoresis (CE) in combination with mass spectrometry (MS) and tandem MS to glycoscreening in biomedical projects is highlighted. In the first part recent CE-MS experiments by sheath liquid CE and multiple stage MS are reported. Neutral and negatively charged N-glycan mixtures from ribonuclease B and fetuin, high-mannose type N-glycoforms, oligosaccharides from lipopolysaccharides (LPS) of Haemophilus influenzae, polysaccharides of Pseudomonas aeruginosa and Staphylococcus aureus were analyzed. A particular emphasis is devoted to the applicability of novel off- and on-line CE-MS and tandem MS methods for screening of proteoglycan-derived oligosaccharides, glycosaminoglycans (GAGs), such as hyaluronates from Streptococcus agalactiae, chondroitin/dermatan sulfates (CS/DS) from bovine aorta and human skin fibroblast decorin, and heparin/heparan sulfate (HS) from porcine and bovine mucosa. The performance of CE-MS/MS for identification of glycoforms in glycopeptides and glycoproteins is illustrated by experiments performed on complex mixtures from urine of patients suffering from a hereditary N-acetylhexosaminidase deficiency (Schindler's disease) and urine of patients suffering from cancer cachexia. For determination of glycosylation patterns in glycoproteins like enzymes and antibodies by CE/MS, both CE-matrix assisted laser desorption/ionization (MALDI) and CE-electrospray ionization (ESI)-MS were functional. Finally, the potential of CE-ESI-MS strategy in glycolipid analysis is demonstrated for gangliosides from bovine brain for which particular CE buffer conditions are required.
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Affiliation(s)
- Alina Zamfir
- Institute for Medical Physics and Biophysics, Biomedical Analysis Department, University of Münster, Münster, Germany
| | - Jasna Peter-Katalinić
- Institute for Medical Physics and Biophysics, Biomedical Analysis Department, University of Münster, Münster, Germany
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