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Reyes-Weiss DS, Bligh M, Rhein-Knudsen N, Hehemann JH, Liebeke M, Westereng B, Horn SJ. Application of MALDI-MS for characterization of fucoidan hydrolysates and screening of endo-fucoidanase activity. Carbohydr Polym 2024; 340:122317. [PMID: 38858030 DOI: 10.1016/j.carbpol.2024.122317] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2024] [Revised: 05/22/2024] [Accepted: 05/24/2024] [Indexed: 06/12/2024]
Abstract
Brown macroalgae synthesize large amounts of fucoidans, sulfated fucose-containing polysaccharides, in the ocean. Fucoidans are of importance for their recently discovered contribution to marine carbon dioxide sequestration and due to their potential applications in biotechnology and biomedicine. However, fucoidans have high intra- and intermolecular diversity that challenges assignment of structure to biological function and the development of applications. Fucoidan-active enzymes may be used to simplify this diversity by producing defined oligosaccharides more applicable for structural refinement, characterization, and structure to function assignment for example via bioassays. In this study, we combined MALDI mass spectrometry with biocatalysis to show that the endo-fucoidanases P5AFcnA and Wv323 can produce defined oligosaccharide structures directly from unrefined macroalgal biomass. P5AFcnA released oligosaccharides from seven commercial fucoidan extracts in addition to unrefined biomass of three macroalgae species indicating a broadly applicable approach reproducible across 10 species. Both MALDI-TOF/TOF and AP-MALDI-Orbitrap systems were used, demonstrating that the approach is not instrument-specific and exploiting their combined high-throughput and high-resolution capabilities. Overall, the combination of MALDI-MS and endo-fucoidanase assays offers high-throughput evaluation of fucoidan samples and also enables extraction of defined oligosaccharides of known structure from unrefined seaweed biomass.
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Affiliation(s)
- Diego S Reyes-Weiss
- Department of Chemistry, Biotechnology, and Life Science, Norwegian University of Life Sciences (NMBU), Christian Magnus Falsens vei 18, 1433 Ås, Norway
| | - Margot Bligh
- University of Bremen, MARUM Centre for Marine Environmental Sciences, Leobener Str. 8, D-28359 Bremen, Germany; Max Planck Institute for Marine Microbiology, Celsiusstr. 1, D-28359 Bremen, Germany
| | - Nanna Rhein-Knudsen
- Department of Chemistry, Biotechnology, and Life Science, Norwegian University of Life Sciences (NMBU), Christian Magnus Falsens vei 18, 1433 Ås, Norway
| | - Jan-Hendrik Hehemann
- University of Bremen, MARUM Centre for Marine Environmental Sciences, Leobener Str. 8, D-28359 Bremen, Germany; Max Planck Institute for Marine Microbiology, Celsiusstr. 1, D-28359 Bremen, Germany
| | - Manuel Liebeke
- Max Planck Institute for Marine Microbiology, Celsiusstr. 1, D-28359 Bremen, Germany; University of Kiel, Institute for Human Nutrition and Food Science, Heinrich-Hecht-Platz 10, 24118 Kiel, Germany
| | - Bjørge Westereng
- Department of Chemistry, Biotechnology, and Life Science, Norwegian University of Life Sciences (NMBU), Christian Magnus Falsens vei 18, 1433 Ås, Norway
| | - Svein Jarle Horn
- Department of Chemistry, Biotechnology, and Life Science, Norwegian University of Life Sciences (NMBU), Christian Magnus Falsens vei 18, 1433 Ås, Norway.
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2
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Chemical Modification of Glycosaminoglycan Polysaccharides. Molecules 2021; 26:molecules26175211. [PMID: 34500644 PMCID: PMC8434129 DOI: 10.3390/molecules26175211] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2021] [Revised: 08/20/2021] [Accepted: 08/21/2021] [Indexed: 12/16/2022] Open
Abstract
The linear anionic class of polysaccharides, glycosaminoglycans (GAGs), are critical throughout the animal kingdom for developmental processes and the maintenance of healthy tissues. They are also of interest as a means of influencing biochemical processes. One member of the GAG family, heparin, is exploited globally as a major anticoagulant pharmaceutical and there is a growing interest in the potential of other GAGs for diverse applications ranging from skin care to the treatment of neurodegenerative conditions, and from the treatment and prevention of microbial infection to biotechnology. To realize the potential of GAGs, however, it is necessary to develop effective tools that are able to exploit the chemical manipulations to which GAGs are susceptible. Here, the current knowledge concerning the chemical modification of GAGs, one of the principal approaches for the study of the structure-function relationships in these molecules, is reviewed. Some additional methods that were applied successfully to the analysis and/or processing of other carbohydrates, but which could be suitable in GAG chemistry, are also discussed.
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3
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Qiao M, Lin L, Xia K, Li J, Zhang X, Linhardt RJ. Recent advances in biotechnology for heparin and heparan sulfate analysis. Talanta 2020; 219:121270. [PMID: 32887160 PMCID: PMC7474733 DOI: 10.1016/j.talanta.2020.121270] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2020] [Revised: 05/29/2020] [Accepted: 05/30/2020] [Indexed: 01/07/2023]
Abstract
Heparan sulfate (HS) is a class of linear, sulfated, anionic polysaccharides, called glycosaminoglycans (GAGs), which present on the mammalian cell surfaces and extracellular matrix. HS GAGs display a wide range of critical biological functions, particularly in cell signaling. HS is composed of repeating units of 1 → 4 glucosidically linked uronic acid and glucosamine residues. Heparin, a pharmacologically important version of HS, having higher sulfation and a higher content of iduronic acid than HS, is a widely used clinical anticoagulant. However, due to their heterogeneity and complex structure, HS and heparin are very challenging to analyze, limiting biological studies and even resulting in safety concerns in their therapeutic application. Therefore, reliable methods of structural analysis of HS and heparin are critically needed. In addition to the structural analysis of heparin, its concentration in blood needs to be closely monitored to avoid complications such as thrombocytopenia or hemorrhage caused by heparin overdose. This review summarizes the progress in biotechnological approaches in the structural characterization of HS and heparin over the past decade and includes the development of the ultrasensitive approaches for detection and measurement in biological samples.
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Affiliation(s)
- Meng Qiao
- School of Food Science and Pharmaceutical Engineering, Nanjing Normal University, Wenyuan Road 1, Nanjing, 210023, China
| | - Lei Lin
- School of Environment, Nanjing Normal University, Wenyuan Road 1, Nanjing, 210023, China
| | - Ke Xia
- Department of Chemistry and Chemical Biology, Center for Biotechnology and Interdisciplinary Studies, Rensselaer Polytechnic Institute, Troy, NY, 12180, USA
| | - Jun Li
- CAS Key Laboratory of Tropical Marine Bio-Resources and Ecology, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou, 510301, China
| | - Xing Zhang
- School of Food Science and Pharmaceutical Engineering, Nanjing Normal University, Wenyuan Road 1, Nanjing, 210023, China.
| | - Robert J Linhardt
- Department of Chemistry and Chemical Biology, Center for Biotechnology and Interdisciplinary Studies, Rensselaer Polytechnic Institute, Troy, NY, 12180, USA; Department of Chemical and Biological Engineering, Center for Biotechnology and Interdisciplinary Studies, Rensselaer Polytechnic Institute, Troy, NY, 12180, USA.
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4
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Lin CH, Lee C, Wu YC, Lu IC. New Strategy to Preserve Phosphate by Ionic Liquid Matrices in Matrix-Assisted Laser Desorption/Ionization: A Case of Adenosine Nucleotides. Molecules 2020; 25:molecules25051217. [PMID: 32182713 PMCID: PMC7179418 DOI: 10.3390/molecules25051217] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2020] [Revised: 03/06/2020] [Accepted: 03/07/2020] [Indexed: 11/16/2022] Open
Abstract
Adenosine -5′-triphosphate (ATP) plays a valuable role in metabolic activity to produce adequate energy in a biosystem. A high ATP/AMP ratio has a correlation with diabetes that induces suppression of AMP-activated protein kinase (AMPK). Matrix-assisted laser desorption/ionization (MALDI)–mass spectrometry (MS) has outstanding potential in determining the ratio of several types of adenosine phosphates in a sample to rapidly understand the primary energy transfer in metabolism. Although MALDI is viewed as a soft ionization technique for MS analysis, excess photon energy might crack the phosphate bonds leading to misinterpretation of the ATP level. In this work, ionic liquid matrices (ILMs) were employed to reduce fragmentation and increase the detection efficiency during the MALDI process. This study demonstrated for the first time that 2,5-dihydroxybenzoic acid pyridine (DHBP) is one of the most effective matrices for further quantitative analysis of adenosine nucleotides. This systematic screening of ILMs also enhances the fundamental understanding of MALDI.
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Affiliation(s)
- Chih-Hao Lin
- Department of Chemistry, National Chung Hsing University, Taichung City 40227, Taiwan; (C.-H.L.); (Y.-C.W.)
| | - Chuping Lee
- Department of Applied Chemistry, National Chiayi University, Chiayi City 60004, Taiwan;
| | - Yu-Cheng Wu
- Department of Chemistry, National Chung Hsing University, Taichung City 40227, Taiwan; (C.-H.L.); (Y.-C.W.)
| | - I-Chung Lu
- Department of Chemistry, National Chung Hsing University, Taichung City 40227, Taiwan; (C.-H.L.); (Y.-C.W.)
- Correspondence: ; Tel.: +886-4-22840411 (ext. 502); Fax: +886-4-22862547
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Petković M, Leopold J, Popović I, Dimić D, Ilić J, Nenadović M, Rakočević Z, Schiller J. Performances of ionic liquid matrices with butyl ammonium counterion for matrix-assisted laser desorption/ionization mass spectrometric detection and analysis of sucralfate. J Carbohydr Chem 2019. [DOI: 10.1080/07328303.2019.1669633] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Marijana Petković
- Department of Atomic Physics, VINČA Institute of Nuclear Sciences, University of Belgrade, Belgrade, Serbia
| | - Jenny Leopold
- Institute for Medical Physics and Biophysics, Faculty of Medicine, Leipzig University, Leipzig, Germany
| | - Iva Popović
- Department of Atomic Physics, VINČA Institute of Nuclear Sciences, University of Belgrade, Belgrade, Serbia
| | - Dušan Dimić
- Faculty of Physical Chemistry, University of Belgrade, Belgrade, Serbia
| | - Jelica Ilić
- Faculty of Physical Chemistry, University of Belgrade, Belgrade, Serbia
| | - Miloš Nenadović
- Department of Atomic Physics, VINČA Institute of Nuclear Sciences, University of Belgrade, Belgrade, Serbia
| | - Zlatko Rakočević
- Department of Atomic Physics, VINČA Institute of Nuclear Sciences, University of Belgrade, Belgrade, Serbia
| | - Jürgen Schiller
- Institute for Medical Physics and Biophysics, Faculty of Medicine, Leipzig University, Leipzig, Germany
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6
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Lee C, Ni CK. Soft Matrix-Assisted Laser Desorption/Ionization for Labile Glycoconjugates. JOURNAL OF THE AMERICAN SOCIETY FOR MASS SPECTROMETRY 2019; 30:1455-1463. [PMID: 30993639 DOI: 10.1007/s13361-019-02208-4] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/28/2018] [Revised: 03/24/2019] [Accepted: 03/25/2019] [Indexed: 06/09/2023]
Abstract
Since its introduction, matrix-assisted laser desorption/ionization (MALDI) has been widely used for the mass analysis of biomolecules. The "soft ionization" of MALDI enables accurate mass determination of intact biomolecules. However, the ionization and desorption processes of MALDI are not adequately soft as many labile biomolecules, such as glycoconjugates containing sialic acid or the sulfate functional group, easily dissociate into fragments and sometimes, no intact molecules are observed. In this study, we compared the conventional matrix of MALDI, namely 2,5-dihydroxybenzoic acid, to various soft matrices of MALDI-specifically, 5-methoxysalicylic acid, diamond nanoparticle trilayers, HgTe nanostructures, ionic liquid, and droplets of frozen solutions-by using three labile glycoconjugates as analytes: gangliosides, heparin, and pullulan. We demonstrated that droplets of frozen solution are the softest matrices for gangliosides and heparin. In particular, droplets of frozen solution do not generate fragments for gangliosides and can be used to determine the relative abundance of various gangliosides, whereas ionic liquid 2,5-dihydroxybenzoic acid butylamine is the most suitable matrix for pullulan mass analysis. Graphical Abstract.
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Affiliation(s)
- Chuping Lee
- Institute of Atomic and Molecular Sciences, Academia Sinica, P. O. Box 23-166, Taipei, 10617, Taiwan
- Department of Chemistry, Wayne State University, Detroit, MI, 48202, USA
| | - Chi-Kung Ni
- Institute of Atomic and Molecular Sciences, Academia Sinica, P. O. Box 23-166, Taipei, 10617, Taiwan.
- Department of Chemistry, National Tsing Hua University, Hsinchu, 30013, Taiwan.
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Sadowski R, Gadzała-Kopciuch R, Buszewski B. Recent Developments in the Separation of Low Molecular Weight Heparin Anticoagulants. Curr Med Chem 2019; 26:166-176. [PMID: 28982317 DOI: 10.2174/0929867324666171005114150] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2016] [Revised: 08/11/2016] [Accepted: 09/05/2017] [Indexed: 11/22/2022]
Abstract
The general function of anticoagulants is to prevent blood clotting and growing of the existing clots in blood vessels. In recent years, there has been a significant improvement in developing methods of prevention as well as pharmacologic and surgical treatment of thrombosis. For over the last two decades, low molecular weight heparins (LMWHs) have found their application in the antithrombotic diseases treatment. These types of drugs are widely used in clinical therapy. Despite the biological and medical importance of LMWHs, they have not been completely characterized in terms of their chemical structure. Due to both, the structural complexity of these anticoagulants and the presence of impurities, their structural characterization requires the employment of advanced analytical techniques. Since separation techniques play the key role in these endeavors, this review will focus on the presentation of recent developments in the separation of LMWH anticoagulants.
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Affiliation(s)
- Radosław Sadowski
- Department of Environmental Chemistry and Bioanalytics, Faculty of Chemistry, Nicolaus Copernicus University, Torun, Poland.,Interdisciplinary Centre of Modern Technologies, Nicolaus Copernicus University, Toruń, Poland
| | - Renata Gadzała-Kopciuch
- Department of Environmental Chemistry and Bioanalytics, Faculty of Chemistry, Nicolaus Copernicus University, Torun, Poland.,Interdisciplinary Centre of Modern Technologies, Nicolaus Copernicus University, Toruń, Poland
| | - Bogusław Buszewski
- Department of Environmental Chemistry and Bioanalytics, Faculty of Chemistry, Nicolaus Copernicus University, Torun, Poland.,Interdisciplinary Centre of Modern Technologies, Nicolaus Copernicus University, Toruń, Poland
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8
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Zhao X, Cai P, Sun C, Pan Y. Application of ionic liquids in separation and analysis of carbohydrates: State of the art and future trends. Trends Analyt Chem 2019. [DOI: 10.1016/j.trac.2018.12.008] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
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9
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Abdelhamid HN. Ionic Liquid-Assisted Laser Desorption/Ionization-Mass Spectrometry: Matrices, Microextraction, and Separation. Methods Protoc 2018; 1:E23. [PMID: 31164566 PMCID: PMC6526421 DOI: 10.3390/mps1020023] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2018] [Revised: 06/13/2018] [Accepted: 06/15/2018] [Indexed: 12/16/2022] Open
Abstract
Ionic liquids (ILs) have advanced a variety of applications, including matrix-assisted laser desorption/ionization-mass spectrometry (MALDI-MS). ILs can be used as matrices and solvents for analyte extraction and separation prior to analysis using laser desorption/ionization-mass spectrometry (LDI-MS). Most ILs show high stability with negligible sublimation under vacuum, provide high ionization efficiency, can be used for qualitative and quantitative analyses with and without internal standards, show high reproducibility, form homogenous spots during sampling, and offer high solvation efficiency for a wide range of analytes. Ionic liquids can be used as solvents and pseudo-stationary phases for extraction and separation of a wide range of analytes, including proteins, peptides, lipids, carbohydrates, pathogenic bacteria, and small molecules. This review article summarizes the recent advances of ILs applications using MALDI-MS. The applications of ILs as matrices, solvents, and pseudo-stationary phases, are also reviewed.
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10
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Gupta R, Ponnusamy MP. Analysis of sulfates on low molecular weight heparin using mass spectrometry: structural characterization of enoxaparin. Expert Rev Proteomics 2018; 15:503-513. [PMID: 29782806 PMCID: PMC10134193 DOI: 10.1080/14789450.2018.1480110] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Abstract
INTRODUCTION Structural characterization of low molecular weight heparin (LMWH) is critical to meet biosimilarity standards. In this context, the review focuses on structural analysis of labile sulfates attached to the side-groups of LMWH using mass spectrometry. A comprehensive review of this topic will help readers to identify key strategies for tackling the problem related to sulfate loss. At the same time, various mass spectrometry techniques are presented to facilitate compositional analysis of LMWH, mainly enoxaparin. Areas covered: This review summarizes findings on mass spectrometry application for LMWH, including modulation of sulfates, using enzymology and sample preparation approaches. Furthermore, popular open-source software packages for automated spectral data interpretation are also discussed. Successful use of LC/MS can decipher structural composition for LMWH and help evaluate their sameness or biosimilarity with the innovator molecule. Overall, the literature has been searched using PubMed by typing various search queries such as 'enoxaparin', 'mass spectrometry', 'low molecular weight heparin', 'structural characterization', etc. Expert commentary: This section highlights clinically relevant areas that need improvement to achieve satisfactory commercialization of LMWHs. It also primarily emphasizes the advancements in instrumentation related to mass spectrometry, and discusses building automated software for data interpretation and analysis.
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Affiliation(s)
- Rohitesh Gupta
- a Department of Biochemistry and Molecular Biology , University of Nebraska Medical Center , Omaha , Nebraska , USA
| | - Moorthy P Ponnusamy
- a Department of Biochemistry and Molecular Biology , University of Nebraska Medical Center , Omaha , Nebraska , USA.,b Eppley Institute for Research in Cancer and Allied Diseases and Buffett Cancer Center , University of Nebraska Medical Center , Omaha , Nebraska , USA
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11
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Calvano CD, Monopoli A, Cataldi TRI, Palmisano F. MALDI matrices for low molecular weight compounds: an endless story? Anal Bioanal Chem 2018; 410:4015-4038. [DOI: 10.1007/s00216-018-1014-x] [Citation(s) in RCA: 97] [Impact Index Per Article: 16.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2017] [Revised: 02/27/2018] [Accepted: 03/08/2018] [Indexed: 10/17/2022]
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12
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Analysis of Glycosaminoglycan Oligosaccharides by Combined HPTLC/MALDI-TOF MS: Reduced Silica Gel Thickness Leads to Improved Spectral Qualities and Reduced Side Reactions. Chromatographia 2015. [DOI: 10.1007/s10337-015-2971-2] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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13
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Farrán A, Cai C, Sandoval M, Xu Y, Liu J, Hernáiz MJ, Linhardt RJ. Green solvents in carbohydrate chemistry: from raw materials to fine chemicals. Chem Rev 2015; 115:6811-53. [PMID: 26121409 DOI: 10.1021/cr500719h] [Citation(s) in RCA: 155] [Impact Index Per Article: 17.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
- Angeles Farrán
- †Departamento de Química Orgánica y Bio-Orgánica, Facultad de Ciencias, Universidad Nacional de Educación a Distancia, Paseo Senda del Rey 4, 28040 Madrid, Spain
| | - Chao Cai
- ‡Key Laboratory of Marine Drugs of Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, Qingdao 266003, China
| | - Manuel Sandoval
- §Escuela de Química, Universidad Nacional of Costa Rica, Post Office Box 86, 3000 Heredia, Costa Rica
| | - Yongmei Xu
- ∥Division of Chemical Biology and Medicinal Chemistry, Eshelman School of Pharmacy, University of North Carolina, Chapel Hill, North Carolina 27599, United States
| | - Jian Liu
- ∥Division of Chemical Biology and Medicinal Chemistry, Eshelman School of Pharmacy, University of North Carolina, Chapel Hill, North Carolina 27599, United States
| | - María J Hernáiz
- ▽Departamento de Química Orgánica y Farmacéutica, Facultad de Farmacia, Universidad Complutense de Madrid, Pz/Ramón y Cajal s/n, 28040 Madrid, Spain
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14
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Fukuyama Y. MALDI Matrix Research for Biopolymers. ACTA ACUST UNITED AC 2015; 4:A0037. [PMID: 26819908 DOI: 10.5702/massspectrometry.a0037] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2015] [Accepted: 03/10/2015] [Indexed: 11/23/2022]
Abstract
Matrices are necessary materials for ionizing analytes in matrix-assisted laser desorption/ionization-mass spectrometry (MALDI-MS). The choice of a matrix appropriate for each analyte controls the analyses. Thus, in some cases, development or improvement of matrices can become a tool for solving problems. This paper reviews MALDI matrix research that the author has conducted in the recent decade. It describes glycopeptide, carbohydrate, or phosphopeptide analyses using 2,5-dihydroxybenzoic acid (2,5-DHB), 1,1,3,3-tetramethylguanidinium (TMG) salts of p-coumaric acid (CA) (G3CA), 3-aminoquinoline (3-AQ)/α-cyano-4-hydroxycinnamic acid (CHCA) (3-AQ/CHCA) or 3-AQ/CA and gengeral peptide, peptide containing disulfide bonds or hydrophobic peptide analyses using butylamine salt of CHCA (CHCAB), 1,5-diaminonaphthalene (1,5-DAN), octyl 2,5-dihydroxybenzoate (alkylated dihydroxybenzoate, ADHB), or 1-(2,4,6-trihydroxyphenyl)octan-1-one (alkylated trihydroxyacetophenone, ATHAP).
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Affiliation(s)
- Yuko Fukuyama
- Koichi Tanaka Mass Spectrometry Research Laboratory, Shimadzu Corporation
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15
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Yoon D, Lee D, Lee JH, Cha S, Oh HB. Quantitative analysis of polyhexamethylene guanidine (PHMG) oligomers via matrix-assisted laser desorption/ionization time-of-flight mass spectrometry with an ionic-liquid matrix. RAPID COMMUNICATIONS IN MASS SPECTROMETRY : RCM 2015; 29:213-219. [PMID: 25641496 DOI: 10.1002/rcm.7096] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/05/2014] [Revised: 11/09/2014] [Accepted: 11/10/2014] [Indexed: 06/04/2023]
Abstract
RATIONALE Quantifying polymers by matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOFMS) with a conventional crystalline matrix generally suffers from poor sample-to-sample or shot-to-shot reproducibility. An ionic-liquid matrix has been demonstrated to mitigate these reproducibility issues by providing a homogeneous sample surface, which is useful for quantifying polymers. In the present study, we evaluated the use of an ionic liquid matrix, i.e., 1-methylimidazolium α-cyano-4-hydroxycinnamate (1-MeIm-CHCA), to quantify polyhexamethylene guanidine (PHMG) samples that impose a critical health hazard when inhaled in the form of droplets. METHODS MALDI-TOF mass spectra were acquired for PHMG oligomers using a variety of ionic-liquid matrices including 1-MeIm-CHCA. Calibration curves were constructed by plotting the sum of the PHMG oligomer peak areas versus PHMG sample concentration with a variety of peptide internal standards. RESULTS Compared with the conventional crystalline matrix, the 1-MeIm-CHCA ionic-liquid matrix had much better reproducibility (lower standard deviations). Furthermore, by using an internal peptide standard, good linear calibration plots could be obtained over a range of PMHG concentrations of at least 4 orders of magnitude. CONCLUSIONS This study successfully demonstrated that PHMG samples can be quantitatively characterized by MALDI-TOFMS with an ionic-liquid matrix and an internal standard.
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Affiliation(s)
- Donhee Yoon
- Department of Chemistry, Sogang University, Seoul, 121-742, Korea
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Lang Y, Zhao X, Liu L, Yu G. Applications of mass spectrometry to structural analysis of marine oligosaccharides. Mar Drugs 2014; 12:4005-30. [PMID: 24983643 PMCID: PMC4113812 DOI: 10.3390/md12074005] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2014] [Revised: 04/28/2014] [Accepted: 05/06/2014] [Indexed: 11/23/2022] Open
Abstract
Marine oligosaccharides have attracted increasing attention recently in developing potential drugs and biomaterials for their particular physical and chemical properties. However, the composition and sequence analysis of marine oligosaccharides are very challenging for their structural complexity and heterogeneity. Mass spectrometry (MS) has become an important technique for carbohydrate analysis by providing more detailed structural information, including molecular mass, sugar constituent, sequence, inter-residue linkage position and substitution pattern. This paper provides an overview of the structural analysis based on MS approaches in marine oligosaccharides, which are derived from some biologically important marine polysaccharides, including agaran, carrageenan, alginate, sulfated fucan, chitosan, glycosaminoglycan (GAG) and GAG-like polysaccharides. Applications of electrospray ionization mass spectrometry (ESI-MS) are mainly presented and the general applications of matrix-assisted laser desorption/ionization mass spectrometry (MALDI-MS) are also outlined. Some technical challenges in the structural analysis of marine oligosaccharides by MS have also been pointed out.
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Affiliation(s)
- Yinzhi Lang
- Key Laboratory of Marine Drugs, Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, Qingdao 266003, China.
| | - Xia Zhao
- Key Laboratory of Marine Drugs, Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, Qingdao 266003, China.
| | - Lili Liu
- Key Laboratory of Marine Drugs, Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, Qingdao 266003, China.
| | - Guangli Yu
- Key Laboratory of Marine Drugs, Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, Qingdao 266003, China.
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Witt L, Pirkl A, Draude F, Peter-Katalinić J, Dreisewerd K, Mormann M. Water ice is a soft matrix for the structural characterization of glycosaminoglycans by infrared matrix-assisted laser desorption/ionization. Anal Chem 2014; 86:6439-46. [PMID: 24862464 DOI: 10.1021/ac5008706] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
Glycosaminoglycans (GAGs) are a class of heterogeneous, often highly sulfated glycans that form linear chains consisting of up to 100 monosaccharide building blocks and more. GAGs are ubiquitous constituents of connective tissue, cartilage, and the extracellular matrix, where they have key functions in many important biological processes. For their characterization by mass spectrometry (MS) and tandem MS, the high molecular weight polymers are usually enzymatically digested to oligomers with a low degree of polymerization (dp), typically disaccharides. However, owing to their lability elimination of sulfate groups upon desorption/ionization is often encountered leading to a loss of information on the analyte. Here, we demonstrate that, in particular, water ice constitutes an extremely mild matrix for the analysis of highly sulfated GAG disaccharides by infrared matrix-assisted laser desorption/ionization (IR-MALDI) mass spectrometry. Depending on the degree of sulfation, next to the singly charged ionic species doubly- and even triply charged ions are formed. An unambiguous assignment of the sulfation sites becomes possible by subjecting sodium adducts of the GAGs to low-energy collision-induced dissociation tandem MS. These ionic species exhibit a remarkable stability of the sulfate substituents, allowing the formation of fragment ions retaining their sulfation that arise from either cross-ring cleavages or rupture of the glycosidic bonds, thereby allowing an unambiguous assignment of the sulfation sites.
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Affiliation(s)
- Lukas Witt
- Institute for Hygiene, University of Münster , 48149 Münster, Germany
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Abdelhamid HN, Khan MS, Wu HF. Design, characterization and applications of new ionic liquid matrices for multifunctional analysis of biomolecules: A novel strategy for pathogenic bacteria biosensing. Anal Chim Acta 2014; 823:51-60. [DOI: 10.1016/j.aca.2014.03.026] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2014] [Revised: 03/16/2014] [Accepted: 03/19/2014] [Indexed: 01/01/2023]
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19
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Fukuyama Y, Funakoshi N, Iwamoto S, Tanaka K. Adding methanol to α-cyano-4-hydroxycinnamic acid butylamine salt as a liquid matrix to form a homogeneous spot on a focusing plate for highly sensitive and reproducible analyses in matrix-assisted laser desorption/ionization mass spectrometry. RAPID COMMUNICATIONS IN MASS SPECTROMETRY : RCM 2014; 28:662-664. [PMID: 24519829 DOI: 10.1002/rcm.6818] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/11/2013] [Revised: 12/24/2013] [Accepted: 12/25/2013] [Indexed: 06/03/2023]
Affiliation(s)
- Yuko Fukuyama
- Koichi Tanaka Mass Spectrometry Research Laboratory, Shimadzu Corporation, 1 Nishinokyo-Kuwabaracho, Nakagyo-ku, Kyoto, 604-8511, Japan; Koichi Tanaka Laboratory of Advanced Science and Technology, Shimadzu Corporation, 1 Nishinokyo-Kuwabaracho, Nakagyo-ku, Kyoto, 604-8511, Japan
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20
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Schiller J, Huster D. New methods to study the composition and structure of the extracellular matrix in natural and bioengineered tissues. BIOMATTER 2014; 2:115-31. [PMID: 23507863 PMCID: PMC3549865 DOI: 10.4161/biom.20866] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
The extracellular matrix (ECM) comprises a gel of numerous biopolymers that occurs in a multitude of biological tissues. The ECM provides the basic support and mechanical strength of skeletal tissue and is responsible for shape retention. At the same time, the ECM is responsible for the viscoelastic properties and the elasticity of soft tissues. As expected, there are several important diseases that affect and degenerate the ECM with severe consequences for its properties. Bioengineering is a promising approach to support the regenerative capacity of the body. Unfortunately, the biomechanical properties of bioengineered ECM often only poorly meet the standards of their native counterparts. Many bioengineered tissues are characterized by an increased glycosaminoglycan (GAG) but decreased collagen content. This leads to an enhanced water content that strongly alters the viscoelastic and thus the biomechanical properties. Therefore, compositional analysis is important to estimate the tissue quality. We will show that nuclear magnetic resonance (NMR) spectroscopy and soft-ionization mass spectrometry (MS) represent useful techniques for ECM research both in natural and bioengineered tissues. Both methods are strongly complimentary: while MS techniques such as matrix-assisted laser desorption and ionization (MALDI) are excellent and very sensitive analytical tools to determine the collagen and the GAG contents of tissues, NMR spectroscopy provides insight into the molecular architecture of the ECM, its dynamics and other important parameters such as the water content of the tissue as well as the diffusion of molecules within the ECM.
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Affiliation(s)
- Jürgen Schiller
- University of Leipzig, Medical Faculty, Institute of Medical Physics and Biophysics, Leipzig, Germany.
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21
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Fukuyama Y, Funakoshi N, Takeyama K, Hioki Y, Nishikaze T, Kaneshiro K, Kawabata SI, Iwamoto S, Tanaka K. 3-Aminoquinoline/p-Coumaric Acid as a MALDI Matrix for Glycopeptides, Carbohydrates, and Phosphopeptides. Anal Chem 2014; 86:1937-42. [DOI: 10.1021/ac4037087] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Affiliation(s)
- Yuko Fukuyama
- Koichi Tanaka Laboratory
of Advanced Science and Technology, Shimadzu Corporation, 1, Nishinokyo-Kuwabaracho, Nakagyo-ku, Kyoto 604-8511, Japan
| | - Natsumi Funakoshi
- Koichi Tanaka Laboratory
of Advanced Science and Technology, Shimadzu Corporation, 1, Nishinokyo-Kuwabaracho, Nakagyo-ku, Kyoto 604-8511, Japan
| | - Kohei Takeyama
- Koichi Tanaka Laboratory
of Advanced Science and Technology, Shimadzu Corporation, 1, Nishinokyo-Kuwabaracho, Nakagyo-ku, Kyoto 604-8511, Japan
| | - Yusaku Hioki
- Koichi Tanaka Laboratory
of Advanced Science and Technology, Shimadzu Corporation, 1, Nishinokyo-Kuwabaracho, Nakagyo-ku, Kyoto 604-8511, Japan
| | - Takashi Nishikaze
- Koichi Tanaka Laboratory
of Advanced Science and Technology, Shimadzu Corporation, 1, Nishinokyo-Kuwabaracho, Nakagyo-ku, Kyoto 604-8511, Japan
| | - Kaoru Kaneshiro
- Koichi Tanaka Laboratory
of Advanced Science and Technology, Shimadzu Corporation, 1, Nishinokyo-Kuwabaracho, Nakagyo-ku, Kyoto 604-8511, Japan
| | - Shin-ichirou Kawabata
- Koichi Tanaka Laboratory
of Advanced Science and Technology, Shimadzu Corporation, 1, Nishinokyo-Kuwabaracho, Nakagyo-ku, Kyoto 604-8511, Japan
| | - Shinichi Iwamoto
- Koichi Tanaka Laboratory
of Advanced Science and Technology, Shimadzu Corporation, 1, Nishinokyo-Kuwabaracho, Nakagyo-ku, Kyoto 604-8511, Japan
| | - Koichi Tanaka
- Koichi Tanaka Laboratory
of Advanced Science and Technology, Shimadzu Corporation, 1, Nishinokyo-Kuwabaracho, Nakagyo-ku, Kyoto 604-8511, Japan
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22
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Gesslbauer B, Theuer M, Schweiger D, Adage T, Kungl AJ. New targets for glycosaminoglycans and glycosaminoglycans as novel targets. Expert Rev Proteomics 2013; 10:77-95. [PMID: 23414361 DOI: 10.1586/epr.12.75] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
Biological functions of a variety of proteins are mediated via their interaction with glycosaminoglycans (GAGs). The structural diversity within the wide GAG landscape provides individual interaction sites for a multitude of proteins involved in several pathophysiological processes. This 'GAG angle' of such proteins as well as their specific GAG ligands give rise to novel therapeutic concepts for drug development. Current glycomic technologies to elucidate the glycan structure-function relationships, methods to investigate the selectivity and specificity of glycan-protein interactions and existing therapeutic approaches to interfere with GAG-protein interactions are discussed.
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Affiliation(s)
- Bernd Gesslbauer
- ProtAffin Biotechnologie AG, Reininghausstrasse 13a, 8020 Graz, Austria
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23
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Fukuyama Y, Takeyama K, Kawabata SI, Iwamoto S, Tanaka K. An optimized matrix-assisted laser desorption/ionization sample preparation using a liquid matrix, 3-aminoquinoline/α-cyano-4-hydroxycinnamic acid, for phosphopeptides. RAPID COMMUNICATIONS IN MASS SPECTROMETRY : RCM 2012; 26:2454-2460. [PMID: 22976212 DOI: 10.1002/rcm.6363] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
Abstract
RATIONALE A liquid matrix, 3-aminoquinoline (3-AQ)/α-cyano-4-hydroxycinnamic acid (CHCA), introduced by Kolli et al. in 1996 for matrix-assisted laser desorption/ionization mass spectrometry (MALDI-MS), has been reported for peptides and proteins, oligonucleotides, oligosaccharides, and glycopeptides. However, it has not been validated for phosphopeptides. METHODS We optimized sample preparation using 3-AQ/CHCA for phosphopeptides. The sensitivity of six phosphopeptide species as isolated or in digests was systematically evaluated by using MALDI-quadropole ion trap (QIT)-time of flight (TOF) MS in positive and negative ion modes, and compared with the conventional methods using a solid matrix, 2,5-dihydroxybenzoic acid (2,5-DHB). RESULTS The sensitivity of mono- and tetraphosphopeptides was improved 10- to 10 000-fold with the optimized preparation method using 3-AQ/CHCA compared with the conventional methods using 2,5-DHB. Improvement by 3-AQ/CHCA itself was 10-fold. Adding ammonium dihydrogen phosphate or an analyte solvent composition was also effectively improved the sensitivity. Phosphopeptides in isolated form or in digests were detected at femto- or subfemtomole levels. CONCLUSIONS Sensitivity of phosphopeptides was improved by the optimized sample preparation method using 3-AQ/CHCA compared with the conventional method using 2,5-DHB. The validation of 3-AQ/CHCA for phosphopeptides was systematically confirmed, expanding the potential of this matrix to phosphoproteomics.
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Affiliation(s)
- Yuko Fukuyama
- Koichi Tanaka Laboratory of Advanced Science and Technology, Shimadzu Corporation, 1 Nishinokyo-Kuwabaracho, Nakagyo-ku, Kyoto, 604-8511, Japan.
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24
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Li L, Zhang F, Zaia J, Linhardt RJ. Top-down approach for the direct characterization of low molecular weight heparins using LC-FT-MS. Anal Chem 2012; 84:8822-9. [PMID: 22985071 DOI: 10.1021/ac302232c] [Citation(s) in RCA: 93] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Low molecular heparins (LMWHs) are structurally complex, heterogeneous, polydisperse, and highly negatively charged mixtures of polysaccharides. The direct characterization of LMWH is a major challenge for currently available analytical technologies. Electrospray ionization (ESI) liquid chromatography-mass spectrometry (LC-MS) is a powerful tool for the characterization complex biological samples in the fields of proteomics, metabolomics, and glycomics. LC-MS has been applied to the analysis of heparin oligosaccharides, separated by size exclusion, reversed phase ion-pairing chromatography, and chip-based amide hydrophilic interaction chromatography (HILIC). However, there have been limited applications of ESI-LC-MS for the direct characterization of intact LMWHs (top-down analysis) due to their structural complexity, low ionization efficiency, and sulfate loss. Here we present a simple and reliable HILIC-Fourier transform (FT)-ESI-MS platform to characterize and compare two currently marketed LMWH products using the top-down approach requiring no special sample preparation steps. This HILIC system relies on cross-linked diol rather than amide chemistry, affording highly resolved chromatographic separations using a relatively high percentage of acetonitrile in the mobile phase, resulting in stable and high efficiency ionization. Bioinformatics software (GlycReSoft 1.0) was used to automatically assign structures within 5-ppm mass accuracy.
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Affiliation(s)
- Lingyun Li
- Department of Chemistry and Chemical Biology, Rensselaer Polytechnic Institute, Troy, New York 12180-3590, United States
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25
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Leach FE, Ly M, Laremore TN, Wolff JJ, Perlow J, Linhardt RJ, Amster IJ. Hexuronic acid stereochemistry determination in chondroitin sulfate glycosaminoglycan oligosaccharides by electron detachment dissociation. JOURNAL OF THE AMERICAN SOCIETY FOR MASS SPECTROMETRY 2012; 23:1488-97. [PMID: 22825742 PMCID: PMC3875141 DOI: 10.1007/s13361-012-0428-5] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/27/2011] [Revised: 05/31/2012] [Accepted: 06/01/2012] [Indexed: 05/03/2023]
Abstract
Electron detachment dissociation (EDD) has previously provided stereo-specific product ions that allow for the assignment of the acidic C-5stereochemistry in heparan sulfate glycosaminoglycans (GAGs), but application of the same methodology to an epimer pair in the chondroitin sulfate glycoform class does not provide the same result. A series of experiments have been conducted in which glycosaminoglycan precursor ions are independently activated by electron detachment dissociation (EDD), electron induced dissociation (EID), and negative electron transfer dissociation (NETD) to assign the stereochemistry in chondroitin sulfate (CS) epimers and investigate the mechanisms for product ion formation during EDD in CS glycoforms. This approach allows for the assignment of electronic excitation products formed by EID and detachment products to radical pathways in NETD, both of which occur simultaneously during EDD. The uronic acid stereochemistry in electron detachment spectra produces intensity differences when assigned glycosidic and cross-ring cleavages are compared. The variations in the intensities of the doubly deprotonated (0,2)X(3) and Y(3) ions have been shown to be indicative of CS-A/DS composition during the CID of binary mixtures. These ions can provide insight into the uronic acid composition of binary mixtures in EDD, but the relative abundances, although reproducible, are low compared with those in a CID spectrum acquired on an ion trap. The application of principal component analysis (PCA) presents a multivariate approach to determining the uronic acid stereochemistry spectra of these GAGs by taking advantage of the reproducible peak distributions produced by electron detachment.
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Affiliation(s)
- Franklin E. Leach
- Department of Chemistry, University of Georgia, Athens, GA 30602, USA
| | - Mellisa Ly
- Department of Chemistry and Chemical Biology, Rensselaer Polytechnic Institute, Troy, NY 12180, USA
- Agilent Technologies, Santa Clara, CA 95051, USA
| | - Tatiana N. Laremore
- Department of Chemistry and Chemical Biology, Rensselaer Polytechnic Institute, Troy, NY 12180, USA
- The Huck Institutes of the Life Sciences, The Pennsylvania State University, University Park, PA 16802, USA
| | | | - Jacob Perlow
- Department of Chemistry, University of Georgia, Athens, GA 30602, USA
| | - Robert J. Linhardt
- Department of Chemistry and Chemical Biology, Rensselaer Polytechnic Institute, Troy, NY 12180, USA
- Department of Chemical and Biological Engineering, Rensselaer Polytechnic Institute, Troy, NY 12180, USA
- Department of Biology, Center for Biotechnology and Interdisciplinary Studies, Rensselaer Polytechnic Institute, Troy, NY 12180, USA
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26
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Nishikaze T, Fukuyama Y, Kawabata SI, Tanaka K. Sensitive Analyses of Neutral N-Glycans using Anion-Doped Liquid Matrix G3CA by Negative-Ion Matrix-Assisted Laser Desorption/Ionization Mass Spectrometry. Anal Chem 2012; 84:6097-103. [DOI: 10.1021/ac3009803] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Takashi Nishikaze
- Koichi Tanaka
Laboratory of Advanced Science and Technology, Shimadzu Corporation, 1, Nishinokyo-Kuwabaracho, Nakagyo-ku,
Kyoto 604-8511, Japan
| | - Yuko Fukuyama
- Koichi Tanaka
Laboratory of Advanced Science and Technology, Shimadzu Corporation, 1, Nishinokyo-Kuwabaracho, Nakagyo-ku,
Kyoto 604-8511, Japan
| | - Shin-ichirou Kawabata
- Koichi Tanaka
Laboratory of Advanced Science and Technology, Shimadzu Corporation, 1, Nishinokyo-Kuwabaracho, Nakagyo-ku,
Kyoto 604-8511, Japan
| | - Koichi Tanaka
- Koichi Tanaka
Laboratory of Advanced Science and Technology, Shimadzu Corporation, 1, Nishinokyo-Kuwabaracho, Nakagyo-ku,
Kyoto 604-8511, Japan
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Abstract
Proteoglycans (PGs) are among the most structurally complex biomacromolecules in nature. They are present in all animal cells and frequently exert their critical biological functions through interactions with protein ligands and receptors. PGs are comprised of a core protein to which one or multiple, heterogeneous, and polydisperse glycosaminoglycan (GAG) chains are attached. Proteins, including the protein core of PGs, are now routinely sequenced either directly using proteomics or indirectly using molecular biology through their encoding DNA. The sequencing of the GAG component of PGs poses a considerably more difficult challenge because of the relatively underdeveloped state of glycomics and because the control of their biosynthesis in the endoplasmic reticulum and the Golgi is poorly understood and not believed to be template driven. Recently, the GAG chain of the simplest PG has been suggested to have a defined sequence based on its top-down Fourier transform mass spectral sequencing. This review examines the advances made over the past decade in the sequencing of GAG chains and the challenges the field face in sequencing complex PGs having critical biological functions in developmental biology and pathogenesis.
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Affiliation(s)
- Lingyun Li
- Department of Chemistry and Chemical Biology, Center for Biotechnology and Interdisciplinary Studies, Rensselaer Polytechnic Institute, Troy, New York, 12180, USA; Fax: +1 518-276-3405; Tel: +1 518-276-3404
| | - Mellisa Ly
- Department of Chemistry and Chemical Biology, Center for Biotechnology and Interdisciplinary Studies, Rensselaer Polytechnic Institute, Troy, New York, 12180, USA; Fax: +1 518-276-3405; Tel: +1 518-276-3404
| | - Robert J. Linhardt
- Department of Chemistry and Chemical Biology, Center for Biotechnology and Interdisciplinary Studies, Rensselaer Polytechnic Institute, Troy, New York, 12180, USA; Fax: +1 518-276-3405; Tel: +1 518-276-3404
- Department of Biology, Chemical and Biological Engineering and Biomedical Engineering, Center for Biotechnology and Interdisciplinary Studies, Rensselaer Polytechnic Institute, Troy, New York, 12180, USA
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28
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Recent advances in sialic acid-focused glycomics. J Proteomics 2012; 75:3098-112. [PMID: 22513219 DOI: 10.1016/j.jprot.2012.03.050] [Citation(s) in RCA: 53] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2012] [Revised: 03/23/2012] [Accepted: 03/27/2012] [Indexed: 01/24/2023]
Abstract
Recent emergences of glycobiology, glycotechnology and glycomics have been clarifying enormous roles of carbohydrates in biological recognition systems. For example, cell surface carbohydrates existing as glycoconjugates (glycolipids, glycoproteins and proteoglycans) play crucial roles in cell-cell communication, cell proliferation and differentiation, tumor metastasis, inflammatory response or viral infection. In particular, sialic acids (SAs) existing as terminal residues in carbohydrate chains on cell surface are involved in signal recognition and adhesion to ligands, antibodies, enzymes and microbes. In addition, plasma free SAs and sialoglycans have shown great potential for disease biomarker discovery. Therefore, the development of efficient analytical methods for structural and functional studies of SAs and sialylglycans are very important and highly demanded. The problems of SAs and sialylglycans analysis are vanishingly small sample amount, complicated and unstable structures, and complex mixtures. Nevertheless, in the past decade, mass spectrometry in combination with chemical derivatization and modern separation methodologies has become a powerful and versatile technique for structural analysis of SAs and sialylglycans. This review summarizes these recent advances in glycomic studies on SAs and sialylglycans. Specially, derivatization and capturing of SAs and sialylglycans combined with mass spectrometry analysis are highlighted.
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Robinson LN, Artpradit C, Raman R, Shriver ZH, Ruchirawat M, Sasisekharan R. Harnessing glycomics technologies: integrating structure with function for glycan characterization. Electrophoresis 2012; 33:797-814. [PMID: 22522536 PMCID: PMC3743516 DOI: 10.1002/elps.201100231] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Glycans, or complex carbohydrates, are a ubiquitous class of biological molecule which impinge on a variety of physiological processes ranging from signal transduction to tissue development and microbial pathogenesis. In comparison to DNA and proteins, glycans present unique challenges to the study of their structure and function owing to their complex and heterogeneous structures and the dominant role played by multivalency in their sequence-specific biological interactions. Arising from these challenges, there is a need to integrate information from multiple complementary methods to decode structure-function relationships. Focusing on acidic glycans, we describe here key glycomics technologies for characterizing their structural attributes, including linkage, modifications, and topology, as well as for elucidating their role in biological processes. Two cases studies, one involving sialylated branched glycans and the other sulfated glycosaminoglycans, are used to highlight how integration of orthogonal information from diverse datasets enables rapid convergence of glycan characterization for development of robust structure-function relationships.
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Affiliation(s)
- Luke N. Robinson
- Department of Biological Engineering, Harvard-MIT Division of Health Sciences & Technology and Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA
| | - Charlermchai Artpradit
- Program in Applied Biological Sciences: Environmental Health, Chulabhorn Graduate Institute, Bangkok, Thailand
| | - Rahul Raman
- Department of Biological Engineering, Harvard-MIT Division of Health Sciences & Technology and Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA
| | - Zachary H. Shriver
- Department of Biological Engineering, Harvard-MIT Division of Health Sciences & Technology and Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA
| | - Mathuros Ruchirawat
- Program in Applied Biological Sciences: Environmental Health, Chulabhorn Graduate Institute, Bangkok, Thailand
- Laboratory of Environmental Toxicology, Chulabhorn Research Institute, Bangkok, Thailand
| | - Ram Sasisekharan
- Department of Biological Engineering, Harvard-MIT Division of Health Sciences & Technology and Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA
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30
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Wang H, Wu Y, Guo B, Sun W, Ding L, Chen B. Quantification of low-polar small molecules using room temperature ionic liquids matrix-assisted desorption corona beam ionization. Analyst 2012; 137:3982-8. [DOI: 10.1039/c2an35508f] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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31
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Payagala T, Armstrong DW. Chiral ionic liquids: a compendium of syntheses and applications (2005-2012). Chirality 2011; 24:17-53. [PMID: 22144292 DOI: 10.1002/chir.21975] [Citation(s) in RCA: 109] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2011] [Accepted: 09/30/2011] [Indexed: 11/07/2022]
Abstract
In recent years, the field of chiral ionic liquids (CILs) has undergone exponential growth. As the technology has advanced, new ways of synthesizing stable and structurally diverse ionic liquids have been established. This has led to heretofore unknown applications of CILs as well as in improving efficiency of previously identified applications. In this review article we have compiled a comprehensive database containing structures and physical properties of notable CILs that have been synthesized during the last 6 years. Their applications in the fields of asymmetric organic synthesis, spectroscopy, and chromatography are also illustrated. This is an expansion of our previous review, which covered the literature before 2005.
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Affiliation(s)
- Tharanga Payagala
- Department of Chemistry and Biochemistry, University of Texas at Arlington, Arlington, Texas 76019, USA
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32
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Huang R, Pomin VH, Sharp JS. LC-MS(n) analysis of isomeric chondroitin sulfate oligosaccharides using a chemical derivatization strategy. JOURNAL OF THE AMERICAN SOCIETY FOR MASS SPECTROMETRY 2011; 22:1577-87. [PMID: 21953261 PMCID: PMC3187560 DOI: 10.1007/s13361-011-0174-0] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/16/2011] [Revised: 05/16/2011] [Accepted: 05/19/2011] [Indexed: 05/04/2023]
Abstract
Improved methods for structural analyses of glycosaminoglycans (GAGs) are required to understand their functional roles in various biological processes. Major challenges in structural characterization of complex GAG oligosaccharides using liquid chromatography-mass spectrometry (LC-MS) include the accurate determination of the patterns of sulfation due to gas-phase losses of the sulfate groups upon collisional activation and inefficient on-line separation of positional sulfation isomers prior to MS/MS analyses. Here, a sequential chemical derivatization procedure including permethylation, desulfation, and acetylation was demonstrated to enable both on-line LC separation of isomeric mixtures of chondroitin sulfate (CS) oligosaccharides and accurate determination of sites of sulfation by MS(n). The derivatized oligosaccharides have sulfate groups replaced with acetyl groups, which are sufficiently stable to survive MS(n) fragmentation and reflect the original sulfation patterns. A standard reversed-phase LC-MS system with a capillary C18 column was used for separation, and MS(n) experiments using collision-induced dissociation (CID) were performed. Our results indicate that the combination of this derivatization strategy and MS(n) methodology enables accurate identification of the sulfation isomers of CS hexasaccharides with either saturated or unsaturated nonreducing ends. Moreover, derivatized CS hexasaccharide isomer mixtures become separable by LC-MS method due to different positions of acetyl modifications.
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Affiliation(s)
- Rongrong Huang
- Complex Carbohydrate Research Center, University of Georgia, Athens, GA, USA
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33
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Yang H, Wang J, Song F, Zhou Y, Liu S. Isoliquiritigenin (4,2',4'-trihydroxychalcone): a new matrix-assisted laser desorption/ionization matrix with outstanding properties for the analysis of neutral oligosaccharides. Anal Chim Acta 2011; 701:45-51. [PMID: 21763807 DOI: 10.1016/j.aca.2011.05.051] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2011] [Revised: 05/30/2011] [Accepted: 05/31/2011] [Indexed: 10/18/2022]
Abstract
A novel matrix of isoliquiritigenin (ISL), a flavonoid with a chalcone structure (4,2',4'-trihydroxychalcone), was demonstrated to be advantageous in the analysis of neutral oligosaccharides by matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOF MS). With ISL as a matrix, adequate signal for an analyte can be obtained in much lower matrix concentrations and laser intensity compared to commonly used MALDI matrices. Four different sample preparation methods were tested, and the dried droplet method exhibited the best performance on MALDI-TOF-MS analysis of oligosaccharides with ISL as a matrix. For the analysis of carbohydrates, compared with popular matrices such as 2,5-dihydroxybenzoic acid (DHB) and 2,4,6-trihydroxyacetophenone (THAP), ISL exhibited outstanding matrix properties as follows: (1) higher homogeneity of crystallization thus allowing automatic data acquisition, (2) better spectral quality in terms of resolution and signal to noise ratio (SN(-1)), (3) better salt tolerance, (4) higher sensitivity, and (5) enough fragmentation yield to use LIFT-TOF/TOF MS to get richer structural information. In addition, reliable quantitative analysis of oligosaccharides with a good linearity over two concentration orders (1-100 pmol μL(-1)) and good reproducibility of the signal intensity (RSD less than 15%) were achieved using this matrix. These results give a new outlook on high-speed analysis of neutral carbohydrates by MALDI-TOF MS.
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Affiliation(s)
- Hongmei Yang
- Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, China
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34
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Przybylski C, Blin F, Jarroux N. Toward a More Accurate Structural Determination of High Molecular Weight Polyrotaxanes Based on Cyclodextrins by MALDI−TOF MS. Macromolecules 2011. [DOI: 10.1021/ma102641q] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Cédric Przybylski
- Laboratoire Analyse et Modélisation pour la Biologie et l'Environnement, Université d’Evry-Val-d’Essonne, 91025 Evry, France
- Laboratoire Analyse et Modélisation pour la Biologie et l'Environnement, CNRS UMR 8587, Université Evry-Val-d’Essonne, Bâtiment Maupertuis, bd F. Mitterrand, 91025 Evry, France
| | - François Blin
- Laboratoire Analyse et Modélisation pour la Biologie et l'Environnement, Université d’Evry-Val-d’Essonne, 91025 Evry, France
- Laboratoire Analyse et Modélisation pour la Biologie et l'Environnement, CNRS UMR 8587, Université Evry-Val-d’Essonne, Bâtiment Maupertuis, bd F. Mitterrand, 91025 Evry, France
| | - Nathalie Jarroux
- Laboratoire Analyse et Modélisation pour la Biologie et l'Environnement, Université d’Evry-Val-d’Essonne, 91025 Evry, France
- Laboratoire Analyse et Modélisation pour la Biologie et l'Environnement, CNRS UMR 8587, Université Evry-Val-d’Essonne, Bâtiment Maupertuis, bd F. Mitterrand, 91025 Evry, France
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35
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Harvey DJ. Analysis of carbohydrates and glycoconjugates by matrix-assisted laser desorption/ionization mass spectrometry: an update for the period 2005-2006. MASS SPECTROMETRY REVIEWS 2011; 30:1-100. [PMID: 20222147 DOI: 10.1002/mas.20265] [Citation(s) in RCA: 43] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
This review is the fourth update of the original review, published in 1999, on the application of MALDI mass spectrometry to the analysis of carbohydrates and glycoconjugates and brings coverage of the literature to the end of 2006. The review covers fundamental studies, fragmentation of carbohydrate ions, method developments, and applications of the technique to the analysis of different types of carbohydrate. Specific compound classes that are covered include carbohydrate polymers from plants, N- and O-linked glycans from glycoproteins, glycated proteins, glycolipids from bacteria, glycosides, and various other natural products. There is a short section on the use of MALDI-TOF mass spectrometry for the study of enzymes involved in glycan processing, a section on industrial processes, particularly the development of biopharmaceuticals and a section on the use of MALDI-MS to monitor products of chemical synthesis of carbohydrates. Large carbohydrate-protein complexes and glycodendrimers are highlighted in this final section.
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Affiliation(s)
- David J Harvey
- Department of Biochemistry, Oxford Glycobiology Institute, University of Oxford, Oxford OX1 3QU, UK.
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36
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Ahmad F, Wu HF. Characterization of pathogenic bacteria using ionic liquid via single drop microextraction combined with MALDI-TOF MS. Analyst 2011; 136:4020-7. [DOI: 10.1039/c1an15350a] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
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37
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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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38
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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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39
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Smargiasso N, De Pauw E. Optimization of Matrix Conditions for the Control of MALDI In-Source Decay of Permethylated Glycans. Anal Chem 2010; 82:9248-53. [DOI: 10.1021/ac1017452] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Nicolas Smargiasso
- Mass Spectrometry Laboratory, GIGA-Research, University of Liege, 4000, Liege, Belgium
| | - Edwin De Pauw
- Mass Spectrometry Laboratory, GIGA-Research, University of Liege, 4000, Liege, Belgium
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40
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Przybylski C, Gonnet F, Hersant Y, Bonnaffé D, Lortat-Jacob H, Daniel R. Desorption Electrospray Ionization Mass Spectrometry of Glycosaminoglycans and Their Protein Noncovalent Complex. Anal Chem 2010; 82:9225-33. [DOI: 10.1021/ac1016198] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Affiliation(s)
- C. Przybylski
- CNRS UMR 8587, Université d’Evry-Val-d’Essonne, Laboratoire Analyse et Modélisation pour la Biologie et l’Environnement, F-91025 Evry, France, CNRS UMR 8182, Université d’Orsay, Laboratoire de Chimie Organique Multifonctionnelle, ICMO, 91405 Orsay Cedex, France, and Institut de Biologie Structurale, CNRS, CEA, Université Joseph Fourier, UMR 5075, 38027 Grenoble Cedex, France
| | - F. Gonnet
- CNRS UMR 8587, Université d’Evry-Val-d’Essonne, Laboratoire Analyse et Modélisation pour la Biologie et l’Environnement, F-91025 Evry, France, CNRS UMR 8182, Université d’Orsay, Laboratoire de Chimie Organique Multifonctionnelle, ICMO, 91405 Orsay Cedex, France, and Institut de Biologie Structurale, CNRS, CEA, Université Joseph Fourier, UMR 5075, 38027 Grenoble Cedex, France
| | - Y. Hersant
- CNRS UMR 8587, Université d’Evry-Val-d’Essonne, Laboratoire Analyse et Modélisation pour la Biologie et l’Environnement, F-91025 Evry, France, CNRS UMR 8182, Université d’Orsay, Laboratoire de Chimie Organique Multifonctionnelle, ICMO, 91405 Orsay Cedex, France, and Institut de Biologie Structurale, CNRS, CEA, Université Joseph Fourier, UMR 5075, 38027 Grenoble Cedex, France
| | - D. Bonnaffé
- CNRS UMR 8587, Université d’Evry-Val-d’Essonne, Laboratoire Analyse et Modélisation pour la Biologie et l’Environnement, F-91025 Evry, France, CNRS UMR 8182, Université d’Orsay, Laboratoire de Chimie Organique Multifonctionnelle, ICMO, 91405 Orsay Cedex, France, and Institut de Biologie Structurale, CNRS, CEA, Université Joseph Fourier, UMR 5075, 38027 Grenoble Cedex, France
| | - H. Lortat-Jacob
- CNRS UMR 8587, Université d’Evry-Val-d’Essonne, Laboratoire Analyse et Modélisation pour la Biologie et l’Environnement, F-91025 Evry, France, CNRS UMR 8182, Université d’Orsay, Laboratoire de Chimie Organique Multifonctionnelle, ICMO, 91405 Orsay Cedex, France, and Institut de Biologie Structurale, CNRS, CEA, Université Joseph Fourier, UMR 5075, 38027 Grenoble Cedex, France
| | - R. Daniel
- CNRS UMR 8587, Université d’Evry-Val-d’Essonne, Laboratoire Analyse et Modélisation pour la Biologie et l’Environnement, F-91025 Evry, France, CNRS UMR 8182, Université d’Orsay, Laboratoire de Chimie Organique Multifonctionnelle, ICMO, 91405 Orsay Cedex, France, and Institut de Biologie Structurale, CNRS, CEA, Université Joseph Fourier, UMR 5075, 38027 Grenoble Cedex, France
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41
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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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42
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Giménez E, Benavente F, Barbosa J, Sanz-Nebot V. Ionic liquid matrices for MALDI-TOF-MS analysis of intact glycoproteins. Anal Bioanal Chem 2010; 398:357-65. [DOI: 10.1007/s00216-010-3898-y] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2010] [Revised: 06/01/2010] [Accepted: 06/01/2010] [Indexed: 10/19/2022]
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43
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Wolff JJ, Leach FE, Laremore TN, Kaplan DA, Easterling ML, Linhardt RJ, Amster IJ. Negative electron transfer dissociation of glycosaminoglycans. Anal Chem 2010; 82:3460-6. [PMID: 20380445 PMCID: PMC2869289 DOI: 10.1021/ac100554a] [Citation(s) in RCA: 114] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Structural characterization of glycosaminoglycans (GAGs) has been a challenge in the field of mass spectrometry, and the application of electron detachment dissociation (EDD) Fourier transform ion cyclotron resonance mass spectrometry (FTICR-MS) has shown great promise to GAG oligosaccharide characterization in a single tandem mass spectrometry experiment. In this work, we apply the technique of negative electron transfer dissociation (NETD) to GAGs on a commercial ion trap mass spectrometer. NETD of GAGs, using fluoranthene or xenon as the reagent gas, produces fragmentation very similar to previously observed EDD fragmentation. Using fluoranthene or xenon, both glycosidic and cross-ring cleavages are observed, as well as even- and odd-electron products. The loss of SO(3) can be minimized and an increase in cross-ring cleavages is observed if a negatively charged carboxylate is present during NETD, which can be controlled by the charge state or the addition of sodium. NETD effectively dissociates GAGs up to eight saccharides in length, but the low resolution of the ion trap makes assigning product ions difficult. Similar to EDD, NETD is also able to distinguish the epimers iduronic acid from glucuronic acid in heparan sulfate tetrasaccharides and suggests that a radical intermediate plays an important role in distinguishing these epimers. These results demonstrate that NETD is effective at characterizing GAG oligosaccharides in a single tandem mass spectrometry experiment on a widely available mass spectrometry platform.
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Affiliation(s)
| | | | | | | | | | - Robert J. Linhardt
- Department of Chemistry and Chemical Biology, Troy, NY 12180
- Chemical and Biological Engineering, Troy, NY 12180
- Biology, Rensselaer Polytechnic Institute, Troy, NY 12180
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44
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Towers MW, Mckendrick JE, Cramer R. Introduction of 4-Chloro-α-cyanocinnamic Acid Liquid Matrices for High Sensitivity UV-MALDI MS. J Proteome Res 2010; 9:1931-40. [DOI: 10.1021/pr901089j] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Affiliation(s)
- Mark W. Towers
- Department of Chemistry and The BioCentre, University of Reading, Reading, United Kingdom
| | - John E. Mckendrick
- Department of Chemistry and The BioCentre, University of Reading, Reading, United Kingdom
| | - Rainer Cramer
- Department of Chemistry and The BioCentre, University of Reading, Reading, United Kingdom
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45
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Ionic liquids in analytical chemistry. Anal Chim Acta 2010; 661:1-16. [DOI: 10.1016/j.aca.2009.12.007] [Citation(s) in RCA: 587] [Impact Index Per Article: 41.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2009] [Revised: 12/04/2009] [Accepted: 12/09/2009] [Indexed: 11/23/2022]
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46
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Abstract
The heparan sulfate (HS) family of glycosaminoglycans are highly complex and structurally diverse polysaccharides with information encoded within the chains that imparts the ability to bind selectively to a wide range of proteins-the "HS interactome"-and to regulate their biological activities. However, there are two key questions which need to be addressed; first, the extent of structural variation of expressed HS structures-the "heparanome"-in specific biological contexts and second, the degree of functional selectivity exerted by these structures in regulating biological processes. There is a clear need to develop more systematic and high throughput approaches in order to address these questions. Here, we describe a cohort of protocols for profiling different aspects of HS structure and activity, focusing particularly on disaccharide building blocks and larger oligosaccharide domains, the latter representing the functional units of HS chains. A range of other complementary methods in the literature are also discussed. Together these provide a new and more comprehensive toolkit to investigate HS structure and activity in a higher throughput manner in selected biological systems. The implementation of such a glycomics strategy will enable development of a systems biology view of HS structure-function relationships and help to resolve the significant puzzle of the extensive interactome of HS, which remains a key question in the glycobiology field. We anticipate that the next decade will see major advances in our understanding of the complex biology of HS.
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47
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Fatema MK, Nonami H, Ducatti DRB, Gonçalves AG, Duarte MER, Noseda MD, Cerezo AS, Erra-Balsells R, Matulewicz MC. Matrix-assisted laser desorption/ionization time-of-flight (MALDI-TOF) mass spectrometry analysis of oligosaccharides and oligosaccharide alditols obtained by hydrolysis of agaroses and carrageenans, two important types of red seaweed polysaccharides. Carbohydr Res 2009; 345:275-83. [PMID: 20005511 DOI: 10.1016/j.carres.2009.10.009] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2009] [Revised: 10/06/2009] [Accepted: 10/13/2009] [Indexed: 11/30/2022]
Abstract
MALDI-TOF mass spectrometry analyses of several oligosaccharides (aldoses) and oligosaccharide alditols derived from agaroses, kappa- and iota-carrageenans using different matrices (2,5-dihydroxybenzoic acid, nor-harmane, ferulic acid, and the ionic liquid matrices 2,5-dihydroxybenzoic acid-n-butylamine and ferulic acid-n-butylamine) were conducted. These carbohydrates were selected as model compounds to study the MALDI prompt and post-source decay (PSD) fragmentation processes of both families of oligosaccharides. Sulfated alditols showed in the negative-ion mode the molecular ion as [M-Na](-) together with the species yielded by their prompt fragmentation (mainly desulfation) while the sulfated oligosaccharides (aldoses) showed mainly glycosidic prompt fragmentation (glycosidic C-cleavages and desulfation). Non-sulfated aldoses and alditols, which could only be analyzed in positive-ion mode ([M+Na](+)), did not suffer any prompt fragmentation. The former yielded cross-ring fragmentation in the PSD mode. Best results were obtained by using 2,5-dihydroxybenzoic acid and/or nor-harmane as matrices for all the compounds studied.
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Affiliation(s)
- M Kaniz Fatema
- The United Graduate School of Agricultural Sciences, Faculty of Agriculture, Ehime University, 3-5-7-Tarumi, Matsuyama 790-8566, Japan
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48
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Yang SH, Reddy PM, Ho YP. Concentration and in Situ Detection of Peptides Using Liquid Matrix-Assisted Laser Desorption Ionization Matrixes. Anal Chem 2009; 82:44-8. [DOI: 10.1021/ac902227z] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Siao-Huei Yang
- Department of Chemistry, National Dong Hwa University, Hualien, Taiwan
| | | | - Yen-Peng Ho
- Department of Chemistry, National Dong Hwa University, Hualien, Taiwan
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49
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Ullmer R, Rizzi AM. Use of a novel ionic liquid matrix for MALDI-MS analysis of glycopeptides and glycans out of total tryptic digests. JOURNAL OF MASS SPECTROMETRY : JMS 2009; 44:1596-1603. [PMID: 19787684 DOI: 10.1002/jms.1668] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
In this study, we investigated a novel ionic liquid matrix (ILM), namely, the 1,1,3,3-tetramethylguanidinium salt of 2,4,6-trihydroxyacetophenone (THAP). This matrix[1,1,3,3-tetramethylguanidinium 2,4,6-trihydroxyacetophenone (GTHAP)] turned out to be well suited for the matrix-assisted laser desorption/ionization mass spectrometric analysis of glycopeptides and glycans, and overcame the well-known ionization suppression of carbohydrate structures in the presence of peptides. The matrix was evaluated by two different series of experiments, in each case in comparison with the crystalline THAP matrix. In the first set of experiments, mass spectra were taken from unseparated tryptic digests of three glycoproteins taken as model compounds. Even glycopeptides containing short peptide backbones and large carbohydrate moieties gave high signal intensities when using the ILM though they did not appear in the THAP spectra. In the second set of experiments, the total tryptic digests were treated with endoglycosidase PNGase F to cleave off the N-linked glycans. When using the GTHAP matrix, it was possible to detect the glycans with high intensities in the presence of the tryptic peptides, whereas glycan ionization was completely suppressed when measured with the solid matrix THAP. The extent of metastable decay of glycopeptides was reduced when using the ILM. Altogether, GTHAP proved as a useful ILM particularly being superior to solid matrices in the context of glycosylation analysis.
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Affiliation(s)
- Roman Ullmer
- Institute of Analytical Chemistry and Food Chemistry, University of Vienna, Währinger Strasse 38, A-1090 Vienna, Austria
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50
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Przybylski C, Gonnet F, Bonnaffé D, Hersant Y, Lortat-Jacob H, Daniel R. HABA-based ionic liquid matrices for UV-MALDI-MS analysis of heparin and heparan sulfate oligosaccharides. Glycobiology 2009; 20:224-34. [DOI: 10.1093/glycob/cwp169] [Citation(s) in RCA: 41] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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