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Rafiyan M, Sadeghmousavi S, Akbarzadeh M, Rezaei N. Experimental animal models of chronic inflammation. CURRENT RESEARCH IN IMMUNOLOGY 2023; 4:100063. [PMID: 37334102 PMCID: PMC10276141 DOI: 10.1016/j.crimmu.2023.100063] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2022] [Revised: 05/24/2023] [Accepted: 05/31/2023] [Indexed: 06/20/2023] Open
Abstract
Inflammation is a general term for a wide variety of both physiological and pathophysiological processes in the body which primarily prevents the body from diseases and helps to remove dead tissues. It has a crucial part in the body immune system. Tissue damage can recruit inflammatory cells and cytokines and induce inflammation. Inflammation can be classified as acute, sub-acute, and chronic. If it remained unresolved and lasted for prolonged periods, it would be considered as chronic inflammation (CI), which consequently exacerbates tissue damage in different organs. CI is the main pathophysiological cause of many disorders such as obesity, diabetes, arthritis, myocardial infarction, and cancer. Thus, it is critical to investigate different mechanisms involved in CI to understand its processes and to find proper anti-inflammatory therapeutic approaches for it. Animal models are one of the most useful tools for study about different diseases and mechanisms in the body, and are important in pharmacological studies to find proper treatments. In this study, we discussed the various experimental animal models that have been used to recreate CI which can help us to enhance the understanding of CI mechanisms in human and contribute to the development of potent new therapies.
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Affiliation(s)
- Mahdi Rafiyan
- Animal Model Integrated Network (AMIN), Universal Scientific Education & Research Network (USERN), Tehran, Iran
| | - Shaghayegh Sadeghmousavi
- Animal Model Integrated Network (AMIN), Universal Scientific Education & Research Network (USERN), Tehran, Iran
| | - Milad Akbarzadeh
- Animal Model Integrated Network (AMIN), Universal Scientific Education & Research Network (USERN), Tehran, Iran
| | - Nima Rezaei
- Research Center for Immunodeficiencies, Pediatrics Center of Excellence, Children's Medical Center, Tehran University of Medical Sciences, Tehran, Iran
- Department of Immunology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
- Network of Immunity in Infection, Malignancy and Autoimmunity (NIIMA), Universal Scientific Education and Research Network (USERN), Tehran, Iran
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2
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Yuan H, Chen F, Zhang M, Ma S, Qu M, Zhao W, Zhao Y, Zhang S. Rapid identification and relative quantification of disaccharide isomers by three fragment ion pairs using ESI-MS/MS and its application in yellow rice wine. Food Chem 2023; 409:135340. [PMID: 36592600 DOI: 10.1016/j.foodchem.2022.135340] [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: 07/22/2022] [Revised: 11/29/2022] [Accepted: 12/26/2022] [Indexed: 12/28/2022]
Abstract
Small structural differences bring great difficulties on carbohydrates identification, especially in terms of their quantification. Herein, a novel ESI-MS/MS based strategy was established to discriminate and relatively quantified protonated PMP-disaccharides with different composition and glycosidic bond. Interestingly, protonated PMP labeled-disaccharides provided abundant fragment ions arising from cross-ring cleavage and glycosidic bond cleavage, which could afford diagnostic fragment patterns for isomers differentiation in combination of statistical analysis. It was worth to note that the relative intensity ratios (RIR) of three ion pairs could completely discriminate 16 disaccharides, and subsequently used to relatively quantified isomers in a binary mixture. Ultimately, this method was applied for the discrimination of yellow rice wine, and then the relative content of maltose and isomaltose were confirmed as well. In general, this method was easy to operation and effective for rapid differentiation and quantification of isomeric disaccharides in complex matrices.
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Affiliation(s)
- Hang Yuan
- College of Chemistry, Zhengzhou University, Henan 450001, China
| | - Fangya Chen
- School of Ecology and Environment, Zhengzhou University, Henan 450001, China
| | - Meng Zhang
- College of Chemistry, Zhengzhou University, Henan 450001, China
| | - Shanshan Ma
- College of Chemistry, Zhengzhou University, Henan 450001, China
| | - Mengyuan Qu
- College of Chemistry, Zhengzhou University, Henan 450001, China
| | - Wuduo Zhao
- College of Chemistry, Zhengzhou University, Henan 450001, China
| | - Yufen Zhao
- College of Chemistry, Zhengzhou University, Henan 450001, China; Institute of Drug Discovery Technology, Ningbo University, Ningbo 315211, China
| | - Shusheng Zhang
- College of Chemistry, Zhengzhou University, Henan 450001, China.
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3
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Peng W, Reyes CDG, Gautam S, Yu A, Cho BG, Goli M, Donohoo K, Mondello S, Kobeissy F, Mechref Y. MS-based glycomics and glycoproteomics methods enabling isomeric characterization. MASS SPECTROMETRY REVIEWS 2023; 42:577-616. [PMID: 34159615 PMCID: PMC8692493 DOI: 10.1002/mas.21713] [Citation(s) in RCA: 25] [Impact Index Per Article: 25.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/26/2021] [Revised: 06/01/2021] [Accepted: 06/02/2021] [Indexed: 05/03/2023]
Abstract
Glycosylation is one of the most significant and abundant posttranslational modifications in mammalian cells. It mediates a wide range of biofunctions, including cell adhesion, cell communication, immune cell trafficking, and protein stability. Also, aberrant glycosylation has been associated with various diseases such as diabetes, Alzheimer's disease, inflammation, immune deficiencies, congenital disorders, and cancers. The alterations in the distributions of glycan and glycopeptide isomers are involved in the development and progression of several human diseases. However, the microheterogeneity of glycosylation brings a great challenge to glycomic and glycoproteomic analysis, including the characterization of isomers. Over several decades, different methods and approaches have been developed to facilitate the characterization of glycan and glycopeptide isomers. Mass spectrometry (MS) has been a powerful tool utilized for glycomic and glycoproteomic isomeric analysis due to its high sensitivity and rich structural information using different fragmentation techniques. However, a comprehensive characterization of glycan and glycopeptide isomers remains a challenge when utilizing MS alone. Therefore, various separation methods, including liquid chromatography, capillary electrophoresis, and ion mobility, were developed to resolve glycan and glycopeptide isomers before MS. These separation techniques were coupled to MS for a better identification and quantitation of glycan and glycopeptide isomers. Additionally, bioinformatic tools are essential for the automated processing of glycan and glycopeptide isomeric data to facilitate isomeric studies in biological cohorts. Here in this review, we discuss commonly employed MS-based techniques, separation hyphenated MS methods, and software, facilitating the separation, identification, and quantitation of glycan and glycopeptide isomers.
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Affiliation(s)
- Wenjing Peng
- Department of Chemistry and Biochemistry, Texas Tech University, Lubbock, Texas, USA
| | | | - Sakshi Gautam
- Department of Chemistry and Biochemistry, Texas Tech University, Lubbock, Texas, USA
| | - Aiying Yu
- Department of Chemistry and Biochemistry, Texas Tech University, Lubbock, Texas, USA
| | - Byeong Gwan Cho
- Department of Chemistry and Biochemistry, Texas Tech University, Lubbock, Texas, USA
| | - Mona Goli
- Department of Chemistry and Biochemistry, Texas Tech University, Lubbock, Texas, USA
| | - Kaitlyn Donohoo
- Department of Chemistry and Biochemistry, Texas Tech University, Lubbock, Texas, USA
| | | | - Firas Kobeissy
- Program for Neurotrauma, Neuroproteomics & Biomarkers Research, Departments of Emergency Medicine, University of Florida, Gainesville, Florida, USA
| | - Yehia Mechref
- Department of Chemistry and Biochemistry, Texas Tech University, Lubbock, Texas, USA
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4
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Rajendiran V, El Rassi Z. Retention behaviors of pre-column derivatized mono-, di- and oligosaccharides in various modes of high performance liquid chromatography. J Chromatogr A 2022; 1682:463508. [PMID: 36155077 DOI: 10.1016/j.chroma.2022.463508] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2022] [Revised: 08/11/2022] [Accepted: 09/15/2022] [Indexed: 11/29/2022]
Abstract
Three LC-based methods, including reversed-phase chromatography (RPC), ion-pair RPC and weak anion-exchange chromatography (WAX), were examined in the separations of precolumn derivatized mono- and oligosaccharides with the following three tagging agents: 1-naphthylamine (1-NA), 2-aminoanthracene (2-AA), and 3-amino-2,7-naphthalenedisulfonic acid (ANDSA). Due to differences in their charges and polarity, the three tagging agents imparted the sugar derivatives varying elution patterns in the three, just mentioned, chromatographic modes. While RPC yielded high resolution separations for 1-NA- and 2-AA-sugar derivatives, ion-pair RPC in the presence of the ion-pairing agent dodecyl trimethylammonium bromide (DTAB) in the mobile phase exhibited far more resolution and selectivity than WAX in the separation of ANDSA-sugar derivatives. This finding portrays the fact that an octadecyl column operating in ion-pair RPC mode can eliminate in most cases the need for an ion-exchange column for bioanalytical separations of ionic or ionizable species. Lastly, the characteristics of each chromatographic mode in the analysis of derivatized sugars are described using various mobile phase compositions.
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Affiliation(s)
- Vaithilingam Rajendiran
- Department of Chemistry, Oklahoma State University Stillwater, Stillwater, OK 74078-3071, United States
| | - Ziad El Rassi
- Department of Chemistry, Oklahoma State University Stillwater, Stillwater, OK 74078-3071, United States.
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5
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Wang B, Yan L, Guo S, Wen L, Yu M, Feng L, Jia X. Structural Elucidation, Modification, and Structure-Activity Relationship of Polysaccharides in Chinese Herbs: A Review. Front Nutr 2022; 9:908175. [PMID: 35669078 PMCID: PMC9163837 DOI: 10.3389/fnut.2022.908175] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2022] [Accepted: 04/22/2022] [Indexed: 01/10/2023] Open
Abstract
Chinese herbal polysaccharides (CHPs) are natural polymers composed of monosaccharides, which are widely found in Chinese herbs and work as one of the important active ingredients. Its biological activity is attributed to its complex chemical structure with diverse spatial conformations. However, the structural elucidation is the foundation but a bottleneck problem because the majority of CHPs are heteropolysaccharides with more complex structures. Similarly, the studies on the relationship between structure and function of CHPs are even more scarce. Therefore, this review summarizes the structure-activity relationship of CHPs. Meanwhile, we reviewed the structural elucidation strategies and some new progress especially in the advanced structural analysis methods. The characteristics and applicable scopes of various methods are compared to provide reference for selecting the most efficient method and developing new hyphenated techniques. Additionally, the principle structural modification methods of CHPs and their effects on activity are summarized. The shortcomings, potential breakthroughs, and developing directions of the study of CHPs are discussed. We hope to provide a reference for further research and promote the application of CHPs.
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6
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NAKAGAWA Y, ITO Y. Mannose-binding analysis and biological application of pradimicins. PROCEEDINGS OF THE JAPAN ACADEMY. SERIES B, PHYSICAL AND BIOLOGICAL SCIENCES 2022; 98:15-29. [PMID: 35013028 PMCID: PMC8795531 DOI: 10.2183/pjab.98.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/21/2021] [Accepted: 11/11/2021] [Indexed: 06/14/2023]
Abstract
Pradimicins (PRMs) are an exceptional family of natural products that specifically bind d-mannose (Man). In the past decade, their scientific significance has increased greatly, with the emergence of biological roles of Man-containing glycans. However, research into the use of PRMs has been severely limited by their inherent tendency to form water-insoluble aggregates. Recently, we have established a derivatization strategy to suppress PRM aggregation, providing an opportunity for practical application of PRMs in glycobiological research. This article first outlines the challenges in studying Man-binding mechanisms and structural modifications of PRMs, and then describes our approach to address them. We also present our recent attempts toward the development of PRM-based research tools.
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Affiliation(s)
- Yu NAKAGAWA
- Institute for Glyco-core Research (iGCORE), Nagoya University, Nagoya, Aichi, Japan
- RIKEN Cluster for Pioneering Research, Wako, Saitama, Japan
| | - Yukishige ITO
- RIKEN Cluster for Pioneering Research, Wako, Saitama, Japan
- Graduate School of Science, Osaka University, Toyonaka, Osaka, Japan
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7
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Lang Y, Zhang Y, Wang C, Huang L, Liu X, Song N, Li G, Yu G. Comparison of Different Labeling Techniques for the LC-MS Profiling of Human Milk Oligosaccharides. Front Chem 2021; 9:691299. [PMID: 34589467 PMCID: PMC8473617 DOI: 10.3389/fchem.2021.691299] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2021] [Accepted: 08/16/2021] [Indexed: 11/22/2022] Open
Abstract
Human milk oligosaccharides (HMOs) exhibit various biological activities for infants, such as serving as prebiotics, blocking pathogens, and aiding in brain development. HMOs are a complex mixture of hetero-oligosaccharides that are generally highly branched, containing multiple structural isomers and no intrinsic chromophores, presenting a challenge to both their resolution and quantitative detection. While liquid chromatography-mass spectrometry (LC-MS) has become the primary strategy for analysis of various compounds, the very polar and chromophore-free properties of native glycans hinder their separation in LC and ionization in MS. Various labeling approaches have been developed to achieve separation of glycans with higher resolution and greater sensitivity of detection. Here, we compared five commonly used labeling techniques [by 2-aminobenzamide, 2-aminopyridine, 2-aminobenzoic acid (2-AA), 2,6-diaminopyridine, and 1-phenyl-3-methyl-5-pyrazolone] for analyzing HMOs specifically under hydrophilic-interaction chromatography-mass spectrometry (HILIC-MS) conditions. The 2-AA labeling showed the most consistent deprotonated molecular ions, the enhanced sensitivity with the least structural selectivity, and the sequencing-informative tandem MS fragmentation spectra for the widest range of HMOs; therefore, this labeling technique was selected for further optimization under the porous graphitized carbon chromatography-mass spectrometry (PGC-MS) conditions. The combination strategy of 2-AA labeling and PGC-MS techniques provided online decontamination (removal of excess 2-AA, salts, and lactose) and resolute detection of many HMOs, enabling us to characterize the profiles of complicated HMO mixtures comprehensively in a simple protocol.
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Affiliation(s)
- Yinzhi Lang
- Key Laboratory of Marine Drugs, Ministry of Education, Shandong Provincial Key Laboratory of Glycoscience and Glycotechnology, School of Medicine and Pharmacy, Ocean University of China, Qingdao, China
| | - Yongzhen Zhang
- Key Laboratory of Marine Drugs, Ministry of Education, Shandong Provincial Key Laboratory of Glycoscience and Glycotechnology, School of Medicine and Pharmacy, Ocean University of China, Qingdao, China
| | - Chen Wang
- Key Laboratory of Marine Drugs, Ministry of Education, Shandong Provincial Key Laboratory of Glycoscience and Glycotechnology, School of Medicine and Pharmacy, Ocean University of China, Qingdao, China
| | - Limei Huang
- Key Laboratory of Marine Drugs, Ministry of Education, Shandong Provincial Key Laboratory of Glycoscience and Glycotechnology, School of Medicine and Pharmacy, Ocean University of China, Qingdao, China
| | - Xiaoxiao Liu
- Key Laboratory of Marine Drugs, Ministry of Education, Shandong Provincial Key Laboratory of Glycoscience and Glycotechnology, School of Medicine and Pharmacy, Ocean University of China, Qingdao, China
| | - Ni Song
- Key Laboratory of Marine Drugs, Ministry of Education, Shandong Provincial Key Laboratory of Glycoscience and Glycotechnology, School of Medicine and Pharmacy, Ocean University of China, Qingdao, China
| | - Guoyun Li
- Key Laboratory of Marine Drugs, Ministry of Education, Shandong Provincial Key Laboratory of Glycoscience and Glycotechnology, School of Medicine and Pharmacy, Ocean University of China, Qingdao, China.,Laboratory for Marine Drugs and Bioproducts, Qingdao National Laboratory for Marine Science and Technology, Qingdao, China
| | - Guangli Yu
- Key Laboratory of Marine Drugs, Ministry of Education, Shandong Provincial Key Laboratory of Glycoscience and Glycotechnology, School of Medicine and Pharmacy, Ocean University of China, Qingdao, China.,Laboratory for Marine Drugs and Bioproducts, Qingdao National Laboratory for Marine Science and Technology, Qingdao, China
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8
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Nakagawa Y, Kakihara S, Tsuzuki K, Ojika M, Igarashi Y, Ito Y. A Pradimicin-Based Staining Dye for Glycoprotein Detection. JOURNAL OF NATURAL PRODUCTS 2021; 84:2496-2501. [PMID: 34524799 DOI: 10.1021/acs.jnatprod.1c00506] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Pradimicin A (PRM-A) and related compounds constitute an exceptional family of natural pigments that show Ca2+-dependent recognition of d-mannose (Man). Although these compounds hold great promise as research tools in glycobiology, their practical application has been severely limited by their inherent tendency to form water-insoluble aggregates. Here, we demonstrate that the 2-hydroxyethylamide derivative (PRM-EA) of PRM-A shows little aggregation in neutral aqueous media and retains binding specificity for Man. We also show that PRM-EA stains glycoproteins in dot blot assays, whereas PRM-A fails to do so, owing to severe aggregation. Significantly, PRM-EA is sensitive to glycoproteins carrying high mannose-type and hybrid-type N-linked glycans, but not to those carrying complex-type N-linked glycans. Such staining selectivity has never been observed in conventional dyes, suggesting that PRM-EA could serve as a unique staining agent for the selective detection of glycoproteins with terminal Man residues.
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Affiliation(s)
- Yu Nakagawa
- Institute for Glyco-core Research (iGCORE), Nagoya University, Furo-cho, Chikusa-ku, Nagoya 464-8601, Japan
- RIKEN Cluster for Pioneering Research, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan
| | - Shintaro Kakihara
- Department of Applied Biosciences, Graduate School of Bioagricultural Sciences, Nagoya University, Furo-cho, Chikusa-ku, Nagoya 464-8601, Japan
| | - Kazue Tsuzuki
- Department of Applied Biosciences, Graduate School of Bioagricultural Sciences, Nagoya University, Furo-cho, Chikusa-ku, Nagoya 464-8601, Japan
| | - Makoto Ojika
- Department of Applied Biosciences, Graduate School of Bioagricultural Sciences, Nagoya University, Furo-cho, Chikusa-ku, Nagoya 464-8601, Japan
| | - Yasuhiro Igarashi
- Biotechnology Research Center, Toyama Prefectural University, 5180 Kurokawa, Imizu, Toyama 939-0398, Japan
| | - Yukishige Ito
- RIKEN Cluster for Pioneering Research, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan
- Graduate School of Science, Osaka University, 1-1 Machikaneyama-cho, Toyonaka, Osaka 560-0043, Japan
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9
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Harvey DJ. NEGATIVE ION MASS SPECTROMETRY FOR THE ANALYSIS OF N-LINKED GLYCANS. MASS SPECTROMETRY REVIEWS 2020; 39:586-679. [PMID: 32329121 DOI: 10.1002/mas.21622] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/27/2019] [Revised: 12/13/2019] [Accepted: 12/22/2019] [Indexed: 05/03/2023]
Abstract
N-glycans from glycoproteins are complex, branched structures whose structural determination presents many analytical problems. Mass spectrometry, usually conducted in positive ion mode, often requires extensive sample manipulation, usually by derivatization such as permethylation, to provide the necessary structure-revealing fragment ions. The newer but, so far, lesser used negative ion techniques, on the contrary, provide a wealth of structural information not present in positive ion spectra that greatly simplify the analysis of these compounds and can usually be conducted without the need for derivatization. This review describes the use of negative ion mass spectrometry for the structural analysis of N-linked glycans and emphasises the many advantages that can be gained by this mode of operation. Biosynthesis and structures of the compounds are described followed by methods for release of the glycans from the protein. Methods for ionization are discussed with emphasis on matrix-assisted laser desorption/ionization (MALDI) and methods for producing negative ions from neutral compounds. Acidic glycans naturally give deprotonated species under most ionization conditions. Fragmentation of negative ions is discussed next with particular reference to those ions that are diagnostic for specific features such as the branching topology of the glycans and substitution positions of moieties such as fucose and sulfate, features that are often difficult to identify easily by conventional techniques such as positive ion fragmentation and exoglycosidase digestions. The advantages of negative over positive ions for this structural work are emphasised with an example of a series of glycans where all other methods failed to produce a structure. Fragmentation of derivatized glycans is discussed next, both with respect to derivatives at the reducing terminus of the molecules, and to methods for neutralization of the acidic groups on sialic acids to both stabilize them for MALDI analysis and to produce the diagnostic fragments seen with the neutral glycans. The use of ion mobility, combined with conventional mass spectrometry is described with emphasis on its use to extract clean glycan spectra both before and after fragmentation, to separate isomers and its use to extract additional information from separated fragment ions. A section on applications follows with examples of the identification of novel structures from lower organisms and tables listing the use of negative ions for structural identification of specific glycoproteins, glycans from viruses and uses in the biopharmaceutical industry and in medicine. The review concludes with a summary of the advantages and disadvantages of the technique. © 2020 John Wiley & Sons Ltd. Mass Spec Rev.
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Affiliation(s)
- David J Harvey
- Nuffield Department of Medicine, Target Discovery Institute, Roosevelt Drive, Oxford, OX3 7FZ, United Kingdom
- Centre for Biological Sciences, Faculty of Natural and Environmental Sciences, University of Southampton, Life Sciences Building 85, Highfield Campus, Southampton, SO17 1BJ, United Kingdom
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Cao WQ, Liu MQ, Kong SY, Wu MX, Huang ZZ, Yang PY. Novel methods in glycomics: a 2019 update. Expert Rev Proteomics 2020; 17:11-25. [PMID: 31914820 DOI: 10.1080/14789450.2020.1708199] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Abstract
Introduction: Glycomics, which aims to define the glycome of a biological system to better assess the biological attributes of the glycans, has attracted increasing interest. However, the complexity and diversity of glycans present challenging barriers to glycome definition. Technological advances are major drivers in glycomics.Areas covered: This review summarizes the main methods and emphasizes the most recent advances in mass spectrometry-based methods regarding glycomics following the general workflow in glycomic analysis.Expert opinion: Recent mass spectrometry-based technological advances have significantly lowered the barriers in glycomics. The field of glycomics is moving toward both generic and precise analysis.
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Affiliation(s)
- Wei-Qian Cao
- Shanghai Fifth People's Hospital and Institutes of Biomedical Sciences, Fudan University, Shanghai, China.,NHC Key Laboratory of Glycoconjugates Research, Fudan University, Shanghai, China
| | - Ming-Qi Liu
- Shanghai Fifth People's Hospital and Institutes of Biomedical Sciences, Fudan University, Shanghai, China
| | - Si-Yuan Kong
- Shanghai Fifth People's Hospital and Institutes of Biomedical Sciences, Fudan University, Shanghai, China
| | - Meng-Xi Wu
- Shanghai Fifth People's Hospital and Institutes of Biomedical Sciences, Fudan University, Shanghai, China.,Department of Chemistry, Fudan University, Shanghai, China
| | - Zheng-Ze Huang
- Shanghai Fifth People's Hospital and Institutes of Biomedical Sciences, Fudan University, Shanghai, China
| | - Peng-Yuan Yang
- Shanghai Fifth People's Hospital and Institutes of Biomedical Sciences, Fudan University, Shanghai, China.,NHC Key Laboratory of Glycoconjugates Research, Fudan University, Shanghai, China.,Department of Chemistry, Fudan University, Shanghai, China
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11
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Tsai S, Liew CY, Hsu C, Huang S, Weng W, Kuo Y, Ni C. Automatic Full Glycan Structural Determination through Logically Derived Sequence Tandem Mass Spectrometry. Chembiochem 2019; 20:2351-2359. [DOI: 10.1002/cbic.201900228] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2019] [Indexed: 12/12/2022]
Affiliation(s)
- Shang‐Ting Tsai
- Institute of Atomic and Molecular SciencesAcademia Sinica P. O. Box 23-166 Taipei 10617 Taiwan
| | - Chia Yen Liew
- Institute of Atomic and Molecular SciencesAcademia Sinica P. O. Box 23-166 Taipei 10617 Taiwan
- Molecular Science and Technology International Graduate ProgramAcademia Sinica and National University Taipei 10617 Taiwan
| | - Chen Hsu
- Institute of Atomic and Molecular SciencesAcademia Sinica P. O. Box 23-166 Taipei 10617 Taiwan
| | - Shih‐Pei Huang
- Institute of Atomic and Molecular SciencesAcademia Sinica P. O. Box 23-166 Taipei 10617 Taiwan
| | - Wei‐Chien Weng
- Institute of Atomic and Molecular SciencesAcademia Sinica P. O. Box 23-166 Taipei 10617 Taiwan
| | - Yu‐Hsiang Kuo
- Institute of Atomic and Molecular SciencesAcademia Sinica P. O. Box 23-166 Taipei 10617 Taiwan
| | - Chi‐Kung Ni
- Institute of Atomic and Molecular SciencesAcademia Sinica P. O. Box 23-166 Taipei 10617 Taiwan
- Department of ChemistryNational Tsing Hua University Hsinchu 30013 Taiwan
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12
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Ikegami T. Hydrophilic interaction chromatography for the analysis of biopharmaceutical drugs and therapeutic peptides: A review based on the separation characteristics of the hydrophilic interaction chromatography phases. J Sep Sci 2019; 42:130-213. [DOI: 10.1002/jssc.201801074] [Citation(s) in RCA: 42] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2018] [Revised: 11/17/2018] [Accepted: 11/18/2018] [Indexed: 12/13/2022]
Affiliation(s)
- Tohru Ikegami
- Faculty of Molecular Chemistry and Engineering; Kyoto Institute of Technology; Kyoto Japan
- Institute of Pharmaceutical Sciences; Pharmaceutical (Bio-) Analysis; Eberhard-Karls Universität Tübingen; Tübingen Germany
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13
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Galermo AG, Nandita E, Barboza M, Amicucci MJ, Vo TTT, Lebrilla CB. Liquid Chromatography-Tandem Mass Spectrometry Approach for Determining Glycosidic Linkages. Anal Chem 2018; 90:13073-13080. [PMID: 30299929 DOI: 10.1021/acs.analchem.8b04124] [Citation(s) in RCA: 45] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
The structural analysis of carbohydrates remains challenging mainly due to the lack of rapid analytical methods able to determine and quantitate glycosidic linkages between the diverse monosaccharides found in natural oligosaccharides and polysaccharides. In this research, we present the first liquid chromatography-tandem mass spectrometry (LC-MS/MS)-based method for the rapid and simultaneous relative quantitation of glycosidic linkages for oligosaccharide and polysaccharide characterization. The method developed employs ultrahigh-performance liquid chromatography coupled with triple quadrupole mass spectrometry (UHPLC/QqQ-MS) analysis performed in multiple reaction monitoring (MRM) mode. A library of 22 glycosidic linkages was built using commercial oligosaccharide standards. Permethylation and hydrolysis conditions along with LC-MS/MS parameters were optimized resulting in a workflow requiring only 50 μg of substrate for the analysis. Samples were homogenized, permethylated, hydrolyzed, and then derivatized with 1-phenyl-3-methyl-5-pyrazolone (PMP) prior to analysis by UHPLC/MRM-MS. Separation by C18 reversed-phase UHPLC along with the simultaneous monitoring of derivatized terminal, linear, bisecting, and trisecting monosaccharide linkages by mass spectrometry is achieved within a 15 min run time. Reproducibility, efficacy, and robustness of the method was demonstrated with galactan ( Lupin) and polysaccharides within food such as whole carrots. The speed and specificity of the method enables its application toward the rapid glycosidic linkage analysis of oligosaccharides and polysaccharides.
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14
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Wang C, Lu Y, Han J, Jin W, Li L, Zhang Y, Song X, Huang L, Wang Z. Simultaneous Release and Labeling of O- and N-Glycans Allowing for Rapid Glycomic Analysis by Online LC-UV-ESI-MS/MS. J Proteome Res 2018; 17:2345-2357. [DOI: 10.1021/acs.jproteome.8b00038] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Chengjian Wang
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education and Provincial Key Laboratory of Biotechnology, College of Life Sciences, Northwest University, Xi’an 710069, China
| | - Yu Lu
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education and Provincial Key Laboratory of Biotechnology, College of Life Sciences, Northwest University, Xi’an 710069, China
| | - Jianli Han
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education and Provincial Key Laboratory of Biotechnology, College of Life Sciences, Northwest University, Xi’an 710069, China
| | - Wanjun Jin
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education and Provincial Key Laboratory of Biotechnology, College of Life Sciences, Northwest University, Xi’an 710069, China
| | - Lingmei Li
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education and Provincial Key Laboratory of Biotechnology, College of Life Sciences, Northwest University, Xi’an 710069, China
| | - Ying Zhang
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education and Provincial Key Laboratory of Biotechnology, College of Life Sciences, Northwest University, Xi’an 710069, China
| | - Xuezheng Song
- Department of Biochemistry, Emory University School of Medicine, O. Wayne Rollins Research Center, 1510 Clifton Road, Suite 4117, Atlanta, Georgia 30322, United States
| | - Linjuan Huang
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education and Provincial Key Laboratory of Biotechnology, College of Life Sciences, Northwest University, Xi’an 710069, China
| | - Zhongfu Wang
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education and Provincial Key Laboratory of Biotechnology, College of Life Sciences, Northwest University, Xi’an 710069, China
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15
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Advances in sample preparation strategies for MS-based qualitative and quantitative N-glycomics. Trends Analyt Chem 2018. [DOI: 10.1016/j.trac.2017.11.013] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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16
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Xu G, Amicucci MJ, Cheng Z, Galermo AG, Lebrilla CB. Revisiting monosaccharide analysis - quantitation of a comprehensive set of monosaccharides using dynamic multiple reaction monitoring. Analyst 2017; 143:200-207. [PMID: 29186215 PMCID: PMC6203862 DOI: 10.1039/c7an01530e] [Citation(s) in RCA: 55] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
A rapid method for the quantitation of sixteen neutral and acidic monosaccharides, from both animal and plant sources was developed using ultra-high performance liquid chromatography triple quadrupole mass spectrometry (UHPLC/QqQ-MS) in dynamic multiple reaction monitoring (dMRM) mode. Monosaccharides including three pentoses (ribose, xylose, arabinose), two deoxyhexoses (rhamnose, fucose), five hexoses (fructose, mannose, allose, glucose, galactose), two hexuronic acids (glucuronic acid, galacturonic acid), and two N-acetyl-hexosamines (GlcNAc, GalNAc), were derivatized with 1-phenyl-3-methyl-5-pyrazolone (PMP), while underivatized sialic acids, Neu5Ac and Neu5Gc, were simultaneously analyzed with a 10-minute run. With the optimized UHPLC conditions, baseline separations of the isomers were achieved. The sensitivity and calibration ranges of this method were determined. The limits of detection were between femtomoles and attomoles with linear ranges spanning four to six orders of magnitude and coefficients of variation (CVs) ≤7.2%. Spiking experiments performed on a pooled fecal sample demonstrated the high accuracy of this method even when applied to samples with complicated matrices. The validated method was applied to fecal samples from an infant transitioning from breast milk to weaning foods. Major milk monosaccharides including galactose, fucose, glucose, GlcNAc, and Neu5Ac were found to be the most abundant components in the feces of milk-fed infants. PMP-derivatives of nine other monosaccharides including apiose, lyxose, altrose, talose, gulose, glucosamine, galactosamine, mannosamine, and N-acetylmannosamine (ManNAc) were also tested and could be added to the quantitation method depending on the need. The speed and sensitivity of the method makes it readily adaptable to rapid throughput analysis of monosaccharides in biological samples.
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Affiliation(s)
- Gege Xu
- Department of Chemistry, University of California, Davis, CA 95616, USA.
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17
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A method for the analysis of sugars in biological systems using reductive amination in combination with hydrophilic interaction chromatography and high resolution mass spectrometry. Talanta 2017; 166:75-80. [DOI: 10.1016/j.talanta.2017.01.038] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2016] [Revised: 01/08/2017] [Accepted: 01/12/2017] [Indexed: 12/16/2022]
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18
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Morrison KA, Bendiak BK, Clowers BH. Enhanced Mixture Separations of Metal Adducted Tetrasaccharides Using Frequency Encoded Ion Mobility Separations and Tandem Mass Spectrometry. JOURNAL OF THE AMERICAN SOCIETY FOR MASS SPECTROMETRY 2017; 28:664-677. [PMID: 27796835 DOI: 10.1007/s13361-016-1505-y] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/26/2016] [Revised: 09/08/2016] [Accepted: 09/09/2016] [Indexed: 05/16/2023]
Abstract
Using five isomeric tetrasaccharides in combination with seven multivalent metals, the impact on mobility separations and resulting CID spectra were examined using a hybrid ion mobility atmospheric pressure drift tube system coupled with a linear ion trap. By enhancing the duty cycle of the drift tube system using a linearly chirped frequency, the collision-induced dissociation spectra were encoded in the mobility domain according to the drift times of each glycan isomer precursor. Differential fragmentation patterns correlated with precursor drift times ensured direct assignment of fragments with precursor structure whether as individual standards or in a mixture of isomers. In addition to certain metal ions providing higher degrees of separation than others, in select cases more than one arrival time distribution was observed for a single pure carbohydrate isomer. These observations suggest the existence of alternative coordination sites within a single monomeric species, but more interesting was the observation of different fragmentation ion yields for carbohydrate dimers formed through metal adduction. Positive-ion data were also compared with negative-ion species, where dimer formation did not occur and single peaks were observed for each isomeric tetrasaccharide-alditol. This enhanced analytical power has implications not only for carbohydrate molecules but also for a wide variety of complex mixtures of molecules where dissociation spectra may potentially be derived from combinations of monomeric, homodimeric, and heterodimeric species having identical nominal m/z values. Graphical Abstract ᅟ.
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Affiliation(s)
- Kelsey A Morrison
- Department of Chemistry, Washington State University, PO Box 644630, Pullman, WA, 99164, USA
| | - Brad K Bendiak
- Department of Cell and Developmental Biology and Program in Structural Biology and Biochemistry, University of Colorado Health Sciences Center, Mail Stop 8108, 12801 E 17th Ave., Aurora, CO, 80045, USA
| | - Brian H Clowers
- Department of Chemistry, Washington State University, PO Box 644630, Pullman, WA, 99164, USA.
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19
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Abstract
Glycosylation is one of the most common and essential protein modifications. Glycans conjugated to biomolecules modulate the function of such molecules through both direct recognition of glycan structures and indirect mechanisms that involve the control of protein turnover rates, stability, and conformation. The biological attributes of glycans in numerous biological processes and implications in a number of diseases highlight the necessity for comprehensive characterization of protein glycosylation. This chapter reviews cutting-edge methods and tools developed to facilitate quantitative glycomics. This chapter highlights the different methods employed for the release and purification of glycans from biological samples. The most effective labeling methods developed for sensitive quantitative glycomics are also described and discussed. The chromatographic approaches that have been used effectively in glycomics are also highlighted.
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Affiliation(s)
- L Veillon
- Texas Tech University, Lubbock, TX, United States
| | - S Zhou
- Texas Tech University, Lubbock, TX, United States
| | - Y Mechref
- Texas Tech University, Lubbock, TX, United States.
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20
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Reversed-phase separation methods for glycan analysis. Anal Bioanal Chem 2016; 409:359-378. [PMID: 27888305 PMCID: PMC5203856 DOI: 10.1007/s00216-016-0073-0] [Citation(s) in RCA: 69] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2016] [Revised: 10/26/2016] [Accepted: 10/31/2016] [Indexed: 12/21/2022]
Abstract
Reversed-phase chromatography is a method that is often used for glycan separation. For this, glycans are often derivatized with a hydrophobic tag to achieve retention on hydrophobic stationary phases. The separation and elution order of glycans in reversed-phase chromatography is highly dependent on the hydrophobicity of the tag and the contribution of the glycan itself to the retention. The contribution of the different monosaccharides to the retention strongly depends on the position and linkage, and isomer separation may be achieved. The influence of sialic acids and fucoses on the retention of glycans is still incompletely understood and deserves further study. Analysis of complex samples may come with incomplete separation of glycan species, thereby complicating reversed-phase chromatography with fluorescence or UV detection, whereas coupling with mass spectrometry detection allows the resolution of complex mixtures. Depending on the column properties, eluents, and run time, separation of isomeric and isobaric structures can be accomplished with reversed-phase chromatography. Alternatively, porous graphitized carbon chromatography and hydrophilic interaction liquid chromatography are also able to separate isomeric and isobaric structures, generally without the necessity of glycan labeling. Hydrophilic interaction liquid chromatography, porous graphitized carbon chromatography, and reversed-phase chromatography all serve different research purposes and thus can be used for different research questions. A great advantage of reversed-phase chromatography is its broad distribution as it is used in virtually every bioanalytical research laboratory, making it an attracting platform for glycan analysis. Glycan isomer separation by reversed phase liquid chromatography ![]()
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21
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Zhou S, Hu Y, Mechref Y. High-temperature LC-MS/MS of permethylated glycans derived from glycoproteins. Electrophoresis 2016; 37:1506-13. [PMID: 26914157 PMCID: PMC4962687 DOI: 10.1002/elps.201500568] [Citation(s) in RCA: 43] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2015] [Revised: 02/16/2016] [Accepted: 02/16/2016] [Indexed: 11/06/2022]
Abstract
Various glycomic analysis methods have been developed due to the essential roles of glycans in biological processes as well as the potential application of glycomics in biomarker discovery in many diseases. Permethylation is currently considered to be one of the most common derivatization methods in MS-based glycomic analysis. Permethylation not only improves ionization efficiency and stability of sialylated glycans in positive mode but also allows for enhanced separation performance on reversed-phase liquid chromatography (RPLC). Recently, RPLC-MS analysis of permethylated glycans exhibited excellent performance in sensitivity and reproducibility and became a widely-applied comprehensive strategy in glycomics. However, separating permethylated glycans by RPLC always suffers from peak broadening for high-molecular-weight branched glycans, which probably due to the low exchange rate between the stationary phase and mobile phase limited by intermolecular interactions of the methyl groups associated with the branching of the glycan structures. In this study, we employed high separation temperature conditions for RPLC of permethylated glycans, thus achieving enhanced peak capacity, improving peak shape, and enhancing separation efficiency. Additionally, partial isomeric separation were observed in RPLC of permethylated glycans at high-temperature. Mathematical processing of the correlation between retention time and molecular weight also revealed the advantage of high-temperature LC method for both manual and automatic glycan identification.
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Affiliation(s)
- Shiyue Zhou
- Department of Chemistry and Biochemistry, Texas Tech University, Lubbock, TX 79409
| | - Yunli Hu
- Department of Chemistry and Biochemistry, Texas Tech University, Lubbock, TX 79409
| | - Yehia Mechref
- Department of Chemistry and Biochemistry, Texas Tech University, Lubbock, TX 79409
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22
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A lectin-based isolation/enrichment strategy for improved coverage of N-glycan analysis. Carbohydr Res 2015; 416:7-13. [DOI: 10.1016/j.carres.2015.08.004] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2015] [Revised: 07/28/2015] [Accepted: 08/12/2015] [Indexed: 11/18/2022]
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23
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Li G, Li L, Xue C, Middleton D, Linhardt RJ, Avci FY. Profiling pneumococcal type 3-derived oligosaccharides by high resolution liquid chromatography-tandem mass spectrometry. J Chromatogr A 2015; 1397:43-51. [PMID: 25913329 DOI: 10.1016/j.chroma.2015.04.009] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2014] [Revised: 04/02/2015] [Accepted: 04/04/2015] [Indexed: 02/02/2023]
Abstract
Pneumococcal type-3 polysaccharide (Pn3P) is considered a major target for the development of a human vaccine to protect against Streptococcus pneumoniae infection. Thus, it is critical to develop methods for the preparation and analysis of Pn3P-derived oligosaccharides to better understand its immunological properties. In this paper, we profile oligosaccharides, generated by the free radical depolymerization of Pn3P, using liquid chromatography (LC)-tandem mass spectrometry (MS/MS). Hydrophilic liquid interaction chromatography (HILIC)-mass spectrometry (MS) revealed a series of oligosaccharides with an even- and odd-number of saccharide residues, ranging from monosaccharide, degree of polymerization (dp1) to large oligosaccharides up to dp 20, generated by free radical depolymerization. Isomers of oligosaccharides with an even number of sugar residues were easily separated on a HILIC column, and their sequences could be distinguished by comparing MS/MS of these oligosaccharides and their reduced alditols. Fluorescent labeling with 2-aminoacridone (AMAC) followed by reversed phase (RP)-LC-MS/MS was applied to analyze and sequence poorly separated product mixtures, as RP-LC affords higher resolution of AMAC-labeled oligosaccharides than does HILIC-based separation. The present methodology can be potentially applied to profiling other capsular polysaccharides.
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Affiliation(s)
- Guoyun Li
- College of Food Science and Technology, Ocean University of China, Qingdao, Shandong 266003, China; Department of Chemistry and Chemical Biology, Center for Biotechnology and Interdisciplinary Studies, Rensselaer Polytechnic Institute, Troy, NY 12180, USA
| | - Lingyun Li
- Department of Chemistry and Chemical Biology, Center for Biotechnology and Interdisciplinary Studies, Rensselaer Polytechnic Institute, Troy, NY 12180, USA
| | - Changhu Xue
- College of Food Science and Technology, Ocean University of China, Qingdao, Shandong 266003, China
| | - Dustin Middleton
- Department of Biochemistry and Molecular Biology, Center for Molecular Medicine, and Complex Carbohydrate Research Center, University of Georgia, Athens, GA 30602, USA
| | - Robert J Linhardt
- Department of Chemistry and Chemical Biology, Center for Biotechnology and Interdisciplinary Studies, Rensselaer Polytechnic Institute, Troy, NY 12180, USA; Department of 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; Department of Biomedical Engineering, Center for Biotechnology and Interdisciplinary Studies, Rensselaer Polytechnic Institute, Troy, NY 12180, USA.
| | - Fikri Y Avci
- Department of Biochemistry and Molecular Biology, Center for Molecular Medicine, and Complex Carbohydrate Research Center, University of Georgia, Athens, GA 30602, USA.
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24
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Yang Y, Barendregt A, Kamerling JP, Heck AJR. Analyzing protein micro-heterogeneity in chicken ovalbumin by high-resolution native mass spectrometry exposes qualitatively and semi-quantitatively 59 proteoforms. Anal Chem 2013; 85:12037-45. [PMID: 24229052 PMCID: PMC3880056 DOI: 10.1021/ac403057y] [Citation(s) in RCA: 49] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2013] [Accepted: 11/14/2013] [Indexed: 01/18/2023]
Abstract
Taking chicken Ovalbumin as a prototypical example of a eukaryotic protein we use high-resolution native electrospray ionization mass spectrometry on a modified Exactive Orbitrap mass analyzer to qualitatively and semiquantitatively dissect 59 proteoforms in the natural protein. This variety is largely induced by the presence of multiple phosphorylation sites and a glycosylation site that we find to be occupied by at least 45 different glycan structures. Mass analysis of the intact protein in its native state is straightforward and fast, requires very little sample preparation, and provides a direct view on the stoichiometry of all different coappearing modifications that are distinguishable in mass. As such, this proof-of-principal analysis shows that native electrospray ionization mass spectrometry in combination with an Orbitrap mass analyzer offers a means to characterize proteins in a manner highly complementary to standard bottom-up shot-gun proteome analysis.
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Affiliation(s)
- Yang Yang
- Biomolecular Mass
Spectrometry and Proteomics, Bijvoet Center for Biomolecular Research
and Utrecht Institute for Pharmaceutical Sciences, University
of Utrecht, Padualaan
8, 3584 CH Utrecht, The Netherlands
- Netherlands
Proteomics Center, Padualaan
8, 3584 CH Utrecht, The Netherlands
| | - Arjan Barendregt
- Biomolecular Mass
Spectrometry and Proteomics, Bijvoet Center for Biomolecular Research
and Utrecht Institute for Pharmaceutical Sciences, University
of Utrecht, Padualaan
8, 3584 CH Utrecht, The Netherlands
- Netherlands
Proteomics Center, Padualaan
8, 3584 CH Utrecht, The Netherlands
| | - Johannis P. Kamerling
- Biomolecular Mass
Spectrometry and Proteomics, Bijvoet Center for Biomolecular Research
and Utrecht Institute for Pharmaceutical Sciences, University
of Utrecht, Padualaan
8, 3584 CH Utrecht, The Netherlands
| | - Albert J. R. Heck
- Biomolecular Mass
Spectrometry and Proteomics, Bijvoet Center for Biomolecular Research
and Utrecht Institute for Pharmaceutical Sciences, University
of Utrecht, Padualaan
8, 3584 CH Utrecht, The Netherlands
- Netherlands
Proteomics Center, Padualaan
8, 3584 CH Utrecht, The Netherlands
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25
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Development and evaluation of monoclonal antibodies for the glucoside of T-2 toxin (t2-glc). Toxins (Basel) 2013; 5:1299-313. [PMID: 23877196 PMCID: PMC3737498 DOI: 10.3390/toxins5071299] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2013] [Revised: 07/11/2013] [Accepted: 07/12/2013] [Indexed: 11/27/2022] Open
Abstract
The interactions between fungi and plants can yield metabolites that are toxic in animal systems. Certain fungi are known to produce sesquiterpenoid trichothecenes, such as T-2 toxin, that are biotransformed by several mechanisms including glucosylation. The glucosylated forms have been found in grain and are of interest as potential reservoirs of T-2 toxin that are not detected by many analytical methods. Hence the glucosides of trichothecenes are often termed “masked” mycotoxins. The glucoside of T-2 toxin (T2-Glc) was linked to keyhole limpet hemocyanin and used to produce antibodies in mice. Ten monoclonal antibody (Mab)-producing hybridoma cell lines were developed. The Mabs were used in immunoassays to detect T2-Glc and T-2 toxin, with midpoints of inhibition curves (IC50s) in the low ng/mL range. Most of the Mabs demonstrated good cross-reactivity to T-2 toxin, with lower recognition of HT-2 toxin. One of the clones (2-13) was further characterized with in-depth cross-reactivity and solvent tolerance studies. Results suggest Mab 2-13 will be useful for the simultaneous detection of T-2 toxin and T2-Glc.
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26
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Xia B, Asif G, Arthur L, Pervaiz MA, Li X, Liu R, Cummings RD, He M. Oligosaccharide analysis in urine by maldi-tof mass spectrometry for the diagnosis of lysosomal storage diseases. Clin Chem 2013; 59:1357-68. [PMID: 23676310 DOI: 10.1373/clinchem.2012.201053] [Citation(s) in RCA: 54] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
BACKGROUND There are 45 known genetic diseases that impair the lysosomal degradation of macromolecules. The loss of a single lysosomal hydrolase leads to the accumulation of its undegraded substrates in tissues and increases of related glycoconjugates in urine, some of which can be detected by screening of free oligosaccharides (FOS) in urine. Traditional 1-dimensional TLC for urine oligosaccharide analysis has limited analytical specificity and sensitivity. We developed fast and robust urinary FOS and glycoaminoacid analyses by MALDI-time-of-flight/time-of-flight (MALDI-TOF/TOF) mass spectrometry for the diagnosis of oligosaccharidoses and other lysosomal storage diseases. METHODS The FOS in urine equivalent to 0.09 mg creatinine were purified through sequential passage over a Sep-Pak C18 column and a carbograph column and were then permethylated. MALDI-TOF/TOF was used to analyze the permethylated FOS. We studied urine samples from individuals in 7 different age groups ranging from 0-1 months to ≥ 17 years as well as urine from known patients with different lysosomal storage diseases. RESULTS We identified diagnostic urinary FOS patterns for α-mannosidosis, galactosialidosis, mucolipidosis type II/III, sialidosis, α-fucosidosis, aspartylglucosaminuria (AGU), Pompe disease, Gaucher disease, and GM1 and GM2 gangliosidosis. Interestingly, the increase in urinary FOS characteristic of lysosomal storage diseases relative to normal FOS appeared to correlate with the disease severity. CONCLUSIONS The analysis of urinary FOS by MALDI-TOF/TOF is a powerful tool for first-tier screening of oligosaccharidoses and lysosomal storage diseases.
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Affiliation(s)
- Baoyun Xia
- Department of Human Genetics, Emory University, 2165 N. Decatur Rd., Decatur, GA, 30033, USA
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27
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Alley WR, Mann BF, Novotny MV. High-sensitivity analytical approaches for the structural characterization of glycoproteins. Chem Rev 2013; 113:2668-732. [PMID: 23531120 PMCID: PMC3992972 DOI: 10.1021/cr3003714] [Citation(s) in RCA: 239] [Impact Index Per Article: 21.7] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Affiliation(s)
- William R. Alley
- Department of Chemistry, Indiana University, Bloomington, Indiana, United States
- National Center for Glycomics and Glycoproteomics, Indiana University, Bloomington, Indiana, United States
| | - Benjamin F. Mann
- Department of Chemistry, Indiana University, Bloomington, Indiana, United States
- National Center for Glycomics and Glycoproteomics, Indiana University, Bloomington, Indiana, United States
| | - Milos V. Novotny
- Department of Chemistry, Indiana University, Bloomington, Indiana, United States
- National Center for Glycomics and Glycoproteomics, Indiana University, Bloomington, Indiana, United States
- Indiana University School of Medicine, Indiana University, Indianapolis, Indiana, United States
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28
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Walker SH, Carlisle BC, Muddiman DC. Systematic comparison of reverse phase and hydrophilic interaction liquid chromatography platforms for the analysis of N-linked glycans. Anal Chem 2012; 84:8198-206. [PMID: 22954204 PMCID: PMC3689152 DOI: 10.1021/ac3012494] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Due to the hydrophilic nature of glycans, reverse phase chromatography has not been widely used as a glycomic separation technique coupled to mass spectrometry. Other approaches such as hydrophilic interaction chromatography and porous graphitized carbon chromatography are often employed, though these strategies frequently suffer from decreased chromatographic resolution, long equilibration times, indefinite retention, and column bleed. Herein, it is shown that, through an efficient hydrazone formation derivatization of N-linked glycans (~4 h of additional sample preparation time which is carried out in parallel), numerous experimental and practical advantages are gained when analyzing the glycans by online reverse phase chromatography. These benefits include an increased number of glycans detected, increased peak capacity of the separation, and the ability to analyze glycans on the identical liquid chromatography-mass spectrometry platform commonly used for proteomic analyses. The data presented show that separation of derivatized N-linked glycans by reverse phase chromatography significantly out-performs traditional separation of native or derivatized glycans by hydrophilic interaction chromatography. Furthermore, the movement to a more ubiquitous separation technique will afford numerous research groups the opportunity to analyze both proteomic and glycomic samples on the same platform with minimal time and physical change between experiments, increasing the efficiency of "multiomic" biological approaches.
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Affiliation(s)
- S. Hunter Walker
- W.M. Keck FT-ICR Mass Spectrometry Laboratory, Department of Chemistry, North Carolina State University, Raleigh, North Carolina 27695
| | - Brandon C. Carlisle
- W.M. Keck FT-ICR Mass Spectrometry Laboratory, Department of Chemistry, North Carolina State University, Raleigh, North Carolina 27695
| | - David C. Muddiman
- W.M. Keck FT-ICR Mass Spectrometry Laboratory, Department of Chemistry, North Carolina State University, Raleigh, North Carolina 27695
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29
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Du Y, May K, Xu W, Liu H. Detection and quantitation of afucosylated N-linked oligosaccharides in recombinant monoclonal antibodies using enzymatic digestion and LC-MS. JOURNAL OF THE AMERICAN SOCIETY FOR MASS SPECTROMETRY 2012; 23:1241-1249. [PMID: 22569911 DOI: 10.1007/s13361-012-0397-8] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/13/2012] [Revised: 04/09/2012] [Accepted: 04/18/2012] [Indexed: 05/31/2023]
Abstract
The presence of N-linked oligosaccharides in the CH2 domain has a significant impact on the structure, stability, and biological functions of recombinant monoclonal antibodies. The impact is also highly dependent on the specific oligosaccharide structures. The absence of core-fucose has been demonstrated to result in increased binding affinity to Fcγ receptors and, thus, enhanced antibody-dependent cellular cytotoxicity (ADCC). Therefore, a method that can specifically determine the level of oligosaccharides without the core-fucose (afucosylation) is highly desired. In the current study, recombinant monoclonal antibodies and tryptic peptides from the antibodies were digested using endoglycosidases F2 and H, which cleaves the glycosidic bond between the two primary GlcNAc residues. As a result, various oligosaccharides of either complex type or high mannose type that are commonly observed for recombinant monoclonal antibodies are converted to either GlcNAc residue only or GlcNAc with the core-fucose. The level of GlcNAc represents the sum of all afucosylated oligosaccharides, whereas the level of GlcNAc with the core-fucose represents the sum of all fucosylated oligosaccharides. LC-MS analysis of the enzymatically digested antibodies after reduction provided a quick estimate of the levels of afucosylation. An accurate determination of the level of afucosylation was obtained by LC-MS analysis of glycopeptides after trypsin digestion.
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Affiliation(s)
- Yi Du
- Merck Research Laboratories, 1011 Morris Ave, Union, NJ 07083, USA
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30
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Jeong HJ, Kim YG, Yang YH, Kim BG. High-throughput quantitative analysis of total N-glycans by matrix-assisted laser desorption/ionization time-of-flight mass spectrometry. Anal Chem 2012; 84:3453-60. [PMID: 22455307 DOI: 10.1021/ac203440c] [Citation(s) in RCA: 43] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Accurate and reproducible quantification of glycans from protein drugs has become an important issue for quality control of therapeutic proteins in biopharmaceutical and biotechnology industries. Mass spectrometry is a promising tool for both qualitative and quantitative analysis of glycans owing to mass accuracy, efficiency, and reproducibility, but it has been of limited success in quantitative analysis for sialylated glycans in a high-throughput manner. Here, we present a solid-phase permethylation-based total N-glycan quantitative method that includes N-glycan releasing, purification, and derivatization on a 96-well plate platform. The solid-phase neutralization enabled us to perform reliable absolute quantification of the acidic N-glycans as well as neutral N-glycans from model glycoproteins (i.e., chicken ovalbumin and porcine thyroglobulin) by only using matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOF MS). Furthermore, low-abundance sialylated N-glycans from human serum prostate specific antigen (PSA), an extremely valuable prostate cancer marker, were initially quantified, and their chemical compositions were proposed. Taken together, these results demonstrate that our all-inclusive glycan preparation method based on a 96-well plate platform may contribute to the precise and reliable qualitative and quantitative analysis of glycans.
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Affiliation(s)
- Hee-Jin Jeong
- School of Chemical and Biological Engineering in College of Engineering, Seoul National University, Shillim-dong, Seoul, 151-742, Korea
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Zauner G, Koeleman CAM, Deelder AM, Wuhrer M. Mass spectrometric O-glycan analysis after combined O-glycan release by beta-elimination and 1-phenyl-3-methyl-5-pyrazolone labeling. Biochim Biophys Acta Gen Subj 2011; 1820:1420-8. [PMID: 21803123 DOI: 10.1016/j.bbagen.2011.07.004] [Citation(s) in RCA: 51] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2011] [Revised: 07/08/2011] [Accepted: 07/09/2011] [Indexed: 01/06/2023]
Abstract
BACKGROUND Analysis of protein glycosylation is an important first step towards establishing the functions of glycans in health and disease. In contrast to N-glycans which are generally enzymatically released for analysis, there is no corresponding enzyme for O-glycan liberation. Therefore, O-glycans are generally released by chemical methods involving tedious procedures. METHODS Here, a straightforward method for the combined release and labeling of O-linked glycans from glycoproteins is described. Dimethylamine serves as the releasing agent, and 1-phenyl-3-methyl-5-pyrazolone (PMP) is employed for a prompt reaction with the reducing end of the freshly released O-glycan structures via an aldol condensation followed by a Michael-type addition resulting in a 2:1 stoichiometry of PMP per glycan. Samples are analyzed by nanoLC coupled to mass spectrometry. RESULTS Mucin from bovine submaxillary gland was used as a model protein to evaluate and optimize the approach that was further applied to bile salt stimulated lipase (BSSL) isolated from human milk. Next to previously reported O-glycan structures two additional oligosaccharides could be detected for BSSL. GENERAL SIGNIFICANCE In conclusion, the facile protocol established is suitable for the analysis of complex O-linked oligosaccharides from various biological samples. This article is part of a Special Issue entitled Glycoproteomics.
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Affiliation(s)
- Gerhild Zauner
- Biomolecular Mass Spectrometry Unit, Department of Parasitology, Leiden University Medical Center, Postbus 9600, 2300 RC, Leiden, The Netherlands
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McRae G, Monreal CM. LC-MS/MS quantitative analysis of reducing carbohydrates in soil solutions extracted from crop rhizospheres. Anal Bioanal Chem 2011; 400:2205-15. [DOI: 10.1007/s00216-011-4940-4] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2010] [Revised: 03/07/2011] [Accepted: 03/20/2011] [Indexed: 11/27/2022]
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Zhao J, Liu YH, Reichert P, Pflanz S, Pramanik B. Glycosylation analysis of interleukin-23 receptor: elucidation of glycosylation sites and characterization of attached glycan structures. JOURNAL OF MASS SPECTROMETRY : JMS 2010; 45:1416-1425. [PMID: 21053369 DOI: 10.1002/jms.1858] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
Abstract
Interleukin-23 (IL-23) is a heterodimeric cytokine, a central factor in chronic/autoimmune inflammation. It signals through a heterodimeric receptor consisting of IL-23r, which is heavily glycosylated. The structural characterization of IL-23r has not been reported. In this work, glycosylation profiles of soluble recombinant human IL-23r (rhIL-23r) were established using mass spectrometry (MS), which included defining glycosylation sites, degree of glycosylation occupancy of each site and structure of attached oligosaccharides. Specifically, precursor ion scan of oxonium ion protonated N-acetylglucosamine (GlcNAc(+)) (m/z 204) was performed using a triple quadrupole MS instrument to locate the retention time of glycopeptides. Both the glycopeptides and their corresponding deglycosylated forms in each collected HPLC fraction were studied by liquid chromatography-tandem mass spectrometry (LC-MS/MS) (LTQ-Orbitrap) for glycosylation site profiling. The attached glycan structures were elucidated by collision-induced dissociation (CID) fragmentation of target glycopeptides in combination with accurate mass measurement. Eight glycosylation sites were identified on IL-23r (Asn24, Asn209, Asn239, Asn157, Asn118, Asn250, Asn58 and Asn6). Most of the glycosylation sites were > 95% occupied except Asn250 and Asn6. Those two sites were 88% and 45% occupied by estimation from trypsin digestion and were 55% and 42% occupied from LysC digestion. Multiple glycoforms were observed in IL-23r. Most of them were bi-, tri- or tetra-antennary complex type structures with fucose and sialic acid. High mannose and hybrid type glycans were only observed on Asn157. The structural characterization on IL-23r glycosylation provides useful information for better understanding of the biological function of IL-23r.
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Affiliation(s)
- Jia Zhao
- Merck Research Laboratories, 2015 Galloping Hill Road, Kenilworth, NJ 07033, USA.
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34
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Ruhaak LR, Zauner G, Huhn C, Bruggink C, Deelder AM, Wuhrer M. Glycan labeling strategies and their use in identification and quantification. Anal Bioanal Chem 2010; 397:3457-81. [PMID: 20225063 PMCID: PMC2911528 DOI: 10.1007/s00216-010-3532-z] [Citation(s) in RCA: 359] [Impact Index Per Article: 25.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2009] [Revised: 01/22/2010] [Accepted: 01/22/2010] [Indexed: 12/28/2022]
Abstract
Most methods for the analysis of oligosaccharides from biological sources require a glycan derivatization step: glycans may be derivatized to introduce a chromophore or fluorophore, facilitating detection after chromatographic or electrophoretic separation. Derivatization can also be applied to link charged or hydrophobic groups at the reducing end to enhance glycan separation and mass-spectrometric detection. Moreover, derivatization steps such as permethylation aim at stabilizing sialic acid residues, enhancing mass-spectrometric sensitivity, and supporting detailed structural characterization by (tandem) mass spectrometry. Finally, many glycan labels serve as a linker for oligosaccharide attachment to surfaces or carrier proteins, thereby allowing interaction studies with carbohydrate-binding proteins. In this review, various aspects of glycan labeling, separation, and detection strategies are discussed.
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Affiliation(s)
- L. R. Ruhaak
- Biomolecular Mass Spectrometry Unit, Department of Parasitology, Leiden University Medical Center, P.O. Box 9600, 2300RC Leiden, The Netherlands
| | - G. Zauner
- Biomolecular Mass Spectrometry Unit, Department of Parasitology, Leiden University Medical Center, P.O. Box 9600, 2300RC Leiden, The Netherlands
| | - C. Huhn
- Biomolecular Mass Spectrometry Unit, Department of Parasitology, Leiden University Medical Center, P.O. Box 9600, 2300RC Leiden, The Netherlands
| | - C. Bruggink
- Biomolecular Mass Spectrometry Unit, Department of Parasitology, Leiden University Medical Center, P.O. Box 9600, 2300RC Leiden, The Netherlands
| | - A. M. Deelder
- Biomolecular Mass Spectrometry Unit, Department of Parasitology, Leiden University Medical Center, P.O. Box 9600, 2300RC Leiden, The Netherlands
| | - M. Wuhrer
- Biomolecular Mass Spectrometry Unit, Department of Parasitology, Leiden University Medical Center, P.O. Box 9600, 2300RC Leiden, The Netherlands
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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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36
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Wuhrer M, de Boer AR, Deelder AM. Structural glycomics using hydrophilic interaction chromatography (HILIC) with mass spectrometry. MASS SPECTROMETRY REVIEWS 2009; 28:192-206. [PMID: 18979527 DOI: 10.1002/mas.20195] [Citation(s) in RCA: 187] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/13/2023]
Abstract
Hydrophilic interaction chromatography (HILIC) with mass spectrometry is a versatile technique for structural glycomics. Glycans are retained by hydrogen bonding, ionic interactions, and dipole-dipole interactions. Glycopeptides as well as glycans with various modifications and reducing-end labels can be efficiently separated, which often results in the resolution of isobaric species. Chromatography is usually performed with solvent mixtures of organic modifier (often acetonitrile) and volatile (acidic) buffer which are suitable for online-electrospray ionization-mass spectrometry. When performed at the nano-scale, this results in a detection limit for oligosaccharides of approximately 1 femtomol. Alternatively, glycans may be analyzed by offline-MALDI-MS(/MS) in both negative-ion mode and positive-ion mode, which allows the registration of informative fragment ion spectra from deprotonated species and sodium adducts, respectively. (c) 2009 Wiley Periodicals, Inc., Mass Spec Rev 28:192-206, 2009.
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Affiliation(s)
- Manfred Wuhrer
- Leiden University Medical Center, Biomolecular Mass Spectrometry Unit, Department of Parasitology, P.O. Box 9600, 2300 RC Leiden, The Netherlands.
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Prater BD, Connelly HM, Qin Q, Cockrill SL. High-throughput immunoglobulin G N-glycan characterization using rapid resolution reverse-phase chromatography tandem mass spectrometry. Anal Biochem 2009; 385:69-79. [DOI: 10.1016/j.ab.2008.10.023] [Citation(s) in RCA: 50] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2008] [Revised: 10/13/2008] [Accepted: 10/13/2008] [Indexed: 10/21/2022]
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38
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Zhang Z, Pan H, Chen X. Mass spectrometry for structural characterization of therapeutic antibodies. MASS SPECTROMETRY REVIEWS 2009; 28:147-76. [PMID: 18720354 DOI: 10.1002/mas.20190] [Citation(s) in RCA: 208] [Impact Index Per Article: 13.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/11/2023]
Abstract
Antibodies, also known as immunoglobulins, have emerged as one of the most promising classes of therapeutics in the biopharmaceutical industry. The need for complete characterization of the quality attributes of these molecules requires sophisticated techniques. Mass spectrometry (MS) has become an essential analytical tool for the structural characterization of therapeutic antibodies, due to its superior resolution over other analytical techniques. It has been widely used in virtually all phases of antibody development. Structural features determined by MS include amino acid sequence, disulfide linkages, carbohydrate structure and profile, and many different post-translational, in-process, and in-storage modifications. In this review, we will discuss various MS-based techniques for the structural characterization of monoclonal antibodies. These techniques are categorized as mass determination of intact antibodies, and as middle-up, bottom-up, top-down, and middle-down structural characterizations. Each of these techniques has its advantages and disadvantages in terms of structural resolution, sequence coverage, sample consumption, and effort required for analyses. The role of MS in glycan structural characterization and profiling will also be discussed.
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Affiliation(s)
- Zhongqi Zhang
- Process and Product Development, Amgen, Thousand Oaks, CA 91320, USA.
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39
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Pabst M, Kolarich D, Pöltl G, Dalik T, Lubec G, Hofinger A, Altmann F. Comparison of fluorescent labels for oligosaccharides and introduction of a new postlabeling purification method. Anal Biochem 2008; 384:263-73. [PMID: 18940176 DOI: 10.1016/j.ab.2008.09.041] [Citation(s) in RCA: 124] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2008] [Revised: 09/18/2008] [Accepted: 09/29/2008] [Indexed: 11/28/2022]
Abstract
Labeling of oligosaccharides with fluorescent dyes is the prerequisite for their sensitive analysis by high-performance liquid chromatography (HPLC). In this work, we present a fast new postlabeling cleanup procedure that requires no device other than the reaction vial itself. The procedure can be applied to essentially all labeling reagents. We also compare the performance of 15 different labels for N-glycan analysis in various analytical procedures. We took special care to prevent obscuring influences from incomplete derivatization and signal quenching by impurities. Procainamide emerged as more sensitive than anthranilic acid for normal-phase HPLC, but its chromatographic performance was not convincing. 2-aminopyridine was the label with the lowest retention on reversed-phase and graphitic carbon columns and, thus, appears to be most suitable for glycan fractionation by multidimensional HPLC. Most glycan derivatives performed better than native sugars in matrix-assisted laser desorption/ionization-mass spectrometry (MALDI-MS) and electrospray ionization-MS (ESI-MS), but the gain was small and hardly sufficient to compensate for sample loss during preparation.
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Affiliation(s)
- Martin Pabst
- Department of Chemistry, University of Natural Resources and Applied Life Sciences (BOKU), 1190 Vienna, Austria
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40
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Chen X, Flynn GC. Analysis of N-glycans from recombinant immunoglobulin G by on-line reversed-phase high-performance liquid chromatography/mass spectrometry. Anal Biochem 2007; 370:147-61. [PMID: 17880905 DOI: 10.1016/j.ab.2007.08.012] [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: 04/16/2007] [Revised: 07/31/2007] [Accepted: 08/02/2007] [Indexed: 10/23/2022]
Abstract
An on-line reversed-phase (RP) high-performance liquid chromatography/mass spectrometry (MS) method has been developed for profiling and characterizing N-glycans from recombinant immunoglobulin G antibodies. In this method, released N-glycans are derivatized at their reducing end with 2-aminobenzamide (2AB) and separated on a RP column with on-line fluorescence and MS detection. The method achieves good resolution of all major glycans and segregates glycan types (high-mannose, hybrid, and complex) to different regions of the chromatogram, thus allowing accurate quantification of N-glycans from the fluorescent signal alone. Moreover, the mobile phase used allows high quality on-line MS detection. The 2AB-labeled N-glycans demonstrate good ionization efficiency in electrospray and generate primarily doubly charged [M+2H](2+) ions. The mass and structural information can be readily obtained from the on-line MS and tandem MS data. As little as 70 fmol glycan species can be detected and identified.
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Affiliation(s)
- Xiaoyu Chen
- Process and Analytical Sciences, Amgen, Inc., Thousand Oaks, CA 91320, USA
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41
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Morelle W, Canis K, Chirat F, Faid V, Michalski JC. The use of mass spectrometry for the proteomic analysis of glycosylation. Proteomics 2006; 6:3993-4015. [PMID: 16786490 DOI: 10.1002/pmic.200600129] [Citation(s) in RCA: 180] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Of all protein PTMs, glycosylation is by far the most common, and is a target for proteomic research. Glycosylation plays key roles in controlling various cellular processes and the modifications of the glycan structures in diseases highlight the clinical importance of this PTM. Glycosylation analysis remains a difficult task. MS, in combination with modern separation methodologies, is one of the most powerful and versatile techniques for the structural analysis of glycoconjugates. This review describes methodologies based on MS for detailed characterization of glycoconjugates in complex biological samples at the sensitivity required for proteomic work.
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Affiliation(s)
- Willy Morelle
- Unité Mixte de Recherche CNRS/USTL 8576, Université des Sciences et Technologies de Lille 1, Villeneuve d'Ascq Cedex, France.
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42
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Zaikin VG, Halket JM. Derivatization in mass spectrometry--8. Soft ionization mass spectrometry of small molecules. EUROPEAN JOURNAL OF MASS SPECTROMETRY (CHICHESTER, ENGLAND) 2006; 12:79-115. [PMID: 16723751 DOI: 10.1255/ejms.798] [Citation(s) in RCA: 72] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/09/2023]
Abstract
This is the first of two reviews devoted to derivatization approaches for "soft" ionization mass spectrometry (FAB, MALDI, ESI, APCI) and deals, in particular, with small molecules. The principles of the main "soft" ionization mass spectrometric methods as well as the reasons for derivatizing small molecules are briefly described. Derivatization methods for modification of amines, carboxylic acids, amino acids, alcohols, carbonyl compounds, monosaccharides, thiols, unsaturated and aromatic compounds etc. to improve their ionizability and to enhance structure information content are discussed. The use of "fixed"-charge bearing derivatization reagents is especially emphasized. Chemical aspects of derivatization and "soft" ionization mass spectrometric properties of derivatives are considered.
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Affiliation(s)
- Vladimir G Zaikin
- Topchiev Institute of Petrochemical Synthesis, Russian Academy of Sciences, Leninsky prospect 29, 119991Moscow, Russia.
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43
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Zhu L, van de Lavoir MC, Albanese J, Beenhouwer DO, Cardarelli PM, Cuison S, Deng DF, Deshpande S, Diamond JH, Green L, Halk EL, Heyer BS, Kay RM, Kerchner A, Leighton PA, Mather CM, Morrison SL, Nikolov ZL, Passmore DB, Pradas-Monne A, Preston BT, Rangan VS, Shi M, Srinivasan M, White SG, Winters-Digiacinto P, Wong S, Zhou W, Etches RJ. Production of human monoclonal antibody in eggs of chimeric chickens. Nat Biotechnol 2005; 23:1159-69. [PMID: 16127450 DOI: 10.1038/nbt1132] [Citation(s) in RCA: 139] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2005] [Accepted: 07/12/2005] [Indexed: 12/22/2022]
Abstract
The tubular gland of the chicken oviduct is an attractive system for protein expression as large quantities of proteins are deposited in the egg, the production of eggs is easily scalable and good manufacturing practices for therapeutics from eggs have been established. Here we examined the ability of upstream and downstream DNA sequences of ovalbumin, a protein produced exclusively in very high quantities in chicken egg white, to drive tissue-specific expression of human mAb in chicken eggs. To accommodate these large regulatory regions, we established and transfected lines of chicken embryonic stem (cES) cells and formed chimeras that express mAb from cES cell-derived tubular gland cells. Eggs from high-grade chimeras contained up to 3 mg of mAb that possesses enhanced antibody-dependent cellular cytotoxicity (ADCC), nonantigenic glycosylation, acceptable half-life, excellent antigen recognition and good rates of internalization.
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MESH Headings
- Animals
- Antibodies, Monoclonal/chemistry
- Blotting, Southern
- Blotting, Western
- CHO Cells
- Calorimetry, Differential Scanning
- Carbohydrates/chemistry
- Chickens
- Cricetinae
- DNA/metabolism
- Egg White
- Embryo, Mammalian/cytology
- Embryo, Nonmammalian
- Enzyme-Linked Immunosorbent Assay
- Female
- Genetic Vectors
- Genome
- Glycosylation
- Humans
- Immunoglobulin G
- Immunohistochemistry
- Isoelectric Focusing
- Mice
- Mice, Inbred BALB C
- Models, Genetic
- Monosaccharides/chemistry
- Oligosaccharides/chemistry
- Ovalbumin/genetics
- Ovalbumin/metabolism
- Polymerase Chain Reaction
- Recombinant Fusion Proteins/chemistry
- Reverse Transcriptase Polymerase Chain Reaction
- Spectrometry, Mass, Electrospray Ionization
- Stem Cells/cytology
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Affiliation(s)
- Lei Zhu
- Origen Therapeutics, 1450 Rollins Road, Burlingame, California 94010, USA
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44
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Bindila L, Peter-Katalinić J, Zamfir A. Sheathless reverse-polarity capillary electrophoresis-electrospray-mass spectrometry for analysis of underivatized glycoconjugates. Electrophoresis 2005; 26:1488-99. [PMID: 15765473 DOI: 10.1002/elps.200410307] [Citation(s) in RCA: 31] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
We report on the development of a novel methodology to extend the limits of capillary electrophoresis-electrospray ionization-mass spectrometry (CE-ESI-MS) general applicability. A sheathless on-line CE-ESI-MS setup was optimized on standard monosaccharide mixture to operate in reverse polarity and negative ion mode for MS detection without pressure to assist the sample migration, coating of the capillaries, and/or sample derivatization. This approach was further applied for screening of a complex glycopeptide mixture obtained from the urine of a patient diagnosed with N-acetylhexosaminidase deficiency, known as Schindler's disease. The potential of this methodology in terms of high sensitivity, separation efficiency, resolution, and reproducibility is demonstrated. In combination with the high quality of MS data, a new, significantly improved insight into the sample heterogeneity is possible.
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Affiliation(s)
- Laura Bindila
- Institute for Medical Physics and Biophysics, University of Münster, Münster, Germany
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45
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Morelle W, Slomianny MC, Diemer H, Schaeffer C, van Dorsselaer A, Michalski JC. Structural characterization of 2-aminobenzamide-derivatized oligosaccharides using a matrix-assisted laser desorption/ionization two-stage time-of-flight tandem mass spectrometer. RAPID COMMUNICATIONS IN MASS SPECTROMETRY : RCM 2005; 19:2075-84. [PMID: 15988715 DOI: 10.1002/rcm.2033] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/03/2023]
Abstract
Oligosaccharides were derivatized by reductive amination using 2-aminobenzamide (2-AB) and analyzed by matrix-assisted laser desorption/ionization two-stage time-of-flight (MALDI-TOF/TOF) tandem mass spectrometry (MS/MS) in the positive ion mode. The major signals were obtained under these conditions from the [M+Na]+ ions for all 2-AB-derivatized oligosaccharides. A systematic study was conducted on a series of 2-AB-derivatized oligosaccharides to allow rationalization of the fragmentation processes. The MALDI-TOF/TOF-MS/MS spectra of the [M+Na]+ ions of 2-AB-derivatized oligosaccharides were dominated by glycosidic cleavages. These fragments originating both from the reducing and the non-reducing ends of the oligosaccharide yield information on sequence and branching. Moreover, the MALDI-TOF/TOF-MS/MS spectra were also characterized by abundant cross-ring fragments which are very informative on the linkages of the monosaccharide residues constituting these oligosaccharides. MALDI-TOF/TOF-MS/MS analysis of 2-AB-derivatized oligosaccharides, by providing structural information at the low-picomole level, appears to be a powerful tool for carbohydrate structural analysis.
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Affiliation(s)
- Willy Morelle
- Unité Mixte de Recherche CNRS/USTL 8576, "Glycobiologie Structurale et Fonctionnelle", IFR 118, Université des Sciences et Technologies de Lille 1, 59655 Villeneuve d'Ascq Cedex, France.
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46
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Lattova E, Perreault H, Krokhin O. Matrix-assisted laser desorption/ionization tandem mass spectrometry and post-source decay fragmentation study of phenylhydrazones of N-linked oligosaccharides from ovalbumin. JOURNAL OF THE AMERICAN SOCIETY FOR MASS SPECTROMETRY 2004; 15:725-735. [PMID: 15121202 DOI: 10.1016/j.jasms.2004.01.012] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/24/2003] [Revised: 01/27/2004] [Accepted: 01/27/2004] [Indexed: 05/24/2023]
Abstract
N-linked oligosaccharides were released from hen ovalbumin by PNGase F and derivatized with phenylhydrazine. They were then examined by matrix-assisted laser desorption/ionization (MALDI) mass spectrometry. Phenylhydrazones of N-glycans under MALDI-tandem mass spectrometry (MS/MS) and post-source decay (PSD) conditions produced relatively similar fragmentation patterns; however, more cross-ring cleavages and fragment ions corresponding to low abundance isomeric structures were detected by MS/MS and not in PSD. Most fragment ions corresponded to glycosidic cleavages with preferential loss of residues from the chitobiose core and the 3-antenna. Sialylated phenylhydrazone-N-glycans, characterized here for the first time in ovalbumin by tandem mass spectrometry, underwent losses of sialic acid residues followed the same fragmentation pathways observed with neutral derivatized glycans. The relative abundances of some fragment ions indicated the linkage position of sialic acid and provided information on the number of residues attached to the 6-antenna. Also, new structures of ovalbumin glycans were observed as part of this study and are reported here.
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Affiliation(s)
- Erika Lattova
- Chemistry Department, University of Manitoba, Winnipeg, Manitoba, Canada
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47
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Lattova E, Perreault H. Profiling of N -linked oligosaccharides using phenylhydrazine derivatization and mass spectrometry. J Chromatogr A 2003; 1016:71-87. [PMID: 14601829 DOI: 10.1016/s0021-9673(03)01297-4] [Citation(s) in RCA: 47] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
N-linked oligosaccharide standards obtained from commercial sources were derivatized with phenylhydrazine (PHN) and analyzed by on-line reversed-phase high performance liquid chromatography (HPLC)/electrospray ionization mass spectrometry (ESI-MS). This procedure was then applied to mixtures of N-glycans enzymatically released from hen ovalbumin. Under ESI-MS conditions, phenylhydrazones of asialylated oligosaccharide standards and ovalbumin glycans produced mainly [M + 2H]2+ molecular ions at low cone voltage values, while minimal fragmentation was observed. Reversed-phase HPLC/ESI-MS total and selected ion chromatograms obtained for derivatized N-glycans from ovalbumin showed partial but useful separation. Overall glycan profiles obtained by ESI-MS were compared with results obtained by matrix-assisted laser desorption/ionization (MALDI)-MS. Qualitatively, profiles were similar from one technique to the other in terms of relative abundance of glycans versus composition. Post-source decay (PSD) analysis of the [M + Na]+ ions of PHN-glycans showed dominant B, C and internal B/Y, C/Y cleavages. These patterns were helpful in relating fragmentation to proposed structures. Cross-ring cleavage fragment ions (A-type) were also observed in most cases. The PHN derivatization method is fast and simple. It produces abundant parent ions in both MALDI-MS and ESI-MS, while avoiding the presence of salt contaminants during the labeling procedure.
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Affiliation(s)
- Erika Lattova
- Chemistry Department, University of Manitoba, 144 Dysart Road, Winnipeg, Man., Canada R3T 2N2
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48
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Lattova E, Perreault H. Labelling saccharides with phenylhydrazine for electrospray and matrix-assisted laser desorption-ionization mass spectrometry. J Chromatogr B Analyt Technol Biomed Life Sci 2003; 793:167-79. [PMID: 12880864 DOI: 10.1016/s1570-0232(03)00374-x] [Citation(s) in RCA: 75] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
A well-known reaction of carbonyl compounds with phenylhydrazine has been applied to saccharides, providing increased sensitivity for mass spectrometric (MS) and ultraviolet (UV) detection during high-performance liquid chromatographic (HPLC) separations. After a simple derivatization procedure for 1 h at 70 degrees C and purification of the reaction mixture from excess reagent by extraction, the sugar derivatives were characterized by direct injection or on-line HPLC/electrospray ionization (ESI) and by matrix-assisted laser desorption/ionization (MALDI) MS. Because no salts are used or produced upon reaction, this procedure is very simple and suitable for the tagging of saccharides. The reaction allows for on-target derivatization and products are very stable. The derivatization procedure has been applied to commercially-obtained small saccharides and standard N-linked oligosaccharides. Lastly, hen ovalbumin N-glycans were detached enzymatically and characterized by MALDI-MS as their phenylhydrazone derivatives.
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Affiliation(s)
- Erika Lattova
- Chemistry Department, University of Manitoba, 144 Dysart Road, Manitoba, Winnipeg, Canada R3T 2N2
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49
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Gennaro LA, Harvey DJ, Vouros P. Reversed-phase ion-pairing liquid chromatography/ion trap mass spectrometry for the analysis of negatively charged, derivatized glycans. RAPID COMMUNICATIONS IN MASS SPECTROMETRY : RCM 2003; 17:1528-1534. [PMID: 12845576 DOI: 10.1002/rcm.1079] [Citation(s) in RCA: 32] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/24/2023]
Abstract
The significant complexity, similar polarity and lack of ionizable sites make the analysis of glycans an analytical challenge. These compounds are often derivatized and separated by normal-phase high-performance liquid chromatography (HPLC) or capillary electrophoresis (CE) followed by UV or fluorescence detection. Due to widespread use of reversed-phase chromatography coupled to electrospray mass spectrometry as an analytical tool, our laboratory has developed this methodology for the analysis of glycans derivatized with a negatively charged tag, 8-aminonaphthalene-1,3,6-trisulfonic acid (ANTS). It is possible to exploit the ability of this negatively charged tag to interact with a mobile phase ion-pairing reagent, allowing retention on a reversed-phase C(18) column for subsequent on-line UV or MS analysis. ANTS-derivatized samples, including a maltooligosaccharide ladder and glycans released from bovine ribonuclease B, bovine fetuin, and chicken ovalbumin, were analyzed using this method. In addition to reversed-phase retention, ribonuclease B and ovalbumin derivatives displayed highly desirable isomeric separation. With the use of mass spectrometric detection for glycan identity, this allowed relative quantitation of individual components.
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Affiliation(s)
- Lynn A Gennaro
- Department of Chemistry and Barnett Institute, Northeastern University, 360 Huntington Avenue, Boston, MA 02115, USA
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50
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Gennaro LA, Delaney J, Vouros P, Harvey DJ, Domon B. Capillary electrophoresis/electrospray ion trap mass spectrometry for the analysis of negatively charged derivatized and underivatized glycans. RAPID COMMUNICATIONS IN MASS SPECTROMETRY : RCM 2002; 16:192-200. [PMID: 11803540 DOI: 10.1002/rcm.564] [Citation(s) in RCA: 49] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
Abstract
The increasing interest in the development of glycoproteins for therapeutic purposes has created a greater demand for methods to characterize the sugar moieties bound to them. Traditionally, released carbohydrates are derivatized using such methods as permethylation or fluorescent tagging prior to analysis by high performance liquid chromatography (HPLC), capillary electrophoresis (CE), or direct infusion mass spectrometry. However, little research has been performed using CE with on-line mass spectrometry (MS) detection. The CE separation of neutral oligosaccharides requires the covalent attachment of a charged species for electrophoretic migration. Among charged labels which have shown promise in assisting CE and HPLC separation is the fluorophore 8-aminonaphthalene-1,3,6-trisulfonic acid (ANTS). This report describes the qualitative profiling of charged ANTS-derivatized and underivatized complex glycans by CE with on-line electrospray ion trap mass spectrometry. Several neutral standard glycans including a maltooligosaccharide ladder were derivatized with ANTS and subjected to CE/UV and CE/MS using low pH buffers consisting of citric and 6-aminocaproic acid salts. The ANTS-derivatized species were detected as negative ions, and multiple stage MS analysis provided valuable structural information. Fragment ions were easily identified, showing promise for the identification of unknowns. N-Linked glycans released from bovine fetuin were used to demonstrate the applicability of ANTS derivatization followed by CE/MS for the analysis of negatively charged glycans. Analyses were performed on both underivatized and ANTS-derivatized species, and sialylated glycans were separated and detected in both forms. The ability of the ion trap mass spectrometer to perform multiple stage analysis was exploited, with MS5 information obtained on selected glycans. This technique presents a complementary method to existing methodologies for the profiling of glycan mixtures.
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Affiliation(s)
- Lynn A Gennaro
- Department of Chemistry and Barnett Institute, Northeastern University, Boston, MA 02115, USA
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