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Hanamatsu H, Yokota I, Kurogochi M, Akasaka-Manya K, Miura N, Manya H, Endo T, Nishikaze T, Furukawa JI, Tanaka K. Direct derivatization of sialic acids and mild β-elimination for linkage-specific sialyl O-glycan analysis. Anal Chim Acta 2024; 1318:342945. [PMID: 39067924 DOI: 10.1016/j.aca.2024.342945] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2024] [Revised: 07/03/2024] [Accepted: 07/04/2024] [Indexed: 07/30/2024]
Abstract
BACKGROUND In sharp contrast with analysis of N-glycan that can be prepared by PNGase F, O-glycan analysis remains challenging due to a lack of versatile and simple procedures, especially those mediating cleavage of O-glycans from proteins. Most N-glycans and O-glycans are modified with sialic acids at the non-reducing end and their glycosidic linkages are labile, making it difficult to measure glycans by mass spectrometric analysis. In addition, sialic acid residues present on glycan chains via α2,3-, α2,6-, and α2,8-linkages as structural isomers. RESULTS In this study, we firstly established a direct and linkage-specific derivatization method for sialylated O-glycans on proteins via linkage-specific lactone-opening aminolysis. In this procedure, labile sialylated glycans were not only stabilized, but also allowed distinguishing between sialyl linkages. Furthermore, we revealed that general reductive β-elimination was not useful for O-glycan cleavages with undesirable degradations of resulting methyl amides. Using β-elimination in the presence of pyrazolone (PMP), with low pH despite alkali base concentration, SALSA-derivatized O-glycans could be cleaved with minimal degradations. Cleaved and PMP-labeled O-glycans could be efficiently prepared in an open reaction system at high temperature (evaporative BEP reaction) and detected by simple liquid-phase extraction. Moreover, in the evaporative BEP reaction by changing the alkali solution with LiOH, the lithiated O-glycans could be observed and provided a lot of fragment information reflecting the complex structure of the O-glycans. SIGNIFICANCE Direct sialic acid linkage-specific derivatization of O-glycans on glycoproteins is simple protocol containing in-solution aminolysis-SALSA and acetonitrile precipitation for removal of excess reagents. Evaporative β-elimination with pyrazolone makes possible intact O-linked glycan analysis just by liquid-phase extraction. These analytical methods established by the appropriate combination of direct-SALSA and evaporative β-elimination will facilitate O-glycomic studies in various biological samples.
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Affiliation(s)
- Hisatoshi Hanamatsu
- Institute for Glyco-core Research (iGCORE), Nagoya University, Nagoya, 464-8601, Japan
| | - Ikuko Yokota
- Institute for Glyco-core Research (iGCORE), Nagoya University, Nagoya, 464-8601, Japan
| | - Masaki Kurogochi
- Institute for Glyco-core Research (iGCORE), Nagoya University, Nagoya, 464-8601, Japan; Laboratory of Glyco-Organic Chemistry, The Noguchi Institute, Tokyo, 173-0003, Japan
| | - Keiko Akasaka-Manya
- Molecular Glycobiology, Research Team for Mechanism of Aging, Tokyo Metropolitan Institute for Geriatrics and Gerontology, Tokyo, 173-0015, Japan
| | - Nobuaki Miura
- Institute for Glyco-core Research (iGCORE), Nagoya University, Nagoya, 464-8601, Japan
| | - Hiroshi Manya
- Molecular Glycobiology, Research Team for Mechanism of Aging, Tokyo Metropolitan Institute for Geriatrics and Gerontology, Tokyo, 173-0015, Japan
| | - Tamao Endo
- Molecular Glycobiology, Research Team for Mechanism of Aging, Tokyo Metropolitan Institute for Geriatrics and Gerontology, Tokyo, 173-0015, Japan
| | - Takashi Nishikaze
- Solutions COE, Analytical & Measuring Instruments Division, Shimadzu Corporation, Kyoto, 604-8511, Japan.
| | - Jun-Ichi Furukawa
- Institute for Glyco-core Research (iGCORE), Nagoya University, Nagoya, 464-8601, Japan; Department of Orthopaedic Surgery, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, 060-8638, Japan.
| | - Koichi Tanaka
- Koichi Tanaka Mass Spectrometry Research Laboratory, Shimadzu Corporation, Kyoto, 604-8511, Japan
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Hanamatsu H, Miura Y, Nishikaze T, Yokota I, Homan K, Onodera T, Hayakawa Y, Iwasaki N, Furukawa JI. Simultaneous and sialic acid linkage-specific N- and O-linked glycan analysis by ester-to-amide derivatization. Glycoconj J 2023; 40:259-267. [PMID: 36877384 DOI: 10.1007/s10719-023-10109-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2022] [Revised: 02/14/2023] [Accepted: 02/21/2023] [Indexed: 03/07/2023]
Abstract
Characterization of O-glycans linked to serine or threonine residues in glycoproteins has mostly been achieved using chemical reaction approaches because there are no known O-glycan-specific endoglycosidases. Most O-glycans are modified with sialic acid residues at the non-reducing termini through various linkages. In this study, we developed a novel approach for sialic acid linkage-specific O-linked glycan analysis through lactone-driven ester-to-amide derivatization combined with non-reductive β-elimination in the presence of hydroxylamine. O-glycans released by non-reductive β-elimination were efficiently purified using glycoblotting via chemoselective ligation between carbohydrates and a hydrazide-functionalized polymer, followed by modification of methyl or ethyl ester groups of sialic acid residues on solid-phase. In-solution lactone-driven ester-to-amide derivatization of ethyl-esterified O-glycans was performed, and the resulting sialylated glycan isomers were discriminated by mass spectrometry. In combination with PNGase F digestion, we carried out simultaneous, quantitative, and sialic acid linkage-specific N- and O-linked glycan analyses of a model glycoprotein and human cartilage tissue. This novel glycomic approach will facilitate detailed characterization of biologically relevant sialylated N- and O-glycans on glycoproteins.
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Affiliation(s)
- Hisatoshi Hanamatsu
- Department of Orthopaedic Surgery, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Kita 15, Nishi 7, Kita-ku, Hokkaido, 060-8638, Sapporo, Japan.
- Department of Gastroenterology and Hepatology, Graduate School of Medicine, Hokkaido University, Sapporo, Hokkaido, 060-8638, Japan.
| | - Yoshiaki Miura
- Sumitomo Bakelite Co., Ltd., 5-8, Tennoz Parkside Building, Higashi-Shinagawa 2-chome, Shinagawa-ku, 140-0002, Tokyo, Japan
| | - Takashi Nishikaze
- Solutions COE, Analytical & Measuring Instruments Division, Shimadzu Corporation, 604-8511, Kyoto, Japan
| | - Ikuko Yokota
- Institute for Glyco-core Research (iGCORE), Nagoya University, 464-8601, Nagoya, Japan
| | - Kentaro Homan
- Department of Orthopaedic Surgery, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Kita 15, Nishi 7, Kita-ku, Hokkaido, 060-8638, Sapporo, Japan
| | - Tomohiro Onodera
- Department of Orthopaedic Surgery, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Kita 15, Nishi 7, Kita-ku, Hokkaido, 060-8638, Sapporo, Japan
| | - Yoshihiro Hayakawa
- Solutions COE, Analytical & Measuring Instruments Division, Shimadzu Corporation, 604-8511, Kyoto, Japan
| | - Norimasa Iwasaki
- Department of Orthopaedic Surgery, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Kita 15, Nishi 7, Kita-ku, Hokkaido, 060-8638, Sapporo, Japan
| | - Jun-Ichi Furukawa
- Department of Orthopaedic Surgery, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Kita 15, Nishi 7, Kita-ku, Hokkaido, 060-8638, Sapporo, Japan.
- Institute for Glyco-core Research (iGCORE), Nagoya University, 464-8601, Nagoya, Japan.
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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: 37] [Impact Index Per Article: 37.0] [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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Hanamatsu H, Nishikaze T, Furukawa JI. Comprehensive Glycan Analysis of Sphingolipids in Human Serum/Plasma. Methods Mol Biol 2023; 2613:289-299. [PMID: 36587086 DOI: 10.1007/978-1-0716-2910-9_21] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
Glycosphingolipids (GSLs) are glycolipids with ceramide and carbohydrate head groups that play an important role in numerous biological processes. Previously, we performed GSL-glycan analysis of various cell lines and virus-infected cells using a glycoblotting approach. Recently, we developed several methods for sialic acid linkage-specific chemical modification to distinguish sialylated glycan isomers by mass spectrometry. In this chapter, we describe a method for analyzing GSL-glycans in human serum/plasma using glycoblotting combined with aminolysis-SALSA (sialic acid linkage-specific alkylamidation) and lactone-driven ester-to-amide derivatization (LEAD)-SALSA for comprehensive and detailed structural glycomics.
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Affiliation(s)
- Hisatoshi Hanamatsu
- Department of Advanced Clinical Glycobiology, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Hokkaido, Japan.
| | | | - Jun-Ichi Furukawa
- Institute for Glyco-core Research (iGCORE), Nagoya University, Nagoya, Aichi, Japan
- Department of Orthopaedic Surgery, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Hokkaido, Japan
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Harvey DJ. Analysis of carbohydrates and glycoconjugates by matrix-assisted laser desorption/ionization mass spectrometry: An update for 2019-2020. MASS SPECTROMETRY REVIEWS 2022:e21806. [PMID: 36468275 DOI: 10.1002/mas.21806] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
This review is the tenth update of the original article published in 1999 on the application of matrix-assisted laser desorption/ionization (MALDI) mass spectrometry to the analysis of carbohydrates and glycoconjugates and brings coverage of the literature to the end of 2020. Also included are papers that describe methods appropriate to analysis by MALDI, such as sample preparation techniques, even though the ionization method is not MALDI. The review is basically divided into three sections: (1) general aspects such as theory of the MALDI process, matrices, derivatization, MALDI imaging, fragmentation, quantification and the use of arrays. (2) Applications to various structural types such as oligo- and polysaccharides, glycoproteins, glycolipids, glycosides and biopharmaceuticals, and (3) other areas such as medicine, industrial processes and glycan synthesis where MALDI is extensively used. Much of the material relating to applications is presented in tabular form. The reported work shows increasing use of incorporation of new techniques such as ion mobility and the enormous impact that MALDI imaging is having. MALDI, although invented nearly 40 years ago is still an ideal technique for carbohydrate analysis and advancements in the technique and range of applications show little sign of diminishing.
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Affiliation(s)
- David J Harvey
- Nuffield Department of Medicine, Target Discovery Institute, University of Oxford, Oxford, UK
- Department of Chemistry, University of Oxford, Oxford, Oxfordshire, United Kingdom
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Jezková P, Skřičková J, Wimmer G, Zelinková J, Zdráhal Z, Lattová E. Differentiation of Sialyl Linkages Using a Combination of Alkyl Esterification and Phenylhydrazine Derivatization: Application for N-Glycan Profiling in the Sera of Patients with Lung Cancer. Anal Chem 2022; 94:6736-6744. [PMID: 35471013 DOI: 10.1021/acs.analchem.2c00105] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Alterations in oligosaccharides and types of sialic acid (SA) attachments have been associated with different pathological states. Matrix-assisted laser desorption mass spectrometry (MS) is commonly used for glycosylation studies. However, native sialylated glycans are suppressed or not detected during MS experiments. Consequently, different approaches have been employed to neutralize the negative charge of the carboxyl group. In this study, we present the advantage of phenylhydrazine (PHN) labeling for the detection and efficient discrimination of SA linkages when this derivatization follows alkyl esterification. As expected, PHN-labeled sialylated oligosaccharides with the 2,6-linkage type can be easily recognized according to the additional shift in mass corresponding to the presence of a methyl or ethyl group. Surprisingly, oligosaccharides with the 2,3-linked SA residue instead of a lactone were detected carrying the second PHN unit. This was beneficial as no further processing after esterification was needed to stabilize the lactone form. Moreover, during tandem mass experiments, all modified glycans produced favorable fragmentation patterns with a coherent recognition of SA linkages. Although both types of esterification, herein called the EST-PHN approach, provided comparable results, methylation exhibited marginally higher linkage specificity than ethyl esterification. The simplicity and effectiveness of the methodology are demonstrated on the model compound, sialyllactose, and its applicability for biological studies is presented on N-glycan profiling in the sera of lung cancer patients.
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Affiliation(s)
- Petra Jezková
- Central European Institute for Technology, Masaryk University, 625 00 Brno, Czech Republic.,National Centre for Biomolecular Research, Faculty of Science, Masaryk University, 625 00 Brno, Czech Republic
| | - Jana Skřičková
- Department of Respiratory Diseases and TB, University Hospital, 625 00 Brno, Czech Republic
| | - Gejza Wimmer
- Institute of Measurement Science, Slovak Academy of Sciences, 841 04 Bratislava, Slovak Republic
| | - Jana Zelinková
- Central European Institute for Technology, Masaryk University, 625 00 Brno, Czech Republic
| | - Zbyněk Zdráhal
- Central European Institute for Technology, Masaryk University, 625 00 Brno, Czech Republic.,National Centre for Biomolecular Research, Faculty of Science, Masaryk University, 625 00 Brno, Czech Republic
| | - Erika Lattová
- Central European Institute for Technology, Masaryk University, 625 00 Brno, Czech Republic
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Li Y, Peng Y, Lu H. Advances in Analysis of Linkage Isomers of Sialylated N-Glycans by Mass Spectrometry. ACTA CHIMICA SINICA 2021. [DOI: 10.6023/a21020048] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
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Akasaka-Manya K, Manya H. The Role of APP O-Glycosylation in Alzheimer's Disease. Biomolecules 2020; 10:biom10111569. [PMID: 33218200 PMCID: PMC7699271 DOI: 10.3390/biom10111569] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2020] [Revised: 11/16/2020] [Accepted: 11/16/2020] [Indexed: 12/13/2022] Open
Abstract
The number of people with dementia is increasing rapidly due to the increase in the aging population. Alzheimer’s disease (AD) is a type of neurodegenerative dementia caused by the accumulation of abnormal proteins. Genetic mutations, smoking, and several other factors have been reported as causes of AD, but alterations in glycans have recently been demonstrated to play a role in AD. Amyloid-β (Aβ), a cleaved fragment of APP, is the source of senile plaque, a pathological feature of AD. APP has been reported to undergo N- and O-glycosylation, and several Polypeptide N-acetylgalactosaminyltransferases (ppGalNAc-Ts) have been shown to have catalytic activity for the transfer of GalNAc to APP. Since O-glycosylation in the proximity of a cleavage site in many proteins has been reported to be involved in protein processing, O-glycans may affect the cleavage of APP during the Aβ production process. In this report, we describe new findings on the O-glycosylation of APP and Aβ production.
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