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Harvey DJ. Analysis of carbohydrates and glycoconjugates by matrix-assisted laser desorption/ionization mass spectrometry: An update for 2017-2018. MASS SPECTROMETRY REVIEWS 2023; 42:227-431. [PMID: 34719822 DOI: 10.1002/mas.21721] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/14/2021] [Revised: 07/26/2021] [Accepted: 07/26/2021] [Indexed: 06/13/2023]
Abstract
This review is the tenth update of the original article published in 1999 on the application of matrix-assisted laser desorption/ionization mass spectrometry (MALDI) mass spectrometry to the analysis of carbohydrates and glycoconjugates and brings coverage of the literature to the end of 2018. Also included are papers that describe methods appropriate to glycan and glycoprotein analysis by MALDI, such as sample preparation techniques, even though the ionization method is not MALDI. Topics covered in the first part of the review include general aspects such as theory of the MALDI process, new methods, matrices, derivatization, MALDI imaging, fragmentation and the use of arrays. The second part of the review is devoted to applications to various structural types such as oligo- and poly-saccharides, glycoproteins, glycolipids, glycosides, and biopharmaceuticals. Most of the applications are presented in tabular form. The third part of the review covers medical and industrial applications of the technique, studies of enzyme reactions, and applications to chemical synthesis. The reported work shows increasing use of combined new techniques such as ion mobility and highlights the impact that MALDI imaging is having across a range of diciplines. MALDI is still an ideal technique for carbohydrate analysis and advancements in the technique and the range of applications continue steady progress.
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Affiliation(s)
- David J Harvey
- Nuffield Department of Medicine, Target Discovery Institute, University of Oxford, Oxford, UK
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Li S, Wei Y, Wang Y, Liang H. Advances in hydrophilic metal-organic frameworks for N-linked glycopeptide enrichment. Front Chem 2022; 10:1091243. [PMID: 36531319 PMCID: PMC9751774 DOI: 10.3389/fchem.2022.1091243] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2022] [Accepted: 11/21/2022] [Indexed: 02/06/2024] Open
Abstract
The comprehensive profiling of glycoproteins is of great significance for the timely clinical diagnosis and therapy. However, inherent obstacles hamper their direct analysis from biological samples, and specific enrichment prior to analysis is indispensable. Among the various approaches for glycopeptide enrichment, hydrophilic interaction liquid chromatography (HILIC) has attracted special focus, especially for the development of novel hydrophilic materials, which is the key of HILIC. Metal-organic frameworks (MOFs) are a type of porous materials constructed from the self-assembly of metal and organic linkers. Advantages such as high surface area, flexible pore size, and easy modification render hydrophilic MOFs as ideal candidates for HILIC, which has inspired many studies over the past years. In this review, advances in hydrophilic MOFs for N-linked glycopeptide enrichment are summarized. According to the synthesis strategies, those materials are categorized into three classes, namely pristine MOFs, MOFs with chemical modifications, and MOFs-derived composite. In each categorization, the preparation and the function of different moieties are covered, as well as the enrichment performances of sensitivity, selectivity, and practical application. Finally, a summary and future perspective on the applications of hydrophilic MOFs for N-linked glycopeptide enrichment are briefly discussed. This review is expected to raise awareness of the properties of hydrophilic MOFs and offer some valuable information to further research in glycoproteomics.
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Affiliation(s)
| | | | | | - Haoran Liang
- Chongqing Key Laboratory of Medicinal Chemistry and Molecular Pharmacology, Chongqing University of Technology, Chongqing, China
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Liu T, Liu R, Zhu L, Zou X, Guan H, Xu Z. Development of a UHPLC-MS method for inhibitor screening against α-L-1,3-fucosidase. Anal Bioanal Chem 2019; 411:1467-1477. [PMID: 30706074 DOI: 10.1007/s00216-019-01575-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2018] [Revised: 12/27/2018] [Accepted: 01/04/2019] [Indexed: 10/27/2022]
Abstract
α-L-Fucosidase (AFU) is a promising therapeutic target for the treatment of inflammation, cancer, cystic fibrosis, and fucosidosis. Some of the existing analytical methods for the assessment of AFU activity are lacking in sensitivity and selectivity, since most of them are based on spectrofluorimetric methods. More recently, mass spectrometry (MS) has evolved as a key technology for enzyme assays and inhibitor screening as it enables accurate monitoring of the conversion of substrate to product in enzymatic reactions. In this study, UHPLC-MS has been utilized to develop a simple, sensitive, and accurate assay for enzyme kinetics and inhibition studies of AFU3, a member of the AFU family. A reported method for analyzing saccharide involving a porous graphitic carbon column, combined with reduction by NaBH4/CH3OH, was used to improve sensitivity. The conversion of saccharide into alditol could reach nearly 100% in the NaBH4 reduction reaction. In addition, the bioanalytical quantitative screening method was validated according to US-FDA guidance, including selectivity, linearity, precision, accuracy, stability, and matrix effect. The developed method displayed a good accuracy, high sensitivity (LOD = 0.05 mg L-1), and good reproducibility (RSD < 15%). The assay accurately measured an IC50 value of 0.40 μM for the known AFU inhibitor, deoxyfuconojirimycin, which was consistent with results reported in the literature. Further validation of the assay was achieved through the determination of a high Z'-factor value of 0.89. The assay was applied to screen a marine-derived chemical library against AFU3, which revealed two marine-oriented pyrimidine alkaloids as potential AFU3 inhibitors. Graphical abstract.
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Affiliation(s)
- Tangrong Liu
- Key Laboratory of Marine Drugs, Chinese Ministry of Education, Shandong Provincial Key Laboratory of Glycoscience and Glycoengineering, School of Medicine and Pharmacy, Ocean University of China, Qingdao, 266003, Shandong, China.,Laboratory for Marine Drugs and Bioproducts, Innovation Center for Marine Drugs Screening and Evaluation, Qingdao National Laboratory for Marine Science and Technology, Qingdao, 266237, Shandong, China
| | - Ruonan Liu
- Key Laboratory of Marine Drugs, Chinese Ministry of Education, Shandong Provincial Key Laboratory of Glycoscience and Glycoengineering, School of Medicine and Pharmacy, Ocean University of China, Qingdao, 266003, Shandong, China.,Laboratory for Marine Drugs and Bioproducts, Innovation Center for Marine Drugs Screening and Evaluation, Qingdao National Laboratory for Marine Science and Technology, Qingdao, 266237, Shandong, China
| | - Li Zhu
- Key Laboratory of Marine Drugs, Chinese Ministry of Education, Shandong Provincial Key Laboratory of Glycoscience and Glycoengineering, School of Medicine and Pharmacy, Ocean University of China, Qingdao, 266003, Shandong, China.,Laboratory for Marine Drugs and Bioproducts, Innovation Center for Marine Drugs Screening and Evaluation, Qingdao National Laboratory for Marine Science and Technology, Qingdao, 266237, Shandong, China
| | - Xuan Zou
- Key Laboratory of Marine Drugs, Chinese Ministry of Education, Shandong Provincial Key Laboratory of Glycoscience and Glycoengineering, School of Medicine and Pharmacy, Ocean University of China, Qingdao, 266003, Shandong, China.,Laboratory for Marine Drugs and Bioproducts, Innovation Center for Marine Drugs Screening and Evaluation, Qingdao National Laboratory for Marine Science and Technology, Qingdao, 266237, Shandong, China
| | - Huashi Guan
- Key Laboratory of Marine Drugs, Chinese Ministry of Education, Shandong Provincial Key Laboratory of Glycoscience and Glycoengineering, School of Medicine and Pharmacy, Ocean University of China, Qingdao, 266003, Shandong, China.,Laboratory for Marine Drugs and Bioproducts, Innovation Center for Marine Drugs Screening and Evaluation, Qingdao National Laboratory for Marine Science and Technology, Qingdao, 266237, Shandong, China.,Marine Biomedical Research Institute of Qingdao, Qingdao, 266071, Shandong, China
| | - Zhe Xu
- Key Laboratory of Marine Drugs, Chinese Ministry of Education, Shandong Provincial Key Laboratory of Glycoscience and Glycoengineering, School of Medicine and Pharmacy, Ocean University of China, Qingdao, 266003, Shandong, China. .,Laboratory for Marine Drugs and Bioproducts, Innovation Center for Marine Drugs Screening and Evaluation, Qingdao National Laboratory for Marine Science and Technology, Qingdao, 266237, Shandong, China. .,Marine Biomedical Research Institute of Qingdao, Qingdao, 266071, Shandong, China.
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