1
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Ali I, Ali MM, Liu Q, Hu L. Unraveling Clinical Glycoproteome by Integrating Affinity Enrichment with Nanopore Sequencing. Chembiochem 2024; 25:e202400419. [PMID: 39234982 DOI: 10.1002/cbic.202400419] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2024] [Revised: 06/28/2024] [Indexed: 09/06/2024]
Abstract
This prospect explores the integration of enrichment strategies with nanopore detection to advance clinical glycoproteomics. Glycoproteins, crucial for understanding biological processes, pose challenges due to their low abundance and structural diversity. Enrichment techniques using lectin affinity, boronate affinity, and hydrazide chemistry and especially molecular imprinted polymers may selectively and specifically isolate glycoproteins from complex samples, while nanopore technology enables label-free, real-time, and single-molecule analysis. This approach holds promise for disease-related glycosylation studies, biomarker discovery, personalized medicine, and streamlined clinical analysis. Standardization, optimization, and data analysis remain challenges, requiring interdisciplinary collaborations and technological advancements. Overall, this integration may offer transformative potential for clinical glycoproteomics and innovative diagnostic and therapeutic strategies.
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Affiliation(s)
- Irshad Ali
- State Key Laboratory of Digital Medical Engineering, Southeast University, Nanjing, China
| | - Muhammad Mujahid Ali
- State Key Laboratory of Digital Medical Engineering, Southeast University, Nanjing, China
- Center for Supramolecular Chemical Biology, State Key Laboratory of Supramolecular Structure and Materials, School of Life Sciences, Jilin University, Changchun, 130012, China
- Department of Biochemistry, Purdue University, West Lafayette, IN 47906, US
| | - Quanjun Liu
- State Key Laboratory of Digital Medical Engineering, Southeast University, Nanjing, China
| | - Lianghai Hu
- Center for Supramolecular Chemical Biology, State Key Laboratory of Supramolecular Structure and Materials, School of Life Sciences, Jilin University, Changchun, 130012, China
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2
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Liao J, Wang H, Zhou S, Feng H, Liu Y, Zhao X, Pan Y. 2-Nitro-4-Carboxyphenylhydrazine and 2,4-Dicarboxylphenylhydrazine as a Pair of Novel Reactive MALDI Matrices for Rapid and Accurate Profiling of N-Glycome in Dual Ion Modes. Anal Chem 2024; 96:16145-16153. [PMID: 39361878 DOI: 10.1021/acs.analchem.4c02555] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/05/2024]
Abstract
N-glycosylation is closely linked to a wide range of biological functions in organisms. Owing to the constriction of awful crystals formed by conventional MALDI matrices and the extremely inferior ionization efficiency of N-glycans, the traditional direct detection of N-glycans by matrix-assisted laser desorption/ionization mass spectrometry (MALDI-MS) has been gradually replaced by postderivatization detection using reactive matrices. Nevertheless, the laborious identification of complex spectral peaks remains the major difficulty in N-glycan profiling. Hence, we logically designed and synthesized two novel reactive matrices, 2-nitro-4-carboxylphenylhydrazine (NCPH) and 2,4-dicarboxylphenylhydrazine (DCPH), and separately combined them with the acidic matrix 2,5-dihydroxybenzoic acid (DHB) to constitute two composite matrices with high on-target derivatization efficiency and significant promotion of N-glycan ionization for productive MALDI analysis in dual ion modes. Using both composite matrices, we can actualize MALDI-MS and MS2 mass calibration in dual ion modes by postderivatization detection and fragmentation of dextrans and selectively enhance the ionization effect of oligosaccharides in mixed systems. Quite homogeneous cocrystals can ensure N-glycan quantification with decent linearity and reproducibility. A fixed mass difference derived from the identical N-glycan in two ion modes is available for rapid identification in complex biological samples. Ultimately, the developed strategy was triumphantly employed to identify and quantify the relative content and alteration tendency of peach N-glycans, which can be referable to the latent correlation between N-glycan expression and peach ripening.
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Affiliation(s)
- Jiancong Liao
- Department of Chemistry, Zhejiang University, Hangzhou, Zhejiang 310058, People's Republic of China
| | - Huiwen Wang
- Analysis Center of Agrobiology and Environmental Sciences, Zhejiang University, Hangzhou, Zhejiang 310058, People's Republic of China
| | - Shiwen Zhou
- Department of Chemistry, Zhejiang University, Hangzhou, Zhejiang 310058, People's Republic of China
| | - Hongru Feng
- Department of Chemistry, Zhejiang University, Hangzhou, Zhejiang 310058, People's Republic of China
| | - Yaqin Liu
- Department of Chemistry, Zhejiang University, Hangzhou, Zhejiang 310058, People's Republic of China
| | - Xiaoyong Zhao
- College of Agriculture and Biotechnology, Zhejiang University, Hangzhou, Zhejiang 310058, People's Republic of China
| | - Yuanjiang Pan
- Department of Chemistry, Zhejiang University, Hangzhou, Zhejiang 310058, People's Republic of China
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3
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Zhang Q, Lasanajak Y, Song X. Oxidative Release of Natural Glycans: Unraveling the Mechanism for Rapid N-Glycan Glycomics Analysis. Anal Chem 2024. [PMID: 39387489 DOI: 10.1021/acs.analchem.4c03246] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/15/2024]
Abstract
N-glycosylation is a critical post-translational modification involved in various biosynthetic pathways and disease mechanisms. In this study, we present an optimized oxidative release of natural glycans (ORNG) method using household bleach that enables the rapid and efficient release of N-glycans from biological samples. We thoroughly investigated the ORNG mechanism, identifying key intermediates and side products and providing valuable insights into the oxidative release process. The method is highly efficient, releasing a wide range of N-glycans, including high-mannose, hybrid, and complex structures, with minimal sample processing. Our ORNG-based specific N-glycan profiling approach has demonstrated high sensitivity and efficiency, particularly in releasing N-glycans resistant to enzymatic digestion, such as core α3-fucosylated N-glycans from soy protein. Validation through mass spectrometry confirmed the method's ability to accurately profile N-glycans from complex biological samples, including human serum, with results comparable to traditional PNGase F digestion. The ORNG-based method's scalability, versatility, and use of low-cost reagents make it especially suited for large-scale glycomics studies. Furthermore, the mass spectrometry data revealed that the ORNG-based method achieves high sensitivity and specificity, positioning it as a robust alternative for comprehensive glycan profiling and functional studies. Our findings highlight ORNG's potential to advance N-glycomics, offering promising improvements in speed, efficiency, and breadth of glycan analysis.
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Affiliation(s)
- Qing Zhang
- Department of Biochemistry, Emory University School of Medicine, Atlanta, Georgia 30322, United States
| | - Yi Lasanajak
- Emory Glycomics and Molecular Interactions Core, Emory University School of Medicine, Atlanta, Georgia 30322, United States
| | - Xuezheng Song
- Department of Biochemistry, Emory University School of Medicine, Atlanta, Georgia 30322, United States
- Emory Glycomics and Molecular Interactions Core, Emory University School of Medicine, Atlanta, Georgia 30322, United States
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4
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Guan Y, Zhao S, Fu C, Zhang J, Yang F, Luo J, Dai L, Li X, Schlüter H, Wang J, Xu C. nQuant Enables Precise Quantitative N-Glycomics. Anal Chem 2024; 96:15531-15539. [PMID: 39302767 DOI: 10.1021/acs.analchem.4c01153] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/22/2024]
Abstract
N-glycosylation is a highly heterogeneous post-translational modification that modulates protein function. Defects in N-glycosylation are directly linked to various human diseases. Despite the importance of quantifying N-glycans with high precision, existing glycoinformatics tools are limited. Here, we developed nQuant, a glycoinformatics tool that enables label-free and isotopic labeling quantification of N-glycomics data obtained via LC-MS/MS, ensuring a low false quantitation rate. Using the label-free quantification module, we profiled the N-glycans released from purified glycoproteins and HEK293 cells as well as the dynamic changes of N-glycosylation during mouse corpus callosum development. Through the isotopic labeling quantification module, we revealed the dynamic changes of N-glycans in acute promyelocytic leukemia cells after all-trans retinoic acid treatment. Taken together, we demonstrate that nQuant enables fast and precise quantitative N-glycomics.
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Affiliation(s)
- Yudong Guan
- Department of Critical Care Medicine, Guangdong Provincial Clinical Research Center for Geriatrics, Shenzhen Clinical Research Center for Geriatrics, Shenzhen People's Hospital, The First Affiliated Hospital, Southern University of Science and Technology, Shenzhen, Guangdong 518020, China
| | - Shanshan Zhao
- Section Mass Spectrometry and Proteomics, Center for Diagnostics, University Medical Center Hamburg-Eppendorf, Hamburg 20246, Germany
| | - Chunjin Fu
- State Key Laboratory for Quality Ensurance and Sustainable Use of Dao-di Herbs, Artemisinin Research Center, Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing 100700, China
| | - Junzhe Zhang
- State Key Laboratory for Quality Ensurance and Sustainable Use of Dao-di Herbs, Artemisinin Research Center, Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing 100700, China
| | - Fan Yang
- Translational Neurodegeneration Section "Albrecht-Kossel", Department of Neurology, University Medical Center Rostock, Rostock 18147, Germany
| | - Jiankai Luo
- Translational Neurodegeneration Section "Albrecht-Kossel", Department of Neurology, University Medical Center Rostock, Rostock 18147, Germany
| | - Lingyun Dai
- Department of Critical Care Medicine, Guangdong Provincial Clinical Research Center for Geriatrics, Shenzhen Clinical Research Center for Geriatrics, Shenzhen People's Hospital, The First Affiliated Hospital, Southern University of Science and Technology, Shenzhen, Guangdong 518020, China
| | - Xihai Li
- College of Integrative Medicine, Laboratory of Pathophysiology, Key Laboratory of Integrative Medicine on Chronic Diseases, Fujian University of Traditional Chinese Medicine, Fuzhou, Fujian 350122, China
| | - Hartmut Schlüter
- Section Mass Spectrometry and Proteomics, Center for Diagnostics, University Medical Center Hamburg-Eppendorf, Hamburg 20246, Germany
| | - Jigang Wang
- Department of Critical Care Medicine, Guangdong Provincial Clinical Research Center for Geriatrics, Shenzhen Clinical Research Center for Geriatrics, Shenzhen People's Hospital, The First Affiliated Hospital, Southern University of Science and Technology, Shenzhen, Guangdong 518020, China
- State Key Laboratory for Quality Ensurance and Sustainable Use of Dao-di Herbs, Artemisinin Research Center, Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing 100700, China
- State Key Laboratory of Antiviral Drugs, School of Pharmacy, Henan University, Kaifeng, Henan 475004, China
| | - Chengchao Xu
- Department of Critical Care Medicine, Guangdong Provincial Clinical Research Center for Geriatrics, Shenzhen Clinical Research Center for Geriatrics, Shenzhen People's Hospital, The First Affiliated Hospital, Southern University of Science and Technology, Shenzhen, Guangdong 518020, China
- State Key Laboratory for Quality Ensurance and Sustainable Use of Dao-di Herbs, Artemisinin Research Center, Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing 100700, China
- College of Integrative Medicine, Laboratory of Pathophysiology, Key Laboratory of Integrative Medicine on Chronic Diseases, Fujian University of Traditional Chinese Medicine, Fuzhou, Fujian 350122, China
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5
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Pham TT, Kim JY, Tuomivaara ST, Lee YI, Kim S, Wells L, Lim JM. Triplex glycan quantification by metabolic labeling with isotopically labeled glucose in yeast. Anal Chim Acta 2024; 1288:342114. [PMID: 38220268 DOI: 10.1016/j.aca.2023.342114] [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: 09/25/2023] [Accepted: 12/04/2023] [Indexed: 01/16/2024]
Abstract
Mass spectrometry-based approaches encompass a powerful collection of tools for the analysis biological molecules, including glycans and glycoconjugates. Unlike most traditional bioanalytical methods focusing on these molecules, mass spectrometry is especially suited for multiplexing, by utilizing stable-isotope labeling. Indeed, stable isotope-based multiplexing can be regarded as the gold-standard approach in reducing noise and uncertainty in quantitative mass spectrometry and quantitative analyses generally. The increasing sophistication and depth of biological questions being asked continue to challenge the practitioners of mass spectrometry method development. To understand the biological relevance of glycans, many stable isotope labeling-based mass spectrometry methods have been developed. Based on the duplex MILPIG (metabolic isotope labeling of polysaccharides with isotopic glucose), we establish here a novel triplex isotope labeling method using baker's yeast as the model system. Two differentially isotope-labeled glucoses (medium: 1-13C1 and heavy: 1,2-13C2), in addition to natural abundance glucose (light), were successfully used to label each monosaccharide ring in N-linked glycans in three different cell culture conditions, that, after sample mixing, resulted in a predictable triplet spectrum amenable for relative quantitation. We demonstrate excellent accuracy and precision of relative quantitation for a 1:1:1 mixture of glycans labeled in such a fashion. In addition, we applied triplex MILPIG to interrogate differential N-glycan profiles in tunicamycin-treated and control yeast cells and show that different N-glycans respond differently to tunicamycin.
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Affiliation(s)
- Thao Thi Pham
- Department of Chemistry, Changwon National University, Changwon, 51140, Republic of Korea
| | - Ji-Yeon Kim
- Department of Chemistry, Changwon National University, Changwon, 51140, Republic of Korea
| | - Sami T Tuomivaara
- Department of Obstetrics, Gynecology & Reproductive Sciences, University of California San Francisco, San Francisco, CA, 94143, USA
| | - Yong-Ill Lee
- Department of Pharmaceutical Sciences, Pharmaceutical Technical University, Tashkent 100084, The Republic of Uzbekistan
| | - Seonghun Kim
- Jeonbuk Branch Institute, Korea Research Institute of Bioscience and Biotechnology, Jeongeup 56212, Republic of Korea
| | - Lance Wells
- Complex Carbohydrate Research Center, Department of Biochemistry and Molecular Biology, and Department of Chemistry, University of Georgia, Athens, Georgia, 30602, USA
| | - Jae-Min Lim
- Department of Chemistry, Changwon National University, Changwon, 51140, Republic of Korea.
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6
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Liao J, Wang H, Zhou S, Liu Y, Zhao X, Pan Y. α-Cyano-3-aminocinnamic acid: A novel reactive matrix for qualitative and quantitative analysis of plant N-glycans by MALDI-MS. Anal Chim Acta 2023; 1283:341970. [PMID: 37977803 DOI: 10.1016/j.aca.2023.341970] [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: 07/04/2023] [Revised: 10/12/2023] [Accepted: 10/26/2023] [Indexed: 11/19/2023]
Abstract
N-glycans have a diversity of crucial biological roles in organisms. Matrix-assisted laser desorption/ionization mass spectrometry (MALDI-MS) has become an indispensable analytical instrument for biomolecules. However, due to the inherent low abundance, high structural heterogeneity, and poor ionization efficiency of N-glycans, as well as the extremely inhomogeneous co-crystal property using traditional matrices, the qualitation and quantitation of N-glycans by MALDI-MS remains challenging. In the present study, α-cyano-3-aminocinnamic acid (3-CACA) was reasonably designed and synthesized as a novel reactive matrix for N-glycan analysis. Combining with traditional matrix α-cyano-4-hydroxycinnamic acid (CHCA) as an acidic catalyst, a combinational matrix 3-CACA/CHCA was obtained with homogeneous co-crystallization and high derivatization efficiency, achieving the sensitive qualitation with the limits of detection low to femtomole and reproducible quantitation with good linearity (R2 > 0.998). As a result, the established method was successfully applied to the on-target derivatization and high-throughput quantification of N-glycans in eight varieties of the peach complex system, indicating that N-glycan has the potential to become a new biomarker for food allergy, and elucidating the prospective correlation between N-glycan epitopes and allergic reactions.
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Affiliation(s)
- Jiancong Liao
- Department of Chemistry, Zhejiang University, Hangzhou, Zhejiang, 310058, PR China
| | - Huiwen Wang
- Department of Chemistry, Zhejiang University, Hangzhou, Zhejiang, 310058, PR China
| | - Shiwen Zhou
- Department of Chemistry, Zhejiang University, Hangzhou, Zhejiang, 310058, PR China
| | - Yaqin Liu
- Department of Chemistry, Zhejiang University, Hangzhou, Zhejiang, 310058, PR China
| | - Xiaoyong Zhao
- College of Agriculture and Biotechnology, Zhejiang University, Hangzhou, Zhejiang, 310058, PR China.
| | - Yuanjiang Pan
- Department of Chemistry, Zhejiang University, Hangzhou, Zhejiang, 310058, PR China.
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7
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Wang D, Xiao H, Lv X, Chen H, Wei F. Mass Spectrometry Based on Chemical Derivatization Has Brought Novel Discoveries to Lipidomics: A Comprehensive Review. Crit Rev Anal Chem 2023:1-32. [PMID: 37782560 DOI: 10.1080/10408347.2023.2261130] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/04/2023]
Abstract
Lipids, as one of the most important organic compounds in organisms, are important components of cells and participate in energy storage and signal transduction of living organisms. As a rapidly rising field, lipidomics research involves the identification and quantification of multiple classes of lipid molecules, as well as the structure, function, dynamics, and interactions of lipids in living organisms. Due to its inherent high selectivity and high sensitivity, mass spectrometry (MS) is the "gold standard" analysis technique for small molecules in biological samples. The combination chemical derivatization with MS detection is a unique strategy that could improve MS ionization efficiency, facilitate structure identification and quantitative analysis. Herein, this review discusses derivatization-based MS strategies for lipidomic analysis over the past decade and focuses on all the reported lipid categories, including fatty acids and modified fatty acids, glycerolipids, glycerophospholipids, sterols and saccharolipids. The functional groups of lipids mainly involved in chemical derivatization include the C=C group, carboxyl group, hydroxyl group, amino group, carbonyl group. Furthermore, representative applications of these derivatization-based lipid profiling methods were summarized. Finally, challenges and countermeasures of lipid derivatization are mentioned and highlighted to guide future studies of derivatization-based MS strategy in lipidomics.
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Affiliation(s)
- Dan Wang
- Oil Crops Research Institute of Chinese Academy of Agricultural Sciences, Key Laboratory of Oilseeds Processing of Ministry of Agriculture, Hubei Key Laboratory of Lipid Chemistry and Nutrition, Wuhan, Hubei, PR China
| | - Huaming Xiao
- Oil Crops Research Institute of Chinese Academy of Agricultural Sciences, Key Laboratory of Oilseeds Processing of Ministry of Agriculture, Hubei Key Laboratory of Lipid Chemistry and Nutrition, Wuhan, Hubei, PR China
| | - Xin Lv
- Oil Crops Research Institute of Chinese Academy of Agricultural Sciences, Key Laboratory of Oilseeds Processing of Ministry of Agriculture, Hubei Key Laboratory of Lipid Chemistry and Nutrition, Wuhan, Hubei, PR China
| | - Hong Chen
- Oil Crops Research Institute of Chinese Academy of Agricultural Sciences, Key Laboratory of Oilseeds Processing of Ministry of Agriculture, Hubei Key Laboratory of Lipid Chemistry and Nutrition, Wuhan, Hubei, PR China
| | - Fang Wei
- Oil Crops Research Institute of Chinese Academy of Agricultural Sciences, Key Laboratory of Oilseeds Processing of Ministry of Agriculture, Hubei Key Laboratory of Lipid Chemistry and Nutrition, Wuhan, Hubei, PR China
- Hubei Hongshan Laboratory, Wuhan, Hubei, PR China
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8
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Williamson DL, Nagy G. Coupling Isotopic Shifts with Collision Cross-Section Measurements for Carbohydrate Characterization in High-Resolution Ion Mobility Separations. Anal Chem 2023; 95:13992-14000. [PMID: 37683280 PMCID: PMC10538943 DOI: 10.1021/acs.analchem.3c02619] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/10/2023]
Abstract
Herein, we introduce a two-dimensional strategy to better characterize carbohydrate isomers. In a single experiment, we can derive cyclic ion mobility-mass spectrometry (cIMS-MS)-based collision cross-section (CCS) values in conjunction with measuring isotopic shifts through the relative arrival times of light and heavy isotopologues. These isotopic shifts were introduced by permethylating carbohydrates with either light, CH3, or heavy, CD3, labels at every available hydroxyl group to generate a light/heavy pair of isotopologues for every individual species analyzed. We observed that our calculated CCS values, which were exclusively measured for the light isotopologues, were orthogonal to our measured isotopic shifts (i.e., relative arrival time values between heavy and light permethylated isotopologues). Our permethylation-induced isotopic shifts scaled well with increasing molecular weight, up to ∼m/z 1300, expanding the analysis of isotopic shifts to molecules 3-4 times as large as those previously studied. Our presented use of coupling CCS values with the measurement of isotopic shifts in a single cIMS-MS experiment is a proof-of-concept demonstration that our two-dimensional approach can improve the characterization of challenging isomeric carbohydrates. We envision that our presented 2D approach will have broad utility for varying molecular classes as well as being amenable to many forms of derivatization.
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Affiliation(s)
- David L Williamson
- Department of Chemistry, University of Utah, 315 South 1400 East, Room 2020, Salt Lake City, Utah 84112, United States
| | - Gabe Nagy
- Department of Chemistry, University of Utah, 315 South 1400 East, Room 2020, Salt Lake City, Utah 84112, United States
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9
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Xu M, Yang A, Xia J, Jiang J, Liu CF, Ye Z, Ma J, Yang S. Protein glycosylation in urine as a biomarker of diseases. Transl Res 2023; 253:95-107. [PMID: 35952983 DOI: 10.1016/j.trsl.2022.08.001] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/19/2022] [Revised: 07/28/2022] [Accepted: 08/02/2022] [Indexed: 02/01/2023]
Abstract
Human body fluids have become an indispensable resource for clinical research, diagnosis and prognosis. Urine is widely used to discover disease-specific glycoprotein biomarkers because of its recurrently non-invasive collection and disease-indicating properties. While urine is an unstable fluid in that its composition changes with ingested nutrients and further as it is excreted through micturition, urinary proteins are more stable and their abnormal glycosylation is associated with diseases. It is known that aberrant glycosylation can define tumor malignancy and indicate disease initiation and progression. However, a thorough and translational survey of urinary glycosylation in diseases has not been performed. In this article, we evaluate the clinical applications of urine, introduce methods for urine glycosylation analysis, and discuss urine glycoprotein biomarkers. We emphasize the importance of mining urinary glycoproteins and searching for disease-specific glycosylation in various diseases (including cancer, neurodegenerative diseases, diabetes, and viral infections). With advances in mass spectrometry-based glycomics/glycoproteomics/glycopeptidomics, characterization of disease-specific glycosylation will optimistically lead to the discovery of disease-related urinary biomarkers with better sensitivity and specificity in the near future.
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Affiliation(s)
- Mingming Xu
- Center for Clinical Mass Spectrometry, College of Pharmaceutical Sciences, Soochow University, Suzhou, Jiangsu, China
| | - Arthur Yang
- Center for Clinical Mass Spectrometry, College of Pharmaceutical Sciences, Soochow University, Suzhou, Jiangsu, China
| | - Jun Xia
- Clinical Laboratory Center, Zhejiang Provincial People's Hospital, Hangzhou, Zhejiang, China
| | - Junhong Jiang
- Department of Pulmonary and Critical Care Medicine, Dushu Lake Hospital of Soochow University, Suzhou, Jiangsu, China
| | - Chun-Feng Liu
- Department of Neurology and Clinical Research Center of Neurological Disease, The Second Affiliated Hospital of Soochow University, Suzhou, China
| | - Zhenyu Ye
- Department of General Surgery, Second Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China
| | - Junfeng Ma
- Department of Oncology, Lombardi Comprehensive Cancer Center, Georgetown University Medical Center, Georgetown University, Washington, District of Columbia.
| | - Shuang Yang
- Center for Clinical Mass Spectrometry, College of Pharmaceutical Sciences, Soochow University, Suzhou, Jiangsu, China.
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10
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Patabandige MW, Pfeifer LD, Nguyen HT, Desaire H. Quantitative clinical glycomics strategies: A guide for selecting the best analysis approach. MASS SPECTROMETRY REVIEWS 2022; 41:901-921. [PMID: 33565652 PMCID: PMC8601598 DOI: 10.1002/mas.21688] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/09/2020] [Revised: 12/13/2020] [Accepted: 01/24/2021] [Indexed: 05/05/2023]
Abstract
Glycans introduce complexity to the proteins to which they are attached. These modifications vary during the progression of many diseases; thus, they serve as potential biomarkers for disease diagnosis and prognosis. The immense structural diversity of glycans makes glycosylation analysis and quantitation difficult. Fortunately, recent advances in analytical techniques provide the opportunity to quantify even low-abundant glycopeptides and glycans derived from complex biological mixtures, allowing for the identification of glycosylation differences between healthy samples and those derived from disease states. Understanding the strengths and weaknesses of different quantitative glycomics analysis methods is important for selecting the best strategy to analyze glycosylation changes in any given set of clinical samples. To provide guidance towards selecting the proper approach, we discuss four widely used quantitative glycomics analysis platforms, including fluorescence-based analysis of released N-linked glycans and three different varieties of MS-based analysis: liquid chromatography (LC)-mass spectrometry (MS) analysis of glycopeptides, matrix-assisted laser desorption ionization-time of flight MS, and LC-ESI-MS analysis of released N-linked glycans. These methods' strengths and weaknesses are compared, particularly associated with the figures of merit that are important for clinical biomarker studies, including: the initial sample requirements, the methods' throughput, sample preparation time, the number of species identified, the methods' utility for isomer separation and structural characterization, method-related challenges associated with quantitation, repeatability, the expertise required, and the cost for each analysis. This review, therefore, provides unique guidance to researchers who endeavor to undertake a clinical glycomics analysis by offering insights on the available analysis technologies.
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Affiliation(s)
- Milani Wijeweera Patabandige
- Ralph N. Adams Institute for Bioanalytical Chemistry, Department of Chemistry, University of Kansas, Lawrence, KS 66047, United States
| | - Leah D. Pfeifer
- Ralph N. Adams Institute for Bioanalytical Chemistry, Department of Chemistry, University of Kansas, Lawrence, KS 66047, United States
| | - Hanna T. Nguyen
- Ralph N. Adams Institute for Bioanalytical Chemistry, Department of Chemistry, University of Kansas, Lawrence, KS 66047, United States
| | - Heather Desaire
- Ralph N. Adams Institute for Bioanalytical Chemistry, Department of Chemistry, University of Kansas, Lawrence, KS 66047, United States
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11
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Kim J, Yin D, Lee J, An HJ, Kim TY. Deuterium Oxide Labeling for Global Omics Relative Quantification (DOLGOReQ): Application to Glycomics. Anal Chem 2021; 93:14497-14505. [PMID: 34724788 DOI: 10.1021/acs.analchem.1c03157] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
A new relative quantification strategy for glycomics, named deuterium oxide (D2O) labeling for global omics relative quantification (DOLGOReQ), has been developed based on the partial metabolic D2O labeling, which induces a subtle change in the isotopic distribution of glycan ions. The relative abundance of unlabeled to D-labeled glycans was extracted from the overlapped isotopic envelope obtained from a mixture containing equal amounts of unlabeled and D-labeled glycans. The glycan quantification accuracy of DOLGOReQ was examined with mixtures of unlabeled and D-labeled HeLa glycans combined in varying ratios according to the number of cells present in the samples. The relative quantification of the glycans mixed in an equimolar ratio revealed that 92.4 and 97.8% of the DOLGOReQ results were within a 1.5- and 2-fold range of the predicted mixing ratio, respectively. Furthermore, the dynamic quantification range of DOLGOReQ was investigated with unlabeled and D-labeled HeLa glycans mixed in different ratios from 20:1 to 1:20. A good correlation (Pearson's r > 0.90) between the expected and measured quantification ratios over 2 orders of magnitude was observed for 87% of the quantified glycans. DOLGOReQ was also applied in the measurement of quantitative HeLa cell glycan changes that occur under normoxic and hypoxic conditions. Given that metabolic D2O labeling can incorporate D into all types of glycans, DOLGOReQ has the potential as a universal quantification platform for large-scale comparative glycomic experiments.
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Affiliation(s)
- Jonghyun Kim
- School of Earth Sciences and Environmental Engineering, Gwangju Institute of Science and Technology, Gwangju 61005, South Korea
| | - Dongtan Yin
- Asia-Pacific Glycomics Reference Site, Chungnam National University, Daejeon 34134, South Korea.,Graduate School of Analytical & Science Technology, Chungnam National University, Daejeon 34134, South Korea
| | - Jua Lee
- Asia-Pacific Glycomics Reference Site, Chungnam National University, Daejeon 34134, South Korea.,Graduate School of Analytical & Science Technology, Chungnam National University, Daejeon 34134, South Korea
| | - Hyun Joo An
- Asia-Pacific Glycomics Reference Site, Chungnam National University, Daejeon 34134, South Korea.,Graduate School of Analytical & Science Technology, Chungnam National University, Daejeon 34134, South Korea
| | - Tae-Young Kim
- School of Earth Sciences and Environmental Engineering, Gwangju Institute of Science and Technology, Gwangju 61005, South Korea
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12
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Yun J, Jo JY, Tuomivaara ST, Lim JM. Isotope labeling strategies of glycans for mass spectrometry-based quantitative glycomics. Microchem J 2021. [DOI: 10.1016/j.microc.2021.106655] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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13
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Flexible and hierarchical metal-organic framework composite as solid-phase media for facile affinity-tip fabrication to selectively enrich glycopeptides and phosphopeptides. Talanta 2021; 233:122576. [PMID: 34215068 DOI: 10.1016/j.talanta.2021.122576] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2021] [Revised: 05/28/2021] [Accepted: 05/29/2021] [Indexed: 01/19/2023]
Abstract
Micro-tip-based solid-phase microextraction is considered as one of the green and powerful analytical sample preparation techniques, but its efficiency is severely hampered by some basic issues such as tedious fabrication, instability of sorbent bed, and blocking of the tip, especially for biological samples due to low permeability. These issues are tackled by introducing a flexible and hierarchical substrate in the microtip, having good mechanical strength and specific functionality to capture the desired biomolecules. Considering the well-ordered and flexible structure of melamine foam, it was used as a substrate and for hydrophilic interaction chromatography (HILIC). Metal-organic framework, due to its excellent characteristics, was grafted on its surface anchored by self-assembling polydopamine. The resulting material was characterized and packed in the tip by just pressing the material in the conical structure of the tip. This affinity tip established good and tunable permeability and was used to selectively enrich glycopeptides as well as phosphopeptides. The affinity tip demonstrated excellent performance to enrich glycopeptides and phosphopeptides with a low limit of detection up to 0.5 fmol μL-1 from tryptic digests of horseradish peroxidase and β-Casein, respectively, and was stable up to 5 rounds of enrichment. Moreover, this affinity-tip also exhibited high selectivity up to up to 1:1000 (HRP digest to BSA digest) for glycopeptides and 1:200 (β-Casein digest to BSA digest) for phosphopeptides and demonstrated several other fascinating characteristics such as; excellent size exclusion effect for the omission of large-sized proteins, modest backpressure, reproducibility, reusability, smooth enrichment, and successfully applied to a human saliva sample.
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14
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Kim JY, Joo WH, Shin DS, Lee YI, Teo CF, Lim JM. Metabolic labeling of glycans with isotopic glucose for quantitative glycomics in yeast. Anal Biochem 2021; 621:114152. [PMID: 33726981 DOI: 10.1016/j.ab.2021.114152] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2020] [Revised: 02/23/2021] [Accepted: 03/02/2021] [Indexed: 12/29/2022]
Abstract
Changes in glycan levels could directly affect the biochemical properties of glycoproteins and thus influence their physiological functions. In order to decode the correlation of glycan prevalence with their physiological contribution, many mass spectrometry (MS) and stable isotope labeling-based methods have been developed for the relative quantification of glycans. In this study, we expand the quantitative glycomic toolbox with the addition of optimized Metabolic Isotope Labeling of Polysaccharides with Isotopic Glucose (MILPIG) approach in baker's yeast (Saccharomyces cerevisiae). We demonstrate that culturing baker's yeast in the presence of carbon-13 labeled glucose (1-13C1) leads to effective incorporation of carbon-13 to both N-linked and O-linked glycans. We established that metabolic incorporation of isotope-labeled glucose at a concentration of 5 mg/mL for three days is required for an accurate quantitative analysis with optimal isotopic cluster distribution of glycans. To validate the robustness of the method, we performed the analysis by 1:1 mixing of normal and isotope-labeled glycans, and obtained excellent linear calibration curves from various analytes. Finally, we quantitated the inhibitory effect of tunicamycin, a N-linked glycosylation inhibitor, to glycan expression profile in yeast.
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Affiliation(s)
- Ji-Yeon Kim
- Department of Chemistry, Changwon National University, Changwon, 51140, Republic of Korea
| | - Woo Hong Joo
- Department of Biology, Changwon National University, Changwon, 51140, Republic of Korea
| | - Dong-Soo Shin
- Department of Chemistry, Changwon National University, Changwon, 51140, Republic of Korea
| | - Yong-Ill Lee
- Department of Chemistry, Changwon National University, Changwon, 51140, Republic of Korea
| | - Chin Fen Teo
- Departments of Physiology, Biochemistry and Biophysics, University of California, San Francisco, San Francisco, CA 94158, USA; Howard Hughes Medical Institute, University of California, San Francisco, San Francisco, CA, 94158, USA
| | - Jae-Min Lim
- Department of Chemistry, Changwon National University, Changwon, 51140, Republic of Korea.
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15
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Kalmar JG, Garrard KP, Muddiman DC. GlycoHunter: An Open-Source Software for the Detection and Relative Quantification of INLIGHT-Labeled N-Linked Glycans. J Proteome Res 2021; 20:1855-1863. [PMID: 33417767 DOI: 10.1021/acs.jproteome.0c00840] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
Glycans are responsible for many biological activities; however, their structures are incredibly diverse and complex, often rendering the field of glycomics unsolvable by a single analytical technique. The development of multiple chemical derivatization strategies and bioinformatic software is responsible for some of the greatest analytical gains in the field of glycomics. The INLIGHT strategy is a chemical derivatization technique using hydrazide chemistry to derivatize the reducing end of N-linked glycans and incorporates either a natural (NAT, 12C6) or a stable-isotope label (SIL, 13C6) to carry out relative quantification. Here we present GlycoHunter, a user-friendly software created in MATLAB that enables researchers to accurately and efficiently process MS1 glycomics data where a NAT and SIL pair is generated for relative quantification, including but not limited to, INLIGHT. GlycoHunter accepts the commonly used data file formats imzML and mzXML and effectively identifies all peak pairs associated with NAT- and SIL-labeled N-linked glycans using MS1 data. It also includes the ability to tailor the search parameters and export the results for further analysis using Skyline or Excel.
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16
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Jeong S, Lim J. Isotope Labeling of
N
‐linked Glycans by Transglycosylation of
Endo‐M
and Isotopic Glucose for Quantitative Glycomics. B KOREAN CHEM SOC 2020. [DOI: 10.1002/bkcs.12120] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
- Su‐Hee Jeong
- Department of Chemistry Changwon National University Gyeongnam 51140 South Korea
| | - Jae‐Min Lim
- Department of Chemistry Changwon National University Gyeongnam 51140 South Korea
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17
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Barrientos RC, Zhang Q. Recent advances in the mass spectrometric analysis of glycosphingolipidome - A review. Anal Chim Acta 2020; 1132:134-155. [PMID: 32980104 PMCID: PMC7525043 DOI: 10.1016/j.aca.2020.05.051] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2020] [Revised: 05/17/2020] [Accepted: 05/21/2020] [Indexed: 12/30/2022]
Abstract
Aberrant expression of glycosphingolipids has been implicated in a myriad of diseases, but our understanding of the strucural diversity, spatial distribution, and biological function of this class of biomolecules remains limited. These challenges partly stem from a lack of sensitive tools that can detect, identify, and quantify glycosphingolipids at the molecular level. Mass spectrometry has emerged as a powerful tool poised to address most of these challenges. Here, we review the recent developments in analytical glycosphingolipidomics with an emphasis on sample preparation, mass spectrometry and tandem mass spectrometry-based structural characterization, label-free and labeling-based quantification. We also discuss the nomenclature of glycosphingolipids, and emerging technologies like ion mobility spectrometry in differentiation of glycosphingolipid isomers. The intrinsic advantages and shortcomings of each method are carefully critiqued in line with an individual's research goals. Finally, future perspectives on analytical sphingolipidomics are stated, including a need for novel and more sensive methods in isomer separation, low abundance species detection, and profiling the spatial distribution of glycosphingolipid molecular species in cells and tissues using imaging mass spectrometry.
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Affiliation(s)
- Rodell C Barrientos
- Department of Chemistry and Biochemistry, The University of North Carolina at Greensboro, Greensboro, NC, 27412, United States; UNCG Center for Translational Biomedical Research, NC Research Campus, Kannapolis, NC, 28081, United States
| | - Qibin Zhang
- Department of Chemistry and Biochemistry, The University of North Carolina at Greensboro, Greensboro, NC, 27412, United States; UNCG Center for Translational Biomedical Research, NC Research Campus, Kannapolis, NC, 28081, United States.
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18
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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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19
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Dong X, Peng W, Yu CY, Zhou S, Donohoo KB, Tang H, Mechref Y. 8-plex LC-MS/MS Analysis of Permethylated N-Glycans Achieved by Using Stable Isotopic Iodomethane. Anal Chem 2019; 91:11794-11802. [PMID: 31356052 PMCID: PMC7412976 DOI: 10.1021/acs.analchem.9b02411] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Abstract
Glycosylation is an important post-translational modification of proteins. Many diseases, such as cancer, have proved to be related to aberrant glycosylation. High throughput quantitative methods have gained attention recently in the study of glycomics. With the development of high-resolution mass spectrometry, the sensitivity of detection in glycomics has largely improved; however, most of the commonly used MS-based techniques are focused on relative quantitative analysis, which can hardly provide direct comparative glycomic quantitation results. In this study, we developed a novel multiplex glycomic analysis method on an LC-ESI-MS platform. Reduced glycans were stable isotopic labeled during the permethylation procedure, with the use of iodomethane reagents CH2DI, CHD2I, CD3I, 13CH3I, 13CH2DI, 13CHD2I, 13CD3I, and CH3I. Up to 8-plex glycomic profiling was possible in a single analysis by LC-MS, and a 100 k mass resolution was sufficient to allow a baseline resolution of the mass differences among the 8-plex labeled glycans. The major advantages of this method are that it overcomes quantitative fluctuations caused by nanoESI, it facilitates a level of comparative quantitative glycomic analysis that accurately reflects the quantitative information in samples, and it dramatically shortens analysis time. Quantitation validation was tested on glycans released from bovine fetuin and model glycoprotein mixtures (RNase B, bovine fetuin, and IgG) with good linearity (R2 = 0.9884) and a dynamic range from 0.1 to 10. The 8-plex strategy was successfully applied to a comparative glycomic study of cancer cell lines. The results demonstrate that different distributions of sialylated glycans are related to the metastatic properties of cell lines and provide important clues for a better understanding of breast cancer brain metastasis.
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Affiliation(s)
- Xue Dong
- Department of Chemistry & Biochemistry, Texas Tech University, Lubbock, Texas, 79409, United States
| | - Wenjing Peng
- Department of Chemistry & Biochemistry, Texas Tech University, Lubbock, Texas, 79409, United States
| | - Chuan-Yih Yu
- School of Informatics & Computing, Indiana University, Bloomington, Indiana, 47408, United States
| | - Shiyue Zhou
- Department of Chemistry & Biochemistry, Texas Tech University, Lubbock, Texas, 79409, United States
| | - Kaitlyn B. Donohoo
- Department of Chemistry & Biochemistry, Texas Tech University, Lubbock, Texas, 79409, United States
| | - Haixu Tang
- School of Informatics & Computing, Indiana University, Bloomington, Indiana, 47408, United States
| | - Yehia Mechref
- Department of Chemistry & Biochemistry, Texas Tech University, Lubbock, Texas, 79409, United States
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20
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Li Q, Xie Y, Wong M, Lebrilla CB. Characterization of Cell Glycocalyx with Mass Spectrometry Methods. Cells 2019; 8:E882. [PMID: 31412618 PMCID: PMC6721671 DOI: 10.3390/cells8080882] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2019] [Revised: 08/05/2019] [Accepted: 08/12/2019] [Indexed: 02/06/2023] Open
Abstract
The cell membrane plays an important role in protecting the cell from its extracellular environment. As such, extensive work has been devoted to studying its structure and function. Crucial intercellular processes, such as signal transduction and immune protection, are mediated by cell surface glycosylation, which is comprised of large biomolecules, including glycoproteins and glycosphingolipids. Because perturbations in glycosylation could result in dysfunction of cells and are related to diseases, the analysis of surface glycosylation is critical for understanding pathogenic mechanisms and can further lead to biomarker discovery. Different mass spectrometry-based techniques have been developed for glycan analysis, ranging from highly specific, targeted approaches to more comprehensive profiling studies. In this review, we summarized the work conducted for extensive analysis of cell membrane glycosylation, particularly those employing liquid chromatography with mass spectrometry (LC-MS) in combination with various sample preparation techniques.
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Affiliation(s)
- Qiongyu Li
- Department of Chemistry, University of California, Davis, CA 95616, USA
| | - Yixuan Xie
- Department of Chemistry, University of California, Davis, CA 95616, USA
| | - Maurice Wong
- Department of Chemistry, University of California, Davis, CA 95616, USA
| | - Carlito B Lebrilla
- Department of Chemistry, University of California, Davis, CA 95616, USA.
- Department of Biochemistry, University of California, Davis, CA 95616, USA.
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21
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Barrientos RC, Zhang Q. Differential Isotope Labeling by Permethylation and Reversed-Phase Liquid Chromatography-Mass Spectrometry for Relative Quantification of Intact Neutral Glycolipids in Mammalian Cells. Anal Chem 2019; 91:9673-9681. [PMID: 31322861 DOI: 10.1021/acs.analchem.9b01206] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Probing the role of glycolipids in health and disease warrants development of practical strategies to determine these molecules at the intact structural level, namely to simultaneously characterize and quantify the glycan and lipid moieties without breaking the linkage between them. Herein we present such an approach utilizing differential isotope labeling and reversed phase liquid chromatography-tandem mass spectrometry (RPLC-MS/MS) for structural characterization and relative quantification of intact neutral glycolipids. In this approach, each individual sample and a pooled aliquot of each sample were permethylated using 12CH3I and 13CH3I, respectively, with the latter one serving as internal reference standard. The individual 12C-permethylated samples were spiked with equal amounts of the 13C-permethylated pooled sample and analyzed by RPLC-MS/MS. Permethylation not only increased the ionization efficiency of glycolipids but also facilitated structural characterization of both moieties. The ratio of the peak areas between the 12C- and 13C-labeled glycolipids served as surrogate measure of their relative concentrations. The coefficient of variation of the method was <6% measured across four representative glycolipids in five different ratios and triplicate experiments, after correction of natural isotopic distribution. When analyzing the low abundant glycolipids in total lipid extract, permethylation can dramatically reduce the analytical background by depleting most of the highly abundant ester-linked lipids. Application to conduritol B epoxide-, a β-glucocerebrosidase inhibitor, treated RAW 264.7 cells demonstrated the practical utility of this method in profiling the temporal accumulation of different glycolipids. Overall, this methodology offers a practical LC-MS based identification and quantification strategy to advance intact glycolipids analysis in mammalian cells.
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Affiliation(s)
- Rodell C Barrientos
- Department of Chemistry and Biochemistry , The University of North Carolina , Greensboro , North Carolina 27412 , United States.,UNCG Center for Translational Biomedical Research , NC Research Campus , Kannapolis , North Carolina 28081 , United States
| | - Qibin Zhang
- Department of Chemistry and Biochemistry , The University of North Carolina , Greensboro , North Carolina 27412 , United States.,UNCG Center for Translational Biomedical Research , NC Research Campus , Kannapolis , North Carolina 28081 , United States
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22
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Providing Bionic Glycome as internal standards by glycan reducing and isotope labeling for reliable and simple quantitation of N-glycome based on MALDI- MS. Anal Chim Acta 2019; 1081:112-119. [PMID: 31446948 DOI: 10.1016/j.aca.2019.07.003] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2019] [Revised: 06/14/2019] [Accepted: 07/01/2019] [Indexed: 11/22/2022]
Abstract
Accurate, simple and economical methods for quantifying N-glycans are continuously required for discovering disease biomarkers and quality control of biopharmaceuticals. Quantitative N-glycomics based on MS using exogenous isotopic labeling internal standards is promising as it is simple and accurate. However, it is largely hampered by the lack of available glycan internal standard libraries with good coverage of the natural glycan structural heterogeneity as well as broad dynamic mass and ion abundance range. To overcome this limitation, we developed a novel method, providing 'Bionic Glycome' as internal standards for glycan quantitation by MALDI-MS. Bionic Glycome was produced using N-glycome from pooled samples to be analyzed as substrate by one step of glycan reducing and isotope labeling (Glycan-RAIL). Each bionic glycan has 3 Da mass increment over its corresponding glycan analyte based on hemiacetals/alditols and H/D mass difference. In addition, Bionic Glycome has the same glycome composition and similar glycome profile in abundance with N-glycome to be analyzed from biological sample. Through the investigation of single glycan standard and complex glycans released from model glycoprotein and serum, the results demonstrate that the method has good quantitative accuracy and high reproducibility. Lastly, this method was successfully used for discovery of lung cancer specific glycan markers by comparing the serum glycans from each sample in lung cancer group (n = 16) and healthy controls (n = 16), indicating its potential in clinical applications.
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23
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Barbosa EA, Fontes NDC, Santos SCL, Lefeber DJ, Bloch C, Brum JM, Brand GD. Relative quantification of plasma N-glycans in type II congenital disorder of glycosylation patients by mass spectrometry. Clin Chim Acta 2019; 492:102-113. [PMID: 30776362 DOI: 10.1016/j.cca.2019.02.013] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2018] [Revised: 02/12/2019] [Accepted: 02/13/2019] [Indexed: 01/06/2023]
Abstract
BACKGROUND Type II Congenital Disorders of Glycosylation (CDG-II) are a group of diseases with challenging diagnostics characterized by defects in the processing of glycans in the Golgi apparatus. Mass Spectrometry (MS) has been a valuable tool in the definition of CDG-II subtypes. While some CDG-II subtypes are associated with specific N-glycan structures, others only produce changes in relative levels, reinforcing the demand for quantification methods. METHODS Plasma samples from control individuals were pooled, derivatized with deuterated iodomethane (I-CD3), and used as internal standards for controls and patients whose glycans were derivatized with iodomethane (I-CH3), followed by MALDI MS, LC-MS and -MS/MS analyses. RESULTS Total N-glycans from fifteen CDG-II patients were evaluated, and 4 cases with molecular diagnosis were considered in detail: 2ATP6V0A2-CDG siblings, and 2 MAN1B1-CDG patients, one of them carrying a previously undescribed p.Gly536Val mutation. CONCLUSIONS Our methodology offers a feasible alternative to the current methods for CDG-II diagnosis by MS, which quantify glycan structures as fractions of the total summed signal across a mass spectrum, a strategy that lowers the variability of minor components. Moreover, given its sensitivity for less concentrated yet biologically relevant structures, it might assist the uncovering of novel diagnostic glycans in other CDG-II subtypes.
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Affiliation(s)
- E A Barbosa
- Laboratório de Síntese e Análise de Biomoléculas - LSAB, Instituto de Química - IQ, Universidade de Brasília - UnB, Brasília, DF, Brazil; Laboratório de Espectrometria de Massa - LEM, Embrapa Recursos Genéticos e Biotecnologia, Brasília, DF, Brazil
| | - N do C Fontes
- Laboratório de Genética Bioquímica, Rede Sarah de Hospitais de Reabilitação, Brasília, DF, Brazil
| | - S C L Santos
- Laboratório de Biologia Molecular, Rede Sarah de Hospitais de Reabilitação, Brasília, DF, Brazil
| | - D J Lefeber
- Department of Neurology, Translational Metabolic Laboratory, Donders Center for Brain, Cognition, and Behavior, Radboud University Medical Center, Nijmegen, the Netherlands
| | - C Bloch
- Laboratório de Espectrometria de Massa - LEM, Embrapa Recursos Genéticos e Biotecnologia, Brasília, DF, Brazil
| | - J M Brum
- Laboratório de Genética Bioquímica, Rede Sarah de Hospitais de Reabilitação, Brasília, DF, Brazil
| | - G D Brand
- Laboratório de Síntese e Análise de Biomoléculas - LSAB, Instituto de Química - IQ, Universidade de Brasília - UnB, Brasília, DF, Brazil.
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24
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Nan L, Li J, Jin W, Wei M, Tang M, Wang C, Gong G, Huang L, Zhang Y, Wang Z. Comprehensive quali-quantitative profiling of neutral and sialylated O-glycome by mass spectrometry based on oligosaccharide metabolic engineering and isotopic labeling. RSC Adv 2019; 9:15694-15702. [PMID: 35521403 PMCID: PMC9064288 DOI: 10.1039/c9ra01114e] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2019] [Accepted: 05/11/2019] [Indexed: 01/26/2023] Open
Abstract
An isotopic precursor based metabolic amplification and labeling (IPMAL) strategy using the Ac3GalNAc-α-Bn precursor to simultaneously quantify neutral and sialylated O-glycans.
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25
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Reiding KR, Bondt A, Hennig R, Gardner RA, O'Flaherty R, Trbojević-Akmačić I, Shubhakar A, Hazes JMW, Reichl U, Fernandes DL, Pučić-Baković M, Rapp E, Spencer DIR, Dolhain RJEM, Rudd PM, Lauc G, Wuhrer M. High-throughput Serum N-Glycomics: Method Comparison and Application to Study Rheumatoid Arthritis and Pregnancy-associated Changes. Mol Cell Proteomics 2019; 18:3-15. [PMID: 30242110 PMCID: PMC6317482 DOI: 10.1074/mcp.ra117.000454] [Citation(s) in RCA: 61] [Impact Index Per Article: 12.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2017] [Revised: 05/14/2018] [Indexed: 11/06/2022] Open
Abstract
N-Glycosylation is a fundamentally important protein modification with a major impact on glycoprotein characteristics such as serum half-life and receptor interaction. More than half of the proteins in human serum are glycosylated, and the relative abundances of protein glycoforms often reflect alterations in health and disease. Several analytical methods are currently capable of analyzing the total serum N-glycosylation in a high-throughput manner.Here we evaluate and compare the performance of three high-throughput released N-glycome analysis methods. Included were hydrophilic-interaction ultra-high-performance liquid chromatography with fluorescence detection (HILIC-UHPLC-FLD) with 2-aminobenzamide labeling of the glycans, multiplexed capillary gel electrophoresis with laser-induced fluorescence detection (xCGE-LIF) with 8-aminopyrene-1,3,6-trisulfonic acid labeling, and matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOF-MS) with linkage-specific sialic acid esterification. All methods assessed the same panel of serum samples, which were obtained at multiple time points during the pregnancies and postpartum periods of healthy women and patients with rheumatoid arthritis (RA). We compared the analytical methods on their technical performance as well as on their ability to describe serum protein N-glycosylation changes throughout pregnancy, with RA, and with RA disease activity.Overall, the methods proved to be similar in their detection and relative quantification of serum protein N-glycosylation. However, the non-MS methods showed superior repeatability over MALDI-TOF-MS and allowed the best structural separation of low-complexity N-glycans. MALDI-TOF-MS achieved the highest throughput and provided compositional information on higher-complexity N-glycans. Consequentially, MALDI-TOF-MS could establish the linkage-specific sialylation differences within pregnancy and RA, whereas HILIC-UHPLC-FLD and xCGE-LIF demonstrated differences in α1,3- and α1,6-branch galactosylation. While the combination of methods proved to be the most beneficial for the analysis of total serum protein N-glycosylation, informed method choices can be made for the glycosylation analysis of single proteins or samples of varying complexity.
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Affiliation(s)
| | - Albert Bondt
- From the ‡Center for Proteomics and Metabolomics,; §Department of Rheumatology, Leiden University Medical Center (LUMC), Leiden, The Netherlands
| | - René Hennig
- ¶Max Planck Institute (MPI) for Dynamics of Complex Technical Systems, 39106 Magdeburg, Germany;; ‖glyXera GmbH., 39120 Magdeburg, Germany
| | - Richard A Gardner
- **Ludger, Ltd., Culham Science Centre, Abingdon, Oxfordshire, United Kingdom
| | - Roisin O'Flaherty
- ‡‡GlycoScience Group, National Institute for Bioprocessing Research and Training (NIBRT), Fosters Avenue, Blackrock, Co. Dublin, Ireland
| | | | - Archana Shubhakar
- **Ludger, Ltd., Culham Science Centre, Abingdon, Oxfordshire, United Kingdom
| | - Johanna M W Hazes
- ¶¶Department of Rheumatology, Erasmus University Medical Center, Rotterdam, The Netherland
| | - Udo Reichl
- ¶Max Planck Institute (MPI) for Dynamics of Complex Technical Systems, 39106 Magdeburg, Germany;; ‖‖Otto von Guericke University Magdeburg, Chair of Bioprocess Engineering, 39106 Magdeburg, Germany
| | - Daryl L Fernandes
- **Ludger, Ltd., Culham Science Centre, Abingdon, Oxfordshire, United Kingdom
| | | | - Erdmann Rapp
- ¶Max Planck Institute (MPI) for Dynamics of Complex Technical Systems, 39106 Magdeburg, Germany;; ‖glyXera GmbH., 39120 Magdeburg, Germany
| | - Daniel I R Spencer
- **Ludger, Ltd., Culham Science Centre, Abingdon, Oxfordshire, United Kingdom
| | - Radboud J E M Dolhain
- ¶¶Department of Rheumatology, Erasmus University Medical Center, Rotterdam, The Netherland
| | - Pauline M Rudd
- ‡‡GlycoScience Group, National Institute for Bioprocessing Research and Training (NIBRT), Fosters Avenue, Blackrock, Co. Dublin, Ireland
| | - Gordan Lauc
- §§Genos Glycoscience Research Laboratory, Zagreb, Croatia;; ***Faculty of Pharmacy and Biochemistry, University of Zagreb, 10000 Zagreb, Croatia
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26
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Kudelka MR, Nairn AV, Sardar MY, Sun X, Chaikof EL, Ju T, Moremen KW, Cummings RD. Isotopic labeling with cellular O-glycome reporter/amplification (ICORA) for comparative O-glycomics of cultured cells. Glycobiology 2018; 28:214-222. [PMID: 29390058 DOI: 10.1093/glycob/cwy005] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2017] [Accepted: 01/24/2018] [Indexed: 12/22/2022] Open
Abstract
Mucin-type O-glycans decorate >80% of secretory and cell surface proteins and contribute to health and disease. However, dynamic alterations in the O-glycome are poorly understood because current O-glycomic methodologies are not sufficiently sensitive nor quantitative. Here we describe a novel isotope labeling approach termed Isotope-Cellular O-glycome Reporter Amplification (ICORA) to amplify and analyze the O-glycome from cells. In this approach, cells are incubated with Ac3GalNAc-Bn (Ac3GalNAc-[1H7]Bn) or a heavy labeled Ac3GalNAc-BnD7 (Ac3GalNAc-[2D7]Bn) O-glycan precursor (7 Da mass difference), which enters cells and upon de-esterification is modified by Golgi enzymes to generate Bn-O-glycans secreted into the culture media. After recovery, heavy and light Bn-O-glycans from two separate conditions are mixed, analyzed by MS, and statistically interrogated for changes in O-glycan abundance using a semi-automated approach. ICORA enables ~100-1000-fold enhanced sensitivity and increased throughput compared to traditional O-glycomics. We validated ICORA with model cell lines and used it to define alterations in the O-glycome in colorectal cancer. ICORA is a useful tool to explore the dynamic regulation of the O-glycome in health and disease.
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Affiliation(s)
- Matthew R Kudelka
- Department of Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA.,Department of Biochemistry, Emory University School of Medicine, Atlanta, GA, USA
| | - Alison V Nairn
- Office of Biotechnology Products, Center for Drug Evaluation and Research, U.S. Food and Drug Administration, Silver Spring, MD, USA
| | - Mohammed Y Sardar
- Department of Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
| | - Xiaodong Sun
- Department of Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
| | - Elliot L Chaikof
- Department of Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
| | - Tongzhong Ju
- Department of Biochemistry, Emory University School of Medicine, Atlanta, GA, USA.,Office of Biotechnology Products, Center for Drug Evaluation and Research, U.S. Food and Drug Administration, Silver Spring, MD, USA
| | - Kelley W Moremen
- Complex Carbohydrate Research Center, University of Georgia, Athens, GA, USA
| | - Richard D Cummings
- Department of Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
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27
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Peng W, Zhao J, Dong X, Banazadeh A, Huang Y, Hussien A, Mechref Y. Clinical application of quantitative glycomics. Expert Rev Proteomics 2018; 15:1007-1031. [PMID: 30380947 PMCID: PMC6647030 DOI: 10.1080/14789450.2018.1543594] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
INTRODUCTION Aberrant glycosylation has been associated with many diseases. Decades of research activities have reported many reliable glycan biomarkers of different diseases which enable effective disease diagnostics and prognostics. However, none of the glycan markers have been approved for clinical diagnosis. Thus, a review of these studies is needed to guide the successful clinical translation. Area covered: In this review, we describe and discuss advances in analytical methods enabling clinical glycan biomarker discovery, focusing only on studies of released glycans. This review also summarizes the different glycobiomarkers identified for cancers, Alzheimer's disease, diabetes, hepatitis B and C, and other diseases. Expert commentary: Along with the development of techniques in quantitative glycomics, more glycans or glycan patterns have been reported as better potential biomarkers of different diseases and proved to have greater diagnostic/diagnostic sensitivity and specificity than existing markers. However, to successfully apply glycan markers in clinical diagnosis, more studies and verifications on large biological cohorts need to be performed. In addition, faster and more efficient glycomic strategies need to be developed to shorten the turnaround time. Thus, glycan biomarkers have an immense chance to be used in clinical prognosis and diagnosis of many diseases in the near future.
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Affiliation(s)
- Wenjing Peng
- a Department of Chemistry and Biochemistry , Texas Tech University , Lubbock , TX , USA
| | - Jingfu Zhao
- a Department of Chemistry and Biochemistry , Texas Tech University , Lubbock , TX , USA
| | - Xue Dong
- a Department of Chemistry and Biochemistry , Texas Tech University , Lubbock , TX , USA
| | - Alireza Banazadeh
- a Department of Chemistry and Biochemistry , Texas Tech University , Lubbock , TX , USA
| | - Yifan Huang
- a Department of Chemistry and Biochemistry , Texas Tech University , Lubbock , TX , USA
| | - Ahmed Hussien
- a Department of Chemistry and Biochemistry , Texas Tech University , Lubbock , TX , USA.,b Department of Biotechnology , Institute of Graduate Studies and Research, University of Alexandria , Alexandria , Egypt
| | - Yehia Mechref
- a Department of Chemistry and Biochemistry , Texas Tech University , Lubbock , TX , USA
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28
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Smith J, Mittermayr S, Váradi C, Bones J. Quantitative glycomics using liquid phase separations coupled to mass spectrometry. Analyst 2018; 142:700-720. [PMID: 28170017 DOI: 10.1039/c6an02715f] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
Post-translational modification of proteins by the attachment of glycans is governed by a variety of highly specific enzymes and is associated with fundamental impacts on the parent protein's physical, chemical and biological properties. The inherent connection between cellular physiology and specific glycosylation patterns has been shown to offer potential for diagnostic and prognostic monitoring of altered glycosylation in the disease state. Conversely, glycoprotein based biopharmaceuticals have emerged as dominant therapeutic strategies in the treatment of intricate diseases. Glycosylation present on these biopharmaceuticals represents a major critical quality attribute with impacts on both pharmacokinetics and pharmacodynamics. The structural variety of glycans, based upon their non-template driven assembly, poses a significant analytical challenge for both qualitative and quantitative analysis. Labile monosaccharide constituents, isomeric species and often low sample availability from biological sources necessitates meticulous sample handling, ultra-high-resolution analytical separation and sensitive detection techniques, respectively. In this article a critical review of analytical quantitation approaches using liquid phase separations coupled to mass spectrometry for released glycans of biopharmaceutical and biomedical significance is presented. Considerations associated with sample derivatisation strategies, ionisation, relative quantitation through isotopic as well as isobaric labelling, metabolic/enzymatic incorporation and targeted analysis are all thoroughly discussed.
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Affiliation(s)
- Josh Smith
- National Institute for Bioprocessing Research and Training, Fosters Avenue, Mount Merrion, Blackrock, Dublin, A94 X099, Ireland. and School of Biochemistry and Immunology, Trinity Biomedical Sciences Institute, Trinity College Dublin, 152-160 Pearse Street, Dublin 2, D02 R590, Ireland
| | - Stefan Mittermayr
- National Institute for Bioprocessing Research and Training, Fosters Avenue, Mount Merrion, Blackrock, Dublin, A94 X099, Ireland.
| | - Csaba Váradi
- National Institute for Bioprocessing Research and Training, Fosters Avenue, Mount Merrion, Blackrock, Dublin, A94 X099, Ireland.
| | - Jonathan Bones
- National Institute for Bioprocessing Research and Training, Fosters Avenue, Mount Merrion, Blackrock, Dublin, A94 X099, Ireland. and School of Chemical and Bioprocess Engineering, University College Dublin, Belfield, Dublin 4, D04 V1 W8, Ireland
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29
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Dong X, Huang Y, Cho BG, Zhong J, Gautam S, Peng W, Williamson SD, Banazadeh A, Torres-Ulloa KY, Mechref Y. Advances in mass spectrometry-based glycomics. Electrophoresis 2018; 39:3063-3081. [PMID: 30199110 DOI: 10.1002/elps.201800273] [Citation(s) in RCA: 68] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2018] [Revised: 09/05/2018] [Accepted: 09/06/2018] [Indexed: 12/22/2022]
Abstract
The diversification of the chemical properties and biological functions of proteins is attained through posttranslational modifications, such as glycosylation. Glycans, which are covalently attached to proteins, play a vital role in cell activities. The microheterogeneity and complexity of glycan structures associated with proteins make comprehensive glycomic analysis challenging. However, recent advancements in mass spectrometry (MS), separation techniques, and sample preparation methods have primarily facilitated structural elucidation and quantitation of glycans. This review focuses on describing recent advances in MS-based techniques used for glycomic analysis (2012-2018), including ionization, tandem MS, and separation techniques coupled with MS. Progress in glycomics workflow involving glycan release, purification, derivatization, and separation will also be highlighted here. Additionally, the recent development of quantitative glycomics through comparative and multiplex approaches will also be described.
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Affiliation(s)
- Xue Dong
- Department of Chemistry and Biochemistry, Texas Tech University, Lubbock, TX, USA
| | - Yifan Huang
- Department of Chemistry and Biochemistry, Texas Tech University, Lubbock, TX, USA
| | - Byeong Gwan Cho
- Department of Chemistry and Biochemistry, Texas Tech University, Lubbock, TX, USA
| | - Jieqiang Zhong
- Department of Chemistry and Biochemistry, Texas Tech University, Lubbock, TX, USA
| | - Sakshi Gautam
- Department of Chemistry and Biochemistry, Texas Tech University, Lubbock, TX, USA
| | - Wenjing Peng
- Department of Chemistry and Biochemistry, Texas Tech University, Lubbock, TX, USA
| | - Seth D Williamson
- Department of Chemistry and Biochemistry, Texas Tech University, Lubbock, TX, USA
| | - Alireza Banazadeh
- Department of Chemistry and Biochemistry, Texas Tech University, Lubbock, TX, USA
| | - Katya Y Torres-Ulloa
- Department of Chemistry and Biochemistry, Texas Tech University, Lubbock, TX, USA
| | - Yehia Mechref
- Department of Chemistry and Biochemistry, Texas Tech University, Lubbock, TX, USA
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30
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Ruhaak LR, Xu G, Li Q, Goonatilleke E, Lebrilla CB. Mass Spectrometry Approaches to Glycomic and Glycoproteomic Analyses. Chem Rev 2018; 118:7886-7930. [PMID: 29553244 PMCID: PMC7757723 DOI: 10.1021/acs.chemrev.7b00732] [Citation(s) in RCA: 253] [Impact Index Per Article: 42.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Glycomic and glycoproteomic analyses involve the characterization of oligosaccharides (glycans) conjugated to proteins. Glycans are produced through a complicated nontemplate driven process involving the competition of enzymes that extend the nascent chain. The large diversity of structures, the variations in polarity of the individual saccharide residues, and the poor ionization efficiencies of glycans all conspire to make the analysis arguably much more difficult than any other biopolymer. Furthermore, the large number of glycoforms associated with a specific protein site makes it more difficult to characterize than any post-translational modification. Nonetheless, there have been significant progress, and advanced separation and mass spectrometry methods have been at its center and the main reason for the progress. While glycomic and glycoproteomic analyses are still typically available only through highly specialized laboratories, new software and workflow is making it more accessible. This review focuses on the role of mass spectrometry and separation methods in advancing glycomic and glycoproteomic analyses. It describes the current state of the field and progress toward making it more available to the larger scientific community.
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Affiliation(s)
- L. Renee Ruhaak
- Department of Clinical Chemistry and Laboratory Medicine, Leiden University Medical Center, 2333 ZA Leiden, The Netherlands
| | - Gege Xu
- Department of Chemistry, University of California, Davis, One Shields Avenue, Davis, California 95616, United States
| | - Qiongyu Li
- Department of Chemistry, University of California, Davis, One Shields Avenue, Davis, California 95616, United States
| | - Elisha Goonatilleke
- Department of Chemistry, University of California, Davis, One Shields Avenue, Davis, California 95616, United States
| | - Carlito B. Lebrilla
- Department of Chemistry, University of California, Davis, One Shields Avenue, Davis, California 95616, United States
- Department of Biochemistry and Molecular Medicine, University of California, Davis, Davis, California 95616, United States
- Foods for Health Institute, University of California, Davis, Davis, California 95616, United States
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31
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Hwang CH, Park HM, Park HG, Ahn DH, Kim SM, Ko BJ, Kim YH, Yang YH, Kim YG. Quantitative characterization of intact sialylated O-glycans with MALDI-MS for protein biotherapeutics. KOREAN J CHEM ENG 2018. [DOI: 10.1007/s11814-018-0058-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/16/2022]
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32
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Frost DC, Li L. Recent advances in mass spectrometry-based glycoproteomics. ADVANCES IN PROTEIN CHEMISTRY AND STRUCTURAL BIOLOGY 2018; 95:71-123. [PMID: 24985770 DOI: 10.1016/b978-0-12-800453-1.00003-8] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Protein glycosylation plays fundamental roles in many biological processes as one of the most common, and the most complex, posttranslational modification. Alterations in glycosylation profile are now known to be associated with many diseases. As a result, the discovery and detailed characterization of glycoprotein disease biomarkers is a primary interest of biomedical research. Advances in mass spectrometry (MS)-based glycoproteomics and glycomics are increasingly enabling qualitative and quantitative approaches for site-specific structural analysis of protein glycosylation. While the complexity presented by glycan heterogeneity and the wide dynamic range of clinically relevant samples like plasma, serum, cerebrospinal fluid, and tissue make comprehensive analyses of the glycoproteome a challenging task, the ongoing efforts into the development of glycoprotein enrichment, enzymatic digestion, and separation strategies combined with novel quantitative MS methodologies have greatly improved analytical sensitivity, specificity, and throughput. This review summarizes current MS-based glycoproteomics approaches and highlights recent advances in its application to cancer biomarker and neurodegenerative disease research.
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Affiliation(s)
- Dustin C Frost
- School of Pharmacy, University of Wisconsin, Madison, Wisconsin, USA
| | - Lingjun Li
- School of Pharmacy, University of Wisconsin, Madison, Wisconsin, USA; Department of Chemistry, University of Wisconsin, Madison, Wisconsin, USA.
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33
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Wang C, Wu Y, Zhang L, Liu BF, Lin Y, Liu X. Relative quantitation of neutral and sialylated N -glycans using stable isotopic labeled d0/d5-benzoyl chloride by MALDI-MS. Anal Chim Acta 2018; 1002:50-61. [DOI: 10.1016/j.aca.2017.11.027] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2017] [Revised: 11/14/2017] [Accepted: 11/15/2017] [Indexed: 12/12/2022]
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34
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Shi Q, Hashimoto R, Otsubo T, Ikeda K, Todoroki K, Mizuno H, Jin D, Toyo’oka T, Jiang Z, Min JZ. A novel, simplified strategy of relative quantification N-glycan: Quantitative glycomics using electrospray ionization mass spectrometry through the stable isotopic labeling by transglycosylation reaction of mutant enzyme Endo-M-N175Q. J Pharm Biomed Anal 2018; 149:365-373. [DOI: 10.1016/j.jpba.2017.11.032] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2017] [Revised: 11/05/2017] [Accepted: 11/08/2017] [Indexed: 10/18/2022]
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35
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Albrecht S, Mittermayr S, Smith J, Martín SM, Doherty M, Bones J. Twoplex 12/13 C 6 aniline stable isotope and linkage-specific sialic acid labeling 2D-LC-MS workflow for quantitative N-glycomics. Proteomics 2017; 17. [PMID: 27891772 DOI: 10.1002/pmic.201600304] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2016] [Revised: 11/10/2016] [Accepted: 11/25/2016] [Indexed: 11/06/2022]
Abstract
Quantitative glycomics represents an actively expanding research field ranging from the discovery of disease-associated glycan alterations to the quantitative characterization of N-glycans on therapeutic proteins. Commonly used analytical platforms for comparative relative quantitation of complex glycan samples include MALDI-TOF-MS or chromatographic glycan profiling with subsequent data alignment and statistical evaluation. Limitations of such approaches include run-to-run technical variation and the potential introduction of subjectivity during data processing. Here, we introduce an offline 2D LC-MSE workflow for the fractionation and relative quantitation of twoplex isotopically labeled N-linked oligosaccharides using neutral 12 C6 and 13 C6 aniline (Δmass = 6 Da). Additional linkage-specific derivatization of sialic acids using 4-(4,6-dimethoxy-1,3,5-trizain-2-yl)-4-methylmorpholinium chloride offered simultaneous and advanced in-depth structural characterization. The potential of the method was demonstrated for the differential analysis of structurally defined N-glycans released from serum proteins of patients diagnosed with various stages of colorectal cancer. The described twoplex 12 C6 /13 C6 aniline 2D LC-MS platform is ideally suited for differential glycomic analysis of structurally complex N-glycan pools due to combination and analysis of samples in a single LC-MS injection and the associated minimization in technical variation.
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Affiliation(s)
- Simone Albrecht
- Characterisation and Comparability Laboratory, NIBRT - The National Institute for Bioprocessing Research and Training, Dublin, Ireland
| | - Stefan Mittermayr
- Characterisation and Comparability Laboratory, NIBRT - The National Institute for Bioprocessing Research and Training, Dublin, Ireland
| | - Josh Smith
- Characterisation and Comparability Laboratory, NIBRT - The National Institute for Bioprocessing Research and Training, Dublin, Ireland
| | - Silvia Millán Martín
- Characterisation and Comparability Laboratory, NIBRT - The National Institute for Bioprocessing Research and Training, Dublin, Ireland
| | - Margaret Doherty
- Characterisation and Comparability Laboratory, NIBRT - The National Institute for Bioprocessing Research and Training, Dublin, Ireland.,Department of Life Sciences, School of Science, Institute of Technology Sligo, Sligo, Ireland
| | - Jonathan Bones
- Characterisation and Comparability Laboratory, NIBRT - The National Institute for Bioprocessing Research and Training, Dublin, Ireland
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36
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Yang L, Peng Y, Jiao J, Tao T, Yao J, Zhang Y, Lu H. Metallic Element Chelated Tag Labeling (MeCTL) for Quantitation of N-Glycans in MALDI-MS. Anal Chem 2017. [PMID: 28636329 DOI: 10.1021/acs.analchem.7b01051] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
N-glycosylation plays an important role in chief biological and pathological processes. Quantifying the N-glycan is important since glycan alterations are related to many diseases. In this study, we developed a novel N-glycan quantitation approach using metallic element chelated tag labeling (MeCTL) through reductive amination. The MeCTL strategy is of high labeling efficiency and accurate in quantitation with high reproducibility (CV < 17.03%) and good linearity (R2 > 0.99) within 2 orders of magnitude of dynamic range. Additionally, it provides significant cross-ring fragmentation to distinguish N-glycan isomers. Furthermore, multiplex quantitation by chelation with several different rare earth elements can be achieved. At last, this strategy has been successfully used for evaluation of N-glycan changes in human serum associated with CRC, indicating its potential in clinical applications including disease N-glycome profiling and relative quantitation.
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Affiliation(s)
- Lijun Yang
- Shanghai Cancer Center and Department of Chemistry, Fudan University , Shanghai, 200032, P. R. China.,Institutes of Biomedical Sciences and Key Laboratory of Glycoconjugates Research Ministry of Public Health, Fudan University , Shanghai 200032, P. R. China
| | - Ye Peng
- Institutes of Biomedical Sciences and Key Laboratory of Glycoconjugates Research Ministry of Public Health, Fudan University , Shanghai 200032, P. R. China
| | - Jing Jiao
- Shanghai Cancer Center and Department of Chemistry, Fudan University , Shanghai, 200032, P. R. China
| | - Tao Tao
- Institutes of Biomedical Sciences and Key Laboratory of Glycoconjugates Research Ministry of Public Health, Fudan University , Shanghai 200032, P. R. China
| | - Jun Yao
- Institutes of Biomedical Sciences and Key Laboratory of Glycoconjugates Research Ministry of Public Health, Fudan University , Shanghai 200032, P. R. China
| | - Ying Zhang
- Shanghai Cancer Center and Department of Chemistry, Fudan University , Shanghai, 200032, P. R. China.,Institutes of Biomedical Sciences and Key Laboratory of Glycoconjugates Research Ministry of Public Health, Fudan University , Shanghai 200032, P. R. China
| | - Haojie Lu
- Shanghai Cancer Center and Department of Chemistry, Fudan University , Shanghai, 200032, P. R. China.,Institutes of Biomedical Sciences and Key Laboratory of Glycoconjugates Research Ministry of Public Health, Fudan University , Shanghai 200032, P. R. China
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37
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Jiang K, Zhu H, Xiao C, Liu D, Edmunds G, Wen L, Ma C, Li J, Wang PG. Solid-phase reductive amination for glycomic analysis. Anal Chim Acta 2017; 962:32-40. [DOI: 10.1016/j.aca.2017.01.049] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2016] [Revised: 01/02/2017] [Accepted: 01/13/2017] [Indexed: 01/08/2023]
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38
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Grünwald-Gruber C, Thader A, Maresch D, Dalik T, Altmann F. Determination of true ratios of different N-glycan structures in electrospray ionization mass spectrometry. Anal Bioanal Chem 2017; 409:2519-2530. [PMID: 28271226 PMCID: PMC5359385 DOI: 10.1007/s00216-017-0235-8] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2016] [Accepted: 01/27/2017] [Indexed: 12/25/2022]
Abstract
An ideal method for the analysis of N-glycans would both identify the isomeric structure and deliver a true picture of the relative, if not absolute, amounts of the various structures in one sample. Porous graphitic carbon chromatography coupled with electrospray ionization mass spectrometry (ESI-MS) detection has emerged as a method with a particularly high potential of resolving isomeric oligosaccharides, but little attention has so far been paid to quantitation of the results obtained. In this work, we isolated a range of structures from Man5 to complex type N-glycans with zero to four sialic acids and blended them into an equimolar "glyco tune mix". When subjected to liquid chromatography-ESI-MS in positive and negative modes, the glyco tune mix clearly demonstrated the futility of quantitation of N-glycans of different overall composition, different number of sialic acids, and strongly differing size without compensation for their very different molar responses. Relative quantitation of human plasma N-glycans was performed with correction factors deduced from this external glyco tune mix. Addition of just one isotope-coded internal standard with enzymatically added 13C-galactose led to absolute quantification in the same experiment. Graphical Abstract Discrepancy between desirable (grey bars) and real (green bars) relative ion abundance of equimolar amounts of glycans in positive mode ESI-MS.
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Affiliation(s)
- Clemens Grünwald-Gruber
- Department of Chemistry, University of Natural Resources and Life Sciences, Vienna, Muthgasse 18, 1190, Vienna, Austria
| | - Andreas Thader
- Department of Chemistry, University of Natural Resources and Life Sciences, Vienna, Muthgasse 18, 1190, Vienna, Austria
| | - Daniel Maresch
- Department of Chemistry, University of Natural Resources and Life Sciences, Vienna, Muthgasse 18, 1190, Vienna, Austria
| | - Thomas Dalik
- Department of Chemistry, University of Natural Resources and Life Sciences, Vienna, Muthgasse 18, 1190, Vienna, Austria
| | - Friedrich Altmann
- Department of Chemistry, University of Natural Resources and Life Sciences, Vienna, Muthgasse 18, 1190, Vienna, Austria.
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39
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Adua E, Russell A, Roberts P, Wang Y, Song M, Wang W. Innovation Analysis on Postgenomic Biomarkers: Glycomics for Chronic Diseases. ACTA ACUST UNITED AC 2017; 21:183-196. [DOI: 10.1089/omi.2017.0035] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Affiliation(s)
- Eric Adua
- School of Medical and Health Sciences, Edith Cowan University, Perth, Australia
| | - Alyce Russell
- School of Medical and Health Sciences, Edith Cowan University, Perth, Australia
| | - Peter Roberts
- School of Medical and Health Sciences, Edith Cowan University, Perth, Australia
| | - Youxin Wang
- Beijing Key Laboratory of Clinical Epidemiology, School of Public Health, Capital Medical University, Beijing, China
| | - Manshu Song
- Beijing Key Laboratory of Clinical Epidemiology, School of Public Health, Capital Medical University, Beijing, China
| | - Wei Wang
- School of Medical and Health Sciences, Edith Cowan University, Perth, Australia
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40
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Kim KJ, Kim YW, Park HG, Hwang CH, Park IY, Choi KY, Yang YH, Kim YH, Kim YG. A MALDI-MS-based quantitative glycoprofiling method on a 96-well plate platform. J IND ENG CHEM 2017. [DOI: 10.1016/j.jiec.2016.10.025] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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41
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Affiliation(s)
- Stefan Gaunitz
- Department of Chemistry, Indiana University, Bloomington, Indiana 47405, United States
| | - Gabe Nagy
- Department of Chemistry, Indiana University, Bloomington, Indiana 47405, United States
| | - Nicola L. B. Pohl
- Department of Chemistry, Indiana University, Bloomington, Indiana 47405, United States
| | - Milos V. Novotny
- Department of Chemistry, Indiana University, Bloomington, Indiana 47405, United States
- Regional Center for Applied Molecular Oncology, Masaryk Memorial Oncological Institute, 656 53 Brno, Czech Republic
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42
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Karlsson NG, Jin C, Rojas-Macias MA, Adamczyk B. Next Generation O-Linked Glycomics. TRENDS GLYCOSCI GLYC 2017. [DOI: 10.4052/tigg.1602.1e] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Affiliation(s)
- Niclas G. Karlsson
- Department of Medical Biochemistry and Cell Biology, Institute of Biomedicine, Sahlgrenska Academy, University of Gothenburg
| | - Chunsheng Jin
- Department of Medical Biochemistry and Cell Biology, Institute of Biomedicine, Sahlgrenska Academy, University of Gothenburg
| | - Miguel A. Rojas-Macias
- Department of Medical Biochemistry and Cell Biology, Institute of Biomedicine, Sahlgrenska Academy, University of Gothenburg
| | - Barbara Adamczyk
- Department of Medical Biochemistry and Cell Biology, Institute of Biomedicine, Sahlgrenska Academy, University of Gothenburg
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43
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Quantitative O -glycomics based on improvement of the one-pot method for nonreductive O -glycan release and simultaneous stable isotope labeling with 1-(d 0 /d 5 )phenyl-3-methyl-5-pyrazolone followed by mass spectrometric analysis. J Proteomics 2017; 150:18-30. [DOI: 10.1016/j.jprot.2016.08.012] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2016] [Revised: 07/28/2016] [Accepted: 08/19/2016] [Indexed: 12/23/2022]
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44
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Sethi MK, Hancock WS, Fanayan S. Identifying N-Glycan Biomarkers in Colorectal Cancer by Mass Spectrometry. Acc Chem Res 2016; 49:2099-2106. [PMID: 27653471 DOI: 10.1021/acs.accounts.6b00193] [Citation(s) in RCA: 62] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Colorectal cancer (CRC) is one of the most prevalent cancers worldwide. Delineating biological markers (biomarkers) for early detection, when treatment is most effective, is key to prevention and long-term survival of patients. Development of reliable biomarkers requires an increased understanding of the CRC biology and the underlying molecular and cellular mechanisms of the disease. With recent advances in new technologies and approaches, tremendous efforts have been put in proteomics and genomics fields to deliver detailed analysis of the two major biomolecules, genes and proteins, to gain a more complete understanding of cellular systems at both genomic and proteomic levels, allowing a mechanistic understanding of the human diseases, including cancer, and opening avenues for identification of novel gene and protein based prognostic and therapeutic markers. Although the importance of glycosylation in modulating protein function has long been appreciated, glycan analysis has been complicated by the diversity of the glycan structures and the large number of potential glycosylation combinations. Driven by recent technological advances, LC-MS/MS based glycomics is gaining momentum in cancer research and holds considerable potential to deliver new glycan-based markers. In our laboratory, we investigated alterations in N-glycosylation associated with CRC malignancy in a panel of CRC cell lines and CRC patient tissues. In an initial study, LC-MS/MS-based N-glycomics were utilized to map the N-glycome landscape associated with a panel of CRC cell lines (LIM1215, LIM1899, and LIM2405). These studies were subsequently extended to paired tumor and nontumorigenic CRC tissues to validate the findings in the cell line. Our studies in both CRC cell lines and tissues identified a strong representation of high mannose and α2,6-linked sialylated complex N-glycans, which corroborate findings from previous studies in CRC and other cancers. In addition, certain unique glycan determinants such as bisecting β1,4-GlcNAcylation and α2,3-sialylation, identified in the metastatic (LIM1215) and aggressive (LIM2405) CRC cell lines, respectively, were shown to be associated with epidermal growth factor receptor (EGFR) expression status. In this Account, we will describe the mass spectrometry based N-glycomics approach utilized in our laboratory to accurately profile the cell- and tissue-specific N-glycomes associated with CRC. We will highlight altered N-glycosylation observed by our studies, consistent with findings from other cancer studies, and discuss how the observed alterations can provide insights into CRC pathogenesis, opening new avenues to identify novel disease-associated glycan markers.
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Affiliation(s)
- Manveen K. Sethi
- Department
of Chemistry and Biomolecular Sciences, Macquarie University, North Ryde, NSW 2109, Australia
| | - William S. Hancock
- Barnett
Institute and Department of Chemistry and Chemical Biology, Northeastern University, Boston, Massachusetts 02115, United States
- Department
of Biomedical Sciences, Macquarie University, North Ryde, NSW 2109, Australia
| | - Susan Fanayan
- Department
of Biomedical Sciences, Macquarie University, North Ryde, NSW 2109, Australia
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45
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Seo HK, Fanata WID, Kim SJ, Park S, Lee YI, Lee KO, Lim JM. Metabolic Isotope Labeling of Polysaccharides with Isotopic Glucose for Quantitative Glycomics in Cell Culture. B KOREAN CHEM SOC 2016. [DOI: 10.1002/bkcs.10877] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Affiliation(s)
- Hyun-Kyeong Seo
- Department of Chemistry; Changwon National University; 20 Changwondaehak-ro, Uichang-gu Changwon Gyeongnam 641-773 South Korea
| | - Wahyu Indra Duwi Fanata
- Division of Applied Life Science (BK21+ Program), PMBBRC; Gyeongsang National University; 501 Jinju-daero Jinju 52828 South Korea
| | - Sang-Jin Kim
- Department of Chemistry; Changwon National University; 20 Changwondaehak-ro, Uichang-gu Changwon Gyeongnam 641-773 South Korea
| | - Seongha Park
- Department of Chemistry; Changwon National University; 20 Changwondaehak-ro, Uichang-gu Changwon Gyeongnam 641-773 South Korea
| | - Yong-Ill Lee
- Department of Chemistry; Changwon National University; 20 Changwondaehak-ro, Uichang-gu Changwon Gyeongnam 641-773 South Korea
| | - Kyun Oh Lee
- Division of Applied Life Science (BK21+ Program), PMBBRC; Gyeongsang National University; 501 Jinju-daero Jinju 52828 South Korea
| | - Jae-Min Lim
- Department of Chemistry; Changwon National University; 20 Changwondaehak-ro, Uichang-gu Changwon Gyeongnam 641-773 South Korea
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46
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Shubhakar A, Kozak RP, Reiding KR, Royle L, Spencer DIR, Fernandes DL, Wuhrer M. Automated High-Throughput Permethylation for Glycosylation Analysis of Biologics Using MALDI-TOF-MS. Anal Chem 2016; 88:8562-9. [PMID: 27479043 DOI: 10.1021/acs.analchem.6b01639] [Citation(s) in RCA: 62] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Monitoring glycoprotein therapeutics for changes in glycosylation throughout the drug's life cycle is vital, as glycans significantly modulate the stability, biological activity, serum half-life, safety, and immunogenicity. Biopharma companies are increasingly adopting Quality by Design (QbD) frameworks for measuring, optimizing, and controlling drug glycosylation. Permethylation of glycans prior to analysis by matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOF-MS) is a valuable tool for glycan characterization and for screening of large numbers of samples in QbD drug realization. However, the existing protocols for manual permethylation and liquid-liquid extraction (LLE) steps are labor intensive and are thus not practical for high-throughput (HT) studies. Here we present a glycan permethylation protocol, based on 96-well microplates, that has been developed into a kit suitable for HT work. The workflow is largely automated using a liquid handling robot and includes N-glycan release, enrichment of N-glycans, permethylation, and LLE. The kit has been validated according to industry analytical performance guidelines and applied to characterize biopharmaceutical samples, including IgG4 monoclonal antibodies (mAbs) and recombinant human erythropoietin (rhEPO). The HT permethylation enabled glycan characterization and relative quantitation with minimal side reactions: the MALDI-TOF-MS profiles obtained were in good agreement with hydrophilic liquid interaction chromatography (HILIC) and ultrahigh performance liquid chromatography (UHPLC) data. Automated permethylation and extraction of 96 glycan samples was achieved in less than 5 h and automated data acquisition on MALDI-TOF-MS took on average less than 1 min per sample. This automated and HT glycan preparation and permethylation showed to be convenient, fast, and reliable and can be applied for drug glycan profiling and clinical glycan biomarker studies.
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Affiliation(s)
- Archana Shubhakar
- Ludger Ltd. , Culham Science Centre, Abingdon, Oxfordshire, United Kingdom.,Division of BioAnalytical Chemistry, VU University Amsterdam , De Boelelaan 1083, 1081 HV Amsterdam, The Netherlands
| | - Radoslaw P Kozak
- Ludger Ltd. , Culham Science Centre, Abingdon, Oxfordshire, United Kingdom
| | - Karli R Reiding
- Leiden University Medical Center , Center for Proteomics and Metabolomics, Leiden, The Netherlands
| | - Louise Royle
- Ludger Ltd. , Culham Science Centre, Abingdon, Oxfordshire, United Kingdom
| | - Daniel I R Spencer
- Ludger Ltd. , Culham Science Centre, Abingdon, Oxfordshire, United Kingdom
| | - Daryl L Fernandes
- Ludger Ltd. , Culham Science Centre, Abingdon, Oxfordshire, United Kingdom
| | - Manfred Wuhrer
- Leiden University Medical Center , Center for Proteomics and Metabolomics, Leiden, The Netherlands.,Division of BioAnalytical Chemistry, VU University Amsterdam , De Boelelaan 1083, 1081 HV Amsterdam, The Netherlands
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47
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Cao W, Zhang W, Huang J, Jiang B, Zhang L, Yang P. Glycan reducing end dual isotopic labeling (GREDIL) for mass spectrometry-based quantitative N-glycomics. Chem Commun (Camb) 2016; 51:13603-6. [PMID: 26240031 DOI: 10.1039/c5cc05365j] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
A general and effective enzymatic labeling method, termed glycan reducing end dual isotopic labeling (GREDIL), was developed for mass spectrometry-based quantitative N-glycomics.
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Affiliation(s)
- Weiqian Cao
- Institutes of Biomedical Sciences, Fudan University, Shanghai 200032, P. R. China.
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48
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Song X, Ju H, Lasanajak Y, Kudelka MR, Smith DF, Cummings RD. Oxidative release of natural glycans for functional glycomics. Nat Methods 2016; 13:528-34. [PMID: 27135973 PMCID: PMC4887297 DOI: 10.1038/nmeth.3861] [Citation(s) in RCA: 135] [Impact Index Per Article: 16.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2015] [Accepted: 03/28/2016] [Indexed: 12/13/2022]
Abstract
Glycans have essential roles in biology and the etiology of many diseases. A major hurdle in studying glycans through functional glycomics is the lack of methods to release glycans from diverse types of biological samples. Here we describe an oxidative strategy using household bleach to release all types of free reducing N-glycans and O-glycan-acids from glycoproteins, and glycan nitriles from glycosphingolipids. Released glycans are directly useful in glycomic analyses and can be derivatized fluorescently for functional glycomics. This chemical method overcomes the limitations in glycan generation and promotes archiving and characterization of human and animal glycomes and their functions.
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Affiliation(s)
- Xuezheng Song
- Department of Biochemistry, Emory University School of Medicine, Atlanta, Georgia, USA
| | - Hong Ju
- Department of Biochemistry, Emory University School of Medicine, Atlanta, Georgia, USA
| | - Yi Lasanajak
- Department of Biochemistry, Emory University School of Medicine, Atlanta, Georgia, USA
| | - Matthew R Kudelka
- Department of Biochemistry, Emory University School of Medicine, Atlanta, Georgia, USA
| | - David F Smith
- Department of Biochemistry, Emory University School of Medicine, Atlanta, Georgia, USA
| | - Richard D Cummings
- Department of Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts, USA
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49
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Zhou S, Tello N, Harvey A, Boyes B, Orlando R, Mechref Y. Reliable LC-MS quantitative glycomics using iGlycoMab stable isotope labeled glycans as internal standards. Electrophoresis 2016; 37:1489-97. [PMID: 26913967 PMCID: PMC4964797 DOI: 10.1002/elps.201600013] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2016] [Revised: 02/16/2016] [Accepted: 02/16/2016] [Indexed: 01/09/2023]
Abstract
Glycans have numerous functions in various biological processes and participate in the progress of diseases. Reliable quantitative glycomic profiling techniques could contribute to the understanding of the biological functions of glycans, and lead to the discovery of potential glycan biomarkers for diseases. Although LC-MS is a powerful analytical tool for quantitative glycomics, the variation of ionization efficiency and MS intensity bias are influencing quantitation reliability. Internal standards can be utilized for glycomic quantitation by MS-based methods to reduce variability. In this study, we used stable isotope labeled IgG2b monoclonal antibody, iGlycoMab, as an internal standard to reduce potential for errors and to reduce variabililty due to sample digestion, derivatization, and fluctuation of nanoESI efficiency in the LC-MS analysis of permethylated N-glycans released from model glycoproteins, human blood serum, and breast cancer cell line. We observed an unanticipated degradation of isotope labeled glycans, tracked a source of such degradation, and optimized a sample preparation protocol to minimize degradation of the internal standard glycans. All results indicated the effectiveness of using iGlycoMab to minimize errors originating from sample handling and instruments.
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Affiliation(s)
- Shiyue Zhou
- Department of Chemistry and Biochemistry, Texas Tech University, Lubbock, TX
| | - Nadia Tello
- Department of Chemistry and Biochemistry, Texas Tech University, Lubbock, TX
| | | | | | | | - Yehia Mechref
- Department of Chemistry and Biochemistry, Texas Tech University, Lubbock, TX
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50
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Etxebarria J, Reichardt NC. Methods for the absolute quantification of N-glycan biomarkers. Biochim Biophys Acta Gen Subj 2016; 1860:1676-87. [PMID: 26953846 DOI: 10.1016/j.bbagen.2016.03.003] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2015] [Revised: 03/01/2016] [Accepted: 03/02/2016] [Indexed: 12/28/2022]
Abstract
BACKGROUND Many treatment options especially for cancer show a low efficacy for the majority of patients demanding improved biomarker panels for patient stratification. Changes in glycosylation are a hallmark of many cancers and inflammatory diseases and show great potential as clinical disease markers. The large inter-subject variability in glycosylation due to hereditary and environmental factors can complicate rapid transfer of glycan markers into the clinical practice but also presents an opportunity for personalized medicine. SCOPE OF REVIEW This review discusses opportunities of glycan biomarkers in personalized medicine and reviews the methodology for N-glycan analysis with a specific focus on methods for absolute quantification. MAJOR CONCLUSIONS The entry into the clinical practice of glycan markers is delayed in large part due to a lack of adequate methodology for the precise and robust quantification of protein glycosylation. Only absolute glycan quantification can provide a complete picture of the disease related changes and will provide the method robustness required by clinical applications. GENERAL SIGNIFICANCE Glycan biomarkers have a huge potential as disease markers for personalized medicine. The use of stable isotope labeled glycans as internal standards and heavy-isotope labeling methods will provide the necessary method precision and robustness acceptable for clinical use. This article is part of a Special Issue entitled "Glycans in personalized medicine" Guest Editor: Professor Gordan Lauc.
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Affiliation(s)
- Juan Etxebarria
- CIC biomaGUNE, Paseo Miramon 182, 20009 San Sebastian, Spain
| | - Niels-Christian Reichardt
- CIC biomaGUNE, Paseo Miramon 182, 20009 San Sebastian, Spain; CIBER-BBN, Paseo Miramon 182, 20009 San Sebastian, Spain.
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