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Sanes JT, Costello CE, Steere AC. Heightened Proinflammatory Glycosylation of Borrelia burgdorferi IgG Antibodies in Synovial Fluid in Patients With Antibiotic-Refractory Lyme Arthritis. Arthritis Rheumatol 2023; 75:1263-1274. [PMID: 36716113 PMCID: PMC10313735 DOI: 10.1002/art.42465] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2022] [Revised: 01/11/2023] [Accepted: 01/26/2023] [Indexed: 01/31/2023]
Abstract
OBJECTIVE Terminal glycans on the Fc portion of IgG antibodies are critical for antibody-triggered, proinflammatory or antiinflammatory responses. We undertook this study to compare glycan profiles of total IgG1 and Borrelia burgdorferi (Bb)-specific IgG1 antibodies in patients with oral antibiotic-responsive or antibiotic-refractory Lyme arthritis (LA). METHODS Following affinity-column processing, glycan profiles of IgG antibodies were determined in serum and synovial fluid (SF) samples of 21 LA patients using glycoblotting with hydrazide glycan enrichment and determination of glycan structure by matrix-assisted laser desorption ionization-time-of-flight mass spectrometry. Correlations between glycan profiles and treatment outcomes were analyzed. RESULTS Compared with patients with antibiotic-refractory LA, those with antibiotic-responsive LA had total and Bb-specific IgG1 antibody glycans with less intense inflammatory profiles, containing lower percentages of N-acetylglucosamine (GlcNAc) and bisecting GlcNAc and higher percentages of galactose and fucose. In contrast, patients with antibiotic-refractory LA prior to receiving IV antibiotic therapy had total IgG1 and Bb IgG1 antibodies with maximal, minimally opposed, proinflammatory glycan profiles, containing high percentages of GlcNAc and bisecting GlcNAc, intermediate percentages with galactose and fucose, and low percentages with N-acetylneuraminic acid (sialic acid). Patients with refractory LA who were first seen with synovitis after receiving IV antibiotic therapy still had Bb IgG1 antibodies with strongly inflammatory glycan profiles, but their inflammatory potential appeared to be waning. CONCLUSION Patients with oral antibiotic-responsive LA had Bb IgG1 antibodies with more balanced proinflammatory/antiinflammatory glycan profiles, whereas patients with antibiotic-refractory LA had Bb IgG1 antibodies with maximal, minimally opposed, proinflammatory glycan profiles. Among patients with antibiotic-refractory LA, antibodies with this unbalanced inflammatory glycan profile may have a role in sustaining maladaptive joint inflammation.
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Affiliation(s)
- Jurgen T Sanes
- Division of Rheumatology, Allergy and Immunology, Center for Immunology and Inflammatory Diseases, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts
| | - Catherine E Costello
- Department of Biochemistry, Center for Biomedical Mass Spectrometry, Boston University School of Medicine, Boston, Massachusetts
| | - Allen C Steere
- Division of Rheumatology, Allergy and Immunology, Center for Immunology and Inflammatory Diseases, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts
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2
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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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3
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Trbojević-Akmačić I, Lageveen-Kammeijer GSM, Heijs B, Petrović T, Deriš H, Wuhrer M, Lauc G. High-Throughput Glycomic Methods. Chem Rev 2022; 122:15865-15913. [PMID: 35797639 PMCID: PMC9614987 DOI: 10.1021/acs.chemrev.1c01031] [Citation(s) in RCA: 29] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
Glycomics aims to identify the structure and function of the glycome, the complete set of oligosaccharides (glycans), produced in a given cell or organism, as well as to identify genes and other factors that govern glycosylation. This challenging endeavor requires highly robust, sensitive, and potentially automatable analytical technologies for the analysis of hundreds or thousands of glycomes in a timely manner (termed high-throughput glycomics). This review provides a historic overview as well as highlights recent developments and challenges of glycomic profiling by the most prominent high-throughput glycomic approaches, with N-glycosylation analysis as the focal point. It describes the current state-of-the-art regarding levels of characterization and most widely used technologies, selected applications of high-throughput glycomics in deciphering glycosylation process in healthy and disease states, as well as future perspectives.
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Affiliation(s)
| | | | - Bram Heijs
- Center
for Proteomics and Metabolomics, Leiden
University Medical Center, PO Box 9600, 2300 RC Leiden, The Netherlands
| | - Tea Petrović
- Genos,
Glycoscience Research Laboratory, Borongajska cesta 83H, 10 000 Zagreb, Croatia
| | - Helena Deriš
- Genos,
Glycoscience Research Laboratory, Borongajska cesta 83H, 10 000 Zagreb, Croatia
| | - Manfred Wuhrer
- Center
for Proteomics and Metabolomics, Leiden
University Medical Center, PO Box 9600, 2300 RC Leiden, The Netherlands
| | - Gordan Lauc
- Genos,
Glycoscience Research Laboratory, Borongajska cesta 83H, 10 000 Zagreb, Croatia
- Faculty
of Pharmacy and Biochemistry, University
of Zagreb, A. Kovačića 1, 10 000 Zagreb, Croatia
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4
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Mouse tissue glycome atlas 2022 highlights inter-organ variation in major N-glycan profiles. Sci Rep 2022; 12:17804. [PMID: 36280747 PMCID: PMC9592591 DOI: 10.1038/s41598-022-21758-4] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2022] [Accepted: 09/30/2022] [Indexed: 01/19/2023] Open
Abstract
This study presents "mouse tissue glycome atlas" representing the profiles of major N-glycans of mouse glycoproteins that may define their essential functions in the surface glycocalyx of mouse organs/tissues and serum-derived extracellular vesicles (exosomes). Cell surface glycocalyx composed of a variety of N-glycans attached covalently to the membrane proteins, notably characteristic "N-glycosylation patterns" of the glycocalyx, plays a critical role for the regulation of cell differentiation, cell adhesion, homeostatic immune response, and biodistribution of secreted exosomes. Given that the integrity of cell surface glycocalyx correlates significantly with maintenance of the cellular morphology and homeostatic immune functions, dynamic alterations of N-glycosylation patterns in the normal glycocalyx caused by cellular abnormalities may serve as highly sensitive and promising biomarkers. Although it is believed that inter-organs variations in N-glycosylation patterns exist, information of the glycan diversity in mouse organs/tissues remains to be elusive. Here we communicate for the first-time N-glycosylation patterns of 16 mouse organs/tissues, serum, and serum-derived exosomes of Slc:ddY mice using an established solid-phase glycoblotting platform for the rapid, easy, and high throughput MALDI-TOFMS-based quantitative glycomics. The present results elicited occurrence of the organ/tissue-characteristic N-glycosylation patterns that can be discriminated to each other. Basic machine learning analysis using this N-glycome dataset enabled classification between 16 mouse organs/tissues with the highest F1 score (69.7-100%) when neural network algorithm was used. A preliminary examination demonstrated that machine learning analysis of mouse lung N-glycome dataset by random forest algorithm allows for the discrimination of lungs among the different mouse strains such as the outbred mouse Slc:ddY, inbred mouse DBA/2Crslc, and systemic lupus erythematosus model mouse MRL-lpr/lpr with the highest F1 score (74.5-83.8%). Our results strongly implicate importance of "human organ/tissue glycome atlas" for understanding the crucial and diversified roles of glycocalyx determined by the organ/tissue-characteristic N-glycosylation patterns and the discovery research for N-glycome-based disease-specific biomarkers and therapeutic targets.
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5
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Mukherjee S, Jana S, Khawas S, Kicuntod J, Marschall M, Ray B, Ray S. Synthesis, molecular features and biological activities of modified plant polysaccharides. Carbohydr Polym 2022; 289:119299. [DOI: 10.1016/j.carbpol.2022.119299] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2022] [Revised: 02/23/2022] [Accepted: 02/24/2022] [Indexed: 12/17/2022]
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6
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Agrawal M, Allin KH, Petralia F, Colombel JF, Jess T. Multiomics to elucidate inflammatory bowel disease risk factors and pathways. Nat Rev Gastroenterol Hepatol 2022; 19:399-409. [PMID: 35301463 PMCID: PMC9214275 DOI: 10.1038/s41575-022-00593-y] [Citation(s) in RCA: 64] [Impact Index Per Article: 32.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 02/21/2022] [Indexed: 02/07/2023]
Abstract
Inflammatory bowel disease (IBD) is an immune-mediated disease of the intestinal tract, with complex pathophysiology involving genetic, environmental, microbiome, immunological and potentially other factors. Epidemiological data have provided important insights into risk factors associated with IBD, but are limited by confounding, biases and data quality, especially when pertaining to risk factors in early life. Multiomics platforms provide granular high-throughput data on numerous variables simultaneously and can be leveraged to characterize molecular pathways and risk factors for chronic diseases, such as IBD. Herein, we describe omics platforms that can advance our understanding of IBD risk factors and pathways, and available omics data on IBD and other relevant diseases. We highlight knowledge gaps and emphasize the importance of birth, at-risk and pre-diagnostic cohorts, and neonatal blood spots in omics analyses in IBD. Finally, we discuss network analysis, a powerful bioinformatics tool to assemble high-throughput data and derive clinical relevance.
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Affiliation(s)
- Manasi Agrawal
- The Henry D. Janowitz Division of Gastroenterology, Icahn School of Medicine at Mount Sinai, New York, NY, USA.
- Center for Molecular Prediction of Inflammatory Bowel Disease, Department of Clinical Medicine, Aalborg University, Copenhagen, Denmark.
| | - Kristine H Allin
- Center for Molecular Prediction of Inflammatory Bowel Disease, Department of Clinical Medicine, Aalborg University, Copenhagen, Denmark
- Department of Gastroenterology and Hepatology, Aalborg University Hospital, Aalborg, Denmark
| | - Francesca Petralia
- Department of Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Jean-Frederic Colombel
- The Henry D. Janowitz Division of Gastroenterology, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Tine Jess
- Center for Molecular Prediction of Inflammatory Bowel Disease, Department of Clinical Medicine, Aalborg University, Copenhagen, Denmark
- Department of Gastroenterology and Hepatology, Aalborg University Hospital, Aalborg, Denmark
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7
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Recent advances and trends in sample preparation and chemical modification for glycan analysis. J Pharm Biomed Anal 2022; 207:114424. [PMID: 34653745 DOI: 10.1016/j.jpba.2021.114424] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2021] [Revised: 10/05/2021] [Accepted: 10/05/2021] [Indexed: 12/26/2022]
Abstract
Growing significance of glycosylation in protein functions has accelerated the development of methodologies for detection, identification, and characterization of protein glycosylation. In the past decade, glycobiology research has been advanced by innovative techniques with further progression in the post-genome era. Although significant technical progress has been made in terms of analytical throughput, comprehensiveness, and sensitivity, most methods for glycosylation analysis still require laborious and time-consuming sample preparation tasks. Additionally, sample preparation methods that are focused on specific glycan(s) require an in-depth understanding of various issues in glycobiology. In this review, modern sample preparation and chemical modification methods for the structural and quantitative glycan analyses together with the challenges and advantages of recent sample preparation methods are summarized. The techniques presented herein can facilitate the exploration of biomarkers, understanding of unknown glycan functions, and development of biopharmaceuticals.
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8
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Wang Y, Zhao H, Tao J, Li M, Liu G, Dong W. A new method for purifying N-Glycans released from milk glycoprotein. J Proteomics 2021; 245:104283. [PMID: 34102345 DOI: 10.1016/j.jprot.2021.104283] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2021] [Accepted: 05/30/2021] [Indexed: 10/24/2022]
Abstract
Human milk is the first source of nutrition for infants, which delivers an array of unique bioactive components to offspring. Modern bovine-milk-based infant formulas are good substitutes when mother's milk is not available. As the third most abundant component in human milk, human free oligosaccharides (HMOs) may interference the analysis of total N-glycans on the glycoproteins in human milk. Herein, we combined acetone precipitation protein with the filter aided sample preparation method (FASP) to thoroughly remove HMOs and purify N-glycans. Furthermore, we also compared both N-glycosylation and glycoproteins between human and bovine milk, which may provide new ideas for the composition adjustment of infant formula in the food industry. SIGNIFICANCE: We described a new method, which can successfully remove HMOs, further extract and purify the N-glycans on glycoproteins from pooled human milk for MALDI-TOF MS analysis by applying acetone precipitation and FASP together. We applied the new method to purify the N-glycans from whey proteins in pooled bovine milk and compared the N-glycosylation differences between pooled human and bovine milk by MALDI-TOF MS. We first reported the difference of N-glycan pattern of glycoproteins between pooled bovine and human milk by lectin blotting, and found significant differences in types and abundance of glycoproteins between the two sourced milk.
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Affiliation(s)
- Yue Wang
- College of Basic Medical Sciences, Dalian Medical University, Dalian 116044, Liaoning, China
| | - Henan Zhao
- College of Basic Medical Sciences, Dalian Medical University, Dalian 116044, Liaoning, China
| | - Jia Tao
- Department of Gynaecology and Obstetrics, the First Affiliated Hospital of Jinzhou Medical University, Jinzhou 121000, China
| | - Ming Li
- College of Basic Medical Sciences, Dalian Medical University, Dalian 116044, Liaoning, China
| | - Gang Liu
- College of Basic Medical Sciences, Dalian Medical University, Dalian 116044, Liaoning, China
| | - Weijie Dong
- College of Basic Medical Sciences, Dalian Medical University, Dalian 116044, Liaoning, China.
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9
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Blaschke CRK, McDowell CT, Black AP, Mehta AS, Angel PM, Drake RR. Glycan Imaging Mass Spectrometry: Progress in Developing Clinical Diagnostic Assays for Tissues, Biofluids, and Cells. Clin Lab Med 2021; 41:247-266. [PMID: 34020762 PMCID: PMC8862151 DOI: 10.1016/j.cll.2021.03.005] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
N-glycan imaging mass spectrometry (IMS) can rapidly and reproducibly identify changes in disease-associated N-linked glycosylation that are linked with histopathology features in standard formalin-fixed paraffin-embedded tissue samples. It can detect multiple N-glycans simultaneously and has been used to identify specific N-glycans and carbohydrate structural motifs as possible cancer biomarkers. Recent advancements in instrumentation and sample preparation are also discussed. The tissue N-glycan IMS workflow has been adapted to new glass slide-based assays for effective and rapid analysis of clinical biofluids, cultured cells, and immunoarray-captured glycoproteins for detection of changes in glycosylation associated with disease.
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Affiliation(s)
- Calvin R K Blaschke
- Department of Cell and Molecular Pharmacology, Medical University of South Carolina, 173 Ashley Avenue, BSB 358, Charleston, SC 29425, USA
| | - Colin T McDowell
- Department of Cell and Molecular Pharmacology, Medical University of South Carolina, 173 Ashley Avenue, BSB 358, Charleston, SC 29425, USA
| | - Alyson P Black
- Department of Cell and Molecular Pharmacology, Medical University of South Carolina, 173 Ashley Avenue, BSB 358, Charleston, SC 29425, USA
| | - Anand S Mehta
- Department of Cell and Molecular Pharmacology, Medical University of South Carolina, 173 Ashley Avenue, BSB 358, Charleston, SC 29425, USA
| | - Peggi M Angel
- Department of Cell and Molecular Pharmacology, Medical University of South Carolina, 173 Ashley Avenue, BSB 358, Charleston, SC 29425, USA
| | - Richard R Drake
- Department of Cell and Molecular Pharmacology, Medical University of South Carolina, 173 Ashley Avenue, BSB 358, Charleston, SC 29425, USA.
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10
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Habazin S, Štambuk J, Šimunović J, Keser T, Razdorov G, Novokmet M. Mass Spectrometry-Based Methods for Immunoglobulin G N-Glycosylation Analysis. EXPERIENTIA SUPPLEMENTUM (2012) 2021; 112:73-135. [PMID: 34687008 DOI: 10.1007/978-3-030-76912-3_3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Mass spectrometry and its hyphenated techniques enabled by the improvements in liquid chromatography, capillary electrophoresis, novel ionization, and fragmentation modes are truly a cornerstone of robust and reliable protein glycosylation analysis. Boost in immunoglobulin G (IgG) glycan and glycopeptide profiling demands for both applied biomedical and research applications has brought many new advances in the field in terms of technical innovations, sample preparation, improved throughput, and confidence in glycan structural characterization. This chapter summarizes mass spectrometry basics, focusing on IgG and monoclonal antibody N-glycosylation analysis on several complexity levels. Different approaches, including antibody enrichment, glycan release, labeling, and glycopeptide preparation and purification, are covered and illustrated with recent breakthroughs and examples from the literature omitting excessive theoretical frameworks. Finally, selected highly popular methodologies in IgG glycoanalytics such as liquid chromatography-mass spectrometry and matrix-assisted laser desorption ionization are discussed more thoroughly yet in simple terms making this text a practical starting point either for the beginner in the field or an experienced clinician trying to make sense out of the IgG glycomic or glycoproteomic dataset.
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Affiliation(s)
- Siniša Habazin
- Glycoscience Research Laboratory, Genos Ltd., Zagreb, Croatia
| | - Jerko Štambuk
- Glycoscience Research Laboratory, Genos Ltd., Zagreb, Croatia
| | | | - Toma Keser
- Faculty of Pharmacy and Biochemistry, University of Zagreb, Zagreb, Croatia
| | | | - Mislav Novokmet
- Glycoscience Research Laboratory, Genos Ltd., Zagreb, Croatia.
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11
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Hendel JL, Gardner RA, Spencer DIR. Automation of Immunoglobulin Glycosylation Analysis. EXPERIENTIA SUPPLEMENTUM (2012) 2021; 112:173-204. [PMID: 34687010 DOI: 10.1007/978-3-030-76912-3_5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
The development of reliable, affordable, high-resolution glycomics technologies that can be used for many samples in a high-throughput manner are essential for both the optimization of glycosylation in the biopharmaceutical industry as well as for the advancement of clinical diagnostics based on glycosylation biomarkers. We will use this chapter to review the sample preparation processes that have been used on liquid-handling robots to obtain high-quality glycomics data for both biopharmaceutical and clinical antibody samples. This will focus on glycoprotein purification, followed by glycan or glycopeptide generation, derivatization and enrichment. The use of liquid-handling robots for glycomics studies on other sample types beyond antibodies will not be discussed here. We will summarize our thoughts on the current status of the field and explore the benefits and challenges associated with developing and using automated platforms for sample preparation. Finally, the future outlook for the automation of glycomics will be discussed along with a projected impact on the field in general.
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Affiliation(s)
- Jenifer L Hendel
- Ludger Limited, Culham Science Centre, Abingdon, Oxfordshire, UK
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12
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Higashi M, Yoshimura T, Usui N, Kano Y, Deguchi A, Tanabe K, Uchimura Y, Kuriyama S, Suzuki Y, Masaki T, Ikenaka K. A Potential Serum N-glycan Biomarker for Hepatitis C Virus-Related Early-Stage Hepatocellular Carcinoma with Liver Cirrhosis. Int J Mol Sci 2020; 21:ijms21238913. [PMID: 33255418 PMCID: PMC7727814 DOI: 10.3390/ijms21238913] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2020] [Revised: 11/20/2020] [Accepted: 11/21/2020] [Indexed: 02/07/2023] Open
Abstract
Detection of early-stage hepatocellular carcinoma (HCC) is beneficial for prolonging patient survival. However, the serum markers currently used show limited ability to identify early-stage HCC. In this study, we explored human serum N-glycans as sensitive markers to diagnose HCC in patients with cirrhosis. Using a simplified fluorescence-labeled N-glycan preparation method, we examined non-sialylated and sialylated N-glycan profiles from 71 healthy controls and 111 patients with hepatitis and/or liver cirrhosis (LC) with or without HCC. We found that the level of serum N-glycan A2G1(6)FB, a biantennary N-glycan containing core fucose and bisecting GlcNAc residues, was significantly higher in hepatitis C virus (HCV)-infected cirrhotic patients with HCC than in those without HCC. In addition, A2G1(6)FB was detectable in HCV-infected patients with early-stage HCC and could be a more accurate marker than alpha-fetoprotein (AFP) or protein induced by vitamin K absence or antagonists-II (PIVKA-II). Moreover, there was no apparent correlation between the levels of A2G1(6)FB and those of AFP or PIVKA-II. Thus, simultaneous use of A2G1(6)FB and traditional biomarkers could improve the accuracy of HCC diagnosis in HCV-infected patients with LC, suggesting that A2G1(6)FB may be a reliable biomarker for early-stage HCC patients.
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Affiliation(s)
- Mikito Higashi
- Division of Neurobiology and Bioinformatics, National Institute for Physiological Sciences, National Institutes of Natural Sciences, Okazaki, Aichi 444-8787, Japan; (M.H.); (Y.K.)
- Mitsubishi Chemical Group Science and Technology Research Center, Yokohama, Kanagawa 227-8502, Japan;
| | - Takeshi Yoshimura
- Division of Neurobiology and Bioinformatics, National Institute for Physiological Sciences, National Institutes of Natural Sciences, Okazaki, Aichi 444-8787, Japan; (M.H.); (Y.K.)
- Department of Physiological Sciences, School of Life Sciences, SOKENDAI (The Graduate University for Advanced Studies), Hayama, Kanagawa 240-0193, Japan
- Department of Child Development and Molecular Brain Science, United Graduate School of Child Development, Osaka University, Suita, Osaka 565-0871, Japan
- Correspondence:
| | - Noriyoshi Usui
- Department of Neuroscience and Cell Biology, Graduate School of Medicine, Osaka University, Suita, Osaka 565-0871, Japan;
- Addiction Research Unit, Osaka Psychiatric Research Center, Osaka Psychiatric Medical Center, Osaka 541-8567, Japan
| | - Yuichiro Kano
- Division of Neurobiology and Bioinformatics, National Institute for Physiological Sciences, National Institutes of Natural Sciences, Okazaki, Aichi 444-8787, Japan; (M.H.); (Y.K.)
| | - Akihiro Deguchi
- Department of Gastroenterology and Neurology, Faculty of Medicine, Kagawa University, Kita-gun, Kagawa 761-0793, Japan; (A.D.); (T.M.)
| | - Kazuhiro Tanabe
- Mitsubishi Chemical Group Science and Technology Research Center, Yokohama, Kanagawa 227-8502, Japan;
| | - Youichi Uchimura
- Mitsubishi Chemical Group Science and Technology Research Center, Yokohama, Kanagawa 227-8502, Japan;
| | - Shigeki Kuriyama
- Department of Gastroenterology and Neurology, Faculty of Medicine, Kagawa University, Kita-gun, Kagawa 761-0793, Japan; (A.D.); (T.M.)
| | - Yasuyuki Suzuki
- Department of Gastroenterological Surgery, Faculty of Medicine, Kagawa University, Kita-gun, Kagawa 761-0793, Japan;
| | - Tsutomu Masaki
- Department of Gastroenterology and Neurology, Faculty of Medicine, Kagawa University, Kita-gun, Kagawa 761-0793, Japan; (A.D.); (T.M.)
| | - Kazuhiro Ikenaka
- Division of Neurobiology and Bioinformatics, National Institute for Physiological Sciences, National Institutes of Natural Sciences, Okazaki, Aichi 444-8787, Japan; (M.H.); (Y.K.)
- Department of Physiological Sciences, School of Life Sciences, SOKENDAI (The Graduate University for Advanced Studies), Hayama, Kanagawa 240-0193, Japan
- Correspondence:
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13
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Fuertes-Martín R, Correig X, Vallvé JC, Amigó N. Title: Human Serum/Plasma Glycoprotein Analysis by 1H-NMR, an Emerging Method of Inflammatory Assessment. J Clin Med 2020; 9:E354. [PMID: 32012794 PMCID: PMC7073769 DOI: 10.3390/jcm9020354] [Citation(s) in RCA: 50] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2019] [Revised: 01/13/2020] [Accepted: 01/17/2020] [Indexed: 12/17/2022] Open
Abstract
Several studies suggest that variations in the concentration of plasma glycoproteins can influence cellular changes in a large number of diseases. In recent years, proton nuclear magnetic resonance (1H-NMR) has played a major role as an analytical tool for serum and plasma samples. In recent years, there is an increasing interest in the characterization of glycoproteins through 1H-NMR in order to search for reliable and robust biomarkers of disease. The objective of this review was to examine the existing studies in the literature related to the study of glycoproteins from an analytical and clinical point of view. There are currently several techniques to characterize circulating glycoproteins in serum or plasma, but in this review, we focus on 1H-NMR due to its great robustness and recent interest in its translation to the clinical setting. In fact, there is already a marker in H-NMR representing the acetyl groups of the glycoproteins, GlycA, which has been increasingly studied in clinical studies. A broad search of the literature was performed showing a general consensus that GlycA is a robust marker of systemic inflammation. The results also suggested that GlycA better captures systemic inflammation even more than C-reactive protein (CRP), a widely used classical inflammatory marker. The applications reviewed here demonstrated that GlycA was potentially a key biomarker in a wide range of diseases such as cancer, metabolic diseases, cardiovascular risk, and chronic inflammatory diseases among others. The profiling of glycoproteins through 1H-NMR launches an encouraging new paradigm for its future incorporation in clinical diagnosis.
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Affiliation(s)
- Rocío Fuertes-Martín
- Biosfer Teslab SL, 43201 Reus, Spain; (R.F.-M.); (N.A.)
- Metabolomic s platform, IISPV, CIBERDEM, Rovira i Virgili University, 43007 Tarragona, Spain
| | - Xavier Correig
- Metabolomic s platform, IISPV, CIBERDEM, Rovira i Virgili University, 43007 Tarragona, Spain
| | - Joan-Carles Vallvé
- Metabolomic s platform, IISPV, CIBERDEM, Rovira i Virgili University, 43007 Tarragona, Spain
- Lipids and Arteriosclerosis Research Unit, Sant Joan de Reus University Hospital, 43201 Reus, Spain
| | - Núria Amigó
- Biosfer Teslab SL, 43201 Reus, Spain; (R.F.-M.); (N.A.)
- Metabolomic s platform, IISPV, CIBERDEM, Rovira i Virgili University, 43007 Tarragona, Spain
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14
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Verhelst X, Dias AM, Colombel JF, Vermeire S, Van Vlierberghe H, Callewaert N, Pinho SS. Protein Glycosylation as a Diagnostic and Prognostic Marker of Chronic Inflammatory Gastrointestinal and Liver Diseases. Gastroenterology 2020; 158:95-110. [PMID: 31626754 DOI: 10.1053/j.gastro.2019.08.060] [Citation(s) in RCA: 79] [Impact Index Per Article: 19.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/09/2019] [Revised: 08/03/2019] [Accepted: 08/23/2019] [Indexed: 12/16/2022]
Abstract
Glycans are sequences of carbohydrates that are added to proteins or lipids to modulate their structure and function. Glycans modify proteins required for regulation of immune cells, and alterations have been associated with inflammatory conditions. For example, specific glycans regulate T-cell activation, structures, and functions of immunoglobulins; interactions between microbes and immune and epithelial cells; and malignant transformation in the intestine and liver. We review the effects of protein glycosylation in regulation of gastrointestinal and liver functions, and how alterations in glycosylation serve as diagnostic or prognostic factors, or as targets for therapy.
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Affiliation(s)
- Xavier Verhelst
- Department of Gastroenterology and Hepatology, Ghent University Hospital, Ghent, Belgium
| | - Ana M Dias
- Institute of Molecular Pathology and Immunology, University of Porto, Porto, Portugal; Institute for Research and Innovation in Health, University of Porto, Porto, Portugal
| | | | - Severine Vermeire
- Translational Research in Gastrointestinal Disorders, Department of Clinical and Experimental Medicine, Katholieke Universiteit Leuven, Leuven, Belgium; Department of Gastroenterology and Hepatology, University Hospitals Leuven, Katholieke Universiteit Leuven, Leuven, Belgium
| | - Hans Van Vlierberghe
- Department of Gastroenterology and Hepatology, Ghent University Hospital, Ghent, Belgium
| | - Nico Callewaert
- Vlaams Instituut voor Biotechnologie-UGent Center for Medical Biotechnology, Gent, Belgium
| | - Salomé S Pinho
- Institute of Molecular Pathology and Immunology, University of Porto, Porto, Portugal; Institute for Research and Innovation in Health, University of Porto, Porto, Portugal; Medical Faculty, University of Porto, Porto, Portugal.
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15
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Serum N-glycan profiling is a potential biomarker for castration-resistant prostate cancer. Sci Rep 2019; 9:16761. [PMID: 31727974 PMCID: PMC6856113 DOI: 10.1038/s41598-019-53384-y] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2019] [Accepted: 10/31/2019] [Indexed: 12/20/2022] Open
Abstract
We investigated the diagnostic and prognostic potential of serum N-glycan profiling for castration-resistant prostate cancer (CRPC). We retrospectively investigated serum N-glycan structural analysis by glycoblotting for 287 patients with benign prostatic hyperplasia (BPH), 289 patients with newly diagnosed prostate cancer (PC), 57 patients with PC treated with androgen-deprivation therapy without disease progression (PC-ADT), and 60 patients with CRPC. N-Glycan profiling was compared between the non-CRPC (BPH, newly diagnosed PC and PC-ADT) and CRPC patients. We obtained the quantitative score for CRPC (CRPC N-glycan score) by discriminant analysis based on the combination of 9 N-glycans that were significantly associated with CRPC. The median CRPC N-glycan score was found to be significantly greater in CRPC patients than in non-CRPC patients. The CRPC N-glycan score could classify CRPC patients with sensitivity, specificity, and area under the curve of 87%, 69%, and 0.88, respectively. The CRPC N-glycan score >1.7 points was significantly associated with poor prognosis in patients with CRPC. The glycoprotein analysis showed that not immunoglobulins but α-1-acid glycoprotein (AGP) were a potential candidate for the carrier protein of N-glycans. The overexpression of specific N-glycans may be associated with their castration-resistant status and be a potential biomarker for CRPC.
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16
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Mahmoud ME, Rehan IF, El-Dawy Ahmed K, Abdelrahman A, Mohammadi S, Abou-Elnaga AF, Youssef M, Diab HM, Salman D, Elnagar A, Mohammed HH, Shanab O, Ibrahim RM, Ahmed EKH, Hesham AEL, Gupta A. Identification of serum N-glycoproteins as a biological correlate underlying chronic stress response in mice. Mol Biol Rep 2019; 46:2733-2748. [PMID: 30915686 DOI: 10.1007/s11033-019-04717-7] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2018] [Accepted: 02/23/2019] [Indexed: 12/11/2022]
Abstract
Glycosylation is a post-translational protein modification in eukaryotes and plays an important role in controlling several diseases. N-glycan structure is emerging as a new paradigm for biomarker discovery of neuropsychiatric disorders. However, the relationship between N-glycosylation pattern and depression is not well elucidated to date. This study aimed to explore whether serum N-glycan structures are altered in depressive-like behavior using a stress based mouse model. We used two groups of BALB/c mice; (i) treated group exposed to chronic unpredictable mild stress (CUMS) as a model of depression, and (ii) control group. Behavioral tests in mice (e.g., sucrose preference test, forced swimming test, and fear conditioning test) were used to evaluate the threshold level to which mice displayed a depressive-like phenotype. Serum N-glycans were analyzed carefully using glycoblotting followed by Matrix-assisted laser desorption ionization-time of flight/mass spectrometry (MALDI-TOF/MS) to exhibit N-glycan expression levels and to illustrate the changes in the N-glycome profile. N-glycan expression levels were commonly altered in the depressive-like model and correlated well with the behavioral data. Our results indicated that sialylated N-glycan was identified as a biomarker associated with depressive symptoms, which may have utility as a candidate biomarker for the clinical diagnosis and monitoring of depression.
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Affiliation(s)
- Motamed Elsayed Mahmoud
- Department of Animal Behavior and Husbandry, Faculty of Veterinary Medicine, Sohag University, Sohag, 82524, Egypt.
| | - Ibrahim F Rehan
- Department of Animal Behavior and Husbandry, Faculty of Veterinary Medicine, South Valley University, Qena, 83523, Egypt.
| | - Kh El-Dawy Ahmed
- Department of Biochemistry, Faculty of Veterinary Medicine, Zagazig University, El-Zeraa Street, 114, Zagazig, 44511, Egypt
| | - Amany Abdelrahman
- Department of Physiology, Faculty of Medicine, Sohag University, Sohag, 82524, Egypt
| | - Saeed Mohammadi
- Department of Tissue Engineering and Applied Cell Sciences, University of Medical Sciences, Tehran, 1985711151, Iran.,Biointerfaces Institute, McMaster University, 1280 Main St W, Hamilton, ON, L8S 0A3, Canada
| | - Ahmed F Abou-Elnaga
- Department of Husbandry and Development of Animal Wealth, Faculty of Veterinary Medicine, Mansoura University, Mansoura, 35516, Egypt
| | - Mohammed Youssef
- Department of Animal Physiology, Faculty of Veterinary Medicine, South Valley University, Qena, 83523, Egypt
| | - Hassan Mahmoud Diab
- Department of Animal Hygiene, Faculty of Veterinary Medicine, South Valley University, Qena, 83523, Egypt
| | - Doaa Salman
- Department of Animal Medicine, Faculty of Veterinary Medicine, Sohag University, Sohag, 82524, Egypt
| | - Asmaa Elnagar
- Department of Biochemistry, Faculty of Veterinary Medicine, Zagazig University, El-Zeraa Street, 114, Zagazig, 44511, Egypt
| | - Hesham H Mohammed
- Department of Veterinary Public Health, Faculty of Veterinary Medicine, Zagazig University, El-Zeraa Street, 114, Zagazig, 44511, Egypt
| | - Obeid Shanab
- Department of Biochemistry, Faculty of Veterinary Medicine, South Valley University, Qena, 83523, Egypt
| | - Rawia M Ibrahim
- Clinical Laboratory Diagnosis, Department of Animal Medicine, Faculty of Veterinary Medicine, South Valley University, Qena, 83523, Egypt
| | - Eslam K H Ahmed
- Department of Animal Behavior and Husbandry, Faculty of Veterinary Medicine, South Valley University, Qena, 83523, Egypt
| | - Abd El-Latif Hesham
- Genetics Department, Faculty of Agriculture, Assiut University, Assiut, 71516, Egypt.
| | - Arti Gupta
- Department of Zoology, Sri Avadh Raj Singh Smarak Degree College, Gonda, India
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17
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Sanes JT, Hinou H, Lee YC, Nishimura SI. Glycoblotting of Egg White Reveals Diverse N-Glycan Expression in Quail Species. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2019; 67:531-540. [PMID: 30537828 DOI: 10.1021/acs.jafc.8b04782] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
The glycan part of glycoproteins is known to be involved in the structure and modulatory functions of glycoproteins, serving as ligands for cell-to-cell interactions, and as specific ligands for cell-to-microbe interactions. It is believed that intraspecies and interspecies variations in glycosylation exist. As an approach to better understand glycan diversity, egg whites (EW) from four different quail species are studied by the well-established glycoblotting procedure, a glycan enrichment and analysis method. N-Glycans were classified and the profiles were established for quail egg white samples which showed 21 relevant glycan peaks; 18 peaks were expressed significantly, and 10 glycan peaks are found to be abundant in certain species. The result establishes glycan profiles for Blue Scaled, Bobwhite, Japanese, and Mountain Quail egg whites and shows a unique difference among glycan expressions, particularly, high mannose in Japanese Quail and tetra-antennary glycan structure for other quail species.
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Affiliation(s)
- Jurgen T Sanes
- Faculty of Advanced Life Science and Graduate School of Life Science , Hokkaido University , N21, W11, Kita-ku , Sapporo 001-0021 , Japan
| | - Hiroshi Hinou
- Faculty of Advanced Life Science and Graduate School of Life Science , Hokkaido University , N21, W11, Kita-ku , Sapporo 001-0021 , Japan
| | - Yuan Chuan Lee
- Biology Department , Johns Hopkins University , 3400 North Charles Street , Baltimore , Maryland 21218 , United States
| | - Shin-Ichiro Nishimura
- Faculty of Advanced Life Science and Graduate School of Life Science , Hokkaido University , N21, W11, Kita-ku , Sapporo 001-0021 , Japan
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18
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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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19
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Furukawa T, Hinou H, Takeda S, Chiba H, Nishimura SI, Hui SP. An Efficient Glycoblotting-Based Analysis of Oxidized Lipids in Liposomes and a Lipoprotein. Chembiochem 2017; 18:1903-1909. [PMID: 28779513 DOI: 10.1002/cbic.201700384] [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: 07/18/2017] [Indexed: 11/07/2022]
Abstract
Although widely occurring lipid oxidation, which is triggered by reactive oxygen species (ROS), produces a variety of oxidized lipids, practical methods to efficiently analyze oxidized lipids remain elusive. Herein, it is shown that the glycoblotting platform can be used to analyze oxidized lipids. Analysis is based on the principle that lipid aldehydes, one of the oxidized lipid species, can be captured selectively, enriched, and detected. Moreover, 3-methyl-1-p-tolyltriazene (MTT) methylates phosphoric and carboxylic acids, and this MTT-mediated methylation is, in combination with conventional tandem mass spectrometry (MS/MS) analysis, an effective method for the structural analysis of oxidized lipids. By using three classes of standards, liposomes, and a lipoprotein, it is demonstrated that glycoblotting represents a powerful approach for focused lipidomics, even in complex macromolecules.
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Affiliation(s)
- Takayuki Furukawa
- Graduate School of Health Science, Hokkaido University, N12 W5, Kita-ku, Sapporo, 0600812, Japan
| | - Hiroshi Hinou
- Graduate School of Life Science, Hokkaido University, N21 W11, Kita-ku, Sapporo, 0010021, Japan
| | - Seiji Takeda
- Graduate School of Health Science, Hokkaido University, N12 W5, Kita-ku, Sapporo, 0600812, Japan
| | - Hitoshi Chiba
- Graduate School of Health Science, Hokkaido University, N12 W5, Kita-ku, Sapporo, 0600812, Japan
| | - Shin-Ichiro Nishimura
- Graduate School of Life Science, Hokkaido University, N21 W11, Kita-ku, Sapporo, 0010021, Japan
| | - Shu-Ping Hui
- Graduate School of Health Science, Hokkaido University, N12 W5, Kita-ku, Sapporo, 0600812, Japan
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20
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Noro D, Yoneyama T, Hatakeyama S, Tobisawa Y, Mori K, Hashimoto Y, Koie T, Tanaka M, Nishimura SI, Sasaki H, Saito M, Harada H, Chikaraishi T, Ishida H, Tanabe K, Satoh S, Ohyama C. Serum Aberrant N-Glycan Profile as a Marker Associated with Early Antibody-Mediated Rejection in Patients Receiving a Living Donor Kidney Transplant. Int J Mol Sci 2017; 18:ijms18081731. [PMID: 28786963 PMCID: PMC5578121 DOI: 10.3390/ijms18081731] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2017] [Revised: 08/01/2017] [Accepted: 08/07/2017] [Indexed: 02/03/2023] Open
Abstract
We determined if the serum N-glycan profile can be used as a diagnostic marker of antibody-mediated rejection (ABMR) in living donor kidney transplant (LKTx) recipients. Glycoblotting, combined with mass spectrometry, was used to retrospectively examine N-glycan levels in the postoperative sera of 197 LKTx recipients of whom 16 recipients had ABMR with or without T-cell-mediated rejection (TCMR), 40 recipients had TCMR, and 141 recipients had no adverse events. Multivariate discriminant analysis for prediction of ABMR was performed by inputting an ABMR event as an explanatory variable and sex, age, and serum N-glycan level as objective variables. The N-glycan score was calculated by multiplying the level of candidate objective variables by objective function values. The ABMR predictive performance of the N-glycan score was assessed by receiver operator characteristic curve and Kaplan-Meier curve analyses. The N-glycan score discriminated ABMR with 81.25% sensitivity, 87.85% specificity, and an area under the curve (AUC) of 0.892 that was far superior to that of preformed donor-specific antibody status (AUC, 0.761). Recipients with N-glycan-positive scores >0.8770 had significantly shorter ABMR survival than that of recipients with N-glycan-negative scores. Although the limitations of our study includ its small sample size and retrospective nature, the serum N-glycan score may contribute to prediction of ABMR.
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Affiliation(s)
- Daisuke Noro
- Department of Urology, Hirosaki University Graduate School of Medicine, Hirosaki 036-8562, Japan.
| | - Tohru Yoneyama
- Department of Urology, Hirosaki University Graduate School of Medicine, Hirosaki 036-8562, Japan.
- Department of Advanced Transplant and Regenerative Medicine, Hirosaki University Graduate School of Medicine, Hirosaki 036-8562, Japan.
| | - Shingo Hatakeyama
- Department of Urology, Hirosaki University Graduate School of Medicine, Hirosaki 036-8562, Japan.
| | - Yuki Tobisawa
- Department of Urology, Hirosaki University Graduate School of Medicine, Hirosaki 036-8562, Japan.
| | - Kazuyuki Mori
- Department of Urology, Hirosaki University Graduate School of Medicine, Hirosaki 036-8562, Japan.
| | - Yasuhiro Hashimoto
- Department of Advanced Transplant and Regenerative Medicine, Hirosaki University Graduate School of Medicine, Hirosaki 036-8562, Japan.
| | - Takuya Koie
- Department of Urology, Hirosaki University Graduate School of Medicine, Hirosaki 036-8562, Japan.
| | - Masakazu Tanaka
- Graduate School of Life Science, Frontier Research Center for Advanced Material and Life Science, Hokkaido University, Sapporo 060-0810, Japan.
| | - Shin-Ichiro Nishimura
- Graduate School of Life Science, Frontier Research Center for Advanced Material and Life Science, Hokkaido University, Sapporo 060-0810, Japan.
| | - Hideo Sasaki
- Department of Urology, St. Marianna University of Medicine, Kawasaki 216-8511, Japan.
| | - Mitsuru Saito
- Department of Urology, Akita University Graduate School of Medicine, Akita 010-8543, Japan.
| | - Hiroshi Harada
- Department of Kidney Transplant Surgery, Sapporo City General Hospital, Sapporo 060-8611, Japan.
| | - Tatsuya Chikaraishi
- Department of Urology, St. Marianna University of Medicine, Kawasaki 216-8511, Japan.
| | - Hideki Ishida
- Department of Urology, Tokyo-Woman's Medical University, Tokyo 162-8666, Japan.
| | - Kazunari Tanabe
- Department of Urology, Tokyo-Woman's Medical University, Tokyo 162-8666, Japan.
| | - Shigeru Satoh
- Department of Urology, Akita University Graduate School of Medicine, Akita 010-8543, Japan.
| | - Chikara Ohyama
- Department of Urology, Hirosaki University Graduate School of Medicine, Hirosaki 036-8562, Japan.
- Department of Advanced Transplant and Regenerative Medicine, Hirosaki University Graduate School of Medicine, Hirosaki 036-8562, Japan.
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21
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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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22
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Albrecht S, Vainauskas S, Stöckmann H, McManus C, Taron CH, Rudd PM. Comprehensive Profiling of Glycosphingolipid Glycans Using a Novel Broad Specificity Endoglycoceramidase in a High-Throughput Workflow. Anal Chem 2016; 88:4795-802. [PMID: 27033327 DOI: 10.1021/acs.analchem.6b00259] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
The biological function of glycosphingolipids (GSLs) is largely determined by their glycan headgroup moiety. This has placed a renewed emphasis on detailed GSL headgroup structural analysis. Comprehensive profiling of GSL headgroups in biological samples requires the use of endoglycoceramidases with broad substrate specificity and a robust workflow that enables their high-throughput analysis. We present here the first high-throughput glyco-analytical platform for GSL headgroup profiling. The workflow features enzymatic release of GSL glycans with a novel broad-specificity endoglycoceramidase I (EGCase I) from Rhodococcus triatomea, selective glycan capture on hydrazide beads on a robotics platform, 2AB-fluorescent glycan labeling, and analysis by UPLC-HILIC-FLD. R. triatomea EGCase I displayed a wider specificity than known EGCases and was able to efficiently hydrolyze gangliosides, globosides, (n)Lc-type GSLs, and cerebrosides. Our workflow was validated on purified GSL standard lipids and was applied to the characterization of GSLs extracted from several mammalian cell lines and human serum. This study should facilitate the analytical workflow in functional glycomics studies and biomarker discovery.
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Affiliation(s)
- Simone Albrecht
- NIBRT GlycoScience Group, National Institute for Bioprocessing, Research and Training , Fosters Avenue, Mount Merrion, Blackrock, Dublin 4, Ireland
| | | | - Henning Stöckmann
- NIBRT GlycoScience Group, National Institute for Bioprocessing, Research and Training , Fosters Avenue, Mount Merrion, Blackrock, Dublin 4, Ireland
| | - Ciara McManus
- NIBRT GlycoScience Group, National Institute for Bioprocessing, Research and Training , Fosters Avenue, Mount Merrion, Blackrock, Dublin 4, Ireland
| | | | - Pauline M Rudd
- NIBRT GlycoScience Group, National Institute for Bioprocessing, Research and Training , Fosters Avenue, Mount Merrion, Blackrock, Dublin 4, Ireland
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23
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Aich U, Lakbub J, Liu A. State-of-the-art technologies for rapid and high-throughput sample preparation and analysis ofN-glycans from antibodies. Electrophoresis 2016; 37:1468-88. [DOI: 10.1002/elps.201500551] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2015] [Revised: 01/15/2016] [Accepted: 01/17/2016] [Indexed: 11/08/2022]
Affiliation(s)
- Udayanath Aich
- Biopharmaceutical Analytical Sciences; Biopharmaceutical Development, GlaxoSmithKline; King of Prussia PA USA
| | - Jude Lakbub
- Biopharmaceutical Analytical Sciences; Biopharmaceutical Development, GlaxoSmithKline; King of Prussia PA USA
| | - Aston Liu
- Biopharmaceutical Analytical Sciences; Biopharmaceutical Development, GlaxoSmithKline; King of Prussia PA USA
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24
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Gizaw ST, Ohashi T, Tanaka M, Hinou H, Nishimura SI. Glycoblotting method allows for rapid and efficient glycome profiling of human Alzheimer's disease brain, serum and cerebrospinal fluid towards potential biomarker discovery. Biochim Biophys Acta Gen Subj 2016; 1860:1716-27. [PMID: 26968461 DOI: 10.1016/j.bbagen.2016.03.009] [Citation(s) in RCA: 56] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2016] [Revised: 03/04/2016] [Accepted: 03/04/2016] [Indexed: 11/25/2022]
Abstract
BACKGROUND Understanding of the significance of posttranslational glycosylation in Alzheimer's disease (AD) is of growing importance for the investigation of the pathogenesis of AD as well as discovery research of the disease-specific serum biomarkers. METHODS We designed a standard protocol for the glycoblotting combined with MALDI-TOFMS to perform rapid and quantitative profiling of the glycan parts of glycoproteins (N-glycans) and glycosphingolipids (GSLs) using human AD's post-mortem samples such as brain tissues (dissected cerebral cortices such as frontal, parietal, occipital, and temporal domains), serum and cerebrospinal fluid (CSF). RESULTS The structural profiles of the major N-glycans released from glycoproteins and the total expression levels of the glycans were found to be mostly similar between the brain tissues of the AD patients and those of the normal control group. In contrast, the expression levels of the serum and CSF protein N-glycans such as bisect-type and multiply branched glycoforms were increased significantly in AD patient group. In addition, the levels of some gangliosides such as GM1, GM2 and GM3 appeared to alter in the AD patient brain and serum samples when compared with the normal control groups. CONCLUSION Alteration of the expression levels of major N- and GSL-glycans in human brain tissues, serum and CSF of AD patients can be monitored quantitatively by means of the glycoblotting-based standard protocols. GENERAL SIGNIFICANCE The changes in the expression levels of the glycans derived from the human post-mortem samples uncovered by the standardized glycoblotting method provides potential serum biomarkers in central nervous system disorders and can contribute to the insight into the molecular mechanisms in the pathogenesis of neurodegenerative diseases and future drug discovery. Most importantly, the present preliminary trials using human post-mortem samples of AD patients suggest that large-scale serum glycomics cohort by means of various-types of human AD patients as well as the normal control sera can facilitate the discovery research of highly sensitive and reliable serum biomarkers for an early diagnosis of AD. This article is part of a Special Issue entitled "Glycans in personalised medicine" Guest Editor: Professor Gordan Lauc.
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Affiliation(s)
- Solomon T Gizaw
- Field of Drug Discovery Research, Faculty of Advanced Life Science and Graduate School of Life Science, Hokkaido University, N21 W11, Sapporo 001-0021, Japan
| | - Tetsu Ohashi
- Medicinal Chemistry Pharmaceuticals, Co., Ltd, N21 W12, Sapporo 001-0021, Japan
| | - Masakazu Tanaka
- Medicinal Chemistry Pharmaceuticals, Co., Ltd, N21 W12, Sapporo 001-0021, Japan
| | - Hiroshi Hinou
- Field of Drug Discovery Research, Faculty of Advanced Life Science and Graduate School of Life Science, Hokkaido University, N21 W11, Sapporo 001-0021, Japan; Medicinal Chemistry Pharmaceuticals, Co., Ltd, N21 W12, Sapporo 001-0021, Japan
| | - Shin-Ichiro Nishimura
- Field of Drug Discovery Research, Faculty of Advanced Life Science and Graduate School of Life Science, Hokkaido University, N21 W11, Sapporo 001-0021, Japan; Medicinal Chemistry Pharmaceuticals, Co., Ltd, N21 W12, Sapporo 001-0021, Japan.
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Rehan IF, Ueda K, Mitani T, Amano M, Hinou H, Ohashi T, Kondo S, Nishimura SI. Large-Scale Glycomics of Livestock: Discovery of Highly Sensitive Serum Biomarkers Indicating an Environmental Stress Affecting Immune Responses and Productivity of Holstein Dairy Cows. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2015; 63:10578-10590. [PMID: 26595672 DOI: 10.1021/acs.jafc.5b04304] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
Because various stresses strongly influence the food productivity of livestock, biomarkers to indicate unmeasurable environmental stress in domestic animals are of increasing importance. Thermal comfort is one of the basic principles of dairy cow welfare that enhances productivity. To discover sensitive biomarkers that monitor such environmental stresses in dairy cows, we herein performed, for the first time, large-scale glycomics on 336 lactating Holstein cow serum samples over 9 months between February and October. Glycoblotting combined with MALDI-TOF/MS and DMB/HPLC allowed for comprehensive glycomics of whole serum glycoproteins. The results obtained revealed seasonal alterations in serum N-glycan levels and their structural characteristics, such as an increase in high-mannose type N-glycans in spring, the occurrence of di/triantennary complex type N-glycans terminating with two or three Neu5Gc residues in summer and autumn, and N-glycans in winter dominantly displaying Neu5Ac. A multivariate analysis revealed a correlation between the serum expression levels of these season-specific glycoforms and productivity.
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Affiliation(s)
- Ibrahim F Rehan
- Faculty of Advanced Life Science and Graduate School of Life Science, Hokkaido University , N21, W11, Kita-ku, Sapporo 001-0021, Japan
- Animal Behaviour and Management Department, Faculty of Veterinary Medicine, South Valley University , Qena 83523, Egypt
| | - Koichiro Ueda
- Animal Production System, Graduate School of Agriculture, Hokkaido University , N9, W9, Sapporo 060-8589, Japan
| | - Tomohiro Mitani
- Animal Production System, Graduate School of Agriculture, Hokkaido University , N9, W9, Sapporo 060-8589, Japan
| | - Maho Amano
- Faculty of Advanced Life Science and Graduate School of Life Science, Hokkaido University , N21, W11, Kita-ku, Sapporo 001-0021, Japan
| | - Hiroshi Hinou
- Faculty of Advanced Life Science and Graduate School of Life Science, Hokkaido University , N21, W11, Kita-ku, Sapporo 001-0021, Japan
| | - Tetsu Ohashi
- Faculty of Advanced Life Science and Graduate School of Life Science, Hokkaido University , N21, W11, Kita-ku, Sapporo 001-0021, Japan
- Medicinal Chemistry Pharmaceuticals Co., Ltd., N21, W12, Kita-ku, Sapporo 001-0021, Japan
| | - Seiji Kondo
- Animal Production System, Graduate School of Agriculture, Hokkaido University , N9, W9, Sapporo 060-8589, Japan
| | - Shin-Ichiro Nishimura
- Faculty of Advanced Life Science and Graduate School of Life Science, Hokkaido University , N21, W11, Kita-ku, Sapporo 001-0021, Japan
- Medicinal Chemistry Pharmaceuticals Co., Ltd., N21, W12, Kita-ku, Sapporo 001-0021, Japan
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Gizaw ST, Koda T, Amano M, Kamimura K, Ohashi T, Hinou H, Nishimura SI. A comprehensive glycome profiling of Huntington's disease transgenic mice. Biochim Biophys Acta Gen Subj 2015; 1850:1704-18. [DOI: 10.1016/j.bbagen.2015.04.006] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2014] [Revised: 03/28/2015] [Accepted: 04/15/2015] [Indexed: 12/13/2022]
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Cao L, Zhang Y, Chen L, Shen A, Zhang X, Ren S, Gu J, Yu L, Liang X. Sample preparation for mass spectrometric analysis of human serum N-glycans using hydrophilic interaction chromatography-based solid phase extraction. Analyst 2015; 139:4538-46. [PMID: 25068150 DOI: 10.1039/c4an00660g] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
Expression levels of N-linked glycans derived from human serum glycoproteins have been shown to change during the progression of many diseases. Generally, N-glycans released from human serum proteins co-exist with endogenous serum peptides, salts, and other contaminants. Effective removal of these contaminants is essential to obtain the glycan profile of human serum proteins. Here, we developed a sample preparation method for mass spectrometry (MS) analysis of N-linked glycans derived from human serum glycoproteins based on a zwitterionic hydrophilic material named Click TE-Cys. The high hydrophilicity of Click TE-Cys, resulting from its unique surface structure and charge distribution, facilitated removal of co-existing salts and endogenous serum peptides. Furthermore, the present enrichment approach was handled in parallel, thus saving time. Using this method, a total of 47 unique N-glycans released from human serum proteins were identified. The intrabatch and interbatch coefficients of variation for the 47 N-linked glycans were 8.57% ± 0.96% and 9.22% ± 1.03%, respectively. These results demonstrate that the present method is suitable for fast purification of N-linked glycans derived from human serum glycoproteins, and has potential for clinical application.
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Affiliation(s)
- Liwei Cao
- Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023, China.
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Gliding Motility of Mycoplasma mobile on Uniform Oligosaccharides. J Bacteriol 2015; 197:2952-7. [PMID: 26148712 DOI: 10.1128/jb.00335-15] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2015] [Accepted: 06/26/2015] [Indexed: 11/20/2022] Open
Abstract
UNLABELLED The binding and gliding of Mycoplasma mobile on a plastic plate covered by 53 uniform oligosaccharides were analyzed. Mycoplasmas bound to and glided on only 21 of the fixed sialylated oligosaccharides (SOs), showing that sialic acid is essential as the binding target. The affinities were mostly consistent with our previous results on the inhibitory effects of free SOs and suggested that M. mobile recognizes SOs from the nonreducing end with four continuous sites as follows. (i and ii) A sialic acid at the nonreducing end is tightly recognized by tandemly connected two sites. (iii) The third site is recognized by a loose groove that may be affected by branches. (iv) The fourth site is recognized by a large groove that may be enhanced by branches, especially those with a negative charge. The cells glided on uniform SOs in manners apparently similar to those of the gliding on mixed SOs. The gliding speed was related inversely to the mycoplasma's affinity for SO, suggesting that the detaching step may be one of the speed determinants. The cells glided faster and with smaller fluctuations on the uniform SOs than on the mixtures, suggesting that the drag caused by the variation in SOs influences gliding behaviors. IMPORTANCE Mycoplasma is a group of bacteria generally parasitic to animals and plants. Some Mycoplasma species form a protrusion at a pole, bind to solid surfaces, and glide in the direction of the protrusion. These procedures are essential for parasitism. Usually, mycoplasmas glide on mixed sialylated oligosaccharides (SOs) derived from glycoprotein and glycolipid. Since gliding motility on uniform oligosaccharides has never been observed, this study gives critical information about recognition and interaction between receptors and SOs.
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Moh ES, Thaysen-Andersen M, Packer NH. Relative versus absolute quantitation in disease glycomics. Proteomics Clin Appl 2015; 9:368-82. [DOI: 10.1002/prca.201400184] [Citation(s) in RCA: 40] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2014] [Revised: 12/21/2014] [Accepted: 02/10/2015] [Indexed: 12/18/2022]
Affiliation(s)
- Edward S.X. Moh
- Department of Chemistry and Biomolecular Sciences; Macquarie University; Sydney Australia
| | | | - Nicolle H. Packer
- Department of Chemistry and Biomolecular Sciences; Macquarie University; Sydney Australia
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Kimura K, Nishimura SI, Miyoshi R, Hoque A, Miyoshi T, Watanabe Y. Application of glyco-blotting for identification of structures of polysaccharides causing membrane fouling in a pilot-scale membrane bioreactor treating municipal wastewater. BIORESOURCE TECHNOLOGY 2015; 179:180-186. [PMID: 25544495 DOI: 10.1016/j.biortech.2014.12.017] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/20/2014] [Revised: 12/03/2014] [Accepted: 12/06/2014] [Indexed: 06/04/2023]
Abstract
A new approach for the analysis of polysaccharides in membrane bioreactor (MBR) is proposed in this study. Enrichment of polysaccharides by glyco-blotting, in which polysaccharides are specifically collected via interactions between the aldehydes in the polysaccharides and aminooxy groups on glycoblotting beads, enabled MALDI-TOF/MS analysis at a high resolution. Structures of polysaccharides extracted from fouled membranes used in a pilot-scale MBR treating municipal wastewater and those in the supernatant of the mixed liquor suspension in the MBR were investigated. It was found that the overlap between polysaccharides found in the supernatants and those extracted from the fouled membrane was rather limited, suggesting that polysaccharides that dominate in supernatants may not be important in membrane fouling in MBRs. Analysis using a bacterial carbohydrate database suggested that capsular polysaccharides (CPS) and/or lipo-polysaccharides (LPS) produced by gram-negative bacteria are key players in the evolution of membrane fouling in MBRs.
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Affiliation(s)
- Katsuki Kimura
- Division of Environmental Engineering, Graduate School of Engineering, Hokkaido University, Sapporo 060-8628, Japan.
| | | | - Risho Miyoshi
- Medicinal Chemistry Pharmaceuticals, LLC, 1-715, N7W4, Kita-ku, Sapporo 060-0807, Japan
| | - Asiful Hoque
- Division of Environmental Engineering, Graduate School of Engineering, Hokkaido University, Sapporo 060-8628, Japan
| | - Taro Miyoshi
- Center for Environmental Nano and Bio Engineering, Hokkaido University, Sapporo 060-8628, Japan
| | - Yoshimasa Watanabe
- Center for Environmental Nano and Bio Engineering, Hokkaido University, Sapporo 060-8628, Japan
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31
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Miura N, Okada T, Murayama D, Hirose K, Sato T, Hashimoto R, Fukushima N. Functional network in posttranslational modifications: Glyco-Net in Glycoconjugate Data Bank. Methods Mol Biol 2015; 1273:149-157. [PMID: 25753709 DOI: 10.1007/978-1-4939-2343-4_11] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
Elucidating pathways related to posttranslational modifications (PTMs) such as glycosylation is of growing importance in post-genome science and technology. Graphical networks describing the relationships among glycan-related molecules, including genes, proteins, lipids, and various biological events, are considered extremely valuable and convenient tools for the systematic investigation of PTMs. Glyco-Net (http://bibi.sci.hokudai.ac.jp/functions/) can dynamically make network figures among various biological molecules and biological events. A certain molecule or event is expressed with a node, and the relationship between the molecule and the event is indicated by arrows in the network figures. In this chapter, we mention the features and current status of the Glyco-Net and a simple example of the search with the Glyco-Net.
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Affiliation(s)
- Nobuaki Miura
- Graduate School of Life Sciences, Hokkaido University, 1-204, Open Laboratory in Central Campus, Sapporo, 060-0812, Japan,
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High-Throughput Analysis and Automation for Glycomics Studies. Chromatographia 2014; 78:321-333. [PMID: 25814696 PMCID: PMC4363487 DOI: 10.1007/s10337-014-2803-9] [Citation(s) in RCA: 70] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2014] [Revised: 10/17/2014] [Accepted: 10/17/2014] [Indexed: 11/12/2022]
Abstract
This review covers advances in analytical technologies for high-throughput (HTP) glycomics. Our focus is on structural studies of glycoprotein glycosylation to support biopharmaceutical realization and the discovery of glycan biomarkers for human disease. For biopharmaceuticals, there is increasing use of glycomics in Quality by Design studies to help optimize glycan profiles of drugs with a view to improving their clinical performance. Glycomics is also used in comparability studies to ensure consistency of glycosylation both throughout product development and between biosimilars and innovator drugs. In clinical studies there is as well an expanding interest in the use of glycomics—for example in Genome Wide Association Studies—to follow changes in glycosylation patterns of biological tissues and fluids with the progress of certain diseases. These include cancers, neurodegenerative disorders and inflammatory conditions. Despite rising activity in this field, there are significant challenges in performing large scale glycomics studies. The requirement is accurate identification and quantitation of individual glycan structures. However, glycoconjugate samples are often very complex and heterogeneous and contain many diverse branched glycan structures. In this article we cover HTP sample preparation and derivatization methods, sample purification, robotization, optimized glycan profiling by UHPLC, MS and multiplexed CE, as well as hyphenated techniques and automated data analysis tools. Throughout, we summarize the advantages and challenges with each of these technologies. The issues considered include reliability of the methods for glycan identification and quantitation, sample throughput, labor intensity, and affordability for large sample numbers.
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A comparison of N-glycan profiles in human plasma and vitreous fluid. Graefes Arch Clin Exp Ophthalmol 2014; 252:1235-43. [DOI: 10.1007/s00417-014-2671-x] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2014] [Revised: 04/30/2014] [Accepted: 05/08/2014] [Indexed: 01/31/2023] Open
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Yang G, Cui T, Wang Y, Sun S, Ma T, Wang T, Chen Q, Li Z. Selective isolation and analysis of glycoprotein fractions and their glycomes from hepatocellular carcinoma sera. Proteomics 2013; 13:1481-98. [PMID: 23436760 DOI: 10.1002/pmic.201200259] [Citation(s) in RCA: 52] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2012] [Revised: 01/29/2013] [Accepted: 02/12/2013] [Indexed: 01/20/2023]
Abstract
As one of the most important post-translational modifications, the discovery, isolation, and identification of glycoproteins are becoming increasingly important. In this study, a Con A-magnetic particle conjugate-based method was utilized to selectively isolate the glycoproteins and their glycomes from the healthy donor and hepatocellular carcinoma (HCC) case sera. The isolated glycoproteins and their N-linked glycans were identified by LC-ESI-MS/MS and MALDI-TOF/TOF-MS, respectively. A total of 93 glycoproteins from the healthy donors and 85 glycoproteins from the HCC cases were identified. There were 34 different glycoproteins shown between the healthy donors (21/34) and the HCC cases (13/34). Twenty-eight glycans from the healthy donors and 30 glycans from the HCC cases were detected and there were 22 different glycans shown between the healthy donors (10/22) and HCC cases (12/22). Among these glycoproteins, 50 were known to be N-linked glycoproteins and three novel glycopeptides from two predicted potential glycoproteins were discovered. Moreover, lectin blotting, Western blotting and lectin/glyco-antibody microarrays were applied to definitely elucidate the change of selective protein expressions and their glycosylation levels, the results indicated that the differences of the identified glycoproteins between the healthy donors and HCC cases were caused by the change of both protein expression and their glycosylation levels.
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Affiliation(s)
- Ganglong Yang
- Laboratory for Functional Glycomics, College of Life Sciences, Northwest University, Xi'an, PR China
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35
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Yang S, Toghi Eshghi S, Chiu H, DeVoe DL, Zhang H. Glycomic analysis by glycoprotein immobilization for glycan extraction and liquid chromatography on microfluidic chip. Anal Chem 2013; 85:10117-25. [PMID: 24111616 PMCID: PMC3867136 DOI: 10.1021/ac4013013] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
Glycosylation is one of the most common protein modifications and profoundly regulates many biological processes. Aberrant glycosylation is reported to associate with diseases such as cancers, human immunodeficiency virus, and immune disorders. It is considerably important to study protein glycosylation and the associated glycans for diagnostics and disease prognostics. Unlike other protein modifications, glycans attached to proteins are enormously complex. Therefore, the comprehensive analysis of glycans from biological or clinical samples is an unmet technical challenge. Development of the high-throughput method will facilitate the glycomics analysis. In this study, we developed a novel method for the high-throughput analysis of N-glycans from glycoproteins using glycoprotein immobilization for glycan extraction (GIG) coupled with liquid chromatography (LC) in an integrated microfluidic platform (chipLC). The separated glycans were then analyzed by mass spectrometry. Briefly, proteins were first immobilized on a solid support. Glycans on immobilized glycoproteins were modified on solid phase to increase the detection and structure analysis. N-Glycans were then enzymatically released and subsequentially separated by porous graphitized carbon particles packed in the same device. By applying the GIG-chipLC for glycomic analysis of human sera, we identified N-glycans with 148 distinct N-glycan masses. The platform was used to analyze N-glycans from mouse heart tissue and serum. The extracted N-glycans from tissues indicated that unique unsialylated N-glycans were detected in tissues that were missing from the proximal or distal serum, whereas common N-glycans from tissues and serum have mature and sialylated structures. The GIG-chipLC provides a simple and robust platform for glycomic analysis of complex biological and clinical samples.
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Affiliation(s)
- Shuang Yang
- Department of Pathology, Johns Hopkins University , Baltimore, Maryland 21231, United States
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Ishihara T, Kakiya K, Takahashi K, Miwa H, Rokushima M, Yoshinaga T, Tanaka Y, Ito T, Togame H, Takemoto H, Amano M, Iwasaki N, Minami A, Nishimura SI. Discovery of novel differentiation markers in the early stage of chondrogenesis by glycoform-focused reverse proteomics and genomics. Biochim Biophys Acta Gen Subj 2013; 1840:645-55. [PMID: 24161698 DOI: 10.1016/j.bbagen.2013.10.027] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2013] [Revised: 09/20/2013] [Accepted: 10/16/2013] [Indexed: 12/18/2022]
Abstract
BACKGROUND Osteoarthritis (OA) is one of the most common chronic diseases among adults, especially the elderly, which is characterized by destruction of the articular cartilage. Despite affecting more than 100 million individuals all over the world, therapy is currently limited to treating pain, which is a principal symptom of OA. New approaches to the treatment of OA that induce regeneration and repair of cartilage are strongly needed. METHODS To discover potent markers for chondrogenic differentiation, glycoform-focused reverse proteomics and genomics were performed on the basis of glycoblotting-based comprehensive approach. RESULTS Expression levels of high-mannose type N-glycans were up-regulated significantly at the late stage of differentiation of the mouse chondroprogenitor cells. Among 246 glycoproteins carrying this glycotype identified by ConA affinity chromatography and LC/MS, it was demonstrated that 52% are classified as cell surface glycoproteins. Gene expression levels indicated that mRNAs for 15 glycoproteins increased distinctly in the earlier stages during differentiation compared with Type II collagen. The feasibility of mouse chondrocyte markers in human chondrogenesis model was demonstrated by testing gene expression levels of these 15 glycoproteins during differentiation in human mesenchymal stem cells. CONCLUSION The results showed clearly an evidence of up-regulation of 5 genes, ectonucleotide pyrophosphatase/phosphodiesterase family member 1, collagen alpha-1(III) chain, collagen alpha-1(XI) chain, aquaporin-1, and netrin receptor UNC5B, in the early stages of differentiation. GENERAL SIGNIFICANCE These cell surface 5 glycoproteins become highly sensitive differentiation markers of human chondrocytes that contribute to regenerative therapies, and development of novel therapeutic reagents.
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Affiliation(s)
- Takeshi Ishihara
- Shionogi Innovation Center for Drug Discovery, Shionogi & Co. Ltd., Kita-ku, Sapporo 001-0021, Japan
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Nouso K, Amano M, Ito YM, Miyahara K, Morimoto Y, Kato H, Tsutsumi K, Tomoda T, Yamamoto N, Nakamura S, Kobayashi S, Kuwaki K, Hagihara H, Onishi H, Miyake Y, Ikeda F, Shiraha H, Takaki A, Nakahara T, Nishimura SI, Yamamoto K. Clinical utility of high-throughput glycome analysis in patients with pancreatic cancer. J Gastroenterol 2013; 48:1171-9. [PMID: 23307043 DOI: 10.1007/s00535-012-0732-7] [Citation(s) in RCA: 45] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/28/2012] [Accepted: 11/26/2012] [Indexed: 02/04/2023]
Abstract
BACKGROUND Most of the glycan changes reported in cancers were based on the examinations of a small number of patients or particular proteins. The aim of this study was to determine the changes of the serum N-glycan profile comprehensively in a large number of pancreatic cancer patients and investigate its clinical utility. METHODS Glycan levels in the serum of 92 pancreatic cancer patients and 243 healthy volunteers (HLT) were examined by comprehensive quantitative high-throughput glycome analysis and were compared with clinical parameters. RESULTS Out of 66 glycans detected, 15 were differentially expressed in pancreatic cancer, and 10 out of the 15 glycans were significantly up-regulated in cases with distant metastasis. There was a clear increase in overall expression of serum glycans, especially highly-branched glycans with fucose moieties, in pancreatic cancer. Among these 15 glycans, a tri-antennary complex type glycan (m/z 3195) showed the highest area under the receiver operating characteristic curve (AUROC = 0.799) for the diagnosis of pancreatic cancer. The ratio of pairs of glycans on the same path of the biosynthesis pathway (m/z 3195/1914) was found to be significantly higher in pancreatic cancer than in HLT (median = 1.11 and 0.41, respectively; p < 0.0001, AUROC = 0.831). For this pair ratio, the hazard ratio for survival (2.60, 95 % CI = 1.44-4.79) was higher than that of any single glycan and 1-year survival of patients with a high and low ratio was 36.9 and 69.2 %, respectively, (p = 0.001). CONCLUSIONS Comprehensive glycome analysis can be used to know the presence of pancreatic cancer, distant metastasis, and patient prognosis, simultaneously.
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Affiliation(s)
- Kazuhiro Nouso
- Department of Molecular Hepatology, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences, 2-5-1 Shikata-cho, Kita-ku, Okayama, Okayama, 700-8558, Japan,
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Kamiyama T, Yokoo H, Furukawa JI, Kurogochi M, Togashi T, Miura N, Nakanishi K, Kamachi H, Kakisaka T, Tsuruga Y, Fujiyoshi M, Taketomi A, Nishimura SI, Todo S. Identification of novel serum biomarkers of hepatocellular carcinoma using glycomic analysis. Hepatology 2013; 57:2314-25. [PMID: 23322672 DOI: 10.1002/hep.26262] [Citation(s) in RCA: 67] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/08/2012] [Accepted: 12/19/2012] [Indexed: 02/05/2023]
Abstract
UNLABELLED The altered N-glycosylation of glycoproteins has been suggested to play an important role in the behavior of malignant cells. Using glycomics technology, we attempted to determine the specific and detailed N-glycan profile for hepatocellular carcinoma (HCC) and investigate the prognostic capabilities. From 1999 to 2011, 369 patients underwent primary curative hepatectomy in our facility and were followed up for a median of 60.7 months. As normal controls, 26 living Japanese related liver transplantation donors were selected not infected by hepatitis B and C virus. Their mean age was 40.0 and 15 (57.7%) were male. We used a glycoblotting method to purify N-glycans from preoperative blood samples from this cohort (10 μL serum) which were then identified and quantified using mass spectrometry (MS). Correlations between the N-glycan levels and the clinicopathologic characteristics and outcomes for these patients were evaluated. Our analysis of the relative areas of all the sugar peaks identified by MS, totaling 67 N-glycans, revealed that a proportion had higher relative areas in the HCC cases compared with the normal controls. Fourteen of these molecules had an area under the curve of greater than 0.80. Analysis of the correlation between these 14 N-glycans and surgical outcomes by univariate and multivariate analysis identified G2890 (m/z value, 2890.052) as a significant recurrence factor and G3560 (m/z value, 3560.295) as a significant prognostic factor. G2890 and G3560 were found to be strongly correlated with tumor number, size, and vascular invasion. CONCLUSION Quantitative glycoblotting based on whole serum N-glycan profiling is an effective approach to screening for new biomarkers. The G2890 and G3560 N-glycans determined by tumor glycomics appear to be promising biomarkers for malignant behavior in HCCs. (HEPATOLOGY 2013;).
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Affiliation(s)
- Toshiya Kamiyama
- Department of Gastroenterological Surgery I, Hokkaido University Graduate School of Medicine, Hokkaido, Japan.
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Yang S, Li Y, Shah P, Zhang H. Glycomic analysis using glycoprotein immobilization for glycan extraction. Anal Chem 2013; 85:5555-61. [PMID: 23688297 DOI: 10.1021/ac400761e] [Citation(s) in RCA: 58] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
Glycosylation is one of the most common protein modifications and is involved in many functions of glycoproteins. Investigating aberrant protein glycosylation associated with diseases is useful in improving disease diagnostics. Due to the nontemplate nature of glycan biosynthesis, the glycans attached to glycoproteins are enormously complex; thus, a method for comprehensive analysis of glycans from biological or clinical samples is needed. Here, we describe a novel method for glycomic analysis using glycoprotein immobilization for glycan extraction (GIG). Proteins or peptides from complex samples were first immobilized on solid support, and other nonconjugated molecules were removed. Glycans were enzymatically or chemically modified on solid phase before releasing from glycoproteins/glycopeptides for mass spectrometry analysis. The method was applied to the glycomic analysis of both N- and O-glycans.
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Affiliation(s)
- Shuang Yang
- Department of Pathology, Johns Hopkins University, Baltimore, MD 21231, USA
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Development of a novel system for mass spectrometric analysis of cancer-associated fucosylation in plasma α1-acid glycoprotein. BIOMED RESEARCH INTERNATIONAL 2013; 2013:834790. [PMID: 23509786 PMCID: PMC3586476 DOI: 10.1155/2013/834790] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/03/2012] [Accepted: 12/13/2012] [Indexed: 11/29/2022]
Abstract
Human plasma α1-acid glycoprotein (AGP) from cancer patients and healthy volunteers was purified by sequential application of ion-exchange columns, and N-linked glycans enzymatically released from AGP were labeled and applied to a mass spectrometer. Additionally, a novel software system for use in combination with a mass spectrometer to determine N-linked glycans in AGP was developed. A database with 607 glycans including 453 different glycan structures that were theoretically predicted to be present in AGP was prepared for designing the software called AGPAS. This AGPAS was applied to determine relative abundance of each glycan in the AGP molecules based on mass spectra. It was found that the relative abundance of fucosylated glycans in tri- and tetra-antennary structures (FUCAGP) was significantly higher in cancer patients as compared with the healthy group (P < 0.001). Furthermore, extremely elevated levels of FUCAGP were found specifically in patients with a poor prognosis but not in patients with a good prognosis. In conclusion, the present software system allowed rapid determination of the primary structures of AGP glycans. The fucosylated glycans as novel tumor markers have clinical relevance in the diagnosis and assessment of cancer progression as well as patient prognosis.
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Nagahori N, Yamashita T, Amano M, Nishimura SI. Effect of ganglioside GM3 synthase gene knockout on the glycoprotein N-glycan profile of mouse embryonic fibroblast. Chembiochem 2012; 14:73-82. [PMID: 23225753 DOI: 10.1002/cbic.201200641] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2012] [Indexed: 12/18/2022]
Abstract
The structural and clinical significance of cellular glycoproteins and glycosphingolipids (GSLs) are often separately discussed. Considering the biosynthetic pathway of glycoconjugates, glycans of cell-surface glycoproteins and GSLs might partially share functions in maintaining cellular homeostatis. The purpose of this study is to establish a general and comprehensive glycomics protocol for cellular GSLs and N-glycans of glycoproteins. To test the feasibility of a glycoblotting-based protocol, whole glycans released both from GSLs and glycoproteins were profiled concurrently by using GM3 synthase-deficient mouse embryonic fibroblast GM3(-/-). GM3(-/-) cells did not synthesize GM3 or any downstream product of GM3 synthase. Instead, expression levels of o-series gangliosides involving GM1-b and GD1-α increased dramatically, whereas a-/b-series gangliosides were predominantly detected in wild-type (WT) cells. We also discovered that glycoprotein N-glycan profiles of GM3(-/-) cells are significantly altered as compared to WT cells, although GM3 synthase is responsible only for GSLs synthesis and is not associated with glycoprotein N-glycan biosynthesis. The present approach allows for high-throughput profiling of cellular glycomes enriched by different classes of glycoconjugates, and our results demonstrated that gene knockout of the enzymes responsible for GSL biosynthesis significantly influences the N-glycans of glycoproteins.
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Affiliation(s)
- Noriko Nagahori
- Graduate School of Advanced Life Science, and Frontier Research Center for the Post-Genome Science and Technology, Hokkaido University, N21, W11, Sapporo 001-0021, Japan
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Foulquier F, Amyere M, Jaeken J, Zeevaert R, Schollen E, Race V, Bammens R, Morelle W, Rosnoblet C, Legrand D, Demaegd D, Buist N, Cheillan D, Guffon N, Morsomme P, Annaert W, Freeze H, Van Schaftingen E, Vikkula M, Matthijs G. TMEM165 deficiency causes a congenital disorder of glycosylation. Am J Hum Genet 2012; 91:15-26. [PMID: 22683087 DOI: 10.1016/j.ajhg.2012.05.002] [Citation(s) in RCA: 153] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2012] [Revised: 04/02/2012] [Accepted: 05/01/2012] [Indexed: 11/25/2022] Open
Abstract
Protein glycosylation is a complex process that depends not only on the activities of several enzymes and transporters but also on a subtle balance between vesicular Golgi trafficking, compartmental pH, and ion homeostasis. Through a combination of autozygosity mapping and expression analysis in two siblings with an abnormal serum-transferrin isoelectric focusing test (type 2) and a peculiar skeletal phenotype with epiphyseal, metaphyseal, and diaphyseal dysplasia, we identified TMEM165 (also named TPARL) as a gene involved in congenital disorders of glycosylation (CDG). The affected individuals are homozygous for a deep intronic splice mutation in TMEM165. In our cohort of unsolved CDG-II cases, we found another individual with the same mutation and two unrelated individuals with missense mutations in TMEM165. TMEM165 encodes a putative transmembrane 324 amino acid protein whose cellular functions are unknown. Using a siRNA strategy, we showed that TMEM165 deficiency causes Golgi glycosylation defects in HEK cells.
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Furukawa T, Arai M, Garcia-Martin F, Amano M, Hinou H, Nishimura SI. Glycoblotting-based high throughput protocol for the structural characterization of hyaluronan degradation products during enzymatic fragmentation. Glycoconj J 2012; 30:171-82. [DOI: 10.1007/s10719-012-9395-0] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2012] [Revised: 05/08/2012] [Accepted: 05/10/2012] [Indexed: 12/30/2022]
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Harvey DJ. Analysis of carbohydrates and glycoconjugates by matrix-assisted laser desorption/ionization mass spectrometry: an update for 2007-2008. MASS SPECTROMETRY REVIEWS 2012; 31:183-311. [PMID: 21850673 DOI: 10.1002/mas.20333] [Citation(s) in RCA: 54] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/22/2010] [Revised: 01/04/2011] [Accepted: 01/04/2011] [Indexed: 05/31/2023]
Abstract
This review is the fifth update of the original review, published in 1999, on the application of MALDI mass spectrometry to the analysis of carbohydrates and glycoconjugates and brings coverage of the literature to the end of 2008. The first section of the review covers fundamental studies, fragmentation of carbohydrate ions, use of derivatives and new software developments for analysis of carbohydrate spectra. Among newer areas of method development are glycan arrays, MALDI imaging and the use of ion mobility spectrometry. The second section of the review discusses applications of MALDI MS to the analysis of different types of carbohydrate. Specific compound classes that are covered include carbohydrate polymers from plants, N- and O-linked glycans from glycoproteins, biopharmaceuticals, glycated proteins, glycolipids, glycosides and various other natural products. There is a short section on the use of MALDI mass spectrometry for the study of enzymes involved in glycan processing and a section on the use of MALDI MS to monitor products of the chemical synthesis of carbohydrates with emphasis on carbohydrate-protein complexes and glycodendrimers. Corresponding analyses by electrospray ionization now appear to outnumber those performed by MALDI and the amount of literature makes a comprehensive review on this technique impractical. However, most of the work relating to sample preparation and glycan synthesis is equally relevant to electrospray and, consequently, those proposing analyses by electrospray should also find material in this review of interest.
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Affiliation(s)
- David J Harvey
- Oxford Glycobiology Institute, Department of Biochemistry, University of Oxford, Oxford OX1 3QU, UK.
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Nishimura SI, Hato M, Hyugaji S, Feng F, Amano M. Glycomics for Drug Discovery: Metabolic Perturbation in Androgen-Independent Prostate Cancer Cells Induced by Unnatural Hexosamine Mimics. Angew Chem Int Ed Engl 2012. [DOI: 10.1002/ange.201108742] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
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46
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Nishimura SI, Hato M, Hyugaji S, Feng F, Amano M. Glycomics for drug discovery: metabolic perturbation in androgen-independent prostate cancer cells induced by unnatural hexosamine mimics. Angew Chem Int Ed Engl 2012; 51:3386-90. [PMID: 22345046 DOI: 10.1002/anie.201108742] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2011] [Revised: 01/09/2012] [Indexed: 12/24/2022]
Abstract
Inhibited: N-acetylglucosamine (GlcNAc) derivatives with a fluorine atom at the C4 position (2-4) were synthesized, and their ability to inhibit cancer-cell growth was investigated. The administration of these 4F-GlcNAc derivatives to cells led to the unnatural sugar nucleotide 1. Furthermore, N-glycan profiles of cells were determined by using a glycoblotting-based enrichment analysis, which is suitable for high-throughput screenings for drug discovery.
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Affiliation(s)
- Shin-Ichiro Nishimura
- Graduate School of Advanced Life Science, Hokkaido University, Kita-ku, Sapporo, Japan.
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Amano M, Hashimoto R, Nishimura SI. Effects of single genetic damage in carbohydrate-recognizing proteins in mouse serum N-glycan profile revealed by simple glycotyping analysis. Chembiochem 2012; 13:451-64. [PMID: 22271523 DOI: 10.1002/cbic.201100595] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2011] [Indexed: 12/29/2022]
Abstract
Gene knock-out of C-type lectin receptors expressed in dendritic cells induced significant alteration of serum N-glycans compared with that of gender-matched controls. Glycotyping analysis suggested that putative-core fucosylation is strongly influenced by differences in the dominant mechanisms after carbohydrate recognition by pattern-recognition receptors, endocytosis of ligands, or induction of cytokines/chemokines. However, the loss of galectin-9, a ligand for T-helper type 1-specific cell-surface molecule, did not affect most N-glycan profiles. Interestingly, lack of the Chst3 gene (chondroitin 6-sulfotransferase) appeared to influence markedly the expression of most N-glycans, especially highly modified glycoforms bearing multiple Neu5Gc, Fuc, and LacNAc units. In contrast, genetic mutations in B4galnt1 and B4galnt2 (GalNAc transferase, responsible for the synthesis of many gangliosides) induced no discernable alteration. These results indicate that the biosynthesis of N-glycans of serum glycoproteins can be affected not only by direct genetic mutations in the glycosyltransferases but also by changes in metabolite availability in sugar nucleotide synthesis and Golgi N-glycosylation pathways caused concertedly in whole cells, tissues, and organs by milder deficiencies in immune cell-surface lectins. Many common chronic conditions, such as autoimmunity, metabolic syndrome, and aging/dementia result.
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Affiliation(s)
- Maho Amano
- Field of Drug Discovery Research, Faculty of Advanced Life Science, Graduate School of Life Sciences, Hokkaido University, Sapporo 001-0021, Japan.
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Abstract
As drastic structural changes in cell-surface glycans of glycoproteins and glycosphingolipids, as well as serum glycoproteins, are often observed during cell differentiation and cancer progression, it is considered that glycans can be potential candidates for novel diagnostic and therapeutic biomarkers. Although there have been substantial advances in our understanding of the effects of glycosylation on some biological systems, we still do not fully understand the significance and mechanism of glycoform alteration that is widely observed in many human diseases. This is due to the highly complicated structures of the glycans and the extremely tedious and time-consuming processes required for their separation from complex mixtures and their subsequent analysis. As a result, with a few notable exceptions, the therapeutic potential of complex glycans has not been well exploited. This article is focused on the state of the art and current advances in glycomics, and efforts for the development of automated glycan analysis, which should greatly accelerate functional glycobiology and its medical/pharmaceutical applications. The "glycoblotting method" is the only method currently available that allows rapid and large-scale clinical glycomics of human whole-serum glycoproteins, because it requires very little material and, when combined with an automated system "SweetBlot," takes only ∼14h to complete whole glycan profiling by mass spectrometry. The upcoming goal is to combine glycoblotting methods and various MS-based platforms for the development of a fully automated glycan analytical system and accelerating research to discover highly sensitive and clinically important biomarker molecules.
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Affiliation(s)
- Shin-Ichiro Nishimura
- Field of Drug Discovery Research, Faculty of Advanced Life Science, Hokkaido University, Kita-ku, Sapporo, Japan
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Hirabayashi J, Kuno A, Tateno H. Lectin-based structural glycomics: a practical approach to complex glycans. Electrophoresis 2011; 32:1118-28. [PMID: 21544837 DOI: 10.1002/elps.201000650] [Citation(s) in RCA: 65] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
Glycans exist in nature in various forms of glycoconjugates, i.e., glycoproteins, glycolipids, and glycosaminoglycans, either in soluble or membrane-bound forms. One of their prominent properties distinguished from nucleic acids and proteins is "heterogeneity" largely attributed to their inherent features of biosynthesis. In general, various methods based on the physicochemical principles have been taken for their separation and structural determination although all of them require prior liberation of glycans and appropriate labeling. On the other hand, a series of carbohydrate-binding proteins, or "lectins," have extensively been used in a more direct manner for cell typing, histochemical staining, and glycoprotein fractionation. Although most procedures conventionally used are useful, unfortunately they lack "throughput" comparable to a performance required for current omics studies. Recently, a novel technique called lectin microarray has attracted increasing attention from not only glycoscientists but also researchers in other fields, because it is straightforward and also informative. The method is innovating in that it enables direct approach to glycoconjugates such as glycoproteins and even cells without liberation of glycans from the core substrate, and therefore can be effectively applied for the sake of differential profiling in various fields. Concept, strategy, and technical advancement of lectin microarray are described. Also, as an introduction to glycomics, the authors explain the motivation to challenge this theme.
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Affiliation(s)
- Jun Hirabayashi
- Lectin Application and Analysis Team, Research Center for Medical Glycoscience, National Institute of Advanced Industrial Science and Technology, Tsukuba, Ibaraki, Japan.
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50
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Ohyanagi T, Nagahori N, Shimawaki K, Hinou H, Yamashita T, Sasaki A, Jin T, Iwanaga T, Kinjo M, Nishimura SI. Importance of Sialic Acid Residues Illuminated by Live Animal Imaging Using Phosphorylcholine Self-Assembled Monolayer-Coated Quantum Dots. J Am Chem Soc 2011; 133:12507-17. [DOI: 10.1021/ja111201c] [Citation(s) in RCA: 77] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Affiliation(s)
- Tatsuya Ohyanagi
- Field of Drug Discovery Research, Faculty of Advanced Life Science, Hokkaido University, Sapporo, 001-0021, Japan
| | - Noriko Nagahori
- Field of Drug Discovery Research, Faculty of Advanced Life Science, Hokkaido University, Sapporo, 001-0021, Japan
| | - Ken Shimawaki
- Field of Drug Discovery Research, Faculty of Advanced Life Science, Hokkaido University, Sapporo, 001-0021, Japan
| | - Hiroshi Hinou
- Field of Drug Discovery Research, Faculty of Advanced Life Science, Hokkaido University, Sapporo, 001-0021, Japan
| | - Tadashi Yamashita
- Field of Drug Discovery Research, Faculty of Advanced Life Science, Hokkaido University, Sapporo, 001-0021, Japan
| | - Akira Sasaki
- Field of Drug Discovery Research, Faculty of Advanced Life Science, Hokkaido University, Sapporo, 001-0021, Japan
| | - Takashi Jin
- WPI Immunology Frontier Research Center, Osaka University, Yamada-oka 1-3, Suita, Osaka 565-0871, Japan
| | - Toshihiko Iwanaga
- Department of Anatomy, Hokkaido University Graduate School of Medicine, Sapporo, 060-8638, Japan
| | - Masataka Kinjo
- Field of Drug Discovery Research, Faculty of Advanced Life Science, Hokkaido University, Sapporo, 001-0021, Japan
| | - Shin-Ichiro Nishimura
- Field of Drug Discovery Research, Faculty of Advanced Life Science, Hokkaido University, Sapporo, 001-0021, Japan
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