101
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Sethi MK, Kim H, Park CK, Baker MS, Paik YK, Packer NH, Hancock WS, Fanayan S, Thaysen-Andersen M. In-depth N-glycome profiling of paired colorectal cancer and non-tumorigenic tissues reveals cancer-, stage- and EGFR-specific protein N-glycosylation. Glycobiology 2015; 25:1064-78. [PMID: 26085185 DOI: 10.1093/glycob/cwv042] [Citation(s) in RCA: 69] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2015] [Accepted: 06/11/2015] [Indexed: 01/01/2023] Open
Abstract
Glycomics may assist in uncovering the structure-function relationships of protein glycosylation and identify glycoprotein markers in colorectal cancer (CRC) research. Herein, we performed label-free quantitative glycomics on a carbon-liquid chromatography-tandem mass spectrometry-based analytical platform to accurately profile the N-glycosylation changes associated with CRC malignancy. N-Glycome profiling was performed on isolated membrane proteomes of paired tumorigenic and adjacent non-tumorigenic colon tissues from a cohort of five males (62.6 ± 13.1 y.o.) suffering from colorectal adenocarcinoma. The CRC tissues were typed according to their epidermal growth factor receptor (EGFR) status by western blotting and immunohistochemistry. Detailed N-glycan characterization and relative quantitation identified an extensive structural heterogeneity with a total of 91 N-glycans. CRC-specific N-glycosylation phenotypes were observed including an overrepresentation of high mannose, hybrid and paucimannosidic type N-glycans and an under-representation of complex N-glycans (P < 0.05). Sialylation, in particular α2,6-sialylation, was significantly higher in CRC tumors relative to non-tumorigenic tissues, whereas α2,3-sialylation was down-regulated (P < 0.05). CRC stage-specific N-glycosylation was detected by high α2,3-sialylation and low bisecting β1,4-GlcNAcylation and Lewis-type fucosylation in mid-late relative to early stage CRC. Interestingly, a novel link between the EGFR status and the N-glycosylation was identified using hierarchical clustering of the N-glycome profiles. EGFR-specific N-glycan signatures included high bisecting β1,4-GlcNAcylation and low α2,3-sialylation (both P < 0.05) relative to EGFR-negative CRC tissues. This is the first study to correlate CRC stage and EGFR status with specific N-glycan features, thus advancing our understanding of the mechanisms causing the biomolecular deregulation associated with CRC.
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Affiliation(s)
| | - Hoguen Kim
- Department of Pathology, Yonsei University College of Medicine, Seoul 120-752, Korea
| | - Cheol Keun Park
- Department of Pathology, Yonsei University College of Medicine, Seoul 120-752, Korea
| | - Mark S Baker
- Department of Biomedical Sciences, Macquarie University, North Ryde NSW 2109, Australia
| | - Young-Ki Paik
- Yonsei Proteome Research Center, Yonsei University, Seoul 120-749, Korea
| | | | - William S Hancock
- Department of Biomedical Sciences, Macquarie University, North Ryde NSW 2109, Australia Barnett Institute and Department of Chemistry and Chemical Biology, Northeastern University, Boston, MA 02115, USA
| | - Susan Fanayan
- Department of Biomedical Sciences, Macquarie University, North Ryde NSW 2109, Australia
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102
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Cheng CW, Chou CC, Lin CH, Nycholat C, Fukuda M, Khoo KH. Efficient Mapping of Sulfated Glycotopes by Negative Ion Mode nanoLC-MS/MS-Based Sulfoglycomic Analysis of Permethylated Glycans. Anal Chem 2015; 87:6380-8. [PMID: 26016788 PMCID: PMC4843773 DOI: 10.1021/acs.analchem.5b01409] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
We have previously developed the enabling techniques for sulfoglycomics based on mass spectrometry (MS) analysis of permethylated glycans, which preserves the attractive features of more reliable MS/MS sequencing compared with that performed on native glycans, while providing an easy way to separate and hence enrich the sulfated glycans. Unlike LC-MS/MS analysis of native glycans in negative ion mode that has been more widely in use, the characteristics and potential benefits of similar applications based on permethylated sulfated glycans have not been fully investigated. We report here the important features of reverse phase-based nanoLC-MS/MS analysis of permethylated sulfated glycans in negative ion mode and demonstrate that complementary sets of diagnostic fragment ions afforded can allow rapid identification of various fucosylated, sialylated, sulfated glycotopes and definitive determination of the location of sulfate in a way difficult to achieve by other means. A parallel acquisition of both higher collision energy and trap-based MS(2) coupled with a product dependent MS(3) is conceivably the most productive sulfoglycomic workflow currently possible and the manually curated fragmentation characteristics presented here will allow future developments in automating data analysis.
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Affiliation(s)
- Chu-Wen Cheng
- Institute of Biochemical Sciences, National Taiwan University, Taipei 106, Taiwan
- Institute of Biological Chemistry, Academia Sinica, Nankang, Taipei 115, Taiwan
| | - Chi-Chi Chou
- Institute of Biological Chemistry, Academia Sinica, Nankang, Taipei 115, Taiwan
| | - Chun-Hung Lin
- Institute of Biochemical Sciences, National Taiwan University, Taipei 106, Taiwan
- Institute of Biological Chemistry, Academia Sinica, Nankang, Taipei 115, Taiwan
| | - Corwin Nycholat
- Department of Cell and Molecular Biology, The Scripps Research Institute, La Jolla, CA 92037, USA
| | - Minoru Fukuda
- Sanford-Burnham Medical Research Institute, La Jolla, CA, USA
| | - Kay-Hooi Khoo
- Institute of Biochemical Sciences, National Taiwan University, Taipei 106, Taiwan
- Institute of Biological Chemistry, Academia Sinica, Nankang, Taipei 115, Taiwan
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103
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Bults P, van de Merbel NC, Bischoff R. Quantification of biopharmaceuticals and biomarkers in complex biological matrices: a comparison of liquid chromatography coupled to tandem mass spectrometry and ligand binding assays. Expert Rev Proteomics 2015; 12:355-74. [DOI: 10.1586/14789450.2015.1050384] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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104
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Dahmen AC, Fergen MT, Laurini C, Schmitz B, Loke I, Thaysen-Andersen M, Diestel S. Paucimannosidic glycoepitopes are functionally involved in proliferation of neural progenitor cells in the subventricular zone. Glycobiology 2015; 25:869-80. [DOI: 10.1093/glycob/cwv027] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2015] [Accepted: 04/24/2015] [Indexed: 12/23/2022] Open
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105
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Thaysen-Andersen M, Venkatakrishnan V, Loke I, Laurini C, Diestel S, Parker BL, Packer NH. Human neutrophils secrete bioactive paucimannosidic proteins from azurophilic granules into pathogen-infected sputum. J Biol Chem 2015; 290:8789-802. [PMID: 25645918 DOI: 10.1074/jbc.m114.631622] [Citation(s) in RCA: 79] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2014] [Indexed: 01/09/2023] Open
Abstract
Unlike plants and invertebrates, mammals reportedly lack proteins displaying asparagine (N)-linked paucimannosylation (mannose(1-3)fucose(0-1)N-acetylglucosamine(2)Asn). Enabled by technology advancements in system-wide biomolecular characterization, we document that protein paucimannosylation is a significant host-derived molecular signature of neutrophil-rich sputum from pathogen-infected human lungs and is negligible in pathogen-free sputum. Five types of paucimannosidic N-glycans were carried by compartment-specific and inflammation-associated proteins of the azurophilic granules of human neutrophils including myeloperoxidase (MPO), azurocidin, and neutrophil elastase. The timely expressed human azurophilic granule-resident β-hexosaminidase A displayed the capacity to generate paucimannosidic N-glycans by trimming hybrid/complex type N-glycan intermediates with relative broad substrate specificity. Paucimannosidic N-glycoepitopes showed significant co-localization with β-hexosaminidase A and the azurophilic marker MPO in human neutrophils using immunocytochemistry. Furthermore, promyelocyte stage-specific expression of genes coding for paucimannosidic proteins and biosynthetic enzymes indicated a novel spatio-temporal biosynthetic route in early neutrophil maturation. The absence of bacterial exoglycosidase activities and paucimannosidic N-glycans excluded exogenous origins of paucimannosylation. Paucimannosidic proteins from isolated and sputum neutrophils were preferentially secreted upon inoculation with virulent Pseudomonas aeruginosa. Finally, paucimannosidic proteins displayed affinities to mannose-binding lectin, suggesting immune-related functions of paucimannosylation in activated human neutrophils. In conclusion, we are the first to document that human neutrophils produce, store and, upon activation, selectively secrete bioactive paucimannosidic proteins into sputum of lungs undergoing pathogen-based inflammation.
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Affiliation(s)
- Morten Thaysen-Andersen
- From the Department of Chemistry and Biomolecular Sciences, Macquarie University, Sydney, New South Wales-2109, Australia,
| | - Vignesh Venkatakrishnan
- From the Department of Chemistry and Biomolecular Sciences, Macquarie University, Sydney, New South Wales-2109, Australia
| | - Ian Loke
- From the Department of Chemistry and Biomolecular Sciences, Macquarie University, Sydney, New South Wales-2109, Australia
| | - Christine Laurini
- the Institute of Nutrition and Food Sciences, University of Bonn, Bonn 53113, Germany, and
| | - Simone Diestel
- the Institute of Nutrition and Food Sciences, University of Bonn, Bonn 53113, Germany, and
| | - Benjamin L Parker
- the Diabetes and Obesity Program, Garvan Institute of Medical Research, Sydney, New South Wales-2010, Australia
| | - Nicolle H Packer
- From the Department of Chemistry and Biomolecular Sciences, Macquarie University, Sydney, New South Wales-2109, Australia
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106
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Pihíková D, Kasák P, Tkac J. Glycoprofiling of cancer biomarkers: Label-free electrochemical lectin-based biosensors. OPEN CHEM 2015; 13:636-655. [PMID: 27275016 PMCID: PMC4892350 DOI: 10.1515/chem-2015-0082] [Citation(s) in RCA: 40] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022] Open
Abstract
Glycosylation of biomolecules is one of the most prevalent post- and co-translational modification in a human body, with more than half of all human proteins being glycosylated. Malignant transformation of cells influences glycosylation machinery resulting in subtle changes of the glycosylation pattern within the cell populations as a result of cancer. Thus, an altered terminal glycan motif on glycoproteins could provide a warning signal about disease development and progression and could be applied as a reliable biomarker in cancer diagnostics. Among all highly effective glycoprofiling tools, label-free electrochemical impedance spectroscopy (EIS)-based biosensors have emerged as especially suitable tool for point-of-care early-stage cancer detection. Herein, we highlight the current challenges in glycoprofiling of various cancer biomarkers by ultrasensitive impedimetric-based biosensors with low sample consumption, low cost fabrication and simple miniaturization. Additionally, this review provides a short introduction to the field of glycomics and lectinomics and gives a brief overview of glycan alterations in different types of cancer.
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Affiliation(s)
- Dominika Pihíková
- Department of Glycobiotechnology, Institute of Chemistry, Slovak
Academy of Sciences, Dúbravská cesta 9, SK-845 38 Bratislava,
Slovakia
| | - Peter Kasák
- Center for Advanced Materials, Qatar University, P.O.Box 2713 Doha,
Qatar
| | - Jan Tkac
- Department of Glycobiotechnology, Institute of Chemistry, Slovak
Academy of Sciences, Dúbravská cesta 9, SK-845 38 Bratislava,
Slovakia
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107
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Abstract
Glycans on proteins and lipids are known to alter with malignant transformation. The study of these may contribute to the discovery of biomarkers and treatment targets as well as understanding of cancer biology. We here describe the change of glycosylation specifically defining colorectal cancer with view on N-glycans, O-glycans, and glycosphingolipid glycans in colorectal cancer cells and tissues as well as patient sera. Glycan alterations observed in colon cancer include increased β1,6-branching and correlating higher abundance of (poly-)N-acetyllactosamine extensions of N-glycans as well as an increase in (truncated) high-mannose type glycans, while bisected structures decrease. Colorectal cancer-associated O-glycan changes are predominated by reduced expression of core 3 and 4 glycans, whereas higher levels of core 1 glycans, (sialyl) T-antigen, (sialyl) Tn-antigen, and a generally higher density of O-glycans are observed. Specific changes for glycosphingolipid glycans are lower abundances of disialylated structures as well as globo-type glycosphingolipid glycans with exception of Gb3. In general, alterations affecting all discussed glycan types are increased sialylation, fucosylation as well as (sialyl) Lewis-type antigens and type-2 chain glycans. As a consequence, interactions with glycan-binding proteins can be affected and the biological function and cellular consequences of the altered glycosylation with regard to tumorigenesis, metastasis, modulation of immunity, and resistance to antitumor therapy will be discussed. Finally, analytical approaches aiding in the field of glycomics will be reviewed with focus on binding assays and mass spectrometry.
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Affiliation(s)
- Stephanie Holst
- Center for Proteomics and Metabolomics, Leiden University Medical Center, Leiden, The Netherlands.
| | - Manfred Wuhrer
- Center for Proteomics and Metabolomics, Leiden University Medical Center, Leiden, The Netherlands; Department of Molecular Cell Biology and Immunology, VU University Medical Center, Amsterdam, The Netherlands; Division of BioAnalytical Chemistry, VU University, Amsterdam, The Netherlands
| | - Yoann Rombouts
- Center for Proteomics and Metabolomics, Leiden University Medical Center, Leiden, The Netherlands
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108
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Stavenhagen K, Kolarich D, Wuhrer M. Clinical Glycomics Employing Graphitized Carbon Liquid Chromatography-Mass Spectrometry. Chromatographia 2014; 78:307-320. [PMID: 25750456 PMCID: PMC4346670 DOI: 10.1007/s10337-014-2813-7] [Citation(s) in RCA: 66] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2014] [Revised: 10/25/2014] [Accepted: 11/13/2014] [Indexed: 12/25/2022]
Abstract
Glycoconjugates and free glycan are involved in a variety of biological processes such as cell-cell interaction and cell trafficking. Alterations in the complex glycosylation machinery have been correlated with various pathological processes including cancer progression and metastasis. Mass Spectrometry (MS) has evolved as one of the most powerful tools in glycomics and glycoproteomics and in combination with porous graphitized carbon-liquid chromatography (PGC-LC) it is a versatile and sensitive technique for the analysis of glycans and to some extent also glycopeptides. PGC-LC-ESI-MS analysis is characterized by a high isomer separation power enabling a specific glycan compound analysis on the level of individual structures. This allows the investigation of the biological relevance of particular glycan structures and glycan features. Consequently, this strategy is a very powerful technique suitable for clinical research, such as cancer biomarker discovery, as well as in-depth analysis of recombinant glycoproteins. In this review, we will focus on how PGC in conjunction with MS detection can deliver specific structural information for clinical research on protein-bound N-glycans and mucin-type O-glycans. In addition, we will briefly review PGC analysis approaches for glycopeptides, glycosaminoglycans (GAGs) and human milk oligosaccharides (HMOs). The presented applications cover systems that vary vastly with regard to complexity such as purified glycoproteins, cells, tissue or body fluids revealing specific glycosylation changes associated with various biological processes including cancer and inflammation.
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Affiliation(s)
- Kathrin Stavenhagen
- Division of BioAnalytical Chemistry, VU University Amsterdam, De Boelelaan 1083, 1081 HV Amsterdam, The Netherlands
| | - Daniel Kolarich
- Department of Biomolecular Systems, Max Planck Institute of Colloids and Interfaces, Wissenschaftspark Potsdam-Golm, Am Mühlenberg 1 OT Golm, 14242 Potsdam, Germany
| | - Manfred Wuhrer
- Division of BioAnalytical Chemistry, VU University Amsterdam, De Boelelaan 1083, 1081 HV Amsterdam, The Netherlands ; Department of Molecular Cell Biology and Immunology, VU University Medical Center, Amsterdam, The Netherlands ; Center for Proteomics and Metabolomics, Leiden University Medical Center, Leiden, The Netherlands
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109
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Kaprio T, Satomaa T, Heiskanen A, Hokke CH, Deelder AM, Mustonen H, Hagström J, Carpen O, Saarinen J, Haglund C. N-glycomic profiling as a tool to separate rectal adenomas from carcinomas. Mol Cell Proteomics 2014; 14:277-88. [PMID: 25452313 PMCID: PMC4350025 DOI: 10.1074/mcp.m114.041632] [Citation(s) in RCA: 55] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
All human cells are covered by glycans, the carbohydrate units of glycoproteins, glycolipids, and proteoglycans. Most glycans are localized to cell surfaces and participate in events essential for cell viability and function. Glycosylation evolves during carcinogenesis, and therefore carcinoma-related glycan structures are potential cancer biomarkers. Colorectal cancer is one of the world's three most common cancers, and its incidence is rising. Novel biomarkers are essential to identify patients for targeted and individualized therapy. We compared the N-glycan profiles of five rectal adenomas and 18 rectal carcinomas of different stages by matrix-assisted laser desorption-ionization time-of-flight mass spectrometry. Paraffin-embedded tumor samples were deparaffinized, and glycans were enzymatically released and purified. We found differences in glycosylation between adenomas and carcinomas: monoantennary, sialylated, pauci-mannose, and small high-mannose N-glycan structures were more common in carcinomas than in adenomas. We also found differences between stage I-II and stage III carcinomas. Based on these findings, we selected two glycan structures: pauci-mannose and sialyl Lewis a, for immunohistochemical analysis of their tissue expression in 220 colorectal cancer patients. In colorectal cancer, poor prognosis correlated with elevated expression of sialyl Lewis a, and in advanced colorectal cancer, poor prognosis correlated with elevated expression of pauci-mannose. In conclusion, by mass spectrometry we found several carcinoma related glycans, and we demonstrate a method of transforming these results into immunohistochemistry, a readily applicable method to study biomarker expression in patient samples.
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Affiliation(s)
- Tuomas Kaprio
- From the ‡Department of Surgery, Helsinki University Central Hospital, Helsinki, Finland; §Research Programs Unit, Translational Cancer Biology, University of Helsinki, Helsinki, Finland;
| | | | | | - Cornelis H Hokke
- ‖Biomolecular Mass Spectrometry Unit, Department of Parasitology, Leiden University Medical Center, The Netherlands
| | - André M Deelder
- ‖Biomolecular Mass Spectrometry Unit, Department of Parasitology, Leiden University Medical Center, The Netherlands
| | - Harri Mustonen
- From the ‡Department of Surgery, Helsinki University Central Hospital, Helsinki, Finland
| | - Jaana Hagström
- **Department of Pathology, Haartman Institute, University of Helsinki and HUSLAB, Helsinki
| | - Olli Carpen
- ‡‡Department of Pathology, University of Turku and Turku University Hospital, Turku, Finland
| | | | - Caj Haglund
- From the ‡Department of Surgery, Helsinki University Central Hospital, Helsinki, Finland; §Research Programs Unit, Translational Cancer Biology, University of Helsinki, Helsinki, Finland
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110
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Zhang D, Mi M, Jiang F, Sun Y, Li Y, Yang L, Fan L, Li Q, Meng J, Yue Z, Liu L, Mei Q. Apple polysaccharide reduces NF-Kb mediated colitis-associated colon carcinogenesis. Nutr Cancer 2014; 67:177-90. [PMID: 25412264 DOI: 10.1080/01635581.2015.965336] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Nuclear factor-kappa B (NF-κB) is an important molecule in mediating inflammatory colitis, which can lead to colorectal cancer (CRC). The aim of this study was to evaluate the chemopreventive efficacy of apple polysaccharide extract (AP) in inhibiting NF-κB-mediated inflammation pathways in CRC. We evaluated AP in vitro in HT-29 and SW620 human CRC cells. We also used the azoxymethane and dextran sodium sulphate (AOM/DSS) model to induce colon carcinogenesis in vivo. The chemoprotective effects of AP were assessed using Western blot, immunofluorescence assay, real-time PCR, electrophoretic mobility shift assay, and flow cytometry. AP reduced AOM/DSS-associated toxicities, prevented carcinogenesis, and decreased the expression of TLR4, MD2, MyD88, TRAM, TRIF-related adapter molecule, interferon-β, tumor necrosis factor-α, and interleukin-6. The protective effects of AP may be related to the inhibition of TLR4/MD2-mediated signaling, including MyD88 and TRIF, as well as the inhibition of NF-κB-mediated inflammatory signaling pathways. Therefore, AP could be used in combination therapy for the prevention of colitis-associated colon cancer.
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Affiliation(s)
- Dian Zhang
- a Department of Pathogen Biology and Immunology , Xi'an Medical University , Xi'an , China and Key Laboratory of Gastrointestinal Pharmacology of Chinese Materia Medica of the State Administration of Traditional Chinese Medicine, Department of Pharmacology, School of Pharmacy , Fourth Military Medical University , Xi'an , China
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111
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Shen L, Yu M, Xu X, Gao L, Ni J, Luo Z, Wu S. Knockdown of β3GnT8 reverses 5-fluorouracil resistance in human colorectal cancer cells via inhibition the biosynthesis of polylactosamine-type N-glycans. Int J Oncol 2014; 45:2560-8. [PMID: 25269761 DOI: 10.3892/ijo.2014.2672] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2014] [Accepted: 08/19/2014] [Indexed: 11/05/2022] Open
Abstract
Aberrant glycosylation is known to be associated with cancer chemoresistance. β-1,3-N-acetyl-glucosaminyltransferase (β3GnT)8, which synthesizes polylactosamine on β1-6 branched N-glycans, is dramatically upregulated in colorectal cancer (CRC). 5-Fluorouracil (5-FU) resistance remains a major obstacle to the chemotherapy of CRC. However, little is known with regard to the correlation between 5‑FU resistance and the expression of β3GnT8 in CRC. In this study, a 5-FU‑resistant cell line (SW620/5-FU) was generated, and 50% inhibition concentration (IC50) of 5-FU was determined by MTT assay. Flow cytometry and lectin blot analysis were performed to detect the alteration of polylactosamine structures. Quantitative RT-‑PCR and western blot analysis were used to identify and evaluate candidate genes involved in the synthesis of polylactosamine in SW620/5-FU cells. We found polylactosamine chains were significantly increased in SW620/5-FU cells. Inhibition of the biosynthesis of polylactosamine by 3'-azidothymidine (AZT) was able to reduce 5-FU tolerance. Further studies showed that β3GnT8 expression was also upregulated in 5-FU‑resistant cancer cells, and knockdown of β3GnT8 by RNA interference reversed 5-FU resistance through, at least partly, by suppressing the formation of polylactosamine. In conclusion, the alteration of β3GnT8 in CRC cells correlates with tumor sensitivity to the chemotherapeutic drug and has significant implication for the development of new treatment strategies.
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Affiliation(s)
- Li Shen
- Department of Biochemistry and Molecular Biology, Soochow University, Suzhou, Jiangsu 215123, P.R. China
| | - Meiyun Yu
- Department of Biochemistry and Molecular Biology, Soochow University, Suzhou, Jiangsu 215123, P.R. China
| | - Xu Xu
- Department of Biochemistry and Molecular Biology, Soochow University, Suzhou, Jiangsu 215123, P.R. China
| | - Liping Gao
- Department of Biochemistry and Molecular Biology, Soochow University, Suzhou, Jiangsu 215123, P.R. China
| | - Jianlong Ni
- Department of Biochemistry and Molecular Biology, Soochow University, Suzhou, Jiangsu 215123, P.R. China
| | - Zhiguo Luo
- Department of Clinical Oncology, Taihe Hospital, Hubei University of Medicine, Shiyan, Hubei 442000, P.R. China
| | - Shiliang Wu
- Department of Biochemistry and Molecular Biology, Soochow University, Suzhou, Jiangsu 215123, P.R. China
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112
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Venkatakrishnan V, Thaysen-Andersen M, Chen SCA, Nevalainen H, Packer NH. Cystic fibrosis and bacterial colonization define the sputum N-glycosylation phenotype. Glycobiology 2014; 25:88-100. [DOI: 10.1093/glycob/cwu092] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
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113
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Chik JHL, Zhou J, Moh ESX, Christopherson R, Clarke SJ, Molloy MP, Packer NH. Comprehensive glycomics comparison between colon cancer cell cultures and tumours: implications for biomarker studies. J Proteomics 2014; 108:146-62. [PMID: 24840470 DOI: 10.1016/j.jprot.2014.05.002] [Citation(s) in RCA: 52] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2014] [Revised: 04/28/2014] [Accepted: 05/09/2014] [Indexed: 01/27/2023]
Abstract
UNLABELLED Altered glycosylation is commonly observed in colorectal cancer. In vitro models are frequently used to study this cancer but little is known about the differences that may exist between these model cell systems and tumour tissue. We have compared the membrane protein glycosylation of five colorectal cancer cell lines (SW1116, SW480, SW620, SW837, LS174T) with epithelial cells from colorectal tumours using liquid chromatography tandem mass spectrometry. Remarkably, there were five abundant O-glycans in the tumour cells that were undetected in the low-mucin producing cell lines, although two were found in the mucinous LS174T cells. The O-glycans included the well-known glycan cancer marker, sialyl-Tn, which has been associated with mucins. Using qRT-PCR, sialyl-Tn expression was found to be associated with an increase in α2,6-sialyltransferase gene (ST6GALNAC1) and a decrease in core 1 synthase gene (C1GALT1) in LS174T cells. The expression of a subset of mucins (MUC2, MUC6, MUC5B) was also correlated with sialyl-Tn expression in LS174T cells. Overall, the membrane protein glycosylation of the model cell lines was found to differ from each other and from the epithelial cells of tumour tissue. These findings should be noted in the design of biomarker discovery experiments particularly when cell surface targets are being investigated. BIOLOGICAL SIGNIFICANCE The extent of protein glycosylation differences between in vitro cell lines and ex vivo tumours in colorectal cancer research is unknown. Our study expands current knowledge by characterising the membrane protein glycosylation profiles of five different colorectal cancer cell lines and of epithelial cells derived from resected colorectal cancer tumour tissue, using liquid chromatography tandem mass spectrometry. The detailed structural differences found in both N- and O-linked glycan structures on the membrane glycoproteins were determined and correlated with the mRNA expression of the relevant proteins in the cell lines. The glycosylation differences found between cultured cancer cell lines and epithelial cells from tumour tissue have important implications for glycan biomarker discovery.
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Affiliation(s)
- Jenny H L Chik
- Department of Chemistry and Biomolecular Sciences, Faculty of Science, Macquarie University, Sydney, Australia
| | - Jerry Zhou
- School of Molecular Bioscience, University of Sydney, Sydney, Australia
| | - Edward S X Moh
- Department of Chemistry and Biomolecular Sciences, Faculty of Science, Macquarie University, Sydney, Australia
| | | | - Stephen J Clarke
- Department of Medicine, Royal North Shore Hospital, University of Sydney, Australia
| | - Mark P Molloy
- Department of Chemistry and Biomolecular Sciences, Faculty of Science, Macquarie University, Sydney, Australia; Australian Proteome Analysis Facility, Macquarie University, Sydney, Australia
| | - Nicolle H Packer
- Department of Chemistry and Biomolecular Sciences, Faculty of Science, Macquarie University, Sydney, Australia.
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114
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Peng Y, Xu X. Detection of sialylated N-Linked glycans by matrix-assisted laser desorption/ionization time-of-flight mass spectrometry. ACTA ACUST UNITED AC 2014. [DOI: 10.1007/s11859-014-1008-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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115
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Tan Z, Lu W, Li X, Yang G, Guo J, Yu H, Li Z, Guan F. Altered N-Glycan Expression Profile in Epithelial-to-Mesenchymal Transition of NMuMG Cells Revealed by an Integrated Strategy Using Mass Spectrometry and Glycogene and Lectin Microarray Analysis. J Proteome Res 2014; 13:2783-95. [DOI: 10.1021/pr401185z] [Citation(s) in RCA: 57] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Affiliation(s)
| | | | | | | | | | - Hanjie Yu
- Laboratory
for Functional Glycomics, College of Life Sciences, Northwest University, 229 Taibai Beilu, Xi’an 710069, China
| | - Zheng Li
- Laboratory
for Functional Glycomics, College of Life Sciences, Northwest University, 229 Taibai Beilu, Xi’an 710069, China
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116
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Liu H, Zhang N, Wan D, Cui M, Liu Z, Liu S. Mass spectrometry-based analysis of glycoproteins and its clinical applications in cancer biomarker discovery. Clin Proteomics 2014; 11:14. [PMID: 24722010 PMCID: PMC3984494 DOI: 10.1186/1559-0275-11-14] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2013] [Accepted: 02/19/2014] [Indexed: 02/08/2023] Open
Abstract
Glycosylation is one of the most important posttranslational modifications of proteins and plays essential roles in various biological processes. Aberration in the glycan moieties of glycoproteins is associated with many diseases. It is especially critical to develop the rapid and sensitive methods for analysis of aberrant glycoproteins associated with diseases. Mass spectrometry (MS) has become a powerful tool for glycoprotein analysis. Especially, tandem mass spectrometry can provide highly informative fragments for structural identification of glycoproteins. This review provides an overview of the development of MS technologies and their applications in identification of abnormal glycoproteins and glycans in human serum to screen cancer biomarkers in recent years.
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Affiliation(s)
| | | | | | - Meng Cui
- Changchun Center of Mass Spectrometry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, 5625 Renmin Street, Changchun 130022, P, R, China.
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117
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Current applications of chromatographic methods for diagnosis and identification of potential biomarkers in cancer. Trends Analyt Chem 2014. [DOI: 10.1016/j.trac.2013.12.007] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
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118
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Gao L, Shen L, Yu M, Ni J, Dong X, Zhou Y, Wu S. Colon cancer cells treated with 5‑fluorouracil exhibit changes in polylactosamine‑type N‑glycans. Mol Med Rep 2014; 9:1697-702. [PMID: 24604396 DOI: 10.3892/mmr.2014.2008] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2013] [Accepted: 02/03/2014] [Indexed: 11/06/2022] Open
Abstract
5-Fluorouracil (5-FU) is the major chemotherapeutic agent for the treatment of colorectal carcinoma, which were found to have N-glycans containing polylactosamine on the cancer cell surface. Alterations in the expression and structure of polylactosamine glycans are associated with cellular differentiation and oncogenesis. However, little is known with regard to the correlation between the levels of polylactosamine expressed in colon cancer cells and the anticancer effect of 5-FU. In the present study, SW620 cells were treated with the half maximal inhibitory concentration (IC50; determined by MTT-assay) of 5-FU. Hoechst 33258 staining and flow cytometric analysis indicated that 5-FU administration resulted in apoptosis in SW620 cells. An increased percentage of cells in S phase was also observed among the SW620 cells treated with 5-FU. Under the same experimental conditions, a decrease in the 5-FU‑induced inhibition of polylactosamine glycans was recorded. However, an increase in the activity of alkaline phosphatase was also observed. Furthermore, pretreatment of the SW620 cells with 5-FU inhibited the expression of β1,3-N-acetylglucosaminyltransferase-8 (β3Gn-T8) and cluster of differentiation (CD)147 in a time-dependent manner. Overall, changes in glycosylation were associated with the anticancer effect of 5-FU in the colon cancer cells. In conclusion, polylactosamine may be a useful target for the identification of substances with anticancer activity.
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Affiliation(s)
- Liping Gao
- Department of Biochemistry and Molecular Biology, Soochow University, Suzhou, Jiangsu 215123, P.R. China
| | - Li Shen
- Department of Biochemistry and Molecular Biology, Soochow University, Suzhou, Jiangsu 215123, P.R. China
| | - Meiyun Yu
- Department of Biochemistry and Molecular Biology, Soochow University, Suzhou, Jiangsu 215123, P.R. China
| | - Jianlong Ni
- Department of Biochemistry and Molecular Biology, Soochow University, Suzhou, Jiangsu 215123, P.R. China
| | - Xiaoxia Dong
- Department of Clinical Oncology, Taihe Hospital, Hubei University of Medicine, Shiyan, Hubei 442000, P.R. China
| | - Yinghui Zhou
- Department of Biochemistry and Molecular Biology, Soochow University, Suzhou, Jiangsu 215123, P.R. China
| | - Shiliang Wu
- Department of Biochemistry and Molecular Biology, Soochow University, Suzhou, Jiangsu 215123, P.R. China
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119
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Christiansen MN, Chik J, Lee L, Anugraham M, Abrahams JL, Packer NH. Cell surface protein glycosylation in cancer. Proteomics 2014; 14:525-46. [DOI: 10.1002/pmic.201300387] [Citation(s) in RCA: 371] [Impact Index Per Article: 37.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2013] [Revised: 11/07/2013] [Accepted: 11/11/2013] [Indexed: 01/16/2023]
Affiliation(s)
- Maja N. Christiansen
- Department of Chemistry and Biomolecular Sciences; Faculty of Science; Biomolecular Frontiers Research Centre; Macquarie University; Sydney Australia
| | - Jenny Chik
- Department of Chemistry and Biomolecular Sciences; Faculty of Science; Biomolecular Frontiers Research Centre; Macquarie University; Sydney Australia
| | - Ling Lee
- Department of Chemistry and Biomolecular Sciences; Faculty of Science; Biomolecular Frontiers Research Centre; Macquarie University; Sydney Australia
| | - Merrina Anugraham
- Department of Chemistry and Biomolecular Sciences; Faculty of Science; Biomolecular Frontiers Research Centre; Macquarie University; Sydney Australia
| | - Jodie L. Abrahams
- Department of Chemistry and Biomolecular Sciences; Faculty of Science; Biomolecular Frontiers Research Centre; Macquarie University; Sydney Australia
| | - Nicolle H. Packer
- Department of Chemistry and Biomolecular Sciences; Faculty of Science; Biomolecular Frontiers Research Centre; Macquarie University; Sydney Australia
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120
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Ozcan S, Barkauskas DA, Renee Ruhaak L, Torres J, Cooke CL, An HJ, Hua S, Williams CC, Dimapasoc LM, Han Kim J, Camorlinga-Ponce M, Rocke D, Lebrilla CB, Solnick JV. Serum glycan signatures of gastric cancer. Cancer Prev Res (Phila) 2014; 7:226-35. [PMID: 24327722 PMCID: PMC3946197 DOI: 10.1158/1940-6207.capr-13-0235] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Glycomics, a comprehensive study of glycans expressed in biologic systems, is emerging as a simple yet highly sensitive diagnostic tool for disease onset and progression. This study aimed to use glycomics to investigate glycan markers that would differentiate patients with gastric cancer from those with nonatrophic gastritis. Patients with duodenal ulcer were also included because they are thought to represent a biologically different response to infection with Helicobacter pylori, a bacterial infection that can cause either gastric cancer or duodenal ulcer. We collected 72 serum samples from patients in Mexico City that presented with nonatrophic gastritis, duodenal ulcer, or gastric cancer. N-glycans were released from serum samples using the generic method with PNGase F and were analyzed by matrix-assisted laser desorption/ionization Fourier transform-ion cyclotron resonance mass spectrometry. The corresponding glycan compositions were calculated based on accurate mass. ANOVA-based statistical analysis was performed to identify potential markers for each subgroup. Nineteen glycans were significantly different among the diagnostic groups. Generally, decreased levels of high-mannose-type glycans, glycans with one complex type antenna, bigalactosylated biantennary glycans, and increased levels of nongalactosylated biantennary glycans were observed in gastric cancer cases. Altered levels of serum glycans were also observed in duodenal ulcer, but differences were generally in the same direction as gastric cancer. Serum glycan profiles may provide biomarkers to differentiate gastric cancer cases from controls with nonatrophic gastritis. Further studies will be needed to validate these findings as biomarkers and identify the role of protein glycosylation in gastric cancer pathology.
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Affiliation(s)
- Sureyya Ozcan
- Center for Comparative Medicine, University of California, Davis, Davis, CA 95616. ; or Carlito B. Lebrilla,
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121
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Chen CH, Wang SH, Liu CH, Wu YL, Wang WJ, Huang J, Hung JS, Lai IR, Liang JT, Huang MC. β-1,4-Galactosyltransferase III suppresses β1 integrin-mediated invasive phenotypes and negatively correlates with metastasis in colorectal cancer. Carcinogenesis 2014; 35:1258-66. [PMID: 24403309 DOI: 10.1093/carcin/bgu007] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Metastasis often occurs in colorectal cancer (CRC) patients and is the main difficulty in cancer treatment. The upregulation of poly-N-acetyllactosamine-related glycosylation is found in CRC patients and is associated with progression and metastasis in cancer. β-1,4-Galactosyltransferase III (B4GALT3) is an enzyme responsible for poly-N-acetyllactosamine synthesis, and therefore, we investigated its expression in CRC patients. We found that B4GALT3 negatively correlated with poorly differentiated histology (P < 0.001), advanced stages (P = 0.0052), regional lymph node metastasis (P = 0.0018) and distant metastasis (P = 0.0463) in CRC patients. B4GALT3 overexpression in CRC cells suppressed cell migration, invasion and adhesion, whereas B4GALT3 knockdown enhanced malignant cell phenotypes. The β1 integrin-blocking antibody reversed the B4GALT3-mediated increase in cell invasion. B4GALT3 expression altered glycosylation on the N-glycan of β1 integrin probably through changes in poly-N-acetyllactosamine expression. Furthermore, more activated β1 integrin along with the activation of its downstream signaling transduction were found in B4GALT3 knockdown cells, whereas overexpression of B4GALT3 suppressed the expression of active β1 integrin and inhibited its downstream signaling. Our results suggest that B4GALT3 is negatively associated with CRC metastasis and suppresses cell invasiveness through inhibiting activation of β1 integrin.
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Affiliation(s)
- Chia-Hua Chen
- Graduate Institute of Anatomy and Cell Biology, National Taiwan University College of Medicine, Taipei 10051, Taiwan
| | - Shui-Hua Wang
- Institute of Biological Chemistry, Academia Sinica, Taipei 11529, Taiwan
| | - Chiung-Hui Liu
- Graduate Institute of Anatomy and Cell Biology, National Taiwan University College of Medicine, Taipei 10051, Taiwan
| | - Yi-Ling Wu
- Graduate Institute of Anatomy and Cell Biology, National Taiwan University College of Medicine, Taipei 10051, Taiwan
| | - Wei-Jen Wang
- Graduate Institute of Anatomy and Cell Biology, National Taiwan University College of Medicine, Taipei 10051, Taiwan
| | | | - Ji-Shiang Hung
- Department of Surgery and Department of Medical Research, National Taiwan University Hospital, Taipei 10048, Taiwan and
| | - I-Rue Lai
- Graduate Institute of Anatomy and Cell Biology, National Taiwan University College of Medicine, Taipei 10051, Taiwan, Department of Surgery and
| | | | - Min-Chuan Huang
- Graduate Institute of Anatomy and Cell Biology, National Taiwan University College of Medicine, Taipei 10051, Taiwan, Research Center for Developmental Biology and Regenerative Medicine, National Taiwan University, Taipei 10041, Taiwan
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122
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Plomp R, Hensbergen PJ, Rombouts Y, Zauner G, Dragan I, Koeleman CAM, Deelder AM, Wuhrer M. Site-Specific N-Glycosylation Analysis of Human Immunoglobulin E. J Proteome Res 2013; 13:536-46. [DOI: 10.1021/pr400714w] [Citation(s) in RCA: 73] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
| | | | | | | | | | | | | | - Manfred Wuhrer
- Division of BioAnalytical Chemistry, VU University Amsterdam, De Boelelaan 1083, 1081 HV Amsterdam, The Netherlands
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123
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Evaluation of molecular species of prostate-specific antigen complexed with immunoglobulin M in prostate cancer and benign prostatic hyperplasia. DISEASE MARKERS 2013; 35:847-55. [PMID: 24367138 PMCID: PMC3866832 DOI: 10.1155/2013/923819] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/21/2013] [Revised: 10/04/2013] [Accepted: 10/05/2013] [Indexed: 11/30/2022]
Abstract
This study was aimed at defining molecular species of prostate-specific antigen (PSA) in immune complexes with immunoglobulin M (IgM). Having in mind the oligoreactivity of IgM and its preference for carbohydrate antigens, there is the possibility that it can selectively recognize known PSA glycoisoforms. PSA-IgM complexes and free PSA fractions were separated from the sera of subjects with prostate cancer (PCa) and benign prostatic hyperplasia (BPH) by gel filtration and subjected to on-chip immunoaffinity and ion-exchange chromatography. PSA-immunoreactive species were detected using surface-enhanced laser desorption/ionization time of flight mass spectrometry. The obtained spectra were analyzed for protein and glycan composition. The general pattern of the molecular species of PCa PSA and BPH PSA found in complexes with IgM was similar. It comprised major peaks at 17 kDa and minor peaks at 28 kDa, corresponding to the entire mature glycosylated PSA. The main difference was the presence of incompletely glycosylated 26.8 kDa species, having putative paucimannosidic structures, observed in PCa PSA-IgM, but not in BPH PSA-IgM. Characteristic PCa PSA-IgM glycoforms pose the question of the possible role of glycosylation as a framework for immune surveillance and may be of interest in light of recent data indicating mannose-containing glycans as cancer biomarker.
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124
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Holst S, Stavenhagen K, Balog CIA, Koeleman CAM, McDonnell LM, Mayboroda OA, Verhoeven A, Mesker WE, Tollenaar RAEM, Deelder AM, Wuhrer M. Investigations on aberrant glycosylation of glycosphingolipids in colorectal cancer tissues using liquid chromatography and matrix-assisted laser desorption time-of-flight mass spectrometry (MALDI-TOF-MS). Mol Cell Proteomics 2013; 12:3081-93. [PMID: 23878401 PMCID: PMC3820925 DOI: 10.1074/mcp.m113.030387] [Citation(s) in RCA: 48] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2013] [Revised: 06/24/2013] [Indexed: 11/06/2022] Open
Abstract
Cancer is a leading cause of death and alterations of glycosylation are characteristic features of malignant cells. Colorectal cancer is one of the most common cancers and its exact causes and biology are not yet well understood. Here, we compared glycosylation profiles of colorectal tumor tissues and corresponding control tissues of 13 colorectal cancer patients to contribute to the understanding of this cancer. Using MALDI-TOF(/TOF)-MS and 2-dimensional LC-MS/MS we characterized enzymatically released and 2-aminobenzoic acid labeled glycans from glycosphingolipids. Multivariate data analysis revealed significant differences between tumor and corresponding control tissues. Main discriminators were obtained, which represent the overall alteration in glycosylation of glycosphingolipids during colorectal cancer progression, and these were found to be characterized by (1) increased fucosylation, (2) decreased acetylation, (3) decreased sulfation, (4) reduced expression of globo-type glycans, as well as (5) disialyl gangliosides. The findings of our current research confirm former reports, and in addition expand the knowledge of glycosphingolipid glycosylation in colorectal cancer by revealing new glycans with discriminative power and characteristic, cancer-associated glycosylation alterations. The obtained discriminating glycans can contribute to progress the discovery of biomarkers to improve diagnostics and patient treatment.
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Affiliation(s)
- Stephanie Holst
- From the ‡Center for Proteomics and Metabolomics, Leiden University Medical Center, Leiden, The Netherlands
| | - Kathrin Stavenhagen
- From the ‡Center for Proteomics and Metabolomics, Leiden University Medical Center, Leiden, The Netherlands
| | - Crina I. A. Balog
- From the ‡Center for Proteomics and Metabolomics, Leiden University Medical Center, Leiden, The Netherlands
| | - Carolien A. M. Koeleman
- From the ‡Center for Proteomics and Metabolomics, Leiden University Medical Center, Leiden, The Netherlands
| | - Liam M. McDonnell
- From the ‡Center for Proteomics and Metabolomics, Leiden University Medical Center, Leiden, The Netherlands
| | - Oleg A. Mayboroda
- From the ‡Center for Proteomics and Metabolomics, Leiden University Medical Center, Leiden, The Netherlands
| | - Aswin Verhoeven
- From the ‡Center for Proteomics and Metabolomics, Leiden University Medical Center, Leiden, The Netherlands
| | - Wilma E. Mesker
- §Department of Surgery, Leiden University Medical Center, Leiden, The Netherlands
| | | | - André M. Deelder
- From the ‡Center for Proteomics and Metabolomics, Leiden University Medical Center, Leiden, The Netherlands
| | - Manfred Wuhrer
- From the ‡Center for Proteomics and Metabolomics, Leiden University Medical Center, Leiden, The Netherlands
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125
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Escrevente C, Grammel N, Kandzia S, Zeiser J, Tranfield EM, Conradt HS, Costa J. Sialoglycoproteins and N-glycans from secreted exosomes of ovarian carcinoma cells. PLoS One 2013; 8:e78631. [PMID: 24302979 PMCID: PMC3840218 DOI: 10.1371/journal.pone.0078631] [Citation(s) in RCA: 83] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2013] [Accepted: 09/14/2013] [Indexed: 12/14/2022] Open
Abstract
Exosomes consist of vesicles that are secreted by several human cells, including tumor cells and neurons, and they are found in several biological fluids. Exosomes have characteristic protein and lipid composition, however, the results concerning glycoprotein composition and glycosylation are scarce. Here, protein glycosylation of exosomes from ovarian carcinoma SKOV3 cells has been studied by lectin blotting, NP-HPLC analysis of 2-aminobenzamide labeled glycans and mass spectrometry. An abundant sialoglycoprotein was found enriched in exosomes and it was identified by peptide mass fingerprinting and immunoblot as the galectin-3-binding protein (LGALS3BP). Exosomes were found to contain predominantly complex glycans of the di-, tri-, and tetraantennary type with or without proximal fucose and also high mannose glycans. Diantennary glycans containing bisecting N-acetylglucosamine were also detected. This work provides detailed information about glycoprotein and N-glycan composition of exosomes from ovarian cancer cells, furthermore it opens novel perspectives to further explore the functional role of glycans in the biology of exosomes.
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Affiliation(s)
- Cristina Escrevente
- Laboratory of Glycobiology, Instituto de Tecnologia Química e Biológica, Universidade Nova de Lisboa, Oeiras, Portugal
| | | | | | | | - Erin M. Tranfield
- Electron Microscopy Facility, Instituto Gulbenkian de Ciência, Oeiras, Portugal
| | | | - Júlia Costa
- Laboratory of Glycobiology, Instituto de Tecnologia Química e Biológica, Universidade Nova de Lisboa, Oeiras, Portugal
- * E-mail:
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126
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Ruhaak LR, Nguyen UT, Stroble C, Taylor SL, Taguchi A, Hanash SM, Lebrilla CB, Kim K, Miyamoto S. Enrichment strategies in glycomics-based lung cancer biomarker development. Proteomics Clin Appl 2013; 7:664-76. [PMID: 23640812 PMCID: PMC3884000 DOI: 10.1002/prca.201200131] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2012] [Revised: 01/11/2013] [Accepted: 02/12/2013] [Indexed: 12/25/2022]
Abstract
PURPOSE There is a need to identify better glycan biomarkers for diagnosis, early detection, and treatment monitoring in lung cancer using biofluids such as blood. Biofluids are complex mixtures of proteins dominated by a few high abundance proteins that may not have specificity for lung cancer. Therefore, two methods for protein enrichment were evaluated; affinity capturing of IgG and enrichment of medium abundance proteins, thus allowing us to determine which method yields the best candidate glycan biomarkers for lung cancer. EXPERIMENTAL DESIGN N-glycans isolated from plasma samples from 20 cases of lung adenocarcinoma and 20 matched controls were analyzed using nLC-PGC-chip-TOF-MS (where PGC is porous-graphitized carbon). N-glycan profiles were obtained for five different fractions: total plasma, isolated IgG, IgG-depleted plasma, and the bound and flow-through fractions of protein enrichment. RESULTS Four glycans differed significantly (false discovery rate, FDR < 0.05) between cases and controls in whole unfractionated plasma, while four other glycans differed significantly by cancer status in the IgG fraction. No significant glycan differences were observed in the other fractions. CONCLUSIONS AND CLINICAL RELEVANCE These results confirm that the N-glycan profile in plasma of lung cancer patients is different from healthy controls and appears to be dominated by alterations in relatively abundant proteins.
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Affiliation(s)
- L Renee Ruhaak
- Department of Chemistry, University of California Davis, Davis, CA 95616, USA.
| | - Uyen Thao Nguyen
- Division of Biostatistics, Department of Public Health Sciences, University of California Davis, Davis, CA, USA
| | - Carol Stroble
- Department of Chemistry, University of California Davis, Davis, CA, USA
- Division of Hematology and Oncology, University of California Davis Comprehensive Cancer Center, Sacramento, CA, USA
| | - Sandra L Taylor
- Division of Biostatistics, Department of Public Health Sciences, University of California Davis, Davis, CA, USA
| | - Ayumu Taguchi
- Division of Public Health Sciences, Fred Hutchison Cancer Research Center, Seattle, WA, USA
| | - Samir M Hanash
- Division of Public Health Sciences, Fred Hutchison Cancer Research Center, Seattle, WA, USA
- Department of Clinical Cancer Prevention - Research, Clinical Cancer Prevention, University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | | | - Kyoungmi Kim
- Division of Biostatistics, Department of Public Health Sciences, University of California Davis, Davis, CA, USA
| | - Suzanne Miyamoto
- Division of Hematology and Oncology, University of California Davis Comprehensive Cancer Center, Sacramento, CA, USA
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127
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Decreased expression of alpha-L-fucosidase gene FUCA1 in human colorectal tumors. Int J Mol Sci 2013; 14:16986-98. [PMID: 23965968 PMCID: PMC3759947 DOI: 10.3390/ijms140816986] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2013] [Revised: 08/07/2013] [Accepted: 08/08/2013] [Indexed: 12/26/2022] Open
Abstract
In previous studies we described a decreased alpha-l-fucosidase activity in colorectal tumors, appearing as a prognostic factor of tumoral recurrence. The aim of this work was to extend the knowledge about tissue alpha-l-fucosidase in colorectal cancer by quantifying the expression of its encoding gene FUCA1 in tumors and healthy mucosa. FUCA1 mRNA levels were measured by RT-qPCR in paired tumor and normal mucosa tissues from 31 patients. For the accuracy of the RT-qPCR results, five candidate reference genes were validated in those samples. In addition, activity and expression of alpha-l-fucosidase in selected matched tumor and healthy mucosa samples were analyzed. According to geNorm and NormFinder algorithms, RPLP0 and HPRT1 were the best reference genes in colorectal tissues. These genes were used for normalization of FUCA1 expression levels. A significant decrease of more than 60% in normalized FUCA1 expression was detected in tumors compared to normal mucosa (p = 0.002). Moreover, a gradual decrease in FUCA1 expression was observed with progression of disease from earlier to advanced stages. These findings were confirmed by Western blot analysis of alpha-l-fucosidase expression. Our results demonstrated diminished FUCA1 mRNA levels in tumors, suggesting that expression of tissue alpha-l-fucosidase could be regulated at transcriptional level in colorectal cancer.
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128
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Zhang Z, Sun J, Hao L, Liu C, Ma H, Jia L. Modification of glycosylation mediates the invasive properties of murine hepatocarcinoma cell lines to lymph nodes. PLoS One 2013; 8:e65218. [PMID: 23840320 PMCID: PMC3688732 DOI: 10.1371/journal.pone.0065218] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2013] [Accepted: 04/24/2013] [Indexed: 01/29/2023] Open
Abstract
Among the various posttranslational modification reactions, glycosylation is the most common, and nearly 50% of all known proteins are thought to be glycosylated. In fact, changes in glycosylation readily occur in carcinogenesis, invasion and metastasis. This report investigated the modification of glycosylation mediated the invasive properties of Hca-F and Hca-P murine hepatocarcinoma cell lines, which have high, low metastatic potential in the lymph nodes, respectively. Analysis revealed that the N-glycan composition profiling, expression of glycogenes and lectin binding profiling were different in Hca-F cells, as compared to those in Hca-P cells. Further analysis of the N-glycan regulation by tunicamycin (TM) application or PNGase F treatment in Hca-F cells showed partial inhibition of N-glycan glycosylation and decreased invasion both in vitro and in vivo. We targeted glycogene ST6GAL1, which was expressed differently in Hca-F and Hca-P cells, and regulated the expression of ST6GAL1. The altered levels of ST6GAL1 were also responsible for changed invasive properties of Hca-F and Hca-P cells both in vitro and in vivo. These findings indicate a role for glycosylation modification as a mediator of tumor lymphatic metastasis, with its altered expression causing an invasive ability differentially.
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Affiliation(s)
- Zhaohai Zhang
- Department of Basic Laboratory Medicine, College of Laboratory Medicine, Dalian Medical University, Dalian, Liaoning Province, China
| | - Jie Sun
- Department of Basic Laboratory Medicine, College of Laboratory Medicine, Dalian Medical University, Dalian, Liaoning Province, China
- Liaoning International Travel Health Care Center, Dalian, Liaoning Province, China
| | - Lihong Hao
- Department of Histology and Embryology, Dalian Medical University, Dalian, Liaoning Province, China
| | - Chunqing Liu
- Department of Basic Laboratory Medicine, College of Laboratory Medicine, Dalian Medical University, Dalian, Liaoning Province, China
| | - Hongye Ma
- Department of Basic Laboratory Medicine, College of Laboratory Medicine, Dalian Medical University, Dalian, Liaoning Province, China
| | - Li Jia
- Department of Basic Laboratory Medicine, College of Laboratory Medicine, Dalian Medical University, Dalian, Liaoning Province, China
- * E-mail:
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129
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Li Y, Wen T, Zhu M, Li L, Wei J, Wu X, Guo M, Liu S, Zhao H, Xia S, Huang W, Wang P, Wu Z, Zhao L, Shui W, Li Z, Yin Z. Glycoproteomic analysis of tissues from patients with colon cancer using lectin microarrays and nanoLC-MS/MS. MOLECULAR BIOSYSTEMS 2013; 9:1877-87. [PMID: 23567825 DOI: 10.1039/c3mb00013c] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
The current study evaluated the glycoproteomic profile of tissues from colon cancer patients. The lectin microarray was first performed to compare the glycoprotein profiles between colon cancer and matched normal tissues. Level of N-acetylglucosamine (GlcNAc) that Solanum tuberosum lectin (STL) bound was found to be elevated in colon cancer, which was verified through lectin histochemistry. The subsequent glycoproteomic analysis based on STL enrichment of glycoproteins followed by label-free quantitative nano liquid chromatography-mass spectrometry/mass spectrometry (nanoLC-MS/MS) analysis identified 72 proteins in high confidence. Among these proteins, 17 were exclusively detected in cancer tissues, and 14 were significantly upregulated in tumor tissues. Annexin A1 and HSP90β were chosen for further investigation by immunoprecipitation coupled with lectin blots, western blots and tissue microarrays. Both Annexin A1 and HSP90β were GlcNAcylated, and their protein expressions were elevated in colon cancer, compared to normal tissues. Moreover, specific changes of GlcNAc abundances in Annexin A1 and HSP90β suggested that tumor-specific glycan patterns could serve as candidate biomarkers of colon cancer for distinguishing cancer patients from healthy individuals.
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Affiliation(s)
- Yangguang Li
- State Key Laboratory of Medicinal Chemical Biology, College of Life Sciences, Nankai University, 94 Weijin Road, Tianjin 300071, PR China
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130
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de Wit M, Fijneman RJ, Verheul HM, Meijer GA, Jimenez CR. Proteomics in colorectal cancer translational research: Biomarker discovery for clinical applications. Clin Biochem 2013; 46:466-79. [DOI: 10.1016/j.clinbiochem.2012.10.039] [Citation(s) in RCA: 71] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2012] [Revised: 10/30/2012] [Accepted: 10/31/2012] [Indexed: 12/22/2022]
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131
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Ruhaak LR, Miyamoto S, Lebrilla CB. Developments in the identification of glycan biomarkers for the detection of cancer. Mol Cell Proteomics 2013; 12:846-55. [PMID: 23365456 PMCID: PMC3617331 DOI: 10.1074/mcp.r112.026799] [Citation(s) in RCA: 117] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022] Open
Abstract
Changes in glycosylation readily occur in cancer and other disease states. Thanks to recent advances in the development of analytical techniques and instrumentation, especially in mass spectrometry, it is now possible to identify blood-derived glycan-based biomarkers using glycomics strategies. This review is an overview of the developments made in the search for glycan-based cancer biomarkers and the technologies currently in use. It is anticipated that the progressing instrumental and bioinformatics developments will allow the identification of relevant glycan biomarkers for the diagnosis, early detection, and monitoring of cancer treatment with sufficient sensitivity and specificity for clinical use.
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Affiliation(s)
- L Renee Ruhaak
- Department of Chemistry, University of California Davis, Davis, California 95616, USA
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Arshad N, Ballal S, Visweswariah SS. Site-specific N-linked glycosylation of receptor guanylyl cyclase C regulates ligand binding, ligand-mediated activation and interaction with vesicular integral membrane protein 36, VIP36. J Biol Chem 2012; 288:3907-17. [PMID: 23269669 DOI: 10.1074/jbc.m112.413906] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023] Open
Abstract
Guanylyl cyclase C (GC-C) is a multidomain, membrane-associated receptor guanylyl cyclase. GC-C is primarily expressed in the gastrointestinal tract, where it mediates fluid-ion homeostasis, intestinal inflammation, and cell proliferation in a cGMP-dependent manner, following activation by its ligands guanylin, uroguanylin, or the heat-stable enterotoxin peptide (ST). GC-C is also expressed in neurons, where it plays a role in satiation and attention deficiency/hyperactive behavior. GC-C is glycosylated in the extracellular domain, and differentially glycosylated forms that are resident in the endoplasmic reticulum (130 kDa) and the plasma membrane (145 kDa) bind the ST peptide with equal affinity. When glycosylation of human GC-C was prevented, either by pharmacological intervention or by mutation of all of the 10 predicted glycosylation sites, ST binding and surface localization was abolished. Systematic mutagenesis of each of the 10 sites of glycosylation in GC-C, either singly or in combination, identified two sites that were critical for ligand binding and two that regulated ST-mediated activation. We also show that GC-C is the first identified receptor client of the lectin chaperone vesicular integral membrane protein, VIP36. Interaction with VIP36 is dependent on glycosylation at the same sites that allow GC-C to fold and bind ligand. Because glycosylation of proteins is altered in many diseases and in a tissue-dependent manner, the activity and/or glycan-mediated interactions of GC-C may have a crucial role to play in its functions in different cell types.
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Affiliation(s)
- Najla Arshad
- Department of Molecular Reproduction, Development, and Genetics, Indian Institute of Science, Bangalore 560012, India
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133
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Lazar IM, Lee W, Lazar AC. Glycoproteomics on the rise: established methods, advanced techniques, sophisticated biological applications. Electrophoresis 2012; 34:113-25. [PMID: 23161435 DOI: 10.1002/elps.201200445] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2012] [Revised: 10/07/2012] [Accepted: 10/07/2012] [Indexed: 02/05/2023]
Abstract
Glycosylation is the most complex form of protein PTMs. Affected proteins may carry dozens of glycosylation sites with tens to hundreds of glycan residues attached to every site. Glycosylated proteins have many important functions in biology, from cellular to organismal levels, being involved in cell-cell signaling, cell adhesion, immune response, host-pathogen interactions, and development and growth. Glycosylation, however, expands the biological functional diversity of proteins at the expense of a tremendous increase in structural heterogeneity. Aberrant glycosylation of cell surface proteins, as well as their detectable fingerprint in plasma samples, has been associated with cancer, inflammatory and degenerative diseases, and congenital disorders of glycosylation. Therefore, there are on-going efforts directed toward developing new technologies and approaches for glycan sequencing and high-throughput analysis of glycosylated proteins in complex samples with simultaneous characterization of both the protein and glycan moieties. This work is aimed primarily at pinpointing the challenges associated with the large-scale analysis of glycoproteins and the latest developments in glycoproteomic research, with focus on recent advancements (2011-2012) in microcolumn separations and MS detection.
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Affiliation(s)
- Iulia M Lazar
- Department of Biological Sciences, Virginia Polytechnic Institute and State University, Blacksburg, VA 24061, USA.
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