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Pongracz T, Mayboroda OA, Wuhrer M. The Human Blood N-Glycome: Unraveling Disease Glycosylation Patterns. JACS AU 2024; 4:1696-1708. [PMID: 38818049 PMCID: PMC11134357 DOI: 10.1021/jacsau.4c00043] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/10/2024] [Revised: 03/28/2024] [Accepted: 04/01/2024] [Indexed: 06/01/2024]
Abstract
Most of the proteins in the circulation are N-glycosylated, shaping together the total blood N-glycome (TBNG). Glycosylation is known to affect protein function, stability, and clearance. The TBNG is influenced by genetic, environmental, and metabolic factors, in part epigenetically imprinted, and responds to a variety of bioactive signals including cytokines and hormones. Accordingly, physiological and pathological events are reflected in distinct TBNG signatures. Here, we assess the specificity of the emerging disease-associated TBNG signatures with respect to a number of key glycosylation motifs including antennarity, linkage-specific sialylation, fucosylation, as well as expression of complex, hybrid-type and oligomannosidic N-glycans, and show perplexing complexity of the glycomic dimension of the studied diseases. Perspectives are given regarding the protein- and site-specific analysis of N-glycosylation, and the dissection of underlying regulatory layers and functional roles of blood protein N-glycosylation.
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Affiliation(s)
- Tamas Pongracz
- Center for Proteomics and Metabolomics, Leiden University Medical Center, 2333ZA Leiden, The Netherlands
| | - Oleg A. Mayboroda
- Center for Proteomics and Metabolomics, Leiden University Medical Center, 2333ZA Leiden, The Netherlands
| | - Manfred Wuhrer
- Center for Proteomics and Metabolomics, Leiden University Medical Center, 2333ZA Leiden, The Netherlands
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2
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Liu L, Liu L, Wang Y, Fang Z, Bian Y, Zhang W, Wang Z, Gao X, Zhao C, Tian M, Liu X, Qin H, Guo Z, Liang X, Dong M, Nie Y, Ye M. Robust Glycoproteomics Platform Reveals a Tetra-Antennary Site-Specific Glycan Capping with Sialyl-Lewis Antigen for Early Detection of Gastric Cancer. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2024; 11:e2306955. [PMID: 38084450 PMCID: PMC10916543 DOI: 10.1002/advs.202306955] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/21/2023] [Revised: 11/16/2023] [Indexed: 03/07/2024]
Abstract
The lack of efficient biomarkers for the early detection of gastric cancer (GC) contributes to its high mortality rate, so it is crucial to discover novel diagnostic targets for GC. Recent studies have implicated the potential of site-specific glycans in cancer diagnosis, yet it is challenging to perform highly reproducible and sensitive glycoproteomics analysis on large cohorts of samples. Here, a highly robust N-glycoproteomics (HRN) platform comprising an automated enrichment method, a stable microflow LC-MS/MS system, and a sensitive glycopeptide-spectra-deciphering tool is developed for large-scale quantitative N-glycoproteome analysis. The HRN platform is applied to analyze serum N-glycoproteomes of 278 subjects from three cohorts to investigate glycosylation changes of GC. It identifies over 20 000 unique site-specific glycans from discovery and validation cohorts, and determines four site-specific glycans as biomarker candidates. One candidate has branched tetra-antennary structure capping with sialyl-Lewis antigen, and it significantly outperforms serum CEA with AUC values > 0.89 compared against < 0.67 for diagnosing early-stage GC. The four-marker panel can provide improved diagnostic performances. Besides, discrimination powers of four candidates are also testified with a verification cohort using PRM strategy. This findings highlight the value of this strong tool in analyzing aberrant site-specific glycans for cancer detection.
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Affiliation(s)
- Luyao Liu
- CAS Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical PhysicsChinese Academy of SciencesDalian116023China
- University of Chinese Academy of SciencesBeijing101408China
| | - Lei Liu
- CAS Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical PhysicsChinese Academy of SciencesDalian116023China
- University of Chinese Academy of SciencesBeijing101408China
| | - Yan Wang
- CAS Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical PhysicsChinese Academy of SciencesDalian116023China
| | - Zheng Fang
- CAS Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical PhysicsChinese Academy of SciencesDalian116023China
| | - Yangyang Bian
- The College of Life SciencesNorthwest UniversityXi'an710127China
| | - Wenyao Zhang
- State Key Laboratory of Cancer Biology, Xijing Hospital of Digestive DiseasesFourth Military Medical UniversityXi'an710068China
| | - Zhongyu Wang
- CAS Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical PhysicsChinese Academy of SciencesDalian116023China
| | - Xianchun Gao
- State Key Laboratory of Cancer Biology, Xijing Hospital of Digestive DiseasesFourth Military Medical UniversityXi'an710068China
| | - Changrui Zhao
- MOE Key Laboratory of Bio‐Intelligent Manufacturing, School of BioengineeringDalian University of TechnologyDalian116024China
| | - Miaomiao Tian
- State Key Laboratory of Cancer Biology, Xijing Hospital of Digestive DiseasesFourth Military Medical UniversityXi'an710068China
| | - Xiaoyan Liu
- CAS Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical PhysicsChinese Academy of SciencesDalian116023China
| | - Hongqiang Qin
- CAS Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical PhysicsChinese Academy of SciencesDalian116023China
| | - Zhimou Guo
- CAS Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical PhysicsChinese Academy of SciencesDalian116023China
| | - Xinmiao Liang
- CAS Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical PhysicsChinese Academy of SciencesDalian116023China
| | - Mingming Dong
- MOE Key Laboratory of Bio‐Intelligent Manufacturing, School of BioengineeringDalian University of TechnologyDalian116024China
| | - Yongzhan Nie
- State Key Laboratory of Cancer Biology, Xijing Hospital of Digestive DiseasesFourth Military Medical UniversityXi'an710068China
| | - Mingliang Ye
- CAS Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical PhysicsChinese Academy of SciencesDalian116023China
- University of Chinese Academy of SciencesBeijing101408China
- State Key Laboratory of Medical ProteomicsBeijing102206China
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3
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Helms A, Brodbelt JS. Mass Spectrometry Strategies for O-Glycoproteomics. Cells 2024; 13:394. [PMID: 38474358 PMCID: PMC10930906 DOI: 10.3390/cells13050394] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2024] [Revised: 02/19/2024] [Accepted: 02/23/2024] [Indexed: 03/14/2024] Open
Abstract
Glycoproteomics has accelerated in recent decades owing to numerous innovations in the analytical workflow. In particular, new mass spectrometry strategies have contributed to inroads in O-glycoproteomics, a field that lags behind N-glycoproteomics due to several unique challenges associated with the complexity of O-glycosylation. This review will focus on progress in sample preparation, enrichment strategies, and MS/MS techniques for the identification and characterization of O-glycoproteins.
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Affiliation(s)
| | - Jennifer S. Brodbelt
- Department of Chemistry, The University of Texas at Austin, Austin, TX 78712, USA;
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4
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Hu H, He B, He M, Tao H, Li B. A glycosylation-related signature predicts survival in pancreatic cancer. Aging (Albany NY) 2023; 15:13710-13737. [PMID: 38048216 PMCID: PMC10756102 DOI: 10.18632/aging.205258] [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: 02/24/2023] [Accepted: 10/19/2023] [Indexed: 12/06/2023]
Abstract
BACKGROUND Tumor initiation and progression are closely associated with glycosylation. However, glycosylated molecules have not been the subject of extensive studies as prognostic markers for pancreatic cancer. The objectives of this study were to identify glycosylation-related genes in pancreatic cancer and use them to construct reliable prognostic models. MATERIALS AND METHODS The Cancer Genome Atlas and Gene Expression Omnibus databases were used to assess the differential expression of glycosylation-related genes; four clusters were identified based on consistent clustering analysis. Kaplan-Meier analyses identified three glycosylation-related genes associated with overall survival. LASSO analysis was then performed on The Cancer Genome Atlas and International Cancer Genome Consortium databases to identify glycosylation-related signatures. We identified 12 GRGs differently expressed in pancreatic cancer and selected three genes (SEL1L, TUBA1C, and SDC1) to build a prognostic model. Thereafter, patients were divided into high and low-risk groups. Eventually, we performed Quantitative real-time PCR (qRT-PCR) to validate the signature. RESULTS Clinical outcomes were significantly poorer in the high-risk group than in the low-risk group. There were also significant correlations between the high-risk group and several risk factors, including no-smoking history, drinking history, radiotherapy history, and lower tumor grade. Furthermore, the high-risk group had a higher proportion of immune cells. Eventually, three glycosylation-related genes were validated in human PC cell lines. CONCLUSION This study identified the glycosylation-related signature for pancreatic cancer. It is an effective predictor of survival and can guide treatment decisions.
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Affiliation(s)
- Huidong Hu
- Department of Oncology, The Affiliated Hospital of Southwest Medical University, Luzhou 646000, China
| | - Bingsheng He
- Department of Oncology, The Affiliated Hospital of Southwest Medical University, Luzhou 646000, China
| | - Mingang He
- Department of Gastrointestinal Surgery, Shandong Tumor Hospital and Institute, Shandong First Medical University and Shandong Academy of Medical Sciences, Jinan 250117, China
| | - Hengmin Tao
- Department of Head and Neck Radiotherapy, Shandong Provincial ENT Hospital, Shandong University, Jinan 250117, China
| | - Baosheng Li
- Department of Radiation Oncology, Shandong Cancer Hospital and Institute, Shandong First Medical University and Shandong Academy of Medical Sciences, Jinan 250117, China
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5
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Niazi SK. A Critical Analysis of the FDA's Omics-Driven Pharmacodynamic Biomarkers to Establish Biosimilarity. Pharmaceuticals (Basel) 2023; 16:1556. [PMID: 38004421 PMCID: PMC10675618 DOI: 10.3390/ph16111556] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2023] [Revised: 09/25/2023] [Accepted: 09/29/2023] [Indexed: 11/26/2023] Open
Abstract
Demonstrating biosimilarity entails comprehensive analytical assessment, clinical pharmacology profiling, and efficacy testing in patients for at least one medical indication, as required by the U.S. Biologics Price Competition and Innovation Act (BPCIA). The efficacy testing can be waived if the drug has known pharmacodynamic (PD) markers, leaving most therapeutic proteins out of this concession. To overcome this, the FDA suggests that biosimilar developers discover PD biomarkers using omics technologies such as proteomics, glycomics, transcriptomics, genomics, epigenomics, and metabolomics. This approach is redundant since the mode-action-action biomarkers of approved therapeutic proteins are already available, as compiled in this paper for the first time. Other potential biomarkers are receptor binding and pharmacokinetic profiling, which can be made more relevant to ensure biosimilarity without requiring biosimilar developers to conduct extensive research, for which they are rarely qualified.
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Affiliation(s)
- Sarfaraz K Niazi
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Illinois, Chicago, IL 60612, USA
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6
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Holland LA, Casto-Boggess LD. Gels in Microscale Electrophoresis. ANNUAL REVIEW OF ANALYTICAL CHEMISTRY (PALO ALTO, CALIF.) 2023; 16:161-179. [PMID: 37314879 DOI: 10.1146/annurev-anchem-091522-080207] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
Gel matrices are fundamental to electrophoresis analyses of biopolymers in microscale channels. Both capillary gel and microchannel gel electrophoresis systems have produced fundamental advances in the scientific community. These analytical techniques remain as foundational tools in bioanalytical chemistry and are indispensable in the field of biotherapeutics. This review summarizes the current state of gels in microscale channels and provides a brief description of electrophoretic transport in gels. In addition to the discussion of traditional polymers, several nontraditional gels are introduced. Advances in gel matrices highlighted include selective polymers modified to contain added functionality as well as thermally responsive gels formed through self-assembly. This review discusses cutting-edge applications to challenging areas of discovery in DNA, RNA, protein, and glycan analyses. Finally, emerging techniques that result in multifunctional assays for real-time biochemical processing in capillary and three-dimensional channels are identified.
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Affiliation(s)
- Lisa A Holland
- C. Eugene Bennett Department of Chemistry, West Virginia University, Morgantown, West Virginia, USA;
| | - Laura D Casto-Boggess
- C. Eugene Bennett Department of Chemistry, West Virginia University, Morgantown, West Virginia, USA;
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7
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Xie X, Kong S, Cao W. Targeting protein glycosylation to regulate inflammation in the respiratory tract: novel diagnostic and therapeutic candidates for chronic respiratory diseases. Front Immunol 2023; 14:1168023. [PMID: 37256139 PMCID: PMC10225578 DOI: 10.3389/fimmu.2023.1168023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2023] [Accepted: 05/02/2023] [Indexed: 06/01/2023] Open
Abstract
Protein glycosylation is a widespread posttranslational modification that can impact the function of proteins. Dysregulated protein glycosylation has been linked to several diseases, including chronic respiratory diseases (CRDs). CRDs pose a significant public health threat globally, affecting the airways and other lung structures. Emerging researches suggest that glycosylation plays a significant role in regulating inflammation associated with CRDs. This review offers an overview of the abnormal glycoenzyme activity and corresponding glycosylation changes involved in various CRDs, including chronic obstructive pulmonary disease, asthma, cystic fibrosis, idiopathic pulmonary fibrosis, pulmonary arterial hypertension, non-cystic fibrosis bronchiectasis, and lung cancer. Additionally, this review summarizes recent advances in glycomics and glycoproteomics-based protein glycosylation analysis of CRDs. The potential of glycoenzymes and glycoproteins for clinical use in the diagnosis and treatment of CRDs is also discussed.
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Affiliation(s)
- Xiaofeng Xie
- Shanghai Fifth People’s Hospital and Institutes of Biomedical Sciences, Fudan University, Shanghai, China
| | - Siyuan Kong
- Shanghai Fifth People’s Hospital and Institutes of Biomedical Sciences, Fudan University, Shanghai, China
| | - Weiqian Cao
- Shanghai Fifth People’s Hospital and Institutes of Biomedical Sciences, Fudan University, Shanghai, China
- NHC Key Laboratory of Glycoconjugates Research, Fudan University, Shanghai, China
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8
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Čaval T, Alisson-Silva F, Schwarz F. Roles of glycosylation at the cancer cell surface: opportunities for large scale glycoproteomics. Theranostics 2023; 13:2605-2615. [PMID: 37215580 PMCID: PMC10196828 DOI: 10.7150/thno.81760] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2022] [Accepted: 04/13/2023] [Indexed: 05/24/2023] Open
Abstract
Cell surface glycosylation has a variety of functions, and its dysregulation in cancer contributes to impaired signaling, metastasis and the evasion of the immune responses. Recently, a number of glycosyltransferases that lead to altered glycosylation have been linked to reduced anti-tumor immune responses: B3GNT3, which is implicated in PD-L1 glycosylation in triple negative breast cancer, FUT8, through fucosylation of B7H3, and B3GNT2, which confers cancer resistance to T cell cytotoxicity. Given the increased appreciation of the relevance of protein glycosylation, there is a critical need for the development of methods that allow for an unbiased interrogation of cell surface glycosylation status. Here we provide an overview of the broad changes in glycosylation at the surface of cancer cell and describe selected examples of receptors with aberrant glycosylation leading to functional changes, with emphasis on immune checkpoint inhibitors, growth-promoting and growth-arresting receptors. Finally, we posit that the field of glycoproteomics has matured to an extent where large-scale profiling of intact glycopeptides from the cell surface is feasible and is poised for discovery of new actionable targets against cancer.
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9
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Circulating galectin-1 delineates response to bevacizumab in melanoma patients and reprograms endothelial cell biology. Proc Natl Acad Sci U S A 2023; 120:e2214350120. [PMID: 36634146 PMCID: PMC9934167 DOI: 10.1073/pnas.2214350120] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023] Open
Abstract
Blockade of vascular endothelial growth factor (VEGF) signaling with bevacizumab, a humanized anti-VEGF monoclonal antibody (mAb), or with receptor tyrosine kinase inhibitors, has improved progression-free survival and, in some indications, overall survival across several types of cancers by interrupting tumor angiogenesis. However, the clinical benefit conferred by these therapies is variable, and tumors from treated patients eventually reinitiate growth. Previously we demonstrated, in mouse tumor models, that galectin-1 (Gal1), an endogenous glycan-binding protein, preserves angiogenesis in anti-VEGF-resistant tumors by co-opting the VEGF receptor (VEGFR)2 signaling pathway in the absence of VEGF. However, the relevance of these findings in clinical settings is uncertain. Here, we explored, in a cohort of melanoma patients from AVAST-M, a multicenter, open-label, randomized controlled phase 3 trial of adjuvant bevacizumab versus standard surveillance, the role of circulating plasma Gal1 as part of a compensatory mechanism that orchestrates endothelial cell programs in bevacizumab-treated melanoma patients. We found that increasing Gal1 levels over time in patients in the bevacizumab arm, but not in the observation arm, significantly increased their risks of recurrence and death. Remarkably, plasma Gal1 was functionally active as it was able to reprogram endothelial cell biology, promoting migration, tubulogenesis, and VEGFR2 phosphorylation. These effects were prevented by blockade of Gal1 using a newly developed fully human anti-Gal1 neutralizing mAb. Thus, using samples from a large-scale clinical trial from stage II and III melanoma patients, we validated the clinical relevance of Gal1 as a potential mechanism of resistance to bevacizumab treatment.
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10
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Wang H, Gao Y, He Q, Liao J, Zhou S, Liu Y, Guo C, Li X, Zhao X, Pan Y. 2-Hydrazinoterephthalic Acid as a Novel Negative-Ion Matrix-Assisted Laser Desorption/Ionization Matrix for Qualitative and Quantitative Matrix-Assisted Laser Desorption/Ionization-Mass Spectrometry Analysis of N-Glycans in Peach Allergy Research. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2023; 71:952-962. [PMID: 36541565 DOI: 10.1021/acs.jafc.2c06822] [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: 06/17/2023]
Abstract
Glycans recently attracted considerable attention as the proposal of cross-reactive carbohydrate determinants for food allergy. Matrix-assisted laser desorption/ionization-mass spectrometry (MALDI-MS) is powerful in analyzing biomolecules, while its applications in glycans are still challenging. Herein, a novel reactive matrix-assisted laser desorption/ionization (MALDI) matrix, 2-hydrazinoterephthalic acid, was rationally designed and synthesized. It provides uniform co-crystallization with glycans and only produces deprotonated ions with high intensities in the negative-ion mode. In combination with sinapic acid, a rapid and high-throughput method was established for on-target analysis of glycans with a superior limit of detection at the femtomole level and a good linearity (R2 > 0.999). Furthermore, the established method was successfully applied to quantify N-glycans in different cultivars and tissues of peach [Prunus persica (L.) Batsch]. Our work suggests the potential role of N-glycans as biomarkers for food-borne allergy and lays a methodological foundation for the elucidation of the possible relationship between carbohydrate epitopes and food allergy.
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Affiliation(s)
- Huiwen Wang
- Department of Chemistry, Zhejiang University, Hangzhou, Zhejiang 310027, People's Republic of China
| | - Yuexia Gao
- Zhejiang Provincial Key Laboratory of Horticultural Plant Integrative Biology, Zhejiang University, Hangzhou, Zhejiang 310058, People's Republic of China
| | - Quan He
- Department of Chemistry, Zhejiang University, Hangzhou, Zhejiang 310027, People's Republic of China
| | - Jiancong Liao
- Department of Chemistry, Zhejiang University, Hangzhou, Zhejiang 310027, People's Republic of China
| | - Shiwen Zhou
- Department of Chemistry, Zhejiang University, Hangzhou, Zhejiang 310027, People's Republic of China
| | - Yaqin Liu
- Department of Chemistry, Zhejiang University, Hangzhou, Zhejiang 310027, People's Republic of China
| | - Cheng Guo
- Cancer Institute (Key Laboratory of Cancer Prevention and Intervention, China National Ministry of Education), The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang 310009, People's Republic of China
| | - Xian Li
- Zhejiang Provincial Key Laboratory of Horticultural Plant Integrative Biology, Zhejiang University, Hangzhou, Zhejiang 310058, People's Republic of China
| | - Xiaoyong Zhao
- Zhejiang Provincial Key Laboratory of Horticultural Plant Integrative Biology, Zhejiang University, Hangzhou, Zhejiang 310058, People's Republic of China
| | - Yuanjiang Pan
- Department of Chemistry, Zhejiang University, Hangzhou, Zhejiang 310027, People's Republic of China
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11
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Zhou Q, Alvarez MRS, Solakyildirim K, Tena J, Serrano LMN, Lam M, Nguyen C, Tobias F, Hummon AB, Nacario RC, Lebrilla CB. Multi-glycomic analysis of spheroid glycocalyx differentiates 2- and 3-dimensional cell models. Glycobiology 2023; 33:2-16. [PMID: 36345209 PMCID: PMC9829041 DOI: 10.1093/glycob/cwac075] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2022] [Revised: 09/10/2022] [Accepted: 09/26/2022] [Indexed: 11/09/2022] Open
Abstract
A multi-glycomic method for characterizing the glycocalyx was employed to identify the difference between 2-dimensional (2D) and 3-dimensional (3D) culture models with two human colorectal cancer cell lines, HCT116 and HT29. 3D cell cultures are considered more representative of cancer due to their ability to mimic the microenvironment found in tumors. For this reason, they have become an important tool in cancer research. Cell-cell interactions increase in 3D models compared to 2D, indeed significant glycomic changes were observed for each cell line. Analyses included the N-glycome, O-glycome, glycolipidome, glycoproteome, and proteome providing the most extensive characterization of the glycocalyx between 3D and 2D thus far. The different glycoconjugates were affected in different ways. In the N-glycome, the 3D cells increased in high-mannose glycosylation and in core fucosylation. Glycolipids increased in sialylation. Specific glycoproteins were found to increase in the 3D cell, elucidating the pathways that are affected between the two models. The results show large structural and biological changes between the 2 models suggesting that the 2 are indeed very different potentially affecting individual outcomes in the study of diseases.
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Affiliation(s)
- Qingwen Zhou
- Department of Chemistry, University of California, Davis, CA, United States
| | - Michael Russelle S Alvarez
- Department of Chemistry, University of California, Davis, CA, United States
- Institute of Chemistry, University of the Philippines Los Banos, Los Banos, Laguna, Philippines
| | - Kemal Solakyildirim
- Department of Chemistry, University of California, Davis, CA, United States
- Department of Chemistry, Erzincan Binali Yildirim University, Erzincan, Turkey
| | - Jennyfer Tena
- Department of Chemistry, University of California, Davis, CA, United States
| | - Luster Mae N Serrano
- Institute of Chemistry, University of the Philippines Los Banos, Los Banos, Laguna, Philippines
| | - Matthew Lam
- Department of Chemistry, University of California, Davis, CA, United States
| | - Cynthia Nguyen
- Department of Chemistry, University of California, Davis, CA, United States
| | - Fernando Tobias
- Department of Chemistry and Biochemistry, The Comprehensive Cancer Center, The Ohio State University, Columbus, OH, United States
| | - Amanda B Hummon
- Department of Chemistry and Biochemistry, The Comprehensive Cancer Center, The Ohio State University, Columbus, OH, United States
| | - Ruel C Nacario
- Institute of Chemistry, University of the Philippines Los Banos, Los Banos, Laguna, Philippines
| | - Carlito B Lebrilla
- Department of Chemistry, University of California, Davis, CA, United States
- Department of Chemistry, Biochemistry, Molecular, Cellular and Developmental Biology Graduate Group, University of California, Davis, CA, United States
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12
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Harvey DJ. Analysis of carbohydrates and glycoconjugates by matrix-assisted laser desorption/ionization mass spectrometry: An update for 2017-2018. MASS SPECTROMETRY REVIEWS 2023; 42:227-431. [PMID: 34719822 DOI: 10.1002/mas.21721] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/14/2021] [Revised: 07/26/2021] [Accepted: 07/26/2021] [Indexed: 06/13/2023]
Abstract
This review is the tenth update of the original article published in 1999 on the application of matrix-assisted laser desorption/ionization mass spectrometry (MALDI) mass spectrometry to the analysis of carbohydrates and glycoconjugates and brings coverage of the literature to the end of 2018. Also included are papers that describe methods appropriate to glycan and glycoprotein analysis by MALDI, such as sample preparation techniques, even though the ionization method is not MALDI. Topics covered in the first part of the review include general aspects such as theory of the MALDI process, new methods, matrices, derivatization, MALDI imaging, fragmentation and the use of arrays. The second part of the review is devoted to applications to various structural types such as oligo- and poly-saccharides, glycoproteins, glycolipids, glycosides, and biopharmaceuticals. Most of the applications are presented in tabular form. The third part of the review covers medical and industrial applications of the technique, studies of enzyme reactions, and applications to chemical synthesis. The reported work shows increasing use of combined new techniques such as ion mobility and highlights the impact that MALDI imaging is having across a range of diciplines. MALDI is still an ideal technique for carbohydrate analysis and advancements in the technique and the range of applications continue steady progress.
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Affiliation(s)
- David J Harvey
- Nuffield Department of Medicine, Target Discovery Institute, University of Oxford, Oxford, UK
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13
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Hristova J, Svinarov D. Enhancing precision medicine through clinical mass spectrometry platform. BIOTECHNOL BIOTEC EQ 2022. [DOI: 10.1080/13102818.2022.2053342] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022] Open
Affiliation(s)
- Julieta Hristova
- Alexander University Hospital, Faculty of Medicine, Medical University of Sofia, Sofia, Bulgaria
| | - Dobrin Svinarov
- Alexander University Hospital, Faculty of Medicine, Medical University of Sofia, Sofia, Bulgaria
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14
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Yang B, Mai TD, Tran NT, Taverna M. In capillary labeling and online electrophoretic separation of N-glycans from glycoproteins. J Sep Sci 2022; 45:3594-3603. [PMID: 35820058 PMCID: PMC9796131 DOI: 10.1002/jssc.202200340] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2022] [Revised: 06/16/2022] [Accepted: 07/07/2022] [Indexed: 01/01/2023]
Abstract
In this study, we present a new approach for in-capillary fluorescent labeling of N-glycans prior to their analysis with CE coupled with laser-induced fluorescent detection. This integrated approach allows using a CE capillary as a microreactor to perform several steps required for labeling glycans with 8-aminopyrene-1,3,6 trisulfonic acid and at the same time as a separation channel for CE of fluorescently labeled glycans. This could be achieved through careful optimization of all different steps, including sequential injections of fluorescent dye and glycan plugs, mixing by transverse diffusion of laminar flow profiles, incubation in a thermostatic zone, and finally separation and detection with CE. Such a complex sample treatment protocol for glycan labeling that is feasible thus far only in batchwise mode can now be converted into an automated and integrated protocol. Our approach was applied successfully to analyze fluorescently labeled N-linked oligosaccharides released from human immunoglobulin G and rituximab, a monoclonal antibody used for cancer treatment. We demonstrated the superiority of this in-capillary approach over the conventional in-tube protocol, with fourfold less reagent consumption and full automation without remarkable degradation of the glycan separation profile obtained by capillary electrophoresis.
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Affiliation(s)
- Bin Yang
- Université Paris‐Saclay, CNRS, Faculté de PharmacieInstitut Galien Paris‐SaclayBâtiment Henri Moissan, 17 Avenue des SciencesOrsay91400France
| | - Thanh Duc Mai
- Université Paris‐Saclay, CNRS, Faculté de PharmacieInstitut Galien Paris‐SaclayBâtiment Henri Moissan, 17 Avenue des SciencesOrsay91400France
| | - Nguyet Thuy Tran
- Université Paris‐Saclay, CNRS, Faculté de PharmacieInstitut Galien Paris‐SaclayBâtiment Henri Moissan, 17 Avenue des SciencesOrsay91400France
| | - Myriam Taverna
- Université Paris‐Saclay, CNRS, Faculté de PharmacieInstitut Galien Paris‐SaclayBâtiment Henri Moissan, 17 Avenue des SciencesOrsay91400France,Institut Universitaire de France (IUF)ParisFrance
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15
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Zhang H, Shi X, Liu Y, Wang B, Xu M, Welham NV, Li L. On-tissue amidation of sialic acid with aniline for sensitive imaging of sialylated N-glycans from FFPE tissue sections via MALDI mass spectrometry. Anal Bioanal Chem 2022; 414:5263-5274. [PMID: 35072748 PMCID: PMC9381140 DOI: 10.1007/s00216-022-03894-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2021] [Revised: 12/24/2021] [Accepted: 01/10/2022] [Indexed: 01/06/2023]
Abstract
Spatial visualization of glycans within clinical tissue samples is critical for discovery of disease-relevant glycan dysregulations. Herein, we develop an on-tissue derivatization strategy for sensitive spatial visualization of N-glycans from formalin-fixed paraffin-embedded (FFPE) tissue sections, based on amidation of sialic acid residues with aniline. The sialylated N-glycans were stabilized and given enhanced signal intensity owing to selective capping of a phenyl group to the sialic acid residue after aniline labeling. Proof-of-concept experiments, including determinations of sialylglycopeptide and N-glycans enzymatically released from glycoproteins, were performed. Further, mass spectrometry (MS) imaging of N-glycans on human laryngeal cancer FFPE tissue sections was conducted via matrix-assisted laser desorption/ionization mass spectrometry imaging (MALDI-MSI), based on our strategy for on-tissue amidation of sialylated N-glycans. We obtained higher sialylated N-glycan coverages for both the glycoproteins and cancer tissue samples, demonstrating that the detection sensitivity for sialylated N-glycans is notably improved by amidation derivatization. We also characterized N-glycan heterogeneity across the human laryngeal cancer tissue section, showing N-glycan dysregulation in the tumor region.
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Affiliation(s)
- Hua Zhang
- School of Pharmacy, University of Wisconsin-Madison, 777 Highland Ave, Madison, WI, 53705, USA
| | - Xudong Shi
- Division of Otolaryngology, Department of Surgery, School of Medicine and Public Health, University of Wisconsin-Madison, Madison, WI, 53792, USA
| | - Yuan Liu
- School of Pharmacy, University of Wisconsin-Madison, 777 Highland Ave, Madison, WI, 53705, USA
| | - Bin Wang
- School of Pharmacy, University of Wisconsin-Madison, 777 Highland Ave, Madison, WI, 53705, USA
| | - Meng Xu
- Department of Chemistry, University of Wisconsin-Madison, Madison, WI, 53706, USA
| | - Nathan V Welham
- Division of Otolaryngology, Department of Surgery, School of Medicine and Public Health, University of Wisconsin-Madison, Madison, WI, 53792, USA
| | - Lingjun Li
- School of Pharmacy, University of Wisconsin-Madison, 777 Highland Ave, Madison, WI, 53705, USA.
- Department of Chemistry, University of Wisconsin-Madison, Madison, WI, 53706, USA.
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16
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Gao Z, He Y, He Q, Wei W, Luo Y, Ma Z, Chen W, Chu F, Zhang S, Liu Y, Pan Y. Multidimensional identification of disaccharide isomers based on non-covalent complexes and tandem mass spectrometry. Talanta 2022; 249:123674. [PMID: 35717753 DOI: 10.1016/j.talanta.2022.123674] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2022] [Revised: 06/01/2022] [Accepted: 06/09/2022] [Indexed: 11/26/2022]
Abstract
Glycans are the most abundant organic polymers in nature. They are essential to living organisms and regulate a wide range of biological functions. However, mass spectrometry-based identification of glycan isomers remains challenging due to the complexity of their structures including their complex compositions, linkages, and anomeric configurations. In this study, two novel complex ions, the mononuclear copper-bound dimeric ions [(Cu2+)(A)(L-His)-H]+ and the mononuclear copper-bound quaternary ions [(Cu2+)(A)(L-Ser)3-H]+ (where A denotes a disaccharide, and L-Ser/His denotes l-serine/histidine), were designed for the collision-induced dissociation-based identification and relative quantification of 14 disaccharide isomers. When the unique fragmentation patterns of the above two types of complex ions were mapped into a three-dimensional vector, all the isomers were completely distinguished. Of note, the established method is able to identify mixtures of linkage isomers only using tandem mass spectrometry based on linkage-specific fragment ions of histidine-based complex ions. Finally, the method was successfully applied to the identification and relative quantification of two disaccharide isomers (lactose and sucrose) in dairy beverages. In conclusion, the established method is sensitive to subtle structural differences in disaccharide isomers and has the potential to be used for the differentiation of various glycans.
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Affiliation(s)
- Zhan Gao
- Department of Chemistry, Zhejiang University, Hangzhou, 310027, Zhejiang, PR China
| | - Yuwen He
- Department of Chemistry, Zhejiang University, Hangzhou, 310027, Zhejiang, PR China
| | - Quan He
- Department of Chemistry, Zhejiang University, Hangzhou, 310027, Zhejiang, PR China
| | - Wei Wei
- Department of Chemistry, Zhejiang University, Hangzhou, 310027, Zhejiang, PR China
| | - Yuanqing Luo
- Department of Chemistry, Zhejiang University, Hangzhou, 310027, Zhejiang, PR China
| | - Zihan Ma
- Department of Chemistry, Zhejiang University, Hangzhou, 310027, Zhejiang, PR China
| | - Weiwei Chen
- Department of Chemistry, Zhejiang University, Hangzhou, 310027, Zhejiang, PR China
| | - Fengjian Chu
- College of Information Science and Electronic Engineering, Zhejiang University, Hangzhou, 310027, PR China
| | - Shuheng Zhang
- Department of Chemistry, Zhejiang University, Hangzhou, 310027, Zhejiang, PR China
| | - Yaqin Liu
- Department of Chemistry, Zhejiang University, Hangzhou, 310027, Zhejiang, PR China
| | - Yuanjiang Pan
- Department of Chemistry, Zhejiang University, Hangzhou, 310027, Zhejiang, PR China.
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17
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Liang Y, Fu B, Zhang Y, Lu H. Progress of proteomics-driven precision medicine: From a glycosylation view. RAPID COMMUNICATIONS IN MASS SPECTROMETRY : RCM 2022; 36:e9288. [PMID: 35261114 DOI: 10.1002/rcm.9288] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/27/2021] [Revised: 02/23/2022] [Accepted: 02/26/2022] [Indexed: 05/08/2023]
Abstract
Currently, cancer is one of the leading causes of death worldwide, partially owing to the lack of early diagnosis methods and effective therapies. With the rapid development of various omics, the precision medicine strategy becomes a promising way to increase the survival rates by considering individual differences. Glycosylation is one of the most essential protein post-translational modifications and plays important roles in a variety of biological processes. Therefore, it is highly possible to acquire understanding of the molecular mechanisms as well as discover novel potential markers for diagnosis and prognosis based on glycoproteomics research. This review summarizes the recent glycoproteomics studies about N-glycosylation of several cancer types, mainly in the past 5 years. We also highlight corresponding mass spectrometry-based analytical methods to give a brief overview on the main techniques applied in glycoproteomics.
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Affiliation(s)
- Yuying Liang
- Shanghai Cancer Center and Department of Chemistry, Fudan University, Shanghai, People's Republic of China
| | - Bin Fu
- Shanghai Cancer Center and Department of Chemistry, Fudan University, Shanghai, People's Republic of China
| | - Ying Zhang
- Shanghai Cancer Center and Department of Chemistry, Fudan University, Shanghai, People's Republic of China
- Institutes of Biomedical Sciences and NHC Key Laboratory of Glycoconjugates Research, Fudan University, Shanghai, People's Republic of China
| | - Haojie Lu
- Shanghai Cancer Center and Department of Chemistry, Fudan University, Shanghai, People's Republic of China
- Institutes of Biomedical Sciences and NHC Key Laboratory of Glycoconjugates Research, Fudan University, Shanghai, People's Republic of China
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18
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Increased levels of acidic free-N-glycans, including multi-antennary and fucosylated structures, in the urine of cancer patients. PLoS One 2022; 17:e0266927. [PMID: 35413075 PMCID: PMC9004742 DOI: 10.1371/journal.pone.0266927] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2022] [Accepted: 03/29/2022] [Indexed: 12/01/2022] Open
Abstract
We recently reported increased levels of urinary free-glycans in some cancer patients. Here, we focused on cancer related alterations in the levels of high molecular weight free-glycans. The rationale for this study was that branching, elongation, fucosylation and sialylation, which lead to increases in the molecular weight of glycans, are known to be up-regulated in cancer. Urine samples from patients with gastric cancer, pancreatic cancer, cholangiocarcinoma and colorectal cancer and normal controls were analyzed. The extracted free-glycans were fluorescently labeled with 2-aminopyridine and analyzed by multi-step liquid chromatography. Comparison of the glycan profiles revealed increased levels of glycans in some cancer patients. Structural analysis of the glycans was carried out by performing chromatography and mass spectrometry together with enzymatic or chemical treatments. To compare glycan levels between samples with high sensitivity and selectivity, simultaneous measurements by reversed-phase liquid chromatography-selected ion monitoring of mass spectrometry were also performed. As a result, three lactose-core glycans and 78 free-N-glycans (one phosphorylated oligomannose-type, four sialylated hybrid-type and 73 bi-, tri- and tetra-antennary complex-type structures) were identified. Among them, glycans with α1,3-fucosylation ((+/− sialyl) Lewis X), triply α2,6-sialylated tri-antennary structures and/or a (Man3)GlcNAc1-core displayed elevated levels in cancer patients. However, simple α2,3-sialylation and α1,6-core-fucosylation did not appear to contribute to the observed increase in the level of glycans. Interestingly, one tri-antennary free-N-glycan that showed remarkable elevation in some cancer patients contained a unique Glcβ1-4GlcNAc-core instead of the common GlcNAc2-core at the reducing end. This study provides further insights into free-glycans as potential tumor markers and their processing pathways in cancer.
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19
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Glycomic and Glycoproteomic Techniques in Neurodegenerative Disorders and Neurotrauma: Towards Personalized Markers. Cells 2022; 11:cells11030581. [PMID: 35159390 PMCID: PMC8834236 DOI: 10.3390/cells11030581] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2021] [Revised: 01/22/2022] [Accepted: 02/03/2022] [Indexed: 12/16/2022] Open
Abstract
The proteome represents all the proteins expressed by a genome, a cell, a tissue, or an organism at any given time under defined physiological or pathological circumstances. Proteomic analysis has provided unparalleled opportunities for the discovery of expression patterns of proteins in a biological system, yielding precise and inclusive data about the system. Advances in the proteomics field opened the door to wider knowledge of the mechanisms underlying various post-translational modifications (PTMs) of proteins, including glycosylation. As of yet, the role of most of these PTMs remains unidentified. In this state-of-the-art review, we present a synopsis of glycosylation processes and the pathophysiological conditions that might ensue secondary to glycosylation shortcomings. The dynamics of protein glycosylation, a crucial mechanism that allows gene and pathway regulation, is described. We also explain how-at a biomolecular level-mutations in glycosylation-related genes may lead to neuropsychiatric manifestations and neurodegenerative disorders. We then analyze the shortcomings of glycoproteomic studies, putting into perspective their downfalls and the different advanced enrichment techniques that emanated to overcome some of these challenges. Furthermore, we summarize studies tackling the association between glycosylation and neuropsychiatric disorders and explore glycoproteomic changes in neurodegenerative diseases, including Alzheimer's disease, Parkinson's disease, Huntington disease, multiple sclerosis, and amyotrophic lateral sclerosis. We finally conclude with the role of glycomics in the area of traumatic brain injury (TBI) and provide perspectives on the clinical application of glycoproteomics as potential diagnostic tools and their application in personalized medicine.
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20
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Yu A, Zhao J, Yadav SPS, Molitoris BA, Wagner MC, Mechref Y. Changes in the Expression of Renal Brush Border Membrane N-Glycome in Model Rats with Chronic Kidney Diseases. Biomolecules 2021; 11:1677. [PMID: 34827675 PMCID: PMC8616023 DOI: 10.3390/biom11111677] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2021] [Revised: 11/08/2021] [Accepted: 11/09/2021] [Indexed: 12/15/2022] Open
Abstract
Chronic kidney disease (CKD) is defined by a reduced renal function i.e., glomerular filtration rate (GFR), and the presence of kidney damage is determined by measurement of proteinuria or albuminuria. Albuminuria increases with age and can result from glomerular and/or proximal tubule (PT) alterations. Brush-border membranes (BBMs) on PT cells play an important role in maintaining the stability of PT functions. The PT BBM, a highly dynamic, organized, specialized membrane, contains a variety of glycoproteins required for the functions of PT. Since protein glycosylation regulates many protein functions, the alteration of glycosylation due to the glycan changes has attracted more interests for a variety of disease studies recently. In this work, liquid chromatography-tandem mass spectrometry was utilized to analyze the abundances of permethylated glycans from rats under control to mild CKD, severe CKD, and diabetic conditions. The most significant differences were observed in sialylation level with the highest present in the severe CKD and diabetic groups. Moreover, high mannose N-glycans was enriched in the CKD BBMs. Characterization of all the BBM N-glycan changes supports that these changes are likely to impact the functional properties of the dynamic PT BBM. Further, these changes may lead to the potential discovery of glycan biomarkers for improved CKD diagnosis and new avenues for therapeutic treatments.
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Affiliation(s)
- Aiying Yu
- Department of Chemistry and Biochemistry, Texas Tech University, Texas City, TX 79409, USA; (A.Y.); (J.Z.)
| | - Jingfu Zhao
- Department of Chemistry and Biochemistry, Texas Tech University, Texas City, TX 79409, USA; (A.Y.); (J.Z.)
| | - Shiv Pratap S. Yadav
- Nephrology Division, Department of Medicine, Indiana University, Indianapolis, IN 46202, USA; (S.P.S.Y.); (B.A.M.); (M.C.W.)
| | - Bruce A. Molitoris
- Nephrology Division, Department of Medicine, Indiana University, Indianapolis, IN 46202, USA; (S.P.S.Y.); (B.A.M.); (M.C.W.)
| | - Mark C. Wagner
- Nephrology Division, Department of Medicine, Indiana University, Indianapolis, IN 46202, USA; (S.P.S.Y.); (B.A.M.); (M.C.W.)
| | - Yehia Mechref
- Department of Chemistry and Biochemistry, Texas Tech University, Texas City, TX 79409, USA; (A.Y.); (J.Z.)
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21
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Liénard-Mayor T, Yang B, Tran NT, Bruneel A, Guttman A, Taverna M, Mai TD. High sensitivity capillary electrophoresis with fluorescent detection for glycan mapping. J Chromatogr A 2021; 1657:462593. [PMID: 34689907 DOI: 10.1016/j.chroma.2021.462593] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2021] [Revised: 09/22/2021] [Accepted: 09/28/2021] [Indexed: 11/16/2022]
Abstract
We present in this study a novel strategy to drastically improve the detection sensitivity and peak capacity for capillary electrophoresis with laser induced fluorescent detection (CE-LIF) of glucose oligomers and released glycans. This is based on a new approach exploiting a polymer-free background electrolyte (BGE) for CE-LIF of glycans. The best performance in terms of sample stacking and suppression of electroosmotic flow (EOF) was found for a BGE composed of triethanolamine/citric acid and triethanolamine/acetic acid at elevated ionic strengths (IS up to 200 mM). Compared to the conventional protocols for CE-LIF of glucose-oligosaccharides and released glycans, our polymer-free strategy offered up to 5-fold improvement of detection sensitivity and visualization of higher degree of polymerization (DP) of glucose oligomers (18 vs 15). To further improve the detection sensitivity, a new electrokinetic preconcentration strategy via large volume sample stacking with electroosmotic modulation without having recourse to neutrally coated capillaries is proposed, offering a 200-fold signal enhancement. This approach is based on variation of the buffer's IS, rather than pH adjustment as in conventional methods, for EOF modulation or quasi-total reduction. This strategy allows selecting with high flexibility the best pH conditions to perform efficient preconcentration and separation. The new approach was demonstrated to be applicable for the analysis of N-linked oligosaccharides released from a model glycoprotein (Human Immunoglobulin G) and applied to map N-glycans from human serum for congenital disorders of glycosylation (CDG) diagnosis.
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Affiliation(s)
- Théo Liénard-Mayor
- Institut Galien Paris Sud, UMR 8612, Protein and Nanotechnology in Analytical Science (PNAS), CNRS, Univ. Paris-Sud, Univ. Paris-Saclay, 5 rue Jean Baptiste Clément, 92290 Châtenay-Malabry, France
| | - Bin Yang
- Institut Galien Paris Sud, UMR 8612, Protein and Nanotechnology in Analytical Science (PNAS), CNRS, Univ. Paris-Sud, Univ. Paris-Saclay, 5 rue Jean Baptiste Clément, 92290 Châtenay-Malabry, France
| | - Nguyet Thuy Tran
- Institut Galien Paris Sud, UMR 8612, Protein and Nanotechnology in Analytical Science (PNAS), CNRS, Univ. Paris-Sud, Univ. Paris-Saclay, 5 rue Jean Baptiste Clément, 92290 Châtenay-Malabry, France
| | - Arnaud Bruneel
- Université Paris-Saclay, INSERM UMR1193, Mécanismes cellulaires et moléculaires de l'adaptation au stress et cancérogenèse, Châtenay-Malabry, France; AP-HP, Biochimie Métabolique et Cellulaire, Hôpital Bichat-Claude Bernard, Paris, France
| | - Andras Guttman
- Translational Glycomics Research Group, Research Institute of Biomolecular and Chemical Engineering, University of Pannonia, 10 Egyetem Street, Veszprem 8200, Hungary; Horváth Csaba Laboratory of Bioseparation Sciences, Research Centre for Molecular Medicine, Faculty of Medicine, University of Debrecen, 98 Nagyerdei Krt, Debrecen, 4032, Hungary
| | - Myriam Taverna
- Institut Galien Paris Sud, UMR 8612, Protein and Nanotechnology in Analytical Science (PNAS), CNRS, Univ. Paris-Sud, Univ. Paris-Saclay, 5 rue Jean Baptiste Clément, 92290 Châtenay-Malabry, France; Institut Universitaire de France (IUF)
| | - Thanh Duc Mai
- Institut Galien Paris Sud, UMR 8612, Protein and Nanotechnology in Analytical Science (PNAS), CNRS, Univ. Paris-Sud, Univ. Paris-Saclay, 5 rue Jean Baptiste Clément, 92290 Châtenay-Malabry, France.
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22
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Ling L, Yu S, Ding C. 4-Hydrazinoquinazoline acting as a reactive matrix for the rapid and sensitive analysis of neutral and sialylated glycans using MALDI MS. Analyst 2021; 146:6840-6845. [PMID: 34608469 DOI: 10.1039/d1an01452h] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The direct analysis of glycans by matrix-assisted laser desorption/ionization mass spectrometry (MALDI MS) presents limited sensitivity due to the lower ionization efficiency of glycans. Various chemical derivatization methods have been developed to improve the detection sensitivity of glycans, but most of them need tedious preparation and cleanup procedures. Herein, a reactive matrix, 4-hydrazinoquinazoline (4-HQ), was developed for the rapid and sensitive detection of both neutral and sialylated glycans by MALDI MS. With 4-HQ as the reactive matrix, the detection limits of maltoheptaose and A3 glycan decreased 100-fold and 20-fold, respectively, compared with the conventional matrix. Moreover, 4-HQ formed homogeneous crystals and therefore showed good shot-to-shot reproducibility. Finally, the reactive matrix was successfully applied for the analysis of glycans released from glycoproteins and human serum. Importantly, the application of 4-HQ is the same as that of a conventional matrix with the additional advantage of on-target reaction at room temperature. Thus, 4-HQ can be used for the routine analysis of glycans by MALDI MS due to its simple use, great reproducibility, and enhanced detection of both neutral and sialylated glycans.
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Affiliation(s)
- Ling Ling
- Key Laboratory of Advanced Mass Spectrometry and Molecular Analysis of Zhejiang Province, Institute of Mass Spectrometry, School of Material Science and Chemical Engineering, Ningbo University, Ningbo 315211, China.
| | - Shaoning Yu
- Key Laboratory of Advanced Mass Spectrometry and Molecular Analysis of Zhejiang Province, Institute of Mass Spectrometry, School of Material Science and Chemical Engineering, Ningbo University, Ningbo 315211, China.
| | - Chuanfan Ding
- Key Laboratory of Advanced Mass Spectrometry and Molecular Analysis of Zhejiang Province, Institute of Mass Spectrometry, School of Material Science and Chemical Engineering, Ningbo University, Ningbo 315211, China.
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23
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Wang C, Tang R, Pan L, Wu W, Ma S, Wei Y, Ou J. Preparation of core-shell microporous organic polymer-coated silica microspheres for chromatographic separation and N-glycopeptides enrichment. J Sep Sci 2021; 45:1458-1468. [PMID: 34559936 DOI: 10.1002/jssc.202100466] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2021] [Revised: 09/14/2021] [Accepted: 09/17/2021] [Indexed: 11/10/2022]
Abstract
Through a "one-pot" strategy, a layer of microporous organic polymer was coated onto the surface of monodisperse amino-functionalized silica microsphere via amino-aldehyde condensation reaction with core-shell structure. The change in chemical structure of material before and after modification was determined by Fourier-transform infrared spectroscopy and X-ray photoelectron spectroscopy. Due to existence of a large number of amino and aldehyde groups in microporous organic polymer shell, the water contact angle decreased from 56.8° (silica microspheres) to 34.7° (microporous organic polymer-coated silica microspheres). Based on these properties, microporous organic polymer-coated silica microspheres were employed as the stationary phase for capillary liquid chromatography and successfully offered baseline separation of polar small molecules. Additionally, the material could also be served as the sorbent of hydrophilic interaction chromatography to enrich glycopeptides from human serum digest. A total of 470 unique N-glycopeptides and 342 N-glycosylation sites mapped to 112 N-glycosylated proteins were unambiguously identified from 2 μL of human serum, exhibiting a promising application prospect of microporous organic polymer-coated silica microspheres in the pretreatment of proteomics samples.
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Affiliation(s)
- Chenyang Wang
- Key Laboratory of Synthetic and Natural Function Molecule Chemistry of Ministry of Education, College of Chemistry and Materials Science, Northwest University, Xi'an, P. R. China.,Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences (CAS), Dalian, P. R. China
| | - Ruizhi Tang
- Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences (CAS), Dalian, P. R. China
| | - Lei Pan
- Key Laboratory of Synthetic and Natural Function Molecule Chemistry of Ministry of Education, College of Chemistry and Materials Science, Northwest University, Xi'an, P. R. China.,Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences (CAS), Dalian, P. R. China
| | - Wenrui Wu
- Key Laboratory of Synthetic and Natural Function Molecule Chemistry of Ministry of Education, College of Chemistry and Materials Science, Northwest University, Xi'an, P. R. China.,Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences (CAS), Dalian, P. R. China
| | - Shujuan Ma
- Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences (CAS), Dalian, P. R. China
| | - Yinmao Wei
- Key Laboratory of Synthetic and Natural Function Molecule Chemistry of Ministry of Education, College of Chemistry and Materials Science, Northwest University, Xi'an, P. R. China
| | - Junjie Ou
- Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences (CAS), Dalian, P. R. China.,University of Chinese Academy of Sciences, Beijing, P. R. China
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24
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Zhang X, Zhang C, Li N, Pan W, Fu M, Ong'achwa Machuki J, Ge K, Liu Z, Gao F. Gold-Bipyramid-Based Nanothernostics: FRET-Mediated Protein-Specific Sialylation Visualization and Oxygen-Augmenting Phototherapy against Hypoxic Tumor. Anal Chem 2021; 93:12103-12115. [PMID: 34428035 DOI: 10.1021/acs.analchem.1c02625] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Despite several attempts, incorporating biological detection that supplies necessary biological information into therapeutic nanotheranostics for hypoxic tumor treatments is considered to be in its infancy. It is therefore imperative to consolidate biological detection and desirable phototherapy into a single nanosystem for maximizing theranostic advantages. Herein, we develop a versatile nanoprobe through combined fluorescence resonance energy transfer (FRET) and oxygen-augmenting strategy, namely APT, which enables glycosylation detection, O2 self-sufficiency, and collaborative phototherapy. Such APT nanoprobes were constructed by depositing platinum onto gold nano-bipyramids (Au NBPs), linking FITC fluorophore-labeled AS1411 aptamers for introducing FRET donors, and by conjugating G-quadruplex intercalated with TMPyP4 to their surfaces via the SH-DNA chain. By installing FRET acceptors on the glycan of targeted EpCAM glycoprotein using the metabolic glycan labeling and click chemistry, FRET signals appear on the cancerous cell membranes, not normal cells, when donors and acceptors are within an appropriate distance. This actualizes protein-specific glycosylation visualization while revealing glycan-based changes correlated with tumor progression. Interestingly, the deposited platinum scavenges excessive H2O2 as artificial nanoenzymes to transform O2 that alleviates tumor hypoxia and simultaneously elevates singlet oxygen (1O2) for inducing cancer cell apoptosis. Notably, the significant hyperthermia devastation was elicited via APT nanoprobes with phenomenal photothermal therapy (PTT) efficiency (71.8%) for thermally ablating cancer cells, resulting in synergistically enhanced photodynamic-hyperthermia therapy. Consequently, APT nanoprobes nearly actualized thorough tumor ablation while demonstrating highly curative biosafety. This work offers a new paradigm to rationally explore a combined FRET and oxygen-augmenting strategy with a focus on nanotheranostics for hypoxic tumor elimination.
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Affiliation(s)
- Xing Zhang
- Jiangsu Key Laboratory of New Drug Research and Clinical Pharmacy, Xuzhou Medical University, Xuzhou, Jiangsu 221004, China.,Department of Trauma and Reconstructive Surgery, RWTH Aachen University Hospital, Aachen 52074, Germany
| | - Caiyi Zhang
- The Affiliated Xuzhou Oriental Hospital of Xuzhou Medical University, 221004 Xuzhou, China
| | - Na Li
- Jiangsu Key Laboratory of New Drug Research and Clinical Pharmacy, Xuzhou Medical University, Xuzhou, Jiangsu 221004, China
| | - Wenzhen Pan
- Jiangsu Key Laboratory of New Drug Research and Clinical Pharmacy, Xuzhou Medical University, Xuzhou, Jiangsu 221004, China
| | - Mengying Fu
- Jiangsu Key Laboratory of New Drug Research and Clinical Pharmacy, Xuzhou Medical University, Xuzhou, Jiangsu 221004, China
| | - Jeremiah Ong'achwa Machuki
- Jiangsu Key Laboratory of New Drug Research and Clinical Pharmacy, Xuzhou Medical University, Xuzhou, Jiangsu 221004, China
| | - Kezhen Ge
- Jiangsu Key Laboratory of New Drug Research and Clinical Pharmacy, Xuzhou Medical University, Xuzhou, Jiangsu 221004, China
| | - Zhao Liu
- Jiangsu Key Laboratory of New Drug Research and Clinical Pharmacy, Xuzhou Medical University, Xuzhou, Jiangsu 221004, China.,Department of Thyroid and Breast Surgery, Affiliated Hospital of Xuzhou Medical University, 221004 Xuzhou, China
| | - Fenglei Gao
- Jiangsu Key Laboratory of New Drug Research and Clinical Pharmacy, Xuzhou Medical University, Xuzhou, Jiangsu 221004, China
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25
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Zhou Q, Xie Y, Lam M, Lebrilla CB. N-Glycomic Analysis of the Cell Shows Specific Effects of Glycosyl Transferase Inhibitors. Cells 2021; 10:cells10092318. [PMID: 34571967 PMCID: PMC8465854 DOI: 10.3390/cells10092318] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2021] [Revised: 08/31/2021] [Accepted: 09/02/2021] [Indexed: 11/16/2022] Open
Abstract
Glycomic profiling methods were used to determine the effect of metabolic inhibitors on glycan production. These inhibitors are commonly used to alter the cell surface glycosylation. However, structural analysis of the released glycans has been limited. In this research, the cell membranes were enriched and the glycans were released to obtain the N-glycans of the glycocalyx. Glycomic analysis using liquid chromatography–mass spectrometry (LC–MS) with a PGC chip column was used to profile the structures in the cell membrane. Glycans of untreated cells were compared to glycans of cells treated with inhibitors, including kifunensine, which inhibits the formation of complex- and hybrid-type structures, 2,4,7,8,9-Penta-O-acetyl-N-acetyl-3-fluoro-b-d-neuraminic acid methyl ester for sialylated glycans, 2-deoxy-2-fluorofucose, and 6-alkynyl fucose for fucosylated glycans. Kifunensine was the most effective, converting nearly 95% of glycans to high mannose types. The compound 6-alkynyl fucose inhibited some fucosylation but also incorporated into the glycan structure. Proteomic analysis of the enriched membrane for the four inhibitors showed only small changes in the proteome accompanied by large changes in the N-glycome for Caco-2. Future works may use these inhibitors to study the cellular behavior associated with the alteration of glycosylation in various biological systems, e.g., viral and bacterial infection, drug binding, and cell–cell interactions.
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Affiliation(s)
- Qingwen Zhou
- Department of Chemistry, University of California, Davis, CA 95616, USA; (Q.Z.); (Y.X.); (M.L.)
| | - Yixuan Xie
- Department of Chemistry, University of California, Davis, CA 95616, USA; (Q.Z.); (Y.X.); (M.L.)
| | - Matthew Lam
- Department of Chemistry, University of California, Davis, CA 95616, USA; (Q.Z.); (Y.X.); (M.L.)
| | - Carlito B. Lebrilla
- Department of Chemistry, University of California, Davis, CA 95616, USA; (Q.Z.); (Y.X.); (M.L.)
- Department of Biochemistry, University of California, Davis, CA 95616, USA
- Correspondence:
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Makrydaki E, Kotidis P, Polizzi KM, Kontoravdi C. Hitting the sweet spot with capillary electrophoresis: advances in N-glycomics and glycoproteomics. Curr Opin Biotechnol 2021; 71:182-190. [PMID: 34438131 DOI: 10.1016/j.copbio.2021.07.013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2021] [Revised: 07/04/2021] [Accepted: 07/11/2021] [Indexed: 10/20/2022]
Abstract
N-glycosylation is of paramount importance for understanding the mechanisms of various human diseases and ensuring the safety and efficacy of biotherapeutics. Traditional glycan analysis techniques include LC-based separations and MALDI-TOF-MS identification. However, the current state-of-the-art methods lack throughput and structural information, include laborious sample preparation procedures and require large sample volumes. Capillary electrophoresis (CE) has long been used for the screening and reliable quantitation of glycans, but its applications have been limited. Because of its speed, sensitivity and complementarity with standard glycan analysis techniques, CE is currently emerging as one of the most versatile and adaptable methods for glycan analysis in both academia and industry. Herein, we review the latest advancements in CE-based applications to glycomics and glycoproteomics within both the biopharmaceutical and clinical sectors.
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Affiliation(s)
- Elli Makrydaki
- Department of Chemical Engineering, Imperial College London, London SW7 2AZ, United Kingdom
| | - Pavlos Kotidis
- Department of Chemical Engineering, Imperial College London, London SW7 2AZ, United Kingdom
| | - Karen M Polizzi
- Department of Chemical Engineering, Imperial College London, London SW7 2AZ, United Kingdom
| | - Cleo Kontoravdi
- Department of Chemical Engineering, Imperial College London, London SW7 2AZ, United Kingdom.
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27
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Tikhonov A, Smoldovskaya O, Feyzkhanova G, Kushlinskii N, Rubina A. Glycan-specific antibodies as potential cancer biomarkers: a focus on microarray applications. Clin Chem Lab Med 2021; 58:1611-1622. [PMID: 32324152 DOI: 10.1515/cclm-2019-1161] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2019] [Accepted: 03/10/2020] [Indexed: 02/06/2023]
Abstract
Glycosylation is one of the most common posttranslational modifications of proteins and lipids. In the case of tumors, cell transformation accompanied by aberrant glycosylation results in the expression of tumor-associated glycans that promote tumor invasion. As part of the innate immunity, anti-glycan antibodies recognize tumor-associated glycans, and these antibodies can be present in the bloodstream in the early stages of cancer. Recently, anti-glycan antibody profiles have been of interest in various cancer studies. Novel advantages in the field of analytical techniques have simplified the analysis of anti-glycan antibodies and made it easier to have more comprehensive knowledge about their functions. One of the robust approaches for studying anti-glycan antibodies engages in microarray technology. The analysis of glycan microarrays can provide more expanded information to simultaneously specify or suggest the role of antibodies to a wide variety of glycans in the progression of different diseases, therefore making it possible to identify new biomarkers for diagnosing cancer and/or the state of the disease. Thus, in this review, we discuss antibodies to various glycans, their application for diagnosing cancer and one of the most promising tools for the investigation of these molecules, microarrays.
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Affiliation(s)
- Aleksei Tikhonov
- Laboratory of Biological Microchips, Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow, Russia
| | - Olga Smoldovskaya
- Laboratory of Biological Microchips, Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow, Russia
| | - Guzel Feyzkhanova
- Laboratory of Biological Microchips, Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow, Russia
| | - Nikolay Kushlinskii
- Laboratory of Clinical Biochemistry, Federal State Budgetary Institution «N.N. Blokhin National Medical Research Center of Oncology» оf the Ministry of Health of the Russian Federation, Moscow, Russia
| | - Alla Rubina
- Laboratory of Biological Microchips, Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow, Russia
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28
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Gao Z, Li L, Chen W, Ma Z, Li Y, Gao Y, Ding CF, Zhao X, Pan Y. Distinguishment of Glycan Isomers by Trapped Ion Mobility Spectrometry. Anal Chem 2021; 93:9209-9217. [PMID: 34165974 DOI: 10.1021/acs.analchem.1c01461] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
The in-depth study of glycan has drawn large research interests since it is one of the main biopolymers on the earth with a variety of biological functions. However, the distinguishment of glycans is still difficult due to the similarity of the monosaccharide building block, the anomer, and the linkage of glycosidic bonds. In this study, four novel and representative copper-bound diastereoisomeric complex ions were simultaneously detected in a single measurement by trapped ion mobility mass spectrometry, including mononuclear copper-bound dimeric ions [(Cu2+)(A)(l-Ser)-H]+ and [(Cu2+)(A)(l-His)-H]+, the mononuclear copper-bound trimeric ion [(Cu2+)(A)(l-Ser)(l-His)-H]+, and the binuclear copper-bound tetrameric ion [(Cu2+)2(A)(l-Ser)2(l-His)-3H]+ (where A denotes an oligosaccharide, and l-Ser and l-His denote l-serine and l-histidine, respectively). By combining the collision cross sections of complex ions, 23 oligosaccharide isomers were successfully distinguished including two pairs of sialylated glycan linkage isomers. In addition, due to the unique dissociation pathways of the trimeric ion, both the relative and absolute quantification of the individual isomer in the mixture could be determined using a mass spectrometry-based kinetic method. Finally, the method established above was successfully applied to the identification and quantification of glycan isomers in dairy beverages and juice. The method in the present study was sensitive to the fine difference of glycan isomers and might have wide applicability in glycoscience.
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Affiliation(s)
- Zhan Gao
- Department of Chemistry, Zhejiang University, Hangzhou 310027, Zhejiang, P. R. China
| | - Lei Li
- Zhejiang Provincial Key Laboratory of Advanced Mass Spectrometry and Molecular Analysis, Institute of Mass Spectrometry, School of Material Science and Chemical Engineering, Ningbo University, Ningbo 315211, Zhejiang, P. R. China
| | - Weiwei Chen
- Department of Chemistry, Zhejiang University, Hangzhou 310027, Zhejiang, P. R. China
| | - Zihan Ma
- Department of Chemistry, Zhejiang University, Hangzhou 310027, Zhejiang, P. R. China
| | - Yuan Li
- Department of Chemistry, Zhejiang University, Hangzhou 310027, Zhejiang, P. R. China
| | - Yuanji Gao
- Department of Chemistry, Zhejiang University, Hangzhou 310027, Zhejiang, P. R. China
| | - Chuan-Fan Ding
- Zhejiang Provincial Key Laboratory of Advanced Mass Spectrometry and Molecular Analysis, Institute of Mass Spectrometry, School of Material Science and Chemical Engineering, Ningbo University, Ningbo 315211, Zhejiang, P. R. China
| | - Xiaoyong Zhao
- Zhejiang Provincial Key Laboratory of Horticultural Plant Integrative Biology, Zhejiang University, Hangzhou 310058, P. R. China
| | - Yuanjiang Pan
- Department of Chemistry, Zhejiang University, Hangzhou 310027, Zhejiang, P. R. China
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29
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Galectin-1 fosters an immunosuppressive microenvironment in colorectal cancer by reprogramming CD8 + regulatory T cells. Proc Natl Acad Sci U S A 2021; 118:2102950118. [PMID: 34006646 DOI: 10.1073/pnas.2102950118] [Citation(s) in RCA: 58] [Impact Index Per Article: 19.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Abstract
Colorectal cancer (CRC) represents the third most common malignancy and the second leading cause of cancer-related deaths worldwide. Although immunotherapy has taken center stage in mainstream oncology, it has shown limited clinical efficacy in CRC, generating an urgent need for discovery of new biomarkers and potential therapeutic targets. Galectin-1 (Gal-1), an endogenous glycan-binding protein, induces tolerogenic programs and contributes to tumor cell evasion of immune responses. Here, we investigated the relevance of Gal-1 in CRC and explored its modulatory activity within the CD8+ regulatory T cell (Treg) compartment. Mice lacking Gal-1 (Lgals1 -/- ) developed a lower number of tumors and showed a decreased frequency of a particular population of CD8+CD122+PD-1+ Tregs in the azoxymethane-dextran sodium sulfate model of colitis-associated CRC. Moreover, silencing of tumor-derived Gal-1 in the syngeneic CT26 CRC model resulted in reduced number and attenuated immunosuppressive capacity of CD8+CD122+PD-1+ Tregs, leading to slower tumor growth. Moreover, stromal Gal-1 also influenced the fitness of CD8+ Tregs, highlighting the contribution of both tumor and stromal-derived Gal-1 to this immunoregulatory effect. Finally, bioinformatic analysis of a colorectal adenocarcinoma from The Cancer Genome Atlas dataset revealed a particular signature characterized by high CD8+ Treg score and elevated Gal-1 expression, which delineates poor prognosis in human CRC. Our findings identify CD8+CD122+PD-1+ Tregs as a target of the immunoregulatory activity of Gal-1, suggesting a potential immunotherapeutic strategy for the treatment of CRC.
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30
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Serum N-glycan profiles differ for various breast cancer subtypes. Glycoconj J 2021; 38:387-395. [PMID: 33877489 PMCID: PMC8116229 DOI: 10.1007/s10719-021-10001-3] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2019] [Revised: 03/15/2021] [Accepted: 04/12/2021] [Indexed: 12/09/2022]
Abstract
Breast cancer is the most prevalent cancer in women. Early detection of this disease improves survival and therefore population screenings, based on mammography, are performed. However, the sensitivity of this screening modality is not optimal and new screening methods, such as blood tests, are being explored. Most of the analyses that aim for early detection focus on proteins in the bloodstream. In this study, the biomarker potential of total serum N-glycosylation analysis was explored with regard to detection of breast cancer. In an age-matched case-control setup serum protein N-glycan profiles from 145 breast cancer patients were compared to those from 171 healthy individuals. N-glycans were enzymatically released, chemically derivatized to preserve linkage-specificity of sialic acids and characterized by high resolution mass spectrometry. Logistic regression analysis was used to evaluate associations of specific N-glycan structures as well as N-glycosylation traits with breast cancer. In a case-control comparison three associations were found, namely a lower level of a two triantennary glycans and a higher level of one tetraantennary glycan in cancer patients. Of note, various other N-glycomic signatures that had previously been reported were not replicated in the current cohort. It was further evaluated whether the lack of replication of breast cancer N-glycomic signatures could be partly explained by the heterogenous character of the disease since the studies performed so far were based on cohorts that included diverging subtypes in different numbers. It was found that serum N-glycan profiles differed for the various cancer subtypes that were analyzed in this study.
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31
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Wang C, Gao W, Yan S, Zhu XQ, Suo X, Liu X, Gupta N, Hu M. N-glycome and N-glycoproteome of a hematophagous parasitic nematode Haemonchus. Comput Struct Biotechnol J 2021; 19:2486-2496. [PMID: 34025939 PMCID: PMC8113779 DOI: 10.1016/j.csbj.2021.04.038] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2021] [Revised: 04/14/2021] [Accepted: 04/16/2021] [Indexed: 12/24/2022] Open
Abstract
N-glycosylation is a physiologically vital post-translational modification of proteins in eukaryotic organisms. Initial work on Haemonchus contortus - a blood-sucking nematode of ruminants with a broad geographical distribution - has shown that this parasite harbors N-glycans with exclusive chitobiose modifications. Besides, several immunogenic proteins (e.g., amino- and metallo-peptidases) are known to be N-glycosylated in adult worms. However, an informative atlas of N-glycosylation in H. contortus is not yet available. Herein, we report 291 N-glycosylated proteins with a total of 425 modification sites in the parasite. Among them, many peptidase families (e.g., peptidase C1 and M1) including potential vaccine targets were enriched. Notably, the glycan-rich conjugates are distributed primarily in the intestine and gonads of adult worms, and consequently hidden from the host's immune system. Collectively, these data provide a comprehensive atlas of N-glycosylation in a prevalent parasitic nematode while underlining its significance for infection, immunity and prevention.
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Key Words
- Con A, concanavalin A
- Fuc, fucose
- Gal, galactose
- Gal-Fuc, galactosylated fucose
- GalNAc, N-acetylgalactosamine
- GlcNAc, N-acetylglucosamine
- Glycopeptide
- HILIC, hydrophilic interaction chromatography
- Haemonchus contortus
- LC-MS/MS, liquid chromatography-tandem mass spectrometry
- MALDI-ToF MS, matrix-assisted laser desorption ionization-time of flight mass spectrometry
- Man, mannose
- Mass spectrometry
- N-glycan
- N-glycosylation
- OST, oligosaccharyltransferase
- PNGase A/F, peptide-N-glycosidase A/F
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Affiliation(s)
- Chunqun Wang
- State Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, China
| | - Wenjie Gao
- College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan, China,College of Chemistry and Molecular Engineering, Peking University, Beijing, China
| | - Shi Yan
- Institut für Parasitologie, Veterinärmedizinische Universität, Wien, Austria
| | - Xing-Quan Zhu
- State Key Laboratory of Veterinary Etiological Biology, Key Laboratory of Veterinary Parasitology of Gansu Province, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Lanzhou, China
| | - Xun Suo
- State Key Laboratory of Agrobiotechnology, China Agricultural University, Beijing, China
| | - Xin Liu
- College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan, China
| | - Nishith Gupta
- State Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, China,Department of Molecular Parasitology, Faculty of Life Sciences, Humboldt University, Berlin, Germany,Department of Biological Sciences, Birla Institute of Technology and Science Pilani (BITS-P), Hyderabad, India
| | - Min Hu
- State Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, China,Corresponding author at: College of Veterinary Medicine, Huazhong Agricultural University, No.1 Shizishan St., Wuhan, Hubei Province 430070, China.
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32
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Lopes N, Correia VG, Palma AS, Brito C. Cracking the Breast Cancer Glyco-Code through Glycan-Lectin Interactions: Targeting Immunosuppressive Macrophages. Int J Mol Sci 2021; 22:1972. [PMID: 33671245 PMCID: PMC7922062 DOI: 10.3390/ijms22041972] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2020] [Revised: 02/09/2021] [Accepted: 02/12/2021] [Indexed: 12/11/2022] Open
Abstract
The immune microenvironment of breast cancer (BC) is composed by high macrophage infiltrates, correlated with the most aggressive subtypes. Tumour-associated macrophages (TAM) within the BC microenvironment are key regulators of immune suppression and BC progression. Nevertheless, several key questions regarding TAM polarisation by BC are still not fully understood. Recently, the modulation of the immune microenvironment has been described via the recognition of abnormal glycosylation patterns at BC cell surface. These patterns rise as a resource to identify potential targets on TAM in the BC context, leading to the development of novel immunotherapies. Herein, we will summarize recent studies describing advances in identifying altered glycan structures in BC cells. We will focus on BC-specific glycosylation patterns known to modulate the phenotype and function of macrophages recruited to the tumour site, such as structures with sialylated or N-acetylgalactosamine epitopes. Moreover, the lectins present at the surface of macrophages reported to bind to such antigens, inducing tumour-prone TAM phenotypes, will also be highlighted. Finally, we will discuss and give our view on the potential and current challenges of targeting these glycan-lectin interactions to reshape the immunosuppressive landscape of BC.
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Affiliation(s)
- Nuno Lopes
- iBET, Instituto de Biologia Experimental e Tecnológica, Apartado 12, 2781-901 Oeiras, Portugal;
- Instituto de Tecnologia Química e Biológica António Xavier, Universidade Nova de Lisboa, Av. da República, 2780-157 Oeiras, Portugal
| | - Viviana G. Correia
- UCIBIO, Departamento de Química, NOVA School of Science and Technology, FCT-NOVA, 2829-516 Caparica, Portugal;
| | - Angelina S. Palma
- UCIBIO, Departamento de Química, NOVA School of Science and Technology, FCT-NOVA, 2829-516 Caparica, Portugal;
| | - Catarina Brito
- iBET, Instituto de Biologia Experimental e Tecnológica, Apartado 12, 2781-901 Oeiras, Portugal;
- Instituto de Tecnologia Química e Biológica António Xavier, Universidade Nova de Lisboa, Av. da República, 2780-157 Oeiras, Portugal
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A mass spectrometry-based glycotope-centric cellular glycomics is the more fruitful way forward to see the forest for the trees. Biochem Soc Trans 2021; 49:55-69. [PMID: 33492355 DOI: 10.1042/bst20190861] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2020] [Revised: 12/18/2020] [Accepted: 12/21/2020] [Indexed: 02/08/2023]
Abstract
The nature of protein glycosylation renders cellular glycomics a very challenging task in having to deal with all the disparate glycans carried on membrane glycoproteins. Rapid mapping by mass spectrometry analysis provides only a coarse sketch of the glycomic complexity based primarily on glycosyl compositions, whereby the missing high-resolution structural details require a combination of multi-mode separations and multi-stages of induced fragmentation to gain sufficiently discriminative precision, often at the expenses of throughput and sensitivity. Given the available technology and foreseeable advances in the near future, homing in on resolving the terminal fucosylated, sialylated and/or sulfated structural units, or glycotopes, maybe a more pragmatic and ultimately more rewarding approach to gain insights into myriad biological processes mediated by these terminal coding units carried on important glycoproteins, to be decoded by a host of endogenous glycan-binding proteins and antibodies. A broad overview of recent technical advances and limitations in cellular glycomics is first provided as a backdrop to the propounded glycotope-centric approach based on advanced nanoLC-MS2/MS3 analysis of permethylated glycans. To prioritize analytical focus on the more tangible glycotopes is akin to first identifying the eye-catching and characteristic-defining flowers and fruits of the glyco-forest, to see the forest for the trees. It has the best prospects of attaining the much-needed balance in sensitivity, structural precision and analytical throughput to match advances in other omics.
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Gutierrez Reyes CD, Jiang P, Donohoo K, Atashi M, Mechref YS. Glycomics and glycoproteomics: Approaches to address isomeric separation of glycans and glycopeptides. J Sep Sci 2020; 44:403-425. [PMID: 33090644 DOI: 10.1002/jssc.202000878] [Citation(s) in RCA: 43] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2020] [Revised: 09/29/2020] [Accepted: 10/06/2020] [Indexed: 11/11/2022]
Abstract
Changes in the glycome of human proteins and cells are associated with the progression of multiple diseases such as Alzheimer's, diabetes mellitus, many types of cancer, and those caused by viruses. Consequently, several studies have shown essential modifications to the isomeric glycan moieties for diseases in different stages. However, the elucidation of extensive isomeric glycan profiles remains challenging because of the lack of analytical techniques with sufficient resolution power to separate all glycan and glycopeptide iso-forms. Therefore, the development of sensitive and accurate approaches for the characterization of all the isomeric forms of glycans and glycopeptides is essential to tracking the progression of pathology in glycoprotein-related diseases. This review describes the isomeric separation achievements reported in glycomics and glycoproteomics in the last decade. It focuses on the mass spectrometry-based analytical strategies, stationary phases, and derivatization techniques that have been developed to enhance the separation mechanisms in liquid chromatography systems and the detection capabilities of mass spectrometry systems.
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Affiliation(s)
| | - Peilin Jiang
- Department of Chemistry and Biochemistry, Texas Tech University, Lubbock, Texas, USA
| | - Kaitlyn Donohoo
- Department of Chemistry and Biochemistry, Texas Tech University, Lubbock, Texas, USA
| | - Mojgan Atashi
- Department of Chemistry and Biochemistry, Texas Tech University, Lubbock, Texas, USA
| | - Yehia S Mechref
- Department of Chemistry and Biochemistry, Texas Tech University, Lubbock, Texas, USA
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35
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Zhang H, Shi X, Vu NQ, Li G, Li Z, Shi Y, Li M, Wang B, Welham NV, Patankar MS, Weisman P, Li L. On-Tissue Derivatization with Girard's Reagent P Enhances N-Glycan Signals for Formalin-Fixed Paraffin-Embedded Tissue Sections in MALDI Mass Spectrometry Imaging. Anal Chem 2020; 92:13361-13368. [PMID: 32865977 PMCID: PMC7544651 DOI: 10.1021/acs.analchem.0c02704] [Citation(s) in RCA: 39] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2020] [Accepted: 08/31/2020] [Indexed: 02/08/2023]
Abstract
Glycosylation is a major protein post-translational modification whose dysregulation has been associated with many diseases. Herein, an on-tissue chemical derivatization strategy based on positively charged hydrazine reagent (Girard's reagent P) coupled with matrix-assisted laser desorption/ionization mass spectrometry imaging (MALDI-MSI) was developed for analysis of N-glycans from FFPE treated tissue sections. The performance of the proposed approach was evaluated by analysis of monosaccharides, oligosaccharides, N-glycans released from glycoproteins, as well as MS imaging of N-glycans from human cancer tissue sections. The results demonstrated that the signal-to-noise ratios for target saccharides were notably improved after chemical derivatization, in which signals were enhanced by 230-fold for glucose and over 28-fold for maltooctaose. Improved glycome coverage was obtained for N-glycans derived from glycoproteins and tissue samples after chemical derivatization. Furthermore, on-tissue derivatization was applied for MALDI-MSI of N-glycans from human laryngeal cancer and ovarian cancer tissues. Differentially expressed N-glycans among the tumor region, adjacent normal tissue region, and tumor proximal collagen stroma region were imaged, revealing that high-mannose type N-glycans were predominantly expressed in the tumor region. Overall, our results indicate that the on-tissue labeling strategy coupled with MALDI-MSI shows great potential to spatially characterize N-glycan expression within heterogeneous tissue samples with enhanced sensitivity. This study provides a promising approach to better understand the pathogenesis of cancer related aberrant glycosylation, which is beneficial to the design of improved clinical diagnosis and therapeutic strategies.
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Affiliation(s)
- Hua Zhang
- School
of Pharmacy, University of Wisconsin—Madison, Madison, Wisconsin 53705, United States
| | - Xudong Shi
- Division
of Otolaryngology, Department of Surgery, School of Medicine and Public
Health, University of Wisconsin—Madison, Madison, Wisconsin 53792, United States
| | - Nhu Q. Vu
- Department
of Chemistry, University of Wisconsin—Madison, Madison, Wisconsin 53705, United States
| | - Gongyu Li
- School
of Pharmacy, University of Wisconsin—Madison, Madison, Wisconsin 53705, United States
| | - Zihui Li
- Department
of Chemistry, University of Wisconsin—Madison, Madison, Wisconsin 53705, United States
| | - Yatao Shi
- School
of Pharmacy, University of Wisconsin—Madison, Madison, Wisconsin 53705, United States
| | - Miyang Li
- Department
of Chemistry, University of Wisconsin—Madison, Madison, Wisconsin 53705, United States
| | - Bin Wang
- School
of Pharmacy, University of Wisconsin—Madison, Madison, Wisconsin 53705, United States
| | - Nathan V. Welham
- Division
of Otolaryngology, Department of Surgery, School of Medicine and Public
Health, University of Wisconsin—Madison, Madison, Wisconsin 53792, United States
| | - Manish S. Patankar
- Department
of Obstetrics and Gynecology, University
of Wisconsin—Madison, Madison, Wisconsin 54911, United States
| | - Paul Weisman
- Departments
of Pathology and Laboratory Medicine, School of Medicine and Public
Health, University of Wisconsin—Madison, Madison, Wisconsin 53792, United States
| | - Lingjun Li
- School
of Pharmacy, University of Wisconsin—Madison, Madison, Wisconsin 53705, United States
- Department
of Chemistry, University of Wisconsin—Madison, Madison, Wisconsin 53705, United States
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36
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Shao H, Reider B, Jarvas G, Guttman A, Jiang Z, Tran NT, Taverna M. On-line enrichment of N-glycans by immobilized metal-affinity monolith for capillary electrophoresis analysis. Anal Chim Acta 2020; 1134:1-9. [DOI: 10.1016/j.aca.2020.08.002] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2020] [Revised: 07/30/2020] [Accepted: 08/02/2020] [Indexed: 01/22/2023]
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37
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Databases and Bioinformatic Tools for Glycobiology and Glycoproteomics. Int J Mol Sci 2020; 21:ijms21186727. [PMID: 32937895 PMCID: PMC7556027 DOI: 10.3390/ijms21186727] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2020] [Revised: 09/03/2020] [Accepted: 09/11/2020] [Indexed: 02/07/2023] Open
Abstract
Glycosylation plays critical roles in various biological processes and is closely related to diseases. Deciphering the glycocode in diverse cells and tissues offers opportunities to develop new disease biomarkers and more effective recombinant therapeutics. In the past few decades, with the development of glycobiology, glycomics, and glycoproteomics technologies, a large amount of glycoscience data has been generated. Subsequently, a number of glycobiology databases covering glycan structure, the glycosylation sites, the protein scaffolds, and related glycogenes have been developed to store, analyze, and integrate these data. However, these databases and tools are not well known or widely used by the public, including clinicians and other researchers who are not in the field of glycobiology, but are interested in glycoproteins. In this study, the representative databases of glycan structure, glycoprotein, glycan-protein interactions, glycogenes, and the newly developed bioinformatic tools and integrated portal for glycoproteomics are reviewed. We hope this overview could assist readers in searching for information on glycoproteins of interest, and promote further clinical application of glycobiology.
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Aydoğan C, Rigano F, Krčmová LK, Chung DS, Macka M, Mondello L. Miniaturized LC in Molecular Omics. Anal Chem 2020; 92:11485-11497. [DOI: 10.1021/acs.analchem.0c01436] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Cemil Aydoğan
- Biochemistry Division, Department of Chemistry, Bingöl University, Bingöl 12000,Turkey
- Department of Food Engineering, Bingöl University, Bingöl 12000,Turkey
| | - Francesca Rigano
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Messina I-98168, Italy
| | - Lenka Kujovská Krčmová
- Department of Analytical Chemistry, Faculty of Pharmacy, Charles University, Akademika Heyrovského 1203, Hradec Králové 500 05, Czech Republic
- Department of Clinical Biochemistry and Diagnostics, University Hospital, Sokolská 581, Hradec Králové 500 05, Czech Republic
| | - Doo Soo Chung
- Department of Chemistry, Seoul National University, Seoul 08826, Korea
| | - Mirek Macka
- Department of Chemistry and Biochemistry, Mendel University in Brno, Zemedelska 1, CZ-613 00 Brno, Czech Republic
- Central European Institute of Technology, Brno University of Technology, Technicka 3058/10, CZ-616 00Brno, Czech Republic
- School of Natural Sciences and Australian Centre for Research on Separation Science (ACROSS), University of Tasmania, Private Bag 75, Hobart 7001, Australia
| | - Luigi Mondello
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Messina I-98168, Italy
- Chromaleont s.r.l., c/o Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Messina I-98168, Italy
- Department of Sciences and Technologies for Human and Environment, University Campus Bio-Medico of Rome, Rome I-00128, Italy
- BeSep s.r.l., c/o Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Messina I-98168, Italy
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One-step synthesis of hydrophilic microspheres for highly selective enrichment of N-linked glycopeptides. Anal Chim Acta 2020; 1130:91-99. [PMID: 32892942 DOI: 10.1016/j.aca.2020.07.049] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2020] [Revised: 07/17/2020] [Accepted: 07/19/2020] [Indexed: 11/22/2022]
Abstract
A polyacrylamide-based hydrophilic microsphere with a lot of hydroxyl groups on surface (PAM-OH HMS) was prepared in one step. The synthetic process was simple reverse suspension polymerization without any chemical derivation or grafting steps. The properties of obtained HMS were characterized by scanning electron microscopy (SEM), static water contact angle measurement, and FT-IR. The abundant hydroxyl groups on the surface make the material highly good hydrophilic and thus it was utilized for N-glycopeptides enrichment. The enrichment efficiency of PAM-OH HMSs was demonstrated by capturing N-linked glycopeptides from tryptic digest of human immunoglobulin G (IgG). The detection sensitivity for N-glycopeptides identification by MALDI-TOF MS was as low as 10 fmol for tryptic digest of standard human IgG. The selectivity of the HMS towards N-glycopeptides had almost no decrease when the molar ratio of BSA tryptic digest to IgG tryptic digest was increased from 10:1 to 100:1. Moreover, in the LC-MS/MS analysis of real biological sample, a total of 344 unique N-glycosites in 598 unique N-glycopeptides from 172 N-glycoproteins were identified from 2 μL human serum after deglycosylated by PNGase F, and 825 intact N-glycopeptides with different types of glycoform were detected when directly analyzed the N-glycopeptides enriched by PAM-OH HMS. To show the potential of our material in solving real biological issues, N-glycopeptides in the serum from hepatocelluar carcinoma (HCC) patient and health control were enriched and quantified. All the experiments demonstrated that this polyacrylamide-based hydrophilic microsphere shows a great potential to enrich the low-abundance N-glycopeptides for glycoproteome analysis of real complicated biological samples.
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40
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Lastovickova M, Strouhalova D, Bobalova J. Use of Lectin-based Affinity Techniques in Breast Cancer Glycoproteomics: A Review. J Proteome Res 2020; 19:1885-1899. [PMID: 32181666 DOI: 10.1021/acs.jproteome.9b00818] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Changes in glycoprotein content, altered glycosylations, and aberrant glycan structures are increasingly recognized as cancer hallmarks. Because breast cancer is one of the most common causes of cancer deaths in the world, it is highly urgent to find other reliable biomarkers for its initial diagnosis and to learn as much as possible about this disease. In this Review, the applications of lectins to a screening of potential breast cancer biomarkers published during recent years are overviewed. These data provide a deeper insight into the use of modern strategies, technologies, and scientific knowledge in glycoproteomic breast cancer research. Particular attention is concentrated on the use of lectin-based affinity techniques, applied independently or most frequently in combination with mass spectrometry, as an effective tool for the targeting, separation, and reliable identification of glycoprotein molecules. Individual procedures and lectins used in published glycoproteomic studies of breast-cancer-related glycoproteins are discussed. The summarized approaches have the potential for use in diagnostic and predictive applications. Finally, the use of lectins is briefly discussed from the view of their future applications in the analysis of glycoproteins in cancer.
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Affiliation(s)
- Marketa Lastovickova
- Institute of Analytical Chemistry of the CAS, Veveří 97, 602 00 Brno, Czech Republic
| | - Dana Strouhalova
- Institute of Analytical Chemistry of the CAS, Veveří 97, 602 00 Brno, Czech Republic
| | - Janette Bobalova
- Institute of Analytical Chemistry of the CAS, Veveří 97, 602 00 Brno, Czech Republic
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41
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Xu G, Goonatilleke E, Wongkham S, Lebrilla CB. Deep Structural Analysis and Quantitation of O-Linked Glycans on Cell Membrane Reveal High Abundances and Distinct Glycomic Profiles Associated with Cell Type and Stages of Differentiation. Anal Chem 2020; 92:3758-3768. [PMID: 32039582 DOI: 10.1021/acs.analchem.9b05103] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
Proteins on cell membrane are modified by N- and O-glycans. N-Glycans have been extensively characterized using advanced separation and mass spectrometry techniques. However, O-glycans remain a challenge, because of the lack of universal enzymes to release them and the large background abundances of N-glycans. Here, we report a method for in-depth structural analysis and quantitation of O-glycans derived from human cell membrane. O-Glycans were chemically released from isolated cell membrane glycoproteins following N-glycan and lipid/glycolipid removal by PNGase F digestion and Folch extraction, respectively. Released O-glycans were purified by an optimized protocol to eliminate interference from small molecules and degraded proteins. Cell surface O-glycans were then analyzed using a nanoLC-chip-QTOF mass spectrometer with a porous graphitized carbon (PGC) column, while the N-glycans and glycolipids isolated from the same cell membrane fractions were analyzed in parallel using previously reported methods. The monosaccharide compositions and linkages of the detected O-glycans were identified by exoglycosidase digestion facilitated with tandem mass spectrometry (MS/MS). Using this method, we identified 44 cell membrane O-glycan isomers with MS/MS, and, among them, we unambiguously characterized 25 O-glycan structures with exoglycosidase digestion to create a library with their complete structures, accurate masses, and retention times. In this process, we identified and characterized unexpected mannose oligomers that are α(1-2/3) linked. This library enabled the identification and quantification of unique cell surface O-glycans from different cell lines and the study of specific O-glycan changes during cell differentiation.
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Affiliation(s)
- Gege Xu
- Department of Chemistry, University of California, One Shields Avenue, Davis, California 95616, United States
| | - Elisha Goonatilleke
- Department of Chemistry, University of California, One Shields Avenue, Davis, California 95616, United States
| | - Sopit Wongkham
- Department of Biochemistry, Faculty of Medicine, Khon Kaen University, Khon Kaen 40002, Thailand
| | - Carlito B Lebrilla
- Department of Chemistry, University of California, One Shields Avenue, Davis, California 95616, United States
- Department of Biochemistry and Molecular Medicine, University of California, Davis, California 95616, United States
- Foods for Health Institute, University of California, Davis, California 95616, United States
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42
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Cao WQ, Liu MQ, Kong SY, Wu MX, Huang ZZ, Yang PY. Novel methods in glycomics: a 2019 update. Expert Rev Proteomics 2020; 17:11-25. [PMID: 31914820 DOI: 10.1080/14789450.2020.1708199] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Abstract
Introduction: Glycomics, which aims to define the glycome of a biological system to better assess the biological attributes of the glycans, has attracted increasing interest. However, the complexity and diversity of glycans present challenging barriers to glycome definition. Technological advances are major drivers in glycomics.Areas covered: This review summarizes the main methods and emphasizes the most recent advances in mass spectrometry-based methods regarding glycomics following the general workflow in glycomic analysis.Expert opinion: Recent mass spectrometry-based technological advances have significantly lowered the barriers in glycomics. The field of glycomics is moving toward both generic and precise analysis.
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Affiliation(s)
- Wei-Qian Cao
- Shanghai Fifth People's Hospital and Institutes of Biomedical Sciences, Fudan University, Shanghai, China.,NHC Key Laboratory of Glycoconjugates Research, Fudan University, Shanghai, China
| | - Ming-Qi Liu
- Shanghai Fifth People's Hospital and Institutes of Biomedical Sciences, Fudan University, Shanghai, China
| | - Si-Yuan Kong
- Shanghai Fifth People's Hospital and Institutes of Biomedical Sciences, Fudan University, Shanghai, China
| | - Meng-Xi Wu
- Shanghai Fifth People's Hospital and Institutes of Biomedical Sciences, Fudan University, Shanghai, China.,Department of Chemistry, Fudan University, Shanghai, China
| | - Zheng-Ze Huang
- Shanghai Fifth People's Hospital and Institutes of Biomedical Sciences, Fudan University, Shanghai, China
| | - Peng-Yuan Yang
- Shanghai Fifth People's Hospital and Institutes of Biomedical Sciences, Fudan University, Shanghai, China.,NHC Key Laboratory of Glycoconjugates Research, Fudan University, Shanghai, China.,Department of Chemistry, Fudan University, Shanghai, China
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43
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Zhao X, Huang Y, Ma G, Liu Y, Guo C, He Q, Wang H, Liao J, Pan Y. Parallel On-Target Derivatization for Mass Calibration and Rapid Profiling of N-Glycans by MALDI-TOF MS. Anal Chem 2019; 92:991-998. [PMID: 31829556 DOI: 10.1021/acs.analchem.9b03932] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
Glycosylation is an important post-translational modification of proteins, and abnormal glycosylation is involved in a variety of diseases. Accurate and rapid profiling of N-glycans by matrix-assisted laser desorption ionization-time-of-flight mass spectrometry (MALDI-TOF MS) is still technically challenging and hampered mainly by mass drift of instrument, manual identification of spectrum peaks, and poor cocrystallization with traditional matrices besides low ionization efficiency of analytes. In the present study, a parallel on-target derivatization strategy (POTDS), on the basis of two rationally combined matrices, i.e., 3-hydrazinobenzoic acid plus DHB (DHB/3HBA) and quinoline-3-carbohydrazide plus DHB (DHB/Q3CH), was proposed for mass calibration and rapid detection of reducing N-glycans. Both DHB/3HBA and DHB/Q3CH show high derivatization efficiency and can improve the ionization efficiency of reducing N-glycans significantly. For mass calibration, in combination with dextrans, DHB/3HBA and DHB/Q3CH prove to be highly sensitive matrices facilitating both MS and MS2 calibration for N-glycans in dual polarities. For rapid identification, the regular mass difference observed for each N-glycan labeled with Q3CH and 3HBA respectively can eliminate the occurrence of false positives and promote automated identification of N-glycans in complex samples. For relative quantitation, the acid-base pair of DHB/Q3CH generates a concentrated cocrystallization of glycan-matrix mixtures at the edge of the droplet uniformly, exhibiting good linearity (R2 > 0.998) and accuracy (RSD ≤ 10%). Furthermore, the established POTDS was successfully utilized to assess N-glycans of serum from HCC patients, revealing potential for biomarker discovery in clinical practice.
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Affiliation(s)
- Xiaoyong Zhao
- Department of Chemistry , Zhejiang University , Hangzhou 310027 , China
| | - Yu Huang
- Department of Chemistry , Zhejiang University , Hangzhou 310027 , China
| | - Ge Ma
- Department of Chemistry , Zhejiang University , Hangzhou 310027 , China
| | - Yaqin Liu
- Department of Chemistry , Zhejiang University , Hangzhou 310027 , China
| | - Cheng Guo
- Cancer Institute (Key Laboratory of Cancer Prevention and Intervention, China National Ministry of Education), The Second Affiliated Hospital , Zhejiang University School of Medicine , Hangzhou , Zhejiang 310009 , China
| | - Quan He
- Department of Chemistry , Zhejiang University , Hangzhou 310027 , China
| | - Huiwen Wang
- Department of Chemistry , Zhejiang University , Hangzhou 310027 , China
| | - Jiancong Liao
- Department of Chemistry , Zhejiang University , Hangzhou 310027 , China
| | - Yuanjiang Pan
- Department of Chemistry , Zhejiang University , Hangzhou 310027 , China
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44
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Cai Y, Zhang Y, Yuan W, Yao J, Yan G, Lu H. A thiazolidine formation-based approach for ultrafast and highly efficient solid-phase extraction of N-Glycoproteome. Anal Chim Acta 2019; 1100:174-181. [PMID: 31987138 DOI: 10.1016/j.aca.2019.12.001] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2019] [Revised: 11/15/2019] [Accepted: 12/01/2019] [Indexed: 02/04/2023]
Abstract
For mass spectrometry (MS)-based N-glycoproteomics, selective enrichment of N-glycopeptides prior to MS analysis is a crucial step to reduce sample complexity. Enrichment based on covalent coupling is as an increasingly attractive strategy due to the unbiased and highly specific features. However, most of current covalent coupling reactions for N-glycopeptides enrichment are still limited by long coupling time and harsh coupling conditions. Herein, we developed a thiazolidine formation-based approach for ultrafast and highly efficient solid-phase extraction of N-Glycoproteome. With the use of facile synthesis of Cys-terminated magnetic nanoparticles, the oxidized glycan moieties on glycopeptides could be selectively captured by the β-amino thiols groups on the surface of magnetic nanoparticles through thiazolidine formation. The coupling could be achieved within 30 min under mild condition, eliminating the addition of toxic catalyst or sample-destroying reducing agent. Also, the great enrichment performance for N-glycopeptides were obtained in terms of sensitivity (low fmol levels), selectivity (extracting N-glycopeptides from the mixture of glycopeptides and non-glycopeptides at a 1:100 molar ratio) and reproducibility (CVs<26%). Finally, this proposed method was successfully demonstrated by analyzing the N-glycoproteome from 2 μL human serum, which offers an alternative purification method for analysis of N-glycoproteome from complex biological samples.
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Affiliation(s)
- Yan Cai
- Shanghai Cancer Center and Institutes of Biomedical Sciences, Fudan University, Shanghai, 200032, PR China
| | - Ying Zhang
- Shanghai Cancer Center and Institutes of Biomedical Sciences, Fudan University, Shanghai, 200032, PR China; Department of Chemistry and NHC Key Laboratory of Glycoconjugates Research, Fudan University, Shanghai, 200032, PR China
| | - Wenjuan Yuan
- Institute of Plant Physiology and Ecology, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai, 200032, PR China
| | - Jun Yao
- Shanghai Cancer Center and Institutes of Biomedical Sciences, Fudan University, Shanghai, 200032, PR China
| | - Guoquan Yan
- Shanghai Cancer Center and Institutes of Biomedical Sciences, Fudan University, Shanghai, 200032, PR China
| | - Haojie Lu
- Shanghai Cancer Center and Institutes of Biomedical Sciences, Fudan University, Shanghai, 200032, PR China; Department of Chemistry and NHC Key Laboratory of Glycoconjugates Research, Fudan University, Shanghai, 200032, PR China.
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45
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Lee J, Hwang H, Kim S, Hwang J, Yoon J, Yin D, Choi SI, Kim YH, Kim YS, An HJ. Comprehensive Profiling of Surface Gangliosides Extracted from Various Cell Lines by LC-MS/MS. Cells 2019; 8:cells8111323. [PMID: 31717732 PMCID: PMC6912501 DOI: 10.3390/cells8111323] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2019] [Revised: 10/20/2019] [Accepted: 10/23/2019] [Indexed: 12/26/2022] Open
Abstract
Gangliosides act as a surface marker at the outer cellular membrane and play key roles in cancer cell invasion and metastasis. Despite the biological importance of gangliosides, they have been still poorly characterized due to the lack of effective analytical tools. Herein, we performed molecular profiling and structural elucidation of intact gangliosides in various cell lines including CFPAC1, A549, NCI-H358, MCF7, and Caski. We identified and quantified a total of 76 gangliosides on cell membrane using C18 LC-MS/MS. Gangliosides found in each cell line exhibited high complexity and diversity both qualitatively and quantitatively. The most abundant species was GM3(d34:1) in CFPAC1, NCI-H358, and MCF7, while GM2(d34:1) and GM1(d34:1) were major components in A549 and Caski, respectively. Notably, glycan moieties showed more diversity between cancer cell lines than ceramide moieties. In addition, noncancerous pancreatic cell line (hTERT/HPNE) could be distinguished by gangliosides containing different levels of sialic acid compared with cancerous pancreatic cell line (CFPAC1). These results clearly demonstrated the feasibility of our analytical platform to comprehensive profile of cell surface gangliosides for identifying cell types and subgrouping cancer cell types.
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Affiliation(s)
- Jua Lee
- Graduate School of Analytical Science & Technology, Chungnam National University, Daejeon 34134, Korea; (J.L.); (S.K.); (J.H.); (J.Y.); (D.Y.)
- Asia-Pacific Glycomics Reference Site, Daejeon 34134, Korea
| | - Heeyoun Hwang
- Research Center of Bioconvergence Analysis, Korea Basic Science Institute, Cheongju-si 28119, Korea;
| | - Sumin Kim
- Graduate School of Analytical Science & Technology, Chungnam National University, Daejeon 34134, Korea; (J.L.); (S.K.); (J.H.); (J.Y.); (D.Y.)
- Asia-Pacific Glycomics Reference Site, Daejeon 34134, Korea
| | - Jaeyun Hwang
- Graduate School of Analytical Science & Technology, Chungnam National University, Daejeon 34134, Korea; (J.L.); (S.K.); (J.H.); (J.Y.); (D.Y.)
- Asia-Pacific Glycomics Reference Site, Daejeon 34134, Korea
| | - Jaekyung Yoon
- Graduate School of Analytical Science & Technology, Chungnam National University, Daejeon 34134, Korea; (J.L.); (S.K.); (J.H.); (J.Y.); (D.Y.)
- Asia-Pacific Glycomics Reference Site, Daejeon 34134, Korea
| | - Dongtan Yin
- Graduate School of Analytical Science & Technology, Chungnam National University, Daejeon 34134, Korea; (J.L.); (S.K.); (J.H.); (J.Y.); (D.Y.)
- Asia-Pacific Glycomics Reference Site, Daejeon 34134, Korea
| | - Sun Il Choi
- Department of Cancer Biomedical Science, National Cancer Center Graduate School of Cancer Science and Policy, Goyang 10408, Korea; (S.I.C.); (Y.-H.K.)
| | - Yun-Hee Kim
- Department of Cancer Biomedical Science, National Cancer Center Graduate School of Cancer Science and Policy, Goyang 10408, Korea; (S.I.C.); (Y.-H.K.)
| | - Yong-Sam Kim
- Genome Editing Research Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), Yuseong-gu, Daejeon 34141, Korea;
- Department of Biomolecular Science, KRIBB School of Bioscience, Korea University of Science and Technology (UST), Yuseong-gu, Daejeon 34113, Korea
| | - Hyun Joo An
- Graduate School of Analytical Science & Technology, Chungnam National University, Daejeon 34134, Korea; (J.L.); (S.K.); (J.H.); (J.Y.); (D.Y.)
- Asia-Pacific Glycomics Reference Site, Daejeon 34134, Korea
- Correspondence: ; Tel.: +82-42-821-8552
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Valverde P, Ardá A, Reichardt NC, Jiménez-Barbero J, Gimeno A. Glycans in drug discovery. MEDCHEMCOMM 2019; 10:1678-1691. [PMID: 31814952 PMCID: PMC6839814 DOI: 10.1039/c9md00292h] [Citation(s) in RCA: 60] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/24/2019] [Accepted: 07/10/2019] [Indexed: 02/06/2023]
Abstract
Glycans are key players in many biological processes. They are essential for protein folding and stability and act as recognition elements in cell-cell and cell-matrix interactions. Thus, being at the heart of medically relevant biological processes, glycans have come onto the scene and are considered hot spots for biomedical intervention. The progress in biophysical techniques allowing access to an increasing molecular and structural understanding of these processes has led to the development of effective therapeutics. Indeed, strategies aimed at designing glycomimetics able to block specific lectin-carbohydrate interactions, carbohydrate-based vaccines mimicking self- and non-self-antigens as well as the exploitation of the therapeutic potential of glycosylated antibodies are being pursued. In this mini-review the most prominent contributions concerning recurrent diseases are highlighted, including bacterial and viral infections, cancer or immune-related pathologies, which certainly show the great promise of carbohydrates in drug discovery.
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Affiliation(s)
- Pablo Valverde
- CIC bioGUNE , Bizkaia Technology Park, Building 800 , 48162 Derio , Bizkaia , Spain .
| | - Ana Ardá
- CIC bioGUNE , Bizkaia Technology Park, Building 800 , 48162 Derio , Bizkaia , Spain .
| | | | - Jesús Jiménez-Barbero
- CIC bioGUNE , Bizkaia Technology Park, Building 800 , 48162 Derio , Bizkaia , Spain .
- Ikerbasque , Basque Foundation for Science , 48013 Bilbao , Bizkaia , Spain
- Department of Organic Chemistry II , University of the Basque Country , UPV/EHU , 48940 Leioa , Bizkaia , Spain
| | - Ana Gimeno
- CIC bioGUNE , Bizkaia Technology Park, Building 800 , 48162 Derio , Bizkaia , Spain .
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47
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Li Q, Xie Y, Wong M, Lebrilla CB. Characterization of Cell Glycocalyx with Mass Spectrometry Methods. Cells 2019; 8:E882. [PMID: 31412618 PMCID: PMC6721671 DOI: 10.3390/cells8080882] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2019] [Revised: 08/05/2019] [Accepted: 08/12/2019] [Indexed: 02/06/2023] Open
Abstract
The cell membrane plays an important role in protecting the cell from its extracellular environment. As such, extensive work has been devoted to studying its structure and function. Crucial intercellular processes, such as signal transduction and immune protection, are mediated by cell surface glycosylation, which is comprised of large biomolecules, including glycoproteins and glycosphingolipids. Because perturbations in glycosylation could result in dysfunction of cells and are related to diseases, the analysis of surface glycosylation is critical for understanding pathogenic mechanisms and can further lead to biomarker discovery. Different mass spectrometry-based techniques have been developed for glycan analysis, ranging from highly specific, targeted approaches to more comprehensive profiling studies. In this review, we summarized the work conducted for extensive analysis of cell membrane glycosylation, particularly those employing liquid chromatography with mass spectrometry (LC-MS) in combination with various sample preparation techniques.
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Affiliation(s)
- Qiongyu Li
- Department of Chemistry, University of California, Davis, CA 95616, USA
| | - Yixuan Xie
- Department of Chemistry, University of California, Davis, CA 95616, USA
| | - Maurice Wong
- Department of Chemistry, University of California, Davis, CA 95616, USA
| | - Carlito B Lebrilla
- Department of Chemistry, University of California, Davis, CA 95616, USA.
- Department of Biochemistry, University of California, Davis, CA 95616, USA.
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Čaval T, Zhu J, Heck AJR. Simply Extending the Mass Range in Electron Transfer Higher Energy Collisional Dissociation Increases Confidence in N-Glycopeptide Identification. Anal Chem 2019; 91:10401-10406. [PMID: 31287300 PMCID: PMC6706795 DOI: 10.1021/acs.analchem.9b02125] [Citation(s) in RCA: 34] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
![]()
Glycopeptide-centric
mass spectrometry has become a popular approach
for studying protein glycosylation. However, current approaches still
utilize fragmentation schemes and ranges originally optimized and
intended for the analysis of typically much smaller unmodified tryptic
peptides. Here, we show that by merely increasing the tandem mass
spectrometry m/z range from 2000
to 4000 during electron transfer higher energy collisional dissociation
(EThcD) fragmentation, a wealth of highly informative c and z ion
fragment ions are additionally detected, facilitating improved identification
of glycopeptides. We demonstrate the benefit of this extended mass
range on various classes of glycopeptides containing phosphorylated,
fucosylated, and/or sialylated N-glycans. We conclude that the current
software solutions for glycopeptide identification also require further
improvements to realize the full potential of extended mass range
glycoproteomics. To stimulate further developments, we provide data
sets containing all classes of glycopeptides (high mannose, hybrid,
and complex) measured with standard (2000) and extended (4000) m/z range that can be used as test cases
for future development of software solutions enhancing automated glycopeptide
analysis.
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Affiliation(s)
- Tomislav Čaval
- Biomolecular Mass Spectrometry and Proteomics, Bijvoet Center for Biomolecular Research and Utrecht Institute for Pharmaceutical Sciences , University of Utrecht , Padualaan 8 , 3584 CH Utrecht , The Netherlands.,Netherlands Proteomics Center , Padualaan 8 , 3584 CH Utrecht , The Netherlands
| | - Jing Zhu
- Biomolecular Mass Spectrometry and Proteomics, Bijvoet Center for Biomolecular Research and Utrecht Institute for Pharmaceutical Sciences , University of Utrecht , Padualaan 8 , 3584 CH Utrecht , The Netherlands.,Netherlands Proteomics Center , Padualaan 8 , 3584 CH Utrecht , The Netherlands
| | - Albert J R Heck
- Biomolecular Mass Spectrometry and Proteomics, Bijvoet Center for Biomolecular Research and Utrecht Institute for Pharmaceutical Sciences , University of Utrecht , Padualaan 8 , 3584 CH Utrecht , The Netherlands.,Netherlands Proteomics Center , Padualaan 8 , 3584 CH Utrecht , The Netherlands
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Zhao X, Guo C, Huang Y, Huang L, Ma G, Liu Y, He Q, Wang H, Chen K, Pan Y. Combination Strategy of Reactive and Catalytic Matrices for Qualitative and Quantitative Profiling of N-Glycans in MALDI-MS. Anal Chem 2019; 91:9251-9258. [DOI: 10.1021/acs.analchem.9b02144] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
- Xiaoyong Zhao
- Department of Chemistry, Zhejiang University, Hangzhou 310027, People’s Republic of China
| | - Cheng Guo
- Cancer Institute (Key Laboratory of Cancer Prevention and Intervention, China National Ministry of Education), The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang 310009, People’s Republic of China
| | - Yu Huang
- Department of Chemistry, Zhejiang University, Hangzhou 310027, People’s Republic of China
| | - Lili Huang
- Department of Chemistry, Zhejiang University, Hangzhou 310027, People’s Republic of China
| | - Ge Ma
- Department of Chemistry, Zhejiang University, Hangzhou 310027, People’s Republic of China
| | - Yaqin Liu
- Department of Chemistry, Zhejiang University, Hangzhou 310027, People’s Republic of China
| | - Quan He
- Department of Chemistry, Zhejiang University, Hangzhou 310027, People’s Republic of China
| | - Huiwen Wang
- Department of Chemistry, Zhejiang University, Hangzhou 310027, People’s Republic of China
| | - Kunsong Chen
- College of Agriculture & Biotechnology, Zhejiang University, Hangzhou 310058, People’s Republic of China
| | - Yuanjiang Pan
- Department of Chemistry, Zhejiang University, Hangzhou 310027, People’s Republic of China
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Xu G, Wong M, Li Q, Park D, Cheng Z, Lebrilla CB. Unveiling the metabolic fate of monosaccharides in cell membranes with glycomic and glycoproteomic analyses. Chem Sci 2019; 10:6992-7002. [PMID: 31588266 PMCID: PMC6676465 DOI: 10.1039/c9sc01653h] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2019] [Accepted: 06/10/2019] [Indexed: 12/12/2022] Open
Abstract
Cell membrane protein glycosylation is dependent on the metabolic state of the cell as well as exogenous nutrients available. Although the metabolism and interconversion of monosaccharides have been well-studied, their incorporation into cell surface glycans and their corresponding glycoproteins remains relatively unknown. In this study, we developed a method to investigate quantitatively the incorporation pathways of dietary saccharides into specific glycans and glycoproteins on the cell membrane by treating intestinal Caco-2 and hepatic KKU-M213 cells with 13C-labeled monosaccharides and characterizing the resulting cell surface glycans and glycopeptides by LC-MS/MS. Time-course studies using uniformly labeled glucose revealed that the rate of incorporation was both glycan-specific and protein-dependent. Comparative studies using different dietary saccharides and multiple cell lines revealed the variance of monosaccharide utilization and interconversion in different tissues and organisms. The robust isotope-labeling and glycan profiling methods can provide a useful tool for differentiating glycosylation pathways and enhance the understanding of how dietary sugar intake affects health.
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Affiliation(s)
- Gege Xu
- Department of Chemistry , University of California , One Shields Avenue Davis , Davis , CA 95616 , USA .
| | - Maurice Wong
- Department of Chemistry , University of California , One Shields Avenue Davis , Davis , CA 95616 , USA .
| | - Qiongyu Li
- Department of Chemistry , University of California , One Shields Avenue Davis , Davis , CA 95616 , USA .
| | - Dayoung Park
- Department of Chemistry , University of California , One Shields Avenue Davis , Davis , CA 95616 , USA .
| | - Zhi Cheng
- Department of Chemistry , University of California , One Shields Avenue Davis , Davis , CA 95616 , USA .
| | - Carlito B Lebrilla
- Department of Chemistry , University of California , One Shields Avenue Davis , Davis , CA 95616 , USA . .,Department of Biochemistry and Molecular Medicine , University of California , Davis , CA 95616 , USA.,Foods for Health Institute , University of California , Davis , CA 95616 , USA
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