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Min Y, Zhao X, Ying W. Identification of Core-Fucosylated Glycoproteins by Single-Step Truncation of N-Glycans. Curr Protoc 2024; 4:e982. [PMID: 38270535 DOI: 10.1002/cpz1.982] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2024]
Abstract
Alpha-1,6 core fucosylation (CF) is a unique glycoform of N-glycans, and studies showed that CF modifications are involved in the occurrence and progression of various diseases and may provide potential disease biomarkers. Current strategies for the CF glycoproteome are often based on multistep enrichment of glycoproteins or glycopeptides and sequential cleavage with different glycosidases to truncate the N-glycans. Although the detection ability of low-abundance glycoproteins is improved, sample loss, high cost, and the time-consuming multistep operation also affect the reproducibility of results and the practicality of the method. Here we developed a single-step truncation (SST) strategy and evaluated its potential for the CF glycoproteome of human serum. The SST strategy has the advantages of fewer operational steps, lower cost, higher number of identifications, and better quantitative stability compared with previous approaches and provides an efficient solution for large-scale quantitative analysis of the CF glycoproteome. © 2024 Wiley Periodicals LLC. Basic Protocol 1: Single-step truncation strategy for core fucosylation glycoproteome analysis in human serum Basic Protocol 2: Liquid chromatography-tandem mass spectrometry quantification of site-specific core fucosylation glycopeptides Alternate Protocol: Pretreatment of cellular samples of core fucosylation glycoproteome with single-step truncation strategy.
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Affiliation(s)
- Yao Min
- State Key Laboratory of Medical Proteomics, Beijing Proteome Research Center, National Center for Protein Sciences (Beijing), Beijing Institute of Lifeomics, Beijing, China
| | - Xinyuan Zhao
- State Key Laboratory of Medical Proteomics, Beijing Proteome Research Center, National Center for Protein Sciences (Beijing), Beijing Institute of Lifeomics, Beijing, China
| | - Wantao Ying
- State Key Laboratory of Medical Proteomics, Beijing Proteome Research Center, National Center for Protein Sciences (Beijing), Beijing Institute of Lifeomics, Beijing, China
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Wang X, Li H, Wang Z, Chen J, Chen W, Zhou X, Zhang L, Xu S, Gao XD, Yang G. Site- and Structure-Specific Glycosylation Signatures of Bovine, Caprine, Porcine, and Human Milk-Derived Extracellular Vesicles. J Agric Food Chem 2023; 71:20826-20837. [PMID: 38096130 DOI: 10.1021/acs.jafc.3c06439] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/28/2023]
Abstract
Extracellular vesicles (EVs) are membrane-bound vesicles released by living cells. As vesicles for macromolecule transmission and intercellular communication, EVs are broadly applied in clinical diagnosis and biomimetic drug delivery. Milk-derived EVs (MEVs) are an ideal choice for scale-up applications because they exhibit biocompatibility and are easily obtained. Herein, intact glycopeptides in MEVs from bovines, caprines, porcines, and humans were comprehensively analyzed by high-resolution mass spectrometry using the sceHCD, followed by the EThcD fragment method, revealing that protein glycosylation is abundant and heterogeneous in MEVs. The dominant glycans in all MEVs were sialic acid-modified N-linked glycans (over 50%). A couple of species-specific glycans were also characterized, which are potentially markers of different original EVs. Interestingly, the Neu5Gc-modified glycans were enriched in caprine milk-derived EVs (58 ± 2%). Heterogeneity of MEV protein glycosylation was observed for glycosites and glycan compositions, and the structural heterogeneity of protein glycosylation was also identified and validated. The glycosignatures of EV biogenesis- and endocytosis-related proteins (CD63 and MFGE8) were significantly different in these four species. Overall, we comprehensively characterized the glycosylation signature of MEVs from four different species and provided insight into protein glycosylation related to drug target delivery.
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Affiliation(s)
- Xiuyuan Wang
- Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, Wuxi, Jiangsu 214122, China
- State Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China
- Key Laboratory of Biopharmaceutical Preparation and Delivery, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China
| | - Hanjie Li
- Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, Wuxi, Jiangsu 214122, China
- State Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China
- Key Laboratory of Biopharmaceutical Preparation and Delivery, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China
| | - Zibo Wang
- Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, Wuxi, Jiangsu 214122, China
- State Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China
- Key Laboratory of Biopharmaceutical Preparation and Delivery, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China
| | - Jingru Chen
- Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, Wuxi, Jiangsu 214122, China
- State Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China
- Key Laboratory of Biopharmaceutical Preparation and Delivery, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China
| | - Wenyan Chen
- Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, Wuxi, Jiangsu 214122, China
| | - Xiaoman Zhou
- Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, Wuxi, Jiangsu 214122, China
| | - Lina Zhang
- State Key Laboratory of Food Science & Technology, Jiangnan University, Wuxi, Jiangsu 214122, China
| | - Shiqian Xu
- Henan XinDa Livestock Co., Ltd., Zhengzhou, Henan 450001, China
| | - Xiao-Dong Gao
- Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, Wuxi, Jiangsu 214122, China
- State Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China
- Key Laboratory of Biopharmaceutical Preparation and Delivery, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China
| | - Ganglong Yang
- State Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China
- Key Laboratory of Biopharmaceutical Preparation and Delivery, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China
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Yang W, Tian E, Chernish A, McCluggage P, Dalal K, Lara A, Ten Hagen KG, Tabak LA. Quantitative mapping of the in vivo O-GalNAc glycoproteome in mouse tissues identifies GalNAc-T2 O-glycosites in metabolic disorder. Proc Natl Acad Sci U S A 2023; 120:e2303703120. [PMID: 37862385 PMCID: PMC10614836 DOI: 10.1073/pnas.2303703120] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2023] [Accepted: 09/03/2023] [Indexed: 10/22/2023] Open
Abstract
The family of GalNAc-Ts (GalNAcpolypeptide:N-Acetylgalactosaminyl transferases) catalyzes the first committed step in the synthesis of O-glycans, which is an abundant and biologically important protein modification. Abnormalities in the activity of individual GalNAc-Ts can result in congenital disorders of O-glycosylation (CDG) and influence a broad array of biological functions. How site-specific O-glycans regulate biology is unclear. Compiling in vivo O-glycosites would be an invaluable step in determining the function of site-specific O-glycans. We integrated chemical and enzymatic conditions that cleave O-glycosites, a higher-energy dissociation product ions-triggered electron-transfer/higher-energy collision dissociation mass spectrometry (MS) workflow and software to study nine mouse tissues and whole blood. We identified 2,154 O-glycosites from 595 glycoproteins. The O-glycosites and glycoproteins displayed consensus motifs and shared functions as classified by Gene Ontology terms. Limited overlap of O-glycosites was observed with protein O-GlcNAcylation and phosphorylation sites. Quantitative glycoproteomics and proteomics revealed a tissue-specific regulation of O-glycosites that the differential expression of Galnt isoenzymes in tissues partly contributes to. We examined the Galnt2-null mouse model, which phenocopies congenital disorder of glycosylation involving GALNT2 and revealed a network of glycoproteins that lack GalNAc-T2-specific O-glycans. The known direct and indirect functions of these glycoproteins appear consistent with the complex metabolic phenotypes observed in the Galnt2-null animals. Through this study and interrogation of databases and the literature, we have compiled an atlas of experimentally identified mouse O-glycosites consisting of 2,925 O-glycosites from 758 glycoproteins.
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Affiliation(s)
- Weiming Yang
- Section on Biological Chemistry, National Institute of Dental and Craniofacial Research (NIDCR), NIH, Bethesda, MD20892
| | - E. Tian
- Developmental Glycobiology Section, National Institute of Dental and Craniofacial Research (NIDCR), NIH, Bethesda, MD20892
| | - Aliona Chernish
- Section on Biological Chemistry, National Institute of Dental and Craniofacial Research (NIDCR), NIH, Bethesda, MD20892
| | - Peggy McCluggage
- Section on Biological Chemistry, National Institute of Dental and Craniofacial Research (NIDCR), NIH, Bethesda, MD20892
| | - Kruti Dalal
- Section on Biological Chemistry, National Institute of Dental and Craniofacial Research (NIDCR), NIH, Bethesda, MD20892
| | - Alexander Lara
- Section on Biological Chemistry, National Institute of Dental and Craniofacial Research (NIDCR), NIH, Bethesda, MD20892
| | - Kelly G. Ten Hagen
- Developmental Glycobiology Section, National Institute of Dental and Craniofacial Research (NIDCR), NIH, Bethesda, MD20892
| | - Lawrence A. Tabak
- Section on Biological Chemistry, National Institute of Dental and Craniofacial Research (NIDCR), NIH, Bethesda, MD20892
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Kawahara R, Ugonotti J, Chatterjee S, Tjondro HC, Loke I, Parker BL, Venkatakrishnan V, Dieckmann R, Sumer-Bayraktar Z, Karlsson-Bengtsson A, Bylund J, Thaysen-Andersen M. Glycoproteome remodeling and organelle-specific N-glycosylation accompany neutrophil granulopoiesis. Proc Natl Acad Sci U S A 2023; 120:e2303867120. [PMID: 37639587 PMCID: PMC10483621 DOI: 10.1073/pnas.2303867120] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2023] [Accepted: 07/14/2023] [Indexed: 08/31/2023] Open
Abstract
Neutrophils store microbicidal glycoproteins in cytosolic granules to fight intruding pathogens, but their granule distribution and formation mechanism(s) during granulopoiesis remain unmapped. Herein, we comprehensively profile the neutrophil N-glycoproteome with spatiotemporal resolution by analyzing four key types of intracellular organelles isolated from blood-derived neutrophils and during their maturation from bone marrow-derived progenitors using a glycomics-guided glycoproteomics approach. Interestingly, the organelles of resting neutrophils exhibited distinctive glycophenotypes including, most strikingly, highly truncated N-glycans low in α2,6-sialylation and Lewis fucosylation decorating a diverse set of microbicidal proteins (e.g., myeloperoxidase, azurocidin, neutrophil elastase) in the azurophilic granules. Excitingly, proteomics and transcriptomics data from discrete myeloid progenitor stages revealed that profound glycoproteome remodeling underpins the promyelocytic-to-metamyelocyte transition and that the glycophenotypic differences are driven primarily by dynamic changes in protein expression and less by changes within the glycosylation machinery. Notable exceptions were the oligosaccharyltransferase subunits responsible for initiation of N-glycoprotein biosynthesis that were strongly expressed in early myeloid progenitors correlating with relatively high levels of glycosylation of the microbicidal proteins in the azurophilic granules. Our study provides spatiotemporal insights into the complex neutrophil N-glycoproteome featuring intriguing organelle-specific N-glycosylation patterns formed by dynamic glycoproteome remodeling during the early maturation stages of the myeloid progenitors.
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Affiliation(s)
- Rebeca Kawahara
- School of Natural Sciences, Macquarie University, Sydney, NSW2109, Australia
- Institute for Glyco-core Research, Nagoya University, Nagoya464-8601, Japan
| | - Julian Ugonotti
- School of Natural Sciences, Macquarie University, Sydney, NSW2109, Australia
| | | | - Harry C. Tjondro
- School of Natural Sciences, Macquarie University, Sydney, NSW2109, Australia
| | - Ian Loke
- Cordlife Group Limited, Singapore768160, Singapore
| | - Benjamin L. Parker
- Department of Anatomy and Physiology, University of Melbourne, Melbourne, VIC3010, Australia
| | - Vignesh Venkatakrishnan
- Department of Rheumatology and Inflammation Research, Institute of Medicine, Sahlgrenska Academy, University of Gothenburg, Gothenburg41390, Sweden
- Department of Life Sciences, Chalmers University of Technology, Gothenburg41296, Sweden
| | - Regis Dieckmann
- Department of Rheumatology and Inflammation Research, Institute of Medicine, Sahlgrenska Academy, University of Gothenburg, Gothenburg41390, Sweden
| | | | - Anna Karlsson-Bengtsson
- Department of Rheumatology and Inflammation Research, Institute of Medicine, Sahlgrenska Academy, University of Gothenburg, Gothenburg41390, Sweden
- Department of Life Sciences, Chalmers University of Technology, Gothenburg41296, Sweden
| | - Johan Bylund
- Department of Oral Microbiology and Immunology, Institute of Odontology, Sahlgrenska Academy, University of Gothenburg, Gothenburg41390, Sweden
| | - Morten Thaysen-Andersen
- School of Natural Sciences, Macquarie University, Sydney, NSW2109, Australia
- Institute for Glyco-core Research, Nagoya University, Nagoya464-8601, Japan
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Carnielli CM, Melo de Lima Morais T, Malta de Sá Patroni F, Prado Ribeiro AC, Brandão TB, Sobroza E, Matos LL, Kowalski LP, Paes Leme AF, Kawahara R, Thaysen-Andersen M. Comprehensive glycoprofiling of oral tumours associates N-glycosylation with lymph node metastasis and patient survival. Mol Cell Proteomics 2023:100586. [PMID: 37268159 PMCID: PMC10336694 DOI: 10.1016/j.mcpro.2023.100586] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2023] [Revised: 05/08/2023] [Accepted: 05/30/2023] [Indexed: 06/04/2023] Open
Abstract
While altered protein glycosylation is regarded a trait of oral squamous cell carcinoma (OSCC), the heterogeneous and dynamic glycoproteome of tumour tissues from OSCC patients remain unmapped. To this end, we here employ an integrated multi-omics approach comprising unbiased and quantitative glycomics and glycoproteomics applied to a cohort of resected primary tumour tissues from OSCC patients with (n = 19) and without (n = 12) lymph node metastasis. While all tumour tissues displayed relatively uniform N-glycome profiles suggesting overall stable global N-glycosylation during disease progression, altered expression of six sialylated N-glycans was found to correlate with lymph node metastasis. Notably, glycoproteomics and advanced statistical analyses uncovered altered site-specific N-glycosylation revealing previously unknown associations with several clinicopathological features. Importantly, the glycomics and glycoproteomics data unveiled that comparatively high abundance of two core-fucosylated and sialylated N-glycans (Glycan 40a and Glycan 46a) and one N-glycopeptide from fibronectin were associated with low patient survival, while a relatively low abundance of N-glycopeptides from both afamin and CD59 were also associated with poor survival. This study provides novel insight into the complex OSCC tissue N-glycoproteome forming an important resource to further explore the underpinning disease mechanisms and uncover new prognostic glyco-markers for OSCC.
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Affiliation(s)
- Carolina Moretto Carnielli
- Laboratório de Espectrometria de Massas, Laboratório Nacional de Biociências (LNBio), Centro Nacional de Pesquisa em Energia e Materiais (CNPEM), Campinas, 13083-970 SP, Brazil
| | | | | | - Ana Carolina Prado Ribeiro
- Serviço de Odontologia Oncológica, Instituto do Câncer do Estado de São Paulo, ICESP-FMUSP, São Paulo, 01246-000 SP, Brazil; Universidade Brasil, Fernandópolis, 15600-000 SP, Brazil
| | - Thaís Bianca Brandão
- Serviço de Odontologia Oncológica, Instituto do Câncer do Estado de São Paulo, ICESP-FMUSP, São Paulo, 01246-000 SP, Brazil
| | - Evandro Sobroza
- Serviço de Odontologia Oncológica, Instituto do Câncer do Estado de São Paulo, ICESP-FMUSP, São Paulo, 01246-000 SP, Brazil
| | - Leandro Luongo Matos
- Serviço de Cirurgia de Cabeça e Pescoço, Instituto do Câncer do Estado de São Paulo, ICESP-FMUSP, São Paulo, 01246-000 SP, Brazil
| | - Luiz Paulo Kowalski
- Departamento de Cirurgia de Cabeça e Pescoço e Otorrinolaringologia, A.C. Camargo Cancer Center, São Paulo, SP, 01509-900, Brazil; Departamento de Cirurgia de Cabeça e Pescoço, Faculdade de Medicina, Universidade de São Paulo - USP, São Paulo, SP, 01246-903, Brazil
| | - Adriana Franco Paes Leme
- Laboratório de Espectrometria de Massas, Laboratório Nacional de Biociências (LNBio), Centro Nacional de Pesquisa em Energia e Materiais (CNPEM), Campinas, 13083-970 SP, Brazil.
| | - Rebeca Kawahara
- School of Natural Sciences, Macquarie University, Sydney, NSW-2109, Australia; Institute for Glyco-core Research (iGCORE), Nagoya University, Nagoya, 464-8601, Japan.
| | - Morten Thaysen-Andersen
- School of Natural Sciences, Macquarie University, Sydney, NSW-2109, Australia; Institute for Glyco-core Research (iGCORE), Nagoya University, Nagoya, 464-8601, Japan.
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6
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Li P, Chen Z, You S, Xu Y, Hao Z, Liu D, Shen J, Zhu B, Dan W, Sun S. Application of StrucGP in medical immunology: site-specific N-glycoproteomic analysis of macrophages. Front Med 2022; 17:304-316. [PMID: 36580234 DOI: 10.1007/s11684-022-0964-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2022] [Accepted: 09/06/2022] [Indexed: 12/30/2022]
Abstract
The structure of N-glycans on specific proteins can regulate innate and adaptive immunity via sensing environmental signals. Meanwhile, the structural diversity of N-glycans poses analytical challenges that limit the exploration of specific glycosylation functions. In this work, we used THP-1-derived macrophages as examples to show the vast potential of a N-glycan structural interpretation tool StrucGP in N-glycoproteomic analysis. The intact glycopeptides of macrophages were enriched and analyzed using mass spectrometry (MS)-based glycoproteomic approaches, followed by the large-scale mapping of site-specific glycan structures via StrucGP. Results revealed that bisected GlcNAc, core fucosylated, and sialylated glycans (e.g., HexNAc4Hex5Fuc1Neu5Ac1, N4H5F1S1) were increased in M1 and M2 macrophages, especially in the latter. The findings indicated that these structures may be closely related to macrophage polarization. In addition, a high level of glycosylated PD-L1 was observed in M1 macrophages, and the LacNAc moiety was detected at Asn-192 and Asn-200 of PD-L1, and Asn-200 contained Lewis epitopes. The precision structural interpretation of site-specific glycans and subsequent intervention of target glycoproteins and related glycosyltransferases are of great value for the development of new diagnostic and therapeutic approaches for different diseases.
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Affiliation(s)
- Pengfei Li
- College of Life Sciences, Northwest University, Xi'an, 710069, China
| | - Zexuan Chen
- College of Life Sciences, Northwest University, Xi'an, 710069, China
| | - Shanshan You
- College of Life Sciences, Northwest University, Xi'an, 710069, China
| | - Yintai Xu
- College of Life Sciences, Northwest University, Xi'an, 710069, China
| | - Zhifang Hao
- College of Life Sciences, Northwest University, Xi'an, 710069, China
| | - Didi Liu
- College of Life Sciences, Northwest University, Xi'an, 710069, China
| | - Jiechen Shen
- College of Life Sciences, Northwest University, Xi'an, 710069, China
| | - Bojing Zhu
- College of Life Sciences, Northwest University, Xi'an, 710069, China
| | - Wei Dan
- College of Life Sciences, Northwest University, Xi'an, 710069, China
| | - Shisheng Sun
- College of Life Sciences, Northwest University, Xi'an, 710069, China.
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Polanco G, Scott NE, Lye LF, Beverley SM. Expanded Proteomic Survey of the Human Parasite Leishmania major Focusing on Changes in Null Mutants of the Golgi GDP-Mannose/Fucose/Arabinopyranose Transporter LPG2 and of the Mitochondrial Fucosyltransferase FUT1. Microbiol Spectr 2022; 10:e0305222. [PMID: 36394313 PMCID: PMC9769760 DOI: 10.1128/spectrum.03052-22] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2022] [Accepted: 10/31/2022] [Indexed: 11/19/2022] Open
Abstract
The trypanosomatid protozoan parasite Leishmania has a significant impact on human health globally. Understanding the pathways associated with virulence within this significant pathogen is critical for identifying novel vaccination and chemotherapy targets. Within this study we leverage an ultradeep proteomic approach to improve our understanding of two virulence-associated genes in Leishmania, encoding the Golgi mannose/arabinopyranose/fucose nucleotide-sugar transporter (LPG2) and the mitochondrial fucosyltransferase (FUT1). Using deep peptide fractionation followed by complementary fragmentation approaches with higher-energy collisional dissociation (HCD) and electron transfer dissociation (ETD) allowed the identification of over 6,500 proteins, nearly doubling the experimentally known Leishmania major proteome. This deep proteomic analysis revealed significant quantitative differences in both Δlpg2- and Δfut1s mutants with FUT1-dependent changes linked to marked alterations within mitochondrion-associated proteins, while LPG2-dependent changes impacted many pathways, including the secretory pathway. While the FUT1 enzyme has been shown to fucosylate peptides in vitro, no evidence for protein fucosylation was identified within our ultradeep analysis, nor did we observe fucosylated glycans within Leishmania glycopeptides isolated using hydrophilic interaction liquid chromatography (HILIC) enrichment. This work provides a critical resource for the community on the observable Leishmania proteome as well as highlighting phenotypic changes associated with LPG2 or FUT1, ablation of which may guide the development of future therapeutics. IMPORTANCE Leishmania is a widespread trypanosomatid protozoan parasite of humans, with ~12 million cases currently, ranging from mild to fatal, and hundreds of millions asymptomatically infected. This work advances knowledge of the experimental proteome by nearly 2-fold, to more than 6,500 proteins and thus provides a great resource to investigators seeking to decode how this parasite is transmitted and causes disease and to identify new targets for therapeutic intervention. The ultradeep proteomics approach identified potential proteins underlying the "persistence-without-pathology" phenotype of mutants with deletion of the Golgi nucleotide transporter LPG2, showing many alterations and several candidates. Studies of a rare mutant with deletion of the mitochondrial fucosyltransferase FUT1 revealed changes underlying its strong mitochondrial dysfunction but did not reveal examples of fucosylation of either peptides or N-glycans. This suggests that this vital protein's elusive target(s) may be more complex than the methods used could detect or that this target may not be a protein but perhaps another glycoconjugate or glycolipid.
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Affiliation(s)
- Gloria Polanco
- Department of Molecular Microbiology, Washington University School of Medicine, St. Louis, Missouri, USA
| | - Nichollas E. Scott
- Department of Microbiology and Immunology, University of Melbourne at the Peter Doherty Institute for Infection and Immunity, Melbourne, Victoria, Australia
| | - Lon F. Lye
- Department of Molecular Microbiology, Washington University School of Medicine, St. Louis, Missouri, USA
| | - Stephen M. Beverley
- Department of Molecular Microbiology, Washington University School of Medicine, St. Louis, Missouri, USA
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Liang KH, Chen SF, Lin YH, Chu YD, Lin YH, Lai MW, Lin CL, Yeh CT. Tenofovir Hampers the Efficacy of Sorafenib in Prolonging Overall Survival in Hepatocellular Carcinoma. Biomedicines 2021; 9:biomedicines9111539. [PMID: 34829768 PMCID: PMC8614833 DOI: 10.3390/biomedicines9111539] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2021] [Revised: 10/17/2021] [Accepted: 10/22/2021] [Indexed: 01/04/2023] Open
Abstract
Sorafenib is a first-line treatment for patients with advanced hepatocellular carcinoma (HCC). These patients may simultaneously receive anti-hepatitis B treatment if they are viremic. The N-Acetylgalactosaminyltransferase 14 (GALNT14) gene can serve as a biomarker to guide HCC treatments. However, the enzyme substrates of its gene product, GalNAc-T14 (a glycosyltransferase), remained uncharacterized. Here, we conducted a glycoproteome-wide search for GalNAc-T14 substrates using lectin affinity chromatography followed by tandem mass spectrometry. Seventeen novel GalNAc-T14 substrates were identified. A connective map analysis showed that an antiviral drug, tenofovir, was the leading medicinal compound to down-regulate the expression of these substrates. In vitro assays showed that HCC cells were resistant to sorafenib if pretreated by tenofovir but not entecavir. Clinical analysis showed that the concomitant use of tenofovir and sorafenib was a previously unrecognized predictive factor for unfavorable overall survival (hazard ratio = 2.060, 95% confidence interval = [1.256, 3.381], p = 0.004) in a cohort of 181 hepatitis-B-related, sorafenib-treated HCC patients (concomitant tenofovir versus entecavir treatment; p = 0.003). In conclusion, by conducting a glycoproteome-wide search for GalNAc-T14 substrates, we unexpectedly found that tenofovir was a major negative regulator of GalNAc-T14 substrates and an unfavorable anti-hepatitis B drug in HCC patients receiving sorafenib.
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Affiliation(s)
- Kung-Hao Liang
- Department of Medical Research, Taipei Veterans General Hospital, Taipei 112, Taiwan
- Institute of Food Safety and Health Risk Assessment, National Yang Ming Chiao Tung University, Taipei 112, Taiwan
- Institute of Biomedical Informatics, National Yang Ming Chiao Tung University, Taipei 112, Taiwan
- Correspondence: (K.-H.L.); (C.-T.Y.); Tel.: +886-2-28712121 (ext. 1296) (K.-H.L.); +886-3-3281200 (ext. 8129) (C.-T.Y.); Fax: 886-3-3282824 (C.-T.Y.)
| | - Sung-Fang Chen
- Department of Chemistry, National Taiwan Normal University, Taipei 106, Taiwan; (S.-F.C.); (Y.-H.L.)
| | - Yu-Hua Lin
- Department of Chemistry, National Taiwan Normal University, Taipei 106, Taiwan; (S.-F.C.); (Y.-H.L.)
| | - Yu-De Chu
- Liver Research Center, Chang Gung Memorial Hospital, Linkou, Taoyuan 333, Taiwan; (Y.-D.C.); (Y.-H.L.); (M.-W.L.); (C.-L.L.)
| | - Yang-Hsiang Lin
- Liver Research Center, Chang Gung Memorial Hospital, Linkou, Taoyuan 333, Taiwan; (Y.-D.C.); (Y.-H.L.); (M.-W.L.); (C.-L.L.)
| | - Ming-Wei Lai
- Liver Research Center, Chang Gung Memorial Hospital, Linkou, Taoyuan 333, Taiwan; (Y.-D.C.); (Y.-H.L.); (M.-W.L.); (C.-L.L.)
| | - Chih-Lang Lin
- Liver Research Center, Chang Gung Memorial Hospital, Linkou, Taoyuan 333, Taiwan; (Y.-D.C.); (Y.-H.L.); (M.-W.L.); (C.-L.L.)
- Liver Research Unit, Keelung Chang Gung Memorial Hospital, Keelung 204, Taiwan
- Community Medicine Research Center, Keelung Chang Gung Memorial Hospital, Keelung 204, Taiwan
| | - Chau-Ting Yeh
- Liver Research Center, Chang Gung Memorial Hospital, Linkou, Taoyuan 333, Taiwan; (Y.-D.C.); (Y.-H.L.); (M.-W.L.); (C.-L.L.)
- Molecular Medicine Research Center, Chang Gung University, Taoyuan 333, Taiwan
- Correspondence: (K.-H.L.); (C.-T.Y.); Tel.: +886-2-28712121 (ext. 1296) (K.-H.L.); +886-3-3281200 (ext. 8129) (C.-T.Y.); Fax: 886-3-3282824 (C.-T.Y.)
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9
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Abstract
Protein glycosylation is the most diverse and omnipresent protein modification. Glycosylation provides glycoproteins with important structural and functional properties to facilitate critical biological processes. Despite the significance of protein glycosylation, the investigation of glycoproteome, especially O-linked glycoproteome, remains elusive due to the lack of a comprehensive methodology to conform with the diversity of O-linked glycoforms of O-linked glycoproteins. In recent years, mass spectrometry has become an indispensable tool for the characterization of O-linked glycosylated proteins across biological systems. We herein highlight the recent developments in MS-based O-linked glycoproteomic technologies, quantitative data acquisition strategy and bioinformatic tools, with a special focus on mucin-type O-linked glycosylation.
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Affiliation(s)
- Yuanwei Xu
- Department of Pathology, Johns Hopkins University, Baltimore, MD 21287, USA; Department of Chemical and Biomolecular Engineering, Johns Hopkins University, Baltimore, MD 21218, USA
| | - Hui Zhang
- Department of Pathology, Johns Hopkins University, Baltimore, MD 21287, USA; Department of Chemical and Biomolecular Engineering, Johns Hopkins University, Baltimore, MD 21218, USA.
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10
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Abstract
N-Glycosylation of proteins, an important post-translational modification in eukaryotic cells, plays an essential role in the regulation of cell adhesion, migration, signal transduction, and apoptosis. Abnormal changes in protein glycosylation are closely related to the occurrence of many critical diseases, including diabetes, tumors, and neurological, kidney, and inflammatory diseases. A non-invasive type of liquid biopsy, urine sampling has the advantage of reducing the complexity of proteomic analysis. This facilitates the design of large-scale and continuous or multi-time point sampling strategies. However, the dynamic range of urinary protein abundance is relatively large, owing to individual differences and physiological conditions. Currently, there is a lack of specialized research on individual differences, physiological fluctuations, and physiological abundance ranges of urinary N-glycoproteins in large healthy populations. Therefore, it is difficult to accurately distinguish individual differences and normal physiological fluctuations from changes caused by disease; this poses a great challenge in disease marker research. Liquid chromatography-mass spectrometry (LC-MS) is an analytical technique widely used for the large-scale profiling of proteomes in biological systems, and the enrichment of N-glycopeptides is a prerequisite for their detection by MS.In this study, we established an approach based on hydrophilic interaction chromatography (HILIC) by optimizing the activation, cleaning, and elution processes of the enrichment method, for instance through the optimization of particle size and solvent composition, and investigated the identification number, selectivity, and stability of N-glycoprotein/N-glycopeptide enrichment under different experimental conditions. We found that N-glycoproteins and N-glycopeptides were highly enriched in a trifluoroacetic acid system with 5-μm filling particles in the HILIC column. On this basis, we analyzed the levels of N-glycoproteins/N-glycopeptides in urine samples. The consistency of N-glycoprotein/N-glycopeptide levels in urine samples taken from the same healthy person for five consecutive days was investigated by correlation analysis. This analysis revealed that the urinary N-glycoproteome of the same healthy person was relatively stable over a short period of time. Next, urinary samples from 20 healthy male volunteers and 20 healthy female volunteers were enriched for N-glycoproteins/N-glycopeptides, which were profiled by MS through qualitative and quantitative analyses. Screening and functional analysis of differential proteins were then carried out. A total of 1016 N-glycoproteins and 2192 N-glycopeptides were identified in the mid-morning urine samples of the 40 healthy volunteers. A label-free quantitation strategy was used to investigate the fluctuation range of the physiologically abundant urinary N-glycopeptides. The abundance of urinary N-glycopeptides spanned across approximately five orders of magnitude. Subsequently, gender differences in the N-glycosylation levels of urinary proteins were also explored in healthy people. Functional analysis of the N-glycoproteins that exhibited gender differences in abundance was performed. Based on multivariate statistical analysis, 206 differentially expressed proteins (p<0.05, fold change (FC)> 4) were identified. In females, we found 175 significantly down-regulated N-glycoproteins and 31 significantly up-regulated N-glycoproteins with respect to males. The expression levels of N-glycopeptides between the two groups suggested a clear gender difference. To investigate the biological processes and functions of these proteins, gene ontology (GO) analysis was performed on the N-glycoproteins/N-glycopeptides differentially expressed between males and females. Metabolic pathway analysis was also carried out based on the kyoto encyclopedia of genes and genomes (KEGG). Differentially expressed N-glycoproteins were mostly associated with platelet degranulation, extracellular region, and ossification. The top three relevant pathways were glycan biosynthesis and metabolism, metabolism of cofactors and vitamins, and lipid metabolism. Overall, sex may be an important factor for urinary N-glycoproteome differences among normal individuals and should be considered in clinical applications. This study provides relevant information regarding the function and mechanisms of the urinary glycoproteome and the screening of clinical biomarkers.
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Affiliation(s)
- Shiting SHANG
- 军事科学院军事医学研究院生命组学研究所, 北京蛋白质组研究中心, 蛋白质组学国家重点实验室, 北京 102206
- Institute of Lifeomics, Academy of Military Medical Sciences, Academy of Military Sciences, Beijing Proteome Research Center, State Key Laboratory of Proteomics, Beijing 102206, China
| | - Hangyan DONG
- 军事科学院军事医学研究院生命组学研究所, 北京蛋白质组研究中心, 蛋白质组学国家重点实验室, 北京 102206
- Institute of Lifeomics, Academy of Military Medical Sciences, Academy of Military Sciences, Beijing Proteome Research Center, State Key Laboratory of Proteomics, Beijing 102206, China
| | - Yuanyuan LI
- 军事科学院军事医学研究院生命组学研究所, 北京蛋白质组研究中心, 蛋白质组学国家重点实验室, 北京 102206
- Institute of Lifeomics, Academy of Military Medical Sciences, Academy of Military Sciences, Beijing Proteome Research Center, State Key Laboratory of Proteomics, Beijing 102206, China
| | - Wanjun ZHANG
- 军事科学院军事医学研究院生命组学研究所, 北京蛋白质组研究中心, 蛋白质组学国家重点实验室, 北京 102206
- Institute of Lifeomics, Academy of Military Medical Sciences, Academy of Military Sciences, Beijing Proteome Research Center, State Key Laboratory of Proteomics, Beijing 102206, China
| | - Hang LI
- 军事科学院军事医学研究院生命组学研究所, 北京蛋白质组研究中心, 蛋白质组学国家重点实验室, 北京 102206
- Institute of Lifeomics, Academy of Military Medical Sciences, Academy of Military Sciences, Beijing Proteome Research Center, State Key Laboratory of Proteomics, Beijing 102206, China
| | - Weijie QIN
- 军事科学院军事医学研究院生命组学研究所, 北京蛋白质组研究中心, 蛋白质组学国家重点实验室, 北京 102206
- Institute of Lifeomics, Academy of Military Medical Sciences, Academy of Military Sciences, Beijing Proteome Research Center, State Key Laboratory of Proteomics, Beijing 102206, China
| | - Xiaohong QIAN
- 军事科学院军事医学研究院生命组学研究所, 北京蛋白质组研究中心, 蛋白质组学国家重点实验室, 北京 102206
- Institute of Lifeomics, Academy of Military Medical Sciences, Academy of Military Sciences, Beijing Proteome Research Center, State Key Laboratory of Proteomics, Beijing 102206, China
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11
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Jia L, Li J, Li P, Liu D, Li J, Shen J, Zhu B, Ma C, Zhao T, Lan R, Dang L, Li W, Sun S. Site-specific glycoproteomic analysis revealing increased core-fucosylation on FOLR1 enhances folate uptake capacity of HCC cells to promote EMT. Am J Cancer Res 2021; 11:6905-6921. [PMID: 34093861 PMCID: PMC8171077 DOI: 10.7150/thno.56882] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2020] [Accepted: 04/14/2021] [Indexed: 12/24/2022] Open
Abstract
Rationale: Epithelial-mesenchymal transition (EMT) has been recognized as an important step toward high invasion and metastasis of many cancers including hepatocellular carcinoma (HCC), while the mechanism for EMT promotion is still ambiguous. Methods: The dynamic alterations of site-specific glycosylation during HGF/TGF-β1-induced EMT process of three HCC cell lines were systematically investigated using precision glycoproteomic methods. The possible roles of EMT-related glycoproteins and site-specific glycans were further confirmed by various molecular biological approaches. Results: Using mass spectrometry-based glycoproteomic methods, we totally identified 2306 unique intact glycopeptides from SMMC-7721 and HepG2 cell lines, and found that core-fucosylated glycans were accounted for the largest proportion of complex N-glycans. Through quantification analysis of intact glycopeptides, we found that the majority of core-fucosylated intact glycopeptides from folate receptor α (FOLR1) were up-regulated in the three HGF-treated cell lines. Similarly, core-fucosylation of FOLR1 were up-regulated in SMMC-7721 and Hep3B cells with TGF-β1 treatment. Using molecular approaches, we further demonstrated that FUT8 was a driver for HGF/TGF-β1-induced EMT. The silencing of FUT8 reduced core-fucosylation and partially blocked the progress of HGF-induced EMT. Finally, we confirmed that the level of core-fucosylation on FOLR1 especially at the glycosite Asn-201 positively regulated the cellular uptake capacity of folates, and enhanced uptake of folates could promote the EMT of HCC cells. Conclusions: Based on the results, we proposed a potential pathway for HGF or TGF-β1-induced EMT of HCC cells: HGF or TGF-β1 treatment of HCC cells can increase the expression of glycosyltransferase FUT8 to up-regulate the core-fucosylation of N-glycans on glycoproteins including the FOLR1; core-fucosylation on FOLR1 can then enhance the folate uptake capacity to finally promote the EMT progress of HCC cells.
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12
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Andrade-Silva D, Zelanis A, Travaglia-Cardoso SR, Nishiyama MY, Serrano SMT. Venom Profiling of the Insular Species Bothrops alcatraz: Characterization of Proteome, Glycoproteome, and N-Terminome Using Terminal Amine Isotopic Labeling of Substrates. J Proteome Res 2021; 20:1341-1358. [PMID: 33404253 DOI: 10.1021/acs.jproteome.0c00737] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Bothrops alcatraz, a species endemic to Alcatrazes Islands, is regarded as critically endangered due to its small area of occurrence and the declining quality of its habitat. We recently reported the identification of N-glycans attached to toxins of Bothrops species, showing similar compositions in venoms of the B. jararaca complex (B. jararaca, B. insularis, and B. alcatraz). Here, we characterized B. alcatraz venom using electrophoretic, proteomic, and glycoproteomic approaches. Electrophoresis showed that B. alcatraz venom differs from B. jararaca and B. insularis; however, N-glycan removal revealed similarities between them, indicating that the occupation of N-glycosylation sites contributes to interspecies variability in the B. jararaca complex. Metalloproteinase was the major toxin class identified in the B. alcatraz venom proteome followed by serine proteinase and C-type lectin, and overall, the adult B. alcatraz venom resembles that of B. jararaca juvenile specimens. The comparative glycoproteomic analysis of B. alcatraz venom with B. jararaca and B. insularis indicated that there may be differences in the utilization of N-glycosylation motifs among their different toxin classes. Furthermore, we prospected for the first time the N-terminome of a snake venom using the terminal amine isotopic labeling of substrates (TAILS) approach and report the presence of ∼30% of N-termini corresponding to truncated toxin forms and ∼37% N-terminal sequences blocked by pyroglutamic acid in B. alcatraz venom. These findings underscore a low correlation between venom gland transcriptomes and proteomes and support the view that post-translational processes play a major role in shaping venom phenotypes.
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Affiliation(s)
- Débora Andrade-Silva
- Laboratório de Toxinologia Aplicada, Center of Toxins, Immune-Response and Cell Signaling (CeTICS), Instituto Butantan, São Paulo 05503-900, Brazil
| | - André Zelanis
- Functional Proteomics Laboratory, Department of Science and Technology, Federal University of São Paulo, (ICT-UNIFESP), São José dos Campos 12231-280, SP, Brazil
| | | | - Milton Y Nishiyama
- Laboratório de Toxinologia Aplicada, Center of Toxins, Immune-Response and Cell Signaling (CeTICS), Instituto Butantan, São Paulo 05503-900, Brazil
| | - Solange M T Serrano
- Laboratório de Toxinologia Aplicada, Center of Toxins, Immune-Response and Cell Signaling (CeTICS), Instituto Butantan, São Paulo 05503-900, Brazil
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13
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Chen W, Wang R, Li D, Zuo C, Wen P, Liu H, Chen Y, Fujita M, Wu Z, Yang G. Comprehensive Analysis of the Glycome and Glycoproteome of Bovine Milk-Derived Exosomes. J Agric Food Chem 2020; 68:12692-12701. [PMID: 33137256 DOI: 10.1021/acs.jafc.0c04605] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Bovine milk-derived exosomes (BMDEs) have potential applications in the pharmaceutical industry as drug delivery carriers. A comprehensive analysis of protein glycosylation in exosomes is necessary to elucidate the process of targeted delivery. In this work, free oligosaccharides (FOSs), O-glycans, and N-glycans in BMDEs and whey were first analyzed through multiple derivation strategies. In summary, 13 FOSs, 44 O-glycans, and 94 N-glycans were identified in bovine milk. To analyze site-specific glycosylation of glycoproteins, a one-step method was used to enrich and characterize intact glycopeptides. A total of 1359 proteins including 114 glycoproteins were identified and most of these were located in the exosomes. Approximately 95 glycopeptides were initially discovered and 5 predicted glycosites were confirmed in BMDEs. Collectively, these findings revealed the characterization and distribution of glycans and glycoproteins in BMDEs, providing insight into the potential applications of BMDEs in drug delivery and food science.
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Affiliation(s)
- Wenyan Chen
- The Key Laboratory of Carbohydrate Chemistry & Biotechnology, Ministry of Education; School of Biotechnology, Jiangnan University, Wuxi 214122, China
| | - Rong Wang
- School of Medicine, Jiangnan University, Wuxi 214122, China
- School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - Dan Li
- The Key Laboratory of Carbohydrate Chemistry & Biotechnology, Ministry of Education; School of Biotechnology, Jiangnan University, Wuxi 214122, China
| | - Chenyang Zuo
- The Key Laboratory of Carbohydrate Chemistry & Biotechnology, Ministry of Education; School of Biotechnology, Jiangnan University, Wuxi 214122, China
| | - Piaopiao Wen
- The Key Laboratory of Carbohydrate Chemistry & Biotechnology, Ministry of Education; School of Biotechnology, Jiangnan University, Wuxi 214122, China
| | - Haili Liu
- The Key Laboratory of Carbohydrate Chemistry & Biotechnology, Ministry of Education; School of Biotechnology, Jiangnan University, Wuxi 214122, China
| | - Yongquan Chen
- School of Medicine, Jiangnan University, Wuxi 214122, China
- School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - Morihisa Fujita
- The Key Laboratory of Carbohydrate Chemistry & Biotechnology, Ministry of Education; School of Biotechnology, Jiangnan University, Wuxi 214122, China
| | - Zhimeng Wu
- The Key Laboratory of Carbohydrate Chemistry & Biotechnology, Ministry of Education; School of Biotechnology, Jiangnan University, Wuxi 214122, China
| | - Ganglong Yang
- The Key Laboratory of Carbohydrate Chemistry & Biotechnology, Ministry of Education; School of Biotechnology, Jiangnan University, Wuxi 214122, China
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14
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Zhao T, Jia L, Li J, Ma C, Wu J, Shen J, Dang L, Zhu B, Li P, Zhi Y, Lan R, Xu Y, Hao Z, Chai Y, Li Q, Hu L, Sun S. Heterogeneities of Site-Specific N-Glycosylation in HCC Tumors With Low and High AFP Concentrations. Front Oncol 2020; 10:496. [PMID: 32426269 PMCID: PMC7212448 DOI: 10.3389/fonc.2020.00496] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2019] [Accepted: 03/19/2020] [Indexed: 12/12/2022] Open
Abstract
Hepatocellular carcinoma (HCC) is still one of the malignant tumors with high morbidity and mortality in China and worldwide. Although alpha-fetoprotein (AFP) as well as core fucosylated AFP-L3 have been widely used as important biomarkers for HCC diagnosis and evaluation, the AFP level shows a huge variation among HCC patient populations. In addition, the AFP level has also been proved to be associated with pathological grade, progression, and survival of HCC patients. Understanding the intrinsic heterogeneities of HCC associated with AFP levels is essential for the molecular mechanism studies of HCC with different AFP levels as well as for the potential early diagnosis and personalized treatment of HCC with AFP negative. In this study, an integrated N-glycoproteomic and proteomic analysis of low and high AFP levels of HCC tumors was performed to investigate the intrinsic heterogeneities of site-specific glycosylation associated with different AFP levels of HCC. By large-scale profiling and quantifying more than 4,700 intact N-glycopeptides from 20 HCC and 20 paired paracancer samples, we identified many commonly altered site-specific N-glycans from HCC tumors regardless of AFP levels, including decreased modifications by oligo-mannose and sialylated bi-antennary glycans, and increased modifications by bisecting glycans. By relative quantifying the intact N-glycopeptides between low and high AFP tumor groups, the great heterogeneities of site-specific N-glycans between two groups of HCC tumors were also uncovered. We found that several sialylated but not core fucosylated tri-antennary glycans were uniquely increased in low AFP level of HCC tumors, while many core fucosylated bi-antennary or hybrid glycans as well as bisecting glycans were uniquely increased in high AFP tumors. The data provide a valuable resource for future HCC studies regarding the mechanism, heterogeneities and new biomarker discovery.
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Affiliation(s)
- Ting Zhao
- College of Life Science, Northwest University, Xi'an, China
| | - Li Jia
- College of Life Science, Northwest University, Xi'an, China
| | - Jun Li
- College of Life Science, Northwest University, Xi'an, China
| | - Chen Ma
- College of Life Science, Northwest University, Xi'an, China
| | - Jingyu Wu
- College of Life Science, Northwest University, Xi'an, China
| | - Jiechen Shen
- College of Life Science, Northwest University, Xi'an, China
| | - Liuyi Dang
- College of Life Science, Northwest University, Xi'an, China
| | - Bojing Zhu
- College of Life Science, Northwest University, Xi'an, China
| | - Pengfei Li
- College of Life Science, Northwest University, Xi'an, China
| | - Yuan Zhi
- College of Life Science, Northwest University, Xi'an, China
| | - Rongxia Lan
- College of Life Science, Northwest University, Xi'an, China
| | - Yintai Xu
- College of Life Science, Northwest University, Xi'an, China
| | - Zhifang Hao
- College of Life Science, Northwest University, Xi'an, China
| | - Yichao Chai
- Department of Hepatobiliary Surgery, Institute of Advanced Surgical Technology and Engineering, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Qingshan Li
- Department of Hepatobiliary Surgery, Institute of Advanced Surgical Technology and Engineering, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Liangshuo Hu
- Department of Hepatobiliary Surgery, Institute of Advanced Surgical Technology and Engineering, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Shisheng Sun
- College of Life Science, Northwest University, Xi'an, China
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15
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Drabik A, Ner-Kluza J, Hartman K, Mayer G, Silberring J. Changes in Protein Glycosylation as a Result of Aptamer Interactions with Cancer Cells. Proteomics Clin Appl 2019; 14:e1800186. [PMID: 31550741 DOI: 10.1002/prca.201800186] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2018] [Revised: 03/04/2019] [Indexed: 12/21/2022]
Abstract
PURPOSE Based on the recent aptamer-related breast cancer studies, which indicate the therapeutic role of specific oligonucleotide sequences, experiments have been designed in an attempt to unravel the molecular targets of this mechanism. This article describes the study on glycoproteome changes in breast cancer cells as a result of their interactions with aptamers. EXPERIMENTAL DESIGN Aberrations in protein glycosylation play an important role in tumorigenesis and influence cancer progression, metastasis, immunoresponse, and chemoresistance, therefore this study is focused on the identification of the alterations in glycan expression on the surface of proteins as a potential and innovative tool for biomedical applications of aptamers in cancer treatment. RESULTS Two proteins, kinesin-like protein (KI13B) and proliferating cell nuclear antigen (PCNA), have been identified that carry N-glycan epitopes after conjugation with aptamer sequences. CONCLUSIONS AND CLINICAL RELEVANCE Multiple features of aptamers as an alternative to protein antibodies are utilized for various biomedical applications ranging from biomarker discovery, bioimaging, targeted therapy, drug delivery, and drug pharmacokinetics and biodistribution. Frequently, aptamers bind to their target molecules and modulate their function. Such therapeutic aptamers can modify the biological pathways for treatment of many types of diseases, such as cancer.
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Affiliation(s)
- Anna Drabik
- Department of Biochemistry and Neurobiology, Faculty of Materials Science and Ceramics, AGH University of Science and Technology, Krakow, 30-059, Poland
| | - Joanna Ner-Kluza
- Department of Biochemistry and Neurobiology, Faculty of Materials Science and Ceramics, AGH University of Science and Technology, Krakow, 30-059, Poland
| | - Kinga Hartman
- Department of Biochemistry and Neurobiology, Faculty of Materials Science and Ceramics, AGH University of Science and Technology, Krakow, 30-059, Poland
| | - Günter Mayer
- Department of Chemical Biology, Life and Medical Sciences Institute, University of Bonn, 53113, Bonn, Germany.,Center of Aptamer Research and Development, University of Bonn, 53113, Bonn, Germany
| | - Jerzy Silberring
- Department of Biochemistry and Neurobiology, Faculty of Materials Science and Ceramics, AGH University of Science and Technology, Krakow, 30-059, Poland.,Centre of Polymer and Carbon Materials, Polish Academy of Sciences, Zabrze, 41-819, Poland
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16
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Hernandez-Valladares M, Wangen R, Berven FS, Guldbrandsen A. Protein Post-Translational Modification Crosstalk in Acute Myeloid Leukemia Calls for Action. Curr Med Chem 2019; 26:5317-5337. [PMID: 31241430 DOI: 10.2174/0929867326666190503164004] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2018] [Revised: 11/23/2018] [Accepted: 02/01/2019] [Indexed: 01/24/2023]
Abstract
BACKGROUND Post-translational modification (PTM) crosstalk is a young research field. However, there is now evidence of the extraordinary characterization of the different proteoforms and their interactions in a biological environment that PTM crosstalk studies can describe. Besides gene expression and phosphorylation profiling of acute myeloid leukemia (AML) samples, the functional combination of several PTMs that might contribute to a better understanding of the complexity of the AML proteome remains to be discovered. OBJECTIVE By reviewing current workflows for the simultaneous enrichment of several PTMs and bioinformatics tools to analyze mass spectrometry (MS)-based data, our major objective is to introduce the PTM crosstalk field to the AML research community. RESULTS After an introduction to PTMs and PTM crosstalk, this review introduces several protocols for the simultaneous enrichment of PTMs. Two of them allow a simultaneous enrichment of at least three PTMs when using 0.5-2 mg of cell lysate. We have reviewed many of the bioinformatics tools used for PTM crosstalk discovery as its complex data analysis, mainly generated from MS, becomes challenging for most AML researchers. We have presented several non-AML PTM crosstalk studies throughout the review in order to show how important the characterization of PTM crosstalk becomes for the selection of disease biomarkers and therapeutic targets. CONCLUSION Herein, we have reviewed the advances and pitfalls of the emerging PTM crosstalk field and its potential contribution to unravel the heterogeneity of AML. The complexity of sample preparation and bioinformatics workflows demands a good interaction between experts of several areas.
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Affiliation(s)
- Maria Hernandez-Valladares
- Department of Clinical Science, Faculty of Medicine, University of Bergen, Jonas Lies vei 87, N-5021 Bergen, Norway.,The Proteomics Unit at the University of Bergen, Department of Biomedicine, Building for Basic Biology, Faculty of Medicine, University of Bergen, Jonas Lies vei 91, N-5009 Bergen, Norway
| | - Rebecca Wangen
- Department of Clinical Science, Faculty of Medicine, University of Bergen, Jonas Lies vei 87, N-5021 Bergen, Norway.,The Proteomics Unit at the University of Bergen, Department of Biomedicine, Building for Basic Biology, Faculty of Medicine, University of Bergen, Jonas Lies vei 91, N-5009 Bergen, Norway.,Department of Internal Medicine, Hematology Section, Haukeland University Hospital, Jonas Lies vei 65, N-5021 Bergen, Norway
| | - Frode S Berven
- The Proteomics Unit at the University of Bergen, Department of Biomedicine, Building for Basic Biology, Faculty of Medicine, University of Bergen, Jonas Lies vei 91, N-5009 Bergen, Norway
| | - Astrid Guldbrandsen
- The Proteomics Unit at the University of Bergen, Department of Biomedicine, Building for Basic Biology, Faculty of Medicine, University of Bergen, Jonas Lies vei 91, N-5009 Bergen, Norway.,Computational Biology Unit, Department of Informatics, Faculty of Mathematics and Natural Sciences, University of Bergen, Thormøhlensgt 55, N-5008 Bergen, Norway
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17
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Dang L, Jia L, Zhi Y, Li P, Zhao T, Zhu B, Lan R, Hu Y, Zhang H, Sun S. Mapping human N-linked glycoproteins and glycosylation sites using mass spectrometry. Trends Analyt Chem 2019; 114:143-150. [PMID: 31831916 PMCID: PMC6907083 DOI: 10.1016/j.trac.2019.02.009] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
N-linked glycoprotein is a highly interesting class of proteins for clinical and biological research. Over the last decade, large-scale profiling of N-linked glycoproteins and glycosylation sites from biological and clinical samples has been achieved through mass spectrometry-based glycoproteomic approaches. In this paper, we reviewed the human glycoproteomic profiles that have been reported in more than 80 individual studies, and mainly focused on the N-glycoproteins and glycosylation sites identified through their deglycosylated forms of glycosite-containing peptides. According to our analyses, more than 30,000 glycosite-containing peptides and 7,000 human glycoproteins have been identified from five different body fluids, twelve human tissues (or related cell lines), and four special cell types. As the glycoproteomic data is still missing for many organs and tissues, a systematical glycoproteomic analysis of various human tissues and body fluids using a uniform platform is still needed for an integrated map of human N-glycoproteomes.
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Affiliation(s)
- Liuyi Dang
- College of Life Sciences, Northwest University, Xi’an, Shaanxi province 710069, China
| | - Li Jia
- College of Life Sciences, Northwest University, Xi’an, Shaanxi province 710069, China
| | - Yuan Zhi
- College of Life Sciences, Northwest University, Xi’an, Shaanxi province 710069, China
| | - Pengfei Li
- College of Life Sciences, Northwest University, Xi’an, Shaanxi province 710069, China
| | - Ting Zhao
- College of Life Sciences, Northwest University, Xi’an, Shaanxi province 710069, China
| | - Bojing Zhu
- College of Life Sciences, Northwest University, Xi’an, Shaanxi province 710069, China
| | - Rongxia Lan
- College of Life Sciences, Northwest University, Xi’an, Shaanxi province 710069, China
| | - Yingwei Hu
- Department of Pathology, Johns Hopkins University, Baltimore, Maryland 21287, USA
| | - Hui Zhang
- Department of Pathology, Johns Hopkins University, Baltimore, Maryland 21287, USA
| | - Shisheng Sun
- College of Life Sciences, Northwest University, Xi’an, Shaanxi province 710069, China
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18
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Lamoureux L, Simon SLR, Waitt B, Knox JD. Proteomic Screen of Brain Glycoproteome Reveals Prion Specific Marker of Pathogenesis. Proteomics 2019; 18. [PMID: 29087046 DOI: 10.1002/pmic.201700296] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2017] [Revised: 09/28/2017] [Indexed: 11/09/2022]
Abstract
Transmissible spongiform encephalopathies (TSEs) are neurodegenerative disorders caused by the presence of an infectious prion protein. The primary site of pathology is the brain characterized by neuroinflammation, astrogliosis, prion fibrils, and vacuolation. The events preceding the observed pathology remain in question. We sought to identify biomarkers in the brain of TSE-infected and aged-matched control mice using two-dimensional fluorescence difference gel electrophoresis (2D-DIGE). Since the brain proteome is too complex to resolve all proteins using 2D-DIGE, protein samples are initially filtered through either concanavalin A (ConA) or wheat-germ agglutinin (WGA) columns. Four differentially abundant proteins are identified through screening of the two different glycoproteomes: Neuronal growth regulator 1 (NEGR1), calponin-3 (CNN3), peroxiredoxin-6 (Prdx6), and glial fibrillary acidic protein (GFAP). Confirmatory Western blots are performed with samples from TSE-infected and comparative Alzheimer's disease (AD) affected brains and their respective controls from time points throughout the disease courses. The abundance of three of the four proteins increases significantly during later stages of prion disease whereas NEGR1 decreases in abundance. Comparatively, no significant changes are observed in later stages of AD. Our lab is the first to associate the glycosylated NEGR1 protein with prion disease pathology.
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Affiliation(s)
- Lise Lamoureux
- Prion Laboratory Services, Public Health Agency of Canada, Winnipeg, Canada
| | - Sharon L R Simon
- Prion Laboratory Services, Public Health Agency of Canada, Winnipeg, Canada
| | - Brooks Waitt
- Prion Laboratory Services, Public Health Agency of Canada, Winnipeg, Canada
| | - J David Knox
- Prion Laboratory Services, Public Health Agency of Canada, Winnipeg, Canada.,Department of Medical Microbiology, University of Manitoba, Winnipeg, Canada
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19
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Abstract
Posttranslational N-glycosylation of food proteins plays a critical role in their structure and function. However, the N-glycoproteome of chicken egg yolk (CEY) has not been studied yet. Glycopeptides hydrolyzed from CEY proteins were enriched, with deglycosylation occurring using PNGase F, and then were identified using a shotgun glycoproteomics strategy. A total of 217 N-glycosylation sites and 86 glycoproteins were identified in CEY, and these glycoproteins are mainly involved in the binding, biological regulation, catalytic activity, and metabolic processes. Among the identified CEY glycoproteins, 22 were recognized as proteases and protease inhibitors, suggesting that a proteinase/inhibitor regulation system exists in CEY; further, 15 were members of the complement and immune systems, which provide protection against potential threats during hatching. The study provides important structural information about CEY glycoproteins and aids in the understanding of the underlying mechanism of embryo development as well as changes in CEY functional characteristics during storage and processing.
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Affiliation(s)
- Fang Geng
- Key Laboratory of Coarse Cereal Processing (Ministry of Agriculture) , Chengdu University , No. 2025 Chengluo Avenue , Chengdu 610106 , P. R. China
- College of Pharmacy and Biological Engineering , Chengdu University , No. 2025 Chengluo Avenue , Chengdu 610106 , P. R. China
| | - Yunxiao Xie
- Key Laboratory of Coarse Cereal Processing (Ministry of Agriculture) , Chengdu University , No. 2025 Chengluo Avenue , Chengdu 610106 , P. R. China
- College of Pharmacy and Biological Engineering , Chengdu University , No. 2025 Chengluo Avenue , Chengdu 610106 , P. R. China
| | - Jinqiu Wang
- Key Laboratory of Coarse Cereal Processing (Ministry of Agriculture) , Chengdu University , No. 2025 Chengluo Avenue , Chengdu 610106 , P. R. China
- College of Pharmacy and Biological Engineering , Chengdu University , No. 2025 Chengluo Avenue , Chengdu 610106 , P. R. China
| | - Kaustav Majumder
- Food Science and Technology Department , University of Nebraska-Lincoln , 1400 R Street , Lincoln , Nebraska 68588 , United States
| | - Ning Qiu
- National R&D Center for Egg Processing, College of Food Science and Technology , Huazhong Agricultural University , No. 1 Shizishan Street , Wuhan 430070 , P. R. China
| | - Meihu Ma
- National R&D Center for Egg Processing, College of Food Science and Technology , Huazhong Agricultural University , No. 1 Shizishan Street , Wuhan 430070 , P. R. China
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20
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Narimatsu H, Kaji H, Vakhrushev SY, Clausen H, Zhang H, Noro E, Togayachi A, Nagai-Okatani C, Kuno A, Zou X, Cheng L, Tao SC, Sun Y. Current Technologies for Complex Glycoproteomics and Their Applications to Biology/Disease-Driven Glycoproteomics. J Proteome Res 2018; 17:4097-4112. [PMID: 30359034 DOI: 10.1021/acs.jproteome.8b00515] [Citation(s) in RCA: 47] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Glycoproteomics is an important recent advance in the field of glycoscience. In glycomics, glycan structures are comprehensively analyzed after glycans are released from glycoproteins. However, a major limitation of glycomics is the lack of insight into glycoprotein functions. The Biology/Disease-driven Human Proteome Project has a particular focus on biological and medical applications. Glycoproteomics technologies aimed at obtaining a comprehensive understanding of intact glycoproteins, i.e., the kind of glycan structures that are attached to particular amino acids and proteins, have been developed. This Review focuses on the recent progress of the technologies and their applications. First, the methods for large-scale identification of both N- and O-glycosylated proteins are summarized. Next, the progress of analytical methods for intact glycopeptides is outlined. MS/MS-based methods were developed for improving the sensitivity and speed of the mass spectrometer, in parallel with the software for complex spectrum assignment. In addition, a unique approach to identify intact glycopeptides using MS1-based accurate masses is introduced. Finally, as an advance of glycomics, two approaches to provide the spatial distribution of glycans in cells are described, i.e., MS imaging and lectin microarray. These methods allow rapid glycomic profiling of different types of biological samples and thus facilitate glycoproteomics.
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Affiliation(s)
- Hisashi Narimatsu
- Biotechnology Research Institute for Drug Discovery , National Institute of Advanced Industrial Science and Technology (AIST), 1-1-1 Umezono , Tsukuba , Ibaraki 305-8568 , Japan
| | - Hiroyuki Kaji
- Biotechnology Research Institute for Drug Discovery , National Institute of Advanced Industrial Science and Technology (AIST), 1-1-1 Umezono , Tsukuba , Ibaraki 305-8568 , Japan
| | - Sergey Y Vakhrushev
- Copenhagen Center for Glycomics , University of Copenhagen , Blegdamsvej 3 , Copenhagen 2200 , Denmark
| | - Henrik Clausen
- Copenhagen Center for Glycomics , University of Copenhagen , Blegdamsvej 3 , Copenhagen 2200 , Denmark
| | - Hui Zhang
- Center for Biomarker Discovery and Translation , Johns Hopkins University , 400 North Broadway , Baltimore , Maryland 21205 , United States
| | - Erika Noro
- Biotechnology Research Institute for Drug Discovery , National Institute of Advanced Industrial Science and Technology (AIST), 1-1-1 Umezono , Tsukuba , Ibaraki 305-8568 , Japan
| | - Akira Togayachi
- Biotechnology Research Institute for Drug Discovery , National Institute of Advanced Industrial Science and Technology (AIST), 1-1-1 Umezono , Tsukuba , Ibaraki 305-8568 , Japan
| | - Chiaki Nagai-Okatani
- Biotechnology Research Institute for Drug Discovery , National Institute of Advanced Industrial Science and Technology (AIST), 1-1-1 Umezono , Tsukuba , Ibaraki 305-8568 , Japan
| | - Atsushi Kuno
- Biotechnology Research Institute for Drug Discovery , National Institute of Advanced Industrial Science and Technology (AIST), 1-1-1 Umezono , Tsukuba , Ibaraki 305-8568 , Japan
| | - Xia Zou
- Biotechnology Research Institute for Drug Discovery , National Institute of Advanced Industrial Science and Technology (AIST), 1-1-1 Umezono , Tsukuba , Ibaraki 305-8568 , Japan.,Shanghai Center for Systems Biomedicine, Key Laboratory of Systems Biomedicine (Ministry of Education) , Shanghai Jiao Tong University , 800 Dong Chuan Road , Minhang , Shanghai 200240 , P.R. China
| | - Li Cheng
- Shanghai Center for Systems Biomedicine, Key Laboratory of Systems Biomedicine (Ministry of Education) , Shanghai Jiao Tong University , 800 Dong Chuan Road , Minhang , Shanghai 200240 , P.R. China
| | - Sheng-Ce Tao
- Shanghai Center for Systems Biomedicine, Key Laboratory of Systems Biomedicine (Ministry of Education) , Shanghai Jiao Tong University , 800 Dong Chuan Road , Minhang , Shanghai 200240 , P.R. China
| | - Yangyang Sun
- Shanghai Center for Systems Biomedicine, Key Laboratory of Systems Biomedicine (Ministry of Education) , Shanghai Jiao Tong University , 800 Dong Chuan Road , Minhang , Shanghai 200240 , P.R. China
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21
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Wong MY, Chen K, Antonopoulos A, Kasper BT, Dewal MB, Taylor RJ, Whittaker CA, Hein PP, Dell A, Genereux JC, Haslam SM, Mahal LK, Shoulders MD. XBP1s activation can globally remodel N-glycan structure distribution patterns. Proc Natl Acad Sci U S A 2018; 115:E10089-98. [PMID: 30305426 DOI: 10.1073/pnas.1805425115] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
Classically, the unfolded protein response (UPR) safeguards secretory pathway proteostasis. The most ancient arm of the UPR, the IRE1-activated spliced X-box binding protein 1 (XBP1s)-mediated response, has roles in secretory pathway maturation beyond resolving proteostatic stress. Understanding the consequences of XBP1s activation for cellular processes is critical for elucidating mechanistic connections between XBP1s and development, immunity, and disease. Here, we show that a key functional output of XBP1s activation is a cell type-dependent shift in the distribution of N-glycan structures on endogenous membrane and secreted proteomes. For example, XBP1s activity decreased levels of sialylation and bisecting GlcNAc in the HEK293 membrane proteome and secretome, while substantially increasing the population of oligomannose N-glycans only in the secretome. In HeLa cell membranes, stress-independent XBP1s activation increased the population of high-mannose and tetraantennary N-glycans, and also enhanced core fucosylation. mRNA profiling experiments suggest that XBP1s-mediated remodeling of the N-glycome is, at least in part, a consequence of coordinated transcriptional resculpting of N-glycan maturation pathways by XBP1s. The discovery of XBP1s-induced N-glycan structural remodeling on a glycome-wide scale suggests that XBP1s can act as a master regulator of N-glycan maturation. Moreover, because the sugars on cell-surface proteins or on proteins secreted from an XBP1s-activated cell can be molecularly distinct from those of an unactivated cell, these findings reveal a potential new mechanism for translating intracellular stress signaling into altered interactions with the extracellular environment.
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22
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Hare NJ, Lee LY, Loke I, Britton WJ, Saunders BM, Thaysen-Andersen M. Mycobacterium tuberculosis Infection Manipulates the Glycosylation Machinery and the N- Glycoproteome of Human Macrophages and Their Microparticles. J Proteome Res 2016; 16:247-263. [PMID: 27760463 DOI: 10.1021/acs.jproteome.6b00685] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Tuberculosis (TB) remains a prevalent and lethal infectious disease. The glycobiology associated with Mycobacterium tuberculosis infection of frontline alveolar macrophages is still unresolved. Herein, we investigated the regulation of protein N-glycosylation in human macrophages and their secreted microparticles (MPs) used for intercellular communication upon M. tb infection. LC-MS/MS-based proteomics and glycomics were performed to monitor the regulation of glycosylation enzymes and receptors and the N-glycome in in vitro-differentiated macrophages and in isolated MPs upon M. tb infection. Infection promoted a dramatic regulation of the macrophage proteome. Most notably, significant infection-dependent down-regulation (4-26 fold) of 11 lysosomal exoglycosidases, e.g., β-galactosidase, β-hexosaminidases and α-/β-mannosidases, was observed. Relative weak infection-driven transcriptional regulation of these exoglycosidases and a stronger augmentation of the extracellular hexosaminidase activity demonstrated that the lysosome-centric changes may originate predominantly from infection-induced secretion of the lysosomal content. The macrophages showed heterogeneous N-glycan profiles and displayed significant up-regulation of complex-type glycosylation and concomitant down-regulation of paucimannosylation upon infection. Complementary intact N-glycopeptide analysis supported a subcellular-specific manipulation of the glycosylation machinery and altered glycosylation patterns of lysosomal N-glycoproteins within infected macrophages. Interestingly, the corresponding macrophage-derived MPs displayed unique N-glycome and proteome signatures supporting a preferential packaging from plasma membranes. The MPs were devoid of infection-dependent N-glycosylation signatures, but interestingly displayed increased levels of the glyco-initiating oligosaccharyltransferase complex and associated α-glucosidases that correlated with increased formation, N-glycan precursor levels and N-glycan density of infected MPs. In conclusion, this system-wide study provides new insight into the host- and pathogen-driven N-glycoproteome manipulation of macrophages in TB.
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Affiliation(s)
- Nathan J Hare
- Tuberculosis Research Program, Centenary Institute, Discipline of Medicine, Infectious Diseases and Immunology, Sydney Medical School, The University of Sydney , Newtown, NSW 2042, Australia
| | - Ling Y Lee
- Department of Chemistry and Biomolecular Sciences, Macquarie University , Sydney, NSW 2109, Australia
| | - Ian Loke
- Department of Chemistry and Biomolecular Sciences, Macquarie University , Sydney, NSW 2109, Australia
| | - Warwick J Britton
- Tuberculosis Research Program, Centenary Institute, Discipline of Medicine, Infectious Diseases and Immunology, Sydney Medical School, The University of Sydney , Newtown, NSW 2042, Australia
| | - Bernadette M Saunders
- Tuberculosis Research Program, Centenary Institute, Discipline of Medicine, Infectious Diseases and Immunology, Sydney Medical School, The University of Sydney , Newtown, NSW 2042, Australia.,School of Life Sciences, University of Technology Sydney , Sydney, NSW 2007, Australia
| | - Morten Thaysen-Andersen
- Department of Chemistry and Biomolecular Sciences, Macquarie University , Sydney, NSW 2109, Australia
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23
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Ambrose SR, Gordon NS, Goldsmith JC, Wei W, Zeegers MP, James ND, Knowles MA, Bryan RT, Ward DG. Use of Aleuria alantia Lectin Affinity Chromatography to Enrich Candidate Biomarkers from the Urine of Patients with Bladder Cancer. Proteomes 2015; 3:266-282. [PMID: 28248271 PMCID: PMC5217382 DOI: 10.3390/proteomes3030266] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2015] [Revised: 08/25/2015] [Accepted: 08/27/2015] [Indexed: 12/22/2022] Open
Abstract
Developing a urine test to detect bladder tumours with high sensitivity and specificity is a key goal in bladder cancer research. We hypothesised that bladder cancer-specific glycoproteins might fulfill this role. Lectin-ELISAs were used to study the binding of 25 lectins to 10 bladder cell lines and serum and urine from bladder cancer patients and non-cancer controls. Selected lectins were then used to enrich glycoproteins from the urine of bladder cancer patients and control subjects for analysis by shotgun proteomics. None of the lectins showed a strong preference for bladder cancer cell lines over normal urothlelial cell lines or for urinary glycans from bladder cancer patients over those from non-cancer controls. However, several lectins showed a strong preference for bladder cell line glycans over serum glycans and are potentially useful for enriching glycoproteins originating from the urothelium in urine. Aleuria alantia lectin affinity chromatography and shotgun proteomics identified mucin-1 and golgi apparatus protein 1 as proteins warranting further investigation as urinary biomarkers for low-grade bladder cancer. Glycosylation changes in bladder cancer are not reliably detected by measuring lectin binding to unfractionated proteomes, but it is possible that more specific reagents and/or a focus on individual proteins may produce clinically useful biomarkers.
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Affiliation(s)
- Sarah R Ambrose
- School of Cancer Sciences, University of Birmingham, Birmingham B15 2TT, UK.
| | - Naheema S Gordon
- School of Cancer Sciences, University of Birmingham, Birmingham B15 2TT, UK.
| | - James C Goldsmith
- School of Cancer Sciences, University of Birmingham, Birmingham B15 2TT, UK.
| | - Wenbin Wei
- School of Cancer Sciences, University of Birmingham, Birmingham B15 2TT, UK.
| | - Maurice P Zeegers
- School of Cancer Sciences, University of Birmingham, Birmingham B15 2TT, UK.
- Department of Complex Genetics, NUTRIM School of Nutrition and Translational Research in Metabolism, Maastricht University Medical Centre, Maastricht 6200 MD, The Netherlands.
| | - Nicholas D James
- Clinical Trials Unit, University of Warwick, Coventry CV4 7AL, UK.
| | - Margaret A Knowles
- Section of Experimental Oncology, Leeds Institute of Cancer and Pathology, St James's' University Hospital, Beckett Street, Leeds LS9 7TF, UK.
| | - Richard T Bryan
- School of Cancer Sciences, University of Birmingham, Birmingham B15 2TT, UK.
| | - Douglas G Ward
- School of Cancer Sciences, University of Birmingham, Birmingham B15 2TT, UK.
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24
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Wang J, Wang Y, Gao M, Zhang X, Yang P. Multilayer Hydrophilic Poly(phenol-formaldehyde resin)-Coated Magnetic Graphene for Boronic Acid Immobilization as a Novel Matrix for Glycoproteome Analysis. ACS Appl Mater Interfaces 2015; 7:16011-7. [PMID: 26161682 DOI: 10.1021/acsami.5b04295] [Citation(s) in RCA: 52] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
Abstract
Capturing glycopeptides selectively and efficiently from mixed biological samples has always been critical for comprehensive and in-depth glycoproteomics analysis, but the lack of materials with superior capture capacity and high specificity still makes it a challenge. In this work, we introduce a way first to synthesize a novel boronic-acid-functionalized magnetic graphene@phenolic-formaldehyde resin multilayer composites via a facile process. The as-prepared composites gathered excellent characters of large specific surface area and strong magnetic responsiveness of magnetic graphene, biocompatibility of resin, and enhanced affinity properties of boronic acid. Furthermore, the functional graphene composites were shown to have low detection limit (1 fmol) and good selectivity, even when the background nonglycopeptides has a concentration 100 fold higher. Additionally, enrichment efficiency of the composites was still retained after being used repeatedly (at least three times). Better yet, the practical applicability of this approach was evaluated by the enrichment of human serum with a low sample volume of 1 μL. All the results have illustrated that the magG@PF@APB has a great potential in glycoproteome analysis of complex biological samples.
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Affiliation(s)
- Jiaxi Wang
- Department of Chemistry and Institutes of Biomedical Sciences, Fudan University, Shanghai 200433, China
| | - Yanan Wang
- Department of Chemistry and Institutes of Biomedical Sciences, Fudan University, Shanghai 200433, China
| | - Mingxia Gao
- Department of Chemistry and Institutes of Biomedical Sciences, Fudan University, Shanghai 200433, China
| | - Xiangmin Zhang
- Department of Chemistry and Institutes of Biomedical Sciences, Fudan University, Shanghai 200433, China
| | - Pengyuan Yang
- Department of Chemistry and Institutes of Biomedical Sciences, Fudan University, Shanghai 200433, China
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25
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Abstract
Brachypodium distachyon L., a model plant for cereal crops, has become important as an alternative and potential biofuel grass. In plants, N-glycosylation is one of the most common and important protein modifications, playing important roles in signal recognition, increase in protein activity, stability of protein structure, and formation of tissues and organs. In this study, we performed the first glycoproteome analysis in the seedling leaves of B. distachyon. Using lectin affinity chromatography enrichment and mass-spectrometry-based analysis, we identified 47 glycosylation sites representing 46 N-linked glycoproteins. Motif-X analysis showed that two conserved motifs, N-X-T/S (X is any amino acid, except Pro), were significantly enriched. Further functional analysis suggested that some of these identified glycoproteins are involved in signal transduction, protein trafficking, and quality control and the modification and remodeling of cell-wall components such as receptor-like kinases, protein disulfide isomerase, and polygalacturonase. Moreover, transmembrane helices and signal peptide prediction showed that most of these glycoproteins could participate in typical protein secretory pathways in eukaryotes. The results provide a general overview of protein N-glycosylation modifications during the early growth of seedling leaves in B. distachyon and supplement the glycoproteome databases of plants.
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Affiliation(s)
- Ming Zhang
- †College of Life Science, Capital Normal University, Xisanhuan Beilu No. 105, 100048 Beijing, China.,‡College of Life Science, Heze University, University Road No. 2269, 274015 Shandong, China
| | - Guan-Xing Chen
- †College of Life Science, Capital Normal University, Xisanhuan Beilu No. 105, 100048 Beijing, China
| | - Dong-Wen Lv
- †College of Life Science, Capital Normal University, Xisanhuan Beilu No. 105, 100048 Beijing, China
| | - Xiao-Hui Li
- †College of Life Science, Capital Normal University, Xisanhuan Beilu No. 105, 100048 Beijing, China
| | - Yue-Ming Yan
- †College of Life Science, Capital Normal University, Xisanhuan Beilu No. 105, 100048 Beijing, China.,§Hubei Collaborative Innovation Center for Grain Industry, Jing Secret Road No. 88, 434025 Jingzhou, China
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26
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Lee LY, Lin CH, Fanayan S, Packer NH, Thaysen-Andersen M. Differential site accessibility mechanistically explains subcellular-specific N-glycosylation determinants. Front Immunol 2014; 5:404. [PMID: 25202310 PMCID: PMC4142333 DOI: 10.3389/fimmu.2014.00404] [Citation(s) in RCA: 41] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2014] [Accepted: 08/07/2014] [Indexed: 12/25/2022] Open
Abstract
Glycoproteins perform extra- and intracellular functions in innate and adaptive immunity by lectin-based interactions to exposed glyco-determinants. Herein, we document and mechanistically explain the formation of subcellular-specific N-glycosylation determinants on glycoproteins trafficking through the shared biosynthetic machinery of human cells. LC-MS/MS-based quantitative glycomics showed that the secreted glycoproteins of eight human breast epithelial cells displaying diverse geno- and phenotypes consistently displayed more processed, primarily complex type, N-glycans than the high-mannose-rich microsomal glycoproteins. Detailed subcellular glycome profiling of proteins derived from three breast cell lines (MCF7/MDA468/MCF10A) demonstrated that secreted glycoproteins displayed significantly more α-sialylation and α1,6-fucosylation, but less α-mannosylation, than both the intermediately glycan-processed cell-surface glycoproteomes and the under-processed microsomal glycoproteomes. Subcellular proteomics and gene ontology revealed substantial presence of endoplasmic reticulum resident glycoproteins in the microsomes and confirmed significant enrichment of secreted and cell-surface glycoproteins in the respective subcellular fractions. The solvent accessibility of the glycosylation sites on maturely folded proteins of the 100 most abundant putative N-glycoproteins observed uniquely in the three subcellular glycoproteomes correlated with the glycan type processing thereby mechanistically explaining the formation of subcellular-specific N-glycosylation. In conclusion, human cells have developed mechanisms to simultaneously and reproducibly generate subcellular-specific N-glycosylation using a shared biosynthetic machinery. This aspect of protein-specific glycosylation is important for structural and functional glycobiology and discussed here in the context of the spatio-temporal interaction of glyco-determinants with lectins central to infection and immunity.
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Affiliation(s)
- Ling Yen Lee
- Department of Chemistry and Biomolecular Sciences, Biomolecular Frontiers Research Centre, Macquarie University, Sydney, NSW, Australia
| | - Chi-Hung Lin
- Department of Chemistry and Biomolecular Sciences, Biomolecular Frontiers Research Centre, Macquarie University, Sydney, NSW, Australia
| | - Susan Fanayan
- Department of Chemistry and Biomolecular Sciences, Biomolecular Frontiers Research Centre, Macquarie University, Sydney, NSW, Australia
| | - Nicolle H. Packer
- Department of Chemistry and Biomolecular Sciences, Biomolecular Frontiers Research Centre, Macquarie University, Sydney, NSW, Australia
| | - Morten Thaysen-Andersen
- Department of Chemistry and Biomolecular Sciences, Biomolecular Frontiers Research Centre, Macquarie University, Sydney, NSW, Australia
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27
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Abstract
N-glycans modify the great majority of all secreted and plasma membrane proteins, which themselves constitute one-third to one-half of the proteome. The ultimate definition of the glycoproteome would be the identification of all the N-glycans attached to all the modified asparaginyl sites of all the proteins, but glycosylation heterogeneity makes this an unachievable goal. However, mass spectrometry in combination with other methods does have the power to deeply mine the N-glycome of Dictyostelium, and characterize glycan profiles at individual sites of glycoproteins. Recent studies from our laboratories using mass spectrometry-based methods have confirmed basic precepts of the N-glycome based on prior classical methods using radiotracer methods, and have extended the scope of glycan diversity and the distribution of glycan types across specific glycoprotein attachment sites. The protocols described here simplify studies of the N-glycome and -glycoproteome, which should prove useful for interpreting mutant phenotypes, conducting interstrain and interspecies comparisons, and investigating glycan functions in glycoproteins of interest.
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28
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Ruiz-May E, Kim SJ, Brandizzi F, Rose JKC. The secreted plant N- glycoproteome and associated secretory pathways. Front Plant Sci 2012; 3:117. [PMID: 22685447 PMCID: PMC3368311 DOI: 10.3389/fpls.2012.00117] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/30/2012] [Accepted: 05/15/2012] [Indexed: 05/14/2023]
Abstract
N-Glycosylation is a common form of eukaryotic protein post-translational modification, and one that is particularly prevalent in plant cell wall proteins. Large scale and detailed characterization of N-glycoproteins therefore has considerable potential in better understanding the composition and functions of the cell wall proteome, as well as those proteins that reside in other compartments of the secretory pathway. While there have been numerous studies of mammalian and yeast N-glycoproteins, less is known about the population complexity, biosynthesis, structural variation, and trafficking of their plant counterparts. However, technical developments in the analysis of glycoproteins and the structures the glycans that they bear, as well as valuable comparative analyses with non-plant systems, are providing new insights into features that are common among eukaryotes and those that are specific to plants, some of which may reflect the unique nature of the plant cell wall. In this review we present an overview of the current knowledge of plant N-glycoprotein synthesis and trafficking, with particular reference to those that are cell wall localized.
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Affiliation(s)
- Eliel Ruiz-May
- Department of Plant Biology, Cornell UniversityIthaca, NY, USA
| | - Sang-Jin Kim
- Great Lakes Bioenergy Research Center, Michigan State UniversityEast Lansing, MI, USA
- DOE Plant Research Laboratory, Michigan State UniversityEast Lansing, MI, USA
| | - Federica Brandizzi
- Great Lakes Bioenergy Research Center, Michigan State UniversityEast Lansing, MI, USA
- DOE Plant Research Laboratory, Michigan State UniversityEast Lansing, MI, USA
| | - Jocelyn K. C. Rose
- Department of Plant Biology, Cornell UniversityIthaca, NY, USA
- *Correspondence: Jocelyn K. C. Rose, Department of Plant Biology, Cornell University, 412 Mann Library Building, Ithaca, NY 14853 USA. e-mail:
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