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El Hajjar L, Page A, Bridot C, Cantrelle FX, Landrieu I, Smet-Nocca C. Regulation of Glycogen Synthase Kinase-3β by Phosphorylation and O-β-Linked N-Acetylglucosaminylation: Implications on Tau Protein Phosphorylation. Biochemistry 2024; 63:1513-1533. [PMID: 38788673 DOI: 10.1021/acs.biochem.4c00095] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/26/2024]
Abstract
Glycogen synthase kinase 3 (GSK3) plays a pivotal role in signaling pathways involved in insulin metabolism and the pathogenesis of neurodegenerative disorders. In particular, the GSK3β isoform is implicated in Alzheimer's disease (AD) as one of the key kinases involved in the hyperphosphorylation of tau protein, one of the neuropathological hallmarks of AD. As a constitutively active serine/threonine kinase, GSK3 is inactivated by Akt/PKB-mediated phosphorylation of Ser9 in the N-terminal disordered domain, and for most of its substrates, requires priming (prephosphorylation) by another kinase that targets the substrate to a phosphate-specific pocket near the active site. GSK3 has also been shown to be post-translationally modified by O-linked β-N-acetylglucosaminylation (O-GlcNAcylation), with still unknown functions. Here, we have found that binding of Akt inhibits GSK3β kinase activity on both primed and unprimed tau substrates. Akt-mediated Ser9 phosphorylation restores the GSK3β kinase activity only on primed tau, thereby selectively inactivating GSK3β toward unprimed tau protein. Additionally, we have shown that GSK3β is highly O-GlcNAcylated at multiple sites within the kinase domain and the disordered N- and C-terminal domains, including Ser9. In contrast to Akt-mediated regulation, neither the O-GlcNAc transferase nor O-GlcNAcylation significantly alters GSK3β kinase activity, but high O-GlcNAc levels reduce Ser9 phosphorylation by Akt. Reciprocally, Akt phosphorylation downregulates the overall O-GlcNAcylation of GSK3β, indicating a crosstalk between both post-translational modifications. Our results indicate that specific O-GlcNAc profiles may be involved in the phosphorylation-dependent Akt-mediated regulation of GSK3β kinase activity.
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Affiliation(s)
- Léa El Hajjar
- Inserm, CHU Lille, Institut Pasteur de Lille, U1167 - RID-AGE - Risk Factors and Molecular Determinants of Aging-Related Diseases, University of Lille, Lille F-59000, France
- CNRS EMR9002 Integrative Structural Biology, Lille F-59000, France
| | - Adeline Page
- Protein Science Facility, SFR Biosciences Univ Lyon, ENS de Lyon, CNRS UAR3444, Inserm US8, Université Claude Bernard Lyon 1, 50 Avenue Tony Garnier, Lyon F-69007, France
| | - Clarisse Bridot
- Inserm, CHU Lille, Institut Pasteur de Lille, U1167 - RID-AGE - Risk Factors and Molecular Determinants of Aging-Related Diseases, University of Lille, Lille F-59000, France
- CNRS EMR9002 Integrative Structural Biology, Lille F-59000, France
| | - François-Xavier Cantrelle
- Inserm, CHU Lille, Institut Pasteur de Lille, U1167 - RID-AGE - Risk Factors and Molecular Determinants of Aging-Related Diseases, University of Lille, Lille F-59000, France
- CNRS EMR9002 Integrative Structural Biology, Lille F-59000, France
| | - Isabelle Landrieu
- Inserm, CHU Lille, Institut Pasteur de Lille, U1167 - RID-AGE - Risk Factors and Molecular Determinants of Aging-Related Diseases, University of Lille, Lille F-59000, France
- CNRS EMR9002 Integrative Structural Biology, Lille F-59000, France
| | - Caroline Smet-Nocca
- Inserm, CHU Lille, Institut Pasteur de Lille, U1167 - RID-AGE - Risk Factors and Molecular Determinants of Aging-Related Diseases, University of Lille, Lille F-59000, France
- CNRS EMR9002 Integrative Structural Biology, Lille F-59000, France
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Hu W, Zhang G, Zhou Y, Xia J, Zhang P, Xiao W, Xue M, Lu Z, Yang S. Recent development of analytical methods for disease-specific protein O-GlcNAcylation. RSC Adv 2022; 13:264-280. [PMID: 36605671 PMCID: PMC9768672 DOI: 10.1039/d2ra07184c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2022] [Accepted: 12/13/2022] [Indexed: 12/24/2022] Open
Abstract
The enzymatic modification of protein serine or threonine residues by N-acetylglucosamine, namely O-GlcNAcylation, is a ubiquitous post-translational modification that frequently occurs in the nucleus and cytoplasm. O-GlcNAcylation is dynamically regulated by two enzymes, O-GlcNAc transferase and O-GlcNAcase, and regulates nearly all cellular processes in epigenetics, transcription, translation, cell division, metabolism, signal transduction and stress. Aberrant O-GlcNAcylation has been shown in a variety of diseases, including diabetes, neurodegenerative diseases and cancers. Deciphering O-GlcNAcylation remains a challenge due to its low abundance, low stoichiometry and extreme lability in most tandem mass spectrometry. Separation or enrichment of O-GlcNAc proteins or peptides from complex mixtures has been of great interest because quantitative analysis of protein O-GlcNAcylation can elucidate their functions and regulatory mechanisms in disease. However, valid and specific analytical methods are still lacking, and efforts are needed to further advance this direction. Here, we provide an overview of recent advances in various analytical methods, focusing on chemical oxidation, affinity of antibodies and lectins, hydrophilic interaction, and enzymatic addition of monosaccharides in conjugation with these methods. O-GlcNAcylation quantification has been described in detail using mass-spectrometric or non-mass-spectrometric techniques. We briefly summarized dysregulated changes in O-GlcNAcylation in disease.
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Affiliation(s)
- Wenhua Hu
- Center for Clinical Mass Spectrometry, College of Pharmaceutical Sciences, Soochow UniversitySuzhouJiangsu215123China
| | - Guolin Zhang
- Suzhou Institute for Drug ControlSuzhouJiangsu215104China
| | - Yu Zhou
- Laboratory Medicine Center, Department of Clinical Laboratory, Zhejiang Provincial People's Hospital, Affiliated People's Hospital, Hangzhou Medical CollegeHangzhouZhejiang310014China
| | - Jun Xia
- Laboratory Medicine Center, Department of Clinical Laboratory, Zhejiang Provincial People's Hospital, Affiliated People's Hospital, Hangzhou Medical CollegeHangzhouZhejiang310014China
| | - Peng Zhang
- Department of Orthopedics, The Second Affiliated Hospital of Soochow UniversitySuzhouJiangsu215004China
| | - Wenjin Xiao
- Department of Endocrinology, The Second Affiliated Hospital of Soochow UniversitySuzhouJiangsu215004China
| | - Man Xue
- Suzhou Institute for Drug ControlSuzhouJiangsu215104China
| | - Zhaohui Lu
- Health Examination Center, The Second Affiliated Hospital of Soochow UniversitySuzhouJiangsu215004China
| | - Shuang Yang
- Center for Clinical Mass Spectrometry, College of Pharmaceutical Sciences, Soochow UniversitySuzhouJiangsu215123China
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Liu Y, Hu YJ, Fan WX, Quan X, Xu B, Li SZ. O-GlcNAcylation: The Underestimated Emerging Regulators of Skeletal Muscle Physiology. Cells 2022; 11:1789. [PMID: 35681484 PMCID: PMC9180116 DOI: 10.3390/cells11111789] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2022] [Revised: 05/13/2022] [Accepted: 05/17/2022] [Indexed: 02/04/2023] Open
Abstract
O-GlcNAcylation is a highly dynamic, reversible and atypical glycosylation that regulates the activity, biological function, stability, sublocation and interaction of target proteins. O-GlcNAcylation receives and coordinates different signal inputs as an intracellular integrator similar to the nutrient sensor and stress receptor, which target multiple substrates with spatio-temporal analysis specifically to maintain cellular homeostasis and normal physiological functions. Our review gives a brief description of O-GlcNAcylation and its only two processing enzymes and HBP flux, which will help to better understand its physiological characteristics of sensing nutrition and environmental cues. This nutritional and stress-sensitive properties of O-GlcNAcylation allow it to participate in the precise regulation of skeletal muscle metabolism. This review discusses the mechanism of O-GlcNAcylation to alleviate metabolic disorders and the controversy about the insulin resistance of skeletal muscle. The level of global O-GlcNAcylation is precisely controlled and maintained in the "optimal zone", and its abnormal changes is a potential factor in the pathogenesis of cancer, neurodegeneration, diabetes and diabetic complications. Although the essential role of O-GlcNAcylation in skeletal muscle physiology has been widely studied and recognized, it still is underestimated and overlooked. This review highlights the latest progress and potential mechanisms of O-GlcNAcylation in the regulation of skeletal muscle contraction and structural properties.
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Affiliation(s)
| | | | | | | | - Bin Xu
- National Experimental Teaching Demonstration Center of Animal Medicine Foundation, College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, Daqing 163319, China; (Y.L.); (Y.-J.H.); (W.-X.F.); (X.Q.)
| | - Shi-Ze Li
- National Experimental Teaching Demonstration Center of Animal Medicine Foundation, College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, Daqing 163319, China; (Y.L.); (Y.-J.H.); (W.-X.F.); (X.Q.)
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4
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Song J, Liu C, Wang X, Xu B, Liu X, Li Y, Xia J, Li Y, Zhang C, Li D, Sun H. O-GlcNAcylation Quantification of Certain Protein by the Proximity Ligation Assay and Clostridium perfringen OGA D298N(CpOGA D298N). ACS Chem Biol 2021; 16:1040-1049. [PMID: 34105348 DOI: 10.1021/acschembio.1c00185] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
O-GlcNAcylation is an O-linked β-N-acetyl-glucosamine (O-GlcNAc)-monosaccharide modification of serine or threonine in proteins that plays a vital role in many critical cellular processes. Owing to its low molecular weight, uncharged property, and difficulty in distinguishing from β-N-acetyl-galactosamine (GalNAc), the lack of high specificity and avidity tools and sophisticated quantification methods have always been the bottleneck in analyzing O-GlcNAc functions. Here, we compared glycan array data of the mutant of Clostridium perfringen OGA (CpOGAD298N), O-GlcNAc antibody CTD110.6, and several lectins. We found that CpOGAD298N can effectively distinguish GlcNAc from GalNAc. Glycan array analysis and isothermal titration calorimetry (ITC) show that CpOGAD298N has a GlcNAc specific binding characteristic. CpOGAD298N could be used in far-western, flow cytometry analysis, and confocal imaging to demonstrate the existence of O-GlcNAc proteins. Using the CpOGAD298N affinity column, we identified 84 highly confident O-GlcNAc modified peptides from 82 proteins in the MCF-7 cell line and 33 highly confident peptides in 33 proteins from mouse liver tissue; most of them are novel O-GlcNAc proteins and could not bind with wheat germ agglutinin (WGA). Besides being used as a facile enrichment tool, a combination of CpOGAD298N with the proximity ligation assay (PLA) is successfully used to quantify O-GlcNAc modified histone H2B, which is as low as femtomoles in MCF-7 cell lysate. These results suggest that CpOGAD298N is a specific tool for detection (far-western, flow cytometry analysis, and confocal imaging) and enrichment of O-GlcNAcylated proteins and peptides, and the CpOGAD298N-PLA method is useful for quantifying certain O-GlcNAc protein.
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Affiliation(s)
- Jiaqi Song
- College of Life Sciences, Wuhan University, Wuhan, 430072, Hubei Province, People’s Republic of China
| | - Chenglong Liu
- College of Life Sciences, Wuhan University, Wuhan, 430072, Hubei Province, People’s Republic of China
| | - Xueqing Wang
- College of Life Sciences, Wuhan University, Wuhan, 430072, Hubei Province, People’s Republic of China
| | - Bo Xu
- College of Life Sciences, Wuhan University, Wuhan, 430072, Hubei Province, People’s Republic of China
| | - Xiaomei Liu
- College of Life Sciences, Wuhan University, Wuhan, 430072, Hubei Province, People’s Republic of China
| | - Yang Li
- College of Life Sciences, Wuhan University, Wuhan, 430072, Hubei Province, People’s Republic of China
| | - Jing Xia
- College of Life Sciences, Wuhan University, Wuhan, 430072, Hubei Province, People’s Republic of China
| | - Yan Li
- College of Life Sciences, Wuhan University, Wuhan, 430072, Hubei Province, People’s Republic of China
| | - Can Zhang
- College of Life Sciences, Wuhan University, Wuhan, 430072, Hubei Province, People’s Republic of China
| | - Danni Li
- College of Life Sciences, Wuhan University, Wuhan, 430072, Hubei Province, People’s Republic of China
| | - Hui Sun
- College of Life Sciences, Wuhan University, Wuhan, 430072, Hubei Province, People’s Republic of China
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O-GlcNAc stabilizes SMAD4 by inhibiting GSK-3β-mediated proteasomal degradation. Sci Rep 2020; 10:19908. [PMID: 33199824 PMCID: PMC7670456 DOI: 10.1038/s41598-020-76862-0] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2020] [Accepted: 10/28/2020] [Indexed: 12/29/2022] Open
Abstract
O-linked β-N-acetylglucosamine (O-GlcNAc) is a post-translational modification which occurs on the hydroxyl group of serine or threonine residues of nucleocytoplasmic proteins. It has been reported that the presence of this single sugar motif regulates various biological events by altering the fate of target proteins, such as their function, localization, and degradation. This study identified SMAD4 as a novel O-GlcNAc-modified protein. SMAD4 is a component of the SMAD transcriptional complex, a major regulator of the signaling pathway for the transforming growth factor-β (TGF-β). TGF-β is a powerful promoter of cancer EMT and metastasis. This study showed that the amount of SMAD4 proteins changes according to cellular O-GlcNAc levels in human lung cancer cells. This observation was made based on the prolonged half-life of SMAD4 proteins. The mechanism behind this interaction was that O-GlcNAc impeded interactions between SMAD4 and GSK-3β which promote proteasomal degradation of SMAD4. In addition, O-GlcNAc modification on SMAD4 Thr63 was responsible for stabilization. As a result, defects in O-GlcNAcylation on SMAD4 Thr63 attenuated the reporter activity of luciferase, the TGF-β-responsive SMAD binding element (SBE). This study’s findings imply that cellular O-GlcNAc may regulate the TGF-β/SMAD signaling pathway by stabilizing SMAD4.
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Abstract
O-GlcNAcylation is an abundant and dynamic protein posttranslational modification (PTM), with crucial roles in metazoans. Studies of this modification are hampered by the lack of convenient methods for detecting native O-GlcNAcylation. Here, we describe a novel gel-based approach, Separation of O-GlcNAcylated Proteins by Polyacrylamide Gel Electrophoresis (SOPAGE), which enables detection of O-GlcNAc levels and dynamics.
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Affiliation(s)
- Chuan Fu
- Centre for Gene Regulation & Expression, School of Life Sciences, University of Dundee, Dundee, UK.
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7
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Chatham JC, Zhang J, Wende AR. Role of O-Linked N-Acetylglucosamine Protein Modification in Cellular (Patho)Physiology. Physiol Rev 2020; 101:427-493. [PMID: 32730113 DOI: 10.1152/physrev.00043.2019] [Citation(s) in RCA: 154] [Impact Index Per Article: 38.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
In the mid-1980s, the identification of serine and threonine residues on nuclear and cytoplasmic proteins modified by a N-acetylglucosamine moiety (O-GlcNAc) via an O-linkage overturned the widely held assumption that glycosylation only occurred in the endoplasmic reticulum, Golgi apparatus, and secretory pathways. In contrast to traditional glycosylation, the O-GlcNAc modification does not lead to complex, branched glycan structures and is rapidly cycled on and off proteins by O-GlcNAc transferase (OGT) and O-GlcNAcase (OGA), respectively. Since its discovery, O-GlcNAcylation has been shown to contribute to numerous cellular functions, including signaling, protein localization and stability, transcription, chromatin remodeling, mitochondrial function, and cell survival. Dysregulation in O-GlcNAc cycling has been implicated in the progression of a wide range of diseases, such as diabetes, diabetic complications, cancer, cardiovascular, and neurodegenerative diseases. This review will outline our current understanding of the processes involved in regulating O-GlcNAc turnover, the role of O-GlcNAcylation in regulating cellular physiology, and how dysregulation in O-GlcNAc cycling contributes to pathophysiological processes.
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Affiliation(s)
- John C Chatham
- Division of Molecular and Cellular Pathology, Department of Pathology, University of Alabama at Birmingham, Birmingham, Alabama; and Birmingham Veterans Affairs Medical Center, Birmingham, Alabama
| | - Jianhua Zhang
- Division of Molecular and Cellular Pathology, Department of Pathology, University of Alabama at Birmingham, Birmingham, Alabama; and Birmingham Veterans Affairs Medical Center, Birmingham, Alabama
| | - Adam R Wende
- Division of Molecular and Cellular Pathology, Department of Pathology, University of Alabama at Birmingham, Birmingham, Alabama; and Birmingham Veterans Affairs Medical Center, Birmingham, Alabama
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Gladysz R, Vrijdag J, Van Rompaey D, Lambeir A, Augustyns K, De Winter H, Van der Veken P. Efforts towards an On‐Target Version of the Groebke–Blackburn–Bienaymé (GBB) Reaction for Discovery of Druglike Urokinase (uPA) Inhibitors. Chemistry 2019; 25:12380-12393. [DOI: 10.1002/chem.201901917] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2019] [Revised: 06/18/2019] [Indexed: 12/29/2022]
Affiliation(s)
- Rafaela Gladysz
- Laboratory of Medicinal Chemistry (UAMC)Department of Pharmaceutical SciencesUniversity of Antwerp Universiteitsplein 1 2610 Wilrijk Belgium
| | - Johannes Vrijdag
- Laboratory of Medicinal Chemistry (UAMC)Department of Pharmaceutical SciencesUniversity of Antwerp Universiteitsplein 1 2610 Wilrijk Belgium
- Laboratory of Medical BiochemistryDepartment of, Pharmaceutical SciencesUniversity of Antwerp Universiteitsplein 1 2610 Wilrijk Belgium
| | - Dries Van Rompaey
- Laboratory of Medicinal Chemistry (UAMC)Department of Pharmaceutical SciencesUniversity of Antwerp Universiteitsplein 1 2610 Wilrijk Belgium
| | - Anne‐Marie Lambeir
- Laboratory of Medical BiochemistryDepartment of, Pharmaceutical SciencesUniversity of Antwerp Universiteitsplein 1 2610 Wilrijk Belgium
| | - Koen Augustyns
- Laboratory of Medicinal Chemistry (UAMC)Department of Pharmaceutical SciencesUniversity of Antwerp Universiteitsplein 1 2610 Wilrijk Belgium
| | - Hans De Winter
- Laboratory of Medicinal Chemistry (UAMC)Department of Pharmaceutical SciencesUniversity of Antwerp Universiteitsplein 1 2610 Wilrijk Belgium
| | - Pieter Van der Veken
- Laboratory of Medicinal Chemistry (UAMC)Department of Pharmaceutical SciencesUniversity of Antwerp Universiteitsplein 1 2610 Wilrijk Belgium
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Devi S, Lin YC, Ho YP. Quantitative analysis of genetically modified soya using multiple reaction monitoring mass spectrometry with endogenous peptides as internal standards. EUROPEAN JOURNAL OF MASS SPECTROMETRY (CHICHESTER, ENGLAND) 2019; 25:50-57. [PMID: 30253653 DOI: 10.1177/1469066718802548] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
A simple label-free method was developed for the quantification of the herbicide-resistant gene-related protein 5-enolpyruvylshikimate-3-phosphate synthase using multiple reaction monitoring liquid chromatography-mass spectrometry. Sample pretreatment procedures including ion exchange chromatography and CaCl2 precipitation were used to purify the 5-enolpyruvylshikimate-3-phosphate synthase protein. Quantification of various percentages of genetically modified soya (0.5-100%) was performed by selecting suitable endogenous soybean peptides as internal standards. Results indicated that Gly P (QGDVFVVPR) and Lec P (LQLNK) are useful internal standards for the quantification of low and high percentages of genetically modified soya, respectively. Linear regression analysis of both calibration curves yielded good linearity with R2 of 0.99. This approach is a convenient and accurate quantification method for genetically modified soya at a level as low as 0.5% (less than the current EU threshold for labeling genetically modified soya).
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Affiliation(s)
- Shobha Devi
- Department of Chemistry, National Dong Hwa University, Hualien, Taiwan
- In memory of Professor Robert C. Dunbar who had endless enthusiasm for science
| | - Yi-Cheng Lin
- Department of Chemistry, National Dong Hwa University, Hualien, Taiwan
- In memory of Professor Robert C. Dunbar who had endless enthusiasm for science
| | - Yen-Peng Ho
- Department of Chemistry, National Dong Hwa University, Hualien, Taiwan
- In memory of Professor Robert C. Dunbar who had endless enthusiasm for science
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Masclef L, Dehennaut V, Mortuaire M, Schulz C, Leturcq M, Lefebvre T, Vercoutter-Edouart AS. Cyclin D1 Stability Is Partly Controlled by O-GlcNAcylation. Front Endocrinol (Lausanne) 2019; 10:106. [PMID: 30853938 PMCID: PMC6395391 DOI: 10.3389/fendo.2019.00106] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/05/2018] [Accepted: 02/05/2019] [Indexed: 01/27/2023] Open
Abstract
Cyclin D1 is the regulatory partner of the cyclin-dependent kinases (CDKs) CDK4 or CDK6. Once associated and activated, the cyclin D1/CDK complexes drive the cell cycle entry and G1 phase progression in response to extracellular signals. To ensure their timely and accurate activation during cell cycle progression, cyclin D1 turnover is finely controlled by phosphorylation and ubiquitination. Here we show that the dynamic and reversible O-linked β-N-Acetyl-glucosaminylation (O-GlcNAcylation) regulates also cyclin D1 half-life. High O-GlcNAc levels increase the stability of cyclin D1, while reduction of O-GlcNAcylation strongly decreases it. Moreover, elevation of O-GlcNAc levels through O-GlcNAcase (OGA) inhibition significantly slows down the ubiquitination of cyclin D1. Finally, biochemical and cell imaging experiments in human cancer cells reveal that the O-GlcNAc transferase (OGT) binds to and glycosylates cyclin D1. We conclude that O-GlcNAcylation promotes the stability of cyclin D1 through modulating its ubiquitination.
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Affiliation(s)
- Louis Masclef
- Université de Lille, CNRS, UMR 8576, UGSF, Unité de Glycobiologie Structurale et Fonctionnelle, Lille, France
| | - Vanessa Dehennaut
- Institut Pasteur de Lille, Université de Lille, CNRS, UMR 8161, M3T: Mechanisms of Tumorigenesis and Targeted Therapies, Lille, France
| | - Marlène Mortuaire
- Université de Lille, CNRS, UMR 8576, UGSF, Unité de Glycobiologie Structurale et Fonctionnelle, Lille, France
| | - Céline Schulz
- Université de Lille, CNRS, UMR 8576, UGSF, Unité de Glycobiologie Structurale et Fonctionnelle, Lille, France
| | - Maïté Leturcq
- Université de Lille, CNRS, UMR 8576, UGSF, Unité de Glycobiologie Structurale et Fonctionnelle, Lille, France
| | - Tony Lefebvre
- Université de Lille, CNRS, UMR 8576, UGSF, Unité de Glycobiologie Structurale et Fonctionnelle, Lille, France
| | - Anne-Sophie Vercoutter-Edouart
- Université de Lille, CNRS, UMR 8576, UGSF, Unité de Glycobiologie Structurale et Fonctionnelle, Lille, France
- *Correspondence: Anne-Sophie Vercoutter-Edouart
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Rafie K, Raimi O, Ferenbach AT, Borodkin VS, Kapuria V, van Aalten DMF. Recognition of a glycosylation substrate by the O-GlcNAc transferase TPR repeats. Open Biol 2018; 7:rsob.170078. [PMID: 28659383 PMCID: PMC5493779 DOI: 10.1098/rsob.170078] [Citation(s) in RCA: 40] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2017] [Accepted: 06/02/2017] [Indexed: 12/23/2022] Open
Abstract
O-linked N-acetylglucosamine (O-GlcNAc) is an essential and dynamic post-translational modification found on hundreds of nucleocytoplasmic proteins in metazoa. Although a single enzyme, O-GlcNAc transferase (OGT), generates the entire cytosolic O-GlcNAc proteome, it is not understood how it recognizes its protein substrates, targeting only a fraction of serines/threonines in the metazoan proteome for glycosylation. We describe a trapped complex of human OGT with the C-terminal domain of TAB1, a key innate immunity-signalling O-GlcNAc protein, revealing extensive interactions with the tetratricopeptide repeats of OGT. Confirmed by mutagenesis, this interaction suggests that glycosylation substrate specificity is achieved by recognition of a degenerate sequon in the active site combined with an extended conformation C-terminal of the O-GlcNAc target site.
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Affiliation(s)
- Karim Rafie
- Centre for Gene Regulation and Expression, School of Life Sciences, University of Dundee, Dundee, UK
| | - Olawale Raimi
- Centre for Gene Regulation and Expression, School of Life Sciences, University of Dundee, Dundee, UK
| | - Andrew T Ferenbach
- Centre for Gene Regulation and Expression, School of Life Sciences, University of Dundee, Dundee, UK
| | - Vladimir S Borodkin
- Centre for Gene Regulation and Expression, School of Life Sciences, University of Dundee, Dundee, UK
| | - Vaibhav Kapuria
- Center for Integrative Genomics, University of Lausanne 1015, Switzerland
| | - Daan M F van Aalten
- Centre for Gene Regulation and Expression, School of Life Sciences, University of Dundee, Dundee, UK
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12
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Gao L, Zhao R, Wang Y, Lu M, Yang D, Fa M, Yao X. Surface plasmon resonance biosensor for the accurate and sensitive quantification of O-GlcNAc based on cleavage by β-D-N-acetylglucosaminidase. Anal Chim Acta 2018; 1040:90-98. [PMID: 30327117 DOI: 10.1016/j.aca.2018.07.058] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2018] [Revised: 07/19/2018] [Accepted: 07/24/2018] [Indexed: 02/06/2023]
Abstract
Abnormal O-linked-N-acetylglucosamine (O-GlcNAc) concentrations have been associated with a variety of diseases (e.g., cancer, Alzheimer's disease, cardiovascular disease, etc.). However, O-GlcNAc detection is complicated, time-consuming and has poor specificity, therefore, the accurate detection of O-GlcNAc is difficult. In this study, an accurate and sensitive surface plasmon resonance (SPR) biosensor for O-GlcNAc detection that is based on β-D-N-acetylglucosaminidase (OGA) and Au nanoparticles (AuNPs) was developed. In this strategy, AuNPs were used to amplify the SPR signal and improve the biosensor's sensitivity; OGA was used to cleave O-GlcNAc from O-GlcNAcylated biomolecules. The interaction between AuNPs labeled wheat germ agglutinin (AuNPs/WGA) and O-GlcNAcylated biomolecules on a modified Au film treated with and without OGA was recorded by SPR. The change of the SPR signal moves linearly with the amount of O-GlcNAc on the Au film and thus could be used for the detection of O-GlcNAc. By recording the difference of the SPR signals, this method can avoid disturbances from other sugars and nonspecific adsorption of AuNPs and thus enable the accurate detection of O-GlcNAc. The accurate detection range of O-GlcNAc was 4.65 × 10-12 to 4.65 × 10-7 M which was obtained by quantifying the amount of a standard O-GlcNAcylated peptide (O-GlcNAc-CREB), and the detection limit is 4.65 × 10-13 M. More importantly, the strategy was successfully used to detect O-GlcNAc in a real α-crystallin protein, cancer cell lysates and blood samples with satisfactory results. The study's results imply that this accurate and sensitive method has the potential to be applied in the early clinical diagnosis of O-GlcNAc-related diseases.
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Affiliation(s)
- Li Gao
- School of Chemical Science, University of Chinese Academy of Sciences, Beijing, 100049, PR China; Nanchang Institute of Technology, Nanchang 330044, PR China
| | - Ruihuan Zhao
- School of Chemical Science, University of Chinese Academy of Sciences, Beijing, 100049, PR China
| | - Yiwen Wang
- School of Chemical Science, University of Chinese Academy of Sciences, Beijing, 100049, PR China
| | - Mei Lu
- School of Chemical Science, University of Chinese Academy of Sciences, Beijing, 100049, PR China
| | - Dingding Yang
- School of Chemical Science, University of Chinese Academy of Sciences, Beijing, 100049, PR China
| | - Mengmei Fa
- School of Chemical Science, University of Chinese Academy of Sciences, Beijing, 100049, PR China
| | - Xin Yao
- School of Chemical Science, University of Chinese Academy of Sciences, Beijing, 100049, PR China; State Key Laboratory of Natural and Biomimetic Drugs, Peking University, Beijing, 100191, PR China.
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13
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Ma X, Li H, He Y, Hao J. The emerging link between O-GlcNAcylation and neurological disorders. Cell Mol Life Sci 2017; 74:3667-3686. [PMID: 28534084 PMCID: PMC11107615 DOI: 10.1007/s00018-017-2542-9] [Citation(s) in RCA: 43] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2016] [Revised: 04/23/2017] [Accepted: 05/16/2017] [Indexed: 12/15/2022]
Abstract
O-linked β-N-acetylglucosaminylation (O-GlcNAcylation) is involved in the regulation of many cellular cascades and neurological diseases such as Alzheimer's disease (AD), Parkinson's disease (PD), and stroke. In the brain, the expression of O-GlcNAcylation is notably heightened, as is that of O-linked N-acetylglucosaminyltransferase (OGT) and β-N-acetylglucosaminidase (OGA), the presence of which is prominent in many regions of neurological importance. Most importantly, O-GlcNAcylation is believed to contribute to the normal functioning of neurons; conversely, its dysregulation participates in the pathogenesis of neurological disorders. In neurodegenerative diseases, O-GlcNAcylation of the brain's key proteins, such as tau and amyloid-β, interacts with their phosphorylation, thereby triggering the formation of neurofibrillary tangles and amyloid plaques. An increase of O-GlcNAcylation by pharmacological intervention prevents neuronal loss. Additionally, O-GlcNAcylation is stress sensitive, and its elevation is cytoprotective. Increased O-GlcNAcylation ameliorated brain damage in victims of both trauma-hemorrhage and stroke. In this review, we summarize the current understanding of O-GlcNAcylation's physiological and pathological roles in the nervous system and provide a foundation for development of a therapeutic strategy for neurological disorders.
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Affiliation(s)
- Xiaofeng Ma
- Department of Neurology and Tianjin Neurological Institute, Tianjin Medical University General Hospital, Tianjin, 300052, China
| | - He Li
- Department of Neurology and Tianjin Neurological Institute, Tianjin Medical University General Hospital, Tianjin, 300052, China
| | - Yating He
- Department of Neurology and Tianjin Neurological Institute, Tianjin Medical University General Hospital, Tianjin, 300052, China
| | - Junwei Hao
- Department of Neurology and Tianjin Neurological Institute, Tianjin Medical University General Hospital, Tianjin, 300052, China.
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14
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Gao L, Wang Y, Lu M, Fa M, Yang D, Yao X. Simple method for O-GlcNAc sensitive detection based on graphene quantum dots. RSC Adv 2017. [DOI: 10.1039/c7ra02643a] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023] Open
Abstract
Simple and sensitive method for O-GlcNAc detection in cell lysates based on graphene quantum dots combination; WGA was successfully developed.
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Affiliation(s)
- Li Gao
- School of Chemistry and Chemical Engineering
- University of Chinese Academy of Sciences
- Beijing100049
- PR China
| | - Yiwen Wang
- School of Chemistry and Chemical Engineering
- University of Chinese Academy of Sciences
- Beijing100049
- PR China
| | - Mei Lu
- School of Chemistry and Chemical Engineering
- University of Chinese Academy of Sciences
- Beijing100049
- PR China
| | - Mengmei Fa
- School of Chemistry and Chemical Engineering
- University of Chinese Academy of Sciences
- Beijing100049
- PR China
| | - Dingding Yang
- School of Chemistry and Chemical Engineering
- University of Chinese Academy of Sciences
- Beijing100049
- PR China
| | - Xin Yao
- School of Chemistry and Chemical Engineering
- University of Chinese Academy of Sciences
- Beijing100049
- PR China
- State Key Laboratory of Natural and Biomimetic Drugs
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15
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Li X, Hu H, Zhao S, Liu YM. Microfluidic Platform with In-Chip Electrophoresis Coupled to Mass Spectrometry for Monitoring Neurochemical Release from Nerve Cells. Anal Chem 2016; 88:5338-44. [PMID: 27111409 DOI: 10.1021/acs.analchem.6b00638] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
Chemical stimulus-induced neurotransmitter release from neuronal cells is well-documented. However, the dynamic changes in neurochemical release remain to be fully explored. In this work, a three-layered microfluidic chip was fabricated and evaluated for studying the dynamics of neurotransmitter release from PC-12 cells. The chip features integration of a nanoliter sized chamber for cell perfusion, pneumatic pressure valves for fluidic control, a microfluidic channel for electrophoretic separation, and a nanoelectrospray emitter for ionization in MS detection. Deploying this platform, a microchip electrophoresis-mass spectrometric method (MCE-MS) was developed to simultaneously quantify important neurotransmitters, including dopamine (DA), serotonin (5-HT), aspartic acid (Asp), and glutamic acid (Glu) without need for labeling or enrichment. Monitoring neurotransmitter release from PC-12 cells exposed to KCl (or alcohol) revealed that all four neurotransmitters investigated were released. Two release patterns were observed, one for the two monoamine neurotransmitters (i.e., DA and 5-HT) and another for the two amino acid neurotransmitters. Release dynamics for the two monoamine neurotransmitters was significantly different. The cells released DA most quickly and heavily in response to the stimulation. After exposure to the chemical stimulus for 4 min, the DA level in the perfusate from the cells was 86% lower than that at the beginning. Very interestingly, the cells started to release 5-HT in large quantities when they stopped releasing DA. These results suggest that DA and 5-HT are packaged into different vesicle pools and they are mobilized differently in response to chemical stimuli. The microfluidic platform proposed is proven useful for monitoring cellular release in biological studies.
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Affiliation(s)
- Xiangtang Li
- Department of Chemistry and Biochemistry, Jackson State University , 1400 Lynch Street, Jackson, Mississippi 39217, United States.,Wuhan Yaogu Bio-tech Company, Ltd. , Wuhan 430075, China
| | - Hankun Hu
- Wuhan Yaogu Bio-tech Company, Ltd. , Wuhan 430075, China.,Zhongnan Hospital, Wuhan University , Wuhan 430071, China
| | - Shulin Zhao
- College of Chemistry and Chemical Engineering, Guangxi Normal University , Guilin 51004, China
| | - Yi-Ming Liu
- Department of Chemistry and Biochemistry, Jackson State University , 1400 Lynch Street, Jackson, Mississippi 39217, United States.,Wuhan Yaogu Bio-tech Company, Ltd. , Wuhan 430075, China
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16
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Shi J, Sharif S, Ruijtenbeek R, Pieters RJ. Activity Based High-Throughput Screening for Novel O-GlcNAc Transferase Substrates Using a Dynamic Peptide Microarray. PLoS One 2016; 11:e0151085. [PMID: 26960196 PMCID: PMC4784888 DOI: 10.1371/journal.pone.0151085] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2016] [Accepted: 02/23/2016] [Indexed: 11/22/2022] Open
Abstract
O-GlcNAcylation is a reversible and dynamic protein post-translational modification in mammalian cells. The O-GlcNAc cycle is catalyzed by O-GlcNAc transferase (OGT) and O-GlcNAcase (OGA). O-GlcNAcylation plays important role in many vital cellular events including transcription, cell cycle regulation, stress response and protein degradation, and altered O-GlcNAcylation has long been implicated in cancer, diabetes and neurodegenerative diseases. Recently, numerous approaches have been developed to identify OGT substrates and study their function, but there is still a strong demand for highly efficient techniques. Here we demonstrated the utility of the peptide microarray approach to discover novel OGT substrates and study its specificity. Interestingly, the protein RBL-2, which is a key regulator of entry into cell division and may function as a tumor suppressor, was identified as a substrate for three isoforms of OGT. Using peptide Ala scanning, we found Ser 420 is one possible O-GlcNAc site in RBL-2. Moreover, substitution of Ser 420, on its own, inhibited OGT activity, raising the possibility of mechanism-based development for selective OGT inhibitors. This approach will prove useful for both discovery of novel OGT substrates and studying OGT specificity.
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Affiliation(s)
- Jie Shi
- Department of Medicinal Chemistry and Chemical Biology, Utrecht University, Utrecht, The Netherlands
| | - Suhela Sharif
- Department of Medicinal Chemistry and Chemical Biology, Utrecht University, Utrecht, The Netherlands
| | - Rob Ruijtenbeek
- Department of Medicinal Chemistry and Chemical Biology, Utrecht University, Utrecht, The Netherlands
- PamGene International BV, ‘s-Hertogenbosch, The Netherlands
| | - Roland J. Pieters
- Department of Medicinal Chemistry and Chemical Biology, Utrecht University, Utrecht, The Netherlands
- * E-mail:
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17
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Liu Y, Xie J, Zhang Z, Lu Z. An ultrasensitive colorimetric strategy for protein O-GlcNAcylation detection via copper deposition-enabled nonenzymatic signal amplification. RSC Adv 2016. [DOI: 10.1039/c6ra17119b] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022] Open
Abstract
An ultrasensitive colorimetric method for protein O-GlcNAcylation analysis is developed using AuNP-catalyzed copper deposition as a nonenzymatic signal amplification strategy.
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Affiliation(s)
- Yingshuai Liu
- Institute for Clean Energy & Advanced Materials
- Faculty of Materials & Energy
- Southwest University
- Chongqing 400715
- China
| | - Jin Xie
- Institute for Clean Energy & Advanced Materials
- Faculty of Materials & Energy
- Southwest University
- Chongqing 400715
- China
| | - Zeying Zhang
- Institute for Clean Energy & Advanced Materials
- Faculty of Materials & Energy
- Southwest University
- Chongqing 400715
- China
| | - Zhisong Lu
- Institute for Clean Energy & Advanced Materials
- Faculty of Materials & Energy
- Southwest University
- Chongqing 400715
- China
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18
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Quantitation of protein post-translational modifications using isobaric tandem mass tags. Bioanalysis 2015; 7:383-400. [PMID: 25697195 DOI: 10.4155/bio.14.296] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
Post-translational modifications (PTMs) of proteins are known to modulate many cellular processes and their qualitative and quantitative evaluation is fundamental for understanding the mechanisms of biological events. Over the past decade, improvements in sample preparation techniques and enrichment strategies, the development of quantitative labeling strategies, the launch of a new generation of mass spectrometers and the creation of bioinformatics tools for the interrogation of ever larger datasets has established MS-based quantitative proteomics as a powerful workflow for global proteomics, PTM analysis and the elucidation of key biological mechanisms. With the advantage of their multiplexing capacity and the flexibility of an ever-growing family of different peptide-reactive groups, isobaric tandem mass tags facilitate quantitative proteomics and PTM experiments and enable higher sample throughput. In this review, we focus on the technical concept and utility of the isobaric tandem mass tag labeling approach to PTM analysis, including phosphorylation, glycosylation and S-nitrosylation.
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19
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Pathak S, Alonso J, Schimpl M, Rafie K, Blair DE, Borodkin VS, Albarbarawi O, van Aalten DMF. The active site of O-GlcNAc transferase imposes constraints on substrate sequence. Nat Struct Mol Biol 2015; 22:744-750. [PMID: 26237509 PMCID: PMC4979681 DOI: 10.1038/nsmb.3063] [Citation(s) in RCA: 102] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2015] [Accepted: 07/06/2015] [Indexed: 12/29/2022]
Abstract
O-GlcNAc transferase (OGT) glycosylates a diverse range of intracellular proteins with O-linked N-acetylglucosamine (O-GlcNAc), an essential and dynamic post-translational modification in metazoans. Although this enzyme modifies hundreds of proteins with O-GlcNAc, it is not understood how OGT achieves substrate specificity. In this study, we describe the application of a high-throughput OGT assay to a library of peptides. We mapped sites of O-GlcNAc modification by electron transfer dissociation MS and found that they correlate with previously detected O-GlcNAc sites. Crystal structures of four acceptor peptides in complex with Homo sapiens OGT suggest that a combination of size and conformational restriction defines sequence specificity in the -3 to +2 subsites. This work reveals that although the N-terminal TPR repeats of OGT may have roles in substrate recognition, the sequence restriction imposed by the peptide-binding site makes a substantial contribution to O-GlcNAc site specificity.
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Affiliation(s)
- Shalini Pathak
- MRC Protein Phosphorylation and Ubiquitylation Unit and College of Life Sciences, University of Dundee, Dundee, UK
| | - Jana Alonso
- MRC Protein Phosphorylation and Ubiquitylation Unit and College of Life Sciences, University of Dundee, Dundee, UK
| | - Marianne Schimpl
- MRC Protein Phosphorylation and Ubiquitylation Unit and College of Life Sciences, University of Dundee, Dundee, UK
| | - Karim Rafie
- MRC Protein Phosphorylation and Ubiquitylation Unit and College of Life Sciences, University of Dundee, Dundee, UK
| | - David E. Blair
- MRC Protein Phosphorylation and Ubiquitylation Unit and College of Life Sciences, University of Dundee, Dundee, UK
| | - Vladimir S. Borodkin
- MRC Protein Phosphorylation and Ubiquitylation Unit and College of Life Sciences, University of Dundee, Dundee, UK
| | - Osama Albarbarawi
- MRC Protein Phosphorylation and Ubiquitylation Unit and College of Life Sciences, University of Dundee, Dundee, UK
| | - Daan M. F. van Aalten
- MRC Protein Phosphorylation and Ubiquitylation Unit and College of Life Sciences, University of Dundee, Dundee, UK
- Division of Molecular Microbiology, College of Life Sciences, University of Dundee, Dundee, UK
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20
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Abstract
O-GlcNAcylation is a dynamic protein post-translational modification of serine or threonine residues by an O-linked monosaccharide N-acetylglucosamine (O-GlcNAc). O-GlcNAcylation was discovered three decades ago and its significance has been implicated in several disease states, such as metabolic diseases, cancer and neurological diseases. Yet it remains technically challenging to characterize comprehensively and quantitatively because of its low abundance, low stoichiometry and extremely labile nature under conventional collision-induced dissociation tandem MS conditions. Herein, we review the recent advances addressing these challenges in developing proteomic approaches for site-specific O-GlcNAcylation analysis, including specific enrichment of O-GlcNAc peptides/proteins, unambiguous site-determination of O-GlcNAc modification and quantitative analysis of O-GlcNAcylation.
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21
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Maury JJP, EL Farran CA, Ng D, Loh YH, Bi X, Bardor M, Choo ABH. RING1B O-GlcNAcylation regulates gene targeting of polycomb repressive complex 1 in human embryonic stem cells. Stem Cell Res 2015; 15:182-9. [DOI: 10.1016/j.scr.2015.06.007] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/02/2015] [Revised: 05/25/2015] [Accepted: 06/11/2015] [Indexed: 10/23/2022] Open
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22
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Vercoutter-Edouart AS, El Yazidi-Belkoura I, Guinez C, Baldini S, Leturcq M, Mortuaire M, Mir AM, Steenackers A, Dehennaut V, Pierce A, Lefebvre T. Detection and identification ofO-GlcNAcylated proteins by proteomic approaches. Proteomics 2015; 15:1039-50. [DOI: 10.1002/pmic.201400326] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2014] [Revised: 10/03/2014] [Accepted: 11/24/2014] [Indexed: 02/06/2023]
Affiliation(s)
| | | | - Céline Guinez
- Unit of Structural and Functional Glycobiology; University of Lille 1; Villeneuve d'Ascq France
| | - Steffi Baldini
- Unit of Structural and Functional Glycobiology; University of Lille 1; Villeneuve d'Ascq France
| | - Maïté Leturcq
- Unit of Structural and Functional Glycobiology; University of Lille 1; Villeneuve d'Ascq France
| | - Marlène Mortuaire
- Unit of Structural and Functional Glycobiology; University of Lille 1; Villeneuve d'Ascq France
| | - Anne-Marie Mir
- Unit of Structural and Functional Glycobiology; University of Lille 1; Villeneuve d'Ascq France
| | - Agata Steenackers
- Unit of Structural and Functional Glycobiology; University of Lille 1; Villeneuve d'Ascq France
| | - Vanessa Dehennaut
- Unit of Structural and Functional Glycobiology; University of Lille 1; Villeneuve d'Ascq France
| | - Annick Pierce
- Unit of Structural and Functional Glycobiology; University of Lille 1; Villeneuve d'Ascq France
| | - Tony Lefebvre
- Unit of Structural and Functional Glycobiology; University of Lille 1; Villeneuve d'Ascq France
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23
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Ruhaak LR, Lebrilla CB. Applications of Multiple Reaction Monitoring to Clinical Glycomics. Chromatographia 2014; 78:335-342. [PMID: 25892741 DOI: 10.1007/s10337-014-2783-9] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Multiple reaction monitoring or MRM is widely acknowledged for its accuracy of quantitation. The applications have mostly been in the analysis of small molecules and proteins, but its utility is expanding. Protein glycosylation was recently identified as a new paradigm in biomarker discovery for health and disease. A number of recent studies have now identified differential glycosylation patterns associated with health and disease states, including aging, pregnancy, rheumatoid arthritis and different types of cancer. While the use of MRM in clinical glycomics is still in its infancy, it can likely play a role in the quantitation of protein glycosylation in the clinical setting. Here, we aim to review the current advances in the nascent application of MRM in the field of glycomics.
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Affiliation(s)
- L Renee Ruhaak
- Department of Chemistry, University of California Davis. One Shields Avenue, Davis, CA, USA
| | - Carlito B Lebrilla
- Department of Chemistry, University of California Davis. One Shields Avenue, Davis, CA, USA
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24
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Ramirez-Correa GA, Martinez-Ferrando MI, Zhang P, Murphy AM. Targeted proteomics of myofilament phosphorylation and other protein posttranslational modifications. Proteomics Clin Appl 2014; 8:543-53. [DOI: 10.1002/prca.201400034] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2014] [Revised: 05/29/2014] [Accepted: 06/24/2014] [Indexed: 12/26/2022]
Affiliation(s)
- Genaro A. Ramirez-Correa
- Department of Pediatrics/Division of Cardiology; Johns Hopkins University School of Medicine; Baltimore MD USA
| | | | - Pingbo Zhang
- The Hopkins Bayview Proteomics Center; Johns Hopkins University School of Medicine; Baltimore MD USA
| | - Anne M. Murphy
- Department of Pediatrics/Division of Cardiology; Johns Hopkins University School of Medicine; Baltimore MD USA
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25
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Ma J, Hart GW. O-GlcNAc profiling: from proteins to proteomes. Clin Proteomics 2014; 11:8. [PMID: 24593906 PMCID: PMC4015695 DOI: 10.1186/1559-0275-11-8] [Citation(s) in RCA: 201] [Impact Index Per Article: 20.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2013] [Accepted: 02/01/2014] [Indexed: 11/16/2022] Open
Abstract
O-linked β-D-N-acetylglucosamine (O-GlcNAc) modification (O-GlcNAcylation) onto serine and threonine residues of proteins is an important post-translational modification (PTM), which is involved in many crucial biological processes including transcription, translation, proteasomal degradation, and signal transduction. Aberrant protein O-GlcNAcylation is directly linked to the pathological progression of chronic diseases including diabetes, cancer, and neurodegenerative disorders. Identification, site mapping, and quantification of O-GlcNAc proteins are a prerequisite to decipher their functions. In this review, we mainly focus on technological developments regarding O-GlcNAc protein profiling. Specifically, on one hand, we show how these techniques are being used for the comprehensive characterization of certain targeted proteins in which biologists are most interested. On the other hand, we present several newly developed approaches for O-GlcNAcomic profiling as well as how they provide us with a systems perspective to crosstalk amongst different PTMs and complicated biological events. Promising technical trends are also highlighted to evoke more efforts by diverse laboratories, which would further expand our understanding of the physiological and pathological roles of protein O-GlcNAcylation in chronic diseases.
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Affiliation(s)
| | - Gerald W Hart
- Department of Biological Chemistry, The Johns Hopkins University School of Medicine, 725 North Wolfe Street, Baltimore, MD 21205-2185, USA.
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