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Xu T, Tong L, Zhang Z, Zhou H, Zheng P. Glycosylation in Drosophila S2 cells. Biotechnol Bioeng 2024. [PMID: 39140464 DOI: 10.1002/bit.28827] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2024] [Revised: 07/12/2024] [Accepted: 08/04/2024] [Indexed: 08/15/2024]
Abstract
In recent years, there has been a remarkable surge in the approval of therapeutic protein drugs, particularly recombinant glycoproteins. Drosophila melanogaster S2 cells have become an appealing platform for the production of recombinant proteins due to their simplicity and low cost in cell culture. However, a significant limitation associated with using the S2 cell expression system is its propensity to introduce simple paucimannosidic glycosylation structures, which differs from that in the mammalian expression system. It is well established that the glycosylation patterns of glycoproteins have a profound impact on the physicochemical properties, bioactivity, and immunogenicity. Therefore, understanding the mechanisms behind these glycosylation modifications and implementing measures to address it has become a subject of considerable interest. This review aims to comprehensively summarize recent advancements in glycosylation modification in S2 cells, with a particular focus on comparing the glycosylation patterns among S2, other insect cells, and mammalian cells, as well as developing strategies for altering the glycosylation patterns of recombinant glycoproteins.
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Affiliation(s)
- Tingting Xu
- Department of General Medicine, People's Hospital of Longhua, Shenzhen, China
| | - Lixiang Tong
- Department of General Medicine, People's Hospital of Longhua, Shenzhen, China
| | - Zhifu Zhang
- Department of General Medicine, People's Hospital of Longhua, Shenzhen, China
| | - Hairong Zhou
- Department of General Medicine, People's Hospital of Longhua, Shenzhen, China
| | - Peilin Zheng
- Department of General Medicine, People's Hospital of Longhua, Shenzhen, China
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2
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Jiang Y, Wu J, Guan F, Liang L, Wang Y. O-GlcNAcylation determines the function of the key O-GalNAc glycosyltransferase C1GalT1 in bladder cancer. Acta Biochim Biophys Sin (Shanghai) 2024. [PMID: 39126245 DOI: 10.3724/abbs.2024129] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/12/2024] Open
Abstract
Protein glycosylation is a type of protein post-translational modification. One specific example is the modification of proteins with O-linked β-N-acetylglucosamine (O-GlcNAc) and O-linked α-N-acetylgalactosamine (O-GalNAc). Enhanced levels of both O-GalNAc and O-GlcNAc in bladder cancer (BlCa) have been reported previously. However, the interplay between O-GalNAc and O-GlcNAc has yet to be explored. Herein, we find that the expression level of core1 β-1,3-galactosyltransferase (C1GalT1), which is responsible for extending and maturing mucin-type O-glycans, is increased in BlCa. This increase is accompanied by O-GlcNAc modification of C1GalT1. This modification stabilizes C1GalT1 expression and strengthens its interaction with its chaperone Cosmc. Mutation at Thr229 or Thr233 attenuates C1GalT1 stability and facilitates its degradation via the proteasome pathway. Furthermore, a decrease in C1GalT1 inhibits the pro-tumorigenic effect on bladder cancer cells by suppressing glycolysis.
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Affiliation(s)
- Yazhuo Jiang
- Institute for Cancer Research, School of Basic Medical Science, Xi'an Jiaotong University, Xi'an 710061, China
- Department of Urology, the Third Affiliated Hospital of Xi'an Jiaotong University, Xi'an 710068, China
| | - Jinpeng Wu
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, Provincial Key Laboratory of Biotechnology, College of Life Sciences, Northwest University, Xi'an 710069, China
| | - Feng Guan
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, Provincial Key Laboratory of Biotechnology, College of Life Sciences, Northwest University, Xi'an 710069, China
| | - Liang Liang
- Institute for Cancer Research, School of Basic Medical Science, Xi'an Jiaotong University, Xi'an 710061, China
- Department of Urology, the First Affiliated Hospital of Xi'an Jiaotong University, Xi'an 710061, China
| | - Yili Wang
- Institute for Cancer Research, School of Basic Medical Science, Xi'an Jiaotong University, Xi'an 710061, China
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3
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Ye L, Zhang B, Yang X, Huang Y, Luo J, Zhang X, Tan W, Song C, Ao Z, Shen C, Li X. Metabolomic profiling reveals biomarkers for diverse flesh colors in jelly fungi (Auricularia cornea). Food Chem 2024; 446:138906. [PMID: 38460278 DOI: 10.1016/j.foodchem.2024.138906] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2023] [Revised: 02/07/2024] [Accepted: 02/28/2024] [Indexed: 03/11/2024]
Abstract
Auricularia cornea has garnered attention due to its nutrition, culinary applications, and promising commercial prospects. However, there is little information available regarding the metabolic profiling of various colors strains. In this study, 642 metabolites across 64 classes were identified by LC-MS/MS to understand the metabolic variations between white, pink and dark brown strains. Notably, prenol lipids, carboxylic acids and fatty acyls accounted for 46.8 % of the total. Comparative analysis revealed 17 shared differential metabolites (DMs) among them. ACP vs ACW exhibited 17 unique metabolites, including d-arginine and maleic acid, etc. ACP vs ACB showed 5 unique metabolites, with only PS(18:1(9Z)/0:0) demonstrating up-regulation. ACB vs ACW showed 8 unique metabolites, including 4-hydroxymandelic acid and 5'-methylthioadenosine, etc. KEGG enrichment analysis highlighted pathway variations, and MetPA analysis identified key-pathways influencing DMs accumulation in A. cornea. This pioneering metabolomics study offers insights into A. cornea metabolic profiling, potential applications, and guides further research.
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Affiliation(s)
- Lei Ye
- Sichuan Institute of Edible Fungi, Chengdu 610066, China; Department of Microbiology, College of Resources, Sichuan Agricultural University, Chengdu 611134, China; Sichuan Jindi Fungus Co., Ltd., Chengdu 610066, China
| | - Bo Zhang
- Sichuan Institute of Edible Fungi, Chengdu 610066, China; Sichuan Jindi Fungus Co., Ltd., Chengdu 610066, China
| | - Xuezhen Yang
- Sichuan Institute of Edible Fungi, Chengdu 610066, China; Sichuan Jindi Fungus Co., Ltd., Chengdu 610066, China
| | - Yu Huang
- Sichuan Institute of Edible Fungi, Chengdu 610066, China
| | - Jianhua Luo
- Sichuan Jindi Fungus Co., Ltd., Chengdu 610066, China
| | - Xiaoping Zhang
- Department of Microbiology, College of Resources, Sichuan Agricultural University, Chengdu 611134, China
| | - Wei Tan
- Sichuan Institute of Edible Fungi, Chengdu 610066, China; Sichuan Jindi Fungus Co., Ltd., Chengdu 610066, China.
| | - Chuan Song
- Luzhou Laojiao Co., Ltd, Luzhou 646000, China
| | - Zonghua Ao
- Luzhou Laojiao Co., Ltd, Luzhou 646000, China
| | | | - Xiaolin Li
- Sichuan Institute of Edible Fungi, Chengdu 610066, China; Sichuan Jindi Fungus Co., Ltd., Chengdu 610066, China; Luzhou Laojiao Co., Ltd, Luzhou 646000, China.
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4
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Bellone ML, Syed AA, Vitale RM, Sigismondo G, Mensitieri F, Pollastro F, Amodeo P, Appendino G, De Tommasi N, Krijgsveld J, Dal Piaz F. Eukaryotic Initiation Translation Factor 2A activation by cannabidiolic acid alters the protein homeostasis balance in glioblastoma cells. Int J Biol Macromol 2024; 273:132968. [PMID: 38871097 DOI: 10.1016/j.ijbiomac.2024.132968] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2024] [Revised: 06/01/2024] [Accepted: 06/05/2024] [Indexed: 06/15/2024]
Abstract
Eukaryotic Initiation Translation Factor 2A (EIF2A) is considered to be primarily responsible for the initiation of translation when a cell is subjected to stressful conditions. However, information regarding this protein is still incomplete. Using a combination of proteomic approaches, we demonstrated that EIF2A is the molecular target of the naturally occurring bioactive compound cannabidiolic acid (CBDA) within human glioblastoma cells. This finding allowed us to undertake a study aimed at obtaining further information on the functions that EIF2A plays in tumor cells. Indeed, our data showed that CBDA is able to activate EIF2A when the cells are in no-stress conditions. It induces conformational changes in the protein structure, thus increasing EIF2A affinity towards the proteins participating in the Eukaryotic Translation Machinery. Consequently, following glioblastoma cells incubation with CBDA we observed an enhanced neosynthesis of proteins involved in the stress response, nucleic acid translation and organization, and protein catabolism. These changes in gene expression resulted in increased levels of ubiquitinated proteins and accumulation of the autophagosome. Our results, in addition to shedding light on the molecular mechanism underlying the biological effect of a phytocannabinoid in cancer cells, demonstrated that EIF2A plays a critical role in regulation of protein homeostasis.
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Affiliation(s)
| | - Azmal Ali Syed
- Division of Proteomics of Stem Cells and Cancer, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | | | - Gianluca Sigismondo
- Division of Proteomics of Stem Cells and Cancer, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | | | - Federica Pollastro
- Department of Pharmaceutical Sciences, University of Eastern Piedmont, Vercelli, Italy
| | - Pietro Amodeo
- Institute of Biomolecular Chemistry (ICB-CNR), Pozzuoli, Italy
| | - Giovanni Appendino
- Department of Pharmaceutical Sciences, University of Eastern Piedmont, Vercelli, Italy
| | | | - Jeroen Krijgsveld
- Division of Proteomics of Stem Cells and Cancer, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Fabrizio Dal Piaz
- Department of Medicine and Surgery, University of Salerno, Baronissi, Italy.
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5
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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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Kurfiřt M, Hamala V, Beránek J, Červenková Šťastná L, Červený J, Dračínský M, Bernášková J, Spiwok V, Bosáková Z, Bojarová P, Karban J. Synthesis and unexpected binding of monofluorinated N,N'-diacetylchitobiose and LacdiNAc to wheat germ agglutinin. Bioorg Chem 2024; 147:107395. [PMID: 38705105 DOI: 10.1016/j.bioorg.2024.107395] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2024] [Revised: 04/15/2024] [Accepted: 04/23/2024] [Indexed: 05/07/2024]
Abstract
Fluorination of carbohydrate ligands of lectins is a useful approach to examine their binding profile, improve their metabolic stability and lipophilicity, and convert them into 19F NMR-active probes. However, monofluorination of monovalent carbohydrate ligands often leads to a decreased or completely lost affinity. By chemical glycosylation, we synthesized the full series of methyl β-glycosides of N,N'-diacetylchitobiose (GlcNAcβ(1-4)GlcNAcβ1-OMe) and LacdiNAc (GalNAcβ(1-4)GlcNAcβ1-OMe) systematically monofluorinated at all hydroxyl positions. A competitive enzyme-linked lectin assay revealed that the fluorination at the 6'-position of chitobioside resulted in an unprecedented increase in affinity to wheat germ agglutinin (WGA) by one order of magnitude. For the first time, we have characterized the binding profile of a previously underexplored WGA ligand LacdiNAc. Surprisingly, 4'-fluoro-LacdiNAc bound WGA even stronger than unmodified LacdiNAc. These observations were interpreted using molecular dynamic calculations along with STD and transferred NOESY NMR techniques, which gave evidence for the strengthening of CH/π interactions after deoxyfluorination of the side chain of the non-reducing GlcNAc. These results highlight the potential of fluorinated glycomimetics as high-affinity ligands of lectins and 19F NMR-active probes.
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Affiliation(s)
- Martin Kurfiřt
- Institute of Chemical Process Fundamentals of the Czech Academy of Sciences, Rozvojová 1/135, CZ-165 00 Praha 6, Czech Republic; University of Chemistry and Technology, Technická 5, CZ-166 28 Praha 6, Czech Republic
| | - Vojtěch Hamala
- Institute of Chemical Process Fundamentals of the Czech Academy of Sciences, Rozvojová 1/135, CZ-165 00 Praha 6, Czech Republic; University of Chemistry and Technology, Technická 5, CZ-166 28 Praha 6, Czech Republic
| | - Jan Beránek
- University of Chemistry and Technology, Technická 5, CZ-166 28 Praha 6, Czech Republic
| | - Lucie Červenková Šťastná
- Institute of Chemical Process Fundamentals of the Czech Academy of Sciences, Rozvojová 1/135, CZ-165 00 Praha 6, Czech Republic
| | - Jakub Červený
- Laboratory of Biotransformation, Institute of Microbiology of the Czech Academy of Sciences, Vídeňská 1083, CZ-142 00 Praha 4, Czech Republic; Department of Analytical Chemistry, Faculty of Science, Charles University in Prague, Hlavova 8, CZ-128 43 Praha 2, Czech Republic
| | - Martin Dračínský
- Institute of Organic Chemistry and Biochemistry of the Czech Academy of Sciences, Flemingovo Náměstí 542/2, CZ-160 00 Praha 6, Czech Republic
| | - Jana Bernášková
- Institute of Chemical Process Fundamentals of the Czech Academy of Sciences, Rozvojová 1/135, CZ-165 00 Praha 6, Czech Republic
| | - Vojtěch Spiwok
- University of Chemistry and Technology, Technická 5, CZ-166 28 Praha 6, Czech Republic
| | - Zuzana Bosáková
- Department of Analytical Chemistry, Faculty of Science, Charles University in Prague, Hlavova 8, CZ-128 43 Praha 2, Czech Republic
| | - Pavla Bojarová
- Laboratory of Biotransformation, Institute of Microbiology of the Czech Academy of Sciences, Vídeňská 1083, CZ-142 00 Praha 4, Czech Republic
| | - Jindřich Karban
- Institute of Chemical Process Fundamentals of the Czech Academy of Sciences, Rozvojová 1/135, CZ-165 00 Praha 6, Czech Republic.
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7
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Tian Y, Ma S, Wen L. Towards chemoenzymatic labeling strategies for profiling protein glycosylation. Curr Opin Chem Biol 2024; 80:102460. [PMID: 38678979 DOI: 10.1016/j.cbpa.2024.102460] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2023] [Revised: 03/31/2024] [Accepted: 04/07/2024] [Indexed: 05/01/2024]
Abstract
Protein glycosylation is one of the most common and important post-translational modifications of proteins involved in regulating glycoprotein functions. The chemoenzymatic glycan labeling strategy allows rapid, efficient, and selective interrogation of glycoproteins. Glycoproteomics identifies protein glycosylation events at a large scale, providing information such as peptide sequences, glycan structures, and glycosylated sites. This review discusses the recent development of chemoenzymatic labeling strategies for glycoprotein analysis, mainly including glycoprotein and glycosite profiling. Furthermore, we highlight the chemoenzymatic enrichment approaches in mass spectrometry analysis for three classes of glycan modifications, including N-glycosylation, O-GlcNAcylation, and mucin-type O-glycosylation. Finally, we highlight the emerging trends in new tools and cutting-edge technologies available for glycoproteomic research.
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Affiliation(s)
- Yinping Tian
- State Key Laboratory of Drug Research and State Key Laboratory of Chemical Biology, Carbohydrate-Based Drug Research Center, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, China
| | - Shengzhou Ma
- State Key Laboratory of Drug Research and State Key Laboratory of Chemical Biology, Carbohydrate-Based Drug Research Center, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, China
| | - Liuqing Wen
- State Key Laboratory of Drug Research and State Key Laboratory of Chemical Biology, Carbohydrate-Based Drug Research Center, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, China; University of Chinese Academy of Sciences, Beijing, China.
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8
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Xu T, Yang J, Xu Y, Wang X, Gao X, Sun J, Zhou C, Huang Y. Post-acute ischemic stroke hyperglycemia aggravates destruction of the blood-brain barrier. Neural Regen Res 2024; 19:1344-1350. [PMID: 37905884 DOI: 10.4103/1673-5374.385851] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2023] [Accepted: 08/10/2023] [Indexed: 11/02/2023] Open
Abstract
Abstract
JOURNAL/nrgr/04.03/01300535-202406000-00039/inline-graphic1/v/2023-10-30T152229Z/r/image-tiff
Post-acute ischemic stroke hyperglycemia increases the risk of hemorrhagic transformation, which is associated with blood-brain barrier disruption. Brain microvascular endothelial cells are a major component of the blood-brain barrier. Intercellular mitochondrial transfer has emerged as a novel paradigm for repairing cells with mitochondrial dysfunction. In this study, we first investigated whether mitochondrial transfer exists between brain microvascular endothelial cells, and then investigated the effects of post-acute ischemic stroke hyperglycemia on mitochondrial transfer between brain microvascular endothelial cells. We found that healthy brain microvascular endothelial cells can transfer intact mitochondria to oxygen glucose deprivation-injured brain microvascular endothelial cells. However, post-oxygen glucose deprivation hyperglycemia hindered mitochondrial transfer and exacerbated mitochondrial dysfunction. We established an in vitro brain microvascular endothelial cell model of the blood-brain barrier. We found that post-acute ischemic stroke hyperglycemia reduced the overall energy metabolism levels of brain microvascular endothelial cells and increased permeability of the blood-brain barrier. In a clinical study, we retrospectively analyzed the relationship between post-acute ischemic stroke hyperglycemia and the severity of hemorrhagic transformation. We found that post-acute ischemic stroke hyperglycemia serves as an independent predictor of severe hemorrhagic transformation. These findings suggest that post-acute ischemic stroke hyperglycemia can aggravate disruption of the blood-brain barrier by inhibiting mitochondrial transfer.
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Affiliation(s)
- Tianqi Xu
- Department of Neurology, The First Affiliated Hospital of Ningbo University, Ningbo, Zhejiang Province, China
| | - Jianhong Yang
- Department of Neurology, The First Affiliated Hospital of Ningbo University, Ningbo, Zhejiang Province, China
| | - Yao Xu
- Department of Neurology, The First Affiliated Hospital of Ningbo University, Ningbo, Zhejiang Province, China
| | - Xiaofeng Wang
- Department of General Surgery, The First Affiliated Hospital of Ningbo University, Ningbo, Zhejiang Province, China
| | - Xiang Gao
- Department of Neurosurgery, The First Affiliated Hospital of Ningbo University, Ningbo, Zhejiang Province, China
| | - Jie Sun
- Department of Neurosurgery, The First Affiliated Hospital of Ningbo University, Ningbo, Zhejiang Province, China
| | - Chenhui Zhou
- Department of Neurosurgery, The First Affiliated Hospital of Ningbo University, Ningbo, Zhejiang Province, China
- Key Laboratory of Precision Medicine for Atherosclerotic Diseases of Zhejiang Province, Ningbo, Zhejiang Province, China
| | - Yi Huang
- Department of Neurosurgery, The First Affiliated Hospital of Ningbo University, Ningbo, Zhejiang Province, China
- Key Laboratory of Precision Medicine for Atherosclerotic Diseases of Zhejiang Province, Ningbo, Zhejiang Province, China
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9
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Nelson ZM, Kadiri O, Fehl C. GlycoID Proximity Labeling to Identify O-GlcNAcylated Protein Interactomes in Live Cells. Curr Protoc 2024; 4:e1052. [PMID: 38752278 PMCID: PMC11101149 DOI: 10.1002/cpz1.1052] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/19/2024]
Abstract
Cells continuously remodel their intracellular proteins with the monosaccharide O-linked N-acetylglucosamine (O-GlcNAc) to regulate metabolism, signaling, and stress. This protocol describes the use of GlycoID tools to capture O-GlcNAc dynamics in live cells. GlycoID constructs contain an O-GlcNAc binding domain linked to a proximity labeling domain and a subcellular localization sequence. When expressed in mammalian cells, GlycoID tracks changes in O-GlcNAc-modified proteins and their interactomes in response to chemical induction with biotin over time. Pairing the subcellular localization of GlycoID with the chemical induction of activity enables spatiotemporal studies of O-GlcNAc biology during cellular events such as insulin signaling. However, optimizing intracellular labeling experiments requires attention to several variables. Here, we describe two protocols to adapt GlycoID methods to a cell line and biological process of interest. Next, we describe how to conduct a semiquantitative proteomic analysis of O-GlcNAcylated proteins and their interactomes using insulin versus glucagon signaling as a sample application. This articles aims to establish baseline GlycoID protocols for new users and set the stage for widespread use over diverse cellular applications for the functional study of O-GlcNAc glycobiology. © 2024 Wiley Periodicals LLC. Basic Protocol 1: Expression of targeted GlycoID constructs to verify subcellular location and labeling activity in mammalian cells Basic Protocol 2: GlycoID labeling in live HeLa cells for O-GlcNAc proteomic comparisons.
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Affiliation(s)
- Zachary M. Nelson
- Department of Chemistry, Wayne State University, 5101 Cass Avenue, Detroit, MI, United States
| | - Oseni Kadiri
- Department of Chemistry, Wayne State University, 5101 Cass Avenue, Detroit, MI, United States
| | - Charlie Fehl
- Department of Chemistry, Wayne State University, 5101 Cass Avenue, Detroit, MI, United States
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10
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Chen L, Hu M, Chen L, Peng Y, Zhang C, Wang X, Li X, Yao Y, Song Q, Li J, Pei H. Targeting O-GlcNAcylation in cancer therapeutic resistance: The sugar Saga continues. Cancer Lett 2024; 588:216742. [PMID: 38401884 DOI: 10.1016/j.canlet.2024.216742] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2023] [Revised: 02/03/2024] [Accepted: 02/19/2024] [Indexed: 02/26/2024]
Abstract
O-linked-N-acetylglucosaminylation (O-GlcNAcylation), a dynamic post-translational modification (PTM), holds profound implications in controlling various cellular processes such as cell signaling, metabolism, and epigenetic regulation that influence cancer progression and therapeutic resistance. From the therapeutic perspective, O-GlcNAc modulates drug efflux, targeting and metabolism. By integrating signals from glucose, lipid, amino acid, and nucleotide metabolic pathways, O-GlcNAc acts as a nutrient sensor and transmits signals to exerts its function on genome stability, epithelial-mesenchymal transition (EMT), cell stemness, cell apoptosis, autophagy, cell cycle. O-GlcNAc also attends to tumor microenvironment (TME) and the immune response. At present, several strategies aiming at targeting O-GlcNAcylation are under mostly preclinical evaluation, where the newly developed O-GlcNAcylation inhibitors markedly enhance therapeutic efficacy. Here we systematically outline the mechanisms through which O-GlcNAcylation influences therapy resistance and deliberate on the prospects and challenges associated with targeting O-GlcNAcylation in future cancer treatments.
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Affiliation(s)
- Lulu Chen
- Cancer Center, Renmin Hospital of Wuhan University, Wuhan, 430060, China; Department of Oncology, Georgetown Lombardi Comprehensive Cancer Center, Georgetown University Medical Center, Washington, DC, 20057, USA.
| | - Mengxue Hu
- Cancer Center, Renmin Hospital of Wuhan University, Wuhan, 430060, China
| | - Luojun Chen
- Cancer Center, Renmin Hospital of Wuhan University, Wuhan, 430060, China
| | - Yihan Peng
- Department of Oncology, Georgetown Lombardi Comprehensive Cancer Center, Georgetown University Medical Center, Washington, DC, 20057, USA
| | - Cai Zhang
- Cancer Center, Renmin Hospital of Wuhan University, Wuhan, 430060, China
| | - Xin Wang
- Cancer Center, Renmin Hospital of Wuhan University, Wuhan, 430060, China
| | - Xiangpan Li
- Cancer Center, Renmin Hospital of Wuhan University, Wuhan, 430060, China
| | - Yi Yao
- Cancer Center, Renmin Hospital of Wuhan University, Wuhan, 430060, China
| | - Qibin Song
- Cancer Center, Renmin Hospital of Wuhan University, Wuhan, 430060, China
| | - Jing Li
- Beijing Key Laboratory of DNA Damage Response and College of Life Sciences, Capital Normal University, Beijing, 100048, China.
| | - Huadong Pei
- Department of Oncology, Georgetown Lombardi Comprehensive Cancer Center, Georgetown University Medical Center, Washington, DC, 20057, USA.
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11
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Yu H, Liu D, Zhang Y, Tang R, Fan X, Mao S, Lv L, Chen F, Qin H, Zhang Z, van Aalten DMF, Yang B, Yuan K. Tissue-specific O-GlcNAcylation profiling identifies substrates in translational machinery in Drosophila mushroom body contributing to olfactory learning. eLife 2024; 13:e91269. [PMID: 38619103 PMCID: PMC11018347 DOI: 10.7554/elife.91269] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2023] [Accepted: 03/14/2024] [Indexed: 04/16/2024] Open
Abstract
O-GlcNAcylation is a dynamic post-translational modification that diversifies the proteome. Its dysregulation is associated with neurological disorders that impair cognitive function, and yet identification of phenotype-relevant candidate substrates in a brain-region specific manner remains unfeasible. By combining an O-GlcNAc binding activity derived from Clostridium perfringens OGA (CpOGA) with TurboID proximity labeling in Drosophila, we developed an O-GlcNAcylation profiling tool that translates O-GlcNAc modification into biotin conjugation for tissue-specific candidate substrates enrichment. We mapped the O-GlcNAc interactome in major brain regions of Drosophila and found that components of the translational machinery, particularly ribosomal subunits, were abundantly O-GlcNAcylated in the mushroom body of Drosophila brain. Hypo-O-GlcNAcylation induced by ectopic expression of active CpOGA in the mushroom body decreased local translational activity, leading to olfactory learning deficits that could be rescued by dMyc overexpression-induced increase of protein synthesis. Our study provides a useful tool for future dissection of tissue-specific functions of O-GlcNAcylation in Drosophila, and suggests a possibility that O-GlcNAcylation impacts cognitive function via regulating regional translational activity in the brain.
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Affiliation(s)
- Haibin Yu
- Hunan Key Laboratory of Molecular Precision Medicine, Department of Oncology, Xiangya Hospital & Center for Medical Genetics, School of Life Sciences, Central South UniversityChangshaChina
| | - Dandan Liu
- Life Sciences Institute, Zhejiang University, HangzhouZhejiangChina
| | - Yaowen Zhang
- Hunan Key Laboratory of Molecular Precision Medicine, Department of Oncology, Xiangya Hospital & Center for Medical Genetics, School of Life Sciences, Central South UniversityChangshaChina
| | - Ruijun Tang
- Hunan Key Laboratory of Molecular Precision Medicine, Department of Oncology, Xiangya Hospital & Center for Medical Genetics, School of Life Sciences, Central South UniversityChangshaChina
| | - Xunan Fan
- Hunan Key Laboratory of Molecular Precision Medicine, Department of Oncology, Xiangya Hospital & Center for Medical Genetics, School of Life Sciences, Central South UniversityChangshaChina
| | - Song Mao
- Hunan Key Laboratory of Molecular Precision Medicine, Department of Oncology, Xiangya Hospital & Center for Medical Genetics, School of Life Sciences, Central South UniversityChangshaChina
| | - Lu Lv
- Hunan Key Laboratory of Molecular Precision Medicine, Department of Oncology, Xiangya Hospital & Center for Medical Genetics, School of Life Sciences, Central South UniversityChangshaChina
| | - Fang Chen
- Hunan Key Laboratory of Molecular Precision Medicine, Department of Oncology, Xiangya Hospital & Center for Medical Genetics, School of Life Sciences, Central South UniversityChangshaChina
| | - Hongtao Qin
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Biology, Hunan UniversityChangshaChina
| | - Zhuohua Zhang
- Hunan Key Laboratory of Molecular Precision Medicine, Department of Oncology, Xiangya Hospital & Center for Medical Genetics, School of Life Sciences, Central South UniversityChangshaChina
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South UniversityChangshaChina
| | - Daan MF van Aalten
- Department of Molecular Biology and Genetics, University of AarhusAarhusDenmark
| | - Bing Yang
- Life Sciences Institute, Zhejiang University, HangzhouZhejiangChina
| | - Kai Yuan
- Hunan Key Laboratory of Molecular Precision Medicine, Department of Oncology, Xiangya Hospital & Center for Medical Genetics, School of Life Sciences, Central South UniversityChangshaChina
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South UniversityChangshaChina
- The Biobank of Xiangya Hospital, Central South UniversityChangshaChina
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12
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Ma B, Khan KS, Xu T, Xeque Amada J, Guo Z, Huang Y, Yan Y, Lam H, Cheng ASL, Ng BWL. Targeted Protein O-GlcNAcylation Using Bifunctional Small Molecules. J Am Chem Soc 2024; 146:9779-9789. [PMID: 38561350 PMCID: PMC11009946 DOI: 10.1021/jacs.3c14380] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2023] [Revised: 03/13/2024] [Accepted: 03/13/2024] [Indexed: 04/04/2024]
Abstract
Protein O-linked β-N-acetylglucosamine modification (O-GlcNAcylation) plays a crucial role in regulating essential cellular processes. The disruption of the homeostasis of O-GlcNAcylation has been linked to various human diseases, including cancer, diabetes, and neurodegeneration. However, there are limited chemical tools for protein- and site-specific O-GlcNAc modification, rendering the precise study of the O-GlcNAcylation challenging. To address this, we have developed heterobifunctional small molecules, named O-GlcNAcylation TArgeting Chimeras (OGTACs), which enable protein-specific O-GlcNAcylation in living cells. OGTACs promote O-GlcNAcylation of proteins such as BRD4, CK2α, and EZH2 in cellulo by recruiting FKBP12F36V-fused O-GlcNAc transferase (OGT), with temporal, magnitude, and reversible control. Overall, the OGTACs represent a promising approach for inducing protein-specific O-GlcNAcylation, thus enabling functional dissection and offering new directions for O-GlcNAc-targeting therapeutic development.
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Affiliation(s)
- Bowen Ma
- School
of Pharmacy, Faculty of Medicine, The Chinese
University of Hong Kong, Sha Tin, Hong Kong
| | - Khadija Shahed Khan
- School
of Pharmacy, Faculty of Medicine, The Chinese
University of Hong Kong, Sha Tin, Hong Kong
- School
of Biomedical Sciences, Faculty of Medicine, The Chinese University of Hong Kong, Sha Tin, Hong Kong
| | - Tongyang Xu
- School
of Pharmacy, Faculty of Medicine, The Chinese
University of Hong Kong, Sha Tin, Hong Kong
| | - Josefina Xeque Amada
- School
of Pharmacy, Faculty of Medicine, The Chinese
University of Hong Kong, Sha Tin, Hong Kong
| | - Zhihao Guo
- School
of Pharmacy, Faculty of Medicine, The Chinese
University of Hong Kong, Sha Tin, Hong Kong
| | - Yunpeng Huang
- School
of Pharmacy, Faculty of Medicine, The Chinese
University of Hong Kong, Sha Tin, Hong Kong
| | - Yu Yan
- School
of Pharmacy, Faculty of Medicine, The Chinese
University of Hong Kong, Sha Tin, Hong Kong
| | - Henry Lam
- Department
of Chemical and Biological Engineering, The Hong Kong University of Science and Technology, Sai Kung, Hong Kong
| | - Alfred Sze-Lok Cheng
- School
of Biomedical Sciences, Faculty of Medicine, The Chinese University of Hong Kong, Sha Tin, Hong Kong
| | - Billy Wai-Lung Ng
- School
of Pharmacy, Faculty of Medicine, The Chinese
University of Hong Kong, Sha Tin, Hong Kong
- Li Ka
Shing Institute of Health Sciences, Faculty of Medicine, The Chinese University of Hong Kong, Sha Tin, Hong
Kong
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13
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Zhu Z, Li S, Yin X, Sun K, Song J, Ren W, Gao L, Zhi K. Review: Protein O-GlcNAcylation regulates DNA damage response: A novel target for cancer therapy. Int J Biol Macromol 2024; 264:130351. [PMID: 38403231 DOI: 10.1016/j.ijbiomac.2024.130351] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2024] [Revised: 02/02/2024] [Accepted: 02/19/2024] [Indexed: 02/27/2024]
Abstract
The DNA damage response (DDR) safeguards the stable genetic information inheritance by orchestrating a complex protein network in response to DNA damage. However, this mechanism can often hamper the effectiveness of radiotherapy and DNA-damaging chemotherapy in destroying tumor cells, causing cancer resistance. Inhibiting DDR can significantly improve tumor cell sensitivity to radiotherapy and DNA-damaging chemotherapy. Thus, DDR can be a potential target for cancer treatment. Post-translational modifications (PTMs) of DDR-associated proteins profoundly affect their activity and function by covalently attaching new functional groups. O-GlcNAcylation (O-linked-N-acetylglucosaminylation) is an emerging PTM associated with adding and removing O-linked N-acetylglucosamine to serine and threonine residues of proteins. It acts as a dual sensor for nutrients and stress in the cell and is sensitive to DNA damage. However, the explanation behind the specific role of O-GlcNAcylation in the DDR remains remains to be elucidated. To illustrate the complex relationship between O-GlcNAcylation and DDR, this review systematically describes the role of O-GlcNAcylation in DNA repair, cell cycle, and chromatin. We also discuss the defects of current strategies for targeting O-GlcNAcylation-regulated DDR in cancer therapy and suggest potential directions to address them.
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Affiliation(s)
- Zhuang Zhu
- Department of Oral and Maxillofacial Reconstruction, the Affiliated Hospital of Qingdao University, Qingdao 266555, China; School of Stomatology, Qingdao University, Qingdao 266003, China; Department of Oral and Maxillofacial Surgery, the Affiliated Hospital of Qingdao University, Qingdao 266555, China
| | - Shaoming Li
- Department of Oral and Maxillofacial Reconstruction, the Affiliated Hospital of Qingdao University, Qingdao 266555, China; School of Stomatology, Qingdao University, Qingdao 266003, China; Department of Oral and Maxillofacial Surgery, the Affiliated Hospital of Qingdao University, Qingdao 266555, China
| | - Xiaopeng Yin
- Department of Oral and Maxillofacial Surgery, Central Laboratory of Jinan Stamotological Hospital, Jinan Key Laboratory of Oral Tissue Regeneration, Jinan 250001, Shandong Province, China
| | - Kai Sun
- Department of Oral and Maxillofacial Reconstruction, the Affiliated Hospital of Qingdao University, Qingdao 266555, China; School of Stomatology, Qingdao University, Qingdao 266003, China; Department of Oral and Maxillofacial Surgery, the Affiliated Hospital of Qingdao University, Qingdao 266555, China
| | - Jianzhong Song
- Department of Oral and Maxilloafacial Surgery, People's Hospital of Rizhao, Rizhao, Shandong, China
| | - Wenhao Ren
- Department of Oral and Maxillofacial Reconstruction, the Affiliated Hospital of Qingdao University, Qingdao 266555, China; Department of Oral and Maxillofacial Surgery, the Affiliated Hospital of Qingdao University, Qingdao 266555, China.
| | - Ling Gao
- Department of Oral and Maxillofacial Reconstruction, the Affiliated Hospital of Qingdao University, Qingdao 266555, China; School of Stomatology, Qingdao University, Qingdao 266003, China; Key Lab of Oral Clinical Medicine, the Affiliated Hospital of Qingdao University, Qingdao 266003, China; Department of Oral and Maxillofacial Surgery, the Affiliated Hospital of Qingdao University, Qingdao 266555, China.
| | - Keqian Zhi
- Department of Oral and Maxillofacial Reconstruction, the Affiliated Hospital of Qingdao University, Qingdao 266555, China; School of Stomatology, Qingdao University, Qingdao 266003, China; Key Lab of Oral Clinical Medicine, the Affiliated Hospital of Qingdao University, Qingdao 266003, China; Department of Oral and Maxillofacial Surgery, the Affiliated Hospital of Qingdao University, Qingdao 266555, China.
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14
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De León González FV, Boddington ME, Kofsky JM, Prindl MI, Capicciotti CJ. Glyco-Engineering Cell Surfaces by Exo-Enzymatic Installation of GlcNAz and LacNAz Motifs. ACS Chem Biol 2024; 19:629-640. [PMID: 38394345 DOI: 10.1021/acschembio.3c00542] [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: 02/25/2024]
Abstract
Exo-enzymatic glyco-engineering of cell-surface glycoconjugates enables the selective display of well-defined glyco-motifs bearing bioorthogonal functional groups, which can be used to study glycans and their interactions with glycan-binding proteins. In recent years, strategies to edit cellular glycans by installing monosaccharides and their derivatives using glycosyltransferase enzymes have rapidly expanded. However, analogous methods to introduce chemical reporter-functionalized type 2 LacNAc motifs have not been reported. Herein, we report the chemo-enzymatic synthesis of unnatural UDP-GlcNAc and UDP-GalNAc nucleotide-sugars bearing azide, alkyne, and diazirine functionalities on the C2-acetamido group using the mutant uridylyltransferase AGX1F383A. The unnatural UDP-GlcNAc derivatives were examined as substrates for the human GlcNAc-transferase B3GNT2, where it was found that modified donors were tolerated for transfer, albeit to a lesser extent than the natural UDP-GlcNAc substrate. When the GlcNAc derivatives were examined as acceptor substrates for the human Gal-transferase B4GalT1, all derivatives were well tolerated and the enzyme could successfully form derivatized LacNAcs. B3GNT2 was also used to exo-enzymatically install GlcNAc and unnatural GlcNAc derivatives on cell-surface glycans. GlcNAc- or GlcNAz-engineered cells were further extended by B4GalT1 and UDP-Gal, producing LacNAc- or LacNAz-engineered cells. Our proof-of-concept glyco-engineering labeling strategy is amenable to different cell types and our work expands the exo-enzymatic glycan editing toolbox to selectively introduce unnatural type 2 LacNAc motifs.
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Affiliation(s)
| | - Marie E Boddington
- Department of Biomedical and Molecular Sciences, Queen's University, Kingston K7L 3N6, Canada
| | - Joshua M Kofsky
- Department of Chemistry, Queen's University, Kingston K7L 2S8, Canada
| | - Martha I Prindl
- Department of Chemistry, Queen's University, Kingston K7L 2S8, Canada
| | - Chantelle J Capicciotti
- Department of Chemistry, Queen's University, Kingston K7L 2S8, Canada
- Department of Biomedical and Molecular Sciences, Queen's University, Kingston K7L 3N6, Canada
- Department of Surgery, Queen's University, Kingston K7L 2V7, Canada
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15
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Yu B, Li Q, Sun X, Yin Y. O-GlcNAcylation of TLR4 inhibits osteogenic differentiation of periodontal ligament stem cells. J Periodontal Res 2024; 59:119-127. [PMID: 37817319 DOI: 10.1111/jre.13193] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2023] [Revised: 08/28/2023] [Accepted: 09/21/2023] [Indexed: 10/12/2023]
Abstract
BACKGROUND Toll-like receptor 4 (TLR4)-mediated inflammatory responses are associated with diabetes and periodontitis, which are dysregulated by O-GlcNAcylation. OBJECTIVE This study aimed to investigate the effects of O-GlcNAc transferase (OGT)-mediated TLR4 O-GlcNAcylation on the osteogenesis of periodontal ligament stem cells (PDLCs). METHODS PDLCs were treated with high glucose (HG) to establish a cell model. Osteogenic differentiation was evaluated using western blotting, an alkaline phosphatase activity assay, and an alizarin red S staining assay. The regulation of OGT on the O-GlcNAcylation of TLR4 was analyzed using co-immunoprecipitation, immunoprecipitation, western blotting, and immunofluorescence staining. RESULTS The results showed that HG inhibited osteogenic differentiation and promoted inflammatory response. Knockdown of OGT promoted osteogenic differentiation of HG-treated PDLCs. OGT interacted with TLR4 and increased the O-GlcNAcylation and protein levels of TLR4 in the cytomembrane of PDLCs. Moreover, silenced TLR4 reversed the effects on osteogenic differentiation induced by OGT in HG-treated PDLCs. CONCLUSION O-GlcNAcylation of TLR4 induced by OGT suppresses osteogenic differentiation of PDLCs after HG stimulation. The findings suggest a promising strategy for treating DP.
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Affiliation(s)
- Bohan Yu
- Department of Periodontics, School and Hospital of Stomatology, Shanghai Engineering Research Center of Tooth Restoration and Regeneration, Tongji University, ShangHai, China
| | - Qin Li
- Department of Periodontics, School and Hospital of Stomatology, Shanghai Engineering Research Center of Tooth Restoration and Regeneration, Tongji University, ShangHai, China
| | - Xi Sun
- Department of Periodontics, School and Hospital of Stomatology, Shanghai Engineering Research Center of Tooth Restoration and Regeneration, Tongji University, ShangHai, China
| | - Yue Yin
- Department of Periodontics, School and Hospital of Stomatology, Shanghai Engineering Research Center of Tooth Restoration and Regeneration, Tongji University, ShangHai, China
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16
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Xiong WJ, Lai XL, Lu J, Li LS, Zhang JX, Duan X. O-GlcNAcylation orchestrates porcine oocyte maturation through maintaining mitochondrial dynamics and function. Mol Hum Reprod 2024; 30:gaae003. [PMID: 38265252 DOI: 10.1093/molehr/gaae003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2023] [Revised: 12/24/2023] [Indexed: 01/25/2024] Open
Abstract
O-linked β-N-acetylglucosamine (O-GlcNAc) modification exists widely in cells, playing a crucial role in the regulation of important biological processes such as transcription, translation, metabolism, and the cell cycle. O-GlcNAc modification is an inducible reversible dynamic protein post-translational modification, which regulates complex cellular activities through transient glycosylation and deglycosylation. O-GlcNAc glycosylation is specifically regulated by O-GlcNAc glycosyltransferase (O-GlcNAc transferase, OGT) and O-GlcNAc glycoside hydrolase (O-GlcNAcase). However, the mechanisms underlying the effects of O-GlcNAc modification on the female reproductive system, especially oocyte quality, remain unclear. Here, we found that after OGT was inhibited, porcine oocytes failed to extrude the first polar body and exhibited abnormal actin and microtubule assembly. Meanwhile, the mitochondrial dynamics and function were also disrupted after inhibition of OGT function, resulting in the occurrence of oxidative stress and autophagy. Collectively, these results inform our understanding of the importance of the glycosylation process for oocyte maturation, especially for the maturation quality of porcine oocytes, and the alteration of O-GlcNAc in oocytes to regulate cellular events deserves further investigation.
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Affiliation(s)
- Wen-Jie Xiong
- Key Laboratory of Applied Technology on Green-Eco-Healthy Animal Husbandry of Zhejiang Province, College of Animal Science and Technology & College of Veterinary Medicine, Zhejiang A&F University, Hangzhou, China
| | - Xin-Le Lai
- Key Laboratory of Applied Technology on Green-Eco-Healthy Animal Husbandry of Zhejiang Province, College of Animal Science and Technology & College of Veterinary Medicine, Zhejiang A&F University, Hangzhou, China
| | - Jie Lu
- Department of Cardiovascular Surgery, Changhai Hospital, Second Military Medical University, Shanghai, China
| | - Li-Shu Li
- Key Laboratory of Applied Technology on Green-Eco-Healthy Animal Husbandry of Zhejiang Province, College of Animal Science and Technology & College of Veterinary Medicine, Zhejiang A&F University, Hangzhou, China
| | - Jin-Xin Zhang
- Key Laboratory of Applied Technology on Green-Eco-Healthy Animal Husbandry of Zhejiang Province, College of Animal Science and Technology & College of Veterinary Medicine, Zhejiang A&F University, Hangzhou, China
| | - Xing Duan
- Key Laboratory of Applied Technology on Green-Eco-Healthy Animal Husbandry of Zhejiang Province, College of Animal Science and Technology & College of Veterinary Medicine, Zhejiang A&F University, Hangzhou, China
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17
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Hu YJ, Zhang X, Lv HM, Liu Y, Li SZ. Protein O-GlcNAcylation: The sweet hub in liver metabolic flexibility from a (patho)physiological perspective. Liver Int 2024; 44:293-315. [PMID: 38110988 DOI: 10.1111/liv.15812] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/07/2023] [Revised: 11/18/2023] [Accepted: 11/22/2023] [Indexed: 12/20/2023]
Abstract
O-GlcNAcylation is a dynamic, reversible and atypical O-glycosylation that regulates various cellular physiological processes via conformation, stabilisation, localisation, chaperone interaction or activity of target proteins. The O-GlcNAcylation cycle is precisely controlled by collaboration between O-GlcNAc transferase and O-GlcNAcase. Uridine-diphosphate-N-acetylglucosamine, the sole donor of O-GlcNAcylation produced by the hexosamine biosynthesis pathway, is controlled by the input of glucose, glutamine, acetyl coenzyme A and uridine triphosphate, making it a sensor of the fluctuation of molecules, making O-GlcNAcylation a pivotal nutrient sensor for the metabolism of carbohydrates, amino acids, lipids and nucleotides. O-GlcNAcylation, particularly prevalent in liver, is the core hub for controlling systemic glucose homeostasis due to its nutritional sensitivity and precise spatiotemporal regulation of insulin signal transduction. The pathology of various liver diseases has highlighted hepatic metabolic disorder and dysfunction, and abnormal O-GlcNAcylation also plays a specific pathological role in these processes. Therefore, this review describes the unique features of O-GlcNAcylation and its dynamic homeostasis maintenance. Additionally, it explains the underlying nutritional sensitivity of O-GlcNAcylation and discusses its mechanism of spatiotemporal modulation of insulin signal transduction and liver metabolic homeostasis during the fasting and feeding cycle. This review emphasises the pathophysiological implications of O-GlcNAcylation in nonalcoholic fatty liver disease, nonalcoholic steatohepatitis and hepatic fibrosis, and focuses on the adverse effects of hyper O-GlcNAcylation on liver cancer progression and metabolic reprogramming.
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Affiliation(s)
- Ya-Jie Hu
- Key Laboratory of Bovine Disease Control in Northeast China of Ministry of Agriculture and Rural affairs of the People's Republic of China, College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, Daqing, China
| | - Xu Zhang
- Key Laboratory of Bovine Disease Control in Northeast China of Ministry of Agriculture and Rural affairs of the People's Republic of China, College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, Daqing, China
| | - Hong-Ming Lv
- Key Laboratory of Bovine Disease Control in Northeast China of Ministry of Agriculture and Rural affairs of the People's Republic of China, College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, Daqing, China
| | - Yang Liu
- Key Laboratory of Bovine Disease Control in Northeast China of Ministry of Agriculture and Rural affairs of the People's Republic of China, College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, Daqing, China
| | - Shi-Ze Li
- Key Laboratory of Bovine Disease Control in Northeast China of Ministry of Agriculture and Rural affairs of the People's Republic of China, College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, Daqing, China
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18
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Lin B, Chai S, Zhang Q, Lu Y, Hu J, Zhang J, Du YZ, Wu L. Sialic Acid-Modified O-GlcNAc Transferase Inhibitor Liposome Presents Antitumor Effect in Hepatocellular Carcinoma. Mol Pharm 2024; 21:102-112. [PMID: 37994899 DOI: 10.1021/acs.molpharmaceut.3c00451] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2023]
Abstract
O-linked-N-acetylglucosaminylation (O-GlcNAcylation) plays a key role in hepatocellular carcinoma (HCC) development, and the inhibition of O-GlcNAcylation has therapeutic potential. To decrease the systemic adverse events and increase targeting, we used sialic acid (SA)-decorated liposomes loaded with OSMI-1, an inhibitor of the O-GlcNAcylation, to further improve the anti-HCC effect. Fifty pairs of HCC tissue samples and the cancer genome atlas database were used to analyze the expression of O-GlcNAc transferase (OGT) and its effects on prognosis and immune cell infiltration. OSMI-1 cells were treated with SA and liposomes. Western blotting, immunofluorescence, cell proliferation assay, flow cytometry, enzyme-linked immunosorbent assay, immunohistochemistry, and tumorigenicity assays were used to investigate the antitumor effect of SA-modified OSMI-1 liposomes in vitro and in vivo. OGT was highly expressed in HCC tissues, negatively correlated with the degree of tumor infiltration of CD8+ and CD4+T cells and prognosis, and positively correlated with the degree of Treg cell infiltration. SA-modified OSMI-1 liposome (OSMI-1-SAL) was synthesized with stable hydrodynamic size distribution. Both in vitro and in vivo, OSMI-1-SAL exhibited satisfactory biosafety and rapid uptake by HCC cells. Compared to free OSMI-1, OSMI-1-SAL had a stronger capacity for suppressing the proliferation and promoting the apoptosis of HCC cells. Moreover, OSMI-1-SAL effectively inhibited tumor initiation and development in mice. OSMI-1-SAL also promoted the release of damage-associated molecular patterns, including anticalreticulin, high-mobility-group protein B1, and adenosine triphosphate, from HCC cells and further promoted the activation and proliferation of the CD8+ and CD4+T cells. In conclusion, the OSMI-1-SAL synthesized in this study can target HCC cells, inhibit tumor proliferation, induce tumor immunogenic cell death, enhance tumor immunogenicity, and promote antitumor immune responses, which has the potential for clinical application in the future.
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Affiliation(s)
- Bingyi Lin
- Department of Hepatobiliary and Pancreatic Surgery, The First Affiliated Hospital, Zhejiang University, School of Medicine, Hangzhou 310003, Zhejiang Province, China
| | - Siyuan Chai
- Department of Hepatobiliary and Pancreatic Surgery, The First Affiliated Hospital, Zhejiang University, School of Medicine, Hangzhou 310003, Zhejiang Province, China
| | - Qijun Zhang
- Department of Hepatobiliary and Pancreatic Surgery, The First Affiliated Hospital, Zhejiang University, School of Medicine, Hangzhou 310003, Zhejiang Province, China
| | - Yuejie Lu
- Department of Hepatobiliary and Pancreatic Surgery, The First Affiliated Hospital, Zhejiang University, School of Medicine, Hangzhou 310003, Zhejiang Province, China
| | - Jiahao Hu
- Institute of Pharmaceutics, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou 310030, Zhejiang Province, China
| | - Jie Zhang
- Department of Hepatobiliary and Pancreatic Surgery, The First Affiliated Hospital, Jiaxing University, School of Medicine, Jiaxing 314001, Zhejiang Province, China
| | - Yong-Zhong Du
- Institute of Pharmaceutics, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou 310030, Zhejiang Province, China
| | - Liming Wu
- Department of Hepatobiliary and Pancreatic Surgery, The First Affiliated Hospital, Zhejiang University, School of Medicine, Hangzhou 310003, Zhejiang Province, China
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19
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El Hajjar L, Bridot C, Nguyen M, Cantrelle FX, Landrieu I, Smet-Nocca C. The O-GlcNAc Modification of Recombinant Tau Protein and Characterization of the O-GlcNAc Pattern for Functional Study. Methods Mol Biol 2024; 2754:237-269. [PMID: 38512671 DOI: 10.1007/978-1-0716-3629-9_14] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/23/2024]
Abstract
The neuronal microtubule-associated tau protein is characterized in vivo by a large number of post-translational modifications along the entire primary sequence that modulates its function. The primary modification of tau is phosphorylation of serine/threonine or tyrosine residues that is involved in the regulation of microtubule binding and polymerization. In neurodegenerative disorders referred to as tauopathies including Alzheimer's disease, tau is abnormally hyperphosphorylated and forms fibrillar inclusions in neurons progressing throughout different brain area during the course of the disease. The O-β-linked N-acetylglucosamine (O-GlcNAc) is another reversible post-translational modification of serine/threonine residues that is installed and removed by the unique O-GlcNAc transferase (OGT) and O-GlcNAc hydrolase (OGA), respectively. This modification was described as a potential modulator of tau phosphorylation and functions in the physiopathology. Moreover, reducing protein O-GlcNAc levels in the brain upon treatment of tauopathy mouse models with an OGA inhibitor reveals a beneficial effect on tau pathology and neurodegeneration. However, whether the role of tau O-GlcNAcylation is responsible of the protective effect against tau toxicity remains to be determined. The production of O-GlcNAc modified recombinant tau protein is a valuable tool for the investigations of the impact of O-GlcNAcylation on tau functions, modulation of interactions with partners and crosstalk with other post-translational modifications, including but not restricted to phosphorylation. We describe here the in vitro O-GlcNAcylation of tau with recombinant OGT for which we provide an expression and purification protocol. The use of the O-GlcNAc tau protein in functional studies requires the analytical characterization of the O-GlcNAc pattern. Here, we describe a method for the O-GlcNAc modification of tau protein with recombinant OGT and the analytical characterization of the resulting O-GlcNAc pattern by a combination of methods for the overall characterization of tau O-GlcNAcylation by chemoenzymatic labeling and mass spectrometry, as well as the quantitative, site-specific pattern by NMR spectroscopy.
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Affiliation(s)
- Léa El Hajjar
- Univ. Lille, Inserm, CHU Lille, Institut Pasteur de Lille, U1167 - RID-AGE - Risk Factors and Molecular Determinants of Aging-Related Diseases, Lille, France
- CNRS EMR9002 Integrative Structural Biology, Lille, France
| | - Clarisse Bridot
- Univ. Lille, Inserm, CHU Lille, Institut Pasteur de Lille, U1167 - RID-AGE - Risk Factors and Molecular Determinants of Aging-Related Diseases, Lille, France
- CNRS EMR9002 Integrative Structural Biology, Lille, France
| | - Marine Nguyen
- Univ. Lille, Inserm, CHU Lille, Institut Pasteur de Lille, U1167 - RID-AGE - Risk Factors and Molecular Determinants of Aging-Related Diseases, Lille, France
- CNRS EMR9002 Integrative Structural Biology, Lille, France
| | - François-Xavier Cantrelle
- Univ. Lille, Inserm, CHU Lille, Institut Pasteur de Lille, U1167 - RID-AGE - Risk Factors and Molecular Determinants of Aging-Related Diseases, Lille, France
- CNRS EMR9002 Integrative Structural Biology, Lille, France
| | - Isabelle Landrieu
- Univ. Lille, Inserm, CHU Lille, Institut Pasteur de Lille, U1167 - RID-AGE - Risk Factors and Molecular Determinants of Aging-Related Diseases, Lille, France
- CNRS, EMR9002 BSI Integrative Structural Biology, Lille, France
- LabEx (Laboratory of Excellence) DISTALZ (Development of Innovative Strategies for a Transdisciplinary Approach to Alzheimer's Disease ANR-11-LABX-01), Lille, France
| | - Caroline Smet-Nocca
- Univ. Lille, Inserm, CHU Lille, Institut Pasteur de Lille, U1167 - RID-AGE - Risk Factors and Molecular Determinants of Aging-Related Diseases, Lille, France.
- CNRS EMR9002 Integrative Structural Biology, Lille, France.
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20
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Ye L, Ding W, Xiao D, Jia Y, Zhao Z, Ao X, Wang J. O-GlcNAcylation: cellular physiology and therapeutic target for human diseases. MedComm (Beijing) 2023; 4:e456. [PMID: 38116061 PMCID: PMC10728774 DOI: 10.1002/mco2.456] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2023] [Revised: 11/30/2023] [Accepted: 12/01/2023] [Indexed: 12/21/2023] Open
Abstract
O-linked-β-N-acetylglucosamine (O-GlcNAcylation) is a distinctive posttranslational protein modification involving the coordinated action of O-GlcNAc transferase and O-GlcNAcase, primarily targeting serine or threonine residues in various proteins. This modification impacts protein functionality, influencing stability, protein-protein interactions, and localization. Its interaction with other modifications such as phosphorylation and ubiquitination is becoming increasingly evident. Dysregulation of O-GlcNAcylation is associated with numerous human diseases, including diabetes, nervous system degeneration, and cancers. This review extensively explores the regulatory mechanisms of O-GlcNAcylation, its effects on cellular physiology, and its role in the pathogenesis of diseases. It examines the implications of aberrant O-GlcNAcylation in diabetes and tumorigenesis, highlighting novel insights into its potential role in cardiovascular diseases. The review also discusses the interplay of O-GlcNAcylation with other protein modifications and its impact on cell growth and metabolism. By synthesizing current research, this review elucidates the multifaceted roles of O-GlcNAcylation, providing a comprehensive reference for future studies. It underscores the potential of targeting the O-GlcNAcylation cycle in developing novel therapeutic strategies for various pathologies.
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Affiliation(s)
- Lin Ye
- School of Basic MedicineQingdao UniversityQingdaoChina
| | - Wei Ding
- The Affiliated Hospital of Qingdao UniversityQingdao Medical CollegeQingdao UniversityQingdaoChina
| | - Dandan Xiao
- School of Basic MedicineQingdao UniversityQingdaoChina
| | - Yi Jia
- School of Basic MedicineQingdao UniversityQingdaoChina
| | - Zhonghao Zhao
- School of Basic MedicineQingdao UniversityQingdaoChina
| | - Xiang Ao
- School of Basic MedicineQingdao UniversityQingdaoChina
| | - Jianxun Wang
- School of Basic MedicineQingdao UniversityQingdaoChina
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21
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Song J, Liu Q, Han L, Song T, Huang S, Zhang X, He Q, Liang C, Zhu S, Xiong B. Hsa_circ_0009092/miR-665/NLK signaling axis suppresses colorectal cancer progression via recruiting TAMs in the tumor microenvironment. J Exp Clin Cancer Res 2023; 42:319. [PMID: 38008713 PMCID: PMC10680284 DOI: 10.1186/s13046-023-02887-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2023] [Accepted: 11/06/2023] [Indexed: 11/28/2023] Open
Abstract
BACKGROUND It has been demonstrated that circularRNA (circRNAs) plays a critical role in various cancers. While the potential molecular mechanism of circRNAs in the progression of colorectal cancer (CRC) remains uncertain. METHODS Differentially expressed circRNAs were identified by RNA sequencing. RT-qPCR detected the expression of circ_0009092, miR-665, and NLK in CRC tissues and cells. Functions of circ_0009092 on tumor cell proliferation, migration, and invasion were investigated by a series of in vitro assays. The underlying mechanism of circ_0009092 was explored by bioinformatics analysis, RNA immunoprecipitation (RIP) and luciferase assays. A co-culture assay in vitro was performed to detect the affection of circ_0009092 on macrophage recruitment in the tumor microenvironment (TME). A xenograft mouse model was used to explore the effect of circ_0009092 on tumor growth. RESULTS Circ_0009092 was downregulated in CRCand predicted a good prognosis. Overexpression of circ_0009092 reduced tumor cell EMT, proliferation, migration, and invasion in vitro and in vivo. Mechanistically, circ_0009092 elevated the NLK expression via sponging miR-665 and suppressed the Wnt/β-catenin signaling pathway. EIF4EA3 induced circ_0009092 expression in CRC cells. In addition, NLK regulates phosphorylation and O-GlcNAcylation of STAT3 by binding to STAT3, thereby inhibiting CCL2 expression, in which it inhibits macrophage recruitment in the tumor microenvironment (TME). CONCLUSION EIF4A3 suppressed circ_0009092 biogenesis, whichinhibits CRC progression by sponging miR-665 to downregulate NLK. Circ_0009092/miR-665/NLK suppressed tumor EMT, proliferation, migration, and invasion by acting on the Wnt/β-catenin signaling pathway. NLK directly interacted with STAT3 and decreased the CCL2 expression, inhibiting the recruitment of tumor-associated macrophages (TAMs) in the TME. Our study provided novel insights into the roles of circ_0009092 as a novel promising prognostic and therapeutic target in CRC.
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Affiliation(s)
- Jialin Song
- Department of Gastrointestinal Surgery, Zhongnan Hospital of Wuhan University, Wuhan, 430071, China
- Hubei Key Laboratory of Tumour Biological Behaviours, Wuhan, 430071, China
| | - Qing Liu
- Department of Gastrointestinal Surgery, Zhongnan Hospital of Wuhan University, Wuhan, 430071, China
- Department of Respiratory and Critical Care Medicine, Zhongnan Hospital of Wuhan University, Wuhan, China
- Wuhan Research Center for Infectious Diseases and Cancer, Chinese Academy of Medical Sciences, Wuhan, China
| | - Lei Han
- Department of Gastrointestinal Surgery, Zhongnan Hospital of Wuhan University, Wuhan, 430071, China
- Hubei Key Laboratory of Tumour Biological Behaviours, Wuhan, 430071, China
| | - Tiantian Song
- Department of Gastrointestinal Surgery, Zhongnan Hospital of Wuhan University, Wuhan, 430071, China
- Hubei Key Laboratory of Tumour Biological Behaviours, Wuhan, 430071, China
| | - Sihao Huang
- Department of Gastrointestinal Surgery, Zhongnan Hospital of Wuhan University, Wuhan, 430071, China
- Hubei Key Laboratory of Tumour Biological Behaviours, Wuhan, 430071, China
| | - Xinyao Zhang
- Department of Gastrointestinal Surgery, Zhongnan Hospital of Wuhan University, Wuhan, 430071, China
- Hubei Key Laboratory of Tumour Biological Behaviours, Wuhan, 430071, China
| | - Qiuming He
- Department of Gastrointestinal Surgery, Zhongnan Hospital of Wuhan University, Wuhan, 430071, China
- Hubei Key Laboratory of Tumour Biological Behaviours, Wuhan, 430071, China
| | - Chenxi Liang
- Department of Gastrointestinal Surgery, Zhongnan Hospital of Wuhan University, Wuhan, 430071, China
- Hubei Key Laboratory of Tumour Biological Behaviours, Wuhan, 430071, China
| | - Shuai Zhu
- Department of Pancreatic Surgery, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, China.
- Department of General Surgery, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, China.
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, China.
| | - Bin Xiong
- Department of Gastrointestinal Surgery, Zhongnan Hospital of Wuhan University, Wuhan, 430071, China.
- Hubei Key Laboratory of Tumour Biological Behaviours, Wuhan, 430071, China.
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22
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Luo W, Sun L. O-Linked N-Acetylglucosamine Transferase Regulates Bone Homeostasis Through Alkaline Phosphatase Pathway in Diabetic Periodontitis. Mol Biotechnol 2023:10.1007/s12033-023-00947-0. [PMID: 37951846 DOI: 10.1007/s12033-023-00947-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2023] [Accepted: 10/10/2023] [Indexed: 11/14/2023]
Abstract
Periodontitis is one of the most common complications of diabetes, which seriously affects patients' life quality. It is important to find the key factors and mechanisms to improve the treatment of periodontitis. In our study, high glucose (HG) and lipopolysaccharide (LPS) treated human periodontal ligament cells (hPDLCs) and LPS treated diabetic mice was used to establish the diabetic periodontitis model in vitro and in vivo. O-linked beta-N-acetylglucosamine glycosylation (O-GlcNAcylation) and O-linked N-acetylglucosamine transferase (OGT) protein levels were detected by western blot assay. Cell counting kit-8, alkaline phosphatase (ALP), and alizarin red staining (ARS) assays were used to observe the O-GlcNAcylation and OGT effects on cell viability and osteoblast differentiation. Co-immunoprecipitation (Co-IP) assay was used to detect the relationship between OGT and ALP. The results showed that the levels of OGT and O-GlcNAcylation were significantly increased in both cell and mouse models. ALP and ARS staining results showed that silencing of OGT or inhibition of O-glycosylation notably improved osteogenic differentiation, increased the osteoprotegerin (OPG) protein levels and decreased the receptor activator for nuclear factor-κB Ligand (RANKL) protein levels of the HG and LPS treated hPDLCs. In diabetic periodontitis mice, knockdown of OGT relieved the injury of gingival tissue, increased the ALP and OPG levels and decreased the RANKL levels. Besides, ALP interacted with OGT protein, and OGT protein was found to act on ALP serine 513 glycosylation. In conclusion, our study demonstrated that excessive O-GlcNAcylation could restrain osteoblast differentiation by O-glycosylation in ALP.
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Affiliation(s)
- Wei Luo
- Beijing Hanhe Daguanying Dental Clinic, No. 182 Guang'an Menwai Street, Xicheng District, 100055, Beijing, China.
| | - Lu Sun
- Department of Stomatology, The First Medical Center of Chinese PLA General Hospital, 100853, Beijing, China
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23
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Wang Y, Wang G, Liu Y, Yang F, Zhang H, Kong Y. Icaritin inhibits endometrial carcinoma cells by suppressing O-GlcNAcylation of FOXC1. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2023; 120:155062. [PMID: 37683586 DOI: 10.1016/j.phymed.2023.155062] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/25/2023] [Revised: 08/25/2023] [Accepted: 08/30/2023] [Indexed: 09/10/2023]
Abstract
BACKGROUND Icaritin has a wide range of pharmacological activities, including significant an-titumor activity. However, the mechanism of action of icaritin in endometrial cancer (UCEC) remains unknown. FOX proteins are a highly conserved transcription factor superfamily that play important roles in epithelial cell differentiation, tumor metastasis, angiogenesis, and cell cycle regulation. FOXC1 is an important member of the FOX protein family. FOXC1 is aberrantly expressed in endometrial cancer and may play a role in the migration and invasion of endometrial cancer; however, its mechanism of action has not yet been reported. O-GlcNAc glycosylation is a common post-translational modification. In endometrial cancer, high levels of O-GlcNAcylation promote cell proliferation, migration, and invasion. Cancer development is often accompanied by O-GlcNAc modification of proteins; however, O-GlcNAc modification of the transcription factor FOXC1 has not been reported to date. PURPOSE To investigate the inhibitory effects of icaritin on RL95-2 and Ishikawa endometrial cancer cells in vitro and in vivo and to elucidate the possible molecular mechanisms. METHODS/STUDY DESIGN CCK8, colony formation, migration, and invasion assays were used to determine the inhibitory effects of icaritin on endometrial cancer cells in vitro. Cell cycle regulation was assayed by flow cytometry. Protein levels were measured based on western blotting. The level of FOXC1 expression in endometrial cancer tissues was determined by immunohistochemistry. To assess whether icaritin also has activity in vivo, its effect on tumor xenografts was evaluated. RESULTS Immunohistochemical analysis of clinical samples revealed that FOXC1 expression was significantly higher in endometrial cancer tissues than in normal tissues. Downregulation of FOXC1 inhibited the proliferative, colony formation, migration, and invasive abilities of RL95-2 and Ishikawa endometrial cancer cells. Icaritin inhibited the proliferation, colony formation, migration, and invasion of endometrial cancer cells and blocked the cell cycle in S phase. Icaritin affected O-GlcNAc modification of FOXC1 and thus the stability of FOXC1, which subsequently triggered the inhibition of endometrial cancer cell proliferation. CONCLUSION The anti-endometrial cancer effect of icaritin is related to the inhibition of abnormal O-GlcNAc modification of FOXC1, which may provide an important theoretical foundation for the use of icaritin against endometrial cancer.
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Affiliation(s)
- Yufei Wang
- Institute of Neurology, General Hospital of Shenyang Military Command, Shenyang, Liaoning 110016, China
| | - Gang Wang
- Dalian Medical University, Lvshun South Road #9, Dalian, Liaoning 116044, China
| | - Yingping Liu
- Dalian Medical University, Lvshun South Road #9, Dalian, Liaoning 116044, China
| | - Fangyu Yang
- Institute of Neurology, General Hospital of Shenyang Military Command, Shenyang, Liaoning 110016, China
| | - Hongshuo Zhang
- Dalian Medical University, Lvshun South Road #9, Dalian, Liaoning 116044, China.
| | - Ying Kong
- Dalian Medical University, Lvshun South Road #9, Dalian, Liaoning 116044, China.
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24
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Leong SK, Chen YJ, Hsiao JC, Tsai CY, Shie JJ. Site-Specific and Multiple Fluorogenic Metabolic Glycan Labeling and Glycoproteomic Profiling in Live Cells. Chembiochem 2023; 24:e202300522. [PMID: 37489880 DOI: 10.1002/cbic.202300522] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2023] [Accepted: 07/25/2023] [Indexed: 07/26/2023]
Abstract
Multicolor labeling for monitoring the intracellular localization of the same target type in the native environment using chemical fluorescent dyes is a challenging task. This approach requires both bioorthogonal and biocompatible ligations with an excellent fluorescence signal-to-noise ratio. Here, we present a metabolic glycan labeling technique that uses homemade fluorogenic dyes to investigate glycosylation patterns in live cells. These dyes allowed us to demonstrate rapid and efficient simultaneous multilabeling of glycoconjugates with minimum fluorescence noise. Our results demonstrate that this approach is capable of not only probing sialylation and GlcNAcylation in cells but also specifically labeling the cell-surface and intracellular sialylated glycoconjugates in live cells. In particular, we performed site-specific dual-channel fluorescence imaging of extra and intracellular sialylated glycans in HeLa and PC9 cancer cells as well as identified fluorescently labeled sialylated glycoproteins and glycans by a direct enrichment approach combined with an MS-based proteomic analysis in the same experiment. In conclusion, this study provides multilabeling tools in cellular systems for simultaneous site-specific glycan imaging and glycoproteomic analysis to study potential cancer- and disease-associated glycoconjugates.
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Affiliation(s)
- Shwee Khuan Leong
- Institute of Chemistry, Academia Sinica, 128 Academia Road, Section 2, Nankang, Taipei, 11529, Taiwan
- Taiwan International Graduate Program of Sustainable Chemical Science and Technology, Academia Sinica, Taipei, 11529, Taiwan
- Department of Applied Chemistry, National Yang Ming Chiao Tung University, Hsinchu, 30013, Taiwan
| | - Yi-Ju Chen
- Institute of Chemistry, Academia Sinica, 128 Academia Road, Section 2, Nankang, Taipei, 11529, Taiwan
| | - Jye-Chian Hsiao
- Institute of Chemistry, Academia Sinica, 128 Academia Road, Section 2, Nankang, Taipei, 11529, Taiwan
| | - Chun-Yi Tsai
- Institute of Chemistry, Academia Sinica, 128 Academia Road, Section 2, Nankang, Taipei, 11529, Taiwan
| | - Jiun-Jie Shie
- Institute of Chemistry, Academia Sinica, 128 Academia Road, Section 2, Nankang, Taipei, 11529, Taiwan
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25
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Zhang W, Lin W, Zeng X, Zhang M, Chen Q, Tang Y, Sun J, Liang B, Zha L, Yu Z. FUT8-Mediated Core Fucosylation Promotes the Pulmonary Vascular Remodeling in Pulmonary Arterial Hypertension. Aging Dis 2023; 14:1927-1944. [PMID: 37196106 PMCID: PMC10529761 DOI: 10.14336/ad.2023.0218] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2022] [Accepted: 02/18/2023] [Indexed: 05/19/2023] Open
Abstract
Pulmonary arterial hypertension (PAH) is a progressive cardiopulmonary disease with unclear underlying molecular mechanisms and limited therapeutic options. This study aimed to explore the role of core fucosylation and the only glycosyltransferase FUT8 in PAH. We observed increased core fucosylation in a monocrotaline (MCT)-induced PAH rat model and isolated rat pulmonary artery smooth muscle cells (PASMCs) treated with platelet-derived growth factor-BB (PDGF-BB). We found that 2-fluorofucose (2FF), a drug used to inhibit core fucosylation, improved hemodynamics and pulmonary vascular remodeling in MCT-induced PAH rats. In vitro, 2FF effectively restrains the proliferation, migration, and phenotypic switching of PASMCs and promotes apoptosis. Compared with controls, serum FUT8 concentration in PAH patients and MCT-induced rats was significantly elevated. FUT8 expression appeared increased in the lung tissues of PAH rats, and the co-localization of FUT8 with α-SMA was also observed. SiRNA was used to knockdown FUT8 in PASMCs (siFUT8). After effectively silencing FUT8 expression, phenotypic changes induced in PASMCs by PDGF-BB stimulation were alleviated. FUT8 activated the AKT pathway, while the admission of AKT activator SC79 could partially counteract the negative effect of siFUT8 on the proliferation, apoptotic resistance, and phenotypic switching of PASMCs, which may be involved in the core fucosylation of vascular endothelial growth factor receptor (VEGFR). Our research confirmed the critical role of FUT8 and its mediated core fucosylation in pulmonary vascular remodeling in PAH, providing a potential novel therapeutic target for PAH.
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Affiliation(s)
- Wen Zhang
- Department of Cardiology, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Wenchao Lin
- Department of nephrology, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Xiaofang Zeng
- Department of Cardiology, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Mengqiu Zhang
- Department of Cardiology, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Qin Chen
- Department of Cardiology, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Yiyang Tang
- Department of Cardiology, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Jing Sun
- Department of Cardiology, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Benhui Liang
- Department of Cardiology, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Lihuang Zha
- Department of Cardiology, Xiangya Hospital, Central South University, Changsha, Hunan, China
- National Clinical Research Center for Geriatric Disorders (Xiang Ya), Changsha, Hunan, China
| | - Zaixin Yu
- Department of Cardiology, Xiangya Hospital, Central South University, Changsha, Hunan, China
- National Clinical Research Center for Geriatric Disorders (Xiang Ya), Changsha, Hunan, China
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26
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Wright MH. Chemical biology tools for protein labelling: insights into cell-cell communication. Biochem J 2023; 480:1445-1457. [PMID: 37732646 PMCID: PMC10586760 DOI: 10.1042/bcj20220309] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2023] [Revised: 09/04/2023] [Accepted: 09/11/2023] [Indexed: 09/22/2023]
Abstract
Multicellular organisms require carefully orchestrated communication between and within cell types and tissues, and many unicellular organisms also sense their context and environment, sometimes coordinating their responses. This review highlights contributions from chemical biology in discovering and probing mechanisms of cell-cell communication. We focus on chemical tools for labelling proteins in a cellular context and how these can be applied to decipher the target receptor of a signalling molecule, label a receptor of interest in situ to understand its biology, provide a read-out of protein activity or interactions in downstream signalling pathways, or discover protein-protein interactions across cell-cell interfaces.
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Affiliation(s)
- Megan H. Wright
- School of Chemistry and Astbury Centre for Structural Molecular Biology, University of Leeds, Leeds LS2 9JT, U.K
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27
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Chen X, Shi C, He M, Xiong S, Xia X. Endoplasmic reticulum stress: molecular mechanism and therapeutic targets. Signal Transduct Target Ther 2023; 8:352. [PMID: 37709773 PMCID: PMC10502142 DOI: 10.1038/s41392-023-01570-w] [Citation(s) in RCA: 45] [Impact Index Per Article: 45.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2023] [Revised: 06/17/2023] [Accepted: 07/14/2023] [Indexed: 09/16/2023] Open
Abstract
The endoplasmic reticulum (ER) functions as a quality-control organelle for protein homeostasis, or "proteostasis". The protein quality control systems involve ER-associated degradation, protein chaperons, and autophagy. ER stress is activated when proteostasis is broken with an accumulation of misfolded and unfolded proteins in the ER. ER stress activates an adaptive unfolded protein response to restore proteostasis by initiating protein kinase R-like ER kinase, activating transcription factor 6, and inositol requiring enzyme 1. ER stress is multifaceted, and acts on aspects at the epigenetic level, including transcription and protein processing. Accumulated data indicates its key role in protein homeostasis and other diverse functions involved in various ocular diseases, such as glaucoma, diabetic retinopathy, age-related macular degeneration, retinitis pigmentosa, achromatopsia, cataracts, ocular tumors, ocular surface diseases, and myopia. This review summarizes the molecular mechanisms underlying the aforementioned ocular diseases from an ER stress perspective. Drugs (chemicals, neurotrophic factors, and nanoparticles), gene therapy, and stem cell therapy are used to treat ocular diseases by alleviating ER stress. We delineate the advancement of therapy targeting ER stress to provide new treatment strategies for ocular diseases.
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Affiliation(s)
- Xingyi Chen
- Eye Center of Xiangya Hospital, Central South University, 410008, Changsha, Hunan, China
- Hunan Key Laboratory of Ophthalmology, Central South University, 410008, Changsha, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
| | - Chaoran Shi
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
| | - Meihui He
- Eye Center of Xiangya Hospital, Central South University, 410008, Changsha, Hunan, China
- Hunan Key Laboratory of Ophthalmology, Central South University, 410008, Changsha, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
| | - Siqi Xiong
- Eye Center of Xiangya Hospital, Central South University, 410008, Changsha, Hunan, China.
- Hunan Key Laboratory of Ophthalmology, Central South University, 410008, Changsha, China.
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China.
| | - Xiaobo Xia
- Eye Center of Xiangya Hospital, Central South University, 410008, Changsha, Hunan, China.
- Hunan Key Laboratory of Ophthalmology, Central South University, 410008, Changsha, China.
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China.
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28
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Yue J, Huang R, Lan Z, Xiao B, Luo Z. Abnormal glycosylation in glioma: related changes in biology, biomarkers and targeted therapy. Biomark Res 2023; 11:54. [PMID: 37231524 DOI: 10.1186/s40364-023-00491-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2022] [Accepted: 04/26/2023] [Indexed: 05/27/2023] Open
Abstract
Glioma is a rapidly growing and aggressive primary malignant tumor of the central nervous system that can diffusely invade the brain tissue around, and the prognosis of patients is not significantly improved by traditional treatments. One of the most general posttranslational modifications of proteins is glycosylation, and the abnormal distribution of this modification in gliomas may shed light on how it affects biological behaviors of glioma cells, including proliferation, migration, and invasion, which may be produced by regulating protein function, cell-matrix and cell‒cell interactions, and affecting receptor downstream pathways. In this paper, from the perspective of regulating protein glycosylation changes and abnormal expression of glycosylation-related proteins (such as glycosyltransferases in gliomas), we summarize how glycosylation may play a crucial role in the discovery of novel biomarkers and new targeted treatment options for gliomas. Overall, the mechanistic basis of abnormal glycosylation affecting glioma progression remains to be more widely and deeply explored, which not only helps to inspire researchers to further explore related diagnostic and prognostic markers but also provides ideas for discovering effective treatment strategies and improving glioma patient survival and prognosis.
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Affiliation(s)
- Juan Yue
- Department of Neurology, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, China
- Xiangya School of Medicine, Central South University, Changsha, 410013, Hunan, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, 87 Xiangya road of Kaifu district, 410008, Changsha, Hunan, China
| | - Roujie Huang
- Department of Obstetrics and Gynecology, Peking Union Medical College, Peking Union Medical College Hospital, Chinese Academy of Medical Science, Shuaifuyuan No. 1, Dongcheng District, 100730, Beijing, China
| | - Zehao Lan
- Xiangya School of Medicine, Central South University, Changsha, 410013, Hunan, China
| | - Bo Xiao
- Department of Neurology, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, 87 Xiangya road of Kaifu district, 410008, Changsha, Hunan, China
- Clinical Research Center for Epileptic disease of Hunan Province, Central South University, 410008, Changsha, Hunan, P.R. China
| | - Zhaohui Luo
- Department of Neurology, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, China.
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, 87 Xiangya road of Kaifu district, 410008, Changsha, Hunan, China.
- Clinical Research Center for Epileptic disease of Hunan Province, Central South University, 410008, Changsha, Hunan, P.R. China.
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29
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Wang G, Xu Z, Sun J, Liu B, Ruan Y, Gu J, Song S. O-GlcNAcylation enhances Reticulon 2 protein stability and its promotive effects on gastric cancer progression. Cell Signal 2023; 108:110718. [PMID: 37196774 DOI: 10.1016/j.cellsig.2023.110718] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Revised: 04/26/2023] [Accepted: 05/13/2023] [Indexed: 05/19/2023]
Abstract
Our previous study indicated that Reticulon 2 (RTN2) was upregulated and facilitated the progression of gastric cancer. Protein O-linked β-N-acetylglucosaminylation (O-GlcNAcylation) is a general feature during tumorigenesis, and regulates protein activity and stability through post-translational modification on serine/threonine. However, the relationship between RTN2 and O-GlcNAcylation have never been determined. In this study, we explored the influence of O-GlcNAcylation on RTN2 expression and its promotive role in gastric cancer. We found that RTN2 interacted with O-GlcNAc transferase (OGT) and was modified by O-GlcNAc. O-GlcNAcylation enhanced RTN2 protein stability via attenuating its lysosomal degradation in gastric cancer cells. Furthermore, our results demonstrated that RTN2-induced activation of ERK signalling was dependent on O-GlcNAcylation. Consistently, the stimulative effects of RTN2 on cellular proliferation and migration were abrogated by OGT inhibition. Tissue microarray with immumohistochemical staining also confirmed that the expression of RTN2 was positively correlated with the level of total O-GlcNAcylation as well as the phosphorylation level of ERK. Besides, combined RTN2 and O-GlcNAc staining intensity could improve predictive accuracy for gastric cancer patients' survival compared with each alone. Altogether, these findings suggest that O-GlcNAcylation on RTN2 was pivotal for its oncogenic functions in gastric cancer. Targeting RTN2 O-GlcNAcylation might provide new ideas for gastric cancer therapies.
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Affiliation(s)
- Gaojia Wang
- NHC Key Laboratory of Glycoconjugates Research & Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Fudan University, Shanghai, PR China
| | - Zhijian Xu
- NHC Key Laboratory of Glycoconjugates Research & Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Fudan University, Shanghai, PR China
| | - Jie Sun
- Department of General Surgery, Zhongshan Hospital, Fudan University, Shanghai, PR China
| | - Bo Liu
- NHC Key Laboratory of Glycoconjugates Research & Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Fudan University, Shanghai, PR China.
| | - Yuanyuan Ruan
- NHC Key Laboratory of Glycoconjugates Research & Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Fudan University, Shanghai, PR China
| | - Jianxin Gu
- NHC Key Laboratory of Glycoconjugates Research & Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Fudan University, Shanghai, PR China
| | - Shushu Song
- NHC Key Laboratory of Glycoconjugates Research & Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Fudan University, Shanghai, PR China.
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30
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Yue Z, Yu Y, Gao B, Wang D, Sun H, Feng Y, Ma Z, Xie X. Advances in protein glycosylation and its role in tissue repair and regeneration. Glycoconj J 2023; 40:355-373. [PMID: 37097318 DOI: 10.1007/s10719-023-10117-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2022] [Revised: 04/10/2023] [Accepted: 04/16/2023] [Indexed: 04/26/2023]
Abstract
After tissue damage, a series of molecular and cellular events are initiated to promote tissue repair and regeneration to restore its original structure and function. These events include inter-cell communication, cell proliferation, cell migration, extracellular matrix differentiation, and other critical biological processes. Glycosylation is the crucial conservative and universal post-translational modification in all eukaryotic cells [1], with influential roles in intercellular recognition, regulation, signaling, immune response, cellular transformation, and disease development. Studies have shown that abnormally glycosylation of proteins is a well-recognized feature of cancer cells, and specific glycan structures are considered markers of tumor development. There are many studies on gene expression and regulation during tissue repair and regeneration. Still, there needs to be more knowledge of complex carbohydrates' effects on tissue repair and regeneration, such as glycosylation. Here, we present a review of studies investigating protein glycosylation in the tissue repair and regeneration process.
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Affiliation(s)
- Zhongyu Yue
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, College of Life Science, Northwest University, Xi'an, China
| | - Yajie Yu
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, College of Life Science, Northwest University, Xi'an, China
| | - Boyuan Gao
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, College of Life Science, Northwest University, Xi'an, China
| | - Du Wang
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, College of Life Science, Northwest University, Xi'an, China
| | - Hongxiao Sun
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, College of Life Science, Northwest University, Xi'an, China
| | - Yue Feng
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, College of Life Science, Northwest University, Xi'an, China
| | - Zihan Ma
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, College of Life Science, Northwest University, Xi'an, China
| | - Xin Xie
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, College of Life Science, Northwest University, Xi'an, China.
- GeWu Medical Research Institute (GMRI), Xi'an, China.
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31
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O-GlcNAcylation of SPOP promotes carcinogenesis in hepatocellular carcinoma. Oncogene 2023; 42:725-736. [PMID: 36604567 DOI: 10.1038/s41388-022-02589-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2022] [Revised: 12/18/2022] [Accepted: 12/21/2022] [Indexed: 01/06/2023]
Abstract
Aberrantly elevated O-GlcNAcylation level is commonly observed in human cancer patients, and has been proposed as a potential therapeutic target. Speckle-type POZ protein (SPOP), an important substrate adaptor of cullin3-RING ubiquitin ligase, plays a key role in the initiation and development of various cancers. However, the regulatory mechanisms governing SPOP and its function during hepatocellular carcinoma (HCC) progression remain unclear. Here, we show that, in HCC, SPOP is highly O-GlcNAcylated by O-GlcNAc transferase (OGT) at Ser96. In normal liver cells, the SPOP protein mainly localizes in the cytoplasm and mediates the ubiquitination of the oncoprotein neurite outgrowth inhibitor-B (Nogo-B) (also known as reticulon 4 B) by recognizing its N-terminal SPOP-binding consensus (SBC) motifs. However, O-GlcNAcylation of SPOP at Ser96 increases the nuclear positioning of SPOP in hepatoma cells, alleviating the ubiquitination of the Nogo-B protein, thereby promoting HCC progression in vitro and in vivo. In addition, ablation of O-GlcNAcylation by an S96A mutation increased the cytoplasmic localization of SPOP, thereby inhibiting the Nogo-B/c-FLIP cascade and HCC progression. Our findings reveal a novel post-translational modification of SPOP and identify a novel SPOP substrate, Nogo-B, in HCC. Intervention with the hyper O-GlcNAcylation of SPOP may provide a novel strategy for HCC treatment.
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32
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Hao Y, Li X, Qin K, Shi Y, He Y, Zhang C, Cheng B, Zhang X, Hu G, Liang S, Tang Q, Chen X. Chemoproteomic and Transcriptomic Analysis Reveals that O-GlcNAc Regulates Mouse Embryonic Stem Cell Fate through the Pluripotency Network. Angew Chem Int Ed Engl 2023; 62:e202300500. [PMID: 36852467 DOI: 10.1002/anie.202300500] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2023] [Revised: 02/22/2023] [Accepted: 02/27/2023] [Indexed: 03/01/2023]
Abstract
Self-renewal and differentiation of embryonic stem cells (ESCs) are influenced by protein O-linked β-N-acetylglucosamine (O-GlcNAc) modification, but the underlying mechanism remains incompletely understood. Herein, we report the identification of 979 O-GlcNAcylated proteins and 1340 modification sites in mouse ESCs (mESCs) by using a chemoproteomics method. In addition to OCT4 and SOX2, the third core pluripotency transcription factor (PTF) NANOG was found to be modified and functionally regulated by O-GlcNAc. Upon differentiation along the neuronal lineage, the O-GlcNAc stoichiometry at 123 sites of 83 proteins-several of which were PTFs-was found to decline. Transcriptomic profiling reveals 2456 differentially expressed genes responsive to OGT inhibition during differentiation, of which 901 are target genes of core PTFs. By acting on the core PTF network, suppression of O-GlcNAcylation upregulates neuron-related genes, thus contributing to mESC fate determination.
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Affiliation(s)
- Yi Hao
- College of Chemistry and Molecular Engineering, Beijing National Laboratory for Molecular Sciences, Peking-Tsinghua Center for Life Sciences, Synthetic and Functional Biomolecules Center, Key Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of Education, Peking University, Beijing, 100871, China
| | - Xiang Li
- College of Chemistry and Molecular Engineering, Beijing National Laboratory for Molecular Sciences, Peking-Tsinghua Center for Life Sciences, Synthetic and Functional Biomolecules Center, Key Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of Education, Peking University, Beijing, 100871, China
| | - Ke Qin
- College of Chemistry and Molecular Engineering, Beijing National Laboratory for Molecular Sciences, Peking-Tsinghua Center for Life Sciences, Synthetic and Functional Biomolecules Center, Key Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of Education, Peking University, Beijing, 100871, China
| | - Yujie Shi
- College of Chemistry and Molecular Engineering, Beijing National Laboratory for Molecular Sciences, Peking-Tsinghua Center for Life Sciences, Synthetic and Functional Biomolecules Center, Key Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of Education, Peking University, Beijing, 100871, China
| | - Yanwen He
- College of Chemistry and Molecular Engineering, Beijing National Laboratory for Molecular Sciences, Peking-Tsinghua Center for Life Sciences, Synthetic and Functional Biomolecules Center, Key Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of Education, Peking University, Beijing, 100871, China
| | - Che Zhang
- College of Chemistry and Molecular Engineering, Beijing National Laboratory for Molecular Sciences, Peking-Tsinghua Center for Life Sciences, Synthetic and Functional Biomolecules Center, Key Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of Education, Peking University, Beijing, 100871, China
| | - Bo Cheng
- College of Chemistry and Molecular Engineering, Beijing National Laboratory for Molecular Sciences, Peking-Tsinghua Center for Life Sciences, Synthetic and Functional Biomolecules Center, Key Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of Education, Peking University, Beijing, 100871, China
| | - Xiwen Zhang
- College of Chemistry and Molecular Engineering, Beijing National Laboratory for Molecular Sciences, Peking-Tsinghua Center for Life Sciences, Synthetic and Functional Biomolecules Center, Key Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of Education, Peking University, Beijing, 100871, China
| | - Guangyu Hu
- College of Chemistry and Molecular Engineering, Beijing National Laboratory for Molecular Sciences, Peking-Tsinghua Center for Life Sciences, Synthetic and Functional Biomolecules Center, Key Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of Education, Peking University, Beijing, 100871, China
| | - Shuyu Liang
- College of Chemistry and Molecular Engineering, Beijing National Laboratory for Molecular Sciences, Peking-Tsinghua Center for Life Sciences, Synthetic and Functional Biomolecules Center, Key Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of Education, Peking University, Beijing, 100871, China
| | - Qi Tang
- College of Chemistry and Molecular Engineering, Beijing National Laboratory for Molecular Sciences, Peking-Tsinghua Center for Life Sciences, Synthetic and Functional Biomolecules Center, Key Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of Education, Peking University, Beijing, 100871, China
| | - Xing Chen
- College of Chemistry and Molecular Engineering, Beijing National Laboratory for Molecular Sciences, Peking-Tsinghua Center for Life Sciences, Synthetic and Functional Biomolecules Center, Key Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of Education, Peking University, Beijing, 100871, China
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O-GlcNAcylation regulates phagocytosis by promoting Ezrin localization at the cell cortex. J Genet Genomics 2023:S1673-8527(23)00042-5. [PMID: 36796536 DOI: 10.1016/j.jgg.2023.02.003] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2022] [Revised: 01/25/2023] [Accepted: 02/02/2023] [Indexed: 02/16/2023]
Abstract
O-GlcNAcylation is a post-translational modification that serves as a cellular nutrient sensor and participates in multiple physiological and pathological processes. However, it remains uncertain whether O-GlcNAcylation is involved in the regulation of phagocytosis. Here, we demonstrate a rapid increase in protein O-GlcNAcylation in response to phagocytotic stimuli. Knockout of O-GlcNAc transferase or pharmacological inhibition of O-GlcNAcylation dramatically blocks phagocytosis, resulting in the disruption of retinal structure and function. Mechanistic studies reveal that O-GlcNAc transferase interacts with Ezrin, a membrane-cytoskeleton linker protein, to catalyze its O-GlcNAcylation. Our data further show that Ezrin O-GlcNAcylation promotes its localization to the cell cortex, thereby stimulating the membrane-cytoskeleton interaction needed for efficient phagocytosis. These findings identify a previously unrecognized role for protein O-GlcNAcylation in phagocytosis with important implications in both health and diseases.
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Wang J, Cao W, Zhang W, Dou B, Zeng X, Su S, Cao H, Ding X, Ma J, Li X. Ac 34FGlcNAz is an effective metabolic chemical reporter for O-GlcNAcylated proteins with decreased S-glyco-modification. Bioorg Chem 2023; 131:106139. [PMID: 36610251 DOI: 10.1016/j.bioorg.2022.106139] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2022] [Revised: 08/29/2022] [Accepted: 09/05/2022] [Indexed: 02/02/2023]
Abstract
O-GlcNAcylation is a ubiquitous post-translational modification governing vital biological processes in cancer, diabetes and neurodegeneration. Metabolic chemical reporters (MCRs) containing bio-orthogonal groups such as azido or alkyne, are widely used for labeling of interested proteins. However, most MCRs developed for O-GlcNAc modification are not specific and always lead to unexpected side reactions termed S-glyco-modification. Here, we attempt to develop a new MCR of Ac34FGlcNAz that replacing the 4-OH of Ac4GlcNAz with fluorine, which is supposed to abolish the epimerization of GALE and enhance the selectivity. The discoveries demonstrate that Ac34FGlcNAz is a powerful MCR for O-GlcNAcylation with high efficiency and the process of this labeling is conducted by the two enzymes of OGT and OGA. Most importantly, Ac34FGlcNAz is predominantly incorporated intracellular proteins in the form of O-linkage and leads to negligible S-glyco-modification, indicating it is a selective MCR for O-GlcNAcylation. Therefore, we reason that Ac34FGlcNAz developed here is a well characterized MCR of O-GlcNAcylation, which provides more choice for label and enrichment of O-GlcNAc associated proteins.
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Affiliation(s)
- Jiajia Wang
- Joint National Laboratory for Antibody Drug Engineering, The First Affiliated Hospital of Henan University, Henan University, Kaifeng 475000, China
| | - Wei Cao
- Joint National Laboratory for Antibody Drug Engineering, The First Affiliated Hospital of Henan University, Henan University, Kaifeng 475000, China
| | - Wei Zhang
- School of Pharmacy, Institute for Innovative Drug Design and Evaluation, Henan University, Kaifeng 475000, China
| | - Biao Dou
- Joint National Laboratory for Antibody Drug Engineering, The First Affiliated Hospital of Henan University, Henan University, Kaifeng 475000, China
| | - Xueke Zeng
- Joint National Laboratory for Antibody Drug Engineering, The First Affiliated Hospital of Henan University, Henan University, Kaifeng 475000, China
| | - Shihao Su
- School of Pharmacy, Institute for Innovative Drug Design and Evaluation, Henan University, Kaifeng 475000, China
| | - Hongtai Cao
- Joint National Laboratory for Antibody Drug Engineering, The First Affiliated Hospital of Henan University, Henan University, Kaifeng 475000, China
| | - Xin Ding
- Joint National Laboratory for Antibody Drug Engineering, The First Affiliated Hospital of Henan University, Henan University, Kaifeng 475000, China
| | - Jing Ma
- School of Pharmacy, Institute for Innovative Drug Design and Evaluation, Henan University, Kaifeng 475000, China.
| | - Xia Li
- Joint National Laboratory for Antibody Drug Engineering, The First Affiliated Hospital of Henan University, Henan University, Kaifeng 475000, China.
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35
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Abstract
O-linked β-N-acetylglucosamine (O-GlcNAc) is a ubiquitous post-translational modification in mammals, decorating thousands of intracellular proteins. O-GlcNAc cycling is an essential regulator of myriad aspects of cell physiology and is dysregulated in numerous human diseases. Notably, O-GlcNAcylation is abundant in the brain and numerous studies have linked aberrant O-GlcNAc signaling to various neurological conditions. However, the complexity of the nervous system and the dynamic nature of protein O-GlcNAcylation have presented challenges for studying of neuronal O-GlcNAcylation. In this context, chemical approaches have been a particularly valuable complement to conventional cellular, biochemical, and genetic methods to understand O-GlcNAc signaling and to develop future therapeutics. Here we review selected recent examples of how chemical tools have empowered efforts to understand and rationally manipulate O-GlcNAcylation in mammalian neurobiology.
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Affiliation(s)
- Duc Tan Huynh
- Department of Biochemistry, Duke University School of Medicine, Durham, NC 27710, USA
| | - Michael Boyce
- Department of Biochemistry, Duke University School of Medicine, Durham, NC 27710, USA
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36
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Saha A, Fernández-Tejada A. Chemical biology tools to interrogate the roles of O-GlcNAc in immunity. Front Immunol 2023; 13:1089824. [PMID: 36776401 PMCID: PMC9910173 DOI: 10.3389/fimmu.2022.1089824] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2022] [Accepted: 12/28/2022] [Indexed: 01/27/2023] Open
Abstract
The O-linked β-N-acetylglucosamine (O-GlcNAc) glycosylation of proteins is an essential and dynamic post-translational modification in mammalian cells that is regulated by the action of two enzymes. O-GlcNAc transferase (OGT) incorporates this monosaccharide on serine/threonine residues, whereas O-GlcNAcase (OGA) removes it. This modification is found on thousands of intracellular proteins involved in vital cellular processes, both under physiological and pathological conditions. Aberrant expression of O-GlcNAc has been implicated in diseases such as Alzheimer, diabetes, and cancer, and growing evidence over the last decade has also revealed key implications of O-GlcNAcylation in immunity. While some key signaling pathways involving O-GlcNAcylation in immune cells have been discovered, a complete mechanistic understanding of how O-GlcNAcylated proteins function in the immune system remains elusive, partly because of the difficulties in mapping and quantifying O-GlcNAc sites. In this minireview, we discuss recent progress on chemical biology tools and approaches to investigate the role of O-GlcNAcylation in immune cells, with the intention of encouraging further research and developments in chemical glycoimmunology that can advance our understanding of O-GlcNAc in immunity.
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Affiliation(s)
- Abhijit Saha
- Chemical Immunology Lab, Centre for Cooperative Research in Biosciences, CIC bioGUNE, Basque Research and Technology Alliance (BRTA), Derio, Biscay, Spain
| | - Alberto Fernández-Tejada
- Chemical Immunology Lab, Centre for Cooperative Research in Biosciences, CIC bioGUNE, Basque Research and Technology Alliance (BRTA), Derio, Biscay, Spain,Ikerbasque, Basque Foundation for Science, Bilbao, Spain,*Correspondence: Alberto Fernández-Tejada,
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37
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Wang G, Li Y, Wang T, Wang J, Yao J, Yan G, Zhang Y, Lu H. Multi-comparative Thermal Proteome Profiling Uncovers New O-GlcNAc Proteins in a System-wide Method. Anal Chem 2023; 95:881-888. [PMID: 36580660 DOI: 10.1021/acs.analchem.2c03371] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Among diverse protein post-translational modifications, O-GlcNAcylation, a simple but essential monosaccharide modification, plays crucial roles in cellular processes and is closely related to various diseases. Despite its ubiquity in cells, properties of low stoichiometry and reversibility are hard nuts to crack in system-wide research of O-GlcNAc. Herein, we developed a novel method employing multi-comparative thermal proteome profiling for O-GlcNAc transferase (OGT) substrate discovery. Melting curves of proteins under different treatments were profiled and compared with high reproducibility and consistency. Consequently, proteins with significantly shifted stabilities caused by OGT and uridine-5'-diphosphate N-acetylglucosamine were screened out from which new O-GlcNAcylated proteins were uncovered.
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Affiliation(s)
- Guoli Wang
- Shanghai Cancer Center and Institutes of Biomedical Sciences, Fudan University, Shanghai 200030, China
| | - Yang Li
- Shanghai Cancer Center and Institutes of Biomedical Sciences, Fudan University, Shanghai 200030, China
| | - Ting Wang
- Department of Chemistry and NHC Key Laboratory of Glycoconjugates Research, Fudan University, Shanghai 200082, China
| | - Jun Wang
- Department of Chemistry and NHC Key Laboratory of Glycoconjugates Research, Fudan University, Shanghai 200082, China
| | - Jun Yao
- Shanghai Cancer Center and Institutes of Biomedical Sciences, Fudan University, Shanghai 200030, China
| | - Guoquan Yan
- Shanghai Cancer Center and Institutes of Biomedical Sciences, Fudan University, Shanghai 200030, China
| | - Ying Zhang
- Shanghai Cancer Center and Institutes of Biomedical Sciences, Fudan University, Shanghai 200030, China.,Department of Chemistry and NHC Key Laboratory of Glycoconjugates Research, Fudan University, Shanghai 200082, China
| | - Haojie Lu
- Shanghai Cancer Center and Institutes of Biomedical Sciences, Fudan University, Shanghai 200030, China.,Department of Chemistry and NHC Key Laboratory of Glycoconjugates Research, Fudan University, Shanghai 200082, China
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38
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Wang W, Deng J, Zhang Y, Li J. A Small-Molecule Probe with a Dual Function of miRNA Inhibition and Target identification. Chemistry 2023; 29:e202202013. [PMID: 36253322 DOI: 10.1002/chem.202202013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2022] [Indexed: 11/07/2022]
Abstract
By virtue of their key roles in pathologies, miRNAs represent a promising class of therapeutic targets. While high-fidelity small-molecule modulators of miRNAs can be identified via high-throughput screening using cellular reporter systems, their modes of action are elusive due to the lack of proper tools. Here, we report a small-molecule probe, 1 a, that is capable of elucidating its biological target along miRNA inhibition. Derived from norathyriol, a nature product, 1 a possessed a bioorthogonal alkyne moiety for subsequent labeling via copper-catalyzed azide-alkyne cycloaddition chemistry. We demonstrated that 1 a inhibited a panel of different miRNAs by blocking their loading onto argonaute 2 (AGO2), which is the key protein responsible for miRNA function. With the alkyne handle, we successfully identified AGO2 as an intracellular target of 1 a. Therefore, this work presents a novel small-molecule tool for suppressing and probing miRNA regulatory pathways.
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Affiliation(s)
- Weishan Wang
- State Key Laboratory of Analytical Chemistry for Life Sciences, Jiangsu Key Laboratory of Advanced Organic Materials, School of Chemistry and Chemical Engineering, Chemistry and Biomedicine Innovation Center (ChemBIC), Nanjing University, Nanjing, 210023, P. R. China
| | - Jiafang Deng
- State Key Laboratory of Analytical Chemistry for Life Sciences, Jiangsu Key Laboratory of Advanced Organic Materials, School of Chemistry and Chemical Engineering, Chemistry and Biomedicine Innovation Center (ChemBIC), Nanjing University, Nanjing, 210023, P. R. China
| | - Yan Zhang
- State Key Laboratory of Analytical Chemistry for Life Sciences, Jiangsu Key Laboratory of Advanced Organic Materials, School of Chemistry and Chemical Engineering, Chemistry and Biomedicine Innovation Center (ChemBIC), Nanjing University, Nanjing, 210023, P. R. China
| | - Jinbo Li
- State Key Laboratory of Analytical Chemistry for Life Sciences, Jiangsu Key Laboratory of Advanced Organic Materials, School of Chemistry and Chemical Engineering, Chemistry and Biomedicine Innovation Center (ChemBIC), Nanjing University, Nanjing, 210023, P. R. China
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39
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Boo J, Lee J, Kim YH, Lee CH, Ku B, Shin I. A fluorescent probe to simultaneously detect both O-GlcNAcase and phosphatase. Front Chem 2023; 11:1133018. [PMID: 36936532 PMCID: PMC10015443 DOI: 10.3389/fchem.2023.1133018] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2022] [Accepted: 02/10/2023] [Indexed: 03/06/2023] Open
Abstract
O-GlcNAc modification of proteins often has crosstalk with protein phosphorylation. These posttranslational modifications are highly dynamic events that modulate a wide range of cellular processes. Owing to the physiological and pathological significance of protein O-GlcNAcylation and phosphorylation, we designed the fluorescent probe, βGlcNAc-CM-Rhod-P, to differentially detect activities of O-GlcNAcase (OGA) and phosphatase, enzymes that are responsible for these modifications. βGlcNAc-CM-Rhod-P was comprised of a βGlcNAc-conjugated coumarin (βGlcNAc-CM) acting as an OGA substrate, a phosphorylated rhodol (Rhod-P) as a phosphatase substrate and a piperazine bridge. Because the emission wavelength maxima of CM and Rhod liberated from the probe are greatly different (100 nm), spectral interference is avoided. The results of this study revealed that treatment of βGlcNAc-CM-Rhod-P with OGA promotes formation of the GlcNAc-cleaved probe, CM-Rhod-P, and a consequent increase in the intensity of fluorescence associated with free CM. Also, it was found that exposure of the probe to phosphatase produces a dephosphorylated probe, βGlcNAc-CM-Rhod, which displays strong fluorescence arising from free Rhod. On the other hand, when incubated with both OGA and phosphatase, βGlcNAc-CM-Rhod-P was converted to CM-Rhod which lacked both βGlcNAc and phosphoryl groups, in conjunction with increases in the intensities of fluorescence arising from both free CM and Rhod. This probe was employed to detect activities of OGA and phosphatase in cell lysates and to fluorescently image both enzymes in cells. Collectively, the findings indicate that βGlcNAc-CM-Rhod-P can be utilized as a chemical tool to simultaneously determine activities of OGA and phosphatase.
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Affiliation(s)
- Jihyeon Boo
- Department of Chemistry, Yonsei University, Seoul, Republic of Korea
| | - Jongwon Lee
- Department of Chemistry, Yonsei University, Seoul, Republic of Korea
| | - Young-Hyun Kim
- Department of Chemistry, Yonsei University, Seoul, Republic of Korea
| | - Chang-Hee Lee
- Department of Chemistry, Yonsei University, Seoul, Republic of Korea
| | - Bonsu Ku
- Disease Target Structure Research Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), Daejeon, Republic of Korea
| | - Injae Shin
- Department of Chemistry, Yonsei University, Seoul, Republic of Korea
- *Correspondence: Injae Shin,
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40
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Hu S, Huo L, He J, Jin Y, Deng Y, Liu D. Ginseng glycoprotein and ginsenoside facilitate anti UV damage effects in diabetic rats. Front Pharmacol 2022; 13:1075594. [PMID: 36588701 PMCID: PMC9800513 DOI: 10.3389/fphar.2022.1075594] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2022] [Accepted: 12/07/2022] [Indexed: 12/23/2022] Open
Abstract
Diabetes mellitus combined with ultraviolet (UV) radiation damage not only brings great mental stress to patients, but also seriously impairs their quality of life. A UV-irradiated diabetic rat trauma skin model was established by us to investigate the effects and possible mechanisms of ginsenoside and glycoprotein on skin trauma repair in UV-irradiated diabetic rats. In the study, ginsenosides and ginseng glycoproteins were extracted from different parts of ginseng roots. It found that it's easier to prepare saponins in ginseng bark and proteins in ginseng core in large quantities. Since glycoprotein-like metabolites are relatively novel ginseng extracts, specifically characterized its structures. It was verified that the ginseng glycoproteins are not toxic to HaCaT cells and can significantly increase the survival of HaCaT cells after UV damage at the in vitro cellular level. Experiments in vivo were conducted to evaluate the therapeutic effects of ginsenoside and ginseng glycoprotein in a rat model of diabetes mellitus combined with UV irradiation injury. Histopathological changes on rat skin after treatment with ginsenoside and ginseng glycoprotein were evaluated by hematoxylin and eosin (H&E) staining and aldehyde fuchsine staining. The expression levels of malondialdehyde (MDA), superoxide dismutase (SOD), glutathione peroxidase (GSH-Px), matrix metalloproteinases (MMPs), hydroxyproline (HYP), interleukin-6 (IL-6), interleukin-1β (IL-1β), and tumor necrosis factor-α (TNF-α) were measured. The results indicate that both ginsenoside and ginseng glycoprotein could improve skin damage and ulcers caused by diabetes combined with UV irradiation and could alleviate a range of skin damage caused by the combination of diabetes and UV irradiation, including peroxidation and collagen fiber loss. Ginsenoside and ginseng glycoproteins can be considered as natural product candidates for the development of new drugs to treat diabetes combined with UV irradiation-induced skin damage.
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Affiliation(s)
- Shuang Hu
- School of Pharmacy, Changchun University of Chinese Medicine, Changchun, China
| | - Lulu Huo
- School of Pharmacy, Changchun University of Chinese Medicine, Changchun, China
| | - Jing He
- School of Pharmacy, Changchun University of Chinese Medicine, Changchun, China
| | - Ye Jin
- School of Pharmacy, Changchun University of Chinese Medicine, Changchun, China,*Correspondence: Ye Jin, ; Yongzhi Deng, ; Da Liu,
| | - Yongzhi Deng
- Department of Acupuncture and Massage, The Third Affiliated Hospital of Changchun University of Chinese Medicine, Changchun, China,*Correspondence: Ye Jin, ; Yongzhi Deng, ; Da Liu,
| | - Da Liu
- School of Pharmacy, Changchun University of Chinese Medicine, Changchun, China,*Correspondence: Ye Jin, ; Yongzhi Deng, ; Da Liu,
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41
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Wu K, Sun W, Li D, Diao J, Xiu P. Inhibition of Amyloid Nucleation by Steric Hindrance. J Phys Chem B 2022; 126:10045-10054. [PMID: 36417323 DOI: 10.1021/acs.jpcb.2c06330] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Abstract
Despite recent experiments and simulations suggesting that small-molecule inhibitors and some post-translational modifications (e.g., glycosylation and ubiquitination) can suppress the pathogenic aggregation of proteins due to steric hindrance, the effect of steric hindrance on amyloid formation has not been systematically studied. Based on Monte Carlo simulations using a coarse-grained model for amyloidogenic proteins and a hard sphere acting as steric hindrance, we investigated how steric hindrance on proteins could affect amyloid formation, particularly two steps of primary nucleation, namely, oligomerization and conformational conversion into a β-sheet-enriched nucleus. We found that steric spheres played an inhibitory role in oligomerization with the effect proportional to the sphere radius RS, which we attributed to the decline in the nonspecific attractions between proteins. During the second step, small steric spheres facilitated the conformational conversion of proteins while large ones suppressed the conversion. The overall steric effect on amyloid nucleation was inhibitory regardless of RS. As RS increased, oligomeric assemblies changed from amorphous into sheet-like, structurally ordered species, reminiscent of the structure of amyloid fibrils. The oligomers with large RS were off-pathway with their ordered structures induced by the competition between steric hindrance and nonspecific attractions of soluble proteins. Interestingly, the equimolar mixture of proteins with and without steric hindrance amplified the sterically inhibitory effect by increasing the energy barrier of protein's conformational conversion. The physical mechanisms and biological implications of the above results are discussed. Our findings improve the current understanding of how nature regulates protein aggregation and amyloid formation by steric hindrance.
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Affiliation(s)
- Kai Wu
- Department of Engineering Mechanics, Zhejiang University, Hangzhou 310027, People's Republic of China.,School of Physical Sciences, University of Chinese Academy of Sciences, Beijing 100049, China.,Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou 325001, China.,Department of Cancer Biology, University of Cincinnati College of Medicine, Cincinnati, Ohio 45267, United States of America
| | - Wuxuepeng Sun
- Department of Engineering Mechanics, Zhejiang University, Hangzhou 310027, People's Republic of China
| | - Dechang Li
- Department of Engineering Mechanics, Zhejiang University, Hangzhou 310027, People's Republic of China
| | - Jiajie Diao
- Department of Cancer Biology, University of Cincinnati College of Medicine, Cincinnati, Ohio 45267, United States of America
| | - Peng Xiu
- Department of Engineering Mechanics, Zhejiang University, Hangzhou 310027, People's Republic of China
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The Potential Roles of Post-Translational Modifications of PPARγ in Treating Diabetes. Biomolecules 2022; 12:biom12121832. [PMID: 36551260 PMCID: PMC9775095 DOI: 10.3390/biom12121832] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2022] [Revised: 12/04/2022] [Accepted: 12/06/2022] [Indexed: 12/13/2022] Open
Abstract
The number of patients with type 2 diabetes mellitus (T2DM), which is mainly characterized by insulin resistance and insulin secretion deficiency, has been soaring in recent years. Accompanied by many other metabolic syndromes, such as cardiovascular diseases, T2DM represents a big challenge to public health and economic development. Peroxisome proliferator-activated receptor γ (PPARγ), a ligand-activated nuclear receptor that is critical in regulating glucose and lipid metabolism, has been developed as a powerful drug target for T2DM, such as thiazolidinediones (TZDs). Despite thiazolidinediones (TZDs), a class of PPARγ agonists, having been proven to be potent insulin sensitizers, their use is restricted in the treatment of diabetes for their adverse effects. Post-translational modifications (PTMs) have shed light on the selective activation of PPARγ, which shows great potential to circumvent TZDs' side effects while maintaining insulin sensitization. In this review, we will focus on the potential effects of PTMs of PPARγ on treating T2DM in terms of phosphorylation, acetylation, ubiquitination, SUMOylation, O-GlcNAcylation, and S-nitrosylation. A better understanding of PTMs of PPARγ will help to design a new generation of safer compounds targeting PPARγ to treat type 2 diabetes.
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43
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Sanz‐Martínez I, García‐García A, Tejero T, Hurtado‐Guerrero R, Merino P. The Essential Role of Water Molecules in the Reaction Mechanism of Protein O-Fucosyltransferase 2. Angew Chem Int Ed Engl 2022; 61:e202213610. [PMID: 36260536 PMCID: PMC9828666 DOI: 10.1002/anie.202213610] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2022] [Indexed: 11/11/2022]
Abstract
Protein O-fucosyltransferase 2 (PoFUT2) is an inverting glycosyltransferase (GT) that fucosylates thrombospondin repeats (TSRs) from group 1 and 2. PoFUT2 recognizes a large and diverse number of TSRs through a dynamic network of water-mediated interactions. By X-ray structural studies of C. elegans PoFUT2 complexed to a TSR of group 2, we demonstrate that this GT recognizes similarly the 3D structure of TSRs from both groups 1 and 2. Its active site is highly exposed to the solvent, suggesting that water molecules might also play an essential role in the fucosylation mechanism. We applied QM/MM methods using human PoFUT2 as a model, and found that HsPoFUT2 follows a classical SN 2 reaction mechanism in which water molecules contribute to a great extent in facilitating the release of the leaving pyrophosphate unit, causing the H transfer from the acceptor nucleophile (Thr/Ser) to the catalytic base, which is the last event in the reaction. This demonstrates the importance of water molecules not only in recognition of the ligands but also in catalysis.
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Affiliation(s)
- Ignacio Sanz‐Martínez
- Instituto de Biocomputación y Física de Sistemas Complejos (BIFI).Universidad de Zaragoza50018ZaragozaSpain
| | - Ana García‐García
- Instituto de Biocomputación y Física de Sistemas Complejos (BIFI).Universidad de Zaragoza50018ZaragozaSpain
| | - Tomás Tejero
- Instituto de Síntesis Química y Catálisis Homogénea (ISQCH).Universidad de Zaragoza-CSIC50009ZaragozaSpain
| | - Ramón Hurtado‐Guerrero
- Instituto de Biocomputación y Física de Sistemas Complejos (BIFI).Universidad de Zaragoza50018ZaragozaSpain,Copenhagen Center for GlycomicsDepartment of Cellular and Molecular MedicineUniversity of CopenhagenCopenhagenDK-2200Denmark,Fundación ARAIDZaragoza50018Spain
| | - Pedro Merino
- Instituto de Biocomputación y Física de Sistemas Complejos (BIFI).Universidad de Zaragoza50018ZaragozaSpain
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Kirkpatrick LT, Daughtry MR, El-Kadi S, Shi TH, Gerrard DE. O-GlcNAcylation is a gatekeeper of porcine myogenesis. J Anim Sci 2022; 100:skac326. [PMID: 36219104 PMCID: PMC9683508 DOI: 10.1093/jas/skac326] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2022] [Accepted: 10/10/2022] [Indexed: 11/14/2022] Open
Abstract
Although it has long been known that growth media withdrawal is a prerequisite for myoblast differentiation and fusion, the underpinning molecular mechanism remains somewhat elusive. Using isolated porcine muscle satellite cells (SCs) as the model, we show elevated O-GlcNAcylation by O-GlcNAcase (OGA) inhibition impaired SC differentiation (D5 P < 0.0001) but had unnoticeable impacts on SC proliferation. To explore the mechanism of this phenotype, we examined the expression of the transcription factor myogenin, a master switch of myogenesis, and found its expression was downregulated by elevated O-GlcNAcylation. Because insulin/IGF-1/Akt axis is a strong promoter of myoblast fusion, we measured the phosphorylated Akt and found that hyper O-GlcNAcylation inhibited Akt phosphorylation, implying OGA inhibition may also work through interfering with this critical differentiation-promoting pathway. In contrast, inhibition of O-GlcNAc transferase (OGT) by its specific inhibitor had little impact on either myoblast proliferation or differentiation (P > 0.05). To confirm these in vitro findings, we used chemical-induced muscle injury in the pig as a model to study muscle regenerative myogenesis and showed how O-GlcNAcylation functions in this process. We show a significant decrease in muscle fiber cross sectional area (CSA) when OGA is inhibited (P < 0.05), compared to nondamaged muscle, and a significant decrease compared to control and OGT inhibited muscle (P < 0.05), indicating a significant impairment in porcine muscle regeneration in vivo. Together, the in vitro and in vivo data suggest that O-GlcNAcylation may serve as a nutrient sensor during SC differentiation by gauging cellular nutrient availability and translating these signals into cellular responses. Given the importance of nutrition availability in lean muscle growth, our findings may have significant implications on how muscle growth is regulated in agriculturally important animals.
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Affiliation(s)
- Laila T Kirkpatrick
- School of Animal Sciences, Virginia Polytechnic Institute and State University, Blacksburg, VA 24061, USA
| | - Morgan R Daughtry
- School of Animal Sciences, Virginia Polytechnic Institute and State University, Blacksburg, VA 24061, USA
| | - Samer El-Kadi
- School of Animal Sciences, Virginia Polytechnic Institute and State University, Blacksburg, VA 24061, USA
| | - Tim Hao Shi
- School of Animal Sciences, Virginia Polytechnic Institute and State University, Blacksburg, VA 24061, USA
| | - David E Gerrard
- School of Animal Sciences, Virginia Polytechnic Institute and State University, Blacksburg, VA 24061, USA
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45
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Protein O-GlcNAcylation in Metabolic Modulation of Skeletal Muscle: A Bright but Long Way to Go. Metabolites 2022; 12:metabo12100888. [DOI: 10.3390/metabo12100888] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2022] [Revised: 09/09/2022] [Accepted: 09/17/2022] [Indexed: 11/16/2022] Open
Abstract
O-GlcNAcylation is an atypical, dynamic and reversible O-glycosylation that is critical and abundant in metazoan. O-GlcNAcylation coordinates and receives various signaling inputs such as nutrients and stresses, thus spatiotemporally regulating the activity, stability, localization and interaction of target proteins to participate in cellular physiological functions. Our review discusses in depth the involvement of O-GlcNAcylation in the precise regulation of skeletal muscle metabolism, such as glucose homeostasis, insulin sensitivity, tricarboxylic acid cycle and mitochondrial biogenesis. The complex interaction and precise modulation of O-GlcNAcylation in these nutritional pathways of skeletal muscle also provide emerging mechanical information on how nutrients affect health, exercise and disease. Meanwhile, we explored the potential role of O-GlcNAcylation in skeletal muscle pathology and focused on its benefits in maintaining proteostasis under atrophy. In general, these understandings of O-GlcNAcylation are conducive to providing new insights into skeletal muscle (patho) physiology.
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46
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Lin S, Tan Z, Cui H, Ma Q, Zhao X, Wu J, Dai L, Kang H, Guan F, Dai Z. Identification of glycogene signature as a tool to predict the clinical outcome and immunotherapy response in breast cancer. Front Oncol 2022; 12:854284. [PMID: 36185271 PMCID: PMC9515430 DOI: 10.3389/fonc.2022.854284] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2022] [Accepted: 08/26/2022] [Indexed: 11/13/2022] Open
Abstract
Background Breast cancer is one of the most important diseases in women around the world. Glycosylation modification correlates with carcinogenesis and roles of glycogenes in the clinical outcome and immune microenvironment of breast cancer are unclear. Methods A total of 1297 breast cancer and normal cases in the TCGA and GTEx databases were enrolled and the transcriptional and survival information were extracted to identify prognostic glycogenes using Univariate Cox, LASSO regression, Multivariate Cox analyses and Kaplan-Meier method. The immune infiltration pattern was explored by the single sample gene set enrichment method. The HLA and immune checkpoint genes expression were also compared in different risk groups. The expressions of a glycogene MGAT5 as well as its products were validated by immunohistochemistry and western blotting in breast cancer tissues and cells. Results A 19-glycogene signature was identified to separate breast cancer patients into high- and low-risk groups with distinct overall survival rates (P < 0.001). Compared with the high-risk group, proportion of naive B cells, plasma cells and CD8+ T cells increased in the low-risk group (P < 0.001). Besides, expressions of HLA and checkpoint genes, such as CD274, CTLA4, LAG3 and TIGIT3, were upregulated in low-risk group. Additionally, highly expressed MGAT5 was validated in breast cancer tissues and cells. Downstream glycosylation products of MGAT5 were all increased in breast cancer. Conclusions We identified a 19-glycogene signature for risk prediction of breast cancer patients. Patients in the low-risk group demonstrated a higher immune infiltration and better immunotherapy response. The validation of MGAT5 protein suggests a probable pathway and target for the development and treatment of breast cancer.
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Affiliation(s)
- Shuai Lin
- Department of Oncology, The Second Affiliated Hospital of Xi’an Jiaotong University, Xi’an, China
| | - Zengqi Tan
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, Joint International Research Laboratory of Glycobiology and Medicinal Chemistry, College of Life Sciences, Northwest University, Xi’an, China
| | - Hanxiao Cui
- Department of Oncology, The Second Affiliated Hospital of Xi’an Jiaotong University, Xi’an, China
| | - Qilong Ma
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, Joint International Research Laboratory of Glycobiology and Medicinal Chemistry, College of Life Sciences, Northwest University, Xi’an, China
| | - Xuyan Zhao
- Department of Oncology, The Second Affiliated Hospital of Xi’an Jiaotong University, Xi’an, China
| | - Jianhua Wu
- Department of Oncology, The Second Affiliated Hospital of Xi’an Jiaotong University, Xi’an, China
| | - Luyao Dai
- Department of Oncology, The Second Affiliated Hospital of Xi’an Jiaotong University, Xi’an, China
| | - Huafeng Kang
- Department of Oncology, The Second Affiliated Hospital of Xi’an Jiaotong University, Xi’an, China
| | - Feng Guan
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, Joint International Research Laboratory of Glycobiology and Medicinal Chemistry, College of Life Sciences, Northwest University, Xi’an, China
- *Correspondence: Feng Guan, ; Zhijun Dai,
| | - Zhijun Dai
- Department of Oncology, The Second Affiliated Hospital of Xi’an Jiaotong University, Xi’an, China
- Department of Breast Surgery, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China
- *Correspondence: Feng Guan, ; Zhijun Dai,
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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:cells11111789. [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
- Correspondence: (B.X.); (S.-Z.L.)
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48
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Landrieu I, Dupré E, Sinnaeve D, El Hajjar L, Smet-Nocca C. Deciphering the Structure and Formation of Amyloids in Neurodegenerative Diseases With Chemical Biology Tools. Front Chem 2022; 10:886382. [PMID: 35646824 PMCID: PMC9133342 DOI: 10.3389/fchem.2022.886382] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2022] [Accepted: 04/20/2022] [Indexed: 11/24/2022] Open
Abstract
Protein aggregation into highly ordered, regularly repeated cross-β sheet structures called amyloid fibrils is closely associated to human disorders such as neurodegenerative diseases including Alzheimer's and Parkinson's diseases, or systemic diseases like type II diabetes. Yet, in some cases, such as the HET-s prion, amyloids have biological functions. High-resolution structures of amyloids fibrils from cryo-electron microscopy have very recently highlighted their ultrastructural organization and polymorphisms. However, the molecular mechanisms and the role of co-factors (posttranslational modifications, non-proteinaceous components and other proteins) acting on the fibril formation are still poorly understood. Whether amyloid fibrils play a toxic or protective role in the pathogenesis of neurodegenerative diseases remains to be elucidated. Furthermore, such aberrant protein-protein interactions challenge the search of small-molecule drugs or immunotherapy approaches targeting amyloid formation. In this review, we describe how chemical biology tools contribute to new insights on the mode of action of amyloidogenic proteins and peptides, defining their structural signature and aggregation pathways by capturing their molecular details and conformational heterogeneity. Challenging the imagination of scientists, this constantly expanding field provides crucial tools to unravel mechanistic detail of amyloid formation such as semisynthetic proteins and small-molecule sensors of conformational changes and/or aggregation. Protein engineering methods and bioorthogonal chemistry for the introduction of protein chemical modifications are additional fruitful strategies to tackle the challenge of understanding amyloid formation.
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Affiliation(s)
- Isabelle Landrieu
- University Lille, Inserm, CHU Lille, Institut Pasteur de Lille, U1167 - RID-AGE - Risk Factors and Molecular Determinants of Aging-Related Diseases, Lille, France
- CNRS EMR9002 Integrative Structural Biology, Lille, France
| | - Elian Dupré
- University Lille, Inserm, CHU Lille, Institut Pasteur de Lille, U1167 - RID-AGE - Risk Factors and Molecular Determinants of Aging-Related Diseases, Lille, France
- CNRS EMR9002 Integrative Structural Biology, Lille, France
| | - Davy Sinnaeve
- University Lille, Inserm, CHU Lille, Institut Pasteur de Lille, U1167 - RID-AGE - Risk Factors and Molecular Determinants of Aging-Related Diseases, Lille, France
- CNRS EMR9002 Integrative Structural Biology, Lille, France
| | - Léa El Hajjar
- University Lille, Inserm, CHU Lille, Institut Pasteur de Lille, U1167 - RID-AGE - Risk Factors and Molecular Determinants of Aging-Related Diseases, Lille, France
- CNRS EMR9002 Integrative Structural Biology, Lille, France
| | - Caroline Smet-Nocca
- University Lille, Inserm, CHU Lille, Institut Pasteur de Lille, U1167 - RID-AGE - Risk Factors and Molecular Determinants of Aging-Related Diseases, Lille, France
- CNRS EMR9002 Integrative Structural Biology, Lille, France
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Dou WT, Han HH, Sedgwick AC, Zhu GB, Zang Y, Yang XR, Yoon J, James TD, Li J, He XP. Fluorescent probes for the detection of disease-associated biomarkers. Sci Bull (Beijing) 2022; 67:853-878. [PMID: 36546238 DOI: 10.1016/j.scib.2022.01.014] [Citation(s) in RCA: 57] [Impact Index Per Article: 28.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2021] [Revised: 12/30/2021] [Accepted: 01/04/2022] [Indexed: 01/10/2023]
Abstract
Fluorescent probes have emerged as indispensable chemical tools to the field of chemical biology and medicine. The ability to detect intracellular species and monitor physiological processes has not only advanced our knowledge in biology but has provided new approaches towards disease diagnosis. In this review, we detail the design criteria and strategies for some recently reported fluorescent probes that can detect a wide range of biologically important species in cells and in vivo. In doing so, we highlight the importance of each biological species and their role in biological systems and for disease progression. We then discuss the current problems and challenges of existing technologies and provide our perspective on the future directions of the research area. Overall, we hope this review will provide inspiration for researchers and prove as useful guide for the development of the next generation of fluorescent probes.
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Affiliation(s)
- Wei-Tao Dou
- Key Laboratory for Advanced Materials and Joint International Research Laboratory of Precision Chemistry and Molecular Engineering, Feringa Nobel Prize Scientist Joint Research Center, Frontiers Center for Materiobiology and Dynamic Chemistry, School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai 200237, China
| | - Hai-Hao Han
- Key Laboratory for Advanced Materials and Joint International Research Laboratory of Precision Chemistry and Molecular Engineering, Feringa Nobel Prize Scientist Joint Research Center, Frontiers Center for Materiobiology and Dynamic Chemistry, School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai 200237, China
| | - Adam C Sedgwick
- Department of Chemistry, The University of Texas at Austin, Austin, TX 78712-1224, USA
| | - Guo-Biao Zhu
- Key Laboratory for Advanced Materials and Joint International Research Laboratory of Precision Chemistry and Molecular Engineering, Feringa Nobel Prize Scientist Joint Research Center, Frontiers Center for Materiobiology and Dynamic Chemistry, School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai 200237, China
| | - Yi Zang
- National Center for Drug Screening, State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
| | - Xin-Rong Yang
- Department of Liver Surgery & Transplantation, Liver Cancer Institute, Zhongshan Hospital, Fudan University, Key Laboratory of Carcinogenesis and Cancer Invasion, Ministry of Education, Shanghai 200032, China.
| | - Juyoung Yoon
- Department of Chemistry and Nanoscience, Ewha Womans University, Seoul 03760, Republic of Korea.
| | - Tony D James
- Department of Chemistry, University of Bath, Bath BA2 7AY, UK; School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang 453007, China.
| | - Jia Li
- National Center for Drug Screening, State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China.
| | - Xiao-Peng He
- Key Laboratory for Advanced Materials and Joint International Research Laboratory of Precision Chemistry and Molecular Engineering, Feringa Nobel Prize Scientist Joint Research Center, Frontiers Center for Materiobiology and Dynamic Chemistry, School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai 200237, China.
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50
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Dao Y, Dong W, Zhang J, Dong S. Synthesis of PNGase-resistant N-glycopeptide containing an α-anomeric glycosidic linkage. J Carbohydr Chem 2022. [DOI: 10.1080/07328303.2022.2027434] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Affiliation(s)
- Yuankun Dao
- State Key Laboratory of Natural and Biomimetic Drugs, Chemical Biology Center, School of Pharmaceutical Sciences, Peking University, Beijing, China
| | - Weidong Dong
- State Key Laboratory of Natural and Biomimetic Drugs, Chemical Biology Center, School of Pharmaceutical Sciences, Peking University, Beijing, China
| | - Jun Zhang
- State Key Laboratory of Natural and Biomimetic Drugs, Chemical Biology Center, School of Pharmaceutical Sciences, Peking University, Beijing, China
| | - Suwei Dong
- State Key Laboratory of Natural and Biomimetic Drugs, Chemical Biology Center, School of Pharmaceutical Sciences, Peking University, Beijing, China
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