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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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2
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Hinshaw DC, Patel M, Shevde LA. A Metabolic Axis of Immune Intractability. Cancer Immunol Res 2024; 12:282-286. [PMID: 38126910 DOI: 10.1158/2326-6066.cir-23-0433] [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: 05/25/2023] [Revised: 07/28/2023] [Accepted: 11/14/2023] [Indexed: 11/22/2023]
Abstract
Immune cells in the tumor niche robustly influence disease progression. Remarkably, in cancer, developmental pathways are reenacted. Many parallels between immune regulation of embryonic development and immune regulation of tumor progression can be drawn, with evidence clearly supporting an immune-suppressive microenvironment in both situations. In these ecosystems, metabolic and bioenergetic circuits guide and regulate immune cell differentiation, plasticity, and functional properties of suppressive and inflammatory immune subsets. As such, there is an emerging pattern of intersection across the dynamic process of ontogeny and the ever-evolving tumor neighborhood. In this article, we focus on the convergence of immune programming during ontogeny and in the tumor microenvironment. Exemplifying dysregulation of Hedgehog (Hh) activity, a key player during ontogeny, we highlight a critical convergence of these fields and the metabolic axis of the nutrient sensing hexosamine biosynthetic pathway (HBP) that integrates glucose, glutamine, amino acids, acetyl CoA, and uridine-5'-triphosphate (UTP), culminating in the synthesis of UDP-GlcNAc, a metabolite that functions as a metabolic and bioenergetic sensor. We discuss an emerging pattern of immune regulation, orchestrated by O-GlcNAcylation of key transcriptional regulators, spurring suppressive activity of dysfunctional immune cells in the tumor microenvironment.
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Affiliation(s)
- Dominique C Hinshaw
- Department of Pathology, University of Alabama at Birmingham, Birmingham, Alabama
| | - Meet Patel
- Department of Pathology, University of Alabama at Birmingham, Birmingham, Alabama
| | - Lalita A Shevde
- Department of Pathology, University of Alabama at Birmingham, Birmingham, Alabama
- O'Neal Comprehensive Cancer Center, University of Alabama at Birmingham, Birmingham, Alabama
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3
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Mackiewicz J, Lisek M, Boczek T. Targeting CaN/NFAT in Alzheimer's brain degeneration. Front Immunol 2023; 14:1281882. [PMID: 38077352 PMCID: PMC10701682 DOI: 10.3389/fimmu.2023.1281882] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2023] [Accepted: 11/06/2023] [Indexed: 12/18/2023] Open
Abstract
Alzheimer's disease (AD) is a neurodegenerative disorder characterized by a progressive loss of cognitive functions. While the exact causes of this debilitating disorder remain elusive, numerous investigations have characterized its two core pathologies: the presence of β-amyloid plaques and tau tangles. Additionally, multiple studies of postmortem brain tissue, as well as results from AD preclinical models, have consistently demonstrated the presence of a sustained inflammatory response. As the persistent immune response is associated with neurodegeneration, it became clear that it may also exacerbate other AD pathologies, providing a link between the initial deposition of β-amyloid plaques and the later development of neurofibrillary tangles. Initially discovered in T cells, the nuclear factor of activated T-cells (NFAT) is one of the main transcription factors driving the expression of inflammatory genes and thus regulating immune responses. NFAT-dependent production of inflammatory mediators is controlled by Ca2+-dependent protein phosphatase calcineurin (CaN), which dephosphorylates NFAT and promotes its transcriptional activity. A substantial body of evidence has demonstrated that aberrant CaN/NFAT signaling is linked to several pathologies observed in AD, including neuronal apoptosis, synaptic deficits, and glia activation. In view of this, the role of NFAT isoforms in AD has been linked to disease progression at different stages, some of which are paralleled to diminished cognitive status. The use of classical inhibitors of CaN/NFAT signaling, such as tacrolimus or cyclosporine, or adeno-associated viruses to specifically inhibit astrocytic NFAT activation, has alleviated some symptoms of AD by diminishing β-amyloid neurotoxicity and neuroinflammation. In this article, we discuss the recent findings related to the contribution of CaN/NFAT signaling to the progression of AD and highlight the possible benefits of targeting this pathway in AD treatment.
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Affiliation(s)
| | | | - Tomasz Boczek
- Department of Molecular Neurochemistry, Medical University of Lodz, Lodz, Poland
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4
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Cai H, Xiong W, Zhu H, Wang Q, Liu S, Lu Z. Protein O-GlcNAcylation in multiple immune cells and its therapeutic potential. Front Immunol 2023; 14:1209970. [PMID: 37675125 PMCID: PMC10477433 DOI: 10.3389/fimmu.2023.1209970] [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: 04/21/2023] [Accepted: 08/07/2023] [Indexed: 09/08/2023] Open
Abstract
O-GlcNAcylation is a post-translational modification of proteins that involves the addition of O-GlcNAc to serine or threonine residues of nuclear or cytoplasmic proteins, catalyzed by O-GlcNAc transferase (OGT). This modification is highly dynamic and can be reversed by O-GlcNAcase (OGA). O-GlcNAcylation is widespread in the immune system, which engages in multiple physiologic and pathophysiologic processes. There is substantial evidence indicating that both the hexosamine biosynthesis pathway (HBP) and O-GlcNAcylation are critically involved in regulating immune cell function. However, the precise role of O-GlcNAcylation in the immune system needs to be adequately elucidated. This review offers a thorough synopsis of the present research on protein O-GlcNAcylation, accentuating the molecular mechanisms that control immune cells' growth, maturation, and performance via this PTM.
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Affiliation(s)
- Huanhuan Cai
- Department of Cardiology, Zhongnan Hospital of Wuhan University, Wuhan, China
- Institute of Myocardial Injury and Repair, Wuhan University, Wuhan, China
| | - Wei Xiong
- Department of Cardiology, Zhongnan Hospital of Wuhan University, Wuhan, China
- Institute of Myocardial Injury and Repair, Wuhan University, Wuhan, China
| | - Haoyan Zhu
- Department of Cardiology, Zhongnan Hospital of Wuhan University, Wuhan, China
- Institute of Myocardial Injury and Repair, Wuhan University, Wuhan, China
| | - Qiongxin Wang
- Department of Cardiology, Zhongnan Hospital of Wuhan University, Wuhan, China
- Institute of Myocardial Injury and Repair, Wuhan University, Wuhan, China
| | - Shi Liu
- State Key Laboratory of Virology, Modern Virology Research Center, College of Life Sciences, Wuhan University, Wuhan, China
| | - Zhibing Lu
- Department of Cardiology, Zhongnan Hospital of Wuhan University, Wuhan, China
- Institute of Myocardial Injury and Repair, Wuhan University, Wuhan, China
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Shin H, Leung A, Costello KR, Senapati P, Kato H, Moore RE, Lee M, Lin D, Tang X, Pirrotte P, Bouman Chen Z, Schones DE. Inhibition of DNMT1 methyltransferase activity via glucose-regulated O-GlcNAcylation alters the epigenome. eLife 2023; 12:e85595. [PMID: 37470704 PMCID: PMC10390045 DOI: 10.7554/elife.85595] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2022] [Accepted: 07/19/2023] [Indexed: 07/21/2023] Open
Abstract
The DNA methyltransferase activity of DNMT1 is vital for genomic maintenance of DNA methylation. We report here that DNMT1 function is regulated by O-GlcNAcylation, a protein modification that is sensitive to glucose levels, and that elevated O-GlcNAcylation of DNMT1 from high glucose environment leads to alterations to the epigenome. Using mass spectrometry and complementary alanine mutation experiments, we identified S878 as the major residue that is O-GlcNAcylated on human DNMT1. Functional studies in human and mouse cells further revealed that O-GlcNAcylation of DNMT1-S878 results in an inhibition of methyltransferase activity, resulting in a general loss of DNA methylation that preferentially occurs at partially methylated domains (PMDs). This loss of methylation corresponds with an increase in DNA damage and apoptosis. These results establish O-GlcNAcylation of DNMT1 as a mechanism through which the epigenome is regulated by glucose metabolism and implicates a role for glycosylation of DNMT1 in metabolic diseases characterized by hyperglycemia.
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Affiliation(s)
- Heon Shin
- Department of Diabetes Complications and Metabolism, Beckman Research Institute, City of HopeDuarteUnited States
| | - Amy Leung
- Department of Diabetes Complications and Metabolism, Beckman Research Institute, City of HopeDuarteUnited States
| | - Kevin R Costello
- Department of Diabetes Complications and Metabolism, Beckman Research Institute, City of HopeDuarteUnited States
- Irell and Manella Graduate School of Biological Sciences, City of HopeDuarteUnited States
| | - Parijat Senapati
- Department of Diabetes Complications and Metabolism, Beckman Research Institute, City of HopeDuarteUnited States
| | - Hiroyuki Kato
- Department of Diabetes Complications and Metabolism, Beckman Research Institute, City of HopeDuarteUnited States
| | - Roger E Moore
- Integrated Mass Spectrometry Shared Resource, City of Hope Comprehensive Cancer Center DuarteDuarteUnited States
| | - Michael Lee
- Department of Diabetes Complications and Metabolism, Beckman Research Institute, City of HopeDuarteUnited States
- Irell and Manella Graduate School of Biological Sciences, City of HopeDuarteUnited States
| | - Dimitri Lin
- Department of Diabetes Complications and Metabolism, Beckman Research Institute, City of HopeDuarteUnited States
| | - Xiaofang Tang
- Department of Diabetes Complications and Metabolism, Beckman Research Institute, City of HopeDuarteUnited States
| | - Patrick Pirrotte
- Department of Diabetes Complications and Metabolism, Beckman Research Institute, City of HopeDuarteUnited States
- Integrated Mass Spectrometry Shared Resource, City of Hope Comprehensive Cancer Center DuarteDuarteUnited States
- Cancer & Cell Biology Division, Translational Genomics Research InstitutePhoenixUnited States
| | - Zhen Bouman Chen
- Department of Diabetes Complications and Metabolism, Beckman Research Institute, City of HopeDuarteUnited States
- Irell and Manella Graduate School of Biological Sciences, City of HopeDuarteUnited States
| | - Dustin E Schones
- Department of Diabetes Complications and Metabolism, Beckman Research Institute, City of HopeDuarteUnited States
- Irell and Manella Graduate School of Biological Sciences, City of HopeDuarteUnited States
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6
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Dong X, Shu L, Zhang J, Yang X, Cheng X, Zhao X, Qu W, Zhu Q, Shou Y, Peng G, Sun B, Yi W, Shu Q, Li X. Ogt-mediated O-GlcNAcylation inhibits astrocytes activation through modulating NF-κB signaling pathway. J Neuroinflammation 2023; 20:146. [PMID: 37349834 DOI: 10.1186/s12974-023-02824-8] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2022] [Accepted: 06/05/2023] [Indexed: 06/24/2023] Open
Abstract
Previous studies have shown that Ogt-mediated O-GlcNAcylation is essential for neuronal development and function. However, the function of O-GlcNAc transferase (Ogt) and O-GlcNAcylation in astrocytes remains largely unknown. Here we show that Ogt deficiency induces inflammatory activation of astrocytes in vivo and in vitro, and impairs cognitive function of mice. The restoration of O-GlcNAcylation via GlcNAc supplementation inhibits the activation of astrocytes, inflammation and improves the impaired cognitive function of Ogt deficient mice. Mechanistically, Ogt interacts with NF-κB p65 and catalyzes the O-GlcNAcylation of NF-κB p65 in astrocytes. Ogt deficiency induces the activation of NF-κB signaling pathway by promoting Gsk3β binding. Moreover, Ogt depletion induces the activation of astrocytes derived from human induced pluripotent stem cells. The restoration of O-GlcNAcylation inhibits the activation of astrocytes, inflammation and reduces Aβ plaque of AD mice in vitro and in vivo. Collectively, our study reveals a critical function of Ogt-mediated O-GlcNAcylation in astrocytes through regulating NF-κB signaling pathway.
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Affiliation(s)
- Xiaoxue Dong
- The Children's Hospital, National Clinical Research Center for Child Health, School of Medicine, Zhejiang University, Hangzhou, 310052, China
- The Institute of Translational Medicine, School of Medicine, Zhejiang University, Hangzhou, 310029, China
| | - Liqi Shu
- Department of Neurology, The Warren Alpert Medical School of Brown University, Providence, RI, 02908, USA
| | - Jinyu Zhang
- The Children's Hospital, National Clinical Research Center for Child Health, School of Medicine, Zhejiang University, Hangzhou, 310052, China
- The Institute of Translational Medicine, School of Medicine, Zhejiang University, Hangzhou, 310029, China
| | - Xu Yang
- The Children's Hospital, National Clinical Research Center for Child Health, School of Medicine, Zhejiang University, Hangzhou, 310052, China
- The Institute of Translational Medicine, School of Medicine, Zhejiang University, Hangzhou, 310029, China
| | - Xuejun Cheng
- The Children's Hospital, National Clinical Research Center for Child Health, School of Medicine, Zhejiang University, Hangzhou, 310052, China
| | - Xingsen Zhao
- The Children's Hospital, National Clinical Research Center for Child Health, School of Medicine, Zhejiang University, Hangzhou, 310052, China
- The Institute of Translational Medicine, School of Medicine, Zhejiang University, Hangzhou, 310029, China
| | - Wenzheng Qu
- The Children's Hospital, National Clinical Research Center for Child Health, School of Medicine, Zhejiang University, Hangzhou, 310052, China
| | - Qiang Zhu
- MOE Key Laboratory of Biosystems Homeostasis & Protection, College of Life Sciences, Zhejiang University, Hangzhou, 310058, China
| | - Yikai Shou
- The Children's Hospital, National Clinical Research Center for Child Health, School of Medicine, Zhejiang University, Hangzhou, 310052, China
| | - Guoping Peng
- The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310058, China
| | - Binggui Sun
- The Children's Hospital, National Clinical Research Center for Child Health, School of Medicine, Zhejiang University, Hangzhou, 310052, China.
- NHC and CAMS Key Laboratory of Medical Neurobiology, School of Brain Science and Brain Medicine, Zhejiang University, Hangzhou, 310058, Zhejiang, China.
| | - Wen Yi
- MOE Key Laboratory of Biosystems Homeostasis & Protection, College of Life Sciences, Zhejiang University, Hangzhou, 310058, China.
| | - Qiang Shu
- The Children's Hospital, National Clinical Research Center for Child Health, School of Medicine, Zhejiang University, Hangzhou, 310052, China.
| | - Xuekun Li
- The Children's Hospital, National Clinical Research Center for Child Health, School of Medicine, Zhejiang University, Hangzhou, 310052, China.
- The Institute of Translational Medicine, School of Medicine, Zhejiang University, Hangzhou, 310029, China.
- Zhejiang University Cancer Center, Zhejiang University, Hangzhou, 310029, China.
- Binjiang Institute of Zhejiang University, Hangzhou, 310053, China.
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7
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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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8
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Ahluwalia B, Magnusson MK, Larsson F, Savolainen O, Ross AB, Öhman L. Differences in Metabolite Composition of Aloe barbadensis Mill. Extracts Lead to Differential Effects on Human Blood T Cell Activity In Vitro. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27196643. [PMID: 36235182 PMCID: PMC9571688 DOI: 10.3390/molecules27196643] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/07/2022] [Revised: 09/28/2022] [Accepted: 10/04/2022] [Indexed: 11/06/2022]
Abstract
Aloe barbadensis Mill. (Aloe) is used for diverse therapeutic properties including immunomodulation. However, owing to the compositionally complex nature of Aloe, bioactive component(s) responsible for its beneficial properties, though thought to be attributed to polysaccharides (acemannan), remain unknown. We therefore aimed to determine the metabolite composition of various commercial Aloe extracts and assess their effects on human blood T cell activity in vitro. Peripheral blood mononuclear cells (PBMC) from healthy donors were stimulated polyclonally in presence or absence of various Aloe extracts. T cell phenotype and proliferation were investigated by flow cytometry. Aloe extracts were analyzed using targeted 1H-NMR spectroscopy for standard phytochemical quality characterization and untargeted gas chromatography mass spectrometry (GC-MS) for metabolite profiling. Aloe extracts differing in their standard phytochemical composition had varying effects on T cell activation, proliferation, apoptosis, and cell-death in vitro, although this was not related to the acemannan content. Furthermore, each Aloe extract had its own distinct metabolite profile, where extracts rich in diverse sugar and sugar-derivatives were associated with reduced T cell activity. Our results demonstrate that all commercial Aloe extracts are unique with distinct metabolite profiles, which lead to differential effects on T cell activity in vitro, independent of the acemannan content.
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Affiliation(s)
- Bani Ahluwalia
- Department of Microbiology and Immunology, Institute of Biomedicine, University of Gothenburg, 405 30 Gothenburg, Sweden
- Research and Development, Calmino Group AB, 413 46 Gothenburg, Sweden
- Correspondence:
| | - Maria K. Magnusson
- Department of Microbiology and Immunology, Institute of Biomedicine, University of Gothenburg, 405 30 Gothenburg, Sweden
| | - Fredrik Larsson
- Research and Development, Calmino Group AB, 413 46 Gothenburg, Sweden
| | - Otto Savolainen
- Chalmers Mass Spectrometry Infrastructure, Department of Biology and Biological Engineering, Chalmers University of Technology, 412 96 Gothenburg, Sweden
- Faculty of Health Sciences, Institute of Public Health and Clinical Nutrition, University of Eastern Finland, 70211 Kuopio, Finland
| | - Alastair B. Ross
- Chalmers Mass Spectrometry Infrastructure, Department of Biology and Biological Engineering, Chalmers University of Technology, 412 96 Gothenburg, Sweden
- Proteins and Metabolites Team, AgResearch, Lincoln 7674, New Zealand
| | - Lena Öhman
- Department of Microbiology and Immunology, Institute of Biomedicine, University of Gothenburg, 405 30 Gothenburg, Sweden
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9
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Zhou F, Ma J, Zhu Y, Wang T, Yang Y, Sun Y, Chen Y, Song H, Huo X, Zhang J. The role and potential mechanism of O-Glycosylation in gastrointestinal tumors. Pharmacol Res 2022; 184:106420. [PMID: 36049664 DOI: 10.1016/j.phrs.2022.106420] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/21/2022] [Revised: 08/15/2022] [Accepted: 08/26/2022] [Indexed: 10/15/2022]
Abstract
Glycosylation is a critical post-translational modification (PTM) that affects the function of proteins and regulates cell signaling, thereby regulating various biological processes. Protein oxygen-N-acetylglucosamine (O-GlcNAc) glycosylation modifications are glycochemical modifications that occur within cells in the signal transduction and are frequently found in the cytoplasm and nucleus. Due to the rapid and reversible addition and removal, O-GlcNAc modifications are able to reversibly compete with certain phosphorylation modifications, immediately regulate the activity of proteins, and participate in kinds of cellular metabolic and signal transduction pathways, playing a pivotal role in the regulation of tumors, diabetes, and other diseases. This article provided a brief overview of O-GlcNAc glycosylation modification, introduced its role in altering the progression and immune response regulation of gastrointestinal tumors, and discussed its potential use as a marker of tumor neogenesis.
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Affiliation(s)
- Feinan Zhou
- The department of Spleen and Stomach Diseases of Cadres Healthcare Centre, The First Affiliated Hospital of Anhui University of Chinese Medicine, Anhui Province 230000, China.
| | - Jia Ma
- The First Department of Oncology, The First Affiliated Hospital of Anhui University of Chinese Medicine, Anhui Province 230000, China.
| | - Yongfu Zhu
- The First Department of Oncology, The First Affiliated Hospital of Anhui University of Chinese Medicine, Anhui Province 230000, China.
| | - Tianming Wang
- Laboratory of Infection and Immunity, School of Integrated Chinese and Western Medicine, Anhui University of Chinese Medicine, Anhui Province 230000, China.
| | - Yue Yang
- Laboratory of Infection and Immunity, School of Integrated Chinese and Western Medicine, Anhui University of Chinese Medicine, Anhui Province 230000, China.
| | - Yehan Sun
- The First Department of Oncology, The First Affiliated Hospital of Anhui University of Chinese Medicine, Anhui Province 230000, China.
| | - Youmou Chen
- The First Department of Oncology, The First Affiliated Hospital of Anhui University of Chinese Medicine, Anhui Province 230000, China.
| | - Hang Song
- Department of Biochemistry and Molecular Biology, School of Integrated Chinese and Western Medicine, Anhui University of Chinese Medicine, Anhui Province 230000, China.
| | - Xingxing Huo
- Experimental Center of Clinical Research, The First Affiliated Hospital of Anhui University of Chinese Medicine, Anhui Province 230000, China.
| | - Jianye Zhang
- Key Laboratory of Molecular Target & Clinical Pharmacology and the State Key Laboratory of Respiratory Disease, School of Pharmaceutical Sciences & the Fifth Affiliated Hospital, Guangzhou Medical University, Guangdong Province 510799, China.
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10
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Dynamic changes in O-GlcNAcylation regulate osteoclast differentiation and bone loss via nucleoporin 153. Bone Res 2022; 10:51. [PMID: 35879285 PMCID: PMC9314416 DOI: 10.1038/s41413-022-00218-9] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2021] [Revised: 01/25/2022] [Accepted: 02/28/2022] [Indexed: 11/08/2022] Open
Abstract
Bone mass is maintained by the balance between osteoclast-induced bone resorption and osteoblast-triggered bone formation. In inflammatory arthritis such as rheumatoid arthritis (RA), however, increased osteoclast differentiation and activity skew this balance resulting in progressive bone loss. O-GlcNAcylation is a posttranslational modification with attachment of a single O-linked β-D-N-acetylglucosamine (O-GlcNAc) residue to serine or threonine residues of target proteins. Although O-GlcNAcylation is one of the most common protein modifications, its role in bone homeostasis has not been systematically investigated. We demonstrate that dynamic changes in O-GlcNAcylation are required for osteoclastogenesis. Increased O-GlcNAcylation promotes osteoclast differentiation during the early stages, whereas its downregulation is required for osteoclast maturation. At the molecular level, O-GlcNAcylation affects several pathways including oxidative phosphorylation and cell-cell fusion. TNFα fosters the dynamic regulation of O-GlcNAcylation to promote osteoclastogenesis in inflammatory arthritis. Targeted pharmaceutical or genetic inhibition of O-GlcNAc transferase (OGT) or O-GlcNAcase (OGA) arrests osteoclast differentiation during early stages of differentiation and during later maturation, respectively, and ameliorates bone loss in experimental arthritis. Knockdown of NUP153, an O-GlcNAcylation target, has similar effects as OGT inhibition and inhibits osteoclastogenesis. These findings highlight an important role of O-GlcNAcylation in osteoclastogenesis and may offer the potential to therapeutically interfere with pathologic bone resorption.
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11
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Nelson AR. Peripheral Pathways to Neurovascular Unit Dysfunction, Cognitive Impairment, and Alzheimer’s Disease. Front Aging Neurosci 2022; 14:858429. [PMID: 35517047 PMCID: PMC9062225 DOI: 10.3389/fnagi.2022.858429] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2022] [Accepted: 03/03/2022] [Indexed: 12/11/2022] Open
Abstract
Alzheimer’s disease (AD) is the most common form of dementia. It was first described more than a century ago, and scientists are acquiring new data and learning novel information about the disease every day. Although there are nuances and details continuously being unraveled, many key players were identified in the early 1900’s by Dr. Oskar Fischer and Dr. Alois Alzheimer, including amyloid-beta (Aβ), tau, vascular abnormalities, gliosis, and a possible role of infections. More recently, there has been growing interest in and appreciation for neurovascular unit dysfunction that occurs early in mild cognitive impairment (MCI) before and independent of Aβ and tau brain accumulation. In the last decade, evidence that Aβ and tau oligomers are antimicrobial peptides generated in response to infection has expanded our knowledge and challenged preconceived notions. The concept that pathogenic germs cause infections generating an innate immune response (e.g., Aβ and tau produced by peripheral organs) that is associated with incident dementia is worthwhile considering in the context of sporadic AD with an unknown root cause. Therefore, the peripheral amyloid hypothesis to cognitive impairment and AD is proposed and remains to be vetted by future research. Meanwhile, humans remain complex variable organisms with individual risk factors that define their immune status, neurovascular function, and neuronal plasticity. In this focused review, the idea that infections and organ dysfunction contribute to Alzheimer’s disease, through the generation of peripheral amyloids and/or neurovascular unit dysfunction will be explored and discussed. Ultimately, many questions remain to be answered and critical areas of future exploration are highlighted.
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12
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Feinberg D, Ramakrishnan P, Wong DP, Asthana A, Parameswaran R. Inhibition of O-GlcNAcylation Decreases the Cytotoxic Function of Natural Killer Cells. Front Immunol 2022; 13:841299. [PMID: 35479087 PMCID: PMC9036377 DOI: 10.3389/fimmu.2022.841299] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2021] [Accepted: 03/14/2022] [Indexed: 12/02/2022] Open
Abstract
Natural killer (NK) cells mediate killing of malignant and virus-infected cells, a property that is explored as a cell therapy approach in the clinic. Various cell intrinsic and extrinsic factors affect NK cell cytotoxic function, and an improved understanding of the mechanism regulating NK cell function is necessary to accomplish better success with NK cell therapeutics. Here, we explored the role of O-GlcNAcylation, a previously unexplored molecular mechanism regulating NK cell function. O-GlcNAcylation is a post-translational modification mediated by O-GlcNAc transferase (OGT) that adds the monosaccharide N-acetylglucosamine to serine and threonine residues on intracellular proteins and O-GlcNAcase (OGA) that removes the sugar. We found that stimulation of NK cells with the cytokines interleukin-2 (IL-2) and IL-15 results in enhanced O-GlcNAcylation of several cellular proteins. Chemical inhibition of O-GlcNAcylation using OSMI-1 was associated with a decreased expression of NK cell receptors (NKG2D, NKG2A, NKp44), cytokines [tumor necrosis factor (TNF)-α, interferon (IFN-γ)], granulysin, soluble Fas ligand, perforin, and granzyme B in NK cells. Importantly, inhibition of O-GlcNAcylation inhibited NK cell cytotoxicity against cancer cells. However, increases in O-GlcNAcylation following OGA inhibition using an OGA inhibitor or shRNA-mediated suppression did not alter NK cell cytotoxicity. Finally, we found that NK cells pretreated with OSMI-1 to inhibit O-GlcNAcylation showed compromised cytotoxic activity against tumor cells in vivo in a lymphoma xenograft mouse model. Overall, this study provides the seminal insight into the role of O-GlcNAcylation in regulating NK cell cytotoxic function.
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Affiliation(s)
- Daniel Feinberg
- Department of Pathology, Case Western Reserve University, Cleveland, OH, United States
| | - Parameswaran Ramakrishnan
- Department of Pathology, Case Western Reserve University, Cleveland, OH, United States
- Department of Biochemistry, Case Western Reserve University, Cleveland, OH, United States
- The Case Comprehensive Cancer Center, Case Western Reserve University School of Medicine, Cleveland, OH, United States
| | - Derek P Wong
- Department of Pathology, Case Western Reserve University, Cleveland, OH, United States
| | - Abhishek Asthana
- Division of Hematology/Oncology, Department of Medicine, Case Western Reserve University, Cleveland, OH, United States
| | - Reshmi Parameswaran
- The Case Comprehensive Cancer Center, Case Western Reserve University School of Medicine, Cleveland, OH, United States
- Division of Hematology/Oncology, Department of Medicine, Case Western Reserve University, Cleveland, OH, United States
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13
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Abstract
Post-translational modification with O-linked β-N-acetylglucosamine (O-GlcNAc), a process referred to as O-GlcNAcylation, occurs on a vast variety of proteins. Mounting evidence in the past several decades has clearly demonstrated that O-GlcNAcylation is a unique and ubiquitous modification. Reminiscent of a code, protein O-GlcNAcylation functions as a crucial regulator of nearly all cellular processes studied. The primary aim of this review is to summarize the developments in our understanding of myriad protein substrates modified by O-GlcNAcylation from a systems perspective. Specifically, we provide a comprehensive survey of O-GlcNAcylation in multiple species studied, including eukaryotes (e.g., protists, fungi, plants, Caenorhabditis elegans, Drosophila melanogaster, murine, and human), prokaryotes, and some viruses. We evaluate features (e.g., structural properties and sequence motifs) of O-GlcNAc modification on proteins across species. Given that O-GlcNAcylation functions in a species-, tissue-/cell-, protein-, and site-specific manner, we discuss the functional roles of O-GlcNAcylation on human proteins. We focus particularly on several classes of relatively well-characterized human proteins (including transcription factors, protein kinases, protein phosphatases, and E3 ubiquitin-ligases), with representative O-GlcNAc site-specific functions presented. We hope the systems view of the great endeavor in the past 35 years will help demystify the O-GlcNAc code and lead to more fascinating studies in the years to come.
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Affiliation(s)
- Junfeng Ma
- Department of Oncology, Lombardi Comprehensive Cancer Center, Georgetown University Medical Center, Georgetown University, Washington, DC 20057, United States
| | - Chunyan Hou
- Department of Oncology, Lombardi Comprehensive Cancer Center, Georgetown University Medical Center, Georgetown University, Washington, DC 20057, United States
| | - Ci Wu
- Department of Oncology, Lombardi Comprehensive Cancer Center, Georgetown University Medical Center, Georgetown University, Washington, DC 20057, United States
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14
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Mannino MP, Hart GW. The Beginner’s Guide to O-GlcNAc: From Nutrient Sensitive Pathway Regulation to Its Impact on the Immune System. Front Immunol 2022; 13:828648. [PMID: 35173739 PMCID: PMC8841346 DOI: 10.3389/fimmu.2022.828648] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2021] [Accepted: 01/05/2022] [Indexed: 12/27/2022] Open
Abstract
The addition of N-acetyl glucosamine (GlcNAc) on the hydroxy group of serine/threonine residues is known as O-GlcNAcylation (OGN). The dynamic cycling of this monosaccharide on and off substrates occurs via O-linked β-N-acetylglucosamine transferase (OGT) and O-linked β-N-acetylglucosaminase (OGA) respectively. These enzymes are found ubiquitously in eukaryotes and genetic knock outs of the ogt gene has been found to be lethal in embryonic mice. The substrate scope of these enzymes is vast, over 15,000 proteins across 43 species have been identified with O-GlcNAc. OGN has been known to play a key role in several cellular processes such as: transcription, translation, cell signaling, nutrient sensing, immune cell development and various steps of the cell cycle. However, its dysregulation is present in various diseases: cancer, neurodegenerative diseases, diabetes. O-GlcNAc is heavily involved in cross talk with other post-translational modifications (PTM), such as phosphorylation, acetylation, and ubiquitination, by regulating each other’s cycling enzymes or directly competing addition on the same substrate. This crosstalk between PTMs can affect gene expression, protein localization, and protein stability; therefore, regulating a multitude of cell signaling pathways. In this review the roles of OGN will be discussed. The effect O-GlcNAc exerts over protein-protein interactions, the various forms of crosstalk with other PTMs, and its role as a nutrient sensor will be highlighted. A summary of how these O-GlcNAc driven processes effect the immune system will also be included.
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15
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Chen YF, Shao GC, Li J, Yang AQ, Li J, Ye XS. O-GlcNAcylation of Blimp-1 in lymphocytes inhibits its transcriptional function and is associated with migration and invasion of breast cancer cells. Mol Cancer Res 2021; 20:650-660. [PMID: 34907035 DOI: 10.1158/1541-7786.mcr-21-0405] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2021] [Revised: 09/22/2021] [Accepted: 12/07/2021] [Indexed: 11/16/2022]
Abstract
Lymphocyte infiltration is an important feature of cancer. There is a complex network of chemokines that influence the degree and phenotype of lymphocyte infiltration, as well as the growth, survival, migration and angiogenesis of tumor cells. High heterogeneity metastasis is a major obstacle to the treatment of breast cancer. Herein, we showed that O-GlcNAcylation of B lymphocyte-induced maturation protein-1 (Blimp-1) in lymphocytes inhibited the migration and invasion of breast cancer cells. It was found that Blimp-1 O-GlcNAcylation at Ser448 and Ser472 in lymphocytes promoted its nuclear localization, and blocked the bindings to three regions upstream of the ccl3l1 promoter to inhibit its expression. Decreased expression of CCL3L1 in lymphocytes not only decreased CCR5 expression in breast cancer cells, but also inhibited the membrane localization and activation of CCR5, thus blocking the migration and invasion of breast cancer cells in vitro. Therefore, O-GlcNAcylation of Blimp-1 in lymphocytes may serve as a new target for the treatment of metastatic breast cancer. Implications: This study reveals a new mechanism by which the lymphatic system promotes breast cancer cell metastasis.
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Affiliation(s)
- Yan-Fang Chen
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences,, Peking University
| | | | - Jie Li
- Capital Normal University
| | | | | | - Xin-Shan Ye
- School of Pharmaceutical Sciences, Peking University
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16
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Weiss M, Anderluh M, Gobec M. Inhibition of O-GlcNAc Transferase Alters the Differentiation and Maturation Process of Human Monocyte Derived Dendritic Cells. Cells 2021; 10:cells10123312. [PMID: 34943826 PMCID: PMC8699345 DOI: 10.3390/cells10123312] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2021] [Revised: 11/23/2021] [Accepted: 11/23/2021] [Indexed: 11/16/2022] Open
Abstract
The O-GlcNAcylation is a posttranslational modification of proteins regulated by O-GlcNAc transferase (OGT) and O-GlcNAcase. These enzymes regulate the development, proliferation and function of cells, including the immune cells. Herein, we focused on the role of O-GlcNAcylation in human monocyte derived dendritic cells (moDCs). Our study suggests that inhibition of OGT modulates AKT and MEK/ERK pathways in moDCs. Changes were also observed in the expression levels of relevant surface markers, where reduced expression of CD80 and DC-SIGN, and increased expression of CD14, CD86 and HLA-DR occurred. We also noticed decreased IL-10 and increased IL-6 production, along with diminished endocytotic capacity of the cells, indicating that inhibition of O-GlcNAcylation hampers the transition of monocytes into immature DCs. Furthermore, the inhibition of OGT altered the maturation process of immature moDCs, since a CD14medDC-SIGNlowHLA-DRmedCD80lowCD86high profile was noticed when OGT inhibitor, OSMI-1, was present. To evaluate DCs ability to influence T cell differentiation and polarization, we co-cultured these cells. Surprisingly, the observed phenotypic changes of mature moDCs generated in the presence of OSMI-1 led to an increased proliferation of allogeneic T cells, while their polarization was not affected. Taken together, we confirm that shifting the O-GlcNAcylation status due to OGT inhibition alters the differentiation and function of moDCs in in vitro conditions.
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Affiliation(s)
- Matjaž Weiss
- The Department of Pharmaceutical Chemistry, Faculty of Pharmacy, University of Ljubljana, 1000 Ljubljana, Slovenia; (M.W.); (M.A.)
| | - Marko Anderluh
- The Department of Pharmaceutical Chemistry, Faculty of Pharmacy, University of Ljubljana, 1000 Ljubljana, Slovenia; (M.W.); (M.A.)
| | - Martina Gobec
- The Department of Clinical Biochemistry, Faculty of Pharmacy, University of Ljubljana, 1000 Ljubljana, Slovenia
- Correspondence: ; Tel.: +386-1-4769-636
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17
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Temesfői V, Molnár K, Kaltenecker P, Réger B, Szomor Á, Horváth-Szalai Z, Alizadeh H, Kajtár B, Kőszegi T, Miseta A, Nagy T, Faust Z. O-GlcNAcylation in early stages of chronic lymphocytic leukemia; protocol development for flow cytometry. Cancer Biomark 2021; 32:353-362. [PMID: 34151834 DOI: 10.3233/cbm-203049] [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: 11/15/2022]
Abstract
BACKGROUND Recent studies proved that metabolic changes in malignant disorders have an impact on protein glycosylation, however, only a few attempts have been made so far to use O-GlcNAc analysis as a prognostic tool. Glucose metabolism is reported to be altered in hematological malignancies thus, we hypothesized that monitoring intracellular O-GlcNAc levels in Rai stage 0-I (Binet A) CLL patients could give deeper insights regarding subtle metabolic changes of progression which are not completely detected by the routine follow-up procedures. OBJECTIVE In this proof of concept study we established a flow cytometric detection method for the assessment of O-GlcNAcylation as a possible prognostic marker in CLL malignancy which was supported by fluorescence microscopy. METHODS Healthy volunteers and CLL patients were recruited for this study. Lymphocytes were isolated, fixed and permeabilised by various methods to find the optimal experimental condition for O-GlcNAc detection by flow cytometry. O-GlcNAc levels were measured and compared to lymphocyte count and various blood parameters including plasma glucose level. RESULTS The protocol we developed includes red blood cell lysis, formalin fixation, 0.1% Tween 20 permeabilisation and employs standardized cell number per sample and unstained controls. We have found significant correlation between O-GlcNAc levels and WBC (R2= 0.8535, p< 0.0029) and lymphocyte count (R2= 0.9225, p< 0.0006) in CLL patients. Interestingly, there was no such correlation in healthy individuals (R2= 0.05664 for O-GlcNAc vs WBC and R2= 0.04379 for O-GlcNAc vs lymphocytes). CONCLUSION Analyzing O-GlcNAc changes in malignant disorders, specifically in malignant hematologic diseases such as CLL, could be a useful tool to monitor the progression of the disease.
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Affiliation(s)
- Viktória Temesfői
- Department of Laboratory Medicine, Medical School, University of Pécs, Pécs, Hungary.,Lab-on-a-Chip Research Group, János Szentágothai Research Center, University of Pécs, Pécs, Hungary
| | - Kinga Molnár
- Department of Laboratory Medicine, Medical School, University of Pécs, Pécs, Hungary
| | - Péter Kaltenecker
- Laboratory of Actin Cytoskeleton Regulation, Institute of Genetics, Biological Research Centre, Eötvös Loránd Research Network (ELKH), Szeged, Hungary
| | - Barbara Réger
- Department of Laboratory Medicine, Medical School, University of Pécs, Pécs, Hungary
| | - Árpád Szomor
- Division of Hematology, 1st Department of Internal Medicine, Medical School, University of Pécs, Pécs, Hungary
| | - Zoltán Horváth-Szalai
- Department of Laboratory Medicine, Medical School, University of Pécs, Pécs, Hungary
| | - Hussain Alizadeh
- Division of Hematology, 1st Department of Internal Medicine, Medical School, University of Pécs, Pécs, Hungary
| | - Béla Kajtár
- Department of Pathology, Medical School, University of Pécs, Pécs, Hungary
| | - Tamás Kőszegi
- Department of Laboratory Medicine, Medical School, University of Pécs, Pécs, Hungary.,Lab-on-a-Chip Research Group, János Szentágothai Research Center, University of Pécs, Pécs, Hungary
| | - Attila Miseta
- Department of Laboratory Medicine, Medical School, University of Pécs, Pécs, Hungary
| | - Tamás Nagy
- Department of Laboratory Medicine, Medical School, University of Pécs, Pécs, Hungary
| | - Zsuzsanna Faust
- Department of Laboratory Medicine, Medical School, University of Pécs, Pécs, Hungary.,Department of Transfusion Medicine, Medical School, University of Pécs, Pécs, Hungary
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18
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Yang D, Yang L, Cai J, Hu X, Li H, Zhang X, Zhang X, Chen X, Dong H, Nie H, Li Y. A sweet spot for macrophages: Focusing on polarization. Pharmacol Res 2021; 167:105576. [PMID: 33771700 DOI: 10.1016/j.phrs.2021.105576] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/22/2020] [Revised: 03/19/2021] [Accepted: 03/21/2021] [Indexed: 12/21/2022]
Abstract
Macrophages are a type of functionally plastic cells that can create a pro-/anti-inflammatory microenvironment for organs by producing different kinds of cytokines, chemokines, and growth factors to regulate immunity and inflammatory responses. In addition, they can also be induced to adopt different phenotypes in response to extracellular and intracellular signals, a process defined as M1/M2 polarization. Growing evidence indicates that glycobiology is closely associated with this polarization process. In this research, we review studies of the roles of glycosylation, glucose metabolism, and key lectins in the regulation of macrophages function and polarization to provide a new perspective for immunotherapies for multiple diseases.
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Affiliation(s)
- Depeng Yang
- School of Life Sciences and Technology, Harbin Institute of Technology, Harbin, Heilongjiang 150001, China
| | - Lijun Yang
- School of Life Sciences and Technology, Harbin Institute of Technology, Harbin, Heilongjiang 150001, China
| | - Jialing Cai
- Department of Pharmacology, Shenyang Pharmaceutical University, Shenyang, Liaoning 110000, China
| | - Xibo Hu
- School of Life Sciences and Technology, Harbin Institute of Technology, Harbin, Heilongjiang 150001, China
| | - Huaxin Li
- School of Life Sciences and Technology, Harbin Institute of Technology, Harbin, Heilongjiang 150001, China
| | - Xiaoqing Zhang
- School of Life Sciences and Technology, Harbin Institute of Technology, Harbin, Heilongjiang 150001, China
| | - Xiaohan Zhang
- School of Life Sciences and Technology, Harbin Institute of Technology, Harbin, Heilongjiang 150001, China
| | - Xinghe Chen
- School of Life Sciences and Technology, Harbin Institute of Technology, Harbin, Heilongjiang 150001, China
| | - Haiyang Dong
- School of Life Sciences and Technology, Harbin Institute of Technology, Harbin, Heilongjiang 150001, China
| | - Huan Nie
- School of Life Sciences and Technology, Harbin Institute of Technology, Harbin, Heilongjiang 150001, China.
| | - Yu Li
- School of Life Sciences and Technology, Harbin Institute of Technology, Harbin, Heilongjiang 150001, China.
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19
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Estevez A, Zhu D, Blankenship C, Jiang J. Molecular Interrogation to Crack the Case of O-GlcNAc. Chemistry 2020; 26:12086-12100. [PMID: 32207184 PMCID: PMC7724648 DOI: 10.1002/chem.202000155] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2020] [Revised: 02/28/2020] [Indexed: 12/25/2022]
Abstract
The O-linked β-N-acetylglucosamine (O-GlcNAc) modification, termed O-GlcNAcylation, is an essential and dynamic post-translational modification in cells. O-GlcNAc transferase (OGT) installs this modification on serine and threonine residues, whereas O-GlcNAcase (OGA) hydrolyzes it. O-GlcNAc modifications are found on thousands of intracellular proteins involved in diverse biological processes. Dysregulation of O-GlcNAcylation and O-GlcNAc cycling enzymes has been detected in many diseases, including cancer, diabetes, cardiovascular and neurodegenerative diseases. Here, recent advances in the development of molecular tools to investigate OGT and OGA functions and substrate recognition are discussed. New chemical approaches to study O-GlcNAc dynamics and its potential roles in the immune system are also highlighted. It is hoped that this minireview will encourage more research in these areas to advance the understanding of O-GlcNAc in biology and diseases.
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Affiliation(s)
- Arielis Estevez
- Pharmaceutical Sciences Division, University of Wisconsin-Madison, Madison, WI, 53705, USA
| | - Dongsheng Zhu
- Pharmaceutical Sciences Division, University of Wisconsin-Madison, Madison, WI, 53705, USA
| | - Connor Blankenship
- Pharmaceutical Sciences Division, University of Wisconsin-Madison, Madison, WI, 53705, USA
| | - Jiaoyang Jiang
- Pharmaceutical Sciences Division, University of Wisconsin-Madison, Madison, WI, 53705, USA
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20
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Rodrigues Mantuano N, Stanczak MA, Oliveira IDA, Kirchhammer N, Filardy AA, Monaco G, Santos RC, Fonseca AC, Fontes M, Bastos CDS, Dias WB, Zippelius A, Todeschini AR, Läubli H. Hyperglycemia Enhances Cancer Immune Evasion by Inducing Alternative Macrophage Polarization through Increased O-GlcNAcylation. Cancer Immunol Res 2020; 8:1262-1272. [PMID: 32819969 DOI: 10.1158/2326-6066.cir-19-0904] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2019] [Revised: 04/25/2020] [Accepted: 07/21/2020] [Indexed: 11/16/2022]
Abstract
Diabetes mellitus (DM) significantly increases the risk for cancer and cancer progression. Hyperglycemia is the defining characteristic of DM and tightly correlates with a poor prognosis in patients with cancer. The hexosamine biosynthetic pathway (HBP) is emerging as a pivotal cascade linking high glucose, tumor progression, and impaired immune function. Here we show that enhanced glucose flow through the HBP drives cancer progression and immune evasion by increasing O-GlcNAcylation in tumor-associated macrophages (TAM). Increased O-GlcNAc skewed macrophage polarization to a M2-like phenotype supporting tumor progression. Finally, we found an upregulation of M2 markers on TAMs in DM2 patients with colorectal cancer compared with nondiabetic normoglycemic patients. Our results provide evidence for a new and targetable mechanism of cancer immune evasion in patients with hyperglycemia, advocating for strict control of hyperglycemia in patients with cancer.
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Affiliation(s)
- Natália Rodrigues Mantuano
- Cancer Immunology Laboratory, Department of Biomedicine, University of Basel, Basel, Switzerland.,Instituto de Biofisica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Michal A Stanczak
- Cancer Immunology Laboratory, Department of Biomedicine, University of Basel, Basel, Switzerland
| | - Isadora de Araújo Oliveira
- Instituto de Biofisica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Nicole Kirchhammer
- Cancer Immunology Laboratory, Department of Biomedicine, University of Basel, Basel, Switzerland
| | - Alessandra A Filardy
- Instituto de Biofisica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Gianni Monaco
- Cancer Immunology Laboratory, Department of Biomedicine, University of Basel, Basel, Switzerland
| | - Ronan Christian Santos
- Instituto de Biofisica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | | | - Miguel Fontes
- Hospital Naval Marcílio Dias, Rio de Janeiro, Brazil
| | | | - Wagner B Dias
- Instituto de Biofisica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Alfred Zippelius
- Cancer Immunology Laboratory, Department of Biomedicine, University of Basel, Basel, Switzerland.,Division of Oncology, Department of Internal Medicine, University Hospital Basel, Basel, Switzerland
| | - Adriane R Todeschini
- Instituto de Biofisica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil.
| | - Heinz Läubli
- Cancer Immunology Laboratory, Department of Biomedicine, University of Basel, Basel, Switzerland. .,Division of Oncology, Department of Internal Medicine, University Hospital Basel, Basel, Switzerland
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21
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Sanchez-Garrido J, Shenoy AR. Regulation and repurposing of nutrient sensing and autophagy in innate immunity. Autophagy 2020; 17:1571-1591. [PMID: 32627660 PMCID: PMC8354595 DOI: 10.1080/15548627.2020.1783119] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Nutrients not only act as building blocks but also as signaling molecules. Nutrient-availability promotes cell growth and proliferation and suppresses catabolic processes, such as macroautophagy/autophagy. These effects are mediated by checkpoint kinases such as MTOR (mechanistic target of rapamycin kinase), which is activated by amino acids and growth factors, and AMP-activated protein kinase (AMPK), which is activated by low levels of glucose or ATP. These kinases have wide-ranging activities that can be co-opted by immune cells upon exposure to danger signals, cytokines or pathogens. Here, we discuss recent insight into the regulation and repurposing of nutrient-sensing responses by the innate immune system during infection. Moreover, we examine how natural mutations and pathogen-mediated interventions can alter the balance between anabolic and autophagic pathways leading to a breakdown in tissue homeostasis and/or host defense.Abbreviations: AKT1/PKB: AKT serine/threonine kinase 1; ATG: autophagy related; BECN1: beclin 1; CGAS: cyclic GMP-AMP synthase; EIF2AK4/GCN2: eukaryotic translation initiation factor 2 alpha kinase 4; ER: endoplasmic reticulum; FFAR: free fatty acid receptor; GABARAP: GABA type A receptor-associated protein; IFN: interferon; IL: interleukin; LAP: LC3-associated phagocytosis; MAP1LC3B/LC3B: microtubule associated protein 1 light chain 3 beta; MAP3K7/TAK1: mitogen-activated protein kinase kinase kinase 7; MAPK: mitogen-activated protein kinase; MTOR: mechanistic target of rapamycin kinase; NLR: NOD (nucleotide-binding oligomerization domain) and leucine-rich repeat containing proteins; PI3K, phosphoinositide 3-kinase; PRR: pattern-recognition receptor; PtdIns3K: phosphatidylinositol 3-kinase; RALB: RAS like proto-oncogene B; RHEB: Ras homolog, MTORC1 binding; RIPK1: receptor interacting serine/threonine kinase 1; RRAG: Ras related GTP binding; SQSTM1/p62: sequestosome 1; STING1/TMEM173: stimulator of interferon response cGAMP interactor 1; STK11/LKB1: serine/threonine kinase 11; TBK1: TANK binding kinase 1; TLR: toll like receptor; TNF: tumor necrosis factor; TRAF6: TNF receptor associated factor 6; TRIM: tripartite motif protein; ULK1: unc-51 like autophagy activating kinase 1; V-ATPase: vacuolar-type H+-proton-translocating ATPase.
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Affiliation(s)
- Julia Sanchez-Garrido
- Medical Research Council Centre for Molecular Bacteriology and Infection, Imperial College London, London, UK
| | - Avinash R Shenoy
- Medical Research Council Centre for Molecular Bacteriology and Infection, Imperial College London, London, UK.,Satellite Group Leader, The Francis Crick Institute, London, UK
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22
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Soto-Heredero G, Gómez de Las Heras MM, Gabandé-Rodríguez E, Oller J, Mittelbrunn M. Glycolysis - a key player in the inflammatory response. FEBS J 2020; 287:3350-3369. [PMID: 32255251 PMCID: PMC7496292 DOI: 10.1111/febs.15327] [Citation(s) in RCA: 238] [Impact Index Per Article: 59.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2019] [Revised: 03/06/2020] [Accepted: 04/02/2020] [Indexed: 12/13/2022]
Abstract
The inflammatory response involves the activation of several cell types to fight insults caused by a plethora of agents, and to maintain the tissue homoeostasis. On the one hand, cells involved in the pro‐inflammatory response, such as inflammatory M1 macrophages, Th1 and Th17 lymphocytes or activated microglia, must rapidly provide energy to fuel inflammation, which is essentially accomplished by glycolysis and high lactate production. On the other hand, regulatory T cells or M2 macrophages, which are involved in immune regulation and resolution of inflammation, preferentially use fatty acid oxidation through the TCA cycle as a main source for energy production. Here, we discuss the impact of glycolytic metabolism at the different steps of the inflammatory response. Finally, we review a wide variety of molecular mechanisms which could explain the relationship between glycolytic metabolites and the pro‐inflammatory phenotype, including signalling events, epigenetic remodelling, post‐transcriptional regulation and post‐translational modifications. Inflammatory processes are a common feature of many age‐associated diseases, such as cardiovascular and neurodegenerative disorders. The finding that immunometabolism could be a master regulator of inflammation broadens the avenue for treating inflammation‐related pathologies through the manipulation of the vascular and immune cell metabolism.
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Affiliation(s)
- Gonzalo Soto-Heredero
- Immunometabolism and Inflammation Laboratory, Cellular Communication & Inflammation Unit, Centro de Biología Molecular Severo Ochoa, Madrid, Spain.,Department of Molecular Biology, Faculty of Sciences, Universidad Autónoma de Madrid (UAM), Spain.,Instituto de Investigación Sanitaria Hospital 12 de Octubre (imas12), Madrid, Spain
| | - Manuel M Gómez de Las Heras
- Immunometabolism and Inflammation Laboratory, Cellular Communication & Inflammation Unit, Centro de Biología Molecular Severo Ochoa, Madrid, Spain.,Department of Molecular Biology, Faculty of Sciences, Universidad Autónoma de Madrid (UAM), Spain
| | - Enrique Gabandé-Rodríguez
- Immunometabolism and Inflammation Laboratory, Cellular Communication & Inflammation Unit, Centro de Biología Molecular Severo Ochoa, Madrid, Spain.,Department of Molecular Biology, Faculty of Sciences, Universidad Autónoma de Madrid (UAM), Spain.,Instituto de Investigación Sanitaria Hospital 12 de Octubre (imas12), Madrid, Spain
| | - Jorge Oller
- Immunometabolism and Inflammation Laboratory, Cellular Communication & Inflammation Unit, Centro de Biología Molecular Severo Ochoa, Madrid, Spain.,Department of Molecular Biology, Faculty of Sciences, Universidad Autónoma de Madrid (UAM), Spain.,Instituto de Investigación Sanitaria Hospital 12 de Octubre (imas12), Madrid, Spain
| | - María Mittelbrunn
- Immunometabolism and Inflammation Laboratory, Cellular Communication & Inflammation Unit, Centro de Biología Molecular Severo Ochoa, Madrid, Spain.,Department of Molecular Biology, Faculty of Sciences, Universidad Autónoma de Madrid (UAM), Spain.,Instituto de Investigación Sanitaria Hospital 12 de Octubre (imas12), Madrid, Spain
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23
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Regulation of B-cell function by NF-kappaB c-Rel in health and disease. Cell Mol Life Sci 2020; 77:3325-3340. [PMID: 32130429 DOI: 10.1007/s00018-020-03488-w] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2019] [Revised: 02/03/2020] [Accepted: 02/17/2020] [Indexed: 02/06/2023]
Abstract
B cells mediate humoral immune response and contribute to the regulation of cellular immune response. Members of the Nuclear Factor kappaB (NF-κB) family of transcription factors play a major role in regulating B-cell functions. NF-κB subunit c-Rel is predominantly expressed in lymphocytes, and in B cells, it is required for survival, proliferation, and antibody production. Dysregulation of c-Rel expression and activation alters B-cell homeostasis and is associated with B-cell lymphomas and autoimmune pathologies. Based on its essential roles, c-Rel may serve as a potential prognostic and therapeutic target. This review summarizes the current understanding of the multifaceted role of c-Rel in B cells and B-cell diseases.
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24
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Nagy T, Fisi V, Frank D, Kátai E, Nagy Z, Miseta A. Hyperglycemia-Induced Aberrant Cell Proliferation; A Metabolic Challenge Mediated by Protein O-GlcNAc Modification. Cells 2019; 8:E999. [PMID: 31466420 PMCID: PMC6769692 DOI: 10.3390/cells8090999] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2019] [Revised: 08/26/2019] [Accepted: 08/26/2019] [Indexed: 12/13/2022] Open
Abstract
Chronic hyperglycemia has been associated with an increased prevalence of pathological conditions including cardiovascular disease, cancer, or various disorders of the immune system. In some cases, these associations may be traced back to a common underlying cause, but more often, hyperglycemia and the disturbance in metabolic balance directly facilitate pathological changes in the regular cellular functions. One such cellular function crucial for every living organism is cell cycle regulation/mitotic activity. Although metabolic challenges have long been recognized to influence cell proliferation, the direct impact of diabetes on cell cycle regulatory elements is a relatively uncharted territory. Among other "nutrient sensing" mechanisms, protein O-linked β-N-acetylglucosamine (O-GlcNAc) modification emerged in recent years as a major contributor to the deleterious effects of hyperglycemia. An increasing amount of evidence suggest that O-GlcNAc may significantly influence the cell cycle and cellular proliferation. In our present review, we summarize the current data available on the direct impact of metabolic changes caused by hyperglycemia in pathological conditions associated with cell cycle disorders. We also review published experimental evidence supporting the hypothesis that O-GlcNAc modification may be one of the missing links between metabolic regulation and cellular proliferation.
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Affiliation(s)
- Tamás Nagy
- Department of Laboratory Medicine, Medical School, University of Pécs, H-7624 Pécs, Hungary.
| | - Viktória Fisi
- Department of Laboratory Medicine, Medical School, University of Pécs, H-7624 Pécs, Hungary
| | - Dorottya Frank
- Department of Dentistry, Oral and Maxillofacial Surgery, Medical School, University of Pécs, H-7621 Pécs, Hungary
| | - Emese Kátai
- Department of Laboratory Medicine, Medical School, University of Pécs, H-7624 Pécs, Hungary
| | - Zsófia Nagy
- Department of Laboratory Medicine, Medical School, University of Pécs, H-7624 Pécs, Hungary
| | - Attila Miseta
- Department of Laboratory Medicine, Medical School, University of Pécs, H-7624 Pécs, Hungary
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25
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Abstract
Immunometabolism is emerging as an important modulator of immune responses. In this issue of Immunity, Li et al. (2019) examine the link between lipopolysaccharide (LPS)-induced glucose metabolism and innate immune signaling and identify how β-N-acetylglucosamine (O-GlcNAc) modification of the RIPK3 RHIM domain limits inflammation and necroptosis.
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26
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Cobb BA, Jones MB. Special Issue: The role of glycans in immunity and disease. Cell Immunol 2019; 333:1. [PMID: 30554675 DOI: 10.1016/j.cellimm.2018.11.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Affiliation(s)
- Brian A Cobb
- Department of Pathology, Case Western Reserve University, 11100 Euclid Ave, Cleveland, OH 44106, Ohio, USA.
| | - Mark B Jones
- Department of Pathology, Case Western Reserve University, 11100 Euclid Ave, Cleveland, OH 44106, Ohio, USA
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27
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Breda CNDS, Davanzo GG, Basso PJ, Saraiva Câmara NO, Moraes-Vieira PMM. Mitochondria as central hub of the immune system. Redox Biol 2019; 26:101255. [PMID: 31247505 PMCID: PMC6598836 DOI: 10.1016/j.redox.2019.101255] [Citation(s) in RCA: 174] [Impact Index Per Article: 34.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2019] [Revised: 06/01/2019] [Accepted: 06/10/2019] [Indexed: 02/08/2023] Open
Abstract
Nearly 130 years after the first insights into the existence of mitochondria, new rolesassociated with these organelles continue to emerge. As essential hubs that dictate cell fate, mitochondria integrate cell physiology, signaling pathways and metabolism. Thus, recent research has focused on understanding how these multifaceted functions can be used to improve inflammatory responses and prevent cellular dysfunction. Here, we describe the role of mitochondria on the development and function of immune cells, highlighting metabolic aspects and pointing out some metabolic- independent features of mitochondria that sustain cell function.
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Affiliation(s)
- Cristiane Naffah de Souza Breda
- Transplantation Immunobiology Lab, Department of Immunology, Institute of Biomedical Sciences, University of Sao Paulo, Sao Paulo, Brazil
| | - Gustavo Gastão Davanzo
- Laboratory of Immunometabolism, Department of Genetics, Evolution, Microbiology and Immunology, Institute of Biology, University of Campinas, Campinas, Brazil
| | - Paulo José Basso
- Transplantation Immunobiology Lab, Department of Immunology, Institute of Biomedical Sciences, University of Sao Paulo, Sao Paulo, Brazil
| | - Niels Olsen Saraiva Câmara
- Transplantation Immunobiology Lab, Department of Immunology, Institute of Biomedical Sciences, University of Sao Paulo, Sao Paulo, Brazil.
| | - Pedro Manoel Mendes Moraes-Vieira
- Laboratory of Immunometabolism, Department of Genetics, Evolution, Microbiology and Immunology, Institute of Biology, University of Campinas, Campinas, Brazil.
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28
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Mantuano NR, Oliveira-Nunes MC, Alisson-Silva F, Dias WB, Todeschini AR. Emerging role of glycosylation in the polarization of tumor-associated macrophages. Pharmacol Res 2019; 146:104285. [PMID: 31132403 DOI: 10.1016/j.phrs.2019.104285] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/09/2019] [Revised: 05/02/2019] [Accepted: 05/23/2019] [Indexed: 12/20/2022]
Abstract
Tumors are formed by several cell types interacting in a complex environment of soluble and matrix molecules. The crosstalk between the cells and extracellular components control tumor fate. Macrophages are highly plastic and diverse immune cells that are known to be key regulators of this complex network, which is mostly because they can adjust their metabolism and reprogram their phenotype and effector function. Here, we review the studies that disclose the central role of metabolism and tumor microenvironment in shaping the phenotype and function of macrophages, highlighting the importance of the hexosamine biosynthetic pathway. We further discuss growing evidence of nutrient-sensitive protein modifications such as O-GlcNAcylation and extracellular glycosylation in the function and polarization of tumor-associated macrophages.
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Affiliation(s)
- Natalia Rodrigues Mantuano
- Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil; Bloco D sala 03 CCS, UFRJ, Ilha do Fundão, Rio de Janeiro, 21941-902, Brazil
| | - Maria Cecilia Oliveira-Nunes
- Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil; Bloco D sala 03 CCS, UFRJ, Ilha do Fundão, Rio de Janeiro, 21941-902, Brazil
| | - Frederico Alisson-Silva
- Departamento de Imunologia, Instituto de Microbiologia Paulo de Goes, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil; Bloco D sala 03 CCS, UFRJ, Ilha do Fundão, Rio de Janeiro, 21941-902, Brazil
| | - Wagner Barbosa Dias
- Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil; Bloco D sala 03 CCS, UFRJ, Ilha do Fundão, Rio de Janeiro, 21941-902, Brazil.
| | - Adriane Regina Todeschini
- Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil; Bloco D sala 03 CCS, UFRJ, Ilha do Fundão, Rio de Janeiro, 21941-902, Brazil.
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29
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Nie H, Yi W. O-GlcNAcylation, a sweet link to the pathology of diseases. J Zhejiang Univ Sci B 2019; 20:437-448. [PMID: 31090269 PMCID: PMC6568225 DOI: 10.1631/jzus.b1900150] [Citation(s) in RCA: 50] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2019] [Accepted: 04/18/2019] [Indexed: 01/09/2023]
Abstract
O-linked N-acetylglucosamine (O-GlcNAc) is a dynamic post-translational modification occurring on myriad proteins in the cell nucleus, cytoplasm, and mitochondria. The donor sugar for O-GlcNAcylation, uridine-diphosphate N-acetylglucosamine (UDP-GlcNAc), is synthesized from glucose through the hexosamine biosynthetic pathway (HBP). The recycling of O-GlcNAc on proteins is mediated by two enzymes in cells-O-GlcNAc transferase (OGT) and O-GlcNAcase (OGA), which catalyze the addition and removal of O-GlcNAc, respectively. O-GlcNAcylation is involved in a number of important cell processes including transcription, translation, metabolism, signal transduction, and apoptosis. Deregulation of O-GlcNAcylation has been reported to be associated with various human diseases such as cancer, diabetes, neurodegenerative diseases, and cardiovascular diseases. A better understanding of the roles of O-GlcNAcylation in physiopathological processes would help to uncover novel avenues for therapeutic intervention. The aim of this review is to discuss the recent updates on the mechanisms and impacts of O-GlcNAcylation on these diseases, and its potential as a new clinical target.
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30
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Modulation of the NOD-like receptors NOD1 and NOD2: A chemist's perspective. Bioorg Med Chem Lett 2019; 29:1153-1161. [PMID: 30890292 DOI: 10.1016/j.bmcl.2019.03.010] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2018] [Revised: 03/05/2019] [Accepted: 03/07/2019] [Indexed: 12/13/2022]
Abstract
The innate immune system is the body's first defense against invading microorganisms, relying on the recognition of bacterial-derived small molecules by host protein receptors. This recognition event and downstream immune response rely heavily on the specific chemical features of both the innate immune receptors and their bacterial derived ligands. This review presents a chemist's perspective on some of the most crucial and complex components of two receptors (NOD1 and NOD2): starting from the structural and chemical characteristics of bacterial-derived small molecules, to the specific proposed models of molecular recognition of these molecules by immune receptors, to the subsequent post-translational modifications that ultimately dictate downstream immune signaling. Recent advances in the field are discussed, as well as the potential for the development of targeted therapeutics.
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31
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Buettner MJ, Shah SR, Saeui CT, Ariss R, Yarema KJ. Improving Immunotherapy Through Glycodesign. Front Immunol 2018; 9:2485. [PMID: 30450094 PMCID: PMC6224361 DOI: 10.3389/fimmu.2018.02485] [Citation(s) in RCA: 42] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2018] [Accepted: 10/08/2018] [Indexed: 01/04/2023] Open
Abstract
Immunotherapy is revolutionizing health care, with the majority of high impact "drugs" approved in the past decade falling into this category of therapy. Despite considerable success, glycosylation-a key design parameter that ensures safety, optimizes biological response, and influences the pharmacokinetic properties of an immunotherapeutic-has slowed the development of this class of drugs in the past and remains challenging at present. This article describes how optimizing glycosylation through a variety of glycoengineering strategies provides enticing opportunities to not only avoid past pitfalls, but also to substantially improve immunotherapies including antibodies and recombinant proteins, and cell-based therapies. We cover design principles important for early stage pre-clinical development and also discuss how various glycoengineering strategies can augment the biomanufacturing process to ensure the overall effectiveness of immunotherapeutics.
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Affiliation(s)
- Matthew J Buettner
- Department of Biomedical Engineering and the Translational Tissue Engineering Center, The Johns Hopkins University, Baltimore, MD, United States
| | - Sagar R Shah
- Department of Biomedical Engineering and the Translational Tissue Engineering Center, The Johns Hopkins University, Baltimore, MD, United States
| | - Christopher T Saeui
- Department of Biomedical Engineering and the Translational Tissue Engineering Center, The Johns Hopkins University, Baltimore, MD, United States.,Pharmacology/Toxicology Branch I, Division of Clinical Evaluation and Pharmacology/Toxicology, Office of Tissues and Advanced Therapies, Center for Biologics Evaluation and Research, U.S. Food and Drug Administration, Bethesda, MD, United States
| | - Ryan Ariss
- Department of Biomedical Engineering and the Translational Tissue Engineering Center, The Johns Hopkins University, Baltimore, MD, United States
| | - Kevin J Yarema
- Department of Biomedical Engineering and the Translational Tissue Engineering Center, The Johns Hopkins University, Baltimore, MD, United States
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