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Hum C, Tahir U, Mei SHJ, Champagne J, Fergusson DA, Lalu M, Stewart DJ, Walley K, Marshall J, dos Santos CC, Winston BW, Mendelson AA, Dave C, McIntyre L. Efficacy and Safety of Umbilical Cord-Derived Mesenchymal Stromal Cell Therapy in Preclinical Models of Sepsis: A Systematic Review and Meta-analysis. Stem Cells Transl Med 2024; 13:346-361. [PMID: 38381583 PMCID: PMC11016835 DOI: 10.1093/stcltm/szae003] [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: 07/07/2023] [Accepted: 11/11/2023] [Indexed: 02/23/2024] Open
Abstract
BACKGROUND In preclinical studies, mesenchymal stromal cells (MSCs), including umbilical cord-derived MSCs (UC-MSCs), demonstrate the ability to modulate numerous pathophysiological processes related to sepsis; however, a systematic synthesis of the literature is needed to assess the efficacy of UC-MSCs for treating sepsis. OBJECTIVE To examine the effects of UC-MSCs on overall mortality (primary outcome) as well as on organ dysfunction, coagulopathy, endothelial permeability, pathogen clearance, and systemic inflammation (secondary outcomes) at prespecified time intervals in preclinical models of sepsis. METHODS A systematic search was conducted on Embase, Ovid MEDLINE, and Web of Science up to June 20, 2023. Preclinical controlled studies using in vivo sepsis models with systemic UC-MSC administration were included. Meta-analyses were conducted and expressed as odds ratios (OR) and ratios of the weighted means with 95% CI for categorical and continuous data, respectively. Risk of bias was assessed with the SYRCLE tool. RESULTS Twenty-six studies (34 experiments, n = 1258 animals) were included in this review. Overall mortality was significantly reduced with UC-MSC treatment as compared to controls (OR: 0.26, 95% CI: 0.18-0.36). At various prespecified time intervals, UC-MSCs reduced surrogate measures of organ dysfunction related to the kidney, liver, and lung; reduced coagulopathy and endothelial permeability; and enhanced pathogen clearance from multiple sites. UC-MSCs also modulated systemic inflammatory mediators. No studies were rated as low risk across all SYCLE domains. CONCLUSIONS These results demonstrate the efficacy of UC-MSC treatment in preclinical sepsis models and highlight their potential as a therapeutic intervention for septic shock.
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Affiliation(s)
- Christine Hum
- Clinical Epidemiology Program, The Ottawa Hospital Research Institute, Ottawa, ON, Canada
| | - Usama Tahir
- Department of Medicine, University of British Columbia, Vancouver, BC, Canada
| | - Shirley H J Mei
- Regenerative Medicine Program, The Ottawa Hospital Research Institute, Ottawa, ON, Canada
| | - Josee Champagne
- Clinical Epidemiology Program, The Ottawa Hospital Research Institute, Ottawa, ON, Canada
| | - Dean A Fergusson
- Clinical Epidemiology Program, The Ottawa Hospital Research Institute, Ottawa, ON, Canada
- Department of Medicine, University of Ottawa, Ottawa, ON, Canada
| | - Manoj Lalu
- Clinical Epidemiology Program, The Ottawa Hospital Research Institute, Ottawa, ON, Canada
- Regenerative Medicine Program, The Ottawa Hospital Research Institute, Ottawa, ON, Canada
- Department of Cell and Molecular Medicine, University of Ottawa, Ottawa, ON, Canada
- Department of Anesthesiology and Pain Medicine, University of Ottawa, The Ottawa Hospital, Ottawa, ON, Canada
| | - Duncan J Stewart
- Regenerative Medicine Program, The Ottawa Hospital Research Institute, Ottawa, ON, Canada
- Department of Cell and Molecular Medicine, University of Ottawa, Ottawa, ON, Canada
| | - Keith Walley
- Department of Medicine, Centre for Heart Lung Innovation, University of British Columbia, Vancouver, BC, Canada
| | - John Marshall
- Department of Surgery (Critical Care), University of Toronto, Toronto, ON, Canada
| | - Claudia C dos Santos
- Keenan Research Centre for Biomedical Science and Interdepartmental Division of Critical Care, St. Michael’s Hospital, University of Toronto, Toronto, ON, Canada
| | - Brent W Winston
- Department of Critical Care Medicine, University of Calgary, Calgary, AB, Canada
| | - Asher A Mendelson
- Section of Critical Care Medicine, Department of Medicine, Rady Faculty of Health Sciences, University of Manitoba, Winnipeg, MB, Canada
| | - Chintan Dave
- Division of Critical Care Medicine, Department of Medicine, Western University, London, ON, Canada
| | - Lauralyn McIntyre
- Clinical Epidemiology Program, The Ottawa Hospital Research Institute, Ottawa, ON, Canada
- Department of Medicine (Division of Critical Care), University of Ottawa, Ottawa, ON, Canada
- Department of Medicine (Critical Care), The Ottawa Hospital, Ottawa Hospital Research Institute, Centre for Transfusion and Critical Care Research, Ottawa, ON, Canada
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Niknam B, Azizsoltani A, Heidari N, Tokhanbigli S, Alavifard H, Haji Valili M, Amani D, Asadzadeh Aghdaei H, Hashemi SM, Baghaei K. A Simple High Yield Technique for Isolation of Wharton's Jelly-derived Mesenchymal Stem Cell. Avicenna J Med Biotechnol 2024; 16:95-103. [PMID: 38618506 PMCID: PMC11007369 DOI: 10.18502/ajmb.v16i2.14860] [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: 06/05/2023] [Accepted: 09/25/2023] [Indexed: 04/16/2024] Open
Abstract
Background The isolation of Mesenchymal Stem Cells (MSCs) from various tissues is possible, with the umbilical cord emerging as a competitive alternative to bone marrow. In order to fulfill the demands of cell therapy, it is essential to generate stem cells on a clinical scale while minimizing time, cost, and contamination. Here is a simple and effective protocol for isolating MSC from Wharton's Jelly (WJ-MSC) using the explant method with various supplements. Methods Utilizing the explant method, small fragments of Wharton's jelly from the human umbilical cord were cultured in a flask. The multipotency of the isolated cells, were confirmed by their differentiation ability to osteocyte and adipocyte. Additionally, the immunophenotyping of WJ-MSCs showed positive expression of CD73, CD90, and CD105, while remaining negative for hematopoietic markers CD34 and CD45, meeting the criteria for WJ-MSC identification. Following that, to evaluate cells' proliferative capacity, various supplements, including basic Fibroblast Growth Factor (bFGF), Non-Essential amino acids (NEA), and L-Glutamine (L-Gln) were added to either alpha-Minimal Essential Medium (α-MEM) or Dulbecco's Modified Eagle's Medium-F12 (DMEM-F12), as the basic culture media. Results WJ-MSCs isolated by the explant method were removed from the tissue after seven days and transferred to the culture medium. These cells differentiated into adipocyte and osteocyte lineages, expressing CD73, CD90, and CD105 positively and CD34 and CD45 negatively. The results revealed that addition of bFGF to α-MEM or DMEMF12 media significantly increased the proliferation of MSCs when compared to the control group. However, there were no significant differences observed when NEA or LGln were added. Conclusion Although bFGF considerably enhances cell proliferation, our study demonstrates that MSCs can grow and expand when properly prepared Wharton's jelly tissues of the human umbilical cord.
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Affiliation(s)
- Bahare Niknam
- Department of Immunology, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Arezou Azizsoltani
- Department of Medical Biotechnology, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Neda Heidari
- Department of Immunology, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Samaneh Tokhanbigli
- Basic and Molecular Epidemiology of Gastrointestinal Disorders Research Center, Research Institute for Gastroenterology and Liver Diseases, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Helia Alavifard
- Basic and Molecular Epidemiology of Gastrointestinal Disorders Research Center, Research Institute for Gastroenterology and Liver Diseases, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Mahsa Haji Valili
- Department of Immunology, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Davar Amani
- Department of Immunology, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Hamid Asadzadeh Aghdaei
- Basic and Molecular Epidemiology of Gastrointestinal Disorders Research Center, Research Institute for Gastroenterology and Liver Diseases, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Seyed Mahmoud Hashemi
- Department of Immunology, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Kaveh Baghaei
- Basic and Molecular Epidemiology of Gastrointestinal Disorders Research Center, Research Institute for Gastroenterology and Liver Diseases, Shahid Beheshti University of Medical Sciences, Tehran, Iran
- Gastroenterology and Liver Diseases Research Center, Research Institute for Gastroenterology and Liver Diseases, Shahid Beheshti University of Medical Sciences, Tehran, Iran
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3
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Costa TJ, Wilson EW, Fontes MT, Pernomian L, Tostes RC, Wenceslau CF, McCarthy CG. The O-GlcNAc dichotomy: when does adaptation become pathological? Clin Sci (Lond) 2023; 137:1683-1697. [PMID: 37986614 DOI: 10.1042/cs20220309] [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: 07/13/2023] [Revised: 10/31/2023] [Accepted: 11/02/2023] [Indexed: 11/22/2023]
Abstract
O-Linked attachment of β-N-acetylglucosamine (O-GlcNAc) on serine and threonine residues of nuclear, cytoplasmic, and mitochondrial proteins is a highly dynamic and ubiquitous post-translational modification that impacts the function, activity, subcellular localization, and stability of target proteins. Physiologically, acute O-GlcNAcylation serves primarily to modulate cellular signaling and transcription regulatory pathways in response to nutrients and stress. To date, thousands of proteins have been revealed to be O-GlcNAcylated and this number continues to grow as the technology for the detection of O-GlcNAc improves. The attachment of a single O-GlcNAc is catalyzed by the enzyme O-GlcNAc transferase (OGT), and their removal is catalyzed by O-GlcNAcase (OGA). O-GlcNAcylation is regulated by the metabolism of glucose via the hexosamine biosynthesis pathway, and the metabolic abnormalities associated with pathophysiological conditions are all associated with increased flux through this pathway and elevate O-GlcNAc levels. While chronic O-GlcNAcylation is well associated with cardiovascular dysfunction, only until recently, and with genetically modified animals, has O-GlcNAcylation as a contributing mechanism of cardiovascular disease emerged. This review will address and critically evaluate the current literature on the role of O-GlcNAcylation in vascular physiology, with a view that this pathway can offer novel targets for the treatment and prevention of cardiovascular diseases.
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Affiliation(s)
- Tiago J Costa
- Cardiovascular Translational Research Center, University of South Carolina School of Medicine-Columbia, SC, U.S.A
- Department of Cell Biology and Anatomy, University of South Carolina School of Medicine-Columbia, SC, U.S.A
- Biomedical Engineering Program, College of Engineering and Computing, University of South Carolina, Columbia, SC, U.S.A
| | - Emily W Wilson
- Cardiovascular Translational Research Center, University of South Carolina School of Medicine-Columbia, SC, U.S.A
- Department of Cell Biology and Anatomy, University of South Carolina School of Medicine-Columbia, SC, U.S.A
| | - Milene T Fontes
- Cardiovascular Translational Research Center, University of South Carolina School of Medicine-Columbia, SC, U.S.A
- Department of Cell Biology and Anatomy, University of South Carolina School of Medicine-Columbia, SC, U.S.A
- Biomedical Engineering Program, College of Engineering and Computing, University of South Carolina, Columbia, SC, U.S.A
| | - Laena Pernomian
- Cardiovascular Translational Research Center, University of South Carolina School of Medicine-Columbia, SC, U.S.A
- Department of Cell Biology and Anatomy, University of South Carolina School of Medicine-Columbia, SC, U.S.A
- Biomedical Engineering Program, College of Engineering and Computing, University of South Carolina, Columbia, SC, U.S.A
| | - Rita C Tostes
- Department of Pharmacology, Ribeirao Preto Medical School, University of Sao Paulo, Ribeirao Preto, SP, Brazil
| | - Camilla F Wenceslau
- Cardiovascular Translational Research Center, University of South Carolina School of Medicine-Columbia, SC, U.S.A
- Department of Cell Biology and Anatomy, University of South Carolina School of Medicine-Columbia, SC, U.S.A
- Biomedical Engineering Program, College of Engineering and Computing, University of South Carolina, Columbia, SC, U.S.A
| | - Cameron G McCarthy
- Cardiovascular Translational Research Center, University of South Carolina School of Medicine-Columbia, SC, U.S.A
- Department of Cell Biology and Anatomy, University of South Carolina School of Medicine-Columbia, SC, U.S.A
- Biomedical Engineering Program, College of Engineering and Computing, University of South Carolina, Columbia, SC, U.S.A
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Blankenship CM, Xie J, Benz C, Wang A, Ivarsson Y, Jiang J. Motif-dependent binding on the intervening domain regulates O-GlcNAc transferase. Nat Chem Biol 2023; 19:1423-1431. [PMID: 37653170 PMCID: PMC10723112 DOI: 10.1038/s41589-023-01422-2] [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: 01/30/2023] [Accepted: 08/11/2023] [Indexed: 09/02/2023]
Abstract
The modification of intracellular proteins with O-linked β-N-acetylglucosamine (O-GlcNAc) moieties is a highly dynamic process that spatiotemporally regulates nearly every important cellular program. Despite its significance, little is known about the substrate recognition and regulation modes of O-GlcNAc transferase (OGT), the primary enzyme responsible for O-GlcNAc addition. In this study, we identified the intervening domain (Int-D), a poorly understood protein fold found only in metazoan OGTs, as a specific regulator of OGT protein-protein interactions and substrate modification. Using proteomic peptide phage display (ProP-PD) coupled with structural, biochemical and cellular characterizations, we discovered a strongly enriched peptide motif, employed by the Int-D to facilitate specific O-GlcNAcylation. We further show that disruption of Int-D binding dysregulates important cellular programs, including response to nutrient deprivation and glucose metabolism. These findings illustrate a mode of OGT substrate recognition and offer key insights into the biological roles of this unique domain.
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Affiliation(s)
- Connor M Blankenship
- Pharmaceutical Sciences Division, School of Pharmacy, University of Wisconsin-Madison, Madison, WI, USA
| | - Jinshan Xie
- Pharmaceutical Sciences Division, School of Pharmacy, University of Wisconsin-Madison, Madison, WI, USA
| | - Caroline Benz
- Department of Chemistry - BMC, Uppsala University, Uppsala, Sweden
| | - Ao Wang
- Pharmaceutical Sciences Division, School of Pharmacy, University of Wisconsin-Madison, Madison, WI, USA
| | - Ylva Ivarsson
- Department of Chemistry - BMC, Uppsala University, Uppsala, Sweden
| | - Jiaoyang Jiang
- Pharmaceutical Sciences Division, School of Pharmacy, University of Wisconsin-Madison, Madison, WI, USA.
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5
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Jamal Eddin TM, Nasr SM, Gupta I, Zayed H, Al Moustafa AE. Helicobacter pylori and epithelial mesenchymal transition in human gastric cancers: An update of the literature. Heliyon 2023; 9:e18945. [PMID: 37609398 PMCID: PMC10440535 DOI: 10.1016/j.heliyon.2023.e18945] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2023] [Revised: 07/25/2023] [Accepted: 08/03/2023] [Indexed: 08/24/2023] Open
Abstract
Gastric cancer, a multifactorial disease, is considered one of the most common malignancies worldwide. In addition to genetic and environmental risk factors, infectious agents, such as Epstein-Barr virus (EBV) and Helicobacter pylori (H.pylori) contribute to the onset and development of gastric cancer. H. pylori is a type I carcinogen that colonizes the gastric epithelium of approximately 50% of the world's population, thus increasing the risk of gastric cancer development. On the other hand, epithelial mesenchymal transition (EMT) is a fundamental process crucial to embryogenic growth, wound healing, organ fibrosis and cancer progression. Several studies associate gastric pathogen infection of the epithelium with EMT initiation, provoking cancer metastasis in the gastric mucosa through various molecular signaling pathways. Additionally, EMT is implicated in the progression and development of H. pylori-associated gastric cancer. In this review, we recapitulate recent findings elucidating the association between H. pylori infection in EMT promotion leading to gastric cancer progression and metastasis.
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Affiliation(s)
- Tala M. Jamal Eddin
- College of Health Sciences, QU Health, Qatar University, PO Box 2713, Doha, Qatar
| | - Shahd M.O. Nasr
- College of Health Sciences, QU Health, Qatar University, PO Box 2713, Doha, Qatar
| | - Ishita Gupta
- College of Medicine, QU Health, Qatar University, PO Box 2713, Doha, Qatar
| | - Hatem Zayed
- College of Health Sciences, QU Health, Qatar University, PO Box 2713, Doha, Qatar
| | - Ala-Eddin Al Moustafa
- College of Medicine, QU Health, Qatar University, PO Box 2713, Doha, Qatar
- Biomedical Research Center, Qatar University, PO Box 2713, Doha, Qatar
- Oncology Department, Faculty of Medicine, McGill University, Montreal, QC, H3G 2M1, Canada
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6
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Cao D, Zhong L, Hemalatha A, Bergmann J, Cox AL, Greco V, Sozen B. A Spatiotemporal Compartmentalization of Glucose Metabolism Guides Mammalian Gastrulation Progression. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.06.06.543780. [PMID: 37333168 PMCID: PMC10274656 DOI: 10.1101/2023.06.06.543780] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/20/2023]
Abstract
Gastrulation is considered the sine qua non of embryogenesis, establishing a multidimensional structure and the spatial coordinates upon which all later developmental events transpire. At this time, the embryo adopts a heavy reliance on glucose metabolism to support rapidly accelerating changes in morphology, proliferation, and differentiation. However, it is currently unknown how this conserved metabolic shift maps onto the three-dimensional landscape of the growing embryo and whether it is spatially linked to the orchestrated cellular and molecular processes necessary for gastrulation. Here we identify that glucose is utilised during mouse gastrulation via distinct metabolic pathways to instruct local and global embryonic morphogenesis, in a cell type and stage-specific manner. Through detailed mechanistic studies and quantitative live imaging of mouse embryos, in parallel with tractable in vitro stem cell differentiation models and embryo-derived tissue explants, we discover that cell fate acquisition and the epithelial-to-mesenchymal transition (EMT) relies on the Hexosamine Biosynthetic Pathway (HBP) branch of glucose metabolism, while newly-formed mesoderm requires glycolysis for correct migration and lateral expansion. This regional and tissue-specific difference in glucose metabolism is coordinated with Fibroblast Growth Factor (FGF) activity, demonstrating that reciprocal crosstalk between metabolism and growth factor signalling is a prerequisite for gastrulation progression. We expect these studies to provide important insights into the function of metabolism in other developmental contexts and may help uncover mechanisms that underpin embryonic lethality, cancer, and congenital disease.
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Affiliation(s)
- Dominica Cao
- Department of Genetics, Yale School of Medicine, Yale University, New Haven, CT 06520
| | - Liangwen Zhong
- Department of Genetics, Yale School of Medicine, Yale University, New Haven, CT 06520
| | - Anupama Hemalatha
- Department of Genetics, Yale School of Medicine, Yale University, New Haven, CT 06520
| | - Jenna Bergmann
- Department of Genetics, Yale School of Medicine, Yale University, New Haven, CT 06520
| | - Andy L. Cox
- Department of Genetics, Yale School of Medicine, Yale University, New Haven, CT 06520
| | - Valentina Greco
- Department of Genetics, Yale School of Medicine, Yale University, New Haven, CT 06520
- Yale Stem Cell Center, Yale University, New Haven, CT 06520
| | - Berna Sozen
- Department of Genetics, Yale School of Medicine, Yale University, New Haven, CT 06520
- Yale Stem Cell Center, Yale University, New Haven, CT 06520
- Department of Obstetrics, Gynecology and Reproductive Sciences, Yale School of Medicine, Yale University, New Haven, CT 06520
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7
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Blankenship C, Xie J, Benz C, Wang A, Ivarsson Y, Jiang J. A novel binding site on the cryptic intervening domain is a motif-dependent regulator of O-GlcNAc transferase. RESEARCH SQUARE 2023:rs.3.rs-2531412. [PMID: 36778302 PMCID: PMC9915769 DOI: 10.21203/rs.3.rs-2531412/v1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
The modification of intracellular proteins with O-linked β- N -acetylglucosamine (O-GlcNAc) moieties is a highly dynamic process that spatiotemporally regulates nearly every important cellular program. Despite its significance, little is known about the substrate recognition and regulation modes of O-GlcNAc transferase (OGT), the primary enzyme responsible for O-GlcNAc addition. In this study, we have identified the intervening domain (Int-D), a poorly understood protein fold found only in metazoan OGTs, as a specific regulator of OGT protein-protein interactions and substrate modification. Utilizing an innovative proteomic peptide phage display (ProP-PD) coupled with structural, biochemical, and cellular characterizations, we discovered a novel peptide motif, employed by the Int-D to facilitate specific O-GlcNAcylation. We further show that disruption of Int-D binding dysregulates important cellular programs including nutrient stress response and glucose metabolism. These findings illustrate a novel mode of OGT substrate recognition and offer the first insights into the biological roles of this unique domain.
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Affiliation(s)
| | | | | | - Ao Wang
- University of Wisconsin-Madison
| | | | - Jiaoyang Jiang
- Pharmaceutical Sciences Division, School of Pharmacy, University of Wisconsin-Madison
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8
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Fathi E, Mesbah-Namin SA, Vietor I, Farahzadi R. Mesenchymal stem cells cause induction of granulocyte differentiation of rat bone marrow C-kit + hematopoietic stem cells through JAK3/STAT3, ERK, and PI3K signaling pathways. IRANIAN JOURNAL OF BASIC MEDICAL SCIENCES 2022; 25:1222-1227. [PMID: 36311196 PMCID: PMC9588313 DOI: 10.22038/ijbms.2022.66737.14633] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/14/2022] [Accepted: 09/12/2022] [Indexed: 11/25/2022]
Abstract
OBJECTIVES Hematopoietic stem cells (HSCs) are the cells that give rise to different types of blood cells during the hematopoiesis process. Mesenchymal stromal cells (MSCs) as key elements in the bone marrow (BM) niche interact with hematopoietic progenitor cells (HPCs) by secreting cytokines, which control HPCs maintenance and fate. Here we report that BM-MSCs are capable of inducing granulocytic differentiation of the C-Kit+ HSCs via activating JAK3/STAT3, ERK, and PI3K signaling pathways. MATERIALS AND METHODS For this purpose, BM-MSCs and C-kit+ HSCs were isolated. Next, cells were divided into two groups and differentiated into granulocytes: C-kit+ HSCs alone (control group) and co-cultured C-kit+ HSCs with MSCs (experimental group). Afterward, the gene and protein expression were assessed by real-time PCR and western blotting, respectively. RESULTS It was found that BM-MSCs resulted in increased JAK3/STAT3, ERK, and PI3K protein expression in granulocyte differentiated C-kit+ HSCs. CONCLUSION It should be concluded that MSCs could affect the granulocyte differentiation of C-kit+ HSCs via increasing JAK3/STAT3, ERK, and PI3K signaling pathways.
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Affiliation(s)
- Ezzatollah Fathi
- Department of Clinical Sciences, Faculty of Veterinary Medicine, University of Tabriz, Tabriz, Iran
| | - Seyed Alireza Mesbah-Namin
- Department of Clinical Biochemistry, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran
| | - Ilja Vietor
- Institute of Cell Biology, Medical University of Innsbruck, Biocenter, Innsbruck, Austria
| | - Raheleh Farahzadi
- Hematology and Oncology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran,Corresponding author: Raheleh Farahzadi. Hematology and Oncology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran. Tel: +98-41-33343626; Fax: +98-41-33343844;
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9
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Zargar MJ, Kaviani S, Vasei M, Soufi Zomorrod M, Heidari Keshel S, Soleimani M. Therapeutic role of mesenchymal stem cell-derived exosomes in respiratory disease. Stem Cell Res Ther 2022; 13:194. [PMID: 35550188 PMCID: PMC9096764 DOI: 10.1186/s13287-022-02866-4] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2022] [Accepted: 03/07/2022] [Indexed: 12/29/2022] Open
Abstract
Exosomes are extracellular vesicles found in various tissues, blood circulation, and tissue fluids, secreted into the extracellular environment by fusing a multivesicular body with a plasma membrane. Various cell types release these vesicles to contribute to many cellular functions, including intercellular communication, cell proliferation, differentiation, angiogenesis, response to stress, and immune system signaling. These natural nanoparticles have therapeutic effects in various diseases and exhibit a behavior similar to the cell from which they originated. In the meantime, exosomes derived from mesenchymal stem cells have attracted the attention of many researchers and physicians due to their unique ability to modulate the immune system, repair tissue and reduce inflammation. Numerous clinical and preclinical studies have examined the effect of MSC-derived exosomes in various diseases, and their results have been published in prestigious journals. This review article discusses the biogenesis and sources of exosomes, MSC-derived exosomes, the use of these exosomes in regenerative medicine, and treatments based on exosomes derived from stem cells in respiratory diseases.
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Affiliation(s)
- Mehdi Jahedi Zargar
- Department of Hematology, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran
| | - Saeid Kaviani
- Department of Hematology, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran.
| | - Mohammad Vasei
- Cell Therapy Based Research Center, Digestive Disease Research Institute, Shariati Hospital, Tehran University of Medical Sciences, Tehran, Iran
| | - Mina Soufi Zomorrod
- Applied Cell Science and Hematology Department, Faculty of Medical Science, Tarbiat Modares University, Tehran, Iran
| | - Saeed Heidari Keshel
- Department of Tissue Engineering and Applied Cell Science, School of Advanced Technologies in Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Masoud Soleimani
- Applied Cell Science and Hematology Department, Faculty of Medical Science, Tarbiat Modares University, Tehran, Iran. .,Department of Tissue Engineering and Applied Cell Science, School of Advanced Technologies in Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
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10
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Karimi-Shahri M, Javid H, Sharbaf Mashhad A, Yazdani S, Hashemy SI. Mesenchymal stem cells in cancer therapy; the art of harnessing a foe to a friend. IRANIAN JOURNAL OF BASIC MEDICAL SCIENCES 2021; 24:1307-1323. [PMID: 35096289 PMCID: PMC8769515 DOI: 10.22038/ijbms.2021.58227.12934] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/08/2021] [Accepted: 08/04/2021] [Indexed: 12/09/2022]
Abstract
For a long time, mesenchymal stem cells (MSCs) were discussed only as stem cells which could give rise to different types of cells. However, when it became clear that their presence in the tumor microenvironment (TME) was like a green light for tumorigenesis, they emerged from the ashes. This review was arranged to provide a comprehensive and precise description of MSCs' role in regulating tumorigenesis and to discuss the dark and the bright sides of cancer treatment strategies using MSCs. To gather the details about MSCs, we made an intensive literature review using keywords, including MSCs, tumor microenvironment, tumorigenesis, and targeted therapy. Through transferring cytokines, growth factors, and microRNAs, MSCs maintain the cancer stem cell population, increase angiogenesis, provide a facility for cancer metastasis, and shut down the anti-tumor activity of the immune system. Although MSCs progress tumorigenesis, there is a consensus that these cells could be used as a vehicle to transfer anti-cancer agents into the tumor milieu. This feature opened a new chapter in MSCs biology, this time from the therapeutic perspective. Although the data are not sufficient, the advent of new genetic engineering methods might make it possible to engage these cells as Trojan horses to eliminate the malignant population. So many years of investigation showed that MSCs are an important group of cells, residing in the TME, studying the function of which not only could add a delicate series of information to the process of tumorigenesis but also could revolutionize cancer treatment strategies.
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Affiliation(s)
- Mehdi Karimi-Shahri
- Department of Pathology, School of Medicine, Gonabad University of Medical Sciences, Gonabad, Iran,Department of Pathology, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Hossein Javid
- Department of Medical Laboratory Sciences, Varastegan Institute for Medical Sciences, Mashhad, Iran,Department of Clinical Biochemistry, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Alireza Sharbaf Mashhad
- Department of Medical Laboratory Sciences, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Shaghayegh Yazdani
- Department of Medical Laboratory Sciences, Ilam Institute for Medical Sciences, Ilam, Iran
| | - Seyed Isaac Hashemy
- Department of Clinical Biochemistry, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran,Surgical Oncology Research Center, Mashhad University of Medical Sciences, Mashhad, Iran,Corresponding author: Seyed Isaac Hashemy. Surgical Oncology Research Center, Mashhad University of Medical Sciences, Mashhad, Iran. Tel: +98-51-38002366;
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11
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Tourzani DA, Battistone MA, Salicioni AM, Breton S, Visconti PE, Gervasi MG. Caput Ligation Renders Immature Mouse Sperm Motile and Capable to Undergo cAMP-Dependent Phosphorylation. Int J Mol Sci 2021; 22:ijms221910241. [PMID: 34638585 PMCID: PMC8549708 DOI: 10.3390/ijms221910241] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2021] [Revised: 09/16/2021] [Accepted: 09/17/2021] [Indexed: 12/01/2022] Open
Abstract
Mammalian sperm must undergo two post-testicular processes to become fertilization-competent: maturation in the male epididymis and capacitation in the female reproductive tract. While caput epididymal sperm are unable to move and have not yet acquired fertilization potential, sperm in the cauda epididymis have completed their maturation, can move actively, and have gained the ability to undergo capacitation in the female tract or in vitro. Due to the impossibility of mimicking sperm maturation in vitro, the molecular pathways underlying this process remain largely unknown. We aimed to investigate the use of caput epididymal ligation as a tool for the study of sperm maturation in mice. Our results indicate that after seven days of ligation, caput sperm gained motility and underwent molecular changes comparable with those observed for cauda mature sperm. Moreover, ligated caput sperm were able to activate pathways related to sperm capacitation. Despite these changes, ligated caput sperm were unable to fertilize in vitro. Our results suggest that transit through the epididymis is not required for the acquisition of motility and some capacitation-associated signaling but is essential for full epididymal maturation. Caput epididymal ligation is a useful tool for the study of the molecular pathways involved in the acquisition of sperm motility during maturation.
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Affiliation(s)
- Darya A. Tourzani
- Department of Veterinary and Animal Sciences, Integrated Science Building, University of Massachusetts, Amherst, MA 01003, USA; (D.A.T.); (A.M.S.)
| | - Maria A. Battistone
- Program in Membrane Biology, Nephrology Division, Massachusetts General Hospital and Harvard Medical School, Boston, MA 02115, USA; (M.A.B.); (S.B.)
| | - Ana M. Salicioni
- Department of Veterinary and Animal Sciences, Integrated Science Building, University of Massachusetts, Amherst, MA 01003, USA; (D.A.T.); (A.M.S.)
| | - Sylvie Breton
- Program in Membrane Biology, Nephrology Division, Massachusetts General Hospital and Harvard Medical School, Boston, MA 02115, USA; (M.A.B.); (S.B.)
| | - Pablo E. Visconti
- Department of Veterinary and Animal Sciences, Integrated Science Building, University of Massachusetts, Amherst, MA 01003, USA; (D.A.T.); (A.M.S.)
- Correspondence: (P.E.V.); (M.G.G.); Tel.: +1-413-545-5565 (P.E.V.)
| | - Maria G. Gervasi
- Department of Veterinary and Animal Sciences, Integrated Science Building, University of Massachusetts, Amherst, MA 01003, USA; (D.A.T.); (A.M.S.)
- Correspondence: (P.E.V.); (M.G.G.); Tel.: +1-413-545-5565 (P.E.V.)
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12
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Belemezova K, Bochev I, Ivanova-Todorova E, Kyurkchiev S, Kyurkchiev D. A study of the transformation of umbilical cord mesenchymal stem cells by interferon-gamma. IRANIAN JOURNAL OF BASIC MEDICAL SCIENCES 2021; 24:1203-1210. [PMID: 35083007 PMCID: PMC8751754 DOI: 10.22038/ijbms.2021.56619.12639] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/29/2021] [Accepted: 07/27/2021] [Indexed: 11/06/2022]
Abstract
OBJECTIVES Mesenchymal stem cells (MSCs) exist in almost all tissues. Their unique nature is completed by their immunomodulatory functions, holding promise for the treatment of many diseases. An inflammatory environment precedes the immunosuppressive abilities of MSCs and this study was intended to better understand how umbilical cord MSCs (UCMSCs) react to the process of inflammation, regarding their basic characteristics and behavior when primed with the key pro-inflammatory cytokine, Interferon-γ (IFNγ). MATERIALS AND METHODS Human MSCs from the umbilical cord were isolated, expanded, and treated with IFNγ. Primed cells were analyzed to define their ability to form colonies, their morphology, differentiation potential, proliferation, and apoptosis rate. RESULTS UCMSCs treated with IFNγ changed their fibroblast-like morphology and retained the expression of typical MSCs markers. IFNγ treated UCMSCs had significantly higher MFI levels regarding the expression of HLA-I (980.43 ± 556.64) and PD-L1 (598.04 ± 416.90) compared with the control cells (144.97 ± 78.5 and 122.05 ± 103.83, respectively; P<0.01). Under the influence of IFNγ, the cells had a lower population doubling time compared with the control cultures (50.345 ± 9.155 versus 61.135 ± 21.110, respectively; P<0.01) and higher numbers of colony-forming unit-fibroblasts (26.0 ± 12.2 versus 10.2 ± 8.0, respectively; P<0.05). The primed MSCs could not undergo osteogenic and adipogenic differentiation. IFNγ increased the percentage of cells in the apoptotic state on day eight (29.470 ± 6.59 versus 15.708 ± 6.190, respectively; P<0.01). CONCLUSION The properties of UCMSCs can be influenced by the pro-inflammatory cytokine IFNγ.
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Affiliation(s)
- Kalina Belemezova
- Laboratory of Clinical Immunology, University Hospital St. Ivan Rilski, Department of Clinical Immunology, Medical Faculty, Medical University of Sofia, Sofia, Bulgaria, Ob/Gyn Hospital Dr Shterev, Sofia, Bulgaria,Corresponding author: Kalina Belemezova. Laboratory of Clinical Immunology, University Hospital St. Ivan Rilski, Department of Clinical Immunology, Medical Faculty, Medical University of Sofia, Sofia, Bulgaria, Ob/Gyn Hospital Dr Shterev, 25-31 Hristo Blagoev str., Sofia, Bulgaria. Tel: +359884403540;
| | - Ivan Bochev
- Department of Molecular Immunology, Institute of Biology and Immunology of Reproduction, Bulgarian Academy of Sciences, Sofia, Bulgaria, Ob/Gyn Hospital Dr Shterev, Sofia, Bulgaria
| | - Ekaterina Ivanova-Todorova
- Laboratory of Clinical Immunology, University Hospital St. Ivan Rilski, Department of Clinical Immunology, Medical Faculty, Medical University of Sofia, Sofia, Bulgaria
| | | | - Dobroslav Kyurkchiev
- Laboratory of Clinical Immunology, University Hospital St. Ivan Rilski, Department of Clinical Immunology, Medical Faculty, Medical University of Sofia, Sofia, Bulgaria
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13
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Hosseinimehr SJ, Farzipour S, Alvandi M, Shaghaghi Z. Effect of using different co-ligands during 99mTc-labeling of J18 peptide on SK-MES-1 cell binding and tumor targeting. IRANIAN JOURNAL OF BASIC MEDICAL SCIENCES 2021; 24:1240-1246. [PMID: 35083011 PMCID: PMC8751750 DOI: 10.22038/ijbms.2021.57424.12770] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/30/2021] [Accepted: 07/19/2021] [Indexed: 11/08/2022]
Abstract
OBJECTIVES Lung cancer is the main cause of cancer death, and its incidence is increasing worldwide. The goal of this study is to evaluate in vitro and in vivo tumor targeting behavior of [99mTc]Tc -HYNIC-(Ser)3-J18 in lung carcinoma (SK-MES-1)-bearing mice. MATERIALS AND METHODS The J18 (RSLWSDFYASASRGP) peptide was conjugated with hydrazinonicotinamide (HYNIC) via three serine amino acids as a linker at the peptide's N-terminal and then labeled with technetium-99m using tricine and tricine/EDDA as the co-ligands. The radiolabeled peptides were assessed for in vitro receptor binding, specific binding, and saturation affinity. In vivo biodistribution studies were also performed for 99mTc-peptide 1 (tricine co-ligand) and 99mTc-peptide 2 (tricine/EDDA coligands) in nude mice bearing SK-MES-1 xenograft tumors. RESULTS In vitro studies showed high specific binding for 99mTc-peptide 1 in SKMES-1 cells compared with 99mTc-peptide 2 (11.5 vs. 4.5). The KD values for 99mTc-peptide 1 and 99mTc-peptide 2 were reported to be 3.1±0.3 nM and 3.46 ± 0.8 nM, respectively. The biodistribution study also showed high significant tumor to muscle ratios of 5.1 and 6.18 for 99mTc-peptide 1 at 1 and 2 hr after injection, respectively, while these ratios were 3.81 and 5.18 for peptide 2, respectively. CONCLUSION Overall, 99mTc-labeled J18 peptide in the presence of tricine as co-ligand has better in vitro and in vivo tumor targeting properties in SK-MES-1 cells than tricine/EDDA co-ligands. These findings show that the 99mTc-labeled J18 peptide is a good candidate for lung carcinoma targeting.
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Affiliation(s)
- Seyed Jalal Hosseinimehr
- Department of Radiopharmacy, Faculty of Pharmacy, Mazandaran University of Medical Sciences, Sari, Iran
| | - Soghra Farzipour
- Department of Radiopharmacy, Faculty of Pharmacy, Mazandaran University of Medical Sciences, Sari, Iran, Cardiovascular Diseases Research Center, Department of Cardiology, Heshmat Hospital, School of Medicine, Guilan University of Medical Sciences, Rasht, Iran
| | - Maryam Alvandi
- Department of Nuclear Medicine and Molecular Imaging, School of Medicine, Hamadan University of Medical Sciences, Hamadan, Iran
| | - Zahra Shaghaghi
- Department of Radiopharmacy, Faculty of Pharmacy, Mazandaran University of Medical Sciences, Sari, Iran, Department of Nuclear Medicine and Molecular Imaging, Clinical Development Research Unit of Farshchian Heart Center, Hamadan University of Medical Sciences, Hamadan, Iran,Corresponding author: Zahra Shaghaghi. Department of Nuclear Medicine and Molecular Imaging, Clinical Development Research Unit of Farshchian Heart Center, Hamadan University of Medical Sciences, Hamadan, Iran; Department of Radiopharmacy, Faculty of Pharmacy, Mazandaran University of Medical Sciences, Sari, Iran. Tel/ Fax: +98-8138381974;
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14
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Longhena F, Faustini G, Brembati V, Pizzi M, Benfenati F, Bellucci A. An updated reappraisal of synapsins: structure, function and role in neurological and psychiatric disorders. Neurosci Biobehav Rev 2021; 130:33-60. [PMID: 34407457 DOI: 10.1016/j.neubiorev.2021.08.011] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2021] [Revised: 07/29/2021] [Accepted: 08/09/2021] [Indexed: 01/02/2023]
Abstract
Synapsins (Syns) are phosphoproteins strongly involved in neuronal development and neurotransmitter release. Three distinct genes SYN1, SYN2 and SYN3, with elevated evolutionary conservation, have been described to encode for Synapsin I, Synapsin II and Synapsin III, respectively. Syns display a series of common features, but also exhibit distinctive localization, expression pattern, post-translational modifications (PTM). These characteristics enable their interaction with other synaptic proteins, membranes and cytoskeletal components, which is essential for the proper execution of their multiple functions in neuronal cells. These include the control of synapse formation and growth, neuron maturation and renewal, as well as synaptic vesicle mobilization, docking, fusion, recycling. Perturbations in the balanced expression of Syns, alterations of their PTM, mutations and polymorphisms of their encoding genes induce severe dysregulations in brain networks functions leading to the onset of psychiatric or neurological disorders. This review presents what we have learned since the discovery of Syn I in 1977, providing the state of the art on Syns structure, function, physiology and involvement in central nervous system disorders.
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Affiliation(s)
- Francesca Longhena
- Division of Pharmacology, Department of Molecular and Translational Medicine, University of Brescia, Viale Europa 11, 25123, Brescia, Italy.
| | - Gaia Faustini
- Division of Pharmacology, Department of Molecular and Translational Medicine, University of Brescia, Viale Europa 11, 25123, Brescia, Italy.
| | - Viviana Brembati
- Division of Pharmacology, Department of Molecular and Translational Medicine, University of Brescia, Viale Europa 11, 25123, Brescia, Italy.
| | - Marina Pizzi
- Division of Pharmacology, Department of Molecular and Translational Medicine, University of Brescia, Viale Europa 11, 25123, Brescia, Italy.
| | - Fabio Benfenati
- Italian Institute of Technology, Via Morego 30, Genova, Italy; IRCSS Policlinico San Martino Hospital, Largo Rosanna Benzi 10, 16132, Genova, Italy.
| | - Arianna Bellucci
- Division of Pharmacology, Department of Molecular and Translational Medicine, University of Brescia, Viale Europa 11, 25123, Brescia, Italy; Laboratory for Preventive and Personalized Medicine, Department of Molecular and Translational Medicine, University of Brescia, Viale Europa 11, 25123, Brescia, Italy.
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15
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Liu X, Blaženović I, Contreras AJ, Pham TM, Tabuloc CA, Li YH, Ji J, Fiehn O, Chiu JC. Hexosamine biosynthetic pathway and O-GlcNAc-processing enzymes regulate daily rhythms in protein O-GlcNAcylation. Nat Commun 2021; 12:4173. [PMID: 34234137 PMCID: PMC8263742 DOI: 10.1038/s41467-021-24301-7] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2020] [Accepted: 06/08/2021] [Indexed: 02/06/2023] Open
Abstract
The integration of circadian and metabolic signals is essential for maintaining robust circadian rhythms and ensuring efficient metabolism and energy use. Using Drosophila as an animal model, we show that cellular protein O-GlcNAcylation exhibits robust 24-hour rhythm and represents a key post-translational mechanism that regulates circadian physiology. We observe strong correlation between protein O-GlcNAcylation rhythms and clock-controlled feeding-fasting cycles, suggesting that O-GlcNAcylation rhythms are primarily driven by nutrient input. Interestingly, daily O-GlcNAcylation rhythms are severely dampened when we subject flies to time-restricted feeding at unnatural feeding time. This suggests the presence of clock-regulated buffering mechanisms that prevent excessive O-GlcNAcylation at non-optimal times of the day-night cycle. We show that this buffering mechanism is mediated by the expression and activity of GFAT, OGT, and OGA, which are regulated through integration of circadian and metabolic signals. Finally, we generate a mathematical model to describe the key factors that regulate daily O-GlcNAcylation rhythm.
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Affiliation(s)
- Xianhui Liu
- grid.27860.3b0000 0004 1936 9684Department of Entomology and Nematology, College of Agricultural and Environmental Sciences, University of California, Davis, CA USA
| | - Ivana Blaženović
- grid.27860.3b0000 0004 1936 9684West Coast Metabolomics Center, University of California, Davis, CA USA
| | - Adam J. Contreras
- grid.27860.3b0000 0004 1936 9684Department of Entomology and Nematology, College of Agricultural and Environmental Sciences, University of California, Davis, CA USA
| | - Thu M. Pham
- grid.27860.3b0000 0004 1936 9684Department of Entomology and Nematology, College of Agricultural and Environmental Sciences, University of California, Davis, CA USA
| | - Christine A. Tabuloc
- grid.27860.3b0000 0004 1936 9684Department of Entomology and Nematology, College of Agricultural and Environmental Sciences, University of California, Davis, CA USA
| | - Ying H. Li
- grid.27860.3b0000 0004 1936 9684Department of Entomology and Nematology, College of Agricultural and Environmental Sciences, University of California, Davis, CA USA
| | - Jian Ji
- grid.509509.00000 0004 7699 6596School of Food Science, State Key Laboratory of Food Science and Technology, National Engineering Research Center for Functional Foods, School of Food Science Synergetic Innovation Center of Food Safety and Nutrition, Jiangnan University, Wuxi, Jiangsu China
| | - Oliver Fiehn
- grid.27860.3b0000 0004 1936 9684West Coast Metabolomics Center, University of California, Davis, CA USA
| | - Joanna C. Chiu
- grid.27860.3b0000 0004 1936 9684Department of Entomology and Nematology, College of Agricultural and Environmental Sciences, University of California, Davis, CA USA
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16
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Garcia APV, Reis LA, Nunes FC, Longford FGJ, Frey JG, de Paula AM, Cassali GD. Canine mammary cancer tumour behaviour and patient survival time are associated with collagen fibre characteristics. Sci Rep 2021; 11:5668. [PMID: 33707516 PMCID: PMC7952730 DOI: 10.1038/s41598-021-85104-w] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2020] [Accepted: 02/19/2021] [Indexed: 01/31/2023] Open
Abstract
Precise diagnosis and prognosis are key in prevention and reduction of morbidity and mortality in all types of cancers. Here we show that changes in the collagen fibres in the main histological subtypes of canine mammary gland carcinomas are directly associated with the tumour behaviour and the animal survival time and could become a useful tool in helping with diagnosis. Imaging by second harmonic generation and multiphoton excited fluorescence microscopy were performed to evaluate the collagen and cellular segment parameters in cancer biopsies. We present a retrospective study of 45 cases of canine mammary cancer analysing 836 biopsies regions including normal mammary gland tissue, benign mixed tumours, carcinoma in mixed tumour, carcinosarcoma, micropapillary carcinoma and solid carcinoma. The image analyses and the comparison between the tumour types allowed to assess the collagen fibre changes during tumour progression. We demonstrate that the collagen parameters correlate with the clinical and pathological data, the results show that in neoplastic tissues, the collagen fibres are more aligned and shorter as compared to the normal tissues. There is a clear association of the mean fibre length with the dogs survival times, the carcinomas presenting shorter collagen fibres indicate a worse survival rate.
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Affiliation(s)
- Ana P. V. Garcia
- grid.8430.f0000 0001 2181 4888Laboratório de Patologia Comparada, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, MG 31270-901 Brazil
| | - Luana A. Reis
- grid.8430.f0000 0001 2181 4888Departamento de Física, Instituto de Ciências Exatas, Universidade Federal de Minas Gerais, Belo Horizonte, MG 31270-901 Brazil
| | - Fernanda C. Nunes
- grid.8430.f0000 0001 2181 4888Laboratório de Patologia Comparada, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, MG 31270-901 Brazil
| | | | - Jeremy G. Frey
- grid.5491.90000 0004 1936 9297University of Southampton, Southampton, SO17 1BJ UK
| | - Ana M. de Paula
- grid.8430.f0000 0001 2181 4888Departamento de Física, Instituto de Ciências Exatas, Universidade Federal de Minas Gerais, Belo Horizonte, MG 31270-901 Brazil
| | - Geovanni D. Cassali
- grid.8430.f0000 0001 2181 4888Laboratório de Patologia Comparada, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, MG 31270-901 Brazil
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17
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Mishra S, Bassi G, Nyomba BLG. Inter-proteomic posttranslational modifications of the SARS-CoV-2 and the host proteins ‒ A new frontier. Exp Biol Med (Maywood) 2021; 246:749-757. [DOI: 10.1177/1535370220986785] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
Abstract
Posttranslational modification of proteins, which include both the enzymatic alterations of protein side chains and main-chain peptide bond connectivity, is a fundamental regulatory process that is crucial for almost every aspects of cell biology, including the virus-host cell interaction and the SARS-CoV-2 infection. The posttranslational modification of proteins has primarily been studied in cells and tissues in an intra-proteomic context (where both substrates and enzymes are part of the same species). However, the inter-proteomic posttranslational modifications of most of the SARS-CoV-2 proteins by the host enzymes and vice versa are largely unexplored in virus pathogenesis and in the host immune response. It is now known that the structural spike (S) protein of the SARS-CoV-2 undergoes proteolytic priming by the host serine proteases for entry into the host cells, and N- and O-glycosylation by the host cell enzymes during virion packaging, which enable the virus to spread. New evidence suggests that both SARS-CoV-2 and the host proteins undergo inter-proteomic posttranslational modifications, which play roles in virus pathogenesis and infection-induced immune response by hijacking the host cell signaling. The purpose of this minireview is to bring attention of the scientific community to recent cutting-edge discoveries in this understudied area. It is likely that a better insight into the molecular mechanisms involved may open new research directions, and thereby contribute to novel therapeutic modality development against the SARS-CoV-2. Here we briefly discuss the rationale and touch upon some unanswered questions in this context, especially those that require attention from the scientific community.
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Affiliation(s)
- Suresh Mishra
- Department of Internal Medicine, College of Medicine, Faculty of Health Sciences, University of Manitoba, Manitoba R3E 3P4, Canada
- Department of Physiology and Pathophysiology, College of Medicine, Faculty of Health Sciences, University of Manitoba, Manitoba R3E 3P4, Canada
| | - Geetika Bassi
- Department of Physiology and Pathophysiology, College of Medicine, Faculty of Health Sciences, University of Manitoba, Manitoba R3E 3P4, Canada
| | - BL Grégoire Nyomba
- Department of Internal Medicine, College of Medicine, Faculty of Health Sciences, University of Manitoba, Manitoba R3E 3P4, Canada
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18
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Xu Y, Sheng X, Zhao T, Zhang L, Ruan Y, Lu H. O-GlcNAcylation of MEK2 promotes the proliferation and migration of breast cancer cells. Glycobiology 2020; 31:571-581. [PMID: 33226073 DOI: 10.1093/glycob/cwaa103] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2020] [Revised: 11/06/2020] [Accepted: 11/14/2020] [Indexed: 12/13/2022] Open
Abstract
Mitogen-activated protein kinase kinases are an important part of evolutionary conserved signaling modules that are involved in a variety of cellular processes in response to environmental stimuli. Among them, mitogen-activated protein kinase kinase 2 (MEK2) is the most crucial upstream signaling pathway of ERK1/2 cascade as a therapeutic target for overcoming Ras-driven cancers. However, the mechanisms of MEK2 regulation during tumor progression remain not fully elucidated. Herein, we identified that MEK2 was post-translationally regulated by O-GlcNAcylation. We found that MEK2 associated with OGT and was modified by O-GlcNAc. Mass spectrometry analysis further verified that O-GlcNAcylation of MEK2 occurred at Thr13, which was in the docking domain for specifically identifying its target proteins. While total O-GlcNAcylation stimulated the protein stability and phosphorylation of MEK2, Thr13 O-GlcNAcylation of MEK2 specifically enhanced its Thr394 phosphorylation as well as downstream ERK1/2 activation. Genetic ablation of MEK2 O-GlcNAcylation at Thr13 abrogated its ability to promote the proliferation and migration of breast cancer cells. Together, our data demonstrate that O-GlcNAcylation of MEK2 might be a key regulatory mechanism during tumorigenesis and is a potential therapeutic target for tumor treatment.
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Affiliation(s)
- Yaoyao Xu
- Shanghai Cancer Center and Institutes of Biomedical Sciences, Fudan University, Shanghai 200032, China
| | - Xiangying Sheng
- Shanghai Cancer Center and Institutes of Biomedical Sciences, Fudan University, Shanghai 200032, China.,Department of Chemistry, Fudan University, Shanghai 200433, China
| | - Ting Zhao
- Shanghai Cancer Center and Institutes of Biomedical Sciences, Fudan University, Shanghai 200032, China
| | - Lei Zhang
- Shanghai Cancer Center and Institutes of Biomedical Sciences, Fudan University, Shanghai 200032, China
| | - Yuanyuan Ruan
- NHC Key Laboratory of Glycoconjugates Research, Fudan University, Shanghai 200032, China.,Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Fudan University, Shanghai 200032, China
| | - Haojie Lu
- Shanghai Cancer Center and Institutes of Biomedical Sciences, Fudan University, Shanghai 200032, China.,Department of Chemistry, Fudan University, Shanghai 200433, China.,NHC Key Laboratory of Glycoconjugates Research, Fudan University, Shanghai 200032, China
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19
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Chatham JC, Zhang J, Wende AR. Role of O-Linked N-Acetylglucosamine Protein Modification in Cellular (Patho)Physiology. Physiol Rev 2020; 101:427-493. [PMID: 32730113 DOI: 10.1152/physrev.00043.2019] [Citation(s) in RCA: 146] [Impact Index Per Article: 36.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
In the mid-1980s, the identification of serine and threonine residues on nuclear and cytoplasmic proteins modified by a N-acetylglucosamine moiety (O-GlcNAc) via an O-linkage overturned the widely held assumption that glycosylation only occurred in the endoplasmic reticulum, Golgi apparatus, and secretory pathways. In contrast to traditional glycosylation, the O-GlcNAc modification does not lead to complex, branched glycan structures and is rapidly cycled on and off proteins by O-GlcNAc transferase (OGT) and O-GlcNAcase (OGA), respectively. Since its discovery, O-GlcNAcylation has been shown to contribute to numerous cellular functions, including signaling, protein localization and stability, transcription, chromatin remodeling, mitochondrial function, and cell survival. Dysregulation in O-GlcNAc cycling has been implicated in the progression of a wide range of diseases, such as diabetes, diabetic complications, cancer, cardiovascular, and neurodegenerative diseases. This review will outline our current understanding of the processes involved in regulating O-GlcNAc turnover, the role of O-GlcNAcylation in regulating cellular physiology, and how dysregulation in O-GlcNAc cycling contributes to pathophysiological processes.
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Affiliation(s)
- John C Chatham
- Division of Molecular and Cellular Pathology, Department of Pathology, University of Alabama at Birmingham, Birmingham, Alabama; and Birmingham Veterans Affairs Medical Center, Birmingham, Alabama
| | - Jianhua Zhang
- Division of Molecular and Cellular Pathology, Department of Pathology, University of Alabama at Birmingham, Birmingham, Alabama; and Birmingham Veterans Affairs Medical Center, Birmingham, Alabama
| | - Adam R Wende
- Division of Molecular and Cellular Pathology, Department of Pathology, University of Alabama at Birmingham, Birmingham, Alabama; and Birmingham Veterans Affairs Medical Center, Birmingham, Alabama
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20
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Hardivillé S, Banerjee PS, Selen Alpergin ES, Smith DM, Han G, Ma J, Talbot CC, Hu P, Wolfgang MJ, Hart GW. TATA-Box Binding Protein O-GlcNAcylation at T114 Regulates Formation of the B-TFIID Complex and Is Critical for Metabolic Gene Regulation. Mol Cell 2019; 77:1143-1152.e7. [PMID: 31866147 DOI: 10.1016/j.molcel.2019.11.022] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2019] [Revised: 10/14/2019] [Accepted: 11/26/2019] [Indexed: 12/31/2022]
Abstract
In eukaryotes, gene expression is performed by three RNA polymerases that are targeted to promoters by molecular complexes. A unique common factor, the TATA-box binding protein (TBP), is thought to serve as a platform to assemble pre-initiation complexes competent for transcription. Here, we describe a novel molecular mechanism of nutrient regulation of gene transcription by dynamic O-GlcNAcylation of TBP. We show that O-GlcNAcylation at T114 of TBP blocks its interaction with BTAF1, hence the formation of the B-TFIID complex, and its dynamic cycling on and off of DNA. Transcriptomic and metabolomic analyses of TBPT114A CRISPR/Cas9-edited cells showed that loss of O-GlcNAcylation at T114 increases TBP binding to BTAF1 and directly impacts expression of 408 genes. Lack of O-GlcNAcylation at T114 is associated with a striking reprogramming of cellular metabolism induced by a profound modification of the transcriptome, leading to gross alterations in lipid storage.
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Affiliation(s)
- Stéphan Hardivillé
- Department of Biological Chemistry, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA.
| | - Partha S Banerjee
- Department of Biological Chemistry, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA
| | - Ebru S Selen Alpergin
- Department of Biological Chemistry, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA
| | - Danielle M Smith
- Department of Biological Chemistry, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA
| | - Guanghui Han
- Department of Biological Chemistry, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA
| | - Junfeng Ma
- Department of Biological Chemistry, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA
| | - C Conover Talbot
- Institute for Basic Biomedical Sciences, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA
| | - Ping Hu
- Department of Biological Chemistry, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA
| | - Michael J Wolfgang
- Department of Biological Chemistry, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA
| | - Gerald W Hart
- Department of Biological Chemistry, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA.
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Rahmani S, Defferrari MS, Wakarchuk WW, Antonescu CN. Energetic adaptations: Metabolic control of endocytic membrane traffic. Traffic 2019; 20:912-931. [DOI: 10.1111/tra.12705] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2019] [Revised: 09/11/2019] [Accepted: 10/13/2019] [Indexed: 12/18/2022]
Affiliation(s)
- Sadia Rahmani
- Department of Chemistry and BiologyRyerson University Toronto Ontario Canada
| | | | - Warren W. Wakarchuk
- Department of Chemistry and BiologyRyerson University Toronto Ontario Canada
- Department of Biological SciencesUniversity of Alberta Edmonton Alberta Canada
| | - Costin N. Antonescu
- Department of Chemistry and BiologyRyerson University Toronto Ontario Canada
- Keenan Research Centre for Biomedical Science of St. Michael's Hospital Toronto Ontario Canada
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22
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Sharif S, Shi J, Ruijtenbeek R, Pieters RJ. Study of cross talk between phosphatases and OGA on a ZO-3-derived peptide. Amino Acids 2019; 51:739-743. [PMID: 30725225 DOI: 10.1007/s00726-019-02699-1] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2018] [Accepted: 01/11/2019] [Indexed: 02/04/2023]
Abstract
O-GlcNAcylation, like phosphorylation, is a dynamic and rapid posttranslational modification which regulates many cellular processes. Phosphorylation on tyrosine and O-GlcNAcylation on nearby serine or threonine residues may modulate each other. Indeed, by using a microarray with a peptide model system based on the ZO-3 protein, extensive cross talk between O-GlcNAcylation by OGT and phosphorylation by kinases was observed. However, studying the effects of kinases and OGT without the reverse processes catalyzed by phosphatases and O-GlcNAcase (OGA) does not provide a complete picture of the cross talk. The study of the missing part showed that nearby phosphorylation affects the de-O-GlcNAcylation by OGA, but not to the same extent as it affects the O-GlcNAcylation by OGT. Both the phosphorylation and de-phosphorylation processes were only slightly affected by the presence of an O-GlcNAc residue on a nearby serine.
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Affiliation(s)
- Suhela Sharif
- Department of Chemical Biology and Drug Discovery, Utrecht Institute for Pharmaceutical Sciences, Utrecht University, P. O. Box 80082, 3508 TB, Utrecht, The Netherlands
| | - Jie Shi
- Department of Chemical Biology and Drug Discovery, Utrecht Institute for Pharmaceutical Sciences, Utrecht University, P. O. Box 80082, 3508 TB, Utrecht, The Netherlands
| | - Rob Ruijtenbeek
- Department of Chemical Biology and Drug Discovery, Utrecht Institute for Pharmaceutical Sciences, Utrecht University, P. O. Box 80082, 3508 TB, Utrecht, The Netherlands.,PamGene International BV, 's-Hertogenbosch, The Netherlands
| | - Roland J Pieters
- Department of Chemical Biology and Drug Discovery, Utrecht Institute for Pharmaceutical Sciences, Utrecht University, P. O. Box 80082, 3508 TB, Utrecht, The Netherlands.
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Abstract
Alteration of glycosylation, a hallmark of cancer, results in the production of tumor-associated glycans or glycoproteins. These molecules are subsequently secreted or membrane-shed into the blood stream and thus serve as tumor-associated markers. Increased glycosylation in cancer is triggered by overexpression of glycoproteins that carry certain specific glycans, increase or decrease of nucleotide sugar donors and altered expression of glycosyltransferase and glycosidase enzymes. In this chapter, the biochemistry and function of glycoprotein, glycan and enzyme markers are reviewed. These glycosylation markers, applicable for detection and monitoring of cancer, include CA19-9, CA125, CEA, PSA and AFP. Because of their specific affinity to distinct sugar moieties, lectins are useful for developing assays to detect these tumor associated glycans and glycoproteins in clinical samples. As such, various enzyme-linked lectin assays (ELLA) have been developed for diagnosis, monitoring and prognosis. Because glycosylation changes occur early in cancer, the detection of tumor associated glycosylation markers using lectin based assays is an effective strategy to improve diagnosis and treatment resulting better outcomes clinically.
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Tourzani DA, Paudel B, Miranda PV, Visconti PE, Gervasi MG. Changes in Protein O-GlcNAcylation During Mouse Epididymal Sperm Maturation. Front Cell Dev Biol 2018; 6:60. [PMID: 29942801 PMCID: PMC6004373 DOI: 10.3389/fcell.2018.00060] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2018] [Accepted: 05/22/2018] [Indexed: 12/25/2022] Open
Abstract
After leaving the testis, sperm undergo two sequential maturational processes before acquiring fertilizing capacity: sperm maturation in the male epididymis, and sperm capacitation in the female reproductive tract. During their transit through the epididymis, sperm experience several maturational changes; the acquisition of motility is one of them. The molecular basis of the regulation of this process is still not fully understood. Sperm are both transcriptionally and translationally silent, therefore post-translational modifications are essential to regulate their function. The post-translational modification by the addition of O-linked β-N-acetylglucosamine (O-GlcNAc) can act as a counterpart of phosphorylation in different cellular processes. Therefore, our work was aimed to characterize the O-GlcNAcylation system in the male reproductive tract and the occurrence of this phenomenon during sperm maturation. Our results indicate that O-GlcNAc transferase (OGT), the enzyme responsible for O-GlcNAcylation, is present in the testis, epididymis and immature caput sperm. Its presence is significantly reduced in mature cauda sperm. Consistently, caput sperm display high levels of O-GlcNAcylation when compared to mature cauda sperm, where it is mostly absent. Our results indicate that the modulation of O-GlcNAcylation takes place during sperm maturation and suggest a role for this post-translational modification in this process.
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Affiliation(s)
- Darya A Tourzani
- Department of Veterinary and Animal Sciences, Integrated Sciences Building, University of Massachusetts, Amherst, MA, United States
| | - Bidur Paudel
- Department of Veterinary and Animal Sciences, Integrated Sciences Building, University of Massachusetts, Amherst, MA, United States
| | - Patricia V Miranda
- Instituto de Agrobiotecnología Rosario S.A. (INDEAR), Rosario, Argentina
| | - Pablo E Visconti
- Department of Veterinary and Animal Sciences, Integrated Sciences Building, University of Massachusetts, Amherst, MA, United States
| | - María G Gervasi
- Department of Veterinary and Animal Sciences, Integrated Sciences Building, University of Massachusetts, Amherst, MA, United States
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25
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Laarse SAM, Leney AC, Heck AJR. Crosstalk between phosphorylation and O‐Glc
NA
cylation: friend or foe. FEBS J 2018; 285:3152-3167. [DOI: 10.1111/febs.14491] [Citation(s) in RCA: 62] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2018] [Revised: 03/27/2018] [Accepted: 04/26/2018] [Indexed: 12/13/2022]
Affiliation(s)
- Saar A. M. Laarse
- Biomolecular Mass Spectrometry and Proteomics Bijvoet Center for Biomolecular Research and Utrecht Institute for Pharmaceutical Sciences Utrecht University The Netherlands
- Netherlands Proteomics Centre Utrecht The Netherlands
| | - Aneika C. Leney
- Biomolecular Mass Spectrometry and Proteomics Bijvoet Center for Biomolecular Research and Utrecht Institute for Pharmaceutical Sciences Utrecht University The Netherlands
- Netherlands Proteomics Centre Utrecht The Netherlands
| | - Albert J. R. Heck
- Biomolecular Mass Spectrometry and Proteomics Bijvoet Center for Biomolecular Research and Utrecht Institute for Pharmaceutical Sciences Utrecht University The Netherlands
- Netherlands Proteomics Centre Utrecht The Netherlands
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26
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Jo YK, Park NY, Park SJ, Kim BG, Shin JH, Jo DS, Bae DJ, Suh YA, Chang JH, Lee EK, Kim SY, Kim JC, Cho DH. O-GlcNAcylation of ATG4B positively regulates autophagy by increasing its hydroxylase activity. Oncotarget 2018; 7:57186-57196. [PMID: 27527864 PMCID: PMC5302982 DOI: 10.18632/oncotarget.11083] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2016] [Accepted: 07/26/2016] [Indexed: 11/25/2022] Open
Abstract
Autophagy is a catabolic degradation process and maintains cellular homeostasis. And autophagy is activated in response to various stress conditions. Although O-GlcNAcylation functions a sensor for nutrient and stress, the relationship between O-GlcNAcylation and autophagy is largely unknown. Here, we identified that ATG4B is novel target for O-GlcNAcylation under metabolic stress condition. Treatment with PugNAc, an O-GlcNAcase inhibitor increased activation of autophagy in SH-SY5Y cells. Both bimolecular fluorescence complementation and immunoprecipitation assay indicated that OGT directly interacts with ATG4B in SH-SY5Y cells. We also found that the O-GlcNAcylated ATG4B was increased in autophagy activation conditions, and down-regulation of OGT reduces O-GlcNAcylation of ATG4B under low glucose condition. Furthermore, the proteolytic activity of ATG4B for LC3 cleavage was enhanced in PugNAc-treated cells. Taken together, these results imply that O-GlcNAcylation of ATG4B regulates autophagy activation by increasing its proteolytic activity under metabolic stress condition.
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Affiliation(s)
- Yoon Kyung Jo
- Department of Gerontology, Graduate School of East-West Medical Science, Kyung Hee University, Yongin, South Korea
| | - Na Yeon Park
- Department of Gerontology, Graduate School of East-West Medical Science, Kyung Hee University, Yongin, South Korea
| | - So Jung Park
- Department of Gerontology, Graduate School of East-West Medical Science, Kyung Hee University, Yongin, South Korea
| | - Byung-Gyu Kim
- Leading-edge Research Center for Drug Discovery and Development for Diabetes and Metabolic Disease, School of Medicine, Kyungpook National University Hospital, Daegu, South Korea
| | - Ji Hyun Shin
- Department of Gerontology, Graduate School of East-West Medical Science, Kyung Hee University, Yongin, South Korea
| | - Doo Sin Jo
- Department of Gerontology, Graduate School of East-West Medical Science, Kyung Hee University, Yongin, South Korea
| | - Dong-Jun Bae
- Asan Institute for Life Sciences, Asan Medical Center, Seoul, South Korea
| | - Young-Ah Suh
- Asan Institute for Life Sciences, Asan Medical Center, Seoul, South Korea
| | - Jeong Ho Chang
- Department of Biology Education, Kyungpook National University, Daegu, South Korea
| | - Eun Kyung Lee
- Department of Biochemistry, College of Medicine, Catholic University of Korea, Seoul, South Korea
| | - Sang-Yeob Kim
- Asan Institute for Life Sciences, Asan Medical Center, Seoul, South Korea
| | - Jin Cheon Kim
- Asan Institute for Life Sciences, Asan Medical Center, Seoul, South Korea.,Department of Surgery, University of Ulsan College of Medicine, Asan Medical Center, Seoul, South Korea
| | - Dong-Hyung Cho
- Department of Gerontology, Graduate School of East-West Medical Science, Kyung Hee University, Yongin, South Korea
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27
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Very N, Vercoutter-Edouart AS, Lefebvre T, Hardivillé S, El Yazidi-Belkoura I. Cross-Dysregulation of O-GlcNAcylation and PI3K/AKT/mTOR Axis in Human Chronic Diseases. Front Endocrinol (Lausanne) 2018; 9:602. [PMID: 30356686 PMCID: PMC6189293 DOI: 10.3389/fendo.2018.00602] [Citation(s) in RCA: 48] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/20/2018] [Accepted: 09/21/2018] [Indexed: 02/06/2023] Open
Abstract
The hexosamine biosynthetic pathway (HBP) and the phosphatidylinositol 3-kinase (PI3K)/AKT/mammalian target of rapamycin (mTOR) signaling pathway are considered as nutrient sensors that regulate several essential biological processes. The hexosamine biosynthetic pathway produces uridine diphosphate N-acetylglucosamine (UDP-GlcNAc), the substrate for O-GlcNAc transferase (OGT), the enzyme that O-GlcNAcylates proteins on serine (Ser) and threonine (Thr) residues. O-linked β-N-acetylglucosaminylation (O-GlcNAcylation) and phosphorylation are highly dynamic post-translational modifications occurring at the same or adjacent sites that regulate folding, stability, subcellular localization, partner interaction, or activity of target proteins. Here we review recent evidence of a cross-regulation of PI3K/AKT/mTOR signaling pathway and protein O-GlcNAcylation. Furthermore, we discuss their co-dysregulation in pathological conditions, e.g., cancer, type-2 diabetes (T2D), and cardiovascular, and neurodegenerative diseases.
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28
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Prohibitin: a potential therapeutic target in tyrosine kinase signaling. Signal Transduct Target Ther 2017; 2:17059. [PMID: 29263933 PMCID: PMC5730683 DOI: 10.1038/sigtrans.2017.59] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2017] [Revised: 08/03/2017] [Accepted: 09/07/2017] [Indexed: 11/10/2022] Open
Abstract
Prohibitin is a pleiotropic protein that has roles in fundamental cellular processes, such as cellular proliferation and mitochondrial housekeeping, and in cell- or tissue-specific functions, such as adipogenesis and immune cell functions. The different functions of prohibitin are mediated by its cell compartment-specific attributes, which include acting as an adaptor molecule in membrane signaling, a scaffolding protein in mitochondria, and a transcriptional co-regulator in the nucleus. However, the precise relationship between its distinct cellular localization and diverse functions remain largely unknown. Accumulating evidence suggests that the phosphorylation of prohibitin plays a role in a number of cell signaling pathways and in intracellular trafficking. Herein, we discuss the known and potential importance of the site-specific phosphorylation of prohibitin in regulating these features. We will discuss this in the context of new evidence from tissue-specific transgenic mouse models of prohibitin, including a mutant prohibitin lacking a crucial tyrosine phosphorylation site. We conclude with the opinion that prohibitin can be used as a potential target for tyrosine kinase signal transduction-targeting therapy, including in insulin, growth factors, and immune signaling pathways.
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Shi J, Tomašič T, Sharif S, Brouwer AJ, Anderluh M, Ruijtenbeek R, Pieters RJ. Peptide microarray analysis of the cross-talk between O-GlcNAcylation and tyrosine phosphorylation. FEBS Lett 2017; 591:1872-1883. [DOI: 10.1002/1873-3468.12708] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2017] [Accepted: 05/31/2017] [Indexed: 12/18/2022]
Affiliation(s)
- Jie Shi
- Department of Chemical Biology and Drug Discovery; Utrecht Institute for Pharmaceutical Sciences, Utrecht University; Utrecht The Netherlands
| | | | - Suhela Sharif
- Department of Chemical Biology and Drug Discovery; Utrecht Institute for Pharmaceutical Sciences, Utrecht University; Utrecht The Netherlands
| | - Arwin J. Brouwer
- Department of Chemical Biology and Drug Discovery; Utrecht Institute for Pharmaceutical Sciences, Utrecht University; Utrecht The Netherlands
| | | | - Rob Ruijtenbeek
- Department of Chemical Biology and Drug Discovery; Utrecht Institute for Pharmaceutical Sciences, Utrecht University; Utrecht The Netherlands
- PamGene International BV; ‘s-Hertogenbosch The Netherlands
| | - Roland J. Pieters
- Department of Chemical Biology and Drug Discovery; Utrecht Institute for Pharmaceutical Sciences, Utrecht University; Utrecht The Netherlands
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30
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Lambert M, Richard E, Duban-Deweer S, Krzewinski F, Deracinois B, Dupont E, Bastide B, Cieniewski-Bernard C. O-GlcNAcylation is a key modulator of skeletal muscle sarcomeric morphometry associated to modulation of protein-protein interactions. Biochim Biophys Acta Gen Subj 2016; 1860:2017-30. [PMID: 27301331 DOI: 10.1016/j.bbagen.2016.06.011] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2016] [Revised: 05/18/2016] [Accepted: 06/06/2016] [Indexed: 12/27/2022]
Abstract
BACKGROUND The sarcomere structure of skeletal muscle is determined through multiple protein-protein interactions within an intricate sarcomeric cytoskeleton network. The molecular mechanisms involved in the regulation of this sarcomeric organization, essential to muscle function, remain unclear. O-GlcNAcylation, a post-translational modification modifying several key structural proteins and previously described as a modulator of the contractile activity, was never considered to date in the sarcomeric organization. METHODS C2C12 skeletal myotubes were treated with Thiamet-G (OGA inhibitor) in order to increase the global O-GlcNAcylation level. RESULTS Our data clearly showed a modulation of the O-GlcNAc level more sensitive and dynamic in the myofilament-enriched fraction than total proteome. This fine O-GlcNAc level modulation was closely related to changes of the sarcomeric morphometry. Indeed, the dark-band and M-line widths increased, while the I-band width and the sarcomere length decreased according to the myofilament O-GlcNAc level. Some structural proteins of the sarcomere such as desmin, αB-crystallin, α-actinin, moesin and filamin-C have been identified within modulated protein complexes through O-GlcNAc level variations. Their interactions seemed to be changed, especially for desmin and αB-crystallin. CONCLUSIONS For the first time, our findings clearly demonstrate that O-GlcNAcylation, through dynamic regulations of the structural interactome, could be an important modulator of the sarcomeric structure and may provide new insights in the understanding of molecular mechanisms of neuromuscular diseases characterized by a disorganization of the sarcomeric structure. GENERAL SIGNIFICANCE In the present study, we demonstrated a role of O-GlcNAcylation in the sarcomeric structure modulation.
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Affiliation(s)
- Matthias Lambert
- Univ.Lille, EA7369-URePSSS, Unité de Recherche Pluridisciplinaire Sport, Santé, Société, Equipe « Activité Physique, Muscle, Santé », F-59000 Lille, France
| | - Elodie Richard
- BiCeL (BioImaging Center of Lille - Campus Lille 1), Univ.Lille, FR3688 CNRS FRABio, F-59000 Lille, France
| | - Sophie Duban-Deweer
- Laboratoire de la Barrière Hémato-Encéphalique (LBHE), EA2465, Université d'Artois, Faculté Jean Perrin, 62307 Lens, France
| | - Frederic Krzewinski
- PAGés (Plateforme d'Analyses des Glycoconjugués), Univ.Lille, CNRS, UMR 8576, UGSF, Unité de Glycobiologie Structurale et Fonctionnelle, F-59000 Lille, France
| | - Barbara Deracinois
- Univ.Lille, EA7369-URePSSS, Unité de Recherche Pluridisciplinaire Sport, Santé, Société, Equipe « Activité Physique, Muscle, Santé », F-59000 Lille, France
| | - Erwan Dupont
- Univ.Lille, EA7369-URePSSS, Unité de Recherche Pluridisciplinaire Sport, Santé, Société, Equipe « Activité Physique, Muscle, Santé », F-59000 Lille, France
| | - Bruno Bastide
- Univ.Lille, EA7369-URePSSS, Unité de Recherche Pluridisciplinaire Sport, Santé, Société, Equipe « Activité Physique, Muscle, Santé », F-59000 Lille, France
| | - Caroline Cieniewski-Bernard
- Univ.Lille, EA7369-URePSSS, Unité de Recherche Pluridisciplinaire Sport, Santé, Société, Equipe « Activité Physique, Muscle, Santé », F-59000 Lille, France.
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31
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Kumar A, Ghosh S, Bhatt DN, Narula A, Datta A. Magnaporthe oryzaeaminosugar metabolism is essential for successful host colonization. Environ Microbiol 2016; 18:1063-77. [DOI: 10.1111/1462-2920.13215] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2015] [Revised: 01/03/2016] [Accepted: 01/07/2016] [Indexed: 01/14/2023]
Affiliation(s)
- Anil Kumar
- National Institute of Plant Genome Research; New Delhi 110067 India
| | - Sumit Ghosh
- National Institute of Plant Genome Research; New Delhi 110067 India
| | | | - Alka Narula
- National Institute of Plant Genome Research; New Delhi 110067 India
| | - Asis Datta
- National Institute of Plant Genome Research; New Delhi 110067 India
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32
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Cieniewski-Bernard C, Dupont E, Deracinois B, Lambert M, Bastide B. Multiplexed Detection of O-GlcNAcome, Phosphoproteome, and Whole Proteome within the Same Gel. Front Endocrinol (Lausanne) 2014; 5:184. [PMID: 25389416 PMCID: PMC4211549 DOI: 10.3389/fendo.2014.00184] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/28/2014] [Accepted: 10/11/2014] [Indexed: 11/18/2022] Open
Abstract
The cellular diversity of proteins results in part from their post-translational modifications. Among all of them, the O-GlcNAcylation is an atypical glycosylation, more similar to phosphorylation than classical glycosylations. Highly dynamic, reversible, and exclusively localized on cytosolic, nuclear, and mitochondrial proteins, O-GlcNAcylation is known to regulate almost all if not all cellular processes. Fundamental for the cell life, O-GlcNAcylation abnormalities are involved in the etiology of several inherited diseases. Assessing to O-GlcNAcylation pattern will permit to get relevant data about the role of O-GlcNAcylation in cell physiology. To get understanding about the role of O-GlcNAcylation, as also considering its interplay with phosphorylation, the O-GlcNAc profiling remains a real challenge for the community of proteomists/glycoproteomists. The development of multiplexed proteomics based on fluorescent detection of proteins permits to go further in the understanding of the proteome complexity. We propose herein a multiplexed proteomic strategy to detect O-GlcNAcylated proteins, phosphoproteins, and the whole proteome within the same bidimensional gel. In particular, we investigated the phosphoproteome through the ProQ Diamond staining, while the whole proteome was visualized through Sypro Ruby staining, or after the labeling of proteins with a T-Dye fluorophore. The O-GlcNAcome was revealed by the way of the Click chemistry and the azide-alkyne cycloaddition of a fluorophore on GlcNAc moieties. This method permits, after sequential image acquisition, the direct in-gel detection of O-GlcNAcome, phosphoproteome, and whole proteome.
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Affiliation(s)
- Caroline Cieniewski-Bernard
- Université Lille Nord de France, Lille, France
- EA4488, APMS (Physical activity muscle and health), URePSSS, Université de Lille 1, Villeneuve d’Ascq, France
- *Correspondence: Caroline Cieniewski-Bernard, EA4488 Laboratoire Activité Physique, Muscle et Santé, IFR114, Biology Department, Université de Lille 1, Villeneuve d’Ascq 59655, France e-mail:
| | - Erwan Dupont
- Université Lille Nord de France, Lille, France
- EA4488, APMS (Physical activity muscle and health), URePSSS, Université de Lille 1, Villeneuve d’Ascq, France
| | - Barbara Deracinois
- Université Lille Nord de France, Lille, France
- EA4488, APMS (Physical activity muscle and health), URePSSS, Université de Lille 1, Villeneuve d’Ascq, France
| | - Matthias Lambert
- Université Lille Nord de France, Lille, France
- EA4488, APMS (Physical activity muscle and health), URePSSS, Université de Lille 1, Villeneuve d’Ascq, France
| | - Bruno Bastide
- Université Lille Nord de France, Lille, France
- EA4488, APMS (Physical activity muscle and health), URePSSS, Université de Lille 1, Villeneuve d’Ascq, France
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Charwat V, Rothbauer M, Tedde SF, Hayden O, Bosch JJ, Muellner P, Hainberger R, Ertl P. Monitoring dynamic interactions of tumor cells with tissue and immune cells in a lab-on-a-chip. Anal Chem 2013; 85:11471-8. [PMID: 24215610 DOI: 10.1021/ac4033406] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
A complementary cell analysis method has been developed to assess the dynamic interactions of tumor cells with resident tissue and immune cells using optical light scattering and impedance sensing to shed light on tumor cell behavior. The combination of electroanalytical and optical biosensing technologies integrated in a lab-on-a-chip allows for continuous, label-free, and noninvasive probing of dynamic cell-to-cell interactions between adherent and nonadherent cocultures, thus providing real-time insights into tumor cell responses under physiologically relevant conditions. While the study of adherent cocultures is important for the understanding and suppression of metastatic invasion, the analysis of tumor cell interactions with nonadherent immune cells plays a vital role in cancer immunotherapy research. For the first time, the direct cell-to-cell interactions of tumor cells with bead-activated primary T cells were continuously assessed using an effector cell to target a cell ratio of 10:1.
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Affiliation(s)
- Verena Charwat
- AIT Austrian Institute of Technology GmbH , Donau-City Straβe 1, 1220 Vienna, Austria
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34
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Abstract
Post-translational modifications (PTMs) are known to be essential mechanisms used by eukaryotic cells to diversify their protein functions and dynamically coordinate their signaling networks. Defects in PTMs have been linked to numerous developmental disorders and human diseases, highlighting the importance of PTMs in maintaining normal cellular states. Human pluripotent stem cells (hPSCs), including embryonic stem cells (hESCs) and induced pluripotent stem cells (hiPSCs), are capable of self-renewal and differentiation into a variety of functional somatic cells; these cells hold a great promise for the advancement of biomedical research and clinical therapy. The mechanisms underlying cellular pluripotency in human cells have been extensively explored in the past decade. In addition to the vast amount of knowledge obtained from the genetic and transcriptional research in hPSCs, there is a rapidly growing interest in the stem cell biology field to examine pluripotency at the protein and PTM level. This review addresses recent progress toward understanding the role of PTMs (glycosylation, phosphorylation, acetylation and methylation) in the regulation of cellular pluripotency.
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Discovery and confirmation of O-GlcNAcylated proteins in rat liver mitochondria by combination of mass spectrometry and immunological methods. PLoS One 2013; 8:e76399. [PMID: 24098488 PMCID: PMC3788734 DOI: 10.1371/journal.pone.0076399] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2012] [Accepted: 08/30/2013] [Indexed: 01/08/2023] Open
Abstract
O-linked β-N-acetylglucosamine (O-GlcNAc) is an important post-translational modification (PTM) consisting of a single N-acetylglucosamine moiety attached via an O-β-glycosidic linkage to serine and threonine residues. Glycosylation with O-GlcNAc occurs on myriad nuclear and cytosolic proteins from almost all functional classes. However, with respect to O-GlcNAcylated proteins special in mitochondria, little attention has been paid. In this study, we combined mass spectrometry and immunological methods to perform global exploration of O-GlcNAcylated proteins specific in mitochondria of rat liver. First, highly purified mitochondrial proteins were obviously shown to be O-GlcNAcylated by immunoblot profiling. Then, β-elimination followed by Michael Addition with Dithiothreitol (BEMAD) treatment and LC-MS/MS were performed to enrich and identify O-GlcNAcylated mitochondrial proteins, resulting in an unambiguous assignment of 14 O-GlcNAcylation sites, mapping to 11 O-GlcNAcylated proteins. Furthermore, the identified O-GlcNAcylated mitochondrial proteins were fully validated by both electron transfer dissociation tandem mass spectrometry (ETD/MS/MS) and western blot. Thus, for the first time, our study definitely not only identified but also validated that some mitochondrial proteins in rat liver are O-GlcNAcylated. Interestingly, all of these O-GlcNAcylated mitochondrial proteins are enzymes, the majority of which are involved in a wide variety of biological processes, such as urea cycle, tricarboxylic acid cycle and lipid metabolism, indicating a role for protein O-GlcNAcylation in mitochondrial function.
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Ande SR, Padilla-Meier GP, Mishra S. Mutually exclusive acetylation and ubiquitylation among enzymes involved in glucose metabolism. Adipocyte 2013; 2:256-61. [PMID: 24052902 PMCID: PMC3774702 DOI: 10.4161/adip.26070] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/11/2013] [Revised: 08/02/2013] [Accepted: 08/06/2013] [Indexed: 01/24/2023] Open
Abstract
The posttranslational modification (PTM) in protein occurs in a regiospecific manner. In addition, the most commonly occurring PTMs involve similar residues in proteins such as acetylation, ubiquitylation, methylation and sumoylation at the lysine residue and phosphorylation and O-GlcNAc modification at serine/threonine residues. Thus, the possibility of modification sites where two such PTMs may occur in a mutually exclusive manner (ME-PTM) is much higher than known. A recent surge in the identification and the mapping of the commonly occurring PTMs in proteins has revealed that this is indeed the case. However, in what way such ME-PTM sites are regulated and what could be their relevance in the coordinated network of protein function remains to be known. To gain such potential insights in a biological context, we analyzed two most prevalent PTMs on the lysine residue by acetylation and ubiquitylation along with the most abundant PTM in proteins by phosphorylation among enzymes involved in glucose metabolism, a fundamental process in biology. The analysis of the PTM data sets has revealed two important clues that may be intrinsically associated with their regulation and function. First, the most commonly occurring PTMs by phosphorylation, acetylation and ubiquitylation are widespread and clustered in most of the enzymes involved in glucose metabolism; and the prevalence of phosphorylation sites correlates with the number of acetylation and ubiquitylation sites including the ME-modification sites. Second, the prevalence of ME-acetylation/ubiquitylation sites is exceptionally high among enzymes involved in glucose metabolism and have distinct pattern among the subset of enzymes of glucose metabolism such as glycolysis, tricarboxylic acid (TCA) cycle, glycogen synthesis, and the irreversible steps of gluconeogenesis. We hypothesize that phosphorylation including tyrosine phosphorylation plays an important role in the regulation of ME-acetylation/ubiquitylation sites and their similar pattern among the subset of functionally related proteins allows their coordinated regulation in the normal physiology. Similarly their coordinated dysregulation may underlie the disease processes such as reprogrammed metabolism in cancer, obesity, type 2 diabetes, and cardiovascular diseases. Our hypothesis provides an opportunity to understand the regulation of ME-PTMs in proteins and their relevance at the network level and is open for experimental validation.
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Ju Y, Yu A, Sun X, Wu D, Zhang H. Glucosamine, a naturally occurring amino monosaccharide, inhibits A549 and H446 cell proliferation by blocking G1/S transition. Mol Med Rep 2013; 8:794-8. [PMID: 23846431 DOI: 10.3892/mmr.2013.1584] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2013] [Accepted: 07/02/2013] [Indexed: 01/14/2023] Open
Abstract
Uncontrolled proliferation is important in tumorigenesis. In the present study, the effects of glucosamine on lung cancer cell proliferation were investigated. The expression of cyclin E, one of the key cyclins in the G1/S transition, and Skp2, the ubiquitin ligase subunit that targets the negative cell cycle regulator, p27Kip1, were also assessed. Moreover, the underlying mechanisms of action of glucosamine were investigated in lung cancer cells. A549 and H446 cells were synchronized using thymidine in the presence or absence of glucosamine. The effect of glucosamine on lung cancer cell proliferation was determined by MTT assay. Cyclin E and p27Kip1 proteins and their phosphorylation levels were detected by western blot analysis. Furthermore, the effect of glucosamine on the cell cycle was evaluated by flow cytometry. Glucosamine was found to inhibit lung cancer cell proliferation and to suppress Skp2 and cyclin E expression. Notably, the phosphorylation levels of cyclin E (Thr62) and p27Kip1 (Thr187) were downregulated by glucosamine, and negatively correlated with degradation. Glucosamine was also found to arrest lung cancer cells in the G1/S phase. Thus, glucosamine may inhibit lung cancer cell proliferation by blocking G1/S transition through the inhibition of cyclin E and Skp2 protein expression.
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Affiliation(s)
- Yinghua Ju
- Department of Biochemistry and Molecular Biology, College of Basic Medical Sciences, China Medical University, Shenyang, Liaoning 110001, P.R. China
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Jünger MA, Aebersold R. Mass spectrometry-driven phosphoproteomics: patterning the systems biology mosaic. WILEY INTERDISCIPLINARY REVIEWS-DEVELOPMENTAL BIOLOGY 2013; 3:83-112. [PMID: 24902836 DOI: 10.1002/wdev.121] [Citation(s) in RCA: 50] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Protein phosphorylation is the best-studied posttranslational modification and plays a role in virtually every biological process. Phosphoproteomics is the analysis of protein phosphorylation on a proteome-wide scale, and mainly uses the same instrumentation and analogous strategies as conventional mass spectrometry (MS)-based proteomics. Measurements can be performed either in a discovery-type, also known as shotgun mode, or in a targeted manner which monitors a set of a priori known phosphopeptides, such as members of a signal transduction pathway, across biological samples. Here, we delineate the different experimental levels at which measures can be taken to optimize the scope, reliability, and information content of phosphoproteomic analyses. Various chromatographic and chemical protocols exist to physically enrich phosphopeptides from proteolytic digests of biological samples. Subsequent mass spectrometric analysis revolves around peptide ion fragmentation to generate sequence information and identify the backbone sequence of phosphopeptides as well as the phosphate group attachment site(s), and different modes of fragmentation like collision-induced dissociation (CID), electron transfer dissociation (ETD), and higher energy collisional dissociation (HCD) have been established for phosphopeptide analysis. Computational tools are important for the identification and quantification of phosphopeptides and mapping of phosphorylation sites, the deposition of large-scale phosphoproteome datasets in public databases, and the extraction of biologically meaningful information by data mining, integration with other data types, and descriptive or predictive modeling. Finally, we discuss how orthogonal experimental approaches can be employed to validate newly identified phosphorylation sites on a biochemical, mechanistic, and physiological level.
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Affiliation(s)
- Martin A Jünger
- Department of Biology, Institute of Molecular Systems Biology, Zurich, Switzerland
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Kang MJ, Kim C, Jeong H, Cho BK, Ryou AL, Hwang D, Mook-Jung I, Yi EC. Synapsin-1 and tau reciprocal O-GlcNAcylation and phosphorylation sites in mouse brain synaptosomes. Exp Mol Med 2013; 45:e29. [PMID: 23807304 PMCID: PMC3701289 DOI: 10.1038/emm.2013.56] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2013] [Accepted: 05/07/2013] [Indexed: 01/14/2023] Open
Abstract
O-linked N-acetylglucosamine (O-GlcNAc) represents a key regulatory post-translational modification (PTM) that is reversible and often reciprocal with phosphorylation of serine and threonine at the same or nearby residues. Although recent technical advances in O-GlcNAc site-mapping methods combined with mass spectrometry (MS) techniques have facilitated study of the fundamental roles of O-GlcNAcylation in cellular processes, an efficient technique for examining the dynamic, reciprocal relationships between O-GlcNAcylation and phosphorylation is needed to provide greater insights into the regulatory functions of O-GlcNAcylation. Here, we describe a strategy for selectively identifying both O-GlcNAc- and phospho-modified sites. This strategy involves metal affinity separation of O-GlcNAcylated and phosphorylated peptides, β-elimination of O-GlcNAcyl or phosphoryl functional groups from the separated peptides followed by dithiothreitol (DTT) conjugation (BEMAD), affinity purification of DTT-conjugated peptides using thiol affinity chromatography, and identification of formerly O-GlcNAcylated or phosphorylated peptides by MS. The combined metal affinity separation and BEMAD approach allows selective enrichment of O-GlcNAcylated peptides over phosphorylated counterparts. Using this approach with mouse brain synaptosomes, we identified the serine residue at 605 of the synapsin-1 peptide, 603QASQAGPGPR612, and the serine residue at 692 of the tau peptide, 688SPVVSGDTSPR698, which were found to be potential reciprocal O-GlcNAcylation and phosphorylation sites. These results demonstrate that our strategy enables mapping of the reciprocal site occupancy of O-GlcNAcylation and phosphorylation of proteins, which permits the assessment of cross-talk between these two PTMs and their regulatory roles.
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Affiliation(s)
- Min Jueng Kang
- WCU Department of Molecular Medicine and Biopharmaceutical Sciences, Graduate School of Convergence Science and Technology and College of Medicine or College of Pharmacy, Seoul National University, Seoul, Korea
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Liddy KA, White MY, Cordwell SJ. Functional decorations: post-translational modifications and heart disease delineated by targeted proteomics. Genome Med 2013; 5:20. [PMID: 23445784 PMCID: PMC3706772 DOI: 10.1186/gm424] [Citation(s) in RCA: 64] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
The more than 300 currently identified post-translational modifications (PTMs) provides great scope for subtle or dramatic alteration of protein structure and function. Furthermore, the rapid and transient nature of many PTMs allows efficient signal transmission in response to internal and environmental stimuli. PTMs are predominantly added by enzymes, and the enzymes responsible (such as kinases) are thus attractive targets for therapeutic interventions. Modifications can be grouped according to their stability or transience (reversible versus irreversible): irreversible types (such as irreversible redox modifications or protein deamidation) are often associated with aging or tissue injury, whereas transient modifications are associated with signal propagation and regulation. This is particularly important in the setting of heart disease, which comprises a diverse range of acute (such as ischemia/reperfusion), chronic (such as heart failure, dilated cardiomyopathy) and genetic (such as hypertrophic cardiomyopathy) disease states, all of which have been associated with protein PTM. Recently the interplay between diverse PTMs has been suggested to also influence cellular function, with cooperation or competition for sites of modification possible. Here we discuss the utility of proteomics for examining PTMs in the context of the molecular mechanisms of heart disease.
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Affiliation(s)
- Kiersten A Liddy
- School of Molecular Bioscience, The University of Sydney, 2006 Sydney, Australia
| | - Melanie Y White
- School of Molecular Bioscience, The University of Sydney, 2006 Sydney, Australia ; Discipline of Pathology, School of Medical Sciences, The University of Sydney, 2006 Sydney, Australia
| | - Stuart J Cordwell
- School of Molecular Bioscience, The University of Sydney, 2006 Sydney, Australia ; Discipline of Pathology, School of Medical Sciences, The University of Sydney, 2006 Sydney, Australia
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O-GlcNAcylation and oxidation of proteins: is signalling in the cardiovascular system becoming sweeter? Clin Sci (Lond) 2012; 123:473-86. [PMID: 22757958 PMCID: PMC3389386 DOI: 10.1042/cs20110638] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
O-GlcNAcylation is an unusual form of protein glycosylation, where a single-sugar [GlcNAc (N-acetylglucosamine)] is added (via β-attachment) to the hydroxyl moiety of serine and threonine residues of nuclear and cytoplasmic proteins. A complex and extensive interplay exists between O-GlcNAcylation and phosphorylation. Many phosphorylation sites are also known glycosylation sites, and this reciprocal occupancy may produce different activities or alter the stability in a target protein. The interplay between these two post-translational modifications is not always reciprocal, as some proteins can be concomitantly phosphorylated and O-GlcNAcylated, and the adjacent phosphorylation or O-GlcNAcylation can regulate the addition of either moiety. Increased cardiovascular production of ROS (reactive oxygen species), termed oxidative stress, has been consistently reported in various chronic diseases and in conditions where O-GlcNAcylation has been implicated as a contributing mechanism for the associated organ injury/protection (for example, diabetes, Alzheimer's disease, arterial hypertension, aging and ischaemia). In the present review, we will briefly comment on general aspects of O-GlcNAcylation and provide an overview of what has been reported for this post-translational modification in the cardiovascular system. We will then specifically address whether signalling molecules involved in redox signalling can be modified by O-GlcNAc (O-linked GlcNAc) and will discuss the critical interplay between O-GlcNAcylation and ROS generation. Experimental evidence indicates that the interactions between O-GlcNAcylation and oxidation of proteins are important not only for cell regulation in physiological conditions, but also under pathological states where the interplay may become dysfunctional and thereby exacerbate cellular injury.
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Butt AM, Feng D, Nasrullah I, Tahir S, Idrees M, Tong Y, Lu J. Computational identification of interplay between phosphorylation and O-β-glycosylation of human occludin as potential mechanism to impair hepatitis C virus entry. INFECTION GENETICS AND EVOLUTION 2012; 12:1235-45. [PMID: 22516225 DOI: 10.1016/j.meegid.2012.04.001] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/02/2012] [Revised: 03/29/2012] [Accepted: 04/01/2012] [Indexed: 12/12/2022]
Abstract
Hepatitis C virus (HCV) is one of the leading causes of liver diseases. Several host factors that facilitate the attachment and entry of HCV have been discovered, of which human occludin seems to be the most promising. Studies have shown that activity of occludin is dependent upon its phosphorylation status, and that during HCV infection deregulation of phosphorylated occludin collectively leads to a reduction in tight junction (TJ) integrity of hepatocytes and favors HCV entry. However, detailed information of the posttranslational modifications (PTMs) of occludin still remains largely unknown. In addition to phosphorylation, serine/threonine residues of several proteins are also regulated by a unique type of modification known as O-β-glycosylation and this crosstalk serves as a functional switch. To identify the O-β-glycosylation potential and how interplay between phosphorylation and O-β-glycosylation can be exploited for the inhibition of HCV entry, here we report a computational analysis of PTMs of human occludin. Several conserved phosphorylation residues and kinases that can alter the ability of occludin to regulate the integrity of TJs were identified. In addition to previously reported Tyr residues, two additional Tyr residues (Tyr29 and Tyr287) were identified as target sites of Src kinase. To our knowledge, this is the first study to report the O-β-GlcNAc potential of occludin and target sites of ERK (Ser8, Ser310, and Thr345), GSK-3 (Ser8, Ser341) and Cdk5 (Thr376). Furthermore, based on findings from this study, a potential novel interplay between phosphorylation and O-β-glycosylation at the two Yin Yang sites (Ser408 and Ser490) is also proposed.
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Affiliation(s)
- Azeem Mehmood Butt
- Cancer Biotherapy Ward, Beijing YouAn Hospital, Capital Medical University, Beijing 100069, China.
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Role of post translational modifications and novel crosstalk between phosphorylation and O-beta-GlcNAc modifications in human claudin-1, -3 and -4. Mol Biol Rep 2011; 39:1359-69. [PMID: 21617949 DOI: 10.1007/s11033-011-0870-7] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2011] [Accepted: 05/14/2011] [Indexed: 01/08/2023]
Abstract
The precise characterization of post translational modifications (PTMs) is important for the understanding of protein regulatory mechanisms and their role in disease. However, experimental studies on PTMs, especially with multifunctional proteins are difficult to follow and investigate. Bioinformatic tools are therefore helpful in predicting key protein modifications. To study the role of PTMs in claudin proteins, specifically claudin-1, -3 and -4 in the onset or progression of human cancers, we performed an in silico study of various PTMs and investigated their interplay. Given that the activity of claudins is known to be influenced by two types of PTMs, specifically palmitoylation and kinase- dependent phosphorylation, we predicted two conserved regions in the topological domains of claudin-1, -3 and -4 as potential palmitoylation sites. Furthermore, conserved phosphorylation residues, which may be targets for kinases and can alter claudin's ability to maintain the integrity of tight junctions, were identified. To our knowledge, this is the first report to suggest O-glycosylation of claudin proteins, as well as a potential novel interplay between phosphorylation and O-glycosylation at Yin Yang sites. Thus, our findings may facilitate the production of anti-cancer drugs, and suggest that novel therapeutic strategies should target post translational events.
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Zhu Q, Zhou L, Yang Z, Lai M, Xie H, Wu L, Xing C, Zhang F, Zheng S. O-GlcNAcylation plays a role in tumor recurrence of hepatocellular carcinoma following liver transplantation. Med Oncol 2011; 29:985-93. [PMID: 21461968 DOI: 10.1007/s12032-011-9912-1] [Citation(s) in RCA: 119] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2011] [Accepted: 03/14/2011] [Indexed: 12/01/2022]
Abstract
O-linked-ß-N-acetylglucosamine (O-GlcNAc) modification is a crucial post-translational modification. The enzymes responsible for the addition and removal of O-GlcNAc have been identified as O-GlcNAc transferase (OGT) and O-GlcNAcase (OGA). In this study, O-GlcNAcylation level was examined in forty hepatocellular carcinoma (HCC) tissues of patients who underwent liver transplantation (LT) and ten healthy liver tissues by immunohistochemistry analysis. We also examined the expression of OGT and OGA in sixty HCC samples using real-time reverse-transcription polymerase chain reaction and analyzed their correlations with clinical parameters and prognosis in sixty HCC patients treated with LT. Additionally, the global O-GlcNAcylation level was altered through OGT and OGA silencing in the HCC cell line, and the effects of O-GlcNAcylation on cancer malignancy were investigated. We found that the global O-GlcNAcylation levels were significantly elevated in HCC tissues than that in healthy liver tissues (P = 0.031); moreover, O-GlcNAcylation was significantly enhanced in the tumor tissues of patients who had suffered from HCC recurrence after LT compared with those who had not (P = 0.046). Importantly, low expression of OGA was an independent prognostic factor for predicting tumor recurrence of HCC following LT (P = 0.041, hazard ratio, 0.438), especially in AFP low patients. In vitro assays demonstrated that O-GlcNAcylation play important roles in migration, invasion, and viability of HCC cells, partly through regulating E-cadherin, MMP1, MMP2, and MMP3 expression. Altogether, these results suggest that O-GlcNAcylation might play important roles in HCC formation and progression and may be a potential marker to predict patient risk of recurrence after LT and a valuable target for therapy.
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Affiliation(s)
- Qianqian Zhu
- Key Laboratory of Combined Multi-Organ Transplantation, Ministry of Public Health, Key Laboratory of Organ Transplantation, Zhejiang Province, 310003 Hangzhou, Zhejiang, China
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