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Nag S, Mandal A, Joshi A, Jain N, Srivastava RS, Singh S, Khattri A. Sialyltransferases and Neuraminidases: Potential Targets for Cancer Treatment. Diseases 2022; 10:diseases10040114. [PMID: 36547200 PMCID: PMC9777960 DOI: 10.3390/diseases10040114] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2022] [Revised: 11/06/2022] [Accepted: 11/16/2022] [Indexed: 11/29/2022] Open
Abstract
Cancers are the leading cause of death, causing around 10 million deaths annually by 2020. The most common cancers are those affecting the breast, lungs, colon, and rectum. However, it has been noted that cancer metastasis is more lethal than just cancer incidence and accounts for more than 90% of cancer deaths. Thus, early detection and prevention of cancer metastasis have the capability to save millions of lives. Finding novel biomarkers and targets for screening, determination of prognosis, targeted therapies, etc., are ways of doing so. In this review, we propose various sialyltransferases and neuraminidases as potential therapeutic targets for the treatment of the most common cancers, along with a few rare ones, on the basis of existing experimental and in silico data. This compilation of available cancer studies aiming at sialyltransferases and neuraminidases will serve as a guide for scientists and researchers working on possible targets for various cancers and will also provide data about the existing drugs which inhibit the action of these enzymes.
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Affiliation(s)
- Sagorika Nag
- Department of Pharmaceutical Engineering and Technology, Indian Institute of Technology, Banaras Hindu University, Varanasi 221005, India
| | - Abhimanyu Mandal
- Department of Pharmaceutical Engineering and Technology, Indian Institute of Technology, Banaras Hindu University, Varanasi 221005, India
| | - Aryaman Joshi
- Department of Chemical Engineering and Technology, Indian Institute of Technology, Banaras Hindu University, Varanasi 221005, India
| | - Neeraj Jain
- Division of Cancer Biology, CSIR-Central Drug Research Institute, Lucknow 226031, India
| | - Ravi Shanker Srivastava
- Department of Pharmacology, Career Institute of Medical Sciences & Hospital, Lucknow 226020, India
| | - Sanjay Singh
- Department of Pharmaceutical Engineering and Technology, Indian Institute of Technology, Banaras Hindu University, Varanasi 221005, India
| | - Arun Khattri
- Department of Pharmaceutical Engineering and Technology, Indian Institute of Technology, Banaras Hindu University, Varanasi 221005, India
- Correspondence: ; Tel.: +91-70-6811-1755
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Pherez-Farah A, López-Sánchez RDC, Villela-Martínez LM, Ortiz-López R, Beltrán BE, Hernández-Hernández JA. Sphingolipids and Lymphomas: A Double-Edged Sword. Cancers (Basel) 2022; 14:2051. [PMID: 35565181 PMCID: PMC9104519 DOI: 10.3390/cancers14092051] [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: 04/04/2022] [Accepted: 04/14/2022] [Indexed: 11/24/2022] Open
Abstract
Lymphomas are a highly heterogeneous group of hematological neoplasms. Given their ethiopathogenic complexity, their classification and management can become difficult tasks; therefore, new approaches are continuously being sought. Metabolic reprogramming at the lipid level is a hot topic in cancer research, and sphingolipidomics has gained particular focus in this area due to the bioactive nature of molecules such as sphingoid bases, sphingosine-1-phosphate, ceramides, sphingomyelin, cerebrosides, globosides, and gangliosides. Sphingolipid metabolism has become especially exciting because they are involved in virtually every cellular process through an extremely intricate metabolic web; in fact, no two sphingolipids share the same fate. Unsurprisingly, a disruption at this level is a recurrent mechanism in lymphomagenesis, dissemination, and chemoresistance, which means potential biomarkers and therapeutical targets might be hiding within these pathways. Many comprehensive reviews describing their role in cancer exist, but because most research has been conducted in solid malignancies, evidence in lymphomagenesis is somewhat limited. In this review, we summarize key aspects of sphingolipid biochemistry and discuss their known impact in cancer biology, with a particular focus on lymphomas and possible therapeutical strategies against them.
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Affiliation(s)
- Alfredo Pherez-Farah
- Tecnologico de Monterrey, Escuela de Medicina y Ciencias de la Salud, Monterrey 64710, Nuevo Leon, Mexico
| | | | - Luis Mario Villela-Martínez
- Facultad de Medicina, Universidad Autónoma de Sinaloa, Culiacán Rosales 80030, Sinaloa, Mexico
- Hospital Fernando Ocaranza, ISSSTE, Hermosillo 83190, Sonora, Mexico
- Centro Médico Dr. Ignacio Chávez, ISSSTESON, Hermosillo 83000, Sonora, Mexico
| | - Rocío Ortiz-López
- Tecnologico de Monterrey, Escuela de Medicina y Ciencias de la Salud, Monterrey 64710, Nuevo Leon, Mexico
| | - Brady E Beltrán
- Hospital Edgardo Rebagliati Martins, Lima 15072, Peru
- Instituto de Investigaciones en Ciencias Biomédicas, Universidad Ricardo Palma, Lima 1801, Peru
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3
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Rao TC, Beggs RR, Ankenbauer KE, Hwang J, Ma VPY, Salaita K, Bellis SL, Mattheyses AL. ST6Gal-I-mediated sialylation of the epidermal growth factor receptor modulates cell mechanics and enhances invasion. J Biol Chem 2022; 298:101726. [PMID: 35157848 PMCID: PMC8956946 DOI: 10.1016/j.jbc.2022.101726] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2021] [Revised: 02/02/2022] [Accepted: 02/03/2022] [Indexed: 12/19/2022] Open
Abstract
Heterogeneity within the glycocalyx influences cell adhesion mechanics and signaling. However, the role of specific glycosylation subtypes in influencing cell mechanics via alterations of receptor function remains unexplored. It has been shown that the addition of sialic acid to terminal glycans impacts growth, development, and cancer progression. In addition, the sialyltransferase ST6Gal-I promotes epidermal growth factor receptor (EGFR) activity, and we have shown EGFR is an 'allosteric mechano-organizer' of integrin tension. Here, we investigated the impact of ST6Gal-I on cell mechanics. Using DNA-based tension gauge tether probes of variable thresholds, we found that high ST6Gal-I activity promotes increased integrin forces and spreading in Cos-7 and OVCAR3, OVCAR5, and OV4 cancer cells. Further, employing inhibitors and function-blocking antibodies against β1, β3, and β5 integrins and ST6Gal-I targets EGFR, tumor necrosis factor receptor, and Fas cell surface death receptor, we validated that the observed phenotypes are EGFR-specific. We found that while tension, contractility, and adhesion are extracellular-signal-regulated kinase pathway-dependent, spreading, proliferation, and invasion are phosphoinositide 3-kinase-Akt serine/threonine kinase dependent. Using total internal reflection fluorescence microscopy and flow cytometry, we also show that high ST6Gal-I activity leads to sustained EGFR membrane retention, making it a key regulator of cell mechanics. Our findings suggest a novel sialylation-dependent mechanism orchestrating cellular mechanics and enhancing cell motility via EGFR signaling.
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Affiliation(s)
- Tejeshwar C Rao
- Department of Cell, Developmental, and Integrative Biology, University of Alabama at Birmingham, Birmingham, Alabama, USA
| | - Reena R Beggs
- Department of Cell, Developmental, and Integrative Biology, University of Alabama at Birmingham, Birmingham, Alabama, USA
| | - Katherine E Ankenbauer
- Department of Cell, Developmental, and Integrative Biology, University of Alabama at Birmingham, Birmingham, Alabama, USA
| | - Jihye Hwang
- Department of Cell, Developmental, and Integrative Biology, University of Alabama at Birmingham, Birmingham, Alabama, USA
| | | | - Khalid Salaita
- Department of Chemistry, Emory University, Atlanta, Georgia, USA
| | - Susan L Bellis
- Department of Cell, Developmental, and Integrative Biology, University of Alabama at Birmingham, Birmingham, Alabama, USA
| | - Alexa L Mattheyses
- Department of Cell, Developmental, and Integrative Biology, University of Alabama at Birmingham, Birmingham, Alabama, USA.
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4
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Glycation Interferes with the Expression of Sialyltransferases in Meningiomas. Cells 2021; 10:cells10123298. [PMID: 34943806 PMCID: PMC8699175 DOI: 10.3390/cells10123298] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2021] [Revised: 11/19/2021] [Accepted: 11/22/2021] [Indexed: 11/16/2022] Open
Abstract
Meningiomas are the most common non-malignant intracranial tumors and prefer, like most tumors, anaerobic glycolysis for energy production (Warburg effect). This anaerobic glycolysis leads to an increased synthesis of the metabolite methylglyoxal (MGO) or glyoxal (GO), which is known to react with amino groups of proteins. This reaction is called glycation, thereby building advanced glycation end products (AGEs). In this study, we investigated the influence of glycation on sialylation in two meningioma cell lines, representing the WHO grade I (BEN-MEN-1) and the WHO grade III (IOMM-Lee). In the benign meningioma cell line, glycation led to differences in expression of sialyltransferases (ST3GAL1/2/3/5/6, ST6GAL1/2, ST6GALNAC2/6, and ST8SIA1/2), which are known to play a role in tumor progression. We could show that glycation of BEN-MEN-1 cells led to decreased expression of ST3Gal5. This resulted in decreased synthesis of the ganglioside GM3, the product of ST3Gal5. In the malignant meningioma cell line, we observed changes in expression of sialyltransferases (ST3GAL1/2/3, ST6GALNAC5, and ST8SIA1) after glycation, which correlates with less aggressive behavior.
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Ayona D, Fournier PE, Henrissat B, Desnues B. Utilization of Galectins by Pathogens for Infection. Front Immunol 2020; 11:1877. [PMID: 32973776 PMCID: PMC7466766 DOI: 10.3389/fimmu.2020.01877] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2020] [Accepted: 07/13/2020] [Indexed: 12/22/2022] Open
Abstract
Galectins are glycan-binding proteins which are expressed by many different cell types and secreted extracellularly. These molecules are well-known regulators of immune responses and involved in a broad range of cellular and pathophysiological functions. During infections, host galectins can either avoid or facilitate infections by interacting with host cells- and/or pathogen-derived glycoconjugates and less commonly, with proteins. Some pathogens also express self-produced galectins to interfere with host immune responses. This review summarizes pathogens which take advantage of host- or pathogen-produced galectins to establish the infection.
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Affiliation(s)
- Diyoly Ayona
- Aix Marseille Univ, IRD, APHM, MEPHI, IHU-Méditerranée Infection, Marseille, France
| | | | - Bernard Henrissat
- Architecture et Fonction des Macromolécules Biologiques, CNRS, Aix-Marseille University, Marseille, France
- USC1408 Architecture et Fonction des Macromolécules Biologiques, Institut National de la Recherche Agronomique, Marseille, France
- Department of Biological Sciences, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Benoit Desnues
- Aix Marseille Univ, IRD, APHM, MEPHI, IHU-Méditerranée Infection, Marseille, France
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Bauer TJ, Gombocz E, Wehland M, Bauer J, Infanger M, Grimm D. Insight in Adhesion Protein Sialylation and Microgravity Dependent Cell Adhesion-An Omics Network Approach. Int J Mol Sci 2020; 21:ijms21051749. [PMID: 32143440 PMCID: PMC7084616 DOI: 10.3390/ijms21051749] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2020] [Revised: 02/28/2020] [Accepted: 03/02/2020] [Indexed: 12/18/2022] Open
Abstract
The adhesion behavior of human tissue cells changes in vitro, when gravity forces affecting these cells are modified. To understand the mechanisms underlying these changes, proteins involved in cell-cell or cell-extracellular matrix adhesion, their expression, accumulation, localization, and posttranslational modification (PTM) regarding changes during exposure to microgravity were investigated. As the sialylation of adhesion proteins is influencing cell adhesion on Earth in vitro and in vivo, we analyzed the sialylation of cell adhesion molecules detected by omics studies on cells, which change their adhesion behavior when exposed to microgravity. Using a knowledge graph created from experimental omics data and semantic searches across several reference databases, we studied the sialylation of adhesion proteins glycosylated at their extracellular domains with regards to its sensitivity to microgravity. This way, experimental omics data networked with the current knowledge about the binding of sialic acids to cell adhesion proteins, its regulation, and interactions in between those proteins provided insights into the mechanisms behind our experimental findings, suggesting that balancing the sialylation against the de-sialylation of the terminal ends of the adhesion proteins' glycans influences their binding activity. This sheds light on the transition from two- to three-dimensional growth observed in microgravity, mirroring cell migration and cancer metastasis in vivo.
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Affiliation(s)
- Thomas J. Bauer
- Clinic for Plastic, Aesthetic and Hand Surgery, Otto-von-Guericke-University Magdeburg, D-39120 Magdeburg, Germany; (T.J.B.); (M.W.); (M.I.); (D.G.)
| | - Erich Gombocz
- Melissa Informatics, 2550 Ninth Street, Suite 114, Berkeley, CA 94710, USA;
| | - Markus Wehland
- Clinic for Plastic, Aesthetic and Hand Surgery, Otto-von-Guericke-University Magdeburg, D-39120 Magdeburg, Germany; (T.J.B.); (M.W.); (M.I.); (D.G.)
| | - Johann Bauer
- Max Planck Institute of Biochemistry, D-82152 Martinsried, Germany
- Correspondence: ; Tel.: +49-89-85783803
| | - Manfred Infanger
- Clinic for Plastic, Aesthetic and Hand Surgery, Otto-von-Guericke-University Magdeburg, D-39120 Magdeburg, Germany; (T.J.B.); (M.W.); (M.I.); (D.G.)
| | - Daniela Grimm
- Clinic for Plastic, Aesthetic and Hand Surgery, Otto-von-Guericke-University Magdeburg, D-39120 Magdeburg, Germany; (T.J.B.); (M.W.); (M.I.); (D.G.)
- Department of Biomedicine, Aarhus University Hospital, DK-8000 Aarhus C, Denmark
- Department of Microgravity and Translational Regenerative Medicine, Otto von Guericke University, Pfälzer Platz, 39106 Magdeburg, Germany
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7
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Qi F, Isaji T, Duan C, Yang J, Wang Y, Fukuda T, Gu J. ST3GAL3, ST3GAL4, and ST3GAL6 differ in their regulation of biological functions via the specificities for the α2,3-sialylation of target proteins. FASEB J 2019; 34:881-897. [PMID: 31914669 DOI: 10.1096/fj.201901793r] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2019] [Revised: 09/23/2019] [Accepted: 09/30/2019] [Indexed: 12/14/2022]
Abstract
The α2,3-sialylation of N-glycans is considered important but complicated because the functions of the three β-galactoside α2,3-sialyltransferases, ST3GAL3, ST3GAL4, and ST3GAL6, could be compensating for one another. To distinguish their specific functions, we established each individual knockout (KO) cell line. Loss of either the ST3GAL3 or ST3GAL6 genes decreased cell proliferation and colony formation, as opposed to the effect in the ST3GAL4 KO cells. The phosphorylation levels of ERK and AKT were significantly suppressed in the ST3GAL6 KO and ST3GAL3 KO cells, respectively. The cell aggregations were clearly observed in the KO cells, particularly the ST3GAL3 KO and ST3GAL6 KO cells, and the expression levels of E-cadherin and claudin-1 were enhanced in both those cell lines, but were suppressed in the ST3GAL4 KO cells. Those alterations were reversed with an overexpression of each corresponding gene in rescued cells. Of particular interest, the α2,3-sialylation levels of β1 integrin were clearly suppressed in the ST3GAL4 KO cells, but these were increased in the ST3GAL3 KO and ST3GAL6 KO cells, whereas the α2,3-sialylation levels of EGFR were significantly decreased in the ST3GAL6 KO cells. The decrease in α2,3-sialylation increased the α2,6-sialylation on β1, but not EGFR. Furthermore, a cross-restoration of each of the three genes in ST3GAL6 KO cells showed that overexpression of ST3GAL6 sufficiently rescued the total α2,3-sialylation levels, cell morphology, and α2,3-sialylation of EGFR, whereas the α2,3-sialylation levels of β1 were greatly enhanced by an overexpression of ST3GAL4. These results clearly demonstrate that the three α2,3-sialyltransferases modify characteristic target proteins and regulate cell biological functions in different ways.
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Affiliation(s)
- Feng Qi
- Division of Regulatory Glycobiology, Institute of Molecular Biomembrane and Glycobiology, Tohoku Medical and Pharmaceutical University, Sendai, Japan.,Department of Pharmacy, The Fourth Affiliated Hospital of Nantong University, Yancheng, China
| | - Tomoya Isaji
- Division of Regulatory Glycobiology, Institute of Molecular Biomembrane and Glycobiology, Tohoku Medical and Pharmaceutical University, Sendai, Japan
| | - Chengwei Duan
- Division of Regulatory Glycobiology, Institute of Molecular Biomembrane and Glycobiology, Tohoku Medical and Pharmaceutical University, Sendai, Japan
| | - Jie Yang
- Division of Regulatory Glycobiology, Institute of Molecular Biomembrane and Glycobiology, Tohoku Medical and Pharmaceutical University, Sendai, Japan
| | - Yuqin Wang
- Department of Pharmacology, Pharmacy College, Nantong University, Nantong, China
| | - Tomohiko Fukuda
- Division of Regulatory Glycobiology, Institute of Molecular Biomembrane and Glycobiology, Tohoku Medical and Pharmaceutical University, Sendai, Japan
| | - Jianguo Gu
- Division of Regulatory Glycobiology, Institute of Molecular Biomembrane and Glycobiology, Tohoku Medical and Pharmaceutical University, Sendai, Japan
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Li F, Ding J. Sialylation is involved in cell fate decision during development, reprogramming and cancer progression. Protein Cell 2019; 10:550-565. [PMID: 30478534 PMCID: PMC6626595 DOI: 10.1007/s13238-018-0597-5] [Citation(s) in RCA: 103] [Impact Index Per Article: 20.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2018] [Accepted: 10/31/2018] [Indexed: 01/01/2023] Open
Abstract
Sialylation, or the covalent addition of sialic acid to the terminal end of glycoproteins, is a biologically important modification that is involved in embryonic development, neurodevelopment, reprogramming, oncogenesis and immune responses. In this review, we have given a comprehensive overview of the current literature on the involvement of sialylation in cell fate decision during development, reprogramming and cancer progression. Sialylation is essential for early embryonic development and the deletion of UDP-GlcNAc 2-epimerase, a rate-limiting enzyme in sialic acid biosynthesis, is embryonically lethal. Furthermore, the sialyltransferase ST6GAL1 is required for somatic cell reprogramming, and its downregulation is associated with decreased reprogramming efficiency. In addition, sialylation levels and patterns are altered during cancer progression, indicating the potential of sialylated molecules as cancer biomarkers. Taken together, the current evidences demonstrate that sialylation is involved in crucial cell fate decision.
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Affiliation(s)
- Fenjie Li
- Program in Stem Cell and Regenerative Medicine, The Third Affiliated Hospital of Sun Yat-Sen University, Zhongshan School of Medicine, Sun Yat-Sen University, Guangzhou, China
- Key Laboratory for Stem Cells and Tissue Engineering, Ministry of Education, Department of Cell Biology, Zhongshan School of Medicine, Sun Yat-Sen University, Guangzhou, China
| | - Junjun Ding
- Program in Stem Cell and Regenerative Medicine, The Third Affiliated Hospital of Sun Yat-Sen University, Zhongshan School of Medicine, Sun Yat-Sen University, Guangzhou, China.
- Key Laboratory for Stem Cells and Tissue Engineering, Ministry of Education, Department of Cell Biology, Zhongshan School of Medicine, Sun Yat-Sen University, Guangzhou, China.
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9
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Suzuki O. Glycosylation in lymphoma: Biology and glycotherapy. Pathol Int 2019; 69:441-449. [PMID: 31317621 PMCID: PMC6852584 DOI: 10.1111/pin.12834] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2019] [Accepted: 06/03/2019] [Indexed: 12/30/2022]
Abstract
Research using mouse lymphoma cell lines has resulted in many reports of glycosylation being a key regulator for the distant metastasis of mouse lymphoma cells in animal models. In contrast, there are only a few reports of experiments examining human lymphoma cell metastasis. The glycosylation pattern in human lymphoma shows that loss of Phaseolus vulgaris leukoagglutinating lectin (L-PHA) reactive oligosaccharides, and sialylation of L-PHA reactive oligosaccharides, are closely associated with a worse prognosis for diffuse large B cell lymphoma (DLBCL) patients. Sialic acid is related to cell adhesion to the extracellular matrix and metastasis of HBL-8 Burkitt lymphoma cells in a severe combined immunodeficiency (SCID) mouse animal model. In HBL-8 clones, differential cell surface sialylation was due to different expression levels of UDP-GlcNAc 2-epimerase (GNE). Knockdown of beta-galactoside alpha-2,6-sialyltransferase (ST6Gal1) resulted in enhanced lymphoma cell adhesion to galectin-1 in anaplastic large cell lymphoma cell line, H-ALCL. A fluorinated sialic acid analogue was shown to be useful for inhibiting sialyltransferase and may provide a new glycoengineering strategy for desialylation, as well as inhibiting invasion and metastasis and inducing cell death in lymphoma cell lines. This paper discusses glycosylation and sialylation in human lymphoma, and several glycoengineering therapeutic strategies for lymphoma.
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Affiliation(s)
- Osamu Suzuki
- Department of Diagnostic Pathology, School of Medicine, Fukushima Medical University, Fukushima, Japan
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10
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Alginate oligosaccharide attenuates α2,6-sialylation modification to inhibit prostate cancer cell growth via the Hippo/YAP pathway. Cell Death Dis 2019; 10:374. [PMID: 31076566 PMCID: PMC6510775 DOI: 10.1038/s41419-019-1560-y] [Citation(s) in RCA: 37] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2019] [Revised: 03/23/2019] [Accepted: 03/26/2019] [Indexed: 12/11/2022]
Abstract
Chitosan oligosaccharides have been reported to inhibit various tumors. However, the water-soluble marine plant oligosaccharide alginate oligosaccharide (AOS) has only rarely been reported to have anti-cancer effects. Moreover, the inhibitory effect of AOS on prostate cancer and the underlying molecular mechanism remain unknown. This study shows that AOS inhibited cell growth, which was consistent with the attenuation of α2,6-sialylation modification. Furthermore, AOS inhibited ST6Gal-1 promoter activity and thus affected transcriptional processes. In addition, AOS could activate the Hippo/YAP pathway and block the recruitment of both the coactivator YAP and c-Jun. Furthermore, YAP interacted with the transcription factor c-Jun and regulated the transcriptional activity of the downstream target ST6Gal-1 gene. Consistent with in vitro data, AOS suppressed the tumorigenicity of prostate cancer cells via the Hippo/YAP pathway in vivo. In summary, these data indicate that AOS slows the proliferation of prostate cancer and provides a basis for the healthy function of kelp in traditional cognition.
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11
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Zhou X, Kinlough CL, Hughey RP, Jin M, Inoue H, Etling E, Modena BD, Kaminski N, Bleecker ER, Meyers DA, Jarjour NN, Trudeau JB, Holguin F, Ray A, Wenzel SE. Sialylation of MUC4β N-glycans by ST6GAL1 orchestrates human airway epithelial cell differentiation associated with type-2 inflammation. JCI Insight 2019; 4:122475. [PMID: 30730306 DOI: 10.1172/jci.insight.122475] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2018] [Accepted: 01/29/2019] [Indexed: 12/28/2022] Open
Abstract
Although type-2-induced (T2-induced) epithelial dysfunction is likely to profoundly alter epithelial differentiation and repair in asthma, the mechanisms for these effects are poorly understood. A role for specific mucins, heavily N-glycosylated epithelial glycoproteins, in orchestrating epithelial cell fate in response to T2 stimuli has not previously been investigated. Levels of a sialylated MUC4β isoform were found to be increased in airway specimens from asthmatic patients in association with T2 inflammation. We hypothesized that IL-13 would increase sialylation of MUC4β, thereby altering its function and that the β-galactoside α-2,6-sialyltransferase 1 (ST6GAL1) would regulate the sialylation. Using human biologic specimens and cultured primary human airway epithelial cells (HAECs),we demonstrated that IL-13 increases ST6GAL1-mediated sialylation of MUC4β and that both were increased in asthma, particularly in sputum supernatant and/or fresh isolated HAECs with elevated T2 biomarkers. ST6GAL1-induced sialylation of MUC4β altered its lectin binding and secretion. Both ST6GAL1 and MUC4β inhibited epithelial cell proliferation while promoting goblet cell differentiation. These in vivo and in vitro data provide strong evidence for a critical role for ST6GAL1-induced sialylation of MUC4β in epithelial dysfunction associated with T2-high asthma, thereby identifying specific sialylation pathways as potential targets in asthma.
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Affiliation(s)
- Xiuxia Zhou
- Division of Pulmonary, Allergy, and Critical Care Medicine, University of Pittsburgh School of Medicine, University of Pittsburgh Asthma Institute at University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania, USA.,Department of Environmental & Occupational Health, University of Pittsburgh Graduate School of Public Health, Pittsburgh, Pennsylvania, USA
| | - Carol L Kinlough
- Renal-Electrolyte Division, Department of Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Rebecca P Hughey
- Renal-Electrolyte Division, Department of Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Mingzhu Jin
- Division of Pulmonary, Allergy, and Critical Care Medicine, University of Pittsburgh School of Medicine, University of Pittsburgh Asthma Institute at University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania, USA
| | - Hideki Inoue
- Division of Pulmonary, Allergy, and Critical Care Medicine, University of Pittsburgh School of Medicine, University of Pittsburgh Asthma Institute at University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania, USA.,Division of Pulmonary and Allergy Medicine, Department of Medicine, Showa University School of Medicine, Tokyo, Japan
| | - Emily Etling
- Division of Pulmonary, Allergy, and Critical Care Medicine, University of Pittsburgh School of Medicine, University of Pittsburgh Asthma Institute at University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania, USA
| | - Brian D Modena
- Division of Pulmonary, Allergy, and Critical Care Medicine, University of Pittsburgh School of Medicine, University of Pittsburgh Asthma Institute at University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania, USA.,Department of Molecular Medicine, The Scripps Research Institute, La Jolla, California, USA
| | - Naftali Kaminski
- Section of Pulmonary, Critical Care and Sleep Medicine, Yale School of Medicine, New Haven, Connecticut, USA
| | | | - Deborah A Meyers
- Department of Medicine, University of Arizona, Tucson, Arizona, USA
| | - Nizar N Jarjour
- Division of Allergy, Pulmonary, and Critical Care Medicine, University of Wisconsin, Madison, Wisconsin, USA
| | - John B Trudeau
- Division of Pulmonary, Allergy, and Critical Care Medicine, University of Pittsburgh School of Medicine, University of Pittsburgh Asthma Institute at University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania, USA.,Department of Environmental & Occupational Health, University of Pittsburgh Graduate School of Public Health, Pittsburgh, Pennsylvania, USA
| | - Fernando Holguin
- Division of Pulmonary and Critical Care Medicine, University of Colorado Health Sciences Center, Denver, Colorado, USA
| | - Anuradha Ray
- Division of Pulmonary, Allergy, and Critical Care Medicine, University of Pittsburgh School of Medicine, University of Pittsburgh Asthma Institute at University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania, USA.,Department of Immunology, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, USA
| | - Sally E Wenzel
- Division of Pulmonary, Allergy, and Critical Care Medicine, University of Pittsburgh School of Medicine, University of Pittsburgh Asthma Institute at University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania, USA.,Department of Environmental & Occupational Health, University of Pittsburgh Graduate School of Public Health, Pittsburgh, Pennsylvania, USA
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12
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Wichert B, Milde-Langosch K, Galatenko V, Schmalfeldt B, Oliveira-Ferrer L. Prognostic role of the sialyltransferase ST6GAL1 in ovarian cancer. Glycobiology 2019; 28:898-903. [PMID: 30016515 DOI: 10.1093/glycob/cwy065] [Citation(s) in RCA: 38] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2018] [Accepted: 07/12/2018] [Indexed: 12/25/2022] Open
Abstract
Aberrant sialylation of glycoproteins has been detected in many tumors, and upregulation of the beta-galactosamide alpha-2,6-sialyltransferase 1 (ST6GAL1) has been implicated with tumor aggressiveness and chemoresistance in experimental models. In our present study, we aimed to study the prognostic or predictive role of ST6GAL1 in ovarian carcinoma, using two independent ovarian cancer cohorts. ST6GAL1 mRNA levels were retrieved from a publicly available database (n = 517), and ST6GAL1 protein levels were analyzed by western blot analysis in a cohort of 204 ovarian tumor samples. The results were correlated with clinical and histological tumor parameters and follow-up information. High ST6GAL1 mRNA levels significantly correlated with lymphovascular invasion and shorter survival, whereas high ST6GAL1 protein expression was associated with advanced stage, distant metastasis and shorter recurrence-free intervals. In both cohorts the prognostic role was most pronounced in tumors without macroscopically visible residual tumor after surgery. In these cases, ST6GAL1 expression levels might help to identify cases with a higher risk of chemoresistance and metastatic relapse that might require an adapted therapeutic regime.
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Affiliation(s)
- Beatrice Wichert
- Department of Gynecology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Karin Milde-Langosch
- Department of Gynecology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Vladimir Galatenko
- Deparment of Mathematical Analysis, Faculty of Mechanics and Mathematics, Lomonosov Moscow State University, Leninskie Gory 1, Moscow, Russia.,Tauber Bioinformatics Research Center, University of Haifa, 199 Aba Khoushy Ave., Mount Carmel, Haifa, Israel
| | - Barbara Schmalfeldt
- Department of Gynecology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
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13
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Yuan Q, Chen X, Han Y, Lei T, Wu Q, Yu X, Wang L, Fan Z, Wang S. Modification of α2,6-sialylation mediates the invasiveness and tumorigenicity of non-small cell lung cancer cells in vitro and in vivo via Notch1/Hes1/MMPs pathway. Int J Cancer 2018; 143:2319-2330. [PMID: 29981167 DOI: 10.1002/ijc.31737] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2017] [Revised: 06/01/2018] [Accepted: 06/13/2018] [Indexed: 12/15/2022]
Abstract
The alterations of sialylation on cell surface N-glycans due to overexpression of different sialyltransferases play a vital role in tumorigenesis and tumor progression. The β-galactoside α2-6-sialyltransferase 1 (ST6Gal-I) has been reported to be highly expressed in several cancers, including breast cancer, hepatocellular cancer and colon carcinoma. However, the roles and underlying mechanisms of ST6Gal-I in non-small cell lung cancer (NSCLC) still need to be elucidated. In this study, we determined that mRNA levels of ST3GAL1, ST6GALNAC3 and ST8SIA6 were remarkably reduced in lung cancer tissues and cells, whereas ST6GAL1 level significantly increased. The mRNA, protein and glycan levels of ST6Gal-I were higher in lung cancer tissues and cells. Moreover, down-regulation of ST6Gal-I decreased protein levels of Jagged1, DLL-1, Notch1, Hes1, Hey1, matrix-metalloproteinases (MMPs) and VEGF, and suppressed proliferation, migration and invasion capabilities of A549 and H1299 cells in vitro. In vivo, ST6Gal-I silencing suppressed tumorigenicity of NSCLC cells in athymic nude mice via the Notch1/Hes1/MMPs pathway. In addition, overexpression of Notch1 rescued the reduced growth and metastasis of A549 and H1299 cells resulted by ST6Gal-I silencing. Modification of α2,6-sialylation positively associates with lung cancer progression, thereby indicating that ST6Gal-I may mediate the invasiveness and tumorigenicity of NSCLC cells via the Notch1/Hes1/MMPs pathway both in vitro and in vivo. Thus, our results provide a novel therapeutic approach for blocking metastasis in lung cancer patients.
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Affiliation(s)
- Qingmin Yuan
- Department of Biochemistry and Molecular Biology, Institute of Glycobiology, Dalian Medical University, Dalian, Liaoning, China
| | - Xixi Chen
- Department of Biological Sciences, School of Life Science and Medicine, Dalian University of Technology, Panjin, Liaoning, China
| | - Yang Han
- Department of Biochemistry and Molecular Biology, Institute of Glycobiology, Dalian Medical University, Dalian, Liaoning, China
| | - Ting Lei
- Department of Thoracic Surgery, The Second Affiliated Hospital of Dalian Medical University, Dalian, China
| | - Qiang Wu
- Department of Thoracic Surgery, The Second Affiliated Hospital of Dalian Medical University, Dalian, China
| | - Xiao Yu
- Department of Pathology, Dalian Medical University, Dalian, Liaoning Province, China
| | - Liping Wang
- Department of Biological Sciences, School of Life Science and Medicine, Dalian University of Technology, Panjin, Liaoning, China
| | - Zhe Fan
- Department of Thoracic Surgery, The Second Affiliated Hospital of Dalian Medical University, Dalian, China
| | - Shujing Wang
- Department of Biochemistry and Molecular Biology, Institute of Glycobiology, Dalian Medical University, Dalian, Liaoning, China
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14
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Zhang Z, Wuhrer M, Holst S. Serum sialylation changes in cancer. Glycoconj J 2018; 35:139-160. [PMID: 29680984 PMCID: PMC5916985 DOI: 10.1007/s10719-018-9820-0] [Citation(s) in RCA: 110] [Impact Index Per Article: 18.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2017] [Revised: 02/14/2018] [Accepted: 03/26/2018] [Indexed: 12/17/2022]
Abstract
Cancer is a major cause of death in both developing and developed countries. Early detection and efficient therapy can greatly enhance survival. Aberrant glycosylation has been recognized to be one of the hallmarks of cancer as glycans participate in many cancer-associated events. Cancer-associated glycosylation changes often involve sialic acids which play important roles in cell-cell interaction, recognition and immunological response. This review aims at giving a comprehensive overview of the literature on changes of sialylation in serum of cancer patients. Furthermore, the methods available to measure serum and plasma sialic acids as well as possible underlying biochemical mechanisms involved in the serum sialylation changes are surveyed. In general, total serum sialylation levels appear to be increased with various malignancies and show a potential for clinical applications, especially for disease monitoring and prognosis. In addition to overall sialic acid levels and the amount of sialic acid per total protein, glycoprofiling of specific cancer-associated glycoproteins, acute phase proteins and immunoglobulins in serum as well as the measurements of sialylation-related enzymes such as sialidases and sialyltransferases have been reported for early detection of cancer, assessing cancer progression and improving prognosis of cancer patients. Moreover, sialic-acid containing glycan antigens such as CA19-9, sialyl Lewis X and sialyl Tn on serum proteins have also displayed their value in cancer diagnosis and management whereby increased levels of these factors positively correlated with metastasis or poor prognosis.
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Affiliation(s)
- Zejian Zhang
- Center for Proteomics and Metabolomics, Leiden University Medical Center, Postzone S3, Postbus 9600, 2300 RC, Leiden, NL, The Netherlands.,Department of Biochemistry and Molecular Biology, Key Laboratory of Glycoconjugate Research Ministry of Public Health, School of Basic Medical Sciences, Fudan University, Shanghai, China
| | - Manfred Wuhrer
- Center for Proteomics and Metabolomics, Leiden University Medical Center, Postzone S3, Postbus 9600, 2300 RC, Leiden, NL, The Netherlands
| | - Stephanie Holst
- Center for Proteomics and Metabolomics, Leiden University Medical Center, Postzone S3, Postbus 9600, 2300 RC, Leiden, NL, The Netherlands.
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15
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Wei A, Fan B, Zhao Y, Zhang H, Wang L, Yu X, Yuan Q, Yang D, Wang S. ST6Gal-I overexpression facilitates prostate cancer progression via the PI3K/Akt/GSK-3β/β-catenin signaling pathway. Oncotarget 2018; 7:65374-65388. [PMID: 27588482 PMCID: PMC5323162 DOI: 10.18632/oncotarget.11699] [Citation(s) in RCA: 58] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2016] [Accepted: 08/24/2016] [Indexed: 11/25/2022] Open
Abstract
ST6Gal-I sialyltransferase adds α2,6-linked sialic acids to the terminal ends of glycan chains of glycoproteins and glycolipids. ST6Gal-I is reportedly upregulated in many cancers, including hepatocellular carcinoma, ovarian cancer and breast cancer. However, the expression and function of ST6Gal-I in prostate cancer (PCa) and the mechanism underlying this function remain largely unknown. In this study, we observed that ST6Gal-I expression was upregulated in human PCa tissues compared to non-malignant prostate tissues. High ST6Gal-I expression was positively correlated with Gleason scores, seminal vesicle involvement and poor survival in patients with PCa. ST6Gal-I knockdown in aggressive prostate cancer PC-3 and DU145 cells significantly inhibited the proliferation, growth, migration and invasion capabilities of these cells. ST6Gal-I knockdown decreased the levels of several PI3K/Akt/GSK-3β/ β-catenin pathway components, such as p-PI3K, (Ser473)p-Akt, (Ser9)p-GSK-3β and β-catenin. Furthermore, targeting this pathway with a PI3K inhibitor or Akt RNA interference decreased p-Akt, p-GSK-3β and β-catenin expression, resulting in decreased PC-3 and DU145 proliferation, migration and invasion. Taken together, these results indicate that ST6Gal-I plays a critical role in cell proliferation and invasion via the PI3K/Akt/GSK-3β/β-catenin signaling pathway during PCa progression and that it might be a promising target for PCa prognosis determination and therapy.
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Affiliation(s)
- Anwen Wei
- Department of Biochemistry and Molecular Biology, Institute of Glycobiology, Dalian Medical University, Dalian, 116044, Liaoning Province, China
| | - Bo Fan
- Department of Urology, First Affiliated Hospital of Dalian Medical University, Dalian, 116011, Liaoning Province, China
| | - Yujie Zhao
- Department of Biochemistry and Molecular Biology, Institute of Glycobiology, Dalian Medical University, Dalian, 116044, Liaoning Province, China
| | - Han Zhang
- Department of Biochemistry and Molecular Biology, Institute of Glycobiology, Dalian Medical University, Dalian, 116044, Liaoning Province, China
| | - Liping Wang
- Department of Biochemistry and Molecular Biology, Institute of Glycobiology, Dalian Medical University, Dalian, 116044, Liaoning Province, China
| | - Xiao Yu
- Department of Pathology, Dalian Medical University, Dalian, 116044, Liaoning Province, China
| | - Qingmin Yuan
- Department of Biochemistry and Molecular Biology, Institute of Glycobiology, Dalian Medical University, Dalian, 116044, Liaoning Province, China
| | - Deyong Yang
- Department of Urology, First Affiliated Hospital of Dalian Medical University, Dalian, 116011, Liaoning Province, China
| | - Shujing Wang
- Department of Biochemistry and Molecular Biology, Institute of Glycobiology, Dalian Medical University, Dalian, 116044, Liaoning Province, China
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16
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Bao Y, Guo H, Lu Y, Feng W, Sun X, Tang C, Wang X, Shen M. Blocking hepatic metastases of colon cancer cells using an shRNA against Rac1 delivered by activatable cell-penetrating peptide. Oncotarget 2018; 7:77183-77195. [PMID: 27791203 PMCID: PMC5363579 DOI: 10.18632/oncotarget.12854] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2016] [Accepted: 10/14/2016] [Indexed: 12/27/2022] Open
Abstract
Hepatic metastasis is one of the critical progressions of colon cancer. Blocking this process is key to prolonging survival time in cancer patients. Studies on activatable cell-penetrating peptides (dtACPPs) have demonstrated their potential as gene carriers. It showed high tumor cell-targeting specificity and transfection efficiency and low cytotoxicity in the in vitro settings of drug delivery. However, using this system to silence target genes to inhibit metastasis in colorectal cancer cells has not been widely reported and requires further investigation. In this study, we observed that expression of Rac1, a key molecule for cytoskeletal reorganization, was higher in hepatic metastatic tumor tissue compared with prime colon cancer tissue and that patients with high Rac1-expressing colon cancer showed shorter survival time. Base on these findings, we created dtACPP-PEG-DGL (dtACPPD)/shRac1 nanoparticles and demonstrated that they downregulated Rac1 expression in colon cancer cells. Moreover, we observed inhibitory effects on migration, invasion and adhesion in HCT116 colorectal cancer cells in vitro, and our results showed that Rac1 regulated colon cancer cell matrix adhesion through the regulation of cytofilament dynamics. Moreover, mechanically, repression of Rac1 inhibiting cells migration and invasion by enhancing cell to cell adhesion and reducing cell to extracellular matrix adhesion. Furthermore, when atCDPPD/shRac1 nanoparticles were administered intravenously to a HCT116 xenograft model, significant tumor metastasis to the liver was inhibited. Our results suggest that atCDPP/shRac1 nanoparticles may enable the blockade of hepatic metastasis in colon cancer.
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Affiliation(s)
- Ying Bao
- Department of Surgery, First Affiliated Hospital, Huzhou University, The First People's Hospital of Huzhou, Huzhou, 313000, China
| | - Huihui Guo
- Department of Surgery, First Affiliated Hospital, Huzhou University, The First People's Hospital of Huzhou, Huzhou, 313000, China
| | - Yongliang Lu
- Department of Medicine, Huzhou University, Huzhou, 313000, China
| | - Wenming Feng
- Department of Surgery, First Affiliated Hospital, Huzhou University, The First People's Hospital of Huzhou, Huzhou, 313000, China
| | - Xinrong Sun
- Department of Surgery, First Affiliated Hospital, Huzhou University, The First People's Hospital of Huzhou, Huzhou, 313000, China
| | - Chengwu Tang
- Department of Surgery, First Affiliated Hospital, Huzhou University, The First People's Hospital of Huzhou, Huzhou, 313000, China
| | - Xiang Wang
- Department of Surgery, First Affiliated Hospital, Huzhou University, The First People's Hospital of Huzhou, Huzhou, 313000, China
| | - Mo Shen
- Department of Laboratory Medicine, The First Affiliated Hospital of Wenzhou Medical University,Wenzhou, 325000, China
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17
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Bevan JGM, Lourenço EC, Chaves-Ferreira M, Rodrigues JA, Rita Ventura M. Immobilization of UDP-Galactose on an Amphiphilic Resin. European J Org Chem 2018. [DOI: 10.1002/ejoc.201701620] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Jessica G. M. Bevan
- Biology of Parasitism Laboratory; Instituto de Medicina Molecular; Faculdade de Medicina da Universidade de Lisboa; Avenida Professor Egas Moniz 1649-028 Lisboa Portugal
- Bioorganic Chemistry Laboratory; Instituto de Tecnologia Química e Biológica; Universidade Nova de Lisboa; Apartado 127 2780-901 Oeiras Portugal
| | - Eva C. Lourenço
- Bioorganic Chemistry Laboratory; Instituto de Tecnologia Química e Biológica; Universidade Nova de Lisboa; Apartado 127 2780-901 Oeiras Portugal
| | - Miguel Chaves-Ferreira
- Biology of Parasitism Laboratory; Instituto de Medicina Molecular; Faculdade de Medicina da Universidade de Lisboa; Avenida Professor Egas Moniz 1649-028 Lisboa Portugal
| | - João A. Rodrigues
- Biology of Parasitism Laboratory; Instituto de Medicina Molecular; Faculdade de Medicina da Universidade de Lisboa; Avenida Professor Egas Moniz 1649-028 Lisboa Portugal
| | - M. Rita Ventura
- Bioorganic Chemistry Laboratory; Instituto de Tecnologia Química e Biológica; Universidade Nova de Lisboa; Apartado 127 2780-901 Oeiras Portugal
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18
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Oliveira-Ferrer L, Legler K, Milde-Langosch K. Role of protein glycosylation in cancer metastasis. Semin Cancer Biol 2017; 44:141-152. [PMID: 28315783 DOI: 10.1016/j.semcancer.2017.03.002] [Citation(s) in RCA: 174] [Impact Index Per Article: 24.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2017] [Revised: 03/08/2017] [Accepted: 03/13/2017] [Indexed: 02/06/2023]
Abstract
Although altered glycosylation has been detected in human cancer cells decades ago, only investigations in the last years have enormously increased our knowledge about the details of protein glycosylation and its role in tumour progression. Many proteins, which are heavily glycosylated, i.e. adhesion proteins or proteases, play an important role in cancer metastasis that represents the crucial and frequently life-threatening step in progression of most tumour types. Compared to normal tissue, tumour cells often show altered glycosylation patters with appearance of new tumour-specific antigens. In this review, we give an overview about the role of glycosylation in tumour metastasis, describing recent results about O-glycans, N-glycans and glycosaminoglycans. We show that glycan structures, glycosylated proteins and glycosylation enzymes have influence on different steps of the metastatic process, including epithelial-mesenchymal transition (EMT), migration, invasion/intravasation and extravasation of tumour cells. Regarding the important role of cancer metastasis for patients survival, further knowledge about the consequences of altered glycosylation patterns in tumour cells is needed which might eventually lead to the development of novel therapeutic approaches.
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Affiliation(s)
| | - Karen Legler
- Department of Gynecology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Karin Milde-Langosch
- Department of Gynecology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
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19
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Varki A. Biological roles of glycans. Glycobiology 2016; 27:3-49. [PMID: 27558841 PMCID: PMC5884436 DOI: 10.1093/glycob/cww086] [Citation(s) in RCA: 1448] [Impact Index Per Article: 181.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2016] [Revised: 08/15/2016] [Accepted: 08/16/2016] [Indexed: 02/07/2023] Open
Abstract
Simple and complex carbohydrates (glycans) have long been known to play major metabolic, structural and physical roles in biological systems. Targeted microbial binding to host glycans has also been studied for decades. But such biological roles can only explain some of the remarkable complexity and organismal diversity of glycans in nature. Reviewing the subject about two decades ago, one could find very few clear-cut instances of glycan-recognition-specific biological roles of glycans that were of intrinsic value to the organism expressing them. In striking contrast there is now a profusion of examples, such that this updated review cannot be comprehensive. Instead, a historical overview is presented, broad principles outlined and a few examples cited, representing diverse types of roles, mediated by various glycan classes, in different evolutionary lineages. What remains unchanged is the fact that while all theories regarding biological roles of glycans are supported by compelling evidence, exceptions to each can be found. In retrospect, this is not surprising. Complex and diverse glycans appear to be ubiquitous to all cells in nature, and essential to all life forms. Thus, >3 billion years of evolution consistently generated organisms that use these molecules for many key biological roles, even while sometimes coopting them for minor functions. In this respect, glycans are no different from other major macromolecular building blocks of life (nucleic acids, proteins and lipids), simply more rapidly evolving and complex. It is time for the diverse functional roles of glycans to be fully incorporated into the mainstream of biological sciences.
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Affiliation(s)
- Ajit Varki
- Departments of Medicine and Cellular & Molecular Medicine, Glycobiology Research and Training Center, University of California at San Diego, La Jolla, CA 92093-0687, USA
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20
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Sukhikh GT, Ziganshina MM, Nizyaeva NV, Kulikova GV, Volkova JS, Yarotskaya EL, Kan NE, Shchyogolev AI, Tyutyunnik VL. Differences of glycocalyx composition in the structural elements of placenta in preeclampsia. Placenta 2016; 43:69-76. [PMID: 27324102 DOI: 10.1016/j.placenta.2016.05.002] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/03/2015] [Revised: 04/27/2016] [Accepted: 05/04/2016] [Indexed: 12/21/2022]
Abstract
INTRODUCTION Glycans expressed in the fetal-maternal interface were shown to exert immunomodulating effects and to mediate interactions between the cells. The aim of this study was to investigate alterations in the structure of carbohydrate chains of glycocalyx in placental tissue in pregnancies complicated with preeclampsia (PE). METHODS A histochemical analysis of placental tissues was performed with a panel of biotinylated lectins. We analyzed placental tissues in women who had severe or moderate PE and compared them to placentas from women with normal pregnancies. RESULTS There was decreased content of terminal residues of α(2,6)-linked sialic acid (as stained by SNA lectin) in the carbohydrate chains of glycocalyx of the endothelium of placental terminal villi in patients with moderate preeclampsia. The composition of the glycocalyx of syncytiotrophoblast in patients of this group did not differ from the control group. Amount of the glycans with terminal β-Gal- (ECL) and α-mannosyl residues (ConA) in the syncytiotrophoblast and capillary endothelium of the placenta was significantly higher in the group with severe PE compared to the control group. The increased content of sialoglycans with α(2,6)-linked sialic acids residues were discovered in the syncytium, and the decreased content of α(2,3)-linked sialic acids residues - in the endothelium of terminal villi in preeclampsia. DISCUSSION The most prominent alteration of the glycocalyx composition was found in the placentas of women with severe preeclampsia. It is likely that the modified glycome of syncytiotrophoblast and capillary endothelium may play an important role in pathogenesis of preeclampsia.
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Affiliation(s)
- G T Sukhikh
- Federal State Budget Institution «Research Center for Obstetrics, Gynecology and Perinatology» of Ministry of Healthcare of the Russian Federation, Russian Federation
| | - M M Ziganshina
- Laboratory of Clinical Immunology, Federal State Budget Institution «Research Center for Obstetrics, Gynecology and Perinatology» of Ministry of Healthcare of the Russian Federation, Russian Federation.
| | - N V Nizyaeva
- Department of Perinatal Pathology, Federal State Budget Institution «Research Center for Obstetrics, Gynecology and Perinatology» of Ministry of Healthcare of the Russian Federation, Russian Federation
| | - G V Kulikova
- Department of Perinatal Pathology, Federal State Budget Institution «Research Center for Obstetrics, Gynecology and Perinatology» of Ministry of Healthcare of the Russian Federation, Russian Federation
| | - J S Volkova
- Department of Perinatal Pathology, Federal State Budget Institution «Research Center for Obstetrics, Gynecology and Perinatology» of Ministry of Healthcare of the Russian Federation, Russian Federation
| | - E L Yarotskaya
- Department of International Cooperation, Federal State Budget Institution «Research Center for Obstetrics, Gynecology and Perinatology» of Ministry of Healthcare of the Russian Federation, Russian Federation
| | - N E Kan
- Observational Department, Federal State Budget Institution «Research Center for Obstetrics, Gynecology and Perinatology» of Ministry of Healthcare of the Russian Federation, Russian Federation
| | - A I Shchyogolev
- Department of Perinatal Pathology, Federal State Budget Institution «Research Center for Obstetrics, Gynecology and Perinatology» of Ministry of Healthcare of the Russian Federation, Russian Federation
| | - V L Tyutyunnik
- Obstetrical Physiologic Department, Federal State Budget Institution «Research Center for Obstetrics, Gynecology and Perinatology» of Ministry of Healthcare of the Russian Federation, Russian Federation
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Vojta A, Samaržija I, Bočkor L, Zoldoš V. Glyco-genes change expression in cancer through aberrant methylation. Biochim Biophys Acta Gen Subj 2016; 1860:1776-85. [PMID: 26794090 DOI: 10.1016/j.bbagen.2016.01.002] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2015] [Revised: 01/08/2016] [Accepted: 01/09/2016] [Indexed: 01/25/2023]
Abstract
BACKGROUND Most eukaryotic proteins are modified by covalent addition of glycan molecules that considerably influence their function. Aberrant glycosylation is profoundly involved in malignant transformation, tumor progression and metastasis. Some glycan structures are tumor-specific and reflect disturbed glycan biosynthesis pathways. METHODS We analyzed DNA methylation and expression of 86 glyco-genes in melanoma, hepatocellular, breast and cervical cancers using data from publicly available databases. We also analyzed methylation datasets without the available matching expression data for glyco-genes in lung cancer, and progression of melanoma into lymph node and brain metastases. RESULTS Ten glyco-genes (GALNT3, GALNT6, GALNT7, GALNT14, MGAT3, MAN1A1, MAN1C1, ST3GAL2, ST6GAL1, ST8SIA3) showing changes in both methylation and expression in the same type of cancer belong to GalNAc transferases, GlcNAc transferases, mannosidases and sialyltransferases, which is in line with changes in glycan structures already reported in the same type of tumors. Some of those genes were additionally identified as potentially valuable for disease prognosis. The MGAT5B gene, so far identified as specifically expressed in brain, emerged as a novel candidate gene that is epigenetically dysregulated in different cancers other than brain cancer. We also report for the first time aberrant expression of the GALNT and MAN genes in cancer by aberrant promoter methylation. CONCLUSIONS Aberrant expression of glyco-genes due to aberrant promoter methylation could be a way leading to characteristic glycosylation profiles commonly described in cancer. GENERAL SIGNIFICANCE Methylation status in promoters of candidate glyco-genes might serve as prognostic markers for specific tumors and point to potential novel targets for epigenetic drugs. This article is part of a Special Issue entitled "Glycans in personalised medicine" Guest Editor: Professor Gordan Lauc.
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Affiliation(s)
- Aleksandar Vojta
- University of Zagreb Faculty of Science, Department of Biology, Division of Molecular Biology, Horvatovac 102a, HR-10000 Zagreb, Croatia
| | - Ivana Samaržija
- University of Zagreb Faculty of Science, Department of Biology, Division of Molecular Biology, Horvatovac 102a, HR-10000 Zagreb, Croatia
| | - Luka Bočkor
- University of Zagreb Faculty of Science, Department of Biology, Division of Molecular Biology, Horvatovac 102a, HR-10000 Zagreb, Croatia
| | - Vlatka Zoldoš
- University of Zagreb Faculty of Science, Department of Biology, Division of Molecular Biology, Horvatovac 102a, HR-10000 Zagreb, Croatia.
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22
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Suzuki O, Abe M, Hashimoto Y. Sialylation and glycosylation modulate cell adhesion and invasion to extracellular matrix in human malignant lymphoma: Dependency on integrin and the Rho GTPase family. Int J Oncol 2015; 47:2091-9. [PMID: 26497328 PMCID: PMC4665765 DOI: 10.3892/ijo.2015.3211] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2015] [Accepted: 09/30/2015] [Indexed: 11/05/2022] Open
Abstract
To determine the biological roles of cell surface glycosylation, we modified the surface glycosylation of human malignant lymphoma cell lines using glycosylation inhibitors. The O-glycosylation inhibitor, benzyl-α-GalNAc (BZ) enhanced the fibronectin adhesion of HBL-8 cells, a human Burkitt's lymphoma cell line, and of H-ALCL cells, a human anaplastic large cell lymphoma cell line, both of which were established in our laboratory. The N-glycosylation inhibitor, tunicamycin (TM) inhibited the surface expression of Phaseolus vulgaris leukoagglutinating (L-PHA) lectin- and Canavalia ensiformis (ConA) lectin-reactive oligosaccharides in the HBL-8 cell line. Assay of the adhesion of HBL-8 cells to fibronectin showed that fibronectin adhesion is mediated by the integrin very late antigen (VLA)-4 and that not only BZ but also TM treatment enhanced HBL-8 cell adhesion to fibronectin. Furthermore, although BZ treatment also enhanced H-ALCL cell adhesion to fibronectin, this effect was not mediated by VLA-5 or the RGD sequence of fibronectin. We also showed that H-ALCL cell adhesion to galectin-3 was enhanced by pre-treatment with neuraminidase, which cleaves cell surface sialic acid. Additionally, H-ALCL cell adhesion to galectin-3 was inhibited by pre‑treatment with the RGD peptide suggesting that cell adhesion to galectin-3 is mediated by integrin (VLA-5). Furthermore, H-ALCL cell invasion of galectin-1 and galectin-3 was inhibited by pre-treatment with the RGD peptide. Therefore, cell adhesion to and invasion of galectin-1 and galectin-3 are integrin-dependent. In addition to these findings, cell adhesion to galectin-3 was markedly inhibited by treatment with β-lactose compared to treatment with sucrose. Therefore, interactions between integrins and galectin-3 may be mediated through β-galactose that is linked to glycans of integrins. AZA1, an inhibitor of Ras homolog oncoprotein (Rho) GTPase family proteins, RAS-related C3 botulinus toxin substrate 1 (Rac 1) and Cell division control protein 42 homolog (Cdc42) markedly inhibited cell invasion of galectin-1 and galectin-3 suggesting that Rac 1 and Cdc42 may be involved in the regulation of H-ALCL cell invasion of galectins. In conclusion, artificial modification of cell surface glycosylation revealed the biological roles of glycosylation in the adhesion to and invasion of the extracellular matrix (ECM) by human malignant lymphoma cell lines. These findings will provide new insight into the glycobiology of human malignant lymphoma.
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Affiliation(s)
- Osamu Suzuki
- Department of Diagnostic Pathology, School of Medicine, Fukushima Medical University, Fukushima 960-1295, Japan
| | - Masafumi Abe
- Department of Diagnostic Pathology, School of Medicine, Fukushima Medical University, Fukushima 960-1295, Japan
| | - Yuko Hashimoto
- Department of Diagnostic Pathology, School of Medicine, Fukushima Medical University, Fukushima 960-1295, Japan
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