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Liu Y, Peng FX. Research progress on O-GlcNAcylation in the occurrence, development, and treatment of colorectal cancer. World J Gastrointest Surg 2021; 13:96-115. [PMID: 33643531 PMCID: PMC7898190 DOI: 10.4240/wjgs.v13.i2.96] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/17/2020] [Revised: 12/21/2020] [Accepted: 12/29/2020] [Indexed: 02/06/2023] Open
Abstract
For a long time, colorectal cancer (CRC) has been ranked among the top cancer-related mortality rates, threatening human health. As a significant post-translational modification, O-GlcNAcylation plays an essential role in complex life activities. Related studies have found that the occurrence, development, and metastasis of CRC are all related to abnormal O-GlcNAcylation and participate in many critical biological processes, such as gene transcription, signal transduction, cell growth, and differentiation. Recently, nucleotide sugar analogs, tumor-specific carbohydrate vaccine, SIRT1 longevity gene, dendritic cells as targets, and NOTCH gene have become effective methods to induce antitumor therapy. Not long ago, checkpoint kinase 1 and checkpoint kinase 2 were used as therapeutic targets for CRC, but there are still many problems to be solved. With an in-depth study of protein chip, mass spectrometry, chromatography, and other technologies, O-GlcNAcylation research will accelerate rapidly, which may provide new ideas for the research and development of antitumor drugs and the discovery of new CRC diagnostic markers.
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Affiliation(s)
- Yao Liu
- Department of Gastrointestinal Surgery, The Second Affiliated Hospital of North Sichuan Medical College, Mianyang 621000, Sichuan Province, China
- Department of Gastrointestinal Surgery, Sichuan Mianyang 404 Hospital, Mianyang 621000, Sichuan Province, China
| | - Fang-Xing Peng
- Department of Gastrointestinal Surgery, The Second Affiliated Hospital of North Sichuan Medical College, Mianyang 621000, Sichuan Province, China
- Department of Gastrointestinal Surgery, Sichuan Mianyang 404 Hospital, Mianyang 621000, Sichuan Province, China
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Tran ENH, Day CJ, McCartney E, Poole J, Tse E, Jennings MP, Morona R. Shigella flexneri Targets Human Colonic Goblet Cells by O Antigen Binding to Sialyl-Tn and Tn Antigens via Glycan-Glycan Interactions. ACS Infect Dis 2020; 6:2604-2615. [PMID: 32926786 DOI: 10.1021/acsinfecdis.0c00178] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
Shigella flexneri targets colonic cells in humans to initiate invasive infection processes that lead to dysentery, and direct interactions between their lipopolysaccharide O antigens and blood group A related glycans are involved in the cell adherence interactions. Here, we show that treatment with Tn and sialyl-Tn glycans, monoclonal antibodies and lectins reactive to Tn/sialyl-Tn, and luteolin (a Tn antigen synthesis inhibitor) all significantly inhibited S. flexneri adherence and invasion of cells in vitro. Surface plasmon resonance analysis showed that lipopolysaccharide O antigen had a high affinity interaction with Tn/sialyl-Tn. Immunofluorescence probing of human colon tissue with antibodies detected expression of Tn/sialyl-Tn by MUC2 producing goblet cells (GCs), and S. flexneri incubated with human colon tissue colocalized with GCs. Our findings demonstrate that S. flexneri targets GCs in the human colonic crypts via glycan-glycan interactions, establishing new insight into the infection process in humans.
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Affiliation(s)
- Elizabeth Ngoc Hoa Tran
- School of Biological Sciences, Research Centre for Infectious Diseases, University of Adelaide, Adelaide, South Australia 5005, Australia
| | - Christopher J. Day
- Institute for Glycomics, Griffith University, Gold Coast Campus, Brisbane, Queensland 4222, Australia
| | - Erin McCartney
- Gastroenterological/Hepatological Biobank, Royal Adelaide Hospital, Adelaide, South Australia 5000, Australia
| | - Jessica Poole
- Institute for Glycomics, Griffith University, Gold Coast Campus, Brisbane, Queensland 4222, Australia
| | - Edmund Tse
- Gastroenterological/Hepatological Biobank, Royal Adelaide Hospital, Adelaide, South Australia 5000, Australia
| | - Michael P. Jennings
- Institute for Glycomics, Griffith University, Gold Coast Campus, Brisbane, Queensland 4222, Australia
| | - Renato Morona
- School of Biological Sciences, Research Centre for Infectious Diseases, University of Adelaide, Adelaide, South Australia 5005, Australia
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Hyperglycemia exacerbates colon cancer malignancy through hexosamine biosynthetic pathway. Oncogenesis 2017; 6:e306. [PMID: 28319096 PMCID: PMC5533945 DOI: 10.1038/oncsis.2017.2] [Citation(s) in RCA: 71] [Impact Index Per Article: 10.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2016] [Revised: 11/07/2016] [Accepted: 12/14/2016] [Indexed: 02/07/2023] Open
Abstract
Hyperglycemia is a common feature of diabetes mellitus, considered as a risk factor for cancer. However, its direct effects in cancer cell behavior are relatively unexplored. Herein we show that high glucose concentration induces aberrant glycosylation, increased cell proliferation, invasion and tumor progression of colon cancer. By modulating the activity of the rate-limiting enzyme, glutamine-fructose-6-phosphate amidotransferase (GFAT), we demonstrate that hexosamine biosynthetic pathway (HBP) is involved in those processes. Biopsies from patients with colon carcinoma show increased levels of GFAT and consequently aberrant glycans’ expression suggesting an increase of HBP flow in human colon cancer. All together, our results open the possibility that HBP links hyperglycemia, aberrant glycosylation and tumor malignancy, and suggest this pathway as a potential therapeutic target for colorectal cancer.
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Mihalache A, Delplanque JF, Ringot-Destrez B, Wavelet C, Gosset P, Nunes B, Groux-Degroote S, Léonard R, Robbe-Masselot C. Structural Characterization of Mucin O-Glycosylation May Provide Important Information to Help Prevent Colorectal Tumor Recurrence. Front Oncol 2015; 5:217. [PMID: 26500890 PMCID: PMC4597131 DOI: 10.3389/fonc.2015.00217] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2015] [Accepted: 09/22/2015] [Indexed: 12/18/2022] Open
Abstract
Although colorectal cancer is a preventable and curable disease if early stage tumors are removed, it still represents the second cause of cancer-related death worldwide. Surgical resection is the only curative treatment but once operated the patient is either subjected to adjuvant chemotherapy or not, depending on the invasiveness of the cancer and risks of recurrence. In this context, we investigated, by mass spectrometry (MS), alterations in the repertoire of glycosylation of mucins from colorectal tumors of various stages, grades, and recurrence status. Tumors were also compared with their counterparts in resection margins from the same patients and with healthy controls. The obtained data showed an important decrease in the level of expression of sialylated core 3-based O-glycans in tumors correlated with an increase in sialylated core 1 structures. No correlation was established between stages of the tumor samples and mucin O-glycosylation. However, with the notable exception of sialyl Tn antigens, tumors with recurrence presented a milder alteration of glycosylation profile than tumors without recurrence. These results suggest that mucin O-glycans from tumors with recurrence might mimic a healthier physiological situation, hence deceiving the immune defense system.
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Affiliation(s)
- Adriana Mihalache
- Structural and Functional Glycobiology Unit, UMR CNRS 8576, University of Lille , Villeneuve d'Ascq , France ; Service d'Anatomie Pathologie, Faculté Libre de Médecine, Hôpital Saint Vincent de Paul, Groupement des Hôpitaux de l'Institut Catholique de Lille , Lille , France
| | - Jean-François Delplanque
- Structural and Functional Glycobiology Unit, UMR CNRS 8576, University of Lille , Villeneuve d'Ascq , France
| | - Bélinda Ringot-Destrez
- Structural and Functional Glycobiology Unit, UMR CNRS 8576, University of Lille , Villeneuve d'Ascq , France
| | - Cindy Wavelet
- Structural and Functional Glycobiology Unit, UMR CNRS 8576, University of Lille , Villeneuve d'Ascq , France
| | - Pierre Gosset
- Service d'Anatomie Pathologie, Faculté Libre de Médecine, Hôpital Saint Vincent de Paul, Groupement des Hôpitaux de l'Institut Catholique de Lille , Lille , France
| | - Bertrand Nunes
- Service Chirurgie Digestive, Faculté Libre de Médecine, Hôpital Saint Philibert, Groupement des Hôpitaux de l'Institut Catholique de Lille , Lille , France
| | - Sophie Groux-Degroote
- Structural and Functional Glycobiology Unit, UMR CNRS 8576, University of Lille , Villeneuve d'Ascq , France
| | - Renaud Léonard
- Structural and Functional Glycobiology Unit, UMR CNRS 8576, University of Lille , Villeneuve d'Ascq , France
| | - Catherine Robbe-Masselot
- Structural and Functional Glycobiology Unit, UMR CNRS 8576, University of Lille , Villeneuve d'Ascq , France
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Abstract
Glycans on proteins and lipids are known to alter with malignant transformation. The study of these may contribute to the discovery of biomarkers and treatment targets as well as understanding of cancer biology. We here describe the change of glycosylation specifically defining colorectal cancer with view on N-glycans, O-glycans, and glycosphingolipid glycans in colorectal cancer cells and tissues as well as patient sera. Glycan alterations observed in colon cancer include increased β1,6-branching and correlating higher abundance of (poly-)N-acetyllactosamine extensions of N-glycans as well as an increase in (truncated) high-mannose type glycans, while bisected structures decrease. Colorectal cancer-associated O-glycan changes are predominated by reduced expression of core 3 and 4 glycans, whereas higher levels of core 1 glycans, (sialyl) T-antigen, (sialyl) Tn-antigen, and a generally higher density of O-glycans are observed. Specific changes for glycosphingolipid glycans are lower abundances of disialylated structures as well as globo-type glycosphingolipid glycans with exception of Gb3. In general, alterations affecting all discussed glycan types are increased sialylation, fucosylation as well as (sialyl) Lewis-type antigens and type-2 chain glycans. As a consequence, interactions with glycan-binding proteins can be affected and the biological function and cellular consequences of the altered glycosylation with regard to tumorigenesis, metastasis, modulation of immunity, and resistance to antitumor therapy will be discussed. Finally, analytical approaches aiding in the field of glycomics will be reviewed with focus on binding assays and mass spectrometry.
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Affiliation(s)
- Stephanie Holst
- Center for Proteomics and Metabolomics, Leiden University Medical Center, Leiden, The Netherlands.
| | - Manfred Wuhrer
- Center for Proteomics and Metabolomics, Leiden University Medical Center, Leiden, The Netherlands; Department of Molecular Cell Biology and Immunology, VU University Medical Center, Amsterdam, The Netherlands; Division of BioAnalytical Chemistry, VU University, Amsterdam, The Netherlands
| | - Yoann Rombouts
- Center for Proteomics and Metabolomics, Leiden University Medical Center, Leiden, The Netherlands
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Li Q, Anver MR, Butcher DO, Gildersleeve JC. Resolving conflicting data on expression of the Tn antigen and implications for clinical trials with cancer vaccines. Mol Cancer Ther 2009; 8:971-9. [PMID: 19372570 DOI: 10.1158/1535-7163.mct-08-0934] [Citation(s) in RCA: 49] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
The tumor-associated Tn antigen has been investigated extensively as a biomarker and therapeutic target. Cancer vaccines containing the Tn antigen as a single tumor antigen or as a component of a polyvalent vaccine have progressed into phase I and II clinical trials. One major focus of Tn-based vaccines is the treatment of prostate cancer patients. Although expression of the antigen on prostate tumors is a critical prerequisite, previous reports investigating Tn expression in prostate tumors have produced conflicting results. Using a combination of immunohistochemistry and carbohydrate microarray profiling, we show that only 4% to 26% of prostate tumors express the Tn antigen. Based on our results, the majority of prostate cancer patients do not express the appropriate antigen. Therefore, efforts to preselect the subset of prostate cancer patients with Tn-positive tumors or apply Tn vaccines to other cancers with higher rates of antigen expression could significantly improve clinical response rates. Because conflicting information on carbohydrate expression is a general problem for the field, the approach described in this article of analyzing antigen expression with multiple antibodies and using carbohydrate microarray profiles to interpret the results will be useful for the development of other carbohydrate-based cancer vaccines and diagnostics.
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Affiliation(s)
- Qian Li
- Laboratory of Medicinal Chemistry, Center for Cancer Research, SAIC-Frederick, Inc., Frederick, MD 21702, USA
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Abstract
Mucins are high molecular weight glycoproteins with complex oligosaccharide side chains attached to the apomucin protein backbone byO-glycosidic linkage; they are found in crude mucus gels that protect epithelial surfaces in the major tracts of the body and as transmembrane proteins expressed on the apical cell surface of glandular and ductal epithelia of various organs. Changes in the sequence of glycosylation of mucins in different settings generate a variety of epitopes in the oligosaccharide side chains of mucins, including newly expressed blood-group antigens, distinguishing between normal and diseased states. Tumour-associated epitopes on mucins and their antigenicity make them suitable as immunotargets on malignant epithelial cells and their secretions, creating a surge of interest in mucins as diagnostic and prognostic markers for various diseases, and even influencing the design of mucin-based vaccines. This review discusses the emerging roles of mucins such as MUC1 and MUC4 in cancer and some other diseases, and stresses how underglycosylated and truncated mucins are exploited as markers of disease and to monitor widespread metastasis, making them useful in patient management. Furthermore the type, pattern and amount of mucin secreted in some tissues have been considered in the classification and terminology of neoplasia and in specific organs such as the pancreas. These factors have been instrumental in pathological classification, diagnosis and prognostication of neoplasia.
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Barresi G, Giuffrè G, Vitarelli E, Grosso M, Tuccari G. The immunoexpression of Tn, sialyl-Tn and T antigens in chronic active gastritis in relation to Helicobacter pylori infection. Pathology 2002. [PMID: 11523928 DOI: 10.1080/00313020126324] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
The simple mucin-type carbohydrate antigens Tn, sialyl-Tn and T represent the mucin core oligosaccharide structures that are produced in the initial steps of mucin biosynthetic pathway. Utilising monoclonal antibodies anti-Tn antigen, anti-sialyl-Tn antigen and anti-T antigen, we have investigated the expression of the simple mucin-type carbohydrate antigens in 47 biopsy specimens of antral mucosa with chronic active gastritis, 25 of which had Helicobacter pylori infection. The Tn immunoreactivity, localised at the supranuclear region of surface and glandular mucous cells, was observed in all samples, independently from H. pylori status. The sialyl-Tn antigen, mainly localised in the cytoplasm of glandular mucous cells and in goblet cells vacuoles, was seen in 56% of the cases with H. pylori infection and in 41% of the cases in the H. pylori-negative group. In addition, the T antigen was found in the cytoplasm of surface and glandular mucous cells in 16% of the H. pylori-positive group, whereas the percentage of positive cases was reduced to 5% in H. pylori-negative patients, with an exclusive localisation in the cytoplasm of glandular mucous cells; after neuraminidase treatment, the percentage of T antigen-positive cases was increased to 28% in H. pylori-positive cases and to 27% in negative cases. No significant relationships between H. pylori infection and Tn, sialyl-Tn or T antigen immunoexpression were encountered in our cases. Therefore, we maintain that the inflammatory infiltrate may itself play an important role in the expression of simple mucin-type carbohydrate antigens in chronic active antral gastritis.
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Affiliation(s)
- G Barresi
- Department of Human Pathology, University of Messina, Italy.
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