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Di Gregorio J, Di Giuseppe L, Terreri S, Rossi M, Battafarano G, Pagliarosi O, Flati V, Del Fattore A. Protein Stability Regulation in Osteosarcoma: The Ubiquitin-like Modifications and Glycosylation as Mediators of Tumor Growth and as Targets for Therapy. Cells 2024; 13:537. [PMID: 38534381 DOI: 10.3390/cells13060537] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2024] [Revised: 03/11/2024] [Accepted: 03/16/2024] [Indexed: 03/28/2024] Open
Abstract
The identification of new therapeutic targets and the development of innovative therapeutic approaches are the most important challenges for osteosarcoma treatment. In fact, despite being relatively rare, recurrence and metastatic potential, particularly to the lungs, make osteosarcoma a deadly form of cancer. In fact, although current treatments, including surgery and chemotherapy, have improved survival rates, the disease's recurrence and metastasis are still unresolved complications. Insights for analyzing the still unclear molecular mechanisms of osteosarcoma development, and for finding new therapeutic targets, may arise from the study of post-translational protein modifications. Indeed, they can influence and alter protein structure, stability and function, and cellular interactions. Among all the post-translational modifications, ubiquitin-like modifications (ubiquitination, deubiquitination, SUMOylation, and NEDDylation), as well as glycosylation, are the most important for regulating protein stability, which is frequently altered in cancers including osteosarcoma. This review summarizes the relevance of ubiquitin-like modifications and glycosylation in osteosarcoma progression, providing an overview of protein stability regulation, as well as highlighting the molecular mediators of these processes in the context of osteosarcoma and their possible targeting for much-needed novel therapy.
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Affiliation(s)
- Jacopo Di Gregorio
- Department of Biotechnological and Applied Clinical Sciences, University of L'Aquila, 67100 L'Aquila, Italy
| | - Laura Di Giuseppe
- Department of Clinical, Internal, Anaesthesiological and Cardiovascular Sciences, Sapienza University, 00185 Rome, Italy
| | - Sara Terreri
- Bone Physiopathology Research Unit, Translational Pediatrics and Clinical Genetics Research Division, Bambino Gesù Children's Hospital, IRCCS, 00146 Rome, Italy
| | - Michela Rossi
- Bone Physiopathology Research Unit, Translational Pediatrics and Clinical Genetics Research Division, Bambino Gesù Children's Hospital, IRCCS, 00146 Rome, Italy
| | - Giulia Battafarano
- Bone Physiopathology Research Unit, Translational Pediatrics and Clinical Genetics Research Division, Bambino Gesù Children's Hospital, IRCCS, 00146 Rome, Italy
| | - Olivia Pagliarosi
- Bone Physiopathology Research Unit, Translational Pediatrics and Clinical Genetics Research Division, Bambino Gesù Children's Hospital, IRCCS, 00146 Rome, Italy
| | - Vincenzo Flati
- Department of Biotechnological and Applied Clinical Sciences, University of L'Aquila, 67100 L'Aquila, Italy
| | - Andrea Del Fattore
- Bone Physiopathology Research Unit, Translational Pediatrics and Clinical Genetics Research Division, Bambino Gesù Children's Hospital, IRCCS, 00146 Rome, Italy
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2
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Bangarh R, Khatana C, Kaur S, Sharma A, Kaushal A, Siwal SS, Tuli HS, Dhama K, Thakur VK, Saini RV, Saini AK. Aberrant protein glycosylation: Implications on diagnosis and Immunotherapy. Biotechnol Adv 2023; 66:108149. [PMID: 37030554 DOI: 10.1016/j.biotechadv.2023.108149] [Citation(s) in RCA: 15] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2022] [Revised: 03/10/2023] [Accepted: 04/04/2023] [Indexed: 04/10/2023]
Abstract
Glycosylation-mediated post-translational modification is critical for regulating many fundamental processes like cell division, differentiation, immune response, and cell-to-cell interaction. Alterations in the N-linked or O-linked glycosylation pattern of regulatory proteins like transcription factors or cellular receptors lead to many diseases, including cancer. These alterations give rise to micro- and macro-heterogeneity in tumor cells. Here, we review the role of O- and N-linked glycosylation and its regulatory function in autoimmunity and aberrant glycosylation in cancer. The change in cellular glycome could result from a change in the expression of glycosidases or glycosyltransferases like N-acetyl-glucosaminyl transferase V, FUT8, ST6Gal-I, DPAGT1, etc., impact the glycosylation of target proteins leading to transformation. Moreover, the mutations in glycogenes affect glycosylation patterns on immune cells leading to other related manifestations like pro- or anti-inflammatory effects. In recent years, understanding the glycome to cancer indicates that it can be utilized for both diagnosis/prognosis as well as immunotherapy. Studies involving mass spectrometry of proteome, site- and structure-specific glycoproteomics, or transcriptomics/genomics of patient samples and cancer models revealed the importance of glycosylation homeostasis in cancer biology. The development of emerging technologies, such as the lectin microarray, has facilitated research on the structure and function of glycans and glycosylation. Newly developed devices allow for high-throughput, high-speed, and precise research on aberrant glycosylation. This paper also discusses emerging technologies and clinical applications of glycosylation.
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Affiliation(s)
- Rashmi Bangarh
- Department of Biotechnology, MMEC, Maharishi Markandeshwar (Deemed to Be University), Mullana-Ambala, Haryana 133207, India
| | - Chainika Khatana
- Department of Biotechnology, MMEC, Maharishi Markandeshwar (Deemed to Be University), Mullana-Ambala, Haryana 133207, India
| | - Simranjeet Kaur
- Department of Biotechnology, MMEC, Maharishi Markandeshwar (Deemed to Be University), Mullana-Ambala, Haryana 133207, India
| | - Anchita Sharma
- Division of Biology, Indian Institute of Science Education and Research, Tirupati, Andhra Pradesh 517641, India
| | - Ankur Kaushal
- Department of Biotechnology, MMEC, Maharishi Markandeshwar (Deemed to Be University), Mullana-Ambala, Haryana 133207, India
| | - Samarjeet Singh Siwal
- Department of Chemistry, MMEC, Maharishi Markandeshwar (Deemed to Be University), Mullana-Ambala, Haryana 133207, India
| | - Hardeep Singh Tuli
- Department of Biotechnology, MMEC, Maharishi Markandeshwar (Deemed to Be University), Mullana-Ambala, Haryana 133207, India
| | - Kuldeep Dhama
- Division of Pathology, ICAR-Indian Veterinary Research Institute, Bareilly 243122, Uttar Pradesh, India
| | - Vijay Kumar Thakur
- Biorefining and Advanced Materials Research Center, Scotland's Rural College (SRUC), Kings Buildings, West Mains Road, Edinburgh EH9 3JG, United Kingdom; School of Engineering, University of Petroleum & Energy Studies (UPES), Dehradun 248007, Uttarakhand, India.
| | - Reena V Saini
- Department of Biotechnology, MMEC, Maharishi Markandeshwar (Deemed to Be University), Mullana-Ambala, Haryana 133207, India
| | - Adesh K Saini
- Department of Biotechnology, MMEC, Maharishi Markandeshwar (Deemed to Be University), Mullana-Ambala, Haryana 133207, India
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3
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Tankyrase-1-mediated degradation of Golgin45 regulates glycosyltransferase trafficking and protein glycosylation in Rab2-GTP-dependent manner. Commun Biol 2021; 4:1370. [PMID: 34876695 PMCID: PMC8651787 DOI: 10.1038/s42003-021-02899-0] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2020] [Accepted: 11/18/2021] [Indexed: 12/23/2022] Open
Abstract
Altered glycosylation plays an important role during development and is also a hallmark of increased tumorigenicity and metastatic potentials of several cancers. We report here that Tankyrase-1 (TNKS1) controls protein glycosylation by Poly-ADP-ribosylation (PARylation) of a Golgi structural protein, Golgin45, at the Golgi. TNKS1 is a Golgi-localized peripheral membrane protein that plays various roles throughout the cell, ranging from telomere maintenance to Glut4 trafficking. Our study indicates that TNKS1 localization to the Golgi apparatus is mediated by Golgin45. TNKS1-dependent control of Golgin45 protein stability influences protein glycosylation, as shown by Glycomic analysis. Further, FRAP experiments indicated that Golgin45 protein level modulates Golgi glycosyltransferease trafficking in Rab2-GTP-dependent manner. Taken together, these results suggest that TNKS1-dependent regulation of Golgin45 may provide a molecular underpinning for altered glycosylation at the Golgi during development or oncogenic transformation.
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4
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González-González R, Ortiz-Sarabia G, Molina-Frechero N, Salas-Pacheco JM, Salas-Pacheco SM, Lavalle-Carrasco J, López-Verdín S, Tremillo-Maldonado O, Bologna-Molina R. Epithelial-Mesenchymal Transition Associated with Head and Neck Squamous Cell Carcinomas: A Review. Cancers (Basel) 2021; 13:cancers13123027. [PMID: 34204259 PMCID: PMC8234594 DOI: 10.3390/cancers13123027] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2021] [Revised: 06/09/2021] [Accepted: 06/15/2021] [Indexed: 02/07/2023] Open
Abstract
Head and neck squamous cell carcinomas (HNSCCs) are aggressive, recurrent, and metastatic neoplasms with a high occurrence around the world and can lead to death when not treated appropriately. Several molecules and signaling pathways are involved in the malignant conversion process. Epithelial-mesenchymal transition (EMT) has been described in HNSCCs, a major type of aggressive carcinoma. EMT describes the development of epithelial cells into mesenchymal cells, which depends on several molecular interactions and signaling pathways that facilitate mesenchymal conversion. This is related to interactions with the microenvironment of the tumor, hypoxia, growth factors, matrix metalloproteinases, and the presence of viral infections. In this review, we focus on the main molecules related to EMT, their interactions with the tumor microenvironment, plasticity phenomena, epigenetic regulation, hypoxia, inflammation, their relationship with immune cells, and the inhibition of EMT in the context of HNSCCs.
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Affiliation(s)
- Rogelio González-González
- Department of Research, School of Dentistry, Universidad Juárez del Estado de Durango, Durango 34000, Mexico; (R.G.-G.); (G.O.-S.); (O.T.-M.)
| | - Gamaliel Ortiz-Sarabia
- Department of Research, School of Dentistry, Universidad Juárez del Estado de Durango, Durango 34000, Mexico; (R.G.-G.); (G.O.-S.); (O.T.-M.)
| | - Nelly Molina-Frechero
- Xochimilco Unit, Department of Health Care, Universidad Autónoma Metropolitana (UAM) Xochimilco, Mexico City 04960, Mexico; (N.M.-F.); (J.L.-C.)
| | - José Manuel Salas-Pacheco
- Scientific Research Institute, Universidad Juárez del Estado de Durango, Avenida Universidad S/N, Durango 34000, Mexico; (J.M.S.-P.); (S.M.S.-P.)
| | - Sergio Manuel Salas-Pacheco
- Scientific Research Institute, Universidad Juárez del Estado de Durango, Avenida Universidad S/N, Durango 34000, Mexico; (J.M.S.-P.); (S.M.S.-P.)
| | - Jesús Lavalle-Carrasco
- Xochimilco Unit, Department of Health Care, Universidad Autónoma Metropolitana (UAM) Xochimilco, Mexico City 04960, Mexico; (N.M.-F.); (J.L.-C.)
| | - Sandra López-Verdín
- Health Science Center, Dentistry Research Institute, Universidad de Guadalajara, Guadalajara 4430, Mexico;
| | - Omar Tremillo-Maldonado
- Department of Research, School of Dentistry, Universidad Juárez del Estado de Durango, Durango 34000, Mexico; (R.G.-G.); (G.O.-S.); (O.T.-M.)
| | - Ronell Bologna-Molina
- Department of Research, School of Dentistry, Universidad Juárez del Estado de Durango, Durango 34000, Mexico; (R.G.-G.); (G.O.-S.); (O.T.-M.)
- Molecular Pathology Area, School of Dentistry, Universidad de la República, Montevideo 11600, Uruguay
- Correspondence:
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5
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Liao C, An J, Tan Z, Xu F, Liu J, Wang Q. Changes in Protein Glycosylation in Head and Neck Squamous Cell Carcinoma. J Cancer 2021; 12:1455-1466. [PMID: 33531990 PMCID: PMC7847636 DOI: 10.7150/jca.51604] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2020] [Accepted: 12/09/2020] [Indexed: 12/11/2022] Open
Abstract
Glycosylation is an important posttranslational modification of proteins, and it has a profound influence on diverse life processes. An abnormal polysaccharide structure and mutation of the glycosylation pathway are closely correlated with human cancer progression. Glycoproteins such as EGFR, E-cadherin, CD44, PD-1/PD-L1, B7-H3 and Muc1 play important roles in the progression of head and neck squamous cell carcinoma (HNSCC), and their levels of glycosylation and changes in glycosyl structure are closely linked to HNSCC progression and malignant transformation. The regulation of protein glycosylation in HNSCC provides potential strategies to control cancer stem cell (CSC) subgroup expansion, epithelial-mesenchymal transition (EMT), tumor-related immunity escape and autophagy. Glycoproteins with altered glycosylation can be used as biomarkers for the early diagnosis, monitoring and prognostication of HNSCC. However, the glycobiology of cancer is still a new field that needs to be deeply studied, especially in HNSCC.
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Affiliation(s)
- Chengcheng Liao
- Oral Disease Research Key Laboratory of Guizhou Tertiary Institution, School of Stomatology, Zunyi Medical University, Zunyi 563006, China
| | - Jiaxing An
- Department of Gastroenterology, Affiliated Hospital of Zunyi Medical University, Zunyi 563000, China
| | - Zhangxue Tan
- Oral Disease Research Key Laboratory of Guizhou Tertiary Institution, School of Stomatology, Zunyi Medical University, Zunyi 563006, China
| | - Fangping Xu
- Oral Disease Research Key Laboratory of Guizhou Tertiary Institution, School of Stomatology, Zunyi Medical University, Zunyi 563006, China
| | - Jianguo Liu
- Oral Disease Research Key Laboratory of Guizhou Tertiary Institution, School of Stomatology, Zunyi Medical University, Zunyi 563006, China
| | - Qian Wang
- Oral Disease Research Key Laboratory of Guizhou Tertiary Institution, School of Stomatology, Zunyi Medical University, Zunyi 563006, China.,Microbial Resources and Drug Development Key Laboratory of Guizhou Tertiary Institution, Life Sciences Institute, Zunyi Medical University, Zunyi 563006, China
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6
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Yoshimoto S, Morita H, Matsuda M, Katakura Y, Hirata M, Hashimoto S. NFAT5 promotes oral squamous cell carcinoma progression in a hyperosmotic environment. J Transl Med 2021; 101:38-50. [PMID: 32901097 PMCID: PMC7758185 DOI: 10.1038/s41374-020-00486-1] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2020] [Revised: 08/26/2020] [Accepted: 08/27/2020] [Indexed: 12/27/2022] Open
Abstract
Epidermal growth factor receptor (EGFR) is highly expressed in several types of cancer cells including oral squamous cell carcinoma (OSCC). EGF/EGFR signaling is recognized as an important molecular target in cancer therapy. However, cancer cells often become tolerant to EGF/EGFR signaling-targeted therapies. In the tumor microenvironment, the tumor incites inflammation and the inflammation-derived cytokines make a considerable impact on cancer development. In addition, hyperosmolarity is also induced, but the role of osmotic stress in cancer development has not been fully understood. This study demonstrates molecular insights into hyperosmolarity effect on OSCC development and shows that NFAT5 transcription factor plays an important functional role in enhancing the oral cancer cell proliferation by inducing the EGFR translocation from the endoplasmic reticulum to the plasma membrane through increase the expression of DPAGT1, an essential enzyme for catalyzing the first committed step of N-linked protein glycosylation. These results suggest that hyperosmolarity-induced intra-nuclear translocation of NFAT5 essential for DPAGT1 activation and EGFR subcellular translocation responsible for OSCC tumor progression.
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Affiliation(s)
- Shohei Yoshimoto
- Section of Pathology, Department of Morphological Biology, Division of Biomedical Sciences, Fukuoka Dental College, Fukuoka, Japan
- Oral Medicine Research Center, Fukuoka Dental College, Fukuoka, Japan
| | - Hiromitsu Morita
- The Center for Visiting Dental Service, Department of General Dentistry, Fukuoka Dental College, Fukuoka Dental College, Fukuoka, Japan
| | - Miho Matsuda
- Laboratory of Molecular and Cellular Biochemistry, Faculty of Dental Science, Kyushu University, Fukuoka, Japan
| | - Yoshinori Katakura
- Department of Bioscience and Biotechnology, Faculty of Agriculture, Kyushu University, Fukuoka, Japan
| | - Masato Hirata
- Oral Medicine Research Center, Fukuoka Dental College, Fukuoka, Japan
| | - Shuichi Hashimoto
- Section of Pathology, Department of Morphological Biology, Division of Biomedical Sciences, Fukuoka Dental College, Fukuoka, Japan.
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7
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Thomas D, Rathinavel AK, Radhakrishnan P. Altered glycosylation in cancer: A promising target for biomarkers and therapeutics. Biochim Biophys Acta Rev Cancer 2020; 1875:188464. [PMID: 33157161 DOI: 10.1016/j.bbcan.2020.188464] [Citation(s) in RCA: 126] [Impact Index Per Article: 31.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2020] [Revised: 10/08/2020] [Accepted: 10/28/2020] [Indexed: 12/13/2022]
Abstract
Glycosylation is a well-regulated cell and microenvironment specific post-translational modification. Several glycosyltransferases and glycosidases orchestrate the addition of defined glycan structures on the proteins and lipids. Recent advances and systemic approaches in glycomics have significantly contributed to a better understanding of instrumental roles of glycans in health and diseases. Emerging research evidence recognized aberrantly glycosylated proteins as the modulators of the malignant phenotype of cancer cells. The Cancer Genome Atlas has identified alterations in the expressions of glycosylation-specific genes that are correlated with cancer progression. However, the mechanistic basis remains poorly explored. Recent researches have shown that specific changes in the glycan structures are associated with 'stemness' and epithelial-to-mesenchymal transition of cancer cells. Moreover, epigenetic changes in the glycosylation pattern make the tumor cells capable of escaping immunosurveillance mechanisms. The deciphering roles of glycans in cancer emphasize that glycans can serve as a source for the development of novel clinical biomarkers. The ability of glycans in intervening various stages of tumor progression and the biosynthetic pathways involved in glycan structures constitute a promising target for cancer therapy. Advances in the knowledge of innovative strategies for identifying the mechanisms of glycan-binding proteins are hoped to hold great potential in cancer therapy. This review discusses the fundamental role of glycans in regulating tumorigenesis and tumor progression and provides insights into the influence of glycans in the current tactics of targeted therapies in the clinical setting.
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Affiliation(s)
- Divya Thomas
- Eppley Institute for Research in Cancer and Allied Diseases, University of Nebraska Medical Center, Omaha, NE 68198, USA; Fred & Pamela Buffett Cancer Center, University of Nebraska Medical Center, Omaha, NE 68198, USA
| | - Ashok Kumar Rathinavel
- Eppley Institute for Research in Cancer and Allied Diseases, University of Nebraska Medical Center, Omaha, NE 68198, USA; Fred & Pamela Buffett Cancer Center, University of Nebraska Medical Center, Omaha, NE 68198, USA
| | - Prakash Radhakrishnan
- Eppley Institute for Research in Cancer and Allied Diseases, University of Nebraska Medical Center, Omaha, NE 68198, USA; Fred & Pamela Buffett Cancer Center, University of Nebraska Medical Center, Omaha, NE 68198, USA; Department of Biochemistry and Molecular Biology, University of Nebraska Medical Center, Omaha, NE 68198, USA; Department of Pathology and Microbiology, University of Nebraska Medical Center, Omaha, NE 68198, USA; Department of Genetics, Cell Biology and Anatomy, University of Nebraska Medical Center, Omaha, NE 68198, USA.
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8
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Rodrigues Mantuano N, Natoli M, Zippelius A, Läubli H. Tumor-associated carbohydrates and immunomodulatory lectins as targets for cancer immunotherapy. J Immunother Cancer 2020; 8:jitc-2020-001222. [PMID: 33020245 PMCID: PMC7537339 DOI: 10.1136/jitc-2020-001222] [Citation(s) in RCA: 50] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/28/2020] [Indexed: 12/17/2022] Open
Abstract
During oncogenesis, tumor cells present specific carbohydrate chains that are new targets for cancer immunotherapy. Whereas these tumor-associated carbohydrates (TACA) can be targeted with antibodies and vaccination approaches, TACA including sialic acid-containing glycans are able to inhibit anticancer immune responses by engagement of immune receptors on leukocytes. A family of immune-modulating receptors are sialic acid-binding Siglec receptors that have been recently described to inhibit antitumor activity mediated by myeloid cells, natural killer cells and T cells. Other TACA-binding receptors including selectins have been linked to cancer progression. Recent studies have shown that glycan-lectin interactions can be targeted to improve cancer immunotherapy. For example, interactions between the immune checkpoint T cell immunoglobulin and mucin-domain containing-3 and the lectin galectin-9 are targeted in clinical trials. In addition, an antibody against the lectin Siglec-15 is being tested in an early clinical trial. In this review, we summarize the previous and current efforts to target TACA and to inhibit inhibitory immune receptors binding to TACA including the Siglec-sialoglycan axis.
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Affiliation(s)
| | - Marina Natoli
- Department of Biomedicine, Universitätsspital Basel, Basel, Switzerland
| | - Alfred Zippelius
- Department of Biomedicine, Universitätsspital Basel, Basel, Switzerland
| | - Heinz Läubli
- Department of Biomedicine, Universitätsspital Basel, Basel, Switzerland
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9
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Rasheduzzaman M, Kulasinghe A, Dolcetti R, Kenny L, Johnson NW, Kolarich D, Punyadeera C. Protein glycosylation in head and neck cancers: From diagnosis to treatment. Biochim Biophys Acta Rev Cancer 2020; 1874:188422. [PMID: 32853734 DOI: 10.1016/j.bbcan.2020.188422] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2020] [Revised: 08/20/2020] [Accepted: 08/21/2020] [Indexed: 12/24/2022]
Abstract
Glycosylation is the most common post-translational modification (PTM) of proteins. Malignant tumour cells frequently undergo an alteration in surface protein glycosylation. This phenomenon is also common in cancers of the head and neck, most of which are squamous cell carcinomas (HNSCC). It affects cell functions, including proliferation, motility and invasiveness, thus increasing the propensity to metastasise. HNSCC represents the sixth most frequent malignancy worldwide. These neoplasms, which arise from the mucous membranes of the various anatomical subsites of the upper aero-digestive tract, are heterogeneous in terms of aetiology and clinico-pathologic features. With current treatments, only about 50% of HNSCC patients survive beyond 5-years. Therefore, there is the pressing need to dissect NHSCC heterogeneity to inform treatment choices. In particular, reliable biomarkers of predictive and prognostic value are eagerly needed. This review describes the current state of the art and bio-pathological meaning of glycosylation signatures associated with HNSCC and explores the possible role of tumour specific glycoproteins as potential biomarkers and attractive therapeutic targets. We have also compiled data relating to altered glycosylation and the nature of glycoproteins as tools for the identification of circulating tumour cells (CTCs) in the new era of liquid biopsy.
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Affiliation(s)
- Mohammad Rasheduzzaman
- Saliva and Liquid Biopsy Translational Laboratory, The School of Biomedical Sciences, Institute of Health and Biomedical Innovation, Queensland University of Technology, Kelvin Grove, QLD, Australia; Translational Research Institute, Woolloongabba, QLD, Australia
| | - Arutha Kulasinghe
- Saliva and Liquid Biopsy Translational Laboratory, The School of Biomedical Sciences, Institute of Health and Biomedical Innovation, Queensland University of Technology, Kelvin Grove, QLD, Australia; Translational Research Institute, Woolloongabba, QLD, Australia
| | - Riccardo Dolcetti
- Translational Research Institute, Woolloongabba, QLD, Australia.; The University of Queensland Diamantina Institute, 37 Kent Street Woolloongabba, QLD 4102, Australia
| | - Liz Kenny
- Department of Radiation Oncology, Cancer Care Services, Royal Brisbane and Women's Hospital, Joyce Tweddell Building, Herston, QLD, 4029, Australia
| | - Newell W Johnson
- Menzies Health Institute Queensland, Griffith University, Southport, Queensland, Australia; Faculty of Dentistry, Oral and Craniofacial Sciences, King's College, London, United Kingdom
| | - Daniel Kolarich
- Institute for Glycomics, Griffith University, Gold Coast, QLD, Australia; ARC Centre of Excellence for Nanoscale BioPhotonics, Griffith University, QLD, Australia.
| | - Chamindie Punyadeera
- Saliva and Liquid Biopsy Translational Laboratory, The School of Biomedical Sciences, Institute of Health and Biomedical Innovation, Queensland University of Technology, Kelvin Grove, QLD, Australia; Translational Research Institute, Woolloongabba, QLD, Australia..
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10
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Ju M, Qi A, Bi J, Zhao L, Jiang L, Zhang Q, Wei Q, Guan Q, Li X, Wang L, Wei M, Zhao L. A five-mRNA signature associated with post-translational modifications can better predict recurrence and survival in cervical cancer. J Cell Mol Med 2020; 24:6283-6297. [PMID: 32306508 PMCID: PMC7294153 DOI: 10.1111/jcmm.15270] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2019] [Revised: 02/04/2020] [Accepted: 03/27/2020] [Indexed: 12/24/2022] Open
Abstract
High mortality of patients with cervical cancer (CC) stresses the imperative of prognostic biomarkers for CC patients. Additionally, the vital status of post‐translational modifications (PTMs) in the progression of cancers has been reported by numerous researches. Therefore, the purpose of this research was to dig a prognostic signature correlated with PTMs for CC. We built a five‐mRNA (GALNTL6, ARSE, DPAGT1, GANAB and FURIN) prognostic signature associated with PTMs to predict both disease‐free survival (DFS) (hazard ratio [HR] = 3.967, 95% CI = 1.985‐7.927; P < .001) and overall survival (HR = 2.092, 95% CI = 1.138‐3.847; P = .018) for CC using data from The Cancer Genome Atlas database. Then, the robustness of the signature was validated using GSE44001 and the Human Protein Atlas (HPA) database. CIBERSORT algorithm analysis displayed that activated CD4 memory T cell was also an independent indicator for DFS (HR = 0.426, 95% CI = 0.186‐0.978; P = .044) which could add additional prognostic value to the signature. Collectively, the PTM‐related signature and activated CD4 memory T cell can provide new avenues for the prognostic predication of CC. These findings give further insights into effective treatment strategies for CC, providing opportunities for further experimental and clinical validations.
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Affiliation(s)
- Mingyi Ju
- Department of Pharmacology, School of Pharmacy, China Medical University, Shenyang City, Liaoning, China.,Liaoning Key Laboratory of Molecular Targeted Anti-Tumor Drug Development and Evaluation, China Medical University, Shenyang City, Liaoning, China
| | - Aoshuang Qi
- Department of Pharmacology, School of Pharmacy, China Medical University, Shenyang City, Liaoning, China.,Liaoning Key Laboratory of Molecular Targeted Anti-Tumor Drug Development and Evaluation, China Medical University, Shenyang City, Liaoning, China
| | - Jia Bi
- Department of Pharmacology, School of Pharmacy, China Medical University, Shenyang City, Liaoning, China.,Liaoning Key Laboratory of Molecular Targeted Anti-Tumor Drug Development and Evaluation, China Medical University, Shenyang City, Liaoning, China
| | - Lan Zhao
- Department of Pharmacology, School of Pharmacy, China Medical University, Shenyang City, Liaoning, China.,Liaoning Key Laboratory of Molecular Targeted Anti-Tumor Drug Development and Evaluation, China Medical University, Shenyang City, Liaoning, China
| | - Longyang Jiang
- Department of Pharmacology, School of Pharmacy, China Medical University, Shenyang City, Liaoning, China.,Liaoning Key Laboratory of Molecular Targeted Anti-Tumor Drug Development and Evaluation, China Medical University, Shenyang City, Liaoning, China
| | - Qiang Zhang
- Department of Pharmacology, School of Pharmacy, China Medical University, Shenyang City, Liaoning, China.,Liaoning Key Laboratory of Molecular Targeted Anti-Tumor Drug Development and Evaluation, China Medical University, Shenyang City, Liaoning, China
| | - Qian Wei
- Department of Pharmacology, School of Pharmacy, China Medical University, Shenyang City, Liaoning, China.,Liaoning Key Laboratory of Molecular Targeted Anti-Tumor Drug Development and Evaluation, China Medical University, Shenyang City, Liaoning, China
| | - Qiutong Guan
- Department of Pharmacology, School of Pharmacy, China Medical University, Shenyang City, Liaoning, China.,Liaoning Key Laboratory of Molecular Targeted Anti-Tumor Drug Development and Evaluation, China Medical University, Shenyang City, Liaoning, China
| | - Xueping Li
- Department of Pharmacology, School of Pharmacy, China Medical University, Shenyang City, Liaoning, China.,Liaoning Key Laboratory of Molecular Targeted Anti-Tumor Drug Development and Evaluation, China Medical University, Shenyang City, Liaoning, China
| | - Lin Wang
- Department of Pharmacology, School of Pharmacy, China Medical University, Shenyang City, Liaoning, China.,Liaoning Key Laboratory of Molecular Targeted Anti-Tumor Drug Development and Evaluation, China Medical University, Shenyang City, Liaoning, China
| | - Minjie Wei
- Department of Pharmacology, School of Pharmacy, China Medical University, Shenyang City, Liaoning, China.,Liaoning Key Laboratory of Molecular Targeted Anti-Tumor Drug Development and Evaluation, China Medical University, Shenyang City, Liaoning, China
| | - Lin Zhao
- Department of Pharmacology, School of Pharmacy, China Medical University, Shenyang City, Liaoning, China.,Liaoning Key Laboratory of Molecular Targeted Anti-Tumor Drug Development and Evaluation, China Medical University, Shenyang City, Liaoning, China
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11
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Li R, Xu T, Wang H, Wu N, Liu F, Jia X, Mi J, Lv J, Gao H. Dysregulation of the miR-325-3p/DPAGT1 axis supports HBV-positive HCC chemoresistance. Biochem Biophys Res Commun 2019; 519:358-365. [PMID: 31519321 DOI: 10.1016/j.bbrc.2019.08.116] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2019] [Accepted: 08/22/2019] [Indexed: 01/30/2023]
Abstract
BACKGROUND Chemotherapeutic resistance in hepatitis B virus (HBV)-positive hepatocellular carcinoma (HCC) patients is an unfortunate side effect of standard chemotherapy. This situation necessitates a better understanding of the molecular pathways underlying HBV + HCC chemoresistance in order to aid the development of novel chemotherapeutic targets. METHODS We generated two doxorubicin (DOX)-resistant HBV + HCC sublines HepG2.2.15 and Huh7-1.3. qRT-PCR was used to evaluate dysregulation in hexosamine pathway genes in chemosensitive and chemoresistant HBV + HCC cell lines in vitro. Western blots, luciferase reporter assays, and in vivo xenograft tumor studies were conducted to reveal the role of the miRNA-325-3p/DPAGT1 axis in HBV + HCC chemoresistance. RESULTS The hexosamine pathway gene dolichyl-phosphate N-acetylglucosamine phosphotransferase 1 (DPAGT1) was found to be upregulated in both DOX-resistant cell lines. Enhancing DPAGT1 activity significantly improved the survival of DOX-resistant cells. Silencing or pharmacological inhibition of DPAGT1 inhibited xenograft tumor growth under DOX-treated conditions. DPAGT1 upregulation was associated with higher levels of stemness-related markers and ATP-binding cassette (ABC) drug efflux transporters in DOX-resistant cell lines. miR-325-3p was found to negatively modulate DPAGT1 expression and phenocopied the effects of DPAGT1 silencing in vitro and in vivo. In HBV + HCC patients treated with transarterial chemoembolization (TACE), high and low levels of tumor DPAGT1 and miR-325-3p expression, respectively, were associated with a poor chemotherapeutic response. CONCLUSIONS Our findings provide novel insights into the role of miR-325-3p/DPAGT1 axis dysregulation in supporting HBV + HCC chemoresistance.
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Affiliation(s)
- Rui Li
- Department of Immunology, Anhui Key Laboratory of Infection and Immunity at Bengbu Medical College, Bengbu, Anhui, China
| | - Tao Xu
- Department of Laboratory Medicine, Bengbu Medical College, Bengbu, Anhui, China
| | - Hongtao Wang
- Department of Immunology, Anhui Key Laboratory of Infection and Immunity at Bengbu Medical College, Bengbu, Anhui, China
| | - Nan Wu
- Anhui Clinical and Preclinical Key Laboratory of Respiratory Disease, Department of Respiration, First Affiliated Hospital, Bengbu Medical College, China
| | - Fei Liu
- Anhui Clinical and Preclinical Key Laboratory of Respiratory Disease, Department of Respiration, First Affiliated Hospital, Bengbu Medical College, China
| | - Xianjie Jia
- Department of Epidemiology, School of Public Health, Bengbu Medical College, Bengbu, Anhui, China
| | - Jing Mi
- Department of Epidemiology, School of Public Health, Bengbu Medical College, Bengbu, Anhui, China
| | - Jingzhu Lv
- Department of Biochemistry and Molecular Biology, Bengbu Medical College, Bengbu, Anhui, China.
| | - Huaiquan Gao
- Department of Epidemiology, School of Public Health, Bengbu Medical College, Bengbu, Anhui, China.
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12
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Pedone E, Marucci L. Role of β-Catenin Activation Levels and Fluctuations in Controlling Cell Fate. Genes (Basel) 2019; 10:genes10020176. [PMID: 30823613 PMCID: PMC6410200 DOI: 10.3390/genes10020176] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2019] [Accepted: 02/18/2019] [Indexed: 12/12/2022] Open
Abstract
Cells have developed numerous adaptation mechanisms to external cues by controlling signaling-pathway activity, both qualitatively and quantitatively. The Wnt/β-catenin pathway is a highly conserved signaling pathway involved in many biological processes, including cell proliferation, differentiation, somatic cell reprogramming, development, and cancer. The activity of the Wnt/β-catenin pathway and the temporal dynamics of its effector β-catenin are tightly controlled by complex regulations. The latter encompass feedback loops within the pathway (e.g., a negative feedback loop involving Axin2, a β-catenin transcriptional target) and crosstalk interactions with other signaling pathways. Here, we provide a review shedding light on the coupling between Wnt/β-catenin activation levels and fluctuations across processes and cellular systems; in particular, we focus on development, in vitro pluripotency maintenance, and cancer. Possible mechanisms originating Wnt/β-catenin dynamic behaviors and consequently driving different cellular responses are also reviewed, and new avenues for future research are suggested.
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Affiliation(s)
- Elisa Pedone
- Department of Engineering Mathematics, University of Bristol, Bristol, BS8 1UB, UK.
- School of Cellular and Molecular Medicine, University of Bristol, Bristol, BS8 1TD, UK.
| | - Lucia Marucci
- Department of Engineering Mathematics, University of Bristol, Bristol, BS8 1UB, UK.
- School of Cellular and Molecular Medicine, University of Bristol, Bristol, BS8 1TD, UK.
- BrisSynBio, Bristol, BS8 1TQ, UK.
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13
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Banerjee A, Ahmed H, Yang P, Czinn SJ, Blanchard TG. Endoplasmic reticulum stress and IRE-1 signaling cause apoptosis in colon cancer cells in response to andrographolide treatment. Oncotarget 2018; 7:41432-41444. [PMID: 27166181 PMCID: PMC5173070 DOI: 10.18632/oncotarget.9180] [Citation(s) in RCA: 57] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2015] [Accepted: 04/23/2016] [Indexed: 12/13/2022] Open
Abstract
The plant metabolite andrographolide induces cell cycle arrest and apoptosis in cancer cells. The mechanism(s) by which andrographolide induces apoptosis however, have not been elucidated. The present study was performed to determine the molecular events that promote apoptosis in andrographolide treated cells using T84, HCT116 and COLO 205 colon cancer cell lines. Andrographolide was determined to limit colony formation and Ki67 expression, alter nuclear morphology, increase cytoplasmic histone-associated-DNA-fragments, and increase cleaved caspase-3 levels. Andrographolide also induced significantly higher expression of endoplasmic reticulum (ER) stress proteins GRP-78 and IRE-1 by 48 h but not PERK or ATF6. Apoptosis signaling molecules BAX, spliced XBP-1 and CHOP were also significantly increased. Moreover, chemical inhibition of ER stress or IRE-1 depletion with siRNA in andrographolide treated cells significantly limited expression of IRE-1 and CHOP as determined by immunofluorescence staining, real time PCR, or immunobloting. This was accompanied by a decreased BAX/Bcl-2 ratio. Andrographolide significantly promotes cancer cell death compared to normal cells. These data demonstrate that andrographolide associated ER stress contributes to apoptosis through the activation of a pro-apoptotic GRP-78/IRE-1/XBP-1/CHOP signaling pathway.
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Affiliation(s)
- Aditi Banerjee
- Department of Pediatrics, University of Maryland School of Medicine, Baltimore, Maryland, U.S.A
| | | | - Peixin Yang
- Department of Obstetrics, Gynecology, and Reproductive Sciences, University of Maryland School of Medicine, Baltimore, Maryland, U.S.A
| | - Steven J Czinn
- Department of Pediatrics, University of Maryland School of Medicine, Baltimore, Maryland, U.S.A
| | - Thomas G Blanchard
- Department of Pediatrics, University of Maryland School of Medicine, Baltimore, Maryland, U.S.A
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14
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Wills ES, te Morsche RHM, van Reeuwijk J, Horn N, Geomini I, van de Laarschot LFM, Mans DA, Ueffing M, Boldt K, Drenth JPH, Roepman R. Liver cyst gene knockout in cholangiocytes inhibits cilium formation and Wnt signaling. Hum Mol Genet 2017; 26:4190-4202. [DOI: 10.1093/hmg/ddx308] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2017] [Accepted: 07/26/2017] [Indexed: 01/07/2023] Open
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15
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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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16
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Vargas DA, Sun M, Sadykov K, Kukuruzinska MA, Zaman MH. The Integrated Role of Wnt/β-Catenin, N-Glycosylation, and E-Cadherin-Mediated Adhesion in Network Dynamics. PLoS Comput Biol 2016; 12:e1005007. [PMID: 27427963 PMCID: PMC4948889 DOI: 10.1371/journal.pcbi.1005007] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2015] [Accepted: 05/30/2016] [Indexed: 11/24/2022] Open
Abstract
The cellular network composed of the evolutionarily conserved metabolic pathways of protein N-glycosylation, Wnt/β-catenin signaling pathway, and E-cadherin-mediated cell-cell adhesion plays pivotal roles in determining the balance between cell proliferation and intercellular adhesion during development and in maintaining homeostasis in differentiated tissues. These pathways share a highly conserved regulatory molecule, β-catenin, which functions as both a structural component of E-cadherin junctions and as a co-transcriptional activator of the Wnt/β-catenin signaling pathway, whose target is the N-glycosylation-regulating gene, DPAGT1. Whereas these pathways have been studied independently, little is known about the dynamics of their interaction. Here we present the first numerical model of this network in MDCK cells. Since the network comprises a large number of molecules with varying cell context and time-dependent levels of expression, it can give rise to a wide range of plausible cellular states that are difficult to track. Using known kinetic parameters for individual reactions in the component pathways, we have developed a theoretical framework and gained new insights into cellular regulation of the network. Specifically, we developed a mathematical model to quantify the fold-change in concentration of any molecule included in the mathematical representation of the network in response to a simulated activation of the Wnt/ β-catenin pathway with Wnt3a under different conditions. We quantified the importance of protein N-glycosylation and synthesis of the DPAGT1 encoded enzyme, GPT, in determining the abundance of cytoplasmic β-catenin. We confirmed the role of axin in β-catenin degradation. Finally, our data suggest that cell-cell adhesion is insensitive to E-cadherin recycling in the cell. We validate the model by inhibiting β-catenin-mediated activation of DPAGT1 expression and predicting changes in cytoplasmic β-catenin concentration and stability of E-cadherin junctions in response to DPAGT1 inhibition. We show the impact of pathway dysregulation through measurements of cell migration in scratch-wound assays. Collectively, our results highlight the importance of numerical analyses of cellular networks dynamics to gain insights into physiological processes and potential design of therapeutic strategies to prevent epithelial cell invasion in cancer.
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Affiliation(s)
- Diego A Vargas
- Department of Biomedical Engineering, Boston University, Boston, Massachusetts, United States of America
| | - Meng Sun
- Department of Biomedical Engineering, Boston University, Boston, Massachusetts, United States of America
| | - Khikmet Sadykov
- Department of Molecular and Cell Biology, Boston University School of Dental Medicine, Boston, Massachusetts, United States of America
| | - Maria A Kukuruzinska
- Department of Molecular and Cell Biology, Boston University School of Dental Medicine, Boston, Massachusetts, United States of America
| | - Muhammad H Zaman
- Department of Biomedical Engineering, Boston University, Boston, Massachusetts, United States of America
- Howard Hughes Medical Institute, Boston University, Boston, Massachusetts, United States of America
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17
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Identification and characterization of transcriptional control region of the human beta 1,4-mannosyltransferase gene. Cytotechnology 2015; 69:417-434. [PMID: 26608959 DOI: 10.1007/s10616-015-9929-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2015] [Accepted: 11/02/2015] [Indexed: 10/22/2022] Open
Abstract
All asparagine-linked glycans (N-glycans) on the eukaryotic glycoproteins are primarily derived from dolichol-linked oligosaccharides (DLO), synthesized on the rough endoplasmic reticulum membrane. We have previously reported cloning and identification of the human gene, HMT-1, which encodes chitobiosyldiphosphodolichol beta-mannosyltransferase (β1,4-MT) involved in the early assembly of DLO. Considering that N-glycosylation is one of the most ubiquitous post-translational modifications for many eukaryotic proteins, the HMT-1 could be postulated as one of the housekeeping genes, but its transcriptional regulation remains to be investigated. Here we screened a 1 kb region upstream from HMT-1 open reading frame (ORF) for transcriptionally regulatory sequences by using chloramphenicol acetyl transferase (CAT) assay, and found that the region from -33 to -1 positions might act in HMT-1 transcription at basal level and that the region from -200 to -42 should regulate its transcription either positively or negatively. In addition, results with CAT assays suggested the possibility that two GATA-1 motifs and an Sp1 motif within a 200 bp region upstream from HMT-1 ORF might significantly upregulate HMT-1 transcription. On the contrary, the observations obtained from site-directed mutational analyses revealed that an NF-1/AP-2 overlapping motif located at -148 to -134 positions should serve as a strong silencer. The control of the HMT-1 transcription by these motifs resided within the 200 bp region could partially explain the variation of expression level among various human tissues, suggesting availability and importance of this region for regulatory role in HMT-1 expression.
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18
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Orthotopic non-metastatic and metastatic oral cancer mouse models. Oral Oncol 2015; 51:476-82. [PMID: 25682387 DOI: 10.1016/j.oraloncology.2015.01.012] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2014] [Revised: 01/22/2015] [Accepted: 01/25/2015] [Indexed: 01/05/2023]
Abstract
Oral cancer is characterized by high morbidity and mortality with a predisposition to metastasize to different tissues, including lung, liver, and bone. Despite progress in the understanding of mutational profiles and deregulated pathways in oral cancer, patient survival has not significantly improved over the past decades. Therefore, there is a need to establish in vivo models that recapitulate human oral cancer metastasis to evaluate therapeutic potential of novel drugs. Here we report orthotopic tongue cancer nude mouse models to study oral cancer growth and metastasis using human metastatic (UMSCC2) and non-metastatic (CAL27) cell lines, respectively. Transduction of these cell lines with lentivirus expressing red fluorescent protein (DsRed) followed by injection into tongues of immunodeficient mice generated orthotopic tongue tumors that could be monitored for growth and metastasis by fluorescence measurement with an in vivo Imaging System (IVIS 200). The growth rates of CAL27-DsRed induced tumors were higher than UMSCC2-DsRed tumors after day 15, while UMSCC2-DsRed tumors revealed metastasis beginning on day 21. Importantly, UMSCC2 tumors metastasized to a number of tissues including the submandibular gland, lung, kidney, liver, and bone. Further, immunohistochemical analyses of tongue tumors induced by CAL27 and UMSCC2 cells revealed elevated expression of components of protumorigenic pathways deregulated in human cancers, including Cyclin D1, PCNA, Ki-67, LSD1, LOXL2, MT-MMP1, DPAGT1, E-cadherin, OCT4A, and H3K4me1/2. These orthotopic mouse models are likely to be useful tools for gaining insights into the activity and mechanisms of novel oral cancer drug candidates.
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19
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Varelas X, Bouchie MP, Kukuruzinska MA. Protein N-glycosylation in oral cancer: dysregulated cellular networks among DPAGT1, E-cadherin adhesion and canonical Wnt signaling. Glycobiology 2014; 24:579-91. [PMID: 24742667 PMCID: PMC4038253 DOI: 10.1093/glycob/cwu031] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2013] [Revised: 03/17/2014] [Accepted: 04/11/2014] [Indexed: 12/17/2022] Open
Abstract
N-Linked glycosylation (N-glycosylation) of proteins has long been associated with oncogenesis, but not until recently have the molecular mechanisms underlying this relationship begun to be unraveled. Here, we review studies describing how dysregulation of the N-glycosylation-regulating gene, DPAGT1, drives oral cancer. DPAGT1 encodes the first and rate-limiting enzyme in the assembly of the lipid-linked oligosaccharide precursor in the endoplasmic reticulum and thus mediates N-glycosylation of many cancer-related proteins. DPAGT1 controls N-glycosylation of E-cadherin, the major epithelial cell-cell adhesion receptor and a tumor suppressor, thereby affecting intercellular adhesion and cytoskeletal dynamics. DPAGT1 also regulates and is regulated by Wnt/β-catenin signaling, impacting the balance between proliferation and adhesion in homeostatic tissues. Thus, aberrant induction of DPAGT1 promotes a positive feedback network with Wnt/β-catenin that represses E-cadherin-based adhesion and drives tumorigenic phenotypes. Further, modification of receptor tyrosine kinases (RTKs) with N-glycans is known to control their surface presentation via the galectin lattice, and thus increased DPAGT1 expression likely contributes to abnormal activation of RTKs in oral cancer. Collectively, these studies suggest that dysregulation of the DPAGT1/Wnt/E-cadherin network underlies the etiology and pathogenesis of oral cancer.
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Affiliation(s)
- Xaralabos Varelas
- Department of Biochemistry, Boston University School of Medicine, Boston, MA, USA
| | - Meghan P Bouchie
- Department of Molecular and Cell Biology, Boston University School of Dental Medicine, Boston, MA, USA
| | - Maria A Kukuruzinska
- Department of Molecular and Cell Biology, Boston University School of Dental Medicine, Boston, MA, USA
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20
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Liu G, Sengupta PK, Jamal B, Yang HY, Bouchie MP, Lindner V, Varelas X, Kukuruzinska MA. N-glycosylation induces the CTHRC1 protein and drives oral cancer cell migration. J Biol Chem 2013; 288:20217-27. [PMID: 23703614 DOI: 10.1074/jbc.m113.473785] [Citation(s) in RCA: 47] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
Oral squamous cell carcinoma (OSCC) is one of the most pernicious malignancies, but the mechanisms underlying its development and progression are poorly understood. One of the key pathways implicated in OSCC is the canonical Wnt/β-catenin signaling pathway. Previously, we reported that canonical Wnt signaling functions in a positive feedback loop with the DPAGT1 gene, a principal regulator of the metabolic pathway of protein N-glycosylation, to hyperglycosylate E-cadherin and reduce intercellular adhesion. Here, we show that in OSCC, DPAGT1 and canonical Wnt signaling converge to up-regulate CTHRC1 (collagen triple helix repeat containing 1), an N-glycoprotein implicated in tumor invasion and metastasis. We found that in human OSCC specimens, amplification of the levels of CTHRC1 was associated with its hyperglycosylation. Partial inhibition of DPAGT1 expression in OSCC CAL27 cells reduced CTHRC1 abundance by increasing protein turnover, indicating that N-glycosylation stabilizes CTHRC1. Additionally, canonical Wnt signaling promoted β-catenin/T-cell factor transcriptional activity at the CTHRC1 promoter to further elevate CTHRC1 levels. We demonstrate that DPAGT1 promotes cell migration and drives the localization of CTHRC1 to cells at the leading edge of a wound front coincident with drastic changes in cell morphology. We propose that in OSCC, dysregulation of canonical Wnt signaling and DPAGT1-dependent N-glycosylation induces CTHRC1, thereby driving OSCC cell migration and tumor spread.
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Affiliation(s)
- Gangli Liu
- School of Stomatology, Shandong University, Shandong 250100, China
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