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An SY, Lee JW, Kim HD, Kim KS, Cho JH, Kim CH, Lee YC. Regulatory mechanism for the human glioblastoma cell-specific expression of the human GD1c/GT1a/GQ1b synthase (hST8Sia V) gene. Glycoconj J 2023; 40:621-630. [PMID: 37921922 DOI: 10.1007/s10719-023-10136-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2023] [Revised: 10/05/2023] [Accepted: 10/19/2023] [Indexed: 11/05/2023]
Abstract
In this study we observed that human GD1c/GT1a/GQ1b synthase (hST8Sia V) is particularly expressed in human glioblastoma cells. To address the mechanism regulating human glioblastoma-specific gene expression of the hST8Sia V, after the transcription start site (TSS) was identified by the 5'-rapid amplification of cDNA end with total RNA from human glioblastoma U87MG cells, the 5'-flanking region (2.5 kb) of the hST8Sia V gene was isolated and its promoter activity was examined. By luciferase reporter assay, this 5'-flanking region revealed strong promoter activity in only U-87MG cells, but not in other tissue-derived cancer cells. 5'-deletion mutant analysis showed that the region from -1140 to -494 is crucial for transcription of the hST8Sia V gene in U87MG cells. This region contains the activator protein-1 (AP-1) binding site, the main target of the c-Jun N-terminal kinase (JNK) downstream. The AP-1 binding site at -1043/-1037 was proved to be indispensable for the hST8Sia V gene-specific expression in U87MG cells by site-directed mutagenesis. Moreover, the transcriptional activation of hST8Sia V gene in U87MG cells was strongly inhibited by a specific JNK inhibitor, SP600125. These results suggest that the hST8Sia V gene-specific expression in U87MG cells is controlled by JNK/AP-1 signaling pathway.
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Affiliation(s)
- So-Young An
- Department of Medicinal Biotechnology, College of Health Sciences, Dong-A University, Busan, 49315, South Korea
| | - Ji-Won Lee
- Department of Medicinal Biotechnology, College of Health Sciences, Dong-A University, Busan, 49315, South Korea
| | - Hee-Do Kim
- Molecular and Cellular Glycobiology Unit, Department of Biological Sciences, SungKyunKwan University, Kyunggi-Do, 16419, South Korea
| | - Kyoung-Sook Kim
- Department of Medicinal Biotechnology, College of Health Sciences, Dong-A University, Busan, 49315, South Korea
| | - Jong-Hyun Cho
- Department of Medicinal Biotechnology, College of Health Sciences, Dong-A University, Busan, 49315, South Korea
| | - Cheorl-Ho Kim
- Molecular and Cellular Glycobiology Unit, Department of Biological Sciences, SungKyunKwan University, Kyunggi-Do, 16419, South Korea.
| | - Young-Choon Lee
- Department of Medicinal Biotechnology, College of Health Sciences, Dong-A University, Busan, 49315, South Korea.
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Glycosphingolipids in human embryonic stem cells and breast cancer stem cells, and potential cancer therapy strategies based on their structures and functions. Glycoconj J 2022; 39:177-195. [PMID: 35267131 DOI: 10.1007/s10719-021-10032-w] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2021] [Revised: 11/27/2021] [Accepted: 12/08/2021] [Indexed: 12/26/2022]
Abstract
Expression profiles of glycosphingolipids (GSLs) in human embryonic stem cell (hESC) lines and their differentiated embryoid body (EB) outgrowth cells, consisting of three germ layers, were surveyed systematically. Several globo- and lacto-series GSLs were identified in undifferentiated hESCs and during differentiation of hESCs to EB outgrowth cells, and core structure switching of these GSLs to gangliosides was observed. Such switching was attributable to altered expression of key glycosyltransferases (GTs) in GSL biosynthetic pathways, reflecting the unique stage-specific transitions and mechanisms characteristic of the differentiation process. Lineage-specific differentiation of hESCs was associated with further GSL alterations. During differentiation of undifferentiated hESCs to neural progenitor cells, core structure switching from globo- and lacto-series to primarily gangliosides (particularly GD3) was again observed. During differentiation to endodermal cells, alterations of GSL profiles were distinct from those in differentiation to EB outgrowth or neural progenitor cells, with high expression of Gb4Cer and low expression of stage-specific embryonic antigen (SSEA)-3, -4, or GD3 in endodermal cells. Again, such profile changes resulted from alterations of key GTs in GSL biosynthetic pathways. Novel glycan structures identified on hESCs and their differentiated counterparts presumably play functional roles in hESCs and related cancer or cancer stem cells, and will be useful as surface biomarkers. We also examined GSL expression profiles in breast cancer stem cells (CSCs), using a model of epithelial-mesenchymal transition (EMT)-induced human breast CSCs. We found that GD2 and GD3, together with their common upstream GTs, GD3 synthase (GD3S) and GD2/GM2 synthase, maintained stem cell phenotype in breast CSCs. Subsequent studies showed that GD3 was associated with epidermal growth factor receptor (EGFR), and activated EGFR signaling in breast CSCs and breast cancer cell lines. GD3S knockdown enhanced cytotoxicity of gefitinib (an EGFR kinase inhibitor) in resistant MDA-MB468 cells, both in vitro and in vivo. Our findings indicate that GD3S contributes to gefitinib resistance in EGFR-positive breast cancer cells, and is a potentially useful therapeutic target in drug-resistant breast cancers.
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The combination phenotype of B-cell specific Moloney murine leukaemia virus integration site 1 (BMI1) and CD44+/CD24−/low associates with poor clinicopathological features in African patients with breast cancer. GENE REPORTS 2022. [DOI: 10.1016/j.genrep.2021.101475] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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Harvey DJ. ANALYSIS OF CARBOHYDRATES AND GLYCOCONJUGATES BY MATRIX-ASSISTED LASER DESORPTION/IONIZATION MASS SPECTROMETRY: AN UPDATE FOR 2015-2016. MASS SPECTROMETRY REVIEWS 2021; 40:408-565. [PMID: 33725404 DOI: 10.1002/mas.21651] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/06/2020] [Accepted: 07/24/2020] [Indexed: 06/12/2023]
Abstract
This review is the ninth update of the original article published in 1999 on the application of matrix-assisted laser desorption/ionization (MALDI) mass spectrometry to the analysis of carbohydrates and glycoconjugates and brings coverage of the literature to the end of 2016. Also included are papers that describe methods appropriate to analysis by MALDI, such as sample preparation techniques, even though the ionization method is not MALDI. Topics covered in the first part of the review include general aspects such as theory of the MALDI process, matrices, derivatization, MALDI imaging, fragmentation and arrays. The second part of the review is devoted to applications to various structural types such as oligo- and poly-saccharides, glycoproteins, glycolipids, glycosides and biopharmaceuticals. Much of this material is presented in tabular form. The third part of the review covers medical and industrial applications of the technique, studies of enzyme reactions and applications to chemical synthesis. The reported work shows increasing use of combined new techniques such as ion mobility and the enormous impact that MALDI imaging is having. MALDI, although invented over 30 years ago is still an ideal technique for carbohydrate analysis and advancements in the technique and range of applications show no sign of deminishing. © 2020 Wiley Periodicals, Inc.
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Affiliation(s)
- David J Harvey
- Nuffield Department of Medicine, Target Discovery Institute, University of Oxford, Roosevelt Drive, Oxford, OX3 7FZ, United Kingdom
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Gyan E, Owiredu WKBA, Fondjo LA, Jackson AM, Green AR, Rahman GA. A review of the racial heterogeneity of breast cancer stem cells. Gene 2021; 796-797:145805. [PMID: 34197949 DOI: 10.1016/j.gene.2021.145805] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2021] [Revised: 06/05/2021] [Accepted: 06/24/2021] [Indexed: 10/21/2022]
Abstract
Breast Cancer Stem Cells has become the toast of many breast cancer investigators in the past two decades owing to their crucial roles in tumourigenesis, progression, differentiation, survival and chemoresistance. Despite the growing list of research data in this field, racial or ethnic comparison studies on these stem cells remain scanty. This study is a comparative racial analysis of putative breast cancer stem cells. Research articles on the clinicopathological significance of breast cancer stem cells within a period of 17 years (2003-2020) were reviewed across 5 major races (African/Black American, Asian, Caucasian/White, Hispanic/Latino, and American). The associations between the stem cells markers (CD44+/CD24-/low, BMI1, ALDH1, CD133, and GD2) and clinicopathological and clinical outcomes were analysed. A total of 40 studies were included in this study with 50% Asian, 25% Caucasian, 10% African, 5% American and 2.5% Hispanic/Latino, and 7.5% other mixed races. CD44+/CD24-/low has been associated with TNBC/Basal like phenotype across all races. It is generally associated with poor clinicopathological features such as age, tumour size, lymph node metastasis and lymphovascular invasion. In Asians, CD44+/CD24-/low was associated with DFS and OS but not in Caucasians. ALDH1 was the most studied breast CSC marker (40% of all studies on breast cancer stem cell markers) also associated with poor clinicopathological features including size, age, stage, lymph node metastasis and Nottingham Prognostic Index. ALDH1 was also associated with DFS and OS in Asians but not Caucasians. Racial variations exist in breast cancer stem cell pattern and functions but ill-defined due to multiple factors. Further research is required to better understand the role of breast CSC.
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Affiliation(s)
- Eric Gyan
- University of Nottingham, Division of Cancer and Stem Cells, School of Medical Sciences, Nottingham, UK; Kwame Nkrumah University of Science and Technology, Department of Molecular Medicine, School of Medical Sciences, Kumasi, Ghana; University of Health and Allied Sciences, Department of Pathology, School of Medicine, Ho, Ghana.
| | - William K B A Owiredu
- Kwame Nkrumah University of Science and Technology, Department of Molecular Medicine, School of Medical Sciences, Kumasi, Ghana
| | - Linda Ahenkorah Fondjo
- Kwame Nkrumah University of Science and Technology, Department of Molecular Medicine, School of Medical Sciences, Kumasi, Ghana
| | - Andrew M Jackson
- University of Nottingham, Division of Cancer and Stem Cells, School of Medical Sciences, Nottingham, UK
| | - Andrew R Green
- University of Nottingham, Division of Cancer and Stem Cells, School of Medical Sciences, Nottingham, UK
| | - Ganiyu A Rahman
- University of Cape Coast, School of Medical Sciences, Department of Surgery, Cape Coast, Ghana
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McDonald AG, Davey GP. Simulating the enzymes of ganglioside biosynthesis with Glycologue. Beilstein J Org Chem 2021; 17:739-748. [PMID: 33828618 PMCID: PMC8008095 DOI: 10.3762/bjoc.17.64] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2020] [Accepted: 03/12/2021] [Indexed: 02/03/2023] Open
Abstract
Gangliosides are an important class of sialylated glycosphingolipids linked to ceramide that are a component of the mammalian cell surface, especially those of the central nervous system, where they function in intercellular recognition and communication. We describe an in silico method for determining the metabolic pathways leading to the most common gangliosides, based on the known enzymes of their biosynthesis. A network of 41 glycolipids is produced by the actions of the 10 enzymes included in the model. The different ganglioside nomenclature systems in common use are compared and a systematic variant of the widely used Svennerholm nomenclature is described. Knockouts of specific enzyme activities are used to simulate congenital defects in ganglioside biosynthesis, and altered ganglioside status in cancer, and the effects on network structure are predicted. The simulator is available at the Glycologue website, https://glycologue.org/.
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Affiliation(s)
- Andrew G McDonald
- School of Biochemistry and Immunology, Trinity College Dublin, Dublin 2, Ireland
| | - Gavin P Davey
- School of Biochemistry and Immunology, Trinity College Dublin, Dublin 2, Ireland
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Danolic D, Heffer M, Wagner J, Skrlec I, Alvir I, Mamic I, Susnjar L, Banovic M, Danolić D, Puljiz M. Role of ganglioside biosynthesis genetic polymorphism in cervical cancer development. J OBSTET GYNAECOL 2020; 40:1127-1132. [PMID: 31847655 DOI: 10.1080/01443615.2019.1692801] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Cervical cancer is the most common gynaecological cancer in women. Cell mediated immunity plays a significant role in the progression or regression of neoplastic cervical lesions caused by human papilloma virus infection. Engagement of antigen-specific T cell receptors is a prerequisite for T cell activation. The initial events of T cell activation involve the movement of the T cell receptor into specialised microdomains known as lipid rafts. Gangliosides play an active role in the formation, stabilisation and biological functions of lipid rafts. This study aims to determine whether polymorphisms in the genes involved in the biosynthesis of gangliosides represent risk a factor for cervical cancer.Taqman methods for single nucleotide polymorphism genotyping was used. All subjects carried the homozygous wild-type genotypes for all analysed genes (CC for gene B4GALT5, AA for gene ST3GAL5, AA for gene ST8SIA1 and CC for gene B4GALNT1). A χ2 test showed significant differences in genotype failure for B4GALT5 rs138960078 (χ2 = 32.02, df = 1, p = .001) and genotype failure for B4GALNT1 rs144643461 (χ2 = 41.03, df = 1, p = .001) between cervical cancer group and control group. Genotype failures were significantly more frequent in the cervical cancer group. Unknown adjacent SNPs to rs138960078 in gene B4GALT5 and rs144643461 in gene B4GALNT1 could be associated with cervical cancer development.IMPACT STATEMENTWhat is already known on this subject? Individual genetic factors play an important role in the pathogenesis of disease. In recent years, the different SNPs and their potential effects on CC risk have been extensively studied. A large number of single nucleotide genetic variants associated with cervical cancer have been identified.What do the results of this study add? Our results suggest the presence of unknown adjacent SNPs to rs138960078 in gene B4GALT5 and rs144643461 in gene B4GALNT1 that could be associated with cervical cancer development.What are the implications of these findings for clinical practice and/or further research? Better understanding of causal-consequence relationship between ganglioside biosynthesis and TCR mediated activation with consequently cervical cancer development is needed. Our research opens a new possibilities for identification of polymorphisms in the genes involved in the biosynthesis of gangliosides which can be a risk factor for cervical cancer development.
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Affiliation(s)
- Damir Danolic
- Department of Gynaecologic Oncology, University Hospital for Tumors, Clinical Hospital Centre "Sestre Milosrdnice", Zagreb, Croatia
| | - Marija Heffer
- Department of Medical Biology and Genetics, Faculty of Medicine, University of Osijek, Osijek, Croatia
| | - Jasenka Wagner
- Department of Biology, Faculty of Dental Medicine and Health, J. J. Strossmayer University of Osijek, Osijek, Croatia
| | - Ivana Skrlec
- Department of Medical Biology and Genetics, Faculty of Medicine, University of Osijek, Osijek, Croatia
- Department of Biology, Faculty of Dental Medicine and Health, J. J. Strossmayer University of Osijek, Osijek, Croatia
| | - Ilija Alvir
- Department of Gynaecologic Oncology, University Hospital for Tumors, Clinical Hospital Centre "Sestre Milosrdnice", Zagreb, Croatia
| | - Ivica Mamic
- Department of Gynaecologic Oncology, University Hospital for Tumors, Clinical Hospital Centre "Sestre Milosrdnice", Zagreb, Croatia
| | - Lucija Susnjar
- Department of Gynaecologic Oncology, University Hospital for Tumors, Clinical Hospital Centre "Sestre Milosrdnice", Zagreb, Croatia
| | - Marija Banovic
- School of Medicine, University of Zagreb, Zagreb, Croatia
| | | | - Mario Puljiz
- Department of Gynaecologic Oncology, University Hospital for Tumors, Clinical Hospital Centre "Sestre Milosrdnice", Zagreb, Croatia
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Mansoori M, Roudi R, Abbasi A, Abolhasani M, Abdi Rad I, Shariftabrizi A, Madjd Z. High GD2 expression defines breast cancer cells with enhanced invasiveness. Exp Mol Pathol 2019; 109:25-35. [PMID: 31075227 DOI: 10.1016/j.yexmp.2019.05.001] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2018] [Revised: 02/08/2019] [Accepted: 05/02/2019] [Indexed: 01/16/2023]
Abstract
INTRODUCTION Breast cancer is the most frequently diagnosed cancer among women. Cancer stem cells (CSCs) are suggested to be responsible for tumor initiation, progression, metastasis, recurrence and drug resistance. This study was conducted to evaluate the clinical significance of GD2, a newly suggested CSC marker and two other traditional CSC markers, CD44 and CD24 in breast cancer patients. MATERIAL AND METHODS A total of 168 primary breast cancer tissues were evaluated in terms of GD2, CD44 and CD24 expression using tissue microarray. Then, the correlation of expression levels of these markers with patients' clinicopathological characteristics was assessed. RESULTS Higher GD2 expression was mainly found in patients with advanced histological grade (p = 0.02), presence of lymph node invasion (p = 0.04), larger size of tumors (p = 0.04) and older age (p = 0.04). Breast cancer samples with advanced histological grade also showed higher CD44 (p = 0.03) and CD24 expression (p = 0.05). A significant positive association was found between increased CD24 expression and lymph node involvement (p = 0.01). Furthermore, GD2-high/CD44-high/CD24-low phenotype was frequently seen in breast cancer samples with positive lymph node involvement (p = 0.05). CONCLUSION In summary, increased expression of GD2 may define more aggressive tumor behavior in breast cancer. GD2 can well be considered as a diagnostic and prognostic marker in breast cancer.
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Affiliation(s)
- Maryam Mansoori
- Oncopathology Research Center, Iran University of Medical Sciences, Tehran, Iran; Department of Molecular Medicine, Faculty of Advanced Technologies in Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Raheleh Roudi
- Oncopathology Research Center, Iran University of Medical Sciences, Tehran, Iran
| | - Ata Abbasi
- Department of Pathology, Faculty of Medicine, Urmia University of Medical Sciences, Urmia, Iran
| | - Maryam Abolhasani
- Oncopathology Research Center, Iran University of Medical Sciences, Tehran, Iran; Hasheminejad Kidney Center, Iran University of Medical Sciences, Tehran, Iran
| | - Isa Abdi Rad
- Cellular and Molecular Research Center, Urmia University of Medical Sciences, Urmia, Iran
| | - A Shariftabrizi
- Oncopathology Research Center, Iran University of Medical Sciences, Tehran, Iran; Department of Nuclear Oncology, Memorial Sloan Kettering Cancer Center, New York, USA.
| | - Zahra Madjd
- Oncopathology Research Center, Iran University of Medical Sciences, Tehran, Iran; Department of Molecular Medicine, Faculty of Advanced Technologies in Medicine, Iran University of Medical Sciences, Tehran, Iran.
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Liu J, Zheng X, Pang X, Li L, Wang J, Yang C, Du G. Ganglioside GD3 synthase (GD3S), a novel cancer drug target. Acta Pharm Sin B 2018; 8:713-720. [PMID: 30245960 PMCID: PMC6147802 DOI: 10.1016/j.apsb.2018.07.009] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2017] [Revised: 03/24/2018] [Accepted: 04/28/2018] [Indexed: 01/05/2023] Open
Abstract
Gangliosides are a class of important glycosphingolipids containing sialic acid that are widely distributed on the outer surface of cells and are abundantly distributed in brain tissue. Disialoganglioside with three glycosyl groups (GD3) and disialoganglioside with two glycosyl groups (GD2) are markedly increased in pathological conditions such as cancers and neurodegenerative diseases. GD3 and GD2 were found to play important roles in cancers by mediating cell proliferation, migration, invasion, adhesion, angiogenesis and in preventing immunosuppression of tumors. GD3 synthase (GD3S) is the regulatory enzyme of GD3 and GD2 synthesis, and is important in tumorigenesis and the development of cancers. The study of GD3S as a drug target may be of great significance for the discovery of new drugs for cancer treatment. This review will describe the gangliosides and their roles in physiological and pathological conditions; the roles of GD3 and GD2 in cancers; the expression, functions and mechanisms of GD3S, and its potential as a drug target in cancers.
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Affiliation(s)
- Jinyi Liu
- Ethnic Drug Screening & Pharmacology Center, Key Laboratory of Chemistry in Ethnic Medicinal Resources, State Ethnic Affairs Commission & Ministry of Education, Yunnan Minzu University, Kunming 650500, China
- Key Laboratory of Drug Target Research and Drug Screen, Institute of Materia Medica, Chinese Academy of Medical Science and Peking Union Medical College, Beijing 100050, China
| | - Xiangjin Zheng
- The State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Science and Peking Union Medical College, Beijing 100050, China
- Key Laboratory of Drug Target Research and Drug Screen, Institute of Materia Medica, Chinese Academy of Medical Science and Peking Union Medical College, Beijing 100050, China
| | - Xiaocong Pang
- Key Laboratory of Drug Target Research and Drug Screen, Institute of Materia Medica, Chinese Academy of Medical Science and Peking Union Medical College, Beijing 100050, China
| | - Li Li
- Key Laboratory of Drug Target Research and Drug Screen, Institute of Materia Medica, Chinese Academy of Medical Science and Peking Union Medical College, Beijing 100050, China
| | - Jinhua Wang
- The State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Science and Peking Union Medical College, Beijing 100050, China
- Key Laboratory of Drug Target Research and Drug Screen, Institute of Materia Medica, Chinese Academy of Medical Science and Peking Union Medical College, Beijing 100050, China
| | - Cui Yang
- Ethnic Drug Screening & Pharmacology Center, Key Laboratory of Chemistry in Ethnic Medicinal Resources, State Ethnic Affairs Commission & Ministry of Education, Yunnan Minzu University, Kunming 650500, China
| | - Guanhua Du
- The State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Science and Peking Union Medical College, Beijing 100050, China
- Key Laboratory of Drug Target Research and Drug Screen, Institute of Materia Medica, Chinese Academy of Medical Science and Peking Union Medical College, Beijing 100050, China
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Abstract
Cancer patients' quality of life is greatly dependent on the efficacy of treatments and their associated side effects, which can significantly reduce the overall quality of life. Although the effectiveness of cancer treatments has improved over time, adverse effects persist with each treatment. Some side effects, such as paclitaxel-induced peripheral neuropathy, can be dose limiting, thus further reducing the potential of paclitaxel chemotherapy treatment. Premature ovarian failure in young female patients due to radiation and chemotherapy therapy can have devastating infertility consequences. In recent years, a class of lipids known as sphingolipids has been identified as playing a role in the side effects of cancer therapies. Advanced analytical technologies, such as mass spectrometry, have provided great aid in detecting and distinguishing individual sphingolipids at low concentrations. Sphingolipids play an important role in cell proliferation and apoptosis and, importantly, sphingolipid metabolism has been shown to be dysregulated in cancer. The goal of this review is to summarize the latest findings of the role of sphingolipids in the injurious side effects in various cancer treatments. A better understanding of the molecular mechanisms driving these sphingolipid-induced side effects can help develop new drugs and treatments for cancer that have fewer side effects, thus improving treatment efficacy and quality of life.
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Affiliation(s)
- Falak Patel
- Department of Physiology, University of Kentucky, Lexington, KY, United States
| | - Stefka D Spassieva
- Department of Physiology, University of Kentucky, Lexington, KY, United States
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Liang YJ, Wang CY, Wang IA, Chen YW, Li LT, Lin CY, Ho MY, Chou TL, Wang YH, Chiou SP, Lin YJ, Yu J. Interaction of glycosphingolipids GD3 and GD2 with growth factor receptors maintains breast cancer stem cell phenotype. Oncotarget 2018; 8:47454-47473. [PMID: 28537895 PMCID: PMC5564578 DOI: 10.18632/oncotarget.17665] [Citation(s) in RCA: 40] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2017] [Accepted: 04/19/2017] [Indexed: 01/13/2023] Open
Abstract
Many studies have suggested that disialogangliosides, GD2 and GD3, are involved in the development of various tumor types. However, the functional relationships between ganglioside expression and cancer development or aggressiveness are not fully described. GD3 is upregulated in approximately half of all invasive ductal breast carcinoma cases, and enhanced expression of GD3 synthase (GD3S, alpha-N-acetylneuraminide alpha-2,8-sialyltransferase) in estrogen receptor-negative breast tumors, was shown to correlate with reduced overall patient survival. We previously found that GD2 and GD3, together with their common upstream glycosyltransferases, GD3S and GD2/GM2 synthase, maintain a stem cell phenotype in breast cancer stem cells (CSCs). In the current study, we demonstrate that GD3S alone can sustain CSC properties and also promote malignant cancer properties. Using MALDI-MS and flow cytometry, we found that breast cancer cell lines, of various subtypes with or without ectopic GD3S-expression, exhibited distinct GD2/GD3 expression profiles. Furthermore, we found that GD3 was associated with EGFR and activated EGFR signaling in both breast CSCs and breast cancer cell lines. In addition, GD3S knockdown enhanced cytotoxicity of the EGFR-inhibitor gefitinib in resistant MDA-MB468 cells, both in vitro and in vivo. Based on this evidence, we propose that GD3S contributes to gefitinib-resistance in EGFR-positive breast cancer cells and may be an effective therapeutic target in drug-resistant breast cancers.
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Affiliation(s)
- Yuh-Jin Liang
- Institute of Stem Cell and Translational Cancer Research, Chang Gung Memorial Hospital at Linkou, Taoyuan, Taiwan
| | - Chen-Yu Wang
- Department of Physiology and Pharmacology, College of Medicine, Chang Gung University, Taoyuan, Taiwan
| | - I-An Wang
- Institute of Stem Cell and Translational Cancer Research, Chang Gung Memorial Hospital at Linkou, Taoyuan, Taiwan
| | - Yi-Wen Chen
- Institute of Stem Cell and Translational Cancer Research, Chang Gung Memorial Hospital at Linkou, Taoyuan, Taiwan
| | - Li-Tzu Li
- Institute of Stem Cell and Translational Cancer Research, Chang Gung Memorial Hospital at Linkou, Taoyuan, Taiwan
| | - Chuang-Yu Lin
- Institute of Stem Cell and Translational Cancer Research, Chang Gung Memorial Hospital at Linkou, Taoyuan, Taiwan
| | - Ming-Yi Ho
- Institute of Stem Cell and Translational Cancer Research, Chang Gung Memorial Hospital at Linkou, Taoyuan, Taiwan
| | - Tsung-Lung Chou
- Institute of Stem Cell and Translational Cancer Research, Chang Gung Memorial Hospital at Linkou, Taoyuan, Taiwan
| | - Ya-Hui Wang
- Institute of Stem Cell and Translational Cancer Research, Chang Gung Memorial Hospital at Linkou, Taoyuan, Taiwan
| | - Shih-Pin Chiou
- Institute of Stem Cell and Translational Cancer Research, Chang Gung Memorial Hospital at Linkou, Taoyuan, Taiwan
| | - Yu-Ju Lin
- Institute of Stem Cell and Translational Cancer Research, Chang Gung Memorial Hospital at Linkou, Taoyuan, Taiwan
| | - John Yu
- Institute of Stem Cell and Translational Cancer Research, Chang Gung Memorial Hospital at Linkou, Taoyuan, Taiwan.,Institute of Cellular and Organismic Biology, Academia Sinica, Taipei, Taiwan
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12
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Pearce OMT. Cancer glycan epitopes: biosynthesis, structure and function. Glycobiology 2018; 28:670-696. [DOI: 10.1093/glycob/cwy023] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2017] [Accepted: 03/09/2018] [Indexed: 12/13/2022] Open
Affiliation(s)
- Oliver M T Pearce
- Centre for Cancer & Inflammation, Barts Cancer Institute, Queen Mary University of London, Charterhouse Square, London, UK
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13
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Targeting tumor-associated carbohydrate antigens: a phase I study of a carbohydrate mimetic-peptide vaccine in stage IV breast cancer subjects. Oncotarget 2017; 8:99161-99178. [PMID: 29228761 PMCID: PMC5716801 DOI: 10.18632/oncotarget.21959] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2017] [Accepted: 10/10/2017] [Indexed: 01/09/2023] Open
Abstract
Tumor-associated carbohydrate antigens (TACAs) support cell survival that could be interrupted by anti-TACA antibodies. Among TACAs that mediate cell survival signals are the neolactoseries antigen Lewis Y (LeY) and the ganglioside GD2. To induce sustained immunity against both LeY and GD2, we developed a carbohydrate mimicking peptide (CMP) as a surrogate pan-immunogen that mimics both. This CMP, referred to as P10s, is the N-terminal half of a peptide vaccine named P10s-PADRE, the C-terminal half of which (PADRE) is a Pan-T-cell epitope. A Phase I dose-escalation trial of P10s-PADRE plus adjuvant MONTANIDE™ ISA 51 VG was conducted in subjects with metastatic breast cancer to test 300 and 500 μg/injection in two cohorts of 3 subjects each. Doses of the P10s-PADRE vaccine were administered to research participants subcutaneously on weeks 1, 2, 3, 7 and 19. Antibody responses to P10s, GD2, and LeY were measured by ELISA. The P10s-PADRE vaccine induced antibodies specifically reactive with P10s, LeY and GD2 in all 6 subjects. Serum antibodies displayed Caspase-3-dependent apoptotic functionality against LeY or GD2 expressing breast cancer cell lines. Immunization with the P10s-PADRE vaccine was well-tolerated and induced functional antibodies, and the data suggest potential clinical benefit.
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Vantaku V, Donepudi SR, Ambati CR, Jin F, Putluri V, Nguyen K, Rajapakshe K, Coarfa C, Battula VL, Lotan Y, Putluri N. Expression of ganglioside GD2, reprogram the lipid metabolism and EMT phenotype in bladder cancer. Oncotarget 2017; 8:95620-95631. [PMID: 29221154 PMCID: PMC5707048 DOI: 10.18632/oncotarget.21038] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2017] [Accepted: 08/04/2017] [Indexed: 11/25/2022] Open
Abstract
High-grade Bladder Cancer (BLCA) represents the most aggressive and treatment-resistant cancer that renders the patients with poor survival. However, only a few biomarkers have been identified for the detection and treatment of BLCA. Recent studies show that ganglioside GD2 can be used as cancer biomarker and/or therapeutic target for various cancers. Despite its potential relevance in cancer diagnosis and therapeutics, the role of GD2 is unknown in BLCA. Here, we report for the first time that high-grade BLCA tissues and cell lines have higher expression of GD2 compared to low-grade by high-resolution Mass Spectrometry. The muscle invasive UMUC3 cell line showed high GD2, mesenchymal phenotype, and cell proliferation. Besides, we have shown the cancer stem cells (CSC) property (CD44hiCD24lo) of GD2+ UMUC3 and J82 cells. Also, the evaluation of lipid metabolism in GD2+ BLCA cell lines revealed higher levels of Phosphatidylinositol (PI), Phosphatidic acid (PA), Cardiolipin (CL) and lower levels of Phosphatidylserine (PS), plasmenyl-phosphatidylethanolamines (pPE), plasmenyl-phosphocholines (pPC), sphingomyelins (SM), triglycerides (TGs) and N-Acetylneuraminic acid. These findings are significantly correlated with the tissues of BLCA patients. Based on this evidence, we propose that GD2 may be used as an effective diagnostic and therapeutic target for aggressive BLCA.
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Affiliation(s)
- Venkatrao Vantaku
- Department of Molecular and Cell Biology, Baylor College of Medicine, Houston, TX, USA
| | - Sri Ramya Donepudi
- Dan L. Duncan Cancer Center, Advanced Technology Core, Alkek Center for Molecular Discovery, Baylor College of Medicine, Houston, TX, USA
| | - Chandrashekar R Ambati
- Dan L. Duncan Cancer Center, Advanced Technology Core, Alkek Center for Molecular Discovery, Baylor College of Medicine, Houston, TX, USA
| | - Feng Jin
- Dan L. Duncan Cancer Center, Advanced Technology Core, Alkek Center for Molecular Discovery, Baylor College of Medicine, Houston, TX, USA
| | - Vasanta Putluri
- Dan L. Duncan Cancer Center, Advanced Technology Core, Alkek Center for Molecular Discovery, Baylor College of Medicine, Houston, TX, USA
| | - Khoa Nguyen
- Section of Molecular Hematology and Therapy, Department of Leukemia, and Department of Breast Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Kimal Rajapakshe
- Department of Molecular and Cell Biology, Baylor College of Medicine, Houston, TX, USA
| | - Cristian Coarfa
- Department of Molecular and Cell Biology, Baylor College of Medicine, Houston, TX, USA.,Dan L. Duncan Cancer Center, Advanced Technology Core, Alkek Center for Molecular Discovery, Baylor College of Medicine, Houston, TX, USA
| | - Venkata Lokesh Battula
- Section of Molecular Hematology and Therapy, Department of Leukemia, and Department of Breast Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Yair Lotan
- Department of Urology, University of Texas Southwestern, Dallas, TX, USA
| | - Nagireddy Putluri
- Department of Molecular and Cell Biology, Baylor College of Medicine, Houston, TX, USA.,Dan L. Duncan Cancer Center, Advanced Technology Core, Alkek Center for Molecular Discovery, Baylor College of Medicine, Houston, TX, USA
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Groux-Degroote S, Guérardel Y, Delannoy P. Gangliosides: Structures, Biosynthesis, Analysis, and Roles in Cancer. Chembiochem 2017; 18:1146-1154. [PMID: 28295942 DOI: 10.1002/cbic.201600705] [Citation(s) in RCA: 92] [Impact Index Per Article: 13.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2016] [Indexed: 12/30/2022]
Abstract
Gangliosides are acidic glycosphingolipids containing one or more sialic acid residues. They are essential compounds at the outer leaflet of the plasma membrane, where they interact with phospholipids, cholesterol, and transmembrane proteins, forming lipid rafts. They are involved in cell adhesion, proliferation, and recognition processes, as well as in the modulation of signal transduction pathways. These functions are mainly governed by the glycan moiety, and changes in the structures of gangliosides occur under pathological conditions, particularly in neuro-ectoderm-derived cancers. With the progress in mass spectrometry analysis of gangliosides, their role in cancer progression can be now investigated in more detail. In this review we summarize the current knowledge on the biosynthesis of gangliosides and their role in cancers, together with the recent development of cancer immunotherapy targeting gangliosides.
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Affiliation(s)
- Sophie Groux-Degroote
- Université de Lille, CNRS, UMR 8576, UGSF-Unité de Glycobiologie Structurale et Fonctionnelle, 59000, Lille, France
| | - Yann Guérardel
- Université de Lille, CNRS, UMR 8576, UGSF-Unité de Glycobiologie Structurale et Fonctionnelle, 59000, Lille, France
| | - Philippe Delannoy
- Université de Lille, CNRS, UMR 8576, UGSF-Unité de Glycobiologie Structurale et Fonctionnelle, 59000, Lille, France
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Role of Cytokine-Induced Glycosylation Changes in Regulating Cell Interactions and Cell Signaling in Inflammatory Diseases and Cancer. Cells 2016; 5:cells5040043. [PMID: 27916834 PMCID: PMC5187527 DOI: 10.3390/cells5040043] [Citation(s) in RCA: 51] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2016] [Revised: 11/23/2016] [Accepted: 11/24/2016] [Indexed: 12/17/2022] Open
Abstract
Glycosylation is one of the most important modifications of proteins and lipids, and cell surface glycoconjugates are thought to play important roles in a variety of biological functions including cell-cell and cell-substrate interactions, bacterial adhesion, cell immunogenicity and cell signaling. Alterations of glycosylation are observed in number of diseases such as cancer and chronic inflammation. In that context, pro-inflammatory cytokines have been shown to modulate cell surface glycosylation by regulating the expression of glycosyltransferases involved in the biosynthesis of carbohydrate chains. These changes in cell surface glycosylation are also known to regulate cell signaling and could contribute to disease pathogenesis. This review summarizes our current knowledge of the glycosylation changes induced by pro-inflammatory cytokines, with a particular focus on cancer and cystic fibrosis, and their consequences on cell interactions and signaling.
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17
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Ma Y. Recent advances in nontoxicEscherichia coliheat-labile toxin and its derivative adjuvants. Expert Rev Vaccines 2016; 15:1361-1371. [DOI: 10.1080/14760584.2016.1182868] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
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