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Singh R, Choi BK. Siglec1-expressing subcapsular sinus macrophages provide soil for melanoma lymph node metastasis. eLife 2019; 8:e48916. [PMID: 31872800 PMCID: PMC6930078 DOI: 10.7554/elife.48916] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2019] [Accepted: 11/27/2019] [Indexed: 12/20/2022] Open
Abstract
Lymph nodes (LNs) are a common site of metastasis in solid cancers, and cutaneous melanomas show inherent properties of LN colonization. However, interactions between LN stroma and pioneer metastatic cells during metastatic colonization remain largely uncharacterized. Here we studied mice implanted with GFP-expressing melanoma cells to decipher early LN colonization events. We show that Siglec1-expressing subcapsular sinus (SCS) macrophages provide anchorage to pioneer metastatic cells. We performed in vitro co-culture to demonstrate that interactions between hypersialylated cancer cells and Siglec1 drive the proliferation of cancer cells. When comparing the transcriptome profile of Siglec1-interacting cancer cells against non-Siglec1-interacting cancer cells, we detected enrichment in positive regulators of cell cycle progression. Further, knockout of St3gal3 sialyltransferase compromised the metastatic efficiency of tumor cells by reducing α-2,3-linked sialylation. Thus, the interaction between Siglec1-expressing SCS macrophages and pioneer metastatic cells drives cell cycle progression and enables efficient metastatic colonization.
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Affiliation(s)
- Rohit Singh
- Division of Tumor ImmunologyNational Cancer CenterGoyangRepublic of Korea
| | - Beom K Choi
- Biomedicine Production BranchNational Cancer CenterGoyangRepublic of Korea
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52
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Kalaydina RV, Zhou H, Markvicheva E, Burov SV, Zulkernine F, Szewczuk MR. Impact of Fucosylation on Self-Assembly of Prostate and Breast Tumor Spheroids by Using Cyclo-RGDfK(TPP) Peptide and Image Object Detection. Onco Targets Ther 2019; 12:11153-11173. [PMID: 31908483 PMCID: PMC6927495 DOI: 10.2147/ott.s235811] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2019] [Accepted: 12/04/2019] [Indexed: 12/17/2022] Open
Abstract
Introduction Core fucosylation of N-glycans on the integrin β1 subunit is essential for the functional activity of the integrin. The binding of α5β1 integrin with the tripeptide Arg-Gly-Asp (RGD) motif within the extracellular matrix protein fibronectin may be influenced by the α-1,6-fucose core or α-1,2-fucose and α-1,3/4-fucose peripheral N-glycan profiles. Here, we investigated whether fucosylation impacts the formation of matrix-free 3D multicellular tumor spheroids (MCTS) from human triple negative breast MDA-MB231 cell line, prostate PC3 and DU145 cell lines and DU145 gemcitabine resistant (GemR) variant by using the cyclic Arg-Gly-Asp-D-Phe-Lys peptide modified with 4-carboxybutyl-triphenylphosphonium bromide (cyclo-RGDfK(TPP)) peptide method. Methods Microscopic imaging, lectin histochemistry, flow cytometry, WST-1 cell viability assay and You Only Look Once version 2 (YOLOv2) training object detection using cyclic learning rates were used to evaluate the formation of MCTS, morphologic changes, and the expression levels of α-1,6-fucose and α-1,2-fucose linkages on the cell surface. Results DU145 prostate cancer cells expressed higher α-1,6-fucose than α-1,2-fucose linkages on their cell surface, as determined by lectin cytochemistry and flow cytometry. Blockage of the α-1,6- and α-1,2-fucose linkages with Aspergillus oryzae lectin (AOL) and Ulex Europaeus agglutinin I (UEA I) one hour before the addition of cyclic-RGDfK(TPP) peptide to the monolayer of the cancer cells resulted in a statistically significant dose-dependent reduction in spheroid volumes using threshold diameters of 40 and 60 µm. Application of a 40 µm threshold diameter measurements of spheroids resulted in fewer false-positive ones compared to the 60 µm diameter threshold previously used in our studies. A state-of-the-art, image object detection system YOLOv2 was used to automate the analysis of spheroid measurements and volumes. The results showed that YOLOv2 corroborated manual spheroid detection and volume measurements with high precision and accuracy. Conclusion For the first time, the findings demonstrate that α-1,6- and α-1,2-fucose linkages of N-glycans on the cell surface receptors facilitate cyclo-RGDfK(TPP)-mediated self-assembly of cancer cells to form 3D multicellular tumor spheroids.
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Affiliation(s)
| | - Hedi Zhou
- Department of Biomedical & Molecular Sciences, Queen's University, Kingston, ON, Canada
| | - Elena Markvicheva
- Biomedical Materials Laboratory, Shemyakin-Ovchinnikov, Institute of Bioorganic Chemistry, Moscow, Russia
| | - Sergey V Burov
- Laboratory of Novel Peptide Therapeutics, Cytomed J.S.Co., St-Petersburg, Russia
| | | | - Myron R Szewczuk
- Department of Biomedical & Molecular Sciences, Queen's University, Kingston, ON, Canada
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53
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Qi F, Isaji T, Duan C, Yang J, Wang Y, Fukuda T, Gu J. ST3GAL3, ST3GAL4, and ST3GAL6 differ in their regulation of biological functions via the specificities for the α2,3-sialylation of target proteins. FASEB J 2019; 34:881-897. [PMID: 31914669 DOI: 10.1096/fj.201901793r] [Citation(s) in RCA: 37] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2019] [Revised: 09/23/2019] [Accepted: 09/30/2019] [Indexed: 12/14/2022]
Abstract
The α2,3-sialylation of N-glycans is considered important but complicated because the functions of the three β-galactoside α2,3-sialyltransferases, ST3GAL3, ST3GAL4, and ST3GAL6, could be compensating for one another. To distinguish their specific functions, we established each individual knockout (KO) cell line. Loss of either the ST3GAL3 or ST3GAL6 genes decreased cell proliferation and colony formation, as opposed to the effect in the ST3GAL4 KO cells. The phosphorylation levels of ERK and AKT were significantly suppressed in the ST3GAL6 KO and ST3GAL3 KO cells, respectively. The cell aggregations were clearly observed in the KO cells, particularly the ST3GAL3 KO and ST3GAL6 KO cells, and the expression levels of E-cadherin and claudin-1 were enhanced in both those cell lines, but were suppressed in the ST3GAL4 KO cells. Those alterations were reversed with an overexpression of each corresponding gene in rescued cells. Of particular interest, the α2,3-sialylation levels of β1 integrin were clearly suppressed in the ST3GAL4 KO cells, but these were increased in the ST3GAL3 KO and ST3GAL6 KO cells, whereas the α2,3-sialylation levels of EGFR were significantly decreased in the ST3GAL6 KO cells. The decrease in α2,3-sialylation increased the α2,6-sialylation on β1, but not EGFR. Furthermore, a cross-restoration of each of the three genes in ST3GAL6 KO cells showed that overexpression of ST3GAL6 sufficiently rescued the total α2,3-sialylation levels, cell morphology, and α2,3-sialylation of EGFR, whereas the α2,3-sialylation levels of β1 were greatly enhanced by an overexpression of ST3GAL4. These results clearly demonstrate that the three α2,3-sialyltransferases modify characteristic target proteins and regulate cell biological functions in different ways.
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Affiliation(s)
- Feng Qi
- Division of Regulatory Glycobiology, Institute of Molecular Biomembrane and Glycobiology, Tohoku Medical and Pharmaceutical University, Sendai, Japan.,Department of Pharmacy, The Fourth Affiliated Hospital of Nantong University, Yancheng, China
| | - Tomoya Isaji
- Division of Regulatory Glycobiology, Institute of Molecular Biomembrane and Glycobiology, Tohoku Medical and Pharmaceutical University, Sendai, Japan
| | - Chengwei Duan
- Division of Regulatory Glycobiology, Institute of Molecular Biomembrane and Glycobiology, Tohoku Medical and Pharmaceutical University, Sendai, Japan
| | - Jie Yang
- Division of Regulatory Glycobiology, Institute of Molecular Biomembrane and Glycobiology, Tohoku Medical and Pharmaceutical University, Sendai, Japan
| | - Yuqin Wang
- Department of Pharmacology, Pharmacy College, Nantong University, Nantong, China
| | - Tomohiko Fukuda
- Division of Regulatory Glycobiology, Institute of Molecular Biomembrane and Glycobiology, Tohoku Medical and Pharmaceutical University, Sendai, Japan
| | - Jianguo Gu
- Division of Regulatory Glycobiology, Institute of Molecular Biomembrane and Glycobiology, Tohoku Medical and Pharmaceutical University, Sendai, Japan
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Koda Y, Terashima T, Ouchi M. Unnatural Oligoaminosaccharides with N-1,2-Glycosidic Bonds Prepared by Cationic Ring-Opening Polymerization of 2-Oxazoline-Based Heterobicyclic Sugar Monomers. ACS Macro Lett 2019; 8:1456-1460. [PMID: 35651175 DOI: 10.1021/acsmacrolett.9b00674] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Glycooligomers and glycopolymers (glycocompounds) play important roles in maintaining homeostasis in biological systems. Glycobiology is a burgeoning area in the elucidation of biological systems for which the molecular design of glycocompounds requires further diversification, including both natural and unnatural glycocompounds. Herein, we proposed a synthesis strategy based on the chain polymerization of deliberately designed sugar monomers. Unnatural oligoaminosaccharides comprising N-1,2-glycosidic bonds were synthesized without enzymes through the cationic ring-opening polymerization of 2-oxazoline-based heterobicyclic sugar monomers. To achieve this, a heterobicyclic monomer [Glc(MeOx)], comprising protected glucosamine (GlcN) and 2-methyl-2-oxazoline (MeOx) rings, was designed. This monomer was polymerized using a binary initiating system of tert-butyl iodide (t-BuI) and GaCl3 to afford oligo[Glc(MeOx)]. The resulting structure corresponded to the condensation product of GlcN with N-1,2-glycosidic bonds. After deprotection of oligo[Glc(MeOx)], the resulting oligoaminosaccharide had a secondary structure different to that of protected oligo[Glc(MeOx)]. Owing to the N-1,2-glycosidic bonds, the oligoaminosaccharide was not degraded by chitinase, which hydrolyzes the condensation product of GlcN with O-1,4-glycosidic bonds.
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Affiliation(s)
- Yuta Koda
- Department of Polymer Chemistry, Graduate School of Engineering, Kyoto University, Katsura, Nishikyo, Kyoto 615−8510, Japan
| | - Takaya Terashima
- Department of Polymer Chemistry, Graduate School of Engineering, Kyoto University, Katsura, Nishikyo, Kyoto 615−8510, Japan
| | - Makoto Ouchi
- Department of Polymer Chemistry, Graduate School of Engineering, Kyoto University, Katsura, Nishikyo, Kyoto 615−8510, Japan
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55
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Tan HL, Choo A. Opportunities for Antibody Discovery Using Human Pluripotent Stem Cells: Conservation of Oncofetal Targets. Int J Mol Sci 2019; 20:E5752. [PMID: 31731794 PMCID: PMC6888136 DOI: 10.3390/ijms20225752] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2019] [Revised: 11/12/2019] [Accepted: 11/13/2019] [Indexed: 02/07/2023] Open
Abstract
Pluripotent stem cells (PSCs) comprise both embryonic stem cells (ESCs) and induced pluripotent stem cells (iPSCs). The application of pluripotent stem cells is divided into four main areas, namely: (i) regenerative therapy, (ii) the study and understanding of developmental biology, (iii) drug screening and toxicology and (iv) disease modeling. In this review, we describe a new opportunity for PSCs, the discovery of new biomarkers and generating antibodies against these biomarkers. PSCs are good sources of immunogen for raising monoclonal antibodies (mAbs) because of the conservation of oncofetal antigens between PSCs and cancer cells. Hence mAbs generated using PSCs can potentially be applied in two different fields. First, these mAbs can be used in regenerative cell therapy to characterize the PSCs. In addition, the mAbs can be used to separate or eliminate contaminating or residual undifferentiated PSCs from the differentiated cell product. This step is critical as undifferentiated PSCs can form teratomas in vivo. The mAbs generated against PSCs can also be used in the field of oncology. Here, novel targets can be identified and the mAbs developed as targeted therapy to kill the cancer cells. Conversely, as new and novel oncofetal biomarkers are discovered on PSCs, cancer mAbs that are already approved by the FDA can be repurposed for regenerative medicine, thus expediting the route to the clinics.
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Affiliation(s)
- Heng Liang Tan
- Bioprocessing Technology Institute, Agency for Science, Technology and Research (A*STAR), Biopolis, Singapore 138668, Singapore;
| | - Andre Choo
- Bioprocessing Technology Institute, Agency for Science, Technology and Research (A*STAR), Biopolis, Singapore 138668, Singapore;
- Department of Biochemical Engineering, National University of Singapore, Singapore 117575, Singapore
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Expanding the Reaction Space of Linkage-Specific Sialic Acid Derivatization. Molecules 2019; 24:molecules24193617. [PMID: 31597281 PMCID: PMC6803949 DOI: 10.3390/molecules24193617] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2019] [Revised: 10/04/2019] [Accepted: 10/06/2019] [Indexed: 12/22/2022] Open
Abstract
The human glycome is characterized by a high degree of sialylation, affecting, amongst others, cell-cell interactions and protein half-life. An established method for the linkage isomer-specific characterization of N-glycan sialylation is based on the linkage-specific derivatization of sialylated glycoconjugates, inducing ethyl esterification of α2,6-linked sialic acids and lactonization of α2,3-linked sialic acids. While the carboxylic acid activator and nucleophile used in this reaction received extensive investigation, the role of the catalyst was never thoroughly explored. A frequently used catalyst for the linkage-specific esterification of sialic acids is 1-hydroxybenzotriazole (HOBt). Here, a systematic evaluation was performed of five HOBt alternatives in combination with 1-ethyl-3-(3-dimethylaminopropyl) carbodiimide (EDC) in ethanol for the linkage-specific derivatization of sialic acids. Derivatized glycans were analyzed by MALDI-TOF-MS and the catalyst performance was evaluated based on the completeness of the reactions and the linkage-specificity obtained. The use of both 6-Cl-HOBt and 6-CF3-HOBt resulted in high linkage-specificity and minimal byproduct formation, similar to the benchmark method using HOBt. Performing the reaction with these catalysts at neutral or acidic pH showed comparable efficiencies on both sialyllactose and complex-type N-glycans. The reported investigations resulted in an expansion of the reaction space for linkage-specific sialic acid derivatization.
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Abstract
Cancer has high incidence and it will continue to increase over the next decades. Detection and quantification of cancer-associated biomarkers is frequently carried out for diagnosis, prognosis and treatment monitoring at various disease stages. It is well-known that glycosylation profiles change significantly during oncogenesis. Aberrant glycans produced during tumorigenesis are, therefore, valuable molecules for detection and characterization of cancer, and for therapeutic design and monitoring. Although glycoproteomics has benefited from the development of analytical tools such as high performance liquid chromatography, two-dimensional gel and capillary electrophoresis and mass spectrometry, these approaches are not well suited for rapid point-of-care (POC) testing easily performed by medical staff. Lectins are biomolecules found in nature with specific affinities toward particular glycan structures and bind them thus forming a relatively strong complex. Because of this characteristic, lectins have been used in analytical techniques for the selective capture or separation of certain glycans in complex samples, namely, in lectin affinity chromatography, or to characterize glycosylation profiles in diverse clinical situations, using lectin microarrays. Lectin-based biosensors have been developed for the detection of specific aberrant and cancer-associated glycostructures to aid diagnosis, prognosis and treatment assessment of these patients. The attractive features of biosensors, such as portability and simple use make them highly suitable for POC testing. Recent developments in lectin biosensors, as well as their potential and pitfalls in cancer glycan biomarker detection, are presented in this chapter.
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Affiliation(s)
- M Luísa S Silva
- Centre of Chemical Research, Autonomous University of Hidalgo State, Pachuca, Hidalgo, México.
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58
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Scott DA, Drake RR. Glycosylation and its implications in breast cancer. Expert Rev Proteomics 2019; 16:665-680. [PMID: 31314995 PMCID: PMC6702063 DOI: 10.1080/14789450.2019.1645604] [Citation(s) in RCA: 54] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2019] [Accepted: 07/15/2019] [Indexed: 02/07/2023]
Abstract
Introduction: For decades, the role of glycans and glycoproteins in the progression of breast cancer and other cancers have been evaluated. Through extensive studies focused on elucidating the biological functions of glycosylation, researchers have been able to implicate alterations in these functions to tumor formation and metastasis. Areas covered: In this review, we summarize how changes in glycosylation are associated with tumorigenesis, with emphasis on breast cancers. An overview of the changes in N-linked and O-linked glycans associated with breast cancer tumors and biofluids are described. Recent advances in glycomics are emphasized in the context of continuing to decipher the glycosylation changes associated with breast cancer progression. Expert opinion: While changes in glycosylation have been studied in breast cancer for many years, the clinical relevance of these studies has been limited. This reflects the inherent biological and clinical heterogeneity of breast cancers. Glycomics analysis lags behind the advances in genomics and proteomics, but new approaches are emerging. A summary of known glycosylation changes associated with breast cancer is necessary to implement new findings in the context of clinical outcomes and therapeutic strategies. A better understanding of the dynamics of tumor and immune glycosylation is critical to improving emerging immunotherapeutic treatments.
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Affiliation(s)
- Danielle A Scott
- Department of Cell and Molecular Pharmacology and Experimental Therapeutics and MUSC, Proteomics Center, Medical University of South Carolina , Charleston , SC , USA
| | - Richard R Drake
- Department of Cell and Molecular Pharmacology and Experimental Therapeutics and MUSC, Proteomics Center, Medical University of South Carolina , Charleston , SC , USA
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Xiao H, Sun F, Suttapitugsakul S, Wu R. Global and site-specific analysis of protein glycosylation in complex biological systems with Mass Spectrometry. MASS SPECTROMETRY REVIEWS 2019; 38:356-379. [PMID: 30605224 PMCID: PMC6610820 DOI: 10.1002/mas.21586] [Citation(s) in RCA: 66] [Impact Index Per Article: 13.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/21/2018] [Accepted: 11/27/2018] [Indexed: 05/16/2023]
Abstract
Protein glycosylation is ubiquitous in biological systems and plays essential roles in many cellular events. Global and site-specific analysis of glycoproteins in complex biological samples can advance our understanding of glycoprotein functions and cellular activities. However, it is extraordinarily challenging because of the low abundance of many glycoproteins and the heterogeneity of glycan structures. The emergence of mass spectrometry (MS)-based proteomics has provided us an excellent opportunity to comprehensively study proteins and their modifications, including glycosylation. In this review, we first summarize major methods for glycopeptide/glycoprotein enrichment, followed by the chemical and enzymatic methods to generate a mass tag for glycosylation site identification. We next discuss the systematic and quantitative analysis of glycoprotein dynamics. Reversible protein glycosylation is dynamic, and systematic study of glycoprotein dynamics helps us gain insight into glycoprotein functions. The last part of this review focuses on the applications of MS-based proteomics to study glycoproteins in different biological systems, including yeasts, plants, mice, human cells, and clinical samples. Intact glycopeptide analysis is also included in this section. Because of the importance of glycoproteins in complex biological systems, the field of glycoproteomics will continue to grow in the next decade. Innovative and effective MS-based methods will exponentially advance glycoscience, and enable us to identify glycoproteins as effective biomarkers for disease detection and drug targets for disease treatment. © 2019 Wiley Periodicals, Inc. Mass Spec Rev 9999: XX-XX, 2019.
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Affiliation(s)
- Haopeng Xiao
- School of Chemistry and Biochemistry and the Petit Institute for Bioengineering and Bioscience, Georgia Institute of Technology, Atlanta 30332 Georgia
| | - Fangxu Sun
- School of Chemistry and Biochemistry and the Petit Institute for Bioengineering and Bioscience, Georgia Institute of Technology, Atlanta 30332 Georgia
| | - Suttipong Suttapitugsakul
- School of Chemistry and Biochemistry and the Petit Institute for Bioengineering and Bioscience, Georgia Institute of Technology, Atlanta 30332 Georgia
| | - Ronghu Wu
- School of Chemistry and Biochemistry and the Petit Institute for Bioengineering and Bioscience, Georgia Institute of Technology, Atlanta 30332 Georgia
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60
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Sun F, Wu R. Systematic and site-specific analysis of N-glycoproteins on the cell surface by integrating bioorthogonal chemistry and MS-based proteomics. Methods Enzymol 2019; 626:223-247. [PMID: 31606076 DOI: 10.1016/bs.mie.2019.06.022] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
Glycoproteins on the cell surface are essential for various cellular activities including cell-cell communication and cell-matrix interaction. Alterations of glycosylation are correlated with many diseases such as cancer and infectious diseases. However, it is greatly challenging to systematically and site-specially analyze glycoproteins only located on cell surface because of the heterogeneity of glycans, the low abundance of many surface glycoproteins and the requirement of effective methods to separate surface glycoproteins. In this chapter, we briefly review existing mass spectrometry (MS)-based methods for global analysis of surface glycoproteins. Then we discuss an effective method integrating metabolic labeling, click and enzymatic reactions, and MS-based proteomics to comprehensively and site-specifically investigate cell surface N-glycoproteins. A detailed protocol for this method is also included. In combination with quantitative proteomics, we applied this method to quantify cell surface N-glycoproteins and study the relationship between cell invasiveness and N-sialoglycoproteins on the cell surface. Considering the importance of surface glycoproteins, this method can be extensively applied to advance glycoscience, which leads to a better understanding of the molecular mechanisms of human diseases, and the discovery of surface glycoproteins as biomarkers for disease detection.
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Affiliation(s)
- Fangxu Sun
- School of Chemistry and Biochemistry and the Petit Institute for Bioengineering and Bioscience, Georgia Institute of Technology, Atlanta, GA, United States
| | - Ronghu Wu
- School of Chemistry and Biochemistry and the Petit Institute for Bioengineering and Bioscience, Georgia Institute of Technology, Atlanta, GA, United States.
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Zhou L, Zhang S, Zou X, Lu J, Yang X, Xu Z, Shan A, Jia W, Liu F, Yan X, Su H, Liang T, Zheng M, Zhang Y, Feng B. The β-galactoside α2,6-sialyltranferase 1 (ST6GAL1) inhibits the colorectal cancer metastasis by stabilizing intercellular adhesion molecule-1 via sialylation. Cancer Manag Res 2019; 11:6185-6199. [PMID: 31308754 PMCID: PMC6613604 DOI: 10.2147/cmar.s208631] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2019] [Accepted: 05/09/2019] [Indexed: 12/24/2022] Open
Abstract
Background: Colorectal cancer (CRC) is one of the most frequent malignancies of the digestive system. Elevated expression of β-galactoside α2,6-sialyltranferase 1 (ST6GAL1) has been observed in multiple cancers. But the mechanism of how ST6GAL1 might affect cancer cells remains to be clarified. Our previous study recognized intercellular adhesion molecule-1(ICAM-1) as a probable substrate of ST6GAL1 through mass spectrometry (MS) analysis. ICAM-1 is related to tumor metastasis in various cancers. Methods: First, ST6GAL1 was overexpressed and knocked down to perform transwell and wound healing assays, and the results were further confirmed in vivo. Based on the results of MS, GO and KEGG analysis were applied to reveal the connection between ST6GAL1 and ICAM-1. Immunoblot and tissue microarrays were administered to investigate the expression of ICAM-1 in different stages of CRC. Next, PCR, lectin precipitation and cycloheximide (CHX) were used to demonstrate the mechanism of ST6GAL1 on ICAM-1. Moreover, we investigated the sialylation on soluble ICAM in serum and its connection to tumor staging. Results: Overexpression of ST6GAL1 inhibited the migratory ability, while knockdown of ST6GAL1 cells had the reverse effect. Moreover, nude mice injected with ST6GAL1-knockdown cells harvested more liver metastases. Based on the GO and KEGG analysis, data from TCGA database showed a positive correlation between ST6GAL1 and ICAM-1. ICAM-1 also demonstrated a significant decrease in stage III/IV compared with stage I/II tumors. Our results revealed that ST6GAL1 could increase the stability of ICAM-1 through sialylation but had little influence on transcriptional level. Additionally, results of serum lectin precipitation revealed a correlation between the level of sialylation on soluble ICAM and CRC staging. Conclusion: This study illustrated that ST6GAL1 inhibited the metastatic ability of CRC by stabilizing ICAM-1 via sialylation and demonstrated a correlation between CRC staging and the sialylation on soluble ICAM-1 in serum.
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Affiliation(s)
- Leqi Zhou
- Department of General Surgery, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, People's Republic of China.,Shanghai Minimally Invasive Surgery Center, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, People's Republic of China
| | - Sen Zhang
- Department of General Surgery, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, People's Republic of China.,Shanghai Minimally Invasive Surgery Center, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, People's Republic of China
| | - Xia Zou
- Ministry of Education Key Laboratory of Systems Biomedicine, Shanghai Center for Systems Biomedicine (SCSB), Shanghai Jiao Tong University, Shanghai, People's Republic of China
| | - Jishun Lu
- Ministry of Education Key Laboratory of Systems Biomedicine, Shanghai Center for Systems Biomedicine (SCSB), Shanghai Jiao Tong University, Shanghai, People's Republic of China
| | - Xiao Yang
- Department of General Surgery, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, People's Republic of China.,Shanghai Minimally Invasive Surgery Center, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, People's Republic of China
| | - Zhijue Xu
- Ministry of Education Key Laboratory of Systems Biomedicine, Shanghai Center for Systems Biomedicine (SCSB), Shanghai Jiao Tong University, Shanghai, People's Republic of China
| | - Aidong Shan
- Ministry of Education Key Laboratory of Systems Biomedicine, Shanghai Center for Systems Biomedicine (SCSB), Shanghai Jiao Tong University, Shanghai, People's Republic of China
| | - Wenjuan Jia
- Ministry of Education Key Laboratory of Systems Biomedicine, Shanghai Center for Systems Biomedicine (SCSB), Shanghai Jiao Tong University, Shanghai, People's Republic of China
| | - Feng Liu
- Ministry of Education Key Laboratory of Systems Biomedicine, Shanghai Center for Systems Biomedicine (SCSB), Shanghai Jiao Tong University, Shanghai, People's Republic of China
| | - Xialin Yan
- Department of General Surgery, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, People's Republic of China.,Shanghai Minimally Invasive Surgery Center, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, People's Republic of China
| | - Hao Su
- Department of General Surgery, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, People's Republic of China.,Shanghai Minimally Invasive Surgery Center, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, People's Republic of China
| | - Tao Liang
- Ministry of Education Key Laboratory of Systems Biomedicine, Shanghai Center for Systems Biomedicine (SCSB), Shanghai Jiao Tong University, Shanghai, People's Republic of China
| | - Minhua Zheng
- Department of General Surgery, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, People's Republic of China.,Shanghai Minimally Invasive Surgery Center, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, People's Republic of China
| | - Yan Zhang
- Ministry of Education Key Laboratory of Systems Biomedicine, Shanghai Center for Systems Biomedicine (SCSB), Shanghai Jiao Tong University, Shanghai, People's Republic of China
| | - Bo Feng
- Department of General Surgery, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, People's Republic of China.,Shanghai Minimally Invasive Surgery Center, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, People's Republic of China
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Uprety T, Spurlin BB, Antony L, Sreenivasan C, Young A, Li F, Hildreth MB, Kaushik RS. Development and characterization of a stable bovine intestinal sub-epithelial myofibroblast cell line from ileum of a young calf. In Vitro Cell Dev Biol Anim 2019; 55:533-547. [PMID: 31183683 DOI: 10.1007/s11626-019-00365-0] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2018] [Accepted: 04/30/2019] [Indexed: 02/07/2023]
Abstract
Intestinal sub-epithelial myofibroblasts (ISEMFs) are mesenchymal cells that do not express cytokeratin but express α-smooth muscle actin and vimentin. Despite being cells with diverse functions, there is a paucity of knowledge about their origin and functions primarily due to the absence of a stable cell line. Although myofibroblast in vitro models for human, mouse, and pig are available, there is no ISEMF cell line available from young calves. We isolated and developed an ileal ISEMF cell line from a 2-d-old calf that expressed α-smooth muscle actin and vimentin but no cytokeratin indicating true myofibroblast cells. To overcome replicative senescence, we immortalized primary cells with SV40 large T antigen. We characterized and compared both primary and immortalized ileal ISEMF cells for surface glycan and Toll-like-receptor (TLR) expression by lectin-binding assay and real-time quantitative PCR (RT-qPCR) assay respectively. SV40 immortalization significantly decreased surface lectin binding for lectins GSL-I, PHA-L, ECL, Jacalin, Con-A, LCA, and LEL. Both cell types expressed TLRs 1-9 and showed no significant differences in TLR expression. Thus, these cells can be useful in vitro model to study ISEMF's origin, physiology, and functions.
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Affiliation(s)
- Tirth Uprety
- Department of Biology and Microbiology, South Dakota State University, Brookings, SD, 57007, USA
| | - Brionna B Spurlin
- Department of Biology and Microbiology, South Dakota State University, Brookings, SD, 57007, USA
| | - Linto Antony
- Department of Veterinary and Biomedical Sciences, South Dakota State University, Brookings, SD, 57007, USA
| | - Chithra Sreenivasan
- Department of Biology and Microbiology, South Dakota State University, Brookings, SD, 57007, USA
| | - Alan Young
- Department of Veterinary and Biomedical Sciences, South Dakota State University, Brookings, SD, 57007, USA
| | - Feng Li
- Department of Biology and Microbiology, South Dakota State University, Brookings, SD, 57007, USA
| | - Michael B Hildreth
- Department of Biology and Microbiology, South Dakota State University, Brookings, SD, 57007, USA
| | - Radhey S Kaushik
- Department of Biology and Microbiology, South Dakota State University, Brookings, SD, 57007, USA.
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Hsieh SL, Hsieh S, Lai PY, Wang JJ, Li CC, Wu CC. Carnosine Suppresses Human Colorectal Cell Migration and Intravasation by Regulating EMT and MMP Expression. THE AMERICAN JOURNAL OF CHINESE MEDICINE 2019; 47:477-494. [PMID: 30909731 DOI: 10.1142/s0192415x19500241] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
Carnosine is an endogenous dipeptide found in the vertebrate skeletal muscles that is usually obtained through the diet. To investigate the mechanism by which carnosine regulates the migration and intravasation of human colorectal cancer (CRC) cells, we used cultured HCT-116 cells as an experimental model in this study. We examined HCT-116 cell migratory and intravasive abilities and expression of epithelial-mesenchymal transition (EMT)-associated molecules and matrix metalloproteinases (MMPs) after carnosine treatment. The results showed that both migration and invasion were inhibited in cells treated with carnosine. We found significant decreases in Twist-1 protein levels and increases in E-cadherin protein levels in HCT-116 cells after carnosine exposure. Although plasminogen activator (uPA) and MMP-9 mRNA and protein levels were decreased, TIMP-1 mRNA and protein levels were increased. Furthermore, the cytosolic levels of phosphorylated I κ B (p-I κ B) and NF- κ B DNA-binding activity were reduced after carnosine treatment. These results indicate that carnosine inhibits the migration and intravasation of human CRC cells. The regulatory mechanism may occur by suppressing NF- κ B activity and modulating MMP and EMT-related gene expression in HCT-116 cells.
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Affiliation(s)
- Shu-Ling Hsieh
- * Department of Seafood Science, National Kaohsiung University of Science and Technology, Kaohsiung 81157, Taiwan
| | - ShuChen Hsieh
- † Department of Chemistry, National Sun Yat-Sen University, Kaohsiung 80424, Taiwan
| | - Po-Yu Lai
- * Department of Seafood Science, National Kaohsiung University of Science and Technology, Kaohsiung 81157, Taiwan
| | - Jyh-Jye Wang
- ‡ Department of Nutrition and Health Science, Fooyin University, Kaohsiung 83102, Taiwan
| | - Chien-Chun Li
- § Department of Nutrition, Chung Shan Medical University, Taichung 40201, Taiwan
| | - Chih-Chung Wu
- ¶ Department of Food and Nutrition, Providence University, Taichung 43301, Taiwan
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64
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Dědová T, Braicu EI, Sehouli J, Blanchard V. Sialic Acid Linkage Analysis Refines the Diagnosis of Ovarian Cancer. Front Oncol 2019; 9:261. [PMID: 31110965 PMCID: PMC6499200 DOI: 10.3389/fonc.2019.00261] [Citation(s) in RCA: 40] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2019] [Accepted: 03/22/2019] [Indexed: 01/19/2023] Open
Abstract
Epithelial ovarian cancer (EOC) is a rather rare but lethal disease that is usually diagnosed at an advanced stage; this is due to a lack of early diagnostic markers. At the time being, less than a quarter of patients are diagnosed when the tumor has not metastasized yet. In previous work, we demonstrated that antennarity, fucosylation, and sialylation increased in EOC patients and built a glycan-based score that was able to diagnose EOC better than CA125, the routine diagnostic marker, does. To date, little attention had been paid to the sialic acid linkages of N-glycans in the context of blood biomarker research. In this work, the sialic acid linkages of the serum glycome of ovarian cancer patients were investigated for the first time by MALDI-TOF-MS. To this end, we released N-glycans, derivatized sialic acids solely in a linkage-specific way and measured glycome profiles by MALDI-TOF mass spectrometry. A statistically significant decrease was observed between late stage patients and controls or early stage patients for high-mannose, hybrid-type, complex-type asialylated, bi, tri- and tetraantennary sialylated structures. A significant decrease of monosialylated monoantennary N-glycan structures was observed in early and late stage EOC when compared to healthy controls. Statistically significant increases were observed in early and late stage patients compared to controls for tri, tetraantennary fucosylated structures, afucosylated, and fucosylated triantennary structures taken as α-2,3-linked/α-2,6-linked sialic acid ratio. Moreover, all afucosylated and fucosylated structures taken as α-2,3-linked/α-2,6-linked sialic acid ratio and the α-2,3-linked/α-2,6-linked sialic acid ratio of all sialylated structures were increased significantly for early and late stage EOC patients when compared to healthy controls. Finally, ROC curves were built for the most significant glycan combinations and we were able to show that the serum glycome sialic acid ratio could enhance ovarian cancer diagnosis as sialic acid linkage modulations arise even in early stage ovarian cancer.
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Affiliation(s)
- Tereza Dědová
- Institute of Laboratory Medicine, Clinical Chemistry and Pathobiochemistry, Charité - Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany.,Department of Biology, Chemistry and Pharmacy, Freie Universität Berlin, Berlin, Germany
| | - Elena Iona Braicu
- Department of Gynecology, European Competence Center for Ovarian Cancer, Charité - Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany
| | - Jalid Sehouli
- Department of Gynecology, European Competence Center for Ovarian Cancer, Charité - Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany
| | - Véronique Blanchard
- Institute of Laboratory Medicine, Clinical Chemistry and Pathobiochemistry, Charité - Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany
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Reuven EM, Leviatan Ben-Arye S, Yu H, Duchi R, Perota A, Conchon S, Bachar Abramovitch S, Soulillou JP, Galli C, Chen X, Padler-Karavani V. Biomimetic Glyconanoparticle Vaccine for Cancer Immunotherapy. ACS NANO 2019; 13:2936-2947. [PMID: 30840433 PMCID: PMC6756924 DOI: 10.1021/acsnano.8b07241] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/11/2023]
Abstract
Cancer immunotherapy aims to harness the immune system to combat malignant processes. Transformed cells harbor diverse modifications that lead to formation of neoantigens, including aberrantly expressed cell surface carbohydrates. Targeting tumor-associated carbohydrate antigens (TACA) hold great potential for cancer immunotherapy. N-glycolylneuraminic acid (Neu5Gc) is a dietary non-human immunogenic carbohydrate that accumulates on human cancer cells, thereby generating neoantigens. In mice, passive immunotherapy with anti-Neu5Gc antibodies inhibits growth of Neu5Gc-positive tumors. Here, we designed an active cancer vaccine immunotherapy strategy to target Neu5Gc-positive tumors. We generated biomimetic glyconanoparticles using engineered αGal knockout porcine red blood cells to form nanoghosts (NGs) that either express (NGpos) or lack expression (NGneg) of Neu5Gc-glycoconjugates in their natural context. We demonstrated that optimized immunization of "human-like" Neu5Gc-deficient Cmah-/- mice with NGpos glyconanoparticles induce a strong, diverse and persistent anti-Neu5Gc IgG immune response. The resulting anti-Neu5Gc IgG antibodies were also detected within Neu5Gc-positive tumors and inhibited tumor growth in vivo. Using detailed glycan microarray analysis, we further demonstrate that the kinetics and quality of the immune responses influence the efficacy of the vaccine. These findings reinforce the potential of TACA neoantigens and the dietary non-human sialic acid Neu5Gc, in particular, as immunotherapy targets.
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Affiliation(s)
- Eliran Moshe Reuven
- Department of Cell Research and Immunology, Tel Aviv University, Tel Aviv, 69978, Israel
| | | | - Hai Yu
- Department of Chemistry, University of California-Davis, Davis, CA 95616, USA
| | - Roberto Duchi
- Avantea, Laboratory of Reproductive Technologies, Via Porcellasco 7/F, 26100 Cremona, Italy
| | - Andrea Perota
- Avantea, Laboratory of Reproductive Technologies, Via Porcellasco 7/F, 26100 Cremona, Italy
| | - Sophie Conchon
- Institut de Transplantation–Urologie–Néphrologie, INSERM Unité Mixte de Recherche 1064, Centre Hospitalo Universitaire de Nantes, Nantes 44000, France
| | | | - Jean-Paul Soulillou
- Institut de Transplantation–Urologie–Néphrologie, INSERM Unité Mixte de Recherche 1064, Centre Hospitalo Universitaire de Nantes, Nantes 44000, France
| | - Cesare Galli
- Avantea, Laboratory of Reproductive Technologies, Via Porcellasco 7/F, 26100 Cremona, Italy
- FondazioneAvantea Cremona, Italy
| | - Xi Chen
- Department of Chemistry, University of California-Davis, Davis, CA 95616, USA
| | - Vered Padler-Karavani
- Department of Cell Research and Immunology, Tel Aviv University, Tel Aviv, 69978, Israel
- Corresponding Author: Department of Cell Research & Immunology, The George S. Wise Faculty of Life Sciences, Tel Aviv University, Tel Aviv 69978 Israel. Tel: +972-3-640-6737. Fax: +972-3-642-2046.
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66
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Changes Due to Ageing in the Glycan Structure of Alpha-2-Macroglobulin and Its Reactivity with Ligands. Protein J 2019; 38:23-29. [PMID: 30564965 DOI: 10.1007/s10930-018-9806-6] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Abstract
Alpha-2-macroglobulin (α2M) is a molecule generally associated with inflammation, and chronic inflammation is associated with ageing and cancer. The degree of inflammation was recently proposed to be considered as a biomarker of biological ageing. In this study, glycans attached to α2M were analysed in a human population of different ages by lectin-based protein microarray. Higher reactivity of α2M with several lectins was detected in older individuals indicating an increased content of specific monosaccharides: α2,6 sialic acid, mannose and N-acetylglucosamine, and multiantennary complex type N-glycans. The increased glycosylation of α2M was accompanied by reduced binding of Zn ions and insulin-like growth factor-binding protein 2 (IGFBP-2). Glycosylation of α2M and its reactivity with IGFBP-2 is similarly affected by ageing and incidence of colon cancer, but the reactivity of α2M with Zn ions is differently affected, as the binding of Zn ions remains unaltered in patients with colon cancer compared to healthy middle-aged individuals. Thus, the binding of IGFBP-2 to α2M seems to be related to structural changes in the glycan moieties of α2M, whereas binding of Zn ions, most likely, is not.
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67
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Gal O, Auslander N, Fan Y, Meerzaman D. Predicting Complete Remission of Acute Myeloid Leukemia: Machine Learning Applied to Gene Expression. Cancer Inform 2019; 18:1176935119835544. [PMID: 30911218 PMCID: PMC6423478 DOI: 10.1177/1176935119835544] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2019] [Accepted: 01/29/2019] [Indexed: 11/17/2022] Open
Abstract
Machine learning (ML) is a useful tool for advancing our understanding of the patterns and significance of biomedical data. Given the growing trend on the application of ML techniques in precision medicine, here we present an ML technique which predicts the likelihood of complete remission (CR) in patients diagnosed with acute myeloid leukemia (AML). In this study, we explored the question of whether ML algorithms designed to analyze gene-expression patterns obtained through RNA sequencing (RNA-seq) can be used to accurately predict the likelihood of CR in pediatric AML patients who have received induction therapy. We employed tests of statistical significance to determine which genes were differentially expressed in the samples derived from patients who achieved CR after 2 courses of treatment and the samples taken from patients who did not benefit. We tuned classifier hyperparameters to optimize performance and used multiple methods to guide our feature selection as well as our assessment of algorithm performance. To identify the model which performed best within the context of this study, we plotted receiver operating characteristic (ROC) curves. Using the top 75 genes from the k-nearest neighbors algorithm (K-NN) model (K = 27) yielded the best area-under-the-curve (AUC) score that we obtained: 0.84. When we finally tested the previously unseen test data set, the top 50 genes yielded the best AUC = 0.81. Pathway enrichment analysis for these 50 genes showed that the guanosine diphosphate fucose (GDP-fucose) biosynthesis pathway is the most significant with an adjusted P value = .0092, which may suggest the vital role of N-glycosylation in AML.
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Affiliation(s)
- Ophir Gal
- Department of Computer Science, University of Maryland, College Park, MD, USA
| | - Noam Auslander
- Cancer Data Science Laboratory, Center for Cancer Research, National Cancer Institute, Bethesda, MD, USA.,Center for Bioinformatics and Computational Biology, Department of Computer Science, University of Maryland, College Park, MD, USA
| | - Yu Fan
- Center for Biomedical Informatics & Information Technology, National Cancer Institute, Rockville, MD, USA
| | - Daoud Meerzaman
- Center for Biomedical Informatics & Information Technology, National Cancer Institute, Rockville, MD, USA
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68
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Mathew MP, Donaldson JG. Glycosylation and glycan interactions can serve as extracellular machinery facilitating clathrin-independent endocytosis. Traffic 2019; 20:295-300. [PMID: 30706592 DOI: 10.1111/tra.12636] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2018] [Revised: 01/30/2019] [Accepted: 01/30/2019] [Indexed: 01/04/2023]
Abstract
In contrast to clathrin-mediated endocytosis (CME) which is well characterized and understood, little is known about the regulation and machinery underlying clathrin-independent endocytosis (CIE). There is also a wide variation in the requirements each individual CIE cargo has for its internalization. Recent studies have shown that CIE is affected by glycosylation and glycan interactions. We briefly review these studies and explore how these studies mesh with one another. We then discuss what this sensitivity to glycan interactions could indicate for the regulation of CIE. We address the spectrum of responses CIE has been shown to have with respect to changes in glycan interactions and attempt to reconcile disparate observations onto a shared conceptual landscape. We focus on the mechanisms by which cells can alter the glycan interactions at the plasma membrane and propose that glycosylation and glycan interactions could provide cells with a tool box with which cells can manipulate CIE. Altered glycosylation is often associated with a number of diseases and we discuss how under different disease settings, glycosylation-based modulation of CIE could play a role in disease progression.
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Affiliation(s)
- Mohit P Mathew
- Cell Biology and Physiology Center, National Heart, Lung and Blood Institute, National Institutes of Health, Bethesda, Maryland
| | - Julie G Donaldson
- Cell Biology and Physiology Center, National Heart, Lung and Blood Institute, National Institutes of Health, Bethesda, Maryland
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69
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Measurement of Neutral and Sialylated IgG N-Glycome at Asn-297 by CE-LIF to Assess Hypogalactosylation in Rheumatoid Arthritis. Methods Mol Biol 2019; 1972:77-93. [PMID: 30847785 DOI: 10.1007/978-1-4939-9213-3_6] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Modulations in immunoglobulin G (IgG) N-glycosylation have been observed in many human diseases including chronic inflammatory diseases such as rheumatoid arthritis and also cancer. In this chapter, we describe how to determine hypogalactosylation for clinical samples, namely the sample preparation of IgG N-glycans at Asn-297 as well as the measurement of neutral and sialylated N-glycans by capillary electrophoresis coupled with laser-induced fluorescence (CE-LIF).This semiautomated protocol describes the isolation polyclonal antibodies from serum, the separation of IgG-Fc glycopeptides from IgG antigen-binding fragment by pepsin digestion. Afterward, enzymatically released IgG-Fc N-glycans are cleaned up using a polyaromatic adsorbent resin followed by carbon purification. Sialic acids are then derivatized prior to glycan labeling. As a result, the agalactosylated N-glycan A2 does not co-migrate with sialylated N-glycans, which refines the measurement of hypogalactosylation by CE-LIF.
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70
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Borsig L. Selectins in cancer immunity. Glycobiology 2018; 28:648-655. [PMID: 29272415 DOI: 10.1093/glycob/cwx105] [Citation(s) in RCA: 92] [Impact Index Per Article: 15.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2017] [Accepted: 12/18/2017] [Indexed: 12/12/2022] Open
Abstract
Selectins are vascular adhesion molecules that mediate physiological responses such as inflammation, immunity and hemostasis. During cancer progression, selectins promote various steps enabling the interactions between tumor cells and the blood constituents, including platelets, endothelial cells and leukocytes. Selectins are carbohydrate-binding molecules that bind to sialylated, fucosylated glycan structures. The increased selectin ligand expression on tumor cells correlates with enhanced metastasis and poor prognosis for cancer patients. While, many studies focused on the role of selectin as a mediator of tumor cell adhesion and extravasation during metastasis, there is evidence for selectins to activate signaling cascade that regulates immune responses within a tumor microenvironment. L-Selectin binding induces activation of leukocytes, which can be further modulated by selectin-mediated interactions with platelets and endothelial cells. Selectin ligand on leukocytes, PSGL-1, triggers intracellular signaling in leukocytes that are induced through platelet's P-selectin or endothelial E-selectin binding. In this review, I summarize the evidence for selectin-induced immune modulation in cancer progression that represents a possible target for controlling tumor immunity.
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Affiliation(s)
- Lubor Borsig
- Institute of Physiology, University of Zurich and Zurich Center for Integrative Human Physiology, Winterthurerstrasse 190, Zurich, Switzerland
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71
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Peng W, Zhao J, Dong X, Banazadeh A, Huang Y, Hussien A, Mechref Y. Clinical application of quantitative glycomics. Expert Rev Proteomics 2018; 15:1007-1031. [PMID: 30380947 PMCID: PMC6647030 DOI: 10.1080/14789450.2018.1543594] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
INTRODUCTION Aberrant glycosylation has been associated with many diseases. Decades of research activities have reported many reliable glycan biomarkers of different diseases which enable effective disease diagnostics and prognostics. However, none of the glycan markers have been approved for clinical diagnosis. Thus, a review of these studies is needed to guide the successful clinical translation. Area covered: In this review, we describe and discuss advances in analytical methods enabling clinical glycan biomarker discovery, focusing only on studies of released glycans. This review also summarizes the different glycobiomarkers identified for cancers, Alzheimer's disease, diabetes, hepatitis B and C, and other diseases. Expert commentary: Along with the development of techniques in quantitative glycomics, more glycans or glycan patterns have been reported as better potential biomarkers of different diseases and proved to have greater diagnostic/diagnostic sensitivity and specificity than existing markers. However, to successfully apply glycan markers in clinical diagnosis, more studies and verifications on large biological cohorts need to be performed. In addition, faster and more efficient glycomic strategies need to be developed to shorten the turnaround time. Thus, glycan biomarkers have an immense chance to be used in clinical prognosis and diagnosis of many diseases in the near future.
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Affiliation(s)
- Wenjing Peng
- a Department of Chemistry and Biochemistry , Texas Tech University , Lubbock , TX , USA
| | - Jingfu Zhao
- a Department of Chemistry and Biochemistry , Texas Tech University , Lubbock , TX , USA
| | - Xue Dong
- a Department of Chemistry and Biochemistry , Texas Tech University , Lubbock , TX , USA
| | - Alireza Banazadeh
- a Department of Chemistry and Biochemistry , Texas Tech University , Lubbock , TX , USA
| | - Yifan Huang
- a Department of Chemistry and Biochemistry , Texas Tech University , Lubbock , TX , USA
| | - Ahmed Hussien
- a Department of Chemistry and Biochemistry , Texas Tech University , Lubbock , TX , USA.,b Department of Biotechnology , Institute of Graduate Studies and Research, University of Alexandria , Alexandria , Egypt
| | - Yehia Mechref
- a Department of Chemistry and Biochemistry , Texas Tech University , Lubbock , TX , USA
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72
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Yuan Q, Chen X, Han Y, Lei T, Wu Q, Yu X, Wang L, Fan Z, Wang S. Modification of α2,6-sialylation mediates the invasiveness and tumorigenicity of non-small cell lung cancer cells in vitro and in vivo via Notch1/Hes1/MMPs pathway. Int J Cancer 2018; 143:2319-2330. [PMID: 29981167 DOI: 10.1002/ijc.31737] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2017] [Revised: 06/01/2018] [Accepted: 06/13/2018] [Indexed: 12/15/2022]
Abstract
The alterations of sialylation on cell surface N-glycans due to overexpression of different sialyltransferases play a vital role in tumorigenesis and tumor progression. The β-galactoside α2-6-sialyltransferase 1 (ST6Gal-I) has been reported to be highly expressed in several cancers, including breast cancer, hepatocellular cancer and colon carcinoma. However, the roles and underlying mechanisms of ST6Gal-I in non-small cell lung cancer (NSCLC) still need to be elucidated. In this study, we determined that mRNA levels of ST3GAL1, ST6GALNAC3 and ST8SIA6 were remarkably reduced in lung cancer tissues and cells, whereas ST6GAL1 level significantly increased. The mRNA, protein and glycan levels of ST6Gal-I were higher in lung cancer tissues and cells. Moreover, down-regulation of ST6Gal-I decreased protein levels of Jagged1, DLL-1, Notch1, Hes1, Hey1, matrix-metalloproteinases (MMPs) and VEGF, and suppressed proliferation, migration and invasion capabilities of A549 and H1299 cells in vitro. In vivo, ST6Gal-I silencing suppressed tumorigenicity of NSCLC cells in athymic nude mice via the Notch1/Hes1/MMPs pathway. In addition, overexpression of Notch1 rescued the reduced growth and metastasis of A549 and H1299 cells resulted by ST6Gal-I silencing. Modification of α2,6-sialylation positively associates with lung cancer progression, thereby indicating that ST6Gal-I may mediate the invasiveness and tumorigenicity of NSCLC cells via the Notch1/Hes1/MMPs pathway both in vitro and in vivo. Thus, our results provide a novel therapeutic approach for blocking metastasis in lung cancer patients.
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Affiliation(s)
- Qingmin Yuan
- Department of Biochemistry and Molecular Biology, Institute of Glycobiology, Dalian Medical University, Dalian, Liaoning, China
| | - Xixi Chen
- Department of Biological Sciences, School of Life Science and Medicine, Dalian University of Technology, Panjin, Liaoning, China
| | - Yang Han
- Department of Biochemistry and Molecular Biology, Institute of Glycobiology, Dalian Medical University, Dalian, Liaoning, China
| | - Ting Lei
- Department of Thoracic Surgery, The Second Affiliated Hospital of Dalian Medical University, Dalian, China
| | - Qiang Wu
- Department of Thoracic Surgery, The Second Affiliated Hospital of Dalian Medical University, Dalian, China
| | - Xiao Yu
- Department of Pathology, Dalian Medical University, Dalian, Liaoning Province, China
| | - Liping Wang
- Department of Biological Sciences, School of Life Science and Medicine, Dalian University of Technology, Panjin, Liaoning, China
| | - Zhe Fan
- Department of Thoracic Surgery, The Second Affiliated Hospital of Dalian Medical University, Dalian, China
| | - Shujing Wang
- Department of Biochemistry and Molecular Biology, Institute of Glycobiology, Dalian Medical University, Dalian, Liaoning, China
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Kang H, Wu Q, Sun A, Liu X, Fan Y, Deng X. Cancer Cell Glycocalyx and Its Significance in Cancer Progression. Int J Mol Sci 2018; 19:ijms19092484. [PMID: 30135409 PMCID: PMC6163906 DOI: 10.3390/ijms19092484] [Citation(s) in RCA: 52] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2018] [Revised: 08/11/2018] [Accepted: 08/13/2018] [Indexed: 12/31/2022] Open
Abstract
Cancer is a malignant tumor that threatens the health of human beings, and has become the leading cause of death in urban and rural residents in China. The glycocalyx is a layer of multifunctional glycans that covers the surfaces of a variety of cells, including vascular endothelial cells, smooth muscle cells, stem cells, epithelial, osteocytes, as well as cancer cells. The glycosylation and syndecan of cancer cell glycocalyx are unique. However, heparan sulfate (HS), hyaluronic acid (HA), and syndecan are all closely associated with the processes of cancer progression, including cell migration and metastasis, tumor cell adhesion, tumorigenesis, and tumor growth. The possible underlying mechanisms may be the interruption of its barrier function, its radical role in growth factor storage, signaling, and mechanotransduction. In the later sections, we discuss glycocalyx targeting therapeutic approaches reported in animal and clinical experiments. The study concludes that cancer cells’ glycocalyx and its role in cancer progression are beginning to be known by more groups, and future studies should pay more attention to its mechanotransduction of interstitial flow-induced shear stress, seeking promising therapeutic targets with less toxicity but more specificity.
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Affiliation(s)
- Hongyan Kang
- Key Laboratory for Biomechanics and Mechanobiology of Ministry of Education, School of Biological Science and Medical Engineering, Beihang University, Beijing 100083, China.
- Beijing Advanced Innovation Centre for Biomedical Engineering, Beihang University, Beijing 102402, China.
| | - Qiuhong Wu
- Key Laboratory for Biomechanics and Mechanobiology of Ministry of Education, School of Biological Science and Medical Engineering, Beihang University, Beijing 100083, China.
- Beijing Advanced Innovation Centre for Biomedical Engineering, Beihang University, Beijing 102402, China.
| | - Anqiang Sun
- Key Laboratory for Biomechanics and Mechanobiology of Ministry of Education, School of Biological Science and Medical Engineering, Beihang University, Beijing 100083, China.
- Beijing Advanced Innovation Centre for Biomedical Engineering, Beihang University, Beijing 102402, China.
| | - Xiao Liu
- Key Laboratory for Biomechanics and Mechanobiology of Ministry of Education, School of Biological Science and Medical Engineering, Beihang University, Beijing 100083, China.
- Beijing Advanced Innovation Centre for Biomedical Engineering, Beihang University, Beijing 102402, China.
| | - Yubo Fan
- Key Laboratory for Biomechanics and Mechanobiology of Ministry of Education, School of Biological Science and Medical Engineering, Beihang University, Beijing 100083, China.
- Beijing Advanced Innovation Centre for Biomedical Engineering, Beihang University, Beijing 102402, China.
- National Research Center for Rehabilitation Technical Aids, Beijing 100176, China.
| | - Xiaoyan Deng
- Key Laboratory for Biomechanics and Mechanobiology of Ministry of Education, School of Biological Science and Medical Engineering, Beihang University, Beijing 100083, China.
- Beijing Advanced Innovation Centre for Biomedical Engineering, Beihang University, Beijing 102402, China.
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74
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Silva MLS. Lectin-based biosensors as analytical tools for clinical oncology. Cancer Lett 2018; 436:63-74. [PMID: 30125611 DOI: 10.1016/j.canlet.2018.08.005] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2018] [Revised: 08/07/2018] [Accepted: 08/08/2018] [Indexed: 12/17/2022]
Abstract
The review focus on the use of lectin-based biosensors in the oncology field, and ponders the potentialities of using these devices as analytical tools to monitor the levels of cancer glycobiomarkers in biological fluids, helping in the diagnosis, prognosis and treatment assessment. Several examples of lectin-based biosensors directed for cancer biomarkers are described and discussed, and their potential application in the clinic is considered, taking into account their analytical features, advantages and performance in sample analysis. Technical and practical aspects in the construction process, which are specific for lectin biosensors, are debated, as well as the requirements in sample collection and processing, and biosensor validation. Today's challenges for real implementation of these devices in the clinic are presented, along with the future trends in the field.
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Affiliation(s)
- M Luísa S Silva
- Centre of Chemical Research, Autonomous University of Hidalgo State, Carr. Pachuca-Tulancingo Km 4.5, 42076, Pachuca, Hidalgo, Mexico; LAQV/REQUIMTE, Department of Chemical Sciences, Faculty of Pharmacy of the University of Porto, Rua Jorge Viterbo Ferreira 228, 4050-313, Porto, Portugal.
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75
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Glycans and glycosaminoglycans in neurobiology: key regulators of neuronal cell function and fate. Biochem J 2018; 475:2511-2545. [PMID: 30115748 DOI: 10.1042/bcj20180283] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2018] [Revised: 07/14/2018] [Accepted: 07/18/2018] [Indexed: 12/16/2022]
Abstract
The aim of the present study was to examine the roles of l-fucose and the glycosaminoglycans (GAGs) keratan sulfate (KS) and chondroitin sulfate/dermatan sulfate (CS/DS) with selected functional molecules in neural tissues. Cell surface glycans and GAGs have evolved over millions of years to become cellular mediators which regulate fundamental aspects of cellular survival. The glycocalyx, which surrounds all cells, actuates responses to growth factors, cytokines and morphogens at the cellular boundary, silencing or activating downstream signaling pathways and gene expression. In this review, we have focused on interactions mediated by l-fucose, KS and CS/DS in the central and peripheral nervous systems. Fucose makes critical contributions in the area of molecular recognition and information transfer in the blood group substances, cytotoxic immunoglobulins, cell fate-mediated Notch-1 interactions, regulation of selectin-mediated neutrophil extravasation in innate immunity and CD-34-mediated new blood vessel development, and the targeting of neuroprogenitor cells to damaged neural tissue. Fucosylated glycoproteins regulate delivery of synaptic neurotransmitters and neural function. Neural KS proteoglycans (PGs) were examined in terms of cellular regulation and their interactive properties with neuroregulatory molecules. The paradoxical properties of CS/DS isomers decorating matrix and transmembrane PGs and the positive and negative regulatory cues they provide to neurons are also discussed.
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76
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Loureiro LR, Sousa DP, Ferreira D, Chai W, Lima L, Pereira C, Lopes CB, Correia VG, Silva LM, Li C, Santos LL, Ferreira JA, Barbas A, Palma AS, Novo C, Videira PA. Novel monoclonal antibody L2A5 specifically targeting sialyl-Tn and short glycans terminated by alpha-2-6 sialic acids. Sci Rep 2018; 8:12196. [PMID: 30111774 PMCID: PMC6093877 DOI: 10.1038/s41598-018-30421-w] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2018] [Accepted: 07/30/2018] [Indexed: 11/09/2022] Open
Abstract
Incomplete O-glycosylation is a feature associated with malignancy resulting in the expression of truncated glycans such as the sialyl-Tn (STn) antigen. Despite all the progress in the development of potential anti-cancer antibodies, their application is frequently hindered by low specificities and cross-reactivity. In this study, a novel anti-STn monoclonal antibody named L2A5 was developed by hybridoma technology. Flow cytometry analysis showed that L2A5 specifically binds to sialylated structures on the cell surface of STn-expressing breast and bladder cancer cell lines. Moreover, immunoblotting assays demonstrated reactivity to tumour-associated O-glycosylated proteins, such as MUC1. Tumour recognition was further observed using immunohistochemistry assays, which demonstrated a high sensitivity and specificity of L2A5 mAb towards cancer tissue, using bladder and colorectal cancer tissues. L2A5 staining was exclusively tumoural, with a remarkable reactivity in invasive and metastasis sites, not detectable by other anti-STn mAbs. Additionally, it stained 20% of cases of triple-negative breast cancers, suggesting application in diseases with unmet clinical needs. Finally, the fine specificity was assessed using glycan microarrays, demonstrating a highly specific binding of L2A5 to core STn antigens and additional ability to bind 2-6-linked sialyl core-1 probes. In conclusion, this study describes a novel anti-STn antibody with a unique binding specificity that can be applied for cancer diagnostic and future development of new antibody-based therapeutic applications.
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MESH Headings
- Animals
- Antibodies, Monoclonal/immunology
- Antibodies, Monoclonal/isolation & purification
- Antibodies, Monoclonal/metabolism
- Antibodies, Monoclonal/therapeutic use
- Antigens, Tumor-Associated, Carbohydrate/immunology
- Antigens, Tumor-Associated, Carbohydrate/physiology
- Breast Neoplasms/pathology
- Cell Line, Tumor
- Female
- Glycosylation
- Humans
- Hybridomas
- Mice
- Mice, Inbred BALB C
- Neoplasm Proteins/metabolism
- Polysaccharides/chemistry
- Polysaccharides/immunology
- Sialic Acids/metabolism
- Urinary Bladder Neoplasms/pathology
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Affiliation(s)
- Liliana R Loureiro
- UCIBIO-REQUIMTE, Department of Life Sciences, Faculty of Science and Technology, NOVA University of Lisbon, Lisbon, 2829, Portugal
- iBET, Instituto de Biologia Experimental e Tecnológica, Oeiras, 2780, Portugal
| | - Diana P Sousa
- UCIBIO-REQUIMTE, Department of Life Sciences, Faculty of Science and Technology, NOVA University of Lisbon, Lisbon, 2829, Portugal
| | - Dylan Ferreira
- Experimental Pathology and Therapeutics Group, IPO-Porto Research Center, Portuguese Institute of Oncology of Porto, Porto, 4200, Portugal
| | - Wengang Chai
- Glycosciences Laboratory - Department of Medicine, Imperial College London, London, W12 0NN, United Kingdom
| | - Luís Lima
- Experimental Pathology and Therapeutics Group, IPO-Porto Research Center, Portuguese Institute of Oncology of Porto, Porto, 4200, Portugal
- Glycobiology in Cancer, Institute of Molecular Pathology and Immunology of the University of Porto (IPATIMUP), Porto, 4200, Portugal
- Institute for Research and Innovation in Health (I3S), University of Porto, 4200, Porto, Portugal
| | - Carina Pereira
- CINTESIS - Center for Health Technology and Services Research, University of Porto, Porto, 4200, Portugal
- Molecular Oncology and Viral Pathology Group, IPO-Porto Research Center, Portuguese Oncology Institute of Porto, Porto, 4200, Portugal
| | - Carla B Lopes
- Joaquim Chaves Saúde, Anatomical Pathology Laboratory, Lisboa, 1170, Portugal
| | - Viviana G Correia
- UCIBIO-REQUIMTE, Department of Chemistry, Faculty of Science and Technology, NOVA University of Lisbon, Lisbon, 2829, Portugal
| | - Lisete M Silva
- Glycosciences Laboratory - Department of Medicine, Imperial College London, London, W12 0NN, United Kingdom
| | - Chunxia Li
- Key Laboratory of Marine Drugs of Ministry of Education, and Shandong Provincial Key Laboratory of Glycoscience and Glycoengineering, School of Medicine and Pharmacy, Ocean University of China, Qingdao, 266003, China
| | - Lúcio Lara Santos
- Experimental Pathology and Therapeutics Group, IPO-Porto Research Center, Portuguese Institute of Oncology of Porto, Porto, 4200, Portugal
- Institute of Biomedical Sciences Abel Salazar, University of Porto, Porto, 4050, Portugal
- Department of Surgical Oncology, Portuguese Institute of Oncology, Porto, 4200, Portugal
| | - José Alexandre Ferreira
- Experimental Pathology and Therapeutics Group, IPO-Porto Research Center, Portuguese Institute of Oncology of Porto, Porto, 4200, Portugal
- Institute for Research and Innovation in Health (I3S), University of Porto, 4200, Porto, Portugal
- Institute of Biomedical Sciences Abel Salazar, University of Porto, Porto, 4050, Portugal
- International Iberian Nanotechnology Laboratory (INL), Braga, 4715, Portugal
| | - Ana Barbas
- iBET, Instituto de Biologia Experimental e Tecnológica, Oeiras, 2780, Portugal
- Bayer Portugal, Carnaxide, 2790, Portugal
| | - Angelina S Palma
- Glycosciences Laboratory - Department of Medicine, Imperial College London, London, W12 0NN, United Kingdom
- UCIBIO-REQUIMTE, Department of Chemistry, Faculty of Science and Technology, NOVA University of Lisbon, Lisbon, 2829, Portugal
| | - Carlos Novo
- UCIBIO-REQUIMTE, Department of Life Sciences, Faculty of Science and Technology, NOVA University of Lisbon, Lisbon, 2829, Portugal.
- UEIPM, Institute of Hygiene and Tropical Medicine, NOVA University of Lisbon, Lisbon, 1349, Portugal.
| | - Paula A Videira
- UCIBIO-REQUIMTE, Department of Life Sciences, Faculty of Science and Technology, NOVA University of Lisbon, Lisbon, 2829, Portugal.
- CDG & Allies - Professionals and Patient Associations International Network (CDG & Allies - PPAIN), Caparica, 2829, Portugal.
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77
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Patel A, Tiwari S, Jha PK. Density functional theory based probe of the affinity interaction of saccharide ligands with extra-cellular sialic acid residues. J Biomol Struct Dyn 2018; 37:1545-1554. [PMID: 29624120 DOI: 10.1080/07391102.2018.1461690] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Changes in glycosylation pattern leads to malignant transformations among the cells. In combination with upregulated actions of sialyltransferases, it ultimately leads to differential expression of sialic acid (SA) at cell surface. Given its negative charge and localization to extracellular domain, SA has been exploited for the development of targeted theranostics using approaches, such as, cationization and appending recognition saccharides on carrier surface. In this study, we have performed quantum mechanical calculations based on density functional theory (DFT) to study the interaction of saccharides with extracellular SA. Gradient-corrected DFT with the three parameter function (B3) was utilized for the calculation of Lee-Yang-Parr (LYP) correlation function. Atomic charge, vibrational frequencies and energy of the optimized structures were calculated through B3LYP. Our calculations demonstrate a stronger galactose-sialic acid interaction at tumour-relevant low pH and hyperthermic condition. These results support the application of pH responsive delivery vehicles and targeted hyperthermic chemotherapy for eradicating solid tumour deposits. These studies, conducted a priori, can guide the formulation scientists over appropriate choice of ligands and their applications in the design of 'smart' theranostic tools.
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Key Words
- AChE, Acetylcholine Esterase
- ASDase, aspartate semialdehyde dehydrogenase
- B3LYP, Becke 3-Parameter Lee, Yang and Parr
- BACE1, Beta-secretase 1
- BSSE, basis set superposition error
- CK2, casein kinase 2
- CMAS, cytidine monophosphate N-acetylneuraminic acid synthase
- DFT, density functional theory
- EcPLA, Echis carinatus Phospholipase A
- FF, fukui function
- GSK3β, glycogen synthase kinase 3β
- Gal, galactose
- HLG, HOMO-LUMO gap
- HOMO, highest occupied molecular orbital
- LUMO, lowest unoccupied molecular orbital
- MEP, molecular electrostatic potential
- Man, mannose
- NBO, natural bond orbital
- NC, nanocarriers.
- PBA, phenylboronic acid
- SA, sialic acid
- cancer
- density functional theory
- hypersialylation
- recognition saccharides
- targeted theranostics
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Affiliation(s)
- Anjali Patel
- a Department of Physics, Faculty of Science , The Maharaja Sayajirao University of Baroda , Vadodara - 390 002 , India
| | - Sanjay Tiwari
- b Maliba Pharmacy College , UKA Tarsadia University, Gopal-Vidyanagar Campus , Surat , 394350 , India
| | - Prafulla K Jha
- a Department of Physics, Faculty of Science , The Maharaja Sayajirao University of Baroda , Vadodara - 390 002 , India
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78
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Mathew MP, Donaldson JG. Distinct cargo-specific response landscapes underpin the complex and nuanced role of galectin-glycan interactions in clathrin-independent endocytosis. J Biol Chem 2018; 293:7222-7237. [PMID: 29581232 DOI: 10.1074/jbc.ra118.001802] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2018] [Revised: 03/22/2018] [Indexed: 02/01/2023] Open
Abstract
Clathrin-independent endocytosis (CIE) is a form of endocytosis that lacks a defined cytoplasmic machinery. Here, we asked whether glycan interactions, acting from the outside, could be a part of that endocytic machinery. We show that the perturbation of global cellular patterns of protein glycosylation by modulation of metabolic flux affects CIE. Interestingly, these changes in glycosylation had cargo-specific effects. For example, in HeLa cells, GlcNAc treatment, which increases glycan branching, increased major histocompatibility complex class I (MHCI) internalization but inhibited CIE of the glycoprotein CD59 molecule (CD59). The effects of knocking down the expression of galectin 3, a carbohydrate-binding protein and an important player in galectin-glycan interactions, were also cargo-specific and stimulated CD59 uptake. By contrast, inhibition of all galectin-glycan interactions by lactose inhibited CIE of both MHCI and CD59. None of these treatments affected clathrin-mediated endocytosis, implying that glycosylation changes specifically affect CIE. We also found that the galectin lattice tailors membrane fluidity and cell spreading. Furthermore, changes in membrane dynamics mediated by the galectin lattice affected macropinocytosis, an altered form of CIE, in HT1080 cells. Our results suggest that glycans play an important and nuanced role in CIE, with each cargo being affected uniquely by alterations in galectin and glycan profiles and their interactions. We conclude that galectin-driven effects exist on a continuum from stimulatory to inhibitory, with distinct CIE cargo proteins having unique response landscapes and with different cell types starting at different positions on these conceptual landscapes.
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Affiliation(s)
- Mohit P Mathew
- Cell Biology and Physiology Center, NHLBI, National Institutes of Health, Bethesda, Maryland 20892.
| | - Julie G Donaldson
- Cell Biology and Physiology Center, NHLBI, National Institutes of Health, Bethesda, Maryland 20892
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79
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Hegde P, Rajakumar SB, Swamy BM, Inamdar SR. A mitogenic lectin from
Rhizoctonia bataticola
arrests growth, inhibits metastasis, and induces apoptosis in human colon epithelial cancer cells. J Cell Biochem 2018; 119:5632-5645. [DOI: 10.1002/jcb.26740] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2017] [Accepted: 01/25/2018] [Indexed: 12/29/2022]
Affiliation(s)
- Prajna Hegde
- Department of Studies in BiochemistryKarnatak UniversityDharwadKarnatakaIndia
| | | | - Bale M. Swamy
- Department of Studies in BiochemistryKarnatak UniversityDharwadKarnatakaIndia
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80
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Teixeira FCOB, Kozlowski EO, Micheli KVDA, Vilela-Silva ACES, Borsig L, Pavão MSG. Sulfated fucans and a sulfated galactan from sea urchins as potent inhibitors of selectin-dependent hematogenous metastasis. Glycobiology 2018. [DOI: 10.1093/glycob/cwy020] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Affiliation(s)
- Felipe C O B Teixeira
- Laboratório de Bioquímica e Biologia Celular de Glicoconjugados, Programa de Glicobiologia, Instituto de Bioquímica Médica Leopoldo de Meis and Hospital Universitário Clementino Fraga Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, CEP 21941-913, Brazil
| | - Eliene Oliveira Kozlowski
- Laboratório de Bioquímica e Biologia Celular de Glicoconjugados, Programa de Glicobiologia, Instituto de Bioquímica Médica Leopoldo de Meis and Hospital Universitário Clementino Fraga Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, CEP 21941-913, Brazil
| | - Kayene Vitória de A Micheli
- Laboratório de Bioquímica e Biologia Celular de Glicoconjugados, Programa de Glicobiologia, Instituto de Bioquímica Médica Leopoldo de Meis and Hospital Universitário Clementino Fraga Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, CEP 21941-913, Brazil
| | - Ana Cristina E S Vilela-Silva
- Laboratório de Atividade Biológica de Glicoconjugados, Programa de Glicobiologia, Instituto de Ciências Biomédicas and Hospital Universitário Clementino Fraga Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, CEP 21941913, Brazil
| | - Lubor Borsig
- Institute of Physiology, University of Zurich and Zurich Center for Integrative Human Physiology, Zurich 8057, Switzerland
| | - Mauro S G Pavão
- Laboratório de Bioquímica e Biologia Celular de Glicoconjugados, Programa de Glicobiologia, Instituto de Bioquímica Médica Leopoldo de Meis and Hospital Universitário Clementino Fraga Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, CEP 21941-913, Brazil
- Instituto de Pesquisas Biomédicas, Hospital Naval Marcílio Dias, Rio de Janeiro, CEP 20725-090, Brazil
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81
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Mahato K, Kumar A, Maurya PK, Chandra P. Shifting paradigm of cancer diagnoses in clinically relevant samples based on miniaturized electrochemical nanobiosensors and microfluidic devices. Biosens Bioelectron 2018; 100:411-428. [DOI: 10.1016/j.bios.2017.09.003] [Citation(s) in RCA: 64] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2017] [Revised: 09/03/2017] [Accepted: 09/03/2017] [Indexed: 02/08/2023]
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82
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Purohit S, Li T, Guan W, Song X, Song J, Tian Y, Li L, Sharma A, Dun B, Mysona D, Ghamande S, Rungruang B, Cummings RD, Wang PG, She JX. Multiplex glycan bead array for high throughput and high content analyses of glycan binding proteins. Nat Commun 2018; 9:258. [PMID: 29343722 PMCID: PMC5772357 DOI: 10.1038/s41467-017-02747-y] [Citation(s) in RCA: 52] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2017] [Accepted: 12/22/2017] [Indexed: 12/28/2022] Open
Abstract
Glycan-binding proteins (GBPs) play critical roles in diverse cellular functions such as cell adhesion, signal transduction and immune response. Studies of the interaction between GBPs and glycans have been hampered by the availability of high throughput and high-content technologies. Here we report multiplex glycan bead array (MGBA) that allows simultaneous analyses of 384 samples and up to 500 glycans in a single assay. The specificity, sensitivity and reproducibility of MGBA are evaluated using 39 plant lectins, 13 recombinant anti-glycan antibodies, and mammalian GBPs. We demonstrate the utility of this platform by the analyses of natural anti-glycan IgM and IgG antibodies in 961 human serum samples and the discovery of anti-glycan antibody biomarkers for ovarian cancer. Our data indicate that the MGBA platform is particularly suited for large population-based studies that require the analyses of large numbers of samples and glycans.
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Affiliation(s)
- Sharad Purohit
- Center for Biotechnology and Genomic Medicine, Medical College of Georgia, Augusta University, 1120 15th Street, Augusta, GA, 30912, USA
- Department of Obstetrics and Gynecology, Medical College of Georgia, Augusta University, 1120 15th Street, Augusta, GA, 30912, USA
- Department of Medical Laboratory, Imaging and Radiologic Sciences, College of Allied Health Sciences Augusta University, 1120 15th Street, Augusta, GA, 30912, USA
| | - Tiehai Li
- Department of Chemistry, Georgia State University, Atlanta, GA, 30303, USA
| | - Wanyi Guan
- Department of Chemistry, Georgia State University, Atlanta, GA, 30303, USA
| | - Xuezheng Song
- Department of Biochemistry, Emory University School of Medicine, Atlanta, GA, 30322, USA
| | - Jing Song
- Department of Chemistry, Georgia State University, Atlanta, GA, 30303, USA
| | - Yanna Tian
- Department of Obstetrics and Gynecology, Medical College of Georgia, Augusta University, 1120 15th Street, Augusta, GA, 30912, USA
| | - Lei Li
- Department of Chemistry, Georgia State University, Atlanta, GA, 30303, USA
| | - Ashok Sharma
- Center for Biotechnology and Genomic Medicine, Medical College of Georgia, Augusta University, 1120 15th Street, Augusta, GA, 30912, USA
| | - Boying Dun
- Center for Biotechnology and Genomic Medicine, Medical College of Georgia, Augusta University, 1120 15th Street, Augusta, GA, 30912, USA
- Department of Obstetrics and Gynecology, Medical College of Georgia, Augusta University, 1120 15th Street, Augusta, GA, 30912, USA
| | - David Mysona
- Center for Biotechnology and Genomic Medicine, Medical College of Georgia, Augusta University, 1120 15th Street, Augusta, GA, 30912, USA
| | - Sharad Ghamande
- Department of Obstetrics and Gynecology, Medical College of Georgia, Augusta University, 1120 15th Street, Augusta, GA, 30912, USA
| | - Bunja Rungruang
- Department of Obstetrics and Gynecology, Medical College of Georgia, Augusta University, 1120 15th Street, Augusta, GA, 30912, USA
| | - Richard D Cummings
- Department of Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, 02115, USA
| | - Peng George Wang
- Department of Chemistry, Georgia State University, Atlanta, GA, 30303, USA
| | - Jin-Xiong She
- Center for Biotechnology and Genomic Medicine, Medical College of Georgia, Augusta University, 1120 15th Street, Augusta, GA, 30912, USA.
- Department of Obstetrics and Gynecology, Medical College of Georgia, Augusta University, 1120 15th Street, Augusta, GA, 30912, USA.
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83
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Veillon L, Fakih C, Abou-El-Hassan H, Kobeissy F, Mechref Y. Glycosylation Changes in Brain Cancer. ACS Chem Neurosci 2018; 9:51-72. [PMID: 28982002 DOI: 10.1021/acschemneuro.7b00271] [Citation(s) in RCA: 88] [Impact Index Per Article: 14.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
Protein glycosylation is a posttranslational modification that affects more than half of all known proteins. Glycans covalently bound to biomolecules modulate their functions by both direct interactions, such as the recognition of glycan structures by binding partners, and indirect mechanisms that contribute to the control of protein conformation, stability, and turnover. The focus of this Review is the discussion of aberrant glycosylation related to brain cancer. Altered sialylation and fucosylation of N- and O-glycans play a role in the development and progression of brain cancer. Additionally, aberrant O-glycan expression has been implicated in brain cancer. This Review also addresses the clinical potential and applications of aberrant glycosylation for the detection and treatment of brain cancer. The viable roles glycans may play in the development of brain cancer therapeutics are addressed as well as cancer-glycoproteomics and personalized medicine. Glycoprotein alterations are considered as a hallmark of cancer while high expression in body fluids represents an opportunity for cancer assessment.
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Affiliation(s)
- Lucas Veillon
- Department
of Chemistry and Biochemistry, Texas Tech University, Lubbock Texas 79409, United States
| | - Christina Fakih
- Department
of Biochemistry and Molecular Genetics, Faculty of Medicine, American University of Beirut, Beirut, Lebanon
| | - Hadi Abou-El-Hassan
- Department
of Biochemistry and Molecular Genetics, Faculty of Medicine, American University of Beirut, Beirut, Lebanon
| | - Firas Kobeissy
- Department
of Biochemistry and Molecular Genetics, Faculty of Medicine, American University of Beirut, Beirut, Lebanon
| | - Yehia Mechref
- Department
of Chemistry and Biochemistry, Texas Tech University, Lubbock Texas 79409, United States
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84
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de Oliveira RM, Ornelas Ricart CA, Araujo Martins AM. Use of Mass Spectrometry to Screen Glycan Early Markers in Hepatocellular Carcinoma. Front Oncol 2018; 7:328. [PMID: 29379771 PMCID: PMC5775512 DOI: 10.3389/fonc.2017.00328] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2017] [Accepted: 12/21/2017] [Indexed: 12/13/2022] Open
Abstract
Association between altered glycosylation patterns and poor prognosis in cancer points glycans as potential specific tumor markers. Most proteins are glycosylated and functionally arranged on cell surface and extracellular matrix, mediating interactions and cellular signaling. Thereby, aberrant glycans may be considered a pathological phenotype at least as important as changes in protein expression for cancer and other complex diseases. As most serum glycoproteins have hepatic origin, liver disease phenotypes, such as hepatocellular carcinoma (HCC), may present altered glycan profile and display important modifications. One of the prominent obstacles in HCC is the diagnostic in advanced stages when patients have several liver dysfunctions, limiting treatment options and life expectancy. The characterization of glycomic profiles in pathological conditions by means of mass spectrometry (MS) may lead to the discovery of early diagnostic markers using non-invasive approaches. MS is a powerful analytical technique capable of elucidating many glycobiological issues and overcome limitations of the serological markers currently applied in clinical practice. Therefore, MS-based glycomics of tumor biomarkers is a promising tool to increase early detection and monitoring of disease.
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Affiliation(s)
- Raphaela Menezes de Oliveira
- Laboratory of Biochemistry and Protein Chemistry, Department of Cell Biology, Institute of Biological Sciences, University of Brasilia, Brasilia, Brazil
| | - Carlos Andre Ornelas Ricart
- Laboratory of Biochemistry and Protein Chemistry, Department of Cell Biology, Institute of Biological Sciences, University of Brasilia, Brasilia, Brazil
| | - Aline Maria Araujo Martins
- Laboratory of Biochemistry and Protein Chemistry, Department of Cell Biology, Institute of Biological Sciences, University of Brasilia, Brasilia, Brazil.,University Hospital Walter Cantídeo, Surgery Department, Federal University of Ceara, Fortaleza, Brazil
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85
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Lechanteur A, das Neves J, Sarmento B. The role of mucus in cell-based models used to screen mucosal drug delivery. Adv Drug Deliv Rev 2018; 124:50-63. [PMID: 28751201 DOI: 10.1016/j.addr.2017.07.019] [Citation(s) in RCA: 57] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2017] [Revised: 07/12/2017] [Accepted: 07/22/2017] [Indexed: 12/23/2022]
Abstract
The increasing interest in developing tools to predict drug absorption through mucosal surfaces is fostering the establishment of epithelial cell-based models. Cell-based in vitro techniques for drug permeability assessment are less laborious, cheaper and address the concerns of using laboratory animals. Simultaneously, in vitro barrier models that thoroughly simulate human epithelia or mucosae may provide useful data to speed up the entrance of new drugs and new drug products into the clinics. Nevertheless, standard cell-based in vitro models that intend to reproduce epithelial surfaces often discard the role of mucus in influencing drug permeation/absorption. Biomimetic models of mucosae in which mucus production has been considered may not be able to fully reproduce the amount and architecture of mucus, resulting in biased characterization of permeability/absorption. In these cases, artificial mucus may be used to supplement cell-based models but still proper identification and quantification are required. In this review, considerations regarding the relevance of mucus in the development of cell-based epithelial and mucosal models mimicking the gastro-intestinal tract, the cervico-vaginal tract and the respiratory tract, and the impact of mucus on the permeability mechanisms are addressed. From simple epithelial monolayers to more complex 3D structures, the impact of the presence of mucus for the extrapolation to the in vivo scenario is critically analyzed. Finally, an overview is provided on several techniques and methods to characterize the mucus layer over cell-based barriers, in order to intimately reproduce human mucosal layer and thereby, improve in vitro/in vivo correlation.
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86
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Hamilton BS, Wilson JD, Shumakovich MA, Fisher AC, Brooks JC, Pontes A, Naran R, Heiss C, Gao C, Kardish R, Heimburg-Molinaro J, Azadi P, Cummings RD, Merritt JH, DeLisa MP. A library of chemically defined human N-glycans synthesized from microbial oligosaccharide precursors. Sci Rep 2017; 7:15907. [PMID: 29162910 PMCID: PMC5698433 DOI: 10.1038/s41598-017-15891-8] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2017] [Accepted: 11/01/2017] [Indexed: 12/12/2022] Open
Abstract
Synthesis of homogenous glycans in quantitative yields represents a major bottleneck to the production of molecular tools for glycoscience, such as glycan microarrays, affinity resins, and reference standards. Here, we describe a combined biological/enzymatic synthesis that is capable of efficiently converting microbially-derived precursor oligosaccharides into structurally uniform human-type N-glycans. Unlike starting material obtained by chemical synthesis or direct isolation from natural sources, which can be time consuming and costly to generate, our approach involves precursors derived from renewable sources including wild-type Saccharomyces cerevisiae glycoproteins and lipid-linked oligosaccharides from glycoengineered Escherichia coli. Following deglycosylation of these biosynthetic precursors, the resulting microbial oligosaccharides are subjected to a greatly simplified purification scheme followed by structural remodeling using commercially available and recombinantly produced glycosyltransferases including key N-acetylglucosaminyltransferases (e.g., GnTI, GnTII, and GnTIV) involved in early remodeling of glycans in the mammalian glycosylation pathway. Using this approach, preparative quantities of hybrid and complex-type N-glycans including asymmetric multi-antennary structures were generated and subsequently used to develop a glycan microarray for high-throughput, fluorescence-based screening of glycan-binding proteins. Taken together, these results confirm our combined synthesis strategy as a new, user-friendly route for supplying chemically defined human glycans simply by combining biosynthetically-derived precursors with enzymatic remodeling.
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Affiliation(s)
- Brian S Hamilton
- Glycobia, Inc., 33 Thornwood Drive, Suite 104, Ithaca, New York, 14850, USA
| | - Joshua D Wilson
- Glycobia, Inc., 33 Thornwood Drive, Suite 104, Ithaca, New York, 14850, USA
| | | | - Adam C Fisher
- Glycobia, Inc., 33 Thornwood Drive, Suite 104, Ithaca, New York, 14850, USA
| | - James C Brooks
- Glycobia, Inc., 33 Thornwood Drive, Suite 104, Ithaca, New York, 14850, USA
| | - Alyssa Pontes
- Glycobia, Inc., 33 Thornwood Drive, Suite 104, Ithaca, New York, 14850, USA
| | - Radnaa Naran
- Complex Carbohydrate Research Center, The University of Georgia, 315 Riverbend Road, Athens, GA, 30602, USA
| | - Christian Heiss
- Complex Carbohydrate Research Center, The University of Georgia, 315 Riverbend Road, Athens, GA, 30602, USA
| | - Chao Gao
- Department of Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts, USA
| | - Robert Kardish
- Department of Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts, USA
| | - Jamie Heimburg-Molinaro
- Department of Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts, USA
| | - Parastoo Azadi
- Complex Carbohydrate Research Center, The University of Georgia, 315 Riverbend Road, Athens, GA, 30602, USA
| | - Richard D Cummings
- Department of Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts, USA
| | - Judith H Merritt
- Glycobia, Inc., 33 Thornwood Drive, Suite 104, Ithaca, New York, 14850, USA
| | - Matthew P DeLisa
- School of Chemical and Biomolecular Engineering, Cornell University, Ithaca, New York, 14853, USA.
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87
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Ogawa T, Hirohashi Y, Murai A, Nishidate T, Okita K, Wang L, Ikehara Y, Satoyoshi T, Usui A, Kubo T, Nakastugawa M, Kanaseki T, Tsukahara T, Kutomi G, Furuhata T, Hirata K, Sato N, Mizuguchi T, Takemasa I, Torigoe T. ST6GALNAC1 plays important roles in enhancing cancer stem phenotypes of colorectal cancer via the Akt pathway. Oncotarget 2017; 8:112550-112564. [PMID: 29348846 PMCID: PMC5762531 DOI: 10.18632/oncotarget.22545] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2017] [Accepted: 10/04/2017] [Indexed: 12/12/2022] Open
Abstract
Colorectal cancer (CRC) is a mortal disease due to treatment resistance, recurrence and distant metastasis. Emerging evidence has revealed that a small sub-population of cancer cells termed cancer stem cells (CSCs)/ cancer-initiating cells (CICs) is endowed with high levels of tumor-initiating ability, self-renewal ability and differentiation ability and is responsible for treatment resistance, recurrence and distant metastasis. Eradication of CSCs/CICs is essential to improve current treatments. However, the molecular mechanisms by which CSCs/CICs are maintained are still elusive. In this study, we aimed to determine the molecular mechanisms by which colorectal (CR)-CSCs/CICs in are maintained human primary CRC cells. CR-CSCs/CICs were isolated by sphere-culture and the ALDEFLUOR assay, and transcriptome analysis revealed that the gene ST6 N-Acetylgalactosaminide Alpha-2,6-Sialyltransferase 1 (ST6GALNAC1) was expressed at high levels in CR-CSCs/CICs. Overexpression of ST6GALNAC1 enhanced the expression of sialyl-Tn (STn) antigen, which is carried by the CSC marker CD44, and increased the sphere-forming ability and resistance to a chemotherapeutic reagent. The opposite phenomena were observed by gene knockdown using siRNA. Furthermore, the Akt pathway was activated in ST6GANAC1-overexpressed cells, and activation of the pathway was cancelled by gene knockdown of galectin-3. The results indicate that ST6GALNAC1 has a role in the maintenance of CR-CSCs/CICs by activating the Akt pathway in cooperation with galectin-3 and that ST6GalNAC1 (or STn antigen) might be a reasonable molecule for CSC/CIC-targeting therapy.
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Affiliation(s)
- Tadashi Ogawa
- Department of Pathology, Sapporo Medical University School of Medicine, Chuo-Ku, Sapporo 060-8556, Japan.,Department of Surgery, Sapporo Medical University School of Medicine, Chuo-Ku, Sapporo 060-8556, Japan
| | - Yoshihiko Hirohashi
- Department of Pathology, Sapporo Medical University School of Medicine, Chuo-Ku, Sapporo 060-8556, Japan
| | - Aiko Murai
- Department of Pathology, Sapporo Medical University School of Medicine, Chuo-Ku, Sapporo 060-8556, Japan
| | - Toshihiko Nishidate
- Department of Surgery, Sapporo Medical University School of Medicine, Chuo-Ku, Sapporo 060-8556, Japan
| | - Kenji Okita
- Department of Surgery, Sapporo Medical University School of Medicine, Chuo-Ku, Sapporo 060-8556, Japan
| | - Liming Wang
- Department of Pathology, Sapporo Medical University School of Medicine, Chuo-Ku, Sapporo 060-8556, Japan
| | - Yuzuru Ikehara
- The Molecular Medicine Team, Research Center for Medical Glycoscience, National Institute of Advanced Industrial Science and Technology, Tsukuba 305-8568, Japan
| | - Tetsuta Satoyoshi
- Department of Pathology, Sapporo Medical University School of Medicine, Chuo-Ku, Sapporo 060-8556, Japan.,Department of Surgery, Sapporo Medical University School of Medicine, Chuo-Ku, Sapporo 060-8556, Japan
| | - Akihiro Usui
- Department of Pathology, Sapporo Medical University School of Medicine, Chuo-Ku, Sapporo 060-8556, Japan.,Department of Surgery, Sapporo Medical University School of Medicine, Chuo-Ku, Sapporo 060-8556, Japan
| | - Terufumi Kubo
- Department of Pathology, Sapporo Medical University School of Medicine, Chuo-Ku, Sapporo 060-8556, Japan
| | - Munehide Nakastugawa
- Department of Pathology, Sapporo Medical University School of Medicine, Chuo-Ku, Sapporo 060-8556, Japan
| | - Takayuki Kanaseki
- Department of Pathology, Sapporo Medical University School of Medicine, Chuo-Ku, Sapporo 060-8556, Japan
| | - Tomohide Tsukahara
- Department of Pathology, Sapporo Medical University School of Medicine, Chuo-Ku, Sapporo 060-8556, Japan
| | - Goro Kutomi
- Department of Surgery, Sapporo Medical University School of Medicine, Chuo-Ku, Sapporo 060-8556, Japan
| | - Tomohisa Furuhata
- Department of Surgery, Sapporo Medical University School of Medicine, Chuo-Ku, Sapporo 060-8556, Japan
| | - Koichi Hirata
- Department of Surgery, Sapporo Medical University School of Medicine, Chuo-Ku, Sapporo 060-8556, Japan
| | - Noriyuki Sato
- Department of Pathology, Sapporo Medical University School of Medicine, Chuo-Ku, Sapporo 060-8556, Japan
| | - Toru Mizuguchi
- Department of Surgery, Sapporo Medical University School of Medicine, Chuo-Ku, Sapporo 060-8556, Japan
| | - Ichiro Takemasa
- Department of Surgery, Sapporo Medical University School of Medicine, Chuo-Ku, Sapporo 060-8556, Japan
| | - Toshihiko Torigoe
- Department of Pathology, Sapporo Medical University School of Medicine, Chuo-Ku, Sapporo 060-8556, Japan
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88
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α2,6-linked sialic acid serves as a high-affinity receptor for cancer oncolytic virotherapy with Newcastle disease virus. J Cancer Res Clin Oncol 2017; 143:2171-2181. [PMID: 28687873 DOI: 10.1007/s00432-017-2470-y] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2017] [Accepted: 06/27/2017] [Indexed: 12/17/2022]
Abstract
PURPOSE Newcastle disease virus (NDV) has been applied to oncolytic virotherapy for decades due to its naturally oncolytic property. In spite of the substantiation of the sialic acid receptors of NDV on host cells, knowledge of preference of sialic acid linkage in viral attachment and oncolytic effect is lacking and imperative to be elucidated. METHODS Surface plasmon resonance analysis and competitive inhibition with sialylated glycan receptor analogues were used to determine the affinity and the preference of sialic acid receptor. Treatments of sialyltransferase inhibitors and linkage-specific sialidases and transfection with sialyltransferase expression vector were performed to regulate sialic acids levels. RESULTS We demonstrated that sialic acid was essential for NDV binding and infection of tumor cells. α2,6-linked sialic acid served as a high-affinity receptor for NDV and the ST6Gal I sialyltransferase that synthesizes α2-6 linkage of sialylated N-linked glycans in CHO-K1 cells promoted NDV binding and cytopathic effect. More importantly, an enhanced antitumor effect of NDV on aggressive SW620 colorectal carcinoma cells with high-level of cell surface α2,6-sialylation, but not SW480 cells with relative low-level of α2,6-sialylation, was observed both in vitro and in vivo. CONCLUSIONS The study provides evidence of optimized therapeutic strategy in oncolytic virotherapy via partly defining α2,6-sialylated receptor as a "cellular marker" for NDV.
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89
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Tomšík P, Stoklasová A, Mičuda S, Niang M, Šuba P, Knížek J, Řezáčová M. Evaluation of the Antineoplastic Activity of L-rhamnose in vitro. A Comparison with 2-deoxyglucose. ACTA MEDICA (HRADEC KRÁLOVÉ) 2017. [DOI: 10.14712/18059694.2017.12] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
The effect of unsubstituted deoxyhexoses, 2-deoxy-D-glucose (2-DG) and L-fucose, on tumor cells has been reported in several papers throughout the last decades. That of a similar deoxysugar, L-rhamnose, which is synthesized in bacteria and plants but not in animal cells, has until today not been explored. In the present study, we examined the effect of L-rhamnose on DNA and protein synthesis, growth and the potential induction of apoptosis of tumor cells in vitro. Using 2-DG for comparison, we studied the effect of L-rhamnose in concentrations up to 20 (32 resp.) mmol/l on the initial velocity of the incorporation of labeled precursors of DNA and proteins in short term cultures of both mouse Ehrlich ascites tumor (EAT) and human HL-60 cells in vitro, and further, on cell proliferation and apoptosis induction in HL-60 cells. Neither cytotoxic nor cytostatic effects of L-rhamnose were observed with the exception of slightly pronounced inhibition of DNA synthesis in EAT cells. From the lacking inhibition of the protein synthesis it can be considered that L-rhamnose does not interfere with energy metabolism, at least not in a similar manner as 2-DG.
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90
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Abstract
Abstract
RHAMM is hyaluronan- receptor with multiple functions in the cell, RHAMM is involved in proliferation, motility, migration, invasion, mitotic spindle formation in tumour cells. Therefore, RHAMM could be a relevant target for molecular targeted therapies against tumors.The role of RHAMM-target peptides in inhibition invasion for preventing breast cancer has not yet been investigated. Base on this, we analyzed the RHAMM-target peptides for their therapeutic activity against breast cancer cells. In the present study, we examined the effect of RHAMM-target peptides on the invasion of breast cancer cells (MDAMB- 231), using confocal microscopy. We shown that RHAMM-target peptides decreased formation of invadopodia of breast cancer cells. The treatment of breast cancer cells by RHAMM -target peptides inhibited the invasion up to 99 %. Additionally, RHAMM-target peptides induced the morphological changes of of breast cancer cells. Therefore, based on these results, we can conclude that RHAMM-target peptides may be potential anti-cancer agents.
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Affiliation(s)
- Natalia Akentieva
- Kinetics Chemical and Biological Processes; Institute problems of Chemical Physics RAS, pr.acad. Semenova, 1 Chernogolovka Moscow , Russian Federation
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91
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Haq S, Samuel V, Haxho F, Akasov R, Leko M, Burov SV, Markvicheva E, Szewczuk MR. Sialylation facilitates self-assembly of 3D multicellular prostaspheres by using cyclo-RGDfK(TPP) peptide. Onco Targets Ther 2017; 10:2427-2447. [PMID: 28496342 PMCID: PMC5422540 DOI: 10.2147/ott.s133563] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
Background Prostaspheres-based three dimensional (3D) culture models have provided insight into prostate cancer (PCa) biology, highlighting the importance of cell–cell interactions and the extracellular matrix (EMC) in the tumor microenvironment. Although these 3D classical spheroid platforms provide a significant advance over 2D models mimicking in vivo tumors, the limitations involve no control of assembly and structure with only limited spatial or glandular organization. Here, matrix-free prostaspheres from human metastatic prostate carcinoma PC3 and DU145 cell lines and their respective gemcitabine resistant (GemR) variants were generated by using cyclic Arg-Gly-Asp-D-Phe-Lys peptide modified with 4-carboxybutyl-triphenylphosphonium bromide (cyclo-RGDfK(TPP)). Materials and methods Microscopic imaging, immunocytochemistry (ICC), flow cytometry, sialidase, and WST-1 cell viability assays were used to evaluate the formation of multicellular tumor spheroid (MCTS), cell survival, morphologic changes, and expression levels of α2,6 and α2,3 sialic acid (SA) and E- and N-cadherin in DU145, PC3, and their GemR variants. Results By using the cyclo-RGDfK(TPP) peptide platform in a dose- and time-dependent manner, both DU145 and DU145GemR cells formed small MCTS. In contrast, PC3 and PC3GemR cells formed irregular multicellular aggregates at all concentrations of cyclo-RGDfK(TPP) peptide, even after 6 days of incubation. ICC and flow cytometry results revealed that DU145 cells expressed higher amounts of E-cadherin but lower N-cadherin compared with PC3 cells. By using Maackia amurensis (α2,3-SA-specific MAL-II) and Sambucus nigra (α2,6-SA specific SNA) lectin-based cytochemistry staining and flow cytometry, it was found that DU145 and DU145GemR cells expressed 5 times more α2,6-SA than α2,3-SA on the cell surface. PC3 cells expressed 4 times more α2,3-SA than α2,6-SA, and the PC3GemR cells showed 1.4 times higher α2,6-SA than α2,3-SA. MCTS volume was dose-dependently reduced following pretreatment with α2,6-SA-specific neuraminidase (Vibrio cholerae). Oseltamivir phosphate enhanced cell aggregation and compaction of 3D MCTS formed with PC3 cells. Conclusion The relative levels of specific sialoglycan structures on the cell surface correlate with the ability of PCa cells to form avascular multicellular prostaspheres.
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Affiliation(s)
- Sabah Haq
- Department of Biomedical and Molecular Sciences, Queen's University, Kingston, ON, Canada
| | - Vanessa Samuel
- Department of Biomedical and Molecular Sciences, Queen's University, Kingston, ON, Canada
| | - Fiona Haxho
- Department of Biomedical and Molecular Sciences, Queen's University, Kingston, ON, Canada
| | - Roman Akasov
- Polymers for Biology Laboratory, Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences.,Sechenov First Moscow State Medical University, Institute for Regenerative Medicine, Moscow
| | - Maria Leko
- Synthesis of Peptides and Polymer Microspheres Laboratory, Institute of Macromolecular Compounds, Russian Academy of Sciences, St Petersburg, Russia
| | - Sergey V Burov
- Synthesis of Peptides and Polymer Microspheres Laboratory, Institute of Macromolecular Compounds, Russian Academy of Sciences, St Petersburg, Russia
| | - Elena Markvicheva
- Polymers for Biology Laboratory, Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences
| | - Myron R Szewczuk
- Department of Biomedical and Molecular Sciences, Queen's University, Kingston, ON, Canada
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92
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Poplar catkin: A natural biomaterial for highly specific and efficient enrichment of sialoglycopeptides. CHINESE CHEM LETT 2017. [DOI: 10.1016/j.cclet.2017.02.001] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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93
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Hinderlich S, Neuenschwander M, Wratil PR, Oder A, Lisurek M, Nguyen LD, von Kries JP, Hackenberger CPR. Small Molecules Targeting Human N-Acetylmannosamine Kinase. Chembiochem 2017; 18:1279-1285. [PMID: 28346741 DOI: 10.1002/cbic.201700066] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2017] [Indexed: 12/19/2022]
Abstract
N-Acetylmannosamine kinase (MNK) plays a key role in the biosynthesis of sialic acids and glycosylation of proteins. Sialylated glycoconjugates affect a large number of biological processes, including immune modulation and cancer transformation. In search of effective inhibitors of MNK we applied high-throughput screening of drug-like small molecules. By applying different orthogonal assays for their validation we identified four potential MNK-specific inhibitors with IC50 values in the low-micromolar range. Molecular modelling of the inhibitors into the active site of MNK supports their binding to the sugar or the ATP-binding pocket of the enzyme or both. These compounds are promising for downregulation of the sialic acid content of glycoconjugates and for studying the functional contribution of sialic acids to disease development.
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Affiliation(s)
- Stephan Hinderlich
- Beuth Hochschule für Technik Berlin, Seestrasse 64, 13347, Berlin, Germany
| | - Martin Neuenschwander
- Leibniz-Institut für Molekulare Pharmakologie, Robert-Roessle-Strasse 10, 13125, Berlin, Germany
| | - Paul R Wratil
- Institut für Laboratoriumsmedizin, Klinische Chemie und Pathobiochemie, Charité-Universitätsmedizin Berlin, Arnimalee 22, 14195, Berlin, Germany
| | - Andreas Oder
- Leibniz-Institut für Molekulare Pharmakologie, Robert-Roessle-Strasse 10, 13125, Berlin, Germany
| | - Michael Lisurek
- Leibniz-Institut für Molekulare Pharmakologie, Robert-Roessle-Strasse 10, 13125, Berlin, Germany
| | - Long D Nguyen
- Institut für Laboratoriumsmedizin, Klinische Chemie und Pathobiochemie, Charité-Universitätsmedizin Berlin, Arnimalee 22, 14195, Berlin, Germany
| | - Jens P von Kries
- Leibniz-Institut für Molekulare Pharmakologie, Robert-Roessle-Strasse 10, 13125, Berlin, Germany
| | - Christian P R Hackenberger
- Leibniz-Institut für Molekulare Pharmakologie, Robert-Roessle-Strasse 10, 13125, Berlin, Germany.,Humboldt Universität zu Berlin, Department Chemie, Brook-Taylor-Strasse 2, 12489, Berlin, Germany
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94
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Horimasu Y, Ishikawa N, Tanaka S, Hirano C, Iwamoto H, Ohshimo S, Fujitaka K, Hamada H, Hattori N, Kohno N. MUC1 in lung adenocarcinoma: cross-sectional genetic and serological study. BMC Cancer 2017; 17:263. [PMID: 28403862 PMCID: PMC5388999 DOI: 10.1186/s12885-017-3272-y] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2016] [Accepted: 04/07/2017] [Indexed: 11/25/2022] Open
Abstract
Background Mucin 1 (MUC1) contributes to the growth and metastasis of various cancers, including lung cancer, and MUC1 gene length polymorphisms are associated with susceptibility to lung cancer and its prognosis. In contrast, the association between rs4072037, a single nucleotide polymorphism in MUC1, and lung cancer has not been well studied. Methods In the present study, we determined the rs4072037 genotype and measured serum KL-6 levels to evaluate the association between lung adenocarcinoma (ADC) and rs4072037 or serum KL-6 levels. DNA samples were available for 172 patients and these were included in the genomic analyses. In addition, 304 patients were included in the serum analyses. Furthermore, 276 healthy volunteers were included in both genomic and serum analyses. Results The rs4072037 genotype was not associated with susceptibility to lung ADC or its prognosis. Interestingly, serum KL-6 levels significantly differed according to rs4072037 genotype in those with T1 or T2 (P < 0.001), N0 or N1 (P = 0.002) and M0 (P < 0.001), but not in those with T3 or T4 (P = 0.882), N2 or N3 (P = 0.616) and M1a or M1b (P = 0.501). Serum KL-6 levels were significantly associated with the presence of lung ADC, as well as with its progression and prognosis, indicating the crucial involvement of KL-6/MUC1 in the development of lung cancer and its progression. Conclusion Based on these findings, we conclude that rs4072037 does not have a significant impact on the pathogenesis or prognosis of lung ADC, whereas serum KL-6 levels, which might reflecting the molecular length of MUC1, are significantly associated with lung ADC. Electronic supplementary material The online version of this article (doi:10.1186/s12885-017-3272-y) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Yasushi Horimasu
- Department of Molecular and Internal Medicine, 1-2-3 Kasumi, Minami-ku, Hiroshima, 734-8551, Japan
| | - Nobuhisa Ishikawa
- Department of Molecular and Internal Medicine, 1-2-3 Kasumi, Minami-ku, Hiroshima, 734-8551, Japan. .,Department of Respiratory Medicine, Hiroshima Prefectural Hospital, 1-5-54 Ujina-Kanda, Minami-ku, Hiroshima, 734-8530, Japan.
| | - Sonosuke Tanaka
- Department of Molecular and Internal Medicine, 1-2-3 Kasumi, Minami-ku, Hiroshima, 734-8551, Japan.,Department of Internal Medicine, Shobara City Saijo Citizens Hospital, 1339 Nakano, Saijo-cho, Shobara, 729-5742, Japan
| | - Chihiro Hirano
- Department of Molecular and Internal Medicine, 1-2-3 Kasumi, Minami-ku, Hiroshima, 734-8551, Japan
| | - Hiroshi Iwamoto
- Department of Molecular and Internal Medicine, 1-2-3 Kasumi, Minami-ku, Hiroshima, 734-8551, Japan
| | - Shinichiro Ohshimo
- Department of Molecular and Internal Medicine, 1-2-3 Kasumi, Minami-ku, Hiroshima, 734-8551, Japan
| | - Kazunori Fujitaka
- Department of Molecular and Internal Medicine, 1-2-3 Kasumi, Minami-ku, Hiroshima, 734-8551, Japan
| | - Hironobu Hamada
- Physical Analysis and Therapeutic Sciences, Institute of Biomedical and Health Sciences, Hiroshima University, 1-2-3 Kasumi, Minami-ku, Hiroshima, 734-8551, Japan
| | - Noboru Hattori
- Department of Molecular and Internal Medicine, 1-2-3 Kasumi, Minami-ku, Hiroshima, 734-8551, Japan
| | - Nobuoki Kohno
- Department of Molecular and Internal Medicine, 1-2-3 Kasumi, Minami-ku, Hiroshima, 734-8551, Japan
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95
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Srivastava A, Isa ILM, Rooney P, Pandit A. Bioengineered three-dimensional diseased intervertebral disc model revealed inflammatory crosstalk. Biomaterials 2017; 123:127-141. [DOI: 10.1016/j.biomaterials.2017.01.045] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2016] [Revised: 01/11/2017] [Accepted: 01/28/2017] [Indexed: 12/29/2022]
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96
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Malek R, Wang H, Taparra K, Tran PT. Therapeutic Targeting of Epithelial Plasticity Programs: Focus on the Epithelial-Mesenchymal Transition. Cells Tissues Organs 2017; 203:114-127. [PMID: 28214899 DOI: 10.1159/000447238] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/27/2016] [Indexed: 12/14/2022] Open
Abstract
Mounting data points to epithelial plasticity programs such as the epithelial-mesenchymal transition (EMT) as clinically relevant therapeutic targets for the treatment of malignant tumors. In addition to the widely realized role of EMT in increasing cancer cell invasiveness during cancer metastasis, the EMT has also been implicated in allowing cancer cells to avoid tumor suppressor pathways during early tumorigenesis. In addition, data linking EMT to innate and acquired treatment resistance further points towards the desire to develop pharmacological therapies to target epithelial plasticity in cancer. In this review we organized our discussion on pathways and agents that can be used to target the EMT in cancer into 3 groups: (1) extracellular inducers of EMT, (2) the transcription factors that orchestrate the EMT transcriptome, and (3) the downstream effectors of EMT. We highlight only briefly specific canonical pathways known to be involved in EMT, such as the signal transduction pathways TGFβ, EFGR, and Axl-Gas6. We emphasize in more detail pathways that we believe are emerging novel pathways and therapeutic targets such as epigenetic therapies, glycosylation pathways, and immunotherapy. The heterogeneity of tumors and the dynamic nature of epithelial plasticity in cancer cells make it likely that targeting only 1 EMT-related process will be unsuccessful or only transiently successful. We suggest that with greater understanding of epithelial plasticity regulation, such as with the EMT, a more systematic targeting of multiple EMT regulatory networks will be the best path forward to improve cancer outcomes.
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Affiliation(s)
- Reem Malek
- Department of Radiation Oncology and Molecular Radiation Sciences, Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins University School of Medicine, Baltimore, MD, USA
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97
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Badr HA, AlSadek DMM, El-Houseini ME, Saeui CT, Mathew MP, Yarema KJ, Ahmed H. Harnessing cancer cell metabolism for theranostic applications using metabolic glycoengineering of sialic acid in breast cancer as a pioneering example. Biomaterials 2017; 116:158-173. [PMID: 27926828 PMCID: PMC5193387 DOI: 10.1016/j.biomaterials.2016.11.044] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2016] [Revised: 11/14/2016] [Accepted: 11/24/2016] [Indexed: 12/18/2022]
Abstract
Abnormal cell surface display of sialic acids - a family of unusual 9-carbon sugars - is widely recognized as distinguishing feature of many types of cancer. Sialoglycans, however, typically cannot be identified with sufficiently high reproducibility and sensitivity to serve as clinically accepted biomarkers and similarly, almost all efforts to exploit cancer-specific differences in sialylation signatures for therapy remain in early stage development. In this report we provide an overview of important facets of glycosylation that contribute to cancer in general with a focus on breast cancer as an example of malignant disease characterized by aberrant sialylation. We then describe how cancer cells experience nutrient deprivation during oncogenesis and discuss how the resulting metabolic reprogramming, which endows breast cancer cells with the ability to obtain nutrients during scarcity, constitutes an "Achilles' heel" that we believe can be exploited by metabolic glycoengineering (MGE) strategies to develop new diagnostic methods and therapeutic approaches. In particular, we hypothesize that adaptations made by breast cancer cells that allow them to efficiently scavenge sialic acid during times of nutrient deprivation renders them vulnerable to MGE, which refers to the use of exogenously-supplied, non-natural monosaccharide analogues to modulate targeted aspects of glycosylation in living cells and animals. In specific, once non-natural sialosides are incorporated into the cancer "sialome" they can be exploited as epitopes for immunotherapy or as chemical tags for targeted delivery of imaging or therapeutic agents selectively to tumors.
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Affiliation(s)
- Haitham A Badr
- Department of Biochemistry, Faculty of Agriculture, Zagazig University, Zagazig 44511, Egypt
| | - Dina M M AlSadek
- Department of Histology and Cytology, Faculty of Veterinary Medicine, Zagazig University, Zagazig 44511, Egypt
| | - Motawa E El-Houseini
- Cancer Biology Department, National Cancer Institute, Cairo University, Cairo 11796, Egypt
| | - Christopher T Saeui
- Department of Biomedical Engineering and Translational Tissue Engineering Center, The Johns Hopkins University, Baltimore, MD 21231, USA
| | - Mohit P Mathew
- Department of Biomedical Engineering and Translational Tissue Engineering Center, The Johns Hopkins University, Baltimore, MD 21231, USA
| | - Kevin J Yarema
- Department of Biomedical Engineering and Translational Tissue Engineering Center, The Johns Hopkins University, Baltimore, MD 21231, USA.
| | - Hafiz Ahmed
- GlycoMantra, Inc., Baltimore, MD 21227, USA.
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98
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Santos SN, Junqueira MS, Francisco G, Vilanova M, Magalhães A, Baruffi MD, Chammas R, Harris AL, Reis CA, Bernardes ES. O-glycan sialylation alters galectin-3 subcellular localization and decreases chemotherapy sensitivity in gastric cancer. Oncotarget 2016; 7:83570-83587. [PMID: 27835877 PMCID: PMC5347789 DOI: 10.18632/oncotarget.13192] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2015] [Accepted: 10/21/2016] [Indexed: 12/12/2022] Open
Abstract
ST6GalNAc-I, the sialyltransferase responsible for sialyl-Tn (sTn) synthesis, has been previously reported to be positively associated with cancer aggressiveness. Here we describe a novel sTn-dependent mechanism for chemotherapeutic resistance. We show that sTn protects cancer cells against chemotherapeutic-induced cell death by decreasing the interaction of cell surface glycan receptors with galectin-3 and increasing its intracellular accumulation. Moreover, exogenously added galectin-3 potentiated the chemotherapeutics-induced cytotoxicity in sTn non-expressing cells, while sTn overexpressing cells were protected. We also found that the expression of sTn was associated with a reduction in galectin-3-binding sites in human gastric samples tumors. ST6GalNAc-I knockdown restored galectin-3-binding sites on the cell surface and chemotherapeutics sensibility. Our results clearly demonstrate that an interruption of O-glycans extension caused by ST6GalNAc-I enzymatic activity leads to tumor cells resistance to chemotherapeutic drugs, highlighting the need for the development of novel strategies to target galectin-3 and/or ST6GalNAc-I.
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MESH Headings
- Animals
- Antigens, Tumor-Associated, Carbohydrate/genetics
- Antigens, Tumor-Associated, Carbohydrate/metabolism
- Antineoplastic Agents/pharmacology
- Blood Proteins
- Cell Line, Tumor
- Cell Proliferation
- Cisplatin/pharmacology
- Dose-Response Relationship, Drug
- Drug Resistance, Neoplasm
- Galectin 3/metabolism
- Galectins
- Glycosylation
- Humans
- Mice, Inbred BALB C
- Mice, Nude
- Protein Processing, Post-Translational
- Protein Transport
- RNA Interference
- Sialyltransferases/genetics
- Sialyltransferases/metabolism
- Stomach Neoplasms/drug therapy
- Stomach Neoplasms/genetics
- Stomach Neoplasms/metabolism
- Stomach Neoplasms/pathology
- Time Factors
- Transfection
- Tumor Burden
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Affiliation(s)
- Sofia N. Santos
- Department of Radiopharmacy, Nuclear Energy Research Institute, Radiopharmacy Center, São Paulo, Brazil
| | - Mara S. Junqueira
- Department of Center for Translational Oncology Cellular, Biology Group, Center for Translational Oncology, Cancer Institute of the State of Sao Paulo-ICESP, Brazil
| | - Guilherme Francisco
- Department of Center for Translational Oncology Cellular, Biology Group, Center for Translational Oncology, Cancer Institute of the State of Sao Paulo-ICESP, Brazil
| | - Manuel Vilanova
- I3S - Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Portugal
- IBMC Instituto de Biologia Molecular e Celular, Universidade do Porto, Portugal
- ICBAS-UP – Instituto de Ciências Biomédicas Abel Salazar, University of Porto, Porto, Portugal
| | - Ana Magalhães
- I3S - Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Portugal
- Department of Glycobiology in Cancer, IPATIMUP - Institute of Molecular Pathology and Immunology from the University of Porto, Porto, Portugal
| | - Marcelo Dias Baruffi
- Department of Clinical, Toxicological and Bromatological Analysis, Faculdade de Ciências Farmaceuticas de Ribeirão Preto, Universidade de São Paulo, Brazil
| | - Roger Chammas
- Department of Center for Translational Oncology Cellular, Biology Group, Center for Translational Oncology, Cancer Institute of the State of Sao Paulo-ICESP, Brazil
| | - Adrian L. Harris
- Department of Medical Oncology, Molecular Oncology Laboratories, Weatherall Institute of Molecular Medicine, University of Oxford, Oxford OX3 9DS, UK
| | - Celso A. Reis
- I3S - Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Portugal
- ICBAS-UP – Instituto de Ciências Biomédicas Abel Salazar, University of Porto, Porto, Portugal
- Department of Glycobiology in Cancer, IPATIMUP - Institute of Molecular Pathology and Immunology from the University of Porto, Porto, Portugal
- Department of Pathology and Oncology, Medical Faculty, University of Porto, Portugal
| | - Emerson S. Bernardes
- Department of Radiopharmacy, Nuclear Energy Research Institute, Radiopharmacy Center, São Paulo, Brazil
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99
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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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100
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Shadnezhad A, Naegeli A, Collin M. CP40 from Corynebacterium pseudotuberculosis is an endo-β-N-acetylglucosaminidase. BMC Microbiol 2016; 16:261. [PMID: 27821068 PMCID: PMC5100271 DOI: 10.1186/s12866-016-0884-3] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2016] [Accepted: 10/29/2016] [Indexed: 12/21/2022] Open
Abstract
Background C. pseudotuberculosis is an important animal pathogen that causes substantial economical loss in sheep and goat farming. Zoonotic infections in humans are rare, but when they occur they are often severe and difficult to treat. One of the most studied proteins from this bacterium, the secreted protein CP40 is being developed as a promising vaccine candidate and has been characterized as a serine protease. In this study we have investigated if CP40 is an endoglycosidase rather than a protease. Results CP40 does not show any protease activity and contains an EndoS-like family 18 of glycoside hydrolase (chitinase) motif. It hydrolyzes biantennary glycans on both human and ovine IgGs. CP40 is not a general chitinase and cannot hydrolyze bisecting GlcNAc. Conclusion Taken together we present solid evidence for re-annotating CP40 as an EndoS-like endoglycosidase. Redefining the activity of this enzyme will facilitate subsequent studies that could give further insight into immune evasion mechanisms underlying corynebacterial infections in animals and humans.
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Affiliation(s)
- Azadeh Shadnezhad
- Department of Clinical Sciences, Division of Infection Medicine, Lund University, Biomedical Center B14, SE-22184, Lund, Sweden.
| | - Andreas Naegeli
- Department of Clinical Sciences, Division of Infection Medicine, Lund University, Biomedical Center B14, SE-22184, Lund, Sweden
| | - Mattias Collin
- Department of Clinical Sciences, Division of Infection Medicine, Lund University, Biomedical Center B14, SE-22184, Lund, Sweden
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