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Abstract
Glycoscience assembles all the scientific disciplines involved in studying various molecules and macromolecules containing carbohydrates and complex glycans. Such an ensemble involves one of the most extensive sets of molecules in quantity and occurrence since they occur in all microorganisms and higher organisms. Once the compositions and sequences of these molecules are established, the determination of their three-dimensional structural and dynamical features is a step toward understanding the molecular basis underlying their properties and functions. The range of the relevant computational methods capable of addressing such issues is anchored by the specificity of stereoelectronic effects from quantum chemistry to mesoscale modeling throughout molecular dynamics and mechanics and coarse-grained and docking calculations. The Review leads the reader through the detailed presentations of the applications of computational modeling. The illustrations cover carbohydrate-carbohydrate interactions, glycolipids, and N- and O-linked glycans, emphasizing their role in SARS-CoV-2. The presentation continues with the structure of polysaccharides in solution and solid-state and lipopolysaccharides in membranes. The full range of protein-carbohydrate interactions is presented, as exemplified by carbohydrate-active enzymes, transporters, lectins, antibodies, and glycosaminoglycan binding proteins. A final section features a list of 150 tools and databases to help address the many issues of structural glycobioinformatics.
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Affiliation(s)
- Serge Perez
- Centre de Recherche sur les Macromolecules Vegetales, University of Grenoble-Alpes, Centre National de la Recherche Scientifique, Grenoble F-38041, France
| | - Olga Makshakova
- FRC Kazan Scientific Center of Russian Academy of Sciences, Kazan Institute of Biochemistry and Biophysics, Kazan 420111, Russia
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Tsutsui S, Matsui S, Nakamura O. Serum amyloid P-component/C-reactive proteins in fugu (Takifugu rubripes) egg with binding ability to disease-causing bacteria by carbohydrate-recognition. DEVELOPMENTAL AND COMPARATIVE IMMUNOLOGY 2020; 111:103748. [PMID: 32442442 DOI: 10.1016/j.dci.2020.103748] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/18/2020] [Revised: 05/17/2020] [Accepted: 05/17/2020] [Indexed: 06/11/2023]
Abstract
Two galactose-binding proteins were purified from the eggs of Takifugu rubripes by affinity chromatography. These proteins were detected at 26 and 23 kDa under reducing and at 40 and 45 kDa under non-reducing conditions at SDS-PAGE. The peptide sequences from both proteins matched to short-type pentraxin. The 26-kDa lectin was glycosylated, while the other one was not, indicating that these could be glycoforms of pentraxin. Messenger RNA of pentraxin was detected in eggs and embryos at 1-cell stage, was undetectable till blastula, and finally detected again after gastrula, suggesting that the mRNAs in eggs and 1-cell embryos were maternal in origin, and autologous transcription of the gene occurred after blastula. Since they bind to pathogenic bacteria, egg pentraxins may have immunological functions during embryogenesis. This is the first study to show the presence of short-type pentraxin in fish eggs and the diversity of fish egg lectins.
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Affiliation(s)
- Shigeyuki Tsutsui
- School of Marine Biosciences, Kitasato University, 1-15-1 Kitasato, Minami-ku, Sagamihara, Kanagawa 252-0373, Japan.
| | - Shintaro Matsui
- School of Marine Biosciences, Kitasato University, 1-15-1 Kitasato, Minami-ku, Sagamihara, Kanagawa 252-0373, Japan
| | - Osamu Nakamura
- School of Marine Biosciences, Kitasato University, 1-15-1 Kitasato, Minami-ku, Sagamihara, Kanagawa 252-0373, Japan
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Shi YH, Chen K, Ma WJ, Chen J. Ayu C-reactive protein/serum amyloid P agglutinates bacteria and inhibits complement-mediated opsonophagocytosis by monocytes/macrophages. FISH & SHELLFISH IMMUNOLOGY 2018; 76:58-67. [PMID: 29481847 DOI: 10.1016/j.fsi.2018.02.038] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/02/2018] [Revised: 02/18/2018] [Accepted: 02/19/2018] [Indexed: 06/08/2023]
Abstract
The short-chain pentraxins (PTXs), including C-reactive protein (CRP) and serum amyloid P (SAP), are soluble pattern recognition molecules (PRMs) that exhibit calcium-dependent binding to bacterial surface molecules. They opsonize pathogens or other particles by phagocytic clearance. However, the detailed functions of short-chain PTXs in teleosts remained unclear. In this study, we identified a short-chain PTX gene from ayu, Plecoglossus altivelis, and tentatively named as PaCRP/SAP. Sequence analysis revealed that PaCRP/SAP has typical characteristics of fish CRP/SAP and is mostly closely related to rainbow smelt (Osmerus mordax) SAP. PaCRP/SAP transcripts were detected in all tested tissues, with the highest level in the liver, and its expression significantly upregulated following Vibrio anguillarum infection. The active recombinant mature PaCRP/SAP (rPaCRP/SAPm) agglutinated Gram-negative bacteria (Escherichia coli, V. anguillarum, Aeromonas hydrophila, and Vibrio parahaemolyticus) and Gram-positive bacteria (Staphylococcus aureus and Listeria monocytogenes) in a calcium-dependent manner in vitro, and it correspondingly bound peptidoglycan and lipopolysaccharide in a dose-dependent manner. The binding of rPaCRP/SAPm to E. coli and S. aureus resulted in a clear inhibition of the deposition of ayu complement 3 (PaC3) on the bacteria. Furthermore, rPaCRP/SAPm decreased phagocytosis of rPaCRP/SAPm-bound E. coli and S. aureus cells by ayu monocytes/macrophages (MO/MΦ) in a complement-dependent way. However, rPaCRP/SAPm alone had no significant influence on phagocytosis. These results provided the first evidence that PaCRP/SAP might function in ayu immune responses via agglutinating bacteria and inhibiting complement-mediated opsonophagocytosis by MO/MΦ.
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Affiliation(s)
- Yu-Hong Shi
- Laboratory of Biochemistry and Molecular Biology, School of Marine Sciences, Ningbo University, Ningbo 315211, China; Key Laboratory of Applied Marine Biotechnology of Ministry of Education, Ningbo University, Ningbo 315211, China
| | - Kai Chen
- Laboratory of Biochemistry and Molecular Biology, School of Marine Sciences, Ningbo University, Ningbo 315211, China
| | - Wen-Jing Ma
- Laboratory of Biochemistry and Molecular Biology, School of Marine Sciences, Ningbo University, Ningbo 315211, China
| | - Jiong Chen
- Laboratory of Biochemistry and Molecular Biology, School of Marine Sciences, Ningbo University, Ningbo 315211, China; Key Laboratory of Applied Marine Biotechnology of Ministry of Education, Ningbo University, Ningbo 315211, China.
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D'Haene N, Maris C, Sandras F, Dehou MF, Remmelink M, Decaestecker C, Salmon I. The Differential Expression of Galectin-1 and Galectin-3 in Normal Lymphoid Tissue and Non-Hodgkin's and Hodgkin's Lymphomas. Int J Immunopathol Pharmacol 2016; 18:431-43. [PMID: 16164826 DOI: 10.1177/039463200501800304] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023] Open
Abstract
The WHO classification of lymphomas was established on the basis of clinical, morphological, immunohistochemical and genetic criteria. However, each entity displays its own spectrum of clinical aggressiveness. Treatment success varies widely and is not predictable. Since galectins are involved in oncogenesis and the physiology of immune cells, we investigated whether galectin-1 and galectin-3 immunohistochemical expression could differ in 25 normal lymphoid tissues, 42 non-Hodgkin's and 14 Hodgkin's lymphomas. Immunohistochemical galectin expression was submitted to semi-quantitative and quantitative (computer-assisted microscopy) evaluations. This study is completed by an analysis (by means of quantitative RT-PCR) of galectin-3 mRNA expression in 3 normal lymph nodes, 3 follicular lymphomas (FLs) and 3 diffuse large B-cell lymphomas (DLBCLs). The data show that in normal lymphoid tissue, lymphocytes do not express galectin-1 and rarely express galectin-3. In contrast, galectin-3 was expressed in 8 of the 16 DLBCL cases and in 1 of the 8 FL cases. Furthermore, galectin-3 mRNA was expressed 3-times more in the DLBCLs than in the FLs. While the blood vessel walls of the lymphomas expressed galectin-1, the vessel walls of normal lymphoid tissues did not. This expression of galectin-1 in blood vessel walls was correlated with vascular density. The present study thus shows that DLBCL can be distinguished from normal lymphoid tissue and other lymphomas on the basis of galectin-3 expression.
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Affiliation(s)
- N D'Haene
- Laboratory of Pathology, Erasmus University Hospital (ULB), Brussels, Belgium
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Etulain J, Schattner M. Glycobiology of platelet-endothelial cell interactions. Glycobiology 2014; 24:1252-9. [DOI: 10.1093/glycob/cwu056] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
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Audfray A, Varrot A, Imberty A. Bacteria love our sugars: Interaction between soluble lectins and human fucosylated glycans, structures, thermodynamics and design of competing glycocompounds. CR CHIM 2013. [DOI: 10.1016/j.crci.2012.11.021] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
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Wu AM, Singh T, Liu JH, André S, Lensch M, Siebert HC, Krzeminski M, Bonvin AMJJ, Kaltner H, Wu JH, Gabius HJ. Adhesion/growth-regulatory galectins: insights into their ligand selectivity using natural glycoproteins and glycotopes. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2011; 705:117-41. [PMID: 21618107 DOI: 10.1007/978-1-4419-7877-6_7] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Affiliation(s)
- Albert M Wu
- Glyco-Immunochemistry Research Laboratory, Institute of Molecular and Cellular Biology, College of Medicine, Chang-Gung University, Kwei-Shan, Tao-Yuan, 333, Taiwan.
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Sakaguchi M, Arruda-Carvalho M, Kang NH, Imaizumi Y, Poirier F, Okano H, Frankland PW. Impaired spatial and contextual memory formation in galectin-1 deficient mice. Mol Brain 2011; 4:33. [PMID: 21884595 PMCID: PMC3179925 DOI: 10.1186/1756-6606-4-33] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2011] [Accepted: 09/01/2011] [Indexed: 11/27/2022] Open
Abstract
Galectins are a 15 member family of carbohydrate-binding proteins that have been implicated in cancer, immunity, inflammation and development. While galectins are expressed in the central nervous system, little is known about their function in the adult brain. Previously we have shown that galectin-1 (gal-1) is expressed in the adult hippocampus, and, in particular, in putative neural stem cells in the subgranular zone. To evaluate how gal-1 might contribute to hippocampal memory function here we studied galectin-1 null mutant (gal-1-/-) mice. Compared to their wildtype littermate controls, gal-1-/- mice exhibited impaired spatial learning in the water maze and contextual fear learning. Interestingly, tone fear conditioning was normal in gal-1-/- mice suggesting that loss of gal-1 might especially impact hippocampal learning and memory. Furthermore, gal-1-/- mice exhibited normal motor function, emotion and sensory processing in a battery of other behavioral tests, suggesting that non-mnemonic performance deficits are unlikely to account for the spatial and contextual learning deficits. Together, these data reveal a role for galectin-carbohydrate signalling in hippocampal memory function.
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Affiliation(s)
- Masanori Sakaguchi
- Program in Neurosciences and Mental Health, The Hospital for Sick Children, Toronto, Ontario, Canada
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Cell state switching factors and dynamical patterning modules: complementary mediators of plasticity in development and evolution. J Biosci 2009; 34:553-72. [DOI: 10.1007/s12038-009-0074-7] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
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Newman SA, Bhat R, Mezentseva NV. Cell state switching factors and dynamical patterning modules: complementary mediators of plasticity in development and evolution. J Biosci 2009. [DOI: 10.1007/s12038-009-0001-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Mammalian lectin as tool in glycochemistry and histochemistry with relevance for diagnostic procedure. METHODS IN MOLECULAR BIOLOGY (CLIFTON, N.J.) 2008; 418:171-86. [PMID: 18287659 DOI: 10.1007/978-1-59745-579-4_15] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/06/2023]
Abstract
Carbohydrates represent a fundamental building unit of living organisms. Many contemporary results introduce these substances as medium with remarkable data storage capacity (glycocode) that is decoded by special receptor counterpartners, lectins. Animal so-called endogenous lectins are presented here as the biotinylated tools for normal lectin histochemistry in accompany with biotinylated (neo)glycoconjugates employed in reverse lectin histochemistry. Practical lesson how to employ these probes in cell/tissue labeling including multiple cell labeling at the single-cell level is also included. Position of glycocode and endogenous lectins in squamous epithelium biology under physiological condition and after the malignant transformation is shown as example of the employment of mentioned probes in research and diagnostics.
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Mullany LK, White P, Hanse EA, Nelsen CJ, Goggin MM, Mullany JE, Anttila CK, Greenbaum LE, Kaestner KH, Albrecht JH. Distinct proliferative and transcriptional effects of the D-type cyclins in vivo. Cell Cycle 2008; 7:2215-24. [PMID: 18635970 DOI: 10.4161/cc.7.14.6274] [Citation(s) in RCA: 60] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022] Open
Abstract
The D-type cyclins (D1, D2 and D3) are components of the cell cycle machinery and govern progression through G(1) phase in response to extracellular signals. Although these proteins are highly homologous and conserved in evolution, they contain distinct structural motifs and are differentially regulated in various cell types. Cyclin D1 appears to play a role in many different types of cancer, whereas cyclins D2 and D3 are less frequently associated with malignancy. In this study, we transiently expressed cyclin D1, D2 or D3 in hepatocytes and analyzed transcriptional networks regulated by each. All three D-type cyclins promoted robust hepatocyte proliferation and marked liver growth, although cyclin D3 stimulated less DNA synthesis than D1 or D2. Accordingly, the three D-type cyclins similarly activated genes associated with cell division. Cyclin D1 regulated transcriptional pathways involved in the metabolism of carbohydrates, lipids, amino acids, and other substrates, whereas cyclin D2 did not regulate these pathways despite having an equivalent effect on proliferation. Comparison of transcriptional profiles following 70% partial hepatectomy and cyclin D1 transduction revealed a highly significant overlap, suggesting that cyclin D1 may regulate diverse cellular processes in the regenerating liver. In summary, these studies provide the first comparative analysis of the transcriptional networks regulated by the D-type cyclins and provide insight into novel functions of these key cell cycle proteins. Further study of the unique targets of cyclin D1 should provide further insight into its prominent role in proliferation, growth and cancer.
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Affiliation(s)
- Lisa K Mullany
- Division of Gastroenterology, Hennepin County Medical Center, Minneapolis, Minnesota 55415, USA
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D’Haene N, Catteau X, Maris C, Martin B, Salmon I, Decaestecker C. Endothelial hyperplasia and endothelial galectin-3 expression are prognostic factors in primary central nervous system lymphomas. Br J Haematol 2008; 140:402-10. [DOI: 10.1111/j.1365-2141.2007.06929.x] [Citation(s) in RCA: 30] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Lefranc F, Brotchi J, Kiss R. Possible future issues in the treatment of glioblastomas: special emphasis on cell migration and the resistance of migrating glioblastoma cells to apoptosis. J Clin Oncol 2005; 23:2411-22. [PMID: 15800333 DOI: 10.1200/jco.2005.03.089] [Citation(s) in RCA: 411] [Impact Index Per Article: 21.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Abstract
PURPOSE The present review aims to emphasize that malignant gliomas are characterized by the diffuse invasion of distant brain tissue by a myriad of single migrating cells that exhibit decreased levels of apoptosis (programmed cell death type I), thus a resistance to cytotoxic insult. METHODS The present review surveys the molecular mechanisms of migration in malignant gliomas and potential issues arising from treatments, in addition to relationships between glioma cell migration and resistance to apoptosis in terms of the molecular signaling pathways. RESULTS Clinical and experimental data demonstrate that glioma cell migration is a complex combination of multiple molecular processes, including the alteration of tumor cell adhesion to a modified extracellular matrix, the secretion of proteases by the cells, and modifications to the actin cytoskeleton. Intracellular signaling pathways involved in the acquisition of resistance to apoptosis by migrating glioma cells concern PI3K, Akt, mTOR, NF-kappaB, and autophagy (programmed cell death type II). CONCLUSION A number of signaling pathways can be constitutively activated in migrating glioma cells, thus rendering these cells resistant to cytotoxic insults. However, these pathways are not all constitutively activated at the same time in any one glioma. Particular inhibitors should therefore only be chosen if the target is present in the tumor tissue, but this is only possible if individual patients are submitted to the molecular profiling of their tumors before undergoing any treatment to combat their migratory glioma cells. Specific antimigratory compounds should be added to conventional radio- and/or chemotherapy.
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Affiliation(s)
- Florence Lefranc
- Laboratoire de Toxicologie, Institut de Pharmacie, Université Libre de Bruxelles, Campus de la Plaine, Blvd du Triomphe, 1050 Brussels, Belgium
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Duzhyy D, Harvey M, Sokolowski B. A secretory-type protein, containing a pentraxin domain, interacts with an A-type K+ channel. J Biol Chem 2005; 280:15165-72. [PMID: 15708850 DOI: 10.1074/jbc.m500111200] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
A-type K(+) channels belonging to the Shal subfamily are found in various receptor and neuronal cells. Although their kinetics and cell surface expression are regulated by auxiliary subunits, little is known about the proteins that may interact with Kv4 during development. A yeast two-hybrid screening of a cDNA library made from the sensory epithelium of embryonic chick cochlea revealed a novel association of Kv4.2 with a protein containing a pentraxin domain (PPTX). Sequence analysis shows that PPTX is a member of the long pentraxin family, is 53% identical to mouse PTX3, and has a signal peptide at the N terminus. Studies with chick cochlear tissues reveal that Kv4.2 coprecipitates PPTX and that both proteins are colocalized to the sensory and ganglion cells. A yeast two-hybrid assay demonstrated that the last 22 amino acids of the PPTX C terminus interact with the N terminus of Kv4.2. Chinese hamster ovary cells transfected with recombinant PPTX reveal secretory products in both non-truncated and truncated forms. Among the secreted variants are several blocked by Brefeldin A, suggesting export via a classical pathway. PPTX is soluble in the presence of sodium carbonate, suggesting localization to the cytosolic side of the plasmalemma. Immunohistochemical studies show that Kv4.2 and PPTX colocalize in the region of the plasmalemma of Chinese hamster ovary cells; however, both are locked in the endoplasmic reticulum of COS-7 cells, suggesting that PPTX does not act as a shuttle protein. Reverse transcription-PCR demonstrates that PPTX mRNA is found in tissues that include brain, eye, heart, and blood vessels.
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Affiliation(s)
- Dmytro Duzhyy
- University of South Florida, Department of Otolaryngology, Head and Neck Surgery, Tampa, Florida 33612, USA
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