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Das IJ, Bal T. Exploring carrageenan: From seaweed to biomedicine-A comprehensive review. Int J Biol Macromol 2024; 268:131822. [PMID: 38677668 DOI: 10.1016/j.ijbiomac.2024.131822] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2024] [Revised: 04/04/2024] [Accepted: 04/22/2024] [Indexed: 04/29/2024]
Abstract
Biomaterials are pivotal in the realms of tissue engineering, regenerative medicine, and drug delivery and serve as fundamental building blocks. Within this dynamic landscape, polymeric biomaterials emerge as the frontrunners, offering unparalleled versatility across physical, chemical, and biological domains. Natural polymers, in particular, captivate attention for their inherent bioactivity. Among these, carrageenan (CRG), extracted from red seaweeds, stands out as a naturally occurring polysaccharide with immense potential in various biomedical applications. CRG boasts a unique array of properties, encompassing antiviral, antibacterial, immunomodulatory, antihyperlipidemic, antioxidant, and antitumor attributes, positioning it as an attractive choice for cutting-edge research in drug delivery, wound healing, and tissue regeneration. This comprehensive review encapsulates the multifaceted properties of CRG, shedding light on the chemical modifications that it undergoes. Additionally, it spotlights pioneering research that harnesses the potential of CRG to craft scaffolds and drug delivery systems, offering high efficacy in the realms of tissue repair and disease intervention. In essence, this review celebrates the remarkable versatility of CRG and its transformative role in advancing biomedical solutions.
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Affiliation(s)
- Itishree Jogamaya Das
- Department of Pharmaceutical Sciences and Technology, Birla Institute of Technology, Mesra, Ranchi 835215, India
| | - Trishna Bal
- Department of Pharmaceutical Sciences and Technology, Birla Institute of Technology, Mesra, Ranchi 835215, India.
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2
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Pradhan B, Ki JS. Biological activity of algal derived carrageenan: A comprehensive review in light of human health and disease. Int J Biol Macromol 2023; 238:124085. [PMID: 36948331 DOI: 10.1016/j.ijbiomac.2023.124085] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2023] [Revised: 03/14/2023] [Accepted: 03/15/2023] [Indexed: 03/24/2023]
Abstract
Carrageenans are a family of natural linear sulfated polysaccharides derived from red seaweeds and used as a common food additive. Carrageenan's properties, impact on health, and aesthetic benefits have all been studied for a long time; however, the mechanisms are still unclear. In pharmaceutical aspects, carrageenan displayed potential antioxidant and immunomodulatory properties in both in vivo and in vitro action. It also contributes to potential disease-preventive activities through dynamic modulation of important intracellular signaling pathways, regulation of ROS buildup, and preservation of major cell survival and death processes which leads to potential drug development. Furthermore, the chemical synthesis of the current bioactive medicine with confirmational rearrangement may increase availability and bioactivity needs diligent examination. In this review, we give an up-to-date overview of recent research on Carrageenan with reference to health and therapeutic advantages. In addition, we have focused on structural conformation and its primary strategic deployment in disease prevention, as well as the mechanistic investigation of how it functions to combat various disease-preventive employed for future therapeutic interventions. This review may get new insights into the possible novel role of carrageenan and open up a novel disease-preventive mechanism and enhance human health.
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Affiliation(s)
- Biswajita Pradhan
- Department of Biotechnology, Sangmyung University, Seoul 03016, Republic of Korea; School of Biological Sciences, AIPH University, Bhubaneswar 752101, Odisha, India
| | - Jang-Seu Ki
- Department of Biotechnology, Sangmyung University, Seoul 03016, Republic of Korea.
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3
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Goharshadi EK, Goharshadi K, Moghayedi M. The use of nanotechnology in the fight against viruses: A critical review. Coord Chem Rev 2022. [DOI: 10.1016/j.ccr.2022.214559] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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Conformational preferences of triantennary and tetraantennary hybrid N-glycans in aqueous solution: Insights from 20 μs long atomistic molecular dynamic simulations. J Biomol Struct Dyn 2022; 41:3305-3320. [PMID: 35262462 DOI: 10.1080/07391102.2022.2047109] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
In the current study, we have investigated the conformational dynamics of a triantennary (N-glycan1) and tetraantennary (N-glycan2) hybrid N-glycans found on the surface of the HIV glycoprotein using 20 μs long all-atom molecular dynamics (MD) simulations. The main objective of the present study is to elucidate the influence of adding a complex branch on the overall glycan structural dynamics. Our investigation suggests that the average RMSD value increases when a complex branch is added to N-glycan1. However, the RMSD distribution is relatively wider in the case of N-glycan1 compared to N-glycan2, which indicates that multiple complex branches restrict the conformational variability of glycans. A similar observation is obtained from the principal component analysis of both glycans. All the puckering states (4C1 to 1C4) of each monosaccharide except mannose are sampled in our simulations, although the 4C1 chair form is energetically more favorable than 1C4. In N-glycan1, the 1-6 linkage in the mannose branch [Man(9)-α(1-6)-Man(5)] stays in the gauche-gauche cluster, whereas it moves towards trans-gauche in N-glycan2. For both glycans, mannose branches are more flexible than the complex branches, and adding a complex branch does not influence the dynamics of the mannose branches. We have noticed that the end-to-end distance of the complex branch shortens by ∼ 10 Å in the presence of another complex branch. This suggests that in the presence of an additional complex branch, the other complex branch adopts a close folded structure. All these conformational changes involve the selective formation of inter-residue and water-mediated hydrogen-bond networks.
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Álvarez-Viñas M, Souto S, Flórez-Fernández N, Torres MD, Bandín I, Domínguez H. Antiviral Activity of Carrageenans and Processing Implications. Mar Drugs 2021; 19:437. [PMID: 34436276 PMCID: PMC8400836 DOI: 10.3390/md19080437] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2021] [Revised: 07/23/2021] [Accepted: 07/27/2021] [Indexed: 02/07/2023] Open
Abstract
Carrageenan and carrageenan oligosaccharides are red seaweed sulfated carbohydrates with well-known antiviral properties, mainly through the blocking of the viral attachment stage. They also exhibit other interesting biological properties and can be used to prepare different drug delivery systems for controlled administration. The most active forms are λ-, ι-, and κ-carrageenans, the degree and sulfation position being determined in their properties. They can be obtained from sustainable worldwide available resources and the influence of manufacturing on composition, structure, and antiviral properties should be considered. This review presents a survey of the antiviral properties of carrageenan in relation to the processing conditions, particularly those assisted by intensification technologies during the extraction stage, and discusses the possibility of further chemical modifications.
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Affiliation(s)
- Milena Álvarez-Viñas
- CINBIO, Faculty of Science, Universidade de Vigo, Campus Ourense, As Lagoas, 32004 Ourense, Spain; (M.Á.-V.); (N.F.-F.); (M.D.T.)
| | - Sandra Souto
- Departamento de Microbioloxía e Parasitoloxía, Instituto de Acuicultura, Universidade de Santiago de Compostela, 15782 Santiago de Compostela, Spain; (S.S.); (I.B.)
| | - Noelia Flórez-Fernández
- CINBIO, Faculty of Science, Universidade de Vigo, Campus Ourense, As Lagoas, 32004 Ourense, Spain; (M.Á.-V.); (N.F.-F.); (M.D.T.)
| | - Maria Dolores Torres
- CINBIO, Faculty of Science, Universidade de Vigo, Campus Ourense, As Lagoas, 32004 Ourense, Spain; (M.Á.-V.); (N.F.-F.); (M.D.T.)
| | - Isabel Bandín
- Departamento de Microbioloxía e Parasitoloxía, Instituto de Acuicultura, Universidade de Santiago de Compostela, 15782 Santiago de Compostela, Spain; (S.S.); (I.B.)
| | - Herminia Domínguez
- CINBIO, Faculty of Science, Universidade de Vigo, Campus Ourense, As Lagoas, 32004 Ourense, Spain; (M.Á.-V.); (N.F.-F.); (M.D.T.)
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Puchkova LV, Kiseleva IV, Polishchuk EV, Broggini M, Ilyechova EY. The Crossroads between Host Copper Metabolism and Influenza Infection. Int J Mol Sci 2021; 22:ijms22115498. [PMID: 34071094 PMCID: PMC8197124 DOI: 10.3390/ijms22115498] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2021] [Revised: 05/17/2021] [Accepted: 05/20/2021] [Indexed: 12/15/2022] Open
Abstract
Three main approaches are used to combat severe viral respiratory infections. The first is preemptive vaccination that blocks infection. Weakened or dead viral particles, as well as genetic constructs carrying viral proteins or information about them, are used as an antigen. However, the viral genome is very evolutionary labile and changes continuously. Second, chemical agents are used during infection and inhibit the function of a number of viral proteins. However, these drugs lose their effectiveness because the virus can rapidly acquire resistance to them. The third is the search for points in the host metabolism the effect on which would suppress the replication of the virus but would not have a significant effect on the metabolism of the host. Here, we consider the possibility of using the copper metabolic system as a target to reduce the severity of influenza infection. This is facilitated by the fact that, in mammals, copper status can be rapidly reduced by silver nanoparticles and restored after their cancellation.
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Affiliation(s)
- Ludmila V. Puchkova
- International Research Laboratory of Trace Elements Metabolism, ADTS Institute, RC AFMLCS, ITMO University, 197101 St. Petersburg, Russia;
| | - Irina V. Kiseleva
- Department of Virology, Institute of Experimental Medicine, 197376 St. Petersburg, Russia;
| | | | - Massimo Broggini
- Istituto di Ricerche Farmacologiche “Mario Negri”, IRCCS, 20156 Milan, Italy;
| | - Ekaterina Yu. Ilyechova
- International Research Laboratory of Trace Elements Metabolism, ADTS Institute, RC AFMLCS, ITMO University, 197101 St. Petersburg, Russia;
- Department of Molecular Genetics, Institute of Experimental Medicine, 197376 St. Petersburg, Russia
- Correspondence: ; Tel.: +7-921-760-5274
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Watanabe T, Yagi H, Yanaka S, Yamaguchi T, Kato K. Comprehensive characterization of oligosaccharide conformational ensembles with conformer classification by free-energy landscape via reproductive kernel Hilbert space. Phys Chem Chem Phys 2021; 23:9753-9760. [PMID: 33881019 DOI: 10.1039/d0cp06448c] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Oligosaccharides play versatile roles in various biological systems but are difficult to characterize from a structural viewpoint due to their remarkable degrees of freedom in internal motion. Therefore, molecular dynamics simulations have been widely used to delineate the dynamic conformations of oligosaccharides. However, hardly any methods have thus far been available for the comprehensive characterization of simulation-derived conformational ensembles of oligosaccharides. In this research, we attempted to develop a non-linear multivariate analysis by employing a kernel method using two homologous high-mannose-type oligosaccharides composed of ten and eleven residues as model molecules. These oligosaccharides' conformers derived from simulations were mapped into reproductive kernel Hilbert space with a positive definite function in which all required non-redundant variables for describing the oligosaccharide conformations can be treated in a non-biased manner. By applying Gaussian mixture model clustering, the oligosaccharide conformers were successfully classified by different funnels in the free-energy landscape, enabling a systematic comparison of conformational ensembles of the homologous oligosaccharides. The results shed light on the contributions of intraresidue conformational factors such as the hydroxyl group orientation and/or ring puckering state to their global conformational dynamics. Our methodology will open opportunities to explore oligosaccharides' conformational spaces, and more generally, molecules with high degrees of motional freedom.
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Affiliation(s)
- Tokio Watanabe
- Faculty and Graduate School of Pharmaceutical Sciences, Nagoya City University, 3-1 Tanabe-Dori, Mizuho-Ku, Nagoya, Aichi 467-8603, Japan.
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NMR Experiments Shed New Light on Glycan Recognition by Human and Murine Norovirus Capsid Proteins. Viruses 2021; 13:v13030416. [PMID: 33807801 PMCID: PMC8001558 DOI: 10.3390/v13030416] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2021] [Revised: 03/02/2021] [Accepted: 03/03/2021] [Indexed: 02/06/2023] Open
Abstract
Glycan–protein interactions are highly specific yet transient, rendering glycans ideal recognition signals in a variety of biological processes. In human norovirus (HuNoV) infection, histo-blood group antigens (HBGAs) play an essential but poorly understood role. For murine norovirus infection (MNV), sialylated glycolipids or glycoproteins appear to be important. It has also been suggested that HuNoV capsid proteins bind to sialylated ganglioside head groups. Here, we study the binding of HBGAs and sialoglycans to HuNoV and MNV capsid proteins using NMR experiments. Surprisingly, the experiments show that none of the norovirus P-domains bind to sialoglycans. Notably, MNV P-domains do not bind to any of the glycans studied, and MNV-1 infection of cells deficient in surface sialoglycans shows no significant difference compared to cells expressing respective glycans. These findings redefine glycan recognition by noroviruses, challenging present models of infection.
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Abstract
The importance of post-translational glycosylation in protein structure and function has gained significant clinical relevance recently. The latest developments in glycobiology, glycochemistry, and glycoproteomics have made the field more manageable and relevant to disease progression and immune-response signaling. Here, we summarize the current progress in glycoscience, including the new methodologies that have led to the introduction of programmable and automatic as well as large-scale enzymatic synthesis, and the development of glycan array, glycosylation probes, and inhibitors of carbohydrate-associated enzymes or receptors. These novel methodologies and tools have facilitated our understanding of the significance of glycosylation and development of carbohydrate-derived medicines that bring the field to the next level of scientific and medical significance.
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Affiliation(s)
- Sachin S Shivatare
- Department of Chemistry, The Scripps Research Institute, 10550 N. Torrey Pines Road, La Jolla, California 92037, USA
| | - Chi-Huey Wong
- Department of Chemistry, The Scripps Research Institute, 10550 N. Torrey Pines Road, La Jolla, California 92037, USA
- Genomics Research Center, Academia Sinica, Taipei 115, Taiwan
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10
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Abstract
Earlier analysis of the Protein Data Bank derived the distribution of rotations from the plane of a protein hydrogen bond donor peptide group to the plane of its acceptor peptide group. The quasi Boltzmann formalism of Pohl-Finkelstein is employed to estimate free energies of protein elements with these hydrogen bonds, pinpointing residues with a high propensity for conformational change. This is applied to viral glycoproteins as well as capsids, where the 90th+ percentiles of free energies determine residues that correlate well with viral fusion peptides and other functional domains in known cases and thus provide a novel method for predicting these sites of importance as antiviral drug or vaccine targets in general. The method is implemented at https://bion-server.au.dk/hbonds/ from an uploaded Protein Data Bank file.
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Affiliation(s)
- Robert C. Penner
- Institut des Hautes Études Scientifiques, Bures-sur-Yvette, France
- Mathematics Department, University of California at Los Angeles, Los Angeles, California
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Somrit M, Yu SY, Le Pendu J, Breiman A, Guérardel Y, Weerachatyanukul W, Watthammawut A. Macrobrachium rosenbergii nodavirus virus-like particles attach to fucosylated glycans in the gills of the giant freshwater prawn. Cell Microbiol 2020; 22:e13258. [PMID: 32862508 DOI: 10.1111/cmi.13258] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2020] [Revised: 08/06/2020] [Accepted: 08/25/2020] [Indexed: 02/04/2023]
Abstract
The Macrobrachium rosenbergii nodavirus (MrNV), the causative agent of white-tail disease (WTD) in many species of shrimp and prawn, has been shown to infect hemocytes and tissues such as the gills and muscles. However, little is known about the host surface molecules to which MrNV attach to initiate infection. Therefore, the present study investigated the role of glycans as binding molecules for virus attachment in susceptible tissues such as the gills. We established that MrNV in their virus-like particle (MrNV-VLP) form exhibited strong binding to gill tissues and lysates, which was highly reduced by the glycan-reducing periodate and PNGase F. The broad, fucose-binding Aleuria Aurantia lectin (AAL) highly reduced MrNV-VLPs binding to gill tissue sections and lysates, and efficiently disrupted the specific interactions between the VLPs and gill glycoproteins. Furthermore, mass spectroscopy revealed the existence of unique fucosylated LacdiNAc-extended N-linked and O-linked glycans in the gill tissues, whereas beta-elimination experiments showed that MrNV-VLPs demonstrated a binding preference for N-glycans. Therefore, the results from this study highly suggested that MrNV-VLPs preferentially attach to fucosylated N-glycans in the susceptible gill tissues, and these findings could lead to the development of strategies that target virus-host surface glycan interactions to reduce MrNV infections.
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Affiliation(s)
- Monsicha Somrit
- Department of Anatomy, Faculty of Science, Mahidol University, Bangkok, Thailand
| | - Shin-Yi Yu
- CNRS, UMR 8576-UGSF-Unité de Glycobiologie Structurale et Fonctionnelle, Université de Lille, Lille, France
| | | | - Adrien Breiman
- Inserm, CRCINA, Université de Nantes, Nantes, France.,Centre Hospitalier Universitaire de Nantes, Nantes, France
| | - Yann Guérardel
- CNRS, UMR 8576-UGSF-Unité de Glycobiologie Structurale et Fonctionnelle, Université de Lille, Lille, France
| | | | - Atthaboon Watthammawut
- Department of Anatomy, Faculty of Medicine, Srinakharinwirot University, Bangkok, Thailand
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Catalytic activity regulation through post-translational modification: the expanding universe of protein diversity. ADVANCES IN PROTEIN CHEMISTRY AND STRUCTURAL BIOLOGY 2020; 122:97-125. [PMID: 32951817 PMCID: PMC7320668 DOI: 10.1016/bs.apcsb.2020.05.001] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Protein composition is restricted by the genetic code to a relatively small number of natural amino acids. Similarly, the known three-dimensional structures adopt a limited number of protein folds. However, proteins exert a large variety of functions and show a remarkable ability for regulation and immediate response to intracellular and extracellular stimuli. To some degree, the wide variability of protein function can be attributed to the post-translational modifications. Post-translational modifications have been observed in all kingdoms of life and give to proteins a significant degree of chemical and consequently functional and structural diversity. Their importance is partly reflected in the large number of genes dedicated to their regulation. So far, hundreds of post-translational modifications have been observed while it is believed that many more are to be discovered along with the technological advances in sequencing, proteomics, mass spectrometry and structural biology. Indeed, the number of studies which report novel post translational modifications is getting larger supporting the notion that their space is still largely unexplored. In this review we explore the impact of post-translational modifications on protein structure and function with emphasis on catalytic activity regulation. We present examples of proteins and protein families whose catalytic activity is substantially affected by the presence of post translational modifications and we describe the molecular basis which underlies the regulation of the protein function through these modifications. When available, we also summarize the current state of knowledge on the mechanisms which introduce these modifications to protein sites.
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Affiliation(s)
- Ursula Neu
- Institute of Chemistry and Biochemistry, Freie Universität Berlin, Berlin, Germany
| | - Bernardo A. Mainou
- Department of Pediatrics, Emory University School of Medicine, Atlanta, Georgia, United States of America
- Children’s Healthcare of Atlanta, Atlanta, Georgia, United States of America
- * E-mail:
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Strubbia S, Phan MVT, Schaeffer J, Koopmans M, Cotten M, Le Guyader FS. Characterization of Norovirus and Other Human Enteric Viruses in Sewage and Stool Samples Through Next-Generation Sequencing. FOOD AND ENVIRONMENTAL VIROLOGY 2019; 11:400-409. [PMID: 31446609 PMCID: PMC6848244 DOI: 10.1007/s12560-019-09402-3] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/05/2019] [Accepted: 08/17/2019] [Indexed: 05/06/2023]
Abstract
This study aimed to optimize a method to identify human enteric viruses in sewage and stool samples using random primed next-generation sequencing. We tested three methods, two employed virus enrichment based on the binding properties of the viral capsid using pig-mucin capture or by selecting viral RNA prior to library preparation through a capture using the SureSelect target enrichment. The third method was based on a non-specific biophysical precipitation with polyethylene glycol. Full genomes of a number of common human enteric viruses including norovirus, rotavirus, husavirus, enterovirus and astrovirus were obtained. In stool samples full norovirus genome were detected as well as partial enterovirus genome. A variety of norovirus sequences was detected in sewage samples, with genogroup II being more prevalent. Interestingly, the pig-mucin capture enhanced not only the recovery of norovirus and rotavirus but also recovery of astrovirus, sapovirus and husavirus. Documenting sewage virome using these methods provides information for molecular epidemiology and may be useful in developing strategies to prevent further spread of viruses.
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Affiliation(s)
- Sofia Strubbia
- Ifremer, Laboratoire de Microbiologie, LSEM-SG2M, BP 21105, 44311, Nantes Cedex 3, France
| | - My V T Phan
- Department of Viroscience, Erasmus MC, University Medical Center Rotterdam, Rotterdam, The Netherlands
| | - Julien Schaeffer
- Ifremer, Laboratoire de Microbiologie, LSEM-SG2M, BP 21105, 44311, Nantes Cedex 3, France
| | - Marion Koopmans
- Department of Viroscience, Erasmus MC, University Medical Center Rotterdam, Rotterdam, The Netherlands
| | - Matthew Cotten
- Department of Viroscience, Erasmus MC, University Medical Center Rotterdam, Rotterdam, The Netherlands
- London School of Hygiene and Tropical Medicine, London, UK
- Uganda Virus Research Institute, Entebbe, Uganda
- MRC-Centre for Virus Research, Glasgow, UK
| | - Françoise S Le Guyader
- Ifremer, Laboratoire de Microbiologie, LSEM-SG2M, BP 21105, 44311, Nantes Cedex 3, France.
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15
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Rustmeier NH, Strebl M, Stehle T. The Symmetry of Viral Sialic Acid Binding Sites-Implications for Antiviral Strategies. Viruses 2019; 11:v11100947. [PMID: 31615155 PMCID: PMC6832341 DOI: 10.3390/v11100947] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2019] [Revised: 10/02/2019] [Accepted: 10/09/2019] [Indexed: 12/12/2022] Open
Abstract
Virus infections are initiated by the attachment of the viral particle to protein or carbohydrate receptors on the host cell. Sialic acid-bearing glycan structures are prominently displayed at the cell surface, and, consequently, these structures can function as receptors for a large number of diverse viruses. Structural biology research has helped to establish the molecular bases for many virus–sialic acid interactions. Due to the icosahedral 532 point group symmetry that underlies many viral capsids, the receptor binding sites are frequently arranged in a highly symmetric fashion and linked by five-fold, three-fold, or two-fold rotation axes. For the inhibition of viral attachment, one emerging strategy is based on developing multivalent sialic acid-based inhibitors that can simultaneously engage several of these binding sites, thus binding viral capsids with high avidity. In this review, we will evaluate the structures of non-enveloped virus capsid proteins bound to sialylated glycan receptors and discuss the potential of these structures for the development of potent antiviral attachment inhibitors.
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Affiliation(s)
- Nils H Rustmeier
- Interfaculty Institute of Biochemistry, University of Tuebingen, 72076 Tuebingen, Baden-Wuerttemberg, Germany.
| | - Michael Strebl
- Interfaculty Institute of Biochemistry, University of Tuebingen, 72076 Tuebingen, Baden-Wuerttemberg, Germany.
| | - Thilo Stehle
- Interfaculty Institute of Biochemistry, University of Tuebingen, 72076 Tuebingen, Baden-Wuerttemberg, Germany.
- Department of Pediatrics, Vanderbilt University School of Medicine, Nashville, TN 37232, USA.
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16
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Brunner K, Samassa F, Sansonetti PJ, Phalipon A. Shigella-mediated immunosuppression in the human gut: subversion extends from innate to adaptive immune responses. Hum Vaccin Immunother 2019; 15:1317-1325. [PMID: 30964713 PMCID: PMC6663138 DOI: 10.1080/21645515.2019.1594132] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2018] [Revised: 02/13/2019] [Accepted: 02/27/2019] [Indexed: 02/07/2023] Open
Abstract
The enteropathogen, Shigella, is highly virulent and remarkably adjusted to the intestinal environment of its almost exclusive human host. Key for Shigella pathogenicity is the injection of virulence effectors into the host cell via its type three secretion system (T3SS), initiating disease onset and progression by the vast diversity of the secreted T3SS effectors and their respective cellular targets. The multifaceted modulation of host signaling pathways exerted by Shigella T3SS effectors, which include the subversion of host innate immune defenses and the promotion of intracellular bacterial survival and dissemination, have been extensively reviewed in the recent past. This review focuses on the human species specificity of Shigella by discussing some possible evasion mechanisms towards the human, but not non-human or rodent gut innate defense barrier, leading to the lack of a relevant animal infection model. In addition, subversion mechanisms of the adaptive immune response are highlighted summarizing research advances of the recent years. In particular, the new paradigm of Shigella pathogenicity constituted of invasion-independent T3SS effector-mediated targeting of activated, human lymphocytes is discussed. Along with consequences on vaccine development, these findings offer new directions for future research endeavors towards a better understanding of immunity to Shigella infection.
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Affiliation(s)
- Katja Brunner
- Molecular Microbial Pathogenesis Unit, Department of Cellular Biology of Infection, Institut Pasteur, Paris, France
- INSERM U1202, Paris, France
| | - Fatoumata Samassa
- Molecular Microbial Pathogenesis Unit, Department of Cellular Biology of Infection, Institut Pasteur, Paris, France
- INSERM U1202, Paris, France
| | - Philippe J. Sansonetti
- Molecular Microbial Pathogenesis Unit, Department of Cellular Biology of Infection, Institut Pasteur, Paris, France
- INSERM U1202, Paris, France
- Chaire de Microbiologie et Maladies Infectieuses, Collège de France, Paris, France
| | - Armelle Phalipon
- Molecular Microbial Pathogenesis Unit, Department of Cellular Biology of Infection, Institut Pasteur, Paris, France
- INSERM U1202, Paris, France
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Yamamoto Y, Tamiya S, Shibuya M, Nakase I, Yoshioka Y. Peptides with the multibasic cleavage site of the hemagglutinin from highly pathogenic influenza viruses act as cell-penetrating via binding to heparan sulfate and neuropilins. Biochem Biophys Res Commun 2019; 512:453-459. [PMID: 30904159 DOI: 10.1016/j.bbrc.2019.03.068] [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] [Received: 03/05/2019] [Accepted: 03/12/2019] [Indexed: 01/03/2023]
Abstract
Cell-penetrating peptides (CPPs) show promise as an attractive delivery vehicle for therapeutic molecules-including nucleic acids, peptides, proteins, and even particulates-into several cell types. It is important to identify new CPPs and select the optimal CPP for each application, because CPPs differ in their internalized efficiency and internalization mechanisms. Here, we identified new CPPs derived from the peptides with the hemagglutinin cleavage site (pHACS) of highly pathogenic influenza viruses. We compared the potential of peptides from the pHACS of four subtypes of influenza A virus (H1, H3, H5, and H7) and an influenza B virus (H1-pHACS, H3-pHACS, H5-pHACS, H7-pHACS, and B-pHACS, respectively) to serve as CPPs. H5-pHACS and H7-pHACS, but not the other peptides, bound to mouse dendritic cells and human epithelial cells and were internalized efficiently into these cells. H5-pHACS and H7-pHACS required glycosaminoglycans, especially heparan sulfate and neuropilins, to bind to the cells. In addition, we designed a mutant H7-pHACS with superior cell-binding capability by changing a single amino acid. Furthermore, when conjugated with antigen, H5-pHACS and H7-pHACS induced antigen-specific antibody responses, demonstrating the usefulness of this antigen-delivery vehicle. Our results will improve our understanding of the mechanisms of CPPs and facilitate the development of novel drug-delivery vehicles designed to improve therapeutic efficacy.
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Affiliation(s)
- Yasuyuki Yamamoto
- Vaccine Creation Project, BIKEN Innovative Vaccine Research Alliance Laboratories, Research Institute for Microbial Diseases, Osaka University, 3-1 Yamadaoka, Suita, Osaka, 565-0871, Japan; BIKEN Center for Innovative Vaccine Research and Development, The Research Foundation for Microbial Diseases of Osaka University, 3-1 Yamadaoka, Suita, Osaka, 565-0871, Japan
| | - Shigeyuki Tamiya
- Vaccine Creation Project, BIKEN Innovative Vaccine Research Alliance Laboratories, Research Institute for Microbial Diseases, Osaka University, 3-1 Yamadaoka, Suita, Osaka, 565-0871, Japan; Laboratory of Nano-design for Innovative Drug Development, Graduate School of Pharmaceutical Sciences, Osaka University, 1-6 Yamadaoka, Suita, Osaka, 565-0871, Japan
| | - Meito Shibuya
- Vaccine Creation Project, BIKEN Innovative Vaccine Research Alliance Laboratories, Research Institute for Microbial Diseases, Osaka University, 3-1 Yamadaoka, Suita, Osaka, 565-0871, Japan; Laboratory of Nano-design for Innovative Drug Development, Graduate School of Pharmaceutical Sciences, Osaka University, 1-6 Yamadaoka, Suita, Osaka, 565-0871, Japan
| | - Ikuhiko Nakase
- Laboratory for Cellular Regulation Chemistry, Department of Biological Science, Graduate School of Science, Osaka Prefecture University, 1-2, Gakuen-cho, Naka-ku, Sakai, Osaka, 599-8570, Japan
| | - Yasuo Yoshioka
- Vaccine Creation Project, BIKEN Innovative Vaccine Research Alliance Laboratories, Research Institute for Microbial Diseases, Osaka University, 3-1 Yamadaoka, Suita, Osaka, 565-0871, Japan; BIKEN Center for Innovative Vaccine Research and Development, The Research Foundation for Microbial Diseases of Osaka University, 3-1 Yamadaoka, Suita, Osaka, 565-0871, Japan; Laboratory of Nano-design for Innovative Drug Development, Graduate School of Pharmaceutical Sciences, Osaka University, 1-6 Yamadaoka, Suita, Osaka, 565-0871, Japan; Global Center for Medical Engineering and Informatics, Osaka University, 3-1 Yamadaoka, Suita, Osaka, 565-0871, Japan.
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A post-translational modification of human Norovirus capsid protein attenuates glycan binding. Nat Commun 2019; 10:1320. [PMID: 30899001 PMCID: PMC6428809 DOI: 10.1038/s41467-019-09251-5] [Citation(s) in RCA: 40] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2018] [Accepted: 02/27/2019] [Indexed: 01/06/2023] Open
Abstract
Attachment of human noroviruses to histo blood group antigens (HBGAs) is essential for infection, but how this binding event promotes the infection of host cells is unknown. Here, we employ protein NMR experiments supported by mass spectrometry and crystallography to study HBGA binding to the P-domain of a prevalent virus strain (GII.4). We report a highly selective transformation of asparagine 373, located in an antigenic loop adjoining the HBGA binding site, into an iso-aspartate residue. This spontaneous post-translational modification (PTM) proceeds with an estimated half-life of a few days at physiological temperatures, independent of the presence of HBGAs but dramatically affecting HBGA recognition. Sequence conservation and the surface-exposed position of this PTM suggest an important role in infection and immune recognition for many norovirus strains. Attachment of human noroviruses to histo blood group antigens (HBGAs) is essential for infection. Here the authors report that an asparagine residue located near the HBGA-attachment site can convert into an iso-aspartate residue through spontaneous deamidation and influence HBGA recognition.
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Lu G, Crihfield CL, Gattu S, Veltri LM, Holland LA. Capillary Electrophoresis Separations of Glycans. Chem Rev 2018; 118:7867-7885. [PMID: 29528644 PMCID: PMC6135675 DOI: 10.1021/acs.chemrev.7b00669] [Citation(s) in RCA: 96] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2017] [Indexed: 01/04/2023]
Abstract
Capillary electrophoresis has emerged as a powerful approach for carbohydrate analyses since 2014. The method provides high resolution capable of separating carbohydrates by charge-to-size ratio. Principle applications are heavily focused on N-glycans, which are highly relevant to biological therapeutics and biomarker research. Advances in techniques used for N-glycan structural identification include migration time indexing and exoglycosidase and lectin profiling, as well as mass spectrometry. Capillary electrophoresis methods have been developed that are capable of separating glycans with the same monosaccharide sequence but different positional isomers, as well as determining whether monosaccharides composing a glycan are alpha or beta linked. Significant applications of capillary electrophoresis to the analyses of N-glycans in biomarker discovery and biological therapeutics are emphasized with a brief discussion included on carbohydrate analyses of glycosaminoglycans and mono-, di-, and oligosaccharides relevant to food and plant products. Innovative, emerging techniques in the field are highlighted and the future direction of the technology is projected based on the significant contributions of capillary electrophoresis to glycoscience from 2014 to the present as discussed in this review.
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Affiliation(s)
- Grace Lu
- C. Eugene Bennett Department of Chemistry, West Virginia University, Morgantown, West Virginia 26506, United States
| | - Cassandra L. Crihfield
- C. Eugene Bennett Department of Chemistry, West Virginia University, Morgantown, West Virginia 26506, United States
| | - Srikanth Gattu
- C. Eugene Bennett Department of Chemistry, West Virginia University, Morgantown, West Virginia 26506, United States
| | - Lindsay M. Veltri
- C. Eugene Bennett Department of Chemistry, West Virginia University, Morgantown, West Virginia 26506, United States
| | - Lisa A. Holland
- C. Eugene Bennett Department of Chemistry, West Virginia University, Morgantown, West Virginia 26506, United States
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Taube S, Mallagaray A, Peters T. Norovirus, glycans and attachment. Curr Opin Virol 2018; 31:33-42. [DOI: 10.1016/j.coviro.2018.04.007] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2018] [Revised: 04/23/2018] [Accepted: 04/26/2018] [Indexed: 10/16/2022]
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21
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Wegener H, Mallagaray Á, Schöne T, Peters T, Lockhauserbäumer J, Yan H, Uetrecht C, Hansman GS, Taube S. Human norovirus GII.4(MI001) P dimer binds fucosylated and sialylated carbohydrates. Glycobiology 2018; 27:1027-1037. [PMID: 28973640 DOI: 10.1093/glycob/cwx078] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2017] [Accepted: 08/29/2017] [Indexed: 12/23/2022] Open
Abstract
Human noroviruses (HuNoV), members of the family Caliciviridae, are the major cause of acute viral gastroenteritis worldwide. Successful infection is linked to the ability of the protruding (P) domain of the viral capsid to bind histo-blood group antigens (HBGA). Binding to gangliosides plays a major role for many nonhuman calici- and noroviruses. Increasing evidence points to a broader role of sialylated carbohydrates such as gangliosides in norovirus infection. Here, we compare HBGA and ganglioside binding of a GII.4 HuNoV variant (MI001), previously shown to be infectious in a HuNoV mouse model. Saturation transfer difference nuclear magnetic resonance spectroscopy, native mass spectrometry (MS) and surface plasmon resonance spectroscopy were used to characterize binding epitopes, affinities, stoichiometry and dynamics, focusing on 3'-sialyllactose, the GM3 ganglioside saccharide and B antigen. Binding was observed for 3'-sialyllactose and various HBGAs following a multistep binding process. Intrinsic affinities (Kd) of fucose, 3'-sialyllactose and B antigen were determined for the individual binding steps. Stronger affinities were observed for B antigen over 3'-sialyllactose and fucose, which bound in the mM range. Binding stoichiometry was analyzed by native MS showing the presence of four B antigens or two 3'-sialyllactose in the complex. Epitope mapping of 3'-sialyllactose revealed direct interaction of α2,3-linked sialic acid with the P domain. The ability of HuNoV to engage multiple carbohydrates emphasizes the multivalent nature of norovirus glycan-specificity. Our findings reveal direct binding of a GII.4 HuNoV P dimer to α2,3-linked sialic acid and support a broader role of ganglioside binding in norovirus infection.
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Affiliation(s)
- Henrik Wegener
- University of Lübeck, Institute of Virology and Cell Biology,Ratzeburger Allee 160, 23562 Lübeck, Germany
| | - Álvaro Mallagaray
- University of Lübeck, Institute of Chemistry,Ratzeburger Allee 160, 23562 Lübeck, Germany
| | - Tobias Schöne
- University of Lübeck, Institute of Chemistry,Ratzeburger Allee 160, 23562 Lübeck, Germany
| | - Thomas Peters
- University of Lübeck, Institute of Chemistry,Ratzeburger Allee 160, 23562 Lübeck, Germany
| | - Julia Lockhauserbäumer
- Heinrich Pette Institute, Leibniz Institute for Experimental Virology,Martinistrasse 52, 20251 Hamburg, Germany
| | - Hao Yan
- Heinrich Pette Institute, Leibniz Institute for Experimental Virology,Martinistrasse 52, 20251 Hamburg, Germany
| | - Charlotte Uetrecht
- Heinrich Pette Institute, Leibniz Institute for Experimental Virology, Martinistrasse 52, 20251 Hamburg, Germany
- European XFEL GmbH, Holzkoppel 4, 22869 Schenefeld, Germany
| | - Grant S Hansman
- German Cancer Research Center (DKFZ), CHS Foundation at the University of Heidelberg, Im Neuenheimer Feld 242, 69120 Heidelberg, Germany
| | - Stefan Taube
- University of Lübeck, Institute of Virology and Cell Biology,Ratzeburger Allee 160, 23562 Lübeck, Germany
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Abstract
Direct interactions between bacterial and host glycans have been recently reported to be involved in the binding of pathogenic bacteria to host cells. In the case of Shigella, the Gram-negative enteroinvasive bacterium responsible for acute rectocolitis, such interactions contribute to bacterial adherence to epithelial cells. However, the role of glycans in the tropism of Shigella for immune cells whose glycosylation pattern varies depending on their activation state is unknown. We previously reported that Shigella targets activated, but not nonactivated, human CD4+ T lymphocytes. Here, we show that nonactivated CD4+ T lymphocytes can be turned into Shigella-targetable cells upon loading of their plasma membrane with sialylated glycosphingolipids (also termed gangliosides). The Shigella targeting profile of ganglioside-loaded nonactivated T cells is similar to that of activated T cells, with a predominance of injection of effectors from the type III secretion system (T3SS) not resulting in cell invasion. We demonstrate that gangliosides interact with the O-antigen polysaccharide moiety of lipopolysaccharide (LPS), the major bacterial surface antigen, thus promoting Shigella binding to CD4+ T cells. This binding step is critical for the subsequent injection of T3SS effectors, a step which we univocally demonstrate to be dependent on actin polymerization. Altogether, these findings highlight the critical role of glycan-glycan interactions in Shigella pathogenesis. Glycosylation of host cell surface varies with species and location in the body, thus contributing to species specificity and tropism of microorganisms. Cross talk by Shigella, the Gram-negative enteroinvasive bacterium responsible for bacillary dysentery, with its exclusively human host has been extensively studied. However, the molecular determinants of the step of binding to host cells are poorly defined. Taking advantage of the observation that human-activated CD4+ T lymphocytes, but not nonactivated cells, are targets of Shigella, we succeeded in rendering the refractory cells susceptible to targeting upon loading of their plasma membrane with sialylated glycosphingolipids (gangliosides) that are abundantly present on activated cells. We show that interactions between the sugar polar part of gangliosides and the polysaccharide moiety of Shigella lipopolysaccharide (LPS) promote bacterial binding, which results in the injection of effectors via the type III secretion system. Whereas LPS interaction with gangliosides was proposed long ago and recently extended to a large variety of glycans, our findings reveal that such glycan-glycan interactions are critical for Shigella pathogenesis by driving selective interactions with host cells, including immune cells.
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