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Li Y, Xu S, Ye Q, Chi H, Guo Z, Chen J, Wu M, Fan B, Li B, Qin C, Liu Z. Rational Development of Hypervalent Glycan Shield-Binding Nanoparticles with Broad-Spectrum Inhibition against Fatal Viruses Including SARS-CoV-2 Variants. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2023; 10:e2202689. [PMID: 36377484 PMCID: PMC9839850 DOI: 10.1002/advs.202202689] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/08/2022] [Revised: 09/22/2022] [Indexed: 05/31/2023]
Abstract
Infectious virus diseases, particularly coronavirus disease 2019, have posed a severe threat to public health, whereas the developed therapeutic and prophylactic strategies are seriously challenged by viral evolution and mutation. Therefore, broad-spectrum inhibitors of viruses are highly demanded. Herein, an unprecedented antiviral strategy is reported, targeting the viral glycan shields with hypervalent mannose-binding nanoparticles. The nanoparticles exhibit a unique double-punch mechanism, being capable of not only blocking the virus-receptor interaction but also inducing viral aggregation, thereby allowing for inhibiting the virus entry and facilitating the phagocytosis of viruses. The nanoparticles exhibit potent and broad-spectrum antiviral efficacy to multiple pseudoviruses, including severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) and its major variants (D614G, N501Y, N439K, Δ69-70, Delta, and Omicron; lentiviruses expressing only the spike proteins), as well as other vital viruses (human immunodeficiency virus 1 and Lassa virus), with apparent EC50 values around the 10-9 m level. Significantly, the broad-spectrum inhibition of authentic viruses of both wild-type SARS-CoV-2 and Delta variants is confirmed. Therefore, this hypervalent glycan-shield targeting strategy opens new access to broad-spectrum viral inhibition.
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Affiliation(s)
- Ying Li
- State Key Laboratory of Analytical Chemistry for Life ScienceSchool of Chemistry and Chemical EngineeringNanjing UniversityNanjing210023P. R. China
| | - Shuxin Xu
- State Key Laboratory of Analytical Chemistry for Life ScienceSchool of Chemistry and Chemical EngineeringNanjing UniversityNanjing210023P. R. China
| | - Qing Ye
- Department of VirologyState Key Laboratory of Pathogen and BiosecurityBeijing Institute of Microbiology and EpidemiologyAMMSBeijing100071P. R. China
| | - Hang Chi
- Department of VirologyState Key Laboratory of Pathogen and BiosecurityBeijing Institute of Microbiology and EpidemiologyAMMSBeijing100071P. R. China
| | - Zhanchen Guo
- State Key Laboratory of Analytical Chemistry for Life ScienceSchool of Chemistry and Chemical EngineeringNanjing UniversityNanjing210023P. R. China
| | - Jingran Chen
- State Key Laboratory of Analytical Chemistry for Life ScienceSchool of Chemistry and Chemical EngineeringNanjing UniversityNanjing210023P. R. China
| | - Mei Wu
- Department of VirologyState Key Laboratory of Pathogen and BiosecurityBeijing Institute of Microbiology and EpidemiologyAMMSBeijing100071P. R. China
| | - Baochao Fan
- Institute of Veterinary MedicineJiangsu Academy of Agricultural Sciences, Key Laboratory of Veterinary Biological Engineering and Technology, Ministry of AgricultureNanjing210014P. R. China
| | - Bin Li
- Institute of Veterinary MedicineJiangsu Academy of Agricultural Sciences, Key Laboratory of Veterinary Biological Engineering and Technology, Ministry of AgricultureNanjing210014P. R. China
| | - Cheng‐Feng Qin
- Department of VirologyState Key Laboratory of Pathogen and BiosecurityBeijing Institute of Microbiology and EpidemiologyAMMSBeijing100071P. R. China
| | - Zhen Liu
- State Key Laboratory of Analytical Chemistry for Life ScienceSchool of Chemistry and Chemical EngineeringNanjing UniversityNanjing210023P. R. China
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Bojar D, Meche L, Meng G, Eng W, Smith DF, Cummings RD, Mahal LK. A Useful Guide to Lectin Binding: Machine-Learning Directed Annotation of 57 Unique Lectin Specificities. ACS Chem Biol 2022; 17:2993-3012. [PMID: 35084820 PMCID: PMC9679999 DOI: 10.1021/acschembio.1c00689] [Citation(s) in RCA: 87] [Impact Index Per Article: 43.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Glycans are critical to every facet of biology and medicine, from viral infections to embryogenesis. Tools to study glycans are rapidly evolving; however, the majority of our knowledge is deeply dependent on binding by glycan binding proteins (e.g., lectins). The specificities of lectins, which are often naturally isolated proteins, have not been well-defined, making it difficult to leverage their full potential for glycan analysis. Herein, we use a combination of machine learning algorithms and expert annotation to define lectin specificity for this important probe set. Our analysis uses comprehensive glycan microarray analysis of commercially available lectins we obtained using version 5.0 of the Consortium for Functional Glycomics glycan microarray (CFGv5). This data set was made public in 2011. We report the creation of this data set and its use in large-scale evaluation of lectin-glycan binding behaviors. Our motif analysis was performed by integrating 68 manually defined glycan features with systematic probing of computational rules for significant binding motifs using mono- and disaccharides and linkages. Combining machine learning with manual annotation, we create a detailed interpretation of glycan-binding specificity for 57 unique lectins, categorized by their major binding motifs: mannose, complex-type N-glycan, O-glycan, fucose, sialic acid and sulfate, GlcNAc and chitin, Gal and LacNAc, and GalNAc. Our work provides fresh insights into the complex binding features of commercially available lectins in current use, providing a critical guide to these important reagents.
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Affiliation(s)
- Daniel Bojar
- Department
of Chemistry and Molecular Biology and Wallenberg Centre for Molecular
and Translational Medicine, University of
Gothenburg, Gothenburg, Sweden 405 30
| | - Lawrence Meche
- Biomedical
Chemistry Institute, Department of Chemistry, New York University, 100 Washington Square East, Room 1001, New
York, New York 10003, United States
| | - Guanmin Meng
- Department
of Chemistry, University of Alberta, Edmonton, Canada, T6G 2G2
| | - William Eng
- Biomedical
Chemistry Institute, Department of Chemistry, New York University, 100 Washington Square East, Room 1001, New
York, New York 10003, United States
| | - David F. Smith
- Department
of Biochemistry, Glycomics Center, School of Medicine, Emory University, Atlanta, Georgia 30322, United States
| | - Richard D. Cummings
- Department
of Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts 02115, United States
| | - Lara K. Mahal
- Biomedical
Chemistry Institute, Department of Chemistry, New York University, 100 Washington Square East, Room 1001, New
York, New York 10003, United States,Department
of Chemistry, University of Alberta, Edmonton, Canada, T6G 2G2,E-mail:
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3
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Cao X, Wang S, Gadi MR, Liu D, Wang PG, Wan XF, Zhang J, Chen X, Pepi LE, Azadi P, Li L. Systematic synthesis of bisected N-glycans and unique recognitions by glycan-binding proteins. Chem Sci 2022; 13:7644-7656. [PMID: 35872821 PMCID: PMC9241959 DOI: 10.1039/d1sc05435j] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2021] [Accepted: 05/29/2022] [Indexed: 12/13/2022] Open
Abstract
Bisected N-glycans represent a unique class of protein N-glycans that play critical roles in many biological processes. Herein, we describe the systematic synthesis of these structures. A bisected N-glycan hexasaccharide was chemically assembled with two orthogonal protecting groups attached at the C2 of the branching mannose residues, followed by sequential installation of GlcNAc and LacNAc building blocks to afford two asymmetric bisecting "cores". Subsequent enzymatic modular extension of the "cores" yielded a comprehensive library of biantennary N-glycans containing the bisecting GlcNAc and presenting 6 common glycan determinants in a combinatorial fashion. These bisected N-glycans and their non-bisected counterparts were used to construct a distinctive glycan microarray to study their recognition by a wide variety of glycan-binding proteins (GBPs), including plant lectins, animal lectins, and influenza A virus hemagglutinins. Significantly, the bisecting GlcNAc could bestow (PHA-L, rDCIR2), enhance (PHA-E), or abolish (ConA, GNL, anti-CD15s antibody, etc.) N-glycan recognition of specific GBPs, and is tolerated by many others. In summary, synthesized compounds and the unique glycan microarray provide ideal standards and tools for glycoanalysis and functional glycomic studies. The microarray data provide new information regarding the fine details of N-glycan recognition by GBPs, and in turn improve their applications.
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Affiliation(s)
- Xuefeng Cao
- Department of Chemistry, Georgia State UniversityAtlantaGAUSA
| | - Shuaishuai Wang
- Department of Chemistry, Georgia State UniversityAtlantaGAUSA
| | | | - Ding Liu
- Department of Chemistry, Georgia State UniversityAtlantaGAUSA
| | - Peng G. Wang
- Department of Chemistry, Georgia State UniversityAtlantaGAUSA
| | - Xiu-Feng Wan
- MU Center for Research on Influenza Systems Biology (CRISB), University of MissouriColumbiaMOUSA,Department of Molecular Microbiology and Immunology, School of Medicine, University of MissouriColumbiaMOUSA,Bond Life Sciences Center, University of MissouriColumbiaMOUSA,Department of Electrical Engineering & Computer Science, College of Engineering, University of MissouriColumbiaMOUSA
| | | | - Xi Chen
- Department of Chemistry, University of CaliforniaOne Shields AvenueDavisCAUSA
| | - Lauren E. Pepi
- Complex Carbohydrate Research Center, University of GeorgiaAthensGAUSA
| | - Parastoo Azadi
- Complex Carbohydrate Research Center, University of GeorgiaAthensGAUSA
| | - Lei Li
- Department of Chemistry, Georgia State UniversityAtlantaGAUSA
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Man-Specific Lectins from Plants, Fungi, Algae and Cyanobacteria, as Potential Blockers for SARS-CoV, MERS-CoV and SARS-CoV-2 (COVID-19) Coronaviruses: Biomedical Perspectives. Cells 2021; 10:cells10071619. [PMID: 34203435 PMCID: PMC8305077 DOI: 10.3390/cells10071619] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2021] [Revised: 06/06/2021] [Accepted: 06/25/2021] [Indexed: 12/18/2022] Open
Abstract
Betacoronaviruses, responsible for the “Severe Acute Respiratory Syndrome” (SARS) and the “Middle East Respiratory Syndrome” (MERS), use the spikes protruding from the virion envelope to attach and subsequently infect the host cells. The coronavirus spike (S) proteins contain receptor binding domains (RBD), allowing the specific recognition of either the dipeptidyl peptidase CD23 (MERS-CoV) or the angiotensin-converting enzyme ACE2 (SARS-Cov, SARS-CoV-2) host cell receptors. The heavily glycosylated S protein includes both complex and high-mannose type N-glycans that are well exposed at the surface of the spikes. A detailed analysis of the carbohydrate-binding specificity of mannose-binding lectins from plants, algae, fungi, and bacteria, revealed that, depending on their origin, they preferentially recognize either complex type N-glycans, or high-mannose type N-glycans. Since both complex and high-mannose glycans substantially decorate the S proteins, mannose-specific lectins are potentially useful glycan probes for targeting the SARS-CoV, MERS-CoV, and SARS-CoV-2 virions. Mannose-binding legume lectins, like pea lectin, and monocot mannose-binding lectins, like snowdrop lectin or the algal lectin griffithsin, which specifically recognize complex N-glycans and high-mannose glycans, respectively, are particularly adapted for targeting coronaviruses. The biomedical prospects of targeting coronaviruses with mannose-specific lectins are wide-ranging including detection, immobilization, prevention, and control of coronavirus infection.
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5
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Covés-Datson EM, King SR, Legendre M, Swanson MD, Gupta A, Claes S, Meagher JL, Boonen A, Zhang L, Kalveram B, Raglow Z, Freiberg AN, Prichard M, Stuckey JA, Schols D, Markovitz DM. Targeted disruption of pi-pi stacking in Malaysian banana lectin reduces mitogenicity while preserving antiviral activity. Sci Rep 2021; 11:656. [PMID: 33436903 PMCID: PMC7804308 DOI: 10.1038/s41598-020-80577-7] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2020] [Accepted: 12/21/2020] [Indexed: 11/23/2022] Open
Abstract
Lectins, carbohydrate-binding proteins, have been regarded as potential antiviral agents, as some can bind glycans on viral surface glycoproteins and inactivate their functions. However, clinical development of lectins has been stalled by the mitogenicity of many of these proteins, which is the ability to stimulate deleterious proliferation, especially of immune cells. We previously demonstrated that the mitogenic and antiviral activities of a lectin (banana lectin, BanLec) can be separated via a single amino acid mutation, histidine to threonine at position 84 (H84T), within the third Greek key. The resulting lectin, H84T BanLec, is virtually non-mitogenic but retains antiviral activity. Decreased mitogenicity was associated with disruption of pi-pi stacking between two aromatic amino acids. To examine whether we could provide further proof-of-principle of the ability to separate these two distinct lectin functions, we identified another lectin, Malaysian banana lectin (Malay BanLec), with similar structural features as BanLec, including pi-pi stacking, but with only 63% amino acid identity, and showed that it is both mitogenic and potently antiviral. We then engineered an F84T mutation expected to disrupt pi-pi stacking, analogous to H84T. As predicted, F84T Malay BanLec (F84T) was less mitogenic than wild type. However, F84T maintained strong antiviral activity and inhibited replication of HIV, Ebola, and other viruses. The F84T mutation disrupted pi-pi stacking without disrupting the overall lectin structure. These findings show that pi-pi stacking in the third Greek key is a conserved mitogenic motif in these two jacalin-related lectins BanLec and Malay BanLec, and further highlight the potential to rationally engineer antiviral lectins for therapeutic purposes.
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Affiliation(s)
- Evelyn M Covés-Datson
- Medical Scientist Training Program, University of Michigan, Ann Arbor, MI, 48109, USA
- Department of Microbiology and Immunology, University of Michigan, Ann Arbor, MI, 48109, USA
| | - Steven R King
- Division of Infectious Diseases, Department of Internal Medicine, University of Michigan, Ann Arbor, MI, 48109, USA
| | - Maureen Legendre
- Division of Infectious Diseases, Department of Internal Medicine, University of Michigan, Ann Arbor, MI, 48109, USA
| | - Michael D Swanson
- Graduate Program in Immunology, University of Michigan, Ann Arbor, MI, 48109, USA
- Predictive and Clinical Immunogenicity, Merck and Co., Inc, Kenilworth, NJ, 07033, USA
| | - Auroni Gupta
- Division of Infectious Diseases, Department of Internal Medicine, University of Michigan, Ann Arbor, MI, 48109, USA
| | - Sandra Claes
- Laboratory of Virology and Chemotherapy, Rega Institute for Medical Research, University of Leuven, 3000, Leuven, Belgium
| | - Jennifer L Meagher
- Life Sciences Institute, University of Michigan, Ann Arbor, MI, 48109, USA
| | - Arnaud Boonen
- Laboratory of Virology and Chemotherapy, Rega Institute for Medical Research, University of Leuven, 3000, Leuven, Belgium
| | - Lihong Zhang
- Department of Pathology, University of Texas Medical Branch, Galveston, TX, 77555, USA
| | - Birte Kalveram
- Department of Pathology, University of Texas Medical Branch, Galveston, TX, 77555, USA
| | - Zoe Raglow
- Division of Infectious Diseases, Department of Internal Medicine, University of Michigan, Ann Arbor, MI, 48109, USA
| | - Alexander N Freiberg
- Department of Pathology, University of Texas Medical Branch, Galveston, TX, 77555, USA
| | - Mark Prichard
- University of Alabama Health Services Foundation Diagnostic Virology Laboratory, University of Alabama, Birmingham, AL, 35294, USA
| | - Jeanne A Stuckey
- Life Sciences Institute, University of Michigan, Ann Arbor, MI, 48109, USA
- Department of Biological Chemistry, University of Michigan, Ann Arbor, MI, 48109, USA
| | - Dominique Schols
- Laboratory of Virology and Chemotherapy, Rega Institute for Medical Research, University of Leuven, 3000, Leuven, Belgium
| | - David M Markovitz
- Division of Infectious Diseases, Department of Internal Medicine, University of Michigan, Ann Arbor, MI, 48109, USA.
- Graduate Program in Immunology, University of Michigan, Ann Arbor, MI, 48109, USA.
- Cellular and Molecular Biology Program, University of Michigan, Ann Arbor, MI, 48109, USA.
- Cancer Biology Program, University of Michigan, Ann Arbor, MI, 48109, USA.
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6
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Dang K, Zhang W, Jiang S, Lin X, Qian A. Application of Lectin Microarrays for Biomarker Discovery. ChemistryOpen 2020; 9:285-300. [PMID: 32154049 PMCID: PMC7050261 DOI: 10.1002/open.201900326] [Citation(s) in RCA: 47] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2019] [Revised: 02/05/2020] [Indexed: 12/12/2022] Open
Abstract
Many proteins in living organisms are glycosylated. As their glycan patterns exhibit protein-, cell-, and tissue-specific heterogeneity, changes in the glycosylation levels could serve as useful indicators of various pathological and physiological states. Thus, the identification of glycoprotein biomarkers from specific changes in the glycan profiles of glycoproteins is a trending field. Lectin microarrays provide a new glycan analysis platform, which enables rapid and sensitive analysis of complex glycans without requiring the release of glycans from the protein. Recent developments in lectin microarray technology enable high-throughput analysis of glycans in complex biological samples. In this review, we will discuss the basic concepts and recent progress in lectin microarray technology, the application of lectin microarrays in biomarker discovery, and the challenges and future development of this technology. Given the tremendous technical advancements that have been made, lectin microarrays will become an indispensable tool for the discovery of glycoprotein biomarkers.
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Affiliation(s)
- Kai Dang
- Laboratory for Bone Metabolism, Xi'an Key Laboratory of Special Medicine and Health Engineering, Key Laboratory for Space Biosciences and Biotechnology, Research Center for Special Medicine and Health Systems Engineering, NPU-UAB Joint Laboratory for Bone Metabolism, School of Life SciencesNorthwestern Polytechnical UniversityXi'an710072, ShaanxiChina
| | - Wenjuan Zhang
- Laboratory for Bone Metabolism, Xi'an Key Laboratory of Special Medicine and Health Engineering, Key Laboratory for Space Biosciences and Biotechnology, Research Center for Special Medicine and Health Systems Engineering, NPU-UAB Joint Laboratory for Bone Metabolism, School of Life SciencesNorthwestern Polytechnical UniversityXi'an710072, ShaanxiChina
| | - Shanfeng Jiang
- Laboratory for Bone Metabolism, Xi'an Key Laboratory of Special Medicine and Health Engineering, Key Laboratory for Space Biosciences and Biotechnology, Research Center for Special Medicine and Health Systems Engineering, NPU-UAB Joint Laboratory for Bone Metabolism, School of Life SciencesNorthwestern Polytechnical UniversityXi'an710072, ShaanxiChina
| | - Xiao Lin
- Laboratory for Bone Metabolism, Xi'an Key Laboratory of Special Medicine and Health Engineering, Key Laboratory for Space Biosciences and Biotechnology, Research Center for Special Medicine and Health Systems Engineering, NPU-UAB Joint Laboratory for Bone Metabolism, School of Life SciencesNorthwestern Polytechnical UniversityXi'an710072, ShaanxiChina
| | - Airong Qian
- Laboratory for Bone Metabolism, Xi'an Key Laboratory of Special Medicine and Health Engineering, Key Laboratory for Space Biosciences and Biotechnology, Research Center for Special Medicine and Health Systems Engineering, NPU-UAB Joint Laboratory for Bone Metabolism, School of Life SciencesNorthwestern Polytechnical UniversityXi'an710072, ShaanxiChina
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7
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Glycan Binding Profiling of Jacalin-Related Lectins from the Pteria Penguin Pearl Shell. Int J Mol Sci 2019; 20:ijms20184629. [PMID: 31540487 PMCID: PMC6769917 DOI: 10.3390/ijms20184629] [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: 08/21/2019] [Revised: 09/14/2019] [Accepted: 09/15/2019] [Indexed: 11/25/2022] Open
Abstract
We determined the primary structures of jacalin-related lectins termed PPL3s (PPL3A, 3B, and 3C, which are dimers consisting of sequence variants α + α, α + β, β + β, respectively) and PPL4, which is heterodimer consisting of α + β subunits, isolated from mantle secretory fluid of Pteria penguin (Mabe) pearl shell. Their carbohydrate-binding properties were analyzed, in addition to that of PPL2A, which was previously reported as a matrix protein. PPL3s and PPL4 shared only 35–50% homology to PPL2A, respectively; they exhibited significantly different carbohydrate-binding specificities based on the multiple glycan binding profiling data sets from frontal affinity chromatography analysis. The carbohydrate-binding specificity of PPL3s was similar to that of PPL2A, except only for Man3Fuc1Xyl1GlcNAc2 oligosaccharide, while PPL4 showed different carbohydrate-binding specificity compared with PPL2A and PPL3s. PPL2A and PPL3s mainly recognize agalactosylated- and galactosylated-type glycans. On the other hand, PPL4 binds to high-mannose-and hybrid-type N-linked glycans but not agalactosylated- and galactosylated-type glycans.
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8
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Feeney S, Gerlach JQ, Slattery H, Kilcoyne M, Hickey RM, Joshi L. Lectin microarray profiling and monosaccharide analysis of bovine milk immunoglobulin G oligosaccharides during the first 10 days of lactation. Food Sci Nutr 2019; 7:1564-1572. [PMID: 31139369 PMCID: PMC6526632 DOI: 10.1002/fsn3.950] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2018] [Revised: 01/06/2019] [Accepted: 01/08/2019] [Indexed: 12/27/2022] Open
Abstract
Immunoglobulin G (IgG) in bovine milk is credited with ensuring efficient passive immunity for newborn calves. Bovine milk IgG glycosylation may also have positive impacts on the health of nonbovine consumers of cow's milk. Milk IgG's glycosylation contributes to effector function and may also protect it from protease digestion, allowing IgG to reach the intestine for absorption. However, relatively little is known about changes in milk IgG oligosaccharide presentation and composition over early lactation. In this work, IgG was isolated from milk pooled from three cows at four time points over the first 10 days of lactation postparturition. Purified IgG was labeled with a fluorescent dye and interrogated with a microarray consisting of 48 carbohydrate-binding proteins (lectins) from plant, fungal, and bacterial sources. Lectin microarray profiles suggested that only subtle changes in the glycosylation of IgG occurred during days 2 and 3 of lactation, but by day 10, the lectin profile diverged from the other three time points. Monosaccharide analysis carried out after hydrolysis confirmed that the ratios of oligosaccharide components remained relatively stable through day 3 and also that sialylation was substantially reduced by day 10. The differences that were observed for glycosylation suggest that different functionalities associated with IgG glycosylation may be required in the first days of life.
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Affiliation(s)
- Shane Feeney
- Teagasc Food Research CentreMooreparkFermoy, Co. CorkIreland
- Glycoscience GroupNational Centre for Biomedical Engineering ScienceNational University of Ireland GalwayGalwayIreland
| | - Jared Q. Gerlach
- Glycoscience GroupNational Centre for Biomedical Engineering ScienceNational University of Ireland GalwayGalwayIreland
| | - Helen Slattery
- Teagasc Food Research CentreMooreparkFermoy, Co. CorkIreland
| | - Michelle Kilcoyne
- Carbohydrate Signalling GroupDiscipline of MicrobiologySchool of Natural SciencesNational University of Ireland GalwayGalwayIreland
| | - Rita M. Hickey
- Teagasc Food Research CentreMooreparkFermoy, Co. CorkIreland
| | - Lokesh Joshi
- Glycoscience GroupNational Centre for Biomedical Engineering ScienceNational University of Ireland GalwayGalwayIreland
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Hobmaier BF, Lutterberg K, Kleinwort KJH, Mayer R, Hirmer S, Amann B, Hölzel C, Märtlbauer EP, Deeg CA. Characterization of plant lectins for their ability to isolate Mycobacterium avium subsp. paratuberculosis from milk. Food Microbiol 2019; 82:231-239. [PMID: 31027778 DOI: 10.1016/j.fm.2019.02.009] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2018] [Revised: 02/13/2019] [Accepted: 02/13/2019] [Indexed: 01/05/2023]
Affiliation(s)
- Bernhard F Hobmaier
- Chair of Animal Physiology, Department of Veterinary Sciences, LMU Munich, Veterinärstraße 13, D-80539, Munich, Germany
| | - Karina Lutterberg
- Chair of Animal Physiology, Department of Veterinary Sciences, LMU Munich, Veterinärstraße 13, D-80539, Munich, Germany
| | - Kristina J H Kleinwort
- Chair of Animal Physiology, Department of Veterinary Sciences, LMU Munich, Veterinärstraße 13, D-80539, Munich, Germany
| | - Ricarda Mayer
- Chair of Hygiene and Technology of Milk, Department of Veterinary Sciences, LMU Munich, Schönleutnerstr 8, D-85764, Oberschleißheim, Germany
| | - Sieglinde Hirmer
- Chair of Animal Physiology, Department of Veterinary Sciences, LMU Munich, Veterinärstraße 13, D-80539, Munich, Germany
| | - Barbara Amann
- Chair of Animal Physiology, Department of Veterinary Sciences, LMU Munich, Veterinärstraße 13, D-80539, Munich, Germany
| | - Christina Hölzel
- Chair of Hygiene and Technology of Milk, Department of Veterinary Sciences, LMU Munich, Schönleutnerstr 8, D-85764, Oberschleißheim, Germany; Institute of Animal Breeding and Husbandry, Faculty of Agricultural and Nutritional Sciences, CAU Kiel, Hermann-Rodewald-Str. 6, 24098 Kiel, Germany
| | - Erwin P Märtlbauer
- Chair of Hygiene and Technology of Milk, Department of Veterinary Sciences, LMU Munich, Schönleutnerstr 8, D-85764, Oberschleißheim, Germany
| | - Cornelia A Deeg
- Chair of Animal Physiology, Department of Veterinary Sciences, LMU Munich, Veterinärstraße 13, D-80539, Munich, Germany.
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10
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Azarkan M, Feller G, Vandenameele J, Herman R, El Mahyaoui R, Sauvage E, Vanden Broeck A, Matagne A, Charlier P, Kerff F. Biochemical and structural characterization of a mannose binding jacalin-related lectin with two-sugar binding sites from pineapple (Ananas comosus) stem. Sci Rep 2018; 8:11508. [PMID: 30065388 PMCID: PMC6068142 DOI: 10.1038/s41598-018-29439-x] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2018] [Accepted: 07/06/2018] [Indexed: 02/07/2023] Open
Abstract
A mannose binding jacalin-related lectin from Ananas comosus stem (AcmJRL) was purified and biochemically characterized. This lectin is homogeneous according to native, SDS-PAGE and N-terminal sequencing and the theoretical molecular mass was confirmed by ESI-Q-TOF-MS. AcmJRL was found homodimeric in solution by size-exclusion chromatography. Rat erythrocytes are agglutinated by AcmJRL while no agglutination activity is detected against rabbit and sheep erythrocytes. Hemagglutination activity was found more strongly inhibited by mannooligomannosides than by D-mannose. The carbohydrate-binding specificity of AcmJRL was determined in some detail by isothermal titration calorimetry. All sugars tested were found to bind with low affinity to AcmJRL, with Ka values in the mM range. In agreement with hemagglutination assays, the affinity increased from D-mannose to di-, tri- and penta-mannooligosaccharides. Moreover, the X-ray crystal structure of AcmJRL was obtained in an apo form as well as in complex with D-mannose and methyl-α-D-mannopyranoside, revealing two carbohydrate-binding sites per monomer similar to the banana lectin BanLec. The absence of a wall separating the two binding sites, the conformation of β7β8 loop and the hemagglutinating activity are reminiscent of the BanLec His84Thr mutant, which presents a strong anti-HIV activity in absence of mitogenic activity.
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Affiliation(s)
- Mohamed Azarkan
- Université Libre de Bruxelles, Faculty of Medicine, Protein Chemistry Unit, Campus Erasme (CP 609), 808 route de Lennik, 1070, Brussels, Belgium
| | - Georges Feller
- Laboratory of Biochemistry, Center for Protein Engineering-InBioS, Institute of Chemistry B6a, University of Liège, 4000, Liège, Belgium
| | - Julie Vandenameele
- Laboratory of Enzymology and Protein Folding, Centre for Protein Engineering-InBioS, Institut de Chimie B6, University of Liège, 4000, Liège, Belgium
| | - Raphaël Herman
- Laboratory of crystallography, Center for Protein Engineering-InBioS, B5a, University of Liège, 4000, Liège, Belgium
| | - Rachida El Mahyaoui
- Université Libre de Bruxelles, Faculty of Medicine, Protein Chemistry Unit, Campus Erasme (CP 609), 808 route de Lennik, 1070, Brussels, Belgium
| | - Eric Sauvage
- Laboratory of crystallography, Center for Protein Engineering-InBioS, B5a, University of Liège, 4000, Liège, Belgium
| | - Arnaud Vanden Broeck
- Laboratory of crystallography, Center for Protein Engineering-InBioS, B5a, University of Liège, 4000, Liège, Belgium
| | - André Matagne
- Laboratory of Enzymology and Protein Folding, Centre for Protein Engineering-InBioS, Institut de Chimie B6, University of Liège, 4000, Liège, Belgium
| | - Paulette Charlier
- Laboratory of crystallography, Center for Protein Engineering-InBioS, B5a, University of Liège, 4000, Liège, Belgium
| | - Frédéric Kerff
- Laboratory of crystallography, Center for Protein Engineering-InBioS, B5a, University of Liège, 4000, Liège, Belgium.
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11
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Iwaki J, Hirabayashi J. Carbohydrate-Binding Specificity of Human Galectins: An Overview by Frontal Affinity Chromatography. TRENDS GLYCOSCI GLYC 2018. [DOI: 10.4052/tigg.1728.1se] [Citation(s) in RCA: 40] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Affiliation(s)
- Jun Iwaki
- National Institute of Advanced Industrial Science and Technology
| | - Jun Hirabayashi
- National Institute of Advanced Industrial Science and Technology
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12
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Hanashima S, Suga A, Yamaguchi Y. Bisecting GlcNAc restricts conformations of branches in model N-glycans with GlcNAc termini. Carbohydr Res 2018; 456:53-60. [PMID: 29274553 DOI: 10.1016/j.carres.2017.12.002] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2017] [Accepted: 12/10/2017] [Indexed: 01/23/2023]
Abstract
Bisected N-glycans play significant roles in tumor migration and Alzheimer's disease through modulating the action and localization of their carrier proteins. Such biological functions are often discussed in terms of the conformation of the attached N-glycans with or without bisecting GlcNAc. To obtain insights into the effects of bisecting GlcNAc on glycan conformation, a systematic NMR structural analysis was performed on two pairs of synthetic N-glycans, with and without bisecting GlcNAc. The analysis reveals that terminal GlcNAcs and bisecting GlcNAc cooperate to restrict the conformations of both the α1-3 and α1-6 branches of N-glycans. 1H and 13C chemical shift comparisons suggest that bisecting GlcNAc directly modulates local conformation. Unique NOE correlations between core-mannose and the α1-3 branch mannose as well as the 3JC-H constant of the glycoside linkage indicate that bisecting GlcNAc restricts the conformation of the 1-3 branch. The angles of the glycosidic bonds between core-mannose and α1-6 branch mannose derived from 3JC-H and 3JH-H coupling constants show that terminal GlcNAcs restrict the distribution of the ψ angle to 180° and the bisecting GlcNAc increases the distribution of the ω angle +60° in the presence of terminal GlcNAcs. It is feasible that restriction of branch conformations by bisecting GlcNAc has important consequences for protein-glycan interplay and following biological events.
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Affiliation(s)
- Shinya Hanashima
- Structural Glycobiology Team, Systems Glycobiology Research Group, RIKEN-Max Planck Joint Research Center for Systems Chemical Biology, RIKEN Global Research Cluster, Wako, Saitama, 351-0198, Japan; Department of Chemistry, Graduate School of Science, Osaka University, 1-1 Machikaneyama, Toyonaka, Osaka, 560-0043, Japan
| | - Akitsugu Suga
- Structural Glycobiology Team, Systems Glycobiology Research Group, RIKEN-Max Planck Joint Research Center for Systems Chemical Biology, RIKEN Global Research Cluster, Wako, Saitama, 351-0198, Japan
| | - Yoshiki Yamaguchi
- Structural Glycobiology Team, Systems Glycobiology Research Group, RIKEN-Max Planck Joint Research Center for Systems Chemical Biology, RIKEN Global Research Cluster, Wako, Saitama, 351-0198, Japan.
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13
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Nagae M, Mishra SK, Hanashima S, Tateno H, Yamaguchi Y. Distinct roles for each N-glycan branch interacting with mannose-binding type Jacalin-related lectins Orysata and Calsepa. Glycobiology 2017; 27:1120-1133. [DOI: 10.1093/glycob/cwx081] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2017] [Accepted: 09/06/2017] [Indexed: 12/17/2022] Open
Affiliation(s)
- Masamichi Nagae
- Structural Glycobiology Team, Systems Glycobiology Research Group, RIKEN Global Research Cluster, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan
| | - Sushil K Mishra
- Structural Glycobiology Team, Systems Glycobiology Research Group, RIKEN Global Research Cluster, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan
| | - Shinya Hanashima
- Department of Chemistry, Osaka University, Machikaneyama, Toyonaka, Osaka 560-0043, Japan
| | - Hiroaki Tateno
- National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba Central 2, 1-1-1 Umezono, Tsukuba, Ibaraki 305-8568, Japan
| | - Yoshiki Yamaguchi
- Structural Glycobiology Team, Systems Glycobiology Research Group, RIKEN Global Research Cluster, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan
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14
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ArtinM Mediates Murine T Cell Activation and Induces Cell Death in Jurkat Human Leukemic T Cells. Int J Mol Sci 2017; 18:ijms18071400. [PMID: 28665310 PMCID: PMC5535893 DOI: 10.3390/ijms18071400] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2017] [Revised: 06/22/2017] [Accepted: 06/25/2017] [Indexed: 12/24/2022] Open
Abstract
The recognition of cell surface glycans by lectins may be critical for the innate and adaptive immune responses. ArtinM, a d-mannose-binding lectin from Artocarpus heterophyllus, activates antigen-presenting cells by recognizing TLR2 N-glycans and induces Th1 immunity. We recently demonstrated that ArtinM stimulated CD4+ T cells to produce proinflammatory cytokines. Here, we further studied the effects of ArtinM on adaptive immune cells. We showed that ArtinM activates murine CD4+ and CD8+ T cells, augmenting their positivity for CD25, CD69, and CD95 and showed higher interleukin (IL)-2 and interferon (IFN)-γ production. The CD4+ T cells exhibited increased T-bet expression in response to ArtinM, and IL-2 production by CD4+ and CD8+ T cells depended on the recognition of CD3εγ-chain glycans by ArtinM. The ArtinM effect on aberrantly-glycosylated neoplastic lymphocytes was studied in Jurkat T cells, in which ArtinM induced IL-2, IFN-γ, and IL-1β production, but decreased cell viability and growth. A higher frequency of AnnexinV- and propidium iodide-stained cells demonstrated the induction of Jurkat T cells apoptosis by ArtinM, and this apoptotic response was reduced by caspases and protein tyrosine kinase inhibitors. The ArtinM effects on murine T cells corroborated with the immunomodulatory property of lectin, whereas the promotion of Jurkat T cells apoptosis may reflect a potential applicability of ArtinM in novel strategies for treating lymphocytic leukemia.
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15
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Santos A, Bueno PR. Glycoprotein assay based on the optimized immittance signal of a redox tagged and lectin-based receptive interface. Biosens Bioelectron 2016; 83:368-78. [DOI: 10.1016/j.bios.2016.04.043] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2016] [Revised: 04/08/2016] [Accepted: 04/14/2016] [Indexed: 12/29/2022]
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16
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Unno H, Matsuyama K, Tsuji Y, Goda S, Hiemori K, Tateno H, Hirabayashi J, Hatakeyama T. Identification, Characterization, and X-ray Crystallographic Analysis of a Novel Type of Mannose-Specific Lectin CGL1 from the Pacific Oyster Crassostrea gigas. Sci Rep 2016; 6:29135. [PMID: 27377186 PMCID: PMC4932603 DOI: 10.1038/srep29135] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2016] [Accepted: 06/15/2016] [Indexed: 12/31/2022] Open
Abstract
A novel mannose-specific lectin, named CGL1 (15.5 kDa), was isolated from the oyster Crassostrea gigas. Characterization of CGL1 involved isothermal titration calorimetry (ITC), glycoconjugate microarray, and frontal affinity chromatography (FAC). This analysis revealed that CGL1 has strict specificity for the mannose monomer and for high mannose-type N-glycans (HMTGs). Primary structure of CGL1 did not show any homology with known lectins but did show homology with proteins of the natterin family. Crystal structure of the CGL1 revealed a unique homodimer in which each protomer was composed of 2 domains related by a pseudo two-fold axis. Complex structures of CGL1 with mannose molecules showed that residues have 8 hydrogen bond interactions with O1, O2, O3, O4, and O5 hydroxyl groups of mannose. The complex interactions that are not observed with other mannose-binding lectins revealed the structural basis for the strict specificity for mannose. These characteristics of CGL1 may be helpful as a research tool and for clinical applications.
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Affiliation(s)
- Hideaki Unno
- Graduate School of Engineering, Nagasaki University, 1-14 Bunkyo-machi, Nagasaki 852-8521, Japan
| | - Kazuki Matsuyama
- Graduate School of Engineering, Nagasaki University, 1-14 Bunkyo-machi, Nagasaki 852-8521, Japan
| | - Yoshiteru Tsuji
- Graduate School of Engineering, Nagasaki University, 1-14 Bunkyo-machi, Nagasaki 852-8521, Japan
| | - Shuichiro Goda
- Graduate School of Engineering, Nagasaki University, 1-14 Bunkyo-machi, Nagasaki 852-8521, Japan
| | - Keiko Hiemori
- Research Center for Medical Glycosciences, National Institute of Advanced Industrial Science and Technology, Tsukuba 305-8568, Japan
| | - Hiroaki Tateno
- Research Center for Medical Glycosciences, National Institute of Advanced Industrial Science and Technology, Tsukuba 305-8568, Japan
| | - Jun Hirabayashi
- Research Center for Medical Glycosciences, National Institute of Advanced Industrial Science and Technology, Tsukuba 305-8568, Japan
| | - Tomomitsu Hatakeyama
- Graduate School of Engineering, Nagasaki University, 1-14 Bunkyo-machi, Nagasaki 852-8521, Japan
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17
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Nagae M, Kanagawa M, Morita-Matsumoto K, Hanashima S, Kizuka Y, Taniguchi N, Yamaguchi Y. Atomic visualization of a flipped-back conformation of bisected glycans bound to specific lectins. Sci Rep 2016; 6:22973. [PMID: 26971576 PMCID: PMC4789653 DOI: 10.1038/srep22973] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2015] [Accepted: 02/23/2016] [Indexed: 11/09/2022] Open
Abstract
Glycans normally exist as a dynamic equilibrium of several conformations. A fundamental question concerns how such molecules bind lectins despite disadvantageous entropic loss upon binding. Bisected glycan, a glycan possessing bisecting N-acetylglucosamine (GlcNAc), is potentially a good model for investigating conformational dynamics and glycan-lectin interactions, owing to the unique ability of this sugar residue to alter conformer populations and thus modulate the biological activities. Here we analyzed bisected glycan in complex with two unrelated lectins, Calsepa and PHA-E. The crystal structures of the two complexes show a conspicuous flipped back glycan structure (designated 'back-fold' conformation), and solution NMR analysis also provides evidence of 'back-fold' glycan structure. Indeed, statistical conformational analysis of available bisected and non-bisected glycan structures suggests that bisecting GlcNAc restricts the conformations of branched structures. Restriction of glycan flexibility by certain sugar residues may be more common than previously thought and impinges on the mechanism of glycoform-dependent biological functions.
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Affiliation(s)
- Masamichi Nagae
- Structural Glycobiology Team, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan
| | - Mayumi Kanagawa
- Structural Glycobiology Team, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan
| | | | - Shinya Hanashima
- Department of Chemistry, Osaka University, Machikaneyama, Toyonaka, Osaka 560-0043, Japan
| | - Yasuhiko Kizuka
- Disease Glycomics Team, Systems Glycobiology Research Group, RIKEN-Max Planck Joint Research Center, RIKEN Global Research Cluster, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan
| | - Naoyuki Taniguchi
- Disease Glycomics Team, Systems Glycobiology Research Group, RIKEN-Max Planck Joint Research Center, RIKEN Global Research Cluster, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan
| | - Yoshiki Yamaguchi
- Structural Glycobiology Team, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan
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18
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Shimokawa M, Haraguchi T, Minami Y, Yagi F, Hiemori K, Tateno H, Hirabayashi J. Two carbohydrate recognizing domains from Cycas revoluta leaf lectin show the distinct sugar-binding specificity-A unique mannooligosaccharide recognition by N-terminal domain. J Biochem 2016; 160:27-35. [PMID: 26867733 DOI: 10.1093/jb/mvw011] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2015] [Accepted: 01/04/2016] [Indexed: 11/15/2022] Open
Abstract
Cycas revoluta leaf lectin (CRLL) of mannose-recognizing jacalin-related lectin (mJRL) has two tandem repeated carbohydrate recognition domains, and shows the characteristic sugar-binding specificity toward high mannose-glycans, compared with other mJRLs. We expressed the N-terminal domain and C-terminal domain (CRLL-N and CRLL-C) separately, to determine the fine sugar-binding specificity of each domain, using frontal affinity chromatography, glycan array and equilibrium dialysis. The specificity of CRLL toward high mannose was basically derived from CRLL-N, whereas CRLL-C had affinity for α1-6 extended mono-antennary complex-type glycans. Notably, the affinity of CRLL-N was most potent to one of three Man 8 glycans and Man 9 glycan, whereas the affinity of CRLL-C decreased with the increase in the number of extended α1-2 linked mannose residue. The recognition of the Man 8 glycans by CRLL-N has not been found for other mannose recognizing lectins. Glycan array reflected these specificities of the two domains. Furthermore, it was revealed by equilibrium dialysis method that the each domain had two sugar-binding sites, similar with Banlec, banana mannose-binding Jacalin-related lectin.
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Affiliation(s)
- Michiko Shimokawa
- Biochemical Science and Technology, Faculty of Agriculture, Kagoshima University, Kagoshima, Japan and
| | - Tomokazu Haraguchi
- Biochemical Science and Technology, Faculty of Agriculture, Kagoshima University, Kagoshima, Japan and
| | - Yuji Minami
- Biochemical Science and Technology, Faculty of Agriculture, Kagoshima University, Kagoshima, Japan and
| | - Fumio Yagi
- Biochemical Science and Technology, Faculty of Agriculture, Kagoshima University, Kagoshima, Japan and
| | - Keiko Hiemori
- Research Center for Stem Cell Engineering, National Institute of Advanced Industrial Science and Technology, Ibaraki, Japan
| | - Hiroaki Tateno
- Research Center for Stem Cell Engineering, National Institute of Advanced Industrial Science and Technology, Ibaraki, Japan
| | - Jun Hirabayashi
- Research Center for Stem Cell Engineering, National Institute of Advanced Industrial Science and Technology, Ibaraki, Japan
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19
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Yeast expressed ArtinM shares structure, carbohydrate recognition, and biological effects with native ArtinM. Int J Biol Macromol 2016; 82:22-30. [DOI: 10.1016/j.ijbiomac.2015.09.062] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2015] [Revised: 09/28/2015] [Accepted: 09/29/2015] [Indexed: 11/24/2022]
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20
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Swanson MD, Boudreaux DM, Salmon L, Chugh J, Winter HC, Meagher JL, André S, Murphy PV, Oscarson S, Roy R, King S, Kaplan MH, Goldstein IJ, Tarbet EB, Hurst BL, Smee DF, de la Fuente C, Hoffmann HH, Xue Y, Rice CM, Schols D, Garcia JV, Stuckey JA, Gabius HJ, Al-Hashimi HM, Markovitz DM. Engineering a therapeutic lectin by uncoupling mitogenicity from antiviral activity. Cell 2015; 163:746-58. [PMID: 26496612 DOI: 10.1016/j.cell.2015.09.056] [Citation(s) in RCA: 80] [Impact Index Per Article: 8.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2014] [Revised: 06/05/2015] [Accepted: 09/29/2015] [Indexed: 10/22/2022]
Abstract
A key effector route of the Sugar Code involves lectins that exert crucial regulatory controls by targeting distinct cellular glycans. We demonstrate that a single amino-acid substitution in a banana lectin, replacing histidine 84 with a threonine, significantly reduces its mitogenicity, while preserving its broad-spectrum antiviral potency. X-ray crystallography, NMR spectroscopy, and glycocluster assays reveal that loss of mitogenicity is strongly correlated with loss of pi-pi stacking between aromatic amino acids H84 and Y83, which removes a wall separating two carbohydrate binding sites, thus diminishing multivalent interactions. On the other hand, monovalent interactions and antiviral activity are preserved by retaining other wild-type conformational features and possibly through unique contacts involving the T84 side chain. Through such fine-tuning, target selection and downstream effects of a lectin can be modulated so as to knock down one activity, while preserving another, thus providing tools for therapeutics and for understanding the Sugar Code.
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Affiliation(s)
- Michael D Swanson
- Division of Infectious Diseases, Department of Internal Medicine, Program in Immunology, University of Michigan, Ann Arbor, MI 48109, USA; Division of Infectious Diseases, Department of Medicine and UNC AIDS Center, University of North Carolina, Chapel Hill, NC 27599, USA
| | - Daniel M Boudreaux
- Division of Infectious Diseases, Department of Internal Medicine, Program in Immunology, University of Michigan, Ann Arbor, MI 48109, USA; Department of Biophysics, University of Michigan, Ann Arbor, MI 48109, USA
| | - Loïc Salmon
- Department of Biophysics, University of Michigan, Ann Arbor, MI 48109, USA
| | - Jeetender Chugh
- Department of Biophysics, University of Michigan, Ann Arbor, MI 48109, USA
| | - Harry C Winter
- Department of Biological Chemistry, University of Michigan, Ann Arbor, MI 48109, USA
| | - Jennifer L Meagher
- Life Sciences Institute, University of Michigan, Ann Arbor, MI 48109, USA
| | - Sabine André
- Institute of Physiological Chemistry, Faculty of Veterinary Medicine, Ludwig-Maximilians-University Munich, 80539 Munich, Germany
| | - Paul V Murphy
- School of Chemistry, National University of Ireland, Galway, Ireland
| | - Stefan Oscarson
- Centre for Synthesis and Chemical Biology, University College Dublin, Belfield, Dublin 4, Ireland
| | - René Roy
- Department of Chemistry, Université du Québec à Montréal, Montréal, Québec H3C 3P8, Canada
| | - Steven King
- Division of Infectious Diseases, Department of Internal Medicine, Program in Immunology, University of Michigan, Ann Arbor, MI 48109, USA
| | - Mark H Kaplan
- Division of Infectious Diseases, Department of Internal Medicine, Program in Immunology, University of Michigan, Ann Arbor, MI 48109, USA
| | - Irwin J Goldstein
- Department of Biological Chemistry, University of Michigan, Ann Arbor, MI 48109, USA
| | - E Bart Tarbet
- Institute for Antiviral Research, Utah State University, Logan, UT 84322, USA
| | - Brett L Hurst
- Institute for Antiviral Research, Utah State University, Logan, UT 84322, USA
| | - Donald F Smee
- Institute for Antiviral Research, Utah State University, Logan, UT 84322, USA
| | | | | | - Yi Xue
- Department of Biochemistry, Duke University, Durham, NC 27710, USA
| | | | - Dominique Schols
- Laboratory of Virology and Chemotherapy, Rega Institute for Medical Research, University of Leuven, 3000 Leuven, Belgium
| | - J Victor Garcia
- Division of Infectious Diseases, Department of Medicine and UNC AIDS Center, University of North Carolina, Chapel Hill, NC 27599, USA
| | - Jeanne A Stuckey
- Life Sciences Institute, University of Michigan, Ann Arbor, MI 48109, USA
| | - Hans-Joachim Gabius
- Institute of Physiological Chemistry, Faculty of Veterinary Medicine, Ludwig-Maximilians-University Munich, 80539 Munich, Germany
| | - Hashim M Al-Hashimi
- Department of Biophysics, University of Michigan, Ann Arbor, MI 48109, USA; Department of Biochemistry, Duke University, Durham, NC 27710, USA.
| | - David M Markovitz
- Division of Infectious Diseases, Department of Internal Medicine, Program in Immunology, University of Michigan, Ann Arbor, MI 48109, USA.
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21
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Wang L, Koppolu S, Chappell C, Moncla BJ, Hillier SL, Mahal LK. Studying the effects of reproductive hormones and bacterial vaginosis on the glycome of lavage samples from the cervicovaginal cavity. PLoS One 2015; 10:e0127021. [PMID: 25993513 PMCID: PMC4439148 DOI: 10.1371/journal.pone.0127021] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2015] [Accepted: 04/10/2015] [Indexed: 01/15/2023] Open
Abstract
The cervicovaginal fluid (CVF) coating the vaginal epithelium is an important immunological mediator, providing a barrier to infection. Glycosylation of CVF proteins, such as mucins, IgG and S-IgA, plays a critical role in their immunological functions. Although multiple factors, such as hormones and microflora, may influence glycosylation of the CVF, few studies have examined their impact on this important immunological fluid. Herein we analyzed the glycosylation of cervicovaginal lavage (CVL) samples collected from 165 women under different hormonal conditions including: (1) no contraceptive, post-menopausal, (2) no contraceptive, days 1-14 of the menstrual cycle, (3) no contraceptive, days 15-28 of the menstrual cycle, (4) combined-oral contraceptive pills for at least 6 months, (5) depo-medroxyprogesterone acetate (Depo-Provera) injections for at least 6 months, (6) levonorgestrel IUD for at least 1 month. Glycomic profiling was obtained using our lectin microarray system, a rapid method to analyze carbohydrate composition. Although some small effects were observed due to hormone levels, the major influence on the glycome was the presence of an altered bacterial cohort due to bacterial vaginosis (BV). Compared to normal women, samples from women with BV contained lower levels of sialic acid and high-mannose glycans in their CVL. The change in high mannose levels was unexpected and may be related to the increased risk of HIV-infection observed in women with BV, as high mannose receptors are a viral entry pathway. Changes in the glycome were also observed with hormonal contraceptive use, in a contraceptive-dependent manner. Overall, microflora had a greater impact on the glycome than hormonal levels, and both of these effects should be more closely examined in future studies given the importance of glycans in the innate immune system.
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Affiliation(s)
- Linlin Wang
- Biomedical Chemistry Institute, Department of Chemistry, New York University, New York, NY, 10003, United States of America
| | - Sujeethraj Koppolu
- Biomedical Chemistry Institute, Department of Chemistry, New York University, New York, NY, 10003, United States of America
| | - Catherine Chappell
- Department of Obstetrics, Gynecology and Reproductive Sciences, Magee-Womens Hospital of the University of Pittsburgh Medical Center, Pittsburgh, PA, 15213, United States of America
| | - Bernard J. Moncla
- Department of Obstetrics, Gynecology and Reproductive Sciences, Magee-Womens Hospital of the University of Pittsburgh Medical Center, Pittsburgh, PA, 15213, United States of America
- Magee-Womens Research Institute, Pittsburgh, PA, 15213, United States of America
| | - Sharon L. Hillier
- Department of Obstetrics, Gynecology and Reproductive Sciences, Magee-Womens Hospital of the University of Pittsburgh Medical Center, Pittsburgh, PA, 15213, United States of America
- Magee-Womens Research Institute, Pittsburgh, PA, 15213, United States of America
| | - Lara K. Mahal
- Biomedical Chemistry Institute, Department of Chemistry, New York University, New York, NY, 10003, United States of America
- * E-mail:
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22
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Hirabayashi J, Tateno H, Shikanai T, Aoki-Kinoshita KF, Narimatsu H. The Lectin Frontier Database (LfDB), and data generation based on frontal affinity chromatography. Molecules 2015; 20:951-73. [PMID: 25580689 PMCID: PMC6272529 DOI: 10.3390/molecules20010951] [Citation(s) in RCA: 40] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2014] [Accepted: 12/31/2014] [Indexed: 12/03/2022] Open
Abstract
Lectins are a large group of carbohydrate-binding proteins, having been shown to comprise at least 48 protein scaffolds or protein family entries. They occur ubiquitously in living organisms—from humans to microorganisms, including viruses—and while their functions are yet to be fully elucidated, their main underlying actions are thought to mediate cell-cell and cell-glycoconjugate interactions, which play important roles in an extensive range of biological processes. The basic feature of each lectin’s function resides in its specific sugar-binding properties. In this regard, it is beneficial for researchers to have access to fundamental information about the detailed oligosaccharide specificities of diverse lectins. In this review, the authors describe a publicly available lectin database named “Lectin frontier DataBase (LfDB)”, which undertakes the continuous publication and updating of comprehensive data for lectin-standard oligosaccharide interactions in terms of dissociation constants (Kd’s). For Kd determination, an advanced system of frontal affinity chromatography (FAC) is used, with which quantitative datasets of interactions between immobilized lectins and >100 fluorescently labeled standard glycans have been generated. The FAC system is unique in its clear principle, simple procedure and high sensitivity, with an increasing number (>67) of associated publications that attest to its reliability. Thus, LfDB, is expected to play an essential role in lectin research, not only in basic but also in applied fields of glycoscience.
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Affiliation(s)
- Jun Hirabayashi
- Research Center for Stem Cell Engineering, National Institute of Advanced Industrial Science and Technology, Central-2, 1-1-1, Umezono, Tsukuba, Ibaraki 305-8568, Japan.
| | - Hiroaki Tateno
- Research Center for Stem Cell Engineering, National Institute of Advanced Industrial Science and Technology, Central-2, 1-1-1, Umezono, Tsukuba, Ibaraki 305-8568, Japan.
| | - Toshihide Shikanai
- Research Center for Medical Glycoscience, National Institute of Advanced Industrial Science and Technology, Central-2, 1-1-1, Umezono, Tsukuba, Ibaraki 305-8568, Japan.
| | - Kiyoko F Aoki-Kinoshita
- Department of Bioinformatics, Faculty of Engineering, Soka University, 1-236 Tangi-machi, Hachioji, Tokyo 192-8577, Japan.
| | - Hisashi Narimatsu
- Research Center for Medical Glycoscience, National Institute of Advanced Industrial Science and Technology, Central-2, 1-1-1, Umezono, Tsukuba, Ibaraki 305-8568, Japan.
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23
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Santos A, Carvalho FC, Roque-Barreira MC, Bueno PR. Impedance-derived electrochemical capacitance spectroscopy for the evaluation of lectin–glycoprotein binding affinity. Biosens Bioelectron 2014; 62:102-5. [DOI: 10.1016/j.bios.2014.06.034] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2014] [Accepted: 06/16/2014] [Indexed: 10/25/2022]
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24
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Liu XY, Li H, Zhang W. The lectin from Musa paradisiaca binds with the capsid protein of tobacco mosaic virus and prevents viral infection. BIOTECHNOL BIOTEC EQ 2014; 28:408-416. [PMID: 26019527 PMCID: PMC4433934 DOI: 10.1080/13102818.2014.925317] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
Abstract
It has been demonstrated that the lectin from Musa paradisiaca (BanLec-1) could inhibit the cellular entry of human immunodeficiency virus (HIV). In order to evaluate its effects on tobacco mosaic virus (TMV), the banlec-1 gene was cloned and transformed into Escherichia coli and tobacco, respectively. Recombinant BanLec-1 showed metal ions dependence, and higher thermal and pH stability. Overexpression of banlec-1 in tobacco resulted in decreased leaf size, and higher resistance to TMV infection, which includes reduced TMV cellular entry, more stable chlorophyll contents, and enhanced antioxidant enzymes. BanLec-1 was found to bind directly to the TMV capsid protein in vitro, and to inhibit TMV infection in a dose-dependent manner. In contrast to limited prevention in vivo, purified rBanLec-1 exhibited more significant effects on TMV infection in vitro. Taken together, our study indicated that BanLec-1 could prevent TMV infection in tobacco, probably through the interaction between BanLec-1 and TMV capsid protein.
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Affiliation(s)
- Xiao-Yu Liu
- Department of Biochemistry & Molecular Biology, College of Life Science, Nanjing Agricultural University , Nanjing , Jiangsu , P. R. China
| | - Huan Li
- Department of Biochemistry & Molecular Biology, College of Life Science, Nanjing Agricultural University , Nanjing , Jiangsu , P. R. China
| | - Wei Zhang
- Department of Biochemistry & Molecular Biology, College of Life Science, Nanjing Agricultural University , Nanjing , Jiangsu , P. R. China
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Kobayashi Y, Tateno H, Ogawa H, Yamamoto K, Hirabayashi J. Comprehensive list of lectins: origins, natures, and carbohydrate specificities. Methods Mol Biol 2014; 1200:555-577. [PMID: 25117264 DOI: 10.1007/978-1-4939-1292-6_45] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
More than 100 years have passed since the first lectin ricin was discovered. Since then, a wide variety of lectins (lect means "select" in Latin) have been isolated from plants, animals, fungi, bacteria, as well as viruses, and their structures and properties have been characterized. At present, as many as 48 protein scaffolds have been identified as functional lectins from the viewpoint of three-dimensional structures as described in this chapter. In this chapter, representative 53 lectins are selected, and their major properties that include hemagglutinating activity, mitogen activity, blood group specificity, molecular weight, metal requirement, and sugar specificities are summarized as a comprehensive table. The list will provide a practically useful, comprehensive list for not only experienced lectin users but also many other non-expert researchers, who are not familiar to lectins and, therefore, have no access to advanced lectin biotechnologies described in other chapters.
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Affiliation(s)
- Yuka Kobayashi
- J-Oil Mills, Inc., 11, Kagetoricho, Totsuka-ku, Yokohama, Kanagawa, 245-0064, Japan,
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Hirabayashi J, Yamada M, Kuno A, Tateno H. Lectin microarrays: concept, principle and applications. Chem Soc Rev 2013; 42:4443-58. [PMID: 23443201 DOI: 10.1039/c3cs35419a] [Citation(s) in RCA: 208] [Impact Index Per Article: 18.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
The lectin microarray is a novel platform for glycan analysis, having emerged only in recent years. Unlike other conventional methods, e.g., liquid chromatography and mass spectrometry, it enables rapid and high-sensitivity profiling of complex glycan features without the need for liberation of glycans. Target samples include an extensive range of glycoconjugates involved in cells, tissues, body fluids, as well as synthetic glycans and their mimics. Various procedures for rapid differential glycan profiling have been developed for glycan-related biomarkers. Such glycoproteomics targeting allows precise diagnosis of chronic diseases potentially related to cancer. Application of this method to evaluation of various types of stem cells resulted in the discovery of a new pluripotent cell-specific glycan marker. To explore this technology a more fundamental and extensive understanding of lectins is necessary in relation to the structural uniqueness of glycans. In this chapter, the essence of the lectin microarray is described with some focus on an evanescent-field-activated fluorescence detection principle as a system to achieve in situ (i.e., washing free) aqueous-phase observation under equilibrium conditions. The developed lectin microarray system allows even researchers with poor experience in glycan profiling to perform extensive high-throughput analysis targeting various forms of glycans and even cells.
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Affiliation(s)
- Jun Hirabayashi
- National Institute of Advanced Science and Technology, Central-2, 1-1-1, Umezono, Tsukuba, Ibaraki 305-8568, Japan.
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Souza MA, Carvalho FC, Ruas LP, Ricci-Azevedo R, Roque-Barreira MC. The immunomodulatory effect of plant lectins: a review with emphasis on ArtinM properties. Glycoconj J 2013; 30:641-57. [PMID: 23299509 PMCID: PMC3769584 DOI: 10.1007/s10719-012-9464-4] [Citation(s) in RCA: 85] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2012] [Revised: 12/06/2012] [Accepted: 12/09/2012] [Indexed: 12/31/2022]
Abstract
Advances in the glycobiology and immunology fields have provided many insights into the role of carbohydrate-protein interactions in the immune system. We aim to present a comprehensive review of the effects that some plant lectins exert as immunomodulatory agents, showing that they are able to positively modify the immune response to certain pathological conditions, such as cancer and infections. The present review comprises four main themes: (1) an overview of plant lectins that exert immunomodulatory effects and the mechanisms accounting for these activities; (2) general characteristics of the immunomodulatory lectin ArtinM from the seeds of Artocarpus heterophyllus; (3) activation of innate immunity cells by ArtinM and consequent induction of Th1 immunity; (4) resistance conferred by ArtinM administration in infections with intracellular pathogens, such as Leishmania (Leishmania) major, Leishmania (Leishmania) amazonensis, and Paracoccidioides brasiliensis. We believe that this review will be a valuable resource for more studies in this relatively neglected area of research, which has the potential to reveal carbohydrate targets for novel prophylactic and therapeutic strategies.
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Affiliation(s)
- Maria A Souza
- Instituto de Ciências Biomédicas, Universidade Federal de Uberlândia, Uberlândia, MG, Brazil
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Mislovičová D, Katrlík J, Paulovičová E, Gemeiner P, Tkac J. Comparison of three distinct ELLA protocols for determination of apparent affinity constants between Con A and glycoproteins. Colloids Surf B Biointerfaces 2012; 94:163-9. [DOI: 10.1016/j.colsurfb.2012.01.036] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2011] [Revised: 12/22/2011] [Accepted: 01/23/2012] [Indexed: 11/28/2022]
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Carvalho FC, Soares SG, Tamarozzi MB, Rego EM, Roque-Barreira MC. The recognition of N-glycans by the lectin ArtinM mediates cell death of a human myeloid leukemia cell line. PLoS One 2011; 6:e27892. [PMID: 22132163 PMCID: PMC3223207 DOI: 10.1371/journal.pone.0027892] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2011] [Accepted: 10/27/2011] [Indexed: 12/25/2022] Open
Abstract
ArtinM, a d-mannose-binding lectin from Artocarpus heterophyllus (jackfruit), interacts with N-glycosylated receptors on the surface of several cells of hematopoietic origin, triggering cell migration, degranulation, and cytokine release. Because malignant transformation is often associated with altered expression of cell surface glycans, we evaluated the interaction of ArtinM with human myelocytic leukemia cells and investigated cellular responses to lectin binding. The intensity of ArtinM binding varied across 3 leukemia cell lines: NB4>K562>U937. The binding, which was directly related to cell growth suppression, was inhibited in the presence of Manα1-3(Manα1-6)Manβ1, and was reverted in underglycosylated NB4 cells. ArtinM interaction with NB4 cells induced cell death (IC50 = 10 µg/mL), as indicated by cell surface exposure of phosphatidylserine and disruption of mitochondrial membrane potential unassociated with caspase activation or DNA fragmentation. Moreover, ArtinM treatment of NB4 cells strongly induced reactive oxygen species generation and autophagy, as indicated by the detection of acidic vesicular organelles in the treated cells. NB4 cell death was attributed to ArtinM recognition of the trimannosyl core of N-glycans containing a ß1,6-GlcNAc branch linked to α1,6-mannose. This modification correlated with higher levels of N-acetylglucosaminyltransferase V transcripts in NB4 cells than in K562 or U937 cells. Our results provide new insights into the potential of N-glycans containing a β1,6-GlcNAc branch linked to α1,6-mannose as a novel target for anti-leukemia treatment.
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Affiliation(s)
- Fernanda Caroline Carvalho
- Departamento de Biologia Celular e Molecular e Bioagentes Patogênicos, Faculdade de Medicina de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto, São Paulo, Brasil
| | | | | | - Eduardo Magalhães Rego
- Departamento de Clínica Médica, Faculdade de Medicina de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto, São Paulo, Brasil
| | - Maria-Cristina Roque-Barreira
- Departamento de Biologia Celular e Molecular e Bioagentes Patogênicos, Faculdade de Medicina de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto, São Paulo, Brasil
- * E-mail:
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Batista BS, Eng WS, Pilobello KT, Hendricks-Muñoz KD, Mahal LK. Identification of a conserved glycan signature for microvesicles. J Proteome Res 2011; 10:4624-33. [PMID: 21859146 DOI: 10.1021/pr200434y] [Citation(s) in RCA: 200] [Impact Index Per Article: 15.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Microvesicles (exosomes) are important mediators of intercellular communication, playing a role in immune regulation, cancer progression, and the spread of infectious agents. The biological functions of these small vesicles are dependent on their composition, which is regulated by mechanisms that are not well understood. Although numerous proteomic studies of these particles exist, little is known about their glycosylation. Carbohydrates are involved in protein trafficking and cellular recognition. Glycomic analysis may thus provide valuable insights into microvesicle biology. In this study, we analyzed glycosylation patterns of microvesicles derived from a variety of biological sources using lectin microarray technology. Comparison of the microvesicle glycomes with their parent cell membranes revealed both enrichment and depletion of specific glycan epitopes in these particles. These include enrichment in high mannose, polylactosamine, α-2,6 sialic acid, and complex N-linked glycans and exclusion of terminal blood group A and B antigens. The polylactosamine signature derives from distinct glycoprotein cohorts in microvesicles of different origins. Taken together, our data point to the emergence of microvesicles from a specific membrane microdomain, implying a role for glycosylation in microvesicle protein sorting.
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Affiliation(s)
- Bianca S Batista
- Institute for Cellular and Molecular Biology, The University of Texas at Austin , 1 University Station, Austin, Texas 78712-0159, United States
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Tateno H, Yabe R, Sato T, Shibazaki A, Shikanai T, Gonoi T, Narimatsu H, Hirabayashi J. Human ZG16p recognizes pathogenic fungi through non-self polyvalent mannose in the digestive system. Glycobiology 2011; 22:210-20. [DOI: 10.1093/glycob/cwr130] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
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Al Atalah B, Fouquaert E, Vanderschaeghe D, Proost P, Balzarini J, Smith DF, Rougé P, Lasanajak Y, Callewaert N, Van Damme EJM. Expression analysis of the nucleocytoplasmic lectin 'Orysata' from rice in Pichia pastoris. FEBS J 2011; 278:2064-79. [PMID: 21481190 DOI: 10.1111/j.1742-4658.2011.08122.x] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
The Oryza sativa lectin, abbreviated Orysata, is a mannose-specific, jacalin-related lectin expressed in rice plants after exposure to certain stress conditions. Expression of a fusion construct containing the rice lectin sequence linked to enhanced green fluorescent protein in Bright Yellow 2 tobacco cells revealed that Orysata is located in the nucleus and the cytoplasm of the plant cell, indicating that it belongs to the class of nucleocytoplasmic jacalin-related lectins. Since the expression level of Orysata in rice tissues is very low the lectin was expressed in the methylotrophic yeast Pichia pastoris with the Saccharomyces α-factor sequence to direct the recombinant protein into the secretory pathway and express the protein into the medium. Approximately 12 mg of recombinant lectin was purified per liter medium. SDS/PAGE and western blot analysis showed that the recombinant lectin exists in two molecular forms. Far western blot analysis revealed that the 23 kDa lectin polypeptide contains an N-glycan which is absent in the 18.5 kDa polypeptide. Characterization of the glycans present in the recombinant Orysata revealed high-mannose structures, Man9-11 glycans being the most abundant. Glycan array analysis showed that Orysata interacts with high-mannose as well as with more complex N-glycan structures. Orysata has potent anti-human immunodeficiency virus and anti-respiratory syncytial virus activity in cell culture compared with other jacalin-related lectins.
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Affiliation(s)
- Bassam Al Atalah
- Laboratory of Biochemistry and Glycobiology, Department of Molecular Biotechnology, Ghent University, Belgium
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Urrea F, Ortiz-Quintero B, Sanchez-Garcia FJ, Blanco-Favela F, Garfias Y, Lascurain R, Zenteno E. The Amaranthus leucocarpus lectin enhances the anti-CD3 antibody-mediated activation of human peripheral blood CD4+ T cells. TOHOKU J EXP MED 2011; 221:271-9. [PMID: 20644342 DOI: 10.1620/tjem.221.271] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
Activation of CD4(+) T cells plays a main role in adaptive immune response by regulating cellular and humoral immunity via processes associated with changes in cell surface oligosaccharide receptors. Lectins are glycoproteins that specifically recognize oligosaccharides and have been used to characterize changes in oligosaccharides present on T cell surface and their effects on activation. A lectin from Amaranthus leucocarpus seeds (ALL) is specific for glycoprotein structures containing galactose-N-acetylgalactosamine and is able to bind to human and murine CD4(+) T cells, however, its effect on activation remains unclear. We examined the effect of ALL on the activation of peripheral blood human CD4(+) T cells and analyzed cell proliferation, expression of the activation-associated molecule CD25, secretion of the activation-dependent cytokine interleukin (IL)-2 and intracellular calcium influx changes using flow cytometry. CD4(+) T cells were stimulated with anti-CD3 antibodies that provided the first activation signal in the presence or absence of ALL. ALL alone did not induce CD4(+) T cell activation but when also stimulated with anti-CD3 antibodies, ALL up-regulated CD25 expression, cell proliferation, IL-2 secretion and an intracellular calcium influx in a dose-dependent manner. In addition, ALL recognized CD4(+) T cells expressing the CD69 and Ki67 molecules expressed only by activated T cells and induced production of the TH1-type cytokine interferon-gamma. Our findings indicate that ALL binds to human activated CD4(+) T cells and enhances the degree of activation of CD4(+) T cells that are stimulated with anti-CD3 antibodies. ALL provides a new tool for analyzing T cell activation mechanisms.
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Affiliation(s)
- Francisco Urrea
- Departamento de Bioquímica, Instituto Nacional de Enfermedades Respiratorias Ismael Cosío Villegas, Mexico
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Urrea F, Zenteno E, Avila-Moreno F, Sanchez-Garcia FJ, Zuñiga J, Lascurain R, Ortiz-Quintero B. Amaranthus leucocarpus lectin (ALL) enhances anti-CD3-dependent activation of murine T cells and promotes cell survival. Immunol Invest 2010; 40:113-29. [PMID: 20809696 DOI: 10.3109/08820139.2010.503767] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
The Galβ1,3GalNAc-specific lectin from Amaranthus leucocarpus (ALL) shows a differential binding pattern on murine thymocytes, peripheral and activated CD4(+) and CD8(+) T cells. Although ALL detects activation-related changes in T cell surface carbohydrate moieties, no study has been performed to examine the effect of ALL on T cell activation. In this study, we analyzed the anti-CD3-dependent activation of murine T cells in the presence of ALL by measuring proliferation, surface activation marker expression, and IL-2 secretion using total cells from the lymph node. The results showed that ALL did not significantly induce T cell activation but did enhance anti-CD3-dependent activation of both CD4(+) and CD8(+) T cells. In addition, ALL protected T cells from spontaneous apoptosis and increased cell survival in serum-free culture conditions. Our findings indicate that ALL alone does not affect T cell activation, but do suggest that ALL has an anti-CD3-dependent co-stimulatory-like effect on T cell activation. Moreover, ALL promotes cell survival in regular and serum-free culture conditions. This study is the first report of a non-mitogenic T cell-binding lectin that can induce a possible costimulatory-like effect and provides a new tool for understanding how glycosylation impacts the T cell response.
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Affiliation(s)
- Francisco Urrea
- Departamento de Bioquímica, Instituto Nacional de Enfermedades Respiratorias Ismael CosioVillegas, Calzada de Tlalpan 4502, 14080, Mexico
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Huang W, Wang D, Yamada M, Wang LX. Chemoenzymatic synthesis and lectin array characterization of a class of N-glycan clusters. J Am Chem Soc 2010; 131:17963-71. [PMID: 19916512 DOI: 10.1021/ja9078539] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
N-Glycans are major components of many glycoproteins. These sugar moieties are frequently involved in important physiological and disease processes via their interactions with a variety of glycan-binding proteins (GBP). Clustering effect is an important feature in many glycan-lectin interactions. We describe in this paper a chemoenzymatic synthesis of novel N-glycan clusters using a tandem endoglycosidase-catalyzed transglycosylation. It was found that the internal beta-1,2-linked GlcNAc moieties in the N-glycan core, once exposed in the nonreducing terminus, was able to serve as acceptors for transglycosylation catalyzed by Endo-A and EndoM-N175A. This efficient chemoenzymatic method allows a quick extension of the sugar chains to form a class of glycan clusters in which sugar residues are all connected by native glycosidic linkages found in natural N-glycans. In addition, a discriminative enzymatic reaction at the two GlcNAc residues could be fulfilled to afford novel hybrid clusters. Lectin microarray studies revealed unusual properties in glyco-epitope expression by this panel of structurally well-defined synthetic N-glycans. These new compounds are likely valuable for functional glycomics studies to unveil new functions of both glycans and carbohydrate-binding proteins.
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Affiliation(s)
- Wei Huang
- Institute of Human Virology and Department of Biochemistry and Molecular Biology, University of Maryland School of Medicine, Baltimore, Maryland 21201, USA
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Swanson MD, Winter HC, Goldstein IJ, Markovitz DM. A lectin isolated from bananas is a potent inhibitor of HIV replication. J Biol Chem 2010; 285:8646-55. [PMID: 20080975 DOI: 10.1074/jbc.m109.034926] [Citation(s) in RCA: 133] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
BanLec is a jacalin-related lectin isolated from the fruit of bananas, Musa acuminata. This lectin binds to high mannose carbohydrate structures, including those found on viruses containing glycosylated envelope proteins such as human immunodeficiency virus type-1 (HIV-1). Therefore, we hypothesized that BanLec might inhibit HIV-1 through binding of the glycosylated HIV-1 envelope protein, gp120. We determined that BanLec inhibits primary and laboratory-adapted HIV-1 isolates of different tropisms and subtypes. BanLec possesses potent anti-HIV activity, with IC(50) values in the low nanomolar to picomolar range. The mechanism for BanLec-mediated antiviral activity was investigated by determining if this lectin can directly bind the HIV-1 envelope protein and block entry of the virus into the cell. An enzyme-linked immunosorbent assay confirmed direct binding of BanLec to gp120 and indicated that BanLec can recognize the high mannose structures that are recognized by the monoclonal antibody 2G12. Furthermore, BanLec is able to block HIV-1 cellular entry as indicated by temperature-sensitive viral entry studies and by the decreased levels of the strong-stop product of early reverse transcription seen in the presence of BanLec. Thus, our data indicate that BanLec inhibits HIV-1 infection by binding to the glycosylated viral envelope and blocking cellular entry. The relative anti-HIV activity of BanLec compared favorably to other anti-HIV lectins, such as snowdrop lectin and Griffithsin, and to T-20 and maraviroc, two anti-HIV drugs currently in clinical use. Based on these results, BanLec is a potential component for an anti-viral microbicide that could be used to prevent the sexual transmission of HIV-1.
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Affiliation(s)
- Michael D Swanson
- Department of Internal Medicine, Division of Infectious Diseases, University of Michigan Medical Center, Ann Arbor, Michigan 48109, USA
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Tateno H, Nakamura-Tsuruta S, Hirabayashi J. Comparative analysis of core-fucose-binding lectins from Lens culinaris and Pisum sativum using frontal affinity chromatography. Glycobiology 2009; 19:527-36. [PMID: 19218400 DOI: 10.1093/glycob/cwp016] [Citation(s) in RCA: 99] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Lens culinaris lectin (LCA) is a useful probe for the detection in serum of a core-fucosylated alpha-fetoprotein, called AFP-L3 fraction, which is a well-known marker for the diagnosis and prognosis of hepatocellular carcinoma. Here we performed a systematic quantitative interaction analysis of LCA and its close homolog, Pisum sativum lectin (PSA), by frontal affinity chromatography with 143 pyridylaminated (PA) glycans including a series of core-fucosylated glycans. Both lectins showed binding affinity to core-fucosylated, mono- and bi-antennary N-glycans, but not to their tri- and tetra-antennary forms, indicating that the addition of the GlcNAc residue at the N-acetylglucosaminyltransferase IV position abrogates the binding affinity. However, their specificities are distinguishable: while LCA showed the highest affinity to the core-fucosylated, agalactosylated, bi-antennary N-glycan (K(a)=1.1 x 10(5) M(-1)), PSA showed the highest affinity to the core-fucosylated, trimannosyl structure (K(a)=1.2 x 10(5) M(-1)). Glycan-binding specificities of LCA and PSA were also analyzed by glycoconjugate microarray compared to other core-fucose-binding lectins from Aspergillus oryzae (AOL) and Aleuria auratia (AAL). LCA and PSA bound specifically to core fucose, whereas AOL and AAL exhibited broad specificity to fucosylated glycans. These results explain why LCA is appropriate as a specific probe for AFP-L3, which mainly contains a core-fucosylated, biantennary N-glycan, but not its highly branched forms.
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Affiliation(s)
- Hiroaki Tateno
- Research Center for Medical Glycoscience, National Institute of Advanced Industrial Science and Technology, Central 2, 1-1-1 Umezono, Ibaraki 305-8568, Japan
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Benoist H, Culerrier R, Poiroux G, Ségui B, Jauneau A, Van Damme EJM, Peumans WJ, Barre A, Rougé P. Two structurally identical mannose-specific jacalin-related lectins display different effects on human T lymphocyte activation and cell death. J Leukoc Biol 2009; 86:103-14. [PMID: 19401384 DOI: 10.1189/jlb.0708434] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Abstract
Plant lectins displaying similar single sugar-binding specificity and identical molecular structure might present various biological effects. To explore this possibility, the effects on human lymphocytes of two mannose-specific and structurally closely related lectins, Morniga M from Morus nigra and artocarpin from Artocarpus integrifolia were investigated. In silico analysis revealed that Morniga M presents a more largely open carbohydrate-binding cavity than artocarpin, probably allowing interactions with a broader spectrum of carbohydrate moieties. In vitro, Morniga M interacted strongly with the lymphocyte surface and was uptaken quickly by cells. Morniga M and artocarpin triggered the proliferation and activation of human T and NK lymphocytes. A minority of B lymphocytes was activated in artocarpin-treated culture, whereas Morniga M favored the emergence of CD4+ CD8+ T lymphocytes. Moreover, cell death occurred in activated PBMC, activated T lymphocytes, and Jurkat T leukemia cells incubated with Morniga M only. The biological effects of both lectins were dependent on carbohydrate recognition. The Morniga M-induced cell death resulted, at least in part, from caspase-dependent apoptosis and FADD-dependent receptor-mediated cell death. Finally, Morniga M, but not artocarpin, triggered AICD of T lymphocytes. In conclusion, both lectins trigger lymphocyte activation, but only Morniga M induces cell death. In spite of similar in vitro mannose-binding specificities and virtually identical structure, only Morniga M probably interacts with carbohydrate moieties bound to molecules able to induce cell death. The present data suggest that subtle alterations in N-glycans can distinguish activation and cell death molecules at the lymphocyte surface.
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