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Nikiforova AV, Golovchenko VV, Mikshina PV, Patova OA, Gorshkova TA, Bovin NV, Shilova NV. Plant Polysaccharide Array for Studying Carbohydrate-Binding Proteins. BIOCHEMISTRY. BIOKHIMIIA 2022; 87:890-902. [PMID: 36180984 DOI: 10.1134/s0006297922090036] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/02/2022] [Revised: 06/20/2022] [Accepted: 06/20/2022] [Indexed: 06/16/2023]
Abstract
The specificity of the most plant carbohydrate-binding proteins (CBP), many of which are known only through bioinformatic analysis of the genome, has either not been studied at all or characterized to a limited extent. The task of deciphering the carbohydrate specificity of the proteins can be solved using glycoarrays composed of many tens or even hundreds of glycans immobilized on a glass surface. Plant carbohydrates are the most significant natural ligands for plant proteins; this work shows that plant polysaccharides without additional modification can be immobilized on the surface, bearing N-hydroxysuccinimide activated carboxyl groups. As a result, an array of 113 well-characterized polysaccharides isolated from various plant cell walls, 23 mono- and oligosaccharides - components of polysaccharides, and glycans - ligands for widely known plant lectins was designed. Upon chemical immobilization of polysaccharides, their functional activity was preserved, which was confirmed by the results of interaction with antibodies and the plant lectin ricin. Using the constructed array, a previously unknown ability of ricin to bind polysaccharides was found, which significantly expands the knowledge of its specificity, and it was also found that a large variety of antibodies to plant polysaccharides are present in human peripheral blood.
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Affiliation(s)
- Anna V Nikiforova
- Shemyakin and Ovchinnikov Institute of Bioorganic Chemistry of the Russian Academy of Sciences, Moscow, 117997, Russia.
| | - Victoria V Golovchenko
- Institute of Physiology of Komi Science Centre of the Ural Branch of the Russian Academy of Sciences, FRC Komi SC UB RAS, Syktyvkar, 167982, Russia
| | - Polina V Mikshina
- Kazan Institute of Biochemistry and Biophysics of FRC Kazan Scientific Center of the Russian Academy of Sciences, Kazan, 420111, Russia
| | - Olga A Patova
- Institute of Physiology of Komi Science Centre of the Ural Branch of the Russian Academy of Sciences, FRC Komi SC UB RAS, Syktyvkar, 167982, Russia
| | - Tatyana A Gorshkova
- Kazan Institute of Biochemistry and Biophysics of FRC Kazan Scientific Center of the Russian Academy of Sciences, Kazan, 420111, Russia
| | - Nikolai V Bovin
- Shemyakin and Ovchinnikov Institute of Bioorganic Chemistry of the Russian Academy of Sciences, Moscow, 117997, Russia
| | - Nadezhda V Shilova
- Shemyakin and Ovchinnikov Institute of Bioorganic Chemistry of the Russian Academy of Sciences, Moscow, 117997, Russia
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Ziganshina MM, Shilova NV, Khasbiullina NR, Terentyeva AV, Dolgopolova EL, Nokel AY, Yarotskaya EL, Shmakov RG, Bovin NV, Sukhikh GT. Repertoire of glycan‐binding placenta‐associated antibodies in healthy pregnancy and in preeclampsia. Scand J Immunol 2022; 95:e13157. [DOI: 10.1111/sji.13157] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2021] [Revised: 02/04/2022] [Accepted: 03/06/2022] [Indexed: 12/09/2022]
Affiliation(s)
- Marina M. Ziganshina
- National Medical Research Center for Obstetrics, Gynecology and Perinatology named after Academician V.I. Kulakov of the Ministry of Health of the Russian Federation Moscow Russia
| | - Nadezhda V. Shilova
- National Medical Research Center for Obstetrics, Gynecology and Perinatology named after Academician V.I. Kulakov of the Ministry of Health of the Russian Federation Moscow Russia
- Shemyakin–Ovchinnikov Institute of Bioorganic Chemistry RAS Moscow Russia
| | - Nailia R. Khasbiullina
- National Medical Research Center for Obstetrics, Gynecology and Perinatology named after Academician V.I. Kulakov of the Ministry of Health of the Russian Federation Moscow Russia
| | - Anastasia V. Terentyeva
- National Medical Research Center for Obstetrics, Gynecology and Perinatology named after Academician V.I. Kulakov of the Ministry of Health of the Russian Federation Moscow Russia
- Federal State Autonomous Educational Institution of Higher Education I.M. Sechenov First Moscow State Medical University of the Ministry of Health of the Russian Federation (Sechenov University) Moscow Russia
| | - Elena L. Dolgopolova
- National Medical Research Center for Obstetrics, Gynecology and Perinatology named after Academician V.I. Kulakov of the Ministry of Health of the Russian Federation Moscow Russia
| | - Alexey Yu. Nokel
- National Medical Research Center for Obstetrics, Gynecology and Perinatology named after Academician V.I. Kulakov of the Ministry of Health of the Russian Federation Moscow Russia
| | - Ekaterina L. Yarotskaya
- National Medical Research Center for Obstetrics, Gynecology and Perinatology named after Academician V.I. Kulakov of the Ministry of Health of the Russian Federation Moscow Russia
| | - Roman G. Shmakov
- National Medical Research Center for Obstetrics, Gynecology and Perinatology named after Academician V.I. Kulakov of the Ministry of Health of the Russian Federation Moscow Russia
| | - Nicolai V. Bovin
- Shemyakin–Ovchinnikov Institute of Bioorganic Chemistry RAS Moscow Russia
- Centre for Kode Technology Innovation School of Engineering, Computer and Mathematical Sciences Auckland University of Technology Auckland New Zealand
| | - Gennady T. Sukhikh
- National Medical Research Center for Obstetrics, Gynecology and Perinatology named after Academician V.I. Kulakov of the Ministry of Health of the Russian Federation Moscow Russia
- Federal State Autonomous Educational Institution of Higher Education I.M. Sechenov First Moscow State Medical University of the Ministry of Health of the Russian Federation (Sechenov University) Moscow Russia
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Breiman A, Ruvoën-Clouet N, Deleers M, Beauvais T, Jouand N, Rocher J, Bovin N, Labarrière N, El Kenz H, Le Pendu J. Low Levels of Natural Anti-α- N-Acetylgalactosamine (Tn) Antibodies Are Associated With COVID-19. Front Microbiol 2021; 12:641460. [PMID: 33643275 PMCID: PMC7905038 DOI: 10.3389/fmicb.2021.641460] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2020] [Accepted: 01/18/2021] [Indexed: 11/13/2022] Open
Abstract
Human serum contains large amounts of anti-carbohydrate antibodies, some of which may recognize epitopes on viral glycans. Here, we tested the hypothesis that such antibodies may confer protection against COVID-19 so that patients would be preferentially found among people with low amounts of specific anti-carbohydrate antibodies since individual repertoires vary considerably. After selecting glycan epitopes commonly represented in the human anti-carbohydrate antibody repertoire that may also be expressed on viral glycans, plasma levels of the corresponding antibodies were determined by ELISA in 88 SARS-CoV-2 infected individuals, including 13 asymptomatic, and in 82 non-infected controls. We observed that anti-Tn antibodies levels were significantly lower in patients as compared to non-infected individuals. This was not observed for any of the other tested carbohydrate epitopes, including anti-αGal antibodies used as a negative control since the epitope cannot be synthesized by humans. Owing to structural homologies with blood groups A and B antigens, we also observed that anti-Tn and anti-αGal antibodies levels were lower in blood group A and B, respectively. Analyses of correlations between anti-Tn and the other anti-carbohydrates tested revealed divergent patterns of correlations between patients and controls, suggesting qualitative differences in addition to the quantitative difference. Furthermore, anti-Tn levels correlated with anti-S protein levels in the patients' group, suggesting that anti-Tn might contribute to the development of the specific antiviral response. Overall, this first analysis allows to hypothesize that natural anti-Tn antibodies might be protective against COVID-19.
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Affiliation(s)
- Adrien Breiman
- Université de Nantes, INSERM, CRCINA, Nantes, France
- CHU de Nantes, Nantes, France
| | - Nathalie Ruvoën-Clouet
- Université de Nantes, INSERM, CRCINA, Nantes, France
- Oniris, Ecole Nationale Vétérinaire, Agroalimentaire et de l’Alimentation, Nantes, France
| | - Marie Deleers
- Department of Transfusion, CHU Brugmann, Université Libre de Bruxelles (ULB), Brussels, Belgium
- Laboratory of Immunology, LHUB-ULB, Brussels, Belgium
| | - Tiffany Beauvais
- Université de Nantes, INSERM, CRCINA, Nantes, France
- CHU de Nantes, Nantes, France
| | | | | | - Nicolai Bovin
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, Moscow, Russia
| | | | - Hanane El Kenz
- Department of Transfusion, CHU Brugmann, Université Libre de Bruxelles (ULB), Brussels, Belgium
- Laboratory of Immunology, LHUB-ULB, Brussels, Belgium
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Bojar D, Powers RK, Camacho DM, Collins JJ. Deep-Learning Resources for Studying Glycan-Mediated Host-Microbe Interactions. Cell Host Microbe 2021; 29:132-144.e3. [DOI: 10.1016/j.chom.2020.10.004] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2020] [Revised: 09/09/2020] [Accepted: 10/08/2020] [Indexed: 02/07/2023]
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Kappler K, Restin T, Lasanajak Y, Smith DF, Bassler D, Hennet T. Limited Neonatal Carbohydrate-Specific Antibody Repertoire Consecutive to Partial Prenatal Transfer of Maternal Antibodies. Front Immunol 2020; 11:573629. [PMID: 33162988 PMCID: PMC7591393 DOI: 10.3389/fimmu.2020.573629] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2020] [Accepted: 09/08/2020] [Indexed: 12/20/2022] Open
Abstract
Despite the prominence of carbohydrate-specific antibodies in human sera, data on their emergence and antigen specificities are limited. Whereas maternal IgG are transferred prenatally to the fetal circulation, IgM present in cord blood originate from fetal B lymphocytes. Considering the limited exposure of the fetus to foreign antigens, we assessed the repertoire of carbohydrate-specific antibodies in human cord blood and matched maternal blood samples using glycan arrays. Carbohydrate-specific IgM was absent in cord blood, whereas low cord blood IgG reactivity to glycans was detectable. Comparing IgG reactivities of matched pairs, we observed a general lack of correlation in the antigen specificity of IgG from cord blood and maternal blood due to a selective exclusion of most carbohydrate-specific IgG from maternofetal transfer. Given the importance of intestinal bacteria in inducing carbohydrate-specific antibodies, we analyzed global antibody specificities toward commensal bacteria. Similar IgG reactivities to specific Bacteroides species were detected in matched cord and maternal blood samples, thus pointing to an efficient maternal transfer of anti-microbial IgG. Due to the observed selectivity in maternofetal IgG transfer, the lack of fetal antibodies to carbohydrate epitopes is only partially compensated by maternal IgG, thus resulting in a weak response to carbohydrate antigens in neonates.
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Affiliation(s)
| | - Tanja Restin
- Institute of Physiology, University of Zurich, Zurich, Switzerland.,Department of Neonatology, University Hospital Zurich, University of Zurich, Zurich, Switzerland
| | - Yi Lasanajak
- Emory Comprehensive Glycomics Core, Department of Biochemistry, Emory University School of Medicine, Atlanta, GA, United States
| | - David F Smith
- Emory Comprehensive Glycomics Core, Department of Biochemistry, Emory University School of Medicine, Atlanta, GA, United States
| | - Dirk Bassler
- Department of Neonatology, University Hospital Zurich, University of Zurich, Zurich, Switzerland
| | - Thierry Hennet
- Institute of Physiology, University of Zurich, Zurich, Switzerland
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Human Natural Antibodies Recognizing Glycan Galβ1-3GlcNAc (Le C). Int J Mol Sci 2020; 21:ijms21186511. [PMID: 32899593 PMCID: PMC7554730 DOI: 10.3390/ijms21186511] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2020] [Revised: 08/30/2020] [Accepted: 09/03/2020] [Indexed: 12/05/2022] Open
Abstract
The level of human natural antibodies of immunoglobulin M isotype against LeC in patients with breast cancer is lower than in healthy women. The epitope specificity of these antibodies has been characterized using a printed glycan array and enzyme-linked immunosorbent assay (ELISA), the antibodies being isolated from donors’ blood using LeC-Sepharose (LeC is Galβ1-3GlcNAcβ). The isolated antibodies recognize the disaccharide but do not bind to glycans terminated with LeC, which implies the impossibility of binding to regular glycoproteins of non-malignant cells. The avidity (as dissociation constant value) of antibodies probed with a multivalent disaccharide is 10−9 M; the nanomolar level indicates that the concentration is sufficient for physiological binding to the cognate antigen. Testing of several breast cancer cell lines showed the strongest binding to ZR 75-1. Interestingly, only 7% of the cells were positive in a monolayer with a low density, increasing up to 96% at highest density. The enhanced interaction (instead of the expected inhibition) of antibodies with ZR 75-1 cells in the presence of Galβ1-3GlcNAcβ disaccharide, indicates that the target epitope of anti-LeC antibodies is a molecular pattern with a carbohydrate constituent rather than a glycan.
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