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Feldhof MI, Sperzel S, Bonda L, Boye S, Braunschweig AB, Gerling-Driessen UIM, Hartmann L. Thiol-selective native grafting from polymerization for the generation of protein-polymer conjugates. Chem Sci 2024:d4sc04818k. [PMID: 39323521 PMCID: PMC11418805 DOI: 10.1039/d4sc04818k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2024] [Accepted: 09/17/2024] [Indexed: 09/27/2024] Open
Abstract
Protein-polymer conjugates combine properties of biopolymers and synthetic polymers, such as specific bioactivity and increased stability, with great benefits for various applications from catalysis to biomedicine. Furthermore, polymer conjugation can mimic important posttranslational modifications of proteins such as glycosylation. There are typically two approaches to create protein-polymer conjugates: the protein is functionalized in advance with an initiator for a grafting-from method or a previously produced polymer is conjugated to the protein via a grafting-to method. In this study, we present a new approach that uses native proteins and allows for direct grafting-from using a thiol-induced, light-activated controlled radical polymerization (TIRP) that is initiated at thiols from specific cysteine residues of the protein. This straightforward method is employed to introduce polymers onto proteins and enzymes without any prior protein modifications, it works in aqueous buffer and maintains the protein's native structure and activity. The resulting protein-polymer conjugates exhibit high molar masses and low dispersities. We demonstrate the versatility of this approach by introducing different types of polymers such as hydrophilic poly(2-hydroxyethyl acrylate) (pHEAA), temperature-responsive poly(N-isopropylacrylamide) (pNIPAM) as well as glycopolymers mimicking the natural protein glycosylation and enabling selective interactions. We present successful combinations of the protein and polymer functions e.g., temperature-induced aggregation leading to an increase in enzyme activity and the introduction of artificial glycosylation inducing specific protein-protein cluster formation and giving straightforward access to glycosurfaces. Based on this straightforward, potentially scalable yet highly controlled synthesis of protein-polymer conjugates, various areas of applications are envisioned ranging from biomedicine to material sciences.
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Affiliation(s)
- Melina I Feldhof
- Department of Organic and Macromolecular Chemistry, Heinrich-Heine-University Düsseldorf Universitätsstraße 1 40225 Düsseldorf Germany
| | - Sandro Sperzel
- Department of Organic and Macromolecular Chemistry, Heinrich-Heine-University Düsseldorf Universitätsstraße 1 40225 Düsseldorf Germany
| | - Lorand Bonda
- Department of Organic and Macromolecular Chemistry, Heinrich-Heine-University Düsseldorf Universitätsstraße 1 40225 Düsseldorf Germany
| | - Susanne Boye
- Center Macromolecular Structure Analysis, Leibniz-Institut für Polymerforschung Dresden Hohe Str. 6 01069 Dresden Germany
| | - Adam B Braunschweig
- Advanced Science Research Center, Graduate Center, City University of New York 85 St. Nicholas Terrace New York NY 10031 USA
- PhD Programs in Chemistry and Biochemistry, Graduate Center, City University of New York 65 5th Avenue New York NY 10016 USA
- Department of Chemistry, Hunter College 695 Park Avenue New York NY 10065 USA
| | - Ulla I M Gerling-Driessen
- Institute for Macromolecular Chemistry, University of Freiburg Stefan-Meier-Str. 31 D-79104 Freiburg i.Br. Germany
| | - Laura Hartmann
- Institute for Macromolecular Chemistry, University of Freiburg Stefan-Meier-Str. 31 D-79104 Freiburg i.Br. Germany
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2
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Tacias-Pascacio VG, Castañeda-Valbuena D, Tavano O, Abellanas-Perez P, de Andrades D, Santiz-Gómez JA, Berenguer-Murcia Á, Fernandez-Lafuente R. A review on the immobilization of bromelain. Int J Biol Macromol 2024; 273:133089. [PMID: 38878936 DOI: 10.1016/j.ijbiomac.2024.133089] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2024] [Revised: 05/21/2024] [Accepted: 06/09/2024] [Indexed: 06/24/2024]
Abstract
This review shows the endeavors performed to prepare immobilized formulations of bromelain extract, usually from pineapple, and their use in diverse applications. This extract has a potent proteolytic component that is based on thiol proteases, which differ depending on the location on the fruit. Stem and fruit are the areas where higher activity is found. The edible origin of this enzyme is one of the features that determines the applications of the immobilized bromelain to a more significant degree. The enzyme has been immobilized on a wide diversity of supports via different strategies (covalent bonds, ion exchange), and also forming ex novo solids (nanoflowers, CLEAs, trapping in alginate beads, etc.). The use of preexisting nanoparticles as immobilization supports is relevant, as this facilitates one of the main applications of the immobilized enzyme, in therapeutic applications (as wound dressing and healing components, antibacterial or anticancer, mucus mobility control, etc.). A curiosity is the immobilization of this enzyme on spores of probiotic microorganisms via adsorption, in order to have a perfect in vivo compatibility. Other outstanding applications of the immobilized enzyme are in the stabilization of wine versus haze during storage, mainly when immobilized on chitosan. Curiously, the immobilized bromelain has been scarcely applied in the production of bioactive peptides.
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Affiliation(s)
- Veymar G Tacias-Pascacio
- Facultad de Ciencias de la Nutrición y Alimentos, Universidad de Ciencias y Artes de Chiapas, Lib. Norte Pte. 1150, 29039 Tuxtla Gutiérrez, Chiapas, Mexico.
| | - Daniel Castañeda-Valbuena
- Facultad de Ciencias de la Nutrición y Alimentos, Universidad de Ciencias y Artes de Chiapas, Lib. Norte Pte. 1150, 29039 Tuxtla Gutiérrez, Chiapas, Mexico
| | - Olga Tavano
- Faculty of Nutrition, Alfenas Federal Univ., 700 Gabriel Monteiro da Silva St, Alfenas, MG 37130-000, Brazil
| | | | - Diandra de Andrades
- Departamento de Biocatálisis, ICP-CSIC, Campus UAM-CSIC, Madrid, Spain; Department of Biology, Faculty of Philosophy, Sciences and Letters of Ribeirão Preto, University of São Paulo, Ribeirão Preto 14040-901, SP, Brazil
| | - José Alfredo Santiz-Gómez
- Tecnológico Nacional de México/Instituto Tecnológico de Tuxtla Gutiérrez, Carretera Panamericana Km. 1080, 29050 Tuxtla Gutiérrez, Chiapas, Mexico
| | - Ángel Berenguer-Murcia
- Departamento de Química Inorgánica e Instituto Universitario de Materiales, Universidad de Alicante, Alicante, Spain
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3
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Wu D, Wang J, Du X, Cao Y, Ping K, Liu D. Cucurbit[8]uril-based supramolecular theranostics. J Nanobiotechnology 2024; 22:235. [PMID: 38725031 PMCID: PMC11084038 DOI: 10.1186/s12951-024-02349-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2023] [Accepted: 02/20/2024] [Indexed: 05/12/2024] Open
Abstract
Different from most of the conventional platforms with dissatisfactory theranostic capabilities, supramolecular nanotheranostic systems have unparalleled advantages via the artful combination of supramolecular chemistry and nanotechnology. Benefiting from the tunable stimuli-responsiveness and compatible hierarchical organization, host-guest interactions have developed into the most popular mainstay for constructing supramolecular nanoplatforms. Characterized by the strong and diverse complexation property, cucurbit[8]uril (CB[8]) shows great potential as important building blocks for supramolecular theranostic systems. In this review, we summarize the recent progress of CB[8]-based supramolecular theranostics regarding the design, manufacture and theranostic mechanism. Meanwhile, the current limitations and corresponding reasonable solutions as well as the potential future development are also discussed.
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Affiliation(s)
- Dan Wu
- Department of Vascular Surgery, China-Japan Union Hospital, Jilin University, Changchun, 130033, People's Republic of China
- College of Materials Science and Engineering, Zhejiang University of Technology, Hangzhou, 310014, People's Republic of China
| | - Jianfeng Wang
- Department of Radiotherapy, China-Japan Union Hospital, Jilin University, Changchun, 130033, People's Republic of China
| | - Xianlong Du
- Bethune First Clinical Medical College, Jilin University, Changchun, 130012, People's Republic of China
| | - Yibin Cao
- College of Materials Science and Engineering, Zhejiang University of Technology, Hangzhou, 310014, People's Republic of China
| | - Kunmin Ping
- College of Materials Science and Engineering, Zhejiang University of Technology, Hangzhou, 310014, People's Republic of China
| | - Dahai Liu
- Department of Vascular Surgery, China-Japan Union Hospital, Jilin University, Changchun, 130033, People's Republic of China.
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4
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Mehta AY, Tilton CA, Muerner L, von Gunten S, Heimburg-Molinaro J, Cummings RD. Reusable glycan microarrays using a microwave assisted wet-erase (MAWE) process. Glycobiology 2024; 34:cwad091. [PMID: 37962922 PMCID: PMC10969520 DOI: 10.1093/glycob/cwad091] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2023] [Revised: 11/03/2023] [Indexed: 11/15/2023] Open
Abstract
Modern studies on binding of proteins to glycans commonly involve the use of synthetic glycans and their derivatives in which a small amount of the material is covalently printed onto a functionalized slide in a glycan microarray format. While incredibly useful to explore binding interactions with many types of samples, the common techniques involve drying the slides, which leads to irreversible association of the protein to the spots on slides to which they bound, thus limiting a microarray to a single use. We have developed a new technique which we term Microwave Assisted Wet-Erase (MAWE) glycan microarrays. In this approach we image the slides under wet conditions to acquire the data, after which the slides are cleaned of binding proteins by treatment with a denaturing SDS solution along with microwave treatment. Slides cleaned in this way can be reused multiple times, and an example here shows the reuse of a single array 15 times. We also demonstrate that this method can be used for a single-array per slide or multi-array per slide platforms. Importantly, the results obtained using this technique for a variety of lectins sequentially applied to a single array, are concordant to those obtained via the classical dry approaches on multiple slides. We also demonstrate that MAWE can be used for different types of samples, such as serum for antibody binding, and whole cells, such as yeast. This technique will greatly conserve precious glycans and prolong the use of existing and new glycan microarrays.
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Affiliation(s)
- Akul Y Mehta
- Department of Surgery, Beth Israel Deaconess Medical Center, National Center for Functional Glycomics, Harvard Medical School, 3 Blackfan Circle, Center for Life Sciences, Boston, MA 02115, United States
| | - Catherine A Tilton
- Department of Surgery, Beth Israel Deaconess Medical Center, National Center for Functional Glycomics, Harvard Medical School, 3 Blackfan Circle, Center for Life Sciences, Boston, MA 02115, United States
| | - Lukas Muerner
- Department of Surgery, Beth Israel Deaconess Medical Center, National Center for Functional Glycomics, Harvard Medical School, 3 Blackfan Circle, Center for Life Sciences, Boston, MA 02115, United States
- Institute of Pharmacology, University of Bern, Inselspital, INO-F, Bern 3010, Switzerland
| | - Stephan von Gunten
- Institute of Pharmacology, University of Bern, Inselspital, INO-F, Bern 3010, Switzerland
| | - Jamie Heimburg-Molinaro
- Department of Surgery, Beth Israel Deaconess Medical Center, National Center for Functional Glycomics, Harvard Medical School, 3 Blackfan Circle, Center for Life Sciences, Boston, MA 02115, United States
| | - Richard D Cummings
- Department of Surgery, Beth Israel Deaconess Medical Center, National Center for Functional Glycomics, Harvard Medical School, 3 Blackfan Circle, Center for Life Sciences, Boston, MA 02115, United States
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5
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Marglous S, Brown CE, Padler-Karavani V, Cummings RD, Gildersleeve JC. Serum antibody screening using glycan arrays. Chem Soc Rev 2024; 53:2603-2642. [PMID: 38305761 PMCID: PMC7616341 DOI: 10.1039/d3cs00693j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2024]
Abstract
Humans and other animals produce a diverse collection of antibodies, many of which bind to carbohydrate chains, referred to as glycans. These anti-glycan antibodies are a critical part of our immune systems' defenses. Whether induced by vaccination or natural exposure to a pathogen, anti-glycan antibodies can provide protection against infections and cancers. Alternatively, when an immune response goes awry, antibodies that recognize self-glycans can mediate autoimmune diseases. In any case, serum anti-glycan antibodies provide a rich source of information about a patient's overall health, vaccination history, and disease status. Glycan microarrays provide a high-throughput platform to rapidly interrogate serum anti-glycan antibodies and identify new biomarkers for a variety of conditions. In addition, glycan microarrays enable detailed analysis of the immune system's response to vaccines and other treatments. Herein we review applications of glycan microarray technology for serum anti-glycan antibody profiling.
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Affiliation(s)
- Samantha Marglous
- Chemical Biology Laboratory, Center for Cancer Research, National Cancer Institute, Frederick, MD, 21702, USA.
| | - Claire E Brown
- Chemical Biology Laboratory, Center for Cancer Research, National Cancer Institute, Frederick, MD, 21702, USA.
| | - Vered Padler-Karavani
- Department of Cell Research and Immunology, Shmunis School of Biomedicine and Cancer Research, George S. Wise Faculty of Life Sciences, Tel Aviv University, Tel Aviv, 69978, Israel.
| | - Richard D Cummings
- Department of Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, 02115, USA.
| | - Jeffrey C Gildersleeve
- Chemical Biology Laboratory, Center for Cancer Research, National Cancer Institute, Frederick, MD, 21702, USA.
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Podder MK, Hossain MM, Kabir SR, Asaduzzaman A, Hasan I. Antimicrobial, antioxidant and antiproliferative activities of a galactose-binding seed lectin from Manilkara zapota. Heliyon 2024; 10:e24592. [PMID: 38312555 PMCID: PMC10835259 DOI: 10.1016/j.heliyon.2024.e24592] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2023] [Revised: 01/01/2024] [Accepted: 01/10/2024] [Indexed: 02/06/2024] Open
Abstract
A seed lectin from Manilkara zapota (MZSL) was purified using ammonium sulphate precipitation and affinity chromatography. Hemagglutination activity, neutral sugar content and physicochemical properties of the lectin were determined and toxicity was checked by brine shrimp toxicity assay. Antimicrobial, antioxidant as well as in vitro anticancer activities of MZSL were also evaluated. Our findings showed the molecular weight of MZSL to be 33.0 ± 1 kDa. Minimum hemagglutination concentration of the lectin was 15.625 μg/ml. With a neutral sugar content of 6.32 %, the lectin was fully active at a temperature range of 30-50 °C and pH 7.0-8.0 and it was mildly toxic with an LC50 value of 107.93 μg/ml. The lectin demonstrated bacteriostatic activity against gram-positive bacteria in contrast to gram-negative bacteria at a concentration of 31.25 μg/ml, agglutinated Staphylococcus aureus and Shigella dysenteriae and exerted fungistatic activity against Aspergillus niger. MZSL dose-dependently reduced the formation of biofilm by E. coli. DPPH assay confirmed its antioxidant activity with an IC50 value of 96.42 μg/ml. MZSL showed 21.64 % growth inhibition against Ehrlich ascites carcinoma (EAC) cells at 80 μg/ml whereas its antiproliferative potential against MCF-7 and A-549 cancer cell lines became evident with IC50 values of 70.66 μg/ml and 107.64 μg/ml, respectively.
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Affiliation(s)
- Munna Kumar Podder
- Department of Biochemistry and Molecular Biology, University of Rajshahi, Rajshahi-6205, Bangladesh
| | - Md. Mikail Hossain
- Department of Biochemistry and Molecular Biology, University of Rajshahi, Rajshahi-6205, Bangladesh
| | - Syed Rashel Kabir
- Department of Biochemistry and Molecular Biology, University of Rajshahi, Rajshahi-6205, Bangladesh
| | - A.K.M. Asaduzzaman
- Department of Biochemistry and Molecular Biology, University of Rajshahi, Rajshahi-6205, Bangladesh
| | - Imtiaj Hasan
- Department of Biochemistry and Molecular Biology, University of Rajshahi, Rajshahi-6205, Bangladesh
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7
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Ghosh P, Patari N, Manisha C, Basavan D, Petchiappan V, Justin A. Reversal mechanism of multidrug-resistant cancer cells by lectin as chemo-adjuvant and targeted therapy- a systematic review. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2024; 123:155205. [PMID: 37980807 DOI: 10.1016/j.phymed.2023.155205] [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: 08/29/2023] [Revised: 11/04/2023] [Accepted: 11/08/2023] [Indexed: 11/21/2023]
Abstract
BACKGROUND Cancer is characterized as the leading cause of death, and the susceptibility of cancer cells to develop resistance due to long-term exposure to complementary chemotherapeutic treatment is referred to as multidrug resistance cancer cells (MDRC), which is a significant obstacle in the treatment of malignancies. Since complementary medicine lost its effectiveness, the development of potential alternative and novel therapeutic approaches has been elevated to a top priority in recent years. In this context, a bioactive protein lectin from plant and animal sources exhibits an invaluable source of anticancer agents with vast therapeutic potential. PURPOSE This manuscript's primary purpose is to enlighten the evidence-based (from 1986 to 2022) possible molecular mechanism of alternative treatment approaches using lectins over the complementary medicines used for cancer treatment. METHODS The PRISMA rules have been followed properly and qualitative and quantitative data are synthesized systematically. Articles were identified based on Clinical and preclinical reports published on lectin that investigated the in-depth cellular mechanisms, of reverse drug integrative oncology, as a nano-carried targeted delivery. Articles were systematically screened from 1986 to 2022 and selected based on electronic database searches, Medline (PubMed), Google Scholar, Web of Science, Encyclopaedias, Scopus, and ClinicalTrials.gov database. RESULTS The search turned up 4,212 publications from 38 different nations, of which 170 reference articles were used in our analysis, in 16 combination therapy and their mode of action, and 27 clinical trial studies including dosage and mechanism of action were included. Reports from the 30 lectins belonging to 28 different families have been included. The reversal mechanism of lectin and alternative therapy against MDRC is critically screened and according to a few clinical and preclinical reports, lectin can suppress the overexpressing genes like P-53, EGFR, and P-gp, MRP, and ABC transporter proteins associated with intracellular transportation of drugs. Since, the drug efflux mechanism leads to MDRC, in this phenomenon, lectin plays a key role in reversing the efflux mechanism. Few preclinical reports have mentioned that lectin shows synergism in combination with complementary medicine and as a nano drug carrier helps to deliver to the targeted site. CONCLUSION We have discussed the alternative therapy using lectin and an in-depth insight into the reversal drug resistance mechanisms to combat MDRC cancer, enhance the efficacy, reduce toxicity and adverse events, and ensure targeted delivery, and their application in the field of cancer diagnosis and prognosis has been discussed. However, further investigation is necessary in drug development and clinical trials which could be helpful to elaborate the reversal mechanism and unlock newer treatment modalities in MDRC cancer.
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Affiliation(s)
- Puja Ghosh
- Department of Pharmacology, JSS College of Pharmacy, JSS Academy of Higher Education & Research, Ooty, Nilgiris, Tamil Nadu 643 001, India
| | - Niloy Patari
- Lane Department of Computer Science and Electrical Engineering, West Virginia University, USA
| | - Chennu Manisha
- Department of Pharmacology, JSS College of Pharmacy, JSS Academy of Higher Education & Research, Ooty, Nilgiris, Tamil Nadu 643 001, India
| | - Duraiswamy Basavan
- Department of Pharmacognosy, JSS College of Pharmacy, Najwal, Vijaypur, Jammu 184 120, India
| | - Velammal Petchiappan
- Department of General Medicine, PSG Institute of Medical Sciences & Research, Coimbatore, Tamil Nadu 641 004, India
| | - Antony Justin
- Department of Pharmacology, JSS College of Pharmacy, JSS Academy of Higher Education & Research, Ooty, Nilgiris, Tamil Nadu 643 001, India.
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8
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Ghosh P, K M M, Pandey N, Basavan D. Jackfruit waste: an invented anticancer therapy using Jacalin lectin from jackfruit seed. Anticancer Drugs 2023; 34:1085-1093. [PMID: 37823283 DOI: 10.1097/cad.0000000000001447] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/13/2023]
Abstract
Every food source contains both edible and inedible waste components. Millions of tonnes of trash from the food business are made from fruits, and these wastes are containing higher-value medicinal components, such as alkaloids, flavonoids, phenolic contents, a huge amount of proteins and secondary metabolites. These bioactive phytoconstituents are being used for the treatment of many serious fatal diseases. So, utilizing the recovered bioactive molecules from food wastes as functional ingredients offers a long-term alternative source of therapeutically active components that will lead to the discovery of novel phytoconstituents or novel treatment approaches. The goal of this systematic study is to provide an overview of the jackfruit (Artocarpus heterophyllus Lam, Moraceae) edible byproducts, such as jackfruit seeds that are largely neglected. This seed contains numerous bioactive lead molecules, such as carbohydrate-binding protein jacalin, which exhibits potent anticancer activity against colon cancer, blood cancer and breast cancer as well as can enlighten the new possible treatment approaches in targeted therapy and photodynamic chemotherapy. Moreover, jackfruit waste seed can be taken as a dietary food, which is having property to prevent and treat cancer and other lifestyle diseases. The works that have been carried out to utilize jackfruit waste other than the juicy edible bulbs have been reviewed in this article.
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Affiliation(s)
- Puja Ghosh
- Department of Pharmacognosy, JSS College of Pharmacy, Ooty, Tamilnadu
| | - Muhasina K M
- Department of Pharmacognosy, JSS College of Pharmacy, Ooty, Tamilnadu
| | - Neelaxi Pandey
- Department of Zoology, Faculty of Science, Motherhood University, Roorkee, Uttarakhand, India
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Hussnaetter KP, Palm P, Pich A, Franzreb M, Rapp E, Elling L. Strategies for Automated Enzymatic Glycan Synthesis (AEGS). Biotechnol Adv 2023; 67:108208. [PMID: 37437855 DOI: 10.1016/j.biotechadv.2023.108208] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2022] [Revised: 06/30/2023] [Accepted: 07/07/2023] [Indexed: 07/14/2023]
Abstract
Glycans are the most abundant biopolymers on earth and are constituents of glycoproteins, glycolipids, and proteoglycans with multiple biological functions. The availability of different complex glycan structures is of major interest in biotechnology and basic research of biological systems. High complexity, establishment of general and ubiquitous synthesis techniques, as well as sophisticated analytics, are major challenges in the development of glycan synthesis strategies. Enzymatic glycan synthesis with Leloir-glycosyltransferases is an attractive alternative to chemical synthesis as it can achieve quantitative regio- and stereoselective glycosylation in a single step. Various strategies for synthesis of a wide variety of different glycan structures has already be established and will exemplarily be discussed in the scope of this review. However, the application of enzymatic glycan synthesis in an automated system has high demands on the equipment, techniques, and methods. Different automation approaches have already been shown. However, while these techniques have been applied for several glycans, only a few strategies are able to conserve the full potential of enzymatic glycan synthesis during the process - economical and enzyme technological recycling of enzymes is still rare. In this review, we show the major challenges towards Automated Enzymatic Glycan Synthesis (AEGS). First, we discuss examples for immobilization of glycans or glycosyltransferases as an important prerequisite for the embedment and implementation in an enzyme reactor. Next, improvement of bioreactors towards automation will be described. Finally, analysis and monitoring of the synthesis process are discussed. Furthermore, automation processes and cycle design are highlighted. Accordingly, the transition of recent approaches towards a universal automated glycan synthesis platform will be projected. To this end, this review aims to describe essential key features for AEGS, evaluate the current state-of-the-art and give thought- encouraging impulses towards future full automated enzymatic glycan synthesis.
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Affiliation(s)
- Kai Philip Hussnaetter
- Laboratory for Biomaterials, Institute for Biotechnology and Helmholtz-Institute for Biomedical Engineering, RWTH Aachen University, Pauwelsstraße 20, D-52074 Aachen, Germany
| | - Philip Palm
- Laboratory for Biomaterials, Institute for Biotechnology and Helmholtz-Institute for Biomedical Engineering, RWTH Aachen University, Pauwelsstraße 20, D-52074 Aachen, Germany
| | - Andrij Pich
- Functional and Interactive Polymers, Institute of Technical and Macromolecular Chemistry and DWI Leibniz-Institute for Interactive Materials e.V., RWTH Aachen University, Forckenbeckstr. 50, 52074 Aachen, Germany
| | - Matthias Franzreb
- Karlsruher Institute of Technology (KIT), Institute of Functional Interfaces, Hermann v. Helmholtz, Platz 1, 76344 Eggenstein-Leopoldshafen, Germany
| | - Erdmann Rapp
- glyXera GmbH, Brenneckestrasse 20 * ZENIT, 39120 Magdeburg, Germany; Max Planck Institute for Dynamics of Complex Technical System, Bioprocess Engineering, Sandtorstrasse 1, 39106 Magdeburg, Germany
| | - Lothar Elling
- Laboratory for Biomaterials, Institute for Biotechnology and Helmholtz-Institute for Biomedical Engineering, RWTH Aachen University, Pauwelsstraße 20, D-52074 Aachen, Germany.
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10
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Ma W, Xu Z, Jiang Y, Liu J, Xu D, Huang W, Li T. Divergent Enzymatic Assembly of a Comprehensive 64-Membered IgG N-Glycan Library for Functional Glycomics. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2023; 10:e2303832. [PMID: 37632720 PMCID: PMC10602528 DOI: 10.1002/advs.202303832] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/12/2023] [Revised: 07/25/2023] [Indexed: 08/28/2023]
Abstract
N-Glycosylation, a main post-translational modification of Immunoglobulin G (IgG), plays a significant role in modulating the immune functions of IgG. However, the precise function elucidation of IgG N-glycosylation remains impeded due to the obstacles in obtaining comprehensive and well-defined N-glycans. Here, an easy-to-implement divergent approach is described to synthesize a 64-membered IgG N-glycan library covering all possible biantennary and bisected N-glycans by reprogramming biosynthetic assembly lines based on the inherent branch selectivity and substrate specificity of enzymes. The unique binding specificities of 64 N-glycans with different proteins are deciphered by glycan microarray technology. This unprecedented collection of synthetic IgG N-glycans can serve as standards for N-glycan structure identification in complex biological samples and the microarray data enrich N-glycan glycomics to facilitate biomedical applications.
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Affiliation(s)
- Wenjing Ma
- State Key Laboratory of Chemical Biology, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, 201203, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Zhuojia Xu
- State Key Laboratory of Chemical Biology, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, 201203, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Yuhan Jiang
- State Key Laboratory of Chemical Biology, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, 201203, China
| | - Jialin Liu
- State Key Laboratory of Chemical Biology, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, 201203, China
| | - Dandan Xu
- School of Pharmaceutical Science and Technology, Hangzhou Institute of Advanced Study, Hangzhou, 310024, China
| | - Wei Huang
- State Key Laboratory of Chemical Biology, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, 201203, China
- School of Pharmaceutical Science and Technology, Hangzhou Institute of Advanced Study, Hangzhou, 310024, China
| | - Tiehai Li
- State Key Laboratory of Chemical Biology, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, 201203, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
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11
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Serna S, Artschwager R, Pérez-Martínez D, Lopez R, Reichardt NC. A Versatile Urea Type Linker for Functionalizing Natural Glycans and Its Validation in Glycan Arrays. Chemistry 2023; 29:e202301494. [PMID: 37347819 DOI: 10.1002/chem.202301494] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2023] [Revised: 06/21/2023] [Accepted: 06/22/2023] [Indexed: 06/24/2023]
Abstract
The isolation from organisms and readily available glycoproteins has become an increasingly convenient source of N-glycans for multiple applications including glycan microarrays, as reference standards in glycan analysis or as reagents that improve bioavailability of protein and peptide therapeutics through conjugation. A problematic step in the isolation process on a preparative scale can be the attachment of a linker for the improved purification, separation, immobilization and quantification of the glycan structures. Addressing this issue, we firstly aimed for the development of an UV active linker for a fast and reliable attachment to anomeric glycosylamines via urea bond formation. Secondly, we validated the new linker on glycan arrays in a comparative study with a collection of N-glycans which were screened against various lectins. In total, we coupled four structurally varied N-glycans to four different linkers, immobilized all constructs on a microarray and compared their binding affinities to four plant and fungal lectins of widely described specificity. Our study shows that the urea type linker showed an overall superior performance for lectin binding and once more, highlights the often neglected influence of the choice of linker on lectin recognition.
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Affiliation(s)
- Sonia Serna
- Glycotechnology Group, Basque Research and Technology Alliance (BRTA) CIC biomaGUNE, Paseo Miramon 194, 20014, Donostia-San Sebastián, Spain
| | - Raik Artschwager
- Glycotechnology Group, Basque Research and Technology Alliance (BRTA) CIC biomaGUNE, Paseo Miramon 194, 20014, Donostia-San Sebastián, Spain
- Current address: Memorial Sloan Kettering Cancer Center New York, New York, 10065, USA
| | - Damián Pérez-Martínez
- Glycotechnology Group, Basque Research and Technology Alliance (BRTA) CIC biomaGUNE, Paseo Miramon 194, 20014, Donostia-San Sebastián, Spain
| | - Rosa Lopez
- Organic Chemistry Department I, University of the Basque Country (UPV/EHU), Paseo Manuel Lardizabal 3, 20018, Donostia-San Sebastián, Spain
| | - Niels-Christian Reichardt
- Glycotechnology Group, Basque Research and Technology Alliance (BRTA) CIC biomaGUNE, Paseo Miramon 194, 20014, Donostia-San Sebastián, Spain
- CIBER-BBN, Paseo Miramon 194, 20014, Donostia-San Sebastián, Spain
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12
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Xia B, Fang J, Ma S, Ma M, Yao G, Li T, Cheng X, Wen L, Gao Z. Mapping the Acetylamino and Carboxyl Groups on Glycans by Engineered α-Hemolysin Nanopores. J Am Chem Soc 2023; 145:18812-18824. [PMID: 37527445 DOI: 10.1021/jacs.3c03563] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/03/2023]
Abstract
Glycan is a crucial class of biological macromolecules with important biological functions. Functional groups determine the chemical properties of glycans, which further affect their biological activities. However, the structural complexity of glycans has set a technical hurdle for their direct identification. Nanopores have emerged as highly sensitive biosensors that are capable of detecting and characterizing various analytes. Here, we identified the functional groups on glycans with a designed α-hemolysin nanopore containing arginine mutations (M113R), which is specifically sensitive to glycans with acetamido and carboxyl groups. Molecular dynamics simulations indicated that the acetamido and carboxyl groups of the glycans produce unique electrical signatures by forming polar and electrostatic interactions with the M113R nanopores. Using these electrical features as the fingerprints, we mapped the length of the glycans containing acetamido and carboxyl groups at the monosaccharide, disaccharide, and trisaccharide levels. This proof-of-concept study provides a promising foundation for developing single-molecule glycan fingerprinting libraries and demonstrates the capability of biological nanopores in glycan sequencing.
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Affiliation(s)
- Bingqing Xia
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
- University of Chinese Academy of Sciences, 19A Yuquan Road, Beijing 100049, China
| | - Jie Fang
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
- University of Chinese Academy of Sciences, 19A Yuquan Road, Beijing 100049, China
- School of Chinese Materia Medica, Nanjing University of Chinese Medicine, Nanjing 210046, China
| | - Shengzhou Ma
- University of Chinese Academy of Sciences, 19A Yuquan Road, Beijing 100049, China
- Carbohydrate-Based Drug Research Center, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
| | - Mengyao Ma
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
- University of Chinese Academy of Sciences, 19A Yuquan Road, Beijing 100049, China
| | - Guangda Yao
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
- University of Chinese Academy of Sciences, 19A Yuquan Road, Beijing 100049, China
- Lingang Laboratory, School of Life Science and Technology, Shanghai Tech University, Shanghai 200031, China
| | - Tiehai Li
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
- University of Chinese Academy of Sciences, 19A Yuquan Road, Beijing 100049, China
| | - Xi Cheng
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
- University of Chinese Academy of Sciences, 19A Yuquan Road, Beijing 100049, China
- School of Pharmaceutical Science and Technology, Hangzhou Institute of Advanced Study, Hangzhou, China
| | - Liuqing Wen
- University of Chinese Academy of Sciences, 19A Yuquan Road, Beijing 100049, China
- Carbohydrate-Based Drug Research Center, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
| | - Zhaobing Gao
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
- University of Chinese Academy of Sciences, 19A Yuquan Road, Beijing 100049, China
- School of Chinese Materia Medica, Nanjing University of Chinese Medicine, Nanjing 210046, China
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13
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Kundalia PH, Pažitná L, Kianičková K, Jáné E, Lorencová L, Katrlík J. A Holistic 4D Approach to Optimize Intrinsic and Extrinsic Factors Contributing to Variability in Microarray Biosensing in Glycomics. SENSORS (BASEL, SWITZERLAND) 2023; 23:5362. [PMID: 37420529 DOI: 10.3390/s23125362] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/28/2023] [Revised: 05/27/2023] [Accepted: 06/04/2023] [Indexed: 07/09/2023]
Abstract
Protein-carbohydrate interactions happen to be a crucial facet of biology, discharging a myriad of functions. Microarrays have become a premier choice to discern the selectivity, sensitivity and breadth of these interactions in a high-throughput manner. The precise recognition of target glycan ligands among the plethora of others is central for any glycan-targeting probe being tested by microarray analyses. Ever since the introduction of the microarray as an elemental tool for high-throughput glycoprofiling, numerous distinct array platforms possessing different customizations and assemblies have been developed. Accompanying these customizations are various factors ushering variances across array platforms. In this primer, we investigate the influence of various extrinsic factors, namely printing parameters, incubation procedures, analyses and array storage conditions on the protein-carbohydrate interactions and evaluate these factors for the optimal performance of microarray glycomics analysis. We hereby propose a 4D approach (Design-Dispense-Detect-Deduce) to minimize the effect of these extrinsic factors on glycomics microarray analyses and thereby streamline cross-platform analyses and comparisons. This work will aid in optimizing microarray analyses for glycomics, minimize cross-platform disparities and bolster the further development of this technology.
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Affiliation(s)
- Paras H Kundalia
- Department of Glycobiotechnology, Institute of Chemistry, Slovak Academy of Sciences, SK-84538 Bratislava, Slovakia
| | - Lucia Pažitná
- Department of Glycobiotechnology, Institute of Chemistry, Slovak Academy of Sciences, SK-84538 Bratislava, Slovakia
| | - Kristína Kianičková
- Department of Glycobiotechnology, Institute of Chemistry, Slovak Academy of Sciences, SK-84538 Bratislava, Slovakia
| | - Eduard Jáné
- Department of Glycobiotechnology, Institute of Chemistry, Slovak Academy of Sciences, SK-84538 Bratislava, Slovakia
| | - Lenka Lorencová
- Department of Glycobiotechnology, Institute of Chemistry, Slovak Academy of Sciences, SK-84538 Bratislava, Slovakia
| | - Jaroslav Katrlík
- Department of Glycobiotechnology, Institute of Chemistry, Slovak Academy of Sciences, SK-84538 Bratislava, Slovakia
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14
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Wu SC, Jan HM, Vallecillo-Zúniga ML, Rathgeber MF, Stowell CS, Murdock KL, Patel KR, Nakahara H, Stowell CJ, Nahm MH, Arthur CM, Cummings RD, Stowell SR. Whole microbe arrays accurately predict interactions and overall antimicrobial activity of galectin-8 toward distinct strains of Streptococcus pneumoniae. Sci Rep 2023; 13:5324. [PMID: 37005394 PMCID: PMC10067959 DOI: 10.1038/s41598-023-27964-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2022] [Accepted: 01/10/2023] [Indexed: 04/04/2023] Open
Abstract
Microbial glycan microarrays (MGMs) populated with purified microbial glycans have been used to define the specificity of host immune factors toward microbes in a high throughput manner. However, a limitation of such arrays is that glycan presentation may not fully recapitulate the natural presentation that exists on microbes. This raises the possibility that interactions observed on the array, while often helpful in predicting actual interactions with intact microbes, may not always accurately ascertain the overall affinity of a host immune factor for a given microbe. Using galectin-8 (Gal-8) as a probe, we compared the specificity and overall affinity observed using a MGM populated with glycans harvested from various strains of Streptococcus pneumoniae to an intact microbe microarray (MMA). Our results demonstrate that while similarities in binding specificity between the MGM and MMA are apparent, Gal-8 binding toward the MMA more accurately predicted interactions with strains of S. pneumoniae, including the overall specificity of Gal-8 antimicrobial activity. Taken together, these results not only demonstrate that Gal-8 possesses antimicrobial activity against distinct strains of S. pneumoniae that utilize molecular mimicry, but that microarray platforms populated with intact microbes present an advantageous strategy when exploring host interactions with microbes.
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Affiliation(s)
- Shang-Chuen Wu
- Joint Program in Transfusion Medicine, Department of Pathology, Brigham and Women's Hospital, National Center for Functional Glycomics, 630E New Research Building, Harvard Medical School, 77 Avenue Louis Pasteur, Boston, MA, 02115, USA
| | - Hau-Ming Jan
- Joint Program in Transfusion Medicine, Department of Pathology, Brigham and Women's Hospital, National Center for Functional Glycomics, 630E New Research Building, Harvard Medical School, 77 Avenue Louis Pasteur, Boston, MA, 02115, USA
| | - Mary L Vallecillo-Zúniga
- Joint Program in Transfusion Medicine, Department of Pathology, Brigham and Women's Hospital, National Center for Functional Glycomics, 630E New Research Building, Harvard Medical School, 77 Avenue Louis Pasteur, Boston, MA, 02115, USA
| | - Matthew F Rathgeber
- Joint Program in Transfusion Medicine, Department of Pathology, Brigham and Women's Hospital, National Center for Functional Glycomics, 630E New Research Building, Harvard Medical School, 77 Avenue Louis Pasteur, Boston, MA, 02115, USA
| | - Caleb S Stowell
- Joint Program in Transfusion Medicine, Department of Pathology, Brigham and Women's Hospital, National Center for Functional Glycomics, 630E New Research Building, Harvard Medical School, 77 Avenue Louis Pasteur, Boston, MA, 02115, USA
| | - Kaleb L Murdock
- Joint Program in Transfusion Medicine, Department of Pathology, Brigham and Women's Hospital, National Center for Functional Glycomics, 630E New Research Building, Harvard Medical School, 77 Avenue Louis Pasteur, Boston, MA, 02115, USA
| | - Kashyap R Patel
- Joint Program in Transfusion Medicine, Department of Pathology, Brigham and Women's Hospital, National Center for Functional Glycomics, 630E New Research Building, Harvard Medical School, 77 Avenue Louis Pasteur, Boston, MA, 02115, USA
| | - Hirotomo Nakahara
- Joint Program in Transfusion Medicine, Department of Pathology, Brigham and Women's Hospital, National Center for Functional Glycomics, 630E New Research Building, Harvard Medical School, 77 Avenue Louis Pasteur, Boston, MA, 02115, USA
| | - Carter J Stowell
- Joint Program in Transfusion Medicine, Department of Pathology, Brigham and Women's Hospital, National Center for Functional Glycomics, 630E New Research Building, Harvard Medical School, 77 Avenue Louis Pasteur, Boston, MA, 02115, USA
| | - Moon H Nahm
- Department of Medicine, University of Alabama at Birmingham, 1720 2nd Ave South Birmingham, Alabama, 35294, USA
| | - Connie M Arthur
- Joint Program in Transfusion Medicine, Department of Pathology, Brigham and Women's Hospital, National Center for Functional Glycomics, 630E New Research Building, Harvard Medical School, 77 Avenue Louis Pasteur, Boston, MA, 02115, USA
| | - Richard D Cummings
- Harvard Glycomics Center, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, 02115, USA
| | - Sean R Stowell
- Joint Program in Transfusion Medicine, Department of Pathology, Brigham and Women's Hospital, National Center for Functional Glycomics, 630E New Research Building, Harvard Medical School, 77 Avenue Louis Pasteur, Boston, MA, 02115, USA.
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15
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Bose P, Jaiswal MK, Singh SK, Singh RK, Tiwari VK. Growing impact of sialic acid-containing glycans in future drug discovery. Carbohydr Res 2023; 527:108804. [PMID: 37031650 DOI: 10.1016/j.carres.2023.108804] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2023] [Revised: 03/21/2023] [Accepted: 03/29/2023] [Indexed: 04/05/2023]
Abstract
In nature, almost all cells are covered with a complex array of glycan chain namely sialic acids or nuraminic acids, a negatively charged nine carbon sugars which is considered for their great therapeutic importance since long back. Owing to its presence at the terminal end of lipid bilayer (commonly known as terminal sugars), the well-defined sialosides or sialoconjugates have served pivotal role on the cell surfaces and thus, the sialic acid-containing glycans can modulate and mediate a number of imperative cellular interactions. Understanding of the sialo-protein interaction and their roles in vertebrates in regard of normal physiology, pathological variance, and evolution has indeed a noteworthy journey in medicine. In this tutorial review, we present a concise overview about the structure, linkages in chemical diversity, biological significance followed by chemical and enzymatic modification/synthesis of sialic acid containing glycans. A more focus is attempted about the recent advances, opportunity, and more over growing impact of sialosides and sialoconjugates in future drug discovery and development.
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16
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Aparna GM, Tetala KKR. Recent Progress in Development and Application of DNA, Protein, Peptide, Glycan, Antibody, and Aptamer Microarrays. Biomolecules 2023; 13:602. [PMID: 37189350 PMCID: PMC10135839 DOI: 10.3390/biom13040602] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2022] [Revised: 03/12/2023] [Accepted: 03/13/2023] [Indexed: 03/29/2023] Open
Abstract
Microarrays are one of the trailblazing technologies of the last two decades and have displayed their importance in all the associated fields of biology. They are widely explored to screen, identify, and gain insights on the characteristics traits of biomolecules (individually or in complex solutions). A wide variety of biomolecule-based microarrays (DNA microarrays, protein microarrays, glycan microarrays, antibody microarrays, peptide microarrays, and aptamer microarrays) are either commercially available or fabricated in-house by researchers to explore diverse substrates, surface coating, immobilization techniques, and detection strategies. The aim of this review is to explore the development of biomolecule-based microarray applications since 2018 onwards. Here, we have covered a different array of printing strategies, substrate surface modification, biomolecule immobilization strategies, detection techniques, and biomolecule-based microarray applications. The period of 2018-2022 focused on using biomolecule-based microarrays for the identification of biomarkers, detection of viruses, differentiation of multiple pathogens, etc. A few potential future applications of microarrays could be for personalized medicine, vaccine candidate screening, toxin screening, pathogen identification, and posttranslational modifications.
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Affiliation(s)
| | - Kishore K. R. Tetala
- Centre for Bioseparation Technology (CBST), Vellore Institute of Technology (VIT), Vellore 632014, Tamilnadu, India;
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17
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HS, an Ancient Molecular Recognition and Information Storage Glycosaminoglycan, Equips HS-Proteoglycans with Diverse Matrix and Cell-Interactive Properties Operative in Tissue Development and Tissue Function in Health and Disease. Int J Mol Sci 2023; 24:ijms24021148. [PMID: 36674659 PMCID: PMC9867265 DOI: 10.3390/ijms24021148] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2022] [Revised: 12/23/2022] [Accepted: 12/27/2022] [Indexed: 01/11/2023] Open
Abstract
Heparan sulfate is a ubiquitous, variably sulfated interactive glycosaminoglycan that consists of repeating disaccharides of glucuronic acid and glucosamine that are subject to a number of modifications (acetylation, de-acetylation, epimerization, sulfation). Variable heparan sulfate chain lengths and sequences within the heparan sulfate chains provide structural diversity generating interactive oligosaccharide binding motifs with a diverse range of extracellular ligands and cellular receptors providing instructional cues over cellular behaviour and tissue homeostasis through the regulation of essential physiological processes in development, health, and disease. heparan sulfate and heparan sulfate-PGs are integral components of the specialized glycocalyx surrounding cells. Heparan sulfate is the most heterogeneous glycosaminoglycan, in terms of its sequence and biosynthetic modifications making it a difficult molecule to fully characterize, multiple ligands also make an elucidation of heparan sulfate functional properties complicated. Spatio-temporal presentation of heparan sulfate sulfate groups is an important functional determinant in tissue development and in cellular control of wound healing and extracellular remodelling in pathological tissues. The regulatory properties of heparan sulfate are mediated via interactions with chemokines, chemokine receptors, growth factors and morphogens in cell proliferation, differentiation, development, tissue remodelling, wound healing, immune regulation, inflammation, and tumour development. A greater understanding of these HS interactive processes will improve therapeutic procedures and prognoses. Advances in glycosaminoglycan synthesis and sequencing, computational analytical carbohydrate algorithms and advanced software for the evaluation of molecular docking of heparan sulfate with its molecular partners are now available. These advanced analytic techniques and artificial intelligence offer predictive capability in the elucidation of heparan sulfate conformational effects on heparan sulfate-ligand interactions significantly aiding heparan sulfate therapeutics development.
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18
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Ruprecht C, Blaukopf M, Pfrengle F. Synthetic fragments of plant polysaccharides as tools for cell wall biology. Curr Opin Chem Biol 2022; 71:102208. [PMID: 36108403 DOI: 10.1016/j.cbpa.2022.102208] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2022] [Revised: 08/08/2022] [Accepted: 08/09/2022] [Indexed: 01/27/2023]
Abstract
A sustainable bioeconomy that includes increased agricultural productivity and new technologies to convert renewable biomass to value-added products may help meet the demands of a growing world population for food, energy and materials. The potential use of plant biomass is determined by the properties of the cell walls, consisting of polysaccharides, proteins, and the polyphenolic polymer lignin. Comprehensive knowledge of cell wall glycan structure and biosynthesis is therefore essential for optimal utilization. However, several areas of plant cell wall research are hampered by a lack of available pure oligosaccharide samples that represent structural features of cell wall glycans. Here, we provide an update on recent chemical syntheses of plant cell wall oligosaccharides and their application in characterizing plant cell wall-directed antibodies and carbohydrate-active enzymes including glycosyltransferases and glycosyl hydrolases, with a particular focus on glycan array technology.
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Affiliation(s)
- Colin Ruprecht
- Department of Chemistry, University of Natural Resources and Life Sciences Vienna, Muthgasse 18, 1190 Vienna, Austria
| | - Markus Blaukopf
- Department of Chemistry, University of Natural Resources and Life Sciences Vienna, Muthgasse 18, 1190 Vienna, Austria
| | - Fabian Pfrengle
- Department of Chemistry, University of Natural Resources and Life Sciences Vienna, Muthgasse 18, 1190 Vienna, Austria.
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19
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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: 115] [Impact Index Per Article: 57.5] [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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20
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Micallef J, Baker AN, Richards SJ, Soutar DE, Georgiou PG, Walker M, Gibson MI. Polymer-tethered glyconanoparticle colourimetric biosensors for lectin binding: structural and experimental parameters to ensure a robust output. RSC Adv 2022; 12:33080-33090. [PMID: 36425181 PMCID: PMC9672907 DOI: 10.1039/d2ra06265h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2022] [Accepted: 11/07/2022] [Indexed: 11/19/2022] Open
Abstract
Glycan-lectin interactions play essential roles in biology; as the site of attachment for pathogens, cell-cell communication, and as crucial players in the immune system. Identifying if a new glycan (natural or unnatural) binds a protein partner, or if a new protein (or mutant) binds a glycan remains a non-trivial problem, with few accessible or low-cost tools available. Micro-arrays allow for the interrogation of 100's of glycans but are not widely available in individual laboratories. Biophysical techniques such as isothermal titration calorimetry, surface plasmon resonance spectrometry, biolayer interferometry and nuclear magnetic resonance spectroscopy all provide detailed understanding of glycan binding but are relatively expensive. Glycosylated plasmonic nanoparticles based on gold cores with polymeric tethers have emerged as biosensors to detect glycan-protein binding, based on colourimetric (red to blue) outputs which can be easily interpreted by a simple UV-visible spectrometer or by eye. Despite the large number of reports there are no standard protocols for each system or recommended start points, to allow a new user to deploy this technology. Here we explore the key parameters of nanoparticle size, polymeric tether length and gold concentration to provide some guidelines for how polymer-tethered glycosylated gold nanoparticles can be used to probe a new glycan/protein interactions, with minimal optimisation barriers. This work aimed to remove the need to explore chemical and nanoparticle space and hence remove a barrier for other users when deploying this system. We show that the concentration of the gold core is crucial to balance strong responses versus false positives and recommend a gold core size and polymer tether length which balances sufficient colloidal stability and output. Whilst subtle differences between glycans/lectins will impact the outcomes, these parameters should enable a lab user to quickly evaluate binding using minimal quantities of the glycan and lectin, to select candidates for further study.
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Affiliation(s)
| | | | | | | | | | - Marc Walker
- Department of Physics, University of Warwick CV4 7AL UK
| | - Matthew I Gibson
- Department of Chemistry, University of Warwick CV4 7AL UK
- Division of Biomedical Sciences, Warwick Medical School, University of Warwick Gibbet Hill Road CV4 7AL Coventry UK
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21
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Bertuzzi S, Peccati F, Serna S, Artschwager R, Notova S, Thépaut M, Jiménez-Osés G, Fieschi F, Reichardt NC, Jiménez-Barbero J, Ardá A. Immobilization of Biantennary N-Glycans Leads to Branch Specific Epitope Recognition by LSECtin. ACS CENTRAL SCIENCE 2022; 8:1415-1423. [PMID: 36313162 PMCID: PMC9615123 DOI: 10.1021/acscentsci.2c00719] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/20/2022] [Indexed: 05/04/2023]
Abstract
The molecular recognition features of LSECtin toward asymmetric N-glycans have been scrutinized by NMR and compared to those occurring in glycan microarrays. A pair of positional glycan isomers (LDN3 and LDN6), a nonelongated GlcNAc4Man3 N-glycan (G0), and the minimum binding epitope (the GlcNAcβ1-2Man disaccharide) have been used to shed light on the preferred binding modes under both experimental conditions. Strikingly, both asymmetric LDN3 and LDN6 N-glycans are recognized by LSECtin with similar affinities in solution, in sharp contrast to the results obtained when those glycans are presented on microarrays, where only LDN6 was efficiently recognized by the lectin. Thus, different results can be obtained using different experimental approaches, pointing out the tremendous difficulty of translating in vitro results to the in vivo environment.
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Affiliation(s)
- Sara Bertuzzi
- Basque
Research & Technology Alliance (BRTA), Chemical Glycobiology Group, CIC bioGUNE, Bizkaia Technology Park, Building 800, 48160 Derio, Bizkaia, Spain
| | - Francesca Peccati
- Basque Research
& Technology Alliance (BRTA), Computational Chemistry Group, CIC bioGUNE, Bizkaia Technology Park, Building 800, 48160 Derio, Bizkaia, Spain
| | - Sonia Serna
- Glycotechnology
Group, Basque Research and Technology Alliance (BRTA), CIC biomaGUNE, Paseo Miramón 182, 20014 San Sebastian, Spain
| | - Raik Artschwager
- Glycotechnology
Group, Basque Research and Technology Alliance (BRTA), CIC biomaGUNE, Paseo Miramón 182, 20014 San Sebastian, Spain
- Memorial
Sloan Kettering Cancer Center, 417 East 68th Street, New
York, New York 10065, United States
| | - Simona Notova
- CNRS,
CEA, Institut de Biologie Structurale, University
of Grenoble Alpes, 38000 Grenoble, France
| | - Michel Thépaut
- CNRS,
CEA, Institut de Biologie Structurale, University
of Grenoble Alpes, 38000 Grenoble, France
| | - Gonzalo Jiménez-Osés
- Basque Research
& Technology Alliance (BRTA), Computational Chemistry Group, CIC bioGUNE, Bizkaia Technology Park, Building 800, 48160 Derio, Bizkaia, Spain
- Ikerbasque,
Basque Foundation for Science, Maria Diaz de Haro 3, 48013 Bilbao, Bizkaia, Spain
| | - Franck Fieschi
- CNRS,
CEA, Institut de Biologie Structurale, University
of Grenoble Alpes, 38000 Grenoble, France
- E-mail:
| | - Niels C. Reichardt
- Glycotechnology
Group, Basque Research and Technology Alliance (BRTA), CIC biomaGUNE, Paseo Miramón 182, 20014 San Sebastian, Spain
- CIBER-BBN, Paseo Miramón 182, 20009 San Sebastian, Spain
- E-mail:
| | - Jesús Jiménez-Barbero
- Basque
Research & Technology Alliance (BRTA), Chemical Glycobiology Group, CIC bioGUNE, Bizkaia Technology Park, Building 800, 48160 Derio, Bizkaia, Spain
- Ikerbasque,
Basque Foundation for Science, Maria Diaz de Haro 3, 48013 Bilbao, Bizkaia, Spain
- Department
of Organic Chemistry, II Faculty of Science
and Technology University of the Basque Country, EHU-UPV, 48940 Leioa, Spain
- Centro
de Investigación Biomédica En Red de Enfermedades Respiratorias, 28029 Madrid, Spain
- E-mail:
| | - Ana Ardá
- Basque
Research & Technology Alliance (BRTA), Chemical Glycobiology Group, CIC bioGUNE, Bizkaia Technology Park, Building 800, 48160 Derio, Bizkaia, Spain
- Ikerbasque,
Basque Foundation for Science, Maria Diaz de Haro 3, 48013 Bilbao, Bizkaia, Spain
- E-mail:
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22
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Ho AD, Wu SC, Kamili NA, Blenda AV, Cummings RD, Stowell SR, Arthur CM. An Automated Approach to Assess Relative Galectin-Glycan Affinity Following Glycan Microarray Analysis. Front Mol Biosci 2022; 9:893185. [PMID: 36032675 PMCID: PMC9403319 DOI: 10.3389/fmolb.2022.893185] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2022] [Accepted: 05/20/2022] [Indexed: 12/02/2022] Open
Abstract
Numerous studies have highlighted the utility of glycan microarray analysis for the elucidation of protein-glycan interactions. However, most current glycan microarray studies analyze glycan binding protein (GBP)-glycan interactions at a single protein concentration. While this approach provides useful information related to a GBP's overall binding capabilities, extrapolation of true glycan binding preferences using this method fails to account for printing variations or other factors that may confound relative binding. To overcome this limitation, we examined glycan array binding of three galectins over a range of concentrations to allow for a more complete assessment of binding preferences. This approach produced a richer data set than single concentration analysis and provided more accurate identification of true glycan binding preferences. However, while this approach can be highly informative, currently available data analysis approaches make it impractical to perform binding isotherms for each glycan present on currently available platforms following GBP evaluation. To overcome this limitation, we developed a method to directly optimize the efficiency of assessing association constants following multi-GBP concentration glycan array analysis. To this end, we developed programs that automatically analyze raw array data (kdMining) to generate output graphics (kaPlotting) following array analysis at multiple doses. These automatic programing methods reduced processing time from 32.8 h to 1.67 min. Taken together, these results demonstrate an effective approach to glycan array analysis that provides improved detail and efficiency when compared to previous methods.
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Affiliation(s)
- Alex D. Ho
- Joint Program in Transfusion Medicine, Department of Pathology, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA, United States
| | - Shang-Chuen Wu
- Joint Program in Transfusion Medicine, Department of Pathology, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA, United States
| | - Nourine A. Kamili
- Joint Program in Transfusion Medicine, Department of Pathology, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA, United States
| | - Anna V. Blenda
- Department of Biomedical Sciences, University of South Carolina School of Medicine Greenville, Greenville, SC, United States
| | - Richard D. Cummings
- Department of Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, United States
| | - Sean R. Stowell
- Joint Program in Transfusion Medicine, Department of Pathology, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA, United States
| | - Connie M. Arthur
- Joint Program in Transfusion Medicine, Department of Pathology, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA, United States
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23
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Anwar MT, Adak AK, Kawade SK, Wu HR, Angata T, Lin CC. Combining CuAAC reaction enables sialylated Bi- and triantennary pseudo mannose N-glycans for investigating Siglec-7 interactions. Bioorg Med Chem 2022; 67:116839. [PMID: 35640379 DOI: 10.1016/j.bmc.2022.116839] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2022] [Revised: 05/16/2022] [Accepted: 05/17/2022] [Indexed: 11/02/2022]
Abstract
Naturally occurring N-glycans display much diversity in modifications, linkages, and peripheral presentation of the oligosaccharide chain. Despite continued advancements in oligosaccharide synthesis, synthetic access to these natural glycans remains challenging. Biologically relevant complex N-glycan mimetics with various natural and unnatural modifications are an alternate way for investigating glycan-protein interactions. Further supporting this pattern, we report here a new class of sialylated bi- and triantennary pseudo mannose N-glycans reproducing orientation of the underlying glycan chain and branching patterns and replacing the two inner mannopyranosyl units with 1,2,3-triazole rings. Such mimetics are straightforwardly generated by implementing multiple intermolecular Cu(I)-catalyzed azide-alkyne cycloaddition between chemoenzymatically synthesized azido sialosides and rationally designed C-3 and C-6 di-O- or C-2, C-3, and C-6 tri-O-alkynylated mannoside. Human recombinant Siglec-7-Fc fusion protein recognizes almost all sialylated pseudo mannose N-glycans in the microarray. However, a differential Sia-binding pattern was also observed. Given the library size, comparison of pairwise mannose N-glycan combinations showed that biantennary linear α(2,3)α(2,8)- and α(2,6)α(2,8)- or branched α(2,3)α(2,6)-, and triantennary branched α(2,3)α(2,6)-sialyl pseudo N-glycans possess similar binding capabilities and affinity to recombinant Siglec-7-Fc. While the full range of topological mannose arms remain elusive, the bi- and triantennary mimics are simpler structures for interrogating Siglec interactions.
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Affiliation(s)
| | - Avijit K Adak
- Department of Chemistry, National Tsing Hua University, Hsinchu 30044, Taiwan
| | - Sachin Kisan Kawade
- Department of Chemistry, National Tsing Hua University, Hsinchu 30044, Taiwan
| | - Hsin-Ru Wu
- Instrumentation Center, National Tsing Hua University, Hsinchu 30044, Taiwan
| | - Takashi Angata
- Institute of Biological Chemistry, Academia Sinica, Taipei 11529, Taiwan
| | - Chun-Cheng Lin
- Department of Chemistry, National Tsing Hua University, Hsinchu 30044, Taiwan; Department of Medicinal and Applied Chemistry, Kaohsiung Medical University, Kaohsiung 80708, Taiwan.
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24
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Griffin ME, Hsieh-Wilson LC. Tools for mammalian glycoscience research. Cell 2022; 185:2657-2677. [PMID: 35809571 PMCID: PMC9339253 DOI: 10.1016/j.cell.2022.06.016] [Citation(s) in RCA: 24] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2022] [Revised: 06/08/2022] [Accepted: 06/08/2022] [Indexed: 10/17/2022]
Abstract
Cellular carbohydrates or glycans are critical mediators of biological function. Their remarkably diverse structures and varied activities present exciting opportunities for understanding many areas of biology. In this primer, we discuss key methods and recent breakthrough technologies for identifying, monitoring, and manipulating glycans in mammalian systems.
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Affiliation(s)
- Matthew E. Griffin
- Department of Chemistry, University of California Irvine, Irvine, CA 92697, USA
| | - Linda C. Hsieh-Wilson
- Division of Chemistry and Chemical Engineering, California Institute of Technology, Pasadena, CA 92115, USA,Correspondence: (L.C.H.W.)
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25
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Singh Y, Geringer SA, Demchenko AV. Synthesis and Glycosidation of Anomeric Halides: Evolution from Early Studies to Modern Methods of the 21st Century. Chem Rev 2022; 122:11701-11758. [PMID: 35675037 PMCID: PMC9417321 DOI: 10.1021/acs.chemrev.2c00029] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Advances in synthetic carbohydrate chemistry have dramatically improved access to common glycans. However, many novel methods still fail to adequately address challenges associated with chemical glycosylation and glycan synthesis. Since a challenge of glycosylation has remained, scientists have been frequently returning to the traditional glycosyl donors. This review is dedicated to glycosyl halides that have played crucial roles in shaping the field of glycosciences and continue to pave the way toward our understanding of chemical glycosylation.
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Affiliation(s)
- Yashapal Singh
- Department of Chemistry and Biochemistry, University of Missouri-St. Louis, One University Boulevard, St. Louis, Missouri 63121, United States
| | - Scott A Geringer
- Department of Chemistry and Biochemistry, University of Missouri-St. Louis, One University Boulevard, St. Louis, Missouri 63121, United States
| | - Alexei V Demchenko
- Department of Chemistry and Biochemistry, University of Missouri-St. Louis, One University Boulevard, St. Louis, Missouri 63121, United States
- Department of Chemistry, Saint Louis University, 3501 Laclede Avenue, St. Louis, Missouri 63103, United States
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26
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Sheikh MO, Capicciotti CJ, Liu L, Praissman J, Ding D, Mead DG, Brindley MA, Willer T, Campbell KP, Moremen KW, Wells L, Boons GJ. Cell surface glycan engineering reveals that matriglycan alone can recapitulate dystroglycan binding and function. Nat Commun 2022; 13:3617. [PMID: 35750689 PMCID: PMC9232514 DOI: 10.1038/s41467-022-31205-7] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2021] [Accepted: 06/07/2022] [Indexed: 12/29/2022] Open
Abstract
α-Dystroglycan (α-DG) is uniquely modified on O-mannose sites by a repeating disaccharide (-Xylα1,3-GlcAβ1,3-)n termed matriglycan, which is a receptor for laminin-G domain-containing proteins and employed by old-world arenaviruses for infection. Using chemoenzymatically synthesized matriglycans printed as a microarray, we demonstrate length-dependent binding to Laminin, Lassa virus GP1, and the clinically-important antibody IIH6. Utilizing an enzymatic engineering approach, an N-linked glycoprotein was converted into a IIH6-positive Laminin-binding glycoprotein. Engineering of the surface of cells deficient for either α-DG or O-mannosylation with matriglycans of sufficient length recovers infection with a Lassa-pseudovirus. Finally, free matriglycan in a dose and length dependent manner inhibits viral infection of wildtype cells. These results indicate that matriglycan alone is necessary and sufficient for IIH6 staining, Laminin and LASV GP1 binding, and Lassa-pseudovirus infection and support a model in which it is a tunable receptor for which increasing chain length enhances ligand-binding capacity.
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Affiliation(s)
- M Osman Sheikh
- Complex Carbohydrate Research Center, University of Georgia, Athens, GA, USA
| | - Chantelle J Capicciotti
- Complex Carbohydrate Research Center, University of Georgia, Athens, GA, USA
- Departments of Chemistry, Biomedical and Molecular Sciences, and Surgery, Queen's University, Kingston, ON, Canada
| | - Lin Liu
- Complex Carbohydrate Research Center, University of Georgia, Athens, GA, USA
| | - Jeremy Praissman
- Complex Carbohydrate Research Center, University of Georgia, Athens, GA, USA
| | - Dahai Ding
- Complex Carbohydrate Research Center, University of Georgia, Athens, GA, USA
- Department of Chemistry, University of Georgia, Athens, GA, USA
| | - Daniel G Mead
- College of Veterinary Medicine, University of Georgia, Athens, GA, USA
| | | | - Tobias Willer
- Howard Hughes Medical Institute, Senator Paul D. Wellstone Muscular Dystrophy Specialized Research Center, Department of Molecular Physiology and Biophysics, The University of Iowa, Iowa City, IA, USA
- Department of Neurology, Roy J. and Lucille A. Carver College of Medicine, The University of Iowa, Iowa City, IA, USA
| | - Kevin P Campbell
- Howard Hughes Medical Institute, Senator Paul D. Wellstone Muscular Dystrophy Specialized Research Center, Department of Molecular Physiology and Biophysics, The University of Iowa, Iowa City, IA, USA
- Department of Neurology, Roy J. and Lucille A. Carver College of Medicine, The University of Iowa, Iowa City, IA, USA
| | - Kelley W Moremen
- Complex Carbohydrate Research Center, University of Georgia, Athens, GA, USA
- Department of Biochemistry & Molecular Biology, University of Georgia, Athens, GA, USA
| | - Lance Wells
- Complex Carbohydrate Research Center, University of Georgia, Athens, GA, USA.
- Department of Biochemistry & Molecular Biology, University of Georgia, Athens, GA, USA.
| | - Geert-Jan Boons
- Complex Carbohydrate Research Center, University of Georgia, Athens, GA, USA.
- Department of Chemistry, University of Georgia, Athens, GA, USA.
- Department of Chemical Biology and Drug Discovery, Utrecht University, Utrecht, The Netherlands.
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27
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Ince D, Lucas TM, Malaker SA. Current strategies for characterization of mucin-domain glycoproteins. Curr Opin Chem Biol 2022; 69:102174. [PMID: 35752002 DOI: 10.1016/j.cbpa.2022.102174] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2022] [Revised: 05/02/2022] [Accepted: 05/19/2022] [Indexed: 11/18/2022]
Abstract
Glycosylation, and especially O-linked glycosylation, remains a critical blind spot in the understanding of post-translational modifications. Due to their nature as proteins defined by a large density and abundance of O-glycosylation, mucins present extra challenges in the analysis of their structure and function. However, recent breakthroughs in multiple areas of research have rendered mucin-domain glycoproteins more accessible to current characterization techniques. In particular, the adaptation of mucinases to glycoproteomic workflows, the manipulation of cellular glycosylation pathways, and the advances in synthetic methods to more closely mimic mucin domains have introduced new and exciting avenues to study mucin glycoproteins. Here, we summarize recent developments in understanding the structure and biological function of mucin domains and their associated glycans, from glycoproteomic tools and visualization methods to synthetic glycopeptide mimetics.
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Affiliation(s)
- Deniz Ince
- Department of Chemistry, Yale University, 275 Prospect St, New Haven, CT 06511, United States
| | - Taryn M Lucas
- Department of Chemistry, Yale University, 275 Prospect St, New Haven, CT 06511, United States
| | - Stacy A Malaker
- Department of Chemistry, Yale University, 275 Prospect St, New Haven, CT 06511, United States.
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28
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Ma W, Deng Y, Xu Z, Liu X, Chapla DG, Moremen KW, Wen L, Li T. Integrated Chemoenzymatic Approach to Streamline the Assembly of Complex Glycopeptides in the Liquid Phase. J Am Chem Soc 2022; 144:9057-9065. [PMID: 35544340 DOI: 10.1021/jacs.2c01819] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
Glycosylation of proteins is a complicated post-translational modification. Despite the significant progress in glycoproteomics, accurate functions of glycoproteins are still ambiguous owing to the difficulty in obtaining homogeneous glycopeptides or glycoproteins. Here, we describe a streamlined chemoenzymatic method to prepare complex glycopeptides by integrating hydrophobic tag-supported chemical synthesis and enzymatic glycosylations. The hydrophobic tag is utilized to facilitate peptide chain elongation in the liquid phase and expeditious product separation. After removal of the tag, a series of glycans are installed on the peptides via efficient glycosyltransferase-catalyzed reactions. The general applicability and robustness of this approach are exemplified by efficient preparation of 16 well-defined SARS-CoV-2 O-glycopeptides, 4 complex MUC1 glycopeptides, and a 31-mer glycosylated glucagon-like peptide-1. Our developed approach will open up a new range of easy access to various complex glycopeptides of biological importance.
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Affiliation(s)
- Wenjing Ma
- Shanghai Institute of Materia Medica, CAS, Shanghai 201203, China.,University of Chinese Academy of Sciences, Beijing 100049, China
| | - Yaqi Deng
- Shanghai Institute of Materia Medica, CAS, Shanghai 201203, China
| | - Zhuojia Xu
- Shanghai Institute of Materia Medica, CAS, Shanghai 201203, China.,University of Chinese Academy of Sciences, Beijing 100049, China
| | - Xingbang Liu
- Shanghai Institute of Materia Medica, CAS, Shanghai 201203, China
| | - Digantkumar G Chapla
- Complex Carbohydrate Research Center, University of Georgia, Athens, Georgia 30602, United States
| | - Kelley W Moremen
- Complex Carbohydrate Research Center, University of Georgia, Athens, Georgia 30602, United States
| | - Liuqing Wen
- Shanghai Institute of Materia Medica, CAS, Shanghai 201203, China
| | - Tiehai Li
- Shanghai Institute of Materia Medica, CAS, Shanghai 201203, China.,University of Chinese Academy of Sciences, Beijing 100049, China
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29
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Temme JS, Gildersleeve JC. General Strategies for Glycan Microarray Data Processing and Analysis. METHODS IN MOLECULAR BIOLOGY (CLIFTON, N.J.) 2022; 2460:67-87. [PMID: 34972931 DOI: 10.1007/978-1-0716-2148-6_5] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
Glycan microarrays provide a high-throughput technology for rapidly profiling interactions between carbohydrates and glycan-binding proteins (GBPs). Use of glycan microarrays involves several general steps, including construction of the microarray, carrying out the assay, detection of binding events, and analysis of the results. While multiple platforms have been developed to construct microarrays, most utilize fluorescence for detection of binding events. This chapter describes methods to acquire and process microarray images, including generating GAL files, imaging of the slide, aligning the grid, detecting problematic spots, and evaluating the quality of the data. The chapter focuses on processing our neoglycoprotein microarrays, but many of the lessons we have learned are applicable to other array formats.
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Affiliation(s)
- J Sebastian Temme
- Chemical Biology Laboratory, Center for Cancer Research, National Cancer Institute, Frederick, MD, USA
| | - Jeffrey C Gildersleeve
- Chemical Biology Laboratory, Center for Cancer Research, National Cancer Institute, Frederick, MD, USA.
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30
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DiLillo AM, Chan KK, Sun XL, Ao G. Glycopolymer-Wrapped Carbon Nanotubes Show Distinct Interaction of Carbohydrates With Lectins. Front Chem 2022; 10:852988. [PMID: 35308788 PMCID: PMC8927622 DOI: 10.3389/fchem.2022.852988] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2022] [Accepted: 02/14/2022] [Indexed: 11/17/2022] Open
Abstract
Glyconanomaterials with unique nanoscale property and carbohydrate functionality show vast potential in biological and biomedical applications. We investigated the interactions of noncovalent complexes of single-wall carbon nanotubes that are wrapped by disaccharide lactose-containing glycopolymers with the specific carbohydrate-binding proteins. The terminal galactose (Gal) of glycopolymers binds to the specific lectin as expected. Interestingly, an increased aggregation of nanotubes was also observed when interacting with a glucose (Glc) specific lectin, likely due to the removal of Glc groups from the surface of nanotubes resulting from the potential binding of the lectin to the Glc in the glycopolymers. This result indicates that the wrapping conformation of glycopolymers on the surface of nanotubes potentially allows improved accessibility of the Glc for specific lectins. Furthermore, it shows that the interaction between Glc groups in the glycopolymers and nanotubes play a key role in stabilizing the nanocomplexes. Overall, our results demonstrate that nanostructures can enable conformation-dependent interactions of glycopolymers and proteins and can potentially lead to the creation of versatile optical sensors for detecting carbohydrate-protein interactions with enhanced specificity and sensitivity.
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Affiliation(s)
- Ana M. DiLillo
- Department of Chemical and Biomedical Engineering, Washkewicz College of Engineering, Cleveland State University, Cleveland, OH, United States
| | - Ka Keung Chan
- Department of Chemistry, Center for Gene Regulation in Health and Disease (GRHD), Cleveland State University, Cleveland, OH, United States
| | - Xue-Long Sun
- Department of Chemical and Biomedical Engineering, Washkewicz College of Engineering, Cleveland State University, Cleveland, OH, United States
- Department of Chemistry, Center for Gene Regulation in Health and Disease (GRHD), Cleveland State University, Cleveland, OH, United States
| | - Geyou Ao
- Department of Chemical and Biomedical Engineering, Washkewicz College of Engineering, Cleveland State University, Cleveland, OH, United States
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31
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Heine V, Dey C, Bojarová P, Křen V, Elling L. Methods of in vitro study of galectin-glycomaterial interaction. Biotechnol Adv 2022; 58:107928. [DOI: 10.1016/j.biotechadv.2022.107928] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2021] [Revised: 02/07/2022] [Accepted: 02/14/2022] [Indexed: 02/08/2023]
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32
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Akune Y, Arpinar S, Silva LM, Palma AS, Tajadura-Ortega V, Aoki-Kinoshita KF, Ranzinger R, Liu Y, Feizi T. OUP accepted manuscript. Glycobiology 2022; 32:552-555. [PMID: 35352122 PMCID: PMC9191619 DOI: 10.1093/glycob/cwac018] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2021] [Revised: 03/07/2022] [Accepted: 03/08/2022] [Indexed: 11/25/2022] Open
Abstract
Glycan microarrays are essential tools in glycobiology and are being widely used for assignment of glycan ligands in diverse glycan recognition systems. We have developed a new software, called Carbohydrate microArray Analysis and Reporting Tool (CarbArrayART), to address the need for a distributable application for glycan microarray data management. The main features of CarbArrayART include: (i) Storage of quantified array data from different array layouts with scan data and array-specific metadata, such as lists of arrayed glycans, array geometry, information on glycan-binding samples, and experimental protocols. (ii) Presentation of microarray data as charts, tables, and heatmaps derived from the average fluorescence intensity values that are calculated based on the imaging scan data and array geometry, as well as filtering and sorting functions according to monosaccharide content and glycan sequences. (iii) Data export for reporting in Word, PDF, and Excel formats, together with metadata that are compliant with the guidelines of MIRAGE (Minimum Information Required for A Glycomics Experiment). CarbArrayART is designed for routine use in recording, storage, and management of any slide-based glycan microarray experiment. In conjunction with the MIRAGE guidelines, CarbArrayART addresses issues that are critical for glycobiology, namely, clarity of data for evaluation of reproducibility and validity.
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Affiliation(s)
- Yukie Akune
- Corresponding author: The Glycosciences Laboratory, Burlington Danes Building Room 509, Du Cane Road, London W12 0NN, United Kingdom.
| | - Sena Arpinar
- Complex Carbohydrate Research Center, University of Georgia, 315 Riverbend Rd, Athens, GA 30602, United States
| | - Lisete M Silva
- Glycosciences Laboratory, Department of Metabolism, Digestion and Reproduction, Imperial College, Du Cane Road, London W12 0NN, United Kingdom
- LAQV-REQUIMTE, Department of Chemistry, University of Aveiro, 3810-193 Aveiro, Portugal
| | - Angelina S Palma
- UCIBIO, Applied Molecular Biosciences Unit, Department of Chemistry, School of Science and Technology, NOVA University Lisbon, 2819-516 Caparica, Portugal
- Associate Laboratory i4HB-Institute for Health and Bioeconomy, School of Science and Technology, NOVA University Lisbon, Lisbon, 2819-516 Caparica, Portugal
| | - Virginia Tajadura-Ortega
- Glycosciences Laboratory, Department of Metabolism, Digestion and Reproduction, Imperial College, Du Cane Road, London W12 0NN, United Kingdom
| | - Kiyoko F Aoki-Kinoshita
- Glycan and Life Systems Integration Center (GaLSIC), Soka University, 1-236 Tangi-machi, Hachioji, Tokyo 192-8577, Japan
| | - René Ranzinger
- Complex Carbohydrate Research Center, University of Georgia, 315 Riverbend Rd, Athens, GA 30602, United States
| | - Yan Liu
- Glycosciences Laboratory, Department of Metabolism, Digestion and Reproduction, Imperial College, Du Cane Road, London W12 0NN, United Kingdom
| | - Ten Feizi
- Glycosciences Laboratory, Department of Metabolism, Digestion and Reproduction, Imperial College, Du Cane Road, London W12 0NN, United Kingdom
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33
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Gerlach JQ, Le Berre M, Kilcoyne M. Neoglycoprotein and Glycoprotein Printing on a Hydrogel Functionalized Microarray Surface and Incubation with Labeled Lectins. Methods Mol Biol 2022; 2460:3-24. [PMID: 34972927 DOI: 10.1007/978-1-0716-2148-6_1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Glycan microarrays are widely used to elucidate carbohydrate binding specificity and affinity of various analytes including proteins, microorganisms, cells, and tissues. Glycan microarrays comprise a wide variety of platforms, differing in surface chemistry, presentation of carbohydrates, carbohydrate valency, and detection strategies, all of which impact on analyte performance. This chapter describes detailed methods for printing neoglycoprotein and glycoprotein microarrays on hydrogel-coated slides and incubation of these glycan microarrays with fluorescently labeled lectins.
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Affiliation(s)
- Jared Q Gerlach
- Advanced Glycoscience Research Cluster, School of Natural Sciences, National University of Ireland Galway, Galway, Ireland
| | - Marie Le Berre
- Advanced Glycoscience Research Cluster, School of Natural Sciences, National University of Ireland Galway, Galway, Ireland
- Carbohydrate Signalling Group, Discipline of Microbiology, School of Natural Sciences, National University of Ireland Galway, Galway, Ireland
| | - Michelle Kilcoyne
- Advanced Glycoscience Research Cluster, School of Natural Sciences, National University of Ireland Galway, Galway, Ireland.
- Carbohydrate Signalling Group, Discipline of Microbiology, School of Natural Sciences, National University of Ireland Galway, Galway, Ireland.
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34
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Nakakita SI, Nakakita Y, Kurihara R, Hirabayashi J. Preparation of Glycan Arrays Using Glycopeptides Derived From Biomaterials. Methods Mol Biol 2022; 2556:45-58. [PMID: 36175626 DOI: 10.1007/978-1-0716-2635-1_5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
In general, viruses recognize host cell surface glycans, but the measurement of virus-host cell glycan interaction is not widely operated. This is not only because commercially available, structure-defined glycans are limited, but also because such interactions, if any, between viruses and isolated glycans are relatively weak, and thus, difficult to detect by conventional methods, e.g., enzyme-linked immune-sorbent assay. We describe a practical method to detect virus binding to glycans; for this, preparation of glycan arrays using glycopeptides derived from biomaterials is necessary. In this context, neoglycoprotein is produced using bovine serum albumin (BSA) and commercially available glycopeptides, with which influenza viruses are detected using an evanescent-field-activated fluorescence scanner. It is clearly shown that H1N1 strains of influenza virus recognize BSA, to which DiNeuα2-6bianntena-peptide (SGP) is covalently linked, while on the other hand H5N1 strains recognize BSA linked to DiNeuα2-3bianntena-peptide (α2,3SGP).
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Affiliation(s)
- Shin-Ichi Nakakita
- Department of Functional Glycomics, Life Science Research Center, Kagawa University, Kagawa, Japan.
| | - Yukari Nakakita
- Department of Functional Glycomics, Life Science Research Center, Kagawa University, Kagawa, Japan
| | - Ryohsuke Kurihara
- Department of Chemistry for Medicine, Faculty of Medicine, Kagawa University, Kagawa, Japan
| | - Jun Hirabayashi
- Department of Functional Glycomics, Life Science Research Center, Kagawa University, Kagawa, Japan
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35
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Fischer S, Stegmann F, Gnanapragassam VS, Lepenies B. From structure to function – Ligand recognition by myeloid C-type lectin receptors. Comput Struct Biotechnol J 2022; 20:5790-5812. [DOI: 10.1016/j.csbj.2022.10.019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2022] [Revised: 10/14/2022] [Accepted: 10/14/2022] [Indexed: 11/29/2022] Open
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36
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Ruprecht C, Pfrengle F. Synthetic Plant Glycan Microarrays as Tools for Plant Biology. Methods Mol Biol 2022; 2460:115-125. [PMID: 34972933 DOI: 10.1007/978-1-0716-2148-6_7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Chemically synthesized plant oligosaccharides have recently evolved as powerful molecular tools for plant cell wall biology. Synthetic plant glycan microarrays equipped with these oligosaccharides enable high-throughput analyses of glycan-binding proteins and carbohydrate-active enzymes. To produce these glycan microarrays, small amounts of glycan solution are printed on suitable surfaces for covalent or non-covalent immobilization. Synthetic plant glycan microarrays have been used for example to map the epitopes of plant cell wall-directed antibodies, to characterize glycosyl hydrolases and glycosyl transferases, and to analyze lectin binding. In this chapter, detailed experimental procedures for the production of synthetic glycan microarrays and their use for the characterization of cell wall glycan-directed antibodies are described.
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Affiliation(s)
- Colin Ruprecht
- Department of Biomolecular Systems, Max Planck Institute of Colloids and Interfaces, Potsdam, Germany
- Department of Chemistry, University of Natural Resources and Life Sciences Vienna, Vienna, Austria
| | - Fabian Pfrengle
- Department of Biomolecular Systems, Max Planck Institute of Colloids and Interfaces, Potsdam, Germany.
- Department of Chemistry, University of Natural Resources and Life Sciences Vienna, Vienna, Austria.
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37
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Richards SJ, Gibson MI. Toward Glycomaterials with Selectivity as Well as Affinity. JACS AU 2021; 1:2089-2099. [PMID: 34984416 PMCID: PMC8717392 DOI: 10.1021/jacsau.1c00352] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/13/2021] [Indexed: 05/08/2023]
Abstract
Multivalent glycosylated materials (polymers, surfaces, and particles) often show high affinity toward carbohydrate binding proteins (e.g., lectins) due to the nonlinear enhancement from the cluster glycoside effect. This affinity gain has potential in applications from diagnostics, biosensors, and targeted delivery to anti-infectives and in an understanding of basic glycobiology. This perspective highlights the question of selectivity, which is less often addressed due to the reductionist nature of glycomaterials and the promiscuity of many lectins. The use of macromolecular features, including architecture, heterogeneous ligand display, and the installation of non-natural glycans, to address this challenge is discussed, and examples of selectivity gains are given.
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Affiliation(s)
| | - Matthew I. Gibson
- Department
of Chemistry, University of Warwick, Coventry CV4 7AL, U.K.
- Warwick
Medical School, University of Warwick, Coventry CV4 7AL, U.K.
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38
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Mapping Molecular Recognition of β1,3-1,4-Glucans by a Surface Glycan-Binding Protein from the Human Gut Symbiont Bacteroides ovatus. Microbiol Spectr 2021; 9:e0182621. [PMID: 34817219 PMCID: PMC8612152 DOI: 10.1128/spectrum.01826-21] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
A multigene polysaccharide utilization locus (PUL) encoding enzymes and surface carbohydrate (glycan)-binding proteins (SGBPs) was recently identified in prominent members of Bacteroidetes in the human gut and characterized in Bacteroides ovatus. This PUL-encoded system specifically targets mixed-linkage β1,3-1,4-glucans, a group of diet-derived carbohydrates that promote a healthy microbiota and have potential as prebiotics. The BoSGBPMLG-A protein encoded by the BACOVA_2743 gene is a SusD-like protein that plays a key role in the PUL’s specificity and functionality. Here, we perform a detailed analysis of the molecular determinants underlying carbohydrate binding by BoSGBPMLG-A, combining carbohydrate microarray technology with quantitative affinity studies and a high-resolution X-ray crystallography structure of the complex of BoSGBPMLG-A with a β1,3-1,4-nonasaccharide. We demonstrate its unique binding specificity toward β1,3-1,4-gluco-oligosaccharides, with increasing binding affinities up to the octasaccharide and dependency on the number and position of β1,3 linkages. The interaction is defined by a 41-Å-long extended binding site that accommodates the oligosaccharide in a mode distinct from that of previously described bacterial β1,3-1,4-glucan-binding proteins. In addition to the shape complementarity mediated by CH-π interactions, a complex hydrogen bonding network complemented by a high number of key ordered water molecules establishes additional specific interactions with the oligosaccharide. These support the twisted conformation of the β-glucan backbone imposed by the β1,3 linkages and explain the dependency on the oligosaccharide chain length. We propose that the specificity of the PUL conferred by BoSGBPMLG-A to import long β1,3-1,4-glucan oligosaccharides to the bacterial periplasm allows Bacteroidetes to outcompete bacteria that lack this PUL for utilization of β1,3-1,4-glucans. IMPORTANCE With the knowledge of bacterial gene systems encoding proteins that target dietary carbohydrates as a source of nutrients and their importance for human health, major efforts are being made to understand carbohydrate recognition by various commensal bacteria. Here, we describe an integrative strategy that combines carbohydrate microarray technology with structural studies to further elucidate the molecular determinants of carbohydrate recognition by BoSGBPMLG-A, a key protein expressed at the surface of Bacteroides ovatus for utilization of mixed-linkage β1,3-1,4-glucans. We have mapped at high resolution interactions that occur at the binding site of BoSGBPMLG-A and provide evidence for the role of key water-mediated interactions for fine specificity and affinity. Understanding at the molecular level how commensal bacteria, such as prominent members of Bacteroidetes, can differentially utilize dietary carbohydrates with potential prebiotic activities will shed light on possible ways to modulate the microbiome to promote human health.
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39
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Willment JA. Fc-conjugated C-type lectin receptors: Tools for understanding host-pathogen interactions. Mol Microbiol 2021; 117:632-660. [PMID: 34709692 DOI: 10.1111/mmi.14837] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2021] [Accepted: 10/25/2021] [Indexed: 12/24/2022]
Abstract
The use of soluble fusion proteins of pattern recognition receptors (PRRs) used in the detection of exogenous and endogenous ligands has helped resolve the roles of PRRs in the innate immune response to pathogens, how they shape the adaptive immune response, and function in maintaining homeostasis. Using the immunoglobulin (Ig) crystallizable fragment (Fc) domain as a fusion partner, the PRR fusion proteins are soluble, stable, easily purified, have increased affinity due to the Fc homodimerization properties, and consequently have been used in a wide range of applications such as flow cytometry, screening of protein and glycan arrays, and immunofluorescent microscopy. This review will predominantly focus on the recognition of pathogens by the cell membrane-expressed glycan-binding proteins of the C-type lectin receptor (CLR) subgroup of PRRs. PRRs bind to conserved pathogen-associated molecular patterns (PAMPs), such as glycans, usually located within or on the outer surface of the pathogen. Significantly, many glycans structures are identical on both host and pathogen (e.g. the Lewis (Le) X glycan), allowing the use of Fc CLR fusion proteins with known endogenous and/or exogenous ligands as tools to identify pathogen structures that are able to interact with the immune system. Screens of highly purified pathogen-derived cell wall components have enabled identification of many unique PAMP structures recognized by CLRs. This review highlights studies using Fc CLR fusion proteins, with emphasis on the PAMPs found in fungi, bacteria, viruses, and parasites. The structure and unique features of the different CLR families is presented using examples from a broad range of microbes whenever possible.
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Affiliation(s)
- Janet A Willment
- Medical Research Council Centre for Medical Mycology, University of Exeter, Exeter, UK
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40
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Wu SC, Ho AD, Kamili NA, Wang J, Murdock KL, Cummings RD, Arthur CM, Stowell SR. Full-Length Galectin-3 Is Required for High Affinity Microbial Interactions and Antimicrobial Activity. Front Microbiol 2021; 12:731026. [PMID: 34690972 PMCID: PMC8531552 DOI: 10.3389/fmicb.2021.731026] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2021] [Accepted: 08/30/2021] [Indexed: 12/13/2022] Open
Abstract
While adaptive immunity enables the recognition of a wide range of microbial antigens, immunological tolerance limits reactively toward self to reduce autoimmunity. Some bacteria decorate themselves with self-like antigens as a form of molecular mimicry to limit recognition by adaptive immunity. Recent studies suggest that galectin-4 (Gal-4) and galectin-8 (Gal-8) may provide a unique form of innate immunity against molecular mimicry by specifically targeting microbes that decorate themselves in self-like antigens. However, the binding specificity and antimicrobial activity of many human galectins remain incompletely explored. In this study, we defined the binding specificity of galectin-3 (Gal-3), the first galectin shown to engage microbial glycans. Gal-3 exhibited high binding toward mammalian blood group A, B, and αGal antigens in a glycan microarray format. In the absence of the N-terminal domain, the C-terminal domain of Gal-3 (Gal-3C) alone exhibited a similar overall binding pattern, but failed to display the same level of binding for glycans over a range of concentrations. Similar to the recognition of mammalian glycans, Gal-3 and Gal-3C also specifically engaged distinct microbial glycans isolated and printed in a microarray format, with Gal-3 exhibiting higher binding at lower concentrations toward microbial glycans than Gal-3C. Importantly, Gal-3 and Gal-3C interactions on the microbial microarray accurately predicted actual interactions toward intact microbes, with Gal-3 and Gal-3C displaying carbohydrate-dependent binding toward distinct strains of Providentia alcalifaciens and Klebsiella pneumoniae that express mammalian-like antigens, while failing to recognize similar strains that express unrelated antigens. While both Gal-3 and Gal-3C recognized specific strains of P. alcalifaciens and K. pneumoniae, only Gal-3 was able to exhibit antimicrobial activity even when evaluated at higher concentrations. These results demonstrate that while Gal-3 and Gal-3C specifically engage distinct mammalian and microbial glycans, Gal-3C alone does not possess antimicrobial activity.
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Affiliation(s)
- Shang-Chuen Wu
- Joint Program in Transfusion Medicine, Department of Pathology, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, United States
| | - Alex D Ho
- Joint Program in Transfusion Medicine, Department of Pathology, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, United States
| | - Nourine A Kamili
- Center for Transfusion Medicine and Cellular Therapies, Emory University School of Medicine, Atlanta, GA, United States
| | - Jianmei Wang
- Center for Transfusion Medicine and Cellular Therapies, Emory University School of Medicine, Atlanta, GA, United States
| | - Kaleb L Murdock
- Joint Program in Transfusion Medicine, Department of Pathology, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, United States
| | - Richard D Cummings
- Department of Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, United States
| | - Connie M Arthur
- Joint Program in Transfusion Medicine, Department of Pathology, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, United States
| | - Sean R Stowell
- Joint Program in Transfusion Medicine, Department of Pathology, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, United States.,Center for Transfusion Medicine and Cellular Therapies, Emory University School of Medicine, Atlanta, GA, United States
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41
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Ward EM, Kizer ME, Imperiali B. Strategies and Tactics for the Development of Selective Glycan-Binding Proteins. ACS Chem Biol 2021; 16:1795-1813. [PMID: 33497192 PMCID: PMC9200409 DOI: 10.1021/acschembio.0c00880] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
The influences of glycans impact all biological processes, disease states, and pathogenic interactions. Glycan-binding proteins (GBPs), such as lectins, are decisive tools for interrogating glycan structure and function because of their ease of use and ability to selectively bind defined carbohydrate epitopes and glycosidic linkages. GBP reagents are prominent tools for basic research, clinical diagnostics, therapeutics, and biotechnological applications. However, the study of glycans is hindered by the lack of specific and selective protein reagents to cover the massive diversity of carbohydrate structures that exist in nature. In addition, existing GBP reagents often suffer from low affinity or broad specificity, complicating data interpretation. There have been numerous efforts to expand the GBP toolkit beyond those identified from natural sources through protein engineering, to improve the properties of existing GBPs or to engineer novel specificities and potential applications. This review details the current scope of proteins that bind carbohydrates and the engineering methods that have been applied to enhance the affinity, selectivity, and specificity of binders.
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Affiliation(s)
- Elizabeth M. Ward
- Department of Biology, Massachusetts Institute of Technology, 31 Ames St, Cambridge, MA 02142, USA
- Microbiology Graduate Program, Massachusetts Institute of Technology, 31 Ames St, Cambridge, MA 02142, USA
| | - Megan E. Kizer
- Department of Biology, Massachusetts Institute of Technology, 31 Ames St, Cambridge, MA 02142, USA
- Department of Chemistry, Massachusetts Institute of Technology, 77 Massachusetts Ave, Cambridge, MA 02139, USA
| | - Barbara Imperiali
- Department of Biology, Massachusetts Institute of Technology, 31 Ames St, Cambridge, MA 02142, USA
- Department of Chemistry, Massachusetts Institute of Technology, 77 Massachusetts Ave, Cambridge, MA 02139, USA
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42
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Abstract
Carbohydrate recognition is crucial for biological processes ranging from development to immune system function to host-pathogen interactions. The proteins that bind glycans are faced with a daunting task: to coax these hydrophilic species out of water and into a binding site. Here, we examine the forces underlying glycan recognition by proteins. Our previous bioinformatic study of glycan-binding sites indicated that the most overrepresented side chains are electron-rich aromatic residues, including tyrosine and tryptophan. These findings point to the importance of CH-π interactions for glycan binding. Studies of CH-π interactions show a strong dependence on the presence of an electron-rich π system, and the data indicate binding is enhanced by complementary electronic interactions between the electron-rich aromatic ring and the partial positive charge of the carbohydrate C-H protons. This electronic dependence means that carbohydrate residues with multiple aligned highly polarized C-H bonds, such as β-galactose, form strong CH-π interactions, whereas less polarized residues such as α-mannose do not. This information can guide the design of proteins to recognize sugars and the generation of ligands for proteins, small molecules, or catalysts that bind sugars.
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Affiliation(s)
- Laura L. Kiessling
- Department of Chemistry, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States
| | - Roger C. Diehl
- Department of Chemistry, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States
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43
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Zheng M, Zheng M, Epstein S, Harnagel AP, Kim H, Lupoli TJ. Chemical Biology Tools for Modulating and Visualizing Gram-Negative Bacterial Surface Polysaccharides. ACS Chem Biol 2021; 16:1841-1865. [PMID: 34569792 DOI: 10.1021/acschembio.1c00341] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Bacterial cells present a wide diversity of saccharides that decorate the cell surface and help mediate interactions with the environment. Many Gram-negative cells express O-antigens, which are long sugar polymers that makeup the distal portion of lipopolysaccharide (LPS) that constitutes the surface of the outer membrane. This review highlights chemical biology tools that have been developed in recent years to facilitate the modulation of O-antigen synthesis and composition, as well as related bacterial polysaccharide pathways, and the detection of unique glycan sequences. Advances in the biochemistry and structural biology of O-antigen biosynthetic machinery are also described, which provide guidance for the design of novel chemical and biomolecular probes. Many of the tools noted here have not yet been utilized in biological systems and offer researchers the opportunity to investigate the complex sugar architecture of Gram-negative cells.
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Affiliation(s)
- Meng Zheng
- Department of Chemistry, New York University, New York, 10003 New York, United States
| | - Maggie Zheng
- Department of Chemistry, New York University, New York, 10003 New York, United States
| | - Samuel Epstein
- Department of Chemistry, New York University, New York, 10003 New York, United States
| | - Alexa P. Harnagel
- Department of Chemistry, New York University, New York, 10003 New York, United States
| | - Hanee Kim
- Department of Chemistry, New York University, New York, 10003 New York, United States
| | - Tania J. Lupoli
- Department of Chemistry, New York University, New York, 10003 New York, United States
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44
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Lünemann JD, von Gunten S, Neumann H. Targeting sialylation to treat central nervous system diseases. Trends Pharmacol Sci 2021; 42:998-1008. [PMID: 34607695 DOI: 10.1016/j.tips.2021.09.002] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2021] [Revised: 09/01/2021] [Accepted: 09/02/2021] [Indexed: 02/03/2023]
Abstract
Sialic acid-binding immunoglobulin-type lectins (SIGLECs) are membrane receptors that are preferentially expressed on immune cells and recognize sialylated proteins, lipids, and RNA. Sialic acids and signaling through SIGLECs are increasingly recognized for their essential roles in immune system homeostasis as well as nervous system development, plasticity, and repair. Dysregulated sialylation and SIGLEC dysfunctions contribute to several chronic diseases of the central nervous system (CNS) in which current therapeutic options are very limited. While only a few therapies targeting SIGLECs are currently being tested in clinical trials, the area emerged as one of the most dynamic and active fields in glycobiology and drug development. This review highlights recent insights into sialic acid and SIGLEC function in CNS pathologies and illustrates opportunities and challenges for the development of sialic acid-based and SIGLEC-targeted therapies for neurological diseases.
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Affiliation(s)
- Jan D Lünemann
- Department of Neurology with Institute of Translational Neurology, University Hospital Münster, Münster, Germany.
| | | | - Harald Neumann
- Institute of Reconstructive Neurobiology, Medical Faculty and University Hospital of Bonn, University of Bonn, Bonn, Germany
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45
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Di Maio A, Cioce A, Achilli S, Thépaut M, Vivès C, Fieschi F, Rojo J, Reichardt NC. Controlled density glycodendron microarrays for studying carbohydrate-lectin interactions. Org Biomol Chem 2021; 19:7357-7362. [PMID: 34387640 DOI: 10.1039/d1ob00872b] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Glycodendron microarrays with defined valency have been constructed by on-chip synthesis on hydrophobic indium tin oxide (ITO) coated glass slides and employed in lectin-carbohydrate binding studies with several plant and human lectins. Glycodendrons presenting sugar epitopes at different valencies were prepared by spotwise strain-promoted azide-alkyne cycloaddition (SPAAC) between immobilised cyclooctyne dendrons and azide functionalised glycans. The non-covalent immobilisation of dendrons on the ITO surface by hydrophobic interaction allowed us to study dendron surface density and SPAAC conversion rate by in situ MALDI-TOF MS analysis. By diluting the dendron surface density we could study how the carbohydrate-lectin interactions became exclusively dependant on the valency of the immobilised glycodendron.
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Affiliation(s)
- Antonio Di Maio
- Glycosystems Laboratory, Instituto de Investigaciones Químicas (IIQ), CSIC - Universidad de Sevilla, Av. Américo Vespucio 49, 41092 Seville, Spain.
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46
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Valles DJ, Zholdassov YS, Korpanty J, Uddin S, Naeem Y, Mootoo DR, Gianneschi NC, Braunschweig AB. Glycopolymer Microarrays with Sub‐Femtomolar Avidity for Glycan Binding Proteins Prepared by Grafted‐To/Grafted‐From Photopolymerizations. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202105729] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Daniel J. Valles
- The PhD program in Chemistry Graduate Center of the City University of New York 365 5th Ave New York NY 10016 USA
- Advanced Science Research Center at the Graduate Center The City University of New York 85 St. Nicholas Terrace New York NY 10031 USA
- Department of Chemistry Hunter College 695 Park Ave New York NY 10065 USA
| | - Yerzhan S. Zholdassov
- The PhD program in Chemistry Graduate Center of the City University of New York 365 5th Ave New York NY 10016 USA
- Advanced Science Research Center at the Graduate Center The City University of New York 85 St. Nicholas Terrace New York NY 10031 USA
- Department of Chemistry Hunter College 695 Park Ave New York NY 10065 USA
| | - Joanna Korpanty
- Department of Chemistry Northwestern University Evanston IL 60208 USA
| | - Samiha Uddin
- Advanced Science Research Center at the Graduate Center The City University of New York 85 St. Nicholas Terrace New York NY 10031 USA
- Department of Chemistry Hunter College 695 Park Ave New York NY 10065 USA
| | - Yasir Naeem
- Advanced Science Research Center at the Graduate Center The City University of New York 85 St. Nicholas Terrace New York NY 10031 USA
- Department of Chemistry Hunter College 695 Park Ave New York NY 10065 USA
| | - David R. Mootoo
- The PhD program in Chemistry Graduate Center of the City University of New York 365 5th Ave New York NY 10016 USA
- Department of Chemistry Hunter College 695 Park Ave New York NY 10065 USA
| | - Nathan C. Gianneschi
- Department of Chemistry Northwestern University Evanston IL 60208 USA
- Department of Materials Science and Engineering Northwestern University Evanston IL 60208 USA
- Department of Biomedical Engineering Northwestern University Evanston IL 60208 USA
| | - Adam B. Braunschweig
- The PhD program in Chemistry Graduate Center of the City University of New York 365 5th Ave New York NY 10016 USA
- Advanced Science Research Center at the Graduate Center The City University of New York 85 St. Nicholas Terrace New York NY 10031 USA
- Department of Chemistry Hunter College 695 Park Ave New York NY 10065 USA
- The PhD program in Biochemistry Graduate Center of the City University of New York 365 5th Ave New York NY 10016 USA
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47
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Srivastava AD, Unione L, Bunyatov M, Gagarinov IA, Delgado S, Abrescia NGA, Ardá A, Boons GJ. Chemoenzymatic Synthesis of Complex N-Glycans of the Parasite S. mansoni to Examine the Importance of Epitope Presentation on DC-SIGN recognition. Angew Chem Int Ed Engl 2021; 60:19287-19296. [PMID: 34124805 PMCID: PMC8456914 DOI: 10.1002/anie.202105647] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2021] [Revised: 06/02/2021] [Indexed: 12/14/2022]
Abstract
The importance of multivalency for N-glycan-protein interactions has primarily been studied by attachment of minimal epitopes to artificial multivalent scaffold and not in the context of multi-antennary glycans. N-glycans can be modified by bisecting GlcNAc, core xylosides and fucosides, and extended N-acetyl lactosamine moieties. The impact of such modifications on glycan recognition are also not well understood. We describe here a chemoenzymatic methodology that can provide N-glycans expressed by the parasitic worm S. mansoni having unique epitopes at each antenna and containing core xyloside. NMR, computational and electron microscopy were employed to investigate recognition of the glycans by the human lectin DC-SIGN. It revealed that core xyloside does not influence terminal epitope recognition. The multi-antennary glycans bound with higher affinity to DC-SIGN compared to mono-valent counterparts, which was attributed to proximity-induced effective concentration. The multi-antennary glycans cross-linked DC-SIGN into a dense network, which likely is relevant for antigen uptake and intracellular routing.
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Affiliation(s)
- Apoorva D Srivastava
- Department of Chemical Biology and Drug Discovery, Utrecht Institute for Pharmaceutical Sciences, Bijvoet Center for Biomolecular Research, Utrecht University, Universiteitsweg 99, 3584 CG, Utrecht, The Netherlands
| | - Luca Unione
- Department of Chemical Biology and Drug Discovery, Utrecht Institute for Pharmaceutical Sciences, Bijvoet Center for Biomolecular Research, Utrecht University, Universiteitsweg 99, 3584 CG, Utrecht, The Netherlands
| | - Mehman Bunyatov
- Department of Chemical Biology and Drug Discovery, Utrecht Institute for Pharmaceutical Sciences, Bijvoet Center for Biomolecular Research, Utrecht University, Universiteitsweg 99, 3584 CG, Utrecht, The Netherlands
| | - Ivan A Gagarinov
- Department of Chemical Biology and Drug Discovery, Utrecht Institute for Pharmaceutical Sciences, Bijvoet Center for Biomolecular Research, Utrecht University, Universiteitsweg 99, 3584 CG, Utrecht, The Netherlands
| | - Sandra Delgado
- Molecular Recognition and Host-Pathogen Interactions, CIC bioGUNE, Basque Research and Technology Alliance, BRTA, Bizkaia Technology Park, Building 800, 48162, Derio, Bizkaia, Spain
| | - Nicola G A Abrescia
- Molecular Recognition and Host-Pathogen Interactions, CIC bioGUNE, Basque Research and Technology Alliance, BRTA, Bizkaia Technology Park, Building 800, 48162, Derio, Bizkaia, Spain.,Ikerbasque, Basque Foundation for Science, 48013, Bilbao, Bizkaia, Spain
| | - Ana Ardá
- Molecular Recognition and Host-Pathogen Interactions, CIC bioGUNE, Basque Research and Technology Alliance, BRTA, Bizkaia Technology Park, Building 800, 48162, Derio, Bizkaia, Spain.,Ikerbasque, Basque Foundation for Science, 48013, Bilbao, Bizkaia, Spain
| | - Geert-Jan Boons
- Department of Chemical Biology and Drug Discovery, Utrecht Institute for Pharmaceutical Sciences, Bijvoet Center for Biomolecular Research, Utrecht University, Universiteitsweg 99, 3584 CG, Utrecht, The Netherlands.,Complex Carbohydrate Research Center, University of Georgia, 315 Riverbend Road, Athens, GA, 30602, USA.,Department of Chemistry, University of Georgia, Athens, GA, 30602, USA
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48
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Srivastava AD, Unione L, Bunyatov M, Gagarinov IA, Delgado S, Abrescia NGA, Ardá A, Boons G. Chemoenzymatic Synthesis of Complex
N
‐Glycans of the Parasite
S. mansoni
to Examine the Importance of Epitope Presentation on DC‐SIGN recognition. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202105647] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Apoorva D. Srivastava
- Department of Chemical Biology and Drug Discovery Utrecht Institute for Pharmaceutical Sciences Bijvoet Center for Biomolecular Research Utrecht University Universiteitsweg 99 3584 CG Utrecht The Netherlands
| | - Luca Unione
- Department of Chemical Biology and Drug Discovery Utrecht Institute for Pharmaceutical Sciences Bijvoet Center for Biomolecular Research Utrecht University Universiteitsweg 99 3584 CG Utrecht The Netherlands
| | - Mehman Bunyatov
- Department of Chemical Biology and Drug Discovery Utrecht Institute for Pharmaceutical Sciences Bijvoet Center for Biomolecular Research Utrecht University Universiteitsweg 99 3584 CG Utrecht The Netherlands
| | - Ivan A. Gagarinov
- Department of Chemical Biology and Drug Discovery Utrecht Institute for Pharmaceutical Sciences Bijvoet Center for Biomolecular Research Utrecht University Universiteitsweg 99 3584 CG Utrecht The Netherlands
| | - Sandra Delgado
- Molecular Recognition and Host-Pathogen Interactions CIC bioGUNE, Basque Research and Technology Alliance, BRTA Bizkaia Technology Park, Building 800 48162 Derio Bizkaia Spain
| | - Nicola G. A. Abrescia
- Molecular Recognition and Host-Pathogen Interactions CIC bioGUNE, Basque Research and Technology Alliance, BRTA Bizkaia Technology Park, Building 800 48162 Derio Bizkaia Spain
- Ikerbasque, Basque Foundation for Science 48013 Bilbao Bizkaia Spain
| | - Ana Ardá
- Molecular Recognition and Host-Pathogen Interactions CIC bioGUNE, Basque Research and Technology Alliance, BRTA Bizkaia Technology Park, Building 800 48162 Derio Bizkaia Spain
- Ikerbasque, Basque Foundation for Science 48013 Bilbao Bizkaia Spain
| | - Geert‐Jan Boons
- Department of Chemical Biology and Drug Discovery Utrecht Institute for Pharmaceutical Sciences Bijvoet Center for Biomolecular Research Utrecht University Universiteitsweg 99 3584 CG Utrecht The Netherlands
- Complex Carbohydrate Research Center University of Georgia 315 Riverbend Road Athens GA 30602 USA
- Department of Chemistry University of Georgia Athens GA 30602 USA
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49
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Valles DJ, Zholdassov YS, Korpanty J, Uddin S, Naeem Y, Mootoo DR, Gianneschi NC, Braunschweig AB. Glycopolymer Microarrays with Sub-Femtomolar Avidity for Glycan Binding Proteins Prepared by Grafted-To/Grafted-From Photopolymerizations. Angew Chem Int Ed Engl 2021; 60:20350-20357. [PMID: 34273126 DOI: 10.1002/anie.202105729] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2021] [Revised: 06/04/2021] [Indexed: 11/09/2022]
Abstract
We report a novel glycan array architecture that binds the mannose-specific glycan binding protein, concanavalin A (ConA), with sub-femtomolar avidity. A new radical photopolymerization developed specifically for this application combines the grafted-from thiol-(meth)acrylate polymerization with thiol-ene chemistry to graft glycans to the growing polymer brushes. The propagation of the brushes was studied by carrying out this grafted-to/grafted-from radical photopolymerization (GTGFRP) at >400 different conditions using hypersurface photolithography, a printing strategy that substantially accelerates reaction discovery and optimization on surfaces. The effect of brush height and the grafting density of mannosides on the binding of ConA to the brushes was studied systematically, and we found that multivalent and cooperative binding account for the unprecedented sensitivity of the GTGFRP brushes. This study further demonstrates the ease with which new chemistry can be tailored for an application as a result of the advantages of hypersurface photolithography.
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Affiliation(s)
- Daniel J Valles
- The PhD program in Chemistry, Graduate Center of the City University of New York, 365 5th Ave, New York, NY, 10016, USA.,Advanced Science Research Center at the Graduate Center, The City University of New York, 85 St. Nicholas Terrace, New York, NY, 10031, USA.,Department of Chemistry, Hunter College, 695 Park Ave, New York, NY, 10065, USA
| | - Yerzhan S Zholdassov
- The PhD program in Chemistry, Graduate Center of the City University of New York, 365 5th Ave, New York, NY, 10016, USA.,Advanced Science Research Center at the Graduate Center, The City University of New York, 85 St. Nicholas Terrace, New York, NY, 10031, USA.,Department of Chemistry, Hunter College, 695 Park Ave, New York, NY, 10065, USA
| | - Joanna Korpanty
- Department of Chemistry, Northwestern University, Evanston, IL, 60208, USA
| | - Samiha Uddin
- Advanced Science Research Center at the Graduate Center, The City University of New York, 85 St. Nicholas Terrace, New York, NY, 10031, USA.,Department of Chemistry, Hunter College, 695 Park Ave, New York, NY, 10065, USA
| | - Yasir Naeem
- Advanced Science Research Center at the Graduate Center, The City University of New York, 85 St. Nicholas Terrace, New York, NY, 10031, USA.,Department of Chemistry, Hunter College, 695 Park Ave, New York, NY, 10065, USA
| | - David R Mootoo
- The PhD program in Chemistry, Graduate Center of the City University of New York, 365 5th Ave, New York, NY, 10016, USA.,Department of Chemistry, Hunter College, 695 Park Ave, New York, NY, 10065, USA
| | - Nathan C Gianneschi
- Department of Chemistry, Northwestern University, Evanston, IL, 60208, USA.,Department of Materials Science and Engineering, Northwestern University, Evanston, IL, 60208, USA.,Department of Biomedical Engineering, Northwestern University, Evanston, IL, 60208, USA
| | - Adam B Braunschweig
- The PhD program in Chemistry, Graduate Center of the City University of New York, 365 5th Ave, New York, NY, 10016, USA.,Advanced Science Research Center at the Graduate Center, The City University of New York, 85 St. Nicholas Terrace, New York, NY, 10031, USA.,Department of Chemistry, Hunter College, 695 Park Ave, New York, NY, 10065, USA.,The PhD program in Biochemistry, Graduate Center of the City University of New York, 365 5th Ave, New York, NY, 10016, USA
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50
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Wandall HH, Nielsen MAI, King-Smith S, de Haan N, Bagdonaite I. Global functions of O-glycosylation: promises and challenges in O-glycobiology. FEBS J 2021; 288:7183-7212. [PMID: 34346177 DOI: 10.1111/febs.16148] [Citation(s) in RCA: 59] [Impact Index Per Article: 19.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2021] [Revised: 07/23/2021] [Accepted: 08/03/2021] [Indexed: 12/13/2022]
Abstract
Mucin type O-glycosylation is one of the most diverse types of glycosylation, playing essential roles in tissue development and homeostasis. In complex organisms, O-GalNAc glycans comprise a substantial proportion of the glycocalyx, with defined functions in hemostatic, gastrointestinal, and respiratory systems. Furthermore, O-GalNAc glycans are important players in host-microbe interactions, and changes in O-glycan composition are associated with certain diseases and metabolic conditions, which in some instances can be used for diagnosis or therapeutic intervention. Breakthroughs in O-glycobiology have gone hand in hand with the development of new technologies, such as advancements in mass spectrometry, as well as facilitation of genetic engineering in mammalian cell lines. High-throughput O-glycoproteomics have enabled us to draw a comprehensive map of O-glycosylation, and mining this information has supported the definition and confirmation of functions related to site-specific O-glycans. This includes protection from proteolytic cleavage, as well as modulation of binding affinity or receptor function. Yet, there is still much to discover, and among the important next challenges will be to define the context-dependent functions of O-glycans in different stages of cellular differentiation, cellular metabolism, host-microbiome interactions, and in disease. In this review, we present the achievements and the promises in O-GalNAc glycobiology driven by technological advances in analytical methods, genetic engineering, and systems biology.
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Affiliation(s)
- Hans H Wandall
- Department of Cellular and Molecular Medicine, Faculty of Health and Medical Sciences, Copenhagen Center for Glycomics, University of Copenhagen, Copenhagen, Denmark
| | - Mathias A I Nielsen
- Department of Cellular and Molecular Medicine, Faculty of Health and Medical Sciences, Copenhagen Center for Glycomics, University of Copenhagen, Copenhagen, Denmark
| | - Sarah King-Smith
- Department of Cellular and Molecular Medicine, Faculty of Health and Medical Sciences, Copenhagen Center for Glycomics, University of Copenhagen, Copenhagen, Denmark
| | - Noortje de Haan
- Department of Cellular and Molecular Medicine, Faculty of Health and Medical Sciences, Copenhagen Center for Glycomics, University of Copenhagen, Copenhagen, Denmark
| | - Ieva Bagdonaite
- Department of Cellular and Molecular Medicine, Faculty of Health and Medical Sciences, Copenhagen Center for Glycomics, University of Copenhagen, Copenhagen, Denmark
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