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Zhao S, Zhang T, Kan Y, Li H, Li JP. Overview of the current procedures in synthesis of heparin saccharides. Carbohydr Polym 2024; 339:122220. [PMID: 38823902 DOI: 10.1016/j.carbpol.2024.122220] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2024] [Revised: 04/27/2024] [Accepted: 04/29/2024] [Indexed: 06/03/2024]
Abstract
Natural heparin, a glycosaminoglycan consisting of repeating hexuronic acid and glucosamine linked by 1 → 4 glycosidic bonds, is the most widely used anticoagulant. To subvert the dependence on animal sourced heparin, alternative methods to produce heparin saccharides, i.e., either heterogenous sugar chains similar to natural heparin, or structurally defined oligosaccharides, are becoming hot subjects. Although the success by chemical synthesis of the pentasaccharide, fondaparinux, encourages to proceed through a chemical approach generating homogenous product, synthesizing larger oligos is still cumbersome and beyond reach so far. Alternatively, the chemoenzymatic pathway exhibited exquisite stereoselectivity of glycosylation and regioselectivity of modification, with the advantage to skip the tedious protection steps unavoidable in chemical synthesis. However, to a scale of drug production needed today is still not in sight. In comparison, a procedure of de novo biosynthesis in an organism could be an ultimate goal. The main purpose of this review is to summarize the current available/developing strategies and techniques, which is expected to provide a comprehensive picture for production of heparin saccharides to replenish or eventually to replace the animal derived products. In chemical and chemoenzymatic approaches, the methodologies are discussed according to the synthesis procedures: building block preparation, chain elongation, and backbone modification.
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Affiliation(s)
- Siran Zhao
- Division of Chemistry and Analytical Science, National Institute of Metrology, Beijing, China
| | - Tianji Zhang
- Division of Chemistry and Analytical Science, National Institute of Metrology, Beijing, China; Key Laboratory of Chemical Metrology and Applications on Nutrition and Health for State Market Regulation, Beijing, China.
| | - Ying Kan
- Division of Chemistry and Analytical Science, National Institute of Metrology, Beijing, China; Key Laboratory of Chemical Metrology and Applications on Nutrition and Health for State Market Regulation, Beijing, China
| | - Hongmei Li
- Division of Chemistry and Analytical Science, National Institute of Metrology, Beijing, China; Key Laboratory of Chemical Metrology and Applications on Nutrition and Health for State Market Regulation, Beijing, China
| | - Jin-Ping Li
- Beijing Advanced Innovation Centre for Soft Matter Science and Engineering, Beijing University of Chemical Technology, Beijing, China; Department of Medical Biochemistry and Microbiology, University of Uppsala, Uppsala, Sweden.
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Xu H, Fu N, Zheng J, Sohail M, Zhang X. Mn-doped bimetallic synergistic catalysis boosts for enzymatic phosphorylation of N-Acetylglucosamine/ N-Acetylgalactosamine and their derivatives. Bioorg Chem 2022; 128:106041. [PMID: 35907378 DOI: 10.1016/j.bioorg.2022.106041] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2022] [Revised: 07/04/2022] [Accepted: 07/16/2022] [Indexed: 11/02/2022]
Abstract
Metal-organic frameworks (MOFs), as advanced enzyme immobilization platforms for improving biocatalysis and protein biophysics, are rarely investigated as solid supports in the enzymatic synthesis of carbohydrate and derivatives, which can be attributed to the complex biochemical reaction mechanisms and the adverse interactions between the high polarity of substrate sugars, glycoenzymes and traditional MOFs. Here, we introduced divalent metal ion Mn2+ into MOF to prepare bimetallic MOF microreactor that encapsulated N-acetylhexosamine 1-Kinase (NahK), a critical anomeric kinase involved in the enzymatic synthesis of sugar nucleotide. The introduced Mn ions not only adjusted the microstructure of MOFs, but also participated in the enzymatic catalysis as cofactor, thus facilitated the N-acetylglucosamine/ N-acetylgalactosamine (GlcNAc/GalNAc) phosphorylation. The Mn-doped NahK@Zn-metal organic material (MOM), integrated with high catalytic activity, high stability, and high recoverability, solved the issues of immobilization related to glucokinase activity. These features significantly improved the operability and reduced the processing cost, assuring industrial application prospects for sugar nucleotides synthesis.
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Affiliation(s)
- Han Xu
- School of Food Science and Pharmaceutical Engineering, Nanjing Normal University, Wenyuan Road 1, Nanjing 210023, China
| | - Ninghua Fu
- Department of Chemistry, Tsinghua University, Beijing 100084, China
| | - Jie Zheng
- College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, Nanjing 211816, China
| | - Muhammad Sohail
- School of Food Science and Pharmaceutical Engineering, Nanjing Normal University, Wenyuan Road 1, Nanjing 210023, China
| | - Xing Zhang
- School of Food Science and Pharmaceutical Engineering, Nanjing Normal University, Wenyuan Road 1, Nanjing 210023, China.
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Zhang G, Yang K, Wang L, Cheng Y, Liu C. Facile chemoenzymatic synthesis of unmodified anticoagulant ultra-low molecular weight heparin. Org Biomol Chem 2022; 20:8323-8330. [DOI: 10.1039/d2ob01221a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
A chemoenzymatic approach, mimicking the biosynthetic pathway of heparin and heparan sulfate (HS), has been well developed to prepare a series of structurally well-defined heparin oligosaccharides with excellent anticoagulant activity in good overall yields.
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Affiliation(s)
- Guijiao Zhang
- Key Laboratory of Chemical Biology (Ministry of Education), Institute of Biochemical and Biotechnological Drugs, School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan 250012, Shandong, PR China
| | - Kaihua Yang
- Key Laboratory of Chemical Biology (Ministry of Education), Institute of Biochemical and Biotechnological Drugs, School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan 250012, Shandong, PR China
| | - Lin Wang
- Key Laboratory of Chemical Biology (Ministry of Education), Institute of Biochemical and Biotechnological Drugs, School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan 250012, Shandong, PR China
| | - Yanzhen Cheng
- Key Laboratory of Chemical Biology (Ministry of Education), Institute of Biochemical and Biotechnological Drugs, School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan 250012, Shandong, PR China
| | - Chunhui Liu
- Key Laboratory of Chemical Biology (Ministry of Education), Institute of Biochemical and Biotechnological Drugs, School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan 250012, Shandong, PR China
- National Glycoengineering Research Center, Shandong University, Jinan 250012, Shandong, PR China
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Qiao M, Jiao R, Zhang X, Wu Z, Shen B, Li B. 1H NMR analysis of perdeutero N-sulfoheparosan C5-epimerization: a direct way to measure the activity of immobilized C5-epimerase. J Carbohydr Chem 2021. [DOI: 10.1080/07328303.2021.1903026] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Affiliation(s)
- Meng Qiao
- School of Food Science and Pharmaceutical Engineering, Nanjing Normal University, Nanjing, China
| | - Ruoyu Jiao
- School of Food Science and Pharmaceutical Engineering, Nanjing Normal University, Nanjing, China
| | - Xing Zhang
- School of Food Science and Pharmaceutical Engineering, Nanjing Normal University, Nanjing, China
| | - Zhengzhang Wu
- Jiangsu Conat Biological Products Co., Ltd, Taixing, China
| | - Baoxing Shen
- School of Food Science and Pharmaceutical Engineering, Nanjing Normal University, Nanjing, China
| | - Bingzhi Li
- School of Food Science and Pharmaceutical Engineering, Nanjing Normal University, Nanjing, China
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Qiao M, Li B, Ji Y, Lin L, Linhardt R, Zhang X. Synthesis of selected unnatural sugar nucleotides for biotechnological applications. Crit Rev Biotechnol 2020; 41:47-62. [PMID: 33153306 DOI: 10.1080/07388551.2020.1844623] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
Sugar nucleotides are the principal building blocks for the synthesis of most complex carbohydrates and are crucial intermediates in carbohydrate metabolism. Uridine diphosphate (UDP) monosaccharides are among the most common sugar nucleotide donors and are transferred to glycosyl acceptors by glycosyltransferases or synthases in glycan biosynthetic pathways. These natural nucleotide donors have great biological importance, however, the synthesis and application of unnatural sugar nucleotides that are not available from in vivo biosynthesis are not well explored. In this review, we summarize the progress in the preparation of unnatural sugar nucleotides, in particular, the widely studied UDP-GlcNAc/GalNAc analogs. We focus on the "two-block" synthetic pathway that is initiated from monosaccharides, in which the first block is the synthesis of sugar-1-phosphate and the second block is the diphosphate bond formation. The biotechnological applications of these unnatural sugar nucleotides showing their physiological and pharmacological potential are discussed.
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Affiliation(s)
- Meng Qiao
- School of Food Science and Pharmaceutical Engineering, Nanjing Normal University, Nanjing, China
| | - Bingzhi Li
- School of Food Science and Pharmaceutical Engineering, Nanjing Normal University, Nanjing, China
| | - Yuan Ji
- School of Food Science and Pharmaceutical Engineering, Nanjing Normal University, Nanjing, China
| | - Lei Lin
- School of Environment, Nanjing Normal University, Nanjing, China
| | - Robert Linhardt
- Department of Chemistry and Chemical Biology, Center for Biotechnology and Interdisciplinary Studies, Rensselaer Polytechnic Institute, Troy, NY, USA.,Department of Chemical and Biological Engineering, Center for Biotechnology and Interdisciplinary Studies, Rensselaer Polytechnic Institute, Troy, NY, USA
| | - Xing Zhang
- School of Food Science and Pharmaceutical Engineering, Nanjing Normal University, Nanjing, China
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Baytas SN, Linhardt RJ. Advances in the preparation and synthesis of heparin and related products. Drug Discov Today 2020; 25:2095-2109. [PMID: 32947045 DOI: 10.1016/j.drudis.2020.09.011] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2020] [Revised: 08/04/2020] [Accepted: 09/10/2020] [Indexed: 01/01/2023]
Abstract
Heparin is a naturally occurring glycosaminoglycan from livestock, principally porcine intestine, and is clinically used as an anticoagulant drug. A limitation to heparin production is that it depends on a single animal species and potential problems have been associated with animal-derived heparin. The contamination crisis in 2008 led to a search for new animal sources and the investigation of non-animal sources of heparin. Over the past 5 years, new animal sources, chemical, and chemoenzymatic methods have been introduced to prepare heparin-based drugs. In this review, we describe advances in the preparation and synthesis of heparin and related products.
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Affiliation(s)
- Sultan N Baytas
- Department of Chemistry & Chemical Biology, Center for Biotechnology and Interdisciplinary Studies, Rensselaer Polytechnic Institute, Troy, NY, USA; Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Gazi University, Ankara, Turkey
| | - Robert J Linhardt
- Department of Chemistry & Chemical Biology, Center for Biotechnology and Interdisciplinary Studies, Rensselaer Polytechnic Institute, Troy, NY, USA; Department of Chemical and Biological Engineering, Center for Biotechnology and Interdisciplinary Studies, Rensselaer Polytechnic Institute, Troy, NY, USA; Department of Biological Sciences, Center for Biotechnology and Interdisciplinary Studies, Rensselaer Polytechnic Institute, Troy, NY, USA.
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Abstract
Glycosaminoglycans (GAGs) are a family of structurally complex heteropolysaccharides composed of alternating hexosamine and uronic acid or galatose residue that include hyaluronan, chondroitin sulfate and dermatan sulfate, heparin and heparan sulfate, and keratan sulfate. GAGs display a range of critical biological functions, including regulating cell-cell interactions and cell proliferation, inhibiting enzymes, and activating growth factor receptors during various metabolic processes. Indeed, heparin is a widely used GAG-based anticoagulant drug. Unfortunately, naturally derived GAGs are highly heterogeneous, limiting studies of their structure-activity relationships and even resulting in safety concerns. For example, the heparin contamination crisis in 2007 reportedly killed more than a hundred people in the United States. Unfortunately, the chemical synthesis of GAGs, or their oligosaccharides, based on repetitive steps of protection, activation, coupling, and deprotection, is incredibly challenging. Recent advances in chemoenzymatic synthesis integrate the flexibility of chemical derivatization with enzyme-catalyzed reactions, mimicking the biosynthetic pathway of GAGs, and represent a promising strategy to solve many of these synthetic challenges. In this critical Account, we examine the recent progress made, in our laboratory and by others, in the chemoenzymatic synthesis of GAGs, focusing on heparan sulfate and heparin, a class of GAGs with profound physiological and pharmacological importance. A major challenge for the penetration of the heparin market by homogeneous heparin products is their cost-effective large-scale synthesis. In the past decade, we and our collaborators have systematically explored the key factors that impact this process, including better enzyme expression, improved biocatalysts using protein engineering and immobilization, low cost production of enzyme cofactors, optimization of the order of enzymatic transformations, as well as development of efficient technologies, such as using ultraviolet absorbing or fluorous tags, to detect and purify synthetic intermediates. These improvements have successfully resulted in multigram-scale synthesis of low-molecular-weight heparins (LMWHs), with some showing excellent anticoagulant activity and even resulting in more effective protamine reversal than commercial, animal-sourced LMWH drugs. Sophisticated structural analysis is another challenge for marketing heparins, since impurities and contaminants can be present that are difficult to distinguish from heparin drug products. The availability of the diverse library of structurally defined heparin oligosaccharides has facilitated the systematic analytical studies undertaken by our group, resulting in important information for characterizing diverse heparin products, safeguarding their quality. Recently, a series of chemically modified nucleotide sugars have been investigated in our laboratory and have been accepted by synthases to obtain novel GAGs and GAG oligosaccharides. These include fluoride and azido regioselectively functionalized sugars and stable isotope-enriched GAGs and GAG oligosaccharides, critical for better understanding the biological roles of these important biopolymers. We speculate that the repertoire of unnatural acceptors and nucleotide sugar donors will soon be expanded to afford many new GAG analogues with new biological and pharmacological properties including improved specificity and metabolic stability.
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Affiliation(s)
- Xing Zhang
- School of Food Science and Pharmaceutical Engineering, Nanjing Normal University, Nanjing 210023, China
| | - Lei Lin
- School of Environment, Nanjing Normal University, Nanjing 210023, China
| | - He Huang
- School of Food Science and Pharmaceutical Engineering, Nanjing Normal University, Nanjing 210023, China
| | - Robert J. Linhardt
- Department of Chemistry and Chemical Biology, Center for Biotechnology and Interdisciplinary Studies, Rensselaer Polytechnic Institute, Troy, New York 12180, United States
- Department of Chemical and Biological Engineering, Center for Biotechnology and Interdisciplinary Studies, Rensselaer Polytechnic Institute, Troy, New York 12180, United States
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